:root{--bg:#071323;--panel:#0d223b;--panel2:#122c49;--text:#f5f9ff;--muted:#a2b5ca;--line:#2a4c6c;--cyan:#45dbe4;--blue:#5895ff;--green:#56dfa1;--purple:#9b78ec;--orange:#ffb565;--shadow:0 26px 72px rgba(0,0,0,.35)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-width:320px;margin:0;color:var(--text);background:var(--bg);font-family:"Segoe UI","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.72;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 #ffd16b;outline-offset:4px}
.skip-link{position:fixed;top:10px;left:10px;z-index:10000;padding:10px 15px;color:#071323;background:#fff;transform:translateY(-150%)}.skip-link:focus{transform:none}.scroll-progress{position:fixed;top:0;left:0;z-index:9999;width:0;height:4px;background:linear-gradient(90deg,var(--green),var(--cyan),var(--blue));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 15% 9%,rgba(69,219,228,.16),transparent 28%),radial-gradient(circle at 85% 22%,rgba(88,149,255,.15),transparent 30%),linear-gradient(145deg,#06111f,#0b1d32 52%,#071322)}.fluid-bg:before{content:"";position:absolute;inset:0;opacity:.22;background:radial-gradient(circle at 10% 18%,var(--cyan) 0 3px,transparent 4px),radial-gradient(circle at 26% 36%,var(--blue) 0 3px,transparent 4px),radial-gradient(circle at 45% 16%,var(--green) 0 3px,transparent 4px),radial-gradient(circle at 63% 41%,var(--cyan) 0 3px,transparent 4px),radial-gradient(circle at 82% 18%,var(--purple) 0 3px,transparent 4px),radial-gradient(circle at 92% 52%,var(--blue) 0 3px,transparent 4px),linear-gradient(25deg,transparent 0 18%,rgba(69,219,228,.35) 18.1% 18.25%,transparent 18.35% 35%,rgba(88,149,255,.3) 35.1% 35.25%,transparent 35.35% 57%,rgba(86,223,161,.3) 57.1% 57.25%,transparent 57.35%)}.fluid-bg:after{content:"";position:absolute;inset:0;background:linear-gradient(rgba(69,219,228,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(69,219,228,.025) 1px,transparent 1px);background-size:46px 46px}
.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(6,17,31,.86);backdrop-filter:blur(18px)}.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:44px;height:44px;display:grid;place-items:center;border:1px solid #39768b;border-radius:11px;color:#06131d;background:linear-gradient(145deg,var(--green),var(--cyan));box-shadow:0 0 27px rgba(69,219,228,.24);font-weight:950}.nav-links{display:flex;align-items:center;gap:27px;color:#cad7e4;font-size:14px;font-weight:750}.nav-links a{padding:8px 1px;border-bottom:2px solid transparent}.nav-links a:hover,.nav-links a.active{color:var(--cyan);border-color:var(--cyan)}.nav-actions{display:flex;align-items:center;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:49px;padding:0 23px;border:1px solid transparent;border-radius:10px;font-weight:850;cursor:pointer;transition:.24s}.btn-primary{color:#06131d;background:linear-gradient(135deg,var(--green),var(--cyan));box-shadow:0 14px 34px rgba(69,219,228,.19)}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 42px rgba(69,219,228,.29)}.btn-ghost{border-color:#3a607e;background:#102741}.btn-ghost:hover{border-color:var(--cyan);background:#15314e}.menu-btn{display:none;width:46px;height:46px;border:1px solid var(--line);border-radius:10px;color:#fff;background:var(--panel);font-size:21px}
.hero{min-height:745px;display:grid;grid-template-columns:1.03fr .97fr;align-items:center;gap:72px;padding:96px 0 86px}.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 13px;border:1px solid #2f6574;border-radius:999px;color:#bff9fc;background:rgba(69,219,228,.07);font-size:13px;font-weight:800}.pulse{width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 13px var(--green),0 0 0 6px rgba(86,223,161,.1)}h1{margin:23px 0;font-size:clamp(46px,6.3vw,78px);line-height:1.04;letter-spacing:-.052em}.gradient-text{color:transparent;background:linear-gradient(100deg,#fff,var(--green) 32%,var(--cyan) 65%,var(--blue));background-clip:text;-webkit-background-clip:text}.lead{max-width:670px;color:var(--muted);font-size:18px}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:31px 0 29px}.platforms{display:flex;flex-wrap:wrap;gap:9px;color:#cfdae5;font-size:13px}.platforms span{padding:7px 11px;border:1px solid var(--line);border-radius:8px;background:rgba(13,34,59,.76)}
.visual{position:relative}.visual:before{content:"";position:absolute;inset:-8%;z-index:-1;border-radius:50%;background:radial-gradient(circle,rgba(69,219,228,.22),transparent 67%);filter:blur(24px)}.visual-card{position:relative;padding:24px;border:1px solid #345b7a;border-radius:19px;background:linear-gradient(145deg,#163754,#0a2138);box-shadow:var(--shadow);overflow:hidden}.visual-card:after{content:"";position:absolute;inset:0;opacity:.12;background:radial-gradient(circle at 15% 25%,var(--green) 0 3px,transparent 4px),radial-gradient(circle at 42% 60%,var(--cyan) 0 3px,transparent 4px),radial-gradient(circle at 72% 30%,var(--blue) 0 3px,transparent 4px),linear-gradient(30deg,transparent 0 28%,var(--cyan) 28.2% 28.5%,transparent 28.7% 60%,var(--blue) 60.2% 60.5%,transparent 60.7%)}.visual-card img{position:relative;z-index:1;filter:drop-shadow(0 30px 28px rgba(0,15,54,.38));opacity:.9}.node-switch{position:absolute;right:-20px;top:29px;z-index:3;width:220px;padding:17px;border:1px solid #39728a;border-radius:12px;background:rgba(5,26,43,.94);box-shadow:var(--shadow)}.node-switch>span{display:block;color:var(--green);font-size:11px;font-weight:800}.node-route{display:flex;align-items:center;gap:5px;margin:13px 0}.node-route i{display:grid;place-items:center;min-width:39px;height:30px;padding:0 5px;border:1px solid #3c647d;border-radius:6px;color:#d0e3ec;background:#102d47;font-size:9px;font-style:normal}.node-route i:last-child{border-color:var(--green);color:var(--green)}.node-route b{flex:1;height:2px;background:linear-gradient(90deg,var(--cyan),var(--green));position:relative}.node-route b:after{content:"";position:absolute;right:0;top:-3px;border-left:5px solid var(--green);border-top:4px solid transparent;border-bottom:4px solid transparent}.node-switch strong{display:block;color:var(--cyan);font:900 31px/1.2 Consolas,monospace}.node-switch small{color:var(--muted);font-size:10px}.connection{position:absolute;left:-25px;bottom:29px;z-index:2;padding:14px 18px;border:1px solid #326951;border-radius:9px;background:#09271e;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:16px;background:rgba(12,31,52,.9);box-shadow:var(--shadow);overflow:hidden}.stat{position:relative;padding:29px 15px 40px;text-align:center;border-right:1px solid var(--line)}.stat:last-child{border:0}.stat:after{content:"";position:absolute;left:18px;right:18px;bottom:18px;height:4px;border-radius:3px;background:linear-gradient(90deg,var(--tone,var(--cyan)) var(--value,82%),#203f5b var(--value,82%))}.stat:nth-child(2){--tone:var(--blue);--value:88%}.stat:nth-child(3){--tone:var(--purple);--value:72%}.stat:nth-child(4){--tone:var(--green);--value:99%}.stat:nth-child(5){--tone:var(--orange);--value:94%}.stat strong{display:block;color:var(--tone,var(--cyan));font:900 27px/1.5 Consolas,monospace}.stat span{color:var(--muted);font-size:13px}
section{position:relative;padding:108px 0;scroll-margin-top:70px}main>section:nth-of-type(odd){background:rgba(9,27,46,.52)}.section-head{max-width:730px;margin:0 auto 53px;text-align:center}.section-head.left{margin-left:0;text-align:left}.kicker{color:var(--cyan);font-size:12px;font-weight:900;letter-spacing:.16em;text-transform:uppercase}h2{margin:11px 0 16px;font-size:clamp(34px,4.3vw,52px);line-height:1.14;letter-spacing:-.037em}.section-head p,.muted{color:var(--muted)}
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.feature{position:relative;min-height:260px;padding:35px;border:1px solid var(--line);border-radius:15px;background:linear-gradient(145deg,var(--panel2),var(--panel));box-shadow:var(--shadow);overflow:hidden;transition:.3s}.feature:hover{transform:translateY(-6px);border-color:#3b768b}.feature:after{content:"";position:absolute;right:23px;bottom:22px;width:105px;height:70px;opacity:.18;background:radial-gradient(circle at 10% 70%,var(--glow,var(--cyan)) 0 4px,transparent 5px),radial-gradient(circle at 50% 20%,var(--glow,var(--cyan)) 0 4px,transparent 5px),radial-gradient(circle at 90% 65%,var(--glow,var(--cyan)) 0 4px,transparent 5px),linear-gradient(25deg,transparent 0 29%,var(--glow,var(--cyan)) 30% 31%,transparent 32% 63%,var(--glow,var(--cyan)) 64% 65%,transparent 66%)}.icon{width:54px;height:54px;display:grid;place-items:center;margin-bottom:25px;border:1px solid #38647c;border-radius:10px;color:#06131d;background:linear-gradient(145deg,var(--green),var(--cyan));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{position:relative;padding:36px;border:1px solid var(--line);border-radius:17px;background:linear-gradient(145deg,#153451,#0b223a);box-shadow:var(--shadow);overflow:hidden}.art-panel:after{content:"";position:absolute;inset:0;opacity:.1;background:radial-gradient(circle at 15% 25%,var(--green) 0 3px,transparent 4px),radial-gradient(circle at 45% 68%,var(--cyan) 0 3px,transparent 4px),radial-gradient(circle at 80% 30%,var(--blue) 0 3px,transparent 4px)}.art-panel img{position:relative;z-index:1;max-height:490px;margin:auto;filter:drop-shadow(0 30px 34px rgba(0,0,0,.35))}.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 27px;height:27px;border-radius:6px;color:#06131d;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:22px}.card{position:relative;padding:31px;border:1px solid var(--line);border-radius:14px;background:linear-gradient(145deg,var(--panel2),var(--panel));box-shadow:var(--shadow);overflow:hidden;transition:.3s}.card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--green),var(--cyan),var(--blue));opacity:.65}.card:hover{transform:translateY(-6px);border-color:#3b617e}.card h3{margin:14px 0 9px;font-size:21px}.card p{color:var(--muted)}.persona{display:inline-flex;padding:6px 10px;border:1px solid #345f78;border-radius:5px;color:var(--cyan);background:rgba(69,219,228,.07);font-size:12px;font-weight:850}.quote{margin:18px 0 22px;color:#eef7ff!important}.person{display:flex;align-items:center;gap:12px}.avatar{width:44px;height:44px;display:grid;place-items:center;border-radius:8px;color:#06131d;background:linear-gradient(145deg,var(--green),var(--cyan));font-weight:900}.person small{display:block;color:var(--muted)}.stars{color:var(--orange);letter-spacing:2px}
.article{display:flex;flex-direction:column;min-height:270px}.article .meta{color:var(--cyan);font:700 12px/1.4 Consolas,monospace}.article a{margin-top:auto;color:#c5f8fb;font-weight:850}.article a:hover{text-decoration:underline}.price{position:relative}.price.popular{border-color:var(--cyan);box-shadow:0 0 32px rgba(69,219,228,.08),var(--shadow)}.badge{position:absolute;top:17px;right:17px;padding:5px 9px;border-radius:5px;color:#06131d;background:var(--cyan);font-size:11px;font-weight:900}.price-name{font-weight:850}.amount{margin:16px 0 3px;color:var(--cyan);font:900 43px/1.2 Consolas,monospace;letter-spacing:-.05em}.amount small{font-size:14px;color:var(--muted);font-family:"Segoe UI",sans-serif;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:#c9d8e5;font-size:14px}.price .btn{width:100%}
.faq{max-width:900px;margin:auto;padding:6px 30px;border:1px solid var(--line);border-radius:15px;background:linear-gradient(145deg,var(--panel2),var(--panel));box-shadow:var(--shadow)}.faq-item{border-bottom:1px solid var(--line)}.faq-item:last-child{border:0}.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{padding:70px;border:1px solid #355b78;border-radius:18px;background:radial-gradient(circle at 12% 20%,rgba(86,223,161,.12),transparent 30%),radial-gradient(circle at 88% 80%,rgba(88,149,255,.12),transparent 30%),var(--panel);box-shadow:var(--shadow);text-align:center}.cta p{max-width:660px;margin:15px auto 27px;color:#c1d1de}
footer{padding:76px 0 32px;background:#030b14;border-top:1px solid var(--line)}.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:#708398;font-size:13px}
.subhero{padding:95px 0 60px;text-align:center}.subhero h1{font-size:clamp(43px,5.6vw,68px)}.subhero .lead{margin:auto}.download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.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 #665039;border-radius:9px;color:#efd0aa;background:#211910;font-size:14px}
.help-layout{display:grid;grid-template-columns:270px 1fr;gap:42px;align-items:start}.help-side{position:sticky;top:100px;padding:20px;border:1px solid var(--line);border-radius:13px;background:var(--panel);box-shadow:var(--shadow)}.help-side a{display:block;padding:10px 12px;border-radius:7px;color:var(--muted)}.help-side a:hover{color:var(--cyan);background:#14314c}.help-content{display:grid;gap:22px}.help-block{scroll-margin-top:100px}.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:11px;background:var(--panel);box-shadow:var(--shadow)}.search input{flex:1;min-width:0;padding:0 15px;border:0;outline:0;color:#fff;background:transparent}
.reveal{opacity:0;transform:translateY(30px) scale(.985);transition:opacity .65s ease,transform .65s ease}.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:13px;background:#0b1f34;box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-actions .btn{display:none}.menu-btn{display:block}.hero,.split{grid-template-columns:1fr}.hero{padding-top:75px}.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,.node-switch{position:static;margin-top:14px}.node-switch{width:100%}.visual-card{padding:11px}.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:78px 0}.cta{padding:46px 20px}.copyright{flex-direction:column}.subhero{padding:65px 0 40px}.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}}