:root{--bg:#fbfaf7;--ink:#1b1b1f;--mute:#5d5d66;--line:#e6e3dc;--brand:#2f5bea;--brand2:#1e3fb0;--ok:#127a3d;--warn:#a15c00;--card:#fff;--r:14px}
*{box-sizing:border-box}html,body{margin:0}body{font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--brand)}.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header.top{border-bottom:1px solid var(--line);background:#fff}header.top .wrap{display:flex;align-items:center;gap:22px;height:62px}
.logo{font-weight:800;font-size:19px;text-decoration:none;color:var(--ink);letter-spacing:-.3px}.logo span{color:var(--brand)}
nav{display:flex;gap:18px;margin-left:auto;align-items:center;font-size:15px}nav a{color:var(--ink);text-decoration:none}nav a:hover{color:var(--brand)}
.btn{display:inline-block;border:0;border-radius:10px;padding:10px 18px;font:600 15px/1.2 inherit;background:var(--brand);color:#fff;text-decoration:none;cursor:pointer}
.btn:hover{background:var(--brand2)}.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn.ghost:hover{border-color:var(--ink)}.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.big{padding:14px 26px;font-size:17px}
h1{font-size:44px;line-height:1.1;letter-spacing:-1px;margin:0 0 16px}h2{font-size:30px;letter-spacing:-.5px;margin:0 0 10px}h3{margin:0 0 6px}
.hero{padding:72px 0 48px}.hero p.lead{font-size:20px;color:var(--mute);max-width:640px}
.sec{padding:48px 0;border-top:1px solid var(--line)}.muted{color:var(--mute)}.small{font-size:14px}
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.price{font-size:38px;font-weight:800;letter-spacing:-1px}.price small{font-size:15px;font-weight:500;color:var(--mute)}
.card.featured{border:2px solid var(--brand)}ul.ticks{padding:0;list-style:none}ul.ticks li{padding:4px 0 4px 24px;position:relative}ul.ticks li:before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:700}
.steps{counter-reset:s;padding:0;list-style:none}.steps li{counter-increment:s;padding:10px 0 10px 46px;position:relative}.steps li:before{content:counter(s);position:absolute;left:0;top:8px;width:30px;height:30px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:700}
footer{border-top:1px solid var(--line);padding:30px 0;color:var(--mute);font-size:14px}footer .wrap{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between}footer a{color:var(--mute)}
form.stack{display:grid;gap:14px;max-width:400px}label{font-weight:600;font-size:14px;display:grid;gap:6px}
input[type=email],input[type=password],input[type=number],select{font:inherit;padding:11px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;width:100%}
.err{color:#b42318;min-height:1.2em;font-size:14px}.ok{color:var(--ok)}
.badge{display:inline-block;padding:2px 10px;border-radius:99px;font-size:13px;font-weight:600;background:#eef2ff;color:var(--brand2)}.badge.pro{background:#e7f6ec;color:var(--ok)}.badge.warn{background:#fff4e0;color:var(--warn)}
table{width:100%;border-collapse:collapse;font-size:15px}td,th{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line)}
.drop{border:2px dashed #c9c5bb;border-radius:var(--r);padding:44px;text-align:center;background:#fff;cursor:pointer}.drop.on{border-color:var(--brand);background:#f3f6ff}
.tools{display:flex;flex-wrap:wrap;gap:16px;align-items:end;margin:18px 0}.tools label{min-width:150px}
.files{display:grid;gap:10px;margin-top:16px}.file{display:grid;grid-template-columns:56px 1fr auto;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px}
.file img{width:56px;height:56px;object-fit:cover;border-radius:8px;background:#eee}.save{color:var(--ok);font-weight:600}
.pay{display:grid;gap:10px}.pay label{display:flex;gap:12px;align-items:center;border:1px solid var(--line);border-radius:12px;padding:14px;background:#fff;cursor:pointer;font-weight:600}
.pay label:has(input:checked){border-color:var(--brand);box-shadow:0 0 0 2px #dfe7ff}.pay img{height:26px}
.notice{background:#fff8e6;border:1px solid #f1d89a;border-radius:12px;padding:12px 14px;font-size:14px}
details{border-bottom:1px solid var(--line);padding:12px 0}summary{font-weight:600;cursor:pointer}
@media(max-width:640px){h1{font-size:32px}nav .hide-m{display:none}}