:root {
    --primary: #86e100;
    --black: #111111;
    --dark: #1C1C1C;
    --mid: #2B2B2B;
    --light: #F5F5F5;
    --white: #ffffff;
    --text: #202020;
    --muted: #666666;
    --shadow: 0 18px 45px rgba(0,0,0,.08);
    --radius: 18px;
}
* { box-sizing: border-box; }
body { margin:0; font-family: Arial, Helvetica, sans-serif; color:var(--text); background:var(--light); line-height:1.65; }
img { max-width:100%; height:auto; display:block; }
a { color:inherit; text-decoration:none; }
header, .site-header { background: linear-gradient(135deg, var(--primary), #b9ff56); color:var(--black); position:sticky; top:0; z-index:50; box-shadow:0 10px 25px rgba(0,0,0,.08); }
.container { width:min(1120px, calc(100% - 32px)); margin:0 auto; }
.header-wrap { min-height:70px; display:flex; align-items:center; justify-content:space-between; gap:20px; }
.logo { display:flex; align-items:center; gap:10px; font-weight:800; font-size:22px; letter-spacing:.4px; }
.logo img { width:42px; height:42px; border-radius:12px; background:#fff; padding:4px; }
nav { position:absolute; left:16px; right:16px; top:76px; background:#fff; color:var(--black); border-radius:18px; padding:12px; display:none; box-shadow:var(--shadow); }
nav a { display:block; padding:12px 14px; border-radius:12px; font-weight:700; }
nav a:hover { background:rgba(134,225,0,.16); }
.nav-toggle { display:none; }
.mobile-nav { width:44px; height:44px; display:flex; flex-direction:column; justify-content:center; gap:6px; padding:10px; border-radius:14px; background:rgba(255,255,255,.4); cursor:pointer; }
.mobile-nav span { height:2px; background:var(--black); border-radius:2px; }
.nav-toggle:checked ~ nav { display:block; }
.hero, .banner { background:radial-gradient(circle at top right, rgba(134,225,0,.35), transparent 38%), linear-gradient(135deg, #111111, #222222); color:#fff; padding:54px 0; }
.hero-wrap { display:grid; gap:28px; align-items:center; }
.hero h1, .page-hero h1 { font-size:clamp(34px, 8vw, 62px); line-height:1.05; margin:0 0 18px; letter-spacing:-1.2px; }
.hero p, .page-hero p { color:#e8e8e8; font-size:17px; margin:0 0 22px; }
.hero-image { background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.14); border-radius:28px; padding:22px; box-shadow:0 25px 80px rgba(0,0,0,.28); }
.tags { display:flex; flex-wrap:wrap; gap:10px; margin:22px 0; }
.tag { background:rgba(134,225,0,.14); color:#ddffb8; border:1px solid rgba(134,225,0,.35); border-radius:999px; padding:8px 12px; font-size:14px; font-weight:700; }
section { padding:44px 0; }
.section-title { font-size:30px; line-height:1.2; margin:0 0 14px; color:var(--black); }
.section-lead { color:var(--muted); max-width:760px; margin:0 0 24px; }
.grid { display:grid; gap:18px; }
.card { background:var(--white); border-radius:var(--radius); padding:24px; box-shadow:var(--shadow); border:1px solid rgba(0,0,0,.05); }
.card h2, .card h3 { margin-top:0; color:var(--black); line-height:1.25; }
.card p:last-child { margin-bottom:0; }
.btn { display:inline-flex; align-items:center; justify-content:center; background:var(--primary); color:var(--black); padding:13px 22px; border-radius:999px; font-weight:800; box-shadow:0 10px 25px rgba(134,225,0,.24); border:0; min-height:48px; }
.btn:hover { transform:translateY(-1px); }
.notice { background:#111; color:#fff; border-left:6px solid var(--primary); border-radius:18px; padding:20px; box-shadow:var(--shadow); }
.notice strong { color:var(--primary); }
.faq { display:grid; gap:14px; }
.faq details { background:#fff; border-radius:16px; padding:18px 20px; box-shadow:var(--shadow); }
.faq summary { cursor:pointer; font-weight:800; color:#111; }
.page-hero { background:linear-gradient(135deg, #111, #2B2B2B); color:#fff; padding:46px 0; }
.steps { counter-reset: step; display:grid; gap:14px; }
.step { counter-increment: step; position:relative; padding-left:58px; }
.step:before { content:counter(step); position:absolute; left:0; top:0; width:38px; height:38px; border-radius:50%; background:var(--primary); color:#111; display:grid; place-items:center; font-weight:900; }
.inline-links { display:flex; flex-wrap:wrap; gap:10px; margin-top:18px; }
.inline-links a { color:#111; background:rgba(134,225,0,.18); padding:8px 12px; border-radius:999px; font-weight:700; }
.footer { background:linear-gradient(135deg, var(--primary), #111 34%); color:#f7f7f7; padding:42px 0 22px; margin-top:40px; }
.footer-grid { display:grid; gap:24px; }
.footer a { display:block; color:#fff; margin:8px 0; opacity:.9; }
.footer h3, .footer-brand { color:#fff; margin:0 0 12px; font-weight:900; font-size:22px; }
.footer p { color:#eeeeee; margin:8px 0; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.18); margin-top:26px; padding-top:16px; color:#e8e8e8; font-size:14px; }
@media (min-width: 768px) {
    nav { position:static; display:flex; align-items:center; gap:6px; background:transparent; box-shadow:none; padding:0; color:#111; }
    nav a { padding:9px 12px; }
    .mobile-nav { display:none; }
    .hero-wrap { grid-template-columns:1.08fr .92fr; }
    .grid.two { grid-template-columns:repeat(2,1fr); }
    .grid.three { grid-template-columns:repeat(3,1fr); }
    .footer-grid { grid-template-columns:1.5fr .8fr 1.2fr; }
}
@media (min-width: 1024px) {
    section { padding:58px 0; }
    .hero, .banner { padding:72px 0; }
    .card { padding:28px; }
}