body {
  font-family: "Inter", system-ui, sans-serif;
  margin: 0;
  padding: 0;
  color: #1d2939;
  background-color: #f9fafb;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}
.icpItem {
  display: none;
}
.h5Item {
  display: none;
}
/* 导航栏样式 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: white;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  z-index: 100;
  transition: background-color 0.3s ease;
}
.nav-game {
  display: none;
}
.navbar.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: bold;
  color: #165dff;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  color: #1d2939;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: #165dff;
}

.download-btn {
  background-color: #ff7d00;
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 600;
  transition: background-color 0.3s ease;
}

.download-btn:hover {
  background-color: #e66e00;
}

.menu-toggle {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/* 英雄区域样式 */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  background-image: url("../img/bg1.webp");
  background-size: cover;
  background-position: center;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to right,
    rgb(163 169 183 / 80%),
    rgb(1 2 2 / 60%)
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  color: white;
  max-width: 600px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.25);
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

.primary-btn {
  background-color: #ff7d00;
  color: white;
  padding: 0.75rem 2rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.primary-btn:hover {
  background-color: #e66e00;
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.secondary-btn {
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
  padding: 0.75rem 2rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.secondary-btn:hover {
  background-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

/* 备案信息 */
.icp-info {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: white;
  padding: 1rem;
  border-radius: 0.5rem;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
  border-left: 4px solid #165dff;
  z-index: 99;
}

.icp-info p {
  margin: 0;
  font-size: 0.875rem;
  color: #4b5563;
}

/* 玩法介绍 */
.section {
  padding: 8rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.section-title p {
  color: #6b7280;
  max-width: 600px;
  margin: 0 auto;
}

.gameplay-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.gameplay-card {
  background-color: white;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.gameplay-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.gameplay-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-content {
  padding: 1.5rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.card-description {
  color: #6b7280;
}

/* 游戏截图 */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 0.75rem;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.gallery-item:hover::before {
  opacity: 1;
}

.gallery-item span {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  color: white;
  font-weight: 600;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.gallery-item:hover span {
  opacity: 1;
}

/* 游戏介绍 */
.about-section {
  background-color: #f3f4f6;
}

.about-content {
  display: flex;
  gap: 4rem;
  align-items: center;
}

.about-image {
  flex: 1;
}

.about-image img {
  width: 100%;
  border-radius: 0.75rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.about-text {
  flex: 1;
}

.about-title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
}

.about-features {
  margin-top: 2rem;
}

.feature {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.feature-icon {
  background-color: #165dff;
  color: white;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 道具购买流程 */
.purchase-steps {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 4rem;
}

.step {
  flex: 1;
  text-align: center;
  position: relative;
}

.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 2rem;
  left: calc(50% + 1rem);
  width: calc(100% - 2rem);
  height: 2px;
  background-color: #e5e7eb;
  z-index: -1;
}

.step-number {
  background-color: #165dff;
  color: white;
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 1.5rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.step-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.step-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.step-description {
  color: #6b7280;
}

/* 下载区域 */
.download-section {
  background: linear-gradient(135deg, #165dff 0%, #36bffa 100%);
  color: white;
  text-align: center;
}

.download-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.download-subtitle {
  margin-bottom: 3rem;
  opacity: 0.9;
}

.download-buttons {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.download-btn {
  background-color: white;
  color: #165dff;
  padding: 1rem 2rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 25px -5px rgba(0, 0, 0, 0.1);
}

/* 页脚 */
footer {
  background-color: #1d2939;
  color: white;
  padding: 6rem 0;
}
footer a {
  text-decoration: none;
  color: #9ca3af;
}
footer a:hover {
  color: #999;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 1.5rem;
}

.footer-description {
  color: #9ca3af;
  margin-bottom: 1.5rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  background-color: #374151;
  color: white;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s ease;
}

.social-link:hover {
  background-color: #165dff;
}

.footer-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-link {
  color: #9ca3af;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-link:hover {
  color: white;
}

.copyright {
  text-align: center;
  margin-top: 4rem;
  color: #9ca3af;
  border-top: 1px solid #374151;
  padding-top: 2rem;
}

/* 响应式样式 */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    width: 100%;
    background-color: white;
    flex-direction: column;
    padding: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  }

  .nav-links.active {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .gameplay-grid,
  .gallery-grid,
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-content {
    flex-direction: column;
  }

  .purchase-steps {
    flex-direction: column;
  }

  .step:not(:last-child)::after {
    top: calc(50% - 1px);
    left: -2rem;
    width: 2rem;
    height: 2px;
  }

  .download-buttons {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 576px) {
  .gameplay-grid,
  .gallery-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* 动画效果 */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.appear {
  opacity: 1;
  transform: translateY(0);
}