/*菜单*/
.nav ul {
    overflow: hidden;
    margin: 0 0 0 168px;
    font-size: 30px;
    font-weight: 400;
}

.nav li {
    float: left;
    width: 400px;
    height: 89px;
    line-height: 89px;
    text-align: center;
    color: #fff;
    letter-spacing: 5px;
}

/*介绍*/
.introduce {
    width: 1694px;
    margin: 0 auto;
}

.introduce-top {
    width: 100%;
    height: 363px;
    background: url("../img/introduce.png") no-repeat center center;
    background-size: auto 363px;
}

.introduce-top-info {
    padding: 18px 0 0 40px;
    color: #fff;
    font-size: 14px;
    line-height: 24px;
}

.p1 {
    font-size: 28px;
    line-height: 36px;
}

.introduce-bot {
    overflow: hidden;
}

.introduce-bot-l {
    width: 884px;
    float: left;
    color: #e28d31;
    padding: 0 0 0 12px;
}

.introduce-bot-l .p2 {
    line-height: 48px;
    font-size: 30px;
}

.introduce-bot-l .p3 {
    line-height: 36px;
    font-size: 18px;
}

.introduce-bot-l .p4 {
    border: 4px solid #e28d31;
    border-radius: 8px;
    width: 586px;
    height: 146px;
    overflow: hidden;
    padding: 5px;
    font-size: 18px;
    color: #000;
    line-height: 29px;
}

.introduce-bot-l .p5 {
    line-height: 42px;
    font-size: 24px;
}

.introduce-bot-l .p6 {
    font-size: 14px;
    color: #000;
    padding: 0 0 0 66px;
}

.introduce-bot-l .p7 {
    text-align: right;
}

.introduce-bot-r {
    float: left;
    margin: 0 0 0 200px;
}

.introduce-bot-r p {
    font-size: 24px;
    color: #000;
    line-height: 36px;
    margin: 10px 0 0;
}

/*优势亮点*/
.advantage {
    margin: 0 0 0 192px;
    overflow: hidden;
    color: #000;
}

.advantage-l {
    width: 676px;
    float: left;
    margin: 0 204px 0 0;
}

.advantage-l .p1 {
    width: 370px;
    padding: 10px 8px;
    border: 2px solid #000;
    border-radius: 8px;
    font-size: 36px;
    margin: 0 0 8px 0;
}

.advantage .p2 {
    line-height: 36px;
    font-size: 18px;
}

.advantage-l .p3 {
    line-height: 24px;
    font-size: 14px;
}

.advantage-r {
    width: 732px;
    float: left;
}

.advantage-r .p1 {
    width: 144px;
    padding: 10px 8px;
    border: 2px solid #000;
    border-radius: 8px;
    font-size: 36px;
    margin: 0 0 8px 0;
}