* {
    margin: 0;
    padding: 0;
}
.w {
    width: 1200px;
    margin: 0 auto;
}
body {
    overflow-x: hidden;
}
li {
    list-style: none;
}
.title {
    font-size: 40px;
    color: #206AF0;
    text-align: center;
}
.banner {
    width: 100%;
    height: 390px;
    margin: 0 auto;
    opacity: 0.8;
    background: url('../picture/cy_dzbn_0.jpg') no-repeat;
    background-position: center;
    position: relative;
    overflow: hidden;
}
.banner .w {
    padding-top: 229px;
    padding-left: 175px;

}
.banner .btn {
    width: 160px;
    height: 44px;
    line-height: 44px;
    text-align: center;
    background: #206AEF;
    font-size: 26px;
    color: #FFFFFF;
    cursor: pointer;
}
#menu ul {
    display: flex;
    align-items: center;
}
#menu li {
    list-style: none;
    width: 124px;
    height: 60px;
    line-height: 60px;
    text-align: center;
    color: #333333;
}
#menu a {
    text-decoration: none;
}
#menu .active {
    background-color: #206AEF;
    color: #ffffff;
    position: relative;
    text-align: center;
}
#menu .active::after {
    content:'';
    position: absolute;
    width:0;
    height:0;
    border-width:10px 10px 0;
    border-style:solid;
    border-color:#206AEF transparent transparent ;
    bottom: -10px;
    left: 52px;
}

#product-price {
    padding-top: 39px;
}
#product-price .main {
    display: flex;
}
#product-price .main .contain {
    width: 631px;
    height: 636px;
    background: #FFFFFF;
    border: 1px solid rgba(32, 106, 240, .3);
    padding-top: 60px;
    padding-left: 35px;
    padding-right: 34px;
    margin-right: 40px;
    box-sizing: border-box;
}
#product-price .title {
    font-size: 40px;
    color: #206AF0;
    text-align: left;
}
#product-price .msg {
    margin-top: 60px;
    width: 562px;
    height: 332px;
    font-size: 18px;
    font-family: Noto Sans S Chinese;
    font-weight: 400;
    line-height: 36px;
    color: #333333;
    opacity: 1;
}
#product-price .concat {
    margin-left: 402px;
    width: 160px;
    height: 44px;
    background: #206AEF;
    font-size: 26px;
    color: #FFFFFF;
    line-height: 44px;
    text-align: center;
    cursor: pointer;
}

#suitable-scene {
    margin-top: 80px;
}
#suitable-scene .contain {
    margin-top: 60px;
    display: flex;
}
#suitable-scene .contain li {
    margin-right: 20px;
    width: 285px;
    height: 420px;
    background: #F9FAFB;
}
#suitable-scene .contain img {
    display: block;
    width: 100%;
    height: 174px;
}
#suitable-scene .contain .info {
    padding-left: 29px;
    padding-top: 30px;
}
#suitable-scene .contain p {
    font-size: 18px;
    color: #333333;
    font-weight: 500;
}
#suitable-scene .info div {
    margin-top: 20px;
    width: 228px;
    height: 148px;
    font-size: 12px;
    font-family: Noto Sans S Chinese;
    font-weight: 400;
    line-height: 32px;
    color: #152C53;
    opacity: 0.5;
}
#product-features {
    margin-top: 100px;
    padding-top: 60px;
    padding-bottom: 62px;
    background-image: url('../images/dzbh_bg1.png');
}
#product-features .contain {
    display: flex;
    flex-wrap: wrap;
    margin-top: 60px;
}
#product-features li {
    padding: 30px;
    box-sizing: border-box;
    width: 388px;
    height: 280px;
    background: linear-gradient(204deg, #FFFFFF 0%, #F5F8FE 100%);
    opacity: 1;
    border-radius: 5px;
    margin-right: 18px;
    margin-bottom: 18px;
}
#product-features li img {
    margin-left: 228px;
    width: 100px;
    height: 100px;
    background: linear-gradient(41deg, #F5F8FE 0%, #DCE9FF 100%);
    opacity: 1;
    border-radius: 10px;
}
#product-features .line {
    width: 40px;
    height: 4px;
    background: #206AEF;
    opacity: 0.2;
    border-radius: 2px;
}
#product-features .item-title {
    font-size: 22px;
    font-family: Noto Sans S Chinese;
    font-weight: 500;
    color: #206AEF;
    margin-top: 20px;
}
#product-features .info {
    font-size: 12px;
    font-family: Noto Sans S Chinese;
    font-weight: 400;
    line-height: 32px;
    color: #333333;
    opacity: 0.5;
    margin-top: 10px;
}

#functional-framework {
    margin-top: 80px;
}
#functional-framework img {
    display: block;
    width: 100%;
    margin-top: 60px;
}

#matching-interface {
    margin-top: 80px;
}
#matching-interface img {
    display: block;
    width: 100%;
    margin-top: 60px;
}

#technical-safety {
    margin-top: 80px;
    margin-bottom: 81px;
}
#technical-safety img {
    display: block;
    width: 100%;
    margin-top: 60px;
}


#system-advantages {
    padding-top: 80px;
    background: rgba(142, 150, 165, .05);
}
#system-advantages .contain {
    padding-top: 60px;
    display: flex;
    flex-wrap: wrap;
}
#system-advantages .contain li {
    text-align: center;
    height: 340px;
}
#system-advantages .typeA {
    width: 234px;
    margin-right: 57px;
}
#system-advantages .typeB {
    width: 262px;
    margin-right: 61px;
}
#system-advantages .contain li img {
    width: 124px;
    height: 124px;
    display: initial;
}
#system-advantages .contain li .item-title {
    margin-top: 30px;
    font-weight: 500;
    font-family: Noto Sans S Chinese;
    color: #206AF0;
}
#system-advantages .contain li .info {
    font-size: 12px;
    line-height: 32px;
    opacity: .5;
    color: #152C53;
    margin-top: 10px;
}