:root {
  --ink: #0b0d12;
  --ink-2: #121722;
  --ink-3: #1c2431;
  --paper: #f5f6f2;
  --paper-2: #ffffff;
  --line: #dfe4e6;
  --muted: #64717b;
  --muted-light: #9da8ae;
  --cyan: #74e6e2;
  --cyan-deep: #12a7a2;
  --orange: #ff7047;
  --orange-soft: #fff0e9;
  --yellow: #ffd55c;
  --purple: #a08dff;
  --green: #53d6a3;
  --red: #ff7d83;
  --shadow: 0 18px 50px rgba(11, 13, 18, .08);
  --radius: 16px;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sans: "IBM Plex Sans Thai", "Noto Sans Thai", "Tahoma", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
body::selection { background: var(--cyan); color: var(--ink); }
a { color: inherit; text-decoration: none; }
button, select { font: inherit; }
button { cursor: pointer; }
code, pre, kbd { font-family: var(--mono); }
code {
  padding: .12em .4em;
  background: #e9edef;
  border-radius: 5px;
  color: #1b5960;
  font-size: .88em;
}

.guide-shell { min-height: 100vh; }
.sidebar {
  position: fixed;
  z-index: 30;
  inset: 0 auto 0 0;
  width: 264px;
  color: #e9eff1;
  background: var(--ink);
  border-right: 1px solid rgba(255,255,255,.08);
}
.sidebar-inner {
  display: flex;
  height: 100%;
  flex-direction: column;
  padding: 27px 20px 22px;
}
.brand { display: flex; align-items: center; gap: 11px; color: #fff; }
.brand strong { display: block; font-size: 15px; letter-spacing: .02em; line-height: 1.2; }
.brand small { display: block; margin-top: 4px; color: var(--muted-light); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.brand-mark {
  display: grid;
  grid-template-columns: repeat(3, 5px);
  align-items: end;
  gap: 3px;
  width: 33px;
  height: 33px;
  padding: 8px;
  background: linear-gradient(135deg, var(--cyan), #349a99);
  border-radius: 10px;
}
.brand-mark span { display: block; height: 7px; background: var(--ink); border-radius: 2px; }
.brand-mark span:nth-child(2) { height: 12px; }
.brand-mark span:nth-child(3) { height: 17px; }
.sidebar-caption { margin: 50px 10px 12px; color: #64717c; font-size: 10px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.side-nav { display: grid; gap: 3px; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 40px;
  padding: 6px 10px;
  color: #9ba8af;
  border: 1px solid transparent;
  border-radius: 9px;
  font-size: 12px;
  transition: background .18s ease, color .18s ease, transform .18s ease;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,.06); transform: translateX(2px); }
.nav-link.active { color: #fff; background: rgba(116, 230, 226, .1); border-color: rgba(116, 230, 226, .2); }
.nav-index { min-width: 22px; color: #52616a; font-family: var(--mono); font-size: 10px; }
.nav-link.active .nav-index { color: var(--cyan); }
.sidebar-footer { margin-top: auto; padding: 16px 10px 0; border-top: 1px solid rgba(255,255,255,.09); }
.sidebar-status { display: flex; align-items: center; gap: 7px; color: #d8e5e5; font-family: var(--mono); font-size: 10px; }
.pulse { width: 7px; height: 7px; background: var(--green); border-radius: 50%; box-shadow: 0 0 0 4px rgba(83, 214, 163, .12); }
.sidebar-footer p { margin: 10px 0 13px; color: #69757c; font-size: 11px; line-height: 1.65; }
.back-link { color: var(--cyan); font-size: 11px; }
.back-link:hover { text-decoration: underline; }

.guide-main { min-height: 100vh; margin-left: 264px; }
.topbar {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  padding: 0 5.2vw;
  background: rgba(245, 246, 242, .92);
  border-bottom: 1px solid rgba(202, 211, 214, .7);
  backdrop-filter: blur(14px);
}
.breadcrumbs { display: flex; align-items: center; gap: 11px; color: #9aa4a8; font-family: var(--mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.breadcrumbs strong { color: var(--ink); font-weight: 600; }
.topbar-actions { display: flex; align-items: center; gap: 19px; }
.updated { color: #89949a; font-size: 11px; }
.topbar-link { color: #42525a; font-size: 11px; font-weight: 600; }
.topbar-link:hover { color: var(--orange); }
.menu-toggle { display: none; padding: 7px 11px; color: var(--ink); background: transparent; border: 1px solid var(--line); border-radius: 7px; font-size: 11px; }
.content-wrap { width: min(100%, 1280px); margin: 0 auto; padding: 0 5.2vw 40px; }

.hero { padding: 44px 0 30px; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(390px, .92fr);
  gap: 32px;
  min-height: 415px;
  padding: 49px 50px 48px;
  overflow: hidden;
  color: #f3f8f7;
  background: var(--ink);
  border-radius: 23px;
  box-shadow: 0 25px 65px rgba(11,13,18,.17);
  position: relative;
}
.hero-grid::before, .hero-grid::after { content: ""; position: absolute; pointer-events: none; border-radius: 50%; }
.hero-grid::before { width: 390px; height: 390px; right: -195px; top: -190px; border: 1px solid rgba(116,230,226,.18); box-shadow: 0 0 0 32px rgba(116,230,226,.025), 0 0 0 64px rgba(116,230,226,.025); }
.hero-grid::after { width: 6px; height: 6px; top: 48px; right: 49%; background: var(--orange); box-shadow: 18px 16px var(--cyan), -14px 36px var(--yellow), 40px -4px var(--purple); }
.hero-copy, .hero-console { position: relative; z-index: 1; }
.eyebrow { display: flex; align-items: center; gap: 9px; color: var(--cyan); font-family: var(--mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.eyebrow-dot { width: 7px; height: 7px; background: var(--orange); border-radius: 50%; }
.eyebrow-line { width: 32px; height: 1px; background: #3a4650; }
h1 { margin: 24px 0 18px; font-size: clamp(38px, 5vw, 66px); font-weight: 700; letter-spacing: -.055em; line-height: 1.01; }
h1 em { color: var(--cyan); font-style: normal; }
.hero-lead { max-width: 590px; margin: 0; color: #aeb9bd; font-size: 14px; line-height: 1.85; }
.hero-lead code { color: var(--cyan); background: rgba(116,230,226,.1); }
.hero-actions { display: flex; gap: 10px; margin-top: 28px; }
.button { display: inline-flex; align-items: center; gap: 15px; padding: 9px 15px; border-radius: 8px; font-size: 12px; font-weight: 700; transition: transform .16s ease, background .16s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--ink); background: var(--cyan); }
.button-primary:hover { background: #a5f1ee; }
.button-ghost { color: #c3ced1; border: 1px solid #3c4852; }
.button-ghost:hover { color: #fff; border-color: var(--cyan); }
.hero-note { display: flex; align-items: flex-start; gap: 9px; max-width: 500px; margin-top: 26px; color: #6f7c83; font-size: 10px; line-height: 1.6; }
.note-icon { display: inline-grid; flex: 0 0 auto; place-items: center; width: 16px; height: 16px; color: var(--ink); background: var(--yellow); border-radius: 50%; font-family: var(--mono); font-size: 10px; font-weight: 700; }
.hero-note strong { color: #c0cdce; }
.hero-console { align-self: center; margin: 15px 0 0 10px; border: 1px solid #33414b; border-radius: 12px; background: #111822; box-shadow: 0 18px 35px rgba(0,0,0,.24); }
.console-top { display: flex; align-items: center; gap: 11px; height: 34px; padding: 0 13px; color: #73838b; border-bottom: 1px solid #26323d; font-family: var(--mono); font-size: 9px; }
.console-dots { display: flex; gap: 4px; }
.console-dots i { width: 6px; height: 6px; background: #43515a; border-radius: 50%; }
.console-dots i:first-child { background: var(--orange); }
.console-live { margin-left: auto; color: var(--green); font-size: 8px; }
.console-body { padding: 22px 20px 24px; color: #e8efed; font-family: var(--mono); font-size: 11px; line-height: 2.15; }
.console-comment { margin-top: 4px; color: #657780; }
.prompt { margin-right: 7px; color: var(--cyan); }
.console-result { padding-left: 20px; color: #8f9e9e; font-size: 10px; }
.console-result .cyan { color: var(--cyan); }
.console-result .orange { color: var(--orange); }

.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 0 0 26px; }
.stat-card { min-height: 100px; padding: 15px 17px; background: var(--paper-2); border: 1px solid var(--line); border-radius: 11px; }
.stat-card.accent { color: var(--ink); background: var(--cyan); border-color: var(--cyan); }
.stat-label { display: block; margin-bottom: 3px; color: #9aa6aa; font-family: var(--mono); font-size: 9px; letter-spacing: .03em; text-transform: uppercase; }
.stat-card.accent .stat-label { color: #438c8c; }
.stat-card strong { display: block; font-size: 16px; letter-spacing: -.02em; line-height: 1.3; }
.stat-card strong code { padding: 0; color: inherit; background: transparent; font-size: inherit; }
.stat-card small { display: block; margin-top: 7px; color: #879398; font-size: 10px; line-height: 1.35; }
.stat-card.accent small { color: #438989; }
.mobile-toc { display: none; }

.doc-content { max-width: 880px; margin: 0 auto; }
.doc-section { scroll-margin-top: 90px; padding: 60px 0 8px; }
.section-heading { display: flex; align-items: flex-start; gap: 18px; margin-bottom: 21px; }
.section-number { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto; min-width: 36px; height: 36px; margin-top: 4px; color: var(--orange); background: var(--orange-soft); border: 1px solid #ffd3c5; border-radius: 9px; font-family: var(--mono); font-size: 10px; font-weight: 700; }
.section-kicker { margin: 0 0 2px; color: var(--orange); font-family: var(--mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
h2 { margin: 0; font-size: clamp(25px, 3vw, 35px); letter-spacing: -.05em; line-height: 1.2; }
h3 { margin: 0; font-size: 18px; letter-spacing: -.025em; line-height: 1.35; }
.doc-section > p { max-width: 780px; margin: 0 0 24px; color: #55636a; font-size: 14px; line-height: 1.95; }
.doc-section > p code { color: #126c71; }

.architecture-map { display: grid; grid-template-columns: 1fr 62px 1fr 62px 1fr; align-items: center; margin: 30px 0; }
.map-node { min-height: 145px; padding: 18px 16px; background: var(--paper-2); border: 1px solid var(--line); border-radius: 13px; box-shadow: 0 8px 22px rgba(11,13,18,.035); }
.map-node.map-pages { background: var(--ink); color: #fff; border-color: var(--ink); }
.map-node.map-d1 { background: #e9fbf8; border-color: #b9e8df; }
.node-tag { display: block; margin-bottom: 18px; color: var(--orange); font-family: var(--mono); font-size: 9px; letter-spacing: .1em; }
.map-pages .node-tag { color: var(--cyan); }
.map-d1 .node-tag { color: var(--cyan-deep); }
.map-node strong { display: block; font-size: 15px; line-height: 1.4; }
.map-node small { display: block; margin-top: 9px; color: #8a969a; font-family: var(--mono); font-size: 9px; line-height: 1.65; }
.map-pages small { color: #89969e; }
.map-connector { position: relative; color: #9eaaae; font-family: var(--mono); font-size: 9px; text-align: center; }
.map-connector::before { content: ""; position: absolute; top: 24px; left: 4px; right: 4px; border-top: 1px dashed #c2cbcd; }
.map-connector span { position: relative; z-index: 1; padding: 0 4px; background: var(--paper); }
.map-connector b { position: relative; z-index: 1; display: block; margin-top: 16px; color: var(--orange); font-size: 18px; font-weight: 400; }
.callout { display: flex; gap: 13px; margin: 27px 0; padding: 16px 18px; border: 1px solid; border-radius: 11px; }
.callout-icon { display: inline-grid; flex: 0 0 auto; place-items: center; width: 22px; height: 22px; margin-top: 2px; border-radius: 50%; font-family: var(--mono); font-size: 11px; font-weight: 700; }
.callout strong { display: block; margin-bottom: 2px; font-size: 12px; }
.callout p { margin: 0; font-size: 12px; line-height: 1.75; }
.callout-blue { color: #286f75; background: #eafaf9; border-color: #c5e8e6; }
.callout-blue .callout-icon { color: #fff; background: var(--cyan-deep); }
.callout-orange { color: #7a5a1f; background: #fff8e9; border-color: #f5dfaa; }
.callout-orange .callout-icon { color: var(--ink); background: var(--yellow); }
.callout-purple { color: #554e81; background: #f2f0ff; border-color: #dcd8ff; }
.callout-purple .callout-icon { color: #fff; background: var(--purple); }
.callout-red { color: #8c434c; background: #fff0f2; border-color: #ffd1d4; }
.callout-red .callout-icon { color: #fff; background: var(--red); }

.steps-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin: 29px 0; }
.mini-step { min-height: 164px; padding: 17px; background: var(--paper-2); border: 1px solid var(--line); border-radius: 12px; }
.mini-step > span { display: block; margin-bottom: 15px; color: var(--orange); font-family: var(--mono); font-size: 10px; }
.mini-step strong { display: block; margin-bottom: 8px; font-size: 14px; }
.mini-step code { display: inline-block; margin-bottom: 12px; color: #1c6468; background: #edf8f7; font-size: 10px; }
.mini-step small { display: block; color: #8a969a; font-size: 10px; line-height: 1.55; }
.code-wrap { margin: 22px 0; overflow: hidden; background: var(--ink); border: 1px solid #25313b; border-radius: 11px; box-shadow: 0 9px 24px rgba(11,13,18,.07); }
.code-wrap.compact pre { min-height: auto; }
.code-head { display: flex; align-items: center; justify-content: space-between; min-height: 38px; padding: 0 13px 0 16px; color: #8b9aa0; border-bottom: 1px solid #25313b; font-family: var(--mono); font-size: 9px; }
.copy-button { padding: 4px 8px; color: var(--cyan); background: transparent; border: 1px solid #3e595c; border-radius: 5px; font-family: var(--mono); font-size: 9px; transition: background .16s ease, color .16s ease; }
.copy-button:hover, .copy-button.copied { color: var(--ink); background: var(--cyan); }
pre { overflow-x: auto; margin: 0; padding: 19px 20px 21px; color: #e6efed; font-size: 11px; line-height: 1.85; white-space: pre-wrap; word-break: break-word; }
.code-foot { display: flex; align-items: center; gap: 8px; padding: 11px 16px; color: #7f9095; border-top: 1px solid #25313b; font-family: var(--mono); font-size: 9px; }
.code-foot a { color: var(--cyan); text-decoration: underline; }
.terminal-prompt { color: var(--green); }
kbd { padding: 1px 5px; color: #cedbdd; border: 1px solid #53636a; border-bottom-width: 2px; border-radius: 4px; font-size: 9px; }
.inline-check { display: flex; align-items: flex-start; gap: 9px; margin: 17px 0; color: #5d6b70; font-size: 12px; }
.check-dot { display: inline-grid; flex: 0 0 auto; place-items: center; width: 19px; height: 19px; color: #168a78; background: #dcf8ef; border-radius: 50%; font-size: 11px; }
.subsection { margin: 36px 0 0; }
.subhead { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.subhead-marker { display: inline-flex; align-items: center; justify-content: center; min-width: 26px; height: 26px; padding: 0 6px; color: var(--ink); background: var(--yellow); border-radius: 7px; font-family: var(--mono); font-size: 9px; font-weight: 700; text-transform: uppercase; }
.subsection > p { margin: 0 0 14px; color: #66747a; font-size: 13px; line-height: 1.85; }
.table-wrap { overflow-x: auto; margin: 20px 0; border: 1px solid var(--line); border-radius: 11px; background: var(--paper-2); }
table { width: 100%; border-collapse: collapse; min-width: 560px; font-size: 12px; }
th { padding: 11px 14px; color: #79868a; background: #f2f5f4; font-family: var(--mono); font-size: 9px; font-weight: 700; letter-spacing: .04em; text-align: left; text-transform: uppercase; }
td { padding: 12px 14px; color: #58676d; border-top: 1px solid #e9edee; vertical-align: top; }
td:first-child { color: #1d5156; font-weight: 700; }
.numbered-list { counter-reset: item; display: grid; gap: 10px; margin: 18px 0 0; padding: 0; list-style: none; }
.numbered-list li { display: grid; grid-template-columns: 23px 1fr; gap: 8px; color: #68767a; font-size: 12px; line-height: 1.7; }
.numbered-list li::before { counter-increment: item; content: counter(item); display: inline-grid; place-items: center; width: 21px; height: 21px; color: var(--orange); background: var(--orange-soft); border-radius: 50%; font-family: var(--mono); font-size: 9px; font-weight: 700; }

.local-flow { display: grid; grid-template-columns: 1fr 32px 1fr 32px 1fr; align-items: center; margin: 30px 0; }
.flow-step { position: relative; min-height: 161px; padding: 37px 15px 15px; background: var(--paper-2); border: 1px solid var(--line); border-radius: 12px; }
.flow-number { position: absolute; top: 13px; left: 14px; color: var(--orange); font-family: var(--mono); font-size: 10px; font-weight: 700; }
.flow-step strong { display: block; font-size: 13px; line-height: 1.4; }
.flow-step code { display: block; overflow: hidden; margin: 9px 0; color: #1f6e72; background: #ecf9f8; font-size: 9px; text-overflow: ellipsis; white-space: nowrap; }
.flow-step small { display: block; color: #8a969a; font-size: 10px; line-height: 1.5; }
.flow-arrow { color: var(--orange); font-family: var(--mono); font-size: 18px; text-align: center; }
.featured-code { border-color: #3d625f; box-shadow: 0 11px 28px rgba(18, 167, 162, .08); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 20px; }
.explain-card { padding: 20px; background: var(--paper-2); border: 1px solid var(--line); border-radius: 12px; }
.explain-icon { display: grid; place-items: center; width: 35px; height: 35px; margin-bottom: 16px; border-radius: 9px; font-family: var(--mono); font-size: 10px; font-weight: 700; }
.explain-icon.blue { color: #167c7a; background: #dff8f4; }
.explain-icon.orange { color: #9c5026; background: #ffeadb; }
.explain-card h3 { font-size: 15px; }
.explain-card p { margin: 9px 0 0; color: #718085; font-size: 11px; line-height: 1.8; }

.verify-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin: 27px 0; }
.verify-card { padding: 17px; background: var(--paper-2); border: 1px solid var(--line); border-radius: 11px; }
.verify-label { display: block; color: var(--orange); font-family: var(--mono); font-size: 9px; }
.verify-card strong { display: block; margin: 10px 0 5px; font-size: 15px; }
.verify-card code { display: block; overflow: hidden; padding: 0; color: #1b6b6f; background: none; font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.verify-card small { display: block; margin-top: 12px; color: #8a969a; font-size: 10px; line-height: 1.5; }
.result-panel { margin: 24px 0; background: #eafaf9; border: 1px solid #c5e8e6; border-radius: 11px; overflow: hidden; }
.result-top { display: flex; align-items: center; gap: 8px; padding: 10px 15px; color: #276b6e; border-bottom: 1px solid #c5e8e6; font-family: var(--mono); font-size: 10px; }
.result-dot { width: 7px; height: 7px; background: var(--green); border-radius: 50%; }
.result-path { margin-left: auto; color: #7ca4a1; }
.result-panel pre { color: #2e6262; font-size: 10px; }
.result-panel p { margin: 0; padding: 0 15px 14px; color: #5a8381; font-size: 11px; }
.result-panel code { color: #216e70; background: transparent; }
.remote-warning { display: flex; gap: 13px; margin: 27px 0 24px; padding: 16px 18px; color: #8a5429; background: #fff6e9; border: 1px solid #f1d5a9; border-radius: 11px; }
.warning-symbol { display: grid; flex: 0 0 auto; place-items: center; width: 24px; height: 24px; color: #fff; background: var(--orange); border-radius: 50%; font-family: var(--mono); font-weight: 700; }
.remote-warning strong { display: block; font-size: 12px; }
.remote-warning p { margin: 2px 0 0; font-size: 11px; line-height: 1.65; }
.deploy-timeline { position: relative; margin: 25px 0; }
.deploy-timeline::before { content: ""; position: absolute; top: 25px; bottom: 25px; left: 19px; border-left: 1px dashed #c2cbcd; }
.deploy-row { position: relative; display: grid; grid-template-columns: 39px 1fr auto; gap: 14px; align-items: start; min-height: 98px; }
.deploy-num { position: relative; z-index: 1; display: grid; place-items: center; width: 39px; height: 39px; color: var(--ink); background: var(--yellow); border: 5px solid var(--paper); border-radius: 50%; font-family: var(--mono); font-size: 9px; font-weight: 700; }
.deploy-row strong { display: block; margin-top: 3px; font-size: 14px; }
.deploy-row p { margin: 2px 0 7px; color: #7b888c; font-size: 11px; line-height: 1.5; }
.code-inline { display: inline-block; max-width: 100%; overflow: hidden; padding: 3px 8px; color: #1f686a; background: #e8f8f5; border-radius: 5px; font-family: var(--mono); font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.deploy-state { margin-top: 6px; padding: 3px 6px; color: #a17413; background: #fff4c9; border-radius: 4px; font-family: var(--mono); font-size: 8px; font-weight: 700; }
.remote-state { color: #a75b31; background: #ffeadf; }
.success-state { color: #187d66; background: #dff9ed; }

.trouble-list { display: grid; gap: 8px; margin-top: 25px; }
details { background: var(--paper-2); border: 1px solid var(--line); border-radius: 10px; }
summary { display: grid; grid-template-columns: 50px 1fr 18px; gap: 11px; align-items: center; padding: 13px 15px; list-style: none; cursor: pointer; font-size: 12px; }
summary::-webkit-details-marker { display: none; }
summary:hover { background: #fafcfb; }
.severity { display: inline-block; padding: 3px 5px; border-radius: 4px; font-family: var(--mono); font-size: 8px; font-weight: 700; text-align: center; }
.severity.high { color: #a3484c; background: #ffe5e8; }
.severity.medium { color: #98701e; background: #fff2c9; }
.severity.low { color: #37836b; background: #dcf8ed; }
.chevron { color: #91a0a4; font-size: 16px; text-align: right; transition: transform .18s ease; }
details[open] .chevron { transform: rotate(180deg); }
.detail-body { margin: 0 15px 14px 76px; padding-top: 11px; border-top: 1px solid #edf0ef; }
.detail-body p { margin: 0; color: #718085; font-size: 11px; line-height: 1.8; }

.checklist { display: grid; gap: 8px; margin: 24px 0; }
.check-item { display: flex; align-items: flex-start; gap: 12px; padding: 13px 15px; background: var(--paper-2); border: 1px solid var(--line); border-radius: 10px; cursor: pointer; }
.check-item:hover { border-color: #b6d9d5; }
.check-item input { position: absolute; opacity: 0; pointer-events: none; }
.custom-check { display: grid; flex: 0 0 auto; place-items: center; width: 20px; height: 20px; margin-top: 2px; background: #fff; border: 1px solid #cbd5d7; border-radius: 5px; }
.custom-check::after { content: "✓"; color: transparent; font-family: var(--mono); font-size: 12px; font-weight: 700; }
.check-item input:checked + .custom-check { background: var(--cyan); border-color: var(--cyan-deep); }
.check-item input:checked + .custom-check::after { color: var(--ink); }
.check-item input:checked ~ span:last-child strong { color: #79908e; text-decoration: line-through; }
.check-item strong { display: block; font-size: 12px; line-height: 1.4; }
.check-item small { display: block; margin-top: 3px; color: #89969a; font-size: 10px; line-height: 1.5; }
.completion-card { display: grid; grid-template-columns: 135px 1fr 31px; gap: 16px; align-items: center; padding: 16px 18px; color: #e6f2f0; background: var(--ink); border-radius: 11px; }
.completion-label { display: block; color: var(--cyan); font-family: var(--mono); font-size: 8px; letter-spacing: .1em; }
.completion-card strong { display: block; margin-top: 2px; font-family: var(--mono); font-size: 11px; }
.progress-track { height: 7px; overflow: hidden; background: #2b3941; border-radius: 9px; }
.progress-track span { display: block; width: 0; height: 100%; background: linear-gradient(90deg, var(--cyan), var(--green)); border-radius: inherit; transition: width .25s ease; }
.completion-mark { color: #75858a; font-family: var(--mono); font-size: 19px; text-align: center; }
.references { padding-bottom: 33px; }
.reference-list { display: grid; gap: 10px; margin: 22px 0 0; padding: 0; list-style: none; counter-reset: ref; }
.reference-list li { display: grid; grid-template-columns: 25px 1fr; gap: 8px; align-items: baseline; color: #7c888b; font-size: 11px; }
.reference-list li::before { counter-increment: ref; content: "[" counter(ref) "]"; color: var(--orange); font-family: var(--mono); font-size: 9px; }
.reference-list a { color: #1a7476; font-weight: 700; text-decoration: underline; text-decoration-color: #b8e4df; text-underline-offset: 3px; }
.reference-list span { display: block; color: #89969a; }
.guide-footer { display: flex; justify-content: space-between; align-items: center; max-width: 880px; margin: 55px auto 0; padding: 18px 0 0; color: #9aa5a8; border-top: 1px solid var(--line); font-family: var(--mono); font-size: 9px; }
.guide-footer a { color: #478f8e; }
.guide-footer a:hover { color: var(--orange); }

@media (max-width: 1180px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-console { max-width: 610px; width: 100%; margin: 5px 0 0; }
}
@media (max-width: 980px) {
  .sidebar { transform: translateX(-100%); box-shadow: 20px 0 50px rgba(0,0,0,.25); transition: transform .22s ease; }
  .sidebar.open { transform: translateX(0); }
  .guide-main { margin-left: 0; }
  .menu-toggle { display: block; }
  .content-wrap { padding-right: 4vw; padding-left: 4vw; }
}
@media (max-width: 720px) {
  body { font-size: 14px; }
  .topbar { min-height: 58px; padding: 0 16px; }
  .breadcrumbs { font-size: 9px; }
  .topbar-actions { gap: 8px; }
  .updated, .topbar-link { display: none; }
  .content-wrap { padding: 0 16px 28px; }
  .hero { padding: 18px 0 18px; }
  .hero-grid { gap: 25px; padding: 31px 24px 26px; border-radius: 17px; }
  h1 { margin-top: 20px; font-size: 42px; }
  .hero-lead { font-size: 13px; }
  .hero-actions { flex-wrap: wrap; }
  .hero-note { margin-top: 19px; }
  .hero-console { margin-top: 0; }
  .console-body { padding: 15px 13px 18px; font-size: 9px; }
  .console-result { padding-left: 13px; font-size: 8px; }
  .stats-row { grid-template-columns: 1fr 1fr; gap: 8px; padding-bottom: 10px; }
  .stat-card { min-height: 92px; padding: 12px; }
  .stat-card strong { font-size: 14px; }
  .mobile-toc { display: grid; grid-template-columns: 95px 1fr; gap: 8px; align-items: center; margin: 17px 0 2px; }
  .mobile-toc label { color: #7d8a8e; font-family: var(--mono); font-size: 9px; text-transform: uppercase; }
  .mobile-toc select { width: 100%; padding: 8px 9px; color: #526167; background: #fff; border: 1px solid var(--line); border-radius: 7px; font-size: 11px; }
  .doc-section { padding-top: 46px; scroll-margin-top: 70px; }
  .section-heading { gap: 11px; }
  .section-number { min-width: 31px; height: 31px; font-size: 9px; }
  h2 { font-size: 26px; }
  .doc-section > p { font-size: 13px; }
  .architecture-map { grid-template-columns: 1fr; gap: 10px; }
  .map-node { min-height: auto; }
  .map-connector { height: 25px; }
  .map-connector::before { top: 12px; left: 50%; right: auto; height: 23px; border-top: 0; border-left: 1px dashed #c2cbcd; }
  .map-connector span { display: none; }
  .map-connector b { margin: 0; transform: rotate(90deg); }
  .steps-grid, .verify-grid, .two-col { grid-template-columns: 1fr; }
  .mini-step { min-height: auto; }
  .local-flow { grid-template-columns: 1fr; gap: 5px; }
  .flow-step { min-height: auto; padding: 29px 15px 14px; }
  .flow-arrow { transform: rotate(90deg); }
  .deploy-row { grid-template-columns: 34px 1fr; gap: 10px; }
  .deploy-num { width: 34px; height: 34px; }
  .deploy-state { display: none; }
  .detail-body { margin-left: 15px; }
  summary { grid-template-columns: 43px 1fr 14px; gap: 7px; padding: 12px; font-size: 11px; }
  .completion-card { grid-template-columns: 1fr 27px; gap: 9px; }
  .progress-track { grid-column: 1 / -1; grid-row: 2; }
  .completion-mark { grid-column: 2; grid-row: 1; }
  .guide-footer { display: grid; gap: 8px; margin-top: 36px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}