/* ============================================================
   广融通供应链官网 — 子页面样式 v2.0
   与新全局样式系统保持一致
   ============================================================ */

/* 为滚动条预留空间，防止 overflow:hidden 切换时页面抖动 */
html {
  scrollbar-gutter: stable;
  overflow-x: hidden;
}

/* ============================================================
   History Grid (关于我们-发展历程)
   响应式：桌面 4 列 → 平板/手机 2 列 → 小屏 1 列
   防止内容 min-width 撑破布局视口，导致固定 Header 被推出屏幕
   ============================================================ */
.history-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 992px) {
  .history-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .history-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Page Slide Transition
   ============================================================ */
html.slide-lock { overflow: hidden; }

.slide-before, .slide-after { position: relative; z-index: 1; }

.slide-before.fade-out, .slide-after.fade-out {
  animation: pageFadeOut 0.4s var(--ease-out-expo) forwards;
}

.slide-before.fade-in, .slide-after.fade-in {
  animation: pageFadeIn 0.4s var(--ease-out-expo) forwards;
}

@keyframes pageFadeOut {
  from { opacity: 1; filter: blur(0); }
  to   { opacity: 0; filter: blur(4px); }
}

@keyframes pageFadeIn {
  from { opacity: 0; filter: blur(4px); }
  to   { opacity: 1; filter: blur(0); }
}

/* ============================================================
   Page Banner (子页面通用顶部横幅)
   ============================================================ */
.page-banner {
  position: relative;
  width: 100%;
  height: 360px;
  background: var(--color-dark-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--header-height);
  overflow: hidden;
}

/* 科技网格 */
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,126,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,126,255,0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: 1;
}

/* 光晕 */
.page-banner::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 200px;
  background: radial-gradient(ellipse at center, rgba(59,126,255,0.1) 0%, transparent 70%);
  z-index: 1;
  pointer-events: none;
}

.page-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,14,26,0.6) 0%, rgba(10,14,26,0.85) 100%);
  z-index: 2;
}

.page-banner-content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: #fff;
}

.page-banner-content h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--weight-extrabold);
  margin-bottom: var(--space-3);
  letter-spacing: -0.02em;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.page-banner-content p {
  font-size: var(--text-lg);
  opacity: 0.7;
  max-width: 500px;
  margin: 0 auto;
}

/* ============================================================
   Section Header (带分割线的标题)
   ============================================================ */
.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  color: var(--color-neutral-900);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.section-header .divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary-400), var(--color-accent-400));
  border-radius: var(--radius-full);
  margin: 0 auto var(--space-4);
}

.section-header p {
  font-size: var(--text-base);
  color: var(--color-neutral-500);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================================
   Strategy Hero (产品中心 / 战略页 Hero)
   ============================================================ */
.strategy-hero {
  position: relative;
  width: 100%;
  min-height: 520px;
  background: transparent;
  display: flex;
  align-items: center;
  margin-top: var(--header-height);
  overflow: hidden;
}

.strategy-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(59,126,255,0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 80%, rgba(6,182,212,0.04) 0%, transparent 50%);
  z-index: 1;
  pointer-events: none;
}

.strategy-hero-content {
  position: relative;
  z-index: 2;
  max-width: 580px;
}

.strategy-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 18px;
  background: rgba(59,126,255,0.08);
  border: 1px solid rgba(59,126,255,0.15);
  color: var(--color-primary-500);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.strategy-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.5rem);
  font-weight: var(--weight-extrabold);
  color: var(--color-neutral-900);
  line-height: 1.2;
  margin-bottom: var(--space-4);
  letter-spacing: -0.03em;
}

.strategy-hero h1 span {
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-700));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.strategy-hero .hero-desc {
  font-size: var(--text-base);
  color: var(--color-neutral-600);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}

.strategy-hero-btns {
  display: flex;
  gap: var(--space-4);
}

.btn-custom {
  padding: 14px 32px;
  border-radius: var(--radius-lg);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  transition: all var(--duration-normal) var(--ease-out-expo);
  letter-spacing: -0.01em;
}

.btn-custom-primary {
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
  color: #fff;
  border: none;
  box-shadow: 0 4px 16px rgba(59,126,255,0.2);
}

.btn-custom-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(59,126,255,0.3);
}

.btn-custom-outline {
  background: #fff;
  color: var(--color-primary-500);
  border: 2px solid var(--color-primary-200);
}

.btn-custom-outline:hover {
  background: var(--color-primary-50);
  border-color: var(--color-primary-400);
  transform: translateY(-2px);
}

/* ============================================================
   Strategy Intro
   ============================================================ */
.strategy-intro {
  padding: var(--space-16) 0;
  background: rgba(255,255,255,0.8);
}

.strategy-intro-text {
  max-width: 860px;
  margin: 0 auto;
  font-size: var(--text-base);
  color: var(--color-neutral-600);
  line-height: 2;
  text-align: center;
}

.strategy-intro-text strong {
  color: var(--color-primary-600);
  font-weight: var(--weight-semibold);
}

/* ============================================================
   Strategy Service Grid
   ============================================================ */
.strategy-service-section {
  padding: var(--space-16) 0 var(--space-20);
  background: var(--color-neutral-50);
}

.strategy-service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.strategy-service-item {
  background: #fff;
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-8);
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
  transition: all 0.4s var(--ease-out-expo);
  position: relative;
  overflow: hidden;
}

.strategy-service-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 0;
  background: linear-gradient(180deg, var(--color-primary-400), var(--color-accent-400));
  transition: height 0.4s var(--ease-out-expo);
}

.strategy-service-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-200);
}

.strategy-service-item:hover::before {
  height: 100%;
}

.strategy-service-item .item-num {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-primary-50), var(--color-primary-100));
  color: var(--color-primary-500);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  transition: all 0.4s var(--ease-out-expo);
}

.strategy-service-item:hover .item-num {
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
  color: #fff;
  box-shadow: 0 4px 16px rgba(59,126,255,0.2);
}

.strategy-service-item h4 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: var(--color-neutral-900);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.strategy-service-item p {
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
  line-height: 1.7;
}

/* ============================================================
   Service Advantages
   ============================================================ */
.service-advantages {
  padding: var(--space-16) 0 var(--space-20);
  background: rgba(255,255,255,0.8);
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.advantage-item {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
  border: 1px solid var(--color-neutral-100);
  transition: all 0.4s var(--ease-out-expo);
}

.advantage-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-200);
}

.advantage-num {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
  color: #fff;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
}

.advantage-text h4 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-neutral-900);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.advantage-text p {
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
  line-height: 1.7;
}

/* ============================================================
   Service Flow
   ============================================================ */
.service-flow {
  padding: var(--space-16) 0;
  background: rgba(255,255,255,0.8);
}

.flow-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}

.flow-step {
  flex: 1;
  text-align: center;
  position: relative;
  padding: 0 12px;
}

.flow-step::after {
  content: '';
  position: absolute;
  top: 28px;
  right: -12px;
  width: 24px;
  height: 1px;
  background: var(--color-primary-200);
}

.flow-step:last-child::after {
  display: none;
}

.flow-step-num {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-4);
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
  color: #fff;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 16px rgba(59,126,255,0.15);
  transition: transform 0.3s var(--ease-out-expo), box-shadow 0.3s var(--ease-out-expo);
}

.flow-step:hover .flow-step-num {
  transform: scale(1.1);
  box-shadow: 0 8px 24px rgba(59,126,255,0.25);
}

.flow-step h4 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: var(--color-neutral-900);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-1);
}

.flow-step p {
  font-size: var(--text-xs);
  color: var(--color-neutral-500);
  line-height: 1.5;
}

/* ============================================================
   CTA Section
   ============================================================ */
.service-cta {
  padding: var(--space-16) 0;
  background: var(--color-dark-bg);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.service-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 30%, rgba(59,126,255,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.service-cta h3 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: #fff;
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-3);
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
}

.service-cta p {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--space-8);
  position: relative;
  z-index: 1;
}

.service-cta .cta-btn {
  display: inline-block;
  padding: 16px 44px;
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
  color: #fff;
  border-radius: var(--radius-lg);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  transition: all var(--duration-normal) var(--ease-out-expo);
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 20px rgba(59,126,255,0.3);
}

.service-cta .cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(59,126,255,0.45);
}

/* ============================================================
   Strategy Point Grid
   ============================================================ */
.strategy-point-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.strategy-point {
  background: #fff;
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  transition: all 0.4s var(--ease-out-expo);
}

.strategy-point:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-200);
}

.strategy-point .sp-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-5);
  background: linear-gradient(135deg, var(--color-primary-50), var(--color-primary-100));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}

.strategy-point h4 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-neutral-900);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-3);
}

.strategy-point p {
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
  line-height: 1.7;
}

/* ============================================================
   Business Grid (产品中心)
   ============================================================ */
.business-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  padding: var(--space-12) 0;
}

.business-card {
  background: #fff;
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  transition: all 0.4s var(--ease-out-expo);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.business-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-primary-400), transparent);
  transition: width 0.5s var(--ease-out-expo);
}

.business-card:hover::before {
  width: 60%;
}

.business-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-200);
}

.business-card .biz-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-5);
  background: linear-gradient(135deg, var(--color-primary-50), var(--color-primary-100));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  transition: transform 0.4s var(--ease-out-expo);
}

.business-card:hover .biz-icon {
  transform: scale(1.1);
}

.business-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-neutral-900);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-3);
}

.business-card p {
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
  line-height: 1.7;
}

/* ============================================================
   Service Tabs Nav (产品中心标签)
   ============================================================ */
.service-tabs-nav {
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-neutral-200);
  position: sticky;
  top: var(--header-height);
  z-index: 100;
}

.service-tabs-nav .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: 0;
}

.service-tab {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 16px 14px;
  font-size: var(--text-sm);
  font-family: var(--font-display);
  font-weight: var(--weight-medium);
  color: var(--color-neutral-600);
  text-decoration: none;
  border-bottom: 3px solid transparent;
  transition: all var(--duration-normal) var(--ease-out-expo);
  white-space: nowrap;
}

.service-tab .tab-label {
  font-size: 13px;
}

.service-tab:hover {
  color: var(--color-primary-500);
  background: rgba(59,126,255,0.04);
}

.service-tab.active {
  color: var(--color-primary-500);
  font-weight: var(--weight-semibold);
  border-bottom-color: var(--color-primary-400);
}

.tab-icon { font-size: 16px; }
.tab-label { font-size: var(--text-sm); }

/* ============================================================
   Product Subnav
   ============================================================ */
.product-subnav {
  position: sticky;
  top: var(--header-height);
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-neutral-200);
  box-shadow: 0 1px 4px rgba(0,0,0,0.03);
}

.product-subnav .container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
}

.product-subnav a {
  display: inline-block;
  padding: 14px 22px;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-neutral-600);
  text-decoration: none;
  position: relative;
  transition: color var(--duration-normal) var(--ease-out-expo);
  white-space: nowrap;
}

.product-subnav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-primary-400);
  border-radius: var(--radius-full);
  transition: width var(--duration-normal) var(--ease-out-expo);
}

.product-subnav a:hover,
.product-subnav a.active {
  color: var(--color-primary-500);
}

.product-subnav a:hover::after,
.product-subnav a.active::after {
  width: 60%;
}

/* ============================================================
   Strategy Audience
   ============================================================ */
.strategy-audience {
  padding: var(--space-16) 0 var(--space-20);
  background: rgba(255,255,255,0.8);
}

.audience-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  max-width: 960px;
  margin: 0 auto;
}

.audience-item {
  background: #fff;
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-5);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-neutral-600);
  line-height: 1.6;
  transition: all 0.3s var(--ease-out-expo);
}

.audience-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-200);
}

.audience-item .aud-icon {
  font-size: 28px;
  margin-bottom: var(--space-3);
  display: block;
}

/* ============================================================
   Strategy Flow Detail — Enhanced with Dynamic Animation
   ============================================================ */
.strategy-flow-detail {
  padding: var(--space-16) 0 var(--space-20);
  background: var(--color-neutral-50);
  position: relative;
  overflow: hidden;
}

/* Tech grid background */
.strategy-flow-detail::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,126,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,126,255,0.035) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* Central glow accent */
.strategy-flow-detail::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 70%;
  height: 220px;
  background: radial-gradient(ellipse at center, rgba(59,126,255,0.05) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.strategy-flow-list {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  position: relative;
  z-index: 1;
  padding: var(--space-8) 0;
}

/* --- Step Card --- */
.strategy-flow-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  width: 130px;
  text-align: center;
  position: relative;
  opacity: 0;
  transform: translateY(40px) scale(0.85);
  transition: opacity 0.7s var(--ease-out-expo),
              transform 0.7s var(--ease-spring);
}

.strategy-flow-list.flow-active .strategy-flow-item {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Stagger delays — covers up to 20 children (items + arrows alternating) */
.strategy-flow-list.flow-active > *:nth-child(1)  { transition-delay: 0ms; }
.strategy-flow-list.flow-active > *:nth-child(2)  { transition-delay: 80ms; }
.strategy-flow-list.flow-active > *:nth-child(3)  { transition-delay: 160ms; }
.strategy-flow-list.flow-active > *:nth-child(4)  { transition-delay: 240ms; }
.strategy-flow-list.flow-active > *:nth-child(5)  { transition-delay: 320ms; }
.strategy-flow-list.flow-active > *:nth-child(6)  { transition-delay: 400ms; }
.strategy-flow-list.flow-active > *:nth-child(7)  { transition-delay: 480ms; }
.strategy-flow-list.flow-active > *:nth-child(8)  { transition-delay: 560ms; }
.strategy-flow-list.flow-active > *:nth-child(9)  { transition-delay: 640ms; }
.strategy-flow-list.flow-active > *:nth-child(10) { transition-delay: 720ms; }
.strategy-flow-list.flow-active > *:nth-child(11) { transition-delay: 800ms; }
.strategy-flow-list.flow-active > *:nth-child(12) { transition-delay: 880ms; }
.strategy-flow-list.flow-active > *:nth-child(13) { transition-delay: 960ms; }
.strategy-flow-list.flow-active > *:nth-child(14) { transition-delay: 1040ms; }
.strategy-flow-list.flow-active > *:nth-child(15) { transition-delay: 1120ms; }
.strategy-flow-list.flow-active > *:nth-child(16) { transition-delay: 1200ms; }
.strategy-flow-list.flow-active > *:nth-child(17) { transition-delay: 1280ms; }
.strategy-flow-list.flow-active > *:nth-child(18) { transition-delay: 1360ms; }
.strategy-flow-list.flow-active > *:nth-child(19) { transition-delay: 1440ms; }
.strategy-flow-list.flow-active > *:nth-child(20) { transition-delay: 1520ms; }

/* --- Number Badge --- */
.strategy-flow-dot {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  flex-shrink: 0;
  box-shadow: 0 4px 20px rgba(59,126,255,0.25), 0 0 0 4px rgba(59,126,255,0.08);
  transition: all 0.4s var(--ease-out-expo);
  position: relative;
  z-index: 2;
}

/* Pulsing ring */
.strategy-flow-dot::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-primary-300);
  opacity: 0;
  transition: opacity 0.4s;
}

/* Glow halo */
.strategy-flow-dot::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary-400), var(--color-accent-400));
  opacity: 0;
  z-index: -1;
  filter: blur(12px);
  transition: opacity 0.4s;
}

/* Pulse ring animation when active */
.strategy-flow-list.flow-active .strategy-flow-item:nth-child(1) .strategy-flow-dot::before,
.strategy-flow-list.flow-active .strategy-flow-item:nth-child(3) .strategy-flow-dot::before,
.strategy-flow-list.flow-active .strategy-flow-item:nth-child(5) .strategy-flow-dot::before,
.strategy-flow-list.flow-active .strategy-flow-item:nth-child(7) .strategy-flow-dot::before,
.strategy-flow-list.flow-active .strategy-flow-item:nth-child(9) .strategy-flow-dot::before,
.strategy-flow-list.flow-active .strategy-flow-item:nth-child(11) .strategy-flow-dot::before,
.strategy-flow-list.flow-active .strategy-flow-item:nth-child(13) .strategy-flow-dot::before,
.strategy-flow-list.flow-active .strategy-flow-item:nth-child(15) .strategy-flow-dot::before,
.strategy-flow-list.flow-active .strategy-flow-item:nth-child(17) .strategy-flow-dot::before,
.strategy-flow-list.flow-active .strategy-flow-item:nth-child(19) .strategy-flow-dot::before {
  animation: flowPulse 2.5s var(--ease-out-expo) infinite;
  animation-delay: inherit;
}

.strategy-flow-item:hover .strategy-flow-dot {
  transform: scale(1.15) rotate(-5deg);
  box-shadow: 0 8px 30px rgba(59,126,255,0.35), 0 0 0 6px rgba(59,126,255,0.1);
}

.strategy-flow-item:hover .strategy-flow-dot::after {
  opacity: 0.6;
}

/* Last step — success green */
.strategy-flow-dot.last {
  background: linear-gradient(135deg, var(--color-success), #34d399);
  box-shadow: 0 4px 20px rgba(16,185,129,0.25), 0 0 0 4px rgba(16,185,129,0.08);
}

.strategy-flow-dot.last::before {
  border-color: var(--color-success);
  opacity: 0;
}

.strategy-flow-dot.last::after {
  background: linear-gradient(135deg, var(--color-success), #34d399);
}

.strategy-flow-list.flow-active .strategy-flow-dot.last::before {
  animation: flowPulse 2.5s var(--ease-out-expo) infinite;
  animation-delay: inherit;
}

@keyframes flowPulse {
  0% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.35); opacity: 0; }
  100% { transform: scale(1.35); opacity: 0; }
}

/* --- Label --- */
.strategy-flow-label {
  font-size: var(--text-xs);
  color: var(--color-neutral-600);
  white-space: normal;
  font-weight: var(--weight-medium);
  line-height: 1.5;
  padding: 0 4px;
  transition: color 0.3s;
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.strategy-flow-item:hover .strategy-flow-label {
  color: var(--color-primary-600);
}

/* --- Animated Arrow Connector --- */
.strategy-flow-arrow {
  width: 40px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0;
  flex-shrink: 0;
  position: relative;
  align-self: flex-start;
  opacity: 0;
  transition: opacity 0.5s var(--ease-out-expo);
}

.strategy-flow-list.flow-active .strategy-flow-arrow {
  opacity: 1;
}

/* Arrow line with shimmer */
.strategy-flow-arrow::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 2px;
  right: 10px;
  height: 2px;
  background: linear-gradient(90deg,
    var(--color-primary-300) 0%,
    var(--color-primary-400) 35%,
    rgba(255,255,255,0.9) 50%,
    var(--color-primary-400) 65%,
    var(--color-primary-300) 100%
  );
  background-size: 200% 100%;
  background-position: 100% 0;
  transform: translateY(-50%) scaleX(0);
  transform-origin: left center;
  transition: transform 0.5s var(--ease-out-expo);
  border-radius: var(--radius-full);
}

/* Arrow head */
.strategy-flow-arrow::after {
  content: '';
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 8px solid var(--color-primary-400);
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  opacity: 0;
  transition: opacity 0.3s;
}

/* Animate when active */
.strategy-flow-list.flow-active .strategy-flow-arrow::before {
  transform: translateY(-50%) scaleX(1);
  animation: flowShimmer 2s linear infinite 0.6s;
}

.strategy-flow-list.flow-active .strategy-flow-arrow::after {
  opacity: 1;
}

@keyframes flowShimmer {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .strategy-flow-item {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .strategy-flow-arrow {
    opacity: 1;
    transition: none;
  }
  .strategy-flow-arrow::before {
    transform: translateY(-50%) scaleX(1);
    animation: none;
  }
  .strategy-flow-arrow::after {
    opacity: 1;
  }
  .strategy-flow-dot::before {
    animation: none;
    opacity: 0;
  }
}

/* ============================================================
   Capability Grid
   ============================================================ */
.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  padding: 0 0 var(--space-12);
}

.capability-card {
  background: #fff;
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  transition: all 0.4s var(--ease-out-expo);
  cursor: default;
}

.capability-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-200);
}

.capability-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-4);
  background: linear-gradient(135deg, var(--color-primary-50), var(--color-primary-100));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
}

.capability-card h4 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: var(--color-neutral-900);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-2);
}

.capability-card p {
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
  line-height: 1.7;
}

/* ============================================================
   Service Overview
   ============================================================ */
.service-overview {
  padding: var(--space-16) 0 var(--space-8);
  background: rgba(255,255,255,0.8);
}

.service-overview .service-detail-desc {
  max-width: 800px;
  margin: 0 auto var(--space-12);
  text-align: center;
  font-size: var(--text-base);
  line-height: 2;
  color: var(--color-neutral-600);
}

/* ============================================================
   Full Page BG (产品中心背景处理)
   ============================================================ */
body.page-bg {
  background-attachment: fixed;
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
  position: relative;
  z-index: 0;
}

body.page-bg::before {
  content: '';
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: -1;
  pointer-events: none;
}

/* ============================================================
   Join Us (加入我们招聘页面)
   ============================================================ */

/* --- 筛选器 --- */
.job-filter-bar {
  margin-top: 44px;
  background: #fff;
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-xl);
  padding: 24px 28px;
  box-shadow: var(--shadow-sm);
}

.filter-row {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
  padding: 8px 0;
}

.filter-row + .filter-row {
  border-top: 1px dashed var(--color-neutral-200);
  margin-top: 8px;
  padding-top: 16px;
}

.filter-label {
  flex: 0 0 auto;
  min-width: 76px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-neutral-600);
  line-height: 32px;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-btn {
  padding: 5px 16px;
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-full);
  background: #fff;
  color: var(--color-neutral-600);
  font-size: 13px;
  line-height: 20px;
  cursor: pointer;
  transition: all 0.25s var(--ease-out-expo);
}

.filter-btn:hover {
  border-color: var(--color-primary-300);
  color: var(--color-primary-600);
}

.filter-btn.active {
  background: var(--color-primary-500);
  border-color: var(--color-primary-500);
  color: #fff;
  box-shadow: 0 4px 12px rgba(59,126,255,0.25);
}

.job-filter-actions {
  border-top: 1px dashed var(--color-neutral-200);
  margin-top: 16px;
  padding-top: 20px;
  text-align: center;
}

/* --- 岗位列表表格 --- */
.job-table-wrap {
  margin-top: 28px;
  background: #fff;
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.job-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 820px;
}

.job-table thead th {
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-500));
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  text-align: left;
  padding: 14px 20px;
  white-space: nowrap;
}

.job-table tbody td {
  padding: 16px 20px;
  font-size: 14px;
  color: var(--color-neutral-600);
  border-bottom: 1px solid var(--color-neutral-100);
  white-space: nowrap;
}

.job-table tbody tr {
  transition: background 0.25s;
}

.job-table tbody tr:hover {
  background: var(--color-primary-50);
}

.job-table tbody tr:last-child td {
  border-bottom: none;
}

.job-name {
  font-weight: 600;
  color: var(--color-neutral-900);
}

.job-name a {
  color: inherit;
  text-decoration: none;
}

.job-name a:hover {
  color: var(--color-primary-500);
}

.job-tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 12px;
  border-radius: var(--radius-full);
  background: var(--color-primary-50);
  color: var(--color-primary-600);
  border: 1px solid var(--color-primary-100);
}

.job-empty {
  padding: 48px 20px;
  text-align: center;
  color: var(--color-neutral-400);
  font-size: 14px;
}

.job-table-scroll {
  overflow-x: auto;
}

/* --- 简历渠道卡片 --- */
.join-channel-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 44px;
}

@media (max-width: 900px) {
  .join-channel-grid { grid-template-columns: 1fr; }
  .job-filter-bar { padding: 20px; }
  .job-table thead th { padding: 12px 14px; }
  .job-table tbody td { padding: 14px; }
}

/* ============================================================
   Contact Page Cards
   ============================================================ */
.contact-info-card {
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-neutral-200);
  padding: var(--space-10) var(--space-8);
  text-align: center;
  transition: all 0.4s var(--ease-out-expo);
}

.contact-info-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-200);
}

.contact-info-card svg {
  transition: transform 0.4s var(--ease-out-expo);
}

.contact-info-card:hover svg {
  transform: scale(1.1);
}

.contact-info-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-neutral-900);
  margin: var(--space-4) 0 var(--space-2);
  font-weight: var(--weight-semibold);
}

.contact-info-card .contact-value {
  font-size: var(--text-2xl);
  color: var(--color-primary-500);
  font-weight: var(--weight-bold);
  font-family: var(--font-display);
}

.contact-info-card .contact-sub {
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
  margin-top: var(--space-1);
}

/* Contact grid（联系我们-信息卡片）
   桌面 2 列 → 手机单列，避免卡片内容在窄屏下拥挤 */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* Map placeholder */
.map-placeholder {
  background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-neutral-100) 100%);
  border-radius: var(--radius-xl);
  border: 1px dashed var(--color-primary-200);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .strategy-point-grid { grid-template-columns: repeat(2, 1fr); }
  .business-grid { grid-template-columns: repeat(2, 1fr); }
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .business-grid { grid-template-columns: repeat(2, 1fr); }
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
  .audience-list { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .page-banner { height: 260px; }
  .page-banner-content h1 { font-size: 1.75rem; }

  .section-header h2 { font-size: var(--text-2xl); }

  .strategy-hero { min-height: 400px; padding: var(--space-8) 0; }
  .strategy-hero h1 { font-size: 1.75rem; }
  .strategy-hero-content { max-width: 100%; text-align: center; }
  .strategy-hero-btns { justify-content: center; flex-wrap: wrap; }
  .strategy-hero-badge { margin: 0 auto 20px; }

  .strategy-service-grid { grid-template-columns: 1fr; }
  .advantage-grid { grid-template-columns: 1fr; }
  .strategy-point-grid { grid-template-columns: 1fr; }
  .business-grid { grid-template-columns: repeat(2, 1fr); }
  .capability-grid { grid-template-columns: 1fr; }

  .flow-steps { flex-wrap: wrap; gap: 32px; }
  .flow-step { flex: 1 1 40%; }
  .flow-step::after { display: none; }

  .audience-list { grid-template-columns: 1fr; }

  /* Tabs scroll */
  .service-tabs-nav .container {
    gap: 0;
    overflow-x: auto;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
  }
  .service-tab { padding: 14px 16px; flex-shrink: 0; }

  /* Flow — mobile grid layout */
  .strategy-flow-list { gap: 12px 8px; justify-content: center; }
  .strategy-flow-arrow { display: none; }
  .strategy-flow-item { flex: 1 1 30%; min-width: 110px; width: auto; margin-bottom: 16px; }
  .strategy-flow-dot { width: 44px; height: 44px; font-size: var(--text-base); }
  .strategy-flow-arrow::before { display: none; }
  .strategy-flow-arrow::after { display: none; }
}

@media (max-width: 500px) {
  .business-grid { grid-template-columns: 1fr; }
  .capability-grid { grid-template-columns: 1fr; }
  .strategy-flow-item { flex: 1 1 100%; min-width: auto; width: 100%; }
}

/* ============================================================
   Partners — 关于我们合作伙伴墙
   ============================================================ */
.partners-section {
  max-width: 1100px;
  margin: 80px auto 0;
  text-align: center;
}

.partners-section .section-title::after {
  left: 50%;
  transform: translateX(-50%);
}

.partners-desc {
  font-size: var(--text-base);
  color: var(--color-neutral-500);
  margin-top: -4px;
  margin-bottom: 0;
}

.partners-note {
  font-size: var(--text-sm);
  color: var(--color-neutral-400);
  margin-top: 2px;
  margin-bottom: var(--space-8);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-5);
}

.partner-card {
  background: #fff;
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16 / 10;
  transition: all 0.4s var(--ease-out-expo);
}

.partner-card img {
  max-width: 100%;
  max-height: 48px;
  object-fit: contain;
  transition: all 0.4s var(--ease-out-expo);
}

.partner-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-200);
}

.partner-card:hover img {
  transform: scale(1.08);
}

@media (max-width: 1024px) {
  .partners-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 768px) {
  .partners-section { margin-top: 60px; }
  .partners-grid { grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
  .partner-card { padding: var(--space-4); }
  .partner-card img { max-height: 40px; }
}

@media (max-width: 500px) {
  .partners-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
}

/* ============================================================
   About Page — 公司简介亮点数据
   ============================================================ */
.about-intro {
  display: flex;
  gap: var(--space-16);
  align-items: flex-start;
}

.about-intro-image {
  flex: 0 0 460px;
  position: relative;
}

.about-intro-image::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: var(--radius-2xl);
  background: linear-gradient(135deg, var(--color-primary-400), var(--color-accent-400));
  opacity: 0;
  transition: opacity 0.5s var(--ease-out-expo);
  z-index: -1;
}

.about-intro-image:hover::before {
  opacity: 0.3;
}

.about-intro-image img {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-xl);
  object-fit: cover;
  display: block;
  box-shadow: var(--shadow-lg);
  transition: transform 0.5s var(--ease-out-expo);
}

.about-intro-image:hover img {
  transform: scale(1.02);
}

/* 公司简介左侧：三张图平接无缝流动 */
.about-flow {
  position: relative;
  overflow: hidden;
  height: 400px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  background: var(--color-neutral-100);
}
.about-flow-track {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: max-content;
  animation: about-flow-scroll 22s linear infinite;
}
.about-flow:hover .about-flow-track {
  animation-play-state: paused;
}
.about-flow-item {
  flex-shrink: 0;
  width: 100%;
  height: 340px;
}
.about-flow-item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
@keyframes about-flow-scroll {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(-50%);
  }
}
@media (prefers-reduced-motion: reduce) {
  .about-flow-track {
    animation: none;
  }
}

.about-intro-text {
  flex: 1;
}

.about-intro-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 16px;
  background: rgba(59, 126, 255, 0.08);
  border: 1px solid rgba(59, 126, 255, 0.15);
  color: var(--color-primary-500);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.about-intro-badge-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-500);
  box-shadow: 0 0 8px var(--color-accent-400);
}

.about-intro-text p {
  font-size: var(--text-base);
  color: var(--color-neutral-600);
  margin-bottom: var(--space-4);
  line-height: var(--leading-relaxed);
}

.about-highlights {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-neutral-200);
}

.about-highlight-num {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-extrabold);
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-accent-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  display: block;
}

.about-highlight-num span {
  font-size: 1.5rem;
  font-weight: var(--weight-light);
  opacity: 0.8;
}

.about-highlight-label {
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
  margin-top: var(--space-1);
  display: block;
}

@media (max-width: 1024px) {
  .about-intro {
    flex-direction: column;
    gap: var(--space-10);
  }

  .about-intro-image {
    flex: none;
    width: 100%;
    max-width: 500px;
  }

  .about-intro-image img {
    height: 320px;
  }

  .about-flow {
    height: 320px;
  }
}

@media (max-width: 768px) {
  .about-highlights {
    flex-wrap: wrap;
    gap: var(--space-6);
  }
}

@media (max-width: 480px) {
  .about-highlights {
    gap: var(--space-4);
  }

  .about-highlight-num {
    font-size: var(--text-2xl);
  }
}

/* 公司简介 — 核心服务小标题 */
.about-services-sub {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-neutral-900);
  margin: var(--space-6) 0 var(--space-3);
}

.about-services-sub::before {
  content: '';
  flex: 0 0 auto;
  width: 4px;
  height: 18px;
  border-radius: var(--radius-full);
  background: linear-gradient(180deg, var(--color-primary-500), var(--color-accent-500));
}

/* 核心服务 后附小字说明 */
.about-services-sub-note {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-neutral-400);
  margin-left: var(--space-2);
  white-space: nowrap;
}

/* 我们的服务 — 图标文字列表（内嵌于公司简介） */
.service-list {
  margin-top: 0;
}

.service-list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px dashed var(--color-neutral-200);
  transition: padding-left 0.4s var(--ease-out-expo);
}

.service-list-item:last-child {
  border-bottom: none;
}

.service-list-item:hover {
  padding-left: var(--space-2);
}

.service-list-icon {
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(59, 126, 255, 0.12), rgba(6, 182, 212, 0.12));
  border: 1px solid rgba(59, 126, 255, 0.18);
  color: var(--color-primary-500);
  transition: all 0.4s var(--ease-out-expo);
}

.service-list-item:hover .service-list-icon {
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-accent-500));
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(59, 126, 255, 0.28);
}

.service-list-icon svg {
  width: 22px;
  height: 22px;
}

.service-list-body h4 {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-neutral-900);
  margin-bottom: 3px;
}

.service-list-body p {
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
  line-height: var(--leading-relaxed);
}

@media (max-width: 480px) {
  .service-list-item {
    padding: var(--space-3) 0;
  }
}

/* 核心服务并入公司简介：与上方简介内容的间距与下方（核心服务→企业文化）保持一致，服务清单两列排布 */
#intro .core-services-content {
  margin-top: 192px;
  text-align: center;
}
#intro .service-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  margin-top: var(--space-8);
  text-align: left;
}
#intro .service-list-item:nth-child(odd) {
  border-right: 1px solid var(--color-neutral-200);
  padding-right: var(--space-4);
}
#intro .service-list-item:nth-child(even) {
  padding-left: var(--space-4);
}
@media (max-width: 768px) {
  #intro .service-list {
    grid-template-columns: 1fr;
    gap: 0;
  }
  #intro .service-list-item:nth-child(odd) {
    border-right: none;
    padding-right: 0;
  }
  #intro .service-list-item:nth-child(even) {
    padding-left: 0;
  }
}

/* ============================================================
   About Page — 未来愿景
   ============================================================ */
.about-future {
  background: var(--color-dark-bg);
  padding: var(--space-20) 0;
  position: relative;
  overflow: hidden;
}

.about-future::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(59, 126, 255, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 80%, rgba(6, 182, 212, 0.04) 0%, transparent 50%);
  pointer-events: none;
}

.about-future::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59, 126, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 126, 255, 0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  pointer-events: none;
}

.about-future-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-future-content h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, var(--text-4xl));
  font-weight: var(--weight-bold);
  color: #fff;
  margin-bottom: var(--space-5);
  letter-spacing: -0.02em;
}

.about-future-content h2 span {
  background: linear-gradient(135deg, var(--color-primary-300), var(--color-accent-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-future-content p {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.6);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}

.about-future-values {
  display: flex;
  justify-content: center;
  gap: var(--space-12);
  flex-wrap: wrap;
}

.about-future-value {
  text-align: center;
}

.about-future-value-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-3);
  border-radius: var(--radius-full);
  background: rgba(59, 126, 255, 0.12);
  border: 1px solid rgba(59, 126, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  backdrop-filter: blur(8px);
}

.about-future-value-label {
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.8);
  font-weight: var(--weight-semibold);
}

@media (max-width: 768px) {
  .about-future-values {
    gap: var(--space-8);
  }
}

/* ============================================================
   About Page — 核心服务两列布局（左侧图片轮播 / 右侧服务清单）
   ============================================================ */
.core-services-section {
  background: linear-gradient(180deg, #fff 0%, var(--color-neutral-50) 100%);
}

.core-services {
  display: flex;
  align-items: stretch;
  gap: var(--space-16);
}

/* 左侧媒体（轮播） */
.core-services-media {
  flex: 0 0 48%;
  max-width: 560px;
  position: relative;
}

.core-services-content {
  flex: 1;
  min-width: 0;
}

.core-services-content .section-title {
  margin-bottom: var(--space-2);
}

.core-services-desc {
  font-size: var(--text-sm);
  color: var(--color-neutral-400);
  margin: 0 0 var(--space-6);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.core-services-desc::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-primary-400);
}

/* --- 轮播 --- */
.services-carousel {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  background: var(--color-neutral-100);
  box-shadow: var(--shadow-lg);
  isolation: isolate;
}

.services-carousel::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: var(--radius-2xl);
  background: linear-gradient(135deg, var(--color-primary-400), var(--color-accent-400));
  opacity: 0.25;
  z-index: -1;
}

.services-carousel-track {
  position: relative;
  width: 100%;
  height: 100%;
}

.services-carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s var(--ease-out-expo);
  pointer-events: none;
}

.services-carousel-slide.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.services-carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  transition: transform 6s linear;
}

.services-carousel-slide.is-active img {
  transform: scale(1.04);
}

/* 上一张 / 下一张按钮 */
.services-carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.85);
  color: var(--color-neutral-900);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 6px 20px rgba(10, 14, 26, 0.18);
  transition: all 0.3s var(--ease-out-expo);
  z-index: 2;
  opacity: 0;
}

.services-carousel:hover .services-carousel-btn,
.services-carousel:focus-within .services-carousel-btn {
  opacity: 1;
}

.services-carousel-btn:hover {
  background: var(--color-primary-500);
  color: #fff;
  transform: translateY(-50%) scale(1.06);
  box-shadow: 0 8px 24px rgba(59, 126, 255, 0.35);
}

.services-carousel-btn:focus-visible {
  outline: 2px solid var(--color-primary-400);
  outline-offset: 3px;
}

.services-carousel-btn svg {
  width: 20px;
  height: 20px;
}

.services-carousel-prev { left: 14px; }
.services-carousel-next { right: 14px; }

/* 圆点指示器 */
.services-carousel-dots {
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  background: rgba(10, 14, 26, 0.35);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2;
}

.services-carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.55);
  cursor: pointer;
  padding: 0;
  transition: all 0.3s var(--ease-out-expo);
}

.services-carousel-dot:hover {
  background: rgba(255, 255, 255, 0.85);
}

.services-carousel-dot.is-active {
  width: 24px;
  border-radius: var(--radius-full);
  background: #fff;
}

.services-carousel-dot:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

/* 移动端：单列堆叠 */
@media (max-width: 1024px) {
  .core-services {
    flex-direction: column;
    gap: var(--space-10);
  }

  .core-services-media {
    flex: none;
    max-width: 100%;
    width: 100%;
  }
}

@media (max-width: 768px) {
  .core-services-section {
    padding: var(--space-16) 0;
  }

  .services-carousel {
    aspect-ratio: 4 / 3;
  }

  .services-carousel-btn {
    opacity: 1;
    width: 38px;
    height: 38px;
  }

  .services-carousel-btn svg {
    width: 18px;
    height: 18px;
  }

  .services-carousel-prev { left: 10px; }
  .services-carousel-next { right: 10px; }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  .services-carousel-slide,
  .services-carousel-slide img,
  .services-carousel-btn,
  .services-carousel-dot {
    transition: none;
  }
}