/* roulang page: index */
:root {
      --primary: #00A86B;
      --primary-hover: #008f5b;
      --primary-light: #e6f7f0;
      --secondary: #111827;
      --accent: #FF6B00;
      --accent-hover: #e05e00;
      --text-main: #1f2937;
      --text-muted: #4b5563;
      --text-light: #9ca3af;
      --bg-body: #f8fafc;
      --bg-white: #ffffff;
      --bg-dark: #0b1120;
      --border-color: #e2e8f0;
      --border-focus: #00A86B;
      --radius-sm: 4px;
      --radius-md: 8px;
      --radius-lg: 12px;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
      --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
      --shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.08);
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
      --font-stack: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: var(--font-stack);
      color: var(--text-main);
      background-color: var(--bg-body);
      line-height: 1.75;
      letter-spacing: 0.02em;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    button, input, select, textarea {
      font-family: inherit;
      font-size: 1rem;
    }

    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部通知条 */
    .top-bar {
      background-color: #f1f5f9;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.85rem;
      color: var(--text-muted);
      padding: 8px 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }
    .top-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: #e2e8f0;
      padding: 2px 8px;
      border-radius: var(--radius-sm);
      font-weight: 500;
      color: var(--secondary);
    }
    .top-badge-dot {
      width: 8px;
      height: 8px;
      background-color: var(--primary);
      border-radius: 50%;
      display: inline-block;
    }
    .top-contact {
      display: flex;
      gap: 16px;
    }

    /* 导航栏 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(255, 255, 255, 0.98);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--secondary);
    }
    .brand-icon {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--primary) 0%, #00784d 100%);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-md);
      font-weight: 900;
      font-size: 1.1rem;
    }
    .brand-text {
      letter-spacing: -0.01em;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 28px;
    }
    .nav-link {
      font-weight: 600;
      font-size: 0.95rem;
      color: var(--text-main);
      padding: 6px 2px;
      position: relative;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }
    .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background-color: var(--primary);
      transition: var(--transition);
    }
    .nav-link:hover::after, .nav-link.active::after {
      width: 100%;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      border-radius: var(--radius-md);
      font-weight: 600;
      font-size: 0.95rem;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }
    .btn-primary {
      background-color: var(--primary);
      color: #ffffff;
      border-color: var(--primary);
    }
    .btn-primary:hover {
      background-color: var(--primary-hover);
      border-color: var(--primary-hover);
      box-shadow: 0 4px 12px rgba(0, 168, 107, 0.25);
    }
    .btn-secondary {
      background-color: var(--secondary);
      color: #ffffff;
    }
    .btn-secondary:hover {
      background-color: #273549;
    }
    .btn-accent {
      background-color: var(--accent);
      color: #ffffff;
    }
    .btn-accent:hover {
      background-color: var(--accent-hover);
      box-shadow: 0 4px 12px rgba(255, 107, 0, 0.25);
    }
    .btn-outline {
      border-color: var(--border-color);
      background-color: #ffffff;
      color: var(--text-main);
    }
    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background-color: var(--primary-light);
    }
    .btn-lg {
      padding: 14px 28px;
      font-size: 1.05rem;
    }
    .menu-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }
    .menu-toggle span {
      width: 24px;
      height: 2px;
      background-color: var(--secondary);
      transition: var(--transition);
    }

    /* 板块通用统一样式 */
    .section-block {
      padding: 80px 0;
      position: relative;
    }
    .section-bg-light {
      background-color: var(--bg-body);
    }
    .section-bg-white {
      background-color: var(--bg-white);
    }
    .section-bg-dark {
      background-color: var(--bg-dark);
      color: #e2e8f0;
    }
    .section-header {
      margin-bottom: 48px;
    }
    .section-header.text-center {
      text-align: center;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary);
      background-color: var(--primary-light);
      padding: 4px 12px;
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }
    .section-bg-dark .section-tag {
      background-color: rgba(0, 168, 107, 0.2);
      color: #34d399;
    }
    .section-title {
      font-size: 2.15rem;
      font-weight: 800;
      color: var(--secondary);
      line-height: 1.35;
      margin-bottom: 16px;
      position: relative;
    }
    .section-bg-dark .section-title {
      color: #ffffff;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.8;
    }
    .section-bg-dark .section-desc {
      color: #94a3b8;
    }

    /* 01. Hero 本地感地图与区域入口 */
    .hero-section {
      padding: 70px 0 90px;
      background-color: #f1f8f5;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }
    .hero-h1 {
      font-size: 2.85rem;
      font-weight: 800;
      color: var(--secondary);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.02em;
    }
    .hero-h1 span {
      color: var(--primary);
    }
    .hero-lead {
      font-size: 1.12rem;
      color: var(--text-muted);
      line-height: 1.85;
      margin-bottom: 32px;
    }
    .hero-region-bar {
      background: #ffffff;
      padding: 16px 20px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
      margin-bottom: 32px;
    }
    .region-bar-title {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--text-light);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .region-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .region-btn {
      padding: 5px 12px;
      font-size: 0.85rem;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      background-color: #f8fafc;
      cursor: pointer;
      transition: var(--transition);
      color: var(--text-main);
    }
    .region-btn:hover, .region-btn.active {
      background-color: var(--primary);
      border-color: var(--primary);
      color: #ffffff;
    }
    .hero-buttons {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }
    .hero-visual {
      position: relative;
    }
    .hero-map-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
      overflow: hidden;
    }
    .hero-map-header {
      padding: 16px 20px;
      background-color: var(--secondary);
      color: #ffffff;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.95rem;
      font-weight: 700;
    }
    .live-dot {
      display: inline-block;
      width: 10px;
      height: 10px;
      background-color: #10b981;
      border-radius: 50%;
      box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.3);
    }
    .hero-map-img {
      width: 100%;
      height: 310px;
      object-fit: cover;
    }
    .hero-map-stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      padding: 16px;
      gap: 12px;
      background: #ffffff;
      text-align: center;
      border-top: 1px solid var(--border-color);
    }
    .hero-stat-item strong {
      display: block;
      font-size: 1.3rem;
      color: var(--secondary);
      font-weight: 800;
    }
    .hero-stat-item span {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 02. 内容日历与赛务中枢 */
    .calendar-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }
    .calendar-tabs {
      display: flex;
      border-bottom: 1px solid var(--border-color);
      background-color: #f8fafc;
      overflow-x: auto;
    }
    .cal-tab {
      padding: 16px 24px;
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--text-muted);
      border-bottom: 2px solid transparent;
      cursor: pointer;
      white-space: nowrap;
      transition: var(--transition);
    }
    .cal-tab.active {
      color: var(--primary);
      border-color: var(--primary);
      background-color: #ffffff;
    }
    .calendar-list {
      display: flex;
      flex-direction: column;
    }
    .calendar-row {
      display: grid;
      grid-template-columns: 140px 1.5fr 1fr 140px 120px;
      align-items: center;
      padding: 20px 24px;
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition);
      gap: 16px;
    }
    .calendar-row:last-child {
      border-bottom: none;
    }
    .calendar-row:hover {
      background-color: #fcfdfd;
    }
    .cal-date {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--secondary);
    }
    .cal-title {
      font-weight: 700;
      font-size: 1.05rem;
      color: var(--secondary);
    }
    .cal-meta {
      font-size: 0.85rem;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .cal-status {
      display: inline-flex;
      align-items: center;
      padding: 4px 10px;
      border-radius: 9999px;
      font-size: 0.8rem;
      font-weight: 600;
    }
    .status-live {
      background-color: #dcfce7;
      color: #15803d;
    }
    .status-upcoming {
      background-color: #fef3c7;
      color: #b45309;
    }
    .status-ended {
      background-color: #f1f5f9;
      color: #64748b;
    }

    /* 03. 热门专题矩阵 */
    .topics-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .topic-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .topic-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: #cbd5e1;
    }
    .topic-thumb {
      height: 190px;
      overflow: hidden;
      position: relative;
    }
    .topic-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .topic-card:hover .topic-thumb img {
      transform: scale(1.05);
    }
    .topic-badge {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(17, 24, 39, 0.8);
      backdrop-filter: blur(4px);
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 600;
      padding: 3px 10px;
      border-radius: var(--radius-sm);
    }
    .topic-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .topic-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 12px;
      line-height: 1.4;
    }
    .topic-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .topic-link {
      font-weight: 700;
      font-size: 0.9rem;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .topic-link:hover {
      color: var(--primary-hover);
    }

    /* 04. 专家观点解读与规则编排架构 */
    .insights-layout {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 36px;
      align-items: center;
    }
    .insights-card-main {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }
    .quote-box {
      border-left: 4px solid var(--primary);
      padding-left: 20px;
      margin-bottom: 24px;
    }
    .quote-box p {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--secondary);
      line-height: 1.6;
    }
    .specs-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .specs-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
    }
    .specs-icon {
      width: 24px;
      height: 24px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.8rem;
      font-weight: 800;
      flex-shrink: 0;
      margin-top: 2px;
    }
    .specs-content strong {
      display: block;
      color: var(--secondary);
      font-size: 0.98rem;
    }
    .specs-content span {
      font-size: 0.88rem;
      color: var(--text-muted);
    }
    .insights-side-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .side-article-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      transition: var(--transition);
    }
    .side-article-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
    }
    .side-article-tag {
      font-size: 0.75rem;
      color: var(--accent);
      font-weight: 700;
      margin-bottom: 6px;
    }
    .side-article-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--secondary);
      line-height: 1.45;
      margin-bottom: 8px;
    }
    .side-article-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 05. 核心产品方案矩阵 */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      align-items: stretch;
    }
    .tier-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      display: flex;
      flex-direction: column;
      position: relative;
      transition: var(--transition);
    }
    .tier-card:hover {
      box-shadow: var(--shadow-lg);
    }
    .tier-card.featured {
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-md);
      transform: translateY(-8px);
    }
    .tier-featured-tag {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 4px 14px;
      border-radius: 9999px;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }
    .tier-title {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--secondary);
      margin-bottom: 8px;
    }
    .tier-subtitle {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 24px;
      min-height: 42px;
    }
    .tier-scale {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--accent);
      padding-bottom: 20px;
      margin-bottom: 20px;
      border-bottom: 1px solid var(--border-color);
    }
    .tier-features {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-bottom: 32px;
      flex-grow: 1;
    }
    .tier-feature-item {
      font-size: 0.92rem;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .tier-feature-item::before {
      content: "✓";
      color: var(--primary);
      font-weight: 900;
      font-size: 0.95rem;
    }

    /* 06. 资讯与行业发布列表 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .news-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }
    .news-card-img {
      height: 180px;
      overflow: hidden;
    }
    .news-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-card-body {
      padding: 22px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-date {
      font-size: 0.8rem;
      color: var(--text-light);
      margin-bottom: 8px;
    }
    .news-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--secondary);
      line-height: 1.45;
      margin-bottom: 10px;
    }
    .news-summary {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    /* 07. 方案流转工作流 */
    .workflow-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      position: relative;
      transition: var(--transition);
    }
    .step-card:hover {
      border-color: var(--primary);
    }
    .step-num {
      width: 38px;
      height: 38px;
      background: var(--secondary);
      color: #ffffff;
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      font-weight: 800;
      margin-bottom: 16px;
    }
    .step-title {
      font-size: 1.12rem;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 8px;
    }
    .step-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 08. 媒体精选与办赛案例墙 */
    .stories-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }
    .story-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      box-shadow: var(--shadow-sm);
    }
    .story-thumb {
      height: 100%;
      min-height: 240px;
    }
    .story-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .story-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .story-tag {
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 8px;
    }
    .story-title {
      font-size: 1.2rem;
      font-weight: 800;
      color: var(--secondary);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .story-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
    }
    .story-metric {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--accent);
      background: #fff7ed;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      width: fit-content;
    }

    /* 09. 数据分析与运营指标带 */
    .metrics-banner {
      background: linear-gradient(135deg, #0b1120 0%, #1e293b 100%);
      color: #ffffff;
      padding: 60px 0;
      border-top: 1px solid #334155;
      border-bottom: 1px solid #334155;
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .metric-box strong {
      display: block;
      font-size: 3.1rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
      margin-bottom: 8px;
      letter-spacing: -0.02em;
    }
    .metric-box h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 6px;
    }
    .metric-box p {
      font-size: 0.85rem;
      color: #94a3b8;
    }

    /* 10. 用户评价与执裁口碑 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .review-stars {
      color: #f59e0b;
      margin-bottom: 14px;
      font-size: 1rem;
    }
    .review-quote {
      font-size: 0.94rem;
      color: var(--text-main);
      line-height: 1.7;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      padding-top: 16px;
      border-top: 1px solid var(--border-color);
    }
    .reviewer-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #e2e8f0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--secondary);
    }
    .reviewer-info strong {
      display: block;
      font-size: 0.95rem;
      color: var(--secondary);
    }
    .reviewer-info span {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* 11. 合作伙伴与软硬件生态支持 */
    .partners-grid {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 16px;
    }
    .partner-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px 10px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      transition: var(--transition);
    }
    .partner-item:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
      transform: translateY(-2px);
    }
    .partner-tag {
      font-size: 0.7rem;
      font-weight: 700;
      color: var(--primary);
      background: var(--primary-light);
      padding: 2px 6px;
      border-radius: var(--radius-sm);
      margin-bottom: 8px;
    }
    .partner-name {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--secondary);
    }

    /* 12. 平台保障体系 */
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .guarantee-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
    }
    .guarantee-icon {
      width: 52px;
      height: 52px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      font-weight: 900;
      margin: 0 auto 16px;
    }
    .guarantee-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 8px;
    }
    .guarantee-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 13. 常见业务咨询与常见异议 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-question {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--secondary);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
    }
    .faq-toggle-icon {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--primary);
      transition: transform 0.3s ease;
    }
    .faq-answer {
      padding: 0 24px 20px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.75;
      display: block;
    }

    /* 14. 订阅条与需求对接收口区 */
    .cta-card {
      background: linear-gradient(135deg, #111827 0%, #1f2937 100%);
      border-radius: var(--radius-lg);
      padding: 56px 40px;
      color: #ffffff;
      box-shadow: var(--shadow-lg);
      position: relative;
      overflow: hidden;
    }
    .cta-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 36px;
      align-items: center;
      position: relative;
      z-index: 2;
    }
    .cta-title {
      font-size: 2.2rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 14px;
    }
    .cta-desc {
      font-size: 1.02rem;
      color: #94a3b8;
      line-height: 1.7;
    }
    .subscribe-form {
      display: flex;
      flex-direction: column;
      gap: 12px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.15);
      padding: 24px;
      border-radius: var(--radius-md);
    }
    .form-group-row {
      display: flex;
      gap: 10px;
    }
    .form-input {
      width: 100%;
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid #475569;
      background-color: #0f172a;
      color: #ffffff;
      outline: none;
      transition: var(--transition);
    }
    .form-input:focus {
      border-color: var(--primary);
    }
    .form-note {
      font-size: 0.78rem;
      color: #94a3b8;
      line-height: 1.4;
    }

    /* 页脚 */
    .site-footer {
      background-color: #0b1120;
      color: #94a3b8;
      padding: 60px 0 30px;
      border-top: 1px solid #1e293b;
      font-size: 0.9rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 48px;
    }
    .footer-brand h3 {
      color: #ffffff;
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 14px;
    }
    .footer-brand p {
      line-height: 1.75;
      margin-bottom: 16px;
      font-size: 0.88rem;
    }
    .footer-col h4 {
      color: #ffffff;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: var(--primary);
    }
    .footer-bottom {
      padding-top: 24px;
      border-top: 1px solid #1e293b;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.82rem;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .topics-grid, .pricing-grid, .news-grid, .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .workflow-timeline, .guarantee-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
      }
      .partners-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .insights-layout {
        grid-template-columns: 1fr;
      }
      .tier-card.featured {
        transform: none;
      }
    }

    @media (max-width: 768px) {
      .top-bar-inner {
        flex-direction: column;
        align-items: flex-start;
      }
      .menu-toggle {
        display: flex;
      }
      .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background-color: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        border-bottom: 1px solid var(--border-color);
        gap: 16px;
      }
      .nav-menu.open {
        display: flex;
      }
      .calendar-row {
        grid-template-columns: 1fr;
        gap: 8px;
      }
      .stories-grid {
        grid-template-columns: 1fr;
      }
      .story-card {
        grid-template-columns: 1fr;
      }
      .cta-grid {
        grid-template-columns: 1fr;
      }
      .form-group-row {
        flex-direction: column;
      }
      .hero-h1 {
        font-size: 2.2rem;
      }
    }

    @media (max-width: 520px) {
      .topics-grid, .pricing-grid, .news-grid, .reviews-grid, .guarantee-grid, .partners-grid {
        grid-template-columns: 1fr;
      }
      .workflow-timeline {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .section-block {
        padding: 50px 0;
      }
      .hero-section {
        padding: 40px 0 60px;
      }
    }