sites/home/entry/principle/index.less
.arco-design-principle {
    padding: 80px 9% 180px 9%;
    .arco-design-mobile-title {
        font-size: 36px;
    }
    .principle-group {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    .principle-item {
        display: inline-block;
        margin-top: 36px;
        padding: 75px 36px 77px 36px;
        width: 22.60%;
        vertical-align: top;
        text-align: left;
        background: #FFFFFF;
        border: 1px solid #F2F3F5;
        box-sizing: border-box;
        border-radius: 12px;
        img {
            width: 40px;
        }
        .title {
            margin-top: 32px;
            font-family: PingFang SC;
            font-style: normal;
            font-weight: 500;
            font-size: 24px;
            line-height: 32px;
            color: #1D2129;
        }
        .subtitle {
            margin-top: 12px;
            font-family: PingFang SC;
            font-size: 14px;
            line-height: 22px;
            color: #4E5969;

        }
    }
    @media screen and (max-width: 1199px) and (min-width: 768px) {
        .principle-item {
            width: calc(50% - 18px);
        }
    }
    @media screen and (max-width: 768px) {
        padding: 40px 16px 60px 16px;
        .principle-group {
            flex-direction: column;
        }
        .arco-design-mobile-title {
            font-size: 20px;
        }
        .principle-item {
            display: flex;
            align-items: flex-start;
            justify-content: flex-start;
            padding: 15px 12px 17px 12px;
            margin-right: 0;
            width: auto;
            background: #F7F8FA;
            border: 0;
            img {
                margin-top: 4px;
                width: 24px;
            }
            .title-wrapper {
                margin-left: 10px;
            }
            .title {
                margin-top: 0;
                font-size: 18px;
            }
            .subtitle {
                margin-top: 1px;
                font-size: 14px;
                line-height: 24px;
            }
            & + .principle-item {
                margin-left: 0;
                margin-top: 12px;
            }

        }

    }
}
