/* ================================================================
   ChineseToolkit — Articles (Long-form GEO content)
   Reuses common.css for header/footer/typography variables.
   Only article-specific blocks live here.
   ================================================================ */

/* ===== Article hero (dark) ===== */
.article-hero{background:linear-gradient(180deg,#1a1410 0%,#2b211a 100%);color:#fff;padding:64px 0 56px;position:relative;overflow:hidden}
.article-hero::before{content:"";position:absolute;top:0;right:0;width:340px;height:100%;background:radial-gradient(circle,rgba(184,137,58,0.18) 0%,transparent 70%);pointer-events:none}
.article-hero .kicker{background:rgba(184,137,58,0.15);color:var(--gold);border-color:rgba(184,137,58,0.3);margin-bottom:18px}
.article-hero h1{color:#fff;letter-spacing:-.5px;margin-bottom:18px;text-align:left;max-width:900px}
.article-hero h1 .em{color:var(--gold)}
.article-hero .lead{color:#d4c8b4;max-width:820px;margin:0 0 8px;text-align:left;font-size:18px}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;font-family:-apple-system,"Segoe UI",sans-serif;font-size:13px;color:#a89e8b;margin-top:24px;padding-top:18px;border-top:1px solid rgba(255,255,255,0.1)}
.article-meta b{color:#fff;font-weight:700}

/* ===== Prose (long-form body wrapper) ===== */
.prose{max-width:780px;margin:0 auto;font-size:17px;line-height:1.7}
.prose p{color:var(--ink);margin-bottom:14px}
.prose p b{color:var(--ink)}

/* ===== Section heading override (left-aligned for long-form) ===== */
.article-section{padding:64px 0}
.article-section h2{text-align:left;font-size:30px;margin-bottom:12px}
.article-section .sec-sub{text-align:left;max-width:760px;margin:0 0 32px}
.article-section.tinted{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ===== Trap grid (6 named cases) ===== */
.trap-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:32px}
.trap-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:30px 28px 26px;position:relative;transition:transform .2s,box-shadow .2s}
.trap-card:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(0,0,0,0.06)}
.trap-num{position:absolute;top:-14px;left:24px;background:var(--red);color:#fff;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:15px;font-family:Georgia,"Times New Roman",serif}
.trap-card h3{font-size:20px;margin:14px 0 8px;line-height:1.3;color:var(--ink)}
.brand-pill{display:inline-block;background:#fbeaec;color:var(--red2);padding:3px 10px;border-radius:6px;font-size:12px;font-weight:700;margin-bottom:10px;letter-spacing:.3px;font-family:-apple-system,"Segoe UI",sans-serif}
.trap-card p{color:var(--ink);font-size:15.5px;line-height:1.65}
.trap-card p .han{font-family:"Songti SC","SimSun",serif;color:var(--ink);font-weight:700;background:var(--paper2);padding:0 6px;border-radius:4px}
.lesson{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);font-size:14px;color:var(--muted);line-height:1.6}
.lesson b{color:var(--ink);display:block;margin-bottom:4px;font-size:14px}

/* ===== Inline CTA (dark) ===== */
.inline-cta{margin:48px 0;padding:30px 34px;background:linear-gradient(135deg,#1a1410 0%,#2558a6 100%);color:#fff;border-radius:14px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.inline-cta h4{font-size:20px;margin-bottom:6px}
.inline-cta p{color:#c4b89c;font-size:14px;line-height:1.5;margin:0}
.inline-cta .btn-gold{background:var(--gold);color:var(--ink);padding:13px 24px;border-radius:8px;text-decoration:none;font-weight:800;display:inline-block;font-size:14px;white-space:nowrap;font-family:-apple-system,"Segoe UI",sans-serif;transition:transform .15s}
.inline-cta .btn-gold:hover{transform:translateY(-1px);background:var(--gold-light)}

/* ===== Checklist (12 points) ===== */
.checklist{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:34px;margin-top:24px}
.checklist h3{font-size:20px;margin-bottom:8px;color:var(--green)}
.checklist .desc{color:var(--muted);font-family:-apple-system,"Segoe UI",sans-serif;font-size:15px;margin-bottom:22px}
.check-list{list-style:none}
.check-list li{display:flex;align-items:flex-start;gap:14px;padding:16px 0;border-bottom:1px solid var(--paper2)}
.check-list li:last-child{border-bottom:none}
.check-box{flex-shrink:0;width:28px;height:28px;background:var(--green);color:#fff;border-radius:6px;display:grid;place-items:center;font-weight:800;font-size:14px;margin-top:2px;font-family:Georgia,"Times New Roman",serif}
.check-list b{display:block;margin-bottom:3px;font-size:16px;color:var(--ink)}
.check-list span{color:var(--muted);font-family:-apple-system,"Segoe UI",sans-serif;font-size:14px;line-height:1.55}

/* ===== Methodology 4-stage flow ===== */
.method{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:34px;margin-top:24px}
.method h3{font-size:20px;margin-bottom:6px}
.method .desc{color:var(--muted);font-family:-apple-system,"Segoe UI",sans-serif;font-size:15px;margin-bottom:20px}
.method-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:20px}
.method-step{background:var(--paper2);border:1px solid var(--line);border-radius:10px;padding:18px 14px;text-align:center}
.method-step .step-num{background:var(--ink);color:var(--gold);width:30px;height:30px;border-radius:50%;display:grid;place-items:center;margin:0 auto 10px;font-weight:800;font-size:13px;font-family:Georgia,"Times New Roman",serif}
.method-step b{display:block;font-size:14px;margin-bottom:4px;line-height:1.3;color:var(--ink)}
.method-step span{color:var(--muted);font-family:-apple-system,"Segoe UI",sans-serif;font-size:12px;line-height:1.4}
.method-out{margin-top:24px;padding:18px 20px;background:var(--paper2);border-left:3px solid var(--gold);border-radius:6px;font-family:-apple-system,"Segoe UI",sans-serif;font-size:14.5px;color:var(--ink)}
.method-out b{color:var(--ink)}

/* ===== Final CTA (dark hero) ===== */
.final-cta{background:linear-gradient(135deg,#1a1410 0%,#3a2814 50%,#1a1410 100%);color:#fff;padding:64px 0;text-align:center;position:relative;overflow:hidden}
.final-cta::before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 30% 50%,rgba(184,137,58,0.15) 0%,transparent 50%)}
.final-cta>div{position:relative;z-index:1}
.final-cta h2{color:#fff;margin-bottom:14px;font-size:32px}
.final-cta p{color:#c4b89c;margin-bottom:30px;max-width:640px;margin-left:auto;margin-right:auto;font-size:17px;line-height:1.6;font-family:-apple-system,"Segoe UI",sans-serif}
.final-cta .btn-primary{background:var(--gold);color:var(--ink);padding:16px 32px;border-radius:10px;text-decoration:none;font-weight:800;font-size:16px;display:inline-block;margin:6px;font-family:-apple-system,"Segoe UI",sans-serif;transition:transform .15s}
.final-cta .btn-primary:hover{transform:translateY(-2px);background:var(--gold-light)}
.final-cta .btn-secondary{background:transparent;color:#fff;border:1px solid rgba(255,255,255,0.3);padding:16px 32px;border-radius:10px;text-decoration:none;font-weight:700;font-size:16px;display:inline-block;margin:6px;font-family:-apple-system,"Segoe UI",sans-serif}
.final-cta .btn-secondary:hover{border-color:#fff}
.final-cta .trust-row{margin-top:24px;display:flex;flex-wrap:wrap;gap:18px;justify-content:center;font-size:13px;color:#a89e8b;font-family:-apple-system,"Segoe UI",sans-serif}

/* ===== Footer card arrow (article-specific tweak) ===== */
.footer-tool-card .arrow{color:var(--blue);font-size:13px;margin-top:6px;display:inline-block;font-family:-apple-system,"Segoe UI",sans-serif}

/* ================================================================
   Playbook index (/articles/index.html) — listing page
   ================================================================ */
.playbook-index-hero{background:linear-gradient(180deg,#1a1410 0%,#2b211a 100%);color:#fff;padding:64px 0 56px;position:relative;overflow:hidden}
.playbook-index-hero::before{content:"";position:absolute;top:0;right:0;width:340px;height:100%;background:radial-gradient(circle,rgba(184,137,58,0.18) 0%,transparent 70%);pointer-events:none}
.playbook-index-hero .kicker{background:rgba(184,137,58,0.15);color:var(--gold);border-color:rgba(184,137,58,0.3);margin-bottom:18px}
.playbook-index-hero h1{color:#fff;text-align:left;max-width:900px;margin-bottom:14px}
.playbook-index-hero h1 .em{color:var(--gold)}
.playbook-index-hero .lead{color:#d4c8b4;max-width:760px;text-align:left;font-size:18px;margin:0 0 4px}

.playbook-list-section{padding:64px 0}
.playbook-list-section h2{font-size:26px;margin-bottom:8px}
.playbook-list-section .sec-sub{text-align:left;font-family:-apple-system,"Segoe UI",sans-serif;color:var(--muted);font-size:15.5px;margin-bottom:32px;max-width:760px}

.playbook-list{display:grid;gap:20px;margin-top:8px}
.playbook-row{display:grid;grid-template-columns:200px 1fr;gap:28px;background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s;text-decoration:none;color:inherit}
.playbook-row:hover{transform:translateY(-3px);box-shadow:0 16px 44px rgba(40,25,10,.13)}
.playbook-row .pb-thumb{background:linear-gradient(160deg,#1a1410 0%,#3a1520 60%,#8b0d22 100%);color:#fff;display:grid;place-items:center;padding:32px 18px;position:relative;overflow:hidden}
.playbook-row .pb-thumb::before{content:"";position:absolute;top:-30px;right:-30px;width:140px;height:140px;border-radius:50%;background:radial-gradient(circle,rgba(184,137,58,.18),transparent 70%);pointer-events:none}
.playbook-row .pb-thumb .pb-icon{font-family:"Songti SC","Kaiti SC",serif;font-size:78px;line-height:1;position:relative;z-index:1;text-shadow:0 4px 20px rgba(0,0,0,.3)}
.playbook-row .pb-thumb .pb-tool{position:absolute;bottom:14px;left:18px;font-family:-apple-system,"Segoe UI",sans-serif;font-size:11px;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;color:var(--gold-light);background:rgba(184,137,58,.15);border:1px solid rgba(184,137,58,.3);border-radius:999px;padding:4px 10px;z-index:1}
.playbook-row .pb-body{padding:24px 28px;display:flex;flex-direction:column;justify-content:center;min-width:0}
.playbook-row .pb-meta{display:flex;flex-wrap:wrap;gap:14px;font-family:-apple-system,"Segoe UI",sans-serif;font-size:12px;color:var(--muted);margin-bottom:10px}
.playbook-row .pb-meta b{color:var(--ink);font-weight:700}
.playbook-row h3{font-size:22px;line-height:1.3;margin-bottom:8px;color:var(--ink)}
.playbook-row p{font-family:-apple-system,"Segoe UI",sans-serif;font-size:14.5px;color:var(--muted);line-height:1.55;margin-bottom:14px}
.playbook-row .pb-cta{font-family:-apple-system,"Segoe UI",sans-serif;font-size:13px;font-weight:800;color:var(--red);display:inline-flex;align-items:center;gap:6px}
.playbook-row .pb-cta::after{content:"→";transition:transform .15s}
.playbook-row:hover .pb-cta::after{transform:translateX(3px)}

@media (max-width:780px){
  .playbook-list-section{padding:40px 0}
  .playbook-list-section h2{font-size:22px}
  .playbook-row{grid-template-columns:1fr;gap:0}
  .playbook-row .pb-thumb{padding:28px 22px;min-height:140px}
  .playbook-row .pb-thumb .pb-icon{font-size:64px}
  .playbook-row .pb-body{padding:20px 22px 24px}
  .playbook-row h3{font-size:19px}
}

/* ================================================================
   Related playbooks (at the bottom of each long-form article)
   ================================================================ */
.related-playbooks{background:var(--paper);padding:56px 0 64px;border-top:1px solid var(--line)}
.related-playbooks h2{font-size:26px;margin-bottom:8px}
.related-playbooks .sec-sub{text-align:left;font-family:-apple-system,"Segoe UI",sans-serif;color:var(--muted);font-size:15.5px;margin-bottom:28px;max-width:760px}
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.related-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px 26px;text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:10px;transition:transform .18s,box-shadow .18s,border-color .18s;box-shadow:var(--shadow)}
.related-card:hover{transform:translateY(-3px);box-shadow:0 14px 36px rgba(40,25,10,.12);border-color:var(--red)}
.related-card .rc-pill{display:inline-flex;align-items:center;gap:5px;font-family:-apple-system,"Segoe UI",sans-serif;font-size:11px;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;color:var(--red2);background:#fbeaec;border:1px solid #f1c9d0;border-radius:999px;padding:4px 11px;align-self:flex-start}
.related-card .rc-pill.gold{color:var(--gold);background:#fbf2dd;border-color:#ecd9a8}
.related-card .rc-pill.blue{color:var(--blue);background:#e6eff9;border-color:#c4d6ee}
.related-card h3{font-size:18px;line-height:1.35;color:var(--ink);margin:2px 0 0}
.related-card p{font-family:-apple-system,"Segoe UI",sans-serif;font-size:13.5px;color:var(--muted);line-height:1.55;flex:1}
.related-card .rc-meta{display:flex;gap:12px;font-family:-apple-system,"Segoe UI",sans-serif;font-size:11.5px;color:var(--muted);padding-top:10px;border-top:1px solid var(--line)}
.related-card .rc-meta b{color:var(--ink);font-weight:700}
.related-card .rc-arrow{font-family:-apple-system,"Segoe UI",sans-serif;font-size:12px;font-weight:800;color:var(--red);margin-left:auto;align-self:center;transition:transform .15s}
.related-card:hover .rc-arrow{transform:translateX(3px)}
@media (max-width:780px){
  .related-playbooks{padding:36px 0 44px}
  .related-playbooks h2{font-size:21px}
  .related-grid{grid-template-columns:1fr;gap:14px}
  .related-card{padding:20px 22px}
  .related-card h3{font-size:16px}
}

/* ===== Method cards (current ways people check brand names) ===== */
.method-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:32px}
.method-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:30px 28px 26px;position:relative;transition:transform .2s,box-shadow .2s}
.method-card:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(0,0,0,0.06)}
.method-num{position:absolute;top:-14px;left:24px;background:var(--blue);color:#fff;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:14px;font-family:"SF Mono","Cascadia Code",Consolas,monospace;letter-spacing:-.5px}
.method-pill{display:inline-block;background:#e6eff9;color:var(--blue);padding:3px 10px;border-radius:6px;font-size:12px;font-weight:700;margin-bottom:10px;letter-spacing:.3px;font-family:-apple-system,"Segoe UI",sans-serif}
.method-card h3{font-size:19px;margin:14px 0 8px;line-height:1.3;color:var(--ink)}
.method-card .how{font-family:-apple-system,"Segoe UI",sans-serif;font-size:14px;color:var(--ink);margin-bottom:10px;line-height:1.55}
.method-card .how b{color:var(--blue);font-weight:700;margin-right:6px}
.method-card .blindspot{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);font-family:-apple-system,"Segoe UI",sans-serif;font-size:14px;color:var(--ink2);line-height:1.6}
.method-card .blindspot b{color:var(--red2);font-weight:800;display:block;margin-bottom:4px;font-size:13px;text-transform:uppercase;letter-spacing:.5px}

/* ===== 5-dimension framework (the "complete" alternative) ===== */
.framework{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:34px;margin-top:28px}
.framework h3{font-size:20px;margin-bottom:6px;color:var(--ink)}
.framework .desc{color:var(--muted);font-family:-apple-system,"Segoe UI",sans-serif;font-size:15px;margin-bottom:22px}
.framework-list{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.framework-item{background:var(--paper2);border:1px solid var(--line);border-radius:10px;padding:18px 16px;position:relative}
.framework-item .fw-num{font-family:"SF Mono","Cascadia Code",Consolas,monospace;font-size:11px;font-weight:800;color:var(--blue);letter-spacing:1px;margin-bottom:8px}
.framework-item b{display:block;font-size:15px;color:var(--ink);margin-bottom:6px;line-height:1.3}
.framework-item span{font-family:-apple-system,"Segoe UI",sans-serif;font-size:13px;color:var(--muted);line-height:1.5;display:block}

@media (max-width:880px){
  .framework-list{grid-template-columns:repeat(2,1fr)}
  .method-grid{grid-template-columns:1fr}
}
@media (max-width:480px){
  .framework-list{grid-template-columns:1fr}
}

/* ===== Article prev/next nav (after final-cta) ===== */
.article-nav{display:grid;grid-template-columns:1fr auto 1fr;gap:14px;align-items:stretch;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin:48px auto 0;max-width:1040px;box-shadow:var(--shadow)}
.article-nav a{display:flex;flex-direction:column;gap:4px;text-decoration:none;color:inherit;padding:10px 12px;border-radius:10px;transition:background .15s,transform .15s;min-width:0}
.article-nav a:hover{background:var(--paper2);transform:translateY(-1px)}
.article-nav .an-label{font-family:-apple-system,"Segoe UI",sans-serif;font-size:11px;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;color:var(--muted)}
.article-nav .an-title{font-family:Georgia,"Songti SC",serif;font-size:15px;color:var(--ink);line-height:1.35;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.article-nav .an-prev .an-label::before{content:"← "}
.article-nav .an-next{text-align:right}
.article-nav .an-next .an-label::after{content:" →"}
.article-nav .an-home{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:10px 18px;background:var(--paper2);border-radius:10px;text-decoration:none;color:var(--ink);transition:background .15s}
.article-nav .an-home:hover{background:var(--red);color:#fff}
.article-nav .an-home .an-label{font-family:-apple-system,"Segoe UI",sans-serif;font-size:11px;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;color:inherit}
.article-nav .an-home .an-title{font-size:13px;color:inherit}
@media (max-width:780px){
  .article-nav{grid-template-columns:1fr;gap:10px;padding:14px;margin-top:32px}
  .article-nav .an-next{text-align:left}
  .article-nav .an-next .an-label::after{content:""}
  .article-nav .an-next .an-label::before{content:"→ "}
  .article-nav a{padding:10px 12px}
}

/* ===== Responsive ===== */
@media (max-width:780px){
  .article-hero h1{font-size:28px}
  .trap-grid{grid-template-columns:1fr}
  .method-flow{grid-template-columns:repeat(2,1fr)}
  .article-section{padding:44px 0}
  .inline-cta{padding:24px}
  .method-grid{grid-template-columns:1fr}
}