*{box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#f8fafc;color:#0f172a;line-height:1.7;overflow-x:hidden}a{color:var(--primary);text-decoration:none}a:hover{color:#1d4ed8}.container{max-width:1180px}.btn-primary{--bs-btn-bg:var(--primary);--bs-btn-border-color:var(--primary);--bs-btn-hover-bg:#1d4ed8;--bs-btn-hover-border-color:#1d4ed8;border-radius:999px;font-weight:700}.form-control,.form-select{border-radius:14px;border-color:#dbe3ef;padding:.78rem 1rem}.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 .2rem rgba(37,99,235,.12)}.site-header{z-index:1030}.navbar{min-height:72px}.navbar-brand{letter-spacing:-.02em}.site-logo{object-fit:contain;border-radius:12px}.brand-icon{width:40px;height:40px;border-radius:14px;display:inline-grid;place-items:center;background:var(--primary);color:#fff}.nav-link{font-weight:650;color:#334155!important;border-radius:999px;padding:.55rem .85rem!important}.nav-link.active,.nav-link:hover{color:var(--primary)!important;background:#eff6ff}.nav-icon-btn{width:40px;height:40px;display:inline-grid;place-items:center;color:#0f172a}.search-wide{display:flex;align-items:center;gap:.75rem;background:#f8fafc;border:1px solid #e2e8f0;border-radius:18px;padding:.55rem}.search-wide i{color:#64748b;margin-left:.6rem}.search-wide .form-control{border:0;background:transparent;box-shadow:none}.breaking-bar{background:#0f172a;color:#fff;font-size:.92rem;padding:.55rem 0}.toast-flash{position:fixed;right:1rem;top:1rem;z-index:2000;max-width:360px;border-radius:16px}.hero-section{padding:54px 0 34px;background:radial-gradient(circle at top left,#dbeafe,transparent 32%),linear-gradient(180deg,#fff,#f8fafc)}.hero-title{font-size:clamp(2.1rem,5vw,4rem);letter-spacing:-.055em;line-height:1.02}.hero-lead{font-size:1.12rem;color:#475569;max-width:720px}.featured-card{background:#fff;border:1px solid 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img{transform:scale(1.035)}.post-card-body{padding:1.25rem}.post-card-title{font-size:1.18rem;line-height:1.35;letter-spacing:-.025em;margin:.7rem 0}.post-card-title a{color:#0f172a}.post-card-title a:hover{color:var(--primary)}.post-card-excerpt{color:#64748b;margin-bottom:1rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.post-card-meta{display:flex;flex-wrap:wrap;gap:.55rem 1rem;color:#64748b;font-size:.86rem}.section-title{letter-spacing:-.035em}.sidebar-box{background:#fff;border:1px solid #e5edf8;border-radius:24px;padding:1.25rem;box-shadow:0 12px 34px rgba(15,23,42,.055)}.sidebar-title{font-size:1rem;font-weight:850;margin-bottom:1rem;letter-spacing:-.02em}.sidebar-search{display:flex;gap:.5rem}.mini-post{display:grid;grid-template-columns:82px 1fr;gap:.85rem;align-items:center;padding:.7rem 0;border-bottom:1px solid #eef2f7}.mini-post:last-child{border-bottom:0;padding-bottom:0}.mini-thumb 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span{display:block;font-weight:800;color:#64748b}.breadcrumb-wrap{margin-bottom:1.25rem}.breadcrumb{--bs-breadcrumb-divider:'›';font-size:.92rem}.content-shell{background:#fff;border:1px solid #e5edf8;border-radius:28px;padding:clamp(1.25rem,4vw,2.5rem);box-shadow:0 14px 42px rgba(15,23,42,.055)}.post-detail-title{font-size:clamp(2rem,4vw,3.4rem);line-height:1.08;letter-spacing:-.055em}.post-meta{display:flex;flex-wrap:wrap;gap:.65rem 1.1rem;color:#64748b;font-size:.95rem}.post-hero-img{width:100%;border-radius:24px;object-fit:cover;aspect-ratio:16/9;background:#e2e8f0}.toc-box{background:#f8fafc;border:1px solid #e5edf8;border-radius:20px;padding:1rem 1.2rem;margin:1.5rem 0}.toc-box ol{margin-bottom:0}.toc-box a{color:#334155}.toc-box .toc-level-3{margin-left:1.1rem;font-size:.94rem}.content-body{font-size:1.075rem;color:#1e293b}.content-body h2,.content-body h3,.content-body h4{letter-spacing:-.035em;margin-top:2rem;margin-bottom:1rem;font-weight:850;color:#0f172a;scroll-margin-top:92px}.content-body p{margin-bottom:1.2rem}.content-body img{max-width:100%;height:auto;border-radius:18px}.content-body blockquote{border-left:4px solid var(--primary);padding:1rem 1.25rem;background:#f8fafc;border-radius:0 18px 18px 0;color:#475569}.content-body table{width:100%;border-collapse:collapse;margin:1.25rem 0;display:block;overflow-x:auto}.content-body th,.content-body td{border:1px solid #e2e8f0;padding:.75rem}.share-buttons{display:flex;flex-wrap:wrap;gap:.5rem}.share-buttons a,.share-buttons button{border:1px solid #dbe3ef;background:#fff;color:#334155;border-radius:999px;padding:.5rem .82rem;font-weight:700}.share-buttons a:hover,.share-buttons button:hover{border-color:var(--primary);color:var(--primary)}.author-box{display:flex;gap:1rem;background:#f8fafc;border:1px solid #e5edf8;border-radius:22px;padding:1.25rem}.author-avatar{width:72px;height:72px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:850;font-size:1.5rem;flex:0 0 auto}.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.prev-next a{display:block;background:#fff;border:1px solid #e5edf8;border-radius:20px;padding:1rem;color:#0f172a}.comment-box{background:#fff;border:1px solid #e5edf8;border-radius:22px;padding:1rem 1.1rem}.comment-form{background:#fff;border:1px solid #e5edf8;border-radius:24px;padding:1.25rem;box-shadow:0 14px 36px rgba(15,23,42,.05)}.page-hero{padding:44px 0;background:#fff;border-bottom:1px solid #e5edf8}.page-title{letter-spacing:-.05em}.search-highlight mark{background:#fef3c7;color:#92400e;border-radius:6px;padding:0 .18rem}.contact-card{background:#fff;border:1px solid #e5edf8;border-radius:24px;padding:1.35rem;box-shadow:0 14px 36px rgba(15,23,42,.05)}.site-footer{background:#0f172a;color:#cbd5e1}.site-footer a{display:block;color:#cbd5e1;margin:.38rem 0}.site-footer a:hover{color:#fff}.footer-title{font-size:1rem;font-weight:850;color:#fff;margin-bottom:1rem}.social-links{display:flex;gap:.55rem}.social-links a{width:38px;height:38px;border-radius:50%;background:#1e293b;display:grid;place-items:center;color:#fff}.footer-bottom{border-top:1px solid #334155;margin-top:2rem;padding-top:1rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.9rem}.back-to-top{position:fixed;right:1rem;bottom:1rem;width:44px;height:44px;border:0;border-radius:50%;background:var(--primary);color:#fff;box-shadow:0 12px 28px rgba(15,23,42,.25);display:none;z-index:1040}.back-to-top.show{display:grid;place-items:center}.cookie-notice{position:fixed;left:50%;bottom:1rem;transform:translateX(-50%);background:#fff;border:1px solid #e5edf8;border-radius:999px;padding:.65rem .85rem;box-shadow:0 18px 50px rgba(15,23,42,.15);z-index:1050;display:flex;gap:.75rem;align-items:center;max-width:min(94vw,720px)}body.dark-mode{background:#0b1220;color:#e2e8f0}body.dark-mode .bg-white,body.dark-mode .site-header .navbar,body.dark-mode #navSearch,body.dark-mode .post-card,body.dark-mode .sidebar-box,body.dark-mode .content-shell,body.dark-mode .contact-card,body.dark-mode .comment-form,body.dark-mode .comment-box,body.dark-mode .prev-next a,body.dark-mode .cookie-notice{background:#111827!important;color:#e2e8f0;border-color:#1f2937}body.dark-mode .post-card-title a,body.dark-mode .mini-title,body.dark-mode .content-body,body.dark-mode .content-body h2,body.dark-mode .content-body h3,body.dark-mode .content-body h4,body.dark-mode .prev-next a{color:#e2e8f0}body.dark-mode .text-muted,body.dark-mode .post-card-excerpt,body.dark-mode .mini-meta,body.dark-mode .post-meta{color:#94a3b8!important}body.dark-mode .form-control{background:#0f172a;border-color:#334155;color:#e2e8f0}@media (max-width:991.98px){.navbar-nav{padding-top:1rem}.blog-sidebar{margin-top:2rem}.featured-body{padding:1.35rem}.prev-next{grid-template-columns:1fr}}@media (max-width:575.98px){.hero-section{padding:36px 0 20px}.post-card-body{padding:1rem}.content-shell{border-radius:20px}.post-meta{font-size:.87rem}.author-box{display:block}.author-avatar{margin-bottom:1rem}.cookie-notice{border-radius:18px;align-items:flex-start;flex-direction:column}.footer-bottom{display:block}.search-wide{display:block}.search-wide i{display:none}.search-wide .btn{width:100%;margin-top:.6rem}}

/* Comment captcha patch */
.captcha-box{background:#f8fafc;border:1px solid rgba(15,23,42,.08);border-radius:16px;padding:14px}.captcha-box .input-group-text{font-weight:700;background:#fff}.dark-mode .captcha-box{background:#111827;border-color:rgba(255,255,255,.12)}.dark-mode .captcha-box .input-group-text{background:#0b1220;color:#e5e7eb;border-color:rgba(255,255,255,.12)}