.page-hero {
  position: relative; height: 450px; overflow: hidden;
  background: linear-gradient(160deg, #ffffff 0%, #f0fdf4 50%, #ecfdf5 100%);
  display: flex; align-items: center; justify-content: center;
}

/* 内页导航 - 透明背景，直接叠在banner上 */
.site-header--dark {
  background: transparent;
  backdrop-filter: none;
}
.site-header--dark .logo-text { color: #ffffff; }
.site-header--dark .logo-icon circle:first-child { stroke: #ffffff; }
.site-header--dark .logo-icon circle:nth-child(2) { fill: #ffffff; }
.site-header--dark .logo-icon line { stroke: #ffffff; }
.site-header--dark .nav-link { color: rgba(255, 255, 255, 0.85); }
.site-header--dark .nav-link:hover,
.site-header--dark .nav-link.active { color: #ffffff; }
.site-header--dark .nav-link::after { background: #ffffff; }
.site-header--dark .header-cta {
  border-color: rgba(255, 255, 255, 0.5);
  color: #ffffff;
}
.site-header--dark .header-cta:hover {
  background: #ffffff;
  color: var(--color-primary);
}
.site-header--dark .mobile-toggle span { background: #ffffff; }

/* 内页导航滚动后 */
.site-header--dark.scrolled {
  background: rgba(255, 255, 255, 0.96);
}
.site-header--dark.scrolled .logo-text { color: var(--color-text); }
.site-header--dark.scrolled .logo-icon circle:first-child { stroke: var(--color-primary); }
.site-header--dark.scrolled .logo-icon circle:nth-child(2) { fill: var(--color-primary); }
.site-header--dark.scrolled .logo-icon line { stroke: var(--color-primary); }
.site-header--dark.scrolled .nav-link { color: var(--color-text-secondary); }
.site-header--dark.scrolled .nav-link:hover,
.site-header--dark.scrolled .nav-link.active { color: var(--color-primary); }
.site-header--dark.scrolled .nav-link::after { background: var(--color-primary); }
.site-header--dark.scrolled .header-cta {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.site-header--dark.scrolled .header-cta:hover {
  background: var(--color-primary);
  color: #ffffff;
}
.site-header--dark.scrolled .mobile-toggle span { background: var(--color-text); }
.page-hero-bg { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.page-hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: rgba(0, 0, 0, 0.5); z-index: 1;
}
.page-hero-bg-img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center; z-index: 0;
}
.page-hero-grid {
  position: absolute; inset: 0; z-index: 2;
  background-image:
    linear-gradient(rgba(5,150,105,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(5,150,105,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.page-hero-glow {
  position: absolute; width: 500px; height: 500px; border-radius: 50%; z-index: 2;
  background: radial-gradient(circle, rgba(5,150,105,0.07) 0%, transparent 70%);
  top: 50%; left: 50%; transform: translate(-50%, -50%);
}
.page-hero-inner { position: relative; z-index: 3; text-align: center; }
.page-hero-content .section-tag { color: #a7f3d0; background: rgba(255,255,255,0.15); }
.page-hero-content { max-width: 640px; margin: 0 auto; }
.page-hero-title {
  font-size: 44px; font-weight: 800; line-height: 1.2; color: #ffffff;
  margin-bottom: 16px; letter-spacing: -0.5px;
}
.page-hero-subtitle { font-size: 18px; line-height: 1.7; color: rgba(255, 255, 255, 0.9); }
.page-hero-breadcrumb {
  position: relative; z-index: 1; margin-top: 40px;
  border-top: 1px solid var(--color-border); padding-top: 20px;
}
.page-hero-breadcrumb nav { font-size: 14px; color: var(--color-muted); }
.page-hero-breadcrumb a { color: var(--color-muted); transition: color var(--transition); }
.page-hero-breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb-sep { margin: 0 8px; opacity: 0.5; }
.breadcrumb-current { color: var(--color-primary); font-weight: 500; }

.about-intro { background: var(--color-bg); }
.about-intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.about-section-title {
  font-size: 30px; font-weight: 700; color: var(--color-text); margin-bottom: 28px;
  line-height: 1.3; position: relative; padding-left: 20px;
}
.about-section-title::before {
  content: ''; position: absolute; left: 0; top: 4px; bottom: 4px;
  width: 4px; border-radius: 2px; background: var(--color-primary);
}
.about-intro-body p {
  font-size: 15px; line-height: 1.8; color: var(--color-text-secondary); margin-bottom: 18px;
}
.about-intro-body p:last-child { margin-bottom: 0; }
.about-intro-visual { position: relative; }
.about-intro-img-wrap {
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-md);
}
.about-intro-img-wrap img { width: 100%; height: auto; display: block; transition: transform 0.5s ease; }
.about-intro-img-wrap:hover img { transform: scale(1.03); }
.about-intro-float-card {
  position: absolute; bottom: -24px; left: -24px;
  background: var(--color-surface); border-radius: var(--radius-md);
  padding: 20px 24px; box-shadow: var(--shadow-md);
  display: flex; align-items: center; gap: 16px;
  border: 1px solid var(--color-border);
}
.float-card-icon {
  width: 52px; height: 52px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(5,150,105,0.1), rgba(16,185,129,0.05));
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.float-card-text { display: flex; flex-direction: column; gap: 2px; }
.float-card-text strong { font-size: 15px; font-weight: 700; color: var(--color-text); }
.float-card-text span { font-size: 13px; color: var(--color-muted); }

.about-values {
  position: relative;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}
.about-values-bg {
  position: absolute; inset: 0;
  background: radial-gradient(circle at 15% 85%, rgba(5,150,105,0.04) 0%, transparent 40%),
              radial-gradient(circle at 85% 15%, rgba(14,165,233,0.03) 0%, transparent 40%);
}
.values-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.value-item {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  background: var(--color-surface); border-radius: var(--radius-lg);
  padding: 48px 32px 40px; box-shadow: var(--shadow-sm); border: 1px solid var(--color-border);
  transition: all var(--transition); position: relative; overflow: hidden;
}
.value-item::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0; transition: opacity var(--transition);
}
.value-item:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: rgba(5,150,105,0.2); }
.value-item:hover::before { opacity: 1; }
.value-icon {
  width: 80px; height: 80px; border-radius: 50%;
  background: linear-gradient(135deg, rgba(5,150,105,0.1), rgba(16,185,129,0.04));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px; transition: all var(--transition);
}
.value-item:hover .value-icon { background: linear-gradient(135deg, rgba(5,150,105,0.18), rgba(16,185,129,0.08)); transform: scale(1.05); }
.value-title { font-size: 20px; font-weight: 700; color: var(--color-text); margin-bottom: 12px; }
.value-desc { font-size: 15px; color: var(--color-muted); line-height: 1.75; }


.about-timeline-section { background: var(--color-bg); }
.timeline { position: relative; max-width: 900px; margin: 0 auto; padding: 20px 0; }
.timeline-line {
  position: absolute; left: 50%; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-accent) 100%);
  opacity: 0.2; transform: translateX(-50%);
}
.timeline-item {
  position: relative; display: flex; margin-bottom: 48px;
}
.timeline-item:last-child { margin-bottom: 0; }
.timeline-item-left { justify-content: flex-start; padding-right: calc(50% + 40px); }
.timeline-item-right { justify-content: flex-end; padding-left: calc(50% + 40px); }
.timeline-dot {
  position: absolute; left: 50%; top: 24px; width: 14px; height: 14px;
  border-radius: 50%; background: var(--color-primary); border: 3px solid var(--color-bg);
  box-shadow: 0 0 0 3px rgba(5,150,105,0.2); transform: translateX(-50%); z-index: 2;
}
.timeline-card {
  background: var(--color-surface); border-radius: var(--radius-md);
  padding: 28px; box-shadow: var(--shadow-sm); border: 1px solid var(--color-border);
  transition: all var(--transition); width: 100%;
}
.timeline-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.timeline-year {
  font-size: 14px; font-weight: 700; color: var(--color-primary); margin-bottom: 8px;
  font-family: 'Space Grotesk', var(--font-sans);
}
.timeline-title { font-size: 18px; font-weight: 700; color: var(--color-text); margin-bottom: 8px; }
.timeline-desc { font-size: 14px; color: var(--color-muted); line-height: 1.7; }

.about-team { background: var(--color-bg-alt); }
.about-team-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.about-team-img-wrap { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.about-team-img-wrap img { width: 100%; height: auto; display: block; transition: transform 0.5s ease; }
.about-team-img-wrap:hover img { transform: scale(1.03); }
.about-team-content .section-tag { margin-bottom: 16px; }
.about-team-text { font-size: 15px; color: var(--color-muted); line-height: 1.8; margin-bottom: 28px; }
.about-team-principles { display: flex; flex-direction: column; gap: 20px; }
.principle-item { display: flex; align-items: flex-start; gap: 16px; }
.principle-marker {
  width: 8px; height: 8px; border-radius: 50%; background: var(--color-primary);
  flex-shrink: 0; margin-top: 8px;
}
.principle-item strong { font-size: 15px; font-weight: 700; color: var(--color-text); display: block; margin-bottom: 4px; }
.principle-item p { font-size: 14px; color: var(--color-muted); line-height: 1.6; margin: 0; }

@media (max-width: 1024px) {
  .about-intro-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-intro-float-card { position: relative; bottom: auto; left: auto; margin-top: 20px; }
  .about-team-grid { grid-template-columns: 1fr; gap: 40px; }
  .values-list { gap: 24px; }
  .value-item { padding: 36px 24px 32px; }
  .timeline-item-left { padding-right: calc(50% + 24px); }
  .timeline-item-right { padding-left: calc(50% + 24px); }
}

@media (max-width: 768px) {
  .page-hero { height: 320px; }
  .page-hero-title { font-size: 32px; }
  .page-hero-subtitle { font-size: 16px; }
  .about-section-title { font-size: 24px; }
  .values-list { grid-template-columns: 1fr; gap: 24px; }
  .value-item { padding: 32px 24px; }
  .value-icon { width: 64px; height: 64px; margin-bottom: 18px; }
  .timeline-line { left: 20px; }
  .timeline-item-left,
  .timeline-item-right { padding-left: 52px; padding-right: 0; justify-content: flex-start; }
  .timeline-dot { left: 20px; }
  .timeline-card { padding: 20px; }

}

/* 产品/服务页面 */
.products-list { background: var(--color-bg); }
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.product-card {
  background: var(--color-surface); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); border: 1px solid var(--color-border);
  transition: all var(--transition); display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(5,150,105,0.2); }
.product-card-img { overflow: hidden; aspect-ratio: 16/9; }
.product-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.product-card:hover .product-card-img img { transform: scale(1.05); }
.product-card-body { padding: 32px; display: flex; flex-direction: column; flex: 1; }
.product-card-icon {
  width: 64px; height: 64px; border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(5,150,105,0.08), rgba(16,185,129,0.04));
  display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
}
.product-card-title { font-size: 20px; font-weight: 700; color: var(--color-text); margin-bottom: 10px; }
.product-card-desc { font-size: 14px; font-weight: 500; color: var(--color-primary); margin-bottom: 16px; line-height: 1.5; }
.product-card-features { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.feature-tag {
  font-size: 12px; font-weight: 500; color: var(--color-primary);
  padding: 4px 10px; background: rgba(5,150,105,0.08); border-radius: 12px;
}
.product-card-detail { font-size: 14px; color: var(--color-muted); line-height: 1.7; margin-bottom: 24px; flex: 1; }
.product-card-body .btn { align-self: flex-start; }

.products-features {
  position: relative;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}
.products-features-bg {
  position: absolute; inset: 0;
  background: radial-gradient(circle at 15% 85%, rgba(5,150,105,0.04) 0%, transparent 40%),
              radial-gradient(circle at 85% 15%, rgba(14,165,233,0.03) 0%, transparent 40%);
}
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.feature-item {
  background: var(--color-surface); border-radius: var(--radius-lg); padding: 32px;
  box-shadow: var(--shadow-sm); border: 1px solid var(--color-border);
  transition: all var(--transition); text-align: center;
}
.feature-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(5,150,105,0.2); }
.feature-icon {
  width: 72px; height: 72px; border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(5,150,105,0.08), rgba(16,185,129,0.04));
  display: flex; align-items: center; justify-content: center; margin: 0 auto 20px;
}
.feature-title { font-size: 18px; font-weight: 700; color: var(--color-text); margin-bottom: 10px; }
.feature-desc { font-size: 14px; color: var(--color-muted); line-height: 1.7; }

@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .products-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .product-card-body { padding: 24px; }
  .feature-item { padding: 24px; }
}

/* 新闻资讯页面 */
.news-categories { background: var(--color-bg); padding: 40px 0; }
.category-filters { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.category-btn {
  padding: 10px 24px; font-size: 14px; font-weight: 500; font-family: inherit;
  border: 1.5px solid var(--color-border); border-radius: 20px;
  background: var(--color-surface); color: var(--color-text-secondary);
  cursor: pointer; transition: all var(--transition);
}
.category-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.category-btn.active {
  background: var(--color-primary); border-color: var(--color-primary); color: #fff;
}

.news-list-section { background: var(--color-bg-alt); }
.news-pagination {
  display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 48px;
}
.pagination-btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 10px 20px;
  font-size: 14px; font-weight: 500; font-family: inherit;
  border: 1.5px solid var(--color-border); border-radius: var(--radius-sm);
  background: var(--color-surface); color: var(--color-text-secondary);
  cursor: pointer; transition: all var(--transition);
}
.pagination-btn:hover:not(:disabled) { border-color: var(--color-primary); color: var(--color-primary); }
.pagination-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.pagination-numbers { display: flex; gap: 8px; }
.pagination-num {
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 500; font-family: inherit;
  border: 1.5px solid var(--color-border); border-radius: var(--radius-sm);
  background: var(--color-surface); color: var(--color-text-secondary);
  cursor: pointer; transition: all var(--transition);
}
.pagination-num:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pagination-num.active {
  background: var(--color-primary); border-color: var(--color-primary); color: #fff;
}

.news-empty {
  text-align: center; padding: 80px 24px; color: var(--color-muted);
  font-size: 15px; background: var(--color-surface); border-radius: var(--radius-lg);
  border: 1px dashed var(--color-border);
}

@media (max-width: 768px) {
  .category-filters { gap: 8px; }
  .category-btn { padding: 8px 16px; font-size: 13px; }
  .news-pagination { flex-wrap: wrap; }
  .pagination-numbers { order: -1; width: 100%; justify-content: center; margin-bottom: 12px; }
}

/* 联系我们页面 */
.contact-section { background: var(--color-bg); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: stretch; }
.contact-section-title {
  font-size: 30px; font-weight: 700; color: var(--color-text); margin-bottom: 16px;
  line-height: 1.3; position: relative; padding-left: 20px;
}
.contact-section-title::before {
  content: ''; position: absolute; left: 0; top: 4px; bottom: 4px;
  width: 4px; border-radius: 2px; background: var(--color-primary);
}
.contact-intro { font-size: 15px; color: var(--color-muted); line-height: 1.7; margin-bottom: 32px; }
.contact-list { display: flex; flex-direction: column; gap: 24px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-icon {
  width: 48px; height: 48px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(5,150,105,0.08), rgba(16,185,129,0.04));
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-label { font-size: 13px; font-weight: 500; color: var(--color-muted); margin-bottom: 4px; }
.contact-value { font-size: 16px; font-weight: 600; color: var(--color-text); display: block; margin-bottom: 2px; }
.contact-value a { color: var(--color-text); transition: color var(--transition); }
.contact-value a:hover { color: var(--color-primary); }
.contact-note { font-size: 13px; color: var(--color-muted); margin: 0; }

.contact-info { display: flex; flex-direction: column; }
.contact-map-inline { flex: 1; display: flex; flex-direction: column; }
.contact-map-iframe { flex: 1; height: auto; min-height: 200px; }

.contact-form-wrap { position: sticky; top: 100px; }
.contact-form-card {
  background: var(--color-surface); border-radius: var(--radius-lg); padding: 40px;
  box-shadow: var(--shadow-md); border: 1px solid var(--color-border);
}
.contact-form-title { font-size: 24px; font-weight: 700; color: var(--color-text); margin-bottom: 8px; }
.contact-form-desc { font-size: 14px; color: var(--color-muted); margin-bottom: 28px; }
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 14px; font-weight: 500; color: var(--color-text); margin-bottom: 8px; }
.form-input, .form-textarea {
  width: 100%; padding: 12px 16px; font-size: 15px; font-family: inherit;
  border: 1.5px solid var(--color-border); border-radius: var(--radius-sm);
  background: var(--color-bg); color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-input:focus, .form-textarea:focus {
  outline: none; border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(5,150,105,0.1);
}
.form-input.error, .form-textarea.error { border-color: var(--color-error); }
.form-textarea { resize: vertical; min-height: 100px; }
.form-error { display: block; font-size: 13px; color: var(--color-error); margin-top: 6px; min-height: 18px; }
.form-privacy { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 24px; }
.form-privacy input[type="checkbox"] { margin-top: 3px; accent-color: var(--color-primary); }
.form-privacy label { font-size: 13px; color: var(--color-muted); line-height: 1.5; }
.btn-block { width: 100%; justify-content: center; }
.form-success {
  display: none; margin-top: 16px; padding: 12px 16px;
  background: rgba(5,150,105,0.08); border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500; color: var(--color-primary); text-align: center;
}

.contact-map-inline {
  margin-top: 24px; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); border: 1px solid var(--color-border);
}
.contact-map-iframe {
  width: 100%; border: none; display: block;
}



@media (max-width: 1024px) {
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .contact-form-wrap { position: static; }
}

@media (max-width: 768px) {
  .contact-section-title { font-size: 24px; }
  .contact-form-card { padding: 24px; }

}