body {
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    color: white;
    background-position: center;
    background-size: cover;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 300px;
    width: 100%;
}

.header-background {
    background: url('../images/accountbg.webp') no-repeat center center;
    background-size: cover;
}

.header-logo {
    position: absolute;
    top: 117px;
    left: 15px;
    height: 80px;
    width: auto;
}

nav {
    position: absolute;
    width: 100%;
    top: 45px;
    left: 0;
    right: 0;  
}

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: space-between;
}

nav ul li {
    display: flex; /* 使用 flex 布局 */
    justify-content: center; /* 水平居中 */
    align-items: center; /* 垂直居中 */
}

nav ul li a {
    text-decoration: none;
    color: #F0E4BF;
    padding: 10px 20px;
    font-weight: bold;
    font-size: 22px !important;
    font-family: Arial, Helvetica, sans-serif;
}

nav ul li a.active {
    color: #FCE293;
}


main {
    padding: 20px 50px;
}

.main-background {
    background: url('/path/to/A_dark-themed,_minimalist_main_content_background_.png') no-repeat center center;
    background-size: cover;
}

.section-title h1 {
    font-size: 2em;
    margin-bottom: 20px;
}

.account-grid {
    display: flex;
    flex-direction: column;
}

.account-feature {
    background-color: #e0e0e0;
    margin: 10px 0;
    padding: 20px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.account-feature h2 {
    margin: 0;
    font-size: 1.5em;
    cursor: pointer;
}

.account-feature:hover {
    background-color: #d4d4d4;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px 0;
}

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-btn {
    background-color: #e0e0e0;
    border: none;
    font-size: 1.5em;
    font-weight: bold;
    cursor: pointer;
    width: 100%;
    text-align: left;
    border-radius: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dropdown-btn:hover {
    background-color: #d4d4d4;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f4f4f4;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
    width: 100%;
    border-radius: 5px;
}

.dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    font-weight: bold;
    display: block;
}

.dropdown-content a:hover {
    background-color: #ddd;
}

.show {
    display: block;
}

.arrow {
    font-size: 1em;
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: center;
    }

    .header-logo {
        margin: 10px 0;
    }

    nav {
        position: static;
        width: 100%;
    }

    nav ul {
        flex-direction: row;
        justify-content: space-around;
        width: 100%;
    }

    nav ul li {
        flex: 1;
    }

    nav ul li a {
        width: 100%;
        text-align: center;
        padding: 10px 0;
        font-size: 12px !important;
    }
}