:root{--navy:#17334f;--text:#21354d;--muted:#7c8c9e;--line:#dce5ed;--accent:#00abc7;--surface:#fff;--field:#fafcfd}*{box-sizing:border-box}body{margin:0;font-family:"Microsoft YaHei UI","PingFang SC",Arial,sans-serif;color:var(--text);background:#fff;font-size:14px}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button{border:0;background:none;color:inherit}a{color:inherit;text-decoration:none}svg{display:block;flex-shrink:0}h1,h2,p{margin:0}.site-header{height:94px;display:flex;align-items:center;justify-content:space-between;padding:0 5.5vw;position:relative;z-index:2}.brand{display:flex;align-items:center;gap:18px}.brand strong{font-size:32px;letter-spacing:-2px;color:var(--accent);font-weight:750}.brand span{font-size:14px;padding-left:18px;border-left:1px solid #cad7df;color:#63788e;letter-spacing:1px}.help{display:flex;align-items:center;gap:7px;color:#73899a;font-size:13px;padding:10px}.site-footer{display:flex;justify-content:space-between;align-items:center;padding:22px 5.5vw;min-height:66px;color:#8c9aa8;font-size:12px;position:relative;z-index:2}.site-footer div{display:flex;gap:25px}.site-footer button{font-size:12px;color:inherit;padding:0}.layout{min-height:calc(100vh - 160px);display:grid;grid-template-columns:1.15fr 1fr;align-items:center;max-width:1300px;margin:auto;padding:35px 50px 55px;gap:90px}.visual{position:relative;min-width:0}.visual h1{font-size:46px;line-height:1.5;letter-spacing:3px;font-weight:650}.visual .subtitle{color:#7c94a6;line-height:1.9;margin-top:18px;font-size:15px}.feature-row{display:flex;gap:27px;align-items:center;margin-top:22px;color:#638292;font-size:12px}.feature-row span{display:flex;align-items:center;gap:7px}.product-stage{position:relative;height:280px;margin:14px 0 15px}.product-stage img{position:absolute;z-index:2;width:96%;height:260px;object-fit:contain;left:-2%;top:-4px;filter:drop-shadow(0 27px 22px #244e5b24)}.product-stage:before{content:"";position:absolute;width:91%;height:70px;bottom:22px;left:0;background:linear-gradient(160deg,#fff,#edf6f8);border:1px solid #fff;border-radius:50%;box-shadow:0 19px 0 #e4eef1,0 21px 0 #d9e8ed,0 40px 38px #6a9cac1a}.form-panel{width:100%;max-width:410px;justify-self:center}.form-head{margin-bottom:30px}.form-head h2{font-size:27px;letter-spacing:1px;font-weight:600}.form-head p{font-size:13px;color:var(--muted);margin-top:12px;line-height:1.8}.login-tabs{display:flex;gap:30px;border-bottom:1px solid #e4ebf0;margin-bottom:28px}.login-tabs button{font-size:15px;padding:0 0 14px;color:#8695a6;position:relative}.login-tabs button[aria-selected=true]{color:var(--text);font-weight:600}.login-tabs button[aria-selected=true]:after{content:"";height:3px;border-radius:2px;background:var(--accent);position:absolute;bottom:-1px;left:0;right:0}.field-label{display:block;color:#52677b;font-size:12px;margin-bottom:10px}.field{margin-bottom:21px}.input-wrap{height:52px;display:flex;align-items:center;border:1px solid var(--line);border-radius:8px;background:var(--field);padding:0 15px;gap:11px;transition:border-color .12s}.input-wrap:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px #00abc70b}.input-wrap>svg{color:#8d9fac;width:19px;height:19px}.input-wrap input{width:100%;min-width:0;height:100%;background:transparent;border:0;outline:none;color:var(--text);font-size:14px;padding:0}.input-wrap input::placeholder{color:#a5b1bd}.input-wrap input:focus-visible{outline:0}.password-toggle{padding:5px;color:#9aa9b5}.password-toggle[aria-pressed=true]{color:var(--accent)}.send-code{white-space:nowrap;font-size:12px;color:var(--accent);padding:9px 0 9px 13px;border-left:1px solid var(--line)}.form-options{display:flex;align-items:center;justify-content:space-between;margin:6px 0 26px;color:#7b8c9d;font-size:12px}.check-label{display:flex;align-items:flex-start;gap:8px;line-height:1.7;cursor:pointer}.check-label input{accent-color:var(--accent);width:15px;height:15px;flex-shrink:0;margin:2px 0 0}.form-options button{padding:0;font-size:12px;color:#6c8297}.primary{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;height:52px;border-radius:8px;background:var(--accent);color:white;font-size:16px;font-weight:600;letter-spacing:3px;transition:filter .15s}.primary:hover{filter:brightness(.95)}.agreement{display:flex;align-items:center;justify-content:center;gap:4px;font-size:11px;color:#93a1ae;line-height:1.8;margin-top:22px}.agreement button{color:#648098;padding:0;font-size:11px}.error{color:#c75f53;font-size:12px;line-height:1.7;margin:0 0 14px}.error:empty{display:none}.account-panel[hidden],.phone-panel[hidden],[hidden]{display:none!important}.theme-cyan{background:linear-gradient(105deg,#eef9fc 0%,#f4fafc 54%,#fff 54%,#fff 100%)}.theme-cyan .visual:after{content:"";position:absolute;z-index:-1;left:-230px;top:80px;width:560px;height:460px;border:1px solid #daeef3;border-radius:48%;transform:rotate(-25deg)}.theme-cyan .form-panel{padding:36px 0 35px 20px}.theme-cyan .visual h1{color:#1b3d52}.theme-cyan .layout{gap:120px}.theme-cyan .product-stage img{transform:rotate(-8deg)}.theme-navy{--accent:#a9bfd3;--text:#20354e;--field:#f8fafc;background:#0e243b;color:#f1f5f9;position:relative;overflow-x:hidden}.theme-navy:before{content:"";position:fixed;width:1100px;height:1100px;border:1px solid #6f91ad24;border-radius:50%;left:-400px;top:-130px;box-shadow:0 0 0 110px #3157740c,0 0 0 220px #3157740a;pointer-events:none}.theme-navy .site-header .brand strong{color:#d8e8f6}.theme-navy .site-header .brand span{color:#95adbf;border-color:#547087}.theme-navy .help{color:#a2b7c9}.theme-navy .layout{grid-template-columns:1fr 430px;gap:100px;padding-top:30px;padding-bottom:40px}.theme-navy .visual h1{font-weight:500;font-size:41px;letter-spacing:3px;line-height:1.65}.theme-navy .visual .subtitle{color:#a5b8cb;font-size:14px}.theme-navy .feature-row{color:#9cb3c6;gap:23px;margin-top:24px}.theme-navy .product-stage{height:290px;margin-top:24px}.theme-navy .product-stage img{width:110%;left:-6%;top:-15px;height:290px;filter:drop-shadow(0 25px 20px #020b1840);transform:rotate(-6deg)}.theme-navy .product-stage:before{bottom:5px;left:0;width:95%;height:140px;background:radial-gradient(ellipse,#89a4bd77,#2b4f6b55 65%,#183b55);border:1px solid #56789055;border-radius:50%;box-shadow:0 18px 0 #17344c,0 19px 0 #587c9755,0 45px 55px #0004}.theme-navy .form-panel{background:#fdfefe;color:var(--text);padding:43px 40px 37px;max-width:430px;border-radius:16px;box-shadow:0 30px 90px #020c182e;border:1px solid #ffffff88}.theme-navy .form-head{margin-bottom:30px}.theme-navy .form-head h2{font-size:25px}.theme-navy .login-tabs button[aria-selected=true]:after{background:#234566}.theme-navy .primary{background:linear-gradient(105deg,#203d59,#345a7d);box-shadow:0 6px 17px #183c5c1c}.theme-navy .site-footer{color:#829aaf}.theme-navy .input-wrap:focus-within{border-color:#5b7c9b}.theme-minimal{--accent:#274d70;--field:#fff;background:#f5f7fa}.theme-minimal .site-header{height:82px;border-bottom:1px solid #e5ebf1;background:#fff;padding:0 48px}.theme-minimal .brand strong{color:#244967;font-size:29px}.theme-minimal .brand span{font-size:13px;color:#8292a3;border-color:#e0e6ed}.theme-minimal .layout{display:flex;flex-direction:column;justify-content:center;gap:0;padding:48px 24px;min-height:calc(100vh - 148px)}.theme-minimal .visual{display:none}.theme-minimal .form-panel{background:#fff;max-width:430px;border:1px solid #e5eaf0;padding:38px 40px 34px;border-radius:10px;box-shadow:0 10px 40px #28456206}.theme-minimal .form-head{text-align:center;margin-bottom:29px}.theme-minimal .form-head h2{font-size:23px;letter-spacing:2px}.theme-minimal .form-head p{font-size:12px}.form-mark{width:49px;height:49px;border:1px solid #d2dfe9;background:#f3f7fa;color:#2d5779;border-radius:12px;margin:0 auto 21px;display:flex;align-items:center;justify-content:center}.theme-minimal .login-tabs{gap:0;justify-content:space-around}.theme-minimal .login-tabs button{flex:1;text-align:center;font-size:14px}.theme-minimal .login-tabs button[aria-selected=true]:after{left:30%;right:30%}.theme-minimal .field-label{display:none}.theme-minimal .field{margin-bottom:17px}.theme-minimal .input-wrap{border-radius:6px;height:49px}.theme-minimal .primary{height:49px;border-radius:6px}.theme-minimal .agreement{margin-top:23px}.theme-minimal .site-footer{justify-content:center;gap:22px;min-height:66px;font-size:11px}.theme-minimal .site-footer div{border-left:1px solid #d9e0e8;padding-left:22px;gap:20px}.quiet-brand{display:flex;align-items:center;gap:9px;color:#9aa9b7;font-size:11px;margin-top:29px;letter-spacing:1px}.quiet-brand:before,.quiet-brand:after{content:"";width:23px;height:1px;background:#d5dfe7}.login-modal{position:fixed;inset:0;background:#0b233d66;z-index:100;display:grid;place-items:center;padding:24px}.modal-card{width:min(380px,100%);background:white;padding:28px;color:#263e56;border-radius:14px;box-shadow:0 25px 80px #09192e33}.modal-card h2{font-size:19px;font-weight:600}.modal-card p{font-size:14px;color:#768a9e;line-height:1.9;margin:16px 0 24px}.modal-card button{display:block;margin-left:auto;color:#2e617e;font-size:14px;padding:6px 9px}.mobile-host{background:#eaf0f6;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:35px}.mobile-device{width:390px;height:844px;border-radius:32px;overflow:hidden;background:#fff;box-shadow:0 0 0 1px #cddae8,0 0 0 6px #f8fafc,0 20px 70px #2645631a;position:relative}.mobile-status{height:38px;padding:15px 21px 0;display:flex;justify-content:space-between;font-family:Arial,sans-serif;font-size:12px;font-weight:600;color:#fff;background:#132d48}.mobile-nav{height:50px;background:#132d48;color:#fff;padding:0 20px;display:flex;justify-content:space-between;align-items:center}.mobile-nav b{font-size:16px}.capsule{width:82px;height:29px;border:1px solid #a6bdd43d;border-radius:18px;display:flex;align-items:center;justify-content:space-evenly;font-family:Arial,sans-serif;font-size:14px}.capsule span+span{padding-left:12px;border-left:1px solid #a6bdd444}.mobile-scroll{height:calc(100% - 88px);overflow:auto;scrollbar-width:none}.mobile-scroll::-webkit-scrollbar{display:none}.mobile-brand{height:318px;position:relative;background:linear-gradient(135deg,#132d48,#294d70);color:#fff;padding:35px 27px 0;overflow:hidden}.mobile-brand:after{content:"";position:absolute;right:-105px;top:20px;border:1px solid #a0bad622;width:340px;height:340px;border-radius:50%;box-shadow:0 0 0 36px #e4eef707}.mobile-brand strong{display:block;position:relative;z-index:2;font-size:41px;letter-spacing:2px}.mobile-brand p{font-size:12px;color:#c4d3e3;margin-top:12px;letter-spacing:2px}.mobile-brand img{position:absolute;width:300px;height:200px;object-fit:contain;top:105px;left:52px;z-index:2;transform:rotate(-8deg);filter:drop-shadow(0 20px 15px #06182e50)}.mobile-brand .product-base{position:absolute;width:270px;height:61px;border-radius:50%;top:247px;left:67px;background:radial-gradient(ellipse,#b1cadf88,#38628188 70%);box-shadow:0 12px 0 #1c3d58;border:1px solid #7395af55}.mobile-login{background:#fff;position:relative;z-index:3;margin-top:-20px;border-radius:24px 24px 0 0;padding:29px 27px 26px;min-height:355px}.mobile-login h1{font-size:22px;font-weight:600;letter-spacing:1px}.mobile-login .intro{font-size:12px;color:#94a3b4;margin:10px 0 25px}.mobile-login .primary{--accent:#1c3c5c;letter-spacing:1px;font-size:15px;height:49px;border-radius:9px;box-shadow:none;background:linear-gradient(100deg,#294d71,#163451)}.mobile-login .wechat-icon{width:24px;height:24px}.mobile-login .secondary-login{display:block;margin:19px auto 0;font-size:13px;color:#63809e;padding:7px 12px}.mobile-agree{margin-top:28px;align-items:flex-start;justify-content:flex-start;font-size:11px;line-height:1.9;color:#97a5b5;display:flex;gap:7px}.mobile-agree input{accent-color:#1b3b59;width:14px;height:14px;flex-shrink:0;margin:3px 0 0}.mobile-agree button{color:#55748f;padding:0;font-size:11px}.mobile-login .input-wrap{height:47px;border-radius:8px;padding:0 12px}.mobile-login .input-wrap input{font-size:13px}.mobile-login .field{margin-bottom:15px}.mobile-login .phone-panel .primary{margin-top:20px}.mobile-login .error{margin-top:15px;margin-bottom:10px;font-size:11px}.mobile-login .field-label{display:none}.mobile-home-indicator{position:absolute;width:115px;height:4px;background:#17314d;border-radius:5px;bottom:9px;left:calc(50% - 57px);z-index:5}.mobile-modal .modal-card{max-width:330px}.capture.mobile-host{padding:0}.capture .mobile-device{width:100vw;height:100dvh;box-shadow:none;border-radius:0}@media(min-width:1600px){.layout{gap:150px}.theme-cyan .layout{gap:170px}}@media(max-width:1100px){.layout{gap:65px;padding-left:40px;padding-right:40px}.theme-cyan .layout{gap:65px}.visual h1{font-size:38px}.theme-navy .layout{grid-template-columns:1fr 380px;gap:45px}.theme-navy .form-panel{padding:35px 30px}.theme-navy .visual h1{font-size:34px}.feature-row{gap:18px;font-size:11px}.brand span{font-size:12px}}@media(max-width:760px){.site-header{height:76px;padding:0 25px}.brand{gap:12px}.brand strong{font-size:28px}.brand span{font-size:11px;padding-left:12px;letter-spacing:0}.help span{display:none}.layout,.theme-navy .layout,.theme-cyan .layout{display:flex;justify-content:center;padding:35px 25px;min-height:calc(100dvh - 142px)}.visual{display:none}.theme-cyan{background:#f5fafc}.theme-cyan .form-panel{padding:30px 25px;background:white;border:1px solid #e6eff3;border-radius:12px}.theme-navy .form-panel{max-width:410px}.theme-navy:before{left:-740px}.site-footer{padding:20px 25px;font-size:10px;justify-content:center}.site-footer>span{display:none}.site-footer div{gap:25px}.site-footer button{font-size:11px}.theme-minimal .site-header{padding:0 24px;height:76px}.theme-minimal .layout{min-height:calc(100dvh - 142px);padding:25px}.theme-minimal .form-panel{padding:32px 25px}.theme-minimal .site-footer{min-height:66px}.theme-minimal .site-footer div{padding:0;border:0}.mobile-host{padding:0}.mobile-device{width:100%;height:100dvh;border-radius:0;box-shadow:none}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.required-mark{color:#ce645b;display:inline-block;margin-left:5px;font-weight:500}