:root{--bg:#f7f5f1;--card:#fff;--ink:#22201c;--muted:#6c665c;--line:#e3ddd2;
--brand:#8a5a2b;--brand-soft:#f3e9dc;--ok:#1d6b45;--ok-soft:#e7f3ea;--warn:#9a4b12;--warn-soft:#fff0e2}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",system-ui,sans-serif;line-height:1.85}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1000px;margin:0 auto;padding:0 20px}
header.top{background:#3b2f22;color:#fff;padding:14px 0}
header.top .wrap{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.logo{font-weight:800;font-size:17px;letter-spacing:.5px}
header.top nav a{color:#e9dfd0;margin-right:16px;font-size:14px}
header.top nav a:hover{color:#fff}
main{padding:26px 0 10px}
h1{font-size:27px;margin:6px 0 14px;line-height:1.4}
h2{font-size:20px;margin:0 0 12px}h3{font-size:16px;margin:0 0 10px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px 22px;margin:0 0 18px;box-shadow:0 1px 3px rgba(60,45,25,.05)}
.muted{color:var(--muted);font-size:14px}
table{width:100%;border-collapse:collapse;font-size:14px;margin:12px 0}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}th{background:#f2ece2}
.banner{background:var(--warn-soft);border-left:4px solid var(--warn);padding:14px 18px;border-radius:8px;margin:0 0 20px;font-size:14px}
.banner b{color:var(--warn)}
.badge{display:inline-block;background:var(--brand-soft);color:var(--brand);border-radius:6px;padding:2px 9px;font-size:12px;margin-left:6px;white-space:nowrap}
td.st{width:112px;white-space:nowrap}
.badge.ok{background:var(--ok-soft);color:var(--ok)}
.badge.pending{background:#f0eee9;color:var(--muted)}
.toc{list-style:none;padding:0;margin:0}
.toc li{padding:5px 0;border-bottom:1px dashed var(--line);font-size:14px}
.toc li:last-child{border-bottom:0}
.book-text{font-size:16px;line-height:2.0;color:#1e1c19}
.book-text p{margin:0 0 14px;text-align:justify}
.book-text p.bt{text-indent:2em}
.placeholder{background:#faf8f4;border:1px dashed var(--line);border-radius:9px;padding:22px;text-align:center;color:var(--muted)}
.placeholder b{display:block;color:var(--ink);font-size:16px;margin-bottom:8px}
.chap-nav{display:flex;justify-content:space-between;gap:12px;margin-top:18px;flex-wrap:wrap}
.btn{display:inline-block;background:var(--brand);color:#fff;border-radius:9px;padding:9px 16px;font-weight:600}
.btn.ghost{background:#fff;color:var(--brand);border:1px solid var(--line)}
.btn:hover{text-decoration:none;opacity:.9}
footer{border-top:1px solid var(--line);background:#fff;color:var(--muted);font-size:13px;padding:22px 0;margin-top:36px}
code{background:#f1ece3;border-radius:5px;padding:1px 6px;font-size:13px}
@media(max-width:720px){table{font-size:13px}.wrap{padding:0 14px}}