/* ===== HERO ===== */
.hero{
    height:100vh;
    position:relative;
    overflow: hidden;
  }
  .hero video{
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:100%;
    object-fit:cover;
}
  .hero-text{
    position:relative;
    z-index:2;
    color:#fff;
    font-size:48px;
    display:flex;
    align-items:center;
    justify-content:center;
    height:100%;
  }
  
/* ===== Split ===== */
.split-section{
    padding:120px 0px;
  
    align-items: center;
    
  }
  .split-section .container{
    max-width: 1200px;
    margin: 0 auto;
    display:flex;
    align-items: center;
    gap:80px;
    padding: 0 60px;
    
    
  }
  /* ==================================================
   Home Split（仅首页第一块）
================================================== */

.split-section .split-image{
  flex:0 0 65%;
  margin-left:-60px;
}

.split-section .split-image img{
  height:520px;
}
  /* ==================================================
   Split Image（公共）
================================================== */

.split-image{
  width:100%;
  overflow:hidden;
  border-radius:0;
}

.split-image img{
  width:100%;
  display:block;
  object-fit:cover;
}

/* ==================================================
   Split Block（模块5、6）
================================================== */

.split-block .split-image{
  width:100%;
}

.split-block .split-image img{
  height:auto;
}

  .split-content{
    flex: 0 0 35%;
    max-width: 420px; /* ⭐限制文字宽度 */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-self: center;
  }
  .split-content h2{
    font-size:28px;
    margin-bottom:50px;
  }
  
  .split-content p{
    font-size:14px;
    line-height:1.8;
    color:#444;
  }
  
  
  
  /* News Card */
  /* 外层背景 */
.news-card{
  background:#edeceb;
  padding:120px 20px;
}
  /* 新增：真正控制版心 */
.news-card-inner{
  max-width:1100px;      /* 整体最大宽度 */
  margin:0 auto;

  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:60px;
}
  
  
.news-content{
  flex: 1;
  max-width: 420px;
}
  
  .news-content .category {
    font-size: 12px;
    line-height: 1.7;
    letter-spacing: 1.5px;
    color: #666;
    display: block;
    margin-bottom: 20px;
    text-transform: uppercase;
    
  }
  
  .news-content h2 {
    font-size: 2em;
    line-height: 1.2;
    margin-bottom: 25px;
  }
  
  .news-content p {
    font-size: 15px;
    line-height: 1.8;
    color: #444;
    margin-bottom: 30px;
    max-width: 480px;
  }
  
  .news-content .discover-link {
    color: #111;
    text-decoration: none;
    font-size: 13px;
    letter-spacing: 1px;
      border-bottom: 1px solid #aaaaaa;
    
    padding-bottom: 4px;
  }
  
  /* Image */
  
 .news-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.news-image img {
    width: 100%;
    max-width: 520px;

    height: auto;
  
}
/* ========================================== */
/* 7. 模块5 & 6：左右图文混排
/* ========================================== */
.split-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 100px;
   
    margin-left: auto;
    margin-right: auto;
    
    width: min(1200px,92%);
}



.split-title {
    font-size: 2em;
    font-weight: 450;
    letter-spacing: 1px;
    color: #111;
    margin-bottom: 20px;
}

.split-description {
    font-size: 15px;
    line-height: 1.7;
    color: #444;
    margin-bottom: 25px;
}

.split-link {
    color: #111;
    text-decoration: none;
    font-size: 13px;
    letter-spacing: 1px;
    border-bottom: 1px solid #aaaaaa;
    padding-bottom: 4px;
}

.split-link:hover {
    opacity: 0.6;
}

/* 左边文字 + 右边图片（调换顺序） */
.image-right .split-text {
    order: 2;
}

.image-right .split-image {
    order: 1;
}
/* ===== 横向滚动4张图 ===== */
.horizontal{
  position: relative;
  width: 100%;
  max-width: 1200px; /* 屏幕容器最大宽度 */
  
  margin: 100px auto;
  
}

.horizontal-container{
  overflow: hidden;
}

.horizontal-track{
  display: flex;
  gap: 30px;
  transition: transform 0.4s ease;
}

.card{
  flex: 0 0 calc((100% - 90px) / 4);
  height:260px;
  overflow:hidden;
}

.card img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 0px;
}
/* 左右箭头按钮 */
.scroll-btn{
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.35);
  color: #000000;
  border: none;
  font-size: 1.5em;
  padding: 5px 15px;
  cursor: pointer;
  z-index: 20;
  border-radius: 0;
}

.scroll-btn.left{
  left: 0;
}

.scroll-btn.right{
  right: 0;
}

/* ===== 过渡 ===== */
.section-transition{
  height:120px;
  background:linear-gradient(to bottom, transparent, #f5f5f5 50%, transparent);
}



/* ==========================================================
   Responsive
   ========================================================== */

/* ---------- iPad Pro / 小屏电脑 ---------- */
@media (max-width:1024px){

  /* ================= HERO ================= */
  .hero-text{
      font-size:38px;
      text-align:center;
      padding:0 40px;
  }
  
  /* ================= SPLIT SECTION ================= */
  .split-section{
     align-items:center;
     max-width:520px;
     margin:0 auto;
     
  }
  
  .split-section .container{
      flex-direction:column;
      gap:60px; /* ↑ 更松 */
      padding:0 40px;
      text-align: center;
  }
  
  /* 图优先放大 */
  .split-section .split-image{
      width:100%;
      max-width:900px;
      
      margin-left: 0 !important;
  }
  .split-image img{
    width:100%;
    height:auto;
    display:block;
    object-fit:cover;
}
  .split-section .split-image img{
      
      aspect-ratio:4/5; /* ⭐ 关键：避免高度死锁 */
      
  }
  
  /* 文字变窄 + 更集中 */
  .split-content{
      max-width:520px;   /* ↓ 变窄 */
      width:100%;
      margin:0 auto;
      font-size:14px;
      line-height:1.75;
  }
  
  /* 标题更克制 */
  .split-content h2{
      font-size:28px;
      margin-bottom:20px;
      text-align:center;
  }
  
  /* ================= NEWS CARD ================= */
  .news-card-inner{
    flex-direction:column;
    text-align:center;
    gap:40px;
}
  .news-card{
      flex-direction:column;
      padding:100px 80px;
      gap:60px;
  }
  
  /* 文本更窄 */
  .news-content{
      max-width:520px;
      margin:0 auto;
      
  }
  
.news-image{
    justify-content:center;
}
.news-image img{
      width:100%;
      
  }
  
  /* ================= HORIZONTAL CAROUSEL ================= */
  .horizontal{
      margin:100px auto;
  }
  
  .card{
      flex:0 0 calc((100% - 40px) / 2); /* 两张但更大 */
      height:320px; /* ↑ 比你现在更舒展 */
  }
  
  /* ================= SPLIT BLOCK ================= */
  .split-block{
      grid-template-columns:1fr;
      gap:60px;
      margin-bottom:100px;
  }
  
  .image-right .split-text{
      order:1;
  }
  
  .image-right .split-image{
      order:2;
  }
  
  }


/* ---------- 手机 ---------- */
@media (max-width:768px){

  /* Hero */

  .hero{

      height:70vh;

  }

  .hero-text{
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    transform: translateY(2px);
}
.hero-text h1{
  margin: 0;
  line-height: 1.1;
}

    img{
        width:100%;
        height:auto;
        display:block;
    }
  
    .split-section .container,
    .news-card,
    .split-block{
        flex-direction:column;
        grid-template-columns:1fr;
    }
  
  
  /* 第一块 */

  .split-section{
      transform: none !important;
      padding:60px 0;

  }

  .split-section .container{
      display: flex !important;
      flex-direction: column !important;
      align-items: center;
      text-align: center;
      padding:0 20px;
      gap:30px;

  }
  .split-content{
    max-width:100%;
    padding:0 20px;
}
  .split-content h2{
    
      font-size:26px;

  }

  .split-content p{

      font-size:15px;
      line-height:1.8;

  }
  .split-image img,
  .news-image img{
      height:auto !important;
      max-height:none !important;
      aspect-ratio:auto !important;
  }
  .split-section .split-image img,
  .news-image img{
      
      max-height:none;
      aspect-ratio:auto;
  }
  .split-image{
    width:100%;
    max-width:100%;
}
  /* 横向滚动 */

  .horizontal{

      margin:60px auto;

  }

  .horizontal-track{

      gap:15px;

  }

  .card{
    flex:0 0 100%;
    height:auto;
    aspect-ratio:16/10;
    overflow:hidden;
}

  .scroll-btn{

      font-size:28px;
      padding:0 10px;

  }

  /* News */

  .news-card{
      display: flex;
      flex-direction: column;
      padding:60px 20px;
      gap:35px;

  }

  .news-content h2{

      font-size:30px;

  }

  .news-content p{

      font-size:15px;

  }

  /* Split Block */

  .split-block{

      display: grid;
      grid-template-columns: 1fr;
      margin-bottom:60px;

  }

  .split-title{

      font-size:30px;

  }

  .split-description{

      font-size:15px;

  }

}


/* ---------- 小屏手机 ---------- */
@media (max-width:480px){

  .hero{

      height:auto;
      min-height: 60vh;

  }

  .hero-text{

      font-size:24px;

  }

  .split-content h2{

      font-size:22px;

  }

  .news-content h2{

      font-size:24px;

  }

  .split-title{

      font-size:24px;

  }

  .card{
      aspect-ratio: 4/5;
      height: 260px;

  }

}