/* 黄必录衰老研究所 - 最终色彩体系 */
:root {
    /* 核心品牌色 */
    --primary-color: #37883f;        /* 主绿色：生命科学，稳定根基 */
    --secondary-color: #45a049;      /* 辅助绿色：互动与活力 */
    --accent-color: #DB0058 !important;         /* 点缀色：三角梅玫红，象征生命力与突破 */

    /* 功能色 */
    --light-bg: #f8f9fa;             /* 浅色背景 */
    --dark-bg: #37883f;              /* 深色背景（导航栏等）*/
    --text-color: #333;              /* 主要文字色 */
    --light-text: #fff;              /* 反白文字 */

    /* Logo渐变标准色 */
    --logo-gradient-start: #37883f;  /* 渐变起始色 */
    --logo-gradient-end: #4bc753;    /* 渐变结束色 */
    
    /* 其他变量 */
    --container-width: 1200px;
    --section-padding: 80px 0;
    --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: var(--section-padding);
}

h1, h2, h3, h4 {
    margin-bottom: 16px;
    line-height: 1.2;
}

h1 {
    font-size: 40px;
}

h2 {
    font-size: 32px;
    text-align: center;
    margin-bottom: 48px;
    position: relative;
    font-weight: 700;
    letter-spacing: -0.5px;
    
    /* 样式4: 渐变文字 */
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    padding-bottom: 24px;
}

h2:after {
    content: '';
    display: block;
    width: 120px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    border-radius: 4px;
    margin: 24px auto 0;
}

h3 {
    font-size: 24px;
}

p {
    margin-bottom: 16px;
}

/* 副标题居中样式 */
.section-subtitle {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 32px;
    font-size: 17.6px;
    color: #666;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* 椭圆形按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px; /* 椭圆形 */
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 16px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--light-text);
}

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

.btn-accent {
    background-color: var(--accent-color);
    color: var(--light-text);
}

.btn-accent:hover {
    background-color: #c0004a;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--light-text);
}

/* 导航栏 */
header {
    background-color: var(--dark-bg);
    color: var(--light-text);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    display: flex;
    align-items: center;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--logo-gradient-start), var(--logo-gradient-end));
    border-radius: 50%;
    margin-right: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light-text);
    font-weight: bold;
}

.nav-links {
    display: flex;
}

.nav-links li {
    margin-left: 30px;
    position: relative;
}

.nav-links a {
    color: var(--light-text);
    font-weight: 500;
}

.nav-links a:hover {
    color: rgba(255, 255, 255, 0.8);
}

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

.dropdown-content {
    display: none;
    position: absolute;
    background-color: var(--light-text);
    min-width: 200px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    z-index: 1;
    border-radius: 4px;
    overflow: hidden;
    top: 100%;
    left: 0;
}

.dropdown-content a {
    color: var(--text-color);
    padding: 12px 16px;
    display: block;
    border-bottom: 1px solid #eee;
}

.dropdown-content a:hover {
    background-color: var(--light-bg);
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown::after {
    content: "▾";
    margin-left: 5px;
    font-size: 12.8px;
}

/* TRCS Model导航项特殊样式 - 只保留原点 */
.nav-links li.trcs-item a {
    position: relative;
}

.nav-links li.trcs-item a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background-color: var(--accent-color);
    border-radius: 50%;
    opacity: 0;
    transition: var(--transition);
}

.nav-links li.trcs-item.active a::after {
    opacity: 1;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--light-text);
    font-size: 24px;
    cursor: pointer;
}

/* Banner区域 - 撑满整个屏幕 */
.banner {
    background: linear-gradient(rgba(55, 136, 63, 0.8), rgba(55, 136, 63, 0.7)), url('https://images.unsplash.com/photo-1532094349884-543bc11b234d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') no-repeat center center;
    background-size: cover;
    color: var(--light-text);
    text-align: center;
    height: 100vh; /* 撑满整个屏幕 */
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner-content {
    max-width: 800px;
    margin: 0 auto;
}

.banner h1 {
    font-size: 48px;
    margin-bottom: 24px;
    color: var(--light-text);
    background: none;
    -webkit-background-clip: initial;
    background-clip: initial;
}

.banner p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.banner-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* 双栏布局 */
.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

/* 个人宣言区 - 背景改为白色 */
.personal-journey {
    background-color: white;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 8px;
}

blockquote {
    font-style: italic;
    font-size: 19.2px;
    line-height: 1.8;
    border-left: 4px solid var(--accent-color);
    padding-left: 20px;
    margin: 20px 0;
}

cite {
    display: block;
    margin-top: 15px;
    font-style: normal;
    font-weight: 600;
}

/* 研究焦点区 */
.research-focus-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.research-card {
    background-color: var(--light-bg);
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.research-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.card-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background-color: rgba(55, 136, 63, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 28.8px;
}

/* TRCS模型区 - 去掉玫红色边框，标题改为绿色 */
.trcs-section {
    background-color: rgba(219, 0, 88, 0.05);
}

.trcs-section h2 {
    /* 使用绿色渐变 */
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    background-clip: text;
}

.trcs-diagrams {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.trcs-diagram {
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--card-shadow);
    text-align: center;
}

.diagram-placeholder {
    height: 250px;
    background-color: #f0f0f0;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #777;
    margin-bottom: 15px;
}

.trcs-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.trcs-link {
    color: var(--accent-color);
    font-weight: 600;
}

.trcs-link:hover {
    text-decoration: underline;
}

/* 出版物区 */
.publication {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
    align-items: center;
    background-color: var(--light-bg);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    margin-bottom: 30px;
}

.publication-cover {
    height: 350px;
    background-color: #e9e9e9;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #777;
}

.publication-info h3 {
    margin-bottom: 10px;
}

.publication-meta {
    color: #666;
    margin-bottom: 15px;
}

.publication-actions {
    margin-top: 20px;
}

/* 新闻区 - 背景改为白色，并改为左边主新闻，右边两条副新闻的样式 */
.news-section {
    background-color: white;
}

.news-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.main-news {
    background-color: var(--light-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.main-news-image {
    height: 250px;
    background-color: #e9e9e9;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #777;
}

.main-news-content {
    padding: 25px;
}

.main-news-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 10px;
    font-size: 14.4px;
    color: #666;
}

.main-news h3 {
    margin-bottom: 15px;
}

.side-news {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.side-news-item {
    background-color: var(--light-bg);
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--card-shadow);
}

.side-news-meta {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
    font-size: 12.8px;
    color: #666;
}

.side-news h4 {
    margin-bottom: 10px;
    font-size: 17.6px;
}

.news-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-block;
    margin-top: 10px;
}

.news-link:hover {
    color: var(--secondary-color);
}

/* 联系区 */
.contact-info h3 {
    margin-top: 20px;
}

.contact-info h3:first-child {
    margin-top: 0;
}

.team-photo {
    height: 300px;
    background-color: #e9e9e9;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #777;
}

/* 页脚 */
footer {
    background-color: var(--dark-bg);
    color: var(--light-text);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    margin-bottom: 20px;
}

.footer-column h4 {
    margin-bottom: 20px;
    font-size: 17.6px;
    color: var(--light-text);
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a:hover {
    color: rgba(255, 255, 255, 0.8);
}

.newsletter input {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 4px;
    margin-bottom: 10px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14.4px;
}

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

.social-links a {
    display: inline-block;
    width: 36px;
    height: 36px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    text-align: center;
    line-height: 36px;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

.footer-bottom-links a:hover {
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .research-focus-cards {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .news-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 672px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--dark-bg);
        flex-direction: column;
        padding: 17.5px;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        margin: 8.75px 0;
    }
    
    .dropdown-content {
        position: static;
        box-shadow: none;
        display: none;
        background-color: rgba(255, 255, 255, 0.1);
    }
    
    .dropdown:hover .dropdown-content {
        display: block;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .two-column {
        grid-template-columns: 1fr;
    }
    
    .banner-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .trcs-diagrams {
        grid-template-columns: 1fr;
    }
    
    .trcs-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .publication {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 17.5px;
        text-align: center;
    }
    
    h2 {
        font-size: 25.2px;
    }
}

/* Banner区域 - 使用本地图片，去除遮罩 */
.banner {
    background: url('../image/banner.jpg') no-repeat center center;
    background-size: cover;
    color: var(--light-text);
    text-align: center;
    height: 100vh; /* 撑满整个屏幕 */
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 小屏幕设备使用不同的Banner图片 */
@media (max-width: 672px) {
    .banner {
        background: url('../image/banner2.jpg') no-repeat center center;
        background-size: cover;
    }
}

/* 新闻区域新样式 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.news-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.news-image {
    height: 200px;
    background-color: #e9e9e9;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #777;
}

.news-content {
    padding: 25px;
}

.news-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 10px;
    font-size: 14.4px;
    color: #666;
}

.news-meta .date {
    font-weight: 600;
}

.news-meta .category {
    background-color: var(--light-bg);
    padding: 2px 8px;
    border-radius: 4px;
}

.news-card h3 {
    margin-bottom: 15px;
    font-size: 20.8px;
}

.news-card p {
    margin-bottom: 15px;
    color: #666;
}

.news-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-block;
    margin-top: 10px;
}

.news-link:hover {
    color: var(--secondary-color);
}

/* 响应式调整 */
@media (max-width: 672px) {
    .news-grid {
        grid-template-columns: 1fr;
    }
}

/* 最新出版物区域样式优化 */
.publications-section {
    background-color: var(--light-bg);
    padding: var(--section-padding);
}

.publication-highlight {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
    background-color: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--card-shadow);
    margin-bottom: 30px;
    transition: var(--transition);
}

.publication-highlight:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.publication-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.publication-cover {
    position: relative;
    width: 100%;
    margin-bottom: 20px;
}

.cover-image {
    height: 350px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #777;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.journal-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: var(--primary-color);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12.8px;
    font-weight: 600;
}

.publication-details {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.publication-header {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.publication-year {
    background-color: var(--accent-color);
    color: white;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 14.4px;
    font-weight: 600;
}

.publication-type {
    background-color: var(--light-bg);
    color: var(--text-color);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 14.4px;
}

.publication-details h3 {
    margin-bottom: 10px;
    font-size: 24px;
    line-height: 1.3;
}

.publication-authors {
    margin-bottom: 20px;
    color: #666;
    font-style: italic;
}

.publication-abstract {
    margin-bottom: 25px;
    line-height: 1.6;
}

.publication-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.publication-actions .btn {
    display: flex;
    align-items: center;
    gap: 8px;
}

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

/* 响应式设计 */
@media (max-width: 992px) {
    .publication-highlight {
        grid-template-columns: 250px 1fr;
        gap: 30px;
    }
    
    .cover-image {
        height: 300px;
    }
}

@media (max-width: 672px) {
    .publication-highlight {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .publication-header {
        justify-content: center;
    }
    
    .publication-actions {
        justify-content: center;
    }
    
    .cover-image {
        height: 218.75px;
    }
}

/* 最新出版物区域样式优化 - 背景改为白色 */
.publications-section {
    background-color: white; /* 修改为白色背景 */
    padding: var(--section-padding);
}

.publication-highlight {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
    background-color: var(--light-bg); /* 卡片保持浅色背景以区分 */
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--card-shadow);
    margin-bottom: 30px;
    transition: var(--transition);
}

/* 其余样式保持不变 */
.publication-highlight:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.publication-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.publication-cover {
    position: relative;
    width: 100%;
    margin-bottom: 20px;
}

.cover-image {
    height: 350px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #777;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.journal-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: var(--primary-color);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12.8px;
    font-weight: 600;
}

.publication-details {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.publication-header {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.publication-year {
    background-color: var(--accent-color);
    color: white;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 14.4px;
    font-weight: 600;
}

.publication-type {
    background-color: var(--light-bg);
    color: var(--text-color);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 14.4px;
}

.publication-details h3 {
    margin-bottom: 10px;
    font-size: 24px;
    line-height: 1.3;
}

.publication-authors {
    margin-bottom: 20px;
    color: #666;
    font-style: italic;
}

.publication-abstract {
    margin-bottom: 25px;
    line-height: 1.6;
}

.publication-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.publication-actions .btn {
    display: flex;
    align-items: center;
    gap: 8px;
}

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

/* 响应式设计 */
@media (max-width: 992px) {
    .publication-highlight {
        grid-template-columns: 250px 1fr;
        gap: 30px;
    }
    
    .cover-image {
        height: 300px;
    }
}

@media (max-width: 672px) {
    .publication-highlight {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .publication-header {
        justify-content: center;
    }
    
    .publication-actions {
        justify-content: center;
    }
    
    .cover-image {
        height: 218.75px;
    }
}

.publication-actions {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.publication-actions .btn {
    display: flex;
    align-items: center;
    gap: 8px;
}

.doi-link {
    color: #666;
    font-size: 14.4px;
}

.doi-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.doi-link a:hover {
    text-decoration: underline;
}

/* 响应式调整 */
@media (max-width: 672px) {
    .publication-actions {
        flex-direction: column;
        align-items: flex-start;
        gap: 8.75px;
    }
}

/* 页脚样式优化 */
footer {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #2a6b31 100%);
    color: var(--light-text);
    padding: 80px 0 30px;
    position: relative;
    overflow: hidden;
}

/* 添加装饰性背景元素 */
footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
}

footer::after {
    content: '';
    position: absolute;
    bottom: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(219, 0, 88, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

.footer-logo {
    margin-bottom: 25px;
}

.footer-logo .logo {
    font-size: 25.6px;
    display: flex;
    align-items: center;
}

.footer-logo .logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--logo-gradient-start), var(--logo-gradient-end));
    border-radius: 50%;
    margin-right: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light-text);
    font-weight: bold;
    font-size: 19.2px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.footer-column h4 {
    margin-bottom: 25px;
    font-size: 19.2px;
    color: var(--light-text);
    position: relative;
    padding-bottom: 10px;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--accent-color);
    border-radius: 2px;
}

.footer-links li {
    margin-bottom: 12px;
    transition: var(--transition);
}

.footer-links li:hover {
    transform: translateX(5px);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.footer-links a::before {
    content: '▸';
    margin-right: 8px;
    color: var(--accent-color);
    font-size: 12.8px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--light-text);
    transform: translateX(3px);
}

.footer-links a:hover::before {
    transform: translateX(3px);
}

.newsletter {
    background: rgba(255, 255, 255, 0.05);
    padding: 25px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.newsletter p {
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 15.2px;
}

.newsletter input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    margin-bottom: 15px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--light-text);
    font-size: 15.2px;
    transition: var(--transition);
}

.newsletter input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.newsletter input:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(219, 0, 88, 0.1);
}

.newsletter .btn {
    width: 100%;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
}

.newsletter .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(219, 0, 88, 0.3);
}

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--light-text);
    transition: var(--transition);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(219, 0, 88, 0.3);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    font-size: 14.4px;
    position: relative;
    z-index: 1;
}

.footer-bottom-links {
    display: flex;
    gap: 25px;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
    position: relative;
}

.footer-bottom-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

.footer-bottom-links a:hover {
    color: var(--light-text);
}

.footer-bottom-links a:hover::after {
    width: 100%;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 672px) {
    footer {
        padding: 52.5px 0 21.88px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30.62px;
        text-align: center;
    }
    
    .footer-column h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-links a::before {
        display: none;
    }
    
    .footer-links li:hover {
        transform: none;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 17.5px;
        text-align: center;
    }
    
    .footer-bottom-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 13.12px;
    }
    
    .social-links {
        justify-content: center;
    }
}

/* 页脚样式优化 */
footer {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #2a6b31 100%);
    color: var(--light-text);
    padding: 80px 0 30px;
    position: relative;
    overflow: hidden;
}

/* 去掉玫红色装饰线 */
footer::before {
    display: none;
}

footer::after {
    content: '';
    position: absolute;
    bottom: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(219, 0, 88, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

.footer-logo {
    margin-bottom: 25px;
}

.footer-logo .logo {
    font-size: 25.6px;
    display: flex;
    align-items: center;
}

.footer-logo .logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--logo-gradient-start), var(--logo-gradient-end));
    border-radius: 50%;
    margin-right: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light-text);
    font-weight: bold;
    font-size: 19.2px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.footer-column h4 {
    margin-bottom: 25px;
    font-size: 19.2px;
    color: var(--light-text);
    position: relative;
    padding-bottom: 10px;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--accent-color);
    border-radius: 2px;
}

.footer-links li {
    margin-bottom: 12px;
    transition: var(--transition);
}

.footer-links li:hover {
    transform: translateX(5px);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    transition: var(--transition);
}

/* 去掉外链文字前的玫红色小圆点 */
.footer-links a::before {
    display: none;
}

.footer-links a:hover {
    color: var(--light-text);
    transform: translateX(3px);
}

.newsletter {
    background: rgba(255, 255, 255, 0.05);
    padding: 25px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.newsletter p {
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 15.2px;
}

.newsletter input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    margin-bottom: 15px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--light-text);
    font-size: 15.2px;
    transition: var(--transition);
}

.newsletter input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.newsletter input:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(219, 0, 88, 0.1);
}

.newsletter .btn {
    width: 100%;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
}

.newsletter .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(219, 0, 88, 0.3);
}

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

/* 放大社交媒体标志 */
.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px; /* 从42px增加到48px */
    height: 48px; /* 从42px增加到48px */
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--light-text);
    transition: var(--transition);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 20.8px; /* 增加字体大小 */
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(219, 0, 88, 0.3);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    font-size: 14.4px;
    position: relative;
    z-index: 1;
}

.footer-bottom-links {
    display: flex;
    gap: 25px;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
    position: relative;
}

.footer-bottom-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

.footer-bottom-links a:hover {
    color: var(--light-text);
}

.footer-bottom-links a:hover::after {
    width: 100%;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 672px) {
    footer {
        padding: 52.5px 0 21.88px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30.62px;
        text-align: center;
    }
    
    .footer-column h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-links a::before {
        display: none;
    }
    
    .footer-links li:hover {
        transform: none;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 17.5px;
        text-align: center;
    }
    
    .footer-bottom-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 13.12px;
    }
    
    .social-links {
        justify-content: center;
    }
}

/* 页脚样式优化 */
footer {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #2a6b31 100%);
    color: var(--light-text);
    padding: 80px 0 30px;
    position: relative;
    overflow: hidden;
}

/* 去掉玫红色装饰线 */
footer::before {
    display: none;
}

footer::after {
    content: '';
    position: absolute;
    bottom: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(219, 0, 88, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

.footer-logo {
    margin-bottom: 25px;
}

.footer-logo .logo {
    font-size: 25.6px;
    display: flex;
    align-items: center;
}

.footer-logo .logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--logo-gradient-start), var(--logo-gradient-end));
    border-radius: 50%;
    margin-right: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light-text);
    font-weight: bold;
    font-size: 19.2px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.footer-column h4 {
    margin-bottom: 25px;
    font-size: 19.2px;
    color: var(--light-text);
    position: relative;
    padding-bottom: 10px;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--accent-color);
    border-radius: 2px;
}

.footer-links li {
    margin-bottom: 12px;
    transition: var(--transition);
}

.footer-links li:hover {
    transform: translateX(5px);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    transition: var(--transition);
}

/* 去掉外链文字前的玫红色小圆点 */
.footer-links a::before {
    display: none;
}

.footer-links a:hover {
    color: var(--light-text);
    transform: translateX(3px);
}

.newsletter {
    background: rgba(255, 255, 255, 0.05);
    padding: 25px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.newsletter p {
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 15.2px;
}

.newsletter input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    margin-bottom: 15px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--light-text);
    font-size: 15.2px;
    transition: var(--transition);
}

.newsletter input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

/* 去掉输入邮箱时的玫红色边框样式 */
.newsletter input:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.4); /* 改为白色系边框 */
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1); /* 去掉玫红色阴影 */
}

.newsletter .btn {
    width: 100%;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
}

.newsletter .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(219, 0, 88, 0.3);
}

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

/* 放大社交媒体标志 */
.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px; /* 从42px增加到48px */
    height: 48px; /* 从42px增加到48px */
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--light-text);
    transition: var(--transition);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 20.8px; /* 增加字体大小 */
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(219, 0, 88, 0.3);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    font-size: 14.4px;
    position: relative;
    z-index: 1;
}

.footer-bottom-links {
    display: flex;
    gap: 25px;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
    position: relative;
}

/* 去掉Privacy Policy等链接的玫红色下划线 */
.footer-bottom-links a::after {
    display: none; /* 完全移除玫红色下划线 */
}

.footer-bottom-links a:hover {
    color: var(--light-text);
    text-decoration: underline; /* 添加白色下划线 */
}

/* 响应式设计 */
@media (max-width: 992px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 672px) {
    footer {
        padding: 52.5px 0 21.88px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30.62px;
        text-align: center;
    }
    
    .footer-column h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-links a::before {
        display: none;
    }
    
    .footer-links li:hover {
        transform: none;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 17.5px;
        text-align: center;
    }
    
    .footer-bottom-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 13.12px;
    }
    
    .social-links {
        justify-content: center;
    }
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--light-text);
    transition: var(--transition);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 20.8px;
}

/* 白色系悬停效果 - 方案二 */
.social-links a:hover {
    background: rgba(255, 255, 255, 0.2); /* 更亮的半透明白色 */
    color: var(--light-text); /* 保持白色图标 */
    border-color: rgba(255, 255, 255, 0.5); /* 边框变亮 */
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(255, 255, 255, 0.2); /* 白色光晕效果 */
}

/* 导航栏 - 初始透明状态 */
header {
    background-color: transparent;
    color: var(--light-text);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    box-shadow: none;
}

/* 滚动后的导航栏样式 */
header.scrolled {
    background-color: var(--dark-bg);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    transition: var(--transition);
}

/* 滚动后增加导航栏内边距 */
header.scrolled .navbar {
    padding: 10px 0;
}

/* 导航链接样式 */
.nav-links a {
    color: var(--light-text);
    font-weight: 500;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3); /* 增加文字阴影，提高在透明背景上的可读性 */
}

.nav-links a:hover {
    color: rgba(255, 255, 255, 0.9);
}

/* 下拉菜单在透明状态下的样式调整 */
.dropdown-content {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

/* 移动端菜单按钮样式 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--light-text);
    font-size: 24px;
    cursor: pointer;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* 响应式设计 */
@media (max-width: 672px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--dark-bg);
        flex-direction: column;
        padding: 17.5px;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        margin: 8.75px 0;
    }
    
    .dropdown-content {
        position: static;
        box-shadow: none;
        display: none;
        background-color: rgba(255, 255, 255, 0.1);
    }
    
    .dropdown:hover .dropdown-content {
        display: block;
    }
    
    .mobile-menu-btn {
        display: block;
    }
}

/* 椭圆形按钮样式 - 翻新版本 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 16px;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* 添加按钮悬停时的微光效果 */
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--light-text);
    box-shadow: 0 4px 15px rgba(55, 136, 63, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(55, 136, 63, 0.4);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent-color) 0%, #e91e63 100%);
    color: var(--light-text);
    box-shadow: 0 4px 15px rgba(219, 0, 88, 0.3);
}

.btn-accent:hover {
    background: linear-gradient(135deg, #e91e63 0%, var(--accent-color) 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(219, 0, 88, 0.4);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    position: relative;
    z-index: 1;
}

.btn-outline::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    transition: var(--transition);
    z-index: -1;
    border-radius: 50px;
}

.btn-outline:hover {
    color: var(--light-text);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(55, 136, 63, 0.3);
}

.btn-outline:hover::after {
    width: 100%;
}

/* 按钮图标样式 */
.btn i {
    font-size: 0.9em;
    transition: transform 0.3s ease;
}

.btn:hover i {
    transform: translateX(3px);
}

/* 按钮按下效果 */
.btn:active {
    transform: translateY(-1px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* 响应式调整 */
@media (max-width: 672px) {
    .btn {
        padding: 10.5px 21px;
        font-size: 13.3px;
    }
}

/* Banner区域按钮样式调整 */
.banner-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* 白色系毛玻璃按钮 */
.btn-glass {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.3);
    font-size: 16px;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    
    /* 毛玻璃效果 */
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--light-text);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* 添加按钮悬停时的微光效果 */
.btn-glass::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-glass:hover::before {
    left: 100%;
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

/* 按钮按下效果 */
.btn-glass:active {
    transform: translateY(-1px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

/* 响应式调整 */
@media (max-width: 672px) {
    .banner-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-glass {
        padding: 10.5px 21px;
        font-size: 13.3px;
    }
}

/* 向下箭头按钮样式 */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--light-text);
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.scroll-arrow:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* 弹跳动画 */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) translateX(-50%);
    }
    40% {
        transform: translateY(-10px) translateX(-50%);
    }
    60% {
        transform: translateY(-5px) translateX(-50%);
    }
}

/* 响应式调整 */
@media (max-width: 672px) {
    .scroll-indicator {
        bottom: 17.5px;
    }
    
    .scroll-arrow {
        width: 39.38px;
        height: 39.38px;
        font-size: 18.2px;
    }
}

/* 向下箭头按钮样式 - 连接到个人宣言区 */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--light-text);
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.scroll-arrow:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* 弹跳动画 */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) translateX(-50%);
    }
    40% {
        transform: translateY(-10px) translateX(-50%);
    }
    60% {
        transform: translateY(-5px) translateX(-50%);
    }
}

/* 响应式调整 */
@media (max-width: 672px) {
    .scroll-indicator {
        bottom: 17.5px;
    }
    
    .scroll-arrow {
        width: 39.38px;
        height: 39.38px;
        font-size: 18.2px;
    }
}

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

/* 返回顶部按钮样式 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary-color);
    color: var(--light-text);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(55, 136, 63, 0.3);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    border: none;
    outline: none;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--secondary-color);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(55, 136, 63, 0.4);
}

.back-to-top:active {
    transform: translateY(-2px);
}

/* 响应式调整 */
@media (max-width: 672px) {
    .back-to-top {
        bottom: 17.5px;
        right: 17.5px;
        width: 43.75px;
        height: 43.75px;
        font-size: 18.2px;
    }
}

/* TRCS模型区 - 标题改为玫红色 */
.trcs-section h2 {
    /* 使用玫红色渐变 */
    background: linear-gradient(135deg, var(--accent-color) 0%, #e91e63 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* TRCS模型区 - 翻新样式 */
.trcs-section {
    background: linear-gradient(135deg, rgba(219, 0, 88, 0.05) 0%, rgba(255, 255, 255, 0.1) 100%);
    position: relative;
    overflow: hidden;
}

/* 添加装饰性背景元素 */
.trcs-section::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(219, 0, 88, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.trcs-section::after {
    content: '';
    position: absolute;
    bottom: -50px;
    left: -50px;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(55, 136, 63, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

.trcs-section .container {
    position: relative;
    z-index: 1;
}

/* TRCS标题样式 */
.trcs-section h2 {
    background: linear-gradient(135deg, var(--accent-color) 0%, #e91e63 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    position: relative;
    display: inline-block;
}

.trcs-section h2:after {
    content: '';
    display: block;
    width: 120px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), rgba(219, 0, 88, 0.5));
    border-radius: 4px;
    margin: 24px auto 0;
}

/* 副标题样式 */
.trcs-section .section-subtitle {
    color: #666;
    font-size: 17.6px;
    max-width: 700px;
    margin: 0 auto 48px;
}

/* TRCS图表容器样式 */
.trcs-diagrams {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.trcs-diagram {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.trcs-diagram:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.trcs-diagram::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--primary-color));
}

.diagram-placeholder {
    height: 250px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #777;
    margin-bottom: 20px;
    font-weight: 500;
}

.trcs-diagram h3 {
    color: var(--text-color);
    font-size: 22.4px;
    margin-bottom: 10px;
}

/* TRCS操作按钮样式 */
.trcs-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    align-items: center;
}

.trcs-link {
    color: var(--accent-color);
    font-weight: 600;
    position: relative;
    padding-bottom: 2px;
}

.trcs-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

.trcs-link:hover {
    color: var(--accent-color);
}

.trcs-link:hover::after {
    width: 100%;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .trcs-diagrams {
        gap: 30px;
    }
}

@media (max-width: 672px) {
    .trcs-diagrams {
        grid-template-columns: 1fr;
        gap: 21.88px;
    }
    
    .trcs-actions {
        flex-direction: column;
        gap: 13.12px;
    }
    
    .trcs-diagram {
        padding: 21.88px 17.5px;
    }
}

/* TRCS模型区 - 微调版本 */
.trcs-section {
    background: linear-gradient(135deg, rgba(219, 0, 88, 0.05) 0%, rgba(255, 255, 255, 0.1) 100%);
    position: relative;
    overflow: hidden;
}

/* 添加装饰性背景元素 */
.trcs-section::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(219, 0, 88, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.trcs-section::after {
    content: '';
    position: absolute;
    bottom: -50px;
    left: -50px;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(55, 136, 63, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

.trcs-section .container {
    position: relative;
    z-index: 1;
}

/* TRCS标题样式 - 与其他区域保持一致 */
.trcs-section h2 {
    background: linear-gradient(135deg, var(--accent-color) 0%, #e91e63 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-align: center;
    margin-bottom: 48px;
    position: relative;
    font-weight: 700;
    letter-spacing: -0.5px;
    padding-bottom: 24px;
}

.trcs-section h2:after {
    content: '';
    display: block;
    width: 120px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    border-radius: 4px;
    margin: 24px auto 0;
}

/* 副标题样式 */
.trcs-section .section-subtitle {
    color: #666;
    font-size: 17.6px;
    max-width: 700px;
    margin: 0 auto 48px;
    text-align: center;
}

/* TRCS图表容器样式 */
.trcs-diagrams {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.trcs-diagram {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.trcs-diagram:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

/* 修改卡片顶部边框为玫红色 */
.trcs-diagram::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-color); /* 改为纯玫红色 */
}

.diagram-placeholder {
    height: 250px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #777;
    margin-bottom: 20px;
    font-weight: 500;
}

.trcs-diagram h3 {
    color: var(--text-color);
    font-size: 22.4px;
    margin-bottom: 10px;
}

/* TRCS操作按钮样式 */
.trcs-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    align-items: center;
}

.trcs-link {
    color: var(--accent-color);
    font-weight: 600;
    position: relative;
    padding-bottom: 2px;
}

.trcs-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

.trcs-link:hover {
    color: var(--accent-color);
}

.trcs-link:hover::after {
    width: 100%;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .trcs-diagrams {
        gap: 30px;
    }
}

@media (max-width: 672px) {
    .trcs-diagrams {
        grid-template-columns: 1fr;
        gap: 21.88px;
    }
    
    .trcs-actions {
        flex-direction: column;
        gap: 13.12px;
    }
    
    .trcs-diagram {
        padding: 21.88px 17.5px;
    }
}

/* 增加特异性确保居中 */
section.trcs-section h2 {
    text-align: center !important;
    display: block !important;
    width: 100% !important;
}

/* TRCS链接样式 - 简化版本 */
.trcs-link {
    color: var(--accent-color);
    font-weight: 600;
    position: relative;
    padding-bottom: 2px;
    text-decoration: none; /* 确保默认状态下没有下划线 */
}

.trcs-link:hover {
    color: var(--accent-color);
    text-decoration: underline; /* 鼠标悬停时直接显示下划线 */
    text-decoration-color: var(--accent-color); /* 确保下划线颜色是玫红色 */
}

/* 去掉之前的下划线动画效果 */
.trcs-link::after {
    display: none; /* 完全移除伪元素下划线 */
}

/* 研究焦点区副标题修改 */
/* 原来的文本将改为强调pinpoint precision级别的理论 */

/* Banner区域响应式调整 */
.banner h1 {
    font-size: 48px; /* 桌面端标题大小 */
    margin-bottom: 24px;
    color: var(--light-text);
    background: none;
    -webkit-background-clip: initial;
    background-clip: initial;
}

.banner p {
    font-size: 20px; /* 桌面端副标题大小 */
    margin-bottom: 40px;
    opacity: 0.9;
}

.banner-buttons .btn {
    padding: 14px 32px; /* 桌面端按钮大小 */
    font-size: 16px;
}

/* 移动端Banner调整 */
@media (max-width: 672px) {
    .banner h1 {
        font-size: 30.8px; /* 移动端标题缩小 */
        margin-bottom: 16.8px;
        line-height: 1.3;
    }
    
    .banner p {
        font-size: 15.4px; /* 移动端副标题缩小 */
        margin-bottom: 28px;
        line-height: 1.5;
    }
    
    .banner-buttons .btn {
        padding: 10.5px 21px; /* 移动端按钮缩小 */
        font-size: 13.3px;
    }
    
    /* 确保移动端按钮垂直排列时有适当间距 */
    .banner-buttons {
        flex-direction: column;
        gap: 13.12px;
    }
}

/* 小屏幕手机进一步调整 */
@media (max-width: 420px) {
    .banner h1 {
        font-size: 25.2px; /* 小屏幕手机标题更小 */
    }
    
    .banner p {
        font-size: 14px; /* 小屏幕手机副标题更小 */
    }
    
    .banner-buttons .btn {
        padding: 8.75px 17.5px; /* 小屏幕手机按钮更小 */
        font-size: 12.6px;
    }
}

/* Bilu Huang区域样式 */
.bilu-huang-section {
    background-color: white;
    padding: var(--section-padding);
}

/* 个人简介区域样式 */
.personal-intro {
    margin-bottom: 60px;
    align-items: flex-start;
}

.profile-photo {
    display: flex;
    justify-content: center;
}

.photo-placeholder {
    width: 100%;
    max-width: 400px;
    height: 500px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #777;
    box-shadow: var(--card-shadow);
}

.profile-info h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 28.8px;
}

.profile-info p {
    margin-bottom: 25px;
    line-height: 1.7;
    font-size: 17.6px;
}

.key-achievements {
    margin-bottom: 30px;
}

.key-achievements h4 {
    color: var(--text-color);
    margin-bottom: 15px;
    font-size: 20.8px;
}

.key-achievements ul {
    list-style-type: none;
    padding-left: 0;
}

.key-achievements li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
    line-height: 1.6;
}

.key-achievements li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.profile-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* 个人宣言区域样式 */
.personal-message {
    margin-top: 40px;
}

/* 响应式设计 */
@media (max-width: 672px) {
    .personal-intro {
        grid-template-columns: 1fr;
        gap: 26.25px;
    }
    
    .photo-placeholder {
        height: 350px;
        max-width: 262.5px;
        margin: 0 auto;
    }
    
    .profile-actions {
        justify-content: center;
    }
    
    .profile-actions .btn {
        flex: 1;
        min-width: 122.5px;
    }
}

/* 修改引言样式以适应新的布局 */
.personal-message blockquote {
    font-style: italic;
    font-size: 19.2px;
    line-height: 1.8;
    padding: 30px;
    margin: 20px 0;
    background-color: var(--light-bg);
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    position: relative;
    border-top: 4px solid var(--accent-color); 
}

/* 添加引号装饰 */
.personal-message blockquote::before {
    content: '"';
    font-size: 64px;
    color: var(--accent-color);
    opacity: 0.3;
    position: absolute;
    top: 10px;
    left: 20px;
    line-height: 1;
    font-family: Georgia, serif;
}

.personal-message cite {
    display: block;
    margin-top: 15px;
    font-style: normal;
    font-weight: 600;
    color: var(--primary-color);
}

/* 第一个cite（姓名）样式 */
.personal-message cite:first-of-type {
    font-size: 17.6px;
    margin-bottom: 5px;
}

/* 响应式调整 */
@media (max-width: 672px) {
    .personal-message blockquote {
        font-size: 15.4px;
        padding: 21.88px 17.5px;
    }
    
    .personal-message blockquote::before {
        font-size: 42px;
        top: 4.38px;
        left: 13.12px;
    }
}

/* TRCS图表容器样式 */
.trcs-diagrams {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.trcs-diagram {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.trcs-diagram:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

/* 修改卡片顶部边框为玫红色 */
.trcs-diagram::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-color); /* 改为纯玫红色 */
}

.diagram-placeholder {
    height: 250px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #777;
    margin-bottom: 20px;
    font-weight: 500;
    overflow: hidden; /* 确保图片不会溢出 */
}

/* 响应式设计 */
@media (max-width: 992px) {
    .trcs-diagrams {
        gap: 30px;
    }
}

@media (max-width: 672px) {
    .trcs-diagrams {
        grid-template-columns: 1fr;
        gap: 21.88px;
    }
    
    .trcs-actions {
        flex-direction: column;
        gap: 13.12px;
    }
    
    .trcs-diagram {
        padding: 21.88px 17.5px;
    }
}

/* 联系我们区域样式 */
.contact-section {
    background-color: var(--light-bg);
    padding: var(--section-padding);
}

.contact-intro {
    margin-bottom: 30px;
}

.contact-intro h3 {
    color: var(--primary-color);
    margin: 10px 0 5px;
    font-size: 24px;
}

.contact-role {
    color: #666;
    font-style: italic;
    margin-bottom: 0;
}

.contact-details {
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
}

.contact-icon {
    font-size: 24px;
    margin-right: 15px;
    margin-top: 2px;
    min-width: 30px;
}

.contact-text p {
    margin-bottom: 5px;
}

.contact-text a {
    color: var(--primary-color);
    font-weight: 500;
}

.contact-text a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

.contact-actions {
    margin-top: 30px;
}

.team-photo {
    height: 400px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #777;
    box-shadow: var(--card-shadow);
}

/* 响应式设计 */
@media (max-width: 672px) {
    .contact-section .two-column {
        grid-template-columns: 1fr;
        gap: 26.25px;
    }
    
    .team-photo {
        height: 262.5px;
        order: -1; /* 在移动端将照片放在上面 */
    }
}

/* 联系我们区域样式 - 白色背景 */
.contact-section {
    background-color: white; /* 改为白色背景 */
    padding: var(--section-padding);
}

.contact-intro {
    margin-bottom: 30px;
}

.contact-intro h3 {
    color: var(--primary-color);
    margin: 10px 0 5px;
    font-size: 24px;
}

.contact-role {
    color: #666;
    font-style: italic;
    margin-bottom: 0;
}

.contact-details {
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
}

.contact-icon {
    font-size: 24px;
    margin-right: 15px;
    margin-top: 2px;
    min-width: 30px;
}

.contact-text p {
    margin-bottom: 5px;
}

.contact-text a {
    color: var(--primary-color);
    font-weight: 500;
}

.contact-text a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

.contact-actions {
    margin-top: 30px;
}

.team-photo {
    height: 400px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #777;
    box-shadow: var(--card-shadow);
}

/* 响应式设计 */
@media (max-width: 672px) {
    .contact-section .two-column {
        grid-template-columns: 1fr;
        gap: 26.25px;
    }
    
    .team-photo {
        height: 262.5px;
        order: -1; /* 在移动端将照片放在上面 */
    }
}

/* 新闻区域新样式 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.news-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.news-image {
    height: 200px;
    background-color: #e9e9e9;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #777;
    overflow: hidden; /* 确保图片不会溢出容器 */
}

.news-content {
    padding: 25px;
}

.news-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 10px;
    font-size: 14.4px;
    color: #666;
}

.news-meta .date {
    font-weight: 600;
}

.news-meta .category {
    background-color: var(--light-bg);
    padding: 2px 8px;
    border-radius: 4px;
}

.news-card h3 {
    margin-bottom: 15px;
    font-size: 20.8px;
}

.news-card p {
    margin-bottom: 15px;
    color: #666;
}

.news-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-block;
    margin-top: 10px;
}

.news-link:hover {
    color: var(--secondary-color);
}

/* 响应式调整 */
@media (max-width: 672px) {
    .news-grid {
        grid-template-columns: 1fr;
    }
}

/* 修改h3和h4的字体颜色为深灰色 */
h3, h4 {
    color: #444; /* 深灰色替代纯黑色 */
}

/* 确保这些修改不会影响其他特定区域的标题样式 */

/* 研究卡片标题 */
.research-card h3 {
    color: #444; /* 深灰色 */
}

/* 关键贡献标题 */
.key-achievements h4 {
    color: #444; /* 深灰色 */
}

/* 新闻卡片标题 */
.news-card h3 {
    color: #444; /* 深灰色 */
}

/* 出版物标题 */
.publication-details h3 {
    color: #444; /* 深灰色 */
}

/* TRCS图表标题 */
.trcs-diagram h3 {
    color: var(--accent-color); 
}

/* 个人简介区域标题 */
.profile-info h3 {
    color: #444; /* 深灰色 */
}

/* 确保导航栏和其他特殊区域的h3/h4不受影响 */
.nav-links h3,
.nav-links h4,
footer h3,
footer h4 {
    color: inherit; /* 保持原有颜色 */
}

/* 团队照片样式 */
.team-photo {
    height: 400px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden; /* 确保图片不会溢出容器 */
    box-shadow: var(--card-shadow);
}

/* 响应式设计 */
@media (max-width: 672px) {
    .contact-section .two-column {
        grid-template-columns: 1fr;
        gap: 26.25px;
    }
    
    .team-photo {
        height: 262.5px;
        order: -1; /* 在移动端将照片放在上面 */
    }
}

/* 黄必录衰老研究所 - 最终色彩体系 */
:root {
    /* 核心品牌色 */
    --primary-color: #37883f;        /* 主绿色：生命科学，稳定根基 */
    --secondary-color: #45a049;      /* 辅助绿色：互动与活力 */
    --accent-color: #DB0058;         /* 点缀色：三角梅玫红，象征生命力与突破 */

    /* 功能色 */
    --light-bg: #f8f9fa;             /* 浅色背景 */
    --dark-bg: #37883f;              /* 深色背景（导航栏等）*/
    --text-color: #444;              /* 主要文字色 - 改为深灰色 (#444) */
    --light-text: #fff;              /* 反白文字 */
    --dark-text: #333;               /* 深色文字 - 改为深灰色 (#333) */
    --medium-text: #555;             /* 新增：中等深灰色 */

    /* Logo渐变标准色 */
    --logo-gradient-start: #37883f;  /* 渐变起始色 */
    --logo-gradient-end: #4bc753;    /* 渐变结束色 */
    
    /* 其他变量 */
    --container-width: 1200px;
    --section-padding: 80px 0;
    --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: var(--text-color); /* 使用深灰色文字 */
    background-color: #fff;
}

/* 修改所有标题颜色为深灰色 */
h1, h2, h3, h4, h5, h6 {
    color: var(--dark-text); /* 使用深灰色 */
}

/* 修改段落文字颜色 */
p {
    color: var(--text-color); /* 使用深灰色文字 */
}

/* 修改特定区域的文字颜色为深灰色 */
.research-card h3,
.key-achievements h4,
.news-card h3,
.publication-details h3,
.trcs-diagram h3,
.profile-info h3 {
    color: var(--dark-text); /* 使用深灰色 */
}

/* 个人简介区域文字颜色调整 */
.profile-info h3 {
    color: var(--dark-text); /* 深灰色 */
}

.profile-info p {
    color: var(--text-color); /* 深灰色 */
    margin-bottom: 25px;
    line-height: 1.7;
    font-size: 17.6px;
}

/* 关键贡献区域文字颜色 */
.key-achievements h4 {
    color: var(--dark-text); /* 深灰色 */
}

.key-achievements li {
    color: var(--text-color); /* 深灰色 */
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
    line-height: 1.6;
}

/* 研究卡片文字 */
.research-card p {
    color: var(--text-color); /* 深灰色 */
}

/* 新闻卡片文字 */
.news-card p {
    color: var(--text-color); /* 深灰色 */
}

/* 出版物摘要文字 */
.publication-abstract p {
    color: var(--text-color); /* 深灰色 */
}

/* 引言文字 */
blockquote {
    color: var(--text-color); /* 深灰色 */
}

/* 联系信息文字 */
.contact-text p {
    color: var(--text-color); /* 深灰色 */
}

/* 保持浅色文字的区域不变（如导航栏、页脚等） */
.nav-links a,
footer,
footer a,
footer p {
    color: var(--light-text); /* 保持白色文字 */
}

/* 保持副标题等辅助文字的颜色不变 */
.section-subtitle {
    color: #666; /* 保持中灰色 */
}

.publication-authors {
    color: #666; /* 保持中灰色 */
}

.news-meta {
    color: #666; /* 保持中灰色 */
}

.contact-role {
    color: #666; /* 保持中灰色 */
}

/* 基础标题样式 - 修改为绿色 */
h1, h2, h3, h4, h5, h6 {
    color: var(--primary-color); /* 使用主绿色 */
}

/* 确保h2的渐变文字效果保持绿色 */
h2 {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* 研究焦点区标题 */
.research-card h3 {
    color: var(--primary-color);
}

/* 关键贡献标题 */
.key-achievements h4 {
    color: var(--primary-color);
}

/* 新闻卡片标题 */
.news-card h3 {
    color: var(--primary-color);
}

/* 出版物标题 */
.publication-details h3 {
    color: var(--primary-color);
}

/* 个人简介区域标题 */
.profile-info h3 {
    color: var(--primary-color);
}

/* 联系信息标题 */
.contact-intro h3 {
    color: var(--primary-color);
}

/* 副标题样式 */
.section-subtitle {
    color: var(--primary-color);
    opacity: 0.8;
}

/* 页脚标题 */
.footer-column h4 {
    color: var(--light-text);
}

/* 导航栏标题保持不变 */
.nav-links a {
    color: var(--light-text);
}

/* TRCS模型区标题保持玫红色不变 */
.trcs-section h2 {
    background: linear-gradient(135deg, var(--accent-color) 0%, #e91e63 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* 副标题居中样式 - 修改为深灰色 */
.section-subtitle {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 32px;
    font-size: 17.6px;
    color: var(--text-color); /* 改为深灰色 */
}

/* 联系区的角色描述文字 */
.contact-role {
    color: #444; /* 改为深灰色 */
    font-style: italic;
    margin-bottom: 0;
}

/* 确保联系介绍文字也是深灰色 */
.contact-intro p {
    color: #444; /* 改为深灰色 */
    margin-bottom: 10px;
}

/* Banner区域段落样式 - 改为白色 */
.banner p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
    color: var(--light-text); /* 添加这行，确保文字为白色 */
}

/* 个人简介区域样式调整 */
.personal-intro {
    margin-bottom: 60px;
    align-items: flex-start;
    max-width: 100%; /* 确保宽度与容器一致 */
}

/* 确保两个双栏布局使用相同的网格设置 */
.personal-intro.two-column,
.personal-message.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    width: 100%; /* 确保宽度一致 */
}

/* 响应式设计保持同步 */
@media (max-width: 672px) {
    .personal-intro.two-column,
    .personal-message.two-column {
        grid-template-columns: 1fr;
        gap: 26.25px;
    }
}

/* 将所有按钮改为主要按钮样式，除了TRCS模型区的按钮 */
.btn:not(.btn-accent):not(.btn-glass) {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--light-text);
    box-shadow: 0 4px 15px rgba(55, 136, 63, 0.3);
}

.btn:not(.btn-accent):not(.btn-glass):hover {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(55, 136, 63, 0.4);
}

/* 确保轮廓按钮也被覆盖 */
.btn-outline:not(.btn-accent):not(.btn-glass) {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--light-text);
    border: none;
}

.btn-outline:not(.btn-accent):not(.btn-glass):hover {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    color: var(--light-text);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(55, 136, 63, 0.4);
}

/* 移除轮廓按钮的伪元素效果 */
.btn-outline:not(.btn-accent):not(.btn-glass)::after {
    display: none;
}

/* TRCS图表标题改为绿色 */
.trcs-diagram h3 {
    color: var(--accent-color); /* 改为玫红 */
    font-size: 22.4px;
    margin-bottom: 10px;
}

.accent-t {
    color: var(--accent-color);
    font-weight: bold;
}

/* 黄老师研究成果概括区域样式 */
.trcs-summary {
    margin: 40px 0;
    padding: 30px;
    background: transparent; /* 从白色改为透明 */
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.summary-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 30px;
    align-items: center;
}

.summary-quote p {
    font-style: italic;
    font-size: 17.6px;
    line-height: 1.7;
    color: var(--text-color);
    margin: 0;
}

.summary-profile {
    text-align: center;
}

.profile-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 10px;
    border: none;
}

.profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-title {
    color: var(--accent-color);
    font-weight: 600;
    margin: 0;
    font-size: 14.4px;
}

/* 响应式设计 */
@media (max-width: 672px) {
    .summary-content {
        grid-template-columns: 1fr;
        gap: 17.5px;
        text-align: center;
    }
    
    .profile-avatar {
        width: 70px;
        height: 70px;
    }
}

/* TRCS引用样式 */
.trcs-quote {
    font-style: italic;
    font-size: 17.6px;
    line-height: 1.7;
    padding: 30px;
    margin: 0;
    background-color: var(--light-bg);
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    position: relative;
    border-top: 4px solid var(--accent-color);
}

.trcs-quote::before {
    content: '"';
    font-size: 64px;
    color: var(--accent-color);
    opacity: 0.3;
    position: absolute;
    top: 10px;
    left: 20px;
    line-height: 1;
    font-family: Georgia, serif;
}

.trcs-quote p {
    margin: 0;
    color: var(--text-color);
}

.trcs-summary {
    margin: 40px 0;
    padding: 30px;
    background: transparent; /* 透明背景 */
    border-radius: 0; /* 去掉圆角 */
    box-shadow: none; /* 去掉阴影 */
    border: none; /* 确保没有边框 */
}

/* 同时需要调整.trcs-quote的样式，使其也融入背景 */
.trcs-quote {
    font-style: italic;
    font-size: 17.6px;
    line-height: 1.7;
    padding: 30px;
    margin: 0;
    background-color: transparent; /* 改为透明背景 */
    border-radius: 0; /* 去掉圆角 */
    box-shadow: none; /* 去掉阴影 */
    position: relative;
    border-top: none; /* 去掉顶部边框 */
}

/* 保留引号装饰，但可能需要调整位置 */
.trcs-quote::before {
    content: '"';
    font-size: 64px;
    color: var(--accent-color);
    opacity: 0.3;
    position: absolute;
    top: 10px;
    left: 20px;
    line-height: 1;
    font-family: Georgia, serif;
}

.trcs-quote p {
    margin: 0;
    color: var(--text-color);
}

.transparent-quote {
    background: transparent !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    border: none !important;
    padding: 0 !important;
    margin: 20px 0 !important;
    font-style: italic;
    font-size: 19.2px;
    line-height: 1.8;
    position: relative;
}

.transparent-quote {
    background: transparent !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    border: none !important;
    border-left: 4px solid var(--accent-color) !important; /* 添加玫红色左框线 */
    padding: 20px 0 20px 25px !important; /* 调整内边距，为左框线留出空间 */
    margin: 20px 0 !important;
    font-style: italic;
    font-size: 19.2px;
    line-height: 1.8;
    position: relative;
}

/* 调整引用号位置 */
.transparent-quote::before {
    content: '"';
    font-size: 56px;
    color: var(--accent-color);
    opacity: 0.3;
    position: absolute;
    top: 5px;
    left: 10px; /* 调整引用号位置，使其与左框线协调 */
    line-height: 1;
    font-family: Georgia, serif;
}

/* 调整引用签名的样式 */
.transparent-quote cite {
    display: block;
    margin-top: 15px;
    font-style: normal;
    font-weight: 600;
}

.transparent-quote cite:first-of-type {
    font-size: 17.6px;
    margin-bottom: 5px;
}

.highlight-accent {
    color: var(--accent-color);
    font-weight: bold;
}

/* 移动端TRCS引言样式调整 */
@media (max-width: 672px) {
    .trcs-quote {
        padding: 17.5px 0 17.5px 21.88px !important; /* 与transparent-quote保持一致的内边距 */
        margin: 17.5px 0 !important; /* 与transparent-quote保持一致的外边距 */
        font-size: 15.4px; /* 与transparent-quote在移动端的字体大小保持一致 */
        line-height: 1.7; /* 调整行高以适应移动端 */
        border-left: 3.5px solid var(--accent-color) !important; /* 添加玫红色左框线 */
        background: transparent !important; /* 确保背景透明 */
        box-shadow: none !important; /* 去掉阴影 */
        border-radius: 0 !important; /* 去掉圆角 */
    }
    
    .trcs-quote::before {
        font-size: 42px; /* 调整引号大小 */
        top: 4.38px;
        left: 8.75px; /* 调整引号位置 */
    }
    
    .trcs-quote p {
        margin: 0; /* 移除段落默认边距 */
        padding: 0; /* 移除段落默认内边距 */
    }
}

/* 在CSS中修改Banner文字颜色 */
.banner h1 {
    font-size: 48px;
    margin-bottom: 24px;
    color: #ffffff; /* 保持白色，但添加更深的阴影 */
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.7), 0 4px 16px rgba(0, 0, 0, 0.5);
    background: none;
    -webkit-background-clip: initial;
    background-clip: initial;
}

.banner p {
    font-size: 20px;
    margin-bottom: 40px;
    color: #f0f8f0; /* 浅绿色调 */
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
    font-weight: 500;
}


/* 更精确的选择器方式 */
@media (max-width: 672px) {
    /* Explore栏目 */
    .footer-content > div:nth-child(2) {
        text-align: center;
    }
    
    .footer-content > div:nth-child(2) h4 {
        text-align: center;
    }
    
    .footer-content > div:nth-child(2) h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-content > div:nth-child(2) .footer-links {
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content > div:nth-child(2) .footer-links li {
        justify-content: center;
        text-align: center;
        width: 100%;
    }
    
    .footer-content > div:nth-child(2) .footer-links a {
        justify-content: center;
        display: flex;
        align-items: center;
    }
    
    /* Connect栏目 */
    .footer-content > div:nth-child(3) {
        text-align: center;
    }
    
    .footer-content > div:nth-child(3) h4 {
        text-align: center;
    }
    
    .footer-content > div:nth-child(3) h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-content > div:nth-child(3) .footer-links {
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content > div:nth-child(3) .footer-links li {
        justify-content: center;
        text-align: center;
        width: 100%;
    }
    
    .footer-content > div:nth-child(3) .footer-links a {
        justify-content: center;
        display: flex;
        align-items: center;
    }
    
    /* 移除移动端的悬停位移效果 */
    .footer-links li:hover,
    .footer-links a:hover {
        transform: none;
    }
}

/* 替换现有的footer背景样式 - 绿色到蓝色渐变 + 丰富纹理 */
footer {
    background: 
        /* 主渐变 - 绿色到蓝色渐变 */
        linear-gradient(135deg, #37883f 0%, #2e7a8c 50%, #12508e 100%),
        /* 几何图案叠加 */
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><g fill="rgba(255,255,255,0.05)"><circle cx="20" cy="20" r="2"/><circle cx="50" cy="30" r="1.5"/><circle cx="80" cy="20" r="1"/><rect x="10" y="60" width="3" height="3" rx="0.5"/><rect x="40" y="70" width="2" height="2" rx="0.3"/><rect x="70" y="65" width="2.5" height="2.5" rx="0.4"/></g></svg>'),
        /* 微妙的噪点纹理 */
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="200" height="200" viewBox="0 0 200 200"><filter id="noise"><feTurbulence type="fractalNoise" baseFrequency="0.9" numOctaves="1" stitchTiles="stitch"/></filter><rect width="200" height="200" filter="url(%23noise)" opacity="0.03"/></svg>');
    color: var(--light-text);
    padding: 80px 0 30px;
    position: relative;
    overflow: hidden;
}

/* 添加动态光效 - 调整为蓝色调 */
footer::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 30% 30%, rgba(86, 204, 242, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(55, 136, 63, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
    animation: rotate 25s infinite linear;
    pointer-events: none;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 添加底部装饰性边框 - 调整为蓝绿色渐变 */
footer::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        #37883f 20%, 
        #2e7a8c 50%, 
        #12508e 80%, 
        transparent 100%);
    border-radius: 3px 3px 0 0;
}

/* 更新Footer内容区域的样式以适应新渐变背景 */
.footer-content {
    position: relative;
    z-index: 2; /* 确保内容在背景之上 */
}

/* 调整标题样式以适应新背景 */
.footer-column h4 {
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.footer-column h4::after {
    background: linear-gradient(90deg, #37883f, #2e7a8c); /* 绿色到蓝绿色渐变 */
    height: 3px;
}

/* 调整链接样式 */
.footer-links a {
    color: rgba(255, 255, 255, 0.85);
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: #ffffff;
    transform: translateX(5px);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* 调整社交媒体图标样式 - 使用蓝色调悬停效果 */
.social-links a {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
}

.social-links a:hover {
    background: rgba(18, 80, 142, 0.3); /* 使用蓝色 */
    border-color: rgba(86, 204, 242, 0.5); /* 浅蓝色边框 */
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(18, 80, 142, 0.3);
}

/* 调整新闻通讯区域样式 */
.newsletter {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.newsletter input {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #ffffff;
}

.newsletter input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.newsletter input:focus {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(86, 204, 242, 0.5); /* 浅蓝色焦点边框 */
    box-shadow: 0 0 0 3px rgba(86, 204, 242, 0.1);
}

/* 特别修改：保持订阅按钮为玫红色样式 */
.newsletter .btn {
    background: linear-gradient(135deg, var(--accent-color) 0%, #e91e63 100%);
    color: var(--light-text);
    box-shadow: 0 4px 15px rgba(219, 0, 88, 0.3);
}

.newsletter .btn:hover {
    background: linear-gradient(135deg, #e91e63 0%, var(--accent-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(219, 0, 88, 0.4);
}

/* 调整底部版权区域 */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 30px;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom-links a:hover {
    color: #ffffff;
    text-decoration: underline;
}

/* 响应式调整 */
@media (max-width: 672px) {
    footer {
        padding: 52.5px 0 21.88px;
    }
    
    .footer-content {
        text-align: center;
    }
    
    .footer-column h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
}

/* 移动端Banner调整 */
@media (max-width: 672px) {
    .banner {
        height: 85vh; /* 增加移动端Banner高度 */
        padding: 0 13.12px;
        text-align: center;
        display: flex;
        align-items: center; /* 垂直居中内容 */
        justify-content: center; /* 水平居中内容 */
    }
    
    .banner-content {
        max-width: 100%;
        padding: 0 17.5px;
        margin-top: -17.5px; /* 轻微上移内容，使布局更均衡 */
    }
    
    .banner h1 {
        font-size: 30.8px; /* 稍微增大标题 */
        margin-bottom: 16.8px;
        line-height: 1.25; /* 优化行高 */
        text-align: center;
        word-wrap: break-word;
        padding: 0 8.75px;
        text-shadow: 0 1.75px 7px rgba(0, 0, 0, 0.7), 0 3.5px 14px rgba(0, 0, 0, 0.5);
    }
    
    .banner p {
        font-size: 16.1px; /* 稍微增大副标题 */
        margin-bottom: 35px; /* 增加底部间距 */
        line-height: 1.5;
        text-align: center;
        padding: 0 13.12px;
        opacity: 0.95;
        font-weight: 400;
        text-shadow: 0 0.88px 3.5px rgba(0, 0, 0, 0.6);
    }
    
    .banner-buttons {
        flex-direction: column;
        gap: 13.12px; /* 增加按钮间距 */
        align-items: center;
        width: 100%;
        max-width: 262.5px; /* 增加最大宽度 */
        margin: 0 auto;
    }
    
    .banner-buttons .btn {
        padding: 12.25px 24.5px; /* 增大按钮内边距 */
        font-size: 14.7px; /* 增大按钮字体 */
        width: 100%;
        max-width: 245px; /* 增加按钮最大宽度 */
    }
    
    /* 向下箭头调整 */
    .scroll-indicator {
        bottom: 21.88px; /* 向下移动箭头位置 */
    }
    
    .scroll-arrow {
        width: 42px;
        height: 42px;
        font-size: 18.2px;
    }
}

/* 小屏幕手机进一步调整 */
@media (max-width: 420px) {
    .banner {
        height: 80vh; /* 小屏幕保持较高高度 */
    }
    
    .banner h1 {
        font-size: 26.6px; /* 小屏幕标题大小 */
        margin-bottom: 14px;
        line-height: 1.2;
        padding: 0 7px;
    }
    
    .banner p {
        font-size: 14.7px; /* 小屏幕副标题大小 */
        margin-bottom: 30.8px;
        line-height: 1.4;
        padding: 0 10.5px;
    }
    
    .banner-buttons {
        gap: 10.5px;
        max-width: 245px;
    }
    
    .banner-buttons .btn {
        padding: 11.38px 21px;
        font-size: 14px;
        max-width: 227.5px;
    }
    
    .scroll-indicator {
        bottom: 17.5px;
    }
    
    .scroll-arrow {
        width: 38.5px;
        height: 38.5px;
        font-size: 16.8px;
    }
}

/* 超小屏幕调整（如iPhone SE等） */
@media (max-width: 328.12px) {
    .banner {
        height: 75vh; /* 超小屏幕适当降低高度 */
    }
    
    .banner h1 {
        font-size: 23.8px;
        margin-bottom: 12.6px;
        line-height: 1.15;
    }
    
    .banner p {
        font-size: 14px;
        margin-bottom: 28px;
        line-height: 1.35;
    }
    
    .banner-buttons .btn {
        padding: 10.5px 19.25px;
        font-size: 13.3px;
    }
    
    .banner-content {
        margin-top: -8.75px; /* 超小屏幕减少上移距离 */
    }
}

/* 横屏模式调整 */
@media (max-width: 672px) and (orientation: landscape) {
    .banner {
        height: 95vh; /* 横屏时进一步增加高度 */
        padding-top: 26.25px;
    }
    
    .banner h1 {
        font-size: 28px;
        margin-bottom: 14px;
    }
    
    .banner p {
        font-size: 15.4px;
        margin-bottom: 28px;
    }
    
    .banner-buttons {
        flex-direction: row; /* 横屏时按钮水平排列 */
        justify-content: center;
        max-width: 393.75px;
        gap: 17.5px;
    }
    
    .banner-buttons .btn {
        width: auto;
        min-width: 140px;
        flex: 1;
    }
    
    .banner-content {
        margin-top: 0; /* 横屏时重置上移距离 */
    }
}

/* 确保Banner图片在移动端也保持良好显示 */
@media (max-width: 672px) {
    .banner {
        background: url('../image/banner2.jpg') no-repeat center center;
        background-size: cover;
        background-position: center 30%; /* 调整图片显示位置，确保重要内容可见 */
    }
}

/* 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);
}

/* 桌面端导航栏Donate按钮样式 - 椭圆形强调效果（放大版） */
.mc1_area_txtbox span {
    display: inline-block;
    padding: 12px 28px !important; /* 进一步增大内边距 */
    border-radius: 50px !important; /* 椭圆形 */
    background: linear-gradient(135deg, var(--accent-color) 0%, #e91e63 100%) !important;
    color: var(--light-text) !important;
    font-weight: 700 !important;
    font-size: 16px !important; /* 增大字体 */
    text-transform: uppercase;
    letter-spacing: 0.8px; /* 增加字母间距 */
    transition: var(--transition);
    box-shadow: 0 6px 20px rgba(219, 0, 88, 0.4); /* 增强阴影 */
    border: none;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    line-height: 1.2; /* 优化行高 */
    min-height: 44px; /* 确保触摸友好 */
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* 添加悬停效果 */
.mc1_area_txtbox span:hover {
    transform: translateY(-3px) scale(1.05); /* 增强悬停效果 */
    box-shadow: 0 10px 25px rgba(219, 0, 88, 0.5);
    background: linear-gradient(135deg, #e91e63 0%, var(--accent-color) 100%) !important;
}

/* 添加微光动画效果 */
.mc1_area_txtbox span::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.7s ease;
}

.mc1_area_txtbox span:hover::before {
    left: 100%;
}

/* 添加点击效果 */
.mc1_area_txtbox span:active {
    transform: translateY(-1px) scale(1.02);
    box-shadow: 0 4px 15px rgba(219, 0, 88, 0.4);
}

/* 确保在移动端保持合适的大小 */
@media (max-width: 992px) {
    .mc1_area_txtbox span {
        padding: 10px 22px !important;
        font-size: 15px !important;
        min-height: 40px;
    }
}

/* 小屏幕调整 */
@media (max-width: 768px) {
    .mc1_area_txtbox span {
        padding: 8px 20px !important;
        font-size: 14px !important;
        min-height: 38px;
    }
}