/* ========= TopCable-like tokens ========= */
:root{
  --tc-primary: #004C97;
  --tc-text: #1f2937;
  --tc-muted: #6b7280;
  --tc-border: #e5e7eb;
  --tc-surface: #f3f4f6;
  --tc-radius: 16px;
}

.strong{ color: #004c97 !important; }

/* ========= Shared container (TopCable-like) ========= */
.tc-container{
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ========= Hero layout ========= */
.tc-cable-hero-2{
  padding-top: 3rem;
}

.tc-cable-hero__layout{
  display:flex;
  flex-direction: column;
  gap: 32px;
  align-items: center;
}

/* desktop: 2 columns */
@media (min-width: 1280px){
  .tc-cable-hero__layout{
    flex-direction: row;
    align-items: center;
  }
}

/* ==============================
   TopCable-like top bar (breadcrumb + CTA)
   Target: .tc-cable-hero__topbar 里的结构
   ============================== */
.tc-cable-hero__topbar{
  display: flex;
  flex-direction: column;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid #111827;
}

@media (min-width: 1024px){
  .tc-cable-hero__topbar{
    flex-direction: row;
    gap: 0;
  }
}

/* breadcrumb（最终版：小字 + uppercase + flex） */
.tc-breadcrumb{
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--tc-muted);
  display: flex;
  align-items: center;
  gap: 0;
  white-space: nowrap;
}

.tc-breadcrumb__link{
  color: var(--tc-muted);
  text-decoration: none;
}
.tc-breadcrumb__link:hover{ text-decoration: underline; }

.tc-breadcrumb__sep{
  margin: 0 10px;
  opacity: .55;
}

/* current 不要太黑 */
.tc-breadcrumb__current{
  color: var(--tc-muted);
  font-weight: 600;
}

/* 兼容你 topbar 内部用的 flex 结构（你之前贴的 Tailwind） */
.tc-cable-hero__topbar .tc-breadcrumb,
.tc-cable-hero__topbar > .flex.flex-row.gap-2{
  display:flex;
  align-items:center;
  gap: 8px;
  font-size: 16px;          /* 你贴的官网是 text-base */
  text-transform: uppercase;
  letter-spacing: .02em;
  line-height: 1;
  color: #111827;
}

.tc-cable-hero__topbar a{
  color: #111827;
  text-decoration: none;
}
.tc-cable-hero__topbar a:hover{ opacity: .75; }

.tc-cable-hero__topbar .tc-breadcrumb__sep,
.tc-cable-hero__topbar > .flex.flex-row.gap-2 > span{
  opacity: .85;
}

.tc-cable-hero__topbar .tc-hero-cta,
.tc-cable-hero__topbar > .flex.flex-col.lg\\:flex-row{
  display:flex;
  flex-direction: column;
  gap: 16px;
  justify-content: center;
  align-items: center;
}

@media (min-width: 1024px){
  .tc-cable-hero__topbar .tc-hero-cta,
  .tc-cable-hero__topbar > .flex.flex-col.lg\\:flex-row{
    flex-direction: row;
    gap: 8px;
  }
}

/* ========= CTA (通用按钮体系：如果你模板里还在用 tc-btn) ========= */
.tc-hero-cta{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.tc-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 14px;
  text-decoration:none;
  border: 1px solid transparent;
  transition: opacity .15s ease, transform .15s ease;
}
.tc-btn:hover{ opacity:.92; transform: translateY(-1px); }

.tc-btn--ghost{
  background: #fff;
  border-color: var(--tc-border);
  color: var(--tc-text);
}
.tc-btn--primary{
  background: var(--tc-primary);
  border-color: var(--tc-primary);
  color: #fff;
}

/* ==============================
   TopCable button styles（你模仿官网那套）
   ============================== */
.button-tertiary-ghost{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;

  height: 44px;
  padding: 0 18px;

  border-radius: 999px;
  border: 1.5px solid var(--tc-primary);

  background: #fff;
  color: var(--tc-primary);

  font-weight: 700;
  font-size: 16px;
  line-height: 1;

  text-decoration: none;
  white-space: nowrap;

  transition: background-color .15s ease,
              border-color .15s ease,
              color .15s ease,
              transform .15s ease,
              box-shadow .15s ease;
}

.button-tertiary-ghost svg path{ fill: var(--tc-primary); }

.button-primary,input[type=button],input[type=reset],input[type=submit] {
    align-items: center;
    background-color: #004c97;
    border: 1px solid #004c97;
    border-radius: 9999px;
    color: #fff;
    display: inline-flex;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.5;
    padding: .75rem 1.5rem;
    /* transition-duration:.3s; */
    transition-property: color,background-color,border-color,box-shadow;
    transition-timing-function: ease-out;
    white-space: nowrap;
}
.button-primary svg path{ stroke: #fff; }

/* ========= Gallery ========= */
.tc-gallery{
  width: 100%;
  max-width: 384px;
}

/* 合并后的 main（把你散落的重复项统一在这） */
.tc-gallery__main{
  background: var(--tc-surface);
  border-radius: var(--tc-radius);
  position: relative;
  overflow: hidden; /* 像官网一样滑动不露边 */
}

.tc-gallery__main img{
  width: 100%;
  height: 410px;
  max-height: 410px;
  object-fit: contain;
  display:block;
}

/* 轨道：两张 slide 横向排布 */
.tc-gallery__track{
  display: flex;
  width: 200%;
  transform: translateX(0%);
  will-change: transform;
}

/* 单张 slide 占 50%（因为 track 宽 200%） */
.tc-gallery__slide{
  width: 50%;
  flex: 0 0 50%;
  background: var(--tc-surface, #f3f4f6);
}

/* 主图尺寸（保持 contain） */
.tc-gallery__slide img{
  width: 100%;
  height: 410px;
  object-fit: contain;
  display: block;
}

/* 动画缓冲 */
.tc-gallery__track.is-animating{
  transition: transform 420ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

.tc-gallery__thumbs{
  margin-top: 24px;
  display:flex;
  gap: 24px;
  align-items:center;
}

.tc-gallery__thumb{
  width: 78px;
  height: 78px;
  border-radius: var(--tc-radius);
  overflow:hidden;
  background: var(--tc-surface);
  padding: 0;
  cursor:pointer;
}

.tc-gallery__thumb img{
  width: 100%;
  height: 100%;
  object-fit: contain;
  display:block;
}

.tc-gallery__thumb.is-active{
  border-color: var(--tc-primary);
}

.tc-gallery__placeholder{
  background: var(--tc-surface);
  border-radius: var(--tc-radius);
  padding: 20px;
  color: var(--tc-muted);
}

/* ========= Gallery nav（圆按钮） ========= */
.tc-gallery__nav{
  position: absolute;
  bottom: 18px;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid var(--tc-border);
  background: #fff;
  color: var(--tc-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(0,0,0,.08);
  user-select: none;
}

.tc-gallery__nav--prev{ left: 18px; }
.tc-gallery__nav--next{ right: 18px; }

.tc-gallery__nav:hover{ opacity: .92; transform: translateY(-1px); }
.tc-gallery__nav:active{ transform: translateY(0); }

/* ====== TopCable controls: Tailwind class equivalents（你 Swiper 那套） ====== */
.tc-swiper-controls{
  position: absolute;
  right: 22px;
  bottom: 22px;
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
  z-index: 5;
}

.swiper-button-prev,
.swiper-button-next{
  position: static;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  color: #111827;
  opacity: 1;
  transition: opacity .2s ease;
}

.swiper-button-prev:hover,
.swiper-button-next:hover{ opacity: .75; }

.swiper-button-prev:focus-visible,
.swiper-button-next:focus-visible{
  outline: 2px solid rgba(17,24,39,.35);
  outline-offset: 3px;
  border-radius: 999px;
}

/* screen reader text */
.screen-reader-text{
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ========= Hero content ========= */
.tc-hero-content{
  width:100%;
  display:flex;
  flex-direction: column;
  gap: 16px;
}

.tc-hero-titleRow{
  display:flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.tc-kicker{
  font-size: 52px;
  font-weight: 900;
  letter-spacing: .02em;
  text-transform: uppercase;
  color: #333;
  margin-bottom: 6px;
}

.tc-title{
  font-size: 56px;
  line-height: 1.02;
  font-weight: 900;
  color: var(--tc-primary);
  margin: 0;
}

@media (max-width: 640px){
  .tc-title{ font-size: 34px; }
}

.tc-subtitle{
  font-size: 22px;
  font-weight: 800;
  color: var(--tc-primary);
}

.tc-standards{
  font-size: 11px;
  letter-spacing: .02em;
  color: var(--tc-primary);
  text-transform: uppercase;
}

.tc-intro{
  font-size: 14px;
    line-height: 1.5
}

.tc-properties{
  display:grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 8px;
}
@media (min-width: 768px){
  .tc-properties{ grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px){
  .tc-properties{ grid-template-columns: repeat(3, 1fr); }
}

.tc-property{
  border: 1px solid var(--tc-border);
  border-radius: var(--tc-radius);
  height: 170px;
  display:flex;
  flex-direction: column;
  align-items:center;
  justify-content: center;
  gap: 10px;
  padding: 16px;
  background:#fff;
}

.tc-property__icon{

  height: 56px;
  object-fit: contain;
}

.tc-property__text{
  color: var(--tc-muted);
  font-size: 16px;
  text-align:center;
  max-width: 190px;
}

/* ========= General / Typical applications ========= */
.cable-general{
  padding-bottom: 96px;
}

.cable-general__title{
  font-size: 28px;
  font-weight: 800;
  color: var(--tc-text);
  margin: 0 0 18px 0;
}

.cable-general__product{
  margin-left: 8px;
}

.cable-apps{
  border-top: 1px solid var(--tc-border);
  padding-top: 24px;
}

/* tabs */
.cable-apps__tabs{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.cable-apps__tab{
  border: 1px solid var(--tc-border);
  background:#fff;
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 14px;
  cursor:pointer;
  color: var(--tc-text);
}

.cable-apps__tab.is-active{
  border-color: var(--tc-primary);
  color: var(--tc-primary);
}

/* panels */
.cable-apps__panel{ display:none; }
.cable-apps__panel.is-active{ display:block; }

/* panel content: image + desc */
.cable-apps__image{
  background: var(--tc-surface);
  border-radius: var(--tc-radius);
  overflow:hidden;
}
.cable-apps__image img{
  width:100%;
  height: 360px;
  object-fit: contain;
  display:block;
}

.cable-apps__desc{
  margin-top: 16px;
  color: var(--tc-text);
  font-size: 14px;
  line-height: 1.7;
}

@media (min-width: 1024px){
  .cable-apps__panel.is-active{
    display:grid;
    grid-template-columns: 520px 1fr;
    gap: 24px;
    align-items: start;
  }
  .cable-apps__desc{ margin-top: 0; }
}