:root{--bg:#ffffff;--bg2:#f3f4f5;--ink:#1b2126;--muted:#43505b;--line:#d5dade;--accent:#1f5f8b;--accent-d:#174a6d;--tbc:#6b4a00;--tbc-bg:#fbf3dc;--max:1120px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 "Segoe UI",Helvetica,Arial,"Microsoft YaHei",sans-serif}
a{color:var(--accent);text-underline-offset:3px}
a:hover{color:var(--accent-d)}
a:focus-visible,summary:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #f0a500;outline-offset:2px}
img,svg{max-width:100%;height:auto}
h1,h2,h3{line-height:1.25;color:var(--ink);margin:0 0 .6em}
h1{font-size:2.1rem;letter-spacing:-.01em}
h2{font-size:1.5rem;margin-top:0}
h3{font-size:1.15rem}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.25em}
li{margin:.25em 0}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:#fff;padding:8px;z-index:9}
.site-header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:5}
.bar{display:flex;align-items:center;gap:20px;min-height:64px}
.brand{display:flex;flex-direction:column;text-decoration:none;color:var(--ink);margin-right:auto;line-height:1.1}
.wordmark{font-weight:700;font-size:1.35rem;letter-spacing:.02em}
.by{font-size:.78rem;color:var(--muted);margin-top:2px}
.nav{display:flex;gap:18px;flex-wrap:wrap}
.nav a{color:var(--ink);text-decoration:none;font-size:.95rem;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{border-bottom-color:var(--accent)}
.mnav{display:none}
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;padding:12px 22px;border:0;font:inherit;font-weight:600;border-radius:2px;cursor:pointer}
.btn:hover{background:var(--accent-d);color:#fff}
.btn-small{padding:8px 14px;font-size:.92rem;white-space:nowrap}
.btn-ghost{background:#fff;color:var(--accent);border:1px solid var(--accent)}
.btn-ghost:hover{background:var(--bg2);color:var(--accent-d)}
.btns{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 8px}
.hero{padding:56px 0 40px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.kicker{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:10px;font-weight:600}
.lead{font-size:1.12rem;color:var(--muted);max-width:60ch}
.section{padding:48px 0;border-bottom:1px solid var(--line)}
.section.alt{background:var(--bg2)}
.section:last-of-type{border-bottom:0}
.crumbs{font-size:.88rem;color:var(--muted);padding:18px 0 0}
.crumbs a{color:var(--muted)}
.page-head{padding:28px 0 28px;border-bottom:1px solid var(--line)}
.page-head .lead{margin-bottom:0}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{border:1px solid var(--line);padding:22px;background:#fff}
.card h3 a{color:var(--ink);text-decoration:none}
.card h3 a:hover{color:var(--accent)}
.card .meta{font-size:.9rem;color:var(--muted);margin:0 0 8px}
.card p:last-child{margin-bottom:0}
.tag{display:inline-block;font-size:.8rem;border:1px solid var(--line);padding:2px 8px;color:var(--muted);margin:0 6px 6px 0}
.tbc{background:var(--tbc-bg);color:var(--tbc);padding:0 6px;border-radius:2px;font-size:.92em;white-space:nowrap}
.table-wrap{overflow-x:auto;border:1px solid var(--line);margin:8px 0 20px;background:#fff}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:var(--bg2);font-weight:600;white-space:nowrap}
tbody th{font-weight:600;background:#fff;white-space:nowrap;width:1%}
caption{caption-side:top;text-align:left;font-weight:600;padding:8px 0;color:var(--ink)}
.note{font-size:.9rem;color:var(--muted)}
.callout{border-left:4px solid var(--accent);background:var(--bg2);padding:16px 20px;margin:20px 0}
.callout p:last-child{margin-bottom:0}
.steps{counter-reset:s;list-style:none;padding:0;margin:0}
.steps li{counter-increment:s;border-top:1px solid var(--line);padding:14px 0 14px 52px;position:relative;margin:0}
.steps li::before{content:counter(s);position:absolute;left:0;top:14px;width:34px;height:34px;border:1px solid var(--accent);color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:700}
.figure{margin:24px 0;border:1px solid var(--line);background:#fff;padding:16px}
.figure figcaption{font-size:.9rem;color:var(--muted);margin-top:8px}
.facts{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff}
.facts div{padding:16px 18px;border-right:1px solid var(--line)}
.facts div:last-child{border-right:0}
.facts dt{font-size:.82rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.facts dd{margin:4px 0 0;font-weight:600}
form.inq{display:grid;grid-template-columns:1fr 1fr;gap:16px 20px}
form.inq .full{grid-column:1/-1}
form.inq label{display:block;font-weight:600;font-size:.95rem;margin-bottom:4px}
form.inq input,form.inq select,form.inq textarea{width:100%;font:inherit;padding:10px 12px;border:1px solid #8a959e;border-radius:2px;background:#fff;color:var(--ink)}
form.inq textarea{min-height:120px}
form.inq .hint{font-size:.85rem;color:var(--muted);margin-top:4px}
form.inq .check{display:flex;gap:10px;align-items:flex-start;font-weight:400}
form.inq .check input{width:auto;margin-top:5px}
.form-msg{margin-top:12px;font-weight:600}
.foot-grid{display:grid;grid-template-columns:1.2fr 1fr .8fr;gap:32px;padding:40px 20px}
.site-footer{background:var(--bg2);border-top:1px solid var(--line);font-size:.92rem;color:var(--muted)}
.site-footer a{color:var(--ink)}
.foot-name{color:var(--ink)}
.foot-h{font-weight:700;color:var(--ink);margin-bottom:8px}
.foot-links{list-style:none;padding:0;margin:0}
.foot-links li{margin:.3em 0}
.foot-small{font-size:.84rem;margin-top:14px}
.pitch{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
.legal p,.legal li{font-size:.98rem}
.legal h2{margin-top:32px;font-size:1.25rem}
.svgwrap svg{display:block;width:100%;height:auto}
@media (max-width:900px){
 .nav{display:none}
 .mnav{display:block;margin-left:auto}
 .mnav summary{cursor:pointer;border:1px solid var(--line);padding:8px 12px;list-style:none;font-size:.95rem}
 .mnav-list{position:absolute;right:20px;background:#fff;border:1px solid var(--line);padding:12px 16px;display:flex;flex-direction:column;gap:6px;min-width:220px;z-index:9}
 .mnav-list a{color:var(--ink);text-decoration:none;padding:6px 0}
 .btn-small{display:none}
 .hero-grid,.grid-2,.grid-3,.grid-4,.pitch,.foot-grid{grid-template-columns:1fr}
 .facts{grid-template-columns:1fr 1fr}
 .facts div:nth-child(2){border-right:0}
 .facts div:nth-child(-n+2){border-bottom:1px solid var(--line)}
 h1{font-size:1.7rem}
 .bar{flex-wrap:wrap;gap:10px;padding:10px 20px}
 .brand{margin-right:0}
 form.inq{grid-template-columns:1fr}
}
@media (max-width:560px){
 body{font-size:16px}
 .facts{grid-template-columns:1fr}
 .facts div{border-right:0;border-bottom:1px solid var(--line)}
}