* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif; color: #222; line-height: 1.65; }
a { color: #0e7c7b; }
header { background: #16324f; color: #fff; padding: 14px 24px; display: flex; justify-content: space-between; align-items: center; }
header .brand { font-size: 22px; font-weight: 700; letter-spacing: 0.5px; }
header nav a { color: #fff; text-decoration: none; margin-left: 18px; font-size: 14px; }
.hero { background: #1e4a73; color: #fff; padding: 64px 24px; }
.hero h1 { font-size: 38px; line-height: 1.25; margin: 0 0 14px 0; max-width: 900px; }
.hero p { font-size: 18px; max-width: 820px; margin: 0 0 20px 0; color: #dbe7f3; }
.btn { display: inline-block; background: #0e7c7b; color: #fff !important; padding: 11px 22px; border-radius: 4px; text-decoration: none; font-weight: 600; }
section { padding: 44px 24px; max-width: 1080px; margin: 0 auto; }
section h2 { font-size: 26px; color: #16324f; border-bottom: 3px solid #0e7c7b; padding-bottom: 8px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; margin-top: 18px; }
.card { background: #f4f7fa; border: 1px solid #dde5ec; border-radius: 6px; padding: 18px; }
.card h3 { margin-top: 0; color: #16324f; }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 18px; margin-top: 18px; }
.step b { color: #0e7c7b; font-size: 20px; }
.contact { background: #f4f7fa; border: 1px solid #dde5ec; border-radius: 6px; padding: 22px; }
footer { background: #16324f; color: #c9d6e3; text-align: center; padding: 20px; font-size: 14px; }
header .brand a { color: #fff; text-decoration: none; }
.page-hero { padding: 44px 24px; }
.page-hero h1 { font-size: 32px; }
.prose li { margin-bottom: 8px; }
.prose .back { margin-top: 28px; }
@media (max-width: 600px) { .hero h1 { font-size: 28px; } header nav a { margin-left: 10px; } }