/* roulang page: index */
:root {
            --primary: #FF5A3C;
            --primary-dark: #E63E2F;
            --primary-light: #FF8A6B;
            --secondary: #2D1B69;
            --secondary-mid: #5B3FA8;
            --accent: #FFB800;
            --bg-warm: #F7F3EE;
            --bg-card: #FFFFFF;
            --bg-dark: #1F1830;
            --text-main: #2D2A26;
            --text-body: #5A564F;
            --text-muted: #8A857D;
            --text-light: #F5F2EC;
            --border-soft: #E8E2D8;
            --border-warm: #F0D9CD;
            --gradient-brand: linear-gradient(135deg, #FF5A3C 0%, #C73E8A 50%, #2D1B69 100%);
            --gradient-cta: linear-gradient(135deg, #FF6B45 0%, #C73E8A 55%, #5B3FA8 100%);
            --gradient-card-warm: linear-gradient(145deg, #FFF9F5 0%, #FFF0E8 100%);
            --shadow-sm: 0 2px 8px rgba(45, 26, 40, 0.06);
            --shadow-md: 0 4px 16px rgba(45, 26, 40, 0.08);
            --shadow-lg: 0 8px 28px rgba(45, 26, 40, 0.14);
            --shadow-xl: 0 16px 48px rgba(45, 26, 40, 0.18);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --radius-xl: 28px;
            --radius-pill: 999px;
            --font-base: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-base);
            background-color: var(--bg-warm);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-bottom: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--primary);
        }

        img {
            display: block;
            max-width: 100%;
            height: auto;
            object-fit: cover;
        }

        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
            html {
                font-size: 15px;
            }
        }

        @media (max-width: 520px) {
            html {
                font-size: 14px;
            }
            .container-custom {
                padding: 0 12px;
            }
        }

        /* ========== HEADER ========== */
        .site-header {
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 10px 0;
            flex-wrap: nowrap;
        }
        .brand-logo {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }
        .brand-logo:hover {
            opacity: 0.82;
            color: transparent;
        }
        .nav-search-wrap {
            flex: 1;
            min-width: 0;
            display: flex;
            justify-content: center;
            position: relative;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-warm);
            border: 2px solid var(--border-soft);
            border-radius: var(--radius-pill);
            padding: 8px 16px;
            gap: 10px;
            width: 100%;
            max-width: 380px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 90, 60, 0.15);
            background: #fff;
        }
        .nav-search i {
            color: var(--text-muted);
            font-size: 0.95rem;
            flex-shrink: 0;
        }
        .nav-search input {
            flex: 1;
            min-width: 0;
            background: transparent;
            border: none;
            font-size: 0.92rem;
            color: var(--text-main);
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-category-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 4px 0;
        }
        .nav-category-links::-webkit-scrollbar {
            display: none;
        }
        .nav-category-links a {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-body);
            padding: 6px 12px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            transition: all var(--transition-fast);
            background: transparent;
            border: 1px solid transparent;
            letter-spacing: 0.3px;
        }
        .nav-category-links a:hover {
            color: var(--primary);
            background: rgba(255, 90, 60, 0.08);
            border-color: rgba(255, 90, 60, 0.18);
        }
        .nav-category-links a.active {
            color: #fff;
            background: var(--gradient-cta);
            border-color: transparent;
            box-shadow: var(--shadow-sm);
        }
        .btn-nav-cta {
            background: var(--gradient-cta);
            color: #fff;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            font-weight: 700;
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: none;
            box-shadow: var(--shadow-sm);
        }
        .btn-nav-cta:hover {
            background: var(--gradient-brand);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .navbar-toggler-custom {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            border: 1px solid var(--border-soft);
            background: #fff;
            color: var(--text-main);
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .navbar-toggler-custom:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .mobile-nav-collapse {
            display: none;
            border-top: 1px solid var(--border-soft);
            padding: 12px 0;
            background: rgba(255, 255, 255, 0.98);
        }
        .mobile-nav-collapse.show {
            display: block;
        }
        .mobile-nav-collapse .nav-search {
            margin-bottom: 10px;
            max-width: 100%;
        }
        .mobile-nav-collapse .nav-category-links {
            flex-wrap: wrap;
            overflow-x: visible;
        }

        @media (max-width: 991px) {
            .header-inner {
                gap: 10px;
                flex-wrap: nowrap;
            }
            .nav-search-wrap {
                display: none;
            }
            .nav-category-links {
                display: none;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .brand-logo {
                font-size: 1.2rem;
            }
            .btn-nav-cta {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                padding: 8px 0;
            }
            .brand-logo {
                font-size: 1.1rem;
            }
            .btn-nav-cta {
                display: none;
            }
        }

        /* ========== HERO ========== */
        .hero-banner {
            position: relative;
            padding: 48px 0 60px;
            background-image: var(--gradient-brand);
            overflow: hidden;
            border-radius: 0 0 var(--radius-xl) var(--radius-xl);
            margin-bottom: 0;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.22;
            z-index: 1;
        }
        .hero-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(45, 27, 105, 0.75) 0%, rgba(199, 62, 138, 0.55) 45%, rgba(255, 90, 60, 0.4) 100%);
            z-index: 2;
            mix-blend-mode: multiply;
        }
        .hero-inner {
            position: relative;
            z-index: 3;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 32px;
            align-items: center;
            min-height: 460px;
        }
        .hero-text {
            color: #fff;
        }
        .hero-badge-group {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.18);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.78rem;
            font-weight: 600;
            backdrop-filter: blur(6px);
        }
        .hero-badge i {
            font-size: 0.7rem;
        }
        .hero-banner h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 18px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.18);
            max-width: 600px;
        }
        .hero-banner h1 .highlight {
            display: inline-block;
            position: relative;
            background: linear-gradient(180deg, transparent 62%, rgba(255, 184, 0, 0.55) 62%);
            padding: 0 4px;
            border-radius: 3px;
        }
        .hero-subtitle {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 540px;
            line-height: 1.8;
            margin-bottom: 24px;
            font-weight: 400;
        }
        .hero-cta-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .btn-hero-primary {
            background: #fff;
            color: var(--primary-dark);
            padding: 13px 26px;
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            border: none;
        }
        .btn-hero-primary:hover {
            background: var(--accent);
            color: var(--text-main);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
        }
        .btn-hero-secondary {
            background: rgba(255, 255, 255, 0.14);
            color: #fff;
            padding: 13px 26px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.9rem;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-fast);
            backdrop-filter: blur(6px);
        }
        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.25);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }
        .hero-data-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .hero-data-point {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.88);
            font-size: 0.85rem;
            font-weight: 500;
        }
        .hero-data-point .num {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
        }
        .hero-data-point i {
            color: var(--accent);
            font-size: 0.8rem;
        }

        .hero-card-panel {
            background: rgba(255, 255, 255, 0.97);
            border-radius: var(--radius-xl);
            padding: 28px;
            box-shadow: var(--shadow-xl);
            backdrop-filter: blur(8px);
        }
        .hero-card-panel .panel-cover {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 16px;
        }
        .panel-cover-img {
            width: 84px;
            height: 108px;
            border-radius: var(--radius-md);
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.5rem;
            font-weight: 800;
            flex-shrink: 0;
            box-shadow: var(--shadow-md);
            letter-spacing: -1px;
        }
        .panel-cover-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }
        .panel-cover-subtitle {
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .panel-toc {
            border-top: 1px dashed var(--border-soft);
            padding-top: 14px;
            margin-bottom: 16px;
        }
        .panel-toc h4 {
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--text-body);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }
        .panel-toc ul {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .panel-toc li {
            font-size: 0.78rem;
            background: var(--bg-warm);
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            color: var(--text-body);
            border: 1px solid var(--border-soft);
        }
        .panel-download-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .panel-download-form input {
            flex: 1;
            min-width: 160px;
            padding: 11px 16px;
            border-radius: var(--radius-pill);
            border: 1.5px solid var(--border-soft);
            font-size: 0.88rem;
            transition: all var(--transition-fast);
            background: var(--bg-warm);
            color: var(--text-main);
        }
        .panel-download-form input:focus {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(255, 90, 60, 0.12);
        }
        .btn-download {
            background: var(--gradient-cta);
            color: #fff;
            padding: 11px 20px;
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 0.85rem;
            white-space: nowrap;
            border: none;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .btn-download:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .panel-form-note {
            font-size: 0.72rem;
            color: var(--text-muted);
            margin-top: 8px;
            text-align: center;
        }

        @media (max-width: 991px) {
            .hero-banner {
                padding: 36px 0 44px;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 28px;
                min-height: auto;
            }
            .hero-banner h1 {
                font-size: 2rem;
                max-width: 100%;
            }
            .hero-subtitle {
                max-width: 100%;
            }
            .hero-card-panel {
                max-width: 480px;
            }
        }
        @media (max-width: 520px) {
            .hero-banner h1 {
                font-size: 1.6rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-cta-row {
                flex-direction: column;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                text-align: center;
            }
            .panel-download-form {
                flex-direction: column;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section-block {
            padding: 56px 0;
        }
        @media (min-width: 992px) {
            .section-block {
                padding: 68px 0;
            }
        }
        @media (max-width: 520px) {
            .section-block {
                padding: 40px 0;
            }
        }
        .section-head {
            margin-bottom: 32px;
        }
        .section-head .tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--primary);
            background: rgba(255, 90, 60, 0.1);
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .section-head h2 {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.3px;
            margin-bottom: 10px;
            line-height: 1.3;
        }
        .section-head p {
            font-size: 0.92rem;
            color: var(--text-body);
            max-width: 680px;
            line-height: 1.7;
        }

        /* ========== FEATURE CARDS (卖点三连) ========== */
        .feature-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-soft);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            min-height: 260px;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: var(--border-warm);
        }
        .feature-card:nth-child(2) {
            background: var(--gradient-card-warm);
            border-color: rgba(255, 90, 60, 0.2);
            box-shadow: 0 6px 20px rgba(255, 90, 60, 0.08);
            transform: scale(1.02);
        }
        .feature-card:nth-child(2):hover {
            box-shadow: 0 12px 32px rgba(255, 90, 60, 0.16);
            transform: scale(1.02) translateY(-4px);
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.3rem;
            margin-bottom: 16px;
            flex-shrink: 0;
            box-shadow: var(--shadow-sm);
        }
        .feature-card:nth-child(2) .feature-icon {
            background: var(--gradient-cta);
            box-shadow: 0 4px 16px rgba(255, 90, 60, 0.25);
        }
        .feature-card:nth-child(3) .feature-icon {
            background: linear-gradient(135deg, #5B3FA8 0%, #2D1B69 100%);
        }
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            letter-spacing: -0.2px;
        }
        .feature-card p {
            font-size: 0.86rem;
            color: var(--text-body);
            line-height: 1.65;
            margin-bottom: 16px;
            flex: 1;
        }
        .feature-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--primary);
            background: rgba(255, 90, 60, 0.08);
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 90, 60, 0.18);
            align-self: flex-start;
        }
        .feature-badge .num {
            font-size: 1rem;
            font-weight: 800;
            color: var(--primary-dark);
        }
        @media (max-width: 991px) {
            .feature-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-card:nth-child(2) {
                transform: scale(1);
            }
        }
        @media (max-width: 768px) {
            .feature-cards-grid {
                grid-template-columns: 1fr;
            }
            .feature-card {
                min-height: auto;
            }
        }

        /* ========== SCENE DEMO (场景演示) ========== */
        .scene-demo {
            background: rgba(255, 255, 255, 0.6);
            border-radius: var(--radius-xl);
            padding: 36px 28px;
            border: 1px solid var(--border-soft);
        }
        .scene-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            margin-bottom: 28px;
            padding-bottom: 28px;
            border-bottom: 1px dashed var(--border-soft);
        }
        .scene-row:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        .scene-row.reverse {
            direction: rtl;
        }
        .scene-row.reverse>* {
            direction: ltr;
        }
        .scene-img-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
            aspect-ratio: 16/10;
            background: var(--bg-warm);
        }
        .scene-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .scene-img-wrap:hover img {
            transform: scale(1.04);
        }
        .scene-img-wrap .scene-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(45, 27, 105, 0.65) 100%);
            display: flex;
            align-items: flex-end;
            padding: 16px;
        }
        .scene-overlay .mini-tag {
            background: rgba(255, 255, 255, 0.9);
            color: var(--text-main);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            font-weight: 700;
        }
        .scene-text h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .scene-text p {
            font-size: 0.9rem;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .scene-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.88rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
        }
        .scene-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }
        @media (max-width: 768px) {
            .scene-demo {
                padding: 20px 16px;
            }
            .scene-row {
                grid-template-columns: 1fr;
                gap: 18px;
            }
        }

        /* ========== POSTER TRACK (片库轨道) ========== */
        .poster-track-section {
            background: var(--bg-dark);
            border-radius: var(--radius-xl);
            padding: 40px 28px;
            overflow: hidden;
            position: relative;
        }
        .poster-track-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(255, 90, 60, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .poster-track-head {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            margin-bottom: 24px;
            flex-wrap: wrap;
            gap: 10px;
            position: relative;
            z-index: 2;
        }
        .poster-track-head h2 {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
        }
        .poster-track-head .track-link {
            color: var(--accent);
            font-size: 0.85rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .poster-track-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding-bottom: 12px;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.25) transparent;
            position: relative;
            z-index: 2;
        }
        .poster-track-scroll::-webkit-scrollbar {
            height: 5px;
        }
        .poster-track-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .poster-track-scroll::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.25);
            border-radius: 10px;
        }
        .poster-item {
            flex: 0 0 200px;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: all var(--transition-base);
            position: relative;
            cursor: pointer;
        }
        .poster-item:hover {
            transform: translateY(-4px);
            border-color: rgba(255, 90, 60, 0.5);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
        }
        .poster-item .poster-cover {
            aspect-ratio: 4/5;
            overflow: hidden;
            background: var(--bg-warm);
        }
        .poster-item .poster-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .poster-item:hover .poster-cover img {
            transform: scale(1.06);
        }
        .poster-item .poster-info {
            padding: 12px 14px;
        }
        .poster-item .poster-info h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .poster-item .poster-info .poster-meta {
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.55);
            display: flex;
            gap: 8px;
        }
        .poster-item .poster-hover-cta {
            position: absolute;
            inset: 0;
            background: rgba(45, 27, 105, 0.7);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity var(--transition-base);
            border-radius: var(--radius-md);
        }
        .poster-item:hover .poster-hover-cta {
            opacity: 1;
        }
        .poster-hover-cta .btn-track {
            background: #fff;
            color: var(--primary-dark);
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 0.8rem;
            border: none;
        }
        @media (max-width: 768px) {
            .poster-track-section {
                padding: 28px 16px;
            }
            .poster-item {
                flex: 0 0 160px;
            }
        }
        @media (max-width: 520px) {
            .poster-item {
                flex: 0 0 140px;
            }
        }

        /* ========== NEWS SECTION (资讯动态) ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 0.45fr;
            gap: 28px;
        }
        .news-list-main .news-card {
            display: flex;
            gap: 16px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            margin-bottom: 14px;
            border: 1px solid var(--border-soft);
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-warm);
            transform: translateX(4px);
        }
        .news-card .news-index {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary);
            flex-shrink: 0;
            min-width: 36px;
            text-align: center;
            line-height: 1.2;
        }
        .news-card .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-card .news-content h3 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-card .news-content p {
            font-size: 0.82rem;
            color: var(--text-body);
            line-height: 1.6;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .news-meta {
            display: flex;
            gap: 12px;
            font-size: 0.72rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .news-card .news-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-card .news-meta i {
            font-size: 0.65rem;
            color: var(--primary-light);
        }
        .news-sidebar {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            align-self: start;
            position: sticky;
            top: 80px;
            max-height: calc(100vh - 100px);
            overflow-y: auto;
        }
        .news-sidebar h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-warm);
        }
        .news-sidebar .side-item {
            padding: 10px 0;
            border-bottom: 1px dashed var(--border-soft);
            display: flex;
            gap: 10px;
            font-size: 0.8rem;
            color: var(--text-body);
            align-items: flex-start;
        }
        .news-sidebar .side-item:last-child {
            border-bottom: none;
        }
        .side-item .side-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
            margin-top: 7px;
            flex-shrink: 0;
        }
        .side-item .side-text {
            flex: 1;
            line-height: 1.5;
        }
        .side-item .side-num {
            font-weight: 700;
            color: var(--primary-dark);
            font-size: 0.75rem;
            flex-shrink: 0;
        }
        @media (max-width: 991px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                position: static;
                max-height: none;
                overflow-y: visible;
            }
        }

        /* ========== TIMELINE (议程时间线) ========== */
        .timeline-block {
            background: rgba(255, 255, 255, 0.55);
            border-radius: var(--radius-xl);
            padding: 36px 28px;
            border: 1px solid var(--border-soft);
        }
        .timeline-track {
            position: relative;
            padding-left: 28px;
        }
        .timeline-track::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 8px;
            bottom: 8px;
            width: 3px;
            background: linear-gradient(180deg, var(--primary) 0%, var(--secondary-mid) 100%);
            border-radius: 10px;
        }
        .timeline-item {
            position: relative;
            padding: 0 0 24px 20px;
            margin-bottom: 6px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -24px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #fff;
            border: 3px solid var(--primary);
            box-shadow: 0 0 0 4px rgba(255, 90, 60, 0.15);
        }
        .timeline-item:last-child {
            padding-bottom: 0;
            margin-bottom: 0;
        }
        .timeline-item .tl-time {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .timeline-item h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .timeline-item p {
            font-size: 0.85rem;
            color: var(--text-body);
            line-height: 1.6;
            margin-bottom: 8px;
        }
        .timeline-item .tl-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--secondary-mid);
            background: rgba(91, 63, 168, 0.08);
            padding: 3px 10px;
            border-radius: var(--radius-pill);
        }
        @media (max-width: 520px) {
            .timeline-block {
                padding: 22px 16px;
            }
            .timeline-track {
                padding-left: 18px;
            }
            .timeline-item {
                padding-left: 14px;
            }
        }

        /* ========== TESTIMONIALS (用户评价) ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--border-warm);
        }
        .testimonial-card .t-quote-mark {
            font-size: 2rem;
            color: rgba(255, 90, 60, 0.2);
            font-weight: 800;
            line-height: 1;
            margin-bottom: 8px;
            font-family: Georgia, serif;
        }
        .testimonial-card p {
            font-size: 0.85rem;
            color: var(--text-body);
            line-height: 1.65;
            margin-bottom: 14px;
            min-height: 70px;
        }
        .testimonial-card .t-user {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .t-user .t-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--gradient-brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .t-user .t-info {
            font-size: 0.78rem;
            color: var(--text-body);
        }
        .t-user .t-info strong {
            display: block;
            font-size: 0.82rem;
            color: var(--text-main);
            font-weight: 700;
        }
        .t-rating {
            margin-left: auto;
            display: flex;
            gap: 2px;
            color: var(--accent);
            font-size: 0.75rem;
        }
        @media (max-width: 991px) {
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== PARTNER TAGS (合作伙伴标签) ========== */
        .partner-tags-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .partner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.65);
            border: 1px solid var(--border-soft);
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-body);
            transition: all var(--transition-fast);
            cursor: default;
        }
        .partner-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(255, 90, 60, 0.05);
            transform: translateY(-2px);
        }
        .partner-tag i {
            color: var(--primary);
            font-size: 0.75rem;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-block {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            padding: 36px 28px;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            display: grid;
            grid-template-columns: 0.35fr 1fr;
            gap: 28px;
            align-items: start;
        }
        .brand-intro-side {
            background: var(--gradient-brand);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            color: #fff;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: 160px;
        }
        .brand-intro-side .bi-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -1px;
            margin-bottom: 8px;
            color: #fff;
        }
        .brand-intro-side .bi-sub {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.75);
        }
        .brand-intro-text h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .brand-intro-text p {
            font-size: 0.88rem;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 10px;
        }
        @media (max-width: 768px) {
            .brand-intro-block {
                grid-template-columns: 1fr;
                padding: 22px 18px;
            }
            .brand-intro-side {
                min-height: 100px;
            }
        }

        /* ========== FAQ ========== */
        .faq-list .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }
        .faq-list .accordion-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-warm);
        }
        .faq-list .accordion-button {
            font-weight: 700;
            font-size: 0.92rem;
            color: var(--text-main);
            padding: 16px 20px;
            background: var(--bg-card);
            box-shadow: none;
            border-radius: var(--radius-md) !important;
        }
        .faq-list .accordion-button:not(.collapsed) {
            background: rgba(255, 90, 60, 0.05);
            color: var(--primary-dark);
            box-shadow: none;
        }
        .faq-list .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(255, 90, 60, 0.12);
            border-color: var(--primary);
        }
        .faq-list .accordion-body {
            font-size: 0.86rem;
            color: var(--text-body);
            line-height: 1.7;
            padding: 4px 20px 18px;
            background: rgba(247, 243, 238, 0.4);
        }

        /* ========== JOIN CTA ========== */
        .join-cta-section {
            background: var(--gradient-cta);
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .join-cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            left: -60px;
            width: 220px;
            height: 220px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }
        .join-cta-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: -40px;
            width: 260px;
            height: 260px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            pointer-events: none;
        }
        .join-cta-section h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            position: relative;
            z-index: 2;
        }
        .join-cta-section p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 22px;
            line-height: 1.7;
            position: relative;
            z-index: 2;
        }
        .join-cta-row {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }
        .btn-join-primary {
            background: #fff;
            color: var(--primary-dark);
            padding: 13px 30px;
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 0.95rem;
            border: none;
            transition: all var(--transition-fast);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
        }
        .btn-join-primary:hover {
            background: var(--accent);
            color: var(--text-main);
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
        }
        .btn-join-secondary {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            padding: 13px 30px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.9rem;
            border: 1.5px solid rgba(255, 255, 255, 0.45);
            transition: all var(--transition-fast);
        }
        .btn-join-secondary:hover {
            background: rgba(255, 255, 255, 0.25);
            color: #fff;
            transform: translateY(-3px);
        }
        @media (max-width: 520px) {
            .join-cta-section {
                padding: 32px 18px;
            }
            .join-cta-row {
                flex-direction: column;
            }
        }

        /* ========== FIXED BOTTOM CTA ========== */
        .fixed-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--bg-dark);
            color: #fff;
            padding: 12px 24px;
            z-index: 1040;
            box-shadow: 0 -6px 24px rgba(0, 0, 0, 0.2);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            border-top: 2px solid rgba(255, 90, 60, 0.3);
            transform: translateY(100%);
            transition: transform var(--transition-slow);
        }
        .fixed-cta-bar.show {
            transform: translateY(0);
        }
        .fixed-cta-bar .fc-text {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
        }
        .fixed-cta-bar .fc-text strong {
            color: var(--accent);
            font-weight: 700;
        }
        .fixed-cta-bar .btn-fc {
            background: var(--gradient-cta);
            color: #fff;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 0.85rem;
            white-space: nowrap;
            border: none;
            transition: all var(--transition-fast);
        }
        .fixed-cta-bar .btn-fc:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(255, 90, 60, 0.3);
        }
        @media (min-width: 992px) {
            .fixed-cta-bar {
                bottom: 20px;
                left: auto;
                right: 20px;
                border-radius: var(--radius-lg);
                padding: 14px 22px;
                max-width: 460px;
                border-top: none;
                box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3);
            }
        }
        @media (max-width: 520px) {
            .fixed-cta-bar {
                padding: 10px 12px;
                gap: 8px;
            }
            .fixed-cta-bar .fc-text {
                font-size: 0.78rem;
            }
            .fixed-cta-bar .btn-fc {
                padding: 8px 14px;
                font-size: 0.78rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 32px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 0.8fr 0.8fr;
            gap: 28px;
            text-align: left;
        }
        .footer-brand h3 {
            font-size: 1.4rem;
            font-weight: 800;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 10px;
            letter-spacing: -0.5px;
        }
        .footer-brand p {
            font-size: 0.82rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            margin-top: 28px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom .fb-links {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .footer-bottom .fb-links a {
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.75rem;
        }
        .footer-bottom .fb-links a:hover {
            color: var(--primary);
        }
        @media (max-width: 991px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
        }

        /* ========== MISC UTILITIES ========== */
        .text-gradient-brand {
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .divider-warm {
            width: 60px;
            height: 3px;
            background: var(--gradient-cta);
            border-radius: 10px;
            margin: 8px 0 0;
        }

/* roulang page: category2 */
:root {
            --primary: #FF5A3C;
            --primary-dark: #E63E2F;
            --primary-light: #FF8A6B;
            --secondary: #2D1B69;
            --secondary-mid: #5B3FA8;
            --accent: #FFB800;
            --bg-warm: #F7F3EE;
            --bg-card: #FFFFFF;
            --bg-dark: #1F1830;
            --text-main: #2D2A26;
            --text-body: #5A564F;
            --text-muted: #8A857D;
            --text-light: #F5F2EC;
            --border-soft: #E8E2D8;
            --border-warm: #F0D9CD;
            --gradient-brand: linear-gradient(135deg, #FF5A3C 0%, #C73E8A 50%, #2D1B69 100%);
            --gradient-cta: linear-gradient(135deg, #FF6B45 0%, #C73E8A 55%, #5B3FA8 100%);
            --gradient-card-warm: linear-gradient(145deg, #FFF9F5 0%, #FFF0E8 100%);
            --shadow-sm: 0 2px 8px rgba(45, 26, 40, 0.06);
            --shadow-md: 0 4px 16px rgba(45, 26, 40, 0.08);
            --shadow-lg: 0 8px 28px rgba(45, 26, 40, 0.14);
            --shadow-xl: 0 16px 48px rgba(45, 26, 40, 0.18);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --radius-xl: 28px;
            --radius-pill: 999px;
            --font-base: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-base);
            background-color: var(--bg-warm);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--primary);
        }

        img {
            display: block;
            max-width: 100%;
            height: auto;
            object-fit: cover;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        .site-header {
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 10px 0;
            flex-wrap: nowrap;
        }

        .brand-logo {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }

        .brand-logo:hover {
            opacity: 0.82;
            color: transparent;
        }

        .nav-search-wrap {
            flex: 1;
            min-width: 0;
            display: flex;
            justify-content: center;
            position: relative;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-warm);
            border: 2px solid var(--border-soft);
            border-radius: var(--radius-pill);
            padding: 8px 16px;
            gap: 10px;
            width: 100%;
            max-width: 380px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
        }

        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 90, 60, 0.15);
            background: #fff;
        }

        .nav-search i {
            color: var(--text-muted);
            font-size: 0.95rem;
            flex-shrink: 0;
        }

        .nav-search input {
            flex: 1;
            min-width: 0;
            background: transparent;
            font-size: 0.92rem;
            color: var(--text-main);
            height: 28px;
        }

        .nav-search input::placeholder {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-category-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }

        .nav-category-links a {
            font-size: 0.88rem;
            color: var(--text-body);
            padding: 6px 10px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            transition: background var(--transition-fast), color var(--transition-fast);
            font-weight: 500;
        }

        .nav-category-links a:hover {
            color: var(--primary);
            background: rgba(255, 90, 60, 0.08);
        }

        .nav-category-links a.active {
            color: var(--primary);
            background: rgba(255, 90, 60, 0.12);
            font-weight: 600;
        }

        .btn-nav-cta {
            background: var(--gradient-cta);
            color: #fff;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 0.88rem;
            font-weight: 600;
            white-space: nowrap;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
        }

        .btn-nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
            opacity: 0.92;
            color: #fff;
        }

        .btn-nav-cta:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .navbar-toggler-custom {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: var(--bg-warm);
            border: 1px solid var(--border-soft);
            align-items: center;
            justify-content: center;
            color: var(--text-main);
            font-size: 1.1rem;
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }

        .navbar-toggler-custom:hover {
            background: rgba(255, 90, 60, 0.08);
            color: var(--primary);
        }

        .mobile-nav-collapse {
            display: none;
            background: #fff;
            border-bottom: 1px solid var(--border-soft);
            box-shadow: var(--shadow-md);
            padding: 16px 0;
        }

        .mobile-nav-collapse.show {
            display: block;
        }

        .mobile-nav-collapse .nav-search {
            max-width: 100%;
            margin-bottom: 12px;
        }

        .mobile-nav-collapse .nav-category-links {
            flex-direction: column;
            align-items: flex-start;
            gap: 2px;
        }

        .mobile-nav-collapse .nav-category-links a {
            display: block;
            width: 100%;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
        }

        /* Category Banner */
        .category-banner {
            background-image: linear-gradient(135deg, rgba(45, 27, 105, 0.88) 0%, rgba(199, 62, 138, 0.78) 55%, rgba(255, 90, 60, 0.72) 100%), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding: 64px 0 56px;
            color: var(--text-light);
            position: relative;
            overflow: hidden;
        }

        .category-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--bg-warm) 0%, transparent 100%);
            pointer-events: none;
        }

        .banner-content {
            position: relative;
            z-index: 1;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition-fast);
        }

        .breadcrumb-custom a:hover {
            color: #fff;
        }

        .breadcrumb-custom span {
            color: rgba(255, 255, 255, 0.5);
        }

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.18);
            border: 1px solid rgba(255, 255, 255, 0.3);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.3px;
            margin-bottom: 16px;
            color: #fff;
        }

        .banner-title {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            color: #fff;
            line-height: 1.25;
        }

        .banner-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 620px;
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* Stats badges */
        .stats-badge-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 28px;
            position: relative;
            z-index: 1;
        }

        .stat-badge {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            color: #fff;
            font-size: 0.88rem;
            font-weight: 500;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            transition: background var(--transition-fast);
        }

        .stat-badge:hover {
            background: rgba(255, 255, 255, 0.25);
        }

        .stat-badge strong {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--accent);
        }

        /* Archive Section */
        .archive-section {
            padding: 60px 0;
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

        .section-title {
            font-size: 1.65rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.3px;
            margin-bottom: 6px;
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 0;
            max-width: 440px;
        }

        .filter-chips {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-chip {
            padding: 7px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.82rem;
            font-weight: 500;
            background: #fff;
            border: 1.5px solid var(--border-soft);
            color: var(--text-body);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(255, 90, 60, 0.05);
        }

        .filter-chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            font-weight: 600;
        }

        .archive-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .archive-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1.5px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .archive-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(255, 90, 60, 0.3);
        }

        .archive-card-img {
            position: relative;
            aspect-ratio: 4/3;
            overflow: hidden;
            background: var(--bg-warm);
        }

        .archive-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .archive-card:hover .archive-card-img img {
            transform: scale(1.04);
        }

        .archive-card-img .overlay-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(31, 24, 48, 0.8);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.3px;
            backdrop-filter: blur(4px);
        }

        .archive-card-img .score-badge {
            position: absolute;
            bottom: 12px;
            right: 12px;
            background: rgba(255, 255, 255, 0.9);
            color: var(--primary);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            display: flex;
            align-items: center;
            gap: 5px;
            box-shadow: var(--shadow-sm);
        }

        .archive-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .archive-card-name {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
            letter-spacing: -0.2px;
        }

        .archive-card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }

        .archive-card-tags span {
            font-size: 0.72rem;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            background: rgba(255, 90, 60, 0.08);
            color: var(--primary);
            font-weight: 500;
        }

        .archive-card-tags span.mood-tag {
            background: rgba(91, 63, 168, 0.08);
            color: var(--secondary-mid);
        }

        .archive-card-desc {
            font-size: 0.88rem;
            color: var(--text-body);
            line-height: 1.65;
            margin-bottom: 14px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .archive-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            padding-top: 14px;
            border-top: 1px solid var(--border-soft);
        }

        .archive-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .archive-card-meta i {
            color: var(--primary-light);
        }

        .btn-view-card {
            background: var(--gradient-cta);
            color: #fff;
            padding: 7px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.82rem;
            font-weight: 600;
            white-space: nowrap;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }

        .btn-view-card:hover {
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
            opacity: 0.9;
            color: #fff;
        }

        /* Featured Archive */
        .featured-section {
            padding: 60px 0;
            background: #fff;
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }

        .featured-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
            margin-top: 32px;
        }

        .featured-card {
            background: var(--gradient-card-warm);
            border-radius: var(--radius-xl);
            padding: 28px;
            border: 1px solid var(--border-warm);
            box-shadow: var(--shadow-md);
            transition: transform var(--transition-base), box-shadow var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .featured-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .featured-card-top {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            margin-bottom: 18px;
        }

        .featured-avatar {
            width: 72px;
            height: 72px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            flex-shrink: 0;
            border: 3px solid #fff;
            box-shadow: var(--shadow-sm);
        }

        .featured-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .featured-info h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text-main);
        }

        .featured-info .featured-label {
            font-size: 0.82rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 8px;
            display: block;
        }

        .featured-info .featured-stars {
            color: var(--accent);
            font-size: 0.85rem;
            letter-spacing: 1px;
        }

        .featured-desc {
            font-size: 0.92rem;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 18px;
            flex: 1;
        }

        .featured-metrics {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }

        .featured-metric {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .featured-metric strong {
            color: var(--primary);
            font-weight: 700;
            font-size: 1rem;
        }

        .btn-featured-cta {
            align-self: flex-start;
            background: var(--gradient-brand);
            color: #fff;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            font-size: 0.9rem;
            font-weight: 600;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }

        .btn-featured-cta:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            opacity: 0.92;
            color: #fff;
        }

        /* Dimension Section */
        .dimension-section {
            padding: 60px 0;
            background: var(--bg-warm);
        }

        .dimension-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 32px;
        }

        .dimension-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            text-align: center;
        }

        .dimension-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: rgba(255, 90, 60, 0.3);
        }

        .dimension-item .dim-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(255, 90, 60, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            color: var(--primary);
            font-size: 1.2rem;
        }

        .dimension-item h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .dimension-item p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* FAQ Section */
        .faq-section {
            padding: 60px 0;
            background: #fff;
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }

        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
            margin-top: 32px;
        }

        .accordion-custom .accordion-item {
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-card);
            box-shadow: var(--shadow-sm);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .accordion-custom .accordion-item:hover {
            border-color: rgba(255, 90, 60, 0.25);
            box-shadow: var(--shadow-md);
        }

        .accordion-custom .accordion-button {
            background: #fff;
            color: var(--text-main);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 18px 20px;
            border-radius: var(--radius-md) !important;
            box-shadow: none !important;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: rgba(255, 90, 60, 0.05);
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(255, 90, 60, 0.15) !important;
        }

        .accordion-custom .accordion-button::after {
            background-image: none;
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: transform var(--transition-fast);
        }

        .accordion-custom .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .accordion-custom .accordion-body {
            font-size: 0.9rem;
            color: var(--text-body);
            line-height: 1.75;
            padding: 4px 20px 18px 20px;
            background: #fff;
        }

        /* CTA Section */
        .cta-section {
            padding: 60px 0;
            background: var(--bg-warm);
        }

        .cta-card {
            background: var(--gradient-brand);
            border-radius: var(--radius-xl);
            padding: 44px 40px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-xl);
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            pointer-events: none;
        }

        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .cta-card h3 {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: -0.3px;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .cta-card p {
            font-size: 0.98rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 1;
            line-height: 1.7;
        }

        .btn-cta-large {
            background: #fff;
            color: var(--primary);
            padding: 12px 32px;
            border-radius: var(--radius-pill);
            font-size: 1rem;
            font-weight: 700;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
            position: relative;
            z-index: 1;
            display: inline-block;
        }

        .btn-cta-large:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
            color: var(--primary);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 50px 0 24px;
            border-top: 4px solid var(--primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand h3 {
            font-size: 1.4rem;
            font-weight: 800;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.65;
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 0.86rem;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--primary-light);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px 16px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .fb-links {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
        }

        .fb-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.8rem;
            transition: color var(--transition-fast);
        }

        .fb-links a:hover {
            color: var(--primary-light);
        }

        .fb-links span {
            color: rgba(255, 255, 255, 0.3);
        }

        /* Responsive */
        @media (max-width: 991px) {
            .banner-title {
                font-size: 2rem;
            }

            .header-inner {
                gap: 10px;
            }

            .nav-category-links {
                display: none;
            }

            .navbar-toggler-custom {
                display: flex;
            }

            .nav-search-wrap {
                justify-content: flex-start;
            }

            .nav-search {
                max-width: 280px;
            }

            .archive-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .featured-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .dimension-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .container-custom {
                padding: 0 16px;
            }
        }

        @media (max-width: 767px) {
            html {
                font-size: 15px;
            }

            .banner-title {
                font-size: 1.7rem;
            }

            .banner-desc {
                font-size: 0.95rem;
            }

            .archive-section,
            .featured-section,
            .dimension-section,
            .faq-section,
            .cta-section {
                padding: 40px 0;
            }

            .archive-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .section-header {
                flex-direction: column;
                align-items: flex-start;
            }

            .filter-chips {
                width: 100%;
                overflow-x: auto;
                padding-bottom: 4px;
            }

            .filter-chip {
                flex-shrink: 0;
            }

            .featured-card {
                padding: 20px;
            }

            .featured-card-top {
                flex-direction: column;
                gap: 12px;
            }

            .featured-avatar {
                width: 60px;
                height: 60px;
            }

            .dimension-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .stat-badge {
                padding: 6px 12px;
                font-size: 0.78rem;
            }

            .stat-badge strong {
                font-size: 0.95rem;
            }

            .stats-badge-row {
                gap: 8px;
                margin-top: 20px;
            }

            .cta-card {
                padding: 32px 20px;
            }

            .cta-card h3 {
                font-size: 1.35rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .fb-links {
                margin-left: 0;
                margin-top: 8px;
            }

            .nav-search {
                max-width: 100%;
            }

            .nav-search-wrap {
                display: none;
            }

            .header-inner {
                justify-content: space-between;
            }

            .brand-logo {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            html {
                font-size: 14px;
            }

            .container-custom {
                padding: 0 12px;
            }

            .banner-title {
                font-size: 1.45rem;
            }

            .stats-badge-row {
                gap: 6px;
            }

            .stat-badge {
                padding: 5px 10px;
                font-size: 0.72rem;
            }

            .btn-nav-cta {
                padding: 6px 12px;
                font-size: 0.78rem;
            }

            .archive-card-body {
                padding: 14px 16px 16px;
            }

            .featured-card {
                padding: 16px;
            }

            .accordion-custom .accordion-button {
                font-size: 0.88rem;
                padding: 14px 16px;
            }

            .accordion-custom .accordion-body {
                font-size: 0.84rem;
                padding: 2px 16px 14px 16px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #FF5A3C;
            --primary-dark: #E63E2F;
            --primary-light: #FF8A6B;
            --secondary: #2D1B69;
            --secondary-mid: #5B3FA8;
            --accent: #FFB800;
            --bg-warm: #F7F3EE;
            --bg-card: #FFFFFF;
            --bg-dark: #1F1830;
            --text-main: #2D2A26;
            --text-body: #5A564F;
            --text-muted: #8A857D;
            --text-light: #F5F2EC;
            --border-soft: #E8E2D8;
            --border-warm: #F0D9CD;
            --gradient-brand: linear-gradient(135deg, #FF5A3C 0%, #C73E8A 50%, #2D1B69 100%);
            --gradient-cta: linear-gradient(135deg, #FF6B45 0%, #C73E8A 55%, #5B3FA8 100%);
            --gradient-card-warm: linear-gradient(145deg, #FFF9F5 0%, #FFF0E8 100%);
            --shadow-sm: 0 2px 8px rgba(45, 26, 40, 0.06);
            --shadow-md: 0 4px 16px rgba(45, 26, 40, 0.08);
            --shadow-lg: 0 8px 28px rgba(45, 26, 40, 0.14);
            --shadow-xl: 0 16px 48px rgba(45, 26, 40, 0.18);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --radius-xl: 28px;
            --radius-pill: 999px;
            --font-base: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-base);
            background-color: var(--bg-warm);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-bottom: 0;
            margin: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
            object-fit: cover;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6,
        p {
            margin: 0;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER ========== */
        .site-header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 10px 0;
            flex-wrap: nowrap;
        }
        .brand-logo {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }
        .brand-logo:hover {
            opacity: 0.82;
            color: transparent;
        }
        .nav-search-wrap {
            flex: 1;
            min-width: 0;
            display: flex;
            justify-content: center;
            position: relative;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-warm);
            border: 2px solid var(--border-soft);
            border-radius: var(--radius-pill);
            padding: 8px 16px;
            gap: 10px;
            width: 100%;
            max-width: 380px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 90, 60, 0.15);
            background: #fff;
        }
        .nav-search i {
            color: var(--text-muted);
            font-size: 0.95rem;
            flex-shrink: 0;
        }
        .nav-search input {
            flex: 1;
            min-width: 0;
            background: transparent;
            border: none;
            font-size: 0.92rem;
            color: var(--text-main);
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-category-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-category-links a {
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-body);
            padding: 6px 12px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .nav-category-links a:hover {
            color: var(--primary);
            background: rgba(255, 90, 60, 0.08);
        }
        .nav-category-links a.active {
            color: #fff;
            background: var(--gradient-cta);
            font-weight: 600;
        }
        .btn-nav-cta {
            background: var(--gradient-cta);
            color: #fff;
            font-weight: 600;
            font-size: 0.88rem;
            padding: 9px 18px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            transition: all var(--transition-base);
            border: none;
        }
        .btn-nav-cta:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }
        .btn-nav-cta:active {
            transform: translateY(0);
        }
        .navbar-toggler-custom {
            display: none;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-soft);
            color: var(--text-main);
            font-size: 1.2rem;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .navbar-toggler-custom:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(255, 90, 60, 0.06);
        }
        .mobile-nav-collapse {
            display: none;
            background: #fff;
            border-top: 1px solid var(--border-soft);
            padding: 12px 0 16px;
        }
        .mobile-nav-collapse.open {
            display: block;
        }
        .mobile-nav-collapse .nav-search {
            max-width: 100%;
            margin-bottom: 12px;
        }
        .mobile-nav-collapse .nav-category-links {
            flex-wrap: wrap;
            gap: 8px;
        }
        .mobile-nav-collapse .nav-category-links a {
            font-size: 0.9rem;
            padding: 8px 14px;
        }

        /* ========== SECTION COMMON ========== */
        .section-pad {
            padding: 72px 0;
        }
        .section-pad-sm {
            padding: 48px 0;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: var(--primary);
            background: rgba(255, 90, 60, 0.1);
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--text-main);
            margin-bottom: 14px;
            line-height: 1.35;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-body);
            max-width: 680px;
            line-height: 1.8;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.9);
            transition: color var(--transition-fast);
        }
        .breadcrumb-custom a:hover {
            color: #fff;
        }
        .breadcrumb-custom .sep {
            color: rgba(255, 255, 255, 0.5);
        }
        .breadcrumb-custom .current {
            color: #fff;
            font-weight: 600;
        }

        /* ========== CATEGORY BANNER ========== */
        .category-banner {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
            border-radius: 0 0 var(--radius-xl) var(--radius-xl);
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(45, 27, 105, 0.92) 0%, rgba(199, 62, 138, 0.82) 45%, rgba(255, 90, 60, 0.7) 100%);
            z-index: 1;
        }
        .category-banner::after {
            content: '';
            position: absolute;
            right: -80px;
            top: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            z-index: 1;
        }
        .category-banner-inner {
            position: relative;
            z-index: 2;
            padding: 48px 0;
            color: #fff;
            max-width: 720px;
        }
        .banner-h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .banner-h1 .highlight {
            background: linear-gradient(135deg, #FFB800 0%, #FFD700 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .banner-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.85;
            max-width: 620px;
        }
        .banner-stats-row {
            display: flex;
            gap: 28px;
            margin-top: 28px;
            flex-wrap: wrap;
        }
        .banner-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .banner-stat-item .stat-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .banner-stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
        }

        /* ========== FILTER SIDEBAR ========== */
        .filter-sidebar {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 80px;
            margin-bottom: 24px;
        }
        .filter-group {
            margin-bottom: 22px;
        }
        .filter-group:last-child {
            margin-bottom: 0;
        }
        .filter-group-title {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-main);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .filter-group-title i {
            color: var(--primary);
            font-size: 0.8rem;
        }
        .filter-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .filter-tag {
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--text-body);
            background: var(--bg-warm);
            border: 1px solid var(--border-soft);
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(255, 90, 60, 0.05);
        }
        .filter-tag.active {
            background: var(--gradient-cta);
            color: #fff;
            border-color: transparent;
            font-weight: 600;
        }
        .filter-radio-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .filter-radio {
            display: flex;
            align-items: center;
            gap: 10px;
            cursor: pointer;
            font-size: 0.88rem;
            color: var(--text-body);
            transition: color var(--transition-fast);
        }
        .filter-radio:hover {
            color: var(--primary);
        }
        .filter-radio input[type="radio"] {
            appearance: none;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            border: 2px solid var(--border-soft);
            background: #fff;
            cursor: pointer;
            position: relative;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }
        .filter-radio input[type="radio"]:checked {
            border-color: var(--primary);
            background: var(--primary);
        }
        .filter-radio input[type="radio"]:checked::after {
            content: '';
            position: absolute;
            inset: 4px;
            border-radius: 50%;
            background: #fff;
        }

        /* ========== ENTRY CARDS ========== */
        .entry-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            display: flex;
            margin-bottom: 22px;
            transition: all var(--transition-base);
            position: relative;
        }
        .entry-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--border-warm);
            transform: translateY(-2px);
        }
        .entry-card-img {
            width: 220px;
            min-height: 180px;
            flex-shrink: 0;
            overflow: hidden;
            position: relative;
        }
        .entry-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .entry-card:hover .entry-card-img img {
            transform: scale(1.05);
        }
        .entry-card-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .entry-card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .entry-tag {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            background: rgba(255, 90, 60, 0.08);
            padding: 3px 10px;
            border-radius: var(--radius-pill);
        }
        .entry-tag.secondary {
            color: var(--secondary-mid);
            background: rgba(91, 63, 168, 0.08);
        }
        .entry-tag.accent {
            color: #B8860B;
            background: rgba(255, 184, 0, 0.12);
        }
        .entry-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.45;
            transition: color var(--transition-fast);
        }
        .entry-card-title:hover {
            color: var(--primary);
        }
        .entry-card-desc {
            font-size: 0.9rem;
            color: var(--text-body);
            line-height: 1.75;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .entry-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-top: auto;
            padding-top: 6px;
        }
        .entry-stat-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-body);
            background: var(--bg-warm);
            padding: 4px 10px;
            border-radius: var(--radius-pill);
        }
        .entry-stat-badge i {
            font-size: 0.75rem;
            color: var(--primary);
        }
        .entry-card-btn {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            border: 1.5px solid var(--primary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .entry-card-btn:hover {
            background: var(--primary);
            color: #fff;
        }
        .entry-card-btn i {
            font-size: 0.72rem;
        }

        .load-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            background: var(--gradient-cta);
            padding: 12px 30px;
            border-radius: var(--radius-pill);
            transition: all var(--transition-base);
            border: none;
        }
        .load-more-btn:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .load-more-btn:active {
            transform: translateY(0);
        }

        /* ========== SELLING POINTS ========== */
        .point-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .point-card::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 80px;
            height: 80px;
            background: var(--gradient-card-warm);
            border-radius: 0 0 0 80px;
            opacity: 0.6;
        }
        .point-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--border-warm);
        }
        .point-icon {
            width: 54px;
            height: 54px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            background: var(--gradient-card-warm);
            color: var(--primary);
            position: relative;
            z-index: 1;
        }
        .point-icon i {
            transition: transform var(--transition-base);
        }
        .point-card:hover .point-icon i {
            transform: scale(1.15);
        }
        .point-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
            position: relative;
            z-index: 1;
        }
        .point-desc {
            font-size: 0.92rem;
            color: var(--text-body);
            line-height: 1.75;
            position: relative;
            z-index: 1;
        }
        .point-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--primary);
            background: rgba(255, 90, 60, 0.08);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            margin-top: 14px;
            position: relative;
            z-index: 1;
        }

        /* ========== DATA STATS ========== */
        .stats-band {
            background: var(--bg-dark);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            position: relative;
            overflow: hidden;
        }
        .stats-band::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 90, 60, 0.15);
        }
        .stats-band::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -30px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(199, 62, 138, 0.12);
        }
        .stat-cell {
            text-align: center;
            position: relative;
            z-index: 2;
            padding: 10px 8px;
        }
        .stat-cell-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -1px;
        }
        .stat-cell-num .unit {
            font-size: 1.1rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.7);
            margin-left: 2px;
        }
        .stat-cell-label {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
        }
        .stat-cell-icon {
            font-size: 1.2rem;
            color: var(--primary-light);
            margin-bottom: 8px;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-block {
            background: var(--gradient-card-warm);
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            border: 1px solid var(--border-warm);
            position: relative;
            overflow: hidden;
        }
        .brand-intro-block::before {
            content: '';
            position: absolute;
            top: -30px;
            left: -30px;
            width: 150px;
            height: 150px;
            border-radius: 50%;
            background: rgba(255, 90, 60, 0.06);
        }
        .brand-intro-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .brand-intro-text {
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.85;
            position: relative;
            z-index: 1;
        }

        /* ========== FAQ ========== */
        .faq-accordion-custom .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion-custom .accordion-button {
            background: var(--bg-card);
            color: var(--text-main);
            font-weight: 600;
            font-size: 0.98rem;
            padding: 18px 20px;
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
        }
        .faq-accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(255, 90, 60, 0.04);
            color: var(--primary);
            box-shadow: none;
        }
        .faq-accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(255, 90, 60, 0.15);
            border-color: var(--primary);
        }
        .faq-accordion-custom .accordion-button::after {
            flex-shrink: 0;
            filter: invert(50%) sepia(20%) saturate(2000%) hue-rotate(330deg);
        }
        .faq-accordion-custom .accordion-body {
            font-size: 0.92rem;
            color: var(--text-body);
            line-height: 1.8;
            padding: 16px 20px 20px;
        }

        /* ========== CTA BAND ========== */
        .cta-band {
            background: var(--gradient-brand);
            border-radius: var(--radius-xl);
            padding: 44px 36px;
            position: relative;
            overflow: hidden;
            color: #fff;
        }
        .cta-band::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 250px;
            height: 250px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }
        .cta-band::after {
            content: '';
            position: absolute;
            bottom: -70px;
            left: -30px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
        }
        .cta-band-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-band-title {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            margin-bottom: 6px;
            line-height: 1.35;
        }
        .cta-band-desc {
            font-size: 0.98rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
        }
        .btn-cta-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 13px 28px;
            border-radius: var(--radius-pill);
            transition: all var(--transition-base);
            white-space: nowrap;
            border: none;
        }
        .btn-cta-white:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-2px);
            color: var(--primary-dark);
        }
        .btn-cta-outline-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 26px;
            border-radius: var(--radius-pill);
            border: 2px solid rgba(255, 255, 255, 0.6);
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .btn-cta-outline-white:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 20px;
            margin-top: 72px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-size: 1.4rem;
            font-weight: 800;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
            align-items: center;
            justify-content: space-between;
        }
        .fb-links {
            display: flex;
            gap: 8px;
            align-items: center;
        }
        .fb-links a {
            color: rgba(255, 255, 255, 0.45);
            transition: color var(--transition-fast);
        }
        .fb-links a:hover {
            color: var(--primary-light);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 991px) {
            .nav-category-links {
                display: none;
            }
            .btn-nav-cta {
                display: none;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .section-pad {
                padding: 52px 0;
            }
            .banner-h1 {
                font-size: 2.2rem;
            }
            .entry-card {
                flex-direction: column;
            }
            .entry-card-img {
                width: 100%;
                min-height: 200px;
                max-height: 260px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .stats-band {
                padding: 30px 24px;
            }
            .stat-cell-num {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 767px) {
            .header-inner {
                gap: 10px;
                padding: 8px 0;
            }
            .brand-logo {
                font-size: 1.15rem;
            }
            .nav-search-wrap {
                justify-content: flex-start;
            }
            .nav-search {
                padding: 7px 12px;
                max-width: 200px;
            }
            .nav-search input {
                font-size: 0.82rem;
            }
            .navbar-toggler-custom {
                width: 38px;
                height: 38px;
                font-size: 1rem;
            }
            .section-pad {
                padding: 40px 0;
            }
            .section-pad-sm {
                padding: 32px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .category-banner {
                min-height: 340px;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .banner-h1 {
                font-size: 1.8rem;
            }
            .banner-desc {
                font-size: 0.92rem;
            }
            .banner-stats-row {
                gap: 16px;
            }
            .banner-stat-item .stat-num {
                font-size: 1.3rem;
            }
            .filter-sidebar {
                position: static;
                top: auto;
            }
            .entry-card-img {
                min-height: 180px;
                max-height: 220px;
            }
            .entry-card-body {
                padding: 16px 16px;
            }
            .entry-card-title {
                font-size: 1rem;
            }
            .point-card {
                padding: 20px 16px;
                margin-bottom: 12px;
            }
            .stats-band {
                padding: 24px 16px;
                border-radius: var(--radius-lg);
            }
            .stat-cell-num {
                font-size: 1.4rem;
            }
            .stat-cell-label {
                font-size: 0.75rem;
            }
            .brand-intro-block {
                padding: 24px 18px;
                border-radius: var(--radius-lg);
            }
            .cta-band {
                padding: 28px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-band-title {
                font-size: 1.25rem;
            }
            .cta-band-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn-cta-white,
            .btn-cta-outline-white {
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer {
                margin-top: 48px;
                padding-top: 36px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 12px;
            }
            .header-inner {
                gap: 6px;
            }
            .brand-logo {
                font-size: 1rem;
                letter-spacing: 0;
            }
            .nav-search-wrap {
                flex: 0 1 auto;
            }
            .nav-search {
                max-width: 150px;
                padding: 6px 10px;
                gap: 6px;
            }
            .nav-search i {
                font-size: 0.75rem;
            }
            .nav-search input {
                font-size: 0.75rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .banner-h1 {
                font-size: 1.55rem;
            }
            .banner-desc {
                font-size: 0.85rem;
                line-height: 1.7;
            }
            .banner-stats-row {
                gap: 12px;
            }
            .banner-stat-item .stat-num {
                font-size: 1.1rem;
            }
            .banner-stat-item .stat-label {
                font-size: 0.72rem;
            }
            .entry-card-desc {
                font-size: 0.82rem;
                -webkit-line-clamp: 2;
            }
            .entry-stat-badge {
                font-size: 0.72rem;
                padding: 3px 8px;
            }
            .entry-card-btn {
                font-size: 0.75rem;
                padding: 4px 10px;
            }
            .stat-cell-num {
                font-size: 1.2rem;
            }
            .cta-band-title {
                font-size: 1.1rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #FF5A3C;
            --primary-dark: #E63E2F;
            --primary-light: #FF8A6B;
            --secondary: #2D1B69;
            --secondary-mid: #5B3FA8;
            --accent: #FFB800;
            --bg-warm: #F7F3EE;
            --bg-card: #FFFFFF;
            --bg-dark: #1F1830;
            --text-main: #2D2A26;
            --text-body: #5A564F;
            --text-muted: #8A857D;
            --text-light: #F5F2EC;
            --border-soft: #E8E2D8;
            --border-warm: #F0D9CD;
            --gradient-brand: linear-gradient(135deg, #FF5A3C 0%, #C73E8A 50%, #2D1B69 100%);
            --gradient-cta: linear-gradient(135deg, #FF6B45 0%, #C73E8A 55%, #5B3FA8 100%);
            --gradient-card-warm: linear-gradient(145deg, #FFF9F5 0%, #FFF0E8 100%);
            --shadow-sm: 0 2px 8px rgba(45, 26, 40, 0.06);
            --shadow-md: 0 4px 16px rgba(45, 26, 40, 0.08);
            --shadow-lg: 0 8px 28px rgba(45, 26, 40, 0.14);
            --shadow-xl: 0 16px 48px rgba(45, 26, 40, 0.18);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --radius-xl: 28px;
            --radius-pill: 999px;
            --font-base: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-base);
            background-color: var(--bg-warm);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-bottom: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
            object-fit: cover;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ========== HEADER ========== */
        .site-header {
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 10px 0;
            flex-wrap: nowrap;
        }
        .brand-logo {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }
        .brand-logo:hover {
            opacity: 0.82;
            color: transparent;
        }
        .nav-search-wrap {
            flex: 1;
            min-width: 0;
            display: flex;
            justify-content: center;
            position: relative;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-warm);
            border: 2px solid var(--border-soft);
            border-radius: var(--radius-pill);
            padding: 8px 16px;
            gap: 10px;
            width: 100%;
            max-width: 380px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 90, 60, 0.15);
            background: #fff;
        }
        .nav-search i {
            color: var(--text-muted);
            font-size: 0.95rem;
            flex-shrink: 0;
        }
        .nav-search input {
            flex: 1;
            min-width: 0;
            background: transparent;
            border: none;
            font-size: 0.92rem;
            color: var(--text-main);
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-category-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .nav-category-links a {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-body);
            padding: 6px 12px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .nav-category-links a:hover {
            color: var(--primary);
            background: rgba(255, 90, 60, 0.08);
        }
        .nav-category-links a.active {
            color: #fff;
            background: var(--gradient-cta);
            box-shadow: var(--shadow-sm);
        }
        .btn-nav-cta {
            background: var(--gradient-cta);
            color: #fff;
            font-size: 0.88rem;
            font-weight: 700;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .btn-nav-cta:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            color: #fff;
        }
        .navbar-toggler-custom {
            display: none;
            color: var(--text-main);
            font-size: 1.4rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .navbar-toggler-custom:hover {
            background: var(--bg-warm);
        }
        .mobile-nav-collapse {
            display: none;
            border-top: 1px solid var(--border-soft);
            background: #fff;
            padding: 12px 0 16px;
        }
        .mobile-nav-collapse.show {
            display: block;
        }
        .mobile-nav-collapse .nav-search {
            max-width: 100%;
            margin-bottom: 12px;
        }
        .mobile-nav-collapse .nav-category-links {
            flex-wrap: wrap;
            gap: 4px;
        }
        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 320px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(45, 27, 105, 0.88) 0%, rgba(199, 62, 138, 0.75) 50%, rgba(255, 90, 60, 0.82) 100%);
            z-index: 1;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.06'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
            z-index: 1;
            opacity: 0.5;
        }
        .page-banner-content {
            position: relative;
            z-index: 2;
            color: #fff;
            padding: 48px 0;
        }
        .breadcrumb-banner {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 14px;
        }
        .breadcrumb-banner a {
            color: rgba(255, 255, 255, 0.75);
            transition: color var(--transition-fast);
        }
        .breadcrumb-banner a:hover {
            color: #fff;
        }
        .breadcrumb-banner i {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
            color: #fff;
        }
        .page-banner .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.88);
            max-width: 640px;
            line-height: 1.7;
        }
        .banner-stats {
            display: flex;
            gap: 28px;
            margin-top: 24px;
            flex-wrap: wrap;
        }
        .banner-stat-item {
            background: rgba(255, 255, 255, 0.14);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: var(--radius-md);
            padding: 12px 20px;
            text-align: center;
            min-width: 100px;
        }
        .banner-stat-item .stat-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .banner-stat-item .stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.78);
        }
        /* ========== COMPARE SECTION ========== */
        .compare-section {
            padding: 56px 0 40px;
        }
        .section-header {
            margin-bottom: 32px;
        }
        .section-header .section-tag {
            display: inline-block;
            background: rgba(255, 90, 60, 0.1);
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 10px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.3px;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .section-header p {
            color: var(--text-body);
            font-size: 1rem;
            max-width: 720px;
        }
        .compare-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-soft);
            overflow: hidden;
            margin-bottom: 28px;
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }
        .compare-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .compare-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            background: var(--gradient-card-warm);
            border-bottom: 1px solid var(--border-warm);
            flex-wrap: wrap;
            gap: 12px;
        }
        .compare-card-header .compare-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .compare-card-header .compare-title i {
            color: var(--primary);
            font-size: 1.1rem;
        }
        .compare-badge {
            background: rgba(255, 184, 0, 0.15);
            color: #B8860B;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
        }
        .compare-body {
            padding: 24px;
        }
        .compare-row {
            display: flex;
            gap: 20px;
            align-items: stretch;
        }
        .compare-option {
            flex: 1;
            background: var(--bg-warm);
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--border-soft);
            position: relative;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .compare-option:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }
        .compare-option.featured {
            border-color: var(--primary);
            background: linear-gradient(145deg, #FFF9F5 0%, #FFF0E8 100%);
        }
        .compare-option .option-badge {
            position: absolute;
            top: -10px;
            right: 14px;
            background: var(--gradient-cta);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            box-shadow: var(--shadow-sm);
        }
        .compare-option .option-name {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .compare-option .option-name i {
            color: var(--primary);
        }
        .compare-option .option-desc {
            font-size: 0.88rem;
            color: var(--text-body);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .score-bar-container {
            margin-bottom: 10px;
        }
        .score-bar-label {
            display: flex;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--text-body);
            margin-bottom: 4px;
        }
        .score-bar-label span:last-child {
            font-weight: 700;
            color: var(--text-main);
        }
        .score-bar {
            height: 8px;
            background: #E8E2D8;
            border-radius: var(--radius-pill);
            overflow: hidden;
        }
        .score-bar-fill {
            height: 100%;
            border-radius: var(--radius-pill);
            background: var(--gradient-cta);
            transition: width var(--transition-slow);
        }
        .score-bar-fill.secondary-fill {
            background: linear-gradient(135deg, #FFB800 0%, #FF8A6B 100%);
        }
        .compare-vs {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            width: 48px;
        }
        .vs-badge {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--gradient-brand);
            color: #fff;
            font-weight: 800;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-md);
            letter-spacing: 0.5px;
        }
        .compare-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 14px 24px;
            background: #FAF8F5;
            border-top: 1px solid var(--border-soft);
            flex-wrap: wrap;
            gap: 10px;
        }
        .compare-footer .data-points {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .data-point {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .data-point i {
            color: var(--primary);
            font-size: 0.75rem;
        }
        .btn-compare-cta {
            background: var(--gradient-cta);
            color: #fff;
            font-size: 0.88rem;
            font-weight: 700;
            padding: 9px 20px;
            border-radius: var(--radius-pill);
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
            white-space: nowrap;
        }
        .btn-compare-cta:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            color: #fff;
        }
        /* ========== METHOD SECTION ========== */
        .method-section {
            padding: 40px 0 56px;
        }
        .method-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            height: 100%;
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }
        .method-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .method-card .method-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: var(--gradient-card-warm);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
            color: var(--primary);
            font-size: 1.3rem;
        }
        .method-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .method-card p {
            font-size: 0.9rem;
            color: var(--text-body);
            line-height: 1.65;
            margin-bottom: 0;
        }
        /* ========== FAQ ========== */
        .faq-section {
            padding: 40px 0 56px;
        }
        .accordion-compare {
            max-width: 860px;
            margin: 0 auto;
        }
        .accordion-compare .accordion-item {
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            background: var(--bg-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .accordion-compare .accordion-button {
            background: var(--bg-card);
            color: var(--text-main);
            font-weight: 700;
            font-size: 0.98rem;
            padding: 16px 20px;
            border-radius: var(--radius-md) !important;
            box-shadow: none;
        }
        .accordion-compare .accordion-button:not(.collapsed) {
            background: linear-gradient(145deg, #FFF9F5 0%, #FFF0E8 100%);
            color: var(--primary);
            box-shadow: none;
        }
        .accordion-compare .accordion-button:focus {
            box-shadow: 0 0 0 2px rgba(255, 90, 60, 0.2);
            border-color: var(--primary);
        }
        .accordion-compare .accordion-button:not(.collapsed)::after {
            filter: sepia(1) saturate(3) hue-rotate(-50deg);
        }
        .accordion-compare .accordion-body {
            font-size: 0.92rem;
            color: var(--text-body);
            line-height: 1.7;
            padding: 16px 20px;
            background: #fff;
        }
        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 56px 0;
        }
        .cta-box {
            background: var(--gradient-brand);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }
        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 30%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
        }
        .cta-box h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-box p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        .btn-cta-light {
            background: #fff;
            color: var(--primary-dark);
            font-size: 1rem;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-md);
            position: relative;
            z-index: 1;
            display: inline-block;
        }
        .btn-cta-light:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-xl);
            color: var(--primary-dark);
        }
        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-size: 1.3rem;
            font-weight: 800;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
            align-items: center;
        }
        .footer-bottom .fb-links {
            margin-left: auto;
            display: flex;
            gap: 8px;
            align-items: center;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.8rem;
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }
        /* ========== FIXED BOTTOM BAR ========== */
        .fixed-bottom-bar {
            position: fixed;
            bottom: 16px;
            right: 16px;
            z-index: 1040;
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--bg-dark);
            border-radius: var(--radius-pill);
            padding: 12px 20px;
            box-shadow: var(--shadow-xl);
            border: 1px solid rgba(255, 255, 255, 0.1);
            max-width: 420px;
        }
        .fixed-bottom-bar .bar-text {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.85);
            font-weight: 600;
        }
        .btn-bar-cta {
            background: var(--gradient-cta);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 700;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .btn-bar-cta:hover {
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
            color: #fff;
        }
        /* ========== RESPONSIVE ========== */
        @media (max-width: 991px) {
            .nav-category-links {
                display: none !important;
            }
            .navbar-toggler-custom {
                display: block !important;
            }
            .btn-nav-cta {
                display: none;
            }
            .nav-search-wrap {
                max-width: 280px;
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .compare-row {
                flex-direction: column;
                gap: 16px;
            }
            .compare-vs {
                width: 100%;
                flex-direction: row;
                justify-content: center;
                padding: 4px 0;
            }
            .vs-badge {
                width: 36px;
                height: 36px;
                font-size: 0.75rem;
            }
        }
        @media (max-width: 767px) {
            .container-custom {
                padding: 0 16px;
            }
            .header-inner {
                gap: 10px;
            }
            .nav-search-wrap {
                max-width: 100%;
                flex: 1;
            }
            .nav-search {
                padding: 6px 12px;
            }
            .site-header {
                position: sticky;
            }
            .page-banner {
                min-height: 260px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner .banner-desc {
                font-size: 0.95rem;
            }
            .banner-stats {
                gap: 12px;
            }
            .banner-stat-item {
                padding: 8px 14px;
                min-width: 76px;
            }
            .banner-stat-item .stat-num {
                font-size: 1.25rem;
            }
            .compare-card-header {
                padding: 14px 16px;
            }
            .compare-body {
                padding: 16px;
            }
            .compare-option {
                padding: 14px;
            }
            .compare-footer {
                padding: 12px 16px;
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-box {
                padding: 32px 20px;
            }
            .cta-box h3 {
                font-size: 1.4rem;
            }
            .fixed-bottom-bar {
                left: 12px;
                right: 12px;
                bottom: 12px;
                border-radius: var(--radius-md);
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                max-width: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .footer-bottom .fb-links {
                margin-left: 0;
            }
            .section-header h2 {
                font-size: 1.55rem;
            }
        }
        @media (max-width: 520px) {
            html {
                font-size: 14px;
            }
            .brand-logo {
                font-size: 1.15rem;
            }
            .nav-search input {
                font-size: 0.8rem;
            }
            .nav-search input::placeholder {
                font-size: 0.75rem;
            }
            .page-banner h1 {
                font-size: 1.55rem;
            }
            .banner-stat-item .stat-num {
                font-size: 1.05rem;
            }
            .banner-stat-item .stat-label {
                font-size: 0.7rem;
            }
            .compare-option .option-name {
                font-size: 0.95rem;
            }
            .compare-option .option-desc {
                font-size: 0.82rem;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #FF5A3C;
            --primary-dark: #E63E2F;
            --primary-light: #FF8A6B;
            --secondary: #2D1B69;
            --secondary-mid: #5B3FA8;
            --accent: #FFB800;
            --bg-warm: #F7F3EE;
            --bg-card: #FFFFFF;
            --bg-dark: #1F1830;
            --text-main: #2D2A26;
            --text-body: #5A564F;
            --text-muted: #8A857D;
            --text-light: #F5F2EC;
            --border-soft: #E8E2D8;
            --border-warm: #F0D9CD;
            --gradient-brand: linear-gradient(135deg, #FF5A3C 0%, #C73E8A 50%, #2D1B69 100%);
            --gradient-cta: linear-gradient(135deg, #FF6B45 0%, #C73E8A 55%, #5B3FA8 100%);
            --gradient-card-warm: linear-gradient(145deg, #FFF9F5 0%, #FFF0E8 100%);
            --shadow-sm: 0 2px 8px rgba(45, 26, 40, 0.06);
            --shadow-md: 0 4px 16px rgba(45, 26, 40, 0.08);
            --shadow-lg: 0 8px 28px rgba(45, 26, 40, 0.14);
            --shadow-xl: 0 16px 48px rgba(45, 26, 40, 0.18);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --radius-xl: 28px;
            --radius-pill: 999px;
            --font-base: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-base);
            background-color: var(--bg-warm);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-bottom: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
            object-fit: cover;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER ========== */
        .site-header {
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 10px 0;
            flex-wrap: nowrap;
        }
        .brand-logo {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }
        .brand-logo:hover {
            opacity: 0.82;
            color: transparent;
        }
        .nav-search-wrap {
            flex: 1;
            min-width: 0;
            display: flex;
            justify-content: center;
            position: relative;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-warm);
            border: 2px solid var(--border-soft);
            border-radius: var(--radius-pill);
            padding: 8px 16px;
            gap: 10px;
            width: 100%;
            max-width: 380px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 90, 60, 0.15);
            background: #fff;
        }
        .nav-search i {
            color: var(--text-muted);
            font-size: 0.95rem;
            flex-shrink: 0;
        }
        .nav-search input {
            flex: 1;
            min-width: 0;
            background: transparent;
            border: none;
            font-size: 0.92rem;
            color: var(--text-main);
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-category-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .nav-category-links a {
            padding: 6px 10px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-pill);
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }
        .nav-category-links a:hover {
            color: var(--primary);
            background: rgba(255, 90, 60, 0.08);
        }
        .nav-category-links a.active {
            color: var(--primary);
            background: rgba(255, 90, 60, 0.12);
            font-weight: 600;
        }
        .btn-nav-cta {
            background: var(--gradient-cta);
            color: #fff;
            font-weight: 600;
            font-size: 0.85rem;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .btn-nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
            color: #fff;
        }
        .navbar-toggler-custom {
            display: none;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--bg-warm);
            color: var(--text-main);
            font-size: 1.2rem;
            border: 1px solid var(--border-soft);
            transition: background var(--transition-fast);
        }
        .navbar-toggler-custom:hover {
            background: var(--border-warm);
        }
        .mobile-nav-collapse {
            display: none;
            padding: 14px 0;
            border-top: 1px solid var(--border-soft);
            background: #fff;
        }
        .mobile-nav-collapse.show {
            display: block;
        }
        .mobile-nav-collapse .nav-search {
            max-width: 100%;
            margin-bottom: 12px;
        }
        .mobile-nav-collapse .nav-category-links {
            flex-wrap: wrap;
            gap: 6px;
        }
        .mobile-nav-collapse .nav-category-links a {
            background: var(--bg-warm);
            padding: 8px 14px;
            border-radius: var(--radius-pill);
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-wrap {
            padding: 18px 0 0;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-custom a:hover {
            color: var(--primary);
        }
        .breadcrumb-custom .sep {
            color: var(--text-muted);
            font-size: 0.75rem;
        }
        .breadcrumb-custom .current {
            color: var(--text-body);
            font-weight: 500;
        }

        /* ========== HERO QA ========== */
        .qa-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(45, 27, 105, 0.88) 0%, rgba(199, 62, 138, 0.82) 55%, rgba(255, 90, 60, 0.78) 100%),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            margin: 20px 0 36px;
            color: #fff;
            box-shadow: var(--shadow-xl);
            overflow: hidden;
            position: relative;
        }
        .qa-hero::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: rgba(255, 184, 0, 0.18);
            pointer-events: none;
        }
        .qa-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(6px);
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }
        .qa-hero h1 {
            font-size: 2.1rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
            color: #fff;
        }
        .qa-hero .hero-sub {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.88);
            max-width: 620px;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        .qa-hero .hero-search-large {
            display: flex;
            align-items: center;
            background: #fff;
            border-radius: var(--radius-pill);
            padding: 6px 6px 6px 20px;
            gap: 10px;
            max-width: 560px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
            position: relative;
            z-index: 1;
        }
        .qa-hero .hero-search-large i {
            color: var(--text-muted);
            font-size: 1rem;
        }
        .qa-hero .hero-search-large input {
            flex: 1;
            min-width: 0;
            padding: 10px 0;
            font-size: 0.95rem;
            color: var(--text-main);
        }
        .qa-hero .hero-search-large input::placeholder {
            color: var(--text-muted);
        }
        .qa-hero .hero-search-large .btn-search-submit {
            background: var(--gradient-cta);
            color: #fff;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            font-size: 0.9rem;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        }
        .qa-hero .hero-search-large .btn-search-submit:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(255, 90, 60, 0.35);
        }
        .hero-stats-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 24px;
            position: relative;
            z-index: 1;
        }
        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.14);
            backdrop-filter: blur(4px);
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            font-weight: 500;
        }
        .hero-stat-item strong {
            font-size: 1.1rem;
            font-weight: 700;
            color: #FFD96B;
        }

        /* ========== MAIN LAYOUT ========== */
        .qa-main {
            padding: 24px 0 60px;
        }
        .qa-layout-grid {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 340px;
            gap: 28px;
        }
        .qa-list-column {
            min-width: 0;
        }

        /* ========== QA LIST ========== */
        .qa-list-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .qa-list-header h2 {
            font-size: 1.35rem;
            font-weight: 700;
            margin: 0;
        }
        .qa-filter-tabs {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .qa-filter-tab {
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--text-body);
            background: #fff;
            border: 1px solid var(--border-soft);
            transition: all var(--transition-fast);
        }
        .qa-filter-tab:hover {
            color: var(--primary);
            border-color: var(--primary-light);
        }
        .qa-filter-tab.active {
            background: var(--gradient-cta);
            color: #fff;
            border-color: transparent;
            box-shadow: var(--shadow-sm);
        }
        .qa-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-soft);
            padding: 22px 24px;
            margin-bottom: 16px;
            transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
        }
        .qa-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--border-warm);
            transform: translateY(-2px);
        }
        .qa-card-top {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            margin-bottom: 12px;
        }
        .qa-avatars {
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }
        .qa-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid #fff;
            box-shadow: var(--shadow-sm);
            margin-left: -8px;
            transition: transform var(--transition-fast);
        }
        .qa-avatar:first-child {
            margin-left: 0;
        }
        .qa-avatar:hover {
            transform: scale(1.1);
            z-index: 2;
            position: relative;
        }
        .qa-card-title {
            flex: 1;
            min-width: 0;
        }
        .qa-card-title h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 4px;
            line-height: 1.45;
            color: var(--text-main);
        }
        .qa-card-title h3 a:hover {
            color: var(--primary);
        }
        .qa-card-excerpt {
            font-size: 0.88rem;
            color: var(--text-body);
            line-height: 1.65;
            margin: 0 0 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .qa-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .qa-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.72rem;
            font-weight: 500;
            background: rgba(255, 90, 60, 0.1);
            color: var(--primary-dark);
            transition: background var(--transition-fast);
        }
        .qa-tag:hover {
            background: rgba(255, 90, 60, 0.18);
            color: var(--primary-dark);
        }
        .qa-upvote {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-muted);
            margin-left: auto;
            white-space: nowrap;
        }
        .qa-upvote i {
            color: var(--primary);
            font-size: 0.85rem;
        }
        .qa-upvote strong {
            color: var(--text-main);
            font-weight: 700;
        }
        .qa-load-more {
            text-align: center;
            margin-top: 20px;
        }
        .btn-load-more {
            background: #fff;
            border: 2px solid var(--border-soft);
            color: var(--text-body);
            font-weight: 600;
            padding: 10px 32px;
            border-radius: var(--radius-pill);
            font-size: 0.9rem;
            transition: all var(--transition-base);
        }
        .btn-load-more:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(255, 90, 60, 0.05);
        }

        /* ========== SIDEBAR ========== */
        .qa-sidebar {
            min-width: 0;
        }
        .sidebar-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-soft);
            padding: 22px;
            margin-bottom: 18px;
            transition: box-shadow var(--transition-base);
        }
        .sidebar-card:hover {
            box-shadow: var(--shadow-md);
        }
        .sidebar-card h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i {
            color: var(--primary);
            font-size: 0.95rem;
        }
        .hot-topic-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-soft);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            transition: padding var(--transition-fast);
        }
        .hot-topic-list li:last-child {
            border-bottom: none;
        }
        .hot-topic-list a {
            font-size: 0.88rem;
            color: var(--text-body);
            font-weight: 500;
            flex: 1;
            min-width: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .hot-topic-list a:hover {
            color: var(--primary);
        }
        .hot-topic-count {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-muted);
            background: var(--bg-warm);
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .sidebar-cta-box {
            background: var(--gradient-cta);
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-md);
        }
        .sidebar-cta-box h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }
        .sidebar-cta-box p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 16px;
        }
        .btn-sidebar-cta {
            background: #fff;
            color: var(--primary-dark);
            font-weight: 700;
            padding: 10px 24px;
            border-radius: var(--radius-pill);
            font-size: 0.88rem;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
            display: inline-block;
        }
        .btn-sidebar-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
            color: var(--primary-dark);
        }

        /* ========== FAQ SECTION ========== */
        .faq-section {
            padding: 50px 0 60px;
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-soft);
            margin-bottom: 40px;
            padding: 40px 36px;
        }
        .faq-section .section-heading {
            text-align: center;
            margin-bottom: 28px;
        }
        .faq-section .section-heading h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .faq-section .section-heading p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin: 0;
        }
        .accordion-custom .accordion-item {
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }
        .accordion-custom .accordion-item:hover {
            box-shadow: var(--shadow-md);
        }
        .accordion-custom .accordion-button {
            background: #fff;
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--text-main);
            padding: 16px 20px;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
            box-shadow: none !important;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(255, 90, 60, 0.06);
            color: var(--primary-dark);
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(255, 90, 60, 0.15) !important;
            border-color: var(--primary-light);
        }
        .accordion-custom .accordion-button:not(.collapsed)::after {
            filter: invert(0.5) sepia(1) saturate(4) hue-rotate(-30deg);
        }
        .accordion-custom .accordion-body {
            font-size: 0.88rem;
            color: var(--text-body);
            line-height: 1.7;
            padding: 12px 20px 18px;
        }

        /* ========== CTA SECTION ========== */
        .qa-cta-section {
            background: var(--bg-dark);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 40px;
            position: relative;
            overflow: hidden;
        }
        .qa-cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            left: -5%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 90, 60, 0.25);
            pointer-events: none;
        }
        .qa-cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            right: -5%;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(91, 63, 168, 0.35);
            pointer-events: none;
        }
        .qa-cta-section .cta-text {
            flex: 1;
            min-width: 260px;
            position: relative;
            z-index: 1;
        }
        .qa-cta-section .cta-text h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .qa-cta-section .cta-text p {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.82);
            margin: 0;
        }
        .qa-cta-section .cta-action {
            position: relative;
            z-index: 1;
            flex-shrink: 0;
        }
        .btn-cta-primary {
            background: var(--gradient-cta);
            color: #fff;
            font-weight: 700;
            padding: 13px 32px;
            border-radius: var(--radius-pill);
            font-size: 0.95rem;
            box-shadow: 0 8px 24px rgba(255, 90, 60, 0.35);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
            display: inline-block;
        }
        .btn-cta-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(255, 90, 60, 0.45);
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.72);
            padding: 48px 0 28px;
            border-radius: var(--radius-xl) var(--radius-xl) 0 0;
            margin-top: 20px;
        }
        .site-footer h3,
        .site-footer h4 {
            color: #fff;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 28px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-size: 1.4rem;
            font-weight: 800;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 10px;
        }
        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.65);
            margin: 0;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .fb-links {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .fb-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.75rem;
        }
        .fb-links a:hover {
            color: var(--primary-light);
        }
        .fb-links span {
            color: rgba(255, 255, 255, 0.35);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .container-custom {
                padding: 0 18px;
            }
            .qa-layout-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .qa-sidebar {
                order: 2;
            }
            .qa-list-column {
                order: 1;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            html {
                font-size: 15px;
            }
            .nav-category-links {
                display: none;
            }
            .btn-nav-cta {
                display: none;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .nav-search-wrap {
                justify-content: flex-start;
            }
            .nav-search {
                max-width: 220px;
            }
            .qa-hero {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .qa-hero h1 {
                font-size: 1.55rem;
            }
            .qa-hero .hero-search-large {
                flex-wrap: nowrap;
                padding: 4px 4px 4px 14px;
            }
            .qa-hero .hero-search-large input {
                font-size: 0.85rem;
                padding: 8px 0;
            }
            .qa-hero .hero-search-large .btn-search-submit {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .hero-stats-row {
                gap: 10px;
            }
            .hero-stat-item {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            .hero-stat-item strong {
                font-size: 0.95rem;
            }
            .qa-card {
                padding: 16px 16px;
                border-radius: var(--radius-md);
            }
            .qa-card-title h3 {
                font-size: 0.95rem;
            }
            .qa-list-header {
                flex-direction: column;
                align-items: flex-start;
            }
            .faq-section {
                padding: 28px 18px;
                border-radius: var(--radius-lg);
            }
            .faq-section .section-heading h2 {
                font-size: 1.3rem;
            }
            .qa-cta-section {
                padding: 28px 20px;
                border-radius: var(--radius-lg);
                flex-direction: column;
                text-align: center;
            }
            .qa-cta-section .cta-text h2 {
                font-size: 1.25rem;
            }
            .site-footer {
                padding: 36px 0 20px;
                border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .fb-links {
                margin-left: 0;
            }
            .sidebar-card {
                padding: 16px;
            }
        }
        @media (max-width: 520px) {
            html {
                font-size: 14px;
            }
            .container-custom {
                padding: 0 12px;
            }
            .header-inner {
                gap: 8px;
                padding: 8px 0;
            }
            .brand-logo {
                font-size: 1.15rem;
            }
            .nav-search {
                padding: 6px 12px;
                max-width: 160px;
            }
            .nav-search input {
                font-size: 0.8rem;
            }
            .qa-hero h1 {
                font-size: 1.3rem;
            }
            .qa-hero .hero-sub {
                font-size: 0.9rem;
            }
            .qa-avatars .qa-avatar {
                width: 28px;
                height: 28px;
                margin-left: -5px;
            }
            .qa-card-top {
                gap: 10px;
            }
            .qa-card-title h3 {
                font-size: 0.88rem;
            }
            .qa-upvote {
                font-size: 0.72rem;
            }
            .qa-tag {
                padding: 3px 8px;
                font-size: 0.65rem;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #FF5A3C;
            --primary-dark: #E63E2F;
            --primary-light: #FF8A6B;
            --secondary: #2D1B69;
            --secondary-mid: #5B3FA8;
            --accent: #FFB800;
            --bg-warm: #F7F3EE;
            --bg-card: #FFFFFF;
            --bg-dark: #1F1830;
            --text-main: #2D2A26;
            --text-body: #5A564F;
            --text-muted: #8A857D;
            --text-light: #F5F2EC;
            --border-soft: #E8E2D8;
            --border-warm: #F0D9CD;
            --gradient-brand: linear-gradient(135deg, #FF5A3C 0%, #C73E8A 50%, #2D1B69 100%);
            --gradient-cta: linear-gradient(135deg, #FF6B45 0%, #C73E8A 55%, #5B3FA8 100%);
            --gradient-card-warm: linear-gradient(145deg, #FFF9F5 0%, #FFF0E8 100%);
            --gradient-dark: linear-gradient(135deg, #1F1830 0%, #2D1B69 55%, #5B3FA8 100%);
            --shadow-sm: 0 2px 8px rgba(45, 26, 40, 0.06);
            --shadow-md: 0 4px 16px rgba(45, 26, 40, 0.08);
            --shadow-lg: 0 8px 28px rgba(45, 26, 40, 0.14);
            --shadow-xl: 0 16px 48px rgba(45, 26, 40, 0.18);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --radius-xl: 28px;
            --radius-pill: 999px;
            --font-base: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-base);
            background-color: var(--bg-warm);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-bottom: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--primary);
        }

        img {
            display: block;
            max-width: 100%;
            height: auto;
            object-fit: cover;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER ========== */
        .site-header {
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 10px 0;
            flex-wrap: nowrap;
        }
        .brand-logo {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }
        .brand-logo:hover {
            opacity: 0.82;
            color: transparent;
        }
        .nav-search-wrap {
            flex: 1;
            min-width: 0;
            display: flex;
            justify-content: center;
            position: relative;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-warm);
            border: 2px solid var(--border-soft);
            border-radius: var(--radius-pill);
            padding: 8px 16px;
            gap: 10px;
            width: 100%;
            max-width: 380px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 90, 60, 0.15);
            background: #fff;
        }
        .nav-search i {
            color: var(--text-muted);
            font-size: 0.95rem;
            flex-shrink: 0;
        }
        .nav-search input {
            flex: 1;
            min-width: 0;
            background: transparent;
            border: none;
            font-size: 0.92rem;
            color: var(--text-main);
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-category-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .nav-category-links a {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-body);
            padding: 6px 11px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }
        .nav-category-links a:hover {
            color: var(--primary);
            background: rgba(255, 90, 60, 0.08);
        }
        .nav-category-links a.active {
            color: #fff;
            background: var(--gradient-cta);
            box-shadow: 0 4px 12px rgba(255, 90, 60, 0.25);
        }
        .btn-nav-cta {
            background: var(--gradient-cta);
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            transition: all var(--transition-base);
            box-shadow: 0 4px 12px rgba(255, 90, 60, 0.25);
        }
        .btn-nav-cta:hover {
            box-shadow: 0 6px 18px rgba(255, 90, 60, 0.4);
            transform: translateY(-1px);
            color: #fff;
        }
        .navbar-toggler-custom {
            display: none;
            font-size: 1.3rem;
            color: var(--text-main);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .navbar-toggler-custom:hover {
            background: var(--bg-warm);
        }
        .mobile-nav-collapse {
            display: none;
            border-top: 1px solid var(--border-soft);
            padding: 12px 0;
            background: #fff;
        }
        .mobile-nav-collapse .nav-search {
            max-width: 100%;
            margin-bottom: 10px;
        }
        .mobile-nav-collapse .nav-category-links {
            flex-wrap: wrap;
            gap: 4px;
        }

        /* ========== SECTION SHARED ========== */
        .section-block {
            padding: 64px 0;
        }
        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 90, 60, 0.1);
            color: var(--primary);
            font-weight: 700;
            font-size: 0.78rem;
            letter-spacing: 0.5px;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-body);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .text-gradient {
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .card-base {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
        }
        .card-base:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border-warm);
        }
        .badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(255, 90, 60, 0.1);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.72rem;
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
        }
        .badge-dark {
            background: var(--bg-dark);
            color: var(--text-light);
            font-weight: 600;
            font-size: 0.72rem;
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
        }
        .badge-count {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: #fff;
            color: var(--text-main);
            font-weight: 700;
            font-size: 0.75rem;
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-soft);
            white-space: nowrap;
        }
        .btn-primary-custom {
            background: var(--gradient-cta);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            transition: all var(--transition-base);
            box-shadow: 0 6px 18px rgba(255, 90, 60, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: none;
        }
        .btn-primary-custom:hover {
            box-shadow: 0 10px 26px rgba(255, 90, 60, 0.42);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-primary-custom:focus {
            box-shadow: 0 0 0 3px rgba(255, 90, 60, 0.3);
            outline: none;
        }
        .btn-primary-custom:active {
            transform: translateY(1px);
            box-shadow: 0 3px 10px rgba(255, 90, 60, 0.25);
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--primary);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            border: 2px solid var(--primary);
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-custom:hover {
            background: rgba(255, 90, 60, 0.08);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-outline-custom:focus {
            box-shadow: 0 0 0 3px rgba(255, 90, 60, 0.2);
            outline: none;
        }

        /* ========== HERO BANNER ========== */
        .trends-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding: 80px 0 70px;
            overflow: hidden;
        }
        .trends-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31, 24, 48, 0.92) 0%, rgba(45, 27, 105, 0.78) 45%, rgba(255, 90, 60, 0.55) 100%);
            z-index: 1;
        }
        .trends-hero-content {
            position: relative;
            z-index: 2;
            color: var(--text-light);
        }
        .trends-hero .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: rgba(245, 242, 236, 0.75);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .trends-hero .breadcrumb-custom a {
            color: rgba(245, 242, 236, 0.85);
            transition: color var(--transition-fast);
        }
        .trends-hero .breadcrumb-custom a:hover {
            color: #fff;
        }
        .trends-hero .breadcrumb-custom span.separator {
            color: rgba(245, 242, 236, 0.5);
        }
        .trends-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            letter-spacing: -1px;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .trends-hero .hero-desc {
            font-size: 1.1rem;
            color: rgba(245, 242, 236, 0.88);
            max-width: 650px;
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .trends-hero .hero-stats {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-md);
            padding: 14px 20px;
            min-width: 110px;
        }
        .hero-stat-item .stat-number {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stat-item .stat-label {
            font-size: 0.78rem;
            color: rgba(245, 242, 236, 0.7);
            margin-top: 2px;
        }

        /* ========== TAG CLOUD ========== */
        .tag-cloud-panel {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-md);
            padding: 18px 20px;
            position: relative;
            z-index: 3;
            margin-top: -32px;
        }
        .tag-cloud-panel .tag-cloud-label {
            font-weight: 700;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-chip {
            background: var(--bg-warm);
            border: 1px solid var(--border-soft);
            color: var(--text-body);
            font-size: 0.82rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            transition: all var(--transition-fast);
            cursor: default;
        }
        .tag-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(255, 90, 60, 0.06);
        }
        .tag-chip.tag-hot {
            background: var(--gradient-cta);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 12px rgba(255, 90, 60, 0.25);
        }
        .tag-chip.tag-new {
            background: rgba(255, 184, 0, 0.15);
            border-color: rgba(255, 184, 0, 0.5);
            color: #B8860B;
        }

        /* ========== TIMELINE ========== */
        .timeline-section {
            background: #F2EDE7;
            padding: 64px 0;
        }
        .timeline-grid {
            display: grid;
            grid-template-columns: 70px 1fr;
            gap: 20px;
            position: relative;
        }
        .timeline-axis {
            position: relative;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .timeline-axis::before {
            content: '';
            position: absolute;
            top: 20px;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            width: 3px;
            background: linear-gradient(180deg, var(--primary) 0%, var(--secondary-mid) 100%);
            border-radius: var(--radius-pill);
        }
        .timeline-dot {
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: #fff;
            border: 3px solid var(--primary);
            position: relative;
            z-index: 2;
            margin-top: 18px;
            flex-shrink: 0;
            box-shadow: 0 0 0 4px rgba(255, 90, 60, 0.15);
        }
        .timeline-dot.dot-secondary {
            border-color: var(--secondary-mid);
            box-shadow: 0 0 0 4px rgba(91, 63, 168, 0.15);
        }
        .timeline-dot.dot-accent {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(255, 184, 0, 0.18);
        }
        .timeline-dot.dot-dark {
            border-color: var(--bg-dark);
            box-shadow: 0 0 0 4px rgba(31, 24, 48, 0.12);
        }
        .timeline-cards {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .timeline-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            padding: 22px 24px;
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
            position: relative;
        }
        .timeline-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--border-warm);
        }
        .timeline-card .card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .timeline-card .timestamp {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 600;
        }
        .timeline-card .timestamp i {
            font-size: 0.85rem;
        }
        .timeline-card .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .timeline-card .card-summary {
            font-size: 0.92rem;
            color: var(--text-body);
            line-height: 1.65;
            margin-bottom: 14px;
        }
        .timeline-card .card-metrics {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            padding-top: 12px;
            border-top: 1px solid var(--border-soft);
        }
        .metric-item {
            display: flex;
            align-items: center;
            gap: 5px;
            font-size: 0.78rem;
            color: var(--text-muted);
            font-weight: 600;
        }
        .metric-item i {
            font-size: 0.8rem;
            color: var(--primary);
        }
        .metric-item.mentions i {
            color: var(--secondary-mid);
        }
        .metric-item.engagement i {
            color: var(--accent);
        }
        .timeline-card .cover-thumb {
            width: 100%;
            height: 160px;
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 14px;
            background: var(--bg-warm);
        }
        .timeline-card .cover-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .timeline-card:hover .cover-thumb img {
            transform: scale(1.04);
        }

        /* ========== TREND INSIGHT ========== */
        .trend-insight-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .insight-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            padding: 22px 20px;
            text-align: center;
            transition: all var(--transition-base);
        }
        .insight-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .insight-card .insight-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 12px;
            background: rgba(255, 90, 60, 0.1);
            color: var(--primary);
        }
        .insight-card:nth-child(2) .insight-icon {
            background: rgba(91, 63, 168, 0.1);
            color: var(--secondary-mid);
        }
        .insight-card:nth-child(3) .insight-icon {
            background: rgba(255, 184, 0, 0.15);
            color: #B8860B;
        }
        .insight-card h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .insight-card p {
            font-size: 0.85rem;
            color: var(--text-body);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-warm);
            padding: 64px 0;
        }
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-card);
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-weight: 700;
            font-size: 0.98rem;
            color: var(--text-main);
            padding: 18px 22px;
            background: var(--bg-card);
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-base);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(255, 90, 60, 0.06);
            color: var(--primary);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(255, 90, 60, 0.15);
            border-color: var(--primary);
        }
        .faq-accordion .accordion-button::after {
            filter: grayscale(1) sepia(1) hue-rotate(-50deg) saturate(4);
        }
        .faq-accordion .accordion-body {
            padding: 16px 22px 20px;
            color: var(--text-body);
            font-size: 0.9rem;
            line-height: 1.7;
            border-top: 1px solid var(--border-soft);
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--gradient-dark);
            padding: 64px 0;
            color: var(--text-light);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 20% 50%, rgba(255, 90, 60, 0.25) 0%, transparent 50%), radial-gradient(circle at 80% 50%, rgba(91, 63, 168, 0.35) 0%, transparent 45%);
            pointer-events: none;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-section h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-section p {
            color: rgba(245, 242, 236, 0.85);
            font-size: 1.02rem;
            margin-bottom: 24px;
            line-height: 1.7;
        }
        .cta-section .btn-cta-white {
            background: #fff;
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: var(--radius-pill);
            transition: all var(--transition-base);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: none;
        }
        .cta-section .btn-cta-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
            color: var(--primary-dark);
        }
        .cta-section .btn-cta-outline-light {
            background: transparent;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: var(--radius-pill);
            border: 2px solid rgba(255, 255, 255, 0.7);
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-section .btn-cta-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(245, 242, 236, 0.75);
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-size: 1.3rem;
            font-weight: 800;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 10px;
        }
        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(245, 242, 236, 0.6);
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul a {
            font-size: 0.85rem;
            color: rgba(245, 242, 236, 0.6);
            transition: color var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(245, 242, 236, 0.12);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            font-size: 0.78rem;
            color: rgba(245, 242, 236, 0.5);
        }
        .fb-links {
            display: flex;
            gap: 8px;
            align-items: center;
        }
        .fb-links a {
            color: rgba(245, 242, 236, 0.5);
            transition: color var(--transition-fast);
        }
        .fb-links a:hover {
            color: var(--primary-light);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 992px) {
            .nav-category-links {
                display: none;
            }
            .navbar-toggler-custom {
                display: inline-flex;
            }
            .mobile-nav-collapse.show {
                display: block;
            }
            .trends-hero h1 {
                font-size: 2rem;
            }
            .trend-insight-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .timeline-grid {
                grid-template-columns: 50px 1fr;
                gap: 14px;
            }
            .timeline-axis::before {
                left: 24px;
            }
            .timeline-dot {
                margin-left: 15px;
            }
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
            .section-block,
            .timeline-section,
            .faq-section,
            .cta-section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .trends-hero {
                padding: 56px 0 50px;
            }
            .trends-hero h1 {
                font-size: 1.6rem;
            }
            .trends-hero .hero-desc {
                font-size: 0.95rem;
            }
            .hero-stat-item {
                padding: 10px 14px;
                min-width: 80px;
            }
            .hero-stat-item .stat-number {
                font-size: 1.2rem;
            }
            .tag-cloud-panel {
                margin-top: -20px;
                padding: 14px 16px;
            }
            .timeline-grid {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .timeline-axis {
                display: none;
            }
            .timeline-card {
                padding: 16px 18px;
            }
            .timeline-card .cover-thumb {
                height: 120px;
            }
            .trend-insight-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .header-inner {
                gap: 10px;
                padding: 8px 0;
            }
            .brand-logo {
                font-size: 1.15rem;
            }
            .nav-search {
                padding: 6px 12px;
                gap: 6px;
            }
            .nav-search input {
                font-size: 0.85rem;
            }
            .btn-nav-cta {
                padding: 6px 12px;
                font-size: 0.78rem;
            }
            .trends-hero .hero-stats {
                gap: 10px;
            }
            .timeline-card .card-title {
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            html {
                font-size: 14px;
            }
            .container-custom {
                padding: 0 12px;
            }
            .trends-hero h1 {
                font-size: 1.4rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .btn-primary-custom,
            .btn-outline-custom {
                padding: 10px 20px;
                font-size: 0.88rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .timeline-card .card-metrics {
                gap: 8px;
            }
            .metric-item {
                font-size: 0.72rem;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #FF5A3C;
            --primary-dark: #E63E2F;
            --primary-light: #FF8A6B;
            --secondary: #2D1B69;
            --secondary-mid: #5B3FA8;
            --accent: #FFB800;
            --bg-warm: #F7F3EE;
            --bg-card: #FFFFFF;
            --bg-dark: #1F1830;
            --text-main: #2D2A26;
            --text-body: #5A564F;
            --text-muted: #8A857D;
            --text-light: #F5F2EC;
            --border-soft: #E8E2D8;
            --border-warm: #F0D9CD;
            --gradient-brand: linear-gradient(135deg, #FF5A3C 0%, #C73E8A 50%, #2D1B69 100%);
            --gradient-cta: linear-gradient(135deg, #FF6B45 0%, #C73E8A 55%, #5B3FA8 100%);
            --gradient-card-warm: linear-gradient(145deg, #FFF9F5 0%, #FFF0E8 100%);
            --shadow-sm: 0 2px 8px rgba(45, 26, 40, 0.06);
            --shadow-md: 0 4px 16px rgba(45, 26, 40, 0.08);
            --shadow-lg: 0 8px 28px rgba(45, 26, 40, 0.14);
            --shadow-xl: 0 16px 48px rgba(45, 26, 40, 0.18);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --radius-xl: 28px;
            --radius-pill: 999px;
            --font-base: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-base);
            background-color: var(--bg-warm);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary);
        }

        img {
            display: block;
            max-width: 100%;
            height: auto;
            object-fit: cover;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER ========== */
        .site-header {
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 10px 0;
            flex-wrap: nowrap;
        }
        .brand-logo {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }
        .brand-logo:hover {
            opacity: 0.82;
            color: transparent;
        }
        .nav-search-wrap {
            flex: 1;
            min-width: 0;
            display: flex;
            justify-content: center;
            position: relative;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-warm);
            border: 2px solid var(--border-soft);
            border-radius: var(--radius-pill);
            padding: 8px 16px;
            gap: 10px;
            width: 100%;
            max-width: 380px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 90, 60, 0.15);
            background: #fff;
        }
        .nav-search i {
            color: var(--text-muted);
            font-size: 0.95rem;
            flex-shrink: 0;
        }
        .nav-search input {
            flex: 1;
            min-width: 0;
            background: transparent;
            border: none;
            font-size: 0.92rem;
            color: var(--text-main);
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-category-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-category-links a {
            padding: 6px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-body);
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .nav-category-links a:hover {
            color: var(--primary);
            background: rgba(255, 90, 60, 0.08);
        }
        .nav-category-links a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(255, 90, 60, 0.25);
        }
        .btn-nav-cta {
            background: var(--gradient-cta);
            color: #fff;
            font-weight: 600;
            font-size: 0.88rem;
            padding: 10px 20px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            transition: all var(--transition-base);
            box-shadow: 0 4px 14px rgba(255, 90, 60, 0.28);
        }
        .btn-nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(255, 90, 60, 0.38);
            color: #fff;
        }
        .btn-nav-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 90, 60, 0.2);
        }
        .navbar-toggler-custom {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--bg-warm);
            color: var(--text-main);
            font-size: 1.15rem;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-soft);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .navbar-toggler-custom:hover {
            background: rgba(255, 90, 60, 0.1);
            color: var(--primary);
        }
        .mobile-nav-collapse {
            display: none;
            background: #fff;
            border-top: 1px solid var(--border-soft);
            padding: 12px 0;
            box-shadow: var(--shadow-md);
        }
        .mobile-nav-collapse.show {
            display: block;
        }
        .mobile-nav-collapse .nav-search {
            max-width: 100%;
            margin-bottom: 10px;
        }
        .mobile-nav-collapse .nav-category-links {
            flex-direction: column;
            align-items: stretch;
            gap: 4px;
        }
        .mobile-nav-collapse .nav-category-links a {
            padding: 10px 14px;
            font-size: 0.95rem;
            border-radius: 10px;
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            min-height: 280px;
            display: flex;
            align-items: center;
            border-radius: 0 0 var(--radius-xl) var(--radius-xl);
            overflow: hidden;
            margin-bottom: 32px;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(45, 27, 105, 0.88) 0%, rgba(199, 62, 138, 0.78) 50%, rgba(255, 90, 60, 0.7) 100%);
            z-index: 1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            padding: 48px 0;
            width: 100%;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(245, 242, 236, 0.75);
            margin-bottom: 14px;
        }
        .breadcrumb-custom a {
            color: rgba(245, 242, 236, 0.85);
        }
        .breadcrumb-custom a:hover {
            color: #fff;
        }
        .breadcrumb-custom .sep {
            font-size: 0.7rem;
            opacity: 0.6;
        }
        .banner-content h1 {
            font-size: 2.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
            line-height: 1.25;
        }
        .banner-content p {
            color: rgba(245, 242, 236, 0.88);
            font-size: 1.05rem;
            max-width: 680px;
            margin-bottom: 0;
        }
        .banner-stats {
            display: flex;
            gap: 22px;
            flex-wrap: wrap;
            margin-top: 20px;
        }
        .banner-stat-item {
            background: rgba(255, 255, 255, 0.14);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: var(--radius-md);
            padding: 12px 20px;
            color: #fff;
            min-width: 140px;
        }
        .banner-stat-item .stat-num {
            font-size: 1.4rem;
            font-weight: 800;
            display: block;
            line-height: 1.2;
        }
        .banner-stat-item .stat-label {
            font-size: 0.82rem;
            color: rgba(245, 242, 236, 0.75);
        }

        /* ========== RANKING TABS ========== */
        .ranking-tabs-section {
            padding: 0 0 48px;
        }
        .ranking-tabs-nav {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .ranking-tabs-nav .rank-tab-btn {
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--text-body);
            background: #fff;
            border: 1.5px solid var(--border-soft);
            transition: all var(--transition-base);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .ranking-tabs-nav .rank-tab-btn:hover {
            border-color: var(--primary-light);
            color: var(--primary);
        }
        .ranking-tabs-nav .rank-tab-btn.active {
            background: var(--gradient-brand);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 6px 18px rgba(255, 90, 60, 0.3);
        }
        .rank-tab-btn .tab-icon {
            font-size: 0.9rem;
        }

        /* ========== RANKING LIST ========== */
        .ranking-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            padding: 18px 20px;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .ranking-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--border-warm);
            transform: translateY(-2px);
        }
        .ranking-card .rank-num {
            font-size: 1.6rem;
            font-weight: 800;
            min-width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            flex-shrink: 0;
            letter-spacing: -0.5px;
        }
        .rank-num.rank-1 {
            background: linear-gradient(135deg, #FFD700, #FFB800);
            color: #fff;
            box-shadow: 0 4px 14px rgba(255, 184, 0, 0.35);
        }
        .rank-num.rank-2 {
            background: linear-gradient(135deg, #CFD8DC, #90A4AE);
            color: #fff;
            box-shadow: 0 4px 12px rgba(144, 164, 174, 0.3);
        }
        .rank-num.rank-3 {
            background: linear-gradient(135deg, #D7A86E, #B87333);
            color: #fff;
            box-shadow: 0 4px 12px rgba(184, 115, 51, 0.3);
        }
        .rank-num.rank-normal {
            background: var(--bg-warm);
            color: var(--text-body);
            border: 1.5px solid var(--border-soft);
        }
        .rank-card-img {
            width: 72px;
            height: 72px;
            border-radius: 14px;
            overflow: hidden;
            flex-shrink: 0;
            background: #eee;
        }
        .rank-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .rank-card-body {
            flex: 1;
            min-width: 0;
        }
        .rank-card-title {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
            line-height: 1.35;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .rank-card-desc {
            font-size: 0.86rem;
            color: var(--text-body);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .rank-meta-row {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .rank-data-bar {
            width: 160px;
            height: 6px;
            background: #F0EBE3;
            border-radius: var(--radius-pill);
            overflow: hidden;
            flex-shrink: 0;
        }
        .rank-data-bar .bar-fill {
            height: 100%;
            border-radius: var(--radius-pill);
            background: var(--gradient-brand);
            transition: width var(--transition-slow);
        }
        .trend-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            font-weight: 700;
        }
        .trend-up {
            background: rgba(46, 204, 113, 0.12);
            color: #27AE60;
        }
        .trend-down {
            background: rgba(231, 76, 60, 0.12);
            color: #E74C3C;
        }
        .trend-flat {
            background: rgba(142, 142, 147, 0.12);
            color: #8E8E93;
        }
        .rank-badge {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(255, 90, 60, 0.1);
            color: var(--primary);
        }
        .rank-card-cta {
            flex-shrink: 0;
        }
        .btn-rank-view {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .btn-rank-view:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(255, 90, 60, 0.3);
        }

        /* ========== COMPARE SECTION ========== */
        .compare-section {
            padding: 48px 0;
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-soft);
            margin-bottom: 48px;
        }
        .compare-section .section-heading {
            margin-bottom: 24px;
        }
        .section-heading .section-icon {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 8px;
            display: block;
        }
        .section-heading h2 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .section-heading p {
            color: var(--text-body);
            font-size: 0.95rem;
            margin-bottom: 0;
        }
        .compare-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .compare-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            min-width: 760px;
        }
        .compare-table th {
            background: var(--bg-warm);
            padding: 14px 18px;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--text-main);
            text-align: left;
            border-bottom: 2px solid var(--border-warm);
            white-space: nowrap;
        }
        .compare-table td {
            padding: 14px 18px;
            font-size: 0.88rem;
            color: var(--text-body);
            border-bottom: 1px solid var(--border-soft);
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .compare-table tr:hover td {
            background: rgba(255, 90, 60, 0.03);
        }
        .score-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            color: var(--primary);
        }
        .score-pill .score-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
        }

        /* ========== FEATURE STRIP ========== */
        .feature-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-bottom: 48px;
        }
        .feature-strip-item {
            background: var(--gradient-card-warm);
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            transition: all var(--transition-base);
        }
        .feature-strip-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .feature-strip-item .fi-icon {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 8px;
            display: block;
        }
        .feature-strip-item .fi-num {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--secondary);
            display: block;
            margin-bottom: 4px;
        }
        .feature-strip-item .fi-label {
            font-size: 0.85rem;
            color: var(--text-body);
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 48px 0;
            margin-bottom: 48px;
        }
        .faq-section .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-section .accordion-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-section .accordion-button {
            font-weight: 700;
            font-size: 0.96rem;
            color: var(--text-main);
            padding: 16px 20px;
            background: var(--bg-card);
            transition: all var(--transition-fast);
            border-radius: var(--radius-md) !important;
        }
        .faq-section .accordion-button:not(.collapsed) {
            background: rgba(255, 90, 60, 0.06);
            color: var(--primary);
            box-shadow: none;
        }
        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(255, 90, 60, 0.15);
            border: none;
        }
        .faq-section .accordion-body {
            font-size: 0.9rem;
            color: var(--text-body);
            padding: 16px 20px;
            line-height: 1.75;
        }

        /* ========== CTA BAR ========== */
        .cta-fixed-bar {
            position: fixed;
            bottom: 16px;
            right: 16px;
            z-index: 1030;
            background: var(--bg-dark);
            color: var(--text-light);
            border-radius: var(--radius-lg);
            padding: 16px 22px;
            display: flex;
            align-items: center;
            gap: 14px;
            box-shadow: var(--shadow-xl);
            max-width: 460px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: all var(--transition-base);
        }
        .cta-fixed-bar:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 56px rgba(31, 24, 48, 0.35);
        }
        .cta-fixed-bar .cta-text {
            flex: 1;
            font-size: 0.88rem;
            line-height: 1.4;
        }
        .cta-fixed-bar .cta-text strong {
            display: block;
            font-size: 0.95rem;
            color: #fff;
        }
        .btn-cta-bar {
            background: var(--gradient-cta);
            color: #fff;
            font-weight: 700;
            font-size: 0.88rem;
            padding: 10px 18px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            transition: all var(--transition-base);
            box-shadow: 0 4px 14px rgba(255, 90, 60, 0.35);
        }
        .btn-cta-bar:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(255, 90, 60, 0.5);
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-light);
            padding: 48px 0 20px;
            margin-top: 48px;
            border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 28px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-size: 1.35rem;
            font-weight: 800;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 10px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: rgba(245, 242, 236, 0.65);
            line-height: 1.6;
            margin-bottom: 0;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(245, 242, 236, 0.65);
            transition: all var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(245, 242, 236, 0.12);
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(245, 242, 236, 0.5);
            align-items: center;
            justify-content: space-between;
        }
        .fb-links {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .fb-links a {
            color: rgba(245, 242, 236, 0.6);
            font-size: 0.8rem;
        }
        .fb-links a:hover {
            color: var(--primary-light);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 991px) {
            .nav-category-links {
                display: none;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .btn-nav-cta {
                display: none;
            }
            .banner-content h1 {
                font-size: 1.9rem;
            }
            .feature-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .ranking-card {
                flex-wrap: wrap;
                gap: 12px;
            }
            .rank-card-cta {
                width: 100%;
                display: flex;
                justify-content: flex-end;
            }
        }
        @media (max-width: 767px) {
            .container-custom {
                padding: 0 16px;
            }
            .header-inner {
                gap: 10px;
            }
            .nav-search-wrap {
                flex-shrink: 1;
            }
            .nav-search {
                padding: 6px 12px;
                max-width: 220px;
            }
            .brand-logo {
                font-size: 1.15rem;
            }
            .banner-content h1 {
                font-size: 1.6rem;
            }
            .banner-content p {
                font-size: 0.92rem;
            }
            .banner-stats {
                gap: 10px;
            }
            .banner-stat-item {
                padding: 10px 14px;
                min-width: 100px;
            }
            .banner-stat-item .stat-num {
                font-size: 1.15rem;
            }
            .ranking-tabs-nav .rank-tab-btn {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
            .ranking-card {
                padding: 14px 16px;
            }
            .rank-card-img {
                width: 56px;
                height: 56px;
                border-radius: 10px;
            }
            .rank-num {
                min-width: 44px;
                height: 44px;
                font-size: 1.3rem;
                border-radius: 10px;
            }
            .rank-card-title {
                font-size: 0.92rem;
            }
            .rank-data-bar {
                width: 100px;
            }
            .feature-strip {
                grid-template-columns: 1fr;
            }
            .cta-fixed-bar {
                left: 12px;
                right: 12px;
                bottom: 12px;
                max-width: none;
                padding: 12px 16px;
                border-radius: var(--radius-md);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .compare-section {
                padding: 28px 16px;
            }
            .section-heading h2 {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 520px) {
            html {
                font-size: 14px;
            }
            .container-custom {
                padding: 0 12px;
            }
            .nav-search {
                max-width: 160px;
                padding: 5px 10px;
            }
            .nav-search input {
                font-size: 0.8rem;
            }
            .brand-logo {
                font-size: 1rem;
            }
            .banner-content h1 {
                font-size: 1.4rem;
            }
            .ranking-card {
                flex-direction: column;
                align-items: flex-start;
            }
            .rank-card-img {
                width: 100%;
                height: 140px;
                border-radius: 12px;
            }
            .rank-num {
                position: absolute;
                top: 12px;
                left: 12px;
                background: rgba(255, 255, 255, 0.9);
                min-width: 40px;
                height: 40px;
                font-size: 1.1rem;
                border-radius: 10px;
            }
            .rank-1,
            .rank-2,
            .rank-3 {
                background: rgba(255, 255, 255, 0.9) !important;
            }
            .rank-1 {
                color: #FFB800 !important;
            }
            .rank-2 {
                color: #90A4AE !important;
            }
            .rank-3 {
                color: #B87333 !important;
            }
            .rank-normal {
                background: rgba(255, 255, 255, 0.9) !important;
                color: var(--text-body) !important;
            }
            .rank-card-cta {
                width: 100%;
                justify-content: stretch;
            }
            .btn-rank-view {
                width: 100%;
                text-align: center;
            }
            .cta-fixed-bar {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
            }
            .btn-cta-bar {
                width: 100%;
                text-align: center;
            }
        }