/* 2323bet.com - 橙色黑色主题 - 侧边栏布局 */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', sans-serif; background: #1a1a1a; color: #e0e0e0; line-height: 1.6; }

/* 侧边栏导航 */
.sidebar { position: fixed; left: 0; top: 0; width: 250px; height: 100vh; background: linear-gradient(180deg, #FF6B35 0%, #D84315 100%); padding: 30px 20px; z-index: 1000; overflow-y: auto; }
.sidebar .logo { text-align: center; margin-bottom: 40px; }
.sidebar .logo img { max-width: 180px; }
.sidebar nav { display: flex; flex-direction: column; gap: 12px; }
.sidebar nav a { color: #fff; text-decoration: none; padding: 14px 20px; border-radius: 8px; font-weight: 600; transition: 0.3s; background: rgba(0,0,0,0.2); text-align: center; }
.sidebar nav a:hover { background: rgba(0,0,0,0.4); transform: translateX(5px); }
.sidebar .cta { background: linear-gradient(135deg, #FFA500, #FF8C00); margin-top: 20px; font-size: 1.1em; }

/* 主内容区 */
.main-content { margin-left: 250px; min-height: 100vh; }

/* Hero区 */
.hero { position: relative; height: 500px; overflow: hidden; }
.hero img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(135deg, rgba(255,107,53,0.3), rgba(216,67,21,0.3)); display: flex; align-items: center; justify-content: center; flex-direction: column; text-align: center; padding: 20px; }
.hero-overlay h1 { font-size: 3.5em; color: #fff; margin-bottom: 20px; text-shadow: 3px 3px 10px rgba(0,0,0,0.8); }
.hero-overlay p { font-size: 1.6em; color: #FFA500; margin-bottom: 30px; text-shadow: 2px 2px 6px rgba(0,0,0,0.8); }
.hero-overlay .btn { display: inline-block; background: linear-gradient(135deg, #FFA500, #FF8C00); color: #fff; padding: 18px 45px; border-radius: 50px; text-decoration: none; font-weight: 700; font-size: 1.3em; box-shadow: 0 8px 20px rgba(255,165,0,0.5); transition: 0.3s; }
.hero-overlay .btn:hover { transform: scale(1.05); }

/* 吉祥物 */
.mascot { text-align: center; padding: 40px 20px; background: #2a2a2a; }
.mascot img { max-width: 280px; animation: bounce 2s infinite; }
@keyframes bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-20px); } }

/* 内容区 */
.content { padding: 60px 40px; max-width: 1400px; margin: 0 auto; }
.content h2 { color: #FF6B35; font-size: 2.5em; margin: 40px 0 25px; text-align: center; border-bottom: 3px solid #FFA500; padding-bottom: 15px; }
.content p { font-size: 1.1em; margin-bottom: 25px; text-align: justify; line-height: 1.8; }

/* 卡片网格 - 4列布局 */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 30px; margin: 40px 0; }
.card { background: linear-gradient(135deg, #2a2a2a 0%, #1f1f1f 100%); border: 2px solid #FF6B35; border-radius: 15px; padding: 25px; text-align: center; transition: 0.3s; position: relative; overflow: hidden; }
.card::before { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: linear-gradient(45deg, transparent, rgba(255,107,53,0.1), transparent); transform: rotate(45deg); transition: 0.5s; }
.card:hover::before { left: 100%; }
.card:hover { transform: translateY(-12px) scale(1.02); box-shadow: 0 15px 40px rgba(255,107,53,0.4); border-color: #FFA500; }
.card img { width: 100%; height: 200px; object-fit: cover; border-radius: 10px; margin-bottom: 15px; }
.card h3 { color: #FFA500; font-size: 1.4em; margin-bottom: 10px; }
.card p { color: #c0c0c0; font-size: 0.95em; }

/* FAQ */
.faq { margin: 60px 0; }
.faq h2 { color: #FF6B35; }
.faq-item { background: linear-gradient(135deg, #2a2a2a, #1f1f1f); margin: 20px 0; padding: 25px; border-radius: 12px; border-left: 5px solid #FFA500; transition: 0.3s; }
.faq-item:hover { border-left-width: 10px; transform: translateX(5px); }
.faq-item h3 { color: #FFA500; font-size: 1.3em; margin-bottom: 12px; }
.faq-item p { color: #d0d0d0; line-height: 1.8; }

/* 评价 */
.reviews { margin: 60px 0; }
.reviews h2 { color: #FF6B35; }
.review { background: linear-gradient(135deg, #2a2a2a, #1f1f1f); padding: 30px; margin: 25px 0; border-radius: 15px; border: 2px solid rgba(255,107,53,0.3); position: relative; }
.review::after { content: '"'; position: absolute; top: 10px; right: 20px; font-size: 5em; color: rgba(255,165,0,0.1); font-family: Georgia; }
.review h4 { color: #FFA500; font-size: 1.3em; margin-bottom: 10px; }
.review p { color: #e0e0e0; font-style: italic; line-height: 1.8; }

/* Footer */
footer { background: linear-gradient(135deg, #FF6B35, #D84315); color: #fff; text-align: center; padding: 40px 20px; margin-left: 250px; }

/* 响应式 */
@media (max-width: 1024px) {
  .sidebar { width: 200px; padding: 20px 15px; }
  .main-content, footer { margin-left: 200px; }
}
@media (max-width: 768px) {
  .sidebar { position: relative; width: 100%; height: auto; }
  .main-content, footer { margin-left: 0; }
  .hero-overlay h1 { font-size: 2.5em; }
  .hero-overlay p { font-size: 1.2em; }
  .cards { grid-template-columns: 1fr; }
  .content { padding: 40px 20px; }
}
@media (max-width: 480px) {
  .hero { height: 350px; }
  .hero-overlay h1 { font-size: 2em; }
  .hero-overlay p { font-size: 1em; }
  .hero-overlay .btn { padding: 14px 30px; font-size: 1.1em; }
}