:root{font-family:system-ui,-apple-system,"Microsoft YaHei",sans-serif;color:#17243a;background:#f4f7fb;line-height:1.7;font-synthesis:none}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0}a{color:#1e5bd7;text-underline-offset:3px}.wrap{width:min(1120px,calc(100% - 36px));margin:auto}header{background:#102344;color:#fff}nav{display:flex;justify-content:space-between;align-items:center;padding:19px 0;gap:20px}nav a{color:inherit;text-decoration:none}nav>div{display:flex;gap:22px}.brand{font-weight:800;display:flex;gap:12px}.breadcrumb{font-size:13px;color:#60708a;margin-top:26px}h1{font-size:34px;margin:16px 0 6px;line-height:1.3}h2{font-size:21px;margin:6px 0 12px;line-height:1.4}h3{font-size:17px}.lead,.muted{color:#60708a}.lead{margin:0 0 25px}.checkout-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(330px,1fr);gap:22px;align-items:start}.card{background:#fff;border:1px solid #dfe7f2;border-radius:16px;padding:25px;margin-bottom:22px;box-shadow:0 8px 24px #17365d05}.section-label{font-size:12px;font-weight:750;color:#1e5bd7;margin-bottom:10px;letter-spacing:.04em}.plans{padding:0;border:0;display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}.plan{display:flex;align-items:center;gap:10px;border:1px solid #ccd8eb;border-radius:11px;padding:15px;cursor:pointer}.plan:has(input:checked){border:2px solid #1e5bd7;background:#f2f7ff;padding:14px}.plan strong,.plan small{display:block}.plan small{color:#60708a;font-size:12px}.plan b{color:#1e5bd7;font-size:24px;margin-left:auto}.details{margin:20px 0 0}.details>div{display:flex;gap:18px;justify-content:space-between;margin:10px 0;font-size:14px}.details dt{color:#60708a;flex-shrink:0}.details dd{margin:0;text-align:right;overflow-wrap:anywhere}.service-name{font-weight:700}.total{border-top:1px solid #e4eaf4;padding:20px 0 10px;margin-top:20px;display:flex;justify-content:space-between;align-items:center}.total strong{font-size:36px;color:#1e5bd7}.check{display:flex;gap:9px;font-size:13px;align-items:start;margin:18px 0;cursor:pointer}.check input{margin-top:5px;flex-shrink:0}button,.button{font:inherit;display:inline-flex;justify-content:center;align-items:center;border:1px solid transparent;border-radius:9px;background:#1e5bd7;color:#fff;padding:11px 18px;text-decoration:none;font-weight:700;cursor:pointer}button:disabled{background:#e3e9f2;color:#64748b;cursor:not-allowed}.full{width:100%}.secondary{background:#f6f9ff;border-color:#d5e1f3;color:#1e5bd7;margin-top:12px}.text-button{background:none;color:#1e5bd7;padding:4px 0;font-size:14px}.small{font-size:12px}.actions{display:flex;align-items:center;gap:22px;margin-top:20px}form>label:not(.check){display:block;font-size:14px;font-weight:650;margin:15px 0 6px}input[type=email],input[type=password]{width:100%;height:44px;padding:10px 12px;border:1px solid #bdcce1;border-radius:8px;font:inherit;background:#fff;color:#17243a}input:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid #8fbcff;outline-offset:3px}.account{font-weight:700;overflow-wrap:anywhere}.order-no{font:12px/1.8 ui-monospace,monospace;max-width:240px}.support{font-size:13px;text-align:center;color:#60708a}#message{border-radius:10px;padding:12px 16px;background:#eaf3ff;font-size:14px;overflow-wrap:anywhere}#message:empty{display:none}#message[data-error=true]{background:#fff0ef;color:#b42318}.usage{padding-left:23px;color:#60708a}hr{border:0;border-top:1px solid #dfe7f2;margin:24px 0}footer{border-top:1px solid #dfe7f2;padding:20px 0 30px;font-size:12px;color:#60708a}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0)}@media(max-width:820px){.checkout-grid{grid-template-columns:1fr}h1{font-size:29px}.card{padding:21px}}@media(max-width:480px){.plans{grid-template-columns:1fr}.brand{font-size:13px}nav>div{font-size:12px;gap:12px}.wrap{width:calc(100% - 26px)}.details>div{gap:12px}}