/* gongchengjianzhu — 墨青原木 · 景观仿古 */

.motion-tob .hero-banner::before, .motion-tob .hero-banner::after,
.motion-tob .hero-ambience, .motion-tob .hero-tech-beam, .motion-tob .hero-scanline,
.motion-tob .hero-flow-lines, .motion-tob .hero-mouse-glow { display: none !important; }
.motion-tob .tilt-card { transform: none !important; animation: none !important; }
.motion-tob:not(.site-engineering) [data-reveal] { transform: none !important; animation: none !important; }
.motion-tob .btn-primary { animation: none !important; }


/* shared modules */
.mod-eyebrow { font-size: var(--font-size-sm); letter-spacing: 0.1em; color: var(--color-accent); margin-bottom: var(--space-3); }
.mod-section { padding: var(--space-16) 0; }
.mod-section--dark { background: var(--color-surface-dark); color: #e2e8f0; }
.mod-section-head { margin-bottom: var(--space-10); }
.mod-section-head h2 { font-size: var(--font-size-3xl); }
.mod-cta-band { padding: var(--space-16) 0; text-align: center; background: var(--gradient-primary); color: #fff; }
.mod-cta-band h2 { color: #fff; }
.mod-hero-industrial { background: var(--color-surface-dark); color: #f1f5f9; padding: var(--space-16) 0; }
.mod-hero-industrial__grid { display: grid; gap: var(--space-10); align-items: center; max-width: var(--container-xxl); margin: 0 auto; padding: 0 var(--space-4); }
@media (min-width:992px) { .mod-hero-industrial__grid { grid-template-columns: 1fr 1.1fr; } }
.mod-param-strip { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--space-4); margin-top: var(--space-8); padding-top: var(--space-6); border-top: 1px solid rgba(255,255,255,0.12); }
.mod-param-strip strong { font-family: var(--font-family-mono); color: var(--color-accent); }
.mod-stats-band { background: var(--color-primary); color: #fff; padding: var(--space-8) 0; }
.mod-stats-band__inner { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--space-6); text-align: center; }
@media (min-width:768px) { .mod-stats-band__inner { grid-template-columns: repeat(4,1fr); } }
.mod-stat strong { font-size: var(--font-size-3xl); font-family: var(--font-family-mono); display: block; }
.mod-product-grid { display: grid; gap: var(--space-6); }
@media (min-width:992px) { .mod-product-grid { grid-template-columns: repeat(3,1fr); } }
.mod-product { display: block; padding: var(--space-6); border: 1px solid var(--color-border); border-left: 4px solid var(--color-primary); border-radius: var(--radius-md); background: var(--color-bg-elevated); color: inherit; text-decoration: none; }
.mod-case-row { display: grid; grid-template-columns: auto 1fr; gap: var(--space-6); padding: var(--space-6); background: rgba(255,255,255,0.05); border-radius: var(--radius-md); color: inherit; text-decoration: none; margin-bottom: var(--space-4); }
.mod-case-row__metric { font-weight: 700; color: var(--color-accent); }
.mod-cert-wall { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--space-4); }
@media (min-width:768px) { .mod-cert-wall { grid-template-columns: repeat(4,1fr); } }
.mod-cert { padding: var(--space-4); text-align: center; background: var(--color-bg-elevated); border-radius: var(--radius-md); font-size: var(--font-size-sm); }
.mod-hero-beauty { position: relative; min-height: 85vh; display: flex; align-items: center; justify-content: center; text-align: center; }
.mod-hero-beauty__bg { position: absolute; inset: 0; }
.mod-hero-beauty__bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.4; }
.mod-hero-beauty__content { position: relative; z-index: 1; max-width: 36rem; padding: var(--space-12) var(--space-4); }
.mod-beauty-bento { display: grid; gap: var(--space-4); }
@media (min-width:992px) { .mod-beauty-bento { grid-template-columns: 1.2fr 1fr; } .mod-beauty-tile--lg { grid-row: span 2; } }
.mod-beauty-tile { padding: var(--space-8); border-radius: var(--radius-xl); background: var(--gradient-card); box-shadow: var(--shadow-md); color: inherit; text-decoration: none; }
.mod-beauty-flow__steps { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--space-4); text-align: center; margin-top: var(--space-8); }
.mod-hero-lifestyle { padding: var(--space-16) 0; }
.mod-scene-grid, .mod-lifestyle-grid { display: grid; gap: var(--space-6); grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); }
.mod-scene-card, .mod-lifestyle-prod { padding: var(--space-6); border-radius: var(--radius-xl); background: var(--color-bg-elevated); box-shadow: var(--shadow-sm); color: inherit; text-decoration: none; }
.mod-hero-eng { position: relative; }
.mod-hero-eng img { width: 100%; height: 70vh; object-fit: cover; }
.mod-hero-eng__overlay { position: absolute; inset: 0; background: linear-gradient(to top,rgba(15,23,42,0.92),transparent); display: flex; align-items: flex-end; padding-bottom: var(--space-16); color: #fff; }
.mod-metrics-row { background: var(--color-primary); color: #fff; padding: var(--space-8) 0; }
.mod-metrics-row__grid { display: grid; grid-template-columns: repeat(4,1fr); gap: var(--space-4); text-align: center; }
.mod-eng-case-grid { display: grid; gap: var(--space-6); }
@media (min-width:992px) { .mod-eng-case-grid { grid-template-columns: repeat(3,1fr); } }
.mod-eng-case { color: inherit; text-decoration: none; }
.mod-eng-case__img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: var(--radius-md); }
.mod-honor-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--space-3); }
.mod-honor { padding: var(--space-4); text-align: center; border: 1px solid var(--color-border); font-weight: 600; font-size: var(--font-size-sm); }
.mod-hero-reno img { width: 100%; height: 75vh; object-fit: cover; }
.mod-hero-reno { position: relative; }
.mod-hero-reno__cap { position: absolute; bottom: var(--space-12); left: 0; right: 0; color: #fff; }
.mod-style-gallery { display: grid; gap: var(--space-6); grid-template-columns: repeat(auto-fit,minmax(240px,1fr)); }
.mod-style-card { color: inherit; text-decoration: none; }
.mod-style-card__img img { width: 100%; aspect-ratio: 3/4; object-fit: cover; border-radius: var(--radius-lg); }
.mod-hero-muni { background: linear-gradient(135deg,var(--color-primary),#1e3a8a); color: #fff; padding: var(--space-20) 0; text-align: center; }
.mod-public-item { display: flex; justify-content: space-between; padding: var(--space-4) 0; border-bottom: 1px solid var(--color-border); }
.mod-muni-table table { width: 100%; border-collapse: collapse; }
.mod-muni-table th, .mod-muni-table td { padding: var(--space-3); border: 1px solid var(--color-border); }
.mod-hero-garden { position: relative; min-height: 65vh; display: flex; align-items: center; color: #fff; }
.mod-hero-garden > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.mod-hero-garden .container { position: relative; z-index: 1; }
.mod-hero-consult, .mod-hero-tax, .mod-hero-ip, .mod-hero-qual { padding: var(--space-16) 0; }
.mod-consult-grid { display: grid; gap: var(--space-6); }
@media (min-width:768px) { .mod-consult-grid { grid-template-columns: repeat(3,1fr); } }
.mod-consult-card { padding: var(--space-6); border: 1px solid var(--color-border); border-radius: var(--radius-md); color: inherit; text-decoration: none; }
.mod-hero-medspa { padding: var(--space-20) 0; background: var(--gradient-hero); color: #fff; text-align: center; }
.mod-dental-strip { height: 5px; background: var(--gradient-primary); }
.mod-hero-dental { padding: var(--space-12) 0; }
.mod-dental-services { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--space-4); text-align: center; }
.mod-dental-services a { padding: var(--space-4); border: 1px solid var(--color-border); border-radius: var(--radius-lg); color: inherit; text-decoration: none; }
.mod-hero-checkup { padding: var(--space-16) 0; background: var(--color-bg-subtle); }
.mod-checkup-dash { display: grid; grid-template-columns: repeat(4,1fr); gap: var(--space-4); margin: var(--space-8) 0; }
.mod-checkup-m { padding: var(--space-4); background: #fff; border-radius: var(--radius-lg); text-align: center; }
.mod-pkg-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--space-4); }
.mod-pkg-card { padding: var(--space-6); border: 2px solid var(--color-primary); border-radius: var(--radius-lg); text-align: center; color: inherit; text-decoration: none; }
.site-industrial .site-header { background: #111827; }
.site-industrial .site-header .site-logo, .site-industrial .primary-nav a { color: #e2e8f0; }
.site-beauty .site-header { background: rgba(255,252,250,0.9); backdrop-filter: blur(8px); }
.site-municipal .site-header { border-bottom: 3px solid var(--color-accent); }

/* inner pages */
.mod-page-hero { padding: var(--space-12) 0 var(--space-10); }
.mod-page-hero--dark { background: var(--color-surface-dark); color: #f1f5f9; }
.mod-page-hero--dark .mod-page-hero__lead { color: #94a3b8; }
.mod-page-hero--split .mod-page-hero__split { display: grid; gap: var(--space-8); align-items: center; }
@media (min-width:992px) { .mod-page-hero--split .mod-page-hero__split { grid-template-columns: 1fr 1fr; } }
.mod-page-hero--split img { width: 100%; border-radius: var(--radius-lg); object-fit: cover; aspect-ratio: 4/3; }
.mod-page-hero__lead { font-size: var(--font-size-lg); color: var(--color-text-muted); max-width: 42rem; }
.mod-page-section { padding: var(--space-12) 0; }
.mod-page-section--muted { background: var(--color-bg-subtle); }
.mod-page-section--soft { background: var(--gradient-card); }
.mod-page-prod-grid, .mod-page-card-grid { display: grid; gap: var(--space-6); }
@media (min-width:992px) { .mod-page-prod-grid, .mod-page-card-grid { grid-template-columns: repeat(3,1fr); } }
.mod-page-prod { display: block; padding: var(--space-6); border-left: 4px solid var(--color-primary); background: var(--color-bg-elevated); border-radius: var(--radius-md); color: inherit; text-decoration: none; }
.mod-page-beauty-grid { display: grid; gap: var(--space-6); grid-template-columns: repeat(auto-fit,minmax(240px,1fr)); }
.mod-page-beauty-card { display: block; border-radius: var(--radius-xl); overflow: hidden; background: #fff; box-shadow: var(--shadow-md); color: inherit; text-decoration: none; }
.mod-page-beauty-card__img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.mod-page-beauty-card h3, .mod-page-beauty-card p { padding: 0 var(--space-4) var(--space-4); }
.mod-page-muni-row { display: flex; justify-content: space-between; gap: var(--space-4); padding: var(--space-4); border-bottom: 1px solid var(--color-border); color: inherit; text-decoration: none; }
.mod-page-consult-grid { display: grid; gap: var(--space-6); }
@media (min-width:768px) { .mod-page-consult-grid { grid-template-columns: repeat(3,1fr); } }
.mod-page-consult { padding: var(--space-6); border: 1px solid var(--color-border); border-radius: var(--radius-md); color: inherit; text-decoration: none; }
.mod-page-med-grid { display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fit,minmax(200px,1fr)); }
.mod-page-med-svc { padding: var(--space-6); border: 1px solid var(--color-border); border-radius: var(--radius-xl); text-align: center; color: inherit; text-decoration: none; }
.mod-page-stats { background: var(--color-primary); color: #fff; padding: var(--space-8) 0; }
.mod-page-stats__grid { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--space-4); text-align: center; }
@media (min-width:768px) { .mod-page-stats__grid { grid-template-columns: repeat(4,1fr); } }
.mod-page-stat strong { display: block; font-size: var(--font-size-3xl); font-family: var(--font-family-mono); }
.mod-page-case-row { display: grid; grid-template-columns: auto 1fr; gap: var(--space-4); padding: var(--space-4); background: var(--color-bg-elevated); border-radius: var(--radius-md); color: inherit; text-decoration: none; margin-bottom: var(--space-3); }
.mod-page-case-row__metric { font-weight: 700; color: var(--color-accent); white-space: nowrap; }
.mod-page-beauty-case { display: block; border-radius: var(--radius-xl); overflow: hidden; color: inherit; text-decoration: none; }
.mod-page-beauty-case img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.mod-page-style-case img { width: 100%; aspect-ratio: 3/4; object-fit: cover; border-radius: var(--radius-lg); }
.mod-page-muni-case { display: block; padding: var(--space-4); border: 1px solid var(--color-border); margin-bottom: var(--space-3); color: inherit; text-decoration: none; }
.mod-page-case-card { display: block; padding: var(--space-4); border-radius: var(--radius-lg); background: var(--color-bg-elevated); box-shadow: var(--shadow-sm); color: inherit; text-decoration: none; }
.mod-page-case-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; border-radius: var(--radius-md); margin-bottom: var(--space-3); }
.mod-page-metric { color: var(--color-accent); font-weight: 600; }
.mod-page-ind-grid { display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fit,minmax(180px,1fr)); }
.mod-page-ind { padding: var(--space-4); border: 1px solid var(--color-border); border-radius: var(--radius-md); color: inherit; text-decoration: none; }
.mod-page-team-grid { display: grid; gap: var(--space-6); grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); }
.mod-page-cert-grid { display: grid; gap: var(--space-3); grid-template-columns: repeat(auto-fit,minmax(140px,1fr)); }
.mod-page-cert { padding: var(--space-4); text-align: center; background: var(--color-bg-elevated); border-radius: var(--radius-md); font-size: var(--font-size-sm); border: 1px solid var(--color-border); }
.mod-page-pricing { display: grid; gap: var(--space-6); }
@media (min-width:992px) { .mod-page-pricing { grid-template-columns: repeat(3,1fr); } }
.mod-page-price { padding: var(--space-8); border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-bg-elevated); }
.mod-page-price--featured { border-color: var(--color-primary); box-shadow: var(--shadow-glow); }
.mod-page-price__num { font-size: var(--font-size-3xl); font-weight: 700; margin: var(--space-4) 0; }
.mod-page-contact-grid { display: grid; gap: var(--space-10); }
@media (min-width:992px) { .mod-page-contact-grid { grid-template-columns: 1fr 1.2fr; } }
.mod-page-cta { padding: var(--space-12) 0; text-align: center; background: var(--gradient-primary); color: #fff; }
.mod-page-cta h2 { color: #fff; margin-bottom: var(--space-4); }
.mod-page-spec { width: 100%; border-collapse: collapse; }
.mod-page-spec th, .mod-page-spec td { padding: var(--space-3); border: 1px solid var(--color-border); }
.mod-page-related { display: flex; gap: var(--space-4); align-items: center; color: inherit; text-decoration: none; max-width: 28rem; }
.mod-page-related img { width: 120px; border-radius: var(--radius-md); }
.mod-page-steps { display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fit,minmax(120px,1fr)); }
.mod-page-step { text-align: center; padding: var(--space-4); border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.mod-page-step span { display: inline-flex; width: 2rem; height: 2rem; align-items: center; justify-content: center; background: var(--color-primary); color: #fff; border-radius: var(--radius-full); margin-bottom: var(--space-2); }
.mod-page-flow-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(100px,1fr)); gap: var(--space-4); text-align: center; }
.mod-page-flow strong { display: block; width: 2rem; height: 2rem; line-height: 2rem; margin: 0 auto var(--space-2); background: var(--color-primary); color: #fff; border-radius: var(--radius-full); }
.mod-page-muni-table { width: 100%; border-collapse: collapse; }
.mod-page-muni-table th, .mod-page-muni-table td { padding: var(--space-3); border: 1px solid var(--color-border); text-align: left; }
.mod-page-client-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(160px,1fr)); gap: var(--space-3); margin-bottom: var(--space-8); }
.mod-page-client { padding: var(--space-4); text-align: center; background: var(--color-bg-subtle); border-radius: var(--radius-md); font-size: var(--font-size-sm); }
.mod-page-notice .accordion-item { border-radius: var(--radius-lg); margin-bottom: var(--space-3); }
.mod-page-error { padding: var(--space-20) 0; text-align: center; }
.site-beauty .mod-page-hero { background: var(--gradient-card); }
.site-beauty .mod-page-beauty-card { border-radius: var(--radius-xl); }
.site-municipal .mod-page-hero--municipal { background: linear-gradient(135deg,var(--color-primary),#1e3a8a); color: #fff; }
.site-medspa .mod-page-hero, .site-dental .mod-page-hero, .site-healthcheck .mod-page-hero { background: var(--color-bg-subtle); }


/* 工程建筑动效：克制大气，垂直滑入 + 数字增长 */
.motion-tob.site-engineering [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
}
@media (prefers-reduced-motion: no-preference) {
  .motion-tob.site-engineering [data-reveal].is-visible {
    opacity: 1;
    transform: none;
    transition: opacity 0.75s var(--ease-out-expo, cubic-bezier(0.16, 1, 0.3, 1)),
                transform 0.75s var(--ease-out-expo, cubic-bezier(0.16, 1, 0.3, 1));
  }
}
@media (prefers-reduced-motion: reduce) {
  .motion-tob.site-engineering [data-reveal] {
    opacity: 1;
    transform: none;
  }
}
.site-engineering .eng-case-card,
.site-engineering .eng-adv-card,
.site-engineering .eng-cert,
.site-engineering .eng-scope-row,
.site-engineering .eng-job-card,
.site-engineering .eng-news-item,
.site-engineering .eng-strength-item {
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.site-engineering .eng-case-card:hover,
.site-engineering .eng-adv-card:hover,
.site-engineering .eng-cert:hover,
.site-engineering .eng-job-card:hover,
.site-engineering .eng-news-item:hover {
  transform: none;
  box-shadow: var(--shadow-eng-hover);
}
.site-engineering .eng-stat-num {
  transition: color 0.3s ease;
}
.site-engineering .site-header {
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.site-engineering .accordion-panel {
  transition: height 0.4s ease, opacity 0.4s ease;
}
/* 禁用所有按钮动画与 hover 位移 */
.site-engineering .btn,
.site-engineering .btn-primary,
.site-engineering .btn-secondary,
.site-engineering .btn-red,
.site-engineering .header-cta,
.site-engineering button.btn,
.site-engineering a.btn,
.site-engineering .contact-form button[type="submit"],
.site-engineering .eng-lead__form .btn-red,
.site-engineering .back-to-top {
  animation: none !important;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease !important;
}
.site-engineering .btn::before,
.site-engineering .btn::after,
.site-engineering .btn-primary::before,
.site-engineering .btn-primary::after,
.site-engineering .btn-red::before,
.site-engineering .btn-red::after,
.site-engineering a.btn::after,
.site-engineering button.btn::after {
  display: none !important;
  animation: none !important;
}
.site-engineering .btn:hover,
.site-engineering .btn-primary:hover,
.site-engineering .btn-secondary:hover,
.site-engineering .btn-red:hover,
.site-engineering .header-cta:hover,
.site-engineering .header-cta.btn-primary:hover,
.site-engineering button.btn:hover,
.site-engineering a.btn:hover,
.site-engineering .contact-form button[type="submit"]:hover,
.site-engineering .eng-lead__form .btn-red:hover,
.site-engineering .back-to-top:hover,
.site-engineering .tilt-card:hover {
  transform: none !important;
  animation: none !important;
}
/* Banner 由 JS 控制切换；无脚本时显示首图 */
.site-engineering .eng-banner__slide {
  opacity: 0;
  transition: opacity 0.7s ease;
  z-index: 0;
  pointer-events: none;
}
.site-engineering .eng-banner__slide.is-active {
  opacity: 1;
  z-index: 1;
}
.site-engineering .eng-banner:not([data-eng-banner-ready]) .eng-banner__slide:first-child {
  opacity: 1;
  z-index: 1;
}
@media (prefers-reduced-motion: reduce) {
  .site-engineering .eng-banner__slide {
    transition: none;
  }
}


/* ── 工程建筑：全局 ── */
html:has(body.site-engineering) {
  overflow-x: clip;
}
.site-engineering {
  --color-primary: #0052A3;
  --color-primary-hover: #003D7A;
  --color-accent: #D92D3A;
  --color-nav: #0A192F;
  --color-nav-deep: #071324;
  --color-red: #D92D3A;
  --color-red-hover: #8B6839;
  --color-bg: #FFFFFF;
  --color-bg-subtle: #F8FAFC;
  --color-text: #2F2D2A;
  --color-text-muted: #6B6560;
  --color-heading: #1A1F1E;
  --color-border: #E2E8F0;
  --container-xxl: 90rem;
  --container-xl: 90rem;
  --container-lg: 90rem;
  --font-family-display: "Outfit", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-family-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-family-mono: "JetBrains Mono", ui-monospace, monospace;
  --radius-md: 4px;
  --radius-lg: 4px;
  --shadow-eng: 0 2px 16px rgba(26, 71, 66, 0.06);
  --shadow-eng-hover: 0 12px 36px rgba(26, 71, 66, 0.14);
  background: #FFFFFF;
  color: var(--color-text);
  overflow-x: clip;
}
.site-engineering main { overflow-x: clip; }
.site-engineering .container {
  max-width: 90rem;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}
@media (min-width: 1400px) {
  .site-engineering .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}
.site-engineering h1 {
  font-family: var(--font-family-display);
  font-size: clamp(1.875rem, 4.2vw, 2.75rem);
  font-weight: 700;
  color: #0052A3;
  line-height: 1.25;
  letter-spacing: -0.02em;
  text-align: left;
}
.site-engineering h2 {
  font-family: var(--font-family-display);
  font-size: clamp(1.5rem, 2.5vw, 1.875rem);
  font-weight: 700;
  color: var(--color-heading);
  line-height: 1.3;
  letter-spacing: -0.015em;
  text-align: left;
  margin: 0;
  padding: 0;
  border-bottom: none;
  display: block;
}
.site-engineering h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-heading);
  margin: 0 0 var(--space-2);
  text-align: left;
}
.site-engineering p {
  font-size: 1rem;
  line-height: 1.8;
  color: #2F2D2A;
  margin: 0;
  text-align: left;
}
.site-engineering small,
.site-engineering .text-muted {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ── 导航 ── */
.site-engineering .site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: #0A192F;
  border-bottom: 1px solid rgba(166, 124, 71, 0.35);
}
.site-engineering .site-header.is-scrolled {
  background: rgba(15, 47, 44, 0.97);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 28px rgba(26, 71, 66, 0.28);
}
.site-engineering .site-logo {
  font-family: var(--font-family-display);
  font-weight: 700;
  color: #fff;
  gap: var(--space-3);
  text-decoration: none;
}
.site-engineering .site-logo--text {
  font-size: 1.125rem;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
@media (max-width: 991px) {
  .site-engineering .primary-nav { display: none !important; }
}
@media (min-width: 992px) {
  .site-engineering .primary-nav {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: var(--space-1);
  }
}
.site-engineering .header-inner {
  gap: var(--space-4);
}
.site-engineering .primary-nav > a,
.site-engineering .mega-menu__link {
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: background 0.2s ease, color 0.2s ease;
}
.site-engineering .primary-nav > a:hover,
.site-engineering .mega-menu__link:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}
.site-engineering .header-cta.btn-primary {
  background: #D92D3A;
  color: #fff;
  border: 1px solid transparent;
  font-weight: 700;
  border-radius: 4px;
  padding: 0.625rem 1.35rem;
  box-shadow: 0 2px 10px rgba(166, 124, 71, 0.25);
}
.site-engineering .header-cta.btn-primary:hover {
  background: #8B6839;
  color: #fff;
}
.site-engineering .hamburger-toggle {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
}
.site-engineering .hamburger-toggle.is-open {
  background: rgba(166, 124, 71, 0.2);
  border-color: #D92D3A;
  color: #fff;
}
.site-engineering .mobile-drawer__backdrop {
  background: rgba(10, 36, 34, 0.55);
}
.site-engineering .mobile-drawer {
  background: linear-gradient(180deg, #0A192F 0%, #071324 100%);
  border-left: 1px solid rgba(166, 124, 71, 0.3);
  box-shadow: -16px 0 48px rgba(10, 36, 34, 0.5);
}
.site-engineering .mobile-drawer::before {
  background: linear-gradient(90deg, #D92D3A 0%, rgba(166, 124, 71, 0.35) 100%);
}
.site-engineering .mobile-drawer__cta {
  border-top-color: rgba(166, 124, 71, 0.25);
  background: rgba(0, 0, 0, 0.18);
}
.site-engineering .mobile-drawer a {
  color: rgba(255, 255, 255, 0.88);
}
.site-engineering .mobile-drawer a:hover,
.site-engineering .mobile-drawer a[aria-current="page"] {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  box-shadow: inset 3px 0 0 #D92D3A;
}
.site-engineering .mobile-nav-group summary {
  color: rgba(255, 255, 255, 0.92);
}
.site-engineering .mobile-nav-group summary:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #D92D3A;
}
.site-engineering .mobile-nav-group__links {
  border-left-color: rgba(166, 124, 71, 0.35);
}
.site-engineering .mobile-nav-group__links a {
  color: rgba(255, 255, 255, 0.72);
}
.site-engineering .mobile-nav-group__links a:hover {
  color: #D92D3A;
}
.site-engineering .mobile-drawer__cta .header-cta,
.site-engineering .mobile-drawer__cta .btn-primary.header-cta {
  background: #D92D3A;
  color: #fff;
  border: 1px solid transparent;
  font-weight: 700;
  box-shadow: 0 6px 20px rgba(166, 124, 71, 0.35);
}
.site-engineering .mobile-drawer__cta .header-cta:hover {
  background: #8B6839;
  color: #fff;
  box-shadow: 0 8px 24px rgba(166, 124, 71, 0.4);
}
.site-engineering .mega-panel {
  background: #fff;
  border-radius: 4px;
  box-shadow: var(--shadow-eng-hover);
  border: 1px solid var(--color-border);
}
/* 导航当前页：仅保留底部金线，避免与全局 underline/背景叠加重高亮 */
.site-engineering .primary-nav > a[aria-current="page"],
.site-engineering .mega-menu__link[aria-current="page"] {
  color: #fff;
  font-weight: 600;
  background: transparent;
  box-shadow: inset 0 -2px 0 #D92D3A;
}
.site-engineering .primary-nav a:not(.mega-menu__link)::after {
  display: none !important;
}
.site-engineering .primary-nav a:hover,
.site-engineering .mega-menu__link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  box-shadow: none;
}

/* ── 按钮 ── */
.site-engineering .btn-primary {
  background: #0052A3;
  color: #fff;
  font-weight: 700;
  border: none;
  border-radius: 4px;
  padding: 0.8rem 1.85rem;
  transition: background 0.2s ease;
}
.site-engineering .btn-primary:hover { background: #0F2F2C; color: #fff; }
.site-engineering .btn-red {
  background: #D92D3A;
  color: #fff;
  font-weight: 700;
  border: 1px solid #D92D3A;
  border-radius: 4px;
  padding: 0.85rem 2rem;
  display: inline-block;
  text-decoration: none;
  letter-spacing: 0.02em;
}
.site-engineering .btn-red:hover { background: #8B6839; color: #fff; }
.site-engineering .eng-text-btn {
  color: #0052A3;
  font-weight: 600;
  text-decoration: none;
  position: relative;
  padding-bottom: 2px;
}
.site-engineering .eng-text-btn::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: #D92D3A;
  transition: width 0.3s ease;
}
.site-engineering .eng-text-btn:hover::after { width: 100%; }

/* ── 模块通用 ── */
.eng-section {
  padding: 5.5rem 0;
  position: relative;
}
.eng-section--gray {
  background:
    linear-gradient(180deg, #F8FAFC 0%, #ECE9E1 100%);
}
.eng-section--navy {
  background: linear-gradient(125deg, #0A192F 0%, #0052A3 45%, #243F38 100%);
  color: #fff;
  overflow: hidden;
}
.eng-section--navy::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 80% at 90% 20%, rgba(166,124,71,0.12), transparent 55%),
    linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.03) 50%, transparent 100%);
  pointer-events: none;
}
.eng-section__eyebrow {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #D92D3A;
  margin-bottom: var(--space-3);
  font-family: var(--font-family-display);
}
.eng-section__head {
  margin-bottom: 2.75rem;
  text-align: left;
  max-width: 40rem;
  position: relative;
  padding-left: 1.1rem;
}
.eng-section__head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.15rem;
  bottom: 0.15rem;
  width: 3px;
  background: linear-gradient(180deg, #D92D3A, #0052A3);
  border-radius: 2px;
}
.eng-section__head h2 {
  position: relative;
}
.eng-section__head p {
  margin-top: var(--space-3);
  max-width: 38rem;
  color: #5b6472;
  font-size: 0.9875rem;
}
.eng-section--navy .eng-section__eyebrow { color: #FF5A36; }
.eng-section--navy .eng-section__head::before {
  background: linear-gradient(180deg, #D92D3A, rgba(166,124,71,0.3));
}
.eng-section--navy .eng-section__head h2 { color: #fff; }
.eng-section--navy .eng-section__head p { color: rgba(255,255,255,0.78); }

/* 深色 / 图片遮罩区域：强制浅色文字（覆盖全局 h1/h2/p 深色规则） */
.site-engineering .eng-section--navy,
.site-engineering .eng-section--navy h1,
.site-engineering .eng-section--navy h2,
.site-engineering .eng-section--navy h3,
.site-engineering .eng-section--navy p,
.site-engineering .eng-section--navy .text-muted,
.site-engineering .eng-section--navy .eng-lead__grid > div h2,
.site-engineering .eng-section--navy .eng-lead__grid > div p,
.site-engineering .eng-banner__content,
.site-engineering .eng-banner__content h1,
.site-engineering .eng-banner__content h2,
.site-engineering .eng-banner__content p,
.site-engineering .eng-banner__sub,
.site-engineering .eng-banner__tag,
.site-engineering .eng-banner__trust span,
.site-engineering .eng-banner__actions .eng-text-btn,
.site-engineering .site-footer,
.site-engineering .site-footer h1,
.site-engineering .site-footer h2,
.site-engineering .site-footer h3,
.site-engineering .site-footer p,
.site-engineering .site-footer li,
.site-engineering .site-footer span,
.site-engineering .footer-bottom,
.site-engineering .footer-legal,
.site-engineering .mod-page-hero--dark,
.site-engineering .mod-page-hero--dark h1,
.site-engineering .mod-page-hero--dark h2,
.site-engineering .mod-page-hero--dark h3,
.site-engineering .mod-page-hero--dark p,
.site-engineering .mod-page-hero--dark .mod-page-hero__lead,
.site-engineering .mod-page-hero--dark .text-muted,
.site-engineering .mod-page-hero--has-bg h1,
.site-engineering .mod-page-hero--has-bg h2,
.site-engineering .mod-page-hero--has-bg p,
.site-engineering .mod-page-hero--has-bg .mod-page-hero__lead,
.site-engineering .mod-page-cta,
.site-engineering .mod-page-cta h2,
.site-engineering .mod-page-cta p,
.site-engineering .mod-page-stats,
.site-engineering .mod-page-stats span,
.site-engineering .eng-strength-item span,
.site-engineering .site-header .site-logo,
.site-engineering .site-header .primary-nav > a,
.site-engineering .site-header .mega-menu__link {
  color: #fff;
}
.site-engineering .eng-section--navy .eng-section__eyebrow,
.site-engineering .eng-section--navy .eng-lead__grid > div .eng-section__eyebrow,
.site-engineering .eng-banner__eyebrow,
.site-engineering .mod-page-hero--dark .mod-eyebrow,
.site-engineering .mod-page-hero--has-bg .mod-eyebrow {
  color: #FF5A36;
}
.site-engineering .eng-section--navy .eng-section__head p,
.site-engineering .eng-section--navy .eng-lead__grid > div p,
.site-engineering .eng-banner__sub,
.site-engineering .eng-banner__trust span,
.site-engineering .mod-page-hero--dark .mod-page-hero__lead,
.site-engineering .mod-page-hero--has-bg .mod-page-hero__lead,
.site-engineering .site-footer p,
.site-engineering .site-footer a,
.site-engineering .footer-bottom,
.site-engineering .footer-legal {
  color: rgba(255, 255, 255, 0.85);
}
.site-engineering .site-footer a:hover {
  color: #FF5A36;
}
.site-engineering .eng-stat-num,
.site-engineering .mod-page-stats strong {
  color: #FF5A36;
}
/* 深底上的白底表单保持深色字 */
.site-engineering .eng-lead__form,
.site-engineering .eng-lead__form label,
.site-engineering .eng-lead__form input,
.site-engineering .eng-lead__form select,
.site-engineering .eng-lead__form textarea,
.site-engineering .eng-lead__form .form-field label,
.site-engineering .eng-lead__form .form-field input,
.site-engineering .eng-lead__form .form-field select,
.site-engineering .eng-lead__form .form-field textarea {
  color: #2F2D2A;
}
.site-engineering .mega-panel,
.site-engineering .mega-panel a,
.site-engineering .mega-panel strong,
.site-engineering .mega-panel span {
  color: #2F2D2A;
}

/* ── Banner 首屏 ── */
.eng-banner {
  position: relative;
  height: calc(100vh - 68px);
  min-height: calc(100vh - 68px);
  min-height: calc(100dvh - 68px);
  display: flex;
  align-items: center;
  overflow: hidden;
  box-sizing: border-box;
}
.eng-banner__slides {
  position: absolute;
  inset: 0;
}
.eng-banner__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  will-change: opacity, transform;
}
.eng-banner__slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(10, 36, 34, 0.88) 0%, rgba(26, 71, 66, 0.55) 48%, rgba(26, 71, 66, 0.35) 100%),
    linear-gradient(to top, rgba(10, 36, 34, 0.92) 0%, transparent 55%);
}
.eng-banner__content {
  position: relative;
  z-index: 2;
  padding: clamp(2rem, 5vh, 4rem) 0;
  color: #fff;
  width: 100%;
  max-width: 50rem;
}
.eng-banner__eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #FF5A36;
  margin-bottom: var(--space-4);
  font-family: var(--font-family-display);
}
.eng-banner__content h1 {
  color: #fff;
  margin-bottom: var(--space-5);
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.25);
  max-width: 18em;
}
.eng-banner__content h1::after {
  content: "";
  display: block;
  width: 3.5rem;
  height: 3px;
  margin-top: var(--space-5);
  background: linear-gradient(90deg, #D92D3A, #FF5A36);
}
.eng-banner__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-5);
}
.eng-banner__tag {
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.4rem 0.9rem;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.28);
  border-radius: 2px;
  backdrop-filter: blur(4px);
  letter-spacing: 0.02em;
}
.eng-banner__sub {
  font-size: 1.0125rem;
  line-height: 1.85;
  color: rgba(255,255,255,0.88);
  max-width: 34rem;
  margin-bottom: var(--space-8);
}
.eng-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  align-items: center;
  margin-bottom: var(--space-8);
}
.eng-banner__actions .eng-text-btn {
  color: #fff;
}
.eng-banner__actions .eng-text-btn::after {
  background: #D92D3A;
}
.eng-banner__trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255,255,255,0.18);
}
.eng-banner__trust span {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.78);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}
.eng-banner__trust span::before {
  content: "";
  width: 6px;
  height: 6px;
  background: #D92D3A;
  border-radius: 1px;
  box-shadow: 0 0 0 3px rgba(166,124,71,0.22);
}
.eng-banner__dots {
  position: absolute;
  bottom: var(--space-6);
  right: var(--space-6);
  left: auto;
  transform: none;
  z-index: 5;
  display: flex;
  gap: 0.45rem;
  padding: 0.5rem;
  pointer-events: auto;
}
.eng-banner__dot {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 2px;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  pointer-events: auto;
}
.eng-banner__dot::before {
  content: "";
  width: 2rem;
  height: 3px;
  border-radius: 1px;
  background: rgba(255,255,255,0.42);
  transition: background 0.25s ease, width 0.25s ease;
}
.eng-banner__dot.is-active::before,
.eng-banner__dot:hover::before,
.eng-banner__dot:focus-visible::before {
  background: #D92D3A;
  width: 2.75rem;
}

/* ── 核心优势 ── */
.eng-adv-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.eng-adv-card {
  padding: 2rem 1.75rem;
  background: #fff;
  border-radius: 4px;
  box-shadow: var(--shadow-eng);
  text-align: left;
  border: 1px solid rgba(26, 71, 66, 0.06);
  border-left: 3px solid #0052A3;
  height: 100%;
}
.eng-adv-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: var(--space-4);
  color: #0052A3;
  border-radius: 4px;
  background: linear-gradient(145deg, rgba(26,71,66,0.1), rgba(26,71,66,0.06));
}
.eng-adv-card h3 { font-size: 1.0625rem; }
.eng-adv-card p {
  color: #5b6472;
  margin-top: var(--space-2);
  font-size: 0.9375rem;
}

/* ── 业务范围 左图右文 ── */
.eng-scope-list { display: flex; flex-direction: column; gap: 3.5rem; }
.eng-scope-row {
  display: grid;
  gap: var(--space-8);
  align-items: center;
  padding: 0;
}
@media (min-width: 768px) {
  .eng-scope-row { grid-template-columns: 1.2fr 1fr; gap: 3rem; }
  .eng-scope-row--reverse { grid-template-columns: 1fr 1.2fr; }
  .eng-scope-row--reverse .eng-scope-row__img { order: 2; }
  .eng-scope-row--reverse .eng-scope-row__body { order: 1; }
}
.eng-scope-row__img {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-eng);
}
.eng-scope-row__img img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  display: block;
  filter: brightness(0.94) saturate(1.05);
  transition: transform 0.55s ease, filter 0.4s ease;
}
.eng-scope-row:hover .eng-scope-row__img img {
  transform: none;
  filter: brightness(1) saturate(1.05);
}
.eng-scope-row__img::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 1px rgba(26,71,66,0.08);
  pointer-events: none;
}
.eng-scope-row__body {
  padding: 0.5rem 0;
}
.eng-scope-row__badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #D92D3A;
  background: rgba(166, 124, 71, 0.08);
  border: 1px solid rgba(166, 124, 71, 0.12);
  padding: 0.3rem 0.7rem;
  border-radius: 2px;
  margin-bottom: var(--space-3);
}
.eng-scope-row__body h3 {
  font-family: var(--font-family-display);
  font-size: 1.5rem;
  margin-bottom: var(--space-3);
  color: #0052A3;
}
.eng-scope-row__body p {
  color: #5b6472;
  max-width: 28rem;
  font-size: 0.9875rem;
}

/* ── 业绩数据 ── */
.eng-stats__grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(2, 1fr);
  text-align: left;
  position: relative;
  z-index: 1;
}
@media (min-width: 768px) {
  .eng-stats__grid { grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }
}
.eng-stats__grid > div {
  padding: 1.5rem 1.25rem;
  border-left: 2px solid rgba(166,124,71,0.55);
  background: rgba(255,255,255,0.04);
  border-radius: 0 4px 4px 0;
  backdrop-filter: blur(2px);
}
.eng-stat-num {
  display: block;
  font-size: clamp(2.125rem, 5vw, 3rem);
  font-weight: 700;
  font-family: var(--font-family-mono);
  color: #FF5A36;
  line-height: 1.15;
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}
.eng-stats__grid > div > span:last-child {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.8);
}

/* ── 工程案例卡片 ── */
.eng-case-grid {
  display: grid;
  gap: clamp(1.75rem, 3vw, 2.5rem);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
@media (min-width: 992px) {
  .eng-case-grid { grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }
}
.eng-case-card {
  display: flex;
  flex-direction: column;
  border-radius: 4px;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-eng);
  border: 1px solid rgba(26, 71, 66, 0.06);
  color: inherit;
  text-decoration: none;
  text-align: left;
  height: 100%;
}
.eng-case-card__img {
  position: relative;
  overflow: hidden;
}
.eng-case-card__img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,71,66,0.35), transparent 50%);
  pointer-events: none;
}
.eng-case-card__img img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.eng-case-card:hover .eng-case-card__img img {
  transform: none;
}
.eng-case-card__body {
  padding: 1.5rem 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.eng-case-card__tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #fff;
  background: #D92D3A;
  padding: 0.25rem 0.55rem;
  border-radius: 2px;
  margin-bottom: var(--space-3);
}
.eng-case-card__body h3 {
  font-size: 1.0625rem;
  margin-bottom: var(--space-2);
}
.eng-case-card__meta {
  font-size: 0.875rem;
  color: #6b7280;
  margin-top: auto;
  line-height: 1.65;
}

/* ── 资质荣誉 ── */
.eng-cert-grid {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.25rem);
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}
.eng-cert {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: #fff;
  border-radius: 4px;
  border: 1px solid rgba(166, 124, 71, 0.28);
  border-bottom: 3px solid #D92D3A;
  box-shadow: var(--shadow-eng);
  text-align: center;
  color: #2F2D2A;
  cursor: pointer;
}
.eng-cert::before { content: none; display: none; }
.eng-cert__img {
  width: 100%;
  aspect-ratio: 3/4;
  border-radius: 2px;
  overflow: hidden;
  background: #F5F0E6;
  border: 1px solid rgba(166, 124, 71, 0.2);
}
.eng-cert__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.eng-cert__title {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.45;
  padding: 0 0.25rem 0.35rem;
}

/* ── 企业实力实拍 ── */
.eng-strength-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 768px) {
  .eng-strength-grid { grid-template-columns: repeat(4, 1fr); }
}
.eng-strength-item {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-eng);
}
.eng-strength-item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
  filter: brightness(0.88);
  transition: transform 0.45s ease, filter 0.45s ease;
}
.eng-strength-item:hover img {
  transform: none;
  filter: brightness(1);
}
.eng-strength-item span {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: var(--space-4) var(--space-3) var(--space-3);
  background: linear-gradient(transparent, rgba(15,47,44,0.88));
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ── 中标公告 ── */
.eng-news-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.25rem; }
.eng-news-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: 1.25rem 1.5rem;
  text-align: left;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  box-shadow: var(--shadow-eng);
  border-left: 3px solid #0052A3;
  margin: 0;
}
.eng-news-item:hover {
  box-shadow: var(--shadow-eng-hover);
  border-left-color: #D92D3A;
  transform: none;
}
/* 新闻资讯页：多条 article 列表间距 */
.site-engineering .eng-section > .container > .eng-news-item,
.site-engineering article.eng-news-item {
  margin: 0 0 1.25rem;
}
.site-engineering .eng-section > .container > .eng-news-item:last-child,
.site-engineering article.eng-news-item:last-child {
  margin-bottom: 0;
}
.site-engineering .eng-section > .container:has(> .eng-news-item) {
  display: grid;
  gap: 1.25rem;
}
.site-engineering .eng-section > .container:has(> .eng-news-item) > .eng-news-item {
  margin: 0;
}
.eng-news-item a {
  color: #1a1f2e;
  text-decoration: none;
  font-weight: 600;
  flex: 1;
  transition: color 0.2s ease;
}
.eng-news-item a:hover { color: #0052A3; }
.eng-news-item time {
  font-size: 0.8125rem;
  font-family: var(--font-family-mono);
  color: #6b7280;
  white-space: nowrap;
}
.eng-news-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff;
  background: #D92D3A;
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
  flex-shrink: 0;
}

/* ── 咨询对接 ── */
.eng-lead__grid {
  display: grid;
  gap: var(--space-10);
  align-items: start;
  position: relative;
  z-index: 1;
}
@media (min-width: 992px) {
  .eng-lead__grid { grid-template-columns: 1fr 1.15fr; gap: 3.5rem; }
}
.eng-lead__grid h2 {
  color: #fff;
  font-size: clamp(1.5rem, 2.5vw, 1.875rem);
}
.eng-lead__grid > div > p {
  color: rgba(255,255,255,0.85);
  margin-top: var(--space-4);
  max-width: 28rem;
}
.eng-lead__form {
  background: #fff;
  padding: 1.25rem 1.35rem;
  border-radius: 4px;
  display: grid;
  gap: 0.75rem;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.18);
  border-top: 3px solid #D92D3A;
  color: #2F2D2A;
}
.eng-lead__form label,
.site-engineering .eng-lead__form .form-field label {
  font-size: 0.75rem;
  font-weight: 600;
  color: #2F2D2A;
  display: block;
  margin-bottom: 0.25rem;
}
.eng-lead__form input,
.eng-lead__form select,
.eng-lead__form textarea,
.site-engineering .eng-lead__form .form-field input,
.site-engineering .eng-lead__form .form-field select,
.site-engineering .eng-lead__form .form-field textarea {
  width: 100%;
  min-height: 2rem;
  padding: 0.35rem 0.6rem;
  border: 1px solid #E2E8F0;
  border-radius: 3px;
  font-size: 0.8125rem;
  line-height: 1.4;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  background: #FFFFFF;
  color: #2F2D2A;
}
.site-engineering .eng-lead__form .form-field textarea {
  min-height: 4.5rem;
  resize: vertical;
}
.eng-lead__form input:focus,
.eng-lead__form select:focus,
.eng-lead__form textarea:focus,
.site-engineering .eng-lead__form .form-field input:focus,
.site-engineering .eng-lead__form .form-field select:focus,
.site-engineering .eng-lead__form .form-field textarea:focus {
  outline: none;
  border-color: #0052A3;
  box-shadow: 0 0 0 2px rgba(26, 71, 66, 0.12);
}
.site-engineering .eng-lead__form .btn-red {
  padding: 0.5rem 1.1rem;
  font-size: 0.875rem;
  justify-self: start;
}

/* ── 发展历程 ── */
.eng-timeline {
  --eng-rail-x: 0.5rem;
  --eng-rail-pad: 2rem;
  display: grid;
  gap: 0;
  max-width: 48rem;
  position: relative;
  padding-left: var(--eng-rail-pad);
}
.eng-timeline::before {
  content: "";
  position: absolute;
  left: var(--eng-rail-x);
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(#D92D3A, rgba(166,124,71,0.12));
}
.eng-timeline__item {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: var(--space-4);
  text-align: left;
  position: relative;
  padding: 0 0 1.75rem 0;
  border-bottom: none;
}
.eng-timeline__item::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--eng-rail-pad) + var(--eng-rail-x));
  top: 0.45rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  transform: translateX(-50%);
  background: #D92D3A;
  box-shadow: 0 0 0 4px rgba(166,124,71,0.2);
}
.eng-timeline__year {
  font-size: 1.25rem;
  font-weight: 700;
  color: #D92D3A;
  font-family: var(--font-family-mono);
  letter-spacing: -0.02em;
}

/* ── 页脚 ── */
.site-engineering .site-footer {
  background: #071324;
  color: rgba(255,255,255,0.85);
  border-top: 3px solid #D92D3A;
}
.site-engineering .site-footer h3 { color: #fff; font-size: 1rem; }
.site-engineering .site-footer a { color: rgba(255,255,255,0.72); }
.site-engineering .site-footer a:hover { color: #FF5A36; }
.site-engineering .footer-grid {
  display: grid;
  gap: var(--space-6) var(--space-5);
  grid-template-columns: 1.35fr repeat(4, minmax(0, 1fr));
  align-items: start;
}
@media (max-width: 991px) {
  .site-engineering .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 575px) {
  .site-engineering .footer-grid {
    grid-template-columns: 1fr;
  }
}
.site-engineering .footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-4);
  margin-top: var(--space-8);
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
}
.site-engineering .footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  margin-top: var(--space-4);
}
.site-engineering .site-footer li span {
  color: rgba(255,255,255,0.72);
}

.site-engineering .breadcrumb-bar { display: none; }

/* ── 内页 Hero ── */
.site-engineering .mod-page-hero {
  position: relative;
  overflow: hidden;
  padding: 5.75rem 0 4.75rem;
}
.site-engineering .mod-page-hero--dark {
  background: linear-gradient(135deg, #0052A3 0%, #0052A3 55%, #0F2F2C 100%);
}
.site-engineering .mod-page-hero--dark,
.site-engineering .mod-page-hero--dark h1,
.site-engineering .mod-page-hero--dark h2,
.site-engineering .mod-page-hero--dark h3,
.site-engineering .mod-page-hero--dark p,
.site-engineering .mod-page-hero--dark .mod-page-hero__lead,
.site-engineering .mod-page-hero--dark .mod-eyebrow {
  color: #fff;
}
.site-engineering .mod-page-hero--dark .mod-page-hero__lead,
.site-engineering .mod-page-hero--dark .text-muted {
  color: rgba(255,255,255,0.82);
}
.site-engineering .mod-page-hero--has-bg .mod-page-hero__photo {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: translateZ(0);
}
.site-engineering .mod-page-hero--has-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(26,71,66,0.9) 0%, rgba(26,71,66,0.7) 55%, rgba(15,47,44,0.5) 100%);
}
.site-engineering .mod-page-hero__inner {
  position: relative;
  z-index: 2;
  max-width: 42rem;
}
.site-engineering .mod-page-hero h1 {
  color: #fff;
  font-size: clamp(1.875rem, 3.5vw, 2.625rem);
}
.site-engineering .mod-page-hero .mod-eyebrow {
  color: #FF5A36;
  letter-spacing: 0.12em;
  font-weight: 700;
}
.site-engineering .mod-page-section {
  padding: 5rem 0;
}
.site-engineering .mod-page-section--muted {
  background: #F8FAFC;
}
.site-engineering .mod-page-cta,
.site-engineering .mod-page-cta h2,
.site-engineering .mod-page-cta p {
  color: #fff;
  background: linear-gradient(125deg, #0052A3, #0052A3);
  padding: 5rem 0;
}
.site-engineering .mod-page-stats,
.site-engineering .mod-page-stats span,
.site-engineering .mod-page-stats strong {
  color: #fff;
}
.site-engineering .mod-page-stats strong {
  color: #FF5A36;
}
.site-engineering .eng-page-block {
  margin-bottom: var(--space-8);
  padding: 1.75rem;
  background: #fff;
  border-radius: 4px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-eng);
  border-left: 3px solid #0052A3;
}
.site-engineering .eng-page-block h2,
.site-engineering .eng-page-block h3 {
  margin-bottom: var(--space-3);
}
.site-engineering .eng-page-block p + p {
  margin-top: var(--space-3);
}
.site-engineering .eng-news-item__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}
.site-engineering .eng-news-item__head span {
  font-weight: 700;
  font-size: 1.125rem;
  color: #1a1f2e;
}
.site-engineering .eng-jobs-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.site-engineering .eng-job-card {
  padding: 1.75rem;
  background: #fff;
  border-radius: 4px;
  box-shadow: var(--shadow-eng);
  border: 1px solid var(--color-border);
  border-bottom: 3px solid #D92D3A;
}
/* ── 联系我们页 ── */
.site-engineering .eng-contact-layout {
  display: grid;
  gap: 2rem;
  align-items: start;
}
@media (min-width: 992px) {
  .site-engineering .eng-contact-layout {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.15fr);
    gap: 2.5rem;
  }
}
.site-engineering .eng-contact-side {
  padding: 2rem 1.75rem;
  background: linear-gradient(165deg, #F8FAFC 0%, #fff 55%);
  border-radius: 4px;
  border: 1px solid var(--color-border);
  border-top: 3px solid #0052A3;
  box-shadow: var(--shadow-eng);
  height: 100%;
}
.site-engineering .eng-contact-side__eyebrow {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #D92D3A;
  margin-bottom: var(--space-3);
  font-family: var(--font-family-display);
}
.site-engineering .eng-contact-side h2,
.site-engineering .eng-contact-side h3 {
  margin: 0 0 var(--space-3);
  color: #0052A3;
  font-size: 1.35rem;
}
.site-engineering .eng-contact-side > p {
  color: #5b6472;
  font-size: 0.9375rem;
  margin-bottom: var(--space-6);
}
.site-engineering .eng-contact-side ul,
.site-engineering .eng-contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0;
}
.site-engineering .eng-contact-side li,
.site-engineering .eng-contact-list li {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: var(--space-3);
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9375rem;
  align-items: baseline;
}
.site-engineering .eng-contact-side li:last-child,
.site-engineering .eng-contact-list li:last-child {
  border-bottom: none;
}
.site-engineering .eng-contact-side li strong,
.site-engineering .eng-contact-list li strong {
  color: #0052A3;
  font-size: 0.8125rem;
  font-weight: 700;
}
.site-engineering .eng-contact-panel {
  background: #fff;
  border-radius: 4px;
  border: 1px solid var(--color-border);
  border-top: 3px solid #D92D3A;
  box-shadow: var(--shadow-eng);
  padding: 2rem 1.75rem;
}
.site-engineering .eng-contact-panel__head {
  margin-bottom: 1.5rem;
}
.site-engineering .eng-contact-panel__head h2 {
  margin: 0 0 var(--space-2);
  color: #0052A3;
  font-size: 1.35rem;
}
.site-engineering .eng-contact-panel__head p {
  color: #6B6560;
  font-size: 0.9rem;
}
.site-engineering .eng-contact-panel .contact-form,
.site-engineering .eng-contact-panel .mod-page-form {
  display: grid;
  gap: 0.85rem;
  max-width: none;
}
.site-engineering .eng-contact-panel .form-field label {
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: #2F2D2A;
}
.site-engineering .eng-contact-panel .form-field input,
.site-engineering .eng-contact-panel .form-field select,
.site-engineering .eng-contact-panel .form-field textarea {
  min-height: 2.25rem;
  padding: 0.45rem 0.7rem;
  font-size: 0.875rem;
  border-radius: 3px;
  border: 1px solid #E2E8F0;
  background: #FFFFFF;
}
.site-engineering .eng-contact-panel .form-field textarea {
  min-height: 6.5rem;
}
.site-engineering .eng-contact-panel .form-row {
  display: grid;
  gap: 0.85rem;
}
@media (min-width: 640px) {
  .site-engineering .eng-contact-panel .form-row {
    grid-template-columns: 1fr 1fr;
  }
}
.site-engineering .eng-contact-panel .checkbox-field {
  margin-top: 0.25rem;
}
.site-engineering .eng-contact-panel .btn-primary {
  justify-self: start;
  margin-top: 0.35rem;
}
.site-engineering .mod-page-contact-info {
  display: none;
}

/* ── 资质预览弹窗 ── */
.eng-cert-dialog {
  border: none;
  border-radius: 4px;
  padding: 0;
  max-width: 90vw;
  max-height: 90vh;
  background: transparent;
}
.eng-cert-dialog::backdrop {
  background: rgba(10, 36, 34, 0.78);
  backdrop-filter: blur(4px);
}
.eng-cert-dialog__inner {
  background: #fff;
  padding: var(--space-8) var(--space-6);
  border-radius: 4px;
  text-align: center;
  position: relative;
  border-top: 3px solid #D92D3A;
  color: #2F2D2A;
}
.eng-cert-dialog__img {
  display: block;
  width: min(240px, 70vw);
  height: auto;
  margin: 0 auto var(--space-4);
  border: 1px solid rgba(166, 124, 71, 0.28);
  border-radius: 2px;
  background: #F5F0E6;
}
.eng-cert-dialog__inner h3 {
  color: #0052A3;
}
.eng-cert-dialog__close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background: #0052A3;
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 0.35rem 0.75rem;
  cursor: pointer;
}

/* ── 团队 / 步骤 / 列表 ── */
.site-engineering .mod-page-team {
  background: #fff;
  border-radius: 4px;
  padding: 1.75rem;
  box-shadow: var(--shadow-eng);
  border: 1px solid var(--color-border);
  border-bottom: 3px solid #D92D3A;
}
.site-engineering .mod-page-team__avatar img {
  width: 72px;
  height: 72px;
  border-radius: 4px;
  object-fit: cover;
  background: #F8FAFC;
}
.site-engineering .mod-page-steps {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}
.site-engineering .mod-page-step {
  background: #fff;
  border-radius: 4px;
  padding: 1.5rem 1.25rem;
  box-shadow: var(--shadow-eng);
  border: 1px solid var(--color-border);
  text-align: left;
  min-height: 7.5rem;
}
.site-engineering .mod-page-step span {
  display: inline-flex;
  width: 2rem;
  height: 2rem;
  align-items: center;
  justify-content: center;
  background: #0052A3;
  color: #fff;
  border-radius: 2px;
  font-weight: 700;
  font-size: 0.875rem;
  margin-bottom: 0.85rem;
  font-family: var(--font-family-mono);
}
.site-engineering .mod-page-step p {
  font-size: 0.9375rem;
  line-height: 1.55;
  margin: 0;
}
.site-engineering .mod-page-list {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0 0;
}
.site-engineering .mod-page-list li {
  position: relative;
  padding: 0.7rem 0 0.7rem 1.35rem;
  border-bottom: 1px solid var(--color-border);
}
.site-engineering .mod-page-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.1rem;
  width: 8px;
  height: 8px;
  background: #D92D3A;
  border-radius: 1px;
}

/* ── 企业实力页 ── */
.site-engineering .eng-about-intro {
  display: grid;
  gap: 2.5rem;
  align-items: start;
}
@media (min-width: 992px) {
  .site-engineering .eng-about-intro {
    grid-template-columns: 1.35fr 1fr;
    gap: 3rem;
  }
}
.site-engineering .eng-about-intro__main .eng-section__head {
  margin-bottom: 1.5rem;
}
.site-engineering .eng-about-intro__main > p {
  color: #5b6472;
  font-size: 1rem;
  line-height: 1.85;
}
.site-engineering .eng-about-intro__extra {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  color: #5b6472;
}
.site-engineering .eng-about-intro__side {
  background: linear-gradient(165deg, #fff 0%, #F5F0E6 100%);
  border: 1px solid var(--color-border);
  border-top: 3px solid #D92D3A;
  border-radius: 4px;
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-eng);
}
.site-engineering .eng-about-intro__side h3 {
  margin: 0 0 1.25rem;
  color: #0052A3;
  font-size: 1.15rem;
}
.site-engineering .eng-value-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.85rem;
}
.site-engineering .eng-value-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: start;
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(26, 71, 66, 0.08);
  font-size: 0.9375rem;
  color: #2F2D2A;
  line-height: 1.55;
}
.site-engineering .eng-value-item:last-child { border-bottom: none; }
.site-engineering .eng-value-item__num {
  font-family: var(--font-family-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: #D92D3A;
}
.site-engineering .eng-adv-card__num {
  display: block;
  font-family: var(--font-family-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: #D92D3A;
  margin-bottom: 0.75rem;
}
.site-engineering .mod-page-team-grid {
  gap: 1.25rem;
}
.site-engineering .mod-page-team {
  height: 100%;
}

/* ── 业务范围页 ── */
.site-engineering .eng-scope-card-grid {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.25rem);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
@media (min-width: 992px) {
  .site-engineering .eng-scope-card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.site-engineering .eng-scope-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid rgba(26, 71, 66, 0.08);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-eng);
  color: inherit;
  text-decoration: none;
  height: 100%;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.site-engineering .eng-scope-card:hover {
  box-shadow: var(--shadow-eng-hover);
  border-color: rgba(166, 124, 71, 0.4);
}
.site-engineering .eng-scope-card__img {
  position: relative;
  overflow: hidden;
}
.site-engineering .eng-scope-card__img img {
  display: block;
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}
.site-engineering .eng-scope-card__num {
  position: absolute;
  left: 0.85rem;
  bottom: 0.85rem;
  font-family: var(--font-family-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: #fff;
  background: rgba(26, 71, 66, 0.85);
  border: 1px solid rgba(166, 124, 71, 0.55);
  padding: 0.25rem 0.55rem;
  border-radius: 2px;
}
.site-engineering .eng-scope-card__body {
  padding: 1.35rem 1.35rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.site-engineering .eng-scope-card__body h3 {
  margin: 0 0 0.5rem;
  color: #0052A3;
  font-size: 1.15rem;
}
.site-engineering .eng-scope-card__body p {
  color: #5b6472;
  font-size: 0.9375rem;
  flex: 1;
  margin: 0 0 1rem;
}
.site-engineering .eng-scope-card__link {
  font-size: 0.875rem;
  font-weight: 600;
  color: #D92D3A;
}

/* ── 新闻资讯页 ── */
.site-engineering .eng-news-feed {
  display: grid;
  gap: 1.25rem;
  max-width: 56rem;
}
.site-engineering .eng-news-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  box-shadow: var(--shadow-eng);
  border-left: 3px solid #0052A3;
  padding: 1.35rem 1.5rem 1.5rem;
  margin: 0;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.site-engineering .eng-news-card:hover {
  box-shadow: var(--shadow-eng-hover);
  border-left-color: #D92D3A;
}
.site-engineering .eng-news-card__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
}
.site-engineering .eng-news-card__meta time {
  font-family: var(--font-family-mono);
  font-size: 0.8125rem;
  color: #D92D3A;
  font-weight: 600;
}
.site-engineering .eng-news-card__title {
  margin: 0 0 0.65rem;
  font-size: 1.125rem;
  color: #1A1F1E;
  line-height: 1.4;
}
.site-engineering .eng-news-card__body {
  margin: 0;
  color: #5b6472;
  font-size: 0.9375rem;
  line-height: 1.75;
}
.site-engineering .eng-news-note {
  max-width: 48rem;
  padding: 1.75rem 1.5rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  border-left: 3px solid #D92D3A;
  box-shadow: var(--shadow-eng);
}
.site-engineering .eng-news-note h2 {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
  color: #0052A3;
}
.site-engineering .eng-news-note p {
  margin: 0;
  color: #5b6472;
}

/* ── 资质荣誉页 ── */
.site-engineering .eng-certs-strip {
  background: #0A192F;
  color: #fff;
  padding: 1.75rem 0;
  border-bottom: 1px solid rgba(166, 124, 71, 0.35);
}
.site-engineering .eng-certs-strip__grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 768px) {
  .site-engineering .eng-certs-strip__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
  }
}
.site-engineering .eng-certs-strip__grid > div {
  padding-left: 1rem;
  border-left: 2px solid rgba(166, 124, 71, 0.55);
}
.site-engineering .eng-certs-strip__grid strong {
  display: block;
  font-family: var(--font-family-mono);
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  color: #FF5A36;
  line-height: 1.2;
  margin-bottom: 0.3rem;
}
.site-engineering .eng-certs-strip__grid span {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.78);
}
.site-engineering .eng-cert-grid--page {
  gap: clamp(1.5rem, 3vw, 2.25rem);
}
@media (min-width: 992px) {
  .site-engineering .eng-cert-grid--page {
    grid-template-columns: repeat(4, 1fr);
  }
}
@media (min-width: 1200px) {
  .site-engineering .eng-cert-grid--page {
    grid-template-columns: repeat(5, 1fr);
  }
}
.site-engineering .eng-cert-grid--page .eng-cert {
  padding: 0.85rem;
  background: #fff;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.site-engineering .eng-cert-grid--page .eng-cert:hover {
  border-color: rgba(166, 124, 71, 0.55);
  box-shadow: var(--shadow-eng-hover);
}
.site-engineering .eng-cert-grid--page .eng-cert__title {
  font-size: 0.8125rem;
  min-height: 2.6em;
}
.site-engineering .eng-cert-notes {
  display: grid;
  gap: 1.15rem;
}
@media (min-width: 768px) {
  .site-engineering .eng-cert-notes {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}
.site-engineering .eng-cert-note {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1.5rem 1.35rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  box-shadow: var(--shadow-eng);
  border-top: 3px solid #D92D3A;
  height: 100%;
}
.site-engineering .eng-cert-note__num {
  font-family: var(--font-family-mono);
  font-size: 1.125rem;
  font-weight: 700;
  color: #D92D3A;
  line-height: 1.2;
}
.site-engineering .eng-cert-note__body h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  color: #0052A3;
}
.site-engineering .eng-cert-note__body p {
  margin: 0;
  font-size: 0.9375rem;
  color: #5b6472;
  line-height: 1.7;
}
.site-engineering .eng-certs-faq {
  max-width: 52rem;
}
.site-engineering .eng-certs-faq .accordion-faq {
  margin-top: 0.25rem;
}
.site-engineering .eng-certs-faq .accordion-item {
  border-left: 3px solid #0052A3;
}

/* ── 表单 / FAQ ── */
.site-engineering .contact-form .btn-primary,
.site-engineering .contact-form button[type="submit"] {
  background: #D92D3A;
  border: 1px solid #D92D3A;
  color: #fff;
  font-weight: 700;
  border-radius: 4px;
}
.site-engineering .contact-form .btn-primary:hover,
.site-engineering .contact-form button[type="submit"]:hover {
  background: #8B6839;
}
.site-engineering .accordion-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  margin-bottom: var(--space-3);
  box-shadow: var(--shadow-eng);
  overflow: hidden;
}
.site-engineering .accordion-trigger {
  font-weight: 600;
  color: #1a1f2e;
  padding: 1.1rem 1.25rem;
}
.site-engineering .accordion-trigger:hover {
  background: #F8FAFC;
}
.site-engineering .accordion-panel {
  padding: 0 1.25rem 1.15rem;
  color: #5b6472;
}

/* ── 项目案例详情 ── */
.site-engineering .eng-case-hero {
  position: relative;
  min-height: min(68vh, 36rem);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: #fff;
}
.site-engineering .eng-case-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.site-engineering .eng-case-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(10, 36, 34, 0.9) 0%, rgba(26, 71, 66, 0.62) 55%, rgba(10, 36, 34, 0.35) 100%),
    linear-gradient(to top, rgba(10, 36, 34, 0.92), transparent 55%);
}
.site-engineering .eng-case-hero__inner {
  position: relative;
  z-index: 2;
  padding: clamp(3.5rem, 8vh, 5.5rem) 0 3.5rem;
  max-width: 46rem;
  color: #fff;
}
.site-engineering .eng-case-hero__back {
  display: inline-block;
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  font-size: 0.875rem;
  margin-bottom: var(--space-5);
}
.site-engineering .eng-case-hero__back:hover { color: #FF5A36; }
.site-engineering .eng-case-hero__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #fff;
  background: #D92D3A;
  padding: 0.3rem 0.65rem;
  border-radius: 2px;
  margin-bottom: var(--space-4);
}
.site-engineering .eng-case-hero h1 {
  color: #fff;
  margin: 0 0 var(--space-4);
}
.site-engineering .eng-case-hero__lead {
  color: rgba(255,255,255,0.88);
  font-size: 1.05rem;
  max-width: 36rem;
  margin-bottom: var(--space-6);
}
.site-engineering .eng-case-hero__metric {
  display: inline-flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 1.25rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(166,124,71,0.45);
  border-left: 3px solid #D92D3A;
  border-radius: 2px;
}
.site-engineering .eng-case-hero__metric strong {
  font-family: var(--font-family-mono);
  font-size: 1.5rem;
  color: #FF5A36;
}
.site-engineering .eng-case-hero__metric span {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.7);
}
.site-engineering .eng-case-story {
  display: grid;
  gap: 1.25rem;
  max-width: 56rem;
}
.site-engineering .eng-case-block {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  padding: 1.75rem 1.5rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  box-shadow: var(--shadow-eng);
  border-left: 3px solid #0052A3;
}
.site-engineering .eng-case-block--accent {
  border-left-color: #D92D3A;
  background: linear-gradient(165deg, #fff 0%, #F5F0E6 100%);
}
.site-engineering .eng-case-block__index {
  font-family: var(--font-family-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: #D92D3A;
  line-height: 1.2;
}
.site-engineering .eng-case-block__body h2 {
  margin: 0 0 var(--space-3);
  font-size: 1.25rem;
  color: #0052A3;
}
.site-engineering .eng-case-block__body p {
  color: #5b6472;
  margin: 0;
}
.site-engineering .eng-case-hi-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.site-engineering .eng-case-hi {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1.25rem 1.15rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  box-shadow: var(--shadow-eng);
}
.site-engineering .eng-case-hi__num {
  flex-shrink: 0;
  font-family: var(--font-family-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: #fff;
  background: #0052A3;
  width: 2rem;
  height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
}
.site-engineering .eng-case-hi__text {
  font-weight: 600;
  color: #2F2D2A;
  line-height: 1.5;
  padding-top: 0.2rem;
}
.site-engineering .eng-case-visual {
  display: grid;
  gap: 2rem;
  align-items: center;
}
@media (min-width: 900px) {
  .site-engineering .eng-case-visual {
    grid-template-columns: 1.35fr 1fr;
    gap: 3rem;
  }
}
.site-engineering .eng-case-visual__frame {
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-eng-hover);
  border: 1px solid rgba(26, 71, 66, 0.1);
}
.site-engineering .eng-case-visual__frame img {
  display: block;
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}
.site-engineering .eng-case-visual__cap h2 {
  color: #0052A3;
  margin-bottom: var(--space-3);
}
.site-engineering .eng-case-visual__cap p {
  color: #5b6472;
  margin-bottom: var(--space-6);
}
.site-engineering .eng-case-grid--related {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
@media (min-width: 992px) {
  .site-engineering .eng-case-grid--related {
    grid-template-columns: repeat(2, 1fr);
  }
}
.site-engineering .eng-case-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2rem;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}
.site-engineering .eng-case-cta h2 {
  color: #fff;
  margin: 0 0 var(--space-3);
}
.site-engineering .eng-case-cta p {
  color: rgba(255,255,255,0.85);
  margin: 0;
  max-width: 32rem;
}

/* Keep the full project ledger readable on narrow screens. */
.site-engineering .eng-project-table-wrap {
  overflow-x: auto;
  padding: var(--space-6);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  -webkit-overflow-scrolling: touch;
}

.site-engineering .eng-project-table-wrap:focus-visible {
  outline: 3px solid rgba(0, 82, 163, 0.35);
  outline-offset: 3px;
}

.site-engineering .eng-project-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  text-align: left;
  font-size: var(--font-size-sm);
}

/* ── 移动端 ── */
@media (max-width: 767px) {
  .site-engineering .eng-project-table-wrap { padding: var(--space-3); }
  .eng-section { padding: 3.5rem 0; }
  .site-engineering .mod-page-section { padding: 3.5rem 0; }
  .eng-banner { min-height: 70vh; }
  .eng-banner__content { max-width: none; }
  .eng-banner__dots {
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    bottom: var(--space-4);
  }
  .eng-case-grid { grid-template-columns: 1fr; }
  .eng-stats__grid { grid-template-columns: 1fr 1fr; gap: var(--space-3); }
  .eng-stats__grid > div { padding: 1rem; }
  .eng-lead__form { padding: 1.5rem; }
  .eng-section__head { padding-left: 0.9rem; }
}


/* ─────────────────────────────────────────────────────────────
   Beijing Yinglite Modern High-Contrast & Color Refinements
   ───────────────────────────────────────────────────────────── */
body.site-engineering {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-family-sans);
}

.site-header {
  background: #0A192F !important;
  border-bottom: 2px solid var(--color-primary);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.site-header .site-logo span {
  color: #FFFFFF !important;
  font-size: 1.3rem !important;
}

.primary-nav > a {
  color: #E2E8F0 !important;
  font-weight: 500;
  transition: color 0.2s ease;
}

.primary-nav > a:hover,
.primary-nav > a[aria-current="page"] {
  color: #FFFFFF !important;
  border-bottom: 2px solid var(--color-accent) !important;
}

.header-cta,
.btn-red {
  background: linear-gradient(135deg, #D92D3A 0%, #D90429 100%) !important;
  color: #FFFFFF !important;
  border: none !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 14px rgba(217, 45, 58, 0.35) !important;
  transition: transform 0.2s ease, box-shadow 0.2s ease !important;
}

.header-cta:hover,
.btn-red:hover {
  background: linear-gradient(135deg, #D90429 0%, #BA0018 100%) !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(217, 45, 58, 0.45) !important;
}

.btn-primary {
  background: linear-gradient(135deg, #0052A3 0%, #0066CC 100%) !important;
  color: #FFFFFF !important;
  border: none !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 14px rgba(0, 82, 163, 0.3) !important;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #003D7A 0%, #0052A3 100%) !important;
  transform: translateY(-2px);
}

/* Contact page specific crystal clear contrast */
.contact-info-card {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: 2.5rem;
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.05);
}

.contact-info-card h2,
.contact-info-card p,
.contact-info-card strong,
.contact-info-card span {
  color: #1E293B !important;
}

.contact-info-card a {
  color: #0052A3 !important;
  font-weight: 700;
  text-decoration: none;
}

.contact-info-card a:hover {
  text-decoration: underline;
}

.eng-lead__form {
  background: #FFFFFF !important;
  border: 1px solid #E2E8F0 !important;
  border-radius: 12px !important;
  padding: 2.5rem !important;
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.05) !important;
}

.eng-lead__form label {
  color: #1E293B !important;
  font-weight: 600 !important;
}

.eng-lead__form input,
.eng-lead__form select,
.eng-lead__form textarea {
  background: #F8FAFC !important;
  border: 1px solid #CBD5E1 !important;
  color: #0F172A !important;
  border-radius: 8px !important;
}

.eng-lead__form input:focus,
.eng-lead__form select:focus,
.eng-lead__form textarea:focus {
  background: #FFFFFF !important;
  border-color: #0052A3 !important;
  box-shadow: 0 0 0 3px rgba(0, 82, 163, 0.15) !important;
  outline: none !important;
}

/* Section titles & Eyebrows */
.eng-section__eyebrow {
  color: #D92D3A !important;
  font-weight: 700 !important;
  letter-spacing: 0.12em !important;
  text-transform: uppercase !important;
}

.eng-section__head h2 {
  color: #0F172A !important;
  font-weight: 800 !important;
}

.eng-section__head p {
  color: #64748B !important;
}

/* Advantage & Scope Cards */
.eng-adv-card {
  background: #FFFFFF !important;
  border: 1px solid #E2E8F0 !important;
  border-top: 4px solid var(--color-primary) !important;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04) !important;
}

.eng-adv-card h3 {
  color: #0F172A !important;
}

.eng-adv-card p {
  color: #475569 !important;
}

.eng-adv-card__icon {
  background: #EBF3FC !important;
  color: #0052A3 !important;
}

.eng-scope-row__badge {
  background: #EBF3FC !important;
  color: #0052A3 !important;
  border: 1px solid #BFDBFE !important;
}

.eng-scope-row h3 {
  color: #0F172A !important;
}

.eng-scope-row p {
  color: #475569 !important;
}

/* Navy stats bar */
.eng-section--navy {
  background: linear-gradient(135deg, #071324 0%, #0F325E 100%) !important;
  color: #FFFFFF !important;
}

.eng-section--navy .eng-section__head h2,
.eng-section--navy .eng-section__head p,
.eng-section--navy span {
  color: #FFFFFF !important;
}

.eng-stat-num {
  color: #FF5A36 !important;
}

/* Certifications */
.eng-cert {
  background: #FFFFFF !important;
  border: 1px solid #E2E8F0 !important;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04) !important;
}

.eng-cert:hover {
  border-color: #0052A3 !important;
  box-shadow: 0 8px 24px rgba(0, 82, 163, 0.12) !important;
}

.eng-cert__title {
  color: #0F172A !important;
}

/* News List */
.eng-news-item {
  background: #FFFFFF !important;
  border: 1px solid #E2E8F0 !important;
}

.eng-news-item a {
  color: #0F172A !important;
  font-weight: 600 !important;
}

.eng-news-item a:hover {
  color: #0052A3 !important;
}

.eng-news-badge {
  background: #D92D3A !important;
  color: #FFFFFF !important;
}

/* Footer */
.site-footer {
  background: #0A192F !important;
  border-top: 3px solid var(--color-primary) !important;
}

.site-footer h3,
.site-footer h1,
.site-footer p,
.site-footer span,
.site-footer a,
.site-footer li {
  color: #E2E8F0 !important;
}

.site-footer a:hover {
  color: #FF5A36 !important;
}


/* ─────────────────────────────────────────────────────────────
   Full Viewport Hero & Per-Screen Visual Adaptation (无白边 / 沉浸式首屏)
   ───────────────────────────────────────────────────────────── */
.site-engineering .eng-banner {
  height: auto !important;
  min-height: calc(100vh - var(--header-height) - 13rem) !important;
  min-height: calc(100dvh - var(--header-height) - 13rem) !important;
  display: flex !important;
  align-items: center !important;
  position: relative !important;
  overflow: hidden !important;
  box-sizing: border-box !important;
  margin: 0 !important;
  padding: 0 !important;
}

.site-engineering .eng-banner__slides {
  position: absolute !important;
  inset: 0 !important;
  width: 100% !important;
  height: 100% !important;
}

.site-engineering .eng-banner__slide {
  position: absolute !important;
  inset: 0 !important;
  width: 100% !important;
  height: 100% !important;
  background-size: cover !important;
  background-position: center center !important;
  background-repeat: no-repeat !important;
}

.site-engineering .eng-banner__slide::after {
  content: "" !important;
  position: absolute !important;
  inset: 0 !important;
  background:
    linear-gradient(105deg, rgba(10, 25, 47, 0.90) 0%, rgba(10, 25, 47, 0.60) 50%, rgba(10, 25, 47, 0.40) 100%),
    linear-gradient(to top, rgba(10, 25, 47, 0.95) 0%, transparent 60%) !important;
}

.site-engineering .eng-banner__content {
  position: relative !important;
  z-index: 3 !important;
  padding: clamp(2rem, 4vh, 3.5rem) 0 !important;
  max-width: 52rem !important;
}

.site-engineering .eng-banner__dots {
  position: absolute !important;
  bottom: 2rem !important;
  right: 3rem !important;
  z-index: 10 !important;
  display: flex !important;
  gap: 8px !important;
}

/* Ensure smooth section transitions without awkward gaps */
.site-engineering .eng-section {
  padding: clamp(4rem, 6vw, 6rem) 0;
  position: relative;
}

.site-engineering #eng-advantages {
  background: #FFFFFF;
  border-bottom: 1px solid #E2E8F0;
}

.site-engineering #eng-strength {
  background: #F8FAFC;
  border-bottom: 1px solid #E2E8F0;
}

@media (max-width: 767px) {
  .site-engineering .eng-banner {
    height: auto !important;
    min-height: calc(100vh - var(--header-height) - 11rem) !important;
    min-height: calc(100dvh - var(--header-height) - 11rem) !important;
    padding: 1rem 0 2.75rem !important;
  }
  .site-engineering .eng-banner__content {
    width: 100% !important;
    padding: 0.75rem var(--space-5) 1rem !important;
  }
  .site-engineering .eng-banner__eyebrow {
    margin-bottom: 0.75rem;
    font-size: 0.75rem;
    letter-spacing: 0;
  }
  .site-engineering .eng-banner__content h1 {
    margin-bottom: 1rem;
    font-size: 1.875rem;
    letter-spacing: 0;
  }
  .site-engineering .eng-banner__content h1::after {
    margin-top: 1rem;
  }
  .site-engineering .eng-banner__tags {
    margin-bottom: 1rem;
  }
  .site-engineering .eng-banner__sub {
    margin-bottom: 1.25rem;
    font-size: 0.9375rem;
    line-height: 1.65;
  }
  .site-engineering .eng-banner__actions {
    gap: 0.875rem 1.25rem;
    margin-bottom: 1.25rem;
  }
  .site-engineering .eng-banner__trust {
    gap: 0.75rem 1.25rem;
    padding-top: 1rem;
  }
  .site-engineering .eng-banner__dots {
    bottom: 0.25rem !important;
    right: auto !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
  }
}


/* ─────────────────────────────────────────────────────────────
   Ultra-Smooth Hardware-Accelerated 60fps/120fps Scroll Performance
   ───────────────────────────────────────────────────────────── */
html, body {
  scroll-behavior: auto !important;
  overscroll-behavior-y: auto !important;
  text-rendering: optimizeSpeed;
}

.site-engineering main,
.site-engineering .eng-section,
.site-engineering .mod-page-hero,
.site-engineering .eng-certs-strip {
  transform: translateZ(0);
  backface-visibility: hidden;
}

/* Eliminate expensive filter repaints during scrolling */
.site-engineering .mod-page-hero--has-bg::after {
  background: linear-gradient(105deg, rgba(10, 25, 47, 0.88) 0%, rgba(10, 25, 47, 0.65) 55%, rgba(10, 25, 47, 0.45) 100%) !important;
}

.site-engineering .eng-about-intro {
  display: grid;
  grid-template-columns: 1.8fr 1.2fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
}

@media (max-width: 991px) {
  .site-engineering .eng-about-intro {
    grid-template-columns: 1fr;
  }
}