/* roulang page: index */
:root {
            --c-primary: #6B3F23;
            --c-primary-deep: #5A3520;
            --c-secondary: #4F6747;
            --c-accent: #C2853B;
            --c-accent-deep: #A9722A;
            --c-bg: #FAF6EF;
            --c-dark: #2A1C12;
            --c-border: #E3D7C8;
            --c-text: #3A2E24;
            --c-text-light: #8A7A68;
            --c-white: #F9F5EC;
            --c-muted: #C9BBA8;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-xs: 4px;
            --shadow-card: 0 1px 3px rgba(42,28,18,0.06), 0 1px 2px rgba(42,28,18,0.04);
            --shadow-card-hover: 0 6px 16px rgba(42,28,18,0.10);
            --shadow-nav: 0 2px 8px rgba(42,28,18,0.08);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-num: 'Inter', 'Roboto', system-ui, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --section-space: 72px;
        }
        *,
        *::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: 1.7;
            color: var(--c-text);
            background-color: var(--c-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--c-primary);
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background var(--transition);
        }
        a:hover {
            color: var(--c-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--c-accent);
            outline-offset: 2px;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        .section {
            padding: var(--section-space) 0;
        }
        .section-alt {
            background-color: rgba(107, 63, 35, 0.03);
        }
        .section-deep {
            background-color: var(--c-dark);
            color: var(--c-white);
        }
        .section-title-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 28px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .section-title {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--c-dark);
        }
        .section-title::before {
            content: '';
            display: inline-block;
            width: 8px;
            height: 22px;
            background: var(--c-accent);
            border-radius: 2px;
            flex-shrink: 0;
        }
        .section-index {
            font-size: 14px;
            font-weight: 500;
            color: var(--c-accent);
            font-family: var(--font-num);
            letter-spacing: 0.05em;
        }
        .view-more {
            color: var(--c-primary);
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition);
        }
        .view-more:hover {
            color: var(--c-accent);
        }
        .view-more::after {
            content: '→';
            font-size: 16px;
            line-height: 1;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .btn-primary {
            background-color: var(--c-primary);
            color: var(--c-white);
        }
        .btn-primary:hover {
            background-color: var(--c-primary-deep);
            color: var(--c-white);
            transform: translateY(-1px);
            box-shadow: 0 4px 10px rgba(107, 63, 35, 0.18);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--c-primary);
            border-color: var(--c-border);
        }
        .btn-secondary:hover {
            border-color: var(--c-primary);
            background-color: rgba(79, 103, 71, 0.05);
            color: var(--c-primary);
        }
        .btn-accent {
            background-color: var(--c-accent);
            color: var(--c-white);
        }
        .btn-accent:hover {
            background-color: var(--c-accent-deep);
            color: var(--c-white);
            transform: translateY(-1px);
            box-shadow: 0 4px 10px rgba(194, 133, 59, 0.22);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }
        .btn-lg {
            padding: 14px 28px;
            font-size: 15px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 10px;
            font-size: 13px;
            font-weight: 500;
            border-radius: var(--radius-xs);
            line-height: 1.4;
            white-space: nowrap;
        }
        .badge-cat {
            background-color: rgba(79, 103, 71, 0.10);
            color: var(--c-secondary);
        }
        .badge-status {
            background-color: rgba(194, 133, 59, 0.10);
            color: var(--c-accent-deep);
        }
        .badge-auth {
            background-color: rgba(107, 63, 35, 0.10);
            color: var(--c-primary);
        }
        .img-placeholder {
            border-radius: var(--radius-md);
            overflow: hidden;
            background: rgba(107, 63, 35, 0.05);
            border: 1px solid var(--c-border);
            position: relative;
        }
        .img-placeholder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .card {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--c-border);
            transition: all var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--c-primary);
            transform: translateY(-2px);
        }
        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--c-bg);
            border-bottom: 1px solid var(--c-border);
            height: 64px;
            transition: box-shadow var(--transition);
        }
        .site-header.sticky-active {
            box-shadow: var(--shadow-nav);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 24px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--c-primary);
            color: var(--c-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .brand-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--c-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--c-text);
            border-bottom: 3px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--c-primary);
            border-bottom-color: var(--c-accent);
        }
        .nav-links a.active {
            color: var(--c-primary);
            border-bottom-color: var(--c-accent);
            font-weight: 600;
        }
        .nav-cta {
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--c-border);
            align-items: center;
            justify-content: center;
            color: var(--c-primary);
            font-size: 20px;
            background: #fff;
            flex-shrink: 0;
        }
        .drawer {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--c-bg);
            z-index: 99;
            padding: 24px;
            flex-direction: column;
            gap: 4px;
            border-top: 1px solid var(--c-border);
            overflow-y: auto;
        }
        .drawer.open {
            display: flex;
        }
        .drawer a {
            display: block;
            padding: 12px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--c-text);
            border-radius: var(--radius-sm);
            border-left: 3px solid transparent;
        }
        .drawer a.active {
            color: var(--c-primary);
            border-left-color: var(--c-accent);
            background: rgba(107, 63, 35, 0.04);
        }
        .drawer a:hover {
            background: rgba(107, 63, 35, 0.04);
            color: var(--c-primary);
        }
        .drawer .btn {
            margin-top: 12px;
        }
        /* Announcement Bar */
        .announce-bar {
            background: rgba(107, 63, 35, 0.06);
            border-bottom: 1px solid var(--c-border);
            height: 40px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .announce-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
            width: 100%;
            position: relative;
        }
        .announce-badge {
            display: inline-flex;
            align-items: center;
            flex-shrink: 0;
            padding: 2px 10px;
            font-size: 12px;
            font-weight: 600;
            background: var(--c-primary);
            color: var(--c-white);
            border-radius: var(--radius-xs);
        }
        .announce-text {
            flex: 1;
            font-size: 13px;
            color: var(--c-text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .announce-close {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-text-light);
            font-size: 16px;
            border-radius: 50%;
            transition: background var(--transition);
        }
        .announce-close:hover {
            background: rgba(42, 28, 18, 0.08);
            color: var(--c-text);
        }
        /* Hero */
        .hero {
            padding: 60px 0 72px;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: rgba(107, 63, 35, 0.04);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-content {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 500;
            background: rgba(79, 103, 71, 0.10);
            color: var(--c-secondary);
            border-radius: 999px;
            width: fit-content;
        }
        .hero-tag::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--c-accent);
        }
        .hero h1 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--c-dark);
            letter-spacing: 0.01em;
        }
        .hero-sub {
            font-size: 16px;
            color: var(--c-text-light);
            line-height: 1.7;
            max-width: 480px;
        }
        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .hero-trust {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--c-text-light);
            flex-wrap: wrap;
        }
        .hero-trust span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .hero-trust .num {
            font-family: var(--font-num);
            font-size: 20px;
            font-weight: 700;
            color: var(--c-accent);
        }
        .hero-visual {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-card-stack {
            position: relative;
            width: 100%;
            max-width: 520px;
            height: 360px;
        }
        .hero-mini-card {
            position: absolute;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--c-border);
            padding: 18px 20px;
            transition: all var(--transition);
            width: 260px;
        }
        .hero-mini-card:nth-child(1) {
            top: 0;
            left: 0;
            transform: rotate(-2deg);
            z-index: 1;
        }
        .hero-mini-card:nth-child(2) {
            top: 40px;
            right: 20px;
            transform: rotate(1.5deg);
            z-index: 2;
            width: 240px;
        }
        .hero-mini-card:nth-child(3) {
            bottom: 0;
            left: 40px;
            transform: rotate(-1deg);
            z-index: 3;
            width: 250px;
        }
        .hero-mini-card:hover {
            transform: rotate(0deg) translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            z-index: 5;
        }
        .hero-mini-card .mc-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--c-dark);
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 6px;
        }
        .hero-mini-card .mc-desc {
            font-size: 13px;
            color: var(--c-text-light);
            line-height: 1.5;
        }
        .hero-mini-card .mc-tags {
            display: flex;
            gap: 6px;
            margin-top: 10px;
            flex-wrap: wrap;
        }
        .hero-mini-card .mc-tags .badge {
            font-size: 11px;
            padding: 2px 8px;
        }
        .mini-chart {
            position: absolute;
            bottom: -20px;
            right: -10px;
            width: 90px;
            height: 70px;
            border-radius: var(--radius-sm);
            background: rgba(194, 133, 59, 0.12);
            display: flex;
            align-items: flex-end;
            gap: 4px;
            padding: 10px;
            z-index: 4;
        }
        .mini-chart span {
            flex: 1;
            background: var(--c-accent);
            border-radius: 3px 3px 0 0;
            opacity: 0.8;
            transition: opacity var(--transition);
        }
        .mini-chart span:hover {
            opacity: 1;
        }
        /* Business Matrix */
        .matrix-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .matrix-main-card {
            grid-row: span 2;
            background: var(--c-dark);
            color: var(--c-white);
            border-radius: var(--radius-lg);
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-height: 380px;
            position: relative;
            overflow: hidden;
        }
        .matrix-main-card::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(194, 133, 59, 0.15);
            border-radius: 50%;
            pointer-events: none;
        }
        .matrix-main-card .mmc-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--c-white);
            position: relative;
            z-index: 1;
        }
        .matrix-main-card .mmc-desc {
            font-size: 15px;
            color: var(--c-muted);
            line-height: 1.7;
            position: relative;
            z-index: 1;
            max-width: 320px;
        }
        .matrix-main-card .mmc-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--c-accent);
            font-weight: 600;
            position: relative;
            z-index: 1;
        }
        .matrix-main-card .mmc-link:hover {
            color: var(--c-white);
        }
        .matrix-small-cards {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .matrix-sm-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--c-border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 8px;
            cursor: pointer;
        }
        .matrix-sm-card:hover {
            border-color: var(--c-primary);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .matrix-sm-card .icon-box {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: rgba(79, 103, 71, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-secondary);
            font-size: 18px;
        }
        .matrix-sm-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--c-dark);
        }
        .matrix-sm-card p {
            font-size: 13px;
            color: var(--c-text-light);
            line-height: 1.5;
        }
        .matrix-sm-card .arrow {
            align-self: flex-end;
            color: var(--c-text-light);
            font-size: 18px;
            transition: color var(--transition);
        }
        .matrix-sm-card:hover .arrow {
            color: var(--c-accent);
        }
        /* Stats Band */
        .stats-band {
            background: var(--c-dark);
            border-radius: var(--radius-lg);
            padding: 36px 24px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            color: var(--c-white);
        }
        .stat-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 6px;
        }
        .stat-num {
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 700;
            color: var(--c-accent);
        }
        .stat-line {
            width: 32px;
            height: 2px;
            background: var(--c-primary);
        }
        .stat-label {
            font-size: 14px;
            color: var(--c-muted);
        }
        /* CMS List */
        .card-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .card-list-item {
            display: flex;
            gap: 20px;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 18px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--c-border);
            transition: all var(--transition);
            border-left: 3px solid transparent;
        }
        .card-list-item:hover {
            border-left-color: var(--c-accent);
            border-color: var(--c-primary);
            box-shadow: var(--shadow-card-hover);
        }
        .card-list-item .thumb {
            width: 100px;
            height: 100px;
            flex-shrink: 0;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: rgba(107, 63, 35, 0.05);
            border: 1px solid var(--c-border);
        }
        .card-list-item .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .card-list-item .content {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
            min-width: 0;
        }
        .card-list-item .content-top {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }
        .card-list-item .item-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--c-dark);
            line-height: 1.4;
        }
        .card-list-item .item-summary {
            font-size: 14px;
            color: var(--c-text-light);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-list-item .item-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--c-text-light);
        }
        .card-list-item .item-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--c-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .card-list-item .item-link:hover {
            color: var(--c-accent);
        }
        .empty-state {
            text-align: center;
            padding: 40px 20px;
            border: 1px dashed var(--c-border);
            border-radius: var(--radius-md);
            background: var(--c-bg);
            color: var(--c-text-light);
            font-size: 14px;
        }
        /* Scenarios */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .scenario-card {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--c-border);
            overflow: hidden;
            transition: all var(--transition);
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--c-primary);
            transform: translateY(-2px);
        }
        .scenario-card .img-wrap {
            height: 140px;
            overflow: hidden;
        }
        .scenario-card .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .scenario-card .sc-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .scenario-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--c-dark);
        }
        .scenario-card ul {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .scenario-card ul li {
            font-size: 13px;
            color: var(--c-text-light);
            padding-left: 16px;
            position: relative;
        }
        .scenario-card ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--c-accent);
        }
        /* Special Report */
        .report-layout {
            display: grid;
            grid-template-columns: 3fr 2fr;
            gap: 24px;
        }
        .report-main {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--c-border);
            overflow: hidden;
            transition: all var(--transition);
            cursor: pointer;
        }
        .report-main:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--c-primary);
        }
        .report-main .img-wrap {
            height: 220px;
            overflow: hidden;
        }
        .report-main .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .report-main .rb-body {
            padding: 20px 24px;
        }
        .report-main h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--c-dark);
        }
        .report-main p {
            font-size: 14px;
            color: var(--c-text-light);
            margin-top: 8px;
        }
        .report-side {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .report-side-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 16px 18px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--c-border);
            transition: all var(--transition);
            cursor: pointer;
        }
        .report-side-item:hover {
            border-color: var(--c-primary);
            box-shadow: var(--shadow-card-hover);
        }
        .report-side-item h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--c-dark);
        }
        .report-side-item .meta {
            font-size: 13px;
            color: var(--c-text-light);
            margin-top: 4px;
            display: flex;
            gap: 8px;
        }
        /* Supply-Demand Panel */
        .sd-panel {
            display: grid;
            grid-template-columns: 3fr 2fr;
            gap: 24px;
        }
        .sd-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .sd-list-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 14px 18px;
            display: flex;
            align-items: center;
            gap: 12px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--c-border);
            transition: all var(--transition);
        }
        .sd-list-item:hover {
            border-color: var(--c-primary);
        }
        .sd-tag {
            flex-shrink: 0;
            padding: 3px 10px;
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-xs);
        }
        .sd-tag.supply {
            background: rgba(79, 103, 71, 0.12);
            color: var(--c-secondary);
        }
        .sd-tag.demand {
            background: rgba(194, 133, 59, 0.12);
            color: var(--c-accent-deep);
        }
        .sd-item-content {
            flex: 1;
            min-width: 0;
        }
        .sd-item-content .title {
            font-size: 14px;
            font-weight: 500;
            color: var(--c-dark);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .sd-item-content .meta {
            font-size: 12px;
            color: var(--c-text-light);
        }
        .sd-form-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--c-border);
            background-color: rgba(107, 63, 35, 0.03);
            position: relative;
        }
        .sd-form-card .form-tag {
            position: absolute;
            top: -10px;
            left: 16px;
            padding: 2px 12px;
            font-size: 12px;
            font-weight: 600;
            background: var(--c-primary);
            color: var(--c-white);
            border-radius: var(--radius-xs);
        }
        .sd-form-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--c-dark);
            margin-bottom: 14px;
        }
        .form-group {
            margin-bottom: 12px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--c-text);
            margin-bottom: 4px;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 10px 14px;
            font-size: 14px;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-sm);
            background: #fff;
            color: var(--c-text);
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--c-accent);
            box-shadow: 0 0 0 3px rgba(194, 133, 59, 0.15);
            outline: none;
        }
        .form-group textarea {
            resize: vertical;
            min-height: 80px;
        }
        /* Service Flow */
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            position: relative;
        }
        .flow-steps::before {
            content: '';
            position: absolute;
            top: 28px;
            left: 12%;
            right: 12%;
            height: 1px;
            border-top: 2px dashed var(--c-border);
            z-index: 0;
        }
        .flow-step {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 10px;
            position: relative;
            z-index: 1;
            padding: 0 12px;
        }
        .flow-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #fff;
            border: 2px solid var(--c-primary);
            color: var(--c-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-num);
            font-size: 18px;
            font-weight: 700;
            transition: all var(--transition);
        }
        .flow-step:hover .flow-num {
            background: var(--c-primary);
            color: var(--c-white);
            transform: scale(1.05);
        }
        .flow-step h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--c-dark);
        }
        .flow-step p {
            font-size: 13px;
            color: var(--c-text-light);
            line-height: 1.5;
        }
        /* Case Cards */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .case-card {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--c-border);
            overflow: hidden;
            transition: all var(--transition);
        }
        .case-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--c-primary);
            transform: translateY(-2px);
        }
        .case-card .img-wrap {
            height: 150px;
            overflow: hidden;
        }
        .case-card .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .case-card .cc-body {
            padding: 16px 18px 18px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .case-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--c-dark);
        }
        .case-card p {
            font-size: 13px;
            color: var(--c-text-light);
            line-height: 1.5;
        }
        .case-card .tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-top: 4px;
        }
        .case-card .read-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--c-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .case-card .read-link:hover {
            color: var(--c-accent);
        }
        /* Data Observatory */
        .data-layout {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 24px;
            align-items: stretch;
        }
        .data-chart-wrap {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--c-border);
            padding: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 240px;
            position: relative;
        }
        .data-chart-wrap .chart-ring {
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: conic-gradient(var(--c-accent) 0% 35%, var(--c-secondary) 35% 62%, var(--c-primary) 62% 82%, var(--c-border) 82% 100%);
            position: relative;
        }
        .data-chart-wrap .chart-ring::after {
            content: '';
            position: absolute;
            top: 28px;
            left: 28px;
            right: 28px;
            bottom: 28px;
            background: var(--c-dark);
            border-radius: 50%;
        }
        .data-chart-wrap .chart-label {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            color: var(--c-white);
            font-size: 14px;
            font-weight: 600;
            text-align: center;
        }
        .data-brief-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .data-brief-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 14px 18px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--c-border);
            display: flex;
            align-items: center;
            gap: 12px;
            transition: all var(--transition);
            cursor: pointer;
        }
        .data-brief-item:hover {
            border-color: var(--c-primary);
        }
        .data-brief-item .brief-icon {
            width: 32px;
            height: 32px;
            border-radius: var(--radius-sm);
            background: rgba(79, 103, 71, 0.10);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-secondary);
            font-size: 14px;
            flex-shrink: 0;
        }
        .data-brief-item .brief-content {
            flex: 1;
            min-width: 0;
        }
        .data-brief-item .brief-title {
            font-size: 14px;
            font-weight: 500;
            color: var(--c-dark);
        }
        .data-brief-item .brief-meta {
            font-size: 12px;
            color: var(--c-text-light);
        }
        /* Testimonials */
        .testimonial-layout {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .brand-wall {
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
            font-size: 14px;
            color: var(--c-text-light);
        }
        .brand-wall span {
            white-space: nowrap;
            font-weight: 500;
            letter-spacing: 0.03em;
        }
        .testimonial-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--c-border);
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .testimonial-card .t-text {
            font-size: 14px;
            color: var(--c-text);
            line-height: 1.7;
        }
        .testimonial-card .t-author {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 14px;
        }
        .testimonial-card .t-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--c-primary);
            color: var(--c-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
            flex-shrink: 0;
        }
        .testimonial-card .t-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--c-dark);
        }
        .testimonial-card .t-company {
            font-size: 12px;
            color: var(--c-text-light);
        }
        /* CTA Subscribe */
        .cta-section {
            background: var(--c-primary);
            color: var(--c-white);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 16px;
        }
        .cta-section h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--c-white);
        }
        .cta-section p {
            font-size: 15px;
            color: var(--c-muted);
            max-width: 480px;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 440px;
            width: 100%;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 16px;
            font-size: 14px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.10);
            color: var(--c-white);
            transition: border-color var(--transition), background var(--transition);
        }
        .cta-form input::placeholder {
            color: var(--c-muted);
        }
        .cta-form input:focus {
            border-color: var(--c-accent);
            background: rgba(255, 255, 255, 0.15);
            outline: none;
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--c-border);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item.open {
            border-left: 3px solid var(--c-primary);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--c-dark);
            transition: background var(--transition);
            user-select: none;
        }
        .faq-question:hover {
            background: rgba(107, 63, 35, 0.04);
        }
        .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 4px;
            background: rgba(107, 63, 35, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--c-primary);
            flex-shrink: 0;
            transition: transform var(--transition);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition);
            background: #fff;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 20px 18px 56px;
            font-size: 14px;
            color: var(--c-text-light);
            line-height: 1.7;
        }
        /* Partner Cells */
        .partner-cells {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 12px;
        }
        .partner-cell {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-sm);
            padding: 20px 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 500;
            color: var(--c-text-light);
            transition: all var(--transition);
            min-height: 60px;
            text-align: center;
        }
        .partner-cell:hover {
            border-color: var(--c-primary);
            color: var(--c-primary);
            box-shadow: var(--shadow-card);
        }
        /* Contact Section */
        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 20px;
            padding: 24px;
        }
        .contact-info h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--c-dark);
        }
        .contact-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 15px;
            color: var(--c-text);
        }
        .contact-item .icon-box {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: rgba(107, 63, 35, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-primary);
            flex-shrink: 0;
        }
        .contact-form-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--c-border);
        }
        .contact-form-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--c-dark);
            margin-bottom: 18px;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        /* Footer */
        .site-footer {
            background: var(--c-dark);
            color: var(--c-white);
            padding: 48px 0 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            padding-bottom: 32px;
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--c-white);
            margin-bottom: 10px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--c-muted);
            line-height: 1.7;
        }
        .footer-brand .contact-line {
            font-size: 13px;
            color: var(--c-muted);
            margin-top: 10px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--c-white);
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--c-muted);
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--c-accent);
        }
        .footer-sub {
            display: flex;
            gap: 8px;
            margin-top: 10px;
        }
        .footer-sub input {
            flex: 1;
            padding: 10px 14px;
            font-size: 13px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.08);
            color: var(--c-white);
        }
        .footer-sub input::placeholder {
            color: var(--c-muted);
        }
        .footer-sub input:focus {
            border-color: var(--c-accent);
            outline: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            padding: 16px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--c-muted);
        }
        .footer-bottom .brand-name {
            color: var(--c-white);
            font-weight: 600;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-visual {
                min-height: 300px;
            }
            .hero-card-stack {
                max-width: 100%;
                height: 300px;
            }
            .matrix-grid {
                grid-template-columns: 1fr;
            }
            .matrix-main-card {
                min-height: 280px;
            }
            .stats-band {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .partner-cells {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .report-layout {
                grid-template-columns: 1fr;
            }
            .sd-panel {
                grid-template-columns: 1fr;
            }
            .data-layout {
                grid-template-columns: 1fr;
            }
            .contact-layout {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 767px) {
            :root {
                --section-space: 40px;
            }
            .container {
                padding: 0 16px;
            }
            .section-title {
                font-size: 22px;
            }
            .nav-links {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .hero {
                padding: 40px 0 48px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-trust {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .hero-visual {
                min-height: 260px;
            }
            .hero-card-stack {
                height: 260px;
            }
            .hero-mini-card {
                width: 200px;
                padding: 14px 16px;
                font-size: 13px;
            }
            .hero-mini-card:nth-child(2) {
                width: 180px;
                right: 10px;
            }
            .hero-mini-card:nth-child(3) {
                width: 190px;
                left: 20px;
            }
            .matrix-small-cards {
                grid-template-columns: 1fr;
            }
            .stats-band {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
                padding: 24px 16px;
            }
            .stat-num {
                font-size: 24px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .flow-steps {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .flow-steps::before {
                display: none;
            }
            .testimonial-cards {
                grid-template-columns: 1fr;
            }
            .partner-cells {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .card-list-item {
                flex-direction: column;
            }
            .card-list-item .thumb {
                width: 100%;
                height: 160px;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .matrix-main-card {
                padding: 24px;
                min-height: 220px;
            }
            .announce-text {
                font-size: 12px;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 24px;
            }
            .section-title {
                font-size: 20px;
            }
            .btn {
                width: 100%;
            }
            .stats-band {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .partner-cells {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .hero-mini-card {
                width: 160px;
                padding: 10px 14px;
            }
            .hero-mini-card:nth-child(2) {
                width: 150px;
                right: 0;
            }
            .hero-mini-card:nth-child(3) {
                width: 155px;
                left: 10px;
            }
            .sd-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

/* roulang page: article */
:root {
            --c-primary: #6B3F23;
            --c-primary-deep: #5A3520;
            --c-secondary: #4F6747;
            --c-accent: #C2853B;
            --c-accent-deep: #A9722A;
            --c-bg: #FAF6EF;
            --c-dark: #2A1C12;
            --c-border: #E3D7C8;
            --c-text: #3A2E24;
            --c-text-light: #8A7A68;
            --c-white: #F9F5EC;
            --c-muted: #C9BBA8;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-xs: 4px;
            --shadow-card: 0 1px 3px rgba(42,28,18,0.06), 0 1px 2px rgba(42,28,18,0.04);
            --shadow-card-hover: 0 6px 16px rgba(42,28,18,0.10);
            --shadow-nav: 0 2px 8px rgba(42,28,18,0.08);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-num: 'Inter', 'Roboto', system-ui, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --section-space: 72px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--c-text);
            background-color: var(--c-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--c-primary);
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background var(--transition);
        }
        a:hover {
            color: var(--c-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--c-accent);
            outline-offset: 2px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--section-space) 0;
        }
        .section-alt {
            background-color: rgba(107, 63, 35, 0.03);
        }
        .section-deep {
            background-color: var(--c-dark);
            color: var(--c-white);
        }
        .section-title-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 28px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .section-title {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--c-dark);
        }
        .section-title::before {
            content: '';
            display: inline-block;
            width: 8px;
            height: 22px;
            background: var(--c-accent);
            border-radius: 2px;
            flex-shrink: 0;
        }
        .section-index {
            font-size: 14px;
            font-weight: 500;
            color: var(--c-accent);
            font-family: var(--font-num);
            letter-spacing: 0.05em;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .btn-primary {
            background-color: var(--c-primary);
            color: var(--c-white);
        }
        .btn-primary:hover {
            background-color: var(--c-primary-deep);
            color: var(--c-white);
            transform: translateY(-1px);
            box-shadow: 0 4px 10px rgba(107, 63, 35, 0.18);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--c-primary);
            border-color: var(--c-border);
        }
        .btn-secondary:hover {
            border-color: var(--c-primary);
            background-color: rgba(79, 103, 71, 0.05);
            color: var(--c-primary);
        }
        .btn-accent {
            background-color: var(--c-accent);
            color: var(--c-white);
        }
        .btn-accent:hover {
            background-color: var(--c-accent-deep);
            color: var(--c-white);
            transform: translateY(-1px);
            box-shadow: 0 4px 10px rgba(194, 133, 59, 0.22);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }
        .btn-lg {
            padding: 14px 28px;
            font-size: 15px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 10px;
            font-size: 13px;
            font-weight: 500;
            border-radius: var(--radius-xs);
            line-height: 1.4;
            white-space: nowrap;
        }
        .badge-cat {
            background-color: rgba(79, 103, 71, 0.10);
            color: var(--c-secondary);
        }
        .badge-status {
            background-color: rgba(194, 133, 59, 0.10);
            color: var(--c-accent-deep);
        }
        .badge-auth {
            background-color: rgba(107, 63, 35, 0.10);
            color: var(--c-primary);
        }
        .site-header {
            background-color: rgba(250, 246, 239, 0.96);
            border-bottom: 1px solid var(--c-border);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 64px;
            display: flex;
            align-items: center;
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: var(--c-primary);
        }
        .brand-logo {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background-color: var(--c-primary);
            color: var(--c-white);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .brand-name {
            color: var(--c-primary);
        }
        .brand:hover {
            color: var(--c-primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 24px;
        }
        .nav-links a {
            font-size: 15px;
            color: var(--c-text);
            padding: 20px 0;
            border-bottom: 3px solid transparent;
            transition: all var(--transition);
            font-weight: 500;
        }
        .nav-links a:hover {
            color: var(--c-primary);
            border-bottom-color: var(--c-accent);
        }
        .nav-links a.active {
            color: var(--c-primary);
            border-bottom-color: var(--c-accent);
            font-weight: 600;
        }
        .nav-cta {
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
            font-size: 24px;
            color: var(--c-primary);
            padding: 4px 8px;
            background: none;
            border: none;
        }
        .article-breadcrumb {
            padding: 20px 0;
            font-size: 14px;
            color: var(--c-text-light);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }
        .article-breadcrumb a {
            color: var(--c-text-light);
            transition: color var(--transition);
        }
        .article-breadcrumb a:hover {
            color: var(--c-accent);
        }
        .article-breadcrumb .sep {
            color: var(--c-muted);
            margin: 0 4px;
        }
        .article-breadcrumb .current {
            color: var(--c-text);
            font-weight: 500;
            max-width: 320px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .article-header {
            padding: 32px 0 24px;
            border-bottom: 1px solid var(--c-border);
            margin-bottom: 32px;
        }
        .article-title {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--c-dark);
            margin-bottom: 16px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 14px;
            color: var(--c-text-light);
        }
        .article-meta .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background-color: var(--c-border);
            flex-shrink: 0;
        }
        .article-body {
            font-size: 16px;
            line-height: 1.85;
            color: var(--c-text);
            max-width: 860px;
            margin: 0 auto;
        }
        .article-body h2 {
            font-size: 22px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--c-dark);
            margin: 32px 0 16px;
        }
        .article-body h3 {
            font-size: 19px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--c-dark);
            margin: 24px 0 12px;
        }
        .article-body p {
            margin-bottom: 1.5em;
        }
        .article-body blockquote {
            border-left: 4px solid var(--c-accent);
            background-color: rgba(107, 63, 35, 0.03);
            padding: 16px 20px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--c-dark);
        }
        .article-body ul,
        .article-body ol {
            padding-left: 24px;
            margin-bottom: 1.5em;
        }
        .article-body ul li {
            list-style: none;
            position: relative;
            padding-left: 14px;
            margin-bottom: 8px;
        }
        .article-body ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 11px;
            width: 6px;
            height: 6px;
            background-color: var(--c-accent);
            border-radius: 1px;
        }
        .article-body ol li {
            margin-bottom: 8px;
        }
        .article-body ol li::marker {
            color: var(--c-primary);
            font-weight: 600;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            width: 100%;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 15px;
        }
        .article-body table th,
        .article-body table td {
            border: 1px solid var(--c-border);
            padding: 10px 14px;
            text-align: left;
        }
        .article-body table th {
            background-color: rgba(107, 63, 35, 0.04);
            font-weight: 600;
            color: var(--c-dark);
        }
        .article-body a {
            color: var(--c-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover {
            color: var(--c-accent);
        }
        .article-tags {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            padding: 24px 0;
            border-top: 1px solid var(--c-border);
            margin-top: 16px;
        }
        .article-tags .tag-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--c-dark);
            margin-right: 4px;
        }
        .article-tags .badge {
            cursor: pointer;
            transition: all var(--transition);
        }
        .article-tags .badge:hover {
            background-color: rgba(194, 133, 59, 0.18);
            color: var(--c-accent-deep);
        }
        .related-section {
            padding: 40px 0;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            background-color: var(--c-white);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            cursor: pointer;
        }
        .related-card:hover {
            border-color: var(--c-primary);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .related-card .thumb {
            width: 100%;
            height: 160px;
            overflow: hidden;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
            background-color: rgba(107, 63, 35, 0.05);
            border-bottom: 1px solid var(--c-border);
        }
        .related-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .related-card .related-info {
            padding: 14px 16px;
        }
        .related-card .related-title {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--c-dark);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }
        .related-card .related-date {
            font-size: 13px;
            color: var(--c-text-light);
        }
        .article-actions {
            display: flex;
            gap: 16px;
            padding: 40px 0;
            flex-wrap: wrap;
        }
        .article-subscribe {
            background-color: rgba(107, 63, 35, 0.03);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .article-subscribe h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--c-dark);
            margin-bottom: 8px;
        }
        .article-subscribe p {
            color: var(--c-text-light);
            font-size: 14px;
            margin-bottom: 20px;
        }
        .article-subscribe .sub-form {
            display: flex;
            gap: 10px;
            max-width: 420px;
            margin: 0 auto;
        }
        .article-subscribe .sub-form input {
            flex: 1;
            padding: 10px 16px;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-sm);
            background-color: var(--c-white);
            color: var(--c-text);
            font-size: 14px;
            transition: all var(--transition);
        }
        .article-subscribe .sub-form input:focus {
            border-color: var(--c-accent);
            box-shadow: 0 0 0 3px rgba(194, 133, 59, 0.15);
            outline: none;
        }
        .comment-section {
            padding: 40px 0;
        }
        .comment-empty {
            background-color: rgba(107, 63, 35, 0.03);
            border: 1px dashed var(--c-border);
            border-radius: var(--radius-md);
            padding: 48px 24px;
            text-align: center;
            color: var(--c-text-light);
            font-size: 15px;
        }
        .comment-empty .icon {
            font-size: 28px;
            margin-bottom: 12px;
            color: var(--c-muted);
        }
        .site-footer {
            background-color: var(--c-dark);
            color: var(--c-white);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--c-white);
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--c-muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .contact-line {
            font-size: 14px;
            color: var(--c-muted);
            margin-bottom: 4px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--c-white);
            margin-bottom: 12px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--c-muted);
            margin-bottom: 8px;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--c-accent);
        }
        .footer-sub {
            display: flex;
            gap: 8px;
        }
        .footer-sub input {
            flex: 1;
            min-width: 0;
            padding: 8px 12px;
            border: 1px solid rgba(201, 187, 168, 0.3);
            border-radius: var(--radius-sm);
            background-color: rgba(249, 245, 236, 0.08);
            color: var(--c-white);
            font-size: 13px;
        }
        .footer-sub input::placeholder {
            color: var(--c-muted);
        }
        .footer-sub input:focus {
            border-color: var(--c-accent);
            outline: none;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            padding-top: 20px;
            border-top: 1px solid rgba(201, 187, 168, 0.15);
            font-size: 13px;
            color: var(--c-muted);
        }
        .footer-bottom .brand-name {
            color: var(--c-white);
            font-weight: 600;
        }
        .article-not-found {
            text-align: center;
            padding: 80px 0;
        }
        .article-not-found h2 {
            font-size: 24px;
            color: var(--c-dark);
            margin-bottom: 16px;
        }
        .article-not-found p {
            color: var(--c-text-light);
            margin-bottom: 24px;
        }
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .section {
                padding: 56px 0;
            }
            :root {
                --section-space: 56px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background-color: var(--c-bg);
                flex-direction: column;
                padding: 16px 24px;
                border-bottom: 1px solid var(--c-border);
                box-shadow: var(--shadow-nav);
                gap: 0;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 0;
                border-bottom: 1px solid rgba(227, 215, 200, 0.4);
                font-size: 16px;
            }
            .nav-links a.active {
                border-bottom-color: var(--c-accent);
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .article-title {
                font-size: 28px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .article-actions {
                flex-direction: column;
            }
            .article-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .article-subscribe .sub-form {
                flex-direction: column;
                max-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .article-breadcrumb .current {
                max-width: 200px;
            }
        }
        @media (max-width: 480px) {
            .article-title {
                font-size: 24px;
            }
            .article-body {
                font-size: 15px;
            }
            .article-body h2 {
                font-size: 19px;
            }
            .article-body h3 {
                font-size: 17px;
            }
            .section-title {
                font-size: 22px;
            }
            .article-meta {
                font-size: 13px;
            }
        }

/* roulang page: category1 */
:root {
            --c-primary: #6B3F23;
            --c-primary-deep: #5A3520;
            --c-secondary: #4F6747;
            --c-accent: #C2853B;
            --c-accent-deep: #A9722A;
            --c-bg: #FAF6EF;
            --c-dark: #2A1C12;
            --c-border: #E3D7C8;
            --c-text: #3A2E24;
            --c-text-light: #8A7A68;
            --c-white: #F9F5EC;
            --c-muted: #C9BBA8;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-xs: 4px;
            --shadow-card: 0 1px 3px rgba(42,28,18,0.06), 0 1px 2px rgba(42,28,18,0.04);
            --shadow-card-hover: 0 6px 16px rgba(42,28,18,0.10);
            --shadow-nav: 0 2px 8px rgba(42,28,18,0.08);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-num: 'Inter', 'Roboto', system-ui, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --section-space: 72px;
        }

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

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

        a {
            color: var(--c-primary);
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background var(--transition);
        }
        a:hover {
            color: var(--c-accent);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--c-accent);
            outline-offset: 2px;
        }

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

        .section {
            padding: var(--section-space) 0;
        }
        .section-alt {
            background-color: rgba(107, 63, 35, 0.03);
        }
        .section-deep {
            background-color: var(--c-dark);
            color: var(--c-white);
        }

        .section-title-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 28px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .section-title {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--c-dark);
            margin-bottom: 0;
        }
        .section-title::before {
            content: '';
            display: inline-block;
            width: 8px;
            height: 22px;
            background: var(--c-accent);
            border-radius: 2px;
            flex-shrink: 0;
        }
        .section-index {
            font-size: 14px;
            font-weight: 500;
            color: var(--c-accent);
            font-family: var(--font-num);
            letter-spacing: 0.05em;
        }
        .section-sub {
            font-size: 15px;
            color: var(--c-text-light);
            margin-top: 8px;
            line-height: 1.6;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .btn-primary {
            background-color: var(--c-primary);
            color: var(--c-white);
        }
        .btn-primary:hover {
            background-color: var(--c-primary-deep);
            color: var(--c-white);
            transform: translateY(-1px);
            box-shadow: 0 4px 10px rgba(107, 63, 35, 0.18);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--c-primary);
            border-color: var(--c-border);
        }
        .btn-secondary:hover {
            border-color: var(--c-primary);
            background-color: rgba(79, 103, 71, 0.05);
            color: var(--c-primary);
        }
        .btn-accent {
            background-color: var(--c-accent);
            color: var(--c-white);
        }
        .btn-accent:hover {
            background-color: var(--c-accent-deep);
            color: var(--c-white);
            transform: translateY(-1px);
            box-shadow: 0 4px 10px rgba(194, 133, 59, 0.22);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }
        .btn-lg {
            padding: 14px 28px;
            font-size: 15px;
        }
        .btn-outline-white {
            background-color: transparent;
            color: var(--c-white);
            border-color: rgba(249, 245, 236, 0.4);
        }
        .btn-outline-white:hover {
            border-color: var(--c-white);
            background-color: rgba(249, 245, 236, 0.06);
            color: var(--c-white);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 10px;
            font-size: 13px;
            font-weight: 500;
            border-radius: var(--radius-xs);
            line-height: 1.4;
            white-space: nowrap;
        }
        .badge-cat {
            background-color: rgba(79, 103, 71, 0.10);
            color: var(--c-secondary);
        }
        .badge-status {
            background-color: rgba(194, 133, 59, 0.10);
            color: var(--c-accent-deep);
        }
        .badge-auth {
            background-color: rgba(107, 63, 35, 0.10);
            color: var(--c-primary);
        }

        /* Site Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: var(--c-bg);
            border-bottom: 1px solid var(--c-border);
            height: 64px;
            display: flex;
            align-items: center;
        }
        .site-header.sticky-shadow {
            box-shadow: var(--shadow-nav);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--c-dark);
            flex-shrink: 0;
        }
        .brand:hover {
            color: var(--c-dark);
        }
        .brand-logo {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background-color: var(--c-primary);
            color: var(--c-white);
            font-size: 15px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .brand-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--c-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .nav-links a {
            font-size: 15px;
            color: var(--c-text);
            padding: 20px 0;
            position: relative;
            white-space: nowrap;
            font-weight: 500;
            transition: color var(--transition);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 14px;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--c-accent);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .nav-links a:hover {
            color: var(--c-primary);
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .nav-links a.active {
            color: var(--c-primary);
            font-weight: 700;
        }
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-cta {
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
            font-size: 26px;
            color: var(--c-primary);
            padding: 6px 8px;
            border-radius: var(--radius-xs);
            transition: background var(--transition);
            line-height: 1;
        }
        .nav-toggle:hover {
            background-color: rgba(107, 63, 35, 0.06);
        }

        /* Mobile Nav Drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            z-index: 999;
            background-color: var(--c-bg);
            border-bottom: 1px solid var(--c-border);
            padding: 16px 24px 24px;
            box-shadow: var(--shadow-nav);
            max-height: calc(100vh - 64px);
            overflow-y: auto;
        }
        .mobile-drawer.open {
            display: block;
        }
        .mobile-drawer .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .mobile-drawer .drawer-nav a {
            display: block;
            padding: 12px 4px;
            font-size: 16px;
            color: var(--c-text);
            border-bottom: 1px solid rgba(227, 215, 200, 0.5);
            font-weight: 500;
        }
        .mobile-drawer .drawer-nav a.active,
        .mobile-drawer .drawer-nav a:hover {
            color: var(--c-primary);
        }
        .mobile-drawer .drawer-cta {
            margin-top: 16px;
        }
        .mobile-drawer .drawer-cta .btn {
            width: 100%;
        }

        /* Breadcrumb */
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--c-text-light);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--c-text-light);
        }
        .breadcrumb-nav a:hover {
            color: var(--c-primary);
        }
        .breadcrumb-nav .separator {
            color: var(--c-muted);
            user-select: none;
        }
        .breadcrumb-nav .current {
            color: var(--c-primary);
            font-weight: 600;
        }

        /* Category Banner */
        .category-banner {
            background-color: rgba(107, 63, 35, 0.04);
            border-bottom: 1px solid var(--c-border);
            padding: 48px 0 40px;
        }
        .category-banner h1 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--c-dark);
            margin: 0 0 16px;
        }
        .category-banner .banner-desc {
            font-size: 16px;
            color: var(--c-text);
            line-height: 1.8;
            max-width: 760px;
            margin: 0;
        }

        /* Plan Grid */
        .plan-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .plan-card {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .plan-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--c-primary);
            transform: translateY(-2px);
        }
        .plan-card-img {
            height: 180px;
            background-color: rgba(107, 63, 35, 0.05);
            overflow: hidden;
            border-bottom: 1px solid var(--c-border);
            position: relative;
        }
        .plan-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .plan-card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .plan-card-header {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }
        .plan-card-title {
            font-size: 20px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--c-dark);
            margin: 0;
        }
        .plan-card-tag {
            flex-shrink: 0;
        }
        .plan-card-points {
            display: flex;
            flex-direction: column;
            gap: 6px;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .plan-card-points li {
            font-size: 14px;
            color: var(--c-text);
            padding-left: 16px;
            position: relative;
            line-height: 1.6;
        }
        .plan-card-points li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--c-accent);
        }
        .plan-card-footer {
            margin-top: auto;
            padding-top: 14px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            border-top: 1px solid rgba(227, 215, 200, 0.6);
        }

        /* Metric Bar */
        .metric-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .metric-item {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .metric-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--c-border);
            transform: translateY(-2px);
        }
        .metric-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--c-accent);
            font-family: var(--font-num);
            line-height: 1.2;
            letter-spacing: 0.02em;
        }
        .metric-divider {
            width: 32px;
            height: 2px;
            background-color: var(--c-primary);
            margin: 12px auto;
            border-radius: 1px;
        }
        .metric-label {
            font-size: 14px;
            color: var(--c-text-light);
            line-height: 1.5;
        }

        /* Report List */
        .report-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .report-item {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .report-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--c-primary);
        }
        .report-body {
            flex: 1;
            min-width: 0;
        }
        .report-title {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--c-dark);
            margin: 0 0 6px;
        }
        .report-title a {
            color: var(--c-dark);
        }
        .report-title a:hover {
            color: var(--c-primary);
        }
        .report-summary {
            font-size: 14px;
            color: var(--c-text-light);
            line-height: 1.6;
            margin: 0 0 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .report-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .report-date {
            font-size: 13px;
            color: var(--c-muted);
            font-family: var(--font-num);
        }
        .report-item > .btn {
            flex-shrink: 0;
        }

        /* Feature Strip */
        .feature-strip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .feature-strip-item {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }
        .feature-strip-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--c-primary);
            transform: translateY(-2px);
        }
        .feature-strip-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: rgba(194, 133, 59, 0.12);
            color: var(--c-accent-deep);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 12px;
            font-family: var(--font-num);
        }
        .feature-strip-label {
            font-size: 16px;
            font-weight: 600;
            color: var(--c-dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .feature-strip-desc {
            font-size: 14px;
            color: var(--c-text-light);
            line-height: 1.6;
            margin: 0;
        }

        /* Case Grid */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .case-card {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .case-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--c-primary);
            transform: translateY(-2px);
        }
        .case-card-img {
            height: 200px;
            background-color: rgba(107, 63, 35, 0.05);
            overflow: hidden;
            border-bottom: 1px solid var(--c-border);
        }
        .case-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .case-card-body {
            padding: 20px 24px 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .case-card-title {
            font-size: 20px;
            font-weight: 600;
            color: var(--c-dark);
            line-height: 1.4;
            margin: 0;
        }
        .case-card-summary {
            font-size: 14px;
            color: var(--c-text);
            line-height: 1.7;
            margin: 0;
        }
        .case-card-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .case-card-link {
            margin-top: auto;
            align-self: flex-start;
            font-size: 14px;
            font-weight: 600;
            color: var(--c-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .case-card-link:hover {
            color: var(--c-accent);
        }
        .case-card-link .arrow {
            transition: transform var(--transition);
        }
        .case-card-link:hover .arrow {
            transform: translateX(3px);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 860px;
        }
        .faq-item {
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            background: #fff;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 20px;
            cursor: pointer;
            list-style: none;
            user-select: none;
            font-weight: 600;
            font-size: 15px;
            color: var(--c-dark);
            transition: color var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            color: var(--c-primary);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1px solid var(--c-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
            color: var(--c-primary);
            transition: all var(--transition);
            background-color: rgba(107, 63, 35, 0.03);
        }
        .faq-item[open] .faq-icon {
            background-color: var(--c-primary);
            color: var(--c-white);
            border-color: var(--c-primary);
            transform: rotate(45deg);
        }
        .faq-item[open] {
            border-left: 3px solid var(--c-primary);
        }
        .faq-answer {
            padding: 0 20px 18px 58px;
            font-size: 14px;
            color: var(--c-text);
            line-height: 1.8;
        }

        /* CTA Band */
        .cta-band {
            background-color: var(--c-primary);
            color: var(--c-white);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-band-title {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--c-white);
            margin: 0;
        }
        .cta-band-sub {
            font-size: 15px;
            color: rgba(249, 245, 236, 0.8);
            margin-top: 8px;
            line-height: 1.6;
            max-width: 560px;
        }
        .cta-band-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            flex-shrink: 0;
        }

        /* Empty State */
        .empty-state {
            border: 1px dashed var(--c-border);
            background-color: rgba(107, 63, 35, 0.02);
            border-radius: var(--radius-md);
            padding: 36px 24px;
            text-align: center;
            color: var(--c-text-light);
            font-size: 15px;
        }

        /* Footer */
        .site-footer {
            background-color: var(--c-dark);
            color: var(--c-white);
            padding-top: 56px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 40px;
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--c-white);
            margin: 0 0 14px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--c-muted);
            line-height: 1.8;
            margin: 0 0 16px;
            max-width: 320px;
        }
        .contact-line {
            font-size: 14px;
            color: var(--c-muted);
            line-height: 1.8;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--c-white);
            margin: 0 0 14px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--c-muted);
            padding: 5px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--c-accent);
        }
        .footer-sub {
            display: flex;
            gap: 8px;
            margin-top: 4px;
        }
        .footer-sub input {
            flex: 1;
            min-width: 0;
            padding: 10px 14px;
            font-size: 14px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(249, 245, 236, 0.2);
            background-color: rgba(249, 245, 236, 0.06);
            color: var(--c-white);
            transition: all var(--transition);
        }
        .footer-sub input::placeholder {
            color: var(--c-muted);
        }
        .footer-sub input:focus {
            outline: none;
            border-color: var(--c-accent);
            box-shadow: 0 0 0 3px rgba(194, 133, 59, 0.2);
        }
        .footer-bottom {
            border-top: 1px solid rgba(249, 245, 236, 0.1);
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--c-muted);
        }
        .footer-bottom .brand-name {
            color: var(--c-white);
            font-weight: 600;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-space: 56px;
            }
            .nav-links {
                gap: 20px;
            }
            .nav-links a {
                font-size: 14px;
            }
            .feature-strip-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-space: 40px;
            }
            .container {
                padding: 0 16px;
            }
            .nav-links {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .plan-grid {
                grid-template-columns: 1fr;
            }
            .metric-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .cta-band {
                flex-direction: column;
                align-items: flex-start;
                padding: 32px 24px;
            }
            .cta-band-actions {
                width: 100%;
            }
            .cta-band-actions .btn {
                flex: 1;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .category-banner h1 {
                font-size: 26px;
            }
            .section-title {
                font-size: 22px;
            }
            .plan-card-img {
                height: 150px;
            }
            .case-card-img {
                height: 160px;
            }
            .report-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .report-item > .btn {
                width: 100%;
                justify-content: center;
            }
            .faq-item summary {
                font-size: 14px;
                padding: 16px 14px;
                gap: 10px;
            }
            .faq-answer {
                padding: 0 14px 16px 48px;
                font-size: 13px;
            }
        }

        @media (max-width: 480px) {
            :root {
                --section-space: 32px;
            }
            .category-banner h1 {
                font-size: 22px;
                line-height: 1.3;
            }
            .category-banner {
                padding: 32px 0 28px;
            }
            .banner-desc {
                font-size: 14px;
            }
            .feature-strip-grid {
                grid-template-columns: 1fr;
            }
            .metric-item {
                padding: 20px 16px;
            }
            .metric-number {
                font-size: 26px;
            }
            .plan-card-body {
                padding: 16px;
            }
            .plan-card-title {
                font-size: 17px;
            }
            .cta-band-title {
                font-size: 20px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 13px;
            }
            .btn-lg {
                padding: 12px 20px;
                font-size: 14px;
            }
        }

/* roulang page: category2 */
:root {
            --c-primary: #6B3F23;
            --c-primary-deep: #5A3520;
            --c-secondary: #4F6747;
            --c-accent: #C2853B;
            --c-accent-deep: #A9722A;
            --c-bg: #FAF6EF;
            --c-dark: #2A1C12;
            --c-border: #E3D7C8;
            --c-text: #3A2E24;
            --c-text-light: #8A7A68;
            --c-white: #F9F5EC;
            --c-muted: #C9BBA8;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-xs: 4px;
            --shadow-card: 0 1px 3px rgba(42,28,18,0.06), 0 1px 2px rgba(42,28,18,0.04);
            --shadow-card-hover: 0 6px 16px rgba(42,28,18,0.10);
            --shadow-nav: 0 2px 8px rgba(42,28,18,0.08);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-num: 'Inter', 'Roboto', system-ui, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --section-space: 56px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--c-text);
            background-color: var(--c-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--c-primary);
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background var(--transition);
        }
        a:hover {
            color: var(--c-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--c-accent);
            outline-offset: 2px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--section-space) 0;
        }
        .section-alt {
            background-color: rgba(107, 63, 35, 0.03);
        }
        .section-deep {
            background-color: var(--c-dark);
            color: var(--c-white);
        }
        .section-title-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 28px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .section-title {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--c-dark);
            margin: 0;
        }
        .section-title::before {
            content: '';
            display: inline-block;
            width: 8px;
            height: 22px;
            background: var(--c-accent);
            border-radius: 2px;
            flex-shrink: 0;
        }
        .section-index {
            font-size: 14px;
            font-weight: 500;
            color: var(--c-accent);
            font-family: var(--font-num);
            letter-spacing: 0.05em;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .btn-primary {
            background-color: var(--c-primary);
            color: var(--c-white);
        }
        .btn-primary:hover {
            background-color: var(--c-primary-deep);
            color: var(--c-white);
            transform: translateY(-1px);
            box-shadow: 0 4px 10px rgba(107, 63, 35, 0.18);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--c-primary);
            border-color: var(--c-border);
        }
        .btn-secondary:hover {
            border-color: var(--c-primary);
            background-color: rgba(79, 103, 71, 0.05);
            color: var(--c-primary);
        }
        .btn-accent {
            background-color: var(--c-accent);
            color: var(--c-white);
        }
        .btn-accent:hover {
            background-color: var(--c-accent-deep);
            color: var(--c-white);
            transform: translateY(-1px);
            box-shadow: 0 4px 10px rgba(194, 133, 59, 0.22);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }
        .btn-lg {
            padding: 14px 28px;
            font-size: 15px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 10px;
            font-size: 13px;
            font-weight: 500;
            border-radius: var(--radius-xs);
            line-height: 1.4;
            white-space: nowrap;
        }
        .badge-cat {
            background-color: rgba(79, 103, 71, 0.10);
            color: var(--c-secondary);
        }
        .badge-status {
            background-color: rgba(194, 133, 59, 0.10);
            color: var(--c-accent-deep);
        }
        .badge-auth {
            background-color: rgba(107, 63, 35, 0.10);
            color: var(--c-primary);
        }
        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--c-bg);
            height: 64px;
            border-bottom: 1px solid var(--c-border);
            box-shadow: var(--shadow-nav);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            font-weight: 700;
            font-size: 18px;
            color: var(--c-primary);
            white-space: nowrap;
        }
        .brand:hover {
            color: var(--c-primary);
        }
        .brand-logo {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--c-primary);
            color: var(--c-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .brand-name {
            font-weight: 700;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-links a {
            padding: 6px 12px;
            font-size: 15px;
            color: var(--c-text);
            border-bottom: 3px solid transparent;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--c-primary);
            border-bottom-color: var(--c-accent);
        }
        .nav-cta {
            display: flex;
            align-items: center;
        }
        .nav-toggle {
            display: none;
            font-size: 24px;
            color: var(--c-primary);
            padding: 4px;
            line-height: 1;
        }
        /* Page head */
        .page-head {
            background: rgba(107, 63, 35, 0.04);
            border-bottom: 1px solid var(--c-border);
            padding: 32px 0;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--c-text-light);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: var(--c-text-light);
        }
        .breadcrumb-custom a:hover {
            color: var(--c-primary);
        }
        .breadcrumb-custom .sep {
            color: var(--c-muted);
        }
        .page-head h1 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--c-dark);
            margin: 0 0 8px;
        }
        .page-head .lead {
            font-size: 16px;
            color: var(--c-text-light);
            max-width: 720px;
            margin: 0;
        }
        /* Filter panel */
        .filter-panel {
            background: rgba(107, 63, 35, 0.04);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-lg);
            padding: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: flex-end;
            margin-bottom: 24px;
        }
        .filter-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
            min-width: 160px;
            flex: 1 1 160px;
        }
        .filter-group label {
            font-size: 13px;
            font-weight: 500;
            color: var(--c-text-light);
        }
        .filter-group select,
        .filter-group input {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-sm);
            padding: 10px 12px;
            font-size: 14px;
            color: var(--c-text);
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
        }
        .filter-group select:focus,
        .filter-group input:focus {
            border-color: var(--c-accent);
            box-shadow: 0 0 0 3px rgba(194, 133, 59, 0.15);
            outline: none;
        }
        .filter-actions {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        /* Resource items */
        .resource-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .resource-item {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .resource-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--c-accent);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .resource-item:hover {
            border-color: var(--c-primary);
            box-shadow: var(--shadow-card-hover);
        }
        .resource-item:hover::before {
            opacity: 1;
        }
        .resource-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(79, 103, 71, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }
        .resource-content {
            flex: 1;
            min-width: 0;
        }
        .resource-header {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 4px;
        }
        .resource-header h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.4;
            margin: 0;
            color: var(--c-dark);
        }
        .resource-desc {
            font-size: 14px;
            color: var(--c-text-light);
            margin: 0 0 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .resource-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--c-text-light);
            flex-wrap: wrap;
        }
        .resource-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--c-primary);
            white-space: nowrap;
            margin-left: auto;
        }
        .resource-link:hover {
            color: var(--c-accent);
        }
        /* Metrics */
        .metrics-band {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: space-between;
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
        }
        .metric-item {
            flex: 1 1 180px;
            text-align: center;
        }
        .metric-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--c-accent);
            font-family: var(--font-num);
            line-height: 1.2;
        }
        .metric-sep {
            width: 24px;
            height: 2px;
            background: var(--c-primary);
            margin: 8px auto;
            border-radius: 1px;
        }
        .metric-label {
            font-size: 14px;
            color: var(--c-text-light);
        }
        /* Report list */
        .report-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .report-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            transition: all var(--transition);
        }
        .report-item:hover {
            border-color: var(--c-primary);
            box-shadow: var(--shadow-card-hover);
        }
        .report-info {
            flex: 1;
            min-width: 0;
        }
        .report-info h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--c-dark);
            margin: 0 0 4px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .report-info p {
            font-size: 13px;
            color: var(--c-text-light);
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .report-date {
            font-size: 13px;
            color: var(--c-text-light);
            white-space: nowrap;
            flex-shrink: 0;
        }
        /* Service points */
        .service-points {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .service-point {
            flex: 1 1 220px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 20px;
        }
        .service-point-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: rgba(107, 63, 35, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .service-point-text h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--c-dark);
            margin: 0 0 4px;
        }
        .service-point-text p {
            font-size: 13px;
            color: var(--c-text-light);
            margin: 0;
            line-height: 1.6;
        }
        /* Case cards */
        .case-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }
        .case-card {
            flex: 1 1 380px;
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
        }
        .case-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--c-primary);
        }
        .case-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
        }
        .case-body {
            padding: 20px 24px;
        }
        .case-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--c-dark);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .case-body p {
            font-size: 14px;
            color: var(--c-text-light);
            margin: 0 0 12px;
            line-height: 1.6;
        }
        .case-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 12px;
        }
        .case-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--c-primary);
        }
        .case-link:hover {
            color: var(--c-accent);
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            border: 1px solid var(--c-border);
            border-radius: var(--radius-sm);
            background: #fff;
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item.active {
            border-left: 3px solid var(--c-primary);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--c-dark);
            -webkit-user-select: none;
            user-select: none;
        }
        .faq-question .faq-icon {
            font-size: 18px;
            color: var(--c-accent);
            font-weight: 400;
            flex-shrink: 0;
            transition: transform var(--transition);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 20px 16px 52px;
            font-size: 14px;
            color: var(--c-text-light);
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        /* CTA band */
        .cta-band {
            background: var(--c-primary);
            border-radius: var(--radius-lg);
            padding: 44px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .cta-band::after {
            content: '';
            position: absolute;
            right: -60px;
            top: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(194, 133, 59, 0.12);
            pointer-events: none;
        }
        .cta-band-text {
            flex: 1;
            min-width: 220px;
            position: relative;
            z-index: 1;
        }
        .cta-band-text h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--c-white);
            margin: 0 0 8px;
            line-height: 1.3;
        }
        .cta-band-text p {
            font-size: 15px;
            color: rgba(249, 245, 236, 0.8);
            margin: 0;
        }
        .cta-band .btn {
            position: relative;
            z-index: 1;
        }
        /* Footer */
        .site-footer {
            background: var(--c-dark);
            color: var(--c-white);
            padding: 48px 0 0;
            margin-top: var(--section-space);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(249, 245, 236, 0.1);
        }
        .footer-brand h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--c-white);
            margin: 0 0 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--c-muted);
            line-height: 1.7;
            margin: 0 0 12px;
        }
        .contact-line {
            font-size: 14px;
            color: var(--c-muted);
            margin-bottom: 4px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--c-white);
            margin: 0 0 14px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--c-muted);
            margin-bottom: 8px;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--c-accent);
        }
        .footer-sub {
            display: flex;
            gap: 8px;
            margin-top: 4px;
        }
        .footer-sub input {
            flex: 1;
            background: rgba(249, 245, 236, 0.06);
            border: 1px solid rgba(249, 245, 236, 0.15);
            border-radius: var(--radius-sm);
            padding: 10px 12px;
            font-size: 14px;
            color: var(--c-white);
            min-width: 0;
        }
        .footer-sub input::placeholder {
            color: var(--c-muted);
        }
        .footer-sub input:focus {
            border-color: var(--c-accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(194, 133, 59, 0.15);
        }
        .footer-sub .btn {
            flex-shrink: 0;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            padding: 20px 0;
            font-size: 13px;
            color: var(--c-muted);
        }
        .footer-bottom .brand-name {
            color: var(--c-white);
            font-weight: 600;
        }
        /* Empty state */
        .empty-state {
            text-align: center;
            padding: 40px 20px;
            border: 2px dashed var(--c-border);
            border-radius: var(--radius-md);
            background: var(--c-bg);
            color: var(--c-text-light);
            font-size: 15px;
        }
        /* Responsive */
        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .metrics-band {
                gap: 16px;
                padding: 22px 20px;
            }
        }
        @media (max-width: 767px) {
            :root {
                --section-space: 40px;
            }
            .container {
                padding: 0 16px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--c-bg);
                flex-direction: column;
                padding: 16px 24px;
                border-bottom: 1px solid var(--c-border);
                box-shadow: var(--shadow-nav);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 10px 0;
                font-size: 16px;
                border-bottom: none;
            }
            .nav-links a.active,
            .nav-links a:hover {
                border-bottom: none;
                color: var(--c-accent);
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .page-head h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 22px;
            }
            .filter-panel {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-group {
                min-width: 100%;
            }
            .filter-actions .btn {
                width: 100%;
            }
            .resource-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }
            .resource-link {
                margin-left: 0;
            }
            .metrics-band {
                flex-direction: column;
                gap: 12px;
            }
            .metric-item {
                flex: 1 1 auto;
            }
            .report-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding: 14px 16px;
            }
            .service-points {
                flex-direction: column;
            }
            .service-point {
                flex: 1 1 auto;
            }
            .case-grid {
                flex-direction: column;
            }
            .case-card {
                flex: 1 1 auto;
            }
            .cta-band {
                flex-direction: column;
                text-align: center;
                padding: 32px 20px;
            }
            .cta-band-text h2 {
                font-size: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-sub {
                flex-direction: column;
            }
            .footer-sub .btn {
                width: 100%;
            }
        }
        @media (max-width: 480px) {
            .page-head h1 {
                font-size: 24px;
            }
            .section-title {
                font-size: 20px;
            }
            .btn {
                width: 100%;
            }
            .filter-actions {
                flex-direction: column;
                width: 100%;
            }
        }

/* roulang page: category3 */
:root {
        --c-primary: #6B3F23;
        --c-primary-deep: #5A3520;
        --c-secondary: #4F6747;
        --c-accent: #C2853B;
        --c-accent-deep: #A9722A;
        --c-bg: #FAF6EF;
        --c-dark: #2A1C12;
        --c-border: #E3D7C8;
        --c-text: #3A2E24;
        --c-text-light: #8A7A68;
        --c-white: #F9F5EC;
        --c-muted: #C9BBA8;
        --radius-lg: 16px;
        --radius-md: 12px;
        --radius-sm: 8px;
        --radius-xs: 4px;
        --shadow-card: 0 1px 3px rgba(42,28,18,0.06), 0 1px 2px rgba(42,28,18,0.04);
        --shadow-card-hover: 0 6px 16px rgba(42,28,18,0.10);
        --shadow-nav: 0 2px 8px rgba(42,28,18,0.08);
        --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        --font-num: 'Inter', 'Roboto', system-ui, sans-serif;
        --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        --container-max: 1200px;
        --section-space: 72px;
    }
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.7;
        color: var(--c-text);
        background-color: var(--c-bg);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
    }
    a {
        color: var(--c-primary);
        text-decoration: none;
        transition: color var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition), transform var(--transition);
    }
    a:hover {
        color: var(--c-accent);
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    button, input, select, textarea {
        font-family: inherit;
        font-size: inherit;
        line-height: inherit;
    }
    button {
        cursor: pointer;
        border: none;
        background: none;
    }
    button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
        outline: 2px solid var(--c-accent);
        outline-offset: 2px;
    }
    .container {
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 24px;
    }
    .section {
        padding: var(--section-space) 0;
    }
    .section-alt {
        background-color: rgba(107, 63, 35, 0.03);
    }
    .section-deep {
        background-color: var(--c-dark);
        color: var(--c-white);
    }
    .section-title-row {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        margin-bottom: 28px;
        flex-wrap: wrap;
        gap: 12px;
    }
    .section-title {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 26px;
        font-weight: 700;
        line-height: 1.3;
        color: var(--c-dark);
    }
    .section-title::before {
        content: '';
        display: inline-block;
        width: 8px;
        height: 22px;
        background: var(--c-accent);
        border-radius: 2px;
        flex-shrink: 0;
    }
    .section-index {
        font-size: 14px;
        font-weight: 500;
        color: var(--c-accent);
        font-family: var(--font-num);
        letter-spacing: 0.05em;
    }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 24px;
        font-size: 14px;
        font-weight: 600;
        border-radius: var(--radius-sm);
        transition: all var(--transition);
        line-height: 1.4;
        text-align: center;
        white-space: nowrap;
        border: 1px solid transparent;
    }
    .btn-primary {
        background-color: var(--c-primary);
        color: var(--c-white);
    }
    .btn-primary:hover {
        background-color: var(--c-primary-deep);
        color: var(--c-white);
        transform: translateY(-1px);
        box-shadow: 0 4px 10px rgba(107, 63, 35, 0.18);
    }
    .btn-secondary {
        background-color: transparent;
        color: var(--c-primary);
        border-color: var(--c-border);
    }
    .btn-secondary:hover {
        border-color: var(--c-primary);
        background-color: rgba(79, 103, 71, 0.05);
        color: var(--c-primary);
    }
    .btn-accent {
        background-color: var(--c-accent);
        color: var(--c-white);
    }
    .btn-accent:hover {
        background-color: var(--c-accent-deep);
        color: var(--c-white);
        transform: translateY(-1px);
        box-shadow: 0 4px 10px rgba(194, 133, 59, 0.22);
    }
    .btn-sm {
        padding: 8px 16px;
        font-size: 13px;
    }
    .btn-lg {
        padding: 14px 28px;
        font-size: 15px;
    }
    .badge {
        display: inline-flex;
        align-items: center;
        padding: 4px 10px;
        font-size: 13px;
        font-weight: 500;
        border-radius: var(--radius-xs);
        line-height: 1.4;
        white-space: nowrap;
    }
    .badge-cat {
        background-color: rgba(79, 103, 71, 0.10);
        color: var(--c-secondary);
    }
    .badge-status {
        background-color: rgba(194, 133, 59, 0.10);
        color: var(--c-accent-deep);
    }
    .badge-auth {
        background-color: rgba(107, 63, 35, 0.10);
        color: var(--c-primary);
    }

    /* Header */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background-color: var(--c-bg);
        border-bottom: 1px solid var(--c-border);
        height: 64px;
        transition: box-shadow var(--transition);
    }
    .site-header.scrolled {
        box-shadow: var(--shadow-nav);
    }
    .nav-wrap {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 64px;
    }
    .brand {
        display: flex;
        align-items: center;
        gap: 10px;
        color: var(--c-primary);
    }
    .brand:hover {
        color: var(--c-primary);
    }
    .brand-logo {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 32px;
        height: 32px;
        background-color: var(--c-primary);
        color: var(--c-white);
        font-size: 16px;
        font-weight: 700;
        border-radius: 50%;
    }
    .brand-name {
        font-size: 18px;
        font-weight: 700;
        letter-spacing: 0.03em;
    }
    .nav-links {
        display: flex;
        align-items: center;
        gap: 28px;
    }
    .nav-links a {
        font-size: 15px;
        color: var(--c-text);
        position: relative;
        padding: 6px 0;
        white-space: nowrap;
    }
    .nav-links a::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: -1px;
        width: 0;
        height: 3px;
        background: var(--c-accent);
        border-radius: 2px;
        transition: width var(--transition);
    }
    .nav-links a:hover {
        color: var(--c-primary);
    }
    .nav-links a:hover::after {
        width: 100%;
    }
    .nav-links a.active {
        color: var(--c-primary);
        font-weight: 600;
    }
    .nav-links a.active::after {
        width: 100%;
    }
    .nav-cta {
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .nav-toggle {
        display: none;
        font-size: 24px;
        color: var(--c-primary);
        line-height: 1;
        padding: 4px 8px;
        border: 1px solid var(--c-border);
        border-radius: var(--radius-xs);
    }

    /* Category Page Header */
    .category-header {
        background: linear-gradient(180deg, rgba(107,63,35,0.05) 0%, rgba(107,63,35,0.02) 100%);
        padding: 48px 0 36px;
        border-bottom: 1px solid var(--c-border);
    }
    .breadcrumb-custom {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: var(--c-text-light);
        margin-bottom: 16px;
        flex-wrap: wrap;
    }
    .breadcrumb-custom a {
        color: var(--c-text-light);
    }
    .breadcrumb-custom a:hover {
        color: var(--c-accent);
    }
    .breadcrumb-custom .sep {
        color: var(--c-muted);
    }
    .breadcrumb-custom .current {
        color: var(--c-primary);
        font-weight: 500;
    }
    .category-header h1 {
        font-size: 34px;
        font-weight: 700;
        line-height: 1.25;
        color: var(--c-dark);
        margin-bottom: 14px;
    }
    .category-header .lead {
        font-size: 16px;
        color: var(--c-text);
        max-width: 720px;
        line-height: 1.7;
    }

    /* Opportunity Feed */
    .opp-feed-wrap {
        display: grid;
        grid-template-columns: 3fr 2fr;
        gap: 28px;
        align-items: start;
    }
    .opp-feed {
        display: flex;
        flex-direction: column;
        gap: 14px;
    }
    .opp-feed-item {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 18px 20px;
        background: #FFFFFF;
        border: 1px solid var(--c-border);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-card);
        transition: all var(--transition);
    }
    .opp-feed-item:hover {
        border-color: var(--c-primary);
        box-shadow: var(--shadow-card-hover);
        transform: translateY(-1px);
    }
    .opp-feed-main {
        flex: 1;
        min-width: 0;
    }
    .opp-feed-title {
        font-size: 16px;
        font-weight: 600;
        color: var(--c-dark);
        margin-bottom: 6px;
        line-height: 1.4;
    }
    .opp-feed-meta {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-wrap: wrap;
        font-size: 13px;
        color: var(--c-text-light);
    }
    .opp-feed-meta .dot {
        width: 3px;
        height: 3px;
        background: var(--c-muted);
        border-radius: 50%;
    }
    .opp-feed-budget {
        font-family: var(--font-num);
        font-weight: 600;
        color: var(--c-accent-deep);
    }
    .opp-feed-action .btn {
        padding: 8px 14px;
        font-size: 13px;
    }

    /* Match form card */
    .match-form-card {
        background: #FFFFFF;
        border: 1px solid var(--c-border);
        border-radius: var(--radius-lg);
        padding: 24px;
        box-shadow: var(--shadow-card);
        position: sticky;
        top: 92px;
    }
    .match-form-card .form-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        font-weight: 600;
        color: var(--c-primary);
        margin-bottom: 14px;
    }
    .match-form-card .form-tag::before {
        content: '';
        width: 8px;
        height: 8px;
        background: var(--c-accent);
        border-radius: 2px;
    }
    .match-form-card h3 {
        font-size: 20px;
        font-weight: 600;
        color: var(--c-dark);
        margin-bottom: 6px;
    }
    .match-form-card .form-desc {
        font-size: 14px;
        color: var(--c-text-light);
        margin-bottom: 18px;
    }
    .form-group {
        margin-bottom: 14px;
    }
    .form-group label {
        display: block;
        font-size: 14px;
        font-weight: 500;
        color: var(--c-text);
        margin-bottom: 6px;
    }
    .form-control-custom {
        width: 100%;
        padding: 10px 14px;
        font-size: 14px;
        border: 1px solid var(--c-border);
        border-radius: var(--radius-sm);
        background: #FFFFFF;
        color: var(--c-text);
        transition: border-color var(--transition), box-shadow var(--transition);
    }
    .form-control-custom:focus {
        outline: none;
        border-color: var(--c-accent);
        box-shadow: 0 0 0 3px rgba(194,133,59,0.15);
    }
    .form-control-custom::placeholder {
        color: var(--c-muted);
    }

    /* Stats strip */
    .stats-strip {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
        background: #FFFFFF;
        border: 1px solid var(--c-border);
        border-radius: var(--radius-lg);
        padding: 28px 32px;
        box-shadow: var(--shadow-card);
    }
    .stat-item {
        text-align: center;
        padding: 0 12px;
    }
    .stat-item + .stat-item {
        border-left: 1px solid var(--c-border);
    }
    .stat-num {
        font-size: 28px;
        font-weight: 700;
        font-family: var(--font-num);
        color: var(--c-accent-deep);
        line-height: 1.2;
        margin-bottom: 6px;
    }
    .stat-num::after {
        content: '';
        display: block;
        width: 28px;
        height: 2px;
        background: var(--c-primary);
        margin: 8px auto 0;
        border-radius: 1px;
    }
    .stat-label {
        font-size: 14px;
        color: var(--c-text-light);
    }

    /* Report list */
    .report-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .report-list-item {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 16px 20px;
        background: #FFFFFF;
        border: 1px solid var(--c-border);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-card);
        transition: all var(--transition);
        flex-wrap: wrap;
    }
    .report-list-item:hover {
        border-color: var(--c-primary);
        box-shadow: var(--shadow-card-hover);
    }
    .report-item-main {
        flex: 1;
        min-width: 240px;
    }
    .report-item-main h4 {
        font-size: 16px;
        font-weight: 600;
        color: var(--c-dark);
        margin-bottom: 4px;
        line-height: 1.4;
    }
    .report-item-main p {
        font-size: 14px;
        color: var(--c-text-light);
        margin-bottom: 0;
        line-height: 1.6;
    }
    .report-item-meta {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }
    .report-item-meta time {
        font-size: 13px;
        color: var(--c-text-light);
        font-family: var(--font-num);
    }
    .empty-state {
        padding: 40px 20px;
        text-align: center;
        background: rgba(107,63,35,0.03);
        border: 1px dashed var(--c-border);
        border-radius: var(--radius-md);
        color: var(--c-text-light);
        font-size: 15px;
    }

    /* Key points */
    .key-points {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 18px;
    }
    .key-point {
        background: #FFFFFF;
        border: 1px solid var(--c-border);
        border-radius: var(--radius-md);
        padding: 20px;
        box-shadow: var(--shadow-card);
        transition: all var(--transition);
    }
    .key-point:hover {
        border-color: var(--c-accent);
        box-shadow: var(--shadow-card-hover);
    }
    .key-point-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        background: rgba(194,133,59,0.10);
        color: var(--c-accent-deep);
        border-radius: var(--radius-sm);
        font-size: 16px;
        font-weight: 700;
        margin-bottom: 10px;
    }
    .key-point h4 {
        font-size: 15px;
        font-weight: 600;
        color: var(--c-dark);
        margin-bottom: 6px;
    }
    .key-point p {
        font-size: 14px;
        color: var(--c-text-light);
        margin-bottom: 0;
        line-height: 1.6;
    }

    /* Case cards */
    .case-grid-2 {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    .case-card-lg {
        background: #FFFFFF;
        border: 1px solid var(--c-border);
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        transition: all var(--transition);
        display: flex;
        flex-direction: column;
    }
    .case-card-lg:hover {
        border-color: var(--c-primary);
        box-shadow: var(--shadow-card-hover);
        transform: translateY(-2px);
    }
    .case-card-lg .case-img {
        height: 200px;
        overflow: hidden;
        border-radius: 12px 12px 0 0;
    }
    .case-card-lg .case-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .case-card-lg .case-body {
        padding: 20px 22px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .case-card-lg .case-body h3 {
        font-size: 18px;
        font-weight: 600;
        color: var(--c-dark);
        margin-bottom: 8px;
        line-height: 1.4;
    }
    .case-card-lg .case-body p {
        font-size: 14px;
        color: var(--c-text-light);
        margin-bottom: 14px;
        line-height: 1.6;
        flex: 1;
    }
    .case-card-lg .case-tags {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
    }

    /* FAQ */
    .faq-list {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .faq-item {
        border: 1px solid var(--c-border);
        border-radius: var(--radius-md);
        background: #FFFFFF;
        overflow: hidden;
        transition: all var(--transition);
    }
    .faq-item.open {
        border-left: 3px solid var(--c-primary);
    }
    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 14px;
        padding: 16px 20px;
        cursor: pointer;
        font-size: 15px;
        font-weight: 600;
        color: var(--c-dark);
        transition: color var(--transition);
    }
    .faq-question:hover {
        color: var(--c-primary);
    }
    .faq-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 24px;
        height: 24px;
        font-size: 16px;
        color: var(--c-accent-deep);
        transition: transform var(--transition);
        flex-shrink: 0;
    }
    .faq-item.open .faq-icon {
        transform: rotate(45deg);
    }
    .faq-answer {
        display: none;
        padding: 0 20px 18px;
        font-size: 14px;
        color: var(--c-text-light);
        line-height: 1.7;
    }
    .faq-item.open .faq-answer {
        display: block;
    }

    /* CTA Section */
    .cta-band {
        background: linear-gradient(180deg, var(--c-primary) 0%, var(--c-primary-deep) 100%);
        border-radius: var(--radius-lg);
        padding: 40px 36px;
        color: var(--c-white);
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        flex-wrap: wrap;
    }
    .cta-band h2 {
        font-size: 24px;
        font-weight: 700;
        color: var(--c-white);
        margin-bottom: 6px;
        line-height: 1.3;
    }
    .cta-band p {
        font-size: 15px;
        color: var(--c-muted);
        margin-bottom: 0;
    }
    .cta-band .btn-accent {
        flex-shrink: 0;
    }

    /* Footer */
    .site-footer {
        background-color: var(--c-dark);
        color: var(--c-white);
        padding: 48px 0 24px;
        margin-top: 0;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 36px;
        margin-bottom: 36px;
    }
    .footer-brand h3 {
        font-size: 20px;
        font-weight: 700;
        color: var(--c-white);
        margin-bottom: 12px;
    }
    .footer-brand p {
        font-size: 14px;
        color: var(--c-muted);
        line-height: 1.7;
        max-width: 320px;
        margin-bottom: 12px;
    }
    .contact-line {
        font-size: 14px;
        color: var(--c-muted);
        margin-bottom: 4px;
    }
    .footer-col h4 {
        font-size: 15px;
        font-weight: 600;
        color: var(--c-white);
        margin-bottom: 14px;
    }
    .footer-col a {
        display: block;
        font-size: 14px;
        color: var(--c-muted);
        margin-bottom: 8px;
        transition: color var(--transition);
    }
    .footer-col a:hover {
        color: var(--c-accent);
    }
    .footer-sub {
        display: flex;
        gap: 8px;
    }
    .footer-sub input {
        flex: 1;
        padding: 8px 12px;
        font-size: 14px;
        border: 1px solid rgba(201,187,168,0.3);
        border-radius: var(--radius-sm);
        background: rgba(249,245,236,0.05);
        color: var(--c-white);
        min-width: 0;
    }
    .footer-sub input::placeholder {
        color: var(--c-muted);
    }
    .footer-sub input:focus {
        outline: none;
        border-color: var(--c-accent);
    }
    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        flex-wrap: wrap;
        padding-top: 18px;
        border-top: 1px solid rgba(201,187,168,0.15);
        font-size: 13px;
        color: var(--c-muted);
    }
    .footer-bottom .brand-name {
        color: var(--c-white);
    }

    /* Mobile drawer */
    .nav-drawer-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(42,28,18,0.4);
        z-index: 1100;
    }
    .nav-drawer-overlay.active {
        display: block;
    }
    .nav-drawer {
        display: none;
        position: fixed;
        top: 0;
        right: 0;
        width: 280px;
        max-width: 85vw;
        height: 100vh;
        background: var(--c-bg);
        z-index: 1200;
        padding: 24px 20px;
        box-shadow: -4px 0 16px rgba(42,28,18,0.15);
        transform: translateX(100%);
        transition: transform var(--transition);
    }
    .nav-drawer.open {
        transform: translateX(0);
    }
    .nav-drawer .drawer-close {
        font-size: 24px;
        color: var(--c-primary);
        margin-bottom: 20px;
        text-align: right;
        cursor: pointer;
    }
    .nav-drawer .drawer-links {
        display: flex;
        flex-direction: column;
        gap: 4px;
    }
    .nav-drawer .drawer-links a {
        padding: 12px 8px;
        font-size: 15px;
        color: var(--c-text);
        border-bottom: 1px solid var(--c-border);
        display: block;
    }
    .nav-drawer .drawer-links a.active {
        color: var(--c-primary);
        font-weight: 600;
    }
    .nav-drawer .drawer-cta {
        margin-top: 16px;
    }
    .nav-drawer .drawer-cta .btn {
        width: 100%;
    }

    /* Responsive */
    @media (max-width: 1024px) {
        :root {
            --section-space: 56px;
        }
        .nav-links {
            gap: 16px;
        }
        .nav-links a {
            font-size: 14px;
        }
        .key-points {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    @media (max-width: 767px) {
        :root {
            --section-space: 40px;
        }
        .container {
            padding: 0 16px;
        }
        .section-title {
            font-size: 22px;
        }
        .nav-links {
            display: none;
        }
        .nav-cta {
            display: none;
        }
        .nav-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .nav-drawer {
            display: block;
        }
        .category-header {
            padding: 32px 0 24px;
        }
        .category-header h1 {
            font-size: 28px;
        }
        .opp-feed-wrap {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .match-form-card {
            position: static;
        }
        .opp-feed-item {
            flex-direction: column;
            align-items: flex-start;
            gap: 10px;
        }
        .stats-strip {
            grid-template-columns: 1fr;
            gap: 16px;
            padding: 20px;
        }
        .stat-item + .stat-item {
            border-left: none;
            border-top: 1px solid var(--c-border);
            padding-top: 16px;
        }
        .key-points {
            grid-template-columns: 1fr;
        }
        .case-grid-2 {
            grid-template-columns: 1fr;
            gap: 16px;
        }
        .cta-band {
            flex-direction: column;
            align-items: flex-start;
            padding: 28px 20px;
        }
        .cta-band .btn-accent {
            width: 100%;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
        .report-list-item {
            flex-direction: column;
            align-items: flex-start;
        }
        .report-item-meta {
            width: 100%;
            justify-content: flex-start;
        }
    }
    @media (max-width: 480px) {
        .category-header h1 {
            font-size: 24px;
        }
        .opp-feed-title {
            font-size: 15px;
        }
        .btn {
            padding: 10px 18px;
            font-size: 13px;
        }
    }