/* ============================
   内页通用样式
   ============================ */

/* --- 关于页面 --- */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-highlights {
  display: flex;
  gap: 36px;
}

.highlight-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.highlight-num {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -1px;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.highlight-item span:last-child {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* 关于页面视觉装饰 */
.about-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 380px;
  margin: 0 auto;
}

.visual-card {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 500;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition);
}

.visual-card:hover { transform: scale(1.05); }

.visual-icon { font-size: 1.6rem; }

.visual-card-1 { top: 0; left: 0; }
.visual-card-2 { top: 0; right: 0; }
.visual-card-3 { bottom: 0; left: 0; }
.visual-card-4 { bottom: 0; right: 0; }

.about-center-logo {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 72px; height: 72px;
  background: var(--gradient);
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 800;
  box-shadow: 0 8px 32px rgba(79,142,247,0.4);
}

@media (max-width: 768px) {
  .about-intro {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-visual { max-width: 280px; }
}

/* --- 使命愿景 --- */
.mvv-section {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.mvv-card {
  text-align: center;
}

.mvv-icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
}

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

.mvv-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* --- 时间轴 --- */
.timeline-section {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--primary), var(--secondary), transparent);
  transform: translateX(-50%);
}

.timeline-item {
  display: grid;
  grid-template-columns: 1fr 40px 1fr;
  align-items: center;
  gap: 24px;
  margin-bottom: 40px;
}

.timeline-item:nth-child(even) .timeline-year { order: 3; text-align: left; }
.timeline-item:nth-child(even) .timeline-content { order: 1; text-align: right; }
.timeline-item:nth-child(odd) .timeline-year { text-align: right; }

.timeline-year {
  font-size: 1.3rem;
  font-weight: 900;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.timeline-dot {
  width: 14px; height: 14px;
  background: var(--gradient);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(79,142,247,0.6);
  justify-self: center;
  position: relative;
  z-index: 1;
}

.timeline-content {
  padding: 20px 24px !important;
}

.timeline-content h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.timeline-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 600px) {
  .timeline::before { left: 20px; }
  .timeline-item {
    grid-template-columns: 40px 1fr;
    grid-template-rows: auto auto;
  }
  .timeline-year { display: none; }
  .timeline-dot { grid-column: 1; grid-row: 1; }
  .timeline-content { grid-column: 2; grid-row: 1; }
  .timeline-item:nth-child(even) .timeline-year { order: unset; }
  .timeline-item:nth-child(even) .timeline-content { order: unset; text-align: left; }
}

/* --- 团队卡片 --- */
.team-card {
  text-align: center;
}

.team-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 16px;
  box-shadow: 0 8px 24px rgba(79,142,247,0.3);
}

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

.team-card .badge {
  display: inline-block;
  margin-bottom: 12px;
}

.team-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-top: 8px;
}

/* --- 认证 --- */
.cert-section {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.cert-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 24px 16px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: border-color var(--transition);
}

.cert-item:hover { border-color: rgba(79,142,247,0.3); }

.cert-icon { font-size: 1.8rem; }

@media (max-width: 900px) {
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 480px) {
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================
   产品服务页面
   ============================ */
.product-hero-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 80px;
}

.product-main-card {
  grid-column: span 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 48px;
}

.product-main-card:nth-child(even) .product-main-img {
  order: -1;
}

.product-main-info .badge {
  margin-bottom: 16px;
}

.product-main-info h2 {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.product-main-info p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

.product-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}

.product-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.product-features li::before {
  content: '✓';
  width: 20px; height: 20px;
  background: rgba(79,142,247,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--primary);
  flex-shrink: 0;
}

.product-main-img {
  height: 280px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  position: relative;
  overflow: hidden;
}

.product-main-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(79,142,247,0.08) 0%, transparent 70%);
}

@media (max-width: 768px) {
  .product-main-card {
    grid-column: span 1;
    grid-template-columns: 1fr;
    padding: 28px;
    gap: 28px;
  }
  .product-hero-cards { grid-template-columns: 1fr; }
}

/* ============================
   案例展示页面
   ============================ */
.cases-filter {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: rgba(79,142,247,0.15);
  border-color: rgba(79,142,247,0.4);
  color: var(--primary);
}

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

.case-full-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: pointer;
}

.case-full-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.4);
  border-color: rgba(79,142,247,0.3);
}

.case-full-img {
  height: 200px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
}

.case-result {
  display: flex;
  gap: 16px;
  padding: 12px 20px;
  background: var(--bg-card2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.result-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  gap: 2px;
}

.result-num {
  font-size: 1.1rem;
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.result-label {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.case-full-body {
  padding: 20px;
}

.case-full-body h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.case-full-body p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 14px;
}

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

@media (max-width: 580px) {
  .cases-grid { grid-template-columns: 1fr; }
}

/* ============================
   联系页面
   ============================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  align-items: start;
}

.contact-info h2 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.contact-item-icon {
  width: 44px; height: 44px;
  background: rgba(79,142,247,0.12);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-item-info strong {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 4px;
  font-weight: 500;
}

.contact-item-info span {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 600;
}

/* 联系表单 */
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.contact-form-wrap h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 24px;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 12px 16px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: var(--font);
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: rgba(79,142,247,0.5);
  box-shadow: 0 0 0 3px rgba(79,142,247,0.1);
}

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

.form-group select option {
  background: var(--bg-card);
}

.form-submit {
  width: 100%;
  justify-content: center;
  margin-top: 8px;
}

.form-success {
  display: none;
  text-align: center;
  padding: 32px;
  color: var(--text-secondary);
}

.form-success .success-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 24px; }
}

/* CTA box shared */
.cta-box {
  position: relative;
  text-align: center;
  padding: 72px 40px;
  background: var(--bg-card);
  border: 1px solid rgba(79,142,247,0.2);
  border-radius: 24px;
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse, rgba(79,142,247,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-box h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
  position: relative;
}

.cta-box p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 36px;
  position: relative;
}

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

/* bg card2 */
.bg-card2 { background: var(--bg-card2); }