:root {
    --max-width: 1380px;
    --min-width: 1260px;
}

.pc.container {
    min-width: var(--min-width);
    overflow: hidden;
}

.pc.container .header_box {
    position: sticky;
    top: 0;

    display: flex;
    justify-content: center;

    width: 100vw;
    min-width: var(--min-width);
}

.pc.container .header_box .header_bg {
    width: 100%;
    height: 100%;
}

.pc.container .header {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);

    display: flex;
    align-items: center;
    justify-content: space-between;

    width: 100%;
    max-width: var(--max-width);
    min-width: var(--min-width);
}

.pc.container .header .logo_box {
    display: flex;
    align-items: center;
    gap: 10px;
}

.pc.container .header .logo_box img {
    width: 62px;
    height: 62px;
}

.pc.container .header .logo_box .logo_text {
    font-family: Source Han Sans CN;
    font-weight: 700;
    font-size: 36px;
    line-height: 100%;
    color: #fff;
}

.pc.container .header .search_box {
    display: flex;
    align-items: center;
    height: 42px;
}

.pc.container .header .search_box input {
    width: 278px;
    height: 100%;
    background-color: #fff;
    border: none;
    padding-left: 10px;
}

.pc.container .header .search_box input:focus {
    outline: none;
}

.pc.container .header .search_box input::placeholder {
    color: #fff;
}

.pc.container .header .search_box button {
    width: 80px;
    height: 100%;
    background-color: #fff;
    border: none;
    background-color: #f99a2d;
    color: #fff;
}

.pc.container .menu_box {
    width: 100%;
    height: 66px;
    background-color: #0355a9;
}

.pc.container .menu_box .menu_list {
    display: flex;
    align-items: center;

    height: 100%;
    width: 100%;
    max-width: var(--max-width);
    min-width: var(--min-width);
    margin: 0 auto;
}

.pc.container .menu_box .menu_list .menu_item {
    display: flex;
    align-items: center;

    font-size: 24px;
    color: #fff;
    padding: 0 30px;
    height: 100%;
    cursor: pointer;
    text-decoration: none;
}

.pc.container .menu_box .menu_list .menu_item.active {
    background-color: #3599ff;
    color: #fff;
}

/* pc 底部样式 */
.pc .bottom_content {
    width: 100%;
    height: 280px;
    background: url(../images/bottom_bgc.png) no-repeat;
    background-size: cover;
    display: flex;
    justify-content: center;
}

.pc .bottom_content_top_width {
    min-width: 1340px;
}

.pc .bottom_content_top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 27px;
    padding-bottom: 15px;
    border-bottom: 1px solid #d2d7e0;
}

.pc .bottom_content_top_left {
    display: flex;
    align-items: center;
}

.pc .bottom_content_top_left img {
    width: 62px;
    height: 62px;
}

.pc .font_s {
    font-size: 18px;
}

.pc .bao_triangle_down {
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid black;
}

.pc .bao_container {
    padding: 5px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.pc .bottom_content_bottom {
    margin-top: 59px;
    font-size: 16px;
    color: #666;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.pc .bottom_content_bottom_left {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.pc .qr_code {
    width: 105px;
    height: 100px;
    border-radius: 4px;
}

/* pc 端 pdf 样式 */
.pdf_content {
    display: flex;
    justify-content: center;
    width: 100vw;
    background: #f5f7fd;
}

.pdf_container {
    margin: 0;
    font-family: '微软雅黑', Arial, sans-serif;
    background: #f5f7fd;
    /** height: 100vh;**/
    overflow: hidden;
    width: 1340px;
}

.pdf_breadcrumb {
    padding: 24px 0 0 40px;
    color: #999;
    font-size: 15px;
}

.pdf_breadcrumb a {
    color: #1362cf;
    text-decoration: none;
    margin: 0 4px;
}

.pdf_breadcrumb .pdf_active {
    color: #1362cf;
    font-weight: bold;
}

.pdf_breadcrumb .pdf_separator {
    color: #999;
    margin: 0 4px;
}

.pdf_main-container {
    display: flex;
    margin: 24px 40px 0 40px;
   /** height: calc(100vh - 100px);**/
}

.pdf_sidebar {
    display: flex;
    align-items: center;
    flex-direction: column;
    background: #ecf2fc;
    padding: 24px 0;
    flex-shrink: 0;
    width: 266px;
    /* height: 871px; */
    border-radius: 2px;
    padding: 28px 18px;
}

.pdf_menu-btn {
    padding: 24px 0;
    font-size: 20px;
    text-align: center;
    color: #333;
    background: #fff;
    border: none;
    border-radius: 2px;
    margin-bottom: 16px;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    width: 230px;
    height: 70px;
}

.pdf_menu-btn.pdf_active {
    background: #1362cf;
    color: #fff;
}

.pdf_content-area {
    flex: 1;
    background: #fff;
    padding: 32px 40px;
   /** overflow-y: auto; **/
}

.pdf_content-area h2 {
    text-align: center;
    color: #004c80;
    font-size: 32px;
    margin-bottom: 32px;
}

.pdf_content-area ul {
    margin: 16px 0 0 24px;
}

.pdf_content-area li {
    margin-bottom: 8px;
    font-size: 15px;
    color: #666;
    margin-bottom: 14px;
    line-height: 32px;
}

.pdf_content-area p {
    margin-bottom: 14px;
    line-height: 32px;
    text-align: justify;
    text-indent: 2em;
    color: #666;
}

.pdf_expert-list {
    width: 100%;
    margin: 0 auto;
}

.pdf_expert-item {
    /* border-bottom: 1px dashed #ccc; */
}

.pdf_expert-header {
    display: flex;
    align-items: center;
    font-weight: bold;
    font-size: 20px;
    cursor: pointer;
    padding: 0 0 0 0;
    position: relative;
    min-height: 36px;
}

.pdf_expert-header .pdf_expert-name {
    display: flex;
    align-items: center;
    white-space: nowrap;
    font-size: 18px;
    margin-left: 4px;
}

.pdf_expert-header::before {
    content: '\25B6';
    font-size: 13px;
    margin-right: 2px;
    transition: transform 0.2s;
    vertical-align: middle;
    color: #666;
}

.pdf_expert-item.pdf_active .pdf_expert-header::before {
    transform: rotate(90deg);
}

.pdf_expert-header .pdf_expert-dash {
    flex: 1;
    border-bottom: 1px dashed #ccc;
    margin: 0 10px;
    height: 0;
}

.pdf_expert-header .pdf_expert-date {
    font-size: 14px;
    color: #999;
    font-weight: normal;
    white-space: nowrap;
}

.pdf_expert-detail {
    display: none;
    background: #f7f7f7;
    padding: 18px;
    gap: 18px;
    animation: fadeIn 0.2s;
}

.pdf_expert-detail img {
    width: 221px;
    height: 150px;
    object-fit: cover;
    border-radius: 2px;
}

.pdf_expert-info {
    flex: 1;
    font-size: 15px;
    color: #333;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}
.pdf_member-list {
    width: 100%;
    margin: 0 auto;
    padding: 0;
    list-style: none;
}

.pdf_member-item {
    display: flex;
    align-items: center;
    min-height: 32px;
    font-size: 16px;
    margin: 0;
    padding: 0;
    cursor: pointer;
}

.pdf_member-item .pdf_member-name {
    margin-left: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    min-width: 0; /* 关键：允许flex item缩小 */
}

.pdf_member-item .pdf_member-dash {
    flex: 0 0 20px; /* 固定宽度 */
    border-bottom: 1px dashed #ccc;
    margin: 0 10px;
    height: 0;
}

.pdf_member-item .pdf_member-date {
    font-size: 14px;
    color: #999;
    font-weight: normal;
    white-space: nowrap;
    flex-shrink: 0; /* 禁止缩小 */
}

.pdf_member-item .pdf_member-dot {
    font-size: 18px;
    margin-right: 2px;
    flex-shrink: 0; /* 禁止缩小 */
}



/* pc 视频样式 */
.pdf_video-title {
    text-align: center;
    color: #2d5bff;
    font-size: 32px;
    margin-bottom: 32px;
}

.pdf_video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px 32px;
    max-width: 1100px;
    margin: 0 auto;
}

.pdf_video-card {
    background: #fff;
    border-radius: 2px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
    transition: box-shadow 0.2s;
    cursor: pointer;
}

.pdf_video-card:hover {
    box-shadow: 0 4px 16px rgba(45, 91, 255, 0.1);
}

.pdf_video-thumb {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    background: #eee;
    overflow: hidden;
}

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

.pdf_video-info {
    padding: 16px 8px 8px 8px;
}

.pdf_video-name {
    font-size: 18px;
    color: #222;
    margin-bottom: 8px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pdf_video-date {
    font-size: 14px;
    color: #999;
}

@media (max-width: 900px) {
    .pdf_video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .pdf_video-grid {
        grid-template-columns: 1fr;
    }
}

/* 首页背景 */
.homePage {
    position: relative;
    width: 100%;
    height: 400px;
    min-width: var(--min-width);
}

.homePage .banner_swiper {
    width: 100%;
    height: 100%;
}

.homePage .swiper-slide {
    width: 100%;
    height: 100%;
}

.homePage .banner_img {
    width: 100%;
    height: 100%;
    display: block;
}


/**
2025-6 新增
 */
a {
    text-decoration: none;
    color: #666; /** 去掉颜色 **/
}

.mobile_intro-content img,
.mobile_intro-content video,
.pdf_content-area img,
.pdf_content-area video {
    max-width: 90%;
    height: auto;
    display: block;
    margin: 0.5em auto;
}

.pagination > li {
    display: inline-block; /* 模拟 page-item 布局 */
}

.pagination > li > a,
.pagination > li > span {
    /* 复刻 page-link 样式 */
    position: relative;
    display: block;
    color: #6c757d;
    text-decoration: none;
    background-color: #fff;
    border: 1px solid #ececec;
    padding: 0.5rem 0.75rem;
    margin: 0 3px;
    line-height: 1.3;
    border-radius: 5px;
    white-space: nowrap;
    transition: all 0.2s;
}

/* 交互状态 */
.pagination > li > a:hover {
    color: #4d5259;
    background-color: #f9fafb;
}

.pagination > li.active > span {
    background-color: #007bff !important;
    border-color: #007bff !important;
    color: white !important;
}

/* 首尾项特殊处理 */
.pagination > li:first-child > a,
.pagination > li:first-child > span {
    margin-left: 0;
    border-radius: 5px; /* 保持统一圆角 */
}

.pagination > li:last-child > a,
.pagination > li:last-child > span {
    margin-right: 0;
    border-radius: 5px; /* 保持统一圆角 */
}

/* 禁用状态模拟 */
.pagination > li.disabled > span {
    opacity: 0.6;
    pointer-events: none;
}


/***
 css 改变上一页 下一页
 */

/* 通用隐藏原始符号 */
.pagination > li:first-child > a[href*="page="],
.pagination > li:last-child > a[href*="page="] {
    font-size: 0;
    padding: 0.5rem 0.75rem;
}

/* 上一页 */
.pagination > li:first-child > a[href*="page="]::after {
    content: "上一页";
    font-size: 1rem;
}

/* 下一页 */
.pagination > li:last-child > a[href*="page="]::after {
    content: "下一页";
    font-size: 1rem;
}

/* 保持按钮对齐 */
.pagination > li:first-child > a::after,
.pagination > li:last-child > a::after {
    display: inline-block;
    vertical-align: middle;
}