.title {
	padding-top:6.8vw;
    font-size: 2.4vw;
    font-weight: 600;
    line-height: 2.4vw;
    color: rgba(11, 67, 124, 1);
    opacity: 1;
}
.div_org {
    background-image: url('../images/ct.png'); /* 替换为你的图片路径 */
    margin-left:9%;
    width: 21.2%; /* 宽度为页面宽度的20% */
    position: relative;
    height: 0; /* 初始高度为0 */
    padding-top: calc(127 / 344 * 20%); /* 根据16:9比例计算padding-top值，确保高度是宽度的9/16 */
    background-size: cover; /* 背景图片大小设置为cover，使其完全覆盖div */
    background-position: center; /* 背景图片居中显示 */
    background-repeat: no-repeat; /* 防止背景图片重复 */
    float:left;
    margin-top:1vw;
    cursor: pointer;
}
.div_org span { /* 假设文字放在span标签内 */
    position: absolute;
    top: 40%;
    left: 25%;
    font-size:1vw;
}
.div_org:hover {
    background-image: url('../images/xz.png'); /* 替换为你的图片路径 */
    margin-left:9%;
    width: 21.2%; /* 宽度为页面宽度的20% */
    position: relative;
    height: 0; /* 初始高度为0 */
    padding-top: calc(127 / 344 * 20%); /* 根据16:9比例计算padding-top值，确保高度是宽度的9/16 */
    background-size: cover; /* 背景图片大小设置为cover，使其完全覆盖div */
    background-position: center; /* 背景图片居中显示 */
    background-repeat: no-repeat; /* 防止背景图片重复 */
    float:left;
    margin-top:1vw;
    cursor: pointer;
}

.top-nav {
	padding-top:2.4vw;
	padding-left:7.4vw;
}
.top-logo {
    width: 229px;
    height: 57px;
    background: url(../images/2004270914380.png) no-repeat;
}
.w1200 {
    width: 1200px;
    margin: 0 auto;
}
.fl{
	float:left;
}
.fr{
	float:right;
}
.czt-footer {
    height: 120px;
    background: #245f8f;
    color: #fff;
    font-size: 14px;
    padding-top: 25px;
}
.czt-footer-tip1 {
    width: 980px;
    padding-top: 15px;
    padding-left: 30px;
}
.czt-footer-tip2 {
    text-align: center;
    margin-top: 15px;
    line-height: 13px;
    margin-left: 340px;
}
.czt-footer-section2, .czt-footer-section3 {
    margin-top: 15px;
    margin-left: 15px;
}
.czt-footer-tip2 .foooter-border {
    display: block;
    border: 1px solid #fff;
    width: 1px;
    height: 13px;
    margin: 0 27px;
}
.czt-footer-tip2 a {
    float: left;
}
.czt-footer-tip1 ins {
    margin: 0 15px;
}
a, ins {
    text-decoration: none;
    outline: none;
}
.czt-footer a {
    color: #fff;
}
ol, ul, li {
    list-style: none;
}
body, div, p, ul, li {
    margin: 0;
    padding: 0;
}