/* ═══ 藏书阁 · 留言板 样式（并入六脉 SPA） ═══
   依赖六脉主站 style.css 已有的变量（--cinnabar/--gold/--brown/--card/--line/--nav-h/--ink2/--ink3/--shadow/--shadow-lg/--font）
   此处补齐藏书阁/留言板依赖但六脉缺失的变量（--bg/--bg2/--ink/--gold-soft/--gold-deep/--cinnabar-soft/--cinnabar-deep）
   以及所有 .book-* / .forum-* / .reader-* / .cat-* / .art-card / .guiji-* / .post-* / .board-* / .compose-* 样式。 */

/* ── 补齐变量（对齐外壳/六脉明暗值） ── */
:root{
  --bg:#F5F0E8;              /* 米白宣纸底（六脉 --bg-deepest 同值） */
  --bg2:#EFE6D2;             /* 略深米色 */
  --ink:#3D3530;             /* 主文字（六脉 --text-primary 同值） */
  --ink2:#6E6359;            /* 次级文字 */
  --ink3:#9A9088;            /* 弱文字 */
  --gold-soft:rgba(212,168,83,.18);
  --gold-deep:#B8892F;
  --cinnabar-soft:rgba(199,91,57,.10);
  --cinnabar-deep:#A84522;
  --shadow:0 6px 20px rgba(0,0,0,.10);
  --shadow-lg:0 12px 40px rgba(0,0,0,.14);
}
[data-theme="dark"]{
  --bg:#1A1512;              /* 深墨底 */
  --bg2:#231C16;
  --ink:#EDE3D2;             /* 暖白主文字 */
  --ink2:#C9BCA6;
  --ink3:#8A7D6C;
  --gold-soft:rgba(217,180,92,.16);
  --gold-deep:#C69A48;
  --cinnabar-soft:rgba(217,121,91,.14);
  --cinnabar-deep:#B85A3E;
  --shadow:0 6px 24px rgba(0,0,0,.35);
  --shadow-lg:0 14px 44px rgba(0,0,0,.5);
}

/* ── 页面外壳：books/forum 是全宽 SPA 页，脱离 .container 限制 ──
   保留 .page 自带 padding（含顶部 nav/mm-bar 高度补偿） */
#page-books,#page-forum{max-width:100%;margin:0}
#page-books{min-height:100vh}
#page-forum{min-height:100vh}
.book-layout{padding-top:0}
/* 进入藏书阁/留言板时 .container 解除宽度限制（书籍布局用左右栏，960px 太窄） */
body:has(#page-books.page.active) > .container,
body:has(#page-forum.page.active) > .container{max-width:none;padding:0;margin:0 auto}
/* 手机端：顶部眉毛 mm-bar 高度补偿（覆盖 .book-main 默认留白） */
@media(max-width:900px){
  .book-main{padding-top:16px}
}

/* ═══ 读书站 ═══ */
.book-layout{display:flex;align-items:flex-start;min-height:100vh}
.book-side{
  flex:0 0 264px;position:sticky;top:calc(var(--nav-h) + 16px);align-self:flex-start;
  background:var(--card);color:var(--ink);
  border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow);
  display:flex;flex-direction:column;overflow:hidden;
  margin:16px 0 16px 2.5%;
  transition:flex-basis .35s ease,flex .35s ease;
}
.book-side-right{margin:16px 2.5% 16px 0}
.book-side-head{
  padding:22px 18px 14px;border-bottom:1px solid var(--line);
  background:linear-gradient(120deg,var(--cinnabar-soft),var(--gold-soft) 70%,transparent);
  display:flex;align-items:flex-start;justify-content:space-between;gap:8px;
}
.book-side-head .side-head-txt{min-width:0}
.book-side-head .side-title{
  font-size:19px;letter-spacing:3px;color:var(--brown);font-weight:bold;
  font-family:'FZXiaoBiaoSong','FZXiaoBiaoSong-B05S','方正小标宋简体',serif;
  display:flex;align-items:center;gap:8px;
}
.book-side-head .side-title::before{content:'❖';font-size:13px;color:var(--cinnabar)}
.book-side-head p{font-size:12px;color:var(--ink2);letter-spacing:1.5px;margin-top:6px}
.side-fold{
  flex:0 0 auto;width:30px;height:30px;border-radius:9px;
  background:var(--card);border:1px solid var(--line);color:var(--cinnabar);
  font-size:17px;line-height:1;cursor:pointer;transition:all .25s;
  display:flex;align-items:center;justify-content:center;
}
.side-fold:hover{background:var(--cinnabar-soft);border-color:rgba(199,91,57,.35)}
.book-side.collapsed{flex-basis:56px}
.book-side.collapsed .side-head-txt p,
.book-side.collapsed .side-cats,
.book-side.collapsed .side-quote{display:none}
.book-side.collapsed .book-side-head{
  flex:1;flex-direction:column;justify-content:center;align-items:center;gap:14px;
  padding:12px 8px;border-bottom:none;
  background:linear-gradient(180deg,var(--cinnabar-soft),var(--gold-soft));
}
.book-side.collapsed .side-title{writing-mode:vertical-rl;letter-spacing:6px;font-size:17px;margin:0 auto}
.book-side.collapsed .side-fold{
  width:26px;height:26px;border-radius:50%;font-size:14px;
  background:var(--card);border:1px solid rgba(199,91,57,.35);
  transform:rotate(180deg);
}
.book-side.collapsed .side-fold:hover{background:var(--cinnabar-soft)}
.book-side .side-fold{transition:transform .3s ease,background .25s}
.side-cats{padding:12px;flex:1;overflow-y:auto}
.book-cat{
  position:relative;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;
  gap:3px;width:100%;margin-bottom:6px;padding:12px 16px 12px 18px;
  background:transparent;border:1px solid transparent;border-radius:10px;cursor:pointer;
  font-family:inherit;text-align:left;transition:all .25s;overflow:hidden;
}
.book-cat::before{
  content:'';position:absolute;left:0;top:20%;bottom:20%;width:3px;
  background:linear-gradient(180deg,var(--cinnabar),var(--gold));
  border-radius:3px;opacity:0;transition:opacity .3s;
}
.book-cat:hover{background:var(--gold-soft);border-color:rgba(212,168,83,.25)}
.book-cat:hover::before{opacity:1}
.book-cat.active,.book-cat.bk-active{background:var(--cinnabar-soft);color:var(--cinnabar);border-color:rgba(199,91,57,.3)}
.book-cat.active::before,.book-cat.bk-active::before{opacity:1;background:var(--cinnabar)}
.book-cat .bc-name{font-size:15.5px;letter-spacing:2px;font-weight:bold;color:inherit}
.book-cat .bc-sub{font-size:11.5px;letter-spacing:1px;color:var(--ink2)}
.book-cat .n{font-size:11px;color:var(--gold-deep);margin-top:1px}
.book-cat.active .bc-sub,.book-cat.bk-active .bc-sub{color:var(--cinnabar)}
.side-empty{padding:20px 14px;font-size:12.5px;color:var(--ink3);text-align:center;letter-spacing:1px}
.side-quote{
  padding:18px 22px;border-top:1px dashed var(--line);
  font-size:12px;color:var(--ink3);line-height:2;letter-spacing:1px;
  background:linear-gradient(120deg,var(--bg2),transparent 70%);
}
.book-main{flex:1;min-width:0;padding:26px 5% 90px;max-width:1560px;margin:0 auto}

/* PC 端隐藏中间的白话/古籍入口（由左右栏替代）；手机端显示 */
@media(min-width:901px){.hide-pc{display:none !important}}

/* 读书站 hero */
.book-hero{text-align:center;padding:40px 0 20px}
.book-hero h1{
  font-size:clamp(30px,4.5vw,52px);letter-spacing:10px;line-height:1.3;
  font-family:'FZXiaoBiaoSong','FZXiaoBiaoSong-B05S','方正小标宋简体',serif;font-weight:normal;
  background:linear-gradient(135deg,var(--cinnabar) 0%,var(--gold) 60%,var(--gold-deep) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  display:inline-block;
}
.book-hero p{color:var(--ink2);margin-top:16px;letter-spacing:3px;font-size:16px}
.book-hero .hero-line{width:72px;height:3px;margin:22px auto 0;background:linear-gradient(90deg,var(--cinnabar),var(--gold));border-radius:3px}
.book-jinglian{
  display:inline-flex;align-items:center;gap:10px;margin-top:18px;
  background:linear-gradient(135deg,rgba(199,91,57,.10),rgba(212,168,83,.14));
  border:1px solid rgba(199,91,57,.28);border-radius:12px;
  padding:10px 18px;max-width:640px;text-align:left;
}
.bj-tag{
  flex-shrink:0;background:linear-gradient(135deg,var(--cinnabar),#A84532);
  color:#FFF8EE;font-size:13px;letter-spacing:2px;padding:5px 12px;border-radius:8px;
  box-shadow:0 2px 8px rgba(199,91,57,.35);
}
.bj-text{font-size:13px;color:var(--ink2);line-height:1.6;letter-spacing:1px}
.g-badge{
  position:absolute;top:20px;right:20px;
  background:linear-gradient(135deg,var(--cinnabar),#A84532);
  color:#FFF8EE;font-size:11.5px;letter-spacing:2px;padding:4px 10px;border-radius:6px;
  box-shadow:0 2px 8px rgba(199,91,57,.32);z-index:2;
}
.guiji-card{position:relative}
[data-theme="dark"] .g-badge{color:#FFF5E6}
.book-search{max-width:520px;margin:32px auto 0;position:relative}
.book-search input{
  width:100%;padding:15px 50px 15px 24px;border-radius:999px;
  border:1.5px solid var(--line);background:var(--card);
  font-family:inherit;font-size:15.5px;color:var(--ink);outline:none;transition:all .3s;
}
.book-search input:focus{border-color:var(--gold);box-shadow:0 0 0 4px var(--gold-soft)}
.book-search svg{position:absolute;right:20px;top:50%;transform:translateY(-50%);width:19px;height:19px;color:var(--ink3);cursor:pointer;transition:color .25s}
.book-search svg:hover{color:var(--cinnabar)}

/* 首页内容区块分隔标签 */
.section-tag{
  display:flex;align-items:center;gap:14px;margin:40px 0 18px;
  font-size:16px;color:var(--cinnabar);letter-spacing:4px;font-weight:600;
}
.section-tag::before{content:'';width:40px;height:3px;background:linear-gradient(90deg,var(--cinnabar),var(--gold));border-radius:3px}
.section-tag::after{content:'';flex:1;height:1px;background:var(--line)}
.section-note{font-size:13px;color:var(--ink3);letter-spacing:2px;margin:-8px 0 0 54px}

/* 功底背书钩子 */
.book-hook{
  margin:20px auto 0;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  background:linear-gradient(135deg,rgba(212,168,83,.10),rgba(199,91,57,.06));
  display:flex;flex-direction:column;width:min(560px,100%);
}
.book-hook.open{display:block}
.hook-bar{
  display:flex;align-items:center;justify-content:center;gap:8px;width:100%;
  padding:7px 16px;background:none;border:none;cursor:pointer;
  font-family:inherit;transition:background .25s;text-align:center;white-space:nowrap;
}
.hook-bar:hover{background:rgba(212,168,83,.10)}
.hook-main{
  flex:0 1 auto;min-width:0;
  font-size:clamp(14px,4.3vw,17.5px);color:var(--brown);letter-spacing:1px;font-weight:600;line-height:1.5;
}
.hook-bulb{
  flex:0 0 auto;width:26px;height:26px;display:flex;align-items:center;justify-content:center;
  color:#F5B60F;animation:bulbBreath 2.4s ease-in-out infinite;
}
.hook-bulb svg{width:22px;height:22px}
@keyframes bulbBreath{
  0%,100%{opacity:.55;filter:drop-shadow(0 0 3px rgba(245,182,15,.35))}
  50%{opacity:1;filter:drop-shadow(0 0 9px rgba(245,182,15,.8))}
}
.hook-hint{font-size:12.5px;color:var(--ink2);letter-spacing:1px;white-space:nowrap}
@media(max-width:600px){
  .hook-hint{display:none}
  .hook-bar{flex-wrap:nowrap}
  .hook-main{letter-spacing:0;white-space:nowrap;font-size:14px}
}
.hook-body{padding:4px 24px 22px;border-top:1px dashed rgba(212,168,83,.4);animation:hookFade .3s ease}
@keyframes hookFade{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.hook-sub{font-size:15px;color:var(--ink);line-height:1.8;letter-spacing:1px;margin-top:16px}
.hook-actions{margin-top:16px;display:flex;justify-content:center;align-items:center;gap:26px;flex-wrap:wrap}
.hook-act{display:flex;align-items:center;gap:10px}
.hook-act .act-label{font-size:13px;color:var(--ink2);letter-spacing:2px;white-space:nowrap}
.hook-btn{
  display:inline-block;background:linear-gradient(135deg,var(--cinnabar),#A84532);
  color:#FFF8EE;font-size:15px;letter-spacing:2px;padding:11px 26px;border-radius:10px;
  text-decoration:none;box-shadow:0 3px 12px rgba(199,91,57,.3);transition:all .25s;
}
.hook-btn:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(199,91,57,.4)}
.hook-btn-ghost{background:transparent;color:var(--cinnabar);border:1px solid rgba(199,91,57,.45);box-shadow:none}
.hook-btn-ghost:hover{background:rgba(199,91,57,.08);box-shadow:none}
[data-theme="dark"] .hook-bar:hover{background:rgba(212,168,83,.08)}
[data-theme="dark"] .hook-main{color:var(--gold-primary)}
[data-theme="dark"] .hook-btn-ghost{color:#E8A96A;border-color:rgba(232,169,106,.5)}
[data-theme="dark"] .hook-btn-ghost:hover{background:rgba(232,169,106,.1)}
#baihua{scroll-margin-top:86px}

/* 分类卡片网格 */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:24px;margin-top:28px}
.cat-card{
  background:var(--card);border:1px solid var(--line);border-radius:18px;
  padding:30px 28px;cursor:pointer;transition:all .35s;position:relative;overflow:hidden;
}
.cat-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--cinnabar),var(--gold));opacity:0;transition:opacity .35s;
}
.cat-card::after{
  content:'';position:absolute;right:-36px;bottom:-36px;width:140px;height:140px;border-radius:50%;
  background:radial-gradient(circle,var(--gold-soft),transparent 70%);opacity:0;transition:all .4s;
}
.cat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--gold)}
.cat-card:hover::before{opacity:1}
.cat-card:hover::after{opacity:1}
.cat-card .c-num{font-size:12.5px;color:var(--gold-deep);letter-spacing:2px;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.cat-card .c-num::before{content:'❖';font-size:10px}
.cat-card h3{font-size:21px;color:var(--brown);letter-spacing:2px;margin-bottom:8px;position:relative;z-index:1}
.cat-card p{font-size:13px;color:var(--ink3);letter-spacing:1px;position:relative;z-index:1}
.cat-card .c-count{
  position:relative;z-index:1;display:inline-block;margin-top:14px;
  font-size:12.5px;color:var(--cinnabar);background:var(--cinnabar-soft);
  border-radius:999px;padding:3px 14px;
}

/* 文章列表 */
.art-list{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:34px}
.art-card{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:24px 26px;cursor:pointer;transition:all .3s;position:relative;overflow:hidden;
}
.art-card::before{
  content:'';position:absolute;left:0;top:18px;bottom:18px;width:3px;
  background:linear-gradient(180deg,var(--cinnabar),var(--gold));border-radius:3px;opacity:0;transition:opacity .3s;
}
.art-card:hover{border-color:var(--gold);transform:translateY(-3px);box-shadow:var(--shadow)}
.art-card:hover::before{opacity:1}
.art-card .a-idx{font-size:12px;color:var(--gold-deep);letter-spacing:2px;margin-bottom:8px}
.art-card .a-cat{position:absolute;top:14px;right:14px;font-size:11.5px;color:var(--cinnabar);background:var(--cinnabar-soft);border-radius:6px;padding:3px 9px;letter-spacing:1px}
.art-card .a-cat.g-cat{color:#2D7A8C;background:rgba(45,122,140,.12)}
.art-card .a-snip{font-size:12.5px;color:var(--ink3);line-height:1.7;letter-spacing:.5px;margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.art-card h3{font-size:17.5px;line-height:1.6;color:var(--brown);letter-spacing:.5px}
.art-card:hover h3{color:var(--cinnabar)}

/* 阅读页 */
.reader-head{
  position:sticky;top:var(--nav-h);z-index:60;
  margin:0 -5% 14px;padding:14px 5% 12px;border-bottom:2px solid var(--gold);
  background:rgba(245,240,232,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
[data-theme="dark"] .reader-head{background:rgba(26,21,18,.94)}
.reader-head .crumb{font-size:13px;color:var(--gold-deep);letter-spacing:2px;margin-bottom:8px}
.reader-head .back-btn{display:inline-block;font-size:13px;color:var(--cinnabar);cursor:pointer;margin-bottom:12px;border:1px solid var(--cinnabar);border-radius:999px;padding:4px 14px;transition:all .25s}
.reader-head .back-btn:hover{background:var(--cinnabar);color:#FFF6E6}
.reader-head .head-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.reader-head .go-home{margin-left:auto;font-size:12.5px;color:var(--gold-deep);cursor:pointer;border:1px solid var(--gold);border-radius:999px;padding:4px 14px;transition:all .25s;background:transparent;font-family:inherit;letter-spacing:1px}
.reader-head .go-home:hover{background:var(--gold-soft)}
.reader-title{font-size:clamp(24px,3.4vw,32px);letter-spacing:2px;color:var(--brown);line-height:1.45;margin:12px 0 18px}
.reader-body{font-size:17px;line-height:2.05;color:#4E4130}
.reader-body h3{font-size:22px;margin:36px 0 14px;color:var(--cinnabar);letter-spacing:1px;padding-left:14px;border-left:4px solid var(--gold)}
.reader-body h4{font-size:18px;margin:26px 0 10px;color:#5B4A33}
.reader-body p{margin:14px 0;text-align:justify}
.reader-body blockquote{
  margin:24px 0;padding:16px 24px;background:var(--bg2);
  border-left:4px solid var(--gold);border-radius:0 12px 12px 0;color:#4E4130;font-size:16.5px;
}
.reader-body ul,.reader-body ol{margin:16px 0 16px 8px;padding-left:28px}
.reader-body li{margin:9px 0}
.reader-body hr{border:none;border-top:1px dashed var(--line);margin:36px 0}
.reader-body code{background:var(--bg2);padding:2px 8px;border-radius:5px;font-size:14px}
.reader-body strong{color:var(--cinnabar)}
.reader-body table{width:100%;border-collapse:collapse;font-size:15px;background:var(--card);margin:22px 0;border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
.reader-body th{background:var(--brown);color:#F1E7CE;padding:11px 14px;text-align:left;white-space:nowrap}
.reader-body td{padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.reader-body tr:nth-child(even) td{background:rgba(212,168,83,.06)}

/* 阅读进度条 */
.read-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:120;background:transparent}
.read-progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cinnabar),var(--gold));transition:width .1s}

/* 上一篇下一篇 */
.reader-nav{display:flex;justify-content:space-between;gap:14px;margin-top:48px;padding-top:24px;border-top:1px solid var(--line)}
.reader-nav button{
  flex:1;padding:14px 18px;border:1px solid var(--line);border-radius:12px;
  background:var(--card);color:var(--ink);font-family:inherit;font-size:14px;
  cursor:pointer;transition:all .25s;letter-spacing:.5px;
}
.reader-nav button:hover{border-color:var(--gold);color:var(--cinnabar);box-shadow:var(--shadow)}
.reader-nav .next{text-align:right}

/* 示意图容器（古籍正文内嵌图表） */
.fig{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px;margin:32px 0;text-align:center}
.fig-title{font-size:16px;letter-spacing:2px;color:var(--cinnabar);margin-bottom:20px;font-weight:bold}
.fig-note{font-size:13px;color:var(--ink2);margin-top:18px;line-height:1.8}
/* 五行图 */
.wx-ring{position:relative;width:280px;height:280px;margin:0 auto}
.wx-lines{position:absolute;inset:0;width:100%;height:100%}
.wx-lines line{stroke-width:2.5;fill:none}
.wx-lines .sheng{stroke:var(--gold)}
.wx-lines .ke{stroke:var(--cinnabar);stroke-dasharray:6 5;opacity:.7}
.wx-item{position:absolute;left:var(--x);top:var(--y);transform:translate(-50%,-50%);z-index:2}
.wx-item span{display:flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:50%;background:var(--cinnabar);color:#FBF3E0;font-size:20px;font-weight:bold;box-shadow:0 4px 14px rgba(199,91,57,.3)}
.wx-item i{display:block;text-align:center;font-size:11px;font-style:normal;color:var(--gold-deep);margin-top:2px}
/* 九宫格 */
.jg-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;max-width:320px;margin:0 auto;background:var(--bg2);padding:6px;border-radius:10px}
.jg-cell{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:16px 6px}
.jg-cell b{display:block;font-size:18px;color:var(--cinnabar)}
.jg-cell span{font-size:12px;color:var(--ink2)}
.jg-cell.center{background:linear-gradient(135deg,var(--gold-soft),var(--bg2))}
/* 太极图 */
.tj-wrap{display:flex;justify-content:center;padding:10px 0}
.tj-circle{position:relative;width:180px;height:180px;border-radius:50%;overflow:hidden;border:3px solid var(--cinnabar)}
.tj-half{position:absolute;width:50%;height:100%}
.tj-dark{left:0;background:#2B2318}
.tj-light{right:0;background:#F1E7CE}
.tj-wave{position:absolute;width:50%;height:50%;border-radius:50%}
.tj-wave1{left:0;top:0;background:#F1E7CE;transform:translateX(50%)}
.tj-wave2{right:0;bottom:0;background:#2B2318;transform:translateX(-50%)}
.tj-dot{position:absolute;width:26px;height:26px;border-radius:50%}
.tj-dot-dark{left:25%;top:50%;transform:translate(-50%,-50%);background:#F1E7CE;z-index:3}
.tj-dot-light{right:25%;top:50%;transform:translate(50%,-50%);background:#2B2318;z-index:3}
/* 十二时辰 */
.sc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;max-width:460px;margin:0 auto}
.sc-item{background:var(--bg2);border-radius:10px;padding:12px 6px}
.sc-item b{display:block;font-size:20px;color:var(--cinnabar)}
.sc-item span{font-size:11px;color:var(--ink2);display:block}
.sc-item i{font-style:normal;font-size:13px;color:var(--gold-deep)}
/* 干支 */
.gz-wrap{max-width:420px;margin:0 auto}
.gz-row{display:flex;align-items:center;gap:12px;padding:10px 0}
.gz-tag{flex-shrink:0;background:var(--cinnabar);color:#FBF3E0;padding:4px 12px;border-radius:6px;font-size:13px}
.gz-ch{font-size:19px;letter-spacing:3px}
.gz-meta{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:12px;font-size:15px;color:var(--ink2)}
.gz-meta b{color:var(--cinnabar);font-size:18px}
@media(max-width:600px){.sc-grid{grid-template-columns:repeat(3,1fr)}.wx-ring{width:220px;height:220px}}
/* 暗色下太极图微调 */
[data-theme="dark"] .jg-cell.center{background:linear-gradient(135deg,var(--gold-soft),var(--bg2))}
/* 八字四柱图 */
.bz-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;max-width:420px;margin:0 auto}
.bz-col{background:var(--bg2);border-radius:10px;padding:12px 6px}
.bz-col.bz-main{background:var(--cinnabar-soft);border:1.5px solid var(--cinnabar)}
.bz-head{display:block;font-size:13px;color:var(--ink2);margin-bottom:6px}
.bz-gan{display:block;font-size:22px;color:var(--cinnabar);font-weight:bold}
.bz-zhi{display:block;font-size:18px;color:var(--brown)}
/* 紫微十二宫盘 */
.zw-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(4,1fr);gap:4px;max-width:340px;margin:0 auto}
.zw-cell{background:var(--bg2);border-radius:8px;padding:12px 4px}
.zw-cell b{display:block;font-size:14px;color:var(--cinnabar)}
.zw-cell span{font-size:11px;color:var(--ink3)}
.zw-cell.zw-center{background:linear-gradient(135deg,var(--cinnabar),var(--cinnabar-deep));color:#FFF6E6;display:flex;flex-direction:column;align-items:center;justify-content:center}
.zw-cell.zw-center b{color:#FFF6E6;font-size:13px;line-height:1.5}
.zw-cell.zw-center span{color:rgba(255,246,230,.8)}
.zw-groups{display:flex;flex-direction:column;gap:8px;max-width:340px;margin:0 auto}
.zw-group{background:var(--bg2);border-radius:10px;padding:14px;border:1px solid var(--line)}
.zw-group b{display:block;font-size:15px;color:var(--cinnabar);margin-bottom:6px;letter-spacing:2px}
.zw-group span{font-size:13px;color:var(--ink2);line-height:1.9;letter-spacing:1px}
/* 六壬四课三传 */
.lr-grid{display:flex;flex-direction:column;align-items:center;gap:6px;max-width:360px;margin:0 auto}
.lr-ke,.lr-chuan,.lr-bifa{width:100%;background:var(--bg2);border-radius:10px;padding:14px}
.lr-ke b,.lr-chuan b,.lr-bifa b{display:block;font-size:16px;color:var(--cinnabar);margin-bottom:4px}
.lr-ke span,.lr-chuan span,.lr-bifa span{font-size:13px;color:var(--ink2)}
.lr-arrow{font-size:18px;color:var(--gold-deep)}
/* 六爻卦象结构图 */
.ly-wrap{max-width:360px;margin:0 auto}
.ly-guabox{display:flex;justify-content:center;gap:28px;background:var(--bg2);border-radius:12px;padding:16px}
.ly-gua{display:flex;flex-direction:column;gap:5px;align-items:center}
.ly-gua b{font-size:14px;color:var(--cinnabar);margin-bottom:4px;letter-spacing:2px}
.ly-yao{font-family:monospace;font-size:16px;letter-spacing:2px;color:var(--ink)}
.ly-dong{color:var(--cinnabar)}
.ly-yao-zi{color:var(--gold-deep)}
.ly-legend{display:flex;justify-content:center;gap:16px;margin:14px 0 4px;flex-wrap:wrap}
.ly-legend span{font-size:12.5px;color:var(--ink2);display:flex;align-items:center;gap:5px}
.ly-cir{width:8px;height:8px;border-radius:50%;background:var(--ink3);display:inline-block}
.ly-cir2{background:var(--cinnabar)}
.ly-cir3{background:var(--gold-deep)}
.ly-liuqin{text-align:center;font-size:13px;color:var(--ink2);background:var(--bg2);border-radius:10px;padding:12px;margin-top:8px;letter-spacing:1px}
.ly-liuqin b{color:var(--cinnabar);font-weight:600}
/* 八卦方位图 */
.bg-wrap{position:relative;width:280px;height:280px;margin:0 auto}
.bg-lines{position:absolute;inset:0;width:100%;height:100%}
.bg-lines line{stroke:var(--gold);stroke-width:1.5;stroke-dasharray:5 5;opacity:.5}
.bg-item{position:absolute;left:var(--x);top:var(--y);transform:translate(-50%,-50%);z-index:2;text-align:center}
.bg-item b{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background:var(--cinnabar);color:#FBF3E0;font-size:18px;margin:0 auto;box-shadow:0 4px 12px rgba(199,91,57,.28)}
.bg-item span{display:block;font-size:11px;color:var(--gold-deep);margin-top:3px}
/* 节气生活图 */
.sh-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:520px;margin:0 auto}
.sh-item{background:var(--bg2);border-radius:12px;padding:16px}
.sh-item b{display:block;font-size:18px;color:var(--cinnabar);margin-bottom:6px}
.sh-item span{font-size:12.5px;color:var(--ink2);line-height:1.8;display:block}
.sh-item i{display:block;font-size:12px;color:var(--gold-deep);margin-top:6px;font-style:normal}
@media(max-width:600px){.bg-wrap{width:220px;height:220px}.sh-grid{grid-template-columns:1fr}.zw-grid{grid-template-columns:repeat(4,1fr)}}

/* ═══ 古籍原典 ═══ */
.cat-active-bar{display:flex;align-items:center;gap:12px;margin-top:26px;flex-wrap:wrap}
.cat-active-bar .crumb{font-size:13px;color:var(--gold-deep);letter-spacing:2px}
.cat-active-bar .count{font-size:13px;color:var(--ink3)}
.cat-active-bar .back-cats{margin-left:auto;font-size:13px;color:var(--cinnabar);cursor:pointer;border:1px solid var(--cinnabar);border-radius:999px;padding:4px 14px;transition:all .25s;background:transparent;font-family:inherit}
.cat-active-bar .back-cats:hover{background:var(--cinnabar);color:#FFF6E6}
.empty-search{text-align:center;padding:60px 0;color:var(--ink3);font-size:15px;letter-spacing:2px}
.guiji-banner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  background:linear-gradient(120deg,#3A2A1E 0%,#2E2118 60%,#33241B 100%);
  border-radius:18px;padding:30px 34px;margin:36px 0 30px;cursor:pointer;position:relative;overflow:hidden;
  transition:all .35s;
}
.guiji-banner::after{
  content:'';position:absolute;right:-40px;top:-40px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(212,168,83,.25),transparent 70%);
}
.guiji-banner:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.guiji-banner:hover .guiji-more{background:var(--gold);color:var(--brown)}
.guiji-kicker{font-size:12px;letter-spacing:5px;color:var(--gold);margin-bottom:10px}
.guiji-title{font-size:clamp(20px,3vw,28px);color:#F1E7CE;letter-spacing:3px;margin-bottom:8px}
.guiji-sub{font-size:14px;color:#C9BFA6;letter-spacing:1px}
.guiji-more{
  flex-shrink:0;background:var(--cinnabar);color:#FFF6E6;border-radius:999px;
  padding:11px 26px;font-size:15px;letter-spacing:2px;transition:all .3s;position:relative;z-index:1;
}
.guiji-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;margin-top:32px}
.guiji-card{
  background:var(--card);border:1px solid var(--line);border-radius:16px;padding:28px 28px;
  cursor:pointer;transition:all .35s;position:relative;overflow:hidden;
}
.guiji-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--cinnabar),var(--gold));transform:scaleX(0);transform-origin:left;transition:transform .4s}
.guiji-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--gold)}
.guiji-card:hover::before{transform:scaleX(1)}
.guiji-card .g-name{font-size:21px;color:var(--brown);letter-spacing:2px;margin-bottom:6px}
.guiji-card .g-sub{font-size:13px;color:var(--ink3);letter-spacing:1px;margin-bottom:12px}
.guiji-card .g-intro{font-size:13.5px;color:var(--ink2);line-height:1.9;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.guiji-card .g-meta{display:flex;gap:14px;font-size:12px;color:var(--gold-deep)}
.guiji-section-name{
  font-size:15px;color:var(--gold-deep);letter-spacing:2px;margin-bottom:16px;
  padding:10px 18px;background:var(--gold-soft);border-radius:10px;display:inline-block;
}
.guiji-orig{
  font-size:17px;line-height:2.1;color:#4E4130;padding:20px 24px;margin:0 0 22px;
  background:var(--bg2);border-left:4px solid var(--gold);border-radius:0 12px 12px 0;
}
.guiji-trans{
  font-size:15.5px;line-height:2;color:#4E4130;padding:14px 22px;margin:0 0 26px;
  background:var(--card);border-left:4px solid var(--cinnabar);border-radius:0 12px 12px 0;
}
.guiji-trans::before{content:'白话解读';display:block;font-size:12px;color:var(--cinnabar);letter-spacing:2px;margin-bottom:8px}
@media(max-width:600px){.guiji-banner{padding:24px 22px}.guiji-more{width:100%;text-align:center}}

/* ═══ 留言板 · 大气版 ═══ */
.forum-hero{text-align:center;padding:30px 6% 20px}
.forum-hero .hero-orn{display:inline-block;font-size:13px;letter-spacing:6px;color:var(--gold-deep);border:1px solid var(--gold);border-radius:999px;padding:6px 22px;background:var(--gold-soft);margin-bottom:20px}
.forum-hero h1{font-size:clamp(34px,5.5vw,56px);letter-spacing:12px;color:var(--brown);line-height:1.3}
.forum-hero p{color:var(--ink2);margin-top:16px;letter-spacing:3px;font-size:16px}
.forum-hero .hero-line{width:72px;height:3px;margin:22px auto 0;background:linear-gradient(90deg,var(--cinnabar),var(--gold));border-radius:3px}
.forum-layout{max-width:1320px;margin:0 auto;padding:34px 5% 90px}
.forum-boards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:34px}
.board-btn{
  position:relative;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;
  gap:6px;padding:22px 26px;border-radius:16px;border:1px solid var(--line);
  background:var(--card);font-family:inherit;cursor:pointer;text-align:left;
  transition:all .3s;overflow:hidden;
}
.board-btn::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--cinnabar),var(--gold));
  transform:scaleX(0);transform-origin:left;transition:transform .4s;
}
.board-btn:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--gold)}
.board-btn:hover::before{transform:scaleX(1)}
.board-btn.active{
  background:linear-gradient(135deg,var(--cinnabar),var(--cinnabar-deep));
  border-color:transparent;color:#FFF6E6;box-shadow:0 8px 26px rgba(199,91,57,.35);
}
.board-btn.active::before{transform:scaleX(1)}
.board-btn .b-name{font-size:19px;letter-spacing:3px;font-weight:bold}
.board-btn .b-sub{font-size:12px;letter-spacing:1.5px;opacity:.72}
.board-btn .n{font-size:11.5px;opacity:.6;margin-top:2px}
.board-btn.active .b-sub{opacity:.9}
.forum-main{min-width:0}
.forum-toolbar{
  display:flex;align-items:flex-end;justify-content:space-between;gap:14px;
  margin-bottom:26px;flex-wrap:wrap;padding-bottom:18px;border-bottom:1px solid var(--line);
}
.forum-title{font-size:clamp(24px,3vw,32px);letter-spacing:4px;color:var(--brown);font-weight:bold}
.forum-title .sub{display:block;font-size:13px;color:var(--ink3);letter-spacing:2px;margin-top:6px;font-weight:normal}
.btn-new{
  padding:12px 28px;border-radius:999px;border:none;font-family:inherit;
  background:linear-gradient(135deg,var(--cinnabar),var(--cinnabar-deep));
  color:#FFF6E6;font-size:15px;letter-spacing:2px;cursor:pointer;
  box-shadow:0 5px 16px rgba(199,91,57,.32);transition:all .3s;
}
.btn-new:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(199,91,57,.42)}
.post-list{display:flex;flex-direction:column;gap:20px}
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:18px;
  padding:28px 32px;cursor:pointer;transition:all .35s;position:relative;
}
.post-card:hover{border-color:var(--gold);transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.post-card .p-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.post-card .p-tag{font-size:11.5px;letter-spacing:1.5px;color:var(--gold-deep);background:var(--gold-soft);border-radius:999px;padding:3px 13px}
.post-card .p-time{font-size:12.5px;color:var(--ink3);letter-spacing:.5px}
.post-card .p-pin{font-size:11.5px;color:var(--cinnabar);background:var(--cinnabar-soft);border-radius:999px;padding:3px 13px}
.post-card h3{font-size:20px;letter-spacing:.5px;color:var(--brown);margin-bottom:8px;line-height:1.5}
.post-card:hover h3{color:var(--cinnabar)}
.post-card .p-excerpt{font-size:14.5px;color:var(--ink2);line-height:1.9;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card .p-meta{display:flex;gap:22px;margin-top:16px;font-size:13px;color:var(--ink3)}
.post-card .p-meta span{display:flex;align-items:center;gap:5px}
.empty-forum{text-align:center;padding:70px 0;color:var(--ink3);font-size:16px;letter-spacing:2px}
.empty-forum .icon{font-size:44px;display:block;margin-bottom:16px}
.compose-panel{display:none;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:34px 38px;margin-bottom:30px;box-shadow:var(--shadow-lg)}
.compose-panel.open{display:block}
.compose-panel h3{font-size:20px;letter-spacing:3px;color:var(--brown);margin-bottom:20px}
.compose-panel label{display:block;font-size:13.5px;color:var(--ink2);margin:16px 0 7px;letter-spacing:1.5px}
.compose-panel input,.compose-panel textarea,.compose-panel select{
  width:100%;padding:14px 18px;border-radius:12px;border:1.5px solid var(--line);
  background:#FFFDF6;font-family:inherit;font-size:15.5px;color:var(--ink);outline:none;transition:all .3s;
}
.compose-panel input:focus,.compose-panel textarea:focus,.compose-panel select:focus{border-color:var(--gold);box-shadow:0 0 0 4px var(--gold-soft)}
.compose-panel textarea{min-height:140px;resize:vertical;line-height:2}
.compose-actions{display:flex;gap:14px;margin-top:22px}
.compose-panel .btn{flex:1;padding:14px}
.compose-note{font-size:12.5px;color:var(--ink3);margin-top:14px;letter-spacing:.5px}
.post-detail{display:none;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:38px 42px}
.post-detail.open{display:block}
.d-back{display:inline-block;font-size:13.5px;color:var(--cinnabar);cursor:pointer;border:1px solid var(--cinnabar);border-radius:999px;padding:6px 18px;margin-bottom:24px;transition:all .25s;background:transparent;font-family:inherit;letter-spacing:1.5px}
.d-back:hover{background:var(--cinnabar);color:#FFF6E6}
.d-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.d-top .p-tag{font-size:12px;letter-spacing:1.5px;color:var(--gold-deep);background:var(--gold-soft);border-radius:999px;padding:3px 14px}
.d-top .p-time{font-size:13px;color:var(--ink3)}
.d-title{font-size:clamp(24px,3vw,32px);letter-spacing:1.5px;color:var(--brown);line-height:1.5;margin-bottom:22px}
.d-body{font-size:17px;line-height:2.15;color:#4E4130;white-space:pre-wrap;padding-bottom:28px;border-bottom:1px solid var(--line)}
.d-replies-title{font-size:19px;letter-spacing:2.5px;color:var(--brown);margin:28px 0 18px}
.reply-item{background:var(--bg2);border-radius:14px;padding:20px 24px;margin-bottom:14px}
.reply-item .r-head{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.reply-item .r-name{font-size:14px;color:var(--cinnabar);font-weight:bold;letter-spacing:1px}
.reply-item .r-time{font-size:12px;color:var(--ink3)}
.reply-item .r-body{font-size:15.5px;line-height:1.95;color:#4E4130;white-space:pre-wrap}
.d-reply-form{margin-top:30px}
.d-reply-form textarea{
  width:100%;padding:14px 18px;border-radius:12px;border:1.5px solid var(--line);background:#FFFDF6;
  font-family:inherit;font-size:15px;color:var(--ink);outline:none;transition:all .3s;
  min-height:100px;resize:vertical;line-height:1.9;
}
.d-reply-form textarea:focus{border-color:var(--gold);box-shadow:0 0 0 4px var(--gold-soft)}
.d-reply-form .btn{margin-top:14px;float:right;padding:12px 26px}
.d-reply-form::after{content:'';display:block;clear:both}

/* ═══ 返回顶部 ═══ */
.back-top{
  position:fixed;right:26px;bottom:34px;width:48px;height:48px;border-radius:50%;
  background:linear-gradient(140deg,var(--cinnabar),var(--cinnabar-deep));
  color:#FFF6E6;border:none;font-size:20px;cursor:pointer;
  opacity:0;pointer-events:none;transition:all .35s;
  box-shadow:0 8px 22px rgba(199,91,57,.4);z-index:90;
}
.back-top.show{opacity:1;pointer-events:auto}
.back-top:hover{transform:translateY(-3px)}

/* ═══ 手机端分类选择 + 抽屉 ═══ */
.mobile-cat-bar{display:none}
.cat-drawer-mask{display:none}
.cat-drawer{display:none}
@media(max-width:1024px){
  .book-side{flex-basis:220px}
  .book-side-head{padding:20px 18px}
  .side-cats{padding:8px}
  .book-cat{padding:11px 14px}
  .book-cat .bc-sub{display:none}
}
@media(max-width:900px){
  .mobile-cat-bar.hide{display:none}
  .mobile-cat-bar{
    display:flex;align-items:center;gap:10px;
    margin:12px 5% 0;padding:10px 16px;
    background:var(--card);border:1px solid var(--line);border-radius:12px;
    box-shadow:var(--shadow);cursor:pointer;position:relative;z-index:5;
  }
  .mobile-cat-bar .mcb-label{font-size:12px;color:var(--ink3);letter-spacing:2px;flex-shrink:0}
  .mobile-cat-bar .mcb-cur{flex:1;text-align:right;font-size:14px;color:var(--cinnabar);font-weight:bold;letter-spacing:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .mobile-cat-bar .mcb-arrow{width:16px;height:16px;color:var(--gold-deep);flex-shrink:0;transition:transform .3s}
  .mobile-cat-bar.open .mcb-arrow{transform:rotate(180deg)}
  .cat-drawer-mask{
    position:fixed;inset:0;z-index:150;background:rgba(30,24,16,.5);
    backdrop-filter:blur(2px);opacity:0;pointer-events:none;transition:opacity .3s;
  }
  .cat-drawer-mask.open{display:block;opacity:1;pointer-events:auto}
  .cat-drawer{
    position:fixed;left:0;right:0;bottom:0;z-index:151;
    background:var(--card);border-radius:22px 22px 0 0;
    box-shadow:0 -10px 40px rgba(0,0,0,.2);
    transform:translateY(100%);transition:transform .35s cubic-bezier(.2,.8,.3,1);
    padding:10px 5% calc(22px + env(safe-area-inset-bottom));
    max-height:74vh;display:block;overflow-y:auto;
  }
  .cat-drawer.open{transform:translateY(0)}
  .cd-handle{width:42px;height:4px;border-radius:4px;background:var(--line);margin:0 auto 14px}
  .cd-head{
    font-size:16px;letter-spacing:3px;color:var(--brown);text-align:center;margin-bottom:16px;font-weight:bold;
    display:flex;align-items:center;justify-content:center;gap:8px;
  }
  .cd-head::before,.cd-head::after{content:'';width:26px;height:1px;background:linear-gradient(90deg,transparent,var(--gold))}
  .cd-head::after{background:linear-gradient(90deg,var(--gold),transparent)}
  .cd-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding-bottom:8px}
  .cd-item{
    display:flex;align-items:center;gap:12px;padding:12px 12px 12px 14px;
    background:var(--card);border:1.5px solid var(--gold);border-radius:13px;
    cursor:pointer;transition:all .25s;position:relative;overflow:hidden;
    box-shadow:0 2px 8px rgba(74,48,40,.04);
  }
  .cd-item .cd-num{
    flex-shrink:0;width:26px;height:26px;border-radius:8px;
    background:var(--cinnabar-soft);color:var(--cinnabar);
    font-size:12px;font-weight:bold;display:flex;align-items:center;justify-content:center;
    transition:all .25s;
  }
  .cd-item:hover{border-color:var(--gold-deep);transform:translateY(-2px);box-shadow:var(--shadow);background:var(--gold-soft)}
  .cd-item:hover .cd-num{background:var(--gold);color:#FFFDF6}
  .cd-item.active{
    background:linear-gradient(135deg,var(--cinnabar),var(--cinnabar-deep));
    border-color:transparent;color:#FFF6E6;box-shadow:0 5px 16px rgba(199,91,57,.32);
  }
  .cd-item.active .cd-num{background:rgba(255,246,230,.22);color:#FFF6E6}
  .cd-item .cd-name{font-size:15px;color:var(--brown);letter-spacing:1px;flex:1;transition:color .2s}
  .cd-item.active .cd-name{color:#FFF6E6;font-weight:bold}
  .cd-item .cd-count{font-size:11.5px;color:var(--gold-deep);flex-shrink:0;transition:color .2s}
  .cd-item.active .cd-count{color:rgba(255,246,230,.85)}
  .cd-item .cd-check{
    color:#FFF6E6;font-size:14px;display:none;flex-shrink:0;
    width:20px;height:20px;border-radius:50%;background:rgba(255,246,230,.25);
    align-items:center;justify-content:center;line-height:1;
  }
  .cd-item.active .cd-check{display:flex}
  .cat-drawer::-webkit-scrollbar{width:0;height:0}
  .book-layout{flex-direction:column}
  .book-side{display:none}
  .book-main{padding:16px 5% 60px}
  .art-list{grid-template-columns:1fr}
  .forum-hero{padding:16px 6% 20px}
  .reader-head{top:46px}
}
[data-theme="dark"] .cat-drawer{background:var(--card)}
[data-theme="dark"] .cat-drawer-mask{background:rgba(0,0,0,.6)}
[data-theme="dark"] .guiji-banner{background:linear-gradient(120deg,#241B14 0%,#2E2118 60%,#33241B 100%)}
[data-theme="dark"] .guiji-title{color:#F1E7CE}
[data-theme="dark"] .guiji-sub{color:#B8A988}
[data-theme="dark"] .guiji-orig{background:#241D17}
[data-theme="dark"] .reader-body{color:#D8CDBB}
[data-theme="dark"] .reader-body blockquote{color:#D8CDBB;background:var(--bg2)}
[data-theme="dark"] .reader-body h4{color:#E3D5BC}
[data-theme="dark"] .reader-body td{color:#D8CDBB}
[data-theme="dark"] .book-hero h1,
[data-theme="dark"] .forum-hero h1{color:#E8D9BD}
[data-theme="dark"] .cat-card,
[data-theme="dark"] .art-card,
[data-theme="dark"] .guiji-card,
[data-theme="dark"] .book-side,
[data-theme="dark"] .board-btn{background:var(--card)}
[data-theme="dark"] .book-side-head{background:linear-gradient(120deg,var(--gold-soft),transparent 60%)}
@media(max-width:1024px){.forum-boards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){
  .forum-hero h1{font-size:clamp(24px,6.4vw,30px);letter-spacing:5px}
  .forum-hero p{font-size:14px;letter-spacing:1.5px;line-height:1.8}
  .forum-boards{grid-template-columns:1fr;gap:10px}
  .board-btn{padding:16px 20px}
  .board-btn .b-name{font-size:17px;letter-spacing:2px}
  .post-card{padding:22px 20px}
  .post-detail{padding:28px 22px}
  .compose-panel{padding:26px 22px}
  .forum-title{font-size:22px;letter-spacing:2px}
  .book-cat{flex-basis:calc(50% - 8px);padding:13px 14px}
  .book-cat .n{display:none}
  .art-card{padding:20px 18px}
}