:root{--navy: #021442;--navy-2: #13286b;--cyan: #1aa7f2;--green: #7bd63c;--ink: #1c2433;--muted: #5d6879;--bg: #f3f6fb;--card: #fff;--line: #dfe5ee;--ok: #1e7f4f;--ok-bg: #e9f7ef;--warn: #9a5b00;--warn-bg: #fff6e5;--bad: #b42318;--bad-bg: #fdecea;--radius: 14px}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,PingFang TC,Noto Sans TC,Microsoft JhengHei,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}.app{min-height:100vh;display:flex;flex-direction:column}.top{background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 20px;flex-wrap:wrap}.brand img{height:44px;display:block}.top nav{display:flex;gap:4px}.top nav a{color:#cfd8ee;text-decoration:none;padding:8px 14px;border-radius:999px;font-weight:600}.top nav a.on{color:var(--navy);background:linear-gradient(90deg,var(--cyan),var(--green))}main{width:100%;max-width:920px;margin:0 auto;padding:20px 16px 48px;flex:1}footer{text-align:center;color:var(--muted);font-size:.85rem;padding:16px}h1{font-size:1.6rem;margin:8px 0}h2{font-size:1.2rem;margin:0 0 12px}h3{font-size:1rem;margin:12px 0 4px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}.stack{display:grid;gap:16px}.stack-sm{display:grid;gap:10px}.narrow{max-width:480px;margin:0 auto}.auth{display:grid;grid-template-columns:1.1fr 1fr;gap:16px;align-items:start}.hero{background:linear-gradient(160deg,var(--navy),var(--navy-2));color:#fff;border:0}.hero p{color:#dbe3f5}.hero-icon{width:72px;height:72px;border-radius:16px}.ticks{padding-left:1.2em;margin:8px 0}.ticks li{margin:4px 0}label{display:grid;gap:4px;font-weight:600;margin:10px 0}input,select,textarea{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;width:100%}textarea{min-height:72px;resize:vertical}input:focus,select:focus,textarea:focus{outline:2px solid var(--cyan);outline-offset:1px}button,.btn{font:inherit;font-weight:600;padding:9px 16px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;text-decoration:none;display:inline-block}button:disabled{opacity:.5;cursor:not-allowed}.primary{background:linear-gradient(90deg,var(--navy),var(--cyan));color:#fff;border:0}.danger{background:var(--bad);color:#fff;border:0}.link{border:0;background:none;color:var(--cyan);padding:4px 0}.form .primary{width:100%;margin-top:8px;padding:12px}.seg{display:flex;gap:6px;background:var(--bg);padding:4px;border-radius:12px}.seg button{flex:1;border:0;background:transparent}.seg button.on{background:#fff;box-shadow:0 1px 3px #0000001a}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:8px 0}.row.between{justify-content:space-between}.row.end{justify-content:flex-end}.row.align-top{align-items:flex-start;flex-wrap:nowrap}.inline-form{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.inline-form input{flex:1;min-width:180px}.inline-form select{width:auto}.muted{color:var(--muted)}.hint{color:var(--muted);font-size:.9rem;margin:4px 0}.err{color:var(--bad)}.ok-text{color:var(--ok)}.warn-text{color:var(--warn);margin:2px 0;font-size:.92rem}.ok-box,.warn-box,.bad-box{border-radius:10px;padding:12px 14px;margin:8px 0}.ok-box{background:var(--ok-bg);color:var(--ok)}.warn-box{background:var(--warn-bg);color:var(--warn)}.bad-box{background:var(--bad-bg);color:var(--bad)}.badge{display:inline-block;font-size:.8rem;padding:2px 10px;border-radius:999px;background:var(--bg);color:var(--muted);border:1px solid var(--line)}.badge.ok{background:var(--ok-bg);color:var(--ok);border-color:transparent}.badge.bad{background:var(--bad-bg);color:var(--bad);border-color:transparent}.list{list-style:none;padding:0;margin:0}.item{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.item:last-child{border-bottom:0}.item p{margin:2px 0}.grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}.device{border:1px solid var(--line);border-radius:12px;padding:14px;cursor:pointer}.device:hover{border-color:var(--cyan)}.device-title{font-weight:700;font-size:1.05rem}.empty{text-align:center;padding:12px}.kv{display:grid;grid-template-columns:9em 1fr;gap:6px 12px;margin:12px 0}.kv dt{color:var(--muted)}.kv dd{margin:0;word-break:break-word}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:.04em}.big{font-size:1.6rem;font-weight:700}.center{text-align:center}.code{font-family:ui-monospace,Menlo,monospace;font-size:1.3rem;letter-spacing:.2em;text-align:center;max-width:220px}.qr{width:180px;height:180px;border:1px solid var(--line);border-radius:10px;flex:none}.timeline{color:var(--muted);font-size:.9rem;padding-left:1.2em}details summary{cursor:pointer;color:var(--cyan);font-weight:600;margin-top:8px}.modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#0b1a4a73;display:flex;align-items:center;justify-content:center;padding:16px;z-index:10}.sheet{width:100%;max-width:520px;max-height:90vh;overflow:auto}@media (max-width: 720px){.auth{grid-template-columns:1fr}.brand img{height:36px}.top{padding:10px 12px}.top nav a{padding:6px 10px}.kv{grid-template-columns:7.5em 1fr}.row.align-top{flex-wrap:wrap}}.guide h2{margin-bottom:8px}.guide-body{display:flex;gap:16px;align-items:flex-start;flex-wrap:wrap}.steps{padding-left:1.4em;margin:8px 0;flex:1;min-width:200px}.steps li{margin:6px 0}.mock-phone{width:190px;flex:none;background:#1d2433;border-radius:22px;padding:26px 12px}.mock-dialog{background:#f2f2f6;border-radius:12px;padding:12px;text-align:center;font-size:.82rem;color:#111}.mock-dialog p{margin:6px 0;color:#444}.mock-check{text-align:left}.mock-buttons{display:flex;border-top:1px solid #ccc;margin-top:8px}.mock-buttons span{flex:1;padding:8px 0 2px;color:#1a73e8}.mock-buttons span.on{font-weight:700;background:linear-gradient(90deg,var(--cyan),var(--green));color:#fff;border-radius:8px}.seg.wrap{flex-wrap:wrap}.seg.wrap button{flex:0 0 auto}.small{font-size:.9rem}.inline-select{width:auto;margin-left:8px;padding:4px 8px;font-size:.9rem}