:root{color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#142e4a;background:#fff;font-synthesis:none;--muted:#53677b;--line:#dbe3eb;--blue:#1952b8}
*{box-sizing:border-box}html{scroll-padding-top:28px}body{margin:0;min-width:320px}a{color:var(--blue);text-underline-offset:4px}a:hover{text-decoration:underline}a:focus-visible,[tabindex]:focus-visible{outline:3px solid #3778df;outline-offset:5px}p{line-height:1.85}h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.025em}h1{font-size:clamp(40px,5.5vw,72px);line-height:1.22;margin-bottom:28px}h2{font-size:clamp(26px,3vw,36px);line-height:1.4;margin-bottom:18px}h3{font-size:20px;line-height:1.5;margin-bottom:12px}
.site-header,.site-footer,main{width:min(1120px,calc(100% - 64px));margin-inline:auto}.site-header{min-height:104px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}.wordmark{display:block;font-size:24px;font-weight:750;text-decoration:none;color:#142e4a;letter-spacing:.05em}.wordmark span{display:block;font-size:11px;font-weight:400;letter-spacing:.11em;margin-top:6px;color:var(--muted)}nav{display:flex;gap:28px;font-size:14px}nav a{color:var(--muted);text-decoration:none}nav a[aria-current]{color:var(--blue)}.skip-link{position:absolute;left:20px;top:-90px;background:white;padding:12px;z-index:3}.skip-link:focus{top:12px}.preview{background:#fff0b8;color:#614706;text-align:center;padding:12px;font-size:14px}
.hero{padding:76px 0 80px;position:relative;max-width:900px}.eyebrow{font-size:12px;font-weight:650;letter-spacing:.15em;color:var(--blue);margin-bottom:22px}.status{display:inline-flex;align-items:center;gap:9px;font-size:13px;color:#67551d;background:#fbf4dc;border:1px solid #e8dba8;padding:7px 12px;margin:0 0 30px}.status span{width:7px;height:7px;border-radius:50%;background:#9b7720}.lead{max-width:720px;font-size:19px;color:var(--muted);margin-bottom:30px}.actions{display:flex;align-items:center;gap:28px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;gap:34px;padding:15px 22px;background:#164788;color:#fff;text-decoration:none;border-radius:4px;font-size:15px}.button:hover{background:#123c74}.text-link{font-size:14px}.hero-note{margin:23px 0 0;font-size:12px;color:var(--muted)}.section{border-top:1px solid var(--line);padding:64px 0;scroll-margin-top:24px}.section-heading{max-width:740px;margin-bottom:34px}.section-heading p:not(.eyebrow){color:var(--muted);font-size:15px}.section-heading .eyebrow{margin-bottom:14px}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:38px}.features article{padding-top:18px;border-top:2px solid #234d7c}.features p,.steps p{color:var(--muted);font-size:14px;margin-bottom:0}.number{display:block;font-size:12px;color:var(--blue);margin:0 0 20px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding:0;counter-reset:step;list-style:none}.steps li{counter-increment:step}.steps li:before{content:counter(step,decimal-leading-zero);display:block;font-size:28px;color:#587aa2;margin-bottom:22px}.steps h3{font-size:17px}.notice{border-left:3px solid #4c75a6;background:#f1f5fa;padding:20px 24px;margin:34px 0 0;font-size:14px;line-height:1.7}.notice p{margin:8px 0 0;color:var(--muted)}.contact{display:grid;grid-template-columns:1fr 1fr;gap:80px}.contact>div>p:not(.eyebrow){font-size:15px;color:var(--muted)}dl{margin:0}dt{font-size:12px;color:var(--muted);margin:0 0 8px}dd{margin:0 0 22px;line-height:1.8;overflow-wrap:anywhere;font-size:15px}.site-footer{border-top:1px solid var(--line);padding:34px 0 42px;display:flex;justify-content:space-between;gap:28px}.site-footer .wordmark{font-size:18px}.site-footer p{font-size:12px;color:var(--muted);margin:15px 0 0;overflow-wrap:anywhere}.footer-links{display:flex;align-items:flex-start;flex-wrap:wrap;justify-content:flex-end;gap:18px;max-width:390px;font-size:12px}.footer-links a{color:var(--muted)}
.document{max-width:850px;padding-block:64px 80px}.document h1{font-size:clamp(32px,4vw,44px);margin-bottom:18px}.document-meta{font-size:13px;color:var(--muted)}.document section{margin-top:40px}.document h2{font-size:23px}.document p{font-size:15px;color:#3f566b;overflow-wrap:anywhere}.document .notice{margin-top:24px}.table-scroll{overflow:auto;max-width:100%}table{border-collapse:collapse;width:100%;min-width:490px;font-size:14px;line-height:1.8}th,td{text-align:left;vertical-align:top;padding:15px;border:1px solid var(--line)}thead{background:#eef3f8}tbody th{min-width:130px;font-weight:600}td{color:#3f566b}code{font-size:.95em;background:#f1f4f8;padding:2px 5px;overflow-wrap:anywhere}
@media(max-width:700px){.site-header,.site-footer,main{width:calc(100% - 40px)}.site-header{align-items:flex-start;flex-direction:column;gap:24px;padding:24px 0}.wordmark{font-size:22px}nav{gap:24px;font-size:13px}.hero{padding:45px 0 50px}.lead{font-size:16px}.section{padding:44px 0}.features{grid-template-columns:1fr;gap:28px}.steps{grid-template-columns:1fr 1fr;gap:32px 24px}.contact{grid-template-columns:1fr;gap:18px}.site-footer{flex-direction:column}.footer-links{justify-content:flex-start;max-width:none}.document{padding:40px 0 56px}.document h2{font-size:21px}.notice{padding:18px}.status{font-size:12px}.actions{gap:20px}.hero-note{font-size:12px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}