* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background: linear-gradient(135deg, #2d1b69 0%, #0c0c0c 100%);
  color: #fff;
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 导航栏样式 */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 15px 0;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 24px;
  font-weight: bold;
  color: #fff;
  text-decoration: none;
}

.logo span {
  color: #9d4edd;
}

.nav-links {
  display: flex;
  list-style: none;
}

.nav-links li {
  margin-left: 30px;
}

.nav-links a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: #9d4edd;
}

/* 英雄区域样式 */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("https://images.unsplash.com/photo-1635863138275-d9b33299680a?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1930&q=80")
    no-repeat center center/cover;
  z-index: -2;
}

.hero::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: -1;
}

.hero-content {
  max-width: 800px;
  z-index: 1;
  padding: 0 20px;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  background: linear-gradient(to right, #9d4edd, #5a189a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
}

/* 内容区域样式 */
section {
  padding: 100px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
  font-size: 2.5rem;
}

.section-title span {
  color: #9d4edd;
}

.content-block {
  display: flex;
  align-items: center;
  margin-bottom: 80px;
}

.content-block:nth-child(even) {
  flex-direction: row-reverse;
}

.content-text {
  flex: 1;
  padding: 0 40px;
}

.content-image {
  flex: 1;
  display: flex;
  justify-content: center;
}

.app-screenshot {
  width: 100%;
  max-width: 300px;
  height: 700px;
  background: #1a1a1a;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #9d4edd;
  font-weight: bold;
  font-size: 1.2rem;
}

/* 页脚样式 */
footer {
  background: rgba(0, 0, 0, 0.9);
  padding: 50px 0 20px;
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer-links {
  display: flex;
  list-style: none;
  margin-bottom: 30px;
}

.footer-links li {
  margin: 0 15px;
}

.footer-links a {
  color: #fff;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: #9d4edd;
}

.contact-info {
  margin-bottom: 20px;
}

.copyright {
  color: #888;
  font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .content-block {
    flex-direction: column;
  }

  .content-block:nth-child(even) {
    flex-direction: column;
  }

  .content-text {
    padding: 0;
    margin-bottom: 30px;
  }

  .app-screenshot {
    max-width: 250px;
    height: 583px;
  }
}