:root {
  color-scheme: light;
  --ink: #122623;
  --muted: #465d55;
  --paper: #f5f6ef;
  --line: #d5ded2;
  --green: #c8f3a2;
  --forest: #132e29;
  font: 100%/1.6 system-ui, -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); }
a { color: inherit; text-underline-offset: .22em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid #488f55; outline-offset: 4px; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { line-height: 1.1; text-wrap: balance; }
h1 { font-size: clamp(2.6rem, 7.8vw, 6.9rem); letter-spacing: -.073em; }
h2 { font-size: clamp(1.8rem, 4.3vw, 3.25rem); letter-spacing: -.05em; }
h3 { font-size: 1.35rem; letter-spacing: -.026em; }
:lang(zh-CN) h1, :lang(zh-CN) h2, :lang(zh-CN) h3 { letter-spacing: -.035em; }
.wrap { width: min(1120px, calc(100% - 2 * clamp(1rem, 5vw, 3rem))); margin-inline: auto; }
.skip { position: absolute; left: 1rem; top: 1rem; transform: translateY(-200%); background: white; padding: .5rem 1rem; z-index: 3; }
.skip:focus { transform: none; }
.site-header { background: #fcfdf8; border-bottom: 1px solid var(--line); }
.head-inner, .foot-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .7rem 1.6rem; padding-block: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .7rem; font-weight: 800; text-decoration: none; line-height: 1.2; }
.mark { width: 3.5rem; height: auto; flex: none; }
.nav, .actions, .card-links { display: flex; align-items: center; flex-wrap: wrap; gap: .55rem 1.15rem; }
.nav a { text-decoration: none; font-weight: 650; font-size: .9rem; padding-block: .25rem; }
.nav a:hover, .nav a[aria-current] { text-decoration: underline; }
.nav .language { border: 1px solid var(--line); border-radius: 3rem; padding: .35rem .7rem; }
.hero { background: var(--forest); color: #f3faed; padding-block: clamp(2.6rem, 6vw, 5rem); }
.hero-inner { display: grid; grid-template-columns: 1.06fr .94fr; gap: clamp(1.4rem, 5vw, 4rem); align-items: center; }
.hero h1 span { display: block; color: var(--green); }
.eyebrow { color: var(--muted); font-size: .85rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.hero .eyebrow { color: var(--green); }
.hero .eyebrow, .intro .eyebrow { margin-bottom: .85rem; }
.hero .lead { color: #d1dfd2; max-width: 32ch; }
.lead { margin-top: 1.15rem; font-size: clamp(1.05rem, 2.1vw, 1.26rem); color: var(--muted); max-width: 52ch; }
.hero .actions, .intro .actions { margin-top: 1.6rem; }
.feature { display: grid; color: #f5faee; background: #0c211e; border: 1px solid #466454; border-radius: 1rem; text-decoration: none; overflow: hidden; }
.feature img { width: 100%; height: clamp(205px, 29vw, 345px); object-fit: cover; object-position: center; }
.feature-caption { display: flex; flex-wrap: wrap; gap: .3rem 1.2rem; align-items: baseline; justify-content: space-between; padding: .75rem 1.15rem; font-weight: 750; }
.feature-caption small { color: #c0d5c6; font-size: .85rem; font-weight: 500; }
.button { min-height: 2.7rem; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--forest); border-radius: .55rem; padding: .5rem .95rem; background: var(--forest); color: #f5faee; font-weight: 750; text-decoration: none; }
.button:hover { filter: brightness(1.2); }
.button.alt { background: transparent; color: var(--forest); border-color: #acbeb1; }
.hero .button { color: var(--forest); background: var(--green); border-color: var(--green); }
.section { padding-block: clamp(2.6rem, 6vw, 4.75rem); }
.section-head { display: flex; gap: .65rem 1.4rem; align-items: end; justify-content: space-between; flex-wrap: wrap; margin-bottom: 1.25rem; }
.section-head .eyebrow { margin-bottom: .48rem; }
.section-head > p { color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: .95rem; }
.card { background: #fcfdf8; border: 1px solid var(--line); padding: clamp(.9rem, 2.5vw, 1.4rem); border-radius: .9rem; display: grid; grid-template-columns: 4.2rem minmax(0,1fr); gap: .9rem 1rem; align-items: start; }
.card img { width: 4.2rem; height: 4.2rem; border-radius: .8rem; object-fit: cover; }
.card .eyebrow { font-size: .76rem; letter-spacing: .07em; margin-bottom: .25rem; }
.card h3 a { text-decoration: none; }
.card h3 a:hover { text-decoration: underline; }
.card p:not(.eyebrow) { color: var(--muted); margin-top: .55rem; }
.card-links { grid-column: 2; font-size: .875rem; font-weight: 700; gap: .35rem .95rem; }
.work { background: #e7eee4; border-block: 1px solid var(--line); }
.work .grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.work .card { grid-template-columns: minmax(0,1fr); }
.work .card-links { grid-column: 1; }
.support-strip { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.support-strip p { color: var(--muted); margin-top: .55rem; }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; background: #fcfdf8; }
.intro { padding-block: clamp(2.2rem, 6vw, 4.5rem); background: #e7eee4; border-bottom: 1px solid var(--line); }
.intro h1 { font-size: clamp(2.4rem, 6.3vw, 4.7rem); max-width: 20ch; letter-spacing: -.061em; }
.intro-layout { display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: center; }
.intro-layout img { width: clamp(5rem, 13vw, 8.5rem); border-radius: 1.1rem; }
.crumb { color: var(--muted); margin-bottom: 1.1rem; font-size: .9rem; }
.prose { max-width: 72ch; overflow-wrap: anywhere; }
.prose h2 { font-size: 1.65rem; margin: 1.9rem 0 .6rem; letter-spacing: -.035em; }
.prose h2:first-child { margin-top: 0; }
.prose p + p { margin-top: .75rem; }
.prose ul { padding-inline-start: 1.3rem; margin: .55rem 0 0; }
.prose li + li { margin-top: .3rem; }
.published-body h3, .published-body h4 { margin: 1.55rem 0 .5rem; }
.published-body h4 { font-size: 1.1rem; }
.published-body section + section, .published-body p + section { margin-top: 1.55rem; }
.published-body ul + p, .published-body ol + p { margin-top: .75rem; }
.published-body details { padding: .85rem 0; border-bottom: 1px solid var(--line); }
.published-body details:first-of-type { margin-top: .65rem; }
.published-body summary { cursor: pointer; font-weight: 750; }
.published-body details[open] > summary { margin-bottom: .55rem; }
.published-body footer { margin-top: 1rem; padding-top: .6rem; background: none; }
.source-language { color: var(--muted); margin-bottom: .85rem; }
.source-links, .support-copy, .listing-copy { margin-top: 1.8rem; }
.source-links { border-top: 1px solid var(--line); padding-top: 1rem; }
.store-description { white-space: pre-wrap; }
.directory { list-style: none; margin: 0; padding: 0; }
.directory li { border-bottom: 1px solid var(--line); padding-block: .85rem; }
.directory li:first-child { padding-top: 0; }
@media (max-width: 760px) {
  .hero-inner, .grid, .work .grid { grid-template-columns: 1fr; }
  .feature img { height: clamp(180px, 54vw, 300px); }
}
@media (max-width: 420px) {
  .head-inner { align-items: start; }
  .nav { column-gap: .7rem; }
  .card { grid-template-columns: 3.2rem minmax(0,1fr); }
  .card img { width: 3.2rem; height: 3.2rem; }
}