.aiTools{
    display: flex;
    align-items: flex-start;
    flex-wrap: wrap;
}

.tool_item{
    width: calc(25% - (36px / 4));
    display: flex;
    align-items: center;
    background: #ffffff;
    border: 1px solid #ffffff;
    box-shadow: 0 0 8px #e7e6e6;

    margin: 0 12px 15px 0;
    box-sizing: border-box;
    padding: 15px;
    border-radius: 8px;
}

.tool_item:hover{
    background: #f0eae5;
}

.tool_item:nth-child(4n){
    margin-right: 0;
}

.tool_icon{
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    overflow: hidden;
}

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

.tool_r{
    width: calc(100% - 40px);
    box-sizing: border-box;
    padding-left: 12px;
}

.tool_r h3{
    font-size: 16px;
    color: #333333;
    font-family: KTXP-Kaguya-Serif-Bold;  
}

.tool_r p{
    font-size: 14px;
    color: #918f8f;
    margin-top: 8px;
}

@media screen and (max-width: 1400px) {
    .tool_item{
        width: calc(33.3% - (24px / 3));
    }

    .tool_item:nth-child(4n){
        margin-right: 12px;
    }

    .tool_item:nth-child(3n){
        margin-right: 0;
    }
}

@media screen and (max-width: 678px) {
    .tool_item{
        width: calc(50% - (12px / 2));
    }

    .tool_item:nth-child(3n){
        margin-right: 12px;
    }

    .tool_item:nth-child(2n){
        margin-right: 0;
    }
}

@media screen and (max-width: 450px) {
    .tool_item{
        width: 100%;
        margin-right: 0 !important;
    }
}