:root{color-scheme:light dark;--bg:#edf4ff;--panel:#ffffff;--ink:#172c4d;--muted:#5e718e;--line:#dce6f4;--blue:#2475e8;--soft:#f2f7ff;font-family:system-ui,"Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 15% 0%,#d8e8ff,transparent 58%),var(--bg);min-height:100vh;color:var(--ink)}.shell{width:min(100% - 32px,680px);margin:0 auto;padding:40px 0 28px}header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-size:19px;font-weight:750;text-decoration:none}.brand small{display:block;font-size:9px;letter-spacing:.18em;color:var(--muted);margin-top:2px}select{font:inherit;font-size:13px;padding:8px 10px;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--ink)}.card{border:1px solid var(--line);border-radius:26px;background:var(--panel);padding:36px;box-shadow:0 18px 60px #193b7010}.eyebrow{font-size:12px;font-weight:650;letter-spacing:.08em;color:var(--blue);margin-bottom:12px}h1{font-size:clamp(24px,5vw,32px);letter-spacing:-.03em;line-height:1.35;margin:0 0 14px;overflow-wrap:anywhere}.lead{color:var(--muted);line-height:1.8;margin:0 0 20px;font-size:15px}.qr{max-width:320px;width:100%;margin:24px auto;padding:16px;background:#fff;border:1px solid #e2e9f2;border-radius:18px}.qr img,.qr svg{width:100%;height:auto;display:block}.code{display:flex;justify-content:center;align-items:center;gap:14px;padding:12px;background:var(--soft);border-radius:12px}.code code{font-size:20px;letter-spacing:.15em}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}.actions:empty{display:none}button,.entry-link{font:inherit;border:1px solid transparent;border-radius:12px;background:var(--blue);color:#fff;padding:12px 18px;cursor:pointer;min-height:44px;text-decoration:none;font-weight:600}.actions button{flex:1}button:disabled{opacity:.55;cursor:wait}.secondary{background:var(--soft);color:var(--blue);border-color:var(--line)}button:hover,.entry-link:hover{filter:brightness(.95)}a:focus-visible,button:focus-visible,select:focus-visible{outline:3px solid #82b3fb;outline-offset:4px}.hint{line-height:1.7;color:var(--muted);font-size:13px;white-space:pre-line;overflow-wrap:anywhere;margin:18px 0 0}.divider{height:1px;background:var(--line);margin:26px 0 20px}.footlinks{display:flex;align-items:center;flex-wrap:wrap;gap:12px 20px;justify-content:center;font-size:13px}.footlinks a{color:var(--muted);text-decoration:none}.footlinks a:hover{text-decoration:underline}.text-button{border:0;background:none;color:var(--blue);padding:0;min-height:24px;font-size:13px}footer{font-size:12px;line-height:1.8;color:var(--muted);text-align:center;margin:22px 16px}.entry-list{display:grid;gap:12px}.entry-link{display:flex;justify-content:space-between;gap:12px;overflow-wrap:anywhere}.entry-link span{font-size:12px;opacity:.8}.contact{font-size:13px;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere;padding:16px;background:var(--soft);border-radius:12px}.error{color:#b64c25}[hidden]{display:none!important}@media(max-width:480px){.shell{padding-top:22px}.card{padding:26px 22px;border-radius:20px}.actions{flex-direction:column}.footlinks{gap:14px}.brand{font-size:17px}select{max-width:112px}}@media(prefers-color-scheme:dark){:root{--bg:#0d1728;--panel:#142239;--ink:#e4edff;--muted:#9dafc8;--line:#2a3d59;--soft:#1a2d49;--blue:#83b5ff}body{background:radial-gradient(ellipse at 15% 0%,#16355c,transparent 58%),var(--bg)}.actions button:not(.secondary),.entry-link{background:#2b75dc;color:white}.card{box-shadow:0 18px 60px #0002}}