:root{--bg:#07111f;--bg2:#0b1830;--panel:rgba(16,35,61,.7);--line:rgba(160,207,255,.16);--text:#f4f8ff;--muted:#a9bbd1;--cyan:#54e5ff;--blue:#4f7cff;--violet:#9b63ff;--green:#55e6aa;--orange:#ffb45b;--shadow:0 24px 70px rgba(0,0,0,.28)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{min-width:320px;color:var(--text);background:var(--bg);font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
img{display:block;max-width:100%}
.page{position:relative;isolation:isolate;overflow:hidden}
.fluid-bg{position:absolute;inset:0;z-index:-2;background:radial-gradient(circle at 12% 8%,rgba(56,196,255,.18),transparent 29%),radial-gradient(circle at 85% 18%,rgba(155,99,255,.2),transparent 30%),linear-gradient(180deg,#07111f 0%,#0a1629 52%,#07111f 100%)}
.fluid-bg:before,.fluid-bg:after{content:"";position:absolute;width:55vw;height:55vw;border-radius:44% 56% 62% 38%/45% 38% 62% 55%;filter:blur(45px);opacity:.25;animation:drift 15s ease-in-out infinite alternate}
.fluid-bg:before{top:7%;left:-24%;background:linear-gradient(135deg,var(--cyan),var(--blue))}
.fluid-bg:after{top:33%;right:-30%;background:linear-gradient(135deg,var(--violet),#e354ff);animation-delay:-7s}
@keyframes drift{to{transform:translate(10vw,9vh) rotate(35deg) scale(1.12)}}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.nav-wrap{position:sticky;top:0;z-index:100;border-bottom:1px solid var(--line);background:rgba(5,15,29,.72);backdrop-filter:blur(20px)}
.nav{min-height:74px;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;letter-spacing:-.02em;white-space:nowrap}
.logo{width:42px;height:42px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(135deg,var(--cyan),var(--blue) 58%,var(--violet));box-shadow:0 12px 30px rgba(79,124,255,.35);color:#07111f;font-weight:1000}
.nav-links{display:flex;align-items:center;gap:27px;color:#c3d1e3;font-size:14px;font-weight:700}
.nav-links a:hover,.nav-links a.active{color:var(--cyan)}
.nav-actions{display:flex;gap:10px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 23px;border:1px solid transparent;border-radius:14px;font-weight:850;transition:.25s;cursor:pointer}
.btn-primary{color:#06111f;background:linear-gradient(135deg,var(--cyan),#77a1ff);box-shadow:0 14px 30px rgba(52,172,255,.24)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(52,172,255,.34)}
.btn-ghost{border-color:var(--line);background:rgba(255,255,255,.05)}
.btn-ghost:hover{border-color:rgba(84,229,255,.48);background:rgba(84,229,255,.07)}
.menu-btn{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;color:white;background:rgba(255,255,255,.04);font-size:21px}
.hero{min-height:720px;display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:64px;padding:90px 0 70px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 12px;border:1px solid rgba(84,229,255,.22);border-radius:999px;color:#b9f5ff;background:rgba(84,229,255,.07);font-size:13px;font-weight:800}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 6px rgba(85,230,170,.1)}
h1{margin:22px 0 22px;font-size:clamp(46px,6.5vw,78px);line-height:1.04;letter-spacing:-.055em}
.gradient-text{color:transparent;background:linear-gradient(100deg,#fff 12%,var(--cyan) 46%,#b898ff 82%);background-clip:text;-webkit-background-clip:text}
.lead{max-width:660px;color:var(--muted);font-size:18px}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin:31px 0 27px}
.platforms{display:flex;flex-wrap:wrap;gap:9px;color:#c6d5e7;font-size:13px}
.platforms span{padding:7px 11px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.04)}
.visual{position:relative}
.visual:before{content:"";position:absolute;inset:10% -5%;z-index:-1;border-radius:50%;background:radial-gradient(circle,rgba(84,229,255,.2),transparent 65%);filter:blur(10px)}
.visual-card{padding:26px;border:1px solid rgba(149,204,255,.21);border-radius:32px;background:linear-gradient(145deg,rgba(20,44,76,.75),rgba(9,22,41,.5));box-shadow:var(--shadow);backdrop-filter:blur(18px);transform:rotate(1.5deg)}
.visual-card img{filter:drop-shadow(0 30px 30px rgba(0,31,91,.3));animation:float 5s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-12px)}}
.connection{position:absolute;left:-25px;bottom:34px;padding:14px 17px;border:1px solid rgba(85,230,170,.25);border-radius:16px;background:rgba(7,24,37,.88);box-shadow:var(--shadow);font-size:13px;font-weight:800}
.connection b{color:var(--green)}
.stats{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);border-radius:24px;background:rgba(13,31,54,.65);box-shadow:var(--shadow);overflow:hidden}
.stat{padding:27px 18px;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{padding:105px 0}
.section-head{max-width:710px;margin:0 auto 52px;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:12px 0 16px;font-size:clamp(33px,4vw,50px);line-height:1.12;letter-spacing:-.035em}
.section-head p,.muted{color:var(--muted)}
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.feature{position:relative;min-height:250px;padding:34px;border:1px solid var(--line);border-radius:24px;background:linear-gradient(145deg,rgba(19,41,70,.7),rgba(11,26,47,.52));overflow:hidden;transition:.3s}
.feature:hover{transform:translateY(-5px);border-color:rgba(84,229,255,.35)}
.feature:after{content:"";position:absolute;right:-55px;bottom:-65px;width:190px;height:190px;border-radius:50%;background:var(--glow,var(--blue));opacity:.1;filter:blur(15px)}
.icon{width:51px;height:51px;display:grid;place-items:center;margin-bottom:26px;border:1px solid rgba(255,255,255,.1);border-radius:16px;background:rgba(255,255,255,.07);font-size:24px}
.feature h3{margin-bottom:9px;font-size:22px}.feature p{color:var(--muted)}
.split{display:grid;grid-template-columns:.92fr 1.08fr;align-items:center;gap:80px}
.art-panel{position:relative;padding:35px;border:1px solid var(--line);border-radius:30px;background:rgba(16,35,61,.55)}
.art-panel img{max-height:490px;margin:auto;filter:drop-shadow(0 35px 50px rgba(0,0,0,.25))}
.check-list{display:grid;gap:16px;margin:28px 0}
.check{display:flex;gap:13px;align-items:flex-start;color:#d9e6f5}
.check i{display:grid;place-items:center;flex:0 0 24px;height:24px;border-radius:50%;color:#07111f;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:18px}
.card{padding:29px;border:1px solid var(--line);border-radius:22px;background:rgba(15,34,59,.62);backdrop-filter:blur(10px)}
.card h3{margin:14px 0 9px;font-size:20px}.card p{color:var(--muted)}
.persona{display:inline-flex;padding:6px 10px;border-radius:8px;background:rgba(84,229,255,.09);color:var(--cyan);font-size:12px;font-weight:850}
.quote{margin:18px 0 22px;color:#e9f2ff!important}
.person{display:flex;align-items:center;gap:12px}
.avatar{width:43px;height:43px;display:grid;place-items:center;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--violet));font-weight:900}
.person small{display:block;color:var(--muted)}
.stars{color:#ffc95c;letter-spacing:2px}
.article{display:flex;flex-direction:column;min-height:260px}
.article .meta{color:var(--cyan);font-size:12px;font-weight:800}.article a{margin-top:auto;color:#c8f7ff;font-weight:850}
.article a:hover{color:var(--cyan)}
.price{position:relative}.price.popular{border-color:rgba(84,229,255,.5);box-shadow:0 25px 60px rgba(29,157,214,.12)}
.badge{position:absolute;top:18px;right:18px;padding:5px 9px;border-radius:7px;color:#07111f;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:27px;color:var(--green);font-size:13px;font-weight:800}.price ul{display:grid;gap:10px;margin:22px 0 26px;list-style:none;color:#c4d3e6;font-size:14px}
.price .btn{width:100%}
.faq{max-width:880px;margin:auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item button{width:100%;display:flex;justify-content:space-between;gap:30px;padding:23px 0;border:0;color:var(--text);background:transparent;text-align:left;font-size:17px;font-weight:800;cursor:pointer}
.faq-item button span:last-child{color:var(--cyan)}
.faq-answer{display:none;padding:0 45px 22px 0;color:var(--muted)}
.faq-item.open .faq-answer{display:block}.faq-item.open button span:last-child{transform:rotate(45deg)}
.cta{padding:68px;border:1px solid rgba(84,229,255,.24);border-radius:32px;background:radial-gradient(circle at 15% 20%,rgba(84,229,255,.16),transparent 34%),linear-gradient(135deg,rgba(31,72,117,.7),rgba(48,34,91,.58));text-align:center;box-shadow:var(--shadow)}
.cta p{max-width:650px;margin:15px auto 26px;color:#bed0e6}
footer{padding:76px 0 32px;border-top:1px solid var(--line);background:rgba(3,10,19,.55)}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:45px}.footer-brand p{max-width:300px;margin-top:17px;color:var(--muted)}
.footer-col h4{margin-bottom: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:55px;padding-top:25px;border-top:1px solid var(--line);color:#71879f;font-size:13px}
.subhero{padding:95px 0 60px;text-align:center}.subhero h1{font-size:clamp(42px,5.5vw,68px)}.subhero .lead{margin:auto}
.download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.download-card{display:flex;flex-direction:column;min-height:260px}.download-card .icon{font-size:26px}.download-card .btn{margin-top:auto}
.notice{margin-top:26px;padding:18px 21px;border:1px solid rgba(255,180,91,.26);border-radius:14px;color:#edcfaa;background:rgba(255,180,91,.07);font-size:14px}
.help-layout{display:grid;grid-template-columns:270px 1fr;gap:42px;align-items:start}
.help-side{position:sticky;top:100px;padding:22px;border:1px solid var(--line);border-radius:19px;background:rgba(15,34,59,.68)}
.help-side a{display:block;padding:10px 12px;border-radius:9px;color:var(--muted)}.help-side a:hover{color:var(--cyan);background:rgba(84,229,255,.06)}
.help-content{display:grid;gap:20px}.help-block{scroll-margin-top:100px}.help-block h2{font-size:27px}.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:630px;margin:28px auto 0;padding:7px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.05)}
.search input{flex:1;min-width:0;padding:0 15px;border:0;outline:0;color:white;background:transparent}
@media(max-width:900px){.nav-links{position:absolute;display:none;top:74px;left:20px;right:20px;flex-direction:column;align-items:stretch;padding:18px;border:1px solid var(--line);border-radius:16px;background:#0b192d}.nav-links.open{display:flex}.nav-actions .btn{display:none}.menu-btn{display:block}.hero,.split{grid-template-columns:1fr}.hero{padding-top:70px}.visual{max-width:680px}.stats{grid-template-columns:repeat(2,1fr)}.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}}
@media(max-width:620px){.container{width:min(100% - 28px,1180px)}.hero{min-height:auto;padding:60px 0}.hero-actions .btn{width:100%}.connection{position:static;margin-top:12px}.visual-card{padding:12px}.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:38px}section{padding:76px 0}.cta{padding:44px 22px}.copyright{flex-direction:column}.subhero{padding:65px 0 35px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.fluid-bg:before,.fluid-bg:after,.visual-card img{animation:none}}