/* 产品服务专属样式 */
.dropdown-menu {
    display: flex;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    width: 100vw;
    height: 400px;
    background-image: url('../image/2026logo.png');
    background-size: 100% 900px;
    background-position: center;
    background-repeat: no-repeat;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    z-index: 1001;
    padding: 0;
    margin-top: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.dropdown-menu.active {
    display: flex;
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.primary-options {
    width: 30%;
    height: 100%;
    padding: 30px 0;
    box-shadow: 2px 0 5px rgba(152, 25, 25, 0);
    margin-left: 20vw;
    text-align: right;
}

.primary-option {
    padding: 15px 30px;
    font-size: 20px;
    cursor: pointer;
    color: #e44444 !important;
    transition: all 0.3s;
    border-left: 4px solid transparent;
}

.primary-option:hover {
    color: #4a6fa5;
}

.primary-option.active {
    color: #4a6fa5;
    border-right: 4px solid #f5f5f5;
    font-weight: bold;
}

.secondary-options {
    width: 70%;
    height: 100%;
    padding: 30px;
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
    margin-right: 20vw;
}

.secondary-option-group {
    display: none;
    width: 100%;
}

.secondary-option-group.active {
    display: flex;
    flex-wrap: wrap;
}

.secondary-option {
    width: 33.33%;
    padding: 10px 15px;
    font-size: 20px;
    color: #fff !important;
    transition: all 0.3s;
    cursor: pointer;
    display: flex;
    align-items: center;
}

.secondary-option:hover {
    background-color: rgba(255, 215, 0, 0.2) !important;
    color: #FFF !important;
}

.secondary-option::before {
    content: "";
    margin-right: 0;
    color: #4a6fa5;
    font-size: 18px;
}

@media (max-width: 768px) {
    .dropdown-menu {
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        height: auto;
        max-height: 70vh;
        overflow-y: auto;
        transform: none;
        margin-top: 0;
        padding: 0;
        flex-direction: column;
    }
    
    .primary-options {
        width: 100%;
        margin-left: 0;
        text-align: left;
        padding: 15px;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        margin-bottom: 10px;
    }
    
    .primary-option {
        padding: 10px 15px;
        font-size: 16px;
        border-left: 3px solid transparent;
    }
    
    .primary-option.active {
        border-left: 3px solid #4a6fa5;
    }
    
    .secondary-options {
        width: 100%;
        margin-right: 0;
        padding: 15px;
    }
    
    .secondary-option {
        width: 50%;
        font-size: 14px;
        padding: 8px 10px;
    }
}

@media (max-width: 810px) {
    .has-dropdown .dropdown-menu {
        display: none !important;
    }
}