/* Brand refresh: self-hosted, responsive, no external dependencies. */
body{font-family:"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;-webkit-font-smoothing:antialiased;color:#202744}::selection{background:#dce6ff}.wrap{max-width:1240px;padding-inline:36px}.header{background:#ffffffef;border-bottom:1px solid #ecf0f7}.nav{height:84px;gap:38px}.navlinks{font-size:14px;gap:32px}.navlinks a{position:relative;transition:color .2s}.navlinks a:hover{color:var(--blue)}.navlinks a:after{content:'';height:2px;background:var(--blue);position:absolute;bottom:-12px;left:0;right:100%;transition:right .2s}.navlinks a:hover:after{right:0}.button{min-height:48px;padding:13px 26px;font-size:15px;box-shadow:0 7px 18px color-mix(in srgb,var(--blue) 16%,transparent);transition:background .2s,box-shadow .2s,transform .2s}.button:hover{box-shadow:0 10px 24px color-mix(in srgb,var(--blue) 25%,transparent);transform:translateY(-2px)}.button.small{min-height:40px;padding:8px 22px}.hero{position:relative;isolation:isolate}.brand-hero-head{text-align:center;max-width:840px;margin:0 auto 42px}.hero-kicker{display:inline-flex;align-items:center;gap:8px;border:1px solid #dbe4fb;border-radius:30px;background:#fff;color:var(--blue);font-size:11px;letter-spacing:1.5px;font-weight:600;padding:5px 13px}.hero-kicker:before{content:'';width:6px;height:6px;background:currentColor;border-radius:50%}.brand-hero-head h1{font-size:52px;line-height:1.22;letter-spacing:-1.6px;margin:20px 0 15px}.brand-hero-head>p{color:#79859e;line-height:1.9;font-size:16px;margin:0}.hero-stage{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.8fr);align-items:center;gap:54px}.download-panel{background:white;border:1px solid #dfe6f8;border-radius:22px;padding:32px;box-shadow:0 16px 50px #293c6b08;position:relative}.panel-topline{display:flex;align-items:center;gap:12px;margin-bottom:22px}.os-icon{display:grid;place-items:center;width:56px;height:56px;flex-shrink:0;border-radius:14px;background:#edf2ff;color:var(--blue)}.os-icon .win{grid-template-columns:repeat(2,13px);gap:3px}.os-icon .win i{width:13px;height:13px}.panel-title{font-size:22px;line-height:1.25;font-weight:700;letter-spacing:-.5px}.panel-subtitle{font-size:12px;color:#8994aa;margin-top:5px}.os-badge{font-size:10px;letter-spacing:.5px;padding:3px 8px;border-radius:20px;background:#f1f5fd;color:#77849e;margin-left:auto;white-space:nowrap}.panel-lines{display:flex;gap:8px;flex-wrap:wrap;font-size:12px;color:#71809b;padding:0 0 22px;border-bottom:1px solid #eef1f7;margin-bottom:22px}.panel-lines span{background:#f7f9fd;border-radius:5px;padding:4px 8px}.download-panel .download-box{display:flex;flex-direction:column;gap:10px}.download-panel select{height:42px;width:100%;border:1px solid #e1e7f2;border-radius:8px;padding-inline:12px;background:white;color:#72819d;font-size:13px}.download-panel .button{width:100%;min-height:50px}.download-panel .fine{line-height:1.8;font-size:12px;color:#8b95a9;margin:12px 0 0}.panel-foot{font-size:11px;color:#8a95aa;display:flex;align-items:center;gap:7px;justify-content:center;border-top:1px solid #edf0f6;margin-top:20px;padding-top:16px}.panel-foot:before{content:'✓';font-weight:700;color:#48a581}.product{padding:10px 0 32px;min-width:0}.app{transform:none;border-radius:14px;box-shadow:0 22px 65px #24448614;border-color:#e0e6f1;min-height:355px}.app-top{height:39px}.appbody{min-height:316px;grid-template-columns:104px minmax(0,1fr)}.sidebar{font-size:10px;padding:18px 10px}.workspace{padding:22px 17px}.workhead{font-size:14px}.search{font-size:10px;padding:8px 10px;margin-top:20px}table{font-size:10px}td,th{padding:12px 5px}.mini-btn{font-size:10px;padding:5px 10px}.app-caption,.sample-note{font-size:11px;margin-top:22px}.float{left:22px;bottom:13px;padding:13px 19px;border-radius:12px;font-size:12px;box-shadow:0 12px 30px #31487512}.float small{font-size:10px}.feature{position:relative;padding:32px;border-radius:16px;transition:border-color .2s,box-shadow .2s,transform .2s}.feature:hover{border-color:#c8d7f7;box-shadow:0 12px 32px #2b456c09;transform:translateY(-4px)}.feature .icon{width:48px;height:48px;border-radius:13px;font-size:0}.icon svg{width:25px;height:25px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.feature h3{font-size:19px;margin-bottom:13px}.feature p{font-size:14px;line-height:1.95;color:#7a859a}.feature-foot{font-size:11px;color:#8b96ab}.section-head{max-width:760px;margin-bottom:42px}.section-head h2{font-size:34px;letter-spacing:-.8px;margin:13px 0 16px}.section-head p{font-size:15px}.label{font-size:11px;letter-spacing:2.2px}.strip-inner{gap:65px;font-size:13px;padding:24px 0}.strip{border-color:#edf0f6}.install{background:#f8faff}.steps{gap:48px}.step .number{width:40px;height:40px;font-size:13px;margin-bottom:20px}.step:not(:last-child):after{content:'';position:absolute;top:19px;left:59px;right:0;border-top:1px dashed #d5dfee}.step h3{font-size:18px}.step p{font-size:14px;line-height:1.9}.requirements{border-radius:12px;margin-top:42px;padding:22px 26px}.faq-grid{grid-template-columns:1fr 1.5fr;gap:90px}.faq-intro{position:sticky;top:125px;align-self:start}.faq-intro h2{font-size:33px}.faq-grid details{padding:22px 0;border-color:#e9edf5}.faq-grid details:first-child{padding-top:0}.faq-grid summary{font-size:15px}.faq-grid details p{font-size:14px;line-height:1.9}.faq-grid summary:after{width:26px;height:26px;line-height:24px;text-align:center;background:#f5f7fc;border-radius:50%;font-size:19px;flex-shrink:0}.bottom-cta{padding:45px 48px;border-radius:20px;position:relative;overflow:hidden;isolation:isolate}.bottom-cta:before{content:'';position:absolute;right:65px;top:-90px;width:290px;height:290px;border:1px solid #dce5ff;border-radius:50%;z-index:-1}.bottom-cta:after{content:'';position:absolute;right:-20px;top:-165px;width:420px;height:420px;border:1px solid #e4eaff;border-radius:50%;z-index:-1}.bottom-cta h2{font-size:29px}.bottom-cta .button{flex-shrink:0}.footer-top{padding-bottom:5px}.disclosure{line-height:1.9;font-size:11px;color:#929caf;max-width:1080px}.menu-toggle{display:none;background:none;border:1px solid #e4eaf4;color:#52627e;border-radius:8px;width:36px;height:36px;padding:8px;cursor:pointer}.menu-toggle svg{display:block;width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8}.back-top{position:fixed;right:25px;bottom:24px;z-index:30;border:1px solid #e0e7f2;border-radius:12px;width:42px;height:42px;background:#fffffff0;color:#6b7b97;box-shadow:0 4px 14px #2e456c0b;cursor:pointer;font-size:20px}.back-top[hidden]{display:none}.hero-stage>*,.features>*,.faq-grid>*{min-width:0}.download-note{font-size:12px;color:#71809a;margin-top:12px}.feature-numeral{position:absolute;right:26px;top:26px;color:#e7edf8;font-size:29px;font-weight:650;line-height:1;letter-spacing:-1px}.feature .icon img{width:48px;height:48px;object-fit:contain}
@media(max-width:1000px){.hero-stage{gap:30px;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr)}.wrap{padding-inline:28px}.download-panel{padding:25px}.brand-hero-head h1{font-size:46px}.navlinks{gap:24px}.strip-inner{gap:25px}.faq-grid{gap:45px}.appbody{grid-template-columns:85px minmax(0,1fr)}.workspace{padding:20px 10px}.sidebar{padding-inline:6px;font-size:9px}table{font-size:9px}.feature{padding:26px}}
@media(max-width:760px){.wrap{padding-inline:22px}.nav{height:72px;gap:12px}.nav .logo{margin-right:auto}.menu-toggle{display:block;flex-shrink:0}.nav>.button{margin-left:0;padding:8px 14px;font-size:11px;min-height:37px}.navlinks{display:none;position:absolute;top:72px;left:0;right:0;padding:18px 24px;background:#fff;border-bottom:1px solid #e6edf8;box-shadow:0 12px 20px #1d30540a;gap:25px;justify-content:center}.navlinks.menu-open{display:flex}.navlinks a{font-size:13px}.navlinks a:after{bottom:-5px}.brand-hero-head{margin-bottom:27px}.brand-hero-head h1{font-size:37px;letter-spacing:-1px;margin-top:17px}.brand-hero-head>p{font-size:14px;line-height:1.85}.hero-kicker{font-size:10px;letter-spacing:1px}.hero-stage{grid-template-columns:minmax(0,1fr);gap:28px}.download-panel{padding:25px;border-radius:17px}.product{padding-bottom:35px}.appbody{grid-template-columns:76px minmax(0,1fr)}.app{min-height:320px}.appbody{min-height:280px}.workhead{font-size:11px}.mini-btn{font-size:8px}.sidebar{font-size:8px}.sidebar .app-logo{width:66px}.search{font-size:8px}table{font-size:8px}.workspace{padding:17px 8px}td,th{padding:10px 3px}.float{font-size:11px;left:12px;bottom:12px;padding:10px 14px}.float small{font-size:9px}.strip-inner{padding:20px 0;gap:11px;font-size:11px;justify-content:space-around}.strip-inner b{font-size:13px}.section-head h2{font-size:27px}.section-head p{font-size:14px}.features{gap:15px}.feature{padding:25px}.feature h3{font-size:18px;padding-top:10px}.feature p{font-size:14px}.feature .icon{width:42px;height:42px}.feature-numeral{font-size:25px;top:33px}.steps{gap:30px}.step:not(:last-child):after{display:none}.step .number{float:left;margin:0 18px 44px 0}.requirements{padding:20px;gap:10px;margin-top:30px}.faq-grid{gap:30px;grid-template-columns:minmax(0,1fr)}.faq-intro{position:static}.faq-intro h2{font-size:27px}.faq-grid details{padding:19px 0}.faq-grid details p{font-size:13px}.bottom-cta{padding:30px;gap:23px}.bottom-cta h2{font-size:25px}.bottom-cta p{font-size:13px}.footer-links{gap:18px}.back-top{right:15px;bottom:15px}.official-logo{max-width:160px}.footer-top .official-logo{max-width:170px}.app-caption,.sample-note{font-size:10px}.hero-stage .product{order:2}.hero-stage .download-panel{order:1}}
@media(max-width:380px){.wrap{padding-inline:17px}.nav .official-logo{max-width:130px}.nav>.button{font-size:10px;padding-inline:10px}.nav{gap:8px}.brand-hero-head h1{font-size:32px}.strip-inner{font-size:10px;gap:8px}.download-panel{padding:22px}.panel-title{font-size:20px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

:root{--blue:#3370ff}.brand-bit .hero{padding:55px 0 27px;background:radial-gradient(ellipse at 7% 8%,#edf4ff 0,transparent 35%),radial-gradient(ellipse at 96% 10%,#f3edff 0,transparent 40%),linear-gradient(180deg,#fafbff,#fff)}.brand-bit .brand-hero-head{max-width:950px;margin-bottom:32px}.brand-bit .brand-hero-head h1{font-size:47px;line-height:1.35;background:linear-gradient(90deg,#165fff 15%,#8e43e8 95%);background-clip:text;-webkit-background-clip:text;color:transparent}.brand-bit .brand-hero-head h1 span{color:inherit}.brand-bit .brand-hero-head>p{font-size:15px}.brand-bit .hero-kicker{background:#ffffffbb;border-color:#e0e5f7;box-shadow:0 4px 15px #466dba04}.brand-bit .button{background:linear-gradient(95deg,#4a8aff,#3370ff);border-radius:12px}.brand-bit .button:hover{background:linear-gradient(95deg,#337aff,#2462eb)}.bit-download-band{background:#fff;border:1px solid #e3e8f6;border-radius:20px;padding:24px 28px;display:flex;align-items:center;gap:20px;box-shadow:0 12px 40px #1b346e0b;position:relative;isolation:isolate}.bit-download-band:before{content:'';height:3px;position:absolute;left:32px;right:32px;top:0;background:linear-gradient(90deg,#b4d3ff,#3370ff,#b99aef);border-radius:3px}.bit-download-title{flex:1}.bit-download-title h2{font-size:23px;margin:0 0 6px}.bit-download-title h2 span{font-size:12px;font-weight:500;padding:4px 9px;background:#edf3ff;color:#3370ff;border-radius:5px;vertical-align:middle;margin-left:7px}.bit-download-title p{font-size:12px;color:#8691a6;margin:0;line-height:1.9}.bit-download-action{flex-shrink:0;text-align:center}.bit-download-action>span{display:block;font-size:11px;color:#78859b;margin-top:9px}.bit-download-action .button{min-height:46px;padding:10px 27px;font-size:14px}.bit-product-area{display:grid;grid-template-columns:.75fr 1.25fr;align-items:center;gap:65px;margin-top:37px}.bit-product-area .product{padding-bottom:30px}.bit-product-caption{padding-left:30px}.bit-product-caption>span{font-size:12px;letter-spacing:2px;color:#8a98b2}.bit-product-caption h2{font-size:30px;letter-spacing:-.6px;margin:13px 0}.bit-product-caption>p{font-size:14px;color:#8090a8;line-height:1.9}.bit-product-caption ul{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:11px;color:#6c7c96;font-size:12px}.bit-product-caption li:before{content:'✓';margin-right:10px;color:#3370ff}.bit-price-note{text-align:center;font-size:12px;color:#8e9ab0;margin:2px 0 0}.bit-price-note a{color:#3370ff}.brand-bit .app{box-shadow:0 18px 45px #24448610}.brand-bit .feature{background:linear-gradient(145deg,#fff,#f8fbff);border-color:#e6ecf8}.brand-bit .feature .icon{color:#3370ff;background:#ebf2ff}.brand-bit .feature:nth-child(2) .icon{color:#8260ce;background:#f3edff}.brand-bit .feature:nth-child(3) .icon{color:#309ec5;background:#ebf8fc}.brand-bit .bottom-cta{background:linear-gradient(110deg,#f0f5ff,#f4efff);border-color:#e4e6f7}.brand-bit .bottom-cta h2{background:linear-gradient(90deg,#2865e7,#8660ce);background-clip:text;-webkit-background-clip:text;color:transparent}.brand-bit .strip{background:#fafcff}.brand-bit .number{background:#eef3ff}.brand-bit .install{background:#f7f9fd}@media(max-width:1000px){.bit-download-band{gap:15px;padding:24px}.bit-download-title p{max-width:320px}.bit-product-area{gap:30px}.bit-product-caption{padding-left:6px}.bit-product-caption h2{font-size:26px}.brand-bit .brand-hero-head h1{font-size:40px}}@media(max-width:760px){.brand-bit .hero{padding:36px 0 30px}.brand-bit .brand-hero-head h1{font-size:32px}.brand-bit .brand-hero-head h1 span{display:block}.brand-bit .brand-hero-head>p{font-size:12px}.bit-download-band{flex-wrap:wrap;gap:15px;padding:25px;border-radius:17px}.bit-download-title{flex:1}.bit-download-title h2{font-size:21px}.bit-download-title p{font-size:11px}.bit-download-action{width:100%;text-align:center}.bit-download-action .button{width:100%;min-height:48px}.bit-download-action>span{font-size:11px;margin-top:12px}.bit-download-band .os-icon{width:48px;height:48px}.bit-product-area{grid-template-columns:minmax(0,1fr);gap:20px;margin-top:32px}.bit-product-caption{text-align:center;padding:0}.bit-product-caption h2{font-size:25px;margin:7px 0 10px}.bit-product-caption>p{font-size:13px}.bit-product-caption>p br{display:none}.bit-product-caption ul{display:none}.bit-product-area .product{padding-top:0}.bit-price-note{line-height:1.9;font-size:11px}.brand-bit .bottom-cta h2{font-size:24px}}

@media(max-width:380px){.nav .official-logo{max-width:112px}.nav .menu-toggle{width:32px;height:34px;padding:7px}.nav>.button{font-size:10px;padding-inline:9px}.download-panel .os-badge{display:none}.brand-eyy .hero .button{font-size:12px;padding-inline:15px}.brand-eyy .hero .download-box{gap:10px}.eyy-free{font-size:10px;padding-left:10px}.eyy-free small{font-size:8px}}