html {
    font-family: "microsoft yahei,arial, helvetica, sans-serif";
    font-size: 16px;
}

* {
    margin: 0;
    padding: 0;
}

li,
ul,
ol {
    list-style: none;
}

a {
    text-decoration: none;
    color: #000;
}

.flex {
    display: flex;
}

.auto {
    margin: 0 auto;
}

.clearfix::after {
    content: '';
    display: block;
    clear: both;
}

.top1 {
    width: 1000px;
    height: 50px;
    line-height: 50px;
}

.top1 p:first-child {
    float: left;
    font-size: 28px;
    font-family: "kaiti";
    color: rgb(3, 23, 237);
    font-weight: 700;
    letter-spacing: 15px;
}

.top1 p:last-child {
    float: right;
}

.top1 p:last-child span {
    display: block;
    float: left;
    cursor: pointer;
}

.top1 p:last-child span:hover {
    color: blue;
}

.top1 p:last-child span~span {
    margin-left: 20px;
}

.cul {
    width: 1000px;
    height: 40px;
    line-height: 40px;
    background-color: rgb(70, 196, 253);
}

.cul li {
    width: 140px;
    float: left;
}

.cul li a {
    display: block;
    text-align: center;
    color: #fff;
}

.cul li a:hover {
    background-color: rgba(0, 0, 0, .23);
}

.con1 {
    width: 1000px;
    margin: 15px auto;
}

.con1 img {
    float: left;
    width: 60%;
    height: 450px;
    transition: all .3s;
}

.con1 img:hover {
    box-shadow: 1px 1px 10px 1px #000;
}

.con1 div {
    width: 36%;
    float: right;
    font-family: "kaiti";
    font-weight: 500;
    color: rgb(84, 85, 85);
    line-height: 20px;
}

.ch3 {
    text-align: center;
    margin: 30px 0;
}

.chr {
    width: 1000px;
    border: 0;
    height: 2px;
    background-color: #ccc;
}

.p1 {
    width: 1000px;
    line-height: 28px;
    text-indent: 2em;
    margin: 30px auto;
}

.con2 {
    width: 1000px;
}

.con2 p:first-child {
    width: 70%;
    float: left;
}

.con2 p:first-child img:nth-of-type(even) {
    width: 40%;
    height: 200px;
    float: left;
    margin-left: 2%;
}

.con2 p:first-child img:nth-of-type(odd) {
    width: 58%;
    height: 200px;
    float: left;
}

.con2 p:first-child img:nth-of-type(-n+2) {
    margin-bottom: 2%;
}

.con2 p:last-child {
    width: 28%;
    float: right;
}

.con2 p:last-child img {
    width: 100%;
    height: 415px;
}

.con3 {
    width: 1000px;
    margin: 25px auto;
}

.con3 .p2 {
    width: 140px;
    height: 35px;
    line-height: 35px;
    text-align: center;
    background-color: seagreen;
    color: #fff;
    border-radius: 10px 0;
}

.con4 {
    width: 1000px;
    margin: 30px auto;
}

.con4>div {
    height: 100px;
    border-bottom: 1px solid #ccc;
}

.con4>div~div {
    margin-top: 30px;
}

.con4>div img {
    width: 75px;
    height: 75px;
    border-radius: 50%;
    float: left;
    margin-right: 20px;
}

.con4>div div {
    float: left;
}

.con4>div div p {
    line-height: 30px;
}

.con4>div div p:first-child span:first-child {
    font-size: 25px;
    color: orangered;
    margin-right: 20px;
}

.con4>div div p:first-child span:last-child {
    color: #ccc;
}

.footer {
    margin-top: 30px;
}

.footer p {
    line-height: 35px;
    color: blue;
    text-align: center;
    cursor: pointer;
}