.full_screen {
    position: relative;
}

#full_swiper {
    height: 100vh;
    width: 100vw;
}

.slide_bg {
    width: 100vw;
    height: 100vh;
    background-image: url('https://www.globaltimes.cn/img/letter/letter_bg_02.jpg');
    background-size: 100% 100%;
    overflow: hidden;
    position: absolute;
    left: 0;
    top: 0;
}

.page_item {
    position: relative;
    overflow: hidden;
    width: 100vw;
    height: 100vh;
    //background-image: url(https://backup.globaltimes.cn/test/img/10years/swiper_bg.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    overflow: hidden;

}

.cover_page {
    background-image: url(https://www.globaltimes.cn/img/letter/letter_cover03.jpg);
    //background-size: cover;
    background-repeat: no-repeat;
}

.slide_page {
    display: block;
    height: 100%;
    //background-image: url();
}

.item_content {
    width: 100%;
    height: 100%;
    display: -webkit-box;
    display: flex;
    -webkit-box-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    align-items: center;
    color: #fff;
}

.content_sec {
    position: relative;
    margin: 0 auto;
    //margin-top: 4vw;
    width: 50vw;
    height: 30vw;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 50% 50%;
}

/* .item_content {
    position: relative;
    margin: 0 auto;
    margin-top: 6vw;
    width: 50vw;
    height: 30vw;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 50% 50%;
} */
.years_title {
    font-family: ScalaOT Bold;
    font-weight: normal;
}

.title_33 {
    font-size: 33px;
    line-height: 43px;
    color: #ffffff;
    display: block;
}

.title_sec {
    width: 100%;
    position: absolute;
    bottom: -2px;
    padding-top: 8%;
    padding-bottom: 4%;
    //background-color: #FEF9F6;
    background: linear-gradient(to top, #121212, transparent);
}

.content_sec .years_title {
    font-size: 1.5vw;
    line-height: 1.5em;
    width: 80%;
    margin: 0 auto;
}

.swiper-button-next {
    background-image: url(https://www.globaltimes.cn/img/letter/right_arr_02.png) !important;
}

.swiper-button-prev {
    background-image: url(https://www.globaltimes.cn/img/letter/left_arr_02.png) !important;
}

.swiper-button-next,
.swiper-button-prev {
    //background-image: unset !important;
    opacity: 1;
    border: unset;
    border-radius: unset;
    color: #872B1A;
    width: 25px !important;
    height: 50px !important;
    background: unset;
}

.swiper-button-next {
    right: 3% !important;
}

.swiper-button-prev {
    left: 3% !important;
}

.swiper-pagination {
    position: absolute !important;
    bottom: 10% !important;
}

.swiper-pagination .swiper-pagination-bullet:first-child {
    display: none;
}

.swiper-pagination-bullet {
    width: calc((50vw - 54px) / 10) !important;
    border-radius: unset !important;
    height: 3px !important;
    background: #FFFFFF !important;
}

.swiper-pagination-bullet-active {
    background: #B70103 !important;
}

.swiper-pagination-bullet:not(:last-child) {
    margin-right: 6px;
}

.title_sec a:hover {
    color: unset;
}

.logo_nav {
    position: absolute;
    top: 4%;
    left: 4%;
    width: 26%;
    z-index: 2;
    font-size: 0;
}

.logo_nav .left_logo,
.logo_nav .right_text {
    display: inline-block;
    vertical-align: middle;
}

.logo_nav .left_logo {
    width: 32%;
    border-right: 3px solid #ED1B23;
    padding-right: 10px;
}

.logo_nav .right_text {
    width: 68%;
    padding-left: 10px;
}
.logo_nav .right_text .text{
    font-family: ScalaOT Bold;
    font-weight: bold;
    font-size: 24px;
    line-height: 40px;
    color: #B70103;
}
.logo_nav .right_text .text .font_light{
    font-family: ScalaOT Regular;
    font-weight: 400;
}
.logo_nav .right_text .line01 {
    font-family: ScalaOT Bold;
    font-weight: bold;
    font-size: 18px;
    line-height: 18px;
    margin-bottom: 4px;
    color: #CC292F;
}

.logo_nav .right_text .line02 {
    font-family: ScalaOT Regular;
    font-weight: normal;
    font-size: 18px;
    line-height: 18px;
    color: #CC292F;
}
.logo_nav .right_text .text .big_font{
    font-size: 32px;
}
@media only screen and (min-device-width: 481px) and (max-device-width: 1200px) and (orientation:landscape) {

    /* For landscape layouts only ipad横向*/
    .slide_bg {
        //background-image: url(https://backup.globaltimes.cn/test/img/letter/pad_hori_bg.jpg);
    }

    .page_item {
        //background-image: url(https://backup.globaltimes.cn/test/img/letter/pad_hori_bg.jpg);
    }

    .cover_page {
        background-image: url(https://www.globaltimes.cn/img/letter/pad_hori_cover02.jpg);
    }

    .swiper-pagination {
        bottom: 20% !important;
    }

    .swiper-pagination-bullet {
        width: calc((50vw - 80px) / 10) !important;
    }

    .logo_nav {
        width: 34%;
    }

    .logo_nav .right_text .line01 {
        font-size: 20px;
        line-height: 20px;
    }

}

@media only screen and (min-device-width: 481px) and (max-device-width: 1200px) and (orientation:portrait) {

    /* For landscape layouts only ipad竖向*/

    .slide_bg {
        background-image: url(https://backup.globaltimes.cn/test/img/letter/pad_ver_bg.jpg);
    }

    .page_item {
        //background-image: url(https://backup.globaltimes.cn/test/img/10years/pad_verti_bg.jpg);
    }

    .cover_page {
        background-image: url(https://www.globaltimes.cn/img/letter/pad_ver_cover02.jpg);
    }

    .item_content {
        justify-content: flex-start;
        flex-direction: column;
        margin-top: 30vh;
    }

    .content_sec {
        width: 80vw;
        height: auto;
    }

    .content_sec .years_title {
        font-size: 22px;
        line-height: 26px;
    }

    .swiper-pagination {
        bottom: 28% !important;
    }

    .swiper-pagination-bullet {
        width: calc((80vw - 80px) / 10) !important;
    }

    .swiper-container-horizontal>.swiper-pagination-bullets .swiper-pagination-bullet {
        //margin-left: 0;
        //margin-right: 6px;
    }

    .swiper-button-next,
    .swiper-button-prev {
        top: 48% !important;
        background-size: 24px 48px !important;
    }

    .swiper-button-next {
        right: 2% !important;
    }

    .swiper-button-prev {
        left: 2% !important;
    }

    .logo_nav {
        width: 50%;
    }

    .logo_nav .right_text .line01 {
        font-size: 22px;
        line-height: 24px;
    }

}

@media screen and (max-width: 480px) {
    .slide_bg {
        background-image: url(https://www.globaltimes.cn/img/letter/phone_bg.jpg);
    }

    .page_item {
        //background-image: url(https://backup.globaltimes.cn/test/img/10years/phone_swiper_bg02.png);
    }

    .cover_page {
        background-image: url(https://www.globaltimes.cn/img/letter/phone_cover02.jpg);
    }

    .item_content {
        justify-content: flex-start;
        flex-direction: column;
        margin-top: 28vh;
    }

    .content_sec {
        width: 80vw;
    }

    .title_sec {
        position: relative;
        background: unset;
    }

    .content_sec .years_title {
        width: 100%;
        font-size: 18px;
        line-height: 22px;
    }

    .swiper-pagination {
        bottom: 24% !important;
    }

    .swiper-pagination-bullet {
        width: calc((80vw - 80px) / 10) !important;
    }

    .swiper-container-horizontal>.swiper-pagination-bullets .swiper-pagination-bullet {
        //margin-left: 0;
        //margin-right: 6px;
    }

    .swiper-button-next,
    .swiper-button-prev {
        top: 42% !important;
        background-size: 12px 24px !important;
    }

    .swiper-button-next {
        right: 2% !important;
    }

    .swiper-button-prev {
        left: 2% !important;
    }

    .logo_nav {
        width: 60%;
    }

    /* .logo_nav .right_text .line01 {
        font-size: 12px;
        line-height: 14px;
    }
    
    .logo_nav .right_text .line02 {
        font-size: 12px;
        line-height: 14px;
    } */
    .logo_nav .right_text .text{
        font-size: 12px;
        line-height: 14px;
    }
}