:root{--green: #2db34a;--green-dark: #259a3f;--gray: #808080;--ink: #1c2128;--muted: #6b7280;--line: #e5e7eb;--bg: #f7f8fa;--card: #ffffff;--red: #d23c3c;--red-bg: #fdecec}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.5}header{display:flex;align-items:center;gap:14px;padding:16px 24px;background:var(--card);border-bottom:1px solid var(--line)}.logo{font-weight:700;font-size:18px}.logo span{color:var(--green)}.subtitle{color:var(--muted);font-size:13px}.mode-badge{margin-left:auto;font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;color:#fff;background:var(--green)}.mode-badge.demo{background:var(--gray)}main{max-width:720px;margin:0 auto;padding:24px 20px 48px}.notice{background:#fff7e6;border:1px solid #ffd591;color:#8a5a00;border-radius:10px;padding:14px 16px;margin-bottom:20px;font-size:14px}.step{position:relative;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin-bottom:18px;transition:opacity .2s}.step.locked{opacity:.45;pointer-events:none}.step-head{display:flex;align-items:center;gap:12px;margin-bottom:8px}.step-num{width:28px;height:28px;border-radius:50%;background:var(--gray);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px;flex:0 0 auto}.step.active .step-num,.step.done .step-num{background:var(--green)}.step h2{font-size:16px;margin:0}.step p{color:var(--muted);font-size:14px;margin:6px 0}.hint-list{color:var(--muted);font-size:14px;padding-left:20px;margin:8px 0}.hint-list b{color:var(--ink)}button.primary{background:var(--green);color:#fff;border:none;border-radius:9px;padding:11px 20px;font-size:15px;font-weight:600;cursor:pointer;font-family:inherit}button.primary:hover{background:var(--green-dark)}button.primary:disabled{background:#c7cdd4;cursor:not-allowed}.status{margin-top:12px;font-size:14px;font-weight:500}.status.ok{color:var(--green-dark)}.status.err{color:var(--red)}.status.err small{display:block;color:var(--muted);font-weight:400;margin-top:4px}input[type=file]{font-family:inherit;font-size:14px}.summary{margin-top:10px;font-size:14px;color:var(--ink)}.summary.bad{color:var(--red)}.confirm-row{display:flex;gap:10px;align-items:flex-start;margin-top:14px;font-size:14px}.confirm-row input{margin-top:3px}.progress-wrap{margin-top:16px;display:none}.progress-wrap.show{display:block}.bar{height:12px;background:var(--line);border-radius:999px;overflow:hidden}.bar>div{height:100%;width:0%;background:var(--green);transition:width .15s}.progress-label{font-size:13px;color:var(--muted);margin-top:6px}.success{display:none;margin-top:16px;border:1px solid var(--green);border-radius:12px;padding:16px 18px;background:#f0faf2}.success.show{display:block}.success h3{margin:0 0 8px;color:var(--green-dark)}.reset-warn{background:var(--red-bg);border:1px solid #f3b1b1;color:#8a1f1f;border-radius:10px;padding:12px 14px;font-size:14px;margin:10px 0 14px}.reset-warn b{color:var(--red)}a.btn-link{display:inline-block;background:var(--green);color:#fff;text-decoration:none;border-radius:9px;padding:10px 18px;font-weight:600;font-size:14px}a.btn-link:hover{background:var(--green-dark)}footer{max-width:1180px;margin:0 auto;padding:0 20px 40px;color:var(--muted);font-size:12px}.layout{max-width:1180px;margin:0 auto;padding:24px 20px 32px;display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:24px;align-items:start}.layout>main{max-width:none;margin:0;padding:0}.log-panel{position:sticky;top:24px;background:#0f1419;border:1px solid #1f2730;border-radius:14px;overflow:hidden;display:flex;flex-direction:column;max-height:calc(100vh - 48px)}.log-head{display:flex;align-items:center;gap:8px;padding:10px 12px;background:#161c23;border-bottom:1px solid #1f2730}.log-head .log-title{color:#e6edf3;font-size:13px;font-weight:600;margin-right:auto}.log-head .dot{width:8px;height:8px;border-radius:50%;background:var(--gray);flex:0 0 auto}.log-head .dot.live{background:var(--green)}.log-btn{background:#21282f;color:#c9d4df;border:1px solid #2d353d;border-radius:6px;padding:4px 9px;font-size:12px;font-family:inherit;cursor:pointer}.log-btn:hover{background:#2a323a}.log-btn:active{background:#323b44}.log-body{flex:1 1 auto;overflow-y:auto;padding:8px 12px;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:11.5px;line-height:1.55;color:#9da7b1;white-space:pre-wrap;word-break:break-all}.log-body .l-row{display:flex;gap:8px}.log-body .l-ts{color:#5c6773;flex:0 0 auto}.log-body .l-msg{flex:1 1 auto}.log-body .l-tx .l-msg{color:#6cb6ff}.log-body .l-rx .l-msg{color:#7ee787}.log-body .l-warn .l-msg{color:#e3b341}.log-body .l-error .l-msg{color:#ff7b72}.log-body .l-info .l-msg{color:#9da7b1}.log-empty{color:#5c6773;font-style:italic}@media(max-width:980px){.layout{grid-template-columns:1fr}.log-panel{position:static;max-height:320px}}