/* Hero 区域 */
.hero-section {
    height: 65vh;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.6)), url('../images/banner.avif') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 76px;
}

/* Facebook投放介绍 */
.fb-promo-section {
  padding: 70px 0;
  background: linear-gradient(135deg, #f8fafc 0%, #eef4fc 100%);
  border-bottom: 1px solid #e8eef5;
}

.fb-promo-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 50px;
  background: rgba(24, 119, 242, 0.1);
  color: #1877f2;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.fb-promo-title {
  font-size: 1.85rem;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.35;
}

.fb-promo-desc {
  font-size: 1.05rem;
  line-height: 1.85;
  margin-bottom: 20px;
}

.fb-promo-list {
  list-style: none;
  padding: 0;
  margin: 0 0 8px;
}

.fb-promo-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
  color: #555;
  font-size: 0.98rem;
}

.fb-promo-list i {
  color: var(--accent);
  margin-top: 3px;
  flex-shrink: 0;
}

.fb-promo-card {
  background: #fff;
  border-radius: 16px;
  padding: 28px 26px;
  box-shadow: 0 12px 36px rgba(0, 86, 179, 0.1);
  border: 1px solid #e8eef5;
  border-top: 4px solid #1877f2;
  padding-top: 10px;
}

.fb-promo-card-head {
  margin-bottom: 10px;
  border-bottom: 1px solid #eef2f7;
}

.fb-promo-card-head h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #222;
}

.fb-promo-card-head p {
  font-size: 0.88rem;
  color: #888;
}

.fb-promo-stats-grid {
  display: flex;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.fb-promo-stat-box {
  flex: 1;
  text-align: center;
  padding: 16px 10px;
  border-radius: 12px;
  background: rgba(0, 86, 179, 0.06);
  border: 1px solid rgba(0, 86, 179, 0.08);
}

.fb-promo-stat-box.accent {
  background: rgba(255, 106, 0, 0.06);
  border-color: rgba(255, 106, 0, 0.12);
}

.fb-promo-stat-box.success {
  background: rgba(40, 167, 69, 0.06);
  border-color: rgba(40, 167, 69, 0.12);
}

.fb-promo-stat-box i {
  display: block;
  font-size: 1.25rem;
  margin-bottom: 8px;
  color: var(--primary);
}

.fb-promo-stat-box.accent i {
  color: var(--accent);
}

.fb-promo-stat-box.success i {
  color: #28a745;
}

.fb-promo-stat-box .stat-num {
  display: block;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}

.fb-promo-stat-box.accent .stat-num {
  color: var(--accent);
}

.fb-promo-stat-box.success .stat-num {
  color: #28a745;
}

.fb-promo-stat-box .stat-label {
  display: block;
  margin-top: 4px;
  font-size: 0.75rem;
  color: #777;
  line-height: 1.3;
}

.fb-promo-services {
  padding: 16px;
  border-radius: 12px;
  background: #f8fafc;
  margin-bottom: 18px;
}

.fb-promo-services-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: #555;
  margin-bottom: 12px;
}

.fb-promo-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.fb-promo-tags span {
  display: inline-block;
  padding: 5px 12px;
  font-size: 0.8rem;
  color: #444;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 50px;
}

.fb-promo-card-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 16px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff !important;
  font-size: 0.95rem;
  font-weight: 600;
  transition: background 0.25s ease, transform 0.25s ease;
}

.fb-promo-card-link:hover {
  background: #004494;
  transform: translateY(-1px);
}

@media (max-width: 978px) {
  .fb-promo-section {
    padding: 40px 0;
  }

  .fb-promo-title {
    font-size: 1.45rem;
  }

  .fb-promo-stats-grid {
    gap: 6px;
  }

  .fb-promo-stat-box {
    text-align: center;
    padding: 14px 8px;
  }

  .fb-promo-stat-box i {
    margin-bottom: 0;
    font-size: 1.4rem;
  }

  .fb-promo-stat-box .stat-num,
  .fb-promo-stat-box .stat-label {
    display: block;
  }

  .fb-promo-stat-box .stat-label {
    margin-left: 6px;
  }
}

/* 核心业务卡片 */
.service-card {
    background: #fff;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: all 0.4s ease;
    text-align: center;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,86,179,0.15);
    background: var(--primary);
    color: #fff;
}

.service-card:hover .icon-box, 
.service-card.active p {
    color: #fff !important;
}


.icon-box {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 20px;
}

/* 数据模块 */
.stats-bar{
  background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.6)), url('../images/data-bg.jpg') center/cover;
}

/* 服务模块 */
.service-list li {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.service-list i {
    color: var(--accent);
    margin-right: 10px;
}

/* 为什么选择我们 */
.whyussection{
  background: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.4)), url('../images/bt-hero-bg.avif') center/cover;
}

.whyussection .bg-dark{
    background-color: rgba(0, 0, 0, 0.6) !important;
}

/* ==============================
   首页扩展模块
   ============================== */

/* 为什么选择飞猫 - 优势卡片 */
.advantage-card {
  display: flex;
  align-items: flex-start;
  gap: 22px;
  background: #fff;
  border-radius: 15px;
  padding: 32px 28px;
  box-shadow: 0 8px 28px rgba(0,0,0,0.06);
  transition: all 0.4s ease;
  height: 100%;
}

.advantage-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 45px rgba(0,86,179,0.12);
}

.advantage-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(255,106,0,0.12), rgba(255,106,0,0.06));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--accent);
  flex-shrink: 0;
}

.advantage-body h5 {
  font-weight: 700;
  margin-bottom: 8px;
  font-size: 1.08rem;
}

.advantage-body p {
  font-size: 0.92rem;
  color: #666;
  line-height: 1.8;
  margin: 0;
}

/* 精选案例预览卡片 */
.case-preview-card {
  background: #fff;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.07);
  transition: all 0.4s ease;
  height: 100%;
}

.case-preview-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0,86,179,0.14);
}

.case-preview-card .case-img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  display: block;
}

.case-preview-card .case-body {
  padding: 26px;
}

.case-tag {
  display: inline-block;
  background: rgba(255,106,0,0.1);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 10px;
}

.case-preview-card h4 {
  font-weight: 700;
  font-size: 1.08rem;
  margin-bottom: 8px;
}

.case-preview-card p {
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 18px;
}

.case-metrics {
  display: flex;
  gap: 16px;
  border-top: 1px solid #f0f0f0;
  padding-top: 16px;
}

.metric-item {
  text-align: center;
  flex: 1;
}

.metric-num {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary);
  display: block;
}

.metric-label {
  font-size: 0.76rem;
  color: #999;
}

/* 客户评价卡片 */
.testimonial-card {
  background: #fff;
  border-radius: 15px;
  padding: 35px 30px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.06);
  position: relative;
  height: 100%;
}

.testimonial-card::before {
  content: "\201C";
  font-size: 5rem;
  color: var(--accent);
  opacity: 0.12;
  position: absolute;
  top: 10px;
  left: 20px;
  line-height: 1;
  font-family: Georgia, serif;
}

.testimonial-card p {
  font-size: 0.96rem;
  color: #555;
  line-height: 1.85;
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-author img {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(0,86,179,0.12);
}

.testimonial-author .author-info strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
}

.testimonial-author .author-info span {
  font-size: 0.82rem;
  color: #999;
}

.star-rating {
  color: #ffc107;
  font-size: 0.88rem;
  margin-bottom: 14px;
}