/* 基础样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: #1f2937;
  background-color: #ffffff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* 按钮样式 */
.btn-primary {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1d4ed8, #1e40af);
  transform: translateY(-2px);
  box-shadow: 0 8px 15px -3px rgba(59, 130, 246, 0.4);
}

.btn-outline {
  background: transparent;
  color: #3b82f6;
  border: 2px solid #3b82f6;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-outline:hover {
  background: #3b82f6;
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-ghost {
  background: transparent;
  color: #6b7280;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-ghost:hover {
  color: #3b82f6;
  background: rgba(59, 130, 246, 0.1);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

.btn-white {
  background: white;
  color: #3b82f6;
  border: none;
  padding: 1rem 2rem;
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.btn-white:hover {
  background: #f9fafb;
  transform: translateY(-2px);
  box-shadow: 0 8px 15px -3px rgba(0, 0, 0, 0.2);
}

.btn-outline-white {
  background: transparent;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
  padding: 1rem 2rem;
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

/* 导航栏 */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e5e7eb;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.logo-icon {
  padding: 0.5rem;
  background: linear-gradient(135deg, #3b82f6, #10b981);
  border-radius: 0.5rem;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-text {
  font-weight: 700;
  font-size: 1.25rem;
  background: linear-gradient(135deg, #1d4ed8, #059669);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  color: #4b5563;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.875rem;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: #3b82f6;
}

.nav-actions {
  display: none;
  align-items: center;
  gap: 0.75rem;
}

.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-btn span {
  width: 1.5rem;
  height: 2px;
  background: #4b5563;
  transition: all 0.3s ease;
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: white;
  border-bottom: 1px solid #e5e7eb;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.mobile-menu.active {
  display: block;
}

.mobile-menu-content {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-menu-content a {
  color: #4b5563;
  text-decoration: none;
  font-weight: 500;
  padding: 0.75rem 0;
  border-bottom: 1px solid #f3f4f6;
}

.mobile-menu-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1rem;
}

/* Hero区域 */
.hero {
  position: relative;
  padding: 5rem 1rem;
  overflow: hidden;
  background: linear-gradient(135deg, #eff6ff 0%, #ffffff 50%, #f0fdf4 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-decoration {
  position: absolute;
  border-radius: 50%;
  mix-blend-mode: multiply;
  filter: blur(40px);
  opacity: 0.3;
  animation: pulse 4s ease-in-out infinite;
}

.hero-decoration-1 {
  top: 5rem;
  left: 2.5rem;
  width: 18rem;
  height: 18rem;
  background: #dbeafe;
}

.hero-decoration-2 {
  top: 10rem;
  right: 2.5rem;
  width: 18rem;
  height: 18rem;
  background: #dcfce7;
  animation-delay: 1s;
}

.hero-decoration-3 {
  bottom: 5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 24rem;
  height: 24rem;
  background: #fef3c7;
  animation-delay: 2s;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-icon {
  display: inline-flex;
  padding: 1.5rem;
  background: linear-gradient(135deg, #3b82f6, #10b981);
  border-radius: 1rem;
  color: white;
  margin-bottom: 2rem;
  box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 2rem;
  background: linear-gradient(135deg, #1d4ed8, #059669, #d97706);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.hero-description {
  font-size: 1.25rem;
  color: #6b7280;
  margin-bottom: 3rem;
/*  max-width: 4rem;*/
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.hero-highlight {
  color: #3b82f6;
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 4rem;
}

.hero-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 5xl;
  margin: 0 auto 4rem;
}

.hero-feature-card {
  padding: 2rem;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-radius: 1rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.1);
  transition: all 0.3s ease;
  text-align: center;
}

.hero-feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.hero-feature-icon {
  display: inline-flex;
  padding: 1rem;
  border-radius: 0.75rem;
  margin-bottom: 1.5rem;
  transition: transform 0.3s ease;
}

.hero-feature-card:hover .hero-feature-icon {
  transform: scale(1.1);
}

.hero-feature-icon-1 {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  color: white;
}

.hero-feature-icon-2 {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
}

.hero-feature-icon-3 {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
}

.hero-feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #1f2937;
}

.hero-feature-card p {
  color: #6b7280;
  line-height: 1.6;
}

.hero-trust {
  text-align: center;
}

.hero-trust p {
  font-size: 0.875rem;
  color: #6b7280;
  margin-bottom: 1.5rem;
}

.trust-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  opacity: 0.6;
}

.trust-logos span {
  font-size: 1.5rem;
  font-weight: 700;
  color: #9ca3af;
}

/* 统计数据 */
.stats {
  padding: 4rem 1rem;
  background: linear-gradient(135deg, #f9fafb, #f3f4f6);
}

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

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

.stat-icon {
  display: inline-flex;
  padding: 1rem;
  border-radius: 1rem;
  margin-bottom: 1rem;
  color: white;
  transition: transform 0.3s ease;
}

.stat-item:hover .stat-icon {
  transform: scale(1.1);
}

.stat-icon-1 {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}

.stat-icon-2 {
  background: linear-gradient(135deg, #10b981, #059669);
}

.stat-icon-3 {
  background: linear-gradient(135deg, #f59e0b, #d97706);
}

.stat-icon-4 {
  background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: #1f2937;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.875rem;
  color: #6b7280;
  font-weight: 500;
}

/* 通用区域样式 */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #1d4ed8, #059669);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-description {
  font-size: 1.25rem;
  color: #6b7280;
  max-width: 3xl;
  margin: 0 auto;
  line-height: 1.6;
}

.highlight {
  color: #3b82f6;
  font-weight: 600;
}

/* 产品功能 */
.features {
  padding: 5rem 1rem;
  background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.feature-card {
  padding: 2rem;
  background: white;
  border-radius: 1rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  border: 1px solid #e5e7eb;
  transition: all 0.3s ease;
  overflow: hidden;
  position: relative;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(135deg, #3b82f6, #10b981);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.feature-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  padding: 1rem;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(16, 185, 129, 0.05));
  border-radius: 0.75rem;
}

.feature-icon {
  display: flex;
  padding: 0.75rem;
  background: linear-gradient(135deg, #3b82f6, #10b981);
  border-radius: 0.75rem;
  color: white;
  box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.3);
  transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
  transform: scale(1.1);
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #1f2937;
}

.feature-card p {
  color: #6b7280;
  line-height: 1.6;
  padding: 0 1.5rem;
}

/* 工作原理 */
.how-it-works {
  padding: 5rem 1rem;
  background: white;
}

.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  position: relative;
}

.step-card {
  padding: 2rem;
  background: white;
  border-radius: 1rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  border: 1px solid #e5e7eb;
  transition: all 0.3s ease;
  position: relative;
  text-align: center;
}

.step-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.step-number {
  position: absolute;
  top: -1rem;
  left: -1rem;
  width: 2rem;
  height: 2rem;
  background: linear-gradient(135deg, #3b82f6, #10b981);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 0.875rem;
  box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.3);
}

.step-icon {
  display: inline-flex;
  padding: 1.5rem;
  border-radius: 1rem;
  margin-bottom: 1.5rem;
  color: white;
  box-shadow: 0 8px 15px -3px rgba(0, 0, 0, 0.2);
}

.step-icon-1 {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}

.step-icon-2 {
  background: linear-gradient(135deg, #f59e0b, #d97706);
}

.step-icon-3 {
  background: linear-gradient(135deg, #10b981, #059669);
}

.step-icon-4 {
  background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.step-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #1f2937;
}

.step-card p {
  color: #6b7280;
  line-height: 1.6;
}

/* 客户评价 */
.testimonials {
  padding: 5rem 1rem;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(16, 185, 129, 0.05) 100%);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.testimonial-card {
  padding: 2rem;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-radius: 1rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.testimonial-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.testimonial-header svg {
  color: #3b82f6;
  opacity: 0.6;
}

.stars {
  color: #fbbf24;
  font-size: 1.25rem;
}

.testimonial-card p {
  color: #4b5563;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: 2px solid rgba(59, 130, 246, 0.2);
}

.author-name {
  font-weight: 600;
  color: #1f2937;
}

.author-role {
  font-size: 0.875rem;
  color: #6b7280;
}

.author-company {
  font-size: 0.875rem;
  color: #3b82f6;
  font-weight: 500;
}

/* 价格方案 */
.pricing {
  padding: 5rem 1rem;
  background: linear-gradient(
    135deg,
    rgba(59, 130, 246, 0.05) 0%,
    rgba(255, 255, 255, 1) 50%,
    rgba(16, 185, 129, 0.05) 100%
  );
}

/* 套餐页面专用样式 */
.pricing-section {
  padding: 3rem 1rem 5rem;
  background: linear-gradient(
    135deg,
    rgba(59, 130, 246, 0.05) 0%,
    rgba(255, 255, 255, 1) 50%,
    rgba(16, 185, 129, 0.05) 100%
  );
}

.page-header {
  padding: 3rem 1rem 2rem;
  text-align: center;
  background: linear-gradient(135deg, #3b82f6, #10b981);
  color: white;
}

.page-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.7));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-description {
  font-size: 1.125rem;
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto;
  opacity: 0.9;
}

/* 计费周期切换 */
.billing-toggle {
  display: flex;
  justify-content: center;
  margin-bottom: 3rem;
}

.toggle-container {
  display: flex;
  background: white;
  border-radius: 0.75rem;
  padding: 0.25rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  border: 1px solid #e5e7eb;
}

.toggle-btn {
  padding: 0.75rem 1.5rem;
  border: none;
  background: transparent;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #6b7280;
}

.toggle-btn.active {
  background: linear-gradient(135deg, #3b82f6, #10b981);
  color: white;
  box-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
}

.discount-badge {
  background: #fef3c7;
  color: #d97706;
  padding: 0.25rem 0.5rem;
  border-radius: 0.375rem;
  font-size: 0.75rem;
  font-weight: 700;
}

.toggle-btn.active .discount-badge {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

/* 功能对比表 */
.comparison-table {
  margin-top: 4rem;
  background: white;
  border-radius: 1rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.comparison-table h3 {
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  padding: 2rem;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(16, 185, 129, 0.05));
  margin: 0;
  color: #1f2937;
}

.table-container {
  overflow-x: auto;
}

.features-table {
  width: 100%;
  border-collapse: collapse;
}

.features-table th,
.features-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid #e5e7eb;
}

.features-table th {
  background: #f9fafb;
  font-weight: 600;
  color: #374151;
  text-align: center;
}

.features-table th:first-child {
  text-align: left;
}

.features-table td {
  color: #6b7280;
  text-align: center;
}

.features-table td:first-child {
  font-weight: 500;
  color: #374151;
  text-align: left;
}

.features-table tr:hover {
  background: rgba(59, 130, 246, 0.02);
}

/* 常见问题 */
.pricing-faq {
  margin-top: 4rem;
}

.pricing-faq h3 {
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 2rem;
  color: #1f2937;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.faq-item {
  background: white;
  padding: 1.5rem;
  border-radius: 0.75rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  border: 1px solid #e5e7eb;
  transition: all 0.3s ease;
}

.faq-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.faq-item h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #1f2937;
}

.faq-item p {
  color: #6b7280;
  line-height: 1.6;
}

/* 购买模态框 */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal.show {
  opacity: 1;
}

.modal-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: white;
  border-radius: 1rem;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transition: transform 0.3s ease;
}

.modal.show .modal-content {
  transform: translate(-50%, -50%) scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid #e5e7eb;
}

.modal-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #1f2937;
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: #6b7280;
  transition: color 0.3s ease;
}

.modal-close:hover {
  color: #374151;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  padding: 1.5rem;
  border-top: 1px solid #e5e7eb;
}

/* 购买摘要 */
.purchase-summary {
  margin-bottom: 2rem;
}

.plan-info {
  text-align: center;
  margin-bottom: 1.5rem;
}

.plan-info h4 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #1f2937;
  margin-bottom: 0.5rem;
}

.plan-info p {
  color: #6b7280;
}

.price-info {
  text-align: center;
  padding: 1.5rem;
  background: #f9fafb;
  border-radius: 0.75rem;
  margin-bottom: 1.5rem;
}

.price-display {
  margin-bottom: 1rem;
}

.price-display .price {
  font-size: 2rem;
  font-weight: 800;
  color: #1f2937;
}

.price-display .period {
  color: #6b7280;
  margin-left: 0.5rem;
}

.billing-cycle {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.billing-cycle label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-weight: 500;
  color: #374151;
}

.billing-cycle input[type="radio"] {
  margin: 0;
}

/* 支付方式 */
.payment-methods h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #1f2937;
}

.payment-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
}

.payment-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
  border: 2px solid #e5e7eb;
  border-radius: 0.75rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.payment-option:hover {
  border-color: #3b82f6;
  background: rgba(59, 130, 246, 0.05);
}

.payment-option input[type="radio"] {
  display: none;
}

.payment-option input[type="radio"]:checked + .payment-icon + span {
  color: #3b82f6;
  font-weight: 600;
}

.payment-option input[type="radio"]:checked ~ * {
  color: #3b82f6;
}

.payment-option:has(input[type="radio"]:checked) {
  border-color: #3b82f6;
  background: rgba(59, 130, 246, 0.05);
}

.payment-icon {
  margin-bottom: 0.5rem;
}

.payment-option span {
  font-size: 0.875rem;
  font-weight: 500;
  color: #374151;
  transition: color 0.3s ease;
}

/* 加载状态 */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2000;
}

.loading-content {
  text-align: center;
  color: white;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top: 3px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* 动画效果 */
.animate-in {
  animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 7xl;
  margin: 0 auto;
}

.pricing-card {
  background: white;
  border-radius: 1rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  border: 1px solid #e5e7eb;
  transition: all 0.3s ease;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.pricing-popular {
  border: 2px solid #10b981;
  box-shadow: 0 10px 25px -5px rgba(16, 185, 129, 0.3);
  transform: scale(1.05);
}

.popular-badge {
  position: absolute;
  top: -0.75rem;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: 0 4px 6px -1px rgba(16, 185, 129, 0.3);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.pricing-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(135deg, #3b82f6, #10b981);
}

.pricing-header {
  padding: 2rem;
  text-align: center;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(16, 185, 129, 0.05));
}

.pricing-icon {
  display: inline-flex;
  padding: 1rem;
  background: linear-gradient(135deg, #3b82f6, #10b981);
  border-radius: 1rem;
  color: white;
  margin-bottom: 1rem;
  box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.3);
  transition: transform 0.3s ease;
}

.pricing-card:hover .pricing-icon {
  transform: scale(1.1);
}

.pricing-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #1f2937;
}

.pricing-price {
  margin-bottom: 1rem;
}

.price {
  font-size: 2.5rem;
  font-weight: 800;
  color: #1f2937;
}

.period {
  color: #6b7280;
  margin-left: 0.5rem;
}

.original-price {
  font-size: 0.875rem;
  color: #6b7280;
  text-decoration: line-through;
  margin-top: 0.25rem;
}

.pricing-header p {
  color: #6b7280;
}

.pricing-features {
  padding: 2rem 2rem 1.5rem;
  background: white;
  flex: 1;
}

.pricing-card .btn-primary,
.pricing-card .btn-outline {
  justify-content: center;
  text-align: center;
  padding: 0.75rem 2rem;
  min-width: 160px;
  max-width: 280px;
  margin: 0 auto 2rem;
  display: flex;
  width: 75%;
}

.feature {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.feature svg {
  color: #10b981;
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.feature span {
  color: #4b5563;
  line-height: 1.5;
}

.pricing-footer {
  margin-top: 4rem;
  text-align: center;
}

.pricing-card .btn-primary,
.pricing-card .btn-outline {
  justify-content: center;
  text-align: center;
  padding: 0.75rem 2rem;
  min-width: 160px;
  max-width: 280px;
  margin: 0 auto 2rem;
  display: flex;
  width: 75%;
}

.enterprise-plan {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-radius: 1rem;
  padding: 2rem;
  max-width: 4xl;
  margin: 0 auto 2rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.1);
}

.enterprise-plan h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #1f2937;
}

.enterprise-plan p {
  color: #6b7280;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.enterprise-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
}

.pricing-guarantees {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  text-align: center;
}

.guarantee {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: #6b7280;
}

.guarantee-icon {
  width: 0.5rem;
  height: 0.5rem;
  background: #10b981;
  border-radius: 50%;
}

/* FAQ */
.faq {
  padding: 5rem 1rem;
  background: white;
}

.faq-list {
  max-width: 4xl;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.3s ease;
}

.faq-item:hover {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem;
  cursor: pointer;
  background: white;
  border-radius: 0.5rem;
}

.faq-question h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: #1f2937;
  text-align: left;
}

.faq-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: #6b7280;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
  padding: 0 1.5rem 1.5rem;
  max-height: 200px;
}

.faq-answer p {
  color: #6b7280;
  line-height: 1.6;
  padding-top: 0.5rem;
}

/* CTA */
.cta {
  padding: 5rem 1rem;
  background: linear-gradient(135deg, #1d4ed8 0%, #7c3aed 50%, #059669 100%);
  position: relative;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
}

.cta-decoration {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
}

.cta-decoration-1 {
  top: 5rem;
  right: 5rem;
  width: 16rem;
  height: 16rem;
  background: rgba(255, 255, 255, 0.1);
}

.cta-decoration-2 {
  bottom: 5rem;
  left: 5rem;
  width: 16rem;
  height: 16rem;
  background: rgba(16, 185, 129, 0.2);
}

.cta-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 4xl;
  margin: 0 auto;
}

.cta-icon {
  display: inline-flex;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 1rem;
  color: white;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
}

.cta h2 {
  font-size: 2.5rem;
  font-weight: 800;
  color: white;
  margin-bottom: 2rem;
}

.cta p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 3rem;
  line-height: 1.6;
}

.cta-highlight {
  color: #fbbf24;
  font-weight: 600;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3rem;
}

.cta-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  text-align: center;
}

.cta-feature {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.9);
}

.cta-feature-dot {
  width: 0.5rem;
  height: 0.5rem;
  background: #fbbf24;
  border-radius: 50%;
}

/* Footer */
.footer {
  background: linear-gradient(135deg, #1f2937 0%, #111827 50%, #1f2937 100%);
  color: white;
  padding: 4rem 1rem 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-about {
  margin-bottom: 2rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.footer-about p {
  color: #d1d5db;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: rgba(75, 85, 99, 0.5);
  border-radius: 0.5rem;
  color: #d1d5db;
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: #3b82f6;
  color: white;
}

.footer-section h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: #3b82f6;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 1rem;
}

.footer-section ul li a {
  color: #d1d5db;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: #3b82f6;
}

.contact-info {
  margin-bottom: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: #d1d5db;
}

.contact-item svg {
  color: #f59e0b;
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.work-hours {
  padding: 1rem;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(16, 185, 129, 0.1));
  border-radius: 0.5rem;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.work-hours h4 {
  font-weight: 600;
  color: #3b82f6;
  margin-bottom: 0.5rem;
}

.work-hours p {
  font-size: 0.875rem;
  color: #d1d5db;
  line-height: 1.5;
}

.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: 2rem;
}

.footer-bottom-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.footer-bottom-content p {
  color: #9ca3af;
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
}

.footer-links a {
  color: #9ca3af;
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: #3b82f6;
}

.footer-certifications {
  text-align: center;
  font-size: 0.75rem;
  color: #6b7280;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

/* 认证页面样式 */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, #ffffff 50%, rgba(16, 185, 129, 0.05) 100%);
}

.auth-bg {
  position: absolute;
  inset: 0;
}

.auth-decoration {
  position: absolute;
  border-radius: 50%;
  mix-blend-mode: multiply;
  filter: blur(40px);
  opacity: 0.3;
  animation: pulse 4s ease-in-out infinite;
}

.auth-decoration-1 {
  top: 5rem;
  left: 5rem;
  width: 16rem;
  height: 16rem;
  background: #dbeafe;
}

.auth-decoration-2 {
  bottom: 5rem;
  right: 5rem;
  width: 16rem;
  height: 16rem;
  background: #dcfce7;
  animation-delay: 1s;
}

.auth-decoration-3 {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 24rem;
  height: 24rem;
  background: #fef3c7;
  animation-delay: 2s;
}

.auth-container {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 28rem;
}

.auth-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 1rem;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  overflow: hidden;
}

.auth-card-large {
  max-width: 32rem;
}

.auth-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(135deg, #3b82f6, #10b981);
}

.auth-header {
  padding: 2rem;
  text-align: center;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(16, 185, 129, 0.05));
}

.auth-icon {
  display: inline-flex;
  padding: 1rem;
  background: linear-gradient(135deg, #3b82f6, #10b981);
  border-radius: 1rem;
  color: white;
  margin-bottom: 1.5rem;
  box-shadow: 0 8px 15px -3px rgba(59, 130, 246, 0.3);
}

.auth-header h1 {
  font-size: 1.875rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #1d4ed8, #059669);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.auth-header p {
  font-size: 1.125rem;
  color: #6b7280;
}

.auth-form {
  padding: 2rem;
  background: white;
}

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

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

.form-group label {
  display: block;
  font-weight: 500;
  color: #374151;
  margin-bottom: 0.5rem;
}

.input-group {
  position: relative;
}

.input-group input {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid #e5e7eb;
  border-radius: 0.5rem;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: white;
}

.input-group input:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.password-toggle {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: #6b7280;
  padding: 0.5rem;
  border-radius: 0.25rem;
  transition: background-color 0.3s ease;
}

.password-toggle:hover {
  background: #f3f4f6;
}

.form-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.875rem;
  color: #6b7280;
}

.checkbox-label-large {
  align-items: flex-start;
  line-height: 1.5;
  padding: 1rem;
  background: #f9fafb;
  border-radius: 0.5rem;
}

.checkbox-label input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.checkmark {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid #d1d5db;
  border-radius: 0.25rem;
  position: relative;
  transition: all 0.3s ease;
  flex-shrink: 0;
  margin-top: 0.125rem;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
  background: #3b82f6;
  border-color: #3b82f6;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
  content: "✓";
  color: white;
  font-size: 0.875rem;
  font-weight: bold;
  line-height: 1;
}

.forgot-password {
  color: #3b82f6;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.3s ease;
}

.forgot-password:hover {
  color: #1d4ed8;
}

.auth-divider {
  position: relative;
  text-align: center;
  margin: 2rem 0;
}

.auth-divider::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: #e5e7eb;
}

.auth-divider span {
  background: white;
  padding: 0 1rem;
  color: #6b7280;
  font-size: 0.875rem;
}

.auth-footer {
  padding: 2rem;
  text-align: center;
  background: white;
}

.auth-footer p {
  color: #6b7280;
  margin-bottom: 1rem;
}

.auth-footer a {
  color: #3b82f6;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.auth-footer a:hover {
  color: #1d4ed8;
}

.back-home {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #6b7280;
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.3s ease;
}

.back-home:hover {
  color: #3b82f6;
}

.verification-group {
  display: flex;
  gap: 0.75rem;
  align-items: flex-end;
}

.verification-group .input-group {
  flex: 1;
}

.btn-verification {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  border: none;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
  height: 3rem;
  min-width: 100px;
}

.btn-verification:hover {
  background: linear-gradient(135deg, #059669, #047857);
  transform: translateY(-1px);
}

.btn-verification:disabled {
  background: #9ca3af;
  cursor: not-allowed;
  transform: none;
}

/* 动画 */
@keyframes pulse {
  0%,
  100% {
    opacity: 0.3;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce-in {
  0% {
    transform: scale(0.3);
    opacity: 0;
  }
  50% {
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.animate-fade-in {
  animation: fade-in 0.6s ease-out;
}

.animate-bounce-in {
  animation: bounce-in 0.6s ease-out;
}

/* 响应式设计 */
@media (min-width: 640px) {
  .hero-actions {
    flex-direction: row;
  }

  .cta-actions {
    flex-direction: row;
  }

  .enterprise-actions {
    flex-direction: row;
  }

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

  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .cta-features {
    grid-template-columns: repeat(3, 1fr);
  }

  .pricing-guarantees {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }

  .nav-actions {
    display: flex;
  }

  .mobile-menu-btn {
    display: none;
  }

  .hero-title {
    font-size: 4rem;
  }

  .hero-features {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .footer-bottom-content {
    flex-direction: row;
    justify-content: space-between;
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .steps-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-content {
    grid-template-columns: repeat(4, 1fr);
  }

  .hero-title {
    font-size: 5rem;
  }

  .section-title {
    font-size: 3rem;
  }

  .cta h2 {
    font-size: 3.5rem;
  }
}

@media (min-width: 1280px) {
  .hero-title {
    font-size: 6rem;
  }
}

/* 打印样式 */
@media print {
  .navbar,
  .mobile-menu,
  .cta,
  .footer {
    display: none;
  }

  body {
    font-size: 12pt;
    line-height: 1.4;
  }

  .hero,
  .features,
  .pricing {
    page-break-inside: avoid;
  }
}

/* ==================== 支付页面样式 ==================== */
.payment-page {
    min-height: calc(100vh - 80px);
    padding: 2rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.payment-header {
    text-align: center;
    margin-bottom: 3rem;
    color: white;
}

.payment-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.payment-header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.payment-content {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    gap: 2rem;
}

/* 订单摘要 */
.order-summary {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.order-summary h2 {
    margin-bottom: 1.5rem;
    color: #1a202c;
    font-size: 1.5rem;
}

.order-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 1.5rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.item-info h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: #1a202c;
}

.item-info p {
    color: #64748b;
    margin-bottom: 0.75rem;
}

.billing-period {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.billing-period span {
    font-size: 0.9rem;
    padding: 0.25rem 0.75rem;
    background: #f1f5f9;
    border-radius: 20px;
    color: #475569;
}

.billing-period .discount {
    background: #dcfce7;
    color: #16a34a;
}

.item-price {
    text-align: right;
}

.original-price {
    display: block;
    color: #94a3b8;
    text-decoration: line-through;
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.final-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a202c;
}

.order-total {
    padding-top: 1.5rem;
}

.total-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

.total-row.final {
    font-size: 1.25rem;
    font-weight: 700;
    padding-top: 0.75rem;
    border-top: 2px solid #e2e8f0;
    color: #1a202c;
}

.discount-amount {
    color: #16a34a;
}

/* 支付方式 */
.payment-methods {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.payment-methods h2 {
    margin-bottom: 1.5rem;
    color: #1a202c;
    font-size: 1.5rem;
}

.payment-options {
    display: grid;
    gap: 1rem;
}

.payment-option {
    display: block;
    cursor: pointer;
}

.payment-option input[type="radio"] {
    display: none;
}

.option-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.payment-option input[type="radio"]:checked + .option-content {
    border-color: #3b82f6;
    background: #eff6ff;
}

.option-content:hover {
    border-color: #94a3b8;
}

.option-content span {
    font-weight: 500;
    color: #1a202c;
}

/* 银行卡支付表单 */
.card-payment-form {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-top: 1rem;
}

.card-payment-form h3 {
    margin-bottom: 1.5rem;
    color: #1a202c;
}

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

.form-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #374151;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* 用户信息 */
.user-info {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.user-info h2 {
    margin-bottom: 1.5rem;
    color: #1a202c;
    font-size: 1.5rem;
}

.info-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f1f5f9;
}

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

.info-item span:first-child {
    color: #64748b;
    font-weight: 500;
}

.info-item span:last-child {
    color: #1a202c;
    font-weight: 600;
}

/* 支付按钮 */
.payment-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.payment-actions .btn {
    min-width: 120px;
    position: relative;
    overflow: hidden;
}

.btn-loading {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.loading-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* ==================== 支付成功页面样式 ==================== */
.payment-success-page {
    min-height: calc(100vh - 80px);
    padding: 2rem 0;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.success-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

/* 成功图标 */
.success-icon {
    margin-bottom: 2rem;
    display: inline-block;
}

.success-icon svg {
    filter: drop-shadow(0 10px 20px rgba(16, 185, 129, 0.3));
}

/* 成功信息 */
.success-info {
    margin-bottom: 3rem;
    color: white;
}

.success-info h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.success-message {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* 订单详情 */
.order-details {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: left;
}

.order-details h2 {
    margin-bottom: 1.5rem;
    color: #1a202c;
    font-size: 1.5rem;
    text-align: center;
}

.detail-card {
    background: #f8fafc;
    border-radius: 8px;
    padding: 1.5rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-row .label {
    color: #64748b;
    font-weight: 500;
}

.detail-row .value {
    color: #1a202c;
    font-weight: 600;
}

.detail-row .amount {
    color: #10b981;
    font-size: 1.1rem;
}

/* 下一步操作 */
.next-steps {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: left;
}

.next-steps h2 {
    margin-bottom: 2rem;
    color: #1a202c;
    font-size: 1.5rem;
    text-align: center;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.step-card {
    background: #f8fafc;
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.step-icon {
    margin-bottom: 1rem;
    color: #3b82f6;
}

.step-card h3 {
    margin-bottom: 0.75rem;
    color: #1a202c;
    font-size: 1.1rem;
}

.step-card p {
    color: #64748b;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 客服支持 */
.support-section {
    margin-bottom: 3rem;
}

.support-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.support-card h3 {
    margin-bottom: 1rem;
    color: #1a202c;
    font-size: 1.3rem;
}

.support-card p {
    color: #64748b;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.support-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* 返回按钮 */
.back-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* 激活信息模态框 */
.activation-info .info-item {
    margin-bottom: 1.5rem;
    text-align: left;
}

.activation-info label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #374151;
}

.activation-code {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: #f3f4f6;
    border-radius: 6px;
    border: 1px solid #d1d5db;
}

.activation-code span {
    flex: 1;
    font-family: 'Courier New', monospace;
    font-weight: 600;
    color: #1f2937;
}

.copy-btn {
    padding: 0.5rem 1rem;
    background: #3b82f6;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.3s ease;
}

.copy-btn:hover {
    background: #2563eb;
}

.activation-steps {
    margin: 0;
    padding-left: 1.5rem;
}

.activation-steps li {
    margin-bottom: 0.5rem;
    color: #4b5563;
    line-height: 1.5;
}

/* 响应式设计 - 支付页面 */
@media (max-width: 768px) {
    .payment-page,
    .payment-success-page {
        padding: 1rem 0;
    }
    
    .payment-header h1,
    .success-info h1 {
        font-size: 2rem;
    }
    
    .payment-content {
        padding: 0 1rem;
    }
    
    .order-summary,
    .payment-methods,
    .card-payment-form,
    .user-info,
    .order-details,
    .next-steps,
    .support-card {
        padding: 1.5rem;
    }
    
    .order-item {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .item-price {
        text-align: left;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .payment-actions,
    .support-actions,
    .back-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .activation-code {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .copy-btn {
        align-self: stretch;
    }
}