/* Shared WeChat-style site navigation, independent of page-specific layouts. */
.ws-wechat .site-header{display:block;width:100%;max-width:none;height:auto;min-height:0;margin:0;padding:0;background:var(--ws-nav-surface,#fff);border:0;border-bottom:1px solid #ededed;position:relative;flex:none;z-index:5;box-shadow:none}
.ws-wechat .header-inner{width:100%;max-width:1320px;height:56px;min-height:0;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px}
.ws-wechat .site-brand{display:flex;position:static;align-items:center;justify-self:start;gap:6px;margin:0;padding:0;color:var(--ws-nav-ink,#191919);font:400 15px/1.4 -apple-system,BlinkMacSystemFont,'PingFang SC',sans-serif;letter-spacing:.1px;text-decoration:none;white-space:nowrap}
.ws-wechat .clock-logo{display:block;width:20px;height:20px;flex:none;fill:none;stroke:none}
.ws-wechat .primary-nav{display:flex;position:static;align-items:stretch;justify-self:center;gap:34px;height:100%;min-height:0;width:auto;max-width:none;margin:0;padding:0;border:0;border-radius:0;background:transparent;box-shadow:none;backdrop-filter:none;transform:none}
.ws-wechat .primary-nav a{display:flex;align-items:center;justify-content:center;position:relative;min-height:44px;margin:0;padding:0 4px;border:0;border-radius:0;background:transparent;box-shadow:none;color:var(--ws-nav-ink,#191919);font:400 14px/1.4 -apple-system,BlinkMacSystemFont,'PingFang SC',sans-serif;text-decoration:none;letter-spacing:0;white-space:nowrap}
.ws-wechat .primary-nav a.active{color:#079447;background:transparent;box-shadow:none;font-weight:400}
.ws-wechat .primary-nav a.active:after{content:'';position:absolute;bottom:0;left:50%;top:auto;transform:translateX(-50%);width:18px;height:2px;border-radius:1px;background:#07c160}
.ws-wechat .header-caption{display:block;justify-self:end;margin:0;color:#999;font:400 12px/1.4 -apple-system,BlinkMacSystemFont,'PingFang SC',sans-serif;letter-spacing:0;white-space:nowrap}
.ws-wechat .sub-nav{display:flex;position:static;flex:none;align-items:center;justify-content:safe center;flex-wrap:nowrap;gap:32px;min-height:0;height:56px;width:100%;max-width:none;margin:0;padding:0 20px;border:0;border-radius:0;background:transparent;box-shadow:none;overflow-x:auto;scrollbar-width:none;transform:none}
.ws-wechat .sub-nav::-webkit-scrollbar{display:none}
.ws-wechat .sub-nav a{display:flex;align-items:center;flex:none;min-height:40px;margin:0;padding:0;border:0;border-radius:0;background:transparent;box-shadow:none;color:#888;font:400 12px/1.4 -apple-system,BlinkMacSystemFont,'PingFang SC',sans-serif;text-decoration:none;letter-spacing:0;white-space:nowrap}
.ws-wechat .sub-nav a.active{color:#079447;background:transparent;font-weight:400}.ws-wechat .sub-nav a:after{display:none}
.ws-wechat .site-header a:focus-visible,.ws-wechat .sub-nav a:focus-visible{outline:2px solid #079447;outline-offset:3px}
.ws-wechat .site-header a:hover,.ws-wechat .sub-nav a:hover{color:#079447}
body.ws-wechat.dark{--ws-nav-surface:#1e1e1e;--ws-nav-ink:#e8e8e8}
@media(max-width:1190px){.ws-wechat .header-caption{visibility:hidden}.ws-wechat .header-inner{padding-inline:28px}.ws-wechat .primary-nav{gap:30px}}
@media(max-width:850px){.ws-wechat .header-inner{grid-template-columns:auto 1fr;gap:30px}.ws-wechat .header-caption{display:none}.ws-wechat .primary-nav{justify-self:end;gap:22px}}
@media(max-width:600px){
 .ws-wechat .header-inner{display:flex;flex-wrap:wrap;height:auto;min-height:102px;gap:15px;padding:18px 20px 0}
 .ws-wechat .site-brand{font-size:14px;gap:5px}.ws-wechat .clock-logo{width:19px;height:19px}
 .ws-wechat .primary-nav{display:flex;width:100%;height:43px;min-height:0;justify-content:space-between;gap:0}
 .ws-wechat .primary-nav a{font-size:13px;min-height:40px;padding:0 2px 7px}
 .ws-wechat .sub-nav{height:48px;gap:24px;padding-inline:20px}
}
:fullscreen body.ws-wechat .site-header,:fullscreen body.ws-wechat .sub-nav,body.ws-wechat.home-fullscreen .site-header,body.ws-wechat.home-fullscreen .sub-nav,body.ws-wechat.flip-fullscreen .site-header,body.ws-wechat.flip-fullscreen .sub-nav{display:none}