/* 全局样式 */
:root {
  --glass-bg: rgba(255, 255, 255, 0.2);
  --glass-border: rgba(255, 255, 255, 0.3);
  --primary-color: #4a6fa5;
  --shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}
a{
  text-decoration: none;
}
body {
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, #e0f7fa, #80deea);
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

/* ========== 头部样式 ========== */
header {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    padding: 1rem;
    position: static;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--glass-border);
}

.header-top {
    display: flex;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}


#back-btn {
    background: none;
    border: none;
    font-size: 1.2rem;
    font-weight: 600;
    /* cursor: pointer; */
    color: var(--text-dark);
    padding: 0.5rem;
}

.header-top h1 {
    margin: 0 auto;
    font-size: 1.5rem;
}

.spacer {
    width: 46px;
}

/* 搜索框 */
.search-box {
  display: flex;
  margin: 1rem auto;
  max-width: 500px;
}

.search-box input {
  width: 70%;
  padding: 0.5rem;
  border: none;
  border-radius: 4px 0 0 4px;
  background: var(--glass-bg);
}

.search-box button {
  padding: 0.5rem 1rem;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 0 4px 4px 0;
  cursor: pointer;
}

/* 分类菜单 */
#categories-nav {
  margin-top: 1rem;
  transition: all 0.3s ease;
}

.categories {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  justify-content: center;
}

.categories li {
  margin: 0 0.5rem;
}

.categories a {
  text-decoration: none;
  color: #333;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: all 0.3s;
  display: inline-block;
}

.categories a.active {
  background: var(--primary-color);
  color: white;
}

/* 游戏卡片 */
.games-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  padding: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.game-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 0.5rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
  transition: transform 0.3s;
}

.game-card:hover {
  transform: translateY(-5px);
}

.game-card img {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: 8px;
}

.game-card h3 {
  margin: 0.5rem 0;
  font-size: 0.9rem;
  text-align: center;
  color: #333;
}

/* ========== 页脚 ========== */
footer {
  background: rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(12px);
  padding: 3rem 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.25);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.footer-description h3 {
  color: white;
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.footer-description p {
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin-top: 1.5rem;
}

.feature-list li {
  color: rgba(255, 255, 255, 0.85);
  padding: 0.3rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  align-content: start;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  padding: 0.8rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.1);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-links a:hover {
  background: rgba(255, 255, 255, 0.2);
}

.copyright {
  grid-column: 1 / -1;
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

/* 免责声明 */
.disclaimer {
  grid-column: 1 / -1;
  background: rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(12px);
  padding: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.25);
  margin-top: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.disclaimer-content {
  max-width: 1200px;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9rem;
  line-height: 1.6;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.disclaimer-content h4 {
  color: white;
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
  text-align: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.disclaimer-content p {
  margin: 0;
  text-align: justify;
}

.disclaimer-content ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.disclaimer-content li {
  margin: 0;
  padding: 0.8rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  position: relative;
  padding-left: 2rem;
}

.disclaimer-content li::before {
  content: "•";
  position: absolute;
  left: 1rem;
  color: var(--primary-color);
  font-size: 1.2rem;
}

.disclaimer-content a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transition: var(--transition);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
}

.disclaimer-content a:hover {
  color: white;
  background: rgba(255, 255, 255, 0.2);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .disclaimer {
    padding: 1.5rem 1rem;
    margin: 1.5rem 1rem;
    border-radius: 8px;
  }

  .disclaimer-content {
    font-size: 0.85rem;
    gap: 1rem;
  }

  .disclaimer-content h4 {
    font-size: 1.1rem;
  }

  .disclaimer-content ul {
    grid-template-columns: 1fr;
  }

  .disclaimer-content li {
    padding: 0.6rem 0.8rem;
    padding-left: 1.8rem;
  }
}

@media (max-width: 480px) {
  .disclaimer {
    padding: 1rem;
    margin: 1rem 0.5rem;
  }

  .disclaimer-content {
    font-size: 0.8rem;
  }

  .disclaimer-content li {
    padding: 0.5rem 0.7rem;
    padding-left: 1.5rem;
  }
}
#mobile-menu-btn{
  display: none;
}

/* 响应式设计 */
@media (max-width: 600px) {
  #mobile-menu-btn {
    display: block;
  }

  #categories-nav {
    display: none;
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 0 0 8px 8px;
    padding: 0.5rem 0;
    box-shadow: var(--shadow);
    max-height: 0;
    overflow: hidden;
  }

  #categories-nav.active {
    display: block;
    max-height: 500px;
  }

  .categories {
    flex-direction: column;
    align-items: center;
    width: 100%;
    margin: 0;
  }

  .categories li {
    width: 90%;
    margin: 0.3rem 0;
    text-align: center;
  }

  .categories a {
    display: block;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    width: 100%;
    box-sizing: border-box;
  }

  .search-box {
    flex-direction: column;
  }

  .search-box input,
  .search-box button {
    width: 100%;
    border-radius: 4px;
  }

  .search-box button {
    margin-top: 0.5rem;
  }

  .games-list {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }

  .footer-links {
    flex-direction: column;
    gap: 0.5rem;
  }
}