/* ============================================================
   和拍图录 · 前台样式 v2
   设计原则：以图片为主体，文字只做必要注解；深色画廊底 + 金色细节
   ============================================================ */
:root{
  /* 色板 */
  --bg:#0e0d0b;
  --surface:#17150f;
  --surface-2:#211e17;
  --paper:#f2ece1;
  --muted:#8d867b;
  --gold:#c2a163;
  --gold-soft:#e0cb9c;
  --line:rgba(255,255,255,.07);
  --line-gold:rgba(194,161,99,.32);
  /* 版式 */
  --serif:"Songti SC","STSong","Source Han Serif SC","Noto Serif SC",Georgia,"SimSun",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  /* 尺度 */
  --radius:12px;
  --shadow:0 18px 44px rgba(0,0,0,.5);
  --page-max:1500px;
  --pad-x:clamp(14px,3vw,32px);
  --gap:clamp(10px,1.4vw,18px);
  --bar-h:56px;
  --tap:44px;
  --safe-t:env(safe-area-inset-top,0px);
  --safe-b:env(safe-area-inset-bottom,0px);
  --safe-l:env(safe-area-inset-left,0px);
  --safe-r:env(safe-area-inset-right,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
html,body{margin:0;padding:0}
body{
  background:var(--bg);color:var(--paper);
  font-family:var(--sans);font-size:15px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
::selection{background:var(--gold);color:#1a150c}

/* 仅供读屏软件与搜索引擎的标题，不影响视觉 */
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:36px;padding:0 15px;border-radius:999px;border:1px solid var(--line-gold);
  background:transparent;color:var(--paper);font-size:13px;letter-spacing:.5px;
  cursor:pointer;transition:.2s;white-space:nowrap;
}
.btn:hover{border-color:var(--gold);color:var(--gold-soft)}
.btn-gold{background:linear-gradient(135deg,#d4b473,#a3813d);border-color:transparent;color:#1d1710;font-weight:600}
.btn-gold:hover{color:#1d1710;filter:brightness(1.08)}
.icon-btn{
  width:36px;height:36px;flex:0 0 36px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:transparent;color:var(--paper);
  font-size:16px;line-height:1;cursor:pointer;transition:.2s;
}
.icon-btn:hover{border-color:var(--gold);color:var(--gold-soft)}

/* ============================================================
   顶栏（首页 / 详情页共用一条 56px 细栏）
   ============================================================ */
.topbar{
  position:sticky;top:0;z-index:60;
  display:flex;align-items:center;gap:10px;
  height:calc(var(--bar-h) + var(--safe-t));
  padding:0 calc(var(--pad-x) + var(--safe-r)) 0 calc(var(--pad-x) + var(--safe-l));
  padding-top:var(--safe-t);
  background:rgba(14,13,11,.82);
  backdrop-filter:saturate(150%) blur(16px);
  -webkit-backdrop-filter:saturate(150%) blur(16px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:baseline;gap:9px;min-width:0;flex:0 0 auto}
.brand b{font-family:var(--serif);font-size:19px;letter-spacing:3px;font-weight:600;white-space:nowrap}
.brand i{font-style:normal;font-size:10px;color:var(--gold);letter-spacing:2px;text-transform:uppercase;white-space:nowrap}
.topbar .spacer{margin-left:auto}

/* 搜索：桌面常驻，窄屏点击图标展开覆盖整条栏 */
.search{position:relative;display:flex;align-items:center;margin-left:auto}
.search .field{position:relative;display:flex;align-items:center}
.search input{
  width:210px;height:36px;padding:0 38px 0 15px;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  color:var(--paper);font-size:13.5px;outline:none;transition:width .25s,border-color .2s;
}
.search input::placeholder{color:#6b665e}
.search input:focus{border-color:var(--line-gold);width:265px}
.search .go{
  position:absolute;right:4px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border:0;border-radius:50%;
  background:transparent;color:var(--muted);font-size:14px;cursor:pointer;
}
.search .go:hover{color:var(--gold)}
.search-toggle{display:none}
@media(max-width:719px){
  .search{position:static}
  .search-toggle{display:flex}
  .search .field{
    position:absolute;left:0;right:0;top:var(--safe-t);height:var(--bar-h);z-index:3;
    padding:0 calc(var(--pad-x) + var(--safe-r) + 46px) 0 calc(var(--pad-x) + var(--safe-l));
    background:var(--bg);display:none;
  }
  .topbar.searching .search .field{display:flex}
  /* 展开时放大镜按钮浮在输入框之上，再点一次收起 */
  .topbar.searching .search-toggle{position:relative;z-index:4;border-color:var(--line-gold);color:var(--gold-soft)}
  .search input{width:100%}
  .search input:focus{width:100%}
  .search .go{right:calc(var(--pad-x) + var(--safe-r) + 51px)}
}

/* ============================================================
   首页：封面网格（信息叠在图上，没有多余卡片框）
   ============================================================ */
.page{max-width:var(--page-max);margin:0 auto;
  padding:clamp(16px,2.6vw,30px) calc(var(--pad-x) + var(--safe-r)) 56px calc(var(--pad-x) + var(--safe-l))}

.result-line{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin:0 0 16px;color:var(--muted);font-size:13px;letter-spacing:.5px;
}
.result-line b{color:var(--gold-soft);font-family:var(--serif);font-weight:600}
.result-line a{color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:1px}
.result-line a:hover{color:var(--gold)}

.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap)}
@media(min-width:720px){.grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1080px){.grid{grid-template-columns:repeat(4,1fr)}}
@media(min-width:1500px){.grid{grid-template-columns:repeat(5,1fr)}}

.tile{
  position:relative;display:block;overflow:hidden;border-radius:var(--radius);
  background:var(--surface);aspect-ratio:3/4;isolation:isolate;
  transition:transform .3s cubic-bezier(.2,.7,.3,1),box-shadow .3s;
}
.tile picture{display:block;width:100%;height:100%}
.tile img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.3,1)}
.tile::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(to top,rgba(6,5,4,.92) 0%,rgba(6,5,4,.55) 26%,rgba(6,5,4,0) 58%);
}
.tile-count{
  position:absolute;top:10px;right:10px;z-index:2;
  padding:3px 9px;border-radius:999px;font-size:11px;letter-spacing:.5px;
  color:var(--gold-soft);background:rgba(10,9,7,.55);border:1px solid var(--line-gold);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.tile-cap{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:14px 14px 13px}
.tile-cap h3{
  margin:0;font-family:var(--serif);font-size:clamp(15px,3.6vw,17.5px);
  font-weight:600;letter-spacing:.8px;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  text-shadow:0 1px 8px rgba(0,0,0,.6);
}
.tile-cap .sub{
  margin-top:3px;color:#b7b0a4;font-size:11px;letter-spacing:.3px;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.tile-cap .date{display:block;margin-top:7px;color:var(--gold);font-size:11px;letter-spacing:1.2px}
@media(hover:hover){
  .tile:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
  .tile:hover img{transform:scale(1.06)}
}
.tile:active{transform:scale(.99)}

/* 空态 / 分页 */
.empty{padding:90px 20px;text-align:center;color:var(--muted)}
.empty b{display:block;font-family:var(--serif);color:var(--paper);font-size:19px;margin-bottom:8px;letter-spacing:1.5px}

.pager{display:flex;justify-content:center;padding:34px 0 4px}
.pager ul{display:flex;gap:6px;list-style:none;margin:0;padding:0;flex-wrap:wrap;justify-content:center}
.pager a,.pager span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:36px;height:36px;padding:0 11px;border-radius:999px;
  border:1px solid var(--line);font-size:13px;color:var(--muted);transition:.2s;
}
.pager a:hover{border-color:var(--gold);color:var(--gold-soft)}
.pager .active span,.pager li.active span{background:var(--gold);color:#1d1710;border-color:var(--gold);font-weight:600}

/* 页脚：一行 */
.site-footer{
  padding:22px var(--pad-x) calc(26px + var(--safe-b));text-align:center;
  color:#5f5a53;font-size:11.5px;letter-spacing:.8px;border-top:1px solid var(--line);
}
.site-footer span{margin:0 8px;white-space:nowrap;display:inline-block}

/* ============================================================
   图录详情：顶栏承载全部说明，正文只剩图片
   ============================================================ */
.topbar .bar-title{min-width:0;display:flex;align-items:baseline;gap:10px;flex:1}
.topbar .bar-title h1,.topbar .bar-title b{margin:0;font-weight:600;
  font-family:var(--serif);font-size:clamp(15px,3.8vw,18px);font-weight:600;letter-spacing:1.2px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.topbar .bar-title i{font-style:normal;color:var(--gold);font-size:11.5px;letter-spacing:1px;white-space:nowrap}
/* 窄屏放不下一行，改为上下两行，张数与日期照常显示 */
@media(max-width:560px){
  .topbar .bar-title{flex-direction:column;align-items:flex-start;gap:0;line-height:1.25}
  .topbar .bar-title h1,.topbar .bar-title b{margin:0;font-weight:600;max-width:100%}
  .topbar .bar-title i{font-size:10.5px;letter-spacing:.8px}
}

.intro{
  max-width:820px;margin:0 auto;padding:22px var(--pad-x) 4px;text-align:center;
}
.intro .en{color:var(--gold);font-size:11px;letter-spacing:2px;text-transform:uppercase}
.intro p{margin:8px 0 0;color:var(--muted);font-size:13px;line-height:1.85}

/* 瀑布流：保持原图比例不裁剪，且按拍品顺序从左到右排列 */
.shots{
  max-width:var(--page-max);margin:0 auto;
  padding:clamp(14px,2.4vw,26px) calc(var(--pad-x) + var(--safe-r)) 60px calc(var(--pad-x) + var(--safe-l));
  display:grid;grid-template-columns:repeat(1,1fr);gap:var(--gap);align-items:start;
}
@media(min-width:640px){.shots{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1080px){.shots{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1600px){.shots{grid-template-columns:repeat(4,1fr)}}
/* JS 接管后按真实高度分配行，消除行间空隙 */
.shots.masonry{row-gap:0}
.shot{
  margin:0;position:relative;overflow:hidden;border-radius:var(--radius);
  background:var(--surface);cursor:zoom-in;
  transition:box-shadow .3s,transform .3s;
}
/* 未知尺寸时用 3:4 占位；模板会以图片真实比例覆盖，从而完全不裁剪 */
.shot{aspect-ratio:3/4}
.shot picture{display:block;width:100%;height:100%}
.shot img{width:100%;height:100%;display:block;object-fit:cover}
.shot figcaption{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  display:flex;gap:9px;align-items:baseline;
  padding:26px 13px 11px;font-size:12px;color:#cdc6ba;
  background:linear-gradient(to top,rgba(6,5,4,.88),rgba(6,5,4,0));
  opacity:.94;transition:opacity .25s;
}
.shot figcaption b{color:var(--gold-soft);font-family:var(--serif);font-size:12.5px;letter-spacing:1.4px;white-space:nowrap}
.shot figcaption span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.shot .zoom{
  position:absolute;top:10px;right:10px;z-index:2;width:30px;height:30px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(10,9,7,.5);border:1px solid var(--line-gold);color:var(--gold-soft);font-size:14px;
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  opacity:0;transition:opacity .25s;
}
@media(hover:hover){
  .shot:hover{box-shadow:var(--shadow)}
  .shot:hover .zoom{opacity:1}
}
@media(hover:none){.shot .zoom{opacity:.9}}

/* ---------- 触摸端：可点区域 44px ---------- */
@media(pointer:coarse){
  .btn{min-height:var(--tap)}
  .icon-btn{width:var(--tap);height:var(--tap);flex:0 0 var(--tap)}
  .pager a,.pager span{min-width:var(--tap);height:var(--tap)}
}
/* iOS 输入框字号 <16px 聚焦会放大页面 */
@media(max-width:819px){ .search input{font-size:16px} }
@media(min-width:820px){ body{font-size:16px} }
@media(max-width:400px){ .brand i{display:none} }

/* ============================================================
   沉浸阅读 / 放大查看器（结构由 viewer.js 生成，勿改类名）
   ============================================================ */
.cv{position:fixed;inset:0;z-index:200;background:#0b0a08;display:none;overflow:hidden;touch-action:none;user-select:none}
.cv.open{display:block}
.cv-stage{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;overflow:hidden}
.cv-slide{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  will-change:transform;transition:transform .28s cubic-bezier(.22,.8,.28,1),opacity .28s;
}
.cv-slide.no-anim{transition:none}
.cv-slide img{
  max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;
  transition:transform .22s ease;transform-origin:center center;
  -webkit-user-drag:none;
}
.cv-slide img.zoomed{transition:none}
.cv-spinner{
  position:absolute;left:50%;top:50%;width:34px;height:34px;margin:-17px 0 0 -17px;border-radius:50%;
  border:2px solid rgba(194,161,99,.25);border-top-color:var(--gold);animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

.cv-top{
  position:absolute;left:0;right:0;top:0;z-index:5;display:flex;align-items:center;gap:10px;
  padding:12px 14px;padding-top:calc(12px + var(--safe-t));
  background:linear-gradient(to bottom,rgba(0,0,0,.72),transparent);color:var(--paper);
}
.cv-top .title{font-family:var(--serif);font-size:clamp(13.5px,3.6vw,16px);letter-spacing:1px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cv-top .spacer{margin-left:auto}
.cv-icon{
  width:36px;height:36px;flex:0 0 36px;border-radius:50%;border:1px solid rgba(255,255,255,.16);
  background:rgba(20,18,15,.5);color:var(--paper);font-size:15px;line-height:1;cursor:pointer;
  display:flex;align-items:center;justify-content:center;backdrop-filter:blur(6px);
}
.cv-icon:active{background:rgba(194,161,99,.3)}

.cv-bottom{
  position:absolute;left:0;right:0;bottom:0;z-index:5;
  padding:10px 14px calc(12px + var(--safe-b));
  background:linear-gradient(to top,rgba(0,0,0,.78),transparent);
}
.cv-caption{display:flex;gap:10px;align-items:baseline;justify-content:center;margin-bottom:8px;min-height:20px}
.cv-caption b{color:var(--gold);font-family:var(--serif);font-size:clamp(13px,3.4vw,15px);letter-spacing:1.5px}
.cv-caption span{color:#cfc9bd;font-size:clamp(12px,3.2vw,13.5px);max-width:70vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cv-bar{display:flex;align-items:center;gap:10px}
.cv-thumbs{display:flex;gap:6px;overflow-x:auto;padding:4px 2px;scrollbar-width:none}
.cv-thumbs::-webkit-scrollbar{display:none}
.cv-thumbs button{
  flex:0 0 auto;width:44px;height:44px;padding:0;border-radius:8px;overflow:hidden;
  border:1px solid rgba(255,255,255,.12);background:#000;opacity:.62;cursor:pointer;transition:.2s;
}
.cv-thumbs button img{width:100%;height:100%;object-fit:cover}
.cv-thumbs button.active{opacity:1;border-color:var(--gold);box-shadow:0 0 0 1px var(--gold)}
.cv-page{
  font-family:var(--serif);font-size:13px;color:#ded8cc;letter-spacing:1px;white-space:nowrap;
  padding:6px 12px;border:1px solid rgba(255,255,255,.12);border-radius:999px;background:rgba(20,18,15,.4);
}
.cv-grid{
  position:absolute;inset:0;z-index:6;background:rgba(11,10,8,.97);display:none;
  padding:14px;padding-top:calc(60px + var(--safe-t));overflow-y:auto;
}
.cv-grid.open{display:block}
.cv-grid-inner{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;max-width:900px;margin:0 auto}
@media(min-width:640px){.cv-grid-inner{grid-template-columns:repeat(4,1fr)}}
@media(min-width:1024px){.cv-grid-inner{grid-template-columns:repeat(6,1fr)}}
.cv-grid-inner button{padding:0;border:1px solid rgba(255,255,255,.1);border-radius:10px;overflow:hidden;background:#000;position:relative;cursor:pointer}
.cv-grid-inner button img{width:100%;aspect-ratio:1;object-fit:cover;opacity:.85}
.cv-grid-inner button span{position:absolute;left:6px;bottom:4px;font-size:11px;color:#e9e4d8;text-shadow:0 1px 3px #000}
.cv-grid-inner button.active{border-color:var(--gold)}

.cv-tip{
  position:absolute;left:50%;bottom:calc(96px + var(--safe-b));transform:translateX(-50%);
  padding:8px 16px;border-radius:999px;background:rgba(20,18,15,.85);border:1px solid var(--line-gold);
  color:var(--gold-soft);font-size:clamp(12px,3.2vw,13px);letter-spacing:.5px;z-index:7;
  transition:opacity .6s;pointer-events:none;max-width:88vw;text-align:center;
}
.cv-tip.hide{opacity:0}
.cv-zoombar{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:4;display:none;color:var(--muted);font-size:12px}

@supports(height:100dvh){.cv{height:100dvh}}
@media(pointer:coarse){.cv-thumbs button{width:52px;height:52px}}
@media(min-width:820px){
  .cv-icon{width:42px;height:42px;flex:0 0 42px;font-size:16px}
  .cv-thumbs button{width:56px;height:56px}
  .cv-caption span{max-width:56vw}
  .cv-bottom{padding-bottom:calc(16px + var(--safe-b))}
}
@media(min-width:1024px){
  .cv-bottom{padding-left:calc(20px + var(--safe-l));padding-right:calc(20px + var(--safe-r))}
  .cv-top{padding-left:calc(20px + var(--safe-l));padding-right:calc(20px + var(--safe-r))}
}
/* 横屏矮屏：压缩上下控件，画面留给图片 */
@media(orientation:landscape) and (max-height:560px){
  .cv-top{padding-top:calc(6px + var(--safe-t));padding-bottom:6px}
  .cv-bottom{padding-top:2px;padding-bottom:calc(4px + var(--safe-b))}
  .cv-icon{width:32px;height:32px;flex:0 0 32px;font-size:14px}
  .cv-thumbs button{width:34px;height:34px}
  .cv-caption{margin-bottom:2px;min-height:0}
  .cv-caption b{font-size:13px}
  .cv-caption span{font-size:12px}
  .cv-page{font-size:12px;padding:4px 10px}
  .cv-tip{bottom:auto;top:calc(50px + var(--safe-t));padding:6px 14px;font-size:12px}
}
@media(orientation:landscape) and (max-height:420px){
  .cv-tip{display:none}
  .cv-thumbs button{width:30px;height:30px}
}

/* ---------- 后台顶栏兼容（admin.css 之外的补丁，保留） ---------- */
.admin-header nav > *{flex:0 0 auto}
.admin-header nav > span,.admin-header nav .btn{white-space:nowrap}
@media(max-width:719px){
  .admin-header nav{gap:6px}
  .admin-header nav .btn{padding:8px 12px;font-size:12.5px}
}