:root{--ink:#182738;--muted:#536477;--blue:#1769d2;--green:#00c88a;--night:#14293e;--pale:#f3f6fa;--line:#dde5ed;--radius:8px;color-scheme:light;color:var(--ink);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif;font-size:16px;line-height:1.75}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}a:hover{color:var(--blue)}a:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:5px}img{max-width:100%;height:auto;display:block}h1,h2,h3{letter-spacing:-.025em;margin:0 0 18px;font-weight:700;line-height:1.3}h1{font-size:clamp(34px,4.4vw,56px)}h2{font-size:clamp(27px,3vw,36px)}h3{font-size:23px}p{color:var(--muted);margin:0 0 20px}small{font-size:13px}.container{width:min(1200px,100% - 80px);margin-inline:auto}.skip-link{z-index:20;background:#fff;padding:10px;position:absolute;top:-100px;left:20px}.skip-link:focus{top:12px}.header{border-bottom:1px solid var(--line);z-index:5;background:#fff;position:relative}.nav{align-items:center;gap:32px;min-height:88px;display:flex;position:relative}.brand{white-space:nowrap;letter-spacing:-.03em;align-items:center;gap:12px;margin-right:auto;font-size:25px;font-weight:750;display:flex}.brand svg{color:var(--green)}.desktop-link,summary{font-weight:600}.desktop-link{padding-block:15px}.products-menu summary{cursor:pointer;align-items:center;gap:8px;min-height:48px;list-style:none;display:flex}.products-menu summary::-webkit-details-marker{display:none}.products-menu[open]>summary{color:var(--blue)}.chevron{font-size:18px;transition:transform .15s}.products-menu[open] .chevron{transform:rotate(180deg)}.mobile-label,.mobile-support{display:none}.menu-panel{border:1px solid var(--line);background:#fff;border-radius:12px;max-height:calc(100dvh - 100px);padding:30px;position:absolute;top:76px;left:0;right:0;overflow:auto;box-shadow:0 18px 50px #14293e26}.menu-groups{grid-template-columns:1.2fr 1fr 1fr;gap:32px;display:grid}.menu-groups h2{color:var(--muted);letter-spacing:0;margin-bottom:16px;font-size:14px}.menu-product{border-radius:6px;margin:0 -10px 4px;padding:12px 10px;display:block}.menu-product:hover{background:var(--pale)}.menu-product strong{font-size:17px;display:block}.menu-product>span{color:var(--muted);margin-top:3px;font-size:14px;display:block}.menu-product.featured{background:#edf6ff;margin:0 0 12px;padding:18px}.tag{color:#008459;margin-left:10px;font-size:11px;font-weight:500}.menu-legacy{border-top:1px solid var(--line);gap:26px;margin-top:22px;padding-top:18px;font-size:14px;display:flex}.menu-legacy>.legacy-hub-link{color:var(--muted);white-space:nowrap}.menu-legacy>div{flex-wrap:wrap;gap:8px 22px;display:flex}.menu-legacy a{padding-bottom:8px}.hero{background:var(--night);color:#fff;padding:68px 0}.hero-intro{margin-bottom:36px}.hero-intro h1{max-width:740px;line-height:1.23}.hero-intro>p{color:#c6d3e0;max-width:790px;margin-bottom:0;font-size:18px}.featured-grid{grid-template-columns:1fr 1fr;gap:40px;display:grid}.featured-product{min-width:0}.product-copy{border-top:1px solid #466078;padding-top:24px;padding-bottom:34px}.eyebrow{color:var(--green);margin-bottom:14px;font-size:14px;font-weight:650;display:block}.featured-product h2{font-size:30px}.hero p{color:#c6d3e0}.button{background:var(--blue);border:1px solid var(--blue);color:#fff;border-radius:6px;justify-content:center;align-items:center;min-height:48px;padding:12px 20px;font-weight:600;line-height:1.5;display:inline-flex}.button:hover{color:#fff;background:#1259b7}.product-copy>small{color:#c6d3e0;margin-top:16px;display:block}.product-image{aspect-ratio:8/5;background:#f3f0ff;border-radius:8px;overflow:hidden}.product-image.blue-frame{background:#e6f2ff}.product-image img{object-fit:contain;width:100%;height:100%}.section{padding:76px 0}.section-intro{margin-bottom:30px}.section-intro p{max-width:740px}.tools-grid{grid-template-columns:repeat(3,1fr);gap:40px;display:grid}.tool{border-top:1px solid var(--line);padding-top:24px}.tool small{color:var(--muted);margin-bottom:12px;display:block}.tool h3{margin-bottom:12px}.tool p{margin-bottom:10px}.text-link{color:var(--blue);text-underline-offset:5px;padding-block:5px;font-weight:600;text-decoration:underline;display:inline-block}.pale{background:var(--pale)}.help-grid{grid-template-columns:1fr 1fr;gap:60px;display:grid}.help-grid>div>p{max-width:480px}.help-links{gap:26px;display:grid}.help-links h3{margin-bottom:10px}.help-links p{margin-bottom:8px}.legacy-buttons{flex-wrap:wrap;gap:10px;margin:24px 0 18px;display:flex}.legacy-buttons>a{border:1px solid var(--line);color:var(--blue);border-radius:6px;padding:10px 16px;font-weight:600}.legacy-buttons>a:hover{background:var(--pale)}footer{color:#d8e2eb;background:#142331;padding:38px 0}.footer-inner{flex-wrap:wrap;align-items:flex-start;gap:36px;display:flex}.footer-brand{font-size:21px}.footer-inner p{color:#b9c7d4;margin:10px 0 0;font-size:14px}.footer-inner nav{flex-wrap:wrap;gap:22px;margin-left:auto;font-size:14px;display:flex}.footer-inner small{color:#b9c7d4;width:100%}.product-heading{grid-template-columns:1fr 1.1fr;align-items:center;gap:48px;display:grid}.product-heading h2{font-size:26px;font-weight:550}.product-heading h1{margin-bottom:20px}.product-heading .back-link{color:#c6d3e0;margin-bottom:26px;display:block}.downloads{flex-wrap:wrap;gap:12px;margin:24px 0 16px;display:flex}.downloads .button{font-size:14px}.product-heading small{color:#c6d3e0}.article-content{overflow-wrap:anywhere;font-size:17px;line-height:1.85}.article-content p{color:#334658;margin:20px 0}.article-content h2{margin:48px 0 22px;scroll-margin-top:24px;font-size:30px}.article-content h3{margin:32px 0 16px;font-size:23px}.article-content h4{font-size:19px}.article-content a{color:var(--blue);text-underline-offset:4px;text-decoration:underline}.article-content img{border:1px solid var(--line);object-fit:contain;border-radius:8px;max-height:900px;margin:24px auto}.article-content ul,.article-content ol{padding-left:26px}.article-content pre{white-space:pre-wrap;word-break:break-word;background:var(--pale);border-radius:8px;padding:18px}.product-body{width:min(920px,100% - 80px);margin:60px auto 90px}.article-layout{grid-template-columns:minmax(0,800px) 250px;gap:80px;padding-block:60px 90px;display:grid}.article-header{border-bottom:1px solid var(--line);margin-bottom:32px;padding-bottom:28px}.article-header h1{margin-top:20px;font-size:clamp(30px,3.3vw,43px)}.article-dates{color:var(--muted);margin:0;font-size:14px}.back-link{color:var(--blue);font-size:14px}.article-aside{border-left:1px solid var(--line);align-self:start;margin-top:70px;padding-left:24px;font-size:15px}.article-aside h2{font-size:22px}.article-aside hr{border:0;border-top:1px solid var(--line);margin:24px 0}.post-list{max-width:800px;margin:40px 0}.post-list article{border-top:1px solid var(--line);padding:28px 0}.post-list h2{margin-top:12px;font-size:28px}.post-list time{color:var(--muted);font-size:14px}.lead{font-size:19px}@media (width<=1000px){.nav{gap:20px}.brand{font-size:22px}.container{width:calc(100% - 48px)}.article-layout{grid-template-columns:minmax(0,1fr) 210px;gap:36px}.product-heading{gap:30px}.product-heading h1{font-size:38px}}@media (width<=760px){.container{width:calc(100% - 40px)}.nav{min-height:76px}.brand{gap:10px;font-size:22px}.brand svg{width:28px;height:28px}.desktop-link,.desktop-label{display:none}.mobile-label{display:inline}.menu-panel{overscroll-behavior:contain;max-height:calc(100dvh - 90px);padding:22px;top:66px;left:-8px;right:-8px}.mobile-support{border-bottom:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;gap:12px;margin-bottom:22px;padding-bottom:18px;font-size:14px;display:flex}.mobile-support a{padding-block:7px}.menu-groups{grid-template-columns:1fr;gap:20px}.menu-groups>section+section{border-top:1px solid var(--line);padding-top:20px}.menu-legacy{display:block}.menu-legacy>div{margin-top:12px}.hero{padding:42px 0}.hero-intro{margin-bottom:30px}.hero-intro h1{font-size:36px}.hero-intro p{font-size:17px}.featured-grid{grid-template-columns:1fr;gap:36px}.product-copy{padding-bottom:24px}.featured-product h2{font-size:28px}.tools-grid{grid-template-columns:1fr;gap:30px}.section{padding:48px 0}.help-grid{grid-template-columns:1fr;gap:30px}.help-grid h2 br{display:none}.tool h3{font-size:23px}.footer-inner{gap:24px}.footer-inner nav{gap:12px 20px;margin-left:0}.product-heading{grid-template-columns:1fr;gap:30px}.product-heading h1{font-size:38px}.product-heading h2{font-size:25px}.product-body{width:calc(100% - 40px);margin-block:40px 60px}.article-layout{grid-template-columns:1fr;padding-block:36px 60px}.article-aside{border-left:0;border-top:1px solid var(--line);margin:0;padding:24px 0 0}.article-content{font-size:16px}.article-content h2{font-size:27px}.article-content h3{font-size:22px}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}.hero-intro h1{text-wrap:balance}.article-content table{border-collapse:collapse;max-width:100%;margin:24px 0;display:block;overflow:auto}.article-content th,.article-content td{border:1px solid var(--line);min-width:100px;padding:10px 14px}.article-content th{background:var(--pale)}.old-heading-anchor{scroll-margin-top:24px;display:block}.article-aside{overflow-wrap:anywhere}body{flex-direction:column;min-height:100dvh;display:flex}body>main{flex:1}body>.header,body>.site-footer{flex-shrink:0}:root{--site-header-height:77px;scroll-padding-top:var(--site-header-height)}.header{z-index:20;position:sticky;top:0}.nav>.desktop-link,.products-menu>summary{transition:box-shadow .16s;box-shadow:inset 0 -3px #0000}.nav>.desktop-link:hover,.nav>.desktop-link[aria-current=page],.products-menu[open]>summary,.products-menu.is-current>summary{box-shadow:inset 0 -3px #1769d2}.nav>.desktop-link[aria-current=page],.products-menu.is-current>summary{color:#1769d2}.menu-product[aria-current=page]{background:#edf6ff;box-shadow:inset 3px 0 #1769d2}@media (width>=761px){.nav{align-items:stretch}.nav>.brand{align-self:center}.nav>.desktop-link,.products-menu>summary{align-items:center;min-height:76px;padding-block:0;display:flex}.menu-panel{border-top:1px solid #e1e9f2;border-radius:0 0 16px 16px;top:100%;box-shadow:0 18px 42px #14293e1c}}@media (width<=760px){:root{--site-header-height:77px}.products-menu>summary{min-height:52px}.menu-panel{max-height:calc(100dvh - var(--site-header-height) - 12px);top:100%}}.nav.container,.site-footer>.container{width:min(1280px,100% - 80px)}.nav{gap:30px;min-height:76px}.nav>.brand{gap:10px;font-size:23px}.nav>.brand svg{flex:none;width:30px;height:30px}.nav>.desktop-link,.products-menu>summary{font-size:15px;font-weight:600}.products-menu>summary:after{content:"";border-bottom:1.5px solid;border-right:1.5px solid;width:6px;height:6px;margin-top:-4px;margin-left:3px;transform:rotate(45deg)}.products-menu[open]>summary:after{margin-top:3px;transform:rotate(225deg)}.menu-panel{background:#fff;border-color:#e5e9f0;padding:28px 30px}.menu-groups h2{color:#657183;margin:0 0 14px;font-size:12px}.menu-product strong{font-size:16px;line-height:1.5}.menu-product>span{color:#596779;font-size:13px;line-height:1.7}.menu-product.featured{background:#f3f6fc;border:1px solid #e6ebf4;border-radius:10px}.menu-product.featured:hover{background:#eaf0fb;border-color:#cbd9f0}.menu-product .tag{color:#245ec0;background:#e6edfc;border-radius:4px;padding:1px 6px;font-size:10px;display:inline-block}.menu-legacy{border-color:#e6eaf0;font-size:12px}.nav a:focus-visible,.products-menu>summary:focus-visible{outline-offset:4px;border-radius:4px;outline:2px solid #2466de}.site-footer{background:#1c2533;padding:44px 0 26px}.site-footer .footer-inner{grid-template-columns:1fr 1.4fr;gap:28px 48px;display:grid}.site-footer .footer-inner nav{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px 20px;margin:0;font-size:13px;display:grid}.site-footer .footer-inner small{border-top:1px solid #ffffff1c;grid-column:1/-1;padding-top:20px;font-size:12px}.site-footer a:focus-visible{outline-offset:4px;outline:2px solid #94b9ff}@media (width<=1000px){.nav.container,.site-footer>.container{width:calc(100% - 48px)}.nav{gap:22px}.site-footer .footer-inner{gap:26px}}@media (width<=760px){.nav.container,.site-footer>.container{width:calc(100% - 36px)}.nav>.brand{font-size:21px}.menu-panel{padding:22px 20px}.menu-groups{gap:22px}.mobile-support{border-bottom:1px solid #e6eaf0;margin-bottom:22px;padding-bottom:16px}.site-footer .footer-inner{grid-template-columns:1fr}.site-footer .footer-inner nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 22px}}.announcement[data-astro-cid-h4bjbk3l]{background:var(--notice-bg);color:var(--notice-fg);font-size:var(--notice-size)}.announcement[data-astro-cid-h4bjbk3l][hidden]{display:none}.announcement-inner[data-astro-cid-h4bjbk3l]{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px 24px;width:min(1400px,100% - 48px);margin:auto;padding-block:10px;display:flex}.announcement[data-astro-cid-h4bjbk3l] p[data-astro-cid-h4bjbk3l]{color:inherit;overflow-wrap:anywhere;margin:0;line-height:1.6}.announcement[data-astro-cid-h4bjbk3l] a[data-astro-cid-h4bjbk3l]{color:inherit;text-underline-offset:4px;white-space:nowrap;align-items:center;gap:6px;min-height:28px;font-weight:650;text-decoration:underline;display:inline-flex}.announcement[data-astro-cid-h4bjbk3l] a[data-astro-cid-h4bjbk3l]:hover{text-decoration-thickness:2px}.announcement[data-astro-cid-h4bjbk3l] a[data-astro-cid-h4bjbk3l]:focus-visible{outline-offset:4px;outline:2px solid}.announcement-countdown[data-astro-cid-h4bjbk3l]{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;font-size:14px;display:flex}[data-astro-cid-h4bjbk3l][data-countdown]{font-variant-numeric:tabular-nums;min-width:8ch;font-weight:700}.announcement[data-astro-cid-h4bjbk3l] time[data-astro-cid-h4bjbk3l]{font-size:12px}@media (width<=600px){.announcement[data-astro-cid-h4bjbk3l]{font-size:min(var(--notice-size),18px)}.announcement-inner[data-astro-cid-h4bjbk3l]{text-align:center;gap:6px 16px;width:calc(100% - 32px)}.announcement[data-astro-cid-h4bjbk3l] time[data-astro-cid-h4bjbk3l]{flex-basis:100%}}.upgrade-notice[data-astro-cid-ocpfge2a]{--notice-bg:#6336a5;background:var(--notice-bg);color:#fff;text-align:center;width:100%;margin:0;padding:9px 24px}[data-astro-cid-ocpfge2a][data-upgrade-product=lianloader]{--notice-bg:#155cad}.upgrade-copy[data-astro-cid-ocpfge2a]{flex-wrap:wrap;justify-content:center;align-items:baseline;gap:2px 16px;max-width:1400px;margin:auto;display:flex}.upgrade-copy[data-astro-cid-ocpfge2a] strong[data-astro-cid-ocpfge2a]{font-size:13px;line-height:1.6}.upgrade-copy[data-astro-cid-ocpfge2a] p[data-astro-cid-ocpfge2a]{color:#f1f4ff;margin:0;font-size:12px;line-height:1.6}.compact[data-astro-cid-ocpfge2a]{color:#ece3ff;text-align:left;background:0 0;border-top:1px solid #ffffff26;margin:8px 0 0;padding:8px 0}.compact[data-astro-cid-ocpfge2a][data-upgrade-product=lianloader]{color:#cfedff}.compact[data-astro-cid-ocpfge2a] .upgrade-copy[data-astro-cid-ocpfge2a]{display:block}.compact[data-astro-cid-ocpfge2a] .upgrade-copy[data-astro-cid-ocpfge2a] strong[data-astro-cid-ocpfge2a]{font-size:13px;font-weight:600}.compact[data-astro-cid-ocpfge2a] .upgrade-copy[data-astro-cid-ocpfge2a] p[data-astro-cid-ocpfge2a]{color:#c2cede;margin-top:2px;font-size:12px}@media (width<=700px){.upgrade-notice[data-astro-cid-ocpfge2a]{text-align:left;padding:7px 16px}.upgrade-copy[data-astro-cid-ocpfge2a]{display:block}.upgrade-copy[data-astro-cid-ocpfge2a] strong[data-astro-cid-ocpfge2a],.upgrade-copy[data-astro-cid-ocpfge2a] p[data-astro-cid-ocpfge2a]{font-size:12px}.compact[data-astro-cid-ocpfge2a]{padding:8px 0}.compact[data-astro-cid-ocpfge2a] .upgrade-copy[data-astro-cid-ocpfge2a] strong[data-astro-cid-ocpfge2a]{font-size:12px}}.support-launcher[data-astro-cid-264ntcjr]{bottom:max(22px,env(safe-area-inset-bottom));z-index:30;font-family:system-ui,Microsoft YaHei,sans-serif;position:fixed}.support-launcher[data-astro-cid-264ntcjr][hidden],.support-connection[data-astro-cid-264ntcjr][hidden]{display:none}.support-chatwoot[data-astro-cid-264ntcjr]{right:max(20px,env(safe-area-inset-right))}.support-crisp[data-astro-cid-264ntcjr]{left:max(20px,env(safe-area-inset-left))}.support-launch-button[data-astro-cid-264ntcjr]{color:#fff;background:#1763df;border:1px solid #ffffff70;border-radius:30px;align-items:center;gap:8px;min-height:52px;padding:12px 17px;font-size:14px;font-weight:600;display:flex;box-shadow:0 5px 22px #143c7130}.support-chatwoot[data-astro-cid-264ntcjr] .support-launch-button[data-astro-cid-264ntcjr]{background:#087d74}.support-launch-button[data-astro-cid-264ntcjr]:hover{color:#fff;filter:brightness(.92)}.support-launch-button[data-astro-cid-264ntcjr] svg[data-astro-cid-264ntcjr]{width:24px;height:24px}.support-connection[data-astro-cid-264ntcjr]{color:#20374b;background:#fff;border:1px solid #dce5ed;border-radius:12px;width:min(290px,100vw - 40px);padding:20px;position:absolute;bottom:66px;box-shadow:0 12px 40px #143c7128}.support-chatwoot[data-astro-cid-264ntcjr] .support-connection[data-astro-cid-264ntcjr]{right:0}.support-connection[data-astro-cid-264ntcjr] p[data-astro-cid-264ntcjr]{margin:0 0 12px;padding-right:16px;font-size:14px}.support-connection[data-astro-cid-264ntcjr] a[data-astro-cid-264ntcjr]{color:#1763df;padding-block:4px;font-size:14px;text-decoration:underline;display:block}.support-connection[data-astro-cid-264ntcjr] button[data-astro-cid-264ntcjr]{cursor:pointer;color:#466078;background:0 0;border:0;width:32px;height:32px;font-size:24px;position:absolute;top:4px;right:4px}.support-connection[data-astro-cid-264ntcjr] button[data-astro-cid-264ntcjr]:focus-visible{outline:3px solid #1763df}@media (width<=520px){.support-launch-button[data-astro-cid-264ntcjr]{border-radius:50%;padding:12px}.support-launch-button[data-astro-cid-264ntcjr] span[data-astro-cid-264ntcjr]{display:none}}