:root{
  --bg:#050a1a;--text:#f4f7ff;--muted:#92a0c5;--line:rgba(133,165,255,.18);
  --cyan:#53f2ff;--blue:#5c7dff;--violet:#c95dff;--ease:cubic-bezier(.22,.75,.2,1);
  --mx:50%;--my:50%;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  background:
    radial-gradient(ellipse 90% 60% at 20% -10%,#16306a 0%,transparent 55%),
    radial-gradient(ellipse 70% 50% at 95% 15%,#2a1460 0%,transparent 50%),
    radial-gradient(ellipse 80% 45% at 50% 110%,#0a2048 0%,transparent 55%),
    #050a1a;
  color:var(--text);overflow-x:hidden;
}
body.modal-open,body.is-racing{overflow:hidden}
.page-veil{
  position:fixed;inset:0;z-index:80;pointer-events:none;opacity:0;
  background:radial-gradient(circle at 50% 40%,rgba(60,120,255,.25),rgba(3,6,18,.9) 62%);
  transition:opacity .45s var(--ease);
}
.page-veil.on{opacity:1}

/* 深空动态氛围：极光带 + 星点 + 慢漂移色晕（仅 opacity/transform，不卡顿） */
.neon-nebula{
  position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden;
}
.nebula-glow{position:absolute;border-radius:50%}
.nebula-1{
  width:620px;height:620px;left:-12%;top:0;
  background:radial-gradient(circle,rgba(90,70,255,.38) 0,rgba(42,100,255,.12) 45%,transparent 70%);
  animation:auroraA 24s ease-in-out infinite alternate;
}
.nebula-2{
  width:520px;height:520px;right:-8%;top:18%;
  background:radial-gradient(circle,rgba(0,220,255,.32) 0,rgba(60,120,255,.1) 45%,transparent 70%);
  animation:auroraB 20s ease-in-out infinite alternate;
}
.nebula-3{
  width:680px;height:460px;left:22%;bottom:-14%;
  background:radial-gradient(circle,rgba(200,60,255,.28) 0,rgba(100,50,200,.1) 50%,transparent 70%);
  animation:auroraC 28s ease-in-out infinite alternate;
}
.aurora-band{
  position:absolute;left:-20%;width:140%;height:180px;opacity:.18;
  background:linear-gradient(90deg,transparent,rgba(83,242,255,.55),rgba(130,90,255,.45),rgba(255,80,200,.25),transparent);
  filter:none;transform:rotate(-8deg);
  animation:auroraSweep 16s ease-in-out infinite alternate;
}
.aurora-band.b2{
  top:auto;bottom:18%;opacity:.12;transform:rotate(6deg);
  background:linear-gradient(90deg,transparent,rgba(120,80,255,.5),rgba(0,220,255,.4),transparent);
  animation-duration:22s;animation-direction:alternate-reverse;
}
.star-field{
  position:absolute;inset:0;
  background-image:
    radial-gradient(1.5px 1.5px at 8% 12%,rgba(255,255,255,.7),transparent),
    radial-gradient(1px 1px at 22% 38%,rgba(180,220,255,.65),transparent),
    radial-gradient(1.5px 1.5px at 48% 18%,rgba(255,255,255,.55),transparent),
    radial-gradient(1px 1px at 72% 28%,rgba(160,200,255,.6),transparent),
    radial-gradient(1.5px 1.5px at 88% 14%,rgba(255,255,255,.5),transparent),
    radial-gradient(1px 1px at 15% 72%,rgba(200,180,255,.55),transparent),
    radial-gradient(1px 1px at 38% 64%,rgba(255,255,255,.45),transparent),
    radial-gradient(1.5px 1.5px at 62% 78%,rgba(160,230,255,.55),transparent),
    radial-gradient(1px 1px at 84% 68%,rgba(255,255,255,.4),transparent),
    radial-gradient(1px 1px at 55% 42%,rgba(200,220,255,.5),transparent);
  animation:starTwinkle 7s ease-in-out infinite alternate;
}
@keyframes auroraA{
  0%{transform:translate(0,0) scale(1);opacity:.85}
  100%{transform:translate(40px,30px) scale(1.08);opacity:1}
}
@keyframes auroraB{
  0%{transform:translate(0,0) scale(1);opacity:.75}
  100%{transform:translate(-35px,40px) scale(1.1);opacity:1}
}
@keyframes auroraC{
  0%{transform:translate(0,0);opacity:.7}
  100%{transform:translate(-25px,-35px);opacity:.95}
}
@keyframes auroraSweep{
  0%{transform:rotate(-8deg) translateY(0);opacity:.12}
  100%{transform:rotate(-6deg) translateY(-30px);opacity:.22}
}
@keyframes starTwinkle{
  0%{opacity:.45}
  100%{opacity:.9}
}

.loader{
  position:fixed;inset:0;z-index:100;display:grid;place-items:center;
  align-content:center;gap:28px;background:#030814;
  transition:opacity .7s ease,visibility .7s;
}
.loader.done{opacity:0;visibility:hidden;pointer-events:none}
.loader-atmosphere{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.loader-orb{
  position:absolute;border-radius:50%;
}
.loader-orb.o1{
  width:420px;height:420px;left:50%;top:42%;transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(90,70,255,.28),transparent 68%);
  animation:loaderPulse 3.2s ease-in-out infinite;
}
.loader-orb.o2{
  width:280px;height:280px;left:18%;top:18%;
  background:radial-gradient(circle,rgba(0,220,255,.18),transparent 70%);
  animation:loaderDrift 8s ease-in-out infinite alternate;
}
.loader-orb.o3{
  width:320px;height:320px;right:10%;bottom:12%;
  background:radial-gradient(circle,rgba(220,60,255,.16),transparent 70%);
  animation:loaderDrift 10s ease-in-out infinite alternate-reverse;
}
.loader-grid{
  position:absolute;inset:0;opacity:.16;
  background-image:
    linear-gradient(rgba(120,170,255,.12) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,170,255,.12) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 45%,#000 20%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 50% 45%,#000 20%,transparent 72%);
}
.loader-spark{
  position:absolute;width:6px;height:6px;border-radius:50%;
  background:#fff;box-shadow:0 0 12px #53f2ff,0 0 24px rgba(180,100,255,.6);
  animation:loaderSpark 2.4s ease-in-out infinite;
}
.loader-spark.s1{left:18%;top:28%;animation-delay:0s}
.loader-spark.s2{right:20%;top:24%;animation-delay:.4s;background:#c9a0ff}
.loader-spark.s3{left:24%;bottom:22%;animation-delay:.8s}
.loader-spark.s4{right:18%;bottom:26%;animation-delay:1.2s;background:#7be6ff}

.loader-stage{
  position:relative;z-index:1;width:min(320px,72vw);aspect-ratio:1;
  display:grid;place-items:center;
}
.loader-particles{
  position:absolute;inset:-18%;width:136%;height:136%;pointer-events:none;
}
.loader-ring{
  position:absolute;border-radius:50%;border:1px solid transparent;
  pointer-events:none;
}
.loader-ring.r-outer{
  width:92%;height:92%;
  border-color:rgba(83,242,255,.2);
  box-shadow:0 0 30px rgba(83,242,255,.08),inset 0 0 30px rgba(120,80,255,.06);
  animation:loaderSpin 12s linear infinite;
}
.loader-ring.r-mid{
  width:74%;height:74%;
  border-color:rgba(180,100,255,.22);
  border-style:dashed;
  animation:loaderSpin 8s linear infinite reverse;
}
.loader-ring.r-inner{
  width:58%;height:58%;
  border-color:rgba(0,220,255,.18);
  animation:loaderSpin 5.5s linear infinite;
}
.loader-logo{
  position:relative;z-index:2;width:168px;height:140px;
  display:flex;align-items:center;justify-content:center;
  animation:loaderLogoFloat 3s ease-in-out infinite;
}
.loader-logo .brand-dynamic-logo{
  width:168px;height:140px;
  filter:drop-shadow(0 0 18px rgba(0,243,255,.55)) drop-shadow(0 0 36px rgba(121,58,255,.4));
}

.loader-brand{
  position:relative;z-index:1;display:grid;justify-items:center;gap:10px;text-align:center;
}
.loader-name{
  font-weight:800;letter-spacing:.28em;font-size:clamp(18px,3.2vw,24px);color:#eaf2ff;
  text-indent:.28em;
}
.loader-en{
  font-size:11px;letter-spacing:.42em;color:#7f93c0;font-weight:600;
}
.loader-bar{
  width:min(220px,56vw);height:3px;margin-top:8px;border-radius:999px;
  background:rgba(133,165,255,.15);overflow:hidden;
}
.loader-bar i{
  display:block;height:100%;width:0;border-radius:inherit;
  background:linear-gradient(90deg,#53f2ff,#7a5cff,#df3bff);
  box-shadow:0 0 12px rgba(83,242,255,.55);
  animation:loaderProgress 2.8s cubic-bezier(.22,.75,.2,1) forwards;
}
.loader-tip{
  margin:4px 0 0;font-size:12px;color:#7a8db8;letter-spacing:.08em;
}

@keyframes loaderPulse{
  0%,100%{opacity:.7;transform:translate(-50%,-50%) scale(1)}
  50%{opacity:1;transform:translate(-50%,-50%) scale(1.08)}
}
@keyframes loaderDrift{
  0%{transform:translate(0,0)}
  100%{transform:translate(24px,18px)}
}
@keyframes loaderSpark{
  0%,100%{opacity:.25;transform:scale(.7)}
  50%{opacity:1;transform:scale(1.2)}
}
@keyframes loaderSpin{to{transform:rotate(360deg)}}
@keyframes loaderLogoFloat{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-8px)}
}
@keyframes loaderProgress{
  0%{width:0}
  70%{width:86%}
  100%{width:100%}
}

@media (max-width:560px){
  .loader-logo,.loader-logo .brand-dynamic-logo{width:128px;height:108px}
  .loader-stage{width:min(260px,78vw)}
}

#particles{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.7}
#cursor{position:fixed;width:10px;height:10px;background:#fff;border-radius:50%;z-index:12;pointer-events:none;mix-blend-mode:screen;transform:translate(-50%,-50%)}
#cursorGlow{position:fixed;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(89,213,255,.1),transparent 65%);z-index:1;pointer-events:none;transform:translate(-50%,-50%)}

.nav,main,footer,.modal{position:relative;z-index:2}
.nav{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);z-index:40;
  width:min(1180px,calc(100% - 32px));display:flex;align-items:center;justify-content:space-between;
  padding:10px 18px 10px 14px;border:1px solid var(--line);border-radius:18px;
  background:rgba(5,11,31,.88);
  box-shadow:0 20px 60px rgba(0,0,0,.35);
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text);cursor:pointer}
.brand-icon-wrap{
  position:relative;width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  flex-shrink:0;background:transparent;
}
.brand-dynamic-logo{
  width:46px;height:38px;overflow:visible;
  filter:drop-shadow(0 0 8px rgba(0,243,255,.35));
  transition:transform .35s var(--ease);
}
.brand:hover .brand-dynamic-logo{
  transform:scale(1.08);
}
.loader-logo .brand-dynamic-logo{
  width:168px;height:140px;
  filter:drop-shadow(0 0 18px rgba(0,243,255,.55)) drop-shadow(0 0 36px rgba(121,58,255,.4));
}
.footer-logo .brand-dynamic-logo{
  width:44px;height:36px;
}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-name{font-weight:800;font-size:18px;letter-spacing:1.2px;color:#fff}
.brand-en{font-size:8.5px;letter-spacing:2.5px;color:#8ba2df;margin-top:4px;font-weight:600}

/* Logo 内部微动画 */
.logo-orbit-front{
  animation:logoPulseOrbit 3.8s ease-in-out infinite alternate;
}
.logo-orbit-back{
  animation:logoPulseBack 3.8s ease-in-out infinite alternate;
}
.logo-core-star{
  transform-origin:center;
  animation:logoStarTwinkle 5s ease-in-out infinite;
}
.logo-sparkle{
  animation:logoSparkle 2.6s ease-in-out infinite;
}
@keyframes logoPulseOrbit{
  0%{opacity:.85}
  100%{opacity:1}
}
@keyframes logoPulseBack{
  0%{opacity:.45}
  100%{opacity:.7}
}
@keyframes logoStarTwinkle{
  0%,100%{opacity:1}
  50%{opacity:.88}
}
@keyframes logoSparkle{
  0%,100%{opacity:.4}
  50%{opacity:1}
}
.nav nav{display:flex;gap:28px}
.nav nav a{color:#afbad8;text-decoration:none;font-size:13px;transition:.35s}
.nav nav a:hover{color:#fff}
.nav-cta,.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;border:0;border-radius:999px;
  text-decoration:none;cursor:pointer;font:inherit;color:#fff;position:relative;
  transition:transform .35s,box-shadow .35s,background .35s;
}
.nav-cta{padding:10px 15px;background:linear-gradient(90deg,#4769ff,#9b59ff);font-size:12px;box-shadow:0 8px 28px rgba(86,96,255,.35)}
.btn{padding:14px 20px;font-size:13px}
.btn.primary{background:linear-gradient(90deg,#2f9cff,#715fff,#c35aff);box-shadow:0 16px 42px rgba(72,96,255,.32)}
.btn.ghost{border:1px solid var(--line);background:rgba(255,255,255,.035);color:#fff}
.menu-btn{display:none;background:transparent;border:0;color:#fff;font-size:22px;cursor:pointer}

/* 蓝光环绕 */
.race-btn{overflow:hidden;isolation:isolate}
.race-btn .race-label{position:relative;z-index:2}
.race-btn .race-light{
  position:absolute;inset:-2px;border-radius:inherit;padding:2px;opacity:0;pointer-events:none;
  background:conic-gradient(from var(--race-angle,0deg),transparent 0 300deg,#53f2ff 330deg,#9ecbff 350deg,transparent 360deg);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
}
.race-btn.is-racing .race-light{opacity:1;animation:raceSpin .85s linear forwards}
@keyframes raceSpin{from{--race-angle:0deg}to{--race-angle:360deg}}
@property --race-angle{syntax:"<angle>";inherits:false;initial-value:0deg}

.section-pad{width:min(1180px,calc(100% - 32px));margin:auto;padding:120px 0}
.hero{min-height:100vh;padding-top:180px;display:grid;grid-template-columns:1.02fr 1fr;align-items:center;gap:40px}
.eyebrow,.kicker{font-size:11px;letter-spacing:2.4px;color:#8fa6dc}
.eyebrow{display:inline-flex;align-items:center;gap:10px;padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:rgba(38,62,118,.22)}
.pulse-dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 18px var(--cyan);animation:pulse 1.8s infinite}
.hero h1{font-size:clamp(42px,7vw,92px);line-height:1.05;letter-spacing:-.04em;margin:28px 0 26px;font-weight:800;color:var(--text)}
.hero h1 em,.section-head h2 span,.contact-card h2 span{
  font-style:normal;background:linear-gradient(90deg,#55efff,#7187ff 50%,#d75bff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p{max-width:560px;font-size:16px;line-height:1.9;color:#a9b4d1;margin:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:56px}
.metrics div{padding-top:20px;border-top:1px solid var(--line)}
.metrics b{font-size:28px;color:var(--text)}
.metrics span{font-size:11px;color:#7f90ba}

.hero-visual{
  height:660px;position:relative;display:grid;place-items:center;
  perspective:1200px;touch-action:none;user-select:none;
}
.avatar-particles-canvas{
  position:absolute;inset:-30px;width:calc(100% + 60px);height:calc(100% + 60px);
  pointer-events:none;z-index:1;
}
.robot-glow{
  position:absolute;width:min(520px,94%);aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,rgba(83,242,255,.16) 0,rgba(130,80,255,.1) 40%,transparent 70%);
  pointer-events:none;z-index:0;
}
.hero-orbit{position:absolute;border:1px solid rgba(94,181,255,.24);border-radius:50%;pointer-events:none;z-index:1}
.orbit-a{width:min(540px,96%);height:180px;transform:rotate(-15deg);opacity:.55}
.orbit-b{width:min(420px,78%);height:140px;transform:rotate(50deg);opacity:.3}

.robot-rig{
  position:relative;z-index:2;width:min(540px,94%);aspect-ratio:1;
  display:grid;place-items:center;
}
.avatar-figure{
  position:relative;width:100%;height:100%;
  animation:livingBreath 7s ease-in-out infinite;
  -webkit-mask-image:radial-gradient(ellipse 50% 50% at 50% 46%,#000 42%,transparent 98%);
  mask-image:radial-gradient(ellipse 50% 50% at 50% 46%,#000 42%,transparent 98%);
}
@keyframes livingBreath{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-6px)}
}

.avatar-img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:contain;
  pointer-events:none;user-select:none;
  transition:opacity .55s var(--ease);
}
.avatar-img.is-front{opacity:1;transform:scale(1)}
.avatar-img.is-side{opacity:0;transform:scale(.96) rotateY(-8deg)}
.robot-rig.is-side .avatar-img.is-front{opacity:0;transform:scale(1.04) rotateY(8deg)}
.robot-rig.is-side .avatar-img.is-side{opacity:1;transform:scale(1) rotateY(0)}

.avatar-bottom-blend{
  position:absolute;bottom:0;left:0;right:0;height:140px;
  background:radial-gradient(ellipse at 50% 100%,var(--bg) 25%,transparent 72%),linear-gradient(to bottom,transparent,var(--bg) 95%);
  pointer-events:none;z-index:4;
}

/* 融入界面的星澜全息光环与数据节点 */
.robot-holo{position:absolute;inset:4% 6% 2%;pointer-events:none;z-index:1}
.holo-ring{
  position:absolute;left:50%;top:50%;border:1px solid rgba(70,140,255,.28);
  border-radius:50%;transform:translate(-50%,-50%) rotateX(68deg);
  box-shadow:0 0 16px rgba(90,150,255,.12);
}
.holo-ring.r1{width:94%;height:32%;opacity:.75}
.holo-ring.r2{width:74%;height:22%;opacity:.4}
.holo-scan{
  position:absolute;left:10%;right:10%;top:16%;height:64%;
  background:linear-gradient(180deg,transparent,rgba(90,150,255,.06),transparent);
  border-radius:40%;
}
.holo-core{
  position:absolute;left:50%;top:56%;width:12px;height:12px;border-radius:50%;
  transform:translate(-50%,-50%);
  background:radial-gradient(circle,#fff 0,#4db8ff 45%,transparent 70%);
  box-shadow:0 0 18px rgba(70,160,255,.45);
  animation:pulse 2s ease-in-out infinite;
}
@keyframes holoSpin{to{transform:translate(-50%,-50%) rotateX(68deg) rotateZ(360deg)}}
@keyframes holoScan{0%,100%{transform:translateY(-15%);opacity:.25}50%{transform:translateY(20%);opacity:.75}}

.robot-node{
  position:absolute;z-index:5;width:20px;height:20px;padding:0;border:0;border-radius:50%;
  background:transparent;cursor:pointer;outline:none;
}
.robot-node i{
  display:block;width:12px;height:12px;margin:4px;border-radius:50%;
  background:radial-gradient(circle,#fff,#53c8ff 45%,#3a7dff);
  box-shadow:0 0 0 3px rgba(70,150,255,.2),0 0 12px rgba(70,160,255,.4);
  animation:pulse 2s ease-in-out infinite;
}
.robot-node.n1{top:24%;left:22%}
.robot-node.n2{top:50%;right:18%}
.robot-node.n3{bottom:26%;left:36%}
.robot-tip{
  position:absolute;z-index:6;left:50%;bottom:6%;transform:translateX(-50%);
  padding:8px 14px;border-radius:10px;border:1px solid rgba(83,242,255,.35);
  background:rgba(6,14,36,.92);color:#d7e7ff;font-size:12px;white-space:nowrap;
  box-shadow:0 12px 40px rgba(0,0,0,.4);pointer-events:none;
}
.robot-controls{
  position:absolute;z-index:7;left:50%;bottom:8px;transform:translateX(-50%);
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:center;
}
.robot-pose-btn{padding:10px 16px;font-size:12px}
.robot-hint{font-size:11px;color:#7f93c0;letter-spacing:.04em}

.glass-chip{
  position:absolute;padding:10px 12px;border:1px solid var(--line);border-radius:12px;
  background:rgba(8,18,43,.82);font-size:10px;letter-spacing:1.2px;color:#d5ddf7;
  box-shadow:0 12px 40px rgba(0,0,0,.18);z-index:3;pointer-events:none;
}
.glass-chip span{color:var(--cyan);margin-left:8px}
.chip-a{top:12%;left:4%}.chip-b{top:36%;right:2%}.chip-c{bottom:17%;left:15%}

.intro{padding-top:80px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:40px;flex-wrap:wrap}
.section-head h2{font-size:clamp(32px,5vw,64px);line-height:1.1;letter-spacing:-.03em;margin:18px 0 0;font-weight:800;color:var(--text)}
.section-head p,.sub{max-width:540px;color:#93a1c0;line-height:1.8;margin:0}
.sub{margin-top:14px}
.core-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:52px}
.feature-card{
  position:relative;min-height:280px;padding:28px;border:1px solid var(--line);border-radius:26px;
  background:linear-gradient(180deg,rgba(12,29,65,.78),rgba(6,14,32,.82));overflow:hidden;
  transition:box-shadow .35s,border-color .35s,transform .25s;
}
.feature-card:before{content:"";position:absolute;width:200px;height:200px;right:-50px;top:-50px;border-radius:50%;background:radial-gradient(circle,rgba(79,195,255,.16),transparent 65%)}
.feature-card:hover{border-color:rgba(106,172,255,.48);box-shadow:0 24px 80px rgba(0,0,0,.24)}
.icon{font-size:28px;color:var(--cyan)}
.feature-card h3{font-size:22px;margin:46px 0 12px;color:var(--text)}
.feature-card p{color:#8f9dbd;line-height:1.8;margin:0;font-size:14px}
.feature-card strong{position:absolute;right:24px;bottom:20px;color:#4a679e;font-size:48px}

.filters{display:flex;gap:8px;flex-wrap:wrap}
.filters button{
  background:transparent;border:1px solid var(--line);color:#8392b6;border-radius:999px;
  padding:8px 12px;font-size:12px;cursor:pointer;transition:.3s;font:inherit;
}
.filters button.active,.filters button:hover{color:#fff;border-color:rgba(102,180,255,.55);background:rgba(64,124,255,.13)}
.project-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:48px}
.project-card{border:1px solid var(--line);border-radius:28px;overflow:hidden;background:#07132b;transition:box-shadow .4s,border-color .4s;cursor:pointer;padding:0;width:100%;text-align:left;color:inherit;font:inherit}
.project-card:hover{box-shadow:0 28px 90px rgba(0,0,0,.3);border-color:rgba(101,176,255,.4)}
.project-media{position:relative;overflow:hidden;background:#06102b;aspect-ratio:16/10}
.project-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .7s cubic-bezier(.2,.8,.2,1),filter .7s}
.project-card:hover .project-media img{transform:scale(1.035);filter:saturate(1.12) contrast(1.03)}
.project-scan{display:none}
.project-num{position:absolute;top:18px;right:20px;font-size:12px;letter-spacing:2px;color:#aec8ff;background:rgba(5,13,34,.45);padding:7px 9px;border-radius:9px;border:1px solid rgba(255,255,255,.1)}
.project-info{padding:22px;display:flex;justify-content:space-between;gap:20px}
.project-tag{font-size:11px;color:#5beeff;letter-spacing:.08em}
.project-info h3{font-size:20px;margin:8px 0}
.project-info p{color:#8695b7;font-size:13px;margin:0;line-height:1.6}
.project-foot{display:flex;flex-direction:column;justify-content:space-between;align-items:flex-end}
.project-foot b{font-size:12px;color:#b8c6e6;white-space:nowrap}
.project-foot span{font-size:11px;color:#63baff;white-space:nowrap}

/* 动效实验室 */
.fx-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:40px}
.fx-card{
  border:1px solid var(--line);border-radius:22px;padding:0;overflow:hidden;cursor:pointer;
  background:linear-gradient(160deg,rgba(12,29,65,.78),rgba(6,14,32,.88));
  color:inherit;font:inherit;text-align:left;transition:border-color .3s,transform .3s,box-shadow .3s;
}
.fx-card:hover{border-color:rgba(101,176,255,.45);transform:translateY(-3px);box-shadow:0 18px 50px rgba(0,0,0,.28)}
.fx-thumb{
  position:relative;height:120px;display:grid;place-items:center;overflow:hidden;
  background:radial-gradient(circle at 50% 40%,rgba(70,130,255,.18),rgba(5,12,28,.9));
}
.fx-thumb-dot{width:14px;height:14px;border-radius:50%;background:var(--cyan);box-shadow:0 0 18px var(--cyan)}
.fx-card-body{padding:16px 18px 18px}
.fx-card-body span{font-size:11px;color:#5beeff;letter-spacing:.08em}
.fx-card-body h3{margin:8px 0 6px;font-size:17px}
.fx-card-body p{margin:0;color:#8695b7;font-size:12px;line-height:1.6}
.fx-card-body em{display:inline-block;margin-top:12px;font-style:normal;font-size:12px;color:#9ecbff}

.fx-modal{position:fixed;inset:0;z-index:60;display:grid;place-items:center;padding:20px;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .3s,visibility .3s}
.fx-modal.open{opacity:1;visibility:visible;pointer-events:auto}
.fx-modal-backdrop{position:absolute;inset:0;background:rgba(2,6,18,.84)}
.fx-modal-panel{
  position:relative;z-index:1;width:min(760px,100%);max-height:min(90vh,820px);overflow:auto;
  border-radius:24px;border:1px solid rgba(133,165,255,.28);
  background:linear-gradient(160deg,#0a1736,#070e22);box-shadow:0 40px 120px rgba(0,0,0,.55);
  transform:translateY(20px) scale(.97);opacity:0;transition:transform .35s var(--ease),opacity .35s;
}
.fx-modal.open .fx-modal-panel{transform:none;opacity:1}
.fx-stage{
  min-height:280px;display:grid;place-items:center;position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 50% 40%,rgba(70,130,255,.2),transparent 50%),
    linear-gradient(180deg,#07122e,#050a18);
  border-bottom:1px solid var(--line);
}
.fx-meta{padding:24px 26px 28px}
.fx-meta h3{margin:10px 0 10px;font-size:24px}
.fx-meta p{margin:0;color:var(--muted);line-height:1.75}
.fx-meta-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}

/* —— 实时演示样式 —— */
.fx-demo{position:relative;width:min(420px,86%);min-height:140px;display:grid;place-items:center}
.fx-demo-box{
  width:160px;height:96px;border-radius:18px;border:1px solid rgba(133,165,255,.35);
  background:linear-gradient(145deg,rgba(40,80,160,.35),rgba(20,30,60,.8));
  display:grid;place-items:center;color:#dce8ff;font-size:14px;font-weight:700;
}
.fx-demo[data-fx="rise"] .fx-demo-box{animation:fxRise 1.4s var(--ease) infinite}
.fx-demo[data-fx="blur"] .fx-demo-box{animation:fxBlur 1.6s var(--ease) infinite}
.fx-demo[data-fx="scale"] .fx-demo-box{animation:fxScale 1.5s var(--ease) infinite}
.fx-demo[data-fx="glow"] .fx-demo-box{animation:fxGlow 1.8s ease-in-out infinite}
.fx-demo[data-fx="scan"] .fx-demo-box{position:relative;overflow:hidden}
.fx-demo[data-fx="scan"] .fx-demo-box::after{
  content:"";position:absolute;left:0;right:0;height:40%;top:-40%;
  background:linear-gradient(transparent,rgba(94,230,255,.35),transparent);
  animation:fxScan 2s linear infinite;
}
.fx-demo[data-fx="float"] .fx-demo-box{animation:fxFloat 2s ease-in-out infinite}
.fx-demo[data-fx="ripple"] .fx-demo-box{position:relative}
.fx-demo[data-fx="ripple"] .fx-demo-box::before,
.fx-demo[data-fx="ripple"] .fx-demo-box::after{
  content:"";position:absolute;inset:-8px;border-radius:22px;border:1px solid rgba(83,242,255,.5);
  animation:fxRipple 2s ease-out infinite;
}
.fx-demo[data-fx="ripple"] .fx-demo-box::after{animation-delay:1s}
.fx-demo[data-fx="tilt"] .fx-demo-box{animation:fxTilt 2.2s ease-in-out infinite;transform-style:preserve-3d}
.fx-demo[data-fx="magnetic"] .fx-demo-btn{
  padding:12px 22px;border-radius:999px;border:1px solid rgba(133,165,255,.35);
  background:rgba(255,255,255,.04);color:#fff;cursor:pointer;font:inherit;
  transition:transform .2s;
}
.fx-demo[data-fx="race"] .fx-demo-btn{
  position:relative;isolation:isolate;overflow:hidden;padding:12px 22px;border:0;border-radius:999px;
  background:linear-gradient(90deg,#2f9cff,#715fff);color:#fff;font:inherit;cursor:pointer;
}
.fx-demo[data-fx="race"] .fx-demo-btn .race-light{
  position:absolute;inset:-2px;border-radius:inherit;padding:2px;opacity:1;
  background:conic-gradient(from var(--race-angle,0deg),transparent 0 300deg,#53f2ff 330deg,#fff 350deg,transparent 360deg);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  animation:raceSpin 1.2s linear infinite;
}
.fx-demo[data-fx="veil"] .fx-demo-box{animation:fxVeil 2s ease-in-out infinite}
.fx-demo[data-fx="orbit"] .fx-demo-box{position:relative}
.fx-demo[data-fx="orbit"] .fx-orbit-ring{
  position:absolute;width:200px;height:70px;border:1px solid rgba(94,181,255,.5);border-radius:50%;
  animation:orbit 4s linear infinite;
}
.fx-demo[data-fx="particles"]{width:min(460px,90%);height:180px}
.fx-demo[data-fx="particles"] canvas{width:100%;height:100%;display:block}

@keyframes fxRise{0%{opacity:0;transform:translateY(28px)}40%{opacity:1;transform:none}100%{opacity:1;transform:none}}
@keyframes fxBlur{0%{opacity:0;filter:blur(10px);transform:translateY(16px)}45%{opacity:1;filter:none;transform:none}100%{opacity:1;filter:none}}
@keyframes fxScale{0%{opacity:0;transform:scale(.86)}40%{opacity:1;transform:scale(1)}100%{opacity:1;transform:scale(1)}}
@keyframes fxGlow{50%{box-shadow:0 0 40px rgba(83,242,255,.55),0 0 80px rgba(120,80,255,.25);border-color:rgba(83,242,255,.7)}}
@keyframes fxScan{0%{top:-40%}100%{top:120%}}
@keyframes fxFloat{50%{transform:translateY(-14px)}}
@keyframes fxRipple{0%{transform:scale(.92);opacity:.7}100%{transform:scale(1.25);opacity:0}}
@keyframes fxTilt{0%,100%{transform:perspective(600px) rotateX(0) rotateY(-8deg)}50%{transform:perspective(600px) rotateX(6deg) rotateY(10deg)}}
@keyframes fxVeil{0%,100%{opacity:1;filter:brightness(1)}45%{opacity:.25;filter:brightness(1.4)}55%{opacity:.25}70%{opacity:1}}

.contact{padding-top:40px;padding-bottom:90px}
.contact-card{
  position:relative;display:grid;grid-template-columns:1.3fr .7fr auto;gap:30px;align-items:center;
  padding:56px;border-radius:34px;border:1px solid rgba(103,154,255,.28);overflow:hidden;
  background:radial-gradient(circle at 75% 40%,rgba(84,99,255,.18),transparent 26%),linear-gradient(135deg,rgba(9,22,53,.95),rgba(5,10,27,.95));
}
.contact-card h2{font-size:clamp(36px,5vw,64px);margin:18px 0;font-weight:800}
.contact-card p{max-width:520px;color:#8a99b9;line-height:1.8}
.contact-orb{height:240px;display:grid;place-items:center;position:relative}
.mini-orb{
  width:110px;height:110px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#fff 0,#79dfff 10%,#5466ff 35%,#161b6e 65%,transparent 67%);
  box-shadow:0 0 55px rgba(83,216,255,.4),0 0 100px rgba(131,76,255,.25);animation:float 4s ease-in-out infinite;
}
.contact-orb:before,.contact-orb:after{
  content:"";position:absolute;border:1px solid rgba(97,214,255,.45);border-radius:50%;
  width:190px;height:74px;transform:rotate(-18deg);animation:orbit 7s linear infinite;
}
.contact-orb:after{width:140px;height:52px;transform:rotate(32deg);animation-direction:reverse}
.contact-orb span{position:absolute;bottom:18px;font-size:10px;letter-spacing:2px;color:#5f9bd6}

footer{
  width:min(1180px,calc(100% - 32px));margin:auto;padding:24px 0 40px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:15px;color:#5e6f96;font-size:11px;flex-wrap:wrap;
}
.footer-brand{transform:scale(.9);transform-origin:left center}

.modal{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:20px;pointer-events:none;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.modal.open{opacity:1;visibility:visible;pointer-events:auto}
.modal-backdrop{position:absolute;inset:0;background:rgba(2,6,18,.82)}
.modal-panel{
  position:relative;z-index:1;width:min(920px,100%);max-height:min(88vh,900px);overflow:auto;
  display:grid;grid-template-columns:1.1fr .9fr;border-radius:24px;border:1px solid rgba(133,165,255,.28);
  background:linear-gradient(160deg,#0a1736,#070e22);box-shadow:0 40px 120px rgba(0,0,0,.55);
  opacity:0;transform:translateY(24px) scale(.96);
}
.modal-panel.in{animation:modalIn .38s var(--ease) forwards}
.modal-panel.out{animation:modalOut .3s var(--ease) forwards}
@keyframes modalIn{to{opacity:1;transform:none}}
@keyframes modalOut{to{opacity:0;transform:translateY(16px) scale(.97)}}
.modal-close{position:absolute;top:12px;right:12px;z-index:2;width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.12);background:rgba(0,0,0,.35);color:#fff;font-size:22px;cursor:pointer}
.modal-media{min-height:260px;background:#06102b;overflow:hidden}
.modal-media img{width:100%;height:100%;object-fit:cover;display:block;min-height:260px}
.modal-body{padding:26px;display:flex;flex-direction:column}
.modal-tag{font-size:11px;letter-spacing:.12em;color:var(--cyan)}
.modal-body h3{margin:10px 0 12px;font-size:24px}
.modal-body p{margin:0;color:var(--muted);line-height:1.75;font-size:14px}
.modal-points{margin:16px 0 0;padding:0;list-style:none;display:grid;gap:8px}
.modal-points li{position:relative;padding-left:16px;color:#c5d0ea;font-size:13px}
.modal-points li::before{content:"";position:absolute;left:0;top:.55em;width:6px;height:6px;border-radius:50%;background:var(--cyan)}
.modal-actions{margin-top:auto;padding-top:22px;display:flex;gap:10px;flex-wrap:wrap}

.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1);transition-delay:var(--delay,0s)}
.reveal.visible{opacity:1;transform:none}
.tilt{will-change:transform}

@keyframes pulse{0%,100%{transform:scale(.8);opacity:.7}50%{transform:scale(1.3);opacity:1}}
@keyframes orbit{to{transform:rotate(360deg)}}
@keyframes scan{0%{transform:translateY(-45%)}100%{transform:translateY(45%)}}
@keyframes float{0%,100%{transform:translateY(-5px)}50%{transform:translateY(12px)}}

@media (max-width:960px){
  .nav{top:10px;width:calc(100% - 20px);padding:10px 12px}
  .nav nav{display:none}
  .nav nav.open{display:flex;position:absolute;top:62px;left:0;right:0;padding:8px;flex-direction:column;gap:0;background:rgba(5,11,31,.96);border:1px solid var(--line);border-radius:16px;max-height:70vh;overflow:auto}
  .nav nav.open a{padding:14px 14px;border-bottom:1px solid rgba(133,165,255,.08)}
  .menu-btn{display:block;min-width:44px;min-height:44px}
  .nav-cta{display:none}
  .section-pad{width:calc(100% - 24px);padding:88px 0}
  .hero{grid-template-columns:1fr;padding-top:120px;min-height:auto;gap:18px}
  .hero-visual{height:auto;min-height:460px;order:-1;width:100%;padding-bottom:56px}
  .robot-rig{width:min(400px,88%)}
  .robot-controls{bottom:4px;width:min(92%,360px)}
  .robot-hint{text-align:center;width:100%}
  .chip-a{top:6%;left:2%}.chip-b{top:18%;right:2%}
  .project-grid{grid-template-columns:1fr}
  .fx-grid{grid-template-columns:1fr 1fr}
  .filters{width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;-webkit-overflow-scrolling:touch}
  .filters button{flex:0 0 auto}
  .contact-card{grid-template-columns:1fr;padding:28px;gap:20px}
  .contact-orb{height:140px;max-width:240px;margin:0 auto}
  .contact-card .btn{width:100%}
  .modal-panel,.fx-modal-panel{grid-template-columns:1fr;width:min(100%,520px);max-height:88vh}
  .modal-media,.modal-media img{min-height:160px}
  .fx-stage{min-height:220px}
  #cursor,#cursorGlow{display:none}
  .chip-c{display:none}
  .metrics{margin-top:36px}
}
@media (max-width:560px){
  .brand-icon-wrap{width:36px;height:36px}
  .brand-dynamic-logo{width:38px;height:32px}
  .brand-name{font-size:16px}
  .brand-en{font-size:7.5px}
  .section-pad{padding:72px 0}
  .hero{padding-top:108px}
  .hero h1{font-size:34px;margin:20px 0 18px}
  .hero p{font-size:14px;line-height:1.75}
  .hero-actions{margin-top:24px}
  .hero-actions .btn{width:100%;justify-content:center}
  .hero-visual{min-height:380px;padding-bottom:60px}
  .robot-rig{width:min(320px,90%)}
  .robot-node{display:none}
  .orbit-a{width:280px}.orbit-b{width:220px}
  .fx-grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr 1fr;gap:10px}
  .metrics b{font-size:22px}
  .project-info{flex-direction:column}
  .project-foot{align-items:flex-start;gap:10px}
  .section-head h2{font-size:30px}
  .glass-chip{font-size:9px;padding:8px 10px}
  footer{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  #particles,#cursor,#cursorGlow,.loader,.robot-holo,.aurora-band,.star-field{display:none!important}
  .robot-head-wrap,.robot-body-wrap,.robot-rig{transform:none!important}
}