/* 传记页面特定样式 */
.breadcrumb {
    padding: 15px 0;
    font-size: 14px;
    color: #666;
}

.breadcrumb a {
    color: #2c3e50;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* 修改banner高度为原来的1/3 */
.banner {
    min-height: 33.33vh; /* 原来的1/3 */
}

.intro-section {
    padding: 60px 0;
    background-color: white; /* 改为白色 */
}

.academic-journey {
    padding: 80px 0;
    background-color: white; /* 改为白色 */
}

/* 大区域标题改为绿色 */
.academic-journey h2,
.institute-section h2,
.mission-section h2,
.related-links h3,
/* 添加：Starting Point and Original Intention, Key Milestones and Evolution */
.academic-journey h3 {
    color: #37883f; /* 主色 */
}

.video-preview {
    margin-bottom: 40px;
    text-align: center;
}

.video-container {
    max-width: 800px;
    margin: 0 auto 20px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.video-caption {
    color: #666;
    font-style: italic;
}

.timeline {
    position: relative;
    max-width: 1200px;
    margin: 60px auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 6px;
    background-color: #e9ecef;
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -3px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
    box-sizing: border-box;
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-content {
    padding: 20px 30px;
    background-color: white;
    position: relative;
    border-radius: 6px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
    border-left: 4px solid #37883f; /* 主色 */
}

.timeline-item:nth-child(even) .timeline-content {
    border-left: none;
    border-right: 4px solid #37883f; /* 主色 */
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 25px;
    right: -13px;
    background-color: white;
    border: 4px solid #37883f; /* 主色 */
    top: 15px;
    border-radius: 50%;
    z-index: 1;
}

.timeline-item:nth-child(even)::after {
    left: -12px;
}

.timeline-year {
    font-weight: bold;
    color: #37883f; /* 主色 */
    margin-bottom: 10px;
    font-size: 18px;
}

.timeline-title {
    font-size: 20px;
    margin-bottom: 10px;
    color: #2c3e50;
}

/* 原有的时间线样式保持不变 */
.timeline-verification {
    background-color: #e8f5e8; /* 改为淡绿色 */
    padding: 10px 15px;
    border-radius: 4px;
    margin-top: 15px;
    border-left: 3px solid #DB0058; /* 改为玫红色 */
}

.institute-section {
    padding: 80px 0;
    background-color: white; /* 改为白色 */
}

.golden-triangle {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.triangle-item {
    text-align: center;
    max-width: 250px;
}

.triangle-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background-color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border: 3px solid #e9ecef;
}

.triangle-circle i {
    font-size: 40px;
    color: #37883f; /* 主色 */
}

.mission-section {
    padding: 80px 0;
    text-align: center;
    background-color: white; /* 改为白色 */
}

.mission-quote {
    max-width: 800px;
    margin: 0 auto;
    font-size: 20px;
    line-height: 1.6;
    color: #2c3e50;
    font-style: italic;
}

.related-links {
    padding: 60px 0;
    background-color: white; /* 改为白色 */
    text-align: center;
}

.link-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.link-item {
    font-weight: bold;
    text-decoration: none;
    color: #2c3e50;
    border-bottom: 2px solid transparent;
    transition: border-color 0.3s;
    padding-bottom: 5px;
}

/* 按钮样式调整 */
.btn-primary {
    background-color: #37883f; /* 主色 */
    border-color: #37883f; /* 主色 */
}

.btn-primary:hover {
    background-color: #2d6c33; /* 主色深色变体 */
    border-color: #2d6c33; /* 主色深色变体 */
}

.btn-accent {
    background-color: #DB0058; /* 点缀色 */
    border-color: #DB0058; /* 点缀色 */
}

.btn-accent:hover {
    background-color: #b8004a; /* 点缀色深色变体 */
    border-color: #b8004a; /* 点缀色深色变体 */
}

.btn-outline {
    color: #37883f; /* 主色 */
    border-color: #37883f; /* 主色 */
}

.btn-outline:hover {
    background-color: #37883f; /* 主色 */
    color: white;
}

/* 移除导航栏中本页面的高亮效果 */
.nav-links li.active a {
    color: inherit; /* 恢复默认颜色 */
}

/* 页脚链接颜色 */
.footer-links a:hover {
    color: #37883f; /* 主色 */
}

/* 社交媒体图标悬停效果 */
.social-links a:hover {
    color: #DB0058; /* 点缀色 */
}

/* 响应式调整 */
@media screen and (max-width: 672px) {
    .banner {
        min-height: 25vh; /* 移动端进一步减小高度 */
    }
    
    .timeline::after {
        left: 27.12px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 61.25px;
        padding-right: 21.88px;
    }
    
    .timeline-item:nth-child(even) {
        left: 0;
    }
    
    .timeline-item::after {
        left: 15.75px;
        right: auto;
    }
    
    .timeline-item:nth-child(odd)::after,
    .timeline-item:nth-child(even)::after {
        left: 15.75px;
    }
    
    .timeline-content {
        border-left: 3.5px solid #37883f !important; /* 主色 */
        border-right: none !important;
    }
    
    .golden-triangle {
        flex-direction: column;
        align-items: center;
    }
}

/* Video and Starting Point container */
.video-starting-container {
    display: flex;
    gap: 40px;
    margin-bottom: 60px;
    align-items: flex-start;
}

.video-preview {
    flex: 1;
    margin-bottom: 0;
}

.starting-point {
    flex: 1;
    max-width: none;
    margin: 0;
}

/* Responsive adjustments */
@media screen and (max-width: 992px) {
    .video-starting-container {
        flex-direction: column;
        gap: 30px;
    }
    
    .video-preview,
    .starting-point {
        flex: none;
        width: 100%;
    }
}

/* 添加与conference.html相同的banner样式 */
.page-header {
    background: linear-gradient(135deg, #1a4d2a 0%, #2E8B57 50%, #1a4d2a 100%);
    padding: 64px 0 96px;
    position: relative;
    overflow: hidden;
    margin-bottom: 0;
}

.page-header .container {
    position: relative;
    z-index: 2;
    max-width: 1200px;
}

/* 面包屑导航 */
.breadcrumb {
    display: flex;
    align-items: center;
    margin-bottom: 32px;
    font-size: 14.4px;
    justify-content: flex-start;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: white;
}

.breadcrumb .separator {
    margin: 0 8px;
    color: rgba(255, 255, 255, 0.6);
}

.breadcrumb .current {
    color: white;
    font-weight: 500;
}

/* Banner内容 */
.banner-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.page-header h1 {
    font-size: 44.8px;
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    line-height: 1.1;
    white-space: nowrap;
}

.page-subtitle {
    font-size: 19.2px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    max-width: 600px;
    margin: 0 auto;
}

/* 背景图形元素 */
.banner-graphics {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.graphic-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(233, 30, 99, 0.1);
    animation: float 6s ease-in-out infinite;
}

.circle-1 {
    width: 120px;
    height: 120px;
    top: 20%;
    right: 15%;
    animation-delay: 0s;
}

.circle-2 {
    width: 80px;
    height: 80px;
    top: 60%;
    right: 25%;
    background: rgba(233, 30, 99, 0.15);
    animation-delay: 2s;
}

.graphic-line {
    position: absolute;
    background: rgba(233, 30, 99, 0.2);
    animation: float 8s ease-in-out infinite;
}

.line-1 {
    width: 2px;
    height: 200px;
    top: 10%;
    right: 30%;
    animation-delay: 1s;
}

.graphic-dna {
    position: absolute;
    width: 150px;
    height: 300px;
    top: 50%;
    right: 10%;
    transform: translateY(-50%);
    opacity: 0.1;
}

.graphic-dna::before {
    content: "";
    position: absolute;
    width: 2px;
    height: 100%;
    background: white;
    left: 50%;
    transform: translateX(-50%);
}

.graphic-dna::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 20%, rgba(233, 30, 99, 0.3) 3px, transparent 3px),
        radial-gradient(circle at 70% 40%, rgba(233, 30, 99, 0.3) 3px, transparent 3px),
        radial-gradient(circle at 30% 60%, rgba(233, 30, 99, 0.3) 3px, transparent 3px),
        radial-gradient(circle at 70% 80%, rgba(233, 30, 99, 0.3) 3px, transparent 3px);
    animation: dna-float 10s ease-in-out infinite;
}

/* 动画效果 */
@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

@keyframes dna-float {
    0%, 100% {
        transform: translateY(-50%) rotate(0deg);
    }
    50% {
        transform: translateY(-50%) rotate(10deg);
    }
}

/* 响应式设计 */
@media (max-width: 1100px) {
    .page-header h1 {
        font-size: 40px;
    }
}

@media (max-width: 992px) {
    .page-header h1 {
        white-space: normal;
        font-size: 36.8px;
    }
}

@media (max-width: 672px) {
    .page-header {
        padding: 42px 0 56px;
        text-align: center;
    }
    
    .banner-content {
        text-align: center;
    }
    
    .page-header h1 {
        font-size: 28px;
        white-space: normal;
    }
    
    .page-subtitle {
        font-size: 15.4px;
    }
    
    .circle-1,
    .circle-2,
    .line-1,
    .graphic-dna {
        display: none;
    }
}

@media (max-width: 420px) {
    .page-header {
        padding: 28px 0 42px;
    }
    
    .page-header h1 {
        font-size: 25.2px;
    }
    
    .page-subtitle {
        font-size: 14px;
    }
}

/* 移除原来的banner样式 */
.banner {
    display: none;
}

/* 如果需要，可以移除原来的breadcrumb样式 */
.breadcrumb:not(.page-header .breadcrumb) {
    display: none;
}

/* 高亮时间线条目 */
.timeline-highlight {
    position: relative;
    background: linear-gradient(135deg, #f8fff8 0%, #f0f9f0 100%);
    border: 2px solid #37883f !important;
    box-shadow: 0 5px 20px rgba(55, 136, 63, 0.15) !important;
    transform: scale(1.02);
    z-index: 2;
}

/* 模型诞生徽章 */
.model-birth-badge {
    display: inline-block;
    background: linear-gradient(135deg, #DB0058 0%, #e91e63 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 14px;
    margin: 10px 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 3px 10px rgba(219, 0, 88, 0.3);
    animation: pulse 2s infinite;
}

/* 学术优先权声明 */
.priority-statement {
    background-color: #fff9f0;
    padding: 12px 16px;
    border-radius: 6px;
    margin-top: 15px;
    border-left: 4px solid #ff9800;
    font-style: italic;
}

.priority-statement strong {
    color: #ff9800;
}

/* 脉冲动画效果 */
@keyframes pulse {
    0% {
        box-shadow: 0 3px 10px rgba(219, 0, 88, 0.3);
    }
    50% {
        box-shadow: 0 3px 20px rgba(219, 0, 88, 0.5);
    }
    100% {
        box-shadow: 0 3px 10px rgba(219, 0, 88, 0.3);
    }
}

/* 确保高亮效果在移动端也适用 */
@media screen and (max-width: 672px) {
    .timeline-highlight {
        transform: none;
        margin: 4.38px 0;
    }
    
    .model-birth-badge {
        font-size: 10.5px;
        padding: 5.25px 10.5px;
    }
}

/* 机构名称绿色样式 - 增强版 */
.institute-name {
    color: #37883f;
    font-weight: 600; /* 稍微增加字体粗细 */
    padding: 2px 4px;
    border-radius: 3px;
    background-color: rgba(55, 136, 63, 0.05); /* 添加非常淡的绿色背景 */
}

/* 稍强一点的简约高亮效果 */
.highlight-text {
    font-size: 1.15em;
    font-weight: 700;
    text-decoration: underline;
    text-decoration-color: #DB0058; /* 玫红色 */
    text-decoration-thickness: 3px;
    text-underline-offset: 4px;
    color: #2c3e50;
}

/* "So terrifying!" 强调效果 */
.terrifying-quote {
    font-size: 1.3em;
    font-weight: 700;
    color: #2c3e50; /* 改为深灰色，与网站文本颜色一致 */
    text-align: center;
    margin: 20px 0;
    font-style: italic;
    letter-spacing: 0.5px;
}

/* 简约现代风格 */
.triangle-circle {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    border: 2px solid #f0f0f0;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}

.triangle-circle::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    background: conic-gradient(from 0deg, #37883f, #2E8B57, #37883f);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.triangle-circle:hover::before {
    opacity: 0.1;
}

.triangle-circle:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 15px 40px rgba(55, 136, 63, 0.2);
    border-color: #37883f;
}

/* 优化后的简约现代风格 */
.triangle-circle {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    border: 2px solid #f0f0f0;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
    padding: 20px; /* 添加内边距确保留白 */
}

.triangle-circle::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    background: conic-gradient(from 0deg, #37883f, #2E8B57, #37883f);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.triangle-circle:hover::before {
    opacity: 0.1;
}

.triangle-circle:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 15px 40px rgba(55, 136, 63, 0.2);
    border-color: #37883f;
}

/* 图标样式优化 - 确保比例一致且留有足够留白 */
.triangle-icon {
    max-width: 70px; /* 限制最大宽度，确保不会撑满 */
    max-height: 70px; /* 限制最大高度 */
    width: auto;
    height: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
    filter: brightness(0.9);
}

.triangle-circle:hover .triangle-icon {
    transform: scale(1.1);
    filter: brightness(1);
}

/* 响应式调整 */
@media screen and (max-width: 672px) {
    .triangle-circle {
        width: 105px;
        height: 105px;
        padding: 13.12px;
    }
    
    .triangle-icon {
        max-width: 52.5px;
        max-height: 52.5px;
    }
}

/* 相关链接样式 */
.link-item {
    font-weight: 600;
    text-decoration: none;
    color: #37883f; /* 默认绿色 */
    padding-bottom: 3px;
    border-bottom: 2px solid transparent;
    transition: border-color 0.3s ease;
    font-size: 1.1em;
}

/* TRCS Model 链接使用玫红色 */
.link-item.trcs-model {
    color: #DB0058; /* 玫红色 */
}

/* 增强版相关链接样式 */
.link-item {
    font-weight: 600;
    position: relative;
    text-decoration: none; /* 默认状态下没有下划线 */
    font-size: 1.1em;
    transition: all 0.2s ease;
}

.link-item.trcs-model {
    color: #DB0058;
}

.link-item:not(.trcs-model) {
    color: #37883f;
}

.link-item:hover,
.link-item:active,
.link-item:focus {
    text-decoration: underline;
    text-decoration-color: currentColor;
    text-underline-offset: 3px; /* 控制下划线位置 */
    text-decoration-thickness: 2px; /* 控制下划线粗细 */
}

/* 社交媒体图标样式 - 无悬停效果 */
.social-links a {
    color: white;
}

.social-links a:hover {
    color: white;
    /* 不添加任何其他效果 */
}

.timeline-title {
    font-size: 20px;
    margin-bottom: 10px;
    color: #37883f; /* 改为绿色 */
}

/* 确保高亮节点中的标题也保持绿色 */
.timeline-highlight .timeline-title {
    color: #37883f; /* 绿色 */
}

/* 金三角机构图标链接样式 */
.logo-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    text-decoration: none;
    color: inherit;
}

/* 确保占位符logo在链接内正确显示 */
.placeholder-logo {
    text-align: center;
    color: #37883f;
}

.placeholder-logo i {
    font-size: 40px;
    display: block;
    margin-bottom: 8px;
}

.placeholder-logo span {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 确保图标在链接内正确显示 */
.triangle-circle .logo-link .triangle-icon {
    max-width: 70px;
    max-height: 70px;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
    filter: brightness(0.9);
}

/* 悬停效果 */
.triangle-circle:hover .logo-link .triangle-icon {
    transform: scale(1.1);
    filter: brightness(1);
}

.triangle-circle:hover .logo-link .placeholder-logo {
    color: #2d6c33; /* 悬停时颜色稍微变深 */
}

/* 时间线外部论文缩略图样式 */
.timeline-external-paper {
    display: none; /* 默认隐藏，在桌面端显示 */
    position: absolute;
    width: 180px;
    top: 20px;
    text-align: center;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    background: white;
    padding: 8px;
    border: 1px solid #e9ecef;
    z-index: 2;
}

.timeline-external-paper img {
    width: 100%;
    height: auto;
    border-radius: 4px;
}

.timeline-external-paper .paper-caption {
    font-size: 12px;
    color: #666;
    margin-top: 8px;
    font-style: italic;
    line-height: 1.4;
}

/* 桌面端显示外部论文缩略图 */
@media screen and (min-width: 769px) {
    .timeline-external-paper {
        display: block;
    }
    
    /* 左侧节点（奇数）的论文图放在右侧 */
    .timeline-item:nth-child(odd) .timeline-external-paper {
        right: -200px;
    }
    
    /* 右侧节点（偶数）的论文图放在左侧 */
    .timeline-item:nth-child(even) .timeline-external-paper {
        left: -200px;
    }
}

/* 移动端隐藏外部论文缩略图 */
@media screen and (max-width: 672px) {
    .timeline-external-paper {
        display: none;
    }
}

/* 时间线外部论文缩略图样式 - 适中尺寸 */
.timeline-external-paper {
    display: none; /* 默认隐藏，在桌面端显示 */
    position: absolute;
    width: 220px; /* 从250px调整到220px */
    top: 20px;
    text-align: center;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    background: white;
    padding: 10px; /* 稍微减小内边距 */
    border: 1px solid #e9ecef;
    z-index: 2;
}

.timeline-external-paper img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    transition: transform 0.3s ease;
}

.timeline-external-paper:hover img {
    transform: scale(1.03);
}

.timeline-external-paper .paper-caption {
    font-size: 12px; /* 恢复原来的字体大小 */
    color: #666;
    margin-top: 8px;
    font-style: italic;
    line-height: 1.4;
}

/* 桌面端显示外部论文缩略图 */
@media screen and (min-width: 769px) {
    .timeline-external-paper {
        display: block;
    }
    
    /* 左侧节点（奇数）的论文图放在右侧 */
    .timeline-item:nth-child(odd) .timeline-external-paper {
        right: -240px; /* 从-270px调整到-240px */
    }
    
    /* 右侧节点（偶数）的论文图放在左侧 */
    .timeline-item:nth-child(even) .timeline-external-paper {
        left: -240px; /* 从-270px调整到-240px */
    }
}

/* 对于特别大的屏幕，可以稍微放大 */
@media screen and (min-width: 1200px) {
    .timeline-external-paper {
        width: 240px; /* 从280px调整到240px */
    }
    
    .timeline-item:nth-child(odd) .timeline-external-paper {
        right: -260px; /* 从-300px调整到-260px */
    }
    
    .timeline-item:nth-child(even) .timeline-external-paper {
        left: -260px; /* 从-300px调整到-260px */
    }
}

/* 移动端隐藏外部论文缩略图 */
@media screen and (max-width: 672px) {
    .timeline-external-paper {
        display: none;
    }
}

/* 时间线外部论文缩略图样式 - 绿色主题 */
.timeline-external-paper {
    display: none; /* 默认隐藏，在桌面端显示 */
    position: absolute;
    width: 220px;
    top: 20px;
    text-align: center;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(55, 136, 63, 0.15); /* 使用绿色阴影 */
    background: white;
    padding: 10px;
    border: 2px solid #e8f5e8; /* 使用淡绿色边框 */
    z-index: 2;
    transition: all 0.3s ease;
}

.timeline-external-paper:hover {
    border-color: #37883f; /* 悬停时使用主绿色 */
    box-shadow: 0 6px 20px rgba(55, 136, 63, 0.2); /* 悬停时增强绿色阴影 */
}

.timeline-external-paper img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    transition: transform 0.3s ease;
}

.timeline-external-paper:hover img {
    transform: scale(1.03);
}

.timeline-external-paper .paper-caption {
    font-size: 12px;
    color: #37883f; /* 使用绿色文字 */
    margin-top: 8px;
    font-style: italic;
    line-height: 1.4;
    font-weight: 500;
}

/* 桌面端显示外部论文缩略图 */
@media screen and (min-width: 769px) {
    .timeline-external-paper {
        display: block;
    }
    
    /* 左侧节点（奇数）的论文图放在右侧 */
    .timeline-item:nth-child(odd) .timeline-external-paper {
        right: -240px;
    }
    
    /* 右侧节点（偶数）的论文图放在左侧 */
    .timeline-item:nth-child(even) .timeline-external-paper {
        left: -240px;
    }
}

/* 对于特别大的屏幕，可以稍微放大 */
@media screen and (min-width: 1200px) {
    .timeline-external-paper {
        width: 240px;
    }
    
    .timeline-item:nth-child(odd) .timeline-external-paper {
        right: -260px;
    }
    
    .timeline-item:nth-child(even) .timeline-external-paper {
        left: -260px;
    }
}

/* 移动端隐藏外部论文缩略图 */
@media screen and (max-width: 672px) {
    .timeline-external-paper {
        display: none;
    }
}

/* 时间线外部新闻报道缩略图样式 - 4:3比例，绿色主题 */
.timeline-external-news {
    display: none; /* 默认隐藏，在桌面端显示 */
    position: absolute;
    width: 240px; /* 稍微宽一点以适应4:3比例 */
    top: 20px;
    text-align: center;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(55, 136, 63, 0.15);
    background: white;
    padding: 10px;
    border: 2px solid #e8f5e8;
    z-index: 2;
    transition: all 0.3s ease;
}

.timeline-external-news:hover {
    border-color: #37883f;
    box-shadow: 0 6px 20px rgba(55, 136, 63, 0.2);
}

.timeline-external-news img {
    width: 100%;
    height: 180px; /* 固定高度以实现4:3比例 (240x180) */
    object-fit: cover; /* 确保图片填满容器并保持比例 */
    border-radius: 4px;
    transition: transform 0.3s ease;
}

.timeline-external-news:hover img {
    transform: scale(1.03);
}

.timeline-external-news .news-caption {
    font-size: 12px;
    color: #37883f;
    margin-top: 8px;
    font-style: italic;
    line-height: 1.4;
    font-weight: 500;
}

/* 桌面端显示外部新闻报道缩略图 */
@media screen and (min-width: 769px) {
    .timeline-external-news {
        display: block;
    }
    
    /* 左侧节点（奇数）的新闻图放在右侧 */
    .timeline-item:nth-child(odd) .timeline-external-news {
        right: -260px;
    }
    
    /* 右侧节点（偶数）的新闻图放在左侧 */
    .timeline-item:nth-child(even) .timeline-external-news {
        left: -260px;
    }
}

/* 对于特别大的屏幕，可以稍微放大 */
@media screen and (min-width: 1200px) {
    .timeline-external-news {
        width: 260px;
    }
    
    .timeline-external-news img {
        height: 195px; /* 保持4:3比例 (260x195) */
    }
    
    .timeline-item:nth-child(odd) .timeline-external-news {
        right: -280px;
    }
    
    .timeline-item:nth-child(even) .timeline-external-news {
        left: -280px;
    }
}

/* 移动端隐藏外部新闻报道缩略图 */
@media screen and (max-width: 672px) {
    .timeline-external-news {
        display: none;
    }
}

/* 时间线外部论文水平排列样式 - 超大版本 */
.timeline-external-papers-horizontal {
    display: none; /* 默认隐藏，在桌面端显示 */
    position: absolute;
    width: 550px; /* 从450px增加到550px */
    top: 20px;
    text-align: center;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    gap: 20px; /* 进一步增加间距 */
}

.horizontal-paper {
    flex: 1; /* 每个论文项平均分配空间 */
    border-radius: 10px; /* 增加圆角 */
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(55, 136, 63, 0.2); /* 增强阴影 */
    background: white;
    padding: 15px; /* 进一步增加内边距 */
    border: 2px solid #e8f5e8;
    transition: all 0.3s ease;
    min-width: 0; /* 允许flex项缩小 */
}

.horizontal-paper:hover {
    border-color: #37883f;
    box-shadow: 0 8px 25px rgba(55, 136, 63, 0.25); /* 增强悬停阴影 */
    transform: translateY(-3px); /* 增强悬停上浮效果 */
}

.horizontal-paper img {
    width: 100%;
    height: auto;
    border-radius: 6px; /* 增加图片圆角 */
    transition: transform 0.3s ease;
}

.horizontal-paper:hover img {
    transform: scale(1.05); /* 增强悬停缩放效果 */
}

.horizontal-paper .paper-caption {
    font-size: 13px; /* 从12px增加到13px */
    color: #37883f;
    margin-top: 10px; /* 增加上边距 */
    font-style: italic;
    line-height: 1.4;
    font-weight: 600; /* 增加字体粗细 */
}

/* 桌面端显示外部论文水平排列 */
@media screen and (min-width: 769px) {
    .timeline-external-papers-horizontal {
        display: flex;
    }
    
    /* 左侧节点（奇数）的论文水平排列放在右侧 */
    .timeline-item:nth-child(odd) .timeline-external-papers-horizontal {
        right: -570px; /* 从-470px调整到-570px */
    }
    
    /* 右侧节点（偶数）的论文水平排列放在左侧 */
    .timeline-item:nth-child(even) .timeline-external-papers-horizontal {
        left: -570px; /* 从-470px调整到-570px */
    }
}

/* 对于特别大的屏幕，可以稍微调整 */
@media screen and (min-width: 1200px) {
    .timeline-external-papers-horizontal {
        width: 600px; /* 从500px增加到600px */
    }
    
    .timeline-item:nth-child(odd) .timeline-external-papers-horizontal {
        right: -620px; /* 从-520px调整到-620px */
    }
    
    .timeline-item:nth-child(even) .timeline-external-papers-horizontal {
        left: -620px; /* 从-520px调整到-620px */
    }
}

/* 移动端隐藏外部论文水平排列 */
@media screen and (max-width: 672px) {
    .timeline-external-papers-horizontal {
        display: none;
    }
}

/* 2021年论文特殊高亮样式 */
.timeline-external-paper-highlight {
    display: none; /* 默认隐藏，在桌面端显示 */
    position: absolute;
    width: 220px; /* 与1998年论文相同大小 */
    top: 20px;
    text-align: center;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(219, 0, 88, 0.2); /* 使用玫红色阴影 */
    background: white;
    padding: 10px;
    border: 3px solid #DB0058; /* 使用玫红色边框 */
    z-index: 2;
    transition: all 0.3s ease;
}

/* 移除之前的::before伪元素，使用更简单的实现 */
.timeline-external-paper-highlight:hover {
    border-color: #b8004a; /* 悬停时使用更深的玫红色 */
    box-shadow: 0 6px 20px rgba(219, 0, 88, 0.3); /* 增强玫红色阴影 */
    transform: translateY(-3px);
}

.timeline-external-paper-highlight img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    transition: transform 0.3s ease;
}

.timeline-external-paper-highlight:hover img {
    transform: scale(1.05);
}

.timeline-external-paper-highlight .paper-caption {
    font-size: 12px;
    color: #DB0058; /* 使用玫红色文字 */
    margin-top: 8px;
    font-style: italic;
    line-height: 1.4;
    font-weight: 600;
}

/* 桌面端显示外部论文缩略图 */
@media screen and (min-width: 769px) {
    .timeline-external-paper-highlight {
        display: block;
    }
    
    /* 左侧节点（奇数）的论文图放在右侧 */
    .timeline-item:nth-child(odd) .timeline-external-paper-highlight {
        right: -240px;
    }
    
    /* 右侧节点（偶数）的论文图放在左侧 */
    .timeline-item:nth-child(even) .timeline-external-paper-highlight {
        left: -240px;
    }
}

/* 对于特别大的屏幕，可以稍微放大 */
@media screen and (min-width: 1200px) {
    .timeline-external-paper-highlight {
        width: 240px;
    }
    
    .timeline-item:nth-child(odd) .timeline-external-paper-highlight {
        right: -260px;
    }
    
    .timeline-item:nth-child(even) .timeline-external-paper-highlight {
        left: -260px;
    }
}

/* 移动端隐藏外部论文缩略图 */
@media screen and (max-width: 672px) {
    .timeline-external-paper-highlight {
        display: none;
    }
}

/* 保持footer链接悬停和点击时为白色 */
footer .footer-links a:hover,
footer .footer-links a:active,
footer .footer-links a:focus {
    color: white !important;
}

footer .social-links a:hover,
footer .social-links a:active,
footer .social-links a:focus {
    color: white !important;
}

/* 时间线标题样式 - 已添加加粗 */
.timeline-title {
    font-size: 20px;
    margin-bottom: 10px;
    color: #37883f; /* 改为绿色 */
    font-weight: bold; /* 添加加粗样式 */
}

/* 确保高亮节点中的标题也保持绿色和加粗 */
.timeline-highlight .timeline-title {
    color: #37883f; /* 绿色 */
    font-weight: bold; /* 确保高亮节点中的标题也加粗 */
}

/* 添加页脚logo图片样式 */
.footer-logo-img {
    width: 280px; /* 根据实际图片尺寸调整 */
    height: auto;
    filter: brightness(0) invert(1); /* 将图片变为全白色 */
    transition: var(--transition);
}

/* 确保logo容器居中显示 */
.footer-logo {
    display: flex;
    justify-content: flex-start;
    margin-bottom: 20px;
}

/* 响应式调整 */
@media (max-width: 672px) {
    .footer-logo-img {
        width: 160px; /* 移动端适当缩小 */
    }
    .footer-logo {
        justify-content: center; /* 移动端居中显示 */
    }
}

.mc_logo_def {
    filter: brightness(0) invert(1);
}

/* 调整独立探索者部分与关键里程碑之间的间距 - 无分割线版本 */
.independent-explorer-section {
    margin-bottom: 80px; /* 增加底部间距 */
}

/* 为关键里程碑标题添加额外上边距 */
.academic-journey h3[style*="text-align: center"] {
    margin-top: 60px !important; /* 添加上边距 */
}

/* 响应式调整 */
@media screen and (max-width: 672px) {
    .independent-explorer-section {
        margin-bottom: 60px;
    }
    
    .academic-journey h3[style*="text-align: center"] {
        margin-top: 40px !important;
    }
}

.conquer-highlight {
    color: #DB0058;
    font-weight: 700;
    position: relative;
    padding-left: 12px;
}

.conquer-highlight::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background-color: #DB0058;
    border-radius: 50%;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* 模型诞生徽章 - 完全静态版本 */
.model-birth-badge {
    display: inline-block;
    background: #DB0058; /* 纯深玫红色，无渐变 */
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 14px;
    margin: 10px 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 3px 10px rgba(219, 0, 88, 0.3);
    /* 确保没有动画、过渡或变换 */
    animation: none !important;
    transition: none !important;
    transform: none !important;
}