* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: #333333;
  background-color: #2d2620;
}
a {
  color: #333333;
  text-decoration: none;
}
.dev-indicator {
  position: fixed;
  top: 10px;
  right: 10px;
  background: #ff4757;
  color: white;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: bold;
  z-index: 9999;
  box-shadow: 0 2px 8px rgba(255, 71, 87, 0.1);
  animation: pulse 5s infinite;
  pointer-events: none;
}
@keyframes pulse {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
  100% {
    opacity: 1;
  }
}
.wrap {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}
@media screen and (max-width: 768px) {
  .wrap {
    padding: 0 20px;
  }
}
.header {
  position: fixed;
  left: 0;
  top: 0;
  right: 0;
  padding: 40px 0;
  z-index: 10;
}
@media screen and (max-width: 768px) {
  .header {
    padding: 40px 0;
  }
  .header .logo {
    text-align: center;
  }
  .header .logo img {
    height: 50px;
  }
}
.footer {
  position: fixed;
  left: 0;
  bottom: 0;
  right: 0;
  text-align: center;
  padding: 40px 0;
  z-index: 10;
}
.footer .qrcode {
  margin-bottom: 20px;
}
.footer .qrcode img {
  width: 140px;
  height: 140px;
}
@media screen and (max-width: 768px) {
  .footer .qrcode img {
    width: 100px;
    height: 100px;
  }
}
.footer .qrcode p {
  line-height: 30px;
  color: #fff;
}
.footer .copyright {
  line-height: 25px;
  color: #fff;
  opacity: 0.5;
}
.footer .copyright a {
  color: #fff;
}
.adv {
  width: 100vw;
  overflow: hidden;
  position: relative;
  z-index: 0;
}
.adv:hover .swiper-button-prev,
.adv:hover .swiper-button-next {
  opacity: 1;
}
@media screen and (max-width: 768px) {
  .adv:hover .swiper-button-prev,
  .adv:hover .swiper-button-next {
    opacity: 0;
  }
}
.adv .img {
  display: block;
  width: 100vw;
  height: 100vh;
  object-fit: cover;
}
@media screen and (max-width: 768px) {
  .adv .img {
    display: none;
  }
}
.adv .img2 {
  display: none;
  width: 100vw;
  height: 100vh;
  object-fit: cover;
}
@media screen and (max-width: 768px) {
  .adv .img2 {
    display: block;
  }
}
.adv .swiper-button-prev,
.adv .swiper-button-next {
  background: rgba(0, 0, 0, 0.3);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.adv .swiper-button-prev img,
.adv .swiper-button-next img {
  display: block;
  width: 40px;
  height: 40px;
  opacity: 0.6;
}
.adv .swiper-button-next img {
  transform: rotate(180deg);
}