/* Product-site subpages: same paper/green language as the homepage, no webfonts. */
:root {
  --paper: #f7f8f4;
  --card: #ffffff;
  --ink: #16271e;
  --muted: #52645b;
  --line: #d9e3d6;
  --green: #176842;
  --green-dark: #0d5030;
  --tint: #e9f2e9;
  --amber: #8a5a12;
  --amber-tint: #fdf3e2;
  --serif: Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--paper); color: var(--ink); font: 16px/1.7 var(--sans); letter-spacing: -.011em; }
a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { width: min(1080px, calc(100% - 48px)); margin: 0 auto; }
header { position: sticky; top: 0; z-index: 20; background: rgba(247,248,244,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 750; color: var(--ink); }
.brand-mark { width: 26px; height: 26px; border-radius: 8px; background: var(--green); color: #fff; display: inline-grid; place-items: center; font-size: 13px; }
.navlinks { display: flex; gap: 22px; font-size: 13px; color: var(--muted); }
.navlinks a { color: inherit; }
.navlinks a[aria-current="page"] { color: var(--ink); font-weight: 650; }
.nav-right { display: flex; align-items: center; gap: 16px; }
.langs { display: flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.langs button { border: 0; background: transparent; padding: 5px 10px; font: inherit; font-size: 11px; color: var(--muted); cursor: pointer; }
.langs button[aria-pressed="true"] { background: var(--ink); color: #fff; }
[data-lang] { display: none; }
html[lang="en"] [data-lang="en"], html[lang="zh-CN"] [data-lang="zh"] { display: revert; }
h1, h2, h3 { letter-spacing: -.03em; }
.hero { padding: 76px 0 38px; display: grid; grid-template-columns: 1.25fr .75fr; gap: 48px; align-items: end; }
.kicker { color: var(--green); font-size: 11px; font-weight: 750; letter-spacing: .14em; text-transform: uppercase; }
.hero h1 { font: 500 clamp(38px, 5vw, 58px)/1.08 var(--serif); margin: 14px 0 18px; }
.lead { color: var(--muted); font-size: 17px; max-width: 620px; }
.buttons { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 26px; }
.btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); border-radius: 10px; padding: 10px 16px; font-size: 13px; font-weight: 650; color: var(--ink); background: #fff; }
.btn:hover { text-decoration: none; border-color: var(--ink); }
.btn.primary { background: var(--green); border-color: var(--green); color: #fff; }
.btn.primary:hover { background: var(--green-dark); }
.note { border: 1px solid #ecd6a6; background: var(--amber-tint); color: var(--amber); border-radius: 12px; padding: 14px 16px; font-size: 12px; line-height: 1.8; }
.section { padding: 40px 0; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 22px; }
.section h2 { font: 500 clamp(26px, 3vw, 34px)/1.15 var(--serif); }
.section-head p { color: var(--muted); font-size: 13px; max-width: 480px; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.card h3 { font-size: 16px; display: flex; align-items: center; gap: 8px; }
.badge { display: inline-flex; align-items: center; border-radius: 999px; padding: 2px 8px; font-size: 10px; font-weight: 700; letter-spacing: .04em; }
.badge.green { background: var(--tint); color: var(--green); }
.badge.amber { background: var(--amber-tint); color: var(--amber); }
.card p { color: var(--muted); font-size: 13px; margin: 8px 0 12px; }
.card ol, .card ul { margin: 8px 0 0 18px; color: var(--muted); font-size: 13px; line-height: 1.9; }
.card li { margin-bottom: 4px; }
.card .links { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 14px; font-size: 12px; font-weight: 650; }
code, pre { font-family: var(--mono); }
code { background: #eef3ec; border-radius: 5px; padding: 1px 5px; font-size: .88em; }
pre { background: #101914; color: #dce8e0; border-radius: 10px; padding: 14px 16px; font-size: 12px; line-height: 1.8; overflow: auto; margin: 10px 0 0; }
pre code { background: transparent; padding: 0; color: inherit; }
table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
th { text-align: left; color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .08em; border-bottom: 1px solid var(--line); padding: 8px 10px; }
td { border-bottom: 1px solid #edf2ea; padding: 10px; vertical-align: top; }
td code { white-space: nowrap; }
.hosted { border: 1px solid var(--line); background: linear-gradient(135deg, #edf4ea, #fff); border-radius: 16px; padding: 24px; display: flex; justify-content: space-between; gap: 26px; align-items: center; }
.hosted h2 { font-size: 22px; }
.hosted p { color: var(--muted); font-size: 13px; margin: 6px 0 0; max-width: 620px; }
footer { border-top: 1px solid var(--line); margin-top: 54px; padding: 26px 0 40px; color: var(--muted); font-size: 12px; }
footer .inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
footer a { color: var(--muted); margin-right: 14px; }
@media (max-width: 820px) {
  .wrap { width: calc(100% - 32px); }
  .nav { flex-wrap: wrap; padding: 10px 0; }
  .nav-right { width: 100%; justify-content: space-between; gap: 10px; }
  .navlinks { display: flex; flex: 1; gap: 14px; overflow-x: auto; font-size: 12px; padding-bottom: 2px; }
  .navlinks a { white-space: nowrap; }
  .hero { grid-template-columns: 1fr; padding: 40px 0 20px; gap: 28px; }
  .grid { grid-template-columns: 1fr; }
  .hosted { flex-direction: column; align-items: flex-start; }
  .section-head { flex-direction: column; align-items: flex-start; }
}