body {
    margin: 0;
    padding: 0;
    font-family: Arial, 'Source Han Serif',sans-serif;
    transform-origin: top left;
    transition: transform 0.3s ease;
}
body:lang(zh) {
    font-family: 'Source Han Serif', Arial, sans-serif;
}

body:lang(en) {
    font-family: Arial, 'Source Han Serif', sans-serif;
}
::selection {
    background-color: rgba(25, 255, 33, 0.85);
    color: #000; /* 可选：设置选中文本的颜色 */
}

.corner-box {
    position: fixed;
    top: 0;
    left: 0;
    width: 429px; /* 395px * 0.7 */
    height: 97px; /* 87px * 0.7 */
    border-right: 1.5px solid #000;
    border-bottom: 1.5px solid #000;
    overflow: hidden;
    background-color: #fff;
    transition: all 0.3s ease; 
    z-index: 2000;
}
.corner-box:hover,
.corner-box:hover #logo-image {
    transform: scale(1.08);
    transition: transform 0.3s ease;
    transform-origin: top left; 
}
.index-box {
    position: fixed;
    top: 97px; /* 87px * 0.7 */
    left: 0;
    width: 350px; /* Adjusted width */
    height: 35px; /* 33px * 0.7 */
    border-right: 1.5px solid #000;
    border-bottom: 1.5px solid #000;
    background-color: #fff;
    display: flex;
    align-items: center;
    padding-left: 7px; /* 10px * 0.7 */
    font-size: 24px; /* 26px * 0.7 */
    transition: all 0.3s ease; /* 添加过渡效果 */
    z-index: 1006;
}
.index-box:hover {
    font-size: 36px; /* 悬停时的字号 */
    font-weight: bold; /* 将字体设置为粗体 */
    height: 46px; /* 增加26px的高度 */
    width: 360px;
}
.left-sidebar {
    position: fixed;
    top: 133px; /* 60.9px + 23.1px */
    left: 0;
    width: 350px; /* Adjusted width */
    height: 898px; /* 942px * 0.7 */
    border-right: 1.5px solid #000;
    background-color: #fff;
    padding: 14px; /* 20px * 0.7 */
    box-sizing: border-box;
    z-index: 1005;
}
.top-bar {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 10px;
    left: 429px; /* 395px * 0.7 */
    z-index: 1999;
}
.info, .contact {
    width: 1461px; /* Adjusted width */
    height: 31px; /* 33px * 0.7 */
    border-left: 1.5px solid #000;
    border-bottom: 1.5px solid #000;
    display: flex;
    align-items: center;
    padding-left: 6px; /* 10px * 0.7 */
    font-size: 28px; /* 26px * 0.7 */
    background-color: #fff;
    transition: all 0.3s ease; /* 添加过渡效果 */
}

.info:hover, .contact:hover {
    font-size: 48px; /* 悬停时的字号 */
    font-weight: bold; /* 将字体设置为粗体 */
    height: 46px; /* 增加26px的高度 */
}

.contact {
    border-bottom: 1.5px solid #000;
}
.container {
    position: absolute;
    top: 72px; /* Adjusted margin */
    left: 350px; /* Adjusted to be next to left sidebar */
    width: calc(100% - 350px);
    height: calc(100vh - 84px); /* Adjusted height */
    /* display: flex;
    flex-wrap: wrap; */
    padding-left: 6px; /* 20px * 0.7 */
    box-sizing: border-box;
    overflow: auto; /* Allow scrolling */
}
/* .content {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
} */
.content {
    width: 100%; 
    margin: 0 auto;
    max-width: 1200px;
    /* display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 6px;
    grid-auto-flow: dense;
    align-items: start; */
}

/* .content {
    column-count: 4;
    column-gap: 16px;
    padding: 0;
}

@media (max-width: 1200px) {
    .content {
        column-count: 3;
    }
}
@media (max-width: 800px) {
    .content {
        column-count: 2;
    }
}
@media (max-width: 500px) {
    .content {
        column-count: 1;
    }
} */


.content img {
    width: 270px; /* Fixed width */
    height: auto; /* Maintain aspect ratio */
    object-fit: contain;
    align-self: flex-start; /* Align images to the top */
    margin: 3px; /* Space between images */
    margin-bottom: 40px;
}
.index-list {
    margin-top: -14px;
}
.index-list ul {
    list-style-type: none;
    padding: 0;
    margin-left: -6px;
    margin-right: -6px;
    font-size: 24px; /* 21px * 0.7 */
    line-height: 1;
}
.index-list li {
    /* margin-bottom: 4px;  */
    transition: all 0.1s ease; /* 添加过渡效果 */
}
.index-list li:hover {
    color: #fff;
}
.hidden {
    display: none;
}
.secondary-page {
    position: absolute;
    top: 72px; /* Adjusted margin */
    /* left: 318px;  */
    width: calc(100% - 338px); /* 确保不会超过左边栏的右边界 */
    height: calc(100vh - 84px);
    background: rgba(255, 255, 255, 1);
    display: none;
    /* justify-content: center;
    align-items: center; */
    font-size: 18px;
    overflow-x: hidden; 
    z-index: 1000;
}

.secondary-page .image-section img {
    width: 817.4px;
    height: auto;
    margin-bottom: 20px;
    object-fit: contain;

}

.secondary-page .text {
    width: 50%;
    overflow-y: scroll; /* 只允许纵向滚动 */
    padding: 20px;
    transform: none; 
}

.image-container .description {
    display: none;
    margin-top: -35px;
    margin-right: -20px;
    font-size: 16px; /* 文字大小 */
    line-height: 1.1;
    color: #000000; /* 文字颜色 */
}


@media (max-width: 1520px){
    .secondary-page .image-section img {
        width: 80%; 
    }
}
@media (max-width: 941px) {
    .corner-box, .index-box, .left-sidebar, .top-bar .info, .top-bar .contact, .container {
        transform: scale(calc(1 - ((1020px - 100vw) / 1000)));
        transform-origin: top left;
    }
}
@media (max-width: 740px) {
    .image-container .description {
        display: block;
    }
    .corner-box {
        position: fixed;
        top: 0;
        left: 0;
        width: 343.2px; 
        height: 77.6px; 
    }
    #logo-image {
        transform: scale(0.8);
        transform-origin: top left;
    }
    .corner-box:hover #logo-image {
        transform: scale(0.8) ;
    }

    /* 1. info 栏固定在 corner-box 下面 */
    .info {
        position: fixed;
        top: 77.6px;                /* corner-box 的高度 */
        left: 120px;                  /* 紧贴页面左边缘 */
        width: 80px;
        height: 24.8px; 
        display: flex;
        border-right: 1.5px solid #000;
        border-top: 1.5px solid #000;
        z-index: 1000;
        font-size: 22px;
    }

    /* 2. contact 栏固定在 info 下面 */
    .contact {
        position: fixed;
        top: 71.6px;   /* corner-box 高度 + info 高度 */
        left: 207px;
        width: 153px !important;
        height: 29px;
        padding-top: 2px;
        display: flex;
        border-right: 1.5px solid #000;
        border-top: 1.5px solid #000;
        z-index: 999;
        font-size: 22px;
    }
    .info:hover, .contact:hover, .index-box:hover {
        font-size: 38px !important; /* 悬停时的字号 */
    }
    .index-box:hover {
        width: 105px !important;
        height: 48px !important; 
    }

    .index-box {
        position: fixed;
        top: 77.6px; 
        left: 15px;
        width: 105px;
        height: 25px !important; 
        z-index: 998;
        font-size: 22px!important;
        /* padding-top: 7px; */
        border-right: 1.5px solid #000;
        border-left: 1.5px solid #000;
        border-top: 1.5px solid #000;
    }
    .left-sidebar {
        transform: scale(0.7);
        position: fixed; /* 保持固定定位 */
        top: 103.9px; /* corner-box + info + contact */
        left: 18px;
        /* width: 340px;
        height: calc(100vh - 97px - 33px * 2);  */
        background-color: #fff; /* 确保有背景色 */
        z-index: 997; /* 保证在 container 和二级页面上层 */
        border-right: 1.5px solid #000;
        border-left: 1.5px solid #000;
        display: none; 
        overflow-y: scroll; 
    }

    .container {
        position: fixed;
        top: 128.5px;
        left: 45px;
        width: 100vw; /* 填充屏幕宽度 */
        z-index: 1;  /* 确保它在 secondary-page 下面 */
    }
    .secondary-page {
        position: fixed !important;
        top: 128.5px !important;
        left: 0 !important;
        width: 100vw !important;
        z-index: 2 !important;
    }
    .secondary-page .image-section img {
        width: 100%; 
    }
    .secondary-page .text-section {
        width: 500px !important;
        max-width: 100%;
        word-wrap: break-word;
        white-space: normal;
    }
    .box {
        top: 0 !important;
        left: 0 !important;
    }
    #info-box {
        position: fixed !important;
        transform: scale(0.8);
        top: 60px !important;
        left: 60px !important;
    }
    #contact-box {
        position: fixed ;
        transform: scale(0.8);
        top: 81.9px !important;
        left: 25px !important;
    }
    
}

.secondary-page {
    position: relative;
    left: 318px; /* 确保二级页面与左边栏对齐 */
    width: 100vw; /* 确保二级页面宽度为整个视口宽度 */
    height: calc(100vh - 84px);
    overflow-x: auto; 
}
.secondary-page .image-section {
    padding-left: 318px; /* 保持与左边栏对齐 */
    /* transform: scale(0.45); */
    width: 45%;
    width: calc(100vw - 318px); /* 调整宽度以确保内容对齐 */
    overflow-y: auto; 
    overflow-x: visible; 
}
.secondary-page .image-section img {
    /* transform: scale(0.6); */
    transition: transform 0.1s ease;
    
}

.secondary-page .image-section {
    width: 1269px;
    height: 100%;
    overflow-y: scroll; 
    padding: 10px; /* 增加内边距，避免图片被遮挡 */
    box-sizing: border-box; /* 确保内边距不影响容器的实际大小 */
    transform: none; 
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.3s ease;
}
.secondary-page .text-section {
    width: 141px;
    height: 100%;
    margin-right: 10px;
    overflow-y: scroll; 
    /* box-sizing: border-box; */
    transform: none; 
    transition: transform 0.3s ease;
}
.box {
    position: fixed;
    top: 84px;
    left: 204.8px;
    display: none;
    z-index: 1001;
}
#info-box {
    position: absolute;
    top: 75px;
    left: 394px;
    width: 328px;
    height: 410px;
    background-color: #b4fffd;
    font-size: 21px;
    padding-top: 50px;
    padding-left: 12px;
    padding-right: 6px;
    z-index: 1002;
}
#contact-box {
    position: absolute;
    top: 75px;
    left: 368px;
    width: 420px;
    height: 120px;
    background-color: #fffb7d;
    padding-top: 110px;
    padding-left: 12px;
    padding-right: 6px;
    padding-bottom: 4px;
    font-size: 21px;
    z-index: 1003; 
}
#logo-image {
    position: fixed;
    width: 1728px;
    height: 1028px;
    top: 0;
    left: 0;
    z-index: 2001;
    pointer-events: none;
    transition: all 0.3s ease; 
}


.image-container {
    width: 270px;
    margin-bottom: 0px;
    display: block;
}

.image-container img {
    width: 270px; /* 固定宽度 */
    height: auto; /* 保持宽高比 */
    object-fit: contain;
    transition: filter 0.3s ease; /* 添加过渡效果 */
    display: block;
}

.image-container:hover img {
    opacity: 0;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: white; /* 纯白色背景 */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: black;
    text-align: center;
    opacity: 0;
    transition: opacity 0.6s ease; /* 添加过渡效果 */
}

.image-container:hover .overlay {
    opacity: 1;
}
.large-text {
    font-size: 24px; /* 较大的字号 */
}

.small-text {
    font-size: 20px; /* 较小的字号 */
}

.usage-hint {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 400px;
    background-color: white;
    border: 1.5px solid black;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 2000; /* 确保在最上层 */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px;
    text-align: center;
    line-height: 1.6;
    font-size: 14px;
}

.close-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    font-size: 38px;
    cursor: pointer;
    color: black;
}




/* 添加轮播相关样式 */
/* .welcome-slider {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: white;
    z-index: 9999;
    overflow: hidden;
}

.slider-container {
    position: relative;
    display: flex;
    width: 200vw;
    height: 100vh;
    transform: translateX(0); 
    will-change: transform; 
}

.slide {
    width: 100vw;
    height: 100vh;
    flex: 0 0 100vw;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.slider-nav {
    position: fixed;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
    display: flex;
    gap: 20px;
}

.nav-btn {
    padding: 10px 20px;
    background: white;
    border: 1px solid black;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10002; 
}

.nav-btn:hover {
    background: black;
    color: white;
}

.corner-box {
    position: fixed;
    top: 0;
    left: 0;
    width: 429px;
    height: 97px;
    border-right: 1.5px solid #000;
    border-bottom: 1.5px solid #000;
    overflow: hidden;
    background-color: #fff;
    transition: all 0.3s ease; 
    z-index: 10000; 
}

#logo-image {
    position: fixed;
    width: 1728px;
    height: 1028px;
    top: 0;
    left: 0;
    z-index: 10001; 
    cursor: pointer; 
    pointer-events: none; 
}

.corner-box:hover #logo-image {
    pointer-events: auto; 
}

.slider-info {
    position: fixed;
    top: 10px;
    left: 429px;
    width: 1461px;
    height: 31px;
    border-left: 1.5px solid #000;
    border-bottom: 1.5px solid #000;
    display: flex;
    align-items: center;
    padding-left: 6px;
    font-size: 28px;
    background-color: #fff;
    z-index: 10000;
    transition: all 0.3s ease;
    cursor: pointer; 
}

.slider-info::before {
    content: '';
    position: absolute;
    top: -10px; 
    left: 0;
    width: 100%;
    height: 10px;
    background-color: #fff;
    border-left: 0px solid #000;
}

.slider-info:hover {
    font-size: 36px;
    font-weight: bold;
    height: 46px;
} */