* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

a {
    text-decoration: none;
}

li {
    list-style: none;
}

.container {
    width: 1200px;
    margin: auto;
}

.header .list {
    display: flex;
}

.header .list .left {
    flex: 2;
}

.header .list .left img {
    height: 100px;
}

.header .list .right {
    flex: 8;
}

.header .list .right ul {
    display: flex;
}

.header .list .right ul li {
    flex: 1;
    padding: 30px;
}

.header .list .right ul li a {
    color: #000;
    font-size: 20px;
}

.apper {
    display: block;
}

.disapper {
    display: none;
}

.banner img {
    width: 100%;
    height: 500px;
}

.main {
    padding-bottom: 60px;
}

.main h1 {
    padding-bottom: 20px;
    padding-top: 20px;
}

.main .content {
    display: flex;
    margin: -20px;
}

.main .content .list {
    width: 33.333333%;
    padding: 20px;
}

.main .content .list img {
    width: 100%;
    height: 500px;
    padding-bottom: 30px;
}

.learning-main {
    padding-top: 20px;
}

.learning-main .img {
    display: flex;
    margin: -10px;
}

.learning-main .img img {
    width: 33.333333%;
    height: 300px;
    padding: 10px;
}

.learning-main #story h1 {
    padding-top: 30px;
    padding-bottom: 30px;
}

.learning-main #story p {
    font-size: 20px;
    padding-bottom: 20px;
}

.footer .container {
    background-color: aqua;
}

.footer p {
    text-align: center;
    padding: 30px;
}