.index_banner {
    width: 100%;
    height: 100vh;
}

.index_main {
    width: 60rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 0;
    z-index: 1;
    position: relative;
}

/* top导航 */

.top_logo {
    width: 3rem;
}

.top_dian {
    width: .5rem;
    height: .5rem;
    background-color: #db3745;
    border-radius: 50%;
    margin: 0 .75rem;
}

.top_left_title {
    font-size: .9rem;
    color: #333;
}

.top_right {
    font-size: .9rem;
    color: #333;
}

.top_right>p {
    width: 5.6rem;
    line-height: 2.8rem;
    height: 2.8rem;
    text-align: center;
    margin-left: 1.7rem;
    cursor: pointer;
}

.top_right_click {
    background-color: rgba(246, 30, 13, 0.8);
    color: #fff;
}

.banner_icon {
    position: absolute;
    left: 50%;
    top: 50%;
    /* width: 28.4rem; */
    height: 80vh;
    min-height: 30.5rem;
}

.banner_bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    margin: 0 auto;
    text-align: center;
    width: 23.6rem;

}

.banner_bottom>p {
    font-size: .9rem;
    color: #333;
    margin-bottom: 1rem;
    padding:10px 20px;
    background-color: rgba(255,255,255,0.8);
    display: inline-block;
}

.banner_bottom>img {}

.paragraph_main {
    width: 60rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* 第一段 */

.paragraph_1 {
    height: 24.3rem;
    flex-direction: row-reverse;
}

.paragraph_3_top {
    flex-direction: row-reverse;
}

.paragraph_1_left {
    width: 50%;
}

.paragraph_1_left>h1 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    font-weight: normal;
    color: #000;
}

.paragraph_1_left>h2 {
    font-size: 1.2rem;
    margin-bottom: .5rem;
    font-weight: normal;
    color: #333;
}

.paragraph_1_left>p {
    font-size: .9rem;
    color: #666;
    text-align: justify;
}

.paragraph_img {
    height: 100%;
}

/* 第2段 */

.paragraph_2 {
    height: 26rem;
}

.paragraph_2_left {
    color: #fff;
    width: 19.9rem;
}

.paragraph_2_left>p {
    font-size: .7rem;
    text-align: justify;
    margin-top: 1rem;
}

.paragraph_2_title {
    font-size: 1.2rem;
}

.paragraph_2_title>div {
    width: 2rem;
    height: 2rem;
    border: 1px solid #fff;
    margin-right: 1rem;
    position: relative;
}

.paragraph_2_title>div::after {
    content: "";
    position: absolute;
    top: 1rem;
    right: 100%;
    width: calc((100vw - 60rem)/2);
    height: 1px;
    background-color: #fff;
}

.paragraph_2_right {
    color: #fff;
    padding-right: 9.2rem;
}

.paragraph_2_icon {
    margin-left: 2rem;
}

.paragraph_2_icon>img {
    height: 2.6rem;
}

.paragraph_2_icon>h1 {
    font-size: .9rem;
    margin-top: .5rem;
    font-weight: normal;
}

.paragraph_2_icon>p {
    font-size: .6rem;
}

.paragraph_img2 {
    position: absolute;
    top: 50%;
    right: 0;
    width: 12.8rem;
}

.paragraph_img3 {
    width: 25.7rem;
}

.paragraph_3 {
    padding-bottom: 3rem;
}

.paragraph_3_icon>img {
    height: 2.6rem;
}

.paragraph_3_icon>h1 {
    font-size: 1.2rem;
    margin-top: 1rem;
    font-weight: normal;
}

.paragraph_3_icon>p {
    font-size: .9rem;
    color: #333;
    margin-top: .5rem;
    width: 18.2rem;
}

/* 第四段 */

.paragraph_color {
    background-color: #f4f4f4;
}

/* 第6段 */

.paragraph_6 {
    padding: 2rem 0;
}

.paragraph_6_main {
    width: 29.1rem;
}

.paragraph_6_title {
    font-size: .7rem;
    color: #666;
    padding-bottom: .5rem;
}

.paragraph_6_title>h1 {
    font-size: 1.8rem;
    color: #333;
    font-weight: normal;
}

.paragraph_6_list>li {
    padding: 0 1rem;
    background-color: #fff;
    height: 3.5rem;
    margin-top: .5rem;
    cursor: pointer;
    position: relative;
}

.paragraph_6_list>li::after {
    content: "";
    width: 1.8rem;
    height: 1px;
    background-color: #666;
    position: absolute;
    top: 1.75rem;
    left: -0.9rem;
    transition-duration: 0.25s;
    -moz-transition-duration: 0.25s;
    -webkit-transition-duration: 0.25s;
    -o-transition-duration: 0.25s;
}

.paragraph_6_list>li:hover::after {
    left: calc(100% - 0.9rem);
}

.paragraph_6_list>li>h1 {
    font-size: .8rem;
    font-weight: normal;
    color: #000;
}

.paragraph_6_list>li>p {
    font-size: .7rem;
    color: #666;
    margin-left: 1rem;
}

/* 第7段 */

.paragraph_7_right {
    color: #fff;
    margin-bottom: 4rem;
}

.paragraph_img7 {
    width: 12.8rem;
    margin-right: 2.3rem;
}

.paragraph_7_right>.paragraph_2_icon {
    margin: 0;
}

.index_bottom_logo {
    width: 3.6rem;
    margin-right: .5rem;
}

.index_data {
    color: #fff;
}

.index_data>h1 {
    font-size: .9rem;
    font-weight: normal;
}

.index_data_ba {
    margin-top: .5rem;
}

.index_data_ba>img {
    width: .9rem;
    margin-right: .5rem;
}

.index_data_ba>p {
    font-size: .6rem;
}

.paragraph_erwm {
    margin-left: 1.8rem;
    text-align: center;
    font-size: .7rem;
    color: #fff;
}

.paragraph_erwm>img {
    width: 5.8rem;
    height: 5.8rem;
    background-color: #fff;
    padding: .3rem;
    border-radius: .5rem;
    margin-bottom: .5rem;
}

.dn_img_erwm {
    width: 5rem;
    height: 5rem;
    background-color: #fff;
    padding: .3rem;
    border-radius: .5rem;
    position: absolute;
    right: 2rem;
    bottom: 2rem;
    display: none;
}

.paragraph_erwm_main {
    flex-direction: row-reverse;
}

/* 漂浮二维码 */

.paragraph_erwm_main_3 {
    position: fixed;
    right: 0;
    top: 50%;
    padding: 0.5rem;
    background-color: rgba(0,0,0,0.1);
    border-radius: 1rem 0 0 1rem;
    z-index:1000;
}
.paragraph_erwm_main_3>.paragraph_erwm_3:nth-last-of-type(1){
    margin-bottom: 0;
}
.paragraph_erwm_3 {
    text-align: center;
    margin-bottom: 1rem;
}

.paragraph_erwm_3>img {
    width: 4rem;
    height: 4rem;
    background-color: #fff;
    padding: .3rem;
    border-radius: .5rem;
    margin-bottom: .5rem;
}

.paragraph_erwm_3>p {
    font-size: 14px;
}
.paragraph_erwm_main_4{
    display: none;
}
@media only screen and (max-width: 1200px) {
    .top_right {
        display: none;
    }
    .index_main {
        width: 100%;
        padding: 1rem;
    }
    .banner_icon {
        min-height: 0;
    }
    .banner_bottom>p {
        font-size: .6rem;
        margin-bottom: .5rem;
    }
    .paragraph_main {
        width: 100%;
        padding: 0 1rem;
    }
    .paragraph_1,
    .paragraph_2 {
        height: auto;
        flex-wrap: wrap;
    }
    .paragraph_img {
        width: 100%;
        height: auto;
    }
    .paragraph_1_left {
        width: 100%;
        margin-top: -2rem;
        padding-bottom: 2rem;
    }
    .paragraph_1_left>h1 {
        font-size: 1.1rem;
        margin-bottom: .5rem;
    }
    .paragraph_2 {
        padding: 2rem 1rem;
    }
    .paragraph_2_title>div {
        width: 1.5rem;
        height: 1.5rem;
        margin-right: .5rem;
    }
    .paragraph_2_title {
        font-size: 1.1rem;
    }
    .paragraph_2_right {
        padding-right: 0;
        flex-wrap: wrap;
    }
    .paragraph_2_icon {
        margin: 0;
        width: 50%;
        margin-top: 2rem;
    }
    .paragraph_img2 {
        display: none;
    }
    .dn_img_erwm {
        display: block;
    }
    .paragraph_3_top {
        flex-wrap: wrap;
    }
    .paragraph_3_top>.paragraph_1_left {
        margin-top: 2rem;
    }
    .paragraph_3 {
        flex-wrap: wrap;
    }
    .paragraph_3_icon {
        width: 100%;
        margin-bottom: 2rem;
    }
    .paragraph_3_icon>p {
        width: 100%;
    }
    .paragraph_6 {
        flex-wrap: wrap;
        padding-bottom: 2rem;
    }
    .paragraph_6_main {
        width: 100%;
        margin-top: 2rem;
    }
    .paragraph_img7 {
        margin: 0 auto;
    }
    .paragraph_7_right {
        flex-wrap: wrap;
    }
    .paragraph_7_right>.paragraph_2_icon {
        width: 50%;
        margin-top: 2rem;
    }
    .paragraph_erwm_main {
        flex-wrap: wrap;
    }
    .paragraph_erwm {
        margin: 0;
        width: 100%;
    }
    .paragraph_erwm>img {
        width: 4rem;
        height: 4rem;
    }
    .paragraph_erwm_main_1 {
        width: 100%;
        margin-bottom: 2rem;
        display: none;
    }
    .paragraph_erwm_main_2 {
        flex-wrap: wrap;
        text-align: center;
        width: 100%;
    }
    .index_data {
        width: 100%;
    }
    .index_bottom_logo {
        margin: 0 auto 1rem;
    }
    .index_data_ba {
        display: flex;
        display: -webkit-flex;
        justify-content: center;
        align-items: center;
    }
    .paragraph_erwm_main_3{
        display: none;
    }
    .paragraph_erwm_main_4{
        display: flex;
        position: fixed;
        bottom:0;
        left:0;
        width:100%;
        padding:1rem 1rem 0;
        background-color: rgba(0,0,0,0.1);
        z-index: 1000;
    }
    .paragraph_21{
        padding-bottom:10rem;
    }
}