:root{--night:#050816;--navy:#0a1025;--panel:rgba(14,25,55,.76);--panel2:#101b3d;--text:#f7f9ff;--muted:#aebbd7;--line:rgba(151,174,226,.2);--cyan:#5ce8ff;--blue:#557cff;--purple:#aa6cff;--green:#5df2ad;--orange:#ffba69;--shadow:0 28px 80px rgba(0,0,0,.38)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{min-width:320px;margin:0;color:var(--text);background:var(--night);font-family:"Segoe UI","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
img{display:block;max-width:100%;height:auto}
:focus-visible{outline:3px solid #ffd36d;outline-offset:4px}
.skip-link{position:fixed;top:12px;left:12px;z-index:10000;padding:10px 15px;color:#050816;background:#fff;transform:translateY(-160%)}
.skip-link:focus{transform:none}
.scroll-progress{position:fixed;top:0;left:0;z-index:9999;width:0;height:3px;background:linear-gradient(90deg,var(--cyan),var(--purple));box-shadow:0 0 18px var(--cyan)}
.page{position:relative;isolation:isolate;overflow:hidden}
.fluid-bg{position:fixed;inset:0;z-index:-3;background:radial-gradient(circle at 18% 16%,rgba(60,139,255,.18),transparent 27%),radial-gradient(circle at 82% 35%,rgba(163,91,255,.15),transparent 30%),linear-gradient(180deg,#050816,#091127 50%,#050816)}
.fluid-bg:before,.fluid-bg:after{content:"";position:absolute;width:46vw;height:46vw;border-radius:50%;filter:blur(70px);opacity:.15;animation:drift 18s ease-in-out infinite alternate}
.fluid-bg:before{top:8%;left:-22%;background:var(--cyan)}
.fluid-bg:after{top:48%;right:-25%;background:var(--purple);animation-delay:-9s}
@keyframes drift{to{transform:translate(15vw,12vh) scale(1.18)}}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.nav-wrap{position:fixed;top:0;left:0;right:0;z-index:100;border-bottom:1px solid var(--line);background:rgba(5,8,22,.7);backdrop-filter:blur(20px)}
.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:900;white-space:nowrap}
.logo{width:43px;height:43px;display:grid;place-items:center;border-radius:14px;color:#050816;background:linear-gradient(135deg,var(--cyan),#7b91ff 65%,var(--purple));box-shadow:0 10px 30px rgba(92,232,255,.24);font-weight:950}
.nav-links{display:flex;align-items:center;gap:27px;color:#ced9ed;font-size:14px;font-weight:750}
.nav-links a{padding:8px 0;border-bottom:2px solid transparent}.nav-links a:hover,.nav-links a.active{color:var(--cyan);border-color:var(--cyan)}
.nav-actions{display:flex;gap:10px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:0 24px;border:1px solid transparent;border-radius:13px;font-weight:850;cursor:pointer;transition:transform .25s,box-shadow .25s,background .25s}
.btn-primary{color:#06101b;background:linear-gradient(135deg,var(--cyan),#8396ff);box-shadow:0 15px 35px rgba(58,173,255,.2)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 42px rgba(58,173,255,.34)}
.btn-ghost{border-color:rgba(120,178,255,.38);background:rgba(255,255,255,.055)}.btn-ghost:hover{background:rgba(92,232,255,.1);border-color:var(--cyan)}
.menu-btn{display:none;width:46px;height:46px;border:1px solid var(--line);border-radius:12px;color:#fff;background:rgba(255,255,255,.06);font-size:21px}
.hero{min-height:100svh;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:68px;padding:140px 0 80px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 13px;border:1px solid rgba(92,232,255,.28);border-radius:999px;color:#c3f8ff;background:rgba(92,232,255,.08);font-size:13px;font-weight:800}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 6px rgba(93,242,173,.1)}
h1{margin:23px 0;font-size:clamp(48px,6.5vw,82px);line-height:1.03;letter-spacing:-.055em}
.gradient-text{color:transparent;background:linear-gradient(100deg,#fff,var(--cyan) 40%,#c49bff 88%);background-clip:text;-webkit-background-clip:text}
.lead{max-width:680px;color:var(--muted);font-size:19px}.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin:32px 0 27px}
.platforms{display:flex;flex-wrap:wrap;gap:9px;color:#d0dbed;font-size:13px}.platforms span{padding:7px 11px;border:1px solid var(--line);border-radius:9px;background:rgba(255,255,255,.045)}
.visual{position:relative;perspective:1000px}.visual:before{content:"";position:absolute;inset:4%;z-index:-1;border-radius:50%;background:radial-gradient(circle,rgba(92,232,255,.25),transparent 68%);filter:blur(24px)}
.visual-card{padding:24px;border:1px solid rgba(167,207,255,.23);border-radius:28px;background:linear-gradient(145deg,rgba(25,47,85,.74),rgba(8,18,39,.68));box-shadow:var(--shadow);backdrop-filter:blur(17px);transform:rotateY(-5deg) rotateX(2deg)}
.visual-card img{filter:drop-shadow(0 34px 32px rgba(0,19,71,.35));animation:float 5s ease-in-out infinite}@keyframes float{50%{transform:translateY(-11px)}}
.connection{position:absolute;left:-25px;bottom:30px;padding:13px 16px;border:1px solid rgba(93,242,173,.3);border-radius:14px;background:rgba(5,19,28,.9);box-shadow:var(--shadow);font-size:13px;font-weight:800}.connection b{color:var(--green)}
.stats{display:grid;grid-template-columns:repeat(5,1fr);margin-top:-60px;position:relative;z-index:2;border:1px solid var(--line);border-radius:22px;background:rgba(10,23,50,.78);box-shadow:var(--shadow);backdrop-filter:blur(18px);overflow:hidden}
.stat{padding:28px 15px;text-align:center;border-right:1px solid var(--line)}.stat:last-child{border:0}.stat strong{display:block;color:var(--cyan);font-size:27px}.stat span{color:var(--muted);font-size:13px}
section{position:relative;min-height:82vh;display:flex;align-items:center;padding:120px 0;scroll-margin-top:60px}
main>section:before{content:"";position:absolute;top:0;left:50%;width:min(1180px,calc(100% - 40px));height:1px;transform:translateX(-50%);background:linear-gradient(90deg,transparent,var(--line),transparent)}
.section-head{max-width:730px;margin:0 auto 54px;text-align:center}.section-head.left{margin-left:0;text-align:left}.kicker{color:var(--cyan);font-size:13px;font-weight:900;letter-spacing:.14em;text-transform:uppercase}
h2{margin:11px 0 16px;font-size:clamp(35px,4.5vw,54px);line-height:1.12;letter-spacing:-.04em}.section-head p,.muted{color:var(--muted)}
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:19px}.feature{position:relative;min-height:260px;padding:34px;border:1px solid var(--line);border-radius:22px;background:linear-gradient(145deg,rgba(19,39,73,.76),rgba(10,23,49,.62));overflow:hidden}.feature:after{content:"";position:absolute;width:180px;height:180px;right:-70px;bottom:-80px;border-radius:50%;background:var(--glow,var(--blue));opacity:.13;filter:blur(18px)}.feature:hover{border-color:rgba(92,232,255,.45)}
.icon{width:52px;height:52px;display:grid;place-items:center;margin-bottom:25px;border:1px solid rgba(255,255,255,.12);border-radius:15px;background:rgba(255,255,255,.07);font-size:24px}.feature h3{margin:0 0 9px;font-size:23px}.feature p{color:var(--muted)}
.split{display:grid;grid-template-columns:.92fr 1.08fr;align-items:center;gap:82px}.art-panel{padding:34px;border:1px solid var(--line);border-radius:28px;background:rgba(15,31,63,.65);box-shadow:var(--shadow)}.art-panel img{max-height:500px;margin:auto;filter:drop-shadow(0 35px 40px rgba(0,0,0,.3))}
.check-list{display:grid;gap:17px;margin:28px 0}.check{display:flex;gap:13px;align-items:flex-start}.check i{display:grid;place-items:center;flex:0 0 25px;height:25px;border-radius:50%;color:#06101b;background:var(--green);font-style:normal;font-weight:900;font-size:12px}
.scenarios,.reviews,.articles,.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:19px}.card{padding:30px;border:1px solid var(--line);border-radius:21px;background:linear-gradient(145deg,rgba(17,35,67,.78),rgba(9,20,44,.7));box-shadow:0 18px 48px rgba(0,0,0,.14);backdrop-filter:blur(12px)}.card h3{margin:14px 0 9px;font-size:21px}.card p{color:var(--muted)}
.persona{display:inline-flex;padding:6px 10px;border-radius:7px;color:var(--cyan);background:rgba(92,232,255,.09);font-size:12px;font-weight:850}.quote{margin:18px 0 22px;color:#edf4ff!important}.person{display:flex;align-items:center;gap:12px}.avatar{width:44px;height:44px;display:grid;place-items:center;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--purple));font-weight:900}.person small{display:block;color:var(--muted)}.stars{color:#ffc76d;letter-spacing:2px}
.article{display:flex;flex-direction:column;min-height:270px}.article .meta{color:var(--cyan);font-size:12px;font-weight:800}.article a{margin-top:auto;color:#c8f8ff;font-weight:850}.article a:hover{text-decoration:underline}
.price{position:relative}.price.popular{border-color:rgba(92,232,255,.6);transform:translateY(-14px);box-shadow:0 28px 70px rgba(47,159,219,.14)}.badge{position:absolute;top:17px;right:17px;padding:5px 9px;border-radius:7px;color:#06101b;background:var(--cyan);font-size:11px;font-weight:900}.price-name{font-weight:850}.amount{margin:16px 0 3px;font-size:43px;font-weight:950;letter-spacing:-.05em}.amount small{font-size:14px;color:var(--muted);font-weight:600}.save{min-height:28px;color:var(--green);font-size:13px;font-weight:800}.price ul{display:grid;gap:10px;margin:22px 0 26px;padding:0;list-style:none;color:#cad7e9;font-size:14px}.price .btn{width:100%}
.faq{max-width:900px;margin:auto}.faq-item{border-bottom:1px solid var(--line)}.faq-item button{width:100%;display:flex;justify-content:space-between;gap:28px;padding:24px 2px;border:0;color:var(--text);background:transparent;text-align:left;font-size:18px;font-weight:800;cursor:pointer}.faq-item button:hover{color:var(--cyan)}.faq-item button span:last-child{color:var(--cyan)}.faq-answer{display:none;padding:0 48px 24px 2px;color:var(--muted)}.faq-item.open .faq-answer{display:block}.faq-item.open button span:last-child{transform:rotate(45deg)}
.cta{width:100%;padding:72px;border:1px solid rgba(92,232,255,.28);border-radius:30px;background:radial-gradient(circle at 20% 0,rgba(92,232,255,.17),transparent 34%),linear-gradient(135deg,rgba(21,56,98,.74),rgba(52,32,98,.64));text-align:center;box-shadow:var(--shadow)}.cta p{max-width:660px;margin:15px auto 27px;color:#c6d5e8}
footer{padding:76px 0 32px;border-top:1px solid var(--line);background:#030611}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:42px}.footer-brand p{max-width:300px;margin-top:17px;color:var(--muted)}.footer-col h4{margin:0 0 15px}.footer-col a{display:block;margin:9px 0;color:var(--muted);font-size:14px}.footer-col a:hover{color:var(--cyan)}.copyright{display:flex;justify-content:space-between;gap:20px;margin-top:53px;padding-top:24px;border-top:1px solid var(--line);color:#7387a5;font-size:13px}
.subhero{min-height:65vh;padding:150px 0 70px;text-align:center}.subhero h1{font-size:clamp(43px,5.6vw,70px)}.subhero .lead{margin:auto}.download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:19px}.download-card{display:flex;flex-direction:column;min-height:280px}.download-card .btn{margin-top:auto}.notice{margin-top:27px;padding:18px 21px;border:1px solid rgba(255,186,105,.3);border-radius:13px;color:#f4d1a8;background:rgba(255,186,105,.07);font-size:14px}
.help-layout{display:grid;grid-template-columns:270px 1fr;gap:42px;align-items:start}.help-side{position:sticky;top:105px;padding:20px;border:1px solid var(--line);border-radius:17px;background:rgba(13,28,57,.8)}.help-side a{display:block;padding:10px 12px;border-radius:8px;color:var(--muted)}.help-side a:hover{color:var(--cyan);background:rgba(92,232,255,.07)}.help-content{display:grid;gap:20px}.help-block{scroll-margin-top:105px}.help-block h2{font-size:28px}.help-block ol,.help-block ul{margin:15px 0 0 22px;color:var(--muted)}.help-block li{margin:7px 0}.search{display:flex;max-width:650px;margin:28px auto 0;padding:7px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.07)}.search input{flex:1;min-width:0;padding:0 15px;border:0;outline:0;color:#fff;background:transparent}
.reveal{opacity:0;transform:translateY(45px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.75,.25,1)}.reveal.in-view{opacity:1;transform:none}
@media(max-width:900px){.nav-links{position:absolute;display:none;top:76px;left:20px;right:20px;flex-direction:column;align-items:stretch;padding:18px;border:1px solid var(--line);border-radius:15px;background:#0a132b}.nav-links.open{display:flex}.nav-actions .btn{display:none}.menu-btn{display:block}.hero,.split{grid-template-columns:1fr}.hero{padding-top:130px}.visual{max-width:680px}.stats{grid-template-columns:repeat(2,1fr);margin-top:0}.stat:nth-child(2n){border-right:0}.stat:last-child{grid-column:1/-1}.scenarios,.reviews,.articles,.pricing,.download-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-brand{grid-column:1/-1}.help-layout{grid-template-columns:1fr}.help-side{position:static}section{min-height:auto}}
@media(max-width:620px){.container{width:min(100% - 28px,1180px)}.hero{min-height:auto;padding:120px 0 65px}.hero-actions .btn{width:100%}.connection{position:static;margin-top:12px}.visual-card{padding:10px;transform:none}.stats,.feature-grid,.scenarios,.reviews,.articles,.pricing,.download-grid,.footer-grid{grid-template-columns:1fr}.stat,.stat:nth-child(2n){border-right:0;border-bottom:1px solid var(--line)}.stat:last-child{grid-column:auto}.split{gap:40px}section{padding:82px 0}.price.popular{transform:none}.cta{padding:45px 20px}.copyright{flex-direction:column}.subhero{padding:125px 0 45px}.search{flex-direction:column;gap:8px}.search input{min-height:46px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}