/* Ivyea Note 门户 —— 与 Ivyea Translate 门户同一套设计语言（叶绿色系 + 景深背景 + 常春藤画布），
   版式与配色沿用，板块按 Note 的内容重排。 */
:root {
  --accent: #6BA53F;
  --accent-deep: #4D802F;
  --ink: #2E3A28;
  --ink-2: #5C6B54;
  --ink-3: #93A388;
  --card: rgba(255, 255, 255, 0.72);
  --card-line: rgba(255, 255, 255, 0.9);
  --radius: 20px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

html { background: #FBFDF7; }

body {
  font-family: "PingFang SC", "Microsoft YaHei UI", "Noto Sans CJK SC", "Segoe UI", sans-serif;
  color: var(--ink);
  /* 清新浅绿渐变 + 极细噪点纹理增加质感（无照片），顶部柔和光晕 */
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0.25 0 0 0 0 0.35 0 0 0 0 0.2 0 0 0 0.045 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E"),
    radial-gradient(900px 520px at 50% -6%, rgba(255, 253, 240, 0.85), transparent 70%),
    radial-gradient(1200px 700px at 82% 4%, rgba(107, 165, 63, 0.10), transparent 62%),
    linear-gradient(160deg, #F0F6E8 0%, #FBFDF7 46%, #E3EFD7 100%);
  background-attachment: fixed, fixed, fixed, fixed;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---------- 景深背景层：极光色斑 + 虚化叶丛 ---------- */
.bg-deco {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.aurora {
  position: absolute;
  border-radius: 50%;
  filter: blur(64px);
  will-change: transform;
  animation: drift 30s ease-in-out infinite alternate;
}
.a1 {
  width: 58vw; height: 46vw;
  left: -12vw; top: -14vw;
  background: radial-gradient(closest-side, rgba(196, 226, 150, 0.55), transparent 72%);
}
.a2 {
  width: 52vw; height: 44vw;
  right: -14vw; top: 6vh;
  background: radial-gradient(closest-side, rgba(246, 236, 178, 0.6), transparent 70%);
  animation-delay: -10s; animation-duration: 36s;
}
.a3 {
  width: 60vw; height: 50vw;
  left: 18vw; bottom: -24vw;
  background: radial-gradient(closest-side, rgba(168, 214, 196, 0.5), transparent 72%);
  animation-delay: -20s; animation-duration: 42s;
}
@keyframes drift {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(4vw, 3vh) scale(1.12); }
  100% { transform: translate(-3vw, -2vh) scale(0.95); }
}
.bokeh {
  position: absolute;
  user-select: none;
}
.bokeh-l { left: -130px; top: -110px; width: min(640px, 52vw); }
.bokeh-r { right: -110px; bottom: -60px; width: min(600px, 50vw); }
@media (prefers-reduced-motion: reduce) {
  .aurora { animation: none; }
}
@media (max-width: 720px) {
  .bokeh-l { width: 64vw; left: -18vw; top: -12vw; }
  .bokeh-r { width: 62vw; right: -16vw; bottom: -8vw; }
  .aurora { filter: blur(46px); }
}

/* 藤蔓画布铺满整页、垫底 */
#ivy-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

header.nav, main, footer { position: relative; z-index: 1; }

/* ---------- 导航 ---------- */
header.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px clamp(20px, 5vw, 64px);
}
.brand {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--ink);
  font-weight: 700; font-size: 17px; letter-spacing: 0.2px;
}
header.nav nav { display: flex; gap: clamp(14px, 3vw, 30px); align-items: center; }
header.nav nav a {
  color: var(--ink-2); text-decoration: none; font-size: 14.5px;
  transition: color 0.2s;
}
header.nav nav a:hover { color: var(--accent-deep); }
header.nav nav a.gh {
  border: 1px solid rgba(107, 165, 63, 0.4);
  padding: 6px 14px; border-radius: 999px;
}

/* ---------- Hero ---------- */
.hero {
  min-height: calc(100vh - 78px);
  min-height: calc(100svh - 78px);  /* 移动端地址栏收放不跳动 */
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  padding: 0 20px 60px;
  position: relative;
}
.hero h1 {
  font-family: "Noto Serif SC", "Songti SC", "SimSun", serif;
  font-size: clamp(44px, 8vw, 88px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: 2px;
  animation: rise-in 0.9s cubic-bezier(0.22, 0.9, 0.3, 1) both;
}
.hero .sub { animation: rise-in 0.9s 0.15s cubic-bezier(0.22, 0.9, 0.3, 1) both; }
.hero .cta { animation: rise-in 0.9s 0.3s cubic-bezier(0.22, 0.9, 0.3, 1) both; }
.hero .hint { animation: rise-in 0.9s 0.5s cubic-bezier(0.22, 0.9, 0.3, 1) both, breathe 3s 1.4s ease-in-out infinite; }
@keyframes rise-in {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .hero h1, .hero .sub, .hero .cta, .hero .hint { animation: none; }
}
.hero h1 em {
  font-style: normal;
  color: var(--accent-deep);
  background: linear-gradient(120deg, #7FB250, #4D802F);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero .sub {
  margin-top: 22px;
  font-size: clamp(15px, 2.2vw, 19px);
  line-height: 1.9;
  color: var(--ink-2);
}
.cta { margin-top: 38px; display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.btn {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 999px;
  font-size: 15.5px;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}
.btn.primary {
  background: linear-gradient(135deg, #7CB44E, #5B9334);
  color: #fff; font-weight: 600;
  box-shadow: 0 8px 24px rgba(91, 147, 52, 0.35);
}
.btn.primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(91, 147, 52, 0.45); }
.btn.ghost {
  background: var(--card);
  border: 1px solid rgba(107, 165, 63, 0.45);
  color: var(--accent-deep);
}
.btn.ghost:hover { transform: translateY(-2px); background: #fff; }

.plat-note {
  margin-top: 14px;
  color: var(--ink-3);
  font-size: 12.5px;
  letter-spacing: .01em;
}

.hint {
  margin-top: 46px;
  font-size: 13px;
  color: var(--ink-3);
  background: var(--card);
  border: 1px solid var(--card-line);
  padding: 8px 18px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
  animation: breathe 3s ease-in-out infinite;
  transition: opacity 0.8s;
}
.hint.gone { opacity: 0; }
@keyframes breathe { 50% { opacity: 0.55; } }

.scroll-cue {
  position: absolute; bottom: 26px; left: 50%;
  transform: translateX(-50%);
  color: var(--ink-3); text-decoration: none; font-size: 20px;
  animation: bob 2s ease-in-out infinite;
}
@keyframes bob { 50% { transform: translate(-50%, 8px); } }

/* ---------- 截图展示 ---------- */
.showcase { padding: 40px 20px 90px; display: flex; justify-content: center; }
.shot-wrap { position: relative; max-width: 860px; width: 100%; }
/* height: auto 必须有：img 上写了固有尺寸 height="1320"（用来占位防抖版），
   没有它这个属性会被当成真实高度，图片被拉成又高又窄 */
.shot { max-width: 100%; height: auto; }
/* 主图是 2x 截图，自带窗口圆角（透明角）与窗体描边：圆角跟图里对齐，
   描边不再叠（会出现双边） */
.shot.main {
  width: 100%;
  display: block;
  border-radius: 16px;
  box-shadow: 0 24px 60px rgba(60, 90, 40, 0.18);
}
/* 弹窗单独坐在一块毛玻璃托板上（PNG 四周是透明的，背景色/模糊正好从透明处透出来
   形成托板）；投影给托板本身，所以用 box-shadow 而不是 drop-shadow */
.shot.popup {
  position: absolute;
  width: 46%;
  right: -4%;
  bottom: -9%;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(14px) saturate(1.1);
  -webkit-backdrop-filter: blur(14px) saturate(1.1);
  box-shadow: 0 18px 44px rgba(60, 90, 40, 0.28);
}

/* ---------- 功能 ---------- */
section h2 {
  font-family: "Noto Serif SC", "Songti SC", serif;
  text-align: center;
  font-size: clamp(28px, 4.4vw, 42px);
  margin-bottom: 46px;
  letter-spacing: 1px;
}
.features { padding: 60px clamp(20px, 5vw, 64px) 30px; max-width: 1150px; margin: 0 auto; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; }
.card {
  background: var(--card);
  border: 1px solid var(--card-line);
  border-radius: var(--radius);
  padding: 30px 26px;
  backdrop-filter: blur(8px);
  transition: transform 0.2s, box-shadow 0.25s;
}
.card:hover { transform: translateY(-5px); box-shadow: 0 18px 40px rgba(60, 90, 40, 0.14); }
.card .ico { font-size: 30px; }
.card h3 { margin: 14px 0 10px; font-size: 19px; }
.card p { color: var(--ink-2); font-size: 14.5px; line-height: 1.85; }
.card p b { color: var(--accent-deep); }

.grid {
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 14px;
}
.cell {
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 14px;
  padding: 16px 20px;
  display: flex; flex-direction: column; gap: 5px;
}
.cell b { font-size: 15px; color: var(--ink); }
.cell span { font-size: 13.5px; color: var(--ink-2); line-height: 1.7; }

/* ---------- 常春藤隐喻 ---------- */
.lifecycle { padding: 90px 20px 70px; text-align: center; }
.lifecycle .lead {
  color: var(--ink-2); line-height: 2.05; font-size: 15.5px;
  max-width: 720px; margin: -18px auto 44px;
}
.stages {
  display: flex; justify-content: center; align-items: stretch;
  gap: 10px; flex-wrap: wrap;
}
.stage {
  background: var(--card);
  border: 1px solid var(--card-line);
  border-radius: 16px;
  padding: 18px 26px;
  min-width: 128px;
  backdrop-filter: blur(6px);
}
.stage i {
  display: block; font-style: normal; font-weight: 700;
  color: var(--accent-deep);
  font-family: "Noto Serif SC", serif; font-size: 19px;
}
.stage span { display: block; margin-top: 6px; font-size: 12.5px; color: var(--ink-3); }
.arrow { align-self: center; color: var(--ink-3); }

/* ---------- 下载 ---------- */
.download { padding: 60px 20px 110px; text-align: center; }
.dl-cards {
  display: flex; gap: 22px; justify-content: center; flex-wrap: wrap;
}
.dl-card {
  background: var(--card);
  border: 1px solid var(--card-line);
  border-radius: var(--radius);
  padding: 34px 40px;
  width: min(360px, 92vw);
  backdrop-filter: blur(8px);
}
.dl-card h3 { font-size: 20px; }
.dl-card p { color: var(--ink-2); font-size: 13.5px; margin: 10px 0 22px; line-height: 1.7; }
.tag-beta {
  font-size: 11px; font-weight: 600; letter-spacing: .06em;
  vertical-align: middle; margin-left: 8px; padding: 2px 8px;
  border-radius: 999px;
  color: var(--accent-deep);
  background: rgba(107, 165, 63, 0.14);
  border: 1px solid rgba(107, 165, 63, 0.34);
}
/* 主按钮是实心绿：徽标沿用浅绿字/浅绿底会糊成一片，压不出对比度 */
.btn.primary .tag-beta {
  color: #fff;
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.5);
}
.req { margin-top: 30px; color: var(--ink-3); font-size: 13px; }
.req a { color: var(--accent-deep); }

/* ---------- 页脚 ---------- */
footer {
  border-top: 1px solid rgba(107, 165, 63, 0.18);
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(8px);
}
.foot-inner {
  max-width: 1150px; margin: 0 auto;
  padding: 26px clamp(20px, 5vw, 64px);
  display: flex; justify-content: space-between; align-items: center; gap: 18px;
  flex-wrap: wrap;
}
.foot-brand { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 14.5px; }
footer nav { display: flex; gap: 22px; }
footer a { color: var(--ink-2); text-decoration: none; font-size: 13.5px; }
footer a:hover { color: var(--accent-deep); }
.copy { color: var(--ink-3); font-size: 12.5px; }

/* ---------- 移动端 ---------- */
@media (max-width: 720px) {
  header.nav { padding: 14px 18px; }
  .brand span { font-size: 15px; }
  .brand img { width: 28px; height: 28px; }
  header.nav nav { gap: 14px; }
  header.nav nav a { font-size: 13px; }
  header.nav nav a.gh { padding: 5px 12px; }

  .hero { padding: 0 22px 48px; }
  .hero h1 { letter-spacing: 0; font-size: clamp(38px, 11vw, 54px); }
  .hero .sub { font-size: 14.5px; line-height: 1.85; margin-top: 16px; }
  .cta { margin-top: 30px; flex-direction: column; width: 100%; max-width: 320px; }
  .cta .btn { width: 100%; text-align: center; padding: 15px 0; }
  .hint { margin-top: 34px; font-size: 12px; padding: 7px 14px; }
  .scroll-cue { display: none; }

  .showcase { padding: 20px 16px 56px; }
  .shot.popup { position: static; width: 78%; margin: 14px auto 0; display: block; }

  section h2 { margin-bottom: 30px; }
  .features { padding: 40px 18px 20px; }
  .card { padding: 24px 20px; }
  .grid { grid-template-columns: 1fr; }

  .lifecycle { padding: 60px 18px 46px; }
  .lifecycle .lead { font-size: 14px; line-height: 1.95; }
  .lifecycle .lead br { display: none; }
  .stages { gap: 8px; }
  .stage { min-width: 0; flex: 1 1 40%; padding: 14px 10px; }
  .arrow { display: none; }

  .download { padding: 40px 18px 80px; }
  .dl-card { padding: 26px 22px; }
  .dl-card .btn { display: block; text-align: center; word-break: break-all; }
  .req { font-size: 12px; padding: 0 10px; }

  .foot-inner { flex-direction: column; text-align: center; padding: 22px 18px; }
}

@media (max-width: 420px) {
  header.nav nav a:not(.gh) { display: none; }  /* 极窄屏只留 GitHub 按钮 */
  .stage { flex: 1 1 44%; }
}

/* ==========================================================================
   Ivyea Note 专有板块
   ========================================================================== */

/* ---------- 版本徽标（下载区顶上那颗药丸；版本号由 JS 从 version.json 填） ---------- */
.ver-pill {
  display: inline-flex; align-items: center; gap: 8px;
  margin: -28px auto 34px;
  padding: 6px 16px; border-radius: 999px;
  font-size: 13px; color: var(--ink-2);
  background: var(--card); border: 1px solid var(--card-line);
  backdrop-filter: blur(6px);
}
.ver-pill .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 8px rgba(107, 165, 63, .7);
}

/* ---------- 首屏截图：桌面主图 + 手机竖图叠在右下 ---------- */
/* 手机图是 390×844 的竖屏截图，直接按 .shot.popup 那套横向比例会被压扁，
   所以单独一档：固定窄宽度、圆角按手机屏幕的弧度给大。 */
.shot.phone {
  position: absolute;
  width: 20%;
  right: -3%;
  bottom: -8%;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.5);
  box-shadow: 0 18px 44px rgba(60, 90, 40, 0.28);
}

/* ---------- 功能区里的双图（深色模式 / 全文检索） ---------- */
.duo {
  margin-top: 30px;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 22px;
}
.duo figure {
  margin: 0;
  background: var(--card);
  border: 1px solid var(--card-line);
  border-radius: var(--radius);
  padding: 14px 14px 0;
  backdrop-filter: blur(8px);
  overflow: hidden;
}
.duo img {
  width: 100%; height: auto; display: block;
  border-radius: 12px;
  box-shadow: 0 10px 26px rgba(60, 90, 40, 0.14);
}
.duo figcaption {
  padding: 14px 6px 18px;
  font-size: 13.5px; color: var(--ink-2); line-height: 1.75;
}
.duo figcaption b { color: var(--ink); }
/* 只有第一个 <b> 是「标题」要独占一行；句子中间的强调词必须留在行内，
   否则一句话会被劈成三段（实测过：深色模式那条图注被「即时生效」断成上下两截）。 */
.duo figcaption > b:first-child { display: block; font-size: 14.5px; margin-bottom: 4px; }

/* ---------- AI（v0.11.20） ---------- */
/* .lead 的排版规则原本只写在 .lifecycle / .selfhost / .agentic 下，这里补一份 */
.aiwrap .lead {
  text-align: center; color: var(--ink-2); line-height: 2.05; font-size: 15.5px;
  max-width: 780px; margin: -22px auto 30px;
}
.aiwrap .lead b { color: var(--ink); }
.ai-shot {
  margin: 0;
  background: var(--card);
  border: 1px solid var(--card-line);
  border-radius: var(--radius);
  padding: 14px 14px 0;
  backdrop-filter: blur(8px);
  overflow: hidden;
}
.ai-shot img {
  width: 100%; height: auto; display: block;
  border-radius: 12px;
  box-shadow: 0 10px 26px rgba(60, 90, 40, 0.14);
}
.ai-shot figcaption {
  padding: 14px 6px 18px;
  font-size: 13.5px; color: var(--ink-2); line-height: 1.75;
}
.ai-shot figcaption b { color: var(--ink); }
.ai-shot figcaption > b:first-child { display: block; font-size: 14.5px; margin-bottom: 4px; }

/* ---------- 自建同步 ---------- */
.selfhost { padding: 80px clamp(20px, 5vw, 64px); max-width: 1030px; margin: 0 auto; }
.selfhost .lead {
  text-align: center; color: var(--ink-2); line-height: 2.05; font-size: 15.5px;
  max-width: 760px; margin: -22px auto 40px;
}
.host-cols { display: grid; grid-template-columns: 1.05fr 1fr; gap: 26px; align-items: start; }
.host-note {
  background: var(--card); border: 1px solid var(--card-line);
  border-radius: var(--radius); padding: 28px 30px; backdrop-filter: blur(8px);
}
.host-note h3 { font-size: 18px; margin-bottom: 14px; }
.host-note ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.host-note li { font-size: 14.5px; color: var(--ink-2); line-height: 1.8; padding-left: 22px; position: relative; }
.host-note li::before {
  content: ""; position: absolute; left: 2px; top: 9px;
  width: 8px; height: 8px; border-radius: 50%;
  background: linear-gradient(135deg, #8CC15C, #5B9334);
}
.host-note li b { color: var(--ink); }
pre.cmd {
  background: rgba(38, 52, 34, 0.92);
  color: #DCE9CE;
  border-radius: var(--radius);
  padding: 24px 26px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px; line-height: 2;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  box-shadow: 0 16px 38px rgba(40, 60, 30, 0.24);
}
pre.cmd .c { color: #93A388; }      /* 注释 */
pre.cmd .p { color: #A8D67C; }      /* 提示符 */

/* ---------- Agent / MCP ---------- */
.agentic { padding: 20px clamp(20px, 5vw, 64px) 40px; max-width: 1030px; margin: 0 auto; }
.agentic .tools {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 22px;
}
.agentic .tools code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px; color: var(--accent-deep);
  background: rgba(107, 165, 63, 0.12);
  border: 1px solid rgba(107, 165, 63, 0.3);
  border-radius: 999px; padding: 6px 14px;
}

/* ---------- 下载：四个平台并排 ---------- */
.dl-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px; max-width: 1030px; margin: 0 auto;
  text-align: left;
}
.dl-grid .dl-card { width: auto; padding: 26px 24px; display: flex; flex-direction: column; }
.dl-grid .dl-card p { flex: 1; }
.dl-grid .dl-card .btn { text-align: center; margin-top: auto; font-size: 14px; padding: 12px 18px; }

/* 服务端那张卡跟四个客户端不是一类东西（给自建的人看），单独占满一行，
   免得它孤零零挂在第二行留下半屏空白 */
.dl-card.wide { grid-column: 1 / -1; }
.dl-card.wide .btn { margin-top: 14px; }
@media (min-width: 760px) {
  .dl-card.wide { flex-direction: row; align-items: center; gap: 26px; }
  .dl-card.wide .wide-head { flex: 0 0 240px; }
  .dl-card.wide .wide-head h3 { margin-bottom: 6px; }
  .dl-card.wide p { flex: 0 1 auto; margin: 0; }
  .dl-card.wide .btn { margin: 0; flex: 0 0 auto; }
  .dl-card.wide .dl-sub { margin: 0; flex: 1; }
}
.dl-sub { margin-top: 12px; font-size: 12px; color: var(--ink-3); line-height: 1.7; }
.dl-sub a { color: var(--accent-deep); }
.dl-sub a:hover { text-decoration: none; }

/* ---------- 移动端 ---------- */
@media (max-width: 900px) {
  .host-cols { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .shot.phone { position: static; width: 46%; margin: 16px auto 0; display: block; }
  .selfhost { padding: 56px 18px; }
  .host-note { padding: 22px 20px; }
  pre.cmd { font-size: 12px; padding: 18px 16px; }
  .ver-pill { margin-top: -14px; }
  .duo figcaption { padding: 12px 4px 16px; }
}

/* ---------- 行内代码（卡片与网格里都有 .md / [[双链]] / create 这类字面量） ---------- */
:is(.card p, .cell span, .host-note li, .agentic .lead, .dl-sub) code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
  color: var(--accent-deep);
  background: rgba(107, 165, 63, 0.12);
  border-radius: 6px;
  padding: 1px 6px;
}
/* .agentic 复用 .lead，但它的排版规则原本只写在 .lifecycle / .selfhost 下 */
.agentic .lead {
  text-align: center; color: var(--ink-2); line-height: 2.05; font-size: 15.5px;
  max-width: 760px; margin: -22px auto 0;
}
.agentic .lead b { color: var(--ink); }
.host-note li b, .hero .sub b { color: var(--ink); }
