:root{ --amber:#F5B041; --blue:#1E4E78; --ink:#243143; --bg:#FAFCFF; }
*{box-sizing:border-box} html,body{margin:0;padding:0;background:var(--bg);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink)}
a{color:var(--blue);text-decoration:none} .container{max-width:1080px;margin:0 auto;padding:20px}
.top-banner{background:var(--amber);color:#0F2A44;font-weight:800} .top-banner .container{display:flex;align-items:center;min-height:44px}
.marquee{white-space:nowrap;overflow:hidden;width:100%} .marquee span{display:inline-block;padding-left:100%;animation:marquee 28s linear infinite}
@keyframes marquee{0%{transform:translateX(0)}100%{transform:translateX(-100%)}}
nav{background:#fff;border-bottom:1px solid #e8eef6;position:sticky;top:0;z-index:50} nav .container{display:flex;align-items:center;gap:14px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800} .brand img{width:36px;height:36px;border-radius:10px;border:2px solid #183149;object-fit:cover}
nav ul{list-style:none;display:flex;gap:14px;margin-left:auto;padding:0} nav a.tab{padding:10px 12px;border-radius:10px;color:#10263d;font-weight:700}
nav a.tab.active,nav a.tab:hover{background:#e8f0f8}
.subheader{background:rgba(245,176,65,.18);border-bottom:1px solid #f0e3cf;color:#1E4E78;font-weight:800} .subheader .container{display:flex;justify-content:center;align-items:center;padding:10px 20px}
.hero{display:grid;gap:16px;text-align:center;padding:28px 0} h1{font-size:clamp(2.1rem,3.2vw,2.8rem);color:#1E4E78;margin:4px 0}
.lead{color:#40546b;font-size:1.12rem;margin:0 auto;max-width:860px}
.hero-grid{display:grid;gap:18px;align-items:center} .hero-grid img{width:min(520px,46vw);height:auto;border-radius:18px;box-shadow:0 12px 38px rgba(16,42,66,.12)}
@media(min-width:980px){.hero-grid{grid-template-columns:1fr 1fr;text-align:left} .hero-grid .event-card{margin-left:8px}}
.card{background:#fff;border:1px solid #e8eef6;border-radius:18px;padding:18px 20px;box-shadow:0 10px 26px rgba(12,30,52,.06)}
.event-card h2{font-size:1.6rem;margin:0 0 8px} .event-card p{font-size:1.08rem;line-height:1.55} .event-card .big{font-size:1.18rem;font-weight:700}
.cards{display:grid;gap:16px;padding:14px 0} @media(min-width:980px){.cards{grid-template-columns:repeat(3,1fr)}}
.card-mini{background:#fff;border:1px solid #e8eef6;border-radius:16px;padding:16px 18px;box-shadow:0 8px 18px rgba(12,30,52,.06)}
.card-mini h3{margin:0 0 8px} .card-mini p{margin:0;color:#41556d} .card-mini a.btn{display:inline-block;margin-top:10px}
.btn-soft{display:inline-block;background:#E9F2FA;color:#1E4E78;padding:10px 14px;border-radius:12px;font-weight:800;border:2px solid #CFE2F3}
.btn-soft:hover{background:#1E4E78;color:#E9F2FA;border-color:#1E4E78}
.pill{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:999px;margin-right:8px;font-weight:900}
.i-btc{background:#F5B041;color:#1E4E78} .i-eth{background:#1E4E78;color:#F5B041}
.ribbon{background:#173b5a;border-top:4px solid #1E4E78;border-bottom:1px solid #10283e}
.ribbon .container{display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding:14px 20px} .ribbon .cta{font-weight:800;color:#fff}
.footer .container{display:flex;gap:18px;justify-content:space-between;align-items:center;flex-wrap:wrap}
.footer .meta{display:flex;gap:12px;align-items:center;flex-wrap:wrap} .footer .meta span{opacity:.9}
.hero-simple{padding:28px 0;text-align:center} .hero-simple h1{font-size:clamp(2rem,3.1vw,2.6rem);margin:0}
.learn-visual{display:flex; gap:10px; align-items:center; justify-content:center; margin:8px 0 0; color:#1E4E78; font-weight:800}
.learn-visual .pill{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:999px;background:#E9F2FA;border:2px solid #CFE2F3}
.tips{display:grid;gap:16px;padding:10px 0} @media(min-width:950px){.tips{grid-template-columns:repeat(2,1fr)}}
.tip{background:#fff;border:1px solid #e8eef6;border-radius:16px;padding:16px 18px;box-shadow:0 8px 18px rgba(12,30,52,.06)}
.tip h3{margin:0 0 6px} .tip p{margin:0;color:#41556d}
.callout-amber{background:rgba(245,176,65,.18); border:1px solid #f1d3a2; border-left:6px solid #F5B041; border-radius:14px; padding:14px 16px; color:#1E4E78; display:flex; gap:10px; align-items:flex-start; margin: 10px 0 26px;}
.about-hero{position:relative;overflow:hidden}
.about-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(245,176,65,.10), transparent 60%);pointer-events:none}
.coin-decor{position:absolute;opacity:.06;filter:blur(0.3px)} .coin-btc{top:8px;right:24px;font-size:82px;color:#F5B041}
.coin-eth{bottom:18px;left:30px;font-size:76px;color:#1E4E78} .coin-sol{top:40%;left:-6px;font-size:90px;color:#16a085}