* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; background: #fafafa; color: #222; line-height: 1.6; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
header { background: #fff; border-bottom: 1px solid #eee; padding: 16px 0; position: sticky; top: 0; z-index: 100; }
header .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.logo { font-size: 1.4rem; font-weight: 700; color: #1a73e8; letter-spacing: 0.5px; }
.nav-links { display: flex; gap: 24px; flex-wrap: wrap; }
.nav-links a { text-decoration: none; color: #444; font-size: 0.95rem; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: #1a73e8; }
h1 { font-size: 2rem; font-weight: 700; margin: 40px 0 16px; color: #111; text-align: center; }
h2 { font-size: 1.6rem; font-weight: 600; margin: 48px 0 24px; color: #111; text-align: center; }
p, li { color: #444; }
.card { background: #fff; border: 1px solid #eee; border-radius: 12px; padding: 24px; margin-bottom: 20px; transition: box-shadow 0.2s; }
.card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.04); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
img { max-width: 100%; height: auto; border-radius: 8px; display: block; }
.hero { background: linear-gradient(145deg, #fff 0%, #f5f7fa 100%); padding: 48px 0; border-bottom: 1px solid #eee; }
.hero .container { display: flex; align-items: center; gap: 40px; flex-wrap: wrap; }
.hero-text { flex: 1; min-width: 280px; }
.hero-text h2 { font-size: 2.2rem; text-align: left; margin: 0 0 16px; }
.hero-text p { font-size: 1.05rem; margin-bottom: 20px; }
.hero-img { flex: 1; min-width: 280px; }
.btn { display: inline-block; background: #1a73e8; color: #fff; padding: 12px 32px; border-radius: 40px; text-decoration: none; font-weight: 600; transition: background 0.2s; }
.btn:hover { background: #1557b0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat-item { text-align: center; padding: 20px; }
.stat-number { font-size: 2.2rem; font-weight: 700; color: #1a73e8; }
.stat-label { font-size: 0.9rem; color: #666; margin-top: 4px; }
.advantages-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.advantage-item { background: #fff; border: 1px solid #eee; border-radius: 12px; padding: 24px; }
.advantage-item h3 { font-size: 1.1rem; margin-bottom: 8px; color: #111; }
.news-item { margin-bottom: 16px; }
.news-item h3 { font-size: 1.15rem; margin-bottom: 6px; }
.news-date { font-size: 0.85rem; color: #888; margin-bottom: 8px; display: block; }
.news-summary { font-size: 0.95rem; color: #555; }
.faq-item { margin-bottom: 16px; }
.faq-question { font-weight: 600; cursor: pointer; color: #111; padding: 12px 0; border-bottom: 1px solid #eee; }
.faq-answer { padding: 12px 0; color: #555; font-size: 0.95rem; }
footer { background: #fff; border-top: 1px solid #eee; padding: 40px 0; margin-top: 60px; font-size: 0.9rem; color: #666; }
footer .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; }
footer a { color: #1a73e8; text-decoration: none; }
footer a:hover { text-decoration: underline; }
.footer-links { display: flex; flex-wrap: wrap; gap: 12px; }
.friend-links { margin-top: 16px; width: 100%; }
.friend-links a { margin: 0 8px; }
.copyright { width: 100%; text-align: center; margin-top: 24px; color: #999; }
@media (max-width: 768px) {
  .grid-2, .grid-3, .stats-grid, .advantages-grid { grid-template-columns: 1fr; }
  .hero .container { flex-direction: column; }
  header .container { flex-direction: column; gap: 12px; }
  .nav-links { justify-content: center; }
}