/* 侧栏导航：电脑上分类竖排在左，手机上变成顶部横向滑动 */
.t-sidebar{--bg:#121318;--bg2:#1a1c23;--bg3:#23262f;--tx:#e6e7ec;--tx2:#9298a8;--bd:#2a2d37}
.sb-top{position:sticky;top:0;z-index:50}
.sb-top-in{display:flex;align-items:center;gap:16px;height:60px;padding:0 20px}
.sb-wrap{display:grid;grid-template-columns:210px minmax(0,1fr);flex:1;width:100%;max-width:1440px;margin:0 auto}
.sb-side{position:sticky;top:60px;align-self:start;height:calc(100vh - 60px);overflow-y:auto;padding:16px 12px;border-right:1px solid var(--bd)}
.sb-title{font-size:12px;color:var(--tx2);letter-spacing:2px;padding:0 10px 8px}
.sb-side>a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:var(--tx2);font-size:15px;margin-bottom:2px}
.sb-side>a i{font-style:normal;width:16px;text-align:center;opacity:.6}
.sb-side>a:hover{background:var(--bg3);color:var(--tx)}
.sb-side>a.on{background:linear-gradient(90deg,var(--c),transparent);color:#fff;font-weight:600}
.sb-side .ad-side{position:static;display:block;width:auto;margin-top:16px}
.sb-side .ad-side .ad-x{display:none}
.sb-main{padding:14px 20px 28px;min-width:0}
body.t-sidebar>.ad-side{display:none!important} /* 对联已经放进左侧栏了 */
.t-sidebar .grid{grid-template-columns:repeat(2,1fr)}
@media(min-width:760px){.t-sidebar .grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1200px){.t-sidebar .grid{grid-template-columns:repeat(4,1fr)}}
@media(min-width:1500px){.t-sidebar .grid{grid-template-columns:repeat(6,1fr)}} /* 一块 12 张，6 列正好排满 */
@media(max-width:859px){
  .sb-wrap{grid-template-columns:1fr}
  .sb-side{position:sticky;top:54px;z-index:40;height:auto;display:flex;gap:6px;overflow-x:auto;padding:8px 12px;border-right:0;border-bottom:1px solid var(--bd);background:var(--bg2);scrollbar-width:none}
  .sb-side::-webkit-scrollbar{display:none}
  .sb-title,.sb-side .ad-side{display:none}
  .sb-side>a{white-space:nowrap;padding:6px 14px;margin:0;border-radius:16px}
  .sb-side>a i{display:none}
  .sb-side>a.on{background:var(--c)}
  .sb-top-in{height:54px;padding:0 12px}
  .sb-main{padding:12px}
}