/* ══════════════════════════════════════════════════════
   @zmzai/theme 「墨骨 Ink Frame」token（静态内联版，色相已本地调红）
   与 theme/src/tokens/theme.css 同源（spot 系 2026-09-29 本站 hue 350→27）；
   勿在页面里自造颜色
   纪律：左对齐 Editorial 结构 · 编号清单不做成排图标卡 ·
   朱红点睛墨底白底皆可用但每屏克制（白底须大字号 ≥3:1）· 层次靠灰阶与阴影
   ── v2 精装（OJO app-ui-ux-best-practices 质量门）──
   register：quiet / polished / sparse-editorial / solemn
   字阶：display 68 → page 50 → h2 32 → body 15 → caption 12
   正文与功能性小字一律 ≥13px 且对比度 ≥4.5:1（ink-3 只做
   装饰性分隔，不再承载正文/标签文字）；动效只走 ease-out
   家族；数字一律 tabular-nums；触达目标 ≥44px
   ══════════════════════════════════════════════════════ */
:root {
  --color-bg:          oklch(1 0 0);
  --color-surface-2:   oklch(0.968 0.002 265);
  --color-ink:         oklch(0.21 0.008 265);
  --color-ink-2:       oklch(0.442 0.017 265);
  --color-ink-3:       oklch(0.617 0.014 265);
  --color-line:        oklch(0.92 0.004 265);
  --color-line-strong: oklch(0.87 0.005 265);
  --color-accent:      oklch(0.21 0.008 265);
  --color-accent-strong: oklch(0.09 0.004 265);
  --color-accent-ink:  oklch(1 0 0);
  --color-live:        oklch(0.499 0.17 145);

  --color-dark-bg:      oklch(0.17 0.006 265);
  --color-dark-ink:     oklch(0.97 0.002 265);
  --color-dark-line:    oklch(0.32 0.008 265);
  --color-spot-strong:  oklch(0.58 0.215 27);
  --color-spot:         oklch(0.66 0.240 27);

  --shadow-lg: 0 12px 32px -8px oklch(0.21 0.008 265 / 0.12), 0 4px 8px -4px oklch(0.21 0.008 265 / 0.06);

  --font-sans: "MiSans", -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", "Menlo", monospace;

  --radius-sm: 3px; --radius: 4px; --radius-lg: 6px; --radius-2xl: 12px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  /* ── 字阶（Editorial 档，hero 与子页共用同一梯子）── */
  --fs-display: clamp(40px, 5.6vw, 68px);   /* 首页 hero h1（墨底开场，两行语义断行） */
  --fs-page:    clamp(34px, 4.4vw, 50px);   /* 子页 page-head h1 */
  --fs-h2:      32px;                        /* 章节标题 */
  --fs-body:    15px;
  --fs-secondary: 14px;

  /* ── 动效时长（微交互 120 / 组件 200 / 揭幕 400）── */
  --dur-fast: 120ms; --dur-base: 200ms; --dur-reveal: 400ms;
}

/* 字体：自托管子集（仅含本站文案用到的 890 个字符 + ASCII + 标点）。
   源字体 MiSans / Noto Serif SC 全量 woff2 各 1.5~5MB 且无 unicode-range 分片，
   直连 CDN 会让首屏字体流量到 16MB；子集化后合计 560KB。
   缺字按字体栈逐字回退到 PingFang SC，不会出豆腐块；改文案后如需新字形，
   重跑 scripts/build-fonts.sh。*/
@font-face { font-family:'MiSans'; src:url('/fonts/misans-regular.woff2') format('woff2'); font-weight:400; font-style:normal; font-display:swap; }
@font-face { font-family:'MiSans'; src:url('/fonts/misans-medium.woff2') format('woff2'); font-weight:500; font-style:normal; font-display:swap; }
@font-face { font-family:'MiSans'; src:url('/fonts/misans-semibold.woff2') format('woff2'); font-weight:600; font-style:normal; font-display:swap; }
@font-face { font-family:'Noto Serif SC'; src:url('/fonts/noto-serif-sc-700.woff2') format('woff2'); font-weight:700; font-style:normal; font-display:swap; }
@font-face { font-family:'JetBrains Mono'; src:url('/fonts/jetbrains-mono-400.woff2') format('woff2'); font-weight:400; font-style:normal; font-display:swap; }
@font-face { font-family:'JetBrains Mono'; src:url('/fonts/jetbrains-mono-500.woff2') format('woff2'); font-weight:500; font-style:normal; font-display:swap; }

* { box-sizing: border-box; margin: 0; padding: 0; }
/* 锚点跳转给吸顶导航让位：TOC/页内链接滚动到位后标题不被 60px 导航压住 */
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
::selection { background: var(--color-accent); color: var(--color-accent-ink); }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

/* ── 跳到内容（键盘可达性，仅聚焦时现身）── */
.skip {
  position: fixed; top: 10px; left: 10px; z-index: 100;
  padding: 9px 16px; border-radius: var(--radius);
  background: var(--color-accent); color: var(--color-accent-ink);
  font-size: 13px; font-weight: 500;
  transform: translateY(-160%); transition: transform var(--dur-base) var(--ease-out);
}
.skip:focus-visible { transform: none; outline-offset: -2px; }

/* 数字对齐：时间轴读数 / 版本号 / 进度计数一律等宽数字 */
.tclock, .session-meta, .ptl-num, .ptl-text, .rm-flag-num,
.dl-os small, .hero-meta, .cta-meta, .proof-head span:last-child {
  font-variant-numeric: tabular-nums;
}

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 28px; }

/* ── 导航（theme BrandLockup 家族规格：云朵标 + ZMZAI · Lectern） ── */
nav {
  position: sticky; top: 0; z-index: 50;
  background: oklch(1 0 0 / 0.86);
  -webkit-backdrop-filter: saturate(1.6) blur(12px);
  backdrop-filter: saturate(1.6) blur(12px);
  border-bottom: 1px solid var(--color-line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.lockup { display: inline-flex; align-items: center; gap: 9px; }
.lockup img { width: 22px; height: 22px; object-fit: contain; display: block; }
.lockup-word { font-weight: 600; font-size: 16px; letter-spacing: -0.02em; line-height: 1; white-space: nowrap; }
.lockup-sub { font-weight: 400; font-size: 11px; letter-spacing: 0; color: var(--color-ink-2); margin-left: 3px; }
.nav-links { display: flex; align-items: center; gap: 24px; font-size: 13.5px; color: var(--color-ink-2); }
.nav-links a { transition: color var(--dur-base) var(--ease-out); }
/* 触屏无 hover：hover 态样式统一包在 (hover: hover) 里，防止点按后样式"粘住"（sticky hover） */
@media (hover: hover) { .nav-links a:hover { color: var(--color-accent); } }
.nav-links a:active { color: var(--color-accent-strong); }
/* 当前页：色变之外加短下划线，不靠颜色单独传状态 */
.nav-links a.active { color: var(--color-accent); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 6px; }
.nav-cta {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 15px; border-radius: 9999px;
  background: var(--color-accent); color: var(--color-accent-ink);
  font-size: 12.5px; font-weight: 500;
  transition: background var(--dur-base) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
@media (hover: hover) { .nav-cta:hover { background: var(--color-accent-strong); color: var(--color-accent-ink); } }
.nav-cta:active { transform: scale(0.98); }

/* 汉堡按钮(默认隐藏,≤760px 显示;展开面板替换原粗暴全隐藏) */
.nav-burger {
  display: none; padding: 0; border: 0; background: none; cursor: pointer;
  width: 44px; height: 44px; align-items: center; justify-content: center;
}
.nav-burger i { display: block; width: 18px; height: 1.5px; background: var(--color-ink); position: relative; transition: background 200ms var(--ease-out); }
.nav-burger i::before, .nav-burger i::after { content: ""; position: absolute; left: 0; width: 18px; height: 1.5px; background: var(--color-ink); transition: transform 250ms var(--ease-out), top 250ms var(--ease-out); }
.nav-burger i::before { top: -5px; }
.nav-burger i::after { top: 5px; }
.nav-burger[aria-expanded="true"] i { background: transparent; }
.nav-burger[aria-expanded="true"] i::before { top: 0; transform: rotate(45deg); }
.nav-burger[aria-expanded="true"] i::after { top: 0; transform: rotate(-45deg); }
@media (max-width: 760px) {
  .nav-burger { display: inline-flex; }
  .nav-links { position: absolute; top: 60px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: oklch(1 0 0 / 0.98); border-bottom: 1px solid var(--color-line); box-shadow: 0 20px 40px -24px oklch(0.21 0.008 265 / 0.3); display: none; padding: 6px 28px 18px; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; border-top: 1px solid var(--color-line); font-size: 14.5px; }
  .nav-links a:first-child { border-top: 0; }
  .nav-links .nav-cta { margin-top: 14px; justify-content: center; border-top: 1px solid var(--color-line); }
}

/* ── Hero（双栏：左文案 + 右终端实况，产品即视觉主体） ── */
.hero { padding: 84px 0 88px; }
.hero-grid {
  display: grid; grid-template-columns: 1.02fr 0.98fr;
  gap: 56px; align-items: center;
}
.release-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border: 1px solid var(--color-line-strong); border-radius: 9999px;
  font-family: var(--font-mono); font-size: 12px; color: var(--color-ink-2);
  margin-bottom: 24px;
}
.pill-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--color-live); flex: none; }
h1 {
  font-family: var(--font-serif); font-weight: 700; letter-spacing: -0.01em;
  font-size: var(--fs-page); line-height: 1.18;
}
.hero-desc { margin-top: 20px; max-width: 520px; font-size: 16.5px; line-height: 1.75; color: var(--color-ink-2); }
.hero-actions { margin-top: 32px; display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }

/* ── 按钮（theme landing kit 胶囊规格 · 八态中的 Default/Hover/Active/Focus）── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 22px; border-radius: 9999px;
  font-size: 14px; font-weight: 500; cursor: pointer;
  border: 1.5px solid var(--color-accent);
  transition: background var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out),
              color var(--dur-base) var(--ease-out),
              transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
}
.btn .arrow { display: inline-block; transition: transform 250ms var(--ease-out); }
@media (hover: hover) { .btn:hover .arrow { transform: translateX(4px); } }
@media (hover: hover) { .btn:hover { transform: translateY(-1px); } }
.btn:active { transform: scale(0.98) translateY(0); transition-duration: 80ms; }
.btn-solid { background: var(--color-accent); color: var(--color-accent-ink); }
@media (hover: hover) { .btn-solid:hover { background: var(--color-accent-strong); border-color: var(--color-accent-strong); box-shadow: var(--shadow-lg); } }
.btn-outline { background: transparent; color: var(--color-ink); }
@media (hover: hover) { .btn-outline:hover { background: var(--color-accent); color: var(--color-accent-ink); box-shadow: var(--shadow-lg); } }
.hero-meta { font-family: var(--font-mono); font-size: 12px; color: var(--color-ink-2); }

/* ── 章节（Editorial 左对齐，mono 眉标 + 衬线 h2） ── */
section { border-top: 1px solid var(--color-line); padding: 72px 0; }
.sec-eyebrow { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.16em; color: var(--color-ink-2); margin-bottom: 14px; }
h2 { font-family: var(--font-serif); font-weight: 700; font-size: var(--fs-h2); letter-spacing: -0.01em; line-height: 1.25; }
/* 大标题两行断行按语义平衡，不支持的浏览器静默降级为普通断行 */
h1, h2 { text-wrap: balance; }
.sec-desc { margin-top: 12px; max-width: 640px; color: var(--color-ink-2); font-size: 14.5px; line-height: 1.8; }

/* ── 特性：编号清单（戒律 6：不做成排图标卡） ── */
.features { margin-top: 44px; }
.feature-row {
  display: grid; grid-template-columns: 72px 260px 1fr; gap: 24px;
  padding: 22px 0; border-top: 1px solid var(--color-line);
}
.feature-row:first-child { border-top: none; }
.feature-no { font-family: var(--font-mono); font-size: 13px; color: var(--color-ink-2); padding-top: 3px; }
.feature-name { font-weight: 600; font-size: 15px; line-height: 1.5; }
.feature-name small { display: block; font-family: var(--font-mono); font-weight: 400; font-size: 11px; color: var(--color-ink-2); margin-top: 3px; }
.feature-text { color: var(--color-ink-2); font-size: 14px; line-height: 1.8; }
@media (max-width: 760px) {
  .feature-row { grid-template-columns: 48px 1fr; }
  .feature-text { grid-column: 2; }
}

@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; gap: 44px; } }

/* ── 下载区 ── */
.dl-release { margin-top: 14px; max-width: 720px; font-size: 14.5px; line-height: 1.85; color: var(--color-ink-2); }
.dl-table { margin-top: 44px; }
.dl-row {
  display: grid; grid-template-columns: 200px 1fr; gap: 24px; align-items: center;
  padding: 20px 0; border-top: 1px solid var(--color-line);
}
.dl-row:first-child { border-top: none; }
.dl-os b { font-size: 15px; font-weight: 600; display: block; }
.dl-os small { font-family: var(--font-mono); font-size: 11px; color: var(--color-ink-2); }
.dl-links { display: flex; flex-wrap: wrap; gap: 18px; font-size: 13.5px; align-items: center; }
.dl-links a { color: var(--color-ink-2); border-bottom: 1px solid var(--color-line-strong); padding-bottom: 1px; transition: color var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out); }
@media (hover: hover) { .dl-links a:hover { color: var(--color-accent); border-color: var(--color-accent); } }
.dl-links a:active { color: var(--color-accent-strong); border-color: var(--color-accent-strong); }
.dl-links .mono { font-family: var(--font-mono); font-size: 12.5px; }
.dl-note { margin-top: 28px; font-size: 13px; color: var(--color-ink-2); line-height: 1.9; }
.dl-note code, .dl-links code { font-family: var(--font-mono); font-size: 11.5px; background: var(--color-surface-2); border: 1px solid var(--color-line); border-radius: var(--radius-sm); padding: 1px 6px; }

/* ── 生态矩阵 ── */
.eco-grid { margin-top: 44px; display: grid; grid-template-columns: 1fr 1fr; gap: 0 56px; }
@media (max-width: 760px) { .eco-grid { grid-template-columns: 1fr; } }
.eco-row { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding: 16px 0; border-top: 1px solid var(--color-line); }
.eco-name { display: flex; align-items: baseline; gap: 10px; min-width: 0; }
.eco-name b { font-family: var(--font-serif); font-size: 17px; font-weight: 700; }
.eco-name span { font-family: var(--font-mono); font-size: 11px; color: var(--color-ink-2); }
.eco-link { font-family: var(--font-mono); font-size: 12px; color: var(--color-ink-2); white-space: nowrap; transition: color 200ms var(--ease-out); }
@media (hover: hover) { a.eco-link:hover { color: var(--color-accent); } }
.eco-here { font-family: var(--font-mono); font-size: 11px; color: var(--color-live); }

/* ── Footer ── */
footer { border-top: 1px solid var(--color-line); padding: 40px 0 56px; }
.foot-inner { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 12px; }
.foot-left { font-family: var(--font-mono); font-size: 12px; color: var(--color-ink-2); }
.foot-links { display: flex; gap: 22px; font-size: 13px; color: var(--color-ink-2); }
@media (hover: hover) { .foot-links a:hover { color: var(--color-accent); } }

/* ── 动效基座：scroll reveal + nav 滚动态（克制：只动 opacity/transform；
      揭幕 ≤400ms 不拖慢滚动，逐级延迟 60ms 步进） ── */
/* 揭幕动效只在 JS 已接管时生效（<head> 里那行加 html.js）：
   theme.js 加载失败或禁用 JS 时，内容不能停在 opacity:0 的整页空白态 */
html.js .reveal { opacity: 0; transform: translateY(10px); transition: opacity var(--dur-reveal) var(--ease-out), transform var(--dur-reveal) var(--ease-out); }
html.js .reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 60ms; }
.reveal[data-delay="2"] { transition-delay: 120ms; }
.reveal[data-delay="3"] { transition-delay: 180ms; }
nav.scrolled { box-shadow: 0 1px 0 var(--color-line-strong), 0 10px 28px -18px oklch(0.21 0.008 265 / 0.25); }
@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .wb-status i, .demo-state i { animation: none; }
}

/* ── 工作流三步骤（数字 Editorial，不做图标卡） ── */
.flow-grid { margin-top: 44px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 44px; }
@media (max-width: 760px) { .flow-grid { grid-template-columns: 1fr; gap: 30px; } }
.flow-step { border-top: 1px solid var(--color-line-strong); padding-top: 18px; }
.flow-no { font-family: var(--font-mono); font-size: 13px; color: var(--color-ink-2); transition: color 250ms var(--ease-out); }
@media (hover: hover) { .flow-step:hover .flow-no { color: var(--color-accent); } }
.flow-name { margin-top: 10px; font-family: var(--font-serif); font-size: 19px; font-weight: 700; letter-spacing: -0.01em; }
.flow-tag { display: block; margin-top: 4px; font-family: var(--font-mono); font-size: 11px; color: var(--color-ink-2); }
.flow-step p { margin-top: 12px; font-size: 14px; line-height: 1.8; color: var(--color-ink-2); }

/* ── Local-first 三格（border 卡 + hover 提位） ── */
.local-grid { margin-top: 44px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 760px) { .local-grid { grid-template-columns: 1fr; } }
.local-card {
  border: 1px solid var(--color-line); border-radius: var(--radius-lg); padding: 22px 20px;
  background: var(--color-bg);
  transition: border-color 200ms var(--ease-out), transform 200ms var(--ease-out), box-shadow 200ms var(--ease-out);
}
@media (hover: hover) { .local-card:hover { border-color: var(--color-line-strong); transform: translateY(-2px); box-shadow: var(--shadow-lg); } }
.local-tag { font-family: var(--font-mono); font-size: 11px; color: var(--color-ink-2); }
.local-code { font-family: var(--font-mono); font-size: 11.5px; background: var(--color-surface-2); border: 1px solid var(--color-line); border-radius: var(--radius-sm); padding: 1px 5px; }
.local-name { margin-top: 8px; font-weight: 600; font-size: 15px; }
.local-card p { margin-top: 8px; font-size: 14px; line-height: 1.75; color: var(--color-ink-2); }

/* ── FAQ（原生 details 折叠，零 JS） ── */
.faq-list { margin-top: 36px; max-width: 720px; }
details.faq { border-top: 1px solid var(--color-line); }
details.faq:last-child { border-bottom: 1px solid var(--color-line); }
summary.faq-q {
  cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 18px 4px; font-weight: 500; font-size: 15px;
  transition: color 200ms var(--ease-out);
}
@media (hover: hover) { summary.faq-q:hover { color: var(--color-accent); } }
summary.faq-q:active { color: var(--color-accent-strong); }
summary.faq-q::-webkit-details-marker { display: none; }
summary.faq-q::after { content: "+"; font-family: var(--font-mono); font-size: 16px; color: var(--color-ink-3); transition: transform 250ms var(--ease-out); }
details[open] summary.faq-q::after { transform: rotate(45deg); }
.faq-a { padding: 0 4px 22px; font-size: 14px; line-height: 1.85; color: var(--color-ink-2); }
.faq-a code { font-family: var(--font-mono); font-size: 12px; background: var(--color-surface-2); border: 1px solid var(--color-line); border-radius: var(--radius-sm); padding: 1px 6px; }

/* ── CTA 收尾（居中大字，留白收束） ── */
.cta-block { margin-top: 0; text-align: center; }
.cta-block h2 { font-size: clamp(28px, 3.6vw, 38px); }
.cta-block .sec-desc { margin-left: auto; margin-right: auto; }
.cta-actions { margin-top: 28px; display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.cta-meta { margin-top: 18px; font-family: var(--font-mono); font-size: 12px; color: var(--color-ink-2); }

/* ── feature 行 hover 微交互（编号染色 + 名称轻移） ── */
.feature-no { transition: color 200ms var(--ease-out); }
.feature-name { transition: transform 250ms var(--ease-out); }
@media (hover: hover) { .feature-row:hover .feature-no { color: var(--color-accent); } }
@media (hover: hover) { .feature-row:hover .feature-name { transform: translateX(3px); } }

/* ── v1.0 沉浸式产品叙事：工作台即主视觉 ── */
.hero { padding: 0; max-width: none; }
/* hero 舞台:墨骨白底「灯箱」— 终端面板保留深色,视觉回归白底墨黑 */
.hero-stage {
  position: relative; overflow: hidden; isolation: isolate;
  min-height: auto; padding: 84px 0 104px;
  color: var(--color-ink); background: var(--color-bg);
}
/* 墨底开场：极淡点阵做技术底纹（DevTools 语境的合法网格语汇），
   径向 mask 只留在面板一侧，不与文字抢戏 */
.hero-stage::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background-image: radial-gradient(oklch(1 0 0 / .05) 1px, transparent 1.5px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(ellipse 85% 78% at 72% 42%, black, transparent 74%);
  mask-image: radial-gradient(ellipse 85% 78% at 72% 42%, black, transparent 74%);
}
.hero-stage::after { content: none; }
.hero-stage > .wrap { position: relative; z-index: 1; }
.hero-grid { grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
.hero-stage .release-pill { border-color: var(--color-line-strong); color: var(--color-ink-2); }
.hero-stage h1 { font-size: var(--fs-display); max-width: 600px; line-height: 1.12; }
/* 品红句号：全 hero 唯一一次点睛，落在大标题收笔处 */
.hero-stage h1 em { font-style: normal; color: var(--color-spot); }
.hero-stage .hero-desc { color: var(--color-ink-2); max-width: 480px; }
.hero-stage .btn-solid { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-accent-ink); }
@media (hover: hover) { .hero-stage .btn-solid:hover { background: var(--color-accent-strong); border-color: var(--color-accent-strong); } }
.hero-stage .btn-outline { color: var(--color-ink); border-color: var(--color-line-strong); }
@media (hover: hover) { .hero-stage .btn-outline:hover { background: var(--color-accent); color: var(--color-accent-ink); border-color: var(--color-accent); } }
.hero-stage .hero-meta { color: var(--color-ink-2); }
.workbench-scene { position: relative; min-height: 420px; }
.wb {
  position: relative; width: 100%; overflow: hidden;
  border: 1px solid oklch(1 0 0 / .09); border-radius: 11px;
  background: oklch(.14 .008 265);
  box-shadow: 0 1px 1px oklch(.2 .02 265 / .06), 0 24px 60px -18px oklch(.2 .03 265 / .28), 0 60px 120px -40px oklch(.2 .03 265 / .18);
}
.wb-bar { height: 42px; display: flex; align-items: center; gap: 12px; padding: 0 15px; border-bottom: 1px solid oklch(1 0 0 / .09); color: oklch(.64 .01 265); font: 11px var(--font-mono); }
.dots { display: flex; gap: 6px; }.dots i { width: 8px; height: 8px; border-radius: 50%; background: oklch(.45 .01 265); }.dots i:first-child { background: var(--color-spot-strong); }
.wb-title { color: oklch(.84 .005 265); }
.wb-status { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; color: oklch(.64 .01 265); }
.wb-status i { width: 6px; height: 6px; border-radius: 50%; background: var(--color-live); box-shadow: 0 0 14px var(--color-live); animation: wb-pulse 1.6s ease-in-out infinite; }
.wb-status.rewound i { background: var(--color-spot); box-shadow: 0 0 14px var(--color-spot); animation: none; }
@keyframes wb-pulse { 0%,100% { opacity: 1; } 50% { opacity: .3; } }
.wb-body { min-height: 328px; display: grid; grid-template-columns: 138px 1fr 152px; }
.wb-side { padding: 14px 0; border-right: 1px solid oklch(1 0 0 / .09); background: oklch(.165 .008 265); }
.side-brand { padding: 0 14px 12px; color: oklch(.54 .01 265); font: 9.5px/1 var(--font-mono); letter-spacing: .22em; }
.side-new { margin: 0 12px 14px; padding: 7px 0; text-align: center; border: 1px solid oklch(1 0 0 / .15); border-radius: 4px; color: oklch(.84 .004 265); font: 10px/1 var(--font-mono); }
.side-cap { padding: 0 14px 8px; color: oklch(.54 .01 265); font: 9px/1 var(--font-mono); letter-spacing: .1em; }
.side-item { padding: 7px 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; border-left: 2px solid transparent; color: oklch(.68 .01 265); font: 10.5px/1.4 var(--font-mono); }
.side-item.on { border-left-color: var(--color-spot); color: oklch(.92 .004 265); background: oklch(1 0 0 / .05); }
.wb-main { padding: 16px 18px; display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.session-meta { color: oklch(.56 .01 265); font: 9px/1 var(--font-mono); letter-spacing: .08em; }
.msg { max-width: 92%; min-height: 0; }
.msg-user { align-self: flex-end; padding: 8px 12px; border-radius: 9px 9px 2px 9px; background: oklch(1 0 0 / .07); color: oklch(.90 .004 265); font-size: 12px; line-height: 1.7; }
.msg-agent { align-self: flex-start; color: oklch(.70 .01 265); font-size: 12px; line-height: 1.75; }
.msg-agent b { color: oklch(.92 .004 265); font-weight: 600; }
.edit-block { align-self: stretch; padding: 9px 12px; border: 1px solid oklch(1 0 0 / .10); border-left: 2px solid var(--color-spot); border-radius: 6px; background: oklch(.165 .008 265); font: 10.5px/1.8 var(--font-mono); }
.edit-tag { color: var(--color-spot); font-weight: 700; margin-right: 8px; }
.edit-path { color: oklch(.90 .004 265); }
.edit-diff { margin-top: 2px; color: oklch(.64 .01 265); min-height: 1em; }
.composer { margin-top: auto; padding: 9px 12px; display: flex; justify-content: space-between; border: 1px solid oklch(1 0 0 / .15); border-radius: 6px; color: oklch(.48 .01 265); font: 10.5px/1 var(--font-mono); }
.composer i { color: oklch(.64 .01 265); font-style: normal; }
.wb-changes { padding: 14px 12px; border-left: 1px solid oklch(1 0 0 / .09); background: oklch(.165 .008 265); font-family: var(--font-mono); }
.ch-cap { margin-bottom: 12px; color: oklch(.48 .01 265); font: 9px/1 var(--font-mono); letter-spacing: .18em; }
.ch-item { display: flex; align-items: center; gap: 7px; padding: 5px 0; color: oklch(.70 .01 265); font-size: 10.5px; }
.ch-item .plus { color: var(--color-live); }
.ch-tests { margin-top: 12px; padding-top: 12px; border-top: 1px solid oklch(1 0 0 / .09); color: var(--color-live); font-size: 10.5px; }
.wb-foot { display: flex; align-items: center; gap: 12px; padding: 10px 15px; border-top: 1px solid oklch(1 0 0 / .09); background: oklch(.165 .008 265); }
.pp { flex: none; width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; border: 1px solid oklch(1 0 0 / .15); border-radius: 6px; background: transparent; cursor: pointer; padding: 0; transition: transform var(--dur-fast) var(--ease-out); }
.pp:active { transform: scale(0.96); }
.pp svg { width: 10px; height: 10px; fill: oklch(.70 .01 265); }
@media (hover: hover) { .pp:hover svg { fill: oklch(.92 .004 265); } }
.track { position: relative; flex: 1; min-width: 0; height: 44px; cursor: ew-resize; touch-action: none; }
.track::before { content: ""; position: absolute; left: 0; right: 0; top: 20px; height: 3px; border-radius: 2px; background: oklch(1 0 0 / .10); }
.track-fill { position: absolute; left: 0; top: 20px; height: 3px; border-radius: 2px; background: linear-gradient(90deg, oklch(.66 .24 27 / .55), var(--color-spot)); width: 0%; }
.head { position: absolute; top: 15px; left: 0%; width: 13px; height: 13px; border-radius: 50%; background: oklch(1 0 0); border: 2px solid var(--color-spot); transform: translateX(-50%); box-shadow: 0 1px 4px oklch(0 0 0 / .5); }
.tick { position: absolute; top: 18px; width: 1px; height: 7px; background: oklch(1 0 0 / .16); }
.tclock { flex: none; color: oklch(.56 .01 265); font: 9.5px/1 var(--font-mono); letter-spacing: .04em; }
.scene-orbit { position: absolute; width: 340px; height: 340px; right: -90px; bottom: -100px; border: 1px solid oklch(.66 .24 27 / .26); border-radius: 50%; z-index: -1; }.scene-orbit::before,.scene-orbit::after { content: ""; position: absolute; border: 1px solid oklch(.66 .24 27 / .15); border-radius: 50%; inset: 29px; }.scene-orbit::after { inset: 72px; }

/* ═══ 墨底开场（hero-stage.band-dark）：面板从「白底上的深窗」变为「墨舞台上的悬浮屏」═══ */
.band-dark.hero-stage .wb {
  background: oklch(0.205 0.007 265);
  border-color: oklch(1 0 0 / .09);
  box-shadow: 0 0 0 1px oklch(1 0 0 / .055), 0 30px 70px -22px oklch(0 0 0 / .6), 0 70px 140px -50px oklch(.2 .03 265 / .5);
  will-change: transform;
}
.band-dark.hero-stage .scene-orbit { border-color: oklch(.66 .24 27 / .18); }
.band-dark.hero-stage .scene-orbit::before { border-color: oklch(.66 .24 27 / .11); }
.band-dark.hero-stage .scene-orbit::after { border-color: oklch(.66 .24 27 / .07); }

/* ═══ 武器区翻白：墨底开场之后立刻撞上白底，恢复全站白/墨交替 ═══
   arsenal 系列样式统一引用 --color-dark-ink/line，这里局部重映射即可整块翻转。
   用 class 而非 #id 作用域：0.11 内容更新时该 section 从 #v10 改名 #v11，
   规则失配过——白底上留着近白文字，整块主打区几乎不可见。 */
.arsenal-band {
  --color-dark-ink: var(--color-ink);
  --color-dark-line: var(--color-line);
  background: var(--color-bg);
  color: var(--color-ink);
}
/* 品红 em 在白底改为「黑字 + 品红马克笔高亮」：撞色更强且对比无虞 */
.arsenal-band .arsenal-head h2 em {
  color: var(--color-ink);
  background: linear-gradient(to top, oklch(0.66 0.24 27 / .35) 0 24%, transparent 24%);
  padding: 0 .06em;
}
/* 白底武器区的品红点睛：大编号（大字号 ≥3:1）与清单 ▸ 项目符 */
.arsenal-band .arsenal-id .no { color: var(--color-spot-strong); }
.arsenal-band .arsenal-mech li::before { color: var(--color-spot-strong); opacity: 1; }
/* ── 执行脉冲电路：READ→EDIT→AUTHORIZE→DIFF→COMMIT，一颗品红脉冲沿线跑，
      逐站点亮（loop 即产品，Brand Expression；只动 transform/opacity）── */
.run-circuit {
  position: absolute; z-index: 2;
  right: max(28px, calc((100vw - 1040px) / 2 + 28px)); bottom: 24px;
  display: flex; align-items: center; gap: 22px;
  font: 10px var(--font-mono); letter-spacing: .08em;
}
.run-circuit::before {
  content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px;
  background: oklch(1 0 0 / .12);
}
.rc-tag { display: inline-flex; align-items: center; gap: 6px; color: oklch(.62 .012 265); padding-right: 20px; }
.rc-tag b { color: oklch(.85 .005 265); font-weight: 500; }
.rc-tag i { width: 6px; height: 6px; border-radius: 50%; background: var(--color-live); animation: wb-pulse 1.6s ease-in-out infinite; }
.rc-node { position: relative; padding: 10px 0 10px 13px; color: oklch(.58 .012 265); transition: none; }
.rc-node::before {
  content: ""; position: absolute; left: 0; top: 50%; width: 5px; height: 5px;
  margin-top: -2.5px; border-radius: 50%;
  background: oklch(1 0 0 / .28);
  animation: rc-light 8s var(--ease-out) infinite;
  animation-delay: calc(1.05s + var(--i) * 1.55s);
}
.rc-node { animation: rc-label 8s var(--ease-out) infinite; animation-delay: calc(1.05s + var(--i) * 1.55s); }
.rc-pulse {
  position: absolute; top: 50%; left: 0; width: 30px; height: 2px; margin-top: -1px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--color-spot-strong));
  animation: rc-run 8s cubic-bezier(.45, .05, .55, .95) infinite;
}
@keyframes rc-run {
  0% { left: 0; opacity: 0; }
  3% { opacity: 1; }
  97% { opacity: 1; }
  100% { left: calc(100% - 30px); opacity: 0; }
}
@keyframes rc-light {
  0%, 12% { background: oklch(1 0 0 / .28); }
  16%, 38% { background: var(--color-spot-strong); }
  44%, 100% { background: oklch(1 0 0 / .28); }
}
@keyframes rc-label {
  0%, 12% { color: oklch(.58 .012 265); }
  16%, 38% { color: oklch(.92 .004 265); }
  44%, 100% { color: oklch(.58 .012 265); }
}
@media (prefers-reduced-motion: reduce) {
  .rc-pulse { display: none; }
  .rc-node::before, .rc-node, .rc-tag i { animation: none; }
  .rc-node::before { background: oklch(1 0 0 / .4); }
  .rc-node { color: oklch(.7 .01 265); }
}

/* ── 工作流：产品局部画面承接三步 ── */
.flow-grid { gap: 20px; }.flow-step { padding-top: 0; border-top: 0; }.flow-vignette { position: relative; height: 170px; margin-bottom: 20px; padding: 15px; overflow: hidden; border: 1px solid var(--color-line-strong); border-radius: 8px; background: var(--color-surface-2); color: var(--color-ink-2); font: 10px var(--font-mono); }.flow-vignette::before { content: "LECTERN"; display: block; margin-bottom: 13px; color: var(--color-ink-3); font-size: 9px; letter-spacing: .11em; }.prompt-box { padding: 10px; border: 1px solid var(--color-line-strong); border-radius: 4px; background: var(--color-bg); color: var(--color-ink-2); line-height: 1.65; }.prompt-box span { color: var(--color-ink-3); }.prompt-send { position: absolute; right: 16px; bottom: 16px; padding: 5px 8px; border-radius: 3px; background: var(--color-accent); color: var(--color-accent-ink); font-size: 9px; }.permission-dialog { position: absolute; right: 12px; left: 35px; bottom: 14px; padding: 13px; border: 1px solid var(--color-line-strong); border-radius: 6px; background: var(--color-bg); box-shadow: var(--shadow-lg); }.permission-dialog b { color: var(--color-ink); }.permission-dialog p { margin: 5px 0 9px; color: var(--color-ink-3); font-size: 9px; }.permission-actions { display: flex; gap: 6px; }.permission-actions span { padding: 4px 7px; border: 1px solid var(--color-line-strong); border-radius: 3px; }.permission-actions span:last-child { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-accent-ink); }.diff-vignette { margin: 0 -15px -15px; padding: 14px 15px; background: var(--color-dark-bg); color: oklch(.74 .01 265); line-height: 1.7; }.diff-vignette .plus { color: oklch(.72 .13 145); }.diff-vignette .minus { color: var(--color-spot); }.diff-vignette em { color: oklch(.95 .004 265); font-style: normal; }.flow-name { margin-top: 0; }.flow-step p { max-width: 280px; }

/* ── 特性与本地优先：视觉证据而非重复卡片 ── */
.feature-proof { margin-top: 42px; overflow: hidden; border: 1px solid var(--color-dark-line); border-radius: 9px; background: var(--color-dark-bg); box-shadow: var(--shadow-lg); }.proof-head { display: flex; align-items: center; gap: 9px; padding: 12px 16px; border-bottom: 1px solid var(--color-dark-line); color: oklch(.70 .01 265); font: 10px var(--font-mono); }.proof-head b { color: oklch(.93 .004 265); font-weight: 500; }.proof-head span:last-child { margin-left: auto; color: oklch(.72 .13 145); }.proof-grid { display: grid; grid-template-columns: 1fr 1fr; }.proof-code { padding: 18px 20px; color: oklch(.72 .01 265); font: 11px/1.85 var(--font-mono); }.proof-code .added { display: block; margin: 1px -8px; padding: 0 8px; color: oklch(.82 .15 145); background: oklch(.45 .10 145 / .18); }.proof-code .removed { display: block; margin: 1px -8px; padding: 0 8px; color: oklch(.78 .17 27); background: oklch(.48 .17 27 / .15); }.proof-aside { padding: 18px; border-left: 1px solid var(--color-dark-line); color: oklch(.69 .01 265); font: 10px/1.9 var(--font-mono); }.proof-aside b { display: block; margin-bottom: 8px; color: oklch(.90 .004 265); font-size: 11px; }.proof-aside .file { display: flex; justify-content: space-between; padding: 5px 0; border-top: 1px solid oklch(1 0 0 / .09); }.proof-aside .file span:last-child { color: oklch(.72 .13 145); }
.local-grid { gap: 0; border-top: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); }.local-card { position: relative; padding: 27px 24px 26px; border: 0; border-right: 1px solid var(--color-line); border-radius: 0; background: transparent; }.local-card:last-child { border-right: 0; }@media (hover: hover) {.local-card:hover { transform: none; box-shadow: none; border-color: var(--color-line); background: var(--color-surface-2); }}.local-card::after { content: ""; position: absolute; top: 28px; right: 23px; width: 7px; height: 7px; border-radius: 50%; background: var(--color-live); box-shadow: 0 0 0 4px oklch(.499 .17 145 / .12); }.local-card:nth-child(2)::after { background: var(--color-ink-3); box-shadow: none; }.local-card:nth-child(3)::after { animation: status-pulse 2.4s ease-out infinite; }@keyframes status-pulse { 50% { box-shadow: 0 0 0 8px oklch(.499 .17 145 / 0); } }

@media (max-width: 900px) { .hero-stage { min-height: auto; padding: 76px 0 68px; }.hero-grid { grid-template-columns: 1fr; gap: 40px; }.workbench-scene { min-height: 365px; }.wb { margin: 0 auto; }.run-circuit { display: none; } }
@media (max-width: 760px) { .hero-stage { padding-top: 54px; }.hero-stage h1 { font-size: 40px; }.hero-stage .hero-desc { font-size: 15px; }.workbench-scene { min-height: 284px; }.wb { min-height: 280px; }.wb-body { min-height: 238px; grid-template-columns: 84px 1fr; }.wb-side { padding: 10px 0; font-size: 8px; }.side-brand { font-size: 9px; }.wb-changes { display: none; }.wb-main { padding: 13px; }.msg { margin-top: 10px; }.scene-orbit { width: 260px; height: 260px; }.flow-grid { grid-template-columns: 1fr; }.flow-vignette { height: 155px; }.feature-proof .proof-grid { grid-template-columns: 1fr; }.proof-aside { border-top: 1px solid var(--color-dark-line); border-left: 0; }.local-card { border-right: 0; border-bottom: 1px solid var(--color-line); }.local-card:last-child { border-bottom: 0; }.local-grid { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { .local-card:nth-child(3)::after { animation: none; } }

/* ═══ 为什么是 Lectern：三形态对照（终端 CLI / IDE 面板 / Web 控制台） ═══
   纯 CSS tab（radio + label），零 JS；对照不点名，措辞留余地不踩竞品 */
.vs-shell { margin-top: 44px; }
.vs-shell > input[type="radio"] { position: absolute; opacity: 0; pointer-events: none; width: 0; height: 0; margin: 0; }
.vs-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--color-line-strong); }
.vs-tabs label {
  cursor: pointer; user-select: none; -webkit-user-select: none;
  padding: 8px 18px 9px; margin-bottom: -1px;
  font-family: var(--font-mono); font-size: 12px; color: var(--color-ink-2);
  border: 1px solid transparent; border-bottom: none; border-radius: 7px 7px 0 0;
  transition: color var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
@media (hover: hover) { .vs-tabs label:hover { color: var(--color-accent); } }
.vs-tabs label:active { transform: scale(0.98); }
#vs-cli:checked ~ .vs-tabs label[for="vs-cli"],
#vs-ide:checked ~ .vs-tabs label[for="vs-ide"],
#vs-web:checked ~ .vs-tabs label[for="vs-web"] { color: var(--color-accent); border-color: var(--color-line-strong); background: var(--color-bg); }
#vs-cli:focus-visible ~ .vs-tabs label[for="vs-cli"],
#vs-ide:focus-visible ~ .vs-tabs label[for="vs-ide"],
#vs-web:focus-visible ~ .vs-tabs label[for="vs-web"] { outline: 2px solid var(--color-accent); outline-offset: -2px; }
.vs-panel { display: none; }
#vs-cli:checked ~ .vs-panel[data-tab="cli"],
#vs-ide:checked ~ .vs-panel[data-tab="ide"],
#vs-web:checked ~ .vs-panel[data-tab="web"] { display: block; animation: vs-in 300ms var(--ease-out); }
@keyframes vs-in { from { opacity: 0; transform: translateY(6px); } }
@media (prefers-reduced-motion: reduce) { #vs-cli:checked ~ .vs-panel, #vs-ide:checked ~ .vs-panel, #vs-web:checked ~ .vs-panel { animation: none; } }
.vs-note { margin: 26px 0 10px; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-ink-2); }
.vs-head, .vs-row { display: grid; grid-template-columns: 130px 1fr 1.05fr; gap: 22px; }
.vs-head { padding: 10px 0; border-bottom: 1px solid var(--color-line); }
.vs-head span { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-ink-2); }
.vs-head .vs-le { color: var(--color-accent); }
.vs-row { padding: 18px 0; border-bottom: 1px solid var(--color-line); align-items: baseline; }
.vs-dim { font-family: var(--font-mono); font-size: 12px; color: var(--color-ink-2); line-height: 1.6; }
.vs-them { color: var(--color-ink-2); font-size: 14px; line-height: 1.75; }
.vs-le { color: var(--color-ink); font-size: 14px; line-height: 1.75; }
.vs-le b { font-weight: 600; }
@media (max-width: 760px) {
  .vs-head { display: none; }
  .vs-head, .vs-row { grid-template-columns: 1fr; gap: 6px; }
  .vs-row { padding: 16px 0; }
  .vs-them { font-size: 12.5px; }
  .vs-le { font-size: 13px; }
}

/* ═══ Roadmap：三档路线（正在做 / 接下来 / 更远） ═══ */
.rm-grid { margin-top: 44px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 46px; }
@media (max-width: 900px) { .rm-grid { grid-template-columns: 1fr; gap: 34px; } }
.rm-col { border-top: 1px solid var(--color-line-strong); padding-top: 16px; }
.rm-flag { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; color: var(--color-ink-2); }
.rm-col:first-child .rm-flag { color: var(--color-live); }
.rm-col h3 { margin-top: 12px; font-family: var(--font-serif); font-size: 20px; font-weight: 700; letter-spacing: -0.01em; }
.rm-col p { margin-top: 8px; font-size: 13px; line-height: 1.75; color: var(--color-ink-2); }
.rm-items { margin-top: 16px; list-style: none; }
.rm-items li { position: relative; padding: 12px 0 12px 20px; border-top: 1px solid var(--color-line); font-size: 14px; line-height: 1.7; color: var(--color-ink-2); }
.rm-items li:first-child { border-top: none; }
.rm-items li::before {
  content: ""; position: absolute; left: 2px; top: 20px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--color-line-strong);
}
.rm-items li b { display: block; font-weight: 600; color: var(--color-ink); }
.rm-items li small { display: block; margin-top: 2px; font-size: 13px; color: var(--color-ink-2); }
.rm-col:first-child .rm-items li::before { background: var(--color-live); }
@media (prefers-reduced-motion: reduce) { .rm-items li::before { animation: none; } }

/* ═══ 子页(why / roadmap):页首 editorial 区 + 导航当前页 ═══ */
.page-head { padding: 88px 0 8px; }
.page-head h1 { font-family: var(--font-serif); font-weight: 700; font-size: var(--fs-page); line-height: 1.2; letter-spacing: -0.01em; max-width: 680px; }
.page-head .sec-desc { margin-top: 16px; }
.nav-links a.active { color: var(--color-accent); }
/* 子页里紧随页首的区块:去掉重复的顶端粗分隔,让页首自然过渡到内容 */
.page-head + section { border-top: none; padding-top: 48px; }
.page-head + section + section { border-top: 1px solid var(--color-line); }
/* 子页 CTA:页末回下载(浅底 outline,不抢首页主角) */
.sub-cta { text-align: center; padding: 64px 0 72px; }
.sub-cta .sec-desc { margin: 14px auto 0; max-width: 460px; }
.sub-cta .cta-actions { margin-top: 26px; justify-content: center; }
.sub-cta + footer { border-top: none; }

/* ── 子页 page-head 视觉锤(v0.5 加料) ── */
.page-pullquote {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: 8px 6px; margin-top: 32px; padding-top: 22px;
  border-top: 1px solid var(--color-line);
  font-family: var(--font-mono); font-size: 12px; color: var(--color-ink-2);
}
.page-pullquote .pq-cell {
  padding: 4px 10px; border: 1px solid var(--color-line);
  border-radius: var(--radius-sm); background: var(--color-bg);
}
.page-pullquote .pq-them { color: var(--color-ink-2); }
.page-pullquote .pq-le { color: var(--color-ink); border-color: var(--color-line-strong); }
.page-pullquote .pq-vs { color: var(--color-ink-2); padding: 0 2px; }
.page-pullquote .pq-sep { width: 1px; height: 14px; background: var(--color-line); margin: 0 6px; }
@media (max-width: 760px) {
  .page-pullquote { font-size: 11px; gap: 6px 4px; border-top: 1px solid var(--color-line); padding-top: 18px; margin-top: 24px; }
  .page-pullquote .pq-sep { display: none; }
}

/* ── why: 对比表胜出列墨条 + 表底汇总 ── */
.vs-row .vs-le { position: relative; }
.vs-row .vs-le::before {
  content: ""; position: absolute; left: -16px; top: 0; bottom: 0;
  width: 2px; background: var(--color-ink); opacity: 0.85;
}
.vs-summary {
  display: grid; grid-template-columns: 1fr 1fr 1.05fr; gap: 22px;
  margin-top: 8px; padding: 14px 0 6px; border-top: 1px solid var(--color-ink);
  font-family: var(--font-mono); font-size: 11px; color: var(--color-ink-2);
}
.vs-summary .vs-sum-le { color: var(--color-ink); font-weight: 500; }
@media (max-width: 760px) {
  .vs-summary { grid-template-columns: 1fr; gap: 4px; }
  .vs-row .vs-le::before { left: -12px; }
}

/* ── roadmap: 子页首屏 9 项时间缩略 + 进度条 ── */
.page-timeline { margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--color-line); }
.page-timeline .ptl-track { display: flex; align-items: center; gap: 6px; margin-bottom: 14px; }
.page-timeline .ptl-num {
  flex: 1; height: 28px; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 11px; color: var(--color-ink-2);
  border: 1px solid var(--color-line); border-radius: var(--radius-sm); background: var(--color-bg);
}
.page-timeline .ptl-num.ptl-now { color: var(--color-ink); border-color: var(--color-line-strong); background: var(--color-surface-2); }
.page-timeline .ptl-meta { display: flex; align-items: center; gap: 14px; }
.page-timeline .ptl-bar { flex: 1; height: 3px; background: var(--color-line); border-radius: 9999px; overflow: hidden; }
.page-timeline .ptl-bar i { display: block; height: 100%; background: var(--color-ink); transition: width 600ms var(--ease-out); }
.page-timeline .ptl-text { font-family: var(--font-mono); font-size: 11.5px; color: var(--color-ink-2); white-space: nowrap; }
.page-timeline .ptl-text b { color: var(--color-ink); font-weight: 500; }
@media (max-width: 760px) {
  .page-timeline .ptl-num { height: 24px; font-size: 10px; }
  .page-timeline .ptl-text { font-size: 11px; }
  .page-timeline .ptl-meta { flex-wrap: wrap; gap: 10px; }
}

/* ── roadmap: rm-grid 列头数字 + 项底进度条 + 表底脚注 ── */
.rm-flag {
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  padding-bottom: 10px; border-bottom: 1px solid var(--color-line);
}
.rm-flag-tag {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em;
  color: var(--color-ink-2);
}
.rm-flag-num {
  font-family: var(--font-mono); font-size: 10.5px; color: var(--color-ink-2);
}
.rm-col:first-child .rm-flag-tag { color: var(--color-live); }
.rm-items li .rm-li-bar {
  display: block; margin-top: 8px; height: 2px;
  background: var(--color-line); border-radius: 1px; overflow: hidden;
}
.rm-items li .rm-li-bar i { display: block; height: 100%; background: var(--color-ink); }
.rm-col:first-child .rm-items li .rm-li-bar i { background: var(--color-live); }
.rm-grid-foot {
  grid-column: 1 / -1; margin-top: 30px; padding-top: 18px;
  border-top: 1px solid var(--color-ink);
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  font-family: var(--font-mono); font-size: 11.5px; color: var(--color-ink-2);
}
.rm-grid-foot b { color: var(--color-ink); font-weight: 500; }
@media (max-width: 900px) {
  .rm-grid-foot { flex-direction: column; align-items: flex-start; gap: 6px; }
}

/* ── roadmap: FAQ 类别 chip + 桌面右侧浅灰侧引 ── */
.faq-cat {
  display: inline-block; margin-right: 10px; padding: 2px 7px;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em;
  color: var(--color-ink-2); border: 1px solid var(--color-line);
  border-radius: var(--radius-sm); background: var(--color-bg);
}
summary.faq-q { align-items: flex-start; }
#faq .wrap { position: relative; }
#faq .faq-list { width: calc(100% - 252px); }
.faq-side {
  position: absolute; right: 28px; top: 0; width: 220px;
  padding: 16px 18px; border: 1px solid var(--color-line);
  border-radius: var(--radius-lg); background: var(--color-surface-2);
}
.faq-side-q { font-family: var(--font-serif); font-size: 16px; font-weight: 700; color: var(--color-ink); }
.faq-side-text { margin-top: 8px; font-size: 12.5px; line-height: 1.7; color: var(--color-ink-2); }
.faq-side-link {
  display: inline-flex; align-items: center; gap: 4px; margin-top: 12px;
  font-family: var(--font-mono); font-size: 11.5px; color: var(--color-ink);
  border-bottom: 1px solid var(--color-line-strong); padding-bottom: 1px;
}
@media (hover: hover) { .faq-side-link:hover { color: var(--color-accent); border-color: var(--color-accent); } }
@media (max-width: 900px) {
  .faq-side { display: none; }
  #faq .faq-list { width: auto; }
}

@media (max-width: 760px) { .page-head { padding-top: 56px; } }

/* ═══ hero 左列补强(活工作台配套): h1 语义断行 · 强调句 · meta 细线 ═══ */
.hero-stage h1 { line-height: 1.12; }
.hero-desc b { color: var(--color-ink); font-weight: 600; }
.hero-stage .hero-meta { display: inline-flex; align-items: center; gap: 9px; }
.hero-stage .hero-meta::before { content: ""; width: 18px; height: 1px; background: var(--color-line-strong); }

/* ═══ 首页黑白交替 .band-dark: 深色层次靠底色的整块放大 ═══
   纪律: 白段保持白底墨字; 品红/语义绿仍只活在深色叙事面; 不造新颜色 token */
.band-dark {
  --color-surface-2:   oklch(0.225 0.007 265);
  --color-ink:         oklch(0.955 0.002 265);
  --color-ink-2:       oklch(0.70  0.012 265);
  --color-ink-3:       oklch(0.545 0.012 265);
  --color-line:        oklch(0.315 0.007 265);
  --color-line-strong: oklch(0.44  0.010 265);
  --color-accent:        oklch(0.97 0.002 265);
  --color-accent-strong: oklch(1 0 0);
  --color-accent-ink:    oklch(0.15 0.006 265);
  background: var(--color-dark-bg);
  color: var(--color-dark-ink);
  border-top: none;
}
/* feature-proof(深色代码演示块)在黑段里浮起一档, 避免与段底同色糊掉 */
.band-dark .feature-proof {
  background: oklch(0.205 0.007 265);
  box-shadow: 0 0 0 1px oklch(1 0 0 / 0.055), 0 28px 56px -28px oklch(0 0 0 / 0.55);
}
/* 黑面上 mono chip 文字提亮 */
.band-dark .dl-note code,
.band-dark .dl-links code { color: var(--color-dark-ink); }
/* 黑段按钮反白由变量重映射自动完成 */
@media (hover: hover) { .band-dark .btn-solid:hover { background: var(--color-accent-strong); border-color: var(--color-accent-strong); } }

/* ═══ 功能说明页（docs 版式：左侧分组目录 + 右侧逐项讲解） ═══ */
.docs-layout { display: grid; grid-template-columns: 208px minmax(0, 1fr); gap: 56px; margin-top: 48px; }
.docs-side { position: sticky; top: 84px; align-self: start; }
.docs-side-group {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--color-ink-2); margin: 24px 0 8px;
}
.docs-side-group:first-child { margin-top: 0; }
.docs-side a {
  display: block; padding: 5px 0 5px 14px; font-size: 13.5px; color: var(--color-ink-2);
  border-left: 1px solid var(--color-line);
  transition: color 200ms var(--ease-out), border-color 200ms var(--ease-out);
}
@media (hover: hover) { .docs-side a:hover { color: var(--color-ink); border-color: var(--color-line-strong); } }
.docs-side a.active { color: var(--color-accent); border-color: var(--color-accent); font-weight: 500; }
.docs-side .docs-item-no { font-family: var(--font-mono); font-size: 10px; margin-right: 8px; }
.docs-main { max-width: 640px; }
.docs-item { padding: 46px 0 52px; border-top: 1px solid var(--color-line); }
.docs-item:first-child { border-top: none; padding-top: 0; }
.docs-item .docs-no { font-family: var(--font-mono); font-size: 11px; color: var(--color-ink-2); }
.docs-item h2 { margin-top: 10px; font-size: 24px; }
.docs-item .docs-tag { font-family: var(--font-mono); font-size: 11.5px; color: var(--color-ink-2); margin-top: 6px; }
.docs-what { margin-top: 16px; font-size: 14.5px; line-height: 1.85; color: var(--color-ink); }
.docs-what + .docs-what { margin-top: 10px; }
.docs-where { margin-top: 14px; font-size: 13px; line-height: 1.8; color: var(--color-ink-2); }
.docs-where b { font-weight: 600; color: var(--color-ink); }
.docs-how {
  margin-top: 18px; padding: 16px 18px 15px;
  background: var(--color-surface-2); border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
}
.docs-how-t {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--color-ink-2); margin-bottom: 8px;
}
.docs-how ol { list-style: none; counter-reset: how; }
.docs-how li { counter-increment: how; position: relative; padding-left: 24px; font-size: 14px; line-height: 1.8; color: var(--color-ink-2); }
.docs-how li + li { margin-top: 6px; }
.docs-how li::before {
  content: counter(how, decimal-leading-zero);
  position: absolute; left: 0; top: 0;
  font-family: var(--font-mono); font-size: 10.5px; color: var(--color-ink-2); line-height: 2.2;
}
kbd {
  font-family: var(--font-mono); font-size: 11px; color: var(--color-ink);
  background: var(--color-bg); border: 1px solid var(--color-line-strong);
  border-bottom-width: 2px; border-radius: 3px; padding: 1px 5px;
}
.docs-foot-note { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--color-line); font-size: 13px; color: var(--color-ink-2); }
.docs-foot-note a { border-bottom: 1px solid var(--color-line-strong); padding-bottom: 1px; }
@media (hover: hover) { .docs-foot-note a:hover { color: var(--color-accent); border-color: var(--color-accent); } }

/* 回卷演示块：与首页 hero 同构的深色小窗，可拖时间轴回卷 */
.docs-demo {
  margin-top: 22px; overflow: hidden;
  border: 1px solid var(--color-dark-line); border-radius: 9px;
  background: var(--color-dark-bg); box-shadow: var(--shadow-lg);
}
.demo-head {
  display: flex; align-items: center; gap: 9px; padding: 12px 16px;
  border-bottom: 1px solid var(--color-dark-line);
  color: oklch(0.70 0.01 265); font: 10px var(--font-mono);
}
.demo-head b { color: oklch(0.93 0.004 265); font-weight: 500; }
.demo-head .demo-state { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; color: oklch(0.64 0.01 265); }
.demo-head .demo-state i { width: 6px; height: 6px; border-radius: 50%; background: var(--color-live); box-shadow: 0 0 14px var(--color-live); }
.demo-head .demo-state.rewound i { background: var(--color-spot); box-shadow: 0 0 14px var(--color-spot); }
.demo-steps { padding: 16px 18px; display: flex; flex-direction: column; gap: 10px; min-height: 132px; }
.demo-step { font: 10.5px/1.8 var(--font-mono); color: oklch(0.68 0.01 265); opacity: 0.22; transition: opacity 180ms var(--ease-out), color 180ms var(--ease-out); }
.demo-step.on { opacity: 1; color: oklch(0.86 0.004 265); }
.demo-step .st-tag { color: var(--color-spot); font-weight: 700; margin-right: 8px; }
.demo-step .st-path { color: oklch(0.90 0.004 265); }
.demo-step.st-cut { text-decoration: line-through; text-decoration-color: var(--color-spot); }
.demo-foot {
  display: flex; align-items: center; gap: 12px; padding: 10px 15px;
  border-top: 1px solid var(--color-dark-line); background: oklch(0.165 0.008 265);
}
@media (max-width: 900px) {
  .docs-layout { grid-template-columns: 1fr; gap: 32px; margin-top: 36px; }
  .docs-side { display: none; }
}

/* ══════════════════════════════════════════════════════
   v0.10 新能力叙事区（arsenal）——三把新武器
   纪律延续：品红本区全屏仅一次（标题关键短语）；块内强调用
   dark-ink 加粗；不画假浏览器 chrome，机制清单走真实语义
   ══════════════════════════════════════════════════════ */
.arsenal-head { max-width: 46rem; }
.arsenal-head h2 { color: var(--color-dark-ink); }
.arsenal-head h2 em { font-style: normal; color: var(--color-spot); } /* 本区唯一品红 */
.arsenal-list { margin-top: 3.5rem; display: grid; gap: 0; border-top: 1px solid var(--color-dark-line); }
.arsenal-row {
  display: grid; grid-template-columns: 7.5rem minmax(0, 1fr) minmax(0, 1.15fr); gap: 2rem;
  padding: 2.75rem 0; border-bottom: 1px solid var(--color-dark-line);
}
.arsenal-id { display: flex; flex-direction: column; gap: 0.5rem; }
.arsenal-id .no {
  font-family: var(--font-serif); font-weight: 700; font-size: 2.6rem; line-height: 1;
  color: var(--color-dark-ink); letter-spacing: -0.02em;
}
.arsenal-id .cap {
  font-family: var(--font-mono); font-size: 0.6875rem; color: var(--color-dark-ink);
  opacity: 0.68; letter-spacing: 0.08em; text-transform: uppercase;
}
.arsenal-main h3 {
  font-family: var(--font-serif); font-size: 1.5rem; font-weight: 700;
  color: var(--color-dark-ink); line-height: 1.35; letter-spacing: 0.01em;
}
.arsenal-main .sub {
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-dark-ink);
  opacity: 0.68; margin: 0.35rem 0 1rem;
}
.arsenal-main p { color: var(--color-dark-ink); opacity: 0.82; font-size: 0.9375rem; max-width: 26rem; }
.arsenal-main p b { font-weight: 600; opacity: 1; }
.arsenal-mech { display: grid; gap: 0.55rem; align-content: start; }
.arsenal-mech li {
  list-style: none; font-family: var(--font-mono); font-size: 0.75rem; line-height: 1.55;
  color: var(--color-dark-ink); opacity: 0.78;
  padding-left: 1.1rem; position: relative;
}
.arsenal-mech li::before {
  content: "▸"; position: absolute; left: 0; top: 0; opacity: 0.6;
}
.arsenal-mech li b { color: var(--color-dark-ink); opacity: 1; font-weight: 500; }
.arsenal-foot {
  margin-top: 2.5rem; display: flex; flex-wrap: wrap; gap: 0.75rem 2rem;
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-dark-ink); opacity: 0.68;
}
@media (max-width: 900px) {
  .arsenal-row { grid-template-columns: minmax(0, 1fr); gap: 1.25rem; padding: 2.25rem 0; }
  .arsenal-id { flex-direction: row; align-items: baseline; gap: 0.75rem; }
  .arsenal-id .no { font-size: 2rem; }
  .arsenal-main p { max-width: none; }
}
@media (max-width: 480px) {
  .arsenal-row { padding: 1.9rem 0; }
  .arsenal-id .no { font-size: 1.7rem; }
}
@media (prefers-reduced-motion: reduce) {
  .arsenal-list .reveal { transition: none; }
}

.pp:focus-visible, .track:focus-visible { outline: 2px solid var(--color-spot); outline-offset: 3px; }
.hero-actions .hero-meta { flex-basis: 100%; }