/* Silksong Hub - 空洞骑士：丝之歌主题样式 v2.0 */

/* ========================= 
   CSS变量定义
   ========================= */
:root {
  /* 主色彩 */
  --accent: #d94c83;
  --accent-light: #e85f94;
  --accent-dark: #b83d6a;
  
  /* 背景色彩 */
  --bg: #0e0f1a;
  --bg-secondary: #1a1d2e;
  --bg-tertiary: #252940;
  --bg-gradient: linear-gradient(135deg, #0e0f1a 0%, #1a1d2e 50%, #252940 100%);
  
  /* 文本色彩 */
  --text: #e8e8e8;
  --text-secondary: #b8b9c4;
  --text-muted: #8b8d9a;
  
  /* 边框和阴影 */
  --border: #2a2f44;
  --border-light: #3a405a;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 30px rgba(217, 76, 131, 0.3);
  
  /* 尺寸和间距 */
  --radius: 12px;
  --radius-lg: 20px;
  --maxw: 1240px;
  --section-padding: 5rem 0;
  --container-padding: 0 1.5rem;
  
  /* 动画 */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================= 
   基础重置和全局样式
   ========================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  background-image: 
    radial-gradient(circle at 25% 25%, rgba(217, 76, 131, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(217, 76, 131, 0.08) 0%, transparent 50%);
  background-attachment: fixed;
  font-size: 16px;
  overflow-x: hidden;
}

body.mobile-menu-open {
  overflow: hidden;
}

/* ========================= 
   排版系统
   ========================= */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1.25rem;
  color: var(--text);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p { 
  margin-bottom: 1.25rem; 
  color: var(--text-secondary);
}

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

a:hover, a:focus {
  color: var(--accent-light);
}

a:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ========================= 
   容器和布局系统
   ========================= */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--container-padding);
}

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

.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 3rem;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-cta {
  text-align: center;
  margin-top: 3rem;
}

/* ========================= 
   Header 导航样式
   ========================= */
#site-header {
  background: rgba(14, 15, 26, 0.95);
  backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

.header-content {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: 2rem;
}

.logo {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent);
  text-decoration: none;
  position: relative;
  display: flex;
  align-items: center;
  transition: all 0.3s ease;
}

.logo-text {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.75rem;
  font-weight: 800;
}

.logo img {
  transition: all 0.3s ease;
  filter: brightness(1);
}

.logo:hover img {
  filter: brightness(1.1);
  transform: scale(1.05);
}

.logo:hover .logo-text {
  background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Logo下划线特效已移除，因为现在使用图片+文字组合 */

#main-nav {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

#main-nav a {
  color: var(--text-secondary);
  font-weight: 500;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
}

#main-nav a::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(217, 76, 131, 0.1);
  border-radius: var(--radius);
  opacity: 0;
  transition: opacity 0.3s ease;
}

#main-nav a:hover,
#main-nav a:focus {
  color: var(--accent);
  text-decoration: none;
  transform: translateY(-2px);
}

#main-nav a:hover::before,
#main-nav a:focus::before {
  opacity: 1;
}

#main-nav a.active {
  color: var(--accent);
  background: rgba(217, 76, 131, 0.15);
}

/* 语言切换器 */
.language-switcher {
  position: relative;
  z-index: 10;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(217, 76, 131, 0.1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}

.lang-toggle:hover,
.lang-toggle.active {
  background: rgba(217, 76, 131, 0.2);
  border-color: var(--accent);
  color: var(--accent);
}

.lang-arrow {
  transition: transform 0.3s ease;
  font-size: 0.8rem;
}

.lang-toggle.active .lang-arrow {
  transform: rotate(180deg);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
  min-width: 120px;
}

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

.lang-option {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
  font-size: 0.9rem;
}

.lang-option:hover {
  background: rgba(217, 76, 131, 0.1);
  color: var(--accent);
}

.lang-option:first-child {
  border-radius: var(--radius) var(--radius) 0 0;
}

.lang-option:last-child {
  border-radius: 0 0 var(--radius) var(--radius);
}

/* 移动端菜单切换 */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius);
  transition: var(--transition);
}

.mobile-menu-toggle:hover {
  background: rgba(217, 76, 131, 0.1);
  color: var(--accent);
}

/* ========================= 
   主视觉轮播区
   ========================= */
.hero-carousel {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}

.carousel-container {
  position: relative;
  width: 100%;
  height: 100%;
}

.carousel-slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.carousel-slide.active {
  opacity: 1;
}

.carousel-bg-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: -1;
}

.slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    45deg,
    rgba(14, 15, 26, 0.8) 0%,
    rgba(14, 15, 26, 0.4) 50%,
    rgba(14, 15, 26, 0.8) 100%
  );
  display: flex;
  align-items: center;
  justify-content: center;
}

.slide-content {
  text-align: center;
  max-width: 800px;
  padding: 2rem;
}

.game-logo {
  max-width: 400px;
  height: auto;
  margin-bottom: 2rem;
  filter: drop-shadow(var(--shadow-glow));
}

.slide-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
}

.slide-tagline {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-weight: 300;
}

/* 轮播控制 */
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(217, 76, 131, 0.2);
  border: 2px solid rgba(217, 76, 131, 0.3);
  color: var(--text);
  font-size: 2rem;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  z-index: 10;
}

.carousel-btn:hover {
  background: rgba(217, 76, 131, 0.4);
  border-color: var(--accent);
  transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
  left: 2rem;
}

.carousel-next {
  right: 2rem;
}

/* 轮播指示器 */
.carousel-indicators {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 1rem;
  z-index: 10;
}

.indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  border: 2px solid rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--transition);
}

.indicator.active,
.indicator:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.2);
}

/* CTA按钮区域 */
.hero-cta {
  position: absolute;
  bottom: 4rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

/* ========================= 
   按钮系统
   ========================= */
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 1.1rem;
  text-decoration: none;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.cta-button.primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  color: white;
  border: 2px solid transparent;
}

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

.cta-button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.cta-button.primary:hover::before {
  opacity: 1;
}

.cta-button.secondary:hover {
  background: var(--accent);
  color: white;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(217, 76, 131, 0.4);
}

.cta-button span {
  position: relative;
  z-index: 1;
}

/* ========================= 
   购买平台展示区
   ========================= */
.platform-showcase {
  background: var(--bg-secondary);
  padding: 4rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.platform-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 3rem;
}

.platform-logos {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 1rem 0;
}

.platform-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  text-decoration: none;
  color: var(--text-secondary);
  height: 180px;
  backdrop-filter: blur(10px);
}

.platform-link:hover {
  background: rgba(217, 76, 131, 0.1);
  border-color: rgba(217, 76, 131, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
  color: var(--accent);
}

.platform-logo {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin-bottom: 0.5rem;
  transition: var(--transition);
}

.platform-link:hover .platform-logo {
  transform: scale(1.1);
}

.platform-name {
  font-size: 0.9rem;
  font-weight: 600;
  text-align: center;
}

.platform-cta {
  text-align: center;
  margin-top: 2.5rem;
}


/* ========================= 
   视频展示区
   ========================= */
.video-showcase {
  background: var(--bg-secondary);
  padding: 4rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.video-container {
  max-width: 900px;
  margin: 0 auto;
}

.video-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-glow);
  background: var(--bg-tertiary);
}

/* Lite YouTube 样式覆盖 */
lite-youtube {
  border-radius: var(--radius-lg);
}

.lty-playbtn {
  background: rgba(217, 76, 131, 0.9) !important;
  border-radius: 50% !important;
  transition: var(--transition) !important;
}

.lty-playbtn:hover {
  background: var(--accent) !important;
  transform: scale(1.1) !important;
}

/* 备用视频iframe容器 */
.video-fallback-iframe {
  margin-top: 2rem;
  text-align: center;
}

.video-fallback-iframe p {
  margin-bottom: 1rem;
  color: var(--text-muted);
  font-style: italic;
}

.iframe-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9宽高比 */
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.iframe-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-lg);
}

/* ========================= 
   游戏介绍区
   ========================= */
.game-intro {
  padding: 4rem 0;
  background: var(--bg-gradient);
  position: relative;
}

.game-intro::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 20% 30%, rgba(217, 76, 131, 0.1) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(217, 76, 131, 0.05) 0%, transparent 40%);
  pointer-events: none;
}

.intro-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: start;
  position: relative;
  z-index: 1;
}

.intro-left {
  padding-right: 2rem;
}

.intro-title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 2rem;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.intro-description p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.feature-highlights {
  margin-top: 3rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.feature-item:hover {
  background: rgba(217, 76, 131, 0.05);
  border-color: rgba(217, 76, 131, 0.2);
  transform: translateY(-2px);
}

.feature-icon {
  font-size: 2rem;
  min-width: 50px;
  text-align: center;
}

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

.feature-text p {
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* 统计卡片 */
.stats-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(15px);
  position: sticky;
  top: 100px;
  box-shadow: var(--shadow);
}

.stats-title {
  font-size: 1.75rem;
  margin-bottom: 2rem;
  text-align: center;
  color: var(--accent);
  font-weight: 700;
}

.stat-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.stat-label {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.stat-value {
  color: var(--text);
  font-weight: 600;
}

.platform-stat-item {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}

.platform-header {
  display: flex;
  align-items: center;
  height: 100%;
}

.platform-icons-wrapper {
  width: auto;
  margin-top: 0;
  display: flex;
  justify-content: flex-end;
}

.platform-icons {
  display: grid;
  grid-template-columns: repeat(4, 28px);
  grid-template-rows: repeat(2, auto);
  gap: 0.6rem 0.8rem;
  justify-content: end;
  width: fit-content;
}

.platform-icon {
  width: 28px;
  height: 28px;
  transition: var(--transition);
  object-fit: contain;
  margin: 0 auto;
}

.platform-icon:hover {
  transform: scale(1.15);
}

/* 进度条 */
.progress-item {
  padding: 1rem 0;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
  margin: 0.5rem 0;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-light) 100%);
  width: 0;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 4px;
}

.progress-text {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
}

/* ========================= 
   最新动态区
   ========================= */
.latest-news {
  background: var(--bg-secondary);
  padding: 6rem 0;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.news-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.news-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(217, 76, 131, 0.3);
}

.news-image {
  display: block;
  text-decoration: none;
  overflow: hidden;
  background: var(--bg-tertiary);
}

.news-image:hover {
  text-decoration: none;
}

.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
  display: block;
}

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

.news-content {
  padding: 1.5rem;
}

.news-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.news-title {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--text);
  line-height: 1.3;
}

.news-title a {
  color: var(--text);
  text-decoration: none;
  transition: var(--transition);
}

.news-title a:hover {
  color: var(--accent);
  text-decoration: none;
}

.news-summary {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.read-more {
  color: var(--accent);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.read-more:hover {
  transform: translateX(5px);
}

/* News list page specific styles */
.news-list .news-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
}

.news-list .news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(217, 76, 131, 0.3);
}

.news-list .news-image {
  height: 180px;
}

.news-list .news-content {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex-grow: 1; /* Allow content to grow and fill space */
}

.news-list .news-meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.news-list .news-title {
  font-size: 1.15rem;
  margin: 0;
  line-height: 1.3;
}

.news-list .news-title a {
  color: var(--text);
  text-decoration: none;
  transition: var(--transition);
}

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

.news-list .news-summary {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.news-list .read-more-wrapper {
  margin-top: auto; /* Push this element to the bottom */
  padding-top: 0.75rem; /* Add some space above the button */
}

.news-list .read-more {
  color: var(--accent);
  font-weight: 600;
}


/* ========================= 
  发售庆祝区
  ========================= */
.release-celebration {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(76, 175, 80, 0.1) 100%);
  padding: 3rem 0;
  text-align: center;
}

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

.celebration-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--accent) 0%, #4CAF50 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.celebration-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.celebration-description {
  color: var(--text-muted);
  font-size: 1rem;
}

/* ========================= 
   Footer 页脚样式
   ========================= */
.site-footer {
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
  margin-top: auto;
}

.footer-content {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.footer-info {
  flex: 1;
}

.footer-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.footer-disclaimer {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--text-secondary);
  transition: var(--transition);
}

.social-link:hover {
  background: rgba(217, 76, 131, 0.2);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.social-icon {
  font-size: 1.2rem;
}

/* ========================= 
   工具类
   ========================= */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ========================= 
   新闻详情页（Article）
   ========================= */
.article {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.article header h1 {
  font-size: 2.5rem;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.article-chip {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.article-cover {
  margin: 1rem 0 1.25rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.article-cover img {
  width: 100%;
  height: clamp(220px, 40vw, 480px);
  object-fit: cover;
  display: block;
}

.prose {
  color: var(--text-secondary);
  line-height: 1.9;
  font-size: 1.05rem;
}

.prose p { margin-bottom: 1.1rem; }
.prose h2 { margin: 1.8rem 0 0.8rem; font-size: 1.6rem; color: var(--text); }
.prose h3 { margin: 1.4rem 0 0.6rem; font-size: 1.25rem; color: var(--text); }
.prose ul, .prose ol { padding-left: 1.25rem; margin: 0.8rem 0 1.1rem; }
.prose li { margin: 0.35rem 0; }
.prose blockquote {
  margin: 1.2rem 0;
  padding: 1rem 1.25rem;
  border-left: 4px solid var(--accent);
  background: rgba(217, 76, 131, 0.08);
  color: var(--text);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.figure { 
  margin: 1.25rem 0;
}
.figure img { 
  border-radius: var(--radius); 
  box-shadow: var(--shadow-light);
  display: block;
  height: 300px;
  width: auto;
}
.caption { color: var(--text-muted); font-size: 0.9rem; margin-top: 0.5rem; text-align: center; }

.gallery {
  display: flex;
  justify-content: center;
  gap: 1rem;
  align-items: flex-start;
}

.tags { margin-top: 1.25rem; display: flex; gap: 0.5rem; flex-wrap: wrap; }
.tag { padding: 0.25rem 0.6rem; border-radius: 999px; border: 1px solid var(--border); color: var(--text-secondary); font-size: 0.8rem; background: rgba(255,255,255,0.04); }

.article-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.article-nav a { color: var(--text-secondary); }
.article-nav a:hover { color: var(--accent); }

@media (max-width: 768px) {
  .article header h1 { font-size: 2rem; }
  .gallery { grid-template-columns: 1fr; }
}

.text-center { text-align: center; }
.text-accent { color: var(--accent); }

/* ========================= 
   响应式设计
   ========================= */

/* 大屏幕 (1440px+) */
@media (min-width: 1440px) {
  :root {
    --maxw: 1400px;
  }
  
  .slide-title {
    font-size: 4rem;
  }
  
  .slide-tagline {
    font-size: 1.75rem;
  }
}

/* 平板设备 (768px - 1024px) */
@media (max-width: 1024px) {
  :root {
    --section-padding: 4rem 0;
    --container-padding: 0 1rem;
  }
  
  .header-content {
    padding: 0 1rem;
    height: 70px;
  }
  
  .intro-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .intro-left {
    padding-right: 0;
  }
  
  .stats-card {
    position: static;
  }
  
  .news-grid {
    grid-template-columns: 1fr;
  }
  
  .carousel-btn {
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
  }
  
  .carousel-prev {
    left: 1rem;
  }
  
  .carousel-next {
    right: 1rem;
  }
  
  /* 平台展示区域 */
  .platform-logos {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* 移动设备 (768px以下) */
@media (max-width: 768px) {
  /* 修复部分移动端（尤其 iOS）下背景固定导致的滚动异常 */
  body { background-attachment: scroll; }
  /* 移动端导航 */
  #main-nav {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--bg-secondary);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: flex-start;
    padding: 2rem 0;
    gap: 0;
    transition: left 0.3s ease;
    border-right: 1px solid var(--border);
    z-index: 999;
  }
  
  #main-nav.active {
    left: 0;
  }
  
  #main-nav li {
    width: 100%;
  }
  
  #main-nav a {
    display: block;
    padding: 1rem 2rem;
    border-radius: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 1.1rem;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .language-switcher {
    order: -1;
  }
  
  /* 轮播区 */
  .hero-carousel {
    height: 70vh;
    min-height: 500px;
  }
  
  .slide-title {
    font-size: 2rem;
  }
  
  .slide-tagline {
    font-size: 1.1rem;
  }
  
  .game-logo {
    max-width: 280px;
    margin-bottom: 1rem;
  }
  
  .carousel-btn {
    display: none; /* 隐藏左右箭头，只保留指示器 */
  }
  
  .carousel-indicators {
    bottom: 1rem;
  }
  
  .hero-cta {
    bottom: 2rem;
  }
  
  /* 页面标题 */
  .section-title {
    font-size: 2rem;
  }
  
  .intro-title {
    font-size: 2.25rem;
  }
  
  /* 功能特色 */
  .feature-item {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
  
  .feature-icon {
    font-size: 2.5rem;
  }
  
  /* 新闻网格 */
  .news-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .news-card {
    margin: 0 0.5rem;
  }
  
  /* 卡片响应式优化 */
  .card {
    padding: 1.5rem;
  }
  
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  /* 页脚 */
  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }
  
  /* 视频容器 */
  .video-container {
    margin: 0 1rem;
  }
  
  /* 平台展示区 */
  .platform-logos {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    padding: 0.5rem;
  }
  
  .platform-link {
    height: 150px;
    padding: 1rem;
  }
  
  .platform-logo {
    width: 60px;
    height: 60px;
  }
  
  .platform-name {
    font-size: 0.8rem;
  }
}

/* 小屏手机 (480px以下) */
@media (max-width: 480px) {
  :root {
    --section-padding: 3rem 0;
    --container-padding: 0 0.75rem;
  }
  
  .header-content {
    padding: 0 0.75rem;
  }
  
  /* 平台展示区 */
  .platform-logos {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
  }
  
  .platform-link {
    height: 130px;
    padding: 0.75rem;
  }
  
  .platform-logo {
    width: 50px;
    height: 50px;
  }
  
  .hero-carousel {
    height: 60vh;
    min-height: 400px;
  }
  
  .slide-content {
    padding: 1rem;
  }
  
  .slide-title {
    font-size: 1.75rem;
  }
  
  .slide-tagline {
    font-size: 1rem;
  }
  
  .game-logo {
    max-width: 200px;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .intro-title {
    font-size: 2rem;
  }
  
  .cta-button {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
  }
  
  .stats-card {
    padding: 1.5rem;
  }
  
  .news-content {
    padding: 1rem;
  }
  
  .celebration-title {
    font-size: 2rem;
  }
}

/* ========================= 
   Steam价格对比样式
   ========================= */
#price-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

#price-table th,
#price-table td {
  padding: 1rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

#price-table th {
  background: var(--bg-tertiary);
  color: var(--text);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

#price-table td {
  color: var(--text-secondary);
  vertical-align: middle;
}

#price-table tr:hover {
  background: rgba(217, 76, 131, 0.05);
}

#price-table td:first-child {
  text-align: left;
  font-weight: 600;
}

/* 最低价格高亮 */
.lowest {
  background: rgba(217, 76, 131, 0.2) !important;
  color: var(--accent) !important;
  font-weight: 700 !important;
}

.lowest-price-row {
  background: rgba(217, 76, 131, 0.1) !important;
}

.lowest-price-row:hover {
  background: rgba(217, 76, 131, 0.15) !important;
}

/* 购买按钮 */
.buy-button {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: white;
  border: none;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.9rem;
}

.buy-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(217, 76, 131, 0.4);
  color: white;
}

/* 价格控制器 */
.price-controls select {
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}

.price-controls select:hover,
.price-controls select:focus {
  border-color: var(--accent);
  outline: none;
  background: var(--bg-tertiary);
}

/* 最优价格横幅 */
#best-deal-banner {
  border: 2px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-glow);
  animation: dealPulse 2s ease-in-out infinite;
}

@keyframes dealPulse {
  0%, 100% { 
    transform: scale(1); 
    box-shadow: var(--shadow-glow);
  }
  50% { 
    transform: scale(1.02); 
    box-shadow: 0 0 40px rgba(217, 76, 131, 0.5);
  }
}

/* 表格容器响应式 */
.table-container {
  margin: 2rem 0;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

/* 卡片样式 */
.card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(15px);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

/* 购买建议卡片特殊样式 */
.purchase-recommendations .card {
  min-height: 300px;
  justify-content: space-between;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(217, 76, 131, 0.3);
}

.card h3 {
  color: var(--accent);
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
  font-weight: 600;
}

.card ol, .card ul {
  margin: 0;
  padding-left: 1.5rem;
}

.card li {
  margin-bottom: 0.75rem;
  line-height: 1.6;
}

.card li:last-child {
  margin-bottom: 0;
}

/* 网格布局类 */
.grid {
  display: grid;
  gap: 2rem;
}

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

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

/* 通用类 */
.text-center {
  text-align: center;
}

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

.mb-2 {
  margin-bottom: 2rem;
}

.mt-2 {
  margin-top: 2rem;
}

/* 加载动画 */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(217, 76, 131, 0.3);
  border-radius: 50%;
  border-top: 3px solid var(--accent);
  animation: spin 1s linear infinite;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
  #price-table th,
  #price-table td {
    padding: 0.75rem 0.5rem;
    font-size: 0.9rem;
  }
  
  .price-controls {
    flex-direction: column;
    align-items: stretch;
  }
  
  .buy-button {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
  }
  
  .table-container {
    margin: 1rem -1rem;
    border-radius: 0;
  }
  
  #best-deal-banner {
    margin: 1rem -1rem;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }
}