/* PC端登录下拉菜单样式 */
.login-dropdown-wrap {
    position: relative;
    display: inline-block;
}
.login-dropdown-wrap > a {
    display: inline-block;
    padding: 0 12px;
}
.login-submenu {
    position: absolute;
    top: 150%;
    left: 0;
    background: #000000;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    min-width: 160px;
    border-radius: 4px;
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all 0.24s ease;
    z-index: 9999;
}
.login-dropdown-wrap:hover .login-submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.login-submenu a {
    display: block;
    padding: 10px 16px;
    color: #333;
}
.login-submenu a:hover {
    background: #f5f7fa;
}
.header .nav a:hover {
    color: #000000;
}
.login-submenu .org-login {
    font-weight: 600;
    color: #2563eb !important;
}
.login-submenu .divider {
    height: 1px;
    background: #eee;
    margin: 6px 12px;
}
.login-submenu .reg-link {
    font-size: 13px;
    color: #666 !important;
}

/* 移动端登录折叠分组 */
.phone-login-group {
    width: 100%;
}
.phone-group-title {
    padding: 12px 0;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    border-bottom: 1px solid #eee;
}
.phone-group-list {
    display: none;
    padding-left: 16px;
}
.phone-group-list.show {
    display: block;
}
.phone-group-list a.org-login {
    color: #2563eb;
    font-weight: 600;
}