/* roulang page: index */
:root {
            --color-primary: #2F6B5F;
            --color-primary-dark: #224C44;
            --color-primary-light: #3D8375;
            --color-accent: #F27F5A;
            --color-accent-dark: #E06444;
            --color-accent-soft: #FCE9E2;
            --color-bg: #F7F5F0;
            --color-bg-card: #FFFFFF;
            --color-bg-deep: #1E2623;
            --color-bg-footer: #1A211E;
            --color-text: #1A211E;
            --color-text-secondary: #54635E;
            --color-text-light: #8A9994;
            --color-border: #E6E1D7;
            --color-border-strong: #C9C0AF;
            --color-faq-bar: #F1EDE4;
            --font-serif-cn: 'Noto Serif SC', 'Songti SC', STSong, serif;
            --font-sans-cn: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --radius-card: 6px;
            --radius-btn: 999px;
            --shadow-main: 0 12px 40px rgba(26, 33, 30, 0.08);
            --shadow-hover: 0 20px 50px rgba(26, 33, 30, 0.13);
            --shadow-btn: 0 4px 12px rgba(242, 127, 90, 0.3);
            --shadow-btn-hover: 0 8px 18px rgba(242, 127, 90, 0.35);
            --spacing-section: clamp(64px, 9vw, 110px);
            --container-w: 1200px;
            --transition-time: 0.3s cubic-bezier(.4, 0, .2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans-cn);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        ul, ol {
            list-style: none;
        }

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--container-w);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

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

        .section-alt {
            background-color: var(--color-bg-card);
        }

        .section-heading {
            margin-bottom: 44px;
            max-width: 760px;
        }

        .section-heading.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-heading .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--color-accent-dark);
            background: var(--color-accent-soft);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
            text-transform: none;
        }

        .section-heading h2 {
            font-family: var(--font-serif-cn);
            font-size: clamp(26px, 4vw, 38px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
            margin-bottom: 14px;
        }

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

        .section-line {
            width: 48px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-top: 16px;
        }

        .section-line.center-line {
            margin-left: auto;
            margin-right: auto;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 12px;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0 20px;
            pointer-events: none;
        }

        .site-header .header-inner {
            max-width: var(--container-w);
            margin: 0 auto;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: 8px;
            box-shadow: var(--shadow-main);
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            pointer-events: auto;
            transition: background-color var(--transition-time), box-shadow var(--transition-time), backdrop-filter var(--transition-time);
        }

        .site-header.is-sticky .header-inner {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-serif-cn);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }

        .logo-text {
            font-family: var(--font-serif-cn);
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            white-space: nowrap;
        }

        .header-nav-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
        }

        .nav-cards {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-card {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 6px;
            background: var(--color-bg);
            border: 1px solid transparent;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-time);
            cursor: pointer;
        }

        .nav-card i {
            font-size: 14px;
            color: var(--color-primary);
        }

        .nav-card:hover {
            background: var(--color-accent-soft);
            color: var(--color-text);
            border-color: var(--color-accent-soft);
            transform: translateY(-1px);
        }

        .nav-card.active {
            background: var(--color-accent-soft);
            color: var(--color-accent-dark);
            border-color: var(--color-accent-soft);
            font-weight: 600;
        }

        .nav-card.active i {
            color: var(--color-accent-dark);
        }

        .header-cta {
            flex-shrink: 0;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 500;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            cursor: pointer;
            box-shadow: var(--shadow-btn);
            transition: all var(--transition-time);
            text-decoration: none;
        }

        .btn-primary:hover {
            background: var(--color-accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-btn-hover);
        }

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

        .btn-secondary {
            background: transparent;
            color: var(--color-text);
            border: 1px solid var(--color-border-strong);
            border-radius: var(--radius-btn);
            padding: 11px 28px;
            font-size: 15px;
            font-weight: 500;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            cursor: pointer;
            transition: all var(--transition-time);
            text-decoration: none;
        }

        .btn-secondary:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            transform: translateY(-2px);
        }

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

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-primary);
            font-weight: 500;
            font-size: 15px;
            text-decoration: none;
            background-image: linear-gradient(currentColor, currentColor);
            background-size: 100% 1px;
            background-position: 0 100%;
            background-repeat: no-repeat;
            transition: background-size 0.3s ease, gap 0.3s ease;
        }

        .text-link i {
            transition: transform 0.3s ease;
            font-size: 13px;
        }

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

        .text-link:hover i {
            transform: translateX(3px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 20px;
            color: var(--color-text);
            cursor: pointer;
            padding: 6px;
            border-radius: 6px;
        }

        .mobile-toggle:hover {
            background: var(--color-bg);
        }

        /* Mobile drawer */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: var(--color-bg-card);
            box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
            z-index: 1100;
            transition: right 0.4s cubic-bezier(.4, 0, .2, 1);
            padding: 28px 24px;
            overflow-y: auto;
        }

        .mobile-drawer.open {
            right: 0;
        }

        .mobile-drawer-backdrop {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(26, 33, 30, 0.5);
            z-index: 1099;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease;
        }

        .mobile-drawer-backdrop.open {
            opacity: 1;
            visibility: visible;
        }

        .drawer-close {
            position: absolute;
            top: 20px;
            right: 20px;
            background: none;
            border: none;
            font-size: 20px;
            color: var(--color-text);
            cursor: pointer;
            padding: 4px;
        }

        .drawer-nav {
            margin-top: 44px;
        }

        .drawer-nav .drawer-nav-item {
            display: block;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border);
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text);
        }

        .drawer-nav .drawer-nav-item i {
            width: 24px;
            color: var(--color-primary);
            margin-right: 8px;
            text-align: center;
        }

        .drawer-nav .drawer-nav-item.active {
            color: var(--color-accent-dark);
        }

        .drawer-cta {
            margin-top: 28px;
        }

        .drawer-cta .btn-primary {
            width: 100%;
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: min(88vh, 760px);
            display: flex;
            align-items: center;
            background-image: linear-gradient(105deg, rgba(30, 38, 35, 0.92) 0%, rgba(30, 38, 35, 0.72) 50%, rgba(30, 38, 35, 0.35) 100%), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 140px 0 80px;
            color: #fff;
        }

        .hero-content {
            max-width: 680px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 400;
            margin-bottom: 24px;
            color: #E8EDEA;
            backdrop-filter: blur(4px);
        }

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

        .hero h1 {
            font-family: var(--font-serif-cn);
            font-size: clamp(32px, 5vw, 56px);
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: 0.01em;
        }

        .hero .hero-sub {
            font-size: 17px;
            line-height: 1.8;
            color: #C8D2CE;
            max-width: 540px;
            margin-bottom: 36px;
            font-weight: 300;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero .btn-primary {
            background: var(--color-accent);
        }

        .hero .btn-secondary {
            color: #fff;
            border-color: rgba(255, 255, 255, 0.4);
        }

        .hero .btn-secondary:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .hero-metrics {
            display: flex;
            gap: 36px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            max-width: 520px;
        }

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

        .metric .metric-value {
            font-family: var(--font-serif-cn);
            font-size: 28px;
            font-weight: 700;
            color: #fff;
        }

        .metric .metric-label {
            font-size: 13px;
            color: #A8B5B0;
            margin-top: 4px;
        }

        /* Content Nav / Overview */
        .overview-section {
            background: var(--color-bg-card);
            border-bottom: 1px solid var(--color-border);
        }

        .overview-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .overview-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            transition: transform var(--transition-time), box-shadow var(--transition-time), border-color var(--transition-time);
            text-decoration: none;
            display: block;
            position: relative;
        }

        .overview-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }

        .overview-card .ov-num {
            font-family: var(--font-serif-cn);
            font-size: 15px;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 12px;
            display: block;
        }

        .overview-card .ov-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .overview-card .ov-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .overview-card .ov-arrow {
            position: absolute;
            top: 28px;
            right: 20px;
            font-size: 14px;
            color: var(--color-border-strong);
            transition: color 0.3s ease, transform 0.3s ease;
        }

        .overview-card:hover .ov-arrow {
            color: var(--color-accent);
            transform: translateX(3px);
        }

        /* Feature Section */
        .feature-section {
            background: var(--color-bg);
        }

        .feature-row {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 60px;
            align-items: center;
            margin-bottom: 80px;
        }

        .feature-row:last-child {
            margin-bottom: 0;
        }

        .feature-row.row-reverse {
            grid-template-columns: 1fr 1.1fr;
        }

        .feature-row.row-reverse .feature-media {
            order: 2;
        }

        .feature-row.row-reverse .feature-text {
            order: 1;
        }

        .feature-media {
            position: relative;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow-main);
        }

        .feature-media img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .feature-media .media-tag {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(30, 38, 35, 0.82);
            color: #fff;
            font-size: 12px;
            padding: 6px 14px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }

        .feature-text .feature-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent-dark);
            background: var(--color-accent-soft);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 16px;
        }

        .feature-text h3 {
            font-family: var(--font-serif-cn);
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 16px;
            color: var(--color-text);
        }

        .feature-text p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--color-text-secondary);
            margin-bottom: 16px;
        }

        .feature-list {
            margin: 20px 0 0;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            font-size: 15px;
            color: var(--color-text);
            border-bottom: 1px dashed var(--color-border);
        }

        .feature-list li:last-child {
            border-bottom: none;
        }

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

        /* Featured Items */
        .featured-section {
            background: var(--color-bg-card);
        }

        .featured-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .featured-item {
            display: flex;
            align-items: center;
            gap: 24px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            transition: transform var(--transition-time), box-shadow var(--transition-time), border-color var(--transition-time);
            position: relative;
        }

        .featured-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }

        .featured-item .fi-index {
            font-family: var(--font-serif-cn);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-border-strong);
            min-width: 44px;
            text-align: center;
            transition: color 0.3s ease;
            counter-increment: section;
        }

        .featured-item:hover .fi-index {
            color: var(--color-accent);
        }

        .featured-item .fi-body {
            flex: 1;
        }

        .featured-item .fi-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .featured-item .fi-body p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .featured-item .fi-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .tag {
            display: inline-block;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 999px;
            background: #F1EDE4;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        .tag-accent {
            background: var(--color-accent-soft);
            color: var(--color-accent-dark);
        }

        .fi-duration {
            font-size: 12px;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .empty-state {
            padding: 80px 20px;
            text-align: center;
            background: var(--color-bg-card);
            border: 1px dashed var(--color-border-strong);
            border-radius: var(--radius-card);
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.8;
        }

        .empty-state i {
            font-size: 32px;
            color: var(--color-border-strong);
            margin-bottom: 12px;
            display: block;
        }

        /* News / Articles Grid */
        .news-section {
            background: var(--color-faq-bar);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: transform var(--transition-time), box-shadow var(--transition-time), border-color var(--transition-time);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }

        .news-card-media {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--color-bg);
        }

        .news-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .news-card:hover .news-card-media img {
            transform: scale(1.05);
        }

        .news-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(30, 38, 35, 0.8);
            color: #fff;
            font-size: 11px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }

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

        .news-card-body h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.55;
            color: var(--color-text);
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.3s ease;
        }

        .news-card:hover .news-card-body h3 {
            color: var(--color-primary);
        }

        .news-card-body .news-excerpt {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

        .news-date {
            font-size: 12px;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .news-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap 0.3s ease;
        }

        .news-link:hover {
            gap: 8px;
        }

        /* Steps */
        .steps-section {
            background: var(--color-bg-deep);
            color: #fff;
        }

        .steps-section .section-heading h2 {
            color: #fff;
        }

        .steps-section .section-heading p {
            color: #A8B5B0;
        }

        .steps-section .section-tag {
            background: rgba(255, 255, 255, 0.1);
            color: #F5D5BC;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-top: 44px;
        }

        .step-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 30px 24px;
            transition: background 0.3s ease, transform 0.3s ease;
            position: relative;
        }

        .step-card:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-4px);
        }

        .step-card .step-num {
            width: 40px;
            height: 40px;
            background: var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }

        .step-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .step-card p {
            font-size: 14px;
            color: #A8B5B0;
            line-height: 1.7;
        }

        /* FAQ */
        .faq-section {
            background: var(--color-faq-bar);
        }

        .faq-section .section-heading p {
            margin-bottom: 0;
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow 0.3s ease;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-main);
        }

        .faq-item.active {
            border-color: var(--color-primary);
        }

        .faq-question {
            padding: 20px 28px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 16px;
            font-weight: 500;
            min-height: 60px;
            color: var(--color-text);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: color 0.3s ease;
        }

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

        .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1px solid var(--color-border-strong);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--color-primary);
            flex-shrink: 0;
            transition: all 0.4s cubic-bezier(.4, 0, .2, 1);
        }

        .faq-item.active .faq-icon {
            transform: rotate(135deg);
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease, opacity 0.3s ease;
            padding: 0 28px;
            opacity: 0;
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 0 28px 20px;
            opacity: 1;
        }

        .faq-answer p {
            font-size: 14px;
            line-height: 1.9;
            color: var(--color-text-secondary);
            border-left: 2px solid var(--color-primary);
            padding-left: 16px;
        }

        /* CTA */
        .cta-section {
            background: var(--color-primary);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
        }

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

        .cta-inner h2 {
            font-family: var(--font-serif-cn);
            font-size: clamp(26px, 4vw, 40px);
            font-weight: 700;
            margin-bottom: 16px;
        }

        .cta-inner p {
            font-size: 16px;
            line-height: 1.8;
            color: #D5E0DC;
            margin-bottom: 32px;
        }

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

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

        .cta-section .btn-primary:hover {
            background: var(--color-accent-soft);
            transform: translateY(-2px);
        }

        .cta-section .btn-secondary {
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
        }

        .cta-section .btn-secondary:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        /* Footer */
        .site-footer {
            background: var(--color-bg-footer);
            color: #DFE5E2;
            padding: 60px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }

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

        .footer-brand .footer-logo .logo-mark {
            background: var(--color-accent);
        }

        .footer-brand .footer-logo span {
            font-family: var(--font-serif-cn);
            font-size: 17px;
            font-weight: 600;
            color: #fff;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.9;
            color: #9AABA5;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.03em;
        }

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

        .footer-col ul li a {
            font-size: 14px;
            color: #9AABA5;
            transition: color 0.3s ease, padding-left 0.3s ease;
            display: inline-block;
        }

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

        .footer-col ul li a i {
            width: 18px;
            margin-right: 6px;
            font-size: 12px;
            color: var(--color-primary-light);
        }

        .footer-col .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 8px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #9AABA5;
            font-size: 14px;
            transition: all 0.3s ease;
        }

        .footer-social a:hover {
            background: var(--color-accent);
            color: #fff;
            transform: translateY(-3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            padding: 22px 0;
            text-align: center;
            font-size: 13px;
            color: #7C8F88;
        }

        .footer-bottom p {
            margin-bottom: 4px;
        }

        .footer-bottom .footer-links {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 6px;
        }

        .footer-bottom .footer-links a {
            color: #7C8F88;
            font-size: 13px;
            transition: color 0.3s ease;
        }

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

        /* Animations */
        .reveal-block {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity 0.6s ease, transform 0.6s ease;
            transition-delay: var(--reveal-delay, 0s);
        }

        .reveal-block.is-visible {
            opacity: 1;
            transform: translateY(0);
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }

            .reveal-block {
                opacity: 1;
                transform: none;
            }
        }

        /* Responsive */
        @media screen and (max-width: 1024px) {
            .header-nav-wrap {
                display: none;
            }

            .mobile-toggle {
                display: block;
            }

            .header-cta {
                margin-left: auto;
            }

            .overview-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .feature-row {
                gap: 40px;
            }

            .feature-media img {
                height: 300px;
            }

            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

        @media screen and (max-width: 768px) {
            .hero {
                padding: 120px 0 60px;
                min-height: auto;
            }

            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
                max-width: 280px;
            }

            .feature-row,
            .feature-row.row-reverse {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .feature-row.row-reverse .feature-media {
                order: 1;
            }

            .feature-row.row-reverse .feature-text {
                order: 2;
            }

            .feature-media img {
                height: 260px;
            }

            .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }

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

        @media screen and (max-width: 640px) {
            .site-header {
                top: 8px;
                padding: 0 12px;
            }

            .site-header .header-inner {
                padding: 8px 14px;
            }

            .logo-text {
                font-size: 14px;
            }

            .header-cta .btn-primary {
                padding: 10px 20px;
                height: 40px;
                font-size: 13px;
            }

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

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

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

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

            .featured-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 20px;
            }

            .featured-item .fi-index {
                min-width: auto;
            }

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

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-links {
                flex-wrap: wrap;
                gap: 12px !important;
            }

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

            .section-heading p {
                font-size: 14px;
            }

            .feature-text h3 {
                font-size: 22px;
            }
        }

        @media screen and (max-width: 520px) {
            .site-header .header-cta .btn-primary {
                padding: 10px 16px;
                font-size: 12px;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                max-width: none;
            }

            .faq-question {
                font-size: 14px;
                padding: 18px 20px;
            }

            .faq-answer p {
                font-size: 13px;
            }

            .faq-item.active .faq-answer {
                padding: 0 20px 16px;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #2F6B5F;
            --color-primary-dark: #224C44;
            --color-accent: #F27F5A;
            --color-accent-soft: #FCE9E2;
            --color-bg: #F7F5F0;
            --color-bg-card: #FFFFFF;
            --color-bg-deep: #1E2623;
            --color-text: #1A211E;
            --color-text-secondary: #54635E;
            --color-border: #E6E1D7;
            --color-border-strong: #C9C0AF;
            --color-faq-bar: #F1EDE4;
            --font-serif-cn: 'Noto Serif SC', 'Songti SC', STSong, serif;
            --font-sans-cn: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --radius-card: 6px;
            --radius-btn: 999px;
            --shadow-main: 0 12px 40px rgba(26,33,30,0.08);
            --shadow-hover: 0 20px 50px rgba(26,33,30,0.13);
            --spacing-section: clamp(64px, 9vw, 110px);
            --container-w: 1200px;
            --transition-time: 0.3s cubic-bezier(.4,0,.2,1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans-cn);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

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

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

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

        h1,
        h2,
        h3,
        h4,
        h5 {
            font-family: var(--font-serif-cn);
            line-height: 1.3;
            margin-top: 0;
            color: var(--color-text);
        }

        p {
            margin-top: 0;
        }

        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 20px;
        }

        .fa,
        .fas,
        .far,
        .fab {
            font-family: "Font Awesome 6 Free";
        }

        .fab {
            font-family: "Font Awesome 6 Brands";
        }

        .header-shell {
            position: fixed;
            top: 12px;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0 24px;
        }

        .header-nav-panel {
            max-width: calc(var(--container-w) + 48px);
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.96);
            border: 1px solid var(--color-border);
            border-radius: 8px;
            box-shadow: var(--shadow-main);
            padding: 10px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            transition: background 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
        }

        body.scrolled .header-nav-panel {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 8px 30px rgba(26, 33, 30, 0.10);
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            color: #fff;
            font-family: var(--font-serif-cn);
            font-weight: 700;
            font-size: 15px;
            border-radius: 6px;
            letter-spacing: 0;
            flex-shrink: 0;
        }

        .logo-text {
            font-family: var(--font-serif-cn);
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            white-space: nowrap;
        }

        .header-nav-wrap {
            display: flex;
            align-items: center;
            gap: 14px;
            flex: 1;
            justify-content: center;
        }

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

        .nav-card {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            background: #F7F5F0;
            border: 1px solid transparent;
            border-radius: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text);
            transition: all 0.3s cubic-bezier(.4, 0, .2, 1);
            line-height: 1.2;
        }

        .nav-card i {
            font-size: 14px;
            color: var(--color-primary);
        }

        .nav-card:hover {
            background: var(--color-accent-soft);
            color: var(--color-text);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(26, 33, 30, 0.06);
        }

        .nav-card.active {
            background: var(--color-accent-soft);
            border-color: rgba(242, 127, 90, 0.2);
            color: var(--color-primary-dark);
        }

        .nav-card.active i {
            color: var(--color-accent);
        }

        .header-cta {
            flex-shrink: 0;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 11px 28px;
            font-size: 15px;
            font-weight: 500;
            font-family: var(--font-sans-cn);
            cursor: pointer;
            transition: all 0.3s cubic-bezier(.4, 0, .2, 1);
            box-shadow: 0 4px 12px rgba(242, 127, 90, 0.25);
            line-height: 1.4;
            text-decoration: none;
        }

        .btn-primary:hover {
            background: #E06444;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(242, 127, 90, 0.35);
        }

        .btn-primary:active {
            transform: scale(0.97);
            box-shadow: 0 2px 8px rgba(242, 127, 90, 0.3);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--color-text);
            border: 1px solid var(--color-border-strong);
            border-radius: var(--radius-btn);
            padding: 10px 26px;
            font-size: 15px;
            font-weight: 500;
            font-family: var(--font-sans-cn);
            cursor: pointer;
            transition: all 0.3s cubic-bezier(.4, 0, .2, 1);
            line-height: 1.4;
            text-decoration: none;
        }

        .btn-secondary:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(47, 107, 95, 0.04);
        }

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

        .page-header-spacer {
            height: 90px;
        }

        .cat-hero {
            background: var(--color-primary-dark);
            background-image: linear-gradient(105deg, rgba(30, 38, 35, 0.9) 0%, rgba(30, 38, 35, 0.45) 100%), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            padding: clamp(60px, 7vw, 90px) 0 50px;
            color: #fff;
            position: relative;
        }

        .cat-hero .eyebrow {
            font-size: 13px;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: rgba(255, 255, 255, 0.72);
            margin-bottom: 10px;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .cat-hero .eyebrow::before {
            content: '';
            display: inline-block;
            width: 24px;
            height: 1px;
            background: var(--color-accent);
        }

        .cat-hero h1 {
            color: #fff;
            font-size: clamp(30px, 4vw, 44px);
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
            font-family: var(--font-serif-cn);
        }

        .cat-hero .hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            max-width: 640px;
            margin-bottom: 24px;
        }

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

        .breadcrumb-wrap {
            padding: 18px 0 8px;
            font-size: 13px;
            color: var(--color-text-secondary);
            border-bottom: 1px solid var(--color-border);
            background: var(--color-bg);
        }

        .breadcrumb-wrap.container {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }

        .breadcrumb-wrap a {
            color: var(--color-text-secondary);
            text-decoration: none;
            font-size: 13px;
        }

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

        .breadcrumb-wrap .sep {
            color: var(--color-border-strong);
            margin: 0 4px;
            font-size: 12px;
        }

        .breadcrumb-wrap .current {
            color: var(--color-primary);
            font-weight: 500;
        }

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

        .cat-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }

        .cat-list-title {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 30px;
        }

        .cat-list-title h2 {
            font-size: 26px;
            margin: 0;
            font-family: var(--font-serif-cn);
            font-weight: 700;
        }

        .cat-list-title .badge-count {
            background: var(--color-accent-soft);
            color: #B4532F;
            font-size: 13px;
            padding: 4px 12px;
            border-radius: 999px;
            font-weight: 600;
        }

        .cat-cards-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .cat-list-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 0;
            transition: all 0.3s cubic-bezier(.4, 0, .2, 1);
            overflow: hidden;
            display: flex;
        }

        .cat-list-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(47, 107, 95, 0.2);
        }

        .cat-list-card .card-media {
            width: 200px;
            min-height: 150px;
            flex-shrink: 0;
            background-size: cover;
            background-position: center;
            background-color: var(--color-faq-bar);
            position: relative;
        }

        .cat-list-card .card-media .media-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(30, 38, 35, 0.72);
            color: #fff;
            font-size: 11px;
            padding: 3px 10px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
            letter-spacing: 0.3px;
        }

        .cat-list-card .card-body {
            padding: 22px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .cat-list-card .card-body h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 6px;
            font-family: var(--font-serif-cn);
            transition: color 0.25s ease;
        }

        .cat-list-card .card-body h3 a {
            color: var(--color-text);
            text-decoration: none;
        }

        .cat-list-card .card-body h3 a:hover {
            color: var(--color-primary);
        }

        .cat-list-card .card-body p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-text-secondary);
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--color-text-secondary);
        }

        .card-meta .tag {
            background: #F1EDE4;
            color: #4F5B55;
            padding: 3px 10px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
        }

        .card-meta .tag.hot {
            background: var(--color-accent-soft);
            color: #B4532F;
        }

        .card-meta .time {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .card-meta .read-more {
            margin-left: auto;
            font-size: 13px;
            color: var(--color-primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap 0.25s ease;
        }

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

        .cat-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .side-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 26px 24px;
            box-shadow: 0 4px 16px rgba(26, 33, 30, 0.03);
        }

        .side-card .side-title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-serif-cn);
        }

        .side-card .side-title i {
            color: var(--color-accent);
            font-size: 15px;
        }

        .hot-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .hot-tags a {
            font-size: 12px;
            background: var(--color-faq-bar);
            color: #4F5B55;
            padding: 5px 14px;
            border-radius: 999px;
            transition: all 0.25s ease;
            border: 1px solid transparent;
            text-decoration: none;
        }

        .hot-tags a:hover {
            background: var(--color-accent-soft);
            color: #B4532F;
            border-color: rgba(242, 127, 90, 0.2);
            transform: translateY(-1px);
        }

        .side-feature-item {
            display: flex;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border);
            text-decoration: none;
            align-items: center;
        }

        .side-feature-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .side-feature-item .thumb {
            width: 68px;
            height: 52px;
            border-radius: 4px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
            background-color: var(--color-faq-bar);
        }

        .side-feature-item .info {
            flex: 1;
            min-width: 0;
        }

        .side-feature-item .info .title {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.2s;
            font-family: var(--font-sans-cn);
        }

        .side-feature-item .info .title:hover {
            color: var(--color-primary);
        }

        .side-faq-item {
            margin-bottom: 6px;
        }

        .side-faq-item details {
            border-bottom: 1px solid var(--color-border);
            padding: 10px 0;
        }

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

        .side-faq-item summary {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color 0.2s;
            font-family: var(--font-sans-cn);
            line-height: 1.5;
        }

        .side-faq-item summary::-webkit-details-marker {
            display: none;
        }

        .side-faq-item summary::before {
            content: '+';
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--color-faq-bar);
            color: var(--color-primary);
            font-size: 14px;
            font-weight: 600;
            flex-shrink: 0;
            transition: all 0.25s ease;
        }

        .side-faq-item details[open] summary::before {
            transform: rotate(45deg);
            background: var(--color-accent-soft);
            color: var(--color-accent);
        }

        .side-faq-item details[open] summary {
            color: var(--color-primary);
        }

        .side-faq-item .faq-body {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            padding: 8px 0 6px 26px;
        }

        .cta-banner {
            background: var(--color-primary);
            border-radius: 8px;
            padding: 40px;
            text-align: center;
            color: #fff;
            margin-top: calc(var(--spacing-section) - 20px);
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.09;
            pointer-events: none;
        }

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

        .cta-banner h2 {
            color: #fff;
            font-size: 26px;
            margin-bottom: 8px;
            font-family: var(--font-serif-cn);
        }

        .cta-banner p {
            color: rgba(255, 255, 255, 0.84);
            font-size: 15px;
            margin-bottom: 18px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

        .site-footer {
            background: var(--color-bg-deep);
            color: #DFE5E2;
            padding: 60px 0 0;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }

        .footer-brand .footer-logo .logo-mark {
            background: var(--color-accent);
            color: #fff;
        }

        .footer-brand .footer-logo span:last-child {
            font-family: var(--font-serif-cn);
            font-size: 17px;
            font-weight: 600;
            color: #fff;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(223, 229, 226, 0.68);
            max-width: 300px;
            margin-bottom: 0;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-family: var(--font-serif-cn);
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: rgba(223, 229, 226, 0.72);
            font-size: 14px;
            text-decoration: none;
            transition: color 0.25s ease, padding-left 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

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

        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 16px;
        }

        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(223, 229, 226, 0.72);
            font-size: 14px;
            transition: all 0.25s ease;
            text-decoration: none;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 0 24px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(223, 229, 226, 0.52);
        }

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

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

        .footer-links a {
            color: rgba(223, 229, 226, 0.52);
            font-size: 13px;
            text-decoration: none;
            padding: 0 6px;
            border-left: 1px solid rgba(255, 255, 255, 0.12);
        }

        .footer-links a:first-child {
            border-left: none;
            padding-left: 0;
        }

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

        @media screen and (max-width: 1024px) {
            .header-nav-panel {
                flex-wrap: wrap;
                gap: 10px;
            }

            .header-nav-wrap {
                order: 3;
                width: 100%;
                justify-content: center;
            }

            .nav-cards {
                flex-wrap: wrap;
                justify-content: center;
            }

            .cat-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .cat-sidebar {
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

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

        @media screen and (max-width: 768px) {
            .header-shell {
                padding: 0 12px;
            }

            .header-nav-panel {
                padding: 10px 14px;
            }

            .logo-text {
                font-size: 15px;
            }

            .header-cta .btn-primary {
                padding: 9px 18px;
                font-size: 13px;
            }

            .nav-card {
                padding: 7px 12px;
                font-size: 12px;
            }

            .cat-hero h1 {
                font-size: 28px;
            }

            .cat-hero .hero-desc {
                font-size: 15px;
            }

            .cat-list-card {
                flex-direction: column;
            }

            .cat-list-card .card-media {
                width: 100%;
                min-height: 140px;
            }

            .cat-sidebar {
                grid-template-columns: 1fr;
            }

            .cta-banner {
                padding: 30px 24px;
            }
        }

        @media screen and (max-width: 640px) {
            .header-cta {
                display: none;
            }

            .header-nav-panel {
                justify-content: center;
            }

            .page-header-spacer {
                height: 80px;
            }

            .cat-hero {
                padding: 50px 0 40px;
            }

            .cat-hero h1 {
                font-size: 24px;
            }

            .cat-hero .hero-actions {
                flex-direction: column;
                width: 100%;
            }

            .cat-hero .hero-actions .btn-primary,
            .cat-hero .hero-actions .btn-secondary {
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

            .footer-links {
                justify-content: center;
            }
        }

        @media print {
            .header-shell,
            .breadcrumb-wrap,
            .site-footer,
            .cta-banner,
            .cat-sidebar {
                display: none !important;
            }

            .cat-main {
                padding: 20px 0;
            }

            .cat-grid {
                display: block;
            }
        }

        html {
            scrollbar-gutter: stable;
        }

/* roulang page: category1 */
:root{
  --color-primary:#2F6B5F;
  --color-primary-dark:#224C44;
  --color-accent:#F27F5A;
  --color-accent-soft:#FCE9E2;
  --color-bg:#F7F5F0;
  --color-bg-card:#FFFFFF;
  --color-bg-deep:#1E2623;
  --color-text:#1A211E;
  --color-text-secondary:#54635E;
  --color-border:#E6E1D7;
  --color-border-strong:#C9C0AF;
  --color-faq-bar:#F1EDE4;
  --font-serif-cn:'Noto Serif SC','Songti SC',STSong,serif;
  --font-sans-cn:'Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  --radius-card:6px;
  --radius-btn:999px;
  --shadow-main:0 12px 40px rgba(26,33,30,0.08);
  --shadow-hover:0 20px 50px rgba(26,33,30,0.13);
  --spacing-section:clamp(64px,9vw,110px);
  --container-w:1200px;
  --transition-time:0.3s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans-cn);
  font-size:16px;
  line-height:1.7;
  color:var(--color-text);
  background:var(--color-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-time)}
a:hover{color:var(--color-primary-dark)}
ul,ol{list-style:none}
button,input,textarea{font-family:inherit;font-size:inherit;outline:none;border:none;background:none}
.container{max-width:var(--container-w);margin:0 auto;padding:0 24px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  padding:14px 30px;
  cursor:pointer;
  transition:all var(--transition-time);
  border:1px solid transparent;
  text-align:center;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);text-decoration:none}
.btn:active{transform:scale(0.97)}
.btn-primary{
  background:var(--color-accent);
  color:#fff;
  box-shadow:0 4px 12px rgba(242,127,90,0.3);
}
.btn-primary:hover{
  background:#E06444;
  color:#fff;
  box-shadow:0 8px 18px rgba(242,127,90,0.35);
}
.btn-secondary{
  background:transparent;
  border-color:var(--color-border-strong);
  color:var(--color-text);
}
.btn-secondary:hover{border-color:var(--color-primary);color:var(--color-primary)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-lg{padding:16px 40px;font-size:16px}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:4px;
  font-weight:600;
  color:var(--color-primary);
  transition:gap var(--transition-time);
}
.text-link:hover{gap:8px;color:var(--color-primary-dark)}
.empty-state{
  padding:80px 20px;
  text-align:center;
  font-size:14px;
  color:var(--color-text-secondary);
  background:var(--color-bg-card);
  border:1px dashed var(--color-border-strong);
  border-radius:var(--radius-card);
}

/* ===== Header ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  padding:12px 0 0;
  transition:background var(--transition-time), box-shadow var(--transition-time);
}
.site-header.scrolled{
  padding-top:0;
}
.site-header .container{
  max-width:var(--container-w);
  background:rgba(255,255,255,0.92);
  border:1px solid var(--color-border);
  border-radius:8px;
  box-shadow:var(--shadow-main);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:all var(--transition-time);
}
.site-header.scrolled .container{
  border-radius:0 0 8px 8px;
  box-shadow:0 8px 30px rgba(26,33,30,0.10);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  padding:10px 20px;
  min-height:68px;
}
.brand-logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:36px;
  height:36px;
  background:var(--color-primary);
  color:#fff;
  font-family:var(--font-serif-cn);
  font-size:14px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:8px;
  letter-spacing:0;
}
.logo-text{
  font-family:var(--font-serif-cn);
  font-size:16px;
  font-weight:600;
  color:var(--color-text);
  white-space:nowrap;
}
.header-nav-wrap{
  flex:1;
  display:flex;
  justify-content:center;
}
.nav-cards{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}
.nav-card{
  display:flex;
  align-items:center;
  gap:6px;
  background:var(--color-bg);
  border:1px solid transparent;
  border-radius:6px;
  padding:8px 14px;
  font-size:13px;
  font-weight:600;
  color:var(--color-text-secondary);
  transition:all var(--transition-time);
}
.nav-card i{font-size:14px}
.nav-card:hover{
  background:var(--color-accent-soft);
  color:var(--color-text);
  border-color:var(--color-border);
  transform:translateY(-1px);
}
.nav-card.active{
  background:var(--color-accent-soft);
  color:#B4532F;
  border-color:var(--color-border);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.menu-toggle{
  display:none;
  width:40px;
  height:40px;
  border-radius:6px;
  background:var(--color-bg);
  color:var(--color-text);
  font-size:18px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  transition:background var(--transition-time);
}
.menu-toggle:hover{background:var(--color-accent-soft)}

/* ===== Hero ===== */
.page-hero{
  position:relative;
  background:linear-gradient(105deg, rgba(30,38,35,0.88) 0%, rgba(30,38,35,0.55) 60%, rgba(30,38,35,0.30) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;
  padding:90px 0 70px;
  margin-top:12px;
  border-radius:0 0 10px 10px;
}
.page-hero-content{
  max-width:760px;
}
.page-hero h1{
  font-family:var(--font-serif-cn);
  font-size:clamp(28px,4vw,42px);
  font-weight:700;
  line-height:1.25;
  margin-bottom:16px;
  color:#fff;
}
.page-hero .subtitle{
  font-size:16px;
  line-height:1.8;
  color:rgba(255,255,255,0.9);
  max-width:560px;
  margin-bottom:28px;
}
.hero-ctas{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}

/* ===== Quick Stats ===== */
.quick-stats{
  padding:50px 0 20px;
  position:relative;
  z-index:2;
}
.quick-stats .stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
}
.stat-item{
  background:var(--color-bg-card);
  border:1px solid var(--color-border);
  border-radius:var(--radius-card);
  padding:28px 20px;
  text-align:center;
  transition:box-shadow var(--transition-time), transform var(--transition-time);
}
.stat-item:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
}
.stat-num{
  font-family:var(--font-serif-cn);
  font-size:38px;
  font-weight:700;
  color:var(--color-primary);
  line-height:1.1;
  margin-bottom:6px;
}
.stat-label{
  font-size:14px;
  color:var(--color-text-secondary);
}

/* ===== Entry Methods ===== */
.entry-methods{
  padding:var(--spacing-section) 0;
}
.section-head{
  text-align:center;
  max-width:640px;
  margin:0 auto 48px;
}
.section-head .section-tag{
  display:inline-block;
  background:var(--color-accent-soft);
  color:#B4532F;
  font-size:12px;
  font-weight:600;
  padding:4px 12px;
  border-radius:999px;
  margin-bottom:12px;
}
.section-head h2{
  font-family:var(--font-serif-cn);
  font-size:clamp(24px,3vw,34px);
  font-weight:700;
  color:var(--color-text);
  line-height:1.3;
  margin-bottom:12px;
}
.section-head p{
  font-size:15px;
  color:var(--color-text-secondary);
  line-height:1.7;
}
.methods-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.method-card{
  background:var(--color-bg-card);
  border:1px solid var(--color-border);
  border-radius:var(--radius-card);
  padding:32px 24px;
  text-align:center;
  transition:all var(--transition-time);
  position:relative;
  overflow:hidden;
}
.method-card::before{
  content:'';
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:var(--color-accent);
  opacity:0;
  transition:opacity var(--transition-time);
}
.method-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-6px);
}
.method-card:hover::before{opacity:1}
.method-icon{
  width:60px;
  height:60px;
  border-radius:12px;
  background:var(--color-bg);
  display:flex;
  align-items:center;
  justify-content:center;
  margin:0 auto 18px;
  font-size:24px;
  color:var(--color-primary);
  transition:background var(--transition-time);
}
.method-card:hover .method-icon{background:var(--color-accent-soft);color:#B4532F}
.method-title{
  font-size:17px;
  font-weight:600;
  margin-bottom:8px;
  color:var(--color-text);
}
.method-desc{
  font-size:14px;
  color:var(--color-text-secondary);
  line-height:1.65;
}

/* ===== Scenarios ===== */
.scenarios{
  padding:var(--spacing-section) 0;
  background:var(--color-bg-card);
  border-block:1px solid var(--color-border);
}
.scenario-block{
  display:flex;
  align-items:center;
  gap:60px;
  margin-bottom:80px;
}
.scenario-block:last-child{margin-bottom:0}
.scenario-block.reverse{flex-direction:row-reverse}
.scenario-image{
  flex:0 0 46%;
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-hover);
}
.scenario-image img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform 0.5s ease;
}
.scenario-image:hover img{transform:scale(1.02)}
.scenario-text{
  flex:1;
}
.scenario-text .scenario-num{
  font-family:var(--font-serif-cn);
  font-size:14px;
  color:var(--color-accent);
  font-weight:600;
  letter-spacing:0.05em;
  margin-bottom:10px;
}
.scenario-text h3{
  font-family:var(--font-serif-cn);
  font-size:clamp(20px,2.4vw,28px);
  font-weight:700;
  line-height:1.3;
  margin-bottom:16px;
}
.scenario-text p{
  font-size:15px;
  color:var(--color-text-secondary);
  line-height:1.8;
  margin-bottom:12px;
}
.scenario-text .text-link{font-size:14px}

/* ===== Quick Steps ===== */
.quick-steps{
  padding:var(--spacing-section) 0;
}
.steps-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  counter-reset:step;
}
.step-item{
  background:var(--color-bg-card);
  border:1px solid var(--color-border);
  border-radius:var(--radius-card);
  padding:32px 24px;
  position:relative;
  transition:all var(--transition-time);
}
.step-item:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
}
.step-item::before{
  counter-increment:step;
  content:counter(step,decimal-leading-zero);
  font-family:var(--font-serif-cn);
  font-size:44px;
  font-weight:700;
  color:transparent;
  -webkit-text-stroke:1px var(--color-border-strong);
  position:absolute;
  top:16px;
  right:20px;
  line-height:1;
}
.step-num{
  font-size:12px;
  font-weight:600;
  color:var(--color-accent);
  background:var(--color-accent-soft);
  padding:3px 10px;
  border-radius:999px;
  display:inline-block;
  margin-bottom:14px;
}
.step-title{
  font-size:17px;
  font-weight:600;
  margin-bottom:8px;
  color:var(--color-text);
}
.step-desc{
  font-size:14px;
  color:var(--color-text-secondary);
  line-height:1.65;
}

/* ===== Main Content ===== */
.main-content{
  padding:var(--spacing-section) 0;
}
.breadcrumb{
  font-size:12px;
  color:var(--color-text-secondary);
  margin-bottom:28px;
  padding:10px 0;
  border-bottom:1px solid var(--color-border);
}
.breadcrumb a{color:var(--color-text-secondary)}
.breadcrumb a:hover{color:var(--color-primary)}
.breadcrumb .separator{margin:0 8px;color:var(--color-border-strong)}
.breadcrumb .current{color:var(--color-text);font-weight:600}
.entry-list{
  display:flex;
  flex-direction:column;
  gap:20px;
}
.entry-card{
  display:flex;
  background:var(--color-bg-card);
  border:1px solid var(--color-border);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:all var(--transition-time);
}
.entry-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
  border-color:transparent;
}
.entry-thumb{
  flex:0 0 200px;
  position:relative;
  overflow:hidden;
}
.entry-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 0.5s ease;
}
.entry-card:hover .entry-thumb img{transform:scale(1.05)}
.entry-info{
  padding:24px 24px 20px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.entry-title{
  font-size:17px;
  font-weight:600;
  margin-bottom:8px;
  color:var(--color-text);
  line-height:1.4;
  transition:color var(--transition-time);
}
.entry-title:hover{color:var(--color-primary)}
.entry-excerpt{
  font-size:14px;
  color:var(--color-text-secondary);
  line-height:1.65;
  margin-bottom:14px;
  flex:1;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.entry-meta{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
}
.entry-tag{
  font-size:12px;
  background:var(--color-faq-bar);
  color:#4F5B55;
  padding:4px 10px;
  border-radius:999px;
  font-weight:500;
}
.entry-time{
  font-size:12px;
  color:var(--color-text-secondary);
  display:flex;
  align-items:center;
  gap:4px;
}

/* Sidebar */
.sidebar{
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  background:var(--color-bg-card);
  border:1px solid var(--color-border);
  border-radius:var(--radius-card);
  padding:24px;
}
.side-card .side-card-title{
  font-size:15px;
  font-weight:600;
  margin-bottom:16px;
  position:relative;
  padding-bottom:10px;
}
.side-card .side-card-title::after{
  content:'';
  position:absolute;
  bottom:0;left:0;
  width:28px;
  height:2px;
  background:var(--color-accent);
}
.tag-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.tag-item{
  font-size:13px;
  background:var(--color-bg);
  color:var(--color-text-secondary);
  padding:5px 14px;
  border-radius:999px;
  border:1px solid var(--color-border);
  transition:all var(--transition-time);
  cursor:pointer;
}
.tag-item:hover{
  background:var(--color-accent-soft);
  color:#B4532F;
  border-color:var(--color-accent);
}
.rec-list{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.rec-item{
  display:flex;
  gap:12px;
  align-items:center;
  padding:8px;
  border-radius:6px;
  transition:background var(--transition-time);
}
.rec-item:hover{background:var(--color-bg)}
.rec-item img{
  width:64px;
  height:48px;
  object-fit:cover;
  border-radius:4px;
  flex-shrink:0;
}
.rec-item-info{flex:1;min-width:0}
.rec-item-title{
  font-size:14px;
  font-weight:600;
  color:var(--color-text);
  line-height:1.3;
  display:block;
  transition:color var(--transition-time);
}
.rec-item-title:hover{color:var(--color-primary)}
.rec-item-meta{
  font-size:12px;
  color:var(--color-text-secondary);
  margin-top:2px;
}
.side-faq-item{
  border-bottom:1px solid var(--color-border);
}
.side-faq-item:last-child{border-bottom:none}
.side-faq-item summary{
  font-size:14px;
  font-weight:600;
  padding:12px 0;
  cursor:pointer;
  display:flex;
  justify-content:space-between;
  align-items:center;
  color:var(--color-text);
  list-style:none;
}
.side-faq-item summary::-webkit-details-marker{display:none}
.side-faq-item summary::after{
  content:'+';
  font-size:18px;
  color:var(--color-primary);
  transition:transform var(--transition-time);
}
.side-faq-item[open] summary::after{transform:rotate(45deg)}
.side-faq-item p{
  font-size:13px;
  color:var(--color-text-secondary);
  line-height:1.6;
  padding-bottom:12px;
}

/* ===== FAQ ===== */
.faq-section{
  padding:var(--spacing-section) 0;
  background:var(--color-faq-bar);
}
.faq-accordion{
  max-width:820px;
  margin:0 auto;
}
.accordion-item{
  background:var(--color-bg-card);
  border:1px solid var(--color-border);
  border-radius:6px;
  margin-bottom:12px;
  overflow:hidden;
  transition:box-shadow var(--transition-time);
}
.accordion-item:hover{box-shadow:var(--shadow-main)}
.accordion-item summary{
  font-size:16px;
  font-weight:600;
  padding:20px 24px;
  cursor:pointer;
  list-style:none;
  display:flex;
  justify-content:space-between;
  align-items:center;
  color:var(--color-text);
  background:var(--color-bg-card);
  transition:background var(--transition-time);
}
.accordion-item summary::-webkit-details-marker{display:none}
.accordion-item summary::after{
  content:'+';
  font-size:22px;
  color:var(--color-primary);
  transition:transform 0.3s ease;
  flex-shrink:0;
  margin-left:16px;
}
.accordion-item[open] summary::after{transform:rotate(45deg)}
.accordion-item[open] summary{background:var(--color-bg)}
.accordion-item .accordion-content{
  padding:0 24px 22px;
  font-size:14px;
  color:var(--color-text-secondary);
  line-height:1.75;
}

/* ===== CTA ===== */
.cta-section{
  padding:70px 0;
  background:var(--color-primary);
  position:relative;
  overflow:hidden;
}
.cta-section::before{
  content:'';
  position:absolute;
  top:-60px;right:-60px;
  width:220px;height:220px;
  border-radius:50%;
  background:rgba(255,255,255,0.04);
}
.cta-section::after{
  content:'';
  position:absolute;
  bottom:-40px;left:-40px;
  width:140px;height:140px;
  border-radius:50%;
  background:rgba(255,255,255,0.03);
}
.cta-inner{
  text-align:center;
  max-width:640px;
  margin:0 auto;
  position:relative;
  z-index:1;
}
.cta-inner h2{
  font-family:var(--font-serif-cn);
  font-size:clamp(24px,3vw,34px);
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
  line-height:1.3;
}
.cta-inner p{
  font-size:16px;
  color:rgba(255,255,255,0.85);
  margin-bottom:32px;
  line-height:1.7;
}
.cta-buttons{
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
}
.cta-buttons .btn-primary{
  background:#fff;
  color:var(--color-primary);
  box-shadow:0 4px 16px rgba(0,0,0,0.15);
}
.cta-buttons .btn-primary:hover{
  background:var(--color-accent-soft);
  color:var(--color-primary-dark);
  box-shadow:0 8px 24px rgba(0,0,0,0.2);
}
.cta-buttons .btn-secondary{
  border-color:rgba(255,255,255,0.5);
  color:#fff;
}
.cta-buttons .btn-secondary:hover{
  border-color:#fff;
  color:#fff;
  background:rgba(255,255,255,0.1);
}

/* ===== Footer ===== */
.site-footer{
  background:var(--color-bg-deep);
  color:#DFE5E2;
  padding:70px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr;
  gap:50px;
  padding-bottom:50px;
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.footer-brand .footer-logo{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-logo .logo-mark{
  background:var(--color-primary);
}
.footer-logo span:last-child{
  font-family:var(--font-serif-cn);
  font-size:16px;
  font-weight:600;
  color:#fff;
}
.footer-brand p{
  font-size:14px;
  line-height:1.7;
  color:rgba(223,229,226,0.7);
  max-width:300px;
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{
  font-size:14px;
  color:rgba(223,229,226,0.75);
  display:inline-flex;
  align-items:center;
  gap:8px;
  transition:color var(--transition-time), gap var(--transition-time);
}
.footer-col ul li a:hover{
  color:#fff;
  gap:12px;
}
.footer-social{
  display:flex;
  gap:12px;
  margin-top:18px;
}
.footer-social a{
  width:36px;
  height:36px;
  border-radius:50%;
  background:rgba(255,255,255,0.08);
  display:flex;
  align-items:center;
  justify-content:center;
  color:rgba(223,229,226,0.8);
  font-size:14px;
  transition:all var(--transition-time);
}
.footer-social a:hover{
  background:var(--color-accent);
  color:#fff;
  transform:translateY(-3px);
}
.footer-bottom{
  padding:24px 0 32px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.footer-bottom p{
  font-size:13px;
  color:rgba(223,229,226,0.5);
}
.footer-links{
  display:flex;
  gap:18px;
  flex-wrap:wrap;
}
.footer-links a{
  font-size:13px;
  color:rgba(223,229,226,0.5);
  transition:color var(--transition-time);
}
.footer-links a:hover{color:#fff}

/* ===== Animations ===== */
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible{
  opacity:1;
  transform:translateY(0);
}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{transition:none !important;animation:none !important}
}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .container{padding:0 20px}
  .header-inner{flex-wrap:wrap;gap:12px;padding:12px 16px}
  .header-nav-wrap{order:3;width:100%;justify-content:flex-start;max-height:0;overflow:hidden;transition:max-height 0.4s ease}
  .header-nav-wrap.open{max-height:260px}
  .nav-cards{flex-wrap:wrap;padding-top:8px}
  .menu-toggle{display:flex}
  .main-content .grid-x .cell.large-4{
    margin-top:24px;
  }
  .methods-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .scenario-block{flex-direction:column;gap:28px}
  .scenario-block.reverse{flex-direction:column}
  .scenario-image{flex:0 0 auto;width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  .page-hero{padding:60px 0 50px}
  .hero-ctas{flex-direction:column;align-items:flex-start}
  .hero-ctas .btn{width:100%}
  .entry-card{flex-direction:column}
  .entry-thumb{flex:0 0 auto;height:160px}
  .entry-thumb img{height:100%}
  .entry-info{padding:16px}
  .cta-buttons{flex-direction:column}
  .cta-buttons .btn{width:100%}
  .footer-bottom{flex-direction:column;text-align:center}
  .footer-links{justify-content:center}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .logo-text{font-size:14px}
  .logo-mark{width:32px;height:32px;font-size:12px}
  .header-actions .btn-sm{display:none}
  .page-hero h1{font-size:26px}
  .page-hero .subtitle{font-size:14px}
  .methods-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr}
  .quick-stats{padding:30px 0 10px}
  .section-head h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-brand p{max-width:100%}
}
@media print{
  .site-header,.site-footer,.cta-section,.quick-stats{display:none !important}
  body{background:#fff}
  .container{max-width:100%;padding:0}
  .main-content{width:100%}
  .sidebar{display:none}
}

/* roulang page: category2 */
:root {
            --color-primary: #2F6B5F;
            --color-primary-dark: #224C44;
            --color-accent: #F27F5A;
            --color-accent-soft: #FCE9E2;
            --color-bg: #F7F5F0;
            --color-bg-card: #FFFFFF;
            --color-bg-deep: #1E2623;
            --color-text: #1A211E;
            --color-text-secondary: #54635E;
            --color-border: #E6E1D7;
            --color-border-strong: #C9C0AF;
            --color-faq-bar: #F1EDE4;
            --font-serif-cn: 'Noto Serif SC', 'Songti SC', STSong, serif;
            --font-sans-cn: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --radius-card: 6px;
            --radius-btn: 999px;
            --shadow-main: 0 12px 40px rgba(26, 33, 30, 0.08);
            --shadow-hover: 0 20px 50px rgba(26, 33, 30, 0.13);
            --spacing-section: clamp(64px, 9vw, 110px);
            --container-w: 1200px;
            --transition-time: 0.3s cubic-bezier(.4, 0, .2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans-cn);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

        h1,
        h2,
        h3,
        h4,
        h5 {
            font-family: var(--font-serif-cn);
            line-height: 1.35;
            font-weight: 700;
        }

        p {
            margin-bottom: 1em;
        }

        ul {
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
        }

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

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

        .grid-x {
            margin-left: -12px;
            margin-right: -12px;
        }

        .grid-x > .cell {
            padding-left: 12px;
            padding-right: 12px;
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: sticky;
            top: 12px;
            z-index: 200;
            padding: 0 16px;
        }

        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--color-border);
            border-radius: 8px;
            box-shadow: var(--shadow-main);
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 12px 20px;
            transition: box-shadow var(--transition-time), background var(--transition-time);
        }

        .site-header.scrolled .header-inner {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: var(--shadow-hover);
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 6px;
            font-family: var(--font-serif-cn);
            font-weight: 700;
            font-size: 15px;
            letter-spacing: 0;
        }

        .logo-text {
            font-family: var(--font-serif-cn);
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            white-space: nowrap;
        }

        .header-nav-wrap {
            flex: 1;
            display: flex;
            justify-content: center;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .header-nav-wrap::-webkit-scrollbar {
            display: none;
        }

        .nav-cards {
            display: flex;
            gap: 8px;
        }

        .nav-card {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 6px;
            background: #F7F5F0;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text);
            border: 1px solid transparent;
            white-space: nowrap;
            transition: all var(--transition-time);
        }

        .nav-card i {
            font-size: 14px;
            color: var(--color-primary);
            transition: color var(--transition-time);
        }

        .nav-card:hover {
            background: var(--color-accent-soft);
            border-color: var(--color-accent-soft);
            transform: translateY(-2px);
            color: var(--color-text);
        }

        .nav-card.active {
            background: var(--color-accent-soft);
            color: #B4532F;
            border-color: var(--color-accent-soft);
        }

        .nav-card.active i {
            color: #B4532F;
        }

        .header-cta {
            flex-shrink: 0;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(242, 127, 90, 0.3);
            transition: all var(--transition-time);
        }

        .btn-primary:hover {
            background: #E06444;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(242, 127, 90, 0.35);
        }

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

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--color-text);
            border: 1px solid var(--color-border-strong);
            border-radius: var(--radius-btn);
            padding: 11px 26px;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-time);
        }

        .btn-outline:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        /* ===== 分类页 Hero ===== */
        .category-hero {
            position: relative;
            background-color: var(--color-primary-dark);
            background-image: linear-gradient(105deg, rgba(30, 38, 35, 0.78) 0%, rgba(30, 38, 35, 0.36) 100%), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            min-height: 240px;
            display: flex;
            align-items: center;
            padding: 56px 0;
            margin: 20px 16px 0;
            border-radius: 12px;
            color: #fff;
        }

        .category-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.72);
            margin-bottom: 14px;
        }

        .category-hero .breadcrumb a {
            color: rgba(255, 255, 255, 0.72);
        }

        .category-hero .breadcrumb a:hover {
            color: #fff;
        }

        .category-hero h1 {
            font-size: 34px;
            letter-spacing: 0.5px;
            max-width: 700px;
            line-height: 1.4;
        }

        .category-hero .hero-sub {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.86);
            max-width: 640px;
            margin-top: 10px;
            line-height: 1.8;
        }

        /* ===== 主内容 + 侧栏 ===== */
        .category-main {
            padding: 56px 0 40px;
        }

        .category-list-cards {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .category-card-item {
            display: flex;
            gap: 20px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 18px;
            transition: transform var(--transition-time), box-shadow var(--transition-time), border-color var(--transition-time);
        }

        .category-card-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-border);
        }

        .category-card-thumb {
            width: 190px;
            flex-shrink: 0;
            aspect-ratio: 4 / 3;
            overflow: hidden;
            border-radius: var(--radius-card);
            background: var(--color-faq-bar);
        }

        .category-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .category-card-item:hover .category-card-thumb img {
            transform: scale(1.04);
        }

        .category-card-body {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .category-card-body h3 {
            font-size: 20px;
            font-family: var(--font-serif-cn);
            color: var(--color-text);
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .category-card-body h3 a {
            color: var(--color-text);
        }

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

        .category-card-desc {
            font-size: 14px;
            line-height: 1.75;
            color: var(--color-text-secondary);
            flex: 1;
            margin-bottom: 14px;
        }

        .card-meta-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }

        .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .tag-badge {
            display: inline-block;
            font-size: 12px;
            line-height: 1;
            padding: 6px 10px;
            border-radius: 999px;
            background: #F1EDE4;
            color: #4F5B55;
            transition: background var(--transition-time), color var(--transition-time);
        }

        .tag-badge.accent {
            background: var(--color-accent-soft);
            color: #B4532F;
        }

        .card-readmore {
            font-size: 13px;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-time);
        }

        .card-readmore:hover {
            gap: 8px;
            color: var(--color-primary-dark);
        }

        /* 侧栏 */
        .sidebar-col {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
        }

        .sidebar-card h3 {
            font-size: 18px;
            font-family: var(--font-serif-cn);
            color: var(--color-text);
            padding-bottom: 12px;
            margin-bottom: 18px;
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h3 i {
            color: var(--color-accent);
            font-size: 16px;
        }

        .tags-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tags-list .tag-badge {
            font-size: 13px;
            padding: 8px 14px;
            cursor: pointer;
            border: 1px solid transparent;
            transition: all var(--transition-time);
        }

        .tags-list .tag-badge:hover {
            background: var(--color-accent-soft);
            color: #B4532F;
            border-color: var(--color-accent-soft);
        }

        .thumb-recommend {
            background: var(--color-faq-bar);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: box-shadow var(--transition-time), transform var(--transition-time);
        }

        .thumb-recommend:hover {
            box-shadow: var(--shadow-main);
            transform: translateY(-3px);
        }

        .thumb-recommend img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        .thumb-recommend-body {
            padding: 16px;
        }

        .thumb-recommend-body h4 {
            font-size: 15px;
            font-family: var(--font-serif-cn);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .thumb-recommend-body p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 10px;
        }

        .thumb-recommend-body a {
            font-size: 13px;
            font-weight: 500;
        }

        .faq-widget .faq-item {
            background: var(--color-faq-bar);
            border-radius: var(--radius-card);
            margin-bottom: 10px;
            overflow: hidden;
            transition: box-shadow var(--transition-time);
        }

        .faq-widget .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 14px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            user-select: none;
        }

        .faq-widget .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-widget .faq-item summary::after {
            content: '+';
            font-size: 20px;
            font-weight: 400;
            color: var(--color-primary);
            transition: transform var(--transition-time);
            line-height: 1;
        }

        .faq-widget .faq-item[open] summary::after {
            transform: rotate(45deg);
        }

        .faq-widget .faq-item .faq-content {
            padding: 0 16px 14px;
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== 场景板块 ===== */
        .scenarios-section {
            background: var(--color-bg-card);
            padding: var(--spacing-section) 0;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .section-heading {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }

        .section-heading h2 {
            font-size: 32px;
            color: var(--color-text);
            margin-bottom: 10px;
        }

        .section-heading p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
        }

        .scenario-card {
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            height: 100%;
            transition: all var(--transition-time);
        }

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

        .scenario-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--color-accent-soft);
            color: var(--color-accent);
            font-size: 22px;
            margin-bottom: 18px;
        }

        .scenario-card h3 {
            font-size: 20px;
            font-family: var(--font-serif-cn);
            margin-bottom: 10px;
        }

        .scenario-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ===== 流程板块 ===== */
        .process-section {
            padding: var(--spacing-section) 0;
        }

        .process-steps {
            display: flex;
            gap: 28px;
            align-items: stretch;
        }

        .step-item {
            flex: 1;
            text-align: center;
            position: relative;
            padding: 0 12px;
        }

        .step-number {
            font-family: var(--font-serif-cn);
            font-size: 42px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 14px;
            opacity: 0.8;
        }

        .step-item h3 {
            font-size: 20px;
            font-family: var(--font-serif-cn);
            margin-bottom: 10px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            max-width: 260px;
            margin: 0 auto;
        }

        .step-item::after {
            content: '→';
            position: absolute;
            right: -18px;
            top: 42px;
            font-size: 20px;
            color: var(--color-primary);
            opacity: 0.4;
        }

        .step-item:last-child::after {
            display: none;
        }

        /* ===== CTA 板块 ===== */
        .cta-section {
            background: var(--color-primary);
            padding: 72px 0;
            text-align: center;
            color: #fff;
        }

        .cta-section h2 {
            font-size: 30px;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

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

        .cta-section .btn-primary {
            background: var(--color-accent);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        }

        .cta-section .btn-outline {
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }

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

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-bg-deep);
            color: #DFE5E2;
            padding: 56px 0 24px;
            margin-top: 0;
        }

        .site-footer .container {
            max-width: 1200px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-logo .logo-mark {
            background: var(--color-accent);
        }

        .footer-logo span:last-child {
            font-family: var(--font-serif-cn);
            font-size: 18px;
            font-weight: 600;
            color: #fff;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(223, 229, 226, 0.72);
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            color: #fff;
            font-family: var(--font-sans-cn);
            font-weight: 500;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

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

        .footer-col ul li a {
            color: rgba(223, 229, 226, 0.78);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-time);
        }

        .footer-col ul li a i {
            color: var(--color-accent);
            font-size: 12px;
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 16px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: all var(--transition-time);
        }

        .footer-social a:hover {
            background: var(--color-accent);
            color: #fff;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            padding-top: 22px;
            font-size: 13px;
            color: rgba(223, 229, 226, 0.56);
        }

        .footer-bottom p {
            margin: 0;
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom .footer-links a {
            color: rgba(223, 229, 226, 0.56);
            font-size: 13px;
        }

        .footer-bottom .footer-links a:hover {
            color: #fff;
        }

        /* ===== 动效 ===== */
        .reveal-section {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity 0.5s ease, transform 0.5s ease;
        }

        .reveal-section.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .header-inner {
                flex-wrap: wrap;
                gap: 10px;
            }

            .header-nav-wrap {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                padding-top: 6px;
                overflow-x: auto;
            }

            .nav-cards {
                gap: 6px;
            }

            .nav-card {
                padding: 8px 12px;
                font-size: 12px;
            }

            .category-main {
                padding: 40px 0 32px;
            }

            .category-card-thumb {
                width: 160px;
            }

            .process-steps {
                flex-direction: column;
                gap: 32px;
            }

            .step-item::after {
                display: none;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .category-hero {
                min-height: 200px;
                padding: 40px 0;
                margin: 12px 12px 0;
            }

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

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

            .category-card-item {
                flex-direction: column;
                gap: 14px;
            }

            .category-card-thumb {
                width: 100%;
                aspect-ratio: 16 / 9;
            }

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

            .process-steps {
                flex-direction: column;
            }

            .step-item {
                text-align: left;
            }

            .step-item p {
                max-width: none;
            }

            .scenario-card {
                padding: 24px 20px;
                margin-bottom: 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .cta-section {
                padding: 56px 0;
            }

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

            .cta-actions {
                flex-direction: column;
                align-items: center;
                gap: 12px;
            }

            .cta-actions .btn-primary,
            .cta-actions .btn-outline {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .header-inner {
                padding: 10px 14px;
            }

            .logo-text {
                font-size: 14px;
            }

            .header-cta .btn-primary {
                padding: 10px 18px;
                font-size: 13px;
            }

            .nav-card span {
                font-size: 12px;
            }

            .nav-card i {
                font-size: 13px;
            }

            .category-hero h1 {
                font-size: 23px;
            }

            .category-hero .hero-sub {
                font-size: 14px;
            }

            .category-main {
                padding: 32px 0 24px;
            }

            .category-card-body h3 {
                font-size: 18px;
            }

            .category-card-desc {
                font-size: 13px;
            }

            .card-meta-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

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

            .step-number {
                font-size: 36px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                transition-duration: 0.01ms !important;
                animation-duration: 0.01ms !important;
            }

            html {
                scroll-behavior: auto;
            }

            .reveal-section {
                opacity: 1;
                transform: none;
            }
        }

        @media print {
            .site-header,
            .site-footer,
            .cta-section,
            .sidebar-col {
                display: none !important;
            }

            .category-main {
                padding: 0;
            }

            .category-hero {
                margin: 0;
                border-radius: 0;
                min-height: 0;
                padding: 32px 0;
            }

            .category-hero h1 {
                color: #000;
            }

            .category-hero .breadcrumb,
            .category-hero .hero-sub {
                color: #333;
            }

            .container {
                max-width: 100%;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #2F6B5F;
            --color-primary-dark: #224C44;
            --color-accent: #F27F5A;
            --color-accent-soft: #FCE9E2;
            --color-bg: #F7F5F0;
            --color-bg-card: #FFFFFF;
            --color-bg-deep: #1E2623;
            --color-text: #1A211E;
            --color-text-secondary: #54635E;
            --color-border: #E6E1D7;
            --color-border-strong: #C9C0AF;
            --color-faq-bar: #F1EDE4;
            --font-serif-cn: 'Noto Serif SC', 'Songti SC', STSong, serif;
            --font-sans-cn: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --radius-card: 6px;
            --radius-btn: 999px;
            --shadow-main: 0 12px 40px rgba(26,33,30,0.08);
            --shadow-hover: 0 20px 50px rgba(26,33,30,0.13);
            --spacing-section: clamp(64px, 9vw, 110px);
            --container-w: 1200px;
            --transition-time: 0.3s cubic-bezier(.4,0,.2,1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

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

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

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

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

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            background: none;
        }

        ul, ol {
            list-style: none;
        }

        h1, h2, h3, h4 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-text);
        }

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

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

        .section-white {
            background: #FFFFFF;
        }

        .section-head {
            margin-bottom: 40px;
            max-width: 680px;
        }

        .section-head h2 {
            font-family: var(--font-serif-cn);
            font-size: clamp(24px, 3vw, 32px);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .section-head p {
            color: var(--color-text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }

        .section-kicker {
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-primary);
            letter-spacing: 0.04em;
            margin-bottom: 10px;
            text-transform: uppercase;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 500;
            line-height: 1.4;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(.4,0,.2,1);
            text-align: center;
            white-space: nowrap;
        }

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

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 12px rgba(242,127,90,0.3);
        }

        .btn-primary:hover {
            background: #E06444;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(242,127,90,0.35);
        }

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

        .btn-outline:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 20px;
            font-size: 14px;
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
        }

        .btn-white {
            background: #fff;
            color: var(--color-primary-dark);
            box-shadow: 0 4px 14px rgba(0,0,0,0.12);
        }

        .btn-white:hover {
            background: #f0f0f0;
            color: var(--color-primary-dark);
            transform: translateY(-2px);
        }

        /* ===== Tags ===== */
        .tag {
            display: inline-block;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 500;
            border-radius: 999px;
            background: #F1EDE4;
            color: #4F5B55;
            transition: all 0.2s ease;
            line-height: 1.6;
        }

        .tag-accent {
            background: var(--color-accent-soft);
            color: #B4532F;
        }

        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-list .tag:hover {
            background: var(--color-accent-soft);
            color: #B4532F;
            cursor: pointer;
        }

        /* ===== Text link ===== */
        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-primary);
        }

        .text-link .arrow {
            display: inline-block;
            transition: transform 0.3s ease;
        }

        .text-link:hover .arrow {
            transform: translateX(3px);
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 12px;
            z-index: 100;
            width: 100%;
            padding: 0 16px;
        }

        .header-inner {
            position: relative;
            max-width: var(--container-w);
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border: 1px solid var(--color-border);
            border-radius: 8px;
            box-shadow: var(--shadow-main);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 12px 20px;
            transition: box-shadow var(--transition-time), background var(--transition-time);
        }

        .site-header.scrolled .header-inner {
            box-shadow: var(--shadow-hover);
            background: rgba(255, 255, 255, 0.95);
        }

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

        .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            font-family: var(--font-serif-cn);
            letter-spacing: 0.02em;
        }

        .brand-text {
            font-family: var(--font-serif-cn);
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            white-space: nowrap;
        }

        .header-nav-wrap {
            flex: 1;
            display: flex;
            justify-content: center;
        }

        .nav-cards {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-card {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 14px;
            border-radius: 6px;
            background: var(--color-bg);
            color: var(--color-text);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition-time);
            border: 1px solid transparent;
        }

        .nav-card i {
            color: var(--color-primary);
            font-size: 14px;
            transition: color 0.2s ease;
        }

        .nav-card:hover {
            background: var(--color-accent-soft);
            color: var(--color-primary-dark);
            border-color: var(--color-border);
        }

        .nav-card.active {
            background: var(--color-accent-soft);
            color: var(--color-primary-dark);
            font-weight: 700;
            border-color: var(--color-border);
        }

        .nav-card.active i {
            color: var(--color-accent);
        }

        .header-cta {
            flex-shrink: 0;
        }

        .mobile-toggle {
            display: none;
            padding: 8px 12px;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 6px;
            cursor: pointer;
            color: var(--color-text);
            font-size: 18px;
            transition: var(--transition-time);
        }

        .mobile-toggle:hover {
            background: var(--color-accent-soft);
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            padding: clamp(48px, 6vw, 80px) 0;
            background: linear-gradient(105deg, rgba(30, 38, 35, 0.9) 0%, rgba(34, 76, 68, 0.75) 60%, rgba(34, 76, 68, 0.62) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            margin-top: 14px;
            border-radius: 0;
        }

        .category-hero-inner {
            position: relative;
            z-index: 1;
        }

        .category-hero .breadcrumb {
            font-size: 13px;
            opacity: 0.75;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.8);
        }

        .category-hero .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
        }

        .category-hero .breadcrumb a:hover {
            color: #fff;
        }

        .category-hero .breadcrumb .sep {
            opacity: 0.5;
        }

        .category-hero .breadcrumb .current {
            color: rgba(255, 255, 255, 0.95);
        }

        .category-hero h1 {
            font-family: var(--font-serif-cn);
            font-size: clamp(28px, 4vw, 40px);
            color: #fff;
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }

        .category-hero p {
            max-width: 620px;
            font-size: 16px;
            line-height: 1.8;
            opacity: 0.88;
        }

        /* ===== Overview cards ===== */
        .overview-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 22px;
            height: 100%;
            transition: var(--transition-time);
            display: flex;
            flex-direction: column;
        }

        .overview-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }

        .overview-icon {
            width: 48px;
            height: 48px;
            border-radius: 8px;
            background: var(--color-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 20px;
            margin-bottom: 18px;
            transition: var(--transition-time);
        }

        .overview-card:hover .overview-icon {
            background: var(--color-accent-soft);
            color: var(--color-accent);
        }

        .overview-card h3 {
            font-size: 17px;
            margin-bottom: 8px;
        }

        .overview-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        /* ===== Stats ===== */
        .stats-bar {
            background: #fff;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            padding: 36px 0;
        }

        .stat-item {
            text-align: center;
            padding: 12px 8px;
        }

        .stat-item strong {
            display: block;
            font-family: var(--font-serif-cn);
            font-size: 34px;
            color: var(--color-primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-item span {
            font-size: 14px;
            color: var(--color-text-secondary);
        }

        /* ===== Highlight blocks ===== */
        .highlight-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: clamp(30px, 5vw, 60px);
            align-items: center;
            margin-bottom: clamp(40px, 6vw, 70px);
        }

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

        .highlight-media {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-main);
            position: relative;
        }

        .highlight-media img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .highlight-text .tag {
            margin-bottom: 14px;
        }

        .highlight-text h2 {
            font-family: var(--font-serif-cn);
            font-size: clamp(22px, 2.6vw, 30px);
            margin-bottom: 18px;
            letter-spacing: 0.01em;
        }

        .highlight-text p {
            color: var(--color-text-secondary);
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 14px;
        }

        .highlight-text p:last-of-type {
            margin-bottom: 0;
        }

        /* ===== List + Sidebar ===== */
        .content-block {
            padding: var(--spacing-section) 0;
            background: var(--color-bg);
        }

        .content-block .list-head {
            margin-bottom: 24px;
        }

        .content-block .list-head h2 {
            font-family: var(--font-serif-cn);
            font-size: clamp(22px, 2.8vw, 30px);
            margin-bottom: 6px;
        }

        .content-block .list-head p {
            color: var(--color-text-secondary);
            font-size: 15px;
        }

        .list-card {
            display: flex;
            gap: 18px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px;
            margin-bottom: 14px;
            transition: var(--transition-time);
            align-items: flex-start;
        }

        .list-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }

        .list-icon {
            flex: 0 0 50px;
            height: 50px;
            border-radius: 8px;
            background: var(--color-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 19px;
            transition: var(--transition-time);
        }

        .list-card:hover .list-icon {
            background: var(--color-accent-soft);
            color: var(--color-accent);
        }

        .list-body {
            flex: 1;
        }

        .list-body h3 {
            font-size: 16px;
            margin-bottom: 6px;
            color: var(--color-text);
            transition: color 0.2s ease;
        }

        .list-card:hover .list-body h3 {
            color: var(--color-primary);
        }

        .list-body p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-bottom: 8px;
        }

        .list-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: var(--color-text-secondary);
        }

        .list-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .list-meta i {
            color: var(--color-primary);
            font-size: 12px;
        }

        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 22px;
        }

        .sidebar-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: var(--transition-time);
        }

        .sidebar-card:hover {
            box-shadow: var(--shadow-main);
            border-color: var(--color-border-strong);
        }

        .sidebar-card h3 {
            font-size: 16px;
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--color-border);
            position: relative;
        }

        .sidebar-card h3::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -1px;
            width: 28px;
            height: 2px;
            background: var(--color-accent);
        }

        .sidebar-faq details {
            border-bottom: 1px solid var(--color-border);
            padding: 10px 0;
        }

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

        .sidebar-faq summary {
            cursor: pointer;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            transition: color 0.2s ease;
        }

        .sidebar-faq summary::-webkit-details-marker {
            display: none;
        }

        .sidebar-faq summary::after {
            content: '+';
            font-size: 18px;
            color: var(--color-accent);
            font-weight: 400;
            transition: transform 0.3s ease;
        }

        .sidebar-faq details[open] summary::after {
            transform: rotate(45deg);
        }

        .sidebar-faq .faq-answer {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            padding-top: 8px;
        }

        .sidebar-recommend {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
        }

        .sidebar-recommend img {
            width: 100%;
            height: 130px;
            object-fit: cover;
        }

        .sidebar-recommend .recommend-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 20%, rgba(26, 33, 30, 0.85) 100%);
            display: flex;
            align-items: flex-end;
            padding: 16px;
        }

        .sidebar-recommend .recommend-overlay span {
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            line-height: 1.5;
        }

        /* ===== Steps ===== */
        .steps-section {
            background: #fff;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .steps-section .section-head {
            max-width: none;
            text-align: center;
        }

        .step-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 30px 24px;
            text-align: center;
            height: 100%;
            position: relative;
            transition: var(--transition-time);
            overflow: hidden;
        }

        .step-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-accent);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

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

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

        .step-num {
            font-family: var(--font-serif-cn);
            font-size: 38px;
            font-weight: 700;
            color: var(--color-primary);
            opacity: 0.22;
            line-height: 1;
            margin-bottom: 16px;
            display: block;
        }

        .step-card h3 {
            font-size: 17px;
            margin-bottom: 8px;
        }

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

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--color-faq-bar);
        }

        .faq-section .section-head {
            max-width: none;
            text-align: center;
        }

        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow 0.3s ease;
        }

        .faq-item[open] {
            box-shadow: var(--shadow-main);
        }

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 18px 24px;
            font-size: 15px;
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            color: var(--color-text);
            transition: color 0.2s ease;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '+';
            font-size: 22px;
            color: var(--color-accent);
            font-weight: 400;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }

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

        .faq-answer {
            padding: 0 24px 20px;
            color: var(--color-text-secondary);
            font-size: 14px;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: var(--spacing-section) 0;
        }

        .cta-box {
            background: linear-gradient(120deg, rgba(30, 38, 35, 0.92) 0%, rgba(47, 107, 95, 0.88) 100%), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            color: #fff;
            border-radius: 12px;
            padding: clamp(44px, 6vw, 76px) clamp(24px, 5vw, 60px);
            text-align: center;
            box-shadow: var(--shadow-main);
        }

        .cta-box h2 {
            font-family: var(--font-serif-cn);
            font-size: clamp(24px, 3vw, 32px);
            color: #fff;
            margin-bottom: 14px;
        }

        .cta-box p {
            opacity: 0.85;
            font-size: 15px;
            max-width: 560px;
            margin: 0 auto 30px;
            line-height: 1.8;
        }

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

        .cta-box .btn-outline {
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }

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

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-bg-deep);
            color: #DFE5E2;
            padding: 60px 0 0;
            position: relative;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-brand .footer-logo .logo-mark {
            background: var(--color-accent);
            color: #fff;
        }

        .footer-brand .footer-logo span:last-child {
            font-family: var(--font-serif-cn);
            font-size: 16px;
            font-weight: 600;
            color: #fff;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: #B7C4BE;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            color: #B7C4BE;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

        .footer-col ul a i {
            color: var(--color-accent);
            font-size: 13px;
        }

        .footer-col ul a:hover {
            color: #fff;
            padding-left: 3px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 16px;
        }

        .footer-social a {
            width: 34px;
            height: 34px;
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #B7C4BE;
            font-size: 14px;
            transition: var(--transition-time);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: #9AA8A2;
        }

        .footer-bottom p {
            margin: 0;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-links a {
            color: #9AA8A2;
            font-size: 13px;
            transition: color 0.2s ease;
        }

        .footer-links a:hover {
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }

            .sidebar {
                margin-top: 30px;
            }

            .sidebar-card {
                padding: 20px;
            }

            .section {
                --spacing-section: clamp(56px, 7vw, 80px);
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }

            .header-inner {
                padding: 10px 16px;
                gap: 12px;
            }

            .mobile-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .header-nav-wrap {
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                background: #fff;
                border: 1px solid var(--color-border);
                border-radius: 8px;
                box-shadow: var(--shadow-hover);
                padding: 14px;
                display: none;
                z-index: 200;
            }

            .header-nav-wrap.open {
                display: block;
            }

            .nav-cards {
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
            }

            .nav-card {
                justify-content: flex-start;
                padding: 12px 16px;
            }

            .header-cta {
                display: none;
            }

            .highlight-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .highlight-block.reverse .highlight-media {
                order: 0;
            }

            .highlight-media img {
                aspect-ratio: 16 / 9;
            }

            .cta-box .btn-group {
                flex-direction: column;
                align-items: center;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .footer-brand {
                grid-column: auto;
            }

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

        @media (max-width: 640px) {
            .category-hero {
                padding: 42px 0;
            }

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

            .category-hero p {
                font-size: 15px;
            }

            .btn-lg {
                padding: 12px 28px;
                font-size: 15px;
            }

            .overview-card {
                padding: 22px 18px;
            }

            .list-card {
                flex-direction: column;
                gap: 12px;
            }

            .list-icon {
                flex-basis: 42px;
                height: 42px;
                width: 42px;
                font-size: 16px;
            }

            .stat-item strong {
                font-size: 28px;
            }

            .stat-item span {
                font-size: 13px;
            }

            .step-card {
                padding: 22px 18px;
            }

            .faq-item summary {
                padding: 15px 18px;
                font-size: 14px;
            }

            .faq-answer {
                padding: 0 18px 16px;
            }
        }

        @media (max-width: 520px) {
            .brand-text {
                font-size: 14px;
            }

            .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 13px;
            }

            .category-hero h1 {
                font-size: 24px;
            }

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

            .btn-lg {
                padding: 12px 26px;
                font-size: 15px;
            }
        }

        /* ===== Motion & print ===== */
        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }

            html {
                scroll-behavior: auto;
            }
        }

        @media print {
            .site-header,
            .site-footer,
            .mobile-toggle,
            .cta-section,
            .sidebar {
                display: none !important;
            }

            body {
                background: #fff;
                font-size: 14px;
            }

            .container {
                max-width: 100%;
                padding: 0;
            }

            .section {
                padding: 24px 0;
            }

            .highlight-block {
                grid-template-columns: 1fr;
            }

            .highlight-media img {
                max-height: 240px;
            }
        }