/* roulang page: index */
:root {
            --bg-deep: #0A0E27;
            --bg-card: rgba(255, 255, 255, 0.04);
            --cyan: #00F2FE;
            --cyan-glow: rgba(0, 242, 254, 0.35);
            --orange: #FF6B35;
            --orange-glow: rgba(255, 107, 53, 0.4);
            --text-white: #ffffff;
            --text-body: #BFC6DC;
            --text-muted: #8890B5;
            --border-subtle: rgba(255, 255, 255, 0.15);
            --border-cyan: rgba(0, 242, 254, 0.5);
            --radius-card: 18px;
            --radius-btn: 40px;
            --radius-input: 12px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-glow-cyan: 0 0 28px rgba(0, 242, 254, 0.25);
            --shadow-glow-orange: 0 0 28px rgba(255, 107, 53, 0.3);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Segoe UI', sans-serif;
            --container-max: 1200px;
            --section-gap: 90px;
            --section-gap-mobile: 56px;
        }

        *,
        *::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);
            background-color: var(--bg-deep);
            color: var(--text-body);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            background-image: radial-gradient(ellipse at 50% 0%, rgba(0, 242, 254, 0.06) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 20%, rgba(255, 107, 53, 0.04) 0%, transparent 55%),
                radial-gradient(ellipse at 20% 70%, rgba(0, 242, 254, 0.03) 0%, transparent 50%);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4 {
            color: var(--text-white);
            line-height: 1.25;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== NAVIGATION ========== */
        .nav-bar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 16px 0;
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth), padding var(--transition-smooth);
            background: transparent;
        }
        .nav-bar.scrolled {
            background: rgba(10, 14, 39, 0.84);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06), 0 4px 24px rgba(0, 0, 0, 0.5);
            padding: 10px 0;
        }
        .nav-bar.scrolled::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 242, 254, 0.4), transparent);
            pointer-events: none;
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon svg {
            width: 100%;
            height: 100%;
            display: block;
        }
        .nav-logo .logo-highlight {
            color: var(--cyan);
            font-weight: 900;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-links a {
            position: relative;
            font-size: 0.95rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            padding: 6px 0;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--cyan);
            border-radius: 1px;
            transition: width var(--transition-smooth);
        }
        .nav-links a:hover,
        .nav-links a:focus-visible {
            color: var(--cyan);
        }
        .nav-links a:hover::after,
        .nav-links a:focus-visible::after {
            width: 100%;
        }
        .nav-links .nav-cta-btn {
            display: inline-block;
            background: linear-gradient(135deg, #00F2FE 0%, #FF6B35 100%);
            color: #fff;
            font-weight: 700;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            box-shadow: 0 0 16px var(--cyan-glow);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        }
        .nav-links .nav-cta-btn:hover {
            transform: scale(1.06);
            box-shadow: 0 0 26px rgba(0, 242, 254, 0.5);
            color: #fff;
        }
        .nav-links .nav-cta-btn::after {
            display: none;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            z-index: 1001;
            padding: 8px;
            background: transparent;
            border: none;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-white);
            border-radius: 2px;
            transition: transform var(--transition-smooth), opacity var(--transition-smooth);
        }
        .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: fixed;
            inset: 0;
            z-index: 999;
            background: rgba(10, 14, 39, 0.95);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 32px;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }
        .mobile-menu.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-menu a {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-white);
            transition: color var(--transition-fast);
        }
        .mobile-menu a:hover {
            color: var(--cyan);
        }
        .mobile-menu .mobile-cta {
            background: linear-gradient(135deg, #00F2FE 0%, #FF6B35 100%);
            padding: 14px 36px;
            border-radius: var(--radius-btn);
            color: #fff;
            font-weight: 700;
            box-shadow: 0 0 20px var(--cyan-glow);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: 80px;
            padding-bottom: 60px;
            overflow: hidden;
        }
        .hero-bg {
            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: 0.35;
            pointer-events: none;
        }
        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: radial-gradient(ellipse at 40% 50%, rgba(0, 242, 254, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 65% 30%, rgba(255, 107, 53, 0.06) 0%, transparent 50%),
                linear-gradient(180deg, rgba(10, 14, 39, 0.3) 0%, rgba(10, 14, 39, 0.75) 60%, var(--bg-deep) 100%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .hero-content h1 {
            font-size: 3.6rem;
            font-weight: 900;
            color: var(--text-white);
            margin-bottom: 18px;
            text-shadow: 0 0 28px rgba(0, 242, 254, 0.55), 0 0 60px rgba(0, 242, 254, 0.2);
            letter-spacing: 0.01em;
            line-height: 1.2;
        }
        .hero-content h1 .h1-highlight {
            color: var(--cyan);
        }
        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-body);
            margin-bottom: 36px;
            max-width: 560px;
            line-height: 1.7;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, #00F2FE 0%, #FF6B35 100%);
            color: #fff;
            font-weight: 700;
            padding: 15px 38px;
            border-radius: var(--radius-btn);
            box-shadow: 0 0 20px var(--cyan-glow);
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
            font-size: 1.05rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .btn-primary:hover {
            transform: scale(1.06);
            box-shadow: 0 0 34px rgba(0, 242, 254, 0.55), 0 8px 28px rgba(0, 0, 0, 0.4);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--cyan);
            font-weight: 700;
            padding: 14px 36px;
            border-radius: var(--radius-btn);
            border: 2px solid var(--cyan);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth), transform var(--transition-smooth);
            font-size: 1.05rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background: rgba(0, 242, 254, 0.12);
            box-shadow: 0 0 22px rgba(0, 242, 254, 0.3);
            transform: scale(1.04);
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--cyan);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }
        .section-desc {
            font-size: 1.08rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 40px;
            line-height: 1.7;
        }

        /* ========== FEATURES 两列大卡 ========== */
        .features-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .feature-card {
            display: flex;
            gap: 22px;
            align-items: flex-start;
            background: var(--bg-card);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 30px 28px;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth), transform var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            border-color: var(--border-cyan);
            box-shadow: var(--shadow-card), 0 0 36px rgba(0, 242, 254, 0.18);
            transform: translateY(-3px);
        }
        .feature-card .fc-icon-wrap {
            flex-shrink: 0;
            width: 64px;
            height: 64px;
            border-radius: 16px;
            overflow: hidden;
            background: rgba(0, 242, 254, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .feature-card .fc-icon-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .feature-card .fc-icon-svg {
            width: 38px;
            height: 38px;
            color: var(--cyan);
        }
        .feature-card .fc-text h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }
        .feature-card .fc-text p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ========== COVERAGE 数据看板 ========== */
        .coverage-section {
            position: relative;
            background: rgba(10, 14, 39, 0.7);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .coverage-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            pointer-events: none;
        }
        .coverage-inner {
            position: relative;
            z-index: 1;
        }
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 48px;
            text-align: center;
        }
        .stat-item {
            flex: 1 1 180px;
            max-width: 240px;
        }
        .stat-number {
            font-size: 3.8rem;
            font-weight: 900;
            background: linear-gradient(135deg, #00F2FE 0%, #FF6B35 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
            line-height: 1.1;
            margin-bottom: 8px;
            text-shadow: none;
            filter: drop-shadow(0 0 14px rgba(0, 242, 254, 0.4));
        }
        .stat-label {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-body);
            letter-spacing: 0.03em;
        }

        /* ========== HOW IT WORKS ========== */
        .steps-row {
            display: flex;
            gap: 24px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .step-card {
            flex: 1 1 260px;
            max-width: 320px;
            text-align: center;
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 36px 24px 28px;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth);
            position: relative;
        }
        .step-card:hover {
            border-color: var(--border-cyan);
            box-shadow: var(--shadow-card), 0 0 28px rgba(0, 242, 254, 0.14);
        }
        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--cyan);
            border: 2px solid var(--cyan);
            background: rgba(0, 242, 254, 0.06);
            box-shadow: 0 0 18px rgba(0, 242, 254, 0.3);
            margin-bottom: 18px;
            transition: box-shadow var(--transition-smooth);
        }
        .step-card:hover .step-num {
            box-shadow: 0 0 32px rgba(0, 242, 254, 0.55);
        }
        .step-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-white);
        }
        .step-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonials-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 12px;
            scrollbar-width: thin;
            scrollbar-color: rgba(0, 242, 254, 0.3) transparent;
        }
        .testimonials-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .testimonials-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .testimonials-scroll::-webkit-scrollbar-thumb {
            background: rgba(0, 242, 254, 0.3);
            border-radius: 3px;
        }
        .testimonial-card {
            flex: 0 0 340px;
            scroll-snap-align: start;
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 26px 24px;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth);
            min-width: 280px;
        }
        .testimonial-card:hover {
            border-color: var(--border-cyan);
            box-shadow: var(--shadow-card), 0 0 24px rgba(0, 242, 254, 0.13);
        }
        .testimonial-card .tc-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }
        .tc-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            overflow: hidden;
            flex-shrink: 0;
            background: rgba(0, 242, 254, 0.1);
        }
        .tc-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .tc-info .tc-name {
            font-weight: 700;
            color: var(--text-white);
            font-size: 0.95rem;
        }
        .tc-info .tc-tag {
            font-size: 0.8rem;
            color: var(--cyan);
        }
        .tc-stars {
            color: #FFB800;
            font-size: 0.85rem;
            letter-spacing: 2px;
            margin-bottom: 8px;
        }
        .tc-body {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .faq-item.active {
            border-color: var(--border-cyan);
            box-shadow: 0 0 20px rgba(0, 242, 254, 0.1);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-white);
            cursor: pointer;
            transition: color var(--transition-fast);
            text-align: left;
            background: transparent;
            border: none;
        }
        .faq-question:hover {
            color: var(--cyan);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 700;
            color: var(--cyan);
            transition: transform var(--transition-smooth), border-color var(--transition-smooth);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            border-color: var(--cyan);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ========== DOWNLOAD CTA ========== */
        .download-section {
            position: relative;
            text-align: center;
            padding: 80px 0;
            overflow: hidden;
            background: rgba(10, 14, 39, 0.8);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .download-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            pointer-events: none;
        }
        .download-inner {
            position: relative;
            z-index: 1;
        }
        .download-inner .section-title {
            font-size: 2.6rem;
            margin-bottom: 10px;
        }
        .download-inner .section-desc {
            margin-left: auto;
            margin-right: auto;
            margin-bottom: 32px;
        }
        .download-mock {
            max-width: 280px;
            margin: 0 auto 28px;
            border-radius: 22px;
            overflow: hidden;
            box-shadow: 0 12px 48px rgba(0, 0, 0, 0.6), 0 0 40px rgba(0, 242, 254, 0.15);
        }
        .download-mock img {
            width: 100%;
            display: block;
        }
        .download-platforms {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 14px;
            letter-spacing: 0.03em;
        }

        /* ========== FOOTER ========== */
        .footer-section {
            background: rgba(8, 12, 34, 0.95);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 56px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
            gap: 32px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 10px;
        }
        .footer-brand .footer-logo .logo-highlight {
            color: var(--cyan);
            font-weight: 900;
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--cyan);
        }
        .footer-qr {
            width: 100px;
            height: 100px;
            border-radius: 10px;
            overflow: hidden;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-subtle);
        }
        .footer-qr img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .footer-form .form-group {
            margin-bottom: 10px;
        }
        .footer-form input,
        .footer-form textarea {
            width: 100%;
            padding: 10px 14px;
            border-radius: var(--radius-input);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            color: var(--text-white);
            font-size: 0.9rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            resize: vertical;
        }
        .footer-form input:focus,
        .footer-form textarea:focus {
            border-color: var(--cyan);
            box-shadow: 0 0 12px rgba(0, 242, 254, 0.2);
            outline: none;
        }
        .footer-form textarea {
            min-height: 70px;
        }
        .footer-form .btn-submit {
            width: 100%;
            padding: 11px;
            border-radius: var(--radius-btn);
            background: linear-gradient(135deg, #00F2FE 0%, #FF6B35 100%);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 0 14px var(--cyan-glow);
            cursor: pointer;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
            border: none;
        }
        .footer-form .btn-submit:hover {
            transform: scale(1.03);
            box-shadow: 0 0 24px rgba(0, 242, 254, 0.5);
        }
        .footer-bottom {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
            letter-spacing: 0.03em;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-content h1 {
                font-size: 2.8rem;
            }
            .section-title {
                font-size: 2rem;
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .stat-number {
                font-size: 3rem;
            }
            .stats-row {
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-menu {
                display: flex;
            }
            .hero-content h1 {
                font-size: 2.3rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 14px;
            }
            .stats-row {
                flex-direction: column;
                align-items: center;
                gap: 24px;
            }
            .stat-number {
                font-size: 2.6rem;
            }
            .steps-row {
                flex-direction: column;
                align-items: center;
                gap: 16px;
            }
            .step-card {
                max-width: 100%;
                flex: 1 1 auto;
            }
            .testimonial-card {
                flex: 0 0 260px;
                min-width: 240px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .download-inner .section-title {
                font-size: 2rem;
            }
            .btn-primary,
            .btn-secondary {
                padding: 13px 26px;
                font-size: 0.95rem;
            }
            .hero-cta-group {
                flex-direction: column;
                gap: 12px;
            }
            .hero-cta-group .btn-primary,
            .hero-cta-group .btn-secondary {
                width: 100%;
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-content h1 {
                font-size: 1.9rem;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .feature-card {
                padding: 20px 16px;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer-inner {
                padding: 0 16px 14px;
                font-size: 0.82rem;
            }
            .download-mock {
                max-width: 200px;
            }
            .testimonial-card {
                flex: 0 0 220px;
                min-width: 200px;
                padding: 18px 16px;
            }
        }