:root{--blue:#2468e8;--blue-dark:#185bd3;--ink:#19304d;--muted:#687c96;--line:#dce6f1;--soft:#f6f9ff;--font:"Microsoft YaHei","Segoe UI",sans-serif}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{min-width:0;background:var(--soft);color:var(--ink);font:16px/1.55 var(--font);overflow-x:hidden}.hide{display:none!important}.scene{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;background:radial-gradient(ellipse at 22% 52%,#e4efff 0,transparent 53%)}.top{height:110px;padding:0 5.3%;display:flex;align-items:center;gap:13px}.brand-mark{color:var(--blue);line-height:0}.brand-mark svg,.brand-mark img{width:42px;height:42px;display:block}.brand-name strong{display:block;font-size:21px;letter-spacing:1px;font-weight:600}.brand-name span{display:block;color:#7b8ca5;font-size:10px;letter-spacing:2.3px}.top-note{margin-left:auto;color:#6a7c96;font-size:14px}.top-note:before{content:"";display:inline-block;width:6px;height:6px;margin:0 10px 2px 0;border-radius:50%;background:#7593bd}.stage{width:min(1230px,89.4%);margin:auto;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(390px,.85fr);align-items:center;gap:75px;padding:20px 0 35px}.pitch{min-width:0}.kicker{margin:0 0 20px;color:#5682c4;font-size:12px;font-weight:600;letter-spacing:3px}.pitch h1{margin:0 0 18px;font-size:clamp(36px,3.2vw,48px);font-weight:600;line-height:1.45;letter-spacing:1px}.pitch h1 b{color:var(--blue);font-weight:600}.sub{margin:0;color:#6a7e99;font-size:16px;line-height:1.9}.asset-illustration{display:block;width:100%;max-width:580px;margin:23px 0 7px}.features{display:flex;gap:28px;padding-left:12px;color:#617695;font-size:14px}.features span:before{content:"";display:inline-block;width:7px;height:7px;margin:0 7px 2px 0;border:2px solid #5382c6;border-radius:50%}.card{position:relative;padding:42px 42px 28px;border:1px solid #fff;border-radius:18px;background:#fff;box-shadow:0 22px 70px rgba(66,111,165,.07),0 3px 10px rgba(66,111,165,.03)}.card:before{content:"";position:absolute;top:0;left:42px;width:48px;height:3px;border-radius:0 0 3px 3px;background:var(--blue)}.welcome{margin:0 0 12px;color:#8c9cb0;font-size:12px;letter-spacing:2px}.card h2{margin:0 0 7px;font-size:30px;font-weight:600}.hint{margin:0 0 28px;color:#7a8a9f;font-size:16px}.tabs{display:flex;gap:28px;border-bottom:1px solid #e7edf6;margin-bottom:13px}.tabs button{padding:0 0 12px;border:0;border-bottom:2px solid transparent;background:none;color:#72839a;font:16px var(--font);cursor:pointer}.tabs button.on{border-color:var(--blue);color:var(--blue);font-weight:600}.err{min-height:24px;margin:0 0 7px;color:#bd3d45;font-size:14px;line-height:24px}.err.ok{color:#387c58}.forms form{display:grid;gap:18px}.form-field{position:relative}.form-field label{display:block;margin-bottom:8px;color:#364b66;font-size:16px}.form-field input{display:block;width:100%;height:54px;padding:0 15px;border:1px solid var(--line);border-radius:7px;background:#fcfdff;color:#203652;font:16px var(--font);transition:border-color .15s,box-shadow .15s}.form-field input::placeholder{color:#a3afbf}.form-field input:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px rgba(36,104,232,.09)}.password-field input{padding-right:64px}.toggle-password{position:absolute;right:5px;bottom:5px;height:44px;padding:0 11px;border:0;background:transparent;color:#5477a4;font:14px var(--font);cursor:pointer}.toggle-password:hover{color:var(--blue)}.code{display:grid;grid-template-columns:minmax(0,1fr) 136px;gap:10px}.code .form-field label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.code img,.send{width:136px;height:54px;border:1px solid var(--line);border-radius:7px;background:#fff;object-fit:contain}.code img{cursor:pointer}.send{color:#3e6090;font:14px var(--font);cursor:pointer}.send:disabled,.submit:disabled{opacity:.65;cursor:default}.form-options{display:flex;align-items:center;min-height:18px;margin-top:-2px}.remember{display:flex;align-items:center;gap:7px;color:#60718a;font-size:14px;cursor:pointer}.remember input{width:16px;height:16px;margin:0;accent-color:var(--blue)}.submit{width:100%;height:54px;border:0;border-radius:7px;background:var(--blue);box-shadow:0 7px 16px rgba(36,104,232,.13);color:#fff;font:600 16px var(--font);letter-spacing:3px;cursor:pointer}.submit:hover{background:var(--blue-dark)}.links{margin-top:-8px;text-align:right;font-size:14px}.links a,.back,.reg a{color:#3569b2;text-decoration:none}.links a:hover,.back:hover,.reg a:hover{text-decoration:underline}.panel{display:flex;flex-direction:column;align-items:center;gap:14px;padding:7px 0}.panel .form-field{width:100%}.panel .tip{font-size:16px;font-weight:600;text-align:center}.panel .sub-tip{color:var(--muted);font-size:14px;text-align:center}.otp-img{height:100px;width:auto}#wx_qr_container{display:inline-block;min-height:300px}.alt{display:flex;align-items:center;gap:12px;margin:22px 0 16px;color:var(--muted);font-size:14px}.alt:before,.alt:after{content:"";flex:1;height:1px;background:#e7edf6}.thirds{display:flex;justify-content:center;gap:20px}.thirds a{display:flex;flex-direction:column;align-items:center;gap:6px;color:var(--muted);font-size:14px;text-decoration:none}.ico{display:grid;place-items:center;width:46px;height:46px;border:1px solid var(--line);border-radius:50%;background:#f9fbff;color:#4276c2;font-size:15px}.thirds a:hover .ico{border-color:#8daee4;box-shadow:0 2px 9px rgba(36,104,232,.12)}.alt-msg{min-height:20px;margin-top:10px;color:var(--muted);font-size:14px;text-align:center}.alt-msg.bad{color:#bd3d45}.reg{margin:22px 0 0;text-align:center;color:var(--muted);font-size:14px}.foot{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 5.3% 28px;color:#8b9bb0;font-size:12px;letter-spacing:.25px}.foot a{margin-left:6px;color:inherit;text-decoration:none}.foot a:hover{text-decoration:underline}.foot-motto{color:#7b8ca5;white-space:nowrap}@media(max-height:800px) and (min-width:901px){.top{height:84px}.stage{padding:8px 0 15px}.asset-illustration{max-width:485px;margin-top:10px}.pitch h1{font-size:38px}.card{padding-top:30px}.hint{margin-bottom:21px}.foot{padding-top:14px;padding-bottom:16px}}@media(max-width:1050px){.stage{gap:36px;grid-template-columns:minmax(0,1fr) minmax(350px,.9fr)}.card{padding-left:30px;padding-right:30px}.features{gap:13px}.pitch h1{font-size:34px}.sub{font-size:14px}}@media(max-width:760px){.top{height:90px;padding:20px 6%}.brand-mark svg,.brand-mark img{width:36px;height:36px;display:block}.brand-name strong{font-size:18px}.brand-name span{font-size:8px;letter-spacing:1.3px}.top-note{display:none}.stage{display:block;width:88%;max-width:460px;padding:15px 0 25px}.pitch{margin:0 4px 28px}.kicker{margin-bottom:9px;font-size:10px}.pitch h1{margin-bottom:12px;font-size:29px}.pitch h1 br{display:none}.sub{font-size:14px}.asset-illustration,.features{display:none}.card{padding:30px 26px 22px;border-radius:14px}.card:before{left:26px}.card h2{font-size:28px}.hint{margin-bottom:24px;font-size:15px}.foot{padding:10px 6% 22px;font-size:12px;flex-direction:column;gap:6px;text-align:center}}@media(max-width:360px){.stage{width:92%}.card{padding:27px 18px 20px}.card:before{left:18px}.code{grid-template-columns:minmax(0,1fr) 100px}.code img,.send{width:100px}.top{padding-left:4%;padding-right:4%}.brand-name strong{font-size:17px}}

/* 桌面端由 scene 占满视口；内容超出时仍保留页面滚动，不裁剪动态登录面板。 */
@media (min-width:761px) and (min-height:900px){html,body{height:100%}.scene{height:100vh}.top,.foot{flex:0 0 auto}.stage{flex:1 1 auto;min-height:0;margin:0 auto}}

@media (min-width:761px) and (max-height:899px){html,body{height:100%}.scene{height:100vh}.top{height:70px;flex:0 0 auto}.stage{flex:1 1 auto;min-height:0;margin:0 auto;padding:4px 0 8px}.asset-illustration{max-width:390px;margin:7px 0 3px}.features{gap:16px}.card{padding:22px 30px 18px}.card:before{left:30px}.welcome{margin-bottom:6px}.card h2{font-size:26px}.hint{margin-bottom:14px;font-size:14px}.tabs{margin-bottom:8px}.tabs button{padding-bottom:7px}.err{min-height:20px;margin-bottom:4px;line-height:20px}.forms form{gap:12px}.form-field label{margin-bottom:5px;font-size:14px}.form-field input,.code img,.send,.submit{height:46px}.toggle-password{height:36px;bottom:5px}.foot{flex:0 0 auto;padding-top:8px;padding-bottom:12px;font-size:12px}}


/* ===== DeviceHub: JET 登录表单适配 cloudblue 皮肤 ===== */
#login-form{display:grid;gap:18px}
.field{position:relative}
.field label{display:block;margin-bottom:8px;color:#364b66;font-size:16px}
.input-wrap{position:relative;display:flex;align-items:center;height:54px;border:1px solid var(--line);border-radius:7px;background:#fcfdff;transition:border-color .15s,box-shadow .15s}
.input-wrap:focus-within{border-color:var(--blue);box-shadow:0 0 0 3px rgba(36,104,232,.09)}
.input-wrap.invalid{border-color:#bd3d45}
.input-wrap input{width:100%;min-width:0;height:100%;padding:0 15px;border:0;outline:0;background:transparent;color:#203652;font:16px var(--font)}
.input-wrap input::placeholder{color:#a3afbf}
#password{padding-right:64px}
.field-error{display:none;margin:5px 0 0;color:#bd3d45;font-size:12px;line-height:1.5}
.field-error:not(:empty){display:block}
.captcha-line{display:grid;grid-template-columns:minmax(0,1fr) 136px;gap:10px;align-items:start}
.captcha-img{width:136px;height:54px;border:1px solid var(--line);border-radius:7px;background:#fff;object-fit:contain;cursor:pointer}
.options{display:flex;align-items:center;min-height:18px;margin-top:-2px}
.tabs button{cursor:default}
.submit{letter-spacing:3px}
.asset-illustration{height:auto}
@media(max-width:760px){.field label{font-size:14px}}