/* 琉光逸彩 · 摄影作品站 —— 极简风格 */
:root{
  --ink:#141414;
  --ink-2:#4a4a4a;
  --muted:#9a9a96;
  --paper:#ffffff;
  --soft:#f5f5f2;
  --line:#e7e7e2;
  --red:#c1272d;
  --sans:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --serif:"Songti SC","SimSun","Noto Serif SC",Georgia,serif;
  --maxw:1280px;
  --pad:32px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:15px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}

/* ---------- 占位符 ---------- */
.ph{
  color:#b06a2c;background:#fdf6ee;
  border-bottom:1px dashed #e0b483;padding:0 4px;border-radius:3px;
  font-size:.94em;
}

/* ---------- 页头 ---------- */
.hd{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.hd-in{
  max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);
  height:66px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:11px}
.brand .mark{width:34px;height:34px;flex:none;display:block}
.brand .bt{display:flex;flex-direction:column;width:max-content;line-height:1.06}
.brand .cn{font-family:var(--serif);font-size:17px;letter-spacing:.2em;margin-right:-.2em;
  font-weight:600;text-align:center;white-space:nowrap}
/* LUSTREPHOTO 逐字符两端分布，严格与中文行等宽 */
.brand .en{display:flex;justify-content:space-between;align-items:baseline;
  font-style:normal;font-size:9px;color:var(--muted);text-transform:uppercase;
  margin-top:3px;letter-spacing:0}
.brand .en span{flex:none}
.nav{display:flex;gap:26px;align-items:center}
.nav a{
  font-size:13.5px;letter-spacing:.08em;color:var(--ink-2);
  padding:6px 0;border-bottom:1px solid transparent;transition:.2s;
}
.nav a:hover{color:var(--ink)}
.nav a.on{color:var(--ink);border-bottom-color:var(--red)}
/* 后台管理：与常规导航之间加一道细分隔 */
.nav a.admin{position:relative}
.nav a.admin::before{
  content:"";position:absolute;left:-13px;top:50%;transform:translateY(-50%);
  width:1px;height:13px;background:var(--line);
}
.nav a.admin:hover{color:var(--red)}
@media(max-width:700px){
  .hd-in{height:auto;min-height:56px;flex-wrap:wrap;padding:9px 16px;row-gap:4px;gap:10px}
  .hero{height:calc(86vh - 104px)}
  .hero .hx{padding-bottom:66px}
  .brand{gap:8px}
  .brand .mark{width:26px;height:26px}
  .brand .cn{font-size:15px;letter-spacing:.15em;margin-right:-.15em}
  .brand .en{font-size:7.5px;margin-top:2px}
  /* 窄屏：导航折到第二行并可横向滑动，不挤破头部 */
  .nav{width:100%;flex-wrap:nowrap;justify-content:flex-start;gap:18px;
    overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:2px 0 1px}
  .nav::-webkit-scrollbar{display:none}
  .nav a{font-size:12.5px;letter-spacing:.02em;white-space:nowrap}
  .nav a.admin::before{left:-9px;height:11px}
}

/* ---------- 容器 ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
@media(max-width:760px){.wrap{padding:0 18px}}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;height:calc(86vh - 66px);min-height:520px;
  display:flex;align-items:flex-end;overflow:hidden;background:#111;
}
.hero .bg{position:absolute;inset:0;object-fit:cover;width:100%;height:100%;opacity:.92}
.hero .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.18) 0%,rgba(0,0,0,.05) 42%,rgba(0,0,0,.62) 100%)}
.hero .hx{position:relative;z-index:2;width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--pad) 74px;color:#fff}
/* 下滑提示：暗示首屏下面还有内容 */
.scroll-cue{
  position:absolute;left:50%;bottom:20px;transform:translateX(-50%);z-index:3;
  display:flex;flex-direction:column;align-items:center;gap:7px;
  color:rgba(255,255,255,.72);font-size:10px;letter-spacing:.34em;
  text-transform:uppercase;transition:color .25s;
}
.scroll-cue:hover{color:#fff}
.scroll-cue i{display:block;width:1px;height:26px;background:currentColor;opacity:.75}
.scroll-cue b{font-weight:400}
.hero h1{
  font-family:var(--serif);font-size:clamp(30px,5.2vw,62px);font-weight:600;
  letter-spacing:.14em;margin:0 0 14px;line-height:1.25;
}
.hero .en{font-size:12px;letter-spacing:.5em;text-transform:uppercase;opacity:.82;margin-bottom:20px}
.hero .lead{max-width:620px;font-size:15px;color:rgba(255,255,255,.88);margin:0}
.hero .empty{position:absolute;inset:0;display:grid;place-items:center;color:#6d6d6d;font-size:13px;letter-spacing:.16em}

/* ---------- 区块 ---------- */
.sec{padding:84px 0}
.sec.tight{padding:56px 0}
#spaces{scroll-margin-top:76px}
.sec-h{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.sec-h h2{
  font-family:var(--serif);font-size:clamp(21px,2.6vw,30px);font-weight:600;
  letter-spacing:.12em;margin:0;
}
.sec-h p{color:var(--muted);font-size:13px;letter-spacing:.06em;margin:0}
.sec-note{color:var(--ink-2);font-size:14.5px;max-width:720px;margin:0 0 8px}

/* ---------- 两个空间入口 ---------- */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.duo a{
  position:relative;display:block;aspect-ratio:4/3;overflow:hidden;
  background:var(--soft);border:1px solid var(--line);
}
.duo img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.3,1)}
.duo a:hover img{transform:scale(1.035)}
.duo .mask{
  position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 38%,rgba(0,0,0,.66) 100%);
  display:flex;flex-direction:column;justify-content:flex-end;padding:30px;color:#fff;
}
.duo .mask .t{font-family:var(--serif);font-size:22px;letter-spacing:.16em;font-weight:600}
.duo .mask .s{font-size:12px;letter-spacing:.2em;opacity:.8;margin-top:6px;text-transform:uppercase}
.duo .noimg{position:absolute;inset:0;display:grid;place-items:center;color:var(--muted);font-size:12.5px;letter-spacing:.1em}
@media(max-width:700px){.duo{grid-template-columns:1fr}}

/* ---------- 筛选 ---------- */
.filters{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:30px;border-bottom:1px solid var(--line);padding-bottom:16px}
.filters button{
  font-family:inherit;font-size:13px;letter-spacing:.06em;color:var(--ink-2);
  background:none;border:1px solid transparent;border-radius:999px;padding:6px 15px;cursor:pointer;transition:.18s;
}
.filters button:hover{color:var(--ink);background:var(--soft)}
.filters button.on{color:#fff;background:var(--ink);border-color:var(--ink)}

/* ---------- 画廊（瀑布流：按图片真实比例铺格，JS 写 grid-row-end）---------- */
.grid{
  --row-h:6px;
  display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));
  grid-auto-rows:var(--row-h);gap:10px;grid-auto-flow:dense;
}
.cell{position:relative;overflow:hidden;background:var(--soft);cursor:zoom-in;border:0;padding:0;
  grid-row-end:span 40;height:100%}
.cell img{width:100%;height:100%;object-fit:cover;transition:opacity .45s,transform .8s cubic-bezier(.2,.7,.3,1)}
.cell:hover img{transform:scale(1.03)}
.cell .cap{
  position:absolute;left:0;right:0;bottom:0;padding:34px 16px 14px;
  background:linear-gradient(180deg,rgba(0,0,0,0) 0%,rgba(0,0,0,.62) 100%);
  color:#fff;opacity:0;transition:opacity .3s;text-align:left;
}
.cell:hover .cap{opacity:1}
.cell .cap b{display:block;font-size:13.5px;font-weight:600;letter-spacing:.04em}
.cell .cap span{font-size:11.5px;opacity:.82;letter-spacing:.06em}
.skeleton{aspect-ratio:4/3;background:linear-gradient(100deg,#f0f0ee 30%,#e6e6e3 50%,#f0f0ee 70%);background-size:200% 100%;animation:sk 1.3s infinite}
@keyframes sk{0%{background-position:200% 0}100%{background-position:-200% 0}}
@media(prefers-reduced-motion:reduce){.skeleton{animation:none}}

/* ---------- 首页子分类方块墙 ---------- */
.cat-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.cat-tile{
  position:relative;display:block;aspect-ratio:4/3;overflow:hidden;
  background:var(--soft);border:1px solid var(--line);
}
.cat-tile img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.3,1)}
.cat-tile:hover img{transform:scale(1.04)}
.cat-tile .cat-name{
  position:absolute;left:0;right:0;bottom:0;padding:42px 16px 14px;
  background:linear-gradient(180deg,rgba(0,0,0,0) 0%,rgba(0,0,0,.68) 100%);
  color:#fff;font-size:14px;letter-spacing:.2em;font-weight:500;
}
.cat-tile .noimg{position:absolute;inset:0;display:grid;place-items:center;
  color:var(--muted);font-size:13px;letter-spacing:.16em}
@media(max-width:700px){.cat-wall{grid-template-columns:repeat(2,1fr);gap:8px}}

.empty-note{
  padding:72px 0;text-align:center;color:var(--muted);font-size:13.5px;letter-spacing:.08em;
  border:1px dashed var(--line);
}

/* ---------- 灯箱 ---------- */
.lb{position:fixed;inset:0;z-index:200;background:rgba(12,12,12,.95);display:none;align-items:center;justify-content:center}
.lb.open{display:flex}
.lb img{max-width:94vw;max-height:86vh;object-fit:contain;box-shadow:0 20px 70px rgba(0,0,0,.5)}
.lb .info{
  position:absolute;left:0;right:0;bottom:0;padding:24px 32px;color:#fff;
  display:flex;justify-content:space-between;align-items:flex-end;gap:20px;
}
.lb .info b{font-size:15px;font-weight:600;letter-spacing:.05em}
.lb .info span{display:block;font-size:12.5px;opacity:.68;margin-top:4px}
.lb .x{position:absolute;top:22px;right:26px;background:none;border:0;color:#fff;font-size:26px;cursor:pointer;opacity:.7;line-height:1}
.lb .x:hover{opacity:1}
.lb .nav-btn{
  position:absolute;top:50%;transform:translateY(-50%);background:none;border:0;color:#fff;
  font-size:30px;cursor:pointer;opacity:.5;padding:20px;
}
.lb .nav-btn:hover{opacity:1}
.lb .prev{left:8px}.lb .next{right:8px}

/* ---------- 文字页 ---------- */
.prose{max-width:760px}
.prose h3{
  font-family:var(--serif);font-size:17px;font-weight:600;letter-spacing:.1em;
  margin:38px 0 12px;padding-left:13px;border-left:3px solid var(--red);
}
.prose p{margin:14px 0;color:var(--ink-2);font-size:14.6px}
.prose p b{color:var(--ink);font-weight:600}
.prose .meta-row{display:flex;flex-wrap:wrap;gap:34px;margin:30px 0;padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.prose .meta-row div{font-size:13.5px;color:var(--muted)}
.prose .meta-row b{display:block;color:var(--ink);font-size:14.5px;font-weight:600;letter-spacing:.04em;margin-top:3px}

/* ---------- 页脚 ---------- */
.ft{border-top:1px solid var(--line);margin-top:20px;padding:44px 0 56px}
.ft-in{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);display:flex;justify-content:space-between;gap:28px;flex-wrap:wrap}
.ft .wordmark{font-family:var(--serif);font-size:16px;letter-spacing:.2em;font-weight:600}
.ft .sm{font-size:12.5px;color:var(--muted);letter-spacing:.06em;margin-top:8px;line-height:2}
.ft a.quiet{color:var(--muted);border-bottom:1px solid var(--line)}
.ft a.quiet:hover{color:var(--ink)}

/* ---------- 板块题词（经文） ---------- */
.epigraph{
  margin:24px 0 0;padding:20px 0 0;border-top:1px solid var(--line);
  font-family:var(--serif);max-width:760px;
}
.epigraph p{margin:0;font-size:17.5px;letter-spacing:.05em;line-height:1.8;color:var(--ink)}
.epigraph p.en{
  margin:10px 0 0;font-size:13.5px;letter-spacing:0;line-height:1.85;
  color:var(--ink-2);max-width:660px;
}
.epigraph cite{
  display:block;margin-top:12px;font-family:var(--sans);font-style:normal;
  font-size:11.5px;letter-spacing:.12em;color:var(--muted);
}

/* ---------- 后台 ---------- */
.admin-shell{max-width:1000px;margin:0 auto;padding:48px var(--pad) 80px}
.card{border:1px solid var(--line);border-radius:12px;padding:28px;background:var(--paper)}
.card + .card{margin-top:18px}
.card h3{font-family:var(--serif);font-size:18px;font-weight:600;letter-spacing:.1em;margin:0 0 6px}
.card .sub{font-size:13px;color:var(--muted);margin:0 0 20px}
.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;letter-spacing:.08em;color:var(--muted);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:14px;color:var(--ink);
  padding:11px 13px;border:1px solid var(--line);border-radius:8px;background:#fcfcfb;
}
.field textarea{resize:vertical;min-height:74px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--ink);background:#fff}
.btn{
  font-family:inherit;font-size:13.5px;letter-spacing:.06em;cursor:pointer;
  padding:11px 22px;border-radius:8px;border:1px solid var(--ink);
  background:var(--ink);color:#fff;transition:.18s;
}
.btn:hover{background:#000}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.ghost{background:none;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{background:var(--soft);border-color:var(--ink)}
.btn.danger{background:none;color:var(--red);border-color:#eccfce}
.btn.danger:hover{background:#fdf3f2}
.btn.sm{padding:7px 14px;font-size:12.5px;border-radius:7px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.tabs{display:flex;gap:4px;margin-bottom:22px;border-bottom:1px solid var(--line)}
.tabs button{
  font-family:inherit;font-size:13.5px;background:none;border:0;border-bottom:2px solid transparent;
  color:var(--muted);padding:10px 16px;cursor:pointer;letter-spacing:.06em;
}
.tabs button.on{color:var(--ink);border-bottom-color:var(--red)}
.msg{margin-top:14px;font-size:13.5px;padding:11px 14px;border-radius:8px;display:none}
.msg.show{display:block}
.msg.err{background:#fdf3f2;color:#a5322c;border:1px solid #eccfce}
.msg.ok{background:#f2f8f4;color:#256b4d;border:1px solid #cde5d8}
.hint{font-size:12.5px;color:var(--muted);line-height:1.7}
.hint code{background:var(--soft);padding:1px 5px;border-radius:4px;font-size:12px}
.drop{
  border:1.5px dashed var(--line);border-radius:10px;padding:30px;text-align:center;
  color:var(--muted);font-size:13.5px;cursor:pointer;transition:.18s;background:#fcfcfb;
}
.drop:hover,.drop.over{border-color:var(--ink);color:var(--ink);background:var(--soft)}
.thumb-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:14px;margin-top:20px}
.thumb-item{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fcfcfb}
.thumb-item .im{aspect-ratio:4/3;overflow:hidden;background:var(--soft)}
.thumb-item .im img{width:100%;height:100%;object-fit:cover}
.thumb-item .bd{padding:10px 11px}
.thumb-item .bd .t{font-size:12.5px;font-weight:600;letter-spacing:.03em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.thumb-item .bd .m{font-size:11.5px;color:var(--muted);margin-top:2px}
.thumb-item .ops{display:flex;gap:6px;padding:0 11px 11px}
.badge{
  display:inline-block;font-size:11px;letter-spacing:.06em;padding:2px 8px;border-radius:999px;
  background:var(--soft);color:var(--ink-2);border:1px solid var(--line);
}
.badge.red{background:#fdf3f2;color:var(--red);border-color:#eccfce}
.bar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:20px}
.bar .who{font-size:13px;color:var(--muted)}
.bar .who b{color:var(--ink);font-weight:600}


/* ---------- 备案信息（页脚底部合规悬挂） ---------- */
.ft .legal{margin-top:16px;font-size:12px;color:var(--muted);letter-spacing:.06em;display:flex;flex-wrap:wrap;align-items:center;gap:4px 18px}
.ft .legal a{color:var(--muted);border-bottom:1px solid var(--line)}
.ft .legal a:hover{color:var(--ink)}
.ft .gongan a{display:inline-flex;align-items:center;gap:5px}
.ft .legal img{vertical-align:-2px;display:inline-block}