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

body {
    color: #0c0c0d;
    font-family: 'LXGW WenKai Screen',
    sans-serif;
}

i {
    font-style: normal;
}

a {
    text-decoration: none;
    color: #0c0c0d;
}

a:hover {
    color: #00dd83;
}

ul li {
    list-style: none;
}

.w {
    width: 700px;
    margin: 0 auto;
}

/* 导航栏 */
.nav {
    height: 60px;
    border: 1px solid #ccc;
    margin-top: 32px;
    border-radius: 10px;
    padding: 10px 10px;
}

.nav ul li {
    float: left;
    width: 40px;
    height: 40px;
    line-height: 40px;
    margin-right: 87px;
    background-color: #f9fafb;
    border-radius: 8px;
    text-align: center;
}

.nav ul li:hover .size {
    font-weight: 700;
}

.nav ul li:last-child {
    background: url(../images/晴_border.png) no-repeat center/30px;
    margin-right: 0;
    cursor: pointer;
}

.nav ul li:last-child:hover {
    background: url(../images/月亮.png) no-repeat center/26px;
}

.nav .size {
    font-size: 26px;
    color: #0c0c0d;
}

/* 主体部分 */
.subhead {
    height: 70px;
    margin-top: 45px;
}

.subhead h2 {
    float: left;
    height: 100%;
    line-height: 70px;
    font-size: 28px;
    font-weight: normal;
}

.icon_box {
    float: right;
    height: 100%;
    line-height: 70px;
}

.subhead .size {
    font-size: 32px;
}

.content {
    border: 1px solid #ccc;
    border-radius: 10px;
    padding: 22px 14px;
}

.content ul li {
    height: 40px;
}

.content ul li a:hover {
    font-weight: 700;
}

/* 底部footer */
.footer {
    padding-top: 12px;
    text-align: center;
}

.footer p {
    margin-top: 12px;
}

.footer a:hover {
    text-decoration: underline;
}