/* roulang page: index */
:root {
            --color-primary: #106CF6;
            --color-primary-hover: #0A58CA;
            --color-accent: #F97316;
            --color-accent-hover: #EA580C;
            --color-success: #10B981;
            --color-white: #FFFFFF;
            --color-bg-light: #F8F9FB;
            --color-bg-hero: #eef4ff;
            --color-text: #1E293B;
            --color-text-secondary: #64748B;
            --color-border: #E2E8F0;
            --color-footer-bg: #1a1e24;
            --color-footer-dark: #111418;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 12px 24px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 1px 3px rgba(0, 0, 0, 0.05);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-full: 50%;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            --max-width: 1200px;
            --section-gap: 100px;
            --section-gap-mobile: 60px;
            --nav-height: 64px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.25s ease;
            --transition-slow: 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--nav-height);
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-white);
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
        }

        input {
            font-family: inherit;
            outline: none;
        }

        ul {
            list-style: none;
        }

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

        /* ========== 导航 ========== */
        .nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            height: var(--nav-height);
            box-shadow: var(--shadow-nav);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-fast);
        }

        .nav.scrolled {
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
        }

        .nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            color: var(--color-white);
            border-radius: var(--radius-sm);
            font-size: 1.1rem;
            font-weight: 700;
            letter-spacing: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-links a {
            font-size: 0.9375rem;
            color: #475569;
            font-weight: 500;
            position: relative;
            padding: 4px 0;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: width var(--transition-smooth);
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--color-accent);
            color: var(--color-white) !important;
            padding: 10px 22px !important;
            border-radius: var(--radius-sm);
            font-weight: 600 !important;
            font-size: 0.9rem !important;
            transition: all var(--transition-fast) !important;
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
        }

        .nav-cta-btn::after {
            display: none !important;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px 4px;
            z-index: 1001;
            background: none;
            border: none;
        }

        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .nav-mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: var(--color-white);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 28px;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-slow);
        }

        .nav-mobile-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        .nav-mobile-overlay a {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--color-text);
            transition: color var(--transition-fast);
        }

        .nav-mobile-overlay a:hover {
            color: var(--color-primary);
        }

        .nav-mobile-overlay .nav-cta-btn {
            font-size: 1rem !important;
            padding: 12px 28px !important;
        }

        /* ========== Hero ========== */
        .hero {
            background: linear-gradient(180deg, #eef4ff 0%, #FFFFFF 100%);
            padding: 72px 0 88px;
            min-height: 85vh;
            display: flex;
            align-items: center;
        }

        .hero .container {
            display: flex;
            align-items: center;
            gap: 56px;
        }

        .hero-content {
            flex: 0 0 50%;
            max-width: 50%;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(16, 108, 246, 0.08);
            color: var(--color-primary);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 700;
            line-height: 1.2;
            color: var(--color-text);
            margin-bottom: 18px;
            letter-spacing: 0.01em;
        }

        .hero h1 .highlight {
            color: var(--color-primary);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-bottom: 32px;
            max-width: 480px;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 13px 32px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-accent);
            color: var(--color-white);
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.3);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(249, 115, 22, 0.4);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }

        .btn-outline:hover {
            background: var(--color-primary);
            color: var(--color-white);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(16, 108, 246, 0.3);
        }

        .hero-visual {
            flex: 0 0 50%;
            max-width: 50%;
            position: relative;
        }

        .hero-visual-inner {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 20px 48px rgba(16, 108, 246, 0.12);
            background: var(--color-white);
        }

        .hero-visual-inner img {
            width: 100%;
            height: auto;
            display: block;
            position: relative;
            z-index: 1;
        }

        .hero-visual-inner::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(16, 108, 246, 0.06) 0%, rgba(249, 115, 22, 0.04) 100%);
            z-index: 2;
            pointer-events: none;
        }

        .hero-dots {
            position: absolute;
            width: 120px;
            height: 120px;
            top: -30px;
            right: -30px;
            z-index: 0;
            opacity: 0.5;
            background: radial-gradient(circle, var(--color-primary) 2.5px, transparent 2.5px);
            background-size: 18px 18px;
            pointer-events: none;
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-header h2 {
            font-size: 2.25rem;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 10px;
            background: rgba(16, 108, 246, 0.06);
            padding: 4px 14px;
            border-radius: 20px;
        }

        /* ========== 痛点板块 ========== */
        .problems {
            background: var(--color-bg-light);
        }

        .problems-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .problem-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .problem-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }

        .problem-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .problem-card:hover::before {
            opacity: 1;
        }

        .problem-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: var(--radius-full);
            background: rgba(16, 108, 246, 0.08);
            color: var(--color-primary);
            font-size: 1.5rem;
            margin-bottom: 18px;
            transition: all var(--transition-smooth);
        }

        .problem-card:hover .problem-icon {
            background: var(--color-primary);
            color: var(--color-white);
            transform: scale(1.05);
        }

        .problem-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }

        .problem-card p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }

        /* ========== 解决方案板块 ========== */
        .solutions-alt {
            display: flex;
            flex-direction: column;
            gap: 64px;
        }

        .solution-row {
            display: flex;
            align-items: center;
            gap: 48px;
        }

        .solution-row.reverse {
            flex-direction: row-reverse;
        }

        .solution-text {
            flex: 0 0 50%;
            max-width: 50%;
        }

        .solution-text h3 {
            font-size: 1.65rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 14px;
            letter-spacing: 0.01em;
            line-height: 1.35;
        }

        .solution-text p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-bottom: 18px;
            max-width: 460px;
        }

        .solution-features {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 8px;
        }

        .solution-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-primary);
            background: rgba(16, 108, 246, 0.06);
            padding: 7px 14px;
            border-radius: 20px;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .solution-tag i {
            font-size: 0.75rem;
        }

        .solution-visual {
            flex: 0 0 50%;
            max-width: 50%;
        }

        .solution-visual-inner {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            background: var(--color-bg-light);
            position: relative;
            transition: all var(--transition-smooth);
        }

        .solution-visual-inner:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .solution-visual-inner img {
            width: 100%;
            height: auto;
            display: block;
        }

        .solution-visual-inner::after {
            content: '示意图';
            position: absolute;
            bottom: 12px;
            right: 14px;
            font-size: 0.75rem;
            color: rgba(0, 0, 0, 0.35);
            z-index: 2;
            pointer-events: none;
            letter-spacing: 0.04em;
        }

        /* ========== 成果数据板块 ========== */
        .results {
            background: var(--color-white);
        }

        .results-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .result-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 36px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            position: relative;
            transition: all var(--transition-smooth);
            border-top: 4px solid transparent;
        }

        .result-card:nth-child(1) {
            border-top-color: var(--color-primary);
        }
        .result-card:nth-child(2) {
            border-top-color: var(--color-accent);
        }
        .result-card:nth-child(3) {
            border-top-color: var(--color-success);
        }
        .result-card:nth-child(4) {
            border-top-color: var(--color-primary);
        }

        .result-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .result-number {
            font-size: 2.75rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.1;
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .result-card:nth-child(2) .result-number {
            color: var(--color-accent);
        }
        .result-card:nth-child(3) .result-number {
            color: var(--color-success);
        }

        .result-label {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            font-weight: 500;
            line-height: 1.5;
        }

        /* ========== 证言板块 ========== */
        .testimonials {
            background: var(--color-bg-light);
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            position: relative;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .testimonial-quote {
            font-size: 3rem;
            color: var(--color-primary);
            opacity: 0.2;
            line-height: 1;
            margin-bottom: 6px;
            font-family: Georgia, serif;
        }

        .testimonial-text {
            font-size: 0.95rem;
            color: var(--color-text);
            font-style: italic;
            line-height: 1.7;
            margin-bottom: 18px;
            min-height: 80px;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-avatar {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-full);
            background: #e2e8f0;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #94a3b8;
            font-size: 1.2rem;
            font-weight: 600;
        }

        .testimonial-info .name {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
        }
        .testimonial-info .role {
            font-size: 0.8rem;
            color: var(--color-text-secondary);
        }

        /* ========== CTA 板块 ========== */
        .cta-section {
            background: #e6f0ff;
            padding: 80px 0;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2.25rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 14px;
            letter-spacing: 0.01em;
            line-height: 1.3;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            margin-bottom: 28px;
            max-width: 540px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .cta-section .btn {
            font-size: 1.05rem;
            padding: 15px 38px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: #cbd5e1;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            cursor: pointer;
            transition: color var(--transition-fast);
            gap: 16px;
            letter-spacing: 0.01em;
            background: none;
            border: none;
            font-family: inherit;
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: var(--radius-full);
            background: rgba(16, 108, 246, 0.08);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            transition: all var(--transition-smooth);
            font-weight: 700;
        }

        .faq-item.active .faq-icon {
            background: var(--color-primary);
            color: var(--color-white);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        /* ========== 页脚 ========== */
        .footer {
            background: var(--color-footer-bg);
            color: #cbd5e1;
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1.5fr 1.5fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand .footer-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 700;
        }

        .footer-brand p {
            font-size: 0.875rem;
            color: #94a3b8;
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            font-size: 0.875rem;
            color: #94a3b8;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-primary);
        }

        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 6px;
        }

        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.06);
            color: #94a3b8;
            font-size: 1rem;
            transition: all var(--transition-fast);
        }

        .footer-social a:hover {
            background: var(--color-primary);
            color: #ffffff;
            transform: translateY(-2px);
        }

        .footer-bottom {
            background: var(--color-footer-dark);
            padding: 18px 0;
            text-align: center;
            font-size: 0.8rem;
            color: #64748b;
            letter-spacing: 0.02em;
        }

        .footer-bottom .container {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 6px;
        }

        .footer-bottom span {
            color: #94a3b8;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero .container {
                gap: 36px;
            }
            .hero h1 {
                font-size: 2.4rem;
            }
            .hero-content,
            .hero-visual {
                flex: 0 0 50%;
                max-width: 50%;
            }
            .results-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonials-grid .testimonial-card:nth-child(3) {
                grid-column: 1 / -1;
                max-width: 400px;
                justify-self: center;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .solution-row,
            .solution-row.reverse {
                gap: 32px;
            }
            .solution-text h3 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: var(--section-gap-mobile);
            }
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-mobile-overlay {
                display: flex;
            }
            .hero {
                padding: 48px 0 60px;
                min-height: auto;
            }
            .hero .container {
                flex-direction: column;
                gap: 40px;
                text-align: center;
            }
            .hero-content,
            .hero-visual {
                flex: 0 0 100%;
                max-width: 100%;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-subtitle {
                margin-left: auto;
                margin-right: auto;
                max-width: 100%;
            }
            .hero-buttons {
                justify-content: center;
            }
            .hero-dots {
                display: none;
            }
            .section-header h2 {
                font-size: 1.75rem;
            }
            .problems-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .solution-row,
            .solution-row.reverse {
                flex-direction: column;
                gap: 28px;
                text-align: center;
            }
            .solution-text,
            .solution-visual {
                flex: 0 0 100%;
                max-width: 100%;
            }
            .solution-text p {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .solution-features {
                justify-content: center;
            }
            .results-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .result-number {
                font-size: 2.2rem;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .testimonials-grid .testimonial-card:nth-child(3) {
                grid-column: auto;
                max-width: 100%;
                justify-self: auto;
            }
            .cta-section h2 {
                font-size: 1.75rem;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 0.95rem;
            }
            .faq-answer-inner {
                padding: 0 18px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: auto;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .nav .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .btn {
                padding: 11px 24px;
                font-size: 0.95rem;
            }
            .cta-section {
                padding: 56px 0;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
                gap: 12px;
            }
            .hero-buttons .btn {
                width: 100%;
                max-width: 260px;
            }
            .results-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .result-card {
                padding: 24px 18px;
            }
            .result-number {
                font-size: 2rem;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .solution-text h3 {
                font-size: 1.25rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .nav-logo {
                font-size: 1.1rem;
                gap: 6px;
            }
            .nav-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .footer-social {
                gap: 8px;
            }
            .footer-social a {
                width: 36px;
                height: 36px;
                font-size: 0.9rem;
            }
        }