:root{--ink:#17202b;--muted:#667085;--line:#d9e0e8;--paper:#fff;--ground:#f4f7fa;--brand:#075e75;--soft:#e8f4f6;--input:#fff;--accent:#fcfeff}body.dark{--ink:#ecf4f7;--muted:#aebfca;--line:#334653;--paper:#17232b;--ground:#0d151b;--brand:#37b9c7;--soft:#173740;--input:#101b22;--accent:#142129}*{box-sizing:border-box}body{margin:0;background:var(--ground);color:var(--ink);font:15px/1.5 Inter,system-ui,sans-serif;transition:background .2s,color .2s}main{max-width:1060px;margin:auto;padding:54px 22px 70px}header{margin:0 0 26px;max-width:720px}.header-row{display:flex;align-items:start;justify-content:space-between;gap:18px}.eyebrow{color:var(--brand);font-size:12px;font-weight:800;letter-spacing:.12em;margin:0}h1{font-size:38px;letter-spacing:-.04em;margin:5px 0}h2{font-size:19px;margin:0 0 15px}h3{font-size:16px;margin:16px 0 2px}.card{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:24px;margin:16px 0;box-shadow:0 3px 13px #17202b09}.card summary{font-size:17px;font-weight:800;cursor:pointer}.accent{border-color:#a8d6de;background:var(--accent)}.row{display:flex;gap:14px;align-items:end;flex-wrap:wrap}label{display:block;font-weight:700;flex:1;min-width:170px;margin:10px 0}.wide{flex:3}.action-label{flex:0 0 146px;min-width:146px}.action-label span{display:block;height:18px}.action-label button{width:100%;white-space:nowrap}input,select,textarea{display:block;width:100%;margin-top:5px;border:1px solid #bfcad5;border-radius:7px;padding:10px;background:var(--input);color:var(--ink);font:14px ui-monospace,SFMono-Regular,Consolas,monospace}body.dark input,body.dark select,body.dark textarea{border-color:#49606e}select{font-family:inherit}textarea{min-height:245px;resize:vertical;line-height:1.45}button{border:0;border-radius:7px;padding:11px 17px;background:var(--brand);color:white;font-weight:800;cursor:pointer}.theme-toggle,.secondary{background:#455468}.theme-toggle{white-space:nowrap}.notice{margin-top:12px;padding:10px 12px;border-radius:7px;background:var(--soft);color:var(--ink)}.bad{background:#4b2425;color:#ffd8d5}.hint{font-size:13px;color:var(--muted)}.hidden{display:none}.check{font-weight:500}.check input{display:inline;width:auto;margin-right:7px}code{font:12px ui-monospace,SFMono-Regular,Consolas,monospace;background:#edf1f4;padding:2px 4px;border-radius:3px}body.dark code{background:#243640}.service-tabs{display:flex;gap:7px;overflow-x:auto;padding:4px 0 10px;border-bottom:1px solid var(--line)}.service-tabs button{background:transparent;color:var(--muted);border:1px solid var(--line);padding:8px 12px;white-space:nowrap}.service-tabs button.active{background:var(--brand);color:#fff;border-color:var(--brand)}.assets{display:flex;gap:12px;flex-wrap:wrap;margin:12px 0}.asset{padding:9px;border:1px solid var(--line);border-radius:7px;background:var(--input);min-width:210px}.asset img{display:block;max-width:180px;max-height:120px;object-fit:contain;margin-top:6px}.faq-list{display:grid;gap:7px}.faq{background:#f7fafc;border-left:3px solid #8ac7d1;padding:8px 10px}body.dark .faq{background:#1b3038}.faq div{color:var(--muted);font-size:13px;margin-top:2px}@media(max-width:600px){main{padding:30px 13px}h1{font-size:30px}.card{padding:18px}.header-row{align-items:center}.action-label{flex-basis:100%;min-width:170px}.action-label span{display:none}}