:root{--ink:#07131f;--ink-2:#0b1b2c;--blue:#1d9bff;--cyan:#70f4ff;--violet:#876cff;--paper:#eaf1f6;--paper-deep:#cbd8e2;--text:#eaf5ff;--muted:#9fb3c7;--dark-text:#102235;--dark-muted:#597087;--line:rgba(139,183,216,.2);--pad:clamp(22px,5vw,82px);--max:1440px;--ease:cubic-bezier(.16,1,.3,1);font-family:"Avenir Next",Avenir,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--dark-text);font-size:16px}
a{color:inherit;text-decoration:none}
.skip{position:fixed;z-index:30;left:12px;top:-56px;padding:10px 14px;background:#fff;color:var(--ink);border-radius:8px}
.skip:focus{top:12px}
.nav{position:fixed;z-index:20;top:0;right:0;left:0;height:76px;display:flex;align-items:center;gap:42px;padding:0 var(--pad);color:var(--text);transition:background .45s var(--ease),color .45s var(--ease),border-color .45s var(--ease);border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(7,19,31,.78);border-color:rgba(160,203,238,.14);backdrop-filter:blur(18px)}
.brand{display:flex;align-items:center;gap:9px;font-size:19px;font-weight:760;letter-spacing:-.04em}
.brand-mark{display:grid;place-items:center;width:25px;height:25px;border:1px solid rgba(118,239,255,.45);border-radius:8px;background:linear-gradient(135deg,#183b5a,#101a36);box-shadow:inset 0 0 18px rgba(67,207,255,.24);font-size:13px;font-weight:850}
.nav nav{display:flex;gap:28px;color:#b4c7d7;font-size:14px}
.nav nav a,.text-link{transition:color .2s ease}
.nav nav a:hover,.text-link:hover{color:#fff}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:19px}
.text-link{font-size:14px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:48px;padding:0 19px;border:1px solid rgba(135,234,255,.36);border-radius:10px;background:#f5fbff;color:#07131f;font-size:14px;font-weight:760;box-shadow:0 10px 32px rgba(0,0,0,.2);transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .35s var(--ease)}
.button:hover{transform:translateY(-3px);background:#c9f8ff;box-shadow:0 15px 42px rgba(18,174,255,.25)}
.button-small{min-height:40px;padding:0 14px;background:transparent;color:#edfbff}
.button-small:hover{background:rgba(118,239,255,.12)}
.hero{position:relative;min-height:100svh;overflow:hidden;background:var(--ink);color:var(--text)}
.hero-world,.hero-world img,.hero-world canvas,.hero-vignette{position:absolute;inset:0;width:100%;height:100%}
.hero-world img{object-fit:cover;object-position:center;background:var(--ink);opacity:.9}
.hero-world canvas{mix-blend-mode:screen;opacity:.92}
.hero-vignette{background:linear-gradient(90deg,rgba(4,13,24,.94) 0%,rgba(4,13,24,.64) 37%,rgba(4,13,24,.12) 68%,rgba(4,13,24,.48) 100%),linear-gradient(0deg,rgba(4,13,24,.86),transparent 33%)}
.hero-frame{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) minmax(330px,420px);gap:80px;align-items:center;width:min(var(--max),100%);min-height:100svh;margin:auto;padding:126px var(--pad) 116px}
.hero-copy{max-width:720px}
.signal-label{display:flex;align-items:center;gap:9px;margin:0 0 22px;color:#b9e6ff;font:700 11px/1.3 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.13em;text-transform:uppercase}
.signal-label i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 6px rgba(90,230,255,.11),0 0 22px var(--cyan)}
.signal-label.dark{color:#316a91}
.signal-label.dark i{background:#227fee;box-shadow:0 0 0 6px rgba(34,127,238,.1)}
h1,h2{margin:0;letter-spacing:-.052em;line-height:.99}
h1{max-width:720px;font-size:clamp(56px,6.5vw,100px);font-weight:780}
.lede{max-width:570px;margin:31px 0 0;color:#c3d5e4;font-size:18px;line-height:1.72}
.hero-actions{display:flex;align-items:center;gap:25px;margin-top:34px}
.quiet-link{color:#c6d9e9;font-size:14px;font-weight:680}
.quiet-link:hover{color:var(--cyan)}
.system-note{margin:20px 0 0;color:#7d9bb2;font-size:12px}
.capture-console{align-self:end;position:relative;overflow:hidden;padding:20px;border-top:1px solid rgba(123,234,255,.5);background:linear-gradient(145deg,rgba(11,31,49,.79),rgba(9,20,41,.46));box-shadow:0 28px 80px rgba(0,0,0,.33),inset 0 1px rgba(255,255,255,.08);backdrop-filter:blur(16px)}
.capture-console:after{position:absolute;content:"";inset:auto 0 0;height:1px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:.65}
.console-top{display:flex;justify-content:space-between;color:#a2bdd0;font:700 11px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.09em}
.live-dot{display:inline-block;width:7px;height:7px;margin-right:7px;border-radius:50%;background:#7affbf;box-shadow:0 0 14px #7affbf}
.console-wave{display:flex;align-items:center;gap:5px;height:76px;margin:14px 0}
.console-wave i{width:3px;height:24px;background:linear-gradient(#95f7ff,#5567ff);border-radius:8px;animation:voice-wave 1s ease-in-out infinite alternate}
.console-wave i:nth-child(2n){animation-delay:.18s}
.console-wave i:nth-child(3n){animation-delay:.42s}
@keyframes voice-wave{to{height:65px;box-shadow:0 0 12px rgba(87,213,255,.75)}
}
.capture-console>p{margin:0;color:#e6f3ff;line-height:1.5}
.console-result{display:grid;gap:7px;margin-top:18px;padding-top:15px;border-top:1px solid rgba(157,201,229,.16)}
.console-result span{color:#84e8cc;font-size:11px}
.console-result b{font-size:14px;font-weight:620;line-height:1.5}
.scroll-cue{position:absolute;z-index:2;bottom:28px;left:var(--pad);display:flex;align-items:center;gap:10px;color:#92adc0;font:700 10px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.12em}
.scroll-cue span{width:32px;height:1px;background:#58daf6}
.section{width:min(var(--max),100%);margin:auto;padding-right:var(--pad);padding-left:var(--pad)}
.signal-band{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(56px,9vw,160px);padding-top:160px;padding-bottom:160px}
.section-intro{max-width:430px}
.section-intro h2,.transform-copy h2,.scene-head h2,.control h2{font-size:clamp(42px,5vw,76px);font-weight:760}
.section-intro>p:not(.signal-label),.transform-copy>p:not(.signal-label){margin:27px 0 0;color:var(--dark-muted);line-height:1.75}
.signal-path{position:relative;display:grid;gap:0;margin:0;padding:0;list-style:none}
.signal-path:before{position:absolute;top:20px;bottom:20px;left:0;width:1px;background:linear-gradient(#237fe6,#7d6cff,transparent);content:""}
.signal-path li{position:relative;padding:0 0 42px 42px}
.signal-path li:before{position:absolute;top:5px;left:-5px;width:11px;height:11px;border:3px solid var(--paper);border-radius:50%;background:#277de7;box-shadow:0 0 0 1px #277de7;content:""}
.signal-path li:last-child{padding-bottom:0}
.signal-path span{display:block;color:#487493;font:700 11px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em}
.signal-path strong{display:block;margin-top:9px;color:#142b3d;font-size:22px;letter-spacing:-.03em}
.signal-path p{margin:8px 0;color:#667f93;line-height:1.6}
.signal-path em{display:block;color:#2d6086;font-size:14px;font-style:normal}
.transform-stage{display:grid;grid-template-columns:1fr 1fr;gap:clamp(44px,9vw,150px);align-items:center;padding-top:120px;padding-bottom:140px;border-top:1px solid rgba(25,69,100,.12)}
.transform-copy{max-width:500px}
.mode-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:30px}
.mode{min-height:38px;padding:0 13px;border:1px solid #afc7d9;border-radius:8px;background:transparent;color:#365d78;cursor:pointer;font-size:13px;font-weight:670;transition:all .25s var(--ease)}
.mode:hover,.mode.active{border-color:#226ff5;background:#122d4a;color:#eef9ff;box-shadow:0 8px 22px rgba(17,83,190,.16)}
.transform-machine{position:relative;min-height:440px;display:grid;place-items:center;overflow:hidden;background:radial-gradient(circle at 50% 45%,#193e67 0,rgba(19,55,91,.82) 22%,#0a1b2c 66%);box-shadow:0 25px 60px rgba(21,55,79,.19)}
.transform-machine:before{position:absolute;inset:0;background:linear-gradient(120deg,transparent 25%,rgba(93,239,255,.09),transparent 72%);content:""}
.machine-orb{position:absolute;width:300px;height:300px;border:1px solid rgba(112,244,255,.2);border-radius:50%;animation:orb-turn 15s linear infinite}
.machine-orb:before,.machine-orb:after{position:absolute;inset:25px;border:1px solid rgba(135,108,255,.34);border-radius:50%;content:""}
.machine-orb:after{inset:66px;border-color:rgba(105,231,255,.52)}
.machine-orb span{position:absolute;width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 18px var(--cyan)}
.machine-orb span:nth-child(1){top:25px;left:62px}
.machine-orb span:nth-child(2){right:31px;bottom:50px;background:var(--violet)}
.machine-orb span:nth-child(3){bottom:18px;left:121px}
.machine-screen{position:relative;width:min(82%,410px);padding:24px;background:rgba(6,18,32,.78);color:#eaf6ff;box-shadow:0 22px 55px rgba(0,0,0,.35);backdrop-filter:blur(9px)}
.machine-screen p{margin:0;color:#86a6be;font:700 10px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.12em}
.machine-screen b,.machine-screen strong{display:block;min-height:50px;margin-top:10px;font-size:17px;line-height:1.5;font-weight:620}
.machine-screen strong{color:#98f2ff}
.machine-screen>i{display:block;width:100%;height:1px;margin:13px 0;background:linear-gradient(90deg,transparent,#6ef4ff,transparent)}
.machine-screen small{display:block;min-height:18px;margin-top:9px;color:#97b8d2;font-size:12px}
@keyframes orb-turn{to{transform:rotate(360deg)}
}
.scenes{position:relative;display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(40px,8vw,130px);width:100%;max-width:none;padding:140px var(--pad);background:#0b1d2c;color:var(--text);overflow:hidden}
.scenes:before{position:absolute;top:-25%;right:-10%;width:65vw;height:65vw;border:1px solid rgba(77,204,255,.13);border-radius:50%;box-shadow:0 0 0 110px rgba(67,153,255,.025),0 0 0 220px rgba(91,106,255,.018);content:""}
.scene-head,.scene-switcher{position:relative;z-index:1}
.scene-tabs{display:flex;gap:4px;margin-bottom:22px;border-bottom:1px solid rgba(165,211,238,.18)}
.scene-tabs button{min-height:42px;padding:0 12px;border:0;border-bottom:2px solid transparent;background:transparent;color:#8faabd;cursor:pointer;font-size:14px;font-weight:680;transition:color .2s ease,border-color .2s ease}
.scene-tabs button:hover,.scene-tabs button[aria-selected=true]{border-color:var(--cyan);color:#eaf9ff}
.scene-panel{min-height:290px;padding:24px 28px;background:rgba(4,15,27,.6);border-top:1px solid rgba(112,244,255,.48);box-shadow:0 30px 80px rgba(0,0,0,.28);backdrop-filter:blur(16px)}
.window-chrome{display:flex;align-items:center;gap:6px;color:#89a8bf;font-size:12px}
.window-chrome i{width:7px;height:7px;border-radius:50%;background:#57778e}
.window-chrome span{margin-left:7px}
.scene-panel>p{max-width:570px;margin:52px 0 10px;font-size:clamp(23px,2.6vw,37px);letter-spacing:-.04em;line-height:1.22}
.scene-panel small{display:block;color:#9bb7ca}
.scene-panel>b{display:block;margin-top:46px;color:#8ff3d4;font-size:12px}
.control{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(46px,9vw,150px);padding-top:150px;padding-bottom:150px}
.control-list{border-top:1px solid #b6c8d4}
.control-list>div{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid #b6c8d4}
.control-list span{color:#287eea;font:700 13px ui-monospace,SFMono-Regular,Menlo,monospace}
.control-list p{margin:0;color:#658095;line-height:1.65}
.control-list b{display:block;margin-bottom:3px;color:#142b3d;font-size:17px}
.download{position:relative;display:grid;min-height:680px;place-items:center;overflow:hidden;background:#06121e;color:var(--text);text-align:center}
.download canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.72}
.download:after{position:absolute;inset:0;background:radial-gradient(ellipse at center,transparent,rgba(3,12,22,.75));content:"";pointer-events:none}
.download-content{position:relative;z-index:1;max-width:680px;padding:110px 25px}
.download .signal-label{justify-content:center}
.download h2{font-size:clamp(48px,6vw,84px);font-weight:760}
.download-content>p:not(.signal-label){margin:27px auto 32px;color:#b4cbda;line-height:1.7}
.button-light{background:transparent;color:#f1fbff}
.download small{display:block;margin-top:21px;color:#7895ac;font-size:12px}
footer{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:31px var(--pad);background:#06121e;color:#7e9bad;font-size:13px}
footer .brand{color:#e4f2fb}
[data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
[data-reveal].visible{opacity:1;transform:none}
@media(max-width:880px){.nav{height:68px;gap:18px}
.nav nav,.text-link{display:none}
.nav-actions{gap:0}
.hero-frame{grid-template-columns:1fr;gap:46px;padding-top:125px;padding-bottom:104px}
.hero-world img{object-position:68% center}
.hero-vignette{background:linear-gradient(180deg,rgba(4,13,24,.35),rgba(4,13,24,.88) 82%),linear-gradient(90deg,rgba(4,13,24,.7),rgba(4,13,24,.12))}
.capture-console{max-width:480px;width:100%;justify-self:end}
.scroll-cue{bottom:24px}
.signal-band,.transform-stage,.scenes,.control{grid-template-columns:1fr;gap:54px}
.signal-band{padding-top:105px;padding-bottom:105px}
.transform-stage{padding-top:90px;padding-bottom:95px}
.transform-machine{min-height:390px}
.scenes{padding-top:100px;padding-bottom:100px}
.control{padding-top:100px;padding-bottom:100px}
.scene-panel>p{margin-top:46px}
.download{min-height:560px}
footer{flex-direction:column;align-items:flex-start;gap:12px}
}
@media(max-width:560px){h1{font-size:54px;letter-spacing:-.06em}
.lede{font-size:16px}
.hero-actions{align-items:flex-start;flex-direction:column;gap:17px}
.button{min-height:46px}
.capture-console{padding:17px}
.signal-path li{padding-left:31px}
.signal-path strong{font-size:19px}
.machine-screen{width:88%;padding:20px}
.scene-tabs{overflow:auto}
.scene-tabs button{flex:0 0 auto}
.scene-panel{padding:22px}
.control-list>div{grid-template-columns:48px 1fr}
.download-content{padding-top:80px;padding-bottom:80px}
footer{font-size:12px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
[data-reveal]{opacity:1;transform:none}
}

.auth-body{min-height:100svh;background:var(--ink);color:var(--text)}
.auth-nav{background:rgba(7,19,31,.72);border-color:rgba(160,203,238,.12);backdrop-filter:blur(18px)}
.auth-shell{position:relative;display:grid;min-height:100svh;place-items:center;overflow:hidden;padding:118px var(--pad) 60px}
.auth-world{position:absolute;inset:0}
.auth-world:after{position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,13,24,.4),rgba(4,13,24,.68) 46%,rgba(4,13,24,.94) 72%),linear-gradient(0deg,rgba(4,13,24,.7),transparent 50%);content:""}
.auth-world img,.auth-world canvas{position:absolute;inset:0;width:100%;height:100%}
.auth-world img{object-fit:cover;opacity:.72}
.auth-world canvas{z-index:1;mix-blend-mode:screen;opacity:.72}
.auth-panel{position:relative;z-index:2;width:min(100%,460px);max-height:calc(100svh - 118px);margin-left:auto;padding:38px 36px 32px;overflow-y:auto;background:rgba(7,22,38,.88);border-top:1px solid rgba(112,244,255,.5);box-shadow:0 30px 90px rgba(0,0,0,.38);backdrop-filter:blur(18px);scrollbar-width:thin;scrollbar-color:rgba(112,244,255,.28) transparent}
.auth-heading h1{font-size:clamp(42px,5vw,60px);font-weight:760;letter-spacing:-.045em}
.auth-heading>p:not(.signal-label){margin:19px 0 0;color:#a9c0d2;line-height:1.7}
.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px;margin-top:27px;padding:4px;border:1px solid rgba(155,200,230,.15);border-radius:10px;background:rgba(2,12,23,.5)}
.auth-tabs button{min-height:40px;border:0;border-radius:7px;background:transparent;color:#7896ab;cursor:pointer;font:680 13px "Avenir Next",Avenir,"PingFang SC",sans-serif;transition:background .2s ease,color .2s ease,box-shadow .2s ease}
.auth-tabs button[aria-selected="true"]{background:rgba(92,218,255,.12);color:#effcff;box-shadow:inset 0 0 0 1px rgba(112,244,255,.16)}
.auth-tabs button:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.auth-form{display:grid;gap:10px;margin-top:24px}
.auth-field{display:grid;gap:7px}
.auth-form [data-setup-username-field]{display:grid;gap:7px}
.auth-form [data-setup-username-field][hidden]{display:none}
.auth-form label{color:#cce1ef;font-size:13px;font-weight:680}
.auth-form input{width:100%;height:50px;padding:0 14px;border:1px solid rgba(155,200,230,.35);border-radius:9px;outline:none;background:rgba(2,12,23,.68);color:#f1fbff;font:600 16px "Avenir Next",Avenir,"PingFang SC",sans-serif;transition:border-color .2s ease,box-shadow .2s ease}
.auth-form input::placeholder{color:#68859b}
.auth-form input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(112,244,255,.12)}
.auth-field.has-error label{color:#ffb2c0}
.auth-field.has-error input,.auth-field input[aria-invalid="true"]{border-color:#ff5f7a;background:rgba(53,8,22,.66);box-shadow:0 0 0 3px rgba(255,95,122,.13)}
.auth-field.has-error input:focus,.auth-field input[aria-invalid="true"]:focus{border-color:#ff8297;box-shadow:0 0 0 3px rgba(255,95,122,.2)}
.auth-field-error{display:flex;align-items:flex-start;gap:6px;margin:0;color:#ff9caf;font-size:11px;font-weight:650;line-height:1.45}
.auth-field-error:before{content:"!";display:grid;width:14px;height:14px;flex:0 0 14px;place-items:center;margin-top:1px;border:1px solid currentColor;border-radius:50%;font:800 9px/1 ui-monospace,SFMono-Regular,Menlo,monospace}
.auth-field-error[hidden]{display:none}
.auth-field-heading{display:flex;align-items:center;justify-content:space-between;margin-top:3px}
.auth-field-heading button,.auth-switch button,.auth-back{padding:0;border:0;background:transparent;color:#80e9fa;cursor:pointer;font:inherit}
.auth-field-heading button{font-size:12px}
.auth-submit{width:100%;margin-top:8px;border:0;cursor:pointer}
.auth-submit:disabled{cursor:wait;opacity:.55;transform:none}
.auth-switch{margin:18px 0 0;color:#809db1;text-align:center;font-size:13px}
.auth-switch button{margin-left:5px;font-weight:700}
.auth-email-row{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:9px;color:#8fa9bc;font-size:12px}
.auth-email-row strong{color:#d8edfa}
.auth-email-row button,.auth-resend{padding:0;border:0;background:transparent;color:#80e9fa;cursor:pointer;font:inherit}
.auth-resend{justify-self:start;margin-top:5px;font-size:12px}
.auth-resend:disabled{color:#668297;cursor:not-allowed}
.auth-subheading{margin-top:1px}
.auth-back{display:inline-flex;align-items:center;gap:7px;margin-bottom:28px;color:#9bc6de;font-size:12px}
.auth-subheading>p:first-of-type{margin:0 0 10px;color:#75ebfa;font:700 10px/1.3 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.14em}
.auth-subheading h2{font-size:36px;font-weight:750}
.auth-subheading>p:last-of-type{margin:13px 0 0;color:#9eb6c8;font-size:13px;line-height:1.65}
.auth-policy{margin:2px 0 0;color:#718da2;font-size:11px;line-height:1.55}
.auth-status{min-height:22px;margin:17px 0 0;color:#9de8ff;font-size:13px;line-height:1.55}
.auth-status.error{color:#ffadbd}
.auth-remember{display:flex;align-items:flex-start;gap:10px;margin:16px 0 2px;padding:13px 14px;border:1px solid rgba(155,200,230,.16);border-radius:10px;background:rgba(5,21,34,.48);cursor:pointer}
.auth-remember input{width:17px;height:17px;margin:2px 0 0;accent-color:#70f4ff;flex:0 0 auto}
.auth-remember span{display:grid;gap:2px;min-width:0}
.auth-remember strong{color:#dcebf4;font-size:12px;line-height:1.45}
.auth-remember small{color:#7894a8;font-size:10px;line-height:1.55}
.auth-remember:focus-within{outline:2px solid #70f4ff;outline-offset:2px}
.auth-success{text-align:center}
.success-mark{display:grid;width:48px;height:48px;margin:0 auto 18px;place-items:center;border-radius:50%;background:#1c725f;color:#9fffdc;font-size:24px}
.auth-success h2{font-size:34px}
.auth-success>p{color:#94afc2}
.auth-success dl{margin:24px 0;background:rgba(2,12,23,.54);text-align:left}
.auth-success dl div{display:grid;grid-template-columns:100px 1fr;padding:11px 13px}
.auth-success dl div+div{border-top:1px solid rgba(155,200,230,.12)}
.auth-success dt{color:#7894a9}
.auth-success dd{margin:0;overflow-wrap:anywhere;color:#edf9ff}
@media(max-width:760px){
.auth-nav .text-link{display:none}
.auth-shell{padding:104px 20px 28px}
.auth-world:after{background:linear-gradient(180deg,rgba(4,13,24,.35),rgba(4,13,24,.88) 55%,rgba(4,13,24,.98))}
.auth-panel{width:100%;margin:0;padding:31px 23px 27px}
.auth-heading h1{font-size:43px}
.auth-subheading h2{font-size:32px}
}