:root{color-scheme:dark;--bg:#f7faff;--surface:#f7faff;--text:#29496f;--muted:#7185a3;--gold:#7768df;--line:rgba(109,113,230,.16)}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 16% 35%,#f7faff44,transparent 52%),var(--bg);color:var(--text);font-family:'Microsoft YaHei',system-ui,sans-serif;min-height:100dvh}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:wait}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--gold);outline-offset:5px}a{color:var(--gold)}.shell{max-width:1320px;margin:auto;padding:22px 48px 12px}.masthead{display:flex;align-items:center;justify-content:space-between;gap:12px}.brand-lockup{display:flex;align-items:center;gap:12px}.brand-icon{width:32px;height:32px;color:var(--gold)}.brand-name{font-size:15px;font-weight:600;letter-spacing:1px}.edition{font-size:11px;color:#7768df;border:1px solid var(--line);border-radius:5px;padding:5px 9px;white-space:nowrap}.layout{min-height:calc(100dvh - 136px);display:grid;grid-template-columns:minmax(0,1fr) 430px;align-items:center;gap:64px}.identity{position:relative;padding:20px 0}.eyebrow{font-size:10px;letter-spacing:3px;color:#7768df;display:flex;align-items:center;gap:10px}.eyebrow:before{content:'';width:24px;height:1px;background:#eeeaff}.hero-title{font-size:clamp(32px,3.4vw,48px);line-height:1.38;letter-spacing:2px;font-weight:500;margin:24px 0 16px}.hero-title em{font-style:normal;color:var(--gold)}.hero-description{font-size:13px;color:var(--muted);line-height:2;margin:0}.motion-wrap{width:100%;max-width:540px;margin:0 auto;pointer-events:none;position:relative}.motion-wrap:before{content:'L';position:absolute;inset:40% 0 auto;text-align:center;font-size:70px;color:var(--gold);font-weight:700}.motion-wrap:has(svg):before{display:none}#login-motion{aspect-ratio:600/360}.capabilities{display:flex;gap:0;align-items:center;color:#7185a3;font-size:11px;letter-spacing:1px}.capabilities span+span{border-left:1px solid #c8cdf6;padding-left:20px;margin-left:20px}.panel{padding:36px;border:1px solid var(--line);background:linear-gradient(150deg,#f7faff,#f7faff);border-radius:26px;box-shadow:0 28px 80px #d6e2f344;position:relative}.panel:before{content:'';position:absolute;left:36px;right:36px;top:-1px;height:1px;background:linear-gradient(90deg,transparent,#eeeaff66,transparent)}.panel-header{margin-bottom:26px}.panel-header h1{font-size:26px;font-weight:500;letter-spacing:1px;margin:0 0 9px}.panel-header p{font-size:12px;color:var(--muted);margin:0;line-height:1.8}.tab{display:flex;border-bottom:1px solid #d6e2f30c;margin-bottom:23px;gap:28px}.tab button{background:none;border:0;color:var(--muted);font-size:13px;padding:0 1px 12px;position:relative}.tab button.on{color:var(--gold)}.tab button.on:after{content:'';position:absolute;bottom:-1px;left:0;right:0;height:2px;background:var(--gold)}.field{margin-bottom:17px}.field label{display:block;font-size:12px;color:#7185a3;margin:0 0 8px}.input-wrap{position:relative}.field input{display:block;width:100%;height:46px;padding:0 13px;background:#f7faff;border:1px solid #d6e2f315;border-radius:8px;color:#29496f;outline:none;font-size:13px;transition:border-color .16s,box-shadow .16s}.field input::placeholder{color:#7185a3}.field input:focus{border-color:#c8cdf6;box-shadow:0 0 0 3px #c8cdf60c}.field input[type=password],#password{padding-right:51px}.eye{position:absolute;right:6px;top:5px;height:36px;width:36px;background:transparent;border:0;border-radius:5px;color:#7768df;display:grid;place-items:center}.eye:hover{background:#ffffff08}.eye svg{width:19px;height:19px}.btn{width:100%;height:46px;border:1px solid #c8cdf688;border-radius:8px;background:linear-gradient(115deg,#eeeaff,#eeeaff 50%,#eeeaff);color:#27200f;font-size:14px;font-weight:600;box-shadow:0 6px 24px #c8cdf60c;position:relative;transition:filter .16s}.btn:hover{filter:brightness(1.08)}.btn:disabled{filter:saturate(.5);opacity:.65}.msg{font-size:12px;line-height:1.65;color:#7768df;min-height:20px;margin:0 0 10px;overflow-wrap:anywhere}.msg:empty{min-height:0;margin:0 0 5px}.msg.err{color:#7768df}.msg.ok{color:#7768df}.hidden{display:none!important}.help{margin-top:20px;border-top:1px solid #d6e2f30a;padding-top:16px;color:var(--muted);font-size:11px;line-height:1.9}.help summary{cursor:pointer;color:#7768df;display:flex;align-items:center;justify-content:space-between;list-style:none}.help summary::-webkit-details-marker{display:none}.help summary:after{content:'+';font-size:17px;color:var(--gold)}.help[open] summary:after{content:'−'}.help p{margin:10px 0 0}.device{margin-top:14px;color:#7185a3;font-size:10px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}.device svg{width:12px;height:12px}.device b{font-family:monospace;font-weight:400;font-size:10px}.footer{display:flex;justify-content:space-between;gap:12px;color:#7185a3;font-size:10px;letter-spacing:1px;padding-top:15px;border-top:1px solid #d6e2f308}.preview-note{padding:9px 15px;background:#eeeaff0b;color:#7768df;font-size:11px;text-align:center;border-bottom:1px solid #c8cdf616}.preview-note a{margin-left:10px}.mobile-tagline{display:none}*{scrollbar-width:thin;scrollbar-color:#4d4431 #0a0b10}
@media(max-width:900px){.shell{max-width:500px;padding:22px 26px 18px}.layout{display:block;min-height:0}.identity{padding:0}.eyebrow,.hero-title,.hero-description,.capabilities{display:none}.motion-wrap{height:106px;overflow:hidden;margin:0 auto}.motion-wrap #login-motion{position:absolute;width:270px;left:50%;top:50%;translate:-50% -50%}.panel{padding:23px 25px 20px;border-radius:14px}.panel-header{margin-bottom:18px}.panel-header h1{font-size:22px;margin-bottom:6px}.panel-header p{font-size:11px}.tab{margin-bottom:18px}.field{margin-bottom:14px}.field input{height:43px}.eye{top:3px}.help{margin-top:16px;padding-top:12px}.device{margin-top:10px}.footer{margin-top:19px;font-size:9px}.brand-name{font-size:13px}.brand-icon{width:26px;height:26px}.edition{font-size:10px;padding:4px 7px}}
@media(max-width:900px) and (max-height:650px){.shell{padding-top:16px}.motion-wrap{height:75px}.motion-wrap #login-motion{width:225px}.panel{padding:19px 22px 16px}.panel-header{margin-bottom:17px}.panel-header p{display:none}.field{margin-bottom:12px}.tab{margin-bottom:15px}.footer{margin-top:14px}.panel-header h1{font-size:21px}}
@media(max-width:360px){.shell{padding-left:16px;padding-right:16px}.panel{padding-left:18px;padding-right:18px}.footer span:last-child{display:none}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;scroll-behavior:auto!important}}
/* Clear feedback without shifting the form or adding distracting loops. */
.field input[aria-invalid="true"]{border-color:#c8cdf6;box-shadow:0 0 0 3px #c8cdf60c}
.field input[readonly]{color:#7185a3;cursor:wait}
.tab button:disabled{opacity:.6;cursor:wait}
.btn[aria-busy="true"]{letter-spacing:.4px}
@media(max-width:900px) and (max-height:650px){.footer{padding-top:11px}.help{margin-top:14px}}

/* Shared brand animation; all rules stay within the login illustration or trial dialog. */
.motion-wrap #login-motion{aspect-ratio:1200/750;position:relative}
.motion-wrap:has(svg.brand-formation):before{display:none}
.web-motion-toggle{position:absolute;right:12px;bottom:3px;pointer-events:auto;padding:5px 11px;border:1px solid #c8cdf628;border-radius:15px;background:#f7faffa6;color:#7768df;font-size:10px;cursor:pointer;z-index:2}
.web-motion-toggle:focus-visible{outline:2px solid #c8cdf6;outline-offset:3px}
#trialLoginBox:not(form){background:rgba(249,252,255,.97)!important}
#trialLoginBox .tl-card{background:linear-gradient(150deg,#f7faff,#f7faff)!important;border-color:#c8cdf630!important;color:#29496f!important;max-height:calc(100dvh - 40px)!important}
#trialLoginBox .tl-input{background:#f7faff!important;border-color:#d6e2f318!important;color:#29496f!important}
#trialLoginBox .tl-tab[aria-selected=true]{background:#eeeaff13!important;border-color:#c8cdf6!important;color:#7768df!important}
#trialLoginBox label,#trialLoginBox .tl-tab{color:#7185a3!important}
#trialLoginBox input:focus-visible,#trialLoginBox button:focus-visible{outline-color:#c8cdf6!important}
#trialLoginBox #trialRemember{accent-color:#7768df!important}
#trialLoginBox #trialLoginSubmit{background:linear-gradient(115deg,#eeeaff,#eeeaff 50%,#eeeaff)!important;color:#27200f!important}
#trialLoginBox .web-motion-host,.bw-activation-gate .web-motion-host{position:relative;height:140px;overflow:hidden;width:100%;margin:0 0 14px}
#trialLoginBox .web-motion-host #login-motion,.bw-activation-gate .web-motion-host #login-motion{position:absolute;width:420px;height:262.5px;left:50%;top:50%;translate:-50% -50%}
#trialLoginBox .web-motion-toggle,.bw-activation-gate .web-motion-toggle{right:0;bottom:0;font-size:10px}
@media(max-width:500px){#trialLoginBox .web-motion-host,.bw-activation-gate .web-motion-host{height:124px;margin-bottom:12px}#trialLoginBox .web-motion-host #login-motion,.bw-activation-gate .web-motion-host #login-motion{width:360px;height:225px}}