.page-intelligentVideo-wrapper .top-banner {
    background: url(./../images/intelligentVideo/banner.jpg) no-repeat center / cover;
}
.page-intelligentVideo-wrapper .content-wrapper {
    padding-bottom: 0;
}
.page-intelligentVideo-wrapper .content-wrapper .block-1 {
    margin: 0;
}
.page-intelligentVideo-wrapper .content-wrapper .block-1 .item-wrapper {
    box-shadow: 2px 2px 10px rgba(210, 208, 208,.75);
    background: #F5F7F9 url(./../images//intelligentVideo/block1-bg.png) no-repeat center / cover;
}
.page-intelligentVideo-wrapper .content-wrapper .block-1 .item {
    padding: 0;
    border-right: 1px solid rgba(57, 58, 58, 0.25);
    background-color: transparent;
}
.page-intelligentVideo-wrapper .content-wrapper .block-1 .block-item {
    height: 100%;
    box-sizing: border-box;
    padding: 1.5vw 2vw;
    background-color: transparent;
}
.page-intelligentVideo-wrapper .content-wrapper .block-1 .item:nth-child(-n + 3) {
    border-bottom: 1px solid rgba(57, 58, 58, 0.25);
}
.page-intelligentVideo-wrapper .content-wrapper .block-1 .item:nth-child(3n) {
    border-right: none;
}
.page-intelligentVideo-wrapper .content-wrapper .block-1 .block-item .item-icon {
    width: 3.2vw;
    height: 3vw;
    margin-bottom: 2vw;
}
.page-intelligentVideo-wrapper .content-wrapper .block-1 .item:nth-child(1) .item-icon {
    background: url(./../images/intelligentVideo/block1-icon.png) no-repeat 0 0 / 16vw;
}
.page-intelligentVideo-wrapper .content-wrapper .block-1 .item:nth-child(2) .item-icon {
    background: url(./../images/intelligentVideo/block1-icon.png) no-repeat -3.2vw 0 / 16vw;
}
.page-intelligentVideo-wrapper .content-wrapper .block-1 .item:nth-child(3) .item-icon {
    background: url(./../images/intelligentVideo/block1-icon.png) no-repeat -6.4vw 0 / 16vw;
}
.page-intelligentVideo-wrapper .content-wrapper .block-1 .item:nth-child(4) .item-icon {
    background: url(./../images/intelligentVideo/block1-icon.png) no-repeat -9.6vw 0 / 16vw;
}
.page-intelligentVideo-wrapper .content-wrapper .block-1 .item:nth-child(5) .item-icon {
    background: url(./../images/intelligentVideo/block1-icon.png) no-repeat -12.8vw 0 / 16vw;
}
.page-intelligentVideo-wrapper .content-wrapper .block-1 .block-item .item-c {
    min-height: 4vw;
}
.page-intelligentVideo-wrapper .content-wrapper .block-2 {
    margin: 3.2vw 0 0;
}
.page-intelligentVideo-wrapper .content-wrapper .block-2 .item {
    width: 50%;
    padding: 0;

}
.page-intelligentVideo-wrapper .content-wrapper .block-2 .item:nth-child(-n+2) .block-item  {
    border-bottom: 1px solid rgba(57, 58, 58, 0.2);
}
.page-intelligentVideo-wrapper .content-wrapper .block-2 .item:nth-child(2n) .block-item  {
    border-left: 1px solid rgba(57, 58, 58, 0.2);
}
.page-intelligentVideo-wrapper .content-wrapper .block-2 .block-item {
    height: 100%;
    box-sizing: border-box;
    padding: 2vw 2vw 0 12vw;
    background-color: #F6F8FB;
    cursor: pointer;
    transition: all .3s ease-out;
}
@media screen and (max-width:1440px) {
	.page-intelligentVideo-wrapper .content-wrapper .block-2 .block-item {
		padding-left: 6vw;
	}
}
.page-intelligentVideo-wrapper .content-wrapper .block-2 .item:nth-child(2n) .block-item {
    padding-left: 2.4vw;
    padding-right: 12vw;
}
.page-intelligentVideo-wrapper .content-wrapper .block-2 .block-item .item-c {
    min-height: 2.8vw;
    padding-bottom: 1vw;
}
.page-intelligentVideo-wrapper .content-wrapper .block-2 .block-item:hover {
    background: #F6F8FB url("./../images//AIAnchor/block2-hover-bg.png") no-repeat right center / cover;
}
.page-intelligentVideo-wrapper .content-wrapper .block-2 .block-item:hover .item-t {
    color: #DB1717;
}
.page-intelligentVideo-wrapper .content-wrapper .block-3 {
    margin: 4vw -0.4vw 0;
}
.page-intelligentVideo-wrapper .content-wrapper .block-3 .item {
    width: 50%;
    padding: 0.4vw;
}
.page-intelligentVideo-wrapper .content-wrapper .block-3 .block-item {
    padding: 1.2vw 2vw;
    height: 100%;
    box-sizing: border-box;
    border-radius: 2px;
    transition: all 0.2s ease-out;
    cursor: pointer;
    overflow: hidden;
}
.page-intelligentVideo-wrapper .content-wrapper .block-3 .block-item .item-c {
    min-height: 2.8vw;
}
.page-intelligentVideo-wrapper .content-wrapper .block-3 .item:nth-child(2n+1) .block-item {
    background: url(./../images/intelligentWriting/block3-bg1.png) no-repeat center / cover;
}
.page-intelligentVideo-wrapper .content-wrapper .block-3 .item:nth-child(2n) .block-item {
    background: url(./../images/intelligentWriting/block3-bg2.png) no-repeat center / cover;
}
.page-intelligentVideo-wrapper .content-wrapper .block-3 .item:nth-child(3) .block-item {
    background: url(./../images/intelligentWriting/block3-bg3.png) no-repeat center / cover;
}
.page-intelligentVideo-wrapper .content-wrapper .block-3 .block-item:hover {
    transform: translateY(-5px);
    box-shadow: 4px 4px 10px rgba(0,0,0,.1);
}
.page-intelligentVideo-wrapper .content-wrapper .block-3 .block-item:hover .item-t {
    color: #DB1717;
}
.page-intelligentVideo-wrapper .content-wrapper .block-4 {
    margin: 3.6vw 0 0;
    padding: 4vw 0;
    width: 100%;
    min-height: 15vw;
    background: url("./../images/intelligentVideo/block4-bg.png") no-repeat center / cover;
    overflow: hidden;
    box-sizing: border-box;
}
.page-intelligentVideo-wrapper .content-wrapper .block-4 .text {
    text-align: center;
    font-size: 1.2vw;
    line-height: 1.8;
    color: #666;
}