/* roulang page: index */
:root {
            --bg-deep: #060B14;
            --bg-footer: #02050A;
            --brand-blue: #0A84FF;
            --brand-blue-hover: #3399FF;
            --accent-purple: #BF5AF2;
            --accent-amber: #FF9F0A;
            --text-white: rgba(255, 255, 255, 0.85);
            --text-secondary: rgba(255, 255, 255, 0.55);
            --text-dim: rgba(255, 255, 255, 0.45);
            --card-bg: rgba(255, 255, 255, 0.03);
            --card-bg-hover: rgba(255, 255, 255, 0.06);
            --card-border: rgba(255, 255, 255, 0.08);
            --card-border-hover: rgba(191, 90, 242, 0.4);
            --input-bg: rgba(255, 255, 255, 0.06);
            --nav-bg: rgba(6, 11, 20, 0.85);
            --radius-lg: 24px;
            --radius-full: 50px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-card: 0 20px 50px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.05);
            --shadow-glow-blue: 0 0 20px rgba(10, 132, 255, 0.6), 0 4px 15px rgba(0, 0, 0, 0.5);
            --shadow-glow-blue-hover: 0 0 35px rgba(10, 132, 255, 0.9), 0 0 15px rgba(191, 90, 242, 0.6);
            --shadow-glow-purple: 0 0 30px rgba(10, 132, 255, 0.15);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-family: system-ui, -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container-max: 1200px;
            --section-gap: 120px;
            --section-gap-mobile: 80px;
            --card-padding: 32px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 80px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--bg-deep);
            color: var(--text-white);
            font-size: 16px;
            line-height: 1.7;
            font-weight: 400;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Section spacing */
        section {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }
        @media (max-width: 768px) {
            section {
                padding-top: var(--section-gap-mobile);
                padding-bottom: var(--section-gap-mobile);
            }
        }

        /* ========== NAVIGATION ========== */
        #main-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--nav-bg);
            backdrop-filter: blur(25px);
            -webkit-backdrop-filter: blur(25px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: background var(--transition-normal);
            height: 64px;
            display: flex;
            align-items: center;
        }
        #main-nav .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 34px;
            height: 34px;
            position: relative;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon svg {
            width: 100%;
            height: 100%;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            display: block;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-normal);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--brand-blue);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--brand-blue);
            box-shadow: 0 0 10px var(--brand-blue), 0 0 20px rgba(10, 132, 255, 0.6);
        }

        /* Hamburger */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            z-index: 1100;
            padding: 8px;
            background: none;
            border: none;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-normal);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Mobile drawer */
        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(2, 5, 10, 0.92);
            backdrop-filter: blur(30px);
            -webkit-backdrop-filter: blur(30px);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 20px;
            transform: translateY(-100%);
            transition: transform var(--transition-slow);
            pointer-events: none;
        }
        .mobile-drawer.open {
            transform: translateY(0);
            pointer-events: auto;
        }
        .mobile-drawer a {
            font-size: 22px;
            font-weight: 600;
            color: #fff;
            padding: 12px 24px;
            position: relative;
            transition: all var(--transition-normal);
        }
        .mobile-drawer a::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--brand-blue);
            box-shadow: 0 0 12px var(--brand-blue);
            opacity: 0;
            transition: opacity var(--transition-normal);
        }
        .mobile-drawer a:hover::before,
        .mobile-drawer a.active::before {
            opacity: 1;
        }
        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--brand-blue);
            padding-left: 32px;
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-logo {
                font-size: 17px;
            }
            .nav-logo .logo-icon {
                width: 28px;
                height: 28px;
            }
        }
        @media (min-width: 769px) {
            .mobile-drawer {
                display: none;
            }
        }

        /* ========== HERO ========== */
        #hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            padding-top: 64px;
            background-color: var(--bg-deep);
            background-image:
                radial-gradient(ellipse at 70% 35%, rgba(10, 132, 255, 0.12) 0%, transparent 55%),
                radial-gradient(ellipse at 25% 65%, rgba(191, 90, 242, 0.08) 0%, transparent 50%),
                url('/assets/images/backpic/back-1.webp');
            background-size: auto, auto, cover;
            background-position: center;
            background-repeat: no-repeat;
            background-blend-mode: normal, normal, soft-light;
        }
        #hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(6, 11, 20, 0.55);
            z-index: 1;
            pointer-events: none;
        }
        #hero .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: 0 24px;
        }
        #hero h1 {
            font-size: 56px;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 20px;
            text-shadow: 0 0 30px rgba(10, 132, 255, 0.5), 0 0 60px rgba(10, 132, 255, 0.2);
            letter-spacing: 0.03em;
        }
        #hero .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 36px;
            line-height: 1.6;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        #hero .hero-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            #hero h1 {
                font-size: 36px;
            }
            #hero .hero-subtitle {
                font-size: 16px;
            }
            #hero .hero-buttons {
                flex-direction: column;
                align-items: center;
                gap: 12px;
            }
        }
        @media (max-width: 480px) {
            #hero h1 {
                font-size: 28px;
            }
        }

        /* ========== BUTTONS ========== */
        .btn-primary {
            display: inline-block;
            background: var(--brand-blue);
            color: #fff;
            padding: 14px 36px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 16px;
            border: none;
            box-shadow: var(--shadow-glow-blue);
            transition: all var(--transition-normal);
            cursor: pointer;
            text-align: center;
            min-height: 48px;
            line-height: 1.2;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--brand-blue-hover);
            box-shadow: var(--shadow-glow-blue-hover);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-ghost {
            display: inline-block;
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            border-radius: var(--radius-full);
            padding: 14px 36px;
            font-weight: 700;
            font-size: 16px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: all var(--transition-normal);
            cursor: pointer;
            text-align: center;
            min-height: 48px;
            line-height: 1.2;
            white-space: nowrap;
        }
        .btn-ghost:hover {
            border-color: var(--brand-blue);
            color: var(--brand-blue);
            box-shadow: 0 0 18px rgba(10, 132, 255, 0.35);
            transform: translateY(-2px);
        }
        @media (max-width: 480px) {
            .btn-primary,
            .btn-ghost {
                width: 100%;
                max-width: 280px;
                padding: 14px 24px;
            }
        }

        /* ========== SECTION HEADINGS ========== */
        .section-heading {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-heading h2 {
            font-size: 40px;
            font-weight: 700;
            color: #fff;
            text-shadow: 0 0 20px rgba(10, 132, 255, 0.5);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .section-heading .sub-decor {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-dim);
            letter-spacing: 0.15em;
            text-transform: uppercase;
        }
        @media (max-width: 768px) {
            .section-heading h2 {
                font-size: 28px;
            }
            .section-heading {
                margin-bottom: 36px;
            }
        }

        /* ========== GLASS CARD ========== */
        .glass-card {
            background: var(--card-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: var(--card-padding);
            position: relative;
            overflow: hidden;
            transition: all var(--transition-normal);
        }
        .glass-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 10%;
            right: 10%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(191, 90, 242, 0.3), transparent);
            pointer-events: none;
            transition: opacity var(--transition-normal);
            opacity: 0.6;
        }
        .glass-card:hover {
            border-color: var(--card-border-hover);
            background: var(--card-bg-hover);
            box-shadow: var(--shadow-glow-purple), var(--shadow-card);
            transform: translateY(-3px);
        }
        .glass-card:hover::before {
            opacity: 1;
            background: linear-gradient(90deg, transparent, rgba(191, 90, 242, 0.55), transparent);
        }
        @supports not (backdrop-filter: blur(20px)) {
            .glass-card {
                background: rgba(20, 28, 45, 0.85);
            }
            .glass-card:hover {
                background: rgba(25, 34, 52, 0.9);
            }
        }

        /* ========== VALUE SECTION ========== */
        #value {
            text-align: center;
        }
        #value .value-statement {
            font-size: 28px;
            font-weight: 600;
            color: #fff;
            max-width: 700px;
            margin: 0 auto 40px;
            line-height: 1.5;
            text-shadow: 0 0 15px rgba(10, 132, 255, 0.25);
        }
        #value .value-stats {
            display: flex;
            gap: 40px;
            justify-content: center;
            flex-wrap: wrap;
        }
        #value .value-stat {
            text-align: center;
            min-width: 140px;
        }
        #value .value-stat .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent-amber);
            display: block;
            line-height: 1.2;
        }
        #value .value-stat .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            #value .value-statement {
                font-size: 22px;
            }
            #value .value-stats {
                gap: 24px;
            }
            #value .value-stat .stat-number {
                font-size: 28px;
            }
        }

        /* ========== FEATURES ========== */
        .features-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .features-grid .feature-card {
            position: relative;
        }
        .features-grid .feature-card.feature-hero-card {
            grid-column: 1 / -1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: center;
            border-color: rgba(191, 90, 242, 0.25);
        }
        .features-grid .feature-card.feature-hero-card::before {
            background: linear-gradient(90deg, transparent, rgba(191, 90, 242, 0.5), transparent);
            opacity: 0.8;
        }
        .feature-card .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(10, 132, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .feature-card .feature-icon svg {
            width: 24px;
            height: 24px;
            fill: none;
            stroke: var(--brand-blue);
            stroke-width: 2;
        }
        .feature-card h3 {
            font-size: 22px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 8px;
        }
        .feature-card .learn-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-blue);
            transition: all var(--transition-normal);
        }
        .feature-card .learn-more .arrow {
            display: inline-block;
            transition: transform var(--transition-normal);
        }
        .feature-card .learn-more:hover .arrow {
            transform: translateX(4px);
        }
        .feature-card .learn-more:hover {
            color: var(--brand-blue-hover);
        }
        .feature-card .card-image-placeholder {
            width: 100%;
            aspect-ratio: 16/10;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .feature-card .card-image-placeholder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        @media (max-width: 768px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .features-grid .feature-card.feature-hero-card {
                grid-column: auto;
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-card .card-image-placeholder {
                aspect-ratio: 16/9;
                order: -1;
            }
        }

        /* ========== SCENARIOS ========== */
        .scenarios-wrapper {
            position: relative;
        }
        .scenarios-scroll {
            display: flex;
            gap: 24px;
            overflow-x: auto;
            scroll-snap-type: x proximity;
            -webkit-overflow-scrolling: touch;
            padding: 12px 0 20px;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .scenarios-scroll::-webkit-scrollbar {
            display: none;
        }
        .scenarios-scroll::before,
        .scenarios-scroll::after {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            width: 60px;
            z-index: 2;
            pointer-events: none;
        }
        .scenarios-scroll::before {
            left: 0;
            background: linear-gradient(to right, var(--bg-deep) 0%, transparent 100%);
        }
        .scenarios-scroll::after {
            right: 0;
            background: linear-gradient(to left, var(--bg-deep) 0%, transparent 100%);
        }
        .scenario-card {
            flex: 0 0 300px;
            scroll-snap-align: center;
            background: var(--card-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-normal);
            cursor: pointer;
        }
        .scenario-card:hover {
            border-color: var(--card-border-hover);
            box-shadow: var(--shadow-glow-purple);
            transform: translateY(-4px) scale(1.03);
        }
        .scenario-card .scenario-img {
            width: 100%;
            height: 180px;
            overflow: hidden;
            background: rgba(255, 255, 255, 0.02);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .scenario-card .scenario-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .scenario-card .scenario-info {
            padding: 20px;
        }
        .scenario-card .scenario-info h3 {
            font-size: 18px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 6px;
        }
        .scenario-card .scenario-info p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        @media (max-width: 768px) {
            .scenario-card {
                flex: 0 0 260px;
            }
            .scenario-card .scenario-img {
                height: 150px;
            }
            .scenarios-scroll::before,
            .scenarios-scroll::after {
                width: 30px;
            }
        }

        /* ========== CASES ========== */
        #cases .cases-stats {
            display: flex;
            gap: 30px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 60px;
        }
        #cases .case-stat-block {
            text-align: center;
            padding: 28px 36px;
            background: var(--card-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            min-width: 160px;
        }
        #cases .case-stat-block .case-num {
            font-size: 42px;
            font-weight: 800;
            color: var(--accent-amber);
            display: block;
            line-height: 1.1;
        }
        #cases .case-stat-block .case-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 6px;
        }
        #cases .partners-grid {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
        }
        #cases .partner-logo-placeholder {
            width: 120px;
            height: 60px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--text-dim);
            font-weight: 500;
            transition: all var(--transition-normal);
            filter: grayscale(1);
            opacity: 0.6;
        }
        #cases .partner-logo-placeholder:hover {
            filter: grayscale(0);
            opacity: 1;
            border-color: var(--brand-blue);
            box-shadow: 0 0 16px rgba(10, 132, 255, 0.3);
            color: #fff;
        }
        @media (max-width: 768px) {
            #cases .cases-stats {
                gap: 16px;
                margin-bottom: 36px;
            }
            #cases .case-stat-block {
                padding: 20px 24px;
                min-width: 120px;
            }
            #cases .case-stat-block .case-num {
                font-size: 30px;
            }
            #cases .partner-logo-placeholder {
                width: 90px;
                height: 48px;
                font-size: 11px;
            }
        }

        /* ========== PRICING ========== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: start;
        }
        .pricing-card {
            background: var(--card-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            text-align: center;
            position: relative;
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            gap: 16px;
            height: 100%;
        }
        .pricing-card:hover {
            border-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-4px);
        }
        .pricing-card.featured {
            border-color: rgba(191, 90, 242, 0.35);
            box-shadow: 0 0 35px rgba(191, 90, 242, 0.2), 0 20px 50px rgba(0, 0, 0, 0.6);
            transform: translateY(-8px);
            z-index: 1;
        }
        .pricing-card.featured:hover {
            border-color: rgba(191, 90, 242, 0.6);
            box-shadow: 0 0 50px rgba(191, 90, 242, 0.35), 0 25px 60px rgba(0, 0, 0, 0.7);
            transform: translateY(-10px);
        }
        .pricing-card .pricing-badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 700;
            background: rgba(191, 90, 242, 0.2);
            color: var(--accent-purple);
            letter-spacing: 0.04em;
            margin: 0 auto;
            width: fit-content;
        }
        .pricing-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
        }
        .pricing-card .price {
            font-size: 42px;
            font-weight: 800;
            color: var(--accent-amber);
            line-height: 1;
        }
        .pricing-card .price span {
            font-size: 16px;
            font-weight: 400;
            color: var(--text-secondary);
        }
        .pricing-card ul {
            text-align: left;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .pricing-card ul li {
            font-size: 14px;
            color: var(--text-secondary);
            padding-left: 22px;
            position: relative;
            line-height: 1.5;
        }
        .pricing-card ul li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--brand-blue);
            font-weight: 700;
            font-size: 14px;
        }
        .pricing-card .btn-primary,
        .pricing-card .btn-ghost {
            width: 100%;
            padding: 13px 20px;
            font-size: 15px;
        }
        @media (max-width: 1024px) {
            .pricing-grid {
                grid-template-columns: 1fr 1fr;
            }
            .pricing-card.featured {
                grid-column: 1 / -1;
                max-width: 440px;
                margin: 0 auto;
            }
        }
        @media (max-width: 640px) {
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin: 0 auto;
            }
            .pricing-card.featured {
                grid-column: auto;
                max-width: none;
                margin: 0;
                transform: translateY(-4px);
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-normal);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.14);
        }
        .faq-item .faq-question {
            padding: 18px 20px 18px 44px;
            font-size: 17px;
            font-weight: 600;
            color: #fff;
            position: relative;
            user-select: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: color var(--transition-normal);
        }
        .faq-item .faq-question::before {
            content: '';
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%) rotate(45deg);
            width: 10px;
            height: 10px;
            border: 2px solid var(--brand-blue);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(10, 132, 255, 0.5);
            transition: all var(--transition-normal);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question::before {
            border-color: var(--accent-purple);
            box-shadow: 0 0 12px rgba(191, 90, 242, 0.6);
            transform: translateY(-50%) rotate(225deg);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px 0 44px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 0 20px 18px 44px;
        }
        .faq-item.active {
            border-color: rgba(191, 90, 242, 0.3);
            box-shadow: 0 0 20px rgba(10, 132, 255, 0.08);
        }
        @media (max-width: 480px) {
            .faq-item .faq-question {
                font-size: 15px;
                padding: 16px 14px 16px 38px;
            }
            .faq-item .faq-question::before {
                left: 12px;
                width: 8px;
                height: 8px;
            }
            .faq-item .faq-answer {
                padding: 0 14px 0 38px;
                font-size: 14px;
            }
            .faq-item.active .faq-answer {
                padding: 0 14px 14px 38px;
            }
        }

        /* ========== CTA SECTION ========== */
        #cta {
            position: relative;
            overflow: hidden;
            background: var(--bg-deep);
            text-align: center;
        }
        #cta::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 400px;
            background: radial-gradient(ellipse, rgba(10, 132, 255, 0.18) 0%, rgba(191, 90, 242, 0.08) 40%, transparent 70%);
            pointer-events: none;
            z-index: 0;
            border-radius: 50%;
            filter: blur(40px);
        }
        #cta .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 650px;
            margin: 0 auto;
            padding: 60px 24px;
            background: var(--card-bg);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
        }
        #cta h2 {
            font-size: 34px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            text-shadow: 0 0 20px rgba(10, 132, 255, 0.4);
        }
        #cta p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 28px;
        }
        #cta .cta-form {
            display: flex;
            gap: 10px;
            max-width: 460px;
            margin: 0 auto 16px;
            flex-wrap: wrap;
            justify-content: center;
        }
        #cta .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border-radius: var(--radius-full);
            background: var(--input-bg);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: #fff;
            font-size: 15px;
            transition: all var(--transition-normal);
        }
        #cta .cta-form input:focus {
            border-color: var(--brand-blue);
            box-shadow: 0 0 16px rgba(10, 132, 255, 0.3);
            outline: none;
        }
        #cta .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }
        #cta .cta-hint {
            font-size: 13px;
            color: var(--text-dim);
        }
        @media (max-width: 768px) {
            #cta h2 {
                font-size: 26px;
            }
            #cta .cta-inner {
                padding: 40px 20px;
            }
            #cta::before {
                width: 300px;
                height: 250px;
            }
        }

        /* ========== FOOTER ========== */
        #footer {
            background: var(--bg-footer);
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }
        #footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        #footer .footer-brand .footer-logo-text {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        #footer .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            max-width: 300px;
        }
        #footer h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        #footer ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        #footer ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color var(--transition-normal);
        }
        #footer ul li a:hover {
            color: var(--brand-blue);
        }
        #footer .footer-bottom {
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 13px;
            color: var(--text-dim);
        }
        @media (max-width: 768px) {
            #footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                text-align: center;
            }
            #footer .footer-brand p {
                max-width: none;
                margin: 0 auto;
            }
            #footer .footer-brand .footer-logo-text {
                justify-content: center;
            }
            #footer ul {
                align-items: center;
            }
        }

        /* ========== SECTION DIVIDER DECOR ========== */
        .section-divider {
            text-align: center;
            padding: 0;
            margin: -40px 0 0;
            font-size: 14px;
            color: var(--text-dim);
            letter-spacing: 0.08em;
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .section-divider {
                margin: -20px 0 0;
            }
        }

        /* ========== COUNTER ANIMATION SUPPORT ========== */
        .count-up {
            transition: none;
        }

        /* ========== UTILITY ========== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        .text-accent {
            color: var(--accent-amber);
        }
        .text-blue {
            color: var(--brand-blue);
        }