body {
  margin: 0;
  font-family: 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
  background: #101114;
  color: #fff;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 顶部导航 */
.navbar {
  background: rgba(16,17,20,0.98);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo .brand {
  font-size: 1.4rem;
  font-weight: bold;
  letter-spacing: 2px;
}
.nav-menu {
  display: flex;
  gap: 32px;
}
.nav-menu a {
  color: #fff;
  text-decoration: none;
  font-size: 1rem;
  opacity: 0.85;
  transition: opacity 0.2s;
}
.nav-menu a:hover {
  opacity: 1;
}
.lang-switch {
  font-size: 1rem;
  color: #aaa;
}
.lang-switch a {
  color: #aaa;
  text-decoration: none;
  margin: 0 2px;
}
.lang-switch .active {
  color: #fff;
  font-weight: bold;
}

/* Banner区 */
.banner {
  background: linear-gradient(120deg, #181a1f 60%, #23242a 100%);
  padding: 64px 0 32px 0;
}
.banner-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.banner-left {
  flex: 1 1 340px;
  min-width: 320px;
}
.banner-left h1 {
  font-size: 2.6rem;
  font-weight: bold;
  margin-bottom: 16px;
}
.slogan {
  font-size: 1.2rem;
  margin-bottom: 32px;
  color: #b3b3b3;
}
.app-download {
  display: flex;
  align-items: center;
  gap: 32px;
}
.qr-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.qr-block img {
  width: 120px;
  height: 120px;
  border-radius: 12px;
  background: #fff;
}
.qr-block span {
  font-size: 0.95rem;
  color: #ccc;
}
.store-btns {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.btn {
  display: inline-block;
  padding: 10px 24px;
  border-radius: 8px;
  background: #23242a;
  color: #fff;
  font-size: 1rem;
  text-decoration: none;
  border: 1px solid #444;
  transition: background 0.2s, color 0.2s;
  text-align: center;
}
.btn:hover {
  background: #4f8cff;
  color: #fff;
  border-color: #4f8cff;
}
.banner-right {
  flex: 1 1 400px;
  min-width: 320px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  position: relative;
}
.banner-img {
  width: 340px;
  height: 340px;
  object-fit: cover;
  border-radius: 24px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
}
.banner-card {
  position: absolute;
  right: 24px;
  bottom: 24px;
  background: rgba(32,34,40,0.92);
  border-radius: 18px;
  padding: 24px 32px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
  min-width: 220px;
}
.banner-card h2 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}
.banner-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.banner-card li {
  font-size: 1rem;
  color: #b3b3b3;
  margin-bottom: 6px;
}

/* 主要功能区 */
.features {
  background: #181a1f;
  padding: 56px 0 32px 0;
}
.features h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 36px;
}
.feature-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: center;
}
.feature-card {
  background: #23242a;
  border-radius: 18px;
  padding: 32px 28px;
  width: 240px;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  transition: transform 0.2s;
}
.feature-card:hover {
  transform: translateY(-6px) scale(1.03);
}
.feature-card h3 {
  margin: 18px 0 10px 0;
  font-size: 1.15rem;
}
.feature-card p {
  color: #b3b3b3;
  font-size: 0.98rem;
}

/* 门店实拍轮播 */
.store-gallery {
  background: #101114;
  padding: 56px 0 32px 0;
}
.store-gallery h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 32px;
}
.gallery-carousel {
  display: flex;
  overflow-x: auto;
  gap: 24px;
  scroll-behavior: smooth;
  padding-bottom: 8px;
}
.gallery-carousel img {
  width: 320px;
  height: 200px;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.12);
  flex-shrink: 0;
}
.gallery-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}
.gallery-dots span {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #444;
  cursor: pointer;
  transition: background 0.2s;
}
.gallery-dots .active {
  background: #4f8cff;
}

/* 服务与支持 */
.support {
  background: #181a1f;
  padding: 56px 0 32px 0;
}
.support-flex {
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
  justify-content: space-between;
}
.support-info {
  flex: 2 1 340px;
}
.support-info h2 {
  font-size: 1.5rem;
  margin-bottom: 18px;
}
.support-info ul {
  padding-left: 18px;
  color: #b3b3b3;
  font-size: 1rem;
}
.faq-block {
  flex: 1 1 260px;
  background: #23242a;
  border-radius: 16px;
  padding: 24px 20px;
  margin-top: 18px;
}
.faq-block h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}
.faq-block ul {
  padding-left: 18px;
  color: #b3b3b3;
  font-size: 0.98rem;
}
.faq-btn {
  margin-top: 16px;
  display: inline-block;
  background: #4f8cff;
  color: #fff;
  border: none;
  padding: 8px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 1rem;
}
.faq-btn:hover {
  background: #3576e0;
}

/* 关于我们 */
.about {
  background: #101114;
  padding: 56px 0 32px 0;
}
.about-flex {
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
  align-items: center;
}
.about-img img {
  width: 320px;
  height: 220px;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.12);
}
.about-info {
  flex: 1 1 340px;
}
.about-info h2 {
  font-size: 1.5rem;
  margin-bottom: 18px;
}
.about-info p {
  color: #b3b3b3;
  font-size: 1rem;
  margin-bottom: 12px;
}
.about-info ul {
  padding-left: 18px;
  color: #b3b3b3;
  font-size: 1rem;
}

/* 页脚 */
.footer {
  background: #181a1f;
  padding: 24px 0;
  border-top: 1px solid #23242a;
}
.footer-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.logo-mini {
  display: inline-block;
  margin-right: 10px;
}
.footer-info {
  font-size: 0.98rem;
  color: #b3b3b3;
}
.footer-right {
  font-size: 1rem;
}
.footer .icp {
  color: #b3b3b3;
  text-decoration: underline;
  margin-left: 18px;
}
.footer .icp:hover {
  color: #4f8cff;
}

/* 响应式 */
@media (max-width: 900px) {
  .banner-flex, .about-flex, .support-flex, .footer-flex {
    flex-direction: column;
    align-items: flex-start;
  }
  .banner-right, .about-img {
    align-items: center;
    width: 100%;
  }
  .banner-img, .about-img img {
    width: 100%;
    max-width: 340px;
    height: auto;
  }
  .feature-cards {
    gap: 18px;
  }
  .feature-card {
    width: 100%;
    min-width: 220px;
  }
  .gallery-carousel img {
    width: 90vw;
    max-width: 340px;
  }
}
@media (max-width: 600px) {
  .container {
    padding: 0 8px;
  }
  .banner-left h1 {
    font-size: 2rem;
  }
  .features h2, .store-gallery h2 {
    font-size: 1.3rem;
  }
  .about-info h2, .support-info h2 {
    font-size: 1.1rem;
  }
}