/* roulang page: index */
:root {
            --primary: #4F46E5;
            --primary-hover: #4338CA;
            --secondary: #06B6D4;
            --accent: #F59E0B;
            --bg-light: #F4F6F9;
            --bg-white: #FFFFFF;
            --bg-dark: #0D1117;
            --bg-dark-card: #161B22;
            --text-main: #0F172A;
            --text-muted: #475569;
            --text-light: #94A3B8;
            --border-light: rgba(226, 232, 240, 0.9);
            --border-dark: rgba(255, 255, 255, 0.1);
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-full: 9999px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -2px rgba(0,0,0,0.05);
            --shadow-hover: 0 12px 28px -5px rgba(79, 70, 229, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

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

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

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

        button, input, select, textarea {
            font-family: inherit;
        }

        /* Container */
        .container {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* Buttons & Badges */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid transparent;
            min-height: 46px;
        }
        .btn-primary {
            background-color: var(--primary);
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
        }
        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
        }
        .btn-secondary {
            background-color: var(--bg-white);
            color: var(--primary);
            border: 1px solid var(--border-light);
        }
        .btn-secondary:hover {
            background-color: #F8FAFC;
            border-color: var(--primary);
            color: var(--primary-hover);
            transform: translateY(-2px);
        }
        .btn-cyan {
            background-color: var(--secondary);
            color: #ffffff;
        }
        .btn-cyan:hover {
            background-color: #0891B2;
            transform: translateY(-2px);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.35rem 0.85rem;
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: var(--radius-full);
            background-color: rgba(79, 70, 229, 0.1);
            color: var(--primary);
            margin-bottom: 1rem;
        }
        .badge-cyan {
            background-color: rgba(6, 182, 212, 0.15);
            color: #0891B2;
        }

        /* Section Layouts */
        .section {
            padding: 5.5rem 0;
            position: relative;
        }
        .section-white {
            background-color: var(--bg-white);
        }
        .section-light {
            background-color: var(--bg-light);
        }
        .section-dark {
            background-color: var(--bg-dark);
            color: #ffffff;
        }
        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 3.5rem;
        }
        .section-header h2 {
            font-size: clamp(1.75rem, 3.5vw, 2.35rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        .section-header p {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .section-dark .section-header p {
            color: var(--text-light);
        }

        /* Dual-Row Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
        }
        .header-top {
            background-color: #0B0F19;
            color: #94A3B8;
            font-size: 0.8rem;
            padding: 0.4rem 0;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .header-top .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .status-pill {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .status-dot {
            width: 7px;
            height: 7px;
            background-color: #10B981;
            border-radius: 50%;
            box-shadow: 0 0 8px #10B981;
        }
        .header-main {
            padding: 0.85rem 0;
        }
        .header-main .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text-main);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            font-size: 1.1rem;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 1.75rem;
            list-style: none;
        }
        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-main);
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--text-main);
            cursor: pointer;
            padding: 0.5rem;
        }

        /* Section 1: Hero Carousel & Launch Ring */
        .hero-section {
            background: linear-gradient(135deg, #0B0F19 0%, #171E2E 100%);
            color: #ffffff;
            padding: 5.5rem 0 6rem;
            position: relative;
            overflow: hidden;
        }
        .hero-section::after {
            content: "";
            position: absolute;
            top: -20%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(79, 70, 229, 0.25) 0%, rgba(0,0,0,0) 70%);
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 3.5rem;
            align-items: center;
        }
        .hero-content h1 {
            font-size: clamp(2.2rem, 4.5vw, 3.4rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.03em;
            margin-bottom: 1.5rem;
        }
        .hero-content h1 span {
            background: linear-gradient(90deg, #818CF8, #22D3EE);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-intro {
            font-size: 1.1rem;
            color: #CBD5E1;
            margin-bottom: 2rem;
            line-height: 1.75;
        }
        .hero-ctas {
            display: flex;
            gap: 1.25rem;
            flex-wrap: wrap;
            margin-bottom: 2.5rem;
        }
        .hero-specs {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 1.75rem;
        }
        .spec-item .num {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--secondary);
            font-feature-settings: "tnum";
        }
        .spec-item .label {
            font-size: 0.85rem;
            color: #94A3B8;
        }

        /* Countdown / Ring Stage */
        .launch-card {
            background: rgba(22, 27, 34, 0.85);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 2rem;
            backdrop-filter: blur(16px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
            position: relative;
        }
        .launch-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .countdown-wrap {
            display: flex;
            gap: 0.75rem;
            justify-content: center;
            margin: 1.5rem 0;
        }
        .cd-box {
            background: #0D1117;
            border: 1px solid rgba(79, 70, 229, 0.3);
            border-radius: 8px;
            padding: 0.75rem 0.5rem;
            min-width: 68px;
            text-align: center;
        }
        .cd-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1;
        }
        .cd-label {
            font-size: 0.7rem;
            color: #94A3B8;
            margin-top: 0.25rem;
        }
        .ring-progress-area {
            display: flex;
            align-items: center;
            gap: 1rem;
            background: rgba(15, 23, 42, 0.6);
            padding: 1rem;
            border-radius: var(--radius-md);
            margin-top: 1.5rem;
        }
        .ring-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            border: 4px solid var(--secondary);
            border-top-color: transparent;
            animation: spin 3s linear infinite;
        }
        @keyframes spin {
            100% { transform: rotate(360deg); }
        }

        /* Section 2: Product Categories Matrix */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .category-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .category-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }
        .cat-icon-box {
            width: 60px;
            height: 60px;
            margin: 0 auto 1.25rem;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(6, 182, 212, 0.15));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.6rem;
        }
        .category-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }
        .category-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Section 3: Core Strengths 6-Grid */
        .strengths-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.75rem;
        }
        .strength-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
        }
        .strength-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .strength-header {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.2rem;
        }
        .st-icon {
            width: 46px;
            height: 46px;
            border-radius: 10px;
            background: #EEF2FF;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
        }
        .strength-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
        }
        .strength-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 1rem;
        }
        .param-tag {
            font-size: 0.8rem;
            padding: 0.25rem 0.6rem;
            background: #F1F5F9;
            color: #475569;
            border-radius: 6px;
            font-weight: 600;
        }

        /* Section 4: Hot Products */
        .products-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .product-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }
        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }
        .product-img-wrap {
            height: 180px;
            position: relative;
            overflow: hidden;
        }
        .product-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .product-card:hover .product-img-wrap img {
            transform: scale(1.05);
        }
        .product-body {
            padding: 1.75rem;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .product-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }
        .product-body p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 1.25rem;
            flex-grow: 1;
        }
        .spec-list {
            list-style: none;
            margin-bottom: 1.5rem;
            border-top: 1px dashed var(--border-light);
            padding-top: 1rem;
        }
        .spec-list li {
            font-size: 0.88rem;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.5rem;
        }
        .spec-list li i {
            color: #10B981;
            font-size: 0.8rem;
        }

        /* Section 5: Benchmark & Performance Comparison */
        .benchmark-box {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            box-shadow: var(--shadow-sm);
        }
        .benchmark-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .bar-group {
            margin-bottom: 1.75rem;
        }
        .bar-label-wrap {
            display: flex;
            justify-content: space-between;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        .progress-track {
            height: 10px;
            background: #E2E8F0;
            border-radius: var(--radius-full);
            overflow: hidden;
            position: relative;
        }
        .progress-fill-cloud {
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: var(--radius-full);
        }
        .progress-fill-legacy {
            height: 100%;
            background: #94A3B8;
            border-radius: var(--radius-full);
        }
        .benchmark-stat-card {
            background: #F8FAFC;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            text-align: center;
        }
        .b-stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 0.5rem;
        }

        /* Section 6: Dark Deep-Tech Architecture */
        .arch-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 3.5rem;
            align-items: center;
        }
        .arch-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .arch-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            background: var(--bg-dark-card);
            padding: 1.25rem 1.5rem;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-dark);
        }
        .arch-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: rgba(6, 182, 212, 0.15);
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.2rem;
        }
        .arch-item h4 {
            font-size: 1.1rem;
            margin-bottom: 0.35rem;
            color: #F8FAFC;
        }
        .arch-item p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }
        .arch-visual-box {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-dark);
        }
        .arch-visual-box img {
            width: 100%;
            height: auto;
        }

        /* Section 7: Case Studies */
        .case-cards-flow {
            display: flex;
            flex-direction: column;
            gap: 2.5rem;
        }
        .case-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            box-shadow: var(--shadow-sm);
        }
        .case-card.reverse {
            grid-template-columns: 1.2fr 1fr;
        }
        .case-card.reverse .case-img {
            order: 2;
        }
        .case-img {
            height: 100%;
            min-height: 280px;
        }
        .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .case-content {
            padding: 2.5rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .case-tag {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 0.5rem;
        }
        .case-content h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .case-content p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }
        .case-metrics {
            display: flex;
            gap: 2rem;
            padding-top: 1rem;
            border-top: 1px solid var(--border-light);
        }
        .c-metric .num {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary);
        }
        .c-metric .desc {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Section 8: Global Data Counter Bar */
        .counter-section {
            background: linear-gradient(90deg, #1E1B4B, #312E81);
            color: #ffffff;
            padding: 4rem 0;
        }
        .counter-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            text-align: center;
        }
        .counter-item .c-number {
            font-size: clamp(2rem, 3.5vw, 2.8rem);
            font-weight: 800;
            color: #22D3EE;
            line-height: 1;
            margin-bottom: 0.5rem;
        }
        .counter-item .c-label {
            font-size: 0.95rem;
            color: #C7D2FE;
        }

        /* Section 9: Client Reviews */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.75rem;
        }
        .review-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .review-stars {
            color: var(--accent);
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }
        .review-text {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }
        .review-author {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            border-top: 1px solid var(--border-light);
            padding-top: 1rem;
        }
        .author-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: #E2E8F0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 700;
        }
        .author-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
        }
        .author-info span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Section 10: Tech Insights Hub */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .news-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .news-img {
            height: 180px;
        }
        .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-body {
            padding: 1.75rem;
        }
        .news-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.75rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .news-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            line-height: 1.4;
        }
        .news-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Section 11: Reliability & Compliance */
        .compliance-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .comp-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 1.75rem 1.25rem;
            text-align: center;
        }
        .comp-badge-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(79, 70, 229, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin: 0 auto 1rem;
        }
        .comp-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .comp-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* Section 12: Technical FAQ Accordion */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item summary {
            padding: 1.25rem 1.5rem;
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary i {
            color: var(--primary);
            transition: transform 0.3s ease;
        }
        .faq-item[open] summary i {
            transform: rotate(180deg);
        }
        .faq-content {
            padding: 0 1.5rem 1.5rem;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            border-top: 1px solid #F1F5F9;
            padding-top: 1rem;
        }

        /* Section 13: Conversion & Architecture Form */
        .contact-box {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
        }
        .contact-left {
            background: linear-gradient(135deg, #1E1B4B 0%, #0F172A 100%);
            color: #ffffff;
            padding: 3rem;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .contact-left h3 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }
        .contact-left p {
            color: #CBD5E1;
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 2rem;
        }
        .contact-info-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }
        .c-info-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.95rem;
            color: #E2E8F0;
        }
        .c-info-item i {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(255,255,255,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--secondary);
        }
        .contact-right {
            padding: 3rem;
        }
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.25rem;
            margin-bottom: 1.25rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }
        .form-group.full {
            grid-column: span 2;
        }
        .form-group label {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-main);
        }
        .form-control {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1px solid var(--border-light);
            border-radius: 8px;
            font-size: 0.92rem;
            background: #F8FAFC;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background: #ffffff;
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
        }
        .form-check {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 1.5rem;
        }
        .form-check input {
            accent-color: var(--primary);
        }

        /* Footer */
        .site-footer {
            background-color: #0B0F19;
            color: #94A3B8;
            padding: 4.5rem 0 2rem;
            border-top: 1px solid rgba(255,255,255,0.08);
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 3rem;
            margin-bottom: 3.5rem;
        }
        .footer-brand h4 {
            color: #ffffff;
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .footer-brand p {
            line-height: 1.7;
            font-size: 0.88rem;
        }
        .footer-col h5 {
            color: #ffffff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .footer-links a:hover {
            color: #ffffff;
            padding-left: 4px;
        }
        .footer-bottom {
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.06);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.82rem;
        }

        /* Responsive Breakpoints */
        @media (max-width: 1024px) {
            .hero-grid, .arch-grid, .contact-box {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }
            .category-grid, .compliance-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .strengths-grid, .products-grid, .news-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .case-card, .case-card.reverse {
                grid-template-columns: 1fr;
            }
            .case-card.reverse .case-img {
                order: 0;
            }
            .case-img {
                height: 220px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .header-top {
                display: none;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #ffffff;
                flex-direction: column;
                padding: 1.5rem;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
                gap: 1rem;
            }
            .main-nav.active {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .section {
                padding: 3.5rem 0;
            }
            .benchmark-grid {
                grid-template-columns: 1fr;
            }
            .counter-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .form-group.full {
                grid-column: span 1;
            }
            .contact-left, .contact-right {
                padding: 2rem 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .strengths-grid, .products-grid, .news-grid, .reviews-grid, .category-grid, .compliance-grid {
                grid-template-columns: 1fr;
            }
            .hero-specs {
                grid-template-columns: 1fr;
            }
            .hero-ctas {
                flex-direction: column;
            }
            .hero-ctas .btn {
                width: 100%;
            }
            .counter-grid {
                grid-template-columns: 1fr;
            }
            .case-metrics {
                flex-direction: column;
                gap: 0.75rem;
            }
        }