/* 鸟类标本数字档案 — 移动优先，博物馆标签风格 */
:root{
  --ink:#14211c;
  --ink-soft:#3c4b44;
  --muted:#6d7b74;
  --paper:#f6f3ec;
  --paper-2:#efeade;
  --card:#fffdf8;
  --line:#e0d9c8;
  --line-strong:#cfc5ad;
  --accent:#1f5140;
  --accent-soft:#e4ece2;
  --gold:#a9782f;
  --radius:14px;
  --shadow:0 1px 2px rgba(20,33,28,.05), 0 8px 24px rgba(20,33,28,.06);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",SimSun,serif;
  --sans:system-ui,-apple-system,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%; scroll-behavior:smooth}
body{
  margin:0; background:var(--paper); color:var(--ink);
  font-family:var(--sans); font-size:16px; line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%; display:block}
a{color:var(--accent); text-decoration:none}
button{font:inherit; color:inherit}
h1,h2,h3{font-family:var(--serif); font-weight:600; line-height:1.35; margin:0}
[hidden]{display:none !important}

.skip{
  position:absolute; left:-999px; top:0; z-index:200;
  background:var(--accent); color:#fff; padding:10px 16px; border-radius:0 0 8px 0;
}
.skip:focus{left:0}

/* ---------- 顶栏 ---------- */
.topbar{
  position:sticky; top:0; z-index:60;
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  padding:10px 16px; padding-top:calc(10px + env(safe-area-inset-top));
  background:rgba(246,243,236,.88); backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.topbar__brand{display:flex; align-items:center; gap:9px; color:var(--ink); min-width:0}
.topbar__mark{
  flex:none; width:30px; height:30px; border-radius:50%;
  background:var(--accent); color:#f3efe4;
  font-family:var(--serif); font-size:15px;
  display:grid; place-items:center;
}
.topbar__text{
  font-family:var(--serif); font-size:15px; letter-spacing:.04em;
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.topbar__actions{display:flex; gap:8px; flex:none}

.btn{
  display:inline-flex; align-items:center; gap:6px;
  min-height:36px; padding:0 13px; border-radius:999px;
  border:1px solid var(--line-strong); background:var(--card);
  font-size:13.5px; cursor:pointer; white-space:nowrap;
  transition:background .15s, border-color .15s, transform .1s;
}
.btn:active{transform:scale(.97)}
.btn--ghost{background:transparent}
.btn--ghost:hover{background:var(--accent-soft); border-color:var(--accent)}
.btn--solid{background:var(--accent); border-color:var(--accent); color:#f7f4ec}

/* ---------- 英雄区 ---------- */
.hero{padding:34px 20px 26px; max-width:980px; margin:0 auto}
.hero__kicker{
  margin:0 0 10px; font-size:11.5px; letter-spacing:.22em; text-transform:uppercase;
  color:var(--gold); font-weight:600;
}
.hero__title{
  font-size:clamp(28px,7.4vw,44px); letter-spacing:.02em; margin:0 0 14px;
}
.hero__intro{
  margin:0; color:var(--ink-soft); font-size:15px; max-width:60ch;
  padding-left:14px; border-left:2px solid var(--line-strong);
}
.hero__meta{
  margin-top:18px; display:flex; flex-wrap:wrap; align-items:center; gap:8px;
  font-size:12.5px; color:var(--muted); letter-spacing:.02em;
}
.dot{opacity:.5}

/* ---------- 搜索 ---------- */
.toolbar{max-width:980px; margin:0 auto; padding:0 20px 18px}
.search{
  display:flex; align-items:center; gap:8px;
  background:var(--card); border:1px solid var(--line);
  border-radius:999px; padding:0 16px; height:46px;
  transition:border-color .15s, box-shadow .15s;
}
.search:focus-within{border-color:var(--accent); box-shadow:0 0 0 3px rgba(31,81,64,.1)}
.search__icon{color:var(--muted); font-size:17px; line-height:1}
.search input{
  flex:1; border:0; background:transparent; outline:none;
  font-size:14.5px; color:var(--ink); min-width:0;
}
.search input::placeholder{color:#9aa6a0}

/* ---------- 图录卡片 ---------- */
.grid{
  max-width:980px; margin:0 auto; padding:0 20px 40px;
  display:grid; gap:16px; grid-template-columns:1fr;
}
@media (min-width:640px){ .grid{grid-template-columns:1fr 1fr; gap:20px} }
@media (min-width:980px){ .grid{grid-template-columns:1fr 1fr 1fr} }

.card{
  display:flex; flex-direction:column; overflow:hidden;
  background:var(--card); border:1px solid var(--line);
  border-radius:var(--radius); box-shadow:var(--shadow);
  color:var(--ink);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s;
}
.card:hover{transform:translateY(-3px); box-shadow:0 2px 4px rgba(20,33,28,.05),0 14px 32px rgba(20,33,28,.1); border-color:var(--line-strong)}
.card__media{position:relative; aspect-ratio:4/3; background:var(--paper-2); overflow:hidden}
.card__media img{width:100%; height:100%; object-fit:cover; transition:transform .5s ease}
.card:hover .card__media img{transform:scale(1.04)}
.card__no{
  position:absolute; left:12px; top:12px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:11px;
  letter-spacing:.06em; padding:3px 8px; border-radius:6px;
  background:rgba(255,253,248,.92); color:var(--ink-soft);
  border:1px solid var(--line);
}
.card__body{padding:14px 16px 16px; display:flex; flex-direction:column; gap:6px; flex:1}
.card__name{font-size:19px; letter-spacing:.02em}
.card__sci{
  font-family:Georgia,"Times New Roman",serif; font-style:italic;
  font-size:13px; color:var(--muted);
}
.card__tax{
  margin-top:2px; font-size:12px; color:var(--accent);
  background:var(--accent-soft); align-self:flex-start;
  padding:2px 9px; border-radius:999px;
}
.card__foot{
  margin-top:auto; padding-top:10px; border-top:1px dashed var(--line);
  display:flex; justify-content:space-between; gap:10px;
  font-size:12px; color:var(--muted);
}
.empty{text-align:center; color:var(--muted); padding:40px 20px 60px}

/* ---------- 详情 ---------- */
.detail{max-width:980px; margin:0 auto; padding:0 0 40px}

.detail__head{padding:22px 20px 20px; border-bottom:1px solid var(--line)}
.crumb{
  font-size:12.5px; color:var(--muted); margin-bottom:14px;
  display:flex; align-items:center; gap:7px;
}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--accent)}
.detail__names{display:flex; flex-wrap:wrap; align-items:baseline; gap:10px 14px}
.detail__cn{font-size:clamp(26px,6.6vw,38px); letter-spacing:.02em}
.detail__en{font-size:13.5px; color:var(--muted); letter-spacing:.03em}
.detail__sci{
  font-family:Georgia,"Times New Roman",serif; font-style:italic;
  font-size:16px; color:var(--ink-soft); width:100%; margin-top:-4px;
}
.detail__tags{display:flex; flex-wrap:wrap; gap:7px; margin-top:14px}
.tag{
  font-size:12px; padding:3px 10px; border-radius:999px;
  border:1px solid var(--line-strong); color:var(--ink-soft); background:var(--card);
}
.tag--green{background:var(--accent-soft); border-color:#c3d5c6; color:var(--accent)}
.tag--gold{background:#f6eddd; border-color:#e3cfab; color:#8a6220}

/* 标本标签卡 */
.label{
  margin:20px 20px 0; padding:14px 16px;
  background:var(--card); border:1px solid var(--line-strong);
  border-left:3px solid var(--accent);
  border-radius:6px; box-shadow:var(--shadow);
  display:grid; gap:2px 18px;
  grid-template-columns:1fr;
  font-size:13.5px;
}
@media (min-width:560px){ .label{grid-template-columns:1fr 1fr} }
.label__row{display:flex; gap:10px; padding:5px 0; border-bottom:1px dotted var(--line); min-width:0}
.label__row:last-child{border-bottom:0}
.label__k{flex:none; width:5.2em; color:var(--muted); font-size:12.5px}
.label__v{color:var(--ink); word-break:break-word}
.label__v--mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:12.5px; letter-spacing:.03em}

/* 章节 */
.section{padding:30px 20px 0}
.section__head{display:flex; align-items:baseline; gap:10px; margin-bottom:12px}
.section__no{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:11.5px; color:var(--gold); letter-spacing:.1em; flex:none;
  padding-top:3px;
}
.section__title{font-size:19px; letter-spacing:.03em}
.section__note{font-size:12.5px; color:var(--muted); margin:-6px 0 12px 34px}
.section__body{font-size:15px; color:var(--ink-soft); line-height:1.85; margin:0}
.section__body + .section__body{margin-top:12px}
.section__body b{color:var(--ink)}

/* 测量数据 */
.facts{
  display:grid; grid-template-columns:repeat(2,1fr); gap:1px;
  background:var(--line); border:1px solid var(--line);
  border-radius:10px; overflow:hidden;
}
@media (min-width:640px){ .facts{grid-template-columns:repeat(3,1fr)} }
.fact{background:var(--card); padding:11px 14px}
.fact__k{font-size:11.5px; color:var(--muted); letter-spacing:.06em}
.fact__v{
  font-family:Georgia,"Times New Roman",serif; font-size:16.5px; color:var(--ink);
  letter-spacing:.02em;
}

/* 图集 */
.tabs{display:flex; gap:8px; overflow-x:auto; padding-bottom:10px; scrollbar-width:none; margin-bottom:10px}
.tabs::-webkit-scrollbar{display:none}
.tab{
  flex:none; border:1px solid var(--line-strong); background:var(--card);
  border-radius:999px; padding:6px 14px; font-size:13px; cursor:pointer;
  color:var(--ink-soft); transition:.15s;
}
.tab[aria-selected="true"]{background:var(--accent); border-color:var(--accent); color:#f7f4ec}

.strip{
  display:flex; gap:10px; overflow-x:auto; scroll-snap-type:x mandatory;
  padding-bottom:12px; scrollbar-width:thin; -webkit-overflow-scrolling:touch;
}
.shot{
  flex:none; width:86%; max-width:420px; scroll-snap-align:start;
  border-radius:10px; overflow:hidden; border:1px solid var(--line);
  background:var(--paper-2); cursor:zoom-in; position:relative;
}
@media (min-width:640px){ .shot{width:56%} }
.shot img{width:100%; aspect-ratio:4/3; object-fit:cover}
.shot__cap{
  position:absolute; left:0; right:0; bottom:0;
  padding:22px 12px 9px; font-size:12px; color:#fff;
  background:linear-gradient(transparent,rgba(15,26,21,.72));
}

/* 360° 转台 */
.turn{
  position:relative; border-radius:12px; overflow:hidden;
  border:1px solid var(--line); background:var(--paper-2);
  aspect-ratio:1; touch-action:pan-y; cursor:grab;
  user-select:none; -webkit-user-select:none;
}
.turn:active{cursor:grabbing}
.turn img{width:100%; height:100%; object-fit:cover; -webkit-user-drag:none}
.turn__hint{
  position:absolute; left:50%; bottom:14px; transform:translateX(-50%);
  display:flex; align-items:center; gap:8px;
  padding:7px 14px; border-radius:999px;
  background:rgba(20,33,28,.62); color:#f2efe6; font-size:12px;
  backdrop-filter:blur(4px); pointer-events:none; transition:opacity .4s;
}
.turn__tools{
  position:absolute; right:10px; top:10px; display:flex; gap:6px;
}
.turn__btn{
  width:34px; height:34px; border-radius:50%; border:0; cursor:pointer;
  background:rgba(255,253,248,.9); color:var(--ink);
  display:grid; place-items:center; font-size:14px;
}
.turn__frame{
  position:absolute; left:10px; top:10px;
  font-family:ui-monospace,monospace; font-size:11px;
  background:rgba(255,253,248,.9); padding:3px 8px; border-radius:6px;
  color:var(--ink-soft);
}

/* 视频 / 3D 占位 */
.media-card{
  border:1px solid var(--line); border-radius:12px; overflow:hidden;
  background:var(--card); box-shadow:var(--shadow);
}
.media-card__stage{position:relative; aspect-ratio:16/9; background:var(--paper-2); display:grid; place-items:center}
.media-card__stage img{width:100%; height:100%; object-fit:cover}
.media-card video{width:100%; display:block; background:#000}
.media-card__badge{
  position:absolute; left:10px; top:10px; font-size:11.5px;
  padding:3px 9px; border-radius:6px;
  background:rgba(20,33,28,.72); color:#f2efe6;
}
.media-card__body{padding:12px 14px; font-size:12.5px; color:var(--muted); line-height:1.6}
.media-card__body strong{color:var(--ink-soft)}

.placeholder{
  border:1px dashed var(--line-strong); border-radius:12px;
  padding:22px 18px; background:var(--card); text-align:center;
  color:var(--muted); font-size:13px; line-height:1.7;
}
.placeholder__title{
  font-family:var(--serif); font-size:15px; color:var(--ink-soft);
  margin-bottom:4px;
}
.placeholder code{
  font-family:ui-monospace,monospace; font-size:11.5px;
  background:var(--paper-2); padding:1px 6px; border-radius:4px; color:var(--ink-soft);
}

/* 页脚 */
.footer{
  border-top:1px solid var(--line); padding:26px 20px 40px;
  padding-bottom:calc(40px + env(safe-area-inset-bottom));
  text-align:center; color:var(--muted); font-size:12px; line-height:1.8;
}
.footer p{margin:0}
.footer__org{margin-top:6px; color:var(--ink-soft); letter-spacing:.04em}

/* ---------- 灯箱 ---------- */
.lightbox{
  position:fixed; inset:0; z-index:120; background:rgba(11,18,15,.95);
  display:flex; align-items:center; justify-content:center;
  padding:52px 12px 12px;
  animation:fade .2s ease;
}
@keyframes fade{from{opacity:0}to{opacity:1}}
.lightbox__figure{margin:0; max-width:100%; max-height:100%; display:flex; flex-direction:column; gap:10px; align-items:center}
.lightbox__figure img{max-height:76vh; max-width:100%; object-fit:contain; border-radius:8px}
.lightbox__figure figcaption{color:#cfd8d2; font-size:12.5px; text-align:center}
.lightbox__close{
  position:absolute; top:12px; right:12px; width:38px; height:38px;
  border-radius:50%; border:0; background:rgba(255,255,255,.14); color:#fff;
  font-size:22px; cursor:pointer;
}
.lightbox__nav{
  position:absolute; top:50%; transform:translateY(-50%);
  width:42px; height:42px; border-radius:50%; border:0;
  background:rgba(255,255,255,.14); color:#fff; font-size:26px; cursor:pointer;
}
.lightbox__nav--prev{left:10px}
.lightbox__nav--next{right:10px}

/* ---------- 二维码弹窗 ---------- */
.modal{
  position:fixed; inset:0; z-index:130; background:rgba(11,18,15,.6);
  display:grid; place-items:center; padding:20px;
  backdrop-filter:blur(3px);
}
.modal__card{
  position:relative; width:100%; max-width:330px;
  background:var(--card); border-radius:16px; padding:24px 22px 20px;
  text-align:center; box-shadow:0 20px 60px rgba(0,0,0,.28);
}
.modal__close{
  position:absolute; right:10px; top:8px; width:32px; height:32px;
  border:0; background:transparent; font-size:22px; color:var(--muted); cursor:pointer;
}
.modal__title{font-size:17px; margin-bottom:4px}
.modal__sub{font-size:12px; color:var(--muted); margin:0 0 16px}
.modal__qr{background:#fff; border-radius:10px; padding:10px; border:1px solid var(--line)}
.modal__qr img,.modal__qr svg{width:100%; height:auto; display:block}
.modal__hint{font-size:11.5px; color:var(--muted); margin:14px 0 0; line-height:1.6; word-break:break-all}
.modal__hint a{color:var(--accent)}
.modal__actions{margin:14px 0 0}

/* ---------- 打印：只打印二维码卡片 ---------- */
@media print{
  body{background:#fff}
  body > *{display:none !important}
  body > #qrModal{display:block !important; position:static; background:none; padding:0; backdrop-filter:none}
  .modal__card{box-shadow:none; border:1px solid #999; max-width:none; width:62mm; margin:0 auto; padding:6mm 5mm}
  .modal__close,.modal__hint,.modal__actions,.modal__sub{display:none !important}
  .modal__title{font-size:12pt; margin-bottom:3mm}
  .modal__qr{border:0; padding:0}
  @page{size:auto; margin:8mm}
}