.site-header{position:sticky;top:0;z-index:1000;background:linear-gradient(120deg, #0ea5e9 0%, #60a5fa 45%, #f472b6 100%);color:#fff;box-shadow:0 12px 30px rgba(14, 116, 144, 0.18);backdrop-filter:blur(10px) saturate(1.2);padding:0!important}
.header-wrap{max-width:1200px;margin:0 auto;padding:.75rem 1rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.logo{display:inline-flex;align-items:center;gap:.6rem;text-decoration:none;color:#fff;font-weight:800;letter-spacing:.02em;font-size:1.25rem;white-space:nowrap}
.logo img{height:38px;width:auto;aspect-ratio:1024 / 575;object-fit:contain;border-radius:10px;box-shadow:0 6px 18px rgba(0,0,0,.18)}
.nav-actions{display:flex;align-items:center;gap:.75rem}
.cta-button{background:#111827;color:#fff;border:0;border-radius:999px;padding:.55rem 1rem;font-weight:700;font-size:.95rem;box-shadow:0 10px 24px rgba(17,24,39,.25);text-decoration:none;transition:transform .2s ease,box-shadow .2s ease;white-space:nowrap}
.cta-button:hover,.cta-button:focus{transform:translateY(-1px);box-shadow:0 14px 28px rgba(17,24,39,.3);outline:none}
.menu-toggle{display:none;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:12px;padding:.45rem .6rem;font-size:1.2rem;cursor:pointer}
.menu-toggle:focus{outline:2px solid #fff;outline-offset:2px}
.nav{display:flex;gap:.75rem;align-items:center}
.nav-list{display:flex;gap:.6rem;margin:0;padding:0;list-style:none}
.nav-item{position:relative}
.nav-trigger{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#fff;padding:.45rem .8rem;border-radius:999px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:.4rem;transition:background .2s ease,transform .2s ease;white-space:nowrap}
.nav-trigger:hover,.nav-trigger:focus-visible,.nav-trigger[aria-expanded="true"]{background:rgba(255,255,255,.2);transform:translateY(-1px)}
.nav-trigger .chip{width:8px;height:8px;background:#ffe29a;border-radius:999px;box-shadow:0 0 0 3px rgba(255,226,154,.2)}
.dropdown{position:absolute;left:0;top:110%;min-width:240px;background:#ffffff;color:#111827;border-radius:14px;padding:.5rem;box-shadow:0 18px 38px rgba(15,23,42,.2);opacity:0;pointer-events:none;transform:translateY(-6px);transition:opacity .2s ease,transform .2s ease;z-index:50}
.nav-item:focus-within .dropdown,.nav-item:hover .dropdown{opacity:1;pointer-events:auto;transform:translateY(0)}
.dropdown a{display:block;padding:.55rem .7rem;border-radius:10px;text-decoration:none;color:#111827;font-weight:600;font-size:.95rem;transition:background .2s ease,color .2s ease}
.dropdown a:hover,.dropdown a:focus{background:#eef2ff;color:#1d4ed8;outline:none}
.dropdown .desc{display:block;font-weight:400;font-size:.78rem;color:#6b7280;margin-top:.1rem}
body.tools-page .header-wrap{padding:.45rem .75rem}
body.tools-page .logo img{height:30px}
.menu-toggle:focus-visible,.nav a:focus-visible,.nav-trigger:focus-visible,.cta-button:focus-visible{outline:3px solid rgba(99,102,241,.95);outline-offset:2px;border-radius:8px}
@media (max-width:980px){.menu-toggle{display:inline-flex}.nav{position:absolute;left:0;right:0;top:100%;background:#0f172a;padding:.75rem 1rem 1rem;display:none;flex-direction:column;align-items:stretch;gap:.75rem}.nav.open{display:flex}.nav-list{flex-direction:column;gap:.6rem}.dropdown{position:static;opacity:1;pointer-events:auto;transform:none;background:rgba(255,255,255,.12);color:#fff}.dropdown a{color:#fff}.dropdown a:hover,.dropdown a:focus{background:rgba(255,255,255,.18);color:#fff}.dropdown .desc{color:#e2e8f0}}
@media (min-width:960px){.rdc-grid{grid-template-columns:1.1fr .9fr}.rdc-hero-inner{grid-template-columns:1.2fr .8fr;gap:1rem}.rdc-hero{padding:.95rem 1.1rem}}
@media (max-width:959px){.rdc-hero-stats{grid-template-columns:1fr}}

.rdc-page{max-width:1120px;margin:0 auto;padding:1rem}
.rdc-breadcrumb{max-width:1120px;margin:0 auto .75rem;padding:0 1rem;display:flex;flex-wrap:wrap;align-items:center;gap:.45rem;font-size:.92rem;color:#475569}
.rdc-breadcrumb a{color:#1d4ed8;text-decoration:none;font-weight:600}
.rdc-breadcrumb a:hover,.rdc-breadcrumb a:focus-visible{text-decoration:underline;outline:none}
.rdc-breadcrumb [aria-current="page"]{color:#0f172a;font-weight:700}
.rdc-section{margin:1rem 0 1.5rem;padding:1rem;border-radius:12px;background:var(--card-bg,#fff);box-shadow:var(--card-shadow,0 2px 12px rgba(0,0,0,.06))}
.rdc-hero{position:relative;overflow:hidden;padding:1rem;border:1px solid #93c5fd;background:
  radial-gradient(circle at top right, rgba(255,255,255,.72), transparent 26%),
  radial-gradient(circle at bottom left, rgba(167,243,208,.6), transparent 28%),
  linear-gradient(135deg,#dbeafe 0%,#ede9fe 45%,#dcfce7 100%);box-shadow:0 18px 42px rgba(37,99,235,.11)}
.rdc-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg, rgba(255,255,255,.56), transparent 30%, transparent 70%, rgba(255,255,255,.24));pointer-events:none}
.rdc-hero-inner{position:relative;display:grid;gap:.85rem;align-items:center}
.rdc-hero-copy{max-width:42rem}
.rdc-hero-panel{display:grid;gap:.7rem;align-self:stretch;padding:.85rem;border-radius:16px;background:rgba(15,23,42,.82);color:#e2e8f0;border:1px solid rgba(255,255,255,.14);box-shadow:0 18px 36px rgba(15,23,42,.16)}
.rdc-hero-panel h2{margin:0;font-size:.92rem;letter-spacing:.08em;text-transform:uppercase;color:#93c5fd}
.rdc-hero-panel p{margin:0;color:#cbd5e1;line-height:1.65}
.rdc-hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:.55rem}
.rdc-hero-stat{padding:.65rem .7rem;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08)}
.rdc-hero-stat span{display:block;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:#94a3b8;margin-bottom:.2rem}
.rdc-hero-stat strong{display:block;color:#fff;font-size:.98rem}
.rdc-hero-sample{padding:.75rem .85rem;border-radius:14px;background:linear-gradient(135deg, rgba(255,255,255,.11), rgba(255,255,255,.04));border:1px solid rgba(255,255,255,.08)}
.rdc-hero-sample label{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:#93c5fd;margin-bottom:.35rem}
.rdc-hero-sample code{display:block;font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;font-size:.96rem;color:#fff;word-break:break-word}
.rdc-hero h1,.rdc-section h2,.rdc-section h3{margin:0 0 .75rem;line-height:1.3}
.rdc-hero h1{font-size:clamp(1.8rem,4vw,3rem);font-weight:800;letter-spacing:-.04em;color:#0f172a}
.rdc-hero p{margin:.65rem 0;max-width:62ch;font-size:.98rem;line-height:1.65;color:#334155}
.rdc-summary{border:1px solid #93c5fd;border-radius:10px;background:#eff6ff;color:#1e3a8a;padding:.6rem .75rem;margin:.7rem 0 .2rem}
.rdc-meta{font-size:.9rem;color:#475569;margin:.25rem 0 0}
.rdc-badges{display:flex;flex-wrap:wrap;gap:.4rem;margin:.65rem 0}
.rdc-badge{border:1px solid #bfdbfe;background:#fff;color:#1e3a8a;border-radius:999px;padding:.2rem .55rem;font-size:.8rem;font-weight:600}
.rdc-cta-row{display:flex;flex-wrap:wrap;gap:.65rem;margin-top:.8rem}
.rdc-btn{min-height:40px;border:1px solid #2563eb;border-radius:10px;padding:.55rem .9rem;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}
.rdc-btn-primary{background:#2563eb;color:#fff}
.rdc-btn-secondary{background:#fff;color:#0f172a;border-color:#94a3b8}
.rdc-btn:disabled{opacity:.55;cursor:not-allowed}
.rdc-btn:focus-visible,.rdc-input:focus-visible,.rdc-select:focus-visible,.rdc-howto-toggle:focus-visible,.rdc-accordion-btn:focus-visible,.rdc-table-wrap:focus-visible{outline:3px solid #60a5fa;outline-offset:2px}
.rdc-grid{display:grid;gap:1rem}
.rdc-controls{display:grid;gap:.8rem;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.rdc-label{display:block;margin-bottom:.35rem;font-weight:600;color:#1e293b}
.rdc-input,.rdc-select{width:100%;min-height:44px;border:1px solid #94a3b8;border-radius:10px;padding:.58rem .7rem;font:inherit;background:#fff;color:#0f172a}
.rdc-check{display:flex;align-items:center;gap:.55rem;min-height:44px}
.rdc-core{border:2px solid #93c5fd;background:linear-gradient(180deg,#eff6ff 0%,#ffffff 68%,#f8fafc 100%);box-shadow:0 0 0 3px rgba(147,197,253,.22),0 10px 24px rgba(37,99,235,.12)}
.rdc-status{min-height:56px;border:1px solid #cbd5e1;border-radius:10px;padding:.75rem;margin-top:.75rem;outline:none}
.rdc-status[data-state="info"]{background:#eff6ff;border-color:#93c5fd;color:#1e3a8a}
.rdc-status[data-state="success"]{background:#ecfdf5;border-color:#86efac;color:#14532d}
.rdc-status[data-state="error"]{background:#fef2f2;border-color:#fca5a5;color:#7f1d1d}
.rdc-result{border:1px solid #cbd5e1;border-radius:10px;background:#fff;padding:.8rem;margin-top:.8rem;min-height:180px}
.rdc-result-grid{display:grid;gap:.6rem;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));margin-top:.6rem}
.rdc-card{border:1px solid #e2e8f0;border-radius:10px;padding:.65rem;background:#f8fafc}
.rdc-card strong{display:block;color:#1e3a8a;margin-top:.2rem}
.rdc-table-wrap{margin-top:.8rem;border:1px solid #cbd5e1;border-radius:10px;overflow:auto;max-height:300px;background:#fff}
.rdc-table{width:100%;border-collapse:collapse}
.rdc-table th,.rdc-table td{padding:.5rem .55rem;border-bottom:1px solid #e2e8f0;text-align:left;font-size:.92rem}
.rdc-table th{position:sticky;top:0;background:#f8fafc;color:#0f172a}
.rdc-help{font-size:.9rem;color:#475569;margin:.45rem 0 0}
.rdc-howto-toggle{width:100%;min-height:44px;border:1px solid #94a3b8;border-radius:10px;background:#fff;color:#0f172a;padding:.65rem .8rem;display:flex;align-items:center;justify-content:space-between;font:inherit;font-weight:700;cursor:pointer;margin-top:.35rem}
.rdc-howto-symbol{display:inline-flex;align-items:center;justify-content:center;width:1.5rem;height:1.5rem;border:1px solid #cbd5e1;border-radius:999px;color:#1e3a8a}
.rdc-accordion{display:grid;gap:.6rem}
.rdc-accordion-item{border:1px solid #cbd5e1;border-radius:10px;background:#fff}
.rdc-accordion-btn{width:100%;min-height:44px;border:0;background:transparent;text-align:left;padding:.75rem .85rem;display:flex;align-items:center;justify-content:space-between;font:inherit;font-weight:700;color:#0f172a;cursor:pointer}
.rdc-accordion-panel{padding:0 .85rem .8rem}
.rdc-symbol{display:inline-flex;align-items:center;justify-content:center;width:1.5rem;height:1.5rem;border:1px solid #cbd5e1;border-radius:999px;font-weight:700;color:#1e3a8a}
.rdc-related-grid{display:grid;gap:.65rem;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-top:.55rem}
.rdc-related-link{min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:.65rem;padding:.72rem .8rem;border:1px solid #cbd5e1;border-radius:10px;background:#fff;color:#0f172a;text-decoration:none;font-weight:600;transition:background .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.rdc-related-link:hover,.rdc-related-link:focus-visible{background:#eff6ff;border-color:#93c5fd;transform:translateY(-1px);box-shadow:0 6px 14px rgba(37,99,235,.12);outline:none}
.rdc-related-link::after{content:'→';color:#2563eb;font-weight:700}
.rdc-content{position:relative;overflow:hidden;padding:1.25rem 1.15rem 1.15rem;border:1px solid #dbeafe;background:linear-gradient(180deg,#ffffff 0%,#f8fbff 100%);box-shadow:0 12px 28px rgba(37,99,235,.07)}
.rdc-content::before{content:"";position:absolute;inset:0 auto auto 0;width:100%;height:4px;background:linear-gradient(90deg,#2563eb 0%,#7c3aed 55%,#14b8a6 100%);opacity:.9}
.rdc-content > h2{position:relative;padding-left:1rem;font-size:1.25rem;letter-spacing:-.02em}
.rdc-content > h2::before{content:"";position:absolute;left:0;top:.2rem;bottom:.2rem;width:.28rem;border-radius:999px;background:linear-gradient(180deg,#2563eb 0%,#7c3aed 100%)}
.rdc-content p,.rdc-content li{line-height:1.75}
.rdc-prose{max-width:72ch}
.rdc-prose-wide{max-width:none}
.rdc-insight-grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-top:1rem}
.rdc-insight-card{padding:1rem;border:1px solid #cbd5e1;border-radius:12px;background:linear-gradient(180deg,#ffffff 0%,#f8fafc 100%);box-shadow:0 8px 20px rgba(37,99,235,.06)}
.rdc-insight-card h3{margin:0 0 .45rem;font-size:1.02rem;color:#0f172a}
.rdc-insight-card p{margin:0;color:#334155;line-height:1.7}
.rdc-overview-grid{display:grid;gap:.85rem;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-top:1rem}
.rdc-overview-card{padding:1rem;border:1px solid #cbd5e1;border-radius:12px;background:#fff;box-shadow:0 8px 20px rgba(37,99,235,.06)}
.rdc-overview-card h3{margin:0 0 .4rem;font-size:1rem;color:#0f172a}
.rdc-overview-card p{margin:0;color:#334155;line-height:1.7}
.rdc-overview-card strong{display:inline-block;margin-bottom:.35rem;color:#1d4ed8}
.rdc-compare{width:100%;border-collapse:collapse;margin-top:1rem;overflow:hidden;border-radius:12px;border:1px solid #cbd5e1}
.rdc-compare th,.rdc-compare td{padding:.8rem .85rem;border-bottom:1px solid #e2e8f0;text-align:left;vertical-align:top;line-height:1.65}
.rdc-compare th{background:#eff6ff;color:#0f172a;font-weight:700}
.rdc-compare tr:nth-child(even) td{background:#f8fafc}
.rdc-callout{margin-top:1rem;padding:1rem 1.05rem;border:1px solid #93c5fd;border-radius:14px;background:linear-gradient(135deg,#eff6ff 0%,#ffffff 100%);color:#1e3a8a;box-shadow:0 10px 24px rgba(37,99,235,.08)}
.rdc-hidden{display:none}
.site-footer{background:linear-gradient(90deg, #4f8cff 0%, #ffb347 100%);color:#fff;padding:2rem 0 1rem 0;font-size:1rem;box-shadow:0 -2px 16px rgba(0,0,0,.08);margin-top:2rem}
.footer-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:1rem}
.footer-links{display:flex;gap:1.5rem;flex-wrap:wrap;justify-content:center}
.footer-links a{color:#fff;text-decoration:none;font-weight:500;transition:color .2s;border-radius:4px;padding:.2em .6em}
.footer-links a:hover,.footer-links a:focus{background:rgba(255,255,255,.12);color:#222;outline:none}
.footer-copyright{font-size:.98em;opacity:.85;text-align:center}
#backToTop{background:#fff;color:#4f8cff;border:none;border-radius:50%;width:36px;height:36px;font-size:1.3em;cursor:pointer;box-shadow:0 2px 8px rgba(79,140,255,.10);transition:background .2s,color .2s;margin-top:.5rem}
#backToTop:hover,#backToTop:focus{background:#4f8cff;color:#fff;outline:none}
@media (max-width:600px){.footer-container{padding:0 1rem}.footer-links{gap:.7rem}}