/* 赞助页样式 */
.sponsor-page {
  padding: 160px 0 100px;
  background: var(--background-alt);
  min-height: calc(100vh - 72px);
}

.sponsor-header {
  text-align: center;
  margin-bottom: 60px;
}

.sponsor-header h1 {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--warning) 0%, #f97316 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sponsor-header p {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.8;
}

.sponsor-content {
  max-width: 800px;
  margin: 0 auto;
}

.sponsor-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 50px;
  box-shadow: var(--shadow-lg);
  margin-bottom: 40px;
  border: 2px solid var(--warning);
}

.sponsor-card h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 24px;
  text-align: center;
}

.sponsor-description {
  text-align: center;
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
}

.sponsor-method {
  background: var(--background-alt);
  border-radius: var(--radius-md);
  padding: 30px;
  margin-bottom: 24px;
}

.sponsor-method h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.sponsor-method h3 svg {
  width: 24px;
  height: 24px;
  color: var(--primary);
}

.sponsor-info {
  margin-bottom: 20px;
}

.sponsor-info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.sponsor-info-item:last-child {
  border-bottom: none;
}

.sponsor-label {
  font-weight: 600;
  color: var(--text-primary);
}

.sponsor-value {
  font-family: 'Courier New', monospace;
  color: var(--primary);
  font-size: 16px;
  font-weight: 600;
}

.qr-code-section {
  text-align: center;
  margin-top: 30px;
}

.qr-code-placeholder {
  width: 280px;
  height: 280px;
  background: white;
  border: 2px dashed var(--border);
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 14px;
}

.sponsor-note {
  background: rgba(245, 158, 11, 0.1);
  border-left: 4px solid var(--warning);
  padding: 20px;
  border-radius: var(--radius-md);
  margin-top: 30px;
}

.sponsor-note p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}

.sponsor-benefits {
  background: white;
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.sponsor-benefits h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 32px;
  text-align: center;
}

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

.benefit-item {
  text-align: center;
  padding: 24px;
  background: var(--background-alt);
  border-radius: var(--radius-md);
}

.benefit-icon {
  width: 60px;
  height: 60px;
  background: rgba(245, 158, 11, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.benefit-icon svg {
  width: 28px;
  height: 28px;
  color: var(--warning);
}

.benefit-item h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.benefit-item p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}