video{    max-width: 100%;}


@media only screen and (max-width:768px) {

.sect5 ul li::before {

    top: 15px;}}
@media only screen and (max-width:700px) {
    .zhlist li {
        line-height: 28px;
        font-size: 14px;
        padding: 15px 0 5px 37px;}}.xs-con h3 {
    display: inline-block;
    font-size: 22px;
    color: #274db6;
    padding-left: 20px;
    margin-top: 15px;
    position: relative;}

.xs-con h3::before {
    content: "";
    position: absolute;
    width: 10px;
    height: 10px;
    background: #274db6;
    bottom: auto;
    top: 50%;
    transform: translateY(-50%);
    left: 0;}

.xs-con h3::after {
    content: "";
    position: absolute;
    width: 84px;
    height: 2px;
    background: #274db6;
    left: 100%;
    bottom: 50%;}

.xs-con h3 span {
    color: #FF981D;}