/* roulang page: index */
:root {
            --primary: #0F6B68;
            --primary-hover: #0A544F;
            --accent: #D9A13B;
            --bg-main: #F7F4EF;
            --bg-white: #FFFFFF;
            --bg-dark: #12302E;
            --text-main: #232B2A;
            --text-sub: #5C6665;
            --text-light: #8C9695;
            --border-color: #E5E0D8;
            --radius-card: 16px;
            --radius-round: 9999px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.08);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg-main);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
        }

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

        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .card-hover {
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

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

        .btn-primary {
            background-color: var(--primary);
            color: #fff;
            border-radius: var(--radius-round);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: background-color 0.2s ease, transform 0.15s ease;
        }

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

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-outline {
            border: 2px solid var(--primary);
            color: var(--primary);
            border-radius: var(--radius-round);
            padding: 10px 26px;
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: background-color 0.2s ease, transform 0.15s ease;
        }

        .btn-outline:hover {
            background-color: rgba(15, 107, 104, 0.08);
            transform: translateY(-1px);
        }

        .btn-outline:active {
            transform: scale(0.98);
        }

        .btn-accent {
            background-color: var(--accent);
            color: #232B2A;
            border-radius: var(--radius-round);
            padding: 14px 36px;
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: background-color 0.2s ease, transform 0.15s ease;
        }

        .btn-accent:hover {
            background-color: #e2ae4f;
            transform: translateY(-1px);
        }

        .btn-accent:active {
            transform: scale(0.98);
        }

        .section-padding {
            padding-top: 96px;
            padding-bottom: 96px;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding-top: 56px;
                padding-bottom: 56px;
            }
        }

        .line-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .line-clamp-1 {
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

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

        .faq-icon {
            transition: transform 0.3s ease, color 0.3s ease;
        }

        .mobile-menu {
            display: none;
        }

        .mobile-menu.open {
            display: block;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: article */
:root {
            --primary: #0F6B68;
            --primary-hover: #0A544F;
            --accent: #D9A13B;
            --accent-light: #F5E6C8;
            --bg: #F7F4EF;
            --card: #FFFFFF;
            --dark: #12302E;
            --text: #232B2A;
            --text-secondary: #5C6665;
            --text-light: #8C9695;
            --border: #E5E0D8;
            --radius-lg: 16px;
            --radius-full: 9999px;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.07);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
        }

        button,
        input {
            font-family: inherit;
        }

        .section-gap {
            padding: 96px 0;
        }

        @media (max-width: 768px) {
            .section-gap {
                padding: 56px 0;
            }
        }

        .article-content {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text);
            word-break: break-word;
        }

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

        .article-content h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
            margin: 36px 0 18px;
            color: var(--text);
            border-left: 4px solid var(--primary);
            padding-left: 16px;
        }

        .article-content h3 {
            font-size: 20px;
            font-weight: 600;
            margin: 28px 0 14px;
            color: var(--text);
        }

        .article-content img {
            border-radius: 12px;
            margin: 24px 0;
            width: 100%;
            object-fit: cover;
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 24px 1.4em;
            padding: 0;
        }

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

        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: #FBF8F2;
            padding: 14px 20px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
            color: var(--text-secondary);
            font-style: italic;
        }

        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content a:hover {
            color: var(--primary-hover);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14px;
            overflow-x: auto;
            display: block;
        }

        .article-content table th,
        .article-content table td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
        }

        .article-content table th {
            background: #F1EDE6;
            font-weight: 600;
        }

        .article-content code {
            background: #F1EDE6;
            padding: 2px 6px;
            border-radius: 4px;
            font-size: 14px;
        }

        .nav-link {
            position: relative;
            transition: color 0.2s ease;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -1px;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.25s ease;
            border-radius: 2px;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 42px;
            padding: 0 24px;
            border-radius: var(--radius-full);
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(15, 107, 104, 0.25);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 42px;
            padding: 0 24px;
            border-radius: var(--radius-full);
            background: transparent;
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            border: 2px solid var(--primary);
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .btn-outline:hover {
            background: rgba(15, 107, 104, 0.08);
            border-color: var(--primary-hover);
            color: var(--primary-hover);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 44px;
            padding: 0 28px;
            border-radius: var(--radius-full);
            background: var(--accent);
            color: #12302E;
            font-size: 15px;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .btn-accent:hover {
            background: #E4B04C;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(217, 161, 59, 0.3);
        }

        .btn-accent:active {
            transform: scale(0.98);
        }

        .search-input {
            width: 220px;
            height: 38px;
            border-radius: var(--radius-full);
            background: #F1EDE6;
            border: 1px solid transparent;
            padding: 0 16px 0 38px;
            font-size: 14px;
            color: var(--text);
            outline: none;
            transition: all 0.2s ease;
        }

        .search-input::placeholder {
            color: var(--text-light);
        }

        .search-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15, 107, 104, 0.15);
            background: #fff;
        }

        .card-hover {
            transition: all 0.25s ease;
        }

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

        .tag-pill {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: 9999px;
            background: var(--accent-light);
            color: #8A6420;
            font-size: 13px;
            font-weight: 500;
            transition: all 0.2s ease;
        }

        .tag-pill:hover {
            background: var(--accent);
            color: #12302E;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
            transition: background 0.2s ease;
        }

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

        .faq-item .faq-q {
            cursor: pointer;
            padding: 20px 16px;
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            transition: color 0.2s ease;
        }

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

        .faq-item .faq-icon {
            width: 24px;
            height: 24px;
            min-width: 24px;
            border-radius: 50%;
            border: 2px solid var(--text-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-light);
            transition: all 0.3s ease;
            font-weight: 600;
        }

        .faq-item.open .faq-icon {
            border-color: var(--primary);
            color: var(--primary);
            transform: rotate(45deg);
        }

        .faq-item .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .faq-item.open .faq-a {
            max-height: 300px;
        }

        .faq-item .faq-a-inner {
            padding: 0 16px 20px 54px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
        }

        .breadcrumb-link {
            transition: color 0.2s ease;
        }

        .breadcrumb-link:hover {
            color: var(--primary);
        }

        .article-meta-line {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px 20px;
            color: var(--text-light);
            font-size: 13px;
        }

        .article-meta-line .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--text-light);
            flex-shrink: 0;
        }

        .mobile-menu-open {
            display: block;
        }

        .cta-bg {
            background:
                linear-gradient(rgba(18, 48, 46, 0.88), rgba(18, 48, 46, 0.92)),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            border-radius: 24px;
        }

        @media (max-width: 640px) {
            .search-input {
                width: 150px;
            }
            .article-content {
                font-size: 15px;
            }
            .article-content h2 {
                font-size: 22px;
            }
        }

        @media (max-width: 520px) {
            .cta-bg {
                border-radius: 16px;
            }
        }

        .footer-link {
            transition: color 0.2s ease;
        }

        .footer-link:hover {
            color: var(--accent);
        }

        img {
            background-color: #EFEAE3;
        }

/* roulang page: category1 */
:root {
            --primary: #0F6B68;
            --primary-dark: #0A544F;
            --accent: #D9A13B;
            --bgmain: #F7F4EF;
            --darkgreen: #12302E;
            --ink: #232B2A;
            --ink-sub: #5C6665;
            --ink-light: #8C9695;
            --line: #E5E0D8;
            --radius-card: 16px;
            --radius-btn: 9999px;
            --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
            --transition: all 0.25s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bgmain);
            color: var(--ink);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            gap: 8px;
            border: 2px solid transparent;
        }
        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(15, 107, 104, 0.25);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            gap: 8px;
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background-color: rgba(15, 107, 104, 0.08);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: scale(0.98);
        }
        .section-padding {
            padding: 90px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 56px 0;
            }
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }
        .section-title-bar {
            display: inline-block;
            width: 28px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin-bottom: 16px;
        }
        .section-subtitle {
            color: var(--ink-sub);
            font-size: 15px;
            max-width: 640px;
            line-height: 1.8;
        }
        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: #fff;
            border-bottom: 1px solid var(--line);
            height: 72px;
            box-shadow: 0 1px 0 0 var(--line);
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--ink-sub);
            padding-bottom: 4px;
            position: relative;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link.active {
            color: var(--primary);
            border-bottom: 2px solid var(--primary);
        }
        .search-box {
            background: var(--bgmain);
            border-radius: 9999px;
            height: 38px;
            display: flex;
            align-items: center;
            padding: 0 14px;
            gap: 8px;
            border: 2px solid transparent;
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15, 107, 104, 0.15);
        }
        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            font-size: 13px;
            color: var(--ink);
            width: 100%;
        }
        .search-box input::placeholder {
            color: var(--ink-light);
        }
        /* Hero */
        .hero-section {
            position: relative;
            background-color: var(--bgmain);
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 60%;
            height: 100%;
            background: linear-gradient(135deg, #EDE7DC 0%, transparent 100%);
            z-index: 0;
            pointer-events: none;
        }
        .hero-container {
            position: relative;
            z-index: 1;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 9999px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
            margin-bottom: 20px;
            box-shadow: var(--shadow-card);
        }
        .hero-title {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
        }
        .hero-title .highlight {
            color: var(--primary);
        }
        .hero-subtitle {
            font-size: 16px;
            color: var(--ink-sub);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 460px;
        }
        .hero-image-wrap {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
        }
        .hero-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-float-card {
            position: absolute;
            bottom: 24px;
            left: 24px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(4px);
            border-radius: 14px;
            padding: 14px 20px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        /* Trust bar */
        .trust-section {
            background: #F1EDE6;
            border-radius: 20px;
            padding: 36px 32px;
        }
        .trust-item {
            text-align: center;
            padding: 16px 8px;
        }
        .trust-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(15, 107, 104, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-size: 22px;
            color: var(--primary);
        }
        .trust-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 4px;
        }
        .trust-desc {
            font-size: 13px;
            color: var(--ink-sub);
            line-height: 1.6;
        }
        /* Card */
        .service-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 28px;
            transition: var(--transition);
            border: 1px solid #F0ECE5;
            height: 100%;
        }
        .service-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .service-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(15, 107, 104, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 18px;
        }
        .service-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .service-card p {
            font-size: 14px;
            color: var(--ink-sub);
            line-height: 1.7;
        }
        .service-tag {
            display: inline-block;
            background: rgba(217, 161, 59, 0.15);
            color: #9A6B1A;
            font-size: 12px;
            font-weight: 500;
            padding: 2px 10px;
            border-radius: 6px;
            margin-top: 14px;
        }
        /* Scenario */
        .scenario-item {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            margin-bottom: 80px;
        }
        .scenario-item.reverse {
            direction: rtl;
        }
        .scenario-item.reverse .scenario-content {
            direction: ltr;
        }
        .scenario-content {
            direction: ltr;
        }
        .scenario-image {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
        }
        .scenario-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }
        .scenario-content h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .scenario-content p {
            color: var(--ink-sub);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .scenario-list {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
        }
        .scenario-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--ink);
            margin-bottom: 10px;
            line-height: 1.6;
        }
        .scenario-list li::before {
            content: '';
            flex-shrink: 0;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            margin-top: 9px;
        }
        /* Process */
        .process-section {
            background: var(--darkgreen);
            color: #fff;
            border-radius: 24px;
            padding: 60px 40px;
        }
        .process-step {
            text-align: center;
            padding: 20px 12px;
            position: relative;
        }
        .process-step .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--ink);
            font-weight: 700;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }
        .process-step .step-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .process-step .step-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.6;
        }
        .process-arrow {
            position: absolute;
            top: 30px;
            right: -20px;
            color: rgba(255, 255, 255, 0.3);
            font-size: 18px;
            z-index: 1;
        }
        /* Stats */
        .stats-section {
            background: #fff;
            border-radius: 20px;
            padding: 48px 32px;
        }
        .stat-item {
            text-align: center;
            padding: 16px;
        }
        .stat-num {
            font-size: 40px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 14px;
            color: var(--ink-sub);
            margin-top: 4px;
        }
        /* FAQ */
        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 14px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item.active {
            box-shadow: var(--shadow-hover);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 19px 24px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #F1EDE6;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--ink-sub);
            flex-shrink: 0;
            transition: var(--transition);
        }
        .faq-item.active .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--ink-sub);
            line-height: 1.8;
            border-top: none;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
        }
        .faq-item.active .faq-answer-inner {
            background: var(--bgmain);
            padding: 16px 24px 20px;
            border-top: 1px solid var(--line);
        }
        /* CTA */
        .cta-section {
            background: var(--darkgreen);
            border-radius: 24px;
            padding: 64px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(217, 161, 59, 0.15);
        }
        .cta-section h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 28px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
            font-size: 15px;
            line-height: 1.8;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: var(--ink);
            font-weight: 600;
            font-size: 15px;
            padding: 14px 36px;
            border-radius: 9999px;
            transition: var(--transition);
        }
        .cta-btn:hover {
            background: #eAB24D;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(217, 161, 59, 0.3);
        }
        /* Footer */
        .site-footer {
            background: var(--darkgreen);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 24px;
        }
        .footer-title {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .footer-link {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
            line-height: 2;
        }
        .footer-link:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            margin-top: 40px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            text-align: center;
        }
        /* Mobile menu */
        .mobile-menu {
            display: none;
            background: #fff;
            border-bottom: 1px solid var(--line);
            padding: 16px 24px;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu a {
            display: block;
            padding: 12px 0;
            border-bottom: 1px solid #F5F2EC;
            font-size: 15px;
            font-weight: 500;
            color: var(--ink-sub);
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }
        .mobile-menu a.active {
            color: var(--primary);
            font-weight: 600;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .scenario-item {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .scenario-item.reverse {
                direction: ltr;
            }
            .hero-title {
                font-size: 34px;
            }
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 48px 0;
            }
            .section-title {
                font-size: 23px;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 14px;
            }
            .trust-section {
                padding: 24px 16px;
            }
            .process-section {
                padding: 40px 20px;
            }
            .process-arrow {
                display: none;
            }
            .cta-section {
                padding: 48px 20px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .scenario-image img {
                height: 220px;
            }
            .stats-section {
                padding: 32px 16px;
            }
            .stat-num {
                font-size: 32px;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 24px;
            }
            .btn-primary,
            .btn-outline {
                padding: 10px 20px;
                font-size: 14px;
            }
            .service-card {
                padding: 20px;
            }
            .faq-question {
                font-size: 14px;
                padding: 16px 16px;
            }
        }