/*
 * 核心功能页（/features/*）专用样式
 * 依赖 apps.css（banner/slick-card/func-list/btn-apps）与 sites.css（section/accordion/center-heading）
 */

/* 数字信任条 */
.feat-stats {
  background: linear-gradient(135deg, #16233f, #2b2bb2 60%, #2b8edb);
  color: #fff;
  padding: 48px 0;
}
.feat-stats .stat-item {
  text-align: center;
  padding: 12px 8px;
}
.feat-stats .stat-item strong {
  display: block;
  font-size: 42px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: 0.5px;
}
.feat-stats .stat-item strong em {
  font-style: normal;
  font-size: 24px;
  margin-left: 2px;
  opacity: 0.9;
}
.feat-stats .stat-item span {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.78);
}

/* 上手三步 */
.feat-steps .step {
  text-align: center;
  padding: 10px 18px;
  position: relative;
}
.feat-steps .step .no {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  background-image: linear-gradient(79deg, #1366ec 0%, #8e13ec 60%, #ec138a 100%);
  box-shadow: 0 8px 20px rgba(142, 19, 236, 0.28);
}
.feat-steps .step h4 {
  font-size: 18px;
  margin-bottom: 10px;
  color: #000;
}
.feat-steps .step p {
  font-size: 13.5px;
  color: #666;
  line-height: 1.75;
  margin: 0;
}
.feat-steps .step .dl {
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  color: #2890c8;
}
@media (min-width: 992px) {
  .feat-steps .step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 38px;
    right: -14px;
    width: 28px;
    height: 2px;
    background: linear-gradient(90deg, #8e13ec, #ec138a);
    opacity: 0.5;
  }
}

/* 底部强 CTA */
.feat-cta .banner-content {
  padding: 90px 0;
  display: block;
  text-align: center;
}
.feat-cta .banner-content h2 {
  color: #fff;
  font-size: 34px;
  margin-bottom: 14px;
}
.feat-cta .banner-content p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
  margin-bottom: 26px;
}

/* 痛点卡片（为什么需要 XXX） */
.feat-pain-list .pain-card {
  background: #fff;
  border: 1px solid #e6ebf1;
  border-radius: 12px;
  padding: 24px 24px 22px;
  position: relative;
  overflow: hidden;
  height: 100%;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}
.feat-pain-list .pain-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #1366ec, #8e13ec, #ec138a);
}
.feat-pain-list .pain-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(31, 39, 51, 0.09);
}
.feat-pain-list .pain-card .no {
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(90deg, #1366ec, #ec138a);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.feat-pain-list .pain-card h3 {
  font-size: 17px;
  margin: 12px 0 8px;
  color: #000;
}
.feat-pain-list .pain-card p {
  font-size: 13.5px;
  color: #5b6675;
  line-height: 1.75;
  margin: 0;
}

/* 锚点偏移（首页核心特性跳转时避免被 sticky 顶栏遮挡） */
.feat-page .func-list h3[id] {
  scroll-margin-top: 90px;
}

@media (max-width: 767px) {
  .feat-stats {
    padding: 34px 0;
  }
  .feat-stats .stat-item strong {
    font-size: 32px;
  }
}

/* 覆盖 apps.css 的能力配图宽度 */
.func-list div.img img {
  width: 80%;
}