/* ========== VH-4000C 独立作用域，避免受网站原样式影响 ========== */
.vh4000c-pro,
.vh4000c-pro * {
  box-sizing: border-box !important;
}

.vh4000c-pro {
  --vh-red: #a5232b;
  --vh-red-dark: #7f171e;
  --vh-ink: #151922;
  --vh-text: #303744;
  --vh-muted: #5f6876;
  --vh-line: #d9dde3;
  --vh-soft: #f5f1ec;
  --vh-soft-2: #f7f8fa;
  --vh-white: #ffffff;
  position: relative !important;
  width: 100% !important;
  overflow: hidden !important;
  margin: 0 !important;
  padding: 0 0 78px !important;
  color: var(--vh-text) !important;
  background: #ffffff !important;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif !important;
  font-size: 16px !important;
  line-height: 1.75 !important;
  text-align: left !important;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.vh4000c-pro * {
  opacity: 1 !important;
  visibility: visible !important;
  text-shadow: none !important;
}

.vh4000c-pro h1,
.vh4000c-pro h2,
.vh4000c-pro h3,
.vh4000c-pro h4,
.vh4000c-pro p,
.vh4000c-pro ul,
.vh4000c-pro li,
.vh4000c-pro dl,
.vh4000c-pro dt,
.vh4000c-pro dd,
.vh4000c-pro figure {
  margin: 0 !important;
  padding: 0 !important;
}

.vh4000c-pro a {
  text-decoration: none !important;
}

.vh4000c-pro img {
  display: block !important;
  width: 100% !important;
  max-width: 100% !important;
  height: auto !important;
  border: 0 !important;
}

.vh4000c-pro-container {
  width: min(1180px, calc(100% - 48px)) !important;
  margin: 0 auto !important;
}

/* ========== 首屏 ========== */
.vh4000c-pro-hero {
  position: relative !important;
  padding: 34px 0 66px !important;
  background: var(--vh-soft) !important;
  border-bottom: 1px solid #e4ded7 !important;
}

.vh4000c-pro-hero::before {
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  width: 9px !important;
  height: 100% !important;
  content: "" !important;
  background: var(--vh-red) !important;
}

.vh4000c-pro-eyebrow {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 20px !important;
  padding-bottom: 22px !important;
  border-bottom: 1px solid #cfc7bf !important;
}

.vh4000c-pro-eyebrow span,
.vh4000c-pro-eyebrow strong {
  font-size: 13px !important;
  font-weight: 900 !important;
  line-height: 1.4 !important;
  letter-spacing: .11em !important;
}

.vh4000c-pro-eyebrow span {
  color: #343943 !important;
}

.vh4000c-pro-eyebrow strong {
  color: var(--vh-red) !important;
}

.vh4000c-pro-hero-grid {
  display: grid !important;
  grid-template-columns: minmax(0, .93fr) minmax(460px, 1.07fr) !important;
  gap: 72px !important;
  align-items: center !important;
  padding-top: 62px !important;
}

.vh4000c-pro-model {
  display: inline-block !important;
  margin-bottom: 18px !important;
  color: var(--vh-red) !important;
  font-size: 18px !important;
  font-weight: 900 !important;
  line-height: 1.2 !important;
  letter-spacing: .08em !important;
}

.vh4000c-pro-hero h1 {
  max-width: 630px !important;
  color: var(--vh-ink) !important;
  font-size: clamp(38px, 5vw, 64px) !important;
  font-weight: 900 !important;
  line-height: 1.12 !important;
  letter-spacing: -.045em !important;
}

.vh4000c-pro-hero h1 em {
  display: block !important;
  margin-top: 13px !important;
  color: #3c434e !important;
  font-size: clamp(24px, 2.6vw, 34px) !important;
  font-style: normal !important;
  font-weight: 700 !important;
  line-height: 1.35 !important;
  letter-spacing: -.02em !important;
}

.vh4000c-pro-hero-intro {
  max-width: 650px !important;
  margin-top: 26px !important;
  color: #353c47 !important;
  font-size: 17px !important;
  font-weight: 500 !important;
  line-height: 1.9 !important;
}

.vh4000c-pro-spec-line {
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  margin-top: 35px !important;
  border-top: 1px solid #cfc7bf !important;
  border-bottom: 1px solid #cfc7bf !important;
}

.vh4000c-pro-spec-item {
  min-width: 0 !important;
  padding: 20px 17px 20px 0 !important;
}

.vh4000c-pro-spec-item + .vh4000c-pro-spec-item {
  padding-left: 20px !important;
  border-left: 1px solid #cfc7bf !important;
}

.vh4000c-pro-spec-item strong {
  display: block !important;
  color: var(--vh-ink) !important;
  font-size: 23px !important;
  font-weight: 900 !important;
  line-height: 1.2 !important;
}

.vh4000c-pro-spec-item span {
  display: block !important;
  margin-top: 7px !important;
  color: #5b626d !important;
  font-size: 13px !important;
  font-weight: 700 !important;
  line-height: 1.45 !important;
}

.vh4000c-pro-actions {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 13px !important;
  margin-top: 31px !important;
}

.vh4000c-pro-btn {
  display: inline-flex !important;
  min-height: 52px !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 9px !important;
  padding: 0 25px !important;
  border: 1px solid transparent !important;
  border-radius: 2px !important;
  font-size: 15px !important;
  font-weight: 900 !important;
  line-height: 1 !important;
  transition: transform .2s ease, background .2s ease, border-color .2s ease !important;
}

.vh4000c-pro-btn:hover {
  transform: translateY(-2px) !important;
}

.vh4000c-pro-btn-main {
  color: #ffffff !important;
  background: var(--vh-red) !important;
}

.vh4000c-pro-btn-main:hover {
  color: #ffffff !important;
  background: var(--vh-red-dark) !important;
}

.vh4000c-pro-btn-line {
  color: var(--vh-ink) !important;
  background: transparent !important;
  border-color: #7f858e !important;
}

.vh4000c-pro-btn-line:hover {
  color: var(--vh-red) !important;
  border-color: var(--vh-red) !important;
}

.vh4000c-pro-product-stage {
  position: relative !important;
  min-height: 530px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 58px 42px 35px !important;
  background: #ffffff !important;
  border: 1px solid #d5cec7 !important;
  box-shadow: 18px 20px 0 rgba(165, 35, 43, .08) !important;
}

.vh4000c-pro-stage-label {
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  display: inline-flex !important;
  min-height: 40px !important;
  align-items: center !important;
  padding: 0 18px !important;
  color: #ffffff !important;
  background: var(--vh-red) !important;
  font-size: 13px !important;
  font-weight: 900 !important;
  line-height: 1 !important;
  letter-spacing: .08em !important;
}

.vh4000c-pro-product-stage img {
  position: relative !important;
  z-index: 1 !important;
  object-fit: contain !important;
}

.vh4000c-pro-stage-note {
  position: absolute !important;
  right: 17px !important;
  bottom: 14px !important;
  color: #68707c !important;
  font-size: 12px !important;
  font-weight: 700 !important;
  line-height: 1.4 !important;
}

/* ========== 公共区块 ========== */
.vh4000c-pro-section {
  padding: 92px 0 !important;
  background: #ffffff !important;
}

.vh4000c-pro-section-alt {
  background: var(--vh-soft-2) !important;
  border-top: 1px solid #e4e7eb !important;
  border-bottom: 1px solid #e4e7eb !important;
}

.vh4000c-pro-section-head {
  display: grid !important;
  grid-template-columns: 250px minmax(0, 1fr) !important;
  gap: 54px !important;
  align-items: start !important;
  margin-bottom: 52px !important;
}

.vh4000c-pro-index {
  color: var(--vh-red) !important;
  font-size: 13px !important;
  font-weight: 900 !important;
  line-height: 1.3 !important;
  letter-spacing: .16em !important;
}

.vh4000c-pro-heading h2 {
  color: var(--vh-ink) !important;
  font-size: clamp(31px, 4vw, 48px) !important;
  font-weight: 900 !important;
  line-height: 1.2 !important;
  letter-spacing: -.035em !important;
}

.vh4000c-pro-heading p {
  max-width: 780px !important;
  margin-top: 18px !important;
  color: var(--vh-muted) !important;
  font-size: 16px !important;
  font-weight: 500 !important;
  line-height: 1.9 !important;
}

/* ========== 采购判断 ========== */
.vh4000c-pro-fit-grid {
  display: grid !important;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr) !important;
  gap: 68px !important;
  align-items: start !important;
}

.vh4000c-pro-fit-lead {
  position: sticky !important;
  top: 24px !important;
  padding: 34px !important;
  color: #ffffff !important;
  background: var(--vh-red) !important;
}

.vh4000c-pro-fit-lead strong {
  display: block !important;
  color: #ffffff !important;
  font-size: 27px !important;
  font-weight: 900 !important;
  line-height: 1.35 !important;
}

.vh4000c-pro-fit-lead p {
  margin-top: 19px !important;
  color: #ffffff !important;
  font-size: 15px !important;
  font-weight: 500 !important;
  line-height: 1.9 !important;
}

.vh4000c-pro-fit-list,
.vh4000c-pro-capabilities,
.vh4000c-pro-faq-list,
.vh4000c-pro-reading-list {
  border-top: 2px solid var(--vh-ink) !important;
}

.vh4000c-pro-fit-row {
  display: grid !important;
  grid-template-columns: 62px minmax(0, 1fr) !important;
  gap: 20px !important;
  padding: 27px 0 !important;
  border-bottom: 1px solid var(--vh-line) !important;
}

.vh4000c-pro-fit-no {
  color: var(--vh-red) !important;
  font-size: 16px !important;
  font-weight: 900 !important;
  line-height: 1.4 !important;
}

.vh4000c-pro-fit-row h3 {
  color: var(--vh-ink) !important;
  font-size: 20px !important;
  font-weight: 900 !important;
  line-height: 1.45 !important;
}

.vh4000c-pro-fit-row p {
  margin-top: 8px !important;
  color: #58616e !important;
  font-size: 15px !important;
  font-weight: 500 !important;
  line-height: 1.85 !important;
}

/* ========== 核心能力 ========== */
.vh4000c-pro-cap-row {
  display: grid !important;
  grid-template-columns: 84px minmax(0, 1.15fr) minmax(250px, .85fr) !important;
  gap: 32px !important;
  align-items: center !important;
  padding: 34px 0 !important;
  border-bottom: 1px solid var(--vh-line) !important;
}

.vh4000c-pro-cap-num {
  color: #a8aeb7 !important;
  font-size: 30px !important;
  font-weight: 900 !important;
  line-height: 1 !important;
}

.vh4000c-pro-cap-copy h3 {
  color: var(--vh-ink) !important;
  font-size: 23px !important;
  font-weight: 900 !important;
  line-height: 1.4 !important;
}

.vh4000c-pro-cap-copy p {
  margin-top: 9px !important;
  color: #596270 !important;
  font-size: 15px !important;
  font-weight: 500 !important;
  line-height: 1.85 !important;
}

.vh4000c-pro-cap-data {
  padding-left: 30px !important;
  border-left: 1px solid var(--vh-line) !important;
}

.vh4000c-pro-cap-data strong {
  display: block !important;
  color: var(--vh-red) !important;
  font-size: 25px !important;
  font-weight: 900 !important;
  line-height: 1.25 !important;
}

.vh4000c-pro-cap-data span {
  display: block !important;
  margin-top: 7px !important;
  color: #69717d !important;
  font-size: 13px !important;
  font-weight: 700 !important;
  line-height: 1.5 !important;
}

/* ========== 型号选择与产品视图 ========== */
.vh4000c-pro-variant-grid {
  display: grid !important;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr) !important;
  gap: 42px !important;
  align-items: stretch !important;
}

.vh4000c-pro-variant-cards {
  display: grid !important;
  gap: 16px !important;
}

.vh4000c-pro-variant-card {
  position: relative !important;
  padding: 30px !important;
  background: #ffffff !important;
  border: 1px solid #cfd4da !important;
}

.vh4000c-pro-variant-card.is-current {
  background: #fbf6f3 !important;
  border: 2px solid var(--vh-red) !important;
}

.vh4000c-pro-variant-card small {
  display: block !important;
  color: var(--vh-red) !important;
  font-size: 12px !important;
  font-weight: 900 !important;
  letter-spacing: .12em !important;
}

.vh4000c-pro-variant-card h3 {
  margin-top: 16px !important;
  color: var(--vh-ink) !important;
  font-size: 24px !important;
  font-weight: 900 !important;
  line-height: 1.4 !important;
}

.vh4000c-pro-variant-card p {
  margin-top: 10px !important;
  color: #56606d !important;
  font-size: 15px !important;
  line-height: 1.85 !important;
}

.vh4000c-pro-variant-badge {
  position: absolute !important;
  top: 0 !important;
  right: 0 !important;
  padding: 7px 10px !important;
  color: #ffffff !important;
  background: var(--vh-red) !important;
  font-size: 11px !important;
  font-weight: 900 !important;
}

.vh4000c-pro-visual-stack {
  display: grid !important;
  grid-template-columns: 1fr 1fr !important;
  gap: 12px !important;
  padding: 18px !important;
  background: #ffffff !important;
  border: 1px solid #d6dbe1 !important;
}

.vh4000c-pro-visual-stack figure {
  display: flex !important;
  min-height: 260px !important;
  align-items: center !important;
  justify-content: center !important;
  background: #fafafa !important;
  border: 1px solid #eceef1 !important;
}

.vh4000c-pro-visual-stack img {
  object-fit: contain !important;
}

.vh4000c-pro-visual-caption {
  grid-column: 1 / -1 !important;
  padding: 6px 4px 0 !important;
  color: #69717d !important;
  font-size: 12px !important;
  font-weight: 700 !important;
  line-height: 1.6 !important;
}

/* ========== 应用范围 ========== */
.vh4000c-pro-apps {
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  border-top: 1px solid #cfd4da !important;
  border-left: 1px solid #cfd4da !important;
}

.vh4000c-pro-app {
  min-height: 205px !important;
  padding: 29px !important;
  background: #ffffff !important;
  border-right: 1px solid #cfd4da !important;
  border-bottom: 1px solid #cfd4da !important;
}

.vh4000c-pro-app small {
  display: block !important;
  color: var(--vh-red) !important;
  font-size: 12px !important;
  font-weight: 900 !important;
  line-height: 1.4 !important;
  letter-spacing: .12em !important;
}

.vh4000c-pro-app h3 {
  margin-top: 18px !important;
  color: var(--vh-ink) !important;
  font-size: 20px !important;
  font-weight: 900 !important;
  line-height: 1.45 !important;
}

.vh4000c-pro-app p {
  margin-top: 11px !important;
  color: #5d6673 !important;
  font-size: 14px !important;
  font-weight: 500 !important;
  line-height: 1.8 !important;
}

/* ========== 参数：VH-4000C / VH-4000S 双型号对照 ========== */
.vh4000c-pro-compare {
  border-top: 2px solid var(--vh-ink) !important;
  border-left: 1px solid var(--vh-line) !important;
}

.vh4000c-pro-compare-head,
.vh4000c-pro-compare-row {
  display: grid !important;
  grid-template-columns: minmax(190px, .62fr) minmax(0, 1fr) minmax(0, 1fr) !important;
}

.vh4000c-pro-compare-head {
  color: #ffffff !important;
  background: var(--vh-ink) !important;
}

.vh4000c-pro-compare-head > span,
.vh4000c-pro-compare-row > span {
  min-width: 0 !important;
  padding: 17px 18px !important;
  border-right: 1px solid var(--vh-line) !important;
  border-bottom: 1px solid var(--vh-line) !important;
  font-size: 15px !important;
  line-height: 1.65 !important;
}

.vh4000c-pro-compare-head > span {
  color: #ffffff !important;
  border-color: rgba(255, 255, 255, .24) !important;
  font-weight: 900 !important;
}

.vh4000c-pro-compare-head .vh4000c-pro-compare-model-s {
  color: #ffffff !important;
  background: #262c35 !important;
}

.vh4000c-pro-compare-head .vh4000c-pro-compare-model-c {
  background: var(--vh-red) !important;
}

.vh4000c-pro-compare-head small {
  display: block !important;
  margin-top: 4px !important;
  color: #ffffff !important;
  font-size: 11px !important;
  font-weight: 700 !important;
  line-height: 1.4 !important;
}

.vh4000c-pro-compare-label {
  color: #333a45 !important;
  background: #f3f4f6 !important;
  font-weight: 800 !important;
}

.vh4000c-pro-compare-value {
  color: #171c24 !important;
  background: #ffffff !important;
  font-weight: 700 !important;
}

.vh4000c-pro-compare-value.is-current {
  background: #fff8f6 !important;
}

.vh4000c-pro-compare-row.is-difference .vh4000c-pro-compare-label {
  color: var(--vh-red) !important;
}

.vh4000c-pro-compare-row.is-difference .vh4000c-pro-compare-value {
  font-weight: 900 !important;
}

.vh4000c-pro-compare-value::before {
  display: none !important;
  content: attr(data-model) !important;
}

.vh4000c-pro-config-grid {
  display: grid !important;
  grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  gap: 20px !important;
  margin-top: 32px !important;
}

.vh4000c-pro-config {
  padding: 31px !important;
  background: var(--vh-soft) !important;
  border-top: 5px solid var(--vh-red) !important;
}

.vh4000c-pro-config h3 {
  color: var(--vh-ink) !important;
  font-size: 22px !important;
  font-weight: 900 !important;
  line-height: 1.4 !important;
}

.vh4000c-pro-config ul {
  margin-top: 19px !important;
  list-style: none !important;
}

.vh4000c-pro-config li {
  position: relative !important;
  padding: 11px 0 11px 21px !important;
  color: #39414c !important;
  font-size: 15px !important;
  font-weight: 700 !important;
  line-height: 1.6 !important;
  border-bottom: 1px solid #d8d0c8 !important;
}

.vh4000c-pro-config li::before {
  position: absolute !important;
  top: 20px !important;
  left: 0 !important;
  width: 7px !important;
  height: 7px !important;
  content: "" !important;
  background: var(--vh-red) !important;
}

.vh4000c-pro-config p {
  margin-top: 22px !important;
  color: #5f6772 !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  line-height: 1.8 !important;
}

.vh4000c-pro-config.is-current {
  background: #fff8f6 !important;
  border-top-color: var(--vh-red) !important;
}

.vh4000c-pro-config.is-alternative {
  background: #f4f6f8 !important;
  border-top-color: #4c5562 !important;
}

.vh4000c-pro-config-badge {
  display: inline-flex !important;
  min-height: 27px !important;
  align-items: center !important;
  margin-bottom: 12px !important;
  padding: 0 10px !important;
  color: #ffffff !important;
  background: var(--vh-red) !important;
  font-size: 11px !important;
  font-weight: 900 !important;
  line-height: 1 !important;
  letter-spacing: .06em !important;
}

.vh4000c-pro-config.is-alternative .vh4000c-pro-config-badge {
  background: #4c5562 !important;
}

.vh4000c-pro-parameter-note {
  margin-top: 18px !important;
  color: #606976 !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  line-height: 1.8 !important;
}

/* ========== 分子杂交仪系列内链 ========== */
.vh4000c-pro-series-topline {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 24px !important;
  margin-bottom: 24px !important;
  padding-bottom: 18px !important;
  border-bottom: 2px solid var(--vh-ink) !important;
}

.vh4000c-pro-series-topline p {
  max-width: 720px !important;
  color: #505966 !important;
  font-size: 15px !important;
  font-weight: 500 !important;
  line-height: 1.8 !important;
}

.vh4000c-pro-series-all {
  flex: 0 0 auto !important;
  color: var(--vh-red) !important;
  font-size: 14px !important;
  font-weight: 900 !important;
  line-height: 1.4 !important;
  border-bottom: 1px solid currentColor !important;
}

.vh4000c-pro-series-grid {
  display: grid !important;
  grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
  gap: 18px !important;
}

.vh4000c-pro-series-card {
  position: relative !important;
  display: flex !important;
  min-height: 280px !important;
  flex-direction: column !important;
  padding: 30px !important;
  color: var(--vh-ink) !important;
  background: #ffffff !important;
  border: 1px solid #cfd4da !important;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease !important;
}

.vh4000c-pro-series-card:hover {
  color: var(--vh-ink) !important;
  border-color: var(--vh-red) !important;
  box-shadow: 0 14px 32px rgba(18, 24, 33, .08) !important;
  transform: translateY(-4px) !important;
}

.vh4000c-pro-series-card.is-current {
  background: #fbf6f3 !important;
  border: 2px solid var(--vh-red) !important;
}

.vh4000c-pro-series-tag {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 16px !important;
  color: var(--vh-red) !important;
  font-size: 12px !important;
  font-weight: 900 !important;
  line-height: 1.4 !important;
  letter-spacing: .1em !important;
}

.vh4000c-pro-series-tag em {
  padding: 5px 8px !important;
  color: #ffffff !important;
  background: var(--vh-red) !important;
  font-style: normal !important;
  font-size: 11px !important;
  letter-spacing: 0 !important;
}

.vh4000c-pro-series-card h3 {
  margin-top: 24px !important;
  color: var(--vh-ink) !important;
  font-size: 25px !important;
  font-weight: 900 !important;
  line-height: 1.35 !important;
}

.vh4000c-pro-series-card p {
  margin-top: 13px !important;
  color: #515b68 !important;
  font-size: 14px !important;
  font-weight: 500 !important;
  line-height: 1.85 !important;
}

.vh4000c-pro-series-link {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 12px !important;
  margin-top: auto !important;
  padding-top: 24px !important;
  color: var(--vh-red) !important;
  font-size: 14px !important;
  font-weight: 900 !important;
  line-height: 1.4 !important;
}

.vh4000c-pro-series-link::after {
  content: "→" !important;
  font-size: 20px !important;
  line-height: 1 !important;
}

/* ========== FAQ ========== */
.vh4000c-pro-faq-item {
  padding: 26px 0 !important;
  border-bottom: 1px solid var(--vh-line) !important;
}

.vh4000c-pro-faq-item h3 {
  color: var(--vh-ink) !important;
  font-size: 20px !important;
  font-weight: 900 !important;
  line-height: 1.5 !important;
}

.vh4000c-pro-faq-item p {
  margin-top: 9px !important;
  color: #58616e !important;
  font-size: 15px !important;
  font-weight: 500 !important;
  line-height: 1.9 !important;
}

/* ========== 相关阅读 ========== */
.vh4000c-pro-reading-item {
  display: grid !important;
  grid-template-columns: 132px minmax(0, 1fr) 38px !important;
  gap: 28px !important;
  align-items: center !important;
  padding: 26px 0 !important;
  color: var(--vh-ink) !important;
  border-bottom: 1px solid var(--vh-line) !important;
  transition: padding-left .2s ease, color .2s ease !important;
}

.vh4000c-pro-reading-item:hover {
  padding-left: 10px !important;
  color: var(--vh-red) !important;
}

.vh4000c-pro-reading-type {
  color: var(--vh-red) !important;
  font-size: 12px !important;
  font-weight: 900 !important;
  line-height: 1.4 !important;
  letter-spacing: .1em !important;
}

.vh4000c-pro-reading-copy h3 {
  color: inherit !important;
  font-size: 20px !important;
  font-weight: 900 !important;
  line-height: 1.45 !important;
}

.vh4000c-pro-reading-copy p {
  margin-top: 7px !important;
  color: #5b6572 !important;
  font-size: 14px !important;
  font-weight: 500 !important;
  line-height: 1.75 !important;
}

.vh4000c-pro-reading-arrow {
  color: var(--vh-red) !important;
  font-size: 24px !important;
  font-weight: 700 !important;
  line-height: 1 !important;
  text-align: right !important;
}

/* ========== 品牌与咨询 ========== */
.vh4000c-pro-brand {
  display: grid !important;
  grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr) !important;
  gap: 70px !important;
  align-items: start !important;
}

.vh4000c-pro-brand h2 {
  color: var(--vh-ink) !important;
  font-size: clamp(30px, 4vw, 46px) !important;
  font-weight: 900 !important;
  line-height: 1.2 !important;
  letter-spacing: -.035em !important;
}

.vh4000c-pro-brand-copy p {
  color: #515a67 !important;
  font-size: 16px !important;
  font-weight: 500 !important;
  line-height: 1.95 !important;
}

.vh4000c-pro-contact {
  padding: 74px 0 !important;
  background: #181c23 !important;
}

.vh4000c-pro-contact-grid {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) auto !important;
  gap: 52px !important;
  align-items: center !important;
}

.vh4000c-pro-contact h2 {
  color: #ffffff !important;
  font-size: clamp(30px, 4vw, 48px) !important;
  font-weight: 900 !important;
  line-height: 1.25 !important;
  letter-spacing: -.03em !important;
}

.vh4000c-pro-contact p {
  max-width: 760px !important;
  margin-top: 15px !important;
  color: #d8dce2 !important;
  font-size: 16px !important;
  font-weight: 500 !important;
  line-height: 1.85 !important;
}

.vh4000c-pro-contact-actions {
  display: flex !important;
  flex-direction: column !important;
  gap: 12px !important;
  min-width: 240px !important;
}

.vh4000c-pro-contact-actions .vh4000c-pro-btn {
  width: 100% !important;
}

.vh4000c-pro-contact-actions .vh4000c-pro-btn-line {
  color: #ffffff !important;
  border-color: #8a909a !important;
}

.vh4000c-pro-contact-actions .vh4000c-pro-btn-line:hover {
  color: #ffffff !important;
  border-color: #ffffff !important;
}

.vh4000c-pro-mobile-bar {
  display: none !important;
}

@media (max-width: 1024px) {
  .vh4000c-pro-hero-grid,
  .vh4000c-pro-fit-grid,
  .vh4000c-pro-variant-grid,
  .vh4000c-pro-parameter-wrap,
  .vh4000c-pro-brand {
    grid-template-columns: 1fr !important;
  }

  .vh4000c-pro-hero-grid {
    gap: 46px !important;
  }

  .vh4000c-pro-product-stage {
    min-height: 440px !important;
  }

  .vh4000c-pro-fit-lead {
    position: relative !important;
    top: auto !important;
  }

  .vh4000c-pro-apps {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .vh4000c-pro-series-grid {
    grid-template-columns: 1fr !important;
  }

  .vh4000c-pro-series-card {
    min-height: 0 !important;
  }

  .vh4000c-pro-contact-grid {
    grid-template-columns: 1fr !important;
  }

  .vh4000c-pro-contact-actions {
    flex-direction: row !important;
    min-width: 0 !important;
  }

  .vh4000c-pro-contact-actions .vh4000c-pro-btn {
    width: auto !important;
  }
}

@media (max-width: 760px) {
  .vh4000c-pro {
    padding-bottom: 66px !important;
    font-size: 15px !important;
  }

  .vh4000c-pro-container {
    width: min(100% - 28px, 1180px) !important;
  }

  .vh4000c-pro-hero {
    padding: 22px 0 42px !important;
  }

  .vh4000c-pro-hero::before {
    width: 5px !important;
  }

  .vh4000c-pro-eyebrow {
    align-items: flex-start !important;
    padding-bottom: 15px !important;
  }

  .vh4000c-pro-eyebrow span,
  .vh4000c-pro-eyebrow strong {
    font-size: 11px !important;
  }

  .vh4000c-pro-hero-grid {
    gap: 35px !important;
    padding-top: 37px !important;
  }

  .vh4000c-pro-model {
    margin-bottom: 12px !important;
    font-size: 15px !important;
  }

  .vh4000c-pro-hero h1 {
    font-size: 38px !important;
    line-height: 1.16 !important;
  }

  .vh4000c-pro-hero h1 em {
    margin-top: 10px !important;
    font-size: 23px !important;
  }

  .vh4000c-pro-hero-intro {
    margin-top: 20px !important;
    font-size: 16px !important;
    line-height: 1.82 !important;
  }

  .vh4000c-pro-spec-line {
    grid-template-columns: 1fr !important;
    margin-top: 27px !important;
  }

  .vh4000c-pro-spec-item,
  .vh4000c-pro-spec-item + .vh4000c-pro-spec-item {
    padding: 15px 0 !important;
    border-left: 0 !important;
  }

  .vh4000c-pro-spec-item + .vh4000c-pro-spec-item {
    border-top: 1px solid #cfc7bf !important;
  }

  .vh4000c-pro-actions,
  .vh4000c-pro-contact-actions {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 9px !important;
  }

  .vh4000c-pro-btn {
    min-height: 48px !important;
    padding: 0 14px !important;
    font-size: 14px !important;
  }

  .vh4000c-pro-product-stage {
    min-height: 0 !important;
    padding: 52px 18px 28px !important;
    box-shadow: 10px 12px 0 rgba(165, 35, 43, .08) !important;
  }

  .vh4000c-pro-stage-label {
    min-height: 34px !important;
    padding: 0 13px !important;
    font-size: 11px !important;
  }

  .vh4000c-pro-stage-note {
    display: none !important;
  }

  .vh4000c-pro-section {
    padding: 64px 0 !important;
  }

  .vh4000c-pro-section-head {
    grid-template-columns: 1fr !important;
    gap: 13px !important;
    margin-bottom: 35px !important;
  }

  .vh4000c-pro-heading h2,
  .vh4000c-pro-brand h2,
  .vh4000c-pro-contact h2 {
    font-size: 31px !important;
  }

  .vh4000c-pro-heading p {
    margin-top: 13px !important;
    font-size: 15px !important;
    line-height: 1.82 !important;
  }

  .vh4000c-pro-fit-grid {
    gap: 31px !important;
  }

  .vh4000c-pro-fit-lead {
    padding: 25px !important;
  }

  .vh4000c-pro-fit-lead strong {
    font-size: 23px !important;
  }

  .vh4000c-pro-fit-row {
    grid-template-columns: 43px minmax(0, 1fr) !important;
    gap: 13px !important;
    padding: 22px 0 !important;
  }

  .vh4000c-pro-fit-row h3 {
    font-size: 18px !important;
  }

  .vh4000c-pro-cap-row {
    grid-template-columns: 42px minmax(0, 1fr) !important;
    gap: 12px !important;
    padding: 25px 0 !important;
  }

  .vh4000c-pro-cap-num {
    font-size: 21px !important;
  }

  .vh4000c-pro-cap-copy h3 {
    font-size: 19px !important;
  }

  .vh4000c-pro-cap-data {
    grid-column: 2 !important;
    margin-top: 4px !important;
    padding: 15px 0 0 !important;
    border-top: 1px dashed #cfd4da !important;
    border-left: 0 !important;
  }

  .vh4000c-pro-cap-data strong {
    font-size: 22px !important;
  }

  .vh4000c-pro-visual-stack {
    grid-template-columns: 1fr !important;
  }

  .vh4000c-pro-visual-stack figure {
    min-height: 0 !important;
  }

  .vh4000c-pro-visual-caption {
    grid-column: auto !important;
  }

  .vh4000c-pro-apps {
    grid-template-columns: 1fr !important;
  }

  .vh4000c-pro-app {
    min-height: 0 !important;
    padding: 24px !important;
  }

  .vh4000c-pro-parameter-wrap {
    gap: 30px !important;
  }

  .vh4000c-pro-parameter-row {
    grid-template-columns: 1fr !important;
  }

  .vh4000c-pro-parameter-row dt,
  .vh4000c-pro-parameter-row dd {
    padding: 13px 15px !important;
  }

  .vh4000c-pro-parameter-row dd {
    border-left: 0 !important;
  }

  .vh4000c-pro-config {
    padding: 24px !important;
  }

  .vh4000c-pro-compare-head {
    grid-template-columns: 1fr 1fr !important;
  }

  .vh4000c-pro-compare-head > span:first-child {
    display: none !important;
  }

  .vh4000c-pro-compare-row {
    grid-template-columns: 1fr !important;
    border-bottom: 8px solid #eef0f3 !important;
  }

  .vh4000c-pro-compare-row > span {
    border-bottom: 1px solid var(--vh-line) !important;
  }

  .vh4000c-pro-compare-label {
    color: var(--vh-ink) !important;
    background: #e9ecf0 !important;
  }

  .vh4000c-pro-compare-value {
    position: relative !important;
    padding-left: 116px !important;
  }

  .vh4000c-pro-compare-value::before {
    position: absolute !important;
    top: 17px !important;
    left: 16px !important;
    display: block !important;
    color: var(--vh-red) !important;
    font-size: 12px !important;
    font-weight: 900 !important;
    line-height: 1.5 !important;
  }

  .vh4000c-pro-config-grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
    margin-top: 24px !important;
  }

  .vh4000c-pro-brand {
    gap: 22px !important;
  }

  .vh4000c-pro-series-topline {
    display: block !important;
    margin-bottom: 18px !important;
  }

  .vh4000c-pro-series-all {
    display: inline-block !important;
    margin-top: 13px !important;
  }

  .vh4000c-pro-series-grid {
    gap: 12px !important;
  }

  .vh4000c-pro-series-card {
    padding: 23px !important;
  }

  .vh4000c-pro-series-card h3 {
    margin-top: 18px !important;
    font-size: 21px !important;
  }

  .vh4000c-pro-reading-item {
    grid-template-columns: 1fr 28px !important;
    gap: 12px !important;
    padding: 22px 0 !important;
  }

  .vh4000c-pro-reading-type {
    grid-column: 1 / -1 !important;
  }

  .vh4000c-pro-reading-copy h3 {
    font-size: 18px !important;
  }

  .vh4000c-pro-reading-copy p {
    font-size: 13px !important;
  }

  .vh4000c-pro-contact {
    padding: 56px 0 !important;
  }

  .vh4000c-pro-mobile-bar {
    position: fixed !important;
    z-index: 9999 !important;
    right: 0 !important;
    bottom: 0 !important;
    left: 0 !important;
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    padding: 8px !important;
    background: rgba(255, 255, 255, .98) !important;
    border-top: 1px solid #d8dce2 !important;
    box-shadow: 0 -8px 24px rgba(15, 23, 42, .10) !important;
  }

  .vh4000c-pro-mobile-bar a {
    display: flex !important;
    min-height: 47px !important;
    align-items: center !important;
    justify-content: center !important;
    color: var(--vh-ink) !important;
    background: #ffffff !important;
    border: 1px solid #b9bec7 !important;
    font-size: 14px !important;
    font-weight: 900 !important;
    line-height: 1 !important;
  }

  .vh4000c-pro-mobile-bar a:last-child {
    color: #ffffff !important;
    background: var(--vh-red) !important;
    border-color: var(--vh-red) !important;
  }
}