:root{--bg: #f5f6f1;--surface: #ffffff;--fg: #10201c;--muted: #52645e;--border: #dfe4dd;--accent: #1f8a5b;--accent-2: #167e8a;--amber: #b26a18;--radius: 10px;--radius-lg: 16px;--shadow: 0 1px 2px rgba(16,32,28,.04), 0 8px 24px rgba(16,32,28,.05);--font-body: ui-sans-serif, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;--font-mono: ui-monospace, "SF Mono", Menlo, monospace}[data-theme=dark]{--bg: #08120f;--surface: #0f1d1a;--fg: #e8efe9;--muted: #8a9d96;--border: #20322c}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font-body);font-size:15px;line-height:1.55;background-image:linear-gradient(rgba(16,32,28,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(16,32,28,.06) 1px,transparent 1px);background-size:36px 36px}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}h1,h2,h3{margin:0}img,svg{display:block;max-width:100%}.container{max-width:1180px;margin:0 auto;padding:0 24px}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:var(--radius);border:1px solid transparent;font-size:14px;font-weight:600;transition:all .15s;white-space:nowrap}.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-primary:hover{filter:brightness(.92)}.btn-secondary{background:var(--surface);color:var(--fg);border-color:var(--border)}.btn-secondary:hover{border-color:var(--fg)}.btn-ghost{background:transparent;color:var(--muted)}.btn-ghost:hover{color:var(--accent)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px}.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:999px;font-size:11px;font-weight:600}.badge-ph{background:#167e8a1f;color:var(--accent-2)}.badge-user{background:#1f8a5b1f;color:var(--accent)}.tag{display:inline-flex;padding:3px 9px;background:transparent;color:var(--muted);border:1px solid var(--border);border-radius:999px;font-size:12px}.input{border:1px solid var(--border);border-radius:var(--radius);padding:10px 13px;background:var(--surface);color:var(--fg);font:inherit;font-size:14px;width:100%}.input:focus{outline:3px solid rgba(31,138,91,.12);border-color:var(--accent)}.rule{border:0;border-top:1px solid var(--border);margin:24px 0}.eyebrow{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}.meta{font-family:var(--font-mono);font-size:13px;color:var(--muted)}.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums}.muted{color:var(--muted)}.center{text-align:center}.row{display:flex;align-items:center;gap:16px}.row-between{display:flex;align-items:center;justify-content:space-between;gap:16px}.wrap{flex-wrap:wrap}.stack{display:flex;flex-direction:column;gap:16px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}@media (max-width:920px){.grid-2,.grid-3{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}}@media (max-width:680px){.grid-4{grid-template-columns:1fr}}