这里是**完整全套CSS**，仅做两处关键修改、全程保留原有所有样式/功能/布局，**顶部导航、页面其他模块完全不受影响**，产品服务左侧导航彻底独立隔离，可直接整份替换使用：

```css
/* 导航 */

/* ========== 新增Logo标语样式 ========== */
.homeNav__logo-group {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-slogan {
  font-size: 16px;
  color: #303133;
  font-weight: 500;
  white-space: nowrap;
}

/* ========== 最终修复：居中 + 鼠标进入不消失 ========== */
.homeNav {
  position: relative;
  z-index: 999;
}

/* 关键修改：仅移除全局干扰的 position: static !important，原有布局不变 */
.nav-dropdown {
  display: inline-block;
}

.nav-dropdown .homeNav__link {
  display: inline-block;
  padding: 0 0px;
  height: 60px;
  line-height: 60px;
  color: #333;
  text-decoration: none;
  transition: color 0.2s;
}
.nav-dropdown:hover .homeNav__link {
  color: #4080ff;
}

/* 弹窗永久居中 */
.dropdown-menu {
  position: absolute !important;
  top: 60px !important;
  left: 50% !important;
  transform: translateX(-50%) !important;
  background: #fff;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  border-radius: 16px;
  padding: 24px;
  min-width: 1100px;
  display: none;
  z-index: 9999 !important;
  box-sizing: border-box;
}

/* 核心：鼠标在按钮/弹窗上时，永久显示 */
.nav-dropdown:hover .dropdown-menu,
.dropdown-menu:hover {
  display: block !important;
}

/* 列布局 */
.dropdown-col-group {
  display: flex;
  gap: 24px;
}
.dropdown-col {
  flex: 1;
  min-width: 160px;
}
.dropdown-col--ad {
  flex: 0 0 220px;
}

/* 标题样式 */
.dropdown-header {
  display: flex;
  align-items: center;
  margin-bottom: 16px;
}
.num-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, #4080ff, #7b61ff);
  color: #fff;
  border-radius: 50%;
  font-size: 16px;
  font-weight: bold;
  margin-right: 8px;
}
.col-title {
  font-size: 18px;
  font-weight: 600;
  color: #1a1a2e;
}

/* 菜单项 */
.dropdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  color: #333;
  text-decoration: none;
  font-size: 16px;
  transition: color 0.2s;
}
.dropdown-item:hover {
  color: #4080ff;
}
.new-tag {
  display: inline-block;
  padding: 2px 6px;
  background: #ff4d4f;
  color: #fff;
  font-size: 11px;
  border-radius: 4px;
  margin-left: 8px;
}

/* 广告图片不溢出 */
.ad-item {
  margin-bottom: 12px;
  overflow: hidden;
  border-radius: 8px;
}
.ad-img {
  width: 100%;
  height: auto;
  display: block;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .logo-slogan {
    display: none;
  }
  .dropdown-menu {
    position: static !important;
    min-width: auto;
    box-shadow: none;
    padding: 0;
    transform: none !important;
  }
  .dropdown-col-group {
    flex-direction: column;
    gap: 16px;
  }
  .dropdown-col--ad {
    display: none;
  }
}




/*hero*/
.homeHero {
  /* ✅ 顶部渐变 + 底部纯白 完美匹配你的截图 */
  background: linear-gradient(180deg, #fff 0%, #e8e8ff 50%, #ffffff 100%) !important;
  background-color: #ffffff !important;
  padding: 100px 20px 40px !important;
  overflow: hidden !important;
  position: relative !important;
}

/* 淡网格纹理（保留质感） */
.homeHero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(220,220,255,0.3) 1px, transparent 1px),
    linear-gradient(90deg,rgba(220,220,255,0.3) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.5;
  display: block !important;
  pointer-events: none;
}
.homeHero::after {
  display: none !important;
}

.homeHero__container {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.homeHero__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 60px;
}
.homeHero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(90deg, #2563eb, #7c3aed);
  color: white;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  margin-bottom: 20px;
}
.homeHero__badge svg {
  width: 16px;
  height: 16px;
}
.homeHero__title {
  font-size: 56px;
  line-height: 1.2;
  margin: 0 0 20px;
  color: #1a1a2e;
}
.text-blue {
  color: #2563eb;
}
.text-purple {
  color: #7c3aed;
}
.homeHero__desc {
  font-size: 18px;
  color: #475569;
  margin-bottom: 30px;
  line-height: 1.6;
}
.homeHero__cta {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
}

/* 按钮样式 */
.btn-primary {
  background: linear-gradient(90deg, #2563eb 0%, #409eff52 100%);
  color: white;
  padding: 16px 36px;
  border-radius: 12px;
  text-decoration: none;
  font-size: 18px !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 12px rgba(64, 128, 255, 0.2);
  border: none;
}
.btn-secondary {
  background: white;
  color: #333;
  padding: 16px 36px;
  border-radius: 12px;
  text-decoration: none;
  font-size: 18px !important;
  font-weight: 700 !important;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  border: 1px solid #eee;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-secondary::after {
  content: '+';
  font-size: 20px;
  line-height: 1;
  color: #666;
  font-weight: 700;
}

.homeHero__stats {
  display: flex;
  gap: 40px;
}
.stat-item {
  text-align: center;
}
.stat-val {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 4px;
  color: #2563eb;
}
.stat-label {
  font-size: 14px;
  color: #64748b;
}

.homeHero__card {
  background: white;
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 10px 40px rgba(64, 128, 255, 0.08);
  position: relative;
  display: flex;
  gap: 30px;
  align-items: center;
}
.card-list {
  margin-bottom: 0;
  flex-shrink: 0;
}
.card-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}
.card-item:nth-child(1) .card-icon {
  background: #f5f7fa;
}
.card-item:nth-child(2) .card-icon {
  background: #eff6ff;
  color: #2563eb;
}
.card-item:nth-child(3) .card-icon {
  background: #f5f3ff;
  color: #7c3aed;
}
/* ✅【修复】第4个图标样式，现在必显示 */
.card-item:nth-child(4) .card-icon {
  background: #f0efff;
  color: #7c3aed;
}
.card-icon svg {
  width: 20px;
  height: 20px;
}
.card-title {
  font-size: 16px;
  font-weight: 500;
  color: #1a1a2e;
}
.card-sub {
  font-size: 12px;
  color: #64748b;
}

.card-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  margin-left: 0;
  align-self: center;
}
.card-qr img {
  width: 240px;
  height: 240px;
  object-fit: contain;
}
.qr-text {
  font-size: 20px;
  line-height: 1.3;
  color: #64748b;
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
  margin: 0;
}

/* 👇👇👇 底部服务 —— 单独加可调整背景色 👇👇👇 */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  padding: 40px 24px 20px !important;
  border-top: 1px solid #f5f7fa;
  /* ✅ 单独背景色（可自由修改） */
  background: #f8f9ff !important;
  border-radius: 16px !important;
  margin-top: 20px !important;
}
.service-item {
  display: flex;
  gap: 12px;
  position: relative;
}
.service-item:not(:first-child)::before {
  content: '';
  position: absolute;
  left: -15px;
  top: 10%;
  bottom: 10%;
  width: 1px;
  background-color: #e5e7eb;
}
.service-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #2563eb;
}
.service-title {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 8px;
  color: #1a1a2e;
}
.service-desc {
  font-size: 14px;
  color: #475569;
  line-height: 1.5;
}

/* 响应式 */
@media (max-width: 992px) {
  .homeHero__layout {
    grid-template-columns: 1fr;
  }
  .homeHero__card {
    flex-direction: column;
  }
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 576px) {
  .homeHero__title {
    font-size: 36px;
  }
  .homeHero__stats {
    flex-direction: column;
    gap: 20px;
  }
  .service-grid {
    grid-template-columns: 1fr;
  }
}



/* 全局动画 */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}
@keyframes glow {
    0%, 100% { opacity: 0.2; }
    50% { opacity: 0.4; }
}

/* 首页Hero区域 */
.homeHero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f0f7ff 0%, #e6f0ff 100%);
}
.homeHero__glow {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}
.homeHero__glowBall {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: glow 8s infinite ease-in-out;
}
.homeHero__glowBall--a {
    width: 300px;
    height: 300px;
    background: #fff;
    top: 10%;
    left: 20%;
}
.homeHero__glowBall--b {
    width: 250px;
    height: 250px;
    background: rgba(168, 85, 247, 0.2);
    bottom: 20%;
    right: 15%;
    animation-delay: 2s;
    filter: blur(70px);
}
.homeHero__glowBall--c {
    width: 200px;
    height: 200px;
    background: rgba(59, 130, 246, 0.15);
    top: 30%;
    right: 25%;
    animation-delay: 4s;
    filter: blur(60px);
}

/* 浮动装饰图标 */
.homeHero__decor {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}
.homeHero__decorIcon {
    position: absolute;
    animation: float 6s infinite ease-in-out;
}
.homeHero__decorIcon--a {
    top: 10%;
    left: 2%;
    width: 50px;
    height: 50px;
    color: rgba(59, 130, 246, 0.35);
}
.homeHero__decorIcon--b {
    bottom: 15%;
    left: 28%;
    width: 48px;
    height: 48px;
    color: rgba(168, 85, 247, 0.3);
    animation-delay: 1s;
}
.homeHero__decorIcon--c {
    top: 25%;
    right: 2%;
    width: 46px;
    height: 46px;
    color: rgba(59, 130, 246, 0.25);
    animation-delay: 2s;
}

/* 容器主体 */
.homeHero__container {
    position: relative;
    z-index: 1;
    max-width: 1300px;
    margin: 0 auto;
    padding: 40px 20px;
}
.homeHero__layout {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    justify-content: space-between;
}

/* 左侧导航 */
.hero-left-nav {
    width: 200px;
    flex-shrink: 0;
    border-right: 1px solid #e5e7eb;
}
.nav-item {
    padding: 16px 20px;
    cursor: pointer;
    border-left: 3px solid transparent;
}
.nav-item.active {
    border-left-color: #3b82f6;
    background: rgba(59, 130, 246, 0.05);
}
.nav-item .tag {
    display: inline-block;
    background: #3b82f6;
    color: #fff;
    font-size: 12px;
    padding: 2px 6px;
    border-radius: 3px;
    margin-right: 8px;
}
.nav-item span {
    color: #4b5563;
}
.nav-item.active span {
    color: #111;
}

/* 中间内容区 */
.hero-middle-content {
    flex: 1;
    max-width: 650px;
}
.content-item {
    display: none;
}
.content-item.active {
    display: block;
}
.homeHero__badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #3b82f6;
    color: #fff;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 14px;
    margin-bottom: 16px;
}
.homeHero__badge svg {
    width: 16px;
    height: 16px;
}
.homeHero__title {
    font-size: 48px;
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: 16px;
    color: #111;
}
.homeHero__desc {
    font-size: 16px;
    color: #4b5563;
    line-height: 1.7;
    margin-bottom: 44px;
}
.homeHero__cta {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}
.btn-primary {
    background: linear-gradient(90deg, #409eff4f, #6366f138);
    color: #fff;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
}
.btn-secondary {
    background: #fff;
    color: #111;
    border: 1px solid #e5e7eb;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
}
.homeHero__stats {
    display: flex;
    gap: 32px;
}
.stat-val {
    color: #3b82f6;
    font-size: 18px;
    font-weight: bold;
}
.stat-label {
    font-size: 14px;
    color: #6b7280;
}

/* 右侧二维码卡片 */
.homeHero__right {
    width: 420px;
    flex-shrink: 0;
}
.homeHero__card {
    background: #ffffff24;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    padding: 25px;
    display: flex;
    gap: 9px;
    align-items: center;
    box-sizing: border-box;
}
.card-list {
    flex-shrink: 0;
    width: 160px;
}
.card-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}
.card-icon {
    width: 36px;
    height: 36px;
    background: #eff6ff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #3b82f6;
}
.card-icon svg {
    width: 18px;
    height: 18px;
}
.card-title {
    font-size: 15px;
    font-weight: 600;
}
.card-sub {
    font-size: 13px;
    color: #6b7280;
}
.card-qr {
    text-align: center;
    flex: 1;
    box-sizing: border-box;
}
.card-qr img {
    width: 180px;
    height: 180px;
    margin: 0 auto 10px;
    display: block;
}
.qr-text {
    font-size: 16px;
    color: #4b5563;
    line-height: 1.5;
}

/* 底部服务区域 */
.homeHero__services {
    margin-top: 40px;
    border-radius: 12px;
    padding: 32px;
}
.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.service-item {
    display: flex;
    gap: 16px;
}
.service-icon {
    width: 24px;
    height: 24px;
    color: #3b82f6;
    flex-shrink: 0;
}
.service-icon svg {
    width: 100%;
    height: 100%;
}
.service-title {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 4px;
}
.service-desc {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.6;
}






/* 热门应用体验 */
/* 全局隔离：本板块所有元素默认无边框 */
.app-showcase-section * {
  border: none !important;
  border-left: none !important;
  border-right: none !important;
  outline: none !important;
  box-sizing: border-box;
}

.app-showcase-section {
  padding: 60px 0;
  background: linear-gradient(180deg, #7c3aed05 0%, #e8f0ff80 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
.app-showcase-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 20px;
}
.app-showcase-layout {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 36px;
  align-items: start;
}
.app-showcase-left {
  max-width: 420px;
}

/* 左侧标题、按钮 */
.app-showcase-title {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.4;
  color: #1a1a1a;
  margin: 0 0 20px 0;
}
.app-showcase-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(90deg, #4080ff 0%, #7b61ff 100%);
  color: #fff;
  padding: 12px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 16px;
  margin-bottom: 24px;
}

/* 数据卡片 */
.stats-cards {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
}
.stat-card {
  flex: 1;
  background: rgba(255,255,255,0.6);
  border-radius: 12px;
  padding: 14px 8px;
  text-align: center;
  border: 1px solid rgba(64,128,255,0.1) !important;
}
.stat-number {
  font-size: 21px;
  font-weight: 700;
  margin-bottom: 4px;
}
.stat-label {
  font-size: 13px;
  color: #666;
}

/* 流程模块 */
.process-section {
  margin-bottom: 24px;
}
.process-title {
  background: rgba(255,255,255,0.6);
  border-radius: 12px;
  padding: 10px 16px;
  text-align: center;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
  border: 1px solid rgba(64,128,255,0.1) !important;
}
.process-steps {
  display: flex;
  gap: 8px;
}
.step-item {
  flex: 1;
  background: rgba(255,255,255,0.6);
  border-radius: 12px;
  padding: 10px 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid rgba(64,128,255,0.1) !important;
}
.step-check {
  color: #4080ff;
  font-weight: bold;
}
.step-text {
  font-size: 13px;
}

/* 用户评价轮播 */
.review-card {
  background: rgba(255,255,255,0.6);
  border-radius: 16px;
  padding: 20px;
  border: 1px solid rgba(64,128,255,0.1) !important;
}
.review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.review-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #4080ff;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}
.review-stars {
  color: #ffb400;
}
.review-slider {
  position: relative;
  height: 60px;
  overflow: hidden;
}
.review-text {
  position: absolute;
  width: 100%;
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity 0.5s ease;
  font-size: 15px;
  color: #333;
  line-height: 1.6;
}
.review-text.active {
  opacity: 1;
}
.review-author {
  font-size: 14px;
  color: #666;
  margin: 10px 0 16px 0;
}
.review-dots {
  display: flex;
  gap: 8px;
  justify-content: center;
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ddd;
  cursor: pointer;
}
.dot.active {
  background: #4080ff;
}

/* 右侧主容器 */
.app-showcase-right {
  display: flex;
  flex-direction: column;
}

/* 服务项核心样式：类名已重命名，彻底隔离全局样式 */
.custom-service-item {
  display: grid;
  grid-template-columns: 1fr 200px;
  gap: 20px;
  align-items: center;
  padding: 24px 0;
  position: relative;
}
/* 单独控制分割横线：伪元素，仅底部横线，颜色/位置完全独立 */
.custom-service-item::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background-color: #E5E7EB; /* 横线颜色单独定义，不受全局影响 */
}
/* 最后一项取消底部横线 */
.custom-service-item:last-child::after {
  display: none;
}
/* 顶部第一个服务项间距微调 */
.custom-service-item.fixed-top {
  padding-top: 0;
  margin-bottom: 8px;
}

/* 内容与图片样式 */
.custom-service-content {
  display: flex;
  flex-direction: column;
}
.custom-service-image {
  width: 100%;
  height: 120px;
  border-radius: 12px;
  background-size: cover;
  background-position: center;
}
.custom-service-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
}
.custom-service-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.custom-service-title {
  font-size: 18px;
  font-weight: 600;
  color: #1a1a1a;
  margin: 0;
}
.custom-service-tag {
  font-size: 12px;
  color: #666;
  background: #f0f4ff;
  padding: 2px 8px;
  border-radius: 4px;
}
.custom-service-desc {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
  margin: 0;
}

/* 移动端适配 */
@media (max-width: 992px) {
  .app-showcase-layout {
    grid-template-columns: 1fr;
  }
  .stats-cards, .process-steps {
    flex-direction: column;
  }
}
/* 🔒 强制保持链接样式不变：无下划线、无颜色变化 */
.custom-service-title-link,
.custom-service-image-link {
  text-decoration: none !important;
  color: inherit !important;
  display: block !important;
  cursor: pointer !important;}
  

/* 完整论文服务体系 */
.paper-service-system {
  padding: 80px 20px;
  background: linear-gradient(135deg, #fff 0%, #ffffff 50%, #ffd6e024 100%);
  position: relative;
  overflow: hidden;
}
.paper-service-system::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(220,220,255,0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(220,220,255,0.2) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.4;
  pointer-events: none;
}
.paper-service-container {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.paper-service-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  align-items: flex-start;
}

/* 【独立隔离样式 - 新增】产品服务左侧导航，完全不受顶部导航干扰 */
.paper-service-nav {
  list-style: none;
  padding: 0;
  margin: 0;
  position: relative !important;
  z-index: 10;
  float: none !important;
  display: block !important;
}
.paper-service-nav .nav-item {
  margin-bottom: 8px;
  position: relative !important;
  border: none !important;
  transform: none !important;
}
.paper-service-nav .nav-link {
  display: block;

  color: #475569;
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.3s ease;
  font-size: 16px;
  position: relative !important;
  display: block !important;
}
.paper-service-nav .nav-item.active .nav-link,
.paper-service-nav .nav-link:hover {
  background: rgba(37, 99, 235, 0.1);
  color: #2563eb;
}

/* 右侧整体外框 */
.paper-service-right {
  background: rgba(255, 255, 255, 0.7);
  border-radius: 24px;
  padding: 24px;
  border: 1px solid rgba(200, 220, 255, 0.6);
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 32px rgba(37, 99, 235, 0.08);
}
.paper-service-right .service-content {
  display: none;
}
.paper-service-right .service-content.active {
  display: block;
}

/* 上部分 三个独立卡片 */
.top-cards-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 20px;
}
.top-card {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 16px;
  padding: 24px;
  border: 1px solid rgba(220, 220, 255, 0.5);
  backdrop-filter: blur(10px);
}

/* 下部分 整体大卡片 */
.bottom-big-card {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 16px;
  padding: 24px;
  border: 1px solid rgba(220, 220, 255, 0.5);
  backdrop-filter: blur(10px);
}
.big-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
/* 下方条目：超链接 + 悬浮底色 */
.big-card-item {
  display: block;
  text-decoration: none;
  padding: 12px 16px;
  border-radius: 8px;
  transition: all 0.2s ease;
  cursor: pointer;
}
.big-card-item:hover {
  background-color: rgba(37, 99, 235, 0.08);
}
.big-card-item h4 {
  font-size: 18px;
  font-weight: 600;
  color: #1a1a2e;
  margin: 0 0 8px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.big-card-item .tag {
  font-size: 12px;
  padding: 2px 8px;
  background: rgba(123, 97, 255, 0.1);
  color: #7b61ff;
  border-radius: 4px;
  font-weight: 500;
}
.big-card-item .item-desc {
  font-size: 14px;
  color: #64748b;
  margin: 0;
  line-height: 1.5;
}

/* 通用卡片样式（其他导航项） */
.service-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.service-card {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 16px;
  padding: 24px;
  border: 1px solid rgba(220, 220, 255, 0.5);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.1);
}
.card-title-row h3 {
  font-size: 18px;
  font-weight: 600;
  color: #1a1a2e;
  margin: 0 0 8px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-title-row .tag {
  font-size: 12px;
  padding: 2px 8px;
  background: rgba(123, 97, 255, 0.1);
  color: #7b61ff;
  border-radius: 4px;
  font-weight: 500;
}
.card-desc {
  font-size: 14px;
  color: #64748b;
  margin: 0 0 16px 0;
  line-height: 1.5;
}
.card-actions {
  display: flex;
  gap: 12px;
}
.btn-detect {
  background: linear-gradient(90deg, #f56c6c85 0%, #c4a1ff63 100%);
  color: #303133;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: opacity 0.3s ease;
}
.btn-detect:hover {
  opacity: 0.9;
}
.btn-try, .btn-detail {
  background: white;
  color: #333;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid #e2e8f0;
  transition: all 0.3s ease;
}
.btn-try:hover, .btn-detail:hover {
  background: #f8fafc;
}

/* 响应式适配 */
@media (max-width: 992px) {
  .paper-service-layout {
    grid-template-columns: 1fr;
  }
  .paper-service-left .paper-service-nav {
    display: flex;
    overflow-x: auto;
    padding-bottom: 10px;
    margin-bottom: 20px;
  }
  .paper-service-nav .nav-item {
    margin-bottom: 0;
    margin-right: 8px;
    flex-shrink: 0;
  }
  .top-cards-row, .big-card-grid, .service-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 576px) {
  .top-cards-row, .big-card-grid, .service-card-grid {
    grid-template-columns: 1fr;
  }
  .paper-service-right {
    padding: 16px;
  }
  .bottom-big-card {
    padding: 16px;
  }
}




/* 最新资讯 */
.case-section {
  padding: 60px 20px;
  background: linear-gradient(135deg, #fff 0%, #fff 100%);
}

.case-container {
  max-width: 1200px;
  margin: 0 auto;
}

/* 核心不规则网格布局 */
.case-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: auto auto auto;
  gap: 24px;
}

/* 卡片基础样式 */
.case-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.card-tag {
  display: inline-block;
  padding: 4px 10px;
  background: #eef4ff;
  color: #2563eb;
  font-size: 12px;
  border-radius: 4px;
  width: fit-content;
}

.card-logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-logo img {
  height: 24px;
  width: auto;
}

.card-logo span {
  font-size: 20px;
  font-weight: 600;
  color: #1e293b;
}

.card-text p {
  font-size: 14px;
  color: #333333;
  line-height: 1.6;
  margin: 0;
}

.card-footer {
  font-size: 12px;
  color: #64748b;
  margin-top: 12px;
}

.card-img {
  border-radius: 12px;
  overflow: hidden;
  margin-top: auto;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 卡片1：左上方大卡片 */
.case-card--large {
  grid-column: 1 / 2;
  grid-row: 1 / 3;
}
.case-card--large .card-img {
  height: 200px;
}

/* 卡片2：右上方上卡片 */
.case-card--right-top {
  grid-column: 2 / 4;
  grid-row: 1 / 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.case-card--right-top .card-tag,
.case-card--right-top .card-logo,
.case-card--right-top .card-text {
  grid-column: 1 / 2;
}
.case-card--right-top .card-img--side {
  grid-column: 2 / 3;
  grid-row: 1 / 4;
  margin-top: 0;
}
.case-card--right-top .card-img--side img {
  height: 100%;
}

/* 卡片3：右上方中卡片 */
.case-card--right-middle {
  grid-column: 2 / 3;
  grid-row: 2 / 3;
}

/* 卡片4：右上方下卡片 */
.case-card--right-bottom {
  grid-column: 3 / 4;
  grid-row: 2 / 3;
}

/* 卡片5：左下方上卡片 */
.case-card--left-bottom {
  grid-column: 1 / 2;
  grid-row: 3 / 4;
}

/* 卡片6：下方大卡片 */
.case-card--bottom-large {
  grid-column: 2 / 4;
  grid-row: 3 / 4;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
}
.case-card--bottom-large .card-tag,
.case-card--bottom-large .card-text {
  grid-column: 1 / 2;
}
.case-card--bottom-large .card-img--right {
  grid-column: 2 / 3;
  grid-row: 1 / 3;
  margin-top: 0;
}
.case-card--bottom-large .card-img--right img {
  height: 100%;
}

/* 响应式适配 */
@media (max-width: 992px) {
  .case-grid {
    grid-template-columns: 1fr 1fr;
  }
  .case-card--large {
    grid-column: 1 / 3;
    grid-row: 1 / 2;
  }
  .case-card--right-top {
    grid-column: 1 / 3;
    grid-row: 2 / 3;
  }
  .case-card--right-middle {
    grid-column: 1 / 2;
    grid-row: 3 / 4;
  }
  .case-card--right-bottom {
    grid-column: 2 / 3;
    grid-row: 3 / 4;
  }
  .case-card--left-bottom {
    grid-column: 1 / 2;
    grid-row: 4 / 5;
  }
  .case-card--bottom-large {
    grid-column: 2 / 3;
    grid-row: 4 / 5;
  }
}

@media (max-width: 576px) {
  .case-grid {
    grid-template-columns: 1fr;
  }
  .case-card {
    grid-column: auto !important;
    grid-row: auto !important;
    display: flex !important;
  }
  .case-card--right-top .card-img--side,
  .case-card--bottom-large .card-img--right {
    grid-column: auto;
    grid-row: auto;
    height: 150px;
  }
}





/* 1. footer底部 */
.footerAreaV2__grid {
  display: flex !important;
  flex-wrap: nowrap !important;
  gap: 40px !important;
  justify-content: flex-start !important;
  width: 100% !important;
}

/* 2. 列宽固定（保证换行） */
.footerAreaV2__col {
  flex: 0 0 120px !important;
}
.footerAreaV2__col--brand {
  flex: 0 0 280px !important;
}
.footerAreaV2__col--qrcode {
  flex: 0 0 200px !important;
}

/* 3. 文字强制换行 */
.footerAreaV2__aboutDesc,
.footerAreaV2__qrcodeDesc {
  word-wrap: break-word !important;
  white-space: normal !important;
}

/* 4. 主内容区：极致紧凑 */
.footerAreaV2__about {
  padding: 0;
  margin: 0;
}
.footerAreaV2__title {
  font-size: 16px;
  font-weight: bold;
  margin: 0 0 10px !important; /* 标题下间距：4px */
}
.footerAreaV2__links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footerAreaV2__links li {
  margin-bottom: 2px !important; /* 链接行距：2px，几乎贴在一起 */
}
.footerAreaV2__link {
  color: #999;
  text-decoration: none;
}
.footerAreaV2__link:hover {
  color: #fff;
}

/* 二维码区压缩

/* 二维码区压缩 */
.footerAreaV2__qrcodeDesc {
  margin: 2px 0 !important;
}
.footerAreaV2__qrcodeWrap {
  margin: 4px 0 !important;
}
.footerAreaV2__qrcodeBox {
  width: 60px !important;
  height: 60px !important;
}
.footerAreaV2__qrcodeBox img {
  width: 52px !important;
  height: 52px !important;
}
.footerAreaV2__contact {
  color: #999;
  font-size: 14px;
  margin: 0;
}

/* 5. 底部版权：压到最窄（关键） */

.footerAreaV2__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 12px !important;
  font-size: 13px !important; /* 字体再小一点 */
  color: #999;
  line-height: 1.2 !important; /* 行高压缩 */
}
.footerAreaV2__bottomLinks .footerAreaV2__link {
  color: #999;
  margin-right: 12px !important;
}
.footerAreaV2__copyrightWrap {
  margin-top: 2px !important; /* 版权上间距：2px */
  width: 100%;
}
.footerAreaV2__copyright {
  margin: 0;
  font-size: 14px !important;
  line-height: 1.2 !important;
}

/* 链接颜色 */
.footerAreaV2__link--blue {
  color: #409eff;
}
.footerAreaV2__link--purple {
  color: #9b59b6;
}
.footerAreaV2__link--pink {
  color: #ff69b4;
}





/* 常见问题 - 折叠精简版 */
.faq-wrap {
  width: 100%;
  padding: 40px 0;
  background: #f8faff;
}
.faq-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.faq-head {
  text-align: center;
  margin-bottom: 30px;
}
.faq-tag {
  display: inline-block;
  padding: 4px 14px;
  background: linear-gradient(90deg, #4080ff, #7b61ff);
  color: #fff;
  font-size: 13px;
  border-radius: 30px;
  margin-bottom: 8px;
}
.faq-main-title {
  font-size: 36px;
  color: #1a1a2e;
  font-weight: 700;
  margin: 0 0 6px;
}
.faq-sub-desc {
  font-size: 15px;
  color: #666;
  max-width: 600px;
  margin: 0 auto;
}

/* 布局 */
.faq-row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.faq-col {
  flex: 1;
  min-width: 48%;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* 卡片 */
.faq-card {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(64,128,255,0.06);
  overflow: hidden;
}
.faq-toggle {
  display: none;
}

/* 问题 */
.faq-question {
  display: flex;
  align-items: center;
  padding: 14px 18px;
  background: linear-gradient(90deg, #f0f6ff, #f5f2ff);
  cursor: pointer;
  user-select: none;
}
.q-icon {
  width: 24px;
  height: 24px;
  background: #4080ff;
  color: #fff;
  border-radius: 50%;
  font-size: 13px;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 10px;
  flex-shrink: 0;
}
.q-text {
  font-size: 15px;
  color: #1a1a2e;
  font-weight: 500;
}

/* 答案：隐藏 + 无图标 */
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 18px;
  font-size: 14px;
  color: #555;
  line-height: 1.6;
}
.faq-toggle:checked ~ .faq-answer {
  max-height: 200px;
  padding: 12px 18px;
  border-top: 1px dashed #e8ebf2;
}

/* 移动端 */
@media (max-width: 768px) {
  .faq-row {
    flex-direction: column;
  }
  .faq-col {
    min-width: 100%;
  }
  .faq-main-title {
    font-size: 24px;
  }
  .faq-wrap {
    padding: 30px 0;
  }
}

/* 最新资讯卡片更多…… */
.card-more {
  display: inline-block;
  margin-left: 8px;
  color: #007bff;
  font-size: 14px;
  text-decoration: none;
}
.card-more:hover {
  text-decoration: underline;
}


/* 新增hero头部logo标题样式，独立隔离不冲突 */
.hero-main-title {
    display: flex;
    align-items: center;
    margin: 0 0 24px 0;
    font-size: 22px;
    font-weight: 500;
    color: #111;
}
.hero-main-title > span:first-child {
    margin-right: 10px;
}
.hero-main-title > span:last-child {
    margin-left: 10px;
}
.hero-logo-wrap {
    width: 56px;
    height: 56px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    overflow: hidden;
}
.hero-logo-img {
    width: 44px;
    height: 44px;
    object-fit: contain;
}
.tag-official {
    background: #4368F7;
    color: #fff;
    padding: 2px 8px;
    border-radius: 5px;
    font-size: 12px;
}
.homeHero__right-top {
    padding-top: 35px;
}