/* ==========================================================================
   红果AI魔改短剧 - PLAYER 专属独立视觉框架样式表
   Mobile-First 移动优先全屏自适应，完全继承各模版独特布局与视觉标识
   ========================================================================== */

:root {
  --bg-color: #050814;
  --card-bg: #0d1527;
  --border-color: #1e293b;
  --accent-color: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.25);
  --secondary-color: #10b981;
  --badge-bg: rgba(59, 130, 246, 0.15);
  --badge-color: #60a5fa;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
  background-color: var(--bg-color);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 70px;
}

/* 1. Header 顶栏导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 20px;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-main);
}

.brand img {
  border-radius: 8px;
  object-fit: cover;
}

.brand span {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.brand strong {
  font-size: 10px;
  margin-left: 6px;
  color: var(--accent-color);
  background: var(--badge-bg);
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

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

.nav-links a.nav-btn {
  background: var(--accent-color);
  color: #fff;
  padding: 6px 14px;
  border-radius: 6px;
  font-weight: 600;
  box-shadow: 0 2px 10px var(--accent-glow);
}

/* 2. Hero 焦点视觉首屏 */
.hero-section {
  max-width: 1100px;
  margin: 40px auto 30px;
  padding: 0 20px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 600;
  background: var(--badge-bg);
  color: var(--badge-color);
  border: 1px solid var(--accent-color);
  margin-bottom: 20px;
  box-shadow: 0 0 15px var(--accent-glow);
}

.hero-section h1 {
  font-size: 32px;
  line-height: 1.3;
  margin-bottom: 16px;
  color: #fff;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.hero-desc {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 780px;
  margin: 0 auto 28px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 36px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  min-height: 44px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
  color: #fff;
  box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
}

.btn-secondary {
  background: var(--card-bg);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

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

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.stat-item {
  background: var(--card-bg);
  padding: 16px 12px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

.stat-item strong {
  display: block;
  font-size: 24px;
  color: var(--accent-color);
  font-weight: 800;
  font-feature-settings: "tnum";
}

.stat-item span {
  font-size: 13px;
  color: var(--text-dim);
}

/* 3. 内容通用 Section */
.content-section {
  max-width: 1200px;
  margin: 50px auto;
  padding: 0 20px;
}

.section-title {
  text-align: center;
  margin-bottom: 32px;
}

.section-title .sub {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent-color);
  margin-bottom: 6px;
  text-transform: uppercase;
}

.section-title h2 {
  font-size: 26px;
  color: #fff;
  font-weight: 700;
  margin-bottom: 8px;
}

.section-title p {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* 4. 剧目卡片网格 (Drama Grid) */
.drama-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.drama-card {
  background: var(--card-bg);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, border-color 0.2s;
}

.drama-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-color);
}

.drama-card .cover {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #020617;
}

.drama-card .cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.drama-card:hover .cover img {
  transform: scale(1.04);
}

.drama-card .cover span {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  color: var(--accent-color);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.drama-card h3 {
  font-size: 16px;
  color: #fff;
  padding: 14px 16px 4px;
  font-weight: 700;
}

.drama-card .genre {
  font-size: 12px;
  color: var(--accent-color);
  padding: 0 16px 8px;
  font-weight: 600;
}

.drama-card .desc {
  font-size: 13px;
  color: var(--text-muted);
  padding: 0 16px 16px;
  line-height: 1.5;
  flex-grow: 1;
}

/* 5. 分区 / 专区 / 放映厅 / 播放器特性网格 */
.genres-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.genre-box {
  background: var(--card-bg);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  padding: 20px;
  position: relative;
  transition: border-color 0.2s;
}

.genre-box:hover {
  border-color: var(--accent-color);
}

.genre-box span {
  font-size: 11px;
  color: var(--accent-color);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: inline-block;
  margin-bottom: 8px;
}

.genre-box h4 {
  font-size: 17px;
  color: #fff;
  margin-bottom: 8px;
  font-weight: 700;
}

.genre-box p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 6. AI 找剧卡片 */
.ai-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.ai-card {
  background: var(--card-bg);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  padding: 24px 20px;
  text-align: center;
}

.ai-card h4 {
  font-size: 16px;
  color: var(--accent-color);
  margin-bottom: 10px;
}

.ai-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 7. 追更日历网格 */
.calendar-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 14px;
}

.cal-day {
  background: var(--card-bg);
  border-radius: 10px;
  border: 1px solid var(--border-color);
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cal-day strong {
  color: var(--accent-color);
  font-size: 14px;
  font-weight: 700;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 4px;
  margin-bottom: 4px;
}

.cal-day span {
  font-size: 13px;
  color: var(--text-muted);
}

/* 8. 下载版块 */
.download-section {
  max-width: 900px;
  margin: 60px auto 40px;
  padding: 40px 24px;
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.4), rgba(15, 23, 42, 0.8));
  border-radius: 16px;
  border: 1px solid var(--border-color);
  text-align: center;
}

.download-section h2 {
  font-size: 28px;
  color: #fff;
  margin-bottom: 12px;
}

.download-section p {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.download-btns {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 28px;
}

.auth-box {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  font-size: 12px;
  color: var(--text-dim);
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
}

/* 9. 页脚 */
.site-footer {
  border-top: 1px solid var(--border-color);
  padding: 30px 20px;
  text-align: center;
  font-size: 13px;
  color: var(--text-dim);
  background: rgba(11, 15, 25, 0.95);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 12px;
}

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

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

/* 10. 移动端自适应 (Mobile-First 规范) */
@media (max-width: 768px) {
  .hero-section h1 {
    font-size: 24px;
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .ai-cards {
    grid-template-columns: 1fr;
  }
  .nav-links a:not(.nav-btn) {
    display: none;
  }
  .hero-actions, .download-btns {
    flex-direction: column;
  }
  .drama-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .drama-card h3 {
    font-size: 14px;
    padding: 10px 10px 2px;
  }
  .drama-card .genre, .drama-card .desc {
    padding: 0 10px 10px;
    font-size: 12px;
  }
}

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