*{margin:0;padding:0;box-sizing:border-box;max-width:100%}[hidden]{display:none!important}html{overflow-x:hidden;width:100%;scroll-behavior:smooth}:root{--primary:#2563eb;--primary-dark:#1d4ed8;--primary-light:#3b82f6;--primary-soft:#eff6ff;--accent:#f59e0b;--accent-light:#fbbf24;--secondary:#64748b;--dark:#0f172a;--gray-50:#fafafa;--gray-100:#f4f4f5;--gray-200:#e4e4e7;--gray-300:#d4d4d8;--gray-400:#a1a1aa;--gray-500:#71717a;--gray-600:#52525b;--gray-700:#3f3f46;--gray-800:#27272a;--gray-900:#18181b;--white:#ffffff;--success:#059669;--danger:#dc2626;--gradient:linear-gradient(135deg, #2563eb 0%, #4f46e5 50%, #3b82f6 100%);--gradient-subtle:linear-gradient(180deg, #eff6ff 0%, #eef2ff 50%, #dbeafe 100%);--container-width:1200px;--section-padding:80px 0;--card-padding:32px;--radius-sm:8px;--radius-md:12px;--radius-lg:20px;--radius-xl:32px;--shadow-sm:0 1px 2px 0 rgba(0,0,0,0.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.07),0 2px 4px -2px rgba(0,0,0,0.05);--shadow-lg:0 10px 15px -3px 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(max-width:900px){.app{grid-template-columns:1fr;min-height:auto}.app-left{border-right:none;border-bottom:1px solid var(--gray-200);min-height:auto}.dropzone{min-height:320px}.panel-body{max-height:380px}.content-section{padding:60px 0}}@media (max-width:600px){.container{padding:0 16px}.hero{padding:40px 0 16px}.header-inner{height:64px}main{padding-top:64px}.site-nav{gap:14px}.site-nav a:not(.btn){display:none}.content-section{padding:48px 0}.file-info strong{max-width:180px}.hero-badges li{font-size:12px;padding:6px 12px}.meta-row{grid-template-columns:110px 1fr;font-size:12px}}