/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Open Sans", "Microsoft YaHei", "΢���ź�", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样�?*/
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.navbar-brand a {
    font-size: 1.8rem;
    font-weight: 700;
    color: #00509e;
    text-decoration: none;
    transition: color 0.3s ease;
}

.navbar-brand a:hover {
    color: #003060;
}

.navbar-menu ul {
    display: flex;
    list-style: none;
}

.navbar-menu li {
    margin-left: 30px;
}

.navbar-menu a {
    text-decoration: none;
    color: #333;
    font-size: 1.1rem;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.navbar-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #00509e;
    transition: width 0.3s ease;
}

.navbar-menu a:hover {
    color: #00509e;
}

.navbar-menu a:hover::after {
    width: 100%;
}

/* 下拉菜单样式 */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);   /* ����һ�㣬���в��?*/
    left: 50%;
    transform: translate(-50%, -10px);
    background-color: white;
    min-width: 180px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
    display: flex;
    flex-direction: column;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
     transform: translate(-50%, 0);
}

.dropdown-menu li {
    margin: 0;
    text-align: left;
	
}

.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    color: #333 !important;
    text-shadow: none !important;
    font-size: 1rem;
    transition: all 0.3s ease;
    border-bottom: 1px solid #f0f0f0;
}

.dropdown-menu a:hover {
    background-color: #f8f9fa;
    color: #3867d6 !important;
    padding-left: 25px;
}

.dropdown-menu a::after {
    display: none;
}

.dropdown-menu li:last-child a {
    border-bottom: none;
    border-radius: 0 0 8px 8px;
}

/* 移动端导航切换按�?*/
.navbar-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.navbar-toggle span {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* 顶部全屏滚动图片 */
.hero-section {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    z-index: 1;
	
    transition: transform 1s cubic-bezier(0.22, 0.61, 0.36, 1);
    will-change: transform;
}

.hero-section.scrolled {
    transform: translateY(-100vh);
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.15), rgba(56, 103, 214, 0.1));
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    z-index: 2;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 30px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* 主要内容区域 */
.main-content {
    position: relative;
    z-index: 2;
  
    background-color: #f8f9fa;
}

.main-shouyecontent {
    position: relative;
    z-index: 2;
   
    background-color: #f8f9fa;
    padding-top: 60px;
}

body {
    padding-top: 80px;
}

.hero-spacer {
    height: 100vh;
    transition: height 0.6s ease;
}

.hero-spacer.scrolled {
    height: 0;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: #3867d6;
    color: white;
}

.btn-primary:hover {
    background-color: #4b7bec;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(56, 103, 214, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: #3867d6;
    border: 2px solid #3867d6;
}

.btn-secondary:hover {
    background-color: #3867d6;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(56, 103, 214, 0.3);
}

/* 个人简介区�?*/
.intro-section {
    background-color: white;
    padding: 80px 0;
    border-radius: 10px;
    margin: 0 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.intro-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #3867d6;
    margin-bottom: 40px;
    font-weight: 700;
}

.intro-card {
    display: flex;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
    justify-content: center;
}

.intro-image {
    flex: 0 0 200px;
}

.intro-image img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid #e9ecef;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.intro-info {
    flex: 1;
    min-width: 300px;
}

.intro-info h3 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 10px;
}

.intro-info p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 20px;
    line-height: 1.8;
}

/* 研究领域区域 */
.features-section {
    background-color: #f8f9fa;
    padding: 80px 0;
    margin-top: 40px;
}

.features-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #3867d6;
    margin-bottom: 40px;
    font-weight: 700;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(56, 103, 214, 0.15);
}

.feature-card h3 {
    font-size: 1.5rem;
    color: #3867d6;
    margin-bottom: 15px;
    font-weight: 600;
}

.feature-card p {
    font-size: 1rem;
    color: #666;
    margin-bottom: 20px;
    line-height: 1.7;
}

/* 页脚样式 */
.footer {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 40px 0;
    margin-top: 60px;
}

.footer .container {
    text-align: center;
}

.footer p {
    margin: 0;
    font-size: 1rem;
}

/* 响应式设�?*/
@media (max-width: 768px) {
    .navbar-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background-color: white;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        transition: left 0.3s ease;
        z-index: 999;
    }

    .navbar-menu.active {
        left: 0;
    }

    .navbar-menu ul {
        flex-direction: column;
        padding: 20px;
    }

    .navbar-menu li {
        margin: 15px 0;
    }

    .navbar-toggle {
        display: flex;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.2rem;
    }

    .intro-section h2,
    .features-section h2 {
        font-size: 2rem;
    }

    .intro-card {
        text-align: center;
    }

    .intro-image {
        margin-bottom: 20px;
    }

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

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }

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

    .intro-section,
    .features-section {
        padding: 50px 0;
    }

    .feature-card {
        padding: 20px;
    }
}

/* 平滑滚动效果 */
html {
    scroll-behavior: smooth;
}

/* 卡片通用样式 */
.card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

/* 文章内容样式 */
.article-content {
    line-height: 1.8;
    color: #333;
}

.article-content h2 {
    color: #3867d6;
    margin-top: 30px;
    margin-bottom: 15px;
    font-weight: 700;
}

.article-content h3 {
    color: #4b7bec;
    margin-top: 25px;
    margin-bottom: 10px;
    font-weight: 600;
}

.article-content p {
    margin-bottom: 15px;
    color: #666;
}

.article-content ul,
.article-content ol {
    margin-bottom: 15px;
    padding-left: 20px;
    color: #666;
}

.article-content li {
    margin-bottom: 8px;
}

/* 图片容器样式 */
.img-container {
    text-align: center;
    margin: 20px 0;
}

.img-container img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.img-container figcaption {
    margin-top: 10px;
    font-size: 0.9rem;
    color: #666;
    font-style: italic;
}






















.page-header {
    position: relative;
    height: 620px;     
	margin-top: 100px;     /* ͷͼ�߶ȣ������е��� */
    background-size: cover;            /* ͼƬ���� */
    background-position: center;       /* ͼƬ���� */
    background-repeat: no-repeat;
}

.page-header2 {
    position: relative;
    height: 620px;     
    background-size: cover;            /* ͼƬ���� */
    background-position: center;       /* ͼƬ���� */
    background-repeat: no-repeat;
}

.header-profile {
    background-image: url("jianghua.jpg");
}

.header-llm {
    background-image: url("llm.webp");
}

.header-resource {
    background-image: url("resource.jpg");
}

.header-contact{
    background-image: url("contact.jpg");
	background-position: center 100%;
}
.header-wenxian {
    background-image: url("wenxian.webp");
}

/* ���½����� */
.page-header .header-content {
    position: absolute;
    left: 40px;
    bottom: 30px;
    color: #ffffff;
    max-width: 600px;
}

.page-header2 .header-content {
    position: absolute;
    left: 40px;
    bottom: 30px;
    color: #ffffff;
    max-width: 600px;
}

/* ���ܱ䰵�����֣�����Ч���� */
.page-header::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(
        ellipse at center,
        rgba(0, 0, 0, 0.15) 0%,
        rgba(0, 0, 0, 0.35) 55%,
        rgba(0, 0, 0, 0.6) 100%
    );
    z-index: 0;
}


/* ���ܱ䰵�����֣�����Ч���� */
.page-header2::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(
        ellipse at center,
        rgba(0, 0, 0, 0.15) 0%,
        rgba(0, 0, 0, 0.35) 55%,
        rgba(0, 0, 0, 0.6) 100%
    );
    z-index: 0;
}
/* ������ʽ */
.page-header h1 {
    font-size: 3rem;
    margin-bottom: 10px;
}

/* �������� */
.page-header p {
    font-size: 1.5rem;
    line-height: 1.6;
}


/* ������ʽ */
.page-header2 h1 {
    font-size: 3rem;
    margin-bottom: 10px;
}

/* �������� */
.page-header2 p {
    font-size: 1.5rem;
    line-height: 1.6;
}


.video-section {
    display: flex;
    flex-direction: row;      /* �������� */
    justify-content: center;  /* ����������Ƶ�� */
    gap: 40px;                /* ������Ƶ֮��ļ�࣬�ɵ� */
    flex-wrap: wrap;          /* խ��ʱ�Զ����� */
    margin: 60px auto;
}


.video-section h2 {
    width: 100%;
    text-align: center;
    margin: 0;              /* ȥ��Ĭ����߾�?*/
}

.page-video {
    width: 100%;
    max-width: 550px;         /* ÿ����Ƶ�����ȣ��ɸ�����Ҫ���� */
}

.video-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #3867d6;
    margin-bottom: 30px;
    text-align: center;
}












/* 关于页面样式 */
.about-section {
    padding: 60px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
    align-items: start;
}

@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
}

.profile-card {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    padding: 30px;
}

.profile-image {
    text-align: center;
    margin-bottom: 20px;
}

.profile-image img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid #e9ecef;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.profile-info {
    text-align: center;
    margin-bottom: 30px;
}

.profile-info h2 {
    color: #3867d6;
    margin-bottom: 10px;
    font-size: 1.8rem;
}

.profile-info p {
    color: #666;
    margin-bottom: 5px;
}

.profile-contact h3 {
    color: #3867d6;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.profile-contact ul {
    list-style: none;
    padding: 0;
}

.profile-contact li {
    margin-bottom: 10px;
    color: #666;
}

.profile-contact li strong {
    color: #333;
}

.about-content {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 40px;
}

.about-section-item {
    margin-bottom: 40px;
}

.about-section-item h2 {
    color: #3867d6;
    margin-bottom: 20px;
    font-size: 2rem;
}

/* 时间线样�?*/
.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: #00509e;
}

.timeline-item {
    position: relative;
    margin-bottom: 30px;
	padding-left: 40px;
}

.school-logo {
    position: absolute;
    top: 16px;
    right: 16px;

    width: 60px;       /* �Ƽ� 40�C56px */
    height: auto;

    opacity: 0.85;     /* ���������� */
}


.timeline-date {
    position: absolute;
    left: -30px;
    top: 0;
    background-color: #00509e;
    color: white;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.timeline-content {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.timeline-content h3 {
    color: #3867d6;
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.timeline-content p {
    color: #666;
    margin-bottom: 5px;
}

/* 技能网格样�?*/
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.skill-category h3 {
    color: #3867d6;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.skill-list {
    list-style: none;
    padding: 0;
}

.skill-list li {
    margin-bottom: 10px;
    color: #666;
    position: relative;
    padding-left: 20px;
}

.skill-list li::before {
    content: '�?;
    color: #00509e;
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* 项目网格样式 */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.project-card {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.project-card h3 {
    color: #3867d6;
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.project-date {
    color: #00509e;
    font-size: 0.9rem;
    margin-bottom: 10px;
    font-weight: 500;
}

.project-date strong {
    color: #e74c3c;
}
.project-card p {
    color: #666;
    margin-bottom: 15px;
}

.project-card ul {
    list-style: none;
    padding: 0;
}

.project-card ul li {
    margin-bottom: 8px;
    color: #666;
    position: relative;
    padding-left: 20px;
}

.project-card ul li::before {
    content: '�?;
    color: #00509e;
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* 获奖列表样式 */
.awards-list {
    list-style: none;
    padding: 0;
}

.awards-list li {
    margin-bottom: 15px;
    color: #666;
    position: relative;
    padding-left: 30px;
}

.awards-list li::before {
    content: '🏆';
    position: absolute;
    left: 0;
    top: -2px;
}

/* 大语言模型页面样式 */
.llm-section {
    padding: 60px 0;
	background-color: #F5F2EF;
}
.llm-section2 {
    padding: 60px 0;
}
.llm-section h2 {
    color: #3867d6;
    margin-bottom: 30px;
    font-size: 2.5rem;
    text-align: center;
}
.llm-section2 h2 {
    color: #3867d6;
    margin-bottom: 30px;
    font-size: 2.5rem;
    text-align: center;
}

.llm-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

@media (max-width: 768px) {
    .llm-grid {
        grid-template-columns: 1fr;
    }
}

.llm-card {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
}

.llm-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.llm-header {
    background-color: #00509e;
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.llm-header h3 {
    margin: 0;
    font-size: 1.5rem;
}

.llm-developer {
    background-color: rgba(255, 255, 255, 0.2);
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.llm-content {
    padding: 25px;
}

.llm-content p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.7;
}

.llm-content h4 {
    color: #00509e;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.llm-content ul {
    list-style: none;
    padding: 0;
    margin-bottom: 20px;
}

.llm-content ul li {
    margin-bottom: 10px;
    color: #666;
    position: relative;
    padding-left: 20px;
}

.llm-content ul li::before {
    content: '�?;
    color: #00509e;
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* 趋势预测样式 */
.llm-trends {
    margin-top: 40px;
}

.trends-section h3 {
    color: #3867d6;
    margin-bottom: 25px;
    font-size: 2rem;
    text-align: center;
}

.trend-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.trend-card {
    background-color: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.trend-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.trend-card h4 {
    color: #00509e;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.trend-card p {
    color: #666;
    line-height: 1.7;
}

/* 评测表格样式 */
.evaluation-section h3 {
    color: #3867d6;
    margin-bottom: 25px;
    font-size: 2rem;
    text-align: center;
}

.evaluation-table {
    overflow-x: auto;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 20px;
}

.evaluation-table table {
    width: 100%;
    border-collapse: collapse;
}

.evaluation-table th,
.evaluation-table td {
    padding: 15px;
    text-align: center;
    border-bottom: 1px solid #e9ecef;
}

.evaluation-table th {
    background-color: #3867d6;
    color: white;
    font-weight: 600;
}

.evaluation-table tr:last-child td {
    border-bottom: none;
}

.evaluation-table tr:hover {
    background-color: #f8f9fa;
}

/* 页面间距统一调整 */
h2 {
    margin-bottom: 30px !important;
}

/* 新闻板块样式 */
.news-section {
    padding: 60px 0;
    background-color: #F5F2EF;
}

.news-section h2 {
    color: #3867d6;
    margin-bottom: 30px;
    font-size: 2.5rem;
    text-align: center;
    font-weight: 700;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.news-card {
    background-color: #f8f9fa;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.news-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.news-image {
    overflow: hidden;
    height: 200px;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.news-card:hover .news-image img {
    transform: scale(1.05);
}

.news-content {
    padding: 20px;
}

.news-content h3 {
    margin-bottom: 10px;
    font-size: 1.3rem;
    font-weight: 600;
}

.news-content h3 a {
    color: #3867d6;
    text-decoration: none;
    transition: color 0.3s ease;
}

.news-content h3 a:hover {
    color: #4b7bec;
    text-decoration: underline;
}

.news-content p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 15px;
}

.news-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 10px;
    font-size: 0.8rem;
    color: #6c757d;
}

.news-author {
    font-weight: 500;
}

.news-date {
    display: inline-block;
    color: #999;
    font-size: 0.8rem;
}

.news-tags {
    margin-top: 15px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.news-tags .tag {
    background-color: #e9ecef;
    color: #495057;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.news-tags .tag:hover {
    background-color: #dee2e6;
    transform: translateY(-1px);
}

/* 案例板块样式 */
.cases-section {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.cases-section h2 {
    color: #3867d6;
    margin-bottom: 30px;
    font-size: 2.5rem;
    text-align: center;
    font-weight: 700;
}

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

.case-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.case-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.case-image {
    overflow: hidden;
    height: 180px;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.case-card:hover .case-image img {
    transform: scale(1.05);
}

.case-content {
    padding: 20px;
}

.case-content h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
    font-weight: 600;
}

.case-content h3 a {
    color: #3867d6;
    text-decoration: none;
    transition: color 0.3s ease;
}

.case-content h3 a:hover {
    color: #4b7bec;
    text-decoration: underline;
}

.case-content p {
    color: #666;
    line-height: 1.7;
}

/* 资源分享页面样式 */
.resources-section {
    padding: 60px 0;
}

.resources-section h2 {
    color: #3867d6;
    margin-bottom: 30px;
    font-size: 2.5rem;
    text-align: center;
    font-weight: 700;
}

/* 笔记展示区样�?*/
.notes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.note-card {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
}

.note-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(56, 103, 214, 0.15);
}

.note-header {
    background-color: #3867d6;
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.note-header h3 {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 600;
}

.note-date {
    font-size: 0.8rem;
    opacity: 0.9;
}

.note-content {
    padding: 20px;
}

.note-content p {
    color: #666;
    line-height: 1.7;
    margin: 0;
}

.note-footer {
    padding: 0 20px 20px;
    text-align: right;
}

/* 学习资源链接区样�?*/
.resource-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.resource-category {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 30px;
}

.resource-category h3 {
    color: #3867d6;
    margin-bottom: 20px;
    font-size: 1.5rem;
    font-weight: 600;
}

.resource-list {
    list-style: none;
    padding: 0;
}

.resource-list li {
    margin-bottom: 15px;
}

.resource-link {
    display: flex;
    flex-direction: column;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 8px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.resource-link:hover {
    background-color: #e9ecef;
    transform: translateX(10px);
    border-left-color: #3867d6;
}

.resource-title {
    font-weight: 600;
    color: #3867d6;
    margin-bottom: 5px;
}

.resource-desc {
    font-size: 1rem;
    color: #666;
}

/* 实用工具区样�?*/
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.tool-card {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 30px;
    display: flex;
    gap: 20px;
    transition: all 0.3s ease;
    align-items: flex-start;
	
   
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(56, 103, 214, 0.15);
}

.tool-icon {
    font-size: 3rem;
    flex-shrink: 0;
}

.tool-info {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.tool-info h3 {
    color: #3867d6;
    margin-bottom: 10px;
    font-size: 1.3rem;
    font-weight: 600;
}

.icon {
    width: 45px;
    height: 45px;
    vertical-align: middle;
    margin-right: 8px;
}

.tool-info p {
    color: #666;
    margin-bottom: 0;
    line-height: 1.7;
    flex-grow: 1;
}

.tool-info .tool-link {
    align-self: flex-end;
    margin-top: 15px;
}

.tool-link {
    color: #3867d6;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.tool-link:hover {
    color: #4b7bec;
    transform: translateX(5px);
}

.tool-link::after {
    content: '�?;
    transition: transform 0.3s ease;
}

.tool-link:hover::after {
    transform: translateX(5px);
}

/* 联系方式页面样式 */
.contact-section {
    padding: 60px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 40px;
    align-items: start;
}

@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

.contact-info {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 30px;
}

.contact-info h2 {
    color: #3867d6;
    margin-bottom: 30px;
    font-size: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item h3 {
    color: #3867d6;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.contact-item p {
    color: #666;
    margin-bottom: 5px;
}

.social-links {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.social-link {
    color: #3867d6;
    text-decoration: none;
    padding: 8px 15px;
    border: 2px solid #3867d6;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.social-link:hover {
    background-color: #3867d6;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(56, 103, 214, 0.3);
}

.contact-form {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 30px;
}

.contact-form h2 {
    color: #3867d6;
    margin-bottom: 30px;
    font-size: 2rem;
}

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

.form-group label {
    display: block;
    color: #333;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    color: #333;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3867d6;
    box-shadow: 0 0 0 3px rgba(56, 103, 214, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}
/* ���м��ܰ��?*/
.research-skills {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px 32px;
    margin-top: 24px;
}

.research-skill {
    display: flex;
    flex-direction: column;
    padding-left: 12px;
    border-left: 3px solid #2b6cb0; /* ��վ����ɫһ�¼��� */
}

.research-skill .skill-title {
    font-weight: 600;
    font-size: 20px;
    color: #2d3748;
    margin-bottom: 4px;
}

.research-skill .skill-desc {
    font-size: 16px;
    color: #4a5568;
    line-height: 1.6;
}

/* С��Ļ����Ӧ */
@media (max-width: 768px) {
    .research-skills {
        grid-template-columns: 1fr;
    }
}