:root { color-scheme: light; --ink:#17202a; --muted:#667085; --line:#d9e2ec; --paper:#ffffff; --soft:#f5f7fa; --accent:#0f766e; --accent2:#b45309; }
* { box-sizing: border-box; }
body { margin: 0; font-family: "Microsoft YaHei", Arial, sans-serif; color: var(--ink); background: var(--paper); line-height: 1.65; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.hero { padding: 42px min(6vw, 72px) 34px; background: linear-gradient(135deg, #eef7f6, #fff7ed); border-bottom: 1px solid var(--line); }
.hero p { margin: 0 0 8px; color: var(--accent2); font-weight: 700; }
h1 { margin: 0 0 18px; font-size: clamp(30px, 5vw, 54px); line-height: 1.12; letter-spacing: 0; }
h2 { font-size: 22px; margin: 0 0 16px; }
nav { display: flex; gap: 10px; flex-wrap: wrap; }
nav a, .tag { border: 1px solid var(--line); background: #fff; padding: 7px 11px; border-radius: 6px; }
main { width: min(1120px, calc(100% - 32px)); margin: 28px auto 46px; }
.panel { background: var(--soft); border: 1px solid var(--line); border-radius: 8px; padding: 18px; margin-bottom: 26px; }
.tags { display: flex; gap: 8px; flex-wrap: wrap; }
.list { display: grid; gap: 14px; }
.item { border-bottom: 1px solid var(--line); padding: 0 0 14px; }
.item a { font-size: 18px; font-weight: 700; }
time { display: block; color: var(--muted); font-size: 13px; margin: 3px 0 5px; }
.item p { margin: 0; color: #344054; }
.subhead { padding: 28px min(6vw, 72px); border-bottom: 1px solid var(--line); background: #f8fafc; }
.subhead h1 { font-size: clamp(26px, 4vw, 42px); margin-top: 10px; }
.article { max-width: 820px; font-size: 18px; }
footer { border-top: 1px solid var(--line); color: var(--muted); padding: 20px min(6vw, 72px); }
.empty { color: var(--muted); }
@media (max-width: 640px) {
  main { width: calc(100% - 22px); }
  .hero, .subhead { padding-left: 18px; padding-right: 18px; }
  nav a, .tag { width: 100%; }
}