/* roulang page: index */
:root {
            --primary: #1F5E5B;
            --primary-dark: #173E43;
            --secondary: #FF6B35;
            --secondary-hover: #FF8552;
            --bg-warm: #FAF7F2;
            --bg-gray: #F0EEE9;
            --surface: #FFFFFF;
            --border: #E5E1DA;
            --text: #1C1C1A;
            --text-muted: #70706B;
            --radius-lg: 16px;
            --radius-md: 8px;
            --radius-sm: 4px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.12);
            --spacer-xl: 96px;
            --spacer-lg: 72px;
            --spacer-md: 48px;
            --font-serif: 'Noto Serif SC', 'PingFang SC', 'Microsoft YaHei', serif;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }
        * {
            box-sizing: border-box;
        }
        html,
        body {
            overflow-x: hidden;
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            color: var(--text);
            background: var(--bg-warm);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: var(--primary);
            transition: color .2s ease, background .2s ease, border-color .2s ease;
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container {
            max-width: 1280px;
        }
        section {
            padding: var(--spacer-lg) 0;
        }
        section[id] {
            scroll-margin-top: 72px;
        }
        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: .12em;
            color: var(--secondary);
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-title {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .section-desc {
            color: var(--text-muted);
            font-size: 15px;
            max-width: 720px;
            line-height: 1.8;
        }

        /* ===== Buttons ===== */
        .btn {
            border-radius: var(--radius-md);
            font-weight: 600;
            padding: 12px 28px;
            transition: all .2s ease;
            border: none;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            line-height: 1.4;
        }
        .btn-accent {
            background: var(--secondary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(255, 107, 53, .3);
        }
        .btn-accent:hover {
            background: var(--secondary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(255, 107, 53, .35);
        }
        .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .7);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            border-color: #fff;
        }
        .btn-outline-primary {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline-primary:hover {
            background: rgba(31, 94, 91, .08);
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-primary {
            background: var(--primary) !important;
            color: #fff !important;
        }
        .btn-primary:hover {
            background: var(--primary-dark) !important;
            color: #fff !important;
            transform: translateY(-1px);
        }
        .btn-lg {
            padding: 16px 40px;
            font-size: 16px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: transparent;
            transition: background .35s ease, box-shadow .35s ease, border-color .35s ease;
            border-bottom: 1px solid transparent;
            padding: 0;
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, .85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 4px 20px rgba(0, 0, 0, .08);
            border-bottom: 1px solid rgba(0, 0, 0, .08);
        }
        .navbar {
            padding: 8px 0;
            min-height: 72px;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            font-family: var(--font-serif);
            font-weight: 700;
            color: #fff;
            font-size: 20px;
            line-height: 1.2;
            transition: none;
        }
        .navbar-brand:hover {
            color: #fff;
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            background: var(--secondary);
            color: #fff;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }
        .brand-text .brand-main {
            font-size: 18px;
            letter-spacing: .02em;
        }
        .brand-text .brand-sub {
            font-size: 11px;
            font-weight: 500;
            color: var(--secondary);
            letter-spacing: .18em;
            font-family: var(--font-sans);
        }
        .site-header .navbar-nav .nav-link {
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            padding: 10px 18px;
            margin: 0 2px;
            border-radius: 6px;
            position: relative;
            transition: color .2s ease;
        }
        .site-header .navbar-nav .nav-link::after {
            content: '';
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 4px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .25s ease;
        }
        .site-header .navbar-nav .nav-link:hover::after,
        .site-header .navbar-nav .nav-link.active::after {
            transform: scaleX(1);
        }
        .site-header .navbar-nav .nav-link:hover {
            color: var(--secondary);
        }
        .site-header .navbar-nav .nav-link.active {
            color: var(--secondary);
        }
        .site-header.scrolled .navbar-brand {
            color: var(--text);
        }
        .site-header.scrolled .navbar-brand:hover {
            color: var(--text);
        }
        .site-header.scrolled .navbar-nav .nav-link {
            color: var(--text);
        }
        .site-header.scrolled .navbar-nav .nav-link:hover,
        .site-header.scrolled .navbar-nav .nav-link.active {
            color: var(--secondary);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-cta {
            padding: 8px 18px;
            font-size: 14px;
            border-radius: 6px;
            background: var(--secondary);
            color: #fff;
        }
        .nav-cta:hover {
            background: var(--secondary-hover);
            color: #fff;
            transform: translateY(-1px);
        }
        .navbar-toggler {
            border: none;
            padding: 6px;
            border-radius: 6px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid rgba(255, 255, 255, .4);
        }
        .site-header.scrolled .navbar-toggler:focus {
            outline-color: rgba(31, 94, 91, .3);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .site-header.scrolled .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(28,28,26,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            padding: 160px 0 100px;
            background: var(--primary-dark);
            color: #fff;
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(0, 0, 0, .72) 0%, rgba(0, 0, 0, .45) 55%, rgba(0, 0, 0, .25) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero-content h1 {
            font-family: var(--font-serif);
            font-size: 44px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 20px;
            color: #fff;
            letter-spacing: .02em;
        }
        .hero-sub {
            font-size: 18px;
            color: rgba(255, 255, 255, .85);
            margin-bottom: 32px;
            max-width: 640px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }
        .hero-badges {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-badges span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .2);
            border-radius: 30px;
            padding: 8px 18px;
            font-size: 13px;
            color: rgba(255, 255, 255, .95);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }
        .hero-badges i {
            color: var(--secondary);
        }

        /* ===== Stats ===== */
        .stats-section {
            background: var(--surface);
            padding: 40px 0 56px;
            margin-top: -64px;
            position: relative;
            z-index: 5;
        }
        .stats-section .container {
            max-width: 1100px;
        }
        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(240, 238, 233, .8);
            height: 100%;
            transition: transform .2s ease, box-shadow .2s ease;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .stat-card .stat-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 14px;
            background: rgba(31, 94, 91, .08);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
        }
        .stat-num {
            font-size: 48px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 6px;
            font-family: var(--font-serif);
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            letter-spacing: .04em;
        }

        /* ===== Services ===== */
        .services-section {
            background: var(--bg-gray);
        }
        .services-header {
            margin-bottom: 44px;
        }
        .service-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(240, 238, 233, .8);
            padding: 28px;
            height: 100%;
            position: relative;
            transition: all .3s ease;
            border-top: 3px solid transparent;
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            box-shadow: var(--shadow-hover);
            border-top-color: var(--secondary);
            transform: none;
        }
        .service-card .service-icon {
            width: 56px;
            height: 56px;
            background: var(--primary);
            color: #fff;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            flex-shrink: 0;
        }
        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            font-family: var(--font-serif);
            margin-bottom: 10px;
            color: var(--text);
        }
        .service-card p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            flex-grow: 1;
        }
        .service-features {
            list-style: none;
            padding: 0;
            margin: 14px 0 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .service-features li {
            font-size: 12px;
            background: rgba(31, 94, 91, .06);
            color: var(--primary);
            border-radius: 20px;
            padding: 4px 14px;
            font-weight: 500;
        }
        .service-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .service-link i {
            transition: transform .2s ease;
        }
        .service-link:hover i {
            transform: translateX(4px);
        }
        .service-card-lg {
            flex-direction: row;
            gap: 28px;
            padding: 0;
            overflow: hidden;
            align-items: stretch;
        }
        .service-card-lg .service-content {
            padding: 32px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .service-card-lg .service-thumb {
            width: 320px;
            flex-shrink: 0;
            min-height: 220px;
            background-size: cover;
            background-position: center;
            border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
        }

        /* ===== Compare ===== */
        .compare-section {
            background: var(--surface);
        }
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }
        .compare-card {
            border-radius: var(--radius-lg);
            padding: 36px;
            height: 100%;
            transition: transform .2s ease, box-shadow .2s ease;
        }
        .compare-card:hover {
            transform: translateY(-4px);
        }
        .compare-old {
            background: var(--bg-gray);
            border: 1px solid var(--border);
        }
        .compare-old h3 {
            font-size: 18px;
            color: var(--text-muted);
            margin-bottom: 20px;
            font-weight: 700;
        }
        .compare-old ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .compare-old li {
            padding: 12px 0;
            border-bottom: 1px solid rgba(0, 0, 0, .06);
            color: #8a8a86;
            font-size: 14px;
            display: flex;
            justify-content: space-between;
            gap: 12px;
        }
        .compare-old li:last-child {
            border-bottom: none;
        }
        .compare-old .compare-num {
            color: #a8a8a3;
            font-weight: 700;
            flex-shrink: 0;
        }
        .compare-new {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 32px rgba(31, 94, 91, .22);
        }
        .compare-new h3 {
            font-size: 18px;
            color: rgba(255, 255, 255, .9);
            margin-bottom: 20px;
            font-weight: 700;
        }
        .compare-new ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .compare-new li {
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, .12);
            font-size: 14px;
            display: flex;
            justify-content: space-between;
            gap: 12px;
        }
        .compare-new li:last-child {
            border-bottom: none;
        }
        .compare-new .compare-num {
            color: var(--secondary);
            font-weight: 800;
            font-size: 16px;
            flex-shrink: 0;
        }
        .compare-summary {
            text-align: center;
            font-size: 15px;
            color: var(--text-muted);
            padding: 8px 0 0;
            max-width: 680px;
            margin: 0 auto;
        }
        .compare-summary strong {
            color: var(--primary);
        }

        /* ===== News ===== */
        .news-section {
            background: var(--bg-gray);
        }
        .article-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(240, 238, 233, .8);
            overflow: hidden;
            height: 100%;
            transition: box-shadow .3s ease, transform .2s ease;
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .article-thumb {
            display: block;
            overflow: hidden;
            position: relative;
            border-radius: 0;
        }
        .article-thumb img {
            width: 100%;
            height: 190px;
            object-fit: cover;
            display: block;
            transition: transform .4s ease;
        }
        .article-card:hover .article-thumb img {
            transform: scale(1.03);
        }
        .article-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .badge-cat {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            border-radius: 8px;
            padding: 3px 12px;
            align-self: flex-start;
            margin-bottom: 12px;
            letter-spacing: .04em;
        }
        .article-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 8px;
            font-family: var(--font-serif);
        }
        .article-body h3 a {
            color: var(--text);
        }
        .article-body h3 a:hover {
            color: var(--secondary);
        }
        .article-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
            flex-grow: 1;
        }
        .article-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid rgba(0, 0, 0, .04);
            padding-top: 12px;
        }
        .article-meta .read-more {
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .article-meta .read-more i {
            transition: transform .2s ease;
        }
        .article-meta .read-more:hover i {
            transform: translateX(4px);
        }
        .empty-state {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 60px 24px;
            text-align: center;
            color: var(--text-muted);
            border: 1px dashed var(--border);
        }
        .empty-state p {
            margin: 0;
            font-size: 15px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--surface);
        }
        .faq-section .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .faq-section .section-desc {
            margin: 0 auto;
        }
        .accordion {
            max-width: 820px;
            margin: 0 auto;
        }
        .accordion-item {
            border: none;
            border-bottom: 1px solid var(--border);
            background: transparent;
            border-radius: 0 !important;
        }
        .accordion-button {
            padding: 18px 16px;
            font-size: 16px;
            font-weight: 600;
            background: transparent;
            color: var(--text);
            box-shadow: none !important;
            border-radius: 0 !important;
            position: relative;
            transition: color .2s ease;
        }
        .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: transparent;
        }
        .accordion-button::after {
            content: "\f067";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            background-image: none;
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 14px;
            transition: transform .3s ease, color .3s ease;
            flex-shrink: 0;
            margin-left: 12px;
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            color: var(--secondary);
        }
        .accordion-body {
            padding: 0 16px 20px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }
        .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid rgba(31, 94, 91, .15);
            outline-offset: -2px;
            border-radius: 4px !important;
        }

        /* ===== CTA Form ===== */
        .cta-section {
            background: var(--primary-dark);
            padding: var(--spacer-xl) 0;
            color: #fff;
        }
        .cta-section .section-label {
            color: var(--secondary);
        }
        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }
        .cta-section p.lead {
            color: rgba(255, 255, 255, .8);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 8px;
        }
        .cta-form-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 36px;
            box-shadow: 0 16px 48px rgba(0, 0, 0, .22);
        }
        .cta-form-card .form-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }
        .form-control {
            height: 46px;
            border-radius: var(--radius-md);
            border: 1px solid #D8D4CE;
            background: #fff;
            font-size: 15px;
            padding: 10px 16px;
            color: var(--text);
            transition: border-color .2s ease, box-shadow .2s ease;
        }
        .form-control::placeholder {
            color: #b0aca6;
        }
        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(31, 94, 91, .15);
            outline: none;
        }
        textarea.form-control {
            height: auto;
            resize: vertical;
            min-height: 90px;
        }
        .btn-submit {
            width: 100%;
            min-width: 280px;
            background: var(--secondary);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            padding: 14px 20px;
            border-radius: var(--radius-md);
            border: none;
            transition: all .2s ease;
        }
        .btn-submit:hover {
            background: var(--secondary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 107, 53, .3);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #151515;
            color: #A8A8A3;
            padding-top: 64px;
            font-size: 14px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .brand-icon {
            width: 36px;
            height: 36px;
            font-size: 15px;
            border-radius: 9px;
        }
        .footer-brand .brand-text {
            color: #fff;
            font-family: var(--font-serif);
            font-weight: 700;
        }
        .footer-brand .brand-sub {
            font-size: 10px;
        }
        .site-footer p.footer-desc {
            color: #A8A8A3;
            font-size: 13px;
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 260px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
            font-family: var(--font-serif);
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 10px;
        }
        .site-footer ul a {
            color: #A8A8A3;
            font-size: 13px;
            transition: color .2s ease;
        }
        .site-footer ul a:hover {
            color: var(--secondary);
            text-decoration: none;
        }
        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            color: #A8A8A3;
            font-size: 13px;
        }
        .footer-contact i {
            color: var(--secondary);
            margin-top: 4px;
            width: 16px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            margin-top: 48px;
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-bottom p {
            margin: 0;
            font-size: 13px;
            color: #888;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }
        @media (max-width: 991px) {
            section {
                padding: var(--spacer-md) 0;
            }
            .hero-section {
                min-height: 70vh;
                padding: 140px 0 90px;
            }
            .site-header .navbar-collapse {
                background: rgba(255, 255, 255, .95);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                border-radius: 12px;
                padding: 16px;
                margin-top: 12px;
                box-shadow: 0 12px 32px rgba(0, 0, 0, .12);
            }
            .site-header .navbar-collapse .nav-link {
                color: var(--text);
                padding: 12px 16px;
                text-align: center;
                border-radius: 8px;
            }
            .site-header .navbar-collapse .nav-link:hover,
            .site-header .navbar-collapse .nav-link.active {
                color: var(--secondary);
                background: rgba(31, 94, 91, .05);
            }
            .site-header .navbar-collapse .nav-link::after {
                display: none;
            }
            .nav-actions {
                justify-content: center;
                padding-top: 10px;
            }
            .nav-cta {
                width: 100%;
                justify-content: center;
                text-align: center;
            }
            .hero-content h1 {
                font-size: 34px;
            }
            .hero-sub {
                font-size: 16px;
            }
            .service-card-lg {
                flex-direction: column;
            }
            .service-card-lg .service-thumb {
                width: 100%;
                min-height: 180px;
                border-radius: 0;
                order: -1;
            }
            .compare-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-section {
                padding: var(--spacer-md) 0;
            }
            .cta-form-card {
                margin-top: 24px;
            }
        }
        @media (max-width: 767px) {
            .stat-num {
                font-size: 36px;
            }
            .stat-card {
                padding: 20px 12px;
            }
            .hero-content h1 {
                font-size: 28px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 12px;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-badges {
                gap: 8px;
            }
            .hero-badges span {
                font-size: 12px;
                padding: 6px 12px;
            }
            .section-title {
                font-size: 24px;
            }
            .service-card {
                padding: 22px;
            }
            .compare-card {
                padding: 24px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .footer-bottom {
                justify-content: center;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-section {
                min-height: 70vh;
            }
            .hero-badges span {
                font-size: 11px;
            }
            .article-thumb img {
                height: 160px;
            }
            .cta-form-card {
                padding: 24px;
            }
            .btn {
                padding: 12px 20px;
            }
        }

        /* ===== Accessibility ===== */
        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible {
            outline: 3px solid rgba(255, 107, 53, .5);
            outline-offset: 2px;
            border-radius: var(--radius-md);
        }

/* roulang page: article */
:root {
  --primary: #1F5E5B;
  --primary-dark: #173E43;
  --primary-soft: rgba(31, 94, 91, 0.08);
  --secondary: #FF6B35;
  --secondary-dark: #E8551F;
  --bg-warm: #FAF7F2;
  --bg-light: #F0EEE9;
  --surface: #FFFFFF;
  --border: #E5E1DA;
  --text-main: #1C1C1A;
  --text-muted: #70706B;
  --radius-lg: 16px;
  --radius-md: 8px;
  --radius-sm: 4px;
  --shadow-sm: 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-header: 0 4px 20px rgba(0, 0, 0, 0.08);
  --transition: 0.2s ease;
  --font-serif: 'Noto Serif SC', 'Noto Sans SC', serif;
  --font-sans: 'Noto Sans SC', system-ui, -apple-system, sans-serif;
  --section-padding: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-warm);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: var(--primary);
  transition: color var(--transition), box-shadow var(--transition);
}

a:hover {
  color: var(--secondary);
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(255, 107, 53, 0.4);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  max-width: 1240px;
  padding-left: 24px;
  padding-right: 24px;
}

/* ========== Buttons ========== */
.btn {
  font-family: var(--font-sans);
  font-weight: 600;
  border-radius: var(--radius-md);
  padding: 12px 28px;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  line-height: 1.4;
}

.btn-primary {
  background: var(--secondary);
  border: none;
  color: #fff;
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.25);
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--secondary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255, 107, 53, 0.3);
}

.btn-outline-primary {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
}

.btn-outline-primary:hover {
  background: var(--primary-soft);
  color: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
}

.btn-lg {
  padding: 14px 36px;
  font-size: 17px;
}

/* ========== Header Nav ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1040;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: transparent;
  box-shadow: var(--shadow-header);
}

.site-header .navbar {
  min-height: 72px;
  padding-top: 8px;
  padding-bottom: 8px;
  transition: min-height 0.3s ease;
}

.site-header.scrolled .navbar {
  min-height: 64px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0;
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 17px;
  box-shadow: 0 4px 12px rgba(31, 94, 91, 0.25);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-main {
  font-weight: 700;
  font-size: 18px;
  color: var(--text-main);
  letter-spacing: 0.02em;
}

.brand-sub {
  font-size: 12px;
  color: var(--secondary);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.navbar-nav .nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  padding: 10px 18px !important;
  position: relative;
  border-radius: var(--radius-md);
  transition: color var(--transition), background var(--transition);
}

.navbar-nav .nav-link:hover {
  color: var(--primary);
  background: var(--primary-soft);
}

.navbar-nav .nav-link.active {
  color: var(--primary);
  font-weight: 600;
}

.navbar-nav .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--secondary);
  border-radius: 3px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-cta {
  background: var(--secondary);
  color: #fff;
  border: none;
  padding: 9px 20px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 14px;
  box-shadow: 0 3px 10px rgba(255, 107, 53, 0.2);
  transition: all var(--transition);
}

.nav-cta:hover {
  background: var(--secondary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(255, 107, 53, 0.3);
}

.navbar-toggler {
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-md);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.6);
}

.navbar-toggler-icon {
  background-image: none;
  width: 20px;
  height: 2px;
  background: var(--text-main);
  position: relative;
  transition: all 0.3s ease;
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: var(--text-main);
  transition: all 0.3s ease;
}

.navbar-toggler-icon::before {
  top: -7px;
}

.navbar-toggler-icon::after {
  top: 7px;
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
  background: transparent;
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ========== Article Hero ========== */
.article-hero {
  position: relative;
  min-height: 40vh;
  display: flex;
  align-items: flex-end;
  padding: 120px 0 48px;
  background: linear-gradient(100deg, rgba(23, 62, 67, 0.85) 0%, rgba(23, 62, 67, 0.55) 55%, rgba(23, 62, 67, 0.35) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  overflow: hidden;
}

.article-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--bg-warm), transparent);
  pointer-events: none;
}

.article-hero .container {
  position: relative;
  z-index: 2;
}

.breadcrumb-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.72);
  flex-wrap: wrap;
}

.breadcrumb-wrap a {
  color: rgba(255, 255, 255, 0.85);
  transition: color var(--transition);
}

.breadcrumb-wrap a:hover {
  color: var(--secondary);
}

.breadcrumb-wrap .sep {
  color: rgba(255, 255, 255, 0.45);
  font-size: 12px;
}

.breadcrumb-wrap .current {
  color: #fff;
  font-weight: 500;
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-category-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  background: var(--secondary);
  color: #fff;
  font-weight: 600;
  font-size: 13px;
  border-radius: 999px;
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
  letter-spacing: 0.04em;
}

/* ========== Article Main ========== */
.article-main {
  padding: 48px 0 72px;
}

.article-main .container {
  position: relative;
}

.article-title-wrap {
  text-align: center;
  max-width: 860px;
  margin: 0 auto 32px;
}

.article-title-wrap h1 {
  font-family: var(--font-serif);
  font-size: 38px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-main);
  margin: 18px 0 14px;
  letter-spacing: 0.01em;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  font-size: 14px;
  color: var(--text-muted);
}

.article-meta .meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-meta .meta-item i {
  color: var(--primary);
  font-size: 13px;
}

.article-lead {
  max-width: 720px;
  margin: 0 auto 40px;
  padding: 18px 24px;
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.85;
  border-left: 3px solid var(--secondary);
  font-style: italic;
}

.article-body-wrap {
  max-width: 760px;
  margin: 0 auto;
}

.article-body {
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--text-main);
  letter-spacing: 0.005em;
}

.article-body p {
  margin-bottom: 24px;
}

.article-body h2 {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-main);
  margin: 42px 0 20px;
  padding-left: 16px;
  border-left: 4px solid var(--primary);
}

.article-body h3 {
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-main);
  margin: 32px 0 14px;
}

.article-body img {
  border-radius: 12px;
  margin: 28px 0;
  box-shadow: var(--shadow-sm);
  width: 100%;
  object-fit: cover;
}

.article-body blockquote {
  margin: 28px 0;
  padding: 20px 24px;
  background: var(--bg-light);
  border-left: 4px solid var(--secondary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.85;
}

.article-body ul,
.article-body ol {
  margin-bottom: 24px;
  padding-left: 24px;
}

.article-body li {
  margin-bottom: 8px;
}

.article-body a {
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.article-body a:hover {
  text-decoration-color: var(--secondary);
}

.article-body strong {
  font-weight: 600;
  color: var(--primary-dark);
}

.back-link-wrap {
  max-width: 760px;
  margin: 40px auto 0;
  text-align: right;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}

.back-link-wrap a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  font-size: 15px;
  color: var(--primary);
  transition: all var(--transition);
}

.back-link-wrap a:hover {
  color: var(--secondary);
  gap: 12px;
}

.back-link-wrap a i {
  transition: transform var(--transition);
}

.back-link-wrap a:hover i {
  transform: translateX(-4px);
}

/* ========== Not Found ========== */
.not-found-card {
  max-width: 620px;
  margin: 80px auto;
  text-align: center;
  padding: 64px 40px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.not-found-card .nf-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.not-found-card h2 {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
}

.not-found-card p {
  color: var(--text-muted);
  margin-bottom: 28px;
  font-size: 15px;
}

/* ========== Related Section ========== */
.related-section {
  background: var(--bg-light);
  padding: var(--section-padding) 0;
}

.section-head {
  text-align: center;
  margin-bottom: 48px;
}

.section-head h2 {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
  letter-spacing: 0.01em;
}

.section-head .section-sub {
  color: var(--text-muted);
  font-size: 15px;
  max-width: 560px;
  margin: 0 auto;
}

.related-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.related-card .card-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--bg-light);
}

.related-card .card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.related-card:hover .card-img-wrap img {
  transform: scale(1.04);
}

.related-card .card-body-custom {
  padding: 20px 22px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.related-card .card-cat {
  display: inline-block;
  background: var(--secondary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 999px;
  align-self: flex-start;
  margin-bottom: 12px;
}

.related-card h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-main);
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 52px;
}

.related-card h3 a {
  color: var(--text-main);
  transition: color var(--transition);
}

.related-card h3 a:hover {
  color: var(--primary);
}

.related-card .card-excerpt {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
  flex: 1;
}

.related-card .card-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 14px;
  margin-top: auto;
}

.related-card .card-date {
  font-size: 13px;
  color: var(--text-muted);
}

.related-card .card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all var(--transition);
}

.related-card .card-link:hover {
  color: var(--secondary);
  gap: 9px;
}

/* ========== CTA Band ========== */
.cta-band {
  background: var(--primary-dark);
  padding: 72px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-band .container {
  position: relative;
  z-index: 2;
}

.cta-band h2 {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 16px;
  max-width: 600px;
  margin: 0 auto 28px;
}

/* ========== Footer ========== */
.site-footer {
  background: #1C1C1A;
  color: #A8A8A3;
  padding: 64px 0 0;
  font-size: 14px;
}

.site-footer .footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.site-footer h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}

.site-footer .footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: #A8A8A3;
  margin-bottom: 20px;
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer ul li {
  margin-bottom: 10px;
}

.site-footer ul li a {
  color: #A8A8A3;
  font-size: 14px;
  transition: color var(--transition), padding-left var(--transition);
}

.site-footer ul li a:hover {
  color: var(--secondary);
  padding-left: 4px;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 12px;
  line-height: 1.6;
}

.footer-contact i {
  color: var(--secondary);
  margin-top: 4px;
  font-size: 13px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  margin-top: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom p {
  margin: 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.45);
  transition: color var(--transition);
}

.footer-bottom a:hover {
  color: var(--secondary);
}

/* ========== Responsive ========== */
@media (max-width: 991.98px) {
  .site-header .navbar {
    min-height: 64px;
  }

  .navbar-collapse {
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: 16px;
    margin-top: 12px;
    box-shadow: var(--shadow-hover);
  }

  .navbar-nav .nav-link {
    padding: 14px 16px !important;
    text-align: center;
    font-size: 16px;
  }

  .navbar-nav .nav-link.active::after {
    bottom: 6px;
  }

  .nav-actions {
    display: flex;
    justify-content: center;
    margin-top: 8px;
  }

  .nav-cta {
    width: 100%;
    max-width: 280px;
    justify-content: center;
    padding: 12px;
  }

  .article-title-wrap h1 {
    font-size: 30px;
  }

  .article-hero {
    min-height: 36vh;
  }

  .section-head h2 {
    font-size: 26px;
  }
}

@media (max-width: 767.98px) {
  :root {
    --section-padding: 48px;
  }

  .article-hero {
    min-height: 32vh;
    padding-top: 100px;
    padding-bottom: 36px;
  }

  .breadcrumb-wrap .current {
    max-width: 200px;
  }

  .article-title-wrap h1 {
    font-size: 26px;
    line-height: 1.45;
  }

  .article-meta {
    flex-wrap: wrap;
    gap: 10px 16px;
  }

  .article-body-wrap {
    padding: 0 12px;
  }

  .article-body {
    font-size: 15.5px;
    line-height: 1.85;
  }

  .article-body h2 {
    font-size: 22px;
    margin-top: 32px;
  }

  .article-body h3 {
    font-size: 19px;
  }

  .not-found-card {
    padding: 40px 24px;
    margin: 48px auto;
  }

  .section-head h2 {
    font-size: 24px;
  }

  .related-card .card-body-custom {
    padding: 16px;
  }

  .cta-band h2 {
    font-size: 24px;
  }

  .cta-band p {
    font-size: 14px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 4px;
  }
}

@media (max-width: 575.98px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .article-title-wrap h1 {
    font-size: 24px;
  }

  .article-lead {
    padding: 14px 16px;
    font-size: 14px;
  }

  .breadcrumb-wrap {
    font-size: 13px;
  }

  .breadcrumb-wrap .current {
    max-width: 160px;
  }

  .btn {
    padding: 10px 22px;
    font-size: 14px;
  }
}

@media (min-width: 992px) and (max-width: 1199px) {
  .article-title-wrap h1 {
    font-size: 34px;
  }
}

/* roulang page: category1 */
:root {
            --primary: #1F5E5B;
            --primary-dark: #173E43;
            --secondary: #FF6B35;
            --secondary-hover: #FF8552;
            --bg: #FAF7F2;
            --bg-gray: #F0EEE9;
            --surface: #FFFFFF;
            --border: #E5E1DA;
            --text: #1C1C1A;
            --text-muted: #70706B;
            --radius-lg: 16px;
            --radius-md: 8px;
            --radius-sm: 4px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.12);
            --grad-dark: linear-gradient(135deg, rgba(23, 62, 67, 0.92) 0%, rgba(31, 94, 91, 0.78) 100%);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "Noto Sans SC", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: "Noto Serif SC", "Noto Sans SC", serif;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text);
            letter-spacing: 0.02em;
        }

        a {
            text-decoration: none;
            transition: color 0.2s ease, background 0.2s ease, border 0.2s ease, box-shadow 0.2s ease;
        }

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

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-pad {
            padding: 72px 0;
        }

        /* ---------- 通用按钮 ---------- */
        .btn {
            border-radius: var(--radius-md);
            font-weight: 600;
            padding: 12px 28px;
            transition: all 0.2s ease;
            font-size: 16px;
            line-height: 1.4;
        }

        .btn:focus,
        .btn:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.25);
        }

        .btn-brand {
            background: var(--secondary);
            color: #fff;
            border: none;
            border-radius: var(--radius-md);
        }

        .btn-brand:hover,
        .btn-brand:active {
            background: var(--secondary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(255, 107, 53, 0.3);
        }

        .btn-outline-brand {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline-brand:hover {
            background: rgba(31, 94, 91, 0.08);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        .btn-outline-light-custom {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.65);
            color: #fff;
            backdrop-filter: blur(4px);
        }

        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.16);
            color: #fff;
            border-color: #fff;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 17px;
        }

        .text-link {
            color: var(--primary);
            font-weight: 500;
            border-bottom: 1px solid var(--primary);
            padding-bottom: 1px;
            transition: all 0.2s;
        }

        .text-link:hover {
            color: var(--secondary);
            border-color: var(--secondary);
        }

        /* ---------- Header 导航 ---------- */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.55);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            border-bottom-color: rgba(0, 0, 0, 0.04);
        }

        .site-header .navbar {
            min-height: 72px;
            padding-top: 0;
            padding-bottom: 0;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
        }

        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
        }

        .brand-main {
            font-family: "Noto Serif SC", serif;
            font-weight: 700;
            font-size: 17px;
            color: var(--text);
            letter-spacing: 0.04em;
        }

        .brand-sub {
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3em;
            color: var(--secondary);
        }

        .navbar-nav {
            gap: 4px;
        }

        .nav-item .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 10px 16px !important;
            border-radius: var(--radius-md);
            position: relative;
            transition: color 0.2s, background 0.2s;
        }

        .nav-item .nav-link:hover {
            color: var(--primary);
            background: rgba(31, 94, 91, 0.06);
        }

        .nav-item .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-item .nav-link.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 4px;
            height: 2px;
            border-radius: 2px;
            background: var(--secondary);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-cta {
            padding: 8px 20px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(255, 107, 53, 0.25);
        }

        .navbar-toggler {
            border: 1px solid rgba(0, 0, 0, 0.1);
            border-radius: 8px;
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 4px rgba(31, 94, 91, 0.15);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(28,28,26,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ---------- 页内 Hero ---------- */
        .page-hero {
            position: relative;
            padding: 168px 0 90px;
            background: linear-gradient(100deg, rgba(20, 45, 48, 0.88) 0%, rgba(31, 94, 91, 0.72) 52%, rgba(23, 62, 67, 0.56) 100%), url("/assets/images/backpic/back-1.png") center/cover no-repeat;
            color: #fff;
            margin-bottom: 0;
        }

        .page-hero .breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            margin-bottom: 24px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: 40px;
            padding: 8px 18px;
            backdrop-filter: blur(6px);
        }

        .page-hero .breadcrumb a {
            color: rgba(255, 255, 255, 0.86);
        }

        .page-hero .breadcrumb a:hover {
            color: var(--secondary);
        }

        .page-hero .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
        }

        .page-hero .breadcrumb .current {
            color: #fff;
            font-weight: 600;
        }

        .page-hero h1 {
            color: #fff;
            font-size: 44px;
            font-weight: 800;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.18);
        }

        .page-hero .lead {
            color: rgba(255, 255, 255, 0.9);
            font-size: 19px;
            max-width: 780px;
            line-height: 1.85;
            margin-bottom: 32px;
        }

        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 36px;
        }

        .hero-badges .badge-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: 40px;
            padding: 8px 18px;
            font-size: 14px;
            color: #fff;
            backdrop-filter: blur(6px);
        }

        .hero-badges .badge-item i {
            color: var(--secondary);
        }

        /* ---------- 简介区 ---------- */
        .intro-section {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
        }

        .intro-title {
            font-size: 32px;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 14px;
        }

        .intro-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 56px;
            height: 3px;
            border-radius: 4px;
            background: var(--secondary);
        }

        .intro-text {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .intro-panel {
            background: var(--grad-dark);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .intro-panel::before {
            content: "";
            position: absolute;
            right: -32px;
            top: -32px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.18);
        }

        .intro-panel ul {
            list-style: none;
            margin: 0;
            padding: 0;
            position: relative;
            z-index: 1;
        }

        .intro-panel li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 15px;
        }

        .intro-panel li:last-child {
            border-bottom: none;
        }

        .intro-panel li i {
            color: var(--secondary);
            margin-top: 4px;
        }

        /* ---------- 通用标题 ---------- */
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }

        .section-head .tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.18em;
            color: var(--secondary);
            background: rgba(255, 107, 53, 0.1);
            padding: 6px 16px;
            border-radius: 40px;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 32px;
            margin-bottom: 14px;
        }

        .section-head p {
            color: var(--text-muted);
            font-size: 16px;
            margin-bottom: 0;
        }

        /* ---------- 内容卡片网格 ---------- */
        .guide-cards-section {
            background: var(--bg-gray);
        }

        .guide-card {
            background: var(--surface);
            border: 1px solid #F0EEE9;
            border-radius: var(--radius-lg);
            padding: 28px 26px;
            height: 100%;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
            position: relative;
            overflow: hidden;
        }

        .guide-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--secondary);
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform 0.3s ease;
        }

        .guide-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .guide-card:hover::before {
            transform: scaleX(1);
        }

        .guide-card .card-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(31, 94, 91, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 18px;
        }

        .guide-card h3 {
            font-size: 19px;
            margin-bottom: 10px;
        }

        .guide-card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .guide-card .card-link {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .guide-card .card-link i {
            transition: transform 0.2s;
            font-size: 13px;
        }

        .guide-card .card-link:hover {
            color: var(--secondary);
        }

        .guide-card .card-link:hover i {
            transform: translateX(4px);
        }

        /* ---------- 适用场景 ---------- */
        .scenario-section {
            background: var(--primary-dark) url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
            position: relative;
            color: #fff;
        }

        .scenario-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(23, 62, 67, 0.94) 0%, rgba(31, 94, 91, 0.86) 100%);
        }

        .scenario-section>.container {
            position: relative;
            z-index: 2;
        }

        .scenario-section .section-head h2 {
            color: #fff;
        }

        .scenario-section .section-head p {
            color: rgba(255, 255, 255, 0.76);
        }

        .scenario-section .section-head .tag {
            background: rgba(255, 107, 53, 0.2);
            color: #FF8A5C;
        }

        .scenario-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            backdrop-filter: blur(8px);
            border-radius: var(--radius-lg);
            padding: 30px 28px;
            height: 100%;
            transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
        }

        .scenario-card:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(255, 255, 255, 0.3);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
        }

        .scenario-card .icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.2);
            color: #FF8A5C;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
        }

        .scenario-card h3 {
            color: #fff;
            font-size: 20px;
            margin-bottom: 12px;
        }

        .scenario-card p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            margin-bottom: 0;
            line-height: 1.8;
        }

        /* ---------- 流程步骤 ---------- */
        .process-section {
            background: var(--surface);
        }

        .step-item {
            text-align: center;
            padding: 28px 20px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            background: var(--bg);
            height: 100%;
            position: relative;
            transition: box-shadow 0.25s ease, border-color 0.25s ease;
        }

        .step-item:hover {
            box-shadow: var(--shadow-card);
            border-color: rgba(31, 94, 91, 0.3);
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 54px;
            height: 54px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-family: "Noto Serif SC", serif;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 18px;
            box-shadow: 0 4px 14px rgba(31, 94, 91, 0.3);
        }

        .step-item h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.8;
        }

        .step-arrow {
            position: absolute;
            right: -18px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--secondary);
            font-size: 18px;
            z-index: 2;
        }

        @media (max-width: 991px) {
            .step-arrow {
                display: none;
            }
        }

        /* ---------- 对比模块 ---------- */
        .compare-section {
            background: var(--bg);
        }

        .compare-card {
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            height: 100%;
            border: 1px solid var(--border);
            transition: box-shadow 0.25s ease;
        }

        .compare-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .compare-old {
            background: var(--surface);
        }

        .compare-old .compare-icon {
            background: rgba(112, 112, 107, 0.12);
            color: var(--text-muted);
        }

        .compare-new {
            background: var(--grad-dark);
            color: #fff;
            border-color: transparent;
        }

        .compare-new h3,
        .compare-new h4 {
            color: #fff;
        }

        .compare-new .compare-icon {
            background: rgba(255, 107, 53, 0.2);
            color: #FF8A5C;
        }

        .compare-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
        }

        .compare-card h3 {
            font-size: 20px;
            margin-bottom: 16px;
        }

        .compare-card ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .compare-card li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            padding: 9px 0;
            font-size: 15px;
            line-height: 1.7;
        }

        .compare-card li i {
            margin-top: 4px;
            font-size: 13px;
        }

        .compare-old li i {
            color: var(--text-muted);
        }

        .compare-new li {
            color: rgba(255, 255, 255, 0.9);
        }

        .compare-new li i {
            color: var(--secondary);
        }

        .compare-highlight {
            color: var(--secondary);
            font-weight: 700;
        }

        .compare-result {
            text-align: center;
            margin-top: 36px;
            font-size: 16px;
            color: var(--text-muted);
        }

        .compare-result a {
            margin-left: 10px;
        }

        /* ---------- FAQ ---------- */
        .faq-section {
            background: var(--bg-gray);
        }

        .accordion {
            max-width: 860px;
            margin: 0 auto;
            --bs-accordion-border-width: 0;
            --bs-accordion-border-radius: 0;
            --bs-accordion-inner-border-radius: 0;
            --bs-accordion-bg: transparent;
        }

        .accordion-item {
            background: var(--surface);
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-lg) !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
            transition: box-shadow 0.2s;
        }

        .accordion-item:hover {
            box-shadow: var(--shadow-card);
        }

        .accordion-button {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            background: var(--surface);
            box-shadow: none !important;
            border-radius: var(--radius-lg) !important;
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 4px rgba(31, 94, 91, 0.12) !important;
        }

        .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: rgba(31, 94, 91, 0.04);
        }

        .accordion-button::after {
            display: none;
        }

        .accordion-icon {
            position: relative;
            width: 22px;
            height: 22px;
            flex-shrink: 0;
            border-radius: 6px;
            background: rgba(31, 94, 91, 0.08);
        }

        .accordion-icon::before,
        .accordion-icon::after {
            content: "";
            position: absolute;
            background: var(--primary);
            transition: transform 0.3s ease, background 0.3s ease;
        }

        .accordion-icon::before {
            width: 12px;
            height: 2px;
            top: 10px;
            left: 5px;
        }

        .accordion-icon::after {
            width: 2px;
            height: 12px;
            top: 5px;
            left: 10px;
        }

        .accordion-button:not(.collapsed) .accordion-icon {
            background: rgba(255, 107, 53, 0.14);
        }

        .accordion-button:not(.collapsed) .accordion-icon::after {
            transform: rotate(90deg);
            opacity: 0;
        }

        .accordion-button:not(.collapsed) .accordion-icon::before {
            background: var(--secondary);
        }

        .accordion-body {
            padding: 6px 22px 24px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            border-top: 1px solid #F4F1EC;
        }

        /* ---------- CTA 横幅 ---------- */
        .cta-banner {
            background: var(--grad-dark);
            border-radius: 24px;
            margin: 72px 24px;
            padding: 56px 48px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(23, 62, 67, 0.28);
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            right: -60px;
            top: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.15);
        }

        .cta-banner::after {
            content: "";
            position: absolute;
            left: 30%;
            bottom: -80px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
        }

        .cta-banner h2 {
            color: #fff;
            font-size: 30px;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-banner p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 640px;
        }

        .cta-banner .btn {
            position: relative;
            z-index: 1;
        }

        .btn-white-secondary {
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            border: none;
        }

        .btn-white-secondary:hover {
            background: var(--secondary);
            color: #fff;
            box-shadow: 0 6px 18px rgba(255, 107, 53, 0.32);
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: #1A1F1E;
            color: #A8A8A3;
            padding: 68px 0 0;
            font-size: 14px;
            line-height: 1.8;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 16px;
            font-family: "Noto Sans SC", sans-serif;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.06em;
        }

        .site-footer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .site-footer ul li {
            margin-bottom: 10px;
        }

        .site-footer a {
            color: #A8A8A3;
        }

        .site-footer a:hover {
            color: var(--secondary);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-desc {
            color: #8C8C87;
            font-size: 14px;
            line-height: 1.85;
            max-width: 300px;
        }

        .footer-contact li {
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .footer-contact i {
            color: var(--secondary);
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 48px;
            padding: 22px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
            font-size: 13px;
            color: #8C8C87;
        }

        .footer-bottom p {
            margin: 0;
        }

        .footer-bottom a {
            color: #8C8C87;
        }

        .footer-bottom a:hover {
            color: var(--secondary);
        }

        /* ---------- 响应式 ---------- */
        @media (max-width: 991px) {
            .site-header .navbar {
                min-height: 64px;
            }

            .navbar-collapse {
                background: rgba(255, 255, 255, 0.92);
                backdrop-filter: blur(20px);
                border-radius: 0 0 16px 16px;
                padding: 12px 20px 20px;
                margin: 0 -24px;
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
            }

            .navbar-nav {
                gap: 2px;
                margin: 8px 0 12px !important;
            }

            .nav-item .nav-link {
                padding: 12px 16px !important;
                font-size: 16px;
            }

            .nav-actions {
                width: 100%;
            }

            .nav-actions .btn {
                width: 100%;
                padding: 12px;
            }

            .page-hero {
                padding: 140px 0 70px;
            }

            .step-arrow {
                display: none;
            }

            .cta-banner {
                margin: 56px 16px;
                padding: 40px 28px;
            }
        }

        @media (max-width: 767px) {
            .section-pad {
                padding: 52px 0;
            }

            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .page-hero {
                padding: 124px 0 60px;
            }

            .page-hero h1 {
                font-size: 30px;
            }

            .page-hero .lead {
                font-size: 16px;
            }

            .hero-badges {
                gap: 8px;
            }

            .hero-badges .badge-item {
                padding: 6px 14px;
                font-size: 13px;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .section-head {
                margin-bottom: 34px;
            }

            .intro-title {
                font-size: 24px;
            }

            .btn-lg {
                width: 100%;
                text-align: center;
            }

            .page-hero .btn {
                width: 100%;
                text-align: center;
                margin-bottom: 10px;
            }

            .page-hero .btn+.btn {
                margin-left: 0 !important;
            }

            .compare-card {
                padding: 28px 22px;
            }

            .cta-banner {
                padding: 36px 22px;
                border-radius: 18px;
            }

            .cta-banner h2 {
                font-size: 24px;
            }

            .cta-banner .btn {
                width: 100%;
                margin-bottom: 10px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .brand-main {
                font-size: 15px;
            }

            .brand-sub {
                font-size: 11px;
            }

            .navbar-toggler {
                padding: 4px 8px;
            }

            .guide-card {
                padding: 22px 20px;
            }

            .accordion-button {
                font-size: 15px;
                padding: 16px 16px;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #1F5E5B;
  --primary-dark: #173E43;
  --secondary: #FF6B35;
  --secondary-hover: #FF8552;
  --bg-warm: #FAF7F2;
  --bg-gray: #F0EEE9;
  --surface: #FFFFFF;
  --border: #E5E1DA;
  --text: #1C1C1A;
  --text-muted: #70706B;
  --radius-lg: 16px;
  --radius-md: 8px;
  --radius-sm: 4px;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-hover: 0 8px 32px rgba(0,0,0,0.12);
  --section-pad: 72px;
  --section-pad-mobile: 48px;
  --header-height: 72px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg-warm);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--secondary);
}

h1, h2, h3, h4, h5 {
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
}

h1 {
  font-size: 40px;
}

h2 {
  font-size: 32px;
}

h3 {
  font-size: 20px;
}

p {
  margin-bottom: 1rem;
  color: var(--text);
}

.btn {
  border-radius: var(--radius-md);
  font-weight: 600;
  padding: 12px 28px;
  transition: all 0.25s ease;
  font-size: 15px;
  line-height: 1.5;
}

.btn:focus,
.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(31, 94, 91, 0.22);
}

.btn-primary {
  background: var(--secondary);
  border-color: var(--secondary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--secondary-hover);
  border-color: var(--secondary-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(255, 107, 53, 0.28);
  color: #fff;
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn-outline-light {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.75);
  color: #fff;
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #fff;
  color: #fff;
  transform: translateY(-1px);
}

.btn-light {
  background: #fff;
  border-color: #fff;
  color: var(--secondary);
}

.btn-light:hover {
  background: var(--bg-warm);
  border-color: var(--bg-warm);
  color: var(--secondary-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

.section-pad {
  padding: var(--section-pad) 0;
}

.container {
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
}

.section-head {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-head .section-tag {
  display: inline-block;
  background: rgba(31, 94, 91, 0.1);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 6px 16px;
  border-radius: 30px;
  margin-bottom: 14px;
}

.section-head h2 {
  margin-bottom: 12px;
  font-size: 32px;
}

.section-head p {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.8;
}

/* Header */
.site-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

.site-header .navbar {
  padding: 12px 0;
  background: rgba(23, 62, 67, 0.28);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled .navbar {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0;
}

.navbar-brand .brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  box-shadow: 0 4px 12px rgba(31, 94, 91, 0.28);
}

.navbar-brand .brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.navbar-brand .brand-main {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  font-family: "Noto Serif SC", serif;
  transition: color 0.3s;
}

.navbar-brand .brand-sub {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 2px;
  transition: color 0.3s;
}

.site-header.scrolled .navbar-brand .brand-main {
  color: var(--text);
}

.site-header.scrolled .navbar-brand .brand-sub {
  color: var(--secondary);
}

.navbar-nav {
  gap: 4px;
}

.navbar-nav .nav-item .nav-link {
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  padding: 8px 18px;
  border-radius: 6px;
  position: relative;
  transition: color 0.2s, background 0.2s;
}

.navbar-nav .nav-item .nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.navbar-nav .nav-item .nav-link.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.16);
}

.navbar-nav .nav-item .nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 18px;
  right: 18px;
  height: 2px;
  background: var(--secondary);
  border-radius: 2px;
}

.site-header.scrolled .navbar-nav .nav-item .nav-link {
  color: var(--text);
}

.site-header.scrolled .navbar-nav .nav-item .nav-link:hover {
  color: var(--primary);
  background: rgba(31, 94, 91, 0.06);
}

.site-header.scrolled .navbar-nav .nav-item .nav-link.active {
  color: var(--primary);
  background: rgba(31, 94, 91, 0.08);
}

.site-header.scrolled .navbar-nav .nav-item .nav-link.active::after {
  background: var(--secondary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-cta {
  padding: 8px 22px;
  font-size: 14px;
  border-radius: 8px;
  background: var(--secondary);
  color: #fff;
  border: 0;
  font-weight: 600;
}

.nav-cta:hover {
  background: var(--secondary-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.3);
}

.navbar-toggler {
  border: none;
  padding: 6px;
}

.navbar-toggler:focus {
  box-shadow: none;
  border: none;
}

.navbar-toggler-icon {
  background-image: none;
  position: relative;
  width: 24px;
  height: 20px;
  display: block;
}

.navbar-toggler-icon::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--text);
  box-shadow: 0 8px 0 var(--text), 0 16px 0 var(--text);
}

.site-header .navbar-toggler-icon::before {
  background: #fff;
  box-shadow: 0 8px 0 #fff, 0 16px 0 #fff;
}

.site-header.scrolled .navbar-toggler-icon::before {
  background: var(--text);
  box-shadow: 0 8px 0 var(--text), 0 16px 0 var(--text);
}

/* Page Hero */
.page-hero {
  position: relative;
  min-height: 44vh;
  padding: 160px 0 72px;
  background: linear-gradient(120deg, rgba(23, 62, 67, 0.86) 0%, rgba(23, 62, 67, 0.52) 100%),
              url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
  color: #fff;
  display: flex;
  align-items: flex-end;
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.breadcrumb-custom {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.breadcrumb-custom a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
}

.breadcrumb-custom a:hover {
  color: var(--secondary);
}

.breadcrumb-custom span {
  color: rgba(255, 255, 255, 0.5);
}

.page-hero h1 {
  color: #fff;
  font-size: 42px;
  line-height: 1.3;
  margin: 0 0 14px;
  font-weight: 800;
}

.page-hero h1 .hero-h1-sub {
  font-size: 24px;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 400;
  display: block;
}

.hero-lead {
  color: rgba(255, 255, 255, 0.85);
  font-size: 17px;
  line-height: 1.8;
  max-width: 640px;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 32px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-badges .badge-item {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 30px;
  padding: 6px 16px;
  font-size: 13px;
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  backdrop-filter: blur(6px);
}

.hero-badges .badge-item i {
  font-size: 12px;
  color: var(--secondary);
}

/* Core Features */
.core-features {
  background: var(--bg-warm);
}

.feature-card {
  background: var(--surface);
  border: 1px solid #F0EEE9;
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  height: 100%;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.3s ease, transform 0.2s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--secondary);
  opacity: 0;
  transition: opacity 0.3s;
}

.feature-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

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

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(31, 94, 91, 0.12), rgba(31, 94, 91, 0.06));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--primary);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 0;
}

/* Feature Detail */
.feature-detail {
  background: var(--surface);
}

.detail-block {
  display: flex;
  align-items: center;
  gap: 48px;
  margin-bottom: 72px;
}

.detail-block:last-child {
  margin-bottom: 0;
}

.detail-block.reverse {
  flex-direction: row-reverse;
}

.detail-media {
  flex: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.detail-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.detail-media:hover img {
  transform: scale(1.03);
}

.detail-content {
  flex: 1;
}

.detail-content .detail-tag {
  font-size: 13px;
  color: var(--secondary);
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.detail-content h2 {
  font-size: 28px;
  margin-bottom: 16px;
}

.detail-content p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.85;
  margin-bottom: 18px;
}

.detail-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}

.detail-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 7px 0;
  font-size: 15px;
  color: var(--text);
}

.detail-list li i {
  color: var(--primary);
  margin-top: 4px;
  font-size: 14px;
}

.detail-link {
  font-weight: 600;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
}

.detail-link i {
  transition: transform 0.2s;
}

.detail-link:hover i {
  transform: translateX(4px);
}

/* Process */
.process-section {
  background: var(--bg-gray);
}

.step-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  height: 100%;
  text-align: center;
  box-shadow: var(--shadow-card);
  border: 1px solid transparent;
  transition: box-shadow 0.3s, border-color 0.3s, transform 0.2s;
}

.step-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: rgba(31, 94, 91, 0.18);
  transform: translateY(-3px);
}

.step-num {
  display: flex;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 6px 18px rgba(31, 94, 91, 0.25);
}

.step-card h3 {
  font-size: 17px;
  margin-bottom: 10px;
}

.step-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 0;
  line-height: 1.7;
}

/* Scenario */
.scenario-section {
  background: var(--bg-warm);
}

.scenario-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  height: 100%;
  border: 1px solid #F0EEE9;
  transition: box-shadow 0.3s, transform 0.2s;
}

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

.scenario-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.scenario-body {
  padding: 24px;
}

.scenario-body h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.scenario-body p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 14px;
  line-height: 1.7;
}

.scenario-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--primary);
  font-weight: 500;
}

.scenario-meta i {
  font-size: 12px;
  transition: transform 0.2s;
}

.scenario-card:hover .scenario-meta i {
  transform: translateX(4px);
}

/* FAQ */
.faq-section {
  background: var(--bg-gray);
}

.custom-accordion {
  max-width: 820px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow-card);
}

.accordion-item {
  border: none;
  border-bottom: 1px solid var(--border);
  background: transparent;
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-button {
  background: var(--surface);
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  padding: 18px 20px;
  box-shadow: none;
  border: none;
  border-radius: 0 !important;
  font-family: "Noto Sans SC", sans-serif;
}

.accordion-button::after {
  display: none;
}

.accordion-button .faq-plus {
  margin-left: auto;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--primary);
  background: rgba(31, 94, 91, 0.1);
  border-radius: 50%;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.accordion-button:not(.collapsed) .faq-plus {
  transform: rotate(45deg);
  color: #fff;
  background: var(--primary);
}

.accordion-button:not(.collapsed) {
  color: var(--primary);
  background: var(--surface);
  box-shadow: none;
}

.accordion-button:focus {
  box-shadow: none;
  outline: none;
}

.accordion-button:hover {
  background: rgba(31, 94, 91, 0.03);
}

.accordion-body {
  padding: 0 20px 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-muted);
  background: var(--surface);
  border-top: none;
}

/* CTA */
.cta-section {
  background: var(--primary);
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -80px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}

.cta-section::after {
  content: "";
  position: absolute;
  bottom: -100px;
  left: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(255, 107, 53, 0.12);
}

.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  color: #fff;
}

.cta-inner h2 {
  color: #fff;
  font-size: 30px;
  margin-bottom: 14px;
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
  margin-bottom: 28px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* Footer */
.site-footer {
  background: #141F1E;
  color: #A8A8A3;
  padding: 64px 0 0;
  font-size: 14px;
}

.site-footer .footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.site-footer .footer-brand .brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 15px;
}

.site-footer .footer-brand .brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.site-footer .footer-brand .brand-main {
  font-weight: 700;
  color: #fff;
  font-family: "Noto Serif SC", serif;
  font-size: 16px;
}

.site-footer .footer-brand .brand-sub {
  color: var(--secondary);
  font-size: 12px;
  letter-spacing: 2px;
}

.footer-desc {
  color: #888;
  font-size: 13px;
  line-height: 1.8;
  margin-bottom: 20px;
}

.site-footer h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 18px;
  font-family: "Noto Sans SC", sans-serif;
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer ul li {
  padding: 4px 0;
}

.site-footer ul li a {
  color: #A8A8A3;
  font-size: 14px;
  transition: color 0.2s, padding-left 0.2s;
}

.site-footer ul li a:hover {
  color: var(--secondary);
  padding-left: 4px;
  text-decoration: none;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  padding: 6px 0;
}

.footer-contact li i {
  color: var(--secondary);
  width: 16px;
  text-align: center;
  font-size: 13px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 48px;
  padding: 18px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  color: #777;
  font-size: 13px;
}

.footer-bottom p {
  margin: 0;
  color: #777;
}

.footer-bottom a {
  color: #888;
}

.footer-bottom a:hover {
  color: var(--secondary);
}

/* Responsive */
@media (max-width: 991px) {
  .navbar-collapse {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: 16px;
    margin-top: 12px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
    border: 1px solid var(--border);
  }

  .navbar-nav {
    gap: 0;
    margin: 0 0 12px;
  }

  .navbar-nav .nav-item .nav-link {
    color: var(--text) !important;
    padding: 12px 16px;
    border-radius: 8px;
  }

  .navbar-nav .nav-item .nav-link:hover {
    background: rgba(31, 94, 91, 0.06);
  }

  .navbar-nav .nav-item .nav-link.active {
    background: rgba(31, 94, 91, 0.08);
    color: var(--primary) !important;
  }

  .nav-actions {
    display: flex;
    padding: 4px 0;
  }

  .nav-cta {
    width: 100%;
    text-align: center;
  }

  .detail-block {
    flex-direction: column !important;
    gap: 32px;
  }

  .page-hero {
    padding: 130px 0 56px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 767px) {
  :root {
    --section-pad: 48px;
  }

  h1 {
    font-size: 28px;
  }

  .page-hero h1 {
    font-size: 30px;
  }

  .page-hero h1 .hero-h1-sub {
    font-size: 17px;
  }

  .section-head h2 {
    font-size: 24px;
  }

  .detail-content h2 {
    font-size: 22px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .cta-actions {
    flex-direction: column;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .btn {
    min-height: 44px;
  }

  .site-footer {
    padding-top: 48px;
  }
}

@media (max-width: 520px) {
  .page-hero h1 {
    font-size: 26px;
  }

  .hero-lead {
    font-size: 15px;
  }

  .feature-card {
    padding: 24px 18px;
  }

  .step-card {
    padding: 24px 18px;
  }

  .scenario-body {
    padding: 18px;
  }

  .accordion-button {
    font-size: 15px;
    padding: 16px;
  }

  .accordion-body {
    font-size: 14px;
  }
}

/* roulang page: category3 */
:root {
            --primary: #1F5E5B;
            --primary-dark: #173E43;
            --secondary: #FF6B35;
            --secondary-hover: #FF8552;
            --bg-warm: #FAF7F2;
            --bg-gray: #F0EEE9;
            --surface: #FFFFFF;
            --border: #E5E1DA;
            --text: #1C1C1A;
            --text-muted: #70706B;
            --radius-lg: 16px;
            --radius-md: 8px;
            --radius-sm: 4px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.12);
            --spacing-section: 72px;
            --spacing-mobile: 48px;
            --font-serif: 'Noto Serif SC', 'Noto Sans SC', serif;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-warm);
            color: var(--text);
            line-height: 1.8;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--secondary);
        }

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

        .container {
            max-width: 1240px;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, 0.55);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.08);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }

        .navbar {
            padding-top: 0;
            padding-bottom: 0;
            min-height: 72px;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin-right: auto;
        }

        .brand-icon {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 17px;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(31, 94, 91, 0.25);
        }

        .brand-text {
            display: inline-flex;
            flex-direction: column;
            line-height: 1.25;
        }

        .brand-main {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 18px;
            color: var(--text);
            letter-spacing: 0.5px;
        }

        .brand-sub {
            font-size: 12px;
            font-weight: 500;
            color: var(--secondary);
            letter-spacing: 2px;
        }

        .navbar-toggler {
            border: 1px solid rgba(0, 0, 0, 0.12);
            border-radius: var(--radius-md);
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 4px rgba(31, 94, 91, 0.15);
            outline: none;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(28,28,26,0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .navbar-nav {
            gap: 4px;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 10px 16px !important;
            border-radius: var(--radius-md);
            position: relative;
            transition: color 0.2s ease, background 0.2s ease;
        }

        .nav-link:hover,
        .nav-link:focus {
            color: var(--primary);
            background: rgba(31, 94, 91, 0.06);
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-cta.btn {
            background: var(--secondary);
            color: #fff;
            border: none;
            border-radius: var(--radius-md);
            padding: 9px 22px;
            font-size: 14px;
            font-weight: 600;
            transition: all 0.25s ease;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.25);
        }

        .nav-cta.btn:hover,
        .nav-cta.btn:focus {
            background: var(--secondary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.35);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-md);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.5;
            transition: all 0.25s ease;
            border: none;
        }

        .btn-primary-custom {
            background: var(--secondary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.3);
        }

        .btn-primary-custom:hover,
        .btn-primary-custom:focus {
            background: var(--secondary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 107, 53, 0.4);
        }

        .btn-outline-custom {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline-custom:hover,
        .btn-outline-custom:focus {
            background: rgba(31, 94, 91, 0.08);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(31, 94, 91, 0.12);
        }

        .btn-white-custom {
            background: #fff;
            color: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        }

        .btn-white-custom:hover,
        .btn-white-custom:focus {
            background: var(--bg-warm);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }

        .section {
            padding: var(--spacing-section) 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--secondary);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text);
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.8;
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            background: linear-gradient(110deg, rgba(23, 62, 67, 0.92) 30%, rgba(23, 62, 67, 0.65)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 160px 0 90px;
            color: #fff;
            min-height: 480px;
            display: flex;
            align-items: center;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, rgba(250, 247, 242, 1), transparent);
        }

        .page-hero .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 18px;
            list-style: none;
            padding: 0;
        }

        .page-hero .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color 0.2s;
        }

        .page-hero .breadcrumb a:hover {
            color: var(--secondary);
        }

        .page-hero .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 100px;
            padding: 6px 18px;
            font-size: 13px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.95);
            margin-bottom: 18px;
            backdrop-filter: blur(8px);
        }

        .page-hero h1 {
            font-family: var(--font-serif);
            font-size: 42px;
            font-weight: 900;
            line-height: 1.35;
            margin-bottom: 18px;
            color: #fff;
            letter-spacing: 1px;
        }

        .page-hero .hero-sub {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 36px;
        }

        .hero-trust .trust-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 100px;
            padding: 6px 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(8px);
        }

        .hero-trust .trust-item i {
            color: var(--secondary);
        }

        /* ===== Safe Points ===== */
        .safe-points {
            background: var(--bg-warm);
            padding: 72px 0 40px;
        }

        .safe-point-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            height: 100%;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            position: relative;
            overflow: hidden;
        }

        .safe-point-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--secondary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.35s ease;
        }

        .safe-point-card:hover::before {
            transform: scaleX(1);
        }

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

        .point-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(31, 94, 91, 0.1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .safe-point-card .point-num {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .safe-point-card .point-label {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-top: 4px;
        }

        .safe-point-card .point-desc {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 8px;
            line-height: 1.7;
        }

        /* ===== Safe Cards ===== */
        .safe-cards-section {
            background: var(--bg-gray);
            padding: var(--spacing-section) 0;
        }

        .safe-feature-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            height: 100%;
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
        }

        .safe-feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(31, 94, 91, 0.3);
        }

        .safe-feature-card .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 18px;
            box-shadow: 0 6px 16px rgba(31, 94, 91, 0.25);
        }

        .safe-feature-card h3 {
            font-family: var(--font-serif);
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }

        .safe-feature-card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 14px;
        }

        .safe-feature-card .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .safe-feature-card .card-link i {
            transition: transform 0.2s ease;
        }

        .safe-feature-card .card-link:hover {
            color: var(--secondary);
        }

        .safe-feature-card .card-link:hover i {
            transform: translateX(4px);
        }

        /* ===== Scenario ===== */
        .scenario-section {
            background: var(--bg-warm);
            padding: var(--spacing-section) 0;
        }

        .scenario-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            height: 100%;
            min-height: 360px;
            position: relative;
        }

        .scenario-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .scenario-image::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(20deg, rgba(31, 94, 91, 0.15), transparent 50%);
            border-radius: var(--radius-lg);
        }

        .scenario-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
            margin-top: 20px;
        }

        .scenario-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }

        .scenario-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .scenario-item .item-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(255, 107, 53, 0.12);
            color: var(--secondary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .scenario-item h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }

        .scenario-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Process ===== */
        .process-section {
            background: var(--primary-dark);
            padding: var(--spacing-section) 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .process-section::before {
            content: "";
            position: absolute;
            top: -100px;
            right: -100px;
            width: 360px;
            height: 360px;
            background: rgba(255, 107, 53, 0.08);
            border-radius: 50%;
        }

        .process-section .section-title {
            color: #fff;
        }

        .process-section .section-desc {
            color: rgba(255, 255, 255, 0.75);
        }

        .process-section .section-label {
            color: var(--secondary);
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 24px;
            margin-top: 48px;
            position: relative;
            z-index: 2;
        }

        .process-step {
            text-align: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 32px 20px;
            transition: background 0.25s ease, transform 0.25s ease;
        }

        .process-step:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }

        .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--secondary);
            color: #fff;
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 0 0 6px rgba(255, 107, 53, 0.2);
        }

        .process-step h4 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 10px;
            font-family: var(--font-serif);
        }

        .process-step p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Compare ===== */
        .compare-section {
            background: var(--bg-gray);
            padding: var(--spacing-section) 0;
        }

        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            margin-top: 40px;
            align-items: stretch;
        }

        .compare-card {
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            height: 100%;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .compare-card.weak {
            background: var(--bg-warm);
            border: 1px solid var(--border);
            color: var(--text);
        }

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

        .compare-card.strong {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 12px 40px rgba(31, 94, 91, 0.3);
            position: relative;
            overflow: hidden;
        }

        .compare-card.strong::after {
            content: "";
            position: absolute;
            bottom: -60px;
            right: -60px;
            width: 160px;
            height: 160px;
            background: rgba(255, 107, 53, 0.2);
            border-radius: 50%;
        }

        .compare-card .compare-title {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .compare-card.weak .compare-title {
            color: var(--text);
        }

        .compare-card.strong .compare-title {
            color: #fff;
        }

        .compare-list {
            list-style: none;
            padding: 0;
            margin: 0;
            position: relative;
            z-index: 1;
        }

        .compare-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding: 10px 0;
            font-size: 15px;
            line-height: 1.7;
        }

        .compare-list li i {
            margin-top: 6px;
            font-size: 14px;
            flex-shrink: 0;
        }

        .compare-card.weak .compare-list li i {
            color: #B0ACA5;
        }

        .compare-card.strong .compare-list li i {
            color: var(--secondary);
        }

        .compare-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            padding: 4px 12px;
            border-radius: 100px;
            margin-bottom: 12px;
        }

        .compare-badge.weak {
            background: rgba(0, 0, 0, 0.05);
            color: var(--text-muted);
        }

        .compare-badge.strong {
            background: rgba(255, 107, 53, 0.25);
            color: #fff;
        }

        .compare-note {
            text-align: center;
            margin-top: 28px;
            font-size: 15px;
            color: var(--text-muted);
        }

        .compare-note a {
            font-weight: 600;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-warm);
            padding: var(--spacing-section) 0;
        }

        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 40px 48px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            margin-top: 40px;
        }

        .accordion-item {
            border: 0;
            background: transparent;
            border-radius: 0 !important;
            border-bottom: 1px solid var(--border);
        }

        .accordion-item:last-child {
            border-bottom: 0;
        }

        .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            background: transparent;
            padding: 18px 16px;
            box-shadow: none;
            border-radius: 0 !important;
            position: relative;
            transition: color 0.2s ease;
        }

        .accordion-button::after {
            content: "\2b";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            background-image: none;
            font-size: 18px;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            transform: rotate(0deg);
            transition: transform 0.3s ease;
            border-radius: 50%;
            background-color: rgba(31, 94, 91, 0.08);
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            background-image: none;
            color: var(--secondary);
            background-color: rgba(255, 107, 53, 0.12);
        }

        .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: transparent;
            box-shadow: none;
        }

        .accordion-button:focus,
        .accordion-button:focus-visible {
            box-shadow: 0 0 0 4px rgba(31, 94, 91, 0.12);
            outline: none;
            z-index: 1;
        }

        .accordion-body {
            padding: 0 16px 22px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.85;
        }

        /* ===== CTA ===== */
        .cta-banner {
            background: linear-gradient(115deg, var(--primary-dark) 20%, var(--primary) 70%);
            padding: 88px 0;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            top: -80px;
            left: -80px;
            width: 280px;
            height: 280px;
            background: rgba(255, 107, 53, 0.15);
            border-radius: 50%;
        }

        .cta-banner::after {
            content: "";
            position: absolute;
            bottom: -120px;
            right: -80px;
            width: 360px;
            height: 360px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
        }

        .cta-banner .container {
            position: relative;
            z-index: 2;
        }

        .cta-banner h2 {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .cta-banner p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        .cta-banner .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        .cta-banner .btn-white-custom {
            background: var(--secondary);
            color: #fff;
            box-shadow: 0 6px 24px rgba(255, 107, 53, 0.4);
        }

        .cta-banner .btn-white-custom:hover,
        .cta-banner .btn-white-custom:focus {
            background: var(--secondary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(255, 107, 53, 0.5);
        }

        .cta-banner .btn-outline-light {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.7);
            color: #fff;
        }

        .cta-banner .btn-outline-light:hover,
        .cta-banner .btn-outline-light:focus {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1C1C1A;
            color: #A8A8A3;
            padding: 72px 0 0;
            font-size: 15px;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand .brand-icon {
            background: var(--primary);
            width: 36px;
            height: 36px;
            font-size: 16px;
        }

        .site-footer .footer-brand .brand-main {
            color: #fff;
            font-family: var(--font-serif);
        }

        .site-footer .footer-brand .brand-sub {
            color: var(--secondary);
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: #A8A8A3;
            margin-top: 12px;
            max-width: 300px;
        }

        .site-footer h4 {
            font-family: var(--font-serif);
            font-size: 17px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }

        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer ul li {
            margin-bottom: 10px;
        }

        .site-footer ul a {
            color: #A8A8A3;
            font-size: 14px;
            transition: color 0.2s, padding-left 0.2s;
        }

        .site-footer ul a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: #A8A8A3;
        }

        .footer-contact li i {
            color: var(--secondary);
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 48px;
            padding: 22px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px;
            font-size: 13px;
            color: #888;
        }

        .footer-bottom a {
            color: #888;
        }

        .footer-bottom a:hover {
            color: var(--secondary);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199px) {
            .process-steps {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 991px) {
            :root {
                --spacing-section: 56px;
            }

            .navbar-nav {
                padding: 12px 0;
                gap: 2px;
            }

            .nav-link {
                padding: 14px 16px !important;
                text-align: center;
                border-radius: var(--radius-md);
            }

            .nav-link.active::after {
                bottom: auto;
                left: 16px;
                right: auto;
                width: 40px;
                height: 2px;
                top: auto;
            }

            .nav-actions {
                justify-content: center;
                padding: 12px 0 16px;
            }

            .nav-cta.btn {
                width: 100%;
                padding: 12px;
            }

            .page-hero {
                padding: 140px 0 70px;
                min-height: 420px;
            }

            .page-hero h1 {
                font-size: 32px;
            }

            .page-hero .hero-sub {
                font-size: 16px;
            }

            .scenario-image {
                min-height: 280px;
                margin-bottom: 24px;
            }

            .compare-grid {
                grid-template-columns: 1fr;
            }

            .faq-wrap {
                padding: 28px 24px;
            }

            .site-footer .col-lg-3 {
                margin-bottom: 32px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --spacing-section: 48px;
            }

            .section-title {
                font-size: 24px;
            }

            .page-hero h1 {
                font-size: 26px;
            }

            .page-hero .hero-sub {
                font-size: 15px;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .process-steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .process-step {
                padding: 24px 16px;
            }

            .safe-point-card {
                padding: 22px 18px;
            }

            .safe-feature-card {
                padding: 22px 18px;
            }

            .compare-card {
                padding: 28px 20px;
            }

            .cta-banner {
                padding: 60px 0;
            }

            .cta-banner h2 {
                font-size: 24px;
            }

            .cta-banner p {
                font-size: 15px;
            }

            .cta-banner .cta-actions .btn {
                width: 100%;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .page-hero {
                padding: 120px 0 56px;
            }

            .brand-main {
                font-size: 16px;
            }

            .brand-sub {
                font-size: 11px;
            }

            .scenario-image {
                min-height: 220px;
            }

            .scenario-item {
                flex-direction: column;
            }
        }

        .btn:focus-visible,
        .nav-link:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }

/* roulang page: category4 */
:root {
            --primary: #1F5E5B;
            --primary-dark: #173E43;
            --secondary: #FF6B35;
            --bg-warm: #FAF7F2;
            --bg-light: #F0EEE9;
            --surface: #FFFFFF;
            --border: #E5E1DA;
            --text: #1C1C1A;
            --text-muted: #70706B;
            --radius-lg: 16px;
            --radius-md: 8px;
            --radius-sm: 4px;
            --shadow-sm: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --spacer: 72px;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', serif;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --transition: 0.2s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg-warm);
            overflow-x: hidden;
            margin: 0;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--secondary);
        }

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

        p {
            margin-bottom: 1.2rem;
            line-height: 1.8;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-serif);
            font-weight: 700;
            line-height: 1.4;
            color: var(--text);
            margin-bottom: 0.8rem;
        }

        h1 {
            font-size: 44px;
            letter-spacing: 0.01em;
        }

        h2 {
            font-size: 32px;
            margin-bottom: 1.2rem;
        }

        h3 {
            font-size: 20px;
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Buttons ===== */
        .btn {
            border-radius: var(--radius-md);
            font-family: var(--font-sans);
            font-weight: 600;
            padding: 12px 28px;
            transition: all 0.2s ease;
            border: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn-primary-custom {
            background: var(--secondary);
            color: #fff;
        }

        .btn-primary-custom:hover {
            background: #ff8552;
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.3);
        }

        .btn-outline-primary-custom {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline-primary-custom:hover {
            background: rgba(31, 94, 91, 0.08);
            color: var(--primary-dark);
        }

        .btn-white {
            background: #fff;
            color: var(--secondary);
            font-weight: 700;
        }

        .btn-white:hover {
            background: #f5f0ea;
            color: var(--secondary);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(255, 255, 255, 0.2);
        }

        .btn:focus,
        .btn:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(31, 94, 91, 0.25);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.55);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.08);
            transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            border-bottom: 1px solid transparent;
        }

        .site-header .navbar {
            min-height: 72px;
            padding-top: 0;
            padding-bottom: 0;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding-top: 0;
            padding-bottom: 0;
        }

        .brand-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 18px;
            flex-shrink: 0;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .brand-main {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 900;
            color: var(--text);
            letter-spacing: 0.02em;
        }

        .brand-sub {
            font-size: 12px;
            color: var(--secondary);
            font-weight: 500;
            letter-spacing: 0.08em;
        }

        .site-header .navbar-nav {
            gap: 4px;
        }

        .site-header .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 8px 16px;
            border-radius: 6px;
            position: relative;
            transition: color 0.2s ease, background 0.2s ease;
        }

        .site-header .nav-link:hover {
            color: var(--primary);
            background: rgba(31, 94, 91, 0.06);
        }

        .site-header .nav-link.active {
            color: var(--primary);
            font-weight: 700;
        }

        .site-header .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--secondary);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-cta {
            background: var(--secondary);
            color: #fff;
            padding: 8px 22px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 600;
            border: none;
            transition: all 0.2s ease;
        }

        .nav-cta:hover {
            background: #ff8552;
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.3);
        }

        .navbar-toggler {
            border: none;
            padding: 4px 8px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid rgba(31, 94, 91, 0.3);
            border-radius: 6px;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(28,28,26,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            min-height: 40vh;
            display: flex;
            align-items: center;
            padding: 140px 0 60px;
            background: linear-gradient(90deg, rgba(0, 0, 0, 0.72) 0%, rgba(0, 0, 0, 0.35) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            color: #fff;
        }

        .page-hero .breadcrumb {
            background: transparent;
            padding: 0;
            margin-bottom: 16px;
            font-size: 14px;
        }

        .page-hero .breadcrumb-item a {
            color: rgba(255, 255, 255, 0.75);
        }

        .page-hero .breadcrumb-item a:hover {
            color: var(--secondary);
        }

        .page-hero .breadcrumb-item.active {
            color: rgba(255, 255, 255, 0.95);
        }

        .breadcrumb-item+.breadcrumb-item::before {
            color: rgba(255, 255, 255, 0.5);
        }

        .category-badge {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .page-hero h1 {
            color: #fff;
            font-size: 42px;
            font-weight: 900;
            max-width: 900px;
            margin-bottom: 16px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }

        .page-hero .hero-desc {
            color: rgba(255, 255, 255, 0.88);
            font-size: 18px;
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        /* ===== FAQ Categories ===== */
        .faq-cats {
            padding: var(--spacer) 0;
            background: var(--bg-warm);
        }

        .section-head {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-head h2 {
            position: relative;
            display: inline-block;
            padding-bottom: 14px;
        }

        .section-head h2::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 0;
            transform: translateX(-50%);
            width: 48px;
            height: 3px;
            background: var(--secondary);
            border-radius: 2px;
        }

        .section-head p {
            color: var(--text-muted);
            max-width: 640px;
            margin: 12px auto 0;
            font-size: 15px;
        }

        .faq-cat-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 28px 24px;
            height: 100%;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .faq-cat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--secondary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
        }

        .faq-cat-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: rgba(31, 94, 91, 0.2);
            transform: translateY(-2px);
        }

        .faq-cat-card:hover::before {
            transform: scaleX(1);
        }

        .faq-cat-card .cat-icon {
            width: 52px;
            height: 52px;
            background: rgba(31, 94, 91, 0.1);
            color: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 18px;
            transition: background 0.3s ease, color 0.3s ease;
        }

        .faq-cat-card:hover .cat-icon {
            background: var(--primary);
            color: #fff;
        }

        .faq-cat-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .faq-cat-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .faq-cat-card a {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .faq-cat-card a i {
            transition: transform 0.2s ease;
        }

        .faq-cat-card a:hover i {
            transform: translateX(4px);
            color: var(--secondary);
        }

        /* ===== FAQ Accordion ===== */
        .faq-accordion-section {
            padding: var(--spacer) 0;
            background: var(--surface);
        }

        .faq-accordion-section .section-head h2 {
            color: var(--text);
        }

        .accordion {
            max-width: 860px;
            margin: 0 auto;
        }

        .accordion-item {
            background: var(--surface);
            border: none;
            border-bottom: 1px solid var(--border);
            border-radius: 0 !important;
        }

        .accordion-item:first-child {
            border-top: 1px solid var(--border);
        }

        .accordion-button {
            padding: 20px 16px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            background: transparent;
            box-shadow: none;
            font-family: var(--font-sans);
            transition: color 0.2s ease, background 0.2s ease;
            border: none;
        }

        .accordion-button:hover {
            background: rgba(31, 94, 91, 0.03);
        }

        .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: transparent;
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid rgba(31, 94, 91, 0.15);
            border-radius: 8px;
        }

        .accordion-button::after {
            content: '\f067';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            background-image: none;
            width: auto;
            height: auto;
            font-size: 16px;
            color: var(--primary);
            transition: transform 0.3s ease, color 0.3s ease;
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            color: var(--secondary);
            background-image: none;
        }

        .accordion-body {
            padding: 0 16px 24px;
            font-size: 15px;
            line-height: 1.85;
            color: #5d5d58;
        }

        /* ===== Comparison ===== */
        .comparison-section {
            padding: var(--spacer) 0;
            background: var(--bg-light);
        }

        .comparison-card {
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            height: 100%;
            box-shadow: var(--shadow-sm);
        }

        .comparison-card.old-way {
            background: var(--surface);
            border: 1px solid var(--border);
        }

        .comparison-card.new-way {
            background: var(--primary);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .comparison-card.new-way::after {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            right: 16px;
            bottom: 16px;
            font-size: 80px;
            opacity: 0.08;
            color: #fff;
        }

        .comparison-card h3 {
            font-size: 20px;
            margin-bottom: 14px;
        }

        .comparison-card.new-way h3 {
            color: #fff;
        }

        .comparison-card .highlight {
            color: var(--secondary);
            font-weight: 800;
        }

        .comparison-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .comparison-card ul li {
            padding: 7px 0;
            padding-left: 28px;
            position: relative;
            font-size: 15px;
            line-height: 1.65;
            border-bottom: 1px dashed rgba(0, 0, 0, 0.06);
        }

        .comparison-card ul li:last-child {
            border-bottom: none;
        }

        .comparison-card ul li::before {
            content: '\f00d';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 7px;
            font-size: 14px;
            color: #b8b4ae;
        }

        .comparison-card.new-way ul li {
            border-bottom-color: rgba(255, 255, 255, 0.12);
        }

        .comparison-card.new-way ul li::before {
            content: '\f00c';
            color: var(--secondary);
            font-weight: 900;
        }

        .comparison-card ul li strong {
            color: var(--primary);
        }

        .comparison-card.new-way ul li strong {
            color: var(--secondary);
        }

        .comparison-note {
            text-align: center;
            margin-top: 28px;
            font-size: 15px;
            color: var(--text-muted);
        }

        .comparison-note a {
            font-weight: 600;
            margin-left: 4px;
        }

        /* ===== CTA Banner ===== */
        .cta-banner {
            padding: var(--spacer) 0;
            background: var(--primary-dark);
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.12);
        }

        .cta-banner .row {
            align-items: center;
        }

        .cta-banner h2 {
            color: #fff;
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-banner p {
            color: rgba(255, 255, 255, 0.78);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 520px;
        }

        .cta-form {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-lg);
        }

        .cta-form .form-control {
            height: 44px;
            border-radius: var(--radius-md);
            border: 1px solid #d8d4ce;
            background: #fff;
            font-size: 14px;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
            font-family: var(--font-sans);
        }

        .cta-form .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(31, 94, 91, 0.15);
            outline: none;
        }

        .cta-form textarea.form-control {
            height: auto;
            min-height: 90px;
            resize: vertical;
        }

        .cta-form .btn {
            width: 100%;
            min-height: 44px;
        }

        .form-label {
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            margin-bottom: 6px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #161d1c;
            color: #a8a8a3;
            padding-top: 56px;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .site-footer .brand-icon {
            background: rgba(31, 94, 91, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .site-footer .brand-main {
            color: #fff;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: #a8a8a3;
            margin-bottom: 0;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            font-family: var(--font-sans);
        }

        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer ul li {
            margin-bottom: 10px;
        }

        .site-footer ul li a {
            color: #a8a8a3;
            font-size: 14px;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

        .site-footer ul li a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: #a8a8a3;
            line-height: 1.6;
        }

        .footer-contact li i {
            color: var(--secondary);
            margin-top: 4px;
            font-size: 13px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            margin-top: 40px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom p {
            font-size: 13px;
            margin: 0;
            color: #888;
        }

        .footer-bottom a {
            color: #888;
            transition: color 0.2s ease;
        }

        .footer-bottom a:hover {
            color: var(--secondary);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199.98px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        @media (max-width: 991.98px) {
            .site-header .navbar-collapse {
                background: rgba(255, 255, 255, 0.92);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-radius: 12px;
                padding: 16px;
                margin-top: 8px;
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--border);
            }

            .site-header .navbar-nav {
                gap: 0;
                margin-bottom: 12px;
            }

            .site-header .nav-link {
                padding: 12px 16px;
                font-size: 15px;
            }

            .site-header .nav-link.active::after {
                display: none;
            }

            .site-header .nav-link.active {
                background: rgba(31, 94, 91, 0.08);
                border-radius: 8px;
            }

            .nav-actions {
                margin-top: 8px;
                padding-top: 12px;
                border-top: 1px solid var(--border);
            }

            .nav-actions .btn {
                width: 100%;
            }

            .page-hero {
                min-height: 32vh;
                padding: 120px 0 48px;
            }

            .page-hero h1 {
                font-size: 32px;
            }

            .faq-cats,
            .faq-accordion-section,
            .comparison-section,
            .cta-banner {
                padding: 48px 0;
            }

            h2 {
                font-size: 26px;
            }
        }

        @media (max-width: 767.98px) {
            .page-hero {
                min-height: 300px;
                padding: 100px 0 40px;
            }

            .page-hero h1 {
                font-size: 26px;
            }

            .page-hero .hero-desc {
                font-size: 15px;
            }

            .section-head h2 {
                font-size: 22px;
            }

            .faq-cat-card {
                padding: 24px 18px;
            }

            .accordion-button {
                font-size: 15px;
                padding: 16px 12px;
            }

            .accordion-body {
                padding: 0 12px 20px;
                font-size: 14px;
            }

            .comparison-card {
                margin-bottom: 16px;
            }

            .cta-form {
                padding: 24px 20px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }

            .footer-bottom p {
                margin-bottom: 4px;
            }
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .navbar-brand .brand-main {
                font-size: 16px;
            }

            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }

            .page-hero h1 {
                font-size: 24px;
            }

            .page-hero .hero-desc {
                font-size: 14px;
                line-height: 1.7;
            }
        }