/* 全局样式 */
:root {
    --primary-color: #3b82f6;
    --secondary-color: #10b981;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --accent-color: #f59e0b;
    --danger-color: #ef4444;
    --text-color: #333333;
    --gray-color: #94a3b8;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #f5f5f5;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4 {
    line-height: 1.2;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
}

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

a:hover {
    color: #2563eb;
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.btn:hover {
    background-color: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    color: white;
}

section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

/* 导航栏 */
.navbar {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

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

.nav-links a:hover {
    color: var(--primary-color);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* 英雄区域 */
.hero {
    margin-top: 70px;
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    background-image: url('/images/background.webp');
    background-size: cover; /* 图片覆盖整个区域 */
    background-position: center; /* 图片居中显示 */
    background-repeat: no-repeat; /* 图片不重复 */
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.highlight {
    color: var(--primary-color);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #555;
}

.image-container {
    width: 100%;
    max-width: 300px;
    border-radius: 0%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* 关于我 */
.about {
    background-color: white;
}

.about-content {
    display: grid;
    grid-template-columns: 4fr 1fr;
    gap: 2rem;
    align-items: center;
}

.about-image {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0rem;
    align-items: center;
}

.profile-img {
    width: 100%;
    max-width: 300px;
    border-radius: 0%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* 技能 */
.skills {
    background-color: #f8fafc;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.skill-card {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.skill-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* 项目 */
.projects {
    background-color: white;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: #f8fafc;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.project-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.project-card h3, .project-card p {
    padding: 0 1.5rem;
}

.project-card h3 {
    margin-top: 1.5rem;
}

.project-link {
    display: inline-block;
    margin: 1rem 1.5rem 1.5rem;
    color: var(--primary-color);
    font-weight: 600;
}

.projects-link {
    text-align: center;
    margin-top: 2rem;
}

/* 项目页面专属样式 - 解决卡片间距和图片显示问题 */
.projects-page .projects-list {
    /* 调整整体列表与上下元素的间距 */
    margin: 2rem auto;
    max-width: 1200px; /* 限制最大宽度，避免过宽 */
}

/* 项目页面卡片样式（与首页项目卡片区分） */
.projects-page .project-card {
    /* 卡片上下间距（替代grid的gap，更灵活控制） */
    margin-bottom: 3rem; /* 卡片底部间距 */
    padding-bottom: 1.5rem; /* 卡片内部底部留白 */
    /* 去除默认边框，改用阴影分隔 */
    border: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

/* 最后一个卡片去除底部间距 */
.projects-page .project-card:last-child {
    margin-bottom: 0;
}

/* 项目图片容器（精确控制图片显示） */
.projects-page .project-img-container {
    width: 100%;
    height: 240px; /* 固定图片容器高度（比原来稍高，避免过度裁剪） */
    overflow: hidden; /* 超出部分隐藏 */
    position: relative; /* 用于图片定位调整 */
}

/* 项目图片显示优化 */
.projects-page .project-img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 保持比例填充容器 */
    object-position: center top; /* 图片优先显示上半部分（可根据需求调整） */
    transition: transform 0.5s ease; /* 图片缩放动画 */
}

/* 鼠标悬停时图片轻微放大，增强交互感 */
.projects-page .project-card:hover .project-img {
    transform: scale(1.03);
}

/* 卡片内容区域与图片的间距 */
.projects-page .project-card h3 {
    margin-top: 1.5rem; /* 标题与图片的距离 */
    margin-bottom: 0.8rem;
    padding: 0 1.5rem;
}

.projects-page .project-card .article-meta {
    padding: 0 1.5rem;
    margin-bottom: 1rem;
}

.projects-page .project-card p {
    padding: 0 1.5rem;
    margin-bottom: 1.2rem;
}

.projects-page .project-actions {
    padding: 0 1.5rem;
    margin-top: 1rem;
}

/* 文章页面样式 */
.page-header {
    margin-top: 70px;
    padding: 8rem 0;
    background-color: var(--primary-color);
    color: white;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.all-articles {
    padding: 6rem 0;
    background-color: white;
}

.articles-list {
    max-width: 800px;
    margin: 0 auto;
}

.full-article-card {
    padding: 2.5rem 0;
    border-bottom: 1px solid #eee;
}

.full-article-card:last-child {
    border-bottom: none;
}

.full-article-card h2 {
    margin-bottom: 0.8rem;
}

.full-article-card h2 a {
    color: var(--dark-color);
}

.full-article-card h2 a:hover {
    color: var(--primary-color);
}

.article-meta {
    color: var(--gray-color);
    margin-bottom: 1rem !important;
    font-size: 0.9rem;
}

.article-meta span {
    margin-right: 1.5rem;
}

.read-more {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 600;
    margin-top: 0.5rem;
}

.read-more:hover {
    text-decoration: underline;
}
/* 文章部分整体样式调整 */
.articles {
    background-color: #f8fafc;
    padding: 8rem 0;
}

.articles h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.articles p {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
    color: #666;
}

/* 文章网格布局 */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-bottom: 3rem;
}

/* 文章卡片样式 */
.article-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.1);
}

/* 文章卡片内容区 */
.article-card h3 {
    padding: 1.5rem 1.5rem 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 1.3rem;
    color: var(--dark-color);
    line-height: 1.4;
}

.article-date {
    padding: 0 1.5rem;
    margin-bottom: 1rem !important;
    font-size: 0.9rem;
    color: var(--gray-color);
    font-style: italic;
}

.article-card p:not(.article-date) {
    padding: 0 1.5rem;
    margin-bottom: 1.5rem;
    flex-grow: 1; /* 让内容区域填充空间，使按钮保持在底部 */
    text-align: left;
    color: #555;
}

.article-card .project-link {
    margin: 0 1.5rem 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid #f1f5f9;
    display: inline-block;
}

.loading, .error {
    text-align: center;
    padding: 2rem;
    color: var(--gray-color);
}

.error {
    color: var(--danger-color);
}

.last-article {
    border-bottom: none !important;
}

/* 查看所有文章按钮位置 */
.articles-link {
    text-align: center;
    margin-top: 2rem;
}

/* Codeforces模块独立样式 */
.codeforces-section {
    padding: 8rem 0;
    background-color: #f0f4f8;
    color: #1e293b;
}

.codeforces-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.codeforces-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #2563eb;
    font-weight: 700;
}

.codeforces-section p {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
    color: #64748b;
    font-size: 1.1rem;
}

.codeforces-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto auto auto; 
    gap: 3rem;
}


.codeforces-card {
    background-color: white;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.codeforces-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
}

.codeforces-card i {
    font-size: 2.5rem;
    color: #2563eb;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.codeforces-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #1e293b;
    font-weight: 600;
}

/* 用户信息样式 */
.user-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.info-item h4 {
    font-size: 0.95rem;
    color: #64748b;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.info-item p {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
    color: #1e293b;
    text-align: left;
}

/* 图表容器样式 */
.chart-wrapper {
    width: 100%;
    height: 250px;
    position: relative;
    margin-top: 1rem;
}

/* 日历相关样式 */
.full-width {
    grid-column: 1 / -1;
}

.calendar-container {
    width: 100%;
    overflow-x: auto;
    padding: 1rem 0;
}

.calendar {
    display: flex;
    gap: 3px;
    margin: 1rem 0;
}

.month-labels {
    display: flex;
    justify-content: space-between;
    width: 100%;
    padding: 0 15px;
    font-size: 0.85rem;
    color: #64748b;
    margin-top: 0.5rem;
}

.weekdays {
    display: flex;
    flex-direction: column;
    gap: 3px;
    margin-right: 5px;
    font-size: 0.75rem;
    color: #64748b;
}

.weekday {
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 5px;
}

.weeks {
    display: flex;
    gap: 3px;
}

.week {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.day {
    width: 18px;
    height: 18px;
    border-radius: 3px;
    background-color: #ebedf0;
    cursor: pointer;
    position: relative;
    transition: transform 0.2s ease;
}

.day:hover {
    transform: scale(1.2);
}

.day:hover::after {
    content: attr(data-date) ": " attr(data-count) " 提交";
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(30, 41, 59, 0.9);
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.85rem;
    white-space: nowrap;
    z-index: 10;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.day[data-level="1"] { background-color: #9be9a8; }
.day[data-level="2"] { background-color: #40c463; }
.day[data-level="3"] { background-color: #30a14e; }
.day[data-level="4"] { background-color: #216e39; }

/* 统计信息样式 */
.stats {
    display: flex;
    justify-content: space-between;
    width: 100%;
    margin-top: 1.5rem;
    padding: 0 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.stat-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    min-width: 80px;
}

.stat-value {
    font-size: 1.3rem;
    font-weight: bold;
    color: #2563eb;
}

.stat-label {
    font-size: 0.85rem;
    color: #64748b;
    text-align: center;
}

/* 年份选择器样式 */
.year-selector {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.year-selector select {
    padding: 0.3rem 0.5rem;
    border-radius: 5px;
    border: 1px solid #cbd5e1;
    background-color: white;
    font-size: 0.95rem;
    color: #1e293b;
}

.activity-type {
    font-size: 0.95rem;
    color: #64748b;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    width: 100%;
    margin-bottom: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}
    
/* 贡献模块整体样式：深色背景 + 浅色文字 */
.contributions {
    padding: 8rem 0;
    background-color: #e0ecf4; /* 模拟GitHub深色模式背景 */
    color: #000000; /* 浅色文字 */
}

.contributions h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #2563eb;
}

.contributions p {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
    color: #1d2a3c; /* 灰色辅助文字 */
}

/* 贡献卡片：去除阴影，继承深色背景 */
.contribution-card {
    background: #d0dbec;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: none;
}

.contribution-card h3 {
    color: #000000;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contribution-img {
    width: 100%;
    max-width: 100%;
    border-radius: 0.12%;
}

/* 联系 */
.contact {
    background-color: #f8fafc;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.contact-form {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
}

.form-group textarea {
    resize: vertical;
}

.contact-info {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

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

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 1rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #f1f5f9;
    color: var(--dark-color);
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: white;
}

/* 页脚 */
.footer {
    background-color: var(--dark-color);
    color: white;
    text-align: center;
    padding: 2rem 0;
}

/* 动画元素样式 */
.orbiting-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.orbiting-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: transform 0.3s ease;
}

.orbiting-icon svg {
    width: 100%;
    height: 100%;
    transition: all 0.3s ease;
}

.orbiting-icon:hover svg {
    transform: scale(1.2);
}

/* B站视频模块样式 */
.videos {
    padding: 8rem 0;
    background-color: #f9f9f9; /* 浅灰色背景，与其他板块区分 */
}

.videos .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.videos h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.videos p {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
    color: #666;
}

/* 视频网格布局 */
.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

/* 视频卡片样式 */
.video-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.video-card:hover {
    transform: translateY(-10px); /* 悬停时轻微上浮 */
}

/* 视频容器（保证16:9比例，避免拉伸） */
.video-container {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9比例（9/16=0.5625） */
    overflow: hidden;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-card h3 {
    padding: 1.5rem 1.5rem 0.5rem;
    font-size: 1.2rem;
    color: #333;
}

.video-card p {
    padding: 0 1.5rem 1rem;
    text-align: left;
    margin: 0;
    font-size: 0.95rem;
    color: #666;
}

.video-card .project-link {
    display: inline-block;
    margin: 0 1.5rem 1.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.video-card .project-link:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    /* 全局容器适配 */
    .container,
    .hero .container,
    .about-content,
    .skills-grid,
    .projects-grid,
    .articles-grid,
    .codeforces-section .container,
    .videos .container,
    .contact-content,
    .contributions .container {
        max-width: 100% !important;
        width: 100% !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
        margin: 0 auto !important;
    }

    section {
        padding: 3rem 0 !important;
        max-width: 100% !important;
        width: 100% !important;
        overflow: hidden !important;
    }

    /* 网格布局统一为单列 */
    .codeforces-grid,
    .projects-grid,
    .articles-grid,
    .videos-grid,
    .skills-grid,
    .contribution-matrices {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
        max-width: 100% !important;
        width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
    }

    /* 卡片类元素适配 */
    .codeforces-card,
    .project-card,
    .article-card,
    .video-card,
    .skill-card,
    .contact-form,
    .contact-info,
    .contribution-card {
        max-width: 100% !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 1.2rem !important;
        box-sizing: border-box !important;
        overflow-x: auto !important;
        overflow-y: visible !important;
    }

    /* Codeforces模块特殊处理 */
    .codeforces-section {
        padding: 5rem 0 !important;
    }

    .codeforces-card h3 {
        font-size: 1.3rem !important;
        margin-bottom: 1rem !important;
    }

    .user-info {
        min-width: max-content !important;
        padding-right: 1rem !important;
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }

    .info-item p {
        font-size: 1.1rem !important;
    }

    .chart-wrapper {
        min-width: 250px !important;
        height: 200px !important;
        padding-right: 1rem !important;
    }

    /* 日历与月份标签同步调整 */
    .codeforces-card.full-width .calendar-container {
        overflow-x: visible !important; /* 由卡片控制滚动 */
        padding: 0.5rem !important;
    }

    .calendar {
        min-width: 900px !important; /* 保证日历完整结构 */
        gap: 3px !important;
    }

    .week, .weekdays {
        flex-shrink: 0 !important;
    }

    .day {
        width: 14px !important;
        height: 14px !important;
    }

    .weekday {
        height: 14px !important;
        font-size: 0.65rem !important;
    }

    /* 月份标签移动端适配 */
    .month-labels {
        font-size: 0.75rem !important;
        padding: 0 10px !important; /* 与日历内边距匹配 */
        min-width: 900px !important; /* 与日历min-width保持一致 */
    }

    .stats {
        gap: 0.8rem !important;
        padding: 0 0.5rem !important;
        flex-wrap: wrap !important;
    }

    .stat-value {
        font-size: 1.1rem !important;
    }

    .stat-label {
        font-size: 0.75rem !important;
    }

    /* 其他模块适配 */
    .videos {
        padding: 5rem 0 !important;
    }

    .video-card h3 {
        padding: 1rem 1rem 0.5rem !important;
        font-size: 1.1rem !important;
    }

    .contribution-img {
        width: 100% !important;
        max-width: 100% !important;
    }

    .hero {
        text-align: center !important;
        min-height: auto !important;
        padding: 4rem 0 !important;
    }

    .hero .container {
        grid-template-columns: 1fr !important;
    }

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

    /* 导航栏适配 */
    .nav-links {
        display: none !important;
        flex-direction: column !important;
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        width: 100% !important;
        background-color: white !important;
        padding: 1rem 0 !important;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1) !important;
    }

    .nav-links.active {
        display: flex !important;
    }

    .menu-toggle {
        display: block !important;
    }

    /* 图片与媒体元素 */
    .profile-img,
    .project-img,
    .article-card img,
    .image-container img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    /* 滚动条美化 */
    .codeforces-card::-webkit-scrollbar {
        height: 6px !important;
    }

    .codeforces-card::-webkit-scrollbar-track {
        background: #f1f5f9 !important;
        border-radius: 10px !important;
    }

    .codeforces-card::-webkit-scrollbar-thumb {
        background: #cbd5e1 !important;
        border-radius: 10px !important;
    }

    .codeforces-card::-webkit-scrollbar-thumb:hover {
        background: #94a3b8 !important;
    }

    /* 全局禁止横向溢出 */
    body, html {
        overflow-x: hidden !important;
    }
}

/* 下载卡片样式 */
.download-card {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.download-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: #f0f9ff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 1rem 0;
}

.download-icon i {
    font-size: 2rem;
    color: var(--primary-color);
}

.download-btn {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.8rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    border-radius: 5px;
    transition: var(--transition);
}

.download-btn:hover {
    background-color: #2563eb;
    transform: translateY(-2px);
}

/* 调整联系区域布局 */
@media (min-width: 768px) {
    .contact-content {
        grid-template-columns: 2fr 1fr;
    }
}