.tab {
    width: 1024px;
    height: 3rem;
    line-height: 3rem;
    margin: 0 auto;
    position: relative;
}

.bg1 .name {
    display: inline-block;
    font-size: 1.1875rem;
    float: left;
    margin-left: 30px;
}

.bg1 .param1 {
    display: inline-block;
    border: none;
    background: none;
    float: right;
    margin-right: 160px;
}

.com_info {
    display: inline;
    border: none;
    background: none;
    margin-left: 595px;
    /*border-right: 1px solid #dfdfdf;*/
    padding-right: 1rem;
}

.line {
    height: 1rem;
    color: #dfdfdf;
    /*border-right: 1px solid #dfdfdf;*/
}

.com_info:hover,
.param1:hover {
    cursor: pointer;
    color: #1daffa;
}

.active {
    color: #1daffa;
}

.bg1 .buy {
    text-align: center;
    display: inline-block;
    width: 6rem;
    height: 2rem;
    line-height: 2rem;
    border-radius: 0.125rem;
    font-size: 0.875rem;
    color: #fff;
    background-color: #3db1fa;
    vertical-align: middle;
    border: none;
    position: absolute;
    top: 50%;
    margin-top: -1rem;
    right: 30px;
}

.info1 {
    /* background: url(https://cdn2.picooc.com/web/res/www/ch/new/gun/base/1.jpg) no-repeat center center;
    background-size: cover; */
    height: 0;
    overflow: hidden;
    margin-bottom: 68px;
    padding-bottom: calc(100% / 2.77);
    position: relative;
    transform: scale(1);
    overflow: hidden;
    /* animation: 2s cubic-bezier(0.445, 0.05, 0.55, 0.95) 0.1s 1 normal forwards running scale_1; */
}

.info1 img {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    transform: scale(1.3);
    -webkit-transform: scale(1.3);
    top: 0;
}

.info1 .text-content {
    position: absolute;
    left: 50%;
    top: 10%;
    transform: translateX(-50%);
    color: #fff;
    font-size: 38px;
    text-align: center;
    opacity: 0;
    width: 100%;
    /* animation: 1.5s cubic-bezier(0.445, 0.05, 0.55, 0.95) 1.4s 1 normal forwards running opac_1; */
}

.info1 .device-img {
    position: absolute;
    left: 50%;
    bottom: -60px;
    transform: translateX(-50%);
    width: 40%;
}

.info2 {
    width: 100%;
    /* overflow: hidden; */
    position: relative;
    background: url(https://cdn2.picooc.com/web/res/www/ch/new/gun/base/2.jpg) no-repeat center center;
    background-size: cover;
    /* height: 410px; */
    /* margin-bottom:68px;
    margin-top: 100px; */
    padding-bottom: calc(100% / 3.21);
}


.info2 .title {
    font-size: 38px;
    text-align: center;
    font-weight: 500;
    margin-bottom: 0;
    position: absolute;
    top: 0px;
    /* left:50%; */
    /* transform: translateX(-50%); */
    opacity: 0;
    width: 100%;
    text-align: center;
    /* animation: 2s ease 0s 1 normal forwards running opac_1; */
}

.info3 {
    position: relative;
    background: url(https://cdn2.picooc.com/web/res/www/ch/new/gun/base/3-1.jpg?v=1) no-repeat center center;
    background-size: cover;
    /* height: 425px; */
    padding-bottom: calc(100% / 3);
}

.info3 .text-content {
    position: absolute;
    left: 24%;
    top: 50%;
    color: rgb(51, 51, 51);
    transform: translateY(-50%);
}



.info3 .p1 {
    font-size: 38px;
    margin-bottom: 16px;
    font-weight: 500;
    opacity: 0;
}

.info3 .p2 {
    font-size: 14px;
    margin-bottom: 40px;
    opacity: 0;
}

.info3 .des {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    list-style: none;
}

.info3 .line {
    height: 60px;
    width: 1px;
    background: rgb(153, 153, 153);
    margin: 0 68px;
    opacity: 0;
}

.info3 .des1 {
    text-align: center;
    /* animation: 0.6s ease 0.2s 1 normal forwards running x_15; */
    opacity: 0;
}

.info3 .des1 p:nth-child(1) {
    font-size: 20px;
    color: rgb(85, 85, 85);
}

.info3 .des1 p:nth-child(2) {
    font-size: 14px;
    color: rgb(51, 51, 51);
    font-weight: 500;
}

.info4 {
    position: relative;
    background: url(https://cdn2.picooc.com/web/res/www/ch/new/gun/base/4.jpg) no-repeat center center;
    background-size: cover;
    /* height: 450px; */
    padding-bottom: calc(100% / 3);
}

.info4 img {
    width: 100%;
    position: absolute;
    left: 48%;
    bottom: -50px;
    width: 474px;
}

.info5 img {
    width: 100%;
}

.info6 img {
    width: 100%;
}

.info7 img {
    width: 100%;
}

.info4 .text-content {
    position: absolute;
    left: 56%;
    top: 45%;
    color: #fff;
    /* transform: translateY(-50%); */
    /* animation: 0.6s ease 0.2s 1 normal forwards running x_15; */
    opacity: 0;
    /* text-align: center; */

}

.info4 .text-content p:nth-child(1) {
    font-size: 38px;
    margin-bottom: 16px;
    /* width: 100%; */
}

.info4 .text-content p:nth-child(2) {
    font-size: 14px;
    /* width: 100%; */
}

.info5 {
    position: relative;
    background: url(https://cdn2.picooc.com/web/res/www/ch/new/gun/base/5.jpg) no-repeat center center;
    background-size: cover;
    /* height: 560px; */
    padding-bottom: calc(100% / 2.28);
}

.info5 .text-content {
    position: absolute;
    left: 20%;
    top: 22%;
    color: rgb(51, 51, 51);
    opacity: 0;
}

.info5 .text-content p:nth-child(1) {
    font-size: 38px;
    /* margin-bottom: 20px; */
}

.info5 .text-content p:nth-child(2) {
    font-size: 14px;
}

.info5 .des {
    font-size: 14px;
    color: rgb(81, 81, 81);
    text-align: center;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 20px;
}

.info6 {
    position: relative;
    background: url(https://cdn2.picooc.com/web/res/www/ph/images/gun/6.jpg) no-repeat center center;
    background-size: cover;
    /* height: 800px; */
    padding-bottom: calc(100% / 1.6);
    /* margin-top: 50px; */
    /* margin: 40px 0;
    margin-top: 160px; */
}

.info6 .text-content {
    color: #fff;
    text-align: center;
    position: absolute;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    width: 100%;
}

.info6 .text-content p:nth-child(1) {
    font-size: 38px;
    color: rgb(51, 51, 51);
    font-weight: 500;
}

.info6 .text-content p:nth-child(2) {
    font-size: 14px;
    color: rgb(51, 51, 51);
}

.info7 {
    position: relative;
    background: url(https://cdn2.picooc.com/web/res/www/ch/new/gun/base/7.jpg) no-repeat center center;
    background-size: cover;
    /* height: 410px; */
    padding-bottom: calc(100% / 3.125);

}

.info7 .text-content {
    position: absolute;
    left: 16%;
    top: 50%;
    color: #fff;
    transform: translateY(-50%);

}

.info7 .title {
    font-size: 38px;
    font-weight: 500;
    opacity: 0;
    margin-bottom: 40px;
}

.info7 .des {
    display: flex;
    justify-content: flex-start;
    opacity: 0;
}

.info7 .des div {
    margin-right: 20px;
}

.info7 .des p {
    line-height: 24px;
    font-size: 14px;
}

.info8 {
    position: relative;
    background-color: rgb(245, 245, 245);
    display: flex;
    /* justify-content: center; */
    padding: 40px 0;
}

.info8 .content {
    position: relative;
    left: 16%;
    /* transform: translateX(-50%); */
    font-size: 0.75rem;
    line-height: 24px;
    color: rgb(153, 153, 153);

}

@keyframes opac_1 {
    0% {
        opacity: 0
    }

    100% {
        opacity: 1
    }
}

@-webkit-keyframes opac_1 {
    0% {
        opacity: 0
    }

    100% {
        opacity: 1
    }
}

@keyframes opac_0 {
    0% {
        opacity: 1
    }

    100% {
        opacity: 0
    }
}

@-webkit-keyframes opac_0 {
    0% {
        opacity: 1
    }

    100% {
        opacity: 0
    }
}

@keyframes scale_1 {
    0% {
        transform: translate3d(0, 0, 0) scale(1.3) rotate(0.0001deg)
    }

    99.99% {
        transform: translate3d(0, 0, 0) scale(1) rotate(0.0001deg)
    }

    100% {
        transform: translate3d(0, 0, 0) scale(1) rotate(0)
    }
}

@-webkit-keyframes scale_1 {
    0% {
        -webkit-transform: translate3d(0, 0, 0) scale(1.3) rotate(0.0001deg)
    }

    99.99% {
        -webkit-transform: translate3d(0, 0, 0) scale(1) rotate(0.0001deg)
    }

    100% {
        -webkit-transform: translate3d(0, 0, 0) scale(1) rotate(0)
    }
}

@keyframes x_15 {
    0% {
        opacity: 0;
        transform: translate3d(15px, 0, 0) rotate(0.0001deg)
    }

    99.99% {
        opacity: 1;
        transform: translate3d(0, 0, 0) rotate(0.0001deg)
    }

    100% {
        opacity: 1;
        transform: translate3d(0, 0, 0) rotate(0)
    }
}

@-webkit-keyframes x_15 {
    0% {
        opacity: 0;
        -webkit-transform: translate3d(15px, 0, 0) rotate(0.0001deg)
    }

    99.99% {
        opacity: 1;
        -webkit-transform: translate3d(0, 0, 0) rotate(0.0001deg)
    }

    100% {
        opacity: 1;
        -webkit-transform: translate3d(0, 0, 0) rotate(0)
    }
}

@keyframes y_30 {
    0% {
        opacity: 0;
        transform: translate3d(0, 60px, 0) rotate(0.0001deg)
    }

    99.99% {
        opacity: 1;
        transform: translate3d(0, 0, 0) rotate(0.0001deg)
    }

    100% {
        opacity: 1;
        transform: translate3d(0, 0, 0) rotate(0)
    }
}

@-webkit-keyframes y_30 {
    0% {
        opacity: 0;
        -webkit-transform: translate3d(0, 60px, 0) rotate(0.0001deg)
    }

    99.99% {
        opacity: 1;
        -webkit-transform: translate3d(0, 0, 0) rotate(0.0001deg)
    }

    100% {
        opacity: 1;
        -webkit-transform: translate3d(0, 0, 0) rotate(0)
    }
}

@media screen and (max-width: 1300px) {
    .info3 .text-content {
        left: 12%;
    }

    .info5 .text-content {
        left: 6%;
        top: 15%;
    }
}