.yh-cases-page{
  position: relative;
  background-color: #f7f8fa;
}
.yh-cases-page::before{
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  width: 100%;
  height: calc(100vw * 1914 / 3836);
  max-height: 960px;
  background: url("../images/youshi-bg.webp") center top / 100% 100% no-repeat;
  transform: scaleX(-1) scaleY(-1);
  transform-origin: center center;
  
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.45) 28%, #000 58%, #000 100%);
  mask-image: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.45) 28%, #000 58%, #000 100%);
  pointer-events: none;
  z-index: 0;
}
.yh-cases-page,
.yh-cases-page .site-footer{
  position: relative;
  z-index: 1;
}
.yh-cases-page .site-header{
  background: rgba(255, 255, 255, 0.92);
}
.yh-cases-page .cases-page-section{
  padding: 60px 0 0;
  background: transparent;
}
.yh-cases-page .cases-hero-title{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(24px, 4vw, 56px);
  margin: 0;
  text-align: left;
}
.yh-cases-page .cases-hero-copy{
  flex: 1 1 auto;
  min-width: 0;
  max-width: 560px;
  margin-bottom: 36px;
}
.yh-cases-page .cases-hero-title h1{
  margin: 0;
  color: #1c2330;
  font-size: clamp(36px, 4.8vw, 56px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.04em;
  text-align: left;
}
.yh-cases-page .cases-hero-title p{
  margin: 16px 0 0;
  color: #1c2330;
  font-size: clamp(16px, 1.6vw, 20px);
  font-weight: 400;
  line-height: 1.7;
  text-align: left;
}
.yh-cases-page .cases-hero-visual{
  flex: 0 0 auto;
  width: min(620px, 58%);
  margin-left: auto;
  pointer-events: none;
}
.yh-cases-page .cases-hero-visual img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}
.yh-cases-page .cases-panel{
  position: relative;
  z-index: 1;
  width: 100%;
  margin: 0;
  padding: 32px 0 80px;
  background: #f5f6f8;
  border: 0;
  border-radius: 30px 30px 0 0;
  outline: 4px solid rgba(255, 255, 255, 0.6);
  outline-offset: 0;
  box-sizing: border-box;
}
.yh-cases-page .cases-nav{
  display: flex;
  justify-content: flex-start;
  margin: 0 0 28px;
  padding: 0;
  background: transparent;
}
.yh-cases-page .cases-tabs{
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 12px;
  padding: 0;
  background: transparent;
  border-radius: 0;
  box-shadow: none;
}
.yh-cases-page .cases-tab{
  appearance: none;
  border: 0;
  margin: 0;
  padding: 12px 20px;
  border-radius: 8px;
  background: #fff;
  color: #3b4352;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.2;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(28, 35, 48, 0.04);
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}
.yh-cases-page .cases-tab:hover{
  color: #1c2330;
}
.yh-cases-page .cases-tab.is-active{
  background: #ff6b2c;
  color: #fff;
  box-shadow: 0 6px 16px rgba(255, 107, 44, 0.28);
}
.yh-cases-page .cases-grid{
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}
.yh-cases-page .cases-card{
  display: flex;
  flex-direction: column;
  min-width: 0;
  color: inherit;
  text-decoration: none;
  background: #fff;
  border: 1px solid rgba(28, 35, 48, 0.06);
  border-radius: 14px;
  overflow: hidden;
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}
.yh-cases-page .cases-card:hover{
  transform: translateY(-4px);
  border-color: rgba(255, 107, 44, 0.22);
  box-shadow: 0 16px 36px rgba(28, 35, 48, 0.08);
}
.yh-cases-page .cases-card-media{
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #eef1f5;
}
.yh-cases-page .cases-card-media img{
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}
.yh-cases-page .cases-card:hover .cases-card-media img{
  transform: scale(1.04);
}
.yh-cases-page .cases-card-body{
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 12px;
  padding: 16px 16px 14px;
}
.yh-cases-page .cases-card-tag{
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 107, 44, 0.1);
  color: #e86600;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.3;
}
.yh-cases-page .cases-card-body h3{
  margin: 0;
  color: #1c2330;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.yh-cases-page .cases-card-foot{
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-top: auto;
  padding-top: 6px;
}
.yh-cases-page .cases-card-logo-img{
  display: block;
  width: auto;
  max-width: none;
  height: 40px;
  object-fit: contain;
  object-position: left center;
}
.yh-cases-page .cases-empty{
  grid-column: 1 / -1;
  padding: 48px 16px;
  color: #8b93a1;
  font-size: 15px;
  text-align: center;
}
.yh-cases-page .cases-pager{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 36px;
}
.yh-cases-page .cases-pager[hidden]{
  display: none;
}
.yh-cases-page .cases-pager-btn{
  appearance: none;
  flex: 0 0 auto;
  min-width: 40px;
  height: 40px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid rgba(28, 35, 48, 0.1);
  background: #fff;
  color: #1c2330;
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.yh-cases-page .cases-pager-btn:hover:not(:disabled){
  border-color: rgba(255, 107, 44, 0.35);
  color: #ff6b2c;
}
.yh-cases-page .cases-pager-btn.is-active{
  background: #ff6b2c;
  border-color: #ff6b2c;
  color: #fff;
}
.yh-cases-page .cases-pager-btn:disabled{
  opacity: 0.4;
  cursor: not-allowed;
}
.yh-cases-page .page-case-detail{
  background-color: #f5f6f8;
  background-image: none;
  overflow-x: clip;
}
.yh-cases-page .page-case-detail::before{
  display: none;
}
.yh-cases-page .page-case-detail .site-header{
  background: rgba(255, 255, 255, 0.96);
}
.yh-cases-page .case-detail-section{
  padding: 30px 0 72px;
  background: transparent;
}
.yh-cases-page .case-detail-crumb{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  color: #8b93a1;
  font-size: 16px;
}
.yh-cases-page .case-detail-crumb a{
  color: #5b6575;
  text-decoration: none;
}
.yh-cases-page .case-detail-crumb a:hover{
  color: #ff6b2c;
}
.yh-cases-page .case-detail-layout{
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 28px;
  align-items: start;
}
.yh-cases-page .case-detail-main{
  min-width: 0;
}
.yh-cases-page .case-detail-head{
  margin-bottom: 20px;
  padding: 24px;
  background: #fff;
  border-radius: 16px;
  box-shadow: none;
}
.yh-cases-page .case-detail-brand{
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.yh-cases-page .case-detail-logo,
.yh-cases-page .case-detail-logo-fallback{
  display: block;
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: 14px;
  object-fit: contain;
  background: #f3f5f8;
}
.yh-cases-page .case-detail-logo-fallback{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  background: linear-gradient(145deg, #ffb26b, #ff6b2c);
}
.yh-cases-page .case-detail-brand-copy{
  min-width: 0;
  flex: 1;
}
.yh-cases-page .case-detail-brand-copy h1{
  margin: 0 0 10px;
  color: #1c2330;
  font-size: clamp(24px, 2.6vw, 32px);
  font-weight: 700;
  line-height: 1.3;
}
.yh-cases-page .case-detail-tags{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.yh-cases-page .case-detail-tag{
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(255, 107, 44, 0.1);
  color: #e86600;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.3;
}
.yh-cases-page .case-detail-summary{
  margin: 16px 0 0;
  color: #6b7380;
  font-size: 16px;
  line-height: 1.7;
}
.yh-cases-page .case-detail-actions{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
}
.yh-cases-page .page-case-detail .btn.btn-primary{
  height: 44px;
  min-height: 44px;
}
.yh-cases-page .case-detail-ghost{
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid rgba(28, 35, 48, 0.12);
  border-radius: 10px;
  color: #1c2330;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  background: #fff;
}
.yh-cases-page .case-detail-ghost:hover{
  border-color: rgba(255, 107, 44, 0.35);
  color: #ff6b2c;
}
.yh-cases-page .case-detail-blocks{
  display: grid;
  gap: 28px;
  padding: 28px 24px;
  background: #fff;
  border-radius: 16px;
  box-shadow: none;
}
.yh-cases-page .case-detail-block{
  padding: 0;
  background: transparent;
  border-radius: 0;
  box-shadow: none;
}
.yh-cases-page .case-detail-block-head{
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.yh-cases-page .case-detail-num{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: #ff6b2c;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
}
.yh-cases-page .case-detail-block-head h2{
  margin: 0;
  color: #1c2330;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
}
.yh-cases-page .case-detail-block-body p{
  margin: 0 0 12px;
  color: #444;
  font-size: 15px;
  line-height: 1.8;
}
.yh-cases-page .case-detail-block-body p:last-child{
  margin-bottom: 0;
}
.yh-cases-page .case-detail-bullets{
  margin: 0;
  padding-left: 1.1em;
  color: #444;
  font-size: 15px;
  line-height: 1.8;
}
.yh-cases-page .case-detail-bullets li + li{
  margin-top: 8px;
}
.yh-cases-page .case-detail-figure{
  margin: 14px 0 0;
  overflow: hidden;
  border-radius: 12px;
  background: #eef1f5;
}
.yh-cases-page .case-detail-figure img{
  display: block;
  width: 100%;
  height: auto;
}
.yh-cases-page .case-detail-nav{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 20px;
  padding: 18px 4px 0;
}
.yh-cases-page .case-detail-nav a{
  color: #1c2330;
  font-size: 16px;
  text-decoration: none;
}
.yh-cases-page .case-detail-nav a:hover{
  color: #ff6b2c;
}
.yh-cases-page .case-detail-nav-back{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  font-weight: 500;
}
.yh-cases-page .case-detail-nav-back-ico{
  font-size: 16px;
  line-height: 1;
}
.yh-cases-page .case-detail-nav-pager{
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
  min-width: 0;
}
.yh-cases-page .case-detail-aside{
  min-width: 0;
  align-self: stretch;
}
.yh-cases-page .case-detail-aside-sticky{
  position: sticky;
  top: calc(var(--header-h, 56px) + 16px);
  z-index: 2;
  display: grid;
  gap: 16px;
}
.yh-cases-page .case-side-card{
  padding: 20px;
  background: #fff;
  border-radius: 16px;
  box-shadow: none;
}
.yh-cases-page .case-side-card h3{
  margin: 0;
  color: #1c2330;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
}
.yh-cases-page .case-side-quiz-desc{
  margin: 8px 0 0;
  color: #8b93a1;
  font-size: 13px;
  line-height: 1.5;
}
.yh-cases-page .case-side-quiz-list{
  display: grid;
  gap: 10px;
  margin-top: 16px;
}
.yh-cases-page .case-side-quiz-item{
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 12px;
  border-radius: 10px;
  background: #f3f5f8;
  color: #1c2330;
  text-decoration: none;
  transition: background 0.2s ease;
}
.yh-cases-page .case-side-quiz-item:hover{
  background: #ebedf2;
}
.yh-cases-page .case-side-quiz-ico{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: #ff8f55;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}
.yh-cases-page .case-side-quiz-text{
  flex: 1;
  min-width: 0;
  color: #666666;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
}
.yh-cases-page .case-side-quiz-cta{
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  min-height: 46px;
  border-radius: 12px;
  background: #ff6b2c;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(255, 107, 44, 0.28);
}
.yh-cases-page .case-side-quiz-cta:hover{
  filter: brightness(1.04);
}
.yh-cases-page .case-side-products .case-side-product{
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 18px;
  padding: 14px;
  border-radius: 12px;
  background: #f3f5f8;
  color: inherit;
  text-decoration: none;
  transition: background 0.2s ease;
}
.yh-cases-page .case-side-products .case-side-product:hover{
  background: #ebedf2;
}
.yh-cases-page .case-side-products .case-side-product:hover strong{
  color: #ff6b2c;
}
.yh-cases-page .case-side-product-icon{
  width: 56px;
  height: 56px;
  border-radius: 8px;
  object-fit: cover;
  background: #d8dde6;
  flex-shrink: 0;
}
.yh-cases-page .case-side-product-copy{
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  padding-top: 2px;
}
.yh-cases-page .case-side-product-copy strong{
  color: #1c2330;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.35;
}
.yh-cases-page .case-side-product-copy em{
  color: #8b93a1;
  font-size: 13px;
  font-style: normal;
  line-height: 1.45;
}
.yh-cases-page .case-detail-loading{
  grid-column: 1 / -1;
  margin: 0;
  padding: 48px 16px;
  color: #8b93a1;
  text-align: center;
}
@media (max-width: 1100px){.yh-cases-page .cases-grid{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
.yh-cases-page .case-detail-layout{
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 20px;
  }

}
@media (max-width: 900px){.yh-cases-page .case-detail-layout{
    grid-template-columns: 1fr;
  }
.yh-cases-page .case-detail-aside-sticky{
    position: static;
  }

}
@media (max-width: 720px){.yh-cases-page .cases-page-section{
    padding-top: 60px;
  }
.yh-cases-page .cases-hero-title{
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 0;
  }
.yh-cases-page .cases-hero-copy{
    max-width: none;
  }
.yh-cases-page .cases-hero-visual{
    width: min(420px, 92%);
    margin: 8px 0 0 auto;
  }
.yh-cases-page .cases-panel{
    padding: 24px 0 56px;
    border-radius: 24px 24px 0 0;
  }
.yh-cases-page .cases-tabs{
    width: 100%;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
.yh-cases-page .cases-tabs::-webkit-scrollbar{
    display: none;
  }
.yh-cases-page .cases-tab{
    flex-shrink: 0;
    padding: 12px 16px;
    border-radius: 8px;
  }
.yh-cases-page .cases-grid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
.yh-cases-page .case-detail-section{
    padding-top: 30px;
  }
.yh-cases-page .case-detail-head,
.yh-cases-page .case-detail-blocks,
.yh-cases-page .case-side-card{
    padding: 18px 16px;
  }
.yh-cases-page .case-detail-block{
    padding: 0;
  }
.yh-cases-page .case-detail-logo,
.yh-cases-page .case-detail-logo-fallback{
    width: 80px;
    height: 80px;
  }

}
@media (max-width: 480px){.yh-cases-page .cases-grid{
    grid-template-columns: 1fr;
  }

}


/* Prevent legacy typography and generic mobile headers from leaking into cards. */
.yh-cases-page{padding-top:0;display:block;width:100%;overflow-x:clip;font-family:-apple-system,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;font-size:16px;line-height:1.6;color:#171a21;text-align:left;letter-spacing:-.01em}
.yh-cases-page *{font-family:inherit;word-break:normal}
.yh-cases-page>.cases-page-section{position:relative;z-index:1}
.yh-cases-page header.cases-hero-title{position:static;height:auto;min-height:0;padding:0;background:none;box-shadow:none;float:none;z-index:auto}
.yh-cases-page header.cases-hero-title img{max-height:none}
.yh-cases-page .cases-pager-btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none}
.yh-cases-page .cases-pager-btn.is-disabled{opacity:.4;cursor:default}
.yh-cases-page .cases-card-media.is-placeholder img{object-fit:contain;background:#edf1f7}
.yh-cases-page .cases-tab:focus-visible,.yh-cases-page .cases-card:focus-visible,.yh-cases-page .cases-pager-btn:focus-visible{outline:2px solid #ff7800;outline-offset:4px}
#casesTabs{scroll-margin-top:88px}
@media(max-width:767px){.yh-cases-page~#fixed_content{display:none!important}}

.yh-cases-page .cases-card-foot{gap:10px;min-width:0;}
.yh-cases-page .cases-card-logo-img{flex:0 0 40px;width:40px;height:40px;max-width:40px;object-fit:contain;object-position:center;}
.yh-cases-page .cases-card-name{min-width:0;font-size:14px;font-weight:600;line-height:1.5;color:#475569;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}