:root{--platform-top:62px;--platform-offset:62px}body.platform-ready{padding-top:var(--platform-offset)!important;scroll-padding-top:calc(var(--platform-offset) + 20px)}body.platform-cultivation{--platform-offset:106px}.platform-bar{box-sizing:border-box;position:fixed!important;inset:0 0 auto 0!important;width:100%!important;height:var(--platform-offset)!important;min-height:0!important;z-index:300!important;background:#fff!important;color:#142d54!important;border-bottom:1px solid #dce4ef!important;padding:0!important;margin:0!important;display:block!important;font:14px/1.4 'Microsoft YaHei','PingFang SC',sans-serif!important;box-shadow:0 2px 12px #19315f06}.platform-bar *{box-sizing:border-box}.platform-row{height:62px;display:flex;align-items:center;gap:24px;padding:0 28px}.platform-brand{font-weight:800;font-size:19px;color:#152f5b!important;text-decoration:none!important;white-space:nowrap}.platform-business{display:flex;gap:5px;align-items:center;flex:1}.platform-bar a{display:inline-flex;align-items:center;min-height:36px;border:0;text-decoration:none!important;padding:7px 13px;border-radius:8px;color:#64748b!important;font-size:13px;white-space:nowrap}.platform-bar .platform-brand{padding-left:0}.platform-bar a[aria-current]{background:#edf2ff;color:#284bc4!important;font-weight:700}.platform-account{display:flex;align-items:center;gap:5px;font-size:12px;white-space:nowrap}.platform-account span{max-width:140px;overflow:hidden;text-overflow:ellipsis}.platform-rolebar{height:44px;display:flex;align-items:center;gap:5px;padding:0 28px;border-top:1px solid #f0f3f7;overflow-x:auto;scrollbar-width:none}.platform-rolebar a{font-size:12px;min-height:30px;padding:5px 12px}.platform-old-chrome,.platform-ready>.sg-crossnav{display:none!important}body.platform-ready.sg-app-ready>.sg-app-sidebar{top:var(--platform-offset)!important;height:calc(100dvh - var(--platform-offset))!important}body.platform-ready.sg-app-ready>.sg-app-topbar{top:var(--platform-offset)!important}body.platform-student>header:not(.platform-bar){top:var(--platform-offset)!important}body.platform-student #studyLoading{top:calc(var(--platform-offset) + 56px)!important}body.platform-student .drawer{top:var(--platform-offset)!important}body.platform-cultivation .workspace-header{top:var(--platform-offset)!important}body.platform-ready header .platform-row a{margin:0!important}.platform-footer{margin:30px 0;color:#78869a;font-size:12px;text-align:center}body.platform-ready>main{scroll-margin-top:var(--platform-offset)}@media(min-width:1024px){body.platform-student>header:not(.platform-bar){height:calc(100dvh - var(--platform-offset))!important}body.platform-student #studyLoading{top:var(--platform-offset)!important}}@media(max-width:700px){:root{--platform-top:58px;--platform-offset:58px}body.platform-cultivation{--platform-offset:100px}.platform-row{height:58px;gap:6px;padding:0 12px}.platform-brand{font-size:17px!important}.platform-bar a{padding:7px 9px;font-size:12px}.platform-account span{display:none}.platform-account a{padding:7px 5px;font-size:11px}.platform-rolebar{height:42px;padding:0 10px}.platform-business{gap:0}.platform-row .platform-brand{padding:0 4px 0 0}.platform-ready.sg-app-ready .sg-app-topbar{top:var(--platform-offset)!important}}
body.platform-cultivation>header{top:var(--platform-offset)!important}@media(max-width:1023px){body.platform-student{padding-top:calc(var(--platform-offset) + 56px)!important}}

/* 20261017: company introduction is brand navigation, not a third functional door. */
.platform-about{border-right:1px solid #e8e3e8!important;border-radius:0!important;padding-right:24px!important;color:#7a607d!important}.platform-account-menu{position:relative}.platform-account-menu summary{cursor:pointer;list-style:none;padding:10px 12px;border:1px solid #e5e9f1;border-radius:8px;font-size:12px;color:#53627b}.platform-account-menu summary:after{content:' ▾'}.platform-account-items{position:absolute;right:0;top:calc(100% + 8px);min-width:185px;background:#fff;border:1px solid #dce4ef;border-radius:10px;box-shadow:0 10px 30px #142d541a;padding:10px;display:grid;z-index:400}.platform-account-items span{max-width:none;padding:8px 12px;color:#79869c;font-size:11px}.platform-account-items a{display:block!important}.platform-account-menu:not([open]) .platform-account-items{display:none}.platform-bar a:focus-visible,.platform-account-menu summary:focus-visible{outline:3px solid #91a6ed;outline-offset:2px}.portal-table-scroll{max-width:100%;overflow-x:auto;overscroll-behavior-inline:contain}.portal-table-scroll:focus-visible{outline:2px solid #91a6ed}.platform-ready :is(th,td){vertical-align:top}.platform-ready main{min-width:0}.platform-ready main :is(p,td,th){overflow-wrap:anywhere}.platform-ready :is(input,select,textarea){max-width:100%;box-sizing:border-box}body.platform-ready{scroll-padding-top:calc(var(--platform-offset) + 20px)}
@media(max-width:700px){:root{--platform-offset:96px}body.platform-cultivation{--platform-offset:138px}.platform-row{height:54px;position:relative;gap:12px;align-items:center;padding:0 16px}.platform-row .platform-brand{font-size:18px!important}.platform-about{font-size:11px!important;padding:7px 12px!important;border-right:0!important}.platform-business{position:absolute;left:0;right:0;top:54px;height:42px;border-top:1px solid #f0f3f7;padding:0 12px;gap:8px}.platform-business a{min-height:31px;padding:5px 14px;font-size:12px}.platform-account{margin-left:auto}.platform-account-menu summary{padding:8px 11px}.platform-rolebar{position:absolute;top:96px;left:0;right:0}.platform-rolebar a{flex-shrink:0}.platform-account-items a{padding:10px 12px!important}.platform-account-items span{display:block!important}body.platform-ready>main{scroll-margin-top:calc(var(--platform-offset) + 15px)}}
@media print{.platform-bar{display:none!important}body.platform-ready,body.platform-student{padding-top:0!important}.portal-table-scroll{overflow:visible}}
.platform-bar nav{margin:0!important}
@media(max-width:800px){body.platform-ready.sg-app-ready>header.sg-app-topbar{top:auto!important}}