.bd-page {
  --bd-section-space: 70px;
  --bd-hero-title-size: 48px;
  --bd-hero-body-size: 18px;
  color: var(--color-text);
  overflow: hidden;
}
.bd-page *,
.bd-page *::before,
.bd-page *::after {
  box-sizing: border-box;
}
.bd-container {
  width: var(--container);
  max-width: calc(100% - 48px);
  margin: 0 auto;
}
.bd-section {
  padding: var(--bd-section-space) 0;
}
.bd-section__title {
  margin: 0 0 42px;
  color: var(--color-text);
  font-size: var(--font-size-title);
  font-weight: var(--weight-bold);
  line-height: var(--line-title);
  text-align: center;
}
.bd-button {
  display: inline-flex;
  position: relative;
  isolation: isolate;
  align-items: center;
  justify-content: center;
  width: 210px;
  height: 48px;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: var(--radius-small);
  color: #fff;
  font-size: 16px;
  line-height: 24px;
  text-decoration: none;
  transition: color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.bd-button:visited {
  color: #fff;
}
.bd-button span {
  position: relative;
  z-index: 1;
}
.bd-button::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: -48px;
  z-index: 0;
  width: calc(100% + 96px);
  border-radius: 0 48px 48px 0;
  content: "";
  transform: translateX(-110%);
  transition: transform 0.68s cubic-bezier(0.22, 0.8, 0.28, 1);
}
.bd-button:hover {
  box-shadow: 0 8px 20px rgba(21, 101, 216, 0.3);
  transform: translateY(-2px);
}
.bd-button:hover::before {
  transform: translateX(0);
}
.bd-button--gradient {
  background: linear-gradient(90deg, var(--color-primary) 0%, #6840ff 100%);
}
.bd-button--gradient::before {
  background: var(--color-primary);
}
.bd-button--outline {
  margin-top: 26px;
  border-color: rgba(255, 255, 255, 0.9);
  background: transparent;
}
.bd-button--outline::before {
  background: #fff;
}
.bd-button--outline:hover {
  color: var(--color-primary);
}
.bd-hero {
  height: 500px;
  background: #f5f9ff url("/img/v2026/solution/bigdata/banner-bg.jpg") center / cover no-repeat;
}
.bd-hero__inner {
  display: flex;
  align-items: center;
  height: 100%;
}
.bd-hero__copy {
  width: 630px;
  max-width: 56%;
}
.bd-hero h1 {
  margin: 0 0 24px;
  color: var(--color-text);
  font-size: var(--bd-hero-title-size);
  font-weight: var(--weight-bold);
  line-height: 64px;
}
.bd-hero p {
  margin: 0 0 30px;
  color: var(--color-text);
  font-size: var(--bd-hero-body-size);
  line-height: 32px;
}
.bd-hero__mobile-copy {
  display: none;
}
.bd-needs {
  background: #fff;
}
.bd-needs__layout {
  display: grid;
  grid-template-columns: 390px minmax(0, 1fr);
  gap: 62px;
  align-items: center;
}
.bd-needs__intro h2 {
  margin: 0 0 18px;
  color: var(--color-text);
  font-size: var(--font-size-title);
  font-weight: var(--weight-bold);
  line-height: var(--line-title);
}
.bd-needs__subtitle {
  margin: 0;
  color: var(--color-muted);
  font-size: 16px;
  line-height: 28px;
}
.bd-needs__button {
  margin-top: 26px;
}
.bd-needs__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.bd-need-card {
  min-height: 284px;
  padding: 28px 30px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: #fff;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}
.bd-need-card:hover {
  border-color: #bdd2ff;
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}
.bd-need-card img {
  display: block;
  width: 70px;
  height: 70px;
  border-radius: 14px;
  object-fit: contain;
}
.bd-need-card h3 {
  margin: 16px 0 8px;
  color: var(--color-text);
  font-size: var(--font-size-card-title);
  font-weight: var(--weight-bold);
  line-height: 30px;
}
.bd-need-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: var(--font-size-small);
  line-height: 24px;
}
.bd-architecture {
  background: #e9f4ff url("/img/v2026/solution/mobileoffice/bg-1.jpg") center / cover no-repeat;
}
.bd-architecture__panel {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 42px;
  align-items: center;
  padding: 42px 48px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 22px 60px rgba(18, 64, 129, 0.12);
}
.bd-architecture__copy h3 {
  margin: 0 0 18px;
  color: var(--color-text);
  font-size: 24px;
  font-weight: var(--weight-bold);
  line-height: 34px;
}
.bd-architecture__copy p {
  margin: 0 0 28px;
  color: var(--color-muted);
  font-size: 16px;
  line-height: 30px;
}
.bd-architecture__copy ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.bd-architecture__copy li {
  position: relative;
  padding-left: 20px;
  color: var(--color-text);
  font-size: 16px;
  line-height: 27px;
}
.bd-architecture__copy li::before {
  position: absolute;
  top: 10px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  content: "";
}
.bd-architecture__visual {
  min-width: 0;
  padding: 14px;
  border: 1px solid #e3eeff;
  border-radius: 14px;
  background: #fff;
}
.bd-architecture__visual img {
  display: block;
  width: 100%;
  height: auto;
}
.bd-advantages {
  background: #fff;
}
.bd-advantages__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.bd-advantage-card {
  min-height: 270px;
  padding: 32px 28px;
  border-radius: var(--radius-card);
  background: #f5f7fa;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.bd-advantage-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-5px);
}
.bd-advantage-card img {
  display: block;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  object-fit: contain;
}
.bd-advantage-card h3 {
  margin: 22px 0 10px;
  color: var(--color-text);
  font-size: var(--font-size-card-title);
  font-weight: var(--weight-bold);
  line-height: 30px;
}
.bd-advantage-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: var(--font-size-small);
  line-height: 24px;
}
.bd-partners {
  background: var(--color-soft);
}
.bd-partners__grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}
.bd-partner-card {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 148px;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: #fff;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}
.bd-partner-card:hover {
  border-color: #bdd2ff;
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}
.bd-partner-card img {
  display: block;
  max-width: 100%;
  max-height: 70px;
  width: auto;
  height: auto;
  object-fit: contain;
}
/* ==================== 响应式 ==================== */
@media (max-width: 767px) {
  .bd-page {
    --bd-section-space: 40px;
    --bd-hero-title-size: 27px;
    --bd-hero-body-size: 13px;
  }
  .bd-container {
    width: 100%;
    max-width: calc(100% - 30px);
  }
  .bd-section__title {
    margin-bottom: 28px;
    font-size: 26px;
    line-height: 36px;
  }
  .bd-button {
    width: 120px;
    height: 36px;
    font-size: 14px;
    line-height: 20px;
  }
  .bd-hero {
    height: 230px;
    background-image: url("/img/v2026/solution/bigdata/banner-bgm.jpg");
    background-position: center;
  }
  .bd-hero__copy {
    width: 100%;
    max-width: 100%;
  }
  .bd-hero h1 {
    max-width: 285px;
    margin-bottom: 6px;
    line-height: 36px;
  }
  .bd-hero p {
    max-width: 270px;
    margin-bottom: 12px;
    line-height: 20px;
  }
  .bd-hero__desktop-copy {
    display: none;
  }
  .bd-hero__mobile-copy {
    display: block;
  }
  .bd-needs__layout {
    grid-template-columns: 1fr;
    gap: 26px;
  }
  .bd-needs__intro h2 {
    margin-bottom: 18px;
    font-size: 26px;
    line-height: 36px;
  }
  .bd-needs__subtitle {
    font-size: 14px;
    line-height: 25px;
  }
  .bd-needs__button {
    display: none;
  }
  .bd-needs__grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .bd-need-card {
    display: grid;
    grid-template-columns: 56px minmax(0, 1fr);
    column-gap: 16px;
    align-items: start;
    min-height: 0;
    padding: 20px;
  }
  .bd-need-card img {
    grid-column: 1;
    grid-row: 1 / span 2;
    width: 56px;
    height: 56px;
  }
  .bd-need-card h3 {
    grid-column: 2;
    grid-row: 1;
    margin: 0 0 5px;
    font-size: 18px;
    line-height: 26px;
  }
  .bd-need-card p {
    grid-column: 2;
    grid-row: 2;
  }
  .bd-architecture__panel {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 22px;
  }
  .bd-architecture__copy h3 {
    margin-bottom: 12px;
    font-size: 20px;
    line-height: 28px;
  }
  .bd-architecture__copy p {
    margin-bottom: 20px;
    font-size: 14px;
    line-height: 25px;
  }
  .bd-architecture__copy li {
    font-size: 14px;
    line-height: 24px;
  }
  .bd-architecture__visual {
    padding: 8px;
  }
  .bd-architecture__visual img {
    width: 100%;
    max-width: 100%;
    height: auto;
  }
  .bd-advantages__grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .bd-advantage-card {
    display: grid;
    grid-template-columns: 58px minmax(0, 1fr);
    column-gap: 16px;
    align-items: start;
    min-height: 0;
    padding: 22px;
  }
  .bd-advantage-card img {
    grid-column: 1;
    grid-row: 1 / span 2;
    width: 58px;
    height: 58px;
  }
  .bd-advantage-card h3 {
    grid-column: 2;
    grid-row: 1;
    margin: 0 0 6px;
    font-size: 19px;
    line-height: 27px;
  }
  .bd-advantage-card p {
    grid-column: 2;
    grid-row: 2;
  }
  .bd-partners__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }
  .bd-partner-card {
    min-height: 100px;
    padding: 14px;
  }
  .bd-partner-card:last-child {
    grid-column: 1 / -1;
  }
  .bd-partner-card img {
    max-height: 54px;
  }
}
@media (min-width: 768px) and (max-width: 1023px) {
  .bd-needs__layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .bd-needs__grid,
  .bd-advantages__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .bd-architecture__panel {
    grid-template-columns: 1fr;
  }
  .bd-partners__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}