/* roulang page: index */
:root {
            --color-primary: #1E5AAF;
            --color-primary-deep: #16428A;
            --color-accent: #F56C2D;
            --color-accent-hover: #E55D1E;
            --color-accent-light: #FFF3EB;
            --color-bg: #F8FAFC;
            --color-white: #FFFFFF;
            --color-text: #1E293B;
            --color-text-secondary: #64748B;
            --color-text-muted: #94A3B8;
            --color-border: #E2E8F0;
            --color-success: #10B981;
            --color-footer-bg: #1E293B;
            --color-footer-text: #CBD5E1;
            --color-footer-border: #334155;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-card: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06), 0 1px 4px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.10), 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-accent: 0 6px 20px rgba(245, 108, 45, 0.35);
            --font-stack: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --section-gap: 140px;
            --section-gap-tablet: 90px;
            --section-gap-mobile: 70px;
            --content-width: 1200px;
            --nav-height: 68px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --transition-slow: 0.35s ease;
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            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;
            background: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        input {
            font-family: inherit;
        }

        /* Container */
        .container {
            width: 100%;
            max-width: var(--content-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }
        }

        /* Section Label */
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.05em;
            color: var(--color-primary);
            text-transform: uppercase;
            margin-bottom: 12px;
            position: relative;
        }
        .section-label::after {
            content: '';
            display: inline-block;
            width: 24px;
            height: 2px;
            background: var(--color-accent);
            margin-left: 10px;
            vertical-align: middle;
            border-radius: 1px;
        }

        /* Section Titles */
        .section-h2 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
            margin-bottom: 20px;
            letter-spacing: -0.01em;
        }
        @media (max-width: 1023px) {
            .section-h2 {
                font-size: 28px;
            }
        }
        @media (max-width: 767px) {
            .section-h2 {
                font-size: 23px;
                line-height: 1.35;
            }
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            max-width: 620px;
        }

        /* ============ NAVIGATION ============ */
        .nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: var(--color-white);
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-fast);
        }
        .nav.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.10);
        }
        .nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.02em;
            flex-shrink: 0;
            z-index: 1001;
        }
        .nav-logo svg {
            width: 34px;
            height: 34px;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
        }
        .nav-links a {
            display: inline-block;
            padding: 10px 16px;
            font-size: 15px;
            color: var(--color-text-secondary);
            font-weight: 500;
            position: relative;
            white-space: nowrap;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
            transition: transform var(--transition-smooth);
        }
        .nav-links a:hover {
            color: var(--color-primary);
        }
        .nav-links a:hover::after {
            transform: translateX(-50%) scaleX(1);
        }
        .nav-links a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .nav-links a.active::after {
            transform: translateX(-50%) scaleX(1);
        }
        .nav-cta {
            display: inline-block;
            padding: 11px 22px;
            font-size: 14px;
            font-weight: 600;
            color: #fff !important;
            background: var(--color-accent);
            border-radius: var(--radius-md);
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(245, 108, 45, 0.25);
        }
        .nav-cta:hover {
            background: var(--color-accent-hover);
            transform: scale(1.04);
            box-shadow: var(--shadow-accent);
        }
        .nav-cta::after {
            display: none !important;
        }

        /* Hamburger */
        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 40px;
            height: 40px;
            cursor: pointer;
            z-index: 1001;
            background: none;
            border: none;
            gap: 6px;
            padding: 0;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-smooth);
            transform-origin: center;
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(8.5px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-8.5px) rotate(-45deg);
        }

        /* Mobile Nav Panel */
        .mobile-nav-panel {
            position: fixed;
            top: 0;
            right: 0;
            width: 75%;
            max-width: 360px;
            height: 100vh;
            height: 100dvh;
            background: var(--color-white);
            z-index: 999;
            transform: translateX(100%);
            transition: transform var(--transition-smooth);
            box-shadow: -4px 0 24px rgba(0, 0, 0, 0.12);
            padding: 100px 28px 40px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-nav-panel.open {
            transform: translateX(0);
        }
        .mobile-nav-panel a {
            display: block;
            padding: 14px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            min-height: 48px;
            display: flex;
            align-items: center;
        }
        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            background: #F1F5F9;
            color: var(--color-primary);
            font-weight: 600;
        }
        .mobile-nav-panel .nav-cta-mobile {
            margin-top: 16px;
            display: block;
            text-align: center;
            padding: 14px 22px;
            font-size: 15px;
            font-weight: 600;
            color: #fff !important;
            background: var(--color-accent);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }
        .mobile-nav-panel .nav-cta-mobile:hover {
            background: var(--color-accent-hover);
            box-shadow: var(--shadow-accent);
        }
        .mobile-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.5);
            z-index: 998;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }
        .mobile-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        @media (max-width: 1023px) {
            .nav-links {
                display: none;
            }
            .nav .nav-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
        }
        @media (min-width: 1024px) {
            .mobile-nav-panel,
            .mobile-overlay {
                display: none;
            }
        }

        /* ============ HERO ============ */
        .hero {
            min-height: 85vh;
            display: flex;
            align-items: center;
            padding-top: var(--nav-height);
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, #F8FAFC 0%, #FFFFFF 40%, #EEF2F9 100%);
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -180px;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(30, 90, 175, 0.04) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 108, 45, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero .container {
            display: flex;
            align-items: center;
            gap: 50px;
            position: relative;
            z-index: 2;
        }
        .hero-text {
            flex: 0 0 52%;
            max-width: 52%;
        }
        .hero-text .section-label {
            margin-bottom: 16px;
        }
        .hero-h1 {
            font-size: 46px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: var(--color-text);
            margin-bottom: 20px;
        }
        .hero-subtitle {
            font-size: 17px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 480px;
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-block;
            font-weight: 600;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-align: center;
            font-family: inherit;
            font-size: 15px;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            padding: 14px 32px;
            border: none;
            box-shadow: 0 2px 10px rgba(245, 108, 45, 0.25);
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            transform: scale(1.03);
            box-shadow: var(--shadow-accent);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            padding: 13px 31px;
            border: 2px solid var(--color-primary);
        }
        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
        }
        .btn-lg {
            padding: 16px 40px;
            font-size: 18px;
            font-weight: 700;
            border-radius: var(--radius-card);
        }
        .hero-image {
            flex: 0 0 46%;
            max-width: 46%;
            position: relative;
        }
        .hero-image img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-lg);
            object-fit: cover;
            aspect-ratio: 16 / 11;
            background: #E2E8F0;
        }
        .hero-image::after {
            content: '';
            position: absolute;
            inset: -8px;
            border-radius: var(--radius-lg);
            border: 2px dashed rgba(30, 90, 175, 0.12);
            pointer-events: none;
            z-index: -1;
        }

        @media (max-width: 1023px) {
            .hero .container {
                flex-direction: column;
                gap: 36px;
            }
            .hero-text {
                flex: 1 1 auto;
                max-width: 100%;
                text-align: center;
                order: 1;
            }
            .hero-subtitle {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-buttons {
                justify-content: center;
            }
            .hero-image {
                flex: 1 1 auto;
                max-width: 85%;
                order: 2;
            }
            .hero-h1 {
                font-size: 32px;
            }
        }
        @media (max-width: 767px) {
            .hero {
                min-height: auto;
                padding: 100px 0 60px;
            }
            .hero-h1 {
                font-size: 27px;
                line-height: 1.3;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-image {
                max-width: 100%;
            }
            .hero-image::after {
                display: none;
            }
            .btn {
                padding: 12px 24px;
                font-size: 14px;
            }
        }

        /* ============ PAIN POINTS ============ */
        .pain-points {
            padding: var(--section-gap) 0;
        }
        .pain-points .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .pain-points .section-h2 {
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .pain-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            max-width: 1000px;
            margin: 0 auto;
        }
        .pain-card {
            background: #F8FAFC;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 30px 26px;
            transition: all var(--transition-fast);
            position: relative;
            box-shadow: var(--shadow-sm);
        }
        .pain-card.featured {
            background: var(--color-white);
            border-color: #CDDAEF;
            box-shadow: var(--shadow-md);
            transform: translateY(-6px);
        }
        .pain-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .pain-card.featured:hover {
            transform: translateY(-8px);
        }
        .pain-card-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: #EEF2F9;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .pain-card.featured .pain-card-icon {
            background: #E8EDF8;
        }
        .pain-card-icon svg {
            width: 22px;
            height: 22px;
            color: var(--color-primary);
        }
        .pain-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--color-text);
            line-height: 1.4;
        }
        .pain-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }
        .pain-transition {
            text-align: center;
            margin-top: 44px;
            font-size: 15px;
            color: var(--color-text-secondary);
            font-style: italic;
        }

        @media (max-width: 1023px) {
            .pain-cards {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .pain-card.featured {
                transform: translateY(0);
            }
            .pain-card.featured:hover {
                transform: translateY(-4px);
            }
        }
        @media (max-width: 767px) {
            .pain-cards {
                grid-template-columns: 1fr;
                max-width: 420px;
            }
            .pain-card {
                padding: 24px 20px;
            }
            .pain-card.featured {
                transform: translateY(0);
                box-shadow: var(--shadow-sm);
                border-color: var(--color-border);
            }
            .pain-card.featured:hover {
                transform: translateY(-3px);
            }
            .pain-points {
                padding: var(--section-gap-mobile) 0;
            }
        }

        /* ============ SOLUTION ============ */
        .solution {
            padding: var(--section-gap) 0;
            background: #fff;
        }
        .solution .section-header {
            text-align: center;
            margin-bottom: 60px;
        }
        .solution-row {
            display: flex;
            align-items: center;
            gap: 50px;
            margin-bottom: 64px;
        }
        .solution-row:last-child {
            margin-bottom: 0;
        }
        .solution-row.reverse {
            flex-direction: row-reverse;
        }
        .solution-text {
            flex: 0 0 48%;
            max-width: 48%;
        }
        .solution-text h3 {
            font-size: 22px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-text);
            margin-bottom: 12px;
        }
        .solution-text p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .solution-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .badge {
            display: inline-block;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 500;
            border-radius: 20px;
            background: #EEF2F9;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .badge.accent {
            background: var(--color-accent-light);
            color: var(--color-accent);
        }
        .solution-image {
            flex: 0 0 46%;
            max-width: 46%;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            background: #E2E8F0;
        }
        .solution-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16 / 10;
            display: block;
        }

        @media (max-width: 1023px) {
            .solution-row,
            .solution-row.reverse {
                flex-direction: column;
                gap: 28px;
                margin-bottom: 48px;
            }
            .solution-text,
            .solution-image {
                flex: 1 1 auto;
                max-width: 100%;
                width: 100%;
            }
            .solution-text {
                text-align: center;
            }
            .solution-badges {
                justify-content: center;
            }
            .solution {
                padding: var(--section-gap-tablet) 0;
            }
        }
        @media (max-width: 767px) {
            .solution {
                padding: var(--section-gap-mobile) 0;
            }
            .solution .section-header {
                margin-bottom: 36px;
            }
            .solution-text h3 {
                font-size: 19px;
            }
            .solution-row {
                margin-bottom: 36px;
            }
        }

        /* ============ RESULTS ============ */
        .results {
            padding: var(--section-gap) 0;
            background: var(--color-bg);
        }
        .results .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .results-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            max-width: 1000px;
            margin: 0 auto;
        }
        .result-card {
            text-align: center;
            background: var(--color-white);
            border-radius: var(--radius-card);
            padding: 32px 20px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }
        .result-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .result-number {
            font-size: 50px;
            font-weight: 800;
            line-height: 1;
            color: var(--color-accent);
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }
        .result-label {
            font-size: 14px;
            color: var(--color-text-secondary);
            font-weight: 500;
        }
        @media (max-width: 1023px) {
            .results-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 767px) {
            .results-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .result-card {
                padding: 22px 14px;
            }
            .result-number {
                font-size: 36px;
            }
            .result-label {
                font-size: 12px;
            }
            .results {
                padding: var(--section-gap-mobile) 0;
            }
        }

        /* ============ TESTIMONIALS ============ */
        .testimonials {
            padding: var(--section-gap) 0;
            background: #fff;
        }
        .testimonials .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .testimonial-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            max-width: 1050px;
            margin: 0 auto;
        }
        .testimonial-card {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 32px 26px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-fast);
            position: relative;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .testimonial-card::before {
            content: '“';
            position: absolute;
            top: 14px;
            left: 20px;
            font-size: 64px;
            color: #E2E8F0;
            line-height: 1;
            font-weight: 700;
            pointer-events: none;
            z-index: 0;
        }
        .testimonial-card blockquote {
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.75;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
            font-style: normal;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: #EEF2F9;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            color: var(--color-primary);
            flex-shrink: 0;
        }
        .testimonial-info .name {
            font-weight: 600;
            font-size: 14px;
            color: var(--color-text);
        }
        .testimonial-info .role {
            font-size: 12px;
            color: var(--color-text-muted);
        }
        .stars {
            display: flex;
            gap: 3px;
            margin-top: 4px;
        }
        .star {
            width: 14px;
            height: 14px;
            display: inline-block;
        }
        .star.filled {
            color: #F59E0B;
        }
        .star.empty {
            color: #D1D5DB;
        }
        @media (max-width: 1023px) {
            .testimonial-cards {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 767px) {
            .testimonial-cards {
                grid-template-columns: 1fr;
                max-width: 420px;
            }
            .testimonial-card {
                padding: 24px 20px;
            }
            .testimonials {
                padding: var(--section-gap-mobile) 0;
            }
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: var(--section-gap) 0;
            background: var(--color-bg);
        }
        .faq-section .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 4px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            text-align: left;
            background: none;
            border: none;
            font-family: inherit;
            line-height: 1.5;
            transition: color var(--transition-fast);
            gap: 12px;
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-item.active .faq-question {
            color: var(--color-primary);
        }
        .faq-icon {
            width: 22px;
            height: 22px;
            flex-shrink: 0;
            position: relative;
            transition: transform var(--transition-slow);
        }
        .faq-icon::before,
        .faq-icon::after {
            content: '';
            position: absolute;
            background: var(--color-text-secondary);
            border-radius: 2px;
            transition: all var(--transition-slow);
        }
        .faq-icon::before {
            width: 100%;
            height: 2px;
            top: 50%;
            left: 0;
            transform: translateY(-50%);
        }
        .faq-icon::after {
            width: 2px;
            height: 100%;
            left: 50%;
            top: 0;
            transform: translateX(-50%);
        }
        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }
        .faq-item.active .faq-icon::after {
            opacity: 0;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 4px 20px;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }
        @media (max-width: 767px) {
            .faq-section {
                padding: var(--section-gap-mobile) 0;
            }
            .faq-question {
                font-size: 15px;
                padding: 16px 2px;
            }
        }

        /* ============ CTA ============ */
        .cta-section {
            padding: 90px 0;
            background: linear-gradient(160deg, #EEF2F9 0%, #FFFFFF 50%, #F8FAFC 100%);
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.06;
            pointer-events: none;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
            max-width: 700px;
        }
        .cta-section .section-h2 {
            margin-bottom: 24px;
        }
        .cta-section .btn-lg {
            display: inline-block;
            margin-top: 8px;
        }
        .cta-trust {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-top: 16px;
        }
        @media (max-width: 767px) {
            .cta-section {
                padding: 60px 0;
            }
            .cta-section .btn-lg {
                padding: 14px 30px;
                font-size: 16px;
            }
        }

        /* ============ FOOTER ============ */
        .footer {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 40px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-footer-text);
            margin-bottom: 8px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--color-footer-text);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer-logo svg {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
        }
        .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 8px;
        }
        .social-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid #64748B;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-footer-text);
            transition: all var(--transition-fast);
            font-size: 13px;
            font-weight: 500;
        }
        .social-icon:hover {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid var(--color-footer-border);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: #94A3B8;
        }
        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer {
                padding: 40px 0 0;
            }
        }

        /* Utility: visually hidden */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* Section spacing utility */
        section {
            scroll-margin-top: var(--nav-height);
        }