:root{--bg:#eef0f7;--ink:#253047;--muted:#68738a;--blue:#667ee6;--deep:#4259bf;--cyan:#67c8d2;--purple:#a17ed8;--pink:#dd90af;--green:#58b98a;--yellow:#b98123;--plastic:#f4f5fa;--line:#d4d7e2;--shadow:12px 14px 28px rgba(71,80,113,.14),-8px -8px 20px rgba(255,255,255,.85),inset 0 1px 0 rgba(255,255,255,.8)}
*{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 #f19b34;outline-offset:3px}
.skip-link{position:fixed;top:10px;left:10px;z-index:10000;padding:10px 15px;color:#fff;background:#253047;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),var(--pink))}
.page{position:relative;isolation:isolate;overflow:hidden}.fluid-bg{position:fixed;inset:0;z-index:-3;background:radial-gradient(circle at 12% 10%,rgba(103,200,210,.18),transparent 27%),radial-gradient(circle at 88% 22%,rgba(161,126,216,.16),transparent 29%),linear-gradient(145deg,#f4f5fa,#e9ebf3 52%,#f1edf5)}.fluid-bg:before,.fluid-bg:after{content:"";position:absolute;width:470px;height:470px;border-radius:42% 58% 60% 40%/54% 38% 62% 46%;background:#dce3f3;box-shadow:24px 28px 55px rgba(70,80,113,.12),-15px -15px 35px rgba(255,255,255,.8);opacity:.58;filter:blur(2px);animation:plasticDrift 15s ease-in-out infinite alternate}.fluid-bg:before{top:-260px;left:-210px}.fluid-bg:after{right:-270px;top:420px;background:#e8dded;animation-delay:-7s}@keyframes plasticDrift{to{transform:translate(110px,75px) rotate(32deg) scale(1.13);border-radius:60% 40% 37% 63%/41% 62% 38% 59%}}
.container{width:min(1180px,calc(100% - 40px));margin:auto}.nav-wrap{position:sticky;top:0;z-index:100;border-bottom:1px solid rgba(191,196,210,.75);background:rgba(240,242,248,.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:15px;color:#fff;background:linear-gradient(145deg,#7990ed,#566ed0);box-shadow:7px 8px 16px rgba(70,83,149,.25),-4px -4px 11px rgba(255,255,255,.85),inset 0 1px 1px rgba(255,255,255,.38);font-weight:950}.nav-links{display:flex;align-items:center;gap:27px;color:#4b566d;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:1px solid transparent;border-radius:14px;font-weight:850;cursor:pointer;transition:.24s}.btn-primary{color:#fff;background:linear-gradient(145deg,#788dea,#566dcc);box-shadow:7px 8px 16px rgba(71,84,153,.23),-4px -4px 10px rgba(255,255,255,.75),inset 0 1px 1px rgba(255,255,255,.35)}.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06)}.btn-ghost{color:var(--deep);border-color:#ced2df;background:linear-gradient(145deg,#f8f9fc,#e8eaf1);box-shadow:6px 7px 14px rgba(76,83,111,.11),-4px -4px 10px #fff,inset 0 1px 0 #fff}.btn-ghost:hover{transform:translateY(-2px)}.menu-btn{display:none;width:46px;height:46px;border:1px solid #ced2df;border-radius:13px;color:var(--deep);background:var(--plastic);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 #c7d6dc;border-radius:999px;color:#32646a;background:#eef8f9;box-shadow:5px 6px 12px rgba(76,98,104,.09),-3px -3px 8px #fff;font-size:13px;font-weight:800}.pulse{width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:inset 0 1px 1px rgba(255,255,255,.55)}h1{margin:23px 0;font-size:clamp(46px,6.3vw,78px);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:14px;margin:31px 0 29px}.platforms{display:flex;flex-wrap:wrap;gap:9px;color:#4d5870;font-size:13px}.platforms span{padding:7px 11px;border:1px solid #d1d4df;border-radius:10px;background:linear-gradient(145deg,#f8f9fc,#e9ebf2);box-shadow:4px 5px 10px rgba(73,81,108,.09),-3px -3px 8px #fff}
.visual{position:relative}.visual:before{content:"";position:absolute;left:7%;right:7%;bottom:-36px;height:78px;border-radius:50%;background:rgba(70,79,112,.15);filter:blur(13px)}.visual-card{position:relative;padding:25px;border:1px solid #d5d8e3;border-radius:30px;background:linear-gradient(145deg,#f7f8fc,#e7e9f1);box-shadow:18px 20px 38px rgba(70,79,112,.18),-10px -10px 26px rgba(255,255,255,.9),inset 0 2px 1px rgba(255,255,255,.85);overflow:hidden;animation:plasticFloat 6s ease-in-out infinite}@keyframes plasticFloat{50%{transform:translateY(-9px) rotate(.4deg)}}.visual-card:after{content:"";position:absolute;top:16px;left:15%;right:15%;height:3px;border-radius:3px;background:rgba(255,255,255,.8)}.visual-card img{position:relative;z-index:1;filter:drop-shadow(0 28px 25px rgba(54,70,124,.17))}.connection{position:absolute;left:-25px;bottom:29px;z-index:2;padding:14px 18px;border:1px solid #c4dbcf;border-radius:15px;background:linear-gradient(145deg,#f4fbf7,#e1eee7);box-shadow:9px 10px 18px rgba(59,98,77,.13),-5px -5px 12px #fff;font-size:13px;font-weight:800}.connection b{color:#237353}
.stats{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid #d2d5df;border-radius:21px;background:linear-gradient(145deg,#f7f8fc,#e7e9f1);box-shadow:var(--shadow);overflow:hidden}.stat{position:relative;padding:29px 15px;text-align:center;border-right:1px solid #d5d8e2}.stat:last-child{border:0}.stat:before{content:"";display:block;width:34px;height:8px;margin:0 auto 10px;border-radius:5px;background:var(--tone,var(--cyan));box-shadow:inset 0 1px 1px rgba(255,255,255,.5)}.stat:nth-child(2){--tone:var(--blue)}.stat:nth-child(3){--tone:var(--pink)}.stat:nth-child(4){--tone:var(--green)}.stat:nth-child(5){--tone:#d2a34f}.stat strong{display:block;color:var(--deep);font-size:27px}.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(255,255,255,.22)}.section-head{max-width:730px;margin:0 auto 53px;text-align:center}.section-head.left{margin-left:0;text-align:left}.kicker{color:var(--deep);font-size:13px;font-weight:900;letter-spacing:.14em;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:24px}.feature{position:relative;min-height:260px;padding:35px;border:1px solid #d2d5e0;border-radius:24px;background:linear-gradient(145deg,#f7f8fc,#e6e8f0);box-shadow:var(--shadow);overflow:hidden;transition:.3s}.feature:hover{transform:translateY(-6px)}.feature:after{content:"";position:absolute;right:-55px;bottom:-65px;width:175px;height:175px;border-radius:46% 54% 61% 39%/55% 41% 59% 45%;background:var(--glow,var(--blue));opacity:.09}.icon{width:54px;height:54px;display:grid;place-items:center;margin-bottom:25px;border:1px solid #d1d5e1;border-radius:17px;color:#fff;background:linear-gradient(145deg,#7990ed,#566dcb);box-shadow:7px 8px 15px rgba(69,83,150,.2),-4px -4px 10px #fff,inset 0 1px 1px rgba(255,255,255,.4);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 #d2d5e0;border-radius:28px;background:linear-gradient(145deg,#f7f8fc,#e6e8f0);box-shadow:var(--shadow);overflow:hidden}.art-panel:after{content:"";position:absolute;right:-65px;bottom:-70px;width:210px;height:200px;border-radius:40% 60% 55% 45%/57% 41% 59% 43%;background:var(--purple);opacity:.09}.art-panel img{position:relative;z-index:1;max-height:490px;margin:auto;filter:drop-shadow(0 28px 32px rgba(55,68,119,.16))}.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-radius:9px;color:#fff;background:linear-gradient(145deg,#6ac99a,#3a9b6e);box-shadow:4px 5px 10px rgba(54,126,91,.16),-3px -3px 7px #fff;font-style:normal;font-weight:900;font-size:12px}
.scenarios,.reviews,.articles,.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.card{position:relative;padding:31px;border:1px solid #d2d5e0;border-radius:22px;background:linear-gradient(145deg,#f7f8fc,#e6e8f0);box-shadow:var(--shadow);overflow:hidden;transition:.3s}.card:before{content:"";position:absolute;top:15px;left:18%;right:18%;height:2px;border-radius:3px;background:rgba(255,255,255,.85)}.card:hover{transform:translateY(-6px)}.card h3{margin:14px 0 9px;font-size:21px}.card p{color:var(--muted)}.persona{display:inline-flex;padding:6px 10px;border:1px solid #d1d5e4;border-radius:8px;color:var(--deep);background:linear-gradient(145deg,#f7f8ff,#e6e9f5);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:14px;color:#fff;background:linear-gradient(145deg,#7990ed,#5c6fc7);box-shadow:6px 7px 13px rgba(69,83,150,.19),-3px -3px 8px #fff;font-weight:900}.person small{display:block;color:var(--muted)}.stars{color:var(--yellow);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:#aeb9df;box-shadow:14px 16px 32px rgba(70,82,143,.18),-8px -8px 20px #fff,inset 0 1px 0 #fff}.badge{position:absolute;top:17px;right:17px;padding:5px 9px;border-radius:8px;color:#fff;background:linear-gradient(145deg,#788ee9,#596fcf);box-shadow:4px 5px 10px rgba(69,83,150,.18);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:#237353;font-size:13px;font-weight:800}.price ul{display:grid;gap:10px;margin:22px 0 26px;padding:0;list-style:none;color:#505b72;font-size:14px}.price .btn{width:100%}
.faq{max-width:900px;margin:auto;padding:6px 30px;border:1px solid #d2d5e0;border-radius:24px;background:linear-gradient(145deg,#f7f8fc,#e6e8f0);box-shadow:var(--shadow)}.faq-item{border-bottom:1px solid #d4d7e1}.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:70px;border:1px solid #d0d4e0;border-radius:30px;background:radial-gradient(circle at 15% 15%,rgba(103,200,210,.16),transparent 30%),radial-gradient(circle at 86% 84%,rgba(161,126,216,.16),transparent 30%),linear-gradient(145deg,#f7f8fc,#e6e8f0);box-shadow:var(--shadow);text-align:center}.cta p{max-width:660px;margin:15px auto 27px;color:var(--muted)}
footer{padding:76px 0 32px;color:#fff;background:#253047}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:42px}.footer-brand p{max-width:300px;margin-top:17px;color:#c4ccda}.footer-col h4{margin:0 0 15px}.footer-col a{display:block;margin:9px 0;color:#c4ccda;font-size:14px}.footer-col a:hover{color:#fff}.copyright{display:flex;justify-content:space-between;gap:20px;margin-top:53px;padding-top:24px;border-top:1px solid #536078;color:#9fabbc;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:24px}.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 #ded1af;border-radius:13px;color:#77540e;background:linear-gradient(145deg,#fff9e8,#eee6cf);box-shadow:6px 7px 14px rgba(108,90,45,.09),-4px -4px 10px #fff;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 #d2d5e0;border-radius:20px;background:linear-gradient(145deg,#f7f8fc,#e6e8f0);box-shadow:var(--shadow)}.help-side a{display:block;padding:10px 12px;border-radius:9px;color:var(--muted)}.help-side a:hover{color:var(--deep);background:#eceef6}.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 #d0d3de;border-radius:15px;background:linear-gradient(145deg,#f7f8fc,#e7e9f0);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(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 #d2d5e0;border-radius:15px;background:#f1f2f7;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:15px}.visual-card{padding:11px;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 #d4d7e1}.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}}