:root{--ink:#172433;--muted:#607083;--navy:#123b66;--blue:#1769aa;--soft:#eaf3fa;--paper:#f4f7f9;--line:#d7e0e7;--radius:12px;--shadow:0 12px 32px rgba(18,59,102,.07)}
html{scroll-behavior:smooth;scroll-padding-top:132px}body{color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif}a{color:var(--blue)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(23,105,170,.35);outline-offset:3px}.skip-link{position:fixed;z-index:1000;top:10px;left:10px;padding:10px 14px;border-radius:8px;color:#fff;background:var(--navy);transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}
header{position:relative;overflow:hidden;padding:52px 20px 42px;text-align:left;background:var(--navy)}header::after{content:"";position:absolute;width:440px;height:440px;right:-190px;top:-250px;border:70px solid rgba(255,255,255,.055);border-radius:50%}.header-inner{position:relative;z-index:1;max-width:1168px;margin:0 auto}.header-kicker{margin-bottom:12px;color:#bcd5e9;font-size:14px;font-weight:700;letter-spacing:.08em}header h1{max-width:760px;margin-bottom:12px;font-size:clamp(30px,4vw,48px);line-height:1.15;letter-spacing:-.04em}header p{max-width:700px;color:#d7e6f2;font-size:16px;opacity:1}.header-meta{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:22px;color:#eaf3fa;font-size:14px}.header-meta span{display:inline-flex;align-items:center;gap:7px}.header-meta span::before{content:"";width:6px;height:6px;border-radius:50%;background:#7fc2ef}
.utility-bar{position:sticky;z-index:100;top:0;border-bottom:1px solid var(--line);background:rgba(255,255,255,.94);backdrop-filter:blur(14px)}.utility-inner{display:grid;grid-template-columns:minmax(220px,1fr) auto;gap:16px;align-items:center;max-width:1168px;min-height:68px;margin:0 auto;padding:10px 16px}.search-box{position:relative}.search-box input{width:100%;height:44px;padding:0 110px 0 16px;border:1px solid #bdcad5;border-radius:10px;color:var(--ink);background:#fff;font:inherit;font-size:15px}.search-status{position:absolute;right:12px;top:11px;color:var(--muted);font-size:13px}.view-switch{display:flex;gap:4px;padding:4px;border:1px solid var(--line);border-radius:10px;background:#eef3f6}.view-switch button{min-height:34px;padding:0 13px;border:0;border-radius:7px;color:#4f6172;background:transparent;font:inherit;font-size:14px;font-weight:700;cursor:pointer}.view-switch button[aria-pressed="true"]{color:#fff;background:var(--navy)}
.section-nav{border-bottom:1px solid var(--line);background:#fff}.section-nav-inner{display:flex;gap:4px;max-width:1168px;margin:0 auto;padding:8px 16px;overflow-x:auto}.section-nav a{flex:0 0 auto;padding:7px 10px;border-radius:7px;color:#496071;font-size:14px;text-decoration:none}.section-nav a:hover{color:var(--navy);background:var(--soft)}.container{max-width:1200px;padding:12px 16px 40px}section{margin:18px 0;padding:28px;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}section h2{margin-bottom:20px;padding-left:0;border-left:0;color:var(--navy);font-size:clamp(22px,2.5vw,28px);line-height:1.3}section h3{margin:28px 0 12px;padding:20px 0 0;border-top:1px solid var(--line);border-bottom:0;color:#263c50;font-size:19px}.badge{padding:3px 8px;border-radius:5px;background:#b4232c;font-size:11px}.alert{border-color:#e7c47e;border-radius:10px;color:#754200;background:#fff7e6}.alert-info{border-color:#a9cce6;color:#174c76;background:#eef7fd}table{display:table;overflow:hidden;border:1px solid var(--line);border-radius:10px;font-size:15px}th,td{border:0;border-bottom:1px solid var(--line);vertical-align:top}th{color:#25445e;background:#edf4f8;font-size:14px}tr:last-child td{border-bottom:0}tr:nth-child(even) td{background:#f8fafb}.two-col{gap:18px;align-items:start}.two-col section{margin:0}.col-left section,.col-right section{border-top:1px solid var(--line)}.col-label{padding:10px 12px;border-radius:8px;color:var(--navy)!important;background:var(--soft)!important;font-size:16px}.is-hidden{display:none!important}.note{color:var(--muted);line-height:1.65}.back-to-top{position:fixed;z-index:90;right:18px;bottom:18px;width:46px;height:46px;border:1px solid #aebdca;border-radius:50%;color:#fff;background:var(--navy);box-shadow:0 8px 24px rgba(18,59,102,.2);font-size:20px;cursor:pointer}footer{border-top:1px solid var(--line);color:var(--muted);background:#e9eef2}mark.search-hit{padding:0 2px;border-radius:2px;color:inherit;background:#ffe28a}
@media(max-width:900px){.utility-inner{grid-template-columns:1fr}.view-switch{width:100%}.view-switch button{flex:1}.two-col{grid-template-columns:1fr}section{padding:22px 18px}}@media(max-width:640px){html{scroll-padding-top:180px}header{padding:38px 18px 32px}.container{padding-inline:10px}section{padding:20px 14px}.table-scroll{width:100%;margin:12px 0;overflow-x:auto;border-radius:10px}.table-scroll table{min-width:570px;margin:0}.table-scroll::after{content:"表格可左右滑动";display:block;padding-top:6px;color:var(--muted);font-size:12px;text-align:right}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}@media print{body{color:#000;background:#fff;font-size:11pt}.utility-bar,.section-nav,.back-to-top,.skip-link{display:none!important}header{padding:18px 0;color:#000;background:#fff}header p,.header-meta,.header-kicker{color:#333}.container{max-width:none;padding:0}.two-col{display:block}section{break-inside:avoid;margin:10px 0;padding:12px;box-shadow:none}table{font-size:9pt}}
.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.two-col,.col-left,.col-right,section{min-width:0}@media(max-width:640px){.table-scroll{max-width:100%}.table-scroll table{width:570px}}