:root{--ctq-bg: #f8fafc;--ctq-surface: #ffffff;--ctq-ink: #0f172a;--ctq-ink-soft: #475569;--ctq-brand: #0e7490;--ctq-brand-dark: #155e75;--ctq-accent: #f59e0b;--ctq-border: #e2e8f0;--ctq-radius: 14px;--ctq-shadow: 0 1px 3px rgb(15 23 42 / .08), 0 4px 14px rgb(15 23 42 / .06)}*{box-sizing:border-box}html{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--ctq-bg);color:var(--ctq-ink);line-height:1.6;-webkit-text-size-adjust:100%}body{margin:0;min-height:100vh;display:flex;flex-direction:column}main{flex:1}a{color:var(--ctq-brand)}img{max-width:100%;height:auto}.ctq-container{width:min(1100px,100% - 2.5rem);margin-inline:auto}.ctq-header{background:var(--ctq-surface);border-bottom:1px solid var(--ctq-border);position:sticky;top:0;z-index:50}.ctq-header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.7rem 0}.ctq-logo{font-weight:800;font-size:1.15rem;text-decoration:none;color:var(--ctq-ink);letter-spacing:-.02em}.ctq-logo 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p{margin:0;color:var(--ctq-ink-soft);font-size:.9rem}.ctq-card-top{display:flex;align-items:center;justify-content:space-between}.ctq-card-icon{font-size:1.6rem}.ctq-badge{display:inline-block;font-size:.72rem;font-weight:700;padding:.1rem .6rem;border-radius:999px;color:#fff}.ctq-badge-premium{background:var(--ctq-accent)}.ctq-filters{display:flex;gap:.5rem;flex-wrap:wrap;margin:1rem 0 1.5rem}.ctq-filter{border:1px solid var(--ctq-border);background:var(--ctq-surface);border-radius:999px;padding:.35rem .95rem;font-size:.88rem;font-weight:600;color:var(--ctq-ink-soft);cursor:pointer}.ctq-filter[aria-pressed=true]{background:var(--ctq-brand);border-color:var(--ctq-brand);color:#fff}.ctq-tool-head{padding:2rem 0 1rem}.ctq-tool-head h1{margin:0 0 .4rem;font-size:clamp(1.5rem,4vw,2.2rem);letter-spacing:-.02em}.ctq-tool-head p{color:var(--ctq-ink-soft);max-width:50rem;margin:0 0 .6rem}.ctq-tool-meta{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}.ctq-chip{font-size:.78rem;font-weight:700;padding:.15rem .7rem;border-radius:999px;color:#fff}.ctq-tool-frame{width:100%;min-height:72vh;border:1px solid var(--ctq-border);border-radius:var(--ctq-radius);background:var(--ctq-surface);display:block}.ctq-tool-body{background:var(--ctq-surface);border:1px solid var(--ctq-border);border-radius:var(--ctq-radius);padding:1.4rem;box-shadow:var(--ctq-shadow)}.ctq-tool-body label{font-weight:600;font-size:.92rem;display:block;margin-bottom:.25rem}.ctq-tool-body input,.ctq-tool-body select{font:inherit;padding:.5rem .7rem;border:1px solid var(--ctq-border);border-radius:8px;width:100%;background:var(--ctq-bg)}.ctq-result{margin-top:1rem;padding:1rem 1.2rem;border-radius:10px;background:#ecfeff;border:1px solid #a5f3fc;font-size:1.15rem;font-weight:700;min-height:3.4rem}.ctq-about-list{display:flex;flex-wrap:wrap;gap:.5rem;padding:0;list-style:none;margin:1rem 0}.ctq-about-list li{background:var(--ctq-surface);border:1px solid var(--ctq-border);padding:.3rem .9rem;border-radius:999px;font-size:.88rem;font-weight:600;color:var(--ctq-ink-soft)}.ctq-prose{max-width:46rem;padding:2rem 0 3rem}.ctq-prose h1{letter-spacing:-.02em}.ctq-prose h2{margin-top:1.8rem;font-size:1.15rem}.ctq-prose p,.ctq-prose li{color:var(--ctq-ink-soft);font-size:.95rem}.ctq-footer{margin-top:3rem;background:var(--ctq-ink);color:#cbd5e1;padding:1.6rem 0;font-size:.88rem}.ctq-footer-inner{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;align-items:center}.ctq-footer a{color:#e2e8f0}.ctq-search{margin:0 0 1.2rem}