/* ===== L5 侧栏博客风 · 红 ===== */
:root{
  --c-bg:#ffffff; --c-bg-2:#fdf0f0; --c-card:#fff; --c-line:#f0dcdc; --c-line-soft:#faf1f1;
  --c-text:#211010; --c-text-2:#5c3535; --c-sub:#9b7b7b;
  --c-primary:#dc2626; --c-primary-2:#f43f5e;
  --c-brand-grad:linear-gradient(135deg,#dc2626,#f43f5e);
  --c-radius:12px; --c-radius-sm:8px;
}
.l5-wrap{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:26px;margin:22px 0}
.l5-hero{background:linear-gradient(135deg,#fff5f5,#ffe9e9);border:1px solid var(--c-line);border-radius:14px;padding:24px;margin-bottom:22px}
.l5-hero h1{margin:0 0 14px;font-size:25px;color:var(--c-text)}
.l5-hero form{display:flex;gap:8px}
.l5-hero input{flex:1;border:1px solid var(--c-line);border-radius:8px;padding:11px 14px;font-size:14.5px;outline:0}
.l5-hero input:focus{border-color:var(--c-primary)}
.l5-hero button{border:0;background:var(--c-brand-grad);color:#fff;border-radius:8px;padding:0 22px;font-weight:600;cursor:pointer}
.l5-block{margin-bottom:26px}
.l5-block>h2{font-size:16px;margin:0 0 14px;padding-bottom:9px;border-bottom:2px solid var(--c-line)}
.l5-item{display:flex;gap:13px;padding:14px 0;border-bottom:1px solid var(--c-line-soft)}
.l5-item:last-child{border-bottom:0}
.l5-item-body{min-width:0}
.l5-item-body>a{font-size:15px;font-weight:600;color:var(--c-text);display:block;margin-bottom:4px}
.l5-item-body>a:hover{color:var(--c-primary)}
.l5-item-body p{margin:0 0 5px;font-size:12.8px;color:var(--c-sub);line-height:1.6}
.l5-item-body em{font-style:normal;font-size:11.5px;color:#bda0a0}
.l5-art{padding:14px 0;border-bottom:1px solid var(--c-line-soft)}
.l5-art>a{font-size:15px;font-weight:600;color:var(--c-text)}
.l5-art p{margin:6px 0 5px;font-size:12.8px;color:var(--c-sub);line-height:1.65}
.l5-art em{font-style:normal;font-size:11.5px;color:#bda0a0}
.l5-side{display:flex;flex-direction:column;gap:16px}
.l5-widget{background:#fff;border:1px solid var(--c-line);border-radius:12px;padding:16px}
.l5-widget h3{margin:0 0 12px;font-size:14px;padding-bottom:9px;border-bottom:1px solid var(--c-line-soft);color:var(--c-primary)}
.l5-widget ol{list-style:none;margin:0;padding:0}
.l5-widget li{display:flex;gap:8px;align-items:center;padding:7px 0;font-size:13px}
.l5-widget li span{width:17px;height:17px;border-radius:4px;background:var(--c-bg-2);color:var(--c-primary);font-size:10.5px;display:flex;align-items:center;justify-content:center;flex:0 0 17px}
.l5-widget li a{color:var(--c-text-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.l5-cats{display:flex;flex-direction:column;gap:6px}
.l5-cats a{display:flex;justify-content:space-between;font-size:13px;color:var(--c-text-2);padding:6px 9px;border-radius:6px;background:var(--c-bg-2)}
.l5-cats i{font-style:normal;color:var(--c-sub);font-size:11.5px}
.l5-tags{display:flex;flex-wrap:wrap;gap:6px}
.l5-tags a{font-size:12px;padding:3px 9px;background:var(--c-bg-2);border-radius:999px;color:var(--c-text-2)}
@media(max-width:900px){.l5-wrap{grid-template-columns:1fr}.l5-side{flex-direction:row;flex-wrap:wrap}.l5-widget{flex:1 1 240px}}

/* ==== L5 header/hero v2 ==== */

/* ===== L5 header：报纸刊头（居中大字 + 双线导航） ===== */
.h5-head{position:sticky;top:0;z-index:60;background:#fff;padding-top:env(safe-area-inset-top)}
.h5-rule{display:flex;justify-content:space-between;font-size:11.5px;color:var(--c-sub);padding:7px 0;border-bottom:1px solid var(--c-line);letter-spacing:.5px}
.h5-mast{text-align:center;padding:16px 0 13px}
.h5-logo{font-size:30px;font-weight:900;letter-spacing:5px;color:var(--c-text)}
.h5-tag{margin:7px 0 0;font-size:11px;color:var(--c-sub);letter-spacing:3px}
.h5-nav{border-top:3px double var(--c-text);border-bottom:1px solid var(--c-line)}
.h5-nav .container{display:flex;justify-content:center;align-items:center;gap:2px;height:42px;overflow-x:auto;scrollbar-width:none}
.h5-nav::-webkit-scrollbar{display:none}
.h5-nav a{padding:4px 11px;font-size:13.5px;color:var(--c-text-2);white-space:nowrap}
.h5-nav a.on{color:var(--c-primary);font-weight:700}
.h5-nav a:hover{color:var(--c-primary)}
@media(max-width:680px){.h5-logo{font-size:21px;letter-spacing:2px}.h5-rule{display:none}}
/* ===== L5 hero：左对齐标题 + 左侧窄搜索框 ===== */
.l5-hero{padding:36px 0 26px;text-align:left}
.l5-kicker{margin:0 0 9px;font-size:11px;letter-spacing:3px;color:var(--c-primary);font-weight:600}
.l5-hero h1{font-size:32px;margin:0 0 20px;letter-spacing:-.5px;line-height:1.3}
.l5-search{display:flex;max-width:520px;margin:0}
.l5-search input{flex:1;height:44px;border:0;border-right:0;border-radius:999px;padding:0 14px;outline:none;font-size:14px;background:#fff;color:var(--c-text)}
.l5-search input:focus{border-color:var(--c-primary)}
.l5-search button{height:44px;padding:0 22px;border:0;border-radius:0 8px 8px 0;background:var(--c-primary);color:#fff;font-weight:600;cursor:pointer}
@media(max-width:700px){.l5-hero h1{font-size:24px}}