/* roulang page: index */
:root {
            --primary: #0F53FF;
            --primary-hover: #0b41c9;
            --accent: #10B981;
            --accent-hover: #059669;
            --dark-surface: #0B0F19;
            --dark-card: #151C2C;
            --bg-page: #F8FAFC;
            --bg-card: #FFFFFF;
            --border-color: #E2E8F0;
            --border-dark: #2A364F;
            --text-heading: #0F172A;
            --text-body: #475569;
            --text-muted: #94A3B8;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-full: 9999px;
            --shadow-subtle: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
            --shadow-hover: 0 12px 28px -4px rgba(15, 83, 255, 0.12);
            --shadow-dark: 0 12px 30px rgba(0, 0, 0, 0.35);
            --transition-smooth: 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: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-page);
            color: var(--text-body);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* Top Bar */
        .top-bar {
            background-color: var(--dark-surface);
            color: #CBD5E1;
            font-size: 13px;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .top-bar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .top-bar-info {
            display: flex;
            gap: 20px;
        }
        .top-bar-links {
            display: flex;
            gap: 16px;
        }
        .top-bar-links a:hover {
            color: #FFFFFF;
        }

        /* Header Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition-smooth);
        }
        .nav-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-heading);
            letter-spacing: -0.5px;
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary) 0%, #3B82F6 100%);
            color: #FFFFFF;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 4px 10px rgba(15, 83, 255, 0.3);
        }
        .nav-menu {
            display: flex;
            list-style: none;
            gap: 28px;
            align-items: center;
        }
        .nav-menu a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-heading);
        }
        .nav-menu a:hover, .nav-menu a.active {
            color: var(--primary);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            cursor: pointer;
            border: 1px solid transparent;
            transition: var(--transition-smooth);
            text-align: center;
            white-space: nowrap;
        }
        .btn:active {
            transform: scale(0.98);
        }
        .btn-primary {
            background-color: var(--primary);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(15, 83, 255, 0.25);
        }
        .btn-primary:hover {
            background-color: var(--primary-hover);
            color: #FFFFFF;
            box-shadow: 0 6px 18px rgba(15, 83, 255, 0.35);
        }
        .btn-outline {
            background-color: transparent;
            color: var(--text-heading);
            border-color: var(--border-color);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: rgba(15, 83, 255, 0.04);
        }
        .btn-accent {
            background-color: var(--accent);
            color: #FFFFFF;
        }
        .btn-accent:hover {
            background-color: var(--accent-hover);
        }
        .btn-white {
            background-color: #FFFFFF;
            color: var(--text-heading);
            border: 1px solid #E2E8F0;
        }
        .btn-white:hover {
            background-color: #F8FAFC;
        }

        /* Mobile Menu Toggle */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }
        .mobile-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--text-heading);
            margin: 5px 0;
            transition: var(--transition-smooth);
        }

        /* Common Section Layout */
        .section {
            padding: 80px 0;
            position: relative;
        }
        .section-header {
            text-align: center;
            max-width: 760px;
            margin: 0 auto 50px auto;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background-color: rgba(15, 83, 255, 0.08);
            padding: 4px 14px;
            border-radius: var(--radius-full);
            margin-bottom: 12px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.7;
        }

        /* 1. Hero Section */
        .hero-section {
            padding: 80px 0 90px;
            background: linear-gradient(180deg, #EDF2FE 0%, #F8FAFC 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 48px;
            align-items: center;
        }
        .hero-badge-wrap {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #FFFFFF;
            border: 1px solid rgba(15, 83, 255, 0.15);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            margin-bottom: 20px;
            box-shadow: var(--shadow-subtle);
        }
        .hero-badge-pulse {
            width: 8px;
            height: 8px;
            background-color: var(--accent);
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
        }
        .hero-badge-text {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-heading);
        }
        .hero-title {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-heading);
            margin-bottom: 20px;
            letter-spacing: -1px;
        }
        .hero-title .highlight {
            color: var(--primary);
            position: relative;
            display: inline-block;
        }
        .hero-description {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.75;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }
        .hero-endorsements {
            display: flex;
            align-items: center;
            gap: 24px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
        }
        .endorsement-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-body);
            font-weight: 500;
        }
        .endorsement-item svg {
            color: var(--accent);
        }
        .hero-visual {
            position: relative;
        }
        .hero-card-mockup {
            background-color: var(--bg-card);
            border-radius: 20px;
            padding: 24px;
            box-shadow: 0 20px 40px -10px rgba(15, 23, 42, 0.12);
            border: 1px solid rgba(226, 232, 240, 0.8);
            position: relative;
        }
        .mockup-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 14px;
            margin-bottom: 16px;
        }
        .mockup-title {
            font-weight: 700;
            font-size: 15px;
            color: var(--text-heading);
        }
        .mockup-live-status {
            font-size: 12px;
            color: var(--accent);
            background: rgba(16, 185, 129, 0.1);
            padding: 2px 8px;
            border-radius: var(--radius-full);
            font-weight: 600;
        }
        .slot-selector-demo {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 8px;
            margin-bottom: 16px;
        }
        .slot-item {
            background: #F8FAFC;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 8px 4px;
            text-align: center;
            font-size: 12px;
            cursor: pointer;
            transition: var(--transition-smooth);
        }
        .slot-item.booked {
            background: #F1F5F9;
            color: var(--text-muted);
            border-color: #E2E8F0;
            text-decoration: line-through;
        }
        .slot-item.selected {
            background: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
            font-weight: 600;
        }
        .mockup-img-wrap {
            border-radius: 12px;
            overflow: hidden;
            margin-bottom: 16px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }
        .mockup-img-wrap img {
            width: 100%;
            height: 190px;
            object-fit: cover;
        }
        .mockup-footer-calc {
            background: #F8FAFC;
            border-radius: 10px;
            padding: 12px 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .calc-info span {
            display: block;
            font-size: 12px;
            color: var(--text-muted);
        }
        .calc-info strong {
            font-size: 18px;
            color: var(--primary);
        }

        /* 2. Pain Points */
        .pain-section {
            background-color: #FFFFFF;
        }
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .pain-card {
            background: #F8FAFC;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .pain-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(239, 68, 68, 0.3);
        }
        .pain-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: #DC2626;
            background: #FEE2E2;
            padding: 2px 8px;
            border-radius: 4px;
            margin-bottom: 14px;
        }
        .pain-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 10px;
        }
        .pain-text {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.6;
        }

        /* 3. Solution Overview */
        .solution-section {
            background-color: #F8FAFC;
        }
        .solution-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .solution-image-box {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
        }
        .solution-image-box img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }
        .solution-badge-floating {
            position: absolute;
            bottom: 20px;
            right: 20px;
            background: rgba(11, 15, 25, 0.9);
            backdrop-filter: blur(8px);
            color: #FFFFFF;
            padding: 12px 18px;
            border-radius: var(--radius-md);
            font-size: 13px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .solution-badge-floating span {
            color: var(--accent);
            font-weight: 700;
        }
        .solution-content h3 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 16px;
        }
        .solution-content p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .spec-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 28px;
        }
        .spec-box {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 16px;
        }
        .spec-box-title {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 4px;
        }
        .spec-box-val {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
        }

        /* 4. Core Advantages (6 Cards) */
        .advantages-section {
            background-color: #FFFFFF;
        }
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .advantage-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            box-shadow: var(--shadow-subtle);
            transition: var(--transition-smooth);
        }
        .advantage-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(15, 83, 255, 0.3);
        }
        .adv-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(15, 83, 255, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 20px;
        }
        .adv-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 12px;
        }
        .adv-desc {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.65;
        }

        /* 5. Scenarios (3 Cards) */
        .scenarios-section {
            background-color: #F8FAFC;
        }
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .scenario-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .scenario-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .scenario-img-wrap {
            height: 200px;
            overflow: hidden;
        }
        .scenario-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition-smooth);
        }
        .scenario-card:hover .scenario-img-wrap img {
            transform: scale(1.05);
        }
        .scenario-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .scenario-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .scenario-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 10px;
        }
        .scenario-desc {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
        }
        .scenario-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* 6. How It Works (4 Steps) */
        .steps-section {
            background-color: #FFFFFF;
        }
        .steps-wrapper {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .step-item {
            background: #F8FAFC;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            position: relative;
            transition: var(--transition-smooth);
        }
        .step-item:hover {
            background: #FFFFFF;
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }
        .step-num {
            font-size: 32px;
            font-weight: 800;
            color: rgba(15, 83, 255, 0.2);
            line-height: 1;
            margin-bottom: 12px;
        }
        .step-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
        }
        .step-desc {
            font-size: 13px;
            color: var(--text-body);
            line-height: 1.6;
        }

        /* 7. Dark Showcase */
        .dark-showcase {
            background-color: var(--dark-surface);
            color: #FFFFFF;
            padding: 90px 0;
            position: relative;
            overflow: hidden;
        }
        .dark-grid {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 48px;
            align-items: center;
        }
        .dark-content h2 {
            font-size: 32px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 20px;
        }
        .dark-content p {
            font-size: 15px;
            color: #94A3B8;
            line-height: 1.75;
            margin-bottom: 28px;
        }
        .dark-feature-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 32px;
        }
        .dark-feature-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            background: var(--dark-card);
            border: 1px solid var(--border-dark);
            padding: 14px 18px;
            border-radius: var(--radius-md);
        }
        .dark-feature-item-title {
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 4px;
        }
        .dark-feature-item-desc {
            font-size: 13px;
            color: #94A3B8;
        }
        .dark-image-box {
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-dark);
            box-shadow: var(--shadow-dark);
        }
        .dark-image-box img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        /* 8. Metrics */
        .metrics-section {
            background: linear-gradient(135deg, #0F53FF 0%, #1D4ED8 100%);
            color: #FFFFFF;
            padding: 50px 0;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .metric-card {
            padding: 10px;
        }
        .metric-val {
            font-size: 40px;
            font-weight: 800;
            margin-bottom: 6px;
            letter-spacing: -1px;
        }
        .metric-label {
            font-size: 14px;
            opacity: 0.9;
        }

        /* 9. Reviews & Stories */
        .reviews-section {
            background-color: #F8FAFC;
        }
        .reviews-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 36px;
        }
        .lead-story-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-subtle);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .lead-story-quote {
            font-size: 16px;
            color: var(--text-heading);
            line-height: 1.75;
            font-style: italic;
            margin-bottom: 24px;
        }
        .lead-author {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .lead-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: #E2E8F0;
            overflow: hidden;
        }
        .lead-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .lead-name {
            font-weight: 700;
            color: var(--text-heading);
            font-size: 15px;
        }
        .lead-role {
            font-size: 13px;
            color: var(--text-muted);
        }
        .user-reviews-stack {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .user-review-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            box-shadow: var(--shadow-subtle);
        }
        .review-stars {
            color: #F59E0B;
            font-size: 14px;
            margin-bottom: 6px;
        }
        .review-text {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.6;
            margin-bottom: 10px;
        }
        .review-meta {
            display: flex;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 10. News & Insights */
        .news-section {
            background-color: #FFFFFF;
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .news-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .news-img {
            height: 180px;
            overflow: hidden;
        }
        .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-body {
            padding: 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .news-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .news-desc {
            font-size: 13px;
            color: var(--text-body);
            line-height: 1.6;
            flex: 1;
        }

        /* 11. FAQ Accordion */
        .faq-section {
            background-color: #F8FAFC;
        }
        .faq-accordion {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-smooth);
        }
        .faq-header {
            padding: 18px 24px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            user-select: none;
        }
        .faq-icon {
            font-size: 18px;
            color: var(--primary);
            transition: transform 0.3s ease;
        }
        .faq-body {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
        }
        .faq-item.active .faq-header {
            border-bottom: 1px solid #F1F5F9;
        }
        .faq-item.active .faq-body {
            padding: 16px 24px 20px;
            max-height: 240px;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        /* 12. Final CTA */
        .cta-section {
            background-color: #FFFFFF;
            padding: 70px 0;
        }
        .cta-box {
            background: linear-gradient(135deg, var(--dark-surface) 0%, #151C2C 100%);
            border-radius: 24px;
            padding: 56px 48px;
            color: #FFFFFF;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 48px;
            align-items: center;
            box-shadow: var(--shadow-dark);
            border: 1px solid var(--border-dark);
        }
        .cta-text h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .cta-text p {
            font-size: 15px;
            color: #94A3B8;
            line-height: 1.7;
        }
        .cta-form {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 28px;
            color: var(--text-heading);
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-heading);
        }
        .form-input {
            width: 100%;
            height: 44px;
            padding: 0 14px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-heading);
            background-color: #F8FAFC;
            transition: var(--transition-smooth);
        }
        .form-input:focus {
            outline: none;
            border-color: var(--primary);
            background-color: #FFFFFF;
            box-shadow: 0 0 0 3px rgba(15, 83, 255, 0.1);
        }
        .form-btn {
            width: 100%;
            height: 44px;
            font-size: 15px;
            margin-top: 8px;
        }

        /* Footer */
        .site-footer {
            background-color: var(--dark-surface);
            color: #94A3B8;
            padding: 70px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 50px;
        }
        .footer-brand h4 {
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
        }
        .footer-brand p {
            line-height: 1.7;
            font-size: 13px;
            margin-bottom: 16px;
        }
        .footer-col h5 {
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 18px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a:hover {
            color: #FFFFFF;
        }
        .footer-contact-info {
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 13px;
        }
        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
        }
        .footer-bottom a {
            color: #94A3B8;
        }
        .footer-bottom a:hover {
            color: #FFFFFF;
        }

        /* Responsive Breakpoints */
        @media (max-width: 1024px) {
            .hero-grid, .dark-grid, .reviews-grid, .cta-box {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .pain-grid, .advantages-grid, .steps-wrapper {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-title {
                font-size: 36px;
            }
        }

        @media (max-width: 768px) {
            .top-bar {
                display: none;
            }
            .nav-menu, .nav-actions .btn-outline {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .hero-title {
                font-size: 30px;
            }
            .hero-section {
                padding: 40px 0 60px;
            }
            .pain-grid, .advantages-grid, .scenarios-grid, .news-grid, .steps-wrapper, .solution-grid, .metrics-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
            .cta-box {
                padding: 36px 20px;
            }
        }