/* roulang page: index */
:root {
            --color-primary: #F04E23;
            --color-primary-hover: #E0441C;
            --color-primary-light: #FF6B3D;
            --color-deep: #0B1A2D;
            --color-deep-secondary: #132842;
            --color-bg: #F7F5F2;
            --color-white: #FFFFFF;
            --color-text-primary: #0B1A2D;
            --color-text-secondary: #2D3A4A;
            --color-text-tertiary: #6C7787;
            --color-success: #0E9C5A;
            --color-border: #E2DFDB;
            --color-nav-bg: rgba(11, 26, 45, 0.92);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-pill: 30px;
            --shadow-card: 0 4px 20px rgba(11, 26, 45, 0.06);
            --shadow-card-hover: 0 8px 32px rgba(11, 26, 45, 0.12);
            --shadow-btn: 0 4px 14px rgba(240, 78, 35, 0.35);
            --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.15);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --section-spacing-desktop: 80px;
            --section-spacing-mobile: 60px;
            --container-max: 1200px;
            --container-padding: 24px;
            --nav-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--nav-height);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.75;
            color: var(--color-text-primary);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

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

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

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

        /* ========== NAVIGATION ========== */
        .nav-bar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: var(--color-nav-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: var(--shadow-nav);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
            display: flex;
            align-items: center;
        }

        .nav-bar.scrolled {
            background: rgba(11, 26, 45, 0.97);
            box-shadow: 0 4px 28px rgba(0, 0, 0, 0.22);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-padding);
            height: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
            text-decoration: none;
            transition: opacity var(--transition-fast);
        }
        .nav-logo:hover {
            opacity: 0.85;
        }
        .nav-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 900;
            color: #fff;
            flex-shrink: 0;
            letter-spacing: 0;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            flex-shrink: 0;
        }
        .nav-menu li {
            position: relative;
        }
        .nav-menu a {
            display: block;
            padding: 10px 16px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.82);
            border-radius: 22px;
            transition: color var(--transition-fast), background var(--transition-fast);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-menu a.nav-active-indicator {
            color: var(--color-primary);
            font-weight: 600;
        }
        .nav-menu a.nav-active-indicator::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 11px 22px;
            font-size: 14px;
            font-weight: 700;
            color: #FFFFFF;
            background: var(--color-primary);
            border-radius: var(--radius-pill);
            box-shadow: var(--shadow-btn);
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: 0.02em;
            cursor: pointer;
        }
        .nav-cta-btn:hover {
            background: var(--color-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(240, 78, 35, 0.45);
        }
        .nav-cta-btn:active {
            transform: translateY(0);
            box-shadow: var(--shadow-btn);
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            background: none;
            border: none;
            width: 40px;
            height: 32px;
            justify-content: center;
            align-items: center;
            flex-shrink: 0;
        }
        .nav-hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: #FFFFFF;
            border-radius: 2px;
            transition: all var(--transition-fast);
            transform-origin: center;
        }
        .nav-hamburger.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .nav-hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .nav-hamburger.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        .nav-mobile-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(11, 26, 45, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 999;
            display: none;
            flex-direction: column;
            align-items: flex-start;
            justify-content: flex-start;
            padding: 100px 32px 40px;
            gap: 6px;
        }
        .nav-mobile-overlay.open {
            display: flex;
        }
        .nav-mobile-overlay a {
            display: block;
            font-size: 20px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            padding: 14px 0;
            width: 100%;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: color var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .nav-mobile-overlay a:hover {
            color: var(--color-primary);
        }
        .nav-mobile-overlay .mobile-cta {
            margin-top: 20px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 14px 30px;
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
            background: var(--color-primary);
            border-radius: var(--radius-pill);
            box-shadow: var(--shadow-btn);
            letter-spacing: 0.03em;
            border-bottom: none;
            text-align: center;
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            background: linear-gradient(160deg, #0B1A2D 0%, #132842 40%, #0F2035 100%);
            overflow: hidden;
            padding-top: var(--nav-height);
            isolation: isolate;
        }
        .hero-bg-image {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.22;
            mix-blend-mode: overlay;
        }
        .hero-geo-lines {
            position: absolute;
            inset: 0;
            z-index: 1;
            pointer-events: none;
            opacity: 0.5;
        }
        .hero-geo-lines svg {
            width: 100%;
            height: 100%;
        }
        .hero-geo-line {
            stroke: rgba(240, 78, 35, 0.35);
            stroke-width: 1.5;
            fill: none;
            stroke-dasharray: 180 400;
            animation: heroLineDrift 14s linear infinite;
        }
        .hero-geo-line:nth-child(2) {
            stroke: rgba(255, 255, 255, 0.2);
            stroke-dasharray: 120 500;
            animation-delay: -6s;
            animation-duration: 18s;
        }
        .hero-geo-line:nth-child(3) {
            stroke: rgba(240, 78, 35, 0.25);
            stroke-dasharray: 200 350;
            animation-delay: -10s;
            animation-duration: 20s;
        }
        @keyframes heroLineDrift {
            0% {
                stroke-dashoffset: 0;
            }
            100% {
                stroke-dashoffset: -1200;
            }
        }
        .hero-glow-dot {
            position: absolute;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(240, 78, 35, 0.8) 0%, transparent 70%);
            width: 200px;
            height: 200px;
            z-index: 1;
            pointer-events: none;
            animation: heroGlowPulse 6s ease-in-out infinite;
        }
        .hero-glow-dot.dot-1 {
            top: 15%;
            right: 10%;
            animation-delay: 0s;
        }
        .hero-glow-dot.dot-2 {
            bottom: 20%;
            left: 5%;
            width: 160px;
            height: 160px;
            animation-delay: -3s;
            background: radial-gradient(circle, rgba(255, 107, 61, 0.55) 0%, transparent 70%);
        }
        @keyframes heroGlowPulse {
            0%,
            100% {
                opacity: 0.4;
                transform: scale(1);
            }
            50% {
                opacity: 0.75;
                transform: scale(1.25);
            }
        }
        .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 50px;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 60px var(--container-padding);
        }
        .hero-text {
            flex: 1 1 55%;
            color: #FFFFFF;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: #FFFFFF;
            background: rgba(240, 78, 35, 0.3);
            border: 1px solid rgba(240, 78, 35, 0.5);
            border-radius: var(--radius-pill);
            margin-bottom: 18px;
            text-transform: uppercase;
        }
        .hero-text h1 {
            font-size: 56px;
            font-weight: 800;
            line-height: 1.18;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }
        .hero-text h1 .highlight {
            color: var(--color-primary);
            position: relative;
            display: inline-block;
        }
        .hero-text h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            width: 100%;
            height: 6px;
            background: rgba(240, 78, 35, 0.35);
            border-radius: 3px;
            z-index: -1;
        }
        .hero-subtitle {
            font-size: 18px;
            font-weight: 400;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 30px;
            max-width: 500px;
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 700;
            border-radius: var(--radius-pill);
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            cursor: pointer;
            white-space: nowrap;
            text-align: center;
            position: relative;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #FFFFFF;
            box-shadow: var(--shadow-btn);
            border: 2px solid var(--color-primary);
        }
        .btn-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(240, 78, 35, 0.45);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-btn);
        }
        .btn-outline {
            background: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.55);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn:focus-visible {
            outline: 3px solid rgba(240, 78, 35, 0.6);
            outline-offset: 3px;
        }
        .hero-visual {
            flex: 1 1 45%;
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-visual-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            width: 100%;
            max-width: 400px;
            backdrop-filter: blur(4px);
        }
        .hero-visual-card .live-dot {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
        }
        .hero-visual-card .live-dot::before {
            content: '';
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #0E9C5A;
            animation: livePulse 1.6s ease-in-out infinite;
        }
        @keyframes livePulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(14, 156, 90, 0.7);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(14, 156, 90, 0);
            }
        }
        .hero-visual-card .match-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.9);
            font-size: 14px;
            font-weight: 500;
        }
        .hero-visual-card .match-row:last-child {
            border-bottom: none;
        }
        .hero-visual-card .match-score {
            font-weight: 800;
            color: var(--color-primary);
            font-size: 16px;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--section-spacing-desktop) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: var(--color-primary);
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 40px;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--color-text-primary);
            margin-bottom: 12px;
            line-height: 1.2;
        }
        .section-subtitle {
            font-size: 17px;
            color: var(--color-text-tertiary);
            max-width: 600px;
            line-height: 1.65;
            margin-bottom: 40px;
        }
        .section-header-center {
            text-align: center;
        }
        .section-header-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== FEATURES ========== */
        .features-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .feature-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 30px 28px;
            display: flex;
            gap: 20px;
            align-items: flex-start;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: rgba(240, 78, 35, 0.15);
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 0;
            background: var(--color-primary);
            border-radius: 0 2px 2px 0;
            transition: height var(--transition-smooth);
        }
        .feature-card:hover::before {
            height: 60px;
        }
        .feature-icon-box {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: #FFF3EF;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 24px;
            color: var(--color-primary);
            transition: all var(--transition-smooth);
        }
        .feature-card:hover .feature-icon-box {
            background: var(--color-primary);
            color: #FFFFFF;
            transform: scale(1.05);
        }
        .feature-info h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 6px;
            letter-spacing: -0.01em;
        }
        .feature-info p {
            font-size: 15px;
            color: var(--color-text-tertiary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== SCENARIOS ========== */
        .scenario-row {
            display: flex;
            align-items: center;
            gap: 50px;
            margin-bottom: 60px;
            flex-wrap: wrap;
        }
        .scenario-row:last-child {
            margin-bottom: 0;
        }
        .scenario-row.reverse {
            flex-direction: row-reverse;
        }
        .scenario-image {
            flex: 1 1 45%;
            min-width: 280px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-card);
            aspect-ratio: 4/3;
            background: #e8e6e3;
        }
        .scenario-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform var(--transition-smooth);
        }
        .scenario-image:hover img {
            transform: scale(1.04);
        }
        .scenario-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(240, 78, 35, 0.18) 0%, transparent 60%);
            pointer-events: none;
            border-radius: var(--radius-lg);
        }
        .scenario-text {
            flex: 1 1 45%;
            min-width: 260px;
        }
        .scenario-text h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .scenario-text p {
            font-size: 16px;
            color: var(--color-text-tertiary);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .scenario-tag {
            display: inline-block;
            padding: 5px 14px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: var(--color-primary);
            background: #FFF3EF;
            border-radius: var(--radius-pill);
            margin-bottom: 10px;
        }

        /* ========== STATS / CASES ========== */
        .stats-scroll-wrapper {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: #ccc transparent;
            padding-bottom: 8px;
            margin: 0 -8px;
            padding-left: 8px;
            padding-right: 8px;
        }
        .stats-scroll-wrapper::-webkit-scrollbar {
            height: 5px;
        }
        .stats-scroll-wrapper::-webkit-scrollbar-track {
            background: transparent;
        }
        .stats-scroll-wrapper::-webkit-scrollbar-thumb {
            background: #ccc;
            border-radius: 10px;
        }
        .stats-row {
            display: flex;
            gap: 20px;
            min-width: max-content;
            padding: 4px 0;
        }
        .stat-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            min-width: 200px;
            flex-shrink: 0;
            box-shadow: var(--shadow-card);
            text-align: center;
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: rgba(240, 78, 35, 0.2);
        }
        .stat-number {
            font-size: 44px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.03em;
            margin-bottom: 6px;
            line-height: 1;
        }
        .stat-label {
            font-size: 14px;
            color: var(--color-text-tertiary);
            font-weight: 500;
        }
        .stat-icon {
            font-size: 28px;
            margin-bottom: 8px;
            display: block;
        }

        /* ========== PRICING ========== */
        .pricing-grid {
            display: flex;
            gap: 24px;
            align-items: stretch;
            flex-wrap: wrap;
            justify-content: center;
        }
        .pricing-card {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            padding: 34px 28px;
            flex: 1 1 280px;
            max-width: 340px;
            min-width: 260px;
            box-shadow: var(--shadow-card);
            border: 2px solid transparent;
            transition: all var(--transition-smooth);
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .pricing-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .pricing-card.vip-highlight {
            background: var(--color-deep);
            border-color: var(--color-primary);
            box-shadow: 0 8px 36px rgba(240, 78, 35, 0.2);
            color: #FFFFFF;
            transform: scale(1.03);
            z-index: 2;
        }
        .pricing-card.vip-highlight:hover {
            transform: scale(1.03) translateY(-4px);
            box-shadow: 0 12px 44px rgba(240, 78, 35, 0.3);
        }
        .pricing-badge {
            position: absolute;
            top: -14px;
            right: 20px;
            background: var(--color-primary);
            color: #FFFFFF;
            font-size: 12px;
            font-weight: 800;
            letter-spacing: 0.04em;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            box-shadow: var(--shadow-btn);
            z-index: 3;
        }
        .pricing-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 6px;
            letter-spacing: -0.01em;
        }
        .pricing-card.vip-highlight h3 {
            color: #FFFFFF;
        }
        .pricing-card .price-amount {
            font-size: 48px;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin: 10px 0 4px;
            line-height: 1;
        }
        .pricing-card.vip-highlight .price-amount {
            color: var(--color-primary);
        }
        .pricing-card .price-period {
            font-size: 14px;
            color: var(--color-text-tertiary);
            margin-bottom: 18px;
        }
        .pricing-card.vip-highlight .price-period {
            color: rgba(255, 255, 255, 0.6);
        }
        .pricing-features {
            list-style: none;
            flex: 1;
            margin-bottom: 22px;
        }
        .pricing-features li {
            padding: 8px 0;
            font-size: 14px;
            color: var(--color-text-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
            border-bottom: 1px solid #f0efed;
        }
        .pricing-card.vip-highlight .pricing-features li {
            color: rgba(255, 255, 255, 0.85);
            border-bottom-color: rgba(255, 255, 255, 0.1);
        }
        .pricing-features li .check-icon {
            color: var(--color-success);
            font-weight: 700;
            flex-shrink: 0;
        }
        .pricing-card.vip-highlight .pricing-features li .check-icon {
            color: var(--color-primary-light);
        }
        .pricing-card .btn {
            width: 100%;
            justify-content: center;
        }
        .pricing-card:not(.vip-highlight) .btn-outline-dark {
            background: transparent;
            color: var(--color-text-primary);
            border: 2px solid var(--color-border);
        }
        .pricing-card:not(.vip-highlight) .btn-outline-dark:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: #FFF3EF;
        }

        /* ========== FAQ ========== */
        .faq-list {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }
        .faq-item {
            border-bottom: 1px solid #f0efed;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 24px;
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            cursor: pointer;
            background: none;
            border: none;
            transition: color var(--transition-fast);
            letter-spacing: 0.01em;
            line-height: 1.5;
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-arrow {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            transition: transform var(--transition-smooth);
            color: var(--color-text-tertiary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 24px;
            font-size: 15px;
            color: var(--color-text-tertiary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            margin: 0;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(150deg, #F04E23 0%, #D93E18 40%, #C53714 100%);
            position: relative;
            overflow: hidden;
            isolation: isolate;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(11, 26, 45, 0.3);
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 70px var(--container-padding);
        }
        .cta-section h2 {
            font-size: 38px;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: -0.02em;
            margin-bottom: 10px;
        }
        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        .cta-section .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            font-size: 17px;
            font-weight: 800;
            letter-spacing: 0.03em;
            color: var(--color-primary);
            background: #FFFFFF;
            border-radius: var(--radius-pill);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: none;
        }
        .cta-section .btn-cta-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            background: #FFF8F5;
        }
        .cta-section .btn-cta-large:active {
            transform: translateY(0);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-deep);
            color: rgba(255, 255, 255, 0.7);
            padding: 50px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }
        .footer-col p {
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: 8px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-primary);
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 10px;
        }
        .footer-social-icons {
            display: flex;
            gap: 12px;
            margin-top: 12px;
        }
        .footer-social-icons span {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            transition: all var(--transition-fast);
            cursor: default;
        }
        .footer-social-icons span:hover {
            background: var(--color-primary);
            color: #FFFFFF;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 22px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-text h1 {
                font-size: 44px;
            }
            .hero-content {
                gap: 30px;
            }
            .section-title {
                font-size: 34px;
            }
            .features-grid {
                gap: 20px;
            }
            .pricing-card.vip-highlight {
                transform: scale(1.01);
            }
            .pricing-card.vip-highlight:hover {
                transform: scale(1.01) translateY(-4px);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-spacing-desktop: 60px;
            }
            .nav-menu {
                display: none;
            }
            .nav-cta-btn.desktop-only {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .hero {
                min-height: auto;
                padding-top: var(--nav-height);
            }
            .hero-content {
                flex-direction: column;
                text-align: center;
                padding: 40px var(--container-padding) 50px;
                gap: 30px;
            }
            .hero-text {
                order: 1;
                flex: auto;
            }
            .hero-visual {
                order: 2;
                flex: auto;
                min-height: auto;
                width: 100%;
            }
            .hero-visual-card {
                max-width: 100%;
            }
            .hero-text h1 {
                font-size: 36px;
            }
            .hero-subtitle {
                font-size: 16px;
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-buttons {
                justify-content: center;
            }
            .section-title {
                font-size: 28px;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-card {
                padding: 22px 20px;
                gap: 14px;
            }
            .feature-icon-box {
                width: 44px;
                height: 44px;
                font-size: 20px;
            }
            .scenario-row,
            .scenario-row.reverse {
                flex-direction: column;
                gap: 24px;
                margin-bottom: 40px;
            }
            .scenario-image {
                flex: auto;
                width: 100%;
                min-width: auto;
                aspect-ratio: 16/10;
            }
            .scenario-text {
                flex: auto;
                min-width: auto;
                text-align: center;
            }
            .pricing-grid {
                flex-direction: column;
                align-items: center;
                gap: 20px;
            }
            .pricing-card {
                max-width: 100%;
                width: 100%;
                flex: auto;
            }
            .pricing-card.vip-highlight {
                transform: none;
            }
            .pricing-card.vip-highlight:hover {
                transform: translateY(-4px);
            }
            .stat-card {
                min-width: 150px;
                padding: 20px 22px;
            }
            .stat-number {
                font-size: 32px;
            }
            .cta-section h2 {
                font-size: 28px;
            }
            .cta-section .container {
                padding: 50px var(--container-padding);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
                text-align: center;
            }
            .footer-logo {
                justify-content: center;
            }
            .footer-social-icons {
                justify-content: center;
            }
            .faq-question {
                font-size: 15px;
                padding: 16px 18px;
            }
            .faq-answer {
                padding: 0 18px;
            }
            .faq-item.open .faq-answer {
                padding: 0 18px 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 14px;
            }
            .btn {
                padding: 12px 20px;
                font-size: 14px;
            }
            .section-title {
                font-size: 24px;
            }
            .pricing-card {
                padding: 24px 18px;
            }
            .pricing-card .price-amount {
                font-size: 36px;
            }
            .stat-card {
                min-width: 130px;
                padding: 16px 16px;
            }
            .stat-number {
                font-size: 28px;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 10px;
            }
            .hero-buttons .btn {
                width: 100%;
                justify-content: center;
            }
            .nav-logo {
                font-size: 18px;
            }
            .nav-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
        }