/* 竖向滚动图廊 + 质感进场动效 */
#lb{position:fixed;inset:0;z-index:99999;display:none;background:#141414;overflow-y:auto;overflow-x:hidden;
  -webkit-overflow-scrolling:touch}
#lb.on{display:block}
#lb::-webkit-scrollbar{width:0;height:0;display:none}   /* 隐藏滚动条，走滚轮/触摸/键盘 */
#lb{scrollbar-width:none}
#lb-feed{width:100%;max-width:100%}
.lb-item{min-height:96vh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:2.5vh;padding:4vh 4vw;box-sizing:border-box}

/* 图片：缩放淡入 */
.lb-imgwrap{display:flex;align-items:center;justify-content:center}
.lb-item img{max-height:80vh;max-width:min(46vw,520px);width:auto;height:auto;object-fit:contain;
  box-shadow:0 18px 50px rgba(0,0,0,.55);border-radius:2px;
  opacity:0;transform:translateY(46px) scale(.92);will-change:opacity,transform;
  transition:opacity .85s ease,transform 1s cubic-bezier(.16,.84,.3,1)}
.lb-item.in img{opacity:1;transform:none}

/* caption：错位延迟淡入 */
.lb-cap{max-width:640px;text-align:center;color:#fff;
  opacity:0;transform:translateY(22px);
  transition:opacity .8s ease .18s,transform .9s cubic-bezier(.16,.84,.3,1) .18s}
.lb-item.in .lb-cap{opacity:1;transform:none}
.lb-cap h2{font-size:30px;line-height:1.3;margin:0 0 14px;font-weight:700;letter-spacing:.02em;
  font-family:"Songti SC","STSong",serif}
.lb-cap p{font-size:16px;line-height:1.95;color:#d6d6d6;margin:0;
  font-family:"Songti SC","STSong",serif}

#lb-close{position:fixed;top:2.4vh;right:2.4vw;width:46px;height:46px;cursor:pointer;z-index:100001;
  display:flex;align-items:center;justify-content:center;font-size:32px;color:#fff;opacity:.75;line-height:1;
  background:rgba(20,20,20,.5);border-radius:50%}
#lb-close:hover{opacity:1}
#lb-hint{position:fixed;bottom:2.2vh;left:0;width:100%;text-align:center;color:#999;font-size:13px;
  letter-spacing:.08em;z-index:100001;pointer-events:none;text-shadow:0 1px 6px rgba(0,0,0,.8)}

/* 中文字体改宋体：英文仍用原站字体"s"，中文回退 Songti SC */
.h-title-a,.h-title,#h-title-w,#nav,.nav-a{font-family:"s","Songti SC","STSong",serif !important}

@media (max-aspect-ratio:1/1){
  .lb-item img{max-width:86vw;max-height:72vh}
  .lb-cap{max-width:86vw}.lb-cap h2{font-size:22px}.lb-cap p{font-size:15px}
}

/* ==== 隐藏页面文字(舅舅写真版) ==== */
/* 标题文字透明但保留点击热区——display:none 会让灯箱点不开 */
.h-title-a { color: transparent !important; }
/* 顶部导航「群响 七周年」整块隐藏 */
#nav, .nav-a { display: none !important; }
/* 页脚作品名 */
.w-footer-link-title, .w-footer-exp { display: none !important; }
/* 灯箱里的说明文字 */
#lb-txt { display: none !important; }