.product {
    background: #F5F7F7;
    height: 1184px;
    padding: 120px 0 0 0;
}

.product-container {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
}

.product-head {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.product-title {
    font-weight: 500;
    font-size: 48px;
    color: #313332;
}

.product-title-en {
    font-weight: 400;
    font-size: 16px;
    color: #B4BBB9;
    text-transform:uppercase;
}

.product-list {
    margin-top: 60px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-gap: 40px;
}

.product-item {
    position: relative;
    height: 382px;
    background: #FFFFFF;
    border-radius: 16px;
    z-index: 0;
    transition: all 0.3s ease;
}

.product-item:hover {
    background-image: url('../images/product/item-bg.png');
    background-size: cover;
}

.product-item:nth-child(1):hover .bg-img {
    content: url('../images/product/tedian1-s.png');
}

.product-item:nth-child(2):hover .bg-img {
    content: url('../images/product/tedian2-s.png');
}

.product-item:nth-child(3):hover .bg-img {
    content: url('../images/product/tedian3-s.png');
}

.product-item:nth-child(4):hover .bg-img {
    content: url('../images/product/tedian4-s.png');
}

.item-bg {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 250px;
    height: 250px;
    z-index: 2;
}

.item-bg img {
    z-index: 3;
}

.product-info {
    margin: 60px 0 0 48px;
    width: 382px;
    display: flex;
    flex-direction: column;
    z-index: 3;
}

.p-attr {
    width: 56px;
    height: 56px;
}

.info-title {
    margin-top: 10px;
    font-weight: 500;
    font-size: 26px;
    color: #313332;
    text-align: left;
}

.info-txt {
    margin-top: 10px;
    font-weight: 400;
    font-size: 16px;
    color: #737877;
    line-height: 28px;
    text-align: left;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 7;
    overflow: hidden;
    text-overflow: ellipsis;
}

.params-container {
    height: 864px;
    background: url('../images/product/params.png');
    background-size: cover;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.params-list {
    max-width: 1440px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-gap: 24px;
}

.params-item {
    height: 136px;
    width: 342px;
    border-bottom: 1px solid #E8E8E8;
    display: flex;
    flex-direction: column;
}

@media screen and (max-width: 1440px) {
    .params-item {
        width: 312px;
    }

    .contact-map img {
        width: 600px;
    }

}

.params-name {
    margin-top: 50px;
    font-weight: 400;
    font-size: 16px;
    color: #B4BBB9;
}

.params-value {
    margin-top: 3px;
    font-weight: 500;
    font-size: 20px;
    color: #313332;
}

.contact-container {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-bottom: 100px;
}

.contact-head {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-title {
    font-weight: 500;
    font-size: 48px;
    color: #313332;
}

.contact-line {
    margin-top: 12px;
    width: 88px;
    height: 6px;
    background: #09BD8A;
}

.contact-title-desc {
    margin-top: 16px;
    font-weight: 400;
    font-size: 20px;
    color: #B4BBB9;
}

.contact-center {
    display: flex;
    margin-top: 60px;
    justify-content: space-between;
}

.contact-detail {
    display: flex;
    flex-direction: column;
}

.contact-com {
    display: flex;
    flex-direction: column;
}

.com-up {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
}

.com-down {
    margin-bottom: 30px;
}

.com-item {
    display: flex;
    min-width: 50%;
}

.com-item-left {
    width: 48px;
    height: 48px;
}

.com-item-right {
    margin-left: 16px;
    display: flex;
    flex-direction: column;
}

.com-title {
    font-weight: 400;
    font-size: 16px;
    color: #BBBBBB;
}

.com-value {
    font-weight: 400;
    font-size: 20px;
    color: #737876;
}

.contact-book {
    margin-left: 2.58%;
}

.contact-book-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 24px;
}

.item-input {
    width: 338px;
    height: 64px;
    background: #F5F7F7;
    /* 移除边框 */
    border: none;
}

.item-input input {
    width: 100%;
    height: 100%;
    background: transparent;
    border: none;
    padding: 0 16px;
    /* 添加内边距使文字不贴边 */
    font-size: 16px;
    outline: none;
    /* 移除聚焦时的轮廓 */
}

.book-area {
    height: 216px;
    background: #F5F7F7;
    /* 移除边框 */
    border: none;
    margin-bottom: 40px;
}

.book-area textarea {
    width: 100%;
    height: 100%;
    background: transparent;
    border: none;
    padding: 16px;
    /* 添加内边距使文字不贴边 */
    font-size: 16px;
    outline: none;
    /* 移除聚焦时的轮廓 */
    resize: none;
    /* 禁止调整大小 */
}

.book-btn {
    width: 700px;
    height: 64px;
    background: #09BD81;
    font-weight: 400;
    font-size: 20px;
    color: #FFFFFF;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    /* 添加指针样式 */
}

.contact-map img {
    width: 700px;
}

.book-box {
    padding: 20px;
    text-align: center;
}

.book-box h3 {
    margin-bottom: 20px;
    color: #333;
}

.book-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 15px;
}

.book-input {
    width: 180px;
    padding: 8px 12px;
    border: 1px solid #dcdfe6;
    border-radius: 4px;
}

.book-img {
    width: 100px;
    height: 36px;
    border: 1px solid #dcdfe6;
    border-radius: 4px;
    cursor: pointer;
}

.captchaError {
    color: #ff5722;
    font-size: 12px;
    height: 20px;
    margin-bottom: 10px;
}

.btn-box {
    display: flex;
    gap: 10px;
    justify-content: center;
}
.btn-box-bt1 {
   padding: 0 20px;
}
.btn-box-bt2 {
   padding: 0 20px; background-color: #409eff;
}