@charset "UTF-8";
:root{color-scheme:light;--ink:#1d1d1f;--muted:#6e6e73;--blue:#0071e3;--line:#dedee3;--font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;--glass:linear-gradient(140deg,#ffffffd9,#ffffff73 48%,#ffffffa8);--glass-shadow:0 12px 36px #26375810,0 2px 5px #35456806,inset 0 1px 0 #fff,inset 0 -1px 1px #ffffffc9}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;color:var(--ink);background:#f5f5f7;font:16px/1.65 var(--font);-webkit-font-smoothing:antialiased}h1,h2,h3,h4,p{margin:0}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent;touch-action:manipulation}button{border:0}img,svg{max-width:100%;vertical-align:middle}a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid #0071e3;outline-offset:5px}::selection{color:#003d88;background:#c4e2ff}[hidden]{display:none!important}.container{width:min(100%,1228px);padding:0 24px;margin-inline:auto}.icon{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.skip-link{position:fixed;top:-90px;left:20px;background:#0071e3;color:#fff;z-index:200;border-radius:30px;padding:12px 24px}.skip-link:focus{top:20px}
.site-header{position:sticky;top:16px;width:min(1200px,calc(100% - 48px));height:64px;margin:16px auto 0;z-index:100}.navbar{position:relative;display:flex;align-items:center;gap:30px;height:100%;width:100%;padding:0 20px 0 24px;border:1px solid #ffffffee;border-radius:36px;background:var(--glass);backdrop-filter:blur(24px) saturate(1.65);-webkit-backdrop-filter:blur(24px) saturate(1.65);box-shadow:var(--glass-shadow)}.navbar:before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:radial-gradient(ellipse at var(--light-x,30%) 0%,#fff8,transparent 50%);box-shadow:inset 1px 0 1px #fff9,inset -1px 0 1px #fff9}.brand{position:relative;display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-size:18px;font-weight:650;letter-spacing:-.5px}.brand img{width:27px;height:27px;object-fit:contain}.main-nav{position:relative;display:flex;align-items:center;gap:28px;margin-left:auto;font-size:12px;white-space:nowrap;color:#45454b}.main-nav a{padding:11px 0;transition:color .2s}.main-nav a:hover,.main-nav a[aria-current=page]{color:#0071e3}.nav-download{gap:8px;min-height:44px;flex-shrink:0;font-size:12px;line-height:1.5;padding:9px 17px}.nav-download>span{display:none}.menu-toggle{position:relative;display:none;width:40px;height:40px;flex-direction:column;align-items:center;justify-content:center;gap:5px;border-radius:50%;background:#ffffff60}.menu-toggle span{width:17px;height:1.5px;background:#1d1d1f;transition:transform .25s}.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(3.25px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-3.25px) rotate(-45deg)}
/* Shared glass controls. Light stays behind the label. */
.button,.nav-download{
  position:relative;isolation:isolate;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid #cbd8e8;border-radius:16px;white-space:nowrap;font-weight:550;text-decoration:none;
  background:linear-gradient(165deg,#ffffffed,#f3f7fccc 55%,#eaf0f8eb);color:#24527d;
  box-shadow:inset 0 1px 0 #fff,inset 0 -1px 1px #abc0d72b,0 2px 3px #2c486d05,0 6px 14px -9px #46699036;
  transition:transform .32s cubic-bezier(.22,1,.36,1),box-shadow .32s,border-color .25s,background-color .25s;
}
.button{gap:9px;min-height:48px;padding:11px 24px;font-size:15px;line-height:1.5}
.button::before,.nav-download::before{
  content:"";position:absolute;pointer-events:none;z-index:-1;inset:1px;border-radius:14px;
  border:1px solid transparent;border-top-color:#ffffff8c;border-left-color:#ffffff29;border-right-color:#ffffff29;
  background:linear-gradient(120deg,#ffffff17,transparent 34%,transparent 70%,#ffffff0a);
}
.button::after,.nav-download::after{
  content:"";position:absolute;pointer-events:none;z-index:-1;inset:2px;border-radius:13px;
  background:linear-gradient(112deg,transparent 24%,#ffffff14 46%,#ffffff06 58%,transparent 76%);
  opacity:0;transform:translateX(-9px);transition:opacity .45s,transform .7s cubic-bezier(.22,1,.36,1);
}
.button-primary,.nav-download{
  color:#fff;border-color:#1266cbd6;
  background:radial-gradient(ellipse at 28% -55%,#9bd8ff7a,transparent 68%),linear-gradient(180deg,#106dd0,#085fc4 54%,#0757b8);
  box-shadow:inset 0 1px 0 #b8e0ff8f,inset 0 -1px 1px #004ba466,0 1px 2px #0651aa1c,0 7px 15px -9px #075cb65c;
  text-shadow:0 1px 1px #06489424;
}
.button-primary::before,.nav-download::before{border-top-color:#ddf2ff8c;border-left-color:#c8e7ff30;border-right-color:#8ecaff38}
.button-secondary{-webkit-backdrop-filter:blur(18px) saturate(1.35);backdrop-filter:blur(18px) saturate(1.35);color:#24527d;border-color:#c8d8e9}
.button .icon{width:19px;height:19px}
.nav-download{border-radius:14px}
.nav-download::before{border-radius:12px}.nav-download::after{border-radius:11px}
.menu-toggle{border:1px solid #ffffffeb;border-radius:14px;background:linear-gradient(155deg,#ffffffe8,#eef4fbbb);box-shadow:inset 0 1px 0 #fff,inset 0 -1px 1px #a8bed524,0 3px 8px -5px #536d9529;transition:background-color .25s,box-shadow .25s,transform .25s}
@media(hover:hover) and (pointer:fine){
  .button:not(:disabled):not([aria-disabled=true]):hover,.nav-download:not([aria-disabled=true]):hover{transform:translateY(-1px);border-color:#aec6e1;box-shadow:inset 0 1px 0 #fff,inset 0 -1px 1px #abc0d733,0 8px 20px -11px #365c913d}
  .button-primary:not(:disabled):not([aria-disabled=true]):hover,.nav-download:not([aria-disabled=true]):hover{border-color:#1462c2;box-shadow:inset 0 1px 0 #d5edffad,inset 0 -1px 1px #004ba466,0 8px 20px -9px #075bbb70}
  .button:not(:disabled):not([aria-disabled=true]):hover::after,.nav-download:not([aria-disabled=true]):hover::after{opacity:1;transform:translateX(0)}
  .menu-toggle:not(:disabled):hover{background-color:#fff;box-shadow:inset 0 1px 0 #fff,0 4px 12px -6px #385a8833}
}
.button:not(:disabled):not([aria-disabled=true]):active,.nav-download:not([aria-disabled=true]):active{transform:translateY(1px) scale(.985);box-shadow:inset 0 2px 5px #24466b26,inset 0 -1px 0 #ffffff52,0 1px 3px #2544690a}
.menu-toggle:not(:disabled):active{transform:scale(.95)}
.button:focus-visible,.nav-download:focus-visible,.menu-toggle:focus-visible{outline:3px solid #1b75dd;outline-offset:4px}
.button:is(:disabled,[aria-disabled=true]),.nav-download[aria-disabled=true]{color:#5b6a7b;background:#e4eaf1;border-color:#cbd4df;box-shadow:inset 0 1px 0 #ffffffb3;text-shadow:none;cursor:not-allowed;transform:none}
.button:is(:disabled,[aria-disabled=true])::before,.button:is(:disabled,[aria-disabled=true])::after,.nav-download[aria-disabled=true]::before,.nav-download[aria-disabled=true]::after{opacity:0}
button:disabled{cursor:not-allowed}.menu-toggle:disabled{background:#e4eaf1;border-color:#cbd4df;box-shadow:none}.menu-toggle:disabled span{background:#6c798b}
.text-link{display:inline-flex;align-items:center;gap:7px;min-height:32px;color:#0071e3;font-size:16px}.text-link:hover{text-decoration:underline;text-underline-offset:4px}.text-link .icon{width:17px;height:17px}.glass-surface{border:1px solid #ffffffd9;background:var(--glass);backdrop-filter:blur(22px) saturate(1.6);-webkit-backdrop-filter:blur(22px) saturate(1.6);box-shadow:var(--glass-shadow)}
.site-footer{background:#f5f5f7;color:#6e6e73;padding:42px 0 24px;border-top:1px solid #e3e3e8}.footer-top,.page-footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:48px}.footer-brand .brand,.page-footer-brand .brand{color:#1d1d1f;font-size:18px}.footer-brand>p,.page-footer-brand>p{margin-top:14px;font-size:12px;line-height:1.9;color:#86868b}.footer-column h3,.page-footer-col h4{font-size:12px;font-weight:600;color:#424245;margin-bottom:12px}.footer-column a,.page-footer-col a{display:block;margin-top:9px;font-size:12px;color:#6e6e73}.footer-column a:hover,.page-footer-col a:hover{text-decoration:underline}.footer-bottom,.page-footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:32px;padding-top:19px;border-top:1px solid #dcdce1;font-size:11px;color:#86868b}.footer-bottom a:hover,.page-footer-bottom a:hover{text-decoration:underline}.no-script-nav{display:none}
@media(min-width:1700px){.container{max-width:1320px}.site-header{max-width:1290px}}
@media(max-width:1050px){.main-nav{gap:20px}.navbar{gap:22px}.brand{font-size:17px}.main-nav{font-size:11px}.footer-top,.page-footer-grid{gap:28px}}
@media(max-width:820px){.main-nav{gap:15px}.navbar{gap:17px;padding-inline:20px}.main-nav a{font-size:10px}.brand{font-size:16px;gap:7px}.brand img{width:24px;height:24px}.nav-download{font-size:11px;padding-inline:13px}.footer-top,.page-footer-grid{grid-template-columns:1.5fr repeat(3,1fr);gap:20px}}
@media(max-width:700px){html{scroll-padding-top:90px}.container{padding-inline:22px}.site-header{top:10px;width:calc(100% - 24px);height:60px;margin-top:10px}.navbar{gap:10px;padding:0 11px 0 16px;border-radius:32px}.navbar>.brand{margin-right:auto;font-size:16px;gap:7px}.brand img{width:25px;height:25px}.nav-download{padding:8px 13px;font-size:11px}.menu-toggle{display:flex;flex-shrink:0;width:44px;height:44px}.main-nav{display:none;position:absolute;left:0;right:0;top:70px;padding:12px 22px 17px;border-radius:25px;background:#fdfdffef;border:1px solid #fff;backdrop-filter:blur(25px) saturate(1.5);box-shadow:0 20px 45px #30394d24,inset 0 1px 0 white;margin:0;flex-direction:column;align-items:stretch;gap:0;white-space:normal}.main-nav.is-open{display:flex}.main-nav a{font-size:15px;padding:13px 7px}.main-nav a+a{border-top:1px solid #dbdde440}.button{min-height:46px;padding:11px 21px;font-size:14px}.text-link{font-size:14px}.site-footer{padding:34px 0 23px}.footer-top,.page-footer-grid{grid-template-columns:repeat(3,1fr);gap:27px 20px}.footer-brand,.page-footer-brand{grid-column:1/-1}.footer-brand>p,.page-footer-brand>p{margin-top:10px}.footer-column a,.page-footer-col a{font-size:11px}.footer-bottom,.page-footer-bottom{display:block;font-size:10px;line-height:2;margin-top:25px}.footer-bottom>span,.page-footer-bottom>span{display:block}}
@media(max-width:360px){.container{padding-inline:18px}.navbar{padding-left:12px;gap:6px}.navbar>.brand{font-size:14px}.brand img{width:23px;height:23px}.nav-download{font-size:10px;padding-inline:10px}.menu-toggle{width:44px;height:44px}}
@supports not (backdrop-filter:blur(1px)){.navbar,.main-nav,.glass-surface,.button-secondary{background:#fdfdfff2}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media(prefers-contrast:more){body{--muted:#404044}.navbar,.glass-surface,.button-secondary{background:#fff;border-color:#777}.text-link{color:#0055ad}}

@media(prefers-reduced-motion:reduce){.button,.nav-download,.menu-toggle{transform:none!important}.button::after,.nav-download::after{transform:none!important}}
@media(prefers-reduced-transparency:reduce){.button-secondary,.menu-toggle{background:#f7faff;-webkit-backdrop-filter:none;backdrop-filter:none}}
@media(prefers-contrast:more){.button,.nav-download,.menu-toggle{border-width:2px;text-shadow:none}.button-primary,.nav-download{background:#0054b8;color:#fff}.button-secondary{color:#163f69;border-color:#58728e}.button::before,.button::after,.nav-download::before,.nav-download::after{display:none}}
@media(forced-colors:active){.button,.nav-download,.menu-toggle{background:ButtonFace;color:ButtonText;border:1px solid ButtonText;box-shadow:none;text-shadow:none}.button::before,.button::after,.nav-download::before,.nav-download::after{display:none}.menu-toggle span{background:ButtonText}.button:is(:disabled,[aria-disabled=true]),.nav-download[aria-disabled=true],.menu-toggle:disabled{color:GrayText;border-color:GrayText}.button:focus-visible,.nav-download:focus-visible,.menu-toggle:focus-visible{outline-color:Highlight}}