:root {
    --bg: #ffffff;
    --bg-soft: #f5f6f8;
    --card: #ffffff;
    --border: #e4e7ec;
    --text: #111111;
    --muted: #6b7280;
    --accent: #e63946;
    --code-bg: #f8f9fa;
  }
  [data-theme="dark"] {
    --bg: #0d0d0f;
    --bg-soft: #151518;
    --card: #17171a;
    --border: #2a2a2f;
    --text: #f2f2f3;
    --muted: #9ca3af;
    --accent: #e63946;
    --code-bg: #1a1a1e;
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    transition: background .25s, color .25s;
  }
  .container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

  /* Nav */
  nav {
    position: sticky; top: 0; z-index: 50;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(8px);
  }
  .nav-inner {
    max-width: 1080px; margin: 0 auto; padding: 0 24px;
    height: 60px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  }
  .nav-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 17px; letter-spacing: .3px; text-decoration: none; color: var(--text); }
  .nav-brand img { height: 26px; width: auto; }
  .nav-links { display: flex; align-items: center; gap: 20px; }
  .nav-links a { color: var(--muted); text-decoration: none; font-size: .92rem; font-weight: 500; transition: color .15s; }
  .nav-links a:hover { color: var(--text); }
  .nav-links a.active { color: var(--text); font-weight: 700; }
  .nav-actions { display: flex; align-items: center; gap: 8px; }
  .icon-btn {
    width: 34px; height: 34px; border-radius: 8px;
    border: 1px solid var(--border); background: var(--bg);
    color: var(--text); cursor: pointer; font-size: 15px;
    display: flex; align-items: center; justify-content: center;
    transition: border-color .15s, background .15s;
  }
  .icon-btn:hover { border-color: var(--accent); }
  .lang-btn {
    height: 34px; padding: 0 12px; border-radius: 8px;
    border: 1px solid var(--border); background: var(--bg);
    color: var(--text); cursor: pointer; font-size: .82rem; font-weight: 600;
    transition: border-color .15s;
  }
  .lang-btn:hover { border-color: var(--accent); }

  /* Hero */
  header.hero {
    padding: 90px 0 64px;
    text-align: center;
    border-bottom: 1px solid var(--border);
  }
  .hero-headline {
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    font-weight: 900; letter-spacing: -1.5px;
    margin-bottom: 16px;
  }
  .hero-headline .red { color: var(--accent); }
  .unofficial-note {
    font-size: .84rem;
    color: var(--muted);
    margin: -8px 0 14px;
  }
  .hero-title {
    max-width: 380px; width: 80%;
    height: auto; display: block;
    margin: 26px auto 0;
    opacity: .85;
  }
  .hero .sub {
    font-size: 1.12rem; color: var(--muted);
    max-width: 640px; margin: 0 auto 36px;
  }
  .cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
  .btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 26px; border-radius: 8px;
    font-size: .95rem; font-weight: 600; text-decoration: none;
    transition: transform .15s, box-shadow .15s;
  }
  .btn-primary { background: var(--text); color: var(--bg); }
  .btn-primary:hover { transform: translateY(-2px); }
  .btn-ghost { border: 1.5px solid var(--text); color: var(--text); background: transparent; }
  .btn-ghost:hover { transform: translateY(-2px); }
  .btn-accent { background: var(--accent); color: #fff; }
  .btn-accent:hover { transform: translateY(-2px); }

  /* Stats */
  .stats {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px; margin: 44px 0 0;
  }
  .stat {
    background: var(--bg-soft); border: 1px solid var(--border);
    border-radius: 10px; padding: 18px 14px; text-align: center;
  }
  .stat b { display: block; font-size: 1.6rem; font-weight: 900; letter-spacing: -.5px; }
  .stat span { font-size: .8rem; color: var(--muted); }

  /* Sections */
  section { padding: 72px 0; border-bottom: 1px solid var(--border); }
  .sec-head { margin-bottom: 36px; }
  .sec-head h2 { font-size: 1.7rem; font-weight: 800; letter-spacing: -.5px; margin-bottom: 6px; }
  .sec-head p { color: var(--muted); max-width: 640px; }

  /* Plugin cards */
  .plugin-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
  .plugin-card {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 12px; padding: 22px;
    display: flex; flex-direction: column; gap: 10px;
    transition: border-color .2s, transform .2s;
  }
  .plugin-card:hover { border-color: var(--text); transform: translateY(-2px); }
  .plugin-card .top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
  .tag-discovered {
    background: rgba(230, 57, 70, .12); border-color: var(--accent); color: var(--accent);
    vertical-align: middle; margin-left: 4px;
  }
  .plugin-card h3 { font-size: 1.02rem; font-weight: 700; word-break: break-all; }
  .plugin-card .stars { font-size: .82rem; color: var(--muted); white-space: nowrap; font-weight: 600; }
  .plugin-card p { color: var(--muted); font-size: .9rem; flex: 1; }
  .plugin-card .link { font-size: .85rem; color: var(--text); font-weight: 600; text-decoration: none; border-bottom: 1px solid transparent; }
  .plugin-card .link:hover { border-color: var(--text); }

  /* Official / Updates */
  .official-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
  .of-card {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 12px; padding: 22px;
  }
  .of-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
  .of-card ul { list-style: none; }
  .of-card li { padding: 8px 0; border-bottom: 1px solid var(--border); font-size: .9rem; color: var(--muted); }
  .of-card li:last-child { border-bottom: none; }
  .of-card li a { color: var(--text); text-decoration: none; font-weight: 500; }
  .of-card li a:hover { color: var(--accent); }
  .tag {
    display: inline-block; font-size: .72rem; font-weight: 700;
    padding: 2px 8px; border-radius: 4px; background: var(--code-bg);
    border: 1px solid var(--border); margin-right: 6px;
  }

  /* Resources */
  .res-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
  .res-card {
    background: var(--bg-soft); border: 1px solid var(--border);
    border-radius: 12px; padding: 22px;
    text-decoration: none; color: var(--text);
    transition: border-color .2s, transform .2s;
  }
  .res-card:hover { border-color: var(--text); transform: translateY(-2px); }
  .res-card .num { font-size: 1.5rem; font-weight: 900; color: var(--accent); display: block; margin-bottom: 8px; }
  .res-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
  .res-card p { color: var(--muted); font-size: .86rem; }

  /* 精选插件：深度介绍卡 */
  .accent-link { color: var(--accent); text-decoration: none; font-weight: 600; }
  .feature-card {
    display: flex; gap: 22px; align-items: flex-start;
    background: var(--card); border: 1px solid var(--border);
    border-radius: 14px; padding: 18px; margin-bottom: 26px;
  }
  .feature-shot { flex: 0 0 55%; min-width: 0; }
  .feature-shot img {
    width: 100%; height: auto; display: block;
    border-radius: 10px; border: 1px solid var(--border);
    max-height: 520px; object-fit: contain; object-position: top;
    background: var(--bg-soft);
  }
  .feature-body { flex: 1; min-width: 0; }
  .feature-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
  .feature-head h3 { font-size: 1.08rem; font-weight: 800; }
  .feature-body > p { color: var(--muted); font-size: .9rem; margin-bottom: 8px; }
  .feature-label { font-size: .82rem; font-weight: 700; color: var(--text); margin-top: 6px; margin-bottom: 2px; }
  .feature-detail { font-size: .86rem; }
  .feature-links { margin-top: 10px; display: flex; gap: 14px; }
  .feature-links a { color: var(--accent); text-decoration: none; font-weight: 600; font-size: .88rem; }
  .feature-common-title { font-size: 1.15rem; font-weight: 800; margin: 34px 0 16px; }

  @media (max-width: 860px) {
    .feature-card { flex-direction: column; }
    .feature-shot { flex: none; width: 100%; }
  }

  /* 评论与反馈页 */
  .giscus-title { font-size: 1.15rem; font-weight: 800; margin-bottom: 16px; }
  /* 反馈悬浮按钮 + 弹窗（常驻可见，不被评论淹没） */
  .fb-fab {
    position: fixed; right: 22px; bottom: 22px; z-index: 90;
    display: flex; align-items: center; gap: 7px;
    padding: 12px 20px; border: none; border-radius: 999px;
    background: var(--accent); color: #fff;
    font-size: .92rem; font-weight: 700; font-family: inherit;
    cursor: pointer; box-shadow: 0 6px 18px rgba(230, 57, 70, .35);
    transition: transform .15s, box-shadow .15s;
  }
  .fb-fab:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(230, 57, 70, .45); }
  .fb-modal {
    position: fixed; inset: 0; z-index: 100;
    background: rgba(0, 0, 0, .55);
    display: none; align-items: center; justify-content: center;
  }
  .fb-modal.show { display: flex; }
  .fb-modal-box {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 14px; padding: 24px 28px;
    max-width: 480px; width: calc(100% - 40px);
  }
  .fb-modal-box h3 { font-size: 1.05rem; font-weight: 800; margin-bottom: 8px; }
  .fb-modal-box > p { color: var(--muted); font-size: .86rem; margin-bottom: 14px; }
  .fb-modal-box form { display: flex; flex-direction: column; gap: 10px; }
  .fb-modal-box input[type="text"],
  .fb-modal-box textarea {
    padding: 10px 13px; border: 1px solid var(--border); border-radius: 8px;
    background: var(--bg); color: var(--text); font-size: .93rem; font-family: inherit;
  }
  .fb-modal-box textarea { resize: vertical; }
  .fb-actions { display: flex; gap: 10px; justify-content: flex-end; }
  .fb-actions .btn { padding: 9px 20px; font-size: .88rem; }
  .fb-note { font-size: .76rem; color: var(--muted); text-align: right; }
  @media (max-width: 720px) {
    .fb-fab { right: 14px; bottom: 14px; padding: 10px 16px; font-size: .86rem; }
  }

  /* 外部链接确认弹窗 */
  .ext-modal {
    position: fixed; inset: 0; z-index: 100;
    background: rgba(0, 0, 0, .55);
    display: none; align-items: center; justify-content: center;
  }
  .ext-modal.show { display: flex; }
  .ext-modal-box {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 14px; padding: 24px 28px;
    max-width: 460px; width: calc(100% - 40px);
  }
  .ext-modal-box h3 { font-size: 1.05rem; font-weight: 800; margin-bottom: 10px; }
  .ext-desc { color: var(--muted); font-size: .9rem; margin-bottom: 4px; }
  .ext-desc b { color: var(--accent); }
  .ext-url { color: var(--muted); font-size: .78rem; word-break: break-all; margin-bottom: 18px; }
  .ext-actions { display: flex; gap: 10px; justify-content: flex-end; }
  .ext-actions .btn { padding: 9px 20px; font-size: .88rem; }

  /* Footer */
  footer { padding: 40px 0 48px; text-align: center; color: var(--muted); font-size: .88rem; }
  .footer-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 6px 12px; margin-bottom: 14px; }
  .footer-links a { color: var(--muted); text-decoration: none; font-size: .86rem; }
  .footer-links a:hover { color: var(--accent); }
  .fsep { opacity: .5; }
  footer a { color: var(--muted); text-decoration: none; }
  footer a:hover { color: var(--accent); }

  /* ===== 子页面 ===== */
  .page-head {
    padding: 56px 0 36px;
    border-bottom: 1px solid var(--border);
  }
  .page-head h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 900; letter-spacing: -.5px; margin-bottom: 10px; }
  .page-head h1 .red { color: var(--accent); }
  .page-head p { color: var(--muted); max-width: 680px; }
  .page-body { padding: 44px 0 64px; }
  .page-section { padding: 0 0 56px; border-bottom: none; }

  /* 首页快速入口 */
  .entry-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
  .entry-card {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 12px; padding: 22px;
    text-decoration: none; color: var(--text);
    display: flex; flex-direction: column; gap: 8px;
    transition: border-color .2s, transform .2s;
  }
  .entry-card:hover { border-color: var(--text); transform: translateY(-2px); }
  .entry-card .num { font-size: 1.4rem; font-weight: 900; color: var(--accent); }
  .entry-card h3 { font-size: 1rem; font-weight: 700; }
  .entry-card p { color: var(--muted); font-size: .86rem; flex: 1; }

  /* 工具条（搜索/筛选/排序） */
  .toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
  .toolbar input[type="search"],
  .toolbar select {
    padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px;
    background: var(--bg); color: var(--text); font-size: .95rem;
  }
  .toolbar input[type="search"] { flex: 1; min-width: 200px; }
  .toolbar .btn { padding: 10px 16px; font-size: .88rem; }

  @media (max-width: 720px) {
    .nav-links { display: none; }
    section { padding: 48px 0; }
    header.hero { padding: 64px 0 48px; }
    .page-head { padding: 40px 0 28px; }
  }