/* 下拉菜单样式 */
.dropdown {
    position: relative;
}

.dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 4px;
}

.dropdown-trigger::after {
    content: '';
    width: 8px;
    height: 8px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.3s ease;
    margin-left: 4px;
    margin-top: -4px;
}

.dropdown:hover .dropdown-trigger::after {
    transform: rotate(-135deg);
    margin-top: 2px;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: -20px;
    background: #fff;
    border-radius: 12px;
    padding: 8px 0;
    min-width: 200px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    color: #333;
    font-size: 14px;
    transition: all 0.3s ease;
    border-radius: 0;
    height: auto;
}

.dropdown-menu a:hover {
    background: rgba(26, 115, 232, 0.05);
    color: #1a73e8;
    transform: translateX(5px);
}

@media screen and (max-width: 768px) {
    .dropdown-menu {
        position: static;
        background: transparent;
        box-shadow: none;
        padding: 0 0 0 20px;
        opacity: 1;
        visibility: visible;
        transform: none;
        min-width: auto;
        border: none;
        margin-top: 8px;
    }

    .dropdown-menu a {
        padding: 8px 16px;
        font-size: 13px;
    }

    .dropdown-trigger::after {
        display: none;
    }

    .dropdown:hover .dropdown-menu {
        transform: none;
    }
}