/* ✅ 全站统一容器：你后面所有 section 都用它 */
.container{
  width: 100%;
  max-width: 1200px;          /* 你想像它一样更窄，就 1100/1120 */
  margin: 0 auto;
  padding: 0 40px;            /* ✅ 左右内边距固定，就不会乱跑 */
  box-sizing: border-box;
}

/* breadcrumb 灰条铺满 */
.breadcrumb{
  margin-top: 0px; /* 按 header 实际高度改 */
  width: 100%;
  background: #f6f7f9;
  border-bottom: 1px solid #eceef2;
}

/* breadcrumb 的内边距高度 */
.breadcrumb .container{
  padding-top: 12px;
  padding-bottom: 12px;
}

.breadcrumb__nav{
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: #6b7280;
  white-space: nowrap;
}

.breadcrumb__nav a{
  color: #6b7280;
  text-decoration: none;
}

.breadcrumb__nav a:hover{
  color: #1e88e5;
}

.breadcrumb__nav .sep{
  color:#9ca3af;
}

.breadcrumb__nav .current{
  color:#111827;
  font-weight: 500;
}

/* ✅ 小屏：左右 padding 变小，但仍然固定 */
@media (max-width: 768px){
  .container{ padding: 0 18px; }
}



/* ===== Section 2：产品特性 ===== */
.product-features {
  padding: 20px 0;
  background: #fff;
}

.product-features__inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr; /* 左文右图 */
  gap: 80px;
  align-items: center;
}

.product-features__text {
  font-size: 15px;
  color: #475569;
  max-width: 570px;
}

.product-features__title {
  font-size: 24px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 20px;
}

.product-features__desc {
  line-height: 1.6;
  margin-bottom: 24px;
}

.product-features__list ul {
  padding-left: 20px;
}

.product-features__list li {
  font-size: 14px;
  color: #6b7280;
  margin-bottom: 10px;
}

/* 右边图片 */
.product-features__image {
  display: flex;
  justify-content: center;
}

.product-features__image img {
  max-width: 100%;
  max-height: 340px;
  object-fit: contain;
}

/* 右边图片 */
.product-features__image1 {
  display: flex;
  justify-content: center;
}

.product-features__image1 img {
  max-width: 100%;
  max-height: 280px;
  object-fit: contain;
}


/* 修改标题颜色为蓝色 */
.product-features__title {
  color: #008BD5;
}

.product-features__list ul {
  list-style-type: none; /* 去掉默认圆点 */
  padding-left: 0; /* 确保左边没有默认的内边距 */
}

.product-features__list li {
  position: relative;
  padding-left: 18px; /* 给内容留出空间 */
}

.product-features__list li::before {
  content: "•"; /* 自定义圆点符号 */
  position: absolute;
  left: 0;
  top: 0;
  color: #0077b5; /* 车蓝色 */
  font-size: 20px; /* 调整大小 */
}

/* 小屏时调整布局 */
@media (max-width: 960px) {
  .product-features__inner {
    grid-template-columns: 1fr; /* 列变成单列 */
    gap: 48px;
  }

  .product-features__image {
    order: -1; /* 图片在上 */
  }
}

/* ========== Section 6: Tech Specs Table (1:1) ========== */
.s6-spec{
  width: 100%;
  background: #fff;
  padding: 10px 0 60px;
}

.s6-wrap{
  width: min(1200px, 92vw);
  margin: 0 auto;
}

/* Title */
.s6-title{
  font-size: 20px;
  font-weight: 700;
  color: #008BD5;
  margin: 0;
}

.s6-underline{
  width: 32px;
  height: 4px;
  background: #008BD5;
  margin-top: 10px;
}

/* Table container */
.s6-table{
  margin-top: 22px;
  border: 1px solid rgba(0,0,0,.10);
}

/* Top blue bar */
.s6-bar{
  background: #008BD5;
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  padding: 12px 0;
  text-align: left;
  padding: 12px 0 12px 24px; /* 👈 往左挪的关键 */
}

/* Grid */
.s6-grid{
  width: 100%;
}

/* Each row is 4 cells: L key / L value / R key / R value */
.s6-row{
  display: grid;
  width: 100%;
  max-width: 1200px; 
  grid-template-columns: 160px 1fr 220px 1fr;
  align-items: center;
  border-top: 1px solid rgba(0,0,0,.08);
}

/* Zebra */
.s6-row:nth-child(odd){
  background: #f3f3f3;
}
.s6-row:nth-child(even){
  background: #ffffff;
}

/* Cell base */
.s6-cell{
  padding: 12px 18px;
  font-size: 13px;
  color: #8a8f98;
  line-height: 1.6;
}

/* Key cells (bold, slightly darker) */
.s6-k{
  font-weight: 700;
  color: #6f7680;
}

/* Make the right-side key column align center-ish like screenshot */
.s6-row > .s6-cell:nth-child(3){
  text-align: center;
}

.s6-table{
  position: relative;   /* 👈 必须 */
  margin-top: 22px;
  border: 1px solid rgba(0,0,0,.10);
}

.s6-grid{
  position: relative;
}

.s6-grid::after{
  content: '';
  position: absolute;
  top: 0;               /* 从内容区顶部开始 */
  bottom: 0;            /* 到内容区底部结束 */
  left: 50%;            /* 中间竖线位置 */
  width: 4px;
  background: #FFFFFF;
  pointer-events: none;
}

.s6-row{
  padding-left: 0;
  padding-right: 0;
}

/* ===== Mobile: s6 技术参数表（完整可替换版） ===== */
/* ===== Mobile FINAL: 技术参数表（干净不乱、对齐自然） ===== */
@media (max-width: 900px){

  /* 0) 关掉桌面中线 */
  .s6-grid::after{
    display: none !important;
  }

  /* 1) 外层边框保持 */
  .s6-table{
    border: 1px solid rgba(0,0,0,.10);
  }

  /* 2) 每一行改成 1 列：key/value 纵向堆叠 */
  .s6-row{
    display: grid;
    grid-template-columns: 1fr;          /* ✅ 单列 */
    align-items: stretch;
    border-top: 1px solid rgba(0,0,0,.08);
    background: #fff;                    /* ✅ 不要再用斑马纹，否则更乱 */
  }

  /* 3) 单元格基础 */
  .s6-cell{
    padding: 10px 14px;
    font-size: 14px;
    line-height: 1.65;
    color: #6b7280;
  }

  /* 4) key：单独一行，背景浅灰 + 左蓝条，像表头 */
  .s6-k{
    font-weight: 700;
    color: #374151;

    background: #f4f6f8;

    display: flex;
    align-items: center;
    white-space: nowrap;
  }

  /* 5) value：自然换行，不需要强制居中 */
  .s6-cell:not(.s6-k){
    color: #667085;
    word-break: break-word;
    overflow-wrap: anywhere;
    background: #fff;
  }

  /* 6) 关键：把 4 格数据“重排”为连续的 key/value 对
        现在每个桌面 row 有 4 cell：1key 2val 3key 4val
        手机端我们要按顺序显示：1key+2val，再显示 3key+4val
  */
  .s6-row > .s6-cell:nth-child(1){ order: 1; }
  .s6-row > .s6-cell:nth-child(2){ order: 2; border-bottom: 1px solid rgba(0,0,0,.06); }

  .s6-row > .s6-cell:nth-child(3){
    order: 3;
    display: flex;                       /* ✅ 显示出来 */
    align-items: center;
  }
  .s6-row > .s6-cell:nth-child(4){
    order: 4;
    display: block;                      /* ✅ 显示出来 */
  }

  /* 7) 如果右半边为空（你有些行可能没有 3/4），避免出现空白块 */
  .s6-row > .s6-cell:nth-child(3):empty,
  .s6-row > .s6-cell:nth-child(4):empty{
    display: none;
  }

  /* 8) 顶部蓝条字号稍微小一点更适配 */
  .s6-bar{
    font-size: 16px;
    padding: 10px 14px;
  }
}





/* ===== Section 4：应用领域 ===== */


.app-fields{
  padding: 10px 0 64px;
  background: #fff;
}

/* 两列网格（每个格子是“左图+右文”的卡片） */
.app-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 34px 60px; /* 行距/列距接近你截图 */
  margin-top: 22px;
}

/* 卡片本体：左图右文 */
.app-card{
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 18px;
  align-items: start;
}

/* 图片区域 */
.app-card__img{
  display: block;
  width: 200px;
  height: 110px;
  overflow: hidden;
  border-radius: 2px;
  background: #f3f6f9;
}

.app-card__img img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 文字区域 */
.app-card__title{
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 700;
  color: #111827;
}

.app-card__title a{
  color: inherit;
  text-decoration: none;
}

.app-card__desc{
  margin: 0 0 10px;
  font-size: 12px;
  line-height: 1.8;
  color: #4b5563;
}

.app-card__more{
  font-size: 12px;
  color: #0077b5; /* 车蓝色 */
  text-decoration: none;
}

.app-card__more:hover{
  text-decoration: underline;
}

/* 响应式：手机变单列，卡片内也更紧凑 */
@media (max-width: 980px){
  .app-grid{
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .app-card{
    grid-template-columns: 160px 1fr;
  }

  .app-card__img{
    width: 160px;
    height: 96px;
  }
}

@media (max-width: 520px){
  .app-card{
    grid-template-columns: 1fr;
  }
  .app-card__img{
    width: 100%;
    height: 160px;
  }
}

/* ===== 产品资料下载卡片 ===== */
.product-download{
  margin-top: -60px;
  max-width: 520px;   /* 控制宽度，和左侧文字区一致 */
}

.download-card{
  display: flex;
  align-items: center;
  gap: 16px;

  padding: 18px 20px;
  background: #f6f7f9;
  border-radius: 6px;

  text-decoration: none;
  transition: all 0.2s ease;
}

.download-card:hover{
  background: #eef4fb;
}

/* 左侧圆形图标 */
.download-icon{
  width: 42px;
  height: 42px;
  border-radius: 50%;

  display: flex;
  align-items: center;
  justify-content: center;

  font-size: 18px;
  color: #008BD5;
  border: 1px solid #cfd9e5;
  background: #fff;
  flex-shrink: 0;
}

/* 右侧文字 */
.download-text{
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.download-title{
  font-size: 15px;
  font-weight: 700;
  color: #008BD5;
}

.download-desc{
  font-size: 13px;
  color: #6b7280;
}

.download-link{
  margin-top: 2px;
  font-size: 13px;
  color: #008BD5;
}

/* ========== Section: 相关产品 ========== */

.s-title__text{
  font-size: 20px;
  font-weight: 700;
  color: #008BD5;
  margin: 0;
}

.s-title__underline{
  width: 32px;
  height: 4px;
  background: #008BD5;
  margin-top: 10px;
}

/* 2列布局 */
.related-grid{
  margin-top: 22px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px 44px;
}

/* 单个卡片：左图 + 右文案 */
.related-card{
  display: grid;
  grid-template-columns: 200px 1fr;
  align-items: start;
  column-gap: 18px;
}

.related-thumb{
  display: block;
  width: 150px;
  height: 120px;
  background: #f5f6f7;
  overflow: hidden;
  border-radius: 2px;
}

.related-thumb img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.related-body{
  padding-top: 4px;
}

.related-name{
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  color: #111827;
}

.related-name a{
  text-decoration: none;
  color: inherit;
}

.related-mini-line{
  width: 18px;
  height: 3px;
  background: #008BD5;
  margin: 8px 0 10px;
}

.related-desc{
  margin: 0;
  font-size: 12px;
  line-height: 1.8;
  color: #6b7280;

  /* 让描述像截图一样“省略” */
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-more{
  display: inline-block;
  margin-top: 10px;
  font-size: 12px;
  color: #008BD5;
  text-decoration: none;
  font-weight: 600;
}

.related-more:hover{
  text-decoration: underline;
}

/* 响应式：手机端改成 1列 */
@media (max-width: 900px){
  .related-grid{
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .related-card{
    grid-template-columns: 150px 1fr;
  }
  .related-thumb{
    width: 120px;
    height: 96px;
  }
  .related-thumb img{
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
/* ===== 产品资料下载卡片 ===== */
.product-download{
  margin-top: -40px;
  max-width: 520px;   /* 控制宽度，和左侧文字区一致 */
}
}

/* ========== Section 4 (revised exact layout) ========== */
.s4-tech{
  width: 100%;
  background: #fff;
}

/* 顶部白底区域（标题在灰框外） */
.s4-top{
  padding: 18px 0 30px;
}
.s4-top__inner{
  width: min(1200px, 92vw);
  margin: 0 auto;
}

/* 蓝色小标题 + 下划线 */
.s4-label{
  font-size: 18px;
  color: #008BD5;
  font-weight: 600;
  position: relative;
  padding-bottom: 10px;
}
.s4-label::after{
  content:'';
  position:absolute;
  left:0;
  bottom:0;
  width: 22px;
  height: 3px;
  background:#5BADF6;
}

/* 灰色大框 */
.s4-box{
  background:#f3f3f3;
  padding: 10px 0 10px;
}
.s4-box__inner{
  width: min(1200px, 92vw);
  margin: 0 auto;

  display: grid;
  grid-template-columns: 1fr 680px; /* 右侧更窄，让图变小 */
  align-items: center;
  gap: 10px;
}

/* 左半部分：文字在左半区域居中 */
.s4-left{
  position: relative;
  min-height: 260px;             /* 让居中更像截图 */
  display: flex;
  align-items: center;           /* 垂直居中 */
  justify-content: center;       /* 水平居中（在左半部分内） */
}

.s4-midtitle{
  font-size: 14px;
  color:#666;
  font-weight: 500;
}

/* 右侧：图片更小一点并靠右 */
.s4-right{
  display:flex;
  justify-content:flex-end;
  align-items:center;

  padding-right: 105px;   /* ← 就改这个数值 */
}


.s4-img{
  width: 380px;     /* 🔑 控制图片大小：你要更小就改 280/260 */
  max-width: 100%;
  height: auto;
  display:block;
}

/* 响应式 */
@media (max-width: 900px){
  .s4-box__inner{
    grid-template-columns: 1fr;
  }
  .s4-left{
    min-height: auto;
    padding: 12px 0 6px;
  }
  .s4-right{
    justify-content:center;
  }
  .s4-img{
    width: min(320px, 90vw);
    margin-left: 90px;
  }
}

.product-download{
  margin-top: 0px;
}

.download-card{
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  border-radius: 14px;
  background: #f5f7fa;
  text-decoration: none;
}

.download-icon{
  width: 56px;
  height: 56px;
  min-width: 56px;
  border: 1px solid #cfd8e3;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #0b84d8;
  background: #fff;
  flex-shrink: 0;
  box-sizing: border-box;
}

.download-icon svg{
  width: 24px;
  height: 24px;
  display: block;
}

.download-text{
  min-width: 0;
}

.download-title{
  font-size: 16px;
  font-weight: 700;
  color: #0b84d8;
  line-height: 1.4;
}

.download-desc{
  margin-top: 6px;
  font-size: 14px;
  color: #7a8794;
  line-height: 1.6;
}

.download-link{
  margin-top: 8px;
  font-size: 14px;
  color: #0b84d8;
  line-height: 1.4;
}

/* 手机端 */
@media (max-width: 768px){
  .download-card{
    gap: 14px;
    padding: 16px;
  }

  .download-icon{
    width: 52px;
    height: 52px;
    min-width: 52px;
  }

  .download-icon svg{
    width: 22px;
    height: 22px;
  }

  .download-title{
    font-size: 15px;
  }

  .download-desc,
  .download-link{
    font-size: 13px;
  }
}

@media (max-width: 430px){
  .download-card{
    gap: 12px;
    padding: 14px;
    border-radius: 12px;
  }

  .download-icon{
    width: 48px;
    height: 48px;
    min-width: 48px;
  }

  .download-icon svg{
    width: 20px;
    height: 20px;
  }

  .download-title{
    font-size: 14px;
  }

  .download-desc,
  .download-link{
    font-size: 12.5px;
  }
}