.index-banner {
    overflow: hidden;
}

.index-banner:hover .swiper-button-next,
.index-banner:hover .swiper-button-prev {
    opacity: 1;
}

.index-banner .swiper-button-prev {
    opacity: 0;
    -webkit-transition: opacity .5s;
    -o-transition: opacity .5s;
    -moz-transition: opacity .5s;
    transition: opacity .5s;
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20viewBox%3D'0%200%2027%2044'%3E%3Cpath%20d%3D'M0%2C22L22%2C0l2.1%2C2.1L4.2%2C22l19.9%2C19.9L22%2C44L0%2C22L0%2C22L0%2C22z'%20fill%3D'%23ffffff'%2F%3E%3C%2Fsvg%3E");
}

.index-banner .swiper-button-next {
    opacity: 0;
    -webkit-transition: opacity .5s;
    -o-transition: opacity .5s;
    -moz-transition: opacity .5s;
    transition: opacity .5s;
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20viewBox%3D'0%200%2027%2044'%3E%3Cpath%20d%3D'M27%2C22L27%2C22L5%2C44l-2.1-2.1L22.8%2C22L2.9%2C2.1L5%2C0L27%2C22L27%2C22z'%20fill%3D'%23ffffff'%2F%3E%3C%2Fsvg%3E");
}

.index-banner .swiper-container {
    height: 40vw;
}

.index-banner .swiper-container .swiper-img {
    position: relative;
}

.index-banner .swiper-container .slide-video .swiper-img .container {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.index-banner .swiper-container .swiper-img .container {
    height: 100%;
    position: relative;
}

.index-banner .swiper-container .swiper-img .banner-txt {
    position: absolute;
    top: 35%;
    left: 0;
    right: 0;
    color: #fff;
    text-align: center;
    padding: 0 15px;
}

.index-banner .swiper-container .swiper-img .banner-txt .index-banner .swiper-container .swiper-img .banner-txt1 {
    position: absolute;
    color: #fff;
    top: 40%;
    left: 0;
    right: 0;
    text-align: center;
    width: 100%;
}

.index-banner .swiper-container .swiper-img .banner-txt .txt1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 50px;
    opacity: 0;
    -webkit-transform: translateY(-100%);
    -moz-transform: translateY(-100%);
    -ms-transform: translateY(-100%);
    -o-transform: translateY(-100%);
    transform: translateY(-100%);
    -webkit-transition: opacity 1.5s, -webkit-transform 1.5s;
    transition: opacity 1.5s, -webkit-transform 1.5s;
    -o-transition: opacity 1.5s, -o-transform 1.5s;
    -moz-transition: opacity 1.5s, transform 1.5s, -moz-transform 1.5s;
    transition: opacity 1.5s, transform 1.5s;
    transition: opacity 1.5s, transform 1.5s, -webkit-transform 1.5s, -moz-transform 1.5s, -o-transform 1.5s;
    text-shadow: 3px 4px 2px rgba(0, 0, 0, .175);
}

.index-banner .swiper-container .swiper-img .banner-txt .txt2 {
    font-size: 24px;
    line-height: 40px;
    opacity: 0;
    -webkit-transform: translateY(100%);
    -moz-transform: translateY(100%);
    -ms-transform: translateY(100%);
    -o-transform: translateY(100%);
    transform: translateY(100%);
    text-shadow: 3px 4px 2px rgba(0, 0, 0, .175);
    width: 100%;
    margin: 0 auto;
    -webkit-transition: opacity 3s, -webkit-transform 3s;
    transition: opacity 3s, -webkit-transform 3s;
    -o-transition: opacity 3s, -o-transform 3s;
    -moz-transition: opacity 3s, transform 3s, -moz-transform 3s;
    transition: opacity 3s, transform 3s;
    transition: opacity 3s, transform 3s, -webkit-transform 3s, -moz-transform 3s, -o-transform 3s;
}

.index-banner .swiper-container .swiper-img .banner-txt1 .txt2 {
    width: 100%;
}

.index-banner .swiper-container .swiper-slide-active .banner-txt>div {
    -webkit-transform: none;
    -moz-transform: none;
    -ms-transform: none;
    -o-transform: none;
    transform: none;
    opacity: 1;
}

.index-banner .swiper-container .swiper-slide.on .swiper-img .banner-txt .txt2,
.index-banner .swiper-container .swiper-slide.on .swiper-img .banner-txt .txt1 {
    -webkit-transform: none;
    -moz-transform: none;
    -ms-transform: none;
    -o-transform: none;
    transform: none;
    opacity: 1;
}

.index-banner .swiper-container .swiper-img {
    height: 100%;
}

.index-banner .swiper-container>.container {
    position: absolute;
    top: 0;
    left: 50%;
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    -o-transform: translateX(-50%);
    transform: translateX(-50%);
    height: 100%;
    z-index: 10;
}

.index-banner .swiper-pagination-bullet {
    background: rgba(255, 255, 255, .5);
    opacity: 1;
    width: 40px;
    height: 3px;
    margin: 0 8px;
    border-radius: 0;
}

.index-banner .swiper-pagination-bullets {
    width: auto;
    left: 50%;
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    -o-transform: translateX(-50%);
    transform: translateX(-50%);
    bottom: 48px;
}

.index-banner .swiper-pagination-bullet-active {
    background: #fff;
}

@media(max-width:1440px) {
    .index-banner .swiper-container .swiper-img .banner-txt .txt1 img {
        max-width: 46%;
    }
    .index-banner .swiper-pagination-bullets {
        bottom: 30px;
    }
    .index-banner .swiper-container .swiper-img .banner-txt {
        top: 26%;
    }
    .index-banner .swiper-container .swiper-img .banner-txt .txt1 {
        margin-bottom: 25px;
    }
    .index-banner .swiper-container .swiper-num {
        bottom: 35px;
    }
    .index-banner .swiper-container {
        height: 535px;
    }
}

@media(max-width:1366px) {
    .index-banner .swiper-container {
        height: 510px;
    }
}

@media (max-width:1280px) {
    .index-banner .swiper-container .swiper-img .banner-txt .txt1 {
        font-size: 36px;
    }
    .index-banner .swiper-container .swiper-img .banner-txt .txt2 {
        font-size: 18px;
    }
    .index-banner .swiper-container {
        height: 477px;
    }
}

@media(max-width:1199px) {
    .index-banner .swiper-container .swiper-num::before {
        margin-right: 24px;
    }
}

@media (max-width:1024px) {
    .index-banner .swiper-container {
        height: 380px;
    }
    .index-pro .container .swiper-button-prev,
    .index-pro .container .swiper-button-next {
        display: none;
    }
}

@media(max-width:991px) {
    .index-banner .swiper-button-prev,
    .index-banner .swiper-button-next {
        display: none;
    }
    .index-banner .swiper-container>.container {
        width: 100%;
    }
}

@media(max-width:768px) {
    .index-banner .swiper-pagination-bullets {
        bottom: 20px;
    }
    .index-banner .swiper-pagination-bullet {
        width: 30px;
    }
    .index-banner .swiper-container .swiper-img .banner-txt .txt2 {
        font-size: 15px;
    }
    .index-banner .swiper-container .swiper-img .banner-txt .txt1 {
        font-size: 26px;
    }
    .index-banner .swiper-container {
        height: 300px;
    }
    .index-banner .swiper-container .swiper-num {
        bottom: 16px;
    }
}

@media(max-width:767px) {
    .index-banner .swiper-container .swiper-img .banner-txt .txt1 {
        font-size: 26px;
        margin-bottom: 10px;
    }
    .index-banner .swiper-container .swiper-img .banner-txt1 .txt2 {
        width: 100% !important;
    }
    .index-banner .swiper-container .swiper-num {
        bottom: 16px;
    }
}

@media(max-width:991px) {
    /* .index-banner {
        margin-top: 71px;
    } */
    .index-banner .swiper-container .swiper-num::before {
        margin-right: 20px;
    }
    .index-tit h3 {
        font-size: 24px;
    }
}

@media(max-width:540px) {
    .index-banner .swiper-container .swiper-img .banner-txt .txt1 {
        margin-bottom: 25px;
    }
    .index-banner .swiper-container .swiper-img .banner-txt .txt2 {
        line-height: 30px;
        font-size: 14px;
        width: 100%;
    }
}

@media(max-width:425px) {
    .index-banner .swiper-container .swiper-img .banner-txt {
        top: 24%;
    }
    .index-banner .swiper-container .swiper-img .banner-txt .txt1 {
        margin-bottom: 10px;
    }
    .index-banner .swiper-container .swiper-img .banner-txt .txt2 {
        font-size: 13px;
    }
    .index-banner .swiper-container .swiper-img .banner-txt1 .txt1 img {
        max-width: 57%;
    }
    .index-banner .swiper-pagination-bullets {
        bottom: 11px;
    }
    .index-banner .swiper-container .swiper-num {
        bottom: 5px;
        font-size: 14px;
    }
    .index-banner .swiper-container .swiper-img .banner-txt .txt1 {
        font-size: 18px;
    }
    .index-banner .swiper-container .swiper-num {
        left: 34%;
    }
    .index-banner .swiper-container {
        height: 200px;
    }
}

@media (max-width:375px) {
    .index-banner .swiper-container .swiper-img .banner-txt .txt2 {
        line-height: 25px;
    }
    .index-banner .swiper-container {
        height: 180px;
    }
}

@media (max-width:320px) {
    .index-banner .swiper-container .swiper-img .banner-txt {
        top: 18%;
    }
    .index-banner .swiper-container .swiper-img .banner-txt .txt2 {
        font-size: 12px;
    }
    .index-banner .swiper-container {
        height: 160px;
    }
}