/* 美图秀秀官方主色：粉色 #FF7B9C 辅助色 #FFA6B5 灰色 #333 #666 #f5f5f5 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Microsoft YaHei", sans-serif;
}
body {
  color: #333;
  background: #fff;
}
a {
  text-decoration: none;
  color: #333;
}
ul {
  list-style: none;
}
.container {
  width: 1200px;
  margin: 0 auto;
}

/* 头部导航 */
.header {
  height: 80px;
  background: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 999;
}
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}
.logo img {
  height: 45px;
}
.nav-menu {
  display: flex;
  gap: 40px;
}
.nav-menu a {
  font-size: 16px;
  font-weight: 500;
  padding: 8px 0;
}
.nav-menu a.active, .nav-menu a:hover {
  color: #FF7B9C;
  border-bottom: 2px solid #FF7B9C;
}

/* 按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 30px;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 500;
  transition: 0.3s;
  border: none;
  cursor: pointer;
}
.btn-pink {
  background: #FF7B9C;
  color: #fff;
}
.btn-pink:hover {
  background: #FF658A;
}

/* 首页banner */
.banner {
  height: 520px;
  background: linear-gradient(135deg, #FFF0F5 0%, #FFE6EF 100%);
  display: flex;
  align-items: center;
}
.banner-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.banner-text h1 {
  font-size: 48px;
  color: #333;
  margin-bottom: 20px;
}
.banner-text p {
  font-size: 18px;
  color: #666;
  margin-bottom: 30px;
  line-height: 1.6;
}
.banner-img img {
  height: 420px;
}

/* 产品介绍模块 */
.product {
  padding: 80px 0;
}
.title {
  text-align: center;
  margin-bottom: 50px;
}
.title h2 {
  font-size: 36px;
  color: #333;
  margin-bottom: 15px;
}
.title p {
  font-size: 16px;
  color: #666;
}
.product-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.product-item {
  padding: 30px;
  background: #f9f9f9;
  border-radius: 15px;
  transition: 0.3s;
}
.product-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.08);
}
.product-item h3 {
  font-size: 20px;
  color: #FF7B9C;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.product-item p {
  font-size: 14px;
  color: #666;
  line-height: 1.8;
}

/* 版本更新 */
.update {
  padding: 60px 0;
  background: #f5f5f5;
}
.update-list {
  margin-top: 30px;
}
.update-item {
  padding: 15px 0;
  border-bottom: 1px dashed #ddd;
}
.update-item h4 {
  font-size: 16px;
  color: #333;
  margin-bottom: 5px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.update-item p {
  font-size: 13px;
  color: #666;
}

/* 下载页 */
.download-banner {
  height: 480px;
  background: linear-gradient(135deg, #FFF0F5 0%, #FFE6EF 100%);
  display: flex;
  align-items: center;
  text-align: center;
}
.download-box {
  width: 100%;
}
.download-img {
  height: 300px;
  margin-bottom: 30px;
}
.download-btn-group {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
}

/* 404页面 */
.page-404 {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: #fafafa;
  text-align: center;
}
.page-404 h1 {
  font-size: 120px;
  color: #FF7B9C;
  margin-bottom: 20px;
}
.page-404 p {
  font-size: 18px;
  color: #666;
  margin-bottom: 30px;
}

/* 底部 */
.footer {
  background: #333;
  color: #fff;
  padding: 40px 0;
  text-align: center;
  margin-top: 50px;
}
.footer p {
  font-size: 14px;
  color: #ccc;
}