/* ========================================
   布局和页面特定样式
   ======================================== */

/* 页面顶部间距 - 为固定导航栏留出空间 */
body {
  padding-top: 80px;
}

/* 关于我们区域特殊布局 */
.about-content-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-image-placeholder {
  width: 100%;
  height: 400px;
  /* background: linear-gradient(135deg, #0066FF 0%, #00D4AA 100%); */
  background: linear-gradient(135deg, rgba(86, 151, 249, 0.2) 0%, rgba(79, 250, 216, 0.2) 100%);
  /* background: linear-gradient(135deg, #f6f6f6 0%, #efefef 100%); */
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 4rem;
  opacity: 0.9;
}

.about-text-content h3 {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--color-neutral-900);
  margin-bottom: 1.5rem;
  line-height: 1.3;
}

.about-text-content p {
  color: var(--color-neutral-600);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.about-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.about-stat-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.about-stat-icon {
  width: 40px;
  height: 40px;
  background: rgba(0, 102, 255, 0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.about-stat-text {
  font-weight: 600;
  color: var(--color-neutral-800);
  font-size: 0.9375rem;
}

/* 为什么选择我们 - 特殊卡片 */
.why-choose-card {
  background: white;
  border: 1px solid var(--color-neutral-200);
  border-radius: 1rem;
  padding: 2rem;
  transition: all 0.25s ease-out;
}

.why-choose-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.why-choose-icon {
  width: 64px;
  height: 64px;
  background: rgba(0, 102, 255, 0.08);
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 2rem;
  margin-bottom: 1.5rem;
  transition: all 0.25s ease-out;
}

.why-choose-card:hover .why-choose-icon {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-glow);
}

.why-choose-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-neutral-900);
  margin-bottom: 1rem;
}

.why-choose-card p {
  color: var(--color-neutral-600);
  line-height: 1.7;
}

/* 联系我们区域 */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.contact-info-card,
.contact-form-card {
  background: white;
  border-radius: 1.5rem;
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: rgba(0, 102, 255, 0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-info-text h4 {
  font-weight: 700;
  color: var(--color-neutral-900);
  margin-bottom: 0.5rem;
}

.contact-info-text p {
  color: var(--color-neutral-600);
  line-height: 1.6;
}

.contact-social-links {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.contact-social-link {
  width: 40px;
  height: 40px;
  background: rgba(0, 102, 255, 0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  text-decoration: none;
  transition: all 0.25s ease-out;
}

.contact-social-link:hover {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-glow);
}

/* 表单样式 */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  color: var(--color-neutral-800);
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 0.9375rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-neutral-300);
  border-radius: 0.5rem;
  font-size: 1rem;
  font-family: var(--font-primary);
  transition: all 0.25s ease-out;
  background: white;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

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

.form-submit {
  width: 100%;
  padding: 1rem;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease-out;
  box-shadow: var(--shadow-glow);
}

.form-submit:hover {
  box-shadow: var(--shadow-glow-strong);
  transform: translateY(-2px);
}

/* 业务卡片额外样式 */
.service-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding: 0.5rem;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 0.5rem;
  border: 1px solid rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(4px);
}

.service-card-tags:hover {
  background: rgba(255, 255, 255, 0.8);
  border-color: rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

/* 平滑滚动 */
html {
  scroll-padding-top: 100px;
}

/* 复制通知提示样式 */
.copy-notification {
  position: fixed;
  top: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: var(--gradient-primary);
  color: var(--color-white);
  padding: 1rem 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  font-weight: 600;
  font-size: var(--text-sm);
  opacity: 0;
  transition: all var(--duration-base) var(--ease-out);
  z-index: 9999;
  pointer-events: none;
}

.copy-notification.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .about-content-wrapper,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .about-stats-grid {
    grid-template-columns: 1fr;
  }

  /* 通知提示响应式 */
  .copy-notification {
    top: 80px;
    left: 1rem;
    right: 1rem;
    transform: translateX(0) translateY(-20px);
    max-width: calc(100% - 2rem);
  }

  .copy-notification.show {
    transform: translateX(0) translateY(0);
  }
}

/* 平板端优化 (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
  .about-content-wrapper {
    gap: 2rem;
  }
}