:root {
    --primary-color: #0056b3;
    --secondary-color: #c9010b;
    --text-dark: #333333;
    --text-light: #666666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --transition: all 0.3s ease;
    --border-color: #eee;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-light);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    border: none;
}

/* 全局公共类 */
.clear {clear:both; height:0;}
.m3 { margin-top:30px;}
.m5 { margin-top:50px;}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.25rem;
    color: var(--text-dark);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #00e5d8, #6a78ff);
    margin: 10px auto 0;
    border-radius: 2px;
}

.section-title p {
    color: var(--text-light);
    font-size: 1.1rem;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 5px;
    font-weight: bold;
    text-align: center;
    transition: var(--transition);
}

.btn:hover {
    background: var(--secondary-color);
}

/* 顶部导航 */
header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 118px;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
}

.logo img {
    width: 150px;
    height: auto;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    font-size: 1rem;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* 首页轮播 */
.hero-slider {
    margin-top: 120px;
    position: relative;
    height: 600px;
    overflow: hidden;
    background: #eee;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
}

.slide.active {
    opacity: 1;
}

.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
}

.slide-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    max-width: 800px;
    padding: 20px;
}

.slide-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.slide-content p {
    font-size: 1.5rem;
    margin-bottom: 30px;
}
.slider-dots {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 22px;
}
.dot {
    width: 10px;
    height: 20px;
    background: linear-gradient(90deg, #00e5d8, #6a78ff);
    cursor: pointer;
    transition: all 0.3s;
    border-radius: 5px;
}
.dot.active {
	margin-top:-8px;
    background: var(--secondary-color);
    width: 10px;
	height: 23px;
}

/* 关于我们 */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-img img {
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.about-text p {
    margin-bottom: 20px;
    color: var(--text-light);
}

/* 服务模块 */
.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-top: 40px;
}

.service-card {
    position: relative;
    height: 330px;
    text-align: center;
    background-color: #fff;
    border-radius: 0;
    transition: all 0.5s ease;
    box-shadow: 0 0 15px rgba(127,127,127,0.2);
    overflow: hidden;
    padding: 0 20px;
    box-sizing: border-box;
    background-repeat: no-repeat;
    background-position: left top;
    background-size: 200% 45%;
}

.service-card:nth-child(1) {
    background-image: url('http://www.58meeting.com/images/ico_huodongcehua.png');
}
.service-card:nth-child(2) {
    background-image: url('http://www.58meeting.com/images/ico_shijuesheji.png');
}
.service-card:nth-child(3) {
    background-image: url('http://www.58meeting.com/images/ico_huiyizhixing.png');
}
.service-card:nth-child(4) {
    background-image: url('http://www.58meeting.com/images/ico_peitaofuwu.png');
}
.service-card:nth-child(1):hover { background-position: right top; }
.service-card:nth-child(2):hover { background-position: right top; }
.service-card:nth-child(3):hover { background-position: right top; }
.service-card:nth-child(4):hover { background-position: right top; }

.service-card:hover {
    background-color: var(--secondary-color);
    color: #fff;
    box-shadow: 0 0 10px rgba(102,102,102,0.3);
    transform: translateY(-5px);
}

/* 文字样式 */
.service-card h3 {
    margin-top: 155px;
    font-size: 20px;
    line-height: 38px;
    position: relative;
    z-index: 2;
}
.service-card p {
    line-height: 26px;
    text-align: left;
    text-indent: 30px;
    position: relative;
    z-index: 2;
}

/* 新闻资讯 */
.news-section {
    background-color: var(--bg-light);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.news-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.news-card:hover {
    transform: translateY(-10px);
}

.news-img {
    height: 200px;
    background: #ddd;
    overflow: hidden;
}

.news-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.news-card:hover .news-img img {
    transform: scale(1.1);
}

.news-content {
    padding: 20px;
}

.news-date {
    color: var(--primary-color);
    font-size: 1rem;
    margin-bottom: 10px;
    display: block;
}

.news-content h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.news-content p {
    font-size: 0.95rem;
    color: var(--text-light);
}

/* 资源服务 */
.resource-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.resource-card {
    text-align: center;
    padding: 40px 20px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    transition: var(--transition);
}

.resource-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 86, 179, 0.1);
}

.resource-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.resource-card h3 {
    margin-bottom: 15px;
}

/* 知识科普 */
.knowledge-section {
    background: linear-gradient(90deg, #00e5d8, #6a78ff);
    color: var(--white);
}

.knowledge-section .section-title h2 {
    color: var(--white);
}

.knowledge-section .section-title h2::after {
    background: var(--white);
}

.knowledge-section .section-title p {
    color: rgba(255, 255, 255, 0.8);
}

.knowledge-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
}

.knowledge-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 5px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px 15px;
}

.knowledge-item i {
    color: var(--primary-color);
    flex-shrink: 0;
}

.knowledge-item a {
    color: var(--white);
    font-weight: 500;
    flex: 1;
    min-width: 120px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.knowledge-item .date {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    white-space: nowrap;
    flex-shrink: 0;
}

/* 案例展示 */
.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.case-item {
    position: relative;
    height: 200px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
}

.case-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(0, 229, 216, 0.8), rgba(106, 120, 255, 0.8));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}

.case-item:hover .case-overlay {
    opacity: 1;
}

.case-item:hover img {
    transform: scale(1.1);
}

.case-overlay h4 {
    color: var(--white);
    font-size: 1.5rem;
    border: 2px solid var(--white);
    padding: 10px 20px;
    margin: 0;
}

.case-overlay h4 a {
    pointer-events: auto;
    color: #fff;
    text-decoration: none;
}

/* 活动视频 */
.video-wrapper {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}
.video-item {
    overflow: hidden;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}
.video-card {
    text-decoration: none;
}
.video-thumb {
    position: relative;
    overflow: hidden;
}
.video-thumb img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: 0.3s;
}
.video-item:hover .video-thumb img {
    transform: scale(1.05);
}
.play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    color: #fff;
    text-shadow: 0 0 8px rgba(0,0,0,0.4);
    opacity: 0.85;
}
.video-title {
    padding: 12px 15px;
    margin: 0;
    font-size: 15px;
    color: #333;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.no-video {
    grid-column: 1 / -1;
    text-align: center;
    color: #999;
    padding: 40px 0;
}

/* 文章详情页 */
.article-page {
    margin-top: 158px;
    padding-bottom: 60px;
    display: flex;
    gap: 40px;
}

.article-main {
    flex: 3;
    background: var(--white);
	max-width: 800px;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.article-sidebar {
    flex: 1;
}

.article-header {
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
}

.article-title {
    font-size: 1.8rem;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.4;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    color: var(--text-light);
    font-size: 0.95rem;
    align-items: center;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.article-meta i {
    color: var(--primary-color);
}

.article-abstract {
    background: #f0f7ff;
    padding: 20px;
    border-radius: 5px;
    margin-bottom: 30px;
    color: var(--text-dark);
    font-style: italic;
}

.reading-time {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-light);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--primary-color);
    margin-bottom: 30px;
    font-weight: 500;
}

.article-content {
    font-size: 1.1rem;
    color: #444;
    line-height: 1.8;
    margin-bottom: 40px;
}

.article-content p {
    margin-bottom: 20px;
}

.article-content img {
    border-radius: 8px;
    max-width: 100%;
}

.article-content h3 {
    font-size: 1.5rem;
    margin: 30px 0 15px;
    color: var(--primary-color);
    border-left: 5px solid var(--primary-color);
    padding-left: 15px;
}

.article-kefu {
    text-align: center;
}
.article-kefu img {
    margin:0 auto;
}

.article-navigation {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    margin-bottom: 50px;
}

.nav-item {
    flex: 1;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 8px;
    transition: var(--transition);
}

.nav-item:hover {
    background: #eef5ff;
}

.nav-label {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 8px;
    display: block;
}

.nav-title {
    font-weight: bold;
    color: var(--primary-color);
    display: block;
}

.nav-item.next {
    text-align: right;
}

/* 相关文章 */
.related-articles h3 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    position: relative;
    padding-left: 15px;
}

.related-articles h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 5px;
    height: 25px;
    width: 5px;
    background: var(--secondary-color);
    border-radius: 2px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.related-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.related-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
    border-color: var(--primary-color);
}

.related-img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.related-info {
    padding: 15px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.related-info h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    line-height: 1.4;
}

.related-info h4 a:hover {
    color: var(--primary-color);
}

.related-info p {
    font-size: 0.9rem;
    color: var(--text-light);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 10px;
    flex-grow: 1;
}

.read-more {
    font-size: 0.85rem;
    color: var(--secondary-color);
    font-weight: bold;
}

/* 侧边栏公共样式 */
.sidebar-widget {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 158px;
}

.widget-title {
    font-size: 1.3rem;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--bg-light);
    position: relative;
}

.widget-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, rgba(0, 229, 216, 0.8), rgba(106, 120, 255, 0.8));
}

/* 阅读排行榜 */
.rank-list li {
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px dashed var(--border-color);
    display: flex;
    align-items: flex-start;
}

.rank-list li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.rank-num {
    display: inline-block;
    width: 22px;
    height: 22px;
    background: #a1a3a6;
    color: #fff;
    text-align: center;
    line-height: 22px;
    border-radius: 4px;
    font-size: 0.8rem;
    margin-right: 12px;
    flex-shrink: 0;
    margin-top: 3px;
}

.rank-list li:nth-child(1) .rank-num {
    background: #c8000a;
}

.rank-list li:nth-child(2) .rank-num {
    background: #ff9500;
}

.rank-list li:nth-child(3) .rank-num {
    background: #fc0;
}

.rank-list a {
    font-size: 0.95rem;
    color: var(--text-dark);
    line-height: 1.5;
}

.rank-list a:hover {
    color: var(--primary-color);
}

/* 文章列表页 / 图片列表页 公共布局 */
.list-page,
.gallery-page,
.page-wrapper,
.contact-page {
    margin-top: 158px;
    padding-bottom: 60px;
}

/* 面包屑 */
.breadcrumb {
    margin-bottom: 30px;
    font-size: 0.95rem;
    color: var(--text-light);
}

.breadcrumb a {
    color: var(--text-light);
}

.breadcrumb a:hover {
    color: var(--primary-color);
}

.breadcrumb span {
    margin: 0 8px;
}

/* 文章卡片列表 */
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.article-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.card-img {
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.article-card:hover .card-img img {
    transform: scale(1.1);
}

.card-body {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.card-date {
    font-size: 0.85rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 12px;
    line-height: 1.4;
}

.card-title a:hover {
    color: var(--primary-color);
}

.card-excerpt {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex-grow: 1;
    margin-bottom: 20px;
}

.card-link {
    color: var(--primary-color);
    font-weight: bold;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.card-link:hover {
    gap: 10px;
}

/* 子分类导航样式 */
.class-sort {
  margin: 0 0 20px 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.class-sort li {
  margin: 0;
  padding: 0;
  list-style: none;
}

.class-sort li a {
  display: inline-block;
  padding: 10px 20px;
  background: #ffffff;
  color: #444;
  font-size: 14px;
  border-radius: 50px;
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.28s ease;
  border: 1px solid #e6e6e6;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.class-sort li a:hover {
  background: var(--secondary-color);
  color: #fff;
  border-color: var(--secondary-color);
  box-shadow: 0 3px 8px rgba(42, 104, 241, 0.2);
  transform: translateY(-1px);
}

/* 专题索引样式 */
.huiwu-topic {
    margin: 20px 0;
    padding: 15px;
    border: 1px solid #eee;
    border-radius: 6px;
    background: #fff;
}

.huiwu-topic-title {
    margin: 0 0 15px 0;
    padding: 0 0 10px 0;
	font-size: 1.3rem;
    color: var(--text-light);
    border-bottom: 2px solid var(--bg-light);
}

/* 图片相册网格 */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.gallery-item {
    border-radius: 10px;
    overflow: hidden;
    background: var(--white);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.gallery-img {
	position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.gallery-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover .gallery-img img {
    transform: scale(1.1);
}

.video-play-btn {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 50%;
    z-index: 2;
    pointer-events: none; /* 不影响点击图片 */
}
.video-play-btn::after {
    content: "";
    position: absolute;
    left: 55%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 0;
    border-top: 14px solid transparent;
    border-bottom: 14px solid transparent;
    border-left: 22px solid #fff;
}

.gallery-item:hover .video-play-btn {
    background: rgba(201, 1, 11, 0.8);
    transition: all 0.3s ease;
}

.gallery-title {
    padding: 15px;
    text-align: center;
    font-weight: bold;
    font-size: 1.05rem;
    background: var(--white);
    color: var(--text-dark);
    border-top: 1px solid #f0f0f0;
}

.gallery-item:hover .gallery-title {
    color: var(--primary-color);
}

/* 课程视频及讲师布局 */
.huiyihuodong_jiangshi {
    text-align: center;
    margin: 30px 0 20px;
}
.huiyihuodong_jiangshi p {
    margin: 0;
    padding: 0;
}
.huiyihuodong_jiangshi p img {
    margin: 0 auto 15px;
    width: 108px;
    height: 108px;
    border-radius: 50%;
    border: 2px solid #cccccc;
    display: block;
    object-fit: cover;
    transition: all 0.3s ease;
}
.huiyihuodong_jiangshi p img:hover {
    transform: scale(1.05);
    border-color: #0066cc;
}
.huiyihuodong_jiangshi_intro {
    line-height: 1.8;
    font-size: 16px;
    color: #333;
    text-align: justify;
    margin: 0 auto;
    max-width: 1000px;
    padding: 0 15px;
}

.huiyihuodong_course_list {
    display: flex;
    flex-wrap: wrap;
    margin: 0;
    padding: 0;
    list-style: none;
    gap: 25px;
}
.huiyihuodong_course_list .course-item {
    width: calc(33.333% - 17px);
    margin-bottom: 25px;
}

.course-img-box {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    background: #f5f5f5;
    overflow: hidden;
    border-radius: 8px;
    margin-bottom: 12px;
}
.course-img-box img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s;
}
.course-img-box a:hover img {
    transform: scale(1.05);
}

.video-play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 50%;
    z-index: 2;
    pointer-events: none;
}

.video-play-icon::after {
    content: "";
    position: absolute;
    left: 55%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 0;
    border-top: 14px solid transparent;
    border-bottom: 14px solid transparent;
    border-left: 22px solid #fff;
}

.course-title {
    font-size: 16px;
    line-height: 1.5;
    margin: 0;
    font-weight: 500;
}
.course-title a {
    color: #333;
    text-decoration: none;
}
.course-title a:hover {
    color: #0066cc;
}

/* 栏目介绍页 */
.page-wrapper {
    display: flex;
    gap: 40px;
}

.main-content {
    flex: 3;
    background: var(--white);
	max-width:800px;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.sidebar {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.content-title {
    font-size: 1.8rem;
    color: var(--text-dark);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--bg-light);
    position: relative;
}

.content-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, rgba(0, 229, 216, 0.8), rgba(106, 120, 255, 0.8));
}

.content-text {
    font-size: 1.05rem;
    color: #444;
    line-height: 1.8;
    margin-bottom: 20px;
}

.content-text img {
    border-radius: 8px;
    max-width: 100%;
}

.content-text h3 {
    font-size: 1.4rem;
    margin: 30px 0 15px;
    color: var(--primary-color);
    border-left: 5px solid var(--secondary-color);
    padding-left: 15px;
}

.content-text p {
    margin: 20px 0 15px;
}

/* 公司荣誉 */
.honor-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.honor-item {
    text-align: center;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px;
    transition: var(--transition);
}

.honor-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 5px 15px rgba(0, 86, 179, 0.1);
}

.honor-img {
    width: 100%;
    height: 80px;
    object-fit: contain;
    margin-bottom: 10px;
}

.honor-item h4 {
    font-size: 0.85rem;
    color: var(--text-dark);
    line-height: 1.4;
}

/* 主体内容下方推荐案例 */
.huiwu-case {
    margin-top: 40px;
    max-width: 800px;
}
.huiwu-case-title {
    font-size: 1.3rem;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--bg-light);
    position: relative;
}
.huiwu-case-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, rgba(0, 229, 216, 0.8), rgba(106, 120, 255, 0.8));
}
.huiwu-case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.huiwu-case-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    transition: 0.3s;
}
.huiwu-case-item:hover {
    transform: translateY(-3px);
}
.huiwu-case-img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    display: block;
}
.huiwu-case-item h4 {
    padding: 12px;
    font-size: 0.95rem;
    line-height: 1.4;
    margin: 0;
}
.huiwu-case-item h4 a {
    color: #333;
    text-decoration: none;
}
.huiwu-case-item h4 a:hover {
    color: var(--primary-color);
}

/* 招聘岗位列表 */
.huiyihuodong_job_list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}
.huiyihuodong_job_list li {
    width: calc(25% - 15px);
	margin-bottom:25px;
	transition:all 0.3s ease;
}
.huiyihuodong_job_list li:hover {
    transform:translateY(-5px);
}
.huiyihuodong_job_list li span {
    font-size: 50px;
    color: #eee;
    line-height: 1;
    display: block;
    margin-bottom: 8px;
	font-weight:bold;
}
.huiyihuodong_job_list li h5 {
	position: relative;
	width: 100%;
	padding-bottom: 25px;
    font-size: 16px;
    font-weight: normal;
}
.huiyihuodong_job_list li h5 a {
    display: block;
    width: 100%;
    color: #333;
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
/* 渐变下划线 */
.huiyihuodong_job_list li h5::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, #00e5d8, #6a78ff);
}

/* 视频播放 */
.video-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto 25px auto;
    background: #000;
    overflow: hidden;
    border-radius: 8px;
}

.video-player {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.video-cover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 9;
    cursor: pointer;
    display: block;
}

.video-cover.hide {
    display: none !important;
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(0,0,0,0.6);
    border-radius: 50%;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
.play-btn::after {
    content: "";
    width: 0;
    height: 0;
    border-top: 15px solid transparent;
    border-bottom: 15px solid transparent;
    border-left: 25px solid #fff;
    margin-left: 5px;
}

.play-btn.hide {
    display: none !important;
}

/* 留言表单 */
.form-container {
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    max-width: 900px;
    margin: 0 auto;
}

.form-title {
    font-size: 1.8rem;
    color: var(--text-dark);
    margin-bottom: 30px;
    text-align: center;
    position: relative;
}

.form-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #00e5d8, #6a78ff);
    margin: 15px auto 0;
    border-radius: 2px;
}

.form-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 40px;
}

.form-group {
    margin-bottom: 25px;
}

.form-row {
    display: flex;
    gap: 20px;
}

.form-col {
    flex: 1;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-dark);
}

.required {
    color: #c8000a;
    margin-left: 4px;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: #fafafa;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 10px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 8px 15px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    transition: var(--transition);
    background: #fafafa;
}

.checkbox-item:hover {
    border-color: var(--primary-color);
    background: #f0faff;
}

.checkbox-item input {
    margin-right: 8px;
    accent-color: var(--primary-color);
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.checkbox-item span {
    font-size: 0.95rem;
    color: var(--text-dark);
}

.submit-btn {
    display: block;
    width: 100%;
    padding: 15px;
    background: linear-gradient(90deg, #00e5d8, #6a78ff);
    color: var(--white);
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 30px;
}

.submit-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 168, 232, 0.3);
}

#statusMessage {
    margin-top: 15px;
    text-align: center;
    font-size: 14px;
}

.success{color:#009900;font-weight:bold;padding:10px;display:block;text-align:center;}
.error{color:#ff0000;font-weight:bold;padding:10px;display:block;text-align:center;}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.pagination a,
.pagination span {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    border-radius: 5px;
    background: var(--white);
    color: var(--text-dark);
    border: 1px solid var(--border-color);
    font-weight: 500;
    transition: var(--transition);
}

.pagination a:hover {
    background: linear-gradient(90deg, #00e5d8, #6a78ff);
    color: var(--white);
    border-color: var(--primary-color);
}

.pagination .current {
    background: linear-gradient(90deg, #00e5d8, #6a78ff);
    color: var(--white);
    border-color: var(--primary-color);
}

.pagination .prev,
.pagination .next {
    width: auto;
    padding: 0 15px;
}

.foot-brand {
    margin-top: 0;
    width: 100%;
    height: auto;
    padding: 20px 0;
    text-align: center;
}
.foot-brand-content {
    width: 1160px;
    max-width: 95%;
    margin: 0 auto;
}
.foot-brand-content img {
    width: 100%;
    height: auto;
    display: block;
    margin: 0 auto 58px;
}
.foot-brand-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
}
.foot-brand-row > div {
    line-height: 1;
    font-weight: 500;
}
.foot-brand-content span {
    font-size: 28px;
    padding-left: 10px;
    color: #333;
}
.foot-brand-title {
    font-size: 28px;
}
.foot-brand-year {
    font-size: 50px;
    color: #c10000;
}
.foot-brand-amount {
    font-size: 50px;
    color: var(--secondary-color);
}
.foot-brand-meeting {
    font-size: 50px;
    color: #c10000;
}

/* 底部 */
footer {
    background: #1a1a1a;
    color: #a1a3a6;
    padding: 60px 0 20px;
    margin-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    color: #fff;
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-col ul {
    padding: 0;
    margin: 0;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
}
.footer-col ul li {
    margin-bottom: 10px;
}
.footer-col ul li a {
    color: #a1a3a6;
    text-decoration: none;
}
.footer-col ul li a:hover {
    color: var(--primary-color);
}

.footer-col:nth-child(2) ul li {
    width: 50%;
}

.footer-col:nth-child(3) ul li {
    width: 100%;
}

.copyright {
    text-align: center;
    border-top: 1px solid #333;
    padding: 20px 0 10px;
    font-size: 0.9rem;
}

/* 底部资质图片排列 */
.copyright-images {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 12px 20px;
    margin-top: 12px;
}
.copyright-images img {
    height: 36px;
    width: auto;
    display: block;
}

/* 404页面 */
.error-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 100px 20px 60px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.error-code {
    font-size: 10rem;
    font-weight: bold;
    color: #00e5d8;
    position: relative;
    margin-bottom: 20px;
}

.error-code::before {
    content: '404';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    -webkit-text-stroke: 2px #6a78ff;
    color: transparent;
    mix-blend-mode: multiply;
}

.error-message {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.error-desc {
    color: var(--text-light);
    margin-bottom: 40px;
    max-width: 500px;
}

.home-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 30px;
    background: linear-gradient(90deg, #00e5d8, #6a78ff);
    color: var(--white);
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.home-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 168, 232, 0.3);
}

/* 响应式适配 */
@media (max-width: 900px) {
    .page-wrapper {
        flex-direction: column;
        margin-top: 88px;
    }

    .main-content,
    .sidebar-widget {
        padding: 25px;
    }

    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
	
    .honor-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 750px) {
    nav {
        height: 68px;
    }

    .logo img {
        width: 90px;
    }

    .hero-slider {
		margin-top: 68px;
        height: 400px;
    }

    .slide-content h1 {
        font-size: 2rem;
    }

    .slide-content p {
        font-size: 1rem;
    }

    .about-grid,
    .resource-grid {
        grid-template-columns: 1fr;
    }

    .section-title h2 {
        font-size: 2rem;
    }

    .knowledge-list {
        grid-template-columns: 1fr;
    }
    .knowledge-item {
        padding: 16px 14px;
    }
    .knowledge-item a {
        min-width: 100px;
    }

    .article-page {
        flex-direction: column;
        margin-top: 88px;
    }

    .article-main,
    .sidebar-widget {
        padding: 25px;
    }

    .service-grid {
        grid-template-columns: 1fr;
    }
    .service-card {
        height: auto;
        min-height: 260px;
        padding-bottom: 30px;
    }
	
    .huiwu-case-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .video-wrapper {
        grid-template-columns: repeat(2,1fr);
    }
	
    .related-grid {
        grid-template-columns: 1fr;
    }

    .article-title {
        font-size: 1.58rem;
    }

    .article-navigation {
        flex-direction: column;
    }

    .nav-item.next {
        text-align: left;
    }

    .nav-links {
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        display: none;
    }

    .nav-links.active {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }

    .article-grid {
        grid-template-columns: 1fr;
    }

    .list-page,
    .gallery-page,
    .contact-page {
        margin-top: 88px;
    }

  .class-sort {
    gap: 8px;
  }
  .class-sort li a {
    padding: 8px 16px;
    font-size: 13px;
  }
  
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .gallery-img {
        height: 160px;
    }

    .gallery-title {
        font-size: 0.9rem;
        padding: 10px;
    }

    .huiyihuodong_jiangshi p img {
        width: 88px;
        height: 88px;
    }
    .huiyihuodong_jiangshi_intro {
        font-size: 15px;
        line-height: 1.7;
    }
	
    .huiyihuodong_course_list .course-item {
        width: 100%;
    }
	
    .honor-list {
        grid-template-columns: 1fr;
    }

    .huiyihuodong_job_list li {
        width: 100%;
    }
	
    .form-container {
        padding: 25px;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .checkbox-group {
        gap: 10px;
    }

    .checkbox-item {
        padding: 6px 12px;
        font-size: 0.9rem;
    }

    .error-code {
        font-size: 6rem;
    }

    .error-message {
        font-size: 1.2rem;
    }

    .error-container {
        padding-top: 80px;
        padding-bottom: 40px;
    }

    .foot-brand-row {
        gap: 15px;
    }
    .foot-brand-title {
        font-size: 18px;
    }
    .foot-brand-year,
    .foot-brand-amount,
    .foot-brand-meeting {
        font-size: 26px;
    }
    .foot-brand-content span {
        font-size: 16px;
        padding-left: 5px;
    }
}

@media (max-width: 480px) {
    .knowledge-item {
        justify-content: space-between;
    }
    .knowledge-item i {
        order: 1;
    }
    .knowledge-item a {
        order: 2;
        width: calc(100% - 50px);
    }
    .knowledge-item .date {
        order: 3;
        margin-left: auto;
    }
    .video-wrapper {
        grid-template-columns: 1fr;
    }
    .gallery-grid {
        grid-template-columns: 1fr;
    }
	.huiwu-case-grid {
        grid-template-columns: 1fr;
    }
}
/* 伍方客服 */
.wfhy-Service {
  position: fixed;
  right: 0;
  top: 188px;
  z-index: 999999;
}
@media (min-width: 769px) {
  .Service_slide_min { display: none; }
  .Service_slide_box { display: block; }
}
@media (max-width: 768px) {
  .Service_slide_min { display: block; }
  .Service_slide_box { display: none; }
}
.Service_slide_min {
  width: 38px;
  height: auto;
}
.Service_slide_min img {
  width: 38px;
  display: block;
  cursor: pointer;
}
.Service_slide_foot {
  background-color:#000;
  height: 30px;
  color: #fff;
  text-align: center;
  cursor: pointer;
}
.Service_slide_box {
  width: 120px;
  background: linear-gradient(90deg, rgba(0, 229, 216, 0.8), rgba(106, 120, 255, 0.8));
  border: 1px solid #000;
  border-right: 0;
  border-bottom-left-radius: 20px;
  text-align: center;
  font-size: 12px;
  overflow: hidden;
}
.Service_slide_box_head {
  width: 120px;
  height: 30px;
  line-height: 30px;
  font-size: 16px;
  text-align: left;
  cursor: pointer;
}
.Service_slide_box p {
  line-height: 12px;
  margin-bottom: 10px;
  padding: 0 5px;
}
.Service_slide_box a {
  font-size: 12px;
  font-weight: bold;
  color: var(--secondary-color);
}

.Service_slide_box_foot {
  background-color:#000;
  width: 120px;
  height: 35px;
  color: #fff;
  line-height: 35px;
  cursor: pointer;
}