/* roulang page: index */
:root {
            --color-primary: #c8963e;
            --color-primary-dark: #a87a2f;
            --color-primary-light: #e0b06a;
            --color-accent: #33455c;
            --color-accent-dark: #1a2332;
            --color-bg: #fafaf8;
            --color-surface: #ffffff;
            --color-text: #2c2c2c;
            --color-text-weak: #6b7280;
            --color-text-muted: #9ca3af;
            --color-border: #e8e6e0;
            --color-border-light: #f0efe9;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 8px 36px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 56px rgba(0, 0, 0, 0.13);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: 'PingFang SC', 'Noto Sans SC', 'Helvetica Neue', Arial, 'Microsoft YaHei', sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }
        :focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        @media (min-width: 640px) {
            .container-custom {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        @media (min-width: 1280px) {
            .container-custom {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 4rem;
            gap: 1rem;
        }
        @media (min-width: 768px) {
            .header-inner {
                height: 4.5rem;
                gap: 1.5rem;
            }
        }
        .logo-wrapper {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 2.5rem;
            height: 2.5rem;
            background: linear-gradient(135deg, #c8963e 0%, #d4a853 40%, #e8c97a 100%);
            border-radius: 0.65rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.25rem;
            color: #fff;
            box-shadow: 0 3px 12px rgba(200, 150, 62, 0.3);
            flex-shrink: 0;
        }
        @media (min-width: 768px) {
            .logo-icon {
                width: 2.75rem;
                height: 2.75rem;
                font-size: 1.35rem;
                border-radius: 0.75rem;
            }
        }
        .logo-text {
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: 0.02em;
            color: #2c2c2c;
            white-space: nowrap;
        }
        @media (min-width: 768px) {
            .logo-text {
                font-size: 1.4rem;
            }
        }
        .logo-text span {
            color: var(--color-primary);
        }
        .nav-links {
            display: none;
            list-style: none;
            align-items: center;
            gap: 0.15rem;
            flex-wrap: nowrap;
        }
        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.85rem;
            border-radius: 0.5rem;
            font-size: 0.925rem;
            font-weight: 500;
            color: #4a4a4a;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
        }
        .nav-links a:hover {
            color: var(--color-primary);
            background: #fdf8f0;
        }
        .nav-links a.active-nav {
            color: var(--color-primary);
            background: #fdf6ed;
            font-weight: 600;
        }
        .header-actions {
            display: none;
            align-items: center;
            gap: 0.6rem;
            flex-shrink: 0;
        }
        @media (min-width: 768px) {
            .header-actions {
                display: flex;
            }
        }
        .btn-outline-sm {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.45rem 1rem;
            font-size: 0.85rem;
            font-weight: 500;
            border-radius: 0.5rem;
            border: 1.5px solid #d1cbb8;
            color: #5a5040;
            background: transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-outline-sm:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: #fefdfb;
        }
        .btn-primary-sm {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.45rem 1.1rem;
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: 0.5rem;
            background: linear-gradient(135deg, #c8963e 0%, #d4a853 100%);
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(200, 150, 62, 0.25);
        }
        .btn-primary-sm:hover {
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.4);
            transform: translateY(-1px);
            color: #fff;
        }
        .mobile-menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 2.5rem;
            height: 2.5rem;
            border-radius: 0.5rem;
            background: transparent;
            border: 1.5px solid #e8e6e0;
            color: #4a4a4a;
            font-size: 1.2rem;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .mobile-menu-toggle:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        @media (min-width: 1024px) {
            .mobile-menu-toggle {
                display: none;
            }
        }
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 4rem;
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 99;
            padding: 1.5rem;
            overflow-y: auto;
            flex-direction: column;
            gap: 0.3rem;
            border-top: 1px solid var(--color-border-light);
        }
        .mobile-nav-panel.open {
            display: flex;
        }
        @media (min-width: 1024px) {
            .mobile-nav-panel.open {
                display: none;
            }
        }
        .mobile-nav-panel a {
            display: block;
            padding: 0.85rem 1rem;
            border-radius: 0.6rem;
            font-size: 1rem;
            font-weight: 500;
            color: #3a3a3a;
            transition: all var(--transition-fast);
        }
        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active-nav {
            background: #fdf6ed;
            color: var(--color-primary);
            font-weight: 600;
        }
        .mobile-nav-panel .mobile-actions {
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
            margin-top: 1rem;
            padding-top: 1rem;
            border-top: 1px solid var(--color-border-light);
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            background: linear-gradient(160deg, #1a2332 0%, #2d3b4e 35%, #1e2a3a 70%, #1a2332 100%);
            overflow: hidden;
        }
        @media (min-width: 768px) {
            .hero-section {
                min-height: 620px;
            }
        }
        @media (min-width: 1024px) {
            .hero-section {
                min-height: 680px;
            }
        }
        .hero-bg-img {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(26, 35, 50, 0.4) 0%, rgba(26, 35, 50, 0.85) 70%, rgba(20, 28, 40, 0.95) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 3rem 0;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            background: rgba(200, 150, 62, 0.18);
            border: 1px solid rgba(200, 150, 62, 0.35);
            color: #e8c97a;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.03em;
            margin-bottom: 1.25rem;
        }
        .hero-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            letter-spacing: 0.02em;
            margin-bottom: 1rem;
        }
        @media (min-width: 640px) {
            .hero-title {
                font-size: 2.8rem;
            }
        }
        @media (min-width: 1024px) {
            .hero-title {
                font-size: 3.4rem;
                max-width: 700px;
            }
        }
        .hero-title .highlight {
            color: #e0b06a;
            position: relative;
        }
        .hero-desc {
            font-size: 1.05rem;
            color: #c5cdd8;
            line-height: 1.8;
            max-width: 580px;
            margin-bottom: 1.75rem;
        }
        @media (min-width: 768px) {
            .hero-desc {
                font-size: 1.1rem;
                max-width: 600px;
            }
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 2rem;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 0.6rem;
            background: linear-gradient(135deg, #c8963e 0%, #d4a853 100%);
            color: #fff;
            transition: all var(--transition-base);
            box-shadow: 0 4px 18px rgba(200, 150, 62, 0.35);
            letter-spacing: 0.02em;
        }
        .btn-hero-primary:hover {
            box-shadow: 0 8px 30px rgba(200, 150, 62, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 2rem;
            font-size: 1rem;
            font-weight: 500;
            border-radius: 0.6rem;
            border: 2px solid rgba(255, 255, 255, 0.45);
            color: #fff;
            background: transparent;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
        }
        .btn-hero-outline:hover {
            border-color: #e0b06a;
            color: #e0b06a;
            background: rgba(255, 255, 255, 0.04);
        }
        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }
        @media (min-width: 640px) {
            .hero-stats-row {
                gap: 2.5rem;
            }
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 0.2rem;
        }
        .hero-stat-num {
            font-size: 1.6rem;
            font-weight: 700;
            color: #e0b06a;
            letter-spacing: 0.02em;
        }
        @media (min-width: 640px) {
            .hero-stat-num {
                font-size: 1.9rem;
            }
        }
        .hero-stat-label {
            font-size: 0.8rem;
            color: #99a5b5;
            letter-spacing: 0.04em;
        }

        /* Section Common */
        .section-pad {
            padding: 3.5rem 0;
        }
        @media (min-width: 768px) {
            .section-pad {
                padding: 5rem 0;
            }
        }
        @media (min-width: 1024px) {
            .section-pad {
                padding: 6rem 0;
            }
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--color-primary);
            text-transform: uppercase;
            margin-bottom: 0.5rem;
        }
        .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: #1f1f1f;
            letter-spacing: 0.02em;
            margin-bottom: 0.75rem;
            line-height: 1.3;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 2rem;
            }
        }
        @media (min-width: 1024px) {
            .section-title {
                font-size: 2.25rem;
            }
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-weak);
            line-height: 1.7;
            max-width: 600px;
        }
        @media (min-width: 768px) {
            .section-subtitle {
                font-size: 1rem;
                max-width: 640px;
            }
        }

        /* Stats Cards */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }
        @media (min-width: 640px) {
            .stats-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 1.25rem;
            }
        }
        @media (min-width: 1024px) {
            .stats-grid {
                gap: 1.5rem;
            }
        }
        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.5rem 1.25rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: #e8d5b0;
        }
        .stat-card .stat-icon {
            width: 3rem;
            height: 3rem;
            border-radius: 0.75rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 0.75rem;
            background: #fdf6ed;
            color: var(--color-primary);
        }
        .stat-card .stat-number {
            font-size: 1.8rem;
            font-weight: 700;
            color: #1f1f1f;
            letter-spacing: 0.02em;
        }
        @media (min-width: 768px) {
            .stat-card .stat-number {
                font-size: 2.1rem;
            }
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            margin-top: 0.25rem;
        }

        /* Feature Cards */
        .feature-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }
        @media (min-width: 640px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 1.75rem;
            }
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.75rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: #e8d5b0;
        }
        .feature-card .feat-icon-wrap {
            width: 3.25rem;
            height: 3.25rem;
            border-radius: 0.85rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            background: linear-gradient(135deg, #fdf6ed 0%, #faf0e0 100%);
            color: var(--color-primary);
            flex-shrink: 0;
        }
        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #1f1f1f;
            letter-spacing: 0.015em;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.65;
        }

        /* Category Cards */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }
        @media (min-width: 640px) {
            .category-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 1.25rem;
            }
        }
        @media (min-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(6, 1fr);
                gap: 1.25rem;
            }
        }
        .category-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
            border-color: #e8d5b0;
        }
        .category-card .cat-img-wrap {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #f5f3ed;
        }
        .category-card .cat-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .category-card:hover .cat-img-wrap img {
            transform: scale(1.06);
        }
        .category-card .cat-info {
            padding: 1rem 1.1rem;
            display: flex;
            flex-direction: column;
            gap: 0.3rem;
        }
        .category-card .cat-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #1f1f1f;
            letter-spacing: 0.015em;
        }
        .category-card .cat-info .cat-count {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        /* Brand Story */
        .brand-story-block {
            display: flex;
            flex-direction: column;
            gap: 2rem;
            align-items: center;
        }
        @media (min-width: 768px) {
            .brand-story-block {
                flex-direction: row;
                gap: 3rem;
            }
        }
        .brand-story-img {
            flex-shrink: 0;
            width: 100%;
            max-width: 420px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        @media (min-width: 768px) {
            .brand-story-img {
                width: 40%;
                max-width: 440px;
            }
        }
        .brand-story-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4 / 3;
        }
        .brand-story-text {
            flex: 1;
        }
        .brand-story-text h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #1f1f1f;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }
        @media (min-width: 768px) {
            .brand-story-text h3 {
                font-size: 1.6rem;
            }
        }
        .brand-story-text p {
            font-size: 0.95rem;
            color: #4a4a4a;
            line-height: 1.85;
            margin-bottom: 0.75rem;
        }
        @media (min-width: 768px) {
            .brand-story-text p {
                font-size: 0.98rem;
            }
        }

        /* News Cards */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        @media (min-width: 768px) {
            .news-list {
                gap: 1.25rem;
            }
        }
        .news-item {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.25rem;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        @media (min-width: 640px) {
            .news-item {
                flex-direction: row;
                align-items: flex-start;
                gap: 1.25rem;
                padding: 1.25rem 1.5rem;
            }
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: #e8d5b0;
        }
        .news-item .news-thumb {
            width: 100%;
            max-width: 100%;
            aspect-ratio: 16 / 9;
            border-radius: 0.6rem;
            overflow: hidden;
            flex-shrink: 0;
            background: #f5f3ed;
        }
        @media (min-width: 640px) {
            .news-item .news-thumb {
                width: 160px;
                aspect-ratio: 4 / 3;
            }
        }
        .news-item .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-item .news-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
            min-width: 0;
        }
        .news-item .news-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            letter-spacing: 0.03em;
        }
        .news-item .news-title {
            font-size: 1rem;
            font-weight: 700;
            color: #1f1f1f;
            line-height: 1.4;
        }
        @media (min-width: 768px) {
            .news-item .news-title {
                font-size: 1.05rem;
            }
        }
        .news-item .news-excerpt {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            line-height: 1.6;
        }
        .news-item .news-link {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-top: 0.25rem;
            transition: all var(--transition-fast);
        }
        .news-item .news-link:hover {
            color: var(--color-primary-dark);
            gap: 0.5rem;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: #e0cfa0;
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.1rem 1.25rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: #1f1f1f;
            letter-spacing: 0.015em;
            gap: 1rem;
            user-select: none;
        }
        @media (min-width: 768px) {
            .faq-question {
                padding: 1.2rem 1.5rem;
                font-size: 1rem;
            }
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 2rem;
            height: 2rem;
            border-radius: 50%;
            background: #fdf6ed;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--color-primary);
            transition: transform var(--transition-base);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: #faf0e0;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
            padding: 0 1.25rem;
        }
        @media (min-width: 768px) {
            .faq-answer {
                padding: 0 1.5rem;
            }
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
        }
        .faq-answer-inner {
            padding-bottom: 1.1rem;
            font-size: 0.9rem;
            color: #4a4a4a;
            line-height: 1.75;
            border-top: 1px solid #f0efe9;
            padding-top: 0.75rem;
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }
        @media (min-width: 640px) {
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .testimonial-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            transition: all var(--transition-base);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .testimonial-card .testi-stars {
            color: #e0b06a;
            font-size: 0.9rem;
            letter-spacing: 0.1em;
        }
        .testimonial-card .testi-text {
            font-size: 0.9rem;
            color: #4a4a4a;
            line-height: 1.7;
            flex: 1;
        }
        .testimonial-card .testi-author {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            padding-top: 0.5rem;
            border-top: 1px solid #f5f3ed;
        }
        .testimonial-card .testi-avatar {
            width: 2.5rem;
            height: 2.5rem;
            border-radius: 50%;
            background: #fdf6ed;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-primary);
            font-size: 0.9rem;
        }
        .testimonial-card .testi-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: #1f1f1f;
        }
        .testimonial-card .testi-role {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(150deg, #1a2332 0%, #2d3b4e 50%, #1e2a3a 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(200, 150, 62, 0.12) 0%, transparent 60%);
            z-index: 0;
        }
        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .cta-content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            margin-bottom: 0.75rem;
        }
        @media (min-width: 768px) {
            .cta-content h2 {
                font-size: 2rem;
            }
        }
        .cta-content p {
            color: #c5cdd8;
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
            line-height: 1.7;
        }
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.9rem 2.5rem;
            font-size: 1.05rem;
            font-weight: 700;
            border-radius: 0.6rem;
            background: linear-gradient(135deg, #c8963e 0%, #d4a853 100%);
            color: #fff;
            transition: all var(--transition-base);
            box-shadow: 0 6px 24px rgba(200, 150, 62, 0.4);
            letter-spacing: 0.03em;
        }
        .btn-cta-large:hover {
            box-shadow: 0 10px 36px rgba(200, 150, 62, 0.55);
            transform: translateY(-3px);
            color: #fff;
        }

        /* Partners */
        .partners-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 1.5rem 2.5rem;
        }
        .partner-badge {
            font-size: 1rem;
            font-weight: 600;
            color: #8a8a8a;
            letter-spacing: 0.04em;
            padding: 0.6rem 1.2rem;
            border-radius: 0.5rem;
            background: #fff;
            border: 1px solid #e8e6e0;
        }
        @media (min-width: 768px) {
            .partner-badge {
                font-size: 1.1rem;
                padding: 0.7rem 1.5rem;
            }
        }

        /* Footer */
        .site-footer {
            background: #1a1a1a;
            color: #b0b0b0;
            padding: 3rem 0 1.5rem;
        }
        @media (min-width: 768px) {
            .site-footer {
                padding: 4rem 0 2rem;
            }
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 2.5rem;
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1.5fr;
                gap: 3rem;
            }
        }
        .footer-brand .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #e0b06a;
            letter-spacing: 0.03em;
            margin-bottom: 0.5rem;
        }
        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            color: #888;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #ccc;
            letter-spacing: 0.05em;
            margin-bottom: 1rem;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: #888;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #e0b06a;
        }
        .footer-bottom {
            border-top: 1px solid #2a2a2a;
            padding-top: 1.25rem;
            font-size: 0.8rem;
            color: #777;
            text-align: center;
        }

        /* Misc */
        .bg-warm-light {
            background-color: #fdf9f4;
        }
        .bg-surface {
            background-color: #fff;
        }
        .text-primary {
            color: var(--color-primary);
        }
        .divider {
            width: 100%;
            height: 1px;
            background: var(--color-border-light);
            margin: 0;
        }

/* roulang page: category2 */
:root {
            --brand-500: #f59e0b;
            --brand-600: #d97706;
            --brand-700: #b45309;
            --accent: #e8b830;
            --dark: #1a1a2e;
            --dark2: #16213e;
            --surface: #ffffff;
            --muted: #6b7280;
            --border-light: #e5e7eb;
            --text-primary: #1f2937;
            --text-secondary: #4b5563;
            --radius-lg: 0.875rem;
            --radius-xl: 1.125rem;
            --radius-2xl: 1.5rem;
            --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.10), 0 2px 6px rgba(0, 0, 0, 0.05);
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: #f9fafb;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input {
            font-family: inherit;
            outline: none;
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }

        @media (min-width: 640px) {
            .container-custom {
                padding: 0 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding: 0 2rem;
            }
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
            transition: var(--transition-base);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }

        @media (min-width: 640px) {
            .header-inner {
                padding: 0 1.5rem;
                height: 68px;
            }
        }
        @media (min-width: 1024px) {
            .header-inner {
                padding: 0 2rem;
                height: 72px;
            }
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #f59e0b, #e8b830);
            border-radius: 0.75rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: #1f2937;
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

        .logo-text span {
            color: #d97706;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            list-style: none;
            flex-wrap: wrap;
            justify-content: flex-end;
        }

        .nav-links li a {
            display: inline-block;
            padding: 0.45rem 0.85rem;
            border-radius: 0.5rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: #4b5563;
            white-space: nowrap;
            transition: var(--transition-base);
            position: relative;
        }

        .nav-links li a:hover {
            color: #d97706;
            background: #fffbeb;
        }

        .nav-links li a.active-nav {
            color: #d97706;
            background: #fffbeb;
            font-weight: 600;
        }

        .nav-links li a.active-nav::after {
            content: '';
            position: absolute;
            bottom: 0px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2.5px;
            background: #f59e0b;
            border-radius: 2px;
        }

        /* 移动端导航 */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
            color: #4b5563;
        }

        .mobile-toggle svg {
            width: 24px;
            height: 24px;
        }

        @media (max-width: 860px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 0.75rem 1.25rem;
                gap: 0.25rem;
                border-bottom: 1px solid var(--border-light);
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
                border-radius: 0 0 1rem 1rem;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                display: block;
                padding: 0.6rem 1rem;
                border-radius: 0.5rem;
                font-size: 0.95rem;
                text-align: center;
            }
            .nav-links li a.active-nav::after {
                display: none;
            }
        }

        /* ========== MAIN CONTENT ========== */
        .page-main {
            flex: 1;
        }

        /* ========== HERO ========== */
        .page-hero {
            position: relative;
            background: linear-gradient(170deg, #1a1a2e 0%, #16213e 40%, #1a2744 70%, #1a1a2e 100%);
            color: #fff;
            padding: 4rem 1.25rem 3.5rem;
            overflow: hidden;
            text-align: center;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, #f9fafb, transparent);
            z-index: 1;
        }

        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
        }

        .page-hero .hero-badge {
            display: inline-block;
            background: rgba(245, 158, 11, 0.2);
            border: 1px solid rgba(245, 158, 11, 0.35);
            color: #fbbf24;
            padding: 0.35rem 1rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 1.25rem;
            letter-spacing: 0.03em;
        }

        .page-hero h1 {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.25;
            margin-bottom: 1rem;
        }

        .page-hero h1 span {
            color: #fbbf24;
        }

        .page-hero .hero-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.8;
            max-width: 620px;
            margin: 0 auto 0.5rem;
        }

        @media (min-width: 640px) {
            .page-hero {
                padding: 5rem 1.5rem 4.5rem;
            }
            .page-hero h1 {
                font-size: 2.8rem;
            }
            .page-hero .hero-desc {
                font-size: 1.1rem;
            }
        }
        @media (min-width: 1024px) {
            .page-hero {
                padding: 6rem 2rem 5rem;
            }
            .page-hero h1 {
                font-size: 3.2rem;
            }
        }

        /* ========== SECTIONS ========== */
        .section-block {
            padding: 3.5rem 1.25rem;
        }

        @media (min-width: 640px) {
            .section-block {
                padding: 4rem 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .section-block {
                padding: 5rem 2rem;
            }
        }

        .section-title {
            text-align: center;
            margin-bottom: 2.5rem;
        }

        .section-title .label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: #d97706;
            background: #fffbeb;
            padding: 0.3rem 0.9rem;
            border-radius: 2rem;
            margin-bottom: 0.75rem;
            letter-spacing: 0.04em;
        }

        .section-title h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: #1f2937;
            letter-spacing: -0.02em;
            line-height: 1.3;
        }

        .section-title .subtitle {
            font-size: 0.95rem;
            color: #6b7280;
            margin-top: 0.5rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        @media (min-width: 640px) {
            .section-title h2 {
                font-size: 2rem;
            }
        }
        @media (min-width: 1024px) {
            .section-title h2 {
                font-size: 2.25rem;
            }
        }

        /* ========== STAT CARDS ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }

        @media (min-width: 640px) {
            .stats-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 1.25rem;
            }
        }
        @media (min-width: 1024px) {
            .stats-grid {
                gap: 1.5rem;
            }
        }

        .stat-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.25rem 1rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            border: 1px solid transparent;
        }

        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #fde68a;
            transform: translateY(-2px);
        }

        .stat-card .stat-icon {
            width: 44px;
            height: 44px;
            border-radius: 0.75rem;
            background: #fffbeb;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 0.75rem;
            font-size: 1.3rem;
            color: #d97706;
        }

        .stat-card .stat-number {
            font-size: 1.6rem;
            font-weight: 800;
            color: #1f2937;
            line-height: 1.2;
        }

        .stat-card .stat-label {
            font-size: 0.8rem;
            color: #6b7280;
            margin-top: 0.35rem;
        }

        @media (min-width: 640px) {
            .stat-card {
                padding: 1.5rem 1.25rem;
            }
            .stat-card .stat-number {
                font-size: 1.9rem;
            }
        }

        /* ========== ANALYSIS CARDS ========== */
        .analysis-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }

        @media (min-width: 640px) {
            .analysis-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .analysis-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 1.75rem;
            }
        }

        .analysis-card {
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            border: 1px solid transparent;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .analysis-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #fde68a;
            transform: translateY(-3px);
        }

        .analysis-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #f3f4f6;
        }

        .analysis-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .analysis-card .card-body {
            padding: 1.25rem 1.15rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .analysis-card .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: #d97706;
            background: #fffbeb;
            padding: 0.25rem 0.65rem;
            border-radius: 0.35rem;
            letter-spacing: 0.03em;
            margin-bottom: 0.6rem;
            align-self: flex-start;
        }

        .analysis-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #1f2937;
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }

        .analysis-card p {
            font-size: 0.9rem;
            color: #6b7280;
            line-height: 1.65;
            flex: 1;
        }

        .analysis-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: #d97706;
            margin-top: 0.75rem;
            transition: var(--transition-base);
        }

        .analysis-card .card-link:hover {
            color: #b45309;
            gap: 0.5rem;
        }

        /* ========== METHODOLOGY SECTION ========== */
        .methodology-block {
            background: #fff;
            border-radius: var(--radius-2xl);
            padding: 2rem 1.25rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
        }

        @media (min-width: 640px) {
            .methodology-block {
                padding: 2.5rem 2rem;
            }
        }
        @media (min-width: 1024px) {
            .methodology-block {
                padding: 3rem 2.5rem;
            }
        }

        .methodology-block .method-row {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        @media (min-width: 768px) {
            .methodology-block .method-row {
                flex-direction: row;
                align-items: center;
                gap: 2.5rem;
            }
        }

        .methodology-block .method-img {
            flex-shrink: 0;
            width: 100%;
            max-width: 340px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            aspect-ratio: 4/3;
            background: #f3f4f6;
        }

        .methodology-block .method-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        @media (min-width: 768px) {
            .methodology-block .method-img {
                width: 320px;
            }
        }

        .methodology-block .method-text h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #1f2937;
            margin-bottom: 0.75rem;
        }

        .methodology-block .method-text p {
            font-size: 0.95rem;
            color: #4b5563;
            line-height: 1.8;
            margin-bottom: 0.75rem;
        }

        .methodology-block .method-list {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.5rem;
        }

        .methodology-block .method-list li {
            font-size: 0.9rem;
            color: #4b5563;
            padding-left: 1.3rem;
            position: relative;
        }

        .methodology-block .method-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.55em;
            width: 7px;
            height: 7px;
            background: #f59e0b;
            border-radius: 50%;
        }

        /* ========== REPORT LIST ========== */
        .report-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .report-item {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.1rem 1.25rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .report-item:hover {
            box-shadow: var(--shadow-card);
            border-color: #fde68a;
            transform: translateX(3px);
        }

        .report-item .report-date {
            font-size: 0.78rem;
            font-weight: 600;
            color: #d97706;
            background: #fffbeb;
            padding: 0.3rem 0.6rem;
            border-radius: 0.4rem;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .report-item .report-info {
            flex: 1;
            min-width: 0;
        }

        .report-item .report-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #1f2937;
            margin-bottom: 0.2rem;
            line-height: 1.4;
        }

        .report-item .report-info .report-summary {
            font-size: 0.8rem;
            color: #6b7280;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .report-item .report-arrow {
            flex-shrink: 0;
            color: #d1d5db;
            font-size: 1.2rem;
            transition: var(--transition-base);
        }

        .report-item:hover .report-arrow {
            color: #d97706;
            transform: translateX(4px);
        }

        @media (min-width: 640px) {
            .report-item {
                padding: 1.2rem 1.5rem;
            }
            .report-item .report-info h4 {
                font-size: 1rem;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-item:hover {
            border-color: #fde68a;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 1.1rem 1.25rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: #1f2937;
            text-align: left;
            cursor: pointer;
            transition: var(--transition-base);
            line-height: 1.5;
        }

        .faq-question:hover {
            color: #d97706;
            background: #fafaf9;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: #f3f4f6;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #6b7280;
            transition: var(--transition-base);
        }

        .faq-item.open .faq-question .faq-icon {
            background: #fffbeb;
            color: #d97706;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 1.25rem 1.1rem;
            font-size: 0.9rem;
            color: #4b5563;
            line-height: 1.8;
        }

        @media (min-width: 640px) {
            .faq-question {
                padding: 1.2rem 1.5rem;
                font-size: 1rem;
            }
            .faq-answer-inner {
                padding: 0 1.5rem 1.2rem;
            }
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(160deg, #1a1a2e 0%, #16213e 50%, #1a2744 100%);
            color: #fff;
            text-align: center;
            padding: 3.5rem 1.25rem;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            letter-spacing: -0.02em;
        }

        .cta-section p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 1.75rem;
            line-height: 1.7;
        }

        .cta-section .btn-cta {
            display: inline-block;
            background: linear-gradient(135deg, #f59e0b, #e8b830);
            color: #1a1a2e;
            font-weight: 700;
            padding: 0.75rem 2rem;
            border-radius: 3rem;
            font-size: 1rem;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
            transition: var(--transition-base);
            letter-spacing: 0.02em;
        }

        .cta-section .btn-cta:hover {
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.45);
            transform: translateY(-2px);
        }

        @media (min-width: 640px) {
            .cta-section {
                padding: 4.5rem 1.5rem;
            }
            .cta-section h2 {
                font-size: 2rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1a2e;
            color: #c9cdd4;
            padding: 2.5rem 1.25rem 1.5rem;
            font-size: 0.9rem;
        }

        @media (min-width: 640px) {
            .site-footer {
                padding: 3rem 1.5rem 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .site-footer {
                padding: 3.5rem 2rem 2rem;
            }
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto 2rem;
        }

        @media (min-width: 480px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
                gap: 2rem;
            }
        }

        .footer-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
            letter-spacing: -0.02em;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: #9ca3af;
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #e5e7eb;
            margin-bottom: 0.75rem;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.45rem;
        }

        .footer-col ul li a {
            color: #9ca3af;
            font-size: 0.85rem;
            transition: var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: #fbbf24;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.25rem;
            text-align: center;
            max-width: 1200px;
            margin: 0 auto;
        }

        .footer-bottom p {
            font-size: 0.8rem;
            color: #6b7280;
        }

        /* ========== UTILITY ========== */
        .bg-soft-warm {
            background: #fffbeb;
        }
        .bg-soft-gray {
            background: #f9fafb;
        }

        /* ========== FOCUS & ACCESSIBILITY ========== */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid #f59e0b;
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: category3 */
:root {
            --color-brand: #c62828;
            --color-brand-light: #e53935;
            --color-brand-dark: #8e1a1a;
            --color-gold: #d4a017;
            --color-gold-light: #f0c040;
            --color-bg: #fafafa;
            --color-surface: #ffffff;
            --color-text: #1a1a2e;
            --color-text-soft: #5a5a72;
            --color-text-muted: #888899;
            --color-border: #e8e8ef;
            --color-border-light: #f2f2f7;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 26px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 32px rgba(0, 0, 0, 0.10), 0 4px 10px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 18px 48px rgba(0, 0, 0, 0.13), 0 6px 16px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input {
            font-family: inherit;
            outline: none;
        }

        .container-custom {
            width: 100%;
            max-width: 1220px;
            margin: 0 auto;
            padding: 0 28px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 18px;
            }
        }

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

        /* header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }

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

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 66px;
            gap: 24px;
        }

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

        .logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, #c62828 0%, #e53935 60%, #d4a017 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.5px;
            box-shadow: 0 3px 10px rgba(198, 40, 40, 0.35);
        }

        .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: #14171a;
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .logo-text span {
            color: #c62828;
        }

        .nav-links {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 6px;
            align-items: center;
            flex-wrap: nowrap;
        }

        .nav-links li a {
            display: inline-block;
            padding: 9px 16px;
            border-radius: 24px;
            font-size: 14.5px;
            font-weight: 500;
            color: #444;
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }

        .nav-links li a:hover {
            color: #c62828;
            background: #fef2f2;
        }

        .nav-links li a.active-nav {
            color: #ffffff;
            background: #c62828;
            font-weight: 600;
            box-shadow: 0 3px 12px rgba(198, 40, 40, 0.3);
        }

        .nav-links li a.active-nav:hover {
            background: #b71c1c;
            color: #ffffff;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: #333;
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-toggle:hover {
            background: #f5f5f5;
        }

        @media (max-width: 950px) {
            .nav-links {
                position: fixed;
                top: 66px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                gap: 4px;
                padding: 16px 20px;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--color-border);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-base);
                z-index: 99;
            }

            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }

            .nav-links li {
                width: 100%;
            }

            .nav-links li a {
                display: block;
                width: 100%;
                text-align: center;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 15px;
            }

            .mobile-toggle {
                display: flex;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                height: 58px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }
            .logo-text {
                font-size: 18px;
            }
            .nav-links {
                top: 58px;
            }
            .nav-links li a {
                font-size: 14px;
                padding: 10px 14px;
            }
        }

        /* hero */
        .hero-banner {
            position: relative;
            background: linear-gradient(135deg, #1a0a0a 0%, #2d1010 30%, #1e0d0d 60%, #0d0505 100%);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 80px 0 90px;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(20, 5, 5, 0.82) 0%, rgba(30, 8, 8, 0.88) 50%, rgba(20, 5, 5, 0.92) 100%);
            z-index: 1;
        }

        .hero-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, transparent, #e53935, #f59e0b, #e53935, transparent);
            z-index: 2;
            opacity: 0.8;
        }

        .hero-content {
            position: relative;
            z-index: 3;
            text-align: center;
            max-width: 780px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(229, 57, 53, 0.25);
            border: 1px solid rgba(229, 57, 53, 0.5);
            color: #ffb3b3;
            padding: 7px 18px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 1.5px;
            margin-bottom: 18px;
            backdrop-filter: blur(6px);
        }

        .hero-title {
            font-size: 44px;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -1px;
            line-height: 1.25;
            margin: 0 0 18px;
        }

        .hero-title span {
            color: #fbbf24;
            position: relative;
        }

        .hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.8;
            margin: 0 auto 28px;
            max-width: 600px;
        }

        .hero-search-wrap {
            display: flex;
            max-width: 480px;
            margin: 0 auto;
            gap: 0;
            border-radius: 40px;
            overflow: hidden;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
        }

        .hero-search-wrap input {
            flex: 1;
            padding: 14px 20px;
            border: none;
            font-size: 15px;
            background: #fff;
            color: #333;
            border-radius: 40px 0 0 40px;
        }

        .hero-search-wrap button {
            padding: 14px 24px;
            background: #c62828;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border-radius: 0 40px 40px 0;
            white-space: nowrap;
            transition: background var(--transition-fast);
        }

        .hero-search-wrap button:hover {
            background: #b71c1c;
        }

        @media (max-width: 768px) {
            .hero-banner {
                padding: 50px 0 56px;
            }
            .hero-title {
                font-size: 30px;
            }
            .hero-desc {
                font-size: 15px;
                max-width: 90%;
            }
            .hero-search-wrap input {
                font-size: 14px;
                padding: 12px 16px;
            }
            .hero-search-wrap button {
                font-size: 14px;
                padding: 12px 18px;
            }
        }

        @media (max-width: 520px) {
            .hero-banner {
                padding: 36px 0 42px;
            }
            .hero-title {
                font-size: 24px;
                letter-spacing: -0.5px;
            }
            .hero-desc {
                font-size: 14px;
                max-width: 100%;
            }
            .hero-badge {
                font-size: 11px;
                padding: 5px 12px;
            }
            .hero-search-wrap {
                max-width: 100%;
                border-radius: 30px;
            }
            .hero-search-wrap input {
                border-radius: 30px 0 0 30px;
                padding: 11px 14px;
                font-size: 13px;
            }
            .hero-search-wrap button {
                border-radius: 0 30px 30px 0;
                padding: 11px 15px;
                font-size: 13px;
            }
        }

        /* section */
        .section {
            padding: 64px 0;
        }

        .section-sm {
            padding: 44px 0;
        }

        .section-title-area {
            text-align: center;
            margin-bottom: 42px;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: #c62828;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: #14171a;
            letter-spacing: -0.5px;
            margin: 0 0 10px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 15px;
            color: #888;
            max-width: 540px;
            margin: 0 auto;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section {
                padding: 44px 0;
            }
            .section-sm {
                padding: 32px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .section-subtitle {
                font-size: 14px;
            }
            .section-title-area {
                margin-bottom: 30px;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 34px 0;
            }
            .section-sm {
                padding: 24px 0;
            }
            .section-title {
                font-size: 21px;
            }
        }

        /* cards */
        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: #e0d8d8;
        }

        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #f0f0f5;
        }

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

        .card:hover .card-img-wrap img {
            transform: scale(1.05);
        }

        .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
            z-index: 2;
        }

        .card-tag.hot {
            background: #e53935;
            color: #fff;
        }

        .card-tag.new {
            background: #f59e0b;
            color: #1a1a1a;
        }

        .card-tag.ongoing {
            background: #10b981;
            color: #fff;
        }

        .card-body {
            padding: 20px 22px 24px;
        }

        .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: #1a1a2e;
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .card-body p {
            font-size: 14px;
            color: #6b7280;
            margin: 0 0 14px;
            line-height: 1.6;
        }

        .card-meta {
            display: flex;
            gap: 16px;
            font-size: 12.5px;
            color: #999;
            flex-wrap: wrap;
        }

        .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 11px 22px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 14.5px;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary {
            background: #c62828;
            color: #fff;
            box-shadow: 0 4px 14px rgba(198, 40, 40, 0.3);
        }

        .btn-primary:hover {
            background: #b71c1c;
            box-shadow: 0 6px 20px rgba(198, 40, 40, 0.4);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: #c62828;
            border: 2px solid #c62828;
        }

        .btn-outline:hover {
            background: #c62828;
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 22px;
        }

        @media (max-width: 520px) {
            .btn {
                padding: 10px 18px;
                font-size: 13px;
            }
            .card-body {
                padding: 16px 16px 20px;
            }
            .card-body h3 {
                font-size: 16px;
            }
            .card-body p {
                font-size: 13px;
            }
        }

        /* grid */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

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

        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        @media (max-width: 1024px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 768px) {
            .grid-2 {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .grid-3 {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }

        @media (max-width: 520px) {
            .grid-4 {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
        }

        /* stat cards */
        .stat-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: #e8d0d0;
        }

        .stat-number {
            font-size: 38px;
            font-weight: 800;
            color: #c62828;
            letter-spacing: -1px;
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-number .unit {
            font-size: 20px;
            font-weight: 600;
            color: #999;
            margin-left: 2px;
        }

        .stat-label {
            font-size: 14px;
            color: #666;
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .stat-number {
                font-size: 30px;
            }
            .stat-card {
                padding: 20px 16px;
            }
        }

        @media (max-width: 520px) {
            .stat-number {
                font-size: 26px;
            }
            .stat-card {
                padding: 16px 12px;
            }
            .stat-label {
                font-size: 12px;
            }
        }

        /* highlight card */
        .highlight-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            display: flex;
            flex-direction: row;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

        .highlight-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .highlight-card .hc-img {
            flex: 0 0 42%;
            min-height: 260px;
            overflow: hidden;
            position: relative;
        }

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

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

        .highlight-card .hc-body {
            flex: 1;
            padding: 28px 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .highlight-card .hc-body h3 {
            font-size: 22px;
            font-weight: 700;
            color: #1a1a2e;
            margin: 0 0 10px;
            line-height: 1.35;
        }

        .highlight-card .hc-body p {
            font-size: 15px;
            color: #5a5a72;
            line-height: 1.7;
            margin: 0 0 16px;
        }

        @media (max-width: 768px) {
            .highlight-card {
                flex-direction: column;
            }
            .highlight-card .hc-img {
                flex: 0 0 auto;
                aspect-ratio: 16 / 9;
                min-height: auto;
            }
            .highlight-card .hc-body {
                padding: 20px 20px 24px;
            }
            .highlight-card .hc-body h3 {
                font-size: 18px;
            }
            .highlight-card .hc-body p {
                font-size: 14px;
            }
        }

        /* list */
        .event-list-item {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            padding: 18px 20px;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .event-list-item:hover {
            box-shadow: var(--shadow-md);
            border-color: #e8d0d0;
            transform: translateX(3px);
        }

        .event-list-date {
            flex-shrink: 0;
            width: 54px;
            height: 54px;
            background: #fef2f2;
            border-radius: var(--radius-sm);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            border: 2px solid #fde8e8;
        }

        .event-list-date .day {
            font-size: 22px;
            font-weight: 800;
            color: #c62828;
            line-height: 1;
        }

        .event-list-date .month {
            font-size: 11px;
            color: #888;
            font-weight: 500;
            text-transform: uppercase;
        }

        .event-list-info h4 {
            font-size: 16px;
            font-weight: 600;
            color: #1a1a2e;
            margin: 0 0 4px;
            line-height: 1.3;
        }

        .event-list-info p {
            font-size: 13.5px;
            color: #777;
            margin: 0;
            line-height: 1.5;
        }

        @media (max-width: 520px) {
            .event-list-item {
                gap: 12px;
                padding: 14px 14px;
            }
            .event-list-date {
                width: 44px;
                height: 44px;
            }
            .event-list-date .day {
                font-size: 18px;
            }
            .event-list-info h4 {
                font-size: 14px;
            }
            .event-list-info p {
                font-size: 12px;
            }
        }

        /* cta */
        .cta-section {
            background: linear-gradient(135deg, #1a0505 0%, #2d0a0a 50%, #1a0505 100%);
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -30%;
            width: 80%;
            height: 200%;
            background: radial-gradient(ellipse, rgba(198, 40, 40, 0.2) 0%, transparent 70%);
            z-index: 1;
            pointer-events: none;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-section h3 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            margin: 0 auto 28px;
            max-width: 500px;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 44px 0;
            }
            .cta-section h3 {
                font-size: 23px;
            }
            .cta-section p {
                font-size: 14px;
                max-width: 90%;
            }
        }

        @media (max-width: 520px) {
            .cta-section {
                padding: 34px 0;
            }
            .cta-section h3 {
                font-size: 20px;
            }
        }

        /* footer */
        .site-footer {
            background: #14171a;
            color: #c0c0c8;
            padding: 48px 0 0;
            border-top: 4px solid #c62828;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-logo {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .footer-brand p {
            font-size: 13.5px;
            line-height: 1.7;
            color: #888;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #ddd;
            margin: 0 0 14px;
            letter-spacing: 0.5px;
        }

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

        .footer-col ul li {
            margin-bottom: 9px;
        }

        .footer-col ul li a {
            font-size: 13.5px;
            color: #999;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #e53935;
        }

        .footer-bottom {
            text-align: center;
            padding: 20px 0;
        }

        .footer-bottom p {
            font-size: 12.5px;
            color: #666;
            margin: 0;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .footer-logo {
                font-size: 20px;
            }
        }

        /* misc */
        .divider {
            height: 1px;
            background: var(--color-border-light);
            margin: 0;
        }

        .bg-light {
            background: #fafbfc;
        }

        .bg-white {
            background: #fff;
        }

        .text-center {
            text-align: center;
        }

        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }

/* roulang page: category4 */
:root {
            --primary: #1a56db;
            --primary-dark: #1e40af;
            --primary-light: #3b82f6;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --bg: #f8fafc;
            --bg-alt: #f1f5f9;
            --text: #1e293b;
            --text-soft: #64748b;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-strong: #cbd5e1;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-btn: 10px;
            --radius-tag: 20px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.07);
            --shadow-card-hover: 0 12px 36px rgba(0, 0, 0, 0.13);
            --shadow-btn: 0 2px 10px rgba(26, 86, 219, 0.3);
            --shadow-btn-hover: 0 6px 20px rgba(26, 86, 219, 0.45);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            line-height: 1.7;
            color: var(--text);
            background-color: #ffffff;
            min-height: 100vh;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }

        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 1280px) {
            .container-custom {
                padding-left: 28px;
                padding-right: 28px;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
            transition: box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.1);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 62px;
            gap: 24px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--primary-dark);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }

        .logo-link:hover {
            color: var(--primary);
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 4px;
            flex-wrap: wrap;
        }

        .nav-links li a {
            display: block;
            padding: 8px 15px;
            border-radius: 8px;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--primary);
            background: rgba(26, 86, 219, 0.05);
        }

        .nav-links li a.active-nav {
            color: var(--primary);
            background: rgba(26, 86, 219, 0.08);
            font-weight: 600;
        }

        .nav-links li a.active-nav::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }

        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            z-index: 101;
            border-radius: 8px;
            transition: background var(--transition-fast);
        }

        .mobile-menu-btn:hover {
            background: rgba(0, 0, 0, 0.04);
        }

        .mobile-menu-btn span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }

        .mobile-menu-btn.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-menu-btn.active span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-btn.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 1024px) {
            .nav-links {
                position: fixed;
                top: 62px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                gap: 0;
                padding: 12px 20px 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-smooth);
                z-index: 99;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li a {
                padding: 12px 16px;
                border-radius: 6px;
                font-size: 1rem;
            }
            .mobile-menu-btn {
                display: flex;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                height: 56px;
            }
            .logo-link {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.7rem;
                border-radius: 8px;
            }
            .nav-links {
                top: 56px;
            }
        }

        /* Hero Banner */
        .hero-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(15, 23, 42, 0.65) 0%,
                    rgba(15, 23, 42, 0.75) 60%,
                    rgba(15, 23, 42, 0.9) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
            padding: 60px 0;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 14px;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .hero-banner {
                min-height: 340px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-content {
                padding: 40px 0;
            }
        }

        @media (max-width: 520px) {
            .hero-banner {
                min-height: 280px;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-badge {
                font-size: 0.75rem;
                padding: 4px 12px;
            }
        }

        /* Section Styles */
        .section-pad {
            padding: 70px 0;
        }
        @media (max-width: 768px) {
            .section-pad {
                padding: 45px 0;
            }
        }
        @media (max-width: 520px) {
            .section-pad {
                padding: 32px 0;
            }
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--primary);
            background: rgba(26, 86, 219, 0.07);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.01em;
            margin-bottom: 8px;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-soft);
            max-width: 650px;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-desc {
                font-size: 0.95rem;
            }
        }

        /* Strategy Cards */
        .strategy-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .strategy-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .strategy-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .strategy-card-body {
            padding: 22px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .strategy-card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 14px;
            background: rgba(26, 86, 219, 0.08);
            color: var(--primary);
            margin-bottom: 10px;
            width: fit-content;
        }
        .strategy-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.3;
        }
        .strategy-card-desc {
            font-size: 0.9rem;
            color: var(--text-soft);
            line-height: 1.55;
            flex: 1;
        }
        .strategy-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            margin-top: 14px;
            transition: gap var(--transition-fast);
        }
        .strategy-card-link:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        /* Deep Dive Section */
        .deep-dive-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .deep-dive-img {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .deep-dive-img img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .deep-dive-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
            line-height: 1.3;
        }
        .deep-dive-text p {
            font-size: 1rem;
            color: var(--text-soft);
            line-height: 1.75;
            margin-bottom: 14px;
        }
        @media (max-width: 768px) {
            .deep-dive-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .deep-dive-text h3 {
                font-size: 1.3rem;
            }
        }

        /* Steps */
        .steps-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }
        .step-item {
            background: #fff;
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            border-left: 4px solid var(--primary);
            transition: all var(--transition-smooth);
            position: relative;
        }
        .step-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 14px;
        }
        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .step-item p {
            font-size: 0.9rem;
            color: var(--text-soft);
            line-height: 1.6;
        }

        /* Stats */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            text-align: center;
            padding: 28px 16px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: all var(--transition-smooth);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.14);
            transform: translateY(-3px);
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-number {
                font-size: 1.7rem;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 20px 10px;
            }
            .stat-number {
                font-size: 1.4rem;
            }
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border-strong);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
        }
        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            transition: transform var(--transition-smooth);
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 22px;
            font-size: 0.93rem;
            color: var(--text-soft);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #f0f4ff 0%, #e8f0fe 40%, #fefce8 100%);
            border-radius: var(--radius);
            padding: 48px 32px;
            text-align: center;
        }
        .cta-section h3 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
        .cta-section p {
            font-size: 1rem;
            color: var(--text-soft);
            max-width: 500px;
            margin: 0 auto 24px;
            line-height: 1.6;
        }
        .btn-primary-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            box-shadow: var(--shadow-btn);
            transition: all var(--transition-smooth);
            letter-spacing: 0.01em;
        }
        .btn-primary-cta:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-2px);
        }
        @media (max-width: 520px) {
            .cta-section {
                padding: 32px 18px;
            }
            .cta-section h3 {
                font-size: 1.3rem;
            }
            .btn-primary-cta {
                padding: 11px 22px;
                font-size: 0.9rem;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--dark-bg);
            color: #cbd5e1;
            padding: 50px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .footer-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: #94a3b8;
            line-height: 1.6;
        }
        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a,
        .footer-col ul li span {
            font-size: 0.9rem;
            color: #94a3b8;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 0.82rem;
            color: #64748b;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1/-1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer {
                padding: 36px 0 0;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a56db;
            --color-primary-dark: #1e40af;
            --color-primary-light: #3b82f6;
            --color-primary-soft: #dbeafe;
            --color-accent: #f59e0b;
            --color-accent-dark: #d97706;
            --color-accent-soft: #fef3c7;
            --color-bg: #f8fafc;
            --color-white: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #64748b;
            --color-text-weak: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-red: #ef4444;
            --color-green: #10b981;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1), 0 4px 10px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.12), 0 8px 16px rgba(0, 0, 0, 0.06);
            --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            font-size: 16px;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--color-primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }
        input {
            font-family: inherit;
            outline: none;
        }
        input:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ===== HEADER & NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            letter-spacing: -0.5px;
        }
        .logo-text {
            font-weight: 700;
            font-size: 20px;
            color: var(--color-text);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--color-primary);
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 4px;
            align-items: center;
            flex-wrap: wrap;
        }
        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: var(--radius);
            font-size: 14.5px;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-links li a:hover {
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }
        .nav-links li a.active-nav {
            color: var(--color-primary);
            background: var(--color-primary-soft);
            font-weight: 600;
        }
        .nav-links li a.active-nav::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2.5px;
            background: var(--color-primary);
            border-radius: 2px;
        }
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--color-text);
            padding: 6px 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
            cursor: pointer;
        }
        .hamburger-btn:hover {
            background: var(--color-border-light);
        }
        @media (max-width: 1024px) {
            .nav-links {
                gap: 1px;
            }
            .nav-links li a {
                padding: 7px 10px;
                font-size: 13.5px;
            }
        }
        @media (max-width: 860px) {
            .hamburger-btn {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: 12px 16px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 99;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                width: 100%;
                padding: 11px 14px;
                font-size: 15px;
                border-radius: var(--radius);
            }
            .nav-links li a.active-nav::after {
                display: none;
            }
        }

        /* ===== BREADCRUMB ===== */
        .breadcrumb-wrap {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            padding: 10px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13.5px;
            color: var(--color-text-weak);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-secondary);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb .sep {
            color: var(--color-text-weak);
            font-size: 11px;
        }
        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 500;
        }

        /* ===== BANNER ===== */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 40%, #1a3c6e 70%, #0f172a 100%);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 64px 0 56px;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.82) 0%, rgba(15, 23, 42, 0.7) 60%, rgba(15, 23, 42, 0.85) 100%);
            z-index: 1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fef3c7;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }
        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: 1px;
            line-height: 1.25;
        }
        .page-banner .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin: 0 auto;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .page-banner {
                padding: 40px 0 36px;
            }
            .page-banner h1 {
                font-size: 1.9rem;
            }
            .page-banner .banner-desc {
                font-size: 0.95rem;
            }
        }

        /* ===== SECTION ===== */
        .section {
            padding: 56px 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-title {
            font-size: 1.65rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
            letter-spacing: 0.3px;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            margin-bottom: 32px;
        }
        .section-header {
            text-align: center;
            margin-bottom: 36px;
        }
        .section-header .section-title {
            position: relative;
            display: inline-block;
        }
        .section-header .section-title::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 48px;
            height: 3px;
            background: var(--color-primary);
            border-radius: 3px;
        }

        /* ===== CARDS ===== */
        .card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-slow);
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .card-news {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 20px;
            cursor: pointer;
        }
        .card-news .news-date {
            flex-shrink: 0;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            padding: 8px 12px;
            border-radius: var(--radius);
            text-align: center;
            font-weight: 700;
            font-size: 1.1rem;
            line-height: 1.2;
            min-width: 56px;
        }
        .card-news .news-date small {
            display: block;
            font-size: 0.7rem;
            font-weight: 400;
            opacity: 0.75;
        }
        .card-news .news-body {
            flex: 1;
            min-width: 0;
        }
        .card-news .news-title {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-text);
            margin-bottom: 4px;
            transition: color var(--transition);
        }
        .card-news:hover .news-title {
            color: var(--color-primary);
        }
        .card-news .news-summary {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-news .news-meta {
            font-size: 0.78rem;
            color: var(--color-text-weak);
            margin-top: 6px;
        }
        @media (max-width: 520px) {
            .card-news {
                flex-direction: column;
                gap: 10px;
            }
            .card-news .news-date {
                display: inline-flex;
                gap: 4px;
                align-items: baseline;
                padding: 5px 10px;
                font-size: 0.9rem;
            }
            .card-news .news-date small {
                font-size: 0.75rem;
            }
        }

        /* ===== STAT CARDS ===== */
        .stat-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-slow);
            position: relative;
            overflow: hidden;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .stat-card .stat-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            font-size: 22px;
            margin-bottom: 10px;
        }
        .stat-card .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.5px;
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin-top: 2px;
        }
        .stat-card .stat-trend {
            font-size: 0.78rem;
            font-weight: 500;
            margin-top: 4px;
            display: inline-block;
            padding: 2px 8px;
            border-radius: 10px;
        }
        .stat-trend.up {
            color: var(--color-green);
            background: #ecfdf5;
        }
        .stat-trend.hot {
            color: var(--color-red);
            background: #fef2f2;
        }

        /* ===== EVENT CARDS WITH IMAGE ===== */
        .event-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-slow);
        }
        .event-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-4px);
        }
        .event-card .event-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .event-card .event-body {
            padding: 18px;
        }
        .event-card .event-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }
        .tag-live {
            background: #fef2f2;
            color: #ef4444;
        }
        .tag-upcoming {
            background: #fef3c7;
            color: #d97706;
        }
        .tag-featured {
            background: #dbeafe;
            color: #1d4ed8;
        }
        .event-card .event-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-text);
            margin-bottom: 4px;
            transition: color var(--transition);
        }
        .event-card:hover .event-title {
            color: var(--color-primary);
        }
        .event-card .event-desc {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ===== ANALYSIS CARD ===== */
        .analysis-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-slow);
            display: flex;
            flex-direction: column;
        }
        .analysis-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-3px);
        }
        .analysis-card .analysis-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
        }
        .analysis-card .analysis-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .analysis-card .analysis-title {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-text);
            margin-bottom: 6px;
            transition: color var(--transition);
        }
        .analysis-card:hover .analysis-title {
            color: var(--color-primary);
        }
        .analysis-card .analysis-excerpt {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .analysis-card .analysis-meta {
            font-size: 0.78rem;
            color: var(--color-text-weak);
            margin-top: 10px;
            display: flex;
            gap: 12px;
            align-items: center;
        }

        /* ===== TIMELINE ===== */
        .timeline {
            position: relative;
            padding-left: 28px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--color-border);
            border-radius: 1px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 22px;
            padding-left: 10px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -22px;
            top: 6px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-primary);
            border: 2px solid var(--color-white);
            box-shadow: 0 0 0 3px var(--color-primary-soft);
            z-index: 1;
        }
        .timeline-item .tl-date {
            font-size: 0.78rem;
            color: var(--color-primary);
            font-weight: 600;
            margin-bottom: 2px;
            letter-spacing: 0.3px;
        }
        .timeline-item .tl-title {
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
        }
        .timeline-item .tl-desc {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--color-border);
        }
        .faq-item summary {
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.98rem;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--color-text);
            user-select: none;
            transition: color var(--transition);
        }
        .faq-item summary:hover {
            color: var(--color-primary);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 14px;
            transition: transform var(--transition-slow);
            color: var(--color-text-weak);
            flex-shrink: 0;
            margin-left: 8px;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-item .faq-answer {
            padding: 0 20px 16px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #1a3c6e 0%, #0f2648 50%, #1a3c6e 100%);
            border-radius: var(--radius-xl);
            padding: 44px 36px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }
        .btn-cta {
            display: inline-block;
            background: #fff;
            color: #1a3c6e;
            padding: 12px 28px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.4px;
            transition: all var(--transition-slow);
            position: relative;
            z-index: 1;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        }
        .btn-cta:hover {
            background: #fef3c7;
            color: #0f2648;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 1px;
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: #94a3b8;
            line-height: 1.6;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #e2e8f0;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 7px;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: #94a3b8;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 16px;
            text-align: center;
            font-size: 0.8rem;
            color: #64748b;
        }
        @media (max-width: 860px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-brand {
                text-align: center;
            }
        }

        /* ===== UTILITY ===== */
        .tag-sm {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 500;
            padding: 3px 8px;
            border-radius: 10px;
            background: var(--color-border-light);
            color: var(--color-text-secondary);
            letter-spacing: 0.3px;
        }
        .divider {
            border: none;
            border-top: 1px solid var(--color-border-light);
            margin: 0;
        }
        .highlight-num {
            font-weight: 800;
            color: var(--color-primary);
        }

/* roulang page: category5 */
:root {
            --primary: #C83C2B;
            --primary-dark: #A83225;
            --primary-light: #E85D4A;
            --secondary: #1A1A2E;
            --accent: #F5A623;
            --bg-light: #FAFAF8;
            --bg-warm: #FFF8F5;
            --text-main: #1A1A2E;
            --text-soft: #5A5A6E;
            --text-muted: #8A8A9A;
            --border-soft: #E8E5E0;
            --card-bg: #FFFFFF;
            --radius-xl: 0.875rem;
            --radius-2xl: 1.125rem;
            --radius-3xl: 1.5rem;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 16px rgba(0, 0, 0, 0.05);
            --shadow-card-hover: 0 2px 8px rgba(0, 0, 0, 0.06), 0 8px 28px rgba(0, 0, 0, 0.09);
            --shadow-nav: 0 1px 0 rgba(0, 0, 0, 0.04), 0 2px 12px rgba(0, 0, 0, 0.03);
            --transition-base: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            line-height: 1.7;
            color: #1A1A2E;
            background-color: #FAFAF8;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-base);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        input {
            font-family: inherit;
            outline: none;
        }
        ul {
            list-style: none;
        }

        .container-custom {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 1.5rem;
            width: 100%;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-nav);
            transition: all var(--transition-base);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        .logo-text {
            font-size: 1.45rem;
            font-weight: 700;
            color: #1A1A2E;
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-text span {
            color: #C83C2B;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: wrap;
        }
        .nav-links li a {
            display: inline-block;
            padding: 0.5rem 1rem;
            font-size: 0.925rem;
            font-weight: 500;
            color: #4A4A5E;
            border-radius: 0.5rem;
            transition: all var(--transition-base);
            white-space: nowrap;
            position: relative;
        }
        .nav-links li a:hover {
            color: #C83C2B;
            background: #FFF5F3;
        }
        .nav-links li a.active-nav {
            color: #C83C2B;
            font-weight: 600;
            background: #FFF0ED;
        }
        .nav-links li a.active-nav::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: #C83C2B;
            border-radius: 3px;
        }

        /* Mobile menu toggle */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: #1A1A2E;
            padding: 0.4rem;
            cursor: pointer;
            line-height: 1;
        }

        /* Category Banner */
        .category-banner {
            position: relative;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 5rem 0;
            overflow: hidden;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.82) 0%, rgba(26, 26, 46, 0.6) 40%, rgba(200, 60, 43, 0.35) 100%);
            z-index: 1;
        }
        .category-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .category-banner .banner-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.18);
            color: #FFF;
            padding: 0.35rem 1rem;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            backdrop-filter: blur(6px);
            margin-bottom: 1rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .category-banner h1 {
            font-size: 2.6rem;
            font-weight: 700;
            color: #FFF;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 0.75rem;
        }
        .category-banner .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.7;
            max-width: 560px;
        }

        /* Section common */
        .section-block {
            padding: 3.5rem 0;
        }
        .section-header {
            margin-bottom: 2rem;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: #C83C2B;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            background: #FFF0ED;
            padding: 0.3rem 0.9rem;
            border-radius: 999px;
            margin-bottom: 0.6rem;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: #1A1A2E;
            letter-spacing: -0.01em;
            line-height: 1.3;
            margin-bottom: 0.5rem;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: #6A6A7E;
            line-height: 1.6;
            max-width: 600px;
        }

        /* Ranking Card */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 0.85rem;
        }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            background: #FFF;
            border-radius: var(--radius-xl);
            padding: 1rem 1.3rem;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            border: 1px solid transparent;
        }
        .ranking-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #F0E8E4;
            transform: translateY(-1px);
        }
        .rank-number {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .rank-number.top1 {
            background: linear-gradient(135deg, #F5A623, #E8961A);
            color: #FFF;
            box-shadow: 0 3px 10px rgba(245, 166, 35, 0.35);
        }
        .rank-number.top2 {
            background: linear-gradient(135deg, #B0B8C8, #8A94A6);
            color: #FFF;
            box-shadow: 0 3px 10px rgba(138, 148, 166, 0.3);
        }
        .rank-number.top3 {
            background: linear-gradient(135deg, #C8947A, #A87860);
            color: #FFF;
            box-shadow: 0 3px 10px rgba(168, 120, 96, 0.3);
        }
        .rank-number.normal {
            background: #F5F3F0;
            color: #6A6A7E;
            font-weight: 600;
        }
        .ranking-info {
            flex: 1;
            min-width: 0;
        }
        .ranking-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #1A1A2E;
            margin-bottom: 0.2rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .ranking-info p {
            font-size: 0.85rem;
            color: #7A7A8E;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .ranking-badge {
            flex-shrink: 0;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 0.3rem 0.75rem;
            border-radius: 999px;
            white-space: nowrap;
        }
        .badge-hot {
            background: #FFF0ED;
            color: #C83C2B;
        }
        .badge-new {
            background: #EDF7F0;
            color: #2E7D52;
        }
        .badge-popular {
            background: #FFF8EB;
            color: #D4891A;
        }

        /* Card Grid */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.4rem;
        }
        .content-card {
            background: #FFF;
            border-radius: var(--radius-2xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            border: 1px solid transparent;
            display: flex;
            flex-direction: column;
        }
        .content-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #F0E8E4;
        }
        .content-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #F0EDE8;
        }
        .content-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .content-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .card-img-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: #C83C2B;
            color: #FFF;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.7rem;
            border-radius: 999px;
            letter-spacing: 0.03em;
            z-index: 2;
        }
        .content-card .card-body {
            padding: 1.2rem 1.3rem 1.3rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .content-card .card-body h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: #1A1A2E;
            margin-bottom: 0.4rem;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .content-card .card-body .card-excerpt {
            font-size: 0.88rem;
            color: #6A6A7E;
            line-height: 1.55;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0.8rem;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            font-size: 0.8rem;
            color: #9A9AAC;
        }
        .card-meta span {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        /* Highlight block */
        .highlight-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
            background: #FFF;
            border-radius: var(--radius-2xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid #F0EDE8;
        }
        .highlight-block .hl-image {
            aspect-ratio: 4 / 3;
            overflow: hidden;
        }
        .highlight-block .hl-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .highlight-block .hl-body {
            padding: 2rem 2rem 2rem 0;
        }
        .highlight-block .hl-body h3 {
            font-size: 1.45rem;
            font-weight: 700;
            color: #1A1A2E;
            margin-bottom: 0.7rem;
            line-height: 1.35;
        }
        .highlight-block .hl-body p {
            font-size: 0.95rem;
            color: #5A5A6E;
            line-height: 1.7;
            margin-bottom: 1rem;
        }

        /* Tags */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
        }
        .tag-item {
            display: inline-block;
            padding: 0.55rem 1.2rem;
            font-size: 0.9rem;
            font-weight: 500;
            border-radius: 999px;
            background: #FFF;
            color: #4A4A5E;
            border: 1px solid #E8E5E0;
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }
        .tag-item:hover {
            background: #FFF0ED;
            border-color: #E8C5BD;
            color: #C83C2B;
        }
        .tag-item.tag-active {
            background: #C83C2B;
            color: #FFF;
            border-color: #C83C2B;
        }

        /* Stats */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.2rem;
        }
        .stat-card {
            background: #FFF;
            border-radius: var(--radius-xl);
            padding: 1.5rem 1.3rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid #F5F2EE;
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .stat-card .stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: #C83C2B;
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 0.35rem;
        }
        .stat-card .stat-label {
            font-size: 0.88rem;
            color: #6A6A7E;
            font-weight: 500;
        }

        /* CTA */
        .cta-block {
            background: linear-gradient(135deg, #1A1A2E 0%, #252540 100%);
            border-radius: var(--radius-2xl);
            padding: 3rem 2.5rem;
            text-align: center;
            color: #FFF;
        }
        .cta-block h3 {
            font-size: 1.65rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
            letter-spacing: -0.01em;
        }
        .cta-block p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 1.5rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-primary {
            display: inline-block;
            background: #C83C2B;
            color: #FFF;
            padding: 0.75rem 2rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            box-shadow: 0 4px 14px rgba(200, 60, 43, 0.35);
        }
        .btn-primary:hover {
            background: #A83225;
            box-shadow: 0 6px 20px rgba(200, 60, 43, 0.45);
            transform: translateY(-1px);
        }
        .btn-outline {
            display: inline-block;
            background: transparent;
            color: #C83C2B;
            border: 1.5px solid #C83C2B;
            padding: 0.7rem 1.8rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
        }
        .btn-outline:hover {
            background: #FFF0ED;
            border-color: #A83225;
            color: #A83225;
        }

        /* Footer */
        .site-footer {
            background: #1A1A2E;
            color: #C0C0D0;
            padding: 3rem 0 1.5rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .site-footer .footer-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #FFF;
            margin-bottom: 0.7rem;
            letter-spacing: -0.02em;
        }
        .site-footer .footer-brand p {
            font-size: 0.88rem;
            color: #A0A0B4;
            line-height: 1.7;
        }
        .site-footer .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #E0E0EC;
            margin-bottom: 0.8rem;
            letter-spacing: 0.03em;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 0.45rem;
        }
        .site-footer .footer-col ul li a {
            font-size: 0.88rem;
            color: #A0A0B4;
            transition: color var(--transition-base);
        }
        .site-footer .footer-col ul li a:hover {
            color: #E85D4A;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.2rem;
            text-align: center;
            font-size: 0.82rem;
            color: #8888A0;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .highlight-block {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .highlight-block .hl-body {
                padding: 1.5rem;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .category-banner h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 56px;
            }
            .menu-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #FFF;
                flex-direction: column;
                padding: 0.8rem 1rem;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
                border-radius: 0 0 var(--radius-xl) var(--radius-xl);
                gap: 0.15rem;
                z-index: 99;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                display: block;
                padding: 0.65rem 1rem;
                border-radius: 0.5rem;
                width: 100%;
            }
            .card-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .category-banner {
                padding: 3rem 0;
            }
            .category-banner h1 {
                font-size: 1.65rem;
            }
            .category-banner .banner-desc {
                font-size: 0.95rem;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.8rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .highlight-block .hl-body {
                padding: 1.2rem;
            }
            .highlight-block .hl-body h3 {
                font-size: 1.2rem;
            }
            .cta-block {
                padding: 2rem 1.2rem;
            }
            .cta-block h3 {
                font-size: 1.35rem;
            }
            .ranking-item {
                padding: 0.8rem 1rem;
                gap: 0.7rem;
            }
            .rank-number {
                width: 34px;
                height: 34px;
                font-size: 0.95rem;
            }
            .ranking-info h4 {
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 0.9rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 0.6rem;
            }
            .category-banner h1 {
                font-size: 1.4rem;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .ranking-badge {
                font-size: 0.7rem;
                padding: 0.2rem 0.55rem;
            }
            .content-card .card-body h4 {
                font-size: 0.95rem;
            }
            .tag-item {
                font-size: 0.8rem;
                padding: 0.4rem 0.85rem;
            }
        }

/* roulang page: category6 */
:root {
            --brand: #e8833a;
            --brand-dark: #c56a2a;
            --brand-light: #f5a062;
            --brand-pale: #fef7f2;
            --accent: #1e40af;
            --accent-light: #3b82f6;
            --surface: #faf9f6;
            --card: #ffffff;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --text-soft: #94a3b8;
            --border-soft: #e8e5df;
            --border-card: #f0ede7;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04), 0 6px 20px rgba(0, 0, 0, 0.05);
            --shadow-card-hover: 0 4px 12px rgba(0, 0, 0, 0.06), 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 1px 0 rgba(0, 0, 0, 0.04), 0 4px 16px rgba(0, 0, 0, 0.03);
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            line-height: 1.7;
            color: #1e293b;
            background-color: #faf9f6;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            font-size: inherit;
        }
        input {
            font-family: inherit;
            font-size: inherit;
        }
        ul {
            list-style: none;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            width: 100%;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 1rem;
            }
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-nav);
            border-bottom: 1px solid var(--border-soft);
            transition: all var(--transition-base);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, #e8833a, #d97706);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: #1e293b;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .logo-text span {
            color: #e8833a;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: wrap;
            justify-content: flex-end;
        }
        .nav-links li {
            list-style: none;
        }
        .nav-links a {
            display: inline-block;
            padding: 0.45rem 0.9rem;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #475569;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
            position: relative;
        }
        .nav-links a:hover {
            color: #e8833a;
            background: #fef7f2;
        }
        .nav-links a.active-nav {
            color: #e8833a;
            background: #fef7f2;
            font-weight: 600;
        }
        .nav-links a.active-nav::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 4px;
            background: #e8833a;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: #475569;
            padding: 0.4rem;
            border-radius: 8px;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .mobile-toggle:hover {
            background: #f1f5f9;
            color: #e8833a;
        }
        @media (max-width: 1024px) {
            .nav-links a {
                padding: 0.4rem 0.6rem;
                font-size: 0.82rem;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: 58px;
                padding: 0 1rem;
            }
            .mobile-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
                width: 40px;
                height: 40px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 58px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 0.5rem 1rem 1rem;
                box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
                border-bottom: 1px solid #e8e5df;
                border-radius: 0 0 16px 16px;
                z-index: 999;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                padding: 0.7rem 1rem;
                border-radius: 8px;
                font-size: 0.95rem;
                width: 100%;
            }
            .nav-links a.active-nav::after {
                display: none;
            }
            .nav-links a.active-nav {
                border-left: 3px solid #e8833a;
                border-radius: 0 8px 8px 0;
            }
        }

        /* ========== SECTION TITLES ========== */
        .section-label {
            display: inline-block;
            padding: 0.3rem 0.9rem;
            background: #fef7f2;
            color: #e8833a;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 0.75rem;
        }
        .section-heading {
            font-size: 2rem;
            font-weight: 700;
            color: #1e293b;
            letter-spacing: -0.01em;
            margin-bottom: 0.6rem;
        }
        .section-subheading {
            font-size: 1.05rem;
            color: #64748b;
            max-width: 600px;
            margin: 0 auto 2.5rem;
            line-height: 1.65;
        }
        @media (max-width: 768px) {
            .section-heading {
                font-size: 1.5rem;
            }
            .section-subheading {
                font-size: 0.95rem;
                margin-bottom: 1.8rem;
            }
        }

        /* ========== CARDS ========== */
        .card-base {
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-card);
            transition: all var(--transition-base);
        }
        .card-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .card-clickable {
            cursor: pointer;
        }

        /* ========== BUTTONS ========== */
        .btn-brand {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.6rem;
            background: #e8833a;
            color: #fff;
            font-weight: 600;
            border-radius: 10px;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
            box-shadow: 0 2px 6px rgba(232, 131, 58, 0.25);
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-brand:hover {
            background: #c56a2a;
            box-shadow: 0 4px 14px rgba(232, 131, 58, 0.35);
            transform: translateY(-1px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.65rem 1.5rem;
            background: transparent;
            color: #e8833a;
            font-weight: 600;
            border-radius: 10px;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
            border: 2px solid #e8833a;
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: #fef7f2;
            border-color: #c56a2a;
            color: #c56a2a;
        }
        .btn-lg {
            padding: 0.85rem 2rem;
            font-size: 1rem;
            border-radius: 12px;
        }

        /* ========== BADGE / TAG ========== */
        .tag-pill {
            display: inline-block;
            padding: 0.25rem 0.7rem;
            border-radius: 16px;
            font-size: 0.78rem;
            font-weight: 500;
            letter-spacing: 0.02em;
        }
        .tag-beginner {
            background: #ecfdf5;
            color: #059669;
        }
        .tag-tip {
            background: #fffbeb;
            color: #d97706;
        }
        .tag-warn {
            background: #fef2f2;
            color: #dc2626;
        }

        /* ========== STEP NUMBER ========== */
        .step-number {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, #e8833a, #d97706);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(232, 131, 58, 0.3);
        }

        /* ========== HERO BANNER ========== */
        .hero-banner {
            position: relative;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            border-radius: 0 0 2rem 2rem;
            overflow: hidden;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 41, 59, 0.82) 0%, rgba(30, 41, 59, 0.55) 50%, rgba(30, 41, 59, 0.7) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
            padding: 3rem 1.5rem;
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
        }
        @media (max-width: 768px) {
            .hero-banner {
                min-height: 340px;
                border-radius: 0 0 1.25rem 1.25rem;
            }
            .hero-content {
                padding: 2rem 1rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1e293b;
            color: #cbd5e1;
            padding: 3rem 1.5rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer-brand .footer-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: #94a3b8;
            line-height: 1.6;
            max-width: 280px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 0.9rem;
            letter-spacing: 0.02em;
        }
        .footer-col ul li {
            margin-bottom: 0.45rem;
        }
        .footer-col ul li a {
            color: #94a3b8;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #f5a062;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 1.8rem;
            margin-top: 2rem;
            border-top: 1px solid #334155;
            font-size: 0.82rem;
            color: #64748b;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .site-footer {
                padding: 2rem 1rem 1.2rem;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== ANIMATIONS ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-in {
            animation: fadeInUp 0.5s ease forwards;
        }
        .delay-1 {
            animation-delay: 0.1s;
            opacity: 0;
        }
        .delay-2 {
            animation-delay: 0.2s;
            opacity: 0;
        }
        .delay-3 {
            animation-delay: 0.3s;
            opacity: 0;
        }

        /* ========== MISC ========== */
        .divider-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #e8833a;
            display: inline-block;
            margin: 0 0.6rem;
            vertical-align: middle;
        }
        .highlight-box {
            background: #fef7f2;
            border-left: 4px solid #e8833a;
            padding: 1rem 1.25rem;
            border-radius: 0 10px 10px 0;
            margin: 1rem 0;
        }
        .highlight-box p {
            margin: 0;
            color: #78350f;
            font-size: 0.93rem;
            line-height: 1.6;
        }