#section1 {
    scroll-margin-top: 50px; /* 添加一些额外的滚动空间 */
}
.index-banner {
    width: 100%;
    height: 800px;
    background-image: url("../assets/images/banner_aboutus@2x.png");
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
.index-banner-c {
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: start;
    justify-content: center;
}
.index-banner-c-a {
    font-weight: bold;
    font-size: 60px;
    color: #191B1F;
    margin-bottom: 12px;
}
.index-banner-c-b {
    font-weight: 400;
    font-size: 16px;
    color: #191B1F;
    margin-bottom: 50px;
}
.index-banner-c-c {
    width: 124px;
    height: 46px;
    padding: 0 19px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #FF7900;
    box-shadow: 0 2px 10px 0 rgba(255,121,0,0.2);
    border-radius: 30px;
    cursor: pointer;
}
.index-banner-c-c span {
    font-weight: 500;
    font-size: 16px;
    color: #FFFFFF;
    margin-right: 5px;
}
.index-banner-c-c img {
    width: 16px;
    height: 16px;
}
.index-y {
    width: 1200px;
    margin: 0 auto;
    padding: 60px 0;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.title {
    font-weight: 600;
    font-size: 32px;
    color: #191B1F;
}
.info {
    width: 1124px;
    text-align: center;
    font-weight: 400;
    font-size: 16px;
    color: #7B7F87;
    margin-top: 18px;
}
.index-y-c {
    width: 100%;
    height: 470px;
    display: flex;
    align-items: center;
    margin-top: 40px;
    background: rgba(255,121,0,0.14);
}
.index-y-c-img {
    flex-shrink: 0;
    width: 622px;
    height: 100%;
}
.index-y-c-img img {
    width: 100%;
    height: 100%;
}
.index-y-c-info {
    flex: 1;
    height: 100%;
    padding: 40px;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    position: relative;
}
.logo {
    width: 160px;
    height: 60px;
    margin-bottom: 27px;
}
.icon {
    position: absolute;
    right: 40px;
    bottom: 30px;
    width: 37px;
    height: 9px;
}
.index-y-c-info span {
    font-weight: 400;
    font-size: 15px;
    color: #191B1F;
}
.index-y-l {
    width: 100%;
    margin-top: 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.index-y-l-item {
    width: 383px;
    height: 130px;
    padding: 0 30px;
    box-sizing: border-box;
    background: #FFFFFF;
    box-shadow: 0 4px 14px 0 rgba(255,121,0,0.14);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.index-y-l-item img {
    flex-shrink: 0;
    width: 74px;
    height: 74px;
    margin-right: 19px;
}
.index-y-l-item span {
    flex: 1;
    font-weight: 400;
    font-size: 14px;
    color: #191B1F;
}
.index-y-img {
    width: 100%;
    height: 1127px;
    margin-top: 50px;
}
.index-y-img img {
    width: 100%;
    height: 100%;
}
.index-y-from {
    width: 799px;
    margin-top: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}
.from-item {
    width: 100%;
    height: 42px;
    display: flex;
    margin-bottom: 24px;
    align-items: center;
}
.from-item:last-child {
    margin: 0 !important;
}
.from-item-label {
    width: 100px;
    flex-shrink: 0;
    font-weight: 500;
    font-size: 16px;
    color: #222222;
    margin-right: 10px;
}
.from-item-label b {
    font-size: 16px;
    color: red;
}
.from-item-val {
    flex: 1;
    height: 100%;
}
.from-item-val input {
    width: 100%;
    height: 100%;
    padding: 0 20px;
    outline: none;
    box-sizing: border-box;
    border: 1px solid #D8D8D8;
}
.index-y-btn {
    width: 124px;
    height: 46px;
    line-height: 46px;
    text-align: center;
    font-weight: 500;
    font-size: 16px;
    color: #FFFFFF;
    background: #FF7900;
    border-radius: 30px;
    margin-top: 40px;
    cursor: pointer;
}