/* 版心 */
.container {
    width: 1200px;
    margin: 0 auto;
}

html {
    scroll-behavior: smooth;
}

/* 回到顶部 */
.zzl-top {
    position: fixed;
    right: 20px;
    top: 450px;
    width: 80px;
    height: 80px;
    line-height: 80px;
    background-color: royalblue;
    color: #fff;
    text-align: center;
    border-radius: 50%;
    cursor: pointer;
    z-index: 1;
}

/* 顶部导航栏 */
.zzl-header {
    height: 50px;
    line-height: 50px;
    background-color: royalblue;
}

.zzl-header-nav {
    display: flex;
    justify-content: space-around;
}

.zzl-header-nav li a {
    color: #fff;
}

.zzl-header-nav li:hover a {
    color: red;
}

/* 轮播图 */
.zzl-banner {
    width: 1200px;
    height: 750px;
    margin: 30px auto;
    overflow: hidden;
    position: relative;
}

.zzl-banner img {
    width: 100%;
    height: 100%;
    position: absolute;
    opacity: 0;
    transition: all 0.5s;
}

.zzl-banner img.active {
    opacity: 1;
}

.zzl-banner .zzl-dot {
    position: absolute;
    right: 20px;
    bottom: 20px;
    display: flex;
}

.zzl-banner .zzl-dot span {
    display: block;
    height: 20px;
    width: 20px;
    background-color: #fff;
    margin: 0 10px;
    border-radius: 50%;
    opacity: 0.3;
    cursor: pointer;
}

.zzl-banner .zzl-dot span.active {
    opacity: 1;
}

.zzl-banner .zzl-arrow span {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    font-size: 60px;
    color: #fff;
}

.zzl-banner .zzl-arrow .zzl-left {
    left: 10px;
}

.zzl-banner .zzl-arrow .zzl-right {
    right: 10px;
}

/* 班级技能 */
.zzl-skill {
    height: 400px;
}

.zzl-skill-title {
    margin-top: 40px;
    text-align: center;
}

.zzl-skill-tab {
    text-align: center;
    width: 150px;
}

.zzl-skill-tab span {
    display: block;
    cursor: pointer;
    height: 30px;
    line-height: 30px;
    background-color: royalblue;
    color: #fff;
}

.zzl-skill-box {
    background-color: royalblue;
    display: none;
    z-index: 1;
    position: absolute;
}

.zzl-skill-box li {
    height: 30px;
    line-height: 30px;
    width: 150px;
}

.zzl-skill-box li a {
    color: #fff;
}

.zzl-skill-box li:hover a {
    color: red;
}

.zzl-skill-box li a.active {
    color: red;
}

.zzl-skill-tab:hover .zzl-skill-box {
    display: block;
}

.zzl-main-content {
    display: flex;
    justify-content: space-between;
}

.zzl-main-img img {
    width: 400px;
    height: 300px;
}

.zzl-main-box {
    width: 770px;
    height: 300px;
    background-color: #f5f5f5;
    padding: 0 20px;
}

.zzl-main-box p {
    font-size: 14px;
    margin-top: 20px;
}



.zzl-skill-main {
    display: none;
}

.zzl-skill-main.active {
    display: block;
}


/* 班级成员 */
.zzl-member-title {
    margin-top: 40px;
    text-align: center;
}

.zzl-member-top {
    display: flex;
    justify-content: space-between;
    position: relative;
}





/* 待修改 */
.zzl-member-img .zzl-box1 {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    cursor: pointer;
    background-color: skyblue;
    display: none;
}



.zzl-member-img .zzl-box1.active {
    display: block;
}

.zzl-member-box {
    width: 960px;
    background-color: #f5f5f5;
    margin-top: 30px;
    display: none;
}

.zzl-member-box.active {
    display: block;
}

.zzl-member-box span {
    display: block;
    height: 50px;
    line-height: 50px;
    margin-left: 20px;
}

.zzl-member-content {
    width: 1200px;
    height: 400px;
    background-color: #fbfbfb;
    position: absolute;
    overflow-y: auto;
    display: none;
    z-index: 2;
}

.zzl-content-box li {
    cursor: pointer;
}

.zzl-content-box .zzl-box-img img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background-color: skyblue;
}

.zzl-content-box .zzl-box-img {
    display: flex;
    justify-content: center;
}

.zzl-content-title {
    display: block;
    font-size: 25px;
    margin: 20px 60px;
}

.zzl-content-box {
    display: flex;
    justify-content: space-between;
}

.zzl-content-box li {
    width: 240px;
    height: 280px;
    text-align: center;
    margin-bottom: 20px;
}

.zzl-content-box li span {
    display: block;
    height: 30px;
    line-height: 30px;
}

.zzl-member-img:hover .zzl-member-content {
    display: block;
}
.lt-bx {
    width: 1200px;
    height: 100px;
    background-color: red;
    margin: 0 auto;
    margin-top: 40px;

}
.lt-bx h2 {
    cursor: pointer;
    text-align: center;
    margin-top: 10px;
    line-height: 100px;
    font-size: 80px;
    color: rgb(255, 255, 21);
    
}
.lt-a {
    background-color: red;
    
}