#pcMainMenu {
    display: block;
    position: relative; /* 初始為普通排版 */
    top: 0px;
    padding-top: 1rem;
    padding-bottom: 1rem;
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

    /* 滑鼠往下滾動超過選單高度則套用此效果 */
    #pcMainMenu.hidden {
        opacity: 0;
        transform: translateY(-20px);
        transition: all 0.3s ease;
    }

    /* 滾動後才顯示並啟用 sticky 效果 */
    #pcMainMenu.sticky {
        position: sticky;
        top: 0;
        pointer-events: auto;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        opacity: 1;
        transform: translateY(0);
    }

#mobileMainMenu {
    display: none;
    position: relative; /* 初始為普通排版 */
    top: 0px;
    z-index: 1000;
    transition: all 0.3s ease;
}

    /* 滑鼠往下滾動超過選單高度則套用此效果 */
    #mobileMainMenu.hidden {
        opacity: 0;
        transform: translateY(-20px);
        transition: all 0.3s ease;
    }

    /* 滾動後才顯示並啟用 sticky 效果 */
    #mobileMainMenu.sticky {
        position: sticky;
        top: 0;
        pointer-events: auto;
        padding-bottom: 3px;
        opacity: 1;
        transform: translateY(0);
    }

#memberFuncPc.dropdown-toggle::after, #memberFuncPc.dropright-toggle::after {
    float: initial;
}

/*========== PC版排版 Begin ==========*/
/* #pcMainMenu .main-menu {
        flex-grow: 1;
    }*/

#pcMainMenu .main-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
    background-color: transparent;
    text-align: left;
}

#pcMainMenu .main-menu > ul > li {
    position: relative;
    display: inline-block;
}

#pcMainMenu .main-menu ul li a {
    display: block;
    color: #333;
    padding: 6px 12px;
    font-size: 18px;
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
}

    #pcMainMenu .main-menu ul li a:hover {
        color: #ff6f61;
        background-color: transparent;
    }

/* 第二層選單 */
#pcMainMenu .main-menu ul ul {
    display: block;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    position: absolute;
    background-color: #fff;
    min-width: 180px;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    top: 100%;
    left: 0;
    transition: all 0.3s ease;
}

/* 顯示子選單時動畫 */
/*#pcMainMenu .main-menu ul li:hover > ul {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}*/

/* 第三層選單 */
#pcMainMenu .main-menu ul ul ul {
    top: 0;
    left: 100%;
    margin-top: 0;
}

/* 子選單連結 */
#pcMainMenu .main-menu ul ul li {
    position: relative;
}

    #pcMainMenu .main-menu ul ul li a {
        padding: 10px 15px;
        color: #333;
        transition: color 0.3s ease;
        font-size: 18px;
        white-space: nowrap;
    }

        #pcMainMenu .main-menu ul ul li a:hover {
            color: #ff6f61;
            background-color: transparent;
        }

/* 有子選單的箭頭設定 */
#pcMainMenu .main-menu li:has(ul) > a::after {
    content: " ▼";
    font-size: 12px;
    margin-left: 5px;
}

#pcMainMenu .main-menu ul ul li:has(ul) > a::after {
    content: " ▶";
}

/* 選單自動展開或點選展開 Begin */
/* 點擊展開選單支援 open 類別樣式 */
#pcMainMenu .main-menu li.open > ul {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#pcMainMenu.hover-enabled .main-menu ul li:hover > ul {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
/* 選單自動展開或點選展開 End */

/*===== 功能選單 Begin =====*/
#pcMainMenu .menu-tools {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    margin-left: auto;
}

#pcMainMenu .search-box {
    display: flex;
    align-items: center;
    border: 1px solid #ccc;
    border-radius: 4px;
    overflow: hidden;
}

    #pcMainMenu .search-box input {
        border: none;
        padding: 6px 10px;
        font-size: 16px;
        outline: none;
    }

    #pcMainMenu .search-box button {
        background-color: transparent;
        border: none;
        padding: 6px 10px;
        cursor: pointer;
        color: #333;
        font-size: 16px;
    }

#pcMainMenu .menu-tools a i {
    font-size: 20px;
    color: #333;
    transition: color 0.3s ease;
}

#pcMainMenu .menu-tools a:hover i {
    color: #ff6f61;
}
/*===== 功能選單 End =====*/
/*========== PC版排版 End ==========*/

/*========== Mobile版排版 Begin ==========*/
#mobileMainMenu .navbar-wrapper {
    display: flex;
    flex-direction: column;
    background-color: #fff;
    border-bottom: 1px solid #ddd;
}

#mobileMainMenu .top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    width: 100%;
}

#mobileMainMenu .brand {
    font-size: 20px;
    font-weight: bold;
    padding: initial;
    display: flex;
    align-items: center;
}

#mobileMainMenu .icons {
    display: inline-flex;
    align-items: center;
    gap: 15px;
}

    #mobileMainMenu .icons a {
        font-size: 20px;
        /*color: #333;*/
    }

#mobileMainMenu .main-menu {
    width: 100%;
    background-color: #f9f9f9;
    border-top: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
    overflow-x: auto;
    white-space: nowrap;
}

    #mobileMainMenu .main-menu > ul {
        display: flex;
        padding: 0;
        margin: 0;
        list-style: none;
        white-space: nowrap;
        justify-content: flex-start;
        width: max-content;
    }

        #mobileMainMenu .main-menu > ul > li {
            flex: 0 0 auto;
            position: relative;
        }

            #mobileMainMenu .main-menu > ul > li > a {
                display: block;
                padding: 12px 16px;
                text-decoration: none;
                color: #333;
                font-size: 16px;
            }

                #mobileMainMenu .main-menu > ul > li > a:hover {
                    color: #ff6f61;
                }

#mobileMainMenu .sub-menu-panel {
    display: block;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.4s ease, opacity 0.4s ease;
    pointer-events: none;
    background-color: #fff;
    border-bottom: 1px solid #ddd;
    position:absolute;
    width: 100%;
}

    #mobileMainMenu .sub-menu-panel.active {
        max-height: 500px;
        opacity: 1;
        pointer-events: auto;
    }

    #mobileMainMenu .sub-menu-panel a {
        display: block;
        width: 100%;
        padding: 12px 20px;
        border-bottom: 1px solid #eee;
        color: #333;
        text-decoration: none;
    }

        #mobileMainMenu .sub-menu-panel a:hover {
            color: #ff6f61;
            background-color: #f5f5f5;
        }

#mobileMainMenu .back-link {
    font-weight: bold;
    padding: 12px 20px;
    border-bottom: 1px solid #ccc;
    background-color: #f0f0f0;
    cursor: pointer;
}
/*========== Mobile版排版 End ==========*/

/*========== 搜尋列自動完成 Begin ==========*/
.search-box-autocomplete {
    position: relative;
    /*width: 320px;*/
    margin: auto;
}

.search-input {
    width: 100%;
    padding: 8px 12px;
    font-size: 16px;
    /*border: 1px solid #ccc;*/
    border-radius: 4px;
}

.search-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: #fff;
    display: none;
    z-index: 10;
    margin-top: 4px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    padding: 10px;
    width: 520px;
    /*max-height: 350px;
    overflow-y: auto;*/
}

    .search-dropdown.show {
        display: block;
    }

.dropdown-section {
    padding: 12px;
    border-bottom: 1px solid #eee;
}

.dropdown-section-title {
    font-weight: bold;
    margin-bottom: 8px;
    font-size: 14px;
    color: #555;
}

.dropdown-item {
    padding: 6px;
    cursor: pointer;
    font-size: 14px;
    color: #333;
    border-radius: 3px;
}

    .dropdown-item:hover {
        background: #f0f0f0;
    }

.dropdown-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 8px;
}
/*========== 搜尋列自動完成 End ==========*/

/*===== 響應式排版 Begin =====*/
/* Extra extra large devices (larger desktops, less than 1400px) */
@media (max-width: 1399.98px) {
    #pcMainMenu {
        display: block;
    }

    #mobileMainMenu {
        display: none;
    }

    .search-dropdown {
        width: 520px;
    }
}

/* Extra large devices (large desktops, less than 1200px) */
@media (max-width: 1199.98px) {
    #pcMainMenu {
        display: block;
    }

    #mobileMainMenu {
        display: none;
    }

    .search-dropdown {
        width: 420px;
    }
}

/* Large devices (desktops, less than 992px) */
@media (max-width: 991.98px) {
    #pcMainMenu {
        display: none;
    }

    #mobileMainMenu {
        display: block;
    }

    .search-dropdown {
        width: 370px;
    }

    .search-box-autocomplete {
        /*width: initial;*/
    }
}

/* Medium devices (tablets, less than 768px) */
@media (max-width: 767.98px) {
    #pcMainMenu {
        display: none;
    }

    #mobileMainMenu {
        display: block;
    }

    .search-dropdown {
        width: 370px;
    }

    .search-box-autocomplete {
        /*width: initial;*/
    }
}

/* Small devices (landscape phones, less than 576px) */
@media (max-width: 575.98px) {
    #pcMainMenu {
        display: none;
    }

    #mobileMainMenu {
        display: block;
    }

    .search-dropdown {
        width: 300px;
    }

    .search-box-autocomplete {
        /*width: initial;*/
    }

    .search-input {
        width: 90px;
    }
}
/*===== 響應式排版 End =====*/


#ucAppHeader_pnlTeacher ul, #ucAppHeader_pnlCategory ul {
    flex-wrap: wrap;
    display: flex;
}

    #ucAppHeader_pnlTeacher ul li, #ucAppHeader_pnlCategory ul li {
        flex: 1 0 33.3%;
        margin-bottom: 6px;
    }