* {
    margin: 0px;
    padding: 0px;
    list-style: none;
}

body {
    background-color: #E5E5E5;

}

#bigbox {
    width: 1000px;
    margin: 0 auto;
    -moz-box-shadow: 2px 2px 5px #333333;
    -webkit-box-shadow: 2px 2px 5px #333333;
    box-shadow: 2px 2px 5px #333333;
}

#title {
    position: relative;
    width: 1000px;
    font-size: 0px;
}

#title>img {
    width: 1000px;
    height: 104px;
}

#title div img {
    position: absolute;
    width: 80px;
    top: 12px;
    left: 50px;
    border-radius: 50%;
}

#mian {
    background-color: #fff;
    padding-top: 10px;
    font-size: 0px;
}

#mian>div {
    font-size: 16px;
}

#mian_left {
    width: 180px;
    display: inline-block;
    height: 390px;

}

#mian_left a {
    display: inline-block;
    text-align: center;
    width: 160px;
    background: #525252;
    /* fallback for old browsers */
    background: -webkit-linear-gradient(to right, rgb(82, 82, 82), rgb(61, 114, 180));
    /* Chrome 10-25, Safari 5.1-6 */
    background: linear-gradient(to right, rgb(82, 82, 82), rgb(61, 114, 180));
    /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
    height: 30px;
    margin-left: 10px;
    text-decoration: none;
    color: #fff;
    line-height: 30px;
    border-radius: 4px;
    margin-top: 10px;
    font-size: 14px;
}

#mian_left a:hover {
    color: #171717;
    font-weight: bold;
}

#mian_right {
    height: 370px;
    width: 810px;
    background-color: #171717;
    display: inline-block;
    border-radius: 4px;
    overflow: hidden;
}

#bg2 {
    margin-top: 10px;
    width: 160px;
    margin-left: 10px;
    height: 210px;
    background-color: #171717;
    border-radius: 4px;
    overflow: hidden;
}

* {
    margin: 0;
    padding: 0;
}

.content {
    width: 810px;
    height: 370px;
    position: relative;
    overflow: hidden;
    margin: 0 auto;
}

.wrapper {
    width: 400%;
    height: 100%;
    margin: 0;
    padding: 0;
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    transition: none;
}

.wrapper li {
    flex: 1;
    list-style: none;
    margin: 0;
    padding: 0;
}

.wrapper li img {
    width: 810px;
    height: 370px;
}

.radius {
    height: 12px;
    margin: 0;
    padding: 0;
    position: absolute;
    bottom: 10px;
    left: 10px;
    display: flex;
    align-items: center;
}

.radius li {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: white;
    opacity: 0.6;
    margin: 0 3px;
    padding: 0;
    list-style: none;
}

.radius-active {
    opacity: 1 !important;
    border: 2px solid rgb(255, 255, 255, 0.5);
    background-clip: padding-box;
}

.prev {
    width: 23px;
    line-height: 34px;
    text-align: center;
    position: absolute;
    left: 0;
    top: 50%;
    margin-top: -17px;
    background-color: darkgray;
    opacity: 0;
}

.next {
    width: 23px;
    line-height: 34px;
    text-align: center;
    position: absolute;
    right: 0;
    top: 50%;
    margin-top: -17px;
    background-color: darkgray;
    opacity: 0;
}

.prev span,
.next span {
    font-weight: bold;
    color: white;
    font-size: 18px;
}

#bg2 img {
    width: 160px;
}

#main2 {
    padding-top: 30px;
    padding-bottom: 30px;
    font-size: 0px;
    width: 1000px;
    background-color: #fff;
    margin-top: 10px;
    display: flex;

}

#tupian {
    display: inline-block;
    text-align: center;
    margin-left: 24px;
    line-height: 30px;

}

#tupian img {
    height: 200px;
    border-radius: 4px;
}

.title {
    display: inline-block;
    font-size: 24px !important;
    width: 24px;
    margin-left: 30px;
    font-weight: bold;
    color: #3F6EA9;
    line-height: 50px;
    margin-right: 40px;
}

#main2 p {
    font-size: 16px;
}

#main3 {
    position: relative;
    width: 1000px;
    height: 170px;
    padding-top: 30px;
    padding-bottom: 30px;
    background-color: #F1F1F1;
    margin-top: 10px;
    margin-bottom: 20px;
}

#main3 p {
    font-size: 14px;
    line-height: 35px;
    margin-left: 30px;
}

#main3 p:last-child {
    position: absolute;
    right: 30px;
    top: 30px;
    width: 500px;
}

#main3 span {
    font-weight: bold;
}

footer {
    width: 1000px;
    text-align: center;
    line-height: 60px;
    background: #525252;
    /* fallback for old browsers */
    background: -webkit-linear-gradient(to right, rgb(82, 82, 82), rgb(61, 114, 180));
    /* Chrome 10-25, Safari 5.1-6 */
    background: linear-gradient(to right, rgb(82, 82, 82), rgb(61, 114, 180));
    /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
    color: #fff;
    font-size: 14px;
}

#main4 {
    width: 1000px;
    margin-top: 10px;
    margin-bottom: 20px;
    padding-top: 30px;
    padding-bottom: 30px;
    background-color: #F1F1F1;
}

#main4 p {
    width: 980px;
    margin-left: 10px;
    text-indent: 28px;
    font-size: 16px;
    line-height: 30px;
}

#main4 span {
    font-size: 30px;
    font-weight: bold;
}

#main5 {
    width: 1000px;
    margin-top: 10px;
    margin-bottom: 20px;
    padding-top: 30px;
    padding-bottom: 30px;
    line-height: 50px;
    background-color: #F1F1F1;
}

#main5 h3 {
    text-align: center;
}

#main5 div {
    margin: 0 auto;
    width: 300px;
}

#main5 span {
    display: inline-block;
    width: 70px;
}

button {
    width: 100px;
    height: 30px;
    margin-left: 80px;
}