/* ============================================
   Layer 3: 组件继承 — Component
   
   定义可复用组件的外观模式。
   子元素通过 CSS 层级继承父级样式。
   ============================================ */

/* === 卡片组件 === */
.card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
}

.card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.card-glow:hover {
  box-shadow: var(--shadow-glow);
}

.card-flat {
  box-shadow: none;
  border: none;
  background: var(--color-bg-light);
}

.card-bordered {
  border: 1px solid var(--color-border);
  background: var(--color-bg-white);
}

/* 卡片图标容器 */
.card .icon-box {
  width: 48px;
  height: 48px;
  background: var(--color-bg-light);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  flex-shrink: 0;
}

.card .icon-box.large {
  width: 64px;
  height: 64px;
}

.card .icon-box.small {
  width: 32px;
  height: 32px;
}

.card .icon-box i,
.card .icon-box svg,
.card .icon-box img {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  width: 24px;
  height: 24px;
}

.card .icon-box.large i,
.card .icon-box.large svg,
.card .icon-box.large img {
  font-size: var(--font-size-2xl);
  width: 32px;
  height: 32px;
}

/* 卡片标题 */
.card .title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
  line-height: var(--line-height-tight);
}

.card .title-lg {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
}

/* 卡片描述 */
.card .desc {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
}

.card .desc-lg {
  font-size: var(--font-size-base);
}

/* === 按钮组件 === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  font-family: var(--font-family-base);
  line-height: var(--line-height-base);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

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

.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-bg-light);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-primary);
  border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
  background: var(--color-bg-light);
}

.btn-white {
  background: var(--color-bg-white);
  color: var(--color-primary);
  border-color: transparent;
  box-shadow: var(--shadow-sm);
}

.btn-white:hover:not(:disabled) {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-lg {
  padding: var(--space-lg) var(--space-xl);
  font-size: var(--font-size-lg);
  min-width: 200px;
}

.btn-xl {
  padding: var(--space-lg) var(--space-2xl);
  font-size: var(--font-size-xl);
  min-width: 240px;
}

.btn-sm {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
}

.btn-full {
  width: 100%;
}

.btn-icon {
  padding: var(--space-md);
  width: 40px;
  height: 40px;
}

.btn-icon.large {
  width: 48px;
  height: 48px;
  padding: var(--space-md);
}

/* === Tab 组件 === */
.tabs {
  display: flex;
  gap: var(--space-xs);
  background: var(--color-bg-light);
  padding: var(--space-xs);
  border-radius: var(--radius-lg);
  flex-wrap: wrap;
}

.tab-item {
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  color: var(--color-text-secondary);
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.tab-item:hover {
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.5);
}

.tab-item.active {
  background: var(--color-bg-white);
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  box-shadow: var(--shadow-sm);
}

/* === 表单组件 === */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.form-input {
  width: 100%;
  padding: var(--space-md);
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  color: var(--color-text-primary);
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-input:disabled {
  background: var(--color-bg-light);
  cursor: not-allowed;
}

.form-input.error {
  border-color: var(--color-error);
}

.form-input.error:focus {
  box-shadow: 0 0 0 3px rgba(245, 34, 45, 0.1);
}

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

/* === 导航组件 === */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-item:hover {
  color: var(--color-primary);
  background: var(--color-bg-light);
}

.nav-item.active {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.nav-link {
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* === Hero + GEO介绍 共用背景区域 === */
.hero-geo-section {
  position: relative;
  background-color: #fff;
  background-image: url('../images/hero-bg.webp');
  background-size: 100% auto;
  background-position: center top;
  background-repeat: no-repeat;
}

/* === Hero 区域 === */
.hero-section {
  position: relative;
  text-align: center;
  padding-top: 40px;
}

/* === GEO介绍内部容器 === */
.geo-intro-wrapper {
  position: relative;
  padding: 40px 0;
}

@media (min-width: 768px) {
  .geo-intro-wrapper {
    padding: 96px 0;
  }
}

/* === GEO服务类型模块 === */
.geo-services {
  padding: 40px 0;
}

@media (min-width: 768px) {
  .geo-services {
    padding: 96px 0;
  }
}

.geo-services__desktop {
  display: none;
}

@media (min-width: 768px) {
  .geo-services__desktop {
    display: flex;
    background: #fff;
    border: 1px solid #e1e5eb;
    border-radius: 5px;
    box-shadow: 0 2px 12px rgba(6, 27, 64, 0.08);
    overflow: hidden;
  }
}

.geo-services__tabs {
  flex: 1;
}

.geo-services__tab {
  padding: 37px 32px 31px;
  border-right: 1px solid #e1e5eb;
  cursor: pointer;
  transition: background-color 0.2s;
}

.geo-services__tab:first-child {
  border-radius: 5px 0 0 0;
}

.geo-services__tab:not(.geo-services__tab--active) {
  background-color: #f7f8fa;
}

.geo-services__tab:not(.geo-services__tab--active):hover {
  background-color: #ebedf0;
}

.geo-services__tab-header {
  display: flex;
  align-items: center;
  margin-bottom: 16px;
}

.geo-services__tab-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #f0f4fe;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 16px;
  color: #306AF1;
  font-size: 24px;
}

.geo-services__tab:not(.geo-services__tab--active) .geo-services__tab-icon {
  background: #EBEDF0;
  color: #061B40;
}

.geo-services__tab-title {
  font-size: 20px;
  line-height: 30px;
  font-weight: 600;
  color: #061B40;
}

.geo-services__tab-subtitle {
  font-size: 14px;
  line-height: 22px;
  color: #8A8F99;
}

.geo-services__tab-desc {
  font-size: 14px;
  line-height: 22px;
  color: #061B40;
  margin-bottom: 8px;
}

@media (min-width: 768px) {
  .geo-services__tab-desc {
    font-size: 16px;
    line-height: 32px;
  }
}

.geo-services__tab-example {
  font-size: 14px;
  line-height: 22px;
  color: #061B40;
}

@media (min-width: 768px) {
  .geo-services__tab-example {
    font-size: 16px;
    line-height: 32px;
  }
}

.geo-services__tab-example .highlight-link {
  color: #306AF1;
  font-weight: 600;
  text-decoration: underline;
}

.geo-services__tab-example .highlight-text {
  color: #061B40;
  font-weight: 600;
  text-decoration: underline;
}

.geo-services__preview {
  width: 756px;
  padding: 40px 31px;
  position: relative;
}

.geo-services__preview-item {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.geo-services__preview-item--active {
  opacity: 1;
  visibility: visible;
}

.geo-services__preview-frame {
  width: 100%;
  height: 100%;
  min-height: 400px;
  background: #fff;
  border: 1px solid #e1e5eb;
  border-radius: 5px;
  overflow: hidden;
}

.geo-services__preview-header {
  display: flex;
  align-items: center;
  height: 40px;
  padding-left: 20px;
  background: #f7f8fa;
  gap: 10px;
}

.geo-services__preview-content {
  height: calc(100% - 40px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.geo-services__preview-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 16px;
}

.geo-services__video-frame {
  width: 100%;
  height: 100%;
  min-height: 400px;
  background: #fff;
  border: 1px solid #e1e5eb;
  border-radius: 5px;
  overflow: hidden;
}

.geo-services__video-header {
  display: flex;
  align-items: center;
  height: 40px;
  padding-left: 20px;
  background: #f7f8fa;
  gap: 10px;
}

.geo-services__video-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.geo-services__video-dot--red { background: #FC4646; }
.geo-services__video-dot--yellow { background: #FCAF24; }
.geo-services__video-dot--green { background: #29C231; }

.geo-services__video-content {
  height: calc(100% - 40px);
}

.geo-services__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0 0 5px 5px;
}

/* Mobile版本 */
.geo-services__mobile {
  display: flex;
  flex-direction: column;
  gap: 17px;
}

@media (min-width: 768px) {
  .geo-services__mobile {
    display: none;
  }
}

.geo-services__card {
  background: #fff;
  border: 1px solid #e1e5eb;
  border-radius: 5px;
  box-shadow: 0 2px 12px rgba(6, 27, 64, 0.08);
  overflow: hidden;
}

.geo-services__card-header {
  display: flex;
  align-items: center;
  margin-bottom: 16px;
  padding: 24px 16px 12px;
}

.geo-services__card-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #f0f4fe;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 16px;
  color: #306AF1;
  font-size: 24px;
}

.geo-services__card-title {
  font-size: 20px;
  line-height: 30px;
  font-weight: 600;
  color: #061B40;
}

.geo-services__card-subtitle {
  font-size: 14px;
  line-height: 22px;
  color: #8A8F99;
}

.geo-services__card-desc {
  font-size: 14px;
  line-height: 22px;
  color: #061B40;
  padding: 0 16px;
  margin-bottom: 8px;
}

.geo-services__card-example {
  font-size: 14px;
  line-height: 22px;
  color: #061B40;
  padding: 0 16px;
}

.geo-services__card-example .highlight-link {
  color: #306AF1;
  font-weight: 600;
  text-decoration: underline;
}

.geo-services__card-image {
  width: 100%;
  margin-top: 12px;
}

.hero-container {
  max-width: 1450px;
  margin: 0 auto;
  padding-top: 34px;
  padding-bottom: 41px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-title {
  font-size: 24px;
  line-height: 36px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 19px;
  text-align: center;
}

.hero-title .highlight {
  color: var(--color-primary);
}

.hero-subtitle {
  font-size: 14px;
  line-height: 24px;
  color: var(--color-text-primary);
  margin-bottom: 20px;
  text-align: center;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 16px;
  justify-content: center;
}

.btn-hero-primary {
  background: var(--color-primary);
  color: #fff;
  padding: 12px 16px;
  text-align: center;
  border-radius: 5px;
  font-size: 16px;
  line-height: 24px;
  min-width: 200px;
  text-decoration: none;
  display: inline-block;
  transition: background 0.3s;
}

.btn-hero-primary:hover {
  background: #1051E9;
}

.btn-hero-success {
  background: #35DEC2;
  color: #fff;
  padding: 12px 16px;
  text-align: center;
  border-radius: 5px;
  font-size: 16px;
  line-height: 24px;
  min-width: 200px;
  border: none;
  cursor: pointer;
  transition: background 0.3s;
}

.btn-hero-success:hover {
  background: #20C5AA;
}

.hero-nav-wrapper {
  background: var(--color-bg-white);
  margin-top: 40px;
  width: 100%;
  position: relative;
}

.hero-nav-desktop {
  display: none;
  width: 100%;
  z-index: 2;
}

.hero-nav-mobile {
  display: block;
  width: calc(100% + 32px);
  margin-left: -16px;
  margin-right: -16px;
  z-index: 2;
  box-shadow: 6px 6px 12px 0px rgba(0,34,102,0.05);
}

@media (min-width: 640px) {
  .hero-actions {
    flex-direction: row;
  }
}

@media (min-width: 768px) {
  .hero-container {
    padding-top: 55px;
    padding-bottom: 96px;
  }
  
  .hero-title {
    font-size: 36px;
    line-height: 54px;
  }
  
  .hero-subtitle {
    font-size: 16px;
    margin-bottom: 36px;
  }
  
  .hero-nav-desktop {
    display: block;
  }
  
  .hero-nav-mobile {
    display: none;
  }
}

/* === Tab 导航 === */
.nav-tabs-container {
  padding: 7px;
  background: var(--color-bg-white);
  display: flex;
  border: 1px solid var(--color-border);
  border-radius: 5px;
  box-shadow: 0 2px 12px rgba(6, 27, 64, 0.08);
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.nav-tabs-container::-webkit-scrollbar {
  display: none;
}

.nav-tab-item {
  color: var(--color-text-primary);
  min-width: 140px;
  flex: 1 1 0%;
  padding: 16px;
  font-weight: 600;
  position: relative;
  text-align: center;
  line-height: 24px;
  font-size: 16px;
  transition: color 0.3s, background-color 0.3s, border-color 0.3s;
  white-space: normal;
  cursor: pointer;
}

.nav-tab-item:hover {
  color: var(--color-primary);
  background: var(--color-bg-light);
}

.nav-tab-item.active {
  color: var(--color-primary);
}

.nav-tabs-scroll {
  position: relative;
  white-space: nowrap;
  background: var(--color-bg-white);
  display: flex;
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.nav-tabs-scroll::-webkit-scrollbar {
  display: none;
}

.nav-tab-item-mobile {
  color: var(--color-text-primary);
  flex: 1 1 0%;
  padding: 16px;
  text-align: center;
  line-height: 24px;
  font-size: 16px;
  transition: color 0.3s, background-color 0.3s, border-color 0.3s;
  cursor: pointer;
  white-space: nowrap;
  position: relative;
}

.nav-tab-item-mobile.active {
  color: var(--color-primary);
  font-weight: 500;
}

/* === 列表项 === */
.list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) 0;
}

.list-item .icon {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.list-item .content {
  flex: 1;
}

.list-item .title {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

/* === Badge/标签 === */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-sm);
  background: var(--color-bg-light);
  color: var(--color-primary);
}

.badge-primary {
  background: var(--color-primary);
  color: #ffffff;
}

.badge-success {
  background: rgba(82, 196, 26, 0.1);
  color: var(--color-success);
}

/* === 分割线 === */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-lg) 0;
}

.divider-vertical {
  width: 1px;
  height: auto;
  background: var(--color-border);
  margin: 0 var(--space-md);
}

/* === 浮动按钮（侧边栏） === */
.float-btn {
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg);
}

.float-btn:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-xl);
}

.float-btn i,
.float-btn svg {
  color: #ffffff;
  font-size: var(--font-size-xl);
}

.float-btn-white {
  background: var(--color-bg-white);
  box-shadow: var(--shadow-md);
}

.float-btn-white i,
.float-btn-white svg {
  color: var(--color-primary);
}

/* === 图标组件 === */
.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.icon-xs {
  font-size: var(--font-size-xs);
  width: 12px;
  height: 12px;
}

.icon-sm {
  font-size: var(--font-size-sm);
  width: 16px;
  height: 16px;
}

.icon-md {
  font-size: var(--font-size-base);
  width: 20px;
  height: 20px;
}

.icon-lg {
  font-size: var(--font-size-xl);
  width: 24px;
  height: 24px;
}

.icon-xl {
  font-size: var(--font-size-2xl);
  width: 32px;
  height: 32px;
}

.icon-primary {
  color: var(--color-primary);
}

.icon-secondary {
  color: var(--color-text-secondary);
}

/* === 背景装饰 === */
.bg-gradient-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
}

.bg-gradient-light {
  background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-bg-white) 100%);
}

.bg-pattern {
  position: relative;
}

.bg-pattern::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  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='%23306AF1' fill-opacity='0.03'%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");
  opacity: 0.5;
  z-index: 0;
}

.bg-pattern > * {
  position: relative;
  z-index: 1;
}

.section-features {
  background: var(--color-bg-white);
}

.section-header {
  text-align: center;
  margin-bottom: 36px;
}

@media (min-width: 768px) {
  .section-header {
    margin-bottom: 44px;
  }
}

.section-tag {
  display: inline-block;
  padding: 3px 16px;
  font-size: 16px;
  line-height: 22px;
  color: #168A77;
  background-color: #EDFAF7;
  border: 1px solid #168A77;
  border-radius: 5px;
  margin-bottom: 12px;
}

/* === 白色背景Section === */
.section-promotion,
.section-advantages,
.section-testimonials,
.ai-guide {
  background-color: #fff;
}

.bg-service-flow {
  background-color: #fff;
}

.ai-guide {
  padding: 43px 0;
}

@media (min-width: 768px) {
  .ai-guide {
    padding: 58px 0;
  }
}

.ai-guide__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.ai-guide__title {
  font-size: 20px;
  line-height: 30px;
  font-weight: 600;
  color: #061B40;
}

@media (min-width: 768px) {
  .ai-guide__title {
    font-size: 24px;
    line-height: 36px;
  }
}

.ai-guide__more {
  display: flex;
  align-items: center;
  gap: 4px;
  color: #061B40;
  font-size: 14px;
  line-height: 22px;
  text-decoration: none;
  transition: color 0.2s;
}

.ai-guide__more:hover {
  color: #306AF1;
}

.ai-guide__more i {
  font-size: 16px;
}

.ai-guide__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 768px) {
  .ai-guide__grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.ai-guide__card {
  background: #fff;
  border: 1px solid #e1e5eb;
  border-radius: 5px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  transition: border-color 0.2s;
}

.ai-guide__card:hover {
  border-color: #306AF1;
}

.ai-guide__card-image {
  width: 100%;
  height: 108px;
  overflow: hidden;
  margin-bottom: 12px;
}

@media (min-width: 768px) {
  .ai-guide__card-image {
    height: 138px;
  }
}

.ai-guide__card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ai-guide__card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.ai-guide__tag {
  display: inline-block;
  padding: 0 4px;
  font-size: 12px;
  line-height: 14px;
  color: #306AF1;
  background: #f0f4fe;
  border: 0.5px solid #98b5f8;
  border-radius: 2px;
}

.ai-guide__card-title {
  font-size: 16px;
  line-height: 24px;
  font-weight: 600;
  color: #061B40;
  margin-bottom: 5px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ai-guide__card-divider {
  border-bottom: 1px solid #e8e8e8;
  margin: 8px 0 12px;
}

.ai-guide__card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  font-size: 14px;
  line-height: 22px;
}

.ai-guide__card-views {
  display: flex;
  align-items: center;
  gap: 4px;
  color: #061B40;
}

.ai-guide__card-link {
  display: flex;
  align-items: center;
  gap: 4px;
  color: #061B40;
  transition: color 0.2s;
}

.ai-guide__card:hover .ai-guide__card-link {
  color: #306AF1;
}

.ai-guide__card-link i {
  font-size: 14px;
}

.section-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 16px;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 32px;
  }
}

.section-desc {
  font-size: 14px;
  line-height: 24px;
  color: var(--color-text-secondary);
  max-width: 800px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .section-desc {
    font-size: 16px;
  }
}

/* === Feature Card 组件 === */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.cards-grid-4 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .cards-grid {
    gap: 40px;
  }
  
  .cards-grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.feature-card {
  padding: 24px 16px 20px 16px;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: 5px;
  box-shadow: 0 2px 12px rgba(6, 27, 64, 0.08);
  transition: all 0.3s ease;
  cursor: pointer;
}

.feature-card:hover {
  box-shadow: 0 4px 24px rgba(48, 106, 241, 0.15);
  transform: translateY(-2px);
}

@media (min-width: 768px) {
  .feature-card {
    padding: 39px 31px 27px 31px;
  }
}

.feature-card__icon {
  margin-bottom: 19px;
  background: var(--color-bg-light);
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
}

.feature-card__icon i {
  font-size: 32px;
  color: var(--color-primary);
}

.feature-card__title {
  margin-bottom: 8px;
  font-size: 16px;
  line-height: 24px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.feature-card__desc {
  font-size: 14px;
  line-height: 22px;
  color: var(--color-text-primary);
}

@media (min-width: 768px) {
  .feature-card__title {
    margin-bottom: 15px;
    font-size: 20px;
    line-height: 30px;
  }
  
  .feature-card__desc {
    font-size: 16px;
    line-height: 32px;
  }
}

/* === Feature Card 带列表 === */
.feature-card__list {
  margin-top: 16px;
  list-style: none;
  padding: 0;
}

.feature-card__list li {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 14px;
  line-height: 22px;
  color: var(--color-text-primary);
}

.feature-card__list li:last-child {
  margin-bottom: 0;
}

.feature-card__list i {
  color: var(--color-primary);
  font-size: 16px;
}

/* === 点状背景 === */
.bg-dotted {
  background-color: #f7f8fa;
  background-image: radial-gradient(circle, #e1e5eb 1px, transparent 1px);
  background-size: 20px 20px;
  width: 100%;
}

/* === 解决方案 Tab === */
.section-solutions {
  background-color: #f7f8fa;
  background-image: radial-gradient(circle, #e1e5eb 1px, transparent 1px);
  background-size: 20px 20px;
}

.solution-wrapper {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
}

@media (min-width: 768px) {
  .solution-wrapper {
    flex-direction: row;
    align-items: flex-start;
    padding: 0 25px;
  }
}

/* === 解决方案 Tab (已移至文件后方统一管理) === */
  width: 20px;
  height: 20px;
  background: var(--color-bg-light);
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.solution-item__icon i {
  font-size: 16px;
  color: #fff;
}

@media (min-width: 768px) {
  .solution-item__icon {
    width: 24px;
    height: 24px;
  }
  
  .solution-item__icon i {
    font-size: 24px;
  }
}

.solution-item__content {
  flex: 1;
}

.solution-item__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.solution-item__desc {
  font-size: 14px;
  line-height: 22px;
  color: var(--color-text-primary);
}

@media (min-width: 768px) {
  .solution-item__desc {
    font-size: 16px;
    line-height: 32px;
  }
}

.solution-summary__title {
  margin-bottom: 8px;
  font-size: 16px;
  line-height: 24px;
  font-weight: 600;
}

.solution-summary__desc {
  margin-bottom: 16px;
  font-size: 14px;
  line-height: 22px;
  opacity: 0.9;
}

@media (min-width: 768px) {
  .solution-summary__title {
    margin-bottom: 20px;
    font-size: 24px;
    line-height: 36px;
  }
  
  .solution-summary__desc {
    margin-bottom: 37px;
    font-size: 16px;
    line-height: 32px;
  }
}

.solution-summary__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.solution-summary__item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 16px;
}

.solution-summary__item:last-child {
  margin-bottom: 0;
}

.solution-summary__icon {
  width: 20px;
  height: 20px;
  background: #fff;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.solution-summary__icon i {
  font-size: 16px;
  color: var(--color-primary);
}

.solution-summary__content {
  flex: 1;
}

.solution-summary__item-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.solution-summary__item-desc {
  font-size: 14px;
  line-height: 20px;
  opacity: 0.9;
}

/* === 统计数据组件 === */
.cards-grid-3 {
  grid-template-columns: 1fr;
}

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

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 23px;
}

@media (min-width: 768px) {
  .stats-grid {
    column-gap: 60px;
    row-gap: 23px;
  }
}

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

.stat-number {
  font-size: 16px;
  line-height: 24px;
  font-weight: 600;
  color: var(--color-text-primary);
}

@media (min-width: 768px) {
  .stat-number {
    font-size: 32px;
    line-height: 54px;
  }
}

.stat-label {
  font-size: 10px;
  line-height: 16px;
  color: var(--color-text-secondary);
}

@media (min-width: 768px) {
  .stat-label {
    font-size: 14px;
    line-height: 22px;
  }
}

/* === 成功案例组件 === */
.section-testimonials {
  background: var(--color-bg-white);
}

.testimonials-carousel {
  position: relative;
  padding: 0 20px;
}

@media (min-width: 768px) {
  .testimonials-carousel {
    padding: 0 24px;
  }
}

.carousel-track {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  transition: transform 0.5s ease-in-out;
}

@media (min-width: 768px) {
  .carousel-track {
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
  }
}

.testimonial-card {
  padding: 16px;
  background: var(--color-bg-white);
  border-radius: 5px;
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 12px rgba(6, 27, 64, 0.08);
  transition: all 0.3s;
  cursor: pointer;
}

@media (min-width: 768px) {
  .testimonial-card {
    padding: 40px 32px;
  }
}

.testimonial-card:hover {
  box-shadow: 0 4px 24px rgba(48, 106, 241, 0.15);
  transform: translateY(-2px);
}

.testimonial-card__header {
  display: flex;
  align-items: center;
  margin-bottom: 16px;
}

@media (min-width: 768px) {
  .testimonial-card__header {
    margin-bottom: 24px;
  }
}

.testimonial-card__avatar {
  width: 56px;
  height: 56px;
  margin-right: 12px;
  flex-shrink: 0;
}

.testimonial-card__avatar img {
  width: 100%;
  height: 100%;
  border-radius: 9999px;
  object-fit: cover;
}

.testimonial-card__name {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.testimonial-card__role {
  font-size: 12px;
  color: var(--color-text-secondary);
}

.testimonial-card__rating {
  display: flex;
  gap: 2px;
  margin-bottom: 13px;
}

@media (min-width: 768px) {
  .testimonial-card__rating {
    margin-bottom: 28px;
  }
}

.testimonial-card__rating .star {
  width: 16px;
  height: 16px;
  background: #FFB800;
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}

.testimonial-card__quote {
  font-size: 14px;
  line-height: 22px;
  color: var(--color-text-primary);
  font-style: italic;
  margin-bottom: 16px;
}

.testimonial-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.testimonial-card__tags .tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-bg-light);
  border-radius: 12px;
  font-size: 12px;
  color: var(--color-primary);
}

.carousel-prev,
.carousel-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 12px rgba(6, 27, 64, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  z-index: 10;
}

.carousel-prev:hover,
.carousel-next:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.carousel-prev {
  left: -16px;
}

.carousel-next {
  right: -16px;
}

@media (min-width: 768px) {
  .carousel-prev {
    left: -20px;
  }
  
  .carousel-next {
    right: -20px;
  }
}

.carousel-prev svg,
.carousel-next svg {
  width: 20px;
  height: 20px;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #e1e5eb;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
}

.carousel-dot:hover {
  background: rgba(48, 106, 241, 0.5);
}

.carousel-dot--active {
  background: var(--color-primary);
}

/* === 侧边浮动按钮 === */
.floating-buttons {
  position: fixed;
  right: 24px;
  bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 50;
}

.floating-btn {
  width: 48px;
  min-height: 140px;
  padding: 8px 0;
  border-radius: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
  outline: none;
}

.floating-btn--primary {
  background: linear-gradient(180deg, #1a5eff 50%, #4b80fb);
  color: #fff;
  box-shadow: 0 4px 16px rgba(26, 94, 255, 0.3);
}

.floating-btn--primary:hover {
  background: linear-gradient(180deg, #0045e5 50%, #326efb);
  transform: translateX(-4px);
}

.floating-btn--secondary {
  background: #fff;
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.floating-btn--secondary:hover {
  transform: translateX(-4px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.floating-btn__icon {
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.floating-btn--secondary .floating-btn__icon {
  background: var(--color-primary-light);
}

.floating-btn__icon i {
  font-size: 20px;
  color: #fff;
}

.floating-btn--secondary .floating-btn__icon i {
  color: var(--color-primary);
}

.floating-btn__icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
}

.floating-btn__text {
  font-size: 14px;
  line-height: 16px;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 2px;
}

.floating-btn--secondary .floating-btn__text {
  color: var(--color-text-primary);
}

/* 返回顶部圆形按钮 */
.floating-btn--back-top {
  width: 48px;
  min-height: auto;
  height: 48px;
  padding: 0;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  justify-content: center;
}

.floating-btn--back-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  border-color: var(--color-primary);
}

.floating-btn--back-top svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

@media (max-width: 768px) {
  .floating-buttons {
    display: none;
  }
}

/* ============================================
   Utility Classes - Compatibility Layer
   原网站工具类兼容层
   ============================================ */

/* === HIGH PRIORITY: Layout Classes === */

.borderMain {
  border: 1px solid var(--color-border);
}

.shadow5 {
  box-shadow: 0 2px 12px rgba(6, 27, 64, 0.08);
}

.mainColor {
  color: var(--color-text-primary);
}

.activeColor {
  color: var(--color-primary);
}

.tipColor {
  color: var(--color-text-tertiary);
}

.font600 {
  font-weight: 600;
}

.mainRadius {
  border-radius: var(--radius-md);
}

/* === MEDIUM PRIORITY: Hover Effects === */

.hv-gl {
  transition: box-shadow 0.3s;
}

.hv-gl:hover {
  box-shadow: 0 4px 24px rgba(48, 106, 241, 0.15);
}

.hv-up {
  transition: transform 0.3s;
}

.hv-up:hover {
  transform: translateY(-2px);
}

.hv-bd {
  transition: border-color 0.3s;
}

.hv-bd:hover {
  border-color: var(--color-primary);
}

/* === LOW PRIORITY: Utility Classes === */

.lh24 {
  line-height: 24px;
}

.lh22 {
  line-height: 22px;
}

.r5 {
  border-radius: 5px;
}

.smt {
  scroll-margin-top: 100px;
}

.dk {
  color: var(--color-text-primary);
}

.c1 {
  color: var(--color-primary);
}

.writing-vertical {
  font-size: 14px;
  letter-spacing: 4px;
  writing-mode: vertical-rl;
}

.blueBg {
  background: linear-gradient(180deg, #1a5eff 50%, #4b80fb);
}

.blueBg:hover {
  background: linear-gradient(180deg, #0045e5 50%, #326efb);
}

/* ============================================
   GEO Introduction Section (语义化)
   ============================================ */

.geo-intro {
  margin-top: 36px;
  width: 100%;
}

@media (min-width: 768px) {
  .geo-intro {
    margin-top: 96px;
  }
}

.geo-intro__wrapper {
  display: flex;
  flex-direction: column;
  gap: 37px;
  width: 100%;
}

@media (min-width: 768px) {
  .geo-intro__wrapper {
    flex-direction: row;
    align-items: center;
    gap: 40px;
  }
}

.geo-intro__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

@media (min-width: 768px) {
  .geo-intro__content {
    gap: 86px;
    width: 560px;
  }
}

.geo-intro__item {
  width: 100%;
}

.geo-intro__question {
  font-size: 16px;
  line-height: 24px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 16px;
}

@media (min-width: 768px) {
  .geo-intro__question {
    font-size: 24px;
    line-height: 36px;
    margin-bottom: 22px;
  }
}

.geo-intro__answer {
  font-size: 14px;
  line-height: 22px;
  color: var(--color-text-primary);
}

@media (min-width: 768px) {
  .geo-intro__answer {
    font-size: 16px;
    line-height: 32px;
  }
}

.geo-intro__video-wrapper {
  display: none;
  flex: 1;
  height: 600px;
}

@media (min-width: 768px) {
  .geo-intro__video-wrapper {
    display: block;
  }
}

.geo-intro__video-container {
  width: 100%;
  height: 100%;
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.geo-intro__video-header {
  display: flex;
  align-items: center;
  height: 40px;
  background: #f7f8fa;
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
  padding-left: 20px;
}

.geo-intro__video-dots {
  display: flex;
  gap: 10px;
}

.geo-intro__video-dot {
  width: 12px;
  height: 12px;
  border-radius: 9999px;
}

.geo-intro__video-dot--red { background: #FC4646; }
.geo-intro__video-dot--yellow { background: #FCAF24; }
.geo-intro__video-dot--green { background: #29C231; }

.geo-intro__video-content {
  height: calc(100% - 40px);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
}

.geo-intro__demo-wrapper {
  flex: 1;
  margin-top: 24px;
}

@media (min-width: 768px) {
  .geo-intro__demo-wrapper {
    margin-top: 0;
  }
}

.geo-intro__demo-container {
  width: 100%;
  min-height: 200px;
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .geo-intro__demo-container {
    height: 600px;
    min-height: auto;
  }
}

.geo-intro__demo-header {
  display: flex;
  align-items: center;
  height: 40px;
  background: #f7f8fa;
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
  padding-left: 20px;
}

.geo-intro__demo-dots {
  display: flex;
  gap: 10px;
}

.geo-intro__demo-dot {
  width: 12px;
  height: 12px;
  border-radius: 9999px;
}

.geo-intro__demo-dot--red { background: #FC4646; }
.geo-intro__demo-dot--yellow { background: #FCAF24; }
.geo-intro__demo-dot--green { background: #29C231; }

.geo-intro__demo-content {
  height: calc(100% - 40px);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
}

.geo-intro__image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 8px;
}

@media (min-width: 768px) {
  .geo-intro__image {
    padding: 16px;
  }
}

.geo-intro__loader {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.geo-intro__spinner {
  width: 48px;
  height: 48px;
  border: 2px solid transparent;
  border-bottom-color: var(--color-primary);
  border-radius: 9999px;
  animation: spin 1s linear infinite;
  margin-bottom: 16px;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.geo-intro__loader-text {
  font-size: 14px;
  color: var(--color-text-tertiary);
}

.geo-intro__mobile-image {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 12px rgba(6, 27, 64, 0.08);
}

@media (min-width: 768px) {
  .geo-intro__mobile-image {
    display: none;
  }
}

.geo-intro__mobile-image img {
  width: 100%;
}

/* ============================================
   Header Navigation
   ============================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.header__container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__left {
  display: flex;
  align-items: center;
  gap: 24px;
}

.header__right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header__logo-text {
  font-size: 20px;
  font-weight: 700;
  color: #306AF1;
}

.header__logo {
  height: 32px;
  display: flex;
  align-items: center;
}

.header__logo img {
  height: 24px;
}

.header__nav {
  display: none;
  align-items: center;
  gap: 24px;
}

@media (min-width: 1200px) {
  .header__nav {
    display: flex;
  }
}

.header__nav-link {
  font-size: 14px;
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color 0.2s;
  white-space: nowrap;
}

.header__nav-link:hover {
  color: var(--color-primary);
}

.header__nav-link--active {
  color: var(--color-primary);
  font-weight: 500;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header__lang {
  display: none;
  font-size: 14px;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background 0.2s;
}

@media (min-width: 768px) {
  .header__lang {
    display: block;
  }
}

.header__lang:hover {
  background: var(--color-bg-light);
}

.header__btn {
  display: none;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

@media (min-width: 768px) {
  .header__btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
}

.header__btn--primary {
  background: var(--color-primary);
  color: #fff;
  border: none;
}

.header__btn--primary:hover {
  background: var(--color-primary-hover);
}

.header__btn--secondary {
  background: #35DEC2;
  color: #fff;
  border: none;
}

.header__btn--secondary:hover {
  background: #20C5AA;
}

.header__mobile-menu {
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.header__menu-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  cursor: pointer;
}

.header__menu-btn svg {
  width: 24px;
  height: 24px;
  color: var(--color-text-primary);
  transition: opacity 0.2s;
}

.header__close-icon {
  position: absolute;
  opacity: 0;
}

.header__menu-btn[aria-expanded="true"] .header__menu-icon {
  opacity: 0;
}

.header__menu-btn[aria-expanded="true"] .header__close-icon {
  opacity: 1;
}

.header__mobile-nav {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg-white);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  overflow-y: auto;
  z-index: 99;
}

.header__mobile-nav--open {
  transform: translateX(0);
}

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

.header__mobile-link {
  display: block;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--color-text-primary);
  text-decoration: none;
  border-radius: 5px;
  transition: background 0.2s;
}

.header__mobile-link:hover {
  background: var(--color-bg-light);
  color: var(--color-primary);
}

.header__mobile-actions {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.header__mobile-actions .header__btn {
  display: block;
  text-align: center;
  width: 100%;
}

/* ============================================
   联系我们 Section
   ============================================ */

.contact-section {
  background-color: #f7f8fa;
  background-image: radial-gradient(circle, #e1e5eb 1px, transparent 1px);
  background-size: 20px 20px;
  padding: 40px 0;
  scroll-margin-top: 100px;
}

@media (min-width: 768px) {
  .contact-section {
    padding: 96px 0;
  }
}

.contact-section__container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 16px;
}

@media (min-width: 768px) {
  .contact-section__container {
    padding: 0 32px;
  }
}

.contact-section__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

@media (min-width: 768px) {
  .contact-section__grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

.contact-section__info {
  text-align: center;
}

@media (min-width: 768px) {
  .contact-section__info {
    text-align: left;
  }
}

.contact-section__tag {
  display: inline-block;
  padding: 3px 16px;
  font-size: 16px;
  line-height: 24px;
  color: #168A77;
  background: #EDFAF7;
  border: 1px solid #168A77;
  border-radius: 5px;
  margin-bottom: 12px;
}

@media (min-width: 768px) {
  .contact-section__tag {
    margin-bottom: 23px;
  }
}

.contact-section__title {
  font-size: 16px;
  line-height: 24px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 15px;
}

@media (min-width: 768px) {
  .contact-section__title {
    font-size: 32px;
    line-height: 54px;
  }
}

.contact-section__desc {
  font-size: 14px;
  line-height: 22px;
  color: var(--color-text-primary);
  margin-bottom: 36px;
}

@media (min-width: 768px) {
  .contact-section__desc {
    font-size: 16px;
    line-height: 24px;
    margin-bottom: 44px;
  }
}

.contact-section__qr-wrapper {
  display: flex;
  gap: 24px;
  justify-content: center;
}

.contact-section__qr-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 12px rgba(6, 27, 64, 0.08);
  background: #fff;
  padding: 20px;
}

.contact-section__qr-image {
  width: 160px;
  height: 160px;
}

.contact-section__qr-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.contact-section__qr-text {
  font-size: 16px;
  line-height: 24px;
  margin-top: 20px;
}

.contact-section__form-wrapper {
  padding: 19px 16px 24px 16px;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 12px rgba(6, 27, 64, 0.08);
}

@media (min-width: 768px) {
  .contact-section__form-wrapper {
    padding: 32px;
  }
}

.contact-section__form-title {
  font-size: 20px;
  line-height: 30px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 15px;
  text-align: left;
}

@media (min-width: 768px) {
  .contact-section__form-title {
    font-size: 36px;
    line-height: 54px;
    margin-bottom: 27px;
  }
}

.contact-form__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

@media (min-width: 768px) {
  .contact-form__row {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}

.contact-form__field {
  margin-bottom: 12px;
}

.contact-form__label {
  display: block;
  font-size: 16px;
  line-height: 24px;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.contact-form__input {
  width: 100%;
  height: 48px;
  padding: 0 16px;
  font-size: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  transition: border-color 0.2s;
}

.contact-form__input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.contact-form__input::placeholder {
  color: var(--color-text-tertiary);
}

.contact-form__textarea {
  width: 100%;
  min-height: 120px;
  padding: 12px 16px;
  font-size: 16px;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  resize: none;
  transition: border-color 0.2s;
}

.contact-form__textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.contact-form__submit {
  width: 100%;
  height: 48px;
  font-size: 16px;
  font-weight: 500;
  color: #fff;
  background: var(--color-primary);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  margin-top: 14px;
  transition: background 0.2s;
}

.contact-form__submit:hover {
  background: var(--color-primary-hover);
}

/* ============================================
   关于我们 Section
   ============================================ */

.about-section {
  padding: 36px 0;
  background: #fff;
  scroll-margin-top: 100px;
}

@media (min-width: 768px) {
  .about-section {
    padding: 88px 0;
  }
}

.about-section__container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 16px;
}

@media (min-width: 768px) {
  .about-section__container {
    padding: 0 32px;
  }
}

.about-section__title {
  font-size: 16px;
  line-height: 24px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 15px;
  text-align: center;
}

@media (min-width: 768px) {
  .about-section__title {
    font-size: 32px;
    line-height: 54px;
  }
}

.about-section__desc {
  font-size: 14px;
  line-height: 22px;
  color: var(--color-text-primary);
  text-align: center;
}

@media (min-width: 768px) {
  .about-section__desc {
    font-size: 16px;
    line-height: 32px;
    text-align: left;
  }
}

.about-section__info {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
}

@media (min-width: 768px) {
  .about-section__info {
    flex-direction: row;
    gap: 40px;
    justify-content: flex-start;
  }
}

.about-section__info-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.about-section__info-icon {
  display: none;
  width: 32px;
  height: 32px;
  border-radius: 9999px;
  background: #C4D5FB;
  align-items: center;
  justify-content: center;
}

@media (min-width: 768px) {
  .about-section__info-icon {
    display: flex;
  }
}

.about-section__info-icon i {
  font-size: 20px;
  color: #fff;
}

.about-section__info-text {
  font-size: 14px;
  line-height: 22px;
  color: var(--color-text-primary);
}

@media (min-width: 768px) {
  .about-section__info-text {
    font-size: 16px;
    line-height: 32px;
  }
}

/* ============================================
   Footer Section
   ============================================ */

.footer {
  width: 100%;
  background: #fff;
  border-top: 1px solid var(--color-border);
}

.footer__container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px 16px 28px;
}

@media (min-width: 768px) {
  .footer__container {
    padding: 32px 32px 28px;
  }
}

.footer__divider {
  border-top: 1px solid var(--color-border);
  margin-bottom: 36px;
  margin-top: 36px;
}

.footer__links {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  color: #8a8f99;
}

.footer__links-title {
  font-size: 14px;
  color: var(--color-text-tertiary);
}

.footer__links-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.footer__links-list a {
  font-size: 14px;
  color: var(--color-text-tertiary);
  text-decoration: none;
  transition: color 0.2s;
}

.footer__links-list a:hover {
  color: var(--color-primary);
}

.footer__bottom {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 14px;
  line-height: 24px;
  color: var(--color-text-tertiary);
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    gap: 12px;
  }
}

.footer__bottom a {
  color: var(--color-text-tertiary);
  text-decoration: none;
}

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

/* ============================================
   Mobile Fixed Buttons
   ============================================ */

.mobile-actions {
  display: flex;
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 22;
}

@media (min-width: 768px) {
  .mobile-actions {
    display: none;
  }
}

.mobile-actions__btn {
  flex: 1;
  height: 48px;
  font-size: 14px;
  line-height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
}

.mobile-actions__btn--primary {
  background: var(--color-primary);
  color: #fff;
}

.mobile-actions__btn--secondary {
  background: #0D44C2;
  color: #fff;
  text-decoration: none;
}

.mobile-actions__btn i {
  margin-right: 8px;
  font-size: 20px;
}

/* ============================================
   Product Advantages Comparison Table
   ============================================ */

.section-product-advantages {
  padding: 40px 0;
  scroll-margin-top: 100px;
}

@media (min-width: 768px) {
  .section-product-advantages {
    padding: 96px 0;
  }
}

/* Desktop: 三列并排布局 */
.comparison-columns {
  display: none;
  gap: 24px;
  align-items: flex-start;
}

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

.comparison-column {
  border-radius: 5px;
  box-shadow: 0 2px 12px rgba(6, 27, 64, 0.08);
  overflow: hidden;
}

.comparison-column--label {
  width: 200px;
  background: #fff;
  border: 1px solid var(--color-border);
}

.comparison-column--ours {
  width: 600px;
  background: var(--color-primary);
  padding-bottom: 37px;
}

.comparison-column--other {
  width: 552px;
  background: #fff;
  border: 1px solid var(--color-border);
  color: var(--color-text-tertiary);
}

.comparison-column__header {
  padding: 32px 24px 26px;
  font-weight: 600;
  font-size: 24px;
  line-height: 36px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.comparison-column--ours .comparison-column__header {
  color: #fff;
}

.comparison-column__icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.comparison-column__item {
  padding: 16px 24px;
  font-size: 14px;
  line-height: 22px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.comparison-column--label .comparison-column__item {
  font-weight: 500;
  color: var(--color-text-primary);
  justify-content: center;
  text-align: center;
}

.comparison-column--ours .comparison-column__item {
  color: #fff;
}

.comparison-column--other .comparison-column__item {
  color: var(--color-text-tertiary);
}

.comparison-column__check {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  background: #fff;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 2px;
}

.comparison-column__cross {
  width: 20px;
  height: 20px;
  color: #fff;
  background: var(--color-primary);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Mobile: 卡片式布局 */
.comparison-mobile {
  display: block;
}

@media (min-width: 768px) {
  .comparison-mobile {
    display: none;
  }
}

.comparison-mobile__card {
  background: #fff;
  border-radius: 5px;
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 12px rgba(6, 27, 64, 0.08);
  overflow: hidden;
}

.comparison-mobile__row {
  display: grid;
  grid-template-columns: 80px 1fr 1fr;
  border-bottom: 1px solid var(--color-border);
}

.comparison-mobile__row:last-child {
  border-bottom: none;
}

.comparison-mobile__label {
  padding: 16px 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-primary);
  background: #f7f8fa;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border-right: 1px solid var(--color-border);
}

.comparison-mobile__ours {
  padding: 12px;
  font-size: 12px;
  line-height: 18px;
  color: var(--color-primary);
  background: #f0f4fe;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  border-right: 1px solid var(--color-border);
}

.comparison-mobile__other {
  padding: 12px;
  font-size: 12px;
  line-height: 18px;
  color: var(--color-text-tertiary);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.section-solution {
  padding: 40px 0;
}

@media (min-width: 768px) {
  .section-solution {
    padding: 96px 0;
  }
}

.solution-layout {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

@media (min-width: 768px) {
  .solution-layout {
    flex-direction: row;
    align-items: center;
    gap: 16px;
    padding: 0 25px;
  }
}

.solution-content {
  background: #fff;
  border-radius: 5px;
  border: 1px solid var(--color-border);
  padding: 24px 16px;
  transition: all 0.3s ease;
}

@media (min-width: 768px) {
  .solution-content {
    width: 720px;
    padding: 50px 88px 50px 48px;
    box-shadow: 6px 6px 12px 0px rgba(0, 34, 102, 0.05);
  }
}

.solution-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
}

.solution-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 16px;
  font-size: 14px;
  line-height: 24px;
  border: 1px solid var(--color-border);
  border-radius: 5px;
  background: #fff;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all 0.2s;
}

.solution-tab:hover {
  border-color: var(--color-primary);
}

.solution-tab img {
  width: 20px;
  height: 20px;
  border-radius: 50%;
}

.solution-tab--active {
  background: #f0f4fe;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.solution-panel {
  display: none;
}

.solution-panel--active {
  display: block;
}

.solution-panel__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 24px;
  margin-bottom: 8px;
}

@media (min-width: 768px) {
  .solution-panel__title {
    margin-bottom: 20px;
    font-size: 24px;
    line-height: 36px;
  }
}

.solution-panel__desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 22px;
  margin-bottom: 16px;
}

@media (min-width: 768px) {
  .solution-panel__desc {
    margin-bottom: 37px;
    font-size: 16px;
    line-height: 32px;
  }
}

.solution-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (min-width: 768px) {
  .solution-features {
    gap: 37px;
  }
}

.solution-features__item {
  display: flex;
  gap: 16px;
}

.solution-features__icon {
  width: 24px;
  height: 24px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.solution-features__icon i {
  font-size: 14px;
  color: #fff;
}

.solution-features__content h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 24px;
  margin-bottom: 4px;
}

.solution-features__content p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 22px;
}

.solution-summary {
  background: var(--color-primary);
  border-radius: 5px;
  box-shadow: 0 2px 12px rgba(6, 27, 64, 0.08);
  padding: 32px 24px;
  color: #fff;
}

@media (min-width: 768px) {
  .solution-summary {
    width: 720px;
    height: 804px;
    margin-left: -40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 16px 48px;
  }
}

.solution-summary__title {
  font-size: 20px;
  font-weight: 600;
  color: #fff;
  line-height: 30px;
  margin-bottom: 16px;
}

@media (min-width: 768px) {
  .solution-summary__title {
    font-size: 24px;
    line-height: 36px;
  }
}

.solution-summary__desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 24px;
  margin-bottom: 32px;
}

@media (min-width: 768px) {
  .solution-summary__desc {
    font-size: 16px;
    line-height: 28px;
  }
}

.solution-summary__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.solution-summary__item {
  display: flex;
  gap: 16px;
}

.solution-summary__content h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  line-height: 24px;
  margin-bottom: 4px;
}

.solution-summary__content p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 20px;
}

.section-service-flow {
  background: #fff;
  padding: 40px 0;
  overflow: visible;
}

@media (min-width: 768px) {
  .section-service-flow {
    padding: 96px 0;
  }
}

.service-flow__container {
  width: 100%;
  max-width: 1450px;
  margin: 0 auto;
  padding: 0 16px;
  overflow: visible;
}

@media (min-width: 768px) {
  .service-flow__container {
    padding: 0 16px;
  }
}

@media (min-width: 1450px) {
  .service-flow__container {
    padding: 0;
  }
}

.service-flow__diagram {
  position: relative;
  margin: 99px auto 90px;
  width: 1450px;
  height: 330px;
  max-width: 100%;
  display: none;
  overflow: visible;
}

@media (min-width: 1450px) {
  .service-flow__diagram {
    display: block;
  }
}

.service-flow__bg {
  position: absolute;
  inset: 0;
  background: url('../images/service-flow-bg.webp') center/contain no-repeat;
}

.service-flow__step {
  position: absolute;
  width: 240px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.service-flow__step:nth-child(2) { top: -52px; left: 186px; }
.service-flow__step:nth-child(3) { top: -52px; left: 466px; }
.service-flow__step:nth-child(4) { top: -52px; left: 746px; }
.service-flow__step:nth-child(5) { top: -52px; left: 1026px; }
.service-flow__step:nth-child(6) { top: 228px; left: 1165px; }
.service-flow__step:nth-child(7) { top: 228px; left: 885px; }
.service-flow__step:nth-child(8) { top: 228px; left: 605px; }
.service-flow__step:nth-child(9) { top: 228px; left: 325px; }
.service-flow__step:nth-child(10) { top: 228px; left: 45px; }

.service-flow__step-header {
  margin-bottom: 6px;
}

.service-flow__step-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 20px;
}

@media (min-width: 1450px) {
  .service-flow__step-title {
    font-size: 14px;
    line-height: 20px;
    margin-bottom: 6px;
  }
}

.service-flow__step-icon {
  width: 72px;
  height: 72px;
  background: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.service-flow__step-icon i {
  font-size: 28px;
  color: var(--color-primary);
}

.service-flow__step-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 22px;
}

@media (min-width: 1450px) {
  .service-flow__step-desc {
    font-size: 16px;
    line-height: 32px;
  }
}

.service-flow__mobile {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 768px) {
  .service-flow__mobile {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

@media (min-width: 1450px) {
  .service-flow__mobile {
    display: none;
  }
}

/* ============================================
   Sidebar Widget (Shared by list.html & show.html)
   ============================================ */

.sidebar-widget {
  background: #fff;
  border-radius: 5px;
  padding: 20px;
}

.sidebar-widget__title {
  font-size: 18px;
  line-height: 28px;
  font-weight: 600;
  color: #061B40;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #e1e5eb;
}

.sidebar-widget__list {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: rank;
}

.sidebar-widget__item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid #f0f0f0;
}

.sidebar-widget__item:last-child {
  border-bottom: none;
}

.sidebar-widget__rank {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background: #f0f4fe;
  color: #306AF1;
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
}

.sidebar-widget__item:nth-child(1) .sidebar-widget__rank {
  background: #FF6B6B;
  color: #fff;
}

.sidebar-widget__item:nth-child(2) .sidebar-widget__rank {
  background: #FF9F43;
  color: #fff;
}

.sidebar-widget__item:nth-child(3) .sidebar-widget__rank {
  background: #54A0FF;
  color: #fff;
}

.sidebar-widget__link {
  font-size: 14px;
  line-height: 22px;
  color: #061B40;
  text-decoration: none;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.2s;
}

.sidebar-widget__link:hover {
  color: #306AF1;
}

/* ============================================
   Breadcrumb Navigation (Shared)
   ============================================ */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #8A8F99;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

@media (min-width: 768px) {
  .breadcrumb {
    margin-bottom: 24px;
  }
}

.breadcrumb__link {
  color: #8A8F99;
  text-decoration: none;
  transition: color 0.2s;
}

.breadcrumb__link:hover {
  color: #306AF1;
}

.breadcrumb__separator {
  color: #e1e5eb;
}

.breadcrumb__current {
  color: #061B40;
}

/* ============================================
   Sidebar Tags (Hot Tags Module)
   ============================================ */

.sidebar-tags {
  background: #fff;
  border-radius: 5px;
  padding: 20px;
  margin-top: 20px;
}

.sidebar-tags__title {
  font-size: 18px;
  line-height: 28px;
  font-weight: 600;
  color: #061B40;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #e1e5eb;
}

.sidebar-tags__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.sidebar-tags__tag {
  display: inline-block;
  padding: 6px 14px;
  background: #f5f7fa;
  color: #061B40;
  border-radius: 5px;
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  transition: all 0.2s;
}

.sidebar-tags__tag:hover {
  background: #306AF1;
  color: #fff;
}