* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Microsoft Yahei", Arial, sans-serif !important;
}
.app-content {
  background-color: #f5f7fa !important;
  overflow-x: hidden; /* 防止横向溢出 */
}
.app-content body {
  color: #666;
  background-color: #f5f7fa;
}
.app-content a {
  color: #006BF5 !important;
  text-decoration: none;
  transition: all 0.3s ease;
}
.app-content a:hover {
  color: #ffd700 !important;
}
/* 通用文字样式 */
.app-content .title-h1 { font-size: 28px; color: #333; font-weight: bold; margin-bottom: 15px; text-align: center; }
.app-content .title-h2 { font-size: 24px; color: #333; font-weight: bold; margin-bottom: 20px; }
.app-content .title-h3 { font-size: 18px; color: #333; font-weight: bold; margin-bottom: 10px; }
.app-content .subtitle { font-size: 15px; color: #666; max-width: 800px; margin: 0 auto 30px; text-align: center; }
.app-content .text-sm { font-size: 14px; color: #666; }
.app-content .text-white { font-size: 20px; color: #e6f0ff; }
.app-content .text-faq { font-size: 16px; color: #333; font-weight: 600; }
.app-content .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
/* ========== 重构首屏 CSS（精准贴底 & 全屏居中） ========== */
.app-content .banner-box {
  position: relative !important;
  width: 100% !important;
  height: 520px !important; /* 精确锁定PC首屏高度 */
  background: url(/static/image/videoeet.png) center center / cover no-repeat !important;
  color: #fff !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}
/* 黑色全铺满透明遮罩 */
.app-content .banner-box::after {
  content: "" !important;
  position: absolute !important;
  inset: 0 !important;
  background: rgba(0, 20, 50, 0.72) !important;
  z-index: 1 !important;
}
.app-content .banner-box .container {
  position: relative !important;
  z-index: 2 !important;
  width: 100% !important;
  max-width: 1200px !important;
  height: 100% !important;
  margin: 0 auto !important;
  padding: 0 20px !important;
}
.app-content .banner-wrap {
  width: 100% !important;
  height: 100% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 40px !important;
}
/* 左侧图片区域：靠底关键代码 */
.app-content .banner-left {
  flex: 0 0 380px !important;
  height: 100% !important;
  display: flex !important;
  align-items: flex-end !important; /* 图标/图片强制底部对齐 */
  justify-content: center !important;
}
.app-content .banner-img {
  width: 100% !important;
  max-height: 480px !important; /* 调整图片最大高度，留出顶部间距 */
  object-fit: contain !important;
  display: block !important;
  margin: 0 !important;
}
/* 右侧内容区域：垂直居中 */
.app-content .banner-right {
  flex: 1 !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: center !important;
  min-width: 480px !important;
}
.app-content .banner-right h1 {
  font-size: 36px !important;
  color: #fff !important;
  font-weight: bold !important;
  margin-bottom: 15px !important;
  text-align: left !important;
  text-shadow: 0 0 8px rgba(0,0,0,0.4) !important;
}
.app-content .banner-right .text-white {
  font-size: 18px !important;
  margin-bottom: 30px !important;
  text-align: left !important;
  color: #e6f0ff !important;
  text-shadow: 0 0 6px rgba(0,0,0,0.35) !important;
}
.app-content .banner-qrcode-group {
  display: flex !important;
  gap: 30px !important;
}
.app-content .banner-qrcode-card {
  text-align: center !important;
}
.app-content .banner-qrcode-card img {
  width: 120px !important;
  height: 120px !important;
  border: 3px solid #fff !important;
  border-radius: 10px !important;
  margin-bottom: 8px !important;
}
.app-content .banner-qrcode-card p {
  font-size: 14px !important;
  margin: 0 !important;
}
/* 移动端适配（维持不动） */
@media (max-width: 768px) {
  .app-content .banner-box {
    height: auto !important;
    min-height: auto !important;
    padding: 40px 0 !important;
  }
  .app-content .banner-box .container {
    height: auto !important;
  }
  .app-content .banner-wrap {
    flex-direction: column !important;
    align-items: center !important;
    gap: 30px !important;
    height: auto !important;
  }
  .app-content .banner-right {
    order: 1 !important;
    width: 100% !important;
    min-width: unset !important;
    text-align: center !important;
  }
  .app-content .banner-left {
    order: 2 !important;
    flex: unset !important;
    width: 280px !important;
    height: auto !important;
    align-self: center !important;
  }
  .app-content .banner-img {
    max-width: 280px !important;
    width: 100% !important;
    height: auto !important;
    max-height: none !important;
  }
  .app-content .banner-right h1,
  .app-content .banner-right .text-white {
    text-align: center !important;
  }
  .app-content .banner-qrcode-group {
    justify-content: center !important;
  }
}
/* 核心卖点板块 */
.app-content .features-section { padding: 80px 0; }
.app-content .features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; max-width: 1000px; margin: 0 auto; }
.app-content .feature-card {
  background-color: #f8fbff;
  padding: 30px 20px;
  border-radius: 12px;
  text-align: center;
  border: 1px solid #e8f1ff;
  transition: all 0.3s ease;
}
.app-content .feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 107, 245, 0.15);
  border-color: #006BF5;
}
.app-content .feature-icon {
  font-family: "FontAwesome" !important;
  font-size: 40px;
  background: linear-gradient(135deg, #006BF5 0%, #0058d0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 15px;
  display: inline-block;
}
/* 功能板块 */
.app-content .function-section { padding: 80px 0; background-color: #fff; }
.app-content .function-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 40px; align-items: center; margin-bottom: 40px; }
.app-content .function-img { width: 100%; border-radius: 12px; box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1); }
.app-content .function-text li { font-size: 15px; padding-left: 28px; margin-bottom: 15px; position: relative; list-style: none; color: #333; }
.app-content .function-text li::before { content: "✓"; position: absolute; left: 0; color: #006BF5; font-weight: 700; font-size: 18px; }
/* APP下载板块 */
.app-content .download-section {
  padding: 80px 0;
  background: url(/static/image/bgdl.png) center center / cover no-repeat;
  color: #fff;
  text-align: center;
  position: relative;
  z-index: 1;
}
.app-content .download-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 20, 50, 0.75);
  z-index: -1;
}
.app-content .download-section .title-h1 { color: #fff; }
.app-content .download-section .subtitle { color: #e6f0ff; }
.app-content .qrcode-group { display: flex; justify-content: center; gap: 60px; flex-wrap: wrap; margin-bottom: 40px; }
.app-content .qrcode-card img { width: 180px; height: 180px; border: 4px solid #fff; border-radius: 12px; margin-bottom: 15px; }
.app-content .download-btn { padding: 16px 50px; background-color: #165DFF; color: #fff !important; font-size: 18px; font-weight: 600; border-radius: 50px; display: inline-block; transition:0.3s; }
.app-content .download-btn:hover { background:#ffd700; color:#006BF5 !important; }
.app-content .download-tips { font-size: 14px; color: #e6f0ff; opacity: 0.8; margin-top: 20px; }
/* FAQ板块 */
.app-content .faq-section { padding: 80px 0; }
.app-content .faq-item { background-color: #fff; margin-bottom: 15px; border-radius: 8px; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08); }
.app-content .faq-question { padding: 20px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.app-content .faq-question::after { content: "+"; font-size: 20px; color: #006BF5; }
.app-content .faq-item.active .faq-question::after { content: "-"; }
.app-content .faq-answer { font-size: 15px; color: #666; padding: 0 20px 20px; display: none; }