:root {
    --primary: #fa0c0c;
    --black: #111111;
    --dark: #1C1C1C;
    --mid: #2B2B2B;
    --light: #F5F5F5;
    --white: #ffffff;
    --shadow: 0 14px 40px rgba(17,17,17,.10);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin:0; font-family: Arial, Helvetica, sans-serif; color: var(--black); background: var(--light); line-height:1.7; }
a { color: inherit; text-decoration: none; }
img { max-width:100%; height:auto; display:block; }
header.site-header { background: linear-gradient(135deg, var(--primary), #111111); color: var(--white); position: sticky; top:0; z-index:20; box-shadow: 0 8px 24px rgba(0,0,0,.16); }
.container { width:min(1120px, calc(100% - 32px)); margin:0 auto; }
.header-inner { display:flex; align-items:center; justify-content:space-between; padding:14px 0; gap:20px; }
.logo { display:flex; align-items:center; gap:10px; font-weight:800; letter-spacing:.5px; font-size:1.2rem; }
.logo img { width:42px; height:42px; border-radius:12px; background:#fff; padding:4px; }
nav { display:flex; gap:10px; align-items:center; }
nav a { padding:10px 12px; border-radius:999px; font-weight:700; font-size:.95rem; }
nav a:hover { background: rgba(255,255,255,.16); }
.desktop-nav { display:none; }
.mobile-nav { display:grid; grid-template-columns:repeat(4,1fr); border-top:1px solid rgba(255,255,255,.18); padding:6px 8px 10px; text-align:center; }
.mobile-nav a { font-size:.82rem; padding:8px 4px; }
.hero { padding:42px 0 28px; background: radial-gradient(circle at top right, rgba(250,12,12,.15), transparent 40%), var(--light); }
.banner { display:grid; gap:24px; align-items:center; background:#fff; border-radius:24px; padding:24px; box-shadow:var(--shadow); overflow:hidden; }
.banner h1 { font-size:clamp(2rem, 7vw, 4.2rem); line-height:1.1; margin:0 0 16px; color:var(--black); }
.banner p { margin:0 0 18px; color:#424242; font-size:1.05rem; }
.banner-image { background:linear-gradient(150deg, rgba(250,12,12,.16), #fff); border-radius:22px; padding:18px; }
.tags { display:flex; flex-wrap:wrap; gap:10px; margin:20px 0; }
.tag { display:inline-flex; padding:8px 12px; background:rgba(250,12,12,.10); color:var(--primary); border-radius:999px; font-weight:700; font-size:.9rem; }
section { padding:34px 0; }
.section-title { font-size:clamp(1.6rem, 4vw, 2.4rem); margin:0 0 16px; }
.grid { display:grid; gap:18px; }
.card { background:#fff; border-radius:18px; padding:22px; box-shadow:var(--shadow); border:1px solid rgba(17,17,17,.06); }
.card h2, .card h3 { margin-top:0; line-height:1.25; }
.card p:last-child { margin-bottom:0; }
.btn { display:inline-flex; align-items:center; justify-content:center; padding:13px 20px; min-height:48px; border-radius:999px; background:var(--primary); color:#fff; font-weight:800; box-shadow:0 10px 24px rgba(250,12,12,.28); border:0; cursor:pointer; }
.btn:hover { transform:translateY(-1px); }
.notice { border-left:5px solid var(--primary); background:#fff; border-radius:18px; padding:18px; box-shadow:var(--shadow); }
.notice strong { color:var(--primary); }
.faq { display:grid; gap:14px; }
.faq details { background:#fff; border-radius:16px; padding:18px; box-shadow:var(--shadow); }
.faq summary { cursor:pointer; font-weight:800; }
.inline-links { display:flex; flex-wrap:wrap; gap:10px; margin-top:18px; }
.inline-links a { color:var(--primary); font-weight:800; }
.step-list { counter-reset:step; display:grid; gap:14px; padding:0; margin:0; list-style:none; }
.step-list li { counter-increment:step; background:#fff; border-radius:16px; padding:18px; box-shadow:var(--shadow); }
.step-list li::before { content: counter(step); display:inline-flex; align-items:center; justify-content:center; width:30px; height:30px; margin-right:10px; border-radius:50%; background:var(--primary); color:#fff; font-weight:800; }
.footer { background:linear-gradient(135deg, #111111, var(--primary)); color:#fff; padding:36px 0; margin-top:32px; }
.footer-grid { display:grid; gap:22px; }
.footer h2 { margin:0 0 10px; }
.footer-links { display:flex; flex-wrap:wrap; gap:10px; }
.footer-links a { padding:8px 10px; border-radius:999px; background:rgba(255,255,255,.12); }
.footer-note strong { display:inline-flex; border:2px solid #fff; border-radius:999px; padding:5px 10px; margin-bottom:8px; }
@media (min-width: 768px) {
    .desktop-nav { display:flex; }
    .mobile-nav { display:none; }
    .banner { grid-template-columns: 1.2fr .8fr; padding:34px; }
    .grid.two { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .grid.three { grid-template-columns: repeat(3, minmax(0,1fr)); }
    .footer-grid { grid-template-columns: 1.2fr .8fr 1.2fr; }
}
@media (min-width: 1024px) {
    section { padding:46px 0; }
    .banner { padding:46px; }
    .card { padding:28px; }
}