/*
 * 案例列表 hover（对齐参考站 .case_list）：
 * - 默认：暗色遮罩 + 居中 logo
 * - 悬停：居中 logo 缩小淡出，左右内容延迟滑入
 */

 .case-card {
  display: block;
  position: relative;
  width: 100%;
  min-height: 400px;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
}

.case-card__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-card-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  overflow: hidden;
  pointer-events: none;
}

/* 暗色遮罩：悬停时保留 30% 透明度 */
.case-card-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 1;
  transition: opacity 0.6s ease;
  background: rgba(0, 0, 0, 0.7);
}

.group:hover .case-card-overlay::before {
  opacity: 0.3;
}

/* 左右暗角：悬停时完全淡出 */
.case-card-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 1;
  transition: opacity 0.6s ease;
  background: linear-gradient(
    90deg,
    rgba(0, 0, 0, 1) 0%,
    rgba(0, 0, 0, 0.8) 18%,
    rgba(0, 0, 0, 0.6) 30%,
    rgba(0, 0, 0, 0.4) 40%,
    rgba(0, 0, 0, 0.2) 46%,
    rgba(0, 0, 0, 0.2) 54%,
    rgba(0, 0, 0, 0.4) 60%,
    rgba(0, 0, 0, 0.6) 70%,
    rgba(0, 0, 0, 0.8) 82%,
    rgba(0, 0, 0, 1) 100%
  );
}

.group:hover .case-card-overlay::after {
  opacity: 0;
}

.case-card-overlay > .container {
  position: relative;
  z-index: 1;
  height: 100%;
}

/* 默认居中 logo（参考 .logo_bai） */
.case-card-center {
  position: absolute;
  inset: 0;
  z-index: 20;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.case-card-center img {
  position: absolute;
  inset: 0;
  margin: auto;
  max-width: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

.group:hover .case-card-center {
  opacity: 0;
  transform: scale(0.8);
}

/* 悬停左侧（参考 .con_l） */
.case-card-hover-left {
  position: relative;
  top: 50%;
  float: left;
  width: 40%;
  margin-top: -80px;
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.group:hover .case-card-hover-left {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.6s ease 0.3s, transform 0.6s ease 0.3s;
}

.case-card-hover-left__logo {
  position: relative;
  padding-bottom: 20px;
  line-height: 0;
}

.case-card-hover-left__logo img {
  display: block;
  max-height: 50px;
  /* min-height: 20px; */
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

.case-card-hover-left__logo::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  opacity: 0.2;
  background-image: linear-gradient(to left, transparent 0%, #fff 50%, #fff 100%);
}

.case-card-hover-left__txt {
  width: 80%;
  padding-top: 18px;
  font-size: 16px;
  line-height: 1.875;
  font-weight: 300;
  color: #fff;
}

/* 悬停右侧箭头（参考 .con_r） */
.case-card-hover-right {
  position: absolute;
  right: 0;
  top: 0;
  width: 50%;
  height: 100%;
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 1.25rem;
}

.group:hover .case-card-hover-right {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.6s ease 0.3s, transform 0.6s ease 0.3s;
}

@media (max-width: 1002px) {
  .case-card {
    min-height: 300px;
  }

  .case-card-hover-left {
    width: 50%;
  }
}

@media (max-width: 758px) {
  .case-card {
    min-height: 200px;
  }

  .case-card-hover-left {
    width: 70%;
    margin-top: -60px;
  }

  .case-card-hover-left__logo {
    padding-bottom: 10px;
  }

  .case-card-hover-left__logo img {
    max-height: 40px;
    min-height: 30px;
  }

  .case-card-hover-left__txt {
    width: 100%;
    padding-top: 10px;
    font-size: 14px;
  }

  .case-card-hover-right {
    background-size: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .case-card-overlay::before,
  .case-card-overlay::after,
  .case-card-center,
  .case-card-hover-left,
  .case-card-hover-right {
    transition-duration: 0.01ms;
    transition-delay: 0ms;
  }
}