/* ========================================
   首页专属样式
   ======================================== */

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 0 5%;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(6, 12, 26, 0.92) 0%,
    rgba(6, 12, 26, 0.75) 50%,
    rgba(6, 12, 26, 0.55) 100%
  );
}

.hero-orb1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 132, 255, 0.2) 0%, transparent 70%);
  top: -100px;
  left: -100px;
  animation: pulse-glow 4s ease-in-out infinite;
}

.hero-orb2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(123, 47, 255, 0.15) 0%, transparent 70%);
  bottom: 100px;
  right: 10%;
  animation: pulse-glow 6s ease-in-out infinite reverse;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  padding: 80px 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 28px;
}

.hero-badge i {
  font-size: 0.6rem;
  animation: pulse-glow 2s ease-in-out infinite;
}

.hero-title {
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-title-gradient {
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--accent2));
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 4s linear infinite;
}

@keyframes gradient-shift {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}

.hero-desc {
  font-size: 1.1rem;
  color: rgba(232, 240, 255, 0.8);
  max-width: 580px;
  line-height: 1.8;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-stat .stat-number {
  font-size: 2rem;
}

.hero-stat span:last-child {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  color: var(--text-muted);
  font-size: 1rem;
  animation: float 2s ease-in-out infinite;
}

/* ---------- 服务亮点 ---------- */
.services-highlight {
  background: var(--dark2);
}

.services-highlight-header {
  margin-bottom: 56px;
}

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

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  border-color: rgba(0, 132, 255, 0.35);
  box-shadow: var(--glow);
  transform: translateY(-6px);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, rgba(0, 132, 255, 0.15), rgba(0, 212, 255, 0.1));
  border: 1px solid rgba(0, 132, 255, 0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--accent);
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 20px;
}

.service-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.service-link:hover {
  color: var(--accent);
  gap: 10px;
}

/* ---------- 为什么选择我们 ---------- */
.why-us {
  background: var(--dark);
}

.why-us-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.why-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}

.why-img-wrap img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.why-img-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(6, 12, 26, 0.9);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.why-img-badge i {
  font-size: 1.6rem;
  color: var(--accent);
}

.why-img-badge strong {
  display: block;
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 2px;
}

.why-img-badge span {
  font-size: 1.1rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--accent), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.why-list {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.why-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.why-icon {
  width: 44px;
  height: 44px;
  background: rgba(0, 132, 255, 0.1);
  border: 1px solid rgba(0, 132, 255, 0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--primary);
  flex-shrink: 0;
}

.why-list li strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.why-list li p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---------- 数据成就 ---------- */
.stats-section {
  position: relative;
  overflow: hidden;
  padding: 100px 5%;
}

.stats-bg {
  position: absolute;
  inset: 0;
}

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

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 56px;
}

.stat-item {
  text-align: center;
  padding: 40px 24px;
  background: rgba(13, 22, 48, 0.8);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.stat-item:hover {
  border-color: rgba(0, 132, 255, 0.4);
  box-shadow: var(--glow);
}

.stat-item .stat-icon {
  font-size: 1.8rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.stat-item .stat-number {
  font-size: 2.6rem;
  display: block;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.stat-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ---------- 案例网格（2排3列） ---------- */
.cases-preview {
  background: var(--dark2);
}

.cases-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  flex-wrap: wrap;
  gap: 24px;
}

/* 6格等高等宽网格容器 */
.cases-grid-6 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 24px;
}

/* 每个案例卡片：flex纵向布局，确保等高 */
.case-card-grid {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.case-card-grid:hover {
  border-color: rgba(0, 132, 255, 0.4);
  box-shadow: var(--glow);
  transform: translateY(-5px);
}

/* 图片区域：固定高度，不随内容变化 */
.case-grid-img {
  position: relative;
  overflow: hidden;
  height: 220px;
  flex-shrink: 0;
}

.case-grid-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.case-card-grid:hover .case-grid-img img {
  transform: scale(1.06);
}

.case-grid-overlay {
  position: absolute;
  top: 16px;
  left: 16px;
}

/* 内容区域：flex-grow撑满剩余高度，保证底部对齐 */
.case-grid-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.case-grid-body h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.45;
  color: var(--text-primary);
}

.case-grid-body p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 16px;
  flex: 1;
}

.case-metrics {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: auto;
}

.case-metrics span {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.15);
  padding: 4px 10px;
  border-radius: 100px;
  white-space: nowrap;
}

.case-metrics span i {
  margin-right: 4px;
}

/* ---------- 合作流程 ---------- */
.process-section {
  background: var(--dark);
}

.process-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  margin-top: 64px;
  flex-wrap: wrap;
}

.process-step {
  flex: 1;
  min-width: 200px;
  max-width: 260px;
  text-align: center;
  padding: 0 16px;
}

.process-num {
  font-size: 3rem;
  font-weight: 900;
  background: linear-gradient(135deg, rgba(0,132,255,0.15), rgba(0,212,255,0.08));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -0.04em;
}

.process-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(0,132,255,0.15), rgba(123,47,255,0.1));
  border: 1px solid rgba(0,132,255,0.25);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent);
  margin: 0 auto 20px;
}

.process-step h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.process-step p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.process-connector {
  color: var(--text-muted);
  font-size: 1.2rem;
  padding: 0 8px;
  margin-top: 80px;
  flex-shrink: 0;
}

/* ---------- 客户评价 ---------- */
.testimonials-section {
  background: var(--dark2);
}

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

.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}

.testimonial-card:hover {
  border-color: rgba(0, 132, 255, 0.3);
  box-shadow: var(--glow);
}

.testimonial-stars {
  color: #f59e0b;
  font-size: 0.9rem;
  margin-bottom: 16px;
  display: flex;
  gap: 3px;
}

.testimonial-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--accent2));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #fff;
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-size: 0.92rem;
  font-weight: 700;
}

.testimonial-author span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---------- CTA ---------- */
.cta-section {
  background: var(--dark);
}

.cta-inner {
  position: relative;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 80px 40px;
  overflow: hidden;
}

.cta-orb1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0,132,255,0.15) 0%, transparent 70%);
  top: -100px;
  left: -100px;
}

.cta-orb2 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(123,47,255,0.12) 0%, transparent 70%);
  bottom: -80px;
  right: -80px;
}

.cta-inner .section-label {
  margin-bottom: 20px;
}

.cta-inner .section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 16px;
}

.cta-inner .section-desc {
  margin: 0 auto 40px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1200px) {
  .cases-grid-6 {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto;
  }
}

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .why-us-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cases-grid-6 {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto;
  }
}

@media (max-width: 768px) {
  .hero-content {
    padding: 60px 0;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .process-steps {
    flex-direction: column;
    align-items: center;
  }
  .process-connector {
    transform: rotate(90deg);
    margin: 8px 0;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .cases-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .cases-grid-6 {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
}