:root {
      --primary: #2563eb;
      --primary-dark: #1e40af;
      --primary-light: #3b82f6;
      --accent: #f97316;
      --bg: #f8fafc;
      --card: #ffffff;
      --dark: #0f172a;
      --text: #1e293b;
      --text-2: #64748b;
      --text-3: #94a3b8;
      --border: #e2e8f0;
      --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
      --r-sm: 8px;
      --r-md: 12px;
      --r-lg: 18px;
      --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;
    }
    a { color: inherit; text-decoration: none; transition: all .15s ease; }
    a:hover { color: var(--primary); }

    /* 导航栏 */
    .navbar {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255,255,255,0.92);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(226,232,240,0.6);
      box-shadow: 0 1px 20px rgba(0,0,0,0.04);
    }
    .navbar-inner {
      max-width: var(--max);
      margin: 0 auto;
      padding: 0 24px;
      height: 64px;
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
    .logo-icon {
      width: 40px; height: 40px;
      background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
      border-radius: 10px;
      display: flex; align-items: center; justify-content: center;
      color: #fff; font-weight: 800; font-size: 18px;
      box-shadow: 0 4px 12px rgba(37,99,235,0.35);
    }
    .logo-text { font-size: 18px; font-weight: 700; color: var(--dark); }
    .logo-text span { color: var(--primary); }
    .search-wrap { flex: 1; max-width: 520px; margin: 0 auto; }
    .search-box {
      display: flex;
      background: var(--bg);
      border: 1.5px solid var(--border);
      border-radius: 50px;
      overflow: hidden;
      transition: all .2s ease;
    }
    .search-box:focus-within {
      border-color: var(--primary);
      background: #fff;
      box-shadow: 0 0 0 4px rgba(37,99,235,0.1);
    }
    .search-box input {
      flex: 1; padding: 11px 20px; border: none; outline: none;
      font-size: 14px; color: var(--text); background: transparent;
    }
    .search-box input::placeholder { color: var(--text-3); }
    .search-box button {
      padding: 11px 22px;
      background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
      color: #fff; border: none; font-size: 14px; font-weight: 600;
      cursor: pointer; display: flex; align-items: center; gap: 6px;
      transition: opacity .2s ease;
    }
    .search-box button:hover { opacity: 0.9; }
    .search-box button svg { width: 16px; height: 16px; }
    .top-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
    .btn-sm {
      padding: 8px 18px; border-radius: 50px; font-size: 13px;
      font-weight: 600; cursor: pointer; border: none; transition: all .2s ease;
    }
    .btn-outline { background: transparent; color: var(--text-2); border: 1.5px solid var(--border); }
    .btn-outline:hover { border-color: var(--primary); color: var(--primary); background: rgba(37,99,235,0.04); }
    .btn-fill {
      background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
      color: #fff; box-shadow: 0 4px 12px rgba(37,99,235,0.25);
    }
    .btn-fill:hover { box-shadow: 0 6px 20px rgba(37,99,235,0.4); transform: translateY(-1px); }

    /* 英雄栏 */
    .hero {
      background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #1e3a5f 100%);
      padding: 80px 20px 90px;
      position: relative;
      overflow: hidden;
    }
    .hero::before {
      content: '';
      position: absolute; top: -120px; right: -80px;
      width: 500px; height: 500px;
      background: radial-gradient(circle, rgba(37,99,235,0.25) 0%, transparent 70%);
      border-radius: 50%; pointer-events: none;
    }
    .hero::after {
      content: '';
      position: absolute; bottom: -150px; left: -100px;
      width: 400px; height: 400px;
      background: radial-gradient(circle, rgba(124,58,237,0.2) 0%, transparent 70%);
      border-radius: 50%; pointer-events: none;
    }
    .hero-inner {
      max-width: var(--max);
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 48px;
      position: relative;
      z-index: 1;
    }
    .hero-left { flex: 1; }
    .hero-badge {
      display: inline-flex; align-items: center; gap: 8px;
      background: rgba(37,99,235,0.15); color: #93c5fd;
      font-size: 12px; font-weight: 700; padding: 6px 14px;
      border-radius: 50px; margin-bottom: 20px; letter-spacing: 1px;
    }
    .hero-badge::before {
      content: ''; width: 6px; height: 6px;
      background: #60a5fa; border-radius: 50%;
      animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.6; transform: scale(1.3); }
    }
    .hero h1 {
      font-size: 4.2rem; font-weight: 900; color: #fff;
      letter-spacing: 3px; margin-bottom: 16px; line-height: 1.1;
    }
    .hero h1 span {
      background: linear-gradient(135deg, #60a5fa, #a78bfa);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .hero-sub { font-size: 1.6rem; color: #94a3b8; letter-spacing: 4px; margin-bottom: 32px; }
    .quick-tags { display: flex; flex-wrap: wrap; gap: 10px; }
    .quick-tag {
      padding: 8px 18px;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: 50px; color: #cbd5e1;
      font-size: 13px; font-weight: 500; transition: all .2s ease;
    }
    .quick-tag:hover { background: rgba(37,99,235,0.3); border-color: rgba(37,99,235,0.5); color: #fff; }
    .hero-right { display: flex; gap: 16px; flex-shrink: 0; }
    .stat-card {
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: 16px; padding: 24px 28px; text-align: center;
      backdrop-filter: blur(10px); min-width: 120px;
    }
    .stat-num {
      font-size: 3.2rem; font-weight: 900;
      background: linear-gradient(135deg, #60a5fa, #a78bfa);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
      background-clip: text; line-height: 1; margin-bottom: 8px;
    }
    .stat-label { font-size: 1.2rem; color: #64748b; line-height: 1.4; }

    /* 内容区 */
    .main { flex: 1; max-width: var(--max); width: 100%; margin: 0 auto; padding: 40px 20px 60px; }

    /* 卡片 */
    .card {
      background: var(--card);
      border-radius: var(--r-lg);
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border);
      padding: 40px 48px;
      margin-bottom: 24px;
    }
    .card-head {
      display: flex; align-items: center; gap: 12px;
      margin-bottom: 28px; padding-bottom: 16px; border-bottom: 2px solid var(--border);
    }
    .card-head .bar {
      width: 4px; height: 22px;
      background: linear-gradient(180deg, var(--primary), var(--primary-light));
      border-radius: 2px;
    }
    .card-head .bar.orange { background: linear-gradient(180deg, var(--accent), #fbbf24); }
    .card-head h2 { font-size: 1.8rem; font-weight: 700; }
    .card-head h2 em { font-style: normal; color: var(--primary); }
    .card-head h2 em.orange { color: var(--accent); }
    .card-head .count {
      margin-left: auto; font-size: 1.2rem; color: var(--text-2);
      background: var(--bg); padding: 3px 10px; border-radius: 20px;
    }

    /* 精选大卡片 */
    .featured-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-bottom: 32px;
    }
    .featured-card {
      position: relative;
      background: linear-gradient(135deg, #1e293b 0%, #1e3a5f 100%);
      border-radius: var(--r-lg);
      padding: 28px 24px;
      overflow: hidden;
      transition: all .3s var(--ease);
      cursor: pointer;
      min-height: 160px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
    }
    .featured-card::before {
      content: '';
      position: absolute;
      top: -40px; right: -40px;
      width: 140px; height: 140px;
      border-radius: 50%;
      opacity: 0.15;
      transition: all .3s ease;
    }
    .featured-card:nth-child(1)::before { background: #3b82f6; }
    .featured-card:nth-child(2)::before { background: #8b5cf6; }
    .featured-card:nth-child(3)::before { background: #f97316; }
    .featured-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.2); }
    .featured-card:hover::before { transform: scale(1.4); opacity: 0.25; }
    .featured-rank {
      position: absolute;
      top: 16px; right: 16px;
      font-size: 4rem;
      font-weight: 900;
      color: rgba(255,255,255,0.08);
      line-height: 1;
    }
    .featured-name {
      font-size: 2rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 6px;
      position: relative;
      z-index: 1;
    }
    .featured-meta {
      display: flex;
      align-items: center;
      gap: 8px;
      position: relative;
      z-index: 1;
    }
    .featured-count {
      font-size: 1.4rem;
      color: rgba(255,255,255,0.6);
      font-weight: 500;
    }
    .featured-arrow {
      width: 28px; height: 28px;
      background: rgba(255,255,255,0.15);
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      color: #fff; font-size: 1.6rem;
      transition: all .2s ease;
    }
    .featured-card:hover .featured-arrow { background: #fff; color: var(--primary); }
    .featured-tag {
      display: inline-block;
      margin-top: 12px;
      padding: 4px 10px;
      background: rgba(255,255,255,0.1);
      border-radius: 50px;
      font-size: 1.1rem;
      color: rgba(255,255,255,0.7);
      position: relative;
      z-index: 1;
    }

    /* 小标签网格 */
    .tag-section-title {
      font-size: 1.4rem;
      font-weight: 600;
      color: var(--text-2);
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .tag-section-title::after {
      content: '';
      flex: 1;
      height: 1px;
      background: var(--border);
    }
    .kw-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 12px; }
    .kw-btn {
      display: flex; align-items: center; justify-content: center;
      padding: 12px 8px;
      background: var(--bg); border: 1.5px solid var(--border);
      border-radius: var(--r-md); font-size: 1.4rem; font-weight: 600;
      color: var(--text); text-decoration: none; text-align: center;
      transition: all .22s var(--ease); overflow: hidden; position: relative;
    }
    .kw-btn::after {
      content: ''; position: absolute; inset: 0;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      opacity: 0; transition: opacity .22s var(--ease);
    }
    .kw-btn span { position: relative; z-index: 1; }
    .kw-btn:hover {
      border-color: var(--primary); color: #fff;
      transform: translateY(-2px); box-shadow: 0 4px 14px rgba(37,99,235,.2);
    }
    .kw-btn:hover::after { opacity: 1; }

    /* 最新动态 */
    .news-list { display: flex; flex-direction: column; }
    .news-item {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 16px 0;
      border-bottom: 1px dashed var(--border);
      transition: all .15s ease;
    }
    .news-item:last-child { border-bottom: none; }
    .news-item:hover {
      background: #f8fafc;
      margin: 0 -12px;
      padding-left: 12px;
      padding-right: 12px;
      border-radius: var(--r-sm);
      border-bottom-color: transparent;
    }
    .news-thumb {
      width: 64px;
      height: 64px;
      border-radius: var(--r-md);
      object-fit: cover;
      flex-shrink: 0;
      background: var(--bg);
      border: 1px solid var(--border);
    }
    .news-content { flex: 1; min-width: 0; }
    .news-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 6px;
    }
    .news-tag {
      display: inline-block;
      padding: 3px 10px;
      background: rgba(37,99,235,0.08);
      color: var(--primary);
      font-size: 1.1rem;
      font-weight: 600;
      border-radius: 50px;
      transition: all .15s ease;
    }
    .news-item:hover .news-tag { background: var(--primary); color: #fff; }
    .news-date { font-size: 1.2rem; color: var(--text-3); }
    .news-title {
      font-size: 1.5rem;
      color: var(--text);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      transition: color .15s ease;
    }
    .news-item:hover .news-title { color: var(--primary); }
    .news-arrow {
      font-size: 1.6rem;
      color: var(--text-3);
      flex-shrink: 0;
      transition: all .15s ease;
    }
    .news-item:hover .news-arrow { color: var(--primary); transform: translateX(3px); }

    .empty { text-align: center; padding: 40px; color: var(--text-2); font-size: 1.4rem; }

    /* 页脚 */
    .footer {
      background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #1e3a5f 100%);
      padding: 0;
      position: relative;
      overflow: hidden;
    }
    .footer::before {
      content: '';
      position: absolute;
      bottom: -100px; left: -60px;
      width: 300px; height: 300px;
      background: radial-gradient(circle, rgba(124,58,237,0.15) 0%, transparent 70%);
      border-radius: 50%;
      pointer-events: none;
    }
    .footer-main {
      max-width: var(--max);
      margin: 0 auto;
      padding: 48px 24px 40px;
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 48px;
      position: relative;
      z-index: 1;
    }
    .footer-brand-col { max-width: 320px; }
    .footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
    .footer-logo-icon {
      width: 36px; height: 36px;
      background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
      border-radius: 8px;
      display: flex; align-items: center; justify-content: center;
      color: #fff; font-weight: 800; font-size: 16px;
    }
    .footer-logo-text { font-size: 17px; font-weight: 700; color: #fff; }
    .footer-logo-text span { color: #60a5fa; }
    .footer-desc { font-size: 13px; color: #64748b; line-height: 1.8; margin-bottom: 20px; }
    .footer-contact { display: flex; flex-direction: column; gap: 8px; }
    .footer-contact-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: #94a3b8;
    }
    .footer-contact-item svg { width: 14px; height: 14px; opacity: 0.7; flex-shrink: 0; }
    .footer-nav-cols { display: flex; gap: 48px; flex-wrap: wrap; }
    .footer-nav-col h4 { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 16px; letter-spacing: 1px; }
    .footer-nav-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
    .footer-nav-col ul li a { font-size: 13px; color: #64748b; transition: color .15s ease; }
    .footer-nav-col ul li a:hover { color: #60a5fa; }
    .footer-divider {
      height: 1px;
      background: rgba(255,255,255,0.06);
      max-width: var(--max);
      margin: 0 auto;
    }
    .footer-bottom {
      max-width: var(--max);
      margin: 0 auto;
      padding: 20px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      position: relative;
      z-index: 1;
    }
    .footer-copy { font-size: 12px; color: #475569; }
    .footer-copy a { color: #475569; }
    .footer-copy a:hover { color: #60a5fa; }
    .footer-icp { font-size: 12px; color: #475569; }
    .footer-back-top {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      color: #64748b;
      cursor: pointer;
      transition: color .15s ease;
    }
    .footer-back-top:hover { color: #60a5fa; }
    .footer-back-top svg { width: 14px; height: 14px; }

    /* 响应式 */
    @media (max-width: 900px) {
      .hero-inner { flex-direction: column; text-align: center; }
      .hero h1 { font-size: 3rem; }
      .hero-right { justify-content: center; }
      .quick-tags { justify-content: center; }
      .featured-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
      .navbar-inner { height: 56px; gap: 12px; padding: 0 16px; }
      .logo-text { display: none; }
      .search-wrap { max-width: none; }
      .search-box button span { display: none; }
      .top-actions { display: none; }
      .hero { padding: 50px 16px 60px; }
      .hero h1 { font-size: 2.4rem; }
      .hero-sub { font-size: 1.3rem; letter-spacing: 2px; }
      .hero-right { gap: 10px; }
      .stat-card { padding: 18px 20px; min-width: 100px; }
      .stat-num { font-size: 2.4rem; }
      .main { padding: 24px 12px 40px; }
      .card { padding: 22px 18px; border-radius: var(--r-md); }
      .featured-grid { grid-template-columns: 1fr; gap: 14px; }
      .featured-card { min-height: 120px; padding: 22px 20px; }
      .featured-name { font-size: 1.7rem; }
      .featured-rank { font-size: 3rem; }
      .kw-grid { grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); gap: 8px; }
      .kw-btn { padding: 10px 4px; font-size: 1.3rem; }
      .card-head h2 { font-size: 1.5rem; }
      .news-thumb { width: 52px; height: 52px; }
      .news-title { font-size: 1.35rem; }
      .news-tag { font-size: 1rem; padding: 2px 8px; }
      .footer-main { flex-direction: column; gap: 32px; padding: 36px 16px 28px; }
      .footer-brand-col { max-width: none; }
      .footer-nav-cols { gap: 28px; }
      .footer-bottom { flex-wrap: wrap; gap: 12px; padding: 16px; }
      .footer-icp { order: 3; width: 100%; text-align: center; }
    }