/* ============================================================
   AI 宣传体验课 —— 站点样式表
   ------------------------------------------------------------
   设计语言：纯黑底 / 粗无衬线大标题 / 大圆角细描边卡片 /
   蓝色是唯一强调色（hero 光晕、关键句、主 CTA、完成态）。

   结构（改样式前先找到对应小节，不要往文件末尾追加覆盖规则）：
     01 设计令牌
     02 基础与重置
     03 排版
     04 通用工具类
     05 按钮
     06 页面外壳：导航 / 进度条 / 页脚 / 法律页
     07 堆叠舞台：stack / panel / card
     08 屏 1  Hero
     09 屏 2  只用到一半
     10 屏 3  AI 助理
     11 屏 4  现场完成 3 件事
     12 屏 5  工作流演示
     13 屏 6  现场装好
     14 屏 7  适合谁
     15 屏 8  $99 CTA
     16 屏 9  正课价格
     17 屏 10 关于 Aiven
     18 屏 11 扫码加入
     19 会员专区与口令门
     20 进场动效与边缘巡航
     21 响应式
     22 减少动态效果
   ============================================================ */


/* ============================================================
   01 设计令牌
   ============================================================ */
:root {
  --bg: #000;
  --ink: #f5f5f7;          /* 主文字，近白略冷 */
  --body: #929297;         /* 说明文字 */
  --dim: #626268;          /* 弱化小字 */
  --line: rgba(255, 255, 255, .09);
  --card: #0a0a0b;

  --accent: #0b63f6;
  --accent-soft: #4c8dff;
  --accent-glow: rgba(11, 99, 246, .38);

  /* 分层表面：卡片面 → 卡内小卡 → 更浅的组件 */
  --surface: #0a0a0b;
  --surface-2: #111113;
  --surface-3: #17171a;

  /* 发丝描边：外框 / 小卡 / 分隔线 / 顶部内高光 */
  --hairline: rgba(255, 255, 255, .1);
  --hairline-2: rgba(255, 255, 255, .13);
  --hairline-soft: rgba(255, 255, 255, .065);
  --highlight: rgba(255, 255, 255, .055);

  --shadow-card: inset 0 1px 0 rgba(255, 255, 255, .045), 0 28px 80px rgba(0, 0, 0, .48);
  --shadow-pop: inset 0 1px 0 rgba(255, 255, 255, .08), 0 16px 40px rgba(0, 0, 0, .42);

  --radius-pill: 999px;
  --radius-card: clamp(18px, 2vw, 26px);
  --radius-tile: 14px;

  /* 舞台宽度。改这一个值，卡片 / 导航栏 / 左侧进度条会一起跟着走。 */
  --stage: 1440px;

  --display: -apple-system, "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --sans: -apple-system, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --ease-spring: cubic-bezier(.34, 1.4, .5, 1);

  /* 右下角 AI 助教浮标占位，供各屏底部内容避让 */
  --aiw-safe: 78px;
}


/* ============================================================
   02 基础与重置
   ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  background: var(--bg);
  color-scheme: dark;
}

body {
  font-family: var(--sans);
  color: var(--body);
  background:
    radial-gradient(900px 520px at 73% -220px, rgba(52, 105, 255, .1), transparent 68%),
    var(--bg);
  overflow-x: hidden;
  line-height: 1.6;
  letter-spacing: -.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern" 1, "liga" 1;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
[hidden] { display: none !important; }

::selection { color: #fff; background: rgba(40, 111, 255, .65); }

/* 极淡细颗粒噪点，给纯黑底一层质感（不引入颜色） */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 400;
  pointer-events: none;
  opacity: .018;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}


/* ============================================================
   03 排版
   .bl 主标题 / .bm 次级标题 / .bs 正文
   ============================================================ */
.bl {
  max-width: 820px;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(30px, 4.2vw, 54px);
  line-height: 1.16;
  letter-spacing: -.04em;
  color: var(--ink);
  text-wrap: balance;
}

.bm {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.2;
  letter-spacing: -.035em;
  color: var(--ink);
  text-wrap: balance;
}

.bs {
  max-width: 720px;
  font-size: clamp(15px, 1.55vw, 20px);
  line-height: 1.58;
  letter-spacing: -.018em;
  color: var(--body);
}

.bl + .bl { margin-top: .35em; }
.bl + .bs { margin-top: clamp(24px, 4vw, 44px); }
.bs + .bs { margin-top: 1em; }
.bs + .bl { margin-top: clamp(24px, 4vw, 42px); }

/* 法律页 / 会员页的章节大标题 */
.h-lg {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.25;
  letter-spacing: -.04em;
  color: var(--ink);
  text-align: left;
  text-wrap: balance;
}
.h-lg em { font-style: normal; }


/* ============================================================
   04 通用工具类
   ============================================================ */
.sp { margin-top: clamp(20px, 3vw, 34px); }
.ta-c { text-align: center; }

.micro {
  margin-top: 18px;
  font-size: 12px;
  color: var(--dim);
  letter-spacing: .06em;
  /* 「A · B · C」这类并列短语，只在分隔符处换行，
     不要把「现场发出去」拆成「现 / 场发出去」 */
  word-break: keep-all;
}

.eyebrow {
  margin-bottom: clamp(18px, 3vw, 34px);
  color: var(--accent-soft);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
}

/* SITE_CONFIG 缺值时的占位样式（js/main.js applyConfig 添加） */
.placeholder {
  border: 1px dashed var(--dim);
  color: var(--dim);
  padding: 0 .4em;
  border-radius: 4px;
  font-style: normal;
}


/* ============================================================
   05 按钮
   ============================================================ */
.btn-cta,
.price-btn,
.nav-qr {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display: inline-block;
  text-decoration: none;
  font-weight: 600;
  transition: transform .22s var(--ease-spring), background-color .3s var(--ease), box-shadow .3s var(--ease);
}

/* 掠过式高光：hover 时一道白光从左扫到右 */
.btn-cta::after,
.price-btn::after,
.nav-qr::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .42;
  background: linear-gradient(105deg, transparent 24%, rgba(255, 255, 255, .34) 48%, transparent 72%);
  transform: translateX(-130%);
  transition: transform .7s var(--ease-out);
}

.btn-cta {
  margin-top: clamp(30px, 5vw, 56px);
  padding: 13px 26px;
  border-radius: 10px;
  background: #f5f5f5;
  color: #09090a;
  font-size: 17px;
}
.btn-cta:hover { background: #fff; box-shadow: 0 14px 34px rgba(0, 0, 0, .34); }
.btn-cta:active { transform: translateY(1px); }
.btn-cta .placeholder { color: #39393d; border-color: #777; }

.price-btn {
  margin-top: auto;
  align-self: center;
  padding: 10px 20px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: #f5f5f5;
  color: #0a0a0b;
  font-size: 14px;
}
.price-btn:hover { box-shadow: 0 12px 28px rgba(0, 0, 0, .3); }
.price-btn:active { transform: translateY(1px); }

.price-btn.price-btn-ghost {
  color: #d8d8dc;
  background: #1a1a1d;
  border-color: rgba(255, 255, 255, .1);
}
.price-btn.price-btn-ghost:hover {
  color: #fff;
  background: #202024;
  border-color: rgba(255, 255, 255, .16);
}


/* ============================================================
   06 页面外壳：导航 / 进度条 / 页脚 / 法律页
   ============================================================ */

/* ---- 导航 ---------------------------------------------------
   固定顶栏，内容宽度对齐统一舞台。
   品牌名可收缩截断，右侧链接固定不换行 —— 窄屏下二者不再互相压字。 */
.nav {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(var(--stage), 100%);
  height: 64px;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 0 clamp(20px, 6vw, 78px);
  background: rgba(0, 0, 0, .72);
  border-bottom: 1px solid transparent;
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  backdrop-filter: blur(18px) saturate(140%);
  transition: background-color .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.nav.is-scrolled {
  background: rgba(0, 0, 0, .82);
  border-bottom-color: rgba(255, 255, 255, .075);
  box-shadow: 0 10px 35px rgba(0, 0, 0, .18);
}

.brand {
  flex: 0 1 auto;
  min-width: 0;               /* 允许收缩，否则会把右侧链接挤出去 */
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-decoration: none;
  font-family: var(--display);
  font-size: 14px;
  font-weight: 650;
  letter-spacing: -.025em;
  line-height: 1.15;
  color: var(--ink);
}
.brand .placeholder { font-size: 13px; padding: 4px 14px; }

.nav-links {
  flex: 0 0 auto;             /* 不参与收缩，保证按钮永远完整 */
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 26px);
}
.nav-links a {
  white-space: nowrap;
  text-decoration: none;
  font-size: 13px;
  color: #8d8d92;
  transition: color .2s var(--ease);
}
.nav-links a:hover,
.nav-links a:active { color: var(--ink); }

.nav-qr {
  padding: 7px 16px;
  border: 1px solid rgba(255, 255, 255, .88);
  border-radius: var(--radius-pill);
  background: #f5f5f5;
  color: #111 !important;
}
.nav-qr:hover { transform: translateY(-1px); background: #fff; box-shadow: 0 8px 22px rgba(0, 0, 0, .32); }

/* ---- 左侧章节进度条 ---------------------------------------- */
.progress {
  position: fixed;
  /* 舞台左边缘再往里 50px，跟着 --stage 走 */
  left: max(12px, calc((100vw - var(--stage)) / 2 + 50px));
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}
.progress button {
  display: flex;
  flex-direction: row-reverse;   /* 圆点在左，标签向右展开 */
  align-items: center;
  gap: 8px;
  padding: 2px 0;
  border: none;
  background: none;
  cursor: pointer;
  color: #66666c;
  font-size: 11px;
  line-height: 1;
  transition: color .25s var(--ease);
}
.progress .p-label {
  white-space: nowrap;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity .25s var(--ease), transform .25s var(--ease);
}
.progress .p-dot {
  flex: none;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #444449;
  transition: background .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
}
.progress button.on { color: var(--ink); }
.progress button.on .p-dot {
  background: #f2f2f4;
  transform: scale(1.25);
  animation: dot-pulse 2.4s ease-in-out infinite;
}
.progress button.on .p-label,
.progress button:hover .p-label { opacity: 1; transform: none; }
.progress button:hover .p-dot { background: #7d7d88; transform: scale(1.15); }

@keyframes dot-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245, 245, 247, 0); }
  50% { box-shadow: 0 0 0 5px rgba(245, 245, 247, .08); }
}

/* ---- 页脚 --------------------------------------------------- */
.footer {
  border-top: 1px solid rgba(255, 255, 255, .075);
  background: #000;
  padding: 40px 28px 56px;
  text-align: center;
  font-size: 13px;
  color: var(--dim);
}
.footer-brand { font-family: var(--display); color: var(--body); margin-bottom: 10px; }
.footer-sep { margin: 0 .6em; }

.foot-legal { display: block; margin-top: 10px; }
.foot-legal a {
  margin: 0 .7em;
  color: var(--dim);
  text-decoration: none;
  transition: color .2s var(--ease);
}
.foot-legal a:hover { color: var(--body); }

/* 首页卡内页脚 */
.site-foot {
  width: 100%;
  margin-top: clamp(20px, 3vw, 34px);
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, .075);
  text-align: center;
  font-size: 13px;
  color: var(--dim);
}
.site-foot .footer-brand { font-family: var(--display); color: var(--body); margin-bottom: 0; }

/* ---- 法律页（隐私 / 条款 / 退款）----------------------------- */
.legal-page {
  max-width: 820px;
  margin: 0 auto;
  padding: 126px clamp(24px, 5vw, 54px) 100px;
  min-height: 60svh;
}
.legal-page h1 { margin-bottom: 6px; }
.legal-page h2 {
  margin: 42px 0 10px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, .075);
  font-family: var(--display);
  font-weight: 700;
  font-size: 21px;
  color: var(--ink);
}
.legal-page p,
.legal-page ul {
  margin-bottom: 12px;
  color: var(--body);
  font-size: 15px;
  line-height: 1.9;
}
.legal-page ul { padding-left: 22px; }
.legal-page li { margin-bottom: 6px; }
.legal-page b,
.legal-page strong { color: var(--ink); font-weight: 600; }

.legal-meta { margin-bottom: 26px; color: var(--dim); font-size: 13px; }
.legal-page a[data-config],
.legal-back { color: var(--accent-soft); text-decoration: none; }
.legal-back { display: inline-block; margin-top: 30px; font-size: 14px; }


/* ============================================================
   07 堆叠舞台：stack / panel / card
   每屏一张圆角卡；下屏盖住上屏，上屏后退缩小（缩放由 js/main.js
   的 initStack 写在 .panel 的第一个子元素上）。
   ============================================================ */
.stack {
  position: relative;
  width: 100%;
  max-width: var(--stage);
  margin: 0 auto;
}

.panel {
  position: sticky;
  top: 0;
  height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;   /* 透明：卡缝里露出后退中的上一张卡，而非纯黑 */
  /* 顶部下限 60px 让任何屏高都避开导航栏 */
  padding: clamp(60px, 7.5svh, 86px) clamp(16px, 3vw, 40px) clamp(18px, 3svh, 36px);
}
.panel.is-hidden { visibility: hidden; }

.card {
  position: relative;
  width: 100%;
  max-width: 100%;
  height: 100%;
  max-height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: clamp(30px, 5vw, 64px) clamp(24px, 6vw, 72px);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .018), transparent 30%),
    #09090a;
  box-shadow: var(--shadow-card);
  transform-origin: 50% 46%;
  will-change: transform, opacity;
}

/* 斜向微光，让大面积深色卡不至于死板 */
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(115deg, rgba(255, 255, 255, .025), transparent 28% 72%, rgba(255, 255, 255, .012));
}

.card > * { position: relative; z-index: 1; }

.card-tight .bs { line-height: 1.55; }
.card-bright .bl { color: #fff; }
.card-bright .bs { color: #d0d0d0; }


/* ============================================================
   08 屏 1  Hero
   左侧叙事 + 右下角悬浮的「手机指令」面板。
   ============================================================ */
.card-hero { justify-content: center; }

.hero-v8 {
  align-items: flex-start;
  text-align: left;
  overflow: hidden;
  background:
    radial-gradient(700px 420px at 78% 46%, rgba(35, 97, 255, .105), transparent 68%),
    #030303;
  border-color: rgba(255, 255, 255, .075);
}

/* 右下角蓝色光晕 */
.hero-v8::after {
  content: "";
  position: absolute;
  z-index: 0;
  width: min(52vw, 620px);
  aspect-ratio: 1;
  right: -13%;
  bottom: -40%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 85, 255, .24), rgba(0, 85, 255, 0) 68%);
  pointer-events: none;
}

.hero-title {
  color: var(--ink);
  font: 760 clamp(48px, 7.4vw, 100px)/.98 var(--display);
  letter-spacing: -.065em;
}
.hero-title span { color: #81818a; }

.hero-flow,
.task-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(24px, 4vw, 42px);
}
.hero-flow b,
.task-chips span {
  padding: 8px 14px;
  border: 1px solid var(--hairline-2);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, .045);
  color: #d8d8de;
  font-size: clamp(13px, 1.2vw, 16px);
  font-weight: 600;
}

.hero-more {
  display: inline-block;
  font-size: 13px;
  color: #7d7d82;
  text-decoration: none;
  transition: color .2s var(--ease);
}
.hero-more:hover { color: var(--body); }
.hero-v8 .hero-more { margin-top: clamp(20px, 3vw, 30px); }

.hero-command {
  position: absolute;
  z-index: 2;
  right: clamp(26px, 6vw, 86px);
  bottom: clamp(36px, 8vh, 88px);
  width: min(38vw, 430px);
  padding: clamp(18px, 2.4vw, 28px);
  border: 1px solid rgba(87, 139, 255, .5);
  border-radius: 22px;
  background: rgba(9, 12, 20, .9);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .09), 0 0 60px rgba(0, 85, 255, .18);
}
.hero-command-label {
  color: var(--accent-soft);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .13em;
}
.hero-command p {
  margin-top: 12px;
  color: var(--ink);
  font-size: clamp(17px, 1.8vw, 24px);
  font-weight: 650;
  line-height: 1.55;
}
.hero-command-send {
  display: inline-flex;
  margin-top: 18px;
  padding: 7px 13px;
  border-radius: var(--radius-pill);
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}

.hero-meta {
  position: absolute;
  left: clamp(22px, 5vw, 64px);
  bottom: clamp(22px, 4vh, 40px);
}

/* 桌面端：指令面板悬在右下角，下半部分的行内元素要让开它，
   否则「看它能替你做什么 ↓」会顶到面板边上。标题在面板上方，不受限制。 */
@media (min-width: 781px) {
  .hero-v8 .hero-flow,
  .hero-v8 .hero-more { max-width: 52%; }
}


/* ============================================================
   09 屏 2  只用到一半
   左对齐正文，但整列在卡片里居中 —— 不再是左侧内容 + 右侧半张空卡。
   ============================================================ */
/* 这张卡同时带 .card-learn，用 .card.copy-half 提高优先级，
   保证左对齐不被后面小节的居中规则盖掉。 */
.card.copy-half {
  align-items: center;
  text-align: left;
}
/* 所有子元素同宽，左边缘才会对齐成一条线 */
.card.copy-half > * {
  width: 100%;
  max-width: 780px;
}

.half-punch { margin-top: clamp(40px, 8vh, 84px); }
.half-punch span { color: #7b7b83; }


/* ============================================================
   10 屏 3  AI 助理
   ============================================================ */
.card-helper {
  justify-content: center;
  align-items: center;
  text-align: center;
  background:
    radial-gradient(720px 420px at 82% 55%, rgba(22, 92, 255, .16), transparent 70%),
    #070708;
}

/* 右侧柔光球 */
.card-helper::after {
  content: "";
  position: absolute;
  z-index: 0;
  width: min(40vw, 520px);
  aspect-ratio: 1;
  right: 4%;
  top: 50%;
  transform: translateY(-50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(72, 132, 255, .2), rgba(26, 91, 255, .035) 45%, transparent 70%);
  filter: blur(10px);
  pointer-events: none;
}

.card-helper .bl {
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.24;
  letter-spacing: -.035em;
}
.card-helper .helper-accent {
  display: inline-block;
  font-size: clamp(30px, 4.2vw, 54px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.045em;
  color: var(--accent-soft);
}
.helper-v8 .bs { max-width: 680px; }


/* ============================================================
   11 屏 4  现场完成 3 件事
   .learn-top：.bm 是主标题，.bs 是补充说明（屏 4 / 6 / 7 共用）。
   ============================================================ */
.card-learn {
  justify-content: center;
  align-items: center;
  text-align: center;
  background: #080809;
}

.learn-top {
  width: 100%;
  max-width: 1160px;
  text-align: center;
}
.card-learn .learn-top .bm {
  margin: 0 auto;
  font-size: clamp(30px, 4.2vw, 52px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -.045em;
  color: var(--ink);
}
.card-learn .learn-top .bs {
  max-width: 760px;
  margin: clamp(12px, 2vw, 20px) auto 0;
  font-size: clamp(15px, 1.55vw, 20px);
  font-weight: 400;
  line-height: 1.55;
  color: var(--body);
}

.outcome-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  width: 100%;
  max-width: 1160px;
  margin-top: clamp(24px, 4vw, 46px);
}
.outcome-card {
  display: flex;
  flex-direction: column;
  min-height: clamp(230px, 32vh, 340px);
  padding: clamp(22px, 3vw, 36px);
  border: 1px solid var(--hairline);
  border-radius: 18px;
  background: var(--surface-2);
  text-align: left;
}
.outcome-card.outcome-primary {
  border-color: rgba(78, 136, 255, .42);
  background: linear-gradient(145deg, rgba(28, 84, 212, .17), transparent 55%), #111216;
}
.outcome-card > span {
  color: #62626c;
  font-size: 12px;
  letter-spacing: .1em;
}
.outcome-card h2 {
  margin-top: auto;
  color: var(--ink);
  font-size: clamp(22px, 2.4vw, 34px);
  letter-spacing: -.045em;
}
.outcome-card p {
  margin-top: 12px;
  color: var(--body);
  font-size: clamp(14px, 1.2vw, 17px);
  line-height: 1.65;
}
/* 标题靠底部对齐，说明文字行数不同会把标题顶歪 ——
   给说明留 3 行的固定高度，三张卡的标题就落在同一条基线上。 */
@media (min-width: 781px) {
  .outcome-card p { min-height: calc(3 * 1.65em); }
}


/* ============================================================
   12 屏 5  工作流演示
   一台手机 + 一台电脑，三次任务由 js/main.js 的 initDemo 用
   data-step / data-phase 驱动。手机端改为上下堆叠，同样播放。
   ============================================================ */
.card-demo {
  gap: clamp(12px, 2vh, 22px);
  padding: clamp(26px, 3.5vw, 48px);
  background: #050506;
}
.demo-v8-card {
  padding-top: clamp(18px, 3vw, 34px);
  padding-bottom: clamp(18px, 3vw, 30px);
}

.demo-lead,
.demo-tail {
  width: min(100%, 1180px);
  max-width: none;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.demo-lead {
  color: var(--ink);
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(17px, 1.8vw, 24px);
}
.demo-tail {
  color: var(--body);
  font-size: clamp(13px, 1.2vw, 16px);
}

.workflow-stage {
  position: relative;
  width: 100%;
  max-width: 1160px;
  aspect-ratio: 16 / 8.4;
  margin: clamp(12px, 2vh, 20px) auto;
  padding: clamp(14px, 2vw, 22px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .11);
  border-radius: 20px;
  background:
    radial-gradient(100% 100% at 50% 0%, rgba(28, 73, 164, .12), transparent 58%),
    #09090b;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .05), 0 26px 70px rgba(0, 0, 0, .38);
  text-align: left;
  transition: border-color .45s var(--ease), box-shadow .45s var(--ease);
}

/* ---- 顶部 1-2-3 步骤条 ---- */
.workflow-progress {
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.workflow-progress i {
  width: clamp(34px, 6vw, 82px);
  height: 1px;
  background: #2c2c31;
}
.workflow-dot {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border: 1px solid #33333a;
  border-radius: 50%;
  color: #6f6f78;
  font-size: 10px;
  font-weight: 700;
  transition: .35s var(--ease);
}
.workflow-stage[data-step="1"] .dot-1,
.workflow-stage[data-step="2"] .dot-1,
.workflow-stage[data-step="2"] .dot-2,
.workflow-stage[data-step="3"] .dot-1,
.workflow-stage[data-step="3"] .dot-2,
.workflow-stage[data-step="3"] .dot-3,
.workflow-stage[data-phase="summary"] .workflow-dot {
  border-color: var(--accent-soft);
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 18px rgba(0, 85, 255, .35);
}

/* ---- 两台设备 ---- */
.workflow-grid {
  display: grid;
  grid-template-columns: minmax(220px, .62fr) minmax(460px, 1.38fr);
  gap: clamp(12px, 2vw, 22px);
  height: calc(100% - 64px);
  margin-top: 6px;
}
.workflow-phone,
.workflow-computer {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
}
.workflow-device-label {
  margin-bottom: 7px;
  color: #71717a;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  text-align: center;
}

.workflow-phone-shell,
.workflow-monitor {
  flex: 1;
  min-height: 0;
  border: 1px solid rgba(255, 255, 255, .12);
  background: #111216;
  overflow: hidden;
}
.workflow-phone-shell {
  position: relative;
  width: min(100%, 300px);
  margin: 0 auto;
  padding: 52px 12px 54px;
  border-radius: 24px;
  box-shadow: inset 0 0 0 4px #090a0d;
}
.workflow-phone-head {
  position: absolute;
  inset: 0 0 auto;
  height: 46px;
  padding: 10px 14px;
  display: grid;
  grid-template-columns: 28px 1fr auto;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  background: #17181d;
}
.workflow-phone-head > span {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 9px;
  font-weight: 800;
}
.workflow-phone-head b { color: var(--ink); font-size: 12px; }
.workflow-phone-head i { color: #57c98d; font-size: 9px; font-style: normal; }

.workflow-dialog { display: none; }
.workflow-stage[data-step="1"] .dialog-1,
.workflow-stage[data-step="2"] .dialog-2,
.workflow-stage[data-step="3"] .dialog-3 { display: block; }

.workflow-dialog p {
  max-width: 88%;
  padding: 10px 11px;
  border-radius: 12px;
  font-size: clamp(9px, 1vw, 12px);
  line-height: 1.45;
  transition: opacity .35s var(--ease), transform .35s var(--ease);
}
.workflow-user-msg {
  margin-left: auto;
  background: #1267da;
  color: #fff;
  border-bottom-right-radius: 3px;
}
.workflow-ai-msg {
  margin-top: 10px;
  background: #25262b;
  color: #d9d9df;
  border-bottom-left-radius: 3px;
  opacity: 0;
  transform: translateY(7px);
}
.workflow-done-msg {
  margin-top: 10px;
  background: rgba(34, 162, 99, .13);
  color: #73dfa7;
  opacity: 0;
  transform: translateY(7px);
}
.workflow-stage[data-phase="work"] .workflow-ai-msg,
.workflow-stage[data-phase="done"] .workflow-ai-msg,
.workflow-stage[data-phase="done"] .workflow-done-msg {
  opacity: 1;
  transform: none;
}

.workflow-phone-input {
  position: absolute;
  inset: auto 10px 10px;
  height: 34px;
  padding: 0 7px 0 11px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid rgba(255, 255, 255, .11);
  border-radius: 18px;
  color: #6f6f78;
  font-size: 9px;
}
.workflow-phone-input span {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
}

/* ---- 电脑窗口 ---- */
.workflow-monitor { position: relative; border-radius: 12px; }
.workflow-window-bar {
  height: 34px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  background: #191a1f;
}
.workflow-window-bar > span { width: 8px; height: 8px; border-radius: 50%; background: #55555d; }
.workflow-window-bar > span:first-child { background: #f06f66; }
.workflow-window-bar > span:nth-child(2) { background: #e3b859; }
.workflow-window-bar > span:nth-child(3) { background: #62bf75; }
.workflow-app-name { margin-left: 8px; color: #a7a7af; font-size: 10px; }

.workflow-scene {
  display: none;
  position: absolute;
  inset: 34px 0 0;
  overflow: hidden;
}
.workflow-stage[data-step="1"] .scene-email,
.workflow-stage[data-step="2"] .scene-images,
.workflow-stage[data-step="3"] .scene-video { display: flex; }

/* 镜头 1：Gmail */
.mail-sidebar {
  width: 23%;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-right: 1px solid rgba(255, 255, 255, .07);
  background: #14151a;
}
.mail-sidebar b { color: #e9e9ed; font-size: 13px; }
.mail-sidebar span { color: #73737c; font-size: 10px; }
.mail-compose {
  position: relative;
  flex: 1;
  margin: clamp(10px, 2vw, 22px);
  padding: clamp(12px, 2vw, 20px);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 10px;
  background: #1a1b20;
  opacity: .45;
  transform: translateY(8px);
  transition: .45s var(--ease);
}
.workflow-stage[data-phase="work"] .mail-compose,
.workflow-stage[data-phase="done"] .mail-compose { opacity: 1; transform: none; }
.mail-compose div {
  display: grid;
  grid-template-columns: 64px 1fr;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .07);
  color: #c8c8cf;
  font-size: 10px;
}
.mail-compose div b { color: #777780; }
.mail-compose p { margin-top: 14px; color: #bdbdc5; font-size: clamp(9px, 1vw, 12px); line-height: 1.65; }

.mail-compose button,
.moments-post button {
  position: absolute;
  left: 16px;
  bottom: 14px;
  padding: 7px 16px;
  border: 0;
  border-radius: 16px;
  background: var(--accent);
  color: #fff;
  font: 700 10px var(--sans);
}

/* 三个场景共用的「已完成」提示 */
.mail-compose strong,
.wechat-panel strong,
.moments-panel strong {
  position: absolute;
  right: 14px;
  bottom: 16px;
  color: #6dd89f;
  font-size: 10px;
  opacity: 0;
  transition: .35s var(--ease);
}
.workflow-stage[data-phase="done"] .mail-compose strong,
.workflow-stage[data-phase="done"] .wechat-panel strong,
.workflow-stage[data-phase="done"] .moments-panel strong { opacity: 1; }

/* 镜头 2：生成图片 → 电脑微信 */
.scene-images { background: #111216; }
.image-maker {
  width: 55%;
  padding: clamp(12px, 2vw, 22px);
  border-right: 1px solid rgba(255, 255, 255, .08);
}
.image-maker > b,
.moments-panel > b { color: #d9d9df; font-size: 12px; }
.generated-images,
.wechat-images {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-top: 12px;
}
.wechat-images { gap: 5px; margin-top: 14px; }
.generated-images img,
.wechat-images img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 7px;
  opacity: .15;
  transform: translateY(9px);
  transition: .45s var(--ease);
}
.workflow-stage[data-phase="work"] .generated-images img,
.workflow-stage[data-phase="done"] .generated-images img,
.workflow-stage[data-phase="done"] .wechat-images img { opacity: 1; transform: none; }
.generated-images img:nth-child(2),
.wechat-images img:nth-child(2) { transition-delay: .12s; }
.generated-images img:nth-child(3),
.wechat-images img:nth-child(3) { transition-delay: .24s; }

.wechat-panel {
  position: relative;
  flex: 1;
  padding: clamp(12px, 2vw, 20px);
  background: #18191d;
}
.wechat-person { display: flex; align-items: center; gap: 8px; }
.wechat-person span {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: #21a366;
  color: #fff;
  font-size: 10px;
}
.wechat-person b { color: #dddde2; font-size: 11px; }

/* 镜头 3：视频 → 朋友圈 */
.scene-video { background: #121318; }
.video-editor {
  width: 58%;
  padding: clamp(12px, 2vw, 20px);
  border-right: 1px solid rgba(255, 255, 255, .08);
}
.video-preview {
  position: relative;
  height: 70%;
  overflow: hidden;
  border-radius: 8px;
  background: #08090b;
}
.video-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .25;
  transition: .5s var(--ease);
}
.workflow-stage[data-phase="work"] .video-preview img,
.workflow-stage[data-phase="done"] .video-preview img { opacity: .82; transform: scale(1.04); }
.video-play {
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(0, 0, 0, .72);
  color: #fff;
  font-size: 11px;
}
.video-timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  height: 23%;
  margin-top: 7px;
}
.video-timeline i { border-radius: 4px; background: #2d477e; }

.moments-panel { position: relative; flex: 1; padding: clamp(12px, 2vw, 20px); }
.moments-post {
  position: relative;
  height: 64%;
  margin-top: 12px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 8px;
  color: #8f8f98;
  font-size: 10px;
}
.moments-post button { left: auto; right: 10px; bottom: 10px; }

/* ---- 三件事全部完成的总结帧 ---- */
.workflow-summary {
  display: none;
  position: absolute;
  inset: 34px 0 0;
  padding: clamp(22px, 4vw, 56px);
  place-content: center;
  gap: 12px;
  background: radial-gradient(circle at 50% 20%, rgba(0, 85, 255, .18), transparent 55%), #101116;
}
.workflow-summary p {
  width: min(100%, 440px);
  margin: 0 auto;
  padding: 12px 16px;
  border: 1px solid rgba(91, 151, 255, .22);
  border-radius: 10px;
  background: rgba(255, 255, 255, .035);
  color: #d8d8de;
  font-size: clamp(12px, 1.4vw, 17px);
}
.workflow-summary span { margin-right: 8px; color: #72dfa8; }
.workflow-stage[data-phase="summary"] .workflow-scene { display: none; }
.workflow-stage[data-phase="summary"] .workflow-summary { display: grid; }

.workflow-status {
  position: absolute;
  left: 50%;
  bottom: 4px;
  transform: translateX(-50%);
  color: #777781;
  font-size: 10px;
  white-space: nowrap;
}

/* 减少动态效果时 initDemo 直接落到总结帧 */
.workflow-stage.demo-static .workflow-phone { display: none; }
.workflow-stage.demo-static .workflow-scene { display: none !important; }
.workflow-stage.demo-static .workflow-summary { display: grid; }
.workflow-stage.demo-static .workflow-app-name,
.workflow-stage.demo-static .workflow-status { display: none; }

/* ---- v9 直接演示：一句指令 → AI 接手 → 明确结果 ---- */
.direct-demo-tabs {
  height: 42px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.direct-demo-tab {
  min-width: 0;
  padding: 0 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 10px;
  background: rgba(255, 255, 255, .025);
  color: #74747d;
  transition: border-color .3s var(--ease), background .3s var(--ease), color .3s var(--ease);
}
.direct-demo-tab span {
  color: #55555e;
  font-size: 10px;
  font-weight: 750;
}
.direct-demo-tab b {
  overflow: hidden;
  font-size: clamp(11px, 1.2vw, 14px);
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.workflow-stage[data-step="1"] .tab-1,
.workflow-stage[data-step="2"] .tab-2,
.workflow-stage[data-step="3"] .tab-3 {
  border-color: rgba(64, 128, 255, .5);
  background: rgba(0, 85, 255, .14);
  color: #fff;
}
.workflow-stage[data-step="1"] .tab-1 span,
.workflow-stage[data-step="2"] .tab-2 span,
.workflow-stage[data-step="3"] .tab-3 span { color: #7aa7ff; }
.workflow-stage[data-phase="summary"] .direct-demo-tab {
  border-color: rgba(86, 211, 144, .25);
  background: rgba(34, 162, 99, .08);
  color: #d9f5e6;
}

.direct-demo-flow {
  height: calc(100% - 76px);
  margin-top: 10px;
  display: grid;
  grid-template-columns: minmax(260px, .9fr) 92px minmax(360px, 1.25fr);
  align-items: stretch;
  gap: 12px;
}
.direct-command-card,
.direct-action-card {
  position: relative;
  min-width: 0;
  overflow: hidden;
  padding: clamp(16px, 2vw, 24px);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 14px;
  background: #121318;
}
.direct-command-card {
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 100% 0%, rgba(0, 85, 255, .15), transparent 42%),
    #111217;
}
.direct-card-label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #9999a3;
  font-size: clamp(10px, 1vw, 12px);
  font-weight: 700;
  letter-spacing: .04em;
}
.direct-card-label > span {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
}

.direct-command,
.direct-action { display: none; }
.workflow-stage[data-step="1"] .command-1,
.workflow-stage[data-step="2"] .command-2,
.workflow-stage[data-step="3"] .command-3,
.workflow-stage[data-step="1"] .action-1,
.workflow-stage[data-step="2"] .action-2,
.workflow-stage[data-step="3"] .action-3 { display: block; }

.direct-command {
  margin: auto 0;
  padding: clamp(16px, 2vw, 24px);
  border-radius: 16px 16px 4px 16px;
  background: #1267da;
  box-shadow: 0 18px 42px rgba(0, 67, 170, .25);
  color: #fff;
}
.direct-command p {
  font-size: clamp(13px, 1.45vw, 18px);
  font-weight: 580;
  line-height: 1.55;
}
.direct-send-pill {
  align-self: flex-end;
  padding: 7px 8px 7px 12px;
  display: flex;
  align-items: center;
  gap: 9px;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 99px;
  color: #8e8e98;
  font-size: 10px;
}
.direct-send-pill span {
  display: grid;
  place-items: center;
  width: 19px;
  height: 19px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
}
.workflow-stage[data-phase="command"] .direct-send-pill {
  color: #dce8ff;
  animation: direct-pulse 1.1s ease-in-out infinite;
}

.direct-arrow {
  position: relative;
  display: grid;
  place-items: center;
}
.direct-arrow i {
  position: relative;
  width: 100%;
  height: 2px;
  overflow: hidden;
  background: #2a2b31;
}
.direct-arrow i::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 -35%;
  width: 35%;
  background: linear-gradient(90deg, transparent, #4a87ff, transparent);
  opacity: 0;
}
.direct-arrow span {
  position: absolute;
  padding: 5px 9px;
  border: 1px solid rgba(74, 135, 255, .25);
  border-radius: 99px;
  background: #0d0e12;
  color: #759ce8;
  font-size: 9px;
  font-weight: 700;
  white-space: nowrap;
}
.workflow-stage[data-phase="work"] .direct-arrow i::after {
  opacity: 1;
  animation: direct-transfer 1.15s linear infinite;
}

.direct-action-card {
  transition: opacity .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}
.workflow-stage[data-phase="command"] .direct-action-card { opacity: .42; }
.workflow-stage[data-phase="work"] .direct-action-card,
.workflow-stage[data-phase="done"] .direct-action-card {
  border-color: rgba(74, 135, 255, .28);
  background: #15171d;
}
.direct-action {
  margin-top: clamp(14px, 2vw, 22px);
}
.direct-action-title {
  color: #fff;
  font-family: var(--display);
  font-size: clamp(17px, 2vw, 25px);
  font-weight: 650;
}
.direct-action ol {
  margin: clamp(12px, 1.8vw, 20px) 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
  list-style: none;
}
.direct-action li {
  min-width: 0;
  padding: 10px 12px;
  display: grid;
  grid-template-columns: 23px minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  border: 1px solid rgba(255, 255, 255, .07);
  border-radius: 9px;
  background: rgba(255, 255, 255, .025);
  color: #a7a7b0;
  opacity: .34;
  transform: translateY(5px);
  transition: opacity .35s var(--ease), transform .35s var(--ease);
}
.direct-action li > span {
  display: grid;
  place-items: center;
  width: 21px;
  height: 21px;
  border-radius: 6px;
  background: #24262d;
  color: #81818b;
  font-size: 9px;
  font-weight: 700;
}
.direct-action li b {
  overflow: hidden;
  font-size: clamp(11px, 1.15vw, 14px);
  font-weight: 580;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.direct-action li i {
  color: #63d99b;
  font-size: 9px;
  font-style: normal;
  opacity: 0;
}
.workflow-stage[data-phase="work"] .direct-action li,
.workflow-stage[data-phase="done"] .direct-action li {
  opacity: 1;
  transform: none;
}
.workflow-stage[data-phase="work"] .direct-action li:nth-child(2),
.workflow-stage[data-phase="done"] .direct-action li:nth-child(2) { transition-delay: .24s; }
.workflow-stage[data-phase="done"] .direct-action li > span {
  background: rgba(34, 162, 99, .15);
  color: #64d79b;
}
.workflow-stage[data-phase="done"] .direct-action li i { opacity: 1; }

.direct-result {
  margin-top: clamp(12px, 1.8vw, 18px);
  padding: 10px 12px;
  display: block;
  border: 1px solid rgba(86, 211, 144, .22);
  border-radius: 9px;
  background: rgba(34, 162, 99, .1);
  color: #73dfa7;
  font-size: clamp(11px, 1.15vw, 14px);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .35s var(--ease), transform .35s var(--ease);
}
.workflow-stage[data-phase="done"] .direct-result {
  opacity: 1;
  transform: none;
}

.direct-summary {
  display: none;
  position: absolute;
  inset: 64px 22px 30px;
  place-content: center;
  text-align: center;
  background: radial-gradient(circle at 50% 30%, rgba(0, 85, 255, .2), transparent 55%);
}
.direct-summary > p { color: #a6a6af; font-size: clamp(13px, 1.4vw, 17px); }
.direct-summary > strong {
  margin-top: 8px;
  color: #fff;
  font-family: var(--display);
  font-size: clamp(25px, 3.5vw, 46px);
  letter-spacing: -.025em;
}
.direct-summary > div {
  margin-top: 24px;
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}
.direct-summary span {
  padding: 9px 13px;
  border: 1px solid rgba(86, 211, 144, .2);
  border-radius: 99px;
  background: rgba(34, 162, 99, .08);
  color: #83e5b0;
  font-size: clamp(10px, 1vw, 12px);
}
.workflow-stage[data-phase="summary"] .direct-demo-flow,
.workflow-stage[data-phase="summary"] .workflow-status { display: none; }
.workflow-stage[data-phase="summary"] .direct-summary { display: grid; }

.workflow-stage.demo-static .direct-demo-flow,
.workflow-stage.demo-static .workflow-status { display: none; }
.workflow-stage.demo-static .direct-summary { display: grid; }

@keyframes direct-transfer {
  to { transform: translateX(385%); }
}
@keyframes direct-pulse {
  50% { border-color: rgba(74, 135, 255, .55); box-shadow: 0 0 18px rgba(0, 85, 255, .18); }
}

/* ---- v10 高级设备镜头：手机与电脑分开出现 ---- */
.workflow-stage { aspect-ratio: 16 / 9; }
.direct-demo-flow {
  position: relative;
  width: 100%;
  height: calc(100% - 76px);
  margin: 10px auto 0;
  display: block;
  overflow: hidden;
  border-radius: 14px;
  background: #020306;
}
.device-shot {
  position: absolute;
  inset: 0;
  overflow: hidden;
  opacity: 0;
  transform: scale(.97);
  transition: opacity .5s var(--ease), transform .7s var(--ease-out);
  pointer-events: none;
}
.workflow-stage[data-phase="command"] .device-shot-phone,
.workflow-stage[data-phase="work"] .device-shot-laptop,
.workflow-stage[data-phase="done"] .device-shot-laptop,
.workflow-stage[data-phase="summary"] .device-shot-laptop {
  opacity: 1;
  transform: none;
}
.device-shot-art {
  position: relative;
  height: 100%;
  margin: 0 auto;
}
.phone-shot-art { aspect-ratio: 620 / 941; }
.laptop-shot-art { aspect-ratio: 1067 / 941; }
.device-shot-art > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.device-shot-title {
  position: absolute;
  z-index: 3;
  left: clamp(14px, 4vw, 54px);
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  gap: 8px;
}
.device-shot-title span {
  width: max-content;
  padding: 5px 10px;
  border: 1px solid rgba(92, 145, 255, .3);
  border-radius: 99px;
  background: rgba(0, 85, 255, .1);
  color: #80aaff;
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .08em;
}
.device-shot-title b {
  color: #fff;
  font-family: var(--display);
  font-size: clamp(17px, 2vw, 25px);
  font-weight: 650;
}

.device-phone-ui,
.device-laptop-ui {
  position: absolute;
  z-index: 2;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  color: #fff;
}
.device-phone-ui {
  left: 36.4%;
  top: 12.4%;
  width: 51%;
  height: 69.2%;
  padding: clamp(20px, 2.1vw, 28px) clamp(10px, 1.2vw, 15px) 12px;
  border-radius: 9% / 5%;
  background:
    radial-gradient(circle at 50% 0%, rgba(0, 85, 255, .22), transparent 42%),
    linear-gradient(180deg, rgba(18, 21, 29, .97), rgba(5, 7, 11, .98));
}
.device-laptop-ui {
  left: 11.5%;
  top: 16.8%;
  width: 70.7%;
  height: 50.5%;
  padding: clamp(14px, 1.8vw, 23px) clamp(16px, 2.2vw, 28px);
  background:
    radial-gradient(circle at 80% 0%, rgba(0, 85, 255, .18), transparent 42%),
    rgba(8, 10, 15, .98);
}
.device-screen-head {
  min-height: 20px;
  padding-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, .09);
  color: #8e8e98;
  font-size: clamp(8px, .8vw, 10px);
  font-weight: 700;
}
.device-screen-head i {
  color: #6f9eff;
  font-style: normal;
  font-weight: 650;
}
.device-phone-ui .direct-command {
  margin: auto 0;
  padding: clamp(10px, 1.25vw, 15px);
  border-radius: 13px 13px 4px 13px;
}
.device-phone-ui .direct-command p {
  font-size: clamp(9px, 1vw, 12px);
  line-height: 1.45;
}
.device-phone-ui .direct-send-pill {
  padding: 5px 5px 5px 9px;
  font-size: 8px;
}
.device-phone-ui .direct-send-pill span {
  width: 17px;
  height: 17px;
}

.device-laptop-ui .direct-action {
  margin-top: clamp(9px, 1.1vw, 14px);
}
.device-laptop-ui .direct-action-title {
  font-size: clamp(15px, 1.65vw, 21px);
}
.device-laptop-ui .direct-action ol {
  margin-top: clamp(8px, 1vw, 12px);
  gap: 6px;
}
.device-laptop-ui .direct-action li {
  padding: 7px 9px;
  grid-template-columns: 20px minmax(0, 1fr) auto;
  gap: 7px;
}
.device-laptop-ui .direct-action li > span {
  width: 18px;
  height: 18px;
}
.device-laptop-ui .direct-action li b { font-size: clamp(9px, 1vw, 12px); }
.device-laptop-ui .direct-result {
  margin-top: clamp(7px, 1vw, 11px);
  padding: 7px 9px;
  font-size: clamp(9px, .95vw, 12px);
}

.direct-summary {
  left: 11.5%;
  top: 16.8%;
  width: 70.7%;
  height: 50.5%;
  inset: auto;
  z-index: 4;
  padding: 14px;
  background:
    radial-gradient(circle at 50% 20%, rgba(0, 85, 255, .22), transparent 58%),
    rgba(8, 10, 15, .98);
}
.direct-summary > p { font-size: clamp(10px, 1vw, 13px); }
.direct-summary > strong { font-size: clamp(20px, 2.7vw, 34px); }
.direct-summary > div { margin-top: clamp(12px, 1.5vw, 18px); }
.direct-summary span { padding: 6px 9px; font-size: clamp(8px, .8vw, 10px); }

.workflow-stage[data-phase="summary"] .direct-demo-flow,
.workflow-stage.demo-static .direct-demo-flow { display: block; }
.workflow-stage[data-phase="summary"] .device-laptop-ui { opacity: 0; }
.workflow-stage.demo-static .device-shot-laptop {
  opacity: 1;
  transform: none;
}
.workflow-stage.demo-static .device-laptop-ui { display: none; }

/* ---- v11 独立 16:9 产品镜头 + 精致软件界面 ---- */
.phone-shot-art,
.laptop-shot-art { aspect-ratio: 16 / 9; }

.device-phone-ui {
  left: 39%;
  top: 7.5%;
  width: 21.7%;
  height: 81%;
  padding: 0;
  border-radius: 10% / 5%;
  background: #181818;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .045);
}
.chatgpt-mobile-head {
  height: 11%;
  padding: 0 8%;
  display: grid;
  grid-template-columns: 22px 1fr 22px;
  place-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, .07);
  color: #d8d8d8;
  background: #181818;
  font-size: clamp(7px, .75vw, 10px);
}
.chatgpt-mobile-head b {
  font-size: clamp(9px, .9vw, 12px);
  font-weight: 650;
}
.chatgpt-mobile-head i {
  color: #8d8d8d;
  font-style: normal;
  letter-spacing: .08em;
}
.chatgpt-mobile-chat {
  height: 76%;
  padding: 10% 7% 5%;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 50% 15%, rgba(255, 255, 255, .025), transparent 36%),
    #181818;
}
.chatgpt-user-label {
  color: #8e8e8e;
  font-size: clamp(7px, .66vw, 9px);
  font-weight: 650;
}
.chatgpt-command-bubble {
  min-height: 42%;
  margin-top: 5%;
  padding: 7% 8%;
  border-radius: 14px 14px 4px 14px;
  background: #303030;
  color: #f2f2f2;
  font-size: clamp(8px, .82vw, 11px);
  line-height: 1.48;
  box-shadow: 0 10px 24px rgba(0, 0, 0, .22);
}
.chatgpt-command-bubble > i {
  display: none;
  width: 1px;
  height: 1.1em;
  margin-left: 2px;
  vertical-align: -.15em;
  background: #fff;
  animation: typing-cursor .75s steps(1) infinite;
}
.chatgpt-command-bubble.is-typing > i { display: inline-block; }
.mobile-voice-strip {
  margin-top: auto;
  padding: 6% 7%;
  display: flex;
  align-items: center;
  gap: 7%;
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 10px;
  color: #a9a9a9;
  background: #222;
}
.mobile-voice-strip > b {
  min-width: 0;
  overflow: hidden;
  font-size: clamp(6px, .6vw, 8px);
  font-weight: 560;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.voice-bars {
  height: 14px;
  display: flex;
  align-items: center;
  gap: 2px;
}
.voice-bars i {
  width: 2px;
  height: 35%;
  border-radius: 9px;
  background: #fff;
  animation: voice-wave .72s ease-in-out infinite alternate;
}
.voice-bars i:nth-child(2) { animation-delay: -.18s; }
.voice-bars i:nth-child(3) { animation-delay: -.36s; }
.voice-bars i:nth-child(4) { animation-delay: -.54s; }
.voice-bars i:nth-child(5) { animation-delay: -.27s; }
.chatgpt-mobile-input {
  height: 13%;
  margin: 0 6% 5%;
  padding: 0 4% 0 6%;
  display: grid;
  grid-template-columns: 20px 1fr 22px;
  align-items: center;
  gap: 3%;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 999px;
  color: #838383;
  background: #202020;
  font-size: clamp(6px, .6vw, 8px);
}
.chatgpt-mobile-input b {
  min-width: 0;
  overflow: hidden;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.chatgpt-mobile-input i {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  color: #111;
  background: #fff;
  font-size: 8px;
  font-style: normal;
}

.device-laptop-ui {
  left: 24%;
  top: 12.3%;
  width: 52%;
  height: 60.3%;
  padding: 0;
  overflow: hidden;
  border-radius: 2px;
  background: #202124;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .04);
}
.agent-control-bar {
  height: 11%;
  padding: 0 2.6%;
  display: grid;
  grid-template-columns: 10px auto 1fr auto;
  align-items: center;
  gap: 1.5%;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  color: #cfcfd2;
  background: #16171b;
  font-size: clamp(6px, .62vw, 8px);
}
.agent-control-bar > span { color: #58d590; font-size: 7px; }
.agent-control-bar > b { color: #fff; font-size: clamp(7px, .7vw, 9px); }
.agent-control-bar > i {
  color: #85858d;
  font-style: normal;
}
.agent-control-bar > em {
  padding: 3px 6px;
  border-radius: 99px;
  color: #9ab9ff;
  background: rgba(52, 104, 215, .13);
  font-size: clamp(5px, .54vw, 7px);
  font-style: normal;
}
.workflow-stage[data-phase="done"] .agent-control-bar > em {
  color: #74dca3;
  background: rgba(34, 162, 99, .13);
}

.desktop-app {
  display: none;
  position: absolute;
  inset: 11% 0 0;
  overflow: hidden;
}
.workflow-stage[data-step="1"] .desktop-mail { display: flex; }
.workflow-stage[data-step="2"] .desktop-wechat { display: grid; }
.workflow-stage[data-step="3"] .desktop-moments { display: grid; }

/* Gmail desktop */
.gmail-sidebar {
  width: 24%;
  padding: 3.4%;
  display: flex;
  flex-direction: column;
  gap: 5%;
  color: #5f6368;
  background: #f6f8fc;
  font-size: clamp(6px, .62vw, 8px);
}
.gmail-sidebar strong {
  display: flex;
  align-items: center;
  gap: 7%;
  color: #3c4043;
  font-size: clamp(7px, .75vw, 10px);
}
.gmail-sidebar strong span { color: #d93025; font-size: 1.25em; }
.gmail-sidebar button {
  padding: 7% 9%;
  border: 0;
  border-radius: 9px;
  color: #1f1f1f;
  background: #c2e7ff;
  font: 600 clamp(6px, .62vw, 8px) var(--sans);
  text-align: left;
}
.gmail-sidebar i { font-style: normal; }
.gmail-workspace {
  position: relative;
  flex: 1;
  background: #f6f8fc;
}
.gmail-toolbar {
  height: 15%;
  padding: 0 4%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #5f6368;
  font-size: clamp(6px, .62vw, 8px);
}
.gmail-compose {
  position: absolute;
  inset: 11% 4% 5%;
  overflow: hidden;
  border-radius: 8px;
  color: #202124;
  background: #fff;
  box-shadow: 0 5px 22px rgba(60, 64, 67, .26);
  opacity: .58;
  transform: translateY(7px);
  transition: opacity .4s var(--ease), transform .4s var(--ease);
}
.workflow-stage[data-phase="work"] .gmail-compose,
.workflow-stage[data-phase="done"] .gmail-compose {
  opacity: 1;
  transform: none;
}
.gmail-compose header {
  height: 19%;
  padding: 0 4%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #fff;
  background: #404040;
  font-size: clamp(6px, .62vw, 8px);
}
.gmail-compose p {
  height: 14%;
  margin: 0 4%;
  display: grid;
  grid-template-columns: 18% 1fr;
  align-items: center;
  border-bottom: 1px solid #eceff1;
  color: #444746;
  font-size: clamp(6px, .62vw, 8px);
}
.gmail-compose p b { color: #747775; font-weight: 500; }
.gmail-body {
  padding: 4%;
  color: #3c4043;
  font-size: clamp(6px, .62vw, 8px);
  line-height: 1.55;
  opacity: .25;
  transition: opacity .8s var(--ease) .25s;
}
.workflow-stage[data-phase="work"] .gmail-body,
.workflow-stage[data-phase="done"] .gmail-body { opacity: 1; }
.gmail-compose > button {
  position: absolute;
  left: 4%;
  bottom: 6%;
  padding: 4px 12px;
  border: 0;
  border-radius: 99px;
  color: #fff;
  background: #0b57d0;
  font: 650 clamp(5px, .55vw, 7px) var(--sans);
}

/* WeChat desktop */
.desktop-wechat {
  grid-template-columns: 8% 28% 1fr;
  color: #252525;
  background: #f5f5f5;
}
.wechat-app-rail {
  padding: 12% 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 11%;
  color: #949494;
  background: #2e2e2e;
  font-size: clamp(7px, .7vw, 9px);
}
.wechat-app-rail span {
  display: grid;
  place-items: center;
  width: 58%;
  aspect-ratio: 1;
  border-radius: 7px;
  color: #fff;
  background: #1aad19;
  font-size: clamp(5px, .55vw, 7px);
}
.wechat-app-rail i { font-style: normal; }
.wechat-contact-list {
  padding: 5%;
  border-right: 1px solid #dedede;
  background: #ededed;
}
.wechat-search {
  padding: 5% 7%;
  border-radius: 5px;
  color: #999;
  background: #dbdbdb;
  font-size: clamp(5px, .55vw, 7px);
}
.wechat-contact-list p {
  margin-top: 5%;
  padding: 6%;
  display: grid;
  grid-template-columns: 26px 1fr auto;
  align-items: center;
  gap: 6%;
  border-radius: 5px;
  font-size: clamp(5px, .55vw, 7px);
}
.wechat-contact-list p:first-of-type { background: #d5d5d5; }
.wechat-contact-list p > span {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 5px;
  color: #fff;
  background: #1aad19;
}
.wechat-contact-list p > i { color: #999; font-size: .85em; font-style: normal; }
.wechat-chat-pane {
  position: relative;
  min-width: 0;
  background: #f5f5f5;
}
.wechat-chat-pane header {
  height: 15%;
  padding: 0 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #e5e5e5;
  font-size: clamp(6px, .62vw, 8px);
  font-weight: 650;
}
.wechat-sent-images {
  width: 75%;
  margin: 5% 5% 0 auto;
  padding: 3%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3%;
  border-radius: 8px 8px 2px 8px;
  background: #95ec69;
}
.wechat-sent-images img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 4px;
  opacity: .14;
  transform: translateY(5px);
  transition: opacity .35s var(--ease), transform .35s var(--ease);
}
.workflow-stage[data-phase="work"] .wechat-sent-images img,
.workflow-stage[data-phase="done"] .wechat-sent-images img {
  opacity: 1;
  transform: none;
}
.wechat-sent-images img:nth-child(2) { transition-delay: .18s; }
.wechat-sent-images img:nth-child(3) { transition-delay: .36s; }
.wechat-chat-pane > p {
  width: max-content;
  max-width: 76%;
  margin: 3% 5% 0 auto;
  padding: 2.5% 4%;
  border-radius: 7px 7px 2px 7px;
  background: #95ec69;
  font-size: clamp(5px, .55vw, 7px);
}
.wechat-compose-bar {
  position: absolute;
  inset: auto 5% 5%;
  padding: 3% 4%;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid #e5e5e5;
  color: #999;
  font-size: clamp(5px, .55vw, 7px);
}
.wechat-compose-bar span { color: #1aad19; }

/* WeChat Moments desktop */
.desktop-moments {
  grid-template-columns: 8% 22% 1fr;
  color: #252525;
  background: #f5f5f5;
}
.moments-nav {
  padding: 9%;
  border-right: 1px solid #dedede;
  background: #ededed;
  font-size: clamp(5px, .55vw, 7px);
}
.moments-nav b { display: block; margin-bottom: 16%; font-size: 1.2em; }
.moments-nav p { padding: 7% 9%; border-radius: 5px; color: #777; }
.moments-nav p.on { color: #111; background: #d7d7d7; }
.moments-publisher {
  position: relative;
  padding: 0 5% 5%;
}
.moments-publisher header {
  height: 15%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #e5e5e5;
  font-size: clamp(6px, .62vw, 8px);
  font-weight: 650;
}
.moments-video-card {
  position: relative;
  width: 48%;
  height: 47%;
  margin-top: 4%;
  overflow: hidden;
  border-radius: 6px;
  background: #111;
}
.moments-video-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .35;
  transform: scale(1.03);
  transition: opacity .8s var(--ease), transform 1.2s var(--ease);
}
.workflow-stage[data-phase="work"] .moments-video-card img,
.workflow-stage[data-phase="done"] .moments-video-card img { opacity: .85; transform: none; }
.moments-video-card span {
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  color: #fff;
  background: rgba(0, 0, 0, .64);
  font-size: 7px;
}
.moments-video-card i {
  position: absolute;
  right: 5px;
  bottom: 4px;
  color: #fff;
  font-size: 6px;
  font-style: normal;
}
.moments-publisher > p {
  position: absolute;
  left: 55%;
  top: 23%;
  right: 5%;
  color: #555;
  font-size: clamp(5px, .55vw, 7px);
  line-height: 1.55;
}
.moments-publisher > button {
  position: absolute;
  right: 5%;
  bottom: 8%;
  padding: 4px 12px;
  border: 0;
  border-radius: 4px;
  color: #fff;
  background: #07c160;
  font: 650 clamp(5px, .55vw, 7px) var(--sans);
}

.desktop-result {
  position: absolute;
  z-index: 5;
  right: 3%;
  bottom: 4%;
  padding: 6px 9px;
  border: 1px solid rgba(32, 165, 92, .26);
  border-radius: 7px;
  color: #0c7b3d;
  background: rgba(233, 255, 242, .94);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .13);
  font-size: clamp(5px, .58vw, 8px);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .35s var(--ease), transform .35s var(--ease);
}
.workflow-stage[data-phase="done"] .desktop-result {
  opacity: 1;
  transform: none;
}

.laptop-shot-art .direct-summary {
  left: 24%;
  top: 12.3%;
  width: 52%;
  height: 60.3%;
}

@keyframes voice-wave {
  from { height: 25%; }
  to { height: 100%; }
}
@keyframes typing-cursor {
  50% { opacity: 0; }
}

/* ---- v12 电影式镜头：全景交代设备，关键动作推近屏幕 ---- */
.device-shot-art {
  transform: scale(1);
  will-change: transform;
  transition: transform 1.05s cubic-bezier(.22, .75, .2, 1);
}
.phone-shot-art { transform-origin: 50% 49%; }
.laptop-shot-art { transform-origin: 50% 42%; }
.workflow-stage[data-camera="phone"] .phone-shot-art {
  transform: scale(1.9);
}
.workflow-stage[data-camera="laptop"] .laptop-shot-art {
  transform: scale(1.48);
}
.device-shot-title {
  transition:
    opacity .35s var(--ease),
    transform .55s var(--ease-out);
}
.workflow-stage[data-camera="phone"] .device-shot-phone .device-shot-title,
.workflow-stage[data-camera="laptop"] .device-shot-laptop .device-shot-title {
  opacity: 0;
  transform: translateY(-50%) translateX(-12px);
}
.voice-bars i { animation: none; }
.workflow-stage[data-focus="phone-voice"] .voice-bars i {
  animation: voice-wave .72s ease-in-out infinite alternate;
}
.workflow-stage[data-focus="phone-voice"] .chatgpt-command-bubble {
  opacity: .12;
}
.workflow-stage[data-focus="phone-transcript"] .chatgpt-command-bubble,
.workflow-stage[data-focus="phone-send"] .chatgpt-command-bubble {
  opacity: 1;
}
.workflow-stage[data-phase="done"] .gmail-compose > button,
.workflow-stage[data-phase="done"] .moments-publisher > button {
  box-shadow: 0 0 0 3px rgba(26, 174, 92, .16);
}

/* ---- v13 沉浸式跟随镜头 + 更真实的桌面软件 ---- */
.device-shot-art {
  transition:
    transform 1.24s cubic-bezier(.22, .75, .2, 1),
    transform-origin 1.24s cubic-bezier(.22, .75, .2, 1);
}
.workflow-stage[data-focus="phone-voice"] .phone-shot-art {
  transform: translate3d(-1%, -2%, 0) scale(1.6);
  transform-origin: 55% 56%;
}
.workflow-stage[data-focus="phone-transcript"] .phone-shot-art {
  transform: translate3d(-1.5%, -.5%, 0) scale(1.64);
  transform-origin: 55% 43%;
}
.workflow-stage[data-focus="phone-send"] .phone-shot-art {
  transform: translate3d(-2.5%, -3.5%, 0) scale(1.72);
  transform-origin: 55% 67%;
}
.chatgpt-mobile-input i {
  position: relative;
  transition: transform .16s var(--ease), box-shadow .2s var(--ease);
}
.chatgpt-mobile-input i::after {
  content: "";
  position: absolute;
  inset: -4px;
  border: 1px solid rgba(35, 118, 255, .9);
  border-radius: 50%;
  opacity: 0;
}
.workflow-stage[data-focus="phone-send"][data-action="click"] .chatgpt-mobile-input i {
  transform: scale(.8);
  box-shadow: 0 0 0 4px rgba(35, 118, 255, .18);
}
.workflow-stage[data-focus="phone-send"][data-action="click"] .chatgpt-mobile-input i::after {
  animation: ai-click-ring .62s ease-out both;
}

/* 镜头不只推近，也跟随正在操作的区域平移。 */
.workflow-stage[data-focus="gmail-open"] .laptop-shot-art,
.workflow-stage[data-focus="wechat-open"] .laptop-shot-art,
.workflow-stage[data-focus="moments-open"] .laptop-shot-art {
  transform: translate3d(0, .5%, 0) scale(1.12);
  transform-origin: 50% 43%;
}
.workflow-stage[data-focus="gmail-compose"] .laptop-shot-art {
  transform: translate3d(-1%, 0, 0) scale(1.25);
  transform-origin: 58% 43%;
}
.workflow-stage[data-focus="gmail-to"] .laptop-shot-art {
  transform: translate3d(-3%, 2%, 0) scale(1.42);
  transform-origin: 61% 36%;
}
.workflow-stage[data-focus="gmail-body"] .laptop-shot-art {
  transform: translate3d(-2%, -1%, 0) scale(1.38);
  transform-origin: 61% 50%;
}
.workflow-stage[data-focus="gmail-send"] .laptop-shot-art {
  transform: translate3d(3%, -4%, 0) scale(1.5);
  transform-origin: 47% 72%;
}
.workflow-stage[data-focus="gmail-result"] .laptop-shot-art {
  transform: translate3d(-4%, -3%, 0) scale(1.36);
  transform-origin: 66% 60%;
}
.workflow-stage[data-focus="wechat-contact"] .laptop-shot-art {
  transform: translate3d(4%, 1%, 0) scale(1.42);
  transform-origin: 39% 41%;
}
.workflow-stage[data-focus="wechat-images"] .laptop-shot-art {
  transform: translate3d(-4%, -.5%, 0) scale(1.4);
  transform-origin: 67% 44%;
}
.workflow-stage[data-focus="wechat-send"] .laptop-shot-art {
  transform: translate3d(-5%, -4%, 0) scale(1.48);
  transform-origin: 74% 72%;
}
.workflow-stage[data-focus="wechat-result"] .laptop-shot-art {
  transform: translate3d(-4%, -3%, 0) scale(1.36);
  transform-origin: 67% 60%;
}
.workflow-stage[data-focus="moments-video"] .laptop-shot-art {
  transform: translate3d(1%, 0, 0) scale(1.38);
  transform-origin: 53% 53%;
}
.workflow-stage[data-focus="moments-copy"] .laptop-shot-art {
  transform: translate3d(-4%, .5%, 0) scale(1.42);
  transform-origin: 66% 42%;
}
.workflow-stage[data-focus="moments-publish"] .laptop-shot-art {
  transform: translate3d(-5%, -4%, 0) scale(1.5);
  transform-origin: 74% 72%;
}
.workflow-stage[data-focus="moments-result"] .laptop-shot-art {
  transform: translate3d(-4%, -3%, 0) scale(1.36);
  transform-origin: 67% 60%;
}

/* AI 光标随流程移动；点击时出现按压与涟漪。 */
.ai-pointer {
  position: absolute;
  z-index: 30;
  left: 50%;
  top: 50%;
  width: 12px;
  height: 17px;
  opacity: 0;
  filter: drop-shadow(0 2px 2px rgba(0, 0, 0, .5));
  transform: translate(-2px, -2px);
  transition:
    left 1.02s cubic-bezier(.2, .75, .2, 1),
    top 1.02s cubic-bezier(.2, .75, .2, 1),
    opacity .22s var(--ease),
    transform .16s var(--ease);
  pointer-events: none;
}
.ai-pointer::before {
  content: "";
  position: absolute;
  inset: 0;
  background: #fff;
  clip-path: polygon(0 0, 0 100%, 31% 71%, 50% 100%, 68% 89%, 49% 60%, 84% 58%);
}
.ai-pointer::after {
  content: "";
  position: absolute;
  left: -5px;
  top: -5px;
  width: 18px;
  height: 18px;
  border: 1px solid rgba(35, 118, 255, .9);
  border-radius: 50%;
  opacity: 0;
}
.workflow-stage[data-camera="laptop"] .ai-pointer { opacity: 1; }
.workflow-stage[data-focus="gmail-compose"] .ai-pointer { left: 76%; top: 33%; }
.workflow-stage[data-focus="gmail-to"] .ai-pointer { left: 61%; top: 45%; }
.workflow-stage[data-focus="gmail-body"] .ai-pointer { left: 63%; top: 61%; }
.workflow-stage[data-focus="gmail-send"] .ai-pointer { left: 47%; top: 93%; }
.workflow-stage[data-focus="gmail-result"] .ai-pointer { left: 82%; top: 92%; }
.workflow-stage[data-focus="wechat-contact"] .ai-pointer { left: 22%; top: 38%; }
.workflow-stage[data-focus="wechat-images"] .ai-pointer { left: 75%; top: 45%; }
.workflow-stage[data-focus="wechat-send"] .ai-pointer { left: 93%; top: 93%; }
.workflow-stage[data-focus="wechat-result"] .ai-pointer { left: 82%; top: 92%; }
.workflow-stage[data-focus="moments-video"] .ai-pointer { left: 50%; top: 61%; }
.workflow-stage[data-focus="moments-copy"] .ai-pointer { left: 72%; top: 36%; }
.workflow-stage[data-focus="moments-publish"] .ai-pointer { left: 93%; top: 92%; }
.workflow-stage[data-focus="moments-result"] .ai-pointer { left: 82%; top: 92%; }
.workflow-stage[data-action="click"] .ai-pointer {
  transform: translate(-2px, -2px) scale(.82);
}
.workflow-stage[data-action="click"] .ai-pointer::after {
  animation: ai-click-ring .62s ease-out both;
}

/* Gmail */
.gmail-sidebar {
  width: 22%;
  padding: 3% 2.5%;
  gap: 3.5%;
  background: #f6f8fc;
}
.gmail-sidebar strong { padding: 0 6%; }
.gmail-mark {
  background: linear-gradient(135deg, #4285f4 10%, #ea4335 34%, #fbbc04 65%, #34a853 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent !important;
  font-weight: 900;
}
.gmail-sidebar button {
  margin: 3% 0 5%;
  padding: 8% 10%;
  border-radius: 12px;
  box-shadow: 0 1px 2px rgba(60, 64, 67, .16);
}
.gmail-sidebar > i {
  position: relative;
  padding: 4% 7%;
  border-radius: 0 99px 99px 0;
  font-size: clamp(5px, .56vw, 7px);
}
.gmail-sidebar > i.on {
  color: #001d35;
  background: #d3e3fd;
  font-weight: 700;
}
.gmail-sidebar > i b { float: right; font-size: .9em; }
.gmail-workspace {
  overflow: hidden;
  border-radius: 10px 0 0;
  background: #fff;
}
.gmail-toolbar {
  height: 16%;
  padding: 0 3%;
  background: #f6f8fc;
}
.gmail-search {
  width: 66%;
  padding: 3% 5%;
  border-radius: 99px;
  color: #5f6368;
  background: #eaf1fb;
}
.gmail-tools { display: flex; align-items: center; gap: 6px; }
.gmail-tools > span {
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  color: #fff;
  background: #5f6368;
}
.gmail-inbox-list { color: #3c4043; }
.gmail-inbox-list p {
  height: 17%;
  margin: 0;
  padding: 0 3%;
  display: grid;
  grid-template-columns: 15% 25% 1fr auto;
  align-items: center;
  border-bottom: 1px solid #eceff1;
  background: #fff;
  font-size: clamp(5px, .52vw, 7px);
}
.gmail-inbox-list i,
.gmail-inbox-list em { color: #777; font-style: normal; }
.gmail-inbox-list b { font-weight: 650; }
.gmail-compose {
  inset: auto 2.5% 0 auto;
  width: 73%;
  height: 80%;
  border-radius: 9px 9px 0 0;
  opacity: 0;
  transform: translateY(14%);
}
.workflow-stage[data-focus="gmail-compose"] .gmail-compose,
.workflow-stage[data-focus="gmail-to"] .gmail-compose,
.workflow-stage[data-focus="gmail-body"] .gmail-compose,
.workflow-stage[data-focus="gmail-send"] .gmail-compose,
.workflow-stage[data-focus="gmail-result"] .gmail-compose {
  opacity: 1;
  transform: none;
}
.gmail-compose header { height: 17%; background: #404040; }
.gmail-compose p {
  height: 13%;
  grid-template-columns: auto 1fr auto;
  gap: 3%;
  font-size: clamp(5px, .54vw, 7px);
}
.gmail-compose p > i { color: #777; font-size: .9em; font-style: normal; }
.gmail-compose .gmail-subject { display: flex; }
.gmail-body {
  height: 42%;
  padding: 4%;
  font-size: clamp(5px, .54vw, 7px);
  opacity: .12;
}
.workflow-stage[data-focus="gmail-body"] .gmail-body,
.workflow-stage[data-focus="gmail-send"] .gmail-body,
.workflow-stage[data-focus="gmail-result"] .gmail-body { opacity: 1; }
.workflow-stage[data-focus="gmail-to"] .gmail-to {
  background: rgba(232, 240, 254, .82);
  box-shadow: inset 0 0 0 1px rgba(26, 115, 232, .2);
}
.gmail-compose-actions {
  position: absolute;
  inset: auto 4% 5%;
  display: flex;
  align-items: center;
  gap: 6%;
  color: #5f6368;
  font-size: clamp(5px, .52vw, 7px);
}
.gmail-compose-actions button {
  padding: 4px 13px;
  border: 0;
  border-radius: 99px;
  color: #fff;
  background: #0b57d0;
  font: 650 clamp(5px, .55vw, 7px) var(--sans);
  transition: transform .16s var(--ease), box-shadow .2s var(--ease);
}
.workflow-stage[data-focus="gmail-send"][data-action="click"] .gmail-compose-actions button {
  transform: scale(.9);
  box-shadow: 0 0 0 4px rgba(11, 87, 208, .2);
}

/* 微信聊天 */
.wechat-app-rail { background: #2b2b2b; }
.wechat-contact-list { padding: 3.5%; }
.wechat-search {
  display: flex;
  justify-content: space-between;
  padding: 4% 6%;
}
.wechat-contact-list p {
  margin-top: 2.5%;
  padding: 5%;
  grid-template-columns: 24px minmax(0, 1fr) auto;
}
.wechat-contact-list p:first-of-type,
.wechat-contact-list p.on { background: #d6d6d6; }
.wechat-contact-list p > span.blue { background: #4578b9; }
.wechat-contact-list p > span.orange { background: #c98745; }
.wechat-contact-list p b {
  min-width: 0;
  font-weight: 600;
}
.wechat-contact-list p small {
  margin-top: 2px;
  display: block;
  overflow: hidden;
  color: #888;
  font-size: .82em;
  font-weight: 400;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.wechat-chat-pane header b { display: grid; gap: 1px; }
.wechat-chat-pane header small {
  color: #999;
  font-size: .72em;
  font-weight: 400;
}
.wechat-chat-pane > time {
  display: block;
  margin-top: 3%;
  color: #aaa;
  font-size: clamp(4px, .45vw, 6px);
  text-align: center;
}
.wechat-sent-images {
  width: 68%;
  margin-top: 3%;
  background: #fff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .12);
}
.wechat-chat-pane > p { margin-top: 2%; }
.wechat-compose-bar {
  inset: auto 0 0;
  height: 24%;
  padding: 3% 4%;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto 1fr;
  align-content: start;
  background: #fff;
}
.wechat-compose-bar > span {
  grid-column: 1 / -1;
  color: #555;
}
.wechat-compose-bar > b {
  color: #aaa;
  font-weight: 400;
}
.wechat-compose-bar > button {
  align-self: end;
  padding: 3px 10px;
  border: 1px solid #ddd;
  border-radius: 3px;
  color: #555;
  background: #f7f7f7;
  font: 500 clamp(5px, .52vw, 7px) var(--sans);
}
.workflow-stage[data-focus="wechat-open"] .wechat-sent-images img,
.workflow-stage[data-focus="wechat-contact"] .wechat-sent-images img {
  opacity: .06;
  transform: translateY(6px);
}
.workflow-stage[data-focus="wechat-contact"][data-action="click"] .wechat-contact-list p.on {
  box-shadow: inset 3px 0 #07c160;
  transform: scale(.98);
}
.workflow-stage[data-focus="wechat-send"][data-action="click"] .wechat-compose-bar > button {
  color: #fff;
  background: #07c160;
  transform: scale(.9);
}

/* 微信朋友圈 */
.moments-nav {
  padding: 6%;
  background: #ededed;
}
.moments-nav b { padding: 4% 7%; }
.moments-nav p { margin-top: 2%; }
.moments-nav p.on {
  color: #111;
  background: #d6d6d6;
  font-weight: 650;
}
.moments-publisher {
  padding: 0 5% 4%;
  background: #f7f7f7;
}
.moments-publisher header b {
  color: #888;
  font-size: .85em;
  font-weight: 450;
}
.moments-author {
  margin-top: 4%;
  display: flex;
  align-items: center;
  gap: 3%;
}
.moments-author > span {
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  border-radius: 5px;
  color: #fff;
  background: #3977b9;
  font-size: 7px;
}
.moments-author b {
  display: grid;
  color: #43628b;
  font-size: clamp(5px, .55vw, 7px);
}
.moments-author small { color: #999; font-size: .78em; font-weight: 400; }
.moments-copy {
  position: absolute;
  left: 25%;
  top: 28%;
  right: 5%;
  color: #444;
  font-size: clamp(5px, .55vw, 7px);
}
.moments-video-card {
  width: 45%;
  height: 38%;
  margin-top: 5%;
}
.moments-options {
  position: absolute;
  left: 5%;
  right: 5%;
  bottom: 9%;
  display: grid;
  gap: 3px;
  color: #777;
  font-size: clamp(4px, .48vw, 6px);
}
.moments-options span {
  padding-bottom: 3px;
  border-bottom: 1px solid #e5e5e5;
}
.moments-publisher > button { bottom: 8%; }
.workflow-stage[data-focus="moments-open"] .moments-video-card img {
  opacity: .12;
  transform: scale(1.06);
}
.workflow-stage[data-focus="moments-video"] .moments-video-card {
  box-shadow: 0 0 0 2px rgba(7, 193, 96, .25);
}
.workflow-stage[data-focus="moments-copy"] .moments-copy,
.workflow-stage[data-focus="moments-copy"] .moments-options {
  color: #111;
}
.workflow-stage[data-focus="moments-publish"][data-action="click"] .moments-publisher > button {
  transform: scale(.88);
  box-shadow: 0 0 0 4px rgba(7, 193, 96, .2);
}

@keyframes ai-click-ring {
  0% { opacity: .9; transform: scale(.35); }
  100% { opacity: 0; transform: scale(1.7); }
}

/* ---- v14 按真实 App 结构复刻：iOS / Gmail Web / 微信 macOS ---- */
.iphone-statusbar {
  height: 5.5%;
  padding: 0 8%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #f4f4f4;
  background: #181818;
  font-size: clamp(5px, .5vw, 7px);
}
.iphone-statusbar b { font-weight: 650; }
.iphone-statusbar span { letter-spacing: -.08em; }
.chatgpt-mobile-head { height: 9.5%; }
.chatgpt-mobile-chat {
  height: 71.5%;
  padding-top: 8%;
}
.chatgpt-mobile-input { height: 13.5%; }
.mobile-voice-strip {
  width: max-content;
  max-width: 100%;
  margin-right: auto;
  padding: 5% 7%;
  border-radius: 999px;
  background: #252525;
}

/* AI 操作状态变为悬浮层，不再占用真实软件的界面空间。 */
.agent-control-bar {
  position: absolute;
  z-index: 40;
  top: 2%;
  right: 2%;
  width: auto;
  height: auto;
  min-height: 8%;
  padding: 0 2%;
  grid-template-columns: 7px auto auto auto;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 999px;
  background: rgba(22, 23, 27, .9);
  box-shadow: 0 5px 18px rgba(0, 0, 0, .22);
  backdrop-filter: blur(10px);
}
.desktop-app { inset: 0; }

/* macOS 通用窗口栏 */
.mac-window-dots {
  display: flex;
  align-items: center;
  gap: 4px;
}
.mac-window-dots i {
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ff5f57;
}
.mac-window-dots i:nth-child(2) { background: #febc2e; }
.mac-window-dots i:nth-child(3) { background: #28c840; }

/* Gmail 网页版：Chrome 窗口 + 完整 Gmail 工作区 */
.desktop-mail {
  flex-direction: column;
  color: #202124;
  background: #fff;
}
.gmail-browser-bar {
  flex: 0 0 9%;
  padding: 0 2%;
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  align-items: center;
  gap: 3%;
  border-bottom: 1px solid #d9dce0;
  color: #5f6368;
  background: #eef0f3;
  font-size: clamp(4px, .48vw, 6px);
}
.gmail-browser-bar > b {
  min-width: max-content;
  padding: 3px 9px;
  border-radius: 6px 6px 0 0;
  color: #3c4043;
  background: #fff;
  font-size: inherit;
}
.gmail-browser-bar > em {
  padding: 3px 8%;
  border-radius: 99px;
  color: #5f6368;
  background: #fff;
  font-style: normal;
  text-align: center;
}
.gmail-app-shell {
  min-height: 0;
  flex: 1;
  display: flex;
}
.gmail-app-shell .gmail-sidebar { flex: 0 0 22%; }
.gmail-app-shell .gmail-workspace { min-width: 0; flex: 1; }
.gmail-sidebar strong {
  font-family: Arial, sans-serif;
  letter-spacing: -.02em;
}
.gmail-sidebar button {
  color: #001d35;
  background: #c2e7ff;
}
.gmail-toolbar {
  border-bottom: 1px solid #edf0f2;
  background: #f6f8fc;
}
.gmail-search { text-align: left; }
.gmail-compose {
  border: 1px solid rgba(60, 64, 67, .12);
  box-shadow: 0 8px 28px rgba(60, 64, 67, .3);
}
.gmail-compose header {
  color: #041e49;
  background: #f2f6fc;
}
.gmail-compose-actions button { background: #0b57d0; }

/* 微信 macOS 4.x：系统窗口栏 + 三栏应用结构 */
.desktop-wechat,
.desktop-moments {
  grid-template-rows: 8% minmax(0, 1fr);
}
.wechat-window-bar {
  grid-column: 1 / -1;
  grid-row: 1;
  padding: 0 2%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid #d4d4d4;
  color: #646464;
  background: #f4f4f4;
  font-size: clamp(4px, .48vw, 6px);
}
.wechat-window-bar > b {
  color: #333;
  font-weight: 600;
  text-align: center;
}
.wechat-window-bar > span:last-child {
  justify-self: end;
  letter-spacing: .12em;
}
.desktop-wechat .wechat-app-rail,
.desktop-moments .wechat-app-rail,
.desktop-wechat .wechat-contact-list,
.desktop-wechat .wechat-chat-pane,
.desktop-moments .moments-nav,
.desktop-moments .moments-publisher {
  grid-row: 2;
  min-height: 0;
}
.wechat-app-rail {
  padding-top: 15%;
  background: #2e2e2e;
}
.wechat-contact-list { background: #ececec; }
.wechat-chat-pane { background: #f5f5f5; }
.wechat-chat-pane header { background: #f5f5f5; }
.wechat-compose-bar {
  border-top: 1px solid #dedede;
  background: #fff;
}
.moments-nav { background: #ececec; }
.moments-publisher { background: #f7f7f7; }


/* ============================================================
   13 屏 6  现场装好（四步安装清单）
   ============================================================ */
.method-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  width: 100%;
  max-width: 1040px;
  margin-top: clamp(28px, 5vw, 56px);
}
.method-list > div {
  min-height: 112px;
  padding: clamp(20px, 2.5vw, 30px);
  display: flex;
  align-items: center;
  gap: 22px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-tile);
  background: var(--surface-2);
}
.method-list span { color: #62626a; font-size: 12px; letter-spacing: .08em; }
.method-list b {
  color: var(--ink);
  font-size: clamp(17px, 1.6vw, 22px);
  letter-spacing: -.025em;
  text-align: left;
}


/* ============================================================
   14 屏 7  适合谁
   三栏等宽 —— 之前 1.15fr/1.15fr/.7fr 会把第三张卡压窄、标题折行。
   ============================================================ */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  width: 100%;
  max-width: 1160px;
  margin-top: clamp(28px, 5vw, 56px);
}
.audience-card {
  display: flex;
  flex-direction: column;
  min-height: 260px;
  padding: clamp(24px, 3vw, 38px);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-tile);
  background: var(--surface-2);
  text-align: left;
}
.audience-card.audience-primary {
  border-color: rgba(79, 139, 255, .28);
  background: linear-gradient(145deg, rgba(36, 98, 230, .15), transparent 48%), #111216;
}
.audience-card span { color: #62626a; font-size: 12px; letter-spacing: .08em; }
.audience-card b {
  margin-top: auto;
  color: var(--ink);
  font-size: clamp(21px, 2vw, 28px);
  letter-spacing: -.035em;
  text-wrap: nowrap;          /* 「想提升技能的人」不再折出一个孤字 */
}
.audience-card p { margin-top: 8px; color: var(--body); font-size: 15px; line-height: 1.6; }
/* 同 .outcome-card：给说明留固定行数，三张卡的标题才在同一条基线上 */
@media (min-width: 781px) {
  .audience-card p { min-height: calc(2 * 1.6em); }
}


/* ============================================================
   15 屏 8  $99 CTA
   ============================================================ */
.card-cta {
  justify-content: center;
  align-items: center;
  text-align: center;
  background:
    radial-gradient(800px 520px at 88% 50%, rgba(27, 98, 255, .19), transparent 70%),
    #070708;
}
.card-cta .bs.sp { margin-top: 1.1em; }

.cta-steps {
  margin: clamp(20px, 3vw, 34px) 0;
  color: #bcbcc4;
  font-size: clamp(15px, 1.5vw, 20px);
  font-weight: 650;
  word-break: keep-all;   /* 同 .micro：只在「·」处换行 */
}
.cta-steps span { margin: 0 10px; color: #5d5d66; }

.cta-price {
  color: #fff;
  font: 760 clamp(46px, 7vw, 84px)/1 var(--display);
  letter-spacing: -.06em;
}


/* ============================================================
   16 屏 9  正课价格
   ============================================================ */
.card-price {
  justify-content: center;
  align-items: center;
  text-align: center;
  background: #060607;
}

.price-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 1040px;
  margin: 0 auto clamp(18px, 4vw, 30px);
  text-align: center;
}
.price-head .bm,
.price-head .bs { width: 100%; max-width: none; text-align: center; }
.price-head .bs { margin-top: 8px; }

.price-cards {
  display: flex;
  gap: 12px;
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding-top: 11px;          /* 给早鸟徽章留出跨边框的位置 */
}

.price-card {
  position: relative;
  isolation: isolate;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: clamp(24px, 3vw, 36px);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-tile);
  background: var(--surface-2);
  text-align: center;
  transition: transform .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.price-card.price-hot {
  border-color: rgba(79, 139, 255, .45);
  background: linear-gradient(145deg, rgba(30, 91, 220, .2), transparent 46%), #121317;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .07);
}
.price-card.price-alt {
  border-color: rgba(255, 255, 255, .075);
  background: #0e0e10;
}
.price-card.price-alt h3,
.price-card.price-alt .price { color: var(--body); }

/* 早鸟徽章：骑在卡片上边框中央，不再压住「一天正课」标题 */
.price-tag {
  position: absolute;
  z-index: 4;
  top: -11px;
  left: 50%;
  transform: translateX(-50%);
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  background: #286fff;
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .02em;
  white-space: nowrap;
}

.price-card h3 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 14px;
  color: var(--body);
}
.price {
  margin-top: 4px;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(42px, 5vw, 68px);
  line-height: 1.1;
  letter-spacing: -.035em;
  color: var(--ink);
}
.price .placeholder { font-size: 20px; }

.price-feat {
  list-style: none;
  width: fit-content;
  max-width: 100%;
  margin: 22px auto 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: left;
}
.price-feat li {
  position: relative;
  padding-left: 20px;
  color: var(--body);
  font-size: 14px;
  line-height: 1.5;
}
.price-feat li b { color: var(--ink); font-weight: 600; }
.price-feat li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: .58em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #707078;
}
.price-card.price-hot .price-feat li::before { background: var(--accent-soft); }


/* ============================================================
   17 屏 10  关于 Aiven
   ============================================================ */
/* 这张卡同时带 .card-helper（居中），用 .card.card-about 提高优先级。 */
.card.card-about {
  align-items: center;
  text-align: left;
}
/* 统一 720px：既压住正文行长（约 36 个汉字一行），
   又让眉标、标题、正文的左边缘对齐成一条线。 */
.card.card-about > * {
  width: 100%;
  max-width: 720px;
}


/* ============================================================
   18 屏 11  扫码加入
   ============================================================ */
.card-last {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: #070708;
}
.card-last .sp { margin-top: 1em; }
.card-last #screen-11 { position: absolute; top: 0; }

.qr-box {
  position: relative;
  width: min(240px, 64vw);
  aspect-ratio: 1;
  margin-top: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--hairline);
  border-radius: 16px;
  background: #0f0f11;
}
.qr-box img { width: 88%; height: 88%; object-fit: contain; }
.qr-box .qr-hint {
  display: none;
  position: absolute;
  color: var(--dim);
  font-size: 13px;
  letter-spacing: .1em;
}
.qr-box.qr-empty img { display: none; }
.qr-box.qr-empty .qr-hint { display: block; }

.card-last .qr-box {
  width: min(168px, 42vw);
  margin: clamp(16px, 3vw, 28px) auto;
  align-self: center;
}


/* ============================================================
   19 会员专区与口令门
   （members.html / install-guide.html 另有各自的补充样式表）
   ============================================================ */
.member-page {
  min-height: 100svh;
  padding: 130px clamp(20px, 4vw, 48px) 90px;
  display: flex;
  flex-direction: column;
  align-items: center;
  background:
    radial-gradient(620px 360px at 50% 0%, rgba(31, 91, 225, .12), transparent 70%),
    #000;
}

.gate {
  width: min(100%, 560px);
  padding: clamp(34px, 6vw, 58px);
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 1px solid var(--hairline);
  border-radius: 20px;
  background: var(--surface);
  box-shadow: var(--shadow-card);
  text-align: center;
}
.gate-note { margin-top: 16px; color: var(--dim); font-size: 14px; }
.gate-form {
  width: 100%;
  max-width: 390px;
  margin-top: 32px;
  display: flex;
  gap: 10px;
}
.gate-input {
  flex: 1;
  min-width: 0;
  height: 44px;
  padding: 12px 16px;
  border: 1px solid var(--hairline);
  border-radius: 9px;
  background: var(--surface-2);
  color: var(--ink);
  font-size: 15px;
  outline: none;
}
.gate-input:focus {
  border-color: rgba(87, 143, 255, .65);
  box-shadow: 0 0 0 3px rgba(32, 101, 255, .12);
}
.gate-input.shake { animation: shake .4s; }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}
.gate-btn {
  height: 44px;
  padding: 0 22px;
  border: none;
  border-radius: 9px;
  background: #fff;
  color: #111;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.gate-msg { margin-top: 18px; min-height: 1.4em; color: #c96a5a; font-size: 13px; }

.member-area {
  width: 100%;
  max-width: 820px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.member-area > .h-lg { margin-bottom: 16px; }

.member-section {
  position: relative;
  isolation: isolate;
  padding: 28px 30px;
  border: 1px solid rgba(255, 255, 255, .09);
  border-radius: var(--radius-tile);
  background: #0c0c0d;
}
.member-section h2 {
  margin-bottom: 10px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -.01em;
  color: var(--ink);
}
.member-body { font-size: 14px; }
.member-section .qr-box { margin-top: 8px; }

.member-resource-link {
  display: inline-flex;
  margin-top: 16px;
  padding: 10px 16px;
  border: 1px solid rgba(77, 132, 255, .36);
  border-radius: 9px;
  background: rgba(40, 109, 255, .1);
  color: #dce6ff;
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
  transition: transform .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease);
}
.member-resource-link:hover {
  transform: translateY(-1px);
  border-color: rgba(77, 132, 255, .58);
  background: rgba(40, 109, 255, .16);
}
.member-resource-link + .member-resource-link { margin-left: 8px; }

.section-locked-note { display: none; color: var(--dim); font-size: 14px; }
.member-section.section-locked .member-body,
.member-section.section-locked .member-resource-link,
.member-section.section-locked .qr-box { display: none; }
.member-section.section-locked h2 { color: var(--dim); }
.member-section.section-locked .section-locked-note { display: block; }


/* ============================================================
   20 进场动效与边缘巡航
   进入视口：淡入 + 上移 + 微缩放（js/main.js 给 .panel 加 .motion-in）
   ============================================================ */
html.motion-enabled .panel .card > :not([id]) {
  opacity: 0;
  transform: translate3d(0, 22px, 0) scale(.985);
  filter: blur(5px);
  transition:
    opacity .72s var(--ease-out),
    transform .88s var(--ease-out),
    filter .62s ease;
}
html.motion-enabled .panel.motion-in .card > :not([id]) {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
  filter: blur(0);
}

html.motion-enabled .panel.motion-in .card > :nth-child(2) { transition-delay: .06s; }
html.motion-enabled .panel.motion-in .card > :nth-child(3) { transition-delay: .12s; }
html.motion-enabled .panel.motion-in .card > :nth-child(4) { transition-delay: .18s; }
html.motion-enabled .panel.motion-in .card > :nth-child(5) { transition-delay: .24s; }
html.motion-enabled .panel.motion-in .card > :nth-child(6) { transition-delay: .3s; }
html.motion-enabled .panel.motion-in .card > :nth-child(n+7) { transition-delay: .34s; }

/* 网格容器本身不动，内部小卡逐张进入 */
html.motion-enabled .panel .card > .price-cards,
html.motion-enabled .panel .card > .outcome-grid,
html.motion-enabled .panel .card > .audience-grid,
html.motion-enabled .panel .card > .method-list,
html.motion-enabled .panel .card > .task-chips {
  opacity: 1;
  transform: none;
  filter: none;
}
html.motion-enabled .price-cards .price-card,
html.motion-enabled .outcome-grid .outcome-card,
html.motion-enabled .audience-grid .audience-card,
html.motion-enabled .method-list > div {
  opacity: 0;
  transform: translate3d(0, 18px, 0) scale(.975);
  transition:
    opacity .68s var(--ease-out),
    transform .8s var(--ease-out),
    border-color .35s ease,
    box-shadow .35s ease,
    background-color .35s ease;
}
html.motion-enabled .panel.motion-in .price-cards .price-card,
html.motion-enabled .panel.motion-in .outcome-grid .outcome-card,
html.motion-enabled .panel.motion-in .audience-grid .audience-card,
html.motion-enabled .panel.motion-in .method-list > div {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}
html.motion-enabled .panel.motion-in :is(.price-card, .outcome-card, .audience-card, .method-list > div):nth-child(1) { transition-delay: .14s; }
html.motion-enabled .panel.motion-in :is(.price-card, .outcome-card, .audience-card, .method-list > div):nth-child(2) { transition-delay: .22s; }
html.motion-enabled .panel.motion-in :is(.price-card, .outcome-card, .audience-card, .method-list > div):nth-child(3) { transition-delay: .3s; }
html.motion-enabled .panel.motion-in :is(.price-card, .outcome-card, .audience-card, .method-list > div):nth-child(4) { transition-delay: .38s; }

/* 「AI 助理替你办事」的呼吸光 */
@keyframes accent-breathe {
  0%, 100% { text-shadow: 0 0 24px rgba(63, 123, 255, .16); }
  50% { text-shadow: 0 0 44px rgba(63, 123, 255, .34); }
}
.panel.motion-in .helper-accent { animation: accent-breathe 4.2s ease-in-out 1s infinite; }

/* 小卡边缘巡航：一段蓝白高光沿边框转圈 */
@property --edge-angle {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}
@keyframes edge-orbit { to { --edge-angle: 360deg; } }

.price-card::before,
.member-section::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  padding: 1px;
  border-radius: inherit;
  pointer-events: none;
  background: conic-gradient(
    from var(--edge-angle),
    transparent 0deg 236deg,
    rgba(62, 124, 255, .03) 250deg,
    rgba(71, 135, 255, .72) 282deg,
    rgba(194, 216, 255, .96) 306deg,
    rgba(78, 139, 255, .42) 326deg,
    transparent 344deg 360deg
  );
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  animation: edge-orbit 6.5s linear infinite;
  animation-play-state: paused;
  transition: opacity .35s ease;
}
.panel.motion-in .price-card::before { opacity: .42; animation-play-state: running; }
.panel.motion-in .price-card.price-hot::before { opacity: .9; animation-duration: 4.8s; }
.panel.motion-in .price-card.price-alt::before { opacity: .3; }
.member-area:not([hidden]) .member-section::before {
  opacity: .26;
  animation-play-state: running;
  animation-duration: 8s;
}
.panel.is-hidden .price-card::before { animation-play-state: paused; }

@media (hover: hover) {
  .btn-cta:hover::after,
  .price-btn:hover::after,
  .nav-qr:hover::after { transform: translateX(130%); }

  .price-card:hover,
  .outcome-card:hover,
  .audience-card:hover,
  .method-list > div:hover {
    transform: translateY(-4px);
    border-color: rgba(128, 163, 235, .24);
    box-shadow: 0 18px 42px rgba(0, 0, 0, .28), inset 0 1px 0 rgba(255, 255, 255, .07);
  }

  .price-card:hover::before,
  .member-section:hover::before {
    opacity: 1 !important;
    animation-duration: 2.8s !important;
  }

  .workflow-stage:hover {
    border-color: rgba(111, 151, 232, .24);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06), 0 34px 90px rgba(0, 0, 0, .52), 0 0 58px rgba(41, 91, 198, .1);
  }
}


/* ============================================================
   21 响应式
   ============================================================ */

/* ---- 平板 --------------------------------------------------- */
@media (max-width: 900px) {
  .card { padding: clamp(30px, 6vw, 52px) clamp(24px, 6vw, 48px); }

  .outcome-grid { grid-template-columns: repeat(2, 1fr); }
  .outcome-card:last-child { grid-column: 1 / -1; min-height: 170px; }

  .audience-grid { grid-template-columns: repeat(2, 1fr); }
  .audience-card:last-child { grid-column: 1 / -1; min-height: 170px; }
}

/* ---- Hero 转竖排 --------------------------------------------- */
@media (max-width: 780px) {
  .hero-title { font-size: clamp(43px, 12vw, 62px); }

  /* 指令面板回到正常文档流，跟在正文下面 */
  .hero-command {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    max-width: 430px;
    margin-top: 26px;
  }
  .hero-meta { position: static; margin-top: 16px; }

  .outcome-grid { grid-template-columns: 1fr; gap: 8px; }
  .outcome-card,
  .outcome-card:last-child { grid-column: auto; min-height: 118px; padding: 18px; }
  .outcome-card h2 { margin-top: 22px; }
}

/* ---- 手机 --------------------------------------------------- */
@media (max-width: 700px) {
  .nav { height: 58px; padding: 0 16px; gap: 10px; }
  .nav-links { gap: 10px; }
  .nav-links a { font-size: 12px; }
  .nav-qr { padding: 6px 12px; }
  .brand { font-size: 12.5px; }

  .panel { padding: 58px 8px 8px; }
  .card { padding: clamp(24px, 7vw, 34px) clamp(20px, 7vw, 30px); border-radius: 18px; }

  .bl { font-size: clamp(30px, 9vw, 40px); }
  .bm { font-size: clamp(22px, 6.6vw, 30px); }
  .bs { font-size: clamp(13px, 3.8vw, 16px); }

  /* Hero：标题按可用宽度收字号，避免「聊/天。」这类孤字断行 */
  .hero-v8 { justify-content: flex-start; padding-top: clamp(72px, 12vh, 105px); }
  .hero-v8 .eyebrow { margin-bottom: 16px; }
  .hero-title { font-size: clamp(30px, 10.4vw, 44px); }
  .hero-flow { margin-top: 18px; }
  .hero-flow b { padding: 6px 10px; font-size: 11px; }
  .hero-v8 .hero-more { margin-top: 16px; }
  .hero-command { padding: 15px; border-radius: 15px; margin-top: 18px; }
  .hero-command p { margin-top: 7px; font-size: 15px; }
  .hero-command-send { margin-top: 10px; }

  .half-punch { margin-top: 30px; }
  .task-chips { margin-top: 18px; }

  .card-learn .learn-top .bm { font-size: clamp(26px, 8vw, 34px); }
  .card-learn .learn-top .bs { margin-top: 10px; }

  .card-helper .bl { font-size: clamp(23px, 6.8vw, 30px); }
  .card-helper .helper-accent { font-size: clamp(30px, 9vw, 40px); }
  .card-helper::after { width: 80vw; right: -28%; }

  .outcome-grid { margin-top: 14px; }
  .outcome-card p { margin-top: 7px; line-height: 1.45; }

  .method-list,
  .audience-grid { grid-template-columns: 1fr; gap: 8px; margin-top: 18px; }
  .method-list > div { min-height: 72px; padding: 14px 18px; gap: 16px; }
  .audience-card,
  .audience-card:last-child { grid-column: auto; min-height: 112px; padding: 18px; }
  .audience-card b { text-wrap: wrap; }

  .price-cards { flex-direction: column; gap: 10px; }
  .price-card { padding: 16px 15px; border-radius: 10px; }
  .price-card h3 { font-size: 12.5px; }
  .price { font-size: 27px; margin-top: 2px; }
  .price-feat { margin: 10px auto 14px; gap: 6px; }
  .price-feat li { padding-left: 16px; font-size: 12px; line-height: 1.4; }
  .price-feat li::before { width: 4px; height: 4px; left: 2px; }
  .price-btn { padding: 8px 20px; font-size: 12.5px; }

  .card-cta .btn-cta { padding: 11px 18px; border-radius: 8px; font-size: 15px; }

  .card-last .qr-box { width: min(148px, 42vw); margin: 14px auto; border-radius: 12px; }
  .card-last .site-foot { margin-top: 16px; padding-top: 14px; font-size: 11px; }

  /* 底部内容避开右下角的 AI 助教浮标 */
  .card-cta,
  .card-price,
  .card-last { padding-bottom: calc(clamp(24px, 7vw, 34px) + var(--aiw-safe)); }

  .progress { left: 5px; gap: 9px; }
  .progress .p-label { display: none; }

  .gate { padding: 30px 22px; border-radius: 16px; }
  .gate-form { flex-direction: column; }
  .gate-btn { width: 100%; }
  .member-section { padding: 22px 20px; }

  /* ---- 演示：手机指令 → AI 完成，纵向直线展示 ---- */
  .demo-v8-card { padding: 18px 14px; }
  .workflow-stage {
    height: min(62svh, 500px);
    aspect-ratio: auto;
    padding: 12px;
    border-radius: 14px;
  }
  .direct-demo-tabs {
    height: 34px;
    gap: 5px;
  }
  .direct-demo-tab {
    padding: 0 6px;
    gap: 5px;
  }
  .direct-demo-tab span { font-size: 8px; }
  .direct-demo-tab b { font-size: 9px; }
  .direct-demo-flow {
    height: calc(100% - 62px);
    margin-top: 8px;
    grid-template-columns: 1fr;
    grid-template-rows: minmax(100px, .8fr) 26px minmax(170px, 1.2fr);
    gap: 5px;
  }
  .direct-command-card,
  .direct-action-card {
    padding: 10px 12px;
    border-radius: 10px;
  }
  .direct-card-label { font-size: 9px; }
  .direct-card-label > span { width: 18px; height: 18px; font-size: 8px; }
  .direct-command {
    margin: 8px 0;
    padding: 10px 12px;
    border-radius: 11px 11px 3px 11px;
  }
  .direct-command p { font-size: 11px; line-height: 1.42; }
  .direct-send-pill { padding: 4px 5px 4px 9px; font-size: 8px; }
  .direct-send-pill span { width: 16px; height: 16px; }
  .direct-arrow i {
    width: 2px;
    height: 100%;
  }
  .direct-arrow i::after {
    inset: -35% 0 auto;
    width: auto;
    height: 35%;
    background: linear-gradient(180deg, transparent, #4a87ff, transparent);
  }
  .direct-arrow span { padding: 3px 7px; font-size: 8px; }
  .workflow-stage[data-phase="work"] .direct-arrow i::after {
    animation-name: direct-transfer-mobile;
  }
  .direct-action { margin-top: 8px; }
  .direct-action-title { font-size: 14px; }
  .direct-action ol { margin-top: 7px; gap: 5px; }
  .direct-action li {
    padding: 6px 8px;
    grid-template-columns: 18px minmax(0, 1fr) auto;
    gap: 6px;
  }
  .direct-action li > span { width: 17px; height: 17px; font-size: 8px; }
  .direct-action li b { font-size: 10px; }
  .direct-action li i { font-size: 8px; }
  .direct-result { margin-top: 7px; padding: 7px 8px; font-size: 9px; }
  .direct-summary { inset: 54px 12px 26px; }
  .direct-summary > div { margin-top: 16px; gap: 5px; }
  .direct-summary span { padding: 7px 9px; font-size: 9px; }
  .device-shot-title {
    left: 9px;
    top: 10px;
    transform: none;
    gap: 5px;
  }
  .device-shot-title span { padding: 4px 7px; font-size: 8px; }
  .device-shot-title b { font-size: 13px; }
  .phone-shot-art {
    width: auto;
    height: 100%;
  }
  .laptop-shot-art {
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: auto;
    transform: translateY(-50%);
  }
  .device-phone-ui {
    padding: 21px 7px 8px;
  }
  .device-phone-ui .device-screen-head {
    padding-bottom: 5px;
    font-size: 7px;
  }
  .device-phone-ui .direct-command { padding: 8px; }
  .device-phone-ui .direct-command p { font-size: 8.5px; line-height: 1.38; }
  .device-phone-ui .direct-send-pill { padding: 3px 3px 3px 6px; font-size: 7px; }
  .device-phone-ui .direct-send-pill span { width: 14px; height: 14px; }
  .device-laptop-ui {
    padding: 8px 10px;
  }
  .device-laptop-ui .device-screen-head {
    min-height: 15px;
    padding-bottom: 4px;
    font-size: 7px;
  }
  .device-laptop-ui .direct-action { margin-top: 5px; }
  .device-laptop-ui .direct-action-title { font-size: 11px; }
  .device-laptop-ui .direct-action ol { margin-top: 4px; gap: 3px; }
  .device-laptop-ui .direct-action li {
    padding: 4px 5px;
    grid-template-columns: 14px minmax(0, 1fr) auto;
    gap: 4px;
  }
  .device-laptop-ui .direct-action li > span { width: 13px; height: 13px; font-size: 7px; }
  .device-laptop-ui .direct-action li b { font-size: 8px; }
  .device-laptop-ui .direct-action li i { font-size: 7px; }
  .device-laptop-ui .direct-result { margin-top: 4px; padding: 4px 5px; font-size: 7.5px; }
  .laptop-shot-art .direct-summary {
    left: 11.5%;
    top: 16.8%;
    width: 70.7%;
    height: 50.5%;
    padding: 8px;
  }
  .direct-summary > p { font-size: 8px; }
  .direct-summary > strong { margin-top: 4px; font-size: 16px; }
  .direct-summary > div { margin-top: 8px; gap: 3px; }
  .direct-summary span { padding: 4px 6px; font-size: 7px; }
  .phone-shot-art,
  .laptop-shot-art {
    position: relative;
    left: auto;
    top: auto;
    width: auto;
    height: 100%;
    transform: none;
    aspect-ratio: 16 / 9;
  }
  .device-phone-ui,
  .device-laptop-ui { padding: 0; }
  .laptop-shot-art .direct-summary {
    left: 24%;
    top: 12.3%;
    width: 52%;
    height: 60.3%;
    padding: 8px;
  }
  .chatgpt-mobile-head { font-size: 7px; }
  .chatgpt-mobile-head b { font-size: 8px; }
  .chatgpt-command-bubble { font-size: 7.5px; }
  .mobile-voice-strip > b { font-size: 6px; }
  .agent-control-bar { font-size: 5px; }
  .agent-control-bar > b { font-size: 6px; }
  .agent-control-bar > em { font-size: 5px; }
  .gmail-sidebar,
  .gmail-toolbar,
  .gmail-compose header,
  .gmail-compose p,
  .gmail-body,
  .wechat-contact-list p,
  .wechat-chat-pane header,
  .wechat-chat-pane > p,
  .moments-nav,
  .moments-publisher header,
  .moments-publisher > p { font-size: 5px; }
  .desktop-result { padding: 4px 6px; font-size: 5px; }
  .workflow-status { bottom: 3px; font-size: 8px; }
  .workflow-stage[data-camera="phone"] .phone-shot-art {
    transform: scale(1.42);
  }
  .workflow-stage[data-camera="laptop"] .laptop-shot-art {
    transform: scale(1.2);
  }
  .workflow-stage[data-camera="phone"] .device-shot-phone .device-shot-title,
  .workflow-stage[data-camera="laptop"] .device-shot-laptop .device-shot-title {
    transform: translateX(-8px);
  }
  .workflow-stage[data-focus="phone-voice"] .phone-shot-art {
    transform: translate3d(-.5%, -1%, 0) scale(1.29);
  }
  .workflow-stage[data-focus="phone-transcript"] .phone-shot-art {
    transform: translate3d(-1%, 0, 0) scale(1.32);
  }
  .workflow-stage[data-focus="phone-send"] .phone-shot-art {
    transform: translate3d(-1.5%, -2%, 0) scale(1.37);
  }
  .workflow-stage[data-focus="gmail-open"] .laptop-shot-art,
  .workflow-stage[data-focus="wechat-open"] .laptop-shot-art,
  .workflow-stage[data-focus="moments-open"] .laptop-shot-art {
    transform: translate3d(0, .5%, 0) scale(1.04);
  }
  .workflow-stage[data-focus="gmail-compose"] .laptop-shot-art {
    transform: translate3d(-1%, 0, 0) scale(1.08);
  }
  .workflow-stage[data-focus="gmail-to"] .laptop-shot-art {
    transform: translate3d(-2%, 1%, 0) scale(1.12);
  }
  .workflow-stage[data-focus="gmail-body"] .laptop-shot-art {
    transform: translate3d(-1%, -.5%, 0) scale(1.11);
  }
  .workflow-stage[data-focus="gmail-send"] .laptop-shot-art {
    transform: translate3d(2%, -2%, 0) scale(1.13);
  }
  .workflow-stage[data-focus="gmail-result"] .laptop-shot-art,
  .workflow-stage[data-focus="wechat-result"] .laptop-shot-art,
  .workflow-stage[data-focus="moments-result"] .laptop-shot-art {
    transform: translate3d(-2%, -1.5%, 0) scale(1.1);
  }
  .workflow-stage[data-focus="wechat-contact"] .laptop-shot-art {
    transform: translate3d(2%, .5%, 0) scale(1.12);
  }
  .workflow-stage[data-focus="wechat-images"] .laptop-shot-art {
    transform: translate3d(-2%, 0, 0) scale(1.11);
  }
  .workflow-stage[data-focus="wechat-send"] .laptop-shot-art {
    transform: translate3d(-2.5%, -2%, 0) scale(1.13);
  }
  .workflow-stage[data-focus="moments-video"] .laptop-shot-art {
    transform: translate3d(.5%, 0, 0) scale(1.1);
  }
  .workflow-stage[data-focus="moments-copy"] .laptop-shot-art {
    transform: translate3d(-2%, .5%, 0) scale(1.12);
  }
  .workflow-stage[data-focus="moments-publish"] .laptop-shot-art {
    transform: translate3d(-2.5%, -2%, 0) scale(1.13);
  }
  .ai-pointer {
    width: 9px;
    height: 13px;
  }

  .legal-page { padding: 100px 20px 70px; }
}

@keyframes direct-transfer-mobile {
  to { transform: translateY(385%); }
}

/* ---- 矮桌面窗口 ---------------------------------------------- */
@media (max-height: 720px) and (min-width: 701px) {
  .card { padding-top: 34px; padding-bottom: 34px; }
  .bl { font-size: clamp(30px, 3.8vw, 48px); }
  .bm { font-size: clamp(22px, 2.7vw, 31px); }
  .bs { font-size: clamp(14px, 1.35vw, 18px); }
  .outcome-card { min-height: 200px; padding: 22px; }
  .audience-card { min-height: 210px; padding: 24px; }
  .price-card { padding: 24px; }
}


/* ============================================================
   22 减少动态效果
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .card { transform: none !important; opacity: 1 !important; }

  html.motion-enabled .panel .card > :not([id]),
  html.motion-enabled .price-cards .price-card,
  html.motion-enabled .outcome-grid .outcome-card,
  html.motion-enabled .audience-grid .audience-card,
  html.motion-enabled .method-list > div {
    opacity: 1;
    transform: none;
    filter: none;
  }

  .price-card::before,
  .member-section::before { display: none; }
}