/*
Theme Name: Qiefanfan
Theme URI: https://www.qiefanfan.cn/
Author: 上海茄番信息科技有限公司
Description: 茄番番新闻博客主题。内容优先的首页（头条 + 文章流 + 栏目板块）、分类列表、文章详情，内置 SEO / GEO 输出（canonical、OG、JSON-LD、FAQ、要点摘要、llms.txt）。
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: qiefanfan
*/

:root{
  --paper:#f7f6f9; --surface:#ffffff; --surface-2:#eeedf3; --line:#dedbe6; --line-strong:#c9c4d6;
  --ink:#1a1726; --ink-2:#4a4560; --ink-3:#7c7791;
  --accent:#1f5fd6; --accent-ink:#ffffff; --accent-soft:#e6eefb; --accent-deep:#143f8f;
  --plum:#2b2140; --plum-ink:#f3effa; --plum-soft:#efe9f6;
  --wechat:#07c160;
  --shadow:0 1px 2px rgba(26,23,38,.06),0 8px 24px -12px rgba(26,23,38,.18);
  --radius:6px;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;
  --font-display:"Songti SC","Noto Serif CJK SC","Source Han Serif SC","SimSun","STSong",serif;
  --font-mono:"SFMono-Regular",Consolas,Menlo,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
img{max-width:100%;height:auto}
h1,h2,h3,h4{margin:0;font-family:var(--font-display);font-weight:700;line-height:1.3;text-wrap:balance}
p{margin:0}
.wrap{width:min(1160px,calc(100% - 40px));margin:0 auto}
.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:var(--radius);font-weight:500;font-size:15px;border:1px solid transparent;cursor:pointer;font-family:inherit;line-height:1.2;transition:background .15s,color .15s,border-color .15s}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{background:var(--accent-deep)}
.btn-ghost{border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-wechat{background:var(--wechat);color:#fff}
.btn-wechat:hover{background:#06a552}
.chip{display:inline-block;padding:2px 9px;border-radius:999px;background:var(--accent-soft);color:var(--accent-deep);font-size:12px;font-weight:500;line-height:1.7;white-space:nowrap}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.meta{display:flex;gap:12px;align-items:center;font-size:12px;color:var(--ink-3);flex-wrap:wrap}
.meta time{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.ph{display:flex;align-items:center;justify-content:center;background:linear-gradient(150deg,var(--plum-soft),var(--accent-soft));color:var(--ink-3);font-size:12px;font-family:var(--font-display);text-align:center;padding:8px}
.thumb{display:block;position:relative;overflow:hidden;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface-2)}
.thumb img,.thumb .ph{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.thumb.noimg::after{content:attr(data-ph);position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(150deg,var(--plum-soft),var(--accent-soft));color:var(--ink-3);font-size:12px;font-family:var(--font-display);padding:8px;text-align:center}

/* header */
.site-header{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
.admin-bar .site-header{top:32px}
@media (max-width:782px){.admin-bar .site-header{top:46px}}
.site-header .wrap{display:flex;align-items:center;gap:24px;min-height:64px}
.logo{display:flex;align-items:center;margin:0;font-family:var(--font-display);font-weight:900;font-size:22px;line-height:1.3;letter-spacing:.04em;color:var(--accent-deep);flex:none;white-space:nowrap}
.logo a{display:flex;align-items:center;color:inherit}
.logo img{display:block;height:30px;width:auto}
.nav{min-width:0}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:22px;font-size:14.5px;font-weight:500}
.nav li{position:relative;white-space:nowrap}
.nav > ul > li > a{display:block;padding:20px 0;border-bottom:2px solid transparent}
.nav > ul > li.current-menu-item > a,.nav > ul > li.current-menu-parent > a,.nav > ul > li.current-menu-ancestor > a,.nav > ul > li.current_page_item > a{border-color:var(--accent);color:var(--accent-deep)}
.nav > ul > li:hover > a{color:var(--accent-deep)}
.nav .sub-menu{display:none;position:absolute;left:-14px;top:100%;flex-direction:column;gap:0;min-width:160px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:6px 0;font-weight:400;font-size:14px;z-index:41}
.nav li:hover > .sub-menu,.nav li:focus-within > .sub-menu{display:flex}
.nav .sub-menu a{display:block;padding:7px 14px}
.nav .sub-menu a:hover{background:var(--paper);color:var(--accent-deep)}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:10px}
.sform{display:flex;align-items:center;gap:8px;border:1px solid var(--line-strong);border-radius:999px;padding:6px 14px;background:var(--paper);color:var(--ink-3);width:220px}
.sform:focus-within{border-color:var(--accent)}
.sform svg{width:16px;height:16px;flex:none;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round}
.sform input{border:0;background:transparent;outline:0;font:inherit;font-size:14px;color:var(--ink);width:100%;min-width:0;padding:0}
.sform input::placeholder{color:var(--ink-3)}
.sform button{display:none}
.icon-btn{background:none;border:1px solid var(--line-strong);border-radius:var(--radius);width:40px;height:36px;color:var(--ink);display:none;align-items:center;justify-content:center;cursor:pointer;padding:0}
.icon-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round}
.drawer{display:none;background:var(--surface);border-bottom:1px solid var(--line);padding:12px 0 18px}
.drawer.open{display:block}
.drawer .sform{width:100%;margin-bottom:12px}
.drawer ul{list-style:none;margin:0;padding:0}
.drawer > .wrap > ul > li{border-top:1px solid var(--line)}
.drawer a{display:block;padding:10px 0;font-size:15px;font-weight:500}
.drawer .sub-menu{padding:0 0 8px 16px;display:flex;flex-wrap:wrap;gap:4px 16px}
.drawer .sub-menu a{font-weight:400;font-size:14px;color:var(--ink-2);padding:4px 0}

/* front */
.front{background:var(--surface);border-bottom:1px solid var(--line);padding:28px 0 32px}
.front-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:32px}
.lead{display:flex;flex-direction:column;gap:16px;min-width:0}
.lead .thumb{aspect-ratio:16/9}
.lead h2{font-size:clamp(24px,2.6vw,32px);font-weight:900;margin:8px 0 10px}
.lead:hover h2{color:var(--accent-deep)}
.lead p{color:var(--ink-2);font-size:15px;max-width:40em}
.lead .meta{margin-top:10px}
.sub-leads{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.sub-lead{display:grid;grid-template-columns:104px minmax(0,1fr);gap:14px;padding:14px 0;border-bottom:1px solid var(--line);align-items:start}
.sub-lead .thumb{aspect-ratio:4/3;border-radius:4px}
.sub-lead h3{font-family:var(--font-body);font-size:15.5px;font-weight:700;margin:4px 0 6px;line-height:1.45}
.sub-lead:hover h3{color:var(--accent-deep)}

/* sections */
.section{padding:56px 0}
.section.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:12px}
.section-head h2{font-size:22px}
.section-head p{color:var(--ink-3);font-size:14px;margin-top:4px}
.section-head .more{font-size:14px;color:var(--accent-deep);white-space:nowrap}

/* two column */
.two-col{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;padding:36px 0 56px}
.list{display:flex;flex-direction:column}
.list-item{display:grid;grid-template-columns:220px minmax(0,1fr);gap:24px;padding:24px 0;border-bottom:1px solid var(--line)}
.list-item .thumb{aspect-ratio:16/10}
.list-item h2{font-family:var(--font-body);font-size:20px;font-weight:700;margin:6px 0 8px}
.list-item h2 a:hover{color:var(--accent-deep)}
.list-item p{font-size:14.5px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.list-item .meta{margin-top:12px}
.pager{display:flex;gap:6px;margin-top:28px;font-family:var(--font-mono);font-size:14px;flex-wrap:wrap}
.pager .page-numbers{min-width:36px;height:36px;padding:0 8px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
.pager .page-numbers.current{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.pager .page-numbers.dots{border-color:transparent;background:transparent}
.empty{padding:40px 0;color:var(--ink-3)}

/* sidebar */
.side{display:flex;flex-direction:column;gap:24px;align-self:start;position:sticky;top:88px}
.side-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.side-box h3{font-family:var(--font-body);font-size:14px;font-weight:700;margin-bottom:10px;letter-spacing:.02em}
.side-box ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;font-size:14px}
.side-box li{display:flex;justify-content:space-between;gap:10px}
.side-box li a:hover{color:var(--accent-deep)}
.side-box li .n{color:var(--ink-3);font-family:var(--font-mono);font-size:12px;flex:none}
.side-cta{background:var(--plum);color:var(--plum-ink);border-color:var(--plum)}
.side-cta h3{color:inherit}
.side-cta p{font-size:14px;opacity:.8;margin-bottom:14px}
.side-cta .wecom{margin:0;display:flex;flex-direction:column;align-items:center;gap:8px}
.side-cta .wecom img{display:block;width:112px;height:112px;border-radius:6px;background:#fff;padding:5px}
.side-cta .wecom figcaption{font-size:12.5px;opacity:.75}
.hot{list-style:none;margin:0;padding:0;counter-reset:hot;display:flex;flex-direction:column;gap:10px;font-size:14px}
.hot li{display:grid;grid-template-columns:22px 1fr auto;gap:8px;align-items:start}
.hot li::before{counter-increment:hot;content:counter(hot);font-family:var(--font-mono);font-size:12px;color:var(--ink-3);padding-top:3px}
.hot li:nth-child(-n+3)::before{color:var(--accent);font-weight:600}
.hot li .n{font-family:var(--font-mono);font-size:12px;color:var(--ink-3);padding-top:3px}
.side-box ul.plain li{justify-content:flex-start}

/* category blocks */
.cat-blocks{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px}
.cat-block{min-width:0}
.cat-head{display:flex;justify-content:space-between;align-items:baseline;border-bottom:2px solid var(--ink);padding-bottom:8px;margin-bottom:14px}
.cat-head h2{font-size:19px}
.cat-head a{font-size:13px;color:var(--accent-deep)}
.cat-first{display:block;margin-bottom:12px}
.cat-first .thumb{aspect-ratio:16/9;margin-bottom:8px}
.cat-first h3{font-family:var(--font-body);font-size:15.5px;font-weight:700;line-height:1.45}
.cat-first:hover h3{color:var(--accent-deep)}
.cat-block ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.cat-block li{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-top:1px solid var(--line);font-size:14px}
.cat-block li a{flex:1 1 auto;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cat-block li a:hover{color:var(--accent-deep)}
.cat-block li time{font-family:var(--font-mono);font-size:12px;color:var(--ink-3);white-space:nowrap}

/* cases */
.cases{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.case{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:block}
.case .thumb{aspect-ratio:4/3;border:0;border-radius:0}
.case .body{padding:14px 16px 16px;font-size:13px;color:var(--ink-2)}
.case .body b{display:block;color:var(--ink);font-weight:500;font-size:15px;margin-bottom:4px}
.case:hover .body b{color:var(--accent-deep)}

/* cards */
.posts-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{display:flex;flex-direction:column;gap:10px;min-width:0}
.post-card .thumb{aspect-ratio:16/9}
.post-card h3{font-size:17px;font-family:var(--font-body);font-weight:700}
.post-card:hover h3{color:var(--accent-deep)}
.post-card p{font-size:14px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* cta band */
.cta-band{background:var(--plum);color:var(--plum-ink)}
.cta-band .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:40px 0;flex-wrap:wrap}
.cta-band h2{font-size:24px}
.cta-band p{opacity:.75;margin-top:6px;font-size:15px}
.cta-band .btns{display:flex;gap:12px;flex-wrap:wrap}
.cta-band .btn-ghost{color:var(--plum-ink);border-color:rgba(255,255,255,.35)}

/* footer */
.site-footer{background:var(--surface);border-top:1px solid var(--line);font-size:14px;color:var(--ink-2)}
.site-footer .cols{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:32px;padding:44px 0 28px}
.site-footer h4{font-family:var(--font-body);font-size:14px;font-weight:700;color:var(--ink);margin-bottom:10px}
.site-footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.site-footer ul ul{display:none}
.site-footer a:hover{color:var(--accent-deep)}
.site-footer address{font-style:normal;line-height:1.9}
.legal{border-top:1px solid var(--line);padding:16px 0;font-size:12px;color:var(--ink-3);display:flex;gap:18px;flex-wrap:wrap}

/* page head (archives) */
.page-head{background:var(--surface);border-bottom:1px solid var(--line);padding:28px 0}
.crumbs{font-size:13px;color:var(--ink-3);display:flex;gap:8px;flex-wrap:wrap}
.crumbs a:hover{color:var(--accent-deep)}
.page-head h1{font-size:30px;margin:10px 0 8px}
.page-head .intro{max-width:44em;color:var(--ink-2);font-size:15px}
.subcats{display:flex;gap:8px;margin-top:18px;flex-wrap:wrap}
.subcats a{padding:5px 14px;border:1px solid var(--line-strong);border-radius:999px;font-size:13px;background:var(--surface)}
.subcats a.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.subcats a .n{color:var(--ink-3);font-family:var(--font-mono);font-size:12px;margin-left:4px}
.subcats a.on .n{color:inherit;opacity:.7}

/* single */
.post-head{background:var(--surface);border-bottom:1px solid var(--line);padding:28px 0 26px}
.post-head h1{font-size:clamp(24px,3vw,34px);margin:12px 0 14px;max-width:26em}
.byline{display:flex;gap:18px;align-items:center;font-size:13px;color:var(--ink-3);flex-wrap:wrap}
.byline .avatar{width:28px;height:28px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-right:8px;vertical-align:middle}
.byline b{color:var(--ink-2);font-weight:500}
.post-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:56px;padding:36px 0 56px}
.article{max-width:42em;font-size:16.5px;line-height:1.9;word-wrap:break-word}
.article [id],.faq-inline h2{scroll-margin-top:84px}
.article h2{font-size:22px;margin:40px 0 12px;padding-left:12px;border-left:3px solid var(--accent)}
.article h3{font-size:18px;margin:26px 0 8px;font-family:var(--font-body)}
.article h4{font-size:16px;margin:20px 0 6px;font-family:var(--font-body)}
.article p{margin:0 0 16px}
.article ul,.article ol{margin:0 0 16px;padding-left:1.4em}
.article li{margin-bottom:6px}
.article img{border-radius:var(--radius);display:block;margin:20px auto;height:auto}
.article figure,.article .wp-caption,.article .wp-block-image{margin:24px 0;max-width:100%!important;box-sizing:border-box}
.article .wp-caption img{max-width:100%;height:auto}
.article figure img{margin:0 auto}
.article figcaption,.article .wp-caption-text{font-size:13px;color:var(--ink-3);margin-top:8px;text-align:center}
.article blockquote{margin:0 0 16px;padding:12px 18px;border-left:3px solid var(--line-strong);background:var(--surface);color:var(--ink-2)}
.article pre{background:var(--plum);color:var(--plum-ink);padding:16px;border-radius:var(--radius);overflow-x:auto;font-family:var(--font-mono);font-size:13.5px;line-height:1.6}
.article code{font-family:var(--font-mono);font-size:.92em;background:var(--surface-2);padding:1px 5px;border-radius:3px}
.article pre code{background:none;padding:0}
.article table{width:100%;border-collapse:collapse;font-size:14px;margin:0 0 18px}
.article th,.article td{border:1px solid var(--line);padding:8px 10px;text-align:left}
.article th{background:var(--surface-2);font-weight:500}
.article .table-wrap{overflow-x:auto;margin:0 0 16px}
.article iframe,.article video{max-width:100%}
.article a{color:var(--accent-deep);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--line-strong)}
/* Links that are UI, not prose: no underline, own colours */
.article .btn,.article .tags a,.article .post-nav a,.article .comments a,.article .chip,.article .author-box a{text-decoration:none}
.article .btn-primary,.article .btn-primary:hover{color:var(--accent-ink)}
.article .btn-wechat{color:#fff}
.article .btn-ghost{color:var(--ink)}
.article .tags a,.article .post-nav a{color:var(--ink-2)}
.article .tags a:hover,.article .post-nav a:hover{color:var(--accent-deep)}
.article .comments a{color:var(--accent-deep)}
.article .alignleft{float:left;margin:4px 20px 12px 0}
.article .alignright{float:right;margin:4px 0 12px 20px}
.article .aligncenter{margin-left:auto;margin-right:auto}
.takeaways{background:var(--accent-soft);border-left:3px solid var(--accent);padding:16px 20px;border-radius:0 var(--radius) var(--radius) 0;margin:0 0 28px;font-size:15px}
.takeaways b{display:block;font-weight:700;margin-bottom:6px;color:var(--accent-deep)}
.takeaways ul{margin:0;padding-left:1.2em}
.takeaways li{margin-bottom:4px}
.faq-inline{margin:32px 0 0}
.faq-inline h2{margin-top:0}
.faq-inline details{border:1px solid var(--line);border-radius:var(--radius);padding:12px 16px;margin-bottom:10px;font-size:15px;background:var(--surface)}
.faq-inline summary{cursor:pointer;font-weight:500}
.faq-inline p{margin:8px 0 0;font-size:14.5px;color:var(--ink-2)}
.callout-service{margin:32px 0;padding:18px 20px;border:1px dashed var(--line-strong);border-radius:var(--radius);display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:15px;background:var(--surface);flex-wrap:wrap}
.callout-service b{display:block;font-weight:700}
.callout-service span{color:var(--ink-3);font-size:13px}
.author-box{display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin-top:40px;font-size:14px;color:var(--ink-2)}
.author-box .avatar{flex:none;width:52px;height:52px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px;overflow:hidden}
.author-box .avatar img{width:100%;height:100%;object-fit:cover}
.author-box b{display:block;color:var(--ink);font-size:15px;margin-bottom:4px}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:28px}
.tags a{font-size:13px;padding:3px 10px;border:1px solid var(--line-strong);border-radius:999px;color:var(--ink-2);background:var(--surface)}
.tags a:hover{border-color:var(--accent);color:var(--accent-deep)}
.post-side{display:flex;flex-direction:column;gap:24px;align-self:start;position:sticky;top:88px}
.toc{font-size:14px}
.toc ol{list-style:none;margin:0;padding:0;border-left:1px solid var(--line)}
.toc li a{display:block;padding:5px 0 5px 14px;color:var(--ink-2);border-left:2px solid transparent;margin-left:-1px;line-height:1.5}
.toc li.l3 a{padding-left:26px;font-size:13px}
.toc li a.on{border-left-color:var(--accent);color:var(--accent-deep)}
.related{padding:0 0 56px}
.related h2{font-size:22px;margin-bottom:18px}
.post-nav{display:flex;justify-content:space-between;gap:16px;margin-top:32px;padding-top:20px;border-top:1px solid var(--line);font-size:14px}
.post-nav a{max-width:48%;color:var(--ink-2)}
.post-nav a:hover{color:var(--accent-deep)}
.post-nav span{display:block;font-size:12px;color:var(--ink-3)}

/* comments */
.comments{margin-top:48px;max-width:42em}
.comments h2{font-size:20px;margin-bottom:16px}
.comment-list{list-style:none;margin:0;padding:0}
.comment-list li{padding:14px 0;border-top:1px solid var(--line);font-size:14.5px}
.comment-list .comment-meta{font-size:12px;color:var(--ink-3);margin-bottom:6px}
.comment-list .children{list-style:none;padding-left:24px}
.comment-form label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:4px}
.comment-form input[type=text],.comment-form input[type=email],.comment-form input[type=url],.comment-form textarea{width:100%;border:1px solid var(--line-strong);border-radius:var(--radius);padding:8px 10px;font:inherit;font-size:14px;background:var(--surface)}
.comment-form p{margin:0 0 12px}
.comment-form .submit{background:var(--accent);color:#fff;border:0;border-radius:var(--radius);padding:10px 20px;font:inherit;cursor:pointer}

/* float contact */
.float-contact{position:fixed;right:16px;bottom:20px;z-index:45;display:flex;flex-direction:column;gap:8px}
.float-contact a{width:46px;height:46px;border-radius:50%;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:500;color:var(--ink-2);position:relative}
.float-contact a.wx{background:var(--wechat);color:#fff;border-color:var(--wechat)}
.float-contact .qr-pop{display:none;position:absolute;right:56px;bottom:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:8px;width:150px}
.float-contact a.wx:hover .qr-pop,.float-contact a.wx:focus .qr-pop{display:block}
.float-contact .qr-pop img{display:block;width:100%}

/* 404 / search */
.notfound{padding:64px 0;text-align:center}
.notfound h1{font-size:32px;margin-bottom:12px}
.notfound p{color:var(--ink-2);margin-bottom:20px}
.notfound .sform{margin:0 auto 32px;width:min(420px,100%)}
.notfound .sform button{display:inline-flex;background:none;border:0;color:var(--accent);font:inherit;cursor:pointer;padding:0}
.search-hl{background:var(--accent-soft)}

/* responsive */
@media (max-width:980px){
  .site-header .wrap{gap:10px}
  .nav,.header-tools .sform{display:none}
  .icon-btn{display:flex}
  .header-tools{margin-left:auto}
  .front-grid{grid-template-columns:1fr}
  .cat-blocks,.cases,.posts-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .two-col,.post-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .article,.list,.side,.post-side{min-width:0}
  .side,.post-side{position:static}
  .site-footer .cols{grid-template-columns:repeat(2,minmax(0,1fr))}
  /* touch: taller rows for text-link lists */
  .side-box li,.site-footer li{padding:4px 0}
  .cat-block li{padding:11px 0}
  .crumbs a,.tags a,.subcats a{padding-top:6px;padding-bottom:6px}
}
@media (max-width:600px){
  .cat-blocks,.cases,.posts-grid{grid-template-columns:minmax(0,1fr)}
  .list-item{grid-template-columns:1fr;gap:12px}
  .site-footer .cols{grid-template-columns:minmax(0,1fr)}
  .section{padding:40px 0}
  .article{font-size:16px}
  .float-contact{right:12px;bottom:14px}
}
@media print{
  .site-header,.site-footer,.float-contact,.post-side,.side,.cta-band,.related{display:none}
}