.banner {
    background: url(../images/index/banner.png) no-repeat center;
    background-size: cover;
    height: 620px;
    padding-top: 174px;
    text-align: center;
}

.title {
    background: url(../images/index/title.png) no-repeat center;
    background-size: contain;
    height: 54px;
    margin-bottom: 30px;
}

.banner p {
    font-size: 50px;
    font-family: PingFang SC;
    font-weight: 500;
    color: #FFFFFF;
}

.index1 {
    margin-bottom: 50px;
}

.index1_icon {
    padding-top: 80px;
}

.index1_icon li {
    display: flex;
    margin-bottom: 20px;
}

.index1_icon li div {
    flex: 1;
    text-align: left;
    padding-top: 3px;
}

.index1_icon li div span {
    font-size: 22px;
    font-family: PingFang SC;
    font-weight: 400;
    color: #A22931;
    line-height: 42px;
}

.index1_icon li div p {
    font-size: 18px;
    font-family: PingFang SC;
    font-weight: 400;
    color: #333333;
}

.index1_icon li:nth-child(1)::before {
    content: "";
    display: block;
    width: 100px;
    height: 100px;
    background: url(../images/index/icon1.png) no-repeat;
    background-size: contain;
    margin-right: 20px;
}

.index1_icon li:nth-child(2)::before {
    content: "";
    display: block;
    width: 100px;
    height: 100px;
    background: url(../images/index/icon2.png) no-repeat;
    background-size: contain;
    margin-right: 20px;
}

.index1_icon li:nth-child(3)::before {
    content: "";
    display: block;
    width: 100px;
    height: 100px;
    background: url(../images/index/icon3.png) no-repeat;
    background-size: contain;
    margin-right: 20px;
}

.index1_icon li:nth-child(3) div {
    padding-top: 15px;
}

.superiority {
    display: flex;
    justify-content: space-between;
    padding-top: 40px;
}

.superiority li {
    width: 350px;
    height: 360px;
    text-align: center;
    padding: 70px 55px 0;
}

.superiority li:nth-child(1) {
    background: url(../images/index/1.png) no-repeat center;
    background-size: contain;
}

.superiority li:nth-child(2) {
    background: url(../images/index/2.png) no-repeat center;
    background-size: contain;
}

.superiority li:nth-child(3) {
    background: url(../images/index/3.png) no-repeat center;
    background-size: contain;
}

.superiority li h4 {
    font-size: 20px;
    font-family: PingFang SC;
    font-weight: 500;
    color: #FFFFFF;
    margin-bottom: 40px;
}

.superiority li p {
    font-size: 16px;
    font-family: PingFang SC;
    font-weight: 400;
    color: #FFFFFF;
    text-align: left;
}

.bottom {
    background: url(../images/index/bottom.png) no-repeat center;
    background-size: cover;
    height: 230px;
}

.bottom h3 {
    font-size: 32px;
    font-family: PingFang SC;
    font-weight: 500;
    color: #FFFFFF;
    line-height: 230px;
    text-align: center;
}

@media (max-width: 1080px) {
    .banner {
        background: url(../images/index/banner_m.png) no-repeat center;
        background-size: cover;
        height: 57.4074vw;
        padding-top: 16.2963vw;
        text-align: center;
    }
    .title {
        background: url(../images/index/title.png) no-repeat center;
        background-size: contain;
        height: 5vw;
        margin-bottom: 2.7778vw;
    }
    .banner p {
        font-size: 4.6296vw;
        font-family: PingFang SC;
        font-weight: 500;
        color: #FFFFFF;
    }
    .index1 {
        margin-bottom: 4.6296vw;
    }
    .index1_icon {
        padding-top: 7.4074vw;
    }
    .index1_icon li {
        display: flex;
        margin-bottom: 5.5556vw;
    }
    .index1_icon li div {
        flex: 1;
        text-align: left;
        padding-top: 0;
    }
    .index1_icon li div span {
        font-size: 3.3333vw;
        font-family: PingFang SC;
        font-weight: 400;
        color: #A22931;
        line-height: 5.5556vw;
    }
    .index1_icon li div p {
        font-size: 2.5926vw;
        font-family: PingFang SC;
        font-weight: 400;
        color: #333333;
    }
    .index1_icon li:nth-child(1)::before {
        content: "";
        display: block;
        width: 13.8889vw;
        height: 13.8889vw;
        background: url(../images/index/icon1.png) no-repeat;
        background-size: contain;
        margin-right: 2.2222vw;
    }
    .index1_icon li:nth-child(2)::before {
        content: "";
        display: block;
        width: 13.8889vw;
        height: 13.8889vw;
        background: url(../images/index/icon2.png) no-repeat;
        background-size: contain;
        margin-right: 2.2222vw;
    }
    .index1_icon li:nth-child(3)::before {
        content: "";
        display: block;
        width: 13.8889vw;
        height: 13.8889vw;
        background: url(../images/index/icon3.png) no-repeat;
        background-size: contain;
        margin-right: 2.2222vw;
    }
    .index1_icon li:nth-child(3) div {
        padding-top: 0;
    }
    .superiority {
        display: flex;
        justify-content: space-between;
        padding-top: 3.7037vw;
    }
    .superiority li {
        width: 33.3333%;
        height: 44.6296vw;
        text-align: center;
        padding: 2vw 1vw 0;
        border-radius: 1vw;
    }
    .superiority li:nth-child(1) {
        background: url(../images/index/1.png) no-repeat center;
        background-size: cover;
        margin-right: 1vw;
    }
    .superiority li:nth-child(2) {
        background: url(../images/index/2.png) no-repeat center;
        background-size: cover;
        margin-right: 1vw;
    }
    .superiority li:nth-child(3) {
        background: url(../images/index/3.png) no-repeat center;
        background-size: cover;
    }
    .superiority li h4 {
        font-size: 3.1481vw;
        font-family: PingFang SC;
        font-weight: 500;
        color: #FFFFFF;
        margin-bottom: 1vw;
    }
    .superiority li p {
        font-size: 2.4074vw;
        font-family: PingFang SC;
        font-weight: 400;
        color: #FFFFFF;
        text-align: left;
    }
    .bottom {
        background: url(../images/index/bottom_m.png) no-repeat center;
        background-size: cover;
        height: 21.2963vw;
    }
    .bottom h3 {
        font-size: 2.963vw;
        font-family: PingFang SC;
        font-weight: 500;
        color: #FFFFFF;
        line-height: 21.2963vw;
        text-align: center;
    }
}