.container{
  width: 100%;
  max-width: 1200px;          
  margin: 0 auto;
  padding: 0 40px;            
  box-sizing: border-box;
}


.breadcrumb{
  margin-top: 0px; 
  width: 100%;
  background: #f6f7f9;
  border-bottom: 1px solid #eceef2;
}


.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;
}


@media (max-width: 768px){
  .container{ padding: 0 18px; }
}


.product-features {
  padding: 20px 0;
  background: #fff;
}

.product-features__inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr; 
  column-gap: 80px;
  row-gap: 18px;
  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__desc-group{
  margin-bottom: 16px;
}

.product-features__desc-group .product-features__desc{
  margin-bottom: 18px;
}

.product-features__desc-group .product-features__desc:last-child{
  margin-bottom: 0;
}

.product-features__desc-group.is-collapsible{
  position: relative;
  max-height: 12.8em;
  overflow: hidden;
}

.product-features__desc-group.is-collapsible::after{
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3em;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(255,255,255,0), #fff 86%);
}

.product-features__desc-group.is-expanded{
  max-height: none;
}

.product-features__desc-group.is-expanded::after{
  display: none;
}

.product-features__more{
  margin: 0 0 18px;
  font-size: 14px;
}

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

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


.product-features__image {
  display: flex;
  justify-content: center;
}

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


.product-features__image1 {
  display: flex;
  justify-content: center;
}

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



.product-features__title {
  color: #008BD5;
}

.product-features__list ul {
  list-style-type: none; 
  padding-left: 0; 
}

.product-features__list li {
  position: relative;
  padding-left: 18px; 
}

.product-features__list li::before {
  content: "•"; 
  position: absolute;
  left: 0;
  top: 0;
  color: #0077b5; 
  font-size: 20px; 
}


@media (max-width: 960px) {
  .product-features__inner {
    grid-template-columns: 1fr; 
    gap: 48px;
  }

  .product-features__image {
    order: -1; 
  }
}

/* ========== 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; 
  overflow-wrap: anywhere;
  word-break: normal;
  hyphens: auto;
}

/* 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: minmax(140px, 17%) minmax(0, 33%) minmax(170px, 19%) minmax(0, 31%);
  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;
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: normal;
  hyphens: auto;
  position: relative;
  z-index: 1;
}

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

.s6-grid{
  position: relative;
}

.s6-grid::after{
  content: '';
  position: absolute;
  top: 0;               
  bottom: 0;            
  left: 50%;            
  width: 4px;
  background: #FFFFFF;
  pointer-events: none;
  z-index: 0;
}

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



@media (max-width: 900px){

  
  .s6-grid::after{
    display: none !important;
  }

  
  .s6-table{
    border: 1px solid rgba(0,0,0,.10);
  }

  
  .s6-row{
    display: grid;
    grid-template-columns: 1fr;          
    align-items: stretch;
    border-top: 1px solid rgba(0,0,0,.08);
    background: #fff;                    
  }

  
  .s6-cell{
    padding: 10px 14px;
    font-size: 14px;
    line-height: 1.65;
    color: #6b7280;
  }

  
  .s6-k{
    font-weight: 700;
    color: #374151;

    background: #f4f6f8;

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

  
  .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;                       
    align-items: center;
  }
  .s6-row > .s6-cell:nth-child(4){
    order: 4;
    display: block;                      
  }

  
  .s6-row > .s6-cell:nth-child(3):empty,
  .s6-row > .s6-cell:nth-child(4):empty{
    display: none;
  }

  
  .s6-bar{
    font-size: 16px;
    padding: 10px 14px;
  }
}








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


.app-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 34px 60px; 
  margin-top: 22px;
}


.app-card{
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 18px;
  align-items: start;
}


.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;
}


.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__desc.is-collapsible{
  position: relative;
  max-height: 7.2em;
  overflow: hidden;
}

.app-card__desc.is-collapsible::after{
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2.8em;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(255,255,255,0), #fff 86%);
}

.app-card__desc.is-expanded{
  max-height: none;
}

.app-card__desc.is-expanded::after{
  display: none;
}

.app-card__more{
  display: inline-flex;
  align-items: center;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
  color: #008BD5;
  text-decoration: none;
  font-family: inherit;
}

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

.app-card__more:focus-visible{
  outline: 2px solid rgba(0, 139, 213, .35);
  outline-offset: 3px;
  border-radius: 3px;
}


@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;
  }
}


.product-download{
  margin-top: -60px;
  max-width: 520px;   
}

.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;
}


.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;
}


.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;
}



.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;
}


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


.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;

  
  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;
}


@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;
  }

.product-download{
  margin-top: -40px;
  max-width: 520px;   
}
}

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


.s4-top{
  padding: 18px 0 30px;
}
.s4-top__inner{
  width: min(1200px, 92vw);
  margin: 0 auto;
}


.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;
}


.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; 
  align-items: center;
  gap: 10px;
}


.s4-left{
  position: relative;
  min-height: 260px;             
  display: flex;
  align-items: center;           
  justify-content: center;       
}

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


.s4-right{
  display:flex;
  justify-content:flex-end;
  align-items:center;

  padding-right: 105px;   
}


.s4-img{
  width: 380px;     
  max-width: 100%;
  height: auto;
  display:block;
}


@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{
  grid-column: 1;
  align-self: start;
  margin-top: -8px;
  max-width: 520px;
}

.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;
}


@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;
  }
}

/* ===== Product page rhythm normalization ===== */
.s6-spec,
.applicable-equipment,
.app-fields{
  padding: 36px 0;
  background: #fff;
}

.s4-top{
  padding: 36px 0 22px;
}

.s6-title,
.s-title__text,
.s4-label{
  font-size: 20px;
  font-weight: 700;
  color: #008BD5;
  line-height: 1.35;
  margin: 0;
}

.s6-underline,
.s-title__underline,
.s4-label::after{
  width: 32px;
  height: 4px;
  background: #008BD5;
}

.s6-underline,
.s-title__underline{
  margin-top: 10px;
}

.s4-label{
  padding-bottom: 10px;
}

.s4-label::after{
  bottom: 0;
}

@media (max-width: 960px){
  .product-features__inner{
    row-gap: 24px;
  }

  .product-download{
    grid-column: 1;
    margin-top: 0;
  }

  .s6-spec,
  .applicable-equipment,
  .app-fields{
    padding: 30px 0;
  }
}

@media (min-width: 961px){
  .container{
    max-width: 1400px;
  }

  .product-features__text{
    max-width: 640px;
  }

  .s4-top__inner,
  .s4-box__inner,
  .s6-wrap{
    width: min(1400px, calc(100vw - 80px));
  }

  .s6-row{
    max-width: none;
  }
}

/* Download inquiry CTA and modal */
.download-cta{
  width: 100%;
  border: 0;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.download-modal[hidden]{
  display: none;
}

.download-modal{
  position: fixed;
  inset: 0;
  z-index: 9999;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.download-modal__backdrop{
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.58);
}

.download-modal__panel{
  position: relative;
  width: min(760px, calc(100% - 32px));
  max-height: calc(100vh - 48px);
  margin: 24px auto;
  overflow: auto;
  background: #f7f7f7;
  border-radius: 12px;
  box-shadow: 0 28px 80px rgba(15, 23, 42, 0.28);
}

.download-modal__close{
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 2;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 999px;
  background: #fff;
  color: #1f2937;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);
}

.download-modal .contact-section{
  padding: 44px 0;
  background: transparent;
}

.download-modal .contact-inner{
  width: min(620px, 90%);
  margin: 0 auto;
  transform: none;
}

.download-modal .contact-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.download-modal .contact-form{
  width: 100%;
  max-width: none;
}

body.download-modal-open{
  overflow: hidden;
}

@media (max-width: 640px){
  .download-modal{
    padding: 10px 0 calc(88px + env(safe-area-inset-bottom));
  }

  .download-modal__panel{
    width: calc(100% - 20px);
    max-height: none;
    margin: 10px auto;
    overflow: visible;
  }

  .download-modal .contact-section{
    padding: 32px 0 calc(40px + env(safe-area-inset-bottom));
  }

  .download-modal .contact-title{
    padding-right: 44px;
  }
}