:root {
  color-scheme: dark;
  --forest: var(--site-ink);
  --paper: var(--site-bg);
  --muted: var(--site-muted);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background:
    var(--site-atmosphere),
    var(--paper);
  color: var(--forest);
  font:
    16px/1.9 "Avenir Next",
    "PingFang SC",
    sans-serif;
}
a {
  color: var(--site-gold);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
  text-underline-offset: 5px;
}
:focus-visible {
  outline: 3px solid #ecd094;
  outline-offset: 5px;
}
header,
footer,
main {
  max-width: 1200px;
  margin: auto;
  padding: 30px 40px;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  border-bottom: 1px solid #9cbe913b;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}
.brand img {
  border-radius: 50%;
}
nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  font-size: 12px;
}
main {
  padding-top: 70px;
  min-height: 70vh;
}
h1,
h2 {
  font-family: "Songti SC", "STSong", serif;
  font-weight: 500;
}
h1 {
  font-size: clamp(38px, 5vw, 68px);
  line-height: 1.35;
  letter-spacing: -0.035em;
  margin: 18px 0 24px;
}
.intro {
  max-width: 690px;
  color: var(--muted);
}
.eyebrow,
.meta,
small {
  color: #bcd0ae;
  font-size: 12px;
}
.eyebrow {
  letter-spacing: 0.15em;
}
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 290px), 1fr));
  gap: 22px;
  margin: 35px 0;
}
.card {
  display: block;
  border: 1px solid #95b48a47;
  border-top: 2px solid #c1cf96;
  padding: 30px;
  color: inherit;
  background: #18412fd9;
}
.card:hover {
  border-color: #dcc18b;
  text-decoration: none;
  background: #214d37;
}
.card h2 {
  font-size: 27px;
  line-height: 1.45;
  margin: 20px 0 15px;
}
.card p {
  font-size: 14px;
  color: var(--muted);
}
.card small {
  overflow-wrap: anywhere;
}
.section-title {
  margin-top: 60px;
  font-size: 30px;
}
article {
  max-width: 800px;
  overflow-wrap: anywhere;
}
article h2 {
  margin-top: 48px;
}
article img {
  max-width: 100%;
  height: auto;
}
pre {
  overflow: auto;
  padding: 20px;
  background: #05231d;
  border: 1px solid #a5c6923b;
  color: #d6e8bf;
}
code {
  font-family: ui-monospace, monospace;
}
table {
  display: block;
  overflow: auto;
  border-collapse: collapse;
}
td,
th {
  border: 1px solid #96b18a59;
  padding: 10px;
}
blockquote,
aside,
.notice {
  border-left: 3px solid #dbb979;
  padding: 14px 25px;
  background: #254b354f;
  color: #cddcbc;
}
footer {
  border-top: 1px solid #9cbe913b;
  color: var(--muted);
  margin-top: 48px;
  font-size: 12px;
}
.skip-link {
  position: absolute;
  top: -70px;
  left: 20px;
  background: var(--paper);
  padding: 10px 20px;
  z-index: 10;
}
.skip-link:focus {
  top: 10px;
}
::selection {
  background: #c7dfac;
  color: #103528;
}
article {
  font-size: 17px;
  line-height: 2;
}
article h2 {
  color: #e8edcf;
  line-height: 1.55;
}
article :is(h3, h4, strong) {
  color: #f0f2dd;
}
article a {
  text-decoration: underline;
  text-decoration-color: #a5c58a80;
  text-underline-offset: 4px;
}
article :not(pre) > code {
  padding: 0.13em 0.35em;
  background: #31523a70;
  color: #e2e8b9;
  border-radius: 3px;
}
article img {
  border: 1px solid #a4bf914d;
}
th {
  color: #eff1d8;
  background: #204d3666;
}
hr {
  border: 0;
  border-top: 1px solid #9cbe913b;
  margin-block: 36px;
}
@media (max-width: 800px) {
  header {
    display: block;
  }
  nav {
    margin-top: 20px;
    gap: 15px;
  }
  header,
  footer,
  main {
    padding-left: 25px;
    padding-right: 25px;
  }
  main {
    padding-top: 40px;
  }
  article {
    font-size: 16px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}
nav .nav-group-start { margin-left: 12px; padding-left: 20px; border-left: 1px solid #a8b4aa55; }
h1, h2, h3 { text-wrap: balance; }
p, li { text-wrap: pretty; }
article { max-width: 38em; }
article p + p { margin-top: 1.2em; }
footer { text-align: center; }

/* Index pages are rooms in the same world, not a separate template theme. */
.reading-header {max-width:none;padding:24px 5%;border-color:var(--site-line);background:#101715e8}
.brand {color:var(--site-ink);font-size:15px}
.brand span {display:block}
.brand small {display:block;font-size:8px;letter-spacing:.25em;color:#a8b3a7;line-height:1.4}
.reading-header nav {align-items:center;gap:22px}
.reading-header nav>a {color:var(--site-ink);white-space:nowrap}
.reading-header nav>a[aria-current] {color:var(--site-gold);text-decoration:underline;text-underline-offset:8px}
.reading-header nav .nav-group-start {border-color:var(--site-line);padding-left:22px;margin-left:8px}
main {max-width:1320px;padding:60px 48px}
.reading-hero {display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);align-items:center;gap:80px;margin-bottom:65px;min-height:400px}
.reading-hero.is-article {display:block;min-height:0;max-width:800px}
.reading-hero h1 {font-size:clamp(36px,4.5vw,64px);line-height:1.35}
.intro {font-size:16px;line-height:1.9;max-width:36em}
.eyebrow,.meta {color:var(--site-jade);font-size:11px}
.reading-back {display:inline-block;font-size:12px;margin-top:18px;border-bottom:1px solid #d9bd8c66;padding-bottom:5px}
.reading-section-head {display:flex;align-items:baseline;justify-content:space-between;gap:20px;border-bottom:1px solid var(--site-line);padding-bottom:18px}
.reading-section-head h2,.section-title {font-size:30px;margin:0}
.reading-section-head>span {font-size:10px;color:var(--site-jade);letter-spacing:.1em}
.cards {gap:24px}
.card {display:flex;flex-direction:column;background:linear-gradient(145deg,#a7b59908,transparent),var(--site-surface);border:1px solid var(--site-line);border-radius:5px;padding:28px;transition:transform .25s,border-color .25s,background .25s}
.card:hover {border-color:#d9bd8c99;background:#203027;transform:translateY(-4px)}
.card h2 {font-size:26px;margin:14px 0}
.card p {line-height:1.85;margin:0 0 22px}
.card>small {font-size:10px;margin-top:16px;opacity:.65}
.card-action {margin-top:auto;font-size:12px;color:var(--site-gold);padding-top:20px;border-top:1px solid var(--site-line)}
.card-art {display:flex;align-items:center;justify-content:space-between;height:112px;margin:-28px -28px 26px;padding:28px;position:relative;overflow:hidden;border-bottom:1px solid var(--site-line);color:var(--site-gold);background:radial-gradient(ellipse at 80% 100%,#8d987333,transparent 75%),#1d2e25}
.card-art::after {content:"";position:absolute;width:150px;height:150px;border:1px solid #b9c3a020;border-radius:50%;right:-30px;top:25px;box-shadow:0 0 0 22px #b9c3a008,0 0 0 45px #b9c3a005}
.card-art>span {font:38px/1 Georgia,serif}
.card-art>small {align-self:start;font:14px Georgia,serif;color:#a8b49d99}
.card-art-1 {background:radial-gradient(ellipse at 100% 100%,#ba88652a,transparent 75%),#292b22}
.card-art-2 {background:radial-gradient(ellipse at 80% 100%,#74948833,transparent 75%),#1d2a26}
.notice,blockquote,aside {background:#c5b4890a;border-left-color:var(--site-gold);color:var(--site-muted)}
.notice {margin-bottom:45px;font-size:14px}
footer {border-color:var(--site-line);max-width:1224px;padding-block:65px;color:var(--site-muted)}
.reading-footer-brand {font:24px "Songti SC",serif;color:var(--site-ink)}
footer nav {justify-content:center;gap:30px;margin-top:28px}
.skill-guide-page {max-width:1800px;transition:padding-left .24s ease}
.skill-guide-page[data-skill-guide-sidebar-mode="fixed"] {padding-left:448px}
.skill-guide-page .reading-hero.is-article {max-width:none;margin-bottom:48px}
.skill-guide-shell {display:block;margin-top:42px;position:relative}
.skill-guide-actions {display:flex;align-items:center;gap:8px 10px;flex-wrap:wrap;max-width:690px;margin-top:18px}
.skill-guide-action {display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:7px 12px;border:1px solid #b7c99a66;border-radius:999px;background:#d9e5b314;color:#dfe8c6;font:inherit;font-size:12px;line-height:1.4;cursor:pointer}
.skill-guide-copy-block {flex-basis:100%;max-width:690px}
.skill-guide-prompt-label {margin:0 0 8px;color:var(--site-muted);font-size:12px}
.skill-guide-copy-row {display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:10px}
.skill-guide-prompt {min-width:0;margin:0;padding:10px 12px;border:1px solid #95b48a66;border-radius:6px;background:#10291f;color:#e8edcf;font:13px/1.7 ui-monospace,monospace;overflow-wrap:anywhere}
.skill-guide-copy-row .skill-guide-action {white-space:nowrap}
.skill-guide-action:hover,.skill-guide-action:focus-visible {border-color:var(--site-gold);color:var(--site-gold);text-decoration:none}
.skill-guide-actions .skill-guide-copy-status {flex-basis:100%;min-height:1.5em;color:var(--site-muted);font-size:12px}
.skill-guide-actions .skill-guide-copy-fallback {flex-basis:100%;width:100%;max-width:690px;min-height:100px;padding:12px;resize:vertical;border:1px solid #95b48a66;border-radius:6px;background:#10291f;color:#e8edcf;font:13px/1.7 ui-monospace,monospace}
.skill-guide-actions .skill-guide-copy-fallback[hidden] {display:none}
.skill-guide-sidebar {position:fixed;z-index:30;top:88px;bottom:24px;left:0;width:min(380px,calc(100vw - 24px));overflow-y:auto;padding:22px 18px;border:1px solid #95b48a47;border-left:0;border-top:2px solid #c1cf96;border-radius:0 12px 12px 0;background:linear-gradient(160deg,#18412ff5,#10291fe8);box-shadow:0 20px 45px #06140dcc;backdrop-filter:blur(14px);scrollbar-color:#95b48a80 transparent;opacity:1;visibility:visible;transform:translateX(0);transition:opacity .2s,transform .2s,visibility 0s}
.skill-guide-shell[data-sidebar-mode="collapsed"] .skill-guide-sidebar {opacity:0;visibility:hidden;pointer-events:none;transform:translateX(calc(-100% - 16px));transition:opacity .2s,transform .2s,visibility 0s .2s}
.skill-guide-sidebar-head {display:flex;align-items:center;justify-content:space-between;gap:12px;position:sticky;top:-22px;margin:-22px -18px 16px;padding:22px 18px 14px;background:linear-gradient(180deg,#18412fff 72%,#18412f00);z-index:1}
.skill-guide-sidebar p {margin:0;color:#e8edcf;font-family:"Songti SC","STSong",serif;font-size:20px}
.skill-guide-mode {border:1px solid #b7c99a66;border-radius:999px;padding:5px 9px;background:#d9e5b314;color:#dfe8c6;font:inherit;font-size:11px;cursor:pointer;white-space:nowrap}
.skill-guide-mode:hover,.skill-guide-mode:focus-visible {border-color:var(--site-gold);color:var(--site-gold);outline:none}
.skill-guide-mode::before {content:"‹";display:inline-block;margin-right:5px;font-size:17px;line-height:0;vertical-align:-1px}
.skill-guide-rail {display:flex;align-items:center;justify-content:center;position:fixed;z-index:31;top:calc(50% - 54px);left:0;min-width:44px;height:108px;padding:10px 7px;border:1px solid #95b48a47;border-left:2px solid #c1cf96;border-radius:0 6px 6px 0;background:#18412fd9;color:#e8edcf;font:13px "Songti SC","STSong",serif;writing-mode:vertical-rl;letter-spacing:.18em;cursor:pointer;box-shadow:0 15px 30px #06140d44}
.skill-guide-shell[data-sidebar-mode="fixed"] .skill-guide-rail {display:none}
.skill-guide-tree-nav {display:block !important;margin:0;font-size:13px}
.skill-guide-tree-nav a {color:var(--site-muted);line-height:1.45}
.skill-guide-tree-nav a:hover,.skill-guide-tree-nav a:focus-visible {color:var(--site-gold);outline:none}
.skill-guide-tree-intro {display:block;padding:8px 0 12px;border-bottom:1px solid #95b48a33}
.skill-guide-tree,.skill-guide-tree ul,.skill-guide-tree-utility {display:grid !important;grid-template-columns:1fr;gap:2px;margin:0;padding:0;list-style:none}
.skill-guide-tree {counter-reset:skill-tree-level-1}
.skill-guide-tree-item {position:relative}
.skill-guide-tree-item::before {position:absolute;left:0;top:8px;color:#d9bd8c80;font-size:10px;line-height:1.45}
.skill-guide-tree-level-1 {counter-increment:skill-tree-level-1}
.skill-guide-tree-level-1::before {content:counter(skill-tree-level-1) "."}
.skill-guide-tree-level-1>.skill-guide-tree-row {padding-left:20px}
.skill-guide-tree-level-1>.skill-guide-tree-row>.skill-guide-tree-link {font-weight:600;color:#edf1de}
.skill-guide-tree-item>ul {margin:2px 0 6px 18px;padding-left:13px;border-left:1px solid #95b48a3d;counter-reset:skill-tree-level-2}
.skill-guide-tree-item>ul>.skill-guide-tree-item {counter-increment:skill-tree-level-2}
.skill-guide-tree-item>ul>.skill-guide-tree-item::before {content:counter(skill-tree-level-1) "." counter(skill-tree-level-2);left:-13px}
.skill-guide-tree-item>ul ul {margin:2px 0 4px 16px;padding-left:12px;border-left:1px solid #95b48a28;counter-reset:skill-tree-level-3}
.skill-guide-tree-item>ul ul>.skill-guide-tree-item {counter-increment:skill-tree-level-3}
.skill-guide-tree-item>ul ul>.skill-guide-tree-item::before {content:counter(skill-tree-level-1) "." counter(skill-tree-level-2) "." counter(skill-tree-level-3);left:-12px}
.skill-guide-tree-row {display:grid;grid-template-columns:22px minmax(0,1fr);align-items:start;min-width:0}
.skill-guide-tree-link {display:grid;grid-template-columns:minmax(0,1fr);align-content:start;gap:3px;min-width:0;padding:8px 0;border-bottom:1px solid #95b48a1f}
.skill-guide-tree-link span {min-width:0;color:#b9c8b4;font-size:12px;font-weight:400;line-height:1.5;overflow-wrap:anywhere}
.skill-guide-tree-toggle,.skill-guide-tree-toggle-placeholder {display:flex;align-items:center;justify-content:center;width:20px;height:28px;margin-top:3px;border:0;background:transparent;color:#c1cf96;font:18px/1 "Avenir Next",sans-serif}
.skill-guide-tree-toggle {border-radius:4px;cursor:pointer}
.skill-guide-tree-toggle:hover,.skill-guide-tree-toggle:focus-visible {background:#d9bd8c1a;color:var(--site-gold);outline:none}
.skill-guide-tree-link code {color:#d9bd8c;white-space:nowrap}
.skill-guide-tree-utility {margin-top:12px;padding-top:10px;border-top:1px solid #95b48a33}
.skill-guide-tree-utility a {display:block;padding:6px 0}
.skill-guide-article {max-width:none;min-width:0;width:100%;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.9;letter-spacing:.45px;color:#d9dfd1;counter-reset:skill-section;text-wrap:pretty;line-break:strict;word-break:normal}
.skill-guide-article > p,.skill-guide-article > ul,.skill-guide-article > ol,.skill-guide-article > blockquote,.skill-guide-article > pre {max-width:none}
.skill-guide-article > p:first-child {margin-top:0;padding:18px 20px;border-left:4px solid #10b981;background:linear-gradient(100deg,#10b9811c,transparent 80%);color:#edf1de;font-size:19px;line-height:1.75}
.skill-guide-article h2 {max-width:none;scroll-margin-top:30px;counter-increment:skill-section;margin:52px 0 18px;padding:13px 16px;border-left:4px solid #c1cf96;background:linear-gradient(90deg,#c1cf9619,transparent 60%);color:#f0f2dd;font-size:26px;line-height:1.35;letter-spacing:0}
.skill-guide-article h2::before {content:counter(skill-section,decimal-leading-zero);display:inline-block;margin-right:12px;color:#d9bd8c;font-size:.6em;letter-spacing:.12em;vertical-align:.16em}
.skill-guide-article h2 code {color:#d9bd8c;font-size:.78em}
.skill-guide-article h3 {max-width:none;margin-top:32px;color:#e8edcf}
.skill-guide-article pre {max-width:none;border:1px solid #95b48a3d;border-radius:8px;background:#0a1b14d9;box-shadow:inset 0 1px #d9bd8c1a;overflow-x:auto}
.skill-guide-article code {white-space:nowrap}
.skill-guide-article :not(pre) > code {white-space:normal;overflow-wrap:anywhere}
.skill-guide-article blockquote {padding:14px 18px;border-left:3px solid var(--site-gold);background:#d9bd8c12;color:#e5e8d8}
.skill-guide-article a {color:#d9bd8c}
.skill-guide-article li::marker {color:#c1cf96}
@media(max-width:1050px){.reading-header{display:block}.reading-header nav{margin-top:20px;gap:16px}.reading-hero{gap:35px}main{padding-inline:30px}}
@media(max-width:1050px){.skill-guide-page{max-width:none}.skill-guide-page[data-skill-guide-sidebar-mode="fixed"]{padding-left:394px}.skill-guide-sidebar{width:min(340px,calc(100vw - 24px))}}
@media(max-width:800px){.skill-guide-page,.skill-guide-page[data-skill-guide-sidebar-mode="fixed"]{padding-left:25px}.skill-guide-sidebar{position:relative;top:auto;right:auto;bottom:auto;left:auto;width:100%;max-height:min(70vh,560px);margin-bottom:24px;overflow-y:auto}.skill-guide-shell[data-sidebar-mode="collapsed"] .skill-guide-sidebar{position:absolute;top:0;left:0;right:0;width:100%;max-height:0;margin:0;padding:0;border:0;overflow:hidden;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-8px)}.skill-guide-rail{position:static;top:auto;right:auto;bottom:auto;left:auto;width:max-content;height:auto;margin:0 0 18px;padding:10px 15px;writing-mode:horizontal-tb;letter-spacing:.12em}.skill-guide-article{font-size:16px}.skill-guide-article h2{font-size:24px}}
@media(max-width:640px){.skill-guide-page,.skill-guide-page[data-skill-guide-sidebar-mode="fixed"]{padding:35px 24px}.reading-header{padding:20px 24px}.reading-header nav{gap:10px 18px;font-size:12px}.reading-header nav .nav-group-start{padding-left:0;margin-left:0;border:0}.reading-hero{grid-template-columns:1fr;gap:12px;margin-bottom:35px;min-height:0}.reading-hero>.atelier-art{max-width:300px;justify-self:center}.reading-hero h1{font-size:38px}.intro{font-size:15px}main{padding:35px 24px}.reading-section-head{display:block}.cards{grid-template-columns:1fr}.card h2{font-size:25px}.reading-section-head>span{display:block;margin-top:10px}.section-title{font-size:27px}.skill-guide-sidebar-head{align-items:flex-start}.skill-guide-mode{font-size:10px;padding:4px 7px}.skill-guide-article h2{padding:11px 12px}}
@media(max-width:640px){.skill-guide-copy-row{grid-template-columns:minmax(0,1fr);justify-items:start}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.card,.skill-guide-page,.skill-guide-shell .skill-guide-sidebar{transition:none}.card:hover{transform:none}}
/* Live examples keep the output isolated from the guide's typography. */
.skill-example{margin:32px 0 48px;border:1px solid #d3ddd3;border-radius:14px;background:#f6f7f1;overflow:hidden;min-width:0}
.skill-example .skill-example-head{padding:25px 26px 16px}
.skill-example .skill-example-kicker{font-size:10px;letter-spacing:1.8px;color:#77623f;margin:0 0 10px}
.skill-example h3{font-size:24px;color:#234d3d;margin:0 0 10px;line-height:1.45}
.skill-example p{font-size:14px;line-height:1.85;margin:0;color:#526958}
.skill-example-switches{display:flex;flex-wrap:wrap;gap:8px;padding:0 26px 20px}
.skill-example button{font:inherit;font-size:13px;line-height:1.6;border:1px solid #b9c9bb;background:#fff;color:#365441;padding:9px 13px;border-radius:6px;cursor:pointer}
.skill-example button[aria-pressed="true"]{background:#275940;color:#fff;border-color:#275940}
.skill-example button:hover{border-color:#6b8969}
.skill-example button:focus-visible,.skill-example a:focus-visible,.skill-example textarea:focus-visible{outline:3px solid #a58342;outline-offset:3px}
.skill-example-detail{padding:18px 26px;border-top:1px solid #dce3d8;background:#edf1e9}
.skill-example-links{display:flex;gap:12px 24px;flex-wrap:wrap;margin-top:12px;font-size:13px}
.skill-guide-article .skill-example a{color:#24553e;text-decoration:underline;text-underline-offset:4px}
.skill-example-stage{padding:24px 20px;background:#e5e9e0}
.skill-example iframe{display:block;width:100%;max-width:760px;height:580px;border:1px solid #d4d9ce;background:white;margin:0 auto;box-shadow:0 10px 25px #213a2410;border-radius:3px}
.skill-example .skill-example-caption{padding:12px 26px;font-size:12px;border-bottom:1px solid #dce3d8}
.skill-example-prompt{padding:22px 26px 26px}
.skill-example-prompt label{display:block;font-size:14px;font-weight:600;color:#2d533b;margin-bottom:10px}
.skill-example textarea{display:block;width:100%;min-width:0;box-sizing:border-box;resize:vertical;border:1px solid #c4d1c0;border-radius:6px;background:#fff;color:#344d3b;padding:14px;font:13px/1.9 ui-monospace,monospace;min-height:126px;margin-bottom:12px}
.skill-example .copy-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap;font-size:12px;color:#355e42}
.skill-example-prompt p{margin-top:12px;font-size:12px}
.skill-example noscript p{padding:20px}
@media(max-width:600px){.skill-example .skill-example-head,.skill-example-detail,.skill-example-prompt{padding:20px 16px}.skill-example-switches{padding:0 16px 16px}.skill-example-stage{padding:12px 6px}.skill-example iframe{height:510px}.skill-example .skill-example-caption{padding:12px 16px}.skill-example h3{font-size:21px}.skill-example textarea{min-height:182px}}