:root{--accent: #6650e8;--accent-hover: #5239d9;--accent-weak: #f1eefc;--accent-contrast: #ffffff;--bg: #ffffff;--bg-soft: #f7f7f9;--surface: #ffffff;--surface-2: #f4f4f6;--text: #18181b;--text-muted: #52525b;--text-faint: #71717a;--border: #e7e7ea;--border-strong: #d6d6db;--success: #15803d;--success-weak: #ecfdf3;--danger: #dc2626;--danger-weak: #fef2f2;--warning: #b45309;--radius-sm: 8px;--radius: 12px;--radius-lg: 16px;--container: 1120px;--measure: 760px;--font-sans: "Inter Variable", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono: ui-monospace, "SFMono-Regular", "Menlo", "Consolas", monospace;--shadow-sm: 0 1px 2px rgba(24, 24, 27, .04);--shadow: 0 4px 16px rgba(24, 24, 27, .06)}[data-theme=dark]{--accent: #8b7bff;--accent-hover: #9d8fff;--accent-weak: #1d1a2e;--accent-contrast: #15131f;--bg: #0f0f13;--bg-soft: #131318;--surface: #17171c;--surface-2: #1d1d23;--text: #ededf0;--text-muted: #a8a8b3;--text-faint: #8a8a95;--border: #2a2a31;--border-strong: #3a3a43;--success: #4ade80;--success-weak: #11231a;--danger: #f87171;--danger-weak: #2a1517;--warning: #fbbf24;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow: 0 6px 24px rgba(0, 0, 0, .45)}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font-sans);background:var(--bg);color:var(--text);line-height:1.65;min-height:100vh;display:flex;flex-direction:column;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3,h4{line-height:1.2;font-weight:700;letter-spacing:-.015em;margin:0 0 .5em}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}img,svg{display:block;max-width:100%}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}.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:-999px;top:0;background:var(--accent);color:var(--accent-contrast);padding:.6rem 1rem;border-radius:0 0 var(--radius-sm) 0;z-index:200}.skip-link:focus{left:0;color:var(--accent-contrast)}.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:1.25rem}main{flex:1 0 auto}.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(180%) blur(10px);-webkit-backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--border)}.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:64px}.brand{display:inline-flex;align-items:center;gap:.5rem;font-size:1.2rem;font-weight:800;letter-spacing:-.03em;color:var(--text)}.brand:hover{color:var(--text)}.brand-mark{flex:none;border-radius:7px}.brand-name b{color:var(--accent);font-weight:800}.nav-links{display:flex;align-items:center;gap:1.4rem;font-size:.95rem}.nav-links a{color:var(--text-muted);font-weight:500}.nav-links a:hover{color:var(--text)}.nav-actions{display:flex;align-items:center;gap:.5rem}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;border:1px solid var(--border);background:transparent;color:var(--text);cursor:pointer;transition:background .15s ease,border-color .15s ease}.icon-btn:hover{background:var(--surface-2);border-color:var(--border-strong)}.icon-btn svg{width:18px;height:18px}.theme-toggle .sun{display:none}[data-theme=dark] .theme-toggle .sun{display:block}[data-theme=dark] .theme-toggle .moon{display:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.7rem 1.2rem;border-radius:var(--radius-sm);font:inherit;font-weight:600;cursor:pointer;border:1px solid transparent;transition:background .15s ease,border-color .15s ease,transform .05s ease}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--accent);color:var(--accent-contrast)}.btn-primary:hover{background:var(--accent-hover);color:var(--accent-contrast)}.btn-ghost{background:var(--surface);color:var(--text);border-color:var(--border-strong)}.btn-ghost:hover{background:var(--surface-2);color:var(--text)}.btn-block{width:100%}label{font-weight:500}.field{margin-bottom:1.1rem}.field>label{display:block;margin-bottom:.4rem}.control{width:100%;padding:.7rem .9rem;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--bg);color:var(--text);font:inherit;transition:border-color .15s ease,box-shadow .15s ease}.control:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 22%,transparent)}textarea.control{resize:vertical;min-height:140px;font-family:var(--font-mono)}input[type=range]{width:100%;accent-color:var(--accent)}input[type=checkbox]{accent-color:var(--accent);width:1rem;height:1rem}.hero{text-align:center;padding:4.5rem 0 2.5rem}.hero h1{font-size:clamp(2.1rem,5vw,3.1rem);margin-bottom:.8rem}.hero .lede{color:var(--text-muted);font-size:1.15rem;max-width:620px;margin:0 auto 1.8rem}.searchbar{display:flex;gap:.5rem;max-width:540px;margin:0 auto}.searchbar input{flex:1;border-radius:999px;padding-inline:1.1rem}.searchbar .btn{border-radius:999px;padding-inline:1.5rem}.trust-row{display:flex;flex-wrap:wrap;gap:1.1rem;justify-content:center;margin-top:1.4rem;color:var(--text-faint);font-size:.9rem}.trust-row span{display:inline-flex;align-items:center;gap:.4rem}.trust-row svg{width:15px;height:15px}.section-head{display:flex;align-items:baseline;justify-content:space-between;margin:2.6rem 0 1.1rem}.section-head h2{font-size:1.4rem;margin:0}.eyebrow{color:var(--text-faint);font-size:.85rem;font-weight:500}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1rem}.card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.3rem;color:inherit;transition:border-color .15s ease,transform .15s ease,box-shadow .15s ease}a.card:hover{border-color:color-mix(in srgb,var(--accent) 55%,var(--border));transform:translateY(-3px);box-shadow:var(--shadow);color:inherit}.card.is-soon{opacity:.6}.card-icon{width:40px;height:40px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;background:var(--accent-weak);color:var(--accent);margin-bottom:.9rem}.card-icon svg{width:21px;height:21px}.card h3{font-size:1.05rem;margin:0 0 .35rem}.card p{color:var(--text-muted);font-size:.9rem;margin:0;flex:1}.card .soon-tag{align-self:flex-start;margin-top:.8rem;font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint);background:var(--surface-2);padding:.15rem .5rem;border-radius:999px}.tool-head{padding:2.6rem 0 1.4rem;max-width:var(--measure)}.breadcrumb{font-size:.85rem;color:var(--text-faint);margin-bottom:.8rem}.breadcrumb a{color:var(--text-muted)}.tool-head h1{font-size:clamp(1.8rem,4vw,2.4rem)}.tool-head p{color:var(--text-muted);font-size:1.05rem;margin:0}.workspace{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.6rem;box-shadow:var(--shadow-sm)}.result-box{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius-sm);padding:1rem;font-family:var(--font-mono);word-break:break-word;white-space:pre-wrap}.msg{font-size:.9rem;margin-top:.6rem}.msg-error{color:var(--danger)}.msg-ok{color:var(--success)}.prose{max-width:var(--measure);margin-top:2.5rem}.prose h2{font-size:1.6rem;margin:0 0 1rem}.prose h3{font-size:1.2rem;margin:2rem 0 .7rem}.prose p{color:var(--text);margin:0 0 1.1rem}.prose ul,.prose ol{color:var(--text);padding-left:1.3rem;margin:0 0 1.2rem}.prose li{margin-bottom:.5rem}.prose code{font-family:var(--font-mono);font-size:.88em;background:var(--surface-2);padding:.12em .4em;border-radius:5px}.prose strong{font-weight:700}.callout{border-left:3px solid var(--accent);background:var(--accent-weak);padding:.9rem 1.1rem;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:1.4rem 0;font-size:.95rem}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin:1.5rem 0}.feature{border:1px solid var(--border);border-radius:var(--radius);padding:1.1rem;background:var(--surface)}.feature h4{margin:0 0 .45rem;font-size:1rem;display:flex;gap:.5rem;align-items:center}.feature svg{width:17px;height:17px;color:var(--accent)}.feature p{font-size:.9rem;color:var(--text-muted);margin:0}.data-table{width:100%;border-collapse:collapse;margin:1.3rem 0;font-size:.92rem}.data-table th,.data-table td{text-align:left;padding:.65rem .8rem;border-bottom:1px solid var(--border)}.data-table th{background:var(--surface-2);font-weight:600}.faq{margin:1.4rem 0}.faq details{border:1px solid var(--border);border-radius:var(--radius-sm);padding:0 1rem;margin-bottom:.6rem;background:var(--surface)}.faq summary{cursor:pointer;font-weight:600;padding:.9rem 0;list-style:none;display:flex;justify-content:space-between;gap:1rem}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";color:var(--accent);font-weight:700}.faq details[open] summary:after{content:"–"}.faq details>p{color:var(--text-muted);margin:0 0 1rem}.related{margin:2.5rem 0;max-width:var(--measure)}.ad-slot{display:block;margin:2rem auto;max-width:var(--measure);text-align:center;min-height:90px}.ad-slot ins{display:block}.ad-label{display:block;font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-faint);margin-bottom:.3rem}.site-footer{margin-top:3rem;border-top:1px solid var(--border);background:var(--bg-soft);color:var(--text-muted);font-size:.9rem}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem;padding:2.5rem 0 1.5rem}.footer-grid h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text-faint);margin-bottom:.8rem}.footer-grid a{color:var(--text-muted);display:block;padding:.2rem 0}.footer-grid a:hover{color:var(--text)}.footer-bottom{display:flex;flex-wrap:wrap;gap:.5rem 1rem;justify-content:space-between;align-items:center;padding:1rem 0 2rem;border-top:1px solid var(--border);font-size:.85rem}.footer-bottom button{background:none;border:none;color:var(--text-muted);cursor:pointer;font:inherit;text-decoration:underline;padding:0}.stack>*+*{margin-top:1rem}.row{display:flex;gap:.75rem;flex-wrap:wrap}.row>.btn{flex:1}.muted{color:var(--text-muted)}.text-center{text-align:center}@media(max-width:720px){.nav-links .nav-link-text{display:none}.footer-grid{grid-template-columns:1fr 1fr;gap:1.4rem}.hero{padding-top:3rem}}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-cyrillic-ext-wght-normal.BOeWTOD4.woff2) format("woff2-variations");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-cyrillic-wght-normal.DqGufNeO.woff2) format("woff2-variations");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-greek-ext-wght-normal.DlzME5K_.woff2) format("woff2-variations");unicode-range:U+1F00-1FFF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-greek-wght-normal.CkhJZR-_.woff2) format("woff2-variations");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-vietnamese-wght-normal.CBcvBZtf.woff2) format("woff2-variations");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-latin-ext-wght-normal.DO1Apj_S.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-latin-wght-normal.Dx4kXJAl.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}