/* 重置默认样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    width: 100%;
    line-height: 1.5;
    background-color: #fff;
    margin: 0 auto;
}

/* 设置固定宽度容器 */
.container {
    width: 1480px;
    margin: 0 auto;
    position: relative;
}

/* 清除浮动 */
.clearfix::after {
    content: '';
    display: block;
    clear: both;
    visibility: hidden;
    height: 0;
}

/* 通用链接样式 */
a {
    text-decoration: none;
    color: inherit;
}

/* 通用列表样式 */
ul, ol {
    list-style: none;
}


.nav {
    padding-top: 20px;
}

.nav ul {
    width: 60%;
    margin-left: 20%;
    display: flex;
    justify-content: space-around;
}

.nav a.header-selected {
    color: #f18484;
}

.nav a {
    color: #fff;
    font-size: 20px;
    padding: 5px 10px;
    transition: color 0.3s;
}

.nav a:hover {
    color: #f18484;
}

.main {
    width: 80%;
    min-width: 1480px;
    margin: 0 auto;
    justify-content: center;
}

.title {
    color: #5b3c41;
    text-decoration: underline;
    text-decoration-color: #f18484;
    text-decoration-style: double;
    text-align: center;
    font-size: 33px;
    margin-top: 20px;
}

.sub-title {
    font-size: 22px;
    color: #5b3c41;
    text-decoration: underline;
    text-decoration-color: #f18484;
    text-align: center;
    margin-top: 20px;
    margin-bottom: 20px;
}

footer {
    min-width: 1480px;
    height: 100px;
    margin-top: 20px;
    text-align: center;
    border-top: rgba(241, 132, 132, 0.2) 1px solid;
}

footer img {
    height: 60px;
}

.footer-info {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100px;
}

.footer-info p {
    margin-left: 40px;
    font-weight: 100;
    font-size: 13px;
}