.bann {
    width: 1400px;
    position: relative;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    margin-top: 30px;
}

.bann-product {
    width: 1430px;
}

.bann-product a {
    color: #000;
    padding: 0;
}

.in-product {
    width: 446px;
    height: 446px;
    float: left;
    position: relative;
    padding-bottom: 60px;
}

.pro-top {
    margin-top: 30px;
}

.pro-right {
    margin-right: 30px;
}

.pro-bot {
    margin-bottom: 30px;
}

.product-img {
    width: 446px;
    height: 360px;
    float: left;
    overflow: hidden;
}

.product-img img {
    width: 446px;
    height: 360px;
    margin: 0;
    float: left;
    transition: all .5s ease .1s;
}

.product-demo {
    width: 100%;
    height: 85px;
    float: left;
    background-color: #fff;
}

.in-product:hover .product-demo {
    color: #fff;
    background-color: #1287d5;
}

.in-product:hover img {
    transform: scale(1.1);
}

.bann-page {
    width: 1400px;
    margin-top: 18px;
    height: 60px;
}

.paging {
    width: 300px;
    height: 60px;
    margin: auto;
}

.page {
    width: 40px;
    height: 40px;
    border: #cdcdcd 1px solid;
    float: left;
    text-align: center;
    line-height: 40px;
    margin: 10px 16px 10px 16px;
}

.page:hover {
    background-color: #1287d5;
}

.download-btn {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 10px;
    padding: 10px 25px;
    background-color: #409EFF;
    color: white;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.download-btn:hover {
    background-color: #337ecc;
    transform: translate(-50%, -2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.download-btn::after {
    content: '→';
    margin-left: 8px;
    transition: margin 0.3s ease;
}

.download-btn:hover::after {
    margin-left: 12px;
}