/* roulang page: index */
:root {
            --brand-primary: #0B4D5A;
            --brand-secondary: #E8724A;
            --bg-page: #FDF9F4;
            --bg-subtle: #F5EFE8;
            --text-dark: #1C1C1C;
            --text-mid: #3A3530;
            --text-light: #6B635D;
            --accent-gold: #F2B134;
            --card-bg: #FFFFFF;
            --card-border: #E8E2DC;
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 8px 30px rgba(11, 77, 90, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-btn: 0 6px 20px rgba(232, 114, 74, 0.3);
            --shadow-badge: 0 4px 16px rgba(242, 177, 52, 0.18);
            --radius-xl: 20px;
            --radius-lg: 14px;
            --radius-md: 10px;
            --radius-sm: 16px;
            --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-h1: 42px;
            --font-h2: 32px;
            --font-h3: 22px;
            --font-h4: 18px;
            --font-body: 16px;
            --font-sm: 13px;
            --max-content: 1200px;
            --nav-height-desktop: 64px;
            --nav-height-mobile: 56px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--nav-height-desktop);
        }

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            font-size: var(--font-body);
            line-height: 1.75;
            color: var(--text-dark);
            background-color: var(--bg-page);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        .container {
            width: 100%;
            max-width: var(--max-content);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== NAVIGATION ========== */
        #nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: var(--nav-height-desktop);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            transition: box-shadow 0.3s ease;
            border-bottom: 1px solid transparent;
        }
        #nav.scrolled {
            box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05), 0 4px 16px rgba(0, 0, 0, 0.03);
            border-bottom-color: #eee;
        }
        #nav .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-content);
            margin: 0 auto;
            padding: 0 24px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 24px;
            color: var(--brand-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            flex-shrink: 0;
        }
        .nav-logo .logo-suffix {
            font-weight: 400;
            font-size: 14px;
            color: var(--text-light);
            margin-left: 2px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }
        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-mid);
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--brand-primary);
            border-radius: 1px;
            transition: width 0.3s ease;
        }
        .nav-links a:hover {
            color: var(--brand-primary);
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, #E8724A 0%, #F08A62 100%);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            transition: var(--transition-smooth);
            white-space: nowrap;
        }
        .btn-nav:hover {
            box-shadow: var(--shadow-btn);
            transform: translateY(-1px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            width: 40px;
            height: 40px;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 6px;
            cursor: pointer;
            z-index: 101;
            position: relative;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: 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-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-page);
            z-index: 99;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 0;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }
        .mobile-menu.active {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-menu a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            height: 56px;
            font-size: 18px;
            font-weight: 600;
            color: var(--text-dark);
            border-bottom: 1px solid var(--card-border);
            transition: var(--transition-smooth);
        }
        .mobile-menu a:hover {
            background: var(--bg-subtle);
            color: var(--brand-primary);
        }
        .mobile-menu .mobile-cta {
            margin-top: 20px;
        }
        .mobile-menu .btn-nav {
            font-size: 16px;
            padding: 14px 36px;
        }

        /* ========== HERO ========== */
        #hero {
            padding-top: calc(var(--nav-height-desktop) + 60px);
            padding-bottom: 80px;
            position: relative;
            overflow: hidden;
        }
        #hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -180px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(242, 177, 52, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        #hero .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(242, 177, 52, 0.15);
            color: #B8860B;
            font-size: 13px;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 50px;
            letter-spacing: 0.3px;
            margin-bottom: 20px;
        }
        .hero-badge .badge-dot {
            width: 8px;
            height: 8px;
            background: var(--accent-gold);
            border-radius: 50%;
            animation: pulse-dot 1.8s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(242, 177, 52, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(242, 177, 52, 0);
            }
        }
        #hero h1 {
            font-size: var(--font-h1);
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-dark);
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            max-width: 600px;
        }
        #hero h1 .highlight {
            color: var(--brand-primary);
            position: relative;
        }
        .hero-subtitle {
            font-size: 18px;
            color: var(--text-mid);
            line-height: 1.6;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-cta-group {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #E8724A 0%, #F08A62 100%);
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            transition: var(--transition-smooth);
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(232, 114, 74, 0.25);
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-btn);
            transform: translateY(-2px);
            filter: brightness(1.04);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--brand-primary);
            font-weight: 600;
            font-size: 16px;
            padding: 12px 30px;
            border-radius: var(--radius-md);
            border: 2px solid var(--brand-primary);
            transition: var(--transition-smooth);
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background: rgba(11, 77, 90, 0.08);
            transform: translateY(-1px);
        }
        .hero-meta {
            font-size: 13px;
            color: var(--text-light);
            letter-spacing: 0.3px;
        }
        .hero-image-wrap {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-image-wrap img {
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card-hover);
            width: 100%;
            max-width: 500px;
            object-fit: cover;
            aspect-ratio: 5/4;
        }
        .hero-image-glow {
            position: absolute;
            bottom: -20px;
            right: -20px;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(232, 114, 74, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
            z-index: -1;
        }

        /* ========== SECTION COMMONS ========== */
        section {
            padding: 100px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-header h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-header .section-subtitle {
            font-size: 16px;
            color: var(--text-light);
            max-width: 560px;
            margin: 0 auto;
        }

        /* ========== SERVICES ========== */
        #services {
            background: var(--bg-page);
        }
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            transition: var(--transition-smooth);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            gap: 16px;
            position: relative;
            overflow: hidden;
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--brand-secondary), var(--accent-gold));
            border-radius: 0 0 4px 4px;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(11, 77, 90, 0.12);
        }
        .service-card:hover::before {
            opacity: 1;
        }
        .service-icon {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-lg);
            background: rgba(11, 77, 90, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--brand-secondary);
            flex-shrink: 0;
        }
        .service-card h3 {
            font-size: var(--font-h3);
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.4;
        }
        .service-card p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
            flex-grow: 1;
        }
        .service-card .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition-smooth);
            margin-top: auto;
        }
        .service-card .card-link:hover {
            gap: 8px;
        }
        .service-card .card-link i {
            transition: transform 0.25s ease;
        }
        .service-card .card-link:hover i {
            transform: translateX(3px);
        }

        /* ========== STATS ========== */
        #stats {
            background: var(--bg-subtle);
            padding: 60px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .stat-item {
            position: relative;
            padding: 20px 0;
        }
        .stat-item .stat-dot {
            width: 8px;
            height: 8px;
            background: var(--accent-gold);
            border-radius: 50%;
            margin: 0 auto 12px;
            box-shadow: var(--shadow-badge);
        }
        .stat-number {
            font-size: 48px;
            font-weight: 800;
            color: var(--brand-secondary);
            line-height: 1;
            letter-spacing: -1px;
            background: linear-gradient(135deg, #E8724A 0%, #F2B134 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-unit {
            font-size: 20px;
            font-weight: 700;
            color: var(--brand-secondary);
            margin-left: 2px;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-light);
            margin-top: 8px;
            letter-spacing: 0.3px;
        }

        /* ========== CASES ========== */
        #cases {
            background: var(--bg-page);
        }
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .case-card {
            background: var(--card-bg);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition-smooth);
            border: 1px solid var(--card-border);
        }
        .case-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
        }
        .case-card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-radius: var(--radius-sm) var(--radius-sm) 0 0;
            transition: transform 0.4s ease;
        }
        .case-card:hover .case-card-img {
            transform: scale(1.03);
        }
        .case-card-body {
            padding: 20px 24px 24px;
        }
        .case-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            background: rgba(242, 177, 52, 0.12);
            color: #B8860B;
            padding: 4px 12px;
            border-radius: 50px;
            letter-spacing: 0.3px;
            margin-bottom: 10px;
        }
        .case-card-body p {
            font-size: 15px;
            color: var(--text-dark);
            line-height: 1.6;
            margin-bottom: 8px;
        }
        .case-card-body .case-user {
            font-size: 13px;
            color: var(--text-light);
        }

        /* ========== SOLUTIONS ========== */
        #solutions {
            background: var(--bg-subtle);
        }
        .solutions-grid {
            display: grid;
            grid-template-columns: 11fr 9fr;
            gap: 24px;
        }
        .solution-card {
            background: var(--card-bg);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            border-left: 4px solid var(--brand-primary);
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .solution-card.accent {
            border-left-color: var(--brand-secondary);
        }
        .solution-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .solution-card h3 {
            font-size: var(--font-h3);
            font-weight: 600;
            color: var(--text-dark);
        }
        .solution-card p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
        }
        .solution-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-top: 4px;
        }
        .solution-features li {
            font-size: 14px;
            color: var(--text-mid);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.5;
        }
        .solution-features li i {
            color: var(--brand-secondary);
            font-size: 16px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* ========== FAQ ========== */
        #faq {
            background: var(--bg-page);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            border: 1px solid var(--card-border);
            transition: box-shadow 0.3s ease;
        }
        .faq-item.open {
            box-shadow: var(--shadow-card-hover);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            gap: 16px;
            transition: var(--transition-smooth);
            line-height: 1.4;
        }
        .faq-question:hover {
            color: var(--brand-primary);
        }
        .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(232, 114, 74, 0.1);
            color: var(--brand-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
            transition: var(--transition-smooth);
        }
        .faq-item.open .faq-icon {
            background: var(--brand-secondary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
            border-top: 1px solid var(--card-border);
            margin: 0 24px;
        }

        /* ========== CTA SECTION ========== */
        #contact {
            background: var(--brand-primary);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        #contact::before {
            content: '';
            position: absolute;
            top: -60px;
            left: 50%;
            transform: translateX(-50%);
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(242, 177, 52, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        #contact h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        #contact .contact-subtitle {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 32px;
            position: relative;
            z-index: 1;
        }
        #contact .btn-primary {
            font-size: 18px;
            padding: 18px 40px;
            position: relative;
            z-index: 1;
            box-shadow: 0 8px 28px rgba(232, 114, 74, 0.4);
        }
        #contact .btn-primary:hover {
            box-shadow: 0 12px 36px rgba(232, 114, 74, 0.55);
            transform: translateY(-3px);
        }

        /* ========== FOOTER ========== */
        #footer {
            background: #3A3530;
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
        }
        .footer-brand .footer-slogan {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition-smooth);
        }
        .footer-col ul li a:hover {
            color: var(--brand-secondary);
        }
        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 8px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition-smooth);
        }
        .footer-social a:hover {
            border-color: var(--brand-secondary);
            color: var(--brand-secondary);
            background: rgba(232, 114, 74, 0.1);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.3px;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            :root {
                --font-h1: 34px;
                --font-h2: 28px;
                --font-h3: 20px;
            }
            #hero .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
                text-align: center;
            }
            #hero h1 {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-subtitle {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-cta-group {
                justify-content: center;
            }
            .hero-image-wrap img {
                max-width: 380px;
                margin: 0 auto;
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .solutions-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --font-h1: 28px;
                --font-h2: 24px;
                --font-h3: 19px;
            }
            #nav {
                height: var(--nav-height-mobile);
            }
            #nav .nav-inner {
                padding: 0 16px;
            }
            .nav-links,
            .nav-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-menu {
                display: flex;
            }
            #hero {
                padding-top: calc(var(--nav-height-mobile) + 40px);
                padding-bottom: 50px;
            }
            section {
                padding: 60px 0;
            }
            .section-header {
                margin-bottom: 36px;
            }
            .services-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .cases-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .stat-number {
                font-size: 38px;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-cta-group .btn-primary,
            .hero-cta-group .btn-secondary {
                width: 100%;
                justify-content: center;
                text-align: center;
            }
            #contact {
                padding: 60px 20px;
            }
            #contact h2 {
                font-size: 24px;
            }
            #contact .btn-primary {
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                text-align: center;
            }
            .footer-social {
                justify-content: center;
            }
            .service-card {
                padding: 24px 20px;
            }
            .solution-card {
                padding: 24px 20px;
            }
            .faq-question {
                font-size: 15px;
                padding: 16px 18px;
            }
            .faq-answer-inner {
                margin: 0 18px;
                padding: 0 18px 16px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-image-wrap img {
                max-width: 100%;
                aspect-ratio: 4/3;
                border-radius: var(--radius-lg);
            }
            .stat-number {
                font-size: 32px;
            }
            .stat-unit {
                font-size: 16px;
            }
            .footer-bottom {
                font-size: 12px;
            }
            .nav-logo {
                font-size: 20px;
            }
            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
            }
            .btn-nav {
                font-size: 13px;
                padding: 8px 16px;
            }
        }