/* roulang page: index */
:root {
            --primary: #0F6C6B;
            --primary-dark: #0A5453;
            --primary-light: #E3F2F1;
            --accent: #E07A57;
            --accent-dark: #C85F3E;
            --bg-base: #FAF7F2;
            --bg-soft: #F0EBE3;
            --bg-dark: #1D2F35;
            --surface: #FFFFFF;
            --border-color: #E5DCCF;
            --text-heading: #152B2E;
            --text-body: #3C4F52;
            --text-muted: #7A8A8C;
            --success: #2F8F6B;
            --radius-sm: 10px;
            --radius: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(21, 43, 46, 0.05), 0 8px 24px rgba(21, 43, 46, 0.06);
            --shadow-lg: 0 6px 16px rgba(21, 43, 46, 0.08), 0 16px 40px rgba(21, 43, 46, 0.12);
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text-body);
            background-color: var(--bg-base);
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            object-fit: cover;
        }

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

        a:hover {
            color: var(--primary-dark);
        }

        .container {
            max-width: 1200px;
        }

        @media (min-width: 1440px) {
            .container {
                max-width: 1320px;
            }
        }

        .section-padding {
            padding-block: 72px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
        }

        .section-tag::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }

        .section-title {
            font-family: "Noto Serif SC", "Source Han Serif SC", serif;
            font-size: clamp(1.4rem, 2.4vw, 1.8rem);
            font-weight: 600;
            color: var(--text-heading);
            line-height: 1.4;
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }

        .section-desc {
            color: var(--text-body);
            font-size: 0.95rem;
            max-width: 560px;
        }

        .btn {
            border-radius: 50px;
            font-weight: 600;
            padding: 0.75rem 1.8rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: none;
            transition: var(--transition);
            line-height: 1.5;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(224, 122, 87, 0.4);
            outline-offset: 2px;
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 2px 8px rgba(224, 122, 87, 0.3);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(224, 122, 87, 0.35);
        }

        .btn-accent:active {
            transform: scale(0.97);
        }

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

        .btn-outline-primary-custom:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-outline-primary-custom:active {
            transform: scale(0.97);
        }

        .btn-outline-white {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: #fff;
        }

        .card-base {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .card-base:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(15, 108, 107, 0.2);
        }

        /* Header & Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 68px;
            background: rgba(250, 247, 242, 0.9);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
        }

        .site-header .navbar {
            height: 68px;
            padding: 0;
        }

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

        .brand-logo {
            display: flex;
            align-items: center;
        }

        .brand-text {
            font-family: "Noto Serif SC", serif;
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
        }

        .brand-sub {
            color: var(--text-muted);
            font-weight: 500;
        }

        .navbar-nav {
            gap: 4px;
        }

        .nav-link-custom {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-body);
            padding: 8px 16px !important;
            border-radius: 8px;
            transition: var(--transition);
            background: none;
            border: none;
        }

        .nav-link-custom:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

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

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

        .command-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-soft);
            border-radius: var(--radius-sm);
            padding: 8px 14px;
            width: 200px;
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .command-search:hover {
            border-color: var(--border-color);
            background: var(--surface);
        }

        .command-search input {
            border: none;
            outline: none;
            background: transparent;
            flex: 1;
            font-size: 0.82rem;
            color: var(--text-body);
            min-width: 0;
        }

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

        .command-search kbd {
            background: var(--surface);
            border: 1px solid var(--border-color);
            border-radius: 4px;
            padding: 2px 8px;
            font-size: 0.7rem;
            color: var(--text-muted);
            font-family: inherit;
            white-space: nowrap;
        }

        .command-search i {
            color: var(--text-muted);
            font-size: 0.8rem;
        }

        .icon-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: none;
            background: transparent;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-body);
            transition: var(--transition);
            cursor: pointer;
        }

        .icon-btn:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .nav-cta {
            padding: 0.5rem 1.25rem;
            font-size: 0.88rem;
            white-space: nowrap;
        }

        .navbar-toggler {
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 6px 10px;
            background: var(--surface);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 0.2rem rgba(15, 108, 107, 0.15);
        }

        @media (max-width: 991.98px) {
            .site-header {
                height: auto;
            }
            .site-header .navbar {
                height: auto;
                padding: 10px 0;
                flex-wrap: wrap;
            }
            .navbar-collapse {
                background: var(--bg-base);
                border-radius: 14px;
                margin-top: 10px;
                padding: 16px;
                border: 1px solid var(--border-color);
                box-shadow: var(--shadow-sm);
            }
            .navbar-nav {
                gap: 0;
                margin-bottom: 16px;
            }
            .nav-link-custom {
                padding: 10px 16px !important;
            }
            .nav-right {
                flex-wrap: wrap;
            }
            .command-search {
                width: 100%;
                margin-bottom: 8px;
            }
        }

        /* Hero */
        .hero-section {
            position: relative;
            padding-top: 120px;
            padding-bottom: 72px;
            background: var(--bg-base);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            top: 0;
            right: 0;
            width: 60%;
            height: 100%;
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            z-index: 0;
            pointer-events: none;
        }

        .hero-section .container {
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 24px;
        }

        .hero-badge .badge-pulse {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            position: relative;
        }

        .hero-badge .badge-pulse::after {
            content: '';
            position: absolute;
            inset: -3px;
            border-radius: 50%;
            border: 2px solid var(--success);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% {
                transform: scale(0.8);
                opacity: 1;
            }
            100% {
                transform: scale(1.6);
                opacity: 0;
            }
        }

        .hero-title {
            font-family: "Noto Serif SC", serif;
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-heading);
            letter-spacing: -0.01em;
            margin-bottom: 20px;
        }

        .hero-title .highlight {
            color: var(--primary);
            border-bottom: 3px solid var(--accent);
            padding-bottom: 2px;
        }

        .hero-subtitle {
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text-body);
            max-width: 480px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .hero-points {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .hero-points .point {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .hero-points .point i {
            color: var(--success);
            font-size: 0.95rem;
        }

        .hero-panel {
            position: relative;
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            padding: 36px 32px;
            min-height: 360px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            border: 1px solid var(--border-color);
        }

        .panel-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 24px;
        }

        .data-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .data-item {
            display: flex;
            flex-direction: column;
        }

        .data-num {
            font-family: "Noto Serif SC", serif;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.2;
        }

        .data-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .float-card {
            position: absolute;
            bottom: 24px;
            right: 24px;
            background: var(--surface);
            border-radius: 14px;
            box-shadow: var(--shadow-lg);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            border: 1px solid var(--border-color);
            animation: floatIn 0.6s ease;
        }

        .float-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(224, 122, 87, 0.12);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
        }

        .float-label {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .float-value {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.2;
        }

        @keyframes floatIn {
            from {
                opacity: 0;
                transform: translateY(16px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (max-width: 991.98px) {
            .hero-section {
                padding-top: 100px;
            }
            .hero-panel {
                margin-top: 40px;
                min-height: auto;
            }
            .float-card {
                position: relative;
                bottom: auto;
                right: auto;
                margin-top: 24px;
                justify-content: center;
            }
        }

        @media (max-width: 575.98px) {
            .hero-section {
                padding-top: 90px;
                padding-bottom: 48px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
            }
        }

        /* Trust Bar */
        .trust-section {
            padding: 32px 0;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            background: var(--surface);
        }

        .trust-title {
            font-size: 0.78rem;
            color: var(--text-muted);
            letter-spacing: 0.05em;
            margin-bottom: 16px;
        }

        .trust-list {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }

        .trust-item {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-muted);
            transition: var(--transition);
            white-space: nowrap;
            cursor: default;
        }

        .trust-item:hover {
            color: var(--text-heading);
        }

        @media (max-width: 768px) {
            .trust-list {
                gap: 16px;
                justify-content: center;
            }
        }

        /* Steps */
        .steps-section {
            background: var(--bg-soft);
            border-radius: 32px;
            margin-block: 72px;
            padding: 64px 48px;
        }

        .step-col {
            position: relative;
            z-index: 1;
        }

        .step-card {
            background: var(--surface);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 32px 24px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

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

        .step-num {
            position: absolute;
            top: 16px;
            right: 20px;
            font-size: 3rem;
            font-weight: 700;
            color: var(--primary-light);
            line-height: 1;
            transition: var(--transition);
            z-index: 0;
        }

        .step-card:hover .step-num {
            color: var(--accent);
        }

        .step-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 20px;
            transition: var(--transition);
            position: relative;
            z-index: 1;
        }

        .step-card:hover .step-icon {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .step-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }

        .step-desc {
            font-size: 0.88rem;
            color: var(--text-body);
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }

        .step-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--primary);
            margin-top: 16px;
            position: relative;
            z-index: 1;
            transition: var(--transition);
        }

        .step-link:hover {
            color: var(--accent);
            gap: 8px;
        }

        .step-col:not(:last-child)::after {
            content: '→';
            position: absolute;
            right: -18px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--primary);
            font-size: 20px;
            opacity: 0.3;
            z-index: 3;
            background: var(--bg-soft);
            border-radius: 50%;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        @media (max-width: 991.98px) {
            .steps-section {
                padding: 48px 24px;
                margin-block: 48px;
            }
            .step-col {
                margin-bottom: 24px;
            }
            .step-col:not(:last-child)::after {
                content: '↓';
                right: 50%;
                top: auto;
                bottom: -22px;
                transform: translateX(50%);
                background: var(--bg-soft);
            }
            .step-col:last-child {
                margin-bottom: 0;
            }
        }

        /* News */
        .news-section {
            padding-block: 72px;
        }

        .news-card {
            background: var(--surface);
            border-radius: 12px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(15, 108, 107, 0.2);
        }

        .news-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
        }

        .news-tag {
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.75rem;
            border-radius: 20px;
            padding: 4px 12px;
            font-weight: 500;
        }

        .news-date {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .news-title {
            font-size: 1rem;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text-heading);
            margin-bottom: 10px;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            transition: var(--transition);
        }

        .news-title a {
            color: var(--text-heading);
        }

        .news-title a:hover {
            color: var(--primary);
        }

        .news-excerpt {
            font-size: 0.875rem;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
        }

        .news-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
        }

        .news-footer .read-more {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
        }

        .news-footer .read-more:hover {
            color: var(--accent);
            gap: 8px;
        }

        .view-all {
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 16px;
            border-radius: 30px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            white-space: nowrap;
        }

        .view-all:hover {
            background: var(--primary-light);
            border-color: transparent;
            gap: 8px;
        }

        .empty-state {
            text-align: center;
            padding: 60px 20px;
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px dashed var(--border-color);
        }

        .empty-icon {
            font-size: 3rem;
            color: var(--primary);
            opacity: 0.3;
            margin-bottom: 16px;
        }

        .empty-state p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* Cases */
        .cases-section {
            background: var(--bg-soft);
            padding-block: 72px;
            border-radius: 0;
        }

        .cases-intro h2 {
            font-family: "Noto Serif SC", serif;
            font-size: clamp(1.4rem, 2.4vw, 1.8rem);
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .cases-intro p {
            color: var(--text-body);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        .case-card {
            display: flex;
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            margin-bottom: 24px;
            transition: var(--transition);
            height: auto;
        }

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

        .case-card.offset {
            margin-top: 24px;
            margin-left: 24px;
        }

        .case-content {
            flex: 1;
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .case-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
            width: fit-content;
        }

        .case-content h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 8px;
        }

        .case-content p {
            font-size: 0.85rem;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .case-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .stat {
            display: flex;
            flex-direction: column;
        }

        .stat-num {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .case-img {
            flex: 0 0 220px;
            min-height: 220px;
            background: var(--bg-soft);
            position: relative;
        }

        .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

        @media (max-width: 991.98px) {
            .case-card {
                flex-direction: column;
            }
            .case-card.offset {
                margin-left: 0;
                margin-top: 0;
            }
            .case-img {
                flex: auto;
                min-height: 200px;
                order: -1;
            }
            .case-img img {
                border-radius: var(--radius) var(--radius) 0 0;
            }
            .cases-intro {
                margin-bottom: 32px;
            }
        }

        @media (max-width: 575.98px) {
            .case-content {
                padding: 24px;
            }
            .case-stats {
                gap: 16px;
            }
        }

        /* FAQ */
        .faq-section {
            padding-block: 72px;
        }

        .faq-wrapper {
            max-width: 780px;
            margin: 0 auto;
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            padding: 24px 32px;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-color);
        }

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

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-heading);
            padding: 18px 0;
            cursor: pointer;
            transition: var(--transition);
            gap: 16px;
        }

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

        .faq-question:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .faq-icon {
            transition: transform 0.3s ease;
            color: var(--primary);
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .faq-question[aria-expanded="true"] .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            color: var(--text-body);
            line-height: 1.8;
            padding-left: 12px;
            border-left: 4px solid var(--primary);
            margin-bottom: 18px;
            font-size: 0.9rem;
        }

        @media (max-width: 575.98px) {
            .faq-wrapper {
                padding: 16px;
            }
        }

        /* CTA */
        .cta-section {
            padding-block: 72px;
        }

        .cta-box {
            background: var(--bg-dark);
            border-radius: var(--radius-lg);
            padding: 56px;
            position: relative;
            overflow: hidden;
            color: #fff;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(224, 122, 87, 0.25), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 30%;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(15, 108, 107, 0.3), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-box .container-fluid,
        .cta-box .row {
            position: relative;
            z-index: 1;
        }

        .cta-title {
            font-family: "Noto Serif SC", serif;
            font-size: clamp(1.4rem, 2.4vw, 1.8rem);
            font-weight: 600;
            margin-bottom: 12px;
        }

        .cta-desc {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.92rem;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .cta-form .form-control,
        .cta-form .form-select {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .cta-form .form-control::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form .form-control:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 0.2rem rgba(224, 122, 87, 0.25);
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
        }

        .cta-form .form-select {
            color: rgba(255, 255, 255, 0.8);
        }

        .cta-form .form-select option {
            color: var(--text-body);
            background: var(--surface);
        }

        .cta-form .form-select:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 0.2rem rgba(224, 122, 87, 0.25);
        }

        .cta-form .btn-accent {
            min-width: 140px;
        }

        @media (max-width: 767.98px) {
            .cta-box {
                padding: 32px 24px;
            }
            .cta-form .btn-accent {
                width: 100%;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 24px;
        }

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

        .footer-brand .brand-text {
            color: #fff;
            font-size: 1.2rem;
        }

        .footer-brand .brand-sub {
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
            max-width: 300px;
        }

        .social-links {
            display: flex;
            gap: 10px;
        }

        .social-links a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .social-links a:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
        }

        .site-footer h4 {
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }

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

        .site-footer ul li {
            margin-bottom: 10px;
            font-size: 0.88rem;
        }

        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.65);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .contact-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.65);
        }

        .contact-list li i {
            color: var(--accent);
        }

        .subscribe-box {
            display: flex;
            margin-top: 16px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50px;
            padding: 4px;
            max-width: 320px;
        }

        .subscribe-box input {
            flex: 1;
            background: transparent;
            border: none;
            outline: none;
            color: #fff;
            padding: 8px 16px;
            font-size: 0.85rem;
            min-width: 0;
        }

        .subscribe-box input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .btn-subscribe {
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 50px;
            padding: 8px 20px;
            font-size: 0.82rem;
            font-weight: 500;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-subscribe:hover {
            background: var(--accent-dark);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 48px;
            padding-top: 24px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        @media (max-width: 767.98px) {
            .site-footer {
                padding-top: 48px;
            }
            .site-footer h4 {
                margin-top: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* Scroll to top */
        .back-top {
            position: fixed;
            bottom: 24px;
            right: 24px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-lg);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 999;
            cursor: pointer;
        }

        .back-top.show {
            opacity: 1;
            visibility: visible;
        }

        .back-top:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0F6C6B;
            --primary-dark: #0A5453;
            --primary-light: #E3F2F1;
            --accent: #E07A57;
            --accent-dark: #C85F3E;
            --bg-base: #FAF7F2;
            --bg-soft: #F0EBE3;
            --bg-dark: #1D2F35;
            --surface: #FFFFFF;
            --border-color: #E5DCCF;
            --text-heading: #152B2E;
            --text-body: #3C4F52;
            --text-muted: #7A8A8C;
            --success: #2F8F6B;
            --muted: #AAB4B6;
            --shadow-sm: 0 2px 8px rgba(21, 43, 46, 0.05), 0 8px 24px rgba(21, 43, 46, 0.06);
            --shadow-lg: 0 6px 16px rgba(21, 43, 46, 0.08), 0 16px 40px rgba(21, 43, 46, 0.12);
            --radius-card: 14px;
            --radius-btn: 50px;
            --radius-input: 10px;
            --radius-lg: 20px;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            --font-serif: "Noto Serif SC", "Source Han Serif SC", serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }
            *,
            *::before,
            *::after {
                transition: opacity 0.2s ease !important;
                animation: none !important;
            }
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-base);
            color: var(--text-body);
            line-height: 1.8;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }

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

        .container {
            max-width: 1200px;
        }

        @media (min-width: 1440px) {
            .container {
                max-width: 1320px;
            }
        }

        .section-padding {
            padding-block: 72px;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding-block: 48px;
            }
        }

        /* ---------- Header ---------- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(250, 247, 242, 0.9);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
        }

        .site-header .navbar {
            min-height: 68px;
            padding-block: 8px;
        }

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

        .brand-logo {
            display: inline-flex;
            flex-shrink: 0;
        }

        .brand-text {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.02em;
            line-height: 1.2;
        }

        .brand-sub {
            font-weight: 400;
            color: var(--text-muted);
            margin-left: 2px;
        }

        .navbar-toggler {
            border: 1.5px solid var(--primary);
            color: var(--primary);
            border-radius: 10px;
            padding: 4px 10px;
            font-size: 1.2rem;
            line-height: 1;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(15, 108, 107, 0.15);
        }

        .navbar-nav .nav-link-custom {
            display: block;
            padding: 8px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 8px;
            transition: all 0.25s ease;
            position: relative;
        }
        .navbar-nav .nav-link-custom:hover {
            color: var(--primary);
            background: rgba(15, 108, 107, 0.06);
        }
        .navbar-nav .nav-link-custom.active {
            color: var(--primary);
            font-weight: 700;
            background: rgba(15, 108, 107, 0.08);
        }
        .navbar-nav .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

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

        .command-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-soft);
            border-radius: var(--radius-input);
            padding: 6px 12px;
            border: 1px solid transparent;
            transition: border-color 0.25s ease, background 0.25s ease;
            min-width: 180px;
        }
        .command-search:focus-within {
            border-color: var(--primary);
            background: var(--surface);
            box-shadow: 0 0 0 3px rgba(15, 108, 107, 0.1);
        }
        .command-search i {
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .command-search input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 0.85rem;
            color: var(--text-body);
            width: 100%;
        }
        .command-search input::placeholder {
            color: var(--text-muted);
        }
        .command-search kbd {
            font-size: 0.7rem;
            background: var(--surface);
            border: 1px solid var(--border-color);
            border-radius: 5px;
            padding: 2px 6px;
            color: var(--text-muted);
            white-space: nowrap;
        }

        .icon-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: none;
            background: transparent;
            color: var(--text-body);
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all 0.25s ease;
        }
        .icon-btn:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .icon-btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-accent {
            background: var(--accent);
            border: 1.5px solid var(--accent);
            color: #fff;
            border-radius: var(--radius-btn);
            padding: 0.55rem 1.4rem;
            font-weight: 600;
            font-size: 0.95rem;
            box-shadow: 0 2px 8px rgba(224, 122, 87, 0.25);
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            line-height: 1.4;
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(224, 122, 87, 0.35);
        }
        .btn-accent:active {
            transform: scale(0.97);
        }
        .btn-accent:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-outline-primary-custom {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
            border-radius: var(--radius-btn);
            padding: 0.55rem 1.4rem;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            line-height: 1.4;
        }
        .btn-outline-primary-custom:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }
        .btn-outline-primary-custom:active {
            transform: scale(0.97);
        }
        .btn-outline-primary-custom:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .nav-cta {
            padding: 0.5rem 1.25rem;
            font-size: 0.9rem;
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: var(--bg-base);
                border-radius: 14px;
                padding: 16px;
                margin-top: 12px;
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--border-color);
            }
            .navbar-nav {
                margin-bottom: 16px;
            }
            .nav-right {
                flex-wrap: wrap;
                gap: 8px;
            }
            .command-search {
                order: -1;
                width: 100%;
                min-width: 0;
                flex-basis: 100%;
            }
            .nav-cta {
                margin-left: auto;
            }
            .navbar-nav .nav-link-custom.active::after {
                display: none;
            }
        }

        /* ---------- Page Hero / Banner ---------- */
        .page-hero {
            position: relative;
            background: var(--bg-base);
            padding: 64px 0 48px;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(15, 108, 107, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
            margin: 0 auto;
        }
        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }
        .page-hero h1 {
            font-family: var(--font-serif);
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-heading);
            letter-spacing: -0.01em;
            margin-bottom: 18px;
        }
        .page-hero h1 .highlight {
            color: var(--primary);
            position: relative;
        }
        .page-hero h1 .highlight::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 2px;
            height: 10px;
            background: rgba(224, 122, 87, 0.25);
            border-radius: 4px;
            z-index: -1;
        }
        .page-hero .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-body);
            max-width: 560px;
            margin: 0 auto 30px;
            line-height: 1.8;
        }

        /* Category Tabs */
        .category-tabs {
            display: inline-flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px;
            background: var(--surface);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            padding: 6px;
            box-shadow: var(--shadow-sm);
        }
        .category-tabs .tab-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 22px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-body);
            background: transparent;
            transition: all 0.25s ease;
        }
        .category-tabs .tab-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .category-tabs .tab-link.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(15, 108, 107, 0.25);
        }
        .category-tabs .tab-link i {
            font-size: 0.85rem;
        }
        @media (max-width: 576px) {
            .category-tabs {
                border-radius: 16px;
                width: 100%;
            }
            .category-tabs .tab-link {
                flex: 1 1 auto;
                justify-content: center;
                padding: 8px 12px;
                font-size: 0.82rem;
            }
        }

        /* ---------- Alternating Feature Blocks ---------- */
        .feature-block {
            padding: 24px 0;
        }
        .feature-block .feature-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .feature-block .feature-media img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            display: block;
            border-radius: var(--radius-lg);
            transition: transform 0.5s ease;
        }
        .feature-block .feature-media:hover img {
            transform: scale(1.02);
        }
        .feature-block .feature-media .media-badge {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(6px);
            border-radius: 50px;
            padding: 6px 16px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .feature-block .feature-content {
            padding: 24px 8px;
        }
        .feature-block .feature-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .feature-block .feature-content h2 {
            font-family: var(--font-serif);
            font-size: clamp(1.4rem, 2.2vw, 1.8rem);
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 14px;
            line-height: 1.35;
        }
        .feature-block .feature-content p {
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .feature-block .feature-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }
        .feature-block .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.92rem;
            color: var(--text-body);
            padding: 5px 0;
        }
        .feature-block .feature-list li i {
            color: var(--success);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .feature-block .feature-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            background: var(--surface);
            border: 1px solid var(--border-color);
            border-radius: 14px;
            padding: 18px 24px;
            box-shadow: var(--shadow-sm);
        }
        .feature-block .feature-stats .stat-item .stat-num {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .feature-block .feature-stats .stat-item .stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        @media (max-width: 991.98px) {
            .feature-block .feature-content {
                padding: 20px 0;
            }
            .feature-block .feature-media img {
                height: 260px;
            }
        }

        /* ---------- Process Cards ---------- */
        .process-section {
            background: var(--bg-soft);
            border-radius: 32px;
            padding: 56px 32px;
            position: relative;
            overflow: hidden;
        }
        .process-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(15, 108, 107, 0.05);
        }
        .process-section .section-heading {
            text-align: center;
            max-width: 600px;
            margin: 0 auto 44px;
        }
        .process-section .section-heading .section-tag {
            display: inline-block;
            background: var(--surface);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: 50px;
            margin-bottom: 14px;
        }
        .process-section .section-heading h2 {
            font-family: var(--font-serif);
            font-size: clamp(1.4rem, 2.4vw, 1.8rem);
            color: var(--text-heading);
            font-weight: 600;
            margin-bottom: 10px;
        }
        .process-section .section-heading p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .process-card-wrap {
            position: relative;
        }
        .process-card-wrap:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 50%;
            right: -12px;
            width: 24px;
            height: 2px;
            border-top: 2px dashed var(--primary);
            opacity: 0.4;
            z-index: 1;
        }
        @media (max-width: 991.98px) {
            .process-card-wrap:not(:last-child)::after {
                display: none;
            }
        }

        .process-card {
            background: var(--surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 28px 22px;
            position: relative;
            height: 100%;
            box-shadow: var(--shadow-sm);
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
        }
        .process-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(15, 108, 107, 0.3);
        }
        .process-card .step-num {
            position: absolute;
            top: 10px;
            right: 16px;
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--primary-light);
            line-height: 1;
            transition: color 0.25s ease;
        }
        .process-card:hover .step-num {
            color: rgba(224, 122, 87, 0.3);
        }
        .process-card .step-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 18px;
            transition: all 0.25s ease;
        }
        .process-card:hover .step-icon {
            background: var(--primary);
            color: #fff;
        }
        .process-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 8px;
        }
        .process-card p {
            font-size: 0.875rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ---------- Opportunity / CTA Band ---------- */
        .cta-band {
            background: var(--bg-dark);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }
        .cta-band-inner {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
        }
        .cta-band .cta-copy h2 {
            color: #fff;
            font-family: var(--font-serif);
            font-size: clamp(1.5rem, 2.6vw, 2rem);
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .cta-band .cta-copy p {
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.98rem;
            max-width: 440px;
            margin-bottom: 0;
            line-height: 1.75;
        }
        .cta-band .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .cta-band .btn-cta-light {
            background: var(--accent);
            border: 1.5px solid var(--accent);
            color: #fff;
            border-radius: var(--radius-btn);
            padding: 0.7rem 1.8rem;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.25s ease;
            box-shadow: 0 4px 16px rgba(224, 122, 87, 0.3);
        }
        .cta-band .btn-cta-light:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(224, 122, 87, 0.4);
        }
        .cta-band .btn-cta-ghost {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            border-radius: var(--radius-btn);
            padding: 0.7rem 1.8rem;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.25s ease;
        }
        .cta-band .btn-cta-ghost:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .cta-band {
                padding: 40px 28px;
            }
            .cta-band-inner {
                flex-direction: column;
                text-align: center;
            }
            .cta-band .cta-copy p {
                margin: 0 auto;
            }
            .cta-band .cta-actions {
                justify-content: center;
                width: 100%;
            }
            .cta-band .btn-cta-light,
            .cta-band .btn-cta-ghost {
                flex: 1 1 auto;
                text-align: center;
                justify-content: center;
            }
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding-top: 64px;
            margin-top: 72px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand .brand-text {
            color: #fff;
            font-size: 1.25rem;
            font-weight: 700;
        }
        .footer-brand .brand-sub {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            margin-bottom: 18px;
            max-width: 320px;
        }
        .social-links {
            display: flex;
            gap: 10px;
        }
        .social-links a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.2);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: all 0.25s ease;
        }
        .social-links a:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
            transform: translateY(-3px);
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 10px;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            transition: color 0.25s ease, padding-left 0.25s ease;
        }
        .site-footer ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .contact-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
        }
        .contact-list li i {
            color: var(--accent);
            font-size: 0.85rem;
            line-height: 1.7;
        }
        .subscribe-box {
            display: flex;
            margin-top: 16px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50px;
            padding: 4px;
            max-width: 320px;
        }
        .subscribe-box input {
            flex: 1;
            border: none;
            outline: none;
            background: transparent;
            padding: 8px 16px;
            font-size: 0.85rem;
            color: #fff;
            min-width: 0;
        }
        .subscribe-box input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .subscribe-box button {
            background: var(--accent);
            border: none;
            color: #fff;
            border-radius: 50px;
            padding: 8px 20px;
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s ease;
            white-space: nowrap;
        }
        .subscribe-box button:hover {
            background: var(--accent-dark);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            margin-top: 48px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px;
        }
        .footer-bottom p {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
            margin: 0;
        }
        @media (max-width: 768px) {
            .site-footer {
                margin-top: 48px;
                padding-top: 48px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ---------- Misc ---------- */
        .section-lead {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .text-primary-brand {
            color: var(--primary);
        }
        .bg-soft-block {
            background: var(--bg-soft);
            border-radius: 32px;
            padding: 48px 32px;
        }
        @media (max-width: 768px) {
            .bg-soft-block {
                padding: 32px 20px;
                border-radius: 20px;
            }
        }

        /* Focus accessibility */
        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-accent:focus-visible,
        .btn-outline-primary-custom:focus-visible,
        .btn-cta-light:focus-visible,
        .btn-cta-ghost:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 3px;
        }

/* roulang page: article */
:root{
  --primary:#0F6C6B;--primary-dark:#0A5453;--primary-light:#E3F2F1;
  --accent:#E07A57;--accent-dark:#C85F3E;
  --bg-base:#FAF7F2;--bg-soft:#F0EBE3;--bg-dark:#1D2F35;
  --surface:#FFFFFF;--border-color:#E5DCCF;
  --text-heading:#152B2E;--text-body:#3C4F52;--text-muted:#7A8A8C;
  --card-radius:14px;--btn-radius:50px;--input-radius:10px;
  --shadow-card:0 2px 8px rgba(21,43,46,.05),0 8px 24px rgba(21,43,46,.06);
  --shadow-hover:0 6px 16px rgba(21,43,46,.08),0 16px 40px rgba(21,43,46,.12);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC",serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);background:var(--bg-base);color:var(--text-body);line-height:1.8;font-size:1rem;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto;border:0}
button:focus,button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(15,108,107,.3);outline-offset:2px}
.container{max-width:1200px;padding-left:1.2rem;padding-right:1.2rem}

/* ===== 按钮 ===== */
.btn{border-radius:var(--btn-radius);font-weight:600;padding:.65rem 1.7rem;transition:all .25s ease;border:1.5px solid transparent;font-size:.95rem}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(224,122,87,.3)}
.btn-accent:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 6px 20px rgba(200,95,62,.35)}
.btn-accent:active{transform:scale(.97)}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary-light);border-color:var(--primary);color:var(--primary)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff}
.btn-lg{padding:.8rem 2.2rem;font-size:1rem}
.btn-sm{padding:.5rem 1.25rem;font-size:.875rem}

/* ===== 导航 ===== */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(250,247,242,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);height:68px}
.site-header .navbar{padding:.5rem 0;min-height:68px}
.brand-logo{display:inline-flex;align-items:center;margin-right:10px}
.brand-logo svg{display:block}
.brand-text{font-family:var(--font-serif);font-size:1.35rem;font-weight:700;color:var(--primary);letter-spacing:.02em;line-height:1}
.brand-sub{color:var(--text-muted);font-weight:500;font-size:1.1rem}
.navbar-nav{gap:2px}
.nav-link-custom{display:block;padding:.5rem .9rem;color:var(--text-body);font-weight:500;font-size:.92rem;border-radius:8px;transition:all .25s ease}
.nav-link-custom:hover{color:var(--primary);background:rgba(15,108,107,.06)}
.nav-link-custom.active{color:var(--primary);font-weight:600;background:rgba(15,108,107,.08)}
.nav-right{display:flex;align-items:center;gap:.6rem}
.command-search{display:flex;align-items:center;background:var(--bg-soft);border-radius:10px;padding:.4rem .8rem;width:200px;border:1px solid transparent;transition:all .25s ease}
.command-search:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(15,108,107,.1)}
.command-search i{color:var(--text-muted);font-size:.85rem;margin-right:6px}
.command-search input{border:none;background:transparent;outline:none;font-size:.85rem;color:var(--text-heading);width:100%}
.command-search input::placeholder{color:var(--text-muted)}
.command-search kbd{background:var(--border-color);border-radius:4px;font-size:.7rem;padding:.1rem .4rem;color:var(--text-muted);font-family:var(--font-sans);white-space:nowrap}
.icon-btn{width:40px;height:40px;border-radius:50%;border:none;background:transparent;color:var(--text-body);display:inline-flex;align-items:center;justify-content:center;transition:all .25s ease;cursor:pointer}
.icon-btn:hover{background:var(--primary-light);color:var(--primary)}
.nav-cta{padding:.5rem 1.25rem;font-size:.875rem}
.navbar-toggler{border:none;color:var(--text-heading);font-size:1.5rem;padding:.25rem .5rem}
.navbar-toggler:focus{box-shadow:none}

/* ===== 文章标题区 ===== */
.article-hero{background:linear-gradient(180deg,rgba(227,242,241,.35),rgba(250,247,242,.9)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;padding:64px 0 48px;position:relative}
.breadcrumb-nav{display:flex;align-items:center;flex-wrap:wrap;gap:.4rem;margin-bottom:32px;font-size:.85rem;color:var(--text-muted)}
.breadcrumb-nav a{color:var(--text-muted);transition:color .25s}
.breadcrumb-nav a:hover{color:var(--primary)}
.breadcrumb-nav .separator{color:var(--border-color)}
.breadcrumb-nav .current{color:var(--text-body);font-weight:500;max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-heading{max-width:860px;margin:0 auto;text-align:center}
.article-heading h1{font-family:var(--font-serif);font-size:clamp(1.8rem,3.2vw,2.5rem);font-weight:700;color:var(--text-heading);line-height:1.3;letter-spacing:-.01em;margin-bottom:24px}
.article-meta{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:16px;margin-bottom:24px;font-size:.85rem;color:var(--text-muted)}
.meta-item{display:inline-flex;align-items:center;gap:5px}
.meta-item i{color:var(--primary)}
.article-lead{font-size:1.05rem;color:var(--text-body);background:rgba(255,255,255,.8);border-left:4px solid var(--primary);border-radius:0 8px 8px 0;padding:16px 22px;text-align:left;margin-top:8px;line-height:1.8}

/* ===== 正文区 ===== */
.article-section{padding:56px 0 64px}
.article-wrapper{max-width:780px;margin:0 auto}
.article-content{font-size:1rem;line-height:1.9;color:var(--text-body)}
.article-content h2{font-size:1.5rem;font-weight:700;color:var(--text-heading);margin-top:3rem;margin-bottom:1rem;line-height:1.4;font-family:var(--font-serif)}
.article-content h3{font-size:1.2rem;font-weight:600;color:var(--text-heading);margin-top:2rem;margin-bottom:.8rem}
.article-content p{margin-bottom:1.6em}
.article-content p:last-child{margin-bottom:0}
.article-content a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--accent)}
.article-content img{max-width:100%;height:auto;border-radius:12px;margin:1.8rem 0;display:block}
.article-content figure{margin:1.8rem 0}
.article-content figcaption{text-align:center;color:var(--text-muted);font-size:.85rem;margin-top:.5rem}
.article-content blockquote{border-left:4px solid var(--primary);background:var(--bg-soft);border-radius:0 8px 8px 0;padding:1.4rem 1.8rem;margin:1.8rem 0;color:var(--text-body);font-style:italic}
.article-content ul,.article-content ol{padding-left:1.5rem;margin-bottom:1.6em}
.article-content li{margin-bottom:.5rem}
.article-content li::marker{color:var(--primary)}
.article-content table{width:100%;border-collapse:collapse;margin:1.8rem 0;font-size:.9rem}
.article-content table th,.article-content table td{border:1px solid var(--border-color);padding:.7rem 1rem;text-align:left}
.article-content table th{background:var(--bg-soft);font-weight:600;color:var(--text-heading)}
.article-content pre{background:var(--bg-dark);color:#e8e8e8;border-radius:10px;padding:1.5rem;overflow-x:auto;margin:1.8rem 0;font-size:.875rem;line-height:1.7}
.article-content pre code{background:none;padding:0;color:inherit;font-size:inherit}
.article-content code{background:var(--bg-soft);padding:.2rem .5rem;border-radius:4px;font-size:.875em;color:var(--primary-dark);font-family:'SFMono-Regular',Consolas,'Liberation Mono',monospace}
.article-content hr{border:none;border-top:1px solid var(--border-color);margin:2rem 0;opacity:.6}

/* ===== 内容未找到 ===== */
.article-not-found{text-align:center;padding:80px 20px;background:var(--surface);border-radius:var(--card-radius);box-shadow:var(--shadow-card)}
.article-not-found i{font-size:3rem;color:var(--primary);display:block;margin-bottom:20px}
.article-not-found h2{font-size:1.4rem;color:var(--text-heading);margin-bottom:12px}
.article-not-found p{color:var(--text-muted);margin-bottom:24px}

/* ===== 相关推荐 ===== */
.related-section{background:rgba(240,235,227,.4);padding:64px 0;border-top:1px solid var(--border-color)}
.section-heading{text-align:center;margin-bottom:40px}
.section-heading h2{font-family:var(--font-serif);font-size:clamp(1.4rem,2.4vw,1.8rem);font-weight:600;color:var(--text-heading);margin-bottom:8px}
.section-heading p{color:var(--text-muted);font-size:.95rem}
.related-card{display:flex;flex-direction:column;height:100%;background:rgba(255,255,255,.7);border-radius:var(--card-radius);border:1px solid rgba(255,255,255,.6);overflow:hidden;box-shadow:0 2px 8px rgba(21,43,46,.04);transition:all .25s ease;backdrop-filter:blur(4px)}
.related-card:hover{background:#fff;box-shadow:var(--shadow-hover);transform:translateY(-4px);border-color:var(--primary-light)}
.related-thumb{height:140px;overflow:hidden}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.related-card:hover .related-thumb img{transform:scale(1.05)}
.related-info{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.related-tag{display:inline-block;background:var(--primary-light);color:var(--primary);font-size:.75rem;font-weight:600;border-radius:20px;padding:.18rem .7rem;align-self:flex-start;margin-bottom:10px}
.related-info h3{font-size:1rem;font-weight:600;color:var(--text-heading);line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .25s}
.related-card:hover .related-info h3{color:var(--primary)}
.related-date{font-size:.8rem;color:var(--text-muted);margin-top:auto}

/* ===== CTA 区 ===== */
.article-cta-section{padding:56px 0 0}
.cta-box{background:var(--bg-dark);border-radius:20px;padding:48px 40px;text-align:center;position:relative;overflow:hidden}
.cta-box::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.12}
.cta-box .container{position:relative;z-index:1}
.cta-box h2{color:#fff;font-family:var(--font-serif);font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:600;margin-bottom:12px}
.cta-box p{color:rgba(255,255,255,.7);font-size:.95rem;margin-bottom:28px;max-width:520px;margin-left:auto;margin-right:auto}
.cta-box .btn{margin:0 6px}

/* ===== 返回入口 ===== */
.article-nav-bottom{border-top:1px solid var(--border-color);margin-top:40px;padding:24px 0 64px}
.article-nav-bottom .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.back-link,.back-top{display:inline-flex;align-items:center;gap:6px;font-size:.9rem;color:var(--text-body);transition:color .25s}
.back-link:hover,.back-top:hover{color:var(--primary)}
.back-top{color:var(--text-muted)}

/* ===== 页脚 ===== */
.site-footer{background:var(--bg-dark);color:rgba(255,255,255,.65);padding:64px 0 0;font-size:.9rem}
.footer-brand{display:flex;align-items:center;margin-bottom:16px}
.footer-brand .brand-text{color:#fff;font-size:1.3rem}
.footer-brand .brand-sub{color:rgba(255,255,255,.5)}
.footer-desc{color:rgba(255,255,255,.55);line-height:1.8;margin-bottom:20px;max-width:340px}
.social-links{display:flex;gap:10px}
.social-links a{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.08);display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.7);transition:all .25s ease}
.social-links a:hover{background:var(--accent);color:#fff;transform:translateY(-2px)}
.site-footer h4{color:#fff;font-size:1rem;font-weight:600;margin-bottom:20px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer ul li{margin-bottom:10px}
.site-footer ul a{color:rgba(255,255,255,.55);transition:color .25s}
.site-footer ul a:hover{color:#fff}
.contact-list li{display:flex;align-items:flex-start;gap:8px;color:rgba(255,255,255,.55);margin-bottom:12px}
.contact-list i{color:var(--accent);margin-top:4px}
.subscribe-box{display:flex;margin-top:8px;background:rgba(255,255,255,.08);border-radius:50px;padding:4px 4px 4px 18px;border:1px solid rgba(255,255,255,.1)}
.subscribe-box input{flex:1;background:transparent;border:none;outline:none;color:#fff;font-size:.85rem}
.subscribe-box input::placeholder{color:rgba(255,255,255,.4)}
.subscribe-box button{background:var(--accent);border:none;color:#fff;border-radius:50px;padding:.5rem 1.3rem;font-weight:600;font-size:.85rem;cursor:pointer;transition:background .25s}
.subscribe-box button:hover{background:var(--accent-dark)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding:20px 0;text-align:center;color:rgba(255,255,255,.35);font-size:.8rem}
.footer-bottom p{margin:0}

/* ===== 响应式 ===== */
@media (max-width:991.98px){
  .site-header{height:auto}
  .nav-right{flex-wrap:wrap;padding:10px 0;gap:.5rem}
  .command-search{width:100%}
  .article-hero{padding:48px 0 36px}
  .breadcrumb-nav{margin-bottom:24px}
}
@media (max-width:767.98px){
  .article-section{padding:40px 0 48px}
  .related-section{padding:48px 0}
  .cta-box{padding:36px 20px}
  .cta-box .btn{display:inline-block;width:auto;margin:6px 4px}
  .article-nav-bottom .container{flex-direction:column;text-align:center}
  .article-hero{padding:36px 0 28px}
  .article-lead{font-size:.95rem}
}
@media (max-width:575.98px){
  .article-heading h1{font-size:1.6rem}
  .breadcrumb-nav .current{max-width:160px}
  .cta-box h2{font-size:1.3rem}
  .cta-box .btn{width:100%;margin:6px 0}
  .site-footer{padding-top:48px}
  .subscribe-box{flex-direction:column;border-radius:14px;padding:8px}
  .subscribe-box input{padding:8px 12px;margin-bottom:6px}
  .subscribe-box button{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root {
            --primary: #0F6C6B;
            --primary-dark: #0A5453;
            --primary-light: #E3F2F1;
            --accent: #E07A57;
            --accent-dark: #C85F3E;
            --bg-base: #FAF7F2;
            --bg-soft: #F0EBE3;
            --bg-dark: #1D2F35;
            --surface: #FFFFFF;
            --border-color: #E5DCCF;
            --text-heading: #152B2E;
            --text-body: #3C4F52;
            --text-muted: #7A8A8C;
            --success: #2F8F6B;
            --danger: #AAB4B6;
            --radius-card: 14px;
            --radius-btn: 50px;
            --radius-input: 10px;
            --radius-lg: 20px;
            --radius-img: 12px;
            --shadow-card: 0 2px 8px rgba(21,43,46,0.05), 0 8px 24px rgba(21,43,46,0.06);
            --shadow-hover: 0 6px 16px rgba(21,43,46,0.08), 0 16px 40px rgba(21,43,46,0.12);
            --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            --font-heading: "Noto Serif SC", "Source Han Serif SC", "PingFang SC", serif;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            background: var(--bg-base);
            color: var(--text-body);
            line-height: 1.8;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            object-fit: cover;
        }
        ul,
        ol {
            padding: 0;
            margin: 0;
            list-style: none;
        }
        button,
        input {
            font-family: inherit;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        @media (min-width:1440px) {
            .container-custom {
                max-width: 1320px;
            }
        }
        /* ===== 通用组件 ===== */
        .section-padding {
            padding: 72px 0;
        }
        .section-heading {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-heading .section-subtitle {
            display: inline-block;
            font-size: 0.875rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 16px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .section-heading h2 {
            font-family: var(--font-heading);
            font-size: clamp(1.4rem, 2.4vw, 1.8rem);
            font-weight: 600;
            color: var(--text-heading);
            letter-spacing: 0.02em;
            margin-bottom: 12px;
        }
        .section-heading p {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 560px;
            margin: 0 auto;
        }
        .btn {
            border-radius: var(--radius-btn);
            padding: 0.65rem 1.7rem;
            font-weight: 600;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.25s ease;
            border: none;
            line-height: 1.6;
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(224, 122, 87, 0.28);
        }
        .btn-accent:hover,
        .btn-accent:focus {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(224, 122, 87, 0.38);
        }
        .btn-outline-primary {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }
        .btn-outline-primary:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn:active {
            transform: scale(0.97);
        }
        .btn:focus-visible {
            outline: 3px solid rgba(15, 108, 107, 0.4);
            outline-offset: 2px;
        }
        .text-link {
            color: var(--primary);
            font-weight: 500;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color 0.2s ease;
        }
        .text-link:hover {
            color: var(--primary-dark);
        }
        .text-link i {
            transition: transform 0.2s ease;
        }
        .text-link:hover i {
            transform: translateX(3px);
        }
        @media (max-width:767px) {
            .section-padding {
                padding: 48px 0;
            }
            .section-heading {
                margin-bottom: 32px;
            }
        }
        /* ===== Header 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(250, 247, 242, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
        }
        .navbar {
            padding: 0;
            min-height: 68px;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin: 0;
        }
        .brand-logo {
            display: flex;
            align-items: center;
        }
        .brand-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.01em;
            line-height: 1.2;
        }
        .brand-text .brand-sub {
            color: var(--text-muted);
            font-weight: 600;
            font-size: 1rem;
        }
        .navbar-nav {
            gap: 4px;
        }
        .nav-link-custom {
            display: inline-block;
            padding: 8px 16px;
            font-size: 0.94rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 8px;
            transition: all 0.2s ease;
            position: relative;
        }
        .nav-link-custom:hover {
            color: var(--primary);
            background: rgba(15, 108, 107, 0.06);
        }
        .nav-link-custom.active {
            color: var(--primary);
            font-weight: 600;
            background: rgba(15, 108, 107, 0.08);
        }
        .nav-link-custom.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .command-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-soft);
            border-radius: var(--radius-input);
            padding: 6px 14px;
            width: 200px;
            border: 1px solid transparent;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .command-search:hover {
            border-color: var(--border-color);
        }
        .command-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15, 108, 107, 0.12);
            background: var(--surface);
        }
        .command-search i {
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .command-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.85rem;
            color: var(--text-heading);
            width: 100%;
        }
        .command-search input::placeholder {
            color: var(--text-muted);
        }
        .command-search kbd {
            font-size: 0.7rem;
            background: rgba(0, 0, 0, 0.05);
            border: 1px solid var(--border-color);
            border-radius: 4px;
            padding: 1px 6px;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .icon-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: none;
            background: transparent;
            color: var(--text-body);
            font-size: 1.05rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s ease;
            cursor: pointer;
        }
        .icon-btn:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .nav-cta {
            padding: 0.5rem 1.25rem;
            font-size: 0.9rem;
        }
        .navbar-toggler {
            border: none;
            font-size: 1.5rem;
            color: var(--text-heading);
            padding: 4px 8px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--primary);
        }
        @media (max-width:991px) {
            .navbar-collapse {
                background: var(--surface);
                border-radius: 0 0 var(--radius-card) var(--radius-card);
                padding: 16px 20px;
                box-shadow: 0 12px 32px rgba(21, 43, 46, 0.1);
                border-bottom: 1px solid var(--border-color);
                margin-top: 8px;
            }
            .navbar-nav {
                gap: 4px;
                margin-bottom: 16px;
            }
            .nav-right {
                flex-wrap: wrap;
                gap: 8px;
                border-top: 1px solid var(--border-color);
                padding-top: 16px;
            }
            .command-search {
                width: 100%;
                order: -1;
            }
        }
        @media (max-width:575px) {
            .navbar-brand .brand-text {
                font-size: 1.1rem;
            }
            .nav-right .icon-btn:nth-child(2) {
                display: none;
            }
        }
        /* ===== 页面 Hero 标题区 ===== */
        .page-hero {
            background: var(--bg-base);
            padding: 56px 0 40px;
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(15, 108, 107, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero-inner {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .hero-badge {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 18px;
            border-radius: 20px;
            margin-bottom: 16px;
        }
        .page-hero h1 {
            font-family: var(--font-heading);
            font-size: clamp(1.8rem, 3.6vw, 2.6rem);
            font-weight: 700;
            color: var(--text-heading);
            letter-spacing: 0.02em;
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .hero-sub {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 620px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        /* 胶囊 Tab */
        .category-tabs {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tab-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 22px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-body);
            background: var(--surface);
            border: 1px solid var(--border-color);
            transition: all 0.25s ease;
        }
        .tab-pill:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-1px);
        }
        .tab-pill.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 14px rgba(15, 108, 107, 0.25);
        }
        @media (max-width:575px) {
            .page-hero {
                padding: 36px 0 28px;
            }
            .tab-pill {
                padding: 6px 16px;
                font-size: 0.82rem;
            }
        }
        /* ===== 大卡片背景配图 ===== */
        .feature-section {
            padding: 56px 0 48px;
        }
        .feature-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 380px;
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .feature-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(29, 47, 53, 0.92) 0%, rgba(29, 47, 53, 0.72) 45%, rgba(15, 108, 107, 0.35) 100%);
        }
        .feature-content {
            position: relative;
            z-index: 2;
            padding: 44px;
            max-width: 640px;
        }
        .feature-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: #fff;
            background: rgba(224, 122, 87, 0.9);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
        }
        .feature-content h2 {
            font-family: var(--font-heading);
            font-size: clamp(1.3rem, 2.6vw, 1.9rem);
            font-weight: 600;
            color: #fff;
            line-height: 1.35;
            margin-bottom: 14px;
        }
        .feature-content p {
            color: rgba(255, 255, 255, 0.88);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .feature-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }
        .stat-item {
            text-align: left;
        }
        .stat-num {
            display: block;
            font-size: 1.7rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }
        .stat-num em {
            font-style: normal;
            color: var(--accent);
        }
        .stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
        }
        @media (max-width:767px) {
            .feature-section {
                padding: 32px 0;
            }
            .feature-card {
                min-height: 300px;
            }
            .feature-content {
                padding: 28px;
            }
            .feature-stats {
                gap: 16px;
            }
            .stat-num {
                font-size: 1.3rem;
            }
        }
        /* ===== 方案卡片 ===== */
        .solutions-section {
            padding: 48px 0 72px;
            background: var(--surface);
            border-radius: 32px;
            margin: 0 20px;
        }
        .solution-card {
            background: var(--bg-base);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            height: 100%;
            transition: all 0.25s ease;
            box-shadow: var(--shadow-card);
        }
        .solution-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }
        .solution-img {
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--bg-soft);
        }
        .solution-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .solution-card:hover .solution-img img {
            transform: scale(1.04);
        }
        .solution-body {
            padding: 24px;
        }
        .solution-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 3px 14px;
            border-radius: 20px;
            margin-bottom: 14px;
        }
        .solution-body h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }
        .solution-body p {
            font-size: 0.9rem;
            color: var(--text-body);
            line-height: 1.75;
            margin-bottom: 16px;
        }
        @media (max-width:991px) {
            .solutions-section {
                margin: 0 10px;
                padding: 40px 0 56px;
            }
        }
        @media (max-width:575px) {
            .solution-body {
                padding: 18px;
            }
        }
        /* ===== 流程步骤 ===== */
        .process-section {
            padding: 72px 0;
            background: var(--bg-soft);
        }
        .process-step {
            background: var(--surface);
            border-radius: var(--radius-card);
            padding: 28px 22px;
            text-align: center;
            height: 100%;
            border: 1px solid var(--border-color);
            transition: all 0.25s ease;
            position: relative;
        }
        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .step-num {
            display: block;
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--primary-light);
            line-height: 1;
            margin-bottom: 16px;
            transition: color 0.25s ease;
        }
        .process-step:hover .step-num {
            color: var(--accent);
        }
        .process-step h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }
        @media (max-width:991px) {
            .process-section {
                padding: 48px 0;
            }
            .process-step {
                margin-bottom: 16px;
            }
        }
        /* ===== CTA 区块 ===== */
        .cta-section {
            padding: 72px 0;
        }
        .cta-box {
            background: var(--bg-dark);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 12px 32px rgba(29, 47, 53, 0.25);
        }
        .cta-box::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(224, 122, 87, 0.12);
        }
        .cta-content h2 {
            font-family: var(--font-heading);
            font-size: clamp(1.3rem, 2.2vw, 1.75rem);
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-content p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            margin: 0;
        }
        .cta-actions {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            transform: translateY(-2px);
        }
        @media (max-width:767px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-box {
                flex-direction: column;
                padding: 32px 24px;
                text-align: center;
            }
            .cta-actions {
                width: 100%;
                flex-direction: column;
            }
            .cta-actions .btn {
                width: 100%;
                justify-content: center;
            }
        }
        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 64px 0 0;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .brand-text {
            color: #fff;
        }
        .footer-brand .brand-sub {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.8;
            max-width: 300px;
            margin-bottom: 20px;
        }
        .social-links {
            display: flex;
            gap: 10px;
        }
        .social-links a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.7);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: all 0.25s ease;
        }
        .social-links a:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-3px);
        }
        .site-footer h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }
        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: color 0.2s ease;
        }
        .site-footer .footer-links a:hover {
            color: var(--accent);
        }
        .contact-list {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .contact-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 12px;
        }
        .contact-list i {
            color: var(--accent);
            font-size: 0.95rem;
            width: 20px;
            text-align: center;
        }
        .subscribe-box {
            display: flex;
            gap: 8px;
            margin-top: 16px;
            max-width: 320px;
        }
        .subscribe-box input {
            flex: 1;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-input);
            padding: 8px 14px;
            font-size: 0.85rem;
            color: #fff;
            outline: none;
            transition: border-color 0.2s ease;
        }
        .subscribe-box input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .subscribe-box input:focus {
            border-color: var(--accent);
        }
        .subscribe-box button {
            background: var(--accent);
            border: none;
            border-radius: var(--radius-input);
            padding: 8px 18px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .subscribe-box button:hover {
            background: var(--accent-dark);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            margin-top: 48px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
            margin: 0;
        }
        @media (max-width:767px) {
            .site-footer {
                padding: 48px 0 0;
            }
            .subscribe-box {
                max-width: 100%;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            * {
                transition: opacity 0.1s ease !important;
                animation: none !important;
            }
            html {
                scroll-behavior: auto;
            }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0F6C6B;
            --primary-dark: #0A5453;
            --primary-light: #E3F2F1;
            --accent: #E07A57;
            --accent-dark: #C85F3E;
            --bg-base: #FAF7F2;
            --bg-soft: #F0EBE3;
            --bg-dark: #1D2F35;
            --surface: #FFFFFF;
            --border-color: #E5DCCF;
            --text-heading: #152B2E;
            --text-body: #3C4F52;
            --text-muted: #7A8A8C;
            --success: #2F8F6B;
            --muted: #AAB4B6;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(21, 43, 46, 0.05), 0 8px 24px rgba(21, 43, 46, 0.06);
            --shadow-hover: 0 6px 16px rgba(21, 43, 46, 0.08), 0 16px 40px rgba(21, 43, 46, 0.12);
            --transition: 0.25s ease;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            --font-serif: "Noto Serif SC", "Source Han Serif SC", serif;
        }

        /* ===== 基础重置 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 0.95rem;
            font-weight: 400;
            line-height: 1.8;
            color: var(--text-body);
            background-color: var(--bg-base);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        .container {
            max-width: 1200px;
        }
        @media (min-width: 1440px) {
            .container {
                max-width: 1320px;
            }
        }

        /* ===== 通用按钮 ===== */
        .btn-accent {
            background: var(--accent);
            color: #fff;
            border-radius: 50px;
            padding: 0.75rem 1.8rem;
            font-weight: 600;
            border: none;
            box-shadow: 0 4px 14px rgba(224, 122, 87, 0.25);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 95, 62, 0.35);
        }
        .btn-accent:active {
            transform: scale(0.97);
        }
        .btn-outline-primary-c {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
            border-radius: 50px;
            padding: 0.65rem 1.6rem;
            font-weight: 600;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.92rem;
        }
        .btn-outline-primary-c:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-outline-primary-c:active {
            transform: scale(0.97);
        }
        .btn:focus-visible,
        .btn-accent:focus-visible,
        .btn-outline-primary-c:focus-visible {
            outline: 3px solid rgba(224, 122, 87, 0.4);
            outline-offset: 2px;
        }

        /* ===== 导航栏 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(250, 247, 242, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            height: 68px;
        }
        .site-header .navbar {
            padding: 0;
            height: 68px;
            flex-wrap: nowrap;
        }
        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin: 0;
        }
        .brand-logo {
            display: inline-flex;
        }
        .brand-text {
            font-family: var(--font-serif);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
            line-height: 1.2;
        }
        .brand-text .brand-sub {
            color: var(--accent);
            font-weight: 600;
            font-size: 0.95rem;
            margin-left: 1px;
        }
        .site-header .navbar-nav {
            gap: 0.4rem;
        }
        .site-header .nav-link-custom {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-body);
            padding: 0.5rem 1rem;
            border-radius: 50px;
            transition: all var(--transition);
        }
        .site-header .nav-link-custom:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .site-header .nav-link-custom.active {
            color: var(--primary);
            font-weight: 700;
            background: var(--primary-light);
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .command-search {
            display: flex;
            align-items: center;
            background: var(--bg-soft);
            border-radius: var(--radius-sm);
            padding: 0.35rem 0.9rem;
            gap: 8px;
            width: 200px;
            border: 1px solid transparent;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .command-search:hover,
        .command-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15, 108, 107, 0.08);
        }
        .command-search i {
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .command-search input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 0.8rem;
            color: var(--text-heading);
            flex: 1;
            min-width: 0;
        }
        .command-search input::placeholder {
            color: var(--text-muted);
        }
        .command-search kbd {
            font-size: 0.68rem;
            background: var(--surface);
            border: 1px solid var(--border-color);
            border-radius: 4px;
            padding: 1px 6px;
            color: var(--text-muted);
            white-space: nowrap;
            font-family: var(--font-sans);
        }
        .icon-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: none;
            background: transparent;
            color: var(--text-body);
            font-size: 0.95rem;
            transition: all var(--transition);
            flex-shrink: 0;
        }
        .icon-btn:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .icon-btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .nav-cta {
            padding: 0.5rem 1.25rem;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .navbar-toggler {
            border: none;
            background: transparent;
            font-size: 1.4rem;
            color: var(--text-heading);
            padding: 0.25rem 0.6rem;
            border-radius: 8px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--primary);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 0;
            margin-top: 0;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand .brand-text {
            color: #fff;
            font-size: 1.2rem;
        }
        .site-footer .footer-brand .brand-sub {
            color: var(--accent);
        }
        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
            max-width: 320px;
        }
        .social-links {
            display: flex;
            gap: 10px;
        }
        .social-links a {
            display: inline-flex;
            width: 38px;
            height: 38px;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.8);
            font-size: 1rem;
            transition: all var(--transition);
        }
        .social-links a:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
        }
        .site-footer h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 10px;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: color var(--transition), padding-left var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .site-footer .contact-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
        }
        .site-footer .contact-list li i {
            color: var(--accent);
            margin-top: 4px;
        }
        .subscribe-box {
            display: flex;
            gap: 6px;
            margin-top: 16px;
            max-width: 300px;
        }
        .subscribe-box input {
            flex: 1;
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50px;
            padding: 0.45rem 1rem;
            color: #fff;
            font-size: 0.8rem;
            outline: none;
            min-width: 0;
            transition: border-color var(--transition);
        }
        .subscribe-box input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .subscribe-box input:focus {
            border-color: var(--accent);
        }
        .subscribe-box button {
            border: none;
            background: var(--accent);
            color: #fff;
            border-radius: 50px;
            padding: 0.45rem 1.1rem;
            font-size: 0.8rem;
            font-weight: 600;
            transition: background var(--transition);
            flex-shrink: 0;
        }
        .subscribe-box button:hover {
            background: var(--accent-dark);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 18px 0;
            margin-top: 40px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
            margin: 0;
        }

        /* ===== 分类页 Hero ===== */
        .category-hero {
            background: var(--bg-base);
            padding: 80px 0 50px;
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 60%;
            height: 100%;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
            border-radius: 0 0 0 60px;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: 50px;
            padding: 0.3rem 1rem;
            margin-bottom: 20px;
        }
        .category-hero h1 {
            font-family: var(--font-serif);
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.25;
            letter-spacing: 0.01em;
            margin-bottom: 18px;
        }
        .category-hero h1 .text-primary-c {
            color: var(--primary);
        }
        .category-hero h1 .text-accent-c {
            color: var(--accent);
        }
        .category-hero .hero-lead {
            font-size: 1rem;
            color: var(--text-body);
            max-width: 600px;
            line-height: 1.8;
            margin-bottom: 8px;
        }

        /* ===== 胶囊 Tab ===== */
        .category-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 30px;
        }
        .cat-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--surface);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            padding: 0.55rem 1.3rem;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-body);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .cat-tab:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
            transform: translateY(-1px);
        }
        .cat-tab.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(15, 108, 107, 0.25);
        }
        .cat-tab.active:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
        }

        /* ===== 服务卡片区 ===== */
        .service-card-section {
            padding: 72px 0;
            background: var(--bg-base);
        }
        .section-header {
            margin-bottom: 48px;
        }
        .section-header .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 10px;
        }
        .section-header h2 {
            font-family: var(--font-serif);
            font-size: clamp(1.4rem, 2.4vw, 1.8rem);
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 10px;
        }
        .section-header p {
            font-size: 0.9rem;
            color: var(--text-muted);
            max-width: 640px;
        }
        .service-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 32px 28px;
            height: 100%;
            position: relative;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .service-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
            transform: translateY(-4px);
        }
        .service-card .card-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 20px;
            transition: all var(--transition);
        }
        .service-card:hover .card-icon {
            background: var(--primary);
            color: #fff;
        }
        .service-card .card-num {
            position: absolute;
            top: 20px;
            right: 24px;
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary-light);
            line-height: 1;
            opacity: 0.8;
            transition: color var(--transition);
        }
        .service-card:hover .card-num {
            color: var(--accent);
            opacity: 1;
        }
        .service-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 10px;
        }
        .service-card p {
            font-size: 0.87rem;
            color: var(--text-body);
            line-height: 1.75;
            margin-bottom: 0;
        }
        .service-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--primary);
            margin-top: 16px;
            transition: gap var(--transition), color var(--transition);
        }
        .service-card .card-link:hover {
            gap: 8px;
            color: var(--accent);
        }
        /* 卡片差异化 */
        .service-card.service-card-soft {
            background: var(--primary-light);
            border-color: transparent;
        }
        .service-card.service-card-soft .card-icon {
            background: #fff;
        }
        .service-card.service-card-soft:hover .card-icon {
            background: var(--primary);
        }
        .service-card.service-card-dark {
            background: var(--bg-dark);
            border-color: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
        }
        .service-card.service-card-dark h3 {
            color: #fff;
        }
        .service-card.service-card-dark p {
            color: rgba(255, 255, 255, 0.65);
        }
        .service-card.service-card-dark .card-icon {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent);
        }
        .service-card.service-card-dark .card-link {
            color: var(--accent);
        }
        .service-card.service-card-dark .card-link:hover {
            color: #fff;
        }
        .service-card.service-card-dark .card-num {
            color: rgba(255, 255, 255, 0.08);
        }
        .service-card.service-card-dark:hover .card-num {
            color: var(--accent);
        }

        /* ===== 落地表区 ===== */
        .service-table-section {
            padding: 72px 0;
            background: var(--bg-soft);
        }
        .service-table-wrap {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .service-table-wrap .img-side {
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 100%;
            min-height: 300px;
        }
        .service-table-wrap .img-side img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-md);
        }
        .service-table-wrap table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.85rem;
        }
        .service-table-wrap table thead th {
            background: var(--primary);
            color: #fff;
            padding: 14px 16px;
            font-weight: 600;
            text-align: left;
            font-size: 0.85rem;
            white-space: nowrap;
        }
        .service-table-wrap table thead th:first-child {
            border-radius: 10px 0 0 0;
        }
        .service-table-wrap table thead th:last-child {
            border-radius: 0 10px 0 0;
        }
        .service-table-wrap table tbody td {
            padding: 14px 16px;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-body);
            line-height: 1.7;
            font-size: 0.84rem;
        }
        .service-table-wrap table tbody tr:last-child td {
            border-bottom: none;
        }
        .service-table-wrap table tbody tr:hover td {
            background: rgba(227, 242, 241, 0.4);
        }
        .service-table-wrap .table-note {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 20px;
            padding-left: 2px;
            border-left: 3px solid var(--accent);
            padding-left: 12px;
        }

        /* ===== 服务流程区 ===== */
        .service-flow-section {
            padding: 72px 0;
            background: var(--bg-base);
        }
        .flow-step {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 30px 24px;
            text-align: center;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            height: 100%;
            transition: all var(--transition);
            position: relative;
        }
        .flow-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--primary);
        }
        .flow-step .step-num {
            display: inline-flex;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 16px;
        }
        .flow-step h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 10px;
        }
        .flow-step p {
            font-size: 0.86rem;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .flow-arrow {
            position: absolute;
            top: 50%;
            right: -16px;
            transform: translateY(-50%);
            color: var(--accent);
            font-size: 1.2rem;
            z-index: 2;
            background: var(--bg-base);
            border-radius: 50%;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ===== FAQ 简洁区 ===== */
        .faq-mini-section {
            padding: 72px 0;
            background: var(--bg-soft);
        }
        .faq-mini-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .faq-item summary {
            padding: 18px 24px;
            font-weight: 500;
            color: var(--text-heading);
            cursor: pointer;
            font-size: 0.92rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            list-style: none;
            transition: color var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            color: var(--primary);
        }
        .faq-item summary .faq-icon {
            font-size: 1.2rem;
            color: var(--accent);
            transition: transform 0.3s ease;
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.87rem;
            color: var(--text-body);
            line-height: 1.8;
            border-left: 3px solid var(--primary);
            margin: 0 24px 0;
        }

        /* ===== 轻量 CTA ===== */
        .cta-light-section {
            padding: 72px 0 80px;
            background: var(--bg-base);
        }
        .cta-light-box {
            background: var(--bg-dark);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            position: relative;
            overflow: hidden;
        }
        .cta-light-box::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .cta-light-box>* {
            position: relative;
            z-index: 1;
        }
        .cta-light-box h3 {
            font-family: var(--font-serif);
            color: #fff;
            font-size: clamp(1.3rem, 2vw, 1.6rem);
            font-weight: 600;
            margin-bottom: 8px;
        }
        .cta-light-box p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            margin-bottom: 0;
        }
        .cta-light-box .btn-light-cta {
            background: var(--accent);
            color: #fff;
            border-radius: 50px;
            padding: 0.75rem 1.8rem;
            font-weight: 600;
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .cta-light-box .btn-light-cta:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 95, 62, 0.3);
            color: #fff;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .site-header {
                height: auto;
                min-height: 68px;
            }
            .site-header .navbar {
                height: auto;
                min-height: 68px;
                padding: 8px 0;
            }
            .navbar-collapse {
                background: var(--bg-base);
                border-radius: var(--radius-md);
                padding: 20px;
                margin-top: 10px;
                box-shadow: var(--shadow-hover);
                border: 1px solid var(--border-color);
            }
            .navbar-collapse .nav-right {
                margin-top: 14px;
                flex-wrap: wrap;
            }
            .command-search {
                width: 100%;
                margin-bottom: 10px;
            }
            .service-table-wrap {
                padding: 24px;
            }
            .service-table-wrap .img-side {
                min-height: 220px;
                margin-bottom: 24px;
            }
            .cta-light-box {
                padding: 40px 28px;
                flex-direction: column;
                text-align: center;
            }
            .cta-light-box .btn-light-cta {
                width: 100%;
                justify-content: center;
            }
        }
        @media (max-width: 767.98px) {
            .category-hero {
                padding: 56px 0 40px;
            }
            .category-hero::before {
                width: 100%;
                opacity: 0.08;
                border-radius: 0;
            }
            .service-card-section,
            .service-table-section,
            .service-flow-section,
            .faq-mini-section {
                padding: 48px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .service-table-wrap {
                padding: 16px;
                border-radius: var(--radius-md);
            }
            .service-table-wrap table thead th,
            .service-table-wrap table tbody td {
                padding: 10px 8px;
                font-size: 0.78rem;
            }
            .flow-arrow {
                display: none;
            }
            .faq-item summary {
                padding: 14px 16px;
                font-size: 0.88rem;
            }
            .faq-item .faq-answer {
                padding: 0 16px 16px;
                margin: 0 16px 0;
                font-size: 0.84rem;
            }
            .cat-tab {
                padding: 0.45rem 1rem;
                font-size: 0.78rem;
            }
            .cta-light-section {
                padding: 48px 0 56px;
            }
            .cta-light-box {
                padding: 30px 20px;
                border-radius: var(--radius-md);
            }
        }
        @media (max-width: 575.98px) {
            .site-header .navbar-brand .brand-text {
                font-size: 1.1rem;
            }
            .category-hero h1 {
                font-size: 1.7rem;
            }
            .thumbnail-card-img {
                height: 90px;
            }
            .site-footer {
                padding-top: 40px;
            }
            .footer-bottom p {
                font-size: 0.7rem;
            }
        }

        /* ===== 动效偏好 ===== */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition: none !important;
                animation: none !important;
            }
            html {
                scroll-behavior: auto;
            }
        }