/* ════════════════════════════════════════════════════════════
   Blog — article + index styles (extends assets/css/styles.css)
   ════════════════════════════════════════════════════════════ */

/* CJK font stacks on Chinese pages */
body.zh{font-family:'Sora','Noto Sans SC',sans-serif;}
body.zh h1,body.zh h2,body.zh h3,body.zh .art-h1{font-family:'Lora','Noto Serif SC',serif;}

/* ── Blog nav (static, JS-free) ─────────────────────────────── */
#bnav{background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:900;}
.bnav-in{display:flex;align-items:center;justify-content:space-between;gap:12px;height:62px;}
.bnav-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--blue);
  font-size:13.5px;font-weight:700;min-width:0;}
.bnav-brand img{height:26px;width:auto;flex:none;}
.bnav-brand small{font-weight:400;color:var(--muted);}
.bnav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:flex-end;}
.bnav-links a:not(.btn){font-size:13px;font-weight:500;color:var(--body);text-decoration:none;
  padding:7px 11px;border-radius:8px;}
.bnav-links a:not(.btn):hover{background:var(--sky);color:var(--blue);}
.bnav-links a.on{color:var(--blue);font-weight:700;background:var(--sky);}
.bnav-btn{padding:9px 14px !important;font-size:12px !important;}

/* ── Article hero band ──────────────────────────────────────── */
.art-hero{background:var(--grad-hero);padding:46px 0 34px;color:#fff;}
.art-back{display:inline-block;font-size:12.5px;color:rgba(255,255,255,.7);text-decoration:none;margin-bottom:16px;}
.art-back:hover{color:#fff;}
.art-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;
  color:rgba(255,255,255,.65);margin-bottom:14px;}
.chip-cat{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:20px;font-size:11px;font-weight:700;
  letter-spacing:1px;text-transform:uppercase;background:rgba(200,168,75,.18);
  border:1px solid rgba(240,212,138,.4);color:var(--gold2);}
.cat-ico{flex:none;display:block;}
.pc-top .cat-ico{color:var(--mid);}
.quick-take{font-size:15px;font-weight:500;color:rgba(255,255,255,.88);max-width:640px;
  margin:-6px 0 20px;padding-left:14px;border-left:2px solid var(--gold2);line-height:1.6;}
.art-h1{font-family:'Lora',serif;font-size:clamp(26px,4vw,42px);font-weight:700;line-height:1.2;
  max-width:820px;margin-bottom:20px;}
.index-sub{font-size:15px;color:rgba(255,255,255,.7);font-weight:300;line-height:1.7;
  max-width:640px;margin-bottom:20px;}

/* Language pills */
.lang-pills{display:inline-flex;gap:6px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  border-radius:40px;padding:4px;backdrop-filter:blur(8px);}
.lang-pills .pill{font-size:12.5px;font-weight:600;color:rgba(255,255,255,.75);text-decoration:none;
  padding:7px 16px;border-radius:30px;transition:all .2s;}
.lang-pills .pill:hover{color:#fff;background:rgba(255,255,255,.1);}
.lang-pills .pill.active{background:var(--grad-gold);color:var(--deep);}

/* ── Article body ───────────────────────────────────────────── */
.art-body{max-width:720px;margin:0 auto;padding:46px 0 70px;}
.art-body p{font-size:15.5px;line-height:1.9;color:var(--body);font-weight:300;margin-bottom:18px;}
.art-body strong{font-weight:600;color:var(--navy);}
.art-body em{color:var(--mid);}
.art-body h2{font-family:'Lora',serif;font-size:22px;font-weight:700;color:var(--navy);
  margin:34px 0 12px;line-height:1.35;}
.art-body ul{margin:0 0 18px 4px;padding-left:20px;}
.art-body li{font-size:15px;line-height:1.85;color:var(--body);font-weight:300;margin-bottom:8px;}

/* Pull-stat callout */
.pull-stat{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;margin:24px 0 30px;
  padding:20px 24px;border-radius:16px;background:linear-gradient(120deg,rgba(0,55,129,.06),rgba(200,168,75,.1));
  border:1px solid rgba(200,168,75,.3);}
.ps-num{font-family:'Lora',serif;font-size:clamp(24px,4vw,32px);font-weight:700;color:var(--navy);white-space:nowrap;}
body.zh .ps-num{font-family:'Lora','Noto Serif SC',serif;}
.ps-cap{font-size:13px;color:var(--muted);line-height:1.6;max-width:420px;}

/* Post CTA box */
.post-cta{margin-top:44px;border-radius:20px;padding:32px 30px;text-align:center;
  background:linear-gradient(120deg,rgba(0,55,129,.05),rgba(0,157,224,.09));
  border:1px solid rgba(0,157,224,.28);}
.post-cta h3{font-family:'Lora',serif;font-size:20px;color:var(--navy);margin-bottom:8px;}
body.zh .post-cta h3{font-family:'Lora','Noto Serif SC',serif;}
.post-cta p{font-size:13.5px;color:var(--muted);max-width:460px;margin:0 auto 20px;}
.post-cta-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}

/* ── Index post grid ────────────────────────────────────────── */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;padding:46px 0 10px;}
.post-card{display:flex;flex-direction:column;text-decoration:none;background:var(--grad-soft);
  border:1px solid var(--border);border-radius:var(--r);padding:26px 24px;transition:all .25s ease;}
.post-card:hover{transform:translateY(-5px);box-shadow:var(--sh2);}
.pc-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;}
.pc-top .chip-cat{background:var(--sky);border-color:var(--border);color:var(--mid);}
.pc-min{font-size:11.5px;color:var(--muted);}
.post-card h2{font-family:'Lora',serif;font-size:18.5px;font-weight:700;color:var(--navy);
  line-height:1.35;margin-bottom:10px;}
body.zh .post-card h2{font-family:'Lora','Noto Serif SC',serif;}
.post-card p{font-size:13px;color:var(--muted);line-height:1.75;font-weight:300;flex:1;margin-bottom:16px;}
.pc-more{font-size:12.5px;font-weight:700;color:var(--blue);}

/* ── Blog footer ────────────────────────────────────────────── */
.bfoot{background:var(--deep);padding:34px 0 28px;margin-top:20px;}
.bfoot-disc{font-size:10.5px;line-height:1.7;color:rgba(255,255,255,.38);font-weight:300;
  max-width:820px;margin-bottom:18px;}
.bfoot-line{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:11.5px;color:rgba(255,255,255,.55);}
.bfoot-code b{color:var(--gold2);letter-spacing:1px;}

/* ── Responsive ─────────────────────────────────────────────── */
@media(max-width:900px){
  .post-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:640px){
  .post-grid{grid-template-columns:1fr;padding-top:32px;}
  .art-hero{padding:34px 0 28px;}
  .art-body{padding:34px 0 56px;}
  .bnav-brand span small{display:none;}
  .bnav-links a:not(.btn){padding:7px 8px;}
}