:root{--bg:#f4f7fb;--panel:#fff;--text:#14211f;--muted:#60716d;--line:#d9e2df;--blue:#155eef;--soft:#eef6f5}
    *{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.62}.wrap{width:min(980px,calc(100% - 32px));margin:0 auto}.top{background:#fff;border-bottom:1px solid var(--line)}.bar{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;align-items:center;gap:12px}.brand img{width:44px;height:44px;border:0;border-radius:8px;background:transparent;object-fit:contain}.nav{display:flex;gap:10px;flex-wrap:wrap}.nav a{text-decoration:none;color:var(--text);font-weight:800;padding:9px 11px;border-radius:6px}.nav a:hover{background:#eef4f6}main{padding:34px 0 56px}.panel{background:#fff;border:1px solid var(--line);border-radius:8px;padding:24px;margin-bottom:14px;box-shadow:0 8px 24px rgba(25,45,55,.05)}h1,h2,p{margin:0}h1{font-size:32px;margin-bottom:18px}h2{font-size:20px;margin-bottom:10px}p,li{color:var(--muted)}ul{margin:10px 0 0;padding-left:22px}.meta{color:var(--muted);margin-bottom:16px}.tag{display:inline-flex;border:1px solid #c9dcda;background:var(--soft);color:#0b5f59;border-radius:999px;padding:4px 10px;font-size:13px;font-weight:800}@media(max-width:760px){.bar{align-items:flex-start;flex-direction:column;padding:14px 0}}