/* ===== CSS Variables & Base Styles ===== */
:root {
  --primary: #1e5eb8;
  --primary-dark: #15428a;
  --primary-light: #e8f0fa;
  --accent: #ff6b35;
  --accent-hover: #e55a2b;
  --text-dark: #1a1a2e;
  --text-medium: #4a4a5a;
  --text-light: #888899;
  --bg-white: #ffffff;
  --bg-gray: #f5f6f8;
  --bg-dark: #0f1524;
  --border: #e2e4ea;
  --shadow: 0 4px 20px rgba(30, 94, 184, 0.12);
  --shadow-lg: 0 12px 40px rgba(30, 94, 184, 0.18);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg-gray);
  color: var(--text-dark);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Banner Section ===== */
.banner {
  position: relative;
  width: 100%;
  height: 400px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.banner-bg {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.banner-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
}

.banner-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 24px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.banner-badge::before {
  content: "";
  width: 8px;
  height: 8px;
  background: #4ade80;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.banner h1 {
  font-size: 56px;
  font-weight: 700;
  letter-spacing: 4px;
  margin-bottom: 16px;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.banner p {
  font-size: 20px;
  opacity: 0.9;
  max-width: 600px;
}

/* ===== Rules Section ===== */
.rules-section {
  background: var(--bg-white);
  padding: 60px 0;
  margin-top: -40px;
  position: relative;
  z-index: 3;
  border-radius: var(--radius) var(--radius) 0 0;
}

.rules-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 48px;
  border: 1px solid var(--border);
}

.section-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 2px solid var(--primary-light);
}

.section-header .icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
}

.section-header h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-dark);
}

.section-header span {
  font-size: 14px;
  color: var(--text-light);
  margin-top: 4px;
}

.rules-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.rule-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--bg-gray);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.rule-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.rule-item .number {
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: white;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
}

.rule-item h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-dark);
}

.rule-item p {
  font-size: 14px;
  color: var(--text-medium);
}

/* ===== Players Section ===== */
.players-section {
  padding: 60px 0;
  background: var(--bg-gray);
}

.players-section .section-header {
  border-bottom-color: transparent;
  margin-bottom: 40px;
}

.players-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

.player-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;
  position: relative;
}

.player-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}

.player-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.player-card:hover::before {
  opacity: 1;
}

.player-card.rank-1 .player-rank { background: linear-gradient(135deg, #ffd700, #ffb800); }
.player-card.rank-2 .player-rank { background: linear-gradient(135deg, #c0c0c0, #a8a8a8); }
.player-card.rank-3 .player-rank { background: linear-gradient(135deg, #cd7f32, #b8722d); }

.player-image {
  position: relative;
  aspect-ratio: 3/4;
  background: var(--bg-white);
  overflow: hidden;
}

.player-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

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

.player-rank {
  position: absolute;
  top: 16px;
  left: 16px;
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 16px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.player-votes-badge {
  position: absolute;
  bottom: 16px;
  right: 16px;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(10px);
  color: white;
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.player-info {
  padding: 24px;
}

.player-info h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-dark);
}

.player-info .unit {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 16px;
}

.vote-btn {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.vote-btn:hover {
  transform: scale(1.02);
  box-shadow: 0 6px 20px rgba(30, 94, 184, 0.4);
}

.vote-btn:active {
  transform: scale(0.98);
}

.vote-btn.voted {
  background: var(--accent);
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-dark);
  color: white;
  padding: 48px 0;
  text-align: center;
}

.footer p {
  opacity: 0.7;
  font-size: 14px;
}

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 40px;
  max-width: 480px;
  width: 90%;
  text-align: center;
  transform: scale(0.9) translateY(20px);
  transition: var(--transition);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--accent), #ff8f5a);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 40px;
  color: white;
}

.modal h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
}

.modal p {
  color: var(--text-medium);
  margin-bottom: 32px;
}

.modal-btn {
  padding: 14px 48px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.modal-btn:hover {
  background: var(--primary-dark);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .banner {
    height: 300px;
  }
  
  .banner h1 {
    font-size: 36px;
    letter-spacing: 2px;
  }
  
  .banner p {
    font-size: 16px;
  }
  
  .rules-card {
    padding: 24px;
  }
  
  .players-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
  }
  
  .player-image {
    aspect-ratio: 3/4;
  }
}