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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f8f9fa;
    color: #333;
    line-height: 1.6;
}

    header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    max-width: 1800px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    width: 220px;  
    height: auto;
    
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 3.2rem;
    align-items: center;
    margin-left: 300px;
}

.nav-links a {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: #1a73e8;
}

.whatsapp-btn {
    background: green;
    color: white;
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}
.whatsapp-icon {
font-size: 20px;
}

.whatsapp-btn:hover {
    background: green;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(66, 244, 78, 0.3);
}

.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 20px;
    right: 95%;
    background-color: #25d366;
    color: white;
    border-radius: 50%;
    text-align: center;
    font-size: 30px;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    animation: pulse 2s infinite;
    transition: transform 0.9s ease;
}

.whatsapp-float:hover {
    transform: scale(1.2);
    background-color: #1ebe5d;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 10px rgb(246, 246, 246);
    }

}
.swiper {
    top: 100px;
    width: 100%;
    height: 80vh; /* 全屏显示 */
    }

    .swiper-slide {
      display: flex;
      justify-content: center;
      align-items: center;
      font-size: 2rem;
      color: #fff;
    }

/* Slide 图片 */
.swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain; /* 图片保持比例填充裁切 */
  display: block;
}

.text {
    text-align: center;
    margin: 110px 0;
    font-size: 20px;
}
    
.footer {
    padding: 60px 40px;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 110px;
    line-height: 1.8em;
    margin-right: 100px;        
    padding: 0 10px;   
    width: 100%;
}

.footer-column {
  min-width: 20px;

}

.footer-logo {
  width: 200px;
  margin-bottom: 20px;

}

.footer-text {
  font-size: 16spx;
  line-height: 1.7;
  margin-bottom: 20px;
}

.social-icons i {
  font-size: 20px;
  margin-right: 15px;
  color: #357ae8;
  transition: color 0.3s;
}

.social-icons i:nth-child(2) {
  color: #e4405f;
}
.social-icons i:nth-child(3) {
  color: #1da1f2;
}
.social-icons i:nth-child(4) {
  color: #21759b;
}

.social-icons i:hover {
  opacity: 0.7;
}

.footer-column h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 15px;
}

.footer-column p {
  margin: 8px 0;
  font-size: 15px;
  line-height: 1.5;
}

.Iicon {
  color: #4285f4;
  margin-right: 10px;
}

.footer-links {
  display: grid;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 5px;
}

.footer-links a {
  text-decoration: none;
  color: inherit; 
  transition: color 0.1s ease;
}


.footer-links li {
  margin-bottom: 10px;
  font-size: 15px;
  cursor: pointer;
  transition: color 0.3s;
}

.footer-links li:hover {
  color: #1a73e8;
}

.footer-hours {
  text-align: center;
  margin-top: 40px;
}

.footer-hours h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  position: relative;
}

.footer-hours h3::after {
  content: '';
  display: block;
  height: 2px;
  width: 50px;
  background-color: #1a73e8;
  margin: 8px auto 0;
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .details-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .details-title {
        font-size: 1.5rem;
        min-width: auto;
    }
    
    .register-btn {
        width: 100%;
    }
    
    .details-meta {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .countdown-timer {
        gap: 0.5rem;
    }
    
    .time-unit {
        min-width: 60px;
        padding: 0.75rem;
    }
    
    .time-number {
        font-size: 1.2rem;
    }
}