:root{--bg:#EEF6FF;--surface:#FFF;--primary:#1E40AF;--accent:#60A5FA;--coral:#FF6B6B;--text:#0B1220;--muted:#64748B;--border:#D6E3F2;--shadow:0 8px 24px rgba(11,18,32,.12);--radius:18px;--container:1180px;--gap:22px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,"Apple Color Emoji","Segoe UI Emoji";line-height:1.6}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}.atc-container{max-width:var(--container);margin:0
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h1{margin:0;line-height:1.1;font-size:clamp(28px, 3.2vw, 42px)}.atc-hero
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solid var(--border);background:var(--surface)}.atc-tile
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p{margin-top:0}.atc-featured{margin:0
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solid var(--border)}.atc-featured
img{width:100%;max-height:460px;object-fit:cover}@media (max-width: 768px){.atc-featured
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solid var(--border);background:var(--surface);font-weight:800;cursor:pointer}.atc-btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.atc-btn-primary:hover{filter:brightness(.96)}.atc-btn-accent{background:rgba(96,165,250,.18);border-color:rgba(96,165,250,.55);color:var(--primary)}.atc-john-top{display:flex;gap:12px;align-items:center}.atc-john
img{width:64px;height:64px;border-radius:18px;border:1px
solid var(--border);object-fit:cover}.atc-john
h3{margin:0;font-size:18px}.atc-john
p{margin:4px
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small{display:block;margin-top:10px;color:var(--muted)}.atc-collapsible
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solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}.atc-collapsible .atc-pad{padding:18px}.atc-mobile-john{display:block}.atc-desktop-john{display:none}@media (min-width: 980px){.atc-mobile-john{display:none}.atc-desktop-john{display:block}}.drts .drts-view{max-width:100%}.drts .drts-entity{background:var(--surface);border:1px
solid var(--border);border-radius:16px;box-shadow:var(--shadow)}.drts .drts-entity .drts-entity-label{font-weight:800}.drts .drts-btn, .drts button, .drts input[type="submit"]{border-radius:14px !important;padding:10px
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select{border-radius:14px !important;border:1px
solid var(--border) !important;padding:12px
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a{padding:8px
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solid var(--border);background:var(--surface)}.atc-footer-links a:hover{text-decoration:none;background:rgba(96,165,250,.18)}@media (max-width: 520px){.atc-logo{width:72px;height:120px}}.atc-logo-link{display:flex;align-items:center;justify-content:center;text-decoration:none}.atc-logo-img{height:190px;width:auto;display:block}@media (max-width: 980px){.atc-logo-img{height:160px}}@media (max-width: 520px){.atc-logo-img{height:120px}}.atc-nav
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li{list-style:none;margin:0;padding:0}.atc-nav .menu, .atc-drawer
.menu{margin:0;padding:0}.atc-logo{background:transparent;border:none;width:auto;height:auto;border-radius:0;overflow:visible}.atc-logo img, .atc-logo .custom-logo{width:auto;height:auto;object-fit:contain}.atc-nav{flex-wrap:wrap;row-gap:6px}.atc-nav li, .atc-drawer
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32px}@media (min-width: 860px){.atc-hero-v2-inner{grid-template-columns:1fr 280px;align-items:center;padding:56px
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solid var(--border);border-radius:24px;box-shadow:var(--shadow);margin-bottom:var(--gap)}.atc-showcase-header{text-align:center;margin-bottom:24px}.atc-showcase-title{margin:0
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strong{font-size:15px;font-weight:800;color:var(--primary);display:block}.atc-tool-card
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strong{display:block;font-size:15px;font-weight:800;color:var(--primary);margin-bottom:4px}.atc-howto-card
span{font-size:13px;color:var(--muted);line-height:1.5}