/* roulang page: index */
:root {
            --primary: #00D084;
            --primary-hover: #059669;
            --primary-light: rgba(0, 208, 132, 0.12);
            --accent: #F59E0B;
            --accent-hover: #D97706;
            --dark: #0F172A;
            --dark-card: #1E293B;
            --slate-800: #1E293B;
            --slate-700: #334155;
            --slate-600: #475569;
            --slate-400: #94A3B8;
            --text-main: #0F172A;
            --text-muted: #64748B;
            --bg-body: #F8FAFC;
            --bg-card: #FFFFFF;
            --border-light: rgba(226, 232, 240, 0.85);
            --border-dark: rgba(255, 255, 255, 0.1);
            --radius-md: 12px;
            --radius-lg: 18px;
            --shadow-sm: 0 4px 20px -2px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 12px 30px -4px rgba(0, 0, 0, 0.08);
            --container-max: 1240px;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-body);
            color: var(--text-main);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        /* Top Bar */
        .top-bar {
            background-color: var(--dark);
            color: var(--slate-400);
            font-size: 13px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 8px 0;
        }
        .top-bar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .top-bar-links a {
            margin-left: 18px;
            color: var(--slate-400);
        }
        .top-bar-links a:hover {
            color: var(--primary);
        }

        /* Main Header Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 10px rgba(0,0,0,0.02);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .brand-logo {
            font-size: 20px;
            font-weight: 800;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.5px;
        }
        .brand-logo .dot {
            width: 12px;
            height: 12px;
            background-color: var(--primary);
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 10px var(--primary);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }
        .nav-menu a {
            font-size: 15px;
            font-weight: 500;
            color: var(--slate-700);
        }
        .nav-menu a:hover, .nav-menu a.active {
            color: var(--primary-hover);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--dark);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 15px;
            padding: 11px 24px;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid transparent;
            text-align: center;
            white-space: nowrap;
        }
        .btn-primary {
            background-color: var(--primary);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(0, 208, 132, 0.35);
        }
        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
        }
        .btn-accent {
            background-color: var(--accent);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
        }
        .btn-accent:hover {
            background-color: var(--accent-hover);
            transform: translateY(-2px);
        }
        .btn-outline {
            background-color: transparent;
            border-color: var(--slate-700);
            color: #FFFFFF;
        }
        .btn-outline:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
        }
        .btn-outline-dark {
            border-color: var(--slate-400);
            color: var(--slate-700);
        }
        .btn-outline-dark:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: var(--primary-light);
        }

        /* Section Layout Common */
        .section-py {
            padding-top: 96px;
            padding-bottom: 96px;
        }
        .section-header {
            margin-bottom: 56px;
            max-width: 780px;
        }
        .section-header.text-center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .badge-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            background-color: var(--primary-light);
            color: var(--primary-hover);
            border-radius: 9999px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .section-title {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--dark);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Section 1: Hero Banner (Full width KV + countdown ticker) */
        .hero-section {
            position: relative;
            background: linear-gradient(rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.95)), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            color: #FFFFFF;
            padding: 110px 0 90px;
            overflow: hidden;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.18;
            margin-bottom: 24px;
            letter-spacing: -1px;
        }
        .hero-desc {
            font-size: 17px;
            line-height: 1.75;
            color: var(--slate-400);
            margin-bottom: 36px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }
        .hero-spec-pills {
            display: flex;
            gap: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 24px;
        }
        .spec-item {
            display: flex;
            flex-direction: column;
        }
        .spec-value {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
        }
        .spec-label {
            font-size: 12px;
            color: var(--slate-400);
        }
        .hero-countdown-box {
            background: rgba(30, 41, 59, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(16px);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.4);
        }
        .countdown-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 12px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .countdown-status {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 24px;
            color: #FFFFFF;
        }
        .countdown-timer {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            margin-bottom: 28px;
            text-align: center;
        }
        .timer-unit {
            background: rgba(15, 23, 42, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 12px 6px;
            border-radius: 8px;
        }
        .timer-unit .num {
            display: block;
            font-size: 26px;
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1.1;
        }
        .timer-unit .label {
            font-size: 11px;
            color: var(--slate-400);
        }
        .hero-countdown-box .btn {
            width: 100%;
        }

        /* Section 2: Fullstack & Technical Credential */
        .bg-white {
            background-color: #FFFFFF;
        }
        .capability-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }
        .capability-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }
        .credential-list {
            list-style: none;
            margin-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .credential-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            color: var(--slate-700);
        }
        .check-badge {
            width: 22px;
            height: 22px;
            background-color: var(--primary-light);
            color: var(--primary-hover);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 12px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* Section 3: Core 6-Grid */
        .grid-3x2 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }
        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background-color: var(--primary-light);
            color: var(--primary-hover);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--dark);
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* Section 4: Products Matrix (3 Columns) */
        .product-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: var(--transition);
        }
        .product-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .product-badge {
            align-self: flex-start;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 6px;
            background: #F1F5F9;
            color: var(--slate-700);
            margin-bottom: 18px;
        }
        .product-title {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--dark);
        }
        .product-desc {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 24px;
            line-height: 1.6;
        }
        .product-features {
            list-style: none;
            margin-bottom: 32px;
            border-top: 1px dashed var(--border-light);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .product-features li {
            font-size: 13px;
            color: var(--slate-700);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* Section 5: Dark Contrast Architecture */
        .section-dark {
            background-color: var(--dark);
            color: #FFFFFF;
        }
        .section-dark .section-title {
            color: #FFFFFF;
        }
        .section-dark .section-desc {
            color: var(--slate-400);
        }
        .arch-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .arch-info-block {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .arch-item {
            background: var(--dark-card);
            border: 1px solid var(--border-dark);
            padding: 24px;
            border-radius: var(--radius-md);
        }
        .arch-item h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .arch-item p {
            font-size: 14px;
            color: var(--slate-400);
            line-height: 1.6;
        }

        /* Section 6: Client Stories / Scenarios */
        .scenario-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .scenario-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }
        .scenario-img-box {
            height: 220px;
            overflow: hidden;
        }
        .scenario-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .scenario-card:hover .scenario-img-box img {
            transform: scale(1.04);
        }
        .scenario-body {
            padding: 32px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .scenario-tag {
            font-size: 12px;
            font-weight: 700;
            color: var(--primary-hover);
            margin-bottom: 8px;
        }
        .scenario-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--dark);
        }
        .scenario-text {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
            line-height: 1.65;
        }
        .scenario-metrics {
            margin-top: auto;
            background: #F8FAFC;
            border-radius: 8px;
            padding: 14px;
            display: flex;
            justify-content: space-around;
            border: 1px solid var(--border-light);
        }
        .metric-unit {
            text-align: center;
        }
        .metric-val {
            font-size: 18px;
            font-weight: 800;
            color: var(--dark);
        }
        .metric-desc {
            font-size: 11px;
            color: var(--text-muted);
        }

        /* Section 7: Statistics Bar */
        .stats-bar {
            background: #0B1329;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 56px 0;
            color: #FFFFFF;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stats-num {
            font-size: 44px;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 10px;
            font-feature-settings: "tnum";
        }
        .stats-text {
            font-size: 14px;
            color: var(--slate-400);
            font-weight: 500;
        }

        /* Section 8: Testimonials */
        .review-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
        }
        .review-rating {
            color: var(--accent);
            font-size: 14px;
            margin-bottom: 16px;
        }
        .review-quote {
            font-size: 14px;
            color: var(--slate-700);
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .reviewer-info {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border-light);
            padding-top: 16px;
        }
        .reviewer-avatar {
            width: 42px;
            height: 42px;
            background: #E2E8F0;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--slate-700);
        }
        .reviewer-meta h5 {
            font-size: 14px;
            font-weight: 700;
            color: var(--dark);
        }
        .reviewer-meta p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Section 9: Articles / News Grid */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .news-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .news-card-body {
            padding: 24px;
        }
        .news-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .news-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.4;
            color: var(--dark);
        }
        .news-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 18px;
        }
        .news-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-hover);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* Section 10: Comparison Table */
        .table-wrap {
            overflow-x: auto;
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }
        .compare-table th, .compare-table td {
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
        }
        .compare-table th {
            background-color: #F8FAFC;
            font-weight: 700;
            color: var(--dark);
        }
        .compare-table th.highlight, .compare-table td.highlight {
            background-color: rgba(0, 208, 132, 0.04);
            color: var(--dark);
            font-weight: 600;
        }

        /* Section 11: FAQ Accordion */
        .faq-accordion {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .faq-header {
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: var(--transition);
        }
        .faq-header:hover {
            color: var(--primary-hover);
        }
        .faq-toggle-icon {
            font-size: 20px;
            font-weight: 400;
            color: var(--text-muted);
            transition: transform 0.3s ease;
        }
        .faq-body {
            padding: 0 28px 24px;
            font-size: 14px;
            color: var(--slate-600);
            line-height: 1.7;
            display: none;
            border-top: 1px solid #F1F5F9;
            padding-top: 16px;
        }
        .faq-item.active .faq-body {
            display: block;
        }
        .faq-item.active .faq-toggle-icon {
            transform: rotate(45deg);
        }

        /* Section 12: Platform Guarantee Bar */
        .guarantee-section {
            background-color: #0F172A;
            color: #FFFFFF;
            padding: 56px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .guarantee-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }
        .guarantee-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(0, 208, 132, 0.15);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .guarantee-text h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            color: #FFFFFF;
        }
        .guarantee-text p {
            font-size: 13px;
            color: var(--slate-400);
            line-height: 1.6;
        }

        /* Section 13: Conversion & Form */
        .cta-box {
            background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            color: #FFFFFF;
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }
        .cta-form {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.12);
            padding: 32px;
            border-radius: var(--radius-md);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--slate-400);
            margin-bottom: 6px;
        }
        .form-control {
            width: 100%;
            background: rgba(15, 23, 42, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 12px 14px;
            border-radius: 6px;
            color: #FFFFFF;
            font-size: 14px;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 208, 132, 0.2);
        }

        /* Sticky Bottom Float Conversion Bar */
        .floating-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            z-index: 999;
            background: rgba(15, 23, 42, 0.95);
            backdrop-filter: blur(12px);
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 12px 0;
            box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
        }
        .floating-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .floating-info {
            display: flex;
            align-items: center;
            gap: 14px;
            color: #FFFFFF;
            font-size: 14px;
            font-weight: 600;
        }
        .pulse-light {
            width: 10px;
            height: 10px;
            background-color: var(--primary);
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 8px var(--primary);
            animation: pulse 1.8s infinite;
        }
        @keyframes pulse {
            0% { transform: scale(0.95); opacity: 0.8; }
            50% { transform: scale(1.2); opacity: 1; }
            100% { transform: scale(0.95); opacity: 0.8; }
        }

        /* Footer */
        .site-footer {
            background-color: #0B1329;
            color: var(--slate-400);
            padding: 72px 0 100px; /* space for float bar */
            font-size: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        .footer-brand h3 {
            font-size: 18px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand p {
            line-height: 1.7;
            font-size: 13px;
            color: var(--slate-400);
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 20px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 28px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            flex-wrap: wrap;
            gap: 12px;
        }

        /* Responsive Breakpoints */
        @media (max-width: 1024px) {
            .hero-grid, .capability-grid, .arch-layout, .cta-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .grid-3x2, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid, .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .top-bar {
                display: none;
            }
            .menu-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background: #FFFFFF;
                flex-direction: column;
                padding: 24px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.1);
                border-bottom: 1px solid var(--border-light);
                gap: 20px;
            }
            .nav-menu.show {
                display: flex;
            }
            .hero-content h1 {
                font-size: 32px;
            }
            .section-py {
                padding-top: 64px;
                padding-bottom: 64px;
            }
            .section-title {
                font-size: 26px;
            }
            .grid-3x2, .scenario-grid, .news-grid, .guarantee-grid, .stats-grid {
                grid-template-columns: 1fr;
            }
            .hero-spec-pills {
                flex-direction: column;
                gap: 12px;
            }
            .floating-cta-bar {
                padding: 10px 16px;
            }
            .floating-info {
                display: none;
            }
            .floating-bar-inner {
                justify-content: center;
            }
            .floating-bar-inner .btn {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }