@font-face {
  font-family: "Manrope Variable";
  src: url("./fonts/Manrope-Variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
}

.transceivers-hero {
  height: 500px;
  background-image:
    linear-gradient(90deg, rgba(14, 17, 23, 0.66) 0%, rgba(20, 35, 68, 0.66) 100%),
    url("../img/transceivers-banner.png");
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.transceivers-hero-inner {
  width: 1440px;
  height: 100%;
  margin: 0 auto;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  padding: 80px 0;
  box-sizing: border-box;
}

.transceivers-hero-copy {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
  color: #ffffff;
  position: relative;
  z-index: 2;
  font-family: "Manrope Variable", "Manrope", Arial, sans-serif;
  font-style: normal;
  font-synthesis: none;
  font-optical-sizing: auto;
}

.transceivers-hero-breadcrumb {
  margin: 0;
  color: rgba(255, 255, 255, 0.95);
  line-height: 1.7;
  font-weight: 400;
  font-family: "Manrope Variable", "Manrope", Arial, sans-serif;
  font-style: normal;
  font-variation-settings: "wght" 400;
  white-space: nowrap;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

.transceivers-hero-title {
  margin: 0;
  width: 719px;
  color: #ffffff;
  line-height: 1.1;
  letter-spacing: 0;
  font-family: "Manrope Variable", "Manrope", Arial, sans-serif;
  font-style: normal;
  font-weight: 300;
  font-variation-settings: "wght" 300;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

.transceivers-hero-slogan {
  position: absolute;
  left: -56px;
  bottom: 78px;
  width: 298px;
  height: 18px;
  z-index: 1;
}

.transceivers-hero-slogan img {
  display: block;
  width: 100%;
  height: 100%;
}

.transceivers-list-section {
  background: #ffffff;
  padding: 160px 0;
}

.transceivers-layout {
  width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
}

.transceivers-filter,
.transceivers-products {
  font-family: "Manrope Variable", "Manrope", "Montserrat", "Inter", "Segoe UI", Arial, sans-serif;
}

.transceivers-filter {
  width: 338px;
  padding-right: 40px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.transceivers-filter-head {
  width: 100%;
}

.transceivers-filter-title {
  margin: 0;
  line-height: 1.25;
  font-family: "Manrope Variable", "Manrope", "Montserrat", "Inter", "Segoe UI", Arial, sans-serif;
  font-weight: 400;
  font-variation-settings: "wght" 400;
  background: linear-gradient(90deg, #1b8c6c 0%, #042959 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.transceivers-filter-group {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.transceivers-filter-label {
  margin: 0;
  color: #142344;
  line-height: 1.7;
  font-family: "Manrope Variable", "Manrope", "Montserrat", "Inter", "Segoe UI", Arial, sans-serif;
  font-weight: 700;
  font-variation-settings: "wght" 700;
}

.transceivers-search-box {
  height: 50px;
  border: 1px solid #d0d3d9;
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.transceivers-search-input {
  width: 100%;
  height: 100%;
  padding: 0 48px 0 16px;
  border: none;
  background: transparent;
  color: #142344;
  font-family: "Manrope Variable", "Manrope", "Montserrat", "Inter", "Segoe UI", Arial, sans-serif;
  font-weight: 400;
  font-variation-settings: "wght" 400;
}

.transceivers-search-icon {
  position: absolute;
  top: 9px;
  right: 15px;
  width: 32px;
  height: 32px;
}

.transceivers-check-item {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 4px 0;
  cursor: pointer;
}

.transceivers-check-text {
  color: #010705;
  line-height: 1.6;
  font-family: "Manrope Variable", "Manrope", "Montserrat", "Inter", "Segoe UI", Arial, sans-serif;
  font-weight: 500;
  font-variation-settings: "wght" 500;
}

.transceivers-check-dot {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1.5px solid #042959;
  background: #ffffff;
  box-sizing: border-box;
  position: relative;
  flex-shrink: 0;
  transform: scale(1);
  transition: background-color 0.5s ease, border-color 0.5s ease, transform 0.2s ease;
}

.transceivers-check-dot::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 24px;
  height: 24px;
  background: url("../img/gou.svg") center / contain no-repeat;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.5s ease;
}

.transceivers-check-item.is-active .transceivers-check-dot {
  background: #042959;
  border-color: #042959;
  transform: scale(0.9);
  transition: background-color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.transceivers-check-item.is-active .transceivers-check-dot::after {
  opacity: 1;
  transition: opacity 0.18s ease;
}

.transceivers-filter-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding-left: 4px;
}

.transceivers-box-item {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 32px;
  padding: 4px 0;
  cursor: pointer;
}

.transceivers-box-item span:last-child {
  color: #010705;
  line-height: 1.45;
  font-family: "Manrope Variable", "Manrope", "Montserrat", "Inter", "Segoe UI", Arial, sans-serif;
  font-weight: 400;
  font-variation-settings: "wght" 400;
}

.transceivers-box {
  width: 20px;
  height: 20px;
  border-top: 1.5px solid #5a657c;
  border-left: 1.5px solid #5a657c;
  border-right: 2.5px solid #5a657c;
  border-bottom: 2.5px solid #5a657c;
  background: #ffffff;
  box-sizing: border-box;
  position: relative;
  flex-shrink: 0;
  transform: scale(1);
  transition: background-color 0.5s ease, border-color 0.5s ease, transform 0.2s ease;
}

.transceivers-box::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 11px;
  height: 6px;
  border-left: 2px solid #5a657c;
  border-bottom: 2px solid #5a657c;
  transform: translate(-50%, -62%) rotate(-45deg);
  opacity: 0;
  transition: opacity 0.5s ease;
}

.transceivers-box-item.is-active .transceivers-box {
  background: #ffffff;
  border-color: #5a657c;
  transform: scale(1);
  transition: background-color 0.18s ease, border-color 0.18s ease;
}

.transceivers-box-item.is-active .transceivers-box::after {
  opacity: 1;
  transition: opacity 0.18s ease;
}

.transceivers-box-item.is-disabled {
  opacity: 0.58;
  cursor: default;
  pointer-events: none;
}

.transceivers-box-item.is-disabled .transceivers-box {
  background: #d0d3d9;
  border-top-color: #5a657c;
  border-left-color: #5a657c;
  border-right-color: #5a657c;
  border-bottom-color: #5a657c;
}

.transceivers-products {
  flex: 1;
  border-left: 1px solid #d0d3d9;
  padding-left: 56px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.transceivers-products-title {
  margin: 0;
  color: #010705;
  line-height: 1.3;
  font-family: "Manrope Variable", "Manrope", "Montserrat", "Inter", "Segoe UI", Arial, sans-serif;
  font-weight: 400;
  font-variation-settings: "wght" 400;
}

.transceivers-result-bar {
  margin-top: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid #d8d9d9;
  display: flex;
  align-items: center;
  gap: 40px;
}

.transceivers-result-text {
  margin: 0;
  color: #010705;
  line-height: 1.6;
  font-family: "Manrope Variable", "Manrope", "Montserrat", "Inter", "Segoe UI", Arial, sans-serif;
  font-weight: 500;
  font-variation-settings: "wght" 500;
}

.transceivers-result-text span {
  color: #ff0000;
}

.transceivers-products-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
}

.transceiver-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.transceiver-card-image-link {
  width: 100%;
  display: block;
  text-decoration: none;
  color: inherit;
}

.transceiver-card-image-wrap {
  width: 100%;
  aspect-ratio: 342 / 342;
  background: #f0f2f5;
  border-radius: 4px;
  overflow: hidden;
  transition: background 0.35s ease;
}

.transceiver-card-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.transceiver-card-title {
  margin: 0;
  color: #010705;
  line-height: 1.6;
  font-family: "Manrope Variable", "Manrope", "Montserrat", "Inter", "Segoe UI", Arial, sans-serif;
  font-weight: 500;
  font-variation-settings: "wght" 500;
}

.transceiver-card-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #5a657c;
  transition: color 0.3s ease;
}

.transceiver-card-link span:first-child {
  line-height: 1.6;
  font-family: "Manrope Variable", "Manrope", "Montserrat", "Inter", "Segoe UI", Arial, sans-serif;
  font-weight: 400;
  font-variation-settings: "wght" 400;
}

.transceiver-card-link-arrow {
  width: 16px;
  height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: transform 0.3s ease;
}

.transceiver-card-link-arrow img {
  width: 100%;
  height: 100%;
  display: block;
  transform: rotate(45deg);
  transition: transform 0.3s ease, filter 0.3s ease;
  filter: brightness(0) saturate(100%) invert(40%) sepia(12%) saturate(776%) hue-rotate(184deg) brightness(91%) contrast(86%);
}

.transceiver-card:hover .transceiver-card-image-wrap {
  background: radial-gradient(circle at 50% 50%, #ffffff 0%, #e7eaee 100%);
}

.transceiver-card:hover .transceiver-card-image-link {
  cursor: pointer;
}

.transceiver-card:hover .transceiver-card-image {
  transform: scale(1.06);
}

.transceiver-card:hover .transceiver-card-link {
  color: #1b8c6c;
}

.transceiver-card:hover .transceiver-card-link-arrow img {
  filter: brightness(0) saturate(100%) invert(44%) sepia(74%) saturate(520%) hue-rotate(124deg) brightness(91%) contrast(90%);
}

.transceiver-card:hover .transceiver-card-link-arrow {
  transform: translateX(2px);
}

.transceivers-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 40px 0;
}

.transceivers-page-number,
.transceivers-page-arrow {
  width: 56px;
  height: 56px;
  border: none;
  background: transparent;
  border-radius: 100px;
  color: #142344;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: "Manrope Variable", "Manrope", "Montserrat", "Inter", "Segoe UI", Arial, sans-serif;
}

.transceivers-page-number {
  position: relative;
  overflow: hidden;
  font-weight: 500;
  font-variation-settings: "wght" 500;
  transition: color 0.25s ease, background 0.25s ease;
  z-index: 1;
  isolation: isolate;
}

.transceivers-page-number::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 100px;
  background: radial-gradient(circle at 50% 50%, rgba(231, 234, 238, 0.98) 0%, rgba(208, 211, 217, 0.98) 100%);
  opacity: 0;
  transition: opacity 0.25s ease;
  z-index: 0;
}

.transceivers-page-number:hover::before {
  opacity: 1;
}

.transceivers-page-number span {
  position: relative;
  z-index: 2;
}

.transceivers-page-number.is-active {
  background: linear-gradient(90deg, #23d972 0%, #0fa3a3 100%);
  color: #ffffff;
}

.transceivers-page-number.is-active::before {
  opacity: 0;
}

.transceivers-page-arrow {
  gap: 2px;
}

.transceivers-page-arrow span {
  width: 10px;
  height: 10px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(45deg);
}

/* 箭头 hover：箭头变绿，无背景 */
.transceivers-page-arrow:not(.transceivers-page-arrow--muted) {
  transition: color 0.25s ease;
}

.transceivers-page-arrow:not(.transceivers-page-arrow--muted):hover {
  color: #23d972;
}

/* 置灰（第一页左箭头灰，最后一页右箭头灰） */
.transceivers-page-arrow--muted {
  color: #c8ced9;
  cursor: default;
  pointer-events: none;
}

.transceivers-page-arrow:first-child,
.transceivers-page-arrow:nth-child(2) {
  transform: rotate(180deg);
}

.transceivers-intro-section {
  background: #f0f2f5;
  padding: 160px 0;
}

.transceivers-intro-inner {
  width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 80px;
}

.transceivers-intro-copy,
.transceivers-intro-image-wrap {
  flex: 1 1 0;
}

.transceivers-intro-copy {
  display: flex;
  flex-direction: column;
  gap: 20px;
  color: #042959;
  font-family: "Manrope Variable", "Manrope", Arial, sans-serif;
  font-style: normal;
  font-synthesis: none;
}

.transceivers-intro-title {
  margin: 0;
  line-height: 1.3;
  font-family: "Manrope Variable", "Manrope", Arial, sans-serif;
  font-weight: 400;
  font-variation-settings: "wght" 400;
}

.transceivers-intro-text {
  margin: 0;
  line-height: 1.6;
  font-family: "Manrope Variable", "Manrope", Arial, sans-serif;
  font-weight: 400;
  font-variation-settings: "wght" 400;
}

.transceivers-intro-image-wrap {
  height: 510px;
  overflow: hidden;
  border-radius: 4px;
}

.transceivers-intro-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

@media screen and (max-width: 768px) {
  .transceivers-hero {
    height: auto;
    min-height: 320px;
    padding-bottom: 32px;
  }

  .transceivers-hero-inner,
  .transceivers-layout,
  .transceivers-intro-inner {
    width: calc(100% - 32px);
    max-width: calc(100% - 32px);
  }

  .transceivers-hero-inner {
    padding: 120px 0 32px;
  }

  .transceivers-hero-title {
    width: 100%;
    max-width: 100%;
  }

  .transceivers-hero-slogan {
    display: none;
  }

  .transceivers-hero-slogan img {
    height: auto;
  }

  .transceivers-list-section,
  .transceivers-intro-section {
    padding: 64px 0;
  }

  .transceivers-list-section.section-scroll-fade,
  .transceivers-list-section.section-scroll-fade.is-visible {
    opacity: 1;
    transform: none;
    transition: none;
    will-change: auto;
  }

  .transceivers-layout,
  .transceivers-intro-inner {
    flex-direction: column;
    gap: 32px;
  }

  .transceivers-filter {
    width: 100%;
    padding-right: 0;
    border-right: none;
    border-bottom: 1px solid #d0d3d9;
    padding-bottom: 24px;
    gap: 24px;
  }

  .transceivers-filter-title {
    font-size: 34px;
  }

  .transceivers-products {
    width: 100%;
    padding-left: 0;
    gap: 24px;
  }

  .transceivers-result-bar {
    margin-top: 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .transceivers-products-grid,
  .transceivers-filter-grid,
  .transceivers-filter-grid--factor {
    grid-template-columns: 1fr;
  }

  .transceivers-pagination {
    flex-wrap: nowrap;
    gap: 4px;
  }

  .transceivers-page-number,
  .transceivers-page-arrow {
    width: 36px;
    height: 36px;
    flex: 0 0 36px;
    font-size: 14px;
  }

  .transceivers-intro-image-wrap {
    width: 100%;
    height: auto;
  }

  .transceivers-intro-image {
    aspect-ratio: 4 / 3;
  }
}