:root{--paper:#fff;--bg:#f7f4ef;--ink:#242720;--muted:#63685f;--line:#dedfd7;--orange:#ac4d21}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.7 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}a{color:var(--orange);text-underline-offset:4px}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid #7357ad;outline-offset:3px}header{max-width:1220px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 30px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:650}.brand b{background:var(--orange);color:#fff;padding:3px 9px;border-radius:5px;font-size:22px}nav{display:flex;gap:24px;font-size:13px}nav a{text-decoration:none}main{max-width:1120px;margin:auto;padding:38px 24px 64px}.eyebrow{color:var(--orange);font-size:11px;letter-spacing:.13em;font-weight:650;margin:0 0 12px}h1{font-size:clamp(29px,4vw,43px);line-height:1.3;margin:0 0 16px}h2{font-size:21px;line-height:1.5;margin:0 0 18px}h3{font-size:15px;margin:0 0 10px}.lead{max-width:760px;color:var(--muted);line-height:1.9;margin:0}.steps{display:flex;gap:32px;list-style:none;padding:20px 0;margin:22px 0 28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:13px}.steps span{margin-right:8px;color:var(--orange);font-variant-numeric:tabular-nums}.layout{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}.selection{min-width:0}.product{display:flex;align-items:center;justify-content:space-between;gap:15px;width:100%;text-align:left;min-height:72px;margin-bottom:10px;padding:17px 18px;background:#fff;border:1px solid var(--line);border-radius:7px;color:var(--ink)}.product span{font-size:14px;font-weight:550}.product strong{color:var(--orange);font-size:17px;white-space:nowrap}.product[aria-pressed="true"]{border:2px solid var(--orange);padding:16px 17px;background:#fff9f4}.small{font-size:12px;color:var(--muted);line-height:1.9}.account-box,.notice{padding:22px;margin-top:24px;border:1px solid var(--line);border-radius:7px;background:#fff}.account-box p,.notice li{font-size:13px;color:var(--muted)}.account-box label,.contact label{display:block;font-size:12px;margin:17px 0 7px;font-weight:600}input,textarea{width:100%;border:1px solid var(--line);padding:12px;border-radius:5px;background:#fff;color:var(--ink);font-size:15px}textarea{resize:vertical;line-height:1.9}.notice{background:#f2efe8}.notice ul{padding-left:18px;margin:0}.notice li+li{margin-top:9px}.payment{background:#fff;border:1px solid var(--line);border-radius:8px;padding:24px;min-width:0}.payment-summary{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:20px}.payment-summary span{font-size:11px;color:var(--muted)}.payment-summary h2{font-size:18px;margin:7px 0}.payment-summary a{font-size:12px}.payment-summary>strong{color:var(--orange);font-size:29px;white-space:nowrap;font-variant-numeric:tabular-nums}.tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px}.tabs button{padding:10px;border:1px solid var(--line);background:#f7f7f4;border-radius:5px;color:var(--muted);min-height:46px;font-size:14px}.tabs button[aria-selected="true"]{border-color:var(--orange);background:#fff7f0;color:var(--orange);font-weight:600}#payPanel{text-align:center}#payHint{font-size:13px;color:var(--muted);margin:16px 0 12px}#payCode{display:block;width:100%;max-width:360px;height:auto;margin:0 auto;border-radius:5px}.recipient{font-size:13px;font-weight:600;margin-bottom:10px}.original-link{font-size:12px}.primary{display:block;width:100%;min-height:48px;padding:12px 17px;border:0;border-radius:5px;background:var(--orange);color:#fff;font-size:14px;font-weight:600;text-align:center}.primary:hover{background:#8e3d18}.text-button{display:block;width:100%;padding:12px;border:0;background:transparent;color:var(--orange);text-decoration:underline;font-size:13px}.contact{margin-top:36px;padding:30px;background:#fff;border:1px solid var(--line);border-radius:8px;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;scroll-margin-top:24px}.contact[hidden]{display:none}.contact p{color:var(--muted);font-size:14px}.contact figure{margin:0;text-align:center}.contact img{max-width:310px;width:100%;height:auto}.contact figcaption{font-size:12px;margin-top:12px}.contact .primary{margin-top:12px}#message{min-height:24px}footer{max-width:1120px;margin:auto;padding:20px 24px 34px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}.invalid-link{padding:13px;border:1px solid #c29a5e;border-radius:6px;background:#fff5de;color:#77511c;font-size:13px;margin-bottom:18px}.payment[hidden]{display:none}
@media(max-width:780px){.layout{grid-template-columns:1fr}.contact{grid-template-columns:1fr;gap:20px}.contact figure{max-width:310px;margin:auto}.steps{gap:18px}header{padding:16px 22px}.selection h2{font-size:19px}}
@media(max-width:420px){header{padding:14px 16px;gap:12px}header nav{gap:12px;font-size:11px}main{padding:26px 16px 48px}h1{font-size:29px}.lead{font-size:13px}.steps{gap:13px;font-size:11px;flex-wrap:wrap}.steps span{margin-right:4px}.product{padding:15px 13px}.product[aria-pressed="true"]{padding:14px 12px}.product span{font-size:13px}.product strong{font-size:16px}.account-box,.notice,.payment,.contact{padding:18px}.payment-summary{gap:9px}.payment-summary h2{font-size:16px}.payment-summary>strong{font-size:26px}.contact{scroll-margin-top:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}