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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

body {
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f8f9fa;
  overflow-x: hidden;
  min-width: 320px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 容器 */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* 按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  white-space: nowrap;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(to right, #3b82f6, #8b5cf6);
  color: white;
}

.btn-primary:hover {
  background: linear-gradient(to right, #2563eb, #7c3aed);
}

.btn-outline {
  background: transparent;
  border: 1px solid #d1d5db;
  color: #4b5563;
}

.btn-outline:hover {
  background: #f3f4f6;
}

.btn-light {
  background: white;
  color: #3b82f6;
}

.btn-light:hover {
  background: #f9fafb;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1.125rem;
}

.btn-sm {
  padding: 0.25rem 0.75rem;
  font-size: 0.875rem;
}

.btn-block {
  display: block;
  width: 100%;
}

.btn i {
  margin-left: 0.5rem;
}

/* Hide any login/registration buttons that might be present */
.auth-buttons,
.login-btn,
.register-btn,
.signup-btn,
.signin-btn,
button[data-action="login"],
button[data-action="register"] {
  display: none !important;
}

/* 头部导航 */
.header {
  background-color: white;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav {
  margin-left: auto;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(to right, #3b82f6, #8b5cf6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-list {
  display: flex;
  gap: 2rem;
}

.nav-list a {
  color: #4b5563;
  font-weight: 500;
  transition: color 0.3s ease;
  padding: 0.5rem 0;
  position: relative;
}

.nav-list a:hover,
.nav-list a.active {
  color: #3b82f6;
}

.nav-list a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(to right, #3b82f6, #8b5cf6);
  transition: width 0.3s ease;
}

.nav-list a:hover::after,
.nav-list a.active::after {
  width: 100%;
}

.auth-buttons {
  display: flex;
  gap: 0.75rem;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: #4b5563;
  cursor: pointer;
  padding: 0.5rem;
}

/* 移动端菜单 */
.mobile-menu {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  background: white;
  padding: 1rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  z-index: 99;
  max-height: calc(100vh - 80px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1rem;
}

.mobile-nav-list a {
  display: block;
  padding: 0.75rem;
  border-radius: 0.375rem;
  transition: all 0.3s ease;
}

.mobile-nav-list a:hover,
.mobile-nav-list a.active {
  background-color: #f3f4f6;
  color: #3b82f6;
}

.mobile-auth-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* 轮播Banner */
.hero-slider {
  position: relative;
  height: 600px;
  background: linear-gradient(to right, #1e293b, #334155);
  color: white;
  overflow: hidden;
}

.slider-container {
  position: relative;
  height: 100%;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.8s ease;
  display: flex;
  align-items: center;
  background-position: center;
  background-size: cover;
}

.slide::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1;
}

.slide.active {
  opacity: 1;
}

.slide-content {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
  padding: 0 1rem;
}

.subtitle {
  display: inline-block;
  background: rgba(59, 130, 246, 0.2);
  color: #93c5fd;
  padding: 0.25rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1rem;
  max-width: 100%;
  white-space: normal;
}

.title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.title .highlight {
  background: linear-gradient(to right, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.description {
  font-size: 1.25rem;
  max-width: 36rem;
  margin: 0 auto 2rem;
  color: #e2e8f0;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.highlights {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.highlight-item i {
  color: #60a5fa;
  flex-shrink: 0;
}

.slider-controls {
  position: absolute;
  bottom: 2rem;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 0.5rem;
}

.slider-dot {
  width: 2rem;
  height: 0.5rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.3);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
}

.slider-dot.active {
  width: 3rem;
  background: #3b82f6;
}

/* 系统描述 */
.system-descriptions {
  padding: 3rem 0;
  background: #f8f9fa;
}

.system-card {
  background: white;
  border-radius: 0.5rem;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.system-title {
  display: flex;
  align-items: center;
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: #1f2937;
}

.system-title::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 1.25rem;
  background: #3b82f6;
  margin-right: 0.75rem;
  border-radius: 2px;
  flex-shrink: 0;
}

.system-description {
  color: #4b5563;
  line-height: 1.7;
}

/* 价格表 */
.pricing-section {
  padding: 4rem 0;
  background: #f1f5f9;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: #1f2937;
}

.section-description {
  font-size: 1.125rem;
  color: #6b7280;
  max-width: 36rem;
  margin: 0 auto;
}

.tabs {
  margin-bottom: 2rem;
}

.tab-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  background: #e5e7eb;
  padding: 0.5rem;
  border-radius: 0.5rem;
}

.tab-btn {
  flex: 1;
  min-width: 100px;
  padding: 0.75rem 1rem;
  border: none;
  background: transparent;
  color: #4b5563;
  font-weight: 500;
  cursor: pointer;
  border-radius: 0.375rem;
  transition: all 0.3s ease;
  text-align: center;
  font-size: 0.9rem;
}

.tab-btn.active {
  background: white;
  color: #1f2937;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.pricing-table-wrapper {
  overflow-x: auto;
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  -webkit-overflow-scrolling: touch;
  position: relative;
}

.pricing-table-wrapper::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 30px;
  background: linear-gradient(to right, rgba(255, 255, 255, 0), rgba(241, 245, 249, 0.7));
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.pricing-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  min-width: 650px;
}

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

.pricing-table th {
  background: #f3f4f6;
  font-weight: 600;
  color: #1f2937;
  position: sticky;
  top: 0;
  z-index: 10;
}

.pricing-table th:nth-child(3) {
  text-align: center;
}

.pricing-table td:nth-child(3) {
  text-align: center;
  font-weight: 600;
  white-space: nowrap;
}

.pricing-table td:nth-child(4) {
  text-align: center;
}

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

.system-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.feature-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background: #eff6ff;
  color: #3b82f6;
  padding: 0.25rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.75rem;
}

.feature-tag i {
  font-size: 0.625rem;
  flex-shrink: 0;
}

/* 特点介绍 */
.features-section {
  padding: 4rem 0;
  background: white;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: white;
  border-radius: 0.5rem;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #e5e7eb;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background: #eff6ff;
  color: #3b82f6;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #1f2937;
}

.feature-description {
  color: #6b7280;
  flex-grow: 1;
}

/* 用户评价 */
.testimonials-section {
  padding: 4rem 0;
  background: #f1f5f9;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: white;
  border-radius: 0.5rem;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.testimonial-rating {
  color: #f59e0b;
  margin-bottom: 1rem;
}

.testimonial-content {
  color: #4b5563;
  margin-bottom: 1.5rem;
  font-style: italic;
  flex-grow: 1;
}

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

.author-avatar {
  width: 3rem;
  height: 3rem;
  border-radius: 9999px;
  background: linear-gradient(to right, #3b82f6, #8b5cf6);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.author-name {
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 0.25rem;
}

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

/* 常见问题 */
.faq-section {
  padding: 4rem 0;
  background: white;
}

.faq-accordion {
  max-width: 48rem;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid #e5e7eb;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
  cursor: pointer;
}

.faq-question h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: #1f2937;
  padding-right: 1rem;
}

.faq-question i {
  color: #6b7280;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

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

.faq-answer {
  padding: 0 0 1.5rem;
  color: #4b5563;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

/* 行动召唤 */
.cta-section {
  padding: 4rem 0;
  background: linear-gradient(to right, #3b82f6, #8b5cf6);
  color: white;
  text-align: center;
}

.cta-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-description {
  font-size: 1.125rem;
  max-width: 36rem;
  margin: 0 auto 2rem;
  color: rgba(255, 255, 255, 0.9);
}

/* 页脚 */
.footer {
  background: #1f2937;
  color: #e5e7eb;
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: white;
}

.footer-description {
  margin-bottom: 1.5rem;
  color: #9ca3af;
}

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

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 9999px;
  color: white;
  transition: background 0.3s ease;
}

.social-link:hover {
  background: rgba(255, 255, 255, 0.2);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: #9ca3af;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: white;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  color: #9ca3af;
}

.contact-info li:last-child {
  margin-top: 0.5rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #9ca3af;
  font-size: 0.875rem;
}

/* 客服按钮 */
.customer-service-left,
.customer-service-right {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
}

.customer-service-left {
  left: 0;
}

.customer-service-right {
  right: 0;
}

.cs-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem;
  border: none;
  cursor: pointer;
  color: white;
  border-radius: 0 0.5rem 0.5rem 0;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

#cs-button-left {
  background: linear-gradient(to bottom, #3b82f6, #2563eb);
  border-radius: 0 0.5rem 0.5rem 0;
}

#cs-button-right {
  background: linear-gradient(to bottom, #8b5cf6, #7c3aed);
  border-radius: 0.5rem 0 0 0.5rem;
}

.cs-button:hover {
  transform: translateX(5px);
}

#cs-button-right:hover {
  transform: translateX(-5px);
}

.cs-button i {
  font-size: 1.5rem;
}

/* 客服弹窗 */
.cs-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.cs-modal.active {
  display: flex;
}

.cs-modal-content {
  background: white;
  border-radius: 0.5rem;
  width: 90%;
  max-width: 400px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  max-height: 90vh;
  overflow-y: auto;
}

.cs-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 0;
  background: white;
  z-index: 1;
}

.cs-modal-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1f2937;
}

.cs-modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: #6b7280;
  cursor: pointer;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cs-modal-body {
  padding: 1.5rem;
}

.qr-code-container {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.qr-code {
  width: 200px;
  height: 200px;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  max-width: 100%;
  object-fit: contain;
}

.cs-info {
  text-align: center;
}

.cs-wechat {
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 0.5rem;
}

.cs-time {
  color: #6b7280;
  font-size: 0.875rem;
}

.cs-modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid #e5e7eb;
  position: sticky;
  bottom: 0;
  background: white;
  z-index: 1;
}

/* 增强可点击行的视觉反馈 */
.clickable-row {
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.clickable-row:hover {
  background-color: #f9fafb;
}

.system-select-btn {
  position: relative;
  z-index: 10;
}

/* 添加一个小提示，表明整行可点击 */
.clickable-row td:first-child .system-name::after {
  content: " 🔗";
  font-size: 0.8em;
  opacity: 0.5;
  vertical-align: super;
}

/* 增强表格行高度一致性 */
.pricing-table tr {
  height: 100%;
}

.pricing-table td {
  vertical-align: top;
}

/* 固定底部客服按钮（仅在移动设备上显示） */
.mobile-cs-button {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(to bottom right, #3b82f6, #8b5cf6);
  color: white;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  z-index: 90;
  border: none;
  cursor: pointer;
}

/* ================= 新增的响应式优化 ================= */
@media (max-width: 767px) {
    /* 增大触摸目标 */
    .btn, a, button {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* 调整导航栏高度 */
    .header .container {
        height: 60px;
    }
    
    /* 优化轮播高度 */
    .hero-slider {
        height: auto;
        min-height: 100vh;
    }
    
    /* 调整标题大小 */
    .title {
        font-size: 1.8rem;
        line-height: 1.3;
    }
    
    /* 表格优化 */
    .pricing-table-wrapper {
        border: 1px solid #eee;
    }
    
    .pricing-table th, 
    .pricing-table td {
        padding: 12px 8px;
        font-size: 14px;
    }
    
    /* 特征卡片调整为单列 */
    .features-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    /* 调整页脚布局 */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    /* 隐藏桌面客服按钮 */
    .customer-service-left,
    .customer-service-right {
        display: none;
    }
    
    /* 显示移动客服按钮 */
    .mobile-cs-button {
        display: flex;
    }
    
    /* 轮播控制点调整 */
    .slider-dot {
        width: 12px;
        height: 12px;
    }
    
    .slider-dot.active {
        width: 24px;
    }
}

/* 平板优化 */
@media (min-width: 768px) and (max-width: 1023px) {
    .features-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-slider {
        height: 500px;
    }
    
    .title {
        font-size: 2.2rem;
    }
}

/* 触摸反馈 */
.touch-friendly button, 
.touch-friendly a, 
.touch-friendly .clickable-row {
    transition: transform 0.1s, opacity 0.1s;
}

.touch-friendly button:active, 
.touch-friendly a:active, 
.touch-friendly .clickable-row:active {
    transform: scale(0.98);
    opacity: 0.9;
}

/* 防止移动端输入框缩放 */
input, select, textarea {
    font-size: 16px;
}

/* 移动端表格提示 */
.mobile-scroll-hint {
    text-align: center;
    padding: 10px;
    color: #666;
    font-size: 14px;
    background: #f5f5f5;
    border-radius: 4px;
    margin-bottom: 10px;
}

/* 响应式设计 - 大屏幕 */
@media (min-width: 1280px) {
    .container {
        padding: 0 2rem;
    }

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

    .hero-slider {
        height: 650px;
    }

    .title {
        font-size: 3rem;
    }

    .description {
        font-size: 1.5rem;
    }
}

/* 响应式设计 - 小平板和大手机 */
@media (max-width: 1024px) {
    .features-grid,
    .testimonials-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1.5rem;
    }

    .tab-btn {
        font-size: 0.85rem;
        padding: 0.6rem 0.8rem;
    }

    .hero-slider {
        height: 550px;
    }

    .title {
        font-size: 2.25rem;
    }

    .description {
        font-size: 1.125rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .pricing-table-wrapper::after {
        opacity: 1;
    }
}

/* 响应式设计 - 手机 */
@media (max-width: 576px) {
    .hero-slider {
        min-height: 550px;
    }

    .title {
        font-size: 1.75rem;
    }

    .cta-title {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .subtitle {
        font-size: 0.8rem;
        padding: 0.2rem 0.8rem;
    }

    .system-title {
        font-size: 1.1rem;
    }

    .feature-title {
        font-size: 1.1rem;
    }

    .faq-question h3 {
        font-size: 1rem;
    }

    .pricing-table th,
    .pricing-table td {
        padding: 0.75rem 0.5rem;
        font-size: 0.9rem;
    }

    .system-features {
        margin-top: 0.3rem;
    }

    .feature-tag {
        font-size: 0.7rem;
        padding: 0.2rem 0.4rem;
    }

    .footer-title {
        font-size: 1.1rem;
    }

    .footer-description,
    .contact-info,
    .footer-links {
        font-size: 0.9rem;
    }
}

/* 响应式设计 - 小手机 */
@media (max-width: 480px) {
    .hero-slider {
        min-height: 600px;
    }

    .slide-content {
        padding: 2.5rem 0;
    }

    .title {
        font-size: 1.5rem;
    }

    .description {
        font-size: 0.9rem;
    }

    .btn-lg {
        padding: 0.6rem 1.2rem;
        font-size: 1rem;
    }

    .highlight-item {
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
    }

    .section-header {
        margin-bottom: 2rem;
    }

    .section-title {
        font-size: 1.3rem;
    }

    .section-description {
        font-size: 0.9rem;
    }

    .pricing-table {
        min-width: 450px;
    }

    .pricing-table th,
    .pricing-table td {
        padding: 0.6rem 0.4rem;
        font-size: 0.8rem;
    }

    .system-name {
        font-size: 0.9rem;
    }

    .feature-tag {
        font-size: 0.65rem;
        padding: 0.15rem 0.3rem;
    }

    .btn-sm {
        padding: 0.2rem 0.5rem;
        font-size: 0.8rem;
    }

    .cs-modal-content {
        width: 95%;
    }

    .qr-code {
        width: 180px;
        height: 180px;
    }

    .cs-modal-header h3 {
        font-size: 1.1rem;
    }

    .cs-wechat {
        font-size: 0.9rem;
    }

    .cs-time {
        font-size: 0.8rem;
    }
}

/* 响应式设计 - 超小手机 */
@media (max-width: 360px) {
    .pricing-table {
        min-width: 400px;
    }

    .pricing-table th,
    .pricing-table td {
        padding: 0.5rem 0.3rem;
        font-size: 0.75rem;
    }

    .system-name {
        font-size: 0.85rem;
    }

    .feature-tag {
        font-size: 0.6rem;
        padding: 0.1rem 0.25rem;
    }

    .btn-sm {
        padding: 0.15rem 0.4rem;
        font-size: 0.75rem;
    }

    .hero-slider {
        min-height: 650px;
    }

    .title {
        font-size: 1.3rem;
    }

    .description {
        font-size: 0.85rem;
    }
}

/* 打印样式 */
@media print {
    .header,
    .footer,
    .customer-service-left,
    .customer-service-right,
    .mobile-cs-button,
    .cta-section {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .container {
        width: 100%;
        max-width: none;
        padding: 0;
    }

    .pricing-table-wrapper {
        overflow: visible;
        box-shadow: none;
    }

    .pricing-table {
        border: 1px solid #ddd;
    }

    .feature-card,
    .testimonial-card,
    .system-card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}