/* =========================================
   1. 全局变量和基础设置
   ========================================= */
/* 全局CSS变量定义 */
:root {
    --primary-color: #ffffff;
    --secondary-color: #1a1a1a;
    --accent-color: #3b82f6;
    --text-color: #ffffff;
    --text-light: #e2e8f0;
    --bg-color: #000000;
    --bg-dark: #0a0a0a;
    --card-bg: #111111;
    --border-color: #1f1f1f;
    --gradient-primary: linear-gradient(135deg, #ffffff, #e2e8f0);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    line-height: 1.6;
    color: var(--text-color);
    background: var(--bg-color);
    padding-top: 70px; /* 导航栏高度 */
	-webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* 页面滚动行为设置 */


/* =========================================
   2. 布局容器
   ========================================= */
/* 响应式容器类 */
.section-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}


/* =========================================
   3. 导航栏组件
   ========================================= */
/* 导航栏基础结构 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    background: var(--bg-dark);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar.hide {
    transform: translateY(-100%);
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-content {
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo样式和动画 */
.logo {
    font-size: 2.2rem;
    font-weight: 700;
    background: linear-gradient(
        to right,
        #60a5fa 20%,
        #3b82f6 40%,
        #2563eb 60%,
        #60a5fa 80%
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
    text-shadow: 0 0 30px rgba(59, 130, 246, 0.7);
    animation: shine 3s linear infinite;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.logo:hover {
    background-size: 150% auto;
    text-shadow: 0 0 40px rgba(59, 130, 246, 0.9);
}

/* 导航链接样式 */
.nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    margin-left: auto;
    margin-right: 0rem;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 0.8rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-links a:hover {
    color: var(--text-color);
    background: rgba(59, 130, 246, 0.1);
}

.nav-links a:hover::after {
    width: 80%;
}

.nav-links a.active {
    color: var(--text-color);
    background: rgba(59, 130, 246, 0.15);
}

.nav-links a.active::after {
    width: 80%;
}

/* 导航栏滚动效果 */


/* =========================================
   4. 首页Hero区域
   ========================================= */
/* Hero区域布局 */
.hero {
    min-height: calc(100vh - 60px); /* 减去导航栏高度 */
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--bg-color);
    padding: 2rem;
    margin-top: -10px; /* 调整与导航栏的间距 */
}

.hero-content {
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

/* 文字动画和渐变效果 */
.hero-text h1 {
    font-size: 4rem;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.hero-text .highlight {
    background: linear-gradient(
        to right,
        #60a5fa 20%,
        #3b82f6 40%,
        #2563eb 60%,
        #60a5fa 80%
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
    text-shadow: 0 0 40px rgba(59, 130, 246, 0.8);
    position: relative;
    display: inline-block;
    animation: shine 3s linear infinite;
}

@keyframes shine {
    to {
        background-position: 200% center;
    }
}

.hero-text .subtitle {
    font-size: 1.5rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.hero-text .description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* 访问计数器样式 */
.visit-counter {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

#visitCount {
    color: var(--accent-color);
    font-weight: 600;
}

/* 代码展示区域 */
.cta-buttons {
    display: flex;
    gap: 1rem;
}

.cta-primary,
.cta-secondary {
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.cta-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.cta-primary:hover,
.cta-secondary:hover {
    transform: translateY(-2px);
}

.hero-visual {
    position: relative;
}

.code-animation {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.code-animation pre {
    margin: 0;
}

.code-animation code {
    color: var(--text-color);
    font-family: 'Consolas', monospace;
    font-size: 1.2rem;
    line-height: 1.5;
}


/* =========================================
   5. 关于部分
   ========================================= */
/* 章节标题通用样式 */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    color: var(--text-color);
    background: none;
    -webkit-text-fill-color: var(--text-color);
}

.section-line {
    width: 60px;
    height: 4px;
    background: var(--accent-color);
    margin: 0 auto;
}

.about {
    padding: 5rem 2rem;
    background: var(--bg-dark);
}

/* 兴趣卡片网格 */
.interests-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.interest-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.interest-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.interest-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-color);
    border-radius: 50%;
}

.interest-icon i {
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.interest-card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}


/* =========================================
   6. 项目展示
   ========================================= */
/* 项目卡片布局 */
.projects {
    padding: 5rem 2rem;
    width: 100%;
}

.projects-grid {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: center;
}

.project-card {
    display: flex;
    background: var(--card-bg);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition-base);
    text-decoration: none;
    width: 85%;
    min-height: 450px;
	-webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

.project-card:hover {
    transform: translateY(-5px);
}

.project-overlay {
    flex: 0 0 55%;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--card-bg);
}

.project-details {
    color: var(--text-color);
}

.project-details h3 {
    color: var(--text-color);
    font-size: 1.8rem;
    margin-bottom: 0.8rem;
}

.project-details p {
    color: var(--text-light);
    margin-bottom: 0.8rem;
    line-height: 1.6;
    font-size: 1rem;
}

/* 项目标签和特性列表 */
.project-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: auto;
}

.project-tags span {
    background: var(--accent-color);
    color: var(--secondary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    opacity: 0.9;
}

/* 项目按钮样式 */
.project-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 1rem 2rem;
    background: var(--accent-color);
    color: #ffffff;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.1rem;
    margin-top: 2rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

/* 添加光效果 */
.project-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to right,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}

/* 悬停效果 */
.project-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
    background: var(--accent-color);
}

.project-btn:hover::before {
    transform: translateX(100%);
}

/* 箭头图标样式 */
.project-btn i {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.project-btn:hover i {
    transform: translateX(5px);
}

.project-content {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.project-tags {
    margin-top: 1rem;
    margin-bottom: auto;
}

/* 添加项目特性列表样式 */
.project-features {
    list-style: none;
    margin: 1rem 0;
    padding: 0;
}

.project-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-light);
}

.project-features i {
    color: var(--accent-color);
    font-size: 1rem;
}

.project-details p {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.6;
    font-size: 1.1rem;
}

.project-details h3 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 1rem;
}

@keyframes loading {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* 图片加载完成后移除动画 */
.project-image img[src] {
    background: none;
}

.project-image img[src] + .project-image::before {
    display: none;
}

/* 项目图片样式 */
.project-image {
    flex: 0 0 45%;
    position: relative;
    overflow: hidden;
    background: var(--card-bg);
}

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

/* 鼠标悬停时的图片缩放效果 */
.project-card:hover .project-image img {
    transform: scale(1.05);
}


/* =========================================
   7. 技能部分
   ========================================= */
/* 技能网格布局 */
.skills {
    padding: 5rem 2rem;
    background: var(--bg-dark);
}

.skills-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.skills-category {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2.5rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.skills-category h3 {
    font-size: 1.8rem;
    color: var(--text-color);
    margin-bottom: 2rem;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.skill-item:last-child {
    margin-bottom: 0;
}

.skill-item i {
    font-size: 2rem;
    color: var(--accent-color);
    width: 40px;
    text-align: center;
}

.skill-info {
    flex: 1;
}

.skill-info span {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.skill-bar {
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--accent-color);
    border-radius: 4px;
    transition: width 1s ease;
}


/* =========================================
   8. 联系方式
   ========================================= */
/* 联系卡片网格 */
.contact {
    padding: 5rem 2rem;
}

.contact-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.contact-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    min-height: 180px;
	-webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.contact-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-color);
    border-radius: 50%;
}

.contact-icon i {
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.contact-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
    color: var(--text-color);
}

.contact-card p {
    color: var(--text-light);
}

/* 添加邮件提示样式 */
.email-tip {
    font-size: 0.85rem;
    color: var(--accent-color);
    margin-top: 0.5rem;
    opacity: 0;
    transform: translateY(5px);
    transition: all 0.3s ease;
}

/* 鼠标悬停时显示提示 */
.contact-card:hover .email-tip {
    opacity: 1;
    transform: translateY(0);
}

/* 复制提示样式 */
.copy-tip {
    font-size: 0.85rem;
    color: var(--accent-color);
    margin-top: 0.5rem;
    opacity: 0;
    transform: translateY(5px);
    transition: all 0.3s ease;
}

/* 鼠标悬停时显示提示 */
.contact-card:hover .copy-tip {
    opacity: 1;
    transform: translateY(0);
}

/* 复制文本样式 */
.copy-text {
    color: var(--text-light);
    cursor: pointer;
}

/* 复制成功提示样式 */
.copy-status {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 1rem 2rem;
    border-radius: 12px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    z-index: 1002;
    text-align: center;
    animation: fadeIn 0.3s ease;
    color: var(--text-color);
}

.copy-status i {
    font-size: 1.5rem;
    color: #10B981;
    margin-bottom: 0.5rem;
    display: block;
}


/* =========================================
   9. 页脚
   ========================================= */
/* 页脚布局和链接 */
footer {
    background: var(--secondary-color);
    color: var(--text-light);
    padding: 1rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding-bottom: 0.5rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition-base);
    font-size: 1rem;
}

.footer-links a:hover {
    color: var(--accent-color);
}

.footer-content p {
    font-size: 1.1rem;
    opacity: 1;
    font-weight: 500;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

/* 版权信息 */


/* =========================================
   10. 响应式设计
   ========================================= */
/* 大屏幕 (1600px以上) */
@media (max-width: 1600px) {
    .nav-content {
        padding: 0 4rem;
    }
    .logo {
        left: 15%;
    }
    .nav-links {
        right: 15%;
    }
}

/* 笔记本电脑 (1200px-1599px) */
@media (max-width: 1200px) {
    .nav-content {
        padding: 0 2rem;
    }
    .logo {
        left: 10%;
    }
    .nav-links {
        right: 10%;
    }
}

/* 平板电脑 (768px-1199px) */
@media (max-width: 992px) {
    .hero-text h1 {
        font-size: 3rem;
    }
    
    .project-card {
        flex-direction: column;
    }
    
    .project-image {
        flex: 0 0 300px;
    }
    
    .project-overlay {
        flex: 1;
    }
    
    .skills-container {
        grid-template-columns: 1fr;
        max-width: 700px;
    }
}

/* 小屏手机 (480px以下) */
@media (max-width: 480px) {
    .section-container {
        padding: 0 1rem;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .project-btn {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-card {
        padding: 1.5rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 0.5rem;
    }
}

@media (max-width: 768px) {
    .navbar {
        height: 60px;
        padding: 0;
        background: var(--bg-dark);
    }

    .nav-content {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0 1rem;
        width: 100%;
    }

    .logo {
        font-size: 1.6rem;  /* 减小logo字体大小 */
    }

    .nav-links {
        display: none;
    }

    /* 右侧按钮容器 */
    .nav-buttons {
        display: flex;
        align-items: center;
        gap: 0.4rem;  /* 调整按钮间距 */
        margin-left: auto;  /* 确保按钮靠右 */
    }

    .settings-toggle {
        position: static;
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }

    .theme-toggle {
        position: static;
    }

    .theme-toggle i {
        font-size: 1.1rem;
    }

    .language-menu {
        position: absolute;
        right: 1rem;
        top: calc(100% + 5px);
    }

    /* 调整导航栏 */
    body {
        padding-top: 60px;
    }

    /* 调整首页section位置 */
    .hero {
        min-height: calc(100vh - 120px);  /* 减小最小高度 */
        padding-top: 0;  /* 移除顶部内边距 */
        margin-top: -15px;  /* 减小向上移动的距离 */
    }

    /* 调整其他内容布局 */
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 2rem 1rem;
    }

    .hero-text {
        text-align: center;
    }

    .mobile-hide {
        display: none;
    }

    /* 调整各部分间距 */
    .about,
    .projects,
    .skills,
    .contact {
        padding: 3rem 0.5rem; /* 调整内边距 */
    }

    /* 调整项目卡片样式 */
    .projects-grid {
        width: 100%;
        padding: 0 0.5rem; /* 添加适当的内边距 */
    }

    .project-card {
        width: 100%;
        flex-direction: column;
        border-radius: 12px; /* 恢复圆角 */
        overflow: hidden;
        margin-bottom: 2rem;
        box-shadow: var(--shadow-lg);
        background: var(--card-bg);
    }

    .project-image {
        width: 100%;
        height: 200px;
    }

    .project-overlay {
        padding: 1.5rem;
        border-radius: 0 0 12px 12px; /* 恢复底部圆角 */
        background: var(--card-bg);
    }

    .project-details h3 {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }

    .project-details p {
        font-size: 1rem;
        margin-bottom: 1rem;
    }

    .project-features {
        margin: 1rem 0;
    }

    .project-features li {
        font-size: 0.9rem;
        margin-bottom: 0.5rem;
    }

    .project-tags {
        margin: 1rem 0;
    }

    .project-tags span {
        font-size: 0.8rem;
        padding: 0.25rem 0.75rem;
        margin: 0.25rem;
    }

    .project-btn {
        width: 100%;
        text-align: center;
        margin-top: 1rem;
        padding: 0.8rem;
        border-radius: 8px;
    }

    /* 调整section标题样式 */
    .section-header {
        padding: 0 1rem; /* 为标题添加内边距 */
        margin-bottom: 2rem;
    }

    /* 调整其他网格布局 */
    .interests-grid,
    .contact-grid {
        padding: 0;
    }

    /* 调整底部版权信息和导航样式 */
    .footer-content {
        padding: 0;
        position: relative;
    }

    .footer-content p {
        padding: 1rem;
        margin: 0;
        text-align: center;
        font-size: 0.8rem;
        color: var(--text-color);
        margin-bottom: 50px;
    }

    .footer-links {
        display: flex;
        flex-direction: row;
        justify-content: space-around;
        align-items: center;
        width: 100%;
        margin: 0;
        padding: 0.3rem 0;
        background: var(--bg-dark);
        position: fixed;
        bottom: 0;
        left: 0;
        border-top: 1px solid var(--border-color);
    }

    .footer-links a {
        font-size: 0.75rem;
        padding: 0.3rem;
        color: var(--text-color);
        text-decoration: none;
        transition: color 0.3s ease;
    }

    .footer-links a:hover {
        color: var(--accent-color);
    }

    .theme-toggle {
        margin-left: 0;
    }

    .theme-toggle i {
        font-size: 1.1rem;
    }

    .visit-counter {
        font-size: 1rem;
        margin-bottom: 1rem;
        justify-content: center;  /* 移动端居中显示 */
    }
}

/* 滚动动画 */
.smooth-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.smooth-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 悬停效果 */


/* =========================================
   12. 辅助功能和优化
   ========================================= */
/* 滚动条样式 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* 可访问性优化 */

/* 性能优化 */

/* 大屏幕适配 */
@media (min-width: 1440px) {
    .logo {
        left: 25%;
    }
    
    .nav-links {
        right: 2%;
    }
}

/* 中等屏幕适配 */
@media (max-width: 1200px) {
    .logo {
        left: 15%;
    }
    
    .nav-links {
        right: 8%;
    }
}

/* 主题切换按钮样式 */
.theme-toggle {
    cursor: pointer;
    padding: 0.8rem;
    border-radius: 50%;
    transition: all 0.3s ease;
    margin-left: 0;
    position: absolute;
    right: 2rem;
}

.theme-toggle i {
    font-size: 1.5rem; /* 增大图标大小 */
    color: var(--text-light);
    transition: transform 0.3s ease;
}

.theme-toggle:hover {
    background: rgba(var(--text-color), 0.1);
}

.theme-toggle:hover i {
    transform: rotate(180deg);
}

/* 浅色主题 */
[data-theme="light"] {
    --primary-color: #000000;
    --secondary-color: #ffffff;
    --accent-color: #2563eb;
    --text-color: #000000;
    --text-light: #4b5563;
    --bg-color: #ffffff;
    --bg-dark: #f3f4f6;
    --card-bg: #ffffff;
    --border-color: #e5e7eb;
    --gradient-primary: linear-gradient(135deg, #000000, #4b5563);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 深色主题（默认） */
[data-theme="dark"] {
    --primary-color: #ffffff;
    --secondary-color: #1a1a1a;
    --accent-color: #3b82f6;
    --text-color: #ffffff;
    --text-light: #e2e8f0;
    --bg-color: #000000;
    --bg-dark: #0a0a0a;
    --card-bg: #111111;
    --border-color: #1f1f1f;
    --gradient-primary: linear-gradient(135deg, #ffffff, #e2e8f0);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
}

/* 移动端样式调整 */
@media (max-width: 768px) {
    .settings-toggle {
        position: static;
        padding: 0.4rem 0.8rem;
        margin-left: auto;  /* 将按钮推到右边 */
        margin-right: 1rem;  /* 与主题切换按钮保持间距 */
        font-size: 0.85rem;
    }

    .theme-toggle {
        margin-right: 1rem;  /* 与右边缘保持间距 */
    }

    .language-menu {
        position: absolute;
        right: 1rem;
        top: calc(100% + 5px);
    }

    /* 调整导航栏布局 */
    .nav-content {
        padding: 0 1rem;  /* 减小两边间距 */
        justify-content: space-between;  /* 确保元素分布均匀 */
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-text .subtitle {
        font-size: 1.2rem;
    }
    
    .visit-counter {
        font-size: 1rem;
        margin-bottom: 1rem;
        justify-content: center;  /* 移动端居中显示 */
    }
}

/* 语言切换按钮样式 */
.settings-toggle {
    cursor: pointer;
    padding: 0.4rem 0.8rem;  /* 调整左右内边距使其对称 */
    border-radius: 8px;
    transition: all 0.3s ease;
    position: absolute;
    right: 5rem;
    background: rgba(59, 130, 246, 0.1);
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.9rem;
    border: 1px solid rgba(59, 130, 246, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;  /* 添加水平居中 */
    height: 36px;
    min-width: 60px;  /* 添加最小宽度确保对称 */
}

.settings-toggle:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
}

/* 语言菜单样式优化 */
.language-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--card-bg);
    border-radius: 12px;
    padding: 0.5rem;
    min-width: 120px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.language-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 语言选项样式 */
.language-option {
    padding: 0.7rem 1.2rem;
    color: var(--text-color);
    transition: all 0.2s ease;
    cursor: pointer;
    border-radius: 6px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* 当前选中的语言样式 */
.language-option.active {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-color);
    font-weight: 500;
}

.language-option.active::after {
    content: '✓';
    font-size: 0.9rem;
    color: var(--accent-color);
}

.language-option:hover {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-color);
}

/* 移除下拉箭头 */
.settings-toggle::after {
    content: none;
}

/* 在文件末尾添加邮件模态框样式 */

/* 邮箱链接样式 */
.email-link {
    cursor: pointer;
    transition: color 0.3s ease;
}

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

/* 邮件模态框 */
.email-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1001;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
}

.email-modal-content {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    position: relative;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.close-modal {
    position: absolute;
    right: 1.5rem;
    top: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
    transition: color 0.3s ease;
}

.close-modal:hover {
    color: var(--accent-color);
}

.email-modal-content h2 {
    margin-bottom: 1.5rem;
    color: var(--text-color);
    font-size: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-dark);
    color: var(--text-color);
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

.send-btn {
    width: 100%;
    padding: 1rem;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.send-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .email-modal-content {
        width: 95%;
        padding: 1.5rem;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 0.6rem;
    }
    
    .send-btn {
        padding: 0.8rem;
    }
}

/* 邮件发送状态提示 */
.email-status {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 1.5rem 2.5rem;
    border-radius: 12px;
    color: var(--text-color);
    font-weight: 500;
    z-index: 1002;
    animation: fadeIn 0.3s ease;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    text-align: center;
    min-width: 300px;
}

.email-status.success {
    border-left: 4px solid #10B981;
}

.email-status.error {
    border-left: 4px solid #EF4444;
}

.email-status i {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
}

.email-status.success i {
    color: #10B981;
}

.email-status.error i {
    color: #EF4444;
}

/* 等待提示卡片样式 */
.cooldown-card {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    z-index: 1002;
    text-align: center;
    min-width: 300px;
    animation: fadeIn 0.3s ease;
}

.cooldown-card .timer {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
    margin: 1rem 0;
}

.cooldown-card .message {
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.cooldown-card .close-btn {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.cooldown-card .close-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, -40%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

.fade-out {
    animation: fadeOut 0.3s ease forwards;
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
    to {
        opacity: 0;
        transform: translate(-50%, -60%);
    }
}

/* 邮件按钮样式 */
.email-toggle {
    cursor: pointer;
    padding: 0.8rem;
    border-radius: 50%;
    transition: all 0.3s ease;
    margin-left: 0.5rem;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.email-toggle i {
    font-size: 1.2rem;
    color: var(--text-light);
    transition: all 0.3s ease;
}

.email-toggle:hover {
    background: rgba(59, 130, 246, 0.1);
}

.email-toggle:hover i {
    color: var(--accent-color);
    transform: scale(1.1);
}

/* 添加脉冲动画 */
.email-toggle::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.2);
    opacity: 0;
    transform: scale(0.8);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.8);
        opacity: 0;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

/* 移动端适配 */
@media (max-width: 768px) {
    .email-toggle {
        padding: 0.6rem;
        margin-left: 0.3rem;
    }

    .email-toggle i {
        font-size: 1rem;
    }
}

/* 浮动邮件按钮样式 */
.floating-email-btn {
    position: fixed;
    top: 90px; /* 导航栏高度 + 间距 */
    right: 30px;
    z-index: 999;
    cursor: pointer;
    padding: 0.8rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    animation: floatButton 2s ease-in-out infinite;
}

.floating-email-btn .btn-content {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-color);
}

.floating-email-btn i {
    color: var(--accent-color);
    font-size: 1.2rem;
    animation: flyPlane 2s ease-in-out infinite;
}

.floating-email-btn span {
    font-weight: 500;
    font-size: 0.95rem;
    white-space: nowrap;
}

.floating-email-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: var(--accent-color);
}

.floating-email-btn:hover .btn-content {
    color: white;
}

.floating-email-btn:hover i {
    color: white;
}

@keyframes floatButton {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

@keyframes flyPlane {
    0%, 100% {
        transform: translateX(0) rotate(0deg);
    }
    50% {
        transform: translateX(3px) rotate(5deg);
    }
}

/* 移动端适配 */
@media (max-width: 768px) {
    .floating-email-btn {
        top: auto;
        bottom: 80px; /* 避免与底部导航冲突 */
        right: 20px;
        padding: 0.6rem 1.2rem;
    }

    .floating-email-btn .btn-content {
        gap: 0.6rem;
    }

    .floating-email-btn i {
        font-size: 1rem;
    }

    .floating-email-btn span {
        font-size: 0.85rem;
    }
}
}