:root { color-scheme: light; }
* { box-sizing: border-box; }
body { margin: 0; background: #f6f3ec; color: #1d1a16; font: 16px/1.55 "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", sans-serif; }
a { color: #0d5c4d; }
.top { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 28px 40px; background: #fffdf8; border-bottom: 1px solid #e4ddd0; }
.brand { display: flex; flex-direction: column; text-decoration: none; color: inherit; }
.brand-en { font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: #6d6458; }
.brand-zh { font-size: 28px; line-height: 1.2; font-weight: 650; }
nav { display: flex; gap: 18px; flex-wrap: wrap; }
.wrap { max-width: 920px; margin: 0 auto; padding: 28px 40px 72px; }
h1 { font-size: 36px; line-height: 1.25; margin: 0 0 12px; }
h2 { font-size: 22px; line-height: 1.3; margin: 28px 0 8px; }
.lead { font-size: 18px; }
.button, button { display: inline-block; background: #0d5c4d; color: white; text-decoration: none; border: 0; border-radius: 8px; padding: 10px 16px; font: inherit; cursor: pointer; }
.secondary, button.secondary { background: transparent; color: #0d5c4d; border: 1px solid #0d5c4d; }
form { display: grid; gap: 10px; max-width: 560px; margin: 12px 0 20px; }
label { display: grid; gap: 4px; }
input, select { font: inherit; padding: 8px 10px; border: 1px solid #d9d0c2; border-radius: 8px; background: white; width: 100%; }
table { width: 100%; border-collapse: collapse; background: white; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid #eee6d9; vertical-align: top; word-break: break-word; }
pre { white-space: pre-wrap; background: #fffdf8; border: 1px solid #e4ddd0; padding: 12px 14px; border-radius: 8px; }
.banner { background: #e7f4ef; padding: 10px 12px; border-radius: 8px; }
.banner.error { background: #fde8e4; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }