/* ===========================================================
   志书数字图书馆 · 前台样式 V3（极简黑白风，对齐参考设计稿）
   纯手写 CSS，无构建步骤，无第三方依赖
   =========================================================== */
:root{
  --ink:#111315;          /* 主黑 */
  --ink-2:#2b2e33;
  --muted:#8a9099;        /* 次要灰 */
  --faint:#b8bdc4;
  --bg:#ffffff;
  --bg-soft:#f6f7f9;      /* 封面/占位浅灰底 */
  --card:#ffffff;
  --text:#1c1f24;
  --border:#f0f1f3;
  --border-2:#e3e5e9;     /* 控件描边 */
  --red:#f0413e;
  --ok:#178a50;
  --warn:#b26a00;
  --danger:#d92d20;
  --radius:12px;
  --radius-sm:9px;
  --serif:inherit;
  /* 首页点缀色（低饱和，保持极简黑白基调） */
  --brand:#2e6be6;
  --brand-soft:#eef4fe;
  --jade:#1c9c74;
  --jade-soft:#eafaf3;
  --shadow-sm:0 1px 2px rgba(17,19,21,.04);
  --shadow:0 10px 30px -18px rgba(17,19,21,.25);
  --shadow-lg:0 18px 44px -20px rgba(17,19,21,.3);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--text);
  font:14.5px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
}
::selection{background:rgba(17,19,21,.12)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#d6d9de;border-radius:8px;border:2px solid #fff}
::-webkit-scrollbar-thumb:hover{background:#c0c4cb}
::-webkit-scrollbar-track{background:transparent}
a{color:var(--ink);text-decoration:none;transition:color .15s}
a:hover{color:#000}
img{max-width:100%;display:block}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.45;font-weight:700;color:var(--ink)}
h1{font-size:26px}h2{font-size:19px}h3{font-size:16px}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
.container{width:min(1200px,100% - 40px);margin-inline:auto}
.muted{color:var(--muted)}
.small{font-size:13px}
.center{text-align:center}
.mt8{margin-top:8px}.mt16{margin-top:16px}.mt24{margin-top:24px}.mt32{margin-top:32px}
.mb8{margin-bottom:8px}.mb12{margin-bottom:12px}.mb16{margin-bottom:16px}.mb24{margin-bottom:24px}
.mt4{margin-top:4px}.mt12{margin-top:12px}
.row{display:flex;gap:12px;align-items:center}
.row.wrap{flex-wrap:wrap}
.spacer{flex:1}
.hide{display:none!important}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:8px 16px;border-radius:var(--radius-sm);border:1px solid var(--border-2);
  background:#fff;color:var(--ink);font-size:14px;cursor:pointer;
  transition:.16s;white-space:nowrap;line-height:1.5;box-shadow:none;font-family:inherit;
}
.btn:hover{border-color:var(--ink);color:var(--ink)}
.btn:active{transform:translateY(1px)}
.btn-primary{
  background:var(--ink);border-color:var(--ink);color:#fff;
}
.btn-primary:hover{background:#000;border-color:#000;color:#fff}
.btn-accent{background:var(--ink-2);border-color:var(--ink-2);color:#fff}
.btn-accent:hover{background:#000;border-color:#000;color:#fff}
.btn-danger{background:#fff;border-color:#f3c6c4;color:var(--danger)}
.btn-danger:hover{background:#fef3f2;border-color:var(--danger);color:var(--danger)}
.btn-sm{padding:5px 12px;font-size:13px;border-radius:7px}
.btn-lg{padding:11px 24px;font-size:14.5px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-block{width:100%}
/* 详情页大按钮：黑主 / 白描边 */
.btn-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;background:var(--ink);color:#fff;
  border:1px solid var(--ink);border-radius:9px;font-size:14px;font-weight:500;
  cursor:pointer;transition:.16s;white-space:nowrap;
}
.btn-dark:hover{background:#000;color:#fff}
.btn-dark:disabled{opacity:.45;cursor:not-allowed}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;background:#fff;color:var(--ink);
  border:1px solid var(--border-2);border-radius:9px;font-size:14px;
  cursor:pointer;transition:.16s;white-space:nowrap;
}
.btn-ghost:hover{border-color:var(--ink)}
.btn-ghost:disabled{opacity:.45;cursor:not-allowed}
/* 小描边按钮：收藏 / 纠错 / 举报 */
.mini-btn{
  display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 16px;
  border:1px solid var(--border-2);border-radius:8px;background:#fff;color:#3a3e45;
  font-size:13px;cursor:pointer;transition:.16s;font-family:inherit;white-space:nowrap;
}
.mini-btn:hover{border-color:var(--ink);color:var(--ink)}
.mini-btn.on{border-color:var(--red);color:var(--red);background:#fff6f5;font-weight:500}
.mini-btn .fav-icon{font-size:15px;line-height:1}

/* ---------- 顶栏（参考稿：logo | 滚动公告 | 铃铛 + 用户） ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  /* 加深顶栏底色（深墨蓝渐变），让悬浮菜单与页面白底形成层次、更沉稳协调 */
  background:linear-gradient(180deg,#191c22,#23272f);
  border-bottom:1px solid rgba(255,255,255,.08);
  /* 顶部品牌色渐变细条：与首页标题下的点缀条、胶囊 hover 同源，整体更协调 */
  box-shadow:0 10px 26px -20px rgba(0,0,0,.85);
}
/* 顶部 3px 渐变强调条（品牌蓝 → 玉色） */
.site-header::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;z-index:1;
  background:linear-gradient(90deg,var(--brand),#7aa2f5 50%,var(--jade));
}
.hd-main{display:flex;align-items:center;gap:24px;height:54px;position:relative}
.logo{flex:none;display:inline-flex;align-items:center;gap:9px;font-size:18px;font-weight:700;color:#fff;letter-spacing:.02em}
.logo:hover{color:#fff}
/* logo 前的方形渐变标记，给顶栏一抹品牌色 */
.logo-mark{
  width:22px;height:22px;border-radius:6px;flex:none;
  background:linear-gradient(135deg,var(--brand),var(--jade));
  box-shadow:0 2px 6px -2px rgba(46,107,230,.6);
  position:relative;
}
.logo-mark::after{
  content:"";position:absolute;inset:0;margin:auto;width:11px;height:8px;
  border:2px solid #fff;border-radius:2px;border-right:0;border-top:0;
  transform:rotate(-45deg) translate(0.5px,-1px);
}
/* ---------- 顶部主导航（馆藏目录含「所属分类」下拉） ---------- */
.hd-nav{flex:none;display:flex;align-items:center;gap:0;height:54px}
.hd-nav-item,.hd-nav-toggle{
  display:inline-flex;align-items:center;gap:3px;height:54px;padding:0 13px;
  font-size:14.5px;font-weight:500;color:#3a3e45;position:relative;transition:color .16s;
}
.hd-nav-item:hover,.hd-nav-toggle:hover{color:var(--brand)}
/* 当前页：文字加粗 + 底部品牌渐变短条（与顶栏强调条同源） */
.hd-nav-item > span.on,.hd-nav-toggle > span.on{color:var(--ink);font-weight:600}
.hd-nav-item > span.on::after,.hd-nav-toggle > span.on::after{
  content:"";position:absolute;left:13px;right:13px;bottom:9px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--jade));
}
.hd-nav-drop{position:relative;height:54px}
.hd-nav-toggle svg{opacity:.55;transition:transform .18s ease}
.hd-nav-drop:hover .hd-nav-toggle{color:var(--brand)}
.hd-nav-drop:hover .hd-nav-toggle svg{transform:rotate(180deg)}
.hd-nav-drop:hover .hd-drop{opacity:1;transform:translate(-50%,0);pointer-events:auto}
/* 分类下拉：居中对齐 + 顶部渐变细条，保持极简基调 */
.hd-drop{
  position:absolute;left:50%;top:54px;transform:translate(-50%,-6px);
  min-width:190px;padding:8px;background:#fff;border:1px solid var(--border-2);
  border-radius:12px;box-shadow:var(--shadow-lg);
  opacity:0;pointer-events:none;transition:opacity .16s ease,transform .16s ease;z-index:60;
}
.hd-drop::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;border-radius:12px 12px 0 0;
  background:linear-gradient(90deg,var(--brand),#7aa2f5 50%,var(--jade));
}
.hd-drop-item{display:block;padding:9px 12px;border-radius:8px;font-size:13.5px;color:#3a3e45;white-space:nowrap}
.hd-drop-item:hover{background:var(--brand-soft);color:var(--brand);text-decoration:none}
.hd-drop-item.on{background:var(--brand-soft);color:var(--brand);font-weight:600}
/* 二级分类缩进，体现层级 */
.hd-drop-item.sub{padding-left:26px;font-size:13px}
.hd-drop-sep{height:1px;background:var(--border);margin:4px 6px}
.hd-drop-empty{display:block;padding:9px 12px;font-size:13px;color:var(--faint)}
@media (max-width:900px){.hd-nav{display:none}}
/* 顶部公告：逐条切换（JS 控制，一条停留数秒后向上切出、下一条切入） */
.ticker{flex:1;height:54px;overflow:hidden;min-width:0;position:relative}
.ticker-item{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  padding:0 14px;font-size:13.5px;color:#3a3e45;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  opacity:0;transform:translateY(70%);pointer-events:none;
  transition:opacity .45s ease,transform .45s ease;
}
.ticker-item.on{opacity:1;transform:none;pointer-events:auto}
.ticker-item.leave{opacity:0;transform:translateY(-70%)}
.ticker-item:hover{color:#000}
.hd-right{flex:none;display:flex;align-items:center;gap:16px}
.bell{position:relative;display:inline-flex;align-items:center;color:#33343a;padding:4px}
.bell:hover{color:var(--brand)}
.badge-dot{
  position:absolute;top:-3px;right:-6px;min-width:16px;height:16px;padding:0 4px;
  border-radius:8px;background:var(--red);color:#fff;font-size:10.5px;line-height:16px;
  text-align:center;font-weight:600;
}
.hd-login{font-size:14px;color:var(--ink);font-weight:500}
.hd-login:hover{color:var(--brand)}
/* 注册按钮：填充品牌色胶囊，与登录文字形成视觉层级，给顶栏添色 */
.hd-register{
  display:inline-flex;align-items:center;height:32px;padding:0 16px;margin-left:6px;
  background:linear-gradient(135deg,var(--brand),#4f8af0);color:#fff;font-weight:600;
  border-radius:999px;box-shadow:0 4px 12px -6px rgba(46,107,230,.7);transition:.16s;
}
.hd-register:hover{color:#fff;filter:brightness(1.06);transform:translateY(-1px)}
/* 用户下拉（纯 CSS hover） */
.user-menu{position:relative}
.user-menu-btn{
  display:inline-flex;align-items:center;gap:6px;background:none;border:0;
  font-size:14px;color:var(--ink);cursor:pointer;font-family:inherit;padding:6px 0;
}
.user-menu-btn svg{color:var(--muted);transition:transform .18s}
.user-menu:hover .user-menu-btn svg{transform:rotate(180deg)}
.user-menu-panel{
  position:absolute;right:0;top:calc(100% + 8px);width:210px;background:#fff;
  border:1px solid var(--border);border-radius:12px;padding:8px;
  box-shadow:0 16px 40px -16px rgba(17,19,21,.25);
  opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s;z-index:60;
}
.user-menu:hover .user-menu-panel,
.user-menu:focus-within .user-menu-panel{opacity:1;visibility:visible;transform:none}
.um-head{padding:8px 10px 10px;border-bottom:1px solid var(--border);margin-bottom:6px}
.um-head b{display:block;font-size:14px;color:var(--ink);line-height:1.5}
.um-head span{font-size:12px;color:var(--muted)}
.user-menu-panel a,
.user-menu-panel button{
  display:flex;width:100%;padding:8px 10px;font-size:13.5px;color:#3a3e45;
  border:0;background:none;cursor:pointer;border-radius:7px;font-family:inherit;text-align:left;
}
.user-menu-panel a:hover,
.user-menu-panel button:hover{background:var(--bg-soft);color:var(--ink)}

/* ---------- 布局 ---------- */
.layout{display:grid;grid-template-columns:1fr 300px;gap:32px;align-items:start}
.layout.full{grid-template-columns:1fr}
@media (max-width:900px){
  .layout{grid-template-columns:1fr}
  .ticker{display:none}
}
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;
}
.card-pad{padding:20px}
.card + .card{margin-top:20px}
.card-head{
  padding:14px 20px;border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:10px;
}
.card-head h2,.card-head h3{margin:0;font-size:15.5px}
.card-body{padding:20px}
/* 首页区块标题（无卡片壳） */
.sec-head{display:flex;align-items:baseline;gap:12px;margin:34px 0 18px}
.sec-head h2{margin:0;font-size:18px;font-weight:700}
.sec-head a{font-size:13px;color:var(--muted)}
.sec-head a:hover{color:var(--ink)}
.side-title{
  padding:13px 18px;border-bottom:1px solid var(--border);
  font-weight:600;font-size:14.5px;color:var(--ink);
}
.side-list{padding:6px 18px}
.side-list li{padding:9px 0;border-bottom:1px solid var(--border);font-size:13.5px}
.side-list li:last-child{border:0}
.side-list a{display:flex;justify-content:space-between;gap:10px;color:#3a3e45}
.side-list a:hover{color:var(--ink)}
.side-list a.active{color:var(--ink);font-weight:600}

/* ---------- 目录/首页 头部：居中标题 + 搜索 + 分类胶囊 ---------- */
.catalog-head{text-align:center;padding:46px 0 6px;position:relative}
/* 柔和色带：仅作背景点缀，不占据布局空间（负 z-index 沉到文字之下） */
.catalog-head::before{
  content:"";position:absolute;z-index:-1;pointer-events:none;
  top:-28px;left:50%;transform:translateX(-50%);width:100vw;height:calc(100% + 34px);
  background:
    radial-gradient(920px 300px at 18% -8%, rgba(46,107,230,.10), transparent 62%),
    radial-gradient(780px 280px at 84% 4%,  rgba(28,156,116,.10), transparent 64%),
    linear-gradient(180deg,#fbfcfe 0%,#f6f9fd 58%,rgba(246,249,253,0) 100%);
}
.catalog-head h1{
  font-size:30px;font-weight:700;color:var(--ink);margin:0 0 10px;letter-spacing:.02em;
}
/* 标题下的一小段渐变点缀条 */
.catalog-head h1::after{
  content:"";display:block;width:56px;height:3px;border-radius:3px;margin:12px auto 0;
  background:linear-gradient(90deg,var(--brand),#7aa2f5 55%,var(--jade));
}
.catalog-sub{font-size:13px;color:var(--muted);margin:14px 0 28px}
.catalog-search{position:relative;max-width:540px;margin:0 auto 22px}
.catalog-search svg{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  color:#9aa0a8;pointer-events:none;
}
.catalog-search input[type=text]{
  width:100%;height:44px;border:1px solid var(--border-2);border-radius:10px;
  padding:0 16px 0 44px;font-size:14px;background:#fff;color:var(--text);outline:none;
  transition:border-color .15s;box-shadow:none;font-family:inherit;
}
.catalog-search input[type=text]::placeholder{color:#a6acb4}
.catalog-search input[type=text]:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(46,107,230,.10)}
.catalog-pills{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}
.pill{
  display:inline-flex;align-items:center;height:30px;padding:0 15px;
  border:1px solid var(--border-2);border-radius:6px;font-size:13px;color:#42464d;
  background:#fff;transition:.18s;
}
.pill:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.pill.active{
  background:var(--brand);border-color:var(--brand);color:#fff;font-weight:500;
  box-shadow:0 4px 12px -6px rgba(46,107,230,.7);
}
.catalog-toolbar{display:flex;align-items:center;gap:8px;padding:26px 2px 16px;flex-wrap:wrap}
.catalog-toolbar .count{font-size:13px;color:var(--muted)}
.catalog-toolbar select{
  width:auto;height:32px;padding:0 26px 0 10px;font-size:12.5px;border-radius:6px;
  border-color:var(--border-2);box-shadow:none;background-color:#fff;
}
.catalog-toolbar .reset{font-size:12.5px;color:var(--muted)}
.catalog-toolbar .reset:hover{color:var(--ink)}

/* ---------- 志书卡片（扁平无边框） ---------- */
.book-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px 22px}
.book-grid.cols-3{grid-template-columns:repeat(3,1fr)}
/* 首页：胶囊区与卡片网格的间距 */
.home-grid{margin-top:34px}
@media (max-width:1000px){.book-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:760px){.book-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:460px){.book-grid{grid-template-columns:1fr}}
.book-card{display:flex;flex-direction:column;color:inherit}
.book-cover{
  position:relative;aspect-ratio:3/4;border-radius:10px;overflow:hidden;
  background:var(--bg-soft);display:grid;place-items:center;
  box-shadow:0 0 0 1px rgba(17,19,21,.05);
  transition:box-shadow .22s,transform .22s;
}
.book-card:hover .book-cover{box-shadow:0 12px 26px -16px rgba(17,19,21,.45),0 0 0 1px rgba(46,107,230,.28)}
.book-card:hover .book-info h3{color:var(--brand)}
/* 无封面时显示线性书本图标（数据 URI，零依赖） */
.book-cover:not(:has(img))::before,
.cover-big:not(:has(img))::before{
  content:"";display:block;background:center/contain no-repeat;pointer-events:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c3c8cf' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 6.5C10.2 4.9 7.8 4.4 5 4.4v13.8c2.8 0 5.2.5 7 2.1 1.8-1.6 4.2-2.1 7-2.1V4.4c-2.8 0-5.2.5-7 2.1z'/%3E%3Cpath d='M12 6.5v13.8'/%3E%3C/svg%3E");
}
.book-cover:not(:has(img))::before{width:42px;height:42px;opacity:.9}
.cover-big:not(:has(img))::before{width:76px;height:76px}
.book-cover img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform .35s cubic-bezier(.4,0,.2,1);
}
.book-card:hover .book-cover img{transform:scale(1.045)}
.book-info{padding:11px 2px 0}
.book-info h3{
  font-size:14.5px;font-weight:600;color:var(--ink);margin:0 0 6px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.book-info h3 .card-sub{font-weight:400;color:var(--muted);font-size:13px}
.book-meta{
  display:flex;justify-content:space-between;align-items:center;gap:8px;
  font-size:12px;color:var(--muted);
}
.book-meta .card-pub{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.badge-status{
  flex:none;font-size:11px;color:#6a6f77;background:#fff;
  border:1px solid var(--border-2);border-radius:4px;padding:1px 7px;line-height:1.7;
}
/* 首页卡片：状态徽标做成柔和的绿色点缀 */
.home-grid .badge-status{background:var(--jade-soft);color:var(--jade);border-color:#cdeee0}
.tag{
  display:inline-block;padding:1px 8px;border-radius:4px;font-size:12px;
  background:var(--bg-soft);color:#4a4f57;border:1px solid var(--border-2);
}
.tag.red{background:#fef2f1;color:var(--red);border-color:#fbdcda}
.tag.green{background:#f0faf4;color:var(--ok);border-color:#d3eedd}
.tag.gold{background:#fdf7ea;color:var(--warn);border-color:#f2e4c4}
.tag.gray{background:var(--bg-soft);color:var(--muted);border-color:var(--border-2)}
.pill-group{
  display:inline-block;padding:1px 7px;border-radius:4px;font-size:11px;color:#fff;
  line-height:1.7;vertical-align:1px;
}

/* ---------- 详情 ---------- */
.crumbs{font-size:13px;color:var(--muted);padding:20px 0 16px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--ink)}
.detail{display:grid;grid-template-columns:290px 1fr;gap:40px;padding-bottom:36px}
@media (max-width:800px){.detail{grid-template-columns:1fr;gap:24px}}
.cover-big{
  position:relative;aspect-ratio:3/4;border-radius:12px;overflow:hidden;
  background:var(--bg-soft);border:1px solid var(--border);
  display:grid;place-items:center;color:var(--ink);
}
.cover-big img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cover-dots{display:flex;justify-content:center;gap:7px;padding:14px 0 4px}
.cover-dots span{width:6px;height:6px;border-radius:50%;background:#e0e2e6;cursor:pointer;transition:background .2s,transform .2s}
.cover-dots span.on{background:var(--ink);transform:scale(1.15)}
.cover-stats{padding-top:8px}

/* ---------- 封面轮播 ---------- */
.cover-slider{cursor:zoom-in}
.cover-track{position:absolute;inset:0}
.cover-slide{
  position:absolute;inset:0;opacity:0;transition:opacity .35s ease;
  pointer-events:none;
}
.cover-slide.on{opacity:1;pointer-events:auto}
.cover-slide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cover-nav{
  position:absolute;top:50%;transform:translateY(-50%);z-index:3;
  width:32px;height:32px;border-radius:50%;border:none;cursor:pointer;
  background:rgba(255,255,255,.86);color:#20242b;display:grid;place-items:center;
  box-shadow:0 2px 8px rgba(16,24,40,.18);opacity:0;transition:opacity .2s;
}
.cover-slider:hover .cover-nav{opacity:1}
.cover-nav svg{width:16px;height:16px}
.cover-nav.prev{left:10px}
.cover-nav.next{right:10px}
.cover-count{
  position:absolute;right:10px;bottom:10px;z-index:3;border-radius:20px;
  background:rgba(20,22,26,.62);color:#fff;font-size:11.5px;padding:3px 10px;line-height:1.5;
}
.cover-zoom-hint{
  position:absolute;left:10px;bottom:10px;z-index:3;border-radius:20px;
  background:rgba(20,22,26,.62);color:#fff;font-size:11.5px;padding:3px 10px;line-height:1.5;
  opacity:0;transition:opacity .2s;
}
.cover-slider:hover .cover-zoom-hint{opacity:1}

/* ---------- 封面灯箱 ---------- */
.cover-lightbox{
  position:fixed;inset:0;z-index:9999;background:rgba(14,16,20,.9);
  display:flex;align-items:center;justify-content:center;
}
.cover-lightbox[hidden]{display:none}
.cover-lightbox img{
  max-width:88vw;max-height:88vh;object-fit:contain;border-radius:8px;
  box-shadow:0 18px 50px rgba(0,0,0,.45);background:#fff;
}
.cover-lightbox .lb-close{
  position:absolute;top:18px;right:20px;width:38px;height:38px;border-radius:50%;
  border:none;background:rgba(255,255,255,.14);color:#fff;cursor:pointer;display:grid;place-items:center;
}
.cover-lightbox .lb-close:hover{background:rgba(255,255,255,.26)}
.cover-lightbox .lb-close svg{width:18px;height:18px}
.cover-lightbox .lb-nav{
  position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;
  border:none;background:rgba(255,255,255,.14);color:#fff;cursor:pointer;display:grid;place-items:center;
}
.cover-lightbox .lb-nav:hover{background:rgba(255,255,255,.26)}
.cover-lightbox .lb-nav svg{width:20px;height:20px}
.cover-lightbox .lb-nav.prev{left:26px}
.cover-lightbox .lb-nav.next{right:26px}
.cover-lightbox .lb-count{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);
  background:rgba(255,255,255,.14);color:#fff;font-size:12.5px;padding:5px 14px;border-radius:20px;
}
@media (max-width:600px){
  .cover-lightbox .lb-nav.prev{left:8px}
  .cover-lightbox .lb-nav.next{right:8px}
}
.detail-main h1{font-size:26px;font-weight:700;margin:0 0 20px;line-height:1.4}
.detail-main .subtitle{color:var(--muted);margin:-14px 0 18px;font-size:14px}
.meta-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px 36px;margin-bottom:6px}
@media (max-width:600px){.meta-grid{grid-template-columns:1fr}}
.meta-item{display:flex;font-size:13.5px;line-height:1.65;min-width:0}
.meta-item .k{flex:none;width:80px;color:var(--muted)}
.meta-item .v{color:var(--ink);word-break:break-all}
.detail-tags{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0 4px}
.sec{margin-top:30px}
.sec h3{font-size:16px;font-weight:700;margin:0 0 10px}
.sec .sec-body{white-space:pre-wrap;color:#2c3036;font-size:14px;line-height:1.9}
.sec .sec-body.small{font-size:13.5px;color:#4a4f57}
.dl-btns{display:flex;gap:12px;flex-wrap:wrap}
/* 多附件下载列表 */
.dl-list{
  margin-top:12px;border:1px solid var(--border-2,#e3e5e9);border-radius:10px;overflow:hidden;background:#fff;
}
.dl-list[hidden]{display:none}
.dl-list-head{
  display:flex;align-items:baseline;justify-content:space-between;gap:10px;flex-wrap:wrap;
  padding:10px 14px;background:var(--bg-soft,#f7f8fa);font-size:13px;font-weight:600;
}
.dl-item{
  display:flex;align-items:center;gap:10px;width:100%;text-align:left;
  padding:10px 14px;border:0;border-top:1px solid var(--border,#f0f1f3);background:transparent;
  font:inherit;color:inherit;cursor:pointer;transition:background .15s;
}
.dl-item:hover{background:var(--bg-soft,#f7f8fa)}
.dl-item.busy{opacity:.6;cursor:progress}
.dl-no{
  flex:none;width:22px;height:22px;border-radius:6px;background:var(--brand-soft,#eaf0fd);color:var(--brand,#2e6be6);
  font-size:12px;display:flex;align-items:center;justify-content:center;font-weight:600;
}
.dl-name{flex:1;min-width:0;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dl-size{flex:none;font-size:12.5px;color:var(--muted,#8a919e)}
.dl-go{
  flex:none;font-size:12.5px;color:var(--brand,#2e6be6);padding:2px 10px;border:1px solid var(--brand-soft,#eef4fe);
  border-radius:6px;
}
@media (max-width:520px){.dl-size{display:none}}
.mini-ops{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:22px}
.mini-ops .fav-num{font-size:12.5px;color:var(--muted)}
/* 已采纳纠错对比 */
.diff-box{
  display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px;
}
@media (max-width:640px){.diff-box{grid-template-columns:1fr}}
.diff-box .box{border-radius:8px;padding:10px 14px;font-size:13.5px;line-height:1.8}
.diff-box .box .t{font-size:12px;color:var(--muted);margin-bottom:4px}
.diff-box .box.old{background:var(--bg-soft);border:1px solid var(--border-2)}
.diff-box .box.new{background:#f0faf4;border:1px solid #d3eedd}
.diff-thanks{
  margin-top:2px;padding:8px 12px;border-radius:8px;background:#fbf7ee;border:1px dashed #e8d9b5;
  font-size:12.5px;color:#8a6d3b;
}
.diff-thanks b{color:#6f571f}

/* ---------- 评论 ---------- */
.comment-sec h2{font-size:18px;font-weight:700;margin:0 0 18px}
.comment-sec h2 .cnt{color:var(--muted);font-weight:400;font-size:15px;margin-left:2px}
.comment-who{font-size:13.5px;color:var(--ink);font-weight:500;margin-bottom:8px}
.comment-form-box textarea{min-height:110px;border-radius:10px}
.comment-toolbar{display:flex;align-items:center;gap:12px;margin-top:8px}
.char-count{font-size:12px;color:var(--faint)}
.btn-publish{
  margin-left:auto;height:34px;padding:0 24px;background:var(--ink);color:#fff;
  border:0;border-radius:8px;font-size:13.5px;cursor:pointer;transition:.16s;font-family:inherit;
}
.btn-publish:hover{background:#000}
.comment-list{margin-top:10px}
.comment{padding:16px 0;border-bottom:1px solid #f4f5f7}
.comment:last-child{border-bottom:0}
.comment-children{margin-left:26px;padding-left:16px;border-left:1px solid var(--border)}
.comment-head{display:flex;align-items:center;gap:8px;font-size:12.5px;flex-wrap:wrap}
.comment-head b{font-size:14px;color:var(--ink)}
.comment-time{color:var(--faint)}
.comment-body{margin:6px 0 8px;white-space:pre-wrap;word-break:break-word;font-size:14px;color:#2c3036}
.comment-actions{display:flex;gap:14px;font-size:12.5px}
.comment-actions button{
  background:none;border:0;color:#8a9099;cursor:pointer;padding:0;font-size:12.5px;
  font-family:inherit;transition:.15s;
}
.comment-actions button:hover{color:var(--ink)}
.comment-actions button.on{color:var(--red)}
.quote{
  background:var(--bg-soft);border-left:3px solid var(--border-2);
  border-radius:0 8px 8px 0;padding:8px 12px;margin-bottom:8px;font-size:12.5px;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.reply-box{margin-top:10px;display:none}
.reply-box.open{display:block}
.reply-box textarea{min-height:80px;border-radius:10px}
.avatar{
  width:32px;height:32px;border-radius:50%;flex:none;color:#7a8089;font-size:13px;
  display:grid;place-items:center;background:var(--bg-soft);border:1px solid var(--border);
}

/* ---------- 表单 ---------- */
.form-group{margin-bottom:16px}
.form-group label{display:block;margin-bottom:6px;font-size:13.5px;font-weight:500;color:var(--ink)}
.form-group .hint{font-size:12.5px;color:var(--muted);margin-top:5px}
input[type=text],input[type=password],input[type=email],input[type=number],input[type=tel],
select,textarea{
  width:100%;padding:9px 12px;border:1px solid var(--border-2);border-radius:var(--radius-sm);
  font-size:14px;font-family:inherit;background:#fff;color:var(--text);outline:none;
  transition:border-color .15s;box-shadow:none;
}
input::placeholder,textarea::placeholder{color:#a6acb4}
input:hover,select:hover,textarea:hover{border-color:#c4c9d0}
input:focus,select:focus,textarea:focus{border-color:var(--ink)}
textarea{min-height:110px;resize:vertical;line-height:1.7}
select{
  appearance:none;-webkit-appearance:none;padding-right:30px;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238a9099' d='M1 1.5 6 6.5l5-5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 10px center;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:600px){.form-row{grid-template-columns:1fr}}
.checkbox{display:flex;align-items:center;gap:7px;font-size:14px}
.checkbox input{width:auto}
.field-error{color:var(--danger);font-size:12.5px;margin-top:5px}

/* ---------- 提示 ---------- */
.alert{
  padding:11px 15px;border-radius:var(--radius-sm);margin-bottom:16px;font-size:13.5px;border:1px solid;
}
.alert-success{background:#f2fbf5;border-color:#d3eedd;color:var(--ok)}
.alert-error{background:#fef3f2;border-color:#fbdcdc;color:var(--danger)}
.alert-info{background:#f6f7f9;border-color:var(--border-2);color:#3a3e45}
.alert-info a{text-decoration:underline}
.alert-warning{background:#fffaeb;border-color:#f5e5bf;color:var(--warn)}

/* ---------- 表格 ---------- */
.table{width:100%;border-collapse:collapse;font-size:14px}
.table th,.table td{padding:11px 14px;border-bottom:1px solid var(--border);text-align:left;vertical-align:middle}
.table th{
  background:#fff;font-weight:600;font-size:12.5px;color:var(--muted);
  white-space:nowrap;letter-spacing:.03em;
}
.table tbody tr{transition:background .15s}
.table tbody tr:nth-child(even){background:#fafbfc}
.table tbody tr:hover{background:var(--bg-soft)}
.table .nowrap{white-space:nowrap}

/* ---------- 分页 ---------- */
.pager{margin:36px 0 8px}
.pager ul{display:flex;gap:8px;flex-wrap:wrap;align-items:center;justify-content:center}
.pager li a,.pager li span{
  display:flex;align-items:center;justify-content:center;min-width:32px;height:32px;
  padding:0 10px;border:1px solid var(--border-2);border-radius:8px;
  background:#fff;font-size:13px;color:#42464d;transition:.15s;
}
.pager li a:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.pager li span.active{
  background:var(--brand);border-color:var(--brand);color:#fff;font-weight:500;
  box-shadow:0 4px 12px -6px rgba(46,107,230,.7);
}
.pager li span.disabled{opacity:.4;cursor:not-allowed}
.pager li.dots span{border:0;background:none;padding:0 2px}
.pager li.total{color:var(--faint);font-size:12.5px;margin-left:8px}
.pager li.total span{border:0;padding:0;background:none;min-width:0;height:auto}

/* ---------- 筛选栏（个人中心等页内筛选） ---------- */
.filters{
  display:flex;gap:10px;flex-wrap:wrap;align-items:center;padding:14px 18px;
  border-bottom:1px solid var(--border);
}
.filters select,.filters input{width:auto;padding:7px 11px;font-size:13px;box-shadow:none}

/* ---------- 登录 / 注册 ---------- */
.auth-wrap{max-width:880px;margin:48px auto}
.auth-card{
  display:grid;grid-template-columns:1fr 1.1fr;gap:0;overflow:hidden;
  border:1px solid var(--border);border-radius:16px;background:#fff;box-shadow:var(--shadow);
}
@media (max-width:760px){.auth-card{grid-template-columns:1fr}}
.auth-side{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:38px 32px;
}
.auth-side h2{color:#fff;font-size:22px}
.auth-side p{color:#b9bdc4;font-size:13.5px}
.auth-side li{padding:8px 0 8px 22px;position:relative;font-size:13.5px;color:#d5d8dd}
.auth-side li::before{content:"✓";position:absolute;left:0;color:#8fd6a8}
.tabs{display:flex;border-bottom:1px solid var(--border);margin-bottom:22px;gap:4px}
.tabs button{
  flex:1;padding:12px;background:none;border:0;border-bottom:2px solid transparent;
  font-size:14.5px;cursor:pointer;color:var(--muted);font-family:inherit;transition:.16s;
}
.tabs button:hover{color:var(--ink)}
.tabs button.active{color:var(--ink);border-bottom-color:var(--ink);font-weight:600}
.code-row{display:flex;gap:8px}
.code-row input{flex:1}
.code-row .btn{flex:none;min-width:112px}
/* ---------- 页脚 ---------- */
.footer{
  margin-top:64px;padding:30px 0 36px;border-top:1px solid var(--border);background:#fff;
  text-align:center;
}
.footer .container{font-size:12.5px;color:var(--muted);line-height:2}
.footer a{color:var(--muted)}
.footer a:hover{color:var(--ink)}
/* 页脚导航行（顶栏已精简，导航入口放页脚） */
/* 版权行：版权信息 · 备案号（后台可改）。页脚不再放任何导航，避免暴露后台入口 */
.foot-copy{display:flex;justify-content:center;align-items:baseline;flex-wrap:wrap;gap:0 8px;color:var(--faint)}
.foot-copy .foot-sep{color:var(--border-2)}

/* ---------- 空状态 ---------- */
.empty{padding:56px 20px;text-align:center;color:var(--muted);font-size:13.5px}
.empty-icon{font-size:34px;opacity:.35;margin-bottom:10px}

/* ---------- 公告 ---------- */
.notice-bar{
  display:flex;align-items:center;gap:8px;padding:10px 15px;border-radius:var(--radius-sm);
  background:#fef2f1;border:1px solid #fbdcda;color:var(--red);font-size:13.5px;margin-bottom:16px;
}
.ann-item{
  display:flex;justify-content:space-between;gap:12px;padding:13px 0;
  border-bottom:1px solid var(--border);font-size:14px;transition:.15s;
}
.ann-item:last-child{border:0}
.ann-item a{color:#2c3036}
.ann-item a:hover{color:var(--ink)}
.ann-item:hover a{color:var(--ink)}

/* ---------- 迷你柱状图 ---------- */
.mini-chart{display:flex;align-items:flex-end;gap:8px;height:110px;padding:8px 0}
.mini-chart .bar-wrap{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px}
.mini-chart .bar{
  width:100%;background:#2b2e33;border-radius:4px 4px 0 0;min-height:3px;transition:.3s;
}
.mini-chart .bar-wrap:hover .bar{background:var(--red)}
.mini-chart .lbl{font-size:11px;color:var(--muted)}

/* ---------- 新闻中心 ---------- */
.news-item{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--border)}
.news-item:last-child{border-bottom:0}
.news-thumb{
  width:136px;height:90px;flex:none;border-radius:8px;overflow:hidden;
  border:1px solid var(--border);display:grid;place-items:center;background:var(--bg-soft);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.news-item:hover .news-thumb img{transform:scale(1.05)}
.news-thumb-txt{font-size:26px;color:#c3c8cf}
.news-body{flex:1;min-width:0}
.news-meta{display:flex;align-items:center;gap:8px;margin-bottom:6px;flex-wrap:wrap}
.news-title{margin:0 0 6px;font-size:15.5px;font-weight:600;line-height:1.5}
.news-title a{color:var(--ink)}
.news-title a:hover{color:#000}
.news-sum{margin:0 0 7px;font-size:13px;color:var(--muted);line-height:1.7}
.news-foot{display:flex;gap:16px;font-size:12px;color:var(--faint)}
@media (max-width:600px){
  .news-thumb{width:96px;height:64px}
  .news-title{font-size:14.5px}
}
.news-head{margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--border)}
.news-head h1{font-size:24px;margin-bottom:10px;line-height:1.4}
.news-info{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.news-cover{margin:0 0 18px;text-align:center}
.news-cover img{max-width:100%;border-radius:10px}
.news-content{font-size:14.5px;line-height:1.95;color:#2c3036}
.news-content img{max-width:100%;height:auto;border-radius:8px}
.news-content p{margin:0 0 1em}
.news-content table{width:100%;border-collapse:collapse;margin:14px 0}
.news-content th,.news-content td{border:1px solid var(--border-2);padding:8px 12px}
.news-content blockquote{margin:14px 0;padding:8px 14px;border-left:3px solid var(--border-2);background:var(--bg-soft);color:var(--muted)}
.news-content h1,.news-content h2,.news-content h3{margin:1.2em 0 .6em}
.news-attach{
  margin-top:22px;padding:14px 16px;background:var(--bg-soft);
  border:1px dashed var(--border-2);border-radius:var(--radius-sm);
}
.news-nav{
  margin-top:26px;padding-top:16px;border-top:1px solid var(--border);
  display:grid;grid-template-columns:1fr 1fr auto;gap:14px;align-items:center;
}
.news-nav a{color:var(--muted)}
.news-nav a:hover{color:var(--ink)}
.news-nav-next{text-align:right}
.home-news li{padding:9px 0;border-bottom:1px solid var(--border);font-size:13.5px}
.home-news li:last-child{border:0}
.home-news a{display:flex;justify-content:space-between;gap:10px}
.home-news .badge-top{color:var(--red);font-size:11px;margin-right:4px}

/* ---------- 首页统计（扁平数字） ---------- */
.stats-flat{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  margin:34px 0 8px;
}
.stats-flat .sf{
  text-align:center;padding:20px 10px;border-left:1px solid var(--border);
}
.stats-flat .sf:first-child{border-left:0}
.stats-flat b{
  display:block;font-size:26px;font-weight:700;color:var(--ink);line-height:1.4;
  font-variant-numeric:tabular-nums;
}
.stats-flat span{font-size:12.5px;color:var(--muted)}
@media (max-width:700px){
  .stats-flat{grid-template-columns:repeat(2,1fr)}
  .stats-flat .sf:nth-child(3){border-left:0}
  .stats-flat .sf:nth-child(n+3){border-top:1px solid var(--border)}
}

/* ---------- 每日签到 ---------- */
.signin-card .card-body{padding:18px}
.signin-ring{
  width:96px;height:96px;margin:2px auto 0;border-radius:50%;padding:4px;
  background:conic-gradient(#3a3e45,var(--ink),#3a3e45);
  transition:transform .25s;
}
.signin-ring:hover{transform:scale(1.03)}
.signin-ring.is-done{background:conic-gradient(#d8dbe0,#eceef1,#d8dbe0)}
.signin-ring-inner{
  width:100%;height:100%;border-radius:50%;background:#fff;
  display:grid;place-content:center;text-align:center;
}
.signin-ring-inner b{display:block;font-size:24px;color:var(--ink);line-height:1.25}
.signin-ring.is-done .signin-ring-inner b{color:var(--muted)}
.signin-ring-inner span{display:block;font-size:11px;color:var(--muted)}

/* ---------- 我的收藏 ---------- */
.fav-list{display:flex;flex-direction:column}
.fav-item{
  display:grid;grid-template-columns:64px 1fr auto;gap:14px;align-items:center;
  padding:14px 0;border-bottom:1px solid var(--border);
}
.fav-item:last-child{border-bottom:0}
.fav-cover{
  width:64px;height:85px;border-radius:6px;overflow:hidden;text-decoration:none;
  background:var(--bg-soft);border:1px solid var(--border);
  display:grid;place-items:center;font-size:20px;color:#c3c8cf;
}
.fav-cover img{width:100%;height:100%;object-fit:cover}
.fav-body{min-width:0}
.fav-title{font-weight:600;font-size:14.5px;color:var(--ink);text-decoration:none}
.fav-title:hover{color:#000}
.fav-ops{display:flex;flex-direction:column;gap:6px;white-space:nowrap}
@media (max-width:640px){
  .fav-item{grid-template-columns:56px 1fr}
  .fav-cover{width:56px;height:75px}
  .fav-ops{grid-column:1/-1;flex-direction:row}
}

/* ---------- 轻提示条（悬浮在最上层，2 秒自动消失） ---------- */
.zs-toast{
  position:fixed;left:50%;top:78px;transform:translate(-50%,-12px);
  background:rgba(17,19,21,.94);color:#fff;padding:10px 22px;border-radius:999px;
  font-size:13.5px;z-index:10000;opacity:0;pointer-events:none;cursor:default;
  box-shadow:0 12px 32px -12px rgba(0,0,0,.5);
  transition:opacity .28s,transform .28s;
  max-width:min(92vw,520px);text-align:center;
}
.zs-toast.in{opacity:1;transform:translate(-50%,0)}
/* 错误提示：红色调，可点击关闭 */
.zs-toast.err{background:rgba(217,45,32,.96);box-shadow:0 12px 32px -12px rgba(217,45,32,.6);pointer-events:auto;cursor:pointer}

/* ---------- 响应式：顶栏 ---------- */
@media (max-width:760px){
  .hd-main{gap:12px;height:50px}
  .logo{font-size:16.5px}
  .hd-right{gap:10px}
  .catalog-head{padding:34px 0 4px}
  .catalog-head h1{font-size:25px}
}


/* ---------- 个人中心（参考稿布局：左侧菜单 + 内容区） ---------- */
.ucenter{display:grid;grid-template-columns:196px minmax(0,1fr);gap:0;align-items:start;
  margin-top:22px;background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden}
.uc-menu{border-right:1px solid var(--border);padding:14px 10px;background:#fff}
.uc-menu a{display:flex;align-items:center;gap:9px;padding:9px 12px;margin-bottom:2px;
  border-radius:8px;color:#3a3e45;font-size:13.5px;transition:.15s}
.uc-menu a svg{width:15px;height:15px;flex:none}
.uc-menu a:hover{background:#f5f6f7;color:var(--ink)}
.uc-menu a.active{background:#f0f1f3;color:var(--ink);font-weight:600}
.uc-main{padding:26px 30px 40px;min-width:0}
.uc-title{font-size:21px;font-weight:700;margin:0 0 20px;color:var(--ink)}
.uc-badge{font-size:12px;font-weight:500;color:#fff;background:var(--red);border-radius:999px;
  padding:2px 9px;margin-left:10px;vertical-align:4px}

/* 积分 hero 卡 */
.uc-hero{display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:#f7f8f9;border-radius:12px;padding:26px 28px}
.uc-hero-label{font-size:13px;color:var(--muted)}
.uc-hero-num{font-size:36px;font-weight:700;line-height:1.2;margin-top:4px;letter-spacing:.5px}
.uc-hero-tip{font-size:12.5px;color:var(--faint);margin-top:8px}
.btn-pill{border-radius:999px;padding:10px 20px;font-size:13.5px}

/* hero 下的辅助信息行 */
.uc-meta{display:flex;flex-wrap:wrap;gap:8px 28px;margin-top:14px;font-size:12.5px;color:var(--muted)}
.uc-meta b{color:var(--ink)}

/* 基本信息 */
.uc-sec{font-size:15px;margin:30px 0 12px}
.uc-info{border:1px solid var(--border);border-radius:12px;overflow:hidden}
.uc-info-row{display:flex;border-bottom:1px solid var(--border);font-size:13.5px}
.uc-info-row:last-child{border-bottom:0}
.uc-info-row .k{width:150px;flex:none;padding:13px 18px;color:var(--muted);background:#fafbfb;
  border-right:1px solid var(--border)}
.uc-info-row .v{padding:13px 18px;color:var(--ink)}
.uc-more{display:flex;gap:10px;margin-top:22px}

/* 内容卡（设置 / 记录 / 列表通用） */
.uc-card{border:1px solid var(--border);border-radius:12px;margin-bottom:20px;overflow:hidden}
.uc-card > h3{margin:0;padding:15px 20px;border-bottom:1px solid var(--border);font-size:14.5px}
.uc-card-head{display:flex;align-items:center;gap:12px;padding:12px 20px;border-bottom:1px solid var(--border)}
.uc-card-body{padding:18px 20px}
.uc-card-body.flush{padding:4px 0 0}
.uc-card-foot{padding:12px 20px;border-top:1px solid var(--border)}

/* ---------- 投稿中心 ---------- */
.uc-stat{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:20px}
.uc-stat-item{border:1px solid var(--border);border-radius:10px;padding:14px 16px;background:#fafbfb;
  display:flex;flex-direction:column;gap:4px}
.uc-stat-item .n{font-size:22px;font-weight:700;color:var(--ink);line-height:1.2}
.uc-stat-item .t{font-size:12px;color:var(--muted)}
.uc-form-row{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.req{color:var(--red,#d92d20)}
@media (max-width:860px){
  .ucenter{grid-template-columns:1fr}
  .uc-menu{border-right:0;border-bottom:1px solid var(--border)}
  .uc-main{padding:20px 16px 32px}
  .uc-stat{grid-template-columns:repeat(3,1fr)}
  .uc-form-row{grid-template-columns:1fr}
}


/* 设置页 */
.uc-bind-row{display:flex;align-items:center;gap:14px}
.uc-bind-phone{font-size:13.5px;color:#3a3e45}
.uc-bind-form{margin-top:16px;padding-top:16px;border-top:1px dashed var(--border)}

/* 积分规则行 */
.uc-rule-list{display:flex;flex-wrap:wrap;gap:8px}
.uc-rule{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  border:1px solid var(--border-2);font-size:12.5px;color:#3a3e45}
.uc-rule b.up{color:var(--ok)}
.uc-rule b.down{color:var(--danger)}
.uc-rule i{font-style:normal;color:var(--faint);font-size:11.5px}

/* 站内消息：下划线标签页 + 列表 */
.uc-tabs{display:flex;gap:26px;border-bottom:1px solid var(--border);margin-bottom:16px}
.uc-tabs a{padding:10px 2px;font-size:13.5px;color:var(--muted);border-bottom:2px solid transparent;
  margin-bottom:-1px;transition:.15s}
.uc-tabs a:hover{color:var(--ink)}
.uc-tabs a.active{color:var(--ink);font-weight:600;border-bottom-color:var(--ink)}
.msg-item{display:flex;align-items:flex-start;gap:14px;padding:14px 20px;border-bottom:1px solid var(--border)}
.msg-item:last-child{border-bottom:0}
.msg-item.unread .msg-title{font-weight:600}
.msg-item.unread .msg-main .mt4::before{content:"● ";color:var(--red);font-size:10px;vertical-align:2px}
.msg-tag{flex:none;font-size:11.5px;padding:3px 9px;border-radius:5px;margin-top:1px}
.msg-tag.system{background:#eef4ff;color:#3b6bd6}
.msg-tag.broadcast{background:#f0f1f3;color:#5a5f66}
.msg-tag.private{background:#fff7ec;color:#b97b1f}
.msg-main{flex:1;min-width:0}
.msg-title{font-size:13.5px;color:var(--ink)}
.msg-time{flex:none;font-size:12px;color:var(--faint);margin-top:2px}
.msg-del{flex:none;border:0;background:none;color:var(--faint);cursor:pointer;font-size:13px;
  padding:3px 5px;border-radius:5px}
.msg-del:hover{color:var(--danger);background:#fef3f2}
.msg-content{white-space:pre-wrap;font-size:14px;line-height:1.8}

/* 收藏空状态（参考稿：大灰底圆角块） */
.uc-empty{background:#f7f8f9;border-radius:12px;padding:70px 20px;text-align:center}
.uc-empty-icon svg{width:44px;height:44px;color:#c6cad0;margin:0 auto}
.uc-empty-txt{margin-top:14px;font-size:13.5px;color:var(--muted)}
.uc-empty-link{display:inline-block;margin-top:12px;font-size:13px;color:var(--ink);
  text-decoration:underline;text-underline-offset:3px}

@media (max-width:860px){
  .ucenter{grid-template-columns:1fr}
  .uc-menu{display:flex;flex-wrap:wrap;gap:4px;border-right:0;border-bottom:1px solid var(--border);padding:10px}
  .uc-menu a{margin-bottom:0}
  .uc-main{padding:20px 16px 32px}
  .uc-hero{flex-direction:column;align-items:flex-start}
}

/* ---------- 富文本编辑器（自研 editor.js，黑白风） ---------- */
.zs-editor{
  border:1px solid var(--border-2,#e3e5e9);border-radius:10px;background:#fff;overflow:hidden;
}
.zs-editor:focus-within{border-color:#111315}
.zs-editor-bar{
  display:flex;align-items:center;flex-wrap:wrap;gap:2px;padding:6px 8px;
  border-bottom:1px solid #f0f1f3;background:#fafbfc;
}
.zs-editor-bar select{
  height:28px;padding:0 22px 0 8px;font-size:12.5px;border-radius:6px;margin-right:6px;
  border-color:var(--border-2,#e3e5e9);box-shadow:none;background-color:#fff;width:auto;color:#3a3e45;
}
.zs-tb-group{display:inline-flex;align-items:center;gap:2px;margin:0 6px}
.zs-tb-btn{
  display:inline-grid;place-items:center;width:29px;height:28px;border:0;border-radius:6px;
  background:none;color:#5a5f66;cursor:pointer;padding:0;transition:.12s;
}
.zs-tb-btn:hover{background:#f0f1f3;color:#111315}
.zs-tb-btn[data-on]{background:#111315;color:#fff}
.zs-tb-btn svg{width:16px;height:16px;display:block}
.zs-tb-btn.zs-tb-text{
  width:auto;display:inline-flex;align-items:center;gap:5px;padding:0 10px;font-size:12.5px;
}
.zs-tb-btn.zs-tb-text svg{width:14px;height:14px}
.zs-tb-btn:disabled{opacity:.35;cursor:not-allowed}
.zs-editor-body{
  min-height:340px;max-height:560px;overflow-y:auto;padding:16px 18px;outline:0;
  font-size:14px;line-height:1.85;color:#1c1f24;background:#fff;
}
.zs-editor-body p{margin:0 0 10px}
.zs-editor-body img{max-width:100%;height:auto;border-radius:6px}
.zs-editor-body blockquote{
  margin:10px 0;padding:8px 14px;border-left:3px solid #111315;background:#f9fafb;color:#5a5f66;border-radius:0 8px 8px 0;
}
.zs-editor-body pre{
  background:#f6f7f9;border:1px solid #eceef1;border-radius:8px;padding:12px 14px;
  font-family:Consolas,Menlo,monospace;font-size:13px;overflow-x:auto;
}
.zs-editor-body table{border-collapse:collapse;margin:10px 0;min-width:60%}
.zs-editor-body table td{border:1px solid #e3e5e9;padding:6px 12px;min-width:32px;font-size:13.5px}
.zs-editor-body hr{border:0;border-top:1px solid #e3e5e9;margin:16px 0}
.zs-editor-body a{color:#111315;text-decoration:underline}
.zs-editor-body h2{font-size:19px;margin:14px 0 10px}
.zs-editor-body h3{font-size:16px;margin:12px 0 8px}
.zs-editor-src{
  display:none;width:100%;min-height:340px;border:0;outline:0;padding:14px 16px;
  font-family:Consolas,Menlo,monospace;font-size:13px;line-height:1.7;color:#1c1f24;
  background:#fffdf5;resize:vertical;
}
.zs-editor-foot{
  display:flex;align-items:center;padding:6px 12px;border-top:1px solid #f0f1f3;
  font-size:12px;color:#b8bdc4;background:#fafbfc;
}