/* ========================================
   农链数科™（农之链数字科技（湖北）有限公司） - 页面专属样式
   ======================================== */

/* ===== 首屏Banner ===== */
.hero-banner {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-brand);
  overflow: hidden;
  padding-top: 80px;
}

.particle-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    linear-gradient(180deg, rgba(12, 22, 48, 0.40) 0%, rgba(12, 22, 48, 0.58) 100%),
    radial-gradient(ellipse at 20% 30%, rgba(46, 173, 94, 0.3) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(26, 111, 219, 0.1) 0%, transparent 50%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 900px;
  padding: 40px 24px;
}

.hero-tag {
  display: inline-block;
  padding: 8px 24px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 30px;
  font-size: 14px;
  font-weight: 600;
  color: #FFFFFF;
  letter-spacing: 2px;
  margin-bottom: 24px;
}

.hero-title {
  font-size: var(--fs-hero);
  font-weight: 700;
  color: white;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: 0;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.30);
}

.gradient-text {
  background: linear-gradient(135deg, #1A6FDB 0%, #2EAD5E 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title .gradient-text,
.hero-banner .gradient-text {
  background: linear-gradient(135deg, #FFFFFF 0%, #A8DCFF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 2px 12px rgba(0, 0, 0, 0.30));
}

.hero-subtitle {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.28);
  line-height: 1.9;
  margin-bottom: 12px;
}

.hero-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.90);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.28);
  margin-bottom: 36px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  text-align: center;
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  letter-spacing: 1px;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.3);
  margin: 8px auto 0;
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: -40px;
  left: 0;
  width: 100%;
  height: 40px;
  background: var(--color-highlight);
  animation: scroll-down 2s ease-in-out infinite;
}

@keyframes scroll-down {
  0% { top: -40px; }
  100% { top: 40px; }
}

/* ===== 企业简介 ===== */
.section-intro {
  background: var(--color-white);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.intro-left .section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-highlight);
  letter-spacing: 2px;
  margin-bottom: 12px;
  padding: 4px 16px;
  background: rgba(26, 111, 219, 0.1);
  border-radius: 20px;
}

.intro-title {
  font-size: var(--fs-section);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: 20px;
}

.intro-divider {
  width: 48px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
  margin-bottom: 24px;
}

.intro-text {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.9;
  margin-bottom: 16px;
}

.intro-link {
  display: inline-block;
  margin-top: 12px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-primary);
  transition: var(--transition);
}

.intro-link:hover {
  color: var(--color-primary-dark);
  transform: translateX(4px);
}

.intro-right {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.intro-card {
  padding: 28px 24px;
  background: var(--color-bg);
  border-radius: var(--radius);
  border: 1px solid var(--color-divider);
  transition: var(--transition);
}

.intro-card:hover {
  background: white;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.intro-card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(46, 173, 94, 0.1), rgba(26, 111, 219, 0.1));
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  margin-bottom: 16px;
}

.intro-card-icon svg {
  width: 22px;
  height: 22px;
}

.intro-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.intro-card p {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ===== 四大核心优势 ===== */
.section-advantages {
  background: var(--color-bg);
  position: relative;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.advantage-card {
  position: relative;
  padding: 36px 28px;
  background: white;
  border-radius: var(--radius);
  border: 1px solid var(--color-divider);
  transition: var(--transition);
  overflow: hidden;
}

.advantage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-highlight));
  transform: scaleX(0);
  transition: var(--transition);
  transform-origin: left;
}

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


.advantage-card:hover .advantage-number {
  color: var(--color-primary);
  opacity: 1;
}

.advantage-card:hover::before {
  transform: scaleX(1);
}

.advantage-number {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 48px;
  font-weight: 800;
  color: rgba(26, 111, 219, 0.5);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  z-index: 0;
}

.advantage-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-sm);
  color: white;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.advantage-icon svg {
  width: 24px;
  height: 24px;
}

.advantage-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
  position: relative;
  z-index: 1;
}

.advantage-subtitle {
  font-size: 13px;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 12px;
}

.advantage-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
  position: relative;
  z-index: 1;
}

/* ===== 五大核心业务 ===== */
.section-business {
  background: var(--color-white);
}

.business-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.business-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 32px;
  align-items: center;
  padding: 32px 36px;
  background: var(--color-bg);
  border-radius: var(--radius);
  border: 1px solid var(--color-divider);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.business-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--color-primary);
  transform: scaleY(0);
  transition: var(--transition);
  transform-origin: bottom;
}

.business-item:hover {
  background: white;
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.business-item:hover::before {
  transform: scaleY(1);
  transform-origin: top;
}

.business-number {
  font-size: 40px;
  font-weight: 800;
  color: rgba(26, 111, 219, 0.5);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  transition: var(--transition);
}

.business-item:hover .business-number {
  color: var(--color-primary);
  opacity: 1;
}

.business-content {
  display: flex;
  align-items: center;
  gap: 20px;
}

.business-icon-wrap {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(46, 173, 94, 0.08), rgba(15, 52, 96, 0.08));
  border-radius: var(--radius);
  color: var(--color-primary);
  transition: var(--transition);
}

.business-icon-wrap svg {
  width: 28px;
  height: 28px;
}

.business-item:hover .business-icon-wrap {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
}

.business-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.business-content p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

.business-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
  max-width: 220px;
}

.business-tags span {
  font-size: 12px;
  padding: 4px 12px;
  background: rgba(46, 173, 94, 0.06);
  color: var(--color-primary);
  border-radius: 20px;
  white-space: nowrap;
  transition: var(--transition);
}

.business-item:hover .business-tags span {
  background: rgba(46, 173, 94, 0.1);
}

/* ===== 落地案例 ===== */
.section-cases {
  background: var(--color-bg);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.case-card {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-divider);
  transition: var(--transition);
}

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

.case-overlay {
  position: absolute;
  top: 12px;
  right: 14px;
  z-index: 20;
}

.case-category {
  display: inline-block;
  padding: 5px 12px;
  background: rgba(7, 20, 38, 0.75);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(26, 111, 219, 0.35);
  border-radius: 20px;
  font-size: 11px;
  color: #1A6FDB;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.case-body {
  padding: 24px 28px;
}

.case-body h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
}

.case-body p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 16px;
}

.case-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.case-tags span {
  font-size: 12px;
  padding: 3px 10px;
  background: var(--color-bg);
  color: var(--color-text-light);
  border-radius: 4px;
}

/* ===== 数据荣誉 ===== */
.section-stats {
  background: var(--color-white);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.stat-item {
  text-align: center;
  padding: 40px 20px;
  background: var(--color-bg);
  border-radius: var(--radius);
  border: 1px solid var(--color-divider);
  transition: var(--transition);
}

.stat-item:hover {
  background: white;
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.stat-number {
  font-size: 48px;
  font-weight: 800;
  background: linear-gradient(135deg, #0F4290 0%, #1B7A42 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 12px;
}

.stat-label {
  font-size: 14px;
  color: var(--color-text-light);
  font-weight: 500;
}

.stats-extra {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid var(--color-divider);
}

.stats-extra-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text);
}

.check-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  font-size: 12px;
}

/* ===== 底部转化Banner ===== */
.cta-banner {
  position: relative;
  padding: 80px 0;
  background:
    linear-gradient(135deg, rgba(8, 25, 45, 0.46) 0%, rgba(8, 25, 45, 0.40) 100%),
    linear-gradient(135deg, var(--color-secondary), var(--color-primary-dark));
  overflow: hidden;
  text-align: center;
}

.cta-bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(26, 111, 219, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(46, 173, 94, 0.2) 0%, transparent 50%);
}

.cta-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-size: var(--fs-section);
  font-weight: 700;
  color: white;
  margin-bottom: 16px;
}

.cta-content p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.25);
  margin-bottom: 32px;
}

.btn-large {
  padding: 16px 40px;
  font-size: 16px;
}

/* ===== 关于我们页面 ===== */
.about-story {
  background: var(--color-white);
}

.about-story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.about-story-visual {
  position: relative;
  height: 440px;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(8, 25, 45, 0.46) 0%, rgba(8, 25, 45, 0.40) 100%),
    linear-gradient(135deg, var(--color-secondary), var(--color-primary-dark));
  overflow: hidden;
}

.about-story-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 30% 30%, rgba(26, 111, 219, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(46, 173, 94, 0.3) 0%, transparent 50%);
}

.about-story-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}

.about-story-visual .visual-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  z-index: 1;
  padding: 40px;
}

.about-story-visual .visual-content .big-text {
  font-size: 80px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.1);
  line-height: 1;
}

.about-story-visual .visual-content .visual-slogan {
  font-size: 22px;
  font-weight: 600;
  color: white;
  margin-top: 16px;
}

.about-story-visual .visual-content .visual-sub {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  margin-top: 8px;
}

.about-story-text .section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-highlight);
  letter-spacing: 2px;
  margin-bottom: 12px;
  padding: 4px 16px;
  background: rgba(26, 111, 219, 0.1);
  border-radius: 20px;
}

.about-story-text h2 {
  font-size: var(--fs-section);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.3;
}

.about-story-text .divider {
  width: 48px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
  margin-bottom: 24px;
}

.about-story-text p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.9;
  margin-bottom: 16px;
}

/* 使命愿景价值观 */
.about-values {
  background: var(--color-bg);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.value-card {
  text-align: center;
  padding: 48px 32px;
  background: white;
  border-radius: var(--radius);
  border: 1px solid var(--color-divider);
  transition: var(--transition);
}

.value-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.value-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 16px;
  color: white;
}

.value-icon svg {
  width: 32px;
  height: 32px;
}

.value-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

.value-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* 团队展示 */
.about-team {
  background: var(--color-white);
}

.team-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.team-feature {
  padding: 32px 28px;
  background: var(--color-bg);
  border-radius: var(--radius);
  border: 1px solid var(--color-divider);
  transition: var(--transition);
}

.team-feature:hover {
  background: white;
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.team-feature .feature-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--color-primary);
  opacity: 0.15;
  line-height: 1;
  margin-bottom: 12px;
}

.team-feature h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.team-feature p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* 荣誉资质 */
.about-honors {
  background: var(--color-bg);
}

.honors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.honor-card {
  padding: 36px 24px;
  background: white;
  border-radius: var(--radius);
  border: 1px solid var(--color-divider);
  text-align: center;
  transition: var(--transition);
}

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

.honor-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(46, 173, 94, 0.1), rgba(26, 111, 219, 0.1));
  border-radius: 50%;
  color: var(--color-primary);
}

.honor-icon svg {
  width: 28px;
  height: 28px;
}

.honor-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.honor-card p {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ===== 产品服务页面 ===== */
.solutions-hero {
  background: var(--color-white);
}

.solutions-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.solution-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 48px;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-divider);
  transition: var(--transition);
  overflow: hidden;
}

.solution-block:hover {
  box-shadow: var(--shadow-md);
}

.solution-block:nth-child(even) .solution-visual {
  order: 2;
}

.solution-visual {
  height: 320px;
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.solution-visual svg {
  width: 50%;
  height: 50%;
  opacity: 0.9;
}

.solution-visual .visual-label {
  position: absolute;
  bottom: 20px;
  left: 20px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.8);
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(10px);
  padding: 6px 14px;
  border-radius: 20px;
}

.solution-content .sol-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 1px;
  margin-bottom: 12px;
  padding: 4px 12px;
  background: rgba(46, 173, 94, 0.08);
  border-radius: 16px;
}

.solution-content h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
}

.solution-content > p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 24px;
}

.solution-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

.sol-feature {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text);
}

.sol-feature .check {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  font-size: 10px;
  margin-top: 2px;
}

.solution-scenarios {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.solution-scenarios span {
  font-size: 12px;
  padding: 4px 12px;
  background: rgba(26, 26, 46, 0.06);
  color: var(--color-secondary);
  border-radius: 4px;
}

/* 产业链路图 */
.industry-chain {
  background:
    linear-gradient(135deg, rgba(8, 32, 22, 0.52) 0%, rgba(8, 32, 22, 0.42) 100%),
    var(--color-secondary);
  padding: 80px 0;
}

.industry-chain .section-header h2,
.industry-chain .section-header p {
  color: white;
}

.industry-chain .section-header .section-tag {
  background: rgba(255, 255, 255, 0.18);
  color: #FFFFFF;
}


.industry-chain .section-header .divider {
  background: rgba(255, 255, 255, 0.9);
}

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

.chain-step {
  text-align: center;
  padding: 0 20px;
  position: relative;
}

.chain-step-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 20px;
  color: #FFFFFF;
  transition: var(--transition);
}

.chain-step:hover .chain-step-icon {
  background: rgba(255, 255, 255, 0.24);
  border-color: rgba(255, 255, 255, 0.7);
  transform: translateY(-4px);
}

.chain-step-icon svg {
  width: 36px;
  height: 36px;
}

.chain-step h4 {
  font-size: 15px;
  color: white;
  font-weight: 600;
  margin-bottom: 4px;
}

.chain-step p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.25);
}

.chain-arrow {
  color: rgba(255, 255, 255, 0.85);
  font-size: 26px;
  padding: 0 8px;
  align-self: center;
  margin-top: -20px;
}

/* ===== 联系我们页面 ===== */
.contact-info-section {
  background: var(--color-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.contact-info-card {
  padding: 40px 36px;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-divider);
}

.contact-info-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.contact-info-card > p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 32px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-divider);
}

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

.contact-item-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(46, 173, 94, 0.1), rgba(26, 111, 219, 0.1));
  border-radius: var(--radius-sm);
  color: var(--color-primary);
}

.contact-item-icon svg {
  width: 22px;
  height: 22px;
}

.contact-item-info h4 {
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 4px;
  font-weight: 500;
}

.contact-item-info p {
  font-size: 16px;
  color: var(--color-text);
  font-weight: 500;
}

.contact-item-info a {
  color: var(--color-text);
  transition: var(--transition);
}

.contact-item-info a:hover {
  color: var(--color-primary);
}

/* 表单 */
.contact-form-card {
  padding: 40px 36px;
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-divider);
  box-shadow: var(--shadow-sm);
}

.contact-form-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.contact-form-card > p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 32px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 8px;
}

.form-group label .required {
  color: #ef4444;
  margin-left: 2px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 14px;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  background: white;
  box-shadow: 0 0 0 3px rgba(26, 111, 219, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-success {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  background: rgba(46, 173, 94, 0.08);
  border: 1px solid rgba(46, 173, 94, 0.2);
  border-radius: var(--radius-sm);
  color: var(--color-secondary);
  font-size: 14px;
  margin-bottom: 20px;
}

.form-success .success-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  font-size: 14px;
}

/* 地图区域 */
.contact-map-section {
  background: var(--color-bg);
}

.map-placeholder {
  height: 400px;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(8, 25, 45, 0.46) 0%, rgba(8, 25, 45, 0.40) 100%),
    linear-gradient(135deg, var(--color-secondary), var(--color-primary-dark));
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.map-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}

.map-placeholder .map-pin {
  position: relative;
  z-index: 1;
  text-align: center;
  color: white;
}

.map-placeholder .map-pin svg {
  width: 48px;
  height: 48px;
  color: var(--color-highlight);
  margin-bottom: 12px;
}

.map-placeholder .map-pin h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
}

.map-placeholder .map-pin p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .intro-grid,
  .about-story-grid,
  .solution-block {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .solution-block:nth-child(even) .solution-visual {
    order: 0;
  }

  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cases-grid {
    grid-template-columns: 1fr;
  }

  .values-grid,
  .team-features {
    grid-template-columns: 1fr;
  }

  .honors-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

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

  .advantages-grid {
    grid-template-columns: 1fr;
  }

  .business-item {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 24px;
  }

  .business-content {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  .business-tags {
    justify-content: center;
    max-width: 100%;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stats-extra {
    flex-direction: column;
    gap: 12px;
    align-items: center;
  }

  .solution-block {
    padding: 28px;
  }

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

  .chain-flow {
    flex-direction: column;
  }

  .chain-arrow {
    transform: rotate(90deg);
    margin: 0;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-info-card,
  .contact-form-card {
    padding: 28px 20px;
  }

  .honors-grid {
    grid-template-columns: 1fr;
  }
}