/* Component Styles */
/* This file will contain specific component styles as they are developed */

/* ===== 导航组件样式 ===== */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border-light);
  transition: all var(--duration-normal) var(--ease-out);
  /* 确保导航栏准确对齐 */
  width: 100%;
  box-sizing: border-box;
}

.main-nav.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
  height: 70px;
}

/* Brand/Logo */
.nav-brand {
  flex-shrink: 0;
}

.brand-link {
  text-decoration: none;
  color: var(--color-text-primary);
  font-family: var(--font-serif);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-tight);
  transition: color var(--duration-fast) var(--ease-out);
  display: flex;
  align-items: center;
}

.brand-logo {
  height: 32px;
  width: auto;
  margin-right: var(--space-3);
  transition: transform 0.3s ease;
}

.brand-link:hover .brand-logo {
  transform: rotate(-10deg) scale(1.1);
}

.brand-link:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.brand-text {
  position: relative;
}

.brand-text::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--duration-normal) var(--ease-out);
}

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

/* Desktop Navigation */
.nav-menu {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-8);
}

.nav-item {
  margin: 0;
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: var(--space-2) var(--space-1);
  margin: 0 var(--space-2);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-accent);
  text-decoration: none;
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  transition: transform var(--duration-fast) var(--ease-out);
}

.nav-toggle:hover {
  transform: scale(1.05);
}

.nav-toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  margin: 3px 0;
  transition: all var(--duration-normal) var(--ease-out);
  transform-origin: center;
}

.nav-toggle.active .nav-toggle-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle.active .nav-toggle-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active .nav-toggle-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Navigation Overlay */
.nav-overlay {
  position: fixed;
  top: 70px; /* 从导航栏下方开始 */
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%; /* 确保宽度100% */
  height: calc(100vh - 70px); /* 高度为视口高度减去顶部导航栏 */
  z-index: var(--z-modal) !important;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  display: none;
  overflow: hidden; /* 防止内容溢出 */
}

/* 新添加的专门遮罩层 */
.nav-backdrop {
  position: fixed; /* 改为fixed而不是absolute，确保相对于视口 */
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  height: 100vh; /* 强制设置高度为100%视口高度 */
  width: 100%; /* 确保宽度为100% */
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 0;
}

.nav-overlay.active {
  opacity: 1 !important;
  visibility: visible !important;
  display: block !important;
  pointer-events: auto !important;
}

.nav-overlay-content {
  position: absolute;
  top: 0;
  right: 0;
  background-color: var(--color-background);
  box-shadow: -5px 0 15px rgba(0,0,0,0.1);
  width: 280px;
  height: 100%; /* 设置为100%确保填充父容器 */
  min-height: 100%; /* 至少与父容器一样高 */
  padding: var(--space-4);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  z-index: 1;
  overflow-y: auto; /* 允许内容滚动，避免内容溢出 */
}

.nav-overlay.active .nav-overlay-content {
  transform: translateX(0);
}

.nav-overlay-list {
  list-style: none;
  margin: 0;
  padding: 0;
  text-align: center;
  width: 100%; /* 确保列表占满容器宽度 */
  display: flex; /* 使用flex布局 */
  flex-direction: column; /* 垂直排列项目 */
  gap: var(--space-1); /* 减小项目之间的间距 */
}

.nav-overlay-item {
  margin: var(--space-1) 0; /* 减小上下边距 */
  width: 100%; /* 确保每个项目占满宽度 */
}

.nav-overlay-link {
  display: block;
  font-family: var(--font-serif);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  text-decoration: none;
  padding: var(--space-4);
  transition: all var(--duration-normal) var(--ease-out);
  transform: translateY(20px);
  opacity: 0;
}

.nav-overlay.active .nav-overlay-link {
  transform: translateY(0);
  opacity: 1;
}

.nav-overlay-link:nth-child(1) { transition-delay: 0.1s; }
.nav-overlay-link:nth-child(2) { transition-delay: 0.2s; }
.nav-overlay-link:nth-child(3) { transition-delay: 0.3s; }
.nav-overlay-link:nth-child(4) { transition-delay: 0.4s; }
.nav-overlay-link:nth-child(5) { transition-delay: 0.5s; }

.nav-overlay-link:hover,
.nav-overlay-link.active {
  color: var(--color-accent);
  transform: translateY(0) scale(1.05);
}

/* ===== 加载屏幕样式 ===== */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-background);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  visibility: visible;
  transition: all var(--duration-slow) var(--ease-out);
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-content {
  text-align: center;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border-light);
  border-top: 3px solid var(--color-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--space-4);
}

.loading-text {
  font-family: var(--font-serif);
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin: 0;
}

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

/* ===== 主要内容区域 ===== */
.main-content {
  margin-top: 70px; /* Account for fixed navigation */
  min-height: calc(100vh - 70px);
}

/* ===== Hero Section ===== */
.hero-section {
  padding: var(--space-32) 0 var(--space-24);
  background: linear-gradient(135deg, var(--color-background) 0%, var(--color-background-alt) 100%);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 20%, rgba(184, 134, 11, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.quote-container {
  max-width: 800px;
  margin: 0 auto;
}

.hero-quote {
  margin-bottom: var(--space-8);
  border: none;
  padding: 0;
}

.hero-quote::before {
  display: none;
}

.quote-text {
  font-family: var(--font-serif);
  font-size: var(--font-size-3xl);
  font-style: italic;
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.quote-author {
  font-family: var(--font-sans);
  font-size: var(--font-size-lg);
  font-style: normal;
  color: var(--color-accent);
  font-weight: var(--font-weight-medium);
}

.quote-author::before {
  content: '— ';
}

.quote-translation {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-light);
}

.translation-text {
  font-family: var(--font-serif);
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  font-style: italic;
  margin: 0;
}

/* ===== Welcome Section ===== */
.welcome-section {
  padding: var(--space-24) 0;
  text-align: center;
}

.welcome-content {
  max-width: 600px;
  margin: 0 auto;
}

.welcome-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
  line-height: var(--line-height-tight);
}

.welcome-subtitle {
  font-family: var(--font-sans);
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-normal);
  margin: 0;
  margin-bottom: var(--space-8);
}

.welcome-actions .btn-primary {
  color: white !important;
}

/* ===== Navigation Cards ===== */
.nav-cards-section {
  padding: var(--space-24) 0;
  background-color: var(--color-background-alt);
}

.nav-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
  max-width: var(--container-xl);
  margin: 0 auto;
}

.nav-card {
  background-color: var(--color-background);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-out);
  border: 1px solid var(--color-border-light);
  position: relative;
  overflow: hidden;
}

.nav-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(184, 134, 11, 0.02) 100%);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.nav-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.nav-card:hover::before {
  opacity: 1;
}

.nav-card-content {
  position: relative;
  z-index: 1;
}

.nav-card-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-6);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(184, 134, 11, 0.1);
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-out);
}

.nav-card:hover .nav-card-icon {
  background-color: var(--color-accent);
  color: var(--color-primary-white);
  transform: scale(1.1);
}

.nav-card-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.nav-card-description {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-6);
}

.nav-card-link {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-accent);
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-out);
  position: relative;
}

.nav-card-link::after {
  content: '→';
  margin-left: var(--space-2);
  transition: transform var(--duration-fast) var(--ease-out);
}

.nav-card-link:hover {
  color: var(--color-accent-dark);
  text-decoration: none;
}

.nav-card-link:hover::after {
  transform: translateX(4px);
}

/* ===== Recent Content Section ===== */
.recent-content-section {
  padding: var(--space-24) 0;
}

.recent-content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-8);
}

.resources-content-grid {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-6);
}

.recent-section {
  background-color: var(--color-background);
  border-radius: var(--radius-lg);
  padding: var(--space-10) var(--space-8);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
}

.section-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-8);
  text-align: center;
  position: relative;
  padding-bottom: var(--space-4);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: var(--color-accent);
}

.loading-placeholder {
  text-align: center;
  padding: var(--space-8);
  color: var(--color-text-muted);
}

.section-footer {
  text-align: center;
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-light);
}

/* ===== 模态框组件样式 ===== */
.modal {
  /* Modal styles will be added when implementing modal components */
}

/* ===== Footer 样式 ===== */
.main-footer {
  background-color: var(--color-primary-gray);
  color: var(--color-text-inverse);
  padding: var(--space-16) 0 var(--space-8);
  margin-top: var(--space-24);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer-section {
  /* Individual footer sections */
}

.footer-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-inverse);
  margin-bottom: var(--space-4);
}

.footer-subtitle {
  font-family: var(--font-sans);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-inverse);
  margin-bottom: var(--space-4);
}

.footer-description {
  font-size: var(--font-size-base);
  color: rgba(255, 255, 255, 0.8);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: var(--font-size-base);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer-links a:hover {
  color: var(--color-accent-light);
  text-decoration: none;
}

.social-links {
  display: flex;
  gap: var(--space-4);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-out);
}

.social-link:hover {
  background-color: var(--color-accent);
  color: var(--color-primary-white);
  transform: translateY(-2px);
  text-decoration: none;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.copyright {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

/* ===== 表单组件样式 ===== */
.form {
  /* Form styles will be added when implementing form components */
}

/* Placeholder for future component styles *//* ====
= Recent Content Cards ===== */
.recent-post-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.recent-post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

.card-content-wrapper {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.recent-post-card .post-meta {
    margin-bottom: 0.75rem;
}

.recent-post-card .post-title {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    flex-grow: 1;
}

.recent-post-card .post-excerpt {
    margin-bottom: 1rem;
    color: var(--color-text-secondary);
}

.recent-post-card .post-link {
    margin-top: auto;
    align-self: flex-start;
}

/* Recent Portfolio Section */
.recent-portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.recent-portfolio-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.recent-portfolio-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

.recent-portfolio-card .portfolio-thumbnail {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.recent-portfolio-card .portfolio-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.recent-portfolio-card:hover .portfolio-thumbnail img {
    transform: scale(1.05);
}

.recent-portfolio-card .portfolio-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.recent-portfolio-card .portfolio-description {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
    flex-grow: 1;
}

.recent-portfolio-card .portfolio-technologies {
    margin-bottom: 1rem;
}

.recent-post-card,
.recent-portfolio-card,
.blog-post-card,
.portfolio-card {
  background-color: var(--color-background);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 0;
  margin-bottom: var(--space-12);
  transition: all var(--duration-normal) var(--ease-out);
  box-shadow: var(--shadow-sm);
  width: 100%;
  display: flex;
  flex-direction: column;
  max-width: 100%;
  overflow: hidden;
}

.recent-post-card:hover,
.recent-portfolio-card:hover,
.blog-post-card:hover,
.portfolio-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

/* Resource Card Styles */
.resource-card {
  background-color: var(--color-background);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-4);
  transition: all var(--duration-normal) var(--ease-out);
  box-shadow: var(--shadow-sm);
  width: 100%;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.resource-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.resource-card-content {
  display: flex;
  gap: var(--space-6);
  align-items: center;
}

.resource-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  background-color: rgba(184, 134, 11, 0.1);
  border-radius: var(--radius-md);
  padding: var(--space-2);
}

.resource-info {
  flex: 1;
  padding: 0 var(--space-4);
}

.resource-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  line-height: 1.4;
}

.resource-description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-3);
}

.resource-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.resource-category {
  background-color: var(--color-surface);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-medium);
}

.resource-stats {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.download-count {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.resource-actions {
  flex-shrink: 0;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-accent);
  color: white;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  transition: all var(--duration-fast) var(--ease-out);
}

.download-btn:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* 资源列表容器样式 */
.resources-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  padding: var(--space-6) var(--space-4);
  margin: var(--space-10) auto;
  max-width: 1100px;
  width: 100%;
}

/* Blog posts and Portfolio grid adjustments */
.blog-grid,
.portfolio-grid,
.resources-grid-section {
  padding: 0 var(--space-6);
  margin: var(--space-6) 0;
  width: 100%;
}

.post-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  margin-top: var(--space-2);
  font-size: var(--font-size-sm);
  gap: var(--space-3);
  padding: 0;
  flex-wrap: wrap;
}

.post-category {
  background-color: rgba(184, 134, 11, 0.1);
  color: var(--color-accent-dark);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
  letter-spacing: 0.02em;
  transition: all var(--duration-fast) var(--ease-out);
}

.post-category:hover {
  background-color: rgba(184, 134, 11, 0.2);
  transform: translateY(-1px);
}

.post-date {
  color: var(--color-text-muted);
}

.post-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-4);
  margin-top: var(--space-2);
  line-height: 1.5;
  padding: 0;
}

.post-title a {
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

.post-title a:hover {
  color: var(--color-accent);
}

.post-excerpt {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-6);
  padding: 0;
  font-size: var(--font-size-base);
  letter-spacing: 0.01em;
}

.post-link,
.portfolio-link {
  display: inline-flex;
  align-items: center;
  color: var(--color-accent);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  transition: all var(--duration-fast) var(--ease-out);
  padding: var(--space-2) var(--space-4);
  border-bottom: 1px solid transparent;
  margin-bottom: var(--space-3);
}

.post-link::after,
.portfolio-link::after {
  content: '→';
  margin-left: var(--space-2);
  transition: transform var(--duration-fast) var(--ease-out);
}

.post-link:hover,
.portfolio-link:hover {
  color: var(--color-accent-dark);
  text-decoration: none;
  border-bottom: 1px solid var(--color-accent-dark);
}

.post-link:hover::after,
.portfolio-link:hover::after {
  transform: translateX(4px);
}

/* Portfolio Card Specific Styles */
.recent-portfolio-card {
  display: flex;
  gap: var(--space-6);
  align-items: flex-start;
}

.portfolio-thumbnail {
  flex-shrink: 0;
  width: 120px;
  height: 120px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.portfolio-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  transition: transform 0.3s ease;
}

.portfolio-thumbnail:hover img {
  transform: scale(1.05);
}

.portfolio-content {
  flex: 1;
  padding-left: 0; /* 删除额外的左内边距，因为我们已经在card上添加了gap */
}

.portfolio-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-3);
  margin-top: var(--space-2);
  line-height: 1.5;
  padding: 0;
}

.portfolio-title a {
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

.portfolio-title a:hover {
  color: var(--color-accent);
}

.portfolio-description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  line-height: 1.8;
  margin-bottom: var(--space-4);
  padding: 0;
  letter-spacing: 0.01em;
}

.portfolio-technologies {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding: var(--space-2) var(--space-4) 0;
}

.tech-tag {
  background-color: var(--color-surface);
  color: var(--color-text-secondary);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-right: var(--space-2);
  margin-bottom: var(--space-2);
  display: inline-block;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--space-8);
  color: var(--color-text-muted);
}

.empty-message {
  font-size: var(--font-size-base);
  margin: 0;
}

.error-message {
  color: var(--color-error);
  font-size: var(--font-size-base);
  margin: 0;
}

/* Mobile adjustments for portfolio cards */
@media (max-width: 768px) {
  .recent-portfolio-card {
    flex-direction: column;
    align-items: center;
  }
  
  .portfolio-thumbnail {
    width: 100%;
    height: 180px;
    margin-bottom: var(--space-4);
  }
  
  .portfolio-content {
    padding-left: 0;
    width: 100%;
    text-align: center;
  }
  
  .portfolio-technologies {
    justify-content: center;
  }
  
  .post-meta {
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
  }
  
  .section-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-6);
  }
}

@media (max-width: 480px) {
  .portfolio-thumbnail {
    height: 140px;
  }
  
  .recent-post-card,
  .recent-portfolio-card {
    padding: var(--space-5);
  }
}

/* ===== 评论系统样式 ===== */
.comments-section {
  margin-top: var(--space-16);
  padding-top: var(--space-12);
  border-top: 1px solid var(--color-border-light);
}

.comments-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.comments-header h3 {
  font-family: var(--font-serif);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.comments-description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  margin: 0;
}

.giscus-container {
  max-width: 100%;
  margin: 0 auto;
}

/* Giscus 主题自定义 */
.giscus {
  width: 100%;
}

.giscus-frame {
  border: none;
  width: 100%;
  min-height: 150px;
}

/* ===== 博客详情页样式 ===== */
.blog-detail-section {
  padding: var(--space-12) 0;
}

.blog-post-article {
  max-width: 800px;
  margin: 0 auto;
}

.post-header {
  text-align: center;
  margin-bottom: var(--space-12);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border-light);
}

.post-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.post-meta, .portfolio-meta {
  position: relative;
  padding-bottom: var(--space-3);
}

.post-meta::after, .portfolio-meta::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: var(--space-4);
  right: var(--space-4);
  height: 1px;
  background-color: var(--color-border-light);
  opacity: 0.5;
}

.post-title, .portfolio-title {
  position: relative;
  padding-bottom: var(--space-3);
}

.card-section {
  position: relative;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

/* 增加卡片内部元素间的空间 */
.card-content-wrapper {
  margin: 0 var(--space-4);
}

.post-category {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
}

.post-category.research {
  background-color: rgba(184, 134, 11, 0.1);
  color: var(--color-accent);
}

.post-category.life {
  background-color: rgba(0, 0, 128, 0.1);
  color: var(--color-accent-alt);
}

.post-date {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.post-updated {
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  font-style: italic;
}

.post-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
  margin: var(--space-6) 0;
}

.post-excerpt {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin: var(--space-4) 0;
  font-style: italic;
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin-top: var(--space-6);
}

.tag {
  padding: var(--space-1) var(--space-2);
  background-color: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-light);
  transition: all var(--duration-fast) var(--ease-out);
}

.tag:hover {
  background-color: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

.post-content {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-primary);
  margin-bottom: var(--space-12);
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
  font-family: var(--font-serif);
  font-weight: var(--font-weight-semibold);
  margin: var(--space-8) 0 var(--space-4) 0;
  line-height: var(--line-height-tight);
}

.post-content h1 {
  font-size: var(--font-size-3xl);
}

.post-content h2 {
  font-size: var(--font-size-2xl);
}

.post-content h3 {
  font-size: var(--font-size-xl);
}

.post-content p {
  margin: var(--space-4) 0;
}

.post-content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  transition: all var(--duration-fast) var(--ease-out);
}

.post-content a:hover {
  color: var(--color-accent-dark);
  text-decoration-thickness: 2px;
}

.post-content strong {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.post-content em {
  font-style: italic;
}

.post-content blockquote,
.section-content blockquote {
  border-left: 4px solid var(--color-accent);
  padding-left: var(--space-6);
  margin: var(--space-6) 0;
  color: var(--color-text-secondary);
  font-style: italic;
  position: relative;
}

.post-content blockquote::before,
.section-content blockquote::before {
  content: '“';
  font-family: var(--font-serif);
  font-size: var(--font-size-5xl);
  color: var(--color-accent);
  opacity: 0.5;
  position: absolute;
  left: var(--space-2);
  top: -0.2em;
  line-height: 1;
}

.post-content blockquote p,
.section-content blockquote p {
  margin: 0;
}

/* 卡片底部元素样式 */
.post-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-6);
  padding: var(--space-4) var(--space-4) 0;
  border-top: 1px solid var(--color-border-light);
  opacity: 0.9;
}

/* 阅读全文链接样式 */
.read-more-link {
  display: inline-flex;
  align-items: center;
  color: var(--color-accent);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  transition: all var(--duration-fast) var(--ease-out);
  padding: var(--space-2) var(--space-1);
  border-bottom: 1px solid transparent;
}

.read-more-link::after {
  content: '→';
  margin-left: var(--space-2);
  transition: transform var(--duration-fast) var(--ease-out);
}

.read-more-link:hover {
  color: var(--color-accent-dark);
  text-decoration: none;
  border-bottom: 1px solid var(--color-accent-dark);
}

.read-more-link:hover::after {
  transform: translateX(4px);
}

/* 标签样式 */
.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.tag {
  background-color: var(--color-surface);
  color: var(--color-text-secondary);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  transition: all var(--duration-fast) var(--ease-out);
}

.tag:hover {
  background-color: var(--color-background-alt);
  color: var(--color-text-primary);
}

/* 卡片内容包装器 */
.post-card-content,
.portfolio-card-content {
  padding: var(--space-6) var(--space-6);
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* 使底部元素贴近底部 */
.post-card-content {
  display: flex;
  flex-direction: column;
  min-height: 280px;
}

.post-excerpt {
  flex: 1;
}

/* 修复在使用绝对定位的情况下可能发生的重叠问题 */
.portfolio-card-content,
.post-card-content {
  position: relative;
}

.post-navigation {
  margin-bottom: var(--space-8);
}

.back-to-blog {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--font-size-base);
  transition: color var(--duration-fast) var(--ease-out);
}

.back-to-blog:hover {
  color: var(--color-accent);
}

.post-share h4 {
  font-family: var(--font-serif);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.share-buttons {
  display: flex;
  gap: var(--space-3);
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-surface);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}

.share-btn:hover {
  background-color: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

/* ===== 项目详情页样式 ===== */
.portfolio-detail-section {
  padding: var(--space-12) 0;
}

.portfolio-project-article {
  max-width: 900px;
  margin: 0 auto;
}

.project-header {
  text-align: center;
  margin-bottom: var(--space-12);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border-light);
}

.project-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.project-date {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.project-technologies {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
}

.tech-tag {
  padding: var(--space-1) var(--space-3);
  background-color: rgba(184, 134, 11, 0.1);
  color: var(--color-accent);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
}

.project-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
  margin: var(--space-6) 0;
}

.project-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin: var(--space-4) 0 var(--space-6) 0;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
  margin-top: var(--space-6);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background-color: var(--color-accent);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  transition: all var(--duration-fast) var(--ease-out);
}

.project-link:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.project-link.github-link {
  background-color: var(--color-text-primary);
}

.project-link.github-link:hover {
  background-color: var(--color-text-secondary);
}

.project-link.paper-link {
  background-color: var(--color-accent-alt);
}

.project-link.paper-link:hover {
  background-color: var(--color-accent-alt-dark);
}

.project-images {
  margin-bottom: var(--space-12);
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-4);
}

.gallery-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration-normal) var(--ease-out);
}

.gallery-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.gallery-item.featured {
  grid-column: 1 / -1;
}

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
}

.project-content {
  margin-bottom: var(--space-12);
}

.project-section {
  margin-bottom: var(--space-10);
}

.project-section .section-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-accent);
}

.section-content {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-primary);
}

.section-content h1,
.section-content h2,
.section-content h3,
.section-content h4,
.section-content h5,
.section-content h6 {
  font-family: var(--font-serif);
  font-weight: var(--font-weight-semibold);
  margin: var(--space-6) 0 var(--space-3) 0;
  line-height: var(--line-height-tight);
}

.section-content p {
  margin: var(--space-4) 0;
}

.section-content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  transition: all var(--duration-fast) var(--ease-out);
}

.section-content a:hover {
  color: var(--color-accent-dark);
  text-decoration-thickness: 2px;
}

.project-footer {
  border-top: 1px solid var(--color-border-light);
  padding-top: var(--space-8);
  margin-top: var(--space-12);
}

.project-navigation {
  margin-bottom: var(--space-8);
}

.back-to-portfolio {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--font-size-base);
  transition: color var(--duration-fast) var(--ease-out);
}

.back-to-portfolio:hover {
  color: var(--color-accent);
}

.project-share h4 {
  font-family: var(--font-serif);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

/* ===== 面包屑导航样式 ===== */
.breadcrumb-section {
  padding: var(--space-6) 0;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  margin-top: 70px; /* Account for fixed nav */
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.breadcrumb a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

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

.breadcrumb-separator {
  color: var(--color-text-muted);
}

.breadcrumb-current {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
}

/* ===== 通知样式 ===== */
.notification {
  position: fixed;
  top: 100px;
  right: var(--space-6);
  z-index: var(--z-modal);
  padding: var(--space-4) var(--space-6);
  background-color: var(--color-accent);
  color: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transform: translateX(100%);
  opacity: 0;
  transition: all var(--duration-normal) var(--ease-out);
}

.notification.show {
  transform: translateX(0);
  opacity: 1;
}

.notification.success {
  background-color: #10b981;
}

.notification.error {
  background-color: #ef4444;
}

/* ===== 响应式设计 ===== */
@media (max-width: 768px) {
  .post-title,
  .project-title {
    font-size: var(--font-size-3xl);
  }
  
  .post-meta,
  .project-meta {
    flex-direction: column;
    gap: var(--space-2);
  }
  
  .project-links {
    flex-direction: column;
    align-items: center;
  }
  
  .project-link {
    width: 100%;
    max-width: 200px;
    justify-content: center;
  }
  
  .share-buttons {
    justify-content: center;
  }
  
  .gallery-item.featured {
    grid-column: 1;
  }
  
  .notification {
    right: var(--space-4);
    left: var(--space-4);
    transform: translateY(-100%);
  }
  
  .notification.show {
    transform: translateY(0);
  }
}/* ==
=== Giscus 设置提示样式 ===== */
.giscus-setup-notice {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin: var(--space-4) 0;
  text-align: left;
}

.giscus-setup-notice h4 {
  font-family: var(--font-serif);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.giscus-setup-notice p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

.giscus-setup-notice ol {
  color: var(--color-text-secondary);
  padding-left: var(--space-5);
}

.giscus-setup-notice li {
  margin-bottom: var(--space-2);
  line-height: var(--line-height-relaxed);
}

.giscus-setup-notice a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.giscus-setup-notice a:hover {
  color: var(--color-accent-dark);
  text-decoration-thickness: 2px;
}

.giscus-setup-notice code {
  background-color: rgba(0, 0, 0, 0.05);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-family: 'Courier New', monospace;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
}

/* ===== Resources Page Styles ===== */
.resources-content-section {
  padding: var(--space-12) 0;
}

.resources-header {
  text-align: center;
  margin-bottom: var(--space-12);
  padding: var(--space-12) var(--space-6) var(--space-8);
  position: relative;
}

.page-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-6);
  color: var(--color-text-primary);
  position: relative;
  display: inline-block;
  text-align: center;
}

.page-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--color-accent);
  border-radius: 2px;
}

.page-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 640px;
  margin: var(--space-6) auto 0;
  line-height: 1.6;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.01em;
  padding: 0 var(--space-4);
  text-align: center;
}

/* 精选项目区域样式优化 */
.featured-projects-section {
  margin-top: var(--space-20);
  position: relative;
  padding: var(--space-10) 0;
  background-color: var(--color-background-alt);
  border-radius: var(--radius-lg);
}

.featured-projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-10);
  padding: 0 var(--space-8);
}

.featured-project-card {
  background-color: var(--color-background);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
  box-shadow: var(--shadow-sm);
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
}

.featured-project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

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

.featured-project-image {
  width: 100%;
  height: 180px;
  overflow: hidden;
  position: relative;
}

.featured-project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.featured-project-card:hover .featured-project-image img {
  transform: scale(1.08);
}

.featured-project-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.featured-project-card:hover .featured-project-overlay {
  opacity: 1;
}

.featured-project-view {
  color: white;
  background-color: rgba(184, 134, 11, 0.8);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  transform: translateY(10px);
  transition: all 0.3s ease;
}

.featured-project-card:hover .featured-project-view {
  transform: translateY(0);
}

.featured-project-info {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.featured-project-header {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--space-4);
}

.featured-project-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-2);
  line-height: 1.4;
}

.featured-project-title a {
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

.featured-project-title a:hover {
  color: var(--color-accent-dark);
}

.featured-project-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-2);
}

.featured-project-date {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.featured-project-description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  margin-bottom: var(--space-4);
  flex: 1;
}

.featured-project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.featured-project-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-top: auto;
}

.featured-project-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: white !important; /* Ensure text is white */
}

.btn-icon {
  width: 16px;
  height: 16px;
}

.featured-project-link {
  color: var(--color-accent);
  font-size: var(--font-size-sm);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  transition: color 0.2s ease;
}

.featured-project-link:hover {
  color: var(--color-accent-dark);
  text-decoration: underline;
}

/* Filter Tabs */
.resources-filters {
  margin: var(--space-8) auto;
  max-width: 900px;
  padding: 0 var(--space-4);
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-2);
}

.filter-tab {
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}

.filter-tab:hover {
  background-color: var(--color-accent-light);
  color: var(--color-text-primary);
}

.filter-tab.active {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  border-color: var(--color-accent);
}

/* 资源统计部分 */
.resource-stats-section {
  margin: var(--space-12) auto;
  max-width: 900px;
  padding: var(--space-6);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-6);
}

.stat-card {
  background-color: var(--color-background);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration-normal) var(--ease-out);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-number {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.portfolio-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  flex-wrap: wrap;
  gap: var(--space-2);
}

.portfolio-date {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.portfolio-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.tech-more {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  background-color: var(--color-surface);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}

.portfolio-links {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.portfolio-demo-link,
.portfolio-github-link {
  display: inline-flex;
  align-items: center;
  color: var(--color-accent);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: all var(--duration-fast) var(--ease-out);
}

.portfolio-demo-link:hover,
.portfolio-github-link:hover {
  color: var(--color-accent-dark);
  text-decoration: underline;
}

.portfolio-image {
  position: relative;
  margin-bottom: var(--space-4);
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 16 / 9;
}

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

.portfolio-image:hover img {
  transform: scale(1.05);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.4);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.portfolio-image:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-link {
  color: white;
  background-color: rgba(184, 134, 11, 0.8);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-weight: var(--font-weight-medium);
  transform: translateY(10px);
  transition: all 0.3s ease;
}

.portfolio-image:hover .portfolio-link {
  transform: translateY(0);
}

.portfolio-card {
  height: 100%;
  display: flex;
  flex-direction: column;
}

/* 统一页面标题样式 */
.resources-header .page-title,
.blog-header .page-title,
.portfolio-header .page-title,
.about-header .page-title {
  font-family: var(--font-serif) !important;
  font-size: var(--font-size-4xl) !important;
  font-weight: var(--font-weight-bold) !important;
  margin-bottom: var(--space-6) !important;
  color: var(--color-text-primary) !important;
  position: relative !important;
  display: inline-block !important;
  text-align: center !important;
}

.resources-header .page-title::after,
.blog-header .page-title::after,
.portfolio-header .page-title::after,
.about-header .page-title::after {
  content: '' !important;
  position: absolute !important;
  bottom: -8px !important;
  left: 0 !important;
  width: 100% !important;
  height: 3px !important;
  background-color: var(--color-accent) !important;
  border-radius: 2px !important;
}

.resources-header .page-subtitle,
.blog-header .page-subtitle,
.portfolio-header .page-subtitle,
.about-header .page-subtitle {
  font-size: var(--font-size-lg) !important;
  color: var(--color-text-secondary) !important;
  max-width: 640px !important;
  margin: var(--space-6) auto 0 !important;
  line-height: 1.6 !important;
  font-weight: var(--font-weight-medium) !important;
  letter-spacing: 0.01em !important;
  padding: 0 var(--space-4) !important;
  text-align: center !important;
}

.resources-header,
.blog-header,
.portfolio-header,
.about-header {
  text-align: center !important;
  margin-bottom: var(--space-12) !important;
  padding: var(--space-12) var(--space-6) var(--space-8) !important;
  position: relative !important;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .resources-header,
  .blog-header,
  .portfolio-header,
  .about-header {
    padding: var(--space-8) var(--space-4) var(--space-6) !important;
  }

  .resources-header .page-title,
  .blog-header .page-title,
  .portfolio-header .page-title,
  .about-header .page-title {
    font-size: var(--font-size-3xl) !important;
  }

  .resources-header .page-subtitle,
  .blog-header .page-subtitle,
  .portfolio-header .page-subtitle,
  .about-header .page-subtitle {
    font-size: var(--font-size-base) !important;
  }
}

/* 技能专长部分样式增强 */
.skills-section {
  padding: var(--space-8) 0;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-12);
  margin-top: var(--space-8);
}

.skill-category {
  background-color: var(--color-background);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  transition: all var(--duration-normal) var(--ease-out);
  border: 1px solid var(--color-border-light);
}

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

.skill-category-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
  text-align: center;
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-accent);
  position: relative;
}

.skills-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.skill-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.skill-name {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  display: flex;
  justify-content: space-between;
}

.skill-name::after {
  content: attr(data-level);
  color: var(--color-accent);
  font-weight: var(--font-weight-bold);
}

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

.skill-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  border-radius: var(--radius-full);
  width: 0;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 为研究领域和编程语言添加图标 */
.skill-item {
  position: relative;
  padding-left: var(--space-6);
}

.skill-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  background-color: var(--color-accent);
  opacity: 0.2;
  border-radius: 50%;
}

.skill-item::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .skills-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .skill-category {
    padding: var(--space-4);
  }
}

/* 社交链接区域样式 */
.social-section {
  padding: var(--space-8) 0;
  margin-top: var(--space-12);
}

.social-links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.social-card {
  display: flex;
  align-items: center;
  background-color: var(--color-background);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
  transition: all var(--duration-normal) var(--ease-out);
  text-decoration: none;
  color: var(--color-text-primary);
}

.social-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
  text-decoration: none;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--color-surface);
  color: var(--color-accent);
  margin-right: var(--space-5);
  flex-shrink: 0;
  transition: all var(--duration-normal) var(--ease-out);
}

.social-card:hover .social-icon {
  background-color: var(--color-accent);
  color: var(--color-primary-white);
  transform: scale(1.1);
}

.social-info {
  flex: 1;
}

.social-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.social-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

/* 个人故事部分样式 */
.personal-story {
  padding: var(--space-8) 0;
  margin-bottom: var(--space-12);
}

.story-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-8);
  align-items: center;
}

.story-text {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
}

.story-paragraph {
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
}

.story-paragraph:last-child {
  margin-bottom: 0;
}

.story-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.image-placeholder {
  width: 100%;
  max-width: 280px;
  height: auto;
  border-radius: var(--radius-full);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--color-background);
  transition: all var(--duration-normal) var(--ease-out);
}

.image-placeholder:hover {
  transform: scale(1.05) rotate(2deg);
  box-shadow: var(--shadow-xl);
}

/* 简历下载区域样式 */
.resume-section {
  margin-top: var(--space-12);
  padding: var(--space-6) 0;
}

.resume-card {
  background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.resume-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-primary-black);
  opacity: 0.05;
  z-index: 1;
}

.resume-content {
  padding: var(--space-8);
  text-align: center;
  position: relative;
  z-index: 2;
  color: var(--color-primary-white);
}

.resume-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-4);
  color: var(--color-primary-white);
}

.resume-description {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-6);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  color: rgba(255, 255, 255, 0.9);
}

.resume-download {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background-color: var(--color-primary-white) !important;
  color: var(--color-accent-dark) !important;
  font-weight: var(--font-weight-semibold);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-out);
}

.resume-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  background-color: var(--color-primary-white) !important;
  color: var(--color-accent) !important;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .story-content {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  .story-image {
    order: -1;
    margin-bottom: var(--space-4);
  }
  
  .social-links-grid {
    grid-template-columns: 1fr;
  }
  
  .social-card {
    padding: var(--space-4);
  }
  
  .resume-content {
    padding: var(--space-6);
  }
  
  .resume-title {
    font-size: var(--font-size-xl);
  }
  
  .resume-description {
    font-size: var(--font-size-base);
  }
}

/* 技能气泡样式 */
.skills-container {
  width: 100%;
  margin: var(--space-8) 0;
  position: relative;
  border-radius: var(--radius-lg);
  background-color: var(--color-background);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.skills-canvas {
  width: 100%;
  height: 500px; /* 与JS中保持一致 */
  position: relative;
  overflow: hidden;
}

.skill-data {
  display: none; /* 隐藏原始数据，仅用于JS获取 */
}

/* 联系方式新样式 */
.contact-links-container {
  width: 100%;
  margin: var(--space-8) 0;
}

.contact-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  width: 100%;
  align-items: start; /* Align items to the top to prevent stretching */
}

.contact-card {
  display: flex;
  align-items: center;
  background-color: var(--color-background);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
  transition: all var(--duration-normal) var(--ease-out);
  text-decoration: none;
  color: var(--color-text-primary);
  min-width: 0; /* 防止内容溢出 */
}

.contact-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
  text-decoration: none;
}

.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--color-surface);
  color: var(--color-accent);
  margin-right: var(--space-5);
  flex-shrink: 0;
  transition: all var(--duration-normal) var(--ease-out);
}

.contact-card:hover .contact-icon {
  background-color: var(--color-accent);
  color: var(--color-primary-white);
  transform: scale(1.1);
}

.contact-info {
  flex: 1;
  min-width: 0; /* 允许文本截断 */
}

.contact-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  white-space: nowrap;
}

.contact-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .contact-row {
    flex-direction: column; /* 移动端换行显示 */
  }
  
  .contact-card {
    width: 100%;
  }
}

.portfolio-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

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

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

.portfolio-card .portfolio-info {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.portfolio-card .portfolio-image {
    width: 100%;
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
    position: relative;
    margin-top: auto; /* Push image to the bottom */
}

.portfolio-card .portfolio-image img,
.portfolio-card .portfolio-image .image-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.portfolio-card .portfolio-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.portfolio-card .portfolio-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
    flex-grow: 1;
    margin-bottom: 1rem;
}

.portfolio-card .portfolio-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.portfolio-card .portfolio-tech .tech-tag {
    margin-right: 0.5rem;
    font-size: 0.8rem;
}

.portfolio-card .portfolio-links {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.contact-card-header {
  display: flex;
  align-items: center;
  padding: var(--space-5);
}

.contact-card-details {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s var(--ease-out), padding 0.5s var(--ease-out);
  /* Remove padding from the default state */
  padding: 0 var(--space-5);
  text-align: center;
  visibility: hidden; /* Hide content until expanded */
}

.contact-card-interactive.active .contact-card-details {
  max-height: 250px; /* Adjusted max-height */
  /* Apply padding only when active */
  padding: var(--space-2) var(--space-5) var(--space-5);
  visibility: visible;
}

.qr-code {
  width: 100%;
  max-width: 120px; /* Limit QR code size */
  height: auto;
  border-radius: var(--radius-md);
  margin: 0 auto var(--space-3);
  display: block;
}

.contact-id {
  font-size: var(--font-size-sm);
}

/* New Interactive Contact Card Styles */
.contact-card-interactive {
  background-color: var(--color-background);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
  transition: all var(--duration-normal) var(--ease-out);
  cursor: pointer;
  overflow: hidden; /* Important for the slide-down effect */
}

.contact-card-interactive:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.contact-card-header {
  display: flex;
  align-items: center;
  padding: var(--space-5);
}

.profile-picture-img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--color-accent);
    box-shadow: var(--shadow-lg);
}


/* Journey Graphic Styles */
.journey-graphic {
    position: relative;
    width: 180px;
    height: 180px;
    display: flex;
    justify-content: center;
    align-items: center;
    transform-style: preserve-3d;
    animation: spin-z 15s linear infinite;
}

.rings-container {
    position: absolute;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
}

.journey-graphic .ring {
    position: absolute;
    left: 50%;
    top: 50%;
    border-radius: 50%;
    border-style: solid;
    border-color: var(--color-accent) transparent transparent transparent;
    animation: rotate 8s linear infinite;
}

.journey-graphic .orbital {
    transform: rotateY(65deg) rotateX(10deg);
}

.journey-graphic .core {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--color-accent-light) 0%, var(--color-accent) 70%);
    box-shadow: 0 0 15px var(--color-accent-alpha);
    animation: pulse 3s ease-in-out infinite;
    z-index: 10;
}


.journey-graphic .ring:nth-child(1) {
    width: 160px;
    height: 160px;
    margin-left: -80px;
    margin-top: -80px;
    border-width: 2px;
    animation-direction: reverse;
    animation-delay: -1.5s;
}

.journey-graphic .ring:nth-child(2) {
    width: 140px;
    height: 140px;
    margin-left: -70px;
    margin-top: -70px;
    border-width: 3px;
    animation-delay: -2s;
}

.journey-graphic .ring:nth-child(3) { /* First orbital */
    width: 120px;
    height: 120px;
    margin-left: -60px;
    margin-top: -60px;
    border-width: 1px;
    animation-duration: 6s;
    animation-delay: -2.5s;
}

.journey-graphic .ring:nth-child(4) { /* Second orbital */
    width: 100px;
    height: 100px;
    margin-left: -50px;
    margin-top: -50px;
    border-width: 2px;
    animation-duration: 7s;
    animation-direction: reverse;
    animation-delay: -3s;
}

.journey-graphic .ring:nth-child(5) { /* Third orbital */
    width: 80px;
    height: 80px;
    margin-left: -40px;
    margin-top: -40px;
    border-width: 1px;
    animation-duration: 5s;
    animation-delay: -3.5s;
}

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

@keyframes spin-z {
    0% {
        transform: rotateZ(0deg);
    }
    100% {
        transform: rotateZ(360deg);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(0.95);
        box-shadow: 0 0 10px var(--color-accent-alpha);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 25px var(--color-accent);
    }
}


/* Skills Section */
.skills-section {
    padding-top: var(--space-7);
}

/* ===== 评论区样式 ===== */
.comment-form-container {
    max-width: 700px;
    margin: 0 auto var(--space-8);
    background-color: var(--color-surface);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
}

.form-group {
    margin-bottom: var(--space-4);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-alpha);
}

.form-actions {
    text-align: right;
}

.comments-list-container {
    max-width: 700px;
    margin: var(--space-8) auto 0;
}

.comments-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.comment-item {
    background-color: var(--color-surface);
    padding: var(--space-5);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
}

.comment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border-light);
    padding-bottom: var(--space-3);
}

.comment-author {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.comment-date {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.comment-content {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.btn[disabled] {
    background-color: var(--color-surface-alt);
    cursor: not-allowed;
}

/* 统一按钮基础样式 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  cursor: pointer;
  min-width: 100px;
  min-height: 40px;
  white-space: nowrap;
  font-size: var(--font-size-base);
  line-height: 1.5;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background-color: var(--color-accent-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}

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

/* 保持原有的按钮样式 */

.nav-overlay-content .nav-links li a {
  font-size: var(--font-size-lg); /* Reduced font size */
  padding: var(--space-3) var(--space-4); /* Reduced padding */
  border-radius: var(--border-radius-md);
}

.nav-overlay-content .nav-overlay-list {
  list-style: none;
  padding: 0;
  margin: 0;
  width: 100%;
}

.nav-overlay-content .nav-overlay-item {
  width: 100%;
}

.nav-overlay-content .nav-overlay-link {
  display: block;
  font-size: var(--font-size-md); /* Corrected: Reduced font size */
  padding: var(--space-3) var(--space-6); /* Corrected: Adjusted padding */
  color: var(--color-text);
  text-decoration: none;
  transition: background-color var(--duration-fast);
  border-radius: var(--border-radius-md);
  font-weight: var(--font-weight-medium);
}

.nav-overlay-content .nav-overlay-link.active,
.nav-overlay-content .nav-overlay-link:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}