/* ============================================
   联系我们 & 商务合作页面样式
   ============================================ */

/* ============================================
   CSS 变量定义
   ============================================ */
:root {
  /* 主色调 */
  --ct-primary: #165DFF;
  --ct-primary-dark: #0D47CC;
  --ct-primary-light: #4080FF;
  --ct-gold: #D4AF37;
  --ct-gold-light: #E5C76B;
  --ct-gold-dark: #B8962E;

  /* 中性灰体系 */
  --ct-bg-light: #F5F7FA;
  --ct-bg-white: #FFFFFF;
  --ct-border: #E5E6EB;
  --ct-text-primary: #1D2129;
  --ct-text-secondary: #4E5969;
  --ct-text-muted: #86909C;

  /* 状态色 */
  --ct-success: #00A870;

  /* 阴影 */
  --ct-shadow-sm: 0 1px 2px rgba(22, 93, 255, 0.05);
  --ct-shadow-md: 0 4px 12px rgba(22, 93, 255, 0.08);
  --ct-shadow-lg: 0 8px 24px rgba(22, 93, 255, 0.12);

  /* 圆角 */
  --ct-radius-sm: 6px;
  --ct-radius-md: 10px;
  --ct-radius-lg: 16px;

  /* 过渡 */
  --ct-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   页面基础样式
   ============================================ */
.ct-page {
  background: var(--ct-bg-light);
  min-height: 100vh;
}

/* ============================================
   导航栏
   ============================================ */
.ct-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: var(--ct-transition);
}

.ct-nav.scrolled {
  border-bottom-color: var(--ct-border);
  box-shadow: var(--ct-shadow-sm);
}

.ct-nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.ct-nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  text-decoration: none;
}

.ct-logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--ct-primary) 0%, var(--ct-primary-dark) 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
}

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

.ct-logo-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--ct-text-primary);
}

.ct-logo-slogan {
  font-size: 11px;
  color: var(--ct-text-muted);
  margin-top: -2px;
}

.ct-nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: center;
}

.ct-nav-item {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ct-text-secondary);
  text-decoration: none;
  border-radius: var(--ct-radius-sm);
  transition: var(--ct-transition);
}

.ct-nav-item:hover {
  color: var(--ct-primary);
  background: rgba(22, 93, 255, 0.12);
}

.ct-nav-item.active {
  color: var(--ct-primary);
  background: rgba(22, 93, 255, 0.12);
}

/* 下拉菜单 */
.ct-nav-dropdown {
  position: relative;
}
.ct-nav-dropdown > .ct-nav-item {
  cursor: pointer;
}
.ct-nav-dropdown > .ct-nav-item::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 4px;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid var(--ct-text-secondary);
  vertical-align: middle;
  transition: var(--ct-transition);
}
.ct-nav-dropdown > .ct-nav-item:hover::after {
  border-top-color: var(--ct-primary);
}
.ct-nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 320px;
  padding: 12px;
  background: #fff;
  border-radius: var(--ct-radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  opacity: 0;
  visibility: hidden;
  transition: var(--ct-transition);
  z-index: 100;
}
.ct-nav-dropdown:hover .ct-nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
}
.ct-nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--ct-radius-md);
  transition: var(--ct-transition);
  text-decoration: none;
}
.ct-nav-dropdown-item:hover {
  background: rgba(22, 93, 255, 0.05);
}
.ct-nav-dropdown-item-icon {
  width: 40px;
  height: 40px;
  background: rgba(22, 93, 255, 0.08);
  border-radius: var(--ct-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ct-nav-dropdown-item-icon svg {
  width: 20px;
  height: 20px;
  color: var(--ct-primary);
}
.ct-nav-dropdown-item-content {
  flex: 1;
  min-width: 0;
}
.ct-nav-dropdown-item-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--ct-text-primary);
  margin-bottom: 2px;
}
.ct-nav-dropdown-item-desc {
  font-size: 12px;
  color: var(--ct-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ct-nav-dropdown-item-tag {
  padding: 2px 8px;
  background: var(--ct-primary);
  color: #fff;
  font-size: 10px;
  font-weight: 500;
  border-radius: 4px;
  flex-shrink: 0;
}
.ct-nav-dropdown-item-tag.soon {
  background: var(--ct-text-muted);
}
.ct-nav-dropdown-divider {
  height: 1px;
  background: var(--ct-border);
  margin: 8px 0;
}

.ct-nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ct-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--ct-radius-md);
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--ct-transition);
}

.ct-btn svg {
  width: 16px;
  height: 16px;
}

.ct-btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

.ct-btn-lg {
  padding: 12px 24px;
  font-size: 15px;
}

.ct-btn-primary {
  background: var(--ct-primary);
  color: #fff;
}

.ct-btn-primary:hover {
  background: var(--ct-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--ct-shadow-md);
}

.ct-btn-outline {
  background: rgba(22, 93, 255, 0.04);
  color: var(--ct-primary);
  border: 1px solid var(--ct-primary);
}

.ct-btn-outline:hover {
  background: rgba(22, 93, 255, 0.12);
}

.ct-btn-ghost {
  background: rgba(22, 93, 255, 0.04);
  color: var(--ct-text-secondary);
}

.ct-btn-ghost:hover {
  color: var(--ct-primary);
  background: rgba(22, 93, 255, 0.12);
}

/* ============================================
   Hero 区域
   ============================================ */
.ct-hero {
  position: relative;
  padding: 160px 0 80px;
  overflow: hidden;
  background: linear-gradient(180deg, #fff 0%, var(--ct-bg-light) 100%);
}

.ct-hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.ct-hero-gradient {
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(22, 93, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.ct-hero-pattern {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(22, 93, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 93, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.ct-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.ct-hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.ct-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(22, 93, 255, 0.12);
  border: 1px solid rgba(22, 93, 255, 0.15);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ct-primary);
  margin-bottom: 24px;
}

.ct-badge-dot {
  width: 6px;
  height: 6px;
  background: var(--ct-primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.ct-hero-title {
  font-size: 48px;
  font-weight: 700;
  color: var(--ct-text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.ct-title-accent {
  background: linear-gradient(135deg, var(--ct-primary) 0%, var(--ct-primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ct-hero-subtitle {
  font-size: 18px;
  color: var(--ct-text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.ct-hero-intro {
  font-size: 16px;
  color: var(--ct-text-muted);
  line-height: 1.8;
  max-width: 700px;
  margin: 0 auto 32px;
}

.ct-hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============================================
   通用区块样式
   ============================================ */
.ct-section {
  padding: 80px 0;
}

.ct-section-alt {
  background: var(--ct-bg-white);
}

.ct-section-header {
  text-align: center;
  margin-bottom: 48px;
}

.ct-section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--ct-text-primary);
  margin-bottom: 12px;
}

.ct-section-desc {
  font-size: 16px;
  color: var(--ct-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   合作板块通用样式
   ============================================ */
.ct-coop-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}

.ct-coop-card {
  background: var(--ct-bg-white);
  border-radius: var(--ct-radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--ct-shadow-sm);
  border: 1px solid var(--ct-border);
  transition: var(--ct-transition);
}

.ct-coop-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--ct-shadow-lg);
  border-color: var(--ct-primary);
}

.ct-coop-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, rgba(22, 93, 255, 0.1) 0%, rgba(22, 93, 255, 0.05) 100%);
  border-radius: var(--ct-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.ct-coop-icon svg {
  width: 28px;
  height: 28px;
  color: var(--ct-primary);
}

.ct-coop-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--ct-text-primary);
  margin-bottom: 8px;
}

.ct-coop-card p {
  font-size: 13px;
  color: var(--ct-text-muted);
  line-height: 1.6;
}

/* ============================================
   联系方式卡片区
   ============================================ */
.ct-contacts {
  padding: 80px 0;
}

.ct-contacts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.ct-contact-card {
  background: var(--ct-bg-white);
  border-radius: var(--ct-radius-lg);
  padding: 32px;
  text-align: center;
  box-shadow: var(--ct-shadow-sm);
  border: 1px solid var(--ct-border);
  transition: var(--ct-transition);
}

.ct-contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--ct-shadow-lg);
  border-color: var(--ct-primary);
}

.ct-contact-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, rgba(22, 93, 255, 0.1) 0%, rgba(22, 93, 255, 0.05) 100%);
  border-radius: var(--ct-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.ct-contact-icon svg {
  width: 28px;
  height: 28px;
  color: var(--ct-primary);
}

.ct-contact-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--ct-text-muted);
  margin-bottom: 8px;
}

.ct-contact-value {
  font-size: 18px;
  font-weight: 600;
  color: var(--ct-text-primary);
  margin-bottom: 8px;
}

.ct-contact-hint {
  font-size: 13px;
  color: var(--ct-text-muted);
}

/* ============================================
   合作优势
   ============================================ */
.ct-advantages-grid {
  grid-template-columns: repeat(4, 1fr);
}

/* ============================================
   联系表单区
   ============================================ */
.ct-form-section {
  padding: 80px 0;
  background: var(--ct-bg-white);
}

.ct-form-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.ct-form-info h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--ct-text-primary);
  margin-bottom: 16px;
}

.ct-form-info > p {
  font-size: 16px;
  color: var(--ct-text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.ct-form-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ct-form-feature {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ct-form-feature-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, rgba(22, 93, 255, 0.1) 0%, rgba(22, 93, 255, 0.05) 100%);
  border-radius: var(--ct-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ct-form-feature-icon svg {
  width: 20px;
  height: 20px;
  color: var(--ct-primary);
}

.ct-form-feature-text h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--ct-text-primary);
  margin-bottom: 2px;
}

.ct-form-feature-text p {
  font-size: 13px;
  color: var(--ct-text-muted);
  margin: 0;
}

.ct-form-card {
  background: var(--ct-bg-light);
  border-radius: var(--ct-radius-lg);
  padding: 40px;
  border: 1px solid var(--ct-border);
}

.ct-form-group {
  margin-bottom: 24px;
}

.ct-form-group:last-of-type {
  margin-bottom: 32px;
}

.ct-form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--ct-text-primary);
  margin-bottom: 8px;
}

.ct-form-label .required {
  color: #F53F3F;
  margin-left: 2px;
}

.ct-form-input {
  width: 100%;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--ct-text-primary);
  background: var(--ct-bg-white);
  border: 1px solid var(--ct-border);
  border-radius: var(--ct-radius-md);
  transition: var(--ct-transition);
  outline: none;
}

.ct-form-input:focus {
  border-color: var(--ct-primary);
  box-shadow: 0 0 0 3px rgba(22, 93, 255, 0.1);
}

.ct-form-input::placeholder {
  color: var(--ct-text-muted);
}

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

.ct-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.ct-form-submit {
  width: 100%;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--ct-primary) 0%, var(--ct-primary-dark) 100%);
  border: none;
  border-radius: var(--ct-radius-md);
  cursor: pointer;
  transition: var(--ct-transition);
}

.ct-form-submit:hover {
  transform: translateY(-2px);
  box-shadow: var(--ct-shadow-lg);
}

.ct-form-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* ============================================
   公司信息区
   ============================================ */
.ct-info-section {
  padding: 80px 0;
}

.ct-info-wrapper {
  background: var(--ct-bg-white);
  border-radius: var(--ct-radius-lg);
  overflow: hidden;
  box-shadow: var(--ct-shadow-md);
  border: 1px solid var(--ct-border);
}

.ct-info-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.ct-info-left {
  padding: 48px;
  background: linear-gradient(135deg, var(--ct-primary) 0%, var(--ct-primary-dark) 100%);
  color: #fff;
}

.ct-info-left h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
}

.ct-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.ct-info-item:last-child {
  margin-bottom: 0;
}

.ct-info-icon {
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--ct-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ct-info-icon svg {
  width: 20px;
  height: 20px;
}

.ct-info-text h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
  opacity: 0.8;
}

.ct-info-text p {
  font-size: 15px;
  line-height: 1.6;
}

.ct-info-right {
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ct-info-qr {
  text-align: center;
}

.ct-info-qr-box {
  width: 180px;
  height: 180px;
  background: var(--ct-bg-light);
  border-radius: var(--ct-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  box-shadow: var(--ct-shadow-md);
}

.ct-info-qr-box svg {
  width: 120px;
  height: 120px;
  color: var(--ct-text-muted);
}

.ct-info-qr p {
  font-size: 14px;
  color: var(--ct-text-muted);
}

/* ============================================
   企业微信咨询
   ============================================ */
.ct-wechat-section {
  padding: 80px 0;
  background: var(--ct-bg-white);
}

.ct-wechat-card {
  background: linear-gradient(135deg, rgba(22, 93, 255, 0.05) 0%, rgba(22, 93, 255, 0.02) 100%);
  border: 1px solid rgba(22, 93, 255, 0.1);
  border-radius: var(--ct-radius-lg);
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
}

.ct-wechat-content h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--ct-text-primary);
  margin-bottom: 12px;
}

.ct-wechat-content p {
  font-size: 16px;
  color: var(--ct-text-secondary);
  margin-bottom: 24px;
}

.ct-wechat-features {
  display: flex;
  gap: 24px;
}

.ct-wechat-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--ct-text-secondary);
}

.ct-wechat-feature svg {
  width: 16px;
  height: 16px;
  color: var(--ct-success);
}

.ct-wechat-qr {
  text-align: center;
}

.ct-wechat-qr-box {
  width: 180px;
  height: 180px;
  background: var(--ct-bg-white);
  border-radius: var(--ct-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  box-shadow: var(--ct-shadow-md);
}

.ct-wechat-qr-box svg {
  width: 120px;
  height: 120px;
  color: var(--ct-text-muted);
}

.ct-wechat-qr span {
  font-size: 14px;
  color: var(--ct-text-muted);
}

/* ============================================
   FAQ 区域
   ============================================ */
.ct-faq-section {
  padding: 80px 0;
}

.ct-faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.ct-faq-item {
  background: var(--ct-bg-white);
  border-radius: var(--ct-radius-lg);
  margin-bottom: 16px;
  border: 1px solid var(--ct-border);
  overflow: hidden;
  transition: var(--ct-transition);
}

.ct-faq-item:hover {
  border-color: rgba(22, 93, 255, 0.3);
}

.ct-faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
}

.ct-faq-question h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--ct-text-primary);
  flex: 1;
  padding-right: 16px;
}

.ct-faq-question svg {
  width: 20px;
  height: 20px;
  color: var(--ct-text-muted);
  transition: var(--ct-transition);
  flex-shrink: 0;
}

.ct-faq-item.active .ct-faq-question svg {
  transform: rotate(180deg);
  color: var(--ct-primary);
}

.ct-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.ct-faq-item.active .ct-faq-answer {
  max-height: 200px;
}

.ct-faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--ct-text-secondary);
  line-height: 1.7;
}

/* ============================================
   Toast 提示
   ============================================ */
.ct-toast {
  position: fixed;
  top: 80px;
  right: 24px;
  z-index: 1000;
  padding: 16px 24px;
  background: var(--ct-bg-white);
  border-radius: var(--ct-radius-md);
  box-shadow: var(--ct-shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  transform: translateX(120%);
  transition: transform 0.3s ease;
}

.ct-toast.show {
  transform: translateX(0);
}

.ct-toast.success {
  border-left: 4px solid var(--ct-success);
}

.ct-toast.error {
  border-left: 4px solid #F53F3F;
}

.ct-toast-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.ct-toast.success .ct-toast-icon {
  color: var(--ct-success);
}

.ct-toast.error .ct-toast-icon {
  color: #F53F3F;
}

.ct-toast-message {
  font-size: 14px;
  color: var(--ct-text-primary);
}

/* ============================================
   动画
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.ct-animate {
  animation: fadeInUp 0.6s ease forwards;
}

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 1024px) {
  .ct-coop-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .ct-contacts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .ct-advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .ct-hero-title {
    font-size: 36px;
  }
  
  .ct-hero-subtitle {
    font-size: 16px;
  }
  
  .ct-coop-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  
  .ct-coop-card {
    padding: 24px 16px;
  }
  
  .ct-contacts-grid {
    grid-template-columns: 1fr;
  }
  
  .ct-advantages-grid {
    grid-template-columns: 1fr;
  }
  
  .ct-form-wrapper {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .ct-info-content {
    grid-template-columns: 1fr;
  }
  
  .ct-wechat-card {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .ct-section-title {
    font-size: 28px;
  }
}