/* roulang page: index */
:root {
            --bg-primary: #F5F3EE;
            --bg-secondary: #1A1C1D;
            --bg-tertiary: #EBE8E1;
            --ink-primary: #1F2122;
            --ink-secondary: #5A5D60;
            --ink-tertiary: #8A8D8F;
            --accent-primary: #B08B53;
            --accent-primary-hover: #93713F;
            --accent-secondary: #2E6E6A;
            --accent-tertiary: #A64A3A;
            --border-light: #E2DED5;
            --white: #FFFFFF;
            --shadow-sm: 0 2px 8px rgba(31,33,34,0.06);
            --shadow-md: 0 8px 24px rgba(31,33,34,0.09);
            --shadow-lg: 0 18px 48px rgba(31,33,34,0.13);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --font-cn: "PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
            --font-en: "Inter","SF Pro Display",system-ui,sans-serif;
            --transition-fast: 0.25s ease;
            --transition-med: 0.35s ease;
            --transition-slow: 0.5s ease;
            --spacing-section: 80px;
            --spacing-section-mobile: 48px;
            --container-max: 1200px;
        }

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

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

        body {
            font-family: var(--font-cn);
            background-color: var(--bg-primary);
            color: var(--ink-primary);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--ink-primary);
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast);
        }

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

        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;
        }

        ul, ol {
            list-style: none;
        }

        :focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(176,139,83,0.35);
            border-radius: 4px;
        }

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

        /* ===== Header / 招投标公告导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 200;
            background: rgba(245,243,238,0.96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid transparent;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .site-header.scrolled {
            border-bottom-color: var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 20px;
            flex-wrap: wrap;
            padding: 8px 0;
        }

        .logo {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--ink-primary);
            white-space: nowrap;
            transition: color var(--transition-fast);
            line-height: 1.3;
        }

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

        .logo-sub {
            display: block;
            font-size: 11px;
            font-weight: 400;
            letter-spacing: 2px;
            color: var(--ink-tertiary);
            margin-top: 1px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .main-nav a {
            padding: 8px 14px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink-secondary);
            transition: all var(--transition-fast);
            position: relative;
        }

        .main-nav a:hover {
            color: var(--ink-primary);
            background: var(--bg-tertiary);
        }

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

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent-primary);
            border-radius: 2px;
        }

        .header-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .header-chip {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 12px;
            border-radius: var(--radius-pill);
            background: var(--white);
            border: 1px solid var(--border-light);
            font-size: 12px;
            font-weight: 500;
            color: var(--ink-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .header-chip:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            background: #FDFCFA;
        }

        .header-chip .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-tertiary);
            animation: pulse-dot 2s infinite;
        }

        .header-chip .dot.gold {
            background: var(--accent-primary);
        }

        .header-chip .dot.green {
            background: var(--accent-secondary);
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 6px;
            transition: background var(--transition-fast);
        }

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

        .mobile-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--ink-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .mobile-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .mobile-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .mobile-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== 公告条 ===== */
        .announcement-bar {
            background: var(--bg-secondary);
            color: #D5D2CC;
            padding: 10px 0;
            font-size: 13px;
            overflow: hidden;
            position: relative;
        }

        .announcement-bar .container {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .announcement-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            background: rgba(176,139,83,0.2);
            color: var(--accent-primary);
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .announcement-ticker {
            flex: 1;
            overflow: hidden;
            position: relative;
            height: 24px;
        }

        .announcement-ticker-inner {
            display: flex;
            flex-direction: column;
            animation: ticker-vertical 12s infinite;
        }

        .announcement-ticker-item {
            height: 24px;
            line-height: 24px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            color: #C9C5BE;
        }

        .announcement-ticker-item strong {
            color: var(--accent-primary);
            font-weight: 600;
            margin-right: 8px;
        }

        @keyframes ticker-vertical {
            0%, 28% { transform: translateY(0); }
            33%, 61% { transform: translateY(-24px); }
            66%, 94% { transform: translateY(-48px); }
            100% { transform: translateY(0); }
        }

        /* ===== Hero 裂变邀请首屏 ===== */
        .hero-invite {
            padding: 72px 0 64px;
            background: linear-gradient(180deg, #F5F3EE 0%, #F0EDE6 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-invite::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(176,139,83,0.08) 0%, transparent 70%);
            border-radius: 50%;
        }

        .hero-invite::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(46,110,106,0.06) 0%, transparent 70%);
            border-radius: 50%;
        }

        .hero-invite-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-invite-content {
            animation: fade-up 0.6s ease-out;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            background: rgba(176,139,83,0.12);
            color: var(--accent-primary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }

        .hero-tag::before {
            content: '';
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent-primary);
            animation: pulse-dot 2s infinite;
        }

        .hero-invite-content h1 {
            font-size: 46px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: 0.5px;
            color: var(--ink-primary);
            margin-bottom: 20px;
            animation: fade-up 0.5s ease-out 0.1s both;
        }

        .hero-invite-content h1 .highlight {
            color: var(--accent-primary);
            border-bottom: 2px solid rgba(176,139,83,0.35);
            padding-bottom: 2px;
        }

        .hero-invite-desc {
            font-size: 17px;
            line-height: 1.85;
            color: var(--ink-secondary);
            margin-bottom: 28px;
            max-width: 540px;
            animation: fade-up 0.5s ease-out 0.2s both;
        }

        .hero-reward-panel {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            margin-bottom: 28px;
            box-shadow: var(--shadow-sm);
            animation: fade-up 0.5s ease-out 0.3s both;
        }

        .reward-panel-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--ink-secondary);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .reward-items {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .reward-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--ink-primary);
        }

        .reward-item .reward-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(176,139,83,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-primary);
            font-size: 15px;
            flex-shrink: 0;
        }

        .reward-progress {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .progress-track {
            flex: 1;
            height: 8px;
            background: var(--bg-tertiary);
            border-radius: 4px;
            overflow: hidden;
        }

        .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--accent-primary), #C5A06B);
            border-radius: 4px;
            width: 68%;
            transition: width var(--transition-slow);
            position: relative;
        }

        .progress-fill::after {
            content: '';
            position: absolute;
            right: 0;
            top: 0;
            width: 4px;
            height: 100%;
            background: rgba(255,255,255,0.5);
            border-radius: 2px;
        }

        .progress-text {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-primary);
            white-space: nowrap;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            animation: fade-up 0.5s ease-out 0.4s both;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition-fast);
            text-align: center;
        }

        .btn:active {
            transform: scale(0.98);
        }

        .btn-primary {
            background: var(--accent-primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(176,139,83,0.3);
        }

        .btn-primary:hover {
            background: var(--accent-primary-hover);
            color: #fff;
            box-shadow: 0 6px 20px rgba(176,139,83,0.4);
            transform: translateY(-1px);
        }

        .btn-secondary {
            background: transparent;
            color: var(--ink-primary);
            border: 1px solid var(--ink-primary);
        }

        .btn-secondary:hover {
            background: var(--ink-primary);
            color: #fff;
            border-color: var(--ink-primary);
            transform: translateY(-1px);
        }

        .hero-invite-visual {
            display: flex;
            align-items: center;
            justify-content: center;
            animation: fade-up 0.6s ease-out 0.2s both;
        }

        .hero-visual-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            width: 100%;
            max-width: 420px;
            border: 1px solid var(--border-light);
        }

        .hero-visual-card .visual-img-wrap {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
        }

        .hero-visual-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .visual-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 16px;
            background: linear-gradient(180deg, transparent 0%, rgba(26,28,29,0.7) 100%);
        }

        .visual-overlay-text {
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.5px;
        }

        .visual-card-body {
            padding: 18px 20px 20px;
        }

        .visual-stat-row {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            margin-top: 12px;
        }

        .visual-stat {
            text-align: center;
            flex: 1;
        }

        .visual-stat-num {
            font-size: 24px;
            font-weight: 700;
            color: var(--accent-secondary);
            font-family: var(--font-en);
        }

        .visual-stat-label {
            font-size: 11px;
            color: var(--ink-tertiary);
            margin-top: 2px;
        }

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

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

        .section-dark {
            background: var(--bg-secondary);
            color: #D5D2CC;
        }

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

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

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-primary);
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.5px;
            color: var(--ink-primary);
        }

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

        .section-subtitle {
            font-size: 15px;
            line-height: 1.8;
            color: var(--ink-secondary);
            margin-top: 12px;
            max-width: 680px;
        }

        .section-dark .section-subtitle {
            color: #B5B2AB;
        }

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

        /* ===== 能力卡片（已上线） ===== */
        .capability-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .capability-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
        }

        .capability-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--accent-primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-med);
        }

        .capability-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(176,139,83,0.3);
        }

        .capability-card:hover::before {
            transform: scaleX(1);
        }

        .capability-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(176,139,83,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent-primary);
            margin-bottom: 16px;
        }

        .capability-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--ink-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .capability-card p {
            font-size: 14px;
            color: var(--ink-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .capability-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 500;
            background: rgba(46,110,106,0.1);
            color: var(--accent-secondary);
        }

        /* ===== 进行中面板 ===== */
        .progress-panel {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .progress-module {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 26px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }

        .progress-module:hover {
            box-shadow: var(--shadow-md);
        }

        .progress-module-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 14px;
            gap: 12px;
            flex-wrap: wrap;
        }

        .progress-module-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--ink-primary);
        }

        .progress-status {
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
        }

        .progress-status.active {
            background: rgba(46,110,106,0.12);
            color: var(--accent-secondary);
        }

        .progress-status.pending {
            background: rgba(166,74,58,0.1);
            color: var(--accent-tertiary);
        }

        .progress-status.done {
            background: rgba(176,139,83,0.12);
            color: var(--accent-primary);
        }

        .progress-bar-sm {
            height: 6px;
            background: var(--bg-tertiary);
            border-radius: 3px;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .progress-bar-sm .fill {
            height: 100%;
            border-radius: 3px;
            background: var(--accent-secondary);
            transition: width 0.6s ease;
        }

        .progress-bar-sm .fill.gold {
            background: var(--accent-primary);
        }

        .progress-bar-sm .fill.red {
            background: var(--accent-tertiary);
        }

        .progress-module-desc {
            font-size: 13px;
            color: var(--ink-secondary);
            line-height: 1.7;
        }

        /* ===== 规划中时间线 ===== */
        .timeline-list {
            position: relative;
            padding-left: 28px;
        }

        .timeline-list::before {
            content: '';
            position: absolute;
            left: 9px;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: var(--border-light);
            border-radius: 1px;
        }

        .timeline-item {
            position: relative;
            padding-bottom: 28px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -23px;
            top: 5px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--white);
            border: 3px solid var(--accent-primary);
            z-index: 1;
        }

        .timeline-item.done::before {
            background: var(--accent-primary);
            border-color: var(--accent-primary);
        }

        .timeline-item h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--ink-primary);
            margin-bottom: 4px;
        }

        .timeline-item p {
            font-size: 14px;
            color: var(--ink-secondary);
            line-height: 1.7;
        }

        /* ===== 更新日志列表 ===== */
        .changelog-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            max-height: 400px;
            overflow-y: auto;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            background: var(--white);
            box-shadow: var(--shadow-sm);
        }

        .changelog-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition-fast);
        }

        .changelog-item:last-child {
            border-bottom: none;
        }

        .changelog-item:hover {
            background: #FAF9F6;
        }

        .changelog-date {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-primary);
            white-space: nowrap;
            padding-top: 2px;
            min-width: 70px;
        }

        .changelog-content {
            flex: 1;
        }

        .changelog-content h3 {
            font-size: 14px;
            font-weight: 600;
            color: var(--ink-primary);
            margin-bottom: 2px;
        }

        .changelog-content p {
            font-size: 13px;
            color: var(--ink-secondary);
            line-height: 1.6;
        }

        .changelog-badge {
            display: inline-block;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 11px;
            font-weight: 600;
            margin-left: 8px;
            vertical-align: middle;
        }

        .changelog-badge.new {
            background: rgba(166,74,58,0.1);
            color: var(--accent-tertiary);
        }

        .changelog-badge.feature {
            background: rgba(176,139,83,0.12);
            color: var(--accent-primary);
        }

        .changelog-badge.fix {
            background: rgba(46,110,106,0.1);
            color: var(--accent-secondary);
        }

        /* ===== 热门榜单 ===== */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }

        .ranking-item:hover {
            border-color: rgba(176,139,83,0.3);
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }

        .ranking-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--accent-secondary);
            font-family: var(--font-en);
            min-width: 40px;
            text-align: center;
            line-height: 1;
        }

        .ranking-number.top {
            color: var(--accent-primary);
        }

        .ranking-info {
            flex: 1;
        }

        .ranking-info h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink-primary);
            margin-bottom: 2px;
            line-height: 1.5;
        }

        .ranking-info p {
            font-size: 13px;
            color: var(--ink-secondary);
            line-height: 1.6;
        }

        .ranking-heat {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            background: rgba(166,74,58,0.08);
            color: var(--accent-tertiary);
            white-space: nowrap;
        }

        /* ===== 精选专题卡片 ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .feature-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .feature-card-image {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
        }

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

        .feature-card:hover .feature-card-image img {
            transform: scale(1.05);
        }

        .feature-card-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(26,28,29,0.08);
            transition: background var(--transition-fast);
        }

        .feature-card:hover .feature-card-overlay {
            background: rgba(26,28,29,0.04);
        }

        .feature-card-body {
            padding: 18px 20px 20px;
        }

        .feature-card-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--ink-primary);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .feature-card-body p {
            font-size: 13px;
            color: var(--ink-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

        .feature-tag {
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            font-size: 11px;
            font-weight: 500;
            background: var(--bg-tertiary);
            color: var(--ink-secondary);
            transition: all var(--transition-fast);
        }

        .feature-tag:hover {
            background: rgba(176,139,83,0.12);
            color: var(--accent-primary);
        }

        /* ===== 资讯列表 CMS 区 ===== */
        .news-list-wrap {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 28px;
        }

        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-main-item {
            display: flex;
            gap: 16px;
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 16px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
            align-items: flex-start;
        }

        .news-main-item:hover {
            border-color: rgba(176,139,83,0.3);
            box-shadow: var(--shadow-md);
        }

        .news-thumb {
            width: 90px;
            height: 68px;
            flex-shrink: 0;
            border-radius: 6px;
            overflow: hidden;
        }

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

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

        .news-body h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink-primary);
            margin-bottom: 4px;
            line-height: 1.5;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

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

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 6px;
            font-size: 12px;
            color: var(--ink-tertiary);
        }

        .news-meta .news-category {
            padding: 2px 8px;
            border-radius: 4px;
            background: rgba(46,110,106,0.08);
            color: var(--accent-secondary);
            font-weight: 500;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-side-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-sm);
        }

        .news-side-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink-primary);
            margin-bottom: 12px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-light);
        }

        .news-side-item {
            display: flex;
            gap: 10px;
            margin-bottom: 12px;
            align-items: flex-start;
        }

        .news-side-item:last-child {
            margin-bottom: 0;
        }

        .news-side-num {
            font-size: 18px;
            font-weight: 700;
            color: var(--accent-primary);
            font-family: var(--font-en);
            min-width: 24px;
            line-height: 1.3;
        }

        .news-side-item h5 {
            font-size: 13px;
            font-weight: 500;
            color: var(--ink-primary);
            line-height: 1.5;
            transition: color var(--transition-fast);
        }

        .news-side-item h5:hover {
            color: var(--accent-secondary);
        }

        .news-empty {
            text-align: center;
            padding: 40px 20px;
            font-size: 14px;
            color: var(--ink-tertiary);
            background: var(--bg-tertiary);
            border-radius: var(--radius-md);
        }

        /* ===== 订阅更新 CTA ===== */
        .subscribe-section {
            background: var(--bg-secondary);
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }

        .subscribe-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: 20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(176,139,83,0.12) 0%, transparent 70%);
            border-radius: 50%;
        }

        .subscribe-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .subscribe-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .subscribe-content p {
            font-size: 15px;
            color: #B5B2AB;
            line-height: 1.8;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-md);
            padding: 8px;
        }

        .subscribe-form input {
            flex: 1;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 14px;
            padding: 10px 14px;
            min-width: 0;
        }

        .subscribe-form input::placeholder {
            color: #8A8D8F;
        }

        .subscribe-form input:focus {
            outline: none;
        }

        .subscribe-form .btn-primary {
            flex-shrink: 0;
            padding: 11px 24px;
            font-size: 14px;
        }

        /* ===== 合作伙伴 ===== */
        .partner-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .partner-item {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            font-size: 13px;
            color: var(--ink-tertiary);
            font-weight: 500;
            transition: all var(--transition-fast);
            min-height: 80px;
        }

        .partner-item:hover {
            border-color: rgba(176,139,83,0.3);
            color: var(--ink-primary);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            border-color: rgba(176,139,83,0.25);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink-primary);
            transition: color var(--transition-fast);
            user-select: none;
        }

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

        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--bg-tertiary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            font-size: 14px;
            color: var(--ink-secondary);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            background: rgba(176,139,83,0.12);
            color: var(--accent-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-med);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--ink-secondary);
            background: #FAF9F6;
            border-radius: 0 0 var(--radius-md) var(--radius-md);
            margin: 0 10px 10px;
            padding: 14px 16px;
        }

        /* ===== 保障条 ===== */
        .assurance-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .assurance-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: 28px 20px;
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }

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

        .assurance-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(46,110,106,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent-secondary);
            margin-bottom: 14px;
        }

        .assurance-item h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--ink-primary);
            margin-bottom: 6px;
        }

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

        /* ===== 快捷导航 ===== */
        .quick-nav-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .quick-nav-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--ink-primary);
            margin-bottom: 12px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--accent-primary);
            display: inline-block;
        }

        .quick-nav-col ul {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .quick-nav-col ul a {
            font-size: 13px;
            color: var(--ink-secondary);
            transition: color var(--transition-fast);
            line-height: 1.6;
        }

        .quick-nav-col ul a:hover {
            color: var(--accent-primary);
        }

        /* ===== 误区澄清 ===== */
        .myth-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .myth-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }

        .myth-card:hover {
            box-shadow: var(--shadow-md);
        }

        .myth-card .myth-label {
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            font-size: 11px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .myth-label.wrong {
            background: rgba(166,74,58,0.1);
            color: var(--accent-tertiary);
        }

        .myth-label.right {
            background: rgba(46,110,106,0.1);
            color: var(--accent-secondary);
        }

        .myth-card h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink-primary);
            margin-bottom: 6px;
            line-height: 1.5;
        }

        .myth-card p {
            font-size: 13px;
            color: var(--ink-secondary);
            line-height: 1.7;
        }

        /* ===== 报价阶梯 ===== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .pricing-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
            position: relative;
        }

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

        .pricing-card.featured {
            border-color: var(--accent-primary);
            box-shadow: var(--shadow-md);
        }

        .pricing-badge {
            position: absolute;
            top: -10px;
            left: 50%;
            transform: translateX(-50%);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            background: var(--accent-primary);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .pricing-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--ink-primary);
            margin-bottom: 8px;
        }

        .pricing-card .price {
            font-size: 32px;
            font-weight: 700;
            color: var(--accent-secondary);
            font-family: var(--font-en);
            margin-bottom: 12px;
        }

        .pricing-card .price small {
            font-size: 13px;
            font-weight: 400;
            color: var(--ink-tertiary);
        }

        .pricing-features {
            margin-bottom: 18px;
        }

        .pricing-features li {
            font-size: 13px;
            color: var(--ink-secondary);
            line-height: 1.7;
            padding: 4px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .pricing-features li::before {
            content: '✓';
            color: var(--accent-secondary);
            font-weight: 700;
            flex-shrink: 0;
        }

        /* ===== 帮助目录 ===== */
        .help-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .help-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
            text-align: left;
        }

        .help-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(46,110,106,0.25);
        }

        .help-card h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink-primary);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .help-card h3 .help-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: rgba(46,110,106,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--accent-secondary);
            flex-shrink: 0;
        }

        .help-card p {
            font-size: 13px;
            color: var(--ink-secondary);
            line-height: 1.7;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-secondary);
            color: #B5B2AB;
            padding: 60px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 30px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-brand p {
            font-size: 13px;
            color: #8A8D8F;
            line-height: 1.7;
            max-width: 260px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 13px;
            color: #8A8D8F;
            transition: color var(--transition-fast);
            line-height: 1.5;
        }

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

        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 12px;
            color: #6A6D6F;
            line-height: 1.6;
        }

        /* ===== 动画 ===== */
        @keyframes fade-up {
            from {
                opacity: 0;
                transform: translateY(12px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .capability-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

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

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

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

            .hero-invite-content h1 {
                font-size: 36px;
            }

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

        @media (max-width: 768px) {
            .header-inner {
                min-height: 56px;
                gap: 12px;
            }

            .logo {
                font-size: 17px;
            }

            .main-nav {
                display: none;
                position: fixed;
                top: 56px;
                left: 0;
                right: 0;
                background: var(--bg-primary);
                flex-direction: column;
                padding: 16px 24px;
                gap: 8px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
                z-index: 190;
            }

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

            .main-nav a {
                font-size: 15px;
                padding: 10px 12px;
                width: 100%;
            }

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

            .header-chips {
                display: none;
            }

            .mobile-toggle {
                display: flex;
            }

            .hero-invite {
                padding: 40px 0 48px;
            }

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

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

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

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

            .section-title {
                font-size: 24px;
            }

            .capability-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .feature-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .partner-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .assurance-row {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .quick-nav-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .progress-panel {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .myth-list {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .pricing-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .help-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

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

            .subscribe-form {
                flex-direction: column;
                gap: 8px;
            }

            .subscribe-form .btn-primary {
                width: 100%;
            }

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

            .news-main-item {
                flex-direction: column;
            }

            .news-thumb {
                width: 100%;
                height: 140px;
            }
        }

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

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

            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .reward-items {
                flex-direction: column;
                gap: 8px;
            }

            .section-title {
                font-size: 21px;
            }

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

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

            .ranking-number {
                font-size: 22px;
                min-width: 30px;
            }

            .ranking-item {
                padding: 12px 14px;
                gap: 10px;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #F5F3EE;
            --bg-secondary: #1A1C1D;
            --bg-tertiary: #EBE8E1;
            --ink-primary: #1F2122;
            --ink-secondary: #5A5D60;
            --ink-tertiary: #8A8D8F;
            --accent-primary: #B08B53;
            --accent-primary-hover: #93713F;
            --accent-secondary: #2E6E6A;
            --accent-tertiary: #A64A3A;
            --border-light: #E2DED5;
            --white: #FFFFFF;
            --shadow-sm: 0 2px 8px rgba(31,33,34,0.06);
            --shadow-md: 0 8px 24px rgba(31,33,34,0.09);
            --shadow-lg: 0 18px 48px rgba(31,33,34,0.13);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --font-cn: "PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
            --font-en: "Inter","SF Pro Display",system-ui,sans-serif;
            --transition-fast: 0.25s ease;
            --transition-med: 0.35s ease;
            --transition-slow: 0.5s ease;
            --spacing-section: 80px;
            --spacing-section-mobile: 48px;
            --container-max: 1200px;
        }

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

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

        body {
            font-family: var(--font-cn);
            background-color: var(--bg-primary);
            color: var(--ink-primary);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--ink-primary);
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
        }

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

        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;
        }

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

        /* ===== Header / 招投标公告导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 200;
            background: rgba(245,243,238,0.96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid transparent;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .site-header.scrolled {
            border-bottom-color: var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 20px;
            flex-wrap: wrap;
            padding: 8px 0;
        }

        .logo {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--ink-primary);
            white-space: nowrap;
            transition: color var(--transition-fast);
            line-height: 1.3;
        }

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

        .logo-sub {
            display: block;
            font-size: 11px;
            font-weight: 400;
            letter-spacing: 2px;
            color: var(--ink-tertiary);
            margin-top: 1px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .main-nav a {
            padding: 8px 14px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink-secondary);
            transition: all var(--transition-fast);
            position: relative;
        }

        .main-nav a:hover {
            color: var(--ink-primary);
            background: var(--bg-tertiary);
        }

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

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent-primary);
            border-radius: 2px;
        }

        .header-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .header-chip {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 12px;
            border-radius: var(--radius-pill);
            background: var(--white);
            border: 1px solid var(--border-light);
            font-size: 12px;
            font-weight: 500;
            color: var(--ink-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .header-chip:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            background: #FDFCFA;
        }

        .header-chip .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-tertiary);
            animation: pulse-dot 2s infinite;
        }

        .header-chip .dot.gold {
            background: var(--accent-primary);
        }

        .header-chip .dot.green {
            background: var(--accent-secondary);
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            border: 1px solid var(--border-light);
            background: var(--white);
        }

        .mobile-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--ink-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .mobile-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .mobile-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .mobile-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(0.8); }
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            padding: 24px 0 8px;
            font-size: 13px;
            color: var(--ink-tertiary);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }

        .breadcrumb a {
            color: var(--ink-secondary);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .sep {
            color: var(--border-light);
            user-select: none;
        }

        .breadcrumb .current {
            color: var(--ink-primary);
            font-weight: 500;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 320px;
        }

        /* ===== 文章页主布局 ===== */
        .article-main {
            padding: 24px 0 64px;
        }

        .article-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .article-header {
            margin-bottom: 28px;
        }

        .article-category-chip {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: var(--bg-tertiary);
            color: var(--accent-secondary);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }

        .article-header h1 {
            font-size: 32px;
            line-height: 1.3;
            font-weight: 700;
            letter-spacing: 0.3px;
            color: var(--ink-primary);
            margin-bottom: 14px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
            color: var(--ink-tertiary);
            border-bottom: 1px solid var(--border-light);
            padding-bottom: 18px;
        }

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

        .article-meta .meta-icon {
            width: 16px;
            height: 16px;
            display: inline-block;
            background: var(--accent-primary);
            border-radius: 50%;
            opacity: 0.7;
        }

        /* ===== 正文阅读区 ===== */
        .article-body {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 32px;
            box-shadow: var(--shadow-sm);
            font-size: 16px;
            line-height: 1.9;
            color: var(--ink-primary);
            margin-bottom: 28px;
        }

        .article-body p {
            margin-bottom: 22px;
        }

        .article-body h2,
        .article-body h3 {
            font-weight: 650;
            line-height: 1.4;
            margin: 28px 0 14px;
            color: var(--ink-primary);
        }

        .article-body h2 {
            font-size: 24px;
            border-left: 4px solid var(--accent-primary);
            padding-left: 14px;
        }

        .article-body h3 {
            font-size: 20px;
            color: var(--accent-secondary);
        }

        .article-body ul,
        .article-body ol {
            margin: 16px 0 22px;
            padding-left: 28px;
        }

        .article-body li {
            margin-bottom: 8px;
        }

        .article-body blockquote {
            margin: 24px 0;
            padding: 16px 20px;
            background: var(--bg-tertiary);
            border-left: 3px solid var(--accent-primary);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--ink-secondary);
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 24px auto;
        }

        .article-body strong {
            color: var(--ink-primary);
            font-weight: 600;
        }

        .article-body a {
            color: var(--accent-secondary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-body a:hover {
            color: var(--accent-primary);
        }

        .article-body .not-found {
            text-align: center;
            color: var(--ink-secondary);
            padding: 40px 0;
        }

        /* ===== 内容标签 ===== */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 28px;
        }

        .article-tags a {
            display: inline-block;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            background: var(--white);
            border: 1px solid var(--border-light);
            font-size: 12px;
            color: var(--ink-secondary);
            transition: all var(--transition-fast);
        }

        .article-tags a:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            background: #FDFCFA;
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            margin-bottom: 32px;
        }

        .related-section h2 {
            font-size: 22px;
            font-weight: 650;
            margin-bottom: 18px;
            color: var(--ink-primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .related-section h2::before {
            content: '';
            width: 4px;
            height: 22px;
            background: var(--accent-primary);
            border-radius: 2px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }

        .related-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
            display: flex;
            flex-direction: column;
        }

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

        .related-card img {
            width: 100%;
            height: 150px;
            object-fit: cover;
        }

        .related-card-body {
            padding: 16px 18px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .related-card-body h3 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--ink-primary);
            margin: 0;
        }

        .related-card-body h3 a {
            color: inherit;
        }

        .related-card-body h3 a:hover {
            color: var(--accent-secondary);
        }

        .related-card-body p {
            font-size: 13px;
            color: var(--ink-secondary);
            line-height: 1.6;
            margin: 0;
        }

        .related-card-body .related-meta {
            font-size: 12px;
            color: var(--ink-tertiary);
        }

        /* ===== 返回入口 ===== */
        .article-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 32px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            white-space: nowrap;
            cursor: pointer;
        }

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

        .btn-primary:hover {
            background: var(--accent-primary-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
            color: var(--white);
        }

        .btn-secondary {
            background: var(--white);
            color: var(--ink-primary);
            border-color: var(--ink-primary);
        }

        .btn-secondary:hover {
            background: var(--ink-primary);
            color: var(--white);
            transform: translateY(-1px);
        }

        .btn-ghost {
            background: transparent;
            color: var(--ink-secondary);
            border-color: var(--border-light);
        }

        .btn-ghost:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            background: #FDFCFA;
        }

        .btn:active {
            transform: scale(0.98);
        }

        .btn:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(176,139,83,0.35);
        }

        /* ===== 订阅更新条 ===== */
        .subscribe-bar {
            background: var(--bg-secondary);
            color: #F5F3EE;
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .subscribe-bar h3 {
            font-size: 20px;
            font-weight: 650;
            margin-bottom: 6px;
            color: #FFFFFF;
        }

        .subscribe-bar p {
            font-size: 13px;
            color: #C9C5BD;
            margin: 0;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .subscribe-form input[type="email"],
        .subscribe-form input[type="text"] {
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid #3F4244;
            background: #26282A;
            color: #F5F3EE;
            outline: none;
            min-width: 220px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .subscribe-form input::placeholder {
            color: #8A8D8F;
        }

        .subscribe-form input:focus {
            border-color: var(--accent-primary);
            box-shadow: 0 0 0 3px rgba(176,139,83,0.25);
        }

        .subscribe-form .btn-primary {
            background: var(--accent-primary);
            color: var(--white);
            border: none;
        }

        /* ===== 版权声明条 ===== */
        .article-copyright {
            font-size: 12px;
            color: var(--ink-tertiary);
            border-top: 1px solid var(--border-light);
            padding-top: 18px;
            margin-bottom: 24px;
            text-align: center;
            line-height: 1.6;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-secondary);
            color: #C9C5BD;
            padding: 48px 0 28px;
            margin-top: 40px;
        }

        .site-footer a {
            color: #C9C5BD;
            transition: color var(--transition-fast);
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: #9A9EA1;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

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

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

        .footer-col ul li a {
            font-size: 13px;
        }

        .footer-bottom {
            border-top: 1px solid #2C2F31;
            padding-top: 18px;
            font-size: 12px;
            color: #8A8D8F;
            text-align: center;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }

            .article-body {
                padding: 24px;
            }

            .article-header h1 {
                font-size: 28px;
            }

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

        @media (max-width: 768px) {
            .header-inner {
                min-height: 60px;
                gap: 12px;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--bg-primary);
                flex-direction: column;
                align-items: flex-start;
                padding: 12px 20px;
                gap: 6px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
                z-index: 300;
            }

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

            .main-nav a {
                width: 100%;
                padding: 10px 12px;
            }

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

            .mobile-toggle {
                display: flex;
            }

            .header-chips {
                order: 2;
                width: 100%;
                overflow-x: auto;
                padding-bottom: 6px;
                -webkit-overflow-scrolling: touch;
            }

            .header-chip {
                flex: 0 0 auto;
            }

            .article-main {
                padding: 16px 0 48px;
            }

            .article-container {
                padding: 0 12px;
            }

            .article-body {
                padding: 20px;
                font-size: 15px;
            }

            .article-header h1 {
                font-size: 24px;
            }

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

            .article-actions {
                flex-direction: column;
            }

            .article-actions .btn {
                width: 100%;
            }

            .subscribe-bar {
                padding: 20px;
            }

            .subscribe-form input[type="email"],
            .subscribe-form input[type="text"] {
                min-width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

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

            .logo {
                font-size: 17px;
            }

            .logo-sub {
                font-size: 10px;
                letter-spacing: 1px;
            }

            .breadcrumb .current {
                max-width: 180px;
            }

            .article-header h1 {
                font-size: 22px;
            }

            .article-body {
                padding: 16px;
                border-radius: var(--radius-sm);
            }

            .related-card img {
                height: 120px;
            }

            .site-footer {
                padding: 32px 0 20px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #F5F3EE;
            --bg-secondary: #1A1C1D;
            --bg-tertiary: #EBE8E1;
            --ink-primary: #1F2122;
            --ink-secondary: #5A5D60;
            --ink-tertiary: #8A8D8F;
            --accent-primary: #B08B53;
            --accent-primary-hover: #93713F;
            --accent-secondary: #2E6E6A;
            --accent-tertiary: #A64A3A;
            --border-light: #E2DED5;
            --white: #FFFFFF;
            --shadow-sm: 0 2px 8px rgba(31,33,34,0.06);
            --shadow-md: 0 8px 24px rgba(31,33,34,0.09);
            --shadow-lg: 0 18px 48px rgba(31,33,34,0.13);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --font-cn: "PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
            --font-en: "Inter","SF Pro Display",system-ui,sans-serif;
            --transition-fast: 0.25s ease;
            --transition-med: 0.35s ease;
            --transition-slow: 0.5s ease;
            --spacing-section: 80px;
            --spacing-section-mobile: 48px;
            --container-max: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-cn);
            background-color: var(--bg-primary);
            color: var(--ink-primary);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--ink-primary);
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-secondary);
        }
        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;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / 招投标公告导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 200;
            background: rgba(245,243,238,0.96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid transparent;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .site-header.scrolled {
            border-bottom-color: var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 20px;
            flex-wrap: wrap;
            padding: 8px 0;
        }
        .logo {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--ink-primary);
            white-space: nowrap;
            transition: color var(--transition-fast);
            line-height: 1.3;
        }
        .logo:hover {
            color: var(--accent-primary);
        }
        .logo-sub {
            display: block;
            font-size: 11px;
            font-weight: 400;
            letter-spacing: 2px;
            color: var(--ink-tertiary);
            margin-top: 1px;
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .main-nav a {
            padding: 8px 14px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink-secondary);
            transition: all var(--transition-fast);
            position: relative;
        }
        .main-nav a:hover {
            color: var(--ink-primary);
            background: var(--bg-tertiary);
        }
        .main-nav a.active {
            color: var(--accent-primary);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent-primary);
            border-radius: 2px;
        }
        .header-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .header-chip {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 12px;
            border-radius: var(--radius-pill);
            background: var(--white);
            border: 1px solid var(--border-light);
            font-size: 12px;
            font-weight: 500;
            color: var(--ink-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .header-chip:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            background: #FDFCFA;
        }
        .header-chip .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-tertiary);
            animation: pulse-dot 2s infinite;
        }
        .header-chip .dot.gold {
            background: var(--accent-primary);
        }
        .header-chip .dot.green {
            background: var(--accent-secondary);
        }
        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 10px;
            border-radius: 6px;
            background: transparent;
            border: 1px solid var(--border-light);
        }
        .mobile-toggle span {
            width: 22px;
            height: 2px;
            background: var(--ink-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .mobile-menu {
            display: none;
            background: var(--bg-primary);
            border-top: 1px solid var(--border-light);
            padding: 16px 24px 24px;
            box-shadow: var(--shadow-md);
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            margin-bottom: 16px;
        }
        .mobile-nav a {
            padding: 12px 10px;
            border-radius: 6px;
            font-size: 16px;
            font-weight: 500;
            color: var(--ink-primary);
            transition: background var(--transition-fast);
        }
        .mobile-nav a:hover,
        .mobile-nav a.active {
            background: var(--bg-tertiary);
            color: var(--accent-primary);
        }
        .mobile-chips {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        /* Breadcrumb */
        .breadcrumb {
            padding: 20px 0 0;
            font-size: 13px;
            color: var(--ink-tertiary);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--ink-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--accent-primary);
        }
        .breadcrumb span {
            color: var(--ink-tertiary);
        }

        /* Category Hero */
        .category-hero {
            padding: 40px 0 32px;
            display: grid;
            grid-template-columns: 1fr 400px;
            gap: 40px;
            align-items: center;
        }
        .category-hero-text .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-pill);
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-primary);
            letter-spacing: 1px;
            margin-bottom: 16px;
        }
        .category-hero-text h1 {
            font-size: 36px;
            line-height: 1.25;
            letter-spacing: 0.5px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .category-hero-text .lead {
            font-size: 16px;
            color: var(--ink-secondary);
            line-height: 1.8;
            max-width: 640px;
        }
        .category-hero-side {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .hero-img-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            background: var(--bg-tertiary);
        }
        .hero-img-wrap img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            animation: float-img 6s ease-in-out infinite;
        }
        .hero-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .stat-chip {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 500;
            color: var(--ink-secondary);
            transition: border-color var(--transition-fast), color var(--transition-fast);
        }
        .stat-chip:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
        }

        /* Stats Bar */
        .stats-bar {
            margin: 24px 0 48px;
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            box-shadow: var(--shadow-sm);
        }
        .stat-item {
            text-align: center;
        }
        .stat-item .num {
            font-size: 30px;
            font-weight: 700;
            color: var(--accent-primary);
            line-height: 1.2;
            letter-spacing: 1px;
        }
        .stat-item .label {
            font-size: 13px;
            color: rgba(255,255,255,0.7);
            margin-top: 4px;
        }

        /* Section titles */
        .section-head {
            margin-bottom: 24px;
        }
        .section-head h2 {
            font-size: 26px;
            font-weight: 650;
            letter-spacing: 0.5px;
            color: var(--ink-primary);
            position: relative;
            display: inline-block;
            padding-bottom: 8px;
        }
        .section-head h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 48px;
            height: 2px;
            background: var(--accent-primary);
            border-radius: 2px;
        }
        .section-head p {
            margin-top: 12px;
            color: var(--ink-secondary);
            font-size: 15px;
        }

        /* Latest list */
        .latest-section {
            padding: 40px 0;
        }
        .info-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        .info-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
        }
        .info-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent-primary);
        }
        .info-card-link {
            display: grid;
            grid-template-columns: 130px 1fr;
            gap: 16px;
            padding: 12px;
            color: inherit;
        }
        .info-card-thumb {
            width: 130px;
            height: 90px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--bg-tertiary);
            flex-shrink: 0;
        }
        .info-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .info-card-body h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 6px;
            color: var(--ink-primary);
        }
        .info-card-body p {
            font-size: 14px;
            color: var(--ink-secondary);
            line-height: 1.7;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .info-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 2px 10px;
            background: var(--bg-tertiary);
            border-radius: var(--radius-pill);
            font-size: 12px;
            color: var(--ink-secondary);
            font-weight: 500;
        }
        .time {
            font-size: 12px;
            color: var(--ink-tertiary);
        }
        .empty-state {
            padding: 32px;
            text-align: center;
            background: var(--white);
            border: 1px dashed var(--border-light);
            border-radius: var(--radius-md);
            color: var(--ink-tertiary);
            font-size: 15px;
        }

        /* Filter bar */
        .filter-bar {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin: 16px 0 40px;
        }
        .filter-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--ink-primary);
            white-space: nowrap;
        }
        .filter-chips {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-chip {
            padding: 7px 14px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-light);
            background: var(--white);
            color: var(--ink-secondary);
            font-size: 13px;
            font-weight: 500;
            transition: all var(--transition-fast);
        }
        .filter-chip:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
        }
        .filter-chip.active {
            background: var(--accent-primary);
            border-color: var(--accent-primary);
            color: var(--white);
        }
        .sort-select {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--ink-secondary);
        }
        .sort-select select {
            padding: 8px 12px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            background: var(--white);
            color: var(--ink-primary);
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .sort-select select:focus {
            border-color: var(--accent-primary);
            box-shadow: 0 0 0 3px rgba(176,139,83,0.2);
        }

        /* Topic recommendation */
        .topic-reco {
            padding: 40px 0;
        }
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .topic-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
        }
        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent-primary);
        }
        .topic-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        .topic-card-body {
            padding: 16px;
        }
        .topic-card-body h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--ink-primary);
        }
        .topic-card-body p {
            font-size: 13px;
            color: var(--ink-secondary);
            line-height: 1.6;
            margin-bottom: 10px;
        }
        .topic-card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .topic-card-tags .badge {
            background: var(--bg-tertiary);
        }
        .topic-card-tags .badge.hot {
            background: #F5E3DC;
            color: var(--accent-tertiary);
        }

        /* FAQ */
        .faq-section {
            padding: 40px 0;
            background: var(--bg-tertiary);
            border-radius: var(--radius-md);
            margin: 16px 0 40px;
        }
        .faq-section .container {
            padding: 32px 24px;
        }
        .faq-list details {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .faq-list details[open] {
            border-color: var(--accent-primary);
            box-shadow: var(--shadow-sm);
        }
        .faq-list summary {
            padding: 14px 18px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--ink-primary);
        }
        .faq-list summary::-webkit-details-marker {
            display: none;
        }
        .faq-list summary::after {
            content: '+';
            font-size: 22px;
            color: var(--accent-primary);
            transition: transform var(--transition-fast);
        }
        .faq-list details[open] summary::after {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 18px 14px;
            font-size: 14px;
            color: var(--ink-secondary);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            padding: 40px 0;
        }
        .cta-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 24px;
            align-items: center;
            box-shadow: var(--shadow-lg);
        }
        .cta-card h2 {
            color: var(--white);
            font-size: 24px;
            font-weight: 650;
            margin-bottom: 8px;
        }
        .cta-card p {
            color: rgba(255,255,255,0.75);
            font-size: 14px;
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }
        .cta-form input {
            padding: 12px 16px;
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: var(--radius-sm);
            background: rgba(255,255,255,0.08);
            color: var(--white);
            outline: none;
            min-width: 240px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .cta-form input::placeholder {
            color: rgba(255,255,255,0.4);
        }
        .cta-form input:focus {
            border-color: var(--accent-primary);
            box-shadow: 0 0 0 3px rgba(176,139,83,0.3);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            background: var(--accent-primary);
            color: var(--white);
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--accent-primary-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-primary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(176,139,83,0.35);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            color: rgba(255,255,255,0.75);
            padding: 48px 0 24px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            color: var(--white);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255,255,255,0.55);
        }
        .footer-col h4 {
            color: var(--white);
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col li {
            margin-bottom: 8px;
        }
        .footer-col a {
            color: rgba(255,255,255,0.6);
            font-size: 14px;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 18px;
            text-align: center;
            font-size: 13px;
            color: rgba(255,255,255,0.4);
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.35; }
        }
        @keyframes float-img {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-4px); }
        }
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(12px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .category-hero, .stats-bar, .latest-section, .filter-bar, .topic-reco, .faq-section, .cta-section {
            animation: fadeInUp 0.5s ease both;
        }
        .latest-section { animation-delay: 0.1s; }
        .filter-bar { animation-delay: 0.2s; }
        .topic-reco { animation-delay: 0.3s; }
        .faq-section { animation-delay: 0.4s; }
        .cta-section { animation-delay: 0.5s; }

        /* Responsive */
        @media (max-width: 1024px) {
            .category-hero {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .category-hero-side {
                flex-direction: row;
                align-items: center;
                gap: 16px;
            }
            .hero-img-wrap {
                flex: 1;
            }
            .hero-chips {
                flex-direction: column;
                justify-content: center;
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-right {
                gap: 8px;
            }
            .main-nav {
                display: none;
            }
            .header-chips {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .category-hero {
                padding: 24px 0 16px;
            }
            .category-hero-text h1 {
                font-size: 28px;
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .info-card-link {
                grid-template-columns: 100px 1fr;
                gap: 12px;
            }
            .info-card-thumb {
                width: 100px;
                height: 74px;
            }
            .filter-bar {
                flex-direction: column;
                align-items: stretch;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .cta-card {
                grid-template-columns: 1fr;
            }
            .cta-form {
                justify-content: flex-start;
            }
            .cta-form input {
                min-width: 0;
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .container {
                padding: 0 16px;
            }
            :root {
                --spacing-section: 48px;
            }
        }
        @media (max-width: 520px) {
            .category-hero-side {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-img-wrap img {
                height: 160px;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                padding: 16px;
            }
            .stat-item .num {
                font-size: 24px;
            }
            .info-card-link {
                grid-template-columns: 1fr;
            }
            .info-card-thumb {
                width: 100%;
                height: 140px;
            }
            .section-head h2 {
                font-size: 22px;
            }
            .category-hero-text h1 {
                font-size: 24px;
            }
            .faq-list summary {
                font-size: 15px;
            }
        }