:root{--brand:#16a34a;--brand-dark:#15803d;--bg:#fff;--text:#1e293b;--muted:#64748b;--border:#e2e8f0;--fast-bg:#1e293b;--aff-bg:#fef9c3;--aff-border:#fde047}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--text);background:var(--bg);line-height:1.65}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:860px;margin:0 auto;padding:0 20px}
.nav-bar{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px}
.site-header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.logo{font-size:1.3rem;font-weight:800;color:#1e293b;letter-spacing:-0.02em}
.logo span{color:var(--brand)}
.main-nav{display:flex;gap:20px;flex-wrap:wrap}
.main-nav a{font-size:0.875rem;font-weight:500;color:var(--muted)}
.main-nav a:hover{color:var(--brand);text-decoration:none}
.hero{background:linear-gradient(135deg,#f0fdf4 0%,#dcfce7 100%);padding:48px 0 32px;border-bottom:1px solid var(--border)}
.hero h1{font-size:2rem;font-weight:800;letter-spacing:-0.03em;line-height:1.2;margin-bottom:12px}
.hero-sub{font-size:1.05rem;color:var(--muted);max-width:640px;line-height:1.7}
.last-updated{font-size:0.82rem;color:var(--muted);margin-top:10px}
.breadcrumb{font-size:0.85rem;color:var(--muted);margin-bottom:10px}
.breadcrumb a{color:var(--muted)}
.fast-answer{background:var(--fast-bg);padding:32px 0}
.fast-answer h2{font-size:1.15rem;font-weight:700;color:#fff;margin-bottom:16px}
.answer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px}
.answer-item{background:rgba(255,255,255,0.08);border-radius:8px;padding:14px 16px}
.answer-item strong{display:block;font-size:0.9rem;color:#fff;margin-bottom:4px}
.answer-item p{font-size:0.82rem;color:#94a3b8;line-height:1.5}
.content-section{padding:36px 0}
.content-section h2{font-size:1.35rem;font-weight:700;margin:28px 0 12px;padding-top:8px;border-top:2px solid var(--border)}
.content-section h2:first-child{margin-top:0;border-top:none}
.content-section p{margin-bottom:14px;color:#334155;line-height:1.75}
.step-list{list-style:none;counter-reset:steps;margin:0 0 20px}
.step-list li{counter-increment:steps;display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--border)}
.step-list li::before{content:counter(steps);flex-shrink:0;width:28px;height:28px;background:var(--brand);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:0.8rem;font-weight:700;margin-top:2px}
.step-list li strong{display:block;margin-bottom:4px;color:var(--text)}
table{width:100%;border-collapse:collapse;margin:16px 0 24px;font-size:0.9rem}
th{background:#f8fafc;font-weight:600;text-align:left;padding:10px 14px;border:1px solid var(--border)}
td{padding:9px 14px;border:1px solid var(--border);vertical-align:top}
tr:nth-child(even) td{background:#fafafa}
.affiliate-box{background:var(--aff-bg);border:1px solid var(--aff-border);border-radius:10px;padding:20px 24px;margin:28px 0}
.affiliate-box strong{display:block;font-size:1rem;color:#713f12;margin-bottom:6px}
.affiliate-btn{display:inline-block;background:var(--brand);color:#fff;padding:10px 20px;border-radius:6px;font-weight:600;font-size:0.9rem;margin-top:10px;transition:background 0.15s}
.affiliate-btn:hover{background:var(--brand-dark);text-decoration:none}
.faq-item{border-top:1px solid var(--border);padding:18px 0}
.faq-item h3{font-size:1rem;font-weight:700;margin-bottom:8px}
.faq-item p{color:#334155;font-size:0.92rem}
.site-footer{background:#1e293b;color:#94a3b8;padding:40px 0 24px;margin-top:60px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:28px;margin-bottom:28px}
.footer-col h2{font-size:0.85rem;text-transform:uppercase;letter-spacing:.08em;color:#fff;margin-bottom:12px;font-weight:600}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:6px}
.footer-col ul a{color:#94a3b8;font-size:0.88rem}
.footer-col ul a:hover{color:#fff;text-decoration:none}
.footer-logo{font-size:1.4rem;font-weight:800;color:#fff;display:block;margin-bottom:8px}
.footer-logo span{color:var(--brand)}
.footer-tagline{font-size:0.82rem;line-height:1.6}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:18px;font-size:0.8rem}
@media(max-width:600px){.hero h1{font-size:1.55rem}.main-nav{gap:12px}.nav-bar{flex-wrap:wrap}}