*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--c1:#22D3EE;--c2:#6366F1;--c3:#A78BFA;--dark:#050B18;--dark2:#0A1428;--rgb1:34,211,238;--rgb2:99,102,241;
--grad:linear-gradient(120deg,var(--c1),var(--c2));--tx:#E6EDF7;--mut:#94A3B8;--line:rgba(255,255,255,.09);--glass:rgba(255,255,255,.045)}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,'Helvetica Neue',Arial,sans-serif;color:var(--tx);background:var(--dark);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}ul{list-style:none}
h1,h2,h3{line-height:1.12;font-weight:750;color:#fff;letter-spacing:-.015em}
.container{max-width:1160px;margin:0 auto;padding:0 1.75rem;position:relative}
.grad{background:linear-gradient(110deg,var(--c1),var(--c2),var(--c3),var(--c1));background-size:250% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:shimmer 7s linear infinite}
@keyframes shimmer{to{background-position:250% 0}}
#prog{position:fixed;top:0;left:0;height:3px;width:100%;transform-origin:0 50%;transform:scaleX(0);background:var(--grad);z-index:200}
/* nav */
header{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .3s,border-color .3s,backdrop-filter .3s;border-bottom:1px solid transparent}
header.sc{background:rgba(5,8,16,.72);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-color:var(--line)}
.nav{display:flex;align-items:center;gap:2rem;height:72px;max-width:1160px;margin:0 auto;padding:0 1.75rem}
.logo{display:flex;align-items:center;gap:.6rem;font-size:1.25rem;flex-shrink:0}
.logo svg{filter:drop-shadow(0 0 12px rgba(var(--rgb1),.45));transition:transform .5s}.logo:hover svg{transform:rotate(-8deg) scale(1.08)}
.logo b{font-weight:500;color:#fff}.logo i{font-style:normal;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nav ul{display:flex;gap:.4rem;margin-left:auto}
.nav ul a{position:relative;font-size:.93rem;font-weight:500;color:#B6C2D6;padding:.45rem .85rem;border-radius:8px;transition:color .2s,background .2s}
.nav ul a:hover{color:#fff;background:var(--glass)}.nav ul a.on{color:#fff}
.nav ul a.on::after{content:"";position:absolute;left:.85rem;right:.85rem;bottom:.1rem;height:2px;border-radius:2px;background:var(--grad)}
.btn{position:relative;display:inline-flex;align-items:center;gap:.5rem;padding:.85rem 1.7rem;border-radius:10px;font-weight:650;font-size:.95rem;color:#fff;background:var(--grad);box-shadow:0 8px 28px -6px rgba(var(--rgb1),.55);overflow:hidden;transition:transform .25s,box-shadow .25s;border:0;cursor:pointer;font-family:inherit}
.btn::before{content:"";position:absolute;top:0;left:-80%;width:55%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.38),transparent);transform:skewX(-20deg);transition:left .6s}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 34px -6px rgba(var(--rgb1),.7)}.btn:hover::before{left:130%}
.btn.o{background:var(--glass);border:1px solid rgba(255,255,255,.18);box-shadow:none;backdrop-filter:blur(8px)}.btn.o:hover{border-color:var(--c1);box-shadow:0 0 0 4px rgba(var(--rgb1),.12)}
.nav .btn{padding:.55rem 1.2rem;font-size:.875rem}
.menu{display:none;margin-left:auto;background:none;border:0;font-size:1.7rem;color:#fff;cursor:pointer}
/* hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:8rem 0 5rem;overflow:hidden;background:radial-gradient(1200px 700px at 78% 20%,rgba(var(--rgb2),.22),transparent 60%),radial-gradient(900px 600px at 5% 90%,rgba(var(--rgb1),.16),transparent 60%),var(--dark)}
.hero canvas,.ph canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse 70% 65% at 50% 42%,#000 25%,transparent 78%);-webkit-mask-image:radial-gradient(ellipse 70% 65% at 50% 42%,#000 25%,transparent 78%);animation:gridmove 30s linear infinite}
@keyframes gridmove{to{background-position:64px 64px,64px 64px}}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.4;pointer-events:none}
.b1{width:420px;height:420px;background:var(--c1);top:-100px;right:8%;animation:fl1 16s ease-in-out infinite}
.b2{width:360px;height:360px;background:var(--c2);bottom:-120px;left:12%;animation:fl2 19s ease-in-out infinite}
@keyframes fl1{50%{transform:translate(-60px,70px) scale(1.15)}}@keyframes fl2{50%{transform:translate(80px,-50px) scale(1.2)}}
.hero-in{display:grid;grid-template-columns:1.15fr .85fr;gap:3rem;align-items:center;width:100%}
.tag{display:inline-flex;align-items:center;gap:.55rem;font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#D6E4FF;background:var(--glass);border:1px solid var(--line);padding:.4rem .95rem;border-radius:99px;margin-bottom:1.5rem;backdrop-filter:blur(8px)}
.tag::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c1);box-shadow:0 0 0 0 rgba(var(--rgb1),.7);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(var(--rgb1),0)}100%{box-shadow:0 0 0 0 rgba(var(--rgb1),0)}}
.hero h1{font-size:clamp(2.5rem,5.6vw,4.4rem);margin-bottom:1.5rem}
.hero h1 span.ln{display:block;overflow:hidden;padding-bottom:.08em}
.hero h1 span.ln>span{display:block;transform:translateY(110%);animation:up .9s cubic-bezier(.2,.8,.2,1) forwards}
.hero h1 span.ln:nth-child(2)>span{animation-delay:.12s}.hero h1 span.ln:nth-child(3)>span{animation-delay:.24s}
@keyframes up{to{transform:none}}
.lead{max-width:600px;font-size:1.14rem;color:#B6C2D6;margin-bottom:2.1rem;opacity:0;animation:fade .9s .45s forwards}
.actions{display:flex;gap:.9rem;flex-wrap:wrap;opacity:0;animation:fade .9s .6s forwards}
.tag{opacity:0;animation:fade .8s .05s forwards}
@keyframes fade{to{opacity:1}}
/* hero visual */
.vis{position:relative;aspect-ratio:1;max-width:470px;width:100%;margin-left:auto;opacity:0;animation:fade 1.2s .5s forwards}
.vis svg.rings{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.rg{transform-origin:250px 250px;transform-box:view-box}
.r1{animation:spin 38s linear infinite}.r2{animation:spin 26s linear infinite reverse}.r3{animation:spin 52s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.core{position:absolute;left:50%;top:50%;width:132px;height:132px;margin:-66px 0 0 -66px;border-radius:32px;background:var(--grad);display:grid;place-items:center;box-shadow:0 0 70px rgba(var(--rgb1),.55),inset 0 0 0 1px rgba(255,255,255,.35);animation:breathe 4.5s ease-in-out infinite}
.core svg{width:76px;height:76px}
@keyframes breathe{50%{transform:scale(1.07);box-shadow:0 0 100px rgba(var(--rgb1),.75),inset 0 0 0 1px rgba(255,255,255,.35)}}
.chip{position:absolute;display:flex;align-items:center;gap:.5rem;padding:.55rem .95rem;font-size:.83rem;font-weight:600;border-radius:12px;background:rgba(14,22,40,.62);border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(12px);box-shadow:0 14px 40px -10px rgba(0,0,0,.6);white-space:nowrap}
.chip::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c1);box-shadow:0 0 10px var(--c1)}
.chip:nth-of-type(2){top:6%;left:-4%;animation:bob 6s ease-in-out infinite}
.chip:nth-of-type(3){top:46%;right:-8%;animation:bob 7s -2s ease-in-out infinite}
.chip:nth-of-type(4){bottom:6%;left:4%;animation:bob 8s -4s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(-14px)}}
.scroll{position:absolute;left:50%;bottom:1.6rem;width:24px;height:38px;margin-left:-12px;border:2px solid rgba(255,255,255,.3);border-radius:14px}
.scroll::after{content:"";position:absolute;left:50%;top:7px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:#fff;animation:wheel 1.8s infinite}
@keyframes wheel{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(14px)}}
/* page hero */
.ph{position:relative;padding:9rem 0 4.5rem;overflow:hidden;background:radial-gradient(900px 420px at 80% 0,rgba(var(--rgb2),.25),transparent 65%),radial-gradient(700px 380px at 0 100%,rgba(var(--rgb1),.18),transparent 65%),var(--dark);border-bottom:1px solid var(--line)}
.ph h1{font-size:clamp(2.2rem,4.6vw,3.4rem);margin-bottom:.9rem;opacity:0;animation:fade .8s .1s forwards}.ph p{max-width:640px;color:#B6C2D6;font-size:1.1rem;opacity:0;animation:fade .8s .25s forwards}
.ph .tag{margin-bottom:1.2rem}
/* marquee */
.mq{border-block:1px solid var(--line);background:rgba(255,255,255,.025);overflow:hidden;padding:1.1rem 0;mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.mq-t{display:flex;gap:3rem;width:max-content;animation:mq 34s linear infinite}
.mq span{display:flex;align-items:center;gap:3rem;font-size:1.05rem;font-weight:600;color:#7C8BA3;white-space:nowrap}
.mq span::after{content:"✦";color:var(--c1);font-size:.9rem}
@keyframes mq{to{transform:translateX(-50%)}}
/* sections */
section.s{padding:6rem 0;position:relative}
.sh{max-width:660px;margin-bottom:3.2rem}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin-bottom:.9rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.sh h2{font-size:clamp(1.9rem,3.6vw,2.7rem);margin-bottom:.9rem}.sh p{color:var(--mut);font-size:1.07rem}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.3rem}
.card{position:relative;padding:1px;border-radius:18px;background:var(--line);transition:transform .35s cubic-bezier(.2,.8,.2,1);overflow:hidden}
.card::before{content:"";position:absolute;inset:0;background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(var(--rgb1),.65),transparent 45%);opacity:0;transition:opacity .3s}
.card:hover{transform:translateY(-6px)}.card:hover::before{opacity:1}
.card-in{position:relative;height:100%;border-radius:17px;background:linear-gradient(180deg,#0E1830,var(--dark2));padding:1.9rem}
.card-in::after{content:"";position:absolute;inset:0;border-radius:inherit;background:radial-gradient(360px circle at var(--mx,50%) var(--my,0%),rgba(var(--rgb1),.11),transparent 50%);opacity:0;transition:opacity .3s;pointer-events:none}
.card:hover .card-in::after{opacity:1}
.ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(var(--rgb1),.22),rgba(var(--rgb2),.22));border:1px solid rgba(var(--rgb1),.35);margin-bottom:1.3rem;transition:transform .4s}
.card:hover .ic{transform:rotate(-8deg) scale(1.1)}
.ic svg{width:26px;height:26px;fill:none;stroke:var(--c1);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:1.15rem;margin-bottom:.6rem}.card p{color:var(--mut);font-size:.97rem}
.card .num{position:absolute;right:1.4rem;top:1.2rem;font-size:2.6rem;font-weight:800;color:rgba(255,255,255,.05)}
/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;position:relative}
.steps::before{content:"";position:absolute;top:27px;left:6%;right:6%;height:2px;background:var(--line)}
.steps::after{content:"";position:absolute;top:27px;left:6%;right:6%;height:2px;background:var(--grad);transform-origin:0 50%;transform:scaleX(0);transition:transform 1.8s cubic-bezier(.3,.7,.2,1) .2s}
.steps.in::after{transform:scaleX(1)}
.step{position:relative;text-align:center;padding:0 .5rem}
.dot{width:56px;height:56px;margin:0 auto 1.2rem;border-radius:50%;background:var(--dark);border:2px solid rgba(var(--rgb1),.5);display:grid;place-items:center;font-weight:800;color:#fff;position:relative;z-index:1;box-shadow:0 0 0 6px var(--dark)}
.step h3{font-size:1.1rem;margin-bottom:.4rem}.step p{font-size:.93rem;color:var(--mut)}
/* about */
.band{background:linear-gradient(180deg,transparent,rgba(255,255,255,.03),transparent)}
.two{display:grid;grid-template-columns:1.2fr 1fr;gap:3.2rem;align-items:start}
.two p{margin-bottom:1.1rem;color:#B6C2D6;font-size:1.05rem}
.facts{position:relative;border-radius:20px;padding:2rem;background:linear-gradient(160deg,rgba(var(--rgb1),.13),rgba(var(--rgb2),.1));border:1px solid rgba(var(--rgb1),.28);backdrop-filter:blur(10px)}
.facts h3{font-size:1.1rem;margin-bottom:1.1rem}
.facts div.r{padding:.8rem 0;border-top:1px solid var(--line)}.facts div.r:first-of-type{border-top:0;padding-top:0}
.facts dt{font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--mut)}.facts dd{color:#fff;font-size:.98rem}.facts a:hover{color:var(--c1)}
/* cta */
.cta{position:relative;border-radius:24px;padding:3.4rem;display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap;background:linear-gradient(135deg,rgba(var(--rgb1),.16),rgba(var(--rgb2),.2));overflow:hidden;isolation:isolate}
.cta::before{content:"";position:absolute;inset:-60%;z-index:-2;background:conic-gradient(from 0deg,transparent 0 55%,var(--c1),var(--c2),transparent 90%);animation:spin 9s linear infinite}
.cta::after{content:"";position:absolute;inset:1.5px;border-radius:22.5px;background:linear-gradient(135deg,#0B1226,var(--dark2));z-index:-1}
.cta h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:.5rem}.cta p{color:#B6C2D6}
/* contact */
.cbox{max-width:780px;border-radius:24px;padding:2.8rem;background:linear-gradient(160deg,rgba(var(--rgb1),.1),rgba(var(--rgb2),.08));border:1px solid rgba(var(--rgb1),.3);backdrop-filter:blur(12px);box-shadow:0 30px 80px -30px rgba(var(--rgb2),.5)}
.cbox h2{font-size:1.7rem;margin-bottom:.7rem}.cbox p{color:#B6C2D6;margin-bottom:1.5rem}
.mail{display:inline-flex;align-items:center;gap:.8rem;font-size:clamp(1.15rem,3vw,1.6rem);font-weight:750;margin-bottom:1.7rem}
.mail .ei{width:48px;height:48px;border-radius:14px;background:var(--grad);display:grid;place-items:center;animation:breathe 4s infinite}.mail .ei svg{width:24px;height:24px;stroke:#fff;fill:none;stroke-width:1.8}
.mail span.t{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.addr{color:#B6C2D6;padding-top:1.4rem;border-top:1px solid var(--line)}.addr strong{color:#fff}
.legal{max-width:800px}.legal h2{font-size:1.25rem;margin:2.2rem 0 .6rem}.legal p,.legal li{color:#B6C2D6;margin-bottom:.7rem}.legal ul{list-style:disc;padding-left:1.4rem}.legal a{color:var(--c1)}
/* footer */
footer{border-top:1px solid var(--line);background:#03060E;padding:3.6rem 0 1.6rem}
.ft{display:flex;justify-content:space-between;gap:2.5rem;flex-wrap:wrap;margin-bottom:2.2rem}
footer p{font-size:.92rem;margin-top:.9rem;max-width:340px;color:var(--mut)}
footer h4{color:#fff;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:.9rem}
footer li{margin-bottom:.5rem;font-size:.93rem;color:var(--mut)}footer a:hover{color:var(--c1)}
.fb{border-top:1px solid var(--line);padding-top:1.3rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;font-size:.85rem;color:#64748B}
/* reveal: 只用 opacity+transform，不触发布局 */
.js .rv{opacity:0;transform:translateY(34px);transition:opacity .8s cubic-bezier(.2,.8,.2,1),transform .8s cubic-bezier(.2,.8,.2,1);transition-delay:var(--d,0s)}
.js .rv.in{opacity:1;transform:none}
@media(max-width:960px){.hero-in{grid-template-columns:1fr}.vis{max-width:380px;margin:1rem auto 0}.grid{grid-template-columns:1fr 1fr}.two{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr;row-gap:2.5rem}.steps::before,.steps::after{display:none}}
@media(max-width:640px){.grid{grid-template-columns:1fr}.nav ul,.nav>.btn{display:none}.menu{display:block}
.nav.open{flex-wrap:wrap;height:auto;padding-bottom:1rem;background:rgba(5,8,16,.95)}.nav.open ul{display:flex;flex-direction:column;width:100%;order:5;margin:0}.hero{padding:7rem 0 4rem;min-height:auto}.cta{padding:2rem}.cbox{padding:1.7rem}.chip{display:none}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.js .rv{opacity:1;transform:none}.hero h1 span.ln>span{transform:none}.lead,.actions,.tag,.vis,.ph h1,.ph p{opacity:1}}