/* ✅ 完全版CSS: styles.css */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #0f0f0f;
  color: #ffffff;
  overflow-x: hidden;
  min-height: 100vh;
}
/* Header (固定解除) */
.header {
  position: static;
  width: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 20px 0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.profile-img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  border: 3px solid rgba(255,255,255,0.2);
}
.channel-info h1 {
  font-size: 28px;
  margin-bottom: 8px;
  background: linear-gradient(45deg, #fff, #f0f0f0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.channel-stats {
  display: flex;
  gap: 20px;
  font-size: 14px;
  opacity: 0.9;
}
.stat {
  display: flex;
  align-items: center;
  gap: 5px;
}
/* Navigation Tabs (固定表示) */
.nav-tabs {
  position: fixed;
  top: 120px;
  left: 0;
  right: 0;
  pointer-events: auto;
  background-color: rgba(15, 15, 15, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #333;
  z-index: 999;
  transition: transform 0.3s ease;
}
.tabs-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  padding: 0 20px;
  gap: 10px;
}
.tab {
  padding: 12px 24px;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.3s ease;
  position: relative;
  color: #aaa;
  text-align: center;
  min-width: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.tab:hover { color: #fff; background-color: rgba(255,255,255,0.05); border-bottom-color: rgba(102,126,234,0.5); }
.tab.active { color: #fff; border-bottom-color: #667eea; background-color: rgba(102,126,234,0.1); font-weight: 500; }
/* Spacer */
.tab-spacer { height: 60px; width: 100%; display: block; }
/* Main Content */
.main-content {
  margin-top: 20px;
  margin-bottom: 60px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 20px;
  min-height: auto;
  position: relative;
  z-index: 1;
}
.tab-content { display: none; animation: fadeIn 0.3s ease-in-out; }
.tab-content.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
/* Content Sections */
.content-section { background: linear-gradient(135deg, #1e1e1e 0%, #2d2d2d 100%); border-radius: 12px; padding: 30px; margin-bottom: 20px; box-shadow: 0 8px 32px rgba(0,0,0,0.3); border: 1px solid rgba(255,255,255,0.1); }
.section-title { font-size: 24px; margin-bottom: 20px; color: #667eea; display: flex; align-items: center; gap: 10px; }
/* Cost Section */
.cost-item { display: flex; justify-content: space-between; align-items: center; padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
.cost-item:last-child { border-bottom: none; font-weight: bold; font-size: 18px; color: #4ecdc4; }
.cost-category { font-weight: 500; }
.cost-amount { font-weight: bold; color: #f1c40f; }
/* Schedule Section */
.schedule-day { margin-bottom: 25px; padding: 20px; background: rgba(0,0,0,0.3); border-radius: 8px; border-left: 4px solid #667eea; width: 100%; overflow: hidden; }
.day-header { font-size: 18px; font-weight: bold; margin-bottom: 15px; color: #4ecdc4; }
.activity { display: flex; align-items: flex-start; gap: 15px; padding: 10px 0; flex-wrap: wrap; }
.activity-time { background: #667eea; color: white; padding: 8px 12px; border-radius: 15px; font-size: 12px; min-width: 80px; text-align: center; flex-shrink: 0; }
.activity div:last-child { flex: 1; min-width: 200px; }
/* Photo Gallery */
.photo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap: 20px; margin-top: 20px; }
.photo-item { position: relative; aspect-ratio: 16/9; border-radius: 8px; overflow: hidden; background: linear-gradient(45deg,#667eea,#764ba2); display: flex; align-items: center; justify-content: center; font-size: 48px; cursor: pointer; transition: transform 0.3s ease; }
.photo-item:hover { transform: scale(1.05); }
/* Footer (固定解除) */
.footer { position: static; width: 100%; background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%); padding: 20px 0; text-align: center; border-top: 1px solid #333; }
.footer-content { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.footer-stats { display: flex; justify-content: center; gap: 30px; margin-bottom: 10px; }
.footer-note { font-size: 12px; color: #aaa; }
/* Responsive */
@media (max-width:768px){ .header { padding:15px 0; } .header-content{ flex-direction:column; text-align:center; gap:10px; } .profile-img{ width:60px;height:60px;font-size:24px; } .channel-info h1{ font-size:20px; } .channel-stats{ justify-content:center;flex-wrap:wrap;gap:15px; } .nav-tabs{ top:140px; } .tabs-container{ padding:0;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none; } .tabs-container::-webkit-scrollbar{ display:none; } .tab{ padding:12px 20px;min-width:auto;font-size:14px;white-space:nowrap; } .main-content{ margin-top:20px;padding:0 15px;margin-bottom:60px; } .content-section{ padding:20px;margin-bottom:15px; } .section-title{ font-size:20px; } .activity{ flex-direction:column;align-items:flex-start;gap:8px;padding:12px 0; } .activity-time{ align-self:flex-start; } .cost-item{ flex-direction:column;align-items:flex-start;gap:5px;padding:12px 0; } .photo-grid{ grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:15px; } .photo-item{ font-size:36px; } .footer{ padding:15px 0; } .footer-stats{ flex-direction:column;gap:8px;font-size:12px; } .day-header{ font-size:16px;margin-bottom:12px; } .schedule-day{ padding:15px;margin-bottom:20px; } }
@media (max-width:480px){ .nav-tabs{ top:140px; } .main-content{ margin-top:20px;padding:0 10px; } .content-section{ padding:15px; } .section-title{ font-size:18px;flex-direction:column;align-items:flex-start;gap:5px; } .photo-grid{ grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px; } .activity div:last-child{ min-width:auto;word-break:break-word; } .tab{ padding:10px 15px;font-size:13px; } }