/* Contact 页面专用样式 */

/* 绿色主题色定义 */
:root {
    --primary-green: #3e9344;       /* 主要绿色 */
    --primary-green-dark: #3e9344;  /* 深绿色 - 悬停用 */
    --primary-green-light: #d4edda; /* 浅绿色 - 背景用 */
    --primary-green-very-light: #f1f9f4; /* 非常浅的绿色 */
    --green-border: #c3e6cb;        /* 绿色边框 */
}

/* 联系页面主容器 */
.contact-container {
    max-width: 1200px;
    margin: 0 auto 80px;
    padding: 0 20px;
}

/* 联系卡片布局 */
.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.contact-card {
    background: #fff;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid #eee;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.card-icon {
    font-size: 2.5rem;
    color: #DB0058;
    margin-bottom: 20px;
}

.contact-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #333;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 10px;
}

/* 邮箱列表样式 */
.email-list {
    margin-top: 20px;
}

.email-item {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #f5f5f5;
}

.email-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.email-label {
    display: block;
    font-weight: 600;
    color: #555;
    margin-bottom: 5px;
    font-size: 0.9rem;
}

.email-link {
    color: #DB0058;
    text-decoration: none;
    font-weight: 500;
    word-break: break-all;
    transition: color 0.2s;
}

.email-link:hover {
    color: #a80045;
    text-decoration: underline;
}

/* 社交媒体图标样式 */
.social-icons {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
}

.social-icon {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    border-radius: 8px;
    text-decoration: none;
    color: #555;
    background: #f9f9f9;
    transition: all 0.2s ease;
}

.social-icon:hover {
    transform: translateX(5px);
    background: #f0f0f0;
}

.social-icon i {
    font-size: 1.3rem;
    margin-right: 15px;
    width: 24px;
    text-align: center;
}

.social-icon.twitter i { color: #1DA1F2; }
.social-icon.linkedin i { color: #0077B5; }
.social-icon.youtube i { color: #FF0000; }
.social-icon.substack i { color: #FF6719; }
.social-icon.scholar i { color: #4285F4; }

.social-icon span {
    font-weight: 500;
}

/* 地址部分样式 */
.address-section {
    margin-bottom: 60px;
}

.address-section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    color: #333;
    position: relative;
}

.address-section h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #DB0058;
}

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

.address-card {
    background: #fff;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid #eee;
}

.address-card.highlighted {
    border: 2px solid #DB0058;
    position: relative;
}

.address-card.highlighted:before {
    content: 'RECOMMENDED';
    position: absolute;
    top: -12px;
    left: 20px;
    background: #DB0058;
    color: white;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

.address-icon {
    font-size: 2rem;
    color: #333;
    margin-bottom: 15px;
}

.address-card h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #333;
}

.address-note {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 20px;
    line-height: 1.5;
    font-style: italic;
}

.address-details {
    margin: 25px 0;
    line-height: 1.6;
}

.address-details p {
    margin-bottom: 8px;
}

.address-disclaimer {
    background: #f9f9f9;
    padding: 15px;
    border-radius: 6px;
    margin-top: 20px;
    font-size: 0.9rem;
    color: #666;
    border-left: 3px solid #DB0058;
}

/* 地图容器样式 */
.map-container {
    margin-top: 25px;
    border-radius: 8px;
    overflow: hidden;
}

.map-placeholder {
    height: 250px;
    background: #f5f5f5;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #888;
    border: 2px dashed #ddd;
}

.map-placeholder i {
    font-size: 3rem;
    margin-bottom: 15px;
    color: #bbb;
}

.map-placeholder p {
    margin: 5px 0;
}

.map-note {
    font-size: 0.85rem;
    font-style: italic;
}

.map-instruction {
    background: #f0f7ff;
    padding: 10px 15px;
    font-size: 0.9rem;
    color: #2c5282;
    border-left: 3px solid #4299e1;
}

.map-instruction i {
    margin-right: 8px;
}

/* 表单部分样式 */
.form-section {
    margin-top: 60px;
}

.form-section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 15px;
    color: #333;
}

.form-description {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 30px;
    color: #666;
    line-height: 1.6;
}

.google-form-container {
    background: #fff;
    border-radius: 10px;
    padding: 40px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #eee;
    margin-bottom: 30px;
}

.form-placeholder {
    text-align: center;
    padding: 40px 20px;
    background: #f9f9f9;
    border-radius: 8px;
    border: 2px dashed #ddd;
}

.form-placeholder i {
    font-size: 4rem;
    color: #DB0058;
    margin-bottom: 20px;
}

.form-placeholder h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: #333;
}

.form-placeholder p {
    margin-bottom: 15px;
    color: #666;
}

.form-instruction {
    font-weight: 600;
    margin-top: 25px;
    margin-bottom: 15px;
    color: #333;
}

.form-placeholder ol {
    text-align: left;
    max-width: 500px;
    margin: 0 auto;
    padding-left: 20px;
}

.form-placeholder li {
    margin-bottom: 10px;
    line-height: 1.5;
}

.form-placeholder a {
    color: #DB0058;
    text-decoration: none;
    font-weight: 500;
}

.form-placeholder a:hover {
    text-decoration: underline;
}

.response-note {
    background: #f0f7ff;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    color: #2c5282;
    border-left: 4px solid #4299e1;
}

.response-note i {
    margin-right: 10px;
    font-size: 1.2rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .contact-cards {
        grid-template-columns: 1fr;
    }
    
    .address-container {
        grid-template-columns: 1fr;
    }
    
    .contact-card, .address-card {
        padding: 20px;
    }
    
    .google-form-container {
        padding: 20px;
    }
    
    .form-placeholder {
        padding: 30px 15px;
    }
    
    .form-placeholder i {
        font-size: 3rem;
    }
    
    .address-card.highlighted:before {
        left: 50%;
        transform: translateX(-50%);
    }
}

@media (max-width: 480px) {
    .page-intro {
        margin: 30px auto 40px;
        font-size: 1rem;
    }
    
    .contact-cards, .address-container {
        gap: 20px;
    }
    
    .social-icon {
        padding: 10px;
    }
    
    .map-placeholder {
        height: 200px;
    }
}

/* 表单部分样式 - 更新后 */
.form-section {
    margin-top: 60px;
}

.form-section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 15px;
    color: #333;
}

.form-description {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 30px;
    color: #666;
    line-height: 1.6;
}

.google-form-container {
    background: #fff;
    border-radius: 10px;
    padding: 0; /* 移除内边距 */
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #eee;
    margin-bottom: 30px;
    overflow: hidden; /* 确保内容不会溢出圆角 */
}

.form-placeholder {
    text-align: center;
    padding: 0; /* 移除内边距 */
    background: transparent; /* 改为透明背景 */
    border-radius: 8px;
    border: none; /* 移除虚线边框 */
    position: relative; /* 为绝对定位子元素提供参考 */
    min-height: 400px; /* 设置最小高度，防止加载时页面跳动 */
}

/* Google表单iframe样式 */
.form-placeholder iframe {
    display: block; /* 移除内联元素默认的底部间隙 */
    width: 100% !important; /* 确保宽度100% */
    height: 100%; /* 高度设为100%，填充父容器 */
    border: none; /* 移除iframe边框 */
    background: transparent; /* 透明背景 */
    position: absolute; /* 使用绝对定位填充整个容器 */
    top: 0;
    left: 0;
}

/* 确保iframe容器有明确的高度 */
.google-form-container,
.form-placeholder {
    height: 1400px; /* 与iframe原始高度保持一致 */
}

/* 添加表单加载状态 */
.form-placeholder::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #DB0058;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    z-index: 1;
}

.form-placeholder.loaded::before {
    display: none; /* 加载完成后隐藏加载动画 */
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* 响应式调整高度 */
@media (max-width: 1200px) {
    .google-form-container,
    .form-placeholder {
        height: 1300px;
    }
}

@media (max-width: 992px) {
    .google-form-container,
    .form-placeholder {
        height: 1200px;
    }
}

@media (max-width: 768px) {
    .google-form-container,
    .form-placeholder {
        height: 1100px;
    }
}

@media (max-width: 576px) {
    .google-form-container,
    .form-placeholder {
        height: 1000px;
    }
}

@media (max-width: 480px) {
    .google-form-container,
    .form-placeholder {
        height: 950px;
    }
}

/* 表单加载完成后的过渡效果 */
.form-placeholder iframe {
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.form-placeholder.loaded iframe {
    opacity: 1;
}

.response-note {
    background: #f0f7ff;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    color: #2c5282;
    border-left: 4px solid #4299e1;
    margin-top: 30px;
}

.response-note i {
    margin-right: 10px;
    font-size: 1.2rem;
}

/* Connect With Us部分 - 两行布局 */
.connect-card {
    padding-top: 50px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.connect-card .section-header {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    width: auto;
    padding: 0 30px;
    background: #fff;
    z-index: 2;
}

.connect-card .section-title {
    font-size: 2rem;
    color: #333;
    position: relative;
    display: inline-block;
    margin: 0;
    padding: 0 20px;
    background: #fff;
    white-space: nowrap;
}

.connect-card .section-title:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #DB0058;
}

/* 两行社交媒体按钮布局 */
.social-icons-two-rows {
    width: 100%;
    margin-top: 30px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 12px;
    border: 1px solid rgba(219, 0, 88, 0.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.social-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px; /* 按钮之间的间距 */
    margin-bottom: 30px;
}

.social-row:last-child {
    margin-bottom: 0;
}

/* 圆形按钮样式 */
.social-btn-circle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 70px; /* 增大按钮尺寸 */
    height: 70px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    color: #555;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border: 2px solid rgba(219, 0, 88, 0.1);
    position: relative;
}

.social-btn-circle i {
    font-size: 1.8rem; /* 增大图标尺寸 */
}

/* 平台特定悬停效果 */
.social-btn-circle.twitter:hover {
    background: linear-gradient(135deg, #1DA1F2 0%, #0d8bd9 100%);
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 20px rgba(29, 161, 242, 0.3);
    border-color: #1DA1F2;
}

.social-btn-circle.linkedin:hover {
    background: linear-gradient(135deg, #0077B5 0%, #005582 100%);
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 20px rgba(0, 119, 181, 0.3);
    border-color: #0077B5;
}

.social-btn-circle.youtube:hover {
    background: linear-gradient(135deg, #FF0000 0%, #cc0000 100%);
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 20px rgba(255, 0, 0, 0.3);
    border-color: #FF0000;
}

.social-btn-circle.substack:hover {
    background: linear-gradient(135deg, #FF6719 0%, #e55c00 100%);
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 20px rgba(255, 103, 25, 0.3);
    border-color: #FF6719;
}

.social-btn-circle.scholar:hover {
    background: linear-gradient(135deg, #4285F4 0%, #3367d6 100%);
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 20px rgba(66, 133, 244, 0.3);
    border-color: #4285F4;
}

/* 添加平台名称工具提示 */
.social-btn-circle::after {
    content: attr(title);
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 10;
}

.social-btn-circle::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 0 6px 6px 6px;
    border-style: solid;
    border-color: transparent transparent #333 transparent;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 10;
}

.social-btn-circle:hover::after,
.social-btn-circle:hover::before {
    opacity: 1;
    visibility: visible;
}

/* 说明文字 */
.social-caption {
    text-align: center;
    margin-top: 25px;
    padding: 15px;
    background: rgba(219, 0, 88, 0.05);
    border-radius: 8px;
    width: 100%;
    max-width: 500px;
}

.social-caption p {
    margin: 0;
    color: #555;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* 可选：添加装饰元素 */
.social-icons-two-rows {
    position: relative;
}

.social-icons-two-rows::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #DB0058 0%, #FF6719 100%);
    border-radius: 12px 12px 0 0;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .social-row {
        gap: 30px;
        margin-bottom: 25px;
    }
    
    .social-btn-circle {
        width: 65px;
        height: 65px;
    }
    
    .social-btn-circle i {
        font-size: 1.7rem;
    }
    
    .social-icons-two-rows {
        padding: 20px 15px;
    }
}

@media (max-width: 576px) {
    .social-row {
        gap: 25px;
        margin-bottom: 20px;
    }
    
    .social-btn-circle {
        width: 60px;
        height: 60px;
    }
    
    .social-btn-circle i {
        font-size: 1.6rem;
    }
    
    .social-btn-circle::after {
        font-size: 0.8rem;
        bottom: -30px;
    }
}

@media (max-width: 480px) {
    .social-row {
        gap: 20px;
        margin-bottom: 15px;
    }
    
    .social-btn-circle {
        width: 55px;
        height: 55px;
    }
    
    .social-btn-circle i {
        font-size: 1.5rem;
    }
    
    .connect-card .section-title {
        font-size: 1.8rem;
        white-space: normal;
        padding: 0 15px;
    }
}

/* Connect With Us部分 - 绿色主题 */
.connect-card {
    padding-top: 50px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.02) 0%, rgba(255, 255, 255, 0) 100%); /* 淡绿色背景渐变 */
}

.connect-card .section-header {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    width: auto;
    padding: 0 30px;
    background: #fff;
    z-index: 2;
}

.connect-card .section-title {
    font-size: 2rem;
    color: #333;
    position: relative;
    display: inline-block;
    margin: 0;
    padding: 0 20px;
    background: #fff;
    white-space: nowrap;
}

/* 将标题下划线改为绿色 */
.connect-card .section-title:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #28a745; /* 主绿色 */
}

/* 两行社交媒体按钮布局 - 绿色主题 */
.social-icons-two-rows {
    width: 100%;
    margin-top: 30px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.9); /* 更透明白色背景 */
    border-radius: 12px;
    border: 1px solid rgba(40, 167, 69, 0.2); /* 淡绿色边框 */
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.1); /* 绿色阴影 */
}

.social-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px; /* 按钮之间的间距 */
    margin-bottom: 30px;
}

.social-row:last-child {
    margin-bottom: 0;
}

/* 圆形按钮样式 - 绿色主题 */
.social-btn-circle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 70px; /* 增大按钮尺寸 */
    height: 70px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    color: #555;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(40, 167, 69, 0.1); /* 绿色阴影 */
    border: 2px solid rgba(40, 167, 69, 0.2); /* 淡绿色边框 */
    position: relative;
}

.social-btn-circle i {
    font-size: 1.8rem; /* 增大图标尺寸 */
}

/* 统一使用绿色主题色替代平台特定颜色 */
.social-btn-circle.twitter:hover {
    background: linear-gradient(135deg, #28a745 0%, #1e7e34 100%);
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 20px rgba(40, 167, 69, 0.3);
    border-color: #28a745;
}

.social-btn-circle.linkedin:hover {
    background: linear-gradient(135deg, #28a745 0%, #1e7e34 100%);
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 20px rgba(40, 167, 69, 0.3);
    border-color: #28a745;
}

.social-btn-circle.youtube:hover {
    background: linear-gradient(135deg, #28a745 0%, #1e7e34 100%);
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 20px rgba(40, 167, 69, 0.3);
    border-color: #28a745;
}

.social-btn-circle.substack:hover {
    background: linear-gradient(135deg, #28a745 0%, #1e7e34 100%);
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 20px rgba(40, 167, 69, 0.3);
    border-color: #28a745;
}

.social-btn-circle.scholar:hover {
    background: linear-gradient(135deg, #28a745 0%, #1e7e34 100%);
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 20px rgba(40, 167, 69, 0.3);
    border-color: #28a745;
}

/* 添加平台名称工具提示 - 绿色主题 */
.social-btn-circle::after {
    content: attr(title);
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    background: #155724; /* 深绿色背景 */
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 10;
}

.social-btn-circle::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 0 6px 6px 6px;
    border-style: solid;
    border-color: transparent transparent #155724 transparent; /* 深绿色箭头 */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 10;
}

.social-btn-circle:hover::after,
.social-btn-circle:hover::before {
    opacity: 1;
    visibility: visible;
}

/* 说明文字 - 绿色主题 */
.social-caption {
    text-align: center;
    margin-top: 25px;
    padding: 15px 20px;
    background: #d4edda; /* 淡绿色背景 */
    border-radius: 8px;
    width: 100%;
    max-width: 500px;
    border-left: 4px solid #28a745; /* 绿色左边框 */
}

.social-caption p {
    margin: 0;
    color: #155724; /* 深绿色文字 */
    font-size: 0.95rem;
    line-height: 1.5;
    font-weight: 500;
}

/* 装饰元素 - 绿色主题 */
.social-icons-two-rows {
    position: relative;
}

.social-icons-two-rows::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #28a745 0%, #20c997 100%); /* 绿色渐变 */
    border-radius: 12px 12px 0 0;
}

/* 添加绿色装饰圆点 */
.social-icons-two-rows::after {
    content: '';
    position: absolute;
    bottom: 15px;
    left: 15px;
    width: 10px;
    height: 10px;
    background-color: #28a745;
    border-radius: 50%;
    opacity: 0.5;
}

.social-icons-two-rows .decorative-dot {
    position: absolute;
    bottom: 15px;
    right: 15px;
    width: 8px;
    height: 8px;
    background-color: #20c997;
    border-radius: 50%;
    opacity: 0.5;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .social-row {
        gap: 30px;
        margin-bottom: 25px;
    }
    
    .social-btn-circle {
        width: 65px;
        height: 65px;
    }
    
    .social-btn-circle i {
        font-size: 1.7rem;
    }
    
    .social-icons-two-rows {
        padding: 20px 15px;
    }
}

@media (max-width: 576px) {
    .social-row {
        gap: 25px;
        margin-bottom: 20px;
    }
    
    .social-btn-circle {
        width: 60px;
        height: 60px;
    }
    
    .social-btn-circle i {
        font-size: 1.6rem;
    }
    
    .social-btn-circle::after {
        font-size: 0.8rem;
        bottom: -30px;
    }
}

@media (max-width: 480px) {
    .social-row {
        gap: 20px;
        margin-bottom: 15px;
    }
    
    .social-btn-circle {
        width: 55px;
        height: 55px;
    }
    
    .social-btn-circle i {
        font-size: 1.5rem;
    }
    
    .connect-card .section-title {
        font-size: 1.8rem;
        white-space: normal;
        padding: 0 15px;
    }
}

/* Connect With Us部分 - 无边框版本 */
.connect-card {
    padding-top: 50px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.02) 0%, rgba(255, 255, 255, 0) 100%);
    border-radius: 12px;
    padding-bottom: 30px;
    margin-top: 30px;
    position: relative;
    overflow: hidden; /* 隐藏装饰元素溢出部分 */
}

.connect-card .section-header {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    width: auto;
    padding: 0 30px;
    background: #fff;
    z-index: 2;
}

.connect-card .section-title {
    font-size: 2rem;
    color: #333;
    position: relative;
    display: inline-block;
    margin: 0;
    padding: 0 20px;
    background: #fff;
    white-space: nowrap;
}

/* 将标题下划线改为绿色 */
.connect-card .section-title:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #28a745; /* 主绿色 */
}

/* 移除边框后的社交媒体按钮布局 */
.social-icons-two-rows {
    width: 100%;
    margin-top: 30px;
    padding: 20px 25px 10px 25px; /* 减少内边距 */
    background: transparent; /* 透明背景 */
    border-radius: 0; /* 移除圆角 */
    border: none; /* 移除边框 */
    box-shadow: none; /* 移除阴影 */
    position: relative;
}

/* 移除所有装饰元素 */
.social-icons-two-rows::before,
.social-icons-two-rows::after {
    display: none; /* 移除装饰线条和圆点 */
}

/* 移除装饰圆点 */
.decorative-dot {
    display: none;
}

.social-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px; /* 按钮之间的间距 */
    margin-bottom: 30px;
}

.social-row:last-child {
    margin-bottom: 0;
}

/* 圆形按钮样式 - 直接融入卡片 */
.social-btn-circle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 70px; /* 增大按钮尺寸 */
    height: 70px;
    background: #ffffff; /* 纯白色背景 */
    color: #555;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08); /* 轻微阴影，增加层次感 */
    border: 2px solid rgba(40, 167, 69, 0.1); /* 非常淡的绿色边框 */
    position: relative;
}

.social-btn-circle i {
    font-size: 1.8rem; /* 增大图标尺寸 */
}

/* 统一使用绿色主题色替代平台特定颜色 */
.social-btn-circle.twitter:hover {
    background: linear-gradient(135deg, #28a745 0%, #1e7e34 100%);
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 20px rgba(40, 167, 69, 0.3);
    border-color: #28a745;
}

.social-btn-circle.linkedin:hover {
    background: linear-gradient(135deg, #28a745 0%, #1e7e34 100%);
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 20px rgba(40, 167, 69, 0.3);
    border-color: #28a745;
}

.social-btn-circle.youtube:hover {
    background: linear-gradient(135deg, #28a745 0%, #1e7e34 100%);
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 20px rgba(40, 167, 69, 0.3);
    border-color: #28a745;
}

.social-btn-circle.substack:hover {
    background: linear-gradient(135deg, #28a745 0%, #1e7e34 100%);
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 20px rgba(40, 167, 69, 0.3);
    border-color: #28a745;
}

.social-btn-circle.scholar:hover {
    background: linear-gradient(135deg, #28a745 0%, #1e7e34 100%);
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 20px rgba(40, 167, 69, 0.3);
    border-color: #28a745;
}

/* 添加平台名称工具提示 - 绿色主题 */
.social-btn-circle::after {
    content: attr(title);
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    background: #155724; /* 深绿色背景 */
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 10;
}

.social-btn-circle::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 0 6px 6px 6px;
    border-style: solid;
    border-color: transparent transparent #155724 transparent; /* 深绿色箭头 */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 10;
}

.social-btn-circle:hover::after,
.social-btn-circle:hover::before {
    opacity: 1;
    visibility: visible;
}

/* 说明文字 - 绿色主题 */
.social-caption {
    text-align: center;
    margin-top: 25px;
    padding: 15px 20px;
    background: #d4edda; /* 淡绿色背景 */
    border-radius: 8px;
    width: 100%;
    max-width: 500px;
    border-left: 4px solid #28a745; /* 绿色左边框 */
}

.social-caption p {
    margin: 0;
    color: #155724; /* 深绿色文字 */
    font-size: 0.95rem;
    line-height: 1.5;
    font-weight: 500;
}

/* 为整个卡片添加一些装饰元素，使其更有设计感 */
.connect-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #28a745 0%, #20c997 100%); /* 绿色渐变顶线 */
    border-radius: 12px 12px 0 0;
}

.connect-card::after {
    content: '';
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #28a745 20%, #28a745 80%, transparent);
}

/* 透明占位符保持第二行布局平衡 */
.social-placeholder {
    width: 70px;
    height: 70px;
    opacity: 0;
    pointer-events: none;
}

/* 调整第二行的justify-content */
.social-row:last-child {
    justify-content: space-around;
    max-width: 300px;
    margin-left: auto;
    margin-right: auto;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .social-row {
        gap: 30px;
        margin-bottom: 25px;
    }
    
    .social-btn-circle {
        width: 65px;
        height: 65px;
    }
    
    .social-btn-circle i {
        font-size: 1.7rem;
    }
    
    .social-icons-two-rows {
        padding: 15px 20px 5px 20px;
    }
    
    .connect-card {
        margin-top: 25px;
    }
}

@media (max-width: 576px) {
    .social-row {
        gap: 25px;
        margin-bottom: 20px;
    }
    
    .social-btn-circle {
        width: 60px;
        height: 60px;
    }
    
    .social-btn-circle i {
        font-size: 1.6rem;
    }
    
    .social-btn-circle::after {
        font-size: 0.8rem;
        bottom: -30px;
    }
}

@media (max-width: 480px) {
    .social-row {
        gap: 20px;
        margin-bottom: 15px;
    }
    
    .social-btn-circle {
        width: 55px;
        height: 55px;
    }
    
    .social-btn-circle i {
        font-size: 1.5rem;
    }
    
    .connect-card .section-title {
        font-size: 1.8rem;
        white-space: normal;
        padding: 0 15px;
    }
}

/* 扁平化版本 - 移除按钮阴影 */
.social-btn-circle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background: #ffffff;
    color: #555;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: none; /* 移除阴影 */
    border: 2px solid rgba(40, 167, 69, 0.2); /* 稍微加深边框颜色 */
    position: relative;
}

/* 悬停时添加阴影，增强交互感 */
.social-btn-circle:hover {
    box-shadow: 0 8px 15px rgba(40, 167, 69, 0.2); /* 悬停时显示阴影 */
}

/* Connect With Us部分 - 简洁无装饰版本 */
.connect-card {
    padding-top: 50px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: transparent; /* 移除背景渐变 */
    border-radius: 12px;
    padding-bottom: 30px;
    margin-top: 30px;
    position: relative;
}

.connect-card .section-header {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    width: auto;
    padding: 0 30px;
    background: #fff;
    z-index: 2;
}

.connect-card .section-title {
    font-size: 2rem;
    color: #333;
    position: relative;
    display: inline-block;
    margin: 0;
    padding: 0 20px;
    background: #fff;
    white-space: nowrap;
}

/* 将标题下划线改为绿色 */
.connect-card .section-title:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #28a745; /* 主绿色 */
}

/* 移除所有装饰线条和背景 */
.connect-card::before,
.connect-card::after {
    display: none; /* 移除所有装饰线条 */
}

/* 社交媒体按钮布局 */
.social-icons-two-rows {
    width: 100%;
    margin-top: 30px;
    padding: 20px 25px 10px 25px;
    background: transparent;
    border-radius: 0;
    border: none;
    box-shadow: none;
    position: relative;
}

/* 移除所有装饰元素 */
.social-icons-two-rows::before,
.social-icons-two-rows::after {
    display: none;
}

/* 移除装饰圆点 */
.decorative-dot {
    display: none;
}

.social-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin-bottom: 30px;
}

.social-row:last-child {
    margin-bottom: 0;
}

/* 圆形按钮样式 */
.social-btn-circle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background: #ffffff;
    color: #555;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    border: 2px solid rgba(0, 0, 0, 0.08); /* 中性灰色边框，更简洁 */
    position: relative;
}

.social-btn-circle i {
    font-size: 1.8rem;
}

/* 统一使用绿色主题色 */
.social-btn-circle:hover {
    background: linear-gradient(135deg, #28a745 0%, #1e7e34 100%);
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 20px rgba(40, 167, 69, 0.3);
    border-color: #28a745;
}

/* 添加平台名称工具提示 */
.social-btn-circle::after {
    content: attr(title);
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 10;
}

.social-btn-circle::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 0 6px 6px 6px;
    border-style: solid;
    border-color: transparent transparent #333 transparent;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 10;
}

.social-btn-circle:hover::after,
.social-btn-circle:hover::before {
    opacity: 1;
    visibility: visible;
}

/* 说明文字 - 调整为中性色 */
.social-caption {
    text-align: center;
    margin-top: 25px;
    padding: 15px 20px;
    background: #f8f9fa; /* 改为中性灰色背景 */
    border-radius: 8px;
    width: 100%;
    max-width: 500px;
    border-left: 4px solid #28a745; /* 保留绿色左边框作为强调 */
}

.social-caption p {
    margin: 0;
    color: #333; /* 改为深灰色文字 */
    font-size: 0.95rem;
    line-height: 1.5;
    font-weight: 500;
}

/* 透明占位符保持第二行布局平衡 */
.social-placeholder {
    width: 70px;
    height: 70px;
    opacity: 0;
    pointer-events: none;
}

/* 调整第二行的justify-content */
.social-row:last-child {
    justify-content: space-around;
    max-width: 300px;
    margin-left: auto;
    margin-right: auto;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .social-row {
        gap: 30px;
        margin-bottom: 25px;
    }
    
    .social-btn-circle {
        width: 65px;
        height: 65px;
    }
    
    .social-btn-circle i {
        font-size: 1.7rem;
    }
    
    .social-icons-two-rows {
        padding: 15px 20px 5px 20px;
    }
    
    .connect-card {
        margin-top: 25px;
    }
}

@media (max-width: 576px) {
    .social-row {
        gap: 25px;
        margin-bottom: 20px;
    }
    
    .social-btn-circle {
        width: 60px;
        height: 60px;
    }
    
    .social-btn-circle i {
        font-size: 1.6rem;
    }
    
    .social-btn-circle::after {
        font-size: 0.8rem;
        bottom: -30px;
    }
}

@media (max-width: 480px) {
    .social-row {
        gap: 20px;
        margin-bottom: 15px;
    }
    
    .social-btn-circle {
        width: 55px;
        height: 55px;
    }
    
    .social-btn-circle i {
        font-size: 1.5rem;
    }
    
    .connect-card .section-title {
        font-size: 1.8rem;
        white-space: normal;
        padding: 0 15px;
    }
}

/* Connect With Us部分 - 平台标志色版本 */
.connect-card {
    padding-top: 50px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: transparent;
    border-radius: 12px;
    padding-bottom: 30px;
    margin-top: 30px;
    position: relative;
}

.connect-card .section-header {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    width: auto;
    padding: 0 30px;
    background: #fff;
    z-index: 2;
}

.connect-card .section-title {
    font-size: 2rem;
    color: #333;
    position: relative;
    display: inline-block;
    margin: 0;
    padding: 0 20px;
    background: #fff;
    white-space: nowrap;
}

/* 将标题下划线改为绿色 */
.connect-card .section-title:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #28a745; /* 主绿色 */
}

/* 社交媒体按钮布局 */
.social-icons-two-rows {
    width: 100%;
    margin-top: 30px;
    padding: 20px 25px 10px 25px;
    background: transparent;
    border-radius: 0;
    border: none;
    box-shadow: none;
    position: relative;
}

.social-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin-bottom: 30px;
}

.social-row:last-child {
    margin-bottom: 0;
}

/* 圆形按钮样式 - 平台标志色悬停效果 */
.social-btn-circle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background: #ffffff;
    color: #555;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    border: 2px solid rgba(0, 0, 0, 0.08);
    position: relative;
}

.social-btn-circle i {
    font-size: 1.8rem;
}

/* Twitter/X 悬停效果 */
.social-btn-circle.twitter:hover {
    background: #1DA1F2; /* Twitter蓝色 */
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 20px rgba(29, 161, 242, 0.3);
    border-color: #1DA1F2;
}

/* LinkedIn 悬停效果 */
.social-btn-circle.linkedin:hover {
    background: #0077B5; /* LinkedIn蓝色 */
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 20px rgba(0, 119, 181, 0.3);
    border-color: #0077B5;
}

/* YouTube 悬停效果 */
.social-btn-circle.youtube:hover {
    background: #FF0000; /* YouTube红色 */
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 20px rgba(255, 0, 0, 0.3);
    border-color: #FF0000;
}

/* Substack 悬停效果 */
.social-btn-circle.substack:hover {
    background: #FF6719; /* Substack橙色 */
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 20px rgba(255, 103, 25, 0.3);
    border-color: #FF6719;
}

/* Google Scholar 悬停效果 */
.social-btn-circle.scholar:hover {
    background: #4285F4; /* Google蓝色 */
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 20px rgba(66, 133, 244, 0.3);
    border-color: #4285F4;
}

/* GitHub 悬停效果 */
.social-btn-circle.github:hover {
    background: #333; /* GitHub黑色 */
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    border-color: #333;
}

/* 添加平台名称工具提示 */
.social-btn-circle::after {
    content: attr(title);
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 10;
}

.social-btn-circle::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 0 6px 6px 6px;
    border-style: solid;
    border-color: transparent transparent #333 transparent;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 10;
}

.social-btn-circle:hover::after,
.social-btn-circle:hover::before {
    opacity: 1;
    visibility: visible;
}

/* 说明文字 */
.social-caption {
    text-align: center;
    margin-top: 25px;
    padding: 15px 20px;
    background: #f8f9fa;
    border-radius: 8px;
    width: 100%;
    max-width: 500px;
    border-left: 4px solid #28a745;
}

.social-caption p {
    margin: 0;
    color: #333;
    font-size: 0.95rem;
    line-height: 1.5;
    font-weight: 500;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .social-row {
        gap: 30px;
        margin-bottom: 25px;
    }
    
    .social-btn-circle {
        width: 65px;
        height: 65px;
    }
    
    .social-btn-circle i {
        font-size: 1.7rem;
    }
    
    .social-icons-two-rows {
        padding: 15px 20px 5px 20px;
    }
    
    .connect-card {
        margin-top: 25px;
    }
}

@media (max-width: 576px) {
    .social-row {
        gap: 25px;
        margin-bottom: 20px;
    }
    
    .social-btn-circle {
        width: 60px;
        height: 60px;
    }
    
    .social-btn-circle i {
        font-size: 1.6rem;
    }
    
    .social-btn-circle::after {
        font-size: 0.8rem;
        bottom: -30px;
    }
}

@media (max-width: 480px) {
    .social-row {
        gap: 20px;
        margin-bottom: 15px;
    }
    
    .social-btn-circle {
        width: 55px;
        height: 55px;
    }
    
    .social-btn-circle i {
        font-size: 1.5rem;
    }
    
    .connect-card .section-title {
        font-size: 1.8rem;
        white-space: normal;
        padding: 0 15px;
    }
}

/* 地址图标emoji样式 */
.address-icon {
    font-size: 2.5rem; /* 增大emoji尺寸 */
    margin-bottom: 15px;
    line-height: 1;
}

/* 移除之前可能的图标样式残留 */
.address-card .fa-file-contract,
.address-card .fa-flask {
    display: none;
}

/* 简化版邮箱列表样式 */
.email-list-simple {
    margin-top: 30px;
    padding: 0 10px;
}

.email-category {
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05); /* 非常淡的分隔线 */
}

.email-category:last-child {
    border-bottom: none;
    margin-bottom: 20px;
    padding-bottom: 20px;
}

.email-label-simple {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
    display: block;
}

.email-note {
    font-size: 0.9rem;
    color: #666;
    margin: 5px 0 12px 0;
    font-style: italic;
    line-height: 1.4;
}

.email-link-simple {
    color: #28a745; /* 绿色主题色 */
    text-decoration: none;
    font-weight: 500;
    word-break: break-all;
    transition: color 0.2s;
    display: block;
    line-height: 1.4;
    font-size: 1.05rem;
    padding: 3px 0;
}

.email-link-simple:hover {
    color: #1e7e34; /* 深绿色 */
    text-decoration: underline;
}

/* 主要邮箱样式 */
.primary-email {
    font-weight: 600;
    font-size: 1.1rem;
    color: #155724; /* 深绿色 */
    border-left: 3px solid #28a745;
    padding-left: 12px;
    margin-top: 5px;
}

.primary-email:hover {
    color: #0c4121;
}

.email-note-general {
    text-align: center;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    margin-top: 25px;
    border: 1px solid rgba(40, 167, 69, 0.1);
}

.email-note-general p {
    margin: 0;
    color: #555;
    font-size: 0.95rem;
}

.email-note-general strong {
    color: #28a745;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .email-list-simple {
        padding: 0;
    }
    
    .email-category {
        margin-bottom: 25px;
        padding-bottom: 20px;
    }
    
    .email-label-simple {
        font-size: 1.05rem;
    }
    
    .email-link-simple {
        font-size: 1rem;
    }
    
    .primary-email {
        font-size: 1.05rem;
    }
}

@media (max-width: 480px) {
    .email-category {
        margin-bottom: 20px;
        padding-bottom: 15px;
    }
    
    .email-label-simple {
        font-size: 1rem;
    }
    
    .email-link-simple {
        font-size: 0.95rem;
    }
    
    .primary-email {
        font-size: 1rem;
    }
    
    .email-note-general {
        padding: 12px;
    }
}

/* 地址免责声明样式 - 改为绿色边框 */
.address-disclaimer {
    background: #f9f9f9;
    padding: 15px;
    border-radius: 6px;
    margin-top: 20px;
    font-size: 0.9rem;
    color: #666;
    border-left: 3px solid #3e9344; /* 改为绿色边框 */
}

/* 修改标题和地址字体颜色为绿色 */
.address-section h2 {
    color: #3e9344 !important; /* Our Addresses 标题 */
    font-weight: 600;
}

.address-card h4 {
    color: #3e9344 !important; /* Registered & Legal Address 和 Research Operations & Correspondence Address 标题 */
    font-weight: 600;
}

.address-details p:first-child strong {
    color: #3e9344 !important; /* Bilu Huang Institute for Aging Research 机构名称 */
    font-weight: 700;
}

.form-section h2 {
    color: #3e9344 !important; /* Send Us a Message 标题 */
    font-weight: 600;
}

/* 响应说明样式 - 改为绿色和淡灰色 */
.response-note {
    background: #f8f9fa; /* 淡灰色背景，与其他部分一致 */
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    color: #495057; /* 深灰色文字，提高可读性 */
    border-left: 4px solid #3e9344; /* 改为指定的绿色边框 */
    margin-top: 30px;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 响应说明中的图标颜色 */
.response-note i {
    margin-right: 10px;
    font-size: 1.2rem;
    color: #3e9344; /* 图标也改为绿色 */
}

/* 响应说明中的加粗文字 */
.response-note strong {
    color: #3e9344; /* 将加粗文字也改为绿色 */
    font-weight: 600;
}

/* 响应说明的悬停效果（可选） */
.response-note:hover {
    background: #f1f3f4; /* 悬停时稍深一点的灰色 */
    border-left: 4px solid #2d6c33; /* 悬停时深一点的绿色 */
    transition: all 0.3s ease;
}

/* 响应说明内部的段落 */
.response-note p {
    margin: 0;
    padding: 0;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .response-note {
        padding: 16px;
        margin-top: 25px;
        font-size: 0.9rem;
    }
    
    .response-note i {
        font-size: 1.1rem;
    }
}

/* 运营地址卡（highlighted）特定样式 */
.address-card.highlighted h4 {
    color: #DB0058 !important; /* 玫红色 */
    font-weight: 600;
}

.address-card.highlighted .address-details p:first-child strong,
.address-card.highlighted .address-details p:nth-child(2) strong {
    color: #DB0058 !important; /* 玫红色 */
    font-weight: 700;
}

/* 确保只影响highlighted卡片内的元素 */
.address-card.highlighted > h4,
.address-card.highlighted .address-details > p:first-child > strong,
.address-card.highlighted .address-details > p:nth-child(2) > strong {
    color: #DB0058;
}

.address-card.highlighted h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #DB0058 0%, transparent 100%);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .address-card.highlighted h4 {
        color: #DB0058;
    }
    
    .address-card.highlighted .address-details p:first-child strong,
    .address-card.highlighted .address-details p:nth-child(2) strong {
        color: #DB0058;
    }
}

/* 地址部分响应式设计 */
@media (max-width: 768px) {
    /* 调整地址容器在移动端的宽度和内边距 */
    .address-section {
        width: 100%;
        padding: 0 15px; /* 与网页其他部分保持一致的内边距 */
        margin: 0 auto;
        box-sizing: border-box;
    }
    
    .address-container {
        grid-template-columns: 1fr;
        gap: 25px;
        width: 100%;
        margin: 0 auto;
    }
    
    .address-card {
        width: 100%;
        padding: 20px 15px; /* 移动端减少内边距 */
        margin: 0 auto;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08); /* 移动端减小阴影 */
    }
    
    /* 调整标题和内容在移动端的显示 */
    .address-section h2 {
        font-size: 1.8rem; /* 移动端减小标题大小 */
        margin-bottom: 30px;
        padding: 0 10px;
    }
    
    .address-card h4 {
        font-size: 1.3rem; /* 移动端减小副标题大小 */
        line-height: 1.4;
        margin-bottom: 12px;
    }
    
    .address-details p {
        font-size: 0.95rem; /* 移动端减小正文字体大小 */
        line-height: 1.5;
        margin-bottom: 8px;
    }
    
    .address-note {
        font-size: 0.85rem;
        line-height: 1.4;
        margin-bottom: 18px;
    }
    
    .address-disclaimer {
        font-size: 0.85rem;
        padding: 12px;
        margin-top: 18px;
    }
    
    /* 调整地图容器在移动端的显示 */
    .map-container {
        margin-top: 20px;
    }
    
    .map-placeholder {
        height: 200px; /* 移动端减小地图高度 */
    }
    
    .map-instruction {
        font-size: 0.85rem;
        padding: 8px 12px;
    }
}

@media (max-width: 576px) {
    .address-section {
        padding: 0 12px; /* 更小屏幕上进一步减少内边距 */
    }
    
    .address-card {
        padding: 18px 12px;
        border-radius: 8px; /* 移动端减小圆角 */
    }
    
    .address-section h2 {
        font-size: 1.7rem;
        margin-bottom: 25px;
    }
    
    .address-card h4 {
        font-size: 1.25rem;
    }
    
    .address-details p {
        font-size: 0.92rem;
    }
    
    .map-placeholder {
        height: 180px;
    }
    
    /* 确保地址卡内的emoji图标在移动端适当调整 */
    .address-icon {
        font-size: 2.2rem; /* 移动端减小emoji大小 */
        height: 50px;
        width: 50px;
    }
}

@media (max-width: 480px) {
    .address-section {
        padding: 0 10px;
    }
    
    .address-container {
        gap: 20px;
    }
    
    .address-card {
        padding: 16px 10px;
    }
    
    .address-section h2 {
        font-size: 1.6rem;
        margin-bottom: 20px;
    }
    
    .address-card h4 {
        font-size: 1.2rem;
        margin-bottom: 10px;
    }
    
    .address-details p {
        font-size: 0.9rem;
        margin-bottom: 6px;
    }
    
    .address-details p strong {
        font-size: 0.95rem; /* 确保加粗文字在移动端可读 */
    }
    
    .address-note {
        font-size: 0.82rem;
        margin-bottom: 15px;
    }
    
    .map-placeholder {
        height: 160px;
    }
    
    .map-placeholder i {
        font-size: 2.5rem; /* 移动端减小地图图标大小 */
    }
    
    .address-icon {
        font-size: 2rem;
        height: 45px;
        width: 45px;
    }
}

/* 针对超小屏幕（如iPhone SE等）的特殊调整 */
@media (max-width: 375px) {
    .address-section {
        padding: 0 8px;
    }
    
    .address-card {
        padding: 14px 8px;
        border-radius: 6px;
    }
    
    .address-section h2 {
        font-size: 1.5rem;
        margin-bottom: 18px;
    }
    
    .address-card h4 {
        font-size: 1.15rem;
    }
    
    .address-details p {
        font-size: 0.88rem;
    }
    
    .address-details p strong {
        font-size: 0.92rem;
    }
    
    .map-placeholder {
        height: 150px;
    }
    
    .map-placeholder p {
        font-size: 0.9rem;
    }
    
    .map-note {
        font-size: 0.8rem;
    }
}

/* 确保移动端横屏模式下也有良好显示 */
@media (max-width: 768px) and (orientation: landscape) {
    .address-container {
        grid-template-columns: repeat(2, 1fr); /* 横屏时恢复两列布局 */
        gap: 15px;
    }
    
    .address-card {
        padding: 15px;
    }
    
    .address-section h2 {
        font-size: 1.6rem;
    }
}

/* 确保移动端卡片不会超出容器 */
.address-section * {
    max-width: 100%;
    word-wrap: break-word;
}

/* 移动端地址长文本换行优化 */
.address-details {
    word-break: break-word;
    overflow-wrap: break-word;
}

/* 移除移动端不必要的装饰效果以提高性能 */
@media (max-width: 768px) {
    .address-card.highlighted::before {
        font-size: 0.7rem; /* 移动端减小标签大小 */
        top: -10px;
        left: 50%;
        transform: translateX(-50%);
    }
    
    /* 移动端减少过渡效果以提高性能 */
    .address-card,
    .address-card h4,
    .address-card .address-details {
        transition: none;
    }
}

/* 移动端触摸友好 - 增加可点击区域 */
@media (max-width: 768px) {
    .map-placeholder {
        cursor: pointer;
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
    }
    
    /* 确保移动端链接有足够点击区域 */
    .email-link,
    .social-btn-circle {
        min-height: 44px; /* iOS推荐的最小触摸目标尺寸 */
        min-width: 44px;
    }
}

/* 针对屏幕高度较小的设备优化 */
@media (max-height: 700px) and (max-width: 768px) {
    .address-section {
        margin-bottom: 30px;
    }
    
    .address-card {
        margin-bottom: 15px;
    }
    
    .map-placeholder {
        height: 140px; /* 小屏幕高度下进一步减小地图高度 */
    }
}

/* 针对折叠屏手机或平板电脑的特殊优化 */
@media (max-width: 1024px) and (min-width: 769px) {
    .address-section {
        padding: 0 20px;
    }
    
    .address-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .address-card {
        padding: 25px 20px;
    }
}

/* 确保联系页面整体在移动端的响应式设计一致 */
@media (max-width: 768px) {
    .contact-container {
        padding: 0 15px; /* 与地址部分保持相同内边距 */
    }
    
    .page-intro {
        padding: 0 15px;
        margin: 30px auto 40px;
    }
    
    .contact-cards {
        gap: 30px;
        margin-bottom: 40px;
    }
    
    .contact-card {
        padding: 25px 20px;
    }
    
    .google-form-container {
        padding: 20px 15px;
    }
    
    .form-section {
        margin-top: 40px;
    }
    
    /* 确保移动端所有卡片宽度一致 */
    .contact-card,
    .address-card,
    .google-form-container {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
}

/* 修改主邮箱地址样式 - 移除左边绿色装饰线 */
.primary-email {
    font-weight: 600;
    font-size: 1.1rem;
    color: #155724; /* 深绿色 */
    padding-left: 0; /* 移除左边距 */
    border-left: none; /* 移除绿色左边框 */
    margin-top: 5px;
    display: block;
}

/* 如果有hover效果也需要调整 */
.primary-email:hover {
    color: #0c4121;
    text-decoration: underline;
}

/* 如果之前有设置过响应式调整，也一并更新 */
@media (max-width: 768px) {
    .primary-email {
        font-size: 1.05rem;
        padding-left: 0; /* 确保移动端也没有左边距 */
        border-left: none; /* 确保移动端也没有边框 */
    }
}

@media (max-width: 480px) {
    .primary-email {
        font-size: 1rem;
    }
}

/* 确保所有状态的颜色一致 */
.email-link-simple,
.email-link-simple:link,
.email-link-simple:visited,
.email-link-simple:hover,
.email-link-simple:focus,
.email-link-simple:active {
    color: #3e9344;
}

.primary-email,
.primary-email:link,
.primary-email:visited,
.primary-email:hover,
.primary-email:focus,
.primary-email:active {
    color: #3e9344;
}

/* 只在下划线效果上添加过渡 */
.email-link-simple,
.primary-email {
    transition: text-decoration 0.2s ease;
}

/* 悬停时添加下划线 */
.email-link-simple:hover,
.email-link-simple:focus,
.primary-email:hover,
.primary-email:focus {
    text-decoration: underline;
}

/* 移除焦点状态的轮廓线（可选） */
.email-link-simple:focus,
.primary-email:focus {
    outline: none;
}

/* 或者保留但修改焦点状态的轮廓线颜色为绿色 */
.email-link-simple:focus,
.primary-email:focus {
    outline: 2px solid rgba(62, 147, 68, 0.3);
    outline-offset: 2px;
}

/* 2. 修改响应时间文字颜色为绿色 */
.email-note-general strong {
    color: #3e9344; /* 改为指定的绿色 */
    font-weight: 600;
}

/* 如果其他地方也有响应时间文字，确保只修改特定区域 */
.response-note strong {
    color: #3e9344; /* 将表单区域的响应时间也改为绿色 */
    font-weight: 600;
}

/* 确保悬停效果保持一致 */
.primary-email:hover {
    color: #3e9344; /* 保持颜色不变 */
    text-decoration: underline;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .primary-email {
        font-weight: normal; /* 移动端也不加粗 */
        font-size: 1.05rem;
    }
    
    .email-note-general strong {
        color: #3e9344;
    }
}

@media (max-width: 480px) {
    .primary-email {
        font-size: 1rem;
    }
}

/* 移除社交媒体按钮的工具提示 */
.social-btn-circle::after,
.social-btn-circle::before {
    display: none !important; /* 完全移除工具提示 */
    content: none !important; /* 确保没有内容生成 */
}

/* 确保悬停时也不显示 */
.social-btn-circle:hover::after,
.social-btn-circle:hover::before,
.social-btn-circle:focus::after,
.social-btn-circle:focus::before,
.social-btn-circle:active::after,
.social-btn-circle:active::before {
    display: none !important;
    content: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
}

/* 简化悬停效果，只保留颜色和缩放变化 */
.social-btn-circle:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

/* 各平台悬停颜色保持不变 */
.social-btn-circle.twitter:hover {
    background: #1DA1F2;
    color: white;
    border-color: #1DA1F2;
}

.social-btn-circle.linkedin:hover {
    background: #0077B5;
    color: white;
    border-color: #0077B5;
}

.social-btn-circle.youtube:hover {
    background: #FF0000;
    color: white;
    border-color: #FF0000;
}

.social-btn-circle.substack:hover {
    background: #FF6719;
    color: white;
    border-color: #FF6719;
}

.social-btn-circle.scholar:hover {
    background: #4285F4;
    color: white;
    border-color: #4285F4;
}

.social-btn-circle.github:hover {
    background: #333;
    color: white;
    border-color: #333;
}

/* 移除之前可能存在的与工具提示相关的其他样式 */
.social-btn-circle[title] {
    /* 保留title属性以便屏幕阅读器使用，但移除视觉提示 */
}

/* 响应式调整保持不变 */
@media (max-width: 768px) {
    .social-btn-circle:hover {
        transform: translateY(-3px) scale(1.03);
        box-shadow: 0 8px 15px rgba(0, 0, 0, 0.12);
    }
}

/* 社交说明区域样式 */
.social-caption {
    text-align: center;
    margin-top: 25px;
    padding: 15px 20px;
    background: #f8f9fa; /* 淡灰色背景 */
    border-radius: 8px;
    width: 100%;
    max-width: 500px;
    border-left: 4px solid #3e9344; /* 改为指定的绿色边框 */
}

.social-caption p {
    margin: 0;
    color: #333; /* 深灰色文字 */
    font-size: 0.95rem;
    line-height: 1.5;
    font-weight: normal; /* 移除粗体样式，改为正常粗细 */
}

/* 响应式调整 */
@media (max-width: 768px) {
    .social-caption {
        margin-top: 20px;
        padding: 12px 16px;
        max-width: 90%;
    }
    
    .social-caption p {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .social-caption {
        padding: 10px 12px;
        max-width: 95%;
    }
    
    .social-caption p {
        font-size: 0.85rem;
    }
}

/* 统一两个邮箱地址的样式 */
.email-link-simple,
.primary-email {
    color: #3e9344;
    text-decoration: none;
    font-weight: 500;
    word-break: break-all;
    transition: text-decoration 0.2s;
    display: block;
    line-height: 1.4;
    font-size: 1.05rem;
    padding: 3px 0;
    margin-top: 0; /* 移除主邮箱的特殊外边距 */
}

/* 统一悬停效果 */
.email-link-simple:hover,
.primary-email:hover {
    text-decoration: underline;
    color: #3e9344;
}

/* 移除之前主邮箱的特殊样式 */
.primary-email {
    /* 移除所有特殊样式，完全继承.email-link-simple的样式 */
    all: unset;
    color: #3e9344;
    text-decoration: none;
    font-weight: 500;
    word-break: break-all;
    transition: text-decoration 0.2s;
    display: block;
    line-height: 1.4;
    font-size: 1.05rem;
    padding: 3px 0;
}

/* 确保所有状态一致 */
.email-link-simple:link,
.email-link-simple:visited,
.email-link-simple:hover,
.email-link-simple:focus,
.email-link-simple:active,
.primary-email:link,
.primary-email:visited,
.primary-email:hover,
.primary-email:focus,
.primary-email:active {
    color: #3e9344;
}

.email-link-simple:hover,
.email-link-simple:focus,
.primary-email:hover,
.primary-email:focus {
    text-decoration: underline;
}

/* 响应式调整保持一致 */
@media (max-width: 768px) {
    .email-link-simple,
    .primary-email {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .email-link-simple,
    .primary-email {
        font-size: 0.95rem;
    }
}

/* 方法2：重置并统一所有样式 */
.email-link-simple, 
.email-link-simple.primary-email {
    all: unset; /* 重置所有属性 */
    color: #3e9344;
    text-decoration: none;
    font-weight: 500;
    word-break: break-all;
    display: block;
    line-height: 1.4;
    font-size: 1.05rem;
    padding: 3px 0;
    cursor: pointer;
    -webkit-tap-highlight-color: rgba(62, 147, 68, 0.2);
    transition: text-decoration 0.2s;
}

.email-link-simple:hover, 
.email-link-simple.primary-email:hover {
    text-decoration: underline;
}

.email-link-simple:focus, 
.email-link-simple.primary-email:focus {
    outline: 2px solid rgba(62, 147, 68, 0.4);
    outline-offset: 2px;
}

/* 移除邮箱链接的焦点轮廓 */
.email-link-simple {
    color: #3e9344;
    text-decoration: none;
    font-weight: 500;
    word-break: break-all;
    transition: text-decoration 0.2s;
    display: block;
    line-height: 1.4;
    font-size: 1.05rem;
    padding: 3px 0;
    cursor: pointer;
}

/* 移除焦点状态的外框 */
.email-link-simple:focus,
.email-link-simple:active {
    outline: none; /* 移除默认的焦点轮廓 */
    box-shadow: none; /* 移除可能的阴影轮廓 */
}

/* 保留悬停效果 */
.email-link-simple:hover {
    text-decoration: underline;
    color: #3e9344;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .email-link-simple {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .email-link-simple {
        font-size: 0.95rem;
    }
}

/* 桌面端：增加谷歌表单容器高度 */
.google-form-container,
.form-placeholder {
    height: 1600px; /* 从1400px增加到1600px */
}

/* 中等屏幕设备调整 */
@media (max-width: 1200px) {
    .google-form-container,
    .form-placeholder {
        height: 1500px;
    }
}

@media (max-width: 992px) {
    .google-form-container,
    .form-placeholder {
        height: 1450px;
    }
}

/* 平板设备调整 */
@media (max-width: 768px) {
    .google-form-container,
    .form-placeholder {
        height: 1400px; /* 平板设备稍低一些 */
    }
    
    .form-placeholder iframe {
        height: 100%;
    }
}

/* 移动设备调整 */
@media (max-width: 576px) {
    .google-form-container,
    .form-placeholder {
        height: 1300px;
    }
}

/* 小屏幕手机调整 */
@media (max-width: 480px) {
    .google-form-container,
    .form-placeholder {
        height: 1250px;
    }
}

/* 超小屏幕手机调整 */
@media (max-width: 375px) {
    .google-form-container,
    .form-placeholder {
        height: 1200px;
    }
}

/* 确保iframe高度100%填充 */
.form-placeholder iframe {
    height: 100% !important; /* 使用!important确保覆盖任何内联样式 */
    min-height: 100%; /* 确保最小高度 */
}

/* 方案A：使用min-height代替固定height */
.google-form-container,
.form-placeholder {
    min-height: 1400px; /* 最小高度 */
    height: auto; /* 自动高度 */
}

/* 方案B：使用视口单位确保足够高度 */
@media (min-width: 769px) {
    .google-form-container,
    .form-placeholder {
        height: 1600px; /* 桌面端固定高度 */
    }
}

@media (max-width: 768px) {
    .google-form-container,
    .form-placeholder {
        height: 180vh; /* 移动端使用视口高度，确保足够空间 */
        min-height: 1200px; /* 同时设置最小高度 */
    }
}

/* 响应说明样式 - 改为绿色和淡灰色，移除所有动态效果 */
.response-note {
    background: #f8f9fa; /* 淡灰色背景，与其他部分一致 */
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    color: #495057; /* 深灰色文字，提高可读性 */
    border-left: 4px solid #3e9344; /* 改为指定的绿色边框 */
    margin-top: 30px;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 移除所有悬停效果 */
.response-note:hover {
    /* 移除所有悬停时的变化 */
    background: #f8f9fa; /* 保持与正常状态相同 */
    border-left: 4px solid #3e9344; /* 保持与正常状态相同 */
    /* 移除过渡效果 */
    transition: none;
}

/* 移除焦点和激活状态效果（点击效果） */
.response-note:focus,
.response-note:active {
    outline: none; /* 移除焦点轮廓 */
    background: #f8f9fa; /* 保持与正常状态相同 */
}

/* 响应说明中的图标颜色 */
.response-note i {
    margin-right: 10px;
    font-size: 1.2rem;
    color: #3e9344; /* 图标也改为绿色 */
}

/* 响应说明中的加粗文字 */
.response-note strong {
    color: #3e9344; /* 将加粗文字也改为绿色 */
    font-weight: 600;
}

/* 响应说明内部的段落 */
.response-note p {
    margin: 0;
    padding: 0;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .response-note {
        padding: 16px;
        margin-top: 25px;
        font-size: 0.9rem;
    }
    
    .response-note i {
        font-size: 1.1rem;
    }
}

/* 调整联系卡片布局，确保等高 */
.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
    align-items: stretch; /* 确保卡片等高 */
}

.contact-card {
    background: #fff;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid #eee;
    transition: box-shadow 0.3s ease;
    display: flex; /* 使用flex布局 */
    flex-direction: column; /* 垂直方向排列 */
    height: 100%; /* 确保高度100%填充网格 */
}

.contact-card:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

/* 邮箱部分卡片内容调整 */
.contact-card.email-section {
    justify-content: center; /* 垂直居中内容 */
    padding-top: 50px; /* 增加顶部内边距，模拟标题空间 */
    padding-bottom: 50px; /* 增加底部内边距 */
}

/* 邮箱列表样式调整（移除标题后） */
.email-list-simple {
    margin-top: 0; /* 移除原来的上边距 */
    padding: 0 10px;
    flex-grow: 1; /* 允许内容区域扩展 */
    display: flex;
    flex-direction: column;
    justify-content: center; /* 垂直居中内容 */
}

.email-category {
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.email-category:last-child {
    border-bottom: none;
    margin-bottom: 20px;
    padding-bottom: 20px;
}

/* Connect With Us卡片内容调整 */
.contact-card.connect-card {
    padding-top: 50px; /* 保持原有顶部内边距 */
    padding-bottom: 30px; /* 保持原有底部内边距 */
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* 移除connect-card中的标题相关样式 */
.connect-card .section-header {
    display: none; /* 隐藏标题区域 */
}

/* 调整社交媒体容器高度 */
.social-icons-two-rows {
    width: 100%;
    margin-top: 0; /* 移除原来的上边距 */
    padding: 20px 25px 10px 25px;
    background: transparent;
    flex-grow: 1; /* 允许内容区域扩展 */
    display: flex;
    flex-direction: column;
    justify-content: center; /* 垂直居中内容 */
}

/* 说明文字调整 */
.social-caption {
    text-align: center;
    margin-top: 25px;
    padding: 15px 20px;
    background: #f8f9fa;
    border-radius: 8px;
    width: 100%;
    max-width: 500px;
    border-left: 4px solid #3e9344;
    flex-shrink: 0; /* 防止说明文字被压缩 */
}

.social-caption p {
    margin: 0;
    color: #333;
    font-size: 0.95rem;
    line-height: 1.5;
    font-weight: normal;
}

/* 调整社交媒体按钮行距 */
.social-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin-bottom: 30px;
}

.social-row:last-child {
    margin-bottom: 0;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .contact-card {
        padding: 25px 20px;
        min-height: auto; /* 移动端允许高度自适应 */
    }
    
    .contact-card.email-section {
        padding-top: 40px;
        padding-bottom: 40px;
    }
    
    .contact-card.connect-card {
        padding-top: 40px;
        padding-bottom: 25px;
    }
    
    .email-list-simple {
        padding: 0;
    }
    
    .social-icons-two-rows {
        padding: 15px 20px 5px 20px;
    }
    
    .social-row {
        gap: 30px;
        margin-bottom: 25px;
    }
    
    .social-caption {
        margin-top: 20px;
        padding: 12px 16px;
        max-width: 90%;
    }
}

@media (max-width: 576px) {
    .contact-cards {
        grid-template-columns: 1fr;
    }
    
    .contact-card.email-section,
    .contact-card.connect-card {
        padding-top: 35px;
        padding-bottom: 35px;
    }
    
    .social-row {
        gap: 25px;
        margin-bottom: 20px;
    }
    
    .social-caption {
        padding: 10px 12px;
        max-width: 95%;
    }
}

/* 地址部分样式 */
.address-section {
    margin-bottom: 80px; /* 从原来的60px增加到80px，增加20px间距 */
}

/* 表单部分样式 */
.form-section {
    margin-top: 60px; /* 保持60px的顶部间距 */
}

/* 如果要更明显增加间距，可以将两者都调整 */
/*
.address-section {
    margin-bottom: 100px; // 或者增加到100px
}

.form-section {
    margin-top: 80px; // 或者增加到80px
}
*/

/* 响应式调整 */
@media (max-width: 768px) {
    .address-section {
        margin-bottom: 60px; /* 移动端保持60px，或减少一些 */
    }
    
    .form-section {
        margin-top: 50px; /* 移动端减少顶部间距 */
    }
}

@media (max-width: 480px) {
    .address-section {
        margin-bottom: 50px; /* 小屏幕设备进一步减少 */
    }
    
    .form-section {
        margin-top: 40px; /* 小屏幕设备进一步减少 */
    }
}

/* 页面标题区样式 - 与papers.html保持一致 */
.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);
    }
}

/* 页面导语样式 - 与papers.html保持一致 */
.page-intro {
    max-width: 800px;
    margin: 40px auto 60px;
    padding: 0 20px;
    text-align: center;
    color: #555;
    font-size: 1.1rem;
    line-height: 1.6;
}

/* 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;
    }
}

/* 移动端响应式设计 - 与papers.html保持一致 */
@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;
    }
    
    /* 页面导语在移动端的样式 */
    .page-intro {
        max-width: 100%;
        margin: 30px auto 40px;
        padding: 0 15px;
        font-size: 1rem;
        line-height: 1.5;
    }
}

@media (max-width: 420px) {
    .page-header {
        padding: 28px 0 42px;
    }
    
    .page-header h1 {
        font-size: 25.2px;
    }
    
    .page-subtitle {
        font-size: 14px;
    }
    
    /* 小屏幕手机上的页面导语 */
    .page-intro {
        margin: 20px auto 30px;
        font-size: 0.95rem;
        line-height: 1.4;
    }
}

/* 确保面包屑导航在移动端也显示正常 */
@media (max-width: 672px) {
    .breadcrumb {
        justify-content: center;
        font-size: 13px;
        margin-bottom: 24px;
        flex-wrap: wrap;
    }
    
    .breadcrumb a,
    .breadcrumb .separator,
    .breadcrumb .current {
        font-size: 13px;
    }
    
    .breadcrumb .separator {
        margin: 0 5px;
    }
}

/* 针对超小屏幕手机（如iPhone SE）的特殊调整 */
@media (max-width: 375px) {
    .page-header h1 {
        font-size: 23px;
    }
    
    .page-subtitle {
        font-size: 13px;
    }
    
    .page-intro {
        font-size: 0.9rem;
        padding: 0 12px;
    }
}

/* 确保在移动端横屏模式下也有良好显示 */
@media (max-width: 768px) and (orientation: landscape) {
    .page-header h1 {
        font-size: 30px;
    }
    
    .page-subtitle {
        font-size: 16px;
    }
    
    .page-intro {
        max-width: 90%;
        margin: 25px auto 35px;
    }
}

/* 确保移动端所有元素不会超出容器 */
.page-header *,
.page-intro * {
    max-width: 100%;
    word-wrap: break-word;
}

/* 移动端触摸友好 - 增加可点击区域 */
@media (max-width: 768px) {
    .breadcrumb a {
        min-height: 44px; /* iOS推荐的最小触摸目标尺寸 */
        min-width: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 5px;
    }
}

/* 针对折叠屏手机或平板电脑的特殊优化 */
@media (max-width: 1024px) and (min-width: 769px) {
    .page-header {
        padding: 50px 0 80px;
    }
    
    .page-header h1 {
        font-size: 38px;
    }
    
    .page-subtitle {
        font-size: 18px;
    }
    
    .page-intro {
        max-width: 85%;
        margin: 35px auto 50px;
    }
}

/* 针对屏幕高度较小的设备优化 */
@media (max-height: 700px) and (max-width: 768px) {
    .page-header {
        padding: 30px 0 40px;
    }
    
    .banner-content {
        padding-top: 10px;
    }
    
    .page-intro {
        margin: 20px auto 30px;
    }
}

/* 确保页面标题和导语在移动端整体布局协调 */
@media (max-width: 768px) {
    .contact-container {
        padding: 0 15px; /* 与页面导语保持相同内边距 */
    }
    
    /* 确保移动端所有卡片宽度一致 */
    .contact-card,
    .address-card,
    .google-form-container {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
}

/* 优化移动端阅读体验 */
@media (max-width: 768px) {
    .page-intro p {
        text-align: justify;
        text-justify: inter-word;
        hyphens: auto;
    }
}

/* 确保桌面端两个卡片等高 */
@media (min-width: 769px) {
    .contact-cards {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
        margin-bottom: 60px;
        align-items: stretch; /* 确保卡片拉伸到相同高度 */
    }
    
    .contact-card {
        display: flex;
        flex-direction: column;
        height: 100%; /* 使卡片占满网格单元格高度 */
        min-height: 500px; /* 设置最小高度，确保两个卡片有足够空间 */
    }
    
    /* 邮箱卡片内部布局调整 */
    .contact-card.email-section {
        justify-content: space-between; /* 内容在垂直方向均匀分布 */
    }
    
    .email-list-simple {
        flex-grow: 1; /* 允许邮箱列表区域增长以填充可用空间 */
        display: flex;
        flex-direction: column;
        justify-content: center; /* 垂直居中邮箱内容 */
    }
    
    /* Connect卡片内部布局调整 */
    .contact-card.connect-card {
        justify-content: space-between; /* 内容在垂直方向均匀分布 */
        padding-top: 30px; /* 减少顶部内边距以匹配邮箱卡片 */
    }
    
    .social-icons-two-rows {
        flex-grow: 1; /* 允许社交媒体区域增长以填充可用空间 */
        display: flex;
        flex-direction: column;
        justify-content: center; /* 垂直居中社交媒体内容 */
    }
}

/* 大屏幕进一步优化 */
@media (min-width: 992px) {
    .contact-card {
        min-height: 550px; /* 在大屏幕上增加最小高度 */
    }
}

/* 超大屏幕调整 */
@media (min-width: 1200px) {
    .contact-card {
        min-height: 600px; /* 在超大屏幕上进一步增加最小高度 */
    }
}