/* roulang page: index */
:root {
            --color-primary: #16332E;
            --color-primary-dark: #0E2A27;
            --color-primary-light: #DCEAE8;
            --color-accent: #E39A2D;
            --color-bg: #F7F5F0;
            --color-surface: #FFFFFF;
            --color-text: #1F2826;
            --color-text-secondary: #687572;
            --color-border: #E1E5E1;
            --color-success: #2E8B6F;
            --color-warning: #C96A3A;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 24px rgba(22, 51, 46, 0.08);
            --shadow-card-hover: 0 16px 36px rgba(22, 51, 46, 0.16);
            --shadow-nav: 0 1px 0 #E1E5E1;
            --font-title: "Alibaba PuHuiTi", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, sans-serif;
            --container-max: 1200px;
            --section-pad: 80px;
            --section-pad-sm: 56px;
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        h1, h2, h3, h4, h5, h6, p, ul, ol, figure, blockquote {
            margin: 0;
        }

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

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

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

        button {
            cursor: pointer;
        }

        ul, ol {
            list-style: none;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        .section-tint {
            background: var(--color-primary-light);
        }

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

        .section-head.center {
            text-align: center;
        }

        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(227, 154, 45, 0.12);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-title {
            font-family: var(--font-title);
            font-size: clamp(26px, 3vw, 32px);
            font-weight: 800;
            color: var(--color-primary-dark);
            line-height: 1.35;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            max-width: 720px;
        }

        .section-head.center .section-subtitle {
            margin: 0 auto;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            height: 72px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.8px;
        }

        .brand-logo .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 900;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            padding: 6px 2px;
            position: relative;
            white-space: nowrap;
        }

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

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--color-primary);
        }

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

        .header-cta {
            display: inline-flex;
            align-items: center;
            min-height: 42px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            background: var(--color-primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition);
        }

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

        .header-cta:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            border: 1px solid var(--color-border);
            background: var(--color-surface);
            transition: border-color var(--transition);
        }

        .nav-toggle:hover {
            border-color: var(--color-primary);
        }

        .nav-toggle .bar {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            position: relative;
            transition: all var(--transition);
        }

        .nav-toggle .bar::before,
        .nav-toggle .bar::after {
            content: '';
            position: absolute;
            left: 0;
            width: 22px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .nav-toggle .bar::before {
            top: -7px;
        }

        .nav-toggle .bar::after {
            bottom: -7px;
        }

        .nav-toggle.open .bar {
            background: transparent;
        }

        .nav-toggle.open .bar::before {
            top: 0;
            transform: rotate(45deg);
        }

        .nav-toggle.open .bar::after {
            bottom: 0;
            transform: rotate(-45deg);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

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

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

        .btn-primary:active {
            transform: translateY(0);
        }

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

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

        .btn-accent {
            background: var(--color-accent);
            color: #fff;
        }

        .btn-accent:hover {
            background: #C8891E;
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }

        .btn-sm {
            min-height: 36px;
            padding: 0 18px;
            font-size: 14px;
        }

        .btn-lg {
            min-height: 50px;
            padding: 0 36px;
            font-size: 16px;
        }

        /* ===== Hero ===== */
        .hero {
            padding: 72px 0 48px;
            overflow: hidden;
            position: relative;
            background: linear-gradient(165deg, #F7F5F0 0%, #EDEFEA 55%, #DCEAE8 100%);
        }

        .hero .container {
            display: grid;
            grid-template-columns: 55% 45%;
            gap: 40px;
            align-items: center;
        }

        .hero-content h1 {
            font-family: var(--font-title);
            font-size: clamp(28px, 4vw, 44px);
            font-weight: 800;
            color: var(--color-primary-dark);
            line-height: 1.25;
            margin-bottom: 20px;
        }

        .hero-content .hero-subtitle {
            font-size: 18px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

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

        .hero-signal {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        .hero-signal .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-success);
            flex-shrink: 0;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.55; transform: scale(1.3); }
        }

        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-visual .visual-frame {
            width: 100%;
            max-width: 480px;
            aspect-ratio: 4 / 3;
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--color-primary-light);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .hero-visual .visual-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-float-card {
            position: absolute;
            background: var(--color-surface);
            border-radius: 12px;
            padding: 14px 18px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            font-size: 13px;
            color: var(--color-text-secondary);
            z-index: 5;
        }

        .hero-float-card strong {
            display: block;
            font-size: 20px;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 2px;
        }

        .hero-float-card.card-top {
            top: 12px;
            right: -8px;
        }

        .hero-float-card.card-bottom {
            bottom: -12px;
            left: 16px;
        }

        /* ===== Trust Bar ===== */
        .trust-bar {
            margin-top: -28px;
            position: relative;
            z-index: 10;
        }

        .trust-bar .container {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            padding: 24px 32px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }

        .trust-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            min-width: 90px;
        }

        .trust-item .number {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 800;
            color: var(--color-primary);
        }

        .trust-item .label {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin-top: 4px;
            font-weight: 500;
        }

        /* ===== Category Entry ===== */
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .entry-card {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
            position: relative;
            overflow: hidden;
        }

        .entry-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--color-primary);
            border-radius: var(--radius-card) var(--radius-card) 0 0;
            opacity: 0;
            transition: opacity var(--transition);
        }

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

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

        .entry-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .entry-card h3 {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary-dark);
        }

        .entry-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }

        .entry-card .entry-action {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            margin-top: auto;
        }

        .entry-card .entry-action .arrow {
            transition: transform var(--transition);
        }

        .entry-card:hover .entry-action .arrow {
            transform: translateX(4px);
        }

        /* ===== Core Services ===== */
        .core-services-grid {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 48px;
            align-items: start;
        }

        .core-services-cards {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .service-card {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 24px;
            transition: all var(--transition);
        }

        .service-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-primary);
            transform: translateY(-3px);
        }

        .service-card .service-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 14px;
        }

        .service-card h3 {
            font-family: var(--font-title);
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 8px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }

        /* ===== Flow Steps ===== */
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .flow-step {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 24px;
            text-align: center;
            position: relative;
            transition: all var(--transition);
        }

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

        .flow-step .step-number {
            font-family: var(--font-title);
            font-size: 36px;
            font-weight: 800;
            color: var(--color-primary-light);
            line-height: 1;
            margin-bottom: 12px;
        }

        .flow-step h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 6px;
        }

        .flow-step p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ===== Industry Solutions ===== */
        .industry-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .industry-card {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .industry-card .industry-img {
            height: 180px;
            overflow: hidden;
            background: var(--color-primary-light);
        }

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

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

        .industry-card .industry-body {
            padding: 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .industry-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(227, 154, 45, 0.1);
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            align-self: flex-start;
        }

        .industry-card h3 {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary-dark);
        }

        .industry-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }

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

        .industry-card:hover .industry-link {
            text-decoration: underline;
        }

        /* ===== Data Dashboard ===== */
        .dashboard-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .dashboard-visual {
            background: var(--color-primary-dark);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .dashboard-visual .chart-placeholder {
            width: 100%;
            height: 220px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            margin-bottom: 16px;
            border: 1px dashed rgba(255, 255, 255, 0.2);
        }

        .dashboard-metrics {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
        }

        .dashboard-metric {
            background: rgba(255, 255, 255, 0.08);
            border-radius: 10px;
            padding: 14px;
            text-align: center;
            color: #fff;
        }

        .dashboard-metric strong {
            display: block;
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 2px;
            color: #fff;
        }

        .dashboard-metric span {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== News / CMS List ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .news-card .news-thumb {
            height: 160px;
            overflow: hidden;
            background: var(--color-primary-light);
        }

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

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

        .news-card .news-body {
            padding: 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

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

        .news-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-primary-light);
            padding: 2px 10px;
            border-radius: var(--radius-pill);
        }

        .news-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary-dark);
            line-height: 1.5;
        }

        .news-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .empty-state {
            text-align: center;
            padding: 40px;
            background: var(--color-surface);
            border-radius: var(--radius-card);
            border: 1px dashed var(--color-border);
            color: var(--color-text-secondary);
            font-size: 15px;
        }

        /* ===== Case Studies ===== */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .case-card {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .case-card .case-img {
            height: 140px;
            overflow: hidden;
            background: var(--color-primary-light);
        }

        .case-card .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-card .case-body {
            padding: 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .case-card h3 {
            font-family: var(--font-title);
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary-dark);
        }

        .case-card .case-tag {
            font-size: 12px;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        .case-card .case-metric {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-accent);
        }

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

        /* ===== Sourcing Standard ===== */
        .sourcing-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .sourcing-item {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 22px;
            text-align: center;
            transition: all var(--transition);
        }

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

        .sourcing-item .sourcing-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 12px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-primary);
        }

        .sourcing-item h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 6px;
        }

        .sourcing-item p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ===== Service Promise ===== */
        .promise-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .promise-card {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 24px;
            text-align: center;
            transition: all var(--transition);
        }

        .promise-card:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
            border-color: var(--color-primary);
        }

        .promise-card .promise-icon {
            width: 52px;
            height: 52px;
            margin: 0 auto 14px;
            border-radius: 12px;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
        }

        .promise-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 6px;
        }

        .promise-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ===== CTA Banner ===== */
        .cta-banner {
            background: var(--color-primary-dark);
            border-radius: var(--radius-card);
            padding: 56px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(227, 154, 45, 0.15);
            pointer-events: none;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .cta-banner h2 {
            font-family: var(--font-title);
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            position: relative;
            z-index: 2;
        }

        .cta-banner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 2;
        }

        .cta-banner .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        .cta-banner .btn-accent {
            background: var(--color-accent);
            color: #fff;
        }

        .cta-banner .btn-accent:hover {
            background: #C8891E;
        }

        .cta-banner .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.45);
        }

        .cta-banner .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: 12px;
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: border-color var(--transition);
        }

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

        .faq-item.open {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary-dark);
            text-align: left;
            cursor: pointer;
            background: transparent;
            transition: color var(--transition);
        }

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

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 16px;
            color: var(--color-primary);
            transition: transform var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        /* ===== Resource Center ===== */
        .resource-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .resource-card {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 24px;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .resource-card:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
            border-color: var(--color-primary);
        }

        .resource-card .resource-icon {
            font-size: 28px;
            margin-bottom: 8px;
        }

        .resource-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary-dark);
        }

        .resource-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        .resource-card .resource-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            margin-top: auto;
        }

        /* ===== Mobile Promotion ===== */
        .mobile-promo {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .mobile-promo .phone-visual {
            max-width: 300px;
            margin: 0 auto;
            aspect-ratio: 9 / 18;
            border-radius: 28px;
            background: var(--color-primary-dark);
            border: 6px solid var(--color-primary);
            box-shadow: var(--shadow-card-hover);
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .mobile-promo .phone-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .mobile-promo-content h2 {
            font-family: var(--font-title);
            font-size: clamp(24px, 3vw, 30px);
            font-weight: 800;
            color: var(--color-primary-dark);
            margin-bottom: 16px;
        }

        .mobile-promo-content p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-bottom: 24px;
            max-width: 440px;
        }

        .mobile-promo-content .promo-highlights {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }

        .promo-highlights .promo-badge {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-primary-light);
            padding: 6px 14px;
            border-radius: var(--radius-pill);
        }

        /* ===== Contact Form ===== */
        .contact-section .form-card {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            padding: 36px 40px;
            max-width: 680px;
            margin: 0 auto;
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            font-size: 15px;
            color: var(--color-text);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(22, 51, 46, 0.12);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }

        .form-submit {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .form-success {
            display: none;
            padding: 14px 18px;
            border-radius: var(--radius-btn);
            background: rgba(46, 139, 111, 0.1);
            color: var(--color-success);
            font-size: 14px;
            font-weight: 600;
        }

        .form-success.visible {
            display: block;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 24px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 12px;
        }

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

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

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

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom .copyright {
            font-size: 13px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-visual {
                order: -1;
            }
            .hero-visual .visual-frame {
                max-width: 480px;
                margin: 0 auto;
            }
            .entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .core-services-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .dashboard-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .mobile-promo {
                grid-template-columns: 1fr;
                gap: 32px;
                text-align: center;
            }
            .mobile-promo .promo-highlights {
                justify-content: center;
            }
            .mobile-promo-content p {
                margin-left: auto;
                margin-right: auto;
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .sourcing-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .promise-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .resource-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: var(--section-pad-sm);
            }
            .site-header {
                height: 64px;
            }
            .main-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--color-surface);
                flex-direction: column;
                padding: 20px 24px;
                gap: 12px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
                transform: translateY(-120%);
                transition: transform 0.3s ease;
                z-index: 999;
            }
            .main-nav.open {
                transform: translateY(0);
            }
            .main-nav a {
                font-size: 16px;
                padding: 8px 0;
                width: 100%;
            }
            .main-nav a::after {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .header-cta {
                display: none;
            }
            .trust-bar .container {
                padding: 18px 16px;
                gap: 10px;
                justify-content: center;
            }
            .trust-item .number {
                font-size: 22px;
            }
            .flow-steps {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .flow-step {
                display: flex;
                align-items: center;
                gap: 16px;
                text-align: left;
                padding: 16px 18px;
            }
            .flow-step .step-number {
                font-size: 28px;
                margin-bottom: 0;
                flex-shrink: 0;
            }
            .industry-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .sourcing-grid {
                grid-template-columns: 1fr;
            }
            .promise-grid {
                grid-template-columns: 1fr;
            }
            .resource-grid {
                grid-template-columns: 1fr;
            }
            .core-services-cards {
                grid-template-columns: 1fr;
            }
            .dashboard-metrics {
                grid-template-columns: 1fr;
            }
            .cta-banner {
                padding: 36px 24px;
            }
            .contact-section .form-card {
                padding: 24px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .hero {
                padding: 40px 0 40px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-signals {
                gap: 14px;
            }
        }

        @media (max-width: 560px) {
            .container {
                padding: 0 18px;
            }
            .entry-grid {
                grid-template-columns: 1fr;
            }
            .brand-logo {
                font-size: 18px;
            }
            .brand-logo .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
            .section-title {
                font-size: 24px;
            }
            .hero-float-card {
                display: none;
            }
            .cta-banner h2 {
                font-size: 22px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #16332E;
            --color-primary-dark: #0E2A27;
            --color-primary-light: #DCEAE8;
            --color-accent: #E39A2D;
            --color-bg: #F7F5F0;
            --color-surface: #FFFFFF;
            --color-text: #1F2826;
            --color-text-secondary: #687572;
            --color-border: #E1E5E1;
            --color-success: #2E8B6F;
            --color-warning: #C96A3A;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 24px rgba(22, 51, 46, 0.08);
            --shadow-card-hover: 0 16px 36px rgba(22, 51, 46, 0.16);
            --shadow-nav: 0 1px 0 #E1E5E1;
            --font-title: "Alibaba PuHuiTi", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, sans-serif;
            --container-max: 1200px;
            --section-pad: 80px;
            --section-pad-sm: 56px;
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            box-sizing: border-box;
        }
        h1, h2, h3, h4, h5, h6, p, ul, ol, figure {
            margin: 0;
            padding: 0;
        }
        ul, ol {
            list-style: none;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--section-pad) 0;
            position: relative;
        }
        .section-alt {
            background: var(--color-surface);
        }
        .section-tint {
            background: var(--color-primary-light);
        }
        .section-head {
            margin-bottom: 40px;
        }
        .section-head.center {
            text-align: center;
        }
        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(227, 154, 45, 0.12);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .section-title {
            font-family: var(--font-title);
            font-size: clamp(26px, 3vw, 32px);
            font-weight: 800;
            color: var(--color-primary-dark);
            line-height: 1.35;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            max-width: 720px;
        }
        .section-head.center .section-subtitle {
            margin: 0 auto;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            height: 72px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.8px;
        }
        .brand-logo .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 900;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            padding: 6px 2px;
            position: relative;
            white-space: nowrap;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -1px;
            width: 0;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--color-primary);
        }
        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            min-height: 42px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            background: var(--color-primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition);
        }
        .header-cta:hover {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            border: 1px solid var(--color-border);
            background: var(--color-surface);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: border-color var(--transition);
        }
        .nav-toggle:hover {
            border-color: var(--color-primary);
        }
        .nav-toggle .bar {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: transform var(--transition);
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            padding: 16px 0;
        }
        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-secondary);
            flex-wrap: wrap;
        }
        .breadcrumb-bar a {
            color: var(--color-text-secondary);
        }
        .breadcrumb-bar a:hover {
            color: var(--color-primary);
        }
        .breadcrumb-bar .sep {
            color: #b5c0bd;
        }
        .breadcrumb-bar .current {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* Category Hero */
        .category-hero {
            background: var(--color-surface);
            padding: 48px 0 56px;
            border-bottom: 1px solid var(--color-border);
        }
        .category-hero .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
        }
        .category-hero-text {
            max-width: 620px;
        }
        .category-hero-text h1 {
            font-family: var(--font-title);
            font-size: clamp(28px, 4vw, 38px);
            font-weight: 800;
            color: var(--color-primary-dark);
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .category-hero-text .lead {
            font-size: 17px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }
        .category-hero-img {
            width: 360px;
            height: 240px;
            border-radius: var(--radius-card);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--color-primary-light);
            box-shadow: var(--shadow-card);
        }
        .category-hero-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* Solution Cards */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .solution-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .solution-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-primary);
        }
        .solution-card .icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--color-primary);
            flex-shrink: 0;
        }
        .solution-card h3 {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary-dark);
        }
        .solution-card p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            flex-grow: 1;
        }
        .solution-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
        }
        .solution-card .card-link:hover {
            color: var(--color-accent);
        }

        /* Solution Table */
        .solution-table-wrap {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }
        .solution-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 15px;
        }
        .solution-table th {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            text-align: left;
            padding: 16px 20px;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .solution-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text);
            vertical-align: middle;
        }
        .solution-table tr:last-child td {
            border-bottom: none;
        }
        .solution-table tr:hover td {
            background: #fbfcfa;
        }
        .solution-table .tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            background: var(--color-primary-light);
            color: var(--color-primary);
        }
        .table-responsive-wrapper {
            overflow-x: auto;
        }

        /* Process Steps */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .process-step {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .process-step:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .process-step .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .process-step h3 {
            font-family: var(--font-title);
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }

        /* Case Cards */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .case-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .case-card .case-img {
            height: 200px;
            background: var(--color-primary-light);
            overflow: hidden;
        }
        .case-card .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .case-card .case-body {
            padding: 24px;
        }
        .case-card .case-tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            background: rgba(227, 154, 45, 0.12);
            color: var(--color-accent);
            margin-bottom: 10px;
        }
        .case-card h3 {
            font-family: var(--font-title);
            font-size: 19px;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 8px;
        }
        .case-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .case-card .case-metrics {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .case-card .metric {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
        }
        .case-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            margin-top: 10px;
        }
        .case-card .card-link:hover {
            color: var(--color-accent);
        }

        /* Support Items */
        .support-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .support-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), border-color var(--transition);
        }
        .support-item:hover {
            transform: translateY(-3px);
            border-color: var(--color-primary);
        }
        .support-item .icon-wrap {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            margin: 0 auto 12px;
        }
        .support-item h4 {
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 8px;
        }
        .support-item p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .faq-item:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-card);
        }
        .faq-item.active {
            border-color: var(--color-primary);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            text-align: left;
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-primary-light);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            transition: transform var(--transition);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--color-primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .faq-item.active .faq-answer {
            max-height: 240px;
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        /* CTA Section */
        .cta-section {
            background: var(--color-primary);
            padding: 56px 0;
            color: #fff;
        }
        .cta-section .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
        }
        .cta-section-text {
            max-width: 520px;
        }
        .cta-section-text h2 {
            font-family: var(--font-title);
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .cta-section-text p {
            font-size: 15px;
            opacity: 0.85;
            line-height: 1.7;
        }
        .cta-section-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            min-height: 44px;
            padding: 0 26px;
            border-radius: var(--radius-btn);
            background: var(--color-accent);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition);
        }
        .btn-primary:hover {
            background: #d48c1f;
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            min-height: 44px;
            padding: 0 26px;
            border-radius: var(--radius-btn);
            background: transparent;
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border: 1px solid rgba(255, 255, 255, 0.5);
            transition: background var(--transition), border-color var(--transition);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        /* View More */
        .view-more-bar {
            text-align: center;
            padding: 16px 0 0;
        }
        .btn-view-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            min-height: 44px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            background: transparent;
            color: var(--color-primary);
            font-size: 15px;
            font-weight: 600;
            border: 1px solid var(--color-primary);
            transition: background var(--transition), color var(--transition);
        }
        .btn-view-more:hover {
            background: var(--color-primary);
            color: #fff;
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 40px;
        }
        .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .brand-logo .logo-mark {
            background: var(--color-accent);
            color: var(--color-primary-dark);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            opacity: 0.75;
            max-width: 300px;
        }
        .footer-col h4 {
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li {
            font-size: 14px;
        }
        .footer-col ul a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--color-accent);
        }
        .footer-col ul span {
            font-size: 13px;
            opacity: 0.65;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            opacity: 0.6;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 18px;
            }
            .main-nav a {
                font-size: 14px;
            }
            .solution-grid,
            .case-grid {
                grid-template-columns: 1fr 1fr;
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .support-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-pad: var(--section-pad-sm);
            }
            .site-header {
                height: 64px;
            }
            .main-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--color-surface);
                flex-direction: column;
                align-items: flex-start;
                padding: 20px 24px;
                gap: 14px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 8px 24px rgba(22, 51, 46, 0.1);
                display: none;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                font-size: 16px;
                padding: 8px 0;
            }
            .header-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .category-hero .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 24px;
            }
            .category-hero-img {
                width: 100%;
                height: 200px;
            }
            .solution-grid,
            .case-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .support-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-section .container {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .solution-table th,
            .solution-table td {
                padding: 12px 14px;
                font-size: 13px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-hero {
                padding: 32px 0 40px;
            }
            .category-hero-text h1 {
                font-size: 26px;
            }
            .support-grid {
                grid-template-columns: 1fr;
            }
            .process-step {
                padding: 18px 16px;
            }
            .faq-question {
                font-size: 14px;
                padding: 16px 16px;
            }
            .faq-answer-inner {
                padding: 0 16px 16px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #16332E;
            --color-primary-dark: #0E2A27;
            --color-primary-light: #DCEAE8;
            --color-accent: #E39A2D;
            --color-bg: #F7F5F0;
            --color-surface: #FFFFFF;
            --color-text: #1F2826;
            --color-text-secondary: #687572;
            --color-border: #E1E5E1;
            --color-success: #2E8B6F;
            --color-warning: #C96A3A;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 24px rgba(22, 51, 46, 0.08);
            --shadow-card-hover: 0 16px 36px rgba(22, 51, 46, 0.16);
            --shadow-nav: 0 1px 0 #E1E5E1;
            --font-title: "Alibaba PuHuiTi", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, sans-serif;
            --container-max: 1200px;
            --section-pad: 80px;
            --section-pad-sm: 56px;
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            box-sizing: border-box;
        }
        h1, h2, h3, h4, h5, h6, p, ul, ol, figure {
            margin: 0;
            padding: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--section-pad) 0;
            position: relative;
        }
        .section-alt {
            background: var(--color-surface);
        }
        .section-tint {
            background: var(--color-primary-light);
        }
        .section-head {
            margin-bottom: 36px;
        }
        .section-head.center {
            text-align: center;
        }
        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(227, 154, 45, 0.12);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .section-title {
            font-family: var(--font-title);
            font-size: clamp(24px, 3vw, 30px);
            font-weight: 800;
            color: var(--color-primary-dark);
            line-height: 1.35;
            margin-bottom: 10px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            max-width: 720px;
        }
        .section-head.center .section-subtitle {
            margin: 0 auto;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            height: 72px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.8px;
        }
        .brand-logo .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 900;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 24px;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            padding: 6px 2px;
            position: relative;
            white-space: nowrap;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -1px;
            width: 0;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--color-primary);
        }
        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            min-height: 42px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            background: var(--color-primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            white-space: nowrap;
            transition: background var(--transition), transform var(--transition);
        }
        .header-cta:hover {
            background: var(--color-primary-dark);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            border: 1px solid var(--color-border);
            background: var(--color-surface);
        }
        .nav-toggle .bar {
            width: 22px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }
        .nav-toggle.active .bar:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active .bar:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active .bar:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-wrapper {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            padding: 18px 0;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 14px;
            color: var(--color-text-secondary);
        }
        .breadcrumb-nav a {
            color: var(--color-text-secondary);
            font-weight: 500;
            transition: color var(--transition);
        }
        .breadcrumb-nav a:hover {
            color: var(--color-primary);
        }
        .breadcrumb-nav .separator {
            color: var(--color-border);
            user-select: none;
        }
        .breadcrumb-nav .current {
            color: var(--color-text-secondary);
            font-weight: 400;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 320px;
        }

        /* ===== 文章标题区 ===== */
        .article-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            padding: 48px 0 36px;
        }
        .article-header .article-head-top {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }
        .article-category-tag {
            display: inline-flex;
            align-items: center;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-primary-light);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            font-size: 14px;
            color: var(--color-text-secondary);
        }
        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .meta-icon {
            width: 16px;
            height: 16px;
            border-radius: 4px;
            background: var(--color-primary-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 10px;
            color: var(--color-primary);
            font-weight: 700;
        }
        .article-header h1 {
            font-family: var(--font-title);
            font-size: clamp(26px, 3.5vw, 38px);
            font-weight: 800;
            color: var(--color-primary-dark);
            line-height: 1.4;
            margin-bottom: 16px;
            letter-spacing: 0.2px;
        }

        /* ===== 文章布局 ===== */
        .article-main {
            padding: 48px 0 64px;
            background: var(--color-bg);
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 32px;
            align-items: start;
        }
        .article-content-col {
            min-width: 0;
        }

        /* ===== 正文阅读区 ===== */
        .article-body-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 40px 44px 36px;
            box-shadow: var(--shadow-card);
        }
        .article-content {
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            word-wrap: break-word;
        }
        .article-content h2 {
            font-family: var(--font-title);
            font-size: 24px;
            font-weight: 800;
            color: var(--color-primary-dark);
            margin-top: 2em;
            margin-bottom: 1em;
            line-height: 1.4;
        }
        .article-content h3 {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            margin-top: 1.8em;
            margin-bottom: 0.8em;
            line-height: 1.45;
        }
        .article-content p {
            margin-bottom: 1.5em;
            line-height: 1.85;
        }
        .article-content ul,
        .article-content ol {
            margin-bottom: 1.5em;
            padding-left: 1.6em;
            line-height: 1.85;
        }
        .article-content ul li,
        .article-content ol li {
            margin-bottom: 0.5em;
        }
        .article-content blockquote {
            border-left: 4px solid var(--color-primary);
            background: var(--color-primary-light);
            padding: 16px 22px;
            border-radius: 0 12px 12px 0;
            margin: 1.5em 0;
            color: var(--color-primary-dark);
            font-size: 15px;
            line-height: 1.8;
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
            font-size: 15px;
        }
        .article-content table th,
        .article-content table td {
            border: 1px solid var(--color-border);
            padding: 12px 16px;
            text-align: left;
        }
        .article-content table th {
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
            font-weight: 600;
        }
        .article-content img {
            border-radius: 12px;
            margin: 1.8em 0;
            width: 100%;
            object-fit: cover;
        }
        .article-content a {
            color: var(--color-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
            font-weight: 500;
        }
        .article-content a:hover {
            color: var(--color-accent);
        }
        .article-not-found {
            text-align: center;
            padding: 60px 20px;
        }
        .article-not-found .nf-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 18px;
        }
        .article-not-found h2 {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 10px;
        }
        .article-not-found p {
            color: var(--color-text-secondary);
            margin-bottom: 22px;
        }
        .article-not-found .back-btn {
            display: inline-flex;
            align-items: center;
            min-height: 42px;
            padding: 0 26px;
            border-radius: var(--radius-btn);
            background: var(--color-primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            transition: background var(--transition);
        }
        .article-not-found .back-btn:hover {
            background: var(--color-primary-dark);
        }

        /* ===== 文末标签区 ===== */
        .article-tags-section {
            margin-top: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
        }
        .article-tags-section .tags-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-secondary);
        }
        .article-tag-pill {
            display: inline-flex;
            align-items: center;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-primary);
            background: var(--color-primary-light);
            padding: 5px 16px;
            border-radius: var(--radius-pill);
            transition: background var(--transition), color var(--transition);
        }
        .article-tag-pill:hover {
            background: var(--color-primary);
            color: #fff;
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            margin-top: 40px;
        }
        .related-section .section-head {
            margin-bottom: 22px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .related-card .related-thumb {
            height: 160px;
            overflow: hidden;
            background: var(--color-primary-light);
        }
        .related-card .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }
        .related-card:hover .related-thumb img {
            transform: scale(1.04);
        }
        .related-card .related-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card .related-body h3 {
            font-family: var(--font-title);
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary-dark);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition);
        }
        .related-card:hover .related-body h3 {
            color: var(--color-primary);
        }
        .related-card .related-summary {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .related-time {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin-top: auto;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .related-card .related-time .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        /* ===== 上一篇/下一篇 ===== */
        .article-prevnext {
            margin-top: 32px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .prevnext-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 18px 22px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .prevnext-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-card);
        }
        .prevnext-card .pn-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-secondary);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .prevnext-card .pn-text {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary-dark);
            line-height: 1.5;
            transition: color var(--transition);
        }
        .prevnext-card:hover .pn-text {
            color: var(--color-primary);
        }
        .prevnext-card.pn-right {
            text-align: right;
        }
        .prevnext-card.pn-right .pn-label {
            justify-content: flex-end;
        }

        /* ===== 侧边栏 ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 92px;
        }
        .sidebar-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            box-shadow: var(--shadow-card);
        }
        .sidebar-card .sidebar-title {
            font-family: var(--font-title);
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--color-border);
        }
        .sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border);
        }
        .sidebar-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .sidebar-list a {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            line-height: 1.55;
            transition: color var(--transition);
        }
        .sidebar-list a:hover {
            color: var(--color-primary);
        }
        .sidebar-list .sidebar-item-time {
            font-size: 12px;
            color: var(--color-text-secondary);
            margin-top: 4px;
            display: block;
        }
        .sidebar-help-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border);
        }
        .sidebar-help-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .sidebar-help-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--color-primary-light);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .sidebar-help-text {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            line-height: 1.45;
        }
        .sidebar-help-text small {
            display: block;
            font-size: 12px;
            color: var(--color-text-secondary);
            font-weight: 400;
        }

        /* ===== 底部 CTA 横幅 ===== */
        .article-cta-banner {
            margin-top: 48px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            border-radius: var(--radius-card);
            padding: 36px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
        }
        .article-cta-banner .cta-text h2 {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .article-cta-banner .cta-text p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin: 0;
        }
        .article-cta-banner .cta-buttons {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .article-cta-banner .btn-primary-white {
            display: inline-flex;
            align-items: center;
            min-height: 44px;
            padding: 0 26px;
            border-radius: var(--radius-btn);
            background: #fff;
            color: var(--color-primary);
            font-size: 15px;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition);
        }
        .article-cta-banner .btn-primary-white:hover {
            background: var(--color-accent);
            color: #fff;
        }
        .article-cta-banner .btn-outline-white {
            display: inline-flex;
            align-items: center;
            min-height: 44px;
            padding: 0 26px;
            border-radius: var(--radius-btn);
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            transition: border-color var(--transition), background var(--transition);
        }
        .article-cta-banner .btn-outline-white:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.78);
            padding: 64px 0 28px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }
        .footer-brand .brand-logo {
            color: #fff;
            font-size: 22px;
            margin-bottom: 14px;
        }
        .footer-brand .brand-logo .logo-mark {
            background: var(--color-accent);
            color: var(--color-primary-dark);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            max-width: 300px;
            margin-bottom: 0;
        }
        .footer-col h4 {
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a,
        .footer-col ul li span {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition);
            line-height: 1.6;
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom .copyright {
            font-weight: 500;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .article-sidebar {
                position: static;
                flex-direction: column;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--color-surface);
                flex-direction: column;
                padding: 20px 24px;
                gap: 0;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-card);
            }
            .main-nav.show {
                display: flex;
            }
            .main-nav a {
                padding: 14px 0;
                font-size: 16px;
                width: 100%;
                border-bottom: 1px solid var(--color-border);
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .main-nav a::after {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .header-cta {
                display: none;
            }
            .article-body-card {
                padding: 28px 22px 26px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .article-prevnext {
                grid-template-columns: 1fr;
            }
            .prevnext-card.pn-right {
                text-align: left;
            }
            .prevnext-card.pn-right .pn-label {
                justify-content: flex-start;
            }
            .article-cta-banner {
                flex-direction: column;
                align-items: flex-start;
                padding: 28px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section {
                padding: 48px 0;
            }
            .article-main {
                padding: 32px 0 48px;
            }
            .breadcrumb-nav .current {
                max-width: 180px;
            }
        }
        @media (max-width: 520px) {
            .article-body-card {
                padding: 22px 16px 20px;
            }
            .article-content {
                font-size: 15px;
            }
            .article-content h2 {
                font-size: 21px;
            }
            .article-content h3 {
                font-size: 18px;
            }
            .article-header h1 {
                font-size: 24px;
            }
            .related-card .related-thumb {
                height: 140px;
            }
            .article-cta-banner {
                padding: 22px 18px;
            }
            .article-cta-banner .cta-text h2 {
                font-size: 19px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #16332E;
            --color-primary-dark: #0E2A27;
            --color-primary-light: #DCEAE8;
            --color-accent: #E39A2D;
            --color-bg: #F7F5F0;
            --color-surface: #FFFFFF;
            --color-text: #1F2826;
            --color-text-secondary: #687572;
            --color-border: #E1E5E1;
            --color-success: #2E8B6F;
            --color-warning: #C96A3A;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 24px rgba(22, 51, 46, 0.08);
            --shadow-card-hover: 0 16px 36px rgba(22, 51, 46, 0.16);
            --shadow-nav: 0 1px 0 #E1E5E1;
            --font-title: "Alibaba PuHuiTi", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, sans-serif;
            --container-max: 1200px;
            --section-pad: 80px;
            --section-pad-sm: 56px;
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        h1, h2, h3, h4, h5, h6, p, ul, ol, figure, blockquote {
            margin: 0;
            padding: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--section-pad) 0;
            position: relative;
        }
        .section-alt {
            background: var(--color-surface);
        }
        .section-tint {
            background: var(--color-primary-light);
        }
        .section-head {
            margin-bottom: 40px;
        }
        .section-head.center {
            text-align: center;
        }
        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(227, 154, 45, 0.12);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .section-title {
            font-family: var(--font-title);
            font-size: clamp(26px, 3vw, 32px);
            font-weight: 800;
            color: var(--color-primary-dark);
            line-height: 1.35;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            max-width: 720px;
        }
        .section-head.center .section-subtitle {
            margin: 0 auto;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            height: 72px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.8px;
            white-space: nowrap;
        }
        .brand-logo .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 900;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 26px;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            padding: 6px 2px;
            position: relative;
            white-space: nowrap;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -1px;
            width: 0;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--color-primary);
        }
        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            min-height: 42px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            background: var(--color-primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition);
            white-space: nowrap;
        }
        .header-cta:hover {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 6px;
            background: none;
        }
        .nav-toggle .bar {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }
        .nav-toggle[aria-expanded="true"] .bar:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle[aria-expanded="true"] .bar:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle[aria-expanded="true"] .bar:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-section {
            padding: 28px 0 0;
            background: var(--color-bg);
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-secondary);
        }
        .breadcrumb-nav a {
            color: var(--color-text-secondary);
        }
        .breadcrumb-nav a:hover {
            color: var(--color-primary);
        }
        .breadcrumb-nav .separator {
            color: var(--color-border);
            user-select: none;
        }
        .breadcrumb-nav .current {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ===== Category Hero ===== */
        .category-hero {
            padding: 48px 0 60px;
            background: var(--color-bg);
        }
        .category-hero .container {
            display: flex;
            align-items: center;
            gap: 48px;
        }
        .category-hero-content {
            flex: 1;
            min-width: 0;
        }
        .category-hero-content h1 {
            font-family: var(--font-title);
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            color: var(--color-primary-dark);
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .category-hero-content .hero-desc {
            font-size: 17px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            max-width: 620px;
            margin-bottom: 24px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 42px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-card);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 1px solid var(--color-primary);
        }
        .btn-outline:hover {
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
        }
        .btn-accent {
            background: var(--color-accent);
            color: #fff;
        }
        .btn-accent:hover {
            background: #d1881e;
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-card);
        }
        .category-hero-image {
            flex-shrink: 0;
            width: 340px;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            background: var(--color-primary-light);
        }
        .category-hero-image img {
            width: 100%;
            height: 240px;
            object-fit: cover;
            display: block;
        }

        /* ===== Tool Cards ===== */
        .tool-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .tool-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 14px;
        }
        .tool-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .tool-card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            flex-shrink: 0;
        }
        .tool-card h3 {
            font-family: var(--font-title);
            font-size: 19px;
            font-weight: 700;
            color: var(--color-primary-dark);
            line-height: 1.4;
        }
        .tool-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== Dashboard Showcase ===== */
        .dashboard-layout {
            display: flex;
            gap: 40px;
            align-items: stretch;
        }
        .dashboard-left {
            flex: 1;
            min-width: 0;
        }
        .dashboard-left .section-title {
            margin-bottom: 16px;
        }
        .dashboard-left p {
            color: var(--color-text-secondary);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .dashboard-metrics {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .metric-tag {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .metric-tag .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-success);
            flex-shrink: 0;
        }
        .dashboard-right {
            flex-shrink: 0;
            width: 460px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .dashboard-chart-placeholder {
            background: var(--color-primary-light);
            border-radius: 12px;
            height: 200px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }
        .dashboard-chart-placeholder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .dashboard-chart-placeholder .chart-overlay {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary-dark);
            background: rgba(220, 234, 232, 0.6);
        }
        .dashboard-indicators {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
        }
        .indicator-card {
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 10px;
            padding: 16px;
            text-align: center;
        }
        .indicator-card .indicator-value {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .indicator-card .indicator-label {
            font-size: 13px;
            color: var(--color-text-secondary);
        }

        /* ===== Process Steps ===== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .process-step {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            position: relative;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .process-step:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .process-step .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }
        .process-step h3 {
            font-family: var(--font-title);
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }
        .process-step:not(:last-child)::after {
            content: '→';
            position: absolute;
            top: 50%;
            right: -18px;
            transform: translateY(-50%);
            font-size: 20px;
            color: var(--color-accent);
            font-weight: 700;
        }

        /* ===== API Section ===== */
        .api-layout {
            display: flex;
            gap: 48px;
            align-items: center;
        }
        .api-content {
            flex: 1;
            min-width: 0;
        }
        .api-content .section-title {
            margin-bottom: 16px;
        }
        .api-content p {
            color: var(--color-text-secondary);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 18px;
        }
        .api-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .api-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: var(--color-text);
            list-style: none;
        }
        .api-list li::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
            margin-top: 8px;
        }
        .api-code-block {
            flex-shrink: 0;
            width: 420px;
            background: var(--color-primary-dark);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
        }
        .api-code-block .code-header {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }
        .api-code-block .code-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }
        .api-code-block .code-dot:nth-child(1) { background: #FF5F57; }
        .api-code-block .code-dot:nth-child(2) { background: #FEBC2E; }
        .api-code-block .code-dot:nth-child(3) { background: #28C840; }
        .api-code-block .code-title {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            margin-left: 8px;
        }
        .api-code-block pre {
            color: #DCEAE8;
            font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
            font-size: 13.5px;
            line-height: 1.8;
            white-space: pre-wrap;
            word-break: break-all;
            margin: 0;
        }
        .api-code-block pre .key {
            color: #E39A2D;
        }
        .api-code-block pre .val {
            color: #8BB8B0;
        }

        /* ===== Mobile Guide ===== */
        .mobile-layout {
            display: flex;
            gap: 48px;
            align-items: center;
        }
        .mobile-visual {
            flex-shrink: 0;
            width: 280px;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
        }
        .mobile-visual img {
            width: 100%;
            height: 360px;
            object-fit: cover;
        }
        .mobile-content {
            flex: 1;
            min-width: 0;
        }
        .mobile-content .section-title {
            margin-bottom: 16px;
        }
        .mobile-content p {
            color: var(--color-text-secondary);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 18px;
        }
        .mobile-features {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 22px;
        }
        .mobile-feature-tag {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item:hover {
            border-color: var(--color-primary);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            background: none;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-primary);
            transition: transform var(--transition);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            padding: 0 24px;
            color: var(--color-text-secondary);
            font-size: 15px;
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== Bottom CTA / More Entry ===== */
        .more-entry-section {
            background: var(--color-primary-dark);
            padding: 56px 0;
            text-align: center;
        }
        .more-entry-section h2 {
            font-family: var(--font-title);
            font-size: clamp(24px, 3vw, 30px);
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .more-entry-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 16px;
            margin-bottom: 28px;
        }
        .more-entry-section .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            min-height: 46px;
            padding: 0 32px;
            font-size: 16px;
            border-radius: var(--radius-btn);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 64px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 44px;
        }
        .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.65);
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            font-family: var(--font-title);
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--color-accent);
        }
        .footer-col ul span {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Focus visible ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .tool-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dashboard-layout {
                flex-direction: column;
            }
            .dashboard-right {
                width: 100%;
            }
            .api-layout {
                flex-direction: column;
                align-items: stretch;
            }
            .api-code-block {
                width: 100%;
            }
            .mobile-layout {
                flex-direction: column;
                align-items: flex-start;
            }
            .mobile-visual {
                width: 100%;
                max-width: 320px;
            }
            .process-steps {
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }
            .process-step:not(:last-child)::after {
                display: none;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-pad: var(--section-pad-sm);
            }
            .site-header {
                height: 64px;
            }
            .main-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--color-surface);
                flex-direction: column;
                gap: 0;
                padding: 12px 24px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-card);
                transform: translateY(-120%);
                transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
                z-index: 999;
            }
            .main-nav.open {
                transform: translateY(0);
            }
            .main-nav a {
                padding: 14px 0;
                font-size: 16px;
                border-bottom: 1px solid var(--color-border);
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .main-nav a::after {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .header-cta {
                display: none;
            }
            .category-hero .container {
                flex-direction: column;
                gap: 28px;
            }
            .category-hero-image {
                width: 100%;
                max-width: 320px;
            }
            .category-hero-image img {
                height: 200px;
            }
            .tool-grid {
                grid-template-columns: 1fr;
            }
            .dashboard-indicators {
                grid-template-columns: repeat(3, 1fr);
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
            }
            .mobile-features {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 560px) {
            .container {
                padding: 0 18px;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .category-hero {
                padding: 32px 0 44px;
            }
            .tool-grid {
                grid-template-columns: 1fr;
            }
            .dashboard-indicators {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .process-step {
                padding: 20px 16px;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }
            .faq-answer {
                padding: 0 18px;
                font-size: 14px;
            }
            .faq-item.open .faq-answer {
                padding: 0 18px 16px;
            }
            .more-entry-section {
                padding: 44px 0;
            }
            .more-entry-section h2 {
                font-size: 22px;
            }
            .mobile-visual {
                max-width: 100%;
            }
            .mobile-visual img {
                height: 280px;
            }
            .category-hero-image img {
                height: 180px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #16332E;
            --color-primary-dark: #0E2A27;
            --color-primary-light: #DCEAE8;
            --color-accent: #E39A2D;
            --color-bg: #F7F5F0;
            --color-surface: #FFFFFF;
            --color-text: #1F2826;
            --color-text-secondary: #687572;
            --color-border: #E1E5E1;
            --color-success: #2E8B6F;
            --color-warning: #C96A3A;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 24px rgba(22, 51, 46, 0.08);
            --shadow-card-hover: 0 16px 36px rgba(22, 51, 46, 0.16);
            --shadow-nav: 0 1px 0 #E1E5E1;
            --font-title: "Alibaba PuHuiTi", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, sans-serif;
            --container-max: 1200px;
            --section-pad: 80px;
            --section-pad-sm: 56px;
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        h1, h2, h3, h4, h5, h6, p, ul, ol, figure, blockquote {
            margin: 0;
        }

        ul, ol {
            list-style: none;
            padding: 0;
        }

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

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

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

        button {
            cursor: pointer;
        }

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        main {
            flex: 1;
        }

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

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

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

        .section-tint {
            background: var(--color-primary-light);
        }

        .section-dark {
            background: var(--color-primary);
            color: #E9F0EE;
        }

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

        .section-head.center {
            text-align: center;
        }

        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(227, 154, 45, 0.12);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-title {
            font-family: var(--font-title);
            font-size: clamp(26px, 3vw, 32px);
            font-weight: 800;
            color: var(--color-primary-dark);
            line-height: 1.35;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            max-width: 720px;
        }

        .section-head.center .section-subtitle {
            margin: 0 auto;
        }

        .section-dark .section-title {
            color: #FFFFFF;
        }

        .section-dark .section-subtitle {
            color: rgba(233, 240, 238, 0.75);
        }

        .section-dark .section-label {
            color: #F4C36B;
            background: rgba(227, 154, 45, 0.22);
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            height: 72px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.8px;
        }

        .brand-logo .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 900;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            padding: 6px 2px;
            position: relative;
            white-space: nowrap;
        }

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

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--color-primary);
        }

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

        .header-cta {
            display: inline-flex;
            align-items: center;
            min-height: 42px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            background: var(--color-primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition);
            white-space: nowrap;
        }

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

        .header-cta:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            position: relative;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            background: var(--color-primary-light);
        }

        .nav-toggle .bar {
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .nav-toggle.active .bar:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.active .bar:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active .bar:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .nav-toggle:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            padding: 20px 0;
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
        }

        .breadcrumb-bar .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-secondary);
            flex-wrap: wrap;
        }

        .breadcrumb-bar a {
            color: var(--color-primary);
            font-weight: 500;
            transition: color var(--transition);
        }

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

        .breadcrumb-bar .separator {
            color: var(--color-border);
            font-size: 12px;
        }

        .breadcrumb-bar .current {
            color: var(--color-text-secondary);
            font-weight: 400;
        }

        /* ===== Category Hero (H1) ===== */
        .category-hero {
            padding: 48px 0 56px;
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
        }

        .category-hero .cat-hero-grid {
            display: flex;
            align-items: center;
            gap: 48px;
        }

        .category-hero .cat-hero-text {
            flex: 1.2;
        }

        .category-hero .cat-hero-text h1 {
            font-family: var(--font-title);
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            color: var(--color-primary-dark);
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .category-hero .cat-hero-text .hero-desc {
            font-size: 17px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            max-width: 640px;
            margin-bottom: 24px;
        }

        .category-hero .cat-hero-text .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .category-hero .cat-hero-text .hero-tags .tag-chip {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            background: var(--color-primary-light);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 500;
        }

        .category-hero .cat-hero-image {
            flex: 0.8;
            max-width: 420px;
        }

        .category-hero .cat-hero-image img {
            width: 100%;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            aspect-ratio: 4/3;
            object-fit: cover;
        }

        /* ===== Cards / Grids ===== */
        .card-grid {
            display: grid;
            gap: 24px;
        }

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

        .card-grid.cols-3 {
            grid-template-columns: repeat(3, 1fr);
        }

        .card-grid.cols-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        .card-grid.cols-5 {
            grid-template-columns: repeat(5, 1fr);
        }

        .service-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .service-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--color-primary-light);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .service-card .card-title {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary-dark);
            line-height: 1.4;
        }

        .service-card .card-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }

        .service-card .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: auto;
            transition: color var(--transition);
        }

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

        /* ===== Steps ===== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step-counter;
        }

        .step-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            position: relative;
            transition: transform var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

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

        .step-item .step-num {
            font-family: var(--font-title);
            font-size: 32px;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 4px;
        }

        .step-item .step-title {
            font-family: var(--font-title);
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary-dark);
        }

        .step-item .step-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        .steps-row.cols-5 {
            grid-template-columns: repeat(5, 1fr);
        }

        .steps-row.cols-3 {
            grid-template-columns: repeat(3, 1fr);
        }

        /* ===== Rule File List ===== */
        .rule-file-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .rule-file-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            padding: 20px 24px;
            box-shadow: 0 2px 8px rgba(22, 51, 46, 0.04);
            display: flex;
            align-items: center;
            gap: 16px;
            transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
        }

        .rule-file-item:hover {
            border-color: var(--color-primary-light);
            box-shadow: var(--shadow-card);
            transform: translateX(4px);
        }

        .rule-file-item .file-badge {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--color-primary-light);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .rule-file-item .file-content {
            flex: 1;
            min-width: 0;
        }

        .rule-file-item .file-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary-dark);
            margin-bottom: 4px;
        }

        .rule-file-item .file-summary {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .rule-file-item .file-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--color-text-secondary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .rule-file-item .file-meta .meta-dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        /* ===== Compliance Block ===== */
        .compliance-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .compliance-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .compliance-item:hover {
            border-color: var(--color-primary-light);
            box-shadow: var(--shadow-card-hover);
        }

        .compliance-item .compliance-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--color-primary-light);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .compliance-item .compliance-content h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 6px;
            font-family: var(--font-title);
        }

        .compliance-item .compliance-content p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }

        /* ===== CTA ===== */
        .cta-banner {
            background: var(--color-primary);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            color: #E9F0EE;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 50%;
            height: 200%;
            background: radial-gradient(circle at center, rgba(227, 154, 45, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-banner h2 {
            font-family: var(--font-title);
            font-size: clamp(22px, 2.5vw, 28px);
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-banner p {
            font-size: 16px;
            color: rgba(233, 240, 238, 0.8);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 600px;
        }

        .cta-banner .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            position: relative;
            z-index: 1;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 42px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn:hover {
            transform: translateY(-1px);
        }

        .btn:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

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

        .btn-primary:hover {
            background: #D18B20;
        }

        .btn-outline-light {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #FFFFFF;
        }

        .btn-outline-light:hover {
            border-color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
        }

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

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            box-shadow: 0 2px 8px rgba(22, 51, 46, 0.04);
            transition: border-color var(--transition), box-shadow var(--transition);
            overflow: hidden;
        }

        .faq-item:hover {
            border-color: var(--color-primary-light);
            box-shadow: var(--shadow-card);
        }

        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            width: 100%;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary-dark);
            background: none;
            border: none;
            font-family: var(--font-title);
        }

        .faq-item .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--color-primary-light);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
            transition: transform var(--transition);
        }

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

        .faq-item .faq-answer {
            padding: 0 20px 18px;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== More Link ===== */
        .more-entry {
            text-align: center;
            margin-top: 32px;
        }

        .more-entry a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border: 2px solid var(--color-primary);
            border-radius: var(--radius-btn);
            color: var(--color-primary);
            font-size: 15px;
            font-weight: 600;
            transition: background var(--transition), color var(--transition), transform var(--transition);
        }

        .more-entry a:hover {
            background: var(--color-primary);
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        .more-entry a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(233, 240, 238, 0.75);
            padding: 56px 0 24px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .site-footer .footer-brand .brand-logo {
            color: #FFFFFF;
            margin-bottom: 14px;
        }

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

        .site-footer .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(233, 240, 238, 0.7);
            max-width: 320px;
        }

        .site-footer .footer-col h4 {
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
        }

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

        .site-footer .footer-col ul li a,
        .site-footer .footer-col ul li span {
            font-size: 14px;
            color: rgba(233, 240, 238, 0.7);
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .site-footer .footer-col ul li a:hover {
            color: var(--color-accent);
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(233, 240, 238, 0.15);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(233, 240, 238, 0.55);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 18px;
            }

            .main-nav a {
                font-size: 14px;
            }

            .category-hero .cat-hero-grid {
                gap: 32px;
            }

            .card-grid.cols-4,
            .card-grid.cols-5 {
                grid-template-columns: repeat(2, 1fr);
            }

            .steps-row.cols-5 {
                grid-template-columns: repeat(2, 1fr);
            }

            .steps-row.cols-4 {
                grid-template-columns: repeat(2, 1fr);
            }

            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: var(--section-pad-sm);
            }

            .site-header {
                height: 60px;
            }

            .site-header .container {
                gap: 12px;
            }

            .main-nav {
                display: none;
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(247, 245, 240, 0.98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                padding: 32px 24px;
                gap: 20px;
                z-index: 999;
                overflow-y: auto;
            }

            .main-nav.active {
                display: flex;
            }

            .main-nav a {
                font-size: 18px;
                font-weight: 600;
                color: var(--color-text);
                white-space: normal;
            }

            .main-nav a.active,
            .main-nav a:hover {
                color: var(--color-primary);
            }

            .main-nav a::after {
                display: none;
            }

            .header-cta {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .category-hero .cat-hero-grid {
                flex-direction: column;
                gap: 24px;
            }

            .category-hero .cat-hero-image {
                max-width: 100%;
                width: 100%;
            }

            .category-hero .cat-hero-image img {
                aspect-ratio: 16/9;
            }

            .card-grid.cols-2,
            .card-grid.cols-3,
            .card-grid.cols-4,
            .card-grid.cols-5,
            .steps-row.cols-3,
            .steps-row.cols-4,
            .steps-row.cols-5,
            .compliance-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

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

            .section-head {
                margin-bottom: 28px;
            }

            .breadcrumb-bar .breadcrumb-inner {
                font-size: 13px;
                gap: 4px;
            }

            .rule-file-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 16px;
            }

            .rule-file-item .file-meta {
                white-space: normal;
                flex-wrap: wrap;
            }

            .cta-banner {
                padding: 32px 24px;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
        }

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

            .brand-logo {
                font-size: 18px;
            }

            .brand-logo .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 15px;
                border-radius: 6px;
            }

            .btn {
                padding: 0 18px;
                min-height: 38px;
                font-size: 14px;
            }

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

            .cta-banner h2 {
                font-size: 20px;
            }

            .cta-banner .cta-actions {
                flex-direction: column;
                gap: 8px;
            }

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