:root{--bg:#12141a;--ink:#e9edf5;--dim:#8b95a6;--line:rgba(255,255,255,.1);--accent:#57d9b0;--dock:rgba(22,25,33,.86)}
*{box-sizing:border-box}
html,body{margin:0;padding:0;min-height:100%}
body{background:var(--bg);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;font-size:13px}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;color:inherit;cursor:pointer;border:0;background:none}

/* ---------- 海报墙 ---------- */
.wall-page{min-height:100vh;padding:32px 30px 110px;display:flex;flex-direction:column}
.whead{width:100%;max-width:1180px;margin:0 auto 18px}
.whead h1{margin:0 0 6px;font-size:28px;font-weight:500;letter-spacing:6px}
.whead p{margin:0;font-size:12px;color:var(--dim);letter-spacing:1px}
.wall{width:100%;max-width:1180px;margin:auto;display:grid;gap:16px}
/* 首页：上排恢复最初的不等大样式（大卡 4 列 + 窄竖排 2 列），下排两张各 3 列、同高 */
.wall.collage{grid-template-columns:repeat(6,1fr);grid-template-rows:minmax(230px,calc((100vh - 300px)/2)) minmax(150px,calc((100vh - 300px)*.32))}
.wall.collage .poster.big{grid-column:span 4}
.wall.collage .poster.tall{grid-column:span 2}
.wall.collage .poster.sub{grid-column:span 3}
.wall.collage .poster.big .p-title{font-size:38px;letter-spacing:8px}
.wall.collage .poster.tall .p-title{writing-mode:vertical-rl;letter-spacing:8px;font-size:30px;margin-bottom:6px}
.wall.collage .poster.sub .p-title{font-size:22px;letter-spacing:5px}
.wall.collage .poster.sub .p-meta{font-size:11px}
.wall.portrait{grid-template-columns:repeat(auto-fill,minmax(168px,1fr));grid-auto-rows:auto}
.wall.landscape{grid-template-columns:repeat(3,1fr);grid-auto-rows:200px}
.wall.small{grid-template-columns:repeat(auto-fill,minmax(210px,1fr));grid-auto-rows:132px}
.poster{position:relative;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;border-radius:10px;padding:18px;text-align:left;border:1px solid rgba(255,255,255,.09);background:var(--p1);transition:transform .18s,border-color .18s,filter .18s}
a.poster:hover{transform:translateY(-3px);border-color:var(--pk);filter:brightness(1.08)}
.poster:focus-visible{outline:2px solid var(--pk);outline-offset:2px}
.p-no{position:absolute;top:14px;left:16px;font-size:10px;letter-spacing:3px;color:var(--pk);z-index:2}
.p-kicker{position:absolute;top:14px;right:16px;font-size:10px;letter-spacing:2px;color:rgba(255,255,255,.5);z-index:2}
.p-art{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.p-art i{position:absolute;display:block;border-radius:50%;border:1px solid rgba(255,255,255,.13)}
.p-art i:first-child{width:230px;height:230px;right:-60px;top:-70px;background:var(--p2);opacity:.55}
.p-art i:last-child{width:130px;height:130px;right:40px;top:50px;border:14px solid rgba(255,255,255,.07)}
.p-title{position:relative;z-index:2;font-size:22px;font-weight:500;letter-spacing:3px;line-height:1.35;color:#fff}
.p-meta{position:relative;z-index:2;margin-top:7px;font-size:11px;letter-spacing:1px;color:rgba(255,255,255,.62)}
.p-bar{position:absolute;left:18px;bottom:12px;width:34px;height:3px;background:var(--pk);border-radius:3px;z-index:2}
.wall.portrait .poster{aspect-ratio:2/3}
.wall.portrait .poster .p-title{font-size:20px}
.wall.small .poster .p-title{font-size:17px}
.wall-foot{max-width:1180px;width:100%;margin:24px auto 0;font-size:12px;color:#6d7686;line-height:1.9}
.tone-teal{--p1:#103b38;--p2:#1c6a5b;--pk:#57d9b0}
.tone-paper{--p1:#f3ead4;--p2:#e5d3ac;--pk:#b8462e}
.tone-paper .p-title{color:#3a3228}
.tone-paper .p-meta{color:#7a6a52}
.tone-paper .p-no{color:#b8462e}
.tone-paper .p-kicker{color:#9a8b73}
.tone-paper .p-art i:last-child{border-color:rgba(70,50,30,.12)}
.tone-indigo{--p1:#25264b;--p2:#414080;--pk:#a9a6f5}
.tone-amber{--p1:#4a2f1c;--p2:#8a5530;--pk:#f0b56b}
.tone-rose{--p1:#4a2033;--p2:#823a56;--pk:#f095b9}
.tone-slate{--p1:#242b36;--p2:#3c4a5c;--pk:#8fb8e8}

/* ---------- 画框页：目标页面整屏铺开 ---------- */
body.mode-frame{overflow:hidden;height:100vh;width:100vw}
.frame-wrap{position:fixed;inset:0;z-index:1;background:#0e1015}
.frame-wrap iframe{display:block;width:100%;height:100%;border:0;background:#fff}
/* 显示/隐藏由元素上的 inline style 主控（优先级最高），
   下面两条只是额外保险，避免外部 CSS 旧版让 hidden 失效。 */
.fallback{position:fixed;inset:0;z-index:40;display:flex;align-items:center;justify-content:center;background:rgba(12,14,20,.94);padding:24px}
.fallback[hidden],.fallback.off{display:none}
.fb-card{position:relative;max-width:420px;text-align:center;padding:32px 34px;border:1px solid var(--line);border-radius:14px;background:#1b1f28}
.fb-x{position:absolute;top:10px;right:12px;width:30px;height:30px;border-radius:8px;font-size:20px;line-height:1;color:var(--dim)}
.fb-x:hover{background:rgba(255,255,255,.1);color:var(--ink)}
.fb-card h2{margin:0 0 10px;font-size:20px;font-weight:500;letter-spacing:2px}
.fb-card p{margin:0 0 22px;font-size:12px;color:var(--dim);line-height:1.9}
.fb-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.fb-btn{padding:9px 22px;border:1px solid var(--accent);border-radius:20px;font-size:13px;color:var(--accent)}
.fb-btn:hover{background:rgba(87,217,176,.12)}
.fb-btn.ghost{border-color:var(--line);color:var(--dim)}
.fb-btn.ghost:hover{background:rgba(255,255,255,.08);color:var(--ink)}

/* ---------- 待接入封面 ---------- */
.cover-page{min-height:100vh;padding:0 30px 100px;display:flex}
.cover{position:relative;flex:1;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;border-radius:14px;padding:48px;margin:0 auto;width:100%;max-width:1180px;min-height:70vh;background:var(--p1);border:1px solid rgba(255,255,255,.09)}
.cover-tag{position:absolute;top:34px;left:44px;font-size:11px;letter-spacing:4px;color:var(--pk);z-index:2}
.cover-art{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.cover-art i{position:absolute;display:block;border-radius:50%;border:1px solid rgba(255,255,255,.13)}
.cover-art i:first-child{width:420px;height:420px;right:-90px;top:-140px;background:var(--p2);opacity:.5}
.cover-art i:last-child{width:220px;height:220px;right:120px;top:80px;border:24px solid rgba(255,255,255,.07)}
.cover h1{position:relative;z-index:2;margin:0;font-size:52px;font-weight:500;letter-spacing:12px;color:#fff}
.cover p{position:relative;z-index:2;margin:14px 0 0;font-size:13px;letter-spacing:2px;color:rgba(255,255,255,.62)}
.cover-hint{position:relative;z-index:2;margin-top:28px;font-size:12px;letter-spacing:2px;color:var(--pk)}
.cover.tone-paper h1{color:#3a3228}
.cover.tone-paper p{color:#7a6a52}

/* ---------- 悬浮导航（每一层都有，包括画框页） ---------- */
.hot{position:fixed;left:0;right:0;bottom:0;height:16px;z-index:49;background:transparent}
.dock{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:60;display:flex;align-items:center;gap:4px;max-width:calc(100vw - 24px);padding:6px 8px;border-radius:14px;background:var(--dock);border:1px solid rgba(255,255,255,.14);box-shadow:0 10px 34px rgba(0,0,0,.45);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);opacity:.5;transition:opacity .22s,transform .22s;white-space:nowrap;overflow-x:auto;scrollbar-width:none}
.dock::-webkit-scrollbar{display:none}
.dock:hover,.dock.on,.dock.pinned{opacity:1}
.dock.hidden{opacity:0;pointer-events:none;transform:translate(-50%,14px)}
.dbtn{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;min-width:30px;height:30px;padding:0 9px;border-radius:8px;font-size:14px;color:var(--dim)}
a.dbtn:hover,button.dbtn:hover{background:rgba(255,255,255,.12);color:var(--ink)}
.dbtn.off{opacity:.25;cursor:default}
.dbtn.pin.pinned{color:var(--accent)}
.dbtn.hide{font-size:16px}
.crumbs{display:flex;align-items:center;flex:0 1 auto;overflow-x:auto;scrollbar-width:none;padding:0 4px;max-width:46vw}
.crumbs::-webkit-scrollbar{display:none}
.crumb{flex:0 0 auto;padding:4px 8px;border-radius:10px;font-size:12px;color:var(--dim)}
.crumb:hover{background:rgba(255,255,255,.1);color:var(--ink)}
.crumb.cur{color:var(--accent)}
.csep{flex:0 0 auto;color:#5a6372;font-size:11px;padding:0 1px}

/* 平板：仍是「上排大卡+竖排、下排两卡同高」，等比例收缩 */
@media (max-width:1020px){
  .wall.collage .poster.big .p-title{font-size:28px;letter-spacing:6px}
  .wall.collage .poster.tall .p-title{font-size:22px;letter-spacing:6px}
  .wall.collage .poster.sub .p-title{font-size:18px;letter-spacing:3px}
  .wall.collage{grid-template-rows:minmax(190px,calc((100vh - 260px)/2)) minmax(130px,calc((100vh - 260px)*.32))}
}
@media (max-width:760px){
  .wall.landscape{grid-template-columns:repeat(2,1fr)}
  .wall-page{padding:22px 14px 100px}
  .whead h1{font-size:21px}
  .cover h1{font-size:30px;letter-spacing:6px}
  .cover{padding:26px;min-height:60vh}
  .cover-tag{left:26px;top:24px}
  .crumbs{max-width:38vw}
  .dbtn{min-width:28px;padding:0 7px}
}
/* 手机：单列四行，前两张高、后两张矮且同高；竖排标题改回横排 */
@media (max-width:560px){
  .wall.collage{grid-template-columns:1fr;grid-template-rows:repeat(2,minmax(170px,30vh)) repeat(2,minmax(120px,19vh))}
  .wall.collage .poster.big,.wall.collage .poster.tall,.wall.collage .poster.sub{grid-column:span 1}
  .wall.collage .poster.big .p-title{font-size:22px;letter-spacing:4px}
  .wall.collage .poster.tall .p-title{writing-mode:horizontal-tb;font-size:20px;letter-spacing:3px;margin-bottom:0}
  .wall.collage .poster.sub .p-title{font-size:19px;letter-spacing:3px}
}