/* ============================================================
   Aiya Craft v2 — 方向 B「绢」设计系统
   当代美术馆白盒：极浅绢底 / 墨字 / 朱砂 / 赭金
   结构：基础 → 顶栏 → 发现页 → 卡片/印章 → 频道页 → 笔记页
        → 作品页 8 模块 → 吸底 CTA → 页脚/灯箱/404 → 响应式
   ============================================================ */

:root{
  --bg:#f5f1e8; --bg2:#efe9dc; --panel:#fffdf7;
  --ink:#28251f; --mut:#6c675c; --faint:#98917f;
  --cin:#a63d28; --cin-d:#7e2c1c; --gold:#8a6b34;
  --line:rgba(40,37,31,.12); --line-s:rgba(40,37,31,.24);
  --ooo:#1c1d21; --ooo-ink:#e8e0d0; --ooo-gold:#c39d5e;
  --serif:Georgia,"Palatino Linotype","Book Antiqua","Songti SC","STSong",SimSun,serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Segoe UI","Helvetica Neue","Microsoft YaHei",Arial,sans-serif;
  --wrap:1120px;
}

/* ---------- 基础 ---------- */
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--serif);
  font-size:17px;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
a:focus-visible{outline:2px solid var(--cin);outline-offset:2px;border-radius:4px}
::selection{background:var(--cin);color:#f7f2e6}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.wrap--head{padding-bottom:44px}
.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px)}
.skip-link{position:absolute;left:-9999px}
.skip-link:focus{left:0;top:0;background:#fff;padding:.5rem 1rem;z-index:999}
.no-results{grid-column:1/-1;padding:60px 0;text-align:center;color:var(--faint);font-style:italic}

/* ---------- 顶栏 ---------- */
.topbar{position:sticky;top:0;z-index:50;background:rgba(247,243,234,.9);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.tb-in{max-width:1440px;margin:auto;display:flex;align-items:center;gap:20px;padding:0 22px;height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand .mark{width:34px;height:34px;background:var(--cin);border-radius:6px;display:grid;place-items:center;
  font:600 19px/1 var(--serif);color:#f7f2e6;
  box-shadow:inset 0 0 0 1.5px rgba(247,242,230,.9),inset 0 0 0 3.5px var(--cin)}
.brand-txt b{display:block;font:700 12px/1 var(--sans);letter-spacing:.34em;color:var(--ink)}
.brand-txt small{display:block;margin-top:4px;font:500 10px/1 var(--sans);letter-spacing:.2em;color:var(--faint)}
.tabs{display:flex;gap:4px;overflow:auto;scrollbar-width:none;flex:1;min-width:0}
.tabs::-webkit-scrollbar{display:none}
.tab{padding:8px 13px;border-radius:999px;font:600 12px/1 var(--sans);letter-spacing:.08em;
  color:var(--mut);white-space:nowrap}
.tab:hover{color:var(--ink)}
.tab.on{color:var(--ink);background:rgba(40,37,31,.07)}
.tb-act{margin-left:auto;display:flex;align-items:center;gap:14px;flex:none}
.lang{display:flex;gap:6px;align-items:center;font:700 11px/1 var(--sans);letter-spacing:.08em}
.lang a{color:var(--faint);padding:4px 2px}
.lang a:hover{color:var(--ink)}
.lang a.cur{color:var(--cin)}
.lang a+a::before{content:"·";margin-right:6px;color:var(--line-s)}
.search-toggle{width:34px;height:34px;border:1px solid var(--line-s);border-radius:50%;background:none;
  display:grid;place-items:center;color:var(--mut);font-size:15px;cursor:pointer}
.search-toggle:hover{color:var(--ink);border-color:var(--ink)}
.site-search{position:absolute;right:0;top:100%;background:var(--panel);padding:14px;
  border:1px solid var(--line);border-top:none;width:min(440px,92vw);box-shadow:0 14px 34px rgba(40,37,31,.12)}
.search-form{display:flex;gap:8px}
.search-form input[type=search]{flex:1;padding:10px 14px;border:1px solid var(--line-s);background:#fff;
  font:400 15px var(--serif);border-radius:8px;color:var(--ink)}
.search-form input[type=search]:focus{outline:2px solid var(--cin);outline-offset:-1px}
.search-form button{padding:0 18px;border:none;background:var(--ink);color:var(--bg);
  font:700 12px var(--sans);letter-spacing:.08em;border-radius:8px;cursor:pointer}
.search-form button:hover{background:var(--cin)}

/* ---------- 发现页 ---------- */
.feed{max-width:1440px;margin:0 auto;padding:24px 22px 64px}
.feed-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin:10px 2px 20px}
.feed-head--big{display:block;margin:14px 2px 24px}
.kicker{font:700 11px/1 var(--sans);letter-spacing:.3em;color:var(--faint);text-transform:uppercase;margin:0 0 10px}
.kicker b{color:var(--gold);font-weight:700}
.kicker span[lang]{letter-spacing:.2em}
.count,.count-inline{font:500 12px/1 var(--sans);letter-spacing:.06em;color:var(--faint)}
.count-inline{font-size:13px;margin-left:10px;color:var(--gold)}
.chan-title{font:500 clamp(28px,3.6vw,42px)/1.25 var(--serif);margin:0}
.chan-desc{font:400 15.5px/1.8 var(--serif);color:var(--mut);max-width:640px;margin:10px 0 0}
.f-filter{display:flex;gap:6px;margin-top:14px}

.masonry{column-count:4;column-gap:16px}

/* ---------- 卡片与印章 ---------- */
.card{break-inside:avoid;margin-bottom:16px}
.card-link{display:block}
.cover{position:relative;display:block;aspect-ratio:3/4;border-radius:10px;overflow:hidden;
  background:var(--bg2);box-shadow:0 8px 22px rgba(40,37,31,.13),0 2px 5px rgba(40,37,31,.08)}
.cover--v{aspect-ratio:9/16}
.masonry .card:nth-child(5n+2) .cover:not(.cover--v){aspect-ratio:4/5}
.masonry .card:nth-child(5n+3) .cover:not(.cover--v){aspect-ratio:2/3}
.masonry .card:nth-child(5n+5) .cover:not(.cover--v){aspect-ratio:4/5}
.cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.cover-ph{position:absolute;inset:0;display:grid;place-items:center;
  background:linear-gradient(160deg,#e5decf,#d8cfba);font-size:64px;color:var(--faint)}
.card-link:hover .cover img{transform:scale(1.05)}
.card-title{font:500 15.5px/1.42 var(--serif);margin:11px 2px 4px;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-link:hover .card-title{color:var(--cin)}
.card-meta{font:600 10.5px/1.4 var(--sans);letter-spacing:.15em;text-transform:uppercase;color:var(--faint);margin:0 0 0 2px}
.card-meta em{font-style:normal;color:var(--gold)}
.card-meta em.mut{color:var(--faint)}

.seal{--s:36px;position:absolute;top:10px;right:10px;display:inline-grid;place-content:center;gap:2px;
  width:var(--s);height:var(--s);background:var(--cin);color:#f7f2e6;border-radius:5px;text-align:center;
  box-shadow:inset 0 0 0 1.5px rgba(247,242,230,.92),inset 0 0 0 3.5px var(--cin),inset 0 0 12px rgba(0,0,0,.22);
  filter:drop-shadow(0 3px 8px rgba(0,0,0,.3))}
.seal b{font:500 calc(var(--s)*.42)/1 var(--serif)}
.seal i{font:700 calc(var(--s)*.13)/1 var(--sans);font-style:normal;letter-spacing:.14em}
.seal.sold{background:#8b867b;box-shadow:inset 0 0 0 1.5px rgba(247,242,230,.85),inset 0 0 0 3.5px #8b867b}
.seal.enq{background:var(--gold);box-shadow:inset 0 0 0 1.5px rgba(247,242,230,.9),inset 0 0 0 3.5px var(--gold)}
.seal--lg{--s:68px;position:static;border-radius:6px;filter:none}
.seal--lg b{font-size:calc(var(--s)*.4)}
.seal--lg i{font-size:calc(var(--s)*.12)}
.b-video{position:absolute;left:10px;top:10px;width:26px;height:26px;border-radius:50%;
  background:rgba(12,12,14,.55);backdrop-filter:blur(4px);display:grid;place-items:center;
  color:#f0e9da;font-size:9px}

/* 加载更多 / 无限滚动 */
.feed-nav{display:flex;justify-content:center;padding:36px 0 8px}
.feed-nav a{display:inline-block;padding:12px 26px;border:1px solid var(--line-s);border-radius:999px;
  font:600 12.5px/1 var(--sans);letter-spacing:.12em;color:var(--mut)}
.feed-nav a:hover,.feed-nav a.is-loading{border-color:var(--cin);color:var(--cin)}
.loading{display:flex;gap:8px;justify-content:center;padding:20px 0 0}
.loading span{width:6px;height:6px;border-radius:50%;background:var(--faint);animation:pulse 1.2s infinite}
.loading span:nth-child(2){animation-delay:.2s}
.loading span:nth-child(3){animation-delay:.4s}
@keyframes pulse{0%,100%{opacity:.25;transform:translateY(0)}50%{opacity:1;transform:translateY(-4px)}}

/* 横滑 rail */
.rail-head{margin:0 auto 20px}
.note-related{margin-top:64px}
.rail{display:grid;grid-auto-flow:column;grid-auto-columns:238px;gap:16px;overflow-x:auto;
  padding:0 24px 10px;scroll-snap-type:x mandatory;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.rail-head.wrap{padding-left:24px}
.ncard{scroll-snap-align:start}
.ncard .cover{position:relative;display:block;aspect-ratio:3/4;border-radius:10px;overflow:hidden;
  background:var(--bg2);box-shadow:0 8px 22px rgba(40,37,31,.13)}
.ncard .cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.ncard:hover .cover img{transform:scale(1.05)}
.ncard h4{font:500 14.5px/1.45 var(--serif);margin:10px 2px 4px;font-weight:500}
.ncard:hover h4{color:var(--cin)}
.ncard .meta{font:600 10px/1.4 var(--sans);letter-spacing:.15em;text-transform:uppercase;color:var(--faint);margin:0 0 0 2px}

/* 文末 CTA 横幅 */
.shop-cta--banner{margin:56px 0 24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:36px 0;text-align:center}
.shop-cta--banner .shop-cta-note{font:400 16px/1.8 var(--serif);color:var(--mut);margin:0 0 18px;max-width:560px;
  margin-left:auto;margin-right:auto}
.btn-main{display:inline-block;font:700 13px/1 var(--sans);letter-spacing:.06em;background:var(--cin);
  color:#f7efe1;border-radius:8px;padding:14px 22px;box-shadow:0 6px 20px rgba(166,61,40,.28);cursor:pointer;border:none}
.btn-main:hover{background:var(--cin-d);color:#f7efe1}
.btn-ghost{display:inline-block;font:600 12.5px/1 var(--sans);letter-spacing:.06em;color:var(--mut);
  border:1px solid var(--line-s);border-radius:8px;padding:13px 16px;background:none;cursor:pointer}
.btn-ghost:hover{color:var(--ink);border-color:var(--ink)}

/* ---------- 笔记页 ---------- */
.note-media{background:var(--bg2)}
.note-media img,.note-media video{width:100%;max-height:82vh;object-fit:cover}
.video-embed{position:relative;aspect-ratio:16/9;max-height:82vh;background:#111}
.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.single-note .wrap{max-width:860px}
.note-head{padding:52px 0 8px;text-align:center}
.chips{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:18px}
.chip{font:600 10.5px/1 var(--sans);letter-spacing:.16em;text-transform:uppercase;
  border:1px solid var(--line-s);color:var(--mut);padding:6px 11px;border-radius:999px;background:none}
a.chip:hover{border-color:var(--cin);color:var(--cin)}
.chip--line{color:var(--cin);border-color:rgba(166,61,40,.4)}
.note-title{font:500 clamp(26px,4vw,44px)/1.3 var(--serif);margin:0}
.note-meta{margin:16px 0 0;font:500 12px/1 var(--sans);letter-spacing:.14em;color:var(--faint);text-transform:uppercase}
.note-tags{margin:44px 0 0;display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.note-tags a{font:600 12px/1 var(--sans);color:var(--cin);background:rgba(166,61,40,.07);
  padding:8px 13px;border-radius:999px}
.note-tags a:hover{background:rgba(166,61,40,.14)}

/* 正文排版 */
.story{font:400 17.5px/1.95 var(--serif);color:#3a362d;padding-top:28px}
.story p{margin:0 0 26px}
.story h2,.story h3{font:500 24px/1.4 var(--serif);color:var(--ink);margin:48px 0 16px}
.story em{color:var(--ink)}
.story strong{color:var(--ink)}
.story a{color:var(--cin);border-bottom:1px solid rgba(166,61,40,.35)}
.story blockquote{margin:36px 0;padding:6px 0 6px 26px;border-left:2px solid var(--cin);
  font-style:italic;font-size:19px;color:var(--ink)}
.story img{border-radius:10px;cursor:zoom-in;margin:34px auto;box-shadow:0 12px 30px rgba(40,37,31,.16)}
.story figure{margin:34px 0}
.story figcaption{margin-top:10px;text-align:center;font:500 12px/1.7 var(--sans);
  color:var(--faint);letter-spacing:.04em}
.story figcaption b{color:var(--mut);font-weight:600}
.story ul,.story ol{padding-left:1.4em}
.story li{margin-bottom:10px}
.story .wp-block-embed iframe{border-radius:10px}
.story table{width:100%;border-collapse:collapse;font:400 15px var(--serif)}
.story th,.story td{border-bottom:1px solid var(--line);padding:10px 8px;text-align:left}
.story th{font:600 11px var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--faint)}

/* ---------- 作品页 8 模块 ---------- */
.p-hero{position:relative;height:calc(100vh - 60px);min-height:520px;overflow:hidden;background:var(--bg2)}
.p-hero video,.p-hero .hero-img{width:100%;height:100%;max-height:none;object-fit:cover}
.p-hero .hero-img img{width:100%;height:100%;object-fit:cover}
.hero-ph{display:grid;place-items:center;height:100%;font-size:clamp(120px,24vw,340px);
  color:var(--faint);background:linear-gradient(160deg,#e5decf,#d5cbb4)}
.scroll-cue{position:absolute;left:50%;top:18px;transform:translateX(-50%);display:grid;justify-items:center;gap:8px;
  font:700 9.5px/1 var(--sans);letter-spacing:.4em;color:rgba(246,240,228,.75);
  text-transform:uppercase;writing-mode:vertical-rl;z-index:2}
.scroll-cue::after{content:"";width:1px;height:52px;background:linear-gradient(180deg,rgba(246,240,228,.7),transparent)}
.hero-info{position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:26px 28px 34px;display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;
  background:linear-gradient(180deg,transparent,rgba(10,8,7,.8))}
.hero-info .chip{border-color:rgba(246,240,228,.38);color:rgba(246,240,228,.92)}
a.chip:hover{border-color:rgba(246,240,228,.8)}
.hero-title{font:500 clamp(30px,4.6vw,58px)/1.12 var(--serif);margin:0;color:#f7f2e6;letter-spacing:.01em}
.h1-cn{font:400 clamp(13px,1.5vw,17px)/1.7 var(--serif);letter-spacing:.32em;color:rgba(246,240,228,.85);margin:12px 0 0}
.hero-seal{text-align:center;display:grid;justify-items:center;gap:10px}
.hero-seal-cap{font:700 9.5px/1 var(--sans);letter-spacing:.3em;color:rgba(246,240,228,.75)}

.quote{padding:120px 24px;text-align:center}
.q-en{font:400 clamp(26px,3.8vw,46px)/1.38 var(--serif);max-width:920px;margin:0 auto}
.q-cn{margin:22px 0 0;font:400 14px/1 var(--serif);letter-spacing:.55em;color:var(--cin)}

.craft{padding:26px 0 90px}
.craft .story{max-width:720px;margin:0 auto;padding-top:0}
.craft .kicker,.craft .sec-title{text-align:center}
.craft .sec-title{margin-bottom:40px}

.details{padding:20px 0 40px}
.details .kicker,.details .sec-title{text-align:center}
.details .lede{text-align:center;max-width:none}
.detail{position:relative;height:82vh;min-height:420px;overflow:hidden;margin:0 0 2px;background:var(--bg2)}
.detail img{width:100%;height:100%;max-height:none;object-fit:cover;cursor:zoom-in}
.d-cap{position:absolute;left:0;right:0;bottom:0;padding:22px 28px 26px;
  background:linear-gradient(180deg,transparent,rgba(10,8,7,.78));
  display:flex;align-items:flex-end;justify-content:space-between;gap:18px}
.d-cap p{margin:0;font:400 clamp(16px,2vw,22px)/1.5 var(--serif);color:#f7f2e6}
.d-cap span{font:500 12px/1.6 var(--sans);letter-spacing:.24em;color:rgba(246,240,228,.65);white-space:nowrap}

.sec-title{font:500 clamp(24px,3vw,36px)/1.25 var(--serif);margin:0 0 12px}
.lede{font:400 16.5px/1.85 var(--serif);color:var(--mut);max-width:640px;margin:0 auto}

.spec-sec{padding:100px 0 90px}
.spec{display:grid;grid-template-columns:1fr 1fr;gap:0 56px;margin-top:26px}
.srow{display:flex;justify-content:space-between;gap:20px;padding:14px 2px;border-bottom:1px solid var(--line)}
.srow dt{font:600 11px/1.5 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}
.srow dd{margin:0;font:400 15px/1.5 var(--serif);text-align:right}

.ooo{background:var(--ooo);color:var(--ooo-ink);border-top:3px solid var(--cin);border-bottom:3px solid var(--cin);
  padding:110px 24px;text-align:center}
.ooo-in{max-width:860px;margin:0 auto}
.ooo .kicker{color:#8f887a}
.ooo .kicker b{color:#cf5a3a}
.ooo .sec-title{color:#efe8d8}
.stats{display:flex;justify-content:center;gap:clamp(28px,6vw,84px);margin:56px 0 52px;flex-wrap:wrap}
.stat b{display:block;font:500 clamp(34px,4.2vw,52px)/1 var(--serif);color:var(--ooo-gold)}
.stat small{display:block;margin-top:12px;font:600 10.5px/1.5 var(--sans);letter-spacing:.2em;
  text-transform:uppercase;color:#8f887a}
.ooo p{font:400 17px/2 var(--serif);color:#c9c1b0;margin:0 auto;max-width:640px}
.ooo .final{margin-top:44px;font:400 clamp(20px,2.6vw,28px)/1.6 var(--serif);font-style:italic;color:#efe8d8}

.notes-sec{padding:96px 0 90px}

/* ---------- 吸底 CTA ---------- */
.cta{position:fixed;left:0;right:0;bottom:0;z-index:60;background:rgba(255,253,247,.96);
  backdrop-filter:blur(16px);border-top:1px solid var(--line-s)}
.cta-in{max-width:1120px;margin:auto;display:flex;align-items:center;gap:16px;padding:13px 22px}
.cta-seal{--s:44px;position:static;flex:none;filter:none}
.cta-info b{display:block;font:600 15px/1.3 var(--serif);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:420px}
.cta-info span{font:500 11.5px/1.6 var(--sans);letter-spacing:.06em;color:var(--faint)}
.cta-btns{margin-left:auto;display:flex;gap:10px;align-items:center;flex:none}
body.single-post,body.single-piece{padding-bottom:92px}

/* ---------- 页脚 / 灯箱 / 404 ---------- */
.site-footer{border-top:1px solid var(--line);padding:56px 24px 64px;text-align:center;background:var(--bg)}
.footer-inner{max-width:860px;margin:auto}
.footer-cn{font:400 15px/1 var(--serif);letter-spacing:.5em;color:var(--mut)}
.footer-brand p{font:500 11.5px/1.8 var(--sans);letter-spacing:.05em;color:var(--faint);margin:14px 0 22px}
.footer-nav{display:flex;justify-content:center;gap:22px;flex-wrap:wrap;margin-bottom:22px}
.footer-nav a{font:600 11px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--mut)}
.footer-nav a:hover{color:var(--cin)}
.footer-copy{font:500 11px/1 var(--sans);color:var(--faint);margin:0}

.lightbox{position:fixed;inset:0;z-index:200;background:rgba(16,14,11,.92);display:grid;place-items:center;cursor:zoom-out}
.lightbox[hidden]{display:none}
.lightbox img{max-width:92vw;max-height:90vh;object-fit:contain;border-radius:6px}
.lightbox-close{position:absolute;right:18px;top:14px;width:40px;height:40px;border-radius:50%;
  background:rgba(255,253,247,.12);border:none;color:#f0e9da;font-size:20px;cursor:pointer}

.err404{min-height:60vh;display:grid;place-content:center;justify-items:center;gap:18px;text-align:center;padding:60px 24px}
.err404 h1{font:500 clamp(24px,3vw,34px)/1.3 var(--serif);margin:0}
.err404 p{margin:0;color:var(--mut);letter-spacing:.2em}

/* ---------- 响应式 ---------- */
@media(max-width:1180px){.masonry{column-count:3}}
@media(max-width:900px){
  .craft-grid-none{}
  .spec{grid-template-columns:1fr}
  .cta-info span{display:none}
  .cta-info b{max-width:38vw}
  .scroll-cue{display:none}
  .hero-info{padding:20px 18px 26px}
  .quote{padding:84px 18px}
  .ooo{padding:80px 18px}
  .detail{height:64vh}
}
@media(max-width:820px){
  .masonry{column-count:2;column-gap:12px}
  .card{margin-bottom:12px}
  .tb-in{gap:12px;padding:0 14px}
  .brand-txt small{display:none}
  .feed{padding:16px 14px 56px}
  .rail{padding:0 14px 10px;grid-auto-columns:200px}
  .rail-head.wrap,.craft .wrap,.spec-sec .wrap{padding:0 14px}
  .btn-main,.btn-ghost{padding:12px 16px}
  .cta-btns .btn-ghost{display:none}
}