html {
  overflow-x: hidden;
}
.bare-fiber-page {
  --bare-primary: #1664ff;
  --bare-primary-dark: #0c4fd8;
  --bare-title: #1d2129;
  --bare-text: #4e5969;
  --bare-muted: #717883;
  --bare-line: #dfe7f3;
  --bare-soft: #f5f8ff;
  --bare-section: #f1f6ff;
  --bare-card-shadow: 0 18px 42px rgba(22, 73, 142, 0.12);
  --bare-card-shadow-hover: 0 24px 56px rgba(22, 100, 255, 0.18);
  --bare-font: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  width: 100%;
  margin: 0 auto;
  overflow: hidden;
  color: var(--bare-title);
  font-family: var(--bare-font);
  background: #ffffff;
}
.bare-fiber-page *,
.bare-fiber-page *::before,
.bare-fiber-page *::after {
  box-sizing: border-box;
}
.bare-fiber-page img {
  display: block;
  max-width: 100%;
}
.bare-fiber-page button {
  font: inherit;
}
.bare-fiber-frame {
  width: 100%;
  height: auto;
}
.bare-fiber-container {
  width: min(1360px, calc(100% - 48px));
  margin: 0 auto;
}
.bare-fiber-section {
  padding: 60px 0;
}
.bare-fiber-heading {
  max-width: 1050px;
  margin: 0 auto 34px;
  text-align: center;
}
.bare-fiber-heading__title {
  margin: 0;
  color: var(--bare-title);
  font-size: 27px;
  font-weight: 700;
  line-height: 38px;
}
.bare-fiber-heading__subtitle {
  margin: 14px 0 0;
  color: var(--bare-muted);
  font-size: 16px;
  line-height: 28px;
}
.bare-fiber-heading--light .bare-fiber-heading__title,
.bare-fiber-heading--light .bare-fiber-heading__subtitle {
  color: #ffffff;
}
.bare-fiber-heading--light .bare-fiber-heading__subtitle {
  opacity: 0.9;
}
.bare-fiber-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 128px;
  min-height: 48px;
  padding: 0 30px;
  border: 1px solid transparent;
  border-radius: 5px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  transition: background 0.22s ease, color 0.22s ease, border-color 0.22s ease, transform 0.22s ease, box-shadow 0.22s ease;
}
.bare-fiber-button:hover,
.bare-fiber-button:focus {
  outline: none;
  transform: translateY(-2px);
}
.bare-fiber-button--primary {
  color: #ffffff;
  background: var(--bare-primary);
  box-shadow: 0 10px 20px rgba(22, 100, 255, 0.16);
}
.bare-fiber-button--primary:hover,
.bare-fiber-button--primary:focus {
  background: var(--bare-primary-dark);
}
.bare-fiber-page .bare-fiber-button--ghost {
  min-width: 230px;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.72);
  background: transparent;
}
.bare-fiber-page .bare-fiber-button--ghost:hover,
.bare-fiber-page .bare-fiber-button--ghost:focus {
  color: var(--bare-primary);
  border-color: #ffffff;
  background: #ffffff;
}
.bare-fiber-hero {
  min-height: 500px;
  background: #e8f2ff url("/img/v2026/sdwan/barefiber/banner.jpg") center top / cover no-repeat;
}
.bare-fiber-hero__inner {
  display: flex;
  align-items: center;
  width: min(1360px, calc(100% - 48px));
  min-height: 500px;
  margin: 0 auto;
}
.bare-fiber-hero__content {
  width: 620px;
  padding: 4px 0 0;
}
.bare-fiber-hero__title {
  margin: 0 0 22px;
  color: var(--bare-title);
  font-size: 48px;
  font-weight: 700;
  line-height: 62px;
}
.bare-fiber-hero__text {
  max-width: 650px;
  margin: 0 0 34px;
  color: #2f3745;
  font-size: 18px;
  line-height: 32px;
}
.bare-fiber-hero .bare-fiber-button {
  min-width: 230px;
}
.bare-fiber-hero .bare-fiber-button--primary {
  color: #ffffff;
  background: var(--bare-primary);
}
.bare-fiber-overview {
  padding: 78px 0 74px;
  background: #ffffff;
}
.bare-fiber-overview .bare-fiber-heading {
  margin-bottom: 32px;
}
.bare-fiber-overview__media {
  display: flex;
  justify-content: center;
  margin: 0;
}
.bare-fiber-overview__media img {
  width: 657px;
  height: auto;
}
.bare-fiber-features {
  padding: 72px 0 84px;
  background: #f2f6ff;
}
.bare-fiber-feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  padding: 0;
  overflow: visible;
}
.bare-fiber-feature-card {
  position: relative;
  min-height: 258px;
  padding: 28px 28px 26px;
  border: 1px solid #e9eef6;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 10px 28px rgba(39, 72, 121, 0.05);
  overflow: visible;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.bare-fiber-feature-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 58px;
  border-radius: 0 4px 4px 0;
  background: var(--bare-primary);
  opacity: 0;
  transition: opacity 0.2s ease;
}
.bare-fiber-feature-card:hover,
.bare-fiber-feature-card:focus-within {
  border-color: #b8ceff;
  box-shadow: var(--bare-card-shadow-hover);
  transform: translateY(-4px);
}
.bare-fiber-feature-card:hover::after,
.bare-fiber-feature-card:focus-within::after {
  opacity: 1;
}
.bare-fiber-feature-card__icon {
  display: block;
  width: 64px;
  height: 64px;
  margin-bottom: 10px;
  aspect-ratio: 1 / 1;
  object-fit: contain;
}
.bare-fiber-feature-card__title {
  margin: 0;
  color: var(--bare-title);
  font-size: 20px;
  font-weight: 700;
  line-height: 30px;
}
.bare-fiber-feature-card__text {
  margin: 10px 0 0;
  color: var(--bare-text);
  font-size: 14px;
  line-height: 24px;
}
.bare-fiber-feature-card__action {
  position: absolute;
  right: 24px;
  top: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 96px;
  height: 40px;
  border-radius: 6px;
  background: var(--bare-primary);
  color: #ffffff;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  opacity: 0;
  box-shadow: 0 10px 20px rgba(22, 100, 255, 0.24);
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease, background 0.2s ease;
  pointer-events: none;
}
.bare-fiber-page .bare-fiber-feature-card__action {
  color: #ffffff;
}
.bare-fiber-feature-card:hover .bare-fiber-feature-card__action,
.bare-fiber-feature-card:focus-within .bare-fiber-feature-card__action {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.bare-fiber-feature-card__action:hover,
.bare-fiber-feature-card__action:focus {
  background: #0b56d9;
  outline: none;
}
.bare-fiber-choice {
  position: relative;
  isolation: isolate;
  padding: 70px 0 76px;
  overflow: hidden;
  background: linear-gradient(120deg, #1664ff 0%, #1f6bf2 52%, #0d58db 100%);
}
.bare-fiber-choice::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: -1;
  background: radial-gradient(circle at 72% 18%, rgba(255, 255, 255, 0.18), transparent 20%), linear-gradient(90deg, rgba(13, 79, 216, 0.2), rgba(255, 255, 255, 0));
}
.bare-fiber-choice::after {
  content: "";
  position: absolute;
  right: 232px;
  top: 22px;
  z-index: -1;
  width: 240px;
  height: 240px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(255, 255, 255, 0.03);
}
.bare-fiber-choice__cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  margin-top: 38px;
}
.bare-fiber-choice-card {
  min-height: 182px;
  padding: 28px 25px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  color: var(--bare-title);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 16px 34px rgba(10, 56, 150, 0.18);
  backdrop-filter: blur(10px);
  transition: border-color 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease, background 0.22s ease;
}
.bare-fiber-choice-card:hover,
.bare-fiber-choice-card:focus-within {
  border-color: rgba(255, 255, 255, 0.7);
  background: #ffffff;
  box-shadow: 0 22px 44px rgba(10, 56, 150, 0.24);
  transform: translateY(-5px);
}
.bare-fiber-choice-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  margin-bottom: 16px;
  overflow: hidden;
  border-radius: 14px;
  background: #eef5ff;
}
.bare-fiber-choice-card__icon img {
  width: 58px;
  height: 58px;
  object-fit: contain;
}
.bare-fiber-choice-card__title {
  margin: 0 0 9px;
  font-size: 20px;
  font-weight: 700;
  line-height: 28px;
}
.bare-fiber-choice-card__text {
  margin: 0;
  color: var(--bare-text);
  font-size: 14px;
  line-height: 24px;
}
.bare-fiber-choice__actions {
  margin-top: 38px;
  text-align: center;
}
.bare-fiber-scenes {
  padding: 70px 0 76px;
  background: #f4f7fc;
}
.bare-fiber-scene-slider {
  position: relative;
  padding: 0;
  overflow: visible;
  background: transparent;
}
.bare-fiber-scene-slider__viewport {
  overflow: hidden;
  border-radius: 16px;
}
.bare-fiber-scene-slider__track {
  display: flex;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}
.bare-fiber-scene-card {
  display: grid;
  flex: 0 0 100%;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: stretch;
  overflow: hidden;
  height: 340px;
  border: 0;
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 16px 38px rgba(26, 63, 112, 0.08);
}
.bare-fiber-scene-card:hover,
.bare-fiber-scene-card:focus-within {
  box-shadow: 0 18px 42px rgba(26, 63, 112, 0.1);
  transform: none;
}
.bare-fiber-scene-card__image {
  display: block;
  overflow: hidden;
  order: 2;
  margin: 0;
  background: #edf5ff;
}
.bare-fiber-scene-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.bare-fiber-scene-card__body {
  display: flex;
  min-width: 0;
  order: 1;
  padding: 46px 64px 42px;
  flex-direction: column;
  justify-content: center;
  background: #ffffff;
}
.bare-fiber-scene-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 62px;
  height: 62px;
  margin-bottom: 24px;
  overflow: hidden;
  border-radius: 12px;
  background: #f3f7ff;
}
.bare-fiber-scene-card__icon img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}
.bare-fiber-scene-card__title {
  margin: 0;
  color: var(--bare-title);
  font-size: 26px;
  font-weight: 700;
  line-height: 36px;
}
.bare-fiber-scene-card__text {
  max-width: 620px;
  margin: 14px 0 0;
  color: var(--bare-text);
  font-size: 16px;
  line-height: 30px;
}
.bare-fiber-scene-slider__arrow {
  position: absolute;
  top: 50%;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: #1d2129;
  background: #ffffff;
  box-shadow: 0 10px 28px rgba(29, 33, 41, 0.06);
  cursor: pointer;
  transform: translateY(-50%);
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.bare-fiber-scene-slider__arrow:hover,
.bare-fiber-scene-slider__arrow:focus {
  color: #1664ff;
  background: #ebf3ff;
  box-shadow: 0 16px 34px rgba(22, 100, 255, 0.12);
  outline: none;
  transform: translateY(-50%) scale(1.04);
}
.bare-fiber-scene-slider__arrow--prev {
  left: -24px;
}
.bare-fiber-scene-slider__arrow--next {
  right: -24px;
}
/* 移动端隐藏箭头、显示圆点 */
@media (max-width: 767px) {
  .bare-fiber-scene-slider__arrow {
    display: none;
  }
}
.bare-fiber-scene-slider__dots {
  display: none;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
}
@media (max-width: 767px) {
  .bare-fiber-scene-slider__dots {
    display: flex;
  }
}
.bare-fiber-scene-slider__dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #c4d5f0;
  cursor: pointer;
  transition: background 0.28s ease, transform 0.28s ease;
}
.bare-fiber-scene-slider__dot--active {
  width: 24px;
  border-radius: 4px;
  background: #1664ff;
}
.bare-fiber-process {
  padding: 120px 0 112px;
  background: #ffffff;
}
.bare-fiber-process .bare-fiber-heading {
  margin-bottom: 45px;
}
.bare-fiber-process .bare-fiber-heading__title {
  color: var(--bare-title);
}
.bare-fiber-process__list {
  display: grid;
  grid-template-columns: 2.55fr 1fr 1fr 1fr 1fr 1fr;
  width: 100%;
  min-height: 168px;
  border: 0;
  border-radius: 8px;
  overflow: visible;
  background: transparent;
  box-shadow: 0 20px 46px rgba(22, 100, 255, 0.14);
  transition: grid-template-columns 0.46s cubic-bezier(0.22, 1, 0.36, 1);
}
.bare-fiber-process-card {
  position: relative;
  isolation: isolate;
  display: flex;
  min-width: 0;
  min-height: 168px;
  padding: 24px 28px 78px;
  flex-direction: column;
  justify-content: flex-start;
  border-right: 1px solid rgba(255, 255, 255, 0.24);
  color: #ffffff;
  background: #1664ff;
  cursor: pointer;
  outline: none;
  transition: background 0.32s ease, box-shadow 0.32s ease;
}
.bare-fiber-process-card:last-child {
  border-right: 0;
}
@media (min-width: 1025px) {
  .bare-fiber-process-card:not(.bare-fiber-process-card--active) {
    padding-top: 74px;
    padding-bottom: 28px;
  }
}
.bare-fiber-process-card--active {
  justify-content: flex-start;
  background: #ffffff;
  color: var(--bare-title);
  box-shadow: 0 26px 54px rgba(5, 43, 130, 0.18);
  overflow: hidden;
}
.bare-fiber-process-card__image {
  position: absolute;
  right: 24px;
  bottom: 8px;
  z-index: 0;
  width: 150px;
  height: 126px;
  object-fit: contain;
  opacity: 0.82;
  filter: none;
  transform: translateY(8px) scale(0.58);
  transition: opacity 0.32s ease, transform 0.42s cubic-bezier(0.22, 1, 0.36, 1), filter 0.32s ease;
}
.bare-fiber-process-card__number,
.bare-fiber-process-card__title,
.bare-fiber-process-card__text {
  position: relative;
  z-index: 1;
}
.bare-fiber-process-card--active .bare-fiber-process-card__image {
  opacity: 0.86;
  filter: none;
  transform: translateY(0) scale(0.82);
}
.bare-fiber-process-card__number {
  display: block;
  color: rgba(255, 255, 255, 0.86);
  font-size: 18px;
  font-weight: 700;
  line-height: 24px;
}
.bare-fiber-process-card--active .bare-fiber-process-card__number {
  color: var(--bare-primary);
}
.bare-fiber-process-card__title {
  margin: 12px 0 0;
  color: #ffffff;
  font-size: 20px;
  font-weight: 700;
  line-height: 28px;
  transition: color 0.22s ease;
}
.bare-fiber-process-card--active .bare-fiber-process-card__title {
  color: var(--bare-title);
}
@media (min-width: 1025px) {
  .bare-fiber-process-card--active .bare-fiber-process-card__text {
    font-size: 16px;
  }
}
.bare-fiber-process-card__text {
  max-width: 390px;
  max-height: 104px;
  margin-top: 16px;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.86);
  font-size: 14px;
  line-height: 26px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.32s ease, visibility 0s 0.32s;
}
.bare-fiber-process-card--active .bare-fiber-process-card__text {
  color: var(--bare-text);
  opacity: 1;
  visibility: visible;
  transition: opacity 0.32s ease, visibility 0s;
}
.bare-fiber-cases {
  padding: 72px 0 90px;
  background: #eef4ff;
}
.bare-fiber-case-slider {
  position: relative;
  width: var(--viewport-client-width, 100vw);
  max-width: var(--viewport-client-width, 100vw);
  margin-left: calc((var(--viewport-client-width, 100vw) - 100%) / -2);
  padding: 26px 36px 0;
  --case-side-width: clamp(220px, 22vw, 420px);
}
.bare-fiber-case-slider__viewport {
  display: flex;
  align-items: stretch;
  gap: 24px;
  overflow: visible;
}
.bare-fiber-case-slider__track {
  display: contents;
}
.bare-fiber-case-card {
  position: relative;
  display: flex;
  flex: 0 0 var(--case-side-width);
  align-items: flex-end;
  min-height: 392px;
  overflow: hidden;
  border-radius: 8px;
  background: #17386d;
  box-shadow: 0 18px 42px rgba(16, 61, 130, 0.14);
  cursor: pointer;
  opacity: 0.72;
  transform: scale(0.96);
  transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1), transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.5s cubic-bezier(0.4, 0, 0.2, 1), flex 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.bare-fiber-case-card--active {
  order: 2;
  flex: 0 0 calc(100% - (var(--case-side-width) * 2) - 48px);
  opacity: 1;
  transform: scale(1);
  box-shadow: 0 24px 56px rgba(16, 61, 130, 0.22);
}
.bare-fiber-case-card--prev {
  order: 1;
}
.bare-fiber-case-card--next {
  order: 3;
}
.bare-fiber-case-card:not(.bare-fiber-case-card--active):not(.bare-fiber-case-card--prev):not(.bare-fiber-case-card--next) {
  display: none;
}
.bare-fiber-case-card__image {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.bare-fiber-case-card--active .bare-fiber-case-card__image {
  transform: scale(1);
}
.bare-fiber-case-card:hover .bare-fiber-case-card__image,
.bare-fiber-case-card:focus .bare-fiber-case-card__image {
  transform: scale(1.04);
}
.bare-fiber-case-card--active:hover .bare-fiber-case-card__image,
.bare-fiber-case-card--active:focus .bare-fiber-case-card__image {
  transform: scale(1.02);
}
.bare-fiber-case-card__overlay {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: linear-gradient(90deg, rgba(4, 18, 36, 0.88) 0%, rgba(8, 35, 68, 0.6) 48%, rgba(8, 35, 68, 0.16) 100%), linear-gradient(0deg, rgba(0, 0, 0, 0.26), rgba(0, 0, 0, 0.04));
}
.bare-fiber-case-card:not(.bare-fiber-case-card--active) .bare-fiber-case-card__overlay {
  opacity: 0.72;
}
.bare-fiber-case-card__content {
  position: relative;
  z-index: 1;
  max-width: 690px;
  padding: 44px;
  color: #ffffff;
  transition: padding 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.bare-fiber-case-card__icon {
  display: inline-flex;
  width: 58px;
  height: 58px;
  margin-bottom: 16px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 12px 24px rgba(5, 43, 130, 0.18);
  transition: width 0.45s cubic-bezier(0.4, 0, 0.2, 1), height 0.45s cubic-bezier(0.4, 0, 0.2, 1), margin 0.45s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s ease;
}
.bare-fiber-case-card__icon img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.bare-fiber-case-card__meta {
  margin: 0 0 10px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  line-height: 22px;
}
.bare-fiber-case-card__title {
  margin: 0;
  color: #ffffff;
  font-size: 24px;
  font-weight: 700;
  line-height: 36px;
  transition: font-size 0.5s cubic-bezier(0.4, 0, 0.2, 1), line-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.bare-fiber-case-card__text {
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 15px;
  line-height: 28px;
  overflow: hidden;
  transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), margin 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.bare-fiber-case-card__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 152px;
  min-height: 40px;
  margin-top: 24px;
  padding: 0 20px;
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: 6px;
  color: #ffffff;
  font-size: 14px;
  overflow: hidden;
  transition: color 0.22s ease, background 0.22s ease, opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), margin 0.5s cubic-bezier(0.4, 0, 0.2, 1), padding 0.5s cubic-bezier(0.4, 0, 0.2, 1), min-width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.bare-fiber-case-card__link:hover,
.bare-fiber-case-card__link:focus {
  color: var(--bare-primary);
  background: #ffffff;
  outline: none;
}
.bare-fiber-case-card:not(.bare-fiber-case-card--active) .bare-fiber-case-card__content {
  padding: 26px;
}
.bare-fiber-case-card:not(.bare-fiber-case-card--active) .bare-fiber-case-card__icon {
  width: 44px;
  height: 44px;
  margin-bottom: 12px;
  opacity: 0.96;
}
.bare-fiber-case-card:not(.bare-fiber-case-card--active) .bare-fiber-case-card__meta,
.bare-fiber-case-card:not(.bare-fiber-case-card--active) .bare-fiber-case-card__text,
.bare-fiber-case-card:not(.bare-fiber-case-card--active) .bare-fiber-case-card__link {
  max-height: 0;
  margin: 0;
  padding-top: 0;
  padding-bottom: 0;
  border-color: transparent;
  opacity: 0;
}
.bare-fiber-case-card:not(.bare-fiber-case-card--active) .bare-fiber-case-card__title {
  font-size: 18px;
  line-height: 28px;
}
.bare-fiber-case-card--active .bare-fiber-case-card__text {
  max-height: 210px;
  opacity: 1;
  transition-delay: 0.12s;
}
.bare-fiber-case-card--active .bare-fiber-case-card__link {
  max-height: 60px;
  opacity: 1;
  transition-delay: 0.22s;
}
.bare-fiber-case-slider__dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
}
@media (min-width: 1025px) {
  .bare-fiber-case-slider__dots {
    display: none;
  }
}
.bare-fiber-case-slider__dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #c4d5f0;
  cursor: pointer;
  transition: background 0.28s ease, transform 0.28s ease;
}
.bare-fiber-case-slider__dot--active {
  width: 24px;
  border-radius: 4px;
  background: #1664ff;
}
.bare-fiber-products {
  padding: 52px 0 20px;
  background: #ffffff;
}
.bare-fiber-product-heading {
  margin: 0 0 34px;
  text-align: center;
}
.bare-fiber-product-heading h2 {
  margin: 0;
  color: var(--bare-title);
  font-size: 28px;
  font-weight: 700;
  line-height: 40px;
}
.bare-fiber-product-carousel {
  position: relative;
  overflow: visible;
  min-height: 375px;
}
.bare-fiber-product-carousel__viewport {
  overflow: hidden;
  padding: 30px 0;
  margin: -30px 0;
}
.bare-fiber-product-carousel__track {
  display: flex;
  gap: 32px;
  transition: transform 0.45s cubic-bezier(0.25, 0.1, 0.25, 1);
}
.bare-fiber-product-carousel__arrow {
  position: absolute;
  top: 50%;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid #dfe7f3;
  border-radius: 50%;
  background: #ffffff;
  color: var(--bare-title);
  cursor: pointer;
  transform: translateY(-50%);
  transition: border-color 0.22s ease, background 0.22s ease, box-shadow 0.22s ease, opacity 0.22s ease;
  opacity: 0.85;
}
.bare-fiber-product-carousel__arrow:hover,
.bare-fiber-product-carousel__arrow:focus {
  border-color: var(--bare-primary);
  background: #f0f5ff;
  box-shadow: 0 4px 12px rgba(22, 100, 255, 0.15);
  outline: none;
  opacity: 1;
}
.bare-fiber-product-carousel__arrow[disabled],
.bare-fiber-product-carousel--single .bare-fiber-product-carousel__arrow {
  opacity: 0;
  pointer-events: none;
}
.bare-fiber-product-carousel__prev {
  left: -48px;
}
.bare-fiber-product-carousel__next {
  right: -48px;
}
.bare-fiber-product-card {
  position: relative;
  display: flex;
  flex-shrink: 0;
  width: calc((100% - 64px) / 3);
  min-height: 236px;
  padding: 30px 32px;
  flex-direction: column;
  align-items: flex-start;
  border: 1px solid #dfe7f3;
  border-radius: 8px;
  background: #ffffff;
  transition: border-color 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease;
}
.bare-fiber-product-card:hover,
.bare-fiber-product-card:focus {
  border-color: #b8ceff;
  box-shadow: 0 16px 38px rgba(38, 84, 140, 0.1);
  transform: translateY(-12px);
  outline: none;
}
.bare-fiber-product-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 24px;
  overflow: hidden;
  border-radius: 8px;
  background: #3965ff;
}
.bare-fiber-product-card__icon--sdwan {
  background: #3965ff;
}
.bare-fiber-product-card__icon--mpls {
  background: #ff8549;
}
.bare-fiber-product-card__icon--ipsec {
  background: #9d4de8;
}
.bare-fiber-product-card__icon--transport {
  background: #39b2ff;
}
.bare-fiber-product-card__icon img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}
.bare-fiber-product-card__title {
  margin: 0;
  color: var(--bare-title);
  font-size: 20px;
  font-weight: 700;
  line-height: 30px;
}
.bare-fiber-product-card__text {
  margin: 8px 0 0;
  color: #7b7f89;
  font-size: 16px;
  line-height: 26px;
}
.bare-fiber-product-card__action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 96px;
  max-height: 0;
  height: 40px;
  margin-top: 0;
  overflow: hidden;
  border-radius: 8px;
  background: var(--bare-primary);
  color: #ffffff;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  opacity: 0;
  box-shadow: 0 10px 20px rgba(22, 100, 255, 0.22);
  transform: translateY(8px);
  transition: max-height 0.22s ease, margin-top 0.22s ease, opacity 0.22s ease, transform 0.22s ease, background 0.22s ease;
}
.bare-fiber-product-card:hover .bare-fiber-product-card__action,
.bare-fiber-product-card:focus .bare-fiber-product-card__action {
  max-height: 40px;
  margin-top: 20px;
  opacity: 1;
  transform: translateY(0);
}
.bare-fiber-consult {
  background: #075fff;
}
.bare-fiber-consult__image {
  width: 100%;
  height: auto;
}
.bare-fiber-toast {
  position: fixed;
  left: 50%;
  bottom: 36px;
  z-index: 20;
  padding: 10px 18px;
  border-radius: 999px;
  color: #ffffff;
  background: rgba(29, 33, 41, 0.88);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 14px;
  line-height: 22px;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition: opacity 0.22s ease, transform 0.22s ease;
}
.bare-fiber-toast--visible {
  opacity: 1;
  transform: translate(-50%, 0);
}
@media (hover: none) {
  .bare-fiber-feature-card:hover {
    border-color: #e9eef6;
    box-shadow: 0 10px 28px rgba(39, 72, 121, 0.05);
    transform: translateY(0);
  }
  .bare-fiber-feature-card:hover::after {
    opacity: 0;
  }
  .bare-fiber-feature-card:hover .bare-fiber-feature-card__action {
    opacity: 0;
    transform: translateY(8px);
    pointer-events: none;
  }
}
/* ==================== 响应式 ==================== */
@media (max-width: 1200px) {
  .bare-fiber-product-carousel {
    min-height: unset;
  }
}
@media (max-width: 768px) {
  .bare-fiber-container {
    width: calc(100% - 32px);
  }
  .bare-fiber-section {
    padding: 46px 0;
  }
  .bare-fiber-heading {
    margin-bottom: 26px;
  }
  .bare-fiber-heading__title {
    font-size: 24px;
    line-height: 34px;
  }
  .bare-fiber-heading__subtitle {
    font-size: 14px;
    line-height: 24px;
  }
  .bare-fiber-hero {
    min-height: 230px;
    background-image: url("/img/v2026/sdwan/barefiber/banner-bg-m.jpg");
    background-position: center top;
  }
  .bare-fiber-hero__inner {
    width: calc(100% - 32px);
    min-height: 230px;
    align-items: flex-start;
    padding-top: 24px;
  }
  .bare-fiber-hero__content {
    width: 100%;
    min-width: 210px;
    padding: 0;
  }
  .bare-fiber-hero__title {
    margin-bottom: 8px;
    font-size: 26px;
    line-height: 34px;
  }
  .bare-fiber-hero__text {
    max-width: 100%;
    margin-bottom: 12px;
    font-size: 12px;
    line-height: 20px;
  }
  .bare-fiber-hero .bare-fiber-button {
    min-width: 112px;
    min-height: 34px;
    padding: 0 18px;
    font-size: 13px;
    line-height: 20px;
  }
  .bare-fiber-overview {
    padding-top: 48px;
  }
  .bare-fiber-overview__media img {
    width: min(100%, 657px);
  }
  .bare-fiber-feature-grid,
  .bare-fiber-choice__cards {
    grid-template-columns: 1fr;
  }
  .bare-fiber-feature-card,
  .bare-fiber-choice-card {
    min-height: 0;
    padding: 24px;
  }
  .bare-fiber-choice {
    padding: 50px 0 54px;
  }
  .bare-fiber-choice__cards {
    gap: 16px;
    margin-top: 28px;
  }
  .bare-fiber-choice__actions {
    margin-top: 26px;
  }
  .bare-fiber-scenes {
    padding: 48px 0 56px;
  }
  .bare-fiber-scene-slider {
    padding: 0;
  }
  .bare-fiber-scene-slider__viewport {
    border-radius: 12px;
  }
  .bare-fiber-scene-card {
    height: auto;
    grid-template-columns: 1fr;
    min-height: 0;
  }
  .bare-fiber-scene-card__image {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%;
    margin: 0;
    background: transparent;
    overflow: hidden;
  }
  .bare-fiber-scene-card__image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .bare-fiber-scene-card__body {
    padding: 28px 24px 32px;
  }
  .bare-fiber-scene-card__title {
    font-size: 21px;
    line-height: 30px;
  }
  .bare-fiber-scene-card__text {
    font-size: 14px;
    line-height: 25px;
  }
  .bare-fiber-scene-slider__arrow {
    top: 32%;
    width: 36px;
    height: 36px;
  }
  .bare-fiber-scene-slider__arrow--prev {
    left: 8px;
  }
  .bare-fiber-scene-slider__arrow--next {
    right: 8px;
  }
  .bare-fiber-process {
    padding: 58px 0 60px;
  }
  .bare-fiber-process__list {
    display: grid;
    grid-template-columns: 1fr;
    border-bottom: 0;
  }
  .bare-fiber-process-card,
  .bare-fiber-process-card--active {
    min-height: 120px;
    padding: 22px 20px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.24);
    background: #1664ff;
    color: #ffffff;
    box-shadow: none;
  }
  .bare-fiber-process-card__image,
  .bare-fiber-process-card--active .bare-fiber-process-card__image {
    display: none;
  }
  .bare-fiber-process-card--active {
    justify-content: center;
    overflow: visible;
  }
  .bare-fiber-process-card__text {
    max-height: 180px;
    margin-top: 12px;
    opacity: 1;
    visibility: visible;
  }
  .bare-fiber-process-card--active .bare-fiber-process-card__number {
    color: rgba(255, 255, 255, 0.86);
  }
  .bare-fiber-process-card--active .bare-fiber-process-card__title {
    color: #ffffff;
  }
  .bare-fiber-process-card--active .bare-fiber-process-card__text {
    color: rgba(255, 255, 255, 0.86);
  }
  .bare-fiber-cases {
    padding: 52px 0 62px;
  }
  .bare-fiber-case-slider {
    width: 100%;
    max-width: 100%;
    margin-left: 0;
    padding: 0;
    --case-side-width: 100%;
  }
  .bare-fiber-case-slider__viewport {
    position: relative;
    overflow: hidden;
    touch-action: pan-y pinch-zoom;
  }
  .bare-fiber-case-slider__track {
    display: flex;
    flex-wrap: nowrap;
    width: 100%;
    transition: transform 0.38s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }
  .bare-fiber-case-card,
  .bare-fiber-case-card--active,
  .bare-fiber-case-card--prev,
  .bare-fiber-case-card--next {
    position: relative;
    top: auto;
    left: auto;
    flex: 0 0 100%;
    width: 100%;
    display: flex;
    min-height: 420px;
    margin: 0;
    opacity: 1;
    order: unset;
    transform: none;
    transition: none;
  }
  .bare-fiber-case-card__content,
  .bare-fiber-case-card:not(.bare-fiber-case-card--active) .bare-fiber-case-card__content {
    padding: 28px;
  }
  .bare-fiber-case-card__meta,
  .bare-fiber-case-card__text,
  .bare-fiber-case-card__link {
    max-height: none;
    opacity: 1;
  }
  .bare-fiber-case-card__title,
  .bare-fiber-case-card:not(.bare-fiber-case-card--active) .bare-fiber-case-card__title {
    font-size: 22px;
    line-height: 32px;
  }
  .bare-fiber-case-card__text {
    font-size: 14px;
    line-height: 24px;
  }
  .bare-fiber-products {
    padding: 52px 0 58px;
  }
  .bare-fiber-product-carousel__viewport {
    padding: 18px 0;
    margin: -18px 0;
  }
  .bare-fiber-product-carousel__track {
    justify-content: flex-start;
    gap: 18px;
  }
  .bare-fiber-product-card {
    width: 100%;
    flex-basis: 100%;
    min-height: 0;
    padding: 24px;
  }
  .bare-fiber-product-card__text {
    font-size: 14px;
    line-height: 24px;
  }
  .bare-fiber-product-carousel__arrow {
    display: none;
  }
  .bare-fiber-product-carousel__dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
  }
  .bare-fiber-product-carousel__dot {
    width: 8px;
    height: 8px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: #c4d5f0;
    cursor: pointer;
    transition: background 0.28s ease, transform 0.28s ease;
  }
  .bare-fiber-product-carousel__dot--active {
    width: 24px;
    border-radius: 4px;
    background: #1664ff;
  }
  .bare-fiber-product-heading h2 {
    font-size: 24px;
    line-height: 34px;
  }
}
@media (min-width: 768px) and (max-width: 1024px) {
  .bare-fiber-container,
  .bare-fiber-hero__inner {
    width: calc(100% - 48px);
  }
  .bare-fiber-feature-grid,
  .bare-fiber-choice__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .bare-fiber-process__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .bare-fiber-process-card {
    border-bottom: 1px solid rgba(255, 255, 255, 0.36);
  }
  .bare-fiber-process-card--active {
    justify-content: center;
    overflow: visible;
  }
  .bare-fiber-process-card__image,
  .bare-fiber-process-card--active .bare-fiber-process-card__image {
    opacity: 0.82;
    transform: translateY(8px) scale(0.58);
  }
  .bare-fiber-case-slider {
    width: 100%;
    max-width: 100%;
    margin-left: 0;
    padding-left: 0;
    padding-right: 0;
    --case-side-width: 180px;
  }
  .bare-fiber-product-carousel__prev {
    left: -12px;
  }
  .bare-fiber-product-carousel__next {
    right: -12px;
  }
}