.body-content {
    background: url("../img/back.jpg") no-repeat center / cover; 
    background-attachment: fixed; /* 背景固定，不随内容滚动 */
    
    /* 容器尺寸控制 */
    width: 100%;
    min-height: 100vh; /* 最小占满视口 */
    overflow: auto; /* 内容溢出时滚动 */
    
    /* 防变形优化 */
    position: relative;
    /* 移除冲突属性：contain会导致留白，100% 100%会拉伸 */
}
}
.guide-top {
    width: 1200px;
    margin:0 auto;
    overflow: hidden
}
.guide-top>div {
    width: 38.5px;
    height: 38.5px;
    margin:0 auto;
    margin-top:134px;
}
.guide-top>span {
    display: block;
    width: 15px;
    height: 4px;
    background: #fff;
    margin: 15px auto 10px;
}
.guide-top>p {
    text-align: center;
    color:#fff;
    font-size: 24px;
    margin:10px 0
}
.guide-links {
    background: rgba(255, 255, 255, 0.83);
    width: 960px;
    margin:95px auto 0;
    display: flex
}
.guide-links>a {
    cursor:pointer;
    display: block;
    width: 240px;
    height: 320px;
    overflow: hidden;
    text-decoration: none;
    border-right: 1px solid #ccc;
}
.guide-links>a:nth-child(5) {
    border:0px
}
.guide-links li {
    width:240px;
    height: 320px;
    overflow: hidden
}
.guide-links li img {
    width: 39.5px;
    height: 39.5px;
    display: block;
    margin:115px auto 0
}
.guide-links li p {
    text-align: center;
    font-size: 20px;
    color:#000;
    margin-top: 15px
}
.guide-forter {
    width: 1200px;
    margin:0 auto;
    margin-top: 95px
}
.guide-forter>a {
    display: block
}
.guide-forter p {
    text-align: center;
    padding: 3px 0px
}
.guide-forter p a {
    color:#6D7278;
    font-size: 16px;
}
.guide-forter div {
    width: 150px;
    height: 50px;
    margin: 0 auto;
    line-height: 50px;
    text-align: center;
}
.guide-forter img {
    height: auto;
    width: auto;
    max-width: 150px;
    max-height: 50px;
}
.guide-links li .selected {
    display: none
}
.guide-links li.li-selected {
    background: #155FFA;
}
.guide-links li.li-selected .no-select {
    display: none
}
.guide-links li.li-selected .selected {
    display: block
}
.guide-links li.li-selected p {
    color: #fff
}