body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);margin:0}
.container{width:min(1200px,92%);margin:0 auto}
.section{padding:48px 0}
.section-title{margin:0 0 20px;font-size:clamp(24px,3vw,36px)}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:var(--radius-btn);background:var(--primary);color:#fff;text-decoration:none;border:0;cursor:pointer}
.btn-accent{background:var(--accent)}
.card{background:#fff;border-radius:var(--radius-card);box-shadow:var(--shadow-soft);padding:16px}
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag{background:#e5edff;color:#174ea6;padding:8px 12px;border-radius:999px;font-size:14px}
.site-header{background:#fff;border-bottom:1px solid #e5e7eb;position:sticky;top:0;z-index:50}
.header-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0}
.logo{text-decoration:none;color:var(--text);font-weight:700}
.header-right{display:flex;align-items:center;gap:12px}
.hero-search{display:flex;gap:10px;flex-wrap:wrap}
.hero-search input{flex:1;min-width:240px;padding:12px;border-radius:10px;border:1px solid #d1d5db}
.footer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;padding:40px 0}
.footer-grid ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.footer-grid a{text-decoration:none;color:#374151}