.cover {
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}


.pic {
    transition: all 2s;
    -webkit-transition: all 2s;
}

.pic.cover {
    position: absolute;
    z-index: 1;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
}


.pro-xl {
    overflow: hidden;
    position: relative;
}

.pro-xl .main {
    float: right;
    width: 35.7%;
    overflow: hidden;
}

.pro-xl .pro-swiper {
    width: 64.3%;
    position: absolute;
    left: 0;
    height: 100%;
    top: 0;
    overflow: hidden;
}

.pro-xl .main li {
    background: #303030;
    text-align: center;
    color: #fff;
    cursor: pointer;
    border-bottom: 1px solid #000;
    border-top: 1px solid #6e6e6e;
    padding: 6.5% 0;
    position: relative;
}

.pro-xl .main li .txt {
    position: relative;
    z-index: 2;
}

.pro-xl .main li p {
    font-family: arial;
}

.pro-xl .main li .line {
    width: 50px;
    height: 2px;
    background: #fff;
    margin: 5% auto;
    opacity: .6;
}

.pro-xl .main li:after {
    content: "";
    width: 100%;
    height: 100%;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) scale(0);
    background: #0c7a9c;
    transition: all 0.3s;
    -webkit-transition: all 0.3s;
}

.pro-xl .main li.on:after {
    transform: translate(-50%, -50%) scale(1);
}

.pro-swiper .txt {
    position: absolute;
    width: 100%;
    left: 0;
    bottom: 0;
    z-index: 2;
    color: #fff;
}

.pro-swiper .txt .left {
    float: left;
    width: 83.3%;
    padding: 4.7% 5%;
    background: rgba(0, 0, 0, 0.5);
}

.pro-swiper .txt .left p {
    font-size: 12px;
    font-family: simsun;
    opacity: .7;
}

.pro-swiper .txt .left .line {
    width: 10px;
    height: 3px;
    background: #706f6f;
    margin: 3% 0;
}

.pro-swiper .pro-a {
    position: absolute;
    width: 10%;
    height: 20%;
    z-index: 2;
    bottom: 0;
    right: 0;
}

.pro-swiper .txt .right {
    width: 16.7%;
    float: right;
    background: #0c7a9c;
    position: absolute;
    height: 100%;
    right: 0;
    text-align: center;
}

.pro-swiper .txt .right p {
    font-size: 12px;
    font-family: arial;
    margin-top: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.pro-swiper .txt .word {
    position: absolute;
    z-index: 1;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
}


@media screen and (max-width: 1600px) {
    .pro-swiper .txt .left {
        padding: 3.7% 5%;
    }
}

@media screen and (max-width: 1440px) {
   
    .pro-swiper .txt .left {
        padding: 3.4% 5%;
    }
}

@media screen and (max-width: 1366px) {
    .index-pro .pro-list li .txt h2 {
        font-size: 12px;
    }
    
}

@media screen and (max-width: 1200px) {
    
}

@media screen and (max-width: 1024px) {

    .pro-xl .pro-swiper {
        width: 100%;
        position: relative;
    }
    .pro-xl .pro-swiper .swiper-slide .pic-w {
        position: relative;
        overflow: hidden;
        padding-bottom: 100%;
    }
    .pro-swiper .txt .right {
        display: none;
        background: rgba(0, 0, 0, 0.5);
    }
    .pro-xl .main {
        width: 100%;
        float: none;
        display: none;
    }
    .pro-swiper .txt .left {
        width: 100%;
        background: rgba(0, 0, 0, 0.5);
    }
    .pro-swiper .txt .left .line {
        display: none;
    }
    .pro-xl .main li .line {
        margin: 2% auto;
    }
    
}


.z24 {
    font-size: 24px;
}

.z20 {
    font-size: 20px;
}

.z16 {
    font-size: 16px;
}


@media screen and (max-width: 1700px) {
   
    .z24 {
        font-size: 21px;
    }
    .z20 {
        font-size: 17px;
    }
    
    .z16 {
        font-size: 15px;
    }
    
}

@media screen and (max-width: 1500px) {
    .z24 {
        font-size: 18px;
    }
    .z20 {
        font-size: 16px;
    }
    .z16 {
        font-size: 14px;
    }
}

@media screen and (max-width: 1200px) {}

@media screen and (max-width: 1024px) {
    .z20 {
        font-size: 15px;
    }
    .z24 {
        font-size: 16px;
    }
}

@media screen and (max-width: 768px) {
    .z16 {
        font-size: 14px;
    }
}

@media screen and (max-width: 560px) {}

@media screen and (max-width: 420px) {}