:root{--ink:#10172b;--muted:#59657c;--blue:#3157f6;--deep:#1735bf;--cyan:#00bfd8;--purple:#8a4dff;--green:#079b6b;--orange:#d86c00;--white:#fff;--soft:#f5f7ff;--line:#dce2f2;--panel:rgba(255,255,255,.78);--shadow:0 22px 60px rgba(45,67,141,.13)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{min-width:320px;margin:0;color:var(--ink);background:#fff;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 #ffad19;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 0 auto;height:980px;z-index:-2;background:linear-gradient(145deg,#eefaff 0%,#f4f3ff 48%,#fff 85%)}
.fluid-bg:before,.fluid-bg:after{content:"";position:absolute;width:520px;height:520px;border-radius:42% 58% 65% 35%/42% 35% 65% 58%;filter:blur(35px);opacity:.25;animation:morph 13s ease-in-out infinite alternate}
.fluid-bg:before{top:-220px;right:-80px;background:linear-gradient(135deg,#3bd9ef,var(--blue))}
.fluid-bg:after{top:330px;left:-320px;background:linear-gradient(135deg,var(--purple),#ff74c8);animation-delay:-6s}
@keyframes morph{to{transform:translate(70px,55px) rotate(40deg) scale(1.14);border-radius:60% 40% 35% 65%/48% 62% 38% 52%}}
.container{width:min(1200px,calc(100% - 40px));margin:auto}
.nav-wrap{position:sticky;top:0;z-index:100;border-bottom:1px solid rgba(199,209,234,.75);background:rgba(255,255,255,.8);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:43px;height:43px;display:grid;place-items:center;border-radius:14px;color:#fff;background:linear-gradient(135deg,var(--blue),var(--purple));box-shadow:0 12px 28px rgba(49,87,246,.26);font-weight:950}
.nav-links{display:flex;align-items:center;gap:28px;color:#35415a;font-size:14px;font-weight:750}.nav-links a{position:relative;padding:8px 0}.nav-links a:after{content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;background:var(--blue);transition:.25s}.nav-links a:hover,.nav-links a.active{color:var(--blue)}.nav-links a:hover:after,.nav-links a.active:after{left:0;right:0}.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:12px;font-weight:850;cursor:pointer;transition:transform .25s,box-shadow .25s,background .25s}.btn-primary{color:#fff;background:linear-gradient(135deg,var(--blue),#6b4ff8);box-shadow:0 13px 28px rgba(49,87,246,.22)}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(49,87,246,.33)}.btn-ghost{color:var(--deep);border-color:#b8c5ef;background:rgba(255,255,255,.7)}.btn-ghost:hover{border-color:var(--blue);background:#eef2ff}
.menu-btn{display:none;width:46px;height:46px;border:1px solid var(--line);border-radius:12px;color:var(--blue);background:#fff;font-size:21px}
.hero{min-height:720px;display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:66px;padding:95px 0 82px}.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 13px;border:1px solid #b5c8f4;border-radius:999px;color:var(--deep);background:rgba(255,255,255,.7);font-size:13px;font-weight:800}.pulse{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 6px rgba(7,155,107,.1)}
h1{margin:22px 0;font-size:clamp(46px,6.4vw,78px);line-height:1.04;letter-spacing:-.052em}.gradient-text{color:transparent;background:linear-gradient(100deg,var(--blue),var(--cyan) 48%,var(--purple));background-clip:text;-webkit-background-clip:text;background-size:180% auto;animation:flow 5s linear infinite}@keyframes flow{to{background-position:180% center}}.lead{max-width:670px;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:#3e4c68;font-size:13px}.platforms span{padding:7px 11px;border:1px solid #d2d9ea;border-radius:9px;background:rgba(255,255,255,.72)}
.visual{position:relative;perspective:1000px}.visual:before{content:"";position:absolute;inset:5%;z-index:-1;border-radius:50%;background:radial-gradient(circle,rgba(49,87,246,.22),transparent 67%);filter:blur(25px)}.visual-card{padding:23px;border:1px solid rgba(255,255,255,.85);border-radius:28px;background:rgba(255,255,255,.67);box-shadow:var(--shadow);backdrop-filter:blur(15px);animation:tilt 7s ease-in-out infinite}@keyframes tilt{50%{transform:translateY(-10px) rotate(1deg)}}.visual-card img{filter:drop-shadow(0 30px 28px rgba(32,71,160,.18))}.connection{position:absolute;left:-25px;bottom:31px;padding:13px 16px;border:1px solid #a9ddca;border-radius:13px;background:rgba(255,255,255,.92);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:20px;background:rgba(255,255,255,.86);box-shadow:var(--shadow);overflow:hidden}.stat{padding:27px 15px;text-align:center;border-right:1px solid var(--line)}.stat:last-child{border:0}.stat strong{display:block;color:var(--blue);font-size:27px}.stat span{color:var(--muted);font-size:13px}
section{position:relative;padding:105px 0;scroll-margin-top:70px}main>section:nth-of-type(odd){background:linear-gradient(180deg,rgba(247,249,255,.82),rgba(255,255,255,.96))}.section-head{max-width:730px;margin:0 auto 52px;text-align:center}.section-head.left{margin-left:0;text-align:left}.kicker{color:var(--blue);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:20px}.feature{position:relative;min-height:255px;padding:34px;border:1px solid var(--line);border-radius:21px;background:#fff;box-shadow:0 15px 45px rgba(49,75,139,.07);overflow:hidden;transition:.3s}.feature:hover{transform:translateY(-7px);border-color:#9bb2f8;box-shadow:var(--shadow)}.feature:after{content:"";position:absolute;width:180px;height:180px;right:-72px;bottom:-85px;border-radius:50%;background:var(--glow,var(--blue));opacity:.12;filter:blur(14px)}.icon{width:52px;height:52px;display:grid;place-items:center;margin-bottom:25px;border:1px solid #c9d4f2;border-radius:14px;color:var(--blue);background:#f2f5ff;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:80px}.art-panel{padding:34px;border:1px solid var(--line);border-radius:27px;background:linear-gradient(145deg,#fff,#f2f5ff);box-shadow:var(--shadow)}.art-panel img{max-height:490px;margin:auto;filter:drop-shadow(0 28px 32px rgba(25,58,145,.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 25px;height:25px;border-radius:50%;color:#fff;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:20px}.card{padding:30px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:0 15px 45px rgba(49,75,139,.065);transition:.3s}.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.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(--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-radius:50%;color:#fff;background:linear-gradient(135deg,var(--blue),var(--purple));font-weight:900}.person small{display:block;color:var(--muted)}.stars{color:#a85c00;letter-spacing:2px}
.article{display:flex;flex-direction:column;min-height:270px}.article .meta{color:var(--blue);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:2px solid var(--blue);transform:scale(1.035);box-shadow:0 24px 58px rgba(49,87,246,.16)}.badge{position:absolute;top:17px;right:17px;padding:5px 9px;border-radius:7px;color:#fff;background:var(--blue);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:#41506c;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(--ink);background:transparent;text-align:left;font-size:18px;font-weight:800;cursor:pointer}.faq-item button:hover{color:var(--blue)}.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:1px solid #b9c8ef;border-radius:27px;background:radial-gradient(circle at 12% 15%,rgba(0,191,216,.17),transparent 34%),linear-gradient(135deg,#eefaff,#f3edff);text-align:center;box-shadow:var(--shadow)}.cta p{max-width:660px;margin:15px auto 27px;color:#4b5974}
footer{padding:76px 0 32px;color:#fff;background:#10172b}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:42px}.footer-brand p{max-width:300px;margin-top:17px;color:#b8c4d8}.footer-col h4{margin:0 0 15px}.footer-col a{display:block;margin:9px 0;color:#b8c4d8;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 #36415a;color:#8291aa;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:20px}.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 #e2b371;border-radius:12px;color:#704000;background:#fff8e9;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:16px;background:#fff;box-shadow:0 12px 35px rgba(49,75,139,.07)}.help-side a{display:block;padding:10px 12px;border-radius:8px;color:var(--muted)}.help-side a:hover{color:var(--blue);background:#eef2ff}.help-content{display:grid;gap:20px}.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 #c5cee4;border-radius:13px;background:#fff;box-shadow:var(--shadow)}.search input{flex:1;min-width:0;padding:0 15px;border:0;outline:0;color:var(--ink);background:transparent}
.reveal{opacity:0;transform:translateY(34px) scale(.985);transition:opacity .65s ease,transform .65s 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:14px;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,1200px)}.hero{min-height:auto;padding:60px 0}.hero-actions .btn{width:100%}.connection{position:static;margin-top:12px}.visual-card{padding:10px;animation: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:78px 0}.price.popular{transform:none}.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}}