:root{--blue:#2f7cff;--blue-dark:#2167e5;--ink:#17233b;--muted:#72809a;--line:#e9eef6;--soft:#f5f8fc;--orange:#ff7b42;--shadow:0 18px 55px rgba(39,80,143,.12)}
.skip-link{position:fixed;left:16px;top:-60px;z-index:100;padding:10px 16px;background:var(--blue);color:#fff;border-radius:0 0 8px 8px}.skip-link:focus{top:0}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;background:#fff}a{text-decoration:none;color:inherit}button{font:inherit;border:0;cursor:pointer}img{max-width:100%;display:block}.container{width:min(1200px,calc(100% - 48px));margin:auto}.topbar{height:76px;border-bottom:1px solid #eef2f7;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);position:sticky;top:0;z-index:20}.nav{height:100%;display:flex;align-items:center;gap:48px}.brand{display:flex;align-items:center;gap:9px;color:var(--ink);font-size:20px;font-weight:750;letter-spacing:-1px;white-space:nowrap}.brand-logo{width:40px;height:40px;object-fit:contain;display:block}.footer .brand{color:#fff}.footer .brand-logo{width:40px;height:40px;margin-bottom:19px}@media(max-width:650px){.brand{font-size:17px}.brand-logo{width:32px;height:32px}}.navlinks{display:flex;align-items:center;gap:34px;height:100%;font-size:14px;color:#53617a}.navlinks a{height:100%;display:flex;align-items:center;position:relative;transition:.2s}.navlinks a:hover,.navlinks a.active{color:var(--blue)}.navlinks a.active:after{content:"";position:absolute;bottom:0;left:50%;width:22px;height:3px;border-radius:3px;background:var(--blue);transform:translateX(-50%)}.nav-actions{margin-left:auto;display:flex;align-items:center;gap:18px}.search{width:19px;height:19px;border:1.8px solid #6c7890;border-radius:50%;position:relative;display:block}.search:after{content:"";position:absolute;width:7px;height:2px;background:#6c7890;right:-5px;bottom:-2px;transform:rotate(48deg);border-radius:2px}.nav-download,.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:9px;background:var(--blue);color:#fff;font-size:14px;font-weight:600;transition:.22s;box-shadow:0 7px 18px rgba(47,124,255,.22)}.nav-download{padding:11px 20px}.nav-download:hover,.btn:hover{background:var(--blue-dark);transform:translateY(-2px)}.menu-btn{display:none;background:transparent;width:38px;height:38px;color:var(--ink);font-size:22px}
.hero{overflow:hidden;background:linear-gradient(180deg,#f7fbff 0%,#fff 92%);padding:85px 0 74px;position:relative}.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(2px);pointer-events:none}.hero:before{width:420px;height:420px;background:rgba(115,185,255,.13);top:-230px;left:-130px}.hero:after{width:560px;height:560px;background:rgba(185,222,255,.17);right:-240px;bottom:-270px}.hero-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:42px;align-items:center;position:relative;z-index:1}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:14px;font-weight:600;letter-spacing:1px;margin-bottom:22px}.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px rgba(47,124,255,.12)}h1{font-size:52px;line-height:1.15;letter-spacing:-2px;margin:0 0 20px;font-weight:750}h1 em{font-style:normal;color:var(--blue)}.hero-copy p{font-size:17px;color:var(--muted);line-height:1.9;margin:0 0 32px;max-width:510px}.hero-actions{display:flex;align-items:center;gap:18px}.btn{padding:14px 25px}.btn.light{background:#fff;color:var(--blue);border:1px solid #d9e6fb;box-shadow:none}.btn.light:hover{background:#f4f8ff}.hero-note{font-size:12px;color:#a3afc1;margin-top:18px}.hero-visual{min-height:390px;position:relative;display:flex;justify-content:center;align-items:center}.glow{position:absolute;width:430px;height:300px;background:radial-gradient(ellipse,rgba(76,151,255,.28),rgba(76,151,255,0) 68%);filter:blur(5px)}.device{width:375px;height:272px;background:linear-gradient(135deg,#1f293a,#4a5870);border:8px solid #172231;border-radius:23px;box-shadow:22px 25px 45px rgba(35,68,116,.28);transform:perspective(800px) rotateY(-17deg) rotateX(5deg);position:relative;z-index:2;overflow:hidden}.device:before{content:"";position:absolute;inset:0;background:linear-gradient(130deg,rgba(255,255,255,.15),transparent 42%);pointer-events:none}.screen{position:absolute;inset:16px;background:linear-gradient(145deg,#eff7ff 0%,#d9ebff 52%,#9ecaff 100%);border-radius:10px;overflow:hidden}.screen-top{height:31px;background:rgba(255,255,255,.82);display:flex;align-items:center;gap:5px;padding:0 11px}.screen-top b{font-size:8px;color:#8391a7}.dot{width:6px;height:6px;background:#ff7466;border-radius:50%}.dot:nth-child(2){background:#ffc657}.dot:nth-child(3){background:#5dd38b}.screen-content{padding:23px 22px}.screen-content .fake-title{font-size:17px;font-weight:700;color:#1e447a}.fake-sub{font-size:9px;color:#7595ba;margin-top:5px}.fake-bars{display:flex;gap:8px;margin-top:22px}.fake-bars span{display:block;height:70px;flex:1;border-radius:9px;background:rgba(255,255,255,.73);box-shadow:0 5px 14px rgba(72,124,184,.09)}.fake-bars span:first-child{background:linear-gradient(180deg,#75b7ff,#4387ee)}.phone{position:absolute;z-index:3;width:122px;height:236px;right:14px;bottom:11px;border:6px solid #273650;border-radius:21px;background:#12284d;transform:rotate(12deg);box-shadow:14px 19px 28px rgba(35,69,112,.27);padding:5px}.phone-screen{height:100%;border-radius:14px;background:linear-gradient(170deg,#e7f4ff,#7cc0ff);padding-top:33px;text-align:center}.phone-notch{position:absolute;top:8px;left:31px;width:49px;height:14px;background:#17253b;border-radius:10px}.phone-screen strong{display:block;color:#fff;font-size:13px;margin-top:16px}.phone-screen small{display:block;color:#e9f5ff;font-size:8px;margin-top:7px}.phone-circle{width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.7);margin:24px auto 0;box-shadow:0 8px 18px rgba(58,126,214,.25)}
.section{padding:94px 0}.section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:38px}.section-head h2{font-size:34px;letter-spacing:-1px;margin:0 0 8px}.section-head p{margin:0;color:var(--muted);font-size:14px}.more{color:var(--blue);font-size:14px;display:flex;align-items:center;gap:7px}.more:after{content:"→";font-size:17px}.products{background:#fff}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:19px}.product-card{border:1px solid var(--line);border-radius:18px;padding:31px 30px 27px;min-height:265px;position:relative;overflow:hidden;transition:.25s;background:#fff}.product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d7e6ff}.product-card:nth-child(2){background:linear-gradient(135deg,#f7fbff,#fff)}.product-card:nth-child(3){background:linear-gradient(135deg,#fbfaff,#fff)}.product-icon{width:55px;height:55px;object-fit:contain;margin-bottom:18px}.product-card h3{font-size:21px;margin:0 0 10px}.product-card p{color:var(--muted);font-size:13px;line-height:1.8;margin:0 0 20px;max-width:245px}.product-link{font-size:13px;color:var(--blue);font-weight:600}.product-card .watermark{position:absolute;right:-14px;bottom:-20px;font-size:90px;font-weight:800;color:rgba(47,124,255,.035);font-style:italic}
.download-section{background:var(--soft)}.tabs{display:flex;gap:7px;padding:5px;background:#e9f0f8;border-radius:10px;width:max-content;margin-bottom:25px}.tab{padding:10px 24px;border-radius:7px;background:transparent;color:#6d7b91;font-size:14px}.tab.active{background:#fff;color:var(--blue);box-shadow:0 4px 12px rgba(52,84,125,.1);font-weight:600}.download-panel{display:none;grid-template-columns:repeat(3,1fr);gap:18px}.download-panel.active{display:grid}.download-card{background:#fff;border-radius:15px;padding:25px 24px;border:1px solid #edf1f6;min-height:190px}.download-card-top{display:flex;align-items:center;gap:14px;margin-bottom:20px}.platform-icon{width:41px;height:41px;display:block;flex:none;border-radius:12px;padding:7px;background:linear-gradient(145deg,#edf5ff,#dceaff)}.download-card h3{font-size:17px;margin:0 0 5px}.version{font-size:12px;color:#98a4b6}.download-row{display:flex;align-items:center;justify-content:space-between;gap:10px;color:#69778e;font-size:12px;border-top:1px solid #f0f2f6;padding-top:14px}.download-row .btn{padding:9px 14px;font-size:12px;box-shadow:none;white-space:nowrap}.mobile-panel .download-card{min-height:170px}.mobile-panel .download-card p{font-size:13px;color:var(--muted);line-height:1.6;margin:0 0 15px}
.news{background:#fff}.news-grid{display:grid;grid-template-columns:1.18fr .82fr .82fr;gap:18px}.news-card{border:1px solid var(--line);border-radius:15px;overflow:hidden;background:#fff;transition:.22s}.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.news-card.featured{grid-row:span 2}.news-img{height:140px;overflow:hidden;background:#d9eafa}.featured .news-img{height:230px}.news-img img{width:100%;height:100%;object-fit:cover;transition:.35s}.news-card:hover .news-img img{transform:scale(1.04)}.news-body{padding:18px 19px}.news-tag{font-size:11px;color:var(--blue);background:#edf5ff;border-radius:4px;padding:4px 7px;display:inline-block;margin-bottom:10px}.news-card h3{font-size:16px;line-height:1.5;margin:0 0 10px}.news-card p{color:var(--muted);font-size:12px;line-height:1.65;margin:0 0 15px}.meta{display:flex;gap:18px;color:#9ba7b8;font-size:11px}.meta span{display:flex;align-items:center;gap:5px}.meta span:first-child:before{content:"◷"}.meta span:last-child:before{content:"◉"}
.itunes{background:#f8fafc}.itunes-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.itunes-card{background:#fff;border:1px solid var(--line);padding:23px 20px;border-radius:14px}.itunes-head{display:flex;align-items:center;gap:11px;margin-bottom:18px}.itunes-icon{width:35px;height:35px}.itunes-card h3{font-size:15px;margin:0}.itunes-card p{font-size:12px;color:var(--muted);line-height:1.7;margin:0 0 18px}.itunes-links{display:flex;gap:8px}.itunes-links a{font-size:11px;color:var(--blue);background:#eff6ff;border-radius:5px;padding:7px 10px}
.footer{background:#19253a;color:#a9b5c7;padding:56px 0 25px}.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:35px;padding-bottom:45px}.footer .brand-logo{margin-bottom:19px}.footer h4{color:#fff;font-size:14px;margin:4px 0 17px}.footer p,.footer a{font-size:12px;line-height:2.15;color:#94a3b8}.footer a:hover{color:#fff}.footer-col{display:flex;flex-direction:column}.qr{width:76px;height:76px;border-radius:5px;background:#fff;padding:4px;margin-top:7px}.copyright{border-top:1px solid rgba(255,255,255,.1);padding-top:21px;font-size:11px;color:#718198;display:flex;justify-content:space-between;gap:15px}.feature-strip{background:#fff}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feature-grid article{padding:25px;border:1px solid var(--line);border-radius:15px;background:#fff}.feature-grid strong{color:var(--blue);font-size:13px}.feature-grid h3{margin:17px 0 9px;font-size:18px}.feature-grid p{color:var(--muted);font-size:13px;line-height:1.8;margin:0}.workflow{background:#f8fbff}.workflow-box{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:center}.workflow h2{font-size:34px;line-height:1.35;margin:0 0 16px}.workflow p{font-size:14px;color:var(--muted);line-height:1.8;margin:0}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.steps>div{background:#fff;border-radius:15px;padding:22px 18px;border:1px solid var(--line)}.steps b{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:#eaf3ff;color:var(--blue);font-size:14px}.steps span{display:block;font-weight:650;margin:18px 0 7px}.steps small{display:block;color:var(--muted);font-size:12px;line-height:1.6}.faq{background:#f8fbff}.faq-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:76px;align-items:start}.faq-intro h2{font-size:34px;line-height:1.25;margin:0 0 14px}.faq-intro p{font-size:14px;line-height:1.85;color:var(--muted);margin:0 0 25px}.faq-list{width:100%;min-width:0;border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden;box-shadow:0 12px 35px rgba(39,80,143,.06)}details{border-bottom:1px solid var(--line);padding:0 24px}details:last-child{border-bottom:0}summary{list-style:none;cursor:pointer;min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 0;font-size:15px;font-weight:600;line-height:1.5}summary::-webkit-details-marker{display:none}summary b{display:grid;place-items:center;flex:none;width:25px;height:25px;border-radius:50%;background:#edf5ff;color:var(--blue);font-size:19px;font-weight:400;line-height:1}details[open] summary{color:var(--blue)}details[open] summary b{background:var(--blue);color:#fff}details[open] summary b::after{content:'−';font-size:18px}details[open] summary b{font-size:0}details[open] summary b::after{font-size:18px}details p{color:var(--muted);font-size:13px;line-height:1.85;margin:0 45px 20px 0}@media(max-width:900px){.faq-layout{grid-template-columns:1fr;gap:30px}.faq-intro{max-width:560px}.faq-intro h2{font-size:30px}}@media(max-width:650px){details{padding:0 17px}summary{font-size:14px;min-height:62px}.faq-list{border-radius:12px}}.toast{position:fixed;left:50%;bottom:30px;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#17233b;color:white;padding:13px 20px;border-radius:9px;font-size:13px;z-index:50;transition:.25s;box-shadow:0 8px 28px rgba(0,0,0,.2)}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:900px){.nav{gap:22px}.navlinks{gap:18px}.hero-grid{grid-template-columns:1fr}.hero-copy{text-align:center}.hero-copy p{margin-left:auto;margin-right:auto}.hero-actions{justify-content:center}.hero-visual{min-height:330px}.product-grid,.download-panel,.feature-grid{grid-template-columns:repeat(2,1fr)}.news-grid{grid-template-columns:1fr 1fr}.news-card.featured{grid-column:span 2;grid-row:auto}.itunes-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.workflow-box{grid-template-columns:1fr;gap:35px}}
@media(max-width:650px){.container{width:min(100% - 32px,1200px)}.topbar{height:65px}.brand-logo{width:32px;height:32px}.menu-btn{display:block}.navlinks{display:none;position:absolute;top:65px;left:0;right:0;height:auto;background:#fff;border-bottom:1px solid var(--line);padding:8px 16px;box-shadow:0 12px 25px rgba(20,49,93,.08)}.navlinks.open{display:block}.navlinks a{height:44px}.navlinks a.active:after{display:none}.nav-download{padding:9px 12px;font-size:12px}.search{display:none}.hero{padding:62px 0 50px}h1{font-size:39px}.hero-copy p{font-size:15px}.device{width:300px;height:218px}.phone{width:98px;height:193px;right:2px}.hero-visual{min-height:285px}.section{padding:65px 0}.section-head{align-items:start;gap:15px}.section-head h2{font-size:28px}.section-head p{line-height:1.6}.product-grid,.download-panel,.news-grid,.itunes-grid,.feature-grid{grid-template-columns:1fr}.news-card.featured{grid-column:auto}.featured .news-img{height:180px}.news-img{height:160px}.tabs{width:100%;overflow:auto}.steps{grid-template-columns:1fr}.tab{flex:1;padding:10px 14px;white-space:nowrap}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid .footer-col:first-child{grid-column:span 2}.copyright{display:block;line-height:1.8}.copyright span{display:block}.footer{padding-top:42px}}