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.15s ease}.lang-toggle:hover{border-color:var(--primary);color:var(--primary)}.blog-disclaimer{max-width:760px;margin:0 auto 64px;padding:18px 22px;border:1px solid var(--hairline);border-radius:14px;background:var(--surface-soft);color:var(--muted);font-size:.84rem;line-height:1.65;display:flex;gap:12px}.blog-disclaimer i{color:var(--muted);font-size:1.15rem;flex-shrink:0;margin-top:1px}.blog-disclaimer p{margin:0}.blog-disclaimer strong{color:var(--body)}@media(max-width:768px){.blog-disclaimer{margin:0 16px 48px}}.blog-hero{text-align:center;padding:140px 0 48px}.blog-hero h1{font-size:clamp(2.2rem,5vw,3.4rem);font-weight:700;color:var(--ink);letter-spacing:-.02em;margin:20px 0 14px}.blog-hero p{color:var(--body);font-size:1.15rem;max-width:620px;margin:0 auto}.blog-search-wrap{max-width:580px;margin:28px auto 0;position:relative}.blog-search-input{width:100%;padding:14px 20px 14px 48px;border-radius:999px;border:1px solid var(--hairline);background:var(--surface-soft);color:var(--ink);font-size:.98rem;outline:none;transition:all .2s ease;box-shadow:0 4px 16px #00000008}.blog-search-input:focus{border-color:var(--primary);background:var(--canvas);box-shadow:0 6px 24px color-mix(in srgb,var(--primary) 20%,transparent)}.blog-search-icon{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:1.25rem;pointer-events:none}.blog-search-clear{position:absolute;right:16px;top:50%;transform:translateY(-50%);background:transparent;border:none;color:var(--muted);font-size:1.1rem;cursor:pointer;display:none}.blog-filters{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:32px 0 8px}.blog-filter{font-size:.9rem;font-weight:600;color:var(--body);background:var(--surface-soft);border:1px solid var(--hairline);padding:8px 18px;border-radius:999px;cursor:pointer;transition:all .2s ease}.blog-filter:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}.blog-filter.active{background:var(--primary);border-color:var(--primary);color:var(--on-primary);box-shadow:0 4px 14px color-mix(in srgb,var(--primary) 30%,transparent)}@media(min-width:900px){.post-card.featured{grid-column:1 / -1;display:grid;grid-template-columns:1.1fr 1fr;border-radius:28px}.post-card.featured .post-card-thumb{aspect-ratio:auto;height:100%;min-height:280px}.post-card.featured .post-card-body{padding:36px 40px;display:flex;flex-direction:column;justify-content:center}.post-card.featured h3{font-size:1.65rem;margin:12px 0 16px;line-height:1.35}}.blog-empty-state{display:none;text-align:center;padding:60px 20px;color:var(--body)}.blog-empty-state i{font-size:3rem;color:var(--muted);margin-bottom:12px}.blog-cta-banner{background:linear-gradient(135deg,var(--surface-dark-elevated),var(--surface-dark));color:var(--on-dark);border-radius:28px;padding:40px 32px;margin:40px 0 80px;display:flex;align-items:center;justify-content:space-between;gap:24px;box-shadow:0 20px 40px -15px #0003}.blog-cta-content h3{font-size:1.5rem;font-weight:700;margin-bottom:8px;color:var(--on-dark)}.blog-cta-content p{color:var(--on-dark-soft);font-size:1.02rem;max-width:520px}@media(max-width:768px){.blog-cta-banner{flex-direction:column;text-align:center;padding:32px 24px}}.post-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:28px;padding:40px 0 96px}.post-card{display:flex;flex-direction:column;background:var(--canvas);border:1px solid var(--hairline);border-radius:24px;overflow:hidden;text-decoration:none;transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease}.post-card:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--primary) 35%,var(--hairline));box-shadow:0 18px 40px -20px color-mix(in srgb,var(--primary) 45%,transparent)}.post-card-thumb{aspect-ratio:16 / 9;background:radial-gradient(120% 120% at 100% 0%,color-mix(in srgb,var(--primary) 22%,transparent),transparent 60%),var(--surface-soft);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:2.6rem}.post-card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}.post-card-body h3{font-size:1.25rem;font-weight:700;color:var(--ink);line-height:1.3;letter-spacing:-.01em}.post-card-body p{color:var(--body);font-size:.95rem;line-height:1.6;flex:1}.post-card-meta{display:flex;align-items:center;gap:12px;font-size:.82rem;color:var(--muted);margin-top:4px}.post-card-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--muted-soft)}.article-shell{max-width:760px;margin:0 auto;padding:130px 24px 40px}.article-header{margin-bottom:36px}.article-header h1{font-size:clamp(2rem,4.5vw,3rem);font-weight:700;color:var(--ink);letter-spacing:-.02em;line-height:1.15;margin:18px 0}.article-lead{font-size:1.2rem;line-height:1.6;color:var(--body)}.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:24px;padding-top:20px;border-top:1px solid var(--hairline);font-size:.9rem;color:var(--muted)}.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px}.article-meta i{font-size:1rem}.article-body{font-size:1.08rem;line-height:1.8;color:var(--body)}.article-body>*+*{margin-top:22px}.article-body h2{font-size:1.7rem;font-weight:700;color:var(--ink);letter-spacing:-.01em;line-height:1.25;margin-top:52px;scroll-margin-top:100px}.article-body h3{font-size:1.3rem;font-weight:700;color:var(--ink);margin-top:36px;scroll-margin-top:100px}.article-body p{color:var(--body)}.article-body strong{color:var(--body-strong);font-weight:600}.article-body a:not(.btn){color:var(--primary);text-decoration:underline;text-underline-offset:2px}.article-body ul,.article-body ol{margin-left:22px;display:flex;flex-direction:column;gap:10px}.article-body li{color:var(--body)}.article-body blockquote{border-left:3px solid var(--primary);padding:4px 0 4px 20px;color:var(--body-strong);font-style:italic}.article-body code{font-family:JetBrains Mono,monospace;font-size:.9em;background:var(--surface-soft);border:1px solid var(--hairline);padding:2px 6px;border-radius:6px}.article-body img{max-width:100%;height:auto;border-radius:16px;border:1px solid var(--hairline)}.table-scroll{overflow-x:auto;border:1px solid var(--hairline);border-radius:16px}.article-body table{width:100%;border-collapse:collapse;font-size:.96rem}.article-body th,.article-body td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--hairline)}.article-body thead th{background:var(--surface-soft);color:var(--ink);font-weight:600;white-space:nowrap}.article-body tbody tr:last-child td{border-bottom:none}.callout{background:var(--surface-soft);border:1px solid var(--hairline);border-radius:16px;padding:20px 22px;display:flex;gap:14px}.callout i{color:var(--primary);font-size:1.4rem;flex-shrink:0;margin-top:2px}.callout p{margin:0}.callout p+p{margin-top:8px}.article-cta{margin:56px 0 24px;background:var(--surface-dark);border-radius:24px;padding:40px 32px;text-align:center;color:var(--on-dark)}.article-cta h3{font-size:1.6rem;font-weight:700;color:var(--on-dark);margin-bottom:10px}.article-cta p{color:var(--on-dark-soft);max-width:460px;margin:0 auto 24px}.related{border-top:1px solid var(--hairline);margin-top:56px;padding-top:40px}.related h2{font-size:1.4rem;font-weight:700;color:var(--ink);margin-bottom:24px}.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}.related-card{border:1px solid var(--hairline);border-radius:18px;padding:20px;text-decoration:none;transition:border-color .2s ease,transform .2s ease}.related-card:hover{border-color:var(--primary);transform:translateY(-2px)}.related-card span{font-size:.78rem;font-weight:600;color:var(--primary);text-transform:uppercase;letter-spacing:.02em}.related-card h4{font-size:1.02rem;font-weight:600;color:var(--ink);margin-top:8px;line-height:1.4}.tool-card{background:var(--canvas);border:1px solid var(--hairline);border-radius:24px;padding:32px;box-shadow:0 20px 50px -30px #0000004d}.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}.field{margin-bottom:18px}.field label{display:block;font-size:.9rem;font-weight:600;color:var(--ink);margin-bottom:8px}.field input,.field select{width:100%;height:48px;padding:0 14px;font-family:Inter,sans-serif;font-size:1rem;color:var(--ink);background:var(--canvas);border:1px solid var(--hairline);border-radius:12px;box-sizing:border-box;transition:border-color .15s ease,box-shadow .15s ease}.field input:focus,.field select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 18%,transparent)}.seg{display:inline-flex;background:var(--surface-soft);border:1px solid var(--hairline);border-radius:12px;padding:4px;gap:4px}.seg button{border:none;background:transparent;font-family:Inter,sans-serif;font-size:.9rem;font-weight:600;color:var(--body);padding:8px 16px;border-radius:8px;cursor:pointer;transition:all .15s ease}.seg button.active{background:var(--canvas);color:var(--primary);box-shadow:0 1px 3px #0000001f}.result-panel{background:var(--surface-soft);border-radius:18px;padding:28px}.result-row{display:flex;justify-content:space-between;align-items:baseline;padding:12px 0;border-bottom:1px dashed var(--hairline)}.result-row:last-child{border-bottom:none}.result-row .label{color:var(--body);font-size:.95rem}.result-row .val{color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums}.result-total{margin-top:12px;padding:18px 20px;background:var(--primary);color:var(--on-primary);border-radius:14px;display:flex;justify-content:space-between;align-items:baseline}.result-total .label{font-size:1rem;font-weight:600}.result-total .val{font-size:1.6rem;font-weight:700;font-variant-numeric:tabular-nums}@media(max-width:768px){.blog-hero{padding:120px 0 32px}.article-shell{padding-top:110px}.article-body{font-size:1.02rem}.article-body h2{font-size:1.45rem;margin-top:40px}.tool-grid{grid-template-columns:1fr}.blog-wrap{padding:0 16px}.article-cta{padding:32px 22px}}