/* roulang page: index */
:root {
            --primary: #1A56DB;
            --primary-dark: #1447B8;
            --primary-light: #2B6FF2;
            --accent: #0EA5E9;
            --accent-light: #38BDF8;
            --bg-page: #FFFFFF;
            --bg-section: #F8FAFC;
            --bg-card: #FFFFFF;
            --bg-muted: #F0F4FA;
            --text-primary: #1E293B;
            --text-secondary: #64748B;
            --text-muted: #94A3B8;
            --text-white: #FFFFFF;
            --border-light: #E2E8F0;
            --border-muted: #CBD5E1;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
            --shadow-lg: 0 8px 24px rgba(0,0,0,0.10);
            --shadow-xl: 0 12px 36px rgba(0,0,0,0.14);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-2xl: 20px;
            --transition-fast: 0.15s ease;
            --transition-base: 0.2s ease;
            --transition-slow: 0.3s ease;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --section-padding-desktop: 5rem;
            --section-padding-mobile: 3rem;
        }

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

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

        body {
            font-family: var(--font-stack);
            color: var(--text-primary);
            background-color: var(--bg-page);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #FFFFFF;
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--border-light);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            position: relative;
        }
        .nav-left, .nav-right {
            display: flex;
            align-items: center;
            gap: 1.75rem;
            list-style: none;
        }
        .nav-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: 0.02em;
            flex-shrink: 0;
            text-align: center;
            transition: color var(--transition-fast);
        }
        .nav-logo:hover {
            color: var(--primary-dark);
        }
        .nav-link {
            font-size: 0.95rem;
            color: var(--text-secondary);
            font-weight: 500;
            padding: 0.35rem 0;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: width var(--transition-base);
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            z-index: 1001;
            background: transparent;
            border: none;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-primary);
            border-radius: 3px;
            transition: all var(--transition-base);
            transform-origin: center;
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            position: absolute;
            top: 64px;
            left: 0;
            right: 0;
            background: #FFFFFF;
            box-shadow: var(--shadow-lg);
            flex-direction: column;
            padding: 1rem 1.5rem;
            gap: 0.5rem;
            border-bottom: 1px solid var(--border-light);
            z-index: 999;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .nav-link {
            padding: 0.75rem 0;
            font-size: 1rem;
            border-bottom: 1px solid var(--border-light);
        }
        .mobile-menu .nav-link:last-child {
            border-bottom: none;
        }

        /* ========== SECTION BASE ========== */
        .section {
            padding-top: var(--section-padding-desktop);
            padding-bottom: var(--section-padding-desktop);
        }
        .section-alt {
            background-color: var(--bg-section);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            text-align: center;
            margin-bottom: 0.75rem;
            letter-spacing: 0.01em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            text-align: center;
            margin-bottom: 2.5rem;
            max-width: 680px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            background: rgba(26,86,219,0.08);
            padding: 0.35rem 0.9rem;
            border-radius: 20px;
            letter-spacing: 0.03em;
            margin-bottom: 0.75rem;
            text-transform: uppercase;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 600px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,23,42,0.82) 0%, rgba(30,41,59,0.7) 40%, rgba(15,23,42,0.78) 100%);
            z-index: 1;
        }
        .hero-geo-lines {
            position: absolute;
            inset: 0;
            z-index: 0;
            opacity: 0.06;
            background: 
                linear-gradient(45deg, transparent 48%, #FFFFFF 48%, #FFFFFF 52%, transparent 52%) 0 0 / 60px 60px,
                linear-gradient(-45deg, transparent 48%, #FFFFFF 48%, #FFFFFF 52%, transparent 52%) 0 0 / 60px 60px;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 4rem 0;
        }
        .hero-inner {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 2rem;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.25);
            color: #FFFFFF;
            padding: 0.45rem 1.2rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            backdrop-filter: blur(4px);
        }
        .hero-badge .live-dot {
            width: 9px;
            height: 9px;
            background: #EF4444;
            border-radius: 50%;
            animation: pulse-dot 1.5s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.5); }
        }
        .hero-title {
            font-size: 2.75rem;
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1.25;
            letter-spacing: 0.02em;
            max-width: 800px;
            text-shadow: 0 2px 12px rgba(0,0,0,0.3);
        }
        .hero-desc {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.85);
            max-width: 620px;
            line-height: 1.7;
        }
        .countdown-wrapper {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            justify-content: center;
        }
        .countdown-block {
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: var(--radius-lg);
            padding: 1rem 1.4rem;
            min-width: 80px;
            text-align: center;
            backdrop-filter: blur(6px);
            transition: all var(--transition-base);
        }
        .countdown-block:hover {
            background: rgba(255,255,255,0.18);
            border-color: rgba(255,255,255,0.35);
            transform: translateY(-2px);
        }
        .countdown-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1;
            font-variant-numeric: tabular-nums;
            font-family: "SF Mono", "Consolas", "Menlo", monospace;
        }
        .countdown-label {
            font-size: 0.8rem;
            color: rgba(255,255,255,0.7);
            margin-top: 0.35rem;
            letter-spacing: 0.04em;
        }
        .hero-subscribe {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
        }
        .hero-subscribe input {
            padding: 0.8rem 1.25rem;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,255,255,0.35);
            background: rgba(255,255,255,0.1);
            color: #FFFFFF;
            font-size: 0.95rem;
            min-width: 260px;
            backdrop-filter: blur(4px);
            transition: all var(--transition-base);
        }
        .hero-subscribe input::placeholder {
            color: rgba(255,255,255,0.55);
        }
        .hero-subscribe input:focus {
            border-color: #FFFFFF;
            background: rgba(255,255,255,0.18);
            box-shadow: 0 0 0 3px rgba(255,255,255,0.1);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--primary);
            color: #FFFFFF;
            padding: 0.8rem 1.75rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(26,86,219,0.35);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(26,86,219,0.45);
            transform: translateY(-1px);
            color: #FFFFFF;
        }
        .btn-primary:active {
            transform: scale(0.98);
            box-shadow: 0 2px 8px rgba(26,86,219,0.3);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255,255,255,0.5);
            padding: 0.75rem 1.6rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .btn-outline:hover {
            border-color: #FFFFFF;
            background: rgba(255,255,255,0.1);
            color: #FFFFFF;
            transform: translateY(-1px);
        }
        .btn-outline:active {
            transform: scale(0.98);
        }
        .hero-metrics {
            display: flex;
            gap: 2.5rem;
            flex-wrap: wrap;
            justify-content: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.2);
            margin-top: 0.5rem;
        }
        .hero-metric-item {
            text-align: center;
        }
        .hero-metric-num {
            font-size: 2.25rem;
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1;
        }
        .hero-metric-label {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.65);
            margin-top: 0.3rem;
        }

        /* ========== QUICK NAV ========== */
        .quick-nav-section {
            padding-top: 2.5rem;
            padding-bottom: 2.5rem;
            background: #FFFFFF;
        }
        .quick-nav-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
        }
        .quick-nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.5rem;
            border-radius: 30px;
            background: var(--bg-muted);
            color: var(--text-primary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            border: 1px solid transparent;
            cursor: pointer;
        }
        .quick-nav-chip:hover {
            background: rgba(26,86,219,0.08);
            color: var(--primary);
            border-color: var(--primary);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }
        .quick-nav-chip i {
            font-size: 0.85rem;
            color: var(--primary);
        }

        /* ========== SERVICE MATRIX ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.75rem;
        }
        .service-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
            border: 1px solid var(--border-light);
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--border-muted);
        }
        .service-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background: #E2E8F0;
            display: block;
        }
        .service-card-body {
            padding: 1.5rem;
        }
        .service-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }
        .service-card-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 1rem;
            line-height: 1.5;
        }
        .btn-outline-sm {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .btn-outline-sm:hover {
            background: rgba(26,86,219,0.08);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }
        .btn-outline-sm:active {
            transform: scale(0.97);
        }

        /* ========== COMPARISON ========== */
        .comparison-container {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            gap: 1.5rem;
            align-items: stretch;
            max-width: 1000px;
            margin: 0 auto;
        }
        .comparison-panel {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }
        .comparison-panel.negative {
            background: #F8FAFC;
            border-color: #E2E8F0;
        }
        .comparison-panel.positive {
            background: #FFFFFF;
            border-color: var(--primary);
            border-width: 2px;
            box-shadow: var(--shadow-lg);
        }
        .comparison-panel-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
            text-align: center;
        }
        .comparison-panel.negative .comparison-panel-title {
            color: var(--text-muted);
        }
        .comparison-panel.positive .comparison-panel-title {
            color: var(--primary);
        }
        .comparison-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.85rem;
        }
        .comparison-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
            font-size: 0.95rem;
            line-height: 1.5;
            color: var(--text-secondary);
        }
        .comparison-list li i {
            flex-shrink: 0;
            margin-top: 2px;
            font-size: 0.9rem;
        }
        .comparison-list li i.fa-times-circle {
            color: #94A3B8;
        }
        .comparison-list li i.fa-check-circle {
            color: var(--primary);
        }
        .comparison-vs {
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.5rem;
            color: var(--text-muted);
            letter-spacing: 0.06em;
            padding: 0 0.5rem;
        }

        /* ========== NEWS / INFO ========== */
        .info-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 2rem;
            align-items: start;
        }
        .info-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .info-list li {
            border-bottom: 1px solid var(--border-light);
        }
        .info-list li:last-child {
            border-bottom: none;
        }
        .info-list a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.9rem 0;
            font-size: 0.95rem;
            color: var(--text-primary);
            transition: all var(--transition-fast);
            font-weight: 500;
        }
        .info-list a:hover {
            color: var(--primary);
            padding-left: 0.5rem;
        }
        .info-list .info-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            white-space: nowrap;
            flex-shrink: 0;
            margin-left: 1rem;
        }
        .info-sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }
        .info-sidebar-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: #E2E8F0;
            display: block;
        }
        .info-sidebar-body {
            padding: 1.25rem;
        }
        .info-sidebar-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.4rem;
        }
        .info-sidebar-body p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* ========== MEMBERSHIP ========== */
        .membership-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            max-width: 960px;
            margin: 0 auto;
        }
        .membership-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            text-align: center;
            transition: all var(--transition-base);
            position: relative;
        }
        .membership-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .membership-card.featured {
            border-color: var(--primary);
            border-width: 2px;
            box-shadow: var(--shadow-lg);
            transform: scale(1.03);
        }
        .membership-card.featured:hover {
            transform: scale(1.03) translateY(-3px);
        }
        .membership-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: #FFFFFF;
            padding: 0.3rem 1rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }
        .membership-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 1rem;
        }
        .membership-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }
        .membership-price {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 1rem;
        }
        .membership-price span {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
        }
        .membership-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
            margin-bottom: 1.5rem;
            text-align: left;
        }
        .membership-features li {
            font-size: 0.9rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .membership-features li i {
            color: var(--primary);
            font-size: 0.75rem;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-light);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.1rem 0.5rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            cursor: pointer;
            background: transparent;
            border: none;
            transition: color var(--transition-fast);
            gap: 1rem;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-arrow {
            flex-shrink: 0;
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: transform var(--transition-base);
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 0.5rem;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 0.5rem 1.1rem;
        }
        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== GUARANTEE BAR ========== */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            text-align: center;
        }
        .guarantee-item {
            padding: 1.5rem 1rem;
        }
        .guarantee-icon {
            font-size: 2.25rem;
            color: var(--primary);
            margin-bottom: 0.75rem;
        }
        .guarantee-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.35rem;
        }
        .guarantee-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        /* ========== LIMITED ENTRY ========== */
        .limited-banner {
            background: linear-gradient(135deg, #1A56DB 0%, #1447B8 100%);
            border-radius: var(--radius-xl);
            padding: 2.5rem 2rem;
            text-align: center;
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
        }
        .limited-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(255,255,255,0.08) 0%, transparent 60%);
            pointer-events: none;
        }
        .limited-banner-content {
            position: relative;
            z-index: 1;
        }
        .limited-banner h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .limited-banner p {
            font-size: 1rem;
            color: rgba(255,255,255,0.85);
            margin-bottom: 1.5rem;
        }
        .limited-countdown {
            display: flex;
            gap: 0.75rem;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 1.5rem;
        }
        .limited-cd-block {
            background: rgba(255,255,255,0.15);
            border-radius: var(--radius-md);
            padding: 0.7rem 1rem;
            min-width: 60px;
            text-align: center;
        }
        .limited-cd-num {
            font-size: 1.75rem;
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1;
            font-family: "SF Mono", "Consolas", "Menlo", monospace;
        }
        .limited-cd-label {
            font-size: 0.7rem;
            color: rgba(255,255,255,0.7);
            margin-top: 0.2rem;
        }
        .btn-light {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: #FFFFFF;
            color: var(--primary);
            padding: 0.8rem 2rem;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(0,0,0,0.15);
        }
        .btn-light:hover {
            background: #F0F4FA;
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(0,0,0,0.2);
            color: var(--primary-dark);
        }
        .btn-light:active {
            transform: scale(0.97);
        }

        /* ========== CTA FORM ========== */
        .cta-form-card {
            max-width: 560px;
            margin: 0 auto;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 2.5rem 2rem;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
        }
        .cta-form-card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-primary);
            text-align: center;
            margin-bottom: 0.5rem;
        }
        .cta-form-card .cta-subtitle {
            font-size: 0.95rem;
            color: var(--text-secondary);
            text-align: center;
            margin-bottom: 1.75rem;
        }
        .form-group {
            margin-bottom: 1.25rem;
        }
        .form-group label {
            display: block;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.4rem;
        }
        .form-group input,
        .form-group select {
            width: 100%;
            padding: 0.8rem 1rem;
            border-radius: var(--radius-md);
            border: 1.5px solid var(--border-light);
            font-size: 0.95rem;
            color: var(--text-primary);
            background: var(--bg-page);
            transition: all var(--transition-fast);
        }
        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26,86,219,0.08);
            outline: none;
        }
        .form-group input::placeholder {
            color: var(--text-muted);
        }
        .btn-submit {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: var(--primary);
            color: #FFFFFF;
            padding: 0.9rem 1.5rem;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            cursor: pointer;
            border: none;
            box-shadow: 0 4px 14px rgba(26,86,219,0.3);
        }
        .btn-submit:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(26,86,219,0.4);
            transform: translateY(-1px);
        }
        .btn-submit:active {
            transform: scale(0.98);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1E293B;
            color: #CBD5E1;
            padding: 3rem 0 1.5rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-col h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 1rem;
        }
        .footer-col p,
        .footer-col a {
            font-size: 0.9rem;
            color: #94A3B8;
            line-height: 1.7;
        }
        .footer-col a:hover {
            color: #FFFFFF;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: #64748B;
        }
        .footer-bottom a {
            color: #94A3B8;
            margin: 0 0.5rem;
        }
        .footer-bottom a:hover {
            color: #FFFFFF;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .membership-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .membership-card.featured {
                transform: none;
            }
            .membership-card.featured:hover {
                transform: translateY(-3px);
            }
            .info-layout {
                grid-template-columns: 1fr;
            }
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .comparison-container {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .comparison-vs {
                padding: 0.5rem 0;
            }
            .hero-title {
                font-size: 2.25rem;
            }
            .countdown-num {
                font-size: 2rem;
            }
            .section {
                padding-top: 4rem;
                padding-bottom: 4rem;
            }
        }
        @media (max-width: 768px) {
            .nav-left, .nav-right {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-wrapper {
                justify-content: space-between;
            }
            .nav-logo {
                font-size: 1.15rem;
                order: 1;
                flex: 1;
                text-align: center;
            }
            .hamburger {
                order: 2;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .membership-grid {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin: 0 auto;
            }
            .membership-card.featured {
                transform: none;
            }
            .membership-card.featured:hover {
                transform: translateY(-3px);
            }
            .guarantee-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 0.95rem;
                padding: 0 0.5rem;
            }
            .countdown-block {
                min-width: 60px;
                padding: 0.7rem 0.9rem;
            }
            .countdown-num {
                font-size: 1.5rem;
            }
            .hero-metrics {
                gap: 1.5rem;
            }
            .hero-metric-num {
                font-size: 1.6rem;
            }
            .section {
                padding-top: var(--section-padding-mobile);
                padding-bottom: var(--section-padding-mobile);
            }
            .section-title {
                font-size: 1.5rem;
            }
            .quick-nav-grid {
                gap: 0.6rem;
            }
            .quick-nav-chip {
                padding: 0.55rem 1rem;
                font-size: 0.85rem;
            }
            .comparison-panel {
                padding: 1.5rem;
            }
            .cta-form-card {
                padding: 1.75rem 1.25rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .limited-banner {
                padding: 1.75rem 1.25rem;
            }
            .limited-banner h3 {
                font-size: 1.25rem;
            }
        }
        @media (max-width: 520px) {
            .hero-section {
                min-height: 500px;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-desc {
                font-size: 0.85rem;
            }
            .countdown-block {
                padding: 0.5rem 0.6rem;
                min-width: 50px;
            }
            .countdown-num {
                font-size: 1.25rem;
            }
            .countdown-label {
                font-size: 0.7rem;
            }
            .hero-subscribe {
                flex-direction: column;
                width: 100%;
            }
            .hero-subscribe input {
                min-width: auto;
                width: 100%;
            }
            .hero-metrics {
                gap: 1rem;
                flex-direction: column;
            }
            .guarantee-grid {
                grid-template-columns: 1fr;
            }
            .btn-primary, .btn-outline, .btn-light {
                padding: 0.7rem 1.25rem;
                font-size: 0.85rem;
            }
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }