.kh-page{background:radial-gradient(circle at top left,rgba(37,99,235,.05) 0%,transparent 30%),linear-gradient(180deg,#fff 0%,#f8fafc 100%)}
.kh-hero{padding-top:48px;padding-bottom:30px}.kh-breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;font-size:.92rem;color:#64748b}.kh-breadcrumbs a{color:#2563eb;font-weight:700}
.kh-hero-grid,.kh-reading-grid,.kh-index-featured-grid,.kh-home-grid{display:grid;gap:24px}.kh-hero-main h1{margin:10px 0 14px;font-size:2.2rem;line-height:1.1;letter-spacing:-.03em;color:#0f172a}
.kh-hero-summary{margin:0 0 16px;max-width:760px;color:#475569;font-size:1.04rem;line-height:1.7}.kh-hero-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;color:#64748b;font-size:.92rem;font-weight:700}
.kh-badge,.kh-topic-pill{display:inline-flex;align-items:center;justify-content:center;min-height:30px;padding:0 12px;border-radius:999px;background:#eff6ff;color:#1d4ed8;font-size:.8rem;font-weight:800;letter-spacing:.02em}
.kh-quick-card,.kh-sidebar-card,.kh-featured-card,.kh-article-card,.kh-topic-card,.kh-soft-cta-card{border-radius:24px;background:#fff;border:1px solid #e5e7eb;box-shadow:0 14px 30px rgba(15,23,42,.05)}
.kh-quick-card{padding:22px}.kh-quick-card h2,.kh-sidebar-card h2,.kh-featured-content h2,.kh-home-heading,.kh-topic-card h3,.kh-soft-cta-card h2{margin-top:0;color:#0f172a}
.kh-quick-card ul,.kh-featured-points,.kh-topic-list,.kh-article-list,.kh-contents-list{margin:0;padding-left:20px}.kh-quick-card li+.kh-quick-card li,.kh-featured-points li+.kh-featured-points li,.kh-topic-list li+.kh-topic-list li,.kh-article-list li+.kh-article-list li,.kh-contents-list li+.kh-contents-list li{margin-top:10px}
.kh-toolbar{padding-top:0;padding-bottom:22px}.kh-toolbar-shell{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;align-items:center;border:1px solid #e5e7eb;background:rgba(255,255,255,.94);box-shadow:0 10px 24px rgba(15,23,42,.04);border-radius:20px;padding:14px 16px}
.kh-lang-switch{display:inline-flex;align-items:center;gap:8px;background:#f3f6fa;border:1px solid #e5e7eb;border-radius:999px;padding:4px}.kh-lang-switch a{padding:8px 14px;border-radius:999px;font-size:.86rem;font-weight:800;color:#4b5563}.kh-lang-switch a.active{background:#2563eb;color:#fff;box-shadow:0 4px 10px rgba(37,99,235,.25)}
.kh-share-tools{display:flex;flex-wrap:wrap;gap:10px}.kh-share-btn{min-height:40px;padding:0 14px;border-radius:999px;background:#fff;color:#2563eb;border:1px solid #bfdbfe;font-weight:800;cursor:pointer}
.kh-reading-shell{padding-top:0}.kh-sidebar-card{padding:20px;position:sticky;top:116px}.kh-contents-list{list-style:none;padding-left:0}.kh-contents-list a{display:inline-block;padding:6px 0;color:#374151;font-weight:700}
.kh-article{background:#fff;border-radius:28px;border:1px solid #e5e7eb;box-shadow:0 16px 34px rgba(15,23,42,.05);padding:26px 22px}.kh-article-section+.kh-article-section{margin-top:34px;padding-top:30px;border-top:1px solid #edf2f7}.kh-article-section h2{margin:0 0 14px;color:#0f172a;font-size:1.34rem}
.kh-article p,.kh-article li,.kh-index-intro,.kh-home-summary,.kh-featured-summary,.kh-article-card p,.kh-topic-card p,.kh-soft-cta-card p{color:#475569;line-height:1.8}
.kh-table-wrap{overflow-x:auto;margin-top:14px}.kh-table{width:100%;border-collapse:collapse;min-width:480px}.kh-table th,.kh-table td{border:1px solid #e5e7eb;padding:12px 14px;text-align:left}.kh-table th{background:#f8fafc;color:#0f172a;font-weight:800}
.kh-related{padding-top:34px}.kh-related-grid,.kh-articles-grid,.kh-topics-grid{display:grid;gap:18px}.kh-related-card,.kh-article-card,.kh-topic-card{border-radius:22px}.kh-index-featured{padding-top:12px}.kh-featured-card{overflow:hidden}.kh-featured-content{padding:24px}.kh-featured-content h2{margin-bottom:10px;font-size:1.7rem;line-height:1.2}.kh-featured-summary{margin:0 0 16px;max-width:760px}
.kh-featured-actions,.kh-soft-cta-actions,.kh-home-actions{display:flex;gap:12px;flex-wrap:wrap}.kh-index-card-shell{height:100%;display:flex;flex-direction:column;gap:14px}.kh-index-card-shell .btn{margin-top:auto}.kh-topic-card{padding:22px}.kh-topic-card h3{margin-bottom:8px}.kh-soft-cta-card{padding:26px}
.kh-home-section{padding:30px 0 18px}.kh-home-heading{margin-bottom:10px;font-size:1.8rem}.kh-home-intro{max-width:760px;margin:0 auto 26px;color:#475569;text-align:center;line-height:1.7}.kh-home-card{height:100%;border-radius:24px}.kh-home-card-body{display:flex;flex-direction:column;gap:14px;height:100%}.kh-home-card-body .btn{margin-top:auto}
@media (min-width:768px){.kh-hero-grid,.kh-index-featured-grid,.kh-home-grid{grid-template-columns:1.35fr .85fr;align-items:start}.kh-reading-grid{grid-template-columns:280px minmax(0,1fr)}.kh-related-grid,.kh-articles-grid,.kh-topics-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.kh-articles-grid,.kh-topics-grid{grid-template-columns:repeat(3,1fr)}.kh-hero{padding-top:56px;padding-bottom:34px}.kh-article{padding:34px 32px}}
@media (max-width:767px){.kh-hero-main h1{font-size:1.9rem}.kh-sidebar-card{position:static}.kh-toolbar-shell{padding:12px}.kh-share-tools{width:100%}.kh-share-btn{flex:1 1 auto;justify-content:center}}