:root{--bg:#eef1f2;--ink:#1e2c3e;--muted:#647183;--blue:#3e69cf;--deep:#294ca9;--teal:#3faeb1;--clay:#c77b5e;--violet:#8866c5;--green:#3e9568;--yellow:#a66c13;--paper:#fffdf8;--line:#cfd5d9;--shadow:0 22px 55px rgba(42,56,76,.14)}
*{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 #f39a31;outline-offset:3px}
.skip-link{position:fixed;top:10px;left:10px;z-index:10000;padding:10px 15px;color:#fff;background:#1e2c3e;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(--teal),var(--blue),var(--violet),var(--clay))}
.page{position:relative;isolation:isolate;overflow:hidden}.fluid-bg{position:fixed;inset:0;z-index:-3;background:radial-gradient(circle at 12% 9%,rgba(63,174,177,.18),transparent 27%),radial-gradient(circle at 88% 20%,rgba(136,102,197,.15),transparent 29%),linear-gradient(145deg,#f5f6f3,#e7ecee 50%,#f3ece7)}.fluid-bg:before{content:"";position:absolute;inset:0;opacity:.12;background:repeating-linear-gradient(45deg,rgba(30,44,62,.15) 0 1px,transparent 1px 8px),repeating-linear-gradient(-45deg,rgba(255,255,255,.7) 0 1px,transparent 1px 8px)}.fluid-bg:after{content:"";position:absolute;right:-240px;top:340px;width:520px;height:500px;border-radius:42% 58% 63% 37%/57% 38% 62% 43%;background:linear-gradient(145deg,rgba(199,123,94,.28),rgba(136,102,197,.18));filter:blur(25px);animation:materialDrift 14s ease-in-out infinite alternate}@keyframes materialDrift{to{transform:translate(-100px,80px) rotate(35deg) scale(1.15)}}
.container{width:min(1180px,calc(100% - 40px));margin:auto}.nav-wrap{position:sticky;top:0;z-index:100;border-bottom:1px solid rgba(189,198,203,.8);background:rgba(247,248,246,.84);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:45px;height:45px;display:grid;place-items:center;border:2px solid #2d4d79;border-radius:12px 17px 11px 15px;color:#fff;background:linear-gradient(145deg,#5279dc,#3156b7);box-shadow:5px 6px 0 #b7c2d2,0 13px 23px rgba(45,73,128,.18);font-weight:950}.nav-links{display:flex;align-items:center;gap:27px;color:#47566a;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:10px;font-weight:850;cursor:pointer;transition:.24s}.btn-primary{color:#fff;border-color:#2b4c9d;background:linear-gradient(145deg,#5278d8,#3155b5);box-shadow:6px 7px 0 #b5bfd0,0 14px 26px rgba(44,70,128,.17)}.btn-primary:hover{transform:translate(2px,2px);box-shadow:4px 5px 0 #b5bfd0}.btn-ghost{color:var(--deep);border-color:#b9c1c8;background:rgba(255,255,255,.63);box-shadow:0 9px 20px rgba(55,70,89,.09);backdrop-filter:blur(12px)}.btn-ghost:hover{border-color:var(--blue);background:#fff}.menu-btn{display:none;width:46px;height:46px;border:1px solid #bcc4cb;border-radius:11px;color:var(--deep);background:#fff;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 #b7ced0;border-radius:999px;color:#306368;background:rgba(246,255,254,.72);box-shadow:0 8px 18px rgba(55,87,88,.08);font-size:13px;font-weight:800}.pulse{width:9px;height:9px;border-radius:3px;background:var(--green);transform:rotate(45deg)}h1{margin:23px 0;font-size:clamp(46px,6.3vw,78px);line-height:1.04;letter-spacing:-.052em}.gradient-text{color:var(--blue);text-decoration:underline;text-decoration-color:rgba(63,174,177,.35);text-decoration-thickness:8px;text-underline-offset:-3px}.lead{max-width:670px;color:var(--muted);font-size:18px}.hero-actions{display:flex;flex-wrap:wrap;gap:15px;margin:31px 0 29px}.platforms{display:flex;flex-wrap:wrap;gap:9px;color:#4b5b70;font-size:13px}.platforms span{padding:7px 11px;border:1px solid #c6cdd2;border-radius:7px;background:rgba(255,255,255,.68);box-shadow:0 6px 0 #dce0e2}
.visual{position:relative;perspective:1000px}.visual:before{content:"";position:absolute;left:8%;right:8%;bottom:-40px;height:82px;border-radius:50%;background:rgba(45,57,71,.16);filter:blur(14px)}.visual-card{position:relative;padding:25px;border:1px solid rgba(255,255,255,.86);border-radius:26px;background:linear-gradient(145deg,rgba(255,255,255,.72),rgba(207,221,229,.48));box-shadow:0 28px 60px rgba(46,62,83,.17),inset 0 1px 0 #fff;backdrop-filter:blur(18px);overflow:hidden;transform:rotateY(-4deg) rotateX(2deg);animation:materialFloat 6s ease-in-out infinite}@keyframes materialFloat{50%{transform:translateY(-9px) rotateY(-2deg) rotateX(1deg)}}.visual-card:after{content:"";position:absolute;top:0;left:0;right:0;height:12px;background:linear-gradient(90deg,var(--teal),var(--blue),var(--violet),var(--clay));opacity:.72}.visual-card img{filter:drop-shadow(0 28px 25px rgba(54,67,112,.16))}.connection{position:absolute;left:-25px;bottom:29px;z-index:2;padding:14px 18px;border-left:5px solid var(--green);border-radius:7px;background:var(--paper);box-shadow:8px 9px 0 #d7ded8,0 17px 29px rgba(45,76,59,.1);font-size:13px;font-weight:800}.connection b{color:#266c4c}
.stats{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid #c4ccd1;border-radius:16px;background:var(--paper);box-shadow:0 13px 0 #d9ddde,0 27px 45px rgba(49,63,80,.11);overflow:hidden}.stat{position:relative;padding:29px 15px;text-align:center;border-right:1px dashed #bdc5ca}.stat:last-child{border:0}.stat:before{content:"";display:block;width:34px;height:9px;margin:0 auto 10px;border-radius:3px;background:var(--tone,var(--teal))}.stat:nth-child(2){--tone:var(--blue)}.stat:nth-child(3){--tone:var(--clay)}.stat:nth-child(4){--tone:var(--green)}.stat:nth-child(5){--tone:#c89540}.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,.28)}.section-head{max-width:730px;margin:0 auto 53px;text-align:center}.section-head.left{margin-left:0;text-align:left}.kicker{display:inline-block;padding:3px 8px;border-radius:4px;color:#fff;background:var(--deep);font-size:12px;font-weight:900;letter-spacing:.14em;text-transform:uppercase}h2{margin:12px 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 #c5cdd2;border-radius:18px;background:var(--paper);box-shadow:0 12px 0 #dadede,0 26px 45px rgba(48,62,80,.1);overflow:hidden;transition:.3s}.feature:nth-child(2){background:linear-gradient(145deg,#f2fbfa,#e2efee)}.feature:nth-child(3){background:linear-gradient(145deg,#fff7f1,#eee1d8)}.feature:nth-child(4){background:linear-gradient(145deg,#f7f4ff,#e8e0f2)}.feature:hover{transform:translateY(-6px)}.feature:after{content:"";position:absolute;right:-55px;bottom:-65px;width:175px;height:175px;border-radius:50%;background:var(--glow,var(--blue));opacity:.1}.icon{width:54px;height:54px;display:grid;place-items:center;margin-bottom:25px;border:2px solid #355699;border-radius:10px;color:#fff;background:linear-gradient(145deg,#587cda,#3359b5);box-shadow:6px 7px 0 #b9c4d5;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 rgba(255,255,255,.85);border-radius:25px;background:linear-gradient(145deg,rgba(255,255,255,.72),rgba(209,223,230,.5));box-shadow:var(--shadow);backdrop-filter:blur(16px);overflow:hidden}.art-panel:after{content:"";position:absolute;right:-65px;bottom:-70px;width:210px;height:200px;border-radius:50%;background:var(--clay);opacity:.09}.art-panel img{position:relative;z-index:1;max-height:490px;margin:auto;filter:drop-shadow(0 30px 32px rgba(51,65,105,.15))}.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:7px;color:#fff;background:var(--green);box-shadow:4px 5px 0 #b8cfc1;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 #c5cdd2;border-radius:17px;background:var(--paper);box-shadow:0 11px 0 #dadede,0 24px 42px rgba(48,62,80,.09);overflow:hidden;transition:.3s}.card:nth-child(2){background:linear-gradient(145deg,#f4fbfa,#e7f0ee)}.card:nth-child(3){background:linear-gradient(145deg,#f8f4ff,#ece5f4)}.card:hover{transform:translateY(-6px)}.card:before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:linear-gradient(90deg,var(--teal),var(--blue),var(--violet),var(--clay));opacity:.65}.card h3{margin:14px 0 9px;font-size:21px}.card p{color:var(--muted)}.persona{display:inline-flex;padding:6px 10px;border:1px solid #bcc8d1;border-radius:6px;color:var(--deep);background:rgba(255,255,255,.68);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 #355799;border-radius:10px;color:#fff;background:var(--blue);box-shadow:5px 6px 0 #b8c1d1;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:2px solid var(--blue);box-shadow:0 13px 0 #c1c9d6,0 27px 45px rgba(53,74,135,.14)}.badge{position:absolute;top:17px;right:17px;padding:5px 9px;border-radius:6px;color:#fff;background:var(--clay);box-shadow:3px 4px 0 #dfc1b5;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:#266c4c;font-size:13px;font-weight:800}.price ul{display:grid;gap:10px;margin:22px 0 26px;padding:0;list-style:none;color:#505b6b;font-size:14px}.price .btn{width:100%}
.faq{max-width:900px;margin:auto;padding:6px 30px;border:1px solid #c5cdd2;border-radius:18px;background:var(--paper);box-shadow:0 12px 0 #dadede,0 26px 45px rgba(48,62,80,.1)}.faq-item{border-bottom:1px dashed #bcc5cb}.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 rgba(255,255,255,.84);border-radius:26px;background:radial-gradient(circle at 15% 15%,rgba(63,174,177,.17),transparent 30%),radial-gradient(circle at 86% 84%,rgba(199,123,94,.17),transparent 30%),linear-gradient(145deg,rgba(255,255,255,.7),rgba(214,224,229,.48));box-shadow:var(--shadow);backdrop-filter:blur(17px);text-align:center}.cta p{max-width:660px;margin:15px auto 27px;color:var(--muted)}
footer{padding:76px 0 32px;color:#fff;background:#1e2c3e}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:42px}.footer-brand p{max-width:300px;margin-top:17px;color:#c5ced8}.footer-col h4{margin:0 0 15px}.footer-col a{display:block;margin:9px 0;color:#c5ced8;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 #4c5b6f;color:#9eabbc;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-left:6px solid #bd8a37;border-radius:8px;color:#6f4d12;background:#fff8e8;box-shadow:0 7px 0 #ddd7ca;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 #c5cdd2;border-radius:17px;background:var(--paper);box-shadow:0 10px 0 #d9ddde}.help-side a{display:block;padding:10px 12px;border-radius:7px;color:var(--muted)}.help-side a:hover{color:var(--deep);background:#e8eef2}.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 rgba(255,255,255,.84);border-radius:13px;background:rgba(255,255,255,.68);box-shadow:var(--shadow);backdrop-filter:blur(16px)}.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 #c5cdd2;border-radius:15px;background:#f8f8f5;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;transform:none;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 dashed #bcc5cb}.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}}