*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root { --green: #18d26e; --bg: #0a0a0f; --bg2: #111118; --bg3: #16161f; --border: rgba(255,255,255,0.08); --text: #f0f0f8; --muted: #888899; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; background: var(--bg); color: var(--text); line-height: 1.7; }
a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }
nav { display: flex; align-items: center; justify-content: space-between; padding: 16px 40px; background: rgba(10,10,15,0.95); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; backdrop-filter: blur(12px); }
.logo { font-size: 17px; font-weight: 800; color: var(--text); }
.logo em { color: var(--green); font-style: normal; }
.nav-cta { display: inline-flex; align-items: center; gap: 7px; background: var(--green); color: #000; font-weight: 700; font-size: 13px; padding: 10px 20px; border-radius: 8px; }
.hero-seo { background: var(--bg2); padding: 60px 24px 48px; text-align: center; border-bottom: 1px solid var(--border); }
.hero-seo .breadcrumb { font-size: 12px; color: var(--muted); margin-bottom: 16px; }
.hero-seo .breadcrumb a { color: var(--muted); }
.hero-seo h1 { font-size: clamp(28px, 4vw, 44px); font-weight: 900; letter-spacing: -1.5px; line-height: 1.1; margin-bottom: 14px; max-width: 700px; margin-left: auto; margin-right: auto; }
.hero-seo p { font-size: 17px; color: var(--muted); max-width: 580px; margin: 0 auto 24px; }
.meta { font-size: 12px; color: var(--muted); display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
.meta span { display: flex; align-items: center; gap: 5px; }
.content { max-width: 760px; margin: 0 auto; padding: 60px 24px; }
.toc { background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; padding: 24px 28px; margin-bottom: 48px; }
.toc h3 { font-size: 14px; font-weight: 700; margin-bottom: 14px; color: var(--green); letter-spacing: 1px; text-transform: uppercase; }
.toc ol { padding-left: 20px; display: flex; flex-direction: column; gap: 6px; }
.toc li { font-size: 14px; }
h2 { font-size: clamp(22px, 3vw, 30px); font-weight: 800; letter-spacing: -0.5px; margin: 48px 0 16px; }
h3 { font-size: 18px; font-weight: 700; margin: 32px 0 12px; }
p { font-size: 16px; color: var(--muted); margin-bottom: 16px; }
p strong { color: var(--text); }
ul, ol { padding-left: 20px; margin-bottom: 16px; display: flex; flex-direction: column; gap: 8px; }
li { font-size: 15px; color: var(--muted); }
li strong { color: var(--text); }
.card { background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; padding: 22px 24px; margin-bottom: 12px; }
.card h3 { font-size: 16px; font-weight: 700; margin: 0 0 8px; color: var(--text); }
.card p { font-size: 14px; margin: 0; }
.card .tag { font-size: 11px; font-weight: 700; color: var(--green); letter-spacing: 1px; margin-bottom: 6px; text-transform: uppercase; }
.warning-box { background: rgba(255,165,0,0.07); border: 1px solid rgba(255,165,0,0.25); border-radius: 10px; padding: 18px 22px; margin: 24px 0; }
.warning-box p { font-size: 14px; color: #ffb347; margin: 0; }
.tip-box { background: rgba(24,210,110,0.06); border: 1px solid rgba(24,210,110,0.2); border-radius: 10px; padding: 18px 22px; margin: 24px 0; }
.tip-box p { font-size: 14px; color: var(--green); margin: 0; }
.cta-box { background: var(--green); color: #000; border-radius: 16px; padding: 40px; text-align: center; margin: 56px 0; }
.cta-box h3 { font-size: 24px; font-weight: 900; letter-spacing: -0.5px; margin-bottom: 10px; }
.cta-box p { color: rgba(0,0,0,0.7); font-size: 15px; margin-bottom: 24px; }
.cta-box a { display: inline-flex; align-items: center; gap: 8px; background: #000; color: #fff; font-weight: 800; font-size: 15px; padding: 14px 32px; border-radius: 10px; text-decoration: none; }
.price-table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.price-table th { background: var(--bg3); padding: 12px 16px; text-align: left; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--muted); border-bottom: 1px solid var(--border); }
.price-table td { padding: 14px 16px; font-size: 14px; border-bottom: 1px solid var(--border); color: var(--muted); }
.price-table td strong { color: var(--text); }
.price-table tr:last-child td { border: none; }
.price-table tr:hover td { background: rgba(255,255,255,0.01); }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 24px 0; }
.compare-item { background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 20px; }
.compare-item h4 { font-size: 14px; font-weight: 700; margin-bottom: 10px; }
.compare-item ul { padding-left: 16px; }
.compare-item li { font-size: 13px; }
.step-list { display: flex; flex-direction: column; gap: 16px; margin: 24px 0; }
.step-item { display: flex; gap: 16px; align-items: flex-start; }
.step-num { width: 28px; height: 28px; border-radius: 50%; background: var(--green); color: #000; font-weight: 900; font-size: 13px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 2px; }
.step-item h4 { font-size: 15px; font-weight: 700; margin-bottom: 4px; color: var(--text); }
.step-item p { font-size: 13px; margin: 0; }
footer { background: var(--bg2); border-top: 1px solid var(--border); padding: 28px 24px; text-align: center; font-size: 13px; color: var(--muted); }
footer a { color: var(--green); }
@media (max-width: 600px) { nav { padding: 14px 20px; } .content { padding: 40px 20px; } .compare-grid { grid-template-columns: 1fr; } }