/* Shared brand, navigation and actions. Top bar morphs into a floating capsule. */
@font-face{font-family:"Alibaba PuHuiTi";src:url("assets/fonts/AlibabaPuHuiTi-Regular.woff2") format("woff2");font-style:normal;font-weight:400;font-display:swap}
:root{--announcement-height:42px;--header-height:72px;--nav-font:"Alibaba PuHuiTi","PingFang SC","Microsoft YaHei",sans-serif;--nav-ease:cubic-bezier(.16,1,.3,1)}
body{padding-top:calc(var(--announcement-height) + var(--header-height))}
html{scroll-padding-top:calc(var(--announcement-height) + 92px)}
.brand img,.app-logo img,.knowledge-core img{object-fit:contain}
.brand{display:inline-flex;align-items:center;gap:6px;line-height:1}.brand img{width:18px;height:22px;flex:none}.brand>span{font-family:var(--nav-font);font-size:19px;font-weight:750;letter-spacing:-.5px;line-height:24px}.app-logo img{width:23px;height:28px}.knowledge-core img{width:33px;height:40px}
.announcement{position:fixed;inset:0 0 auto;z-index:31;min-height:42px;padding:9px 45px;font-family:var(--nav-font)}
.announcement-close{position:absolute;right:24px;top:50%;transform:translateY(-50%);padding:3px 7px;background:none;border:0;color:#769265;font-size:20px;line-height:1;cursor:pointer}
.announcement-close:hover{color:#2c5c39}.announcement[hidden]{display:none}
.site-header{position:fixed;z-index:30;top:var(--announcement-height);left:50%;width:100%;height:72px;transform:translateX(-50%);padding:10px 32px;border:1px solid transparent;border-radius:0;background:transparent;box-shadow:none;backdrop-filter:none;font-family:var(--nav-font);transition:top .5s var(--nav-ease),width .5s var(--nav-ease),height .5s var(--nav-ease),padding .5s var(--nav-ease),border-radius .5s var(--nav-ease),background .35s ease,border-color .35s ease,box-shadow .5s var(--nav-ease)}
.download-page .site-header{background:transparent}
.site-header.scrolled{top:calc(var(--announcement-height) + 14px);width:min(1040px,calc(100% - 48px));height:58px;padding:8px 11px 8px 18px;border:1px solid #10121012;border-radius:19px;background:#fffffde0;box-shadow:0 12px 32px #191f1a14,inset 0 1px #ffffffb8;backdrop-filter:blur(24px) saturate(1.34);-webkit-backdrop-filter:blur(24px) saturate(1.34)}
.site-header .nav-wrap{width:100%;height:100%;margin:0;gap:22px;max-width:none;display:grid;grid-template-columns:minmax(122px,1fr) auto minmax(195px,1fr);align-items:center}
.site-header .brand{display:flex;align-items:center;justify-self:start;gap:6px;line-height:1;min-width:122px}
.site-header .brand img{width:18px;height:22px;flex:none}
.site-header .brand>span{font-family:var(--nav-font);font-size:19px;font-weight:750;letter-spacing:-.5px;line-height:24px}
.site-header .brand small{display:none}
.site-header .site-nav{display:flex;align-items:center;justify-self:center;gap:30px;margin:0;font-family:var(--nav-font);font-size:13px;font-weight:640;letter-spacing:-.13px;line-height:20px}
.nav-link,.nav-dropdown>summary{position:relative;display:flex;align-items:center;min-height:20px;padding:0;white-space:nowrap;cursor:pointer;line-height:20px;color:#30362f}
.nav-link:after,.nav-dropdown>summary:after{content:"";position:absolute;bottom:-11px;left:0;width:100%;height:2px;background:#49b67e;border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .24s var(--nav-ease)}
.nav-link:hover:after,.nav-link[aria-current=page]:after,.nav-dropdown[open]>summary:after,.nav-dropdown>summary:hover:after{transform:scaleX(1)}
.nav-link[aria-current=page]{color:#2b4032}.nav-dropdown{position:relative}
.nav-dropdown>summary{list-style:none;gap:6px}.nav-dropdown>summary::-webkit-details-marker{display:none}
.chevron{width:5px;height:5px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:translateY(-2px) rotate(45deg);transition:transform .24s var(--nav-ease)}
.nav-dropdown[open] .chevron{transform:translateY(1px) rotate(225deg)}
.nav-popover{position:absolute;top:calc(100% + 22px);left:-17px;min-width:258px;padding:10px;border:1px solid #edf0e7;border-radius:15px;background:#fff;box-shadow:0 15px 35px #25392416;z-index:35;animation:menu-in .2s var(--nav-ease)}
.nav-popover a{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:12px;border-radius:8px;font-size:13px;font-weight:600;line-height:20px;transition:background .18s,color .18s}
.nav-popover a:hover,.nav-popover a:focus-visible{background:#f1f6eb;color:#267249}
.nav-popover small{display:block;margin-top:6px;white-space:nowrap;font-size:10px;font-weight:400;color:#98a08e;letter-spacing:0}
.nav-popover b{font-size:15px;font-weight:400;color:#88947b}.nav-popover.compact{min-width:184px}.nav-popover.compact a{padding:13px 11px}
.nav-actions{display:flex;align-items:center;justify-self:end;gap:25px;flex:none}
.register-link{font-size:12px;font-weight:640;line-height:20px;white-space:nowrap}.register-link:hover{color:#258a55}
.site-header .nav-cta{min-height:38px;height:38px;padding:0 15px;gap:9px;font-family:var(--nav-font);font-size:12px;font-weight:660;line-height:20px;white-space:nowrap;border-radius:10px;letter-spacing:0}
.site-header .mobile-menu{display:none}
.button-icon{display:inline-block;width:16px;height:16px;min-width:16px;flex:none;vertical-align:middle;transition:transform .24s var(--nav-ease)}
.hero-actions .button{min-height:40px;height:40px;gap:6px;padding:0 15px;font-family:var(--nav-font);font-size:14px;font-weight:650;line-height:21px;letter-spacing:0}
.button:hover .icon-arrow{transform:translateX(2px)}.button:hover .icon-download{transform:translateY(1px)}
.hero-demo-link{display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-size:10px;color:#7e8e72}.hero-demo-link:hover{color:#267249}
.hero-note{margin-top:11px}.hero-note>span+span:before{content:"·";position:relative;left:-11px;color:#acb7a2}
.contact-inner .hero-actions{margin-top:0}.contact-enterprise{margin-top:23px;color:#859974;font-size:11px}
.contact-enterprise a{margin-left:13px;padding-bottom:2px;color:#4c7137;border-bottom:1px solid #adc798}
.contact-phone{font-size:11px;margin-top:18px;letter-spacing:.6px}.faq-list a{color:#258a55;text-decoration:underline;text-underline-offset:3px}
.menu-line{display:block;width:19px;height:1.5px;margin:4px 0;background:#344a37;transition:transform .2s,opacity .2s}
.mobile-menu[open] .menu-line:first-child{transform:translateY(5.5px) rotate(45deg)}.mobile-menu[open] .menu-line:nth-child(2){opacity:0}.mobile-menu[open] .menu-line:last-child{transform:translateY(-5.5px) rotate(-45deg)}
button:focus-visible{outline:3px solid var(--green);outline-offset:4px}
@keyframes menu-in{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:1150px){.site-header{padding-inline:24px}.site-header .nav-wrap{gap:18px;grid-template-columns:minmax(104px,1fr) auto minmax(190px,1fr)}.site-header .site-nav{gap:23px}.site-header .brand{min-width:104px}.nav-actions{gap:20px}}
@media(max-width:950px){
  :root{--header-height:68px}
  .site-header{height:68px;padding:9px 22px}
  .site-header .nav-wrap{display:flex;gap:20px}
  .site-header .site-nav{display:none}.site-header .mobile-menu{display:block}.site-header .nav-actions{margin-left:auto}
  .site-header.scrolled{width:calc(100% - 32px);height:58px;padding:8px 12px 8px 16px;border-radius:18px;top:calc(var(--announcement-height) + 10px)}
  .mobile-menu{position:relative}.mobile-menu>summary{list-style:none;cursor:pointer;padding:8px;line-height:1}.mobile-menu>summary::-webkit-details-marker{display:none}
  .mobile-menu nav{position:absolute;top:calc(100% + 18px);right:-4px;min-width:230px;max-height:calc(100dvh - var(--announcement-height) - 110px);overflow:auto;padding:10px;background:white;border:1px solid #e4eadb;border-radius:13px;box-shadow:0 16px 40px #21351d1a;display:flex;flex-direction:column;animation:menu-in .2s var(--nav-ease)}
  .mobile-menu nav a{display:flex;align-items:center;justify-content:space-between;gap:15px;font-size:13px;font-weight:600;padding:11px 13px;border-radius:6px}.mobile-menu nav a:hover{background:#f1f6eb;color:#267249}
}
@media(max-width:640px){
  :root{--header-height:64px}
  .site-header{height:64px;padding:8px 17px}
  .site-header .nav-wrap{gap:10px}.site-header .brand{gap:5px;min-width:88px}.brand img,.site-header .brand img{width:17px;height:21px}.brand>span,.site-header .brand>span{font-size:18px;line-height:23px;letter-spacing:-.4px}.brand{gap:5px}
  .site-header.scrolled{width:calc(100% - 20px);height:58px;padding:8px 9px 8px 14px;top:calc(var(--announcement-height) + 10px)}
  .site-header .register-link{display:none}.site-header .nav-actions{gap:0}.site-header .nav-cta{min-height:36px;height:36px;font-size:12px;padding:0 12px;gap:7px}
  .announcement{min-height:42px;padding:8px 25px;font-size:8px;gap:4px}.announcement a{font-size:8px;margin-left:2px}.announcement-close{right:5px;font-size:16px;padding:4px}
  .hero-demo-link{font-size:9px;margin-top:13px}.hero-note{margin-top:10px;gap:15px}.hero-note>span+span:before{left:-8px}
  .hero-actions .button{min-height:40px;height:40px;padding:0 12px;font-size:13px;gap:6px}
  .contact-enterprise{font-size:10px;margin-top:20px}.contact-phone{font-size:10px}.mobile-menu nav{min-width:235px;right:-4px}.mobile-menu nav a{font-size:13px}
}
@media(prefers-reduced-motion:reduce){.nav-popover,.mobile-menu nav{animation:none}.site-header,.button-icon{transition:none}}
@media print{body{padding-top:0}.announcement,.site-header{display:none}}