:root{--ink:#1b302c;--muted:#71817c;--green:#246854;--line:#e0e6e1;--paper:#f5f7f3;--mint:#e9f1e8;--white:#fff;--orange:#a36e28}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;line-height:1.7}button,input{font:inherit}button,a{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,input:focus-visible,summary:focus-visible,a:focus-visible{outline:3px solid #8fc3ac;outline-offset:3px}[hidden]{display:none!important}.topbar{height:84px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(32px,calc((100vw - 1136px)/2));background:#fbfcf9}.brand{display:flex;align-items:center;gap:11px;color:var(--ink);text-decoration:none;font-size:23px;font-weight:700;letter-spacing:1px}.brand-icon{display:grid;place-items:center;background:var(--green);color:white;width:33px;height:33px;border-radius:9px;font-size:24px;font-weight:400}.brand-note{margin-left:11px;padding-left:20px;border-left:1px solid var(--line);font-size:12px;letter-spacing:1px;font-weight:400;color:var(--muted)}.header-right{display:flex;align-items:center;gap:18px}.live-chip{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px}.live-chip i,.status-dot{display:block;width:7px;height:7px;border-radius:50%;background:#b7c1bc}.live-chip.ready i,.status-dot.ready{background:#408e65}.live-chip.ready{color:var(--green)}main{max-width:1200px;padding:52px 32px 0;margin:auto}.heading-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}.eyebrow{font-size:10px;letter-spacing:2.3px;font-weight:600;color:var(--green);margin:0 0 11px}h1{font-size:34px;line-height:1.35;letter-spacing:-1px;font-weight:650;margin:0 0 13px}.lead{color:var(--muted);margin:0;font-size:14px}.primary,.secondary{border:0;border-radius:7px;padding:12px 18px;font-weight:500;display:inline-flex;align-items:center;justify-content:space-between;gap:18px;transition:background .15s}.primary{background:var(--green);color:#fff}.primary:hover:not(:disabled){background:#194e3e}.secondary{background:transparent;border:1px solid var(--line);font-size:12px;color:#53665e;padding:8px 14px}.secondary:hover{background:var(--mint)}.text-button{background:transparent;border:0;color:var(--muted);padding:4px;font-size:12px}.connection-map{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--line);background:#eef3ec;border-radius:12px;padding:30px 38px;margin-bottom:38px;gap:16px}.endpoint{display:flex;align-items:center;gap:14px;flex-shrink:0}.endpoint strong{font-size:14px;font-weight:600;display:block}.endpoint span:not(.device-icon){display:block;font-size:11px;color:var(--muted);margin-top:4px}.device-icon{font-size:28px;color:#647d6e}.endpoint .status-dot{margin-left:8px}.connection-line{flex:1;max-width:150px;align-self:center;text-align:center;color:#8b9a90;font-size:10px;min-width:30px}.connection-line i{display:block;height:1px;background:repeating-linear-gradient(90deg,#b5c7b9 0 5px,transparent 5px 10px);margin-top:12px}.connection-line span{position:relative;top:4px}.relay-node{text-align:center;min-width:110px}.relay-icon{display:grid;place-items:center;width:40px;height:40px;color:var(--green);background:#ddebdc;border-radius:12px;font-size:29px;margin:auto auto 8px}.relay-node strong{display:block;font-size:12px;font-weight:600}.relay-node small{font-size:10px;color:var(--muted)}.setup-heading{display:flex;justify-content:space-between;align-items:center;margin:0 0 17px}.setup-heading h2{font-size:17px;margin:0;font-weight:600}.setup-heading>span{font-size:11px;color:var(--muted)}.setup-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.setup-card{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:28px 30px;display:flex;flex-direction:column}.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.step{color:var(--green);background:var(--mint);font-size:11px;letter-spacing:1px;font-weight:700;padding:5px 9px;border-radius:5px;display:inline-block}.platform{font-size:9px;letter-spacing:1.5px;color:#99a59e}.setup-card h2{font-size:21px;font-weight:600;margin:0 0 9px}.setup-card>p{font-size:12px;color:var(--muted);margin:0;max-width:390px;min-height:43px}.check-list{list-style:none;margin:23px 0 26px;padding:0;color:#6c7d72;font-size:12px;line-height:2.1}.check-list li:before{content:'✓';color:var(--green);margin-right:10px}.download{width:100%;font-size:12px;margin-top:auto}.platform-picker{display:flex;border:1px solid var(--line);border-radius:7px;padding:4px;background:#f9faf7;gap:4px;margin:23px 0 14px}.platform-picker button{width:50%;background:transparent;border:0;color:var(--muted);padding:7px;border-radius:4px;font-size:12px}.platform-picker .selected{background:white;color:var(--green);box-shadow:0 1px 4px #213b1d13}.setup-card .device-hint{min-height:0;margin:0 0 25px;font-size:11px}.hint{font-size:11px;color:var(--muted)}.usage-panel{margin-top:26px;display:grid;grid-template-columns:240px 1fr;gap:42px;padding:30px;border:1px solid var(--line);border-radius:12px;background:#fbfcf8}.usage-intro h2{font-size:18px;font-weight:600;line-height:1.5;margin:17px 0 9px}.usage-intro p{font-size:12px;color:var(--muted);max-width:210px;margin:0}.usage-items article+article{border-top:1px solid var(--line);padding-top:19px;margin-top:19px}.usage-label{display:flex;align-items:center;gap:8px}.usage-label h3{font-size:13px;margin:0;font-weight:600}.small-icon{font-size:19px;color:var(--green);width:24px}.badge{font-size:9px;margin-left:auto;color:var(--muted);background:#edf1eb;padding:2px 8px;border-radius:4px}.badge.ready{color:var(--green);background:#e4f0e4}.usage-items p{font-size:12px;color:#6a7a70;margin:8px 0 0}.usage-items .hint{font-size:10px;color:#89968c}code{font-family:Consolas,"SFMono-Regular",monospace;font-size:.95em;color:#426a55;background:#edf2eb;padding:1px 4px;border-radius:3px;overflow-wrap:anywhere}.details{margin:24px 0 40px;color:var(--muted);font-size:11px}.details summary{display:flex;justify-content:space-between;cursor:pointer;padding:15px 0;border-bottom:1px solid var(--line);list-style:none}.details[open] summary{margin-bottom:15px}.details dl{display:grid;grid-template-columns:1fr 1fr;gap:12px}.details dl div{display:flex;gap:16px}.details dt{color:#97a397;min-width:120px}.details dd{margin:0;color:#526a5d;overflow-wrap:anywhere}.details p{margin:13px 0;max-width:960px}.notice{border:1px solid #dfd6ba;background:#f7f3e6;color:#8b753e;border-radius:8px;font-size:12px;padding:12px 16px;margin:0 0 20px}.error{color:#b04b3d;font-size:12px;white-space:pre-wrap}.error:empty{display:none}.download-result{background:#f5f7f2;border:1px solid var(--line);border-radius:6px;margin-top:15px;padding:14px;font-size:11px}.download-result p{margin:0 0 9px;color:var(--muted)}.command{display:flex;gap:8px;align-items:flex-start}.command code{display:block;white-space:pre-wrap;flex:1;background:transparent;font-size:11px;line-height:1.8;word-break:break-all}.copy{background:white;border:1px solid var(--line);border-radius:4px;color:var(--green);padding:3px 9px;font-size:10px;flex-shrink:0}.download-result .hint{font-size:10px;margin-top:10px}.login-view{max-width:680px;margin:45px auto 100px;text-align:center}.login-view h1{font-size:32px}.login-view .lead{line-height:1.9}.login-art{display:flex;justify-content:center;align-items:center;gap:16px;margin:0 auto 38px}.login-art span{font-size:32px;color:#90a192}.login-art b{background:var(--mint);color:var(--green);border-radius:13px;width:54px;height:54px;font-size:34px;font-weight:400}.login-art i{height:1px;width:70px;background:var(--line)}.login-form{text-align:left;max-width:520px;margin:35px auto 0}.login-form label{display:block;font-size:12px;margin-bottom:8px;color:#52695a}.input-row{display:flex;gap:10px}.input-row input{min-width:0;flex:1;border:1px solid var(--line);background:white;padding:12px 14px;border-radius:7px;font-size:13px}.input-row .primary{font-size:12px;white-space:nowrap}.login-form .hint{font-size:10px}footer{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:22px 0 27px;font-size:10px;color:#97a398}.footer-dot{margin:0 9px}.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:#203b2f;color:white;border-radius:8px;padding:10px 20px;font-size:12px;box-shadow:0 8px 30px #1a35242a;max-width:90vw}body:has(.login-view:not([hidden])) footer{margin-top:60px}@media(max-width:850px){.brand-note{display:none}.connection-map{padding:24px 18px;gap:9px}.endpoint{gap:8px}.device-icon{display:none}.connection-line{min-width:15px}.endpoint .status-dot{margin-left:0}.usage-panel{grid-template-columns:180px 1fr;gap:24px}.setup-heading>span{display:none}.setup-card{padding:24px}.details dl{grid-template-columns:1fr}}@media(max-width:600px){.topbar{height:68px;padding:0 20px}main{padding:30px 20px 0}.brand{font-size:21px}h1{font-size:27px}.eyebrow{font-size:8px}.heading-row{align-items:flex-start}.heading-row>.secondary{font-size:10px;padding:6px 9px;margin-top:7px}.lead{font-size:12px}.connection-map{padding:20px 12px;margin-bottom:28px}.endpoint strong{font-size:11px}.endpoint span:not(.device-icon){font-size:9px}.endpoint{gap:5px}.relay-node{min-width:70px}.relay-node strong{font-size:11px}.relay-node small{font-size:8px}.connection-line span{font-size:8px}.connection-line{max-width:30px}.relay-icon{width:32px;height:32px;font-size:24px}.setup-grid{grid-template-columns:1fr;gap:16px}.setup-card{padding:24px}.usage-panel{display:block;padding:24px;margin-top:16px}.usage-intro{margin-bottom:24px}.usage-intro h2{display:inline;font-size:17px;margin-left:12px}.usage-intro p{max-width:none;margin-top:12px}.details dl div{display:block}.details dt{margin-bottom:3px}.login-view{margin:30px auto 65px}.login-view h1{font-size:26px}.input-row{flex-direction:column}.input-row .primary{justify-content:center}.header-right{gap:9px}.live-chip{font-size:10px}footer{gap:18px;font-size:9px}footer span:last-child{text-align:right}}

.download-again{color:var(--green);font-size:11px;text-underline-offset:3px}