/*banner背景图片动画*/
@-webkit-keyframes scale-bg {
    from {
        -webkit-transform: scale(1.2);
        transform: scale(1.2);
    }
    to {
        -webkit-transform: scale(1);
        transform: scale(1);
    }
}

@keyframes scale-bg {
    from {
        -webkit-transform: scale(1.2);
        transform: scale(1.2);
    }
    to {
        -webkit-transform: scale(1);
        transform: scale(1);
    }
}

/*banner */
.index_main {
    background: #f7f7f7;
}

.index_main .section1 {
    position: relative;
}

.index_main .section1 .index_banner .item {
    background-size: cover;
    -webkit-background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 100vh;
    position: relative;
}

.index_main .section1 .index_banner .item.slick-current .scaleBg {
    visibility: visible;
    -webkit-animation: scale-bg 6s linear forwards;
    animation: scale-bg 6s linear forwards;
}

.index_main .section1 .index_banner .items {
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.index_main .section1 .index_banner .items:after {
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    background: rgba(0, 0, 0, 0.2);
}

.index_main .section1 .index_banner .item .inner .block_txt {
    position: absolute;
    top: 48%;
    right: 10px;
    left: 10px;
    opacity: 0;
    transform: translateY(40px);
    -webkit-transform: translateY(40px);
    -webkit-transition: all 500ms ease;
    transition: all 500ms ease;
}

.index_main .section1 .index_banner .item .inner .block_txttt {
    position: absolute;
    top: 30%;
    right: 10px;
    left: 10px;
    opacity: 0;
    transform: translateY(40%);
    -webkit-transform: translateY(40%);
    -webkit-transition: all 500ms ease;
    transition: all 500ms ease;
}

.index_main .section1 .index_banner .item.active .inner .block_txt {
    opacity: 1;
    -webkit-transform: translateY(0);
    transform: translateY(0);
    -webkit-transition-delay: 100ms;
    transition-delay: 100ms;
}

.index_main .section1 .index_banner .item .inner .block_txt h4 {
    font-size: 30px;
    color: #fff;
    text-align: center;
    font-family: 'COCO';
}

.index_main .section1 .index_banner .item .inner .block_txt h2 {
    color: #fff;
    font-size: 57px;
    font-weight: bold;
    margin-bottom: 20px;
    text-align: center;
    letter-spacing: 5px;
}

.index_main .section1 .index_banner .item .inner .block_txt h2 span {
    color: #f5c920;
    display: inline-block;
    letter-spacing: 5px;
}

.index_main .section1 .index_banner .item .inner .block_txt h3 {
    color: #fff;
    font-size: 22px;
    text-align: center;
    margin-top: 10px;
    letter-spacing: 3px;
}

.index_main .section1 .slick_txt {
    width: 30%;
    height: 100%;
    background-color: transparent;
    transition: all 500ms ease;
    -webkit-transition: all 500ms ease;
    background-repeat: no-repeat;
    position: absolute;
    top: 0;
    font-size: 0;
    outline: none;
    border: 0;
}

.index_main .section1 .left {
    left: 0;
}

.index_main .section1 .right {
    right: 0;
}

.index_main .section1 .slick_txt:hover .slick_arrow {
    opacity: 1;
    visibility: visible;
}

.index_main .section1 .slick_txt .slick_arrow {
    width: 20px;
    height: 36px;
    background-repeat: no-repeat;
    background-position: center;
    margin-top: -18px;
    position: absolute;
    top: 50%;
    cursor: pointer;
    transition: all 500ms ease;
    -webkit-transition: all 500ms ease;
    opacity: 0;
    visibility: hidden;
}

.index_main .section1 .slick_txt .prev {
    background-image: url(../images/ban_prev.png);
    left: 60px;
}

.index_main .section1 .slick_txt .next {
    background-image: url(../images/ban_next.png);
    right: 60px;
}

.index_main .section1 .slick_txt .prev:hover {
    background-image: url(../images/ban_prev_hover.png);
}

.index_main .section1 .slick_txt .next:hover {
    background-image: url(../images/ban_next_hover.png);
}

.index_main .section1 .number {
    position: absolute;
    bottom: 8%;
    left: 50%;
    padding-bottom: 5px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    display: table;
    padding: 0 20px;
    width: auto;
    text-align: center;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
}

.index_main .section1 .number span {
    font-family: "Myriad Pro", "Microsoft YaHei";
    font-size: 14px;
    color: #fff;
    margin-right: 100px;
    display: inline-block;
    cursor: pointer;
    position: relative;
    transition: all 500ms ease;
    -webkit-transition: all 500ms ease;
}

.index_main .section1 .number span:last-child {
    margin-right: 0;
}

.index_main .section1 .number span:after {
    content: "";
    display: inline-block;
    width: 0;
    height: 2px;
    background: #fff;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    bottom: -20px;
    opacity: 0;
    visibility: hidden;
    transition: all 500ms ease;
    -webkit-transition: all 500ms ease;
}

.index_main .section1 .number span.active:after {
    width: 100%;
    opacity: 1;
    visibility: visible;
}

.index_main .section2 {
    background: #03223a;
}

.index_main .section2 h3 {
    text-align: center;
}

.index_main .section3 {
    width: 100%;
    height: 100%;
    background: #03223a;
    background-size: 100% 100%;
}

.index_main .section3 h3 {
    text-align: center;
}

.index_main .section4 {
    background: #141526;
}

.index_main .section4 h3 {
}

@media only screen and (max-width: 1600px) {
    .index_main .section1 .index_banner .item .inner .block_txt h4 {
        font-size: 28px;
    }

    .index_main .section1 .index_banner .item .inner .block_txt h2 {
        font-size: 60px;
    }

    .index_main .section1 .index_banner .item .inner .block_txt h3 {
        font-size: 20px;
    }
}

@media only screen and (max-width: 1440px) {
    .index_main .section1 .index_banner .item .inner .block_txt h4 {
        font-size: 24px;
    }

    .index_main .section1 .index_banner .item .inner .block_txt h2 {
        font-size: 40px;
    }

    .index_main .section1 .index_banner .item .inner .block_txt h3 {
        font-size: 18px;
        margin-top: 5px;
    }
}

@media only screen and (max-width: 1366px) {
    .index_main .section1 .index_banner .item .inner .block_txt h4 {
        font-size: 20px;
    }

    .index_main .section1 .index_banner .item .inner .block_txt h2 {
        font-size: 26px;
    }

    .index_main .section1 .index_banner .item .inner .block_txt h3 {
        font-size: 16px;
    }

    .index_main .section1 .index_banner .slick-arrow {
        background-size: auto 30px;
    }
}

@media only screen and (max-width: 1300px) {

}

@media only screen and (max-width: 1199px) {
    .index_main .section1 .index_banner .item .inner .block_txt h4 {
        font-size: 18px;
    }

    .index_main .section1 .index_banner .item .inner .block_txt h2 {
        font-size: 22px;
    }

    .index_main .section1 .index_banner .item .inner .block_txt h3 {
        font-size: 14px;
    }
}

@media only screen and (max-width: 992px) {
    .index_main .section1 .index_banner .item {
        height: 100vh;
    }

    .index_main .section1 .index_banner .item .inner .block_txt {
        left: 0;
        right: 0;
        margin: 0 auto;
        padding: 0 20px;
        top: 42%;
    }

    .index_main .section1 .index_banner .slick-arrow {
        display: none !important;
    }

    .index_main .section1 .index_banner .slick-dots {
        position: absolute;
        bottom: 12px;
    }

    .index_main .section1 .index_banner .slick-dots li {
        width: 12px;
        height: 12px;
        border-radius: 50%;
        border: 2px solid #fff;
    }

    .index_main .section1 .index_banner .slick-dots li button {
        display: none;
    }

    .index_main .section1 .index_banner .slick-dots li.slick-active {
        background: #fff;
    }

    .index_main .section1 .number {
        bottom: 12%;
        display: none;
    }

    .index_main .section1 .number span {
        margin-right: 22px;
    }

    .index_main .section1 .number span:after {
        bottom: -14px;
    }

}

@media only screen and (max-width: 767px) {

}

@media only screen and (max-width: 340px) {

}

@media only screen and (max-width: 320px) {

}