/* 首页专属样式 */

/* 英雄区域 */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, #e8f8f5 0%, #d1f2eb 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 184, 148, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.25rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* 英雄区域视觉效果 */
.hero-visual {
  position: relative;
  height: 500px;
}

.visual-card {
  position: absolute;
  background: white;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 1rem;
  animation: float 3s ease-in-out infinite;
}

.visual-card .card-icon {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: white;
}

.icon-blue {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.icon-green {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
}

.icon-purple {
  background: linear-gradient(135deg, #a855f7, #7c3aed);
}

.icon-gradient-blue {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.icon-gradient-green {
  background: linear-gradient(135deg, #10b981, #059669);
}

.icon-gradient-orange {
  background: linear-gradient(135deg, #f59e0b, #d97706);
}

.icon-gradient-cyan {
  background: linear-gradient(135deg, #06b6d4, #0891b2);
}

.icon-gradient-purple {
  background: linear-gradient(135deg, #a855f7, #7c3aed);
}

.icon-gradient-teal {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.icon-gradient-red {
  background: linear-gradient(135deg, #ef4444, #dc2626);
}

.icon-gradient-indigo {
  background: linear-gradient(135deg, #6366f1, #4f46e5);
}

.visual-card .card-text {
  display: flex;
  flex-direction: column;
}

.visual-card .card-text strong {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.visual-card .card-text span {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.card-1 {
  top: 50px;
  left: 50px;
  animation-delay: 0s;
}

.card-2 {
  top: 200px;
  right: 80px;
  animation-delay: 1s;
}

.card-3 {
  bottom: 80px;
  left: 100px;
  animation-delay: 2s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

/* 痛点分析 */
.pain-points-section {
  background: var(--bg-secondary);
}

.pain-points-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-top: 3rem;
}

.pain-point-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
  border-left: 5px solid var(--primary-color);
  transition: all 0.3s ease;
}

.pain-point-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.pain-point-number {
  display: inline-flex;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: white;
  border-radius: 50%;
  font-size: 1.75rem;
  font-weight: 900;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.pain-point-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  line-height: 1.4;
}

.pain-point-problem {
  background: rgba(239, 68, 68, 0.05);
  border-left: 4px solid #ef4444;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
}

.pain-point-problem h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #dc2626;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pain-point-problem p {
  line-height: 1.8;
  color: var(--text-secondary);
}

.pain-point-problem strong {
  color: #dc2626;
  font-weight: 700;
}

.pain-point-impacts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.impact-tag {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
}

.impact-tag.danger {
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
}

.impact-tag.warning {
  background: rgba(245, 158, 11, 0.1);
  color: #d97706;
}

.impact-tag.info {
  background: rgba(59, 130, 246, 0.1);
  color: #2563eb;
}

.pain-point-solution {
  background: linear-gradient(135deg, rgba(0, 184, 148, 0.05), rgba(0, 206, 201, 0.05));
  border-left: 4px solid var(--primary-color);
  padding: 1.5rem;
  border-radius: var(--radius-md);
}

.pain-point-solution h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pain-point-solution ul {
  list-style: none;
  margin-bottom: 1.5rem;
}

.pain-point-solution ul li {
  padding: 0.75rem 0;
  line-height: 1.7;
  color: var(--text-secondary);
  position: relative;
  padding-left: 1.5rem;
}

.pain-point-solution ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

.pain-point-solution ul li strong {
  color: var(--primary-color);
  font-weight: 700;
}

.solution-result {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.result-highlight {
  padding: 0.625rem 1.25rem;
  background: var(--primary-color);
  color: white;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.9375rem;
}

/* 价值区域 */
.value-card {
  position: relative;
  overflow: hidden;
}

.value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.value-card:hover::before {
  transform: scaleX(1);
}

.value-list {
  list-style: none;
  margin-top: 1.5rem;
}

.value-list li {
  padding: 0.5rem 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: 1.5rem;
}

.value-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-weight: bold;
}

/* 功能区域 */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.feature-item {
  text-align: center;
  padding: 2rem;
  background: white;
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.feature-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 70px;
  height: 70px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  margin: 0 auto 1rem;
  flex-shrink: 0;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.feature-description {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 应用场景 */
.scenario-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.scenario-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.scenario-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.scenario-icon {
  font-size: 3rem;
}

.scenario-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

.scenario-description {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.scenario-benefits {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.scenario-benefits li {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* 技术优势 */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.tech-item {
  text-align: center;
  padding: 2rem;
  background: white;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.tech-number {
  font-size: 4rem;
  font-weight: 900;
  color: rgba(37, 99, 235, 0.1);
  line-height: 1;
  margin-bottom: 1rem;
}

.tech-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.tech-description {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* 联系表单 */
.contact-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
  color: white;
}

.contact-section .section-subtitle,
.contact-section .section-title,
.contact-section .section-description {
  color: white;
}

.contact-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  margin-top: 3rem;
}

.contact-form {
  background: white;
  padding: 3rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: all 0.3s ease;
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.1);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

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

.contact-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  flex-shrink: 0;
}

.contact-text h4 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  color: white;
}

.contact-text p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9375rem;
}

/* 表单select样式 */
.contact-form select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  font-size: 1rem;
  background-color: #fff;
  color: #333;
  cursor: pointer;
  transition: all 0.3s ease;
  appearance: none;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="12" height="8" viewBox="0 0 12 8"><path fill="%23333" d="M1.41 0L6 4.59 10.59 0 12 1.41l-6 6-6-6z"/></svg>');
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 3rem;
}

.contact-form select:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.contact-form select option {
  padding: 0.5rem;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    display: none;
  }

  .features-grid,
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 100px 0 60px;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-description {
    font-size: 1.125rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
  }

  .features-grid,
  .tech-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .scenario-benefits {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 2rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

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