:root {
      --primary: #0891b2;
      --primary-dark: #0e7490;
      --primary-light: #06b6d4;
      --bg: #ffffff;
      --card: #ffffff;
      --dark: #0f172a;
      --text: #1e293b;
      --text-2: #64748b;
      --text-3: #94a3b8;
      --border: #e5e7eb;
      --r-sm: 6px;
      --r-md: 10px;
      --r-lg: 16px;
      --ease: cubic-bezier(.4,0,.2,1);
      --max: 1280px;
    }
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; font-size: 10px; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
      background: var(--bg);
      color: var(--text);
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: color .15s ease; }
    a:hover { color: var(--primary); }

    /* 导航栏 */
    .navbar {
      position: sticky;
      top: 0;
      z-index: 100;
      background: linear-gradient(90deg, #0f172a 0%, #0c4a6e 50%, #0e7490 100%);
    }
  .navbar-inner {
      max-width: var(--max);
      margin: 0 auto;
      padding: 0 32px;
      height: 70px;
      display: flex;
      align-items: center;
      gap: 24px;
    }
    .logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
    .logo-icon {
      width: 44px; height: 44px;
      background: var(--primary);
      border-radius: var(--r-md);
      display: flex; align-items: center; justify-content: center;
      color: #fff; font-weight: 900; font-size: 20px;
      box-shadow: 0 4px 16px rgba(8,145,178,0.4);
    }
    .logo-text { font-size: 20px; font-weight: 800; color: #fff; }
    .logo-text span { color: #22d3ee; }
    .logo-desc { font-size: 1.1rem; color: #64748b; margin-left: 12px; padding-left: 12px; border-left: 1px solid rgba(255,255,255,0.1); }
    .search-wrap { flex: 1; max-width: 560px; }
    .search-box {
      display: flex;
      background: rgba(255,255,255,0.1);
      border: 1.5px solid rgba(255,255,255,0.15);
      border-radius: 50px;
      overflow: hidden;
      transition: all .2s ease;
    }
    .search-box:focus-within {
      background: rgba(255,255,255,0.15);
      border-color: var(--primary-light);
      box-shadow: 0 0 0 3px rgba(6,182,212,0.15);
    }
    .search-box input {
      flex: 1; padding: 11px 20px; border: none; outline: none;
      font-size: 14px; color: #fff; background: transparent;
    }
    .search-box input::placeholder { color: #fff; }
    .search-box button {
      padding: 11px 22px;
      background: var(--primary);
      color: #fff; border: none; font-size: 14px; font-weight: 600;
      cursor: pointer; display: flex; align-items: center; gap: 6px;
      transition: background .2s ease;
    }
    .search-box button:hover { background: var(--primary-dark); }
    .search-box button svg { width: 16px; height: 16px; }
     .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
      margin-left: auto;
    }
    .btn-ghost {
      padding: 9px 20px;
      font-size: 13px;
      font-weight: 600;
      color: rgba(255,255,255,0.7);
      background: transparent;
      border: 1.5px solid rgba(255,255,255,0.2);
      border-radius: var(--r-sm);
      cursor: pointer;
      transition: all .15s ease;
    }
    .btn-ghost:hover { background: rgba(255,255,255,0.1); color: #fff; border-color: rgba(255,255,255,0.4); }
    .btn-primary {
      padding: 9px 20px;
      font-size: 13px;
      font-weight: 600;
      color: #fff;
      background: var(--primary);
      border: none;
      border-radius: var(--r-sm);
      cursor: pointer;
      transition: all .15s ease;
    }
    .btn-primary:hover { background: var(--primary-dark); }

    /* 面包屑 */
    .breadcrumb {
      background: #f8fafc;
      border-bottom: 1px solid var(--border);
      padding: 14px 32px;
    }
    .breadcrumb-inner {
      max-width: var(--max);
      margin: 0 auto;
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 1.3rem;
      color: var(--text-3);
    }
    .breadcrumb a { color: var(--text-2); }
    .breadcrumb a:hover { color: var(--primary); }
    .breadcrumb span { margin: 0 4px; }

    /* 主内容 */
    .main { flex: 1; max-width: var(--max); width: 100%; margin: 0 auto; padding: 40px 32px 64px; }

    /* 详情布局 */
    .detail-layout {
      display: flex;
      gap: 28px;
      align-items: flex-start;
    }
    .detail-main { flex: 1; min-width: 0; }

    /* 详情卡片 */
    .detail-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      overflow: hidden;
      margin-bottom: 28px;
    }
    .detail-img {
      width: 100%;
      max-height: 460px;
      overflow: hidden;
      background: #f1f5f9;
    }
    .detail-img img {
      width: 100%;
      max-height: 460px;
      object-fit: cover;
      display: block;
      transition: transform .3s ease;
    }
    .detail-card:hover .detail-img img { transform: scale(1.02); }
    .detail-body { padding: 36px 40px; }
    .detail-title {
      font-size: 2.4rem;
      font-weight: 900;
      color: var(--dark);
      line-height: 1.3;
      margin-bottom: 20px;
    }
    .detail-meta {
      display: flex;
      align-items: center;
      gap: 16px;
      padding-bottom: 24px;
      border-bottom: 1px solid var(--border);
      margin-bottom: 28px;
    }
    .detail-time {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 1.3rem;
      color: var(--text-3);
    }
    .detail-time svg { width: 14px; height: 14px; }
    .detail-divider { width: 1px; height: 14px; background: var(--border); }
    .detail-cat {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 1.3rem;
      color: var(--text-2);
    }
    .detail-cat-tag {
      display: inline-flex;
      align-items: center;
      padding: 4px 12px;
      background: rgba(8,145,178,0.08);
      color: var(--primary);
      font-size: 1.1rem;
      font-weight: 700;
      border-radius: 50px;
    }
    .detail-content {
      font-size: 1.5rem;
      color: var(--text);
      line-height: 1.9;
      text-indent: 2em;
    }

    /* 区块标题 */
    .block-title {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 24px;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .block-title::after { content: ''; flex: 1; height: 1px; background: var(--border); }

    /* 底部推荐网格 */
    .bottom-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .bottom-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      overflow: hidden;
      transition: all .2s var(--ease);
    }
    .bottom-card:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,0,0,0.08); border-color: var(--primary); }
    .bottom-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; display: block; background: #f1f5f9; }
    .bottom-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
    .bottom-body { padding: 14px; }
    .bottom-tag { display: inline-block; padding: 3px 10px; background: rgba(8,145,178,0.08); color: var(--primary); font-size: 1.1rem; font-weight: 700; border-radius: 50px; margin-bottom: 8px; }
    .bottom-title { font-size: 1.3rem; font-weight: 700; color: var(--dark); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 6px; }
    .bottom-time { font-size: 1.1rem; color: var(--text-3); }

    /* 侧边栏 */
    .detail-sidebar { width: 300px; flex-shrink: 0; position: sticky; top: 90px; }

    /* 企业信息卡片 */
    .side-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      overflow: hidden;
      margin-bottom: 20px;
    }
    .side-card-head {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 20px 24px;
      border-bottom: 1px solid var(--border);
      background: #f8fafc;
    }
    .side-card-icon {
      width: 32px; height: 32px;
      background: rgba(8,145,178,0.08);
      border-radius: var(--r-sm);
      display: flex; align-items: center; justify-content: center;
      flex-shrink: 0;
    }
    .side-card-icon svg { width: 16px; height: 16px; color: var(--primary); }
    .side-card-title { font-size: 1.4rem; font-weight: 700; color: var(--dark); }
    .brand-detail { padding: 20px 24px; display: flex; flex-direction: column; gap: 14px; }
    .brand-row { display: flex; align-items: flex-start; gap: 8px; font-size: 1.3rem; }
    .brand-row-label { color: var(--text-3); flex-shrink: 0; width: 52px; }
    .brand-row-value { color: var(--text-2); word-break: break-all; flex: 1; }
    .brand-row-value a { color: var(--primary); }
    .brand-row-value a:hover { text-decoration: underline; }
    .ent-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      margin-top: 8px;
      padding: 12px;
      background: var(--primary);
      color: #fff;
      font-size: 1.4rem;
      font-weight: 700;
      border-radius: var(--r-md);
      transition: all .2s ease;
    }
    .ent-btn:hover { background: var(--primary-dark); color: #fff; box-shadow: 0 4px 16px rgba(8,145,178,0.3); }
    .ent-btn svg { width: 16px; height: 16px; }

    /* 侧边推荐列表 */
    .side-list-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      overflow: hidden;
    }
    .side-list-card-head {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 20px 24px;
      border-bottom: 1px solid var(--border);
      background: #f8fafc;
    }
    .side-list-card-icon {
      width: 32px; height: 32px;
      background: rgba(249,115,22,0.08);
      border-radius: var(--r-sm);
      display: flex; align-items: center; justify-content: center;
      flex-shrink: 0;
    }
    .side-list-card-icon svg { width: 16px; height: 16px; color: #f97316; }
    .side-list-card-title { font-size: 1.4rem; font-weight: 700; color: var(--dark); }
    .side-list { display: flex; flex-direction: column; }
    .side-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 14px 20px;
      border-bottom: 1px solid var(--border);
      transition: all .15s ease;
    }
    .side-item:last-child { border-bottom: none; }
    .side-item:hover { background: #f8fafc; }
    .side-thumb { width: 52px; height: 52px; border-radius: var(--r-md); object-fit: cover; flex-shrink: 0; background: #f1f5f9; border: 1px solid var(--border); }
    .side-content { flex: 1; min-width: 0; }
    .side-title { font-size: 1.3rem; font-weight: 600; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin-bottom: 4px; transition: color .15s ease; }
    .side-item:hover .side-title { color: var(--primary); }
    .side-time { font-size: 1.1rem; color: var(--text-3); }
    .side-arrow { font-size: 1.6rem; color: var(--text-3); flex-shrink: 0; transition: all .15s ease; }
    .side-item:hover .side-arrow { color: var(--primary); transform: translateX(2px); }

    /* 页脚 */
    .footer { background: #f8fafc; border-top: 1px solid var(--border); padding: 32px; }
    .footer-inner { max-width: var(--max); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
    .footer-copy { font-size: 1.3rem; color: var(--text-3); }
    .footer-copy a { color: var(--text-3); }
    .footer-copy a:hover { color: var(--primary); }
    .footer-links { display: flex; gap: 24px; }
    .footer-links a { font-size: 1.3rem; color: var(--text-3); }
    .footer-links a:hover { color: var(--primary); }
    .footer-back-top { display: flex; align-items: center; gap: 6px; font-size: 1.3rem; color: var(--text-3); cursor: pointer; transition: color .15s ease; }
    .footer-back-top:hover { color: var(--primary); }
    .footer-back-top svg { width: 14px; height: 14px; }

    /* 响应式 */
    @media (max-width: 1100px) { .bottom-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (max-width: 900px) {
      .detail-layout { flex-direction: column; }
      .detail-sidebar { width: 100%; position: static; }
    }
    @media (max-width: 768px) {
      .navbar-inner { padding: 0 16px; height: 60px; gap: 12px; }
      .logo-desc { display: none; }
      .search-wrap { max-width: none; }
      .search-box button span { display: none; }
      .nav-actions { display: none; }
      .breadcrumb { padding: 12px 16px; }
      .main { padding: 24px 16px 48px; }
      .detail-img { max-height: 280px; }
      .detail-img img { max-height: 280px; }
      .detail-body { padding: 24px 20px; }
      .detail-title { font-size: 1.8rem; }
      .detail-meta { flex-wrap: wrap; gap: 8px; }
      .bottom-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
      .footer { padding: 24px 16px; }
      .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
      .footer-links { flex-wrap: wrap; justify-content: center; gap: 16px; }
    }