.teacher-portal[data-v-739a515a]{background:#f5f7fa;min-height:100vh}.global-header[data-v-739a515a]{align-items:center;background:linear-gradient(135deg,#2e7d32,#1b5e20);box-shadow:0 2px 8px #0000001a;display:flex;height:64px;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:100}.global-header .header-left .logo-container[data-v-739a515a]{align-items:center;cursor:pointer;display:flex;gap:8px}.global-header .header-left .logo-container .logo-text[data-v-739a515a]{color:#fff;font-size:20px;font-weight:600}.global-header .header-left .logo-container .logo-image[data-v-739a515a]{height:32px;-o-object-fit:contain;object-fit:contain;width:auto}.global-header .header-right .user-info[data-v-739a515a]{align-items:center;border-radius:20px;cursor:pointer;display:flex;gap:8px;padding:4px 12px;transition:background .3s}.global-header .header-right .user-info[data-v-739a515a]:hover{background:#ffffff1a}.global-header .header-right .user-info .username[data-v-739a515a]{color:#fff;font-size:14px}.global-header .header-right .user-info .el-icon[data-v-739a515a]{color:#fff}.main-content[data-v-739a515a]{min-height:calc(100vh - 64px)}