:root{--paper:#f5f7fb;--ink:#202d45;--muted:#6c788e;--line:#dce3ee;--blue:#345fd1;--tint:#e8eefc;--white:#fff;--pink:#fce6ee}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.6 'Segoe UI',Arial,sans-serif}header{height:90px;padding:0 5vw;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:white}.logo{font-size:24px;font-weight:700;letter-spacing:-1px;display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--ink)}.mark{background:var(--blue);color:white;border-radius:12px;font-size:32px;width:42px;height:42px;line-height:36px;text-align:center}.label{font:10px/1.3 Consolas,monospace;letter-spacing:1.4px;margin:5px 0 0 10px;color:var(--muted)}.badge{font-size:12px;border:1px solid var(--line);padding:5px 12px;border-radius:30px;background:white}main{max-width:1340px;margin:auto;padding:50px 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solid var(--line);border-radius:18px;padding:28px;color:var(--ink);max-height:90vh}dialog::backdrop{background:#18253c80;backdrop-filter:blur(4px)}footer{max-width:1340px;margin:auto;padding:25px 5vw;border-top:1px solid var(--line);font-size:12px;color:var(--muted);display:flex;justify-content:space-between}#notice{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;box-shadow:0 10px 35px #202d4533;padding:14px 22px;border-radius:10px;max-width:90vw;z-index:10}.log-row{display:flex;justify-content:space-between;gap:15px;padding:16px;border-bottom:1px solid var(--line);background:white;overflow-wrap:anywhere}.log-row span{font-size:12px}.good{color:#238161}@media(max-width:900px){.connect-grid{grid-template-columns:1fr}.workspace{grid-template-columns:1fr 1fr;gap:20px}.intro{gap:20px}.mode{width:220px}}@media(max-width:650px){header{height:74px;padding:0 20px}.logo{font-size:20px}.label{display:none}.badge{font-size:10px}main{padding:30px 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