/* ===== 页面专用样式 ===== */

/* 页面Hero */
.page-hero {
  position: relative;
  padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
  min-height: 50vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

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

.page-title {
  font-size: 3.5rem;
  font-weight: 900;
  margin-bottom: var(--spacing-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* 关于我们 - 公司简介 */
.about-intro {
  padding: var(--spacing-3xl) 0;
}

.intro-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.intro-text p {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.intro-visual {
  position: relative;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.stat-card {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  text-align: center;
  transition: var(--transition-base);
}

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

.stat-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-light);
}

/* 使命愿景 */
.mission-vision {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-secondary);
}

.mv-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  max-width: 1000px;
  margin: 0 auto;
}

.mv-card {
  background: white;
  padding: var(--spacing-2xl);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border-light);
  text-align: center;
  transition: var(--transition-base);
}

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

.mv-icon {
  margin-bottom: var(--spacing-lg);
  display: inline-block;
}

.mv-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.mv-desc {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* 核心价值观 */
.values {
  padding: var(--spacing-3xl) 0;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.value-card {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  text-align: center;
  transition: var(--transition-base);
}

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

.value-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.value-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.value-desc {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* 联系我们 */
.contact-section {
  padding: var(--spacing-3xl) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
}

/* 联系表单 */
.contact-form-wrapper {
  background: white;
  padding: var(--spacing-2xl);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
}

.form-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.form-desc {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.875rem 1rem;
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition-base);
  background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%234a5568' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* 联系信息 */
.contact-info-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.info-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.info-desc {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-info-item {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: white;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  transition: var(--transition-base);
}

.contact-info-item:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.info-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  color: var(--primary);
}

.info-content h4 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.info-content p,
.info-content a {
  color: var(--text-secondary);
  line-height: 1.7;
}

.info-content a {
  transition: var(--transition-base);
}

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

/* 社交媒体连接 */
.social-connect {
  background: var(--bg-secondary);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
}

.social-connect h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.social-links-large {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.social-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  transition: var(--transition-base);
  color: var(--text-primary);
}

.social-link:hover {
  background: var(--gradient-primary);
  color: white;
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.social-link svg {
  flex-shrink: 0;
}

.social-link span {
  font-weight: 600;
}

/* ===== 响应式设计 ===== */

@media (max-width: 1024px) {
  .intro-content {
    grid-template-columns: 1fr;
  }
  
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .page-title {
    font-size: 2.5rem;
  }
  
  .page-subtitle {
    font-size: 1rem;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .mv-grid {
    grid-template-columns: 1fr;
  }
  
  .values-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-form-wrapper {
    padding: var(--spacing-lg);
  }
  
  .form-title,
  .info-title {
    font-size: 1.5rem;
  }
}

/* RTL支持（阿拉伯语） */
html[dir="rtl"] .contact-info-item:hover {
  transform: translateX(-8px);
}

html[dir="rtl"] .social-link:hover {
  transform: translateX(-8px);
}

html[dir="rtl"] .form-group select {
  background-position: left 1rem center;
  padding-left: 2.5rem;
  padding-right: 1rem;
}

/* ===== Support / Legal Pages ===== */
.support-hero {
  background: linear-gradient(135deg, #050510 0%, #0d0d2b 50%, #050510 100%);
  padding: 120px 0 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.support-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(102,126,234,0.15) 0%, transparent 70%);
  pointer-events: none;
}
.sh-inner { position: relative; z-index: 1; }
.sh-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 96px;
  height: 96px;
  background: rgba(102,126,234,0.1);
  border: 1px solid rgba(102,126,234,0.25);
  border-radius: 24px;
  margin-bottom: 24px;
}
.support-hero h1 { font-size: clamp(2rem,5vw,3rem); font-weight: 800; color: #fff; margin: 0 0 12px; }
.support-hero p  { color: rgba(255,255,255,0.55); font-size: 1rem; margin: 0; }

.support-body {
  background: #0a0a1a;
  padding: 64px 0 80px;
  min-height: 60vh;
}

/* FAQ grid */
.sp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
  gap: 40px 48px;
  margin-bottom: 56px;
}
.sp-category { display: block; }
.sp-cat-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sp-faqs { display: flex; flex-direction: column; gap: 8px; }
.sp-faq {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.2s;
}
.sp-faq:hover { border-color: rgba(102,126,234,0.35); }
.sp-q {
  padding: 16px 20px;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  font-size: 0.95rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}
.sp-q::after {
  content: '+';
  font-size: 1.3rem;
  color: #667eea;
  font-weight: 300;
  flex-shrink: 0;
  transition: transform 0.25s;
}
.sp-faq.open .sp-q::after { transform: rotate(45deg); }
.sp-a {
  display: none;
  padding: 0 20px 16px;
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  line-height: 1.7;
}
.sp-a a { color: #667eea; }
.sp-faq.open .sp-a { display: block; }
.sp-cta {
  text-align: center;
  padding: 40px;
  background: rgba(102,126,234,0.07);
  border: 1px solid rgba(102,126,234,0.2);
  border-radius: 20px;
}
.sp-cta p { color: rgba(255,255,255,0.7); margin: 0 0 20px; font-size: 1.05rem; }

/* Legal doc */
.legal-doc {
  max-width: 820px;
  margin: 0 auto;
}
.ld-section {
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.ld-section:last-child { border-bottom: none; }
.ld-section h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 16px;
  background: linear-gradient(135deg,#667eea,#f093fb);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.ld-section h3 {
  font-size: 1rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  margin: 20px 0 10px;
}
.ld-section p {
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
  margin: 0 0 12px;
  font-size: 0.95rem;
}
.ld-section ul {
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
  margin: 0 0 12px;
  padding-left: 1.4em;
  font-size: 0.95rem;
}
.ld-section ul li { margin-bottom: 6px; }
.ld-section strong { color: rgba(255,255,255,0.85); }
.ld-section a { color: #667eea; text-decoration: none; }
.ld-section a:hover { text-decoration: underline; }

@media (max-width: 768px) {
  .sp-grid { grid-template-columns: 1fr; }
  .support-hero { padding: 100px 0 48px; }
}