:root { color-scheme: light; --background: #dfeaf1; --paper: #f8fbfd; --ink: #18334b; --muted: #536b7b; --brand: #215fba; --teal: #16837f; --line: #d4e2e9; --focus: #2374cb; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(ellipse at 0 0, #d5e5f7 0, transparent 60%), radial-gradient(ellipse at 100% 15%, #d7eeeb 0, transparent 60%), var(--background); color: var(--ink); font: 1rem/1.75 "Avenir Next", "Segoe UI", "PingFang SC", "Microsoft JhengHei", sans-serif; }
header, main, footer { width: min(72rem, calc(100% - 4rem)); margin-inline: auto; }
header { display: flex; align-items: center; justify-content: space-between; gap: 1.4rem; padding: 1.8rem 0; color: #18334b; }
header a { color: inherit; text-decoration: none; }
.wordmark { display: inline-flex; align-items: center; gap: 1rem; white-space: nowrap; }
.brand-name { font: 600 1.6rem/1 Georgia, "Times New Roman", serif; letter-spacing: .13em; }
.product-name { padding-left: 1rem; border-left: 1px solid #9bb7c6; color: #536b7b; font-size: .9rem; }
nav { display: flex; align-items: center; flex-wrap: wrap; gap: 1.35rem; font-size: .87rem; }
header nav a { color: #405d70; }
header nav a:hover { color: #215fba; }
select { max-width: 100%; padding: .4rem 1.25rem .4rem .25rem; border: 0; border-radius: 0; font: inherit; color: #405d70; background: transparent; cursor: pointer; }
select option { background: var(--paper); color: var(--ink); }
[hidden] { display: none !important; }
main { color-scheme: light; padding: 3.5rem 4rem; background: linear-gradient(135deg, #ffffff, var(--paper) 55%, #edf6f6); border: 1px solid #cadde7; border-radius: 1.6rem; box-shadow: 0 0 0 3px #ffffff55, 0 24px 65px #18334b10; }
.document-page main > section { max-width: 44rem; margin-inline: auto; }
h1, h2 { font-family: Georgia, "Times New Roman", "Songti SC", "Songti TC", serif; font-weight: 500; }
h1 { font-size: clamp(2.1rem, 4vw, 3rem); line-height: 1.25; letter-spacing: -.025em; margin: 0 0 1rem; }
h2 { font-size: 1.35rem; line-height: 1.4; margin: 2rem 0 .65rem; }
p, ul, ol { margin: .65rem 0 1rem; }
li { padding-left: .15rem; margin-block: .35rem; }
a { color: var(--brand); text-underline-offset: .22em; overflow-wrap: anywhere; }
a:hover { color: #16458d; }
a:focus-visible, select:focus-visible { outline: 2px solid var(--focus); outline-offset: 5px; }
.meta { color: var(--muted); font-size: .86rem; margin-bottom: 1.6rem; }
.contact { margin: .8rem 0; }
.draft { border: 1px solid var(--brand); padding: .6rem 1rem; margin-bottom: 1.5rem; }
footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; padding: 1.8rem 0 2.4rem; color: #536b7b; font-size: .78rem; }
footer a { color: #405d70; text-decoration: none; margin-left: 1.4rem; }
footer a:hover { color: #215fba; }
.legal-layout { display: grid; grid-template-columns: 13rem minmax(0, 1fr); gap: 3rem; }
.legal-nav { display: block; align-self: start; border-right: 1px solid var(--line); padding-right: 1.5rem; font-size: .9rem; }
.legal-nav p { font-size: .75rem; letter-spacing: .02em; color: var(--muted); margin: 1.6rem 0 .5rem; }
.legal-nav p:first-child { margin-top: 0; }
.legal-nav a { display: block; padding: .5rem .7rem; margin-left: -.7rem; color: var(--muted); text-decoration: none; border-radius: .35rem; }
.legal-nav a[aria-current="page"] { color: var(--brand); background: #215fba12; font-weight: 600; }
.legal-content { min-width: 0; max-width: 44rem; }
@media (max-width: 850px) { header, main, footer { width: calc(100% - 3rem); } header { flex-wrap: wrap; } main { padding: 2.5rem; } .legal-layout { grid-template-columns: 11rem minmax(0, 1fr); gap: 2rem; } }
@media (max-width: 600px) { header, main, footer { width: calc(100% - 2rem); } header { padding: 1.4rem 0; gap: 1rem; } header nav { gap: 1rem; font-size: .8rem; } main { padding: 1.7rem 1.4rem; border-radius: 1.2rem; } .brand-name { font-size: 1.4rem; } .legal-layout { grid-template-columns: 1fr; gap: 2rem; } .legal-nav { border-right: 0; border-bottom: 1px solid var(--line); padding: 0 0 1.2rem; display: flex; flex-wrap: wrap; gap: .3rem 1rem; } .legal-nav p { flex-basis: 100%; margin: .7rem 0 .2rem; } .legal-nav a { display: inline-block; margin: 0; padding: .3rem .5rem; } footer { font-size: .74rem; } footer a { margin: 0 1rem 0 0; } }

/* Documentation uses the same reading surface and category navigation. */
.docs-page table { width: 100%; border-collapse: collapse; font-size: .86rem; margin: 1rem 0 1.5rem; }
.docs-page th, .docs-page td { text-align: left; vertical-align: top; padding: .7rem .6rem; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
.docs-page th { font-weight: 600; color: var(--ink); }
.docs-page td:first-child { width: 35%; }
.docs-page code { font: .85em/1.6 ui-monospace, SFMono-Regular, Menlo, monospace; color: #16458d; overflow-wrap: anywhere; }
.doc-note { padding: .85rem 1rem; border-left: 3px solid var(--brand); background: #215fba08; border-radius: 0 .4rem .4rem 0; }
.docs-page article { scroll-margin-top: 1.5rem; }