/* 腾信官网 · 客户案例 / GEO洞察 排版预览
   只重排版式，品牌色沿用线上：深蓝#0F2A4A 蓝#2563EB/#1D4ED8 金#C8A24B 底#F5F8FC */
:root{
  --navy:#0F2A4A; --navy-2:#13345c; --blue:#2563EB; --blue-d:#1D4ED8;
  --gold:#C8A24B; --gold-d:#A8853E;
  --bg:#F5F8FC; --bg-soft:#EEF3FB; --card:#FFFFFF;
  --t1:#0F2A4A; --t2:#4A5A70; --t3:#8A9BB5;
  --line:#E6ECF6; --line-2:#D7E1F0;
  --green:#059669; --green-bg:#ECFDF5;
  --radius:18px; --radius-s:12px;
  --shadow:0 1px 2px rgba(15,42,74,.04),0 10px 30px -12px rgba(15,42,74,.12);
  --shadow-h:0 2px 4px rgba(15,42,74,.05),0 22px 48px -18px rgba(29,78,216,.28);
  --maxw:1140px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,sans-serif;
  color:var(--t2);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ===== 顶栏（沿用线上结构） ===== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;gap:28px;height:68px}
.nav-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--navy);font-size:19px;letter-spacing:.5px;text-decoration:none}
.nav-brand .brand-txt{display:flex;flex-direction:column;line-height:1.05}
.nav-brand .brand-txt small{font-size:10px;letter-spacing:2.4px;color:var(--gold);font-weight:700;margin-top:2px}
.brand-logo{width:38px;height:38px;border-radius:9px}
.nav-menu{margin-left:auto;display:flex;align-items:center;gap:26px;font-size:15px;color:var(--t2)}
.nav-menu a{position:relative;padding:6px 0;font-weight:500;transition:color .2s}
.nav-menu a:hover{color:var(--blue)}
.nav-menu a.active{color:var(--navy);font-weight:700}
.nav-menu a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--gold)}
.btn-gold{background:linear-gradient(135deg,#D4B25C,var(--gold));color:#fff!important;font-weight:700;
  padding:10px 20px;border-radius:999px;box-shadow:0 8px 20px -8px rgba(200,162,75,.6)}
.btn-gold.btn-sm{padding:9px 18px}
.nav-toggle{display:none}

/* ===== 页头 ===== */
.page-head{position:relative;padding:64px 0 36px;overflow:hidden}
.page-head::before{content:"";position:absolute;inset:0;z-index:0;
  background:radial-gradient(680px 300px at 82% -40%,rgba(37,99,235,.10),transparent 60%),
             radial-gradient(520px 260px at 0% -30%,rgba(200,162,75,.10),transparent 60%)}
.page-head .container{position:relative;z-index:1}
.crumb{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  padding:7px 14px;border-radius:999px;font-size:13px;color:var(--t3);margin-bottom:22px}
.crumb b{color:var(--blue);font-weight:600}
.page-head h1{font-size:42px;line-height:1.22;color:var(--navy);letter-spacing:-.5px;font-weight:800}
.page-head h1 em{font-style:normal;color:var(--blue)}
.page-head p{margin-top:14px;max-width:720px;font-size:16px;color:var(--t2)}
.page-head .pledge{margin-top:16px;display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--gold-d);
  background:rgba(200,162,75,.08);border:1px solid rgba(200,162,75,.25);padding:7px 14px;border-radius:999px}

/* ===== 工具条：计数 + 筛选 ===== */
.toolbar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:6px 0 26px}
.count-pill{display:inline-flex;align-items:baseline;gap:6px;background:var(--navy);color:#fff;
  padding:9px 18px;border-radius:999px;font-size:14px}
.count-pill b{font-size:18px;font-weight:800}

/* ============================================================
   客户案例 · 编辑式纵向清单（不再是三等高方块）
   ============================================================ */
/* 32 个行业：自适应卡片网格（宽屏3列 / 平板2列 / 手机1列） */
.case-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px;
  align-items:stretch;padding-bottom:34px}
.case-row{position:relative;display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px 20px 16px;
  box-shadow:var(--shadow);transition:transform .22s,box-shadow .22s,border-color .22s;overflow:hidden}
.case-row::before{content:"";position:absolute;left:0;top:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--gold),#E2C36E);opacity:0;transition:opacity .22s}
.case-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:#cddaf1}
.case-row:hover::before{opacity:1}
/* 顶部：标签行；序号为右上角水印 */
.cr-left{position:relative;margin-bottom:10px;min-height:24px}
.cr-tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{font-size:11.5px;padding:3px 10px;border-radius:999px;font-weight:600;letter-spacing:.3px}
.tag.ind{color:var(--blue);background:#EFF4FF;border:1px solid #DCE7FF}
.tag.real{color:var(--gold-d);background:rgba(200,162,75,.10);border:1px solid rgba(200,162,75,.28)}
.cr-index{position:absolute;top:-6px;right:-2px;font-size:38px;font-weight:800;line-height:1;color:var(--bg-soft);
  letter-spacing:-1px;font-variant-numeric:tabular-nums;-webkit-text-stroke:1px var(--line-2);z-index:0;pointer-events:none}
/* 中部：标题 + 描述 + 地区（自动撑满，底栏对齐） */
.cr-mid{flex:1;display:flex;flex-direction:column;position:relative;z-index:1}
.cr-mid h3{font-size:16.5px;color:var(--navy);font-weight:700;line-height:1.45;margin-bottom:7px;letter-spacing:-.2px}
.cr-mid p{font-size:13.5px;line-height:1.7;color:var(--t2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.cr-region{margin-top:11px;display:inline-flex;align-items:center;gap:5px;font-size:12.5px;color:var(--t3)}
.cr-region svg{width:13px;height:13px;flex-shrink:0}
/* 底栏：虚线分隔，效果徽标 + 操作（按钮/分享） */
.cr-right{display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;
  margin-top:14px;padding-top:13px;border-top:1px dashed var(--line-2);min-width:0}
.cr-acts{display:flex;align-items:center;gap:6px}
.cr-badge{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;color:var(--green);
  background:var(--green-bg);padding:5px 10px;border-radius:999px;white-space:nowrap}
.cr-go{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--blue);
  padding:8px 15px;border:1px solid #D4E0F7;border-radius:999px;transition:all .2s;background:#fff;white-space:nowrap}
.cr-go:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.cr-go svg{width:14px;height:14px;transition:transform .2s}
.case-row:hover .cr-go svg{transform:translateX(3px)}
@media(max-width:560px){
  .case-list{grid-template-columns:1fr;gap:14px}
  .cr-right{flex-direction:column;align-items:stretch;gap:9px}
  .cr-badge{align-self:flex-start}
  .cr-acts{justify-content:space-between;gap:10px}
  .cr-go{flex:1;justify-content:center;padding:10px 16px}
}

/* ============================================================
   GEO洞察 · 杂志流：精选大头条 + 横向文章条
   ============================================================ */
.feature{position:relative;display:grid;grid-template-columns:.9fr 1.1fr;gap:0;background:var(--card);
  border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow);margin-bottom:18px}
.feature:hover{box-shadow:var(--shadow-h)}
.feature-visual{position:relative;min-height:232px;padding:30px 32px;display:flex;flex-direction:column;justify-content:center;gap:18px;
  color:#fff;background:
    radial-gradient(420px 220px at 78% 12%,rgba(200,162,75,.35),transparent 60%),
    linear-gradient(150deg,#0F2A4A,#163d6e 60%,#1D4ED8)}
.fv-kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:1px;
  text-transform:uppercase;color:#F0D99A}
.fv-kicker i{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(200,162,75,.25)}
.fv-big{font-size:84px;font-weight:800;line-height:.9;letter-spacing:-3px;opacity:.92}
.fv-big span{font-size:22px;letter-spacing:0;font-weight:700;opacity:.85;margin-left:6px}
.feature-body{padding:34px 38px;display:flex;flex-direction:column;justify-content:center;gap:0}
.fb-date{font-size:13px;color:var(--t3);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.fb-date i{width:6px;height:6px;border-radius:50%;background:var(--gold)}
.feature-body h2{font-size:25px;line-height:1.38;color:var(--navy);font-weight:800;letter-spacing:-.3px;margin-bottom:12px}
.feature-body p{font-size:14.5px;color:var(--t2);margin-bottom:20px;line-height:1.8}
.fb-go{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;font-size:14.5px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--blue),var(--blue-d));padding:11px 24px;border-radius:999px;
  box-shadow:0 12px 24px -10px rgba(29,78,216,.55)}
.fb-go svg{width:16px;height:16px}
.feature:hover .fb-go svg{transform:translateX(3px)}

.post-list{display:flex;flex-direction:column;gap:10px;padding-bottom:30px}
.post-row{display:grid;grid-template-columns:88px 1fr;gap:20px;align-items:center;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);padding:15px 24px;box-shadow:var(--shadow);
  transition:transform .2s,box-shadow .2s,border-color .2s}
.post-row:hover{transform:translateY(-2px);box-shadow:var(--shadow-h);border-color:#cddaf1}
.pr-date{display:flex;flex-direction:column;gap:3px;border-right:1px dashed var(--line-2);padding-right:2px}
.pr-date .d{font-size:21px;font-weight:800;color:var(--navy);line-height:1;font-variant-numeric:tabular-nums}
.pr-date .ym{font-size:11.5px;color:var(--t3)}
.pr-date .tagline{margin-top:6px;font-size:11px;font-weight:700;color:var(--blue);letter-spacing:1px}
/* 中栏：标题/摘要占左，分享小图标在右（同 grid 单元，永不遮挡文字） */
.pr-mid{display:grid;grid-template-columns:1fr auto;gap:6px 14px;align-items:center;min-width:0}
.pr-mid h3{grid-column:1;font-size:16.5px;color:var(--navy);font-weight:700;line-height:1.4;letter-spacing:-.2px;min-width:0}
.pr-mid p{grid-column:1;font-size:13.5px;color:var(--t2);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;min-width:0}
.pr-share{grid-column:2;grid-row:1 / span 2;align-self:center}
.post-row .pr-go{display:none}

/* ===== 底部 CTA ===== */
.cta-band{margin:10px 0 70px;background:linear-gradient(135deg,#0F2A4A,#163d6e 70%,#1D4ED8);
  border-radius:24px;padding:48px 48px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:30px;
  position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,162,75,.28),transparent 70%)}
.cta-band h3{font-size:25px;font-weight:800;letter-spacing:-.3px;margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.78);font-size:14.5px;max-width:560px}
.cta-band .btn-gold{position:relative;z-index:1;flex-shrink:0;padding:14px 32px;font-size:16px}

/* ===== 页脚 ===== */
.foot{border-top:1px solid var(--line);background:#fff;padding:30px 0;color:var(--t3);font-size:13px;line-height:1.7}
.foot .container{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
/* 三行式页脚：版权 / 备案 / 预览说明，各自独立一行，清晰不挤 */
.foot-inner{flex-direction:column!important;align-items:flex-start!important;gap:7px!important;justify-content:flex-start!important}
.foot-copy{color:#52627A;font-weight:600}
.foot-beian{color:var(--t3);text-decoration:none;font-variant-numeric:tabular-nums}
.foot-beian:active{color:var(--blue)}
@media(hover:hover){.foot-beian:hover{color:var(--blue)}}
.preview-note{display:inline-block;margin:3px 0 0;font-size:12.5px;color:var(--gold-d);white-space:nowrap;
  background:rgba(200,162,75,.08);border:1px dashed rgba(200,162,75,.4);padding:6px 14px;border-radius:8px}

/* ============================================================
   移动端全屏导航抽屉（重做：有层级/大触控/可折叠/紧凑）
   ============================================================ */
.mnav{position:fixed;inset:0;z-index:200;background:linear-gradient(180deg,#ffffff,#f3f7ff);
  display:flex;flex-direction:column;transform:translateX(102%);transition:transform .32s cubic-bezier(.4,0,.2,1);
  visibility:hidden}
.mnav.open{transform:translateX(0);visibility:visible}
.mnav-top{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;
  border-bottom:1px solid var(--line);background:#fff}
.mnav-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--navy);font-size:18px;text-decoration:none}
.mnav-brand img{width:36px;height:36px;border-radius:9px}
.mnav-brand .brand-txt{display:flex;flex-direction:column;line-height:1.05}
.mnav-brand .brand-txt small{font-size:9.5px;letter-spacing:2.2px;color:var(--gold);font-weight:700;margin-top:2px}
.mnav-close{width:40px;height:40px;border-radius:50%;border:1px solid var(--line-2);background:#fff;
  font-size:20px;color:var(--navy);display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0}
.mnav-scroll{flex:1;overflow-y:auto;padding:18px 20px calc(20px + env(safe-area-inset-bottom))}
.mnav-cta{display:flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(135deg,#D4B25C,var(--gold));
  color:#fff;font-weight:700;font-size:16px;padding:15px;border-radius:14px;box-shadow:0 12px 26px -10px rgba(200,162,75,.65);margin-bottom:20px}
/* 主导航：大触控列表项 */
.mnav-primary{display:flex;flex-direction:column;gap:4px;margin-bottom:22px}
.mnav-primary a{display:flex;align-items:center;gap:14px;padding:14px 14px;border-radius:13px;
  color:var(--navy);font-size:16.5px;font-weight:600;transition:background .18s}
.mnav-primary a:active{background:#eaf1ff}
.mnav-primary a .ic{width:38px;height:38px;border-radius:11px;background:#EFF4FF;color:var(--blue);
  display:flex;align-items:center;justify-content:center;flex-shrink:0}
.mnav-primary a .ic svg{width:19px;height:19px}
.mnav-primary a .ar{margin-left:auto;color:var(--t3)}
.mnav-primary a .ar svg{width:17px;height:17px}
/* 分组小标题 */
.mnav-grp-title{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--t3);
  letter-spacing:1px;margin:6px 4px 12px}
.mnav-grp-title::after{content:"";flex:1;height:1px;background:var(--line)}
/* 核心服务：2列紧凑卡片 */
.mnav-svc{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:24px}
.mnav-svc a{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 13px;
  color:var(--navy);font-size:14px;font-weight:600;line-height:1.4;min-height:78px;display:flex;flex-direction:column;gap:7px;
  box-shadow:0 1px 2px rgba(15,42,74,.04)}
.mnav-svc a .ic{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,#EAF1FF,#F6F0DF);
  color:var(--blue);display:flex;align-items:center;justify-content:center}
.mnav-svc a .ic svg{width:16px;height:16px}
/* 城市：紧凑网格 */
.mnav-cities{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:10px}
.mnav-cities a{background:#fff;border:1px solid var(--line);border-radius:11px;text-align:center;padding:11px 0;
  font-size:14px;color:var(--t2);font-weight:500}
.mnav-cities a.hot{color:var(--blue);border-color:#D4E0F7;background:#F4F8FF;font-weight:700}
.mnav-cities-all{display:block;text-align:center;color:var(--gold-d);font-size:14px;font-weight:700;
  border:1px dashed rgba(200,162,75,.45);background:rgba(200,162,75,.06);border-radius:12px;padding:12px;margin-top:4px}
.mnav-foot{margin-top:24px;padding-top:18px;border-top:1px solid var(--line);text-align:center;
  color:var(--t3);font-size:12px;line-height:1.9}
.mnav-mask{position:fixed;inset:0;background:rgba(15,42,74,.4);z-index:150;opacity:0;visibility:hidden;
  transition:opacity .3s;cursor:pointer}
.mnav-mask.show{opacity:1;visibility:visible}
/* 独立预览页（mobile-nav.html）：电脑端显示为居中手机样机，手机端全屏 */
body.mnav-demo{background:linear-gradient(160deg,#dfe7f3,#eef2f8);min-height:100vh}
body.mnav-demo .mnav{transform:none;visibility:visible}
body.mnav-demo .mnav-close{display:none}
@media(min-width:861px){
  body.mnav-demo{display:flex;align-items:center;justify-content:center;padding:30px}
  body.mnav-demo .mnav{position:relative;inset:auto;width:390px;height:min(844px,92vh);
    border-radius:40px;overflow:hidden;box-shadow:0 40px 90px -30px rgba(15,42,74,.5),0 0 0 10px #0F2A4A,0 0 0 12px #2a4a72}
}
@media(max-width:860px){
  body.mnav-demo .mnav{position:fixed;inset:0}
}

/* ===== 响应式 ===== */
@media(max-width:860px){
  .nav-menu{display:none}
  .page-head{padding:40px 0 26px}
  .page-head h1{font-size:28px;line-height:1.28}
  .page-head p{font-size:14.5px}
  .toolbar{gap:10px;padding:2px 0 20px}
      .cr-share{flex-shrink:0}
  .feature{grid-template-columns:1fr;border-radius:18px;margin-bottom:14px}
  .feature-visual{min-height:0;padding:14px 18px;flex-direction:row;align-items:center;justify-content:space-between;gap:12px}
  .fv-big{font-size:30px;letter-spacing:-1px;white-space:nowrap}
  .fv-big span{font-size:13px;display:inline;margin:0 0 0 3px;letter-spacing:0;font-weight:700}
  .fv-kicker{font-size:11px;white-space:nowrap}
  .feature-body{padding:16px 18px 18px}
  .feature-body h2{font-size:17px;line-height:1.4;margin-bottom:6px}
  .fb-date{margin-bottom:8px;font-size:12px}
  .feature-body p{font-size:13px;margin-bottom:14px;-webkit-line-clamp:2;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden;line-height:1.6}
  .fb-go{padding:11px 18px;font-size:14px;align-self:stretch;justify-content:center}
  .post-list{gap:10px}
  .post-row{grid-template-columns:42px 1fr;gap:12px;padding:13px 15px;align-items:start}
  .pr-date{border-right:0;padding-right:0}
  .pr-date .d{font-size:16px}
  .pr-date .ym,.pr-date .tagline{display:none}
  .pr-mid{grid-template-columns:1fr auto;gap:2px 8px}
  .pr-mid h3{font-size:15px;line-height:1.38;padding-right:0}
  .pr-mid p{display:none}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 22px;margin:6px 0 40px}
  .cta-band h3{font-size:20px}
  .cta-band .btn-gold{width:100%;text-align:center}
  .foot{padding:24px 0;font-size:12px}
  .foot-inner{gap:6px!important}
  .preview-note{white-space:normal;margin-top:2px}
}

/* ============================================================
   一键转发 / 分享组件
   ============================================================ */
/* 卡片内分享小按钮：低调幽灵图标，不抢主操作 */
.cr-share,.pr-share{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;
  border-radius:9px;border:1px solid transparent;background:transparent;color:var(--t3);cursor:pointer;
  flex-shrink:0;transition:all .18s}
.cr-share svg,.pr-share svg{width:17px;height:17px}
.cr-share:active,.pr-share:active{background:#EFF4FF;color:var(--blue)}
.cr-right{gap:8px}
@media(hover:hover){.cr-share:hover,.pr-share:hover{color:var(--blue);background:#F1F5FF}}
@media(max-width:860px){.cr-share,.pr-share{width:30px;height:30px}.cr-share svg,.pr-share svg{width:16px;height:16px}}

/* 文章详情页分享条：标题 + 等宽图标网格 */
.share-bar{margin:32px 0 8px;padding:24px;background:#fff;border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow)}
.share-bar .sb-label{font-weight:800;color:var(--navy);font-size:16px;display:flex;align-items:center;gap:9px;margin-bottom:18px}
.share-bar .sb-label svg{width:19px;height:19px;color:var(--blue)}
/* 等宽 4 列图标网格：圆形彩底图标 + 下方文字，和弹层视觉统一 */
.sb-chips{display:grid;grid-template-columns:repeat(6,1fr);gap:14px 6px}
.sb-chip{display:flex;flex-direction:column;align-items:center;gap:8px;padding:4px 2px;border:0;background:none;
  font-size:12.5px;font-weight:600;color:var(--t2);cursor:pointer;font-family:inherit;line-height:1.15;
  text-align:center;transition:transform .18s}
.sb-chip .sb-ic{width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:#F1F5FB;color:#64748B;transition:all .18s}
.sb-chip .sb-ic svg{width:24px;height:24px}
.sb-chip:active{transform:scale(.94)}
.sb-chip.native .sb-ic{background:linear-gradient(145deg,#2E72F0,#1D4ED8);color:#fff;box-shadow:0 10px 18px -10px rgba(37,99,235,.65)}
.sb-chip.wechat .sb-ic{background:#E7F8EF;color:#07A853}
.sb-chip.weibo .sb-ic{background:#FDECEE;color:#E6162D}
.sb-chip.qq .sb-ic{background:#E6F7FE;color:#12B7F5}
.sb-chip.qzone .sb-ic{background:#FBF3DD;color:#D99A00}
.sb-chip.copy .sb-ic{background:#EEF1F6;color:#5B6B82}
@media(hover:hover){.sb-chip:hover{transform:translateY(-2px)}
  .sb-chip:hover .sb-ic{box-shadow:0 8px 16px -8px rgba(15,42,74,.35)}}
@media(max-width:560px){.sb-chips{grid-template-columns:repeat(3,1fr);gap:18px 6px}
  .sb-chip .sb-ic{width:48px;height:48px}}
/* 不再使用常驻悬浮按钮（会遮挡正文/页脚），彻底隐藏 */
.share-fab{display:none!important}

/* 底部上滑分享面板 */
.sheet-mask{position:fixed;inset:0;background:rgba(15,42,74,.45);z-index:300;opacity:0;visibility:hidden;
  transition:opacity .25s;display:flex;align-items:flex-end;justify-content:center}
.sheet-mask.show{opacity:1;visibility:visible}
.sheet{width:100%;max-width:520px;background:#F7F9FC;border-radius:22px 22px 0 0;padding:22px 18px calc(18px + env(safe-area-inset-bottom));
  transform:translateY(102%);transition:transform .3s cubic-bezier(.32,.72,.2,1)}
.sheet-mask.show .sheet{transform:translateY(0)}
@media(min-width:861px){.sheet-mask{align-items:center}.sheet{border-radius:22px;max-width:440px;transform:translateY(16px);transition:transform .25s,opacity .25s;opacity:0}
  .sheet-mask.show .sheet{transform:translateY(0);opacity:1}}
.sheet-title{text-align:center;font-size:13px;color:var(--t3);margin-bottom:6px;font-weight:600}
.sheet-link{text-align:center;font-size:12px;color:var(--t3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  padding:0 24px 16px;border-bottom:1px solid var(--line);margin-bottom:18px}
.sheet-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px 8px;margin-bottom:18px}
.sheet-item{display:flex;flex-direction:column;align-items:center;gap:8px;cursor:pointer;background:none;border:0}
.sheet-item .si-ic{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff}
.sheet-item .si-ic svg{width:24px;height:24px}
.sheet-item span{font-size:12.5px;color:var(--t2);font-weight:500}
.si-native{background:linear-gradient(135deg,var(--blue),#1D4ED8)}
.si-wx{background:#07C160}.si-pyq{background:linear-gradient(135deg,#07C160,#06A552)}
.si-wb{background:#E6162D}.si-qq{background:#12B7F5}.si-qz{background:#FDBD22}
.si-copy{background:#64748B}.si-qr{background:#334155}
.sheet-cancel{width:100%;padding:14px;border-radius:14px;background:#fff;border:1px solid var(--line);
  font-size:16px;font-weight:700;color:var(--navy);cursor:pointer}
/* 复制成功 toast */
.share-toast{position:fixed;left:50%;bottom:18%;transform:translate(-50%,16px);z-index:400;background:rgba(15,42,74,.92);
  color:#fff;padding:12px 22px;border-radius:12px;font-size:14.5px;font-weight:600;opacity:0;visibility:hidden;
  transition:all .28s;display:flex;align-items:center;gap:8px;white-space:nowrap}
.share-toast.show{opacity:1;visibility:visible;transform:translate(-50%,0)}
.share-toast svg{width:17px;height:17px;color:#5FE3A1}
/* 微信内右上角引导遮罩 */
.wx-guide{position:fixed;inset:0;z-index:500;background:rgba(15,42,74,.82);opacity:0;visibility:hidden;
  transition:opacity .3s}
.wx-guide.show{opacity:1;visibility:visible}
.wx-guide .wg-tip{position:absolute;top:14px;right:18px;color:#fff;text-align:right;font-size:16px;line-height:1.7;font-weight:600}
.wx-guide .wg-tip svg{width:56px;height:56px;margin-bottom:6px;filter:drop-shadow(0 2px 6px rgba(0,0,0,.3))}
.wx-guide .wg-tip .wg-cancel{display:inline-block;margin-top:14px;font-size:14px;font-weight:400;opacity:.85;border:1px solid rgba(255,255,255,.5);padding:6px 18px;border-radius:999px}
/* 二维码弹层 */
.qr-mask{position:fixed;inset:0;z-index:450;background:rgba(15,42,74,.55);display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:opacity .25s}
.qr-mask.show{opacity:1;visibility:visible}
.qr-card{background:#fff;border-radius:20px;padding:26px;text-align:center;max-width:300px;width:82%}
.qr-card img{width:200px;height:200px;border-radius:12px;background:#f1f5f9}
.qr-card h4{margin:14px 0 4px;color:var(--navy);font-size:17px}
.qr-card p{font-size:13px;color:var(--t3);margin:0}

/* 文章详情排版 */
.art-wrap{max-width:760px;margin:0 auto;padding:8px 0 40px}
.art-crumb{font-size:13px;color:var(--t3);margin-bottom:16px}
.art-crumb a{color:var(--blue);text-decoration:none}
.art-crumb a:active{text-decoration:underline}
.art-crumb a{color:var(--blue)}
.art-title{font-size:30px;line-height:1.38;color:var(--navy);font-weight:800;margin-bottom:14px;letter-spacing:-.3px}
.art-meta{display:flex;gap:16px;align-items:center;font-size:13.5px;color:var(--t3);padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:26px;flex-wrap:wrap}
.art-body{font-size:16.5px;line-height:1.95;color:#33415C}
.art-body h2{font-size:21px;color:var(--navy);margin:32px 0 12px;font-weight:800}
.art-body p{margin:0 0 18px}
.art-body blockquote{border-left:3px solid var(--gold);background:#FBF8EF;margin:20px 0;padding:14px 20px;border-radius:0 12px 12px 0;color:#5a5240;font-size:15.5px}
/* 真实文章里的 WordPress 区块：表格/列表/小标题美化 */
.art-body figure{margin:22px 0}
.art-body .wp-block-table{overflow-x:auto;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
.art-body table{width:100%;border-collapse:collapse;font-size:14px;min-width:480px;background:#fff}
.art-body table td,.art-body table th{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;line-height:1.5}
.art-body table tr:first-child td{background:#0F2A4A;color:#fff;font-weight:700}
.art-body table tr:nth-child(even):not(:first-child){background:#F7FAFF}
.art-body table tr:last-child td{border-bottom:0}
.art-body ul,.art-body ol{margin:0 0 18px;padding-left:22px}
.art-body li{margin:0 0 8px;line-height:1.85}
.art-body strong{color:var(--navy)}
/* 文内 CTA（免费诊断段） */
.art-cta{margin:26px 0;padding:22px 24px;border-radius:16px;color:#fff;
  background:linear-gradient(135deg,#0F2A4A,#163d6e 70%,#1D4ED8);position:relative;overflow:hidden}
.art-cta h3{font-size:18px;font-weight:800;margin-bottom:8px;color:#fff}
.art-cta p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.85);margin:0}
/* 推荐阅读 */
.related{margin-top:40px}
.related-title{font-size:18px;font-weight:800;color:var(--navy);margin-bottom:16px;
  display:flex;align-items:center;gap:10px}
.related-title::after{content:"";flex:1;height:1px;background:var(--line)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.rel-card{display:block;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;
  text-decoration:none;transition:transform .18s,box-shadow .18s,border-color .18s}
.rel-card time{font-size:12px;color:var(--t3)}
.rel-card h4{font-size:14.5px;color:var(--navy);font-weight:700;line-height:1.5;margin:8px 0 6px}
.rel-card p{font-size:12.5px;color:var(--t2);line-height:1.6;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
@media(hover:hover){.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-h);border-color:#cddaf1}}
@media(max-width:860px){
  .art-wrap{padding:4px 0 36px}
  .art-wrap{max-width:100%}
  main .container.art-wrap{padding-left:20px;padding-right:20px}
  .art-title{font-size:22px;line-height:1.4}
  .art-meta{font-size:12.5px;gap:10px;margin-bottom:20px}
  .art-body{font-size:15.5px;line-height:1.9}
  .art-body h2{font-size:18px;margin:26px 0 10px}
  .art-body p{margin:0 0 15px}
  .share-bar{margin:26px 0 4px;padding:20px 16px}
  .related-grid{grid-template-columns:1fr;gap:10px}
  .rel-card{padding:16px}
  .sheet-grid{gap:16px 6px}.sheet-item .si-ic{width:48px;height:48px}
}