* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Helvetica,
    Arial, sans-serif;
}
body {
  background-color: #f2f2f7;
  color: #1c1c1e;
  line-height: 1.5;
  padding-bottom: 30px;
}
.container {
  max-width: 500px;
  margin: 0 auto;
  padding: 20px;
}
.app-header {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}
.app-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  margin-right: 15px;
  position: relative;
}
.app-icon img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
}
.app-icon:after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 20px;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.1);
}
.app-info h1 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 5px;
}
.app-info p {
  font-size: 15px;
  color: #8e8e93;
  margin-bottom: 8px;
}
.rating {
  display: flex;
  align-items: center;
  margin-bottom: 5px;
}
.stars {
  color: #ff9500;
  font-size: 14px;
  margin-right: 5px;
}
.rating-count {
  font-size: 14px;
  color: #8e8e93;
}
.btn-box {
  display: block;
  background-color: #007aff;
  color: #fff;
  text-align: center;
  padding: 14px 0;
  border-radius: 12px;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  margin: 20px 0;
  transition: background-color 0.2s;
  box-shadow: 0 2px 8px rgba(0, 122, 255, 0.3);
}
.btn-box:active {
  background-color: #0062cc;
  transform: translateY(1px);
}
.app-meta {
  display: flex;
  justify-content: space-between;
  margin: 20px 0;
}
.meta-item {
  text-align: center;
  flex: 1;
  padding: 0 10px;
  border-right: 1px solid #e5e5ea;
}
.meta-item:last-child {
  border-right: none;
}
.meta-value {
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 4px;
}
.meta-label {
  font-size: 12px;
  color: #8e8e93;
}
.badge {
  display: inline-block;
  background-color: #e5e5ea;
  color: #636366;
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 10px;
  margin-right: 6px;
  margin-bottom: 6px;
}
.section-title {
  font-size: 20px;
  font-weight: 600;
  margin: 25px 0 15px;
  display: flex;
  align-items: center;
}
.section-title:after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: #e5e5ea;
  margin-left: 10px;
}
.card {
  background-color: #fff;
  border-radius: 12px;
  padding: 15px;
  margin-bottom: 15px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}
.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.feature-item {
  background-color: #fff;
  border-radius: 12px;
  padding: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}
.feature-icon,
.feature-item {
  display: flex;
  align-items: center;
}
.feature-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background-color: #007aff;
  color: #fff;
  justify-content: center;
  margin-right: 10px;
  font-size: 18px;
}
.feature-text {
  font-size: 14px;
  font-weight: 500;
}
.comment {
  border-bottom: 1px solid #e5e5ea;
  padding-bottom: 15px;
  margin-bottom: 15px;
}
.comment:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}
.comment-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 5px;
}
.comment-author {
  font-weight: 600;
  font-size: 15px;
}
.comment-date {
  color: #8e8e93;
  font-size: 13px;
}
.comment-stars {
  color: #ff9500;
  font-size: 13px;
  margin-bottom: 5px;
}
.comment-text {
  font-size: 14px;
  line-height: 1.4;
}
.rating-breakdown {
  display: flex;
  align-items: center;
  margin-bottom: 8px;
}
.rating-label {
  width: 15px;
  font-size: 12px;
  margin-right: 8px;
}
.rating-bar-bg {
  flex: 1;
  height: 6px;
  background-color: #e5e5ea;
  border-radius: 3px;
  overflow: hidden;
}
.rating-bar {
  height: 100%;
  background-color: #ff9500;
  border-radius: 3px;
}
.rating-percent {
  width: 30px;
  font-size: 12px;
  text-align: right;
  color: #8e8e93;
  margin-left: 8px;
}
.app-description {
  font-size: 14px;
  line-height: 1.5;
  color: #3a3a3c;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.read-more {
  color: #007aff;
  font-size: 14px;
  font-weight: 500;
  display: inline-block;
  margin-top: 5px;
  text-decoration: none;
}