:root{--paper:#faf7f0;--card:#fffdf8;--ink:#2b2622;--muted:#7a6f63;--line:#e7dfd1;--accent:#b8432f;
--amber:#f7e6b8;--amber-ink:#5c4210;--chip:#c98a12;--mark:#fbe7a6;--th:#f3ede1}
@media (prefers-color-scheme:dark){:root{--paper:#1d1a17;--card:#24201c;--ink:#ece5d8;--muted:#a3988a;--line:#3a342d;
--accent:#e58a72;--amber:#4a3a17;--amber-ink:#f6deA0;--chip:#d9a23a;--mark:#5a4618;--th:#2c2722}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.75 -apple-system,"PingFang SC","Hiragino Sans GB","Noto Sans CJK SC","Microsoft YaHei","Segoe UI",sans-serif}
a{color:var(--accent);text-decoration:none;border-bottom:1px solid transparent}a:hover{border-bottom-color:currentColor}
.wrap{max-width:1080px;margin:0 auto;padding:32px 16px 64px;display:grid;grid-template-columns:220px minmax(0,1fr);gap:40px}
main{min-width:0}
.wrap.single{grid-template-columns:1fr;max-width:820px}
header.page{grid-column:1/-1}
.crumb{font-size:14px;color:var(--muted);margin-bottom:8px}
h1{font-size:30px;line-height:1.3;margin:0 0 12px;letter-spacing:.02em}
.intro{color:var(--muted);margin:0 0 4px;max-width:46em}
nav.toc{position:sticky;top:24px;align-self:start;font-size:14px;line-height:1.5}
nav.toc ol{list-style:none;margin:0;padding:0}
nav.toc li{margin:0 0 8px}
nav.toc a{color:var(--ink)}nav.toc a:hover{color:var(--accent)}
nav.toc .n{display:inline-block;min-width:1.6em;color:var(--muted);font-variant-numeric:tabular-nums}
section{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 24px;margin:0 0 20px}
h2{font-size:21px;line-height:1.4;margin:0 0 14px;display:flex;gap:10px;align-items:baseline}
h2 .num{flex:none;display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--ink);color:var(--card);font-size:14px;font-weight:600;transform:translateY(-2px)}
h3{font-size:17px;margin:22px 0 10px;padding-left:10px;border-left:3px solid var(--chip)}
p{margin:0 0 12px}
strong{color:var(--accent);font-weight:600}
mark{background:var(--mark);color:inherit;font-weight:600;padding:0 2px;border-radius:3px}
.labels{margin:0 0 14px}
.row{display:grid;grid-template-columns:3.2em 1fr;gap:10px;padding:5px 0}
.row .lab{font-size:13px;color:var(--muted);padding-top:3px;white-space:nowrap}
.row.conclusion{background:var(--amber);color:var(--amber-ink);border-radius:8px;padding:9px 12px;margin:0 0 6px;font-weight:600}
.row.conclusion .lab{color:var(--card);background:var(--chip);border-radius:5px;padding:1px 6px;align-self:start;text-align:center;font-weight:600}
.row.conclusion strong{color:inherit}
.row.conclusion mark{background:transparent;padding:0}
.table{overflow-x:auto;margin:6px 0 16px;border:1px solid var(--line);border-radius:10px}
table{border-collapse:collapse;width:100%;font-size:14.5px;line-height:1.55}
th,td{text-align:left;vertical-align:top;padding:8px 12px;border-bottom:1px solid var(--line)}
th{background:var(--th);font-weight:600}
tr:last-child td{border-bottom:0}
blockquote{margin:0 0 12px;padding:6px 14px;border-left:3px solid var(--line);color:var(--muted)}
ul,ol{margin:0 0 12px;padding-left:1.4em}
code{font-family:ui-monospace,Menlo,monospace;font-size:.92em}
footer{grid-column:1/-1;color:var(--muted);font-size:13px;margin-top:8px}
.cards{display:grid;gap:16px}
.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 22px;color:var(--ink)}
.card:hover{border-color:var(--chip)}
.card h2{margin:0 0 6px}
.card p{color:var(--muted);margin:0 0 10px}
.card .secs{font-size:14px;color:var(--muted)}
.print{float:right;font-size:14px;color:var(--muted);background:none;border:1px solid var(--line);border-radius:8px;padding:4px 10px;cursor:pointer;font-family:inherit}
@media (max-width:760px){.wrap{grid-template-columns:minmax(0,1fr);gap:16px;padding-top:20px}
nav.toc{position:static;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
nav.toc ol{columns:2;column-gap:16px}nav.toc li{break-inside:avoid}
section{padding:18px 16px}h1{font-size:25px}.print{display:none}}
@media print{@page{size:A4;margin:16mm 14mm}
:root{--paper:#fff;--card:#fff;--ink:#111;--muted:#555;--line:#ccc;--amber:#f7e6b8;--amber-ink:#3d2c08;--th:#f2f2f2}
body{font-size:11pt;line-height:1.6;background:#fff}
.wrap{display:block;max-width:none;padding:0}
nav.toc,.print,.crumb{display:none}
section{border:0;border-radius:0;padding:0;margin:0 0 14pt}
h2{break-after:avoid}h3{break-after:avoid}
.labels,.row,tr{break-inside:avoid}
.table{overflow:visible;border-color:#bbb}
*{-webkit-print-color-adjust:exact;print-color-adjust:exact}
a{color:inherit}}