/* General Styling */
body, html {
  margin: 0;
  padding: 0;
  font-family: 'Arial', sans-serif;
  background-color: #f2f2f7; /* 淡色背景 */
  color: #333;
}

header {
  background-color: #ffdbdb; /* 淡粉色 */
  padding: 20px;
  color: white;
}

header nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header nav ul {
  list-style: none;
  padding: 0;
}

header nav ul li {
  display: inline;
  margin-right: 20px;
}

header nav ul li a {
  color: white;
  text-decoration: none;
  font-size: 16px;
}

.hero {
  background: linear-gradient(to right, #ffccff, #c6e2ff); /* 淡粉色与淡蓝色渐变 */
  color: #333;
  padding: 150px 20px;
  text-align: center;
  position: relative;
}

.hero .container {
  max-width: 1200px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 2.8em; /* 更大的字体以突出标题 */
  margin-bottom: 30px;
  color: #333;
  font-weight: bold;
}

.hero .tits {
  font-size: 2.5em;
  margin-bottom: 30px;
}

.hero .btns .btn-download {
  background-color: #ff99cc; /* 淡粉色按钮 */
  color: white;
  padding: 20px 40px;
  text-decoration: none;
  border-radius: 8px;
  font-size: 1.8em;
  transition: background-color 0.3s;
}

.hero .btns .btn-download:hover {
  background-color: #ff66b3;
}

.hero .desc {
  font-size: 1.2em;
  margin-top: 30px;
}

.hero-image {
  text-align: center; /* 居中 */
  margin-top: 30px;
}

.hero-image img {
  max-width: 80%; /* 控制图片宽度 */
  height: auto;
  display: inline-block; /* 使图片成为块级元素，支持居中 */
  margin: 0 auto; /* 居中图片 */
}

section {
  padding: 40px 20px;
  text-align: center;
}

.feature-item {
  margin: 20px 0;
  background-color: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.feature-item h3 {
  font-size: 1.5em;
  margin-bottom: 15px;
  color: #333;
}

#reviews .review {
  background-color: #ffffff;
  padding: 15px;
  margin: 10px 0;
  border-radius: 5px;
  box-shadow: 0 0 5px rgba(0,0,0,0.1);
}

#reviews span {
  display: block;
  text-align: right;
  font-size: 0.9em;
  color: #777;
}

footer {
  background-color: #ffdbdb; /* 淡粉色 */
  color: white;
  text-align: center;
  padding: 20px;
}

footer p {
  font-size: 1em;
}

a {
  text-decoration: none;
}

#features h2, #download h2, #reviews h2 {
  font-size: 2em;
  margin-bottom: 20px;
  color: #333;
}

#features img {
  max-width: 80%;
  margin-top: 20px;
  border-radius: 10px;
  box-shadow: 0 0 5px rgba(0,0,0,0.1);
}

#download .btn-download {
  background-color: #ff99cc;
  padding: 18px 36px;
  border-radius: 8px;
  font-size: 1.6em;
  color: white;
  transition: background-color 0.3s;
}

#download .btn-download:hover {
  background-color: #ff66b3;
}

#reviews .review p {
  font-size: 1.1em;
  color: #555;
}

#contact ul {
  list-style: none;
  padding: 0;
}

#contact ul li {
  font-size: 1.1em;
  margin: 10px 0;
}

#contact a {
  font-size: 1.2em;
  color: #ff99cc;
}

#contact a:hover {
  text-decoration: underline;
}