/* =========================================================
   好玩岛 (Wanderland) 官网样式表
   特色：现代暗色潮酷科技风、微霓虹质感、流光悬浮动画、响应式卡片网格
   ========================================================= */

:root {
  --bg-main: #0c0e14;
  --bg-card: #151821;
  --bg-card-hover: #1b1f2b;
  --bg-card-glass: rgba(21, 24, 33, 0.75);
  --header-bg: rgba(12, 14, 20, 0.88);
  
  --primary: #6366f1;
  --primary-glow: rgba(99, 102, 241, 0.45);
  --accent-pink: #ec4899;
  --accent-cyan: #06b6d4;
  --accent-purple: #a855f7;
  --accent-amber: #f59e0b;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dark: #64748b;
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(99, 102, 241, 0.5);
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 16px 36px rgba(99, 102, 241, 0.25);
  --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 全局重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 15px;
}

body {
  font-family: 'Plus Jakarta Sans', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 按钮通用规范 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  color: #fff;
  box-shadow: 0 4px 14px var(--primary-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

.btn-accent {
  background: linear-gradient(135deg, #f43f5e, #ec4899);
  color: #fff;
  box-shadow: 0 4px 16px rgba(244, 63, 94, 0.4);
}
.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(244, 63, 94, 0.6);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.4);
}

/* =========================================================
   1. 顶部全局导航栏 (Site Header)
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  height: 68px;
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

/* 品牌 Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #ec4899, #8b5cf6);
  border-radius: 10px;
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
  box-shadow: 0 4px 12px rgba(236, 72, 153, 0.4);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  background: linear-gradient(90deg, #ffffff, #c7d2fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-sub {
  font-size: 0.65rem;
  letter-spacing: 2px;
  color: var(--accent-cyan);
  font-weight: 700;
}

/* 导航项 */
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  padding: 8px 16px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-item:hover,
.nav-item.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.nav-item.active {
  color: #c7d2fe;
  font-weight: 600;
}

/* 顶部搜索框 */
.header-search {
  flex: 1;
  max-width: 380px;
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 4px 6px 4px 14px;
  transition: var(--transition);
}

.header-search:focus-within {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary);
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.3);
}

.search-icon {
  width: 18px;
  height: 18px;
  color: var(--text-dark);
  margin-right: 8px;
}

.header-search input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-size: 0.88rem;
}

.header-search input::placeholder {
  color: var(--text-dark);
}

.search-btn {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: 18px;
  font-size: 0.82rem;
  cursor: pointer;
  transition: var(--transition);
}

.search-btn:hover {
  background: var(--primary);
  color: #fff;
}

/* 右侧操作栏 */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.88rem;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.action-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

/* =========================================================
   2. 核心大图海报横幅 (Hero Banner Section)
   ========================================================= */
.hero-banner-section {
  padding: 24px 0 32px 0;
}

.hero-banner-card {
  position: relative;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, #2b1055 0%, #150050 40%, #000000 100%);
  border: 1px solid rgba(168, 85, 247, 0.35);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  padding: 42px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  overflow: hidden;
  gap: 40px;
}

.banner-glow-effect {
  position: absolute;
  top: -60px;
  right: -60px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.35) 0%, rgba(99, 102, 241, 0.15) 50%, transparent 70%);
  filter: blur(50px);
  pointer-events: none;
}

.banner-content-left {
  flex: 1.2;
  z-index: 2;
}

.banner-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 0.82rem;
  margin-bottom: 16px;
  backdrop-filter: blur(8px);
}

.live-dot {
  width: 8px;
  height: 8px;
  background-color: #ef4444;
  border-radius: 50%;
  box-shadow: 0 0 10px #ef4444;
  animation: pulse 1.6s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.8; }
}

.tag-hot {
  color: var(--accent-amber);
  font-weight: 600;
}

.banner-title {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
}

.glow-text {
  background: linear-gradient(135deg, #ffffff 10%, #f472b6 60%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 4px 12px rgba(244, 114, 182, 0.3));
}

.sub-title {
  font-size: 1.2rem;
  letter-spacing: 6px;
  color: rgba(255, 255, 255, 0.45);
  font-weight: 700;
  margin-top: 4px;
}

.banner-subtitle {
  font-size: 1.1rem;
  color: #e2e8f0;
  margin-bottom: 20px;
  font-weight: 500;
}

.banner-features {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 0;
}

.feature-pill {
  font-size: 0.85rem;
  color: #cbd5e1;
  background: rgba(255, 255, 255, 0.08);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.banner-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Banner 右侧侧栏 */
.banner-aside {
  flex: 0.9;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.aside-item {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  backdrop-filter: blur(12px);
  transition: var(--transition);
}

.aside-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(4px);
  border-color: rgba(236, 72, 153, 0.5);
}

.aside-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  background: linear-gradient(90deg, #ec4899, #f43f5e);
  color: #fff;
  margin-bottom: 8px;
}

.aside-badge.purple {
  background: linear-gradient(90deg, #8b5cf6, #6366f1);
}

.aside-badge.cyan {
  background: linear-gradient(90deg, #06b6d4, #3b82f6);
}

.aside-item h4 {
  font-size: 0.98rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.aside-item p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* =========================================================
   3. 分类切换与筛选工具栏 (Showcase Header Section)
   ========================================================= */
.showcase-header-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0 18px 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
}

.section-title-wrap {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.45rem;
  font-weight: 800;
  color: #fff;
}

.accent-bar {
  width: 4px;
  height: 20px;
  background: linear-gradient(180deg, var(--accent-pink), var(--primary));
  border-radius: 2px;
}

.category-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.tab-item {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 20px;
  cursor: pointer;
  transition: var(--transition);
}

.tab-item:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.tab-item.active {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 4px 12px var(--primary-glow);
}

.section-right-tools {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tool-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.tool-btn:hover {
  color: #fff;
  border-color: var(--border-hover);
  background: rgba(255, 255, 255, 0.08);
}

/* =========================================================
   4. 展演卡片网格列表 (Cards Grid Section - 截图精细复刻)
   ========================================================= */
.cards-grid-section {
  padding-bottom: 56px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

/* 单张卡片样式 */
.show-card {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.show-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-hover);
}

.card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9.5;
  overflow: hidden;
  background: #1e2230;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.show-card:hover .card-media img {
  transform: scale(1.06);
}

/* 卡片角标 */
.card-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  color: #fff;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

.card-badge.purple-grad {
  background: linear-gradient(135deg, #8b5cf6, #ec4899);
}

.card-badge.red-grad {
  background: linear-gradient(135deg, #ef4444, #f97316);
}

.card-badge.blue-grad {
  background: linear-gradient(135deg, #3b82f6, #06b6d4);
}

/* 封面底部浮层：达人信息与热度 */
.media-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px 10px 8px 10px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, transparent 100%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 2;
}

.talent-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow: hidden;
}

.talent-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.7);
  object-fit: cover;
}

.talent-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: #f1f5f9;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 90px;
}

.card-heat {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 0.76rem;
  color: #cbd5e1;
  font-weight: 500;
}

.heat-icon {
  width: 13px;
  height: 13px;
  fill: #f59e0b;
}

/* 卡片标题描述 */
.card-content {
  padding: 12px 12px 14px 12px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: #e2e8f0;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.2s ease;
}

.show-card:hover .card-title {
  color: #a5b4fc;
}

.card-tags-row {
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.sub-tag {
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-dark);
}

/* =========================================================
   4.5 精彩视频展区 (Video Showcase Section)
   ========================================================= */
.video-showcase-section {
  padding: 8px 0 64px 0;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.video-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.video-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-hover);
}

.video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  overflow: hidden;
}

.video-frame video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.video-caption {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  flex: 1;
}

.video-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 800;
  color: #c7d2fe;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.22), rgba(168, 85, 247, 0.22));
  border: 1px solid rgba(99, 102, 241, 0.35);
}

.video-caption-text h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
}

.video-caption-text p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* =========================================================
   5. 好玩岛核心生态特色 (Platform Features Section)
   ========================================================= */
.platform-features-section {
  padding: 64px 0;
  border-top: 1px solid var(--border-color);
}

.section-heading {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px auto;
}

.sub-heading {
  font-size: 0.75rem;
  letter-spacing: 3px;
  color: var(--primary);
  font-weight: 800;
  text-transform: uppercase;
}

.heading-title {
  font-size: 2.1rem;
  font-weight: 800;
  color: #fff;
  margin: 8px 0 12px 0;
}

.heading-desc {
  font-size: 0.98rem;
  color: var(--text-muted);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.icon-purple { background: rgba(168, 85, 247, 0.15); color: #c084fc; }
.icon-blue { background: rgba(59, 130, 246, 0.15); color: #60a5fa; }
.icon-pink { background: rgba(236, 72, 153, 0.15); color: #f472b6; }
.icon-emerald { background: rgba(16, 185, 129, 0.15); color: #34d399; }

.feature-card h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* =========================================================
   6. 移动端/微信小程序接入指引卡片 (Download Banner)
   ========================================================= */
.download-banner-section {
  padding-bottom: 72px;
}

.download-card {
  background: linear-gradient(135deg, rgba(30, 27, 75, 0.7) 0%, rgba(15, 23, 42, 0.9) 100%);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-xl);
  padding: 44px 48px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.download-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.download-tag {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.download-info h3 {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
}

.download-info p {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
}

.store-buttons {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.qr-preview-box {
  background: #ffffff;
  padding: 16px;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.qr-code-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #1e1b4b;
  font-size: 0.75rem;
  font-weight: 700;
}

.store-tips {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tip-line {
  font-size: 0.92rem;
  color: #cbd5e1;
  font-weight: 500;
}

/* =========================================================
   7. 页面底部 (Site Footer - 备案审查规范)
   ========================================================= */
.site-footer {
  background: #08090d;
  border-top: 1px solid var(--border-color);
  padding: 60px 0 36px 0;
  font-size: 0.9rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
}

.brand-col .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.brand-col .brand-name {
  font-size: 1.35rem;
  font-weight: 800;
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 16px;
}

.service-time {
  font-size: 0.82rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

.footer-title {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-links a:hover {
  color: #fff;
  padding-left: 4px;
}

.company-info-block {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.company-info-block strong {
  color: #cbd5e1;
}

.footer-divider {
  height: 1px;
  background: var(--border-color);
  margin: 40px 0 28px 0;
}

/* 核心备案条目区 */
.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
  text-align: center;
}

.compliance-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
}

.copyright-text {
  color: var(--text-dark);
  font-size: 0.82rem;
}

.icp-link, .police-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 0.82rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: var(--transition);
}

.icp-link:hover, .police-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary);
}

.icp-icon {
  color: var(--primary);
}

.notice-row .filing-notice {
  font-size: 0.75rem;
  color: var(--text-dark);
  max-width: 880px;
}

/* =========================================================
   8. 弹窗模态框 (Modal)
   ========================================================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  width: 100%;
  max-width: 580px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  transform: translateY(20px);
  transition: transform 0.25s ease;
}

.modal-overlay.open .modal-card {
  transform: translateY(0);
}

.modal-header {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}

.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--text-dark);
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s;
}

.modal-close-btn:hover {
  color: #fff;
}

.modal-body {
  padding: 24px;
  max-height: 60vh;
  overflow-y: auto;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.modal-footer {
  padding: 16px 24px;
  display: flex;
  justify-content: flex-end;
  border-top: 1px solid var(--border-color);
  background: rgba(0, 0, 0, 0.2);
}

/* =========================================================
   响应式适配 (Responsive Media Queries)
   ========================================================= */
@media (max-width: 1200px) {
  .cards-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 992px) {
  .hero-banner-card {
    flex-direction: column;
    padding: 32px 24px;
  }
  .banner-aside {
    width: 100%;
  }
  .cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .video-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .video-grid .video-card:last-child {
    grid-column: 1 / -1;
    max-width: 50%;
    margin: 0 auto;
    width: 100%;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .site-header {
    height: auto;
    padding: 12px 0;
  }
  .header-inner {
    flex-wrap: wrap;
  }
  .main-nav {
    display: none; /* 移动端精简顶部 */
  }
  .header-search {
    order: 3;
    max-width: 100%;
    width: 100%;
    margin-top: 8px;
  }
  .banner-title {
    font-size: 2.3rem;
  }
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .video-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .video-grid .video-card:last-child {
    grid-column: auto;
    max-width: none;
    margin: 0;
  }
  .showcase-header-section {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .compliance-row {
    flex-direction: column;
    gap: 10px;
  }
}

@media (max-width: 480px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }
}