/* roulang page: index */
:root {
            --mc-deep: #1F3A2E;
            --mc-deep-2: #2A4A3A;
            --gc-sand: #C5A878;
            --gc-light: #E8D9B5;
            --bg-warm: #F7F5F0;
            --text-main: #26342D;
            --text-aux: #6B7A72;
            --text-mute: #A2B0A8;
            --alert-red: #B15C4B;
            --alert-green: #4E7B5F;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'SimSun', sans-serif;
            --shadow-card: 0 4px 16px rgba(38, 52, 45, 0.08);
            --shadow-hover: 0 8px 24px rgba(38, 52, 45, 0.12);
            --border-warm: 1px solid #E8D9B5;
            --radius-card: 14px;
            --radius-img: 12px;
            --radius-btn: 999px;
            --transition: 0.25s ease;
            --container-max: 1200px;
            --padding-desktop: 32px;
            --padding-tablet: 24px;
            --padding-mobile: 16px;
            --section-pad: 80px;
            --section-pad-mobile: 52px;
            --gap-grid: 28px;
            --gap-grid-mobile: 18px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
        }

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

        a {
            color: var(--mc-deep);
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition), border-color var(--transition), opacity var(--transition);
        }

        a:hover {
            color: var(--gc-sand);
        }

        a:focus,
        button:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--gc-light);
            outline-offset: 2px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-sans);
            border: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 16px;
            border: 1px solid var(--text-mute);
            border-radius: 8px;
            padding: 12px 16px;
            background: #FFFFFF;
            color: var(--text-main);
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
        }

        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--mc-deep);
            box-shadow: 0 0 0 3px rgba(197, 168, 120, 0.25);
            outline: none;
        }

        textarea {
            resize: vertical;
            min-height: 120px;
        }

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

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--padding-desktop);
            padding-right: var(--padding-desktop);
        }

        /* ===== header / nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(247, 245, 240, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(232, 217, 181, 0.5);
            height: 76px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            flex-wrap: nowrap;
            gap: 16px;
        }
        .brand-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--mc-deep);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--mc-deep) 0%, var(--mc-deep-2) 60%, var(--gc-sand) 160%);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            margin-left: auto;
            margin-right: 20px;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 2px;
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gc-sand);
            transition: width var(--transition);
            border-radius: 2px;
        }
        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }
        .main-nav a.active {
            color: var(--mc-deep);
            font-weight: 600;
        }
        .nav-cta {
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            letter-spacing: 0.01em;
            white-space: nowrap;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--mc-deep);
            color: #FFFFFF;
            border: 2px solid var(--mc-deep);
        }
        .btn-primary:hover {
            background: var(--gc-sand);
            border-color: var(--gc-sand);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-card);
        }
        .btn-secondary {
            background: transparent;
            color: var(--mc-deep);
            border: 2px solid var(--mc-deep);
        }
        .btn-secondary:hover {
            background: var(--gc-light);
            border-color: var(--gc-sand);
            color: var(--mc-deep);
            transform: translateY(-1px);
        }
        .btn-secondary:active {
            transform: translateY(0);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 44px;
            height: 44px;
            gap: 6px;
            background: transparent;
            border-radius: 10px;
            border: 1px solid var(--gc-light);
            transition: background-color var(--transition);
            flex-shrink: 0;
        }
        .hamburger:hover {
            background: var(--gc-light);
        }
        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--mc-deep);
            border-radius: 2px;
            transition: all var(--transition);
        }

        /* ===== main & section ===== */
        main {
            display: block;
        }
        .section {
            padding: var(--section-pad) 0;
            position: relative;
        }
        .section-alt {
            background: #F1EDE5;
        }
        .section-deep {
            background: var(--mc-deep);
            color: #F0EDE6;
        }
        .section-deep .section-tag {
            background: rgba(197, 168, 120, 0.2);
            color: var(--gc-light);
        }
        .section-deep .section-title {
            color: #FFFFFF;
        }
        .section-deep .section-subtitle {
            color: #C5CFC7;
        }
        .section-header {
            margin-bottom: 40px;
            text-align: center;
            max-width: 720px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--mc-deep);
            background: var(--gc-light);
            padding: 6px 16px;
            border-radius: 999px;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-main);
            letter-spacing: 0.01em;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 17px;
            font-weight: 400;
            color: var(--text-aux);
            line-height: 1.75;
        }

        /* ===== hero ===== */
        .hero {
            min-height: 72vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, #F7F5F0 0%, #EFF0EA 50%, #F7F5F0 100%);
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/c2b9cffb93c179d1.webp') center center / cover no-repeat;
            opacity: 0.15;
            z-index: 0;
            pointer-events: none;
        }
        .hero .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            padding-top: 60px;
            padding-bottom: 60px;
        }
        .hero-content {
            display: flex;
            flex-direction: column;
            gap: 22px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--mc-deep);
            background: rgba(232, 217, 181, 0.6);
            padding: 6px 16px;
            border-radius: 999px;
            width: fit-content;
            letter-spacing: 0.03em;
        }
        .hero h1 {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.28;
            color: var(--mc-deep);
            letter-spacing: 0.01em;
            margin: 0;
        }
        .hero-subtitle {
            font-size: 19px;
            font-weight: 400;
            color: var(--text-aux);
            line-height: 1.8;
            max-width: 520px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .hero-trust {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 8px;
            font-size: 14px;
            color: var(--text-aux);
            font-weight: 500;
        }
        .hero-trust span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-trust .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gc-sand);
            flex-shrink: 0;
        }
        .hero-visual {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            aspect-ratio: 4/3;
            background: #E6E0D5;
        }
        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-card);
        }
        .hero-visual::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(to top, rgba(31, 58, 46, 0.6) 0%, transparent 100%);
            border-radius: 0 0 var(--radius-card) var(--radius-card);
            pointer-events: none;
        }

        /* ===== stats bar ===== */
        .stats-bar {
            background: var(--mc-deep);
            color: #F0EDE6;
            padding: 28px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            padding: 8px 12px;
        }
        .stat-value {
            font-size: 32px;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.01em;
            line-height: 1.3;
        }
        .stat-label {
            font-size: 14px;
            color: #C5CFC7;
            font-weight: 500;
            margin-top: 4px;
            letter-spacing: 0.03em;
        }

        /* ===== cards grid ===== */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-grid);
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap-grid);
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--gap-grid);
        }
        .card {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            border: var(--border-warm);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #E6E0D5;
            border-radius: var(--radius-img) var(--radius-img) 0 0;
            position: relative;
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card:hover .card-img img {
            transform: scale(1.04);
        }
        .card-body {
            padding: 22px 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .card-title {
            font-size: 19px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
        }
        .card-title a {
            color: inherit;
        }
        .card-title a:hover {
            color: var(--gc-sand);
        }
        .card-desc {
            font-size: 15px;
            color: var(--text-aux);
            line-height: 1.7;
            flex: 1;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-mute);
            flex-wrap: wrap;
        }
        .badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--mc-deep);
            background: var(--gc-light);
            padding: 4px 12px;
            border-radius: 6px;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--mc-deep);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: auto;
        }
        .card-link:hover {
            color: var(--gc-sand);
        }

        /* ===== service cards ===== */
        .service-card {
            text-align: left;
            background: #FFFFFF;
            border-radius: var(--radius-card);
            border: var(--border-warm);
            box-shadow: var(--shadow-card);
            padding: 28px 26px;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
            position: relative;
            overflow: hidden;
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gc-sand);
            border-radius: 0 0 4px 4px;
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--gc-sand);
        }
        .service-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--mc-deep);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }
        .service-card h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-main);
        }
        .service-card p {
            font-size: 15px;
            color: var(--text-aux);
            line-height: 1.7;
            flex: 1;
        }

        /* ===== horizontal list cards ===== */
        .h-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .h-card {
            display: flex;
            gap: 18px;
            background: #FFFFFF;
            border-radius: var(--radius-card);
            border: var(--border-warm);
            box-shadow: var(--shadow-card);
            padding: 18px 20px;
            transition: all var(--transition);
            align-items: center;
        }
        .h-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
            border-color: var(--gc-sand);
        }
        .h-card-thumb {
            width: 120px;
            height: 90px;
            border-radius: 10px;
            overflow: hidden;
            background: #E6E0D5;
            flex-shrink: 0;
        }
        .h-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .h-card-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
            min-width: 0;
        }
        .h-card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
        }
        .h-card-title a {
            color: inherit;
        }
        .h-card-title a:hover {
            color: var(--gc-sand);
        }
        .h-card-desc {
            font-size: 14px;
            color: var(--text-aux);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .h-card-meta {
            display: flex;
            gap: 12px;
            font-size: 12px;
            color: var(--text-mute);
            flex-wrap: wrap;
        }

        /* ===== split sections ===== */
        .split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .split-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            aspect-ratio: 16/10;
            background: #E6E0D5;
        }
        .split-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-card);
        }
        .split-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .split-content p {
            font-size: 16px;
            color: var(--text-aux);
            line-height: 1.8;
            margin-bottom: 14px;
        }
        .split-content ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 8px;
        }
        .split-content ul li {
            font-size: 15px;
            color: var(--text-main);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.6;
        }
        .split-content ul li::before {
            content: '';
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--gc-sand);
            flex-shrink: 0;
            margin-top: 9px;
        }

        /* ===== deep section / risk ===== */
        .risk-section {
            background: var(--mc-deep);
            color: #F0EDE6;
            padding: 56px 0;
        }
        .risk-section .container {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 32px;
            align-items: center;
        }
        .risk-section h2 {
            font-size: 26px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
        }
        .risk-section p {
            font-size: 16px;
            color: #C5CFC7;
            line-height: 1.75;
            max-width: 640px;
        }
        .risk-section .btn-secondary {
            border-color: var(--gc-sand);
            color: var(--gc-light);
        }
        .risk-section .btn-secondary:hover {
            background: var(--gc-sand);
            color: var(--mc-deep);
        }

        /* ===== timeline ===== */
        .timeline {
            display: flex;
            flex-direction: column;
            gap: 16px;
            position: relative;
            padding-left: 28px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--gc-light);
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            padding: 16px 20px;
            background: #FFFFFF;
            border-radius: var(--radius-card);
            border: var(--border-warm);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .timeline-item:hover {
            box-shadow: var(--shadow-hover);
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -24px;
            top: 28px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--gc-sand);
            border: 2px solid var(--mc-deep);
        }
        .timeline-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--gc-sand);
            letter-spacing: 0.03em;
            margin-bottom: 4px;
        }
        .timeline-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
        }
        .timeline-desc {
            font-size: 14px;
            color: var(--text-aux);
            line-height: 1.6;
            margin-top: 4px;
        }

        /* ===== report cards ===== */
        .report-card {
            display: flex;
            align-items: center;
            gap: 20px;
            background: #FFFFFF;
            border-radius: var(--radius-card);
            border: var(--border-warm);
            box-shadow: var(--shadow-card);
            padding: 22px 24px;
            transition: all var(--transition);
        }
        .report-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .report-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: var(--gc-light);
            color: var(--mc-deep);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .report-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .report-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
        }
        .report-desc {
            font-size: 14px;
            color: var(--text-aux);
            line-height: 1.6;
        }
        .report-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-mute);
            background: var(--bg-warm);
            padding: 4px 10px;
            border-radius: 6px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            border: var(--border-warm);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--gc-sand);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--mc-deep);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: background-color var(--transition);
            background: transparent;
        }
        .faq-question:hover {
            background: rgba(232, 217, 181, 0.3);
        }
        .faq-question .arrow {
            font-size: 18px;
            transition: transform var(--transition);
            flex-shrink: 0;
            color: var(--gc-sand);
        }
        .faq-question.open .arrow {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
        }
        .faq-answer.open {
            max-height: 260px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-aux);
            line-height: 1.75;
            background: rgba(232, 217, 181, 0.2);
            padding: 14px 18px;
            border-radius: 10px;
        }

        /* ===== partners ===== */
        .partners-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: center;
            align-items: center;
        }
        .partner-item {
            width: 140px;
            height: 60px;
            background: #FFFFFF;
            border-radius: 10px;
            border: var(--border-warm);
            box-shadow: var(--shadow-card);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-mute);
            letter-spacing: 0.04em;
            transition: all var(--transition);
        }
        .partner-item:hover {
            border-color: var(--gc-sand);
            color: var(--text-main);
            box-shadow: var(--shadow-hover);
        }

        /* ===== form ===== */
        .contact-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
            max-width: 680px;
            margin: 0 auto;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group.full {
            grid-column: 1 / -1;
        }
        .form-submit {
            grid-column: 1 / -1;
            margin-top: 8px;
        }
        .form-note {
            font-size: 13px;
            color: var(--text-mute);
            text-align: center;
            grid-column: 1 / -1;
            margin-top: 4px;
        }

        /* ===== CTA band ===== */
        .cta-band {
            background: linear-gradient(135deg, var(--mc-deep) 0%, var(--mc-deep-2) 60%, #3A5A48 100%);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            text-align: center;
        }
        .cta-band h2 {
            font-size: 28px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .cta-band p {
            font-size: 17px;
            color: #C5CFC7;
            line-height: 1.7;
            max-width: 560px;
            margin: 0 auto 24px;
        }

        /* ===== footer ===== */
        .site-footer {
            background: var(--mc-deep);
            color: #C5CFC7;
            padding: 60px 0 28px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .brand-logo {
            color: #FFFFFF;
            font-size: 24px;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            color: #A8B5AD;
            line-height: 1.7;
            max-width: 300px;
            margin-bottom: 14px;
        }
        .footer-contact {
            font-size: 14px;
            color: #A8B5AD;
            line-height: 1.8;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: #A8B5AD;
            transition: color var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--gc-sand);
        }
        .footer-bottom {
            border-top: 1px solid rgba(197, 168, 120, 0.25);
            padding-top: 22px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: #A8B5AD;
        }
        .footer-bottom a {
            color: #A8B5AD;
        }
        .footer-bottom a:hover {
            color: var(--gc-sand);
        }

        /* ===== empty state ===== */
        .empty-state {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-mute);
            font-size: 15px;
            background: rgba(232, 217, 181, 0.2);
            border-radius: var(--radius-card);
            border: 1px dashed var(--gc-light);
        }

        /* ===== responsive ===== */
        @media (max-width: 1024px) {
            .container {
                padding-left: var(--padding-tablet);
                padding-right: var(--padding-tablet);
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero .container {
                gap: 32px;
            }
            .hero h1 {
                font-size: 36px;
            }
            .stats-grid {
                gap: 16px;
            }
            .stat-value {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: 64px;
            }
            .site-header .container {
                gap: 10px;
            }
            .brand-logo {
                font-size: 18px;
            }
            .brand-logo .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 15px;
                border-radius: 8px;
            }
            .main-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(247, 245, 240, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                align-items: flex-start;
                padding: 20px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--gc-light);
                box-shadow: 0 12px 32px rgba(38, 52, 45, 0.12);
                transform: translateY(-120%);
                transition: transform 0.35s ease;
                z-index: 999;
                margin-left: 0;
                margin-right: 0;
                display: flex;
            }
            .main-nav.open {
                transform: translateY(0);
            }
            .main-nav a {
                font-size: 16px;
                padding: 12px 4px;
                width: 100%;
                border-bottom: 1px solid rgba(232, 217, 181, 0.4);
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .nav-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .section-title {
                font-size: 24px;
            }
            .hero {
                min-height: auto;
                padding: 40px 0;
            }
            .hero .container {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-top: 20px;
                padding-bottom: 20px;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-visual {
                aspect-ratio: 16/9;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .grid-3,
            .grid-2 {
                grid-template-columns: 1fr;
                gap: var(--gap-grid-mobile);
            }
            .grid-4 {
                grid-template-columns: 1fr;
                gap: var(--gap-grid-mobile);
            }
            .split {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .risk-section .container {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .contact-form {
                grid-template-columns: 1fr;
            }
            .form-group.full,
            .form-submit,
            .form-note {
                grid-column: 1;
            }
            .cta-band {
                padding: 32px 20px;
            }
            .cta-band h2 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .h-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .h-card-thumb {
                width: 100%;
                height: 160px;
            }
            .report-card {
                flex-wrap: wrap;
                gap: 12px;
            }
            .timeline {
                padding-left: 22px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: var(--padding-mobile);
                padding-right: var(--padding-mobile);
            }
            .hero h1 {
                font-size: 26px;
            }
            .section-title {
                font-size: 21px;
            }
            .stat-value {
                font-size: 22px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .split-content h2 {
                font-size: 22px;
            }
            .card-body {
                padding: 18px 16px;
            }
            .card-title {
                font-size: 17px;
            }
            .faq-question {
                font-size: 15px;
                padding: 14px 16px;
            }
            .partner-item {
                width: 110px;
                height: 50px;
                font-size: 11px;
            }
        }

/* roulang page: article */
:root {
            --mc-deep: #1F3A2E;
            --mc-deep-2: #2A4A3A;
            --gc-sand: #C5A878;
            --gc-light: #E8D9B5;
            --bg-warm: #F7F5F0;
            --text-main: #26342D;
            --text-aux: #6B7A72;
            --text-mute: #A2B0A8;
            --alert-red: #B15C4B;
            --alert-green: #4E7B5F;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'SimSun', sans-serif;
            --shadow-card: 0 4px 16px rgba(38, 52, 45, 0.08);
            --shadow-hover: 0 8px 24px rgba(38, 52, 45, 0.12);
            --border-warm: 1px solid #E8D9B5;
            --radius-card: 14px;
            --radius-img: 12px;
            --radius-btn: 999px;
            --transition: 0.25s ease;
            --container-max: 1200px;
            --padding-desktop: 32px;
            --padding-tablet: 24px;
            --padding-mobile: 16px;
            --section-pad: 80px;
            --section-pad-mobile: 52px;
            --gap-grid: 28px;
            --gap-grid-mobile: 18px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--mc-deep);
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition), border-color var(--transition), opacity var(--transition);
        }
        a:hover {
            color: var(--gc-sand);
        }
        a:focus,
        button:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--gc-light);
            outline-offset: 2px;
        }
        button {
            cursor: pointer;
            font-family: var(--font-sans);
            border: none;
            background: none;
        }
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 16px;
            border: 1px solid var(--text-mute);
            border-radius: 8px;
            padding: 12px 16px;
            background: #FFFFFF;
            color: var(--text-main);
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
        }
        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--mc-deep);
            box-shadow: 0 0 0 3px rgba(197, 168, 120, 0.25);
            outline: none;
        }
        textarea {
            resize: vertical;
            min-height: 120px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--padding-desktop);
            padding-right: var(--padding-desktop);
        }
        /* ===== header / nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(247, 245, 240, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(232, 217, 181, 0.5);
            height: 76px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            flex-wrap: nowrap;
            gap: 16px;
        }
        .brand-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--mc-deep);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--mc-deep) 0%, var(--mc-deep-2) 60%, var(--gc-sand) 160%);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            padding: 0;
            border-radius: 10px;
            background: transparent;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(197, 168, 120, 0.12);
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--mc-deep);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            margin-left: auto;
            margin-right: 20px;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 2px;
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gc-sand);
            transition: width var(--transition);
            border-radius: 2px;
        }
        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }
        .main-nav a.active {
            color: var(--mc-deep);
            font-weight: 600;
        }
        .nav-cta {
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            letter-spacing: 0.01em;
            white-space: nowrap;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--mc-deep);
            color: #fff;
            border: 1px solid var(--mc-deep);
        }
        .btn-primary:hover {
            background: var(--gc-sand);
            border-color: var(--gc-sand);
            color: var(--mc-deep);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-outline {
            background: transparent;
            color: var(--mc-deep);
            border: 1px solid var(--mc-deep);
        }
        .btn-outline:hover {
            background: var(--gc-light);
            border-color: var(--gc-sand);
            color: var(--mc-deep);
            transform: translateY(-2px);
        }
        /* ===== article page layout ===== */
        .article-page {
            padding: 48px 0 80px;
            background: var(--bg-warm);
        }
        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: 48px;
            align-items: start;
        }
        .article-primary {
            min-width: 0;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-aux);
            margin-bottom: 20px;
        }
        .breadcrumb a {
            color: var(--text-aux);
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: var(--mc-deep);
        }
        .breadcrumb .sep {
            color: var(--text-mute);
            margin: 0 4px;
        }
        .breadcrumb .current {
            color: var(--mc-deep);
            font-weight: 600;
            max-width: 240px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .article-title-block {
            margin-bottom: 28px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }
        .article-category-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 999px;
            background: var(--gc-light);
            color: var(--mc-deep);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .article-date {
            font-size: 14px;
            color: var(--text-aux);
            white-space: nowrap;
        }
        .article-title-block h1 {
            font-size: 38px;
            line-height: 1.35;
            font-weight: 700;
            color: var(--mc-deep);
            letter-spacing: 0.01em;
            margin: 0 0 14px;
            word-break: break-word;
        }
        .article-summary {
            font-size: 16px;
            color: var(--text-aux);
            line-height: 1.9;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            max-width: 820px;
        }
        .article-cover {
            margin: 0 0 36px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            background: var(--gc-light);
            aspect-ratio: 16/9;
        }
        .article-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 16px;
            transition: transform 0.45s ease;
        }
        .article-cover:hover img {
            transform: scale(1.01);
        }
        .article-content {
            max-width: 760px;
            margin: 0 auto 40px;
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-main);
        }
        .article-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--mc-deep);
            margin: 36px 0 16px;
            line-height: 1.4;
        }
        .article-content h3 {
            font-size: 21px;
            font-weight: 600;
            color: var(--mc-deep);
            margin: 28px 0 12px;
            line-height: 1.5;
        }
        .article-content p {
            margin: 0 0 20px;
            color: var(--text-main);
        }
        .article-content blockquote {
            border-left: 3px solid var(--gc-sand);
            background: var(--gc-light);
            padding: 18px 22px;
            border-radius: 0 12px 12px 0;
            color: var(--text-main);
            margin: 28px 0;
            font-size: 16px;
        }
        .article-content blockquote p {
            margin: 0;
            color: var(--mc-deep);
        }
        .article-content ul,
        .article-content ol {
            padding-left: 24px;
            margin: 0 0 20px;
        }
        .article-content ul li {
            list-style: none;
            position: relative;
            padding-left: 20px;
            margin-bottom: 10px;
        }
        .article-content ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.8em;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--gc-sand);
        }
        .article-content ol li {
            margin-bottom: 10px;
        }
        .article-content img {
            border-radius: 12px;
            margin: 24px auto;
            box-shadow: var(--shadow-card);
        }
        .article-content a {
            color: var(--mc-deep);
            border-bottom: 1px solid var(--gc-sand);
            font-weight: 500;
        }
        .article-content a:hover {
            color: var(--gc-sand);
            border-bottom-color: var(--gc-sand);
        }
        .article-empty {
            text-align: center;
            padding: 48px 20px;
            background: #fff;
            border: var(--border-warm);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
        }
        .article-empty p {
            font-size: 18px;
            color: var(--text-aux);
            margin-bottom: 20px;
        }
        .article-action-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: center;
            margin: 40px 0 48px;
            padding: 24px 0;
            border-top: 1px solid rgba(232, 217, 181, 0.6);
            border-bottom: 1px solid rgba(232, 217, 181, 0.6);
        }
        .related-articles {
            margin-bottom: 48px;
        }
        .section-heading {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 24px;
        }
        .section-heading .tag {
            display: inline-flex;
            padding: 4px 12px;
            border-radius: 999px;
            background: var(--gc-light);
            color: var(--mc-deep);
            font-size: 13px;
            font-weight: 600;
        }
        .section-heading h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--mc-deep);
            margin: 0;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: #fff;
            border: var(--border-warm);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .related-card img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-radius: 14px 14px 0 0;
        }
        .related-card-content {
            padding: 20px 20px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .related-card-content h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--mc-deep);
            line-height: 1.5;
            margin: 0 0 10px;
        }
        .related-card-content p {
            font-size: 14px;
            color: var(--text-aux);
            line-height: 1.7;
            margin: 0 0 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-meta {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: var(--text-mute);
        }
        .related-meta span {
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        /* ===== sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 96px;
        }
        .sidebar-widget {
            background: #fff;
            border: var(--border-warm);
            border-radius: var(--radius-card);
            padding: 22px;
            box-shadow: var(--shadow-card);
        }
        .sidebar-widget h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--mc-deep);
            margin: 0 0 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid rgba(232, 217, 181, 0.5);
        }
        .sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px dashed rgba(232, 217, 181, 0.6);
        }
        .sidebar-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .sidebar-list a {
            font-size: 14px;
            color: var(--text-aux);
            line-height: 1.6;
            display: block;
            transition: color var(--transition);
        }
        .sidebar-list a:hover {
            color: var(--mc-deep);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud a,
        .tag-cloud span {
            display: inline-flex;
            align-items: center;
            padding: 6px 12px;
            border-radius: 999px;
            background: var(--bg-warm);
            color: var(--mc-deep);
            font-size: 13px;
            font-weight: 500;
            border: 1px solid rgba(232, 217, 181, 0.7);
            transition: all var(--transition);
        }
        .tag-cloud a:hover {
            background: var(--gc-light);
            border-color: var(--gc-sand);
            color: var(--mc-deep);
        }
        .sidebar-form input {
            margin-bottom: 12px;
        }
        .sidebar-form .btn {
            width: 100%;
        }
        /* ===== article bottom CTA ===== */
        .article-cta-subscribe {
            background: var(--mc-deep);
            padding: 64px 0;
            color: #fff;
            margin-top: 0;
        }
        .article-cta-subscribe .cta-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .article-cta-subscribe h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
            line-height: 1.4;
        }
        .article-cta-subscribe p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            margin: 0;
            line-height: 1.9;
        }
        .subscribe-form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .subscribe-form-grid .full {
            grid-column: 1 / -1;
        }
        .subscribe-form-grid input,
        .subscribe-form-grid textarea {
            background: #fff;
            border: 1px solid rgba(255,255,255,0.2);
            color: var(--text-main);
        }
        .subscribe-form-grid input::placeholder,
        .subscribe-form-grid textarea::placeholder {
            color: var(--text-mute);
        }
        .subscribe-form-grid .btn {
            grid-column: 1 / -1;
            background: var(--gc-sand);
            color: var(--mc-deep);
            border: 1px solid var(--gc-sand);
        }
        .subscribe-form-grid .btn:hover {
            background: var(--gc-light);
            border-color: var(--gc-light);
        }
        /* ===== footer ===== */
        .site-footer {
            background: var(--mc-deep);
            color: #fff;
            padding: 64px 0 28px;
            margin-top: 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255,255,255,0.12);
        }
        .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand p {
            color: rgba(255,255,255,0.7);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .footer-contact {
            color: rgba(255,255,255,0.7);
            font-size: 14px;
            line-height: 1.8;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 18px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 12px;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.7);
            font-size: 14px;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--gc-sand);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 24px;
            color: rgba(255,255,255,0.55);
            font-size: 13px;
        }
        /* ===== responsive ===== */
        @media screen and (max-width: 1024px) {
            .main-nav {
                gap: 18px;
                margin-right: 16px;
            }
            .nav-cta .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
            .article-layout {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .article-sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
            }
            .sidebar-widget {
                flex: 1 1 240px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-cta-subscribe .cta-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media screen and (max-width: 768px) {
            .site-header {
                height: 68px;
            }
            .site-header .container {
                padding-left: var(--padding-tablet);
                padding-right: var(--padding-tablet);
            }
            .nav-toggle {
                display: flex;
                margin-left: auto;
            }
            .main-nav {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(247, 245, 240, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 16px 24px 24px;
                margin: 0;
                transform: translateY(-120%);
                transition: transform 0.3s ease;
                border-bottom: 1px solid rgba(232, 217, 181, 0.5);
                box-shadow: var(--shadow-card);
            }
            .main-nav.open {
                transform: translateY(0);
            }
            .main-nav a {
                width: 100%;
                padding: 14px 0;
                font-size: 17px;
                border-bottom: 1px solid rgba(232, 217, 181, 0.4);
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .nav-cta {
                display: none;
            }
            .article-page {
                padding: 32px 0 56px;
            }
            .container {
                padding-left: var(--padding-tablet);
                padding-right: var(--padding-tablet);
            }
            .article-title-block h1 {
                font-size: 30px;
            }
            .article-summary {
                font-size: 15px;
            }
            .article-content {
                font-size: 16px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                flex-direction: column;
            }
            .sidebar-widget {
                flex: 1 1 auto;
            }
            .article-cta-subscribe {
                padding: 48px 0;
            }
            .article-cta-subscribe h2 {
                font-size: 24px;
            }
            .subscribe-form-grid {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media screen and (max-width: 520px) {
            .container {
                padding-left: var(--padding-mobile);
                padding-right: var(--padding-mobile);
            }
            .brand-logo {
                font-size: 19px;
                gap: 8px;
            }
            .brand-logo .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
            .article-title-block h1 {
                font-size: 26px;
                line-height: 1.4;
            }
            .article-meta {
                gap: 8px;
            }
            .breadcrumb .current {
                max-width: 130px;
            }
            .article-action-row {
                flex-direction: column;
                align-items: stretch;
            }
            .article-action-row .btn {
                width: 100%;
            }
            .related-card-content h3 {
                font-size: 17px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category1 */
:root {
            --mc-deep: #1F3A2E;
            --mc-deep-2: #2A4A3A;
            --gc-sand: #C5A878;
            --gc-light: #E8D9B5;
            --bg-warm: #F7F5F0;
            --text-main: #26342D;
            --text-aux: #6B7A72;
            --text-mute: #A2B0A8;
            --alert-red: #B15C4B;
            --alert-green: #4E7B5F;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'SimSun', sans-serif;
            --shadow-card: 0 4px 16px rgba(38, 52, 45, 0.08);
            --shadow-hover: 0 8px 24px rgba(38, 52, 45, 0.12);
            --border-warm: 1px solid #E8D9B5;
            --radius-card: 14px;
            --radius-img: 12px;
            --radius-btn: 999px;
            --transition: 0.25s ease;
            --container-max: 1200px;
            --padding-desktop: 32px;
            --padding-tablet: 24px;
            --padding-mobile: 16px;
            --section-pad: 80px;
            --section-pad-mobile: 52px;
            --gap-grid: 28px;
            --gap-grid-mobile: 18px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--mc-deep);
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition), border-color var(--transition), opacity var(--transition), box-shadow var(--transition);
        }
        a:hover {
            color: var(--gc-sand);
        }
        a:focus,
        button:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--gc-light);
            outline-offset: 2px;
        }
        button {
            cursor: pointer;
            font-family: var(--font-sans);
            border: none;
            background: none;
        }
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 16px;
            border: 1px solid var(--text-mute);
            border-radius: 8px;
            padding: 12px 16px;
            background: #FFFFFF;
            color: var(--text-main);
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
        }
        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--mc-deep);
            box-shadow: 0 0 0 3px rgba(197, 168, 120, 0.25);
            outline: none;
        }
        textarea {
            resize: vertical;
            min-height: 120px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--padding-desktop);
            padding-right: var(--padding-desktop);
            width: 100%;
        }
        /* ===== header / nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(247, 245, 240, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(232, 217, 181, 0.5);
            height: 76px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            flex-wrap: nowrap;
            gap: 16px;
        }
        .brand-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--mc-deep);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--mc-deep) 0%, var(--mc-deep-2) 60%, var(--gc-sand) 160%);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            margin-left: auto;
            margin-right: 20px;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 2px;
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gc-sand);
            transition: width var(--transition);
            border-radius: 2px;
        }
        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }
        .main-nav a.active {
            color: var(--mc-deep);
            font-weight: 600;
        }
        .nav-cta {
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            letter-spacing: 0.01em;
            white-space: nowrap;
            line-height: 1.4;
            border: 1px solid transparent;
        }
        .btn-primary {
            background-color: var(--mc-deep);
            color: #FFFFFF;
            border-color: var(--mc-deep);
        }
        .btn-primary:hover {
            background-color: var(--gc-sand);
            border-color: var(--gc-sand);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-card);
        }
        .btn-outline {
            background-color: transparent;
            color: var(--mc-deep);
            border-color: var(--mc-deep);
        }
        .btn-outline:hover {
            background-color: var(--gc-light);
            border-color: var(--gc-sand);
            color: var(--mc-deep);
            transform: translateY(-1px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            border-radius: 8px;
            border: 1px solid var(--gc-light);
            background: transparent;
            flex-shrink: 0;
            transition: all var(--transition);
        }
        .nav-toggle:hover {
            background: var(--gc-light);
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--mc-deep);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* ===== category hero / h1 ===== */
        .category-h1-section {
            padding: 56px 0 32px;
            background: linear-gradient(180deg, rgba(232, 217, 181, 0.18) 0%, var(--bg-warm) 100%);
            border-bottom: 1px solid var(--gc-light);
        }
        .category-h1-section .container {
            max-width: 860px;
        }
        .category-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--mc-deep);
            background: var(--gc-light);
            border-radius: 999px;
            padding: 6px 16px;
            letter-spacing: 0.05em;
            margin-bottom: 16px;
        }
        .category-h1-section h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--mc-deep);
            line-height: 1.3;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
        }
        .category-h1-section .h1-subtitle {
            font-size: 18px;
            color: var(--text-aux);
            line-height: 1.8;
            max-width: 700px;
        }
        /* ===== section common ===== */
        .cf-section {
            padding: var(--section-pad) 0;
        }
        .cf-section-alt {
            background: rgba(232, 217, 181, 0.18);
            border-top: 1px solid var(--gc-light);
            border-bottom: 1px solid var(--gc-light);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--mc-deep);
            background: var(--gc-light);
            border-radius: 999px;
            padding: 6px 16px;
            letter-spacing: 0.05em;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--mc-deep);
            line-height: 1.35;
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-aux);
            line-height: 1.8;
            max-width: 680px;
        }
        /* ===== intro section ===== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--gap-grid);
            align-items: center;
        }
        .intro-image-wrap {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: var(--border-warm);
            aspect-ratio: 4 / 3;
        }
        .intro-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .intro-content p {
            font-size: 16px;
            color: var(--text-main);
            line-height: 1.9;
            margin-bottom: 12px;
        }
        .intro-content p:last-child {
            margin-bottom: 0;
        }
        .highlight {
            color: var(--mc-deep);
            font-weight: 600;
            border-bottom: 2px solid var(--gc-sand);
            padding-bottom: 1px;
        }
        /* ===== filter bar ===== */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            padding: 16px 0;
            border-bottom: 1px solid var(--gc-light);
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-aux);
            background: #FFFFFF;
            border: 1px solid var(--gc-light);
            border-radius: 999px;
            padding: 7px 18px;
            transition: all var(--transition);
            cursor: pointer;
            user-select: none;
        }
        .filter-tag:hover {
            border-color: var(--gc-sand);
            color: var(--mc-deep);
        }
        .filter-tag.active {
            background: var(--mc-deep);
            color: #FFFFFF;
            border-color: var(--mc-deep);
        }
        .filter-select {
            max-width: 180px;
            width: auto;
            margin-left: auto;
            padding: 8px 16px;
            font-size: 14px;
            border-radius: 8px;
            border: 1px solid var(--gc-light);
            background: #FFFFFF;
            color: var(--text-main);
            cursor: pointer;
        }
        /* ===== content list cards ===== */
        .content-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--gap-grid);
        }
        .content-card {
            background: #FFFFFF;
            border: var(--border-warm);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .content-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--gc-sand);
        }
        .content-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--gc-light);
        }
        .content-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }
        .content-card:hover .content-card-img img {
            transform: scale(1.03);
        }
        .content-card-body {
            padding: 22px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .content-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
            font-size: 13px;
            color: var(--text-mute);
        }
        .content-card-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--mc-deep);
            background: var(--gc-light);
            border-radius: 4px;
            padding: 3px 10px;
            letter-spacing: 0.04em;
        }
        .content-card-title {
            font-size: 19px;
            font-weight: 600;
            color: var(--mc-deep);
            line-height: 1.5;
            margin-bottom: 10px;
            transition: color var(--transition);
        }
        .content-card:hover .content-card-title {
            color: var(--gc-sand);
        }
        .content-card-summary {
            font-size: 15px;
            color: var(--text-aux);
            line-height: 1.8;
            margin-bottom: 16px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .content-card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--mc-deep);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }
        .content-card-link:hover {
            color: var(--gc-sand);
            gap: 8px;
        }
        /* ===== topics grid ===== */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-grid);
        }
        .topic-card {
            background: #FFFFFF;
            border: var(--border-warm);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .topic-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--mc-deep), var(--gc-sand));
            border-radius: 0 0 6px 6px;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .topic-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--mc-deep);
            margin-bottom: 10px;
            line-height: 1.5;
        }
        .topic-card p {
            font-size: 15px;
            color: var(--text-aux);
            line-height: 1.8;
            margin-bottom: 0;
        }
        /* ===== data visualization ===== */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--gap-grid);
            align-items: center;
        }
        .data-bars {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .data-bar-item {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .data-bar-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            min-width: 80px;
            text-align: right;
            white-space: nowrap;
        }
        .data-bar-track {
            flex: 1;
            height: 10px;
            background: rgba(232, 217, 181, 0.5);
            border-radius: 999px;
            overflow: hidden;
        }
        .data-bar-fill {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--mc-deep) 0%, var(--gc-sand) 100%);
            transition: width var(--transition);
            width: 0;
        }
        .data-insight-card {
            background: #FFFFFF;
            border: var(--border-warm);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            text-align: center;
        }
        .data-insight-card .big-number {
            font-size: 52px;
            font-weight: 700;
            color: var(--mc-deep);
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .data-insight-card .big-number-label {
            font-size: 16px;
            color: var(--text-aux);
            font-weight: 500;
        }
        .data-insight-card .data-note {
            font-size: 13px;
            color: var(--text-mute);
            margin-top: 14px;
            line-height: 1.6;
        }
        /* ===== CTA band ===== */
        .cta-band {
            background: linear-gradient(135deg, var(--mc-deep) 0%, var(--mc-deep-2) 60%, #3D5A48 100%);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-hover);
            position: relative;
            overflow: hidden;
        }
        .cta-band::after {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(197, 168, 120, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-band-content {
            flex: 1;
            min-width: 260px;
            position: relative;
            z-index: 1;
        }
        .cta-band-title {
            font-size: 26px;
            font-weight: 700;
            color: #FFFFFF;
            line-height: 1.4;
            margin-bottom: 10px;
        }
        .cta-band-subtitle {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.7;
            max-width: 480px;
        }
        .cta-band .btn {
            position: relative;
            z-index: 1;
            flex-shrink: 0;
        }
        .cta-band .btn-primary {
            background-color: var(--gc-sand);
            border-color: var(--gc-sand);
            color: var(--mc-deep);
        }
        .cta-band .btn-primary:hover {
            background-color: #FFFFFF;
            border-color: #FFFFFF;
            color: var(--mc-deep);
        }
        /* ===== resources ===== */
        .resources-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--gap-grid);
        }
        .resource-item {
            background: #FFFFFF;
            border: var(--border-warm);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            align-items: flex-start;
            gap: 18px;
        }
        .resource-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: var(--gc-sand);
        }
        .resource-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: var(--gc-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--mc-deep);
            flex-shrink: 0;
        }
        .resource-info h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--mc-deep);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .resource-info p {
            font-size: 14px;
            color: var(--text-aux);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .resource-info .resource-meta {
            font-size: 12px;
            color: var(--text-mute);
            margin-top: 8px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--gc-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--gc-sand);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--mc-deep);
            background: transparent;
            text-align: left;
            transition: all var(--transition);
            letter-spacing: 0.01em;
            line-height: 1.5;
        }
        .faq-question:hover {
            color: var(--gc-sand);
        }
        .faq-question .faq-arrow {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            transition: transform var(--transition);
            position: relative;
        }
        .faq-question .faq-arrow::before,
        .faq-question .faq-arrow::after {
            content: '';
            position: absolute;
            left: 50%;
            top: 50%;
            background: var(--mc-deep);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .faq-question .faq-arrow::before {
            width: 14px;
            height: 2px;
            transform: translate(-50%, -50%);
        }
        .faq-question .faq-arrow::after {
            width: 2px;
            height: 14px;
            transform: translate(-50%, -50%);
        }
        .faq-item.open .faq-arrow::after {
            transform: translate(-50%, -50%) scaleY(0);
        }
        .faq-item.open .faq-question {
            color: var(--mc-deep);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-aux);
            line-height: 1.8;
            margin-bottom: 0;
        }
        /* ===== more entry ===== */
        .more-entry {
            text-align: center;
            padding: 40px 0 20px;
        }
        .more-entry .btn {
            min-width: 200px;
        }
        /* ===== footer ===== */
        .site-footer {
            background: var(--mc-deep);
            color: rgba(255, 255, 255, 0.82);
            padding: 56px 0 24px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .brand-logo {
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .footer-brand .brand-logo .logo-mark {
            color: #FFFFFF;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 12px;
            max-width: 320px;
        }
        .footer-contact {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.8;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--gc-sand);
            transform: translateX(3px);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(232, 217, 181, 0.2);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        /* ===== responsive ===== */
        @media (max-width: 1023px) {
            .container {
                padding-left: var(--padding-tablet);
                padding-right: var(--padding-tablet);
            }
            .main-nav {
                gap: 18px;
                margin-right: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .topics-grid {
                grid-template-columns: 1fr 1fr;
            }
            .content-grid {
                grid-template-columns: 1fr 1fr;
            }
            .data-grid {
                grid-template-columns: 1fr;
            }
            .resources-list {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 767px) {
            .container {
                padding-left: var(--padding-mobile);
                padding-right: var(--padding-mobile);
            }
            :root {
                --section-pad: 52px;
            }
            .site-header {
                height: 64px;
            }
            .brand-logo {
                font-size: 18px;
                gap: 8px;
            }
            .brand-logo .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 15px;
                border-radius: 8px;
            }
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--bg-warm);
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                padding: 16px;
                border-bottom: 1px solid var(--gc-light);
                box-shadow: var(--shadow-card);
                transform: translateY(-120%);
                transition: transform 0.3s ease;
                z-index: 999;
                margin-left: 0;
                margin-right: 0;
            }
            .main-nav.open {
                transform: translateY(0);
            }
            .main-nav a {
                width: 100%;
                padding: 12px 16px;
                font-size: 16px;
                border-radius: 8px;
            }
            .main-nav a::after {
                display: none;
            }
            .main-nav a:hover {
                background: var(--gc-light);
            }
            .nav-cta {
                display: none;
            }
            .category-h1-section {
                padding: 36px 0 24px;
            }
            .category-h1-section h1 {
                font-size: 28px;
            }
            .category-h1-section .h1-subtitle {
                font-size: 16px;
            }
            .cf-section {
                padding: var(--section-pad) 0;
            }
            .section-title {
                font-size: 22px;
            }
            .intro-grid {
                grid-template-columns: 1fr;
            }
            .content-grid {
                grid-template-columns: 1fr;
            }
            .topics-grid {
                grid-template-columns: 1fr;
            }
            .data-grid {
                grid-template-columns: 1fr;
            }
            .cta-band {
                padding: 32px 24px;
                flex-direction: column;
                text-align: center;
            }
            .cta-band-title {
                font-size: 22px;
            }
            .resources-list {
                grid-template-columns: 1fr;
            }
            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .filter-select {
                max-width: 100%;
                width: 100%;
                margin-left: 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .content-card-body {
                padding: 18px 18px 20px;
            }
            .content-card-title {
                font-size: 17px;
            }
            .data-bar-label {
                min-width: 60px;
                font-size: 13px;
            }
            .data-insight-card .big-number {
                font-size: 40px;
            }
            .resource-item {
                padding: 18px;
                flex-direction: column;
                gap: 12px;
            }
        }
        @media (max-width: 420px) {
            .category-h1-section h1 {
                font-size: 24px;
            }
            .section-title {
                font-size: 20px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
                width: 100%;
            }
            .cta-band .btn {
                width: 100%;
            }
        }

/* roulang page: category2 */
:root {
            --mc-deep: #1F3A2E;
            --mc-deep-2: #2A4A3A;
            --gc-sand: #C5A878;
            --gc-light: #E8D9B5;
            --bg-warm: #F7F5F0;
            --text-main: #26342D;
            --text-aux: #6B7A72;
            --text-mute: #A2B0A8;
            --alert-red: #B15C4B;
            --alert-green: #4E7B5F;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'SimSun', sans-serif;
            --shadow-card: 0 4px 16px rgba(38, 52, 45, 0.08);
            --shadow-hover: 0 8px 24px rgba(38, 52, 45, 0.12);
            --border-warm: 1px solid #E8D9B5;
            --radius-card: 14px;
            --radius-img: 12px;
            --radius-btn: 999px;
            --transition: 0.25s ease;
            --container-max: 1200px;
            --padding-desktop: 32px;
            --padding-tablet: 24px;
            --padding-mobile: 16px;
            --section-pad: 80px;
            --section-pad-mobile: 52px;
            --gap-grid: 28px;
            --gap-grid-mobile: 18px;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            margin: 0;
        }

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

        a {
            color: var(--mc-deep);
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition), border-color var(--transition), opacity var(--transition);
        }

        a:hover {
            color: var(--gc-sand);
        }

        a:focus,
        button:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--gc-light);
            outline-offset: 2px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-sans);
            border: none;
            background: none;
        }

        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 16px;
            border: 1px solid var(--text-mute);
            border-radius: 8px;
            padding: 12px 16px;
            background: #FFFFFF;
            color: var(--text-main);
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
        }

        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--mc-deep);
            box-shadow: 0 0 0 3px rgba(197, 168, 120, 0.25);
            outline: none;
        }

        textarea {
            resize: vertical;
            min-height: 120px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--padding-desktop);
            padding-right: var(--padding-desktop);
        }

        /* ===== header / nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(247, 245, 240, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(232, 217, 181, 0.5);
            height: 76px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            flex-wrap: nowrap;
            gap: 16px;
        }

        .brand-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--mc-deep);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-logo .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--mc-deep) 0%, var(--mc-deep-2) 60%, var(--gc-sand) 160%);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            margin-left: auto;
            margin-right: 20px;
        }

        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 2px;
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

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

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

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

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            letter-spacing: 0.01em;
            white-space: nowrap;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--mc-deep);
            color: #fff;
            border: 2px solid var(--mc-deep);
        }

        .btn-primary:hover {
            background: var(--gc-sand);
            border-color: var(--gc-sand);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }

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

        .btn-outline:hover {
            background: var(--gc-light);
            border-color: var(--gc-sand);
            color: var(--mc-deep);
            transform: translateY(-1px);
        }

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

        /* ===== 分类页特有 ===== */
        .page-hero-category {
            background: linear-gradient(135deg, #F7F5F0 0%, #F0EBE0 55%, #EDE4D2 100%);
            border-bottom: 1px solid rgba(232, 217, 181, 0.6);
            padding: 56px 0 48px;
        }

        .breadcrumb-wrap {
            font-size: 14px;
            color: var(--text-aux);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb-wrap .separator {
            color: var(--gc-sand);
            font-size: 12px;
        }

        .breadcrumb-wrap .current {
            color: var(--mc-deep);
            font-weight: 600;
        }

        .page-hero-category h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--mc-deep);
            margin: 0 0 12px;
            letter-spacing: 0.02em;
        }

        .page-hero-category .hero-sub {
            font-size: 18px;
            color: var(--text-aux);
            max-width: 680px;
            margin: 0;
            line-height: 1.7;
        }

        /* ===== 分类介绍 ===== */
        .category-intro-section {
            padding: var(--section-pad) 0 0;
        }

        .intro-two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .intro-img-wrap {
            border-radius: var(--radius-img);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: var(--border-warm);
            aspect-ratio: 4 / 3;
            background: #E5DFD2;
        }

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

        .intro-img-wrap:hover img {
            transform: scale(1.02);
        }

        .intro-text h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--mc-deep);
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

        .intro-text p {
            color: var(--text-aux);
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 12px;
        }

        .tag-badge {
            display: inline-block;
            background: var(--gc-light);
            color: var(--mc-deep);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
        }

        /* ===== 策略卡片 ===== */
        .strategy-cards-section {
            padding: var(--section-pad) 0;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 44px;
        }

        .section-head .section-label {
            display: inline-block;
            background: var(--gc-light);
            color: var(--mc-deep);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 999px;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--mc-deep);
            margin: 0 0 10px;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-aux);
            margin: 0;
            line-height: 1.8;
        }

        .strategy-card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap-grid);
        }

        .strategy-card {
            background: #FFFFFF;
            border: var(--border-warm);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .strategy-card .card-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--gc-light) 0%, #D9C8A4 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--mc-deep);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .strategy-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--mc-deep);
            margin: 0;
        }

        .strategy-card p {
            font-size: 14px;
            color: var(--text-aux);
            margin: 0;
            line-height: 1.75;
        }

        /* ===== 流程步骤 ===== */
        .process-section {
            padding: var(--section-pad) 0;
            background: #FFFFFF;
            border-top: 1px solid rgba(232, 217, 181, 0.4);
            border-bottom: 1px solid rgba(232, 217, 181, 0.4);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap-grid);
        }

        .process-step {
            text-align: center;
            padding: 28px 20px;
            border-radius: var(--radius-card);
            background: var(--bg-warm);
            border: var(--border-warm);
            transition: all var(--transition);
        }

        .process-step:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--gc-sand);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--mc-deep);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .process-step h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--mc-deep);
            margin: 0 0 8px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-aux);
            margin: 0;
            line-height: 1.7;
        }

        /* ===== 市场主题卡片 ===== */
        .theme-cards-section {
            padding: var(--section-pad) 0;
        }

        .theme-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-grid);
        }

        .theme-card {
            background: #FFFFFF;
            border: var(--border-warm);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

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

        .theme-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #E5DFD2;
        }

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

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

        .theme-card-body {
            padding: 20px 24px 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .theme-card-body .theme-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--mc-deep);
            background: var(--gc-light);
            padding: 3px 10px;
            border-radius: 4px;
            align-self: flex-start;
        }

        .theme-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--mc-deep);
            margin: 0;
            line-height: 1.5;
        }

        .theme-card-body p {
            font-size: 14px;
            color: var(--text-aux);
            margin: 0;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ===== 数据趋势 ===== */
        .data-section {
            padding: var(--section-pad) 0;
            background: var(--mc-deep);
        }

        .data-section .section-head h2 {
            color: #fff;
        }

        .data-section .section-head p {
            color: rgba(255, 255, 255, 0.7);
        }

        .data-section .section-head .section-label {
            background: rgba(197, 168, 120, 0.25);
            color: var(--gc-sand);
        }

        .data-visual-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .data-block {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(232, 217, 181, 0.25);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition);
        }

        .data-block:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: var(--gc-sand);
        }

        .data-block .data-value {
            font-size: 32px;
            font-weight: 700;
            color: var(--gc-sand);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .data-block .data-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin: 0;
        }

        .data-block .data-trend {
            font-size: 12px;
            color: var(--alert-green);
            margin-top: 6px;
            font-weight: 600;
        }

        /* ===== CMS 信息列表 ===== */
        .news-list-section {
            padding: var(--section-pad) 0;
            background: #FFFFFF;
            border-top: 1px solid rgba(232, 217, 181, 0.4);
            border-bottom: 1px solid rgba(232, 217, 181, 0.4);
        }

        .news-list-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .news-item {
            display: flex;
            gap: 16px;
            background: var(--bg-warm);
            border: var(--border-warm);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            transition: all var(--transition);
            align-items: center;
        }

        .news-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--gc-sand);
            transform: translateY(-2px);
        }

        .news-item-img {
            width: 96px;
            height: 72px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
            background: #E5DFD2;
        }

        .news-item-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-item-body {
            flex: 1;
            min-width: 0;
        }

        .news-item-body h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--mc-deep);
            margin: 0 0 6px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item-body .news-meta {
            font-size: 13px;
            color: var(--text-mute);
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .news-item-body .news-cat {
            color: var(--gc-sand);
            font-weight: 500;
        }

        .news-empty {
            text-align: center;
            padding: 40px;
            color: var(--text-mute);
            font-size: 15px;
        }

        /* ===== 资源下载 ===== */
        .resources-section {
            padding: var(--section-pad) 0;
        }

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

        .resource-card {
            background: #FFFFFF;
            border: var(--border-warm);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .resource-card .resource-type {
            font-size: 12px;
            font-weight: 600;
            color: var(--mc-deep);
            background: var(--gc-light);
            padding: 3px 10px;
            border-radius: 4px;
            align-self: flex-start;
        }

        .resource-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--mc-deep);
            margin: 0;
            line-height: 1.5;
        }

        .resource-card p {
            font-size: 14px;
            color: var(--text-aux);
            margin: 0;
            line-height: 1.7;
            flex: 1;
        }

        .resource-card .resource-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--mc-deep);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .resource-card .resource-link:hover {
            color: var(--gc-sand);
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--section-pad) 0;
            background: #FFFFFF;
            border-top: 1px solid rgba(232, 217, 181, 0.4);
            border-bottom: 1px solid rgba(232, 217, 181, 0.4);
        }

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

        .faq-item {
            border: var(--border-warm);
            border-radius: 12px;
            margin-bottom: 12px;
            background: var(--bg-warm);
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 24px;
            cursor: pointer;
            font-weight: 600;
            color: var(--mc-deep);
            font-size: 16px;
            gap: 16px;
            user-select: none;
        }

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

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 200px;
            padding: 0 24px 18px;
        }

        .faq-answer p {
            margin: 0;
            color: var(--text-aux);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: var(--section-pad) 0;
            background: linear-gradient(135deg, var(--mc-deep) 0%, var(--mc-deep-2) 60%, #3A5A48 100%);
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cta-text h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
        }

        .cta-text p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            margin: 0;
            line-height: 1.7;
        }

        .cta-actions {
            display: flex;
            gap: 16px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }

        .cta-actions .btn-primary {
            background: var(--gc-sand);
            border-color: var(--gc-sand);
            color: var(--mc-deep);
        }

        .cta-actions .btn-primary:hover {
            background: #D4B88C;
            border-color: #D4B88C;
            color: var(--mc-deep);
        }

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

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

        /* ===== footer ===== */
        .site-footer {
            background: var(--mc-deep);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 0;
        }

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

        .site-footer .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            margin: 0 0 16px;
        }

        .site-footer .footer-contact {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
        }

        .site-footer .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--gc-sand);
            margin: 0 0 14px;
            letter-spacing: 0.02em;
        }

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

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

        .site-footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: color var(--transition);
        }

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

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 18px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== 移动端汉堡按钮 ===== */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            background: none;
            border: none;
        }

        .hamburger span {
            width: 24px;
            height: 2px;
            background: var(--mc-deep);
            border-radius: 2px;
            transition: all var(--transition);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .strategy-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-visual-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .resource-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: 64px;
            }
            .site-header .container {
                padding-left: var(--padding-mobile);
                padding-right: var(--padding-mobile);
            }
            .main-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(247, 245, 240, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                gap: 0;
                padding: 12px 16px 20px;
                border-bottom: 1px solid rgba(232, 217, 181, 0.5);
                display: none;
                margin: 0;
                box-shadow: 0 8px 24px rgba(38, 52, 45, 0.1);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 14px 8px;
                width: 100%;
                text-align: center;
                font-size: 16px;
                border-bottom: 1px solid rgba(232, 217, 181, 0.3);
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .main-nav a::after {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
            .page-hero-category {
                padding: 40px 0 32px;
            }
            .page-hero-category h1 {
                font-size: 30px;
            }
            .page-hero-category .hero-sub {
                font-size: 16px;
            }
            .intro-two-col {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .strategy-card-grid {
                grid-template-columns: 1fr;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .theme-card-grid {
                grid-template-columns: 1fr;
            }
            .data-visual-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .news-list-grid {
                grid-template-columns: 1fr;
            }
            .resource-list {
                grid-template-columns: 1fr;
            }
            .cta-inner {
                flex-direction: column;
                text-align: center;
            }
            .cta-actions {
                justify-content: center;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .container {
                padding-left: var(--padding-mobile);
                padding-right: var(--padding-mobile);
            }
            .section-head h2 {
                font-size: 24px;
            }
            :root {
                --section-pad: 52px;
            }
        }

        @media (max-width: 520px) {
            .data-visual-grid {
                grid-template-columns: 1fr;
            }
            .data-block .data-value {
                font-size: 26px;
            }
        }

/* roulang page: category3 */
:root {
            --mc-deep: #1F3A2E;
            --mc-deep-2: #2A4A3A;
            --gc-sand: #C5A878;
            --gc-light: #E8D9B5;
            --bg-warm: #F7F5F0;
            --text-main: #26342D;
            --text-aux: #6B7A72;
            --text-mute: #A2B0A8;
            --alert-red: #B15C4B;
            --alert-green: #4E7B5F;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'SimSun', sans-serif;
            --shadow-card: 0 4px 16px rgba(38, 52, 45, 0.08);
            --shadow-hover: 0 8px 24px rgba(38, 52, 45, 0.12);
            --border-warm: 1px solid #E8D9B5;
            --radius-card: 14px;
            --radius-img: 12px;
            --radius-btn: 999px;
            --transition: 0.25s ease;
            --container-max: 1200px;
            --padding-desktop: 32px;
            --padding-tablet: 24px;
            --padding-mobile: 16px;
            --section-pad: 80px;
            --section-pad-mobile: 52px;
            --gap-grid: 28px;
            --gap-grid-mobile: 18px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        *, *::before, *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            margin: 0;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--mc-deep);
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition), border-color var(--transition), opacity var(--transition), box-shadow var(--transition), transform var(--transition);
        }
        a:hover {
            color: var(--gc-sand);
        }
        a:focus,
        button:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--gc-light);
            outline-offset: 2px;
        }
        button {
            cursor: pointer;
            font-family: var(--font-sans);
            border: none;
            background: none;
        }
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 16px;
            border: 1px solid var(--text-mute);
            border-radius: 8px;
            padding: 12px 16px;
            background: #FFFFFF;
            color: var(--text-main);
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
        }
        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--mc-deep);
            box-shadow: 0 0 0 3px rgba(197, 168, 120, 0.25);
            outline: none;
        }
        textarea {
            resize: vertical;
            min-height: 120px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--padding-desktop);
            padding-right: var(--padding-desktop);
        }
        /* ===== header / nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(247, 245, 240, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(232, 217, 181, 0.5);
            height: 76px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            flex-wrap: nowrap;
            gap: 16px;
        }
        .brand-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--mc-deep);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--mc-deep) 0%, var(--mc-deep-2) 60%, var(--gc-sand) 160%);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            margin-left: auto;
            margin-right: 20px;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 2px;
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gc-sand);
            transition: width var(--transition);
            border-radius: 2px;
        }
        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }
        .main-nav a.active {
            color: var(--mc-deep);
            font-weight: 600;
        }
        .nav-cta {
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            letter-spacing: 0.01em;
            white-space: nowrap;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--mc-deep);
            color: #fff;
            border: 2px solid var(--mc-deep);
        }
        .btn-primary:hover {
            background: var(--gc-sand);
            border-color: var(--gc-sand);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }
        .btn-outline {
            background: transparent;
            color: var(--mc-deep);
            border: 2px solid var(--mc-deep);
        }
        .btn-outline:hover {
            background: var(--gc-light);
            border-color: var(--gc-light);
            color: var(--mc-deep);
            transform: translateY(-1px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: none;
            cursor: pointer;
            z-index: 1001;
        }
        .hamburger span {
            width: 26px;
            height: 2px;
            background: var(--mc-deep);
            border-radius: 2px;
            transition: all var(--transition);
            display: block;
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        /* ===== breadcrumb ===== */
        .breadcrumb-bar {
            background: var(--bg-warm);
            padding: 16px 0 0;
            font-size: 14px;
            color: var(--text-aux);
        }
        .breadcrumb-bar a {
            color: var(--text-aux);
        }
        .breadcrumb-bar a:hover {
            color: var(--mc-deep);
        }
        .breadcrumb-bar .separator {
            margin: 0 8px;
            color: var(--text-mute);
        }
        /* ===== category hero ===== */
        .category-hero {
            background: linear-gradient(135deg, var(--mc-deep) 0%, var(--mc-deep-2) 50%, #3A5A48 100%);
            color: #fff;
            padding: 56px 0 72px;
            position: relative;
            overflow: hidden;
            min-height: 20vh;
            display: flex;
            align-items: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: rgba(197, 168, 120, 0.15);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: rgba(232, 217, 181, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .category-hero h1 {
            font-size: 40px;
            font-weight: 700;
            margin-bottom: 14px;
            line-height: 1.3;
            letter-spacing: 0.02em;
            color: #fff;
        }
        .category-hero .hero-sub {
            font-size: 18px;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.82);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .category-hero .hero-tag {
            display: inline-block;
            background: rgba(197, 168, 120, 0.25);
            color: var(--gc-light);
            font-size: 13px;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 18px;
            letter-spacing: 0.05em;
        }
        /* ===== section common ===== */
        .section {
            padding: var(--section-pad) 0;
        }
        .section-alt {
            background: #FFFFFF;
        }
        .section-dark {
            background: var(--mc-deep);
            color: #fff;
        }
        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-head .section-tag {
            display: inline-block;
            background: var(--gc-light);
            color: var(--mc-deep);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
            letter-spacing: 0.06em;
        }
        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--mc-deep);
            margin-bottom: 12px;
            line-height: 1.35;
        }
        .section-head .section-desc {
            font-size: 16px;
            color: var(--text-aux);
            max-width: 680px;
            margin: 0 auto;
            line-height: 1.8;
        }
        .section-head.left-align {
            text-align: left;
            margin-bottom: 36px;
        }
        .section-head.left-align .section-desc {
            margin: 0;
        }
        /* ===== intro section ===== */
        .intro-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .intro-text h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--mc-deep);
            margin-bottom: 18px;
            line-height: 1.4;
        }
        .intro-text p {
            color: var(--text-aux);
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 16px;
        }
        .intro-text p:last-child {
            margin-bottom: 0;
        }
        .intro-image {
            border-radius: var(--radius-img);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            aspect-ratio: 4/3;
            background: var(--gc-light);
        }
        .intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        /* ===== cards grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-grid);
        }
        .card-grid.two-col {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-grid.four-col {
            grid-template-columns: repeat(4, 1fr);
        }
        .info-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: var(--border-warm);
            box-shadow: var(--shadow-card);
            padding: 28px 24px;
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .info-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--gc-sand);
        }
        .info-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--gc-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            font-size: 22px;
            color: var(--mc-deep);
            font-weight: 700;
            flex-shrink: 0;
        }
        .info-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--mc-deep);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .info-card p {
            font-size: 15px;
            color: var(--text-aux);
            line-height: 1.8;
            margin-bottom: 0;
            flex-grow: 1;
        }
        .info-card .card-link {
            margin-top: 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--mc-deep);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .info-card .card-link:hover {
            color: var(--gc-sand);
        }
        /* ===== steps ===== */
        .steps-list {
            list-style: none;
            padding: 0;
            margin: 0;
            counter-reset: step;
        }
        .steps-list li {
            counter-increment: step;
            display: flex;
            gap: 20px;
            align-items: flex-start;
            margin-bottom: 28px;
            position: relative;
            padding-bottom: 0;
        }
        .steps-list li:last-child {
            margin-bottom: 0;
        }
        .steps-list li::before {
            content: counter(step, decimal-leading-zero);
            font-size: 14px;
            font-weight: 700;
            color: var(--mc-deep);
            background: var(--gc-light);
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            letter-spacing: 0.03em;
        }
        .steps-list li .step-content h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--mc-deep);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .steps-list li .step-content p {
            font-size: 15px;
            color: var(--text-aux);
            line-height: 1.8;
            margin-bottom: 0;
        }
        /* ===== data strip ===== */
        .data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .data-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(232, 217, 181, 0.2);
            border-radius: var(--radius-card);
            padding: 28px 20px;
            transition: background var(--transition);
        }
        .data-item:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .data-item .data-number {
            font-size: 34px;
            font-weight: 700;
            color: var(--gc-sand);
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .data-item .data-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.04em;
        }
        /* ===== risk block ===== */
        .risk-block {
            background: var(--mc-deep);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 36px;
            align-items: center;
            color: #fff;
        }
        .risk-block h2 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .risk-block p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 600px;
        }
        .risk-block .btn {
            flex-shrink: 0;
        }
        .btn-gold {
            background: var(--gc-sand);
            color: var(--mc-deep);
            border: 2px solid var(--gc-sand);
        }
        .btn-gold:hover {
            background: transparent;
            color: #fff;
            border-color: #fff;
            transform: translateY(-1px);
        }
        /* ===== resource list ===== */
        .resource-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .resource-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: #fff;
            border: var(--border-warm);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px 24px;
            transition: all var(--transition);
        }
        .resource-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: var(--gc-sand);
        }
        .resource-item .resource-icon {
            width: 46px;
            height: 46px;
            border-radius: 10px;
            background: var(--gc-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            color: var(--mc-deep);
            flex-shrink: 0;
        }
        .resource-item .resource-info {
            flex-grow: 1;
        }
        .resource-item .resource-info h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--mc-deep);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .resource-item .resource-info p {
            font-size: 14px;
            color: var(--text-aux);
            margin-bottom: 0;
            line-height: 1.6;
        }
        .resource-item .resource-tag {
            font-size: 12px;
            background: var(--gc-light);
            color: var(--mc-deep);
            padding: 4px 12px;
            border-radius: 999px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        /* ===== news list ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .news-card {
            background: #fff;
            border: var(--border-warm);
            border-radius: var(--radius-card);
            padding: 22px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: block;
        }
        .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--gc-sand);
            color: var(--mc-deep);
        }
        .news-card .news-meta {
            font-size: 13px;
            color: var(--text-mute);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .news-card .news-meta .news-cate {
            background: var(--gc-light);
            color: var(--mc-deep);
            padding: 2px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
        }
        .news-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--mc-deep);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .news-card p {
            font-size: 14px;
            color: var(--text-aux);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .empty-state {
            text-align: center;
            padding: 60px 20px;
            font-size: 16px;
            color: var(--text-mute);
            background: #fff;
            border-radius: var(--radius-card);
            border: var(--border-warm);
        }
        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: var(--border-warm);
            border-radius: var(--radius-card);
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-hover);
        }
        .faq-question {
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--mc-deep);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            transition: color var(--transition);
            line-height: 1.5;
        }
        .faq-question:hover {
            color: var(--gc-sand);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 20px;
            font-weight: 700;
            transition: transform var(--transition);
            display: inline-block;
            line-height: 1;
            color: var(--gc-sand);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.2s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-aux);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 240px;
        }
        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--mc-deep) 0%, var(--mc-deep-2) 60%, #3F604E 100%);
            color: #fff;
            text-align: center;
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -15%;
            width: 550px;
            height: 550px;
            background: rgba(197, 168, 120, 0.12);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.4;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 640px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        /* ===== footer ===== */
        .site-footer {
            background: var(--mc-deep);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 40px;
        }
        .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand .brand-logo .logo-mark {
            background: var(--gc-sand);
            color: var(--mc-deep);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 16px;
        }
        .footer-contact {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--gc-sand);
        }
        .footer-bottom {
            border-top: 1px solid rgba(232, 217, 181, 0.2);
            padding: 18px 0 22px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        /* ===== responsive ===== */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 18px;
                margin-right: 14px;
            }
            .main-nav a {
                font-size: 14px;
            }
            .card-grid {
                gap: 20px;
            }
            .card-grid.four-col {
                grid-template-columns: repeat(2, 1fr);
            }
            .intro-wrap {
                gap: 32px;
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .risk-block {
                padding: 36px 28px;
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding-left: var(--padding-tablet);
                padding-right: var(--padding-tablet);
            }
            .hamburger {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: var(--bg-warm);
                flex-direction: column;
                gap: 0;
                padding: 100px 32px 32px;
                margin: 0;
                transition: right 0.35s ease;
                border-left: 1px solid var(--gc-light);
                box-shadow: -8px 0 24px rgba(38, 52, 45, 0.12);
                z-index: 1000;
                overflow-y: auto;
            }
            .main-nav.open {
                right: 0;
            }
            .main-nav a {
                font-size: 17px;
                padding: 14px 0;
                display: block;
                width: 100%;
                border-bottom: 1px solid rgba(232, 217, 181, 0.4);
            }
            .main-nav a::after {
                display: none;
            }
            .main-nav a.active {
                color: var(--gc-sand);
            }
            .nav-cta {
                margin-left: auto;
            }
            .nav-cta .btn {
                padding: 8px 16px;
                font-size: 13px;
            }
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .category-hero {
                padding: 44px 0 56px;
                min-height: auto;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero .hero-sub {
                font-size: 16px;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .intro-wrap {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .card-grid,
            .card-grid.two-col,
            .card-grid.four-col {
                grid-template-columns: 1fr;
                gap: var(--gap-grid-mobile);
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .data-item {
                padding: 20px 14px;
            }
            .data-item .data-number {
                font-size: 26px;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .risk-block {
                padding: 28px 22px;
            }
            .risk-block h2 {
                font-size: 20px;
            }
            .cta-section {
                padding: 52px 0;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .resource-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 16px 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                margin-bottom: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: var(--padding-mobile);
                padding-right: var(--padding-mobile);
            }
            .brand-logo {
                font-size: 18px;
            }
            .brand-logo .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 15px;
                border-radius: 8px;
            }
            .nav-cta .btn {
                padding: 7px 14px;
                font-size: 12px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .section-head h2 {
                font-size: 21px;
            }
            .data-strip {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .steps-list li {
                gap: 14px;
            }
            .steps-list li::before {
                width: 36px;
                height: 36px;
                font-size: 12px;
                border-radius: 10px;
            }
            .faq-question {
                padding: 14px 18px;
                font-size: 15px;
            }
            .faq-answer-inner {
                padding: 0 18px 16px;
                font-size: 14px;
            }
        }
        @media (min-width: 769px) {
            .main-nav {
                position: static;
                flex-direction: row;
                background: none;
                padding: 0;
                border: none;
                box-shadow: none;
                height: auto;
                width: auto;
                overflow: visible;
            }
        }