:root {
      --sf-primary: #F97316; --sf-primary-rgb: 249,115,22;
      --sf-accent: #EF4444; --sf-accent-rgb: 239,68,68;
      --sf-bg: #0C0908; --sf-surface: rgba(16,12,10,.92);
      --sf-border: rgba(249,115,22,.18);
      --sf-text: #F4E0D0; --sf-text2: #A88068; --sf-text3: #684830;
      --sf-grad: linear-gradient(135deg, #F97316 0%, #EF4444 50%, #8B5CF6 100%);
      --sf-glow: 0 0 40px rgba(249,115,22,.2);
    }
    * { box-sizing: border-box; } body { margin: 0; background: var(--sf-bg); color: var(--sf-text); font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif; -webkit-font-smoothing: antialiased; }
    .sf-wrap { max-width: 1340px; margin: 0 auto; padding: 0 24px 80px; position: relative; z-index: 1; }

    .sf-hero { text-align: center; padding: 48px 0 24px; position: relative; }
    .sf-hero::before { content: ''; position: absolute; top: -120px; left: 50%; transform: translateX(-50%); width: 600px; height: 600px; background: radial-gradient(circle, rgba(249,115,22,.10) 0%, transparent 70%); }
    .sf-hero-badge { display: inline-block; padding: 6px 16px; border-radius: 20px; background: rgba(249,115,22,.1); border: 1px solid rgba(249,115,22,.25); font-size: .76rem; color: #F97316; margin-bottom: 16px; letter-spacing: .04em; }
    .sf-hero h1 { font-size: 3rem; font-weight: 900; margin: 0 0 12px; line-height: 1.15; }
    .sf-hero h1 .hl { background: var(--sf-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
    .sf-hero p { font-size: .95rem; color: var(--sf-text2); max-width: 680px; margin: 0 auto 28px; line-height: 1.7; }

    .sf-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 32px; }
    .sf-stat { background: var(--sf-surface); border: 1px solid var(--sf-border); border-radius: 18px; padding: 24px; text-align: center; backdrop-filter: blur(20px); transition: .3s; }
    .sf-stat:hover { border-color: rgba(249,115,22,.35); transform: translateY(-2px); }
    .sf-stat-val { font-size: 2.2rem; font-weight: 900; background: linear-gradient(135deg, #F97316, #EF4444); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
    .sf-stat-lbl { font-size: .7rem; color: var(--sf-text3); margin-top: 6px; letter-spacing: .03em; }

    .sf-sec { margin: 40px 0; }
    .sf-sec-header { text-align: center; margin-bottom: 24px; }
    .sf-sec-header h2 { font-size: 1.8rem; font-weight: 800; margin: 0 0 10px; }
    .sf-sec-header h2 .hl { background: var(--sf-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
    .sf-sec-header .sub { font-size: .82rem; color: var(--sf-text3); }

    .sf-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .sf-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
    .sf-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
    .sf-card { background: var(--sf-surface); border: 1px solid var(--sf-border); border-radius: 18px; padding: 26px; backdrop-filter: blur(20px); transition: .35s; position: relative; overflow: hidden; }
    .sf-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, #F97316, #EF4444); opacity: 0; transition: .35s; }
    .sf-card:hover::before { opacity: 1; }
    .sf-card:hover { border-color: rgba(249,115,22,.4); box-shadow: var(--sf-glow); transform: translateY(-3px); }
    .sf-card .icon { font-size: 2rem; margin-bottom: 14px; display: block; }
    .sf-card h4 { font-size: 1rem; font-weight: 700; margin: 0 0 8px; color: #fff; }
    .sf-card p { font-size: .78rem; color: var(--sf-text2); line-height: 1.65; margin: 0; }

    .sf-table-wrap { background: var(--sf-surface); border: 1px solid var(--sf-border); border-radius: 18px; padding: 24px; overflow-x: auto; backdrop-filter: blur(20px); }
    .sf-table { width: 100%; border-collapse: collapse; font-size: .8rem; }
    .sf-table th { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--sf-border); color: var(--sf-text3); font-size: .66rem; font-weight: 600; text-transform: uppercase; }
    .sf-table td { padding: 12px 14px; border-bottom: 1px solid rgba(249,115,22,.06); color: var(--sf-text2); }
    .sf-table tr:hover td { background: rgba(249,115,22,.03); }
    .sf-badge { display: inline-block; padding: 3px 10px; border-radius: 8px; font-size: .64rem; font-weight: 600; }
    .sf-badge-yes { background: rgba(48,209,88,.12); color: #30D158; }
    .sf-badge-no { background: rgba(239,68,68,.12); color: #EF4444; }

    .sf-filetypes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
    .sf-ft-card { padding: 20px; border-radius: 14px; text-align: center; transition: .3s; background: var(--sf-surface); border: 1px solid var(--sf-border); }
    .sf-ft-card:hover { border-color: rgba(249,115,22,.35); }
    .sf-ft-card .ico { font-size: 2rem; display: block; margin-bottom: 6px; }
    .sf-ft-card h5 { font-size: .8rem; font-weight: 700; color: #fff; }
    .sf-ft-card .cnt { font-size: 1rem; font-weight: 900; color: #F97316; }

    .cta-band { text-align: center; margin-top: 48px; padding: 40px; background: linear-gradient(135deg, rgba(249,115,22,.06), rgba(239,68,68,.06)); border: 1px solid var(--sf-border); border-radius: 24px; }
    .cta-band h3 { font-size: 1.5rem; font-weight: 800; margin: 0 0 10px; }
    .btn-primary { display: inline-block; padding: 12px 32px; border-radius: 12px; font-size: .84rem; font-weight: 700; text-decoration: none; color: #fff; background: linear-gradient(135deg, #F97316, #EF4444); box-shadow: 0 4px 24px rgba(249,115,22,.35); transition: .3s; }
    .btn-outline { display: inline-block; padding: 12px 28px; border-radius: 12px; font-size: .84rem; font-weight: 600; text-decoration: none; color: #F97316; border: 1px solid rgba(249,115,22,.3); transition: .3s; margin-left: 12px; }

    @media (max-width: 1024px) { .sf-stats, .sf-filetypes { grid-template-columns: 1fr 1fr; } .sf-grid-2, .sf-grid-3, .sf-grid-4 { grid-template-columns: 1fr; } .sf-hero h1 { font-size: 2rem; } }
    @media (max-width: 640px) { .sf-stats { grid-template-columns: 1fr; } }