.gdHeader {
    display: flex;
    width: 100%;
    margin: 0 auto;
    background: linear-gradient(to right, #00bcd4, #1890ff);
    color: #fff;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    box-sizing: border-box;
    flex-wrap: wrap; /* 允许换行 */
    gap: 8px; /* 项之间的间距 */
}

.gdHeader span {
    display: inline-block;
    min-width: 0; /* 防止溢出 */
}

.gdHeader a {
    color: #fff;
    display: block;
    padding: 8px 12px;
    transition: all 0.3s ease;
    text-decoration: none;
    white-space: nowrap; /* 防止单个链接换行 */
    font-size: 16px; /* 默认字体大小 */
}

.gdHeader a:hover {
    color: #888888;
    background: rgba(255, 255, 255, 0.1);
}

/* 平板端调整 */
@media (max-width: 768px) {
    .gdHeader {
        padding: 8px 10px;
        gap: 6px; /* 减少间距 */
        justify-content: flex-start; /* 左对齐，换行更自然 */
    }

    .gdHeader a {
        padding: 6px 8px;
        font-size: 14px; /* 缩小字体 */
    }
}

/* 手机端调整 */
@media (max-width: 480px) {
    .gdHeader {
        padding: 5px 8px;
        gap: 4px; /* 进一步减少间距 */
        justify-content: flex-start;
    }

    .gdHeader a {
        padding: 4px 6px; /* 最小化 padding */
        font-size: 12px; /* 最小字体大小 */
    }

    .gdHeader span {
        flex: 1 0 auto; /* 允许灵活分配空间 */
    }
}

input[type="button"],
input[type="submit"]
{
    background: linear-gradient(to right, #9ca3af, #3498db);
    color: white;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s;
}

input[type="button"]:hover,
input[type="submit"]:hover {
    background: linear-gradient(to right, #555555, #3498db);
}



.user-menu {
    position: relative;
    display: inline-block;
}

.user-menu-button {
    cursor: pointer;
    padding: 8px 15px;
    font-size: 14px;
    border: 1px solid transparent;
    border-radius: 4px;
}

.dropdown {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.dropdown a {
    display: block;
    padding: 10px 15px;
    color: #333;
    text-decoration: none;
}

.dropdown a:hover {
    background-color: #f1f1f1;
    color: #007bff;
}

.user-menu.active .dropdown {
    display: block;
}