@font-face{font-family:NoteSerif;src:url('/site-assets/b2-20261024/assets/noto-serif-cn.woff2?v=20261024-b2') format('woff2');font-display:swap;font-weight:400 700}@font-face{font-family:NoteSans;src:url('/site-assets/b2-20261024/assets/noto-sans-cn.woff2?v=20261024-b2') format('woff2');font-display:swap;font-weight:100 900}
:root{--paper:#f7f6ef;--ink:#263b30;--muted:#5b665e;--line:#cbd1c3;--green:#d8ed8b;--white:#fffef8;--sans:NoteSans,'Noto Sans SC','Microsoft YaHei',sans-serif;--serif:NoteSerif,'Noto Serif SC','Songti SC',serif}body{background:var(--paper);color:var(--ink);font-family:var(--sans)}h1,h2{font-family:var(--serif)}
.site-header,.site-header *,.site-footer,.site-footer *{box-sizing:border-box}.site-header{position:relative!important;top:auto!important;z-index:15;display:flex;align-items:center;gap:32px;width:min(1380px,calc(100% - 100px));height:86px;margin:auto;padding:0;border-bottom:1px solid var(--line);background:var(--paper);box-shadow:none;font-family:var(--sans)}.site-header a,.site-footer a{text-decoration:none;color:inherit}.site-header .brand,.site-footer .brand{display:inline-flex;align-items:center;gap:10px;font:700 26px/1.2 var(--sans);white-space:nowrap}.brand img{display:block;border-radius:7px}.brand-plus{font-size:12px;margin-left:5px;font-weight:500}.site-header nav{display:flex;gap:28px;margin-left:auto;font-size:13px}.site-header nav a{color:var(--ink)}.site-header .header-download{display:inline-flex;align-items:center;justify-content:center;background:var(--ink);color:var(--white);font-size:13px;font-weight:600;padding:10px 18px;min-height:44px;border-radius:7px;white-space:nowrap}.site-header .menu-toggle{display:none}.site-header button{font-family:inherit}.site-footer{width:min(1240px,calc(100% - 100px));margin:0 auto;padding:40px 0 66px;color:var(--ink);background:var(--paper);border:0;font-family:var(--sans)}.site-footer .footer-top{display:flex;align-items:center;gap:26px}.site-footer .brand{font-size:23px}.site-footer .footer-top>p{margin:0 auto 0 0;color:var(--muted);font-size:12px}.site-footer .footer-top>a:not(.brand){font-size:12px}.site-footer .footer-bottom{border-top:1px solid var(--line);padding-top:20px;margin-top:28px;display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}.site-footer p{margin:0}.site-header :focus-visible,.site-footer :focus-visible{outline:3px solid #66883f;outline-offset:5px}html{scroll-padding-top:24px}
@media(max-width:1100px){.site-header,.site-footer{width:calc(100% - 70px)}.site-header{gap:22px}.site-header nav{gap:18px;font-size:12px}.site-header .header-download{font-size:11px;padding-inline:13px}.site-footer .footer-top{gap:18px}}
@media(max-width:760px){.site-header,.site-footer{width:calc(100% - 40px)}.site-header{height:76px;gap:16px}.site-header .brand{font-size:23px}.brand img{width:30px;height:30px}.brand-plus{font-size:10px}.site-header .header-download{margin-left:auto;font-size:10px;padding:7px 12px;min-height:36px}.site-header .menu-toggle{display:block;order:3;color:var(--ink);border:0;background:transparent;padding:10px 0 10px 8px;font-size:12px;cursor:pointer}.site-header nav{display:none;position:absolute;top:76px;inset-inline:0;margin:0;padding:20px;flex-direction:column;gap:18px;border:1px solid var(--line);background:var(--paper);font-size:14px}.site-header nav.is-open{display:flex}.site-footer .footer-top{flex-wrap:wrap;gap:16px 20px}.site-footer .footer-top>p{flex-basis:calc(100% - 130px);font-size:10px}.site-footer .footer-top>a:not(.brand){font-size:11px}.site-footer .footer-bottom{display:block;font-size:10px;line-height:1.8}.site-footer .footer-bottom p+p{margin-top:7px}}

.contact-card:has(>div:only-child){grid-template-columns:1fr}.contact-card>div:only-child{max-width:70ch}.site-footer .footer-bottom{line-height:1.8}::selection{background:#d8ed8b;color:#263b30}