:root{color-scheme:light;--ink:#191919;--muted:#666;--line:#d9d9d9;--paper:#fff;--wash:#f5f5f5}
*{box-sizing:border-box}
html{font-size:16px;scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.85;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:underline;text-underline-offset:.18em}
.site-header{position:sticky;top:0;z-index:5;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.site-header__inner{max-width:960px;margin:0 auto;min-height:58px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{font-weight:700;text-decoration:none;white-space:nowrap}
.nav{display:flex;gap:20px;font-size:.925rem;color:#404040}
.nav a{text-decoration:none}.nav a[aria-current="page"]{font-weight:700;border-bottom:2px solid var(--ink)}
.document{max-width:900px;margin:0 auto;padding:56px 36px 88px}
.document h1{margin:0;text-align:center;font-size:2rem;line-height:1.35;letter-spacing:.02em}
.subtitle{text-align:center;color:var(--muted);margin:.45rem 0 0}
.document h2{font-size:1.45rem;line-height:1.5;margin:2.7rem 0 1rem;padding-top:.15rem;border-top:1px solid var(--line)}
.document h3{font-size:1.18rem;line-height:1.55;margin:2rem 0 .8rem}
.document h4{font-size:1.05rem;line-height:1.6;margin:1.5rem 0 .55rem}
.document p{margin:.72rem 0;text-align:justify;word-break:break-word}
.document p.center{text-align:center}.document p.meta{font-size:.93rem;font-weight:600;text-align:center;color:#333;margin-top:1rem}
.document ul{padding-left:1.45rem;margin:.65rem 0 1.1rem}.document li{padding-left:.2rem;margin:.28rem 0}
.table-wrap{overflow-x:auto;margin:1.2rem 0 1.9rem;border:1px solid var(--line)}
table{width:100%;min-width:680px;border-collapse:collapse;font-size:.93rem;line-height:1.65}
th,td{padding:.78rem .72rem;text-align:left;vertical-align:top;border-right:1px solid var(--line);border-bottom:1px solid var(--line);word-break:break-word}
th:last-child,td:last-child{border-right:0}tr:last-child td{border-bottom:0}th{background:#ededed;font-weight:700}
td p,th p{margin:0!important;text-align:left!important}
.home{max-width:820px;margin:0 auto;padding:72px 28px 96px}.home h1{font-size:2rem;line-height:1.35;margin:0 0 .8rem}.home .lead{color:var(--muted);margin:0 0 2.2rem}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.card{display:block;border:1px solid var(--line);border-radius:12px;padding:24px;text-decoration:none;background:#fff}.card:hover{border-color:#777;background:#fafafa}.card strong{display:block;font-size:1.2rem;margin-bottom:.4rem}.card span{color:var(--muted);font-size:.94rem}
.site-footer{border-top:1px solid var(--line);color:var(--muted);font-size:.875rem}.site-footer__inner{max-width:960px;margin:0 auto;padding:22px 24px}
@media(max-width:680px){.site-header__inner{padding:0 16px}.nav{gap:12px;font-size:.84rem}.document{padding:36px 18px 64px}.document h1{font-size:1.62rem}.document h2{font-size:1.3rem;margin-top:2.3rem}.document h3{font-size:1.12rem}.cards{grid-template-columns:1fr}.home{padding:48px 18px 72px}}
@media print{.site-header,.site-footer{display:none}.document{max-width:none;padding:0}.document h2{break-after:avoid}.table-wrap{overflow:visible;border:0}table{min-width:0;font-size:10pt}a{text-decoration:none}}