:root{
  --ink:#eaf7ff;--muted:#89a6b8;--cyan:#35e3ff;--blue:#3b72ff;
  --panel:rgba(7,22,38,.72);--line:rgba(123,211,255,.18);--bg:#030a12;
  font-family:Inter,"Segoe UI","Microsoft YaHei",system-ui,sans-serif;color-scheme:dark
}
*{box-sizing:border-box}
html{min-width:320px;background:var(--bg)}
body{margin:0;min-height:100vh;overflow-x:hidden;color:var(--ink);background:
  radial-gradient(circle at 78% 18%,rgba(20,105,165,.17),transparent 32%),
  radial-gradient(circle at 16% 78%,rgba(35,61,158,.14),transparent 34%),
  linear-gradient(145deg,#02070d 0%,#071521 48%,#031019 100%)}
body:before{content:"";position:fixed;inset:0;pointer-events:none;background:linear-gradient(90deg,transparent 49.9%,rgba(255,255,255,.025) 50%,transparent 50.1%);background-size:64px 64px;opacity:.55}
a{color:inherit;text-decoration:none}
.ambient{position:fixed;width:34vw;height:34vw;border-radius:50%;filter:blur(70px);opacity:.14;pointer-events:none;animation:float 12s ease-in-out infinite alternate}
.ambient-one{right:-14vw;top:4vh;background:#00b7ff}.ambient-two{left:-15vw;bottom:-18vw;background:#364cff;animation-delay:-4s}
.grid-plane{position:fixed;left:0;right:0;bottom:-24vh;height:63vh;pointer-events:none;opacity:.22;transform:perspective(500px) rotateX(58deg);transform-origin:center bottom;background-image:linear-gradient(rgba(59,189,255,.3) 1px,transparent 1px),linear-gradient(90deg,rgba(59,189,255,.3) 1px,transparent 1px);background-size:54px 54px;mask-image:linear-gradient(to bottom,transparent,#000 70%)}
.site-header{position:relative;z-index:2;height:112px;max-width:1540px;margin:auto;padding:0 52px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:13px}.brand>span:last-child{display:grid;line-height:1}.brand strong{font-size:17px;letter-spacing:.19em}.brand small{margin-top:7px;color:var(--muted);font-size:9px;letter-spacing:.27em}
.brand-symbol{display:flex;align-items:flex-end;gap:4px;width:30px;height:31px;transform:skewY(-22deg)}.brand-symbol i{display:block;width:6px;border-radius:8px;background:linear-gradient(to top,var(--blue),var(--cyan));box-shadow:0 0 18px rgba(53,227,255,.25)}.brand-symbol i:nth-child(1){height:19px}.brand-symbol i:nth-child(2){height:29px}.brand-symbol i:nth-child(3){height:23px}
.secure-state,.back-link{font-size:12px;letter-spacing:.12em;color:#9db6c5}.secure-state span{display:inline-block;width:7px;height:7px;margin-right:10px;border-radius:50%;background:#49efba;box-shadow:0 0 12px #49efba}.back-link{padding:10px 15px;border:1px solid var(--line);border-radius:2px}.back-link:hover{border-color:var(--cyan);color:white}
.home-main{position:relative;z-index:1;max-width:1540px;margin:0 auto;padding:8.5vh 52px 7vh;display:grid;grid-template-columns:minmax(360px,.8fr) minmax(620px,1.2fr);gap:7vw;align-items:center;min-height:calc(100vh - 185px)}
.eyebrow{display:flex;align-items:center;gap:12px;margin:0 0 27px;color:#68d7f3;font-size:10px;letter-spacing:.27em}.eyebrow i{display:block;width:58px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent)}
.hero h1{margin:0;font-size:clamp(45px,4.8vw,78px);font-weight:300;letter-spacing:-.055em;line-height:1.12}.hero h1 em{font-style:normal;font-weight:650;background:linear-gradient(96deg,#fff 8%,#8beaff 54%,#6e8cff);background-clip:text;color:transparent}.hero-copy{max-width:530px;margin:30px 0 0;color:var(--muted);font-size:14px;line-height:2}
.portal-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.portal{position:relative;min-height:430px;padding:26px 28px 29px;display:flex;flex-direction:column;border:1px solid var(--line);background:linear-gradient(145deg,rgba(11,34,55,.78),rgba(4,15,27,.82));backdrop-filter:blur(18px);overflow:hidden;isolation:isolate;transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease}.portal:before{content:"";position:absolute;inset:auto -20% -55% -20%;height:68%;z-index:-1;background:radial-gradient(circle,rgba(37,183,255,.17),transparent 65%);transition:transform .35s ease}.portal:after{content:"";position:absolute;inset:0;border-top:2px solid transparent;background:linear-gradient(90deg,var(--cyan),transparent 62%) border-box;mask:linear-gradient(#000 0 0) padding-box,linear-gradient(#000 0 0);mask-composite:exclude;opacity:.55}.factory-portal:after{background:linear-gradient(90deg,#7483ff,transparent 62%) border-box}.portal:hover,.portal:focus-visible{transform:translateY(-7px);border-color:rgba(94,223,255,.58);box-shadow:0 22px 70px rgba(0,0,0,.34),0 0 40px rgba(46,184,255,.08);outline:none}.portal:hover:before{transform:translateY(-12%)}
.portal-number{align-self:flex-end;color:#587286;font:11px ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.15em}.portal-icon{width:82px;height:82px;margin:72px 0 42px;display:grid;grid-template-columns:repeat(2,1fr);gap:5px;transform:rotate(45deg);filter:drop-shadow(0 0 14px rgba(51,220,255,.16))}.portal-icon i{display:block;border:1px solid rgba(65,219,255,.68);background:rgba(41,175,223,.08)}.factory-icon{display:flex;align-items:flex-end;gap:7px;transform:none}.factory-icon i{flex:1;border:0;border-top:1px solid #7f8cff;background:linear-gradient(to top,rgba(77,91,255,.05),rgba(90,209,255,.36))}.factory-icon i:nth-child(1){height:46%}.factory-icon i:nth-child(2){height:82%}.factory-icon i:nth-child(3){height:64%}
.portal-content{display:grid}.portal-content small{color:#5fcce7;font:9px ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.2em}.portal-content strong{margin:11px 0 12px;font-size:26px;letter-spacing:.04em}.portal-content>span{color:var(--muted);font-size:12px;letter-spacing:.08em}.portal-enter{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:27px;border-top:1px solid var(--line);font-size:12px;color:#b8d0de}.portal-enter b{font-size:21px;font-weight:300;color:var(--cyan)}
.site-footer{position:relative;z-index:2;max-width:1540px;height:73px;margin:auto;padding:0 52px;display:flex;align-items:center;gap:18px;color:#587286;font:9px ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.16em}.footer-line{width:42px;height:1px;background:#29485d}
.login-main{position:relative;z-index:1;min-height:calc(100vh - 112px);max-width:1260px;margin:auto;padding:7vh 52px;display:grid;grid-template-columns:1fr 440px;gap:11vw;align-items:center}.login-intro h1{margin:0;font-size:clamp(42px,5vw,72px);font-weight:300;line-height:1.12}.login-intro h1 span{font:11px ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.23em;color:#68889d}.login-intro h1 em{font-style:normal;font-weight:650;background:linear-gradient(90deg,#fff,#69dfff);background-clip:text;color:transparent}.login-intro>p:not(.eyebrow){max-width:490px;color:var(--muted);line-height:1.9}.security-note{margin-top:50px;padding-top:20px;border-top:1px solid var(--line);color:#6f8b9c;font-size:12px}.security-note span{margin-right:9px;color:var(--cyan)}
.login-panel{position:relative;padding:36px;border:1px solid var(--line);background:rgba(6,21,35,.8);backdrop-filter:blur(20px);box-shadow:0 30px 100px rgba(0,0,0,.3)}.panel-top{display:flex;align-items:center;gap:13px;margin-bottom:48px;color:#527287;font:9px ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.2em}.panel-top i{height:1px;flex:1;background:linear-gradient(90deg,var(--line),transparent)}.login-panel h2{margin:0;font-size:28px}.login-panel>p{margin:9px 0 34px;color:var(--muted);font-size:12px}.login-panel form{display:grid}.login-panel label{margin:0 0 8px;color:#91aebe;font-size:11px;letter-spacing:.08em}.login-panel input{height:50px;margin:0 0 22px;padding:0 14px;border:1px solid #1e4055;border-radius:2px;background:rgba(1,9,16,.66);color:#fff;font:15px inherit;outline:none;transition:border .2s,box-shadow .2s}.login-panel input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(53,227,255,.08)}.login-panel button{height:52px;margin-top:7px;padding:0 18px;border:0;border-radius:2px;display:flex;align-items:center;justify-content:space-between;color:#00111c;background:linear-gradient(90deg,#55e9ff,#6689ff);font:600 13px inherit;cursor:pointer}.login-panel button:disabled{opacity:.58;cursor:wait}.login-panel button b{font-size:19px}.form-error{min-height:20px;margin:-8px 0 5px;color:#ff8f86;font-size:12px}.panel-foot{display:block;margin-top:24px;color:#567386;font-size:10px;text-align:center}
@keyframes float{to{transform:translate3d(3vw,-2vh,0) scale(1.08)}}
@media (max-width:1050px){.home-main{grid-template-columns:1fr;padding-top:6vh}.hero{max-width:730px}.portal{min-height:340px}.portal-icon{margin:42px 0 34px}.login-main{gap:6vw}}
@media (max-width:700px){.site-header{height:86px;padding:0 20px}.secure-state{font-size:0}.secure-state:after{content:"安全连接";font-size:10px}.back-link{font-size:10px}.home-main{display:block;min-height:auto;padding:54px 20px 46px}.hero h1{font-size:42px}.hero-copy{font-size:13px}.portal-grid{grid-template-columns:1fr;margin-top:50px}.portal{min-height:285px;padding:22px}.portal-icon{width:62px;height:62px;margin:30px 0 29px}.site-footer{height:64px;padding:0 20px}.login-main{display:block;padding:54px 20px}.login-intro{margin-bottom:45px}.login-intro h1{font-size:42px}.security-note{margin-top:27px}.login-panel{padding:28px 22px}.panel-top{margin-bottom:32px}}
@media (prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.shell-page{display:grid;place-items:center;padding:24px}.shell-status{width:min(680px,100%);padding:54px;border:1px solid var(--line);background:rgba(6,21,35,.82);box-shadow:0 30px 100px rgba(0,0,0,.32)}.shell-code{color:var(--cyan);font:10px ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.22em}.shell-status h1{margin:18px 0 13px;font-size:38px}.shell-status p{color:var(--muted);line-height:1.9}.shell-status a{display:inline-block;margin-top:24px;padding:12px 18px;border:1px solid #28617e;color:#bcecff;font-size:12px}