:root{--blue:#087cff;--blue-dark:#0063e6;--ink:#10213a;--muted:#64768c;--line:#dce4ed;--soft:#f5f7fa;--ease:cubic-bezier(.2,.7,.2,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:#fff;color:var(--ink);font-family:Inter,"Segoe UI","Microsoft YaHei UI","Microsoft YaHei",Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit}button:not(:disabled),summary{cursor:pointer}a,button,summary{touch-action:manipulation}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #75b7ff;outline-offset:5px;border-radius:5px}p{line-height:1.85;margin:0;color:var(--muted)}h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.04em}h2{font-size:clamp(30px,3.65vw,54px);line-height:1.28}h3{line-height:1.45}::selection{background:#cce8ff}.container{width:min(1280px,calc(100% - 112px));margin-inline:auto}.icon{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none;vertical-align:middle}.svg-defs{position:absolute;width:0;height:0;overflow:hidden}.skip-link{position:fixed;top:-90px;left:20px;background:var(--blue);color:white;padding:12px;z-index:200}.skip-link:focus{top:10px}
.site-header{position:sticky;top:0;z-index:40;background:rgb(255 255 255 / .94);backdrop-filter:blur(14px)}.nav{height:78px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:30px}.brand{display:inline-flex;align-items:center;gap:12px;white-space:nowrap;font-size:27px;letter-spacing:-1.1px;font-weight:700}.brand b{font-weight:450}.nav-links{display:flex;gap:40px;font-size:15px;font-weight:600}.nav-links a{position:relative;padding:12px 0}.nav-links a:after{content:"";height:2px;background:var(--blue);position:absolute;bottom:3px;left:0;right:0;transform:scaleX(0);transform-origin:left;transition:transform .25s}.nav-links a:hover:after{transform:scaleX(1)}.reading-progress{position:absolute;height:2px;bottom:0;left:0;background:var(--blue);width:100%;transform:scaleX(var(--read,0));transform-origin:left}.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:52px;padding:14px 25px;border-radius:9px;border:1px solid transparent;font-size:17px;font-weight:600;transition:background .2s,transform .25s var(--ease),box-shadow .25s;white-space:nowrap}.button:hover{transform:translateY(-2px)}.button:active{transform:translateY(0)}.primary{background:var(--blue);color:#fff;box-shadow:0 4px 9px #087cff12}.primary:hover{background:var(--blue-dark);box-shadow:0 8px 24px #087cff26}.secondary{border-color:#ccd7e4;background:#fff}.secondary:hover{background:#f8fbff}.button.small{min-height:40px;font-size:14px;padding:10px 17px;gap:8px}.button.small .icon{width:17px;height:17px}
.hero{text-align:center;padding-top:48px}.hero h1{font-size:clamp(48px,6.25vw,90px);line-height:1.15;letter-spacing:-.055em}.hero h1 span{display:block;animation:hero-in .9s var(--ease) both}.hero h1 .accent{color:var(--blue);animation-delay:.1s}.hero-lead{font-size:clamp(17px,1.65vw,23px);line-height:1.65;margin-top:20px;animation:hero-in .9s .18s var(--ease) both}.hero-actions{display:flex;justify-content:center;gap:16px;margin-top:28px;animation:hero-in .9s .24s var(--ease) both}.platform-note{font-size:13px;letter-spacing:.03em;margin:14px 0 32px}.hero-product{margin:0;position:relative}.product-image{display:block;width:100%;border:1px solid #d6dfe9;border-radius:12px;padding:0;background:#f4f7fb;overflow:hidden;position:relative;isolation:isolate;box-shadow:0 12px 30px #13284114,0 2px 5px #1328410a}.product-image img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain;transition:filter .3s}.hero-product .product-image{box-shadow:0 24px 70px -16px #102e4c2b,0 2px 5px #102e4c14}.expand-hint{position:absolute;right:18px;bottom:18px;display:flex;align-items:center;gap:8px;background:rgb(16 33 58 / .92);color:white;font-size:12px;padding:10px 13px;border-radius:7px;opacity:0;transform:translateY(8px);transition:opacity .22s,transform .22s}.product-image:hover .expand-hint,.product-image:focus-visible .expand-hint{opacity:1;transform:translateY(0)}.expand-hint .icon{width:16px;height:16px}.hero-product figcaption{display:flex;justify-content:space-between;font-size:12px;color:#7b8a9d;padding:18px 3px;text-align:left}.section-space{padding-top:110px;padding-bottom:110px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:40px;margin-bottom:44px}.section-heading p{font-size:16px;max-width:440px}.workflow-tabs{position:relative;display:flex;gap:0;border-bottom:1px solid var(--line);margin-bottom:42px}.workflow-tabs button{border:0;background:none;font-weight:600;font-size:20px;min-height:62px;padding:16px 32px;color:var(--muted);transition:color .2s}.workflow-tabs button:first-child{padding-left:20px}.workflow-tabs button[aria-selected="true"]{color:var(--blue)}.tab-indicator{position:absolute;bottom:-1px;left:0;width:150px;height:3px;background:var(--blue);transform:translateX(var(--tab-x,0px));width:var(--tab-width,150px);transition:transform .4s var(--ease),width .4s var(--ease)}.workflow-content{display:grid;grid-template-columns:1.65fr 1fr;gap:64px;align-items:center;min-height:350px}.workflow-copy{padding-block:10px}.step-number{font-size:32px;font-weight:600;color:var(--blue);letter-spacing:-.04em}.workflow-copy h3{font-size:clamp(24px,2.8vw,40px);line-height:1.3;margin:12px 0 20px}.workflow-copy p{font-size:16px;margin-bottom:24px}.text-link{display:inline-flex;align-items:center;gap:12px;font-size:15px;font-weight:600;line-height:1.6}.text-link .icon{width:19px;height:19px;transition:transform .25s}.text-link:hover{color:var(--blue)}.text-link:hover .icon{transform:translateX(5px)}.workflow-qualities{display:grid;grid-template-columns:repeat(3,1fr);margin-top:46px;padding-top:28px;border-top:1px solid var(--line);gap:32px}.workflow-qualities>div{display:flex;gap:18px;align-items:center;font-size:14px}.workflow-qualities span{color:var(--muted)}
.features-band{background:var(--soft);border-block:1px solid #edf0f4}.feature-row{border-top:1px solid var(--line);display:grid;grid-template-columns:46px 1fr 1.05fr;gap:24px;padding:32px 0;align-items:start}.feature-index{font-family:Consolas,monospace;font-size:12px;color:var(--blue);padding-top:7px}.feature-row h3{font-size:22px;letter-spacing:-.025em}.feature-row p{font-size:15px;line-height:1.9}.feature-tags{grid-column:3;color:#8492a3;letter-spacing:.015em;font-size:12px;margin-top:-15px}.legacy{display:grid;grid-template-columns:1fr 1.2fr;gap:90px}.legacy>div>p{margin-top:24px}.legacy-options article{border-bottom:1px solid var(--line);padding:0 0 25px;margin-bottom:25px}.legacy-options h3{font-size:21px;margin-bottom:10px}.legacy-options p{font-size:15px}.getting-started{padding-top:0}.steps{display:grid;grid-template-columns:repeat(4,1fr);list-style:none;padding:0;margin:0;gap:24px}.steps li{background:var(--soft);border-radius:12px;padding:26px 24px 22px}.steps li>span{font-size:34px;color:var(--blue);font-weight:600;letter-spacing:-.06em}.steps h3{font-size:21px;margin-top:8px;padding-bottom:20px;border-bottom:1px solid var(--line)}.steps p{font-size:14px;margin:18px 0;min-height:72px}.steps a{display:inline-flex;align-items:center;gap:9px;font-size:13px;color:var(--muted)}.steps a:hover{color:var(--blue)}.steps .icon{width:16px;height:16px}
.download-band{background:var(--ink);color:white;padding:65px 0 32px}.download-main{display:flex;justify-content:space-between;align-items:center;gap:40px}.download-main h2{font-size:clamp(34px,4.1vw,60px)}.download-main p{margin-top:24px;color:#9eafc4;font-size:15px;line-height:1.8}.download-action{display:flex;flex-direction:column;align-items:center;gap:14px}.download-action>.button{min-width:260px;font-size:19px;min-height:58px}.download-action>a:last-child{font-size:13px;color:#bdcbdc;display:flex;align-items:center;gap:8px}.download-action>a:last-child:hover{color:white}.download-action>a:last-child .icon{width:16px;height:16px}.download-size{font-size:12px;color:#aabbd0}.download-details{border-top:1px solid #314157;margin-top:44px;padding-top:22px;display:flex;align-items:flex-start;justify-content:space-between;gap:24px}.download-details>p{font-size:12px;color:#a0b2c8}.download-details details{font-size:12px;min-width:230px;max-width:560px}.download-details summary{display:flex;align-items:center;justify-content:space-between;gap:30px;color:#bfcee1;list-style:none}.download-details .icon{width:16px;height:16px}.download-details .release-info{padding-top:20px;color:#bccadc;line-height:1.8}.release-info p{color:inherit}.release-info ul{padding-left:18px}.release-info a,.copy-hash{background:none;border:0;padding:0;color:#8fc3ff;font-size:12px;text-decoration:underline;text-underline-offset:3px;margin-right:15px}.hash-line{margin:20px 0 10px!important}.hash-line code{display:block;font-family:Consolas,monospace;overflow-wrap:anywhere;font-size:11px}.copy-hash:disabled{color:#8a98a9;cursor:default}
.faq h2{font-size:clamp(28px,3vw,42px);margin-bottom:40px}.faq-list{border-top:1px solid var(--line)}.faq details{border-bottom:1px solid var(--line);padding:0 4px}.faq summary{display:flex;align-items:center;justify-content:space-between;gap:24px;list-style:none;font-size:18px;font-weight:600;padding:25px 0}.faq summary::-webkit-details-marker,details summary::-webkit-details-marker{display:none}.faq summary .icon{width:20px;height:20px;color:#7d91aa;transition:transform .25s}details[open]>summary .icon{transform:rotate(45deg)}.faq details p{font-size:15px;max-width:840px;padding:0 48px 26px 0}.faq details p a{color:var(--blue);text-decoration:underline;text-underline-offset:4px}.footer{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:32px;border-top:1px solid var(--line)}.footer .brand{font-size:20px}.footer p{font-size:13px}.footer>div{display:flex;gap:28px;font-size:13px}.mobile-only{display:none}.lightbox{border:1px solid #ccd6e3;padding:12px;border-radius:14px;background:#fff;width:min(1440px,95vw);max-width:none;max-height:94vh;overflow:auto;box-shadow:0 30px 100px #0004}.lightbox::backdrop{background:#0a1729c9;backdrop-filter:blur(8px)}.lightbox>img{width:100%;display:block;object-fit:contain;border-radius:8px}.lightbox p{font-size:13px;padding:13px 10px 4px}.lightbox-close{position:absolute;right:22px;top:22px;border:1px solid #bac7d8;background:#fff;border-radius:50%;width:36px;height:36px;display:grid;place-items:center;box-shadow:0 3px 12px #0002}.toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%,20px);padding:12px 24px;background:var(--ink);color:white;border-radius:8px;font-size:14px;opacity:0;pointer-events:none;transition:opacity .2s,transform .25s;z-index:100}.toast.show{opacity:1;transform:translate(-50%,0)}
.motion-ready .reveal{opacity:0;transform:translateY(25px);transition:opacity .8s var(--ease),transform .8s var(--ease)}.motion-ready .reveal.visible{opacity:1;transform:none}.steps .reveal:nth-child(2){transition-delay:.08s}.steps .reveal:nth-child(3){transition-delay:.16s}.steps .reveal:nth-child(4){transition-delay:.24s}.workflow-content.switching .workflow-visual,.workflow-content.switching .workflow-copy{animation:step-in .45s var(--ease) both}.workflow-content.switching .workflow-copy{animation-delay:.04s}@keyframes hero-in{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}@keyframes step-in{from{opacity:.2;transform:translateY(10px)}to{opacity:1;transform:none}}
.guide-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:70px;padding-top:65px;padding-bottom:100px}.guide-nav{position:sticky;top:112px;align-self:start;display:flex;flex-direction:column;gap:16px;font-size:14px}.guide-nav strong{font-size:13px;letter-spacing:.04em;color:#7d8da0;margin-bottom:8px}.guide-nav a{padding:6px 0}.guide-nav a:hover{color:var(--blue)}.guide-main{max-width:840px}.guide-main>h1{font-size:48px;line-height:1.3}.guide-main>.intro{font-size:18px;margin:20px 0 50px}.guide-main section{padding-top:35px;padding-bottom:35px;border-top:1px solid var(--line);scroll-margin-top:100px}.guide-main h2{font-size:29px;margin-bottom:23px}.guide-main h3{font-size:19px;margin:24px 0 12px}.guide-main p,.guide-main li{font-size:15px;color:var(--muted);line-height:1.95}.guide-main li{margin-bottom:9px}.guide-main ol,.guide-main ul{padding-left:22px}.guide-main a{color:var(--blue)}.guide-main code{font-family:Consolas,"Microsoft YaHei",monospace;font-size:.88em;background:#f1f4f8;border:1px solid #e0e7ef;padding:2px 5px;border-radius:4px;overflow-wrap:anywhere}.guide-main .note{background:var(--soft);border-left:3px solid var(--blue);padding:16px 22px;margin-top:20px}.guide-main .product-image{margin:28px 0}.guide-main table{width:100%;border-collapse:collapse;font-size:14px;margin-top:20px}.guide-main th,.guide-main td{text-align:left;border-bottom:1px solid var(--line);padding:14px 12px;line-height:1.7}.guide-main th{background:var(--soft)}.guide-main td{color:var(--muted)}
@media(min-width:1600px){.hero{padding-top:58px}.hero h1{font-size:92px}.hero-product{margin-top:8px}}
@media(max-width:1100px){.container{width:calc(100% - 64px)}.nav-links{gap:26px}.section-space{padding-block:80px}.workflow-content{gap:34px;grid-template-columns:1.4fr 1fr}.workflow-copy h3{font-size:30px}.workflow-qualities>div{display:block}.workflow-qualities span{display:block;margin-top:8px}.feature-row{grid-template-columns:28px 1fr 1fr;gap:18px}.feature-row h3{font-size:20px}.legacy{gap:45px}.steps{gap:14px}.steps li{padding:22px 18px}.steps h3{font-size:19px}.getting-started{padding-top:0}.guide-layout{gap:40px;grid-template-columns:180px minmax(0,1fr)}}
@media(max-width:760px){html{scroll-padding-top:90px}.container{width:calc(100% - 40px)}.nav{height:68px;gap:16px}.brand{font-size:22px;gap:9px}.brand img{width:29px;height:29px}.nav-links{display:none}.nav>.button{font-size:12px;min-height:36px;padding:8px 12px}.nav>.button .icon{display:none}.hero{padding-top:50px}.hero h1{font-size:clamp(42px,10vw,64px)}.hero-lead{font-size:15px;line-height:1.8;margin-top:20px}.hero-actions{gap:10px;margin-top:25px}.hero-actions .button{font-size:13px;min-height:46px;padding:11px 14px;gap:8px}.hero-actions .icon{width:17px;height:17px}.platform-note{font-size:11px;margin:15px 0 27px}.product-image{border-radius:8px}.hero-product figcaption{font-size:10px;gap:10px;line-height:1.7;padding-top:12px}.expand-hint{display:none}.section-space{padding-top:65px;padding-bottom:65px}.section-heading{display:block;margin-bottom:30px}.section-heading p{margin-top:22px;font-size:14px}.section-heading>.text-link{margin-top:20px}.workflow-tabs{margin-bottom:26px}.workflow-tabs button,.workflow-tabs button:first-child{padding:13px 16px;font-size:16px;min-height:53px;flex:1}.workflow-content{grid-template-columns:1fr;gap:24px;min-height:0}.workflow-copy{padding:0}.step-number{font-size:24px}.workflow-copy h3{font-size:30px;margin:8px 0 16px}.workflow-copy p{font-size:14px;margin-bottom:20px}.workflow-qualities{gap:12px;padding-top:22px;margin-top:30px}.workflow-qualities>div{font-size:12px}.workflow-qualities span{font-size:11px;line-height:1.8}.feature-row{grid-template-columns:24px 1fr;gap:10px 14px;padding:26px 0}.feature-row h3{font-size:20px}.feature-row p{grid-column:2;font-size:14px}.feature-tags{grid-column:2;margin-top:2px;font-size:10px}.legacy{grid-template-columns:1fr;gap:34px}.legacy>div>p{margin-top:16px;font-size:14px}.legacy-options h3{font-size:19px}.legacy-options p{font-size:14px}.steps{grid-template-columns:1fr 1fr;gap:12px}.steps li{padding:20px 17px}.steps li>span{font-size:28px}.steps h3{font-size:18px;margin-top:6px;padding-bottom:14px}.steps p{font-size:12px;min-height:67px;margin:14px 0}.steps a{font-size:11px}.getting-started{padding-top:0}.download-band{padding:48px 0 28px}.download-main{display:block}.download-main h2{font-size:36px}.download-main p{font-size:13px;margin-top:20px}.download-action{margin-top:32px;align-items:flex-start}.download-action>.button{font-size:17px;min-height:53px;min-width:240px}.download-details{display:block;margin-top:30px;padding-top:20px}.download-details>p{font-size:11px;line-height:1.8;margin-bottom:23px}.download-details details{width:100%}.faq h2{line-height:1.45;font-size:29px;margin-bottom:27px}.faq summary{font-size:15px;padding:21px 0}.faq details p{font-size:13px;padding-right:15px}.mobile-only{display:block}.footer{flex-wrap:wrap;gap:18px;padding-block:28px}.footer .brand{font-size:19px}.footer p{font-size:11px}.footer>div{width:100%;font-size:12px}.guide-layout{display:block;padding-top:35px}.guide-nav{position:static;flex-direction:row;flex-wrap:wrap;gap:5px 18px;margin-bottom:36px;font-size:12px}.guide-nav strong{width:100%}.guide-main>h1{font-size:36px}.guide-main>.intro{font-size:16px;margin-bottom:35px}.guide-main h2{font-size:25px}.guide-main p,.guide-main li{font-size:14px}.guide-main th,.guide-main td{padding:12px 8px;font-size:12px}.lightbox{padding:7px;border-radius:8px}.lightbox-close{top:12px;right:12px;width:30px;height:30px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.motion-ready .reveal{opacity:1;transform:none}}
.download-dialog{width:min(500px,calc(100vw - 32px));border:1px solid var(--line);border-radius:20px;padding:40px;box-shadow:0 30px 100px #10213a33;color:var(--ink)}.download-dialog::backdrop{background:#10213a80;backdrop-filter:blur(7px)}.dialog-close{position:absolute;right:18px;top:14px;background:none;border:0;font-size:28px;color:var(--muted);width:34px;height:34px}.eyebrow{font-size:11px;font-weight:600;letter-spacing:.12em;color:var(--blue)}.download-dialog h2{font-size:29px;letter-spacing:-.03em;margin:16px 0}.download-dialog>p{font-size:14px}.download-dialog form,.manage-main form{margin-top:27px;display:flex;flex-direction:column;gap:12px}.download-dialog label,.manage-main label{font-size:14px;font-weight:600}.download-dialog input,.manage-main input{border:1px solid #ccd8e5;border-radius:9px;padding:14px 15px;color:var(--ink);background:#fbfcfe;width:100%;min-height:50px;outline-offset:3px}.download-dialog input:focus,.manage-main input:focus{outline:2px solid #92c6ff}.download-dialog [role="status"],.manage-main [role="status"]{font-size:13px;line-height:1.7;min-height:22px}.download-dialog small{display:block;color:var(--muted);margin-top:22px;font-size:11px}.download-dialog form>a{color:var(--blue);font-size:14px}.button:disabled{opacity:.55;cursor:wait}.manage-main{width:min(560px,calc(100% - 40px));margin:70px auto 100px}.manage-main h1{font-size:38px;margin:20px 0}.manage-main>p{font-size:15px}.manage-main label:not(:first-child){margin-top:10px}.manage-main .management-note{margin-top:28px;font-size:12px}.manage-main button{margin-top:8px}.download-dialog [hidden]{display:none}@media(max-width:760px){.download-dialog{padding:32px 24px}.download-dialog h2{font-size:26px}.manage-main{margin-top:45px}.manage-main h1{font-size:31px}}