html, body {
    margin: 0;
    padding: 0;
    background-color: #000;
}
.header {
    padding: 2vw 10%;
    background-color: rgba(0, 0, 0, 0);
    width: 100%;
    position: fixed;
    top: 0;left: 0;
    z-index: 99;
}
.header-scroll {
    background-color: rgba(0, 0, 0, 0.7);
}
.banner-bg {
    width: 100%;
    position: absolute;
    overflow: hidden;
    top: 0;bottom: 0;
    left: 0;right: 0;
}
.banner-content-box {
    padding-bottom: 50%;
}
.banner-content {
    width: 100%;
    position: absolute;
    height: 100%;
}
.banner-content-title {
    margin-top: 20vw;
    margin-left: 10%;
    font-size: 80px;
    line-height: 99px;
    color: #fff;
    font-weight: bold;
    overflow: hidden;
}
.banner-content-desc {
    margin-top: 1.5vw;
    margin-left: 10%;
    font-size: 40px;
    line-height: 60px;
    color: #fff;
}

.content-box {
    min-height: 100%;
    display: flex;
    position: relative;
    width: 100%;
    background-image: url('../resource/ABUIABADGAAgvp7amQYo4MfuLzCADzicCQ.gif.webp');
    background-size: 100% 100%;
    padding-top: 10vw;
    padding-bottom: 10vw;
}
.content-image {
    width: 58%;
    margin-top: 5vw;
    margin-left: 10%;
    font-size: 40px;
    color: #fff;
}
.content-desc {
    width: 42%;
    position: relative;
}
.content-desc-item {
    font-size: 28px;
    color: #fff;
}
.content-desc .item1 {
    margin-left: 20%;
}
.content-desc .item2 {
    margin-left: 40%;
    margin-top: 4vw;
}
.content-desc .item3 {
    margin-left: 50%;
    margin-top: 4vw;
}
.content-desc .item4 {
    margin-left: 40%;
    margin-top: 4vw;
}
.content-desc .item5 {
    margin-left: 20%;
    margin-top: 4vw;
}

.service-box .service-title {
    color: #fff;
    text-align: center;
    padding-top: 6vw;
    padding-bottom: 3vw;
}
.service-box .service-title p:first-child {
    font-size: 60px;
    height: 90px;
    line-height: 90px;
}
.service-box .service-title p:last-child {
    font-size: 108px;
    height: 160px;
    line-height: 160px;
    font-weight: bold;
}
.service-content {
    display: flex;
}
.service-item {
    flex: 1;
    position: relative;
    cursor: pointer;
}
.service-item img {
    width: 100%;
}
.service-item .mask {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;left: 0;
    background-color: rgba(0, 0, 0, 0.2);
}
.service-item .mask:hover {
    opacity: 0;
}

.industry-box {
    background-image: url('../resource/ABUIABACGAAgw6azmgYo7KrC2AEwgB448BA.jpg.webp');
    background-size: 100% 100%;
    padding-top: 3.5vw;
    padding-bottom: 7.5vw;
    min-height: 800px;
}
.industry-title {
    margin-top: 10vw;
    text-align: center;
    font-size: 108px;
    color: #fff;
    font-weight: bold;
}
.industry-desc {
    margin: 2vw 20% 0;
    text-align: center;
    font-size: 18px;
    color: #fff;
}

.about-box {
    background-image: url('../resource/ABUIABACGAAgvP2xmAYo9NvqvwQwgA849Ak.jpg.webp');
    background-size: 100% auto;
    padding-top: 15vw;
    padding-bottom: 6vw;
}
.about-box .about-image {
    margin-left: 10%;
    display: inline-block;
    text-align: center;
}
.about-box .about-info {
    margin: 2vw 10% 0;
    text-align: left;
    font-size: 18px;
    color: #fff;
}

.footer-box {
    padding: 5vw 10%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer-box .footer-info {
    max-width: 900px;
    font-size: 16px;
    color: #fff;
}
.footer-box .logo {
    text-align: right;
    color: rgba(255, 255, 255, 0.5);
}
.footer-box .logo p {
    font-size: 16px;
    margin-top: 10px;
}

.animate {
    transform: translateY(1000px);
    overflow: hidden;
}
.slide-in {
    animation-name: slidein;
    animation-duration: 600ms;
    animation-iteration-count: 1;
    animation-fill-mode: forwards;
}
@keyframes slidein {
    0% {
        transform: translateY(200px);
    }
    100% {
        transform: translateY(0);
    }
}