* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: #000000; color: #fff; line-height: 1.7; }
header { display: flex; align-items: center; justify-content: space-between; padding: 20px 48px; border-bottom: 1px solid #2A2A2A; }
.logo { font-size: 22px; font-weight: 700; letter-spacing: -0.5px; color: #fff; text-decoration: none; }
nav a { color: #999999; text-decoration: none; margin-left: 28px; font-size: 15px; transition: color 0.15s; }
nav a:hover { color: #fff; }
main { max-width: 760px; margin: 60px auto; padding: 0 24px 80px; }
h1 { font-size: 36px; font-weight: 800; color: #fff; letter-spacing: -0.5px; margin-bottom: 8px; }
.date { color: #999999; font-size: 14px; margin-bottom: 48px; }
h2 { font-size: 20px; font-weight: 700; color: #fff; margin: 40px 0 12px; }
p { color: #999999; margin-bottom: 16px; }
ul { color: #999999; margin: 0 0 16px 24px; }
ul li { margin-bottom: 8px; }
a { color: #4D9FFF; }
a:hover { opacity: 0.8; }
.card { background: #111111; border: 1px solid #2A2A2A; border-radius: 16px; padding: 32px; margin-bottom: 24px; }
.card h2 { font-size: 18px; margin-top: 0; }
.card p { margin-bottom: 16px; }
.btn { display: inline-block; background: #4D9FFF; color: #000 !important; text-decoration: none; padding: 12px 24px; border-radius: 8px; font-size: 15px; font-weight: 700; transition: opacity 0.15s; }
.btn:hover { opacity: 0.85; }
.note { background: rgba(240,82,82,0.07); border: 1px solid rgba(240,82,82,0.2); border-radius: 12px; padding: 20px; margin-top: 24px; }
.note p { color: #CCCCCC; font-size: 14px; margin: 0; }
.note strong { color: #F05252; }
footer { text-align: center; padding: 32px 24px; border-top: 1px solid #2A2A2A; color: #999999; font-size: 14px; }
footer a { color: #999999; text-decoration: none; margin: 0 12px; transition: color 0.15s; }
footer a:hover { color: #fff; }
@media (max-width: 600px) { header { padding: 16px 20px; } nav a { margin-left: 16px; font-size: 14px; } main { margin: 32px auto; } }