:root{color-scheme:light;--ink:#292925;--muted:#777770;--accent:#454541;--border:#e5e3dd}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 15% 0%,#eeece7 0,transparent 48%),radial-gradient(ellipse at 95% 95%,#f0eee9 0,transparent 45%),#faf8f5;color:var(--ink);font:15px/1.7 system-ui,-apple-system,"Microsoft YaHei",sans-serif;min-height:100vh}main{max-width:496px;margin:64px auto;padding:0 24px}.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:3px;text-decoration:none;color:var(--ink);font-size:21px}.brand:before{content:'·';display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:var(--accent);color:white;letter-spacing:0;font-size:21px}.brand span{font-size:12px;font-weight:500;letter-spacing:1px;color:var(--muted);border-left:1px solid #d8d2df;padding-left:12px}section{margin-top:28px;padding:34px;background:#ffffffed;border:1px solid var(--border);border-radius:22px;box-shadow:0 20px 70px #34342b0a}h1{font-size:28px;line-height:1.4;margin:10px 0;font-weight:700;letter-spacing:-.5px}h2{font-size:18px}p{color:var(--muted)}.eyebrow{font-size:11px;font-weight:600;letter-spacing:2px;color:var(--accent);margin:0}.tabs{display:flex;gap:4px;margin:26px 0 22px;padding:4px;border-radius:11px;background:#f3f2ee}.tabs button{flex:1;padding:9px;border:0;background:transparent;color:var(--muted)}button{border:1px solid var(--border);padding:12px 20px;border-radius:9px;background:white;color:var(--ink);font:inherit;cursor:pointer;transition:background .15s,box-shadow .15s}.tabs button[aria-pressed=true]{background:#fff;color:var(--accent);font-weight:600;box-shadow:0 2px 8px #34342b09}.primary{background:var(--accent);color:#fff;border-color:var(--accent);width:100%;font-weight:600}.primary:hover{background:#33332f}button:disabled{opacity:.6;cursor:wait}label{display:block;margin:18px 0;font-weight:600;font-size:14px}input{display:block;width:100%;padding:13px 14px;border:1px solid var(--border);border-radius:9px;font:inherit;background:#fdfcf9;color:var(--ink);margin-top:7px;outline:none}input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #45454112}input::placeholder{color:#a09f97;font-size:13px}:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.note,.footer{font-size:12px}.note{margin:20px 0;line-height:1.8}.footer{text-align:center;margin-top:24px;color:#99929f}.product{display:block;margin:16px 0;padding:17px;border:1px solid var(--border);border-radius:11px;color:var(--accent);text-decoration:none;font-weight:600}.product:hover{background:#f5f4ef}#message{color:#ab4455;min-height:0;font-size:13px;margin-bottom:0}#message:empty{display:none}#description{font-size:14px;margin-bottom:0}[hidden]{display:none!important}@media(max-width:600px){main{margin:32px auto;padding:0 20px}section{padding:28px 24px}h1{font-size:26px}}@media(prefers-reduced-motion:reduce){button{transition:none}}