:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; color: #263440; background: #fafbfc; }
* { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 4px; }
a:hover { color: #1f6891; }
a:focus-visible, summary:focus-visible { outline: 2px solid #286c94; outline-offset: 5px; border-radius: 2px; }
.skip { position: fixed; z-index: 3; left: 12px; top: 12px; padding: 12px; background: white; transform: translateY(-180%); }
.skip:focus { transform: none; }
header { min-height: 76px; padding: 12px max(24px, calc((100vw - 1160px) / 2)); display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid #e1e6eb; background: #fff; }
.brand { display: flex; align-items: center; gap: 18px; min-height: 44px; font-size: 27px; font-weight: 650; letter-spacing: -.04em; text-decoration: none; }
.brand span { color: #64727f; font-size: 12px; font-weight: 400; letter-spacing: .06em; border-left: 1px solid #dce2e7; padding-left: 18px; }
.pdf { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; font-size: 13px; text-decoration: none; }
.layout { max-width: 1160px; margin: auto; display: grid; grid-template-columns: 232px minmax(0, 760px); gap: 68px; padding: 64px 24px 80px; }
aside { padding-top: 8px; }
details { position: sticky; top: 28px; }
summary { color: #6a7886; font-size: 12px; padding: 12px 0; cursor: pointer; }
nav { display: flex; flex-direction: column; margin-top: 8px; }
nav a { display: flex; align-items: center; min-height: 44px; padding: 7px 0; font-size: 13px; line-height: 1.55; color: #536372; text-decoration: none; }
main { min-width: 0; }
h1 { margin: 0 0 28px; font-size: clamp(25px, 3vw, 34px); font-weight: 600; line-height: 1.45; letter-spacing: -.035em; }
h2 { margin: 44px 0 18px; padding-top: 2px; font-size: 19px; font-weight: 600; line-height: 1.55; scroll-margin-top: 28px; }
p { margin: 0 0 18px; font-size: 15px; line-height: 1.95; overflow-wrap: anywhere; }
h1 + p, h1 + p + p { color: #657482; font-size: 13px; margin-bottom: 8px; }
h1 + p + p { margin-bottom: 28px; }
article a { color: #23678f; }
.table-wrap { margin: 24px 0; }
table { width: 100%; border-collapse: collapse; table-layout: fixed; font-size: 13px; line-height: 1.85; }
th, td { border: 1px solid #d9e1e8; padding: 12px; text-align: left; vertical-align: top; overflow-wrap: anywhere; }
th { font-weight: 500; background: #eef2f5; }
th:first-child, td:first-child { width: 20%; }
th:nth-child(2), td:nth-child(2) { width: 49%; }
footer { display: flex; flex-wrap: wrap; gap: 12px 28px; border-top: 1px solid #dce3e9; margin-top: 48px; padding-top: 24px; font-size: 13px; }
footer a { display: inline-flex; align-items: center; min-height: 44px; }
@media (max-width: 850px) { .layout { grid-template-columns: minmax(0, 1fr); gap: 24px; padding: 32px 24px 48px; max-width: 760px; } aside { padding: 0 0 16px; border-bottom: 1px solid #e0e6eb; } details { position: static; } nav { display: grid; grid-template-columns: 1fr 1fr; column-gap: 18px; } h1 { margin-bottom: 22px; } h2 { margin-top: 34px; } }
@media (max-width: 420px) { header { padding-inline: 20px; } .brand { gap: 12px; } .brand span { padding-left: 12px; } .layout { padding-inline: 20px; } nav a { font-size: 12px; } th, td { padding: 8px; } table { font-size: 12px; } }
@media print { :root { background: white; color: black; } header, aside, footer, .skip { display: none; } .layout { display: block; max-width: none; padding: 0; } h1 { font-size: 22px; } h2 { break-after: avoid; } p, tr { break-inside: avoid; } a { color: inherit !important; text-decoration: none; } }