/* ========================================
   安全鉴定检测中心 - 全局样式
   ======================================== */

/* CSS变量 */
:root {
  --color-primary: #3b82f6;
  --color-primary-dark: #1e3a8a;
  --color-primary-light: #60a5fa;
  --color-orange: #f97316;
  --color-orange-dark: #ea580c;
  --color-green: #10b981;
  --color-red: #ef4444;

  --color-slate-900: #0f172a;
  --color-slate-800: #1e293b;
  --color-slate-700: #334155;
  --color-slate-600: #475569;
  --color-slate-500: #64748b;
  --color-slate-400: #94a3b8;
  --color-slate-300: #cbd5e1;
  --color-slate-200: #e2e8f0;
  --color-slate-100: #f1f5f9;
  --color-slate-50: #f8fafc;

  --color-white: #ffffff;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  --radius-sm: 0.375rem;
  --radius: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;

  --transition-fast: 150ms ease;
  --transition: 300ms ease;
  --transition-slow: 500ms ease;
}

/* 重置样式 */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-slate-700);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input,
textarea {
  font-family: inherit;
}

/* 容器 */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* 资质展示部分样式 */
.qualifications-detail {
  padding: 6rem 0;
  background-color: var(--color-slate-50);
}

.qualifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.qualification-card {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.qualification-icon {
  width: 60px;
  height: 60px;
  background-color: var(--color-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--color-white);
}

.qualification-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-slate-800);
  margin-bottom: 1rem;
}

.qualification-description {
  color: var(--color-slate-600);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.qualification-features ul {
  list-style: disc;
  padding-left: 1.5rem;
  color: var(--color-slate-600);
}

.qualification-features li {
  margin-bottom: 0.5rem;
}

.qualifications-note {
  text-align: center;
  margin-top: 3rem;
  color: var(--color-slate-500);
  font-size: 0.875rem;
}

.qualifications-wall {
  margin-top: 4rem;
}

.qualifications-wall-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.qualification-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.qualification-item-icon {
  width: 40px;
  height: 40px;
  background-color: var(--color-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  flex-shrink: 0;
}

.qualification-item-content h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-slate-800);
  margin-bottom: 0.5rem;
}

.qualification-item-content p {
  color: var(--color-slate-600);
  font-size: 0.875rem;
  line-height: 1.5;
}

/* 加盟合作部分样式 */
.franchise {
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.franchise-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  z-index: -1;
}

.franchise-advantages {
  margin-top: 3rem;
}

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

.advantage-item {
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: transform var(--transition), background-color var(--transition);
}

.advantage-item:hover {
  transform: translateY(-5px);
  background-color: rgba(255, 255, 255, 0.15);
}

.advantage-icon {
  width: 60px;
  height: 60px;
  background-color: var(--color-orange);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--color-white);
}

.advantage-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 1rem;
}

.advantage-description {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

.franchise-conditions {
  margin-top: 4rem;
}

.conditions-list {
  margin-top: 2rem;
  position: relative;
}

.conditions-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
  padding: 1.25rem;
  background-color: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.conditions-list li::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: var(--color-green);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform var(--transition);
}

.conditions-list li:hover {
  transform: translateY(-5px);
  background-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2);
}

.conditions-list li:hover::before {
  transform: scaleY(1);
}

.conditions-list svg {
  color: var(--color-green);
  flex-shrink: 0;
  margin-top: 0.25rem;
  width: 24px;
  height: 24px;
  transition: transform var(--transition);
}

.conditions-list li:hover svg {
  transform: scale(1.1);
}

.franchise-process {
  margin-top: 4rem;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
  position: relative;
}

/* 流程连接线 - 仅在桌面端显示 */
@media (min-width: 1024px) {
  .process-steps::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-orange), transparent);
    z-index: 1;
  }
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 2;
  transition: all var(--transition);
}

.process-step:hover {
  transform: translateY(-10px);
}

.process-step-circle {
  width: 70px;
  height: 70px;
  background-color: var(--color-orange);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--color-white);
  font-weight: 700;
  font-size: 1.25rem;
  box-shadow: 0 10px 25px -5px rgba(249, 115, 22, 0.4);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.process-step-circle::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}

.process-step:hover .process-step-circle::before {
  left: 100%;
}

.process-step:hover .process-step-circle {
  transform: scale(1.1);
  box-shadow: 0 15px 30px -5px rgba(249, 115, 22, 0.6);
}

.process-step-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 1rem;
  transition: color var(--transition);
}

.process-step:hover .process-step-title {
  color: var(--color-orange);
}

.process-step-description {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  font-size: 0.875rem;
  background-color: rgba(255, 255, 255, 0.05);
  padding: 1rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition);
}

.process-step:hover .process-step-description {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--color-orange);
}

/* 响应式调整 */
@media (max-width: 768px) {
  .conditions-list li {
    padding: 1rem;
  }

  .process-steps {
    gap: 1.5rem;
  }

  .process-step-circle {
    width: 60px;
    height: 60px;
    font-size: 1.125rem;
  }

  .process-step-description {
    padding: 0.75rem;
  }
}

.franchise-consultation {
  margin-top: 4rem;
  text-align: center;
}

.consultation-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
  flex-wrap: wrap;
}

/* 成功案例样式 */
.franchise-cases {
  padding: 6rem 0;
  background-color: var(--color-white);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.case-card {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.case-card-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.case-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.case-card:hover .case-card-image img {
  transform: scale(1.1);
}

.case-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
}

.case-card-body {
  padding: 1.5rem;
}

.case-card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-slate-800);
  margin-bottom: 0.75rem;
}

.case-card-description {
  color: var(--color-slate-600);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.case-card-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--color-slate-500);
}

/* 咨询表单样式 */
.consultation {
  padding: 6rem 0;
  background-color: var(--color-slate-50);
}

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

.consultation-form {
  background-color: var(--color-white);
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--color-slate-300);
  border-radius: var(--radius);
  font-size: 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

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

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

.consultation-highlights {
  margin-top: 2rem;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  color: var(--color-slate-700);
}

.highlight-item svg {
  color: var(--color-green);
  flex-shrink: 0;
}

/* 常见问题样式 */
.faq {
  padding: 6rem 0;
  background-color: var(--color-white);
}

.faq-content {
  margin-top: 3rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.faq-item {
  margin-bottom: 1rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  background-color: var(--color-slate-50);
  cursor: pointer;
  transition: background-color var(--transition);
}

.faq-question:hover {
  background-color: var(--color-slate-100);
}

.faq-question h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-slate-800);
}

.faq-question svg {
  transition: transform var(--transition);
}

.faq-question svg.rotate {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
  background-color: var(--color-white);
}

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

.faq-answer p {
  color: var(--color-slate-600);
  line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 768px) {

  .qualifications-detail,
  .franchise,
  .franchise-cases,
  .consultation,
  .faq {
    padding: 4rem 0;
  }

  .qualifications-grid,
  .qualifications-wall-grid,
  .franchise-advantages-grid,
  .process-steps,
  .cases-grid {
    grid-template-columns: 1fr;
  }

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

  .consultation-form {
    padding: 1.5rem;
  }

  .consultation-buttons {
    flex-direction: column;
  }

  .qualification-card,
  .advantage-item {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }

  .qualifications-detail,
  .franchise,
  .franchise-cases,
  .consultation,
  .faq {
    padding: 3rem 0;
  }

  .qualification-card,
  .advantage-item {
    padding: 1.25rem;
  }

  .consultation-form {
    padding: 1.25rem;
  }
}

@media (min-width: 640px) {
  .container {
    padding: 0 2rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 3rem;
  }
}

/* ========================================
   按钮样式
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.btn svg {
  flex-shrink: 0;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-orange {
  background-color: var(--color-orange);
  color: var(--color-white);
}

.btn-orange:hover {
  background-color: var(--color-orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -5px rgba(249, 115, 22, 0.4);
}

.btn-outline {
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: var(--color-white);
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

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

.btn-cta {
  background-color: var(--color-orange);
  color: var(--color-white);
}

.btn-cta:hover {
  background-color: var(--color-orange-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ========================================
   导航栏
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 80px;
  transition: all var(--transition);
}

.navbar.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: 1rem;
}

/* 城市选择器 */
.city-selector {
  position: relative;
  margin-right: 1rem;
}

.city-selector-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background-color: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.navbar.scrolled .city-selector-btn {
  border-color: var(--color-slate-200);
  background-color: var(--color-white);
  color: var(--color-slate-700);
}

.city-selector-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.navbar.scrolled .city-selector-btn:hover {
  background-color: var(--color-slate-50);
}

.city-selector-arrow {
  transition: transform var(--transition-fast);
}

.city-selector-btn.active .city-selector-arrow {
  transform: rotate(180deg);
}

.city-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 0.5rem;
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 300px;
  max-height: 400px;
  overflow-y: auto;
  z-index: 1001;
  display: none;
}

.city-dropdown.active {
  display: block;
  animation: dropdownSlideIn 0.3s ease-out;
}

@keyframes dropdownSlideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.city-dropdown-header {
  padding: 1rem;
  border-bottom: 1px solid var(--color-slate-100);
}

.city-dropdown-header h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 0.75rem;
}

.city-search input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.city-search input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.city-groups {
  padding: 0.5rem;
}

.city-group {
  margin-bottom: 1rem;
}

.city-group h5 {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-slate-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  padding: 0 0.5rem;
}

.city-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.city-list a {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  color: var(--color-slate-700);
  background-color: var(--color-slate-50);
  transition: all var(--transition-fast);
}

.city-list a:hover,
.city-list a.active {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* 响应式城市选择器 */
@media (max-width: 768px) {
  .city-selector {
    margin-right: 0.5rem;
  }

  .city-selector-btn {
    padding: 0.375rem 0.5rem;
    font-size: 0.75rem;
  }

  .city-selector-btn svg {
    width: 14px;
    height: 14px;
  }

  .city-dropdown {
    width: 250px;
    right: 0;
    left: auto;
  }
}

@media (max-width: 640px) {
  .city-selector {
    display: none;
  }

  /* 移动端菜单中添加城市选择 */
  .mobile-menu .city-selector {
    display: block;
    margin: 0 1.5rem 1rem;
  }

  .mobile-menu .city-selector-btn {
    width: 100%;
    justify-content: space-between;
  }
}

@media (min-width: 641px) {
  .mobile-menu .city-selector {
    display: none;
  }
}

/* ========================================
   响应式布局优化
   ======================================== */

/* 移动端导航栏优化 */
@media (max-width: 640px) {
  .navbar-inner {
    gap: 0.5rem;
    flex-wrap: nowrap;
    align-items: center;
  }

  .logo {
    flex-shrink: 1;
    min-width: 0;
  }

  .logo-text {
    flex-shrink: 1;
  }

  .logo-title {
    font-size: 0.875rem;
  }

  .logo-subtitle {
    font-size: 0.5rem;
  }

  .btn-cta {
    padding: 0.625rem 0.875rem;
    font-size: 0.75rem;
    white-space: nowrap;
    flex-shrink: 0;
    min-width: auto;
  }

  .btn-cta svg {
    width: 14px;
    height: 14px;
  }

  /* 优化移动端菜单中的按钮 */
  .mobile-menu .btn {
    margin: 1rem 1.5rem;
    width: calc(100% - 3rem);
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    background-color: var(--color-orange);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
  }

  .mobile-menu .btn:hover {
    background-color: var(--color-orange-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
  }
}

/* 小屏幕手机优化 */
@media (max-width: 375px) {
  .btn-cta {
    padding: 0.5rem 0.75rem;
    font-size: 0.625rem;
  }

  .btn-cta svg {
    width: 12px;
    height: 12px;
  }

  .logo-title {
    font-size: 0.75rem;
  }
}

/* 横屏手机优化 */
@media (max-height: 480px) and (orientation: landscape) {
  .btn-cta {
    padding: 0.5rem 0.875rem;
    font-size: 0.75rem;
  }

  .mobile-menu .btn {
    margin: 0.75rem 1.5rem;
    padding: 0.625rem 1.125rem;
  }
}

/* Hero区域响应式优化 */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-description {
    font-size: 1rem;
  }

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

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

/* 服务项目响应式优化 */
@media (max-width: 640px) {
  .services-grid {
    gap: 1.5rem;
  }

  .service-card-body {
    padding: 1.25rem;
  }

  .service-card-title {
    font-size: 1.125rem;
  }
}

/* 关于我们响应式优化 */
@media (max-width: 1024px) {
  .about-grid {
    gap: 2rem;
  }

  .experience-badge {
    padding: 1rem;
  }

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

/* 资质认证响应式优化 */
@media (max-width: 640px) {
  .qualifications-grid {
    gap: 1rem;
  }

  .qualification-card {
    padding: 1.25rem;
  }

  .qualification-title {
    font-size: 1.125rem;
  }
}

/* 案例展示响应式优化 */
@media (max-width: 640px) {
  .cases-grid {
    gap: 1.5rem;
  }

  .case-card-body {
    padding: 1.25rem;
  }

  .case-card-title {
    font-size: 1.125rem;
  }
}

/* 客户评价响应式优化 */
@media (max-width: 640px) {
  .testimonials-grid {
    gap: 1.5rem;
  }

  .testimonial-card {
    padding: 1.5rem 1.25rem 1.25rem;
  }
}

/* 联系我们响应式优化 */
@media (max-width: 640px) {
  .contact-info-item {
    padding: 1rem;
  }

  .contact-form-wrapper {
    padding: 1.5rem;
  }

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

/* 页脚响应式优化 */
@media (max-width: 640px) {
  .footer-grid {
    gap: 2rem;
    padding: 3rem 0;
  }

  .footer-bottom {
    padding: 1.25rem 0;
  }

  .footer-bottom .container {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }

  .footer-bottom-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* 通用响应式文本优化 */
@media (max-width: 640px) {
  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  p {
    font-size: 0.875rem;
  }
}

/* 图片响应式优化 */
img {
  max-width: 100%;
  height: auto;
}

/* 确保所有容器在移动设备上有适当的内边距 */
@media (max-width: 640px) {
  .container {
    padding: 0 1rem;
  }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
  .btn {
    padding: 0.875rem 1.75rem;
  }

  .service-card,
  .case-card,
  .testimonial-card {
    touch-action: manipulation;
  }

  .city-selector-btn {
    touch-action: manipulation;
  }
}

/* 横屏移动设备优化 */
@media (max-height: 500px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding: 6rem 0;
  }

  .navbar-inner {
    height: 70px;
  }

  .navbar {
    height: 70px;
  }
}

/* 高DPI设备优化 */
@media (-webkit-device-pixel-ratio: 2),
(device-pixel-ratio: 2) {
  .logo-icon {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  }

  .btn {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  }
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
/*  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));*/
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.2;
}

.navbar.scrolled .logo-title {
  color: var(--color-slate-900);
}

.logo-subtitle {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
}

.navbar.scrolled .logo-subtitle {
  color: var(--color-slate-500);
}

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

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  position: relative;
  transition: color var(--transition-fast);
}

.navbar.scrolled .nav-links a {
  color: var(--color-slate-700);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-fast);
}

.nav-links a:hover {
  color: var(--color-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-white);
  border-radius: var(--radius);
  transition: all var(--transition-fast);
}

.navbar.scrolled .mobile-menu-btn {
  color: var(--color-slate-700);
}

.mobile-menu-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.navbar.scrolled .mobile-menu-btn:hover {
  background-color: var(--color-slate-100);
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 80px;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  box-shadow: var(--shadow-lg);
  padding: 1rem 0;
}

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

.mobile-menu a {
  display: block;
  padding: 0.75rem 1.5rem;
  color: var(--color-slate-700);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.mobile-menu a:hover {
  background-color: var(--color-slate-50);
  color: var(--color-primary);
}

.mobile-menu .btn {
  margin: 1rem 1.5rem 0;
  width: calc(100% - 3rem);
}

@media (min-width: 1024px) {
  .nav-links {
    display: flex;
  }

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

  .mobile-menu {
    display: none !important;
  }
}

/* ========================================
   Hero区域
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
}

.hero-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.1;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.4'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-decoration {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.2;
}

.hero-decoration-1 {
  width: 400px;
  height: 400px;
  background-color: var(--color-primary);
  top: 10%;
  right: 10%;
  animation: pulse 4s ease-in-out infinite;
}

.hero-decoration-2 {
  width: 500px;
  height: 500px;
  background-color: var(--color-primary-light);
  bottom: 10%;
  left: 5%;
  animation: pulse 4s ease-in-out infinite;
  animation-delay: 2s;
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
    opacity: 0.2;
  }

  50% {
    transform: scale(1.1);
    opacity: 0.3;
  }
}

.hero-grid {
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  padding: 4rem 0;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
}

.hero-content {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 9999px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.hero-badge svg {
  color: var(--color-orange);
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
  .hero-title {
    font-size: 3rem;
  }
}

@media (min-width: 1024px) {
  .hero-title {
    font-size: 3.5rem;
  }
}

.text-blue-300 {
  color: #93c5fd;
}

.hero-description {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
}

.trust-item svg {
  color: var(--color-green);
}

.hero-image {
  position: relative;
  display: none;
}

@media (min-width: 1024px) {
  .hero-image {
    display: block;
  }
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(30, 58, 138, 0.3);
}

.hero-image-wrapper img {
  width: 100%;
  height: auto;
}

.hero-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(30, 58, 138, 0.3), transparent);
}

.floating-card {
  position: absolute;
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: var(--shadow-xl);
}

.floating-card-1 {
  bottom: -1.5rem;
  left: -1.5rem;
}

.floating-card-2 {
  top: -1rem;
  right: -1rem;
}

.floating-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.floating-card-icon.green {
  background-color: #d1fae5;
  color: var(--color-green);
}

.floating-card-icon.blue {
  background-color: #dbeafe;
  color: var(--color-primary);
}

.floating-card-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-slate-900);
  line-height: 1;
}

.floating-card-text {
  font-size: 0.875rem;
  color: var(--color-slate-500);
}

.hero-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  line-height: 0;
}

.hero-wave svg {
  width: 100%;
  height: auto;
}

/* ========================================
   数据统计
   ======================================== */
.stats {
  padding: 4rem 0;
  background-color: var(--color-white);
}

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

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
  }
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

@media (min-width: 640px) {
  .stat-number {
    font-size: 3rem;
  }
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-slate-600);
  font-weight: 500;
}

/* ========================================
   通用区块标题
   ======================================== */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-badge {
  display: inline-block;
  padding: 0.375rem 1rem;
  background-color: #dbeafe;
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 9999px;
  margin-bottom: 1rem;
}

.section-badge.light {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 1rem;
}

.section-title.light {
  color: var(--color-white);
}

@media (min-width: 640px) {
  .section-title {
    font-size: 2.5rem;
  }
}

.section-description {
  font-size: 1.125rem;
  color: var(--color-slate-600);
  max-width: 1000px;
  margin: 0 auto;
}

.section-description.light {
  color: rgba(255, 255, 255, 0.8);
}

/* ========================================
   服务项目
   ======================================== */
.services {
  padding: 6rem 0;
  background-color: var(--color-slate-100);
}

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

@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.service-card {
  background-color: var(--color-white);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.service-card-header {
  height: 100px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.service-card-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-color: rgba(255, 255, 255, 0.1);
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover .service-card-header::before {
  opacity: 1;
}

.service-card-header svg {
  color: var(--color-white);
  position: relative;
  z-index: 1;
  transition: transform var(--transition);
}

.service-card:hover .service-card-header svg {
  transform: scale(1.1);
}

.service-card-body {
  padding: 1.5rem;
}

.service-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 0.75rem;
  transition: color var(--transition-fast);
}

.service-card:hover .service-card-title {
  color: var(--color-primary);
}

.service-card-description {
  font-size: 0.875rem;
  color: var(--color-slate-600);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.service-card-features {
  margin-bottom: 1.25rem;
}

.service-card-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-slate-500);
  margin-bottom: 0.5rem;
}

.service-card-features li span {
  width: 6px;
  height: 6px;
  background-color: var(--color-primary);
  border-radius: 50%;
  flex-shrink: 0;
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

.service-card-link:hover {
  color: var(--color-primary-dark);
}

.service-card-link svg {
  transition: transform var(--transition-fast);
}

.service-card-link:hover svg {
  transform: translateX(4px);
}

/* ========================================
   关于我们
   ======================================== */
.about {
  padding: 6rem 0;
  background-color: var(--color-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
}

.about-image {
  position: relative;
}

.about-image-wrapper {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-image-wrapper img {
  width: 100%;
  height: auto;
}

.about-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top right, rgba(30, 58, 138, 0.2), transparent);
}

.experience-badge {
  position: absolute;
  bottom: -1.5rem;
  right: -1rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-xl);
}

@media (max-width: 640px) {
  .experience-badge {
    right: 0;
    padding: 1rem;
  }
}

.experience-number {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
}

.experience-text {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 0.25rem;
}

.about-decoration {
  position: absolute;
  border-radius: 50%;
  z-index: -1;
}

.about-decoration-1 {
  width: 100px;
  height: 100px;
  background-color: #dbeafe;
  top: -1rem;
  left: -1rem;
}

.about-decoration-2 {
  width: 60px;
  height: 60px;
  background-color: #ffedd5;
  bottom: -0.5rem;
  right: 5rem;
}

.about-content .section-title {
  margin-top: 0.5rem;
}

.about-text {
  color: var(--color-slate-600);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

@media (min-width: 640px) {
  .about-features {
    grid-template-columns: repeat(2, 1fr);
  }
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background-color: var(--color-slate-50);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-slate-700);
  transition: all var(--transition-fast);
}

.about-feature:hover {
  background-color: #dbeafe;
}

.about-feature-icon {
  width: 40px;
  height: 40px;
  background-color: #dbeafe;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* ========================================
   资质认证
   ======================================== */
.qualifications {
  position: relative;
  padding: 6rem 0;
  overflow: hidden;
}

.qualifications-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
}

.qualifications-decoration {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.2;
}

.qualifications-decoration-1 {
  width: 400px;
  height: 400px;
  background-color: var(--color-primary);
  top: 0;
  right: 0;
  transform: translate(30%, -30%);
}

.qualifications-decoration-2 {
  width: 300px;
  height: 300px;
  background-color: var(--color-primary-light);
  bottom: 0;
  left: 0;
  transform: translate(-30%, 30%);
}

.qualifications .container {
  position: relative;
  z-index: 1;
}

.qualifications-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .qualifications-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .qualifications-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.qualification-card {
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-2xl);
  padding: 1.5rem;
  text-align: center;
  transition: all var(--transition);
}

.qualification-card:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.qualification-icon {
  width: 64px;
  height: 64px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: var(--color-white);
  transition: transform var(--transition);
}

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

.qualification-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.qualification-description {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

.qualifications-note {
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
  margin-top: 3rem;
}

/* ========================================
   服务流程
   ======================================== */
.process {
  padding: 6rem 0;
  background-color: var(--color-white);
}

.process-desktop {
  display: none;
}

@media (min-width: 1024px) {
  .process-desktop {
    display: block;
  }

  .process-mobile {
    display: none;
  }
}

.process-line {
  position: relative;
  height: 4px;
  background-color: var(--color-slate-200);
  border-radius: 2px;
  margin-bottom: 3rem;
}

.process-line-progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: width 1s ease-out;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.process-step {
  text-align: center;
}

.process-step-circle {
  position: relative;
  width: 80px;
  height: 80px;
  background-color: var(--color-slate-200);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--color-slate-400);
  transition: all var(--transition);
}

.process-step.active .process-step-circle {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 10px 25px -5px rgba(59, 130, 246, 0.4);
}

.process-step-number {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 32px;
  height: 32px;
  background-color: var(--color-orange);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-white);
}

.process-step-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 0.5rem;
}

.process-step-description {
  font-size: 0.875rem;
  color: var(--color-slate-600);
  line-height: 1.6;
}

/* Mobile Process */
.process-mobile {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (min-width: 1024px) {
  .process-mobile {
    display: none;
  }
}

.process-step-mobile {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.process-step-mobile .process-step-circle {
  width: 64px;
  height: 64px;
  flex-shrink: 0;
  margin: 0;
}

.process-step-mobile .process-step-circle svg {
  width: 24px;
  height: 24px;
}

.process-step-content {
  flex: 1;
  padding-top: 0.5rem;
}

/* ========================================
   案例展示
   ======================================== */
.cases {
  padding: 6rem 0;
  background-color: var(--color-slate-100);
}

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

@media (min-width: 640px) {
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.case-card {
  background-color: var(--color-white);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.case-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.case-card-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.case-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.case-card:hover .case-card-image img {
  transform: scale(1.1);
}

.case-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.6), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.case-card:hover .case-card-overlay {
  opacity: 1;
}

.case-card-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(4px);
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-slate-700);
}

.case-card-badge svg {
  color: var(--color-primary);
}

.case-card-body {
  padding: 1.5rem;
}

.case-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 0.5rem;
  transition: color var(--transition-fast);
}

.case-card:hover .case-card-title {
  color: var(--color-primary);
}

.case-card-description {
  font-size: 0.875rem;
  color: var(--color-slate-600);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.case-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

.case-card-link:hover {
  color: var(--color-primary-dark);
}

.case-card-link svg {
  transition: transform var(--transition-fast);
}

.case-card-link:hover svg {
  transform: translateX(4px);
}

/* ========================================
   客户评价
   ======================================== */
.testimonials {
  padding: 6rem 0;
  background-color: var(--color-white);
}

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

@media (min-width: 640px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.testimonial-card {
  position: relative;
  background-color: var(--color-slate-50);
  border: 1px solid var(--color-slate-100);
  border-radius: var(--radius-2xl);
  padding: 2rem 1.5rem 1.5rem;
  transition: all var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.testimonial-quote {
  position: absolute;
  top: -1rem;
  left: 1.5rem;
  width: 32px;
  height: 32px;
  background-color: var(--color-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  box-shadow: var(--shadow);
}

.testimonial-rating {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
  padding-top: 0.5rem;
}

.testimonial-rating svg {
  color: var(--color-orange);
}

.testimonial-content {
  font-size: 0.9375rem;
  color: var(--color-slate-700);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-slate-200);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  background-color: #dbeafe;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
}

.testimonial-name {
  font-weight: 700;
  color: var(--color-slate-900);
}

.testimonial-role {
  font-size: 0.875rem;
  color: var(--color-slate-500);
}

/* ========================================
   联系我们
   ======================================== */
.contact {
  position: relative;
  padding: 6rem 0;
  overflow: hidden;
}

.contact-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
}

.contact-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.contact-decoration {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.2;
}

.contact-decoration-1 {
  width: 400px;
  height: 400px;
  background-color: var(--color-primary);
  top: 0;
  right: 0;
  transform: translate(30%, -30%);
}

.contact-decoration-2 {
  width: 300px;
  height: 300px;
  background-color: var(--color-primary-light);
  bottom: 0;
  left: 0;
  transform: translate(-30%, 30%);
}

.contact .container {
  position: relative;
  z-index: 1;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: 2fr 3fr;
    gap: 4rem;
  }
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  background-color: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  transition: all var(--transition-fast);
}

.contact-info-item:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  background-color: rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #93c5fd;
  flex-shrink: 0;
}

.contact-info-content h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 0.25rem;
}

.contact-info-main {
  font-size: 1rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
}

.contact-info-sub {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

.contact-form-wrapper {
  background-color: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: 2rem;
  box-shadow: var(--shadow-xl);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-slate-700);
}

.form-group .required {
  color: var(--color-red);
}

.form-group input,
.form-group textarea {
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-lg);
  font-size: 0.9375rem;
  color: var(--color-slate-700);
  background-color: var(--color-white);
  transition: all var(--transition-fast);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-slate-400);
}

.form-group textarea {
  resize: none;
  min-height: 120px;
}

.btn-submit {
  width: 100%;
  padding: 1rem;
  font-size: 1rem;
}

.form-note {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-slate-500);
}

.contact-success {
  text-align: center;
  padding: 3rem 1rem;
}

.success-icon {
  width: 64px;
  height: 64px;
  background-color: #d1fae5;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: var(--color-green);
}

.contact-success h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 0.5rem;
}

.contact-success p {
  color: var(--color-slate-600);
}

/* ========================================
   页脚
   ======================================== */
.footer {
  background-color: var(--color-slate-900);
  color: var(--color-slate-400);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  padding: 4rem 0;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
  }
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-logo .logo-icon {
  width: 40px;
  height: 40px;
}

.footer-logo span {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-white);
}

.footer-description {
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  width: 40px;
  height: 40px;
  background-color: var(--color-slate-800);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-slate-400);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.footer-links h3,
.footer-contact h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 1rem;
}

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

.footer-links a {
  font-size: 0.875rem;
  color: var(--color-slate-400);
  transition: color var(--transition-fast);
}

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

.footer-contact ul {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.footer-contact svg {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.footer-contact p {
  color: var(--color-white);
  font-size: 0.875rem;
}

.footer-contact small {
  color: var(--color-slate-500);
  font-size: 0.75rem;
}

.footer-bottom {
  border-top: 1px solid var(--color-slate-800);
  padding: 1.5rem 0;
}

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

@media (min-width: 640px) {
  .footer-bottom .container {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-bottom p {
  font-size: 0.875rem;
  color: var(--color-slate-500);
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a {
  font-size: 0.875rem;
  color: var(--color-slate-500);
  transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
  color: var(--color-white);
}

/* ========================================
   动画效果
   ======================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========================================
   案例页面特定样式
   ======================================== */

/* 案例页面Hero区域 */
.case-hero {
  position: relative;
  padding: 6rem 0;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  overflow: hidden;
}

.case-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.case-hero .section-header {
  position: relative;
  z-index: 1;
}

.case-hero .section-title {
  color: var(--color-white);
  font-size: 2.5rem;
}

.case-hero .section-description {
  color: rgba(255, 255, 255, 0.8);
  max-width: 800px;
}

.case-hero .section-badge {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

/* 案例分类筛选 */
.case-filter {
  padding: 2rem 0;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-slate-200);
}

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

.filter-btn {
  padding: 0.75rem 1.5rem;
  background-color: var(--color-slate-100);
  border: none;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-slate-700);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  background-color: #dbeafe;
  color: var(--color-primary);
}

.filter-btn.active {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* 案例列表页面 */
.case-list {
  padding: 4rem 0;
  background-color: var(--color-slate-50);
}

.case-list .cases-grid {
  margin-bottom: 3rem;
}

/* 分页功能 */
.pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 3rem;
}

.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-slate-700);
  transition: all var(--transition-fast);
}

.page-link:hover:not(.disabled) {
  background-color: #dbeafe;
  color: var(--color-primary);
}

.page-link.active {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.page-link.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 案例咨询区域 */
.case-consult {
  padding: 4rem 0;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  position: relative;
  overflow: hidden;
}

.case-consult::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.consult-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.consult-content h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 1rem;
}

.consult-content p {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2rem;
}

/* 响应式设计 */
@media (max-width: 640px) {
  .case-hero {
    padding: 4rem 0;
  }

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

  .case-filter {
    padding: 1.5rem 0;
  }

  .filter-buttons {
    gap: 0.5rem;
  }

  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
  }

  .case-list {
    padding: 2rem 0;
  }

  .case-consult {
    padding: 3rem 0;
  }

  .consult-content h2 {
    font-size: 1.5rem;
  }

  .consult-content p {
    font-size: 1rem;
  }

  .pagination {
    gap: 0.25rem;
  }

  .page-link {
    width: 32px;
    height: 32px;
    font-size: 0.75rem;
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* 回到顶部按钮 */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-fast);
  opacity: 0;
  visibility: hidden;
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* 减少动画 */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* 服务页面样式 */
.service-categories {
  padding: 2rem 0;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-slate-200);
}

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

.category-btn {
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--color-slate-200);
  background: white;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-weight: 600;
  color: var(--color-slate-700);
}

.category-btn.active,
.category-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: white;
}

/* 服务优势样式 */
.service-advantages {
  padding: 6rem 0;
  background-color: var(--color-slate-50);
}

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

@media (min-width: 640px) {
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .advantages-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.advantage-item {
  text-align: center;
  padding: 2rem;
  background-color: var(--color-white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.advantage-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.advantage-icon {
  width: 80px;
  height: 80px;
  background-color: #dbeafe;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--color-primary);
  transition: all var(--transition);
}

.advantage-item:hover .advantage-icon {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.advantage-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 1rem;
}

.advantage-description {
  color: var(--color-slate-600);
  line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 640px) {
  .service-categories {
    padding: 1.5rem 0;
  }

  .category-buttons {
    gap: 0.5rem;
  }

  .category-btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
  }

  .service-advantages {
    padding: 4rem 0;
  }

  .advantage-item {
    padding: 1.5rem;
  }

  .advantage-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 1rem;
  }

  .advantage-icon svg {
    width: 32px;
    height: 32px;
  }

  .advantage-title {
    font-size: 1.125rem;
  }
}

/* 页面通用样式 */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: white;
  padding: 120px 0 80px;
  text-align: center;
}

.page-hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

/* 新闻页面样式 */
.news-filters {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius);
  background: white;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

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

@media (min-width: 768px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.news-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}

.news-card:hover {
  transform: translateY(-5px);
}

.news-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.news-content {
  padding: 1.5rem;
}

.news-category {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--color-slate-100);
  color: var(--color-slate-600);
  border-radius: 9999px;
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}

.news-content h3 {
  margin-bottom: 0.75rem;
}

.news-content h3 a {
  color: var(--color-slate-900);
  text-decoration: none;
}

.news-content h3 a:hover {
  color: var(--color-primary);
}

.news-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--color-slate-500);
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 3rem;
}

/* 服务页面样式 */
.service-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
  justify-content: center;
}

.category-btn {
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--color-slate-200);
  background: white;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-weight: 600;
}

.category-btn.active,
.category-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: white;
}

/* 关于我们页面样式 */
.about-intro {
  padding: 6rem 0;
  background-color: var(--color-white);
}

.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .about-intro-grid {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
}

.about-intro-image {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-intro-image img {
  width: 100%;
  height: auto;
}

.about-intro-content .section-header {
  text-align: left;
  margin-bottom: 2rem;
}

.about-intro-content .section-header .section-badge {
  margin-bottom: 0.75rem;
}

.about-intro-content .section-header .section-title {
  margin-bottom: 0.75rem;
}

.about-intro-content .section-header .section-description {
  margin-left: 0;
  text-align: left;
  max-width: 100%;
}

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

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

@media (min-width: 640px) {
  .about-intro-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* 发展历程样式 */
.development-history {
  padding: 6rem 0;
  background-color: var(--color-slate-50);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--color-slate-200);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
}

.timeline-item:nth-child(odd) {
  padding-right: 50%;
  text-align: right;
}

.timeline-item:nth-child(even) {
  padding-left: 50%;
}

.timeline-year {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: 0.875rem;
  box-shadow: var(--shadow);
}

.timeline-content {
  padding: 1.5rem;
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.timeline-content:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.timeline-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 0.5rem;
}

.timeline-content p {
  color: var(--color-slate-600);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .timeline::before {
    left: 1rem;
  }

  .timeline-item:nth-child(odd),
  .timeline-item:nth-child(even) {
    padding-left: 4rem;
    padding-right: 0;
    text-align: left;
  }

  .timeline-year {
    left: 1rem;
    transform: none;
  }
}

/* 团队介绍样式 */
.team-intro {
  padding: 6rem 0;
  background-color: var(--color-white);
}

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

@media (min-width: 640px) {
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .team-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.team-member {
  text-align: center;
  padding: 1.5rem;
  background-color: var(--color-slate-50);
  border-radius: var(--radius-xl);
  transition: all var(--transition);
}

.team-member:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-100);
}

.team-member-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background-color: #dbeafe;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: var(--color-primary);
  box-shadow: var(--shadow);
}

.team-member-name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 0.25rem;
}

.team-member-title {
  font-size: 0.875rem;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.team-member-desc {
  font-size: 0.875rem;
  color: var(--color-slate-600);
  line-height: 1.6;
}

/* 企业文化样式 */
.corporate-culture {
  padding: 6rem 0;
  background-color: var(--color-slate-50);
}

.culture-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .culture-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .culture-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.culture-item {
  text-align: center;
  padding: 2rem;
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.culture-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.culture-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-color: #dbeafe;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: var(--color-primary);
  transition: all var(--transition);
}

.culture-item:hover .culture-icon {
  transform: scale(1.1);
  background-color: var(--color-primary);
  color: var(--color-white);
}

.culture-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 0.75rem;
}

.culture-desc {
  font-size: 0.875rem;
  color: var(--color-slate-600);
  line-height: 1.6;
}

/* 资质荣誉样式 */
.qualifications-honors {
  padding: 6rem 0;
  background-color: var(--color-white);
}

.qualifications-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .qualifications-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .qualifications-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.qualification-item {
  text-align: center;
  padding: 2rem;
  background-color: var(--color-slate-50);
  border-radius: var(--radius-xl);
  transition: all var(--transition);
  border: 1px solid var(--color-slate-100);
}

.qualification-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  background-color: var(--color-white);
}

.qualification-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  background-color: #dbeafe;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: var(--color-primary);
  transition: all var(--transition);
}

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

.qualification-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 0.5rem;
}

.qualification-desc {
  font-size: 0.875rem;
  color: var(--color-slate-600);
  line-height: 1.6;
}

/* 合作伙伴样式 */
.partners {
  padding: 6rem 0;
  background-color: var(--color-slate-50);
}

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

@media (min-width: 640px) {
  .partners-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1024px) {
  .partners-grid {
    grid-template-columns: repeat(8, 1fr);
  }
}

.partner-item {
  padding: 1.5rem;
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  border: 1px solid var(--color-slate-100);
}

.partner-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.partner-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-slate-700);
  text-align: center;
}

/* 导航栏当前页面样式 */
.nav-links a.active,
.mobile-menu a.active {
  color: var(--color-primary);
  font-weight: 600;
}

.nav-links a.active::after {
  width: 100%;
}

.navbar.scrolled .nav-links a.active {
  color: var(--color-primary);
}

.mobile-menu a.active {
  background-color: #dbeafe;
}