a {
  text-decoration: none;
  color: #000;
}
body {
  margin: 0;
  font-family: "Microsoft YaHei", Arial, sans-serif;
  background: #f2f6fa;
  color: #222;
}
.header {
  width: 100%;
  height: 70px;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 188px 0 190px;
  box-sizing: border-box;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  font-family: Source Han Sans SC;
  font-weight: 500;
  font-size: 16px;
  color: #fdfdfd;
}
.header-left {
  display: flex;
  align-items: center;
  gap: 24px;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 18px;
}
.header-right button {
  display: flex;
  align-items: center;
  gap: 6px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 500;
  padding: 8px 20px;
  background: #232323;
  color: #fff;
  cursor: pointer;
  transition: background 0.3s, color 0.3s, box-shadow 0.3s, transform 0.2s;
}
.header-right button .icon {
  width: 22px;
  height: 22px;
  display: inline-block;
  background-size: contain;
  background-repeat: no-repeat;
}
.header-right button {
  font-family: FZCuHeiSongS-B-GB;
  font-weight: 400;
  font-size: 12px;
  color: #fdfdfd;
}
.wechat-btn img {
  width: 22px;
  height: 18px;
}
.miniapp-btn img {
  width: 16px;
  height: 18px;
}
.download-btn {
  background: #29aaff;
  color: #fff;
  margin-left: 12px;
}
.download-btn img {
  width: 21x;
  height: 15px;
}
.header-right button:hover {
  background: #444;
  color: #fff;
  transform: scale(1.06);
  box-shadow: 0 2px 8px rgba(58, 143, 255, 0.18);
}
.download-btn:hover {
  background: #0076c6;
}
.logo {
  width: 176px;
  height: 69px;
  border-radius: 8px;
  margin-right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.logo img {
  width: 100%;
  height: 100%;
}
.header-btns {
  display: flex;
  gap: 12px;
}
.nav {
  display: flex;
  gap: 40px;
  justify-content: center;
  align-items: center;
  flex: 1;
}
.nav-item {
  color: #fff;
  text-decoration: none;
  font-size: 16px;
  padding: 8px 16px;
  border-radius: 6px;
  transition: background 0.3s, color 0.3s, transform 0.2s;
}
.nav-item.active {
  background: #3a8fff;
  color: #fff;
  box-shadow: 0 4px 16px rgba(58, 143, 255, 0.15);
}
.nav-item:hover {
  background: #3a8fff;
  color: #fff;
  transform: translateY(-2px) scale(1.08);
  box-shadow: 0 4px 16px rgba(58, 143, 255, 0.15);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 25px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 101;
}

.mobile-menu-btn span {
  width: 100%;
  height: 3px;
  background: #fff;
  border-radius: 3px;
  transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

.login-btn,
.app-btn {
  background: #3a8fff;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 8px 20px;
  font-size: 15px;
  cursor: pointer;
  transition: background 0.3s, box-shadow 0.3s, transform 0.2s;
}
.login-btn:hover,
.app-btn:hover {
  background: #0056b3;
  box-shadow: 0 2px 8px rgba(58, 143, 255, 0.18);
  transform: scale(1.06);
}
.main-bg {
  width: 100%;
  padding-top: 69px;
  overflow: hidden;
}
.main-visual-bg {
  width: 100%;
  height: 840px;
  position: relative;
  background-image: url("../images/home.png");
  background-size: 100% 100%;
  background-repeat: no-repeat;
}
.main-visual-bg img {
  width: 100%;
  height: 100%;
}
.main-content {
  width: 45%;
  text-align: center;
  position: absolute;
  top: 36%;
  left: 6%;
  margin-left: 40px;
  padding: 30px;
  box-sizing: border-box;
  background-image: url("../images/home-card.png");
  background-size: 100% 100%;
  background-repeat: no-repeat;
  z-index: 9;
  color: #fff;
}
.img-phone {
  position: absolute;
  top: 10%;
  right: 9.5%;
  width: 480px;
}
.main-content h1 {
  font-family: Source Han Sans SC;
  font-weight: 800;
  /* color: #000000; */
  font-size: 82px;
  margin: 0 0 10px 0;
  line-height: 1.2;
}
.highlight {
  /* color: #3a8fff; */
  font-size: 88px;
  font-weight: 900;
  text-shadow: 0 2px 4px rgba(58, 143, 255, 0.2);
}
.subtitle {
  font-family: Source Han Sans SC;
  font-weight: 400;
  font-size: 20px;
  /* color: #666; */
  margin-bottom: 24px;
  line-height: 1.6;
}
.box-msg {
  margin-top: 24px;
}
.msg {
  display: inline-block;
  font-family: Source Han Sans SC;
  font-weight: 500;
  font-size: 18px;
  /* color: #333; */
  /* background: rgba(255, 255, 255, 0.9); */
  background: linear-gradient(to right, #8888f2, #b195f1);
  padding: 16px 24px;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
}
.main-btns {
  margin-top: 32px;
  display: flex;
  gap: 16px;
  justify-content: center;
}
.android-btn,
.ios-btn,
.shop-btn {
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}
.android-btn {
  background: #68b444;
  color: #fff;
}
.ios-btn {
  background: #51b5fe;
  color: #fff;
}
.shop-btn {
  background: #a485ec;
  color: #fff;
}
.android-btn:hover {
  background: #5a9a3a;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(104, 180, 68, 0.3);
}
.ios-btn:hover {
  background: #3a9ee8;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(81, 181, 254, 0.3);
}
.shop-btn:hover {
  background: #8b6fd8;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(164, 133, 236, 0.3);
}
.main-phones {
  width: 350px;
  height: 480px;
  background: #e0e7ff;
  border-radius: 32px;
  box-shadow: 0 8px 32px rgba(58, 143, 255, 0.18);
  position: relative;
  z-index: 2;
  animation: phone-float 3s ease-in-out infinite alternate;
}
@keyframes phone-float {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(-18px);
  }
}
.download-section {
  background: #eaf6ff;
  display: flex;
  justify-content: center;
  gap: 32px;
  padding: 203px 0 139px 0;
}
.download-card {
  /* height: 100px; */
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 2px 12px rgba(58, 143, 255, 0.1);
  display: flex;
  align-items: center;
  padding: 30px 20px;
  box-sizing: border-box;
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: pointer;
  position: relative;
}
.download-card:hover {
  transform: translateY(-8px) scale(1.04) rotate(-1deg);
  box-shadow: 0 8px 32px rgba(58, 143, 255, 0.18);
}
.download-card .icon {
  width: 72px;
  height: 72px;
  border-radius: 16px;
  text-align: center;
}
.download-card .icon img {
  width: 100%;
  height: 100%;
}
.download-card.wechat {
  background: #a485ec;
}
.download-card.android {
  background: #68b444;
}
.download-card.android .icon img {
  width: 64px;
  height: 72px;
}
.download-card.ios {
  background: #51b5fe;
}
.download-card.ios .icon img {
  width: 64px;
  height: 72px;
}
.download-card .desc {
  color: #333;
  font-family: Source Han Sans SC;
  font-weight: 500;
  font-size: 24px;
  color: #fdfdfd;
  line-height: 1.6;
  margin-right: 50px;
  letter-spacing: 3px;
}
.download-card .desc div {
  font-family: Source Han Sans SC;
  font-weight: 300;
  font-size: 18px;
  color: #e2e2e2;
}
.footer {
  background: #fff;
  padding: 32px 0 18px 0;
  text-align: center;
  color: #010101;
}
.footer-contact {
  font-family: Source Han Sans SC;
  font-weight: 400;
  font-size: 16px;
  text-align: center;
  gap: 48px;
  margin-bottom: 18px;
}
.footer-qr {
  width: 74px;
  height: 74px;
  background: #fff;
  border-radius: 12px;
  display: inline-block;
  margin: 10px 8px 0;
}
.footer-qr .qr-desc {
  text-align: center;
  font-size: 14px;
}
.footer-qr img {
  width: 100%;
  height: 100%;
}
.footer-info {
  font-size: 14px;
  line-height: 1.8;
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .header {
    padding: 0 40px;
  }
  
  .main-content {
    width: 45%;
    left: 4%;
  }
  
  .img-phone {
    width: 400px;
    right: 5%;
  }
  
  .download-section {
    padding: 150px 40px 100px;
  }
}

@media (max-width: 900px) {
  .header {
    padding: 0 20px;
  }
  
  .nav {
    display: none;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .header-right {
    gap: 12px;
  }
  
  .header-right button {
    font-size: 14px;
    padding: 6px 12px;
  }
  
  .main-visual-bg {
    height: 600px;
    background-size: cover;
    background-position: center;
  }
  
  .main-content {
    position: relative;
    width: 90%;
    left: 50%;
    transform: translateX(-50%);
    top: 50px;
    margin-left: 0;
    background-size: cover;
  }
  
  .main-content h1 {
    font-size: 36px;
  }
  
  .subtitle {
    font-size: 18px;
  }
  
  .img-phone {
    display: none;
  }
  
  .download-section {
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 80px 20px 60px;
  }
  
  .download-card {
    width: 100%;
    max-width: 400px;
    height: auto;
    padding: 20px;
  }
  
  .download-card .desc {
    font-size: 20px;
    margin-right: 20px;
  }
  
  .download-card .desc div {
    font-size: 16px;
  }
  
  .footer-contact {
    flex-direction: column;
    gap: 20px;
  }
}

@media (max-width: 600px) {
  .header {
    padding: 0 15px;
    height: 60px;
  }
  
  .logo {
    width: 120px;
    height: 40px;
  }
  
  .header-right button {
    font-size: 12px;
    padding: 5px 8px;
    gap: 4px;
  }
  
  .wechat-btn img,
  .miniapp-btn img {
    width: 16px;
    height: 14px;
  }
  
  .main-bg {
    padding-top: 60px;
  }
  
  .main-visual-bg {
    height: 500px;
  }
  
  .main-content {
    width: 95%;
    top: 30px;
    padding: 20px;
  }
  
  .main-content h1 {
    font-size: 28px;
    margin-bottom: 12px;
  }
  
  .subtitle {
    font-size: 16px;
    margin-bottom: 16px;
  }
  
  .msg {
    font-size: 16px;
    padding: 12px 16px;
  }
  
  .main-btns {
    flex-direction: column;
    gap: 12px;
  }
  
  .android-btn,
  .ios-btn,
  .shop-btn {
    padding: 10px 20px;
    font-size: 14px;
  }
  
  .download-section {
    padding: 60px 15px 40px;
  }
  
  .download-card {
    padding: 15px;
  }
  
  .download-card .icon {
    width: 50px;
    height: 50px;
  }
  
  .download-card .desc {
    font-size: 18px;
    margin-right: 15px;
    letter-spacing: 1px;
  }
  
  .download-card .desc div {
    font-size: 14px;
  }
  
  .footer {
    padding: 20px 0 10px 0;
  }
  
  .footer-contact {
    font-size: 14px;
  }
  
  .footer-qr {
    width: 60px;
    height: 60px;
    margin: 8px 6px 0;
  }
  
  .footer-info {
    font-size: 12px;
    padding: 0 15px;
  }
  
  .footer-info p {
    margin: 8px 0;
  }
}

@media (max-width: 480px) {
  .header {
    padding: 0 10px;
  }
  
  .logo {
    width: 100px;
    height: 35px;
  }
  
  .header-right {
    gap: 8px;
  }
  
  .header-right button {
    font-size: 11px;
    padding: 4px 6px;
  }
  
  .main-content h1 {
    font-size: 24px;
  }
  
  .subtitle {
    font-size: 14px;
  }
  
  .msg {
    font-size: 14px;
    padding: 10px 12px;
  }
  
  .download-card .desc {
    font-size: 16px;
  }
  
  .download-card .desc div {
    font-size: 12px;
  }
}

/* 移动端导航菜单 */
.mobile-nav {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  width: 100%;
  background: #000;
  z-index: 99;
  transform: translateY(-100%);
  transition: transform 0.3s ease;
}

.mobile-nav.active {
  transform: translateY(0);
}

.mobile-nav .nav {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 20px;
}

.mobile-nav .nav-item {
  padding: 15px 20px;
  border-bottom: 1px solid #333;
  font-size: 16px;
  text-align: left;
}

.mobile-nav .nav-item:last-child {
  border-bottom: none;
}

@media (max-width: 900px) {
  .mobile-nav {
    display: block;
  }
}