:root{--ink:#071013;--paper:#f0eee7;--line:rgba(255,255,255,.12);--cyan:#70f0d3;--amber:#ffb45d;--muted:#899895}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--ink);color:#edf4f1;font-family:Arial,"Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}img,video{display:block;max-width:100%}.site-header{height:76px;padding:0 max(5vw,28px);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50;background:rgba(7,16,19,.88);border-bottom:1px solid var(--line);backdrop-filter:blur(20px)}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:38px;height:38px;display:grid;place-items:center;border:1px solid rgba(112,240,211,.6);color:var(--cyan);font-weight:900;font-size:13px;transform:rotate(-3deg)}.brand>span:last-child{display:flex;flex-direction:column}.brand strong{font-size:17px}.brand small{font-size:9px;letter-spacing:2px;color:#829491;margin-top:2px}.site-header nav{display:flex;gap:30px;color:#adbbb8;font-size:13px}.site-header nav a:hover{color:var(--cyan)}.header-cta{border:1px solid rgba(112,240,211,.5);padding:11px 16px;color:var(--cyan);font-size:12px}
.hero{position:relative;min-height:780px;overflow:hidden;padding:95px max(5vw,28px) 110px;display:grid;grid-template-columns:.9fr 1.1fr;align-items:center;gap:6vw;background:radial-gradient(circle at 76% 32%,#123b43 0,#071013 42%,#050b0e 75%)}.hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);background-size:60px 60px;pointer-events:none;mask-image:linear-gradient(#000,transparent 82%)}.hero-copy,.product-stage{position:relative;z-index:2}.eyebrow{display:flex;align-items:center;gap:11px;color:var(--cyan);font-size:11px;letter-spacing:2.3px}.eyebrow span{width:30px;height:1px;background:var(--cyan)}h1{font-size:clamp(48px,5.3vw,86px);line-height:1.03;margin:26px 0 28px;letter-spacing:-4px}h1 em{font-style:normal;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.72)}.hero-lead{max-width:650px;font-size:17px;line-height:1.9;color:#a6b5b2}.hero-actions{display:flex;gap:12px;margin-top:36px}.button{min-height:52px;display:inline-flex;align-items:center;justify-content:center;padding:0 24px;font-size:13px;font-weight:700;transition:.25s}.primary{background:var(--cyan);color:#061111}.primary:hover{background:#b5ffeb;transform:translateY(-2px)}.ghost{border:1px solid rgba(255,255,255,.22)}.ghost:hover{color:var(--cyan);border-color:var(--cyan)}.hero-proof{margin-top:44px;display:flex;align-items:center;gap:18px;color:#7f918e;font-size:11px}.hero-proof span{display:flex;align-items:baseline;gap:5px}.hero-proof b{font-size:21px;color:#fff}.hero-proof i{width:3px;height:3px;border-radius:50%;background:var(--cyan)}
.product-stage{min-width:650px;border:1px solid rgba(255,255,255,.15);background:rgba(8,20,24,.92);box-shadow:0 35px 100px rgba(0,0,0,.55);transform:perspective(1200px) rotateY(-4deg)}.stage-top{height:43px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:0 16px;font-size:8px;letter-spacing:1.2px;color:#627572}.stage-top>span{color:var(--amber)}.stage-top em{color:var(--cyan);font-style:normal}.stage-body{display:grid;grid-template-columns:118px 1fr;min-height:430px}.stage-body aside{border-right:1px solid var(--line);padding:20px 10px;display:flex;flex-direction:column;gap:5px}.stage-body aside span,.stage-body aside b{padding:10px;font-size:9px;color:#657774;font-weight:400}.stage-body aside b{color:var(--cyan);border-left:2px solid var(--cyan);background:rgba(112,240,211,.07)}.stage-main{padding:22px;min-width:0}.stage-heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:18px}.stage-heading>span{display:flex;flex-direction:column;gap:4px}.stage-heading small{font-size:8px;color:#617370}.stage-heading strong{font-size:15px}.stage-heading em{font-size:8px;color:var(--cyan);font-style:normal}.stage-grid{display:grid;grid-template-columns:1.45fr .9fr;gap:12px}.stage-preview{height:250px;position:relative;overflow:hidden}.stage-preview:after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 45%,rgba(0,0,0,.8))}.stage-preview img{width:100%;height:100%;object-fit:cover}.stage-preview>span{position:absolute;z-index:2;inset:0;margin:auto;width:48px;height:48px;display:grid;place-items:center;border:1px solid rgba(112,240,211,.55);border-radius:50%;color:var(--cyan);background:rgba(5,16,19,.75)}.stage-preview>small{position:absolute;z-index:2;left:12px;bottom:10px;font-size:7px;letter-spacing:1.5px}.agent-panel{border:1px solid var(--line);padding:14px}.agent-panel>small{font-size:8px;color:#647673}.agent{display:grid;grid-template-columns:27px 1fr auto;gap:8px;align-items:center;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.06)}.agent>b{width:25px;height:25px;display:grid;place-items:center;border-radius:50%;font-size:9px;color:var(--cyan);background:rgba(112,240,211,.08)}.agent>span{display:flex;flex-direction:column;gap:3px}.agent strong{font-size:9px}.agent small{font-size:7px;color:#637572}.agent em{font-size:9px;color:var(--cyan);font-style:normal}.timeline{display:grid;grid-template-columns:1.2fr .7fr 1fr .6fr 1.4fr .8fr 1.1fr;gap:3px;height:18px;margin-top:17px}.timeline span{background:#163d42;border-top:2px solid #2f9b8d}.timeline span:nth-child(even){background:#3b2e23;border-color:#ad7845}.signal{min-height:72px;padding:25px;text-align:center;border-block:1px solid var(--line);color:#657774;font-size:9px;letter-spacing:2.2px;word-spacing:18px}
.light-section,.dark-section,.features,.pricing,.contact{padding:130px max(5vw,28px)}.workflow{display:grid;grid-template-columns:.85fr 1.15fr;gap:8vw;background:var(--paper);color:#111a1c}.section-copy h2,.section-head h2,.pricing h2,.contact h2{font-size:clamp(38px,4.4vw,68px);line-height:1.1;letter-spacing:-2.5px;margin:24px 0}.section-copy p,.section-head p,.pricing-copy>p{color:#65706e;line-height:1.8}.step-list{border-top:1px solid #c9cdc7}.step-list article{min-height:112px;display:grid;grid-template-columns:48px 180px 1fr 28px;align-items:center;gap:18px;padding:18px 14px;border-bottom:1px solid #c9cdc7;transition:.25s}.step-list article>span{font-size:11px;color:#848e8b}.step-list h3{font-size:20px;margin:0}.step-list p{font-size:13px;line-height:1.6;color:#687371}.step-list article>b{font-size:22px;font-weight:400}.step-list article.active,.step-list article:hover{background:#0d2024;color:white;transform:translateX(8px)}.step-list article.active p,.step-list article:hover p{color:#a6b4b1}.step-list article.active>span,.step-list article.active>b{color:var(--cyan)}
.dark-section{background:#081115}.section-head{display:flex;align-items:end;justify-content:space-between;gap:50px;margin-bottom:50px}.section-head p{max-width:430px}.media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.media-card{border:1px solid var(--line);background:#0b171b;overflow:hidden}.media-card.wide{grid-column:span 2}.visual{height:300px;position:relative;overflow:hidden;background:#030708}.wide .visual{height:420px}.visual img,.visual video{width:100%;height:100%;object-fit:cover;transition:.6s}.media-card:hover img{transform:scale(1.025)}.visual>span{position:absolute;top:14px;left:14px;padding:7px 10px;background:rgba(4,13,15,.82);color:var(--cyan);font-size:8px;letter-spacing:1.5px}.media-copy{padding:20px}.media-copy h3{font-size:17px;margin:0 0 9px}.media-copy p{font-size:12px;line-height:1.7;color:#80908d;margin:0}.final-card{min-height:390px;border:1px solid var(--line);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:35px;text-align:center;background:radial-gradient(circle,#16383f,#0a1518 65%)}.final-card>b{width:62px;height:62px;display:grid;place-items:center;border:1px solid rgba(112,240,211,.5);border-radius:50%;color:var(--cyan);margin-bottom:22px}.final-card small{color:#667976;letter-spacing:3px}.final-card h3{margin:10px}.final-card p{max-width:280px;font-size:12px;line-height:1.7;color:#80908d}
.features{background:#0c181c}.features .section-copy{max-width:760px;margin-bottom:60px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.feature-grid article{min-height:260px;padding:34px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:.25s}.feature-grid article:hover{background:#10272c}.feature-grid span{font-size:10px;color:var(--cyan)}.feature-grid h3{font-size:21px;margin:55px 0 13px}.feature-grid p{font-size:13px;line-height:1.8;color:#81908d}.pricing{display:grid;grid-template-columns:.75fr 1.25fr;gap:7vw;background:#e9e7df;color:#111a1c}.pricing-copy ul{padding:0;list-style:none;display:grid;gap:12px;margin-top:30px;color:#45514f;font-size:13px}.pricing-copy li:before{content:"✓";color:#168b79;margin-right:10px}.price-grid{display:grid;grid-template-columns:repeat(3,1fr);align-items:center}.price-grid article{min-height:390px;padding:32px 25px;border:1px solid #c8cbc4;display:flex;flex-direction:column;position:relative}.price-grid small{font-size:10px;letter-spacing:1.3px;color:#697371}.price-grid strong{font-size:27px;margin:42px 0 20px}.price-grid p{font-size:12px;line-height:1.7;color:#687270;flex:1}.price-grid a{padding:14px;border:1px solid #172426;text-align:center;font-size:11px}.price-grid .recommended{min-height:440px;background:#0b1a1e;color:white;border-color:#0b1a1e;box-shadow:0 25px 70px rgba(14,26,29,.22)}.recommended>em{position:absolute;right:18px;top:16px;color:var(--cyan);font-size:9px;letter-spacing:2px;font-style:normal}.recommended small,.recommended p{color:#82928f}.recommended strong{font-size:43px;color:var(--cyan)}.recommended strong b{font-size:11px;color:#82928f}.recommended a{background:var(--cyan);border-color:var(--cyan);color:#061111;font-weight:700}
.download{margin:0 max(5vw,28px);padding:70px;display:flex;align-items:center;justify-content:space-between;gap:40px;background:linear-gradient(120deg,#0b272c,#135a5c);border:1px solid rgba(112,240,211,.18)}.download small{color:var(--cyan);letter-spacing:2px}.download h2{font-size:clamp(30px,3vw,48px);max-width:760px;margin:14px 0}.download p{color:#a5b8b5;line-height:1.7;max-width:720px}.button.light{background:#f3f3eb;color:#0b1719;min-width:230px}.contact{display:flex;align-items:center;justify-content:space-between;gap:60px}.contact>div>small{color:var(--cyan);letter-spacing:2px}.contact-card{min-width:330px;padding:34px;border:1px solid var(--line);background:#0b171a}.contact-card span{font-size:11px;color:#71827f}.contact-card strong{display:block;font-size:29px;color:var(--cyan);margin:15px 0 10px}.contact-card p{font-size:11px;color:#71827f;margin:0}footer{min-height:130px;padding:30px max(5vw,28px);border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;color:#657572;font-size:11px}footer>div{display:flex;gap:24px}footer a:hover{color:var(--cyan)}
.studio-shell{min-height:100vh;padding:40px max(4vw,24px)}.studio-header{max-width:1180px;margin:0 auto 30px;display:flex;align-items:center;justify-content:space-between}.studio-header h1{font-size:34px;letter-spacing:-1px;margin:12px 0 0}.studio-header p{color:#82918e}.studio-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:420px 1fr;gap:22px}.studio-panel{border:1px solid var(--line);background:#0c191d;padding:26px}.studio-panel h2{margin:0 0 20px;font-size:19px}.upload-form{display:grid;gap:15px}.upload-form label{display:grid;gap:7px;color:#98a6a4;font-size:11px}.upload-form input,.upload-form textarea,.upload-form select{width:100%;border:1px solid rgba(255,255,255,.14);background:#071114;color:#e9f1ef;padding:12px}.upload-form textarea{min-height:95px}.upload-form button{border:0;padding:14px;background:var(--cyan);font-weight:700}.form-note,.form-message{font-size:11px;line-height:1.6;color:#758581}.form-message{color:var(--cyan)}.asset-list{display:grid;gap:10px}.asset-row{display:grid;grid-template-columns:70px 1fr auto;gap:14px;align-items:center;padding:11px;border:1px solid rgba(255,255,255,.08)}.asset-row img,.asset-row video{width:70px;height:52px;object-fit:cover}.asset-row strong,.asset-row small{display:block;font-size:12px}.asset-row small{color:#71817e}.asset-row button{border:1px solid rgba(255,255,255,.15);background:transparent;color:#dc8f82;padding:8px}.empty-state{max-width:1180px;margin:auto;color:#7c8c89;padding:50px 20px;text-align:center;border:1px dashed rgba(255,255,255,.12)}
@media(max-width:1100px){.site-header nav{display:none}.hero{grid-template-columns:1fr}.product-stage{min-width:0;transform:none}.workflow,.pricing{grid-template-columns:1fr}.media-grid{grid-template-columns:repeat(2,1fr)}.feature-grid{grid-template-columns:repeat(2,1fr)}.studio-grid{grid-template-columns:1fr}}@media(max-width:700px){.site-header{height:66px;padding-inline:18px}.header-cta{font-size:10px;padding:9px}.brand small{display:none}.hero{min-height:auto;padding:70px 20px 80px}.hero h1{font-size:45px;letter-spacing:-2px}.hero-lead{font-size:14px}.hero-proof{flex-direction:column;align-items:flex-start;gap:8px}.hero-proof i{display:none}.stage-body{grid-template-columns:1fr}.stage-body aside,.agent-panel{display:none}.stage-main{padding:13px}.stage-grid{grid-template-columns:1fr}.stage-preview{height:230px}.light-section,.dark-section,.features,.pricing,.contact{padding:85px 20px}.step-list article{grid-template-columns:34px 1fr 24px}.step-list article p{grid-column:2/4;margin:0}.section-head{align-items:flex-start;flex-direction:column;gap:10px}.media-grid,.feature-grid,.price-grid{grid-template-columns:1fr}.media-card.wide{grid-column:auto}.visual,.wide .visual{height:260px}.recommended{min-height:390px!important}.download{margin:0 20px;padding:40px 25px;flex-direction:column;align-items:flex-start}.contact{flex-direction:column;align-items:flex-start}.contact-card{min-width:0;width:100%}footer{align-items:flex-start;flex-direction:column;gap:25px}.studio-header{align-items:flex-start;flex-direction:column;gap:15px}}

/* 2026 visual refinement: clearer Chinese typography, cinematic depth and lightweight motion */
body{
  background:
    radial-gradient(circle at 12% 8%,rgba(31,94,99,.18),transparent 28rem),
    linear-gradient(180deg,#081215 0%,#061013 58%,#091417 100%);
  color:#f4f8f6;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}
.site-header{background:rgba(6,15,18,.94);box-shadow:0 14px 50px rgba(0,0,0,.22)}
.hero{
  min-height:720px;
  grid-template-columns:minmax(0,.92fr) minmax(520px,1.08fr);
  gap:clamp(42px,5vw,88px);
  padding-top:88px;
  background:
    radial-gradient(circle at 82% 22%,rgba(26,103,110,.42),transparent 32rem),
    radial-gradient(circle at 17% 70%,rgba(112,240,211,.08),transparent 28rem),
    linear-gradient(135deg,#071114 0%,#08171a 55%,#061013 100%);
}
.hero:before{
  content:"";
  position:absolute;
  width:420px;height:420px;
  left:-180px;top:90px;
  border:1px solid rgba(112,240,211,.16);
  border-radius:50%;
  box-shadow:0 0 120px rgba(112,240,211,.09),inset 0 0 70px rgba(112,240,211,.05);
  animation:orb-drift 12s ease-in-out infinite alternate;
}
.hero-copy{max-width:720px}
h1{
  font-size:clamp(48px,4.6vw,74px);
  line-height:1.12;
  letter-spacing:-2.8px;
  margin:24px 0 26px;
  text-wrap:balance;
  word-break:keep-all;
}
h1 em{
  display:inline-block;
  margin-top:8px;
  color:#8ff6df;
  -webkit-text-stroke:0;
  text-shadow:0 0 32px rgba(112,240,211,.2);
}
.hero-lead{max-width:680px;color:#d3dfdc;font-size:16px;line-height:1.85}
.hero-proof{color:#a9bab6}.hero-proof b{color:#f6fbf9}
.product-stage{
  min-width:0;
  width:100%;
  max-width:830px;
  justify-self:end;
  border-color:rgba(139,246,222,.24);
  box-shadow:0 40px 110px rgba(0,0,0,.55),0 0 60px rgba(35,126,128,.12);
  animation:stage-float 7s ease-in-out infinite;
}
.stage-top em:before{content:"";display:inline-block;width:6px;height:6px;margin-right:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);animation:status-pulse 1.8s ease-in-out infinite}
.stage-preview img{animation:slow-zoom 12s ease-in-out infinite alternate}
.stage-preview>span{animation:play-pulse 2.4s ease-in-out infinite}
.timeline span{transform-origin:left center;animation:timeline-flow 3.2s ease-in-out infinite}
.timeline span:nth-child(2){animation-delay:.25s}.timeline span:nth-child(3){animation-delay:.5s}.timeline span:nth-child(4){animation-delay:.75s}.timeline span:nth-child(5){animation-delay:1s}.timeline span:nth-child(6){animation-delay:1.25s}.timeline span:nth-child(7){animation-delay:1.5s}
.signal{overflow:hidden;white-space:nowrap;padding:23px 0;color:#8ba09b}
.signal span{display:inline-block;min-width:max-content;padding-left:5vw;animation:signal-marquee 28s linear infinite}
.section-copy h2,.section-head h2,.pricing h2,.contact h2{
  font-size:clamp(38px,3.7vw,58px);
  line-height:1.16;
  letter-spacing:-1.8px;
  text-wrap:balance;
  word-break:keep-all;
}
.workflow{grid-template-columns:minmax(360px,.82fr) minmax(0,1.18fr);gap:clamp(50px,7vw,110px)}
.workflow .section-copy{max-width:570px}
.section-copy p,.section-head p,.pricing-copy>p{font-size:14px;line-height:1.9}
.dark-section .section-head p,.features .section-copy p{color:#b4c2bf}
.step-list article{grid-template-columns:52px minmax(150px,190px) 1fr 28px;padding-inline:20px}
.media-card{transition:transform .35s ease,border-color .35s ease,box-shadow .35s ease}
.media-card:hover{transform:translateY(-7px);border-color:rgba(112,240,211,.38);box-shadow:0 22px 55px rgba(0,0,0,.28)}
.visual:after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(120deg,transparent 35%,rgba(112,240,211,.12) 50%,transparent 65%);transform:translateX(-120%);animation:frame-scan 7s ease-in-out infinite}
.media-copy p,.final-card p,.feature-grid p{color:#a8b7b4}
.feature-grid article{background:linear-gradient(180deg,rgba(255,255,255,.012),transparent)}
.price-grid article{background:rgba(255,255,255,.28);backdrop-filter:blur(8px)}
.contact-card{box-shadow:0 24px 70px rgba(0,0,0,.2)}

@keyframes orb-drift{to{transform:translate(90px,70px) scale(1.12);opacity:.65}}
@keyframes stage-float{0%,100%{transform:perspective(1200px) rotateY(-3deg) translateY(0)}50%{transform:perspective(1200px) rotateY(-2deg) translateY(-10px)}}
@keyframes status-pulse{50%{opacity:.35;transform:scale(.75)}}
@keyframes slow-zoom{to{transform:scale(1.07)}}
@keyframes play-pulse{0%,100%{box-shadow:0 0 0 0 rgba(112,240,211,.25)}50%{box-shadow:0 0 0 13px rgba(112,240,211,0)}}
@keyframes timeline-flow{0%,100%{opacity:.45;transform:scaleX(.45)}50%{opacity:1;transform:scaleX(1)}}
@keyframes signal-marquee{to{transform:translateX(-50%)}}
@keyframes frame-scan{0%,55%{transform:translateX(-120%)}85%,100%{transform:translateX(120%)}}

@media(max-width:1200px){
  .hero{grid-template-columns:1fr;padding-top:76px}
  .hero-copy{max-width:820px}
  .product-stage{justify-self:stretch;max-width:900px;animation:none;transform:none}
  .workflow,.pricing{grid-template-columns:1fr}
  .workflow .section-copy{max-width:780px}
}
@media(max-width:760px){
  h1{font-size:clamp(40px,12vw,56px);line-height:1.1;letter-spacing:-2px}
  h1 em{margin-top:10px}
  .hero{padding-top:62px;gap:45px}
  .hero-lead{font-size:15px}
  .section-copy h2,.section-head h2,.pricing h2,.contact h2{font-size:clamp(34px,10vw,48px);letter-spacing:-1px}
  .step-list article{grid-template-columns:38px 1fr 24px}
}
@media(prefers-reduced-motion:reduce){
  *,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important}
}