* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

.main-container {
  width: 100%;
  min-height: 100vh;
  background: #4B77CA;
  padding: 50rem 24rem 40rem;
  overflow-x: hidden;
}

/* Logo 区域 */
.logo-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 30rem;
}

.logo-section .logo {
  width: 109rem;
  height: 109rem;
  border-radius: 24rem;
  object-fit: contain;
  margin-bottom: 16rem;
}

.gogotitle{
  width: 96rem;
  height: 25rem;
  margin-top: 10rem;
}

.logo-section .app-title {
  font-size: 36rem;
  font-weight: bold;
  color: #fff;
  letter-spacing: 4rem;
  margin-bottom: 10rem;
}

.logo-section .app-slogan {
  font-size: 15rem;
  color: rgba(255, 255, 255, 0.9);
  text-align: center;
  margin-top: 19rem;
}

/* 下载按钮区域 */
.download-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14rem;
  margin-bottom: 40rem;
}

.download-btn {
  width: 195rem;
  height: 59rem;
  background: #fff;
  border-radius: 30rem;
  display: flex;
  align-items: center;
  padding: 0 40rem;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  align-items: center;
  /* justify-content: center; */
}

.download-btn:hover {
  transform: translateY(-2rem);
  box-shadow: 0 6rem 20rem rgba(0, 0, 0, 0.15);
}

.download-btn .btn-icon {
  width: 25rem;
  height: 25rem;
  margin-right: 11rem;
  object-fit: contain;
}

.download-btn .btn-text {
  display: flex;
  flex-direction: column;
}

.download-btn .btn-sub {
  font-size: 11rem;
  color: #5C5C5C;
  margin-bottom: 2rem;
}

.download-btn .btn-main {
  font-size: 14rem;
  font-weight: 600;
  color: #333;
}

/* 特性卡片区域 */
.feature-section {
  display: flex;
  flex-direction: column;
  gap: 16rem;
}

.feature-card {
  background: #FFFFFF;
  border-radius: 12rem;
  padding: 20rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 327rem; /* 限制卡片最大宽度 */
  margin: 0 auto; /* 居中 */
}

.feature-content {
  flex: 1;
  padding-right: 16rem;
  min-width: 0; /* 允许内容收缩 */
}

.feature-title {
  font-size: 18rem;
  font-weight: bold;
  color: #fff;
  margin-bottom: 8rem;
}

.feature-title .highlight {
  color: #FFD700;
}

.feature-desc {
  max-width: 202rem;
  font-size: 12rem;
  color: #898989;
  line-height: 1.5;
  margin-top: 8rem;
}

.feature-content img {
  width: auto;
  height: auto;
  max-width: 100%;
}

.feature-icon {
  width: 56rem;
  height: 56rem;
  object-fit: contain;
}

.mask {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  display: none;
}

.line {
  position: fixed;
  top: 106px;
  right: 32px;
  display: flex;
  width: 226px;
  flex-direction: column;
  align-items: flex-end;
}

.line-img {
  width: 65px;
  height: 65px;
}

.tips {
  width: 100%;
}

.tips-item {
  display: flex;
  align-items: center;
  color: white;
  margin-top: 16px;
}

.tips-item:last-child {
  margin-top: 20px;
}

.tips-item>.icon {
  width: 24px;
  height: 24px;
}

.tips-item>.text {
  margin-left: 8px;
  font-size: 16rem;
}