*{box-sizing:border-box}html{font-family:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-synthesis:none}body{margin:0;line-height:1.65;color:#16314b;background:#f4f8fc}h1,h2,p{margin:0}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.55;cursor:not-allowed}[hidden]{display:none!important}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #69a9df;outline-offset:4px}input:focus{outline:2px solid #b9d9f3;border-color:#216fb5}button{border:0} .hub{max-width:1180px;margin:auto;padding:48px 30px 26px}.hub-header{display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:13px;min-width:0}.brand strong{display:block;font-size:23px;line-height:1.3;letter-spacing:.08em}.brand small{display:block;font-size:12px;color:#60758a;margin-top:6px}.intro{padding:58px 0 38px}.eyebrow{font-size:10px;font-weight:650;letter-spacing:.18em;color:#216fb5!important;margin-bottom:14px}.intro h1{font-size:38px;font-weight:650;line-height:1.4;letter-spacing:-.03em}.intro-copy{max-width:800px;font-size:15px;margin-top:13px;color:#60758a}.welcome-action{display:flex;align-items:center;gap:18px;margin-top:25px}.welcome-action>span{font-size:12px;color:#60758a}.primary-button,.secondary-button{display:inline-flex;align-items:center;justify-content:center;gap:22px;min-height:44px;padding:10px 19px;border-radius:8px;font-size:14px;font-weight:600}.primary-button{background:#216fb5;color:#fff}.primary-button:hover:not(:disabled){background:#17578e}.secondary-button{border:1px solid #c6d9e9;background:#f5f9fd;color:#216fb5}.secondary-button:hover:not(:disabled){background:#eaf3fb}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:17px}.section-heading h2{font-size:15px;font-weight:600}.section-heading>span{font-size:12px;color:#6a7e91}.apps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.app{display:block;min-width:0;background:#fff;border:1px solid #dce7f0;border-radius:13px;padding:23px;transition:border-color .15s,transform .15s,box-shadow .15s}.app:hover{border-color:#216fb5;transform:translateY(-2px);box-shadow:0 8px 20px #16314b08}.app-top{display:flex;align-items:center;justify-content:space-between}.app-number{font-size:10px;letter-spacing:.08em;color:#216fb5;font-weight:650}.app-arrow{color:#86a5bf;font-size:18px}.app h2{font-size:23px;font-weight:650;margin:11px 0 3px}.app-position{font-size:12px;color:#60758a;line-height:1.8}.app-flow{display:grid;grid-template-columns:minmax(0,1fr) 10px minmax(0,1fr) 10px minmax(0,1fr);gap:4px;align-items:center;margin:21px 0 16px}.app-flow span{text-align:center;background:#eaf3fc;color:#245e90;border:1px solid #e0edf8;border-radius:6px;padding:10px 2px;font-size:11px;white-space:nowrap}.app-flow span:nth-of-type(2){background:#eaf6f4;border-color:#def0eb;color:#347a70}.app-flow span:nth-of-type(3){background:#f5f1e8;border-color:#eee6d6;color:#887144}.app-flow i{font-size:11px;font-style:normal;text-align:center;color:#93a6b7}.app-output{border-top:1px solid #edf2f7;padding-top:14px;font-size:12px;line-height:1.85;color:#60758a;min-height:59px}.foot{display:flex;justify-content:center;flex-wrap:wrap;gap:8px 18px;font-size:11px;color:#73879a;margin-top:32px}.foot a:hover{text-decoration:underline}.account-actions{display:flex;align-items:center;gap:17px}.account-link{display:flex;align-items:center;gap:8px;font-size:12px;color:#4c6982}.account-avatar{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:#deebf7;color:#216fb5}.text-button{background:none;font-size:12px;color:#71869a;padding:6px 0}.login-page{min-height:100vh;display:grid;place-items:center;padding:36px 20px}.login-shell{width:100%;max-width:460px}.back-link{display:inline-block;font-size:13px;color:#60758a;margin-bottom:20px}.login-card{background:#fff;border:1px solid #dce7f0;border-radius:18px;padding:32px;box-shadow:0 12px 45px #1b4c7008}.login-card .brand{margin-bottom:29px}.login-card .brand strong{font-size:21px}.login-card h1{font-size:25px;line-height:1.4;font-weight:650;letter-spacing:-.04em}.login-subtitle{font-size:12px;color:#60758a;margin-top:9px}.demo-notice{font-size:11px;line-height:1.85;color:#85652d;background:#fff8eb;border:1px solid #f1e3c6;border-radius:8px;padding:10px 12px;margin-top:21px}.demo-notice strong{display:block;font-size:12px}.auth-status{font-size:12px;color:#60758a;margin-top:20px}.auth-tabs{display:flex;border-bottom:1px solid #dce7f0;margin:23px 0 20px}.auth-tabs button{flex:1;background:none;color:#6a7e91;padding:10px 4px;border-bottom:2px solid transparent;font-size:14px}.auth-tabs button[aria-selected=true]{color:#216fb5;border-bottom-color:#216fb5;font-weight:600}label{display:block;font-size:12px;color:#46627c;margin:15px 0 6px}input{width:100%;min-width:0;border:1px solid #d1deea;border-radius:8px;padding:11px 12px;font-size:14px;color:#16314b;background:#fff}input::placeholder{color:#91a1b0}.code-row{display:flex;gap:9px}.code-row input{flex:1}.code-row button{flex:none;padding:10px 12px;font-size:12px;min-width:110px}.field-note{font-size:11px;color:#71869a;margin-top:9px;line-height:1.8}.full-width{width:100%;margin-top:19px}.auth-error{border:1px solid #f0c9c9;background:#fff4f3;color:#b34141;border-radius:8px;padding:10px 12px;font-size:12px;margin-top:14px;overflow-wrap:anywhere}details{border-top:1px solid #e7eef5;margin-top:23px;padding-top:17px}summary{font-size:12px;color:#71869a;cursor:pointer}.qr-wrap{text-align:center;min-height:235px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:13px}.qr-wrap img{display:block;border:1px solid #e3ebf2;border-radius:8px;background:#fff;padding:7px;object-fit:contain}.qr-wrap p{font-size:12px;color:#60758a}.demo-confirm{display:block;text-align:center;font-size:12px;color:#85652d;margin-top:15px;text-decoration:underline}.login-page .foot{margin-top:24px}@media(min-width:751px) and (max-width:1000px){.apps{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:750px){.hub{padding:26px 20px}.hub-header{align-items:flex-start;gap:12px}.brand{gap:10px}.brand strong{font-size:20px}.brand small{font-size:10px}.brand-flower{width:46px;height:48px;background-position:-82px -55px}.intro{padding:40px 0 30px}.intro h1{font-size:29px;max-width:370px}.intro-copy{font-size:13px;line-height:1.95}.welcome-action{align-items:flex-start;flex-direction:column;gap:10px;margin-top:22px}.welcome-action>span{font-size:11px}.section-heading{align-items:flex-start;flex-direction:column;gap:3px}.section-heading h2{font-size:14px}.section-heading>span{font-size:11px}.apps{grid-template-columns:1fr;gap:14px}.app{padding:22px}.app-flow{gap:6px}.app-flow span{font-size:12px}.app-output{min-height:0}.account-actions{gap:10px}.account-link #account-name{display:none}.account-avatar{width:27px;height:27px}.text-button{font-size:11px}.login-page{padding:24px 18px}.login-card{padding:26px 22px}.login-card h1{font-size:23px}.foot{font-size:10px}.login-page .brand small{font-size:12px}}