/* =====================================================
   LazySEO — Case & Case Detail Pages
   高端商业级案例展示样式
   ===================================================== */

/* ---------- Banner ---------- */
.lz-case-banner{
  position:relative;
  background:linear-gradient(135deg,#0f172a 0%,#312e81 55%,#4c1d95 100%);
  color:#fff;
  padding:150px 0 110px;
  overflow:hidden;
}
.lz-case-banner--detail{padding:150px 0 80px}
.lz-banner-grid{
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:42px 42px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 70%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 70%);
  pointer-events:none;
}
.lz-case-banner .container{position:relative;z-index:2}
.lz-breadcrumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:.85rem;
  margin-bottom:18px;
}
.lz-breadcrumb a{color:rgba(255,255,255,.75);text-decoration:none;transition:color .3s}
.lz-breadcrumb a:hover{color:#fff}
.lz-breadcrumb span{color:rgba(255,255,255,.45)}
.lz-case-banner h1{
  font-size:clamp(2rem,5vw,3.4rem);
  font-weight:800;
  line-height:1.15;
  margin-bottom:18px;
  letter-spacing:-1px;
}
.lz-case-banner p{
  max-width:720px;
  font-size:1.05rem;
  color:rgba(255,255,255,.8);
  line-height:1.75;
}
.lz-banner-visual{
  position:absolute;
  right:0;
  top:50%;
  transform:translateY(-50%);
  width:360px;
  opacity:.92;
  pointer-events:none;
}
.lz-banner-visual img{width:100%;height:auto;filter:drop-shadow(0 30px 60px rgba(0,0,0,.35))}

/* ---------- Section ---------- */
.lz-section{padding:90px 0;background:var(--bg)}

/* ---------- Filter ---------- */
.lz-case-filter{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:center;
  margin-bottom:48px;
}
.lz-case-filter button{
  padding:10px 22px;
  border-radius:999px;
  border:1px solid var(--border);
  background:var(--card-bg);
  color:var(--text);
  font-size:.9rem;
  font-weight:600;
  cursor:pointer;
  transition:all .3s var(--ease);
}
.lz-case-filter button:hover{
  border-color:var(--accent);
  color:var(--accent);
  transform:translateY(-2px);
}
.lz-case-filter button.active{
  background:linear-gradient(135deg,var(--accent),#f59e0b);
  color:#fff;
  border-color:transparent;
  box-shadow:0 10px 28px -8px rgba(236,72,153,.45);
}

/* ---------- Case Grid ---------- */
.lz-case-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:32px;
}
.lz-case-card{
  display:flex;
  flex-direction:column;
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius-xl,20px);
  overflow:hidden;
  transition:all .4s var(--ease);
}
.lz-case-card:hover{
  transform:translateY(-8px);
  border-color:rgba(124,58,237,.35);
  box-shadow:0 26px 56px -12px rgba(15,23,42,.12);
}
.lz-case-visual{
  position:relative;
  height:230px;
  background:linear-gradient(135deg,#eef2ff,#f5f3ff);
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
}
.lz-case-visual img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .6s var(--ease);
}
.lz-case-card:hover .lz-case-visual img{transform:scale(1.06)}
.lz-case-icon{width:90px;height:90px;color:var(--primary);opacity:.8}
.lz-case-icon svg{width:100%;height:100%}
.lz-case-badge{
  position:absolute;
  top:18px;
  left:18px;
  padding:6px 14px;
  border-radius:999px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;
  font-size:.72rem;
  font-weight:700;
  letter-spacing:.5px;
  z-index:2;
}
.lz-case-body{padding:30px;display:flex;flex-direction:column;flex:1}
.lz-case-meta{
  display:flex;
  gap:16px;
  margin-bottom:14px;
  font-size:.8rem;
  color:var(--text-light);
}
.lz-case-meta span{display:flex;align-items:center;gap:6px}
.lz-case-meta svg{color:var(--primary)}
.lz-case-body h3{
  font-size:1.25rem;
  font-weight:800;
  color:var(--secondary);
  margin-bottom:12px;
  line-height:1.35;
}
.lz-case-body > p{
  font-size:.9rem;
  color:var(--text-secondary);
  line-height:1.7;
  margin-bottom:18px;
  flex:1;
}
.lz-case-result{
  display:flex;
  align-items:baseline;
  gap:10px;
  margin-bottom:20px;
  padding:12px 16px;
  background:linear-gradient(135deg,rgba(79,70,229,.06),rgba(236,72,153,.06));
  border-radius:12px;
}
.lz-case-result strong{
  font-size:1.5rem;
  font-weight:800;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
}
.lz-case-result span{font-size:.82rem;color:var(--text-secondary)}
.lz-case-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 24px;
  border-radius:12px;
  font-weight:700;
  font-size:.9rem;
  background:var(--bg-subtle);
  color:var(--secondary);
  border:1px solid var(--border);
  text-decoration:none;
  transition:all .3s;
  align-self:flex-start;
}
.lz-case-btn:hover{
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;
  border-color:transparent;
}

/* ---------- Pagination ---------- */
.lz-pagination{
  margin-top:54px;
  display:flex;
  justify-content:center;
  align-items:center;
  gap:8px;
}
.lz-pagination a,
.lz-pagination span{
  min-width:42px;
  height:42px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  border:1px solid var(--border);
  background:var(--card-bg);
  color:var(--text);
  font-size:.88rem;
  font-weight:600;
  text-decoration:none;
  transition:all .25s;
}
.lz-pagination a:hover{border-color:var(--accent);color:var(--accent)}
.lz-pagination span.current{background:linear-gradient(135deg,var(--accent),#f59e0b);color:#fff;border-color:transparent}

/* ---------- Empty ---------- */
.lz-empty{
  text-align:center;
  padding:90px 20px;
  color:var(--text-light);
}
.lz-empty-icon{
  width:90px;
  height:90px;
  margin:0 auto 22px;
  color:var(--primary);
  opacity:.7;
}
.lz-empty h3{font-size:1.4rem;color:var(--secondary);margin-bottom:8px}
.lz-empty p{font-size:.95rem}

/* ---------- Case Detail ---------- */
.lz-case-detail{display:flex;flex-direction:column;gap:36px}
.lz-case-hero{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:36px;
  align-items:stretch;
}
.lz-case-hero__visual{
  min-height:360px;
  background:linear-gradient(135deg,#eef2ff,#f5f3ff);
  border-radius:var(--radius-xl,20px);
  border:1px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
}
.lz-case-hero__visual img{width:100%;height:100%;object-fit:cover}
.lz-case-hero__visual--stage{padding:50px}
.lz-case-hero__visual--stage img{
  max-width:260px;
  width:100%;
  height:auto;
  min-height:auto;
  object-fit:contain;
}
.lz-case-hero__summary{
  display:flex;
  flex-direction:column;
  gap:24px;
}
.lz-case-hero__stats{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
}
.lz-case-hero__stats > div{
  padding:24px 16px;
  text-align:center;
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius-lg,16px);
}
.lz-case-hero__stats strong{
  display:block;
  font-size:1.6rem;
  font-weight:800;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  margin-bottom:4px;
}
.lz-case-hero__stats span{font-size:.78rem;color:var(--text-light)}
.lz-case-client{
  flex:1;
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius-lg,16px);
  padding:26px;
}
.lz-case-client h4{
  font-size:1rem;
  font-weight:800;
  color:var(--secondary);
  margin-bottom:16px;
}
.lz-case-client ul{list-style:none;padding:0;margin:0}
.lz-case-client li{
  display:flex;
  justify-content:space-between;
  padding:12px 0;
  border-bottom:1px solid var(--border);
  font-size:.88rem;
}
.lz-case-client li:last-child{border-bottom:none}
.lz-case-client li span{color:var(--text-light)}
.lz-case-client li strong{color:var(--secondary)}

.lz-case-body-detail{
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius-xl,20px);
  padding:40px;
}
.lz-detail-content{line-height:1.85;color:var(--text);font-size:1rem}

.lz-case-cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.lz-case-card-item{
  padding:30px;
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius-lg,16px);
  transition:all .35s;
}
.lz-case-card-item:hover{
  transform:translateY(-6px);
  border-color:rgba(124,58,237,.35);
  box-shadow:0 18px 40px -10px rgba(15,23,42,.1);
}
.lz-case-card-icon{
  width:54px;
  height:54px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:14px;
  background:linear-gradient(135deg,rgba(79,70,229,.1),rgba(236,72,153,.1));
  color:var(--primary);
  margin-bottom:18px;
}
.lz-case-card-item h4{font-size:1.05rem;font-weight:800;color:var(--secondary);margin-bottom:10px}
.lz-case-card-item p{font-size:.86rem;color:var(--text-secondary);line-height:1.7}

.lz-detail-nav{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
}
.lz-detail-nav a{
  padding:22px;
  border-radius:var(--radius-lg,16px);
  background:var(--card-bg);
  border:1px solid var(--border);
  text-decoration:none;
  transition:all .3s;
}
.lz-detail-nav a.next{text-align:right}
.lz-detail-nav a:hover{border-color:var(--accent);transform:translateY(-3px)}
.lz-detail-nav a span{display:block;font-size:.78rem;color:var(--text-light);margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}
.lz-detail-nav a strong{display:block;font-size:1rem;color:var(--secondary);line-height:1.35}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .lz-case-grid{grid-template-columns:1fr}
  .lz-banner-visual{width:280px}
  .lz-case-hero{grid-template-columns:1fr}
  .lz-case-cards{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .lz-case-banner{padding:110px 0 70px}
  .lz-banner-visual{display:none}
  .lz-case-cards{grid-template-columns:1fr}
  .lz-detail-nav{grid-template-columns:1fr}
  .lz-detail-nav a.next{text-align:left}
  .lz-case-body-detail{padding:26px}
  .lz-case-hero__visual{min-height:220px}
  .lz-case-hero__visual--stage{padding:30px}
}