:root{--paper:#fbf6ec;--card:#fff;--ink:#14213d;--muted:#4a5568;--line:#e3d8c4;--coral:#c2410c;--coral-dk:#9a3412;--teal:#0f766e;--teal-lt:#d6efe9;--sun:#fde7c7}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.65 ui-rounded,"SF Pro Rounded","Nunito","Varela Round",system-ui,-apple-system,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif}
a{color:var(--teal);text-decoration-thickness:2px;text-underline-offset:3px}
a:hover{color:var(--coral)}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:8px 12px;z-index:2}
.skip:focus{left:8px;top:8px}
.wrap{max-width:960px;margin:0 auto;padding:0 16px}
header.top{background:var(--ink)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:8px 16px;min-height:64px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
.logo img{display:block;height:28px;width:auto}
.lang{display:flex;gap:4px;flex-wrap:wrap;font-size:14px}
.lang a{color:#e8ecf4;text-decoration:none;padding:6px 10px;border-radius:999px}
.lang a[aria-current]{background:#fff;color:var(--ink);font-weight:700}
nav.pages{background:var(--sun);border-bottom:2px solid var(--ink)}
nav.pages ul{list-style:none;margin:0;padding:10px 0;display:flex;flex-wrap:wrap;gap:8px}
nav.pages a{display:block;padding:7px 14px;border-radius:999px;border:2px solid var(--ink);color:var(--ink);text-decoration:none;font-weight:700;font-size:15px;background:#fff}
nav.pages a:hover{color:var(--coral)}
nav.pages a[aria-current]{background:var(--coral);border-color:var(--coral);color:#fff}
.crumb{font-size:14px;color:var(--muted);margin:20px 0 0}
.crumb a{color:var(--muted)}
h1,h2,h3{line-height:1.2;font-weight:800;letter-spacing:-.01em;overflow-wrap:anywhere}
h1{font-size:clamp(30px,6vw,46px);margin:18px 0 12px}
h2{font-size:clamp(22px,4vw,30px);margin:44px 0 14px;display:flex;align-items:center;gap:12px}
h2::before{content:"";flex:none;width:12px;height:12px;border-radius:3px;background:var(--coral);transform:rotate(45deg)}
h3{font-size:19px;margin:20px 0 8px}
.lead{font-size:19px;max-width:760px}
.updated{font-size:14px;color:var(--muted);margin:0}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0 8px}
.btn{display:inline-flex;align-items:center;min-height:48px;padding:10px 22px;border-radius:999px;font-weight:800;text-decoration:none;border:2px solid var(--ink)}
.btn-main{background:var(--coral);border-color:var(--coral);color:#fff}
.btn-main:hover{background:var(--coral-dk);border-color:var(--coral-dk);color:#fff}
.btn-alt{background:#fff;color:var(--ink)}
.btn-alt:hover{color:var(--coral)}
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;margin:16px 0}
.tile{display:block;background:var(--card);border:2px solid var(--ink);border-radius:16px;padding:16px 18px;box-shadow:5px 5px 0 var(--ink);color:var(--ink);text-decoration:none}
.tile:hover,.tile:focus-visible{box-shadow:7px 7px 0 var(--coral);color:var(--ink)}
.tile strong{display:block;font-size:19px;margin-bottom:4px;color:var(--coral)}
.tile span{color:var(--muted);font-size:15px}
.tbl{overflow-x:auto;margin:14px 0;border:2px solid var(--ink);border-radius:14px;background:var(--card)}
table{border-collapse:collapse;width:100%;font-size:15px}
th,td{padding:10px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
thead th{background:var(--teal-lt);font-weight:800}
thead td{background:var(--teal-lt)}
tbody th{font-weight:700}
tbody tr:nth-child(even){background:#fdfaf3}
tbody tr:last-child td,tbody tr:last-child th{border-bottom:0}
.num{text-align:right;white-space:nowrap}
ul.terms{list-style:none;padding:0;margin:0}
ul.terms li{background:var(--card);border-left:6px solid var(--teal);border-radius:10px;padding:12px 16px;margin:10px 0}
ul.pick li{margin:8px 0}
.calc{background:var(--card);border:2px dashed var(--teal);border-radius:16px;padding:16px 18px;margin:16px 0}
.calc label{font-weight:800;display:block;margin-bottom:8px}
.calc input{font:inherit;font-size:22px;letter-spacing:.2em;width:8ch;padding:6px 10px;border:2px solid var(--ink);border-radius:10px;background:#fff;color:var(--ink)}
.calc output{display:block;margin-top:10px;font-weight:700;min-height:1.6em}
.calc .orders{display:block;font-family:ui-monospace,Menlo,Consolas,monospace;font-weight:400;word-spacing:.35em;overflow-wrap:anywhere}
.src{font-size:14px;color:var(--muted)}
.qa{background:var(--card);border:2px solid var(--line);border-radius:14px;padding:4px 16px;margin:10px 0}
.qa h3{margin:12px 0 6px}
.qa p{margin:0 0 12px}
.rg{margin:40px 0 24px;padding:12px 16px;border:2px solid var(--ink);border-radius:12px;background:var(--sun);font-size:15px}
footer.foot{background:var(--ink);color:#d9dfeb;padding:18px 0 34px;font-size:14px;margin-top:40px}
footer.foot p{margin:8px 0;overflow-wrap:anywhere}
footer.foot a{color:#fff}
@media (prefers-reduced-motion:no-preference){.tile{transition:box-shadow .15s}}