/* roulang page: index */
:root {
            --color-primary: #191917;
            --color-accent: #B08D57;
            --color-accent-dark: #8A6B3E;
            --color-secondary: #1F3D3A;
            --color-bg: #F5F3EE;
            --color-card: #FBF9F5;
            --color-white: #FFFFFF;
            --color-text: #3A3A38;
            --color-text-muted: #6E6D69;
            --color-text-light: #A09F99;
            --color-border: #E8E6E0;
            --color-footer-text: #A09F99;
            --color-footer-hover: #D4C29B;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-img: 10px;
            --radius-tag: 20px;
            --shadow-hover: 0 8px 28px rgba(25, 25, 23, 0.08);
            --shadow-soft: 0 2px 12px rgba(25, 25, 23, 0.04);
            --transition-base: 200ms ease;
            --transition-card: 220ms ease;
            --font-display: "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun", serif;
            --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --container-max: 1200px;
            --section-spacing: 100px;
            --section-spacing-mobile: 60px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color 160ms ease, border-color 160ms ease, background-color 200ms ease;
        }

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

        h1, h2, h3, h4, h5 {
            font-family: var(--font-display);
            color: var(--color-primary);
            line-height: 1.25;
            margin: 0;
        }

        h1 {
            font-size: clamp(32px, 5vw, 56px);
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.18;
        }

        h2 {
            font-size: clamp(26px, 3.5vw, 36px);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.3px;
        }

        h3 {
            font-size: clamp(18px, 2vw, 22px);
            font-weight: 600;
            line-height: 1.4;
        }

        p {
            color: var(--color-text);
            line-height: 1.85;
            margin: 0;
        }

        button, input, textarea, select {
            font-family: var(--font-sans);
            font-size: 15px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 28px;
        }

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

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

        .section-dark h2,
        .section-dark h3,
        .section-dark p {
            color: #fff;
        }

        .section-dark .section-subtitle {
            color: var(--color-footer-text);
        }

        .section-subtitle {
            color: var(--color-text-muted);
            font-size: 16px;
            line-height: 1.75;
            max-width: 680px;
            margin-top: 14px;
        }

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

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

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

        .accent-line {
            display: inline-block;
            width: 48px;
            height: 2px;
            background-color: var(--color-accent);
            margin-bottom: 14px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            cursor: pointer;
            border: none;
            transition: all var(--transition-base);
            text-align: center;
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 2px solid rgba(176, 141, 87, 0.3);
            outline-offset: 2px;
        }

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

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

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

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

        .btn-outline:hover {
            background-color: rgba(176, 141, 87, 0.05);
            color: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 18px;
            border-radius: var(--radius-btn);
        }

        .btn-sm {
            padding: 9px 18px;
            font-size: 13px;
            border-radius: 6px;
        }

        .tag {
            display: inline-block;
            padding: 4px 14px;
            font-size: 12px;
            font-weight: 500;
            border-radius: var(--radius-tag);
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            color: var(--color-text-muted);
            letter-spacing: 0.3px;
        }

        .tag-accent {
            background-color: rgba(176, 141, 87, 0.1);
            border-color: rgba(176, 141, 87, 0.3);
            color: var(--color-accent-dark);
        }

        .tag-secondary {
            background-color: rgba(31, 61, 58, 0.08);
            border-color: rgba(31, 61, 58, 0.2);
            color: var(--color-secondary);
        }

        .card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px;
            transition: all var(--transition-card);
        }

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

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

        .card-img-top img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            transition: transform 220ms ease;
        }

        .card:hover .card-img-top img {
            transform: scale(1.02);
        }

        .card-body {
            padding: 20px 0 0;
        }

        .card-title {
            font-size: 20px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

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

        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--color-text-light);
            margin-top: 12px;
        }

        .badge-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--color-accent);
            margin-right: 6px;
            vertical-align: middle;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(245, 243, 238, 0.92);
            backdrop-filter: saturate(180%) blur(10px);
            -webkit-backdrop-filter: saturate(180%) blur(10px);
            border-bottom: 1px solid var(--color-border);
            height: 70px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 28px;
        }

        .brand-logo {
            font-family: var(--font-display);
            font-size: 24px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .brand-logo:hover {
            color: var(--color-accent);
        }

        .brand-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background-color: var(--color-accent);
            color: #fff;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 700;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
            margin: 0;
        }

        .main-nav li {
            margin: 0;
        }

        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-primary);
            padding: 8px 2px;
            position: relative;
            transition: color 160ms ease;
            white-space: nowrap;
        }

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

        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--color-accent);
            transition: width 200ms ease;
        }

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

        .main-nav a.active {
            color: var(--color-accent);
            font-weight: 600;
        }

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

        .nav-cta {
            margin-left: 8px;
        }

        .breadcrumb-bar {
            border-bottom: 1px solid var(--color-border);
            padding: 10px 0;
            background-color: var(--color-bg);
        }

        .breadcrumb {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            flex-wrap: wrap;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--color-text-light);
        }

        .breadcrumb li:not(:last-child)::after {
            content: '/';
            color: var(--color-border);
            margin-left: 4px;
        }

        .breadcrumb a {
            color: var(--color-text-light);
            transition: color 160ms ease;
        }

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

        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 600;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-primary);
            font-size: 24px;
            cursor: pointer;
            padding: 8px;
        }

        /* Hero */
        .hero {
            min-height: 85vh;
            display: flex;
            align-items: center;
            padding: 60px 0 80px;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, var(--color-bg) 0%, #FDFCFA 55%, #F0EDE6 100%);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(176, 141, 87, 0.06);
            pointer-events: none;
        }

        .hero .container {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 1;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 28px;
        }

        .hero-content h1 {
            margin-bottom: 20px;
            animation: heroLetterSpacing 600ms ease forwards;
        }

        @keyframes heroLetterSpacing {
            from { letter-spacing: 1px; }
            to { letter-spacing: -0.5px; }
        }

        .hero-content .hero-subtitle {
            font-size: 18px;
            color: var(--color-text-muted);
            line-height: 1.75;
            margin-bottom: 32px;
            max-width: 520px;
        }

        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }

        .hero-trust-marks {
            display: flex;
            gap: 22px;
            flex-wrap: wrap;
            align-items: center;
        }

        .hero-trust-marks span {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--color-text-muted);
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            min-height: 420px;
        }

        .hero-visual img {
            width: 100%;
            height: 100%;
            min-height: 420px;
            object-fit: cover;
            border-radius: var(--radius-card);
        }

        .hero-visual::before {
            content: '';
            position: absolute;
            top: 16px;
            left: 16px;
            right: -16px;
            bottom: -16px;
            border: 2px solid var(--color-accent);
            border-radius: var(--radius-card);
            pointer-events: none;
            opacity: 0.55;
            z-index: -1;
        }

        .hero-float-card {
            position: absolute;
            bottom: 24px;
            left: 24px;
            background-color: rgba(25, 25, 23, 0.85);
            backdrop-filter: blur(12px);
            border-radius: var(--radius-btn);
            padding: 14px 20px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
        }

        .hero-float-card .stat-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
        }

        /* Services */
        .services-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.9fr;
            gap: 24px;
        }

        .service-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px;
            transition: all var(--transition-card);
            display: flex;
            align-items: flex-start;
            gap: 18px;
            position: relative;
            overflow: hidden;
        }

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

        .service-card .service-number {
            font-size: 40px;
            font-weight: 700;
            color: var(--color-secondary);
            line-height: 1;
            font-family: var(--font-sans);
            min-width: 50px;
            letter-spacing: -1px;
        }

        .service-card .service-info h3 {
            margin-bottom: 8px;
            font-size: 20px;
        }

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

        .service-card .service-arrow {
            position: absolute;
            top: 24px;
            right: 24px;
            color: var(--color-text-light);
            font-size: 18px;
            transition: all 200ms ease;
        }

        .service-card:hover .service-arrow {
            color: var(--color-accent);
            transform: translate(3px, -3px);
        }

        .service-card-wide {
            grid-column: 1 / -1;
            display: flex;
            flex-direction: row;
            align-items: center;
            gap: 28px;
            padding: 32px;
        }

        .service-card-wide .service-number {
            font-size: 52px;
        }

        /* Stats */
        .stats-section {
            background-color: var(--color-primary);
            padding: 72px 0;
            border-radius: 0;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at center, rgba(176, 141, 87, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 32px;
            position: relative;
            z-index: 1;
        }

        .stat-item {
            text-align: center;
            padding: 20px 12px;
            border-right: 1px solid rgba(255, 255, 255, 0.1);
        }

        .stat-item:last-child {
            border-right: none;
        }

        .stat-number {
            font-size: clamp(44px, 5vw, 64px);
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.1;
            font-family: var(--font-sans);
            letter-spacing: -1px;
            display: block;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--color-footer-text);
            letter-spacing: 0.5px;
        }

        /* Case Gallery */
        .case-gallery {
            display: grid;
            grid-template-columns: 1.3fr 0.7fr;
            gap: 24px;
        }

        .case-card-main {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-card);
            grid-row: span 2;
        }

        .case-card-main:hover,
        .case-card-side:hover {
            background-color: var(--color-white);
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .case-card-main .case-img {
            height: 280px;
            overflow: hidden;
        }

        .case-card-main .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 220ms ease;
        }

        .case-card-main:hover .case-img img {
            transform: scale(1.02);
        }

        .case-card-main .case-content {
            padding: 24px 28px;
        }

        .case-card-side {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-card);
            display: flex;
            gap: 16px;
            padding: 16px;
        }

        .case-card-side .case-img-small {
            width: 110px;
            height: 110px;
            border-radius: var(--radius-img);
            overflow: hidden;
            flex-shrink: 0;
        }

        .case-card-side .case-img-small img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 220ms ease;
        }

        .case-card-side:hover .case-img-small img {
            transform: scale(1.05);
        }

        .case-card-side .case-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .case-card-side .case-info h3 {
            font-size: 17px;
            margin-bottom: 6px;
        }

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

        .case-tag {
            display: inline-block;
            padding: 2px 10px;
            font-size: 11px;
            border-radius: var(--radius-tag);
            background-color: rgba(31, 61, 58, 0.08);
            color: var(--color-secondary);
            margin-bottom: 8px;
            font-weight: 500;
            letter-spacing: 0.3px;
        }

        /* News module */
        .news-layout {
            display: grid;
            grid-template-columns: 1.4fr 0.6fr;
            gap: 32px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
        }

        .news-item {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--color-border);
            transition: all 200ms ease;
            align-items: flex-start;
        }

        .news-item:hover {
            padding-left: 8px;
            border-bottom-color: var(--color-accent);
        }

        .news-date {
            min-width: 56px;
            text-align: center;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 8px;
            padding: 8px 6px;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-secondary);
            line-height: 1.3;
            flex-shrink: 0;
        }

        .news-item-body h3 {
            font-size: 17px;
            margin-bottom: 6px;
            font-family: var(--font-sans);
            font-weight: 600;
        }

        .news-item-body h3 a {
            color: var(--color-primary);
            transition: color 160ms ease;
        }

        .news-item-body h3 a:hover {
            color: var(--color-accent);
        }

        .news-item-body p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

        .news-sidebar h3 {
            font-size: 18px;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--color-accent);
            display: inline-block;
        }

        .news-sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .news-sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border);
            font-size: 14px;
        }

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

        .news-sidebar-list a {
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color 160ms ease;
        }

        .news-sidebar-list a:hover {
            color: var(--color-accent);
        }

        .news-sidebar-list .rank-num {
            font-weight: 700;
            color: var(--color-accent);
            font-size: 16px;
            min-width: 24px;
        }

        /* Plan / Steps */
        .plan-steps {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .plan-step {
            display: grid;
            grid-template-columns: 120px 1fr;
            gap: 32px;
            padding: 32px 0;
            border-bottom: 2px solid var(--color-border);
            transition: all 220ms ease;
            position: relative;
        }

        .plan-step:hover {
            border-bottom-color: var(--color-accent);
            padding-left: 8px;
        }

        .plan-step:first-child {
            border-top: 2px solid var(--color-border);
        }

        .plan-step:first-child:hover {
            border-top-color: var(--color-accent);
        }

        .plan-step-label {
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: -0.5px;
            line-height: 1.3;
        }

        .plan-step-body h3 {
            margin-bottom: 8px;
            font-size: 22px;
        }

        .plan-step-body p {
            color: var(--color-text-muted);
            font-size: 15px;
            line-height: 1.7;
            max-width: 560px;
        }

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

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

        .review-card:hover {
            background-color: var(--color-white);
            border-color: var(--color-accent);
            box-shadow: var(--shadow-soft);
            transform: translateY(-3px);
        }

        .review-stars {
            color: var(--color-accent);
            font-size: 14px;
            margin-bottom: 12px;
            letter-spacing: 2px;
        }

        .review-text {
            font-size: 14px;
            color: var(--color-text);
            line-height: 1.75;
            margin-bottom: 14px;
        }

        .review-author {
            font-size: 13px;
            color: var(--color-text-muted);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .review-author .avatar-placeholder {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: var(--color-secondary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
        }

        /* Partners & Brand */
        .partners-section {
            background-color: var(--color-card);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .partners-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 20px;
        }

        .partner-tag {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-tag);
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: all 200ms ease;
            cursor: default;
        }

        .partner-tag:hover {
            border-color: var(--color-accent);
            background-color: rgba(176, 141, 87, 0.05);
            color: var(--color-accent-dark);
        }

        .brand-intro {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 32px 36px;
            margin-top: 32px;
        }

        .brand-intro h3 {
            margin-bottom: 12px;
        }

        .brand-intro p {
            color: var(--color-text-muted);
            font-size: 15px;
            line-height: 1.85;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
            margin-bottom: 0;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 4px;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 17px;
            font-weight: 600;
            color: var(--color-primary);
            font-family: var(--font-sans);
            transition: color 200ms ease;
            gap: 16px;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--color-border);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--color-text-muted);
            transition: all 250ms ease;
        }

        .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 350ms ease, padding 350ms ease;
            padding: 0 4px;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0 4px 20px;
        }

        .faq-answer p {
            color: var(--color-text-muted);
            font-size: 15px;
            line-height: 1.75;
            background-color: var(--color-card);
            border-radius: 8px;
            padding: 16px 20px;
        }

        /* CTA / Contact */
        .contact-section {
            background-color: var(--color-primary);
            position: relative;
            overflow: hidden;
        }

        .contact-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(176, 141, 87, 0.06) 0%, transparent 65%);
            pointer-events: none;
        }

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

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: flex-start;
        }

        .contact-section h2 {
            color: #fff;
        }

        .contact-section .section-subtitle {
            color: var(--color-footer-text);
        }

        .contact-form {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            padding: 32px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .contact-form label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .contact-form label .required {
            color: var(--color-accent-dark);
            margin-left: 2px;
        }

        .contact-form input,
        .contact-form textarea {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            background-color: #fff;
            font-size: 15px;
            color: var(--color-text);
            transition: all 200ms ease;
            margin-bottom: 18px;
            resize: vertical;
            min-height: 44px;
        }

        .contact-form input:focus,
        .contact-form textarea:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(176, 141, 87, 0.15);
        }

        .contact-info-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .contact-info-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--color-footer-text);
            font-size: 14px;
            line-height: 1.65;
        }

        .contact-info-list li:first-child {
            padding-top: 0;
        }

        .contact-info-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .contact-info-list .info-icon {
            color: var(--color-accent);
            font-size: 18px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .response-note {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 16px;
            font-size: 13px;
            color: var(--color-footer-text);
            background-color: rgba(176, 141, 87, 0.08);
            border-radius: var(--radius-tag);
            padding: 8px 16px;
        }

        /* Footer */
        .site-footer {
            background-color: var(--color-primary);
            color: var(--color-footer-text);
            padding: 56px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-footer .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

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

        .footer-brand .brand-logo:hover {
            color: var(--color-footer-hover);
        }

        .footer-brand p {
            color: var(--color-footer-text);
            font-size: 13px;
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .footer-domain {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.35);
            letter-spacing: 0.5px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            font-family: var(--font-sans);
            letter-spacing: 0.3px;
        }

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

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

        .footer-col ul a {
            color: var(--color-footer-text);
            font-size: 13px;
            transition: color 160ms ease;
        }

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

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
            transition: color 160ms ease;
        }

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

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-visual {
                min-height: 320px;
            }

            .hero-visual img {
                min-height: 320px;
            }

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

            .service-card-wide {
                grid-column: auto;
            }

            .stats-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }

            .stat-item {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }

            .stat-item:nth-child(3n) {
                border-right: none;
            }

            .case-gallery {
                grid-template-columns: 1fr;
            }

            .case-card-main {
                grid-row: auto;
            }

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

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

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

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

        @media (max-width: 768px) {
            .site-header {
                height: 60px;
            }

            .site-header .container {
                padding: 0 16px;
            }

            .main-nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background-color: var(--color-bg);
                border-bottom: 1px solid var(--color-border);
                padding: 16px 24px;
                gap: 12px;
                box-shadow: var(--shadow-soft);
            }

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

            .main-nav a {
                font-size: 16px;
                padding: 10px 0;
                display: block;
            }

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

            .nav-cta {
                margin-left: 0;
                width: 100%;
            }

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

            .mobile-toggle {
                display: block;
            }

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

            .container {
                padding: 0 16px;
            }

            .hero {
                min-height: auto;
                padding: 40px 0 60px;
            }

            .hero .container {
                gap: 28px;
                padding: 0 16px;
            }

            .hero-content .hero-subtitle {
                font-size: 16px;
                margin-bottom: 24px;
            }

            .hero-cta-group {
                flex-direction: column;
                gap: 12px;
            }

            .btn-lg {
                width: 100%;
                justify-content: center;
            }

            .hero-visual {
                min-height: 240px;
            }

            .hero-visual img {
                min-height: 240px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .stat-item {
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                padding: 14px 8px;
            }

            .stat-item:nth-child(odd) {
                border-right: 1px solid rgba(255, 255, 255, 0.1);
            }

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

            .service-card {
                padding: 20px;
                flex-direction: column;
                gap: 12px;
            }

            .service-card .service-number {
                font-size: 32px;
            }

            .service-card-wide {
                padding: 24px;
            }

            .case-card-main .case-img {
                height: 200px;
            }

            .plan-step {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 22px 0;
            }

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

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

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

            .partner-tag {
                font-size: 12px;
                padding: 6px 14px;
            }

            .brand-intro {
                padding: 24px;
            }

            .faq-question {
                font-size: 15px;
                padding: 16px 2px;
            }
        }

        @media (max-width: 480px) {
            body {
                font-size: 15px;
            }

            h1 {
                font-size: 28px;
            }

            h2 {
                font-size: 24px;
            }

            .container {
                padding: 0 14px;
            }

            .card {
                padding: 16px;
            }

            .hero-visual {
                min-height: 200px;
            }

            .hero-visual img {
                min-height: 200px;
            }

            .btn {
                padding: 11px 20px;
                font-size: 14px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .stat-number {
                font-size: 30px;
            }

            .stat-label {
                font-size: 12px;
            }

            .news-item {
                flex-direction: column;
                gap: 8px;
            }

            .news-date {
                min-width: auto;
                display: inline-block;
                padding: 4px 10px;
            }

            .case-card-side {
                flex-direction: column;
            }

            .case-card-side .case-img-small {
                width: 100%;
                height: 160px;
            }

            .contact-form {
                padding: 20px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #191917;
            --color-accent: #B08D57;
            --color-accent-dark: #8A6B3E;
            --color-secondary: #1F3D3A;
            --color-bg: #F5F3EE;
            --color-card: #FBF9F5;
            --color-white: #FFFFFF;
            --color-text: #3A3A38;
            --color-text-muted: #6E6D69;
            --color-text-light: #A09F99;
            --color-border: #E8E6E0;
            --color-footer-text: #A09F99;
            --color-footer-hover: #D4C29B;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-img: 10px;
            --radius-tag: 20px;
            --shadow-hover: 0 8px 28px rgba(25, 25, 23, 0.08);
            --shadow-soft: 0 2px 12px rgba(25, 25, 23, 0.04);
            --transition-base: 200ms ease;
            --transition-card: 220ms ease;
            --font-display: "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun", serif;
            --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --container-max: 1200px;
            --section-spacing: 88px;
            --section-spacing-mobile: 56px;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color 160ms ease, border-color 160ms ease, background-color 200ms ease;
        }
        a:hover {
            color: var(--color-accent);
        }
        button, input, textarea, select {
            font-family: var(--font-sans);
            font-size: 15px;
        }
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-display);
            color: var(--color-primary);
            line-height: 1.25;
            font-weight: 700;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 28px;
        }
        .section {
            padding: var(--section-spacing) 0;
        }
        .section-dark {
            background-color: var(--color-primary);
            color: #fff;
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark p {
            color: #fff;
        }
        .section-dark .section-subtitle {
            color: var(--color-footer-text);
        }
        .section-subtitle {
            color: var(--color-text-muted);
            font-size: 16px;
            line-height: 1.75;
            max-width: 680px;
            margin-top: 14px;
        }
        .section-heading {
            margin-bottom: 40px;
        }
        .section-heading-center {
            text-align: center;
        }
        .section-heading-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            cursor: pointer;
            border: none;
            transition: all var(--transition-base);
            text-align: center;
            white-space: nowrap;
            background: none;
        }
        .btn:focus-visible {
            outline: 2px solid rgba(176, 141, 87, 0.3);
            outline-offset: 2px;
        }
        .btn:active {
            transform: translateY(1px);
        }
        .btn-primary {
            background-color: var(--color-accent);
            color: #fff;
        }
        .btn-primary:hover {
            background-color: var(--color-secondary);
            color: #fff;
        }
        .btn-outline {
            background-color: transparent;
            border: 1px solid var(--color-accent);
            color: var(--color-accent);
        }
        .btn-outline:hover {
            background-color: rgba(176, 141, 87, 0.05);
            color: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
        }
        .btn-lg {
            padding: 16px 32px;
            font-size: 18px;
            border-radius: var(--radius-btn);
        }
        .btn-sm {
            padding: 9px 18px;
            font-size: 13px;
            border-radius: 6px;
        }
        .tag {
            display: inline-block;
            padding: 4px 14px;
            font-size: 12px;
            font-weight: 500;
            border-radius: var(--radius-tag);
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            color: var(--color-text-muted);
            letter-spacing: 0.3px;
        }
        .tag-accent {
            background-color: rgba(176, 141, 87, 0.1);
            border-color: rgba(176, 141, 87, 0.3);
            color: var(--color-accent-dark);
        }
        .tag-secondary {
            background-color: rgba(31, 61, 58, 0.08);
            border-color: rgba(31, 61, 58, 0.2);
            color: var(--color-secondary);
        }
        .card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px;
            transition: all var(--transition-card);
        }
        .card:hover {
            background-color: var(--color-white);
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            height: 72px;
            background: rgba(245, 243, 238, 0.92);
            backdrop-filter: saturate(180%) blur(10px);
            -webkit-backdrop-filter: saturate(180%) blur(10px);
            border-bottom: 1px solid var(--color-border);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            transition: color 160ms ease;
        }
        .brand-logo:hover {
            color: var(--color-accent);
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, #B08D57 0%, #8A6B3E 100%);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            border-radius: 8px;
            font-family: var(--font-sans);
            letter-spacing: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav li {
            display: flex;
            align-items: center;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-primary);
            padding: 6px 2px;
            border-bottom: 2px solid transparent;
            transition: color 160ms ease, border-color 160ms ease;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
        }
        .main-nav a.active {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
            font-weight: 600;
        }
        .nav-cta {
            margin-left: 4px;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--color-primary);
            cursor: pointer;
            padding: 8px;
            line-height: 1;
            transition: color 160ms ease;
        }
        .mobile-toggle:hover {
            color: var(--color-accent);
        }
        @media (max-width: 900px) {
            .mobile-toggle {
                display: inline-flex;
            }
            .main-nav {
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                background: var(--color-bg);
                border-bottom: 1px solid var(--color-border);
                max-height: 0;
                overflow: hidden;
                transition: max-height 250ms ease;
                padding: 0;
            }
            .main-nav.open {
                max-height: 520px;
                padding: 12px 28px 20px;
            }
            .main-nav li {
                width: 100%;
            }
            .main-nav a {
                display: block;
                padding: 12px 0;
                border-bottom: 1px solid var(--color-border);
                font-size: 16px;
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .nav-cta {
                margin-left: 0;
                margin-top: 8px;
            }
            .nav-cta .btn {
                width: 100%;
            }
        }
        /* Breadcrumb */
        .breadcrumb-bar {
            padding: 14px 0;
            border-bottom: 1px solid var(--color-border);
            background-color: rgba(255, 255, 255, 0.5);
        }
        .breadcrumb {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-light);
            flex-wrap: wrap;
            margin: 0;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            color: var(--color-text-light);
            font-size: 12px;
        }
        .breadcrumb a {
            color: var(--color-text-light);
            transition: color 160ms ease;
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 600;
            cursor: default;
        }
        /* Category Hero */
        .category-hero {
            padding: 56px 0 40px;
        }
        .category-hero .hero-inner {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }
        .category-hero .hero-copy h1 {
            font-size: 44px;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            font-family: var(--font-sans);
        }
        .category-hero .hero-copy p {
            font-size: 17px;
            color: var(--color-text-muted);
            line-height: 1.8;
            max-width: 580px;
            margin-bottom: 24px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-visual {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            min-height: 320px;
            background-color: var(--color-secondary);
            border: 1px solid var(--color-border);
        }
        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }
        .hero-visual .visual-frame {
            position: absolute;
            top: 18px;
            left: 18px;
            width: 60px;
            height: 60px;
            border-top: 3px solid var(--color-accent);
            border-left: 3px solid var(--color-accent);
            border-radius: 4px 0 0 0;
        }
        .hero-visual .visual-chips {
            position: absolute;
            bottom: 20px;
            left: 20px;
            right: 20px;
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .hero-visual .visual-chips span {
            background: rgba(25, 25, 23, 0.75);
            color: #fff;
            font-size: 12px;
            padding: 6px 12px;
            border-radius: 20px;
            backdrop-filter: blur(4px);
            letter-spacing: 0.3px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        @media (max-width: 900px) {
            .hero-visual .visual-chips span {
                font-size: 11px;
                padding: 4px 10px;
            }
        }
        @media (max-width: 768px) {
            .category-hero .hero-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .category-hero .hero-copy h1 {
                font-size: 30px;
                letter-spacing: -0.5px;
            }
            .hero-visual {
                min-height: 220px;
            }
            .hero-visual img {
                min-height: 220px;
            }
        }
        /* Filter Bar */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            padding: 14px 0;
            margin-bottom: 32px;
            border-bottom: 1px solid var(--color-border);
            border-top: 1px solid var(--color-border);
        }
        .filter-bar .filter-label {
            font-size: 13px;
            color: var(--color-text-muted);
            font-weight: 500;
            white-space: nowrap;
        }
        .filter-pills {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-pill {
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            border: 1px solid var(--color-border);
            background: var(--color-white);
            color: var(--color-text-muted);
            cursor: pointer;
            transition: all 160ms ease;
            white-space: nowrap;
        }
        .filter-pill:hover,
        .filter-pill.active {
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
            background: rgba(176, 141, 87, 0.08);
        }
        .filter-pill:focus-visible {
            outline: 2px solid rgba(176, 141, 87, 0.3);
            outline-offset: 2px;
        }
        /* Big Image Card Flow */
        .intel-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .intel-card {
            display: grid;
            grid-template-columns: 35% 65%;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-card);
        }
        .intel-card:hover {
            background: var(--color-white);
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .intel-card .intel-img {
            position: relative;
            overflow: hidden;
            min-height: 100%;
        }
        .intel-card .intel-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 400ms ease;
        }
        .intel-card:hover .intel-img img {
            transform: scale(1.02);
        }
        .intel-card .intel-body {
            padding: 26px 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .intel-card .intel-body h3 {
            font-size: 21px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--color-primary);
            font-family: var(--font-sans);
        }
        .intel-card .intel-body p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.75;
            margin-bottom: 14px;
        }
        .intel-meta {
            display: flex;
            gap: 12px;
            align-items: center;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--color-text-light);
        }
        .intel-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .intel-meta .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--color-accent);
        }
        @media (max-width: 768px) {
            .intel-card {
                grid-template-columns: 1fr;
            }
            .intel-card .intel-img {
                min-height: 200px;
            }
            .intel-card .intel-body {
                padding: 20px;
            }
        }
        /* Feature Grid */
        .feature-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .feature-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 22px 24px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            transition: all var(--transition-card);
        }
        .feature-item:hover {
            background: var(--color-white);
            border-color: var(--color-accent);
            box-shadow: var(--shadow-soft);
            transform: translateY(-2px);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            flex-shrink: 0;
            border-radius: 10px;
            background: rgba(176, 141, 87, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent-dark);
            font-size: 20px;
        }
        .feature-item h3 {
            font-size: 19px;
            font-weight: 600;
            margin-bottom: 6px;
            font-family: var(--font-sans);
        }
        .feature-item p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.75;
            margin: 0;
        }
        @media (max-width: 768px) {
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-item {
                padding: 18px;
            }
        }
        /* Process Steps */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .process-step {
            padding: 24px 20px;
            background: transparent;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            transition: all var(--transition-card);
            position: relative;
        }
        .process-step:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-soft);
            transform: translateY(-2px);
            background: var(--color-white);
        }
        .step-num {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-secondary);
            font-family: var(--font-sans);
            margin-bottom: 10px;
            line-height: 1;
        }
        .process-step h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 6px;
            font-family: var(--font-sans);
        }
        .process-step p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0;
        }
        @media (max-width: 768px) {
            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .process-step {
                padding: 18px 16px;
            }
            .step-num {
                font-size: 28px;
            }
        }
        @media (max-width: 480px) {
            .process-steps {
                grid-template-columns: 1fr;
            }
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            background: var(--color-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--color-accent);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            text-align: left;
            font-size: 18px;
            font-weight: 600;
            color: var(--color-primary);
            font-family: var(--font-sans);
            transition: color 160ms ease;
            gap: 16px;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question:focus-visible {
            outline: 2px solid rgba(176, 141, 87, 0.3);
            outline-offset: -2px;
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border: 1px solid var(--color-border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--color-accent);
            transition: all var(--transition-base);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 250ms ease, padding 250ms ease;
            padding: 0 22px;
            background: var(--color-bg);
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 240px;
            padding: 16px 22px 20px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }
        /* CTA */
        .cta-panel {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: var(--color-primary);
            border-radius: 16px;
            padding: 48px;
            color: #fff;
        }
        .cta-panel .cta-copy h2 {
            color: #fff;
            font-size: 30px;
            margin-bottom: 12px;
            font-family: var(--font-sans);
        }
        .cta-panel .cta-copy p {
            color: var(--color-footer-text);
            font-size: 16px;
            line-height: 1.75;
            margin-bottom: 24px;
            max-width: 420px;
        }
        .cta-panel .cta-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-info {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .cta-info-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            color: #fff;
        }
        .cta-info-item i {
            color: var(--color-accent);
            font-size: 18px;
            margin-top: 4px;
            width: 20px;
        }
        .cta-info-item span {
            color: var(--color-footer-text);
            font-size: 15px;
        }
        @media (max-width: 768px) {
            .cta-panel {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 32px 24px;
            }
            .cta-panel .cta-copy h2 {
                font-size: 24px;
            }
        }
        /* CTA Form */
        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .cta-form label {
            font-size: 13px;
            color: #fff;
            font-weight: 500;
        }
        .cta-form input,
        .cta-form textarea {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-btn);
            padding: 12px 14px;
            color: #fff;
            font-size: 15px;
            width: 100%;
            transition: border-color 160ms ease, background 160ms ease;
        }
        .cta-form input::placeholder,
        .cta-form textarea::placeholder {
            color: var(--color-text-light);
        }
        .cta-form input:focus,
        .cta-form textarea:focus {
            outline: none;
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.1);
        }
        .cta-form textarea {
            min-height: 96px;
            resize: vertical;
        }
        /* Pagination */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            margin-top: 28px;
        }
        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 8px;
            border: 1px solid var(--color-border);
            font-size: 14px;
            color: var(--color-text-muted);
            background: var(--color-white);
            transition: all 160ms ease;
        }
        .pagination a:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
            background: rgba(176, 141, 87, 0.06);
        }
        .pagination .current {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
            font-weight: 600;
        }
        .pagination .disabled {
            opacity: 0.4;
            pointer-events: none;
            cursor: default;
        }
        /* Footer */
        .site-footer {
            background-color: var(--color-primary);
            padding: 60px 0 0;
            margin-top: 0;
        }
        .site-footer .container {
            padding-bottom: 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
        }
        .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 16px;
            font-size: 24px;
        }
        .footer-brand .brand-logo:hover {
            color: var(--color-footer-hover);
        }
        .footer-brand p {
            color: var(--color-footer-text);
            font-size: 14px;
            line-height: 1.75;
            max-width: 280px;
            margin-bottom: 12px;
        }
        .footer-domain {
            color: var(--color-footer-text);
            font-size: 13px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
            font-family: var(--font-sans);
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a,
        .footer-col ul span {
            color: var(--color-footer-text);
            font-size: 14px;
            transition: color 160ms ease;
        }
        .footer-col ul a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 18px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            color: var(--color-footer-text);
            font-size: 13px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .footer-bottom span {
            color: var(--color-footer-text);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-links a {
            color: var(--color-footer-text);
            font-size: 13px;
            transition: color 160ms ease;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-links span {
            color: var(--color-footer-text);
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                padding: 18px 20px;
                font-size: 12px;
            }
        }
        /* Utility */
        .mt-0 { margin-top: 0 !important; }
        .mb-0 { margin-bottom: 0 !important; }
        .text-center { text-align: center; }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

/* roulang page: category1 */
:root {
            --color-primary: #191917;
            --color-accent: #B08D57;
            --color-accent-dark: #8A6B3E;
            --color-secondary: #1F3D3A;
            --color-bg: #F5F3EE;
            --color-card: #FBF9F5;
            --color-white: #FFFFFF;
            --color-text: #3A3A38;
            --color-text-muted: #6E6D69;
            --color-text-light: #A09F99;
            --color-border: #E8E6E0;
            --color-footer-text: #A09F99;
            --color-footer-hover: #D4C29B;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-img: 10px;
            --radius-tag: 20px;
            --shadow-hover: 0 8px 28px rgba(25, 25, 23, 0.08);
            --shadow-soft: 0 2px 12px rgba(25, 25, 23, 0.04);
            --transition-base: 200ms ease;
            --transition-card: 220ms ease;
            --font-display: "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun", serif;
            --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --container-max: 1200px;
            --section-spacing: 100px;
            --section-spacing-mobile: 60px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color 160ms ease, border-color 160ms ease, background-color 200ms ease;
        }

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

        button,
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 15px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 28px;
        }

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

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

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

        .section-dark h2,
        .section-dark h3,
        .section-dark p {
            color: #fff;
        }

        .section-dark .section-subtitle {
            color: var(--color-footer-text);
        }

        .section-subtitle {
            color: var(--color-text-muted);
            font-size: 16px;
            line-height: 1.75;
            max-width: 680px;
            margin-top: 14px;
        }

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

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-display);
            color: var(--color-primary);
            line-height: 1.3;
            font-weight: 700;
        }

        h1 {
            font-size: 44px;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }

        h2 {
            font-size: 32px;
            letter-spacing: -0.3px;
            margin-bottom: 12px;
        }

        h3 {
            font-size: 21px;
            letter-spacing: -0.2px;
            margin-bottom: 8px;
        }

        p {
            color: var(--color-text);
            margin-bottom: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            cursor: pointer;
            border: none;
            transition: all var(--transition-base);
            text-align: center;
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 2px solid rgba(176, 141, 87, 0.3);
            outline-offset: 2px;
        }

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

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

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

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

        .btn-outline:hover {
            background-color: rgba(176, 141, 87, 0.05);
            color: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 18px;
            border-radius: var(--radius-btn);
        }

        .btn-sm {
            padding: 9px 18px;
            font-size: 13px;
            border-radius: 6px;
        }

        .tag {
            display: inline-block;
            padding: 4px 14px;
            font-size: 12px;
            font-weight: 500;
            border-radius: var(--radius-tag);
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            color: var(--color-text-muted);
            letter-spacing: 0.3px;
        }

        .tag-accent {
            background-color: rgba(176, 141, 87, 0.1);
            border-color: rgba(176, 141, 87, 0.3);
            color: var(--color-accent-dark);
        }

        .tag-secondary {
            background-color: rgba(31, 61, 58, 0.08);
            border-color: rgba(31, 61, 58, 0.2);
            color: var(--color-secondary);
        }

        .card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px;
            transition: all var(--transition-card);
        }

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

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

        .card-img-top img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }

        /* Header/Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(245, 243, 238, 0.96);
            backdrop-filter: saturate(180%) blur(10px);
            border-bottom: 1px solid var(--color-border);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .brand-logo:hover {
            color: var(--color-accent);
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background-color: var(--color-primary);
            color: var(--color-accent);
            font-size: 18px;
            font-weight: 700;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
        }

        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-primary);
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: all var(--transition-base);
        }

        .main-nav a:hover {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
        }

        .main-nav a.active {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
        }

        .nav-cta {
            margin-left: 8px;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--color-primary);
            cursor: pointer;
            padding: 8px;
            line-height: 1;
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background-color: var(--color-bg);
            border-bottom: 1px solid var(--color-border);
            padding: 12px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 4px;
            font-size: 13px;
            color: var(--color-text-light);
            list-style: none;
            margin: 0;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .breadcrumb li:not(:last-child)::after {
            content: "/";
            margin-left: 6px;
            color: var(--color-text-light);
        }

        .breadcrumb a {
            color: var(--color-text-light);
        }

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

        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 600;
            cursor: default;
        }

        /* Category Header */
        .category-header {
            padding: 48px 0 24px;
        }

        .category-header .category-badge {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            background-color: rgba(176, 141, 87, 0.1);
            border-radius: 20px;
            padding: 6px 16px;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .category-header .category-subtitle {
            font-size: 17px;
            color: var(--color-text-muted);
            max-width: 720px;
            margin-top: 8px;
            line-height: 1.75;
        }

        /* Category Layout */
        .category-layout {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 40px;
            align-items: start;
        }

        .sidebar-filters {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            position: sticky;
            top: 100px;
        }

        .sidebar-filters h3 {
            font-size: 17px;
            margin-bottom: 16px;
            color: var(--color-primary);
        }

        .filter-group {
            margin-bottom: 20px;
        }

        .filter-group:last-child {
            margin-bottom: 0;
        }

        .filter-group h4 {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-muted);
            margin-bottom: 10px;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }

        .filter-options {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .filter-option {
            display: inline-block;
            padding: 6px 14px;
            font-size: 13px;
            border-radius: 20px;
            border: 1px solid var(--color-border);
            background-color: var(--color-white);
            color: var(--color-text-muted);
            cursor: pointer;
            transition: all var(--transition-base);
            user-select: none;
        }

        .filter-option:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .filter-option.active {
            background-color: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
        }

        /* Big Card Stream */
        .card-stream {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .horizontal-card {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 24px;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px;
            transition: all var(--transition-card);
            cursor: pointer;
        }

        .horizontal-card:hover {
            background-color: var(--color-white);
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .horizontal-card .card-image {
            border-radius: var(--radius-img);
            overflow: hidden;
            position: relative;
            height: 100%;
            min-height: 180px;
        }

        .horizontal-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 400ms ease;
        }

        .horizontal-card:hover .card-image img {
            transform: scale(1.03);
        }

        .horizontal-card .card-content {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 4px 0;
        }

        .horizontal-card .card-content h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--color-primary);
            line-height: 1.4;
        }

        .horizontal-card .card-content p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.75;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--color-text-light);
        }

        .card-meta .meta-date {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .card-meta .meta-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* Stats Strip */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            padding: 40px 32px;
            background-color: var(--color-primary);
            border-radius: var(--radius-card);
            margin-top: 48px;
        }

        .stat-item {
            text-align: center;
        }

        .stat-item .stat-number {
            font-size: 48px;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: -1px;
            line-height: 1.2;
            font-family: var(--font-sans);
        }

        .stat-item .stat-label {
            font-size: 14px;
            color: var(--color-footer-text);
            margin-top: 6px;
        }

        .stat-item .stat-unit {
            font-size: 18px;
            color: var(--color-accent);
            font-weight: 600;
            margin-left: 2px;
        }

        /* Pagination */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 40px;
            list-style: none;
        }

        .pagination li a,
        .pagination li span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 14px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            border: 1px solid var(--color-border);
            background-color: var(--color-white);
            color: var(--color-text-muted);
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .pagination li a:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .pagination li .current-page {
            background-color: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }

        .pagination li .page-disabled {
            opacity: 0.45;
            cursor: not-allowed;
            pointer-events: none;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            background-color: var(--color-card);
            transition: all var(--transition-base);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            font-family: var(--font-sans);
            transition: color var(--transition-base);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--color-border);
            border-radius: 50%;
            font-size: 13px;
            color: var(--color-text-muted);
            transition: all var(--transition-base);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 300ms ease;
            background-color: var(--color-bg);
            border-radius: 0 0 var(--radius-card) var(--radius-card);
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer-content {
            padding: 18px 22px;
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.8;
        }

        /* CTA Section */
        .cta-section {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            margin-top: 48px;
        }

        .cta-left h2 {
            font-size: 26px;
            margin-bottom: 10px;
        }

        .cta-left p {
            font-size: 15px;
            color: var(--color-text-muted);
        }

        .cta-right {
            display: flex;
            flex-direction: column;
            gap: 14px;
            align-items: flex-start;
        }

        .cta-contact-info {
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-muted);
        }

        .cta-contact-info span {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* Footer */
        .site-footer {
            background-color: var(--color-primary);
            color: var(--color-footer-text);
            padding: 56px 0 0;
            margin-top: 80px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .brand-logo {
            color: #fff;
            font-size: 20px;
        }

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

        .footer-brand p {
            color: var(--color-footer-text);
            font-size: 14px;
            line-height: 1.7;
            margin-top: 12px;
            margin-bottom: 8px;
            max-width: 280px;
        }

        .footer-domain {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.3px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

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

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: var(--color-footer-text);
            transition: color var(--transition-base);
        }

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

        .footer-col ul li span {
            font-size: 14px;
            color: var(--color-footer-text);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 18px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.4);
            font-size: 13px;
        }

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

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

            .sidebar-filters {
                position: static;
                order: 2;
            }

            .horizontal-card {
                grid-template-columns: 220px 1fr;
            }

            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
                padding: 28px 20px;
            }

            .stat-item .stat-number {
                font-size: 38px;
            }

            .cta-section {
                grid-template-columns: 1fr;
                padding: 36px 24px;
            }

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

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                flex-direction: column;
                background-color: var(--color-bg);
                border-bottom: 1px solid var(--color-border);
                padding: 16px 28px;
                gap: 4px;
                box-shadow: 0 12px 30px rgba(25, 25, 23, 0.08);
            }

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

            .main-nav li {
                width: 100%;
            }

            .main-nav li a {
                display: block;
                padding: 10px 0;
                font-size: 15px;
                border-bottom: 1px solid var(--color-border);
            }

            .main-nav .nav-cta {
                margin-left: 0;
                padding-top: 10px;
            }

            .main-nav .nav-cta a {
                display: inline-flex;
                border-bottom: none;
            }

            h1 {
                font-size: 30px;
            }

            h2 {
                font-size: 24px;
            }

            h3 {
                font-size: 18px;
            }

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

            .section-tight {
                padding: 40px 0;
            }

            .horizontal-card {
                grid-template-columns: 1fr;
                gap: 16px;
                padding: 16px;
            }

            .horizontal-card .card-image {
                min-height: 160px;
                max-height: 200px;
            }

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

            .cta-section {
                padding: 28px 20px;
            }
        }

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

            .header-actions {
                gap: 8px;
            }

            .btn {
                padding: 11px 20px;
                font-size: 14px;
            }

            .btn-lg {
                padding: 14px 24px;
                font-size: 16px;
                width: 100%;
            }

            .pagination li a,
            .pagination li span {
                min-width: 34px;
                height: 34px;
                padding: 0 10px;
                font-size: 13px;
            }

            .stats-strip {
                grid-template-columns: 1fr 1fr;
                padding: 20px 16px;
            }

            .stat-item .stat-number {
                font-size: 32px;
            }

            .card {
                padding: 18px;
            }

            .breadcrumb {
                font-size: 12px;
                flex-wrap: wrap;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #191917;
            --color-accent: #B08D57;
            --color-accent-dark: #8A6B3E;
            --color-secondary: #1F3D3A;
            --color-bg: #F5F3EE;
            --color-card: #FBF9F5;
            --color-white: #FFFFFF;
            --color-text: #3A3A38;
            --color-text-muted: #6E6D69;
            --color-text-light: #A09F99;
            --color-border: #E8E6E0;
            --color-footer-text: #A09F99;
            --color-footer-hover: #D4C29B;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-img: 10px;
            --radius-tag: 20px;
            --shadow-hover: 0 8px 28px rgba(25, 25, 23, 0.08);
            --shadow-soft: 0 2px 12px rgba(25, 25, 23, 0.04);
            --transition-base: 200ms ease;
            --transition-card: 220ms ease;
            --font-display: "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun", serif;
            --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --container-max: 1200px;
            --section-spacing: 100px;
            --section-spacing-mobile: 60px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color 160ms ease, border-color 160ms ease, background-color 200ms ease;
        }

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

        button,
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 15px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 28px;
        }

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

        .section-tight {
            padding: 60px 0;
        }

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

        .section-dark h1,
        .section-dark h2,
        .section-dark h3,
        .section-dark h4,
        .section-dark p {
            color: #fff;
        }

        .section-dark .section-subtitle {
            color: var(--color-footer-text);
        }

        .section-subtitle {
            color: var(--color-text-muted);
            font-size: 16px;
            line-height: 1.75;
            max-width: 720px;
            margin-top: 14px;
            margin-bottom: 0;
        }

        .section-heading {
            margin-bottom: 42px;
        }

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

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

        h1,
        h2,
        h3,
        h4 {
            font-family: var(--font-display);
            color: var(--color-primary);
            margin-top: 0;
        }

        h1 {
            font-size: 42px;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 16px;
        }

        h2 {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: -0.3px;
            line-height: 1.3;
            margin-bottom: 14px;
        }

        h3 {
            font-size: 21px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 10px;
        }

        h4 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
        }

        p {
            margin-bottom: 16px;
            color: var(--color-text);
            line-height: 1.85;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            cursor: pointer;
            border: none;
            transition: all var(--transition-base);
            text-align: center;
            white-space: nowrap;
            text-decoration: none;
        }

        .btn:focus-visible {
            outline: 2px solid rgba(176, 141, 87, 0.3);
            outline-offset: 2px;
        }

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

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

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

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

        .btn-outline:hover {
            background-color: rgba(176, 141, 87, 0.05);
            color: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 18px;
            border-radius: var(--radius-btn);
        }

        .btn-sm {
            padding: 9px 18px;
            font-size: 13px;
            border-radius: 6px;
        }

        .btn-block {
            width: 100%;
        }

        .tag {
            display: inline-block;
            padding: 4px 14px;
            font-size: 12px;
            font-weight: 500;
            border-radius: var(--radius-tag);
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            color: var(--color-text-muted);
            letter-spacing: 0.3px;
            transition: all 160ms ease;
        }

        .tag:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
        }

        .tag-accent {
            background-color: rgba(176, 141, 87, 0.1);
            border-color: rgba(176, 141, 87, 0.3);
            color: var(--color-accent-dark);
        }

        .tag-secondary {
            background-color: rgba(31, 61, 58, 0.08);
            border-color: rgba(31, 61, 58, 0.2);
            color: var(--color-secondary);
        }

        .card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px;
            transition: all var(--transition-card);
        }

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

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(245, 243, 238, 0.97);
            backdrop-filter: saturate(180%) blur(10px);
            -webkit-backdrop-filter: saturate(180%) blur(10px);
            border-bottom: 1px solid var(--color-border);
            min-height: 70px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 20px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-size: 23px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
            transition: color 160ms ease;
        }

        .brand-logo:hover {
            color: var(--color-accent-dark);
        }

        .brand-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 9px;
            background-color: var(--color-primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            transition: background-color 200ms ease;
        }

        .brand-logo:hover .logo-mark {
            background-color: var(--color-secondary);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .main-nav li {
            margin: 0;
        }

        .main-nav li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-primary);
            border-radius: 6px;
            position: relative;
            transition: color 160ms ease, background-color 160ms ease;
            white-space: nowrap;
        }

        .main-nav li a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background-color: var(--color-accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 200ms ease;
        }

        .main-nav li a:hover {
            color: var(--color-accent-dark);
            background-color: rgba(176, 141, 87, 0.05);
        }

        .main-nav li a:hover::after {
            transform: scaleX(1);
        }

        .main-nav li a.active {
            color: var(--color-accent-dark);
            font-weight: 600;
        }

        .main-nav li a.active::after {
            transform: scaleX(1);
        }

        .main-nav li.nav-cta a {
            padding: 9px 18px;
            background-color: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 13px;
            transition: background-color 200ms ease;
        }

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

        .main-nav li.nav-cta a:hover {
            background-color: var(--color-secondary);
            color: #fff;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: 1px solid var(--color-border);
            border-radius: 6px;
            padding: 8px 12px;
            font-size: 18px;
            color: var(--color-primary);
            cursor: pointer;
            transition: all 160ms ease;
        }

        .mobile-toggle:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background-color: rgba(245, 243, 238, 0.8);
            border-bottom: 1px solid rgba(232, 230, 224, 0.6);
            padding: 12px 0;
            font-size: 13px;
            color: var(--color-text-light);
        }

        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .breadcrumb-bar a {
            color: var(--color-text-light);
            transition: color 160ms ease;
        }

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

        .breadcrumb-bar .sep {
            color: var(--color-border);
            flex-shrink: 0;
        }

        .breadcrumb-bar .current {
            color: var(--color-primary);
            font-weight: 600;
            cursor: default;
        }

        /* ========== Category Hero ========== */
        .category-hero {
            padding: 60px 0 48px;
            background-color: var(--color-primary);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(176, 141, 87, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero h1 {
            color: #fff;
            font-size: 38px;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .category-hero .hero-desc {
            color: var(--color-footer-text);
            font-size: 16px;
            max-width: 760px;
            line-height: 1.8;
            position: relative;
            z-index: 1;
            margin-bottom: 0;
        }

        .category-hero .hero-meta {
            display: flex;
            gap: 24px;
            margin-top: 22px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .category-hero .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--color-footer-hover);
        }

        .category-hero .hero-meta i {
            color: var(--color-accent);
        }

        /* ========== Compact List Stream ========== */
        .compact-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .compact-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 20px 18px;
            border-bottom: 1px solid var(--color-border);
            transition: all 200ms ease;
            border-left: 3px solid transparent;
            border-radius: 0;
            background-color: transparent;
            position: relative;
        }

        .compact-item:hover {
            background-color: var(--color-card);
            border-left-color: var(--color-accent);
            padding-left: 22px;
        }

        .compact-thumb {
            width: 80px;
            height: 60px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-light);
            font-size: 22px;
        }

        .compact-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .compact-content {
            flex: 1;
            min-width: 0;
        }

        .compact-content h3 {
            font-size: 17px;
            margin-bottom: 6px;
            line-height: 1.4;
            font-weight: 600;
            color: var(--color-primary);
        }

        .compact-content h3 a {
            color: inherit;
            transition: color 160ms ease;
        }

        .compact-content h3 a:hover {
            color: var(--color-accent-dark);
        }

        .compact-content .desc {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .compact-content .meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--color-text-light);
        }

        .compact-content .meta .date {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .compact-content .meta .tags {
            display: flex;
            gap: 6px;
        }

        .compact-content .meta .tags .tag {
            font-size: 11px;
            padding: 2px 10px;
        }

        /* ========== Filter Sidebar (视觉桩) ========== */
        .filter-sidebar {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            position: sticky;
            top: 90px;
        }

        .filter-sidebar h4 {
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .filter-sidebar h4 i {
            color: var(--color-accent);
        }

        .filter-group {
            margin-bottom: 20px;
        }

        .filter-group .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-muted);
            margin-bottom: 8px;
            display: block;
        }

        .filter-group .filter-options {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .filter-group .filter-options .tag {
            cursor: pointer;
            font-size: 12px;
            padding: 5px 12px;
            transition: all 160ms ease;
        }

        .filter-group .filter-options .tag.active-tag {
            background-color: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }

        .filter-group .filter-options .tag:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
        }

        .filter-reset {
            display: block;
            width: 100%;
            text-align: center;
            padding: 10px;
            font-size: 13px;
            color: var(--color-text-light);
            background: none;
            border: 1px dashed var(--color-border);
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: all 160ms ease;
            margin-top: 8px;
        }

        .filter-reset:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
        }

        /* ========== Pagination ========== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 32px 0 8px;
        }

        .pagination .page-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 12px;
            font-size: 14px;
            font-weight: 500;
            border: 1px solid var(--color-border);
            border-radius: 8px;
            background-color: var(--color-card);
            color: var(--color-text);
            transition: all 160ms ease;
            cursor: pointer;
        }

        .pagination .page-link:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
        }

        .pagination .page-link.current {
            background-color: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            font-weight: 700;
        }

        .pagination .page-link.dots {
            border: none;
            background: none;
            cursor: default;
        }

        /* ========== Tool Feature Bar ========== */
        .tool-feature-bar {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 28px;
        }

        .tool-feature-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            background-color: rgba(176, 141, 87, 0.08);
            border: 1px solid rgba(176, 141, 87, 0.2);
            border-radius: var(--radius-tag);
            font-size: 13px;
            font-weight: 500;
            color: var(--color-accent-dark);
            transition: all 160ms ease;
        }

        .tool-feature-item i {
            color: var(--color-accent);
        }

        /* ========== CTA Section ========== */
        .cta-panel {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cta-panel .cta-text {
            flex: 1;
            min-width: 260px;
        }

        .cta-panel .cta-text h3 {
            font-size: 24px;
            margin-bottom: 8px;
        }

        .cta-panel .cta-text p {
            margin-bottom: 0;
            color: var(--color-text-muted);
        }

        .cta-panel .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ========== FAQ ========== */
        .faq-accordion {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            background-color: var(--color-card);
            overflow: hidden;
            transition: all 200ms ease;
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            cursor: pointer;
            user-select: none;
            transition: all 160ms ease;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-sans);
        }

        .faq-question h4 {
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 600;
            margin: 0;
            color: var(--color-primary);
            line-height: 1.5;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 1px solid var(--color-border);
            color: var(--color-text-muted);
            font-size: 13px;
            transition: all 200ms ease;
        }

        .faq-question:hover .faq-icon {
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
        }

        .faq-item.active .faq-question .faq-icon {
            border-color: var(--color-accent);
            background-color: var(--color-accent);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 300ms ease, padding 300ms ease;
            padding: 0 24px;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            margin: 0;
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.8;
            background-color: var(--color-bg);
            padding: 16px 20px;
            border-radius: 10px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background-color: var(--color-primary);
            color: var(--color-footer-text);
            padding: 60px 0 24px;
            margin-top: 20px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .site-footer .footer-brand .brand-logo {
            color: #fff;
            font-size: 21px;
            margin-bottom: 12px;
        }

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

        .site-footer .footer-brand p {
            color: var(--color-footer-text);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .site-footer .footer-domain {
            font-size: 12px;
            color: var(--color-text-light);
            letter-spacing: 0.3px;
        }

        .site-footer h4 {
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

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

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

        .site-footer ul li a {
            color: var(--color-footer-text);
            font-size: 14px;
            transition: color 160ms ease;
        }

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

        .site-footer ul li span {
            font-size: 14px;
        }

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

        .site-footer .footer-bottom .footer-links {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .site-footer .footer-bottom .footer-links a {
            color: var(--color-footer-hover);
            font-size: 12px;
            transition: color 160ms ease;
        }

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

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .site-footer .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
            .site-footer .footer-brand {
                grid-column: 1 / -1;
            }
            .category-hero h1 {
                font-size: 32px;
            }
            h1 {
                font-size: 34px;
            }
            h2 {
                font-size: 26px;
            }
            .section {
                padding: 80px 0;
            }
        }

        @media (max-width: 768px) {
            .site-header .container {
                flex-wrap: wrap;
            }
            .mobile-toggle {
                display: inline-flex;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                align-items: flex-start;
                width: 100%;
                gap: 0;
                padding: 12px 0 16px;
                order: 10;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav li {
                width: 100%;
            }
            .main-nav li a {
                display: block;
                width: 100%;
                padding: 10px 14px;
                border-radius: 6px;
            }
            .main-nav li.nav-cta {
                margin-top: 8px;
                width: 100%;
            }
            .main-nav li.nav-cta a {
                display: block;
                text-align: center;
            }
            .breadcrumb-bar {
                font-size: 12px;
                padding: 10px 0;
            }
            .category-hero {
                padding: 42px 0 36px;
            }
            .category-hero h1 {
                font-size: 27px;
            }
            .category-hero .hero-desc {
                font-size: 14px;
            }
            .category-hero .hero-meta {
                gap: 14px;
                font-size: 12px;
            }
            h1 {
                font-size: 29px;
            }
            h2 {
                font-size: 23px;
            }
            h3 {
                font-size: 18px;
            }
            .section {
                padding: 60px 0;
            }
            .section-tight {
                padding: 40px 0;
            }
            .container {
                padding: 0 18px;
            }
            .compact-item {
                padding: 16px 12px;
                gap: 14px;
            }
            .compact-thumb {
                width: 64px;
                height: 48px;
                font-size: 18px;
            }
            .compact-content h3 {
                font-size: 15px;
            }
            .compact-content .desc {
                font-size: 13px;
                -webkit-line-clamp: 3;
            }
            .filter-sidebar {
                position: static;
                margin-bottom: 24px;
            }
            .cta-panel {
                padding: 32px 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .site-footer .footer-brand {
                grid-column: 1 / -1;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn {
                padding: 11px 22px;
                font-size: 14px;
            }
            .btn-lg {
                padding: 14px 26px;
                font-size: 16px;
            }
        }

        @media (max-width: 520px) {
            body {
                font-size: 15px;
            }
            .site-header {
                min-height: 60px;
            }
            .brand-logo {
                font-size: 19px;
            }
            .brand-logo .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 15px;
                border-radius: 7px;
            }
            h1 {
                font-size: 26px;
            }
            h2 {
                font-size: 21px;
            }
            .section {
                padding: 48px 0;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero .hero-desc {
                font-size: 13px;
            }
            .category-hero .hero-meta {
                flex-direction: column;
                gap: 8px;
            }
            .compact-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 14px 10px;
            }
            .compact-thumb {
                width: 100%;
                height: 120px;
                border-radius: 8px;
            }
            .compact-content .meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .pagination .page-link {
                min-width: 34px;
                height: 34px;
                font-size: 13px;
                padding: 0 10px;
            }
            .cta-panel {
                padding: 24px 18px;
                gap: 20px;
            }
            .cta-panel .cta-text h3 {
                font-size: 20px;
            }
            .cta-panel .cta-actions {
                flex-direction: column;
                width: 100%;
            }
            .cta-panel .cta-actions .btn {
                width: 100%;
            }
            .faq-question {
                padding: 14px 16px;
            }
            .faq-question h4 {
                font-size: 14px;
            }
            .faq-item.active .faq-answer {
                padding: 0 16px 16px;
            }
            .faq-answer p {
                font-size: 13px;
                padding: 12px 14px;
            }
            .site-footer {
                padding: 40px 0 16px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-brand {
                grid-column: auto;
            }
            .tool-feature-bar {
                flex-direction: column;
                gap: 8px;
            }
            .tool-feature-item {
                width: 100%;
            }
            .btn-block-mobile {
                width: 100%;
            }
        }

        /* ========== Animations ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(16px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-in {
            animation: fadeInUp 500ms ease both;
        }

        .delay-1 {
            animation-delay: 80ms;
        }
        .delay-2 {
            animation-delay: 160ms;
        }
        .delay-3 {
            animation-delay: 240ms;
        }

        /* Hero title letter-spacing transition */
        .hero-title-animate {
            letter-spacing: 1px;
            transition: letter-spacing 600ms ease;
        }

        .hero-title-animate.ready {
            letter-spacing: -0.5px;
        }

        /* Image hover scale */
        .compact-thumb img {
            transition: transform 200ms ease;
        }

        .compact-item:hover .compact-thumb img {
            transform: scale(1.05);
        }

        /* Icon badge */
        .tool-icon-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background-color: rgba(176, 141, 87, 0.1);
            border: 1px solid rgba(176, 141, 87, 0.2);
            color: var(--color-accent-dark);
            font-size: 18px;
            margin-bottom: 12px;
            transition: all 200ms ease;
        }

        .tool-icon-badge:hover {
            background-color: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }

        /* Divider */
        .divider-accent {
            width: 48px;
            height: 3px;
            background-color: var(--color-accent);
            border-radius: 2px;
            margin-bottom: 16px;
        }

/* roulang page: category3 */
:root {
        --color-primary: #191917;
        --color-accent: #B08D57;
        --color-accent-dark: #8A6B3E;
        --color-secondary: #1F3D3A;
        --color-bg: #F5F3EE;
        --color-card: #FBF9F5;
        --color-white: #FFFFFF;
        --color-text: #3A3A38;
        --color-text-muted: #6E6D69;
        --color-text-light: #A09F99;
        --color-border: #E8E6E0;
        --color-footer-text: #A09F99;
        --color-footer-hover: #D4C29B;
        --radius-card: 12px;
        --radius-btn: 8px;
        --radius-img: 10px;
        --radius-tag: 20px;
        --shadow-hover: 0 8px 28px rgba(25, 25, 23, 0.08);
        --shadow-soft: 0 2px 12px rgba(25, 25, 23, 0.04);
        --transition-base: 200ms ease;
        --transition-card: 220ms ease;
        --font-display: "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun", serif;
        --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
        --container-max: 1200px;
        --section-spacing: 100px;
        --section-spacing-mobile: 60px;
    }
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        font-family: var(--font-sans);
        background-color: var(--color-bg);
        color: var(--color-text);
        line-height: 1.8;
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    a {
        color: var(--color-primary);
        text-decoration: none;
        transition: color 160ms ease, border-color 160ms ease, background-color 200ms ease;
    }
    a:hover {
        color: var(--color-accent);
    }
    button, input, textarea, select {
        font-family: var(--font-sans);
        font-size: 15px;
    }
    .container {
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 28px;
    }
    .section {
        padding: var(--section-spacing) 0;
    }
    .section-dark {
        background-color: var(--color-primary);
        color: #fff;
    }
    .section-dark h2,
    .section-dark h3,
    .section-dark p {
        color: #fff;
    }
    .section-dark .section-subtitle {
        color: var(--color-footer-text);
    }
    .section-subtitle {
        color: var(--color-text-muted);
        font-size: 16px;
        line-height: 1.75;
        max-width: 680px;
        margin-top: 14px;
    }
    .section-heading {
        margin-bottom: 40px;
    }
    .section-heading-center {
        text-align: center;
    }
    .section-heading-center .section-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 13px 28px;
        border-radius: var(--radius-btn);
        font-size: 15px;
        font-weight: 600;
        line-height: 1.2;
        cursor: pointer;
        border: none;
        transition: all var(--transition-base);
        text-align: center;
        white-space: nowrap;
    }
    .btn:focus-visible {
        outline: 2px solid rgba(176, 141, 87, 0.3);
        outline-offset: 2px;
    }
    .btn:active {
        transform: translateY(1px);
    }
    .btn-primary {
        background-color: var(--color-accent);
        color: #fff;
    }
    .btn-primary:hover {
        background-color: var(--color-secondary);
        color: #fff;
    }
    .btn-outline {
        background-color: transparent;
        border: 1px solid var(--color-accent);
        color: var(--color-accent);
    }
    .btn-outline:hover {
        background-color: rgba(176, 141, 87, 0.05);
        color: var(--color-accent-dark);
        border-color: var(--color-accent-dark);
    }
    .btn-lg {
        padding: 16px 32px;
        font-size: 18px;
        border-radius: var(--radius-btn);
    }
    .btn-sm {
        padding: 9px 18px;
        font-size: 13px;
        border-radius: 6px;
    }
    .tag {
        display: inline-block;
        padding: 4px 14px;
        font-size: 12px;
        font-weight: 500;
        border-radius: var(--radius-tag);
        background-color: var(--color-card);
        border: 1px solid var(--color-border);
        color: var(--color-text-muted);
        letter-spacing: 0.3px;
    }
    .tag-accent {
        background-color: rgba(176, 141, 87, 0.1);
        border-color: rgba(176, 141, 87, 0.3);
        color: var(--color-accent-dark);
    }
    .tag-secondary {
        background-color: rgba(31, 61, 58, 0.08);
        border-color: rgba(31, 61, 58, 0.2);
        color: var(--color-secondary);
    }
    .card {
        background-color: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: 28px;
        transition: all var(--transition-card);
    }
    .card:hover {
        background-color: var(--color-white);
        border-color: var(--color-accent);
        box-shadow: var(--shadow-hover);
        transform: translateY(-4px);
    }
    .card-img-top {
        border-radius: var(--radius-img);
        overflow: hidden;
        position: relative;
    }
    .card-img-top img {
        width: 100%;
        height: 220px;
        object-fit: cover;
        transition: transform 500ms ease;
    }
    .card:hover .card-img-top img {
        transform: scale(1.02);
    }

    /* Header / Navigation */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background-color: rgba(245, 243, 238, 0.92);
        backdrop-filter: saturate(180%) blur(10px);
        -webkit-backdrop-filter: saturate(180%) blur(10px);
        border-bottom: 1px solid var(--color-border);
    }
    .site-header .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 68px;
        gap: 24px;
    }
    .brand-logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-family: var(--font-display);
        font-size: 24px;
        font-weight: 700;
        color: var(--color-primary);
        letter-spacing: -0.5px;
        white-space: nowrap;
        transition: color 160ms ease;
    }
    .brand-logo:hover {
        color: var(--color-accent);
    }
    .logo-mark {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        background-color: var(--color-accent);
        color: #fff;
        border-radius: 10px;
        font-size: 20px;
        font-weight: 700;
        font-family: var(--font-display);
    }
    .site-header nav {
        display: flex;
        align-items: center;
    }
    .mobile-toggle {
        display: none;
        background: none;
        border: none;
        font-size: 24px;
        color: var(--color-primary);
        cursor: pointer;
        padding: 8px;
        transition: color 160ms ease;
    }
    .mobile-toggle:hover {
        color: var(--color-accent);
    }
    .main-nav {
        display: flex;
        align-items: center;
        gap: 28px;
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .main-nav li {
        margin: 0;
    }
    .main-nav a {
        position: relative;
        font-size: 15px;
        font-weight: 500;
        color: var(--color-primary);
        padding: 6px 0;
        display: inline-block;
        transition: color 160ms ease;
    }
    .main-nav a:hover {
        color: var(--color-accent);
    }
    .main-nav a::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 0;
        height: 2px;
        background-color: var(--color-accent);
        transition: width 200ms ease;
        border-radius: 1px;
    }
    .main-nav a:hover::after {
        width: 100%;
    }
    .main-nav a.active {
        color: var(--color-accent);
        font-weight: 600;
    }
    .main-nav a.active::after {
        width: 100%;
    }
    .nav-cta .btn {
        padding: 9px 20px;
        font-size: 13px;
        border-radius: 6px;
    }

    /* Breadcrumb */
    .breadcrumb-bar {
        border-bottom: 1px solid var(--color-border);
        padding: 14px 0;
        background-color: rgba(245, 243, 238, 0.7);
    }
    .breadcrumb {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
        font-size: 13px;
        color: var(--color-text-light);
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .breadcrumb li {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        margin: 0;
    }
    .breadcrumb li:not(:last-child)::after {
        content: '/';
        color: var(--color-text-light);
        margin-left: 4px;
    }
    .breadcrumb a {
        color: var(--color-text-light);
        transition: color 160ms ease;
    }
    .breadcrumb a:hover {
        color: var(--color-accent);
    }
    .breadcrumb .current {
        color: var(--color-primary);
        font-weight: 700;
    }

    /* Category Hero */
    .category-hero {
        padding: 56px 0 48px;
    }
    .category-hero .category-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background-color: rgba(176, 141, 87, 0.08);
        border: 1px solid rgba(176, 141, 87, 0.25);
        color: var(--color-accent-dark);
        padding: 6px 18px;
        border-radius: var(--radius-tag);
        font-size: 13px;
        font-weight: 500;
        margin-bottom: 18px;
    }
    .category-hero h1 {
        font-family: var(--font-display);
        font-size: 44px;
        font-weight: 700;
        color: var(--color-primary);
        letter-spacing: -0.5px;
        line-height: 1.2;
        margin-bottom: 16px;
        max-width: 800px;
    }
    .category-hero .hero-desc {
        font-size: 17px;
        color: var(--color-text-muted);
        line-height: 1.85;
        max-width: 720px;
        margin-bottom: 26px;
    }
    .category-hero .hero-actions {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
    }

    /* Strategy Core */
    .strategy-core {
        padding: 72px 0;
    }
    .strategy-core-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 28px;
        align-items: start;
    }
    .strategy-core-card {
        background: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: 32px 30px;
        transition: all var(--transition-card);
        position: relative;
        overflow: hidden;
    }
    .strategy-core-card:hover {
        border-color: var(--color-accent);
        box-shadow: var(--shadow-hover);
        transform: translateY(-4px);
        background-color: var(--color-white);
    }
    .strategy-core-card .core-number {
        font-size: 14px;
        color: var(--color-accent);
        font-weight: 600;
        letter-spacing: 1px;
        margin-bottom: 10px;
    }
    .strategy-core-card h3 {
        font-size: 22px;
        font-weight: 600;
        color: var(--color-primary);
        margin-bottom: 12px;
        font-family: var(--font-display);
    }
    .strategy-core-card p {
        font-size: 15px;
        color: var(--color-text-muted);
        line-height: 1.8;
        margin-bottom: 0;
    }
    .strategy-core-card .core-arrow {
        position: absolute;
        top: 30px;
        right: 30px;
        width: 36px;
        height: 36px;
        border-radius: 50%;
        border: 1px solid var(--color-border);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--color-accent);
        font-size: 14px;
        transition: all var(--transition-base);
    }
    .strategy-core-card:hover .core-arrow {
        background-color: var(--color-accent);
        color: #fff;
        border-color: var(--color-accent);
    }

    /* Feature Cards Flow */
    .cards-flow {
        padding: 72px 0;
        background-color: var(--color-card);
        border-top: 1px solid var(--color-border);
        border-bottom: 1px solid var(--color-border);
    }
    .cards-flow-header {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        gap: 24px;
        margin-bottom: 36px;
        flex-wrap: wrap;
    }
    .cards-flow-header h2 {
        font-size: 32px;
        font-weight: 700;
        color: var(--color-primary);
        font-family: var(--font-display);
        letter-spacing: -0.5px;
        margin-bottom: 0;
    }
    .cards-flow-header .filter-hint {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
    }
    .cards-flow-header .filter-hint .tag {
        cursor: pointer;
        transition: all var(--transition-base);
    }
    .cards-flow-header .filter-hint .tag:hover {
        border-color: var(--color-accent);
        color: var(--color-accent);
    }
    .flow-card-list {
        display: flex;
        flex-direction: column;
        gap: 22px;
    }
    .flow-card {
        display: grid;
        grid-template-columns: 35% 65%;
        background: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        overflow: hidden;
        transition: all var(--transition-card);
        min-height: 220px;
    }
    .flow-card:hover {
        border-color: var(--color-accent);
        box-shadow: var(--shadow-hover);
        transform: translateY(-3px);
        background-color: var(--color-white);
    }
    .flow-card-img {
        position: relative;
        overflow: hidden;
        min-height: 220px;
    }
    .flow-card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 500ms ease;
    }
    .flow-card:hover .flow-card-img img {
        transform: scale(1.03);
    }
    .flow-card-body {
        padding: 28px 32px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    .flow-card-body .card-label {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 12px;
        color: var(--color-accent);
        font-weight: 600;
        letter-spacing: 0.5px;
        margin-bottom: 10px;
        text-transform: uppercase;
    }
    .flow-card-body h3 {
        font-size: 22px;
        font-weight: 600;
        color: var(--color-primary);
        margin-bottom: 10px;
        font-family: var(--font-display);
    }
    .flow-card-body .card-excerpt {
        font-size: 15px;
        color: var(--color-text-muted);
        line-height: 1.75;
        margin-bottom: 14px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .flow-card-body .card-meta {
        display: flex;
        align-items: center;
        gap: 14px;
        font-size: 13px;
        color: var(--color-text-light);
    }
    .flow-card-body .card-meta span {
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }

    /* Data Stats */
    .data-stats {
        padding: 80px 0;
        background-color: var(--color-primary);
    }
    .data-stats .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 32px;
        text-align: center;
    }
    .data-stats .stat-item {
        padding: 12px 0;
    }
    .data-stats .stat-number {
        font-size: 56px;
        font-weight: 700;
        color: var(--color-secondary);
        line-height: 1.1;
        font-family: "Inter", var(--font-sans);
        letter-spacing: -1px;
        margin-bottom: 6px;
    }
    .data-stats .stat-label {
        font-size: 14px;
        color: var(--color-footer-text);
        letter-spacing: 0.5px;
    }

    /* Strategy Process */
    .strategy-process {
        padding: 72px 0;
    }
    .process-list {
        display: flex;
        flex-direction: column;
        gap: 0;
    }
    .process-item {
        display: grid;
        grid-template-columns: 80px 1fr 1.2fr;
        gap: 32px;
        align-items: start;
        padding: 32px 0;
        border-bottom: 1px solid var(--color-border);
        transition: all var(--transition-base);
    }
    .process-item:first-child {
        border-top: 1px solid var(--color-border);
    }
    .process-item:hover {
        padding-left: 12px;
        border-left: 3px solid var(--color-accent);
    }
    .process-item .process-step {
        font-size: 14px;
        color: var(--color-accent);
        font-weight: 600;
        letter-spacing: 1px;
        padding-top: 4px;
    }
    .process-item h3 {
        font-size: 22px;
        font-weight: 600;
        color: var(--color-primary);
        margin-bottom: 0;
        font-family: var(--font-display);
    }
    .process-item .process-desc {
        font-size: 15px;
        color: var(--color-text-muted);
        line-height: 1.8;
    }

    /* Sidebar + List Layout */
    .list-layout {
        display: grid;
        grid-template-columns: 1fr 280px;
        gap: 36px;
        align-items: start;
    }
    .list-main {
        min-width: 0;
    }
    .list-sidebar {
        background: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: 26px 24px;
        position: sticky;
        top: 90px;
    }
    .list-sidebar h4 {
        font-size: 16px;
        font-weight: 600;
        color: var(--color-primary);
        margin-bottom: 16px;
    }
    .sidebar-filter-group {
        display: flex;
        flex-direction: column;
        gap: 10px;
        margin-bottom: 18px;
    }
    .sidebar-filter-group .filter-label {
        font-size: 13px;
        color: var(--color-text-light);
        letter-spacing: 0.5px;
        margin-bottom: 2px;
    }
    .sidebar-filter-group .filter-option {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: var(--color-text-muted);
        cursor: pointer;
        padding: 6px 10px;
        border-radius: 6px;
        transition: all var(--transition-base);
    }
    .sidebar-filter-group .filter-option:hover {
        background-color: rgba(176, 141, 87, 0.05);
        color: var(--color-accent);
    }
    .sidebar-filter-group .filter-option.active {
        background-color: rgba(176, 141, 87, 0.1);
        color: var(--color-accent-dark);
        font-weight: 500;
    }
    .sidebar-filter-group .filter-option .filter-dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background-color: var(--color-border);
        flex-shrink: 0;
    }
    .sidebar-help {
        margin-top: 20px;
        padding-top: 18px;
        border-top: 1px solid var(--color-border);
    }
    .sidebar-help p {
        font-size: 13px;
        color: var(--color-text-light);
        line-height: 1.7;
        margin-bottom: 12px;
    }

    /* Pagination */
    .pagination {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        margin-top: 40px;
    }
    .pagination a,
    .pagination span {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 40px;
        height: 40px;
        padding: 0 10px;
        border-radius: 6px;
        font-size: 14px;
        font-weight: 500;
        color: var(--color-text-muted);
        border: 1px solid var(--color-border);
        transition: all var(--transition-base);
    }
    .pagination a:hover {
        border-color: var(--color-accent);
        color: var(--color-accent);
    }
    .pagination .current {
        background-color: var(--color-accent);
        color: #fff;
        border-color: var(--color-accent);
    }
    .pagination .page-dot {
        border: none;
        color: var(--color-text-light);
    }

    /* FAQ */
    .faq-section {
        padding: 72px 0;
        background-color: var(--color-card);
        border-top: 1px solid var(--color-border);
        border-bottom: 1px solid var(--color-border);
    }
    .faq-accordion {
        display: flex;
        flex-direction: column;
        gap: 12px;
        margin-top: 28px;
    }
    .faq-item {
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        background-color: var(--color-white);
        overflow: hidden;
        transition: all var(--transition-base);
    }
    .faq-item:hover {
        border-color: var(--color-accent);
    }
    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        width: 100%;
        padding: 18px 24px;
        background: none;
        border: none;
        cursor: pointer;
        text-align: left;
        font-size: 17px;
        font-weight: 600;
        color: var(--color-primary);
        transition: color var(--transition-base);
    }
    .faq-question:hover {
        color: var(--color-accent);
    }
    .faq-question .faq-icon {
        flex-shrink: 0;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        border: 1px solid var(--color-border);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 13px;
        color: var(--color-accent);
        transition: transform var(--transition-base);
    }
    .faq-item.active .faq-question .faq-icon {
        transform: rotate(45deg);
        background-color: var(--color-accent);
        color: #fff;
        border-color: var(--color-accent);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 280ms ease, padding 280ms ease;
        padding: 0 24px;
    }
    .faq-item.active .faq-answer {
        max-height: 300px;
        padding: 0 24px 20px;
    }
    .faq-answer p {
        font-size: 15px;
        color: var(--color-text-muted);
        line-height: 1.75;
        background-color: var(--color-bg);
        border-radius: 8px;
        padding: 14px 18px;
        margin: 0;
    }

    /* CTA Section */
    .cta-section {
        padding: 80px 0;
        background-color: transparent;
    }
    .cta-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        align-items: start;
    }
    .cta-info h2 {
        font-size: 30px;
        font-weight: 700;
        color: var(--color-primary);
        font-family: var(--font-display);
        letter-spacing: -0.5px;
        margin-bottom: 14px;
    }
    .cta-info p {
        font-size: 16px;
        color: var(--color-text-muted);
        line-height: 1.8;
        margin-bottom: 20px;
    }
    .cta-contact-item {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 10px;
        font-size: 15px;
        color: var(--color-text);
    }
    .cta-contact-item i {
        width: 20px;
        color: var(--color-accent);
        text-align: center;
    }
    .cta-contact-item .rt {
        color: var(--color-text-light);
        font-size: 13px;
    }
    .cta-form {
        background: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: 32px 30px;
    }
    .cta-form .form-label {
        display: block;
        font-size: 13px;
        color: var(--color-text);
        font-weight: 600;
        margin-bottom: 6px;
    }
    .cta-form .form-label .required {
        color: var(--color-accent);
        margin-left: 2px;
    }
    .cta-form input,
    .cta-form textarea,
    .cta-form select {
        width: 100%;
        background: var(--color-white);
        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-base), box-shadow var(--transition-base);
        margin-bottom: 16px;
    }
    .cta-form input:focus,
    .cta-form textarea:focus,
    .cta-form select:focus {
        outline: none;
        border-color: var(--color-accent);
        box-shadow: 0 0 0 3px rgba(176, 141, 87, 0.15);
    }
    .cta-form textarea {
        min-height: 100px;
        resize: vertical;
    }
    .cta-form .btn {
        width: 100%;
        margin-top: 4px;
    }

    /* Footer */
    .site-footer {
        background-color: var(--color-primary);
        padding: 56px 0 0;
        color: var(--color-footer-text);
    }
    .site-footer .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1fr;
        gap: 40px;
        padding-bottom: 40px;
    }
    .site-footer .footer-brand .brand-logo {
        color: #fff;
        margin-bottom: 14px;
        font-size: 22px;
    }
    .site-footer .footer-brand p {
        font-size: 14px;
        color: var(--color-footer-text);
        line-height: 1.7;
        margin-bottom: 10px;
    }
    .site-footer .footer-domain {
        font-size: 13px;
        color: var(--color-footer-hover);
        letter-spacing: 0.5px;
    }
    .site-footer h4 {
        font-size: 15px;
        font-weight: 600;
        color: #fff;
        margin-bottom: 16px;
        letter-spacing: 0.5px;
    }
    .site-footer ul {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .site-footer ul li a,
    .site-footer ul li span {
        font-size: 14px;
        color: var(--color-footer-text);
        transition: color 160ms ease;
    }
    .site-footer ul li a:hover {
        color: #fff;
    }
    .site-footer .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        padding: 20px 0 24px;
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 16px;
        font-size: 13px;
        color: var(--color-footer-text);
    }
    .site-footer .footer-bottom .footer-links {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        margin-left: auto;
    }
    .site-footer .footer-bottom .footer-links a {
        color: var(--color-footer-text);
        font-size: 13px;
        transition: color 160ms ease;
    }
    .site-footer .footer-bottom .footer-links a:hover {
        color: var(--color-footer-hover);
    }

    /* Responsive */
    @media (max-width: 1024px) {
        .strategy-core-grid {
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .strategy-core-card {
            padding: 26px 22px;
        }
        .data-stats .stats-grid {
            gap: 20px;
        }
        .data-stats .stat-number {
            font-size: 44px;
        }
        .list-layout {
            grid-template-columns: 1fr 220px;
            gap: 24px;
        }
        .process-item {
            grid-template-columns: 60px 1fr 1.2fr;
            gap: 20px;
        }
    }
    @media (max-width: 768px) {
        .site-header .container {
            height: 60px;
        }
        .mobile-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .main-nav {
            position: absolute;
            top: 60px;
            left: 0;
            right: 0;
            background-color: rgba(245, 243, 238, 0.98);
            flex-direction: column;
            align-items: flex-start;
            gap: 0;
            padding: 16px 28px 24px;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 8px 28px rgba(25, 25, 23, 0.08);
            display: none;
        }
        .main-nav.open {
            display: flex;
        }
        .main-nav li {
            width: 100%;
            padding: 10px 0;
        }
        .main-nav a {
            font-size: 16px;
            width: 100%;
        }
        .main-nav a::after {
            display: none;
        }
        .nav-cta {
            padding-top: 12px;
            width: 100%;
        }
        .nav-cta .btn {
            width: 100%;
            justify-content: center;
        }
        .category-hero h1 {
            font-size: 30px;
        }
        .strategy-core-grid {
            grid-template-columns: 1fr;
            gap: 18px;
        }
        .flow-card {
            grid-template-columns: 1fr;
        }
        .flow-card-img {
            min-height: 180px;
            max-height: 220px;
        }
        .flow-card-body {
            padding: 22px 24px;
        }
        .data-stats .stats-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .data-stats .stat-number {
            font-size: 40px;
        }
        .process-item {
            grid-template-columns: 1fr;
            gap: 12px;
            padding: 24px 0;
        }
        .process-item:hover {
            padding-left: 0;
        }
        .list-layout {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .list-sidebar {
            position: static;
            order: 2;
        }
        .list-main {
            order: 1;
        }
        .cta-grid {
            grid-template-columns: 1fr;
            gap: 32px;
        }
        .site-footer .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .site-footer .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
            gap: 10px;
        }
        .site-footer .footer-bottom .footer-links {
            margin-left: 0;
        }
        .section {
            padding: var(--section-spacing-mobile) 0;
        }
        .strategy-core,
        .cards-flow,
        .strategy-process,
        .faq-section,
        .cta-section {
            padding: 52px 0;
        }
        .category-hero {
            padding: 36px 0 32px;
        }
        .cards-flow-header h2 {
            font-size: 26px;
        }
    }
    @media (max-width: 480px) {
        .container {
            padding: 0 18px;
        }
        .brand-logo {
            font-size: 20px;
        }
        .logo-mark {
            width: 32px;
            height: 32px;
            font-size: 17px;
            border-radius: 8px;
        }
        .category-hero h1 {
            font-size: 26px;
        }
        .category-hero .hero-desc {
            font-size: 15px;
        }
        .btn {
            padding: 11px 20px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 14px 24px;
            font-size: 16px;
        }
        .strategy-core-card h3 {
            font-size: 19px;
        }
        .flow-card-body h3 {
            font-size: 19px;
        }
        .flow-card-body {
            padding: 18px 20px;
        }
        .data-stats .stats-grid {
            gap: 20px;
        }
        .data-stats .stat-number {
            font-size: 34px;
        }
        .data-stats .stat-label {
            font-size: 12px;
        }
        .process-item h3 {
            font-size: 19px;
        }
        .faq-question {
            font-size: 15px;
            padding: 15px 18px;
        }
        .faq-answer {
            padding: 0 18px;
        }
        .faq-item.active .faq-answer {
            padding: 0 18px 16px;
        }
        .cta-form {
            padding: 24px 20px;
        }
        .site-footer .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .pagination a,
        .pagination span {
            min-width: 34px;
            height: 34px;
            font-size: 12px;
        }
    }

/* roulang page: category6 */
:root {
            --color-primary: #191917;
            --color-accent: #B08D57;
            --color-accent-dark: #8A6B3E;
            --color-secondary: #1F3D3A;
            --color-bg: #F5F3EE;
            --color-card: #FBF9F5;
            --color-white: #FFFFFF;
            --color-text: #3A3A38;
            --color-text-muted: #6E6D69;
            --color-text-light: #A09F99;
            --color-border: #E8E6E0;
            --color-footer-text: #A09F99;
            --color-footer-hover: #D4C29B;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-img: 10px;
            --radius-tag: 20px;
            --shadow-hover: 0 8px 28px rgba(25, 25, 23, 0.08);
            --shadow-soft: 0 2px 12px rgba(25, 25, 23, 0.04);
            --transition-base: 200ms ease;
            --transition-card: 220ms ease;
            --font-display: "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun", serif;
            --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --container-max: 1200px;
            --section-spacing: 100px;
            --section-spacing-mobile: 60px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color 160ms ease, border-color 160ms ease, background-color 200ms ease;
        }
        a:hover {
            color: var(--color-accent);
        }
        button, input, textarea, select {
            font-family: var(--font-sans);
            font-size: 15px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 28px;
        }
        .section {
            padding: var(--section-spacing) 0;
        }
        .section-dark {
            background-color: var(--color-primary);
            color: #fff;
        }
        .section-dark h2, .section-dark h3, .section-dark p {
            color: #fff;
        }
        .section-dark .section-subtitle {
            color: var(--color-footer-text);
        }
        .section-subtitle {
            color: var(--color-text-muted);
            font-size: 16px;
            line-height: 1.75;
            max-width: 680px;
            margin-top: 14px;
        }
        .section-heading {
            margin-bottom: 40px;
        }
        .section-heading-center {
            text-align: center;
        }
        .section-heading-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            cursor: pointer;
            border: none;
            transition: all var(--transition-base);
            text-align: center;
            white-space: nowrap;
        }
        .btn:focus-visible {
            outline: 2px solid rgba(176, 141, 87, 0.3);
            outline-offset: 2px;
        }
        .btn:active {
            transform: translateY(1px);
        }
        .btn-primary {
            background-color: var(--color-accent);
            color: #fff;
        }
        .btn-primary:hover {
            background-color: var(--color-secondary);
            color: #fff;
        }
        .btn-outline {
            background-color: transparent;
            border: 1px solid var(--color-accent);
            color: var(--color-accent);
        }
        .btn-outline:hover {
            background-color: rgba(176, 141, 87, 0.05);
            color: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
        }
        .btn-lg {
            padding: 16px 32px;
            font-size: 18px;
            border-radius: var(--radius-btn);
        }
        .btn-sm {
            padding: 9px 18px;
            font-size: 13px;
            border-radius: 6px;
        }
        .tag {
            display: inline-block;
            padding: 4px 14px;
            font-size: 12px;
            font-weight: 500;
            border-radius: var(--radius-tag);
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            color: var(--color-text-muted);
            letter-spacing: 0.3px;
        }
        .tag-accent {
            background-color: rgba(176, 141, 87, 0.1);
            border-color: rgba(176, 141, 87, 0.3);
            color: var(--color-accent-dark);
        }
        .tag-secondary {
            background-color: rgba(31, 61, 58, 0.08);
            border-color: rgba(31, 61, 58, 0.2);
            color: var(--color-secondary);
        }
        .card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px;
            transition: all var(--transition-card);
        }
        .card:hover {
            background-color: var(--color-white);
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .card-img-top {
            border-radius: var(--radius-img);
            overflow: hidden;
            position: relative;
        }
        .card-img-top img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            transition: transform 220ms ease;
        }
        .card:hover .card-img-top img {
            transform: scale(1.02);
        }

        /* 导航样式 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(245, 243, 238, 0.96);
            backdrop-filter: saturate(180%) blur(10px);
            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: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            font-family: var(--font-display);
            color: var(--color-primary);
            letter-spacing: -0.5px;
        }
        .brand-logo:hover {
            color: var(--color-accent);
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background-color: var(--color-accent);
            color: #fff;
            border-radius: 8px;
            font-size: 20px;
            font-weight: 700;
            font-family: var(--font-sans);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav li {
            margin: 0;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-primary);
            padding-bottom: 6px;
            border-bottom: 2px solid transparent;
            transition: color 160ms ease, border-color 160ms ease;
        }
        .main-nav a:hover {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
        }
        .main-nav a.active {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
            font-weight: 600;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--color-primary);
            cursor: pointer;
            padding: 4px 8px;
        }
        .nav-cta .btn-sm {
            margin-left: 4px;
        }

        /* 面包屑 */
        .breadcrumb-nav {
            background: var(--color-bg);
            border-bottom: 1px solid var(--color-border);
            padding: 12px 0;
        }
        .breadcrumb-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--color-text-light);
        }
        .breadcrumb-list li {
            display: inline-flex;
            align-items: center;
        }
        .breadcrumb-list a {
            color: var(--color-text-light);
            transition: color 160ms ease;
        }
        .breadcrumb-list a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-list .separator {
            color: var(--color-text-light);
            opacity: 0.6;
        }
        .breadcrumb-list .current {
            color: var(--color-primary);
            font-weight: 600;
            cursor: default;
        }

        /* 分类标题区 */
        .category-hero {
            padding: 64px 0 48px;
            background: var(--color-bg);
        }
        .category-hero h1 {
            font-family: var(--font-display);
            font-size: 48px;
            font-weight: 700;
            line-height: 1.22;
            letter-spacing: -0.5px;
            color: var(--color-primary);
            margin-bottom: 18px;
            max-width: 780px;
        }
        .category-hero .subtitle {
            font-size: 18px;
            color: var(--color-text-muted);
            line-height: 1.75;
            max-width: 720px;
        }

        /* 杂志流布局 */
        .magazine-section {
            padding: 24px 0 80px;
        }
        .featured-article {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            margin-bottom: 40px;
            transition: all var(--transition-card);
        }
        .featured-article:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            background: var(--color-white);
        }
        .featured-article .article-img {
            position: relative;
            overflow: hidden;
            min-height: 360px;
        }
        .featured-article .article-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 220ms ease;
        }
        .featured-article:hover .article-img img {
            transform: scale(1.02);
        }
        .featured-article .article-body {
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-article .article-body .tag {
            align-self: flex-start;
            margin-bottom: 16px;
        }
        .featured-article .article-body h2 {
            font-family: var(--font-display);
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-primary);
            margin-bottom: 14px;
        }
        .featured-article .article-body p {
            color: var(--color-text-muted);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--color-text-light);
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .magazine-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 32px;
        }
        .magazine-main {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .magazine-side {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .mag-piece {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-card);
        }
        .mag-piece:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            background: var(--color-white);
        }
        .mag-piece .piece-img {
            height: 200px;
            overflow: hidden;
        }
        .mag-piece .piece-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 220ms ease;
        }
        .mag-piece:hover .piece-img img {
            transform: scale(1.02);
        }
        .mag-piece .piece-body {
            padding: 24px;
        }
        .mag-piece .piece-body h3 {
            font-size: 20px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-primary);
            margin-bottom: 10px;
        }
        .mag-piece .piece-body p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.75;
            margin-bottom: 14px;
        }
        .mag-side .list-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 22px 24px;
            transition: all var(--transition-card);
            position: relative;
        }
        .mag-side .list-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-soft);
            background: var(--color-white);
            transform: translateX(4px);
        }
        .mag-side .list-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--color-accent);
            border-radius: 0 3px 3px 0;
            opacity: 0;
            transition: opacity 200ms ease;
        }
        .mag-side .list-item:hover::before {
            opacity: 1;
        }
        .mag-side .list-item h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .mag-side .list-item p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 10px;
        }

        /* 专家团队区 */
        .expert-strip {
            background: var(--color-primary);
            padding: 72px 0;
            margin: 40px 0 0;
        }
        .expert-strip .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .expert-strip h2 {
            font-family: var(--font-display);
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .expert-strip p {
            color: var(--color-footer-text);
            font-size: 16px;
            line-height: 1.8;
        }
        .expert-strip .stats-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .expert-strip .stat-item {
            border-left: 2px solid var(--color-accent);
            padding-left: 20px;
        }
        .expert-strip .stat-item .stat-number {
            font-size: 44px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            font-family: var(--font-sans);
        }
        .expert-strip .stat-item .stat-label {
            font-size: 14px;
            color: var(--color-footer-text);
            margin-top: 6px;
        }

        /* CTA */
        .cta-section {
            background: var(--color-bg);
            padding: 80px 0;
        }
        .cta-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }
        .cta-left h2 {
            font-family: var(--font-display);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .cta-left p {
            color: var(--color-text-muted);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .cta-form label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
            display: block;
        }
        .cta-form input, .cta-form textarea {
            width: 100%;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            font-size: 15px;
            color: var(--color-text);
            transition: border-color 200ms ease, box-shadow 200ms ease;
            margin-bottom: 18px;
        }
        .cta-form input:focus, .cta-form textarea:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(176, 141, 87, 0.15);
        }
        .cta-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .cta-right {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 32px;
        }
        .cta-right h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .cta-right ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .cta-right ul li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text-muted);
            font-size: 15px;
        }
        .cta-right ul li:last-child {
            border-bottom: none;
        }
        .cta-right ul li i {
            color: var(--color-accent);
            font-size: 16px;
            margin-top: 3px;
        }

        /* 页脚 */
        .site-footer {
            background: var(--color-primary);
            padding: 64px 0 24px;
            color: var(--color-footer-text);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .brand-logo {
            font-size: 24px;
            color: #fff;
            margin-bottom: 16px;
            display: inline-flex;
        }
        .footer-brand .brand-logo:hover {
            color: var(--color-footer-hover);
        }
        .footer-brand p {
            color: var(--color-footer-text);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 12px;
        }
        .footer-domain {
            color: var(--color-footer-text);
            font-size: 13px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a, .footer-col ul li span {
            color: var(--color-footer-text);
            font-size: 14px;
            transition: color 160ms ease;
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: var(--color-footer-text);
        }
        .footer-bottom .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-bottom .footer-links a {
            color: var(--color-footer-text);
            font-size: 13px;
            transition: color 160ms ease;
        }
        .footer-bottom .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom .footer-links span {
            color: rgba(255, 255, 255, 0.3);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .category-hero h1 {
                font-size: 38px;
            }
            .featured-article {
                grid-template-columns: 1fr;
            }
            .featured-article .article-img {
                min-height: 280px;
            }
            .magazine-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .expert-strip .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-wrapper {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .site-header {
                height: 64px;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--color-bg);
                flex-direction: column;
                padding: 20px 28px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-soft);
                gap: 12px;
                align-items: stretch;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                display: block;
                padding: 10px 0;
                font-size: 16px;
                border-bottom: 1px solid var(--color-border);
            }
            .main-nav .nav-cta {
                margin-top: 8px;
            }
            .mobile-toggle {
                display: inline-flex;
            }
            .category-hero h1 {
                font-size: 30px;
                letter-spacing: -0.3px;
            }
            .category-hero .subtitle {
                font-size: 16px;
            }
            .featured-article .article-body {
                padding: 24px;
            }
            .featured-article .article-body h2 {
                font-size: 22px;
            }
            .expert-strip .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .expert-strip .stat-item .stat-number {
                font-size: 32px;
            }
            .section {
                padding: var(--section-spacing-mobile) 0;
            }
            .magazine-section {
                padding: 16px 0 60px;
            }
            .cta-section {
                padding: 60px 0;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .featured-article .article-img {
                min-height: 200px;
            }
            .featured-article .article-body h2 {
                font-size: 20px;
            }
            .mag-piece .piece-body {
                padding: 18px;
            }
            .mag-piece .piece-body h3 {
                font-size: 18px;
            }
            .mag-side .list-item {
                padding: 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .btn-lg {
                padding: 14px 24px;
                font-size: 16px;
                width: 100%;
            }
            .cta-right {
                padding: 24px;
            }
            .expert-strip .stats-row {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 360px) {
            .brand-logo {
                font-size: 18px;
                gap: 6px;
            }
            .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
        }

/* roulang page: category5 */
:root {
      --color-primary: #191917;
      --color-accent: #B08D57;
      --color-accent-dark: #8A6B3E;
      --color-secondary: #1F3D3A;
      --color-bg: #F5F3EE;
      --color-card: #FBF9F5;
      --color-white: #FFFFFF;
      --color-text: #3A3A38;
      --color-text-muted: #6E6D69;
      --color-text-light: #A09F99;
      --color-border: #E8E6E0;
      --color-footer-text: #A09F99;
      --color-footer-hover: #D4C29B;
      --radius-card: 12px;
      --radius-btn: 8px;
      --radius-img: 10px;
      --radius-tag: 20px;
      --shadow-hover: 0 8px 28px rgba(25, 25, 23, 0.08);
      --shadow-soft: 0 2px 12px rgba(25, 25, 23, 0.04);
      --transition-base: 200ms ease;
      --transition-card: 220ms ease;
      --font-display: "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun", serif;
      --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
      --container-max: 1200px;
      --section-spacing: 100px;
      --section-spacing-mobile: 60px;
    }
    * {
      box-sizing: border-box;
    }
    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }
    body {
      font-family: var(--font-sans);
      background-color: var(--color-bg);
      color: var(--color-text);
      line-height: 1.8;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      overflow-x: hidden;
      margin: 0;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    a {
      color: var(--color-primary);
      text-decoration: none;
      transition: color 160ms ease, border-color 160ms ease, background-color 200ms ease;
    }
    a:hover {
      color: var(--color-accent);
    }
    button, input, textarea, select {
      font-family: var(--font-sans);
      font-size: 15px;
    }
    h1, h2, h3, h4, h5, h6 {
      font-family: var(--font-display);
      color: var(--color-primary);
      font-weight: 700;
      line-height: 1.25;
      margin: 0 0 16px;
    }
    .container {
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 28px;
    }
    .section {
      padding: var(--section-spacing) 0;
    }
    .section-dark {
      background-color: var(--color-primary);
      color: #fff;
    }
    .section-dark h2,
    .section-dark h3,
    .section-dark p {
      color: #fff;
    }
    .section-dark .section-subtitle {
      color: var(--color-footer-text);
    }
    .section-subtitle {
      color: var(--color-text-muted);
      font-size: 16px;
      line-height: 1.75;
      max-width: 680px;
      margin-top: 14px;
    }
    .section-heading {
      margin-bottom: 40px;
    }
    .section-heading-center {
      text-align: center;
    }
    .section-heading-center .section-subtitle {
      margin-left: auto;
      margin-right: auto;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 13px 28px;
      border-radius: var(--radius-btn);
      font-size: 15px;
      font-weight: 600;
      line-height: 1.2;
      cursor: pointer;
      border: none;
      transition: all var(--transition-base);
      text-align: center;
      white-space: nowrap;
    }
    .btn:focus-visible,
    .btn:focus {
      outline: 2px solid rgba(176, 141, 87, 0.3);
      outline-offset: 2px;
    }
    .btn:active {
      transform: translateY(1px);
    }
    .btn-primary {
      background-color: var(--color-accent);
      color: #fff;
    }
    .btn-primary:hover {
      background-color: var(--color-secondary);
      color: #fff;
      text-decoration: none;
    }
    .btn-outline {
      background-color: transparent;
      border: 1px solid var(--color-accent);
      color: var(--color-accent);
    }
    .btn-outline:hover {
      background-color: rgba(176, 141, 87, 0.05);
      color: var(--color-accent-dark);
      border-color: var(--color-accent-dark);
      text-decoration: none;
    }
    .btn-lg {
      padding: 16px 32px;
      font-size: 18px;
      border-radius: var(--radius-btn);
    }
    .btn-sm {
      padding: 9px 18px;
      font-size: 13px;
      border-radius: 6px;
    }
    .tag {
      display: inline-block;
      padding: 4px 14px;
      font-size: 12px;
      font-weight: 500;
      border-radius: var(--radius-tag);
      background-color: var(--color-card);
      border: 1px solid var(--color-border);
      color: var(--color-text-muted);
      letter-spacing: 0.3px;
    }
    .tag-accent {
      background-color: rgba(176, 141, 87, 0.1);
      border-color: rgba(176, 141, 87, 0.3);
      color: var(--color-accent-dark);
    }
    .tag-secondary {
      background-color: rgba(31, 61, 58, 0.08);
      border-color: rgba(31, 61, 58, 0.2);
      color: var(--color-secondary);
    }
    .card {
      background-color: var(--color-card);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-card);
      padding: 28px;
      transition: all var(--transition-card);
    }
    .card:hover {
      background-color: var(--color-white);
      border-color: var(--color-accent);
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    .card-img-top {
      border-radius: var(--radius-img);
      overflow: hidden;
      position: relative;
    }
    .card-img-top img {
      width: 100%;
      height: 220px;
      object-fit: cover;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(245, 243, 238, 0.92);
      backdrop-filter: saturate(180%) blur(10px);
      -webkit-backdrop-filter: saturate(180%) blur(10px);
      border-bottom: 1px solid var(--color-border);
    }
    .site-header .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 70px;
      padding-top: 8px;
      padding-bottom: 8px;
    }
    .brand-logo {
      font-family: var(--font-display);
      font-size: 24px;
      font-weight: 800;
      color: var(--color-primary);
      display: flex;
      align-items: center;
      gap: 8px;
      letter-spacing: -0.3px;
    }
    .brand-logo .logo-mark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 34px;
      height: 34px;
      background-color: var(--color-accent);
      color: #fff;
      border-radius: 8px;
      font-size: 16px;
      font-weight: 700;
      font-family: var(--font-sans);
    }
    .brand-logo:hover {
      color: var(--color-primary);
      text-decoration: none;
    }
    .main-nav {
      display: flex;
      align-items: center;
      gap: 26px;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .main-nav li a {
      position: relative;
      display: inline-block;
      padding: 6px 0;
      font-size: 15px;
      font-weight: 500;
      color: var(--color-primary);
      transition: color 160ms ease;
    }
    .main-nav li a:hover {
      color: var(--color-accent);
      text-decoration: none;
    }
    .main-nav li a.active {
      color: var(--color-accent);
      font-weight: 600;
    }
    .main-nav li a.active::after {
      content: "";
      display: block;
      position: absolute;
      left: 0;
      right: 0;
      bottom: -2px;
      height: 2px;
      background-color: var(--color-accent);
    }
    .nav-cta .btn {
      margin-left: 8px;
    }
    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 22px;
      color: var(--color-primary);
      cursor: pointer;
      padding: 4px 8px;
    }
    .breadcrumb-row {
      background-color: var(--color-bg);
      border-bottom: 1px solid var(--color-border);
      padding: 12px 0;
    }
    .breadcrumb-row .container {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 6px;
      font-size: 13px;
    }
    .breadcrumb-row a {
      color: var(--color-text-light);
      transition: color 160ms ease;
    }
    .breadcrumb-row a:hover {
      color: var(--color-accent);
      text-decoration: none;
    }
    .breadcrumb-row .separator {
      color: var(--color-text-light);
      margin: 0 4px;
    }
    .breadcrumb-row .current {
      color: var(--color-primary);
      font-weight: 600;
      pointer-events: none;
    }
    .site-footer {
      background-color: var(--color-primary);
      color: var(--color-footer-text);
      padding-top: 64px;
      padding-bottom: 0;
    }
    .site-footer .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      padding-bottom: 40px;
    }
    .site-footer h4 {
      color: #fff;
      font-family: var(--font-sans);
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }
    .site-footer ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .site-footer ul li {
      margin-bottom: 10px;
    }
    .site-footer ul li a,
    .site-footer ul li span {
      color: var(--color-footer-text);
      font-size: 14px;
      transition: color 160ms ease;
    }
    .site-footer ul li a:hover {
      color: #fff;
      text-decoration: none;
    }
    .site-footer .brand-logo {
      color: #fff;
      font-size: 22px;
      margin-bottom: 12px;
    }
    .site-footer .brand-logo:hover {
      color: #fff;
    }
    .site-footer .brand-logo .logo-mark {
      width: 30px;
      height: 30px;
      font-size: 14px;
      border-radius: 7px;
    }
    .site-footer .footer-brand p {
      color: var(--color-footer-text);
      font-size: 14px;
      line-height: 1.7;
      margin-bottom: 12px;
      max-width: 260px;
    }
    .footer-domain {
      display: block;
      font-size: 13px;
      color: #6E6D69;
      letter-spacing: 0.3px;
      margin-top: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(160, 159, 153, 0.25);
      padding: 18px 0 22px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 8px 16px;
      font-size: 13px;
      color: #6E6D69;
    }
    .footer-bottom span {
      font-size: 13px;
    }
    .footer-bottom .footer-links {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 13px;
    }
    .footer-bottom .footer-links a {
      color: #A09F99;
      transition: color 160ms ease;
    }
    .footer-bottom .footer-links a:hover {
      color: #fff;
      text-decoration: none;
    }
    .footer-bottom .footer-links span {
      color: #6E6D69;
    }
    /* Page Specific - Tool Resources Category Page Styles */
    .cat-hero {
      padding: 36px 0 28px;
      position: relative;
      overflow: hidden;
    }
    .cat-hero::before {
      content: "";
      position: absolute;
      top: -60px;
      right: -80px;
      width: 300px;
      height: 300px;
      border: 1px solid rgba(176, 141, 87, 0.25);
      border-radius: 50%;
      pointer-events: none;
    }
    .cat-hero::after {
      content: "";
      position: absolute;
      bottom: -40px;
      right: 100px;
      width: 140px;
      height: 140px;
      border: 1px solid rgba(31, 61, 58, 0.18);
      border-radius: 50%;
      pointer-events: none;
    }
    .cat-hero .container {
      position: relative;
      z-index: 1;
    }
    .cat-hero h1 {
      font-size: 42px;
      font-weight: 800;
      letter-spacing: -0.5px;
      line-height: 1.2;
      margin-bottom: 14px;
      max-width: 680px;
    }
    .cat-hero .lead {
      font-size: 17px;
      line-height: 1.8;
      color: var(--color-text-muted);
      max-width: 720px;
      margin-bottom: 20px;
    }
    .tool-list-section {
      padding: 50px 0 80px;
    }
    .tool-list-wrap {
      max-width: 920px;
    }
    .tool-list-item {
      display: flex;
      align-items: flex-start;
      gap: 20px;
      padding: 24px 0;
      border-bottom: 1px solid var(--color-border);
      transition: all 200ms ease;
      position: relative;
      cursor: pointer;
    }
    .tool-list-item:first-of-type {
      border-top: 1px solid var(--color-border);
    }
    .tool-list-item:hover {
      padding-left: 12px;
    }
    .tool-list-item:hover::before {
      content: "";
      position: absolute;
      left: 0;
      top: 20px;
      bottom: 20px;
      width: 3px;
      border-radius: 2px;
      background-color: var(--color-accent);
    }
    .tool-thumb {
      flex: 0 0 80px;
      height: 80px;
      border-radius: 8px;
      overflow: hidden;
      background-color: var(--color-card);
      border: 1px solid var(--color-border);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 28px;
      color: var(--color-accent);
    }
    .tool-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .tool-main {
      flex: 1;
      min-width: 0;
    }
    .tool-main h3 {
      font-family: var(--font-sans);
      font-size: 19px;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--color-primary);
      transition: color 160ms ease;
    }
    .tool-list-item:hover .tool-main h3 {
      color: var(--color-accent);
    }
    .tool-main p {
      font-size: 15px;
      line-height: 1.7;
      color: var(--color-text-muted);
      margin-bottom: 10px;
      max-width: 680px;
    }
    .tool-meta {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
      font-size: 13px;
      color: var(--color-text-light);
    }
    .tool-meta .dot {
      width: 4px;
      height: 4px;
      border-radius: 50%;
      background-color: var(--color-text-light);
      display: inline-block;
    }
    .tool-meta .data-point {
      font-weight: 500;
      color: var(--color-accent-dark);
    }
    .filter-bar {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      padding: 18px 0;
      margin-bottom: 20px;
      border-bottom: 1px solid var(--color-border);
    }
    .filter-bar .filter-label {
      font-size: 14px;
      font-weight: 500;
      color: var(--color-text-muted);
      margin-right: 4px;
    }
    .filter-btn {
      padding: 7px 16px;
      font-size: 13px;
      font-weight: 500;
      background-color: transparent;
      border: 1px solid var(--color-border);
      border-radius: 20px;
      color: var(--color-text-muted);
      cursor: pointer;
      transition: all 160ms ease;
    }
    .filter-btn:hover,
    .filter-btn.active {
      background-color: var(--color-accent);
      color: #fff;
      border-color: var(--color-accent);
    }
    .stats-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      padding: 40px 0 10px;
    }
    .stat-block {
      text-align: left;
      padding: 20px 0;
      border-top: 2px solid var(--color-accent);
    }
    .stat-block .stat-number {
      font-size: 48px;
      font-weight: 700;
      font-family: var(--font-sans);
      color: var(--color-secondary);
      letter-spacing: -1px;
      line-height: 1.1;
      margin-bottom: 6px;
    }
    .stat-block .stat-label {
      font-size: 14px;
      color: var(--color-text-muted);
      font-weight: 500;
    }
    .flow-section {
      padding: 70px 0 90px;
    }
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      margin-top: 36px;
    }
    .flow-step {
      position: relative;
      padding-top: 28px;
      border-top: 2px solid var(--color-border);
    }
    .flow-step .step-num {
      position: absolute;
      top: -14px;
      left: 0;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background-color: var(--color-accent);
      color: #fff;
      font-size: 14px;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--font-sans);
    }
    .flow-step h3 {
      font-family: var(--font-sans);
      font-size: 17px;
      font-weight: 600;
      margin-bottom: 8px;
      color: var(--color-primary);
    }
    .flow-step p {
      font-size: 14px;
      line-height: 1.7;
      color: var(--color-text-muted);
      margin: 0;
    }
    .reviews-section {
      padding: 70px 0 80px;
    }
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 32px;
    }
    .review-card {
      background-color: var(--color-card);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-card);
      padding: 22px 24px;
      transition: all 200ms ease;
    }
    .review-card:hover {
      background-color: var(--color-white);
      border-color: var(--color-accent);
      box-shadow: var(--shadow-soft);
    }
    .review-card .review-text {
      font-size: 14px;
      line-height: 1.75;
      color: var(--color-text);
      margin-bottom: 14px;
    }
    .review-card .reviewer {
      font-size: 13px;
      color: var(--color-text-light);
      font-style: normal;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .review-card .reviewer i {
      color: var(--color-accent);
    }
    .faq-section {
      padding: 70px 0 90px;
    }
    .faq-list {
      max-width: 840px;
      margin-top: 32px;
    }
    .faq-item {
      border: 1px solid var(--color-border);
      border-radius: var(--radius-card);
      margin-bottom: 16px;
      background-color: var(--color-card);
      overflow: hidden;
      transition: all 200ms ease;
    }
    .faq-question {
      width: 100%;
      background: none;
      border: none;
      padding: 18px 22px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      cursor: pointer;
      font-family: var(--font-sans);
      font-size: 16px;
      font-weight: 600;
      color: var(--color-primary);
      text-align: left;
      transition: color 160ms ease;
    }
    .faq-question:hover {
      color: var(--color-accent);
    }
    .faq-question .faq-icon {
      flex-shrink: 0;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      border: 1px solid var(--color-border);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 13px;
      color: var(--color-text-muted);
      transition: all 200ms ease;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 300ms ease;
      padding: 0 22px;
    }
    .faq-answer p {
      padding: 0 0 18px;
      font-size: 15px;
      line-height: 1.8;
      color: var(--color-text-muted);
      margin: 0;
    }
    .faq-item.open .faq-answer {
      max-height: 300px;
    }
    .faq-item.open .faq-question .faq-icon {
      background-color: var(--color-accent);
      border-color: var(--color-accent);
      color: #fff;
    }
    .cta-section {
      padding: 80px 0 90px;
    }
    .cta-panel {
      background-color: var(--color-primary);
      border-radius: var(--radius-card);
      padding: 48px 56px;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
      position: relative;
      overflow: hidden;
    }
    .cta-panel::before {
      content: "";
      position: absolute;
      bottom: -60px;
      right: -40px;
      width: 220px;
      height: 220px;
      border: 1px solid rgba(176, 141, 87, 0.3);
      border-radius: 50%;
      pointer-events: none;
    }
    .cta-panel h2 {
      color: #fff;
      font-size: 28px;
      margin-bottom: 12px;
      font-weight: 700;
    }
    .cta-panel p {
      color: var(--color-footer-text);
      font-size: 15px;
      line-height: 1.8;
      margin-bottom: 24px;
      position: relative;
      z-index: 1;
    }
    .cta-panel .btn {
      position: relative;
      z-index: 1;
    }
    .cta-info {
      position: relative;
      z-index: 1;
    }
    .cta-info ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .cta-info ul li {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #A09F99;
      font-size: 14px;
      margin-bottom: 10px;
      line-height: 1.6;
    }
    .cta-info ul li i {
      color: var(--color-accent);
      flex-shrink: 0;
    }
    .section-compact {
      padding: 50px 0;
    }
    /* Responsive */
    @media (max-width: 1024px) {
      .main-nav {
        gap: 18px;
      }
      .footer-grid {
        grid-template-columns: 1.2fr 1fr 1fr;
        gap: 30px;
      }
      .footer-grid .footer-brand {
        grid-column: 1 / -1;
      }
      .cta-panel {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 36px 32px;
      }
      .stats-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
      }
      .flow-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
      }
      .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
      }
    }
    @media (max-width: 768px) {
      .site-header .container {
        flex-wrap: wrap;
      }
      .mobile-toggle {
        display: inline-flex;
      }
      .main-nav {
        display: none;
        flex-direction: column;
        width: 100%;
        gap: 0;
        padding: 12px 0 16px;
        background-color: rgba(245, 243, 238, 0.98);
      }
      .main-nav.show {
        display: flex;
      }
      .main-nav li {
        width: 100%;
      }
      .main-nav li a {
        display: block;
        padding: 10px 0;
        font-size: 16px;
      }
      .main-nav li a.active::after {
        display: none;
      }
      .nav-cta {
        margin-top: 6px;
      }
      .nav-cta .btn {
        margin-left: 0;
        width: 100%;
      }
      .cat-hero h1 {
        font-size: 30px;
        letter-spacing: -0.3px;
      }
      .cat-hero .lead {
        font-size: 15px;
      }
      .tool-list-item {
        gap: 14px;
        padding: 18px 0;
      }
      .tool-thumb {
        flex: 0 0 56px;
        height: 56px;
        font-size: 20px;
      }
      .tool-main h3 {
        font-size: 16px;
      }
      .tool-main p {
        font-size: 14px;
      }
      .filter-bar {
        gap: 8px;
        padding: 14px 0;
      }
      .filter-bar .filter-label {
        width: 100%;
        margin-bottom: 4px;
      }
      .stats-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        padding: 24px 0 10px;
      }
      .stat-block .stat-number {
        font-size: 34px;
      }
      .flow-steps {
        grid-template-columns: 1fr;
        gap: 28px;
      }
      .reviews-grid {
        grid-template-columns: 1fr;
        gap: 14px;
      }
      .cta-panel {
        padding: 28px 22px;
      }
      .cta-panel h2 {
        font-size: 22px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
        padding-bottom: 28px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }
      .footer-bottom .footer-links {
        flex-wrap: wrap;
      }
      .section {
        padding: var(--section-spacing-mobile) 0;
      }
    }
    @media (max-width: 480px) {
      body {
        font-size: 15px;
      }
      .container {
        padding: 0 18px;
      }
      .cat-hero h1 {
        font-size: 26px;
        letter-spacing: -0.2px;
      }
      .tool-thumb {
        flex: 0 0 48px;
        height: 48px;
        font-size: 18px;
        border-radius: 6px;
      }
      .tool-list-item {
        gap: 12px;
        padding: 14px 0;
      }
      .tool-main h3 {
        font-size: 15px;
      }
      .tool-meta {
        font-size: 12px;
        gap: 6px;
      }
      .filter-btn {
        padding: 6px 12px;
        font-size: 12px;
      }
      .stat-block .stat-number {
        font-size: 28px;
      }
      .stat-block .stat-label {
        font-size: 13px;
      }
      .faq-question {
        font-size: 15px;
        padding: 14px 16px;
      }
      .faq-answer {
        padding: 0 16px;
      }
      .faq-answer p {
        font-size: 14px;
      }
      .cta-panel h2 {
        font-size: 20px;
      }
      .cta-panel p {
        font-size: 14px;
      }
      .btn-lg {
        padding: 14px 24px;
        font-size: 16px;
      }
    }