@charset "UTF-8";

:root {
    --page-width: 1920px;
    --page-gutter: 24px;
    --font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
    --text-color: #333;
    --muted-color: #666;
    --link-color: #1677ff;
    --page-background: #fff;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    width: 100%;
    min-height: 100%;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    width: 100%;
    min-width: 320px;
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
    color: var(--text-color);
    background: var(--page-background);
    font: 400 16px/1.6 var(--font-family);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
ol,
dl,
dd,
figure,
blockquote {
    margin: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-size: inherit;
    font-weight: 700;
}

ul,
ol {
    padding: 0;
    list-style: none;
}

a {
    color: inherit;
    text-decoration: none;
    -webkit-tap-highlight-color: transparent;
}

a:hover {
    color: var(--link-color);
}

img,
svg,
video,
canvas {
    display: block;
    max-width: 100%;
}

img {
    height: auto;
    border: 0;
}

button,
input,
select,
textarea {
    margin: 0;
    color: inherit;
    font: inherit;
}

button,
input,
select,
textarea {
    border: 0;
}

button {
    padding: 0;
    cursor: pointer;
    background: transparent;
}

:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 2px;
}

textarea {
    resize: vertical;
}

table {
    width: 100%;
    border-collapse: collapse;
    border-spacing: 0;
}

hr {
    height: 1px;
    margin: 1rem 0;
    border: 0;
    background: #eee;
}

::selection {
    color: #fff;
    background: var(--link-color);
}

[hidden] {
    display: none !important;
}

.page,
.wrap,
.container {
    width: 100%;
}

.page {
    min-height: 100vh;
}

.container {
    width: 100%;
    margin-right: auto;
    margin-left: auto;
}
.header {
    width: 100%;
    height: clamp(180px, 63.59375vw, 1221px);
    background: url(./image/header.jpg) no-repeat center top / 100% auto;
}

.language-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 213px;
    height: 270px;
    margin-bottom: 58px;
    margin-left: 40px;
    overflow: hidden;
    border-radius: 8px;
    background: linear-gradient(90deg, #5e89fe 21%, #7096ff 100%);
}

.language-btn {
    display: block;
    flex: 0 0 54px;
    width: 100%;
    height: 54px;
    color: #D6EAFF;
    font-family: Arial, "Microsoft YaHei", "PingFang SC", sans-serif;
    font-size: 18px;
    font-weight: 400;
    line-height: 54px;
    text-align: center;
    white-space: nowrap;
    cursor: pointer;
    transition: color 160ms ease, transform 160ms ease;
}

.language-btn:hover,
.language-btn:focus-visible {
    color: #fff;
}

.language-btn:active {
    transform: scale(.98);
}

.language-btn.is-active {
    color: #7096FF;
    font-weight: 700;
    background: url(./image/btn_bg.png) no-repeat center / 100% 100%;
}

.language-section {
    display: flex;
    width: 100%;
    height: 329px;
    background: #7096FF;
    border-radius: 20px;
    margin-top: 124px;
}

.language-articles {
    display: none;
    flex: 0 0 865px;
    grid-template-columns: minmax(0, 1fr) 336px;
    gap: 50px;
    min-width: 0;
    width: 865px;
    height: 349px;
    padding: 45px 40px 40px 45px;
    border-radius: 10px;
    background: linear-gradient(180deg, #fdfaed 0%, #ffffff 22%);
    box-shadow: 0px 6px 10px 0px rgba(0, 0, 0, 0.26);
    box-sizing: border-box;
    margin-top: -81px;
    margin-left: 41px;
}

.language-articles.is-active {
    display: grid;
}

.language-article-list {
    display: flex;
    flex-direction: column;
    min-width: 0;
    position: relative;
    height: 260px;
    justify-content: space-between;
}

.language-article {
    display: block;
    margin-bottom: 40px;
    color: #3D3D3D;
    font-size: 16px;
    line-height: 1.35;
}


.language-article:hover {
    color: #d77842;
}

.language-more {
    display: inline-flex;
    align-items: center;
    align-self: flex-end;
    gap: 4px;
    margin-top: auto;
    padding: 1px 7px;
    color: #999;
    font-size: 17px;
    line-height: 22px;
    border-radius: 4px;
    background: rgba(216, 216, 216, 0.6);
    position: absolute;
    bottom: 0;
    right: 0;
}

.language-more:hover {
    color: #666;
}

.language-feature {
    display: block;
    min-width: 0;
    color: #3D3D3D;
    font-size: 16px;
    line-height: 1.35;
}

.language-feature img {
    width: 353px;
    height: 198px;
    margin-bottom: 20px;
    border-radius: 8px;
    object-fit: cover;
}

.language-feature:hover {
    color: #d77842;
}

.container .main {
    width: 1200px;
    margin: -65px auto 0;
}
.container .main .items {
    width: 100%;
    margin-bottom: 90px;
    background: #FFFFFF;
    border: 1px solid #7096FF;
    box-sizing: border-box;
    box-shadow: 0px 6px 10px 0px rgba(0, 0, 0, 0.15);
    border-radius: 20px;
    overflow: hidden;
}
.logo {
    width: min(1086px, calc(100% - 48px));
    margin: 24px auto 40px;
}

.logo img {
    display: block;
    width: 100%;
    height: auto;
}
.video-box {
    display: flex;
    align-items: flex-start;
    padding: 0 34px;
    justify-content: space-between;
}
.video-box .video-box-l {
    width: 574px;
    height: 322px;
    border-radius: 16px;
    position: relative;
    overflow: hidden;
}
.video-box .video-box-l::after {
    content: '';
    width: 82px;
    height: 82px;
    background: url(./image/video_b.png) no-repeat center;
    background-size: cover;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.video-box-l .cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.video-box .video-box-r {
    max-width: 532px;
    position: relative;
}
.video-box .video-box-r li {
    margin-bottom: 20px; 
}
.video-box .video-box-r li a {
    display: flex;
    align-items: flex-start;
}
.video-box-r .video-more{
    display: inline-flex;
    align-items: center;
    align-self: flex-end;
    gap: 4px;
    margin-top: auto;
    padding: 1px 7px;
    color: #999;
    font-size: 16px;
    line-height: 22px;
    border-radius: 4px;
    background: rgba(216, 216, 216, 0.6);
    position: absolute;
    bottom: 20px;
    right: 0;
}
.video-box-r .video-more:hover {
    color: #666;
}
.box-r-cover{
    width: 165px;
    height: 93px;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
}
.box-r-cover::after {
    content: '';
    width: 57px;
    height: 57px;
    background: url(./image/video_b.png) no-repeat center;
    background-size: cover;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.box-r-cover .cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.video-box-r .box-r-info {
    width: 340px;
    height: 93px;
    margin-left: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.box-r-info .box-r-info_title {
    color: #3D3D3D;
    font-size: 20px;
    line-height: normal;
}
.box-r-info .box-r-info_title:hover {
    color: #d77842;
}
.box-r-info .box-r-info_time {
    display: flex;
    align-items: center;
}
.box-r-info_time .video-icon {
    width: 18px;
    height: 15px;
    background: url(./image/video_s.png) no-repeat center;
    margin-right: 13px;
    background-size: cover;
}
.box-r-info_time .time{
    color: #999999;
    font-size: 18px;
}

.mobile-only {
    display: none;
}

@media (max-width: 750px) {
    .pc-only {
        display: none !important;
    }

    .container_m.mobile-only {
        display: block;
        width: 100%;
        min-width: 320px;
        min-height: 100vh;
        overflow: hidden;
        background: #fff;
    }

    .container_m .header_m {
        width: 100%;
        height: auto;
        line-height: 0;
    }

    .container_m .header_m img {
        display: block;
        width: 100%;
        height: auto;
    }
    .container_m .main-wrapper {
        width: 100%;
        margin: -130px 0 0 0;
        position: relative;
        z-index: 5;
        padding: 0 16px;
    }
    .container_m .main-wrapper .items {
        width: 100%;
        margin-bottom: 28px;
        background: #fff;
        border: 1px solid #7096ff;
        border-radius: 12px;
        box-shadow: 0 3px 8px rgba(0, 0, 0, .12);
        overflow: hidden;
    }

    .container_m .logo {
        width: 100%;
        margin: 16px auto 20px;
    }

    .container_m .video-box {
        display: flex;
        flex-direction: column;
        gap: 18px;
        width: 100%;
        padding: 0 12px;
    }

    .container_m .video-box .video-box-l {
        width: 100%;
        height: auto;
        aspect-ratio: 574 / 322;
        border-radius: 10px;
    }

    .container_m .video-box .video-box-l::after {
        width: 54px;
        height: 54px;
        background-size: contain;
    }

    .container_m .video-box .video-box-r {
        width: 100%;
        max-width: none;
    }

    .container_m .video-box-r li {
        margin-bottom: 18px;
    }

    .container_m .video-box-r li a {
        flex-direction: row;
        align-items: flex-start;
    }

    .container_m .box-r-cover {
        flex: 0 0 120px;
        width: 120px;
        height: 68px;
        border-radius: 10px;
    }

    .container_m .video-box-r .box-r-info {
        flex: 1 1 auto;
        width: auto;
        min-width: 0;
        height: 68px;
        margin: 0 0 0 12px;
    }

    .container_m .box-r-info .box-r-info_title {
        display: -webkit-box;
        overflow: hidden;
        font-size: 15px;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
    }

    .container_m .box-r-info_time .time {
        font-size: 14px;
    }

    .container_m .language-section {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        height: auto;
        min-height: 0;
        margin-top: 28px;
        padding: 16px 12px 24px;
        border-radius: 12px;
    }

    .container_m .language-box {
        display: block;
        width: 100%;
        /* max-width: 280px; */
        height: auto;
        padding: 0 8px;
        margin: 0 auto 20px;
        font-size: 0;
        text-align: center;
    }

    .container_m .language-btn {
        display: inline-block;
        vertical-align: top;
        width: auto;
        min-width: 106px;
        max-width: 100%;
        padding: 0 8px;
        font-size: 14px;
        white-space: normal;
        overflow-wrap: anywhere;
    }

    .container_m .language-articles {
        flex: 0 0 auto;
        grid-template-columns: 1fr;
        gap: 20px;
        width: 100%;
        height: auto;
        min-height: 0;
        margin: 0;
        padding: 20px 16px;
    }

    .container_m .language-article-list {
        height: auto;
        gap: 20px;
        justify-content: flex-start;
    }

    .container_m .language-article {
        display: -webkit-box;
        overflow: hidden;
        margin-bottom: 0;
        font-size: 15px;
        line-height: 1.5;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
    }

    .container_m .language-more {
        position: static;
        align-self: flex-end;
        margin-top: 0;
        font-size: 14px;
    }

    .container_m .language-feature {
        font-size: 15px;
    }

    .container_m .language-feature img {
        width: 100%;
        height: auto;
        aspect-ratio: 353 / 198;
        margin-bottom: 10px;
    }
    .container_m .box-r-cover::after {
        content: '';
        width: 37px;
        height: 37px;
        background: url(./image/video_b.png) no-repeat center;
        background-size: cover;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%,-50%);
    }
    .container_m .video-box-r .video-more{
        display: inline-flex;
        align-items: center;
        align-self: flex-end;
        gap: 4px;
        margin-top: auto;
        padding: 1px 7px;
        color: #999;
        font-size: 14px;
        line-height: 20px;
        border-radius: 4px;
        background: rgba(216, 216, 216, 0.6);
        position: absolute;
        bottom: 15px;
        right: 5px;
    }
}