:root{--brand: #DC2626;--brand-700: #B91C1C;--brand-500: #EF4444;--brand-400: #F87171;--brand-50: #FEF2F2;--brand-100: #FEE2E2;--dark: #030712;--dark-2: #111827;--dark-3: #1F2937;--dark-text: #D1D5DB;--dark-text-soft: #9CA3AF;--bg: #F9FAFB;--bg-card: #FFFFFF;--bg-soft: #F3F4F6;--border: #E5E7EB;--border-strong: #D1D5DB;--text: #111827;--text-soft: #4B5563;--text-muted: #6B7280;--accent: #059669;--accent-soft: #ECFDF5;--accent-border: #A7F3D0;--warn: #B45309;--warn-soft: #FFFBEB;--warn-border: #FDE68A;--radius: 16px;--radius-sm: 12px;--radius-xs: 8px;--shadow-sm: 0 1px 2px rgba(3, 7, 18, .06);--shadow: 0 4px 6px -1px rgba(3, 7, 18, .07), 0 2px 4px -2px rgba(3, 7, 18, .05);--shadow-lg: 0 10px 15px -3px rgba(3, 7, 18, .08), 0 4px 6px -4px rgba(3, 7, 18, .05);--maxw: 1280px;--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;--font-heading: "Plus Jakarta Sans", "Inter", -apple-system, "Segoe UI", Roboto, Arial, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 16px}@media(min-width:640px){.wrap{padding:0 24px}}@media(min-width:1024px){.wrap{padding:0 32px}}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4{font-family:var(--font-heading);line-height:1.25;font-weight:800;letter-spacing:-.02em;margin:0 0 .5em;color:var(--text)}h1{font-size:clamp(1.65rem,1.1rem + 2.2vw,2.35rem)}h2{font-size:clamp(1.28rem,1.05rem + 1vw,1.6rem);margin-top:2em}h3{font-size:1.1rem;font-weight:700;margin-top:1.5em}p{margin:0 0 1.05em}ul,ol{padding-left:1.25em;margin:0 0 1.1em}li{margin-bottom:.4em}strong{font-weight:700}small{font-size:.85rem}hr{border:0;border-top:1px solid var(--border);margin:2.2rem 0}code{background:var(--bg-soft);border:1px solid var(--border);border-radius:6px;padding:2px 7px;font-size:.92em;font-family:ui-monospace,Menlo,Consolas,monospace}.topbar{background:var(--dark);color:var(--dark-text);font-size:11px;padding:8px 0;border-bottom:1px solid var(--dark-3);user-select:none}.topbar-in{display:flex;align-items:center;justify-content:space-between;gap:10px}.topbar .chip{display:inline-flex;align-items:center;gap:6px;background:var(--dark-2);border:1px solid var(--dark-3);padding:4px 10px;border-radius:var(--radius-xs);font-weight:500;color:var(--dark-text)}.topbar .chip i{color:var(--brand-500)}.topbar-links{display:flex;align-items:center;gap:6px}.topbar-links a{color:var(--dark-text-soft);font-weight:600;padding:4px 9px;border-radius:var(--radius-xs);border:1px solid transparent}.topbar-links a:hover{color:#fff;background:var(--dark-2);border-color:var(--dark-3);text-decoration:none}.topbar-links .icon-btn{width:24px;height:24px;padding:0;display:inline-flex;align-items:center;justify-content:center;background:var(--dark-2);border:1px solid var(--dark-3);border-radius:var(--radius-xs)}@media(max-width:640px){.topbar-links a span{display:none}}.site-header{background:#fff;border-bottom:1px solid var(--border)}.header-in{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}.logo{display:flex;align-items:center;gap:10px}.logo:hover{text-decoration:none}.logo-mark{width:46px;height:46px;border-radius:var(--radius);background:linear-gradient(135deg,var(--brand),var(--brand-700));color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--font-heading);font-weight:800;font-size:1.4rem;box-shadow:var(--shadow);transition:transform .25s}.logo:hover .logo-mark{transform:scale(1.05)}.logo-text{font-family:var(--font-heading);font-size:1.65rem;font-weight:800;letter-spacing:-.03em;color:var(--text);line-height:1.1}.logo-text .b2{color:var(--brand)}.logo-text .suffix{font-size:.72rem;color:#9ca3af;font-weight:400}.logo-sub{display:block;font-size:10px;color:var(--text-muted);font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-top:-2px}@media(max-width:480px){.logo-text{font-size:1.35rem}.logo-mark{width:40px;height:40px;font-size:1.2rem}}.site-nav{background:var(--dark);color:#fff;position:sticky;top:0;z-index:40;box-shadow:var(--shadow)}.nav-in{display:flex;align-items:center;gap:4px;padding:6px 0;overflow-x:auto;scrollbar-width:none}.nav-in::-webkit-scrollbar{display:none}.nav-in a{display:inline-flex;align-items:center;gap:6px;flex-shrink:0;padding:8px 12px;font-size:12px;font-weight:700;color:#e5e7eb;border-radius:var(--radius-sm);white-space:nowrap}.nav-in a:hover{background:#1f2937cc;color:#fff;text-decoration:none}.nav-in a.active,.nav-in a.home{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm)}.nav-in a.active:hover,.nav-in a.home:hover{background:var(--brand-700)}.nav-in a i{font-size:11px;color:var(--brand-400)}.nav-in a.active i,.nav-in a.home i{color:#fff}.nav-in .spacer{flex:1 1 auto}.nav-in a.ext{color:var(--dark-text-soft);font-weight:600}main{min-height:60vh;padding:24px 0 48px}.breadcrumb{font-size:12.5px;color:var(--text-muted);margin-bottom:14px}.breadcrumb a{color:var(--text-muted);font-weight:500}.breadcrumb a:hover{color:var(--brand)}.breadcrumb span.sep{margin:0 7px;opacity:.5}.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:start}@media(max-width:1023px){.layout{grid-template-columns:1fr}.sidebar{order:2}}.sidebar{position:sticky;top:66px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm)}.grid{display:grid;gap:14px}.grid-3{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.grid-2{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.tool-card{display:block;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;color:var(--text);box-shadow:var(--shadow-sm);transition:border-color .18s,transform .18s,box-shadow .18s}.tool-card:hover{text-decoration:none;border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow-lg)}.tool-card .ic{width:38px;height:38px;border-radius:var(--radius-sm);background:var(--brand-50);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:1.05rem;margin-bottom:10px}.tool-card h3{margin:0 0 5px;font-size:1rem;font-weight:700}.tool-card p{margin:0;font-size:.85rem;color:var(--text-muted);line-height:1.55}.hero{background:var(--dark);color:#fff;border-radius:var(--radius);padding:40px 24px 34px;text-align:center;margin-bottom:34px;background-image:radial-gradient(60% 120% at 50% 0%,rgba(220,38,38,.22),transparent 70%)}.hero h1{color:#fff;margin-bottom:.3em}.hero .lead{font-size:1.02rem;color:var(--dark-text);max-width:660px;margin:0 auto 22px}.hero-search{max-width:560px;margin:0 auto;position:relative}.hero-search input{width:100%;padding:14px 18px;font-size:1rem;font-family:var(--font);border:1px solid var(--dark-3);border-radius:var(--radius-sm);background:var(--dark-2);color:#fff}.hero-search input::placeholder{color:#6b7280}.hero-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px #dc262640}#searchResults{position:absolute;z-index:30;left:0;right:0;top:calc(100% + 6px);background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);overflow:hidden;text-align:left}#searchResults a{display:block;padding:11px 16px;color:var(--text);font-size:.92rem;border-bottom:1px solid var(--border);font-weight:500}#searchResults a:last-child{border-bottom:0}#searchResults a:hover{background:var(--brand-50);color:var(--brand);text-decoration:none}.stats{display:flex;gap:26px;justify-content:center;flex-wrap:wrap;margin-top:24px}.stats div{text-align:center}.stats b{display:block;font-family:var(--font-heading);font-size:1.5rem;font-weight:800;color:var(--brand-500)}.stats span{font-size:11px;color:var(--dark-text-soft);text-transform:uppercase;letter-spacing:.06em;font-weight:600}.section-title{display:flex;align-items:center;gap:9px;margin:40px 0 16px;font-family:var(--font-heading);font-size:1.35rem;font-weight:800;letter-spacing:-.02em}.section-title i{color:var(--brand);font-size:1.05rem}.section-title:after{content:"";flex:1;height:1px;background:var(--border);margin-left:4px}.calc{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}.calc-title{font-family:var(--font-heading);font-size:1.05rem;font-weight:800;margin:0 0 18px;display:flex;align-items:center;gap:9px;padding-bottom:14px;border-bottom:1px solid var(--border)}.calc-title i{color:var(--brand)}.field{margin-bottom:15px}.field label{display:block;font-size:13px;font-weight:700;color:var(--text-soft);margin-bottom:6px}.field .hint{font-weight:400;color:var(--text-muted);font-size:12px}input[type=number],input[type=text],input[type=date],input[type=search],select,textarea{width:100%;padding:11px 13px;font-size:15px;font-family:var(--font);border:1px solid 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.lbl{font-size:11px;color:var(--dark-text-soft);font-weight:700;text-transform:uppercase;letter-spacing:.07em}.result-main .val{font-family:var(--font-heading);font-size:clamp(1.6rem,1.2rem + 1.6vw,2.1rem);font-weight:800;color:#fff;letter-spacing:-.02em}.result-main .sub{font-size:13px;color:var(--dark-text)}.kv{list-style:none;padding:0;margin:0}.kv li{display:flex;justify-content:space-between;gap:14px;align-items:baseline;padding:10px 0;border-bottom:1px solid var(--border);margin:0;font-size:14px}.kv li:last-child{border-bottom:0}.kv .k{color:var(--text-soft)}.kv .v{font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap}.kv li.total{border-top:2px solid var(--text);margin-top:4px;padding-top:12px}.kv li.total .v{color:var(--brand);font-size:1.05rem}.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 11px;border-radius:999px;font-size:11px;font-weight:800;background:var(--brand-50);color:var(--brand);text-transform:uppercase;letter-spacing:.04em}.badge.ok{background:var(--accent-soft);color:var(--accent)}.badge.dark{background:var(--dark);color:#fff}.table-wrap{overflow-x:auto;margin:16px 0;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff}table{width:100%;border-collapse:collapse;font-size:13.5px}th,td{padding:10px 13px;text-align:right;border-bottom:1px solid var(--border);white-space:nowrap}th{background:var(--bg-soft);font-weight:700;font-size:12px;color:var(--text-soft);text-align:right;text-transform:uppercase;letter-spacing:.03em}th:first-child,td:first-child{text-align:left}tbody tr:last-child td{border-bottom:0}tbody tr:hover{background:var(--bg)}td{font-variant-numeric:tabular-nums}.note{background:var(--brand-50);border-left:3px solid var(--brand);padding:13px 16px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-size:14px;color:var(--text-soft);margin:18px 0}.note.warn{border-left-color:var(--warn);background:var(--warn-soft)}.note.ok{border-left-color:var(--accent);background:var(--accent-soft)}.note p:last-child{margin-bottom:0}.article h2,.article h3{scroll-margin-top:70px}.toc{background:#fff;border:1px solid var(--border);border-left:3px solid var(--brand);border-radius:var(--radius-sm);padding:16px 20px;margin:24px 0}.toc strong{display:flex;align-items:center;gap:7px;margin-bottom:8px;font-size:14px;font-family:var(--font-heading)}.toc strong i{color:var(--brand)}.toc ol{margin:0;padding-left:1.2em;font-size:14px}.toc li{margin-bottom:.3em}details.faq{border:1px solid var(--border);border-radius:var(--radius-sm);padding:0 16px;margin-bottom:9px;background:#fff}details.faq[open]{border-color:var(--brand-400)}details.faq summary{cursor:pointer;padding:14px 0;font-weight:700;font-size:15px;list-style:none;display:flex;justify-content:space-between;gap:12px;align-items:center;font-family:var(--font-heading)}details.faq summary::-webkit-details-marker{display:none}details.faq summary:after{content:"+";font-size:1.3rem;color:var(--brand);font-weight:400}details.faq[open] summary:after{content:"−"}details.faq .faq-body{padding:0 0 14px;font-size:14.5px;color:var(--text-soft)}details.faq .faq-body p:last-child{margin-bottom:0}.ad-slot{margin:24px 0;text-align:center}.ad-slot .ad-label{font-size:10px;color:var(--text-muted);letter-spacing:.1em;text-transform:uppercase;margin-bottom:4px;font-weight:700}.ad-leaderboard{height:90px;width:728px;max-width:100%;background:var(--bg);border:1px dashed var(--border-strong);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#9ca3af;letter-spacing:.1em;text-transform:uppercase}@media(max-width:900px){.header-ad{display:none}}.site-footer{background:var(--dark);color:var(--dark-text-soft);font-size:14px;margin-top:48px;border-top:1px solid var(--dark-3);padding:44px 0 24px}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:36px}@media(max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}@media(max-width:560px){.footer-grid{grid-template-columns:1fr}}.site-footer h4{font-family:var(--font-heading);font-size:12px;text-transform:uppercase;letter-spacing:.09em;color:#fff;margin-bottom:14px;font-weight:800}.site-footer ul{list-style:none;padding:0;margin:0}.site-footer li{margin-bottom:8px}.site-footer a{color:var(--dark-text-soft);font-size:13px}.site-footer a:hover{color:#fff;text-decoration:none}.site-footer .logo-text{color:#fff;font-size:1.4rem}.site-footer .logo-text .b2{color:var(--brand-500)}.site-footer .logo-text .suffix{color:#6b7280}.footer-desc{color:var(--dark-text-soft);font-size:12.5px;line-height:1.7;margin:14px 0}.footer-social{display:flex;gap:8px}.footer-social a{width:32px;height:32px;border-radius:var(--radius-sm);background:var(--dark-2);border:1px solid var(--dark-3);color:var(--dark-text);display:flex;align-items:center;justify-content:center;font-size:12px}.footer-social a:hover{background:#000;color:#fff}.footer-bottom{margin-top:32px;padding-top:18px;border-top:1px solid var(--dark-3);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:#6b7280;font-size:12px}#consent{position:fixed;right:16px;bottom:16px;left:16px;z-index:100;max-width:420px;margin-left:auto;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;box-shadow:0 20px 40px -12px #0307124d;font-size:13.5px}#consent[hidden]{display:none}#consent h4{font-family:var(--font-heading);font-size:15px;margin:0 0 6px;display:flex;align-items:center;gap:7px}#consent h4 i{color:var(--brand)}#consent p{margin:0 0 13px;color:var(--text-soft);font-size:13px}#consent .consent-btns{display:flex;gap:9px}#consent button{flex:1 1 auto;padding:9px 14px;font-size:13px;font-weight:700;font-family:var(--font);border-radius:var(--radius-sm);cursor:pointer;border:1px solid var(--border-strong);background:#fff;color:var(--text-soft)}#consent button.primary{background:var(--brand);color:#fff;border-color:var(--brand)}#consent button.primary:hover{background:var(--brand-700)}.dropzone{border:2px dashed var(--border-strong);border-radius:var(--radius);background:var(--bg);padding:34px 20px;text-align:center;cursor:pointer;transition:.18s;margin-bottom:16px}.dropzone:hover,.dropzone.drag{border-color:var(--brand);background:var(--brand-50)}.dropzone i{font-size:2rem;color:var(--brand);margin-bottom:10px;display:block}.dropzone .dz-title{font-family:var(--font-heading);font-weight:800;font-size:1.02rem;margin-bottom:4px}.dropzone .dz-sub{font-size:13px;color:var(--text-muted)}.file-list{list-style:none;padding:0;margin:0 0 16px}.file-item{display:flex;align-items:center;gap:12px;padding:11px 13px;margin-bottom:8px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13.5px}.file-item .thumb{width:44px;height:44px;border-radius:var(--radius-xs);object-fit:cover;background:var(--bg-soft);flex-shrink:0;border:1px solid var(--border)}.file-item .meta{flex:1;min-width:0}.file-item .fname{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-item .fsize{color:var(--text-muted);font-size:12px}.file-item .fsize .down{color:var(--accent);font-weight:700}.file-item .fsize .up{color:var(--warn);font-weight:700}.file-item .act{display:flex;gap:6px;flex-shrink:0}.file-item .act button,.file-item .act a{padding:7px 11px;font-size:12px;font-weight:700;border-radius:var(--radius-xs);border:1px solid var(--border-strong);background:#fff;color:var(--text-soft);cursor:pointer;font-family:var(--font);display:inline-flex;align-items:center;gap:5px}.file-item .act a.dl{background:var(--brand);border-color:var(--brand);color:#fff}.file-item .act a.dl:hover{background:var(--brand-700);text-decoration:none}.format-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px;margin:14px 0}.format-grid a{display:block;padding:11px 13px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;font-weight:700;color:var(--text);text-align:center}.format-grid a:hover{border-color:var(--brand);color:var(--brand);text-decoration:none}.progress{height:6px;background:var(--bg-soft);border-radius:999px;overflow:hidden;margin:12px 0}.progress span{display:block;height:100%;background:var(--brand);width:0;transition:width .25s}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;z-index:200;border-radius:0 0 var(--radius-xs) 0}.skip-link:focus{left:0}@media print{.topbar,.site-header,.site-nav,.site-footer,.ad-slot,#consent,.btn-row{display:none!important}}