/* 强制所有元素背景透明，排除class为about-content2-table-td、about-footer、about-header的元素 */
*:not(.about-content2-table-td):not(.about-footer) {
    background-color: transparent !important;
    box-shadow: none !important;
}

body,
html {
    background: transparent !important;
    margin: 0;
    padding: 0;
}

body {
    background-color: transparent !important;
    margin: 0;
    padding: 0;
    scrollbar-width: none !important;
}

/* 新增：隐藏浏览器滚动轴 */
/* WebKit浏览器 (Chrome, Safari) */
::-webkit-scrollbar {
    display: none !important;
}

/* IE 和 Edge */
html {
    -ms-overflow-style: none !important;
}

.about {
    /* height: 800px; */
    padding: 6% 20% 1% 20%;
    background-color: transparent !important;
    min-height: 100%; /* 添加最小高度确保内容撑开 */
    box-sizing: border-box; /* 确保padding不会导致内容溢出 */
}

.about-header-logo {
    width: 100%;
    height: 100px;
    text-align: center;
    background-color: transparent !important;
}

.about-header-logo img {
    height: 100%;
}

.about-header-content {
    width: 100%;
    background-color: transparent !important;
    margin-top: 60px;
    /* 字体 */
    font-size: 15px;
    font-weight: 400;
    letter-spacing: 0px;
    line-height: 28px;
    color: rgba(255, 255, 255, 1);
    text-align: left;
    vertical-align: top;
    /* 首行缩进 */
    text-indent: 2em;

}

.about-header-mouse {
    width: 100%;
    background-color: transparent !important;
    margin-top: 150px;
    text-align: center;
}

.about-header-mouse-img {
    width: 27px;
    height: 60px;
    opacity: 0.4;
}

.about-content1-header,
.about-content2-header {
    width: 100%;
    background-color: transparent !important;
    margin-top: 120px;
    display: flex;
    align-items: center;
    /* 垂直居中 */
    justify-content: center;
    /* 可选，水平居中 */
    height: 58px;
}

.content1-header-title-center,
.content2-header-title-center {
    background-color: transparent !important;
    font-size: 40px;
    font-weight: 700;
    letter-spacing: 0px;
    line-height: 57.92px;
    color: rgba(255, 255, 255, 1);
    text-align: center;
    vertical-align: top;
}

.content1-header-left-img,
.content2-header-left-img {
    width: 50px;
    height: 50px;
    opacity: 1;
}

.content1-header-right-img,
.content2-header-right-img {
    width: 50px;
    height: 50px;
    opacity: 1;
}

.about-content1-content {
    font-size: 15px;
    font-weight: 400;
    letter-spacing: 0px;
    line-height: 20.27px;
    color: rgba(255, 255, 255, 1);
    text-align: center;
    vertical-align: top;
    margin-top: 28px;
}

.about-content1-table {
    display: flex;
    flex-direction: column;
    /* align-items: center; */
    justify-content: center;
    margin-top: 40px;
}

.about-content1-table-td {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: 40px;
}

.about-content1-table-logo {
    text-align: center;
}

.about-content1-table-logo img {
    width: 80px;
    height: 80px;
    opacity: 1;
}

.about-content1-table-title {
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0px;
    line-height: 14.4px;
    color: rgba(255, 255, 255, 1);
    text-align: center;
    vertical-align: top;
    margin-top: 10px;
}

.about-content2-table {
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin-top: 40px;
    width: 100%;
    table-layout: fixed;
    /* 强制列宽均分 */
    border-collapse: collapse;
}

.about-content2-table td {
    width: 33.33%;
    /* 三列均分宽度 */
    padding: 0 5px;
    /* 统一内边距 */
}

.about-content2-table-td {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 5px;
    /* width: 389px; */
    width: 100%;
    height: 300px;
    opacity: 1;
    border-radius: 10px;
    background-color: rgba(255, 255, 255, 1);
}

.about-content2-table-logo {
    margin-bottom: 30px;
}

.about-content2-table-logo img {
    width: 120px;
    /* 固定图片宽度 */
    height: 80px;
    /* 固定图片高度 */
    object-fit: contain;
    /* 保持图片比例 */
}

.about-content2-table-title {
    min-height: 50px;
    /* 标题区域最小高度 */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 500;
    letter-spacing: 0px;
    line-height: 34.75px;
    color: rgba(26, 26, 26, 1);
    text-align: center;
    vertical-align: middle;
}

.about-content2-table-subtitle,
.about-content2-table-content {
    font-size: 16px;
    font-weight: 400;
    letter-spacing: 0px;
    line-height: 30px;
    color: rgba(102, 102, 102, 1);
    text-align: center;
    vertical-align: middle;
}

.about-footer {
    height: 32px;
    opacity: 1;
    background: rgba(26, 26, 26, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 40px;
    /* 字体 */
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0px;
    line-height: 17.38px;
    color: rgba(255, 255, 255, 1);
    text-align: center;
    vertical-align: top;
}

.floating-btn{
    position: fixed;
    bottom: 100px;
    right: 14.5%;
    width: 50px;
    height: 50px;
    background-color: #007bff;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    display: none;
}