:root { color: #172033; background: #f4f8f7; font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; }
.page { max-width: 900px; margin: 0 auto; padding: 28px 24px 40px; }
.brand { display: inline-flex; align-items: center; gap: 14px; color: #172033; font-weight: 700; text-decoration: none; }
.brand-logo { width: 40px; height: 40px; border-radius: 10px; object-fit: cover; box-shadow: 0 5px 14px #13232b28; }
.document { margin-top: 48px; padding: clamp(28px, 6vw, 56px); border: 1px solid #dbe7e3; border-radius: 28px; background: #fff; box-shadow: 0 18px 45px #17342d12; }
h1 { margin: 0; font-size: clamp(32px, 5vw, 48px); letter-spacing: -.04em; }
.updated { margin: 14px 0 36px; color: #647280; }
h2 { margin: 34px 0 12px; color: #075a4d; font-size: 21px; }
p, li { color: #435160; line-height: 1.9; }
ul { padding-left: 1.3em; }
footer { margin-top: 50px; padding-top: 24px; border-top: 1px solid #cfded9; color: #5f6d6a; text-align: center; font-size: 14px; line-height: 1.9; }
footer a { text-decoration: none; }
footer a:hover, .document a:hover { text-decoration: underline; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 16px; margin-top: 4px; }
@media (max-width: 760px) { .page { padding: 20px 16px 26px; } .document { margin-top: 32px; padding: 30px 24px; } }