:root{
  --orange:#fb9609;
  --black:#111111;
  --deep:#1C1C1C;
  --mid:#2B2B2B;
  --light:#F5F5F5;
  --white:#ffffff;
  --text:#222222;
  --muted:#666666;
  --border:#e8e8e8;
  --shadow:0 14px 35px rgba(0,0,0,.08);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--light);color:var(--text);line-height:1.65;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
header,.site-header{background:var(--black);color:var(--white);position:sticky;top:0;z-index:30;box-shadow:0 8px 22px rgba(0,0,0,.18)}
.container{width:min(1120px,calc(100% - 32px));margin:0 auto}
.header-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:72px;flex-wrap:wrap;padding:10px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.04em;color:var(--white)}
.logo img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff}
.logo span{font-size:1.25rem}
nav,.desktop-nav,.mobile-nav{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
nav a,.desktop-nav a,.mobile-nav a{padding:9px 12px;border-radius:999px;color:#f2f2f2;font-weight:600;font-size:.95rem}
nav a:hover,.desktop-nav a:hover,.mobile-nav a:hover{background:rgba(251,150,9,.18);color:#fff}
.mobile-nav{width:100%;justify-content:center;border-top:1px solid rgba(255,255,255,.08);padding-top:10px}
.desktop-nav{display:none}
.hero,.banner{background:linear-gradient(135deg,var(--black),var(--deep) 55%,#33200c);color:var(--white);padding:48px 0 36px;overflow:hidden}
.hero-grid{display:grid;gap:28px;align-items:center}
.hero h1,.banner h1{font-size:2.15rem;line-height:1.15;margin:0 0 16px;letter-spacing:-.03em}
.hero p,.banner p{color:#e8e8e8;margin:0 0 18px;font-size:1.05rem}
.hero-image{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:26px;padding:18px;box-shadow:0 20px 50px rgba(0,0,0,.28)}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 0;padding:0;list-style:none}
.tag-list li,.tag{background:rgba(251,150,9,.14);color:#ffd9aa;border:1px solid rgba(251,150,9,.35);padding:8px 12px;border-radius:999px;font-size:.9rem;font-weight:700}
section{padding:44px 0}
.section-title{font-size:1.75rem;line-height:1.2;margin:0 0 14px;color:var(--black);letter-spacing:-.02em}
.section-lead{margin:0 0 22px;color:var(--muted);max-width:780px}
.grid{display:grid;gap:18px}
.card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.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(--orange);color:#111;font-weight:800;padding:13px 20px;border-radius:999px;border:0;box-shadow:0 10px 24px rgba(251,150,9,.28);transition:transform .2s ease,box-shadow .2s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(251,150,9,.34)}
.notice{background:#fff7ec;border:1px solid rgba(251,150,9,.35);border-left:5px solid var(--orange);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.notice strong{color:#111}
.faq{display:grid;gap:14px}
.faq-item{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.faq-item h2,.faq-item h3{font-size:1.08rem;margin:0 0 8px;color:var(--black)}
.link-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.link-row a{color:var(--black);font-weight:700;border-bottom:2px solid var(--orange)}
.cta-box{background:var(--deep);color:#fff;border-radius:24px;padding:26px;box-shadow:0 18px 40px rgba(0,0,0,.18)}
.cta-box p{color:#e9e9e9}
.steps{counter-reset:step;display:grid;gap:14px;padding:0;margin:20px 0;list-style:none}
.steps li{counter-increment:step;background:#fff;border:1px solid var(--border);border-radius:18px;padding:18px 18px 18px 58px;position:relative;box-shadow:var(--shadow)}
.steps li:before{content:counter(step);position:absolute;left:18px;top:18px;width:28px;height:28px;border-radius:50%;background:var(--orange);display:grid;place-items:center;font-weight:800;color:#111}
.footer{background:var(--black);color:#f2f2f2;padding:42px 0 22px;margin-top:30px}
.footer-grid{display:grid;gap:24px}
.footer a{display:block;color:#e6e6e6;margin:8px 0}
.footer h3{margin:0 0 10px;color:#fff}
.footer-brand{font-size:1.45rem;font-weight:900;color:#fff;margin-bottom:10px}
.footer p{color:#d7d7d7;margin:8px 0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:24px;padding-top:18px;color:#cfcfcf;font-size:.9rem}
@media (min-width:768px){
  body{font-size:17px}
  .mobile-nav{display:none}
  .desktop-nav{display:flex}
  .header-wrap{flex-wrap:nowrap;min-height:78px}
  .hero,.banner{padding:72px 0 56px}
  .hero-grid{grid-template-columns:1.08fr .92fr}
  .hero h1,.banner h1{font-size:3.1rem}
  .grid.two{grid-template-columns:repeat(2,1fr)}
  .grid.three{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1.3fr .7fr 1fr}
}
@media (min-width:1024px){
  .hero h1,.banner h1{font-size:3.75rem}
  section{padding:58px 0}
  .card{padding:26px}
  .grid.four{grid-template-columns:repeat(4,1fr)}
}