/* 导入字体 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* 基础变量 */
:root {
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --color-background: transparent;
  --color-text: #ffffff;
  --color-text-secondary: rgba(255, 255, 255, 0.7);
  --color-accent: #00ccff;
  --color-border: rgba(255, 255, 255, 0.1);
  --spacing-unit: 8px;
  --max-width: 1200px;
  --border-radius: 8px;
}

/* 全局样式 */
body {
  font-family: var(--font-primary);
  background-color: var(--color-background);
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.6;
  padding: calc(var(--spacing-unit) * 3);
  opacity: 1;
  transition: opacity 0.3s ease;
}

body.page-transition-out {
  opacity: 0;
}

body.page-transition-in {
  animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 calc(var(--spacing-unit) * 2);
  position: relative;
  z-index: 1;
}

/* 导航栏样式 - 图2简洁风格 */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: calc(var(--spacing-unit) * 6);
  padding: calc(var(--spacing-unit) * 2.5) calc(var(--spacing-unit) * 3);
}

/* 导航栏logo样式 */
.nav-logo a {
  font-size: 1.2rem;
  font-weight: 600;
  color: inherit;
  text-decoration: none;
}

/* 确保导航栏logo在各种主题下的颜色正确 */
body:not(.light-theme) .nav-logo a {
  color: #ffffff;
}

.light-theme .nav-logo a {
  color: #111111;
}

.nav-links {
  display: flex;
  gap: calc(var(--spacing-unit) * 4);
}

.nav-link {
  font-weight: 500;
  position: relative;
  color: inherit;
}

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

/* 确保导航链接在各种主题下的颜色正确 */
body:not(.light-theme) .nav-link {
  color: rgba(255, 255, 255, 0.9);
}

body:not(.light-theme) .nav-link:hover {
  color: #00ccff;
}

.light-theme .nav-link {
  color: #4a4a4a;
}

.light-theme .nav-link:hover {
  color: #2563eb;
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 1px;
  bottom: -2px;
  left: 0;
  background-color: var(--color-accent);
  transition: width 0.3s ease;
}

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

/* 页头样式 - 图2简洁风格 */
.header {
  margin-bottom: calc(var(--spacing-unit) * 6);
}

.header-intro {
  max-width: 600px;
  margin-bottom: calc(var(--spacing-unit) * 4);
  padding: calc(var(--spacing-unit) * 3) calc(var(--spacing-unit) * 3);
}

.header-intro p {
  font-size: 1.1rem;
  line-height: 1.5;
  color: inherit;
  margin: 0;
}

/* 状态显示区域 */
.status {
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing-unit) * 2);
  margin-bottom: calc(var(--spacing-unit) * 8);
  padding: calc(var(--spacing-unit) * 2);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.status-toggle {
  font-weight: 500;
  cursor: pointer;
  display: inline-block;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.status-music {
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing-unit));
}

.status-music-title {
  font-size: 1.5rem;
  font-weight: 600;
}

.status-music-artist {
  color: var(--color-text-secondary);
}

/* 卡片样式 */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: calc(var(--spacing-unit) * 4);
  margin-bottom: calc(var(--spacing-unit) * 10);
}

.card {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  position: relative;
  z-index: 1;
  cursor: pointer;
  display: block;
  text-decoration: none;
  color: inherit;
}

.card:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 10px 25px rgba(0, 200, 255, 0.15);
  border-color: rgba(0, 200, 255, 0.3);
  background: rgba(0, 0, 0, 0.3);
}

.card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    120deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.05) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: -1;
}

.card:hover::after {
  opacity: 1;
}

/* 确保整个卡片作为链接时保持正确的颜色继承 */
a.card {
  color: inherit;
  text-decoration: none;
}

a.card:visited {
  color: inherit;
}

a.card:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.card-content {
  padding: calc(var(--spacing-unit) * 3);
  position: relative;
  z-index: 2;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: calc(var(--spacing-unit) * 2);
  transition: transform 0.3s ease;
}

.card:hover .card-title {
  transform: translateY(-2px);
  color: var(--color-accent);
}

.card-description {
  color: var(--color-text-secondary);
  margin-bottom: calc(var(--spacing-unit) * 2);
  transition: transform 0.3s ease;
}

.card:hover .card-description {
  transform: translateY(-2px);
}

.card-date {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.card-link {
  display: inline-block;
  margin-top: calc(var(--spacing-unit) * 2);
  font-weight: 500;
  color: var(--color-accent);
  position: relative;
  transition: transform 0.3s ease;
  pointer-events: none; /* 防止span抢夺点击事件 */
}

.card-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 1px;
  bottom: -2px;
  left: 0;
  background-color: var(--color-accent);
  transition: width 0.3s ease;
}

.card:hover .card-link {
  transform: translateY(-2px);
}

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

/* 订阅区域 */
.subscribe {
  margin-top: calc(var(--spacing-unit) * 10);
  padding: calc(var(--spacing-unit) * 4);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.subscribe-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.subscribe-description {
  margin-bottom: calc(var(--spacing-unit) * 3);
  color: var(--color-text-secondary);
}

.subscribe-form {
  display: flex;
  gap: calc(var(--spacing-unit) * 2);
}

.subscribe-input {
  flex: 1;
  padding: calc(var(--spacing-unit) * 1.5);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: rgba(0, 0, 0, 0.2);
  color: var(--color-text);
}

.subscribe-button {
  padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 3);
  background-color: var(--color-accent);
  color: #000;
  border-radius: var(--border-radius);
  font-weight: 500;
  cursor: pointer;
}

.subscribe-button:hover {
  background-color: rgba(0, 204, 255, 0.8);
}

.subscribe-count {
  margin-top: calc(var(--spacing-unit) * 2);
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

/* 页脚样式 */
.footer {
  margin-top: calc(var(--spacing-unit) * 10);
  padding-top: calc(var(--spacing-unit) * 4);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
    gap: calc(var(--spacing-unit) * 2);
  }
  
  .nav-links {
    flex-wrap: wrap;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .subscribe-form {
    flex-direction: column;
  }
  
  /* 禁用或简化backdrop-filter效果 */
  .content-wrapper,
  .video-item,
  .subscription-box,
  .contact-card,
  .hero-content,
  .nav {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
  
  /* 简化动画效果 */
  .work-card {
    transition: transform 0.1s ease !important;
  }
  
  .work-card:hover {
    transform: translateY(-1px) !important;
  }
  
  /* 减少阴影效果 */
  .work-card,
  .content-wrapper,
  .video-item {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
  }
}

/* 检测低性能模式的CSS优化 */
.low-performance-device .content-wrapper,
.low-performance-device .video-item,
.low-performance-device .subscription-box,
.low-performance-device .contact-card,
.low-performance-device .hero-content,
.low-performance-device .nav {
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  /* 使用简单的半透明背景代替毛玻璃效果 */
  background: rgba(255, 255, 255, 0.15) !important;
}

.low-performance-device.light-theme .content-wrapper,
.low-performance-device.light-theme .video-item,
.low-performance-device.light-theme .subscription-box,
.low-performance-device.light-theme .contact-card,
.low-performance-device.light-theme .hero-content,
.low-performance-device.light-theme .nav {
  background: rgba(255, 255, 255, 0.8) !important;
}

/* 禁用复杂的动画效果 */
.power-save-mode * {
  animation-play-state: paused !important;
  transition-duration: 0.1s !important;
}

.power-save-mode .work-card:hover {
  transform: none !important;
}

/* 视频卡顿时的紧急优化 */
.video-performance-critical {
  /* 禁用所有非必要的视觉效果 */
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  filter: none !important;
  transform: none !important;
  animation: none !important;
  transition: none !important;
}

.video-performance-critical * {
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  filter: none !important;
  animation: none !important;
  will-change: auto !important;
}

/* 减少重绘和回流的优化 */
.performance-optimized {
  contain: layout style paint;
  will-change: auto;
}

.performance-optimized .work-card {
  contain: layout style;
  transform: translateZ(0);
}

/* 关于页面样式 */
.about-content {
  max-width: 700px;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  padding: calc(var(--spacing-unit) * 4);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
}

.about-section {
  margin-bottom: calc(var(--spacing-unit) * 8);
}

.about-title {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.about-text {
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.resume-download {
  display: inline-block;
  padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 3);
  background-color: var(--color-accent);
  color: #000;
  border-radius: var(--border-radius);
  font-weight: 500;
  margin-top: calc(var(--spacing-unit) * 3);
}

.resume-download:hover {
  background-color: rgba(0, 204, 255, 0.8);
}

/* 项目页面样式 */
.project-item {
  margin-bottom: calc(var(--spacing-unit) * 6);
  padding-bottom: calc(var(--spacing-unit) * 6);
  border-bottom: 1px solid var(--color-border);
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  padding: calc(var(--spacing-unit) * 4);
  border-radius: var(--border-radius);
  margin-top: calc(var(--spacing-unit) * 4);
}

.project-item:last-child {
  border-bottom: none;
}

.project-title {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.project-description {
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.project-link {
  display: inline-block;
  color: var(--color-accent);
  font-weight: 500;
}

/* 媒体页面样式 */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: calc(var(--spacing-unit) * 2);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  aspect-ratio: 1;
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.gallery-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover .gallery-image {
  transform: scale(1.05);
}

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: calc(var(--spacing-unit) * 1.5);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-caption {
  transform: translateY(0);
}

/* 画廊分类按钮样式 */
.gallery-categories {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--spacing-unit) * 2);
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.gallery-category {
  padding: calc(var(--spacing-unit)) calc(var(--spacing-unit) * 2);
  background-color: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  color: var(--color-text);
}

.gallery-category:hover {
  background-color: rgba(0, 204, 255, 0.1);
  border-color: var(--color-accent);
}

.gallery-category.active {
  background-color: var(--color-accent);
  color: #000;
  border-color: var(--color-accent);
}

/* 灯箱样式 */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.lightbox-content {
  position: relative;
  max-width: 90%;
  max-height: 90%;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: var(--border-radius);
  border: 1px solid rgba(0, 204, 255, 0.2);
  box-shadow: 0 0 30px rgba(0, 204, 255, 0.1);
}

.lightbox-caption {
  color: white;
  text-align: center;
  padding: calc(var(--spacing-unit) * 2);
}

.lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  color: white;
  font-size: 30px;
  background: none;
  border: none;
  cursor: pointer;
}

/* 联系页面样式 */
.contact-form {
  max-width: 600px;
  margin-bottom: calc(var(--spacing-unit) * 8);
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  padding: calc(var(--spacing-unit) * 4);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
}

.form-group {
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.form-label {
  display: block;
  margin-bottom: calc(var(--spacing-unit));
  font-weight: 500;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: calc(var(--spacing-unit) * 1.5);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: rgba(0, 0, 0, 0.2);
  color: var(--color-text);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-submit {
  padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 3);
  background-color: var(--color-accent);
  color: #000;
  border-radius: var(--border-radius);
  font-weight: 500;
  cursor: pointer;
}

.form-submit:hover {
  background-color: rgba(0, 204, 255, 0.8);
}

.contact-info {
  margin-top: calc(var(--spacing-unit) * 8);
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  padding: calc(var(--spacing-unit) * 4);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
}

.contact-item {
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.contact-label {
  font-weight: 500;
  margin-right: calc(var(--spacing-unit));
}

/* 社交媒体列表样式 */
.social-list {
  margin-top: calc(var(--spacing-unit) * 3);
}

.social-item {
  margin-bottom: calc(var(--spacing-unit) * 2);
}

/* 隐藏元素 */
.hidden {
  display: none;
}