/* 主要内容区域 */
.main-content {
    min-height: calc(100vh - 200px - 200px); /* 减去头部和底部高度 */
}

.content-title {
    margin-top: 20px;
    margin-bottom: 15px;
    color: #333;
    text-align: center;
}

.content-placeholder {
    padding: 20px;
}

.content-main-placeholder {
    color: #666;
    border: 1px solid #EDF4F9;
    padding: 10px 20px 0px 20px;
    margin-bottom: 20px;
    font-size: 0; /* 消除inline-block之间的空隙 */
}
/* 两列布局容器 */
.content-main-placeholder > .content-placeholder-item:nth-child(1),
.content-main-placeholder > .content-placeholder-item:nth-child(2) {
    text-align: left;
    margin-bottom: 10px;
    vertical-align: top;
    font-size: 14px; /* 恢复字体大小 */
}

.content-placeholder > .content-placeholder-item:nth-child(3),
.content-main-placeholder > .content-placeholder-item:nth-child(3) {
    text-align: left;
    width: 100%;
    margin-bottom: 10px;
    font-size: 14px; /* 恢复字体大小 */
}

/* 下载链接样式 */
.content-link {
    margin-top: 20px;
}

.download-item-text {
    font-size: 16px;
    color: #333;
    font-weight: 700;
    position: relative;
    border-bottom: 1px solid #EDF4F9;
}

.download-item-text span {
    display: inline-block;
}

.download-item-text span::after {
    content: '';
    position: absolute;
    bottom: 0px;
    left: 0px;
    width: 65px;
    height: 2px;
    background-color: #0063F9;
}


.download-item {
    display: flex;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #F0F0F0;
}

.download-item:last-child {
    border-bottom: none;
}

.download-item img {
    width: 24px;
    height: 30px;
    margin-right: 10px;
}

.download-item .file-name {
    flex: 1;
    font-size: 14px;
    color: #333;
    text-decoration: none;
		 word-break: break-all;
    margin-right: 10px;v
}

.download-item .download-btn {
    padding: 5px 12px;
    background-color: #0063f900;
    color: #0063F9;
    border: none;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    border: 1px solid;
    transition: background-color 0.3s ease;
}

.download-item .download-btn:hover {
    background-color: #0052D3;
}

/* 固定按钮 */
.fixed-btns {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 999;
}

.service-btn img {
    width: 60px;
    height: 70px;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.service-btn img:hover {
    transform: scale(1.1);
}

/* 字体大小控制样式 */
.font-size-control {
    cursor: pointer;
    padding: 2px 8px;
    margin: 0 2px;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.font-size-control:hover {
    background-color: #f0f0f0;
}

.font-size-control.active {
    background-color: #0063F9;
    color: white;
}

/* 内容主体样式 */
.content-main {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
}

.content-main-item {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
		word-break: break-all;
}

.content-main.font-size-small,
.content-main-item.font-size-small {
    font-size: 14px;
}

.content-main.font-size-large,
.content-main-item.font-size-large {
    font-size: 18px;
}