/* ==================================================================
   风景照片栏 · 瀑布流式网格 + 灯箱
   ================================================================== */

/* ---------- 网格 ---------- */
.scenery{
  display:grid;
  gap:14px;
  grid-template-columns:repeat(auto-fill,minmax(210px,1fr));
  margin-top:22px;
}

.sc-item{
  position:relative;
  margin:0;
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--surface-2);
  border:1px solid var(--line-2);
  cursor:zoom-in;
  aspect-ratio:4/3;
  transition:transform .34s cubic-bezier(.2,.7,.3,1),box-shadow .34s,border-color .34s;
}
.sc-item:hover{
  transform:translateY(-4px);
  box-shadow:0 14px 34px -12px rgba(197,110,150,.4);
  border-color:var(--pink);
}
/* 悬停时压一层柔光，文字更易读 */
.sc-item::after{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(40,24,42,.62) 0,rgba(40,24,42,.14) 42%,transparent 66%);
  opacity:0;
  transition:opacity .34s;
  pointer-events:none;
}
.sc-item:hover::after{opacity:1}

.sc-item img{
  width:100%;height:100%;
  object-fit:cover;
  display:block;
  transition:transform .5s cubic-bezier(.2,.7,.3,1);
}
.sc-item:hover img{transform:scale(1.07)}

.sc-item figcaption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:14px 13px 11px;
  z-index:1;
  opacity:0;
  transform:translateY(7px);
  transition:opacity .34s,transform .34s;
}
.sc-item:hover figcaption{opacity:1;transform:none}
.sc-item figcaption span{
  font-size:12.6px;
  line-height:1.5;
  font-weight:600;
  color:#fff;
  text-shadow:0 1px 5px rgba(0,0,0,.5);
}

/* 首屏之上的前两张给点面积差异，避免死板 */
@media(min-width:900px){
  .sc-item:nth-child(1){grid-column:span 2;aspect-ratio:16/9}
  .sc-item:nth-child(5){aspect-ratio:1/1}
}

/* 移动端两列 */
@media(max-width:520px){
  .scenery{grid-template-columns:1fr 1fr;gap:10px}
  .sc-item{aspect-ratio:1/1}
  .sc-item:nth-child(1){grid-column:span 2;aspect-ratio:16/10}
}

/* ---------- 灯箱 ---------- */
.lightbox{
  position:fixed;inset:0;z-index:120;
  display:none;
  align-items:center;justify-content:center;
  padding:34px 20px 62px;
  background:rgba(32,18,32,.9);
  backdrop-filter:blur(10px);
}
.lightbox.open{display:flex;animation:fade .24s}

.lightbox img{
  max-width:min(1180px,100%);
  max-height:calc(100vh - 128px);
  object-fit:contain;
  border-radius:14px;
  box-shadow:0 26px 70px rgba(0,0,0,.6);
  animation:pop .3s cubic-bezier(.2,.8,.3,1);
}
@keyframes pop{from{opacity:0;transform:scale(.94)}to{opacity:1;transform:none}}

.lb-cap{
  position:absolute;
  left:0;right:0;bottom:20px;
  margin:0;
  text-align:center;
  font-size:14px;
  color:rgba(255,255,255,.9);
  letter-spacing:.3px;
}

.lb-close,.lb-nav{
  position:absolute;
  z-index:2;
  display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.12);
  color:#fff;
  border-radius:50%;
  cursor:pointer;
  transition:background .2s,transform .2s,border-color .2s;
}
.lb-close:hover,.lb-nav:hover{
  background:rgba(255,255,255,.26);
  transform:scale(1.08);
}

.lb-close{
  top:18px;right:20px;
  width:40px;height:40px;
  font-size:16px;
}
.lb-nav{
  top:50%;margin-top:-26px;
  width:46px;height:46px;
  font-size:27px;line-height:1;
  padding-bottom:4px;
}
.lb-prev{left:18px}
.lb-next{right:18px}

@media(max-width:560px){
  .lb-nav{width:38px;height:38px;font-size:22px}
  .lb-prev{left:8px}
  .lb-next{right:8px}
  .lightbox{padding:24px 12px 56px}
  .lb-cap{font-size:12.6px;bottom:14px;padding:0 16px}
}