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span:before{content:"✓";color:var(--brand-2);font-weight:900;margin-right:6px}.section{padding:32px 0 58px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:22px}.section-head h2{font-size:2rem;letter-spacing:-.04em;margin:0}.section-head p{margin:6px 0 0;color:var(--muted)}.category-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.category-card,.tool-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);transition:.18s ease}.category-card{padding:20px;min-height:165px}.category-card:hover,.tool-card:hover{transform:translateY(-2px);border-color:#c7d1ef;box-shadow:0 14px 30px rgba(35,49,96,.07)}.cat-icon{width:42px;height:42px;border-radius:13px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-weight:850}.category-card h3{margin:18px 0 5px;font-size:1.02rem}.category-card p{margin:0;color:var(--muted);font-size:.9rem}.category-card 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rgba(255,255,255,.1);padding:17px 0;color:#8090aa;font-size:.82rem}.notice{padding:12px 14px;border-radius:12px;background:#fff8e6;border:1px solid #f2d694;color:#73550a;font-size:.88rem}.empty{color:var(--muted)}@media(max-width:1000px){.category-grid{grid-template-columns:repeat(3,1fr)}.tool-grid{grid-template-columns:repeat(3,1fr)}.tool-layout{grid-template-columns:1fr}.result-panel{position:static}.main-nav a.hide-small{display:none}}@media(max-width:700px){.header-inner{height:64px}.main-nav{gap:9px}.main-nav .nav-cta{display:none}.hero{padding-top:48px}.hero h1{font-size:2.75rem}.tool-search{flex-direction:column;align-items:stretch}.tool-search button{width:100%}.category-grid,.tool-grid,.related-grid{grid-template-columns:1fr 1fr}.result-cards{grid-template-columns:1fr}.dual-code{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.tool-actions{flex-direction:column}}@media(max-width:460px){.wrap{width:min(var(--max),calc(100% - 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