/* 通用容器 */
.obob-container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Flex 布局 */
.obob-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Header */
.obob-header {
  background: #1a1a1a;
  color: #fff;
  padding: 10px 0;
}
.obob-logo a {
  color: #fff;
  font-size: 20px;
  text-decoration: none;
  font-weight: bold;
}
.obob-nav-list {
  list-style: none;
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0;
}
.obob-nav-list a {
  color: #fff;
  text-decoration: none;
  font-size: 16px;
}
.obob-nav-list a:hover {
  color: #00aaff;
}

/* Main */
.obob-main {
  padding: 40px 0;
}

/* Footer */
.obob-footer {
  background: #f5f5f5;
  color: #333;
  padding: 20px 0;
  text-align: center;
}
.obob-footer-links a {
  color: #333;
  text-decoration: none;
  margin: 0 5px;
}
.obob-footer-links a:hover {
  color: #00aaff;
}
.obob-footer-copy {
  margin-top: 10px;
  font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 992px) {
  .obob-nav-list {
    gap: 15px;
  }
}
@media (max-width: 768px) {
  .obob-flex {
    flex-direction: column;
    align-items: flex-start;
  }
  .obob-nav-list {
    flex-direction: column;
    gap: 10px;
  }
  .obob-nav-list a {
    font-size: 18px;
  }
}
@media (max-width: 480px) {
  .obob-logo a {
    font-size: 18px;
  }
  .obob-nav-list a {
    font-size: 16px;
  }
}
/*通用介绍*/
/* 首页基础 */
.obob-home {
  width: 100%;
  display: block;
}

/* Hero Banner */
.obob-hero {
  background: #0a0a0a;
  color: #fff;
  padding: 80px 0;
  text-align: center;
}
.obob-hero-title {
  font-size: 42px;
  margin-bottom: 20px;
}
.obob-hero-subtitle {
  font-size: 20px;
  margin-bottom: 30px;
  opacity: 0.9;
}

/* 按钮 */
.obob-btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 16px;
}
.obob-btn-primary {
  background: #00aaff;
  color: #fff;
}
.obob-btn-primary:hover {
  background: #0088cc;
}

/* 通用区块 */
.obob-section {
  padding: 60px 0;
}
.obob-section-title {
  font-size: 32px;
  text-align: center;
  margin-bottom: 40px;
}

/* 卡片 */
.obob-card {
  background: #fff;
  border: 1px solid #eaeaea;
  padding: 25px;
  border-radius: 8px;
  transition: all 0.3s ease;
}
.obob-card:hover {
  border-color: #00aaff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

/* 网格布局 */
.obob-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}
.obob-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
}

/* CTA */
.obob-cta {
  background: #f5f5f5;
  text-align: center;
  padding: 70px 0;
}
.obob-cta h2 {
  font-size: 30px;
  margin-bottom: 15px;
}
.obob-cta p {
  font-size: 18px;
  margin-bottom: 25px;
}

/* 响应式 */
@media (max-width: 992px) {
  .obob-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .obob-hero-title {
    font-size: 32px;
  }
  .obob-grid-3,
  .obob-grid-2 {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 480px) {
  .obob-hero-title {
    font-size: 26px;
  }
  .obob-hero-subtitle {
    font-size: 16px;
  }
}
/* App 下载模块 */
.obob-app .obob-card {
  background: #fff;
  border: 1px solid #eaeaea;
  padding: 25px;
  border-radius: 8px;
  transition: all 0.3s ease;
}
.obob-app .obob-card:hover {
  border-color: #00aaff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.obob-app-cta {
  text-align: center;
  margin-top: 40px;
}
.obob-app-cta .obob-btn {
  font-size: 18px;
  padding: 14px 32px;
}
/* FAQ 模块 */
.obob-faq-list {
  display: flex;
  flex-direction: column;
  gap: 25px;
}
.obob-faq-item {
  background: #fff;
  border: 1px solid #eaeaea;
  padding: 20px;
  border-radius: 8px;
}
.obob-faq-item h3 {
  font-size: 20px;
  margin-bottom: 10px;
  color: #00aaff;
}
.obob-faq-item p {
  font-size: 16px;
  line-height: 1.6;
  color: #333;
}
/* 最新文章列表 */
.obob-article-card {
  background: #fff;
  border: 1px solid #eaeaea;
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
}
.obob-article-card:hover {
  border-color: #00aaff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.obob-article-img img {
  width: 100%;
  height: auto;
  display: block;
}
.obob-article-content {
  padding: 20px;
}
.obob-article-content h3 {
  font-size: 20px;
  margin-bottom: 12px;
}
.obob-article-content p {
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 15px;
}
.obob-article-content .obob-btn {
  font-size: 14px;
  padding: 8px 20px;
}

/* 响应式 */
@media (max-width: 992px) {
  .obob-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .obob-grid-3 {
    grid-template-columns: 1fr;
  }
}