.am-banner {
    color: #fff;
    margin: 3.2rem 0;
    width: 60%;
}
.am-banner h1 {
    font-size: 1.8rem;
}
.am-banner p {
    font-size: 1rem;
    line-height: 1.8rem;
    margin: 1.2rem 0;
}
.am-banner a {
    display: inline-block;
    color: #fff;
    text-align: center;
    border: 1px solid #fff;
    font-size: 1rem;
    padding: .6rem 3.2rem;
    border-radius: 1.8rem;
}

.am-cases {
    margin: 3.2rem auto;
    color: #fff;
}
.am-cases .cases-left {width: 45%;float: left; font-size: 1rem; }
.am-cases .cases-left h3 {font-size: 1.6rem; font-weight: 500; margin-bottom: 1.2rem;}
.am-cases .cases-left a {
    display: inline-block;
    color: #fff;
    text-align: center;
    border: 1px solid #fff;
    font-size: 1rem;
    padding: .3rem 1.6rem;
    border-radius: 1.8rem;
    margin-top: .5rem;
}
.am-cases .cases-right {
    width: 50%;
    height: 11.3rem;
    overflow: hidden;
    float: right;
}
.am-cases .cases-right img {
    width: 100%;
    height: auto;
}
.swiper-container {
    position: relative;
    --swiper-theme-color: #dc9803;
    --swiper-pagination-color: #dc9803;/* 两种都可以 */
}
.am-gallery {padding: 0; margin-bottom: 3.2rem;}
.am-gallery li {padding: 0; width: 33.3%;}
.am-gallery-default .am-gallery-title { font-size: 1rem; background-color: #2a2a2a; height: 2.2rem; line-height: 2.2rem; text-align: center; margin-top: 0;color: #fff;}
.am-gallery .am-item-lasts {
    background-color: #dc9803;
    padding: 1.2rem;
    color: #fff;
    font-size: 1.6rem;
}
.am-gallery .am-item-lasts a {
    display: inline-block;
    color: #fff;
    text-align: center;
    border: 1px solid #fff;
    font-size: 1rem;
    padding: .3rem 1.6rem;
    border-radius: 1.8rem;
    margin-top: .2rem;
}

.am-video-title {
    background-color: #dc9803;
    color: #fff;
    font-size: 1.6rem;
    padding: 1.2rem;
}
.am-video-title h3 {
    float: left;
    width: 60%;
    margin-bottom: 2rem;
}
.am-video-title a {
    width: 30%;
    display: block;
    float: right;
    color: #fff;
    text-align: center;
    border: 1px solid #fff;
    font-size: 1rem;
    padding: .3rem 1.6rem;
    border-radius: 1.8rem;
    margin-top: 2rem;
}

.am-about {
    position: relative;
    z-index: 1;
    /* border: 1px solid red; */
    height: 20rem;
    color: #fff;
    font-size: 1rem;
    margin: 3.2rem auto;
}
.about-box1 {
    position: absolute;
    /* border: 1px solid green; */
    font-size: 1.6rem;
    top: 40%;
    left: 0;
    z-index: 99;
    letter-spacing: .2rem;
}
.about-box2 {
    position: absolute;
    background-color: #dc9803;
    width: 40%;
    height: 75%;
    left: 20%;
    z-index: 98;
}
.about-box3 {
    position: absolute;
    background-color: #2a2a2a;
    width: 50%;
    height: 80%;
    right: 0;
    bottom: 0;
    z-index: 90;
    padding-left: 3.4rem;
    font-size: .8rem;
}
.about-box4 {
    position: absolute;
    left: 0;
    bottom: 0;
    z-index: 90;
}
.about-box4 a {
    color: #fff;
    padding: .4rem 2rem;
    border: 1px solid #fff;
    border-radius: 2.4rem;
    display: inline-block;
    margin-top: .4rem;
}
.am-video {
    margin-bottom: 3.2rem;
}