/* roulang page: index */
:root {
            --color-bg-primary: #0a0e1a;
            --color-bg-secondary: #1a1f35;
            --color-bg-tertiary: #252b42;
            --color-primary: #3b82f6;
            --color-primary-light: #60a5fa;
            --color-primary-dark: #1e3a8a;
            --color-text-primary: #f8fafc;
            --color-text-secondary: #cbd5e1;
            --color-text-muted: #94a3b8;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-border: rgba(96, 165, 250, 0.25);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 20px;
            --spacing-unit: 1rem;
            --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.6);
            --shadow-glow-strong: 0 0 40px rgba(59, 130, 246, 0.9);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
        }
        
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: var(--color-bg-primary);
            color: var(--color-text-secondary);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
        }
        
        body::before {
            content: "";
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
                        radial-gradient(circle at 80% 80%, rgba(96, 165, 250, 0.08) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }
        
        a {
            text-decoration: none;
            color: var(--color-primary-light);
            transition: all 0.3s ease;
        }
        
        a:hover {
            color: var(--color-primary);
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        button, .button {
            cursor: pointer;
            border: none;
            outline: none;
            font-family: inherit;
        }
        
        input, textarea {
            font-family: inherit;
            outline: none;
        }
        
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 26, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            height: 70px;
        }
        
        .site-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
        }
        
        .logo {
            font-size: 1.25rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }
        
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
        }
        
        .nav-links a {
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            position: relative;
            padding: 0.5rem 0;
        }
        
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary-light);
        }
        
        .nav-links a.active::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--color-primary);
            box-shadow: 0 0 8px var(--color-primary);
        }
        
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        
        .btn-glow-primary {
            padding: 0.5rem 1.5rem;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
            color: var(--color-text-primary);
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: var(--shadow-glow);
            transition: all 0.3s ease;
            border: none;
            white-space: nowrap;
        }
        
        .btn-glow-primary:hover {
            box-shadow: var(--shadow-glow-strong);
            transform: translateY(-2px);
            color: var(--color-text-primary);
        }
        
        .btn-glow-secondary {
            padding: 0.75rem 2rem;
            border-radius: var(--radius-sm);
            background: var(--color-bg-secondary);
            color: var(--color-text-primary);
            font-weight: 600;
            border: 1px solid var(--color-primary);
            transition: all 0.3s ease;
        }
        
        .btn-glow-secondary:hover {
            box-shadow: 0 0 12px rgba(59, 130, 246, 0.6);
            color: var(--color-text-primary);
        }
        
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-text-primary);
            font-size: 1.5rem;
            cursor: pointer;
        }
        
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            padding: 5rem 0 3rem;
            overflow: hidden;
        }
        
        .hero-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(30, 58, 138, 0.3) 0%, rgba(15, 23, 42, 0.8) 100%);
            z-index: 1;
        }
        
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
            width: 100%;
        }
        
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }
        
        .hero-text h1 {
            font-size: clamp(2.5rem, 5vw, 3.5rem);
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
        }
        
        .hero-text p {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            margin-bottom: 2rem;
            line-height: 1.8;
        }
        
        .countdown-bar {
            background: rgba(59, 130, 246, 0.15);
            border: 1px solid var(--color-primary);
            border-radius: var(--radius-md);
            padding: 1rem 1.5rem;
            margin-bottom: 2rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            backdrop-filter: blur(8px);
        }
        
        .countdown-bar i {
            color: var(--color-primary-light);
            font-size: 1.2rem;
        }
        
        .countdown-text {
            color: var(--color-text-primary);
            font-weight: 600;
        }
        
        .countdown-timer {
            display: flex;
            gap: 1rem;
            margin-left: auto;
        }
        
        .countdown-item {
            text-align: center;
        }
        
        .countdown-number {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary-light);
            display: block;
            font-variant-numeric: tabular-nums;
        }
        
        .countdown-label {
            font-size: 0.75rem;
            color: var(--color-text-muted);
        }
        
        .hero-cta {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        
        .btn-large {
            padding: 1rem 2.5rem;
            font-size: 1.05rem;
        }
        
        .hero-visual {
            position: relative;
        }
        
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }
        
        .glass-card {
            background: rgba(26, 31, 53, 0.7);
            backdrop-filter: blur(16px);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
        }
        
        .glass-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(59, 130, 246, 0.3);
        }
        
        .stat-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
        }
        
        .stat-icon i {
            color: var(--color-text-primary);
            font-size: 1.25rem;
        }
        
        .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary-light);
            margin-bottom: 0.25rem;
            font-variant-numeric: tabular-nums;
        }
        
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
        }
        
        .section {
            padding: 5rem 0;
            position: relative;
        }
        
        .section-alt {
            background: rgba(26, 31, 53, 0.5);
        }
        
        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
        }
        
        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }
        
        .section-title {
            font-size: 2rem;
            font-weight: 600;
            color: var(--color-text-primary);
            margin-bottom: 1rem;
        }
        
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 600px;
            margin: 0 auto;
        }
        
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        
        .benefit-card {
            background: rgba(26, 31, 53, 0.6);
            backdrop-filter: blur(12px);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 2rem;
            text-align: center;
            transition: all 0.3s ease;
        }
        
        .benefit-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 25px rgba(59, 130, 246, 0.4);
            border-color: var(--color-primary);
        }
        
        .benefit-icon {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(30, 58, 138, 0.8), rgba(59, 130, 246, 0.8));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            box-shadow: 0 0 30px rgba(59, 130, 246, 0.5);
        }
        
        .benefit-icon i {
            font-size: 2rem;
            color: var(--color-text-primary);
        }
        
        .benefit-card h3 {
            font-size: 1.25rem;
            color: var(--color-text-primary);
            margin-bottom: 1rem;
            font-weight: 600;
        }
        
        .benefit-card p {
            color: var(--color-text-secondary);
            line-height: 1.7;
        }
        
        .eligibility-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: start;
        }
        
        .eligibility-list {
            list-style: none;
        }
        
        .eligibility-item {
            background: rgba(26, 31, 53, 0.6);
            border-left: 3px solid var(--color-primary);
            padding: 1.5rem;
            margin-bottom: 1rem;
            border-radius: var(--radius-md);
            backdrop-filter: blur(8px);
        }
        
        .eligibility-item h4 {
            color: var(--color-text-primary);
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .eligibility-item i {
            color: var(--color-primary-light);
        }
        
        .eligibility-visual {
            background: rgba(26, 31, 53, 0.7);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 2rem;
            backdrop-filter: blur(16px);
        }
        
        .progress-track {
            position: relative;
            padding-left: 2rem;
        }
        
        .progress-track::before {
            content: "";
            position: absolute;
            left: 0.5rem;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--color-primary), transparent);
        }
        
        .progress-step {
            position: relative;
            padding: 1rem 0 1rem 1rem;
        }
        
        .progress-step::before {
            content: "";
            position: absolute;
            left: -1.65rem;
            top: 1.2rem;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--color-primary);
            box-shadow: 0 0 12px var(--color-primary);
        }
        
        .progress-step h5 {
            color: var(--color-text-primary);
            font-size: 1rem;
            margin-bottom: 0.25rem;
        }
        
        .progress-step p {
            color: var(--color-text-muted);
            font-size: 0.9rem;
        }
        
        .news-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2rem;
        }
        
        .news-main {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        
        .news-item {
            background: rgba(26, 31, 53, 0.6);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            backdrop-filter: blur(12px);
            transition: all 0.3s ease;
        }
        
        .news-item:hover {
            border-color: var(--color-primary);
            box-shadow: 0 4px 20px rgba(59, 130, 246, 0.2);
        }
        
        .news-meta {
            display: flex;
            gap: 1rem;
            margin-bottom: 0.75rem;
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }
        
        .news-tag {
            background: rgba(59, 130, 246, 0.2);
            color: var(--color-primary-light);
            padding: 0.25rem 0.75rem;
            border-radius: 12px;
            font-size: 0.8rem;
        }
        
        .news-item h3 {
            color: var(--color-text-primary);
            font-size: 1.15rem;
            margin-bottom:0.75rem;
            font-weight: 600;
            transition: color 0.3s ease;
        }
        
        .news-item:hover h3 {
            color: var(--color-primary-light);
        }
        
        .news-item p {
            color: var(--color-text-secondary);
            line-height: 1.7;
        }
        
        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        
        .sidebar-card {
            background: rgba(26, 31, 53, 0.7);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            backdrop-filter: blur(12px);
        }
        
        .sidebar-card h4 {
            color: var(--color-text-primary);
            font-size: 1rem;
            margin-bottom: 1rem;
            padding-bottom: 0.75rem;
            border-bottom: 1px solid var(--color-border);
        }
        
        .sidebar-link {
            display: block;
            color: var(--color-text-secondary);
            padding: 0.5rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid rgba(96, 165, 250, 0.1);
        }
        
        .sidebar-link:last-child {
            border-bottom: none;
        }
        
        .sidebar-link:hover {
            color: var(--color-primary-light);
            padding-left: 0.5rem;
        }
        
        .form-section {
            background: linear-gradient(135deg, rgba(30, 58, 138, 0.4), rgba(15, 23, 42, 0.6));
            padding: 5rem 0;
        }
        
        .form-container {
            max-width: 600px;
            margin: 0 auto;
            background: rgba(26, 31, 53, 0.8);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 3rem;
            backdrop-filter: blur(20px);
            box-shadow: var(--shadow-card);
        }
        
        .form-header {
            text-align: center;
            margin-bottom: 2rem;
        }
        
        .form-header h2 {
            color: var(--color-text-primary);
            font-size: 1.75rem;
            margin-bottom: 0.75rem;
        }
        
        .trust-badge {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            color: var(--color-text-muted);
            font-size: 0.9rem;
        }
        
        .trust-badge i {
            color: var(--color-success);
        }
        
        .form-group {
            margin-bottom: 1.5rem;
        }
        
        .form-label {
            display: block;
            color: var(--color-text-primary);
            font-size: 0.95rem;
            margin-bottom: 0.5rem;
            font-weight: 500;
        }
        
        .form-input {
            width: 100%;
            padding: 0.875rem 1rem;
            background: rgba(26, 31, 53, 0.8);
            border: 1px solid rgba(96, 165, 250, 0.3);
            border-radius: var(--radius-sm);
            color: var(--color-text-primary);
            font-size: 1rem;
            transition: all 0.3s ease;
        }
        
        .form-input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
            background: rgba(26, 31, 53, 0.9);
        }
        
        .form-input::placeholder {
            color: var(--color-text-muted);
        }
        
        textarea.form-input {
            resize: vertical;
            min-height: 120px;
        }
        
        .form-submit {
            width: 100%;
            padding: 1rem 2rem;
            background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
            border: none;
            border-radius: var(--radius-sm);
            color: var(--color-text-primary);
            font-size: 1.05rem;
            font-weight: 600;
            box-shadow: var(--shadow-glow);
            transition: all 0.3s ease;
            cursor: pointer;
        }
        
        .form-submit:hover {
            box-shadow: var(--shadow-glow-strong);
            transform: translateY(-2px);
        }
        
        .comparison-section {
            padding: 5rem 0;
        }
        
        .comparison-wrapper {
            background: linear-gradient(135deg, rgba(30, 58, 138, 0.3), rgba(15, 23, 42, 0.5));
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 3rem;
            backdrop-filter: blur(16px);
        }
        
        .comparison-header {
            text-align: center;
            margin-bottom: 3rem;
        }
        
        .comparison-header h2 {
            font-size: 2rem;
            color: var(--color-text-primary);
            margin-bottom: 1rem;
        }
        
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            position: relative;
        }
        
        .comparison-grid::before {
            content: "";
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, transparent, var(--color-primary), transparent);
            box-shadow: 0 0 20px rgba(59, 130, 246, 0.8);
            transform: translateX(-50%);
        }
        
        .comparison-column {
            padding: 2rem;
        }
        
        .comparison-column h3 {
            color: var(--color-text-primary);
            font-size: 1.5rem;
            margin-bottom: 2rem;
            text-align: center;
        }
        
        .comparison-item {
            display: flex;
            align-items: start;
            gap: 1rem;
            margin-bottom: 1.5rem;
            padding: 1rem;
            background: rgba(26, 31, 53, 0.5);
            border-radius: var(--radius-md);
        }
        
        .comparison-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        
        .comparison-column:first-child .comparison-icon {
            background: rgba(248, 113, 113, 0.2);
            color: #f87171;
        }
        
        .comparison-column:last-child .comparison-icon {
            background: rgba(16, 185, 129, 0.2);
            color: var(--color-success);
        }
        
        .comparison-text {
            color: var(--color-text-secondary);
            line-height: 1.6;
        }
        
        .features-section {
            padding: 5rem 0;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        
        .feature-card {
            background: rgba(26, 31, 53, 0.6);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        
        .feature-card:hover {
            transform: translateY(-8px);
            background: rgba(26, 31, 53, 0.8);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 25px rgba(59, 130, 246, 0.4);
        }
        
        .feature-card i {
            font-size: 2.5rem;
            color: var(--color-primary-light);
            margin-bottom: 1rem;
            display: block;
        }
        
        .feature-card h3 {
            color: var(--color-text-primary);
            font-size: 1.1rem;
            margin-bottom: 0.75rem;
            font-weight: 600;
        }
        
        .feature-card p {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 1rem;
        }
        
        .feature-arrow {
            color: var(--color-primary);
            font-size: 1.2rem;
            opacity: 0;
            transform: translateX(-10px);
            transition: all 0.3s ease;
        }
        
        .feature-card:hover .feature-arrow {
            opacity: 1;
            transform: translateX(0);
        }
        
        .faq-section {
            padding: 5rem 0;
            background: rgba(26, 31, 53, 0.5);
        }
        
        .faq-container {
            max-width: 900px;
            margin: 0 auto;
        }
        
        .faq-item {
            background: rgba(26, 31, 53, 0.7);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 1rem;
            overflow: hidden;
            backdrop-filter: blur(12px);
            transition: all 0.3s ease;
        }
        
        .faq-item:hover {
            border-color: var(--color-primary);
            box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
        }
        
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1.5rem;
            background: transparent;
            border: none;
            color: var(--color-text-primary);
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.3s ease;
        }
        
        .faq-question:hover {
            color: var(--color-primary-light);
        }
        
        .faq-icon {
            color: var(--color-primary);
            transition: transform 0.3s ease;
        }
        
        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        
        .faq-item.active .faq-answer {
            max-height: 500px;
        }
        
        .faq-answer-content {
            padding: 0 1.5rem 1.5rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }
        
        .data-showcase {
            padding: 5rem 0;
        }
        
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-bottom: 3rem;
        }
        
        .metric-card {
            background: rgba(26, 31, 53, 0.7);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 2rem;
            text-align: center;
            backdrop-filter: blur(16px);
            box-shadow: var(--shadow-card);
        }
        
        .metric-value {
            font-size: 3rem;
            font-weight: 700;
            color: var(--color-primary-light);
            margin-bottom: 0.5rem;
            font-variant-numeric: tabular-nums;
        }
        
        .metric-label {
            color: var(--color-text-secondary);
            font-size: 1rem;
        }
        
        .metric-trend {
            margin-top: 0.5rem;
            font-size: 0.85rem;
            color: var(--color-success);
        }
        
        .metric-trend i {
            margin-right: 0.25rem;
        }
        
        .site-footer {
            background: rgba(15, 17, 28, 0.95);
            border-top: 1px solid var(--color-border);
            padding: 3rem 0 1.5rem;
            margin-top: 5rem;
        }
        
        .footer-content {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 3rem;
            margin-bottom: 2rem;
        }
        
        .footer-about h3 {
            color: var(--color-text-primary);
            font-size: 1.25rem;
            margin-bottom: 1rem;
        }
        
        .footer-about p {
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 1rem;
        }
        
        .footer-section h4 {
            color: var(--color-text-primary);
            font-size: 1rem;
            margin-bottom: 1rem;
            font-weight: 600;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 0.75rem;
        }
        
        .footer-links a {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }
        
        .footer-links a:hover {
            color: var(--color-primary-light);
            padding-left: 0.5rem;
        }
        
        .footer-bottom {
            padding-top: 2rem;
            border-top: 1px solid rgba(96, 165, 250, 0.1);
            text-align: center;
            color: var(--color-text-muted);
            font-size: 0.9rem;
        }
        
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 3rem;
            }
            
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .benefits-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .eligibility-content {
                grid-template-columns: 1fr;
            }
            
            .news-grid {
                grid-template-columns: 1fr;
            }
            
            .comparison-grid {
                grid-template-columns: 1fr;
            }
            
            .comparison-grid::before {
                display: none;
            }
            
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            
            .mobile-menu-toggle {
                display: block;
            }
            
            .hero-section {
                min-height: auto;
                padding: 3rem 0 2rem;
            }
            
            .hero-text h1 {
                font-size: 2rem;
            }
            
            .countdown-timer {
                display: none;
            }
            
            .hero-cta {
                flex-direction: column;
            }
            
            .hero-cta .btn-glow-primary,
            .hero-cta .btn-glow-secondary {
                width: 100%;
                text-align: center;
            }
            
            .section {
                padding: 3rem 0;
            }
            
            .benefits-grid,
            .features-grid,
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            
            .comparison-column {
                padding: 1rem;
            }
            
            .form-container {
                padding: 2rem 1.5rem;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category1 */
:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #1a1f35;
  --bg-card: rgba(26,31,53,0.7);
  --accent: #3b82f6;
  --accent-light: #60a5fa;
  --accent-dark: #1e3a8a;
  --text-heading: #f8fafc;
  --text-body: #cbd5e1;
  --text-muted: #94a3b8;
  --border-glass: rgba(96,165,250,0.25);
  --border-glow: rgba(96,165,250,0.5);
  --success: #10b981;
  --warning: #f59e0b;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-pill: 24px;
  --shadow-card: 0 8px 32px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.07);
  --shadow-glow: 0 0 30px rgba(59,130,246,0.6);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-primary);
  color: var(--text-body);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.75;
  min-height: 100vh;
}
a { color: var(--accent-light); text-decoration: none; transition: color 0.2s; }
a:hover { color: #fff; }
img { max-width: 100%; display: block; }
.container-custom { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }

/* NAV */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(10,14,26,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(96,165,250,0.18);
  height: 60px;
}
.site-nav {
  max-width: 1280px; margin: 0 auto; padding: 0 1.5rem;
  display: flex; align-items: center; height: 60px; gap: 2rem;
}
.logo {
  font-size: 1.15rem; font-weight: 700; white-space: nowrap;
  background: linear-gradient(135deg, #3b82f6, #60a5fa);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; flex-shrink: 0;
}
.nav-links {
  display: flex; list-style: none; gap: 1.5rem; flex: 1;
}
.nav-links a {
  color: var(--text-body); font-size: 0.95rem;
  padding: 0.25rem 0; border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--accent-light);
  border-bottom-color: var(--accent-light);
}
.nav-cta { display: flex; align-items: center; gap: 0.75rem; margin-left: auto; }
.btn-glow-primary {
  padding: 0.5rem 1.25rem; border-radius: 6px; border: none; cursor: pointer;
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  color: #fff; font-size: 0.9rem; font-weight: 600;
  box-shadow: var(--shadow-glow); transition: all 0.3s;
}
.btn-glow-primary:hover {
  box-shadow: 0 0 40px rgba(59,130,246,0.9); transform: translateY(-1px);
}
.btn-glow-secondary {
  padding: 0.5rem 1.25rem; border-radius: 6px; border: 1px solid var(--accent); cursor: pointer;
  background: var(--bg-secondary); color: var(--accent-light); font-size: 0.9rem; font-weight: 600;
  transition: all 0.3s;
}
.btn-glow-secondary:hover { box-shadow: 0 0 12px rgba(59,130,246,0.6); color: #fff; }
.mobile-menu-toggle {
  display: none; background: none; border: none; color: var(--text-body);
  font-size: 1.25rem; cursor: pointer; padding: 0.25rem;
}
.mobile-menu {
  display: none; position: fixed; top: 60px; left: 0; right: 0; bottom: 0;
  background: rgba(10,14,26,0.97); backdrop-filter: blur(16px);
  z-index: 999; flex-direction: column; align-items: center; justify-content: center; gap: 2rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu a { color: var(--text-heading); font-size: 1.25rem; font-weight: 600; }
.mobile-menu a.active { color: var(--accent-light); }

/* BREADCRUMB */
.breadcrumb-bar {
  padding: 1rem 0; border-bottom: 1px solid rgba(96,165,250,0.1);
}
.breadcrumb-bar nav { display: flex; align-items: center; gap: 0.5rem; font-size: 0.875rem; color: var(--text-muted); }
.breadcrumb-bar nav a { color: var(--text-muted); }
.breadcrumb-bar nav a:hover { color: var(--accent-light); }
.breadcrumb-bar nav span { color: var(--text-heading); }

/* PAGE HERO */
.page-hero {
  padding: 4rem 0 3rem;
  background: linear-gradient(160deg, #0a0e1a 0%, #0f1628 50%, #0a0e1a 100%);
  border-bottom: 1px solid rgba(96,165,250,0.1);
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(59,130,246,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero-inner { position: relative; z-index: 1; }
.page-hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(59,130,246,0.15); border: 1px solid rgba(96,165,250,0.3);
  border-radius: var(--radius-pill); padding: 0.35rem 1rem;
  font-size: 0.8rem; color: var(--accent-light); margin-bottom: 1.25rem;
}
.page-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 700;
  color: var(--text-heading); line-height: 1.25;
  text-shadow: 0 0 20px rgba(59,130,246,0.4);
  margin-bottom: 1rem;
}
.page-hero p {
  font-size: 1.05rem; color: var(--text-body); max-width: 640px; margin-bottom: 2rem;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 2rem; margin-top: 2.5rem; flex-wrap: wrap;
}
.hero-stat { text-align: left; }
.hero-stat .num {
  font-size: 1.75rem; font-weight: 700; color: var(--accent-light);
  font-variant-numeric: tabular-nums;
}
.hero-stat .lbl { font-size: 0.8rem; color: var(--text-muted); }

/* FILTER BAR */
.filter-section { padding: 2rem 0 1rem; }
.filter-bar {
  display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap;
}
.filter-label { font-size: 0.875rem; color: var(--text-muted); white-space: nowrap; }
.filter-btn {
  padding: 0.4rem 1rem; border-radius: var(--radius-pill);
  border: 1px solid rgba(96,165,250,0.25); background: var(--bg-secondary);
  color: var(--text-muted); font-size: 0.85rem; cursor: pointer; transition: all 0.2s;
}
.filter-btn:hover { border-color: var(--accent); color: var(--accent-light); }
.filter-btn.active {
  background: rgba(59,130,246,0.2); border-color: var(--accent);
  color: var(--accent-light); box-shadow: 0 0 10px rgba(59,130,246,0.3);
}
.filter-count { margin-left: auto; font-size: 0.85rem; color: var(--text-muted); }

/* RESOURCE GRID */
.resource-section { padding: 1.5rem 0 4rem; }
.resource-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.resource-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
  display: flex; flex-direction: column;
}
.resource-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.5), 0 0 20px rgba(59,130,246,0.2);
}
.card-thumb {
  width: 100%; aspect-ratio: 16/9; overflow: hidden; position: relative;
  background: linear-gradient(135deg, #0f1628, #1a2a4a);
}
.card-thumb-inner {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem; color: rgba(96,165,250,0.3);
  transition: transform 0.4s;
}
.resource-card:hover .card-thumb-inner { transform: scale(1.08); }
.card-badge {
  position: absolute; top: 0.6rem; left: 0.6rem;
  background: rgba(59,130,246,0.85); color: #fff;
  font-size: 0.7rem; font-weight: 700; padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
}
.card-badge.hot { background: rgba(239,68,68,0.85); }
.card-badge.new { background: rgba(16,185,129,0.85); }
.card-body { padding: 1.25rem; flex: 1; display: flex; flex-direction: column; gap: 0.6rem; }
.card-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.tag {
  font-size: 0.7rem; padding: 0.15rem 0.6rem; border-radius: var(--radius-pill);
  background: rgba(59,130,246,0.12); border: 1px solid rgba(96,165,250,0.2);
  color: var(--accent-light);
}
.card-title {
  font-size: 0.95rem; font-weight: 600; color: var(--text-heading);
  line-height: 1.4; flex: 1;
}
.card-meta { display: flex; align-items: center; gap: 1rem; font-size: 0.78rem; color: var(--text-muted); }
.card-meta i { color: var(--accent); }
.card-footer { padding: 0 1.25rem 1.25rem; }
.card-view-btn {
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  width: 100%; padding: 0.6rem; border-radius: 6px; border: 1px solid var(--accent);
  background: transparent; color: var(--accent-light); font-size: 0.875rem; font-weight: 600;
  cursor: pointer; transition: all 0.25s;
}
.card-view-btn:hover {
  background: rgba(59,130,246,0.15); box-shadow: 0 0 12px rgba(59,130,246,0.4);
}

/* FEATURED BANNER */
.featured-banner {
  background: linear-gradient(135deg, rgba(30,58,138,0.6), rgba(59,130,246,0.2));
  border: 1px solid rgba(96,165,250,0.3);
  border-radius: var(--radius-md);
  padding: 2rem 2.5rem;
  display: flex; align-items: center; gap: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-card);
  position: relative; overflow: hidden;
}
.featured-banner::before {
  content: '';
  position: absolute; right: -60px; top: -60px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(59,130,246,0.2), transparent 70%);
  pointer-events: none;
}
.featured-icon { font-size: 3rem; color: var(--accent-light); flex-shrink: 0; }
.featured-text h2 { font-size: 1.35rem; font-weight: 700; color: var(--text-heading); margin-bottom: 0.4rem; }
.featured-text p { font-size: 0.9rem; color: var(--text-body); }
.featured-action { margin-left: auto; flex-shrink: 0; }

/* QUALITY SECTION */
.quality-section { padding: 4rem 0; background: linear-gradient(180deg, transparent, rgba(26,31,53,0.4), transparent); }
.section-header { text-align: center; margin-bottom: 3rem; }
.section-header h2 { font-size: 2rem; font-weight: 600; color: var(--text-heading); margin-bottom: 0.75rem; }
.section-header p { color: var(--text-body); max-width: 560px; margin: 0 auto; }
.quality-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.quality-card {
  background: var(--bg-card); backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass); border-radius: var(--radius-md);
  padding: 2rem; box-shadow: var(--shadow-card);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.quality-card:hover {
  border-color: rgba(96,165,250,0.5);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 0 16px rgba(59,130,246,0.15);
}
.quality-icon {
  width: 48px; height: 48px; border-radius: 10px;
  background: rgba(59,130,246,0.15); border: 1px solid rgba(96,165,250,0.25);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; color: var(--accent-light); margin-bottom: 1.25rem;
}
.quality-card h3 { font-size: 1.05rem; font-weight: 600; color: var(--text-heading); margin-bottom: 0.5rem; }
.quality-card p { font-size: 0.875rem; color: var(--text-body); line-height: 1.7; }

/* COMPARE SECTION */
.compare-section { padding: 4rem 0; }
.compare-grid { display: grid; grid-template-columns: 1fr 4px 1fr; gap: 0; align-items: start; }
.compare-divider {
  background: linear-gradient(180deg, transparent, var(--accent), transparent);
  box-shadow: 0 0 20px rgba(59,130,246,0.8);
  align-self: stretch; min-height: 300px;
}
.compare-col { padding: 2rem; }
.compare-col.col-before {
  background: rgba(26,31,53,0.5); border: 1px solid rgba(96,165,250,0.15);
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}
.compare-col.col-after {
  background: rgba(30,58,138,0.25); border: 1px solid rgba(96,165,250,0.3);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.compare-col h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 1.5rem; }
.compare-col.col-before h3 { color: var(--text-muted); }
.compare-col.col-after h3 { color: var(--accent-light); }
.compare-list { list-style: none; display: flex; flex-direction: column; gap: 0.85rem; }
.compare-list li { display: flex; align-items: flex-start; gap: 0.75rem; font-size: 0.9rem; }
.compare-list li i { margin-top: 0.2rem; flex-shrink: 0; }
.compare-list li .fa-times { color: #ef4444; }
.compare-list li .fa-check { color: var(--success); }

/* FAQ */
.faq-section { padding: 4rem 0; }
.faq-list { display: flex; flex-direction: column; gap: 0.75rem; max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--bg-card); backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass); border-radius: var(--radius-sm);
  overflow: hidden; transition: border-color 0.2s;
}
.faq-item.open { border-color: rgba(96,165,250,0.5); box-shadow: 0 0 16px rgba(59,130,246,0.1); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 1.5rem; background: none; border: none; cursor: pointer;
  color: var(--text-heading); font-size: 0.95rem; font-weight: 600; text-align: left; gap: 1rem;
}
.faq-q i { color: var(--accent); transition: transform 0.3s; flex-shrink: 0; }
.faq-item.open .faq-q i { transform: rotate(180deg); }
.faq-a { display: none; padding: 0 1.5rem 1.25rem; font-size: 0.9rem; color: var(--text-body); line-height: 1.75; }
.faq-item.open .faq-a { display: block; }

/* CTA SECTION */
.cta-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, rgba(30,58,138,0.4), rgba(10,14,26,0.8));
  border-top: 1px solid rgba(96,165,250,0.15);
  border-bottom: 1px solid rgba(96,165,250,0.15);
  text-align: center;
}
.cta-section h2 { font-size: 2rem; font-weight: 700; color: var(--text-heading); margin-bottom: 1rem; }
.cta-section p { color: var(--text-body); max-width: 520px; margin: 0 auto 2rem; }
.cta-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn-lg { padding: 0.875rem 2.25rem; font-size: 1rem; }

/* PAGINATION */
.pagination-wrap { display: flex; justify-content: center; padding: 2.5rem 0 1rem; gap: 0.5rem; }
.page-btn {
  width: 40px; height: 40px; border-radius: 6px; border: 1px solid rgba(96,165,250,0.25);
  background: var(--bg-secondary); color: var(--text-muted); font-size: 0.875rem;
  cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.2s;
}
.page-btn:hover { border-color: var(--accent); color: var(--accent-light); }
.page-btn.active {
  background: rgba(59,130,246,0.2); border-color: var(--accent);
  color: var(--accent-light); box-shadow: 0 0 12px rgba(59,130,246,0.4);
}

/* FOOTER */
.site-footer {
  background: #070a14; border-top: 1px solid rgba(96,165,250,0.12);
  padding: 3.5rem 0 0;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2.5rem; padding-bottom: 2.5rem; }
.footer-col h4 { font-size: 0.95rem; font-weight: 700; color: var(--text-heading); margin-bottom: 1rem; }
.footer-col p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.7; }
.footer-social { display: flex; gap: 0.75rem; margin-top: 1rem; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(59,130,246,0.1); border: 1px solid rgba(96,165,250,0.2);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 0.9rem; transition: all 0.2s;
}
.footer-social a:hover { background: rgba(59,130,246,0.25); color: var(--accent-light); border-color: var(--accent); }
.footer-links { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links a { font-size: 0.875rem; color: var(--text-muted); transition: color 0.2s; }
.footer-links a:hover { color: var(--accent-light); }
.footer-bottom {
  border-top: 1px solid rgba(96,165,250,0.1);
  padding: 1.25rem 0; text-align: center;
  font-size: 0.8rem; color: var(--text-muted);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .resource-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .quality-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .resource-grid { grid-template-columns: repeat(2, 1fr); }
  .compare-grid { grid-template-columns: 1fr; }
  .compare-divider { display: none; }
  .compare-col.col-before { border-radius: var(--radius-md) var(--radius-md) 0 0; }
  .compare-col.col-after { border-radius: 0 0 var(--radius-md) var(--radius-md); }
  .featured-banner { flex-direction: column; text-align: center; }
  .featured-action { margin-left: 0; }
  .quality-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 1.25rem; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .mobile-menu-toggle { display: block; }
  .resource-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .page-hero { padding: 2.5rem 0 2rem; }
  .page-hero h1 { font-size: 1.75rem; }
  .cta-section h2 { font-size: 1.5rem; }
}