:root { font: 16px/1.9 "Microsoft YaHei UI", "PingFang SC", "Segoe UI", sans-serif; color: #263c35; background: #fafcfb; letter-spacing: 0; }
* { box-sizing: border-box; }
body { margin: 0; }
main { max-width: 820px; margin: 0 auto; padding: 40px 24px 72px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 32px; border-bottom: 1px solid #dfe8e3; padding-bottom: 24px; }
header img { flex-shrink: 0; }
header strong { font: 700 24px/1.4 "Segoe UI", sans-serif; }
header p { margin: 0; font-size: 14px; color: #63786e; }
h1 { font-size: 28px; line-height: 1.5; margin: 0 0 16px; }
h2 { font-size: 19px; line-height: 1.6; margin-top: 30px; }
p, li { overflow-wrap: anywhere; }
li { margin-bottom: 10px; }
ul { padding-left: 24px; }
.meta { color: #63786e; font-size: 14px; }