:root{--bg:#eef3ff;--ink:#152544;--muted:#61708b;--blue:#3f62e8;--deep:#263eae;--cyan:#39c9d8;--purple:#8a62de;--green:#42bc89;--orange:#f29b52;--white:#fff;--line:#c8d3e8;--side:#b5c4ea;--shadow:18px 22px 0 rgba(66,83,137,.13),0 34px 60px rgba(51,68,120,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-width:320px;margin:0;color:var(--ink);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:4px solid #ff9c36;outline-offset:3px}
.skip-link{position:fixed;top:10px;left:10px;z-index:10000;padding:10px 15px;color:#fff;background:#111;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(--cyan),var(--blue),var(--purple))}
.page{position:relative;isolation:isolate;overflow:hidden}.fluid-bg{position:absolute;inset:0;z-index:-3;background:linear-gradient(30deg,rgba(63,98,232,.045) 12%,transparent 12.5%,transparent 87%,rgba(63,98,232,.045) 87.5%),linear-gradient(150deg,rgba(63,98,232,.045) 12%,transparent 12.5%,transparent 87%,rgba(63,98,232,.045) 87.5%),linear-gradient(30deg,rgba(63,98,232,.045) 12%,transparent 12.5%,transparent 87%,rgba(63,98,232,.045) 87.5%),#eef3ff;background-position:0 0,0 0,55px 32px;background-size:110px 64px}.fluid-bg:after{content:"";position:absolute;top:-260px;right:-170px;width:690px;height:690px;border-radius:50%;background:radial-gradient(circle,rgba(57,201,216,.3),rgba(138,98,222,.12) 52%,transparent 70%)}
.container{width:min(1180px,calc(100% - 40px));margin:auto}.nav-wrap{position:sticky;top:0;z-index:100;border-bottom:1px solid rgba(171,186,219,.78);background:rgba(247,250,255,.88);backdrop-filter:blur(16px)}.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-radius:8px;color:#fff;background:var(--blue);box-shadow:7px 7px 0 #a9b7e8;font-weight:950;transform:rotate(-3deg)}.nav-links{display:flex;align-items:center;gap:27px;color:#42516d;font-size:14px;font-weight:750}.nav-links a{padding:8px 1px;border-bottom:3px solid transparent}.nav-links a:hover,.nav-links a.active{color:var(--deep);border-color:var(--blue)}.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:2px solid transparent;border-radius:8px;font-weight:850;cursor:pointer;transition:.23s}.btn-primary{color:#fff;border-color:#263eae;background:var(--blue);box-shadow:7px 8px 0 #a9b7e8}.btn-primary:hover{transform:translate(3px,3px);box-shadow:4px 5px 0 #a9b7e8}.btn-ghost{color:var(--deep);border-color:#9dacd3;background:#fff;box-shadow:7px 8px 0 #ced7ed}.btn-ghost:hover{transform:translate(3px,3px);box-shadow:4px 5px 0 #ced7ed}.menu-btn{display:none;width:46px;height:46px;border:2px solid #9dacd3;border-radius:8px;color:var(--deep);background:#fff;font-size:21px}
.hero{min-height:750px;display:grid;grid-template-columns:1.03fr .97fr;align-items:center;gap:78px;padding:96px 0 90px}.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 13px;border:2px solid #9acbd3;border-radius:7px;color:#246572;background:#edfdff;font-size:13px;font-weight:800;box-shadow:5px 5px 0 #cbe0e9}.pulse{width:9px;height:9px;border-radius:50%;background:var(--green)}h1{margin:24px 0;font-size:clamp(46px,6.3vw,77px);line-height:1.04;letter-spacing:-.052em}.gradient-text{color:var(--blue)}.lead{max-width:670px;color:var(--muted);font-size:18px}.hero-actions{display:flex;flex-wrap:wrap;gap:17px;margin:32px 0 30px}.platforms{display:flex;flex-wrap:wrap;gap:10px;color:#465675;font-size:13px}.platforms span{padding:7px 11px;border:1px solid #b7c3dc;border-radius:6px;background:rgba(255,255,255,.78);box-shadow:4px 5px 0 #d5ddef}
.visual{position:relative;perspective:1200px;transform-style:preserve-3d}.visual:before{content:"";position:absolute;left:7%;right:7%;bottom:-48px;height:95px;z-index:-1;background:rgba(50,66,120,.17);filter:blur(18px);transform:rotateX(70deg)}.visual-card{position:relative;padding:23px;border:2px solid #9baed8;border-radius:16px;background:linear-gradient(145deg,#fff,#e9efff);box-shadow:22px 25px 0 #b7c3e4,38px 43px 48px rgba(50,67,119,.17);transform:rotateX(9deg) rotateY(-10deg) rotateZ(2deg);transform-style:preserve-3d;animation:isoFloat 6s ease-in-out infinite}.visual-card:after{content:"";position:absolute;inset:12px -14px -14px 12px;z-index:-1;border-radius:16px;background:#879bd1;transform:translateZ(-20px)}@keyframes isoFloat{50%{transform:translateY(-10px) rotateX(7deg) rotateY(-7deg) rotateZ(1deg)}}.visual-card img{filter:drop-shadow(0 24px 18px rgba(46,65,130,.17))}.connection{position:absolute;left:-25px;bottom:28px;padding:13px 16px;border:2px solid #64a98b;border-radius:8px;background:#effff7;box-shadow:8px 9px 0 #b4d8c8,0 18px 30px rgba(42,93,71,.11);font-size:13px;font-weight:800;transform:translateZ(55px)}.connection b{color:#15714f}
.stats{display:grid;grid-template-columns:repeat(5,1fr);border:2px solid #aebbd8;border-radius:13px;background:#fff;box-shadow:13px 15px 0 #c9d3e8,0 28px 45px rgba(49,66,119,.1);overflow:hidden;transform:rotateX(2deg)}.stat{position:relative;padding:28px 15px;text-align:center;border-right:1px solid #cdd6e8}.stat:last-child{border:0}.stat:before{content:"";display:block;width:9px;height:9px;margin:0 auto 9px;border-radius:2px;background:var(--dot,var(--cyan));box-shadow:3px 3px 0 rgba(52,68,115,.18)}.stat:nth-child(2){--dot:var(--blue)}.stat:nth-child(3){--dot:var(--purple)}.stat:nth-child(4){--dot:var(--green)}.stat:nth-child(5){--dot:var(--orange)}.stat strong{display:block;color:var(--deep);font-size:27px}.stat span{color:var(--muted);font-size:13px}
section{position:relative;padding:110px 0;scroll-margin-top:70px}main>section:nth-of-type(odd){background:rgba(255,255,255,.5)}.section-head{max-width:730px;margin:0 auto 54px;text-align:center}.section-head.left{margin-left:0;text-align:left}.kicker{color:var(--deep);font-size:13px;font-weight:900;letter-spacing:.13em;text-transform:uppercase}h2{margin:11px 0 16px;font-size:clamp(34px,4.3vw,51px);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:32px;perspective:1200px}.feature{position:relative;min-height:260px;padding:34px;border:2px solid #aebbd8;border-radius:14px;background:#fff;box-shadow:14px 16px 0 #cbd4e8,0 30px 46px rgba(53,67,112,.1);overflow:hidden;transition:.3s;transform:rotateX(2deg) rotateY(-2deg)}.feature:nth-child(even){transform:rotateX(2deg) rotateY(2deg)}.feature:hover{transform:translateY(-8px) rotateX(0) rotateY(0)}.feature:after{content:"";position:absolute;right:22px;bottom:22px;width:76px;height:76px;border:12px solid var(--glow,var(--blue));opacity:.12;transform:rotate(30deg) skewY(-10deg)}.icon{width:54px;height:54px;display:grid;place-items:center;margin-bottom:25px;border:2px solid #536bc0;border-radius:8px;color:#fff;background:var(--blue);box-shadow:7px 8px 0 #bdc8e6;font-size:24px;transform:rotate(-4deg)}.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:86px}.art-panel{position:relative;padding:34px;border:2px solid #a7b5d7;border-radius:16px;background:#fff;box-shadow:18px 20px 0 #c1cce5,0 34px 48px rgba(51,67,116,.12);transform:rotateY(7deg) rotateX(4deg);transform-style:preserve-3d}.art-panel:after{content:"";position:absolute;left:20%;right:-35px;bottom:-35px;height:62px;z-index:-1;background:#9eb0d9;transform:skewX(-35deg)}.art-panel img{position:relative;z-index:1;max-height:490px;margin:auto;filter:drop-shadow(0 24px 24px rgba(48,63,115,.14))}.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 26px;height:26px;border:2px solid #27815d;border-radius:6px;color:#fff;background:var(--green);box-shadow:4px 4px 0 #b2d4c6;font-style:normal;font-weight:900;font-size:12px}
.scenarios,.reviews,.articles,.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;perspective:1200px}.card{position:relative;padding:30px;border:2px solid #acb9d6;border-radius:13px;background:#fff;box-shadow:13px 15px 0 #cbd4e7,0 28px 42px rgba(52,67,111,.09);transition:.3s}.card:nth-child(1){transform:rotateY(-3deg)}.card:nth-child(2){transform:translateY(12px)}.card:nth-child(3){transform:rotateY(3deg)}.card:hover{transform:translateY(-7px) rotateY(0)}.card h3{margin:14px 0 9px;font-size:21px}.card p{color:var(--muted)}.persona{display:inline-flex;padding:6px 10px;border:1px solid #aebce2;border-radius:5px;color:var(--deep);background:#edf1ff;font-size:12px;font-weight:850}.quote{margin:18px 0 22px;color:var(--ink)!important}.person{display:flex;align-items:center;gap:12px}.avatar{width:44px;height:44px;display:grid;place-items:center;border:2px solid #364ca7;border-radius:7px;color:#fff;background:var(--blue);box-shadow:5px 5px 0 #b9c3e1;font-weight:900}.person small{display:block;color:var(--muted)}.stars{color:#9f5b00;letter-spacing:2px}
.article{display:flex;flex-direction:column;min-height:270px}.article .meta{color:var(--deep);font-size:12px;font-weight:800}.article a{margin-top:auto;color:var(--deep);font-weight:850}.article a:hover{text-decoration:underline}.price{position:relative}.price.popular{border-color:var(--blue);box-shadow:15px 17px 0 #adb9e2,0 30px 48px rgba(53,70,145,.15)}.badge{position:absolute;top:17px;right:17px;padding:5px 9px;border:2px solid #263eae;border-radius:5px;color:#fff;background:var(--blue);font-size:11px;font-weight:900}.price-name{font-weight:850}.amount{margin:16px 0 3px;color:var(--deep);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:#15714f;font-size:13px;font-weight:800}.price ul{display:grid;gap:10px;margin:22px 0 26px;padding:0;list-style:none;color:#4d5c77;font-size:14px}.price .btn{width:100%}
.faq{max-width:900px;margin:auto;padding:5px 28px;border:2px solid #acb9d6;border-radius:14px;background:#fff;box-shadow:15px 17px 0 #cbd4e7,0 30px 46px rgba(52,67,111,.09)}.faq-item{border-bottom:1px solid #cdd6e8}.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(--ink);background:transparent;text-align:left;font-size:18px;font-weight:800;cursor:pointer}.faq-item button:hover{color:var(--deep)}.faq-item button span:last-child{color:var(--blue)}.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:68px;border:2px solid #9faed2;border-radius:17px;background:linear-gradient(135deg,#eaffff,#f1edff);box-shadow:18px 20px 0 #c4cfe6,0 36px 52px rgba(54,68,115,.12);text-align:center;transform:rotateX(2deg)}.cta p{max-width:660px;margin:15px auto 27px;color:var(--muted)}
footer{padding:76px 0 32px;color:#fff;background:#152544}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:42px}.footer-brand p{max-width:300px;margin-top:17px;color:#bdc8dc}.footer-col h4{margin:0 0 15px}.footer-col a{display:block;margin:9px 0;color:#bdc8dc;font-size:14px}.footer-col a:hover{color:#fff;text-decoration:underline}.copyright{display:flex;justify-content:space-between;gap:20px;margin-top:53px;padding-top:24px;border-top:1px solid #485776;color:#9eabc1;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:30px}.download-card{display:flex;flex-direction:column;min-height:280px}.download-card .btn{margin-top:auto}.notice{margin-top:27px;padding:18px 21px;border:2px solid #d0a567;border-radius:9px;color:#694400;background:#fff8e8;box-shadow:7px 8px 0 #e2dbc8;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:2px solid #acb9d6;border-radius:12px;background:#fff;box-shadow:10px 11px 0 #cbd4e7}.help-side a{display:block;padding:10px 12px;border-radius:6px;color:var(--muted)}.help-side a:hover{color:var(--deep);background:#edf1ff}.help-content{display:grid;gap:24px}.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:2px solid #aab7d4;border-radius:10px;background:#fff;box-shadow:9px 10px 0 #cbd4e7}.search input{flex:1;min-width:0;padding:0 15px;border:0;outline:0;color:var(--ink);background:transparent}
.reveal{opacity:0;transform:translateY(30px) scale(.98);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:2px solid #aebbd8;border-radius:12px;background:#fff;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{position:static;margin-top:16px;transform:none}.visual-card{padding:10px;transform:none;animation:none}.stats,.feature-grid,.scenarios,.reviews,.articles,.pricing,.download-grid,.footer-grid{grid-template-columns:1fr;transform:none}.stat,.stat:nth-child(2n){border-right:0;border-bottom:1px solid #cdd6e8}.stat:last-child{grid-column:auto}.feature,.feature:nth-child(even),.card:nth-child(1),.card:nth-child(2),.card:nth-child(3),.art-panel,.cta{transform:none}.split{gap:40px}section{padding:78px 0}.cta{padding:44px 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}}