:root{--ink:#242c30;--muted:#81878a;--orange:#ec704c;--line:#e7e9e5;--bg:#f5f6f2;--green:#2c8769;--sidebar:#202a2b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;font-size:14px}button,input,select{font:inherit}button,a,input,select{outline-offset:4px}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}a{color:inherit;text-decoration:none}[hidden]{display:none!important}.shell{display:flex;min-height:100vh}.sidebar{width:242px;background:var(--sidebar);color:#aeb9b6;position:fixed;inset:0 auto 0 0;padding:34px 23px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;color:#fff;font-size:15px;font-weight:700;letter-spacing:1px}.brand 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/* v2: platform-centric workspace, visual protocol flow and complete API cards. */
:root{--orange:#6664e9;--bg:#f4f6fb;--sidebar:#1c2237;--line:#e6e9f2;--ink:#252b45;--muted:#8790a4}.sidebar{background:#1c2237}nav button.active{background:#333a57}nav button:hover{background:#2b334e}.brand-mark{background:#7773ef}.brand-mark span{color:#d8d5ff}.topbar{background:#fff}.avatar{background:#eceafd;color:#7772c9}.primary:hover{background:#5653d2}.hero{background:linear-gradient(110deg,#e9eaff,#f0f3fc 65%,#e1f4f2);border-color:#e0e4f4;padding:30px 32px}.hero h2{color:#42486b;font-size:23px;margin-top:12px}.hero p{color:#7b83a0;max-width:680px}.hero-symbol{color:#999be0}.metric{border-radius:14px;box-shadow:0 4px 14px #28355703}.metric-label span{background:#f2f2fc;color:#8788ce;border-radius:8px;padding:5px 9px}.metric strong{font-weight:600;color:#333b63}.panel{border-radius:14px}.mini-label,.eyebrow{color:#9198b3}.text-btn{color:#7874c8}.notice{background:#eef1fb;border-color:#e1e6f4;color:#777f9b}.flow-strip{background:#fff;border:1px solid var(--line);border-radius:14px;padding:25px 28px;margin-bottom:25px}.flow-title h3{margin:8px 0 23px}.flow-nodes{display:flex;justify-content:space-between;align-items:center;gap:15px}.flow-nodes>div{flex:1;border:1px solid #eef0f7;background:#fafbfe;border-radius:12px;padding:18px;position:relative}.flow-nodes>b{font-weight:400;color:#c2c6db;font-size:22px}.flow-icon{display:grid;width:32px;height:32px;place-items:center;font-size:10px;font-weight:700;border-radius:9px;margin-bottom:12px}.purple{color:#8072cc;background:#eeeafd}.coral{color:#d3876e;background:#fff0e9}.mint{color:#58a491;background:#e5f5ee}.flow-nodes strong{display:block;font-size:13px;margin-bottom:6px}.flow-nodes small{display:block;font-size:11px;color:#949cb0}.flow-nodes em{position:absolute;right:12px;top:24px;font-size:9px;font-style:normal;color:#a1a9bd}.step-num{background:#edf0fb;color:#8b92bd}.step p{color:#939aaf}.login-story{background:#252c48}.login-story h1{color:#eef0ff}.login-story p{color:#a2aac7}.orbit-pet{color:#ada8ff}.orbit{border-color:#62658e}.orbit:before{border-color:#4d5685}.orbit-tag{background:#343e64;border-color:#68709f}.api-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:23px;margin-bottom:28px}.api-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;min-width:0;box-shadow:0 4px 15px #36476c03}.api-card-top{display:flex;gap:14px;align-items:center;padding:23px 24px 18px}.api-card-top p{font-size:12px;color:#939bb0;margin:7px 0 0}.api-card-top>.pill{margin-left:auto}.api-icon{display:grid;place-items:center;background:#eeedff;color:#8a81dc;width:42px;height:42px;border-radius:12px;font-size:25px;flex-shrink:0}.api-body{padding:0 24px 24px}.endpoint-url{display:flex;align-items:flex-start;gap:9px;padding:13px 14px;border:1px solid #e6eaf4;background:#f7f9fd;border-radius:8px;line-height:1.7}.endpoint-url code{font-family:Consolas,monospace;overflow-wrap:anywhere;font-size:12px;color:#57627d}.endpoint-url .method{width:auto;flex-shrink:0;padding-top:2px}.endpoint-url button{margin-left:auto}.api-body h4{font-size:11px;font-weight:500;color:#8a92a8;margin:20px 0 10px}.param-table{white-space:normal}.param-table th,.param-table td{padding:10px 9px;font-size:11px}.param-table td:first-child{font-family:Consolas,monospace;color:#667092;width:110px}.param-table td:last-child{line-height:1.7;color:#939bb0}.api-body details{border-top:1px solid #edf0f7;margin-top:17px;padding-top:13px}.api-body summary{cursor:pointer;color:#777ba6;font-size:11px}.api-body pre{font-size:11px;background:#232c46;color:#cbd1e7;line-height:1.85;padding:16px}.api-example-label{display:flex;justify-content:space-between;align-items:center}.api-example-label h4{margin:17px 0 6px}.api-body .hint{color:#959eb5}.page-head .muted{max-width:680px}.green{background:#e6f5ef;color:#4d9d85}.sidebar .environment{border-color:#38415f}.environment small{color:#8491ae}.nav-label{color:#7884a4}label{color:#67718c}input,select{border-color:#dfe4f1;background:#fbfcff;color:#424d6a}input:focus,select:focus{outline-color:#daddfa;border-color:#aaa8e7}.secondary{color:#777c9d;border-color:#e2e6f0}.secondary:hover{background:#f4f5fc}.panel-head h3{color:#4b5473}th{background:#fafbfe;color:#939bb0}td{color:#737d97}td strong{color:#515c7a}.doc-list{color:#8a94ab}.empty strong{color:#6c7792}.empty{color:#a1a9ba}.empty-icon{color:#c2c6df}.flow-summary{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}.flow-summary .pill{padding:8px 12px}.secret-box{background:#f5f6ff;border-color:#bfc4e9;color:#696fa8}
@media(max-width:1150px){.flow-nodes{gap:8px}.flow-nodes>div{padding:14px}.flow-nodes em{position:static;display:block;margin-top:9px}.api-card-top,.api-body{padding-left:18px;padding-right:18px}}@media(max-width:850px){.api-cards{grid-template-columns:1fr}.flow-nodes{display:grid;grid-template-columns:1fr 1fr;gap:12px}.flow-nodes>b{display:none}.flow-strip{padding:22px}.hero h2{font-size:20px}.flow-nodes em{position:absolute;top:22px;right:10px;margin:0;font-size:8px}}

textarea{font:inherit;display:block;width:100%;border:1px solid #dfe4f1;border-radius:8px;background:#fbfcff;color:#424d6a;margin-top:8px;padding:12px;resize:vertical}