* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
    font-family: PingFangSC-Regular, sans-serif;
}

html, body{ min-width: 1080px; }

.main {
    margin-top: 80px;
}

.main .main-banner {
    width: 100%;
    /* height: 60vh; */
    /* height:774px; */
    max-height: calc(100vh - 80px);
    position: relative;
    overflow: hidden;
}

.main .main-banner .swiper-wrapper{
    height: auto !important;
}

.main .main-banner .main-banner_img {
    display: flex;
    transform: translateX(0);
    /* 添加过渡动画 */
    transition: all 1s;
    /* cursor: pointer; */
}

.main .main-banner .main-banner_img:hover ~ .position_arrow {
    background-color: rgba(0, 0, 0, 0.3); /* 黑色蒙版和50%透明度 */
}

.position_arrow:hover {
    background-color: rgba(0, 0, 0, 0.3); /* 黑色蒙版和50%透明度 */
}

.main .main-banner .position_arrow {
    /* background-color: red; */
    width: 50px;
    height: 50px;
    padding: 15px 0 0 6px;
    z-index: 99;
}

.main .main-banner .position_arrow img {
    /* object-fit: cover; */
    width: 35px;
    height: 21px;
    cursor: pointer;
}

.position_leftArrow {    
    position: absolute;
    top: 50%;
    left: 0;
}

.position_rightArrow {
    position: absolute;
    top: 50%;
    right: 0;
}

.main .main-banner img {
    object-fit: cover;
    width: 100%;
    max-height: 100%;
}

.main .main-content .content-title_text1 {
    font-weight: 400;
    color: rgba(0, 0, 0, 0.5);
    font-family: 'Source Han Serif';
}

.main .main-content {
    width: 75%;
    margin: auto;
    margin-top: 40px;
}

.main .main-content .content-title_text1 {
    font-weight: 400;
    font-size: 40px;
    color: rgba(0, 0, 0, 0.5);
    font-family: 'Source Han Serif';
}

.main .main-content  .content-title_text2 {
    font-weight: 700;
    font-size: 40px;
}

.content-title_border {
    width: 100px;
    height: 11px;
    background: linear-gradient(to right, rgba(32, 190, 211, 1), rgba(32, 190, 211, 0));
    margin-top: -10px;
}

.main .main-content .content-text1 {
    margin-bottom: 70px;
    font-size: 2rem;
}

.main .main-content .content-text1 img {
    object-fit: cover;
    width: 100%;
    /* margin-top: -120px; */
    margin: -120px 0 40px 0;
}

.main .main-content .content-text2 {
    position: relative;
    top: 0;
    left: 0;
    z-index: 10;
    background-color: rebeccapurple;
    margin: 0px 0 100px 0;
}

.main .main-content .content-text2 img {
    object-fit: cover;
    width: 100%;
    /* margin: 0px 0 40px 0; */
}

.main .main-content .content-text2 .position_text {
    color: #ffffff;
    position: absolute;
    bottom: 18%;
    left: 5%;
    z-index: 11;
    font-style: italic;
    letter-spacing: 1px;
}
.position_text .position_text_text1 {
    font-style: italic;
    padding-bottom: 15px;
    font-size: 2.4rem;
}

.position_text .position_text_text2 {
    font-size: 3.8rem;
}

.main .main-content .content-text3  {
    display: flex;
    align-items: center;
    width: 100%;
    margin: 0px 0 100px 0;
}

.content-text3  .content-text3_img {
    width: 50%;
    text-align: center;
}

.content-text3  .content-text3_img img {
    object-fit: cover;
    width: 100%;
}

.content-text3  .content-text3_text {
    width: 50%;
    padding: 50px;
    line-height: 105px;
    font-size: 2rem;
}

.content-text3  .content-text3_text p {
    padding: 10px 0 35px 0;
}

@media screen and (min-width: 2560px)  {
    .content-text3  .content-text3_text {
        width: 50%;
        padding: 50px;
        line-height: 140px;
        /* font-size: 54px; */
    }
    .main .main-content .content-title_text1 {
        font-weight: 400;
        font-size: 44px;
        color: rgba(0, 0, 0, 0.5);
        font-family: 'Source Han Serif';
    }
    
    .main .main-content  .content-title_text2 {
        font-weight: 700;
        font-size: 44px;
    }
    
    .content-title_border {
        width: 110px;
        height: 11px;
        background: linear-gradient(to right, rgba(32, 190, 211, 1), rgba(32, 190, 211, 0));
        margin-top: -10px;
    }
}

@media screen and (min-width: 2260px) and (max-width: 2560px)  {
    .content-text3  .content-text3_text {
        width: 50%;
        padding: 50px;
        line-height: 120px;
        /* font-size: 44px; */
    }
    .main .main-content .content-title_text1 {
        font-weight: 400;
        font-size: 40px;
        color: rgba(0, 0, 0, 0.5);
        font-family: 'Source Han Serif';
    }
    
    .main .main-content  .content-title_text2 {
        font-weight: 700;
        font-size: 40px;
    }
    
    .content-title_border {
        width: 100px;
        height: 11px;
        background: linear-gradient(to right, rgba(32, 190, 211, 1), rgba(32, 190, 211, 0));
        margin-top: -10px;
    }
}

@media screen and (max-width: 2000px) {
    .content-text3  .content-text3_text {
        width: 50%;
        padding: 50px;
        line-height: 80px;
        /* font-size: 34px; */
    }
    .main .main-content .content-title_text1 {
        font-weight: 400;
        font-size: 38px;
        color: rgba(0, 0, 0, 0.5);
        font-family: 'Source Han Serif';
    }
    
    .main .main-content  .content-title_text2 {
        font-weight: 700;
        font-size: 38px;
    }
    
    .content-title_border {
        width: 95px;
        height: 11px;
        background: linear-gradient(to right, rgba(32, 190, 211, 1), rgba(32, 190, 211, 0));
        margin-top: -10px;
    }
}

@media screen and (max-width: 1800px) {
    .content-text3  .content-text3_text {
        width: 50%;
        padding: 50px;
        line-height: 80px;
        /* font-size: 28px; */
    }
    .main .main-content .content-title_text1 {
        font-weight: 400;
        font-size: 34px;
        color: rgba(0, 0, 0, 0.5);
        font-family: 'Source Han Serif';
    }
    
    .main .main-content  .content-title_text2 {
        font-weight: 700;
        font-size: 34px;
    }
    
    .content-title_border {
        width: 88px;
        height: 11px;
        background: linear-gradient(to right, rgba(32, 190, 211, 1), rgba(32, 190, 211, 0));
        margin-top: -10px;
    }
}

@media screen and (max-width: 1580px) {
    .content-text3  .content-text3_text {
        width: 50%;
        /* padding: 50px; */
        line-height: 70px;
        /* font-size: 26px; */
    }
    .main .main-content .content-title_text1 {
        font-weight: 400;
        font-size: 30px;
        color: rgba(0, 0, 0, 0.5);
        font-family: 'Source Han Serif';
    }
    
    .main .main-content  .content-title_text2 {
        font-weight: 700;
        font-size: 30px;
    }
    
    .content-title_border {
        width: 80px;
        height: 11px;
        background: linear-gradient(to right, rgba(32, 190, 211, 1), rgba(32, 190, 211, 0));
        margin-top: -10px;
    }
}

@media screen and (max-width: 1280px) {
    .content-text3  .content-text3_text {
        width: 50%;
        /* padding: 50px; */
        line-height: 60px;
        /* font-size: 22px; */
    }
    .main .main-content .content-title_text1 {
        font-weight: 400;
        font-size: 26px;
        color: rgba(0, 0, 0, 0.5);
        font-family: 'Source Han Serif';
    }
    
    .main .main-content  .content-title_text2 {
        font-weight: 700;
        font-size: 26px;
    }
    
    .content-title_border {
        width: 68px;
        height: 11px;
        background: linear-gradient(to right, rgba(32, 190, 211, 1), rgba(32, 190, 211, 0));
        margin-top: -10px;
    }
}

@media screen and (max-width: 1080px) {
    .content-text3  .content-text3_text {
        width: 50%;
        /* padding: 50px; */
        line-height: 55px;
        /* font-size: 20px; */
    }
    .main .main-content .content-title_text1 {
        font-weight: 400;
        font-size: 24px;
        color: rgba(0, 0, 0, 0.5);
        font-family: 'Source Han Serif';
    }
    
    .main .main-content  .content-title_text2 {
        font-weight: 700;
        font-size: 24px;
    }
    
    .content-title_border {
        width: 62px;
        height: 11px;
        background: linear-gradient(to right, rgba(32, 190, 211, 1), rgba(32, 190, 211, 0));
        margin-top: -10px;
    }
}