.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background-color: #242424;
    z-index: 1000;
    border-bottom: 1px solid #000;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.header-left {
    display: flex;
    align-items: center;
    flex: 1;
}

.menu-toggle {
    display: none !important; /* 强制隐藏，始终使用桌面端样式 */
    background: none;
    border: none;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    margin-right: 10px;
    transition: all 0.3s;
}

.menu-toggle:hover {
    color: #c62f2f;
}

.mobile-search-btn {
    display: none !important; /* 默认隐藏，移动端显示 */
}

.logo {
    display: flex;
    align-items: center;
    margin-right: 30px;
    color: #fff;
    font-size: 20px;
    font-weight: bold;
    text-decoration: none;
}

.logo-icon {
    font-size: 28px;
    margin-right: 8px;
}

.logo-text {
    color: #fff;
}

.main-nav {
    display: flex;
    gap: 20px;
}

.nav-item {
    color: #ccc;
    font-size: 14px;
    padding: 8px 12px;
    border-radius: 4px;
    transition: all 0.3s;
}

.nav-item:hover {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.1);
}

.header-center {
    flex: 1;
    display: flex;
    justify-content: center;
    max-width: 400px;
    margin: 0 20px;
}

.search-box {
    display: flex;
    align-items: center;
    width: 100%;
    background-color: #fff;
    border-radius: 32px;
    overflow: hidden;
}

.search-input {
    flex: 1;
    padding: 8px 16px;
    border: none;
    outline: none;
    font-size: 14px;
}

.search-btn {
    padding: 8px 16px;
    background-color: #2d2d2d;
    color: #fff;
    font-size: 16px;
    border: none;
    cursor: pointer;
}

.search-btn:hover {
    background-color: #3d3d3d;
}

.header-right {
    display: flex;
    align-items: center;
}

.login-btn {
    padding: 8px 20px;
    background-color: transparent;
    color: #787878;
    border: 1px solid #4a4a4a;
    border-radius: 20px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
}

.login-btn:hover {
    color: #fff;
    border-color: #fff;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    cursor: pointer;
}

.user-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: #4a4a4a;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 14px;
    overflow: hidden;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-name {
    color: #ccc;
    font-size: 14px;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 10px;
    background-color: #2d2d2d;
    border-radius: 4px;
    min-width: 120px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.user-menu:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
}

.dropdown-item {
    padding: 10px 16px;
    color: #ccc;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
}

.dropdown-item:hover {
    background-color: #3d3d3d;
    color: #fff;
}

.dropdown-icon {
    font-size: 16px;
}

.dropdown-divider {
    height: 1px;
    background-color: #3d3d3d;
    margin: 4px 0;
}