/* 翼光测控 — 全站样式（合并版） */
:root {
  --yg-primary: #b91c1c;
  --yg-primary-dark: #991b1b;
  --yg-primary-light: #fef2f2;
  --yg-navy: #243447;
  --yg-navy-soft: #2f4054;
  --yg-text: #334155;
  --yg-text-muted: #64748b;
  --yg-border: #e2e8f0;
  --yg-bg: #f8fafc;
  --yg-white: #ffffff;
  --yg-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --yg-shadow-hover: 0 12px 40px rgba(15, 23, 42, 0.14);
  --yg-radius: 16px;
  --yg-radius-sm: 10px;
  --yg-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── 全站交互聚焦（消除点击黑框） ── */
a,
button,
input,
select,
textarea,
[tabindex],
.btn,
.thumbnail {
  -webkit-tap-highlight-color: transparent;
}

a:focus:not(:focus-visible),
button:focus:not(:focus-visible),
input:focus:not(:focus-visible),
select:focus:not(:focus-visible),
textarea:focus:not(:focus-visible),
[tabindex]:focus:not(:focus-visible),
.btn:focus:not(:focus-visible) {
  outline: none !important;
  box-shadow: none !important;
}

a:focus-visible,
button:focus-visible,
.btn:focus-visible {
  outline: 2px solid rgba(185, 28, 28, 0.4) !important;
  outline-offset: 2px;
}

#layout-header a:focus,
#layout-header a:active,
#layout-content a:focus,
#layout-content a:active,
#layout-footer a:focus,
#layout-footer a:active,
.yg-footer a:focus,
.yg-footer a:active {
  outline: none !important;
  box-shadow: none !important;
}

#layout-header a:focus-visible,
#layout-content a:focus-visible,
#layout-footer a:focus-visible,
.yg-footer a:focus-visible {
  outline: 2px solid rgba(185, 28, 28, 0.4) !important;
  outline-offset: 2px;
}

.btn:focus,
.btn:active,
.btn.active,
.btn:active:focus,
.btn.active:focus {
  outline: none !important;
  box-shadow: none !important;
}

.btn:focus-visible {
  outline: 2px solid rgba(185, 28, 28, 0.4) !important;
  outline-offset: 2px;
}

.form-control:focus {
  border-color: #b91c1c;
  box-shadow: 0 0 0 2px rgba(185, 28, 28, 0.12) !important;
  outline: none !important;
}

a.thumbnail:focus,
a.thumbnail:active,
a.thumbnail.active {
  outline: none !important;
  box-shadow: none !important;
}

a.thumbnail:focus-visible {
  outline: 2px solid rgba(185, 28, 28, 0.4) !important;
  outline-offset: 2px;
}

.dropdown-menu > li > a:focus,
.dropdown-menu > li > a:active {
  outline: none !important;
  box-shadow: none !important;
}

.breadcrumb a:focus,
.pagination a:focus,
.pager a:focus {
  outline: none !important;
  box-shadow: none !important;
}

.breadcrumb a:focus-visible,
.pagination a:focus-visible,
.pager a:focus-visible {
  outline: 2px solid rgba(185, 28, 28, 0.4) !important;
  outline-offset: 2px;
}

#layout-header #layout-nav .nav > li > a,
#layout-header #layout-nav .navbar-header > a {
  outline: none !important;
  box-shadow: none !important;
  border: none !important;
}

#layout-header #layout-nav .nav > li > a:focus,
#layout-header #layout-nav .nav > li > a:active,
#layout-header #layout-nav .navbar-header > a:focus,
#layout-header #layout-nav .navbar-header > a:active {
  outline: none !important;
  box-shadow: none !important;
  border: none !important;
}

#layout-header #layout-nav .navbar-collapse:not(.in):not(.collapsing) .navbar-nav li > a:after {
  background: #b91c1c !important;
}

#layout-header #layout-nav .navbar-collapse:not(.in):not(.collapsing) .navbar-nav li.active > a:after,
#layout-header #layout-nav .navbar-collapse:not(.in):not(.collapsing) .navbar-nav li.active > a:hover:after,
#layout-header #layout-nav .navbar-collapse:not(.in):not(.collapsing) .navbar-nav li > a:hover:after {
  background: #b91c1c !important;
}

#layout-header #layout-nav .navbar-collapse:not(.in):not(.collapsing) .navbar-nav li > a:focus:not(:hover):after {
  width: 0 !important;
  left: 50% !important;
}

.yg-home,
.yg-home *,
.yg-home *::before,
.yg-home *::after,
.yg-products-page,
.yg-products-page *,
.yg-products-page *::before,
.yg-products-page *::after {
  box-sizing: border-box;
}

#layout-content:has(.yg-home),
#layout-content:has(.yg-products-page),
.yg-home,
.yg-products-page {
  background: var(--yg-bg);
}

#layout-content:has(.yg-home),
#layout-content:has(.yg-products-page) {
  min-height: auto !important;
}

.yg-home .container,
.yg-products-page .container {
  max-width: 1200px;
}

#layout-header {
  margin: 0;
}

#layout-header #layout-nav,
#layout-header .navbar {
  background: #fff;
  border: none;
  border-bottom: 1px solid var(--yg-border);
  margin-bottom: 0 !important;
  border-radius: 0;
}

#layout-header #layout-nav .container {
  max-width: 1200px;
}

/* 消除 header 与页面内容之间的空隙 */
#layout-header + #layout-content,
#layout-header + .yg-home,
#layout-header + .yg-products-page {
  margin-top: 0 !important;
  padding-top: 0 !important;
}

#layout-content:has(.yg-home),
#layout-content:has(.yg-products-page) {
  padding-top: 0 !important;
  margin-top: 0 !important;
}

.yg-home > .yg-hero:first-child,
.yg-products-page > .yg-pbanner:first-child {
  margin-top: 0;
}

#layout-header #layout-nav .navbar-header {
  float: left;
  min-width: 240px;
  margin-right: 16px;
  padding: 10px 24px 10px 0;
}

#layout-header #layout-nav .navbar-header > a {
  display: inline-flex !important;
  align-items: center;
  margin-top: 0 !important;
  padding: 6px 0;
  min-width: 210px;
}

#layout-header #layout-nav .navbar-header > a img {
  width: auto !important;
  height: 56px !important;
  max-width: 220px;
  object-fit: contain;
}

/* ── 导航菜单（首页加载时生效） ── */
#layout-header #layout-nav .nav > li > a {
  font-size: 16px !important;
  font-weight: 600 !important;
  padding: 18px 16px !important;
  color: #2d3748 !important;
  letter-spacing: 0.02em;
}

#layout-header #layout-nav .nav > li.active > a,
#layout-header #layout-nav .nav > li > a:hover,
#layout-header #layout-nav .nav > li > a:focus {
  color: var(--yg-primary) !important;
  background: transparent !important;
}

/* ── Hero（沉稳色） ── */
.yg-hero {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--yg-navy);
}

.yg-hero__bg {
  position: absolute;
  inset: 0;
  background: url('/storage/app/media/2026/8542221.jpg') center center / cover no-repeat;
  opacity: 0.35;
}

.yg-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    100deg,
    rgba(36, 52, 71, 0.96) 0%,
    rgba(47, 64, 84, 0.92) 50%,
    rgba(36, 52, 71, 0.85) 100%
  );
}

.yg-hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.5;
}

.yg-hero__content {
  position: relative;
  z-index: 2;
  padding: 48px 0 64px;
  max-width: 680px;
}

.yg-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  margin-bottom: 22px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 100px;
}

.yg-hero__eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--yg-primary);
}

.yg-hero__title {
  margin: 0 0 18px;
  font-size: clamp(28px, 4.5vw, 44px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--yg-white);
}

.yg-hero__title span {
  color: #f8fafc;
}

.yg-hero__desc {
  margin: 0 0 28px;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.78);
}

.yg-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.yg-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none !important;
  border-radius: var(--yg-radius-sm);
  transition: var(--yg-transition);
}

.yg-btn--primary {
  color: var(--yg-white) !important;
  background: linear-gradient(135deg, var(--yg-primary), var(--yg-primary-dark));
  box-shadow: 0 4px 20px rgba(185, 28, 28, 0.4);
}

.yg-btn--primary:hover {
  transform: translateY(-2px);
  color: var(--yg-white) !important;
}

.yg-btn--ghost {
  color: var(--yg-white) !important;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.yg-btn--ghost:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--yg-white) !important;
}

.yg-btn--ghost:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--yg-white) !important;
}

/* ── 核心数据条 ── */
.yg-kpi {
  background: var(--yg-white);
  border-bottom: 1px solid var(--yg-border);
  box-shadow: var(--yg-shadow);
}

.yg-kpi__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.yg-kpi__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px 16px;
  text-align: center;
  border-right: 1px solid var(--yg-border);
}

.yg-kpi__item:last-child {
  border-right: none;
}

.yg-kpi__num {
  font-size: 32px;
  font-weight: 800;
  color: var(--yg-primary);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.yg-kpi__label {
  margin-top: 8px;
  font-size: 14px;
  color: var(--yg-text-muted);
}

/* ── Section ── */
.yg-section {
  padding: 56px 0 60px;
}

.yg-section--products {
  padding-top: 48px;
}

.yg-section--alt {
  background: var(--yg-white);
}

.yg-section__header {
  text-align: center;
  margin-bottom: 36px;
}

.yg-section__label {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--yg-primary);
}

.yg-section__title {
  margin: 0 0 12px;
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  color: var(--yg-navy);
}

.yg-section__subtitle {
  margin: 0 auto;
  max-width: 560px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--yg-text-muted);
}

/* ── 产品 ── */
.yg-products {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.yg-product-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  text-decoration: none !important;
  background: var(--yg-white);
  border-radius: var(--yg-radius);
  overflow: hidden;
  border: 1px solid var(--yg-border);
  box-shadow: var(--yg-shadow);
  transition: var(--yg-transition);
}

.yg-product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--yg-shadow-hover);
  border-color: rgba(185, 28, 28, 0.15);
}

.yg-product-card__img-wrap {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
}

.yg-product-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transform: scale(1.22);
  transition: transform 0.5s ease;
}

.yg-product-card:hover .yg-product-card__img-wrap img {
  transform: scale(1.28);
}

.yg-product-card__badge {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 5px 12px;
  font-size: 11px;
  font-weight: 700;
  color: var(--yg-white);
  background: linear-gradient(135deg, var(--yg-primary), var(--yg-primary-dark));
  border-radius: 100px;
}

.yg-product-card__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 20px 22px 22px;
  border-top: 1px solid var(--yg-border);
}

.yg-product-card__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--yg-navy);
  line-height: 1.45;
  transition: color var(--yg-transition);
}

.yg-product-card__desc {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--yg-text-muted);
}

.yg-product-card:hover .yg-product-card__title {
  color: var(--yg-primary);
}

.yg-product-card__arrow {
  display: inline-flex;
  align-items: center;
  margin-top: auto;
  padding-top: 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--yg-text-muted);
  transition: var(--yg-transition);
}

.yg-product-card:hover .yg-product-card__arrow {
  color: var(--yg-primary);
}

/* ── 应用领域 ── */
.yg-section--fields {
  background: var(--yg-white);
  padding-top: 48px;
}

.yg-fields {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.yg-field-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 26px 22px 22px;
  text-decoration: none !important;
  background: var(--yg-bg);
  border: 1px solid var(--yg-border);
  border-radius: var(--yg-radius);
  transition: var(--yg-transition);
}

.yg-field-card:hover {
  background: var(--yg-white);
  border-color: rgba(185, 28, 28, 0.2);
  box-shadow: var(--yg-shadow);
  transform: translateY(-4px);
}

.yg-field-card__icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  border-radius: 14px;
  background: var(--yg-primary-light);
  color: var(--yg-primary);
  font-size: 28px;
}

.yg-field-card__title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--yg-navy);
}

.yg-field-card__desc {
  margin: 0;
  flex: 1;
  font-size: 14px;
  line-height: 1.7;
  color: var(--yg-text-muted);
}

.yg-field-card__link {
  margin-top: 18px;
  font-size: 13px;
  font-weight: 600;
  color: var(--yg-primary);
}

/* ── 最近更新 ── */
.yg-updates {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.yg-update-panel {
  background: var(--yg-white);
  border-radius: var(--yg-radius);
  border: 1px solid var(--yg-border);
  box-shadow: var(--yg-shadow);
  overflow: hidden;
}

.yg-update-panel__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 22px;
  background: linear-gradient(135deg, var(--yg-navy), var(--yg-navy-soft));
}

.yg-update-panel__icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--yg-white);
  font-size: 15px;
}

.yg-update-panel__head h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--yg-white);
}

.yg-update-panel__list {
  list-style: none;
  margin: 0;
  padding: 6px 0;
}

.yg-update-panel__list li {
  border-bottom: 1px solid var(--yg-border);
}

.yg-update-panel__list li:last-child {
  border-bottom: none;
}

.yg-update-panel__list a {
  display: block;
  padding: 12px 22px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--yg-text) !important;
  text-decoration: none !important;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: var(--yg-transition);
}

.yg-update-panel__list a:hover {
  background: var(--yg-primary-light);
  color: var(--yg-primary) !important;
}

.yg-update-panel__foot {
  padding: 12px 22px 18px;
  border-top: 1px solid var(--yg-border);
  text-align: right;
}

.yg-update-panel__foot a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--yg-primary) !important;
  text-decoration: none !important;
}

.yg-update-panel__foot a:hover {
  gap: 12px;
}

/* ── 合作客户 ── */
.yg-partners {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
}

.yg-partner-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  padding: 16px 12px;
  min-height: 140px;
  background: var(--yg-white);
  border-radius: var(--yg-radius-sm);
  border: 1px solid var(--yg-border);
  text-align: center;
  text-decoration: none !important;
  transition: var(--yg-transition);
}

.yg-partner-card:hover {
  border-color: var(--yg-primary);
  box-shadow: var(--yg-shadow);
  transform: translateY(-3px);
}

.yg-partner-card__logo {
  width: 100%;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  padding: 6px;
}

.yg-partner-card__logo img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

.yg-partner-card p {
  margin: 0;
  width: 100%;
  font-size: 12px;
  line-height: 1.45;
  color: var(--yg-text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.yg-partner-card--cta {
  background: linear-gradient(135deg, var(--yg-primary-light), var(--yg-white));
  border-color: rgba(185, 28, 28, 0.2);
}

.yg-partner-card--cta p {
  font-weight: 600;
  color: var(--yg-primary);
}

/* ── 核心优势 ── */
.yg-features {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.yg-feature {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px;
  background: var(--yg-white);
  border-radius: var(--yg-radius);
  border: 1px solid var(--yg-border);
  box-shadow: var(--yg-shadow);
  transition: var(--yg-transition);
}

.yg-feature:hover {
  border-color: var(--yg-primary);
}

.yg-feature__icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--yg-primary-light);
}

.yg-feature__icon img {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

.yg-feature__text {
  font-size: 15px;
  font-weight: 600;
  color: var(--yg-navy);
}

/* ── Footer ── */
.yg-footer,
#layout-footer.yg-footer {
  background: #2b2b2b;
  color: #bbb;
  margin-top: 0;
}

.yg-footer .container {
  max-width: 1200px;
  padding-top: 40px;
  padding-bottom: 24px;
}

.yg-footer__top {
  display: grid;
  grid-template-columns: 1.2fr 1fr 0.6fr;
  gap: 32px;
  padding-bottom: 28px;
  border-bottom: 1px solid #444;
}

.yg-footer__contact {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.yg-footer__tel-icon {
  width: 44px;
  height: auto;
}

.yg-footer__contact strong {
  display: block;
  color: #fff;
  font-size: 14px;
  margin-bottom: 4px;
}

.yg-footer__contact a {
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
}

.yg-footer__addr {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: #999;
}

.yg-footer__title {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
}

.yg-footer__links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.yg-footer__links li {
  margin-bottom: 8px;
}

.yg-footer__links a {
  color: #ccc;
  font-size: 13px;
  text-decoration: underline;
}

.yg-footer__links a:hover {
  color: #fff;
}

.yg-footer__bottom {
  padding-top: 20px;
  text-align: center;
  font-size: 12px;
  color: #888;
  line-height: 1.8;
}

.yg-footer__bottom a {
  color: #aaa;
}

.yg-footer__bottom a:hover {
  color: #fff;
}

/* ── 产品中心页 ── */
.yg-pbanner {
  background: linear-gradient(135deg, var(--yg-navy) 0%, var(--yg-navy-soft) 100%);
  color: var(--yg-white);
  padding: 36px 0 40px;
}

.yg-pbanner__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
}

.yg-pbanner__breadcrumb a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
}

.yg-pbanner__breadcrumb a:hover {
  color: var(--yg-white);
}

.yg-pbanner__breadcrumb li + li::before {
  content: '/';
  margin-right: 8px;
  opacity: 0.5;
}

.yg-pbanner__title {
  margin: 0 0 12px;
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 700;
  line-height: 1.25;
}

.yg-pbanner__desc {
  margin: 0;
  max-width: 640px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.78);
}

.yg-pbanner__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 22px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

.yg-pbanner__meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.yg-pbanner__meta i {
  color: #fca5a5;
}

.yg-playout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 28px;
  padding: 36px 0 48px;
  align-items: start;
}

.yg-psidebar {
  position: sticky;
  top: 80px;
  background: var(--yg-white);
  border: 1px solid var(--yg-border);
  border-radius: var(--yg-radius);
  box-shadow: var(--yg-shadow);
  overflow: hidden;
}

.yg-psidebar__head {
  padding: 16px 18px;
  font-size: 14px;
  font-weight: 700;
  color: var(--yg-navy);
  background: var(--yg-bg);
  border-bottom: 1px solid var(--yg-border);
}

.yg-psidebar__list {
  list-style: none;
  margin: 0;
  padding: 8px 0;
}

.yg-psidebar__list a {
  display: block;
  padding: 10px 18px;
  font-size: 14px;
  color: var(--yg-text) !important;
  text-decoration: none !important;
  border-left: 3px solid transparent;
  transition: var(--yg-transition);
}

.yg-psidebar__list a:hover,
.yg-psidebar__list a.is-active {
  background: var(--yg-primary-light);
  color: var(--yg-primary) !important;
  border-left-color: var(--yg-primary);
}

.yg-pmain__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 22px;
}

.yg-pmain__count {
  font-size: 14px;
  color: var(--yg-text-muted);
}

.yg-pmain__count strong {
  color: var(--yg-navy);
  font-weight: 700;
}

.yg-psearch {
  display: flex;
  align-items: center;
  gap: 0;
  max-width: 320px;
  width: 100%;
  background: var(--yg-white);
  border: 1px solid var(--yg-border);
  border-radius: var(--yg-radius-sm);
  overflow: hidden;
}

.yg-psearch input {
  flex: 1;
  border: none;
  outline: none;
  padding: 10px 14px;
  font-size: 14px;
  background: transparent;
}

.yg-psearch button {
  border: none;
  background: var(--yg-primary);
  color: var(--yg-white);
  padding: 10px 16px;
  cursor: pointer;
  transition: var(--yg-transition);
}

.yg-psearch button:hover {
  background: var(--yg-primary-dark);
}

.yg-pgrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.yg-pcat {
  display: flex;
  flex-direction: column;
  background: var(--yg-white);
  border: 1px solid var(--yg-border);
  border-radius: var(--yg-radius);
  overflow: hidden;
  text-decoration: none !important;
  box-shadow: var(--yg-shadow);
  transition: var(--yg-transition);
  scroll-margin-top: 90px;
}

.yg-pcat:hover {
  transform: translateY(-5px);
  box-shadow: var(--yg-shadow-hover);
  border-color: rgba(185, 28, 28, 0.15);
}

.yg-pcat__img {
  position: relative;
  height: 168px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  background: linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
}

.yg-pcat__img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transform: scale(1.1);
  transition: transform 0.5s ease;
}

.yg-pcat:hover .yg-pcat__img img {
  transform: scale(1.16);
}

.yg-pcat__badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 700;
  color: var(--yg-white);
  background: linear-gradient(135deg, var(--yg-primary), var(--yg-primary-dark));
  border-radius: 100px;
}

.yg-pcat__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 18px 20px 20px;
  border-top: 1px solid var(--yg-border);
}

.yg-pcat__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--yg-navy);
  transition: color var(--yg-transition);
}

.yg-pcat:hover .yg-pcat__title {
  color: var(--yg-primary);
}

.yg-pcat__desc {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--yg-text-muted);
}

.yg-pcat__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.yg-pcat__tag {
  padding: 4px 10px;
  font-size: 12px;
  color: var(--yg-text);
  background: var(--yg-bg);
  border: 1px solid var(--yg-border);
  border-radius: 100px;
}

.yg-pcat__link {
  margin-top: auto;
  font-size: 13px;
  font-weight: 600;
  color: var(--yg-primary);
}

.yg-pcta {
  margin-bottom: 48px;
}

.yg-pcta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 32px;
  background: linear-gradient(135deg, var(--yg-navy), var(--yg-navy-soft));
  border-radius: var(--yg-radius);
  color: var(--yg-white);
}

.yg-pcta__inner h3 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 700;
}

.yg-pcta__inner p {
  margin: 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
}

.yg-pcta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ── 产品分类页（/category/* legacy markup） ── */
body:has(.submenu) {
  background: var(--yg-bg) !important;
}

body:has(.submenu) > .container {
  max-width: 1200px;
  padding-top: 24px !important;
  padding-bottom: 48px;
}

body:has(.submenu) .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
  padding: 14px 18px !important;
  background: var(--yg-white) !important;
  border: 1px solid var(--yg-border);
  border-radius: var(--yg-radius-sm);
  list-style: none;
}

body:has(.submenu) .breadcrumb > div {
  order: 10;
  float: none !important;
  margin-left: auto;
}

body:has(.submenu) .breadcrumb > li {
  display: inline-flex;
  align-items: center;
  font-size: 14px;
}

body:has(.submenu) .breadcrumb > li + li::before {
  content: '/';
  padding-right: 8px;
  color: var(--yg-text-muted);
}

body:has(.submenu) .breadcrumb > li a {
  color: var(--yg-text-muted);
  text-decoration: none;
}

body:has(.submenu) .breadcrumb > li a:hover {
  color: var(--yg-primary);
}

body:has(.submenu) .breadcrumb > li.active {
  color: var(--yg-navy);
  font-weight: 600;
}

body:has(.submenu) .breadcrumb form {
  display: flex;
  margin: 0;
}

body:has(.submenu) .breadcrumb input[type="text"] {
  width: min(280px, 52vw) !important;
  height: 38px;
  padding: 0 14px;
  border: 1px solid var(--yg-border);
  border-right: none;
  border-radius: var(--yg-radius-sm) 0 0 var(--yg-radius-sm);
  font-size: 14px;
  outline: none;
  background: var(--yg-white);
}

body:has(.submenu) .breadcrumb input[type="text"]:focus {
  border-color: var(--yg-primary);
  box-shadow: 0 0 0 2px rgba(185, 28, 28, 0.1);
}

body:has(.submenu) .breadcrumb button[type="submit"] {
  height: 38px;
  padding: 0 18px;
  border: none;
  background: var(--yg-primary);
  color: var(--yg-white);
  border-radius: 0 var(--yg-radius-sm) var(--yg-radius-sm) 0;
  font-size: 14px;
  cursor: pointer;
  transition: var(--yg-transition);
}

body:has(.submenu) .breadcrumb button[type="submit"]:hover {
  background: var(--yg-primary-dark);
}

body:has(.submenu) .breadcrumb .dropdown {
  position: relative;
  display: inline-block;
}

body:has(.submenu) .breadcrumb .dropdown-content {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 180px;
  padding: 6px 0;
  background: var(--yg-white);
  border: 1px solid var(--yg-border);
  border-radius: var(--yg-radius-sm);
  box-shadow: var(--yg-shadow-hover);
  z-index: 20;
}

body:has(.submenu) .breadcrumb .dropdown:hover .dropdown-content {
  display: block;
}

body:has(.submenu) .breadcrumb .dropdown-content a {
  display: block;
  padding: 8px 14px;
  font-size: 13px;
  color: var(--yg-text) !important;
  text-decoration: none !important;
}

body:has(.submenu) .breadcrumb .dropdown-content a:hover {
  background: var(--yg-primary-light);
  color: var(--yg-primary) !important;
}

body:has(.submenu) .row[style*="background:#fff"],
body:has(.submenu) .row[style*="background: #fff"] {
  background: var(--yg-white) !important;
  margin-bottom: 48px !important;
  padding: 24px 12px !important;
  border: 1px solid var(--yg-border) !important;
  border-radius: var(--yg-radius) !important;
  box-shadow: var(--yg-shadow);
}

body:has(.submenu) .submenu {
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--yg-white);
  border: 1px solid var(--yg-border);
  border-radius: var(--yg-radius);
  box-shadow: var(--yg-shadow);
  overflow: hidden;
}

body:has(.submenu) .submenu .fnode {
  padding: 14px 18px;
  font-size: 15px;
  font-weight: 700;
  color: var(--yg-white);
  background: linear-gradient(135deg, var(--yg-navy), var(--yg-navy-soft));
  list-style: none;
}

body:has(.submenu) .submenu .listnode {
  list-style: none;
  border-bottom: 1px solid var(--yg-border);
}

body:has(.submenu) .submenu .listnode:last-child {
  border-bottom: none;
}

body:has(.submenu) .submenu .listnode a {
  display: block;
  padding: 11px 18px;
  font-size: 14px;
  color: var(--yg-text) !important;
  text-decoration: none !important;
  border-left: 3px solid transparent;
  transition: var(--yg-transition);
}

body:has(.submenu) .submenu .listnode.active a,
body:has(.submenu) .submenu .listnode a:hover {
  background: var(--yg-primary-light);
  color: var(--yg-primary) !important;
  border-left-color: var(--yg-primary);
}

body:has(.submenu) .col-md-9 > h1,
body:has(.submenu) .col-md-9 h1[style] {
  margin: 0 0 10px !important;
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 700;
  color: var(--yg-navy);
}

body:has(.submenu) .col-md-9 > p {
  margin: 0 0 24px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--yg-text-muted);
}

body:has(.submenu) .iconwrap {
  height: auto !important;
  margin-bottom: 28px;
  text-align: center;
}

body:has(.submenu) .iconwrap .thumbnail {
  display: block;
  margin: 0 0 12px;
  padding: 14px;
  background: linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
  border: 1px solid var(--yg-border) !important;
  border-radius: var(--yg-radius) !important;
  box-shadow: var(--yg-shadow);
  transition: var(--yg-transition);
  overflow: hidden;
}

body:has(.submenu) .iconwrap .thumbnail:hover {
  transform: translateY(-4px);
  box-shadow: var(--yg-shadow-hover);
  border-color: rgba(185, 28, 28, 0.15) !important;
}

body:has(.submenu) .iconwrap .thumbnail img {
  width: 100% !important;
  height: 180px !important;
  object-fit: contain;
  transition: transform 0.4s ease;
}

body:has(.submenu) .iconwrap .thumbnail:hover img {
  transform: scale(1.05);
}

body:has(.submenu) .iconwrap > a:not(.thumbnail) {
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  color: var(--yg-navy) !important;
  text-decoration: none !important;
  transition: color var(--yg-transition);
}

body:has(.submenu) .iconwrap > a:not(.thumbnail):hover {
  color: var(--yg-primary) !important;
}

body:has(.submenu) .col-md-9 div[style*="text-align:right"][style*="border-bottom"] {
  display: flex !important;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  padding-bottom: 14px !important;
  margin-bottom: 16px !important;
  border-bottom: 1px solid var(--yg-border) !important;
}

body:has(.submenu) .col-md-9 div[style*="text-align:right"] a[data-request] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-right: 0 !important;
  border: 1px solid var(--yg-border);
  border-radius: 8px;
  color: var(--yg-text-muted) !important;
  text-decoration: none !important;
  transition: var(--yg-transition);
}

body:has(.submenu) .col-md-9 div[style*="text-align:right"] a[data-request]:hover,
body:has(.submenu) .col-md-9 div[style*="text-align:right"] a[data-request][style*="#a32413"] {
  color: var(--yg-primary) !important;
  border-color: rgba(185, 28, 28, 0.35);
  background: var(--yg-primary-light);
}

body:has(.submenu) .col-md-9 div[style*="display:flex"][style*="border-bottom"] {
  gap: 24px;
  padding: 20px 0 !important;
  margin-bottom: 20px !important;
  border-bottom: 1px solid var(--yg-border) !important;
  align-items: flex-start;
}

body:has(.submenu) .col-md-9 .thumbnail {
  border: 1px solid var(--yg-border) !important;
  border-radius: var(--yg-radius-sm) !important;
  padding: 10px;
  margin-bottom: 0;
  background: #f8fafc;
  transition: var(--yg-transition);
}

body:has(.submenu) .col-md-9 .thumbnail:hover {
  border-color: rgba(185, 28, 28, 0.2) !important;
  box-shadow: var(--yg-shadow);
}

body:has(.submenu) .col-md-9 .thumbnail img {
  max-height: 140px;
  width: auto;
  max-width: 100%;
  margin: 0 auto;
  object-fit: contain;
}

body:has(.submenu) .col-md-9 a strong[style*="#a32413"] {
  color: var(--yg-primary) !important;
}

body:has(.submenu) .col-md-9 .badge {
  display: inline-block;
  margin: 0 6px 6px 0;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--yg-text);
  background: var(--yg-bg);
  border: 1px solid var(--yg-border);
  border-radius: 100px;
  text-decoration: none !important;
}

body:has(.submenu) .col-md-9 .badge:hover {
  color: var(--yg-primary);
  border-color: rgba(185, 28, 28, 0.25);
  background: var(--yg-primary-light);
}

body:has(.submenu) .col-md-9 a[style*="961f1d"],
body:has(.submenu) .col-md-9 a[style*="#961f1d"] {
  color: var(--yg-primary) !important;
  text-decoration: none !important;
}

body:has(.submenu) .col-md-9 a[style*="961f1d"]:hover,
body:has(.submenu) .col-md-9 a[style*="#961f1d"]:hover {
  text-decoration: underline !important;
}

#layout-footer:has(.yg-footer) {
  background: transparent !important;
  padding: 0 !important;
  margin: 0 !important;
  border: none !important;
}

/* ── 产品详情页（/product/* legacy markup） ── */
#layout-content:has(.J_ZoomMain) {
  background: var(--yg-bg) !important;
  min-height: auto !important;
  padding-top: 0 !important;
}

#layout-content:has(.J_ZoomMain) .container {
  max-width: 1200px;
  padding-top: 24px !important;
  padding-bottom: 48px;
}

body:has(.J_ZoomMain) .submenu li.active,
body:has(.J_ZoomMain) .submenu .listnode.active {
  background: transparent !important;
}

body:has(.J_ZoomMain) .submenu .listnode {
  padding: 0 !important;
  font-size: inherit !important;
  text-align: left !important;
}

body:has(.J_ZoomMain) .submenu .listnode a {
  display: block;
  padding: 10px 16px !important;
  font-size: 13px !important;
  line-height: 1.45;
  color: var(--yg-text) !important;
  text-decoration: none !important;
  border-left: 3px solid transparent;
  transition: var(--yg-transition);
}

body:has(.J_ZoomMain) .submenu .listnode.active a {
  background: var(--yg-primary-light) !important;
  color: var(--yg-primary) !important;
  border-left-color: var(--yg-primary);
  font-weight: 600;
}

body:has(.J_ZoomMain) .submenu .listnode a:hover {
  background: var(--yg-primary-light);
  color: var(--yg-primary) !important;
  border-left-color: var(--yg-primary);
}

body:has(.J_ZoomMain) .col-md-9 > div[style*="display:flex"]:first-of-type {
  gap: 28px;
  align-items: flex-start;
  padding: 24px !important;
  margin-bottom: 28px !important;
  background: linear-gradient(180deg, #f8fafc 0%, #fff 100%) !important;
  border: 1px solid var(--yg-border);
  border-radius: var(--yg-radius);
  box-shadow: var(--yg-shadow);
}

body:has(.J_ZoomMain) .col-md-9 > div[style*="display:flex"]:first-of-type > div[style*="margin-left"] {
  margin-left: 0 !important;
  flex: 1;
  min-width: 0;
}

body:has(.J_ZoomMain) .J_ZoomMain {
  width: 100%;
  max-width: 360px;
  margin: 0 auto;
}

body:has(.J_ZoomMain) .J_ZoomHook,
body:has(.J_ZoomMain) .zoom {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 1;
  padding: 16px;
  background: var(--yg-white);
  border: 1px solid var(--yg-border);
  border-radius: var(--yg-radius);
  overflow: hidden;
}

body:has(.J_ZoomMain) .J_ZoomHook img,
body:has(.J_ZoomMain) .J_ImagesHook {
  max-width: 100% !important;
  max-height: 100% !important;
  width: auto !important;
  height: auto !important;
  object-fit: contain;
}

body:has(.J_ZoomMain) .littleImg {
  margin-top: 12px;
}

body:has(.J_ZoomMain) .J_ImagesView {
  display: flex;
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
}

body:has(.J_ZoomMain) .J_ImagesView li {
  border: 2px solid transparent;
  border-radius: 8px;
  overflow: hidden;
  transition: border-color var(--yg-transition);
}

body:has(.J_ZoomMain) .J_ImagesView li.selected,
body:has(.J_ZoomMain) .J_ImagesView li:hover {
  border-color: var(--yg-primary);
}

body:has(.J_ZoomMain) .col-md-9 > div[style*="display:flex"] h1 {
  margin: 0 0 16px;
  font-size: clamp(22px, 2.8vw, 28px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--yg-navy);
}

body:has(.J_ZoomMain) .col-md-9 > div[style*="display:flex"] > div strong {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--yg-navy);
}

body:has(.J_ZoomMain) .col-md-9 > div[style*="display:flex"] p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--yg-text-muted);
}

body:has(.J_ZoomMain) .col-md-9 strong[style*="#a32413"] {
  color: var(--yg-primary) !important;
  font-size: 16px;
}

body:has(.J_ZoomMain) .col-md-9 div[style*="background:#f7f7f7"],
body:has(.J_ZoomMain) .col-md-9 div[style*="background: #f7f7f7"] {
  background: var(--yg-white) !important;
  border: 1px solid var(--yg-border) !important;
  border-radius: var(--yg-radius-sm) !important;
  padding: 16px !important;
  gap: 12px;
  align-items: flex-start !important;
}

body:has(.J_ZoomMain) .col-md-9 div[style*="rgb(215 71 71)"],
body:has(.J_ZoomMain) .col-md-9 div[style*="215 71 71"] {
  margin-top: 12px !important;
  padding: 12px 16px !important;
  font-size: 13px !important;
  line-height: 1.65 !important;
  background: linear-gradient(135deg, var(--yg-navy), var(--yg-navy-soft)) !important;
  border-radius: var(--yg-radius-sm) !important;
  color: rgba(255, 255, 255, 0.92) !important;
}

body:has(.J_ZoomMain) .col-md-9 span[style*="#a94442"] {
  color: var(--yg-primary) !important;
  font-weight: 600;
}

body:has(.J_ZoomMain) .col-md-9 .icon-phone {
  color: var(--yg-primary) !important;
}

body:has(.J_ZoomMain) .col-md-9 > h2 {
  margin: 8px 0 0;
  padding-top: 8px;
  font-size: 22px;
  font-weight: 700;
  color: var(--yg-navy);
}

body:has(.J_ZoomMain) .col-md-9 > hr {
  margin: 12px 0 20px;
  border-color: var(--yg-border);
}

body:has(.J_ZoomMain) .lightbulltable {
  color: var(--yg-text);
  line-height: 1.75;
}

body:has(.J_ZoomMain) .lightbulltable h2 {
  font-size: 22px !important;
  font-weight: 700;
  color: var(--yg-navy);
  margin: 0 0 16px;
}

body:has(.J_ZoomMain) .lightbulltable h4 {
  margin: 28px 0 12px;
  font-size: 16px !important;
  font-weight: 700;
  color: var(--yg-navy);
}

body:has(.J_ZoomMain) .lightbulltable p {
  margin-bottom: 14px;
  font-size: 15px;
  color: var(--yg-text-muted);
}

body:has(.J_ZoomMain) .lightbulltable ul {
  margin: 0 0 16px;
  padding-left: 20px;
}

body:has(.J_ZoomMain) .lightbulltable li {
  margin-bottom: 6px;
}

body:has(.J_ZoomMain) .lightbulltable img {
  max-width: 100%;
  height: auto;
  margin: 16px 0;
  border-radius: var(--yg-radius-sm);
  border: 1px solid var(--yg-border);
}

body:has(.J_ZoomMain) .lightbulltable table {
  width: 100%;
  margin: 16px 0 24px;
  border-collapse: collapse;
  font-size: 14px;
  background: var(--yg-white);
  border: 1px solid var(--yg-border);
  border-radius: var(--yg-radius-sm);
  overflow: hidden;
}

body:has(.J_ZoomMain) .lightbulltable table th {
  padding: 11px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--yg-white);
  background: linear-gradient(135deg, var(--yg-navy), var(--yg-navy-soft));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

body:has(.J_ZoomMain) .lightbulltable table td {
  padding: 10px 12px;
  border: 1px solid var(--yg-border);
  vertical-align: top;
  color: var(--yg-text);
}

body:has(.J_ZoomMain) .lightbulltable table tbody tr:nth-child(even) {
  background: #f8fafc;
}

body:has(.J_ZoomMain) .lightbulltable table tbody tr:hover {
  background: var(--yg-primary-light);
}

/* ── 实验搭建/专题页（/guide legacy markup） ── */
body:has(.iconwrap > dl) {
  background: var(--yg-bg) !important;
}

body:has(.iconwrap > dl) > .container {
  max-width: 1200px;
  margin-top: 0 !important;
  padding-top: 24px !important;
  padding-bottom: 48px;
}

body:has(.iconwrap > dl) .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
  padding: 14px 18px;
  background: var(--yg-white);
  border: 1px solid var(--yg-border);
  border-radius: var(--yg-radius-sm);
  list-style: none;
}

body:has(.iconwrap > dl) .breadcrumb > li {
  display: inline-flex;
  align-items: center;
  font-size: 14px;
}

body:has(.iconwrap > dl) .breadcrumb > li + li::before {
  content: '/';
  padding-right: 8px;
  color: var(--yg-text-muted);
}

body:has(.iconwrap > dl) .breadcrumb > li a {
  color: var(--yg-text-muted);
  text-decoration: none;
}

body:has(.iconwrap > dl) .breadcrumb > li a:hover {
  color: var(--yg-primary);
}

body:has(.iconwrap > dl) .breadcrumb > li.active {
  color: var(--yg-navy);
  font-weight: 600;
}

body:has(.iconwrap > dl) .container > h1 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 24px;
  padding: 0;
  font-size: clamp(24px, 3vw, 30px) !important;
  font-weight: 700 !important;
  color: var(--yg-navy) !important;
}

body:has(.iconwrap > dl) .container > h1 img {
  width: 28px;
  height: 28px;
  margin: 0 !important;
  flex-shrink: 0;
  object-fit: contain;
}

body:has(.iconwrap > dl) .container > .row:last-of-type {
  background: var(--yg-white);
  border: 1px solid var(--yg-border);
  border-radius: var(--yg-radius);
  box-shadow: var(--yg-shadow);
  padding: 28px 12px 16px;
  margin-bottom: 48px;
}

body:has(.iconwrap > dl) .iconwrap {
  height: auto !important;
  margin-bottom: 20px;
  text-align: center;
}

body:has(.iconwrap > dl) .iconwrap dl {
  display: flex;
  flex-direction: column;
  height: 100%;
  margin: 0;
}

body:has(.iconwrap > dl) .iconwrap dd {
  margin: 0;
  flex: 1;
}

body:has(.iconwrap > dl) .iconwrap dt {
  margin: 0;
}

body:has(.iconwrap > dl) .iconwrap .thumbnail {
  display: block;
  margin: 0 0 12px;
  padding: 14px;
  background: linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
  border: 1px solid var(--yg-border) !important;
  border-radius: var(--yg-radius) !important;
  box-shadow: var(--yg-shadow);
  transition: var(--yg-transition);
  overflow: hidden;
}

body:has(.iconwrap > dl) .iconwrap:hover .thumbnail {
  transform: translateY(-4px);
  box-shadow: var(--yg-shadow-hover);
  border-color: rgba(185, 28, 28, 0.15) !important;
}

body:has(.iconwrap > dl) .iconwrap .thumbnail img {
  width: 100% !important;
  height: 180px !important;
  object-fit: contain;
  transition: transform 0.4s ease;
}

body:has(.iconwrap > dl) .iconwrap:hover .thumbnail img {
  transform: scale(1.05);
}

body:has(.iconwrap > dl) .iconwrap dt a,
body:has(.iconwrap > dl) .iconwrap .text-center a {
  display: block;
  padding: 4px 8px 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--yg-navy) !important;
  text-decoration: none !important;
  transition: color var(--yg-transition);
}

body:has(.iconwrap > dl) .iconwrap:hover dt a {
  color: var(--yg-primary) !important;
}

/* ── 关于我们页 ── */
.yg-about-page,
.yg-about-page *,
.yg-about-page *::before,
.yg-about-page *::after {
  box-sizing: border-box;
}

#layout-content:has(.yg-about-page),
.yg-about-page {
  background: var(--yg-bg);
}

#layout-content:has(.yg-about-page) {
  min-height: auto !important;
  padding-top: 0 !important;
}

.yg-about-page .container {
  max-width: 1200px;
}

.yg-abanner {
  background: linear-gradient(135deg, var(--yg-navy) 0%, var(--yg-navy-soft) 100%);
  color: var(--yg-white);
  padding: 40px 0 44px;
}

.yg-abanner__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
}

.yg-abanner__breadcrumb a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
}

.yg-abanner__breadcrumb a:hover {
  color: var(--yg-white);
}

.yg-abanner__breadcrumb li + li::before {
  content: '/';
  margin-right: 8px;
  opacity: 0.5;
}

.yg-abanner__title {
  margin: 0 0 12px;
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 700;
  line-height: 1.25;
}

.yg-abanner__desc {
  margin: 0;
  max-width: 640px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.78);
}

.yg-abanner__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 22px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

.yg-abanner__meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.yg-abanner__meta i {
  color: #fca5a5;
}

.yg-about-intro {
  padding: 48px 0 56px;
}

.yg-about-intro__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 40px;
  align-items: center;
}

.yg-about-intro__label {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--yg-primary);
}

.yg-about-intro__title {
  margin: 0 0 22px;
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--yg-navy);
}

.yg-about-intro__text p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--yg-text);
  text-indent: 0;
}

.yg-about-intro__text p:last-child {
  margin-bottom: 0;
}

.yg-about-intro__text a {
  color: var(--yg-primary);
  text-decoration: none;
  border-bottom: 1px solid rgba(185, 28, 28, 0.25);
}

.yg-about-intro__text a:hover {
  border-bottom-color: var(--yg-primary);
}

.yg-about-intro__text strong {
  color: var(--yg-navy);
  font-weight: 600;
}

.yg-about-intro__media {
  position: relative;
}

.yg-about-intro__media img {
  display: block;
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--yg-radius);
  border: 1px solid var(--yg-border);
  box-shadow: var(--yg-shadow-hover);
}

.yg-about-intro__media::after {
  content: '';
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: calc(var(--yg-radius) - 4px);
  pointer-events: none;
}

.yg-about-stats {
  background: var(--yg-white);
  border-top: 1px solid var(--yg-border);
  border-bottom: 1px solid var(--yg-border);
  box-shadow: var(--yg-shadow);
}

.yg-about-values {
  padding: 56px 0 60px;
}

.yg-about-values__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.yg-about-value {
  padding: 28px 22px;
  background: var(--yg-white);
  border: 1px solid var(--yg-border);
  border-radius: var(--yg-radius);
  box-shadow: var(--yg-shadow);
  transition: var(--yg-transition);
}

.yg-about-value:hover {
  transform: translateY(-4px);
  box-shadow: var(--yg-shadow-hover);
  border-color: rgba(185, 28, 28, 0.12);
}

.yg-about-value__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  font-size: 20px;
  color: var(--yg-primary);
  background: var(--yg-primary-light);
  border-radius: 12px;
}

.yg-about-value h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--yg-navy);
}

.yg-about-value p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--yg-text-muted);
}

.yg-about-contact {
  padding-bottom: 56px;
}

.yg-about-contact__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px;
  padding: 32px;
  background: linear-gradient(135deg, var(--yg-navy), var(--yg-navy-soft));
  border-radius: var(--yg-radius);
  color: var(--yg-white);
  box-shadow: var(--yg-shadow-hover);
}

.yg-about-contact__label {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}

.yg-about-contact__title {
  margin: 0 0 12px;
  font-size: 24px;
  font-weight: 700;
}

.yg-about-contact__lead {
  margin: 0 0 24px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.75);
}

.yg-about-contact__phone {
  display: flex;
  align-items: center;
  gap: 14px;
}

.yg-about-contact__tel-icon {
  width: 44px;
  height: auto;
}

.yg-about-contact__phone strong {
  display: block;
  margin-bottom: 4px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
}

.yg-about-contact__phone a {
  display: block;
  font-size: 26px;
  font-weight: 700;
  color: var(--yg-white) !important;
  text-decoration: none !important;
}

.yg-about-contact__wechat {
  display: inline-block;
  margin-top: 4px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
}

.yg-about-contact__addrs {
  display: flex;
  flex-direction: column;
  gap: 16px;
  justify-content: center;
}

.yg-about-contact__addr {
  display: flex;
  gap: 14px;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--yg-radius-sm);
}

.yg-about-contact__addr i {
  margin-top: 3px;
  color: #fca5a5;
  font-size: 16px;
}

.yg-about-contact__addr strong {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  color: var(--yg-white);
}

.yg-about-contact__addr p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.72);
}

/* 旧版 aboutus markup 兼容（未部署新页面时） */
body:has(img[src*="compay1"]) {
  background: var(--yg-bg) !important;
}

body:has(img[src*="compay1"]) > .container {
  max-width: 1200px;
  padding: 24px 15px 48px;
}

body:has(img[src*="compay1"]) .container > .row > h1 {
  margin: 0 0 28px !important;
  padding-bottom: 20px;
  font-size: clamp(26px, 3.5vw, 34px) !important;
  font-weight: 700 !important;
  color: var(--yg-navy) !important;
  border-bottom: 1px solid var(--yg-border);
}

body:has(img[src*="compay1"]) .container > .row {
  background: var(--yg-white);
  border: 1px solid var(--yg-border);
  border-radius: var(--yg-radius);
  box-shadow: var(--yg-shadow);
  padding: 32px 24px;
  margin: 0;
}

body:has(img[src*="compay1"]) .col-md-6 p {
  margin-bottom: 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--yg-text);
  text-indent: 0 !important;
}

body:has(img[src*="compay1"]) .col-md-6 p strong,
body:has(img[src*="compay1"]) .col-md-6 strong {
  color: var(--yg-navy);
}

body:has(img[src*="compay1"]) .col-md-6 a {
  color: var(--yg-primary);
  text-decoration: none;
}

body:has(img[src*="compay1"]) .col-md-6 h2 {
  margin: 28px 0 14px !important;
  padding-top: 20px;
  border-top: 1px solid var(--yg-border);
  font-size: 18px !important;
  font-weight: 700 !important;
  color: var(--yg-navy) !important;
}

body:has(img[src*="compay1"]) .col-md-6[style*="text-align:center"] img,
body:has(img[src*="compay1"]) img[src*="compay1"] {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--yg-radius);
  border: 1px solid var(--yg-border);
  box-shadow: var(--yg-shadow);
}

/* ── 实验搭建页 ── */
.yg-guide-page,
.yg-guide-page *,
.yg-guide-page *::before,
.yg-guide-page *::after {
  box-sizing: border-box;
}

#layout-content:has(.yg-guide-page),
.yg-guide-page {
  background: var(--yg-bg);
}

#layout-content:has(.yg-guide-page) {
  min-height: auto !important;
  padding-top: 0 !important;
}

.yg-guide-page .container {
  max-width: 1200px;
}

.yg-guide-intro {
  padding: 48px 0 8px;
}

.yg-guide-grid-wrap {
  padding: 0 0 56px;
}

.yg-guide-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.yg-guide-card {
  display: flex;
  flex-direction: column;
  background: var(--yg-white);
  border: 1px solid var(--yg-border);
  border-radius: var(--yg-radius);
  overflow: hidden;
  text-decoration: none !important;
  box-shadow: var(--yg-shadow);
  transition: var(--yg-transition);
}

.yg-guide-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--yg-shadow-hover);
  border-color: rgba(185, 28, 28, 0.15);
}

.yg-guide-card__img {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 200px;
  padding: 16px;
  background: linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
}

.yg-guide-card__img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.45s ease;
}

.yg-guide-card:hover .yg-guide-card__img img {
  transform: scale(1.06);
}

.yg-guide-card__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 18px 20px 20px;
  border-top: 1px solid var(--yg-border);
}

.yg-guide-card__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--yg-navy);
  transition: color var(--yg-transition);
}

.yg-guide-card:hover .yg-guide-card__title {
  color: var(--yg-primary);
}

.yg-guide-card__desc {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--yg-text-muted);
}

.yg-guide-card__link {
  margin-top: auto;
  font-size: 13px;
  font-weight: 600;
  color: var(--yg-primary);
}

.yg-guide-cta {
  padding-bottom: 56px;
}

.yg-guide-cta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 32px;
  background: linear-gradient(135deg, var(--yg-navy), var(--yg-navy-soft));
  border-radius: var(--yg-radius);
  color: var(--yg-white);
  box-shadow: var(--yg-shadow-hover);
}

.yg-guide-cta__inner h3 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 700;
}

.yg-guide-cta__inner p {
  margin: 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
}

.yg-guide-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.yg-guide-cta .yg-btn--ghost {
  color: var(--yg-white) !important;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.yg-guide-cta .yg-btn--ghost:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--yg-white) !important;
}

/* ── 响应式 ── */
@media (max-width: 991px) {
  .yg-kpi__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .yg-kpi__item:nth-child(2n) {
    border-right: none;
  }

  .yg-kpi__item:nth-child(-n+2) {
    border-bottom: 1px solid var(--yg-border);
  }

  .yg-products {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .yg-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .yg-partners {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .yg-footer__top {
    grid-template-columns: 1fr;
  }

  .yg-features {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .yg-playout {
    grid-template-columns: 1fr;
  }

  .yg-psidebar {
    position: static;
  }

  .yg-psidebar__list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px;
  }

  .yg-psidebar__list li {
    flex: 0 0 auto;
  }

  .yg-psidebar__list a {
    padding: 8px 14px;
    border: 1px solid var(--yg-border);
    border-radius: 100px;
    border-left: 1px solid var(--yg-border);
  }

  .yg-psidebar__list a:hover,
  .yg-psidebar__list a.is-active {
    border-color: rgba(185, 28, 28, 0.3);
  }

  .yg-pgrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body:has(.submenu) .submenu {
    margin-bottom: 20px;
  }

  body:has(.submenu) .breadcrumb > div {
    order: 0;
    width: 100%;
    margin-left: 0;
  }

  body:has(.submenu) .breadcrumb form {
    width: 100%;
  }

  body:has(.submenu) .breadcrumb input[type="text"] {
    flex: 1;
    width: auto !important;
  }

  body:has(.J_ZoomMain) .col-md-9 > div[style*="display:flex"]:first-of-type {
    flex-direction: column;
  }

  body:has(.J_ZoomMain) .J_ZoomMain {
    max-width: none;
  }

  body:has(.iconwrap > dl) .container > .row:last-of-type {
    padding: 20px 8px 8px;
  }

  .yg-about-intro__grid {
    grid-template-columns: 1fr;
  }

  .yg-about-intro__media {
    order: -1;
  }

  .yg-about-values__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .yg-about-contact__inner {
    grid-template-columns: 1fr;
  }

  .yg-guide-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .yg-hero {
    min-height: auto;
  }

  .yg-hero__content {
    padding: 48px 0 56px;
  }

  .yg-kpi__grid {
    grid-template-columns: 1fr;
  }

  .yg-kpi__item {
    border-right: none;
    border-bottom: 1px solid var(--yg-border);
  }

  .yg-kpi__item:last-child {
    border-bottom: none;
  }

  .yg-section {
    padding: 40px 0;
  }

  .yg-products {
    grid-template-columns: 1fr;
  }

  .yg-product-card__img-wrap {
    height: 200px;
  }

  .yg-product-card__img-wrap img {
    transform: scale(1.15);
  }

  .yg-fields {
    grid-template-columns: 1fr;
  }

  .yg-partners {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .yg-updates {
    grid-template-columns: 1fr;
  }

  .yg-features {
    grid-template-columns: 1fr;
  }

  #layout-header #layout-nav .nav > li > a {
    font-size: 15px !important;
    padding: 12px 14px !important;
  }

  #layout-header #layout-nav .navbar-header {
    min-width: auto;
    margin-right: 0;
    padding: 8px 0;
  }

  #layout-header #layout-nav .navbar-header > a {
    min-width: auto;
  }

  #layout-header #layout-nav .navbar-header > a img {
    height: 46px !important;
    max-width: 180px;
  }

  .yg-pbanner {
    padding: 28px 0 32px;
  }

  .yg-pgrid {
    grid-template-columns: 1fr;
  }

  .yg-pmain__toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .yg-psearch {
    max-width: none;
  }

  .yg-pcta__inner {
    padding: 22px 20px;
  }

  body:has(.submenu) .col-md-9 div[style*="display:flex"][style*="border-bottom"] {
    flex-direction: column;
  }

  body:has(.submenu) .col-md-9 div[style*="display:flex"][style*="border-bottom"] > div[style*="margin-left"] {
    margin-left: 0 !important;
  }

  body:has(.submenu) > .container {
    padding-top: 16px !important;
  }

  body:has(.J_ZoomMain) .lightbulltable table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  body:has(.J_ZoomMain) .lightbulltable table tbody,
  body:has(.J_ZoomMain) .lightbulltable table thead,
  body:has(.J_ZoomMain) .lightbulltable table tr {
    white-space: normal;
  }

  body:has(.iconwrap > dl) > .container {
    padding-top: 16px !important;
  }

  body:has(.iconwrap > dl) .iconwrap .thumbnail img {
    height: 160px !important;
  }

  .yg-abanner {
    padding: 32px 0 36px;
  }

  .yg-about-intro {
    padding: 36px 0 40px;
  }

  .yg-about-values {
    padding: 40px 0;
  }

  .yg-about-values__grid {
    grid-template-columns: 1fr;
  }

  .yg-about-contact__inner {
    padding: 24px 20px;
  }

  body:has(img[src*="compay1"]) .container > .row {
    padding: 24px 16px;
  }

  .yg-guide-intro {
    padding: 36px 0 8px;
  }

  .yg-guide-grid {
    grid-template-columns: 1fr;
  }

  .yg-guide-cta__inner {
    padding: 22px 20px;
  }

  .yg-guide-cta__actions {
    width: 100%;
  }

  .yg-guide-cta__actions .yg-btn {
    flex: 1;
    justify-content: center;
  }
}