:root{--bg:#ffffff;--text:#0f172a;--muted:#475569;--soft:#f8fafc;--amber:#f59e0b;--amber-600:#d97706;--ring:rgba(245,158,11,.15);--radius:18px}body,html{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:ui-serif,Georgia,Times New Roman,Times,serif}.container{max-width:1000px;margin:0 auto;padding:48px 20px}header{text-align:center;margin-bottom:48px}header img{width:120px;height:120px;object-fit:contain;filter:drop-shadow(0 10px 26px var(--ring))}h1{font-size:44px;line-height:1.1;margin:16px 0 8px}.tag{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;color:var(--amber-600);font-weight:600;font-size:20px}.cta{display:flex;flex-direction:column;align-items:center;gap:8px;margin:28px auto 48px}.btn{background:var(--amber);color:#fff;border:none;border-radius:24px;padding:14px 26px;font-size:18px;font-weight:700;cursor:pointer;box-shadow:0 12px 22px var(--ring);transition:transform .06s ease,background .2s ease}.btn:hover{background:var(--amber-600);transform:translateY(-1px)}.note{font-family:ui-sans-serif,system-ui;font-size:13px;color:#6b7280}.grid{display:grid;gap:18px;grid-template-columns:repeat(3,1fr)}.card{background:var(--soft);padding:20px;border-radius:var(--radius);box-shadow:0 1px 0 rgba(15,23,42,.04)}.icon{font-size:26px;margin-bottom:10px;color:var(--amber-600)}.card h3{font-size:17px;margin:0 0 6px}.card h3,.card p{font-family:ui-sans-serif,system-ui}.card p{margin:0;color:#475569}.section{margin:56px auto 0}.center{text-align:center;margin:24px auto}.center h2{font-size:24px;margin-bottom:8px}.center h2,.trust{font-family:ui-sans-serif,system-ui}.trust{color:#718096}.why{display:grid;gap:12px;grid-template-columns:1fr 1fr;margin-top:18px}.why .point{background:var(--soft);padding:16px;border-radius:14px;font-family:ui-sans-serif,system-ui;color:#334155}.why .point strong{color:#0f172a}details{background:var(--soft);padding:14px 16px;border-radius:14px;font-family:ui-sans-serif,system-ui}details+details{margin-top:10px}summary{cursor:pointer;font-weight:600;color:#0f172a}summary::-webkit-details-marker{display:none}footer{margin-top:64px;padding-top:18px;border-top:1px solid #e2e8f0;text-align:center;color:#94a3b8;font-family:ui-sans-serif,system-ui}footer a{color:inherit;text-decoration:none}footer a:hover{color:var(--amber-600)}@media (max-width:900px){.grid,.why{grid-template-columns:1fr}}.animate-marquee{display:inline-block;min-width:100%;animation:marquee 12s linear infinite}.announcement{width:100%;background:var(--soft);border:1px solid rgba(15,23,42,.08);border-left:4px solid var(--amber-600);border-radius:var(--radius);padding:10px 12px;margin:8px 0 18px;overflow:hidden;font-family:ui-sans-serif,system-ui;color:var(--text);box-shadow:0 1px 0 rgba(15,23,42,.04)}.announcement-track{display:inline-block;white-space:nowrap;will-change:transform;animation:sg-marquee 18s linear infinite}@keyframes sg-marquee{0%{transform:translateX(100%)}to{transform:translateX(-100%)}}.announcement-text{color:var(--amber-600);font-weight:600}@media (prefers-reduced-motion:reduce){.announcement-track{animation:none}}.announcement:hover .announcement-track{animation-play-state:paused}@keyframes marquee{0%{transform:translateX(0)}to{transform:translateX(-50%)}}