:root {
  --bg: #f3f5f9; --card: #ffffff; --text: #1f2430; --muted: #64748b;
  --line: #e6e9f0; --brand: #2563eb; --brand-dark: #1e40af;
  --radius: 12px; --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
       color: var(--text); background: var(--bg); line-height: 1.75; }
header.top { background: linear-gradient(120deg, var(--brand-dark), var(--brand));
             padding: 16px 24px; box-shadow: 0 1px 4px rgba(15, 23, 42, .25); }
header.top a { color: #fff; text-decoration: none; font-size: 19px; font-weight: 600; letter-spacing: .5px; }
main { max-width: 920px; margin: 28px auto 48px; padding: 0 16px; }
article, .card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
                 box-shadow: var(--shadow); padding: 28px 32px; }
h1 { font-size: 25px; margin: 4px 0 14px; letter-spacing: .3px; }
h2 { font-size: 20px; margin-top: 36px; padding-left: 12px; border-left: 4px solid var(--brand); line-height: 1.35; }
h3 { font-size: 17px; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
table { border-collapse: collapse; margin: 16px 0; border-radius: 10px; overflow: hidden;
        box-shadow: 0 0 0 1px var(--line); }
th { background: #f1f5f9; font-weight: 600; color: #334155; text-align: left; }
th, td { border: none; border-bottom: 1px solid var(--line); padding: 9px 18px; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:nth-child(even) { background: #f8fafc; }
tbody tr:hover { background: #eff6ff; }
blockquote { margin: 10px 0 18px; padding: 10px 16px; color: var(--muted); font-size: 14.5px;
             border-left: 3px solid #c7d2fe; background: #f8fafc; border-radius: 0 8px 8px 0; }
article > blockquote:first-of-type { background: #eef4ff; border-left-color: var(--brand);
             color: #3b4b6b; border-radius: 8px; padding: 12px 18px; font-size: 14px; }
article ul { padding-left: 22px; }
article li { margin-bottom: 14px; }
article li strong a { font-size: 16px; }
.status { border: 1px solid; border-radius: var(--radius); padding: 13px 18px; margin: 0 0 18px;
          font-size: 15px; box-shadow: var(--shadow); }
.status.ok   { background: #ecfdf3; border-color: #a6e9c1; color: #067647; }
.status.warn { background: #fffaeb; border-color: #fedf89; color: #b54708; }
.status.ok::before   { content: "✓ "; font-weight: 700; }
.status.warn::before { content: "⚠ "; font-weight: 700; }
p.dl { text-align: right; margin: 0 0 12px; font-size: 14px; }
ul.reports { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
ul.reports li { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
                box-shadow: var(--shadow); margin: 0; padding: 14px 20px;
                transition: transform .15s ease, box-shadow .15s ease; }
ul.reports li:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(16, 24, 40, .10); }
ul.reports .row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
ul.reports .row > a { font-size: 17px; font-weight: 600; text-decoration: none; }
ul.reports .meta { color: var(--muted); font-size: 13.5px; background: #f1f5f9;
                   border-radius: 999px; padding: 3px 12px; }
ul.reports .summary { margin: 8px 0 0; font-size: 14.5px; color: #414c5e; }
ul.reports .picks { margin: 6px 0 0; font-size: 13.5px; color: var(--muted); }
footer { text-align: center; color: var(--muted); font-size: 13px; padding: 28px 16px;
         border-top: 1px solid var(--line); }
@media (max-width: 640px) {
  article, .card { padding: 20px; }
  h1 { font-size: 21px; }
}