:root{--bg:#0b0d10;--bg-card:#14171c;--bg-card-hover:#181c22;--border:#23272f;--text:#e8eaed;--text-muted:#8a8f98;--text-dim:#5c6068;--accent:#00b277;--warn:#ff8a3d;--down:#ff5d5d;--tag-ai:#6c7cff;--tag-tech:#00b277;--tag-humanities:#c084fc;--tag-business:#ff8a3d;--radius:14px;--radius-sm:8px;font-feature-settings:"tnum" 1,"cv11" 1}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,PingFang SC,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.6}a{color:inherit;text-decoration:none}button{font:inherit}.page{max-width:980px;margin:0 auto;padding:32px 20px 80px}.hero{margin-bottom:28px}.hero h1{font-size:28px;font-weight:700;letter-spacing:-.5px;margin:0 0 6px}.hero .sub{color:var(--text-muted);font-size:14px}.hero .stamp{display:inline-flex;align-items:center;gap:8px;margin-top:12px;padding:6px 12px;background:var(--bg-card);border:1px solid var(--border);border-radius:999px;font-size:13px;color:var(--text-muted)}.hero .stamp .dot{width:6px;height:6px;background:var(--accent);border-radius:50%;box-shadow:0 0 6px var(--accent)}.tabs{display:flex;gap:6px;margin-bottom:18px;flex-wrap:wrap;border-bottom:1px solid var(--border);padding-bottom:0}.tab{padding:10px 14px;background:transparent;color:var(--text-muted);font-size:14px;font-weight:500;cursor:pointer;border:none;border-bottom:2px solid transparent;margin-bottom:-1px}.tab.active,.tab:hover{color:var(--text)}.tab.active{border-bottom-color:var(--accent)}.tab .count{margin-left:6px;font-size:12px;color:var(--text-dim);font-weight:400}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(420px,1fr));grid-gap:14px;gap:14px}@media (max-width:720px){.grid{grid-template-columns:1fr}.page{padding:20px 16px 60px}.hero h1{font-size:22px}}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;display:flex;flex-direction:column;gap:10px;transition:border-color .15s,background .15s}.card:hover{border-color:#2e333d;background:var(--bg-card-hover)}.card .row{display:flex;align-items:center;gap:10px}.card .tag{font-size:11px;font-weight:600;padding:3px 8px;border-radius:6px;letter-spacing:.3px;background:rgba(255,255,255,.06)}.tag-AI{color:var(--tag-ai);background:rgba(108,124,255,.12)}.tag-科技{color:var(--tag-tech);background:rgba(0,178,119,.12)}.tag-人文{color:var(--tag-humanities);background:rgba(192,132,252,.12)}.tag-商业{color:var(--tag-business);background:rgba(255,138,61,.12)}.card .title{font-size:16px;font-weight:600;line-height:1.45;color:var(--text)}.card .metrics{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px}.metric{display:inline-flex;align-items:baseline;gap:4px;color:var(--text-muted)}.metric .num{color:var(--text);font-weight:600;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.metric.up .num{color:var(--accent)}.metric.down .num{color:var(--down)}.card .interp{color:var(--text-muted);font-size:14px;line-height:1.55}.card .footer{display:flex;justify-content:space-between;align-items:center;margin-top:4px;font-size:12px;color:var(--text-dim)}.card .footer a{color:var(--accent)}.card .footer a:hover{text-decoration:underline}.empty{text-align:center;padding:80px 20px;color:var(--text-muted)}.empty h2{color:var(--text);font-weight:600;margin:0 0 8px}.history{margin-top:40px;padding-top:24px;border-top:1px solid var(--border)}.history h3{font-size:13px;font-weight:600;color:var(--text-muted);letter-spacing:.5px;text-transform:uppercase;margin:0 0 12px}.history ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px}.history li{font-size:13px;color:var(--text-muted);padding:6px 0;display:flex;justify-content:space-between}.history li .when{color:var(--text);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.footer-note{margin-top:60px;text-align:center;font-size:12px;color:var(--text-dim)}.footer-note a{color:var(--accent)}