* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: "思源黑体 CN";
}
.promotion{
    min-width: 1440px;
}

.promotion .banner{
    display: flex;
    justify-content: center;
    height: 220px;
}

.promotion .banner .line{
    flex: 1;
}

.promotion .banner .bg{
    display: block;
    height: 220px;
    flex: 0;
}

.promotion .bg-box{
    width: 100%;
    background: linear-gradient(to bottom,#fcc6b3,#fe6248);  
}

.promotion .bg-box .bg-box-inner{
    width: 1000px;
    margin: auto;
    padding: 30px 0 90px;
}

.promotion .bg-box .bg-box-inner .inner-img{
    display: block;
    width: 100%;
    margin-bottom: 30px;
}

.promotion .bg-box .bg-box-inner .tips-box{
    background-color: #fff;
    border-radius: 26px;
    border: 1px solid #fe885a;
    padding: 0 20px 60px;
}

.promotion .bg-box .bg-box-inner .tips-box .rule-img{
    display: block;
    width: 380px;
    margin: auto;
    transform: translateY(-1px);
}

.promotion .bg-box .bg-box-inner .tips-box .tips-item{
    margin-bottom: 40px;
}
.promotion .bg-box .bg-box-inner .tips-box h3{
    color: #f74722;
    font-size: 24px;
    transform: translateX(-15px);
    margin: 10px 0;
}

.promotion .bg-box .bg-box-inner .tips-box h4{
    color: #000;
    font-size: 18px;
    font-weight: normal;
}

.promotion .bg-box .bg-box-inner .tips-box p {
    color: #000;
    font-size: 16px;
}

footer {
    margin-top: 0;
}