.main{
  padding-top: 80px;
}
.hero-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
  background: url('https://cdn.tradingtop.com/public/images/app/banner.png') center /cover;
}
.hero-section .hero-content {
  max-width: 1400px;
  width: 100%;
  padding: 0 10px;
}
.hero-section .hero-left {
  width: 50%;
  text-align: left;
}
.hero-section .hero-description{
 font-size: 45px;
 margin-top:50px;
}
.hero-section .ai-btn{
 font-size: 56px;
 border-radius: 40px;
 color: var(--text-color);
 font-size: 32px;
 width: 220px;
 height: 80px;
 line-height: 80px;
 margin-top: 40px;
 background-origin: border-box;
 background-clip: content-box, border-box;
 border: 2px solid transparent;
 background-image: var(--gradient-bg),
 linear-gradient(93deg, rgba(56, 255, 255, 1), rgba(171, 86, 249, 1), rgba(8, 30, 208, 1), rgba(3, 226, 251, 1));
}

.hero-section h1 {
  font-size: 72px;
  margin-bottom: 1rem;
}

.welcome-section, .app-download{
text-align: center;
max-width: 1200px;
margin: 0 auto;
padding-top: 100px;
padding-bottom: 80px;
}
.welcome-section h2, .app-download h3{
font-size: 64px;
}
.welcome-section p, .app-download p{
font-size: 20px;
color: var(--gray-color);
}

.signals{
  max-width: 1400px;
}
.signals .signal_list {
  margin-top: 70px;
  display: flex;
  justify-content: space-between; /* 或者使用 space-around, space-evenly 根据需求调整 */
}

.signals .signal_item {
  flex: 1;
  margin: 0 10px; /* 可选：添加间距 */
  text-align: center; /* 可选：根据设计调整文本对齐方式 */
  background: rgba(255,255,255,0.07);
  border-radius: 30px 30px 30px 30px;
  background-origin: border-box;
  background-clip: content-box, border-box;
  border: 2px solid transparent;
  background-image: linear-gradient(#141316, #141316), 
  linear-gradient(110deg, #2f2f31, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0), #2f2f31);
  height: 485px;
}
.signals .signal_item .signal_item_top{
  margin-top: 40px;
}
.signals .signal_item .signal_item_line{
  width: 40px;
  height: 8px;
  background: #5142FC;
  margin: 30px auto;
}
.signals .signal_item .signal_item_title{
  margin-top: 50px;
  font-size: 26px;
  color: #fff;
}

.app-download button{
font-size: 28px;
width: 278px;
height: 80px;
line-height: 80px;
margin-top: 40px;
border-radius: 40px;
background-origin: border-box;
background-clip: content-box, border-box;
border: 2px solid transparent;
background-image: var(--gradient-bg),
linear-gradient(93deg, rgba(56, 255, 255, 1), rgba(171, 86, 249, 1), rgba(8, 30, 208, 1), rgba(3, 226, 251, 1));
}

.feature-card {
max-width: 1400px;
display: flex;
border-radius: 20px;
margin: 2rem auto;
margin-bottom: 100px;
}
.feature-left{
width: 50%;
}
.feature-right{
width: 50%;
}

.feature-left img{
width: 100%;
}
.feature-right img{
width: 100%;
}

.feature-content {
width: 50%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.5rem;
padding: 0 2rem;
}
.feature-content h3{
font-size: 48px;
}
.feature-content p{
font-size: 28px;
color: var(--gray-color);
}

.feature-content img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
}

.feature-content button{
width: 278px;
height: 80px;
line-height: 80px;
border: 2px solid transparent;
border-radius: 40px;
background-origin: border-box;
background-clip: content-box, border-box;
background-image: linear-gradient(#000, #000),
linear-gradient(93deg, rgba(56, 255, 255, 1), rgba(171, 86, 249, 1), rgba(8, 30, 208, 1), rgba(3, 226, 251, 1));
}
.feature-card:nth-child(2n){
flex-direction: row-reverse;
}

.hero-section .download-btn-box .download-btn {font-size: 28px;
  width: 278px;
  height: 80px;
  line-height: 80px;
  margin-top: 40px;
  border-radius: 40px;
  background-origin: border-box;
  background-clip: content-box, border-box;
  border: 2px solid transparent;
  background-image: var(--gradient-bg), linear-gradient(93deg, rgba(56, 255, 255, 1), rgba(171, 86, 249, 1), rgba(8, 30, 208, 1), rgba(3, 226, 251, 1));
}
button {
  border: none;
  border-radius: 20px;
  background: var(--gradient-bg);
  color: var(--text-color);
  cursor: pointer;
  transition: transform 0.3s;
}

button:hover {
  transform: translateY(-2px);
}
/* Analytics list */
.analytics-item{
  display: flex;
  align-items: center;
}
.analytics-item + .analytics-item{
  margin-top: 50px;
}
.analytics-item .analytics-icon {
  width: 100px;
  height: 100px;
  margin-right: 30px;
}
.analytics-item .analytics-text {
  flex: 1;
}
.analytics-item .analytics-text h4{
  font-size: 26px;
}
.analytics-item .analytics-text p{
  font-size: 20px;
}

@media (max-width: 768px) {
  .appDownload{
    display: flex;
    align-items: center;
    flex-direction: column;
  }
  
  .appDownload .download-btn {
    display: flex;
    width: 80%;
    line-height: 50px;
    border: 0;
  }

  .app-download button{
    height: 50px;
    line-height: 50px;
  }

  .main{
    padding-top: 60px;
  }
  .feature-content{
    padding: 0;
  }
  .hero-section {
    min-height: auto;
    background: url('https://cdn.tradingtop.com/public/images/mobile/app.png') center no-repeat;
    padding: 16px;
    text-align: left;
  }
  
  .hero-section .hero-left {
    width: 100%;
  }
  .hero-section .hero-description{
    font-size: 14px;
    margin-top: 0px;
  }
.hero-section h1 {
    font-size: 2.5rem;
}

.hero-section h1 {
  font-size: 32px;
}

.hero-section .ai-btn {
  font-size: 15px;
  width: 130px;
  margin-top: 20px;
  line-height: 36px;
  height: 36px;
}

.feature-card {
    margin: 1rem;
}
.feature-card{
  display: block;
}
.feature-content, .feature-left{
  width: 100%;
}
.welcome-section, .app-download{
  margin-top: 30px;
  margin-bottom: 30px;
}
.welcome-section h2, .app-download h3{
  font-size: 24px;
}
.feature-content h3{
  font-size: 24px;
}
.feature-content p{
  font-size: 14px;
}
.feature-content button{
  font-size: 14px;
  width: 100%;
  height: 60px;
  line-height: 60px;
}
.welcome-section p, .app-download p{
  font-size: 14px;
  padding: 0 10px;
}
.nav-container .logo img{
  width: 100px;
}

/* Signals 部分优化 */
.signals .signal_list {
  flex-direction: column;
  padding: 0 15px;
}

.signals .signal_item {
  margin: 15px 0;
  height: auto;
  min-height: 380px;
}

.signals .signal_item .signal_item_top {
  margin-top: 20px;
}

.signals .signal_item .signal_item_top img {
  width: 80%;
  max-width: 200px;
}

.signals .signal_item .signal_item_title {
  margin-top: 30px;
  font-size: 20px;
  padding: 0 15px;
}

.signals .signal_item .signal_item_desc {
  padding: 0 15px;
  font-size: 14px;
}

/* Analytics list 部分优化 */
.analytics-list {
  margin-top: 15px;
}

.analytics-item {
  margin-bottom: 15px;
}

.analytics-item .analytics-icon {
  width: 45px;
  height: 45px;
}

.analytics-item .analytics-text h4 {
  font-size: 16px;
}

.analytics-item .analytics-text p {
  font-size: 13px;
}
}

/* 平板设备优化 */
@media (min-width: 769px) and (max-width: 1024px) {
  .hero-section h1 {
    font-size: 48px;
  }

  .hero-section .hero-description {
    font-size: 32px;
  }
  .feature-card {
    margin: 2rem 15px;
  }

  .feature-content h3 {
    font-size: 36px;
  }

  .feature-content p {
    font-size: 20px;
  }

  .signals .signal_list {
    gap: 15px;
    padding: 0 20px;
  }

  .signals .signal_item {
    margin: 0;
  }

  .signals .signal_item .signal_item_title {
    font-size: 22px;
  }

  .signals .signal_item .signal_item_desc {
    font-size: 14px;
    padding: 0 10px;
  }

  .analytics-item {
    margin-bottom: 20px;
  }

  .analytics-item .analytics-icon {
    width: 50px;
    height: 50px;
  }
}