/*
Design reminder: 瑞士国际主义信息图谱 + 实验室白盒美学。所有样式应强化纯白实验室、深灰信息层级、活力橙结论提示、数据矩阵与专业评测可信度；避免泛化居中、紫色渐变和无意义圆角。
*/
:root {
  --paper:#ffffff;
  --ink:#242424;
  --deep:#424242;
  --muted:#6f6f6f;
  --line:#e8e8e8;
  --soft:#f6f6f3;
  --orange:#ff5722;
  --orange-dark:#d84213;
  --orange-soft:#fff0eb;
  --green:#1f7a4d;
  --bad:#a33322;
  --shadow:0 18px 50px rgba(32,32,32,.08);
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: "Arial Narrow", "Roboto Condensed", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}
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strong{font-size:24px;line-height:1;color:var(--ink);font-weight:900}.gear-logo span{font-size:12px;color:var(--muted);letter-spacing:.22em;text-transform:uppercase}.gear-menu{display:flex;align-items:center;gap:4px;flex-wrap:wrap}.gear-menu a{padding:10px 13px;border:1px solid transparent;font-size:14px;color:#333;transition:.22s ease}.gear-menu a[aria-current="page"],.gear-menu a:hover{border-color:var(--line);background:var(--soft);color:var(--orange-dark)}.gear-mobile-toggle{display:none;border:1px solid var(--line);background:#fff;padding:9px 12px;color:var(--deep)}.gear-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fff,#fbfbf8)}.gear-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:52px 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var(--line)}.gear-section-head{display:grid;grid-template-columns:minmax(0,.72fr) minmax(260px,.28fr);gap:26px;align-items:end;margin-bottom:28px}.gear-section h2{font-size:clamp(30px,4vw,54px);letter-spacing:-.04em}.gear-section-head p{color:var(--muted);margin:0}.gear-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}.gear-card{background:#fff;border:1px solid var(--line);box-shadow:0 8px 28px rgba(0,0,0,.035);transition:.22s ease;position:relative;overflow:hidden}.gear-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#dedede}.gear-card::after{content:"";position:absolute;left:0;top:0;width:4px;height:0;background:var(--orange);transition:.22s ease}.gear-card:hover::after{height:100%}.gear-card.pad{padding:22px}.gear-card.media img{aspect-ratio:4/3;object-fit:cover;border-bottom:1px solid var(--line)}.gear-card h3{font-size:24px;letter-spacing:-.02em;margin-bottom:8px}.gear-card p{color:#555;margin:.4rem 0}.gear-card .gear-meta{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.gear-chip{display:inline-flex;align-items:center;border:1px solid var(--line);background:var(--soft);color:#3c3c3c;padding:4px 9px;font-size:12px;font-family:var(--mono)}.gear-chip.orange{background:var(--orange-soft);border-color:#ffd1c2;color:var(--orange-dark)}.gear-span-3{grid-column:span 3}.gear-span-4{grid-column:span 4}.gear-span-5{grid-column:span 5}.gear-span-6{grid-column:span 6}.gear-span-7{grid-column:span 7}.gear-span-8{grid-column:span 8}.gear-table-wrap{overflow:auto;border:1px solid var(--line);background:#fff}.gear-table{width:100%;border-collapse:collapse;min-width:720px}.gear-table th,.gear-table td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.gear-table 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em{font-style:normal;font-family:var(--mono);font-weight:900}.gear-note{border:1px solid #ffd6c7;background:var(--orange-soft);padding:18px 20px;color:#4b2b21}.gear-video{display:grid;grid-template-columns:minmax(0,.7fr) minmax(240px,.3fr);gap:18px;align-items:stretch}.gear-video video{width:100%;height:100%;min-height:300px;object-fit:cover;background:#111;border:1px solid var(--line)}.gear-video aside{border:1px solid var(--line);padding:22px;background:#fff}.gear-video aside p{color:#555}.gear-footer{background:#242424;color:#ededed;padding:42px 0 24px}.gear-footer-grid{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:24px}.gear-footer h2,.gear-footer h3{color:#fff}.gear-footer p,.gear-footer a,.gear-footer li{color:#c9c9c9}.gear-footer ul{list-style:none;margin:0;padding:0}.gear-footer-bottom{margin-top:28px;padding-top:18px;border-top:1px solid 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