#main_submenu { background: #f9fcff; border-bottom: 1px solid #ececec; display: none;}
#main_submenu .menu-container { max-width: 1300px; margin: 0 auto; position: relative; overflow: hidden; }
#main_submenu .menu-wrapper { display: flex; align-items: center; padding: 10px 0; }
#main_submenu .nav-button { background: #f1f3f4; border: none; width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.2s ease; margin: 0 15px; flex-shrink: 0; }
#main_submenu .nav-button:hover { background: #e8eaed; transform: scale(1.05); }
#main_submenu .nav-button:disabled { opacity: 0.3; cursor: not-allowed; transform: none; }
#main_submenu .nav-button svg { width: 20px; height: 20px; fill: #5f6368; }
#main_submenu .menu-scroll { flex: 1; overflow: hidden; position: relative; scroll-behavior: smooth;}
#main_submenu .menu-list { display: flex; transition: transform 0.3s ease; gap: 20px; padding: 0 20px; }
#main_submenu .menu-item { display: flex; flex-direction: column; align-items: center; min-width: 80px; padding: 15px 10px; cursor: pointer; transition: all 0.2s ease; border-radius: 12px; text-decoration: none; color: inherit; }
#main_submenu .menu-item:hover { transform: translateY(-2px); }
#main_submenu .menu-icon { width: 64px; height: 64px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-bottom: 12px; font-size: 20px; transition: all 0.2s ease; background-color: #fff; color: #5f6368; border: 1px solid #ddd; }
#main_submenu .menu-icon img {height:26px;}
#main_submenu .menu-label { font-size: 14px; font-weight: 500; text-align: center; color: #202124; white-space: nowrap; }

#main_submenu .menu-progress {  height: 3px;  background: #eee;  width: 90%;  position: relative;  margin: 0 auto;  border-radius: 2px;  overflow: hidden;}
#main_submenu .menu-progress-bar {  height: 100%;  width: 0%;  background: #c4d8f1;  transition: width 0.2s ease;} 

@media (max-width: 1300px) {
    #main_submenu .menu-container {max-width: 100%;}
}
@media (max-width: 900px) {
    #main_submenu .menu-list {gap: 10px;}
    #main_submenu .menu-icon {width: 54px; height: 54px;}
    #main_submenu .menu-label {font-size: 13px;}
}
@media (max-width: 500px) {
    #main_submenu .menu-wrapper {padding: 10px 0}
    #main_submenu .menu-item {padding: 10px 0;}
    #main_submenu .nav-button {margin: 0 10px;}
    #main_submenu .menu-icon {margin-bottom: 8px; width: 46px; height: 46px; font-size: 16px}
    #main_submenu .menu-label {font-size: 12px;}
    #main_submenu .nav-button {width: 30px; height: 30px;}
    #main_submenu .menu-list {gap: 0;}
}