/* 内页通用样式 */
.navbar.scrolled .nav-links > li > a { color: var(--text-body); }
.navbar.scrolled .nav-links > li > a:hover { color: var(--primary); }

/* Page Header Banner — 左对齐风格 */
.page-header-banner {
  position: relative;
  background: linear-gradient(145deg, #0a1628 0%, #0d2137 60%, #0a2a1e 100%);
  padding: 140px 0 90px;
  overflow: hidden;
  text-align: left;
}

/* 网格背景线 */
.page-header-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(6,203,148,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6,203,148,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.ph-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* 右上角光晕 */
.ph-orb {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(6,203,148,0.20) 0%, rgba(6,203,148,0.06) 40%, transparent 70%);
  border-radius: 50%;
  top: -180px;
  right: -80px;
  filter: blur(50px);
}
/* 右上角辅助光晕 */
.ph-orb::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(79,172,254,0.12) 0%, transparent 70%);
  border-radius: 50%;
  top: -300px;
  right: -400px;
  filter: blur(50px);
}

.ph-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0;
}

/* badge 标签 */
.ph-content .section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(6,203,148,0.12);
  border: 1px solid rgba(6,203,148,0.3);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 0;
}
.ph-content .section-label::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  animation: pulse-dot 2s ease-in-out infinite;
}

.ph-content h1 {
  font-size: clamp(32px, 4.5vw, 54px);
  font-weight: 800;
  color: white;
  margin: 20px 0 16px;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.ph-content > p {
  font-size: 17px;
  color: rgba(255,255,255,0.60);
  line-height: 1.8;
  max-width: 560px;
  margin: 0;
}

/* CTA 按钮区 */
.ph-actions {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.ph-actions .btn-primary {
  padding: 12px 28px;
  font-size: 15px;
}
.ph-actions .btn-outline {
  padding: 11px 24px;
  font-size: 15px;
  color: rgba(255,255,255,0.75);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.ph-actions .btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.gradient-text {
  background: linear-gradient(135deg, #06CB94, #00e5b0, #4facfe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== 解决方案页 ===== */
.sol-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.sol-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  background: white;
}

.sol-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.sol-top {
  padding: 28px;
  color: white;
}

.sol-emoji { font-size: 36px; margin-bottom: 10px; }

/* 高级 SVG 图标容器 */
.sol-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12), inset 0 1px 0 rgba(255,255,255,0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sol-card:hover .sol-icon {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.18), inset 0 1px 0 rgba(255,255,255,0.25);
}

.sol-icon svg {
  width: 32px;
  height: 32px;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.15));
}

.sol-top h2 {
  font-size: 22px;
  font-weight: 700;
  color: white;
}

.sol-body {
  padding: 24px;
}

.sol-body > p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}

.sol-points {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

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

.sol-metrics {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.sol-metrics > div {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}

.sol-metrics strong {
  font-size: 16px;
  font-weight: 800;
  color: var(--primary);
}

.sol-metrics span {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
}

/* ===== 案例页 ===== */
.case-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.case-detail-card {
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.case-detail-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.case-detail-header {
  padding: 28px;
  background: linear-gradient(135deg, #0d2137, #1a3352);
  color: white;
}

.case-detail-header h3 {
  font-size: 20px;
  font-weight: 700;
  color: white;
  margin: 12px 0 8px;
}

.case-detail-header p {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
}

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

.case-challenge, .case-solution {
  margin-bottom: 20px;
}

.case-challenge h4, .case-solution h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.case-challenge p, .case-solution p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

.case-result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 16px;
  background: var(--bg-light);
  border-radius: 10px;
}

.case-result-item {
  text-align: center;
}

.case-result-item strong {
  display: block;
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
}

.case-result-item span {
  font-size: 11px;
  color: var(--text-muted);
}

.case-quote {
  margin-top: 20px;
  padding: 16px;
  background: var(--primary-light);
  border-left: 3px solid var(--primary);
  border-radius: 0 10px 10px 0;
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.7;
  font-style: italic;
}

/* ===== 关于我们 ===== */
.about-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-story-text h2 {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 20px;
  line-height: 1.3;
}

.about-story-text p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-story-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-num-card {
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.about-num-card strong {
  display: block;
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 6px;
}

.about-num-card span {
  font-size: 13px;
  color: var(--text-muted);
}

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

.team-card {
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.team-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 800;
  color: white;
}

.team-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.team-card .team-role {
  font-size: 13px;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 10px;
}

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

.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  padding-bottom: 32px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -36px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid white;
  box-shadow: 0 0 0 3px rgba(6,203,148,0.2);
}

.timeline-year {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}

.timeline-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.timeline-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* CTA section */
.cta-section {
  background: var(--bg-light);
  padding: 60px 0;
}

.cta-box {
  background: linear-gradient(135deg, #0d2137, #0a1f35);
  border-radius: 24px;
  padding: 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

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

.cta-box h2 {
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 800;
  color: white;
  margin-bottom: 14px;
}

.cta-box p {
  font-size: 16px;
  color: rgba(255,255,255,0.65);
  margin-bottom: 36px;
}

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

.cta-decor { position: absolute; inset: 0; pointer-events: none; }

.cta-orb {
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(6,203,148,0.2) 0%, transparent 70%);
  border-radius: 50%;
  top: -150px;
  right: -100px;
}

.cta-orb-2 {
  background: radial-gradient(circle, rgba(102,126,234,0.15) 0%, transparent 70%);
  bottom: -200px;
  left: -100px;
  top: auto;
}

/* Responsive */
@media (max-width: 1024px) {
  .sol-grid { grid-template-columns: repeat(2, 1fr); }
  .case-detail-grid { grid-template-columns: 1fr; }
  .about-team-grid { grid-template-columns: repeat(2, 1fr); }
  .about-story { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  .sol-grid { grid-template-columns: 1fr; }
  .about-team-grid { grid-template-columns: 1fr 1fr; }
  .about-story-visual { grid-template-columns: 1fr 1fr; }
  .cta-box { padding: 36px 20px; }
}