/* roulang page: index */
:root {
            --color-primary: #C41E3A;
            --color-primary-dark: #9B1A2E;
            --color-primary-light: #E8475B;
            --color-primary-soft: #FDE8EC;
            --color-gold: #C8963E;
            --color-gold-light: #E0B866;
            --color-gold-soft: #FBF3E4;
            --color-dark: #1a1a2e;
            --color-dark-secondary: #16213e;
            --color-dark-tertiary: #0f0f1f;
            --color-gray-50: #f9fafb;
            --color-gray-100: #f3f4f6;
            --color-gray-200: #e5e7eb;
            --color-gray-300: #d1d5db;
            --color-gray-400: #9ca3af;
            --color-gray-500: #6b7280;
            --color-gray-600: #4b5563;
            --color-gray-700: #374151;
            --color-gray-800: #1f2937;
            --color-gray-900: #111827;
            --color-white: #ffffff;
            --color-success: #10B981;
            --color-warning: #F59E0B;
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.13), 0 3px 8px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 14px 44px rgba(0, 0, 0, 0.16), 0 4px 12px rgba(0, 0, 0, 0.07);
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.07), 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 8px 30px rgba(0, 0, 0, 0.14), 0 3px 10px rgba(0, 0, 0, 0.06);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Monaco', monospace;
            --transition-fast: 0.18s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.35s ease;
            --container-max: 1200px;
            --container-narrow: 960px;
            --header-height: 72px;
            --nav-panel-height: 64px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            text-size-adjust: 100%;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-gray-800);
            background-color: var(--color-gray-50);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            overflow-x: hidden;
            line-height: 1.7;
            letter-spacing: 0.01em;
        }

        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;
            background: none;
            font-size: inherit;
        }

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

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-gray-900);
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-narrow {
            width: 100%;
            max-width: var(--container-narrow);
            margin: 0 auto;
            padding: 0 20px;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* Skip link */
        .skip-link {
            position: absolute;
            top: -100px;
            left: 20px;
            background: var(--color-primary);
            color: var(--color-white);
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            z-index: 10000;
            font-weight: 600;
            transition: top var(--transition-fast);
        }
        .skip-link:focus {
            top: 10px;
        }

        /* ========== HEADER / NAV PANEL ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-gray-200);
            padding: 0;
            height: auto;
            box-shadow: var(--shadow-xs);
        }

        .nav-panel {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 20px;
            max-width: var(--container-max);
            margin: 0 auto;
            gap: 16px;
            min-height: var(--header-height);
            flex-wrap: nowrap;
            background: var(--color-white);
            border-radius: 0;
            position: relative;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
            color: var(--color-gray-900);
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.01em;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-brand:hover {
            color: var(--color-primary);
        }
        .nav-brand-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-white);
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(196, 30, 58, 0.3);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            flex-shrink: 1;
            padding: 4px 0;
        }
        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.93rem;
            color: var(--color-gray-700);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            background: transparent;
            text-decoration: none;
        }
        .nav-link:hover {
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }
        .nav-link:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: var(--radius-md);
        }
        .nav-link.active {
            color: var(--color-white);
            background: var(--color-primary);
            box-shadow: 0 2px 10px rgba(196, 30, 58, 0.3);
        }
        .nav-link.active:hover {
            background: var(--color-primary-dark);
            color: var(--color-white);
        }
        .nav-link-icon {
            font-size: 0.85rem;
            opacity: 0.8;
        }

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

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 18px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
            background: var(--color-gold);
            color: var(--color-white);
            box-shadow: 0 2px 8px rgba(200, 150, 62, 0.35);
            text-decoration: none;
        }
        .btn-nav-cta:hover {
            background: var(--color-gold-light);
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.45);
            transform: translateY(-1px);
        }
        .btn-nav-cta:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }

        .search-toggle {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-gray-600);
            background: var(--color-gray-100);
            transition: all var(--transition-fast);
            font-size: 1rem;
            flex-shrink: 0;
        }
        .search-toggle:hover {
            background: var(--color-gray-200);
            color: var(--color-gray-900);
        }

        .hamburger {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            background: var(--color-gray-100);
            transition: all var(--transition-fast);
            flex-shrink: 0;
            z-index: 1001;
        }
        .hamburger span {
            display: block;
            width: 20px;
            height: 2.5px;
            border-radius: 2px;
            background: var(--color-gray-700);
            transition: all var(--transition-fast);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-gray-200);
            box-shadow: var(--shadow-lg);
            padding: 12px 20px 20px;
            z-index: 999;
            flex-direction: column;
            gap: 6px;
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .nav-link {
            width: 100%;
            justify-content: flex-start;
            padding: 13px 16px;
            font-size: 1rem;
            border-radius: var(--radius-md);
        }

        /* Search overlay */
        .search-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 2000;
            align-items: flex-start;
            justify-content: center;
            padding-top: 120px;
        }
        .search-overlay.open {
            display: flex;
        }
        .search-overlay-inner {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            width: 90%;
            max-width: 560px;
            box-shadow: var(--shadow-xl);
            display: flex;
            gap: 12px;
            align-items: center;
        }
        .search-overlay-inner input {
            flex: 1;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            border: 2px solid var(--color-gray-300);
            font-size: 1rem;
            transition: border var(--transition-fast);
            background: var(--color-gray-50);
        }
        .search-overlay-inner input:focus {
            border-color: var(--color-primary);
            background: var(--color-white);
        }
        .search-overlay-close {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-gray-100);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--color-gray-600);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .search-overlay-close:hover {
            background: var(--color-gray-200);
            color: var(--color-gray-900);
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            background: linear-gradient(135deg, var(--color-dark-tertiary) 0%, var(--color-dark) 40%, var(--color-dark-secondary) 100%);
            color: var(--color-white);
            padding: 80px 0 90px;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
            filter: blur(1px);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(196, 30, 58, 0.25) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 40%, rgba(200, 150, 62, 0.15) 0%, transparent 55%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .hero-text {
            max-width: 580px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--color-gold-light);
            padding: 7px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 18px;
            backdrop-filter: blur(4px);
        }
        .hero h1 {
            font-size: clamp(2.2rem, 4vw, 3.2rem);
            font-weight: 900;
            color: var(--color-white);
            margin-bottom: 14px;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .hero h1 .highlight {
            color: var(--color-gold-light);
            position: relative;
        }
        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 10px;
            font-weight: 500;
            line-height: 1.6;
        }
        .hero-desc {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 26px;
            line-height: 1.8;
            max-width: 520px;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            background: var(--color-primary);
            color: var(--color-white);
            box-shadow: 0 6px 24px rgba(196, 30, 58, 0.45);
            transition: all var(--transition);
            text-decoration: none;
        }
        .btn-hero-primary:hover {
            background: var(--color-primary-light);
            box-shadow: 0 8px 30px rgba(196, 30, 58, 0.55);
            transform: translateY(-2px);
        }
        .btn-hero-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            background: rgba(255, 255, 255, 0.1);
            color: var(--color-white);
            border: 2px solid rgba(255, 255, 255, 0.35);
            transition: all var(--transition);
            text-decoration: none;
            backdrop-filter: blur(4px);
        }
        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.55);
            transform: translateY(-2px);
        }
        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-stat-cards {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            width: 100%;
            max-width: 440px;
        }
        .hero-stat-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-lg);
            padding: 22px 18px;
            text-align: center;
            backdrop-filter: blur(6px);
            transition: all var(--transition);
        }
        .hero-stat-card:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(255, 255, 255, 0.3);
            transform: translateY(-3px);
        }
        .hero-stat-number {
            font-size: 2rem;
            font-weight: 900;
            color: var(--color-gold-light);
            line-height: 1;
            margin-bottom: 6px;
        }
        .hero-stat-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 70px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-label {
            display: inline-block;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: clamp(1.6rem, 2.8vw, 2.2rem);
            font-weight: 800;
            color: var(--color-gray-900);
            margin-bottom: 10px;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--color-gray-500);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* Stats Grid */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-gray-100);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-gold));
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            opacity: 0;
            transition: opacity var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .stat-card:hover::before {
            opacity: 1;
        }
        .stat-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.4rem;
            color: var(--color-primary);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--color-gray-900);
            line-height: 1;
            margin-bottom: 6px;
            font-variant-numeric: tabular-nums;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-gray-500);
            font-weight: 500;
        }

        /* Advantages Grid */
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }
        .advantage-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 30px 22px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-gray-100);
            transition: all var(--transition);
            text-align: center;
        }
        .advantage-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--color-primary-soft);
        }
        .advantage-icon-wrap {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary-soft), #fef0f3);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.6rem;
            color: var(--color-primary);
        }
        .advantage-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-gray-900);
        }
        .advantage-card p {
            font-size: 0.9rem;
            color: var(--color-gray-500);
            line-height: 1.65;
        }

        /* Category Grid */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .category-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-gray-100);
            transition: all var(--transition);
            text-decoration: none;
            color: inherit;
            display: block;
        }
        .category-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-5px);
        }
        .category-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }
        .category-card-body {
            padding: 18px 16px 20px;
        }
        .category-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-gray-900);
        }
        .category-card-body p {
            font-size: 0.85rem;
            color: var(--color-gray-500);
            line-height: 1.55;
        }
        .category-card-arrow {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.88rem;
            margin-top: 8px;
            transition: gap var(--transition-fast);
        }
        .category-card:hover .category-card-arrow {
            gap: 9px;
        }

        /* Brand Story */
        .brand-story-section {
            background: var(--color-dark);
            color: var(--color-white);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }
        .brand-story-bg {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: 0;
        }
        .brand-story-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .brand-story-text h2 {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 800;
            color: var(--color-white);
            margin-bottom: 16px;
        }
        .brand-story-text .accent-line {
            width: 50px;
            height: 3px;
            background: var(--color-gold);
            border-radius: 3px;
            margin-bottom: 20px;
        }
        .brand-story-text p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.9;
            margin-bottom: 14px;
        }
        .brand-story-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
            border: 2px solid rgba(255, 255, 255, 0.12);
        }
        .brand-story-image img {
            width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-xl);
        }

        /* Hot Events */
        .events-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .event-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-gray-100);
            transition: all var(--transition);
        }
        .event-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .event-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .event-card-body {
            padding: 18px 16px 20px;
        }
        .event-tag {
            display: inline-block;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .event-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-gray-900);
        }
        .event-card-body p {
            font-size: 0.85rem;
            color: var(--color-gray-500);
            line-height: 1.55;
        }

        /* Testimonials */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .testimonial-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-gray-100);
            position: relative;
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .testimonial-card::before {
            content: '\201C';
            position: absolute;
            top: 10px;
            left: 18px;
            font-size: 3.5rem;
            color: var(--color-primary-soft);
            line-height: 1;
            font-weight: 900;
            pointer-events: none;
        }
        .testimonial-text {
            font-size: 0.93rem;
            color: var(--color-gray-600);
            line-height: 1.7;
            margin-bottom: 16px;
            padding-top: 10px;
            position: relative;
            z-index: 1;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-gray-200);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-gray-600);
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .testimonial-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-gray-900);
        }
        .testimonial-role {
            font-size: 0.78rem;
            color: var(--color-gray-400);
        }

        /* News Grid */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .news-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-gray-100);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .news-card-img {
            width: 100%;
            height: 190px;
            object-fit: cover;
            display: block;
        }
        .news-card-body {
            padding: 18px 16px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-date {
            font-size: 0.78rem;
            color: var(--color-gray-400);
            margin-bottom: 8px;
            font-weight: 500;
        }
        .news-card-body h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-gray-900);
            line-height: 1.4;
        }
        .news-card-body p {
            font-size: 0.85rem;
            color: var(--color-gray-500);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }
        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--color-primary);
            transition: all var(--transition-fast);
            text-decoration: none;
            align-self: flex-start;
        }
        .btn-read-more:hover {
            color: var(--color-primary-dark);
            gap: 8px;
        }

        /* Partners */
        .partners-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 28px;
            padding: 20px 0;
        }
        .partner-logo {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 16px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-gray-200);
            font-weight: 700;
            color: var(--color-gray-600);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            text-align: center;
            min-width: 100px;
        }
        .partner-logo:hover {
            box-shadow: var(--shadow-md);
            color: var(--color-gray-900);
            border-color: var(--color-gray-300);
            transform: translateY(-2px);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-gray-200);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-xs);
        }
        .faq-item:hover {
            border-color: var(--color-gray-300);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-gray-900);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            background: transparent;
            transition: color var(--transition-fast);
            line-height: 1.5;
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: var(--radius-md);
        }
        .faq-icon {
            font-size: 0.7rem;
            color: var(--color-gray-400);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-gray-600);
            line-height: 1.75;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: var(--color-white);
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-content h2 {
            font-size: clamp(1.6rem, 2.6vw, 2.1rem);
            font-weight: 800;
            color: var(--color-white);
            margin-bottom: 12px;
        }
        .cta-content p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 26px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            padding: 15px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            background: var(--color-white);
            color: var(--color-primary);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
            transition: all var(--transition);
            text-decoration: none;
        }
        .btn-cta-large:hover {
            background: var(--color-gold-soft);
            color: var(--color-primary-dark);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3);
            transform: translateY(-3px);
        }

        /* Footer */
        .site-footer {
            background: var(--color-gray-900);
            color: var(--color-gray-400);
            padding: 50px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand .nav-brand {
            color: var(--color-white);
            font-size: 1.3rem;
            margin-bottom: 10px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            color: var(--color-gray-500);
        }
        .footer-col h4 {
            color: var(--color-white);
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--color-gray-500);
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .footer-col ul li a:hover {
            color: var(--color-white);
        }
        .footer-bottom {
            border-top: 1px solid var(--color-gray-800);
            padding-top: 22px;
            text-align: center;
            font-size: 0.82rem;
            color: var(--color-gray-600);
        }
        .footer-bottom strong {
            color: var(--color-gray-400);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .hero-visual {
                order: -1;
            }
            .hero-stat-cards {
                grid-template-columns: repeat(4, 1fr);
                max-width: 100%;
                gap: 10px;
            }
            .hero-stat-card {
                padding: 16px 10px;
            }
            .hero-stat-number {
                font-size: 1.5rem;
            }
            .hero-stat-label {
                font-size: 0.72rem;
            }
            .hero {
                padding: 50px 0 60px;
                min-height: auto;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .advantages-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .events-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .brand-story-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .nav-links {
                gap: 3px;
            }
            .nav-link {
                padding: 8px 11px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-actions .btn-nav-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .hero {
                padding: 40px 0 50px;
                min-height: auto;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-desc {
                font-size: 0.88rem;
            }
            .hero-stat-cards {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .hero-stat-card {
                padding: 14px 10px;
            }
            .hero-stat-number {
                font-size: 1.3rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .advantages-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .advantage-card {
                padding: 20px 14px;
            }
            .category-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .events-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .section {
                padding: 45px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .partners-row {
                gap: 14px;
            }
            .partner-logo {
                padding: 12px 16px;
                font-size: 0.8rem;
                min-width: 80px;
            }
            .cta-section {
                padding: 50px 0;
            }
            .search-overlay-inner {
                width: 95%;
                padding: 20px 16px;
            }
        }

        @media (max-width: 520px) {
            .nav-panel {
                padding: 8px 12px;
                gap: 8px;
                min-height: 56px;
            }
            .nav-brand {
                font-size: 1.1rem;
            }
            .nav-brand-icon {
                width: 34px;
                height: 34px;
                font-size: 0.9rem;
                border-radius: var(--radius-sm);
            }
            .hero {
                padding: 30px 0 40px;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 10px;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .hero-stat-cards {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .hero-stat-card {
                padding: 12px 8px;
            }
            .hero-stat-number {
                font-size: 1.1rem;
            }
            .hero-stat-label {
                font-size: 0.7rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 16px 10px;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .stat-icon {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
                margin-bottom: 10px;
            }
            .advantages-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .category-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .category-card-img {
                height: 160px;
            }
            .events-grid {
                grid-template-columns: 1fr;
            }
            .event-card-img {
                height: 170px;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .news-card-img {
                height: 170px;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .section {
                padding: 36px 0;
            }
            .container {
                padding: 0 14px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer p {
                font-size: 0.82rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .mobile-menu .nav-link {
                font-size: 0.9rem;
                padding: 11px 14px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1a3a6b;
            --primary-light: #2c5282;
            --primary-dark: #0f2440;
            --accent: #e6b422;
            --accent-hover: #c99a1a;
            --accent-light: #fdf3d0;
            --bg: #f7f9fc;
            --bg-white: #ffffff;
            --bg-light: #edf2f7;
            --text: #1a202c;
            --text-secondary: #4a5568;
            --text-muted: #718096;
            --border: #e2e8f0;
            --border-light: #edf2f7;
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition);
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 导航栏 - 卡片化面板 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            flex-wrap: wrap;
            gap: 16px;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.3px;
            text-decoration: none;
            transition: opacity var(--transition);
        }
        .nav-brand:hover {
            opacity: 0.85;
        }

        .nav-brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 1.2rem;
            font-weight: 800;
            box-shadow: var(--shadow-md);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-light);
            border-radius: 50px;
            padding: 5px 6px;
            flex-wrap: wrap;
            box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.04);
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(26, 58, 107, 0.06);
        }
        .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-md);
            font-weight: 600;
        }
        .nav-link-icon {
            font-size: 0.85rem;
            opacity: 0.8;
        }

        .header-cta {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-outline-sm {
            padding: 9px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            border: 1.5px solid var(--primary);
            color: var(--primary);
            background: transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-outline-sm:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        .btn-accent-sm {
            padding: 9px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--accent);
            color: #1a202c;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-accent-sm:hover {
            background: var(--accent-hover);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .mobile-menu-btn {
            display: none;
            font-size: 1.4rem;
            color: var(--primary);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            background: var(--bg-light);
            border: 1px solid var(--border);
        }

        /* 主内容区 */
        main {
            min-height: 60vh;
        }

        .page-banner {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, #1e4d8c 100%);
            color: #fff;
            padding: 60px 0 70px;
            position: relative;
            overflow: hidden;
            border-bottom: 3px solid var(--accent);
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.12;
            mix-blend-mode: overlay;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .page-banner h1 {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .page-banner .subtitle {
            font-size: 1.1rem;
            opacity: 0.9;
            max-width: 650px;
            line-height: 1.7;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            margin-bottom: 20px;
            opacity: 0.8;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: #fff;
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .breadcrumb span {
            opacity: 0.7;
        }

        /* 板块通用 */
        .section {
            padding: 64px 0;
        }
        .section-sm {
            padding: 48px 0;
        }
        .section-bg {
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .section-desc {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 700px;
            margin: 0 auto 40px;
            text-align: center;
        }

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border);
        }
        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            background: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 18px;
        }
        .card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }
        .card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .chart-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .chart-card:hover {
            box-shadow: var(--shadow-xl);
        }
        .chart-card-header {
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .chart-card-header h3 {
            font-size: 1.15rem;
            font-weight: 700;
        }
        .chart-card-body {
            padding: 20px 24px;
            background: #fafbfc;
        }
        .chart-placeholder {
            background: linear-gradient(135deg, #edf2f7 0%, #e2e8f0 100%);
            border-radius: var(--radius);
            height: 240px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.95rem;
            border: 2px dashed var(--border);
        }
        .chart-placeholder i {
            margin-right: 8px;
            font-size: 1.2rem;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--accent-light);
            color: #7c5e10;
        }
        .tag-blue {
            background: #e6f0ff;
            color: var(--primary);
        }

        .feature-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .feature-list li:last-child {
            border-bottom: none;
        }
        .feature-list i {
            color: var(--accent);
            font-size: 1.1rem;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .info-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .info-text h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .info-text p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius);
            padding: 22px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: default;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border);
        }
        .faq-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-item h3 i {
            color: var(--accent);
            font-size: 0.9rem;
        }
        .faq-item p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-left: 28px;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            text-align: center;
            border-radius: var(--radius-xl);
            padding: 48px 32px;
            margin: 0 20px;
        }
        .cta-section h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .btn-accent-lg {
            display: inline-block;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 700;
            background: var(--accent);
            color: #1a202c;
            box-shadow: var(--shadow-lg);
            transition: all var(--transition);
            margin-top: 16px;
        }
        .btn-accent-lg:hover {
            background: #f0c040;
            transform: translateY(-2px);
            box-shadow: var(--shadow-xl);
        }

        /* 页脚 */
        .site-footer {
            background: var(--primary-dark);
            color: #cbd5e0;
            padding: 48px 0 24px;
            font-size: 0.9rem;
            margin-top: 48px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand p {
            margin-top: 14px;
            line-height: 1.7;
            opacity: 0.8;
        }
        .footer-col h4 {
            color: #fff;
            font-weight: 600;
            margin-bottom: 14px;
            font-size: 0.95rem;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col a {
            color: #a0aec0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            color: #718096;
            font-size: 0.85rem;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .info-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-direction: column;
                align-items: stretch;
            }
            .nav-links {
                justify-content: center;
                flex-wrap: wrap;
                gap: 4px;
                padding: 4px;
            }
            .nav-link {
                padding: 8px 14px;
                font-size: 0.85rem;
            }
            .header-cta {
                justify-content: center;
            }
            .grid-3,
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .section {
                padding: 44px 0;
            }
            .page-banner {
                padding: 40px 0 50px;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .mobile-menu-btn {
                display: inline-block;
            }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                border-radius: var(--radius);
                background: #fff;
                box-shadow: var(--shadow-lg);
                padding: 12px;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-link {
                border-radius: var(--radius-sm);
                justify-content: center;
            }
            .cta-section {
                margin: 0 10px;
                padding: 32px 20px;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                gap: 10px;
            }
            .chart-card-header {
                flex-direction: column;
                align-items: flex-start;
            }
            .page-banner h1 {
                font-size: 1.4rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #c0392b;
            --color-primary-dark: #a93226;
            --color-primary-light: #e74c3c;
            --color-accent: #e67e22;
            --color-accent-light: #f0a04b;
            --color-bg: #f7f5f2;
            --color-bg-alt: #fefefd;
            --color-bg-dark: #1a1a1a;
            --color-bg-card: #ffffff;
            --color-text: #2c2c2c;
            --color-text-secondary: #5c5c5c;
            --color-text-weak: #8a8a8a;
            --color-border: #e2ded8;
            --color-border-light: #ece8e2;
            --color-success: #27ae60;
            --color-warning: #f39c12;
            --color-gold: #d4a017;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 26px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.07);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 14px 36px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 22px 50px rgba(0, 0, 0, 0.15);
            --font-sans: 'PingFang SC', 'Helvetica Neue', 'Microsoft YaHei', 'Segoe UI', system-ui, sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Monaco', monospace;
            --spacing-xs: 6px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-2xl: 68px;
            --spacing-3xl: 90px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1200px;
            --nav-height: 68px;
        }

        *,
        *::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: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.35;
            font-weight: 700;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        @media (min-width: 768px) {
            .container {
                padding: 0 var(--spacing-lg);
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding: 0 var(--spacing-xl);
            }
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            background-color: #ffffff;
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-xs);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        @media (min-width: 768px) {
            .header-inner {
                padding: 0 var(--spacing-lg);
            }
        }
        @media (min-width: 1024px) {
            .header-inner {
                padding: 0 var(--spacing-xl);
            }
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: 1px;
            white-space: nowrap;
            cursor: pointer;
            transition: opacity var(--transition-fast);
        }
        .nav-brand:hover {
            opacity: 0.85;
            color: var(--color-text);
        }
        .nav-brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: #fff;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            font-size: 0.9rem;
            font-weight: 900;
            letter-spacing: 0;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            background: #f8f7f4;
            border-radius: var(--radius-xl);
            padding: 5px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-links::-webkit-scrollbar {
            display: none;
        }
        .nav-link {
            display: flex;
            align-items: center;
            gap: 5px;
            padding: 9px 16px;
            border-radius: var(--radius-xl);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            white-space: nowrap;
            transition: all var(--transition-base);
            position: relative;
            cursor: pointer;
        }
        .nav-link:hover {
            color: var(--color-text);
            background: rgba(0, 0, 0, 0.03);
        }
        .nav-link.active {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .nav-link.active:hover {
            background: var(--color-primary-dark);
            color: #fff;
        }
        .nav-link-icon {
            font-size: 0.8rem;
            flex-shrink: 0;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--color-text);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-menu-toggle:hover {
            background: #f0f0f0;
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                gap: 0;
                padding: 12px;
                border-radius: 0;
                box-shadow: var(--shadow-lg);
                display: none;
                z-index: 999;
                border-bottom: 2px solid var(--color-border-light);
            }
            .nav-links.mobile-open {
                display: flex;
            }
            .nav-link {
                padding: 13px 18px;
                border-radius: var(--radius-md);
                font-size: 0.95rem;
                width: 100%;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .header-inner {
                padding: 0 var(--spacing-sm);
            }
        }

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

        /* ========== PAGE HERO ========== */
        .page-hero {
            background: linear-gradient(170deg, #1a0f0a 0%, #2c1810 30%, #3d1f14 60%, #1a0f0a 100%);
            background-image:
                linear-gradient(170deg, rgba(26, 15, 10, 0.92) 0%, rgba(44, 24, 16, 0.88) 30%, rgba(61, 31, 20, 0.9) 60%, rgba(26, 15, 10, 0.94) 100%),
                url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #ffffff;
            padding: var(--spacing-3xl) 0 var(--spacing-2xl);
            position: relative;
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--color-bg) 0%, transparent 100%);
            pointer-events: none;
            z-index: 1;
        }
        .page-hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #f5cba7;
            padding: 7px 18px;
            border-radius: var(--radius-xl);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 2px;
            margin-bottom: var(--spacing-md);
            backdrop-filter: blur(8px);
        }
        .page-hero h1 {
            font-size: 2.3rem;
            font-weight: 900;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 2px;
            color: #fff;
        }
        .page-hero h1 .accent {
            color: #f0a04b;
        }
        .page-hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 640px;
            margin: 0 auto var(--spacing-lg);
            line-height: 1.7;
        }
        .hero-stats-mini {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-lg);
            justify-content: center;
            margin-top: var(--spacing-md);
        }
        .hero-stat-mini {
            text-align: center;
            min-width: 90px;
        }
        .hero-stat-mini .stat-num {
            font-size: 2rem;
            font-weight: 900;
            color: #f0a04b;
            letter-spacing: 1px;
            font-family: var(--font-mono);
        }
        .hero-stat-mini .stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 1px;
        }

        @media (max-width: 768px) {
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .page-hero-desc {
                font-size: 0.95rem;
            }
            .hero-stat-mini .stat-num {
                font-size: 1.5rem;
            }
            .page-hero {
                padding: var(--spacing-2xl) 0 var(--spacing-xl);
            }
        }

        /* ========== SECTION STYLES ========== */
        .section {
            padding: var(--spacing-2xl) 0;
        }
        @media (min-width: 768px) {
            .section {
                padding: var(--spacing-3xl) 0;
            }
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }
        .section-header h2 {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: 1px;
            margin-bottom: var(--spacing-xs);
        }
        .section-header .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-weak);
            max-width: 500px;
            margin: 0 auto;
        }
        .section-header .section-divider {
            display: inline-block;
            width: 48px;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            border-radius: 2px;
            margin-top: var(--spacing-sm);
        }

        /* ========== LOTTERY BALL STYLES ========== */
        .ball-red {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 35%, #f8716b, #c0392b);
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            letter-spacing: 1px;
            box-shadow: 0 3px 10px rgba(192, 57, 43, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.2);
            font-family: var(--font-mono);
        }
        .ball-blue {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 35%, #6da9f0, #2471a3);
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            letter-spacing: 1px;
            box-shadow: 0 3px 10px rgba(36, 113, 163, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.2);
            font-family: var(--font-mono);
        }
        @media (max-width: 520px) {
            .ball-red,
            .ball-blue {
                width: 36px;
                height: 36px;
                font-size: 0.9rem;
            }
        }

        /* ========== RESULT CARDS ========== */
        .result-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }
        @media (min-width: 768px) {
            .result-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-lg);
            }
        }
        @media (min-width: 1024px) {
            .result-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .result-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .result-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .result-card .card-badge {
            display: inline-block;
            background: var(--color-success);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-xl);
            letter-spacing: 1px;
            margin-bottom: var(--spacing-sm);
        }
        .result-card .card-badge.pending {
            background: var(--color-warning);
        }
        .result-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--color-text);
        }
        .result-card .card-period {
            font-size: 0.8rem;
            color: var(--color-text-weak);
            margin-bottom: var(--spacing-sm);
        }
        .result-card .balls-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: var(--spacing-sm);
            align-items: center;
        }
        .result-card .card-info-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: var(--color-text-secondary);
            border-top: 1px solid var(--color-border-light);
            padding-top: var(--spacing-sm);
            margin-top: var(--spacing-sm);
        }
        .result-card .jackpot {
            font-weight: 700;
            color: var(--color-primary);
            font-size: 0.9rem;
        }

        /* ========== DATA CATEGORY CARDS ========== */
        .category-card-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-md);
        }
        @media (min-width: 768px) {
            .category-card-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: var(--spacing-lg);
            }
        }
        @media (min-width: 1024px) {
            .category-card-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .category-card {
            background: var(--color-bg-card);
            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-md);
            transform: translateY(-4px);
            border-color: var(--color-border);
        }
        .category-card .card-img-wrap {
            height: 140px;
            overflow: hidden;
            position: relative;
        }
        .category-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .category-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .category-card .card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card .card-body h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .category-card .card-body p {
            font-size: 0.82rem;
            color: var(--color-text-weak);
            line-height: 1.5;
            flex: 1;
        }
        .category-card .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.85rem;
            margin-top: var(--spacing-sm);
            transition: gap var(--transition-fast);
        }
        .category-card .card-body .card-link:hover {
            gap: 8px;
            color: var(--color-primary-dark);
        }

        @media (max-width: 520px) {
            .category-card-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
        }

        /* ========== HISTORY QUERY BLOCK ========== */
        .history-block {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-lg);
            align-items: center;
            justify-content: space-between;
        }
        @media (max-width: 768px) {
            .history-block {
                flex-direction: column;
                text-align: center;
                padding: var(--spacing-lg);
            }
        }
        .history-block .history-info h3 {
            font-size: 1.2rem;
            margin-bottom: 4px;
        }
        .history-block .history-info p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            max-width: 400px;
        }
        .history-block .history-actions {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 11px 22px;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            border: none;
            transition: all var(--transition-base);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--color-border);
            color: var(--color-text);
        }
        .btn-outline:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(192, 57, 43, 0.04);
        }
        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .btn-accent:hover {
            background: #d35400;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            color: #fff;
        }

        /* ========== STATS BOARD ========== */
        .stats-board {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }
        @media (min-width: 768px) {
            .stats-board {
                grid-template-columns: repeat(4, 1fr);
                gap: var(--spacing-lg);
            }
        }
        .stat-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            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(-2px);
        }
        .stat-card .stat-icon {
            font-size: 2rem;
            margin-bottom: var(--spacing-sm);
            color: var(--color-accent);
        }
        .stat-card .stat-value {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--color-text);
            letter-spacing: 1px;
            font-family: var(--font-mono);
        }
        .stat-card .stat-label {
            font-size: 0.82rem;
            color: var(--color-text-weak);
            margin-top: 2px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-xs);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            padding: var(--spacing-md) var(--spacing-lg);
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--color-text);
            transition: color var(--transition-fast);
            gap: var(--spacing-sm);
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question .faq-icon {
            font-size: 0.85rem;
            transition: transform var(--transition-base);
            flex-shrink: 0;
            color: var(--color-text-weak);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 var(--spacing-lg);
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            background: #fcfcfa;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 var(--spacing-lg) var(--spacing-md);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, #2c1810 0%, #3d1f14 50%, #2c1810 100%);
            color: #fff;
            text-align: center;
            padding: var(--spacing-2xl) 0;
            border-radius: var(--radius-xl);
            margin: var(--spacing-2xl) auto;
            max-width: var(--max-width);
            position: relative;
            overflow: hidden;
        }
        @media (max-width: 1024px) {
            .cta-section {
                border-radius: 0;
                margin-left: 0;
                margin-right: 0;
                max-width: 100%;
            }
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .cta-section>* {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 1px;
        }
        .cta-section p {
            font-size: 0.95rem;
            opacity: 0.8;
            margin-bottom: var(--spacing-lg);
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn {
            font-size: 1rem;
            padding: 13px 28px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: #bbb;
            padding: var(--spacing-2xl) 0 var(--spacing-md);
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-xl);
        }
        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1fr;
                gap: var(--spacing-xl);
            }
        }
        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            margin-top: var(--spacing-sm);
            color: #999;
            max-width: 320px;
        }
        .footer-col h4 {
            color: #ddd;
            font-size: 0.95rem;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 1px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: #999;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #f0a04b;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            text-align: center;
            font-size: 0.8rem;
            color: #777;
        }
        .footer-bottom strong {
            color: #bbb;
        }

        /* ========== ANIMATIONS ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(28px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-in {
            animation: fadeInUp 0.6s ease forwards;
        }
        .animate-delay-1 {
            animation-delay: 0.1s;
        }
        .animate-delay-2 {
            animation-delay: 0.2s;
        }
        .animate-delay-3 {
            animation-delay: 0.3s;
        }
        .animate-delay-4 {
            animation-delay: 0.4s;
        }

/* roulang page: category1 */
:root {
            --primary: #C41E3A;
            --primary-dark: #9B1630;
            --primary-light: #FDF0F2;
            --primary-ghost: #FEF5F6;
            --accent: #D4A843;
            --accent-dark: #B89230;
            --accent-light: #FCF7ED;
            --bg: #F8F9FB;
            --bg-warm: #FFFCF9;
            --white: #FFFFFF;
            --text: #1F2937;
            --text-heading: #111827;
            --text-secondary: #6B7280;
            --text-weak: #9CA3AF;
            --border: #E5E7EB;
            --border-light: #F3F4F6;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 2px 6px rgba(0, 0, 0, 0.07), 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 6px 14px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.10), 0 4px 10px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.12), 0 6px 16px rgba(0, 0, 0, 0.05);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --radius-2xl: 24px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2.5rem;
            --spacing-xl: 3.5rem;
            --spacing-2xl: 5rem;
            --spacing-3xl: 7rem;
            --font-xs: 0.75rem;
            --font-sm: 0.875rem;
            --font-base: 1rem;
            --font-md: 1.125rem;
            --font-lg: 1.25rem;
            --font-xl: 1.5rem;
            --font-2xl: 1.875rem;
            --font-3xl: 2.25rem;
            --font-4xl: 3rem;
            --transition-fast: 0.15s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1200px;
            --nav-height: 68px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: var(--radius-xs);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
        }
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: var(--radius-xs);
        }

        input {
            font-family: inherit;
            font-size: inherit;
        }
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        ul {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-heading);
            line-height: 1.3;
            font-weight: 700;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        @media (min-width: 768px) {
            .container {
                padding: 0 var(--spacing-lg);
            }
        }
        @media (min-width: 1200px) {
            .container {
                padding: 0 var(--spacing-xl);
            }
        }

        /* ========== HEADER & NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--white);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-xs);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            height: 100%;
        }
        @media (min-width: 768px) {
            .header-inner {
                padding: 0 var(--spacing-lg);
            }
        }
        @media (min-width: 1200px) {
            .header-inner {
                padding: 0 var(--spacing-xl);
            }
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-xl);
            font-weight: 800;
            color: var(--text-heading);
            letter-spacing: -0.5px;
            white-space: nowrap;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }
        .nav-brand:hover {
            color: var(--primary);
        }
        .nav-brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius);
            font-weight: 900;
            font-size: var(--font-lg);
            letter-spacing: -1px;
            flex-shrink: 0;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }
        .nav-brand:hover .nav-brand-icon {
            background: var(--primary-dark);
            transform: scale(1.04);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .nav-link {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius);
            font-size: var(--font-sm);
            font-weight: 600;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.01em;
        }
        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-ghost);
        }
        .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 700;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--primary);
            border-radius: 0 0 3px 3px;
        }
        .nav-link-icon {
            font-size: 0.85em;
            opacity: 0.8;
        }

        /* Mobile nav toggle */
        .mobile-nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            z-index: 1001;
            background: none;
            border: none;
            width: 40px;
            height: 36px;
            justify-content: center;
            align-items: center;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-nav-toggle:hover {
            background: var(--border-light);
        }
        .mobile-nav-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--text-heading);
            border-radius: 2px;
            transition: all var(--transition);
            transform-origin: center;
        }
        .mobile-nav-toggle.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .mobile-nav-toggle.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .mobile-nav-toggle.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        @media (max-width: 860px) {
            .mobile-nav-toggle {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                bottom: 0;
                background: var(--white);
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                padding: var(--spacing-md);
                transform: translateX(100%);
                transition: transform var(--transition-slow);
                z-index: 999;
                overflow-y: auto;
                box-shadow: var(--shadow-xl);
            }
            .nav-links.open {
                transform: translateX(0);
            }
            .nav-link {
                padding: 14px 18px;
                font-size: var(--font-base);
                border-radius: var(--radius);
                justify-content: flex-start;
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-link.active {
                border-left: 3px solid var(--primary);
                border-radius: var(--radius-sm);
            }
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, #1a1a2e 0%, #2d1a24 40%, #3d1f2a 100%);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            padding: var(--spacing-3xl) 0;
            color: #fff;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(20, 10, 18, 0.75) 0%, rgba(25, 12, 20, 0.82) 60%, rgba(30, 15, 22, 0.9) 100%);
            z-index: 1;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .banner-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-sm);
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: var(--spacing-md);
            flex-wrap: wrap;
        }
        .banner-breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition-fast);
        }
        .banner-breadcrumb a:hover {
            color: #fff;
        }
        .banner-breadcrumb .separator {
            opacity: 0.5;
        }
        .banner-breadcrumb .current {
            color: var(--accent);
            font-weight: 600;
        }
        .page-banner h1 {
            font-size: var(--font-4xl);
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-sm);
            line-height: 1.15;
        }
        .page-banner .banner-subtitle {
            font-size: var(--font-lg);
            color: rgba(255, 255, 255, 0.85);
            max-width: 650px;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .page-banner {
                padding: var(--spacing-2xl) 0;
            }
            .page-banner h1 {
                font-size: var(--font-2xl);
            }
            .page-banner .banner-subtitle {
                font-size: var(--font-base);
            }
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: var(--spacing-2xl) 0;
        }
        .section-sm {
            padding: var(--spacing-xl) 0;
        }
        .section-label {
            display: inline-block;
            font-size: var(--font-xs);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--primary);
            background: var(--primary-light);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: var(--spacing-sm);
        }
        .section-title {
            font-size: var(--font-3xl);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-sm);
            color: var(--text-heading);
        }
        .section-desc {
            font-size: var(--font-md);
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: var(--spacing-lg);
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: var(--font-2xl);
            }
            .section-desc {
                font-size: var(--font-base);
            }
        }

        /* ========== ARTICLE LIST ========== */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }
        @media (max-width: 1024px) {
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-md);
            }
        }
        @media (max-width: 600px) {
            .article-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }

        .article-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .article-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border);
        }
        .article-card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--border-light);
        }
        .article-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .article-card:hover .article-card-img-wrap img {
            transform: scale(1.06);
        }
        .article-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            font-size: var(--font-xs);
            font-weight: 700;
            padding: 5px 10px;
            border-radius: var(--radius-xs);
            letter-spacing: 0.04em;
            z-index: 2;
        }
        .article-card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .article-card-date {
            font-size: var(--font-xs);
            color: var(--text-weak);
            letter-spacing: 0.02em;
        }
        .article-card-title {
            font-size: var(--font-md);
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }
        .article-card:hover .article-card-title {
            color: var(--primary);
        }
        .article-card-excerpt {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .article-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: var(--font-sm);
            font-weight: 700;
            color: var(--primary);
            margin-top: auto;
            transition: gap var(--transition-fast);
            align-self: flex-start;
        }
        .article-card-link i {
            font-size: 0.75em;
            transition: transform var(--transition-fast);
        }
        .article-card-link:hover {
            gap: 10px;
            color: var(--primary-dark);
        }
        .article-card-link:hover i {
            transform: translateX(3px);
        }

        /* ========== TAG CLOUD ========== */
        .tag-cloud-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: flex-start;
        }
        .tag-cloud-item {
            display: inline-block;
            padding: 8px 18px;
            background: var(--white);
            border: 1.5px solid var(--border);
            border-radius: 24px;
            font-size: var(--font-sm);
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .tag-cloud-item:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-ghost);
            box-shadow: var(--shadow-sm);
        }
        .tag-cloud-item.hot {
            border-color: var(--accent);
            color: var(--accent-dark);
            background: var(--accent-light);
            font-weight: 700;
        }
        .tag-cloud-item.hot:hover {
            border-color: var(--accent-dark);
            background: #fdf3dc;
        }

        /* ========== CATEGORY NAV CARDS ========== */
        .cat-nav-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }
        @media (max-width: 900px) {
            .cat-nav-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }
        }
        @media (max-width: 500px) {
            .cat-nav-grid {
                grid-template-columns: 1fr;
            }
        }
        .cat-nav-card {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: var(--spacing-md);
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1.5px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition);
            cursor: pointer;
            text-decoration: none;
            color: inherit;
        }
        .cat-nav-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .cat-nav-card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: var(--font-xl);
            flex-shrink: 0;
            background: var(--primary-light);
            color: var(--primary);
            transition: all var(--transition-fast);
        }
        .cat-nav-card:hover .cat-nav-card-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }
        .cat-nav-card-info h4 {
            font-size: var(--font-base);
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 2px;
        }
        .cat-nav-card-info span {
            font-size: var(--font-xs);
            color: var(--text-weak);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-2xl);
            padding: var(--spacing-2xl) var(--spacing-lg);
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            margin: 0 var(--spacing-md);
        }
        @media (min-width: 768px) {
            .cta-section {
                margin: 0;
                padding: var(--spacing-2xl) var(--spacing-xl);
            }
        }
        .cta-section::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            bottom: -50px;
            left: -30px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h3 {
            font-size: var(--font-2xl);
            font-weight: 800;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.02em;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: var(--spacing-lg);
            font-size: var(--font-md);
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            border-radius: 50px;
            border: 2px solid transparent;
            font-size: var(--font-base);
            background: #fff;
            color: var(--text);
            transition: all var(--transition-fast);
        }
        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(212, 168, 67, 0.25);
            outline: none;
        }
        .cta-form button {
            padding: 14px 28px;
            border-radius: 50px;
            background: var(--accent);
            color: #1a1a2e;
            font-weight: 700;
            font-size: var(--font-base);
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            white-space: nowrap;
            border: 2px solid var(--accent);
        }
        .cta-form button:hover {
            background: #e0b850;
            border-color: #e0b850;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }
        .cta-form button:active {
            transform: scale(0.97);
        }
        @media (max-width: 500px) {
            .cta-form {
                flex-direction: column;
            }
            .cta-form input,
            .cta-form button {
                width: 100%;
                text-align: center;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--border);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-weight: 700;
            font-size: var(--font-base);
            color: var(--text-heading);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            background: none;
            border: none;
            transition: color var(--transition-fast);
            line-height: 1.5;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            font-size: var(--font-sm);
            color: var(--text-weak);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }
        .faq-item.open .faq-answer {
            max-height: 600px;
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            color: var(--text-secondary);
            font-size: var(--font-sm);
            line-height: 1.8;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1a2e;
            color: rgba(255, 255, 255, 0.75);
            padding: var(--spacing-2xl) 0 var(--spacing-md);
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }
        .footer-brand p {
            font-size: var(--font-sm);
            line-height: 1.7;
            margin-top: var(--spacing-sm);
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: var(--font-sm);
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: var(--font-sm);
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            text-align: center;
            font-size: var(--font-xs);
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom strong {
            color: rgba(255, 255, 255, 0.7);
            font-weight: 600;
        }

        /* ========== UTILITY ========== */
        .text-center {
            text-align: center;
        }
        .mt-lg {
            margin-top: var(--spacing-lg);
        }
        .bg-white-section {
            background: var(--white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .bg-warm-section {
            background: var(--bg-warm);
        }

/* roulang page: category3 */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #C41230;
            --color-primary-dark: #9A0E25;
            --color-primary-light: #E03131;
            --color-primary-soft: #FEF2F2;
            --color-accent: #D4A853;
            --color-accent-light: #F5E6C8;
            --color-accent-dark: #B8922E;
            --color-bg: #FFFFFF;
            --color-bg-alt: #F8F9FA;
            --color-bg-card: #FFFFFF;
            --color-bg-dark: #1A1A2E;
            --color-bg-dark-alt: #16213E;
            --color-text: #1F2937;
            --color-text-heading: #111827;
            --color-text-weak: #6B7280;
            --color-text-muted: #9CA3AF;
            --color-text-inverse: #FFFFFF;
            --color-border: #E5E7EB;
            --color-border-light: #F3F4F6;
            --color-success: #10B981;
            --color-warning: #F59E0B;
            --color-danger: #EF4444;
            --color-info: #3B82F6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1), 0 4px 8px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 16px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 16px 40px rgba(0, 0, 0, 0.14), 0 6px 12px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --container-narrow: 960px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 0.75rem;
            --spacing-md: 1rem;
            --spacing-lg: 1.5rem;
            --spacing-xl: 2rem;
            --spacing-2xl: 2.5rem;
            --spacing-3xl: 3rem;
            --spacing-4xl: 4rem;
            --spacing-5xl: 5rem;
            --nav-height: 72px;
        }

        /* ========== 基础 Reset ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            display: flex;
            flex-direction: column;
        }

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

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

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

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-sm) var(--spacing-md);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(196, 18, 48, 0.1);
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            color: var(--color-text-heading);
            line-height: 1.3;
            font-weight: 700;
        }

        /* ========== 容器 ========== */
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-xl);
        }

        .container-narrow {
            width: 100%;
            max-width: var(--container-narrow);
            margin: 0 auto;
            padding: 0 var(--spacing-xl);
        }

        /* ========== 顶部导航栏 - 卡片化设计 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            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;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-xl);
            gap: var(--spacing-xl);
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--color-text-heading);
            white-space: nowrap;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .nav-brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--color-primary);
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--color-bg-alt);
            border-radius: var(--radius-full);
            padding: 5px;
            border: 1px solid var(--color-border-light);
            flex-wrap: nowrap;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 9px 16px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text-weak);
            transition: all var(--transition-base);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.2px;
        }

        .nav-link:hover {
            color: var(--color-text-heading);
            background: rgba(255, 255, 255, 0.7);
        }

        .nav-link.active {
            background: #fff;
            color: var(--color-primary);
            box-shadow: var(--shadow-sm);
            font-weight: 700;
        }

        .nav-link-icon {
            font-size: 0.85rem;
            opacity: 0.8;
        }

        .nav-link.active .nav-link-icon {
            opacity: 1;
            color: var(--color-primary);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-base);
            box-shadow: 0 2px 8px rgba(196, 18, 48, 0.25);
            flex-shrink: 0;
            letter-spacing: 0.3px;
        }

        .nav-cta-btn:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 6px 20px rgba(196, 18, 48, 0.35);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            background: none;
            border: none;
        }

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

        .mobile-menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== 页面 Hero Banner ========== */
        .page-hero {
            position: relative;
            background: linear-gradient(160deg, #1A1A2E 0%, #16213E 40%, #0F3460 100%);
            padding: var(--spacing-5xl) 0 var(--spacing-4xl);
            overflow: hidden;
            min-height: 380px;
            display: flex;
            align-items: center;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, rgba(26, 26, 46, 0.9), transparent);
            z-index: 1;
        }

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

        .page-hero-badge {
            display: inline-block;
            background: rgba(212, 168, 83, 0.2);
            color: var(--color-accent-light);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: var(--spacing-lg);
            border: 1px solid rgba(212, 168, 83, 0.3);
        }

        .page-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: var(--spacing-md);
            letter-spacing: -0.5px;
            line-height: 1.25;
        }

        .page-hero h1 .highlight {
            color: var(--color-accent);
        }

        .page-hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            max-width: 650px;
            margin: 0 auto var(--spacing-xl);
        }

        .hero-search-wrap {
            display: flex;
            max-width: 500px;
            margin: 0 auto;
            gap: 0;
            border-radius: var(--radius-full);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .hero-search-wrap input {
            flex: 1;
            padding: 14px 20px;
            border: 2px solid transparent;
            border-radius: var(--radius-full) 0 0 var(--radius-full);
            font-size: 0.95rem;
            background: #fff;
            color: var(--color-text);
        }

        .hero-search-wrap input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(212, 168, 83, 0.15);
        }

        .hero-search-btn {
            padding: 14px 24px;
            background: var(--color-accent);
            color: #1A1A2E;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: 0 var(--radius-full) var(--radius-full) 0;
            white-space: nowrap;
            transition: all var(--transition-base);
            letter-spacing: 0.3px;
        }

        .hero-search-btn:hover {
            background: var(--color-accent-dark);
            color: #fff;
        }

        /* ========== 板块通用样式 ========== */
        .section {
            padding: var(--spacing-5xl) 0;
        }

        .section-alt {
            background: var(--color-bg-alt);
        }

        .section-dark {
            background: var(--color-bg-dark);
            color: #fff;
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-4xl);
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--color-primary);
            margin-bottom: var(--spacing-sm);
            background: var(--color-primary-soft);
            padding: 4px 14px;
            border-radius: var(--radius-full);
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.3px;
        }

        .section-header p {
            color: var(--color-text-weak);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* ========== 卡片网格 ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: var(--spacing-xl);
        }

        .card-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-xl);
        }

        .card-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-xl);
        }

        /* ========== 通用卡片 ========== */
        .card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .card-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: var(--spacing-md);
            flex-shrink: 0;
        }

        .card-icon-red {
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }

        .card-icon-gold {
            background: var(--color-accent-light);
            color: var(--color-accent-dark);
        }

        .card-icon-blue {
            background: #EFF6FF;
            color: #2563EB;
        }

        .card-icon-green {
            background: #ECFDF5;
            color: #059669;
        }

        .card h3 {
            font-size: 1.15rem;
            margin-bottom: var(--spacing-sm);
            font-weight: 700;
        }

        .card p {
            color: var(--color-text-weak);
            font-size: 0.9rem;
            line-height: 1.65;
            flex: 1;
        }

        .card-tag {
            display: inline-block;
            margin-top: var(--spacing-md);
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--color-primary);
            padding: 4px 12px;
            background: var(--color-primary-soft);
            border-radius: var(--radius-full);
            align-self: flex-start;
        }

        /* 带图片的卡片 */
        .card-image-top {
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin: calc(-1 * var(--spacing-xl));
            margin-bottom: var(--spacing-lg);
            aspect-ratio: 16 / 10;
            position: relative;
        }

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

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

        .card-image-top .card-img-overlay {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-primary);
            color: #fff;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        /* ========== 步骤/流程列表 ========== */
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-lg);
            counter-reset: step-counter;
        }

        .step-item {
            display: flex;
            gap: var(--spacing-lg);
            align-items: flex-start;
            padding: var(--spacing-lg);
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
        }

        .step-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }

        .step-number {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-full);
            background: var(--color-primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            counter-increment: step-counter;
        }

        .step-body h4 {
            font-size: 1.05rem;
            margin-bottom: 4px;
            font-weight: 700;
        }

        .step-body p {
            color: var(--color-text-weak);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* ========== 提示/警告卡片 ========== */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: var(--spacing-lg);
        }

        .tip-card {
            padding: var(--spacing-xl);
            border-radius: var(--radius-lg);
            border-left: 4px solid;
            background: #fff;
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-base);
        }

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

        .tip-card.warning {
            border-left-color: var(--color-warning);
            background: #FFFDF5;
        }

        .tip-card.danger {
            border-left-color: var(--color-danger);
            background: #FFF5F5;
        }

        .tip-card.info {
            border-left-color: var(--color-info);
            background: #F5F9FF;
        }

        .tip-card.success {
            border-left-color: var(--color-success);
            background: #F5FFFA;
        }

        .tip-card h4 {
            font-size: 1rem;
            margin-bottom: 6px;
            font-weight: 700;
        }

        .tip-card p {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            line-height: 1.6;
        }

        .tip-icon {
            font-size: 1.3rem;
            margin-bottom: 8px;
            display: block;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

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

        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: var(--spacing-lg) var(--spacing-xl);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text-heading);
            user-select: none;
            gap: var(--spacing-md);
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-question i {
            transition: transform var(--transition-base);
            font-size: 0.85rem;
            color: var(--color-text-muted);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .faq-answer {
            padding: 0 var(--spacing-xl) var(--spacing-lg);
            color: var(--color-text-weak);
            font-size: 0.9rem;
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open {
            border-color: var(--color-primary-soft);
            box-shadow: var(--shadow-md);
            background: #FFFAFB;
        }

        /* ========== CTA 板块 ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            padding: var(--spacing-5xl) 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 280px;
            height: 280px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            z-index: 0;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            z-index: 0;
        }

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

        .cta-content h2 {
            font-size: 2rem;
            color: #fff;
            margin-bottom: var(--spacing-md);
            font-weight: 800;
            letter-spacing: -0.3px;
        }

        .cta-content p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            margin-bottom: var(--spacing-xl);
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .cta-buttons {
            display: flex;
            gap: var(--spacing-md);
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            letter-spacing: 0.3px;
            cursor: pointer;
            text-decoration: none;
        }

        .btn-white {
            background: #fff;
            color: var(--color-primary);
            box-shadow: var(--shadow-md);
        }

        .btn-white:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-2px);
        }

        .btn-outline-white {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline-white:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

        .btn-accent {
            background: var(--color-accent);
            color: #1A1A2E;
            font-weight: 700;
            box-shadow: 0 4px 16px rgba(212, 168, 83, 0.35);
        }

        .btn-accent:hover {
            background: var(--color-accent-dark);
            color: #fff;
            box-shadow: 0 8px 24px rgba(212, 168, 83, 0.45);
            transform: translateY(-2px);
        }

        /* ========== 数据统计条 ========== */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-xl);
            text-align: center;
        }

        .stat-item {
            padding: var(--spacing-xl);
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-base);
        }

        .stat-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-number {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--color-primary);
            letter-spacing: -1px;
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-number .unit {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text-weak);
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            font-weight: 500;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb {
            padding: var(--spacing-md) 0;
            font-size: 0.85rem;
            color: var(--color-text-weak);
            display: flex;
            gap: 6px;
            align-items: center;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-primary);
            font-weight: 500;
        }

        .breadcrumb a:hover {
            text-decoration: underline;
        }

        .breadcrumb .sep {
            color: var(--color-text-muted);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--color-text-muted);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: var(--spacing-5xl) 0 var(--spacing-xl);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-3xl);
            margin-bottom: var(--spacing-3xl);
        }

        .footer-brand p {
            margin-top: var(--spacing-md);
            font-size: 0.88rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: var(--spacing-md);
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--spacing-xl);
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom strong {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== 移动端响应式 ========== */
        @media (max-width: 1024px) {
            .card-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-xl);
            }
            .page-hero h1 {
                font-size: 2.1rem;
            }
            .section-header h2 {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 60px;
                --spacing-5xl: 3rem;
                --spacing-4xl: 2.5rem;
                --spacing-3xl: 2rem;
            }

            .header-inner {
                padding: 0 var(--spacing-md);
            }
            .nav-links {
                display: none;
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                border-radius: 0;
                padding: var(--spacing-md);
                gap: 4px;
                border: none;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-link {
                border-radius: var(--radius-md);
                padding: 12px 16px;
                width: 100%;
                justify-content: flex-start;
            }
            .nav-cta-btn {
                font-size: 0.82rem;
                padding: 8px 14px;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .card-grid-3,
            .card-grid-4 {
                grid-template-columns: 1fr;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-xl);
            }
            .page-hero {
                min-height: 300px;
                padding: var(--spacing-3xl) 0 var(--spacing-2xl);
            }
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .page-hero-desc {
                font-size: 0.9rem;
            }
            .hero-search-wrap {
                flex-direction: column;
                border-radius: var(--radius-md);
                gap: 0;
            }
            .hero-search-wrap input {
                border-radius: var(--radius-md) var(--radius-md) 0 0;
            }
            .hero-search-btn {
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                text-align: center;
                width: 100%;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .cta-content h2 {
                font-size: 1.5rem;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .step-item {
                flex-direction: column;
                gap: var(--spacing-sm);
            }
            .container,
            .container-narrow {
                padding: 0 var(--spacing-md);
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.4rem;
            }
            .stats-bar {
                grid-template-columns: 1fr;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .nav-brand {
                font-size: 1.1rem;
            }
            .nav-brand-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .section {
                padding: var(--spacing-3xl) 0;
            }
        }

        /* ========== 辅助动画 ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-in {
            animation: fadeInUp 0.6s 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;
        }
        .delay-4 {
            animation-delay: 0.4s;
            opacity: 0;
        }