/* Contact uses the shared arcade shell and a comfortable form reading scale. */
*{box-sizing:border-box}
body{margin:0}
a{color:inherit;text-underline-offset:3px}
button,input,textarea{font:inherit}
button{cursor:pointer}
#contact{max-width:820px;margin-inline:auto}
body.arcade-page.contact-page{font-size:16px}
.contact-intro{display:flex;justify-content:space-between;align-items:end;gap:24px;padding:40px 0 25px;border-bottom:1px solid var(--line)}
.contact-intro h1{font:900 clamp(52px,6vw,72px)/1.05 var(--display);letter-spacing:-.5px;margin:0;color:var(--ink)}
.contact-lead{font:16px/1.7 var(--body);color:var(--muted);max-width:310px;margin:0 0 4px}
.contact-layout{padding:25px 0 12px}
.contact-sheet{position:relative;min-width:0;padding:30px 32px 32px;background:var(--panel);border:1px solid var(--line);border-radius:6px}
.contact-categories{border:0;padding:0;margin:0 0 26px;min-width:0}
.contact-categories legend,.field>label,.message-label>label{font-size:16px;font-weight:700;line-height:1.5;margin:0 0 10px;color:var(--ink)}
.category-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.category-grid label{display:flex;align-items:center;gap:10px;min-height:56px;padding:13px 14px;border:1px solid var(--muted);border-radius:3px;cursor:pointer;transition:background .15s,border-color .15s}
.category-grid label:has(input:checked){border-color:var(--accent);background:var(--soft);box-shadow:inset 3px 0 0 var(--accent)}
.category-grid label:has(input:focus-visible){outline:3px solid var(--accent);outline-offset:3px}
.category-grid input{flex:none;width:18px;height:18px;margin:0;accent-color:var(--accent)}
.category-grid strong{display:block;font-size:16px;font-weight:700;line-height:1.5;overflow-wrap:anywhere}
.contact-page .field-help{font-size:16px;line-height:1.7;color:var(--muted);margin:10px 0 0;overflow-wrap:anywhere}
.contact-fields{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{min-width:0;margin-bottom:22px}
.field>label{display:block}
.field label>span{font-size:16px;font-weight:400;color:var(--muted)}
.field :is(input,textarea){display:block;width:100%;min-height:48px;padding:12px;background:var(--paper);color:var(--ink);border:1px solid var(--muted);border-radius:3px;font-size:16px;line-height:1.5}
.field textarea{resize:vertical;min-height:170px}
.field :is(input,textarea)::placeholder{color:var(--muted);opacity:1}
.contact-page :is(input,textarea):focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.field :is(input,textarea):disabled{color:var(--muted);background:var(--soft);opacity:1}
.message-label{display:flex;justify-content:space-between;flex-wrap:wrap;gap:0 10px;align-items:baseline}
.message-label>span{font:16px/1.5 var(--body);white-space:nowrap;color:var(--muted);margin-bottom:10px;font-variant-numeric:tabular-nums}
.contact-trap{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden;pointer-events:none}
.contact-check{border-block:1px solid var(--line);padding:17px 0 18px}
.check-heading{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:14px;font-size:16px;font-weight:700}
.contact-page .text-button{min-width:44px;min-height:44px;padding:8px 0;background:none;border:0;color:var(--accent);font-size:16px;text-decoration:underline;text-underline-offset:3px}
.contact-page .text-button:disabled{color:var(--muted);opacity:1;cursor:wait}
#contact-widget{min-height:65px;width:100%;max-width:300px}
.contact-privacy-note{font-size:16px;line-height:1.8;color:var(--muted);margin:20px 0}
.contact-privacy-note a{display:inline-block;min-height:44px;padding-block:8px;color:var(--ink)}
.form-message{font-size:16px;line-height:1.7;margin:16px 0;overflow-wrap:anywhere}
.form-message:empty{display:none}
.contact-page .is-error{color:var(--accent)}
.contact-submit{display:flex;justify-content:space-between;align-items:center;gap:20px;width:100%;min-height:52px;padding:15px 18px;background:var(--accent);color:var(--paper);border:1px solid var(--accent);border-radius:3px;font-size:16px;font-weight:700;text-align:left}
.contact-submit>span:last-child{font:700 25px/1 var(--body)}
.contact-submit:hover:not(:disabled){filter:brightness(1.06)}
.contact-submit:disabled{background:var(--soft);color:var(--muted);border-color:var(--muted);opacity:1;cursor:not-allowed;filter:none}
.preview-note{background:var(--soft);color:var(--ink);border-left:3px solid var(--accent);padding:13px 15px;font-size:16px;line-height:1.7;margin:0 0 24px}
.contact-success{padding:10px 0 8px}
.success-mark{display:grid;place-items:center;width:54px;height:54px;margin-bottom:22px;border:1px solid var(--accent);border-radius:50%;color:var(--accent);font-size:26px}
.contact-success h2{font:900 38px/1.15 var(--display);letter-spacing:-.4px;margin:15px 0 20px;overflow-wrap:anywhere}
.contact-success>p{font-size:16px;line-height:1.8}
.receipt{border-block:1px dashed var(--muted);padding:18px 0;margin:26px 0 15px}
.receipt>span{display:block;font:700 16px/1.5 var(--body);color:var(--muted);margin-bottom:10px}
.receipt code{font:16px/1.8 var(--mono,'Courier New',monospace);overflow-wrap:anywhere}
.contact-success .contact-submit{margin-top:26px}
html:lang(zh) .contact-intro h1{font-size:clamp(36px,5vw,56px);font-weight:900;line-height:1.3;letter-spacing:0}
html:lang(zh) .contact-success h2{font-weight:900;line-height:1.4;letter-spacing:0}
@media(max-width:760px){
 .contact-intro{display:block;padding:30px 0 22px}
 .contact-lead{margin-top:12px;max-width:none}
 .contact-layout{padding-top:22px}
 .contact-sheet{padding:25px}
}
@media(max-width:430px){
 .contact-page .page{padding-inline:17px}
 .contact-sheet{padding:22px 16px}
 .contact-fields{grid-template-columns:1fr;gap:0}
 .category-grid{gap:8px}
 .category-grid label{padding:12px 10px;gap:8px;align-items:flex-start}
 .category-grid input{margin-top:3px}
 .contact-success h2{font-size:32px}
}
@media(prefers-reduced-motion:reduce){.category-grid label{transition:none}}

.contact-legal-note{font-size:16px;line-height:1.8;color:var(--muted);margin:18px 0 0}
.contact-legal-note a{display:inline-block;min-height:44px;padding-block:7px;color:var(--ink)}