/* ================= 设计令牌 ================= */
    :root {
      --primary: #1a365d;
      --primary-soft: #2c5282;
      --accent: #2563eb;
      --accent-hover: #1d4ed8;
      --accent-bg: #dbeafe;
      --warm: #b45309;
      --warm-bg: #fef3c7;

      --bg: #f6f8fb;
      --surface: #ffffff;
      --surface-alt: #f1f5f9;
      --text: #1e293b;
      --text-2: #475569;
      --text-muted: #94a3b8;
      --border: #e2e8f0;
      --border-strong: #cbd5e1;

      --shadow-sm: 0 1px 2px rgba(15,23,42,.06), 0 1px 3px rgba(15,23,42,.04);
      --shadow-md: 0 4px 14px rgba(15,23,42,.08);
      --shadow-lg: 0 12px 32px rgba(15,23,42,.12);

      --r: 14px;
      --r-sm: 9px;
      --r-full: 999px;
      --ease: cubic-bezier(.16,1,.3,1);
      --t: .28s var(--ease);
      --maxw: 920px;
      --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    }

    html[data-theme="dark"] {
      --primary: #93c5fd;
      --primary-soft: #60a5fa;
      --accent: #60a5fa;
      --accent-hover: #93c5fd;
      --accent-bg: rgba(96,165,250,.14);
      --warm: #fbbf24;
      --warm-bg: rgba(251,191,36,.14);

      --bg: #0b1120;
      --surface: #111827;
      --surface-alt: #1a2234;
      --text: #e2e8f0;
      --text-2: #b6c2d4;
      --text-muted: #7c8ba1;
      --border: #24314a;
      --border-strong: #33425e;

      --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
      --shadow-md: 0 4px 14px rgba(0,0,0,.45);
      --shadow-lg: 0 12px 32px rgba(0,0,0,.55);
    }

    /* ================= 基础重置 ================= */
    *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
    html {
      scroll-behavior: smooth;
      scroll-padding-top: 70px;
      -webkit-text-size-adjust: 100%;
      text-size-adjust: 100%;
    }
    body {
      font-family: var(--font);
      background: var(--bg);
      color: var(--text);
      line-height: 1.75;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      overflow-x: hidden;
      transition: background-color var(--t), color var(--t);
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--accent); text-decoration: none; transition: color var(--t); }
    a:hover { color: var(--accent-hover); }
    a:focus-visible, button:focus-visible, summary:focus-visible {
      outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px;
    }
    ul, ol { padding-left: 1.2em; }
    strong { font-weight: 650; color: var(--text); }
    ::selection { background: var(--accent-bg); color: var(--primary); }

    /* ================= 无障碍：跳转链接 ================= */
    .skip-link {
      position: absolute; left: 16px; top: -120px; z-index: 2000;
      background: var(--primary); color: #fff; padding: 10px 18px;
      border-radius: var(--r-sm); font-size: 14px; font-weight: 600;
      transition: top .25s var(--ease);
    }
    .skip-link:focus { top: 12px; color: #fff; }

    /* ================= 顶部导航 ================= */
    .topbar {
      position: sticky; top: 0; z-index: 500;
      background: color-mix(in srgb, var(--surface) 88%, transparent);
      backdrop-filter: saturate(180%) blur(14px);
      -webkit-backdrop-filter: saturate(180%) blur(14px);
      border-bottom: 1px solid var(--border);
    }
    @supports not (backdrop-filter: blur(1px)) { .topbar { background: var(--surface); } }
    .topbar-inner {
      max-width: var(--maxw); margin: 0 auto; height: 58px;
      padding: 0 20px; display: flex; align-items: center; gap: 12px;
    }
    .brand {
      font-weight: 750; font-size: 16px; color: var(--primary);
      white-space: nowrap; letter-spacing: -.01em;
    }
    .brand small { display: block; font-size: 11px; font-weight: 500; color: var(--text-muted); letter-spacing: 0; }
    .navlinks {
      display: flex; gap: 2px; margin-left: auto;
      overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none;
      -webkit-overflow-scrolling: touch;
    }
    .navlinks::-webkit-scrollbar { display: none; }
    .navlinks a {
      padding: 7px 12px; font-size: 13.5px; font-weight: 550;
      color: var(--text-2); border-radius: var(--r-sm);
      white-space: nowrap; transition: all var(--t);
    }
    .navlinks a:hover, .navlinks a.active { color: var(--accent); background: var(--accent-bg); }
    .theme-btn {
      flex-shrink: 0; width: 36px; height: 36px; display: grid; place-items: center;
      background: var(--surface-alt); border: 1px solid var(--border);
      border-radius: var(--r-sm); cursor: pointer; font-size: 16px;
      color: var(--text-2); transition: all var(--t);
    }
    .theme-btn:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }

    /* ================= 布局容器 ================= */
    .wrap { max-width: var(--maxw); margin: 0 auto; padding: 28px 20px 56px; }

    /* ================= Hero ================= */
    .hero {
      position: relative; overflow: hidden;
      background: linear-gradient(135deg, #1a365d 0%, #2c5282 55%, #2563eb 100%);
      color: #fff; border-radius: var(--r);
      padding: 44px 28px 38px; text-align: center;
      box-shadow: var(--shadow-lg);
    }
    .hero::after {
      content: ""; position: absolute; inset: 0; pointer-events: none;
      background-image: radial-gradient(circle at 18% 22%, rgba(255,255,255,.14) 0, transparent 42%),
                        radial-gradient(circle at 84% 78%, rgba(255,255,255,.10) 0, transparent 40%);
    }
    .hero > * { position: relative; z-index: 1; }
    .avatar {
      width: 92px; height: 92px; margin: 0 auto 16px;
      border-radius: 50%; display: grid; place-items: center;
      font-size: 38px; font-weight: 700;
      background: rgba(255,255,255,.16);
      border: 3px solid rgba(255,255,255,.32);
      backdrop-filter: blur(6px);
    }
    .hero h1 {
      font-size: clamp(28px, 6.2vw, 40px); font-weight: 800;
      letter-spacing: -.025em; line-height: 1.2; margin-bottom: 10px;
    }
    .hero .role {
      font-size: clamp(13.5px, 3.2vw, 17px); opacity: .93;
      line-height: 1.6; margin-bottom: 16px; font-weight: 500;
    }
    .hero-meta { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
    .chip {
      display: inline-flex; align-items: center; gap: 5px;
      padding: 5px 14px; font-size: 13px; font-weight: 550;
      background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.22);
      border-radius: var(--r-full); backdrop-filter: blur(4px);
    }
    .hero-cta { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 7px;
      padding: 11px 24px; border-radius: var(--r-full);
      font-size: 14.5px; font-weight: 650; border: none; cursor: pointer;
      transition: transform var(--t), box-shadow var(--t), background var(--t);
      min-height: 44px; /* 移动端触控目标 */
    }
    .btn-light { background: #fff; color: #1a365d; }
    .btn-light:hover { color: #1a365d; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.24); }
    .btn-ghost { background: rgba(255,255,255,.10); color: #fff; border: 1.5px solid rgba(255,255,255,.4); }
    .btn-ghost:hover { color: #fff; background: rgba(255,255,255,.2); transform: translateY(-2px); }

    /* ================= 数据指标条 ================= */
    .stats {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px;
      margin-top: -22px; position: relative; z-index: 2;
      padding: 0 8px;
    }
    .stat {
      background: var(--surface); border: 1px solid var(--border);
      border-radius: var(--r-sm); padding: 14px 8px; text-align: center;
      box-shadow: var(--shadow-md);
    }
    .stat b { display: block; font-size: clamp(18px, 4.5vw, 24px); font-weight: 800; color: var(--accent); line-height: 1.2; }
    .stat span { display: block; font-size: 11.5px; color: var(--text-muted); margin-top: 3px; line-height: 1.4; }

    /* ================= 区块 ================= */
    .section { margin-top: 42px; }
    .sec-head { display: flex; align-items: center; gap: 11px; margin-bottom: 18px; }
    .sec-ico {
      flex-shrink: 0; width: 38px; height: 38px; display: grid; place-items: center;
      background: var(--accent-bg); color: var(--accent);
      border-radius: var(--r-sm); font-size: 18px;
    }
    .sec-head h2 {
      font-size: clamp(19px, 3.6vw, 23px); font-weight: 750;
      color: var(--primary); letter-spacing: -.015em; line-height: 1.3;
    }
    .sec-note { margin-left: auto; font-size: 12.5px; color: var(--text-muted); white-space: nowrap; }

    /* ================= 时间线 ================= */
    .timeline { position: relative; padding-left: 26px; }
    .timeline::before {
      content: ""; position: absolute; left: 9px; top: 8px; bottom: 8px; width: 2px;
      background: linear-gradient(180deg, var(--accent) 0%, var(--border) 100%);
      border-radius: 2px;
    }
    .tl-item {
      position: relative; margin-bottom: 16px; padding: 17px 20px;
      background: var(--surface); border: 1px solid var(--border);
      border-radius: var(--r); box-shadow: var(--shadow-sm);
      transition: transform var(--t), box-shadow var(--t), border-color var(--t);
    }
    .tl-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--border-strong); }
    .tl-item::before {
      content: ""; position: absolute; left: -22px; top: 24px;
      width: 11px; height: 11px; border-radius: 50%;
      background: var(--accent); border: 2.5px solid var(--surface);
      box-shadow: 0 0 0 3px var(--accent-bg);
    }
    .tl-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; }
    .tl-title { font-size: 16px; font-weight: 700; color: var(--primary); line-height: 1.45; }
    .tl-sub { font-size: 13.5px; color: var(--text-2); margin-top: 2px; font-weight: 550; }
    .tl-date {
      flex-shrink: 0; padding: 3px 11px; font-size: 12px; font-weight: 650;
      background: var(--accent-bg); color: var(--accent);
      border-radius: var(--r-full); white-space: nowrap; font-variant-numeric: tabular-nums;
    }
    .tl-body {
      margin-top: 10px; padding-left: 13px;
      border-left: 3px solid var(--border);
      font-size: 14.5px; color: var(--text-2); line-height: 1.8;
    }
    .tl-body p + p { margin-top: 5px; }
    .tl-link { font-size: 13px; word-break: break-all; }
    .tl-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
    .tl-tags i {
      font-style: normal; font-size: 11.5px; padding: 2.5px 9px;
      background: var(--surface-alt); color: var(--text-muted);
      border: 1px solid var(--border); border-radius: var(--r-full);
    }

    /* ================= 关于我卡片 ================= */
    .about {
      position: relative; overflow: hidden;
      background: var(--surface); border: 1px solid var(--border);
      border-left: 4px solid var(--accent);
      border-radius: var(--r); padding: 22px 26px;
      font-size: 15px; line-height: 1.9; color: var(--text-2);
      box-shadow: var(--shadow-sm);
    }
    .about p + p { margin-top: 12px; }
    .geo-line {
      display: inline-flex; align-items: center; gap: 6px; margin-top: 14px;
      padding: 7px 14px; background: var(--warm-bg); color: var(--warm);
      border-radius: var(--r-sm); font-size: 13.5px; font-weight: 600;
    }

    /* ================= 技能分组 ================= */
    .skill-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; }
    .skill-card {
      background: var(--surface); border: 1px solid var(--border);
      border-radius: var(--r); padding: 16px 18px; box-shadow: var(--shadow-sm);
      transition: border-color var(--t), box-shadow var(--t);
    }
    .skill-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); }
    .skill-card h3 {
      font-size: 13.5px; font-weight: 700; color: var(--text-muted);
      text-transform: uppercase; letter-spacing: .06em; margin-bottom: 11px;
    }
    .tags { display: flex; flex-wrap: wrap; gap: 7px; }
    .tag {
      padding: 5.5px 13px; font-size: 13px; font-weight: 550;
      background: var(--surface-alt); color: var(--text-2);
      border: 1px solid var(--border); border-radius: var(--r-full);
      transition: all var(--t);
    }
    .tag:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-bg); transform: translateY(-1px); }

    /* ================= 证书（可点击展开，移动端友好） ================= */
    .cert-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 12px; }
    .cert {
      background: var(--surface); border: 1px solid var(--border);
      border-radius: var(--r); overflow: hidden;
      box-shadow: var(--shadow-sm); transition: all var(--t);
    }
    .cert:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); }
    .cert[open] { border-color: var(--accent); }
    .cert summary {
      display: flex; align-items: center; gap: 11px;
      padding: 15px 17px; cursor: pointer; list-style: none;
      user-select: none; min-height: 56px;
    }
    .cert summary::-webkit-details-marker { display: none; }
    .cert-ico {
      flex-shrink: 0; width: 36px; height: 36px; display: grid; place-items: center;
      background: var(--warm-bg); color: var(--warm);
      border-radius: var(--r-sm); font-size: 17px;
    }
    .cert-name { font-size: 14.5px; font-weight: 650; color: var(--primary); line-height: 1.4; }
    .cert-org { font-size: 11.5px; color: var(--text-muted); }
    .cert-arrow { margin-left: auto; font-size: 12px; color: var(--text-muted); transition: transform var(--t); }
    .cert[open] .cert-arrow { transform: rotate(180deg); }
    .cert-body { padding: 0 13px 13px; }
    .cert-body img { border-radius: var(--r-sm); border: 1px solid var(--border); }
    .cert[open] .cert-body { animation: slideDown .3s var(--ease); }

    /* ================= 通用列表 ================= */
    .plain { list-style: none; padding: 0; display: grid; gap: 9px; }
    .plain li {
      display: flex; align-items: center; gap: 10px;
      padding: 12px 17px; background: var(--surface);
      border: 1px solid var(--border); border-radius: var(--r-sm);
      font-size: 14.5px; color: var(--text-2);
    }
    .plain li::before { content: "🏆"; flex-shrink: 0; font-size: 16px; }

    /* ================= 联系 CTA ================= */
    .contact-box {
      background: linear-gradient(135deg, #1a365d 0%, #2c5282 100%);
      color: #fff; border-radius: var(--r); padding: 38px 26px;
      text-align: center; box-shadow: var(--shadow-lg);
    }
    .contact-box h2 { font-size: clamp(20px, 4.4vw, 26px); font-weight: 750; margin-bottom: 10px; color: #fff; }
    .contact-box p { font-size: 14.5px; opacity: .9; margin-bottom: 22px; line-height: 1.7; }

    /* ================= 页脚 ================= */
    footer {
      margin-top: 44px; padding: 26px 20px 8px;
      border-top: 1px solid var(--border);
      text-align: center; font-size: 13px; color: var(--text-muted); line-height: 1.9;
    }
    footer a { color: var(--text-2); }
    footer a:hover { color: var(--accent); }
    .foot-links { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; margin-bottom: 8px; }

    /* ================= 回到顶部 ================= */
    .totop {
      position: fixed; right: 18px; bottom: 22px; z-index: 400;
      width: 44px; height: 44px; display: grid; place-items: center;
      background: var(--primary); color: var(--surface);
      border: none; border-radius: 50%; font-size: 17px; cursor: pointer;
      box-shadow: var(--shadow-lg);
      opacity: 0; visibility: hidden; transform: translateY(12px);
      transition: all .3s var(--ease);
    }
    html[data-theme="dark"] .totop { background: var(--accent); color: #0b1120; }
    .totop.on { opacity: 1; visibility: visible; transform: translateY(0); }
    .totop:hover { background: var(--accent); transform: translateY(-3px); }

    /* ================= 动效 ================= */
    @keyframes slideDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
    .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
    .reveal.on { opacity: 1; transform: none; }

    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
      html { scroll-behavior: auto; }
      .reveal { opacity: 1 !important; transform: none !important; }
    }

    /* ================= 响应式：平板 ≤820px ================= */
    @media (max-width: 820px) {
      .wrap { padding: 22px 16px 48px; }
      .topbar-inner { height: 54px; padding: 0 14px; gap: 8px; }
      .brand { font-size: 15px; }
      .brand small { display: none; }
      .navlinks a { padding: 6px 10px; font-size: 12.5px; }
      .hero { padding: 36px 20px 32px; }
      .stats { grid-template-columns: repeat(4, 1fr); gap: 7px; padding: 0 4px; }
      .stat { padding: 12px 5px; }
      .timeline { padding-left: 22px; }
      .tl-item { padding: 15px 16px; }
      .about { padding: 18px 20px; }
    }

    /* ================= 响应式：手机 ≤560px ================= */
    @media (max-width: 560px) {
      body { font-size: 15px; line-height: 1.72; }
      .wrap { padding: 18px 13px 40px; }
      .topbar-inner { height: 52px; padding: 0 12px; }
      .navlinks { gap: 0; }
      .navlinks a { padding: 6px 9px; font-size: 12px; }
      .theme-btn { width: 34px; height: 34px; font-size: 15px; }

      .hero { padding: 30px 16px 26px; border-radius: var(--r-sm); }
      .avatar { width: 74px; height: 74px; font-size: 30px; margin-bottom: 13px; }
      .hero .role { margin-bottom: 13px; }
      .chip { padding: 4px 11px; font-size: 12px; }
      .hero-cta { gap: 8px; }
      .btn { padding: 11px 20px; font-size: 14px; flex: 1 1 auto; min-width: 140px; }

      .stats { grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: -18px; }

      .section { margin-top: 34px; }
      .sec-head { gap: 9px; margin-bottom: 15px; }
      .sec-ico { width: 33px; height: 33px; font-size: 16px; }
      .sec-note { display: none; }

      .timeline { padding-left: 19px; }
      .timeline::before { left: 7px; }
      .tl-item { padding: 14px 15px; margin-bottom: 13px; border-radius: var(--r-sm); }
      .tl-item::before { left: -18px; top: 21px; width: 9px; height: 9px; }
      .tl-head { flex-direction: column; gap: 6px; }
      .tl-title { font-size: 15px; }
      .tl-date { align-self: flex-start; order: -1; }
      .tl-body { font-size: 14px; padding-left: 11px; }

      .about { padding: 17px 16px; font-size: 14.5px; line-height: 1.85; border-radius: var(--r-sm); }
      .skill-grid, .cert-grid { grid-template-columns: 1fr; gap: 11px; }
      .skill-card { padding: 14px 15px; }
      .tag { padding: 5px 11px; font-size: 12.5px; }
      .contact-box { padding: 30px 17px; border-radius: var(--r-sm); }
      .totop { right: 13px; bottom: 16px; width: 40px; height: 40px; font-size: 15px; }
      .hide-sm { display: none; }
    }

    /* ================= 响应式：小屏手机 ≤360px ================= */
    @media (max-width: 360px) {
      .wrap { padding: 15px 10px 34px; }
      .hero h1 { font-size: 25px; }
      .avatar { width: 66px; height: 66px; font-size: 27px; }
      .btn { min-width: 100%; }
      .stats { grid-template-columns: repeat(2, 1fr); }
      .tl-item { padding: 13px 13px; }
    }

    /* ================= 打印样式（A4 简历导出） ================= */
    @media print {
      :root { --surface:#fff; --bg:#fff; --text:#000; --text-2:#222; --border:#bbb; --primary:#000; --accent:#333; --accent-bg:#eee; }
      body { background: #fff !important; color: #000 !important; font-size: 10.5pt; line-height: 1.55; }
      .topbar, .skip-link, .totop, .theme-btn, .contact-box, .hero-cta, .sec-note { display: none !important; }
      .wrap { max-width: 100%; padding: 0; }
      .hero {
        background: none !important; color: #000 !important;
        border: none; border-bottom: 2.5pt solid #000; border-radius: 0;
        padding: 0 0 10pt; box-shadow: none; text-align: left;
      }
      .hero::after { display: none; }
      .avatar { display: none; }
      .hero h1 { font-size: 22pt; }
      .hero .role { opacity: 1; }
      .hero-meta { justify-content: flex-start; }
      .chip { background: none; border: .5pt solid #666; color: #000; }
      .stats { display: none; }
      .section { margin-top: 14pt; page-break-inside: avoid; }
      .tl-item, .skill-card, .cert, .about, .plain li {
        box-shadow: none !important; break-inside: avoid; page-break-inside: avoid;
        border: .5pt solid #ccc !important;
      }
      .tl-item:hover { transform: none; }
      .tl-item::before { background: #000; box-shadow: none; }
      .cert-body { display: block !important; }   /* 打印时证书图片全部展开 */
      .cert-arrow { display: none; }
      .reveal { opacity: 1 !important; transform: none !important; }
      a { color: #000 !important; text-decoration: underline; }
      a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 8pt; color: #555; }
      footer { border-top: 1pt solid #000; }
    }
  
/* ================= 多页面扩展（2026-08-23 拆分重构） ================= */
/* 页面头部 */
.page-hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #1a365d 0%, #2c5282 60%, #2563eb 100%);
  color: #fff; border-radius: var(--r);
  padding: 34px 28px 30px; box-shadow: var(--shadow-lg);
}
.page-hero h1 { font-size: clamp(24px, 5vw, 32px); font-weight: 800; letter-spacing: -.02em; line-height: 1.25; margin-bottom: 8px; }
.page-hero p { font-size: 14.5px; opacity: .92; line-height: 1.7; max-width: 720px; }
.page-hero .crumb { margin-top: 12px; font-size: 12.5px; opacity: .85; }
.page-hero .crumb a { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.page-hero .crumb a:hover { opacity: .8; }

/* 面包屑（页内） */
.crumbs { display: flex; flex-wrap: wrap; gap: 6px; font-size: 12.5px; color: var(--text-muted); margin: 14px 0 2px; }
.crumbs a { color: var(--text-2); }
.crumbs a:hover { color: var(--accent); }
.crumbs .sep { opacity: .6; }

/* 首页子页入口卡片 */
.entry-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 14px; }
.entry-card {
  display: block; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); padding: 20px 22px; box-shadow: var(--shadow-sm);
  transition: all var(--t); color: var(--text);
}
.entry-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--accent); color: var(--text); }
.entry-card .ec-ico { font-size: 24px; margin-bottom: 10px; display: block; }
.entry-card h3 { font-size: 16px; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.entry-card p { font-size: 13.5px; color: var(--text-2); line-height: 1.7; margin-bottom: 10px; }
.entry-card .ec-more { font-size: 13px; font-weight: 650; color: var(--accent); }
.entry-card:hover .ec-more { text-decoration: underline; }

/* 内容页卡片容器 */
.content-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); padding: 24px 26px; box-shadow: var(--shadow-sm);
}
.content-card h2 { font-size: clamp(18px, 3.4vw, 22px); font-weight: 750; color: var(--primary); margin: 26px 0 12px; letter-spacing: -.01em; }
.content-card h2:first-child { margin-top: 0; }
.content-card h3 { font-size: 15.5px; font-weight: 700; color: var(--text); margin: 18px 0 8px; }
.content-card p { font-size: 14.5px; color: var(--text-2); line-height: 1.85; margin-bottom: 10px; }
.content-card ul, .content-card ol { margin-bottom: 12px; }
.content-card li { font-size: 14.5px; color: var(--text-2); line-height: 1.8; margin-bottom: 4px; }
.content-card li strong { color: var(--text); }

/* FAQ 折叠 */
.faq-item { border: 1px solid var(--border); border-radius: var(--r-sm); margin-bottom: 10px; background: var(--surface); overflow: hidden; }
.faq-item summary { display: flex; align-items: center; gap: 10px; padding: 14px 17px; cursor: pointer; list-style: none; font-size: 14.5px; font-weight: 650; color: var(--primary); min-height: 52px; user-select: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before { content: "Q"; flex-shrink: 0; width: 26px; height: 26px; display: grid; place-items: center; background: var(--accent-bg); color: var(--accent); border-radius: var(--r-sm); font-size: 13px; font-weight: 800; }
.faq-item[open] summary::after { content: "▲"; margin-left: auto; font-size: 10px; color: var(--text-muted); }
.faq-item:not([open]) summary::after { content: "▼"; margin-left: auto; font-size: 10px; color: var(--text-muted); }
.faq-item .faq-a { padding: 2px 17px 14px 53px; font-size: 14px; color: var(--text-2); line-height: 1.8; }

/* 全站链接（页脚/站内地图） */
.sitemap-links { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.sitemap-links a { display: block; padding: 10px 14px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-sm); font-size: 13.5px; color: var(--text-2); transition: all var(--t); }
.sitemap-links a:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-bg); transform: translateY(-1px); }

/* 表格（技能明细等） */
.data-table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 13.5px; }
.data-table th, .data-table td { border: 1px solid var(--border); padding: 10px 12px; text-align: left; line-height: 1.7; vertical-align: top; }
.data-table th { background: var(--surface-alt); font-weight: 650; color: var(--primary); white-space: nowrap; }
.data-table td { color: var(--text-2); }
.data-table tr:hover td { background: var(--surface-alt); }

/* 页脚增强 */
footer .foot-links a { padding: 4px 8px; }