body {
    background-color: #f5f5f5;
}

.w {
    width: 80%;
    margin: 0 auto;
}

/* 导航开始 */

.nav {
    height: 56px;
    background-color: #fff;
    box-shadow: 0px 2px 8px #eee;
}

.nav a {
    line-height: 56px;
    padding-left: 24px;
}

.nav button {
    float: right;
    width: 180px;
    height: 56px;
    background-color: #FF5C00;
    color: #fff;
    font-size: 18px;
    line-height: 54px;
    font-weight: 700;
}

.nav button::before {
    content: url(../images/computer.png);
    position: relative;
    top: 10px;
    right: 4px;
}

/* 导航结束 */

/* banner开始 */
.banner {
    height: 420px;
    background: url(../images/shoppingMall/bg-7.png) no-repeat;
}

.content {
    position: relative;
}

.banner .img {
    position: absolute;
    top: 0px;
    right: 0px;
    width: 598px;
    height: 380px;
    background: url(../images/shoppingMall/banner-7.png);
}

.banner button {
    position: relative;
    top: 72px;
    width: 165px;
    height: 48px;
    background-color: #FF5C00;
    font-size: 14px;
    color: #fff;
    text-align: center;
    line-height: 48px;
}

.banner h1 {
    position: relative;
    top: 48px;
    font-weight: 700;
    font-size: 40px;
    line-height: 76px;
    letter-spacing: 0.08em;
    color: #595959;
}

.banner h2 {
    position: relative;
    top: 40px;
    font-weight: 700;
    font-size: 32px;
    line-height: 61px;
    letter-spacing: 0.08em;
    color: #595959;
}

/* banner结束 */
/* 功能介绍开始 */
.function {
    position: relative;
    top: -40px;
    background-color: #fff;
    height: 180px;
    border-radius: 8px;
    box-shadow: 0px 4px 16px rgb(0, 0, 0, 0.04)
}

.function ul li {
    float: left;
    margin-right: 60px;
    width: 25%;
    margin: 0 auto;
    text-align: center;
}

.function ul li h3 {
    margin-top: 8px;
    font-weight: 700;
    font-size: 14px;
    line-height: 24px;
    color: #595959;
}

.function ul li h4 {
    margin-top: 8px;
    margin: 0 auto;
    font-weight: 400;
    font-size: 12px;
    line-height: 20px;
    width: 160px;
    color: #8C8C8C;
}

.function ul li .icon {
    margin-top: 24px;
}


/* 功能介绍结束 */
/* 合作品牌开始 */
.title {
    position: relative;
}

.dot {
    position: absolute;
    top: 24px;
    width: 20px;
    height: 20px;
    border: #FF5C00 solid 4px;
    border-radius: 10px;
}

.title h4 {
    position: absolute;
    left: 28px;
    color: #8C8C8C;
}

.title h2 {
    position: absolute;
    left: 28px;
    top: 20px;
}

.title .line {
    position: absolute;
    right: 0;
    top: 33px;
    width: 90%;
    height: 1px;
    background-color: #D9D9D9;
}

.brand ul {
    margin-top: 64px;
}

.brand ul li {
    float: left;
    margin-right: 2%;
    width: 18.4%;
    height: 80px;
    border: #D9D9D9 solid 1px;
    text-align: center;
}

.brand ul li img {
    width: 60px;
    height: 40px;
    margin-top: 20px;
}

.brand ul li:last-child {
    margin-right: 0;
}
.boxs {
    height: 210px;
}
/* 合作品牌结束 */
/* footer开始 */
.footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    height: 80px;
    background: #FFFFFF;
    box-shadow: 0px -2px 8px rgba(0, 0, 0, 0.05);
    text-align: center;
}

.footer ul {
    display: inline-block;
    margin-top: 12px;
}

.footer ul li {
    float: left;
    margin-right: 8px;
}

/* footer结束 */