:root {
  --peach-pink: #ffb6b9;
  --peach-dark: #ff6f91;
  --peach-light: #ffe0e6;
  --text-dark: #333;
  --text-light: #fff;
  --bg-light: #fff;
  --bg-dark: #2d2d2d;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
  background: var(--bg-light);
  color: var(--text-dark);
  transition: background 0.3s, color 0.3s;
}

body.dark {
  background: var(--bg-dark);
  color: var(--text-light);
}

.container {
  max-width: 420px;
  margin: 0 auto;
  padding: 2.5rem 1.2rem 1.5rem 1.2rem;
  background: var(--peach-light);
  border-radius: 1.5rem;
  box-shadow: 0 4px 24px rgba(255,182,185,0.18);
  margin-top: 2.5rem;
  text-align: center;
}

body.dark .container {
  background: #3a2c2c;
  box-shadow: 0 4px 24px rgba(255,111,145,0.18);
}

.logo {
  width: 90px;
  height: 90px;
  margin-bottom: 1.2rem;
  border-radius: 50%;
  box-shadow: 0 2px 12px rgba(255,111,145,0.12);
  background: #fff;
}

h1 {
  color: var(--peach-dark);
  font-size: 2.1rem;
  margin: 0.2rem 0 0.7rem 0;
  letter-spacing: 0.1em;
}

body.dark h1 {
  color: #ffb6b9;
}

.version {
  font-size: 1.1rem;
  color: #ff6f91;
  margin-bottom: 0.7rem;
}

body.dark .version {
  color: #ffe0e6;
}

.desc {
  font-size: 1.05rem;
  color: #444;
  margin-bottom: 1.2rem;
}

body.dark .desc {
  color: #ffe0e6;
}

.download-btn {
  display: inline-block;
  background: linear-gradient(90deg, #ffb6b9 0%, #ff6f91 100%);
  color: #fff;
  font-size: 1.15rem;
  padding: 0.7rem 2.2rem;
  border: none;
  border-radius: 2rem;
  margin: 1.1rem 0 1.2rem 0;
  text-decoration: none;
  font-weight: bold;
  box-shadow: 0 2px 8px rgba(255,111,145,0.13);
  transition: background 0.2s;
}

.download-btn:hover {
  background: linear-gradient(90deg, #ff6f91 0%, #ffb6b9 100%);
}

.features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.7rem;
  margin-bottom: 1.2rem;
}

.features span {
  background: #fff;
  color: #ff6f91;
  border-radius: 1.2rem;
  padding: 0.3rem 1.1rem;
  font-size: 0.98rem;
  box-shadow: 0 1px 4px rgba(255,182,185,0.10);
}

body.dark .features span {
  background: #2d2d2d;
  color: #ffe0e6;
}

footer {
  margin-top: 0.7rem;
  color: #ff6f91;
  font-size: 0.98rem;
}

body.dark footer {
  color: #ffe0e6;
}

.theme-toggle {
  margin-top: 1.2rem;
  background: none;
  border: 1.5px solid #ffb6b9;
  color: #ff6f91;
  border-radius: 1.2rem;
  padding: 0.4rem 1.2rem;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

body.dark .theme-toggle {
  border-color: #ffe0e6;
  color: #ffe0e6;
}

@media (max-width: 600px) {
  .container {
    margin-top: 1.2rem;
    padding: 1.2rem 0.3rem 1.2rem 0.3rem;
  }
  .logo {
    width: 70px;
    height: 70px;
  }
  h1 {
    font-size: 1.5rem;
  }
  .download-btn {
    font-size: 1rem;
    padding: 0.6rem 1.2rem;
  }
}

/* 优势功能区 */
.advantages {
  background: #fff;
  border-radius: 1rem;
  padding: 1rem 0.8rem;
  margin: 1.2rem 0;
  box-shadow: 0 1px 6px rgba(255,182,185,0.08);
  text-align: left;
}
body.dark .advantages {
  background: #2d2d2d;
}
.advantages h2 {
  color: #ff6f91;
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}
.advantages ul {
  padding-left: 1.2rem;
  margin: 0;
}
.advantages li {
  margin-bottom: 0.4rem;
  font-size: 1rem;
}

/* 用户评价 */
.user-reviews {
  margin: 1.2rem 0;
  text-align: left;
}
.user-reviews h2 {
  color: #ff6f91;
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}
.review-list {
  background: #fff;
  border-radius: 1rem;
  padding: 0.8rem 0.8rem 0.2rem 0.8rem;
  box-shadow: 0 1px 6px rgba(255,182,185,0.08);
}
body.dark .review-list {
  background: #2d2d2d;
}
.review {
  margin-bottom: 0.6rem;
  font-size: 0.98rem;
  color: #ff6f91;
}

/* FAQ */
.faq {
  margin: 1.2rem 0;
  text-align: left;
}
.faq h2 {
  color: #ff6f91;
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}
.faq details {
  background: #fff;
  border-radius: 0.7rem;
  margin-bottom: 0.5rem;
  padding: 0.5rem 0.7rem;
  box-shadow: 0 1px 4px rgba(255,182,185,0.06);
  font-size: 0.98rem;
}
body.dark .faq details {
  background: #2d2d2d;
}
.faq summary {
  cursor: pointer;
  color: #ff6f91;
  font-weight: bold;
}

/* 联系方式 */
.contact {
  margin: 1.2rem 0;
  text-align: left;
}
.contact h2 {
  color: #ff6f91;
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}
.contact-info {
  background: #fff;
  border-radius: 1rem;
  padding: 0.8rem 0.8rem 0.5rem 0.8rem;
  box-shadow: 0 1px 6px rgba(255,182,185,0.08);
  text-align: center;
}
body.dark .contact-info {
  background: #2d2d2d;
}
.wechat-qr {
  width: 110px;
  height: 110px;
  margin: 0.5rem 0;
  border-radius: 0.5rem;
  background: #fff;
}

/* 隐私声明 */
.privacy {
  margin: 1.2rem 0;
  background: #fff;
  border-radius: 1rem;
  padding: 0.8rem 0.8rem;
  box-shadow: 0 1px 6px rgba(255,182,185,0.08);
  text-align: left;
  font-size: 0.98rem;
  color: #888;
}
body.dark .privacy {
  background: #2d2d2d;
  color: #ffe0e6;
}

/* 底部版权 */
footer.copyright {
  margin-top: 1.5rem;
  color: #bbb;
  font-size: 0.95rem;
  text-align: center;
  background: none;
  box-shadow: none;
}
body.dark footer.copyright {
  color: #ffe0e6;
}

@media (max-width: 600px) {
  .carousel-img {
    height: 120px;
  }
  .features-detail, .review-list, .faq details, .contact-info, .privacy {
    padding: 0.6rem 0.3rem;
  }
  .wechat-qr {
    width: 80px;
    height: 80px;
  }
}