/* ==========================================================================
   CYFA 少年创始人学院 — 站点样式 v3（2026-10）
   配色沿用 CYFA 海报/PPT：淡紫底 · 主色紫 · 荧光黄绿强调 · 粉色点缀
   ========================================================================== */

/* 英文字体本地托管（Google Fonts 在国内打不开，还会卡住页面渲染）；中文用系统字体：苹方 / 微软雅黑 */
@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 500 800;
  font-display: swap;
  src: url(fonts/plus-jakarta-sans-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --bg: #F6F3FF;
  --bg-2: #EEE9FF;
  --surface: #FFFFFF;
  --ink: #17123A;
  --ink-2: #4A4566;
  --ink-3: #827C9C;
  --line: #E6E0FA;
  --line-2: #D3CAF2;

  --purple: #4B2BE0;
  --purple-600: #3A1EC4;
  --purple-50: #EDE8FF;
  --purple-100: #DCD3FF;
  --lime: #D7F53A;
  --lime-600: #C4E422;
  --pink: #FF7AC2;
  --pink-50: #FFE8F4;
  --deep: #1A1046;

  --radius-lg: 24px;
  --radius: 18px;
  --radius-sm: 12px;
  --maxw: 1200px;
  --nav-h: 68px;
  --announce-h: 44px;

  --font: 'Plus Jakarta Sans', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;

  /* 兼容旧内联样式 */
  --blue: var(--purple);
  --cream: var(--bg);
  --ink-light: var(--ink-2);
  --ink-faint: var(--ink-3);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + var(--announce-h) + 16px); }
body {
  font-family: var(--font); font-size: 16px; line-height: 1.75; color: var(--ink); background: var(--bg);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: hidden;
}
img { max-width: 100%; display: block; }
[hidden] { display: none !important; } /* 按钮等自带 display 的元素，hidden 也要生效 */
a { color: inherit; }
ul, ol { list-style: none; }
p { text-wrap: pretty; }
::selection { background: var(--lime); color: var(--ink); }
:focus-visible { outline: 2px solid var(--purple); outline-offset: 3px; border-radius: 6px; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ===== 图标 / 编号块（海报里的紫底黄绿字方块） ===== */
.ico { width: 24px; height: 24px; stroke: currentColor; fill: none; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.card-icon, .num-badge {
  width: 48px; height: 48px; border-radius: 14px; background: var(--purple); color: var(--lime);
  display: grid; place-items: center; flex: none;
}
.num-badge { font-weight: 800; font-size: 1.2rem; letter-spacing: -.02em; }
.card-icon { margin-bottom: 20px; }

/* ===== 文字标签：不可点击，所以不用胶囊形，用色块方点 + 文字 ===== */
.pill-row { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-bottom: 24px; }
.pill { display: inline-flex; align-items: center; gap: 8px; font-size: .8rem; font-weight: 800; letter-spacing: .08em; line-height: 1.3; }
.pill::before { content: ""; width: 10px; height: 10px; border-radius: 2px; flex: none; }
.pill--pink { color: #E0489A; }
.pill--pink::before { background: var(--pink); }
.pill--purple { color: var(--purple); }
.pill--purple::before { background: var(--purple); }
.pill--lime { color: var(--ink); }
.pill--lime::before { background: var(--lime); box-shadow: 0 0 0 1.5px var(--purple); }

/* ==========================================================================
   公告条 + 导航
   ========================================================================== */
.announce { background: var(--purple); color: #fff; text-align: center; font-size: .9rem; font-weight: 600; padding: 11px 20px; line-height: 1.5; }
.announce a { color: var(--lime); font-weight: 800; text-decoration: none; margin-left: 10px; white-space: nowrap; }
.announce a:hover { text-decoration: underline; }

.site-top { position: sticky; top: 0; z-index: 100; }
nav {
  position: relative;
  background: rgba(246, 243, 255, .9);
  -webkit-backdrop-filter: saturate(1.4) blur(14px); backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.nav-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-mark { font-weight: 800; font-size: 1.4rem; letter-spacing: -.03em; color: var(--purple); line-height: 1; }
.logo-sub { font-size: .8rem; font-weight: 500; color: var(--ink-3); padding-left: 12px; border-left: 1px solid var(--line-2); line-height: 1.2; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links > a, .nav-dropdown-trigger {
  font-size: .92rem; font-weight: 600; color: var(--ink); text-decoration: none;
  padding: 8px 14px; border-radius: 999px; cursor: pointer; transition: background .15s; user-select: none;
}
.nav-links > a:hover, .nav-dropdown-trigger:hover, .nav-dropdown.open .nav-dropdown-trigger { background: var(--purple-50); }
.nav-links > a.nav-cta { background: var(--purple); color: #fff; font-weight: 700; margin-left: 8px; padding: 9px 22px; }
.nav-links > a.nav-cta:hover { background: var(--purple-600); }

.nav-dropdown { position: relative; }
.nav-dropdown::before { content: ""; position: absolute; left: 0; right: 0; top: 100%; height: 14px; }
.nav-dropdown-trigger { display: inline-flex; align-items: center; gap: 8px; }
.nav-dropdown-trigger::after { content: ""; width: 6px; height: 6px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg) translateY(-2px); transition: transform .2s; }
.nav-dropdown.open .nav-dropdown-trigger::after { transform: rotate(-135deg) translateY(-2px); }
.nav-dropdown-menu {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(-4px);
  min-width: 300px; background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 8px;
  box-shadow: 0 24px 60px -16px rgba(40, 20, 120, .25); opacity: 0; visibility: hidden; transition: opacity .18s, transform .18s, visibility .18s;
}
.nav-dropdown:hover .nav-dropdown-menu, .nav-dropdown.open .nav-dropdown-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav-dropdown-menu a { display: flex; flex-direction: column; gap: 2px; padding: 12px 14px; border-radius: var(--radius-sm); text-decoration: none; font-weight: 700; font-size: .95rem; color: var(--ink); }
.nav-dropdown-menu a:hover { background: var(--bg); }
.menu-sub { font-size: .8rem; font-weight: 500; color: var(--ink-3); }

.nav-toggle { display: none; width: 44px; height: 44px; border: 0; background: transparent; border-radius: 12px; position: relative; cursor: pointer; }
.nav-toggle span { position: absolute; left: 12px; right: 12px; height: 2px; background: var(--ink); border-radius: 2px; transition: top .2s, transform .2s; }
.nav-toggle span:nth-child(1) { top: 17px; }
.nav-toggle span:nth-child(2) { top: 25px; }
nav.open .nav-toggle span:nth-child(1) { top: 21px; transform: rotate(45deg); }
nav.open .nav-toggle span:nth-child(2) { top: 21px; transform: rotate(-45deg); }

/* ==========================================================================
   按钮
   ========================================================================== */
.cta-button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px; background: var(--purple); color: #fff; border: 2px solid var(--purple); border-radius: 999px;
  text-decoration: none; font-family: inherit; font-weight: 700; font-size: .98rem; line-height: 1.2; cursor: pointer;
  transition: background .18s, border-color .18s, color .18s, transform .18s;
}
.cta-button:hover { background: var(--purple-600); border-color: var(--purple-600); transform: translateY(-1px); }
.cta-button--outline { background: transparent; color: var(--ink); border-color: var(--ink); }
.cta-button--outline:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
.cta-button--lime { background: var(--lime); color: var(--purple); border-color: var(--lime); }
.cta-button--lime:hover { background: var(--lime-600); border-color: var(--lime-600); }
.cta-button--dark { background: var(--ink); border-color: var(--ink); }
.cta-button--dark:hover { background: var(--purple); border-color: var(--purple); }
.text-link { font-weight: 700; color: var(--purple); text-decoration: none; }
.text-link:hover { text-decoration: underline; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero { padding: clamp(48px, 7vw, 96px) 0 clamp(56px, 7vw, 96px); position: relative; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 12px; margin-bottom: 18px; font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--purple); }
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--purple); }

.hero h1 { font-weight: 900; font-size: clamp(2.4rem, 5vw, 4.2rem); line-height: 1.16; letter-spacing: -.02em; margin-bottom: 22px; color: var(--ink); text-wrap: balance; }
.hero h1 em {
  font-style: normal; color: var(--purple); white-space: nowrap;
  background-image: linear-gradient(var(--lime), var(--lime)); background-repeat: no-repeat;
  background-size: 100% .32em; background-position: 0 88%; padding: 0 .06em;
}
.hero-home h1 { font-size: clamp(2.3rem, 4.6vw, 3.9rem); }
.hero .sub-en { font-weight: 700; font-size: .95rem; letter-spacing: .08em; color: var(--ink-3); margin-bottom: 18px; }
.hero p.desc { font-size: 1.08rem; line-height: 1.9; color: var(--ink-2); max-width: 56ch; margin-bottom: 30px; }
.hero-cta-group { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-alt { margin-top: 18px; font-size: .95rem; }
.hero-alt a { color: var(--purple); font-weight: 800; text-decoration: none; border-bottom: 1.5px solid var(--purple-100); padding-bottom: 2px; }
.hero-alt a:hover { border-color: var(--purple); }

.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.hero-tags .tag { background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 6px 14px; font-size: .82rem; font-weight: 700; color: var(--ink-2); }

.hero-strip { margin-top: clamp(44px, 5vw, 72px); background: var(--surface); border-radius: var(--radius-lg); }
.hero-strip .hero-tags { gap: 0; margin: 0; }
.hero-strip .hero-tags .tag {
  flex: 1 1 220px; background: transparent; border: 0; border-right: 1px solid var(--line); border-radius: 0;
  padding: 22px 24px; font-size: .95rem; font-weight: 800; color: var(--ink); display: flex; align-items: center; gap: 12px;
}
.hero-strip .hero-tags .tag:last-child { border-right: 0; }
.hero-strip .hero-tags .tag::before { content: ""; width: 10px; height: 10px; border-radius: 3px; background: var(--lime); box-shadow: 0 0 0 2px var(--purple); flex: none; }

/* 项目页 Hero */
.hero-stats { display: flex; flex-wrap: wrap; margin: 0 0 30px; padding: 22px 0; border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); }
.hero-stats > div { padding: 0 26px; border-left: 1px solid var(--line-2); }
.hero-stats > div:first-child { padding-left: 0; border-left: 0; }
.stat-num { font-weight: 900; font-size: clamp(1.7rem, 3vw, 2.3rem); line-height: 1; letter-spacing: -.02em; color: var(--purple); }
.stat-label { font-size: .8rem; color: var(--ink-3); margin-top: 8px; line-height: 1.4; }

.idb-row { display: grid; grid-template-columns: repeat(3, max-content); gap: 10px 22px; margin-bottom: 24px; }
.idb-item { display: flex; align-items: center; gap: 8px; }
.idb-dot { width: 28px; height: 28px; border-radius: 8px; background: var(--purple); color: var(--lime); font-size: .7rem; font-weight: 800; display: grid; place-items: center; }
.idb-label { font-size: .8rem; font-weight: 800; letter-spacing: .1em; color: var(--ink); }

/* 报名摘要卡 */
.enroll-card { background: var(--surface); border-radius: 28px; padding: clamp(26px, 3vw, 36px); box-shadow: 0 40px 80px -40px rgba(60, 30, 180, .45); position: relative; }
.price-badge { display: inline-block; font-size: .78rem; font-weight: 800; color: var(--purple); background: var(--lime); padding: 5px 14px; border-radius: 6px; margin-bottom: 16px; }
.ec-title { font-weight: 900; font-size: 1.5rem; line-height: 1.3; margin-bottom: 6px; }
.ec-date { font-size: .92rem; font-weight: 600; color: var(--ink-2); margin-bottom: 18px; }
.ec-price { display: flex; align-items: baseline; gap: 8px; }
.ec-price b { font-size: clamp(2.6rem, 4.4vw, 3.4rem); font-weight: 900; letter-spacing: -.03em; line-height: 1.1; color: var(--ink); }
.ec-price span { color: var(--ink-3); font-weight: 600; }
.ec-includes { font-size: .9rem; color: var(--ink-2); line-height: 1.85; margin: 20px 0 24px; padding-top: 20px; border-top: 1px solid var(--line); }
.ec-dates { margin: 4px 0 22px; border-top: 1px solid var(--line); }
.ec-dates div { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: .92rem; }
.ec-dates dt { color: var(--ink-3); font-weight: 600; }
.ec-dates dd { font-weight: 800; color: var(--ink); text-align: right; }
.enroll-card .cta-button { width: 100%; }
.ec-note { margin-top: 14px; font-size: .86rem; color: var(--ink-3); text-align: center; }

/* ==========================================================================
   通用区块
   ========================================================================== */
.section { padding: clamp(72px, 9vw, 128px) 0; }
.section--alt { background: var(--bg-2); }
.section-header { margin-bottom: clamp(36px, 5vw, 60px); max-width: 780px; }
.section-number { display: inline-flex; align-items: center; gap: 12px; margin-bottom: 16px; font-size: .8rem; font-weight: 800; letter-spacing: .12em; color: var(--purple); }
.section-number::after { content: ""; width: 32px; height: 2px; background: var(--purple); }
.section-title { font-weight: 900; font-size: clamp(1.9rem, 3.6vw, 2.9rem); line-height: 1.2; letter-spacing: -.02em; color: var(--ink); text-wrap: balance; }
.section-title .en { display: block; margin-top: 12px; font-size: clamp(1rem, 1.6vw, 1.2rem); font-weight: 600; letter-spacing: 0; color: var(--ink-3); line-height: 1.5; }
.section-desc { margin-top: 18px; font-size: 1.04rem; color: var(--ink-2); max-width: 62ch; line-height: 1.85; }

.reveal { opacity: 1; transform: translateY(16px); transition: opacity .7s cubic-bezier(.16, 1, .3, 1), transform .7s cubic-bezier(.16, 1, .3, 1); }
.js-ready .reveal { opacity: 0; }
.js-ready .reveal.visible { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .08s; } .reveal-d2 { transition-delay: .16s; } .reveal-d3 { transition-delay: .24s; }
.reveal-d4 { transition-delay: .32s; } .reveal-d5 { transition-delay: .4s; }

/* ===== 卡片网格 ===== */
.chair-gradient-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.chair-gradient-card { background: var(--surface); border-radius: var(--radius-lg); padding: 32px 28px; transition: transform .2s, box-shadow .2s; }
.chair-gradient-card:hover { transform: translateY(-3px); box-shadow: 0 28px 44px -28px rgba(60, 30, 180, .35); }
.chair-gradient-card h3 { font-size: 1.16rem; font-weight: 800; line-height: 1.45; margin-bottom: 10px; color: var(--ink); }
.chair-gradient-card p { font-size: .95rem; color: var(--ink-2); line-height: 1.85; }

/* 优势卡：优势 + 一句本期证据 */
.adv-card { background: var(--surface); border-radius: var(--radius-lg); padding: 30px 28px; display: flex; flex-direction: column; }
.adv-card .num-badge { margin-bottom: 20px; }
.adv-card h3 { font-size: 1.18rem; font-weight: 800; line-height: 1.45; margin-bottom: 10px; }
.adv-card > p { font-size: .95rem; color: var(--ink-2); line-height: 1.85; }
.adv-proof { margin-top: auto; padding-top: 18px; }
.adv-proof p { font-size: .88rem; line-height: 1.75; color: var(--ink); background: var(--bg); border-radius: var(--radius-sm); padding: 12px 14px; }
.adv-proof b { display: block; font-size: .74rem; font-weight: 800; letter-spacing: .06em; color: var(--purple); margin-bottom: 2px; }


/* 首页 Hero 右侧：一个项目的完整闭环 */
.hero-path { position: relative; }
.hero-path::before { content: ""; position: absolute; width: 120px; height: 120px; border-radius: 50%; background: var(--lime); right: -28px; top: -44px; }
.hero-path::after { content: ""; position: absolute; width: 84px; height: 84px; border-radius: 50%; background: var(--pink); left: -30px; bottom: -30px; }
.path-card { position: relative; z-index: 1; background: var(--purple); color: #fff; border-radius: 32px; padding: clamp(26px, 3vw, 36px); box-shadow: 0 40px 80px -40px rgba(75, 43, 224, .7); }
.path-kicker { font-size: .82rem; font-weight: 800; letter-spacing: .12em; color: var(--lime); margin-bottom: 18px; }
.path-steps { display: flex; flex-direction: column; gap: 10px; }
.path-steps li { display: flex; align-items: center; gap: 14px; background: rgba(255, 255, 255, .1); border-radius: 16px; padding: 14px 16px; font-weight: 800; font-size: 1.02rem; line-height: 1.35; }
.path-steps li b { width: 38px; height: 38px; flex: none; border-radius: 11px; background: var(--lime); color: var(--purple); display: grid; place-items: center; font-weight: 900; font-size: .9rem; }
.path-steps li small { display: block; font-weight: 500; font-size: .8rem; color: rgba(255, 255, 255, .72); margin-top: 3px; }
.path-steps li:last-child { background: var(--lime); color: var(--purple); }
.path-steps li:last-child b { background: var(--purple); color: var(--lime); }
.path-steps li:last-child small { color: rgba(75, 43, 224, .75); }

/* ===== 成长体系：台阶式成长路径 ===== */
.growth { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; align-items: end; }
.g-step { display: flex; flex-direction: column; text-decoration: none; color: inherit; }
.g-card { background: var(--surface); border-radius: 22px; padding: 22px 20px; display: flex; flex-direction: column; gap: 6px; min-height: 340px; transition: transform .2s, box-shadow .2s; }
.g-status { align-self: flex-start; font-size: .74rem; font-weight: 800; color: var(--ink-3); background: var(--bg-2); padding: 4px 12px; border-radius: 6px; margin-bottom: 8px; }
.g-card h3 { font-size: 1.12rem; font-weight: 900; line-height: 1.4; margin-bottom: 4px; text-wrap: balance; }
.g-who { font-size: .9rem; font-weight: 800; color: var(--purple); line-height: 1.5; }
.g-benefit { font-size: .84rem; color: var(--ink-2); line-height: 1.6; }
.g-desc { margin-top: 8px; font-size: .82rem; color: var(--ink-3); line-height: 1.75; }
.g-riser { margin-top: 10px; border-radius: 16px; background: var(--purple-100); color: var(--purple); font-weight: 900; font-size: 1.5rem; letter-spacing: -.02em; display: flex; align-items: flex-end; padding: 10px 16px; }
.g-riser { height: 56px; }
.g-step:nth-child(1) .g-card { min-height: 380px; }
.g-step:nth-child(2) .g-card { min-height: 430px; }
.g-step:nth-child(3) .g-card { min-height: 480px; }
.g-step:nth-child(4) .g-card { min-height: 530px; }
.g-step:nth-child(5) .g-card { min-height: 580px; }
.g-step--live .g-card { background: var(--purple); color: #fff; box-shadow: 0 30px 50px -30px rgba(75, 43, 224, .75); }
.g-step--live .g-status { background: var(--lime); color: var(--purple); }
.g-step--live .g-who { color: var(--lime); }
.g-step--live .g-benefit { color: rgba(255, 255, 255, .85); }
.g-step--live .g-desc { color: rgba(255, 255, 255, .75); }
.g-step--live .g-riser { background: var(--lime); color: var(--purple); }
a.g-step:hover .g-card { transform: translateY(-4px); }
.growth-axis { display: flex; align-items: center; gap: 14px; margin-top: 22px; font-size: .84rem; font-weight: 800; color: var(--purple); }
.growth-axis i { flex: 1; height: 2px; background: linear-gradient(90deg, var(--purple-100), var(--purple)); position: relative; }
.growth-axis i:last-of-type::after { content: ""; position: absolute; right: -2px; top: -5px; border: 6px solid transparent; border-left-color: var(--purple); border-right: 0; }

/* ===== 深色金句 ===== */
.dark-section { position: relative; overflow: hidden; background: var(--deep); color: #fff; padding: clamp(80px, 10vw, 140px) 0; text-align: center; }
.dark-section::before {
  content: attr(data-bg-text); position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  font-weight: 800; font-size: clamp(5rem, 17vw, 15rem); letter-spacing: -.03em; line-height: 1; white-space: nowrap;
  color: transparent; -webkit-text-stroke: 1px rgba(215, 245, 58, .14); pointer-events: none;
}
.dark-section .container { position: relative; }
.dark-section .quote-text { font-weight: 800; font-size: clamp(1.4rem, 3vw, 2.2rem); line-height: 1.65; letter-spacing: -.01em; max-width: 24em; margin: 0 auto; text-wrap: balance; }
.dark-section .quote-text em { font-style: normal; color: var(--lime); }
.dark-section .quote-src { margin-top: 28px; font-size: .84rem; letter-spacing: .08em; color: #A49CCB; }

/* ===== 适合谁 ===== */
.split-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(32px, 5vw, 80px); align-items: start; }
.split-left h2 { font-weight: 900; font-size: clamp(2rem, 4vw, 3rem); line-height: 1.2; letter-spacing: -.02em; text-wrap: balance; }
.split-left h2 .hl { background-image: linear-gradient(var(--lime), var(--lime)); background-repeat: no-repeat; background-size: 100% .32em; background-position: 0 88%; }
.split-left p { margin-top: 16px; color: var(--ink-2); }
.split-right { background: var(--surface); border-radius: var(--radius-lg); padding: clamp(26px, 3.4vw, 44px); }
.split-right > ul { display: flex; flex-direction: column; gap: 16px; }
.split-right > ul > li, .not-for-list li { position: relative; padding-left: 36px; font-size: 1rem; color: var(--ink); line-height: 1.7; }
.split-right > ul > li::before {
  content: "✓"; position: absolute; left: 0; top: 1px; width: 24px; height: 24px; border-radius: 7px;
  background: var(--purple); color: var(--lime); font-size: .76rem; font-weight: 900; display: grid; place-items: center; line-height: 1;
}
.not-for { margin-top: 32px; padding-top: 28px; border-top: 1px solid var(--line); }
.not-for-label { display: block; font-size: .82rem; font-weight: 800; letter-spacing: .06em; color: #E0489A; margin-bottom: 16px; }
.not-for-list { display: flex; flex-direction: column; gap: 14px; }
.not-for-list li { color: var(--ink-2); font-size: .93rem; }
.not-for-list li::before {
  content: "×"; position: absolute; left: 0; top: 1px; width: 24px; height: 24px; border-radius: 7px;
  background: var(--pink-50); color: #E0489A; font-size: 1rem; font-weight: 800; display: grid; place-items: center; line-height: 1;
}

/* ===== 五个阶段 ===== */
.stage-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.stage-card { background: var(--surface); border-radius: var(--radius-lg); padding: 24px 20px; display: flex; flex-direction: column; gap: 10px; }
.stage-card .num-badge { width: 44px; height: 44px; font-size: 1.05rem; margin-bottom: 6px; }
.stage-card h3 { font-size: 1.15rem; font-weight: 900; }
.stage-card p { font-size: .9rem; color: var(--ink-2); line-height: 1.75; }
.stage-out { margin-top: auto; font-size: .82rem; font-weight: 700; color: var(--purple); background: var(--purple-50); border-radius: 10px; padding: 10px 12px; line-height: 1.6; }

/* 三个转折 */
.turns { margin-top: clamp(40px, 5vw, 56px); background: var(--deep); color: #fff; border-radius: 28px; padding: clamp(28px, 4vw, 48px); }
.turns-title { font-size: .84rem; font-weight: 800; letter-spacing: .08em; color: var(--lime); margin-bottom: 22px; }
.turns ol { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.turns li { border-top: 2px solid rgba(215, 245, 58, .5); padding-top: 18px; }
.turns li b { display: block; font-size: 1.08rem; font-weight: 800; line-height: 1.5; margin-bottom: 8px; color: #fff; }
.turns li p { font-size: .9rem; line-height: 1.8; color: #C4BDE6; }

/* 你会带走 */
.deliv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.deliv-card { background: var(--surface); border-radius: var(--radius); padding: 22px; display: flex; align-items: center; gap: 16px; }
.deliv-card::before { content: attr(data-num); width: 40px; height: 40px; flex: none; border-radius: 12px; background: var(--purple); color: var(--lime); font-weight: 800; font-size: .9rem; display: grid; place-items: center; }
.deliv-card p { font-size: 1rem; font-weight: 700; line-height: 1.55; color: var(--ink); }

/* ===== 学员故事 ===== */
.story-list { display: flex; flex-direction: column; gap: 20px; }
.story { background: var(--surface); border-radius: 28px; overflow: hidden; display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.6fr); }
.story-head { background: var(--purple); color: #fff; padding: clamp(26px, 3vw, 40px); display: flex; flex-direction: column; gap: 14px; }
.story-tag { align-self: flex-start; font-size: .95rem; font-weight: 800; background: var(--pink); color: #fff; padding: 7px 18px; border-radius: 6px; line-height: 1.4; }
.story-lead { font-size: 1rem; font-weight: 600; line-height: 1.75; color: #fff; }
.story-head h3 { font-size: clamp(1.3rem, 2.2vw, 1.7rem); font-weight: 900; line-height: 1.4; text-wrap: balance; }
.story-team { font-size: .9rem; line-height: 1.75; color: rgba(255, 255, 255, .82); }
.story-nums { display: flex; flex-direction: column; gap: 8px; margin-top: auto; }
.story-nums span { background: rgba(255, 255, 255, .1); border-radius: 12px; padding: 10px 14px; font-size: .86rem; line-height: 1.5; color: #fff; }
.story-nums b { color: var(--lime); font-size: 1.3rem; font-weight: 900; margin-right: 8px; }
.story-body { padding: clamp(26px, 3vw, 40px); display: flex; flex-direction: column; gap: 16px; }
.story-row { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 14px; }
.story-row dt { font-size: .84rem; font-weight: 800; color: var(--purple); padding-top: 3px; }
.story-row dd { font-size: .94rem; line-height: 1.85; color: var(--ink-2); }
.story-row--key dd { color: var(--ink); font-weight: 600; }
.story-foot { font-size: .86rem; color: var(--ink-3); margin-top: 18px; }

.story-teasers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.story-teaser { background: var(--surface); border-radius: var(--radius-lg); padding: 28px; text-decoration: none; display: flex; flex-direction: column; gap: 14px; transition: transform .2s, box-shadow .2s; }
.story-teaser:hover { transform: translateY(-3px); box-shadow: 0 28px 44px -28px rgba(60, 30, 180, .35); }
.story-teaser h3 { font-size: 1.18rem; font-weight: 900; line-height: 1.45; color: var(--ink); }
.story-teaser p { font-size: .92rem; color: var(--ink-2); line-height: 1.8; }
.story-teaser .text-link { margin-top: auto; }

/* ===== 导师 ===== */
.mentor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.mentor-card { background: var(--surface); border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column; }
.mentor-photo-wrap { position: relative; aspect-ratio: 4 / 4.2; background: var(--deep); overflow: hidden; }
.mentor-photo { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.chair-label { position: absolute; left: 16px; top: 16px; font-size: .78rem; font-weight: 800; color: var(--purple); background: var(--lime); padding: 5px 14px; border-radius: 6px; }
.mentor-body { padding: 26px 28px 30px; }
.mentor-body h3 { font-weight: 900; font-size: 1.55rem; letter-spacing: -.01em; line-height: 1.2; }
.mentor-body .role { display: block; margin: 6px 0 14px; font-size: .86rem; font-weight: 700; color: var(--purple); line-height: 1.55; text-wrap: balance; }
.mentor-body p { font-size: .93rem; color: var(--ink-2); line-height: 1.85; }
.mentor-note { margin-top: 20px; background: var(--surface); border-radius: var(--radius); padding: 20px 24px; display: flex; gap: 16px; align-items: center; font-size: .95rem; color: var(--ink-2); }
.mentor-note .num-badge { width: 40px; height: 40px; font-size: 1rem; }

.mentor-mini { background: var(--surface); border-radius: var(--radius-lg); overflow: hidden; }
.mentor-mini .mentor-photo-wrap { aspect-ratio: 4 / 3.2; }
.mentor-mini .mm-body { padding: 22px 24px 26px; }
.mentor-mini h3 { font-weight: 900; font-size: 1.25rem; margin-bottom: 8px; }
.mentor-mini p { font-size: .9rem; color: var(--ink-2); line-height: 1.8; }

/* ===== 春季营信息 ===== */
.apply-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 20px; align-items: start; }
.info-card { background: var(--surface); border-radius: 28px; padding: clamp(24px, 3vw, 36px); }
.info-card + .info-card { margin-top: 20px; }
.info-card h3 { font-size: 1.3rem; font-weight: 900; margin-bottom: 6px; }
.info-card > p { color: var(--ink-2); margin-bottom: 18px; }
.info-list { border-top: 1px solid var(--line); }
.info-list div { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.info-list dt { font-size: .86rem; font-weight: 800; color: var(--purple); padding-top: 2px; }
.info-list dd { font-size: .95rem; line-height: 1.8; color: var(--ink); }
.info-list dd small { display: block; color: var(--ink-3); font-size: .86rem; }
.steps-list { display: flex; flex-direction: column; gap: 14px; counter-reset: s; }
.steps-list li { display: flex; gap: 14px; align-items: flex-start; font-size: .95rem; line-height: 1.7; color: var(--ink); }
.steps-list li::before { counter-increment: s; content: counter(s); width: 32px; height: 32px; flex: none; border-radius: 10px; background: var(--purple); color: var(--lime); font-weight: 800; font-size: .88rem; display: grid; place-items: center; margin-top: -2px; }
.waitlist { margin-top: 18px; font-size: .88rem; color: var(--ink-3); }
.qr-box { margin-top: 20px; background: var(--purple); border-radius: 28px; padding: 26px; color: #fff; }
.qr-box > p { font-weight: 800; font-size: 1.05rem; line-height: 1.6; margin-bottom: 18px; }
.qr-box > p span { color: var(--lime); }
.qr-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.qr-item { background: #fff; border-radius: 18px; padding: 14px; text-align: center; }
.qr-item img { width: 100%; aspect-ratio: 1; object-fit: contain; border-radius: 8px; }
.qr-item span { display: block; margin-top: 10px; font-size: .86rem; font-weight: 800; color: var(--ink); }

/* ===== FAQ ===== */
#faq .container { display: grid; grid-template-columns: .8fr 1.4fr; gap: clamp(32px, 6vw, 88px); align-items: start; }
#faq .section-header { margin-bottom: 0; position: sticky; top: calc(var(--nav-h) + var(--announce-h) + 32px); }
.accordion-item { border-bottom: 1px solid var(--line-2); }
.accordion-item:first-child { border-top: 1px solid var(--line-2); }
.accordion-header { display: flex; align-items: center; gap: 16px; padding: 22px 0; cursor: pointer; }
.accordion-step { display: none; }
.accordion-header h4 { flex: 1; font-size: 1.05rem; font-weight: 800; line-height: 1.5; }
.accordion-body { display: none; padding: 0 52px 24px 0; }
.accordion-item.open .accordion-body { display: block; }
.accordion-body p { font-size: .96rem; color: var(--ink-2); line-height: 1.9; }
.curr-arrow, .accordion-arrow { flex: none; position: relative; width: 36px; height: 36px; border-radius: 50%; border: 2px solid var(--line-2); font-size: 0; color: var(--ink); transition: background .2s, border-color .2s; }
.curr-arrow::before, .curr-arrow::after, .accordion-arrow::before, .accordion-arrow::after { content: ""; position: absolute; left: 50%; top: 50%; background: currentColor; border-radius: 2px; transition: transform .25s; }
.curr-arrow::before, .accordion-arrow::before { width: 12px; height: 2px; transform: translate(-50%, -50%); }
.curr-arrow::after, .accordion-arrow::after { width: 2px; height: 12px; transform: translate(-50%, -50%); }
.curr-item.open .curr-arrow, .accordion-item.open .accordion-arrow { background: var(--purple); border-color: var(--purple); color: var(--lime); }
.curr-item.open .curr-arrow::after, .accordion-item.open .accordion-arrow::after { transform: translate(-50%, -50%) scaleY(0); }

/* ===== 价格卡（B-Lab） ===== */
.pricing-panel { max-width: 760px; margin: 0 auto; background: var(--surface); border-radius: 32px; padding: clamp(36px, 5vw, 64px); text-align: center; box-shadow: 0 44px 80px -48px rgba(60, 30, 180, .45); }
.price-date { font-size: .92rem; font-weight: 800; color: var(--purple); margin-bottom: 18px; }
.pricing-panel .price-tag { font-weight: 900; font-size: clamp(3rem, 7vw, 4.4rem); letter-spacing: -.035em; line-height: 1.1; color: var(--ink); }
.pricing-panel .price-unit { font-size: 1.05rem; font-weight: 600; color: var(--ink-3); margin-left: 8px; }
.price-includes { font-size: .93rem; color: var(--ink-2); line-height: 1.9; max-width: 52ch; margin: 22px auto 30px; }

/* ===== 收尾 CTA（海报那条紫底黄绿字） ===== */
.cta-section { background: var(--bg); color: var(--ink); text-align: center; padding: clamp(80px, 10vw, 128px) 24px; position: relative; }
.cta-section > * { position: relative; z-index: 1; }
.cta-section h2 { font-weight: 900; font-size: clamp(1.9rem, 4.2vw, 3.2rem); letter-spacing: -.02em; line-height: 1.25; margin-bottom: 14px; color: var(--ink); text-wrap: balance; }
.cta-section p { font-size: 1.06rem; color: var(--ink-2); margin-bottom: 34px; }
.cta-btn-group { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ===== 页脚 ===== */
footer { background: var(--deep); color: #B9B1DE; padding: 56px 0 36px; font-size: .85rem; }
.footer-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 32px; flex-wrap: wrap; padding-bottom: 36px; border-bottom: 1px solid rgba(255, 255, 255, .12); }
.footer-brand .logo-mark { color: var(--lime); font-size: 1.6rem; }
.footer-brand .fb-sub { display: block; margin-top: 6px; font-size: .82rem; color: #9C93C7; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links .fl-title { font-size: .72rem; font-weight: 800; letter-spacing: .14em; color: #fff; margin-bottom: 4px; }
.footer-links a { color: #B9B1DE; text-decoration: none; }
.footer-links a:hover { color: var(--lime); }
.footer-bottom { padding-top: 28px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; color: #9C93C7; }
footer .beian { color: #9C93C7; text-decoration: none; }
footer .beian:hover { color: #fff; text-decoration: underline; }


/* ===== Launch Camp：两种形式 ===== */
.format-card { background: var(--surface); border-radius: 28px; padding: clamp(24px, 3vw, 34px); box-shadow: 0 40px 80px -40px rgba(60, 30, 180, .4); position: relative; }
.format-card::before { content: ""; position: absolute; width: 96px; height: 96px; border-radius: 50%; background: var(--lime); right: -24px; top: -34px; z-index: -1; }
.format-kicker { font-size: .84rem; font-weight: 800; color: var(--purple); margin-bottom: 16px; }
.format-row { padding: 18px 0; border-top: 1px solid var(--line); }
.format-row h3 { font-size: 2.2rem; font-weight: 900; letter-spacing: -.02em; line-height: 1.1; margin: 10px 0 6px; }
.format-row p { font-size: .92rem; color: var(--ink-2); line-height: 1.75; }
.format-link { display: block; margin-top: 4px; padding: 14px 18px; border-radius: 16px; background: var(--purple); color: var(--lime); font-weight: 800; text-decoration: none; text-align: center; }
.format-link:hover { background: var(--purple-600); }
.stage-en { font-size: .72rem; font-weight: 800; letter-spacing: .1em; color: var(--ink-3); }

/* 导师怎么陪跑 */
.support-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.support-card { background: var(--surface); border-radius: var(--radius-lg); padding: 26px 24px; }
.support-card .num-badge { margin-bottom: 18px; }
.support-card h3 { font-size: 1.1rem; font-weight: 900; margin-bottom: 8px; }
.support-card p { font-size: .9rem; color: var(--ink-2); line-height: 1.8; }

/* 嘉宾导师与学术顾问 */
.guest-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.guest-card { background: var(--surface); border-radius: var(--radius); padding: 24px; }
.card-pill { display: inline-block; font-size: .74rem; font-weight: 800; color: var(--purple); background: var(--purple-50); padding: 3px 12px; border-radius: 6px; margin-bottom: 14px; }
.guest-card h4 { font-size: 1.04rem; font-weight: 800; line-height: 1.5; margin-bottom: 8px; }
.guest-card p { font-size: .9rem; color: var(--ink-2); line-height: 1.8; }

/* Demo Day 二维码弹窗 */
.qr-modal { border: 0; border-radius: 28px; padding: 30px 28px 28px; width: min(360px, calc(100% - 32px)); margin: auto; text-align: center; color: var(--ink); background: #fff; box-shadow: 0 40px 100px -30px rgba(23, 18, 58, .6); }
.qr-modal::backdrop { background: rgba(23, 18, 58, .55); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.qr-modal h3 { font-size: 1.3rem; font-weight: 900; margin-bottom: 8px; }
.qr-modal p { font-size: .9rem; color: var(--ink-2); line-height: 1.7; margin-bottom: 18px; }
.qr-modal img { width: 100%; border-radius: 14px; border: 6px solid var(--lime); }
.qr-close { position: absolute; right: 14px; top: 12px; width: 36px; height: 36px; border: 0; border-radius: 50%; background: var(--bg); color: var(--ink); font-size: 1.4rem; line-height: 1; cursor: pointer; }
.qr-close:hover { background: var(--purple-50); }

/* ==========================================================================
   B-Lab 专属
   ========================================================================== */
.goal-panel { max-width: 760px; background: var(--purple); color: #fff; border-radius: var(--radius-lg); padding: clamp(26px, 3.4vw, 40px); }
.goal-kicker { display: block; font-size: .76rem; font-weight: 800; letter-spacing: .14em; color: var(--lime); margin-bottom: 12px; }
.goal-text { font-weight: 800; font-size: clamp(1.15rem, 2vw, 1.5rem); line-height: 1.6; letter-spacing: -.01em; }

.method-panel { position: relative; background: var(--deep); color: #fff; padding: clamp(72px, 9vw, 128px) 0; overflow: hidden; }
.method-kicker { display: block; text-align: center; font-size: .78rem; font-weight: 800; letter-spacing: .18em; color: var(--lime); margin-bottom: 14px; }
.method-title { text-align: center; font-weight: 900; font-size: clamp(1.9rem, 4vw, 3rem); letter-spacing: -.02em; line-height: 1.2; margin-bottom: 14px; }
.method-sub { text-align: center; font-size: 1rem; color: #C4BDE6; max-width: 40em; margin: 0 auto clamp(44px, 6vw, 72px); line-height: 1.85; }
.method-block-label { text-align: center; font-size: .82rem; font-weight: 800; letter-spacing: .16em; color: #A49CCB; margin-bottom: 22px; }
.method-row5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; max-width: 960px; margin: 0 auto clamp(52px, 7vw, 84px); }
.method-chip5 { background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .14); border-radius: var(--radius); padding: 22px 12px; text-align: center; }
.mc-dot { width: 38px; height: 38px; border-radius: 11px; background: var(--lime); color: var(--purple); font-weight: 900; font-size: .95rem; display: grid; place-items: center; margin: 0 auto 12px; }
.mc-label { font-weight: 800; font-size: 1.02rem; }
.heptagon-wrap { max-width: 500px; margin: 0 auto clamp(52px, 7vw, 84px); }
.heptagon-svg { width: 100%; height: auto; display: block; overflow: visible; }
.hept-grid { fill: none; stroke: rgba(255, 255, 255, .12); stroke-width: 1; }
.hept-main { fill: rgba(215, 245, 58, .1); stroke: var(--lime); stroke-width: 1.6; }
.hept-spoke { stroke: rgba(255, 255, 255, .12); stroke-width: 1; }
.hept-dot { fill: var(--lime); stroke: var(--deep); stroke-width: 3; }
.hept-label { font-size: 15px; font-weight: 800; fill: #fff; font-family: var(--font); }
.hept-center-label { font-size: 15px; font-weight: 900; fill: var(--pink); font-family: var(--font); }
.formula-bar { max-width: 780px; margin: 0 auto; background: var(--purple); border-radius: var(--radius-lg); padding: 18px 32px; text-align: center; }
.fb-text { font-weight: 800; font-size: clamp(.92rem, 1.8vw, 1.1rem); line-height: 1.8; }
.fb-text b { color: var(--lime); font-weight: 900; }
.fb-x { color: var(--pink); margin: 0 8px; font-weight: 600; }

.blab-week-list { display: flex; flex-direction: column; gap: 10px; }
.blab-week-row { background: var(--surface); border-radius: var(--radius); padding: 20px 26px; display: grid; gap: 4px; }
.blab-week-row--case { background: var(--purple-50); }
.blab-week-row--finale { background: var(--purple); }
.bwr-title { font-size: 1.02rem; line-height: 1.6; color: var(--ink); }
.bwr-tag { display: inline-block; min-width: 2.4em; margin-right: 10px; font-weight: 900; color: var(--purple); }
.bwr-name { font-weight: 800; }
.bwr-sub { color: var(--ink-2); font-weight: 500; }
.bwr-desc { font-size: .88rem; color: var(--ink-3); line-height: 1.75; padding-left: calc(2.4em + 10px); }
.blab-week-row--finale .bwr-title, .blab-week-row--finale .bwr-name { color: #fff; }
.blab-week-row--finale .bwr-tag { color: var(--lime); }
.blab-week-row--finale .bwr-sub, .blab-week-row--finale .bwr-desc { color: rgba(255, 255, 255, .8); }

.case-card { background: var(--surface); border-radius: var(--radius-lg); padding: clamp(24px, 2.8vw, 34px); }
.case-card h4 { font-weight: 900; font-size: 1.2rem; letter-spacing: -.01em; margin-bottom: 12px; }
.case-hook { font-size: .9rem; color: var(--ink-3); line-height: 1.8; margin-bottom: 14px; }
.case-question { font-size: 1.02rem; font-weight: 800; color: var(--ink); line-height: 1.65; margin-bottom: 14px; }
.case-tags { display: inline-block; font-size: .78rem; font-weight: 800; color: var(--purple); background: var(--purple-50); padding: 6px 14px; border-radius: 6px; line-height: 1.6; }
.coming-soon-strip { margin-top: 24px; text-align: center; padding: 24px; border: 2px dashed var(--line-2); border-radius: var(--radius); }
.cs-label { display: block; font-size: .76rem; font-weight: 800; letter-spacing: .14em; color: var(--purple); margin-bottom: 8px; }
.cs-companies { font-size: .98rem; font-weight: 700; color: var(--ink-2); }

.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.feature-item { background: var(--surface); border-radius: var(--radius); padding: 26px 28px; }
.feature-item:last-child:nth-child(odd) { grid-column: 1 / -1; }
.feature-item h4 { font-size: 1.05rem; font-weight: 800; line-height: 1.5; margin-bottom: 8px; }
.feature-item p { font-size: .92rem; color: var(--ink-2); line-height: 1.85; }
.goal-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.goal-card { background: var(--purple); border-radius: var(--radius-lg); padding: 28px; color: #fff; }
.goal-card h4 { font-size: 1.12rem; font-weight: 900; margin-bottom: 10px; color: var(--lime); }
.goal-card p { font-size: .92rem; color: rgba(255, 255, 255, .86); line-height: 1.85; }
.parent-value { margin-top: 28px; background: var(--purple-50); border-radius: var(--radius); padding: 22px 24px; }
.pv-label { display: block; font-size: .8rem; font-weight: 800; letter-spacing: .1em; color: var(--purple); margin-bottom: 8px; }
.parent-value p { font-size: .92rem; color: var(--ink-2); line-height: 1.85; }

/* ==========================================================================
   Launch Camp 页 v4：首屏流程条 / 价值 / 课程内容 / 陪跑 / 产出 / 导师团队
   ========================================================================== */
.hero-facts { display: flex; flex-wrap: wrap; gap: 10px 26px; margin-bottom: 32px; }
.hero-facts li { display: flex; align-items: center; gap: 10px; font-size: .98rem; font-weight: 700; color: var(--ink); }
.hero-facts li::before { content: ""; width: 10px; height: 10px; border-radius: 3px; background: var(--lime); box-shadow: 0 0 0 2px var(--purple); flex: none; }

.flow-wrap { margin-top: clamp(44px, 5vw, 72px); background: var(--surface); border-radius: 28px; padding: clamp(26px, 3.4vw, 40px); box-shadow: 0 30px 60px -44px rgba(60, 30, 180, .35); }
.flow-head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin-bottom: 30px; }
.flow-title { font-size: 1.2rem; font-weight: 900; color: var(--ink); }
.flow-sub { font-size: .92rem; color: var(--ink-3); }
.flow-line { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 18px; position: relative; }
.flow-line::before { content: ""; position: absolute; left: 22px; right: calc((100% - 90px) / 6 - 22px); top: 21px; height: 2px; background: linear-gradient(90deg, var(--purple), var(--purple-100)); }
.flow-line li { position: relative; display: flex; flex-direction: column; align-items: flex-start; }
.flow-no { width: 44px; height: 44px; border-radius: 50%; background: var(--purple); color: var(--lime); font-size: .9rem; font-weight: 800; display: grid; place-items: center; box-shadow: 0 0 0 6px var(--surface); margin-bottom: 16px; }
.flow-line li:last-child .flow-no { background: var(--lime); color: var(--purple); }
.flow-en { font-size: .7rem; font-weight: 800; letter-spacing: .08em; color: var(--ink-3); white-space: nowrap; }
.flow-line b { font-size: 1.08rem; font-weight: 900; color: var(--ink); line-height: 1.4; margin: 4px 0 12px; }
.flow-skills { display: flex; flex-wrap: wrap; gap: 6px; }
.flow-skills span { font-size: .78rem; font-weight: 700; color: var(--purple); background: var(--purple-50); border-radius: 6px; padding: 3px 10px; line-height: 1.6; }

.adv-top { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.adv-top .num-badge { margin-bottom: 0; width: auto; height: auto; background: none; border-radius: 0; color: var(--purple); font-size: 1.9rem; font-weight: 900; line-height: 1; letter-spacing: -.03em; }
.adv-kicker { font-size: .84rem; font-weight: 800; color: var(--ink-3); padding-left: 14px; border-left: 2px solid var(--purple-100); line-height: 1.3; }

.compare { margin-top: clamp(36px, 4vw, 52px); background: var(--surface); border-radius: var(--radius-lg); padding: clamp(22px, 3vw, 36px); }
.compare-title { font-size: 1.15rem; font-weight: 900; margin-bottom: 18px; }
.compare-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.compare table { width: 100%; min-width: 720px; border-collapse: separate; border-spacing: 0; font-size: .92rem; line-height: 1.7; }
.compare th, .compare td { text-align: left; vertical-align: top; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.compare thead th { font-size: .86rem; font-weight: 800; color: var(--ink-3); border-bottom: 2px solid var(--line-2); }
.compare tbody th { font-weight: 800; color: var(--ink); white-space: nowrap; width: 116px; }
.compare td { color: var(--ink-2); }
.compare tr:last-child th, .compare tr:last-child td { border-bottom: 0; }
.compare .is-us { background: var(--purple-50); color: var(--ink); font-weight: 700; }
.compare thead .is-us { background: var(--purple); color: var(--lime); border-radius: 14px 14px 0 0; border-bottom-color: var(--purple); }
.compare tbody tr:last-child .is-us { border-radius: 0 0 14px 14px; }

.req-list { margin-top: 28px; border-top: 1px solid var(--line-2); }
.req-list div { display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line-2); }
.req-list dt { font-size: .84rem; font-weight: 800; color: var(--purple); padding-top: 2px; }
.req-list dd { font-size: .93rem; color: var(--ink-2); line-height: 1.75; }
.ifyou-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.ifyou { background: var(--bg); border-radius: var(--radius); padding: 20px; }
.ifyou span { font-size: .76rem; font-weight: 800; color: var(--purple); letter-spacing: .04em; }
.ifyou h4 { font-size: 1.02rem; font-weight: 800; line-height: 1.5; margin: 6px 0 8px; }
.ifyou p { font-size: .88rem; color: var(--ink-2); line-height: 1.8; }

.course-pre { display: flex; align-items: center; gap: 16px; background: var(--surface); border-radius: var(--radius); padding: 16px 22px; margin-bottom: 14px; }
.course-pre p { font-size: .94rem; color: var(--ink-2); line-height: 1.7; }
.course-pre p b { color: var(--ink); margin-right: 10px; }
.course-list { display: flex; flex-direction: column; gap: 14px; }
.course-stage { background: var(--surface); border-radius: 28px; padding: clamp(24px, 3.4vw, 40px); display: grid; grid-template-columns: minmax(0, 320px) minmax(0, 1fr); gap: clamp(20px, 4vw, 56px); align-items: center; }
.cs-num { display: block; font-size: clamp(3.4rem, 6vw, 4.6rem); font-weight: 900; line-height: .9; letter-spacing: -.05em; color: var(--purple-100); margin-bottom: 14px; }
.cs-head h3 { font-size: 1.5rem; font-weight: 900; margin: 6px 0 8px; }
.cs-head p { font-size: .93rem; color: var(--ink-2); line-height: 1.8; }
.cs-lessons { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.cs-lessons li { background: var(--bg); border-radius: 18px; padding: 20px 22px; display: flex; flex-direction: column; gap: 8px; }
.ls-no { font-size: .76rem; font-weight: 800; letter-spacing: .04em; color: var(--purple); }
.cs-lessons p { font-size: 1rem; font-weight: 800; color: var(--ink); line-height: 1.6; flex: 1; }
.ls-out { font-size: .84rem; font-weight: 600; color: var(--ink-2); line-height: 1.6; padding-top: 10px; border-top: 1px dashed var(--line-2); }
.ls-out::before { content: "产出 → "; font-weight: 800; color: var(--purple); }
.cs-lessons li.ls-idea { background: var(--purple-50, #F1EDFF); box-shadow: inset 0 0 0 1.5px var(--purple-100, #DCD3FF); }
.course-note--idea { background: var(--surface); border-radius: var(--radius); padding: 16px 22px; color: var(--ink-2); line-height: 1.75; }
.course-note--idea b { color: var(--ink); }
.course-pre .ls-out { display: inline; padding: 0 0 0 8px; border: 0; color: var(--ink-3); }
/* 课程阶段跳色：白 → 粉 → 深紫 → 浅黄绿 → 紫 */
.course-stage:nth-child(2) { background: var(--pink-50); }
.course-stage:nth-child(2) .cs-num { color: var(--pink); }
.course-stage:nth-child(2) .cs-lessons li { background: var(--surface); }
.course-stage:nth-child(2) .ls-no, .course-stage:nth-child(2) .ls-out::before { color: #E0489A; }
.course-stage:nth-child(3) { background: var(--deep); color: #fff; }
.course-stage:nth-child(3) .cs-num { color: var(--lime); }
.course-stage:nth-child(3) .stage-en, .course-stage:nth-child(3) .cs-head p { color: #B9B1DE; }
.course-stage:nth-child(3) .cs-lessons li { background: rgba(255, 255, 255, .07); }
.course-stage:nth-child(3) .cs-lessons p { color: #fff; }
.course-stage:nth-child(3) .ls-no, .course-stage:nth-child(3) .ls-out::before { color: var(--lime); }
.course-stage:nth-child(3) .ls-out { color: #C4BDE6; border-top-color: rgba(255, 255, 255, .16); }
.course-stage:nth-child(4) { background: #F3FBCB; }
.course-stage:nth-child(4) .cs-num { color: var(--purple); }
.course-stage:nth-child(4) .cs-lessons li { background: var(--surface); }
.course-stage--final { background: var(--purple); color: #fff; }
.course-stage--final .cs-num { color: var(--lime); }
.course-stage--final .stage-en { color: var(--purple-100); }
.course-stage--final .cs-head p { color: var(--purple-100); }
.course-stage--final .cs-lessons li { background: rgba(255, 255, 255, .1); }
.course-stage--final .ls-no { color: var(--lime); }
.course-stage--final .cs-lessons p { color: #fff; }
.course-stage--final .ls-out { color: var(--purple-100); border-top-color: rgba(255, 255, 255, .2); }
.course-stage--final .ls-out::before { color: var(--lime); }
.course-note { margin-top: 18px; font-size: .9rem; color: var(--ink-3); }

.coach-line { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; position: relative; }
.coach-line::before { content: ""; position: absolute; left: 24px; right: 24px; top: 24px; height: 2px; background: var(--purple-100); }
.coach-line li { position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.coach-no { width: 48px; height: 48px; border-radius: 50%; background: var(--purple); color: var(--lime); font-weight: 800; font-size: 1.05rem; display: grid; place-items: center; box-shadow: 0 0 0 6px var(--bg-2); margin-bottom: 8px; }
.coach-when { font-size: 1.02rem; font-weight: 900; color: var(--ink); }
.coach-line p { font-size: .9rem; color: var(--ink-2); line-height: 1.7; flex: 1; }
.coach-who { display: inline-block; font-size: .76rem; font-weight: 800; border-radius: 6px; padding: 4px 12px; line-height: 1.5; }
.coach-who--biz { background: var(--purple); color: #fff; }
.coach-who--design { background: var(--pink); color: #fff; }
.coach-who--eng { background: var(--lime); color: var(--purple); }
.relay-grid { margin-top: clamp(36px, 4vw, 52px); display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.relay-card { background: var(--surface); border-radius: var(--radius); padding: 20px 22px; display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.relay-card p { font-size: .93rem; color: var(--ink); font-weight: 700; line-height: 1.65; }

.output-grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 20px; align-items: stretch; }
.output-card { background: var(--purple); color: #fff; border-radius: var(--radius-lg); padding: clamp(26px, 3.4vw, 40px); }
.output-card h3 { font-size: 1.25rem; font-weight: 900; color: var(--lime); margin-bottom: 18px; }
.output-card li { position: relative; padding: 12px 0 12px 30px; border-top: 1px solid rgba(255, 255, 255, .16); font-size: 1rem; font-weight: 600; line-height: 1.6; }
.output-card li::before { content: ""; position: absolute; left: 2px; top: 20px; width: 12px; height: 12px; border-radius: 4px; background: var(--lime); }
.comp-list { display: flex; flex-direction: column; gap: 16px; }
.comp-card { background: var(--surface); border-radius: var(--radius-lg); padding: clamp(22px, 3vw, 32px); flex: 1; }
.comp-card h3 { font-size: 1.2rem; font-weight: 900; color: var(--purple); line-height: 1.4; margin-bottom: 10px; }
.comp-card p { font-size: .93rem; color: var(--ink-2); line-height: 1.85; }
.comp-use { margin-top: 12px; color: var(--ink) !important; font-weight: 700; padding-left: 26px; position: relative; }
.comp-use::before { content: "→"; position: absolute; left: 0; color: var(--purple); font-weight: 800; }
.comp-note { font-size: .84rem; color: var(--ink-3); }

.turns--lead { margin: 0 0 clamp(32px, 4vw, 48px); }

.lens-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; background: var(--surface); border-radius: var(--radius-lg); padding: 20px; }
.lens { text-align: center; padding: 4px 6px 8px; }
.lens-pill { display: block; background: var(--purple); color: #fff; font-weight: 800; font-size: 1rem; border-radius: 6px; padding: 9px 12px; margin-bottom: 14px; }
.lens p { font-size: .88rem; font-weight: 600; color: var(--ink); line-height: 1.7; }
.team-grid { margin-top: 20px; display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 20px; }
.team-card { background: var(--surface); border-radius: var(--radius-lg); padding: clamp(22px, 3vw, 32px); }
.team-kicker { font-size: .9rem; font-weight: 800; color: var(--purple); text-align: center; margin-bottom: 22px; }
.founders { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.founder img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; object-position: center top; border-radius: var(--radius); background: var(--deep); margin-bottom: 14px; }
.founder h3 { font-size: 1.3rem; font-weight: 900; color: var(--purple); line-height: 1.2; }
.founder-tag { display: inline-block; margin: 8px 0 10px; font-size: .76rem; font-weight: 800; color: var(--purple); background: var(--lime); border-radius: 6px; padding: 3px 12px; line-height: 1.5; }
.founder li { font-size: .84rem; color: var(--ink-2); line-height: 1.65; padding: 3px 0; }
.team-card--ta { display: flex; flex-direction: column; }
.team-card--ta .team-kicker { text-align: left; }
.ta-big { font-size: clamp(1.7rem, 2.8vw, 2.3rem); font-weight: 900; color: var(--purple); line-height: 1.25; letter-spacing: -.01em; }
.ta-sub { margin-top: 10px; font-size: .95rem; color: var(--ink-3); }
.ta-list { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 12px; }
.ta-list li { position: relative; padding-left: 22px; font-size: .93rem; color: var(--ink); line-height: 1.75; }
.ta-list li::before { content: ""; position: absolute; left: 0; top: .62em; width: 8px; height: 8px; border-radius: 2px; background: var(--purple); }
.lens-bar { margin-top: 20px; background: var(--deep); color: var(--lime); border-radius: var(--radius-lg); padding: 24px clamp(22px, 3vw, 36px); font-size: clamp(1rem, 1.6vw, 1.15rem); font-weight: 800; line-height: 1.7; }

/* ==========================================================================
   预约咨询：右侧悬浮入口 + 抽屉表单（所有页面共用，由 main.js 注入）
   ========================================================================== */
.chat-trigger {
  position: fixed; right: 24px; bottom: 28px; z-index: 90; display: flex; align-items: center; gap: 12px;
  background: var(--deep); color: #fff; border: 0; border-radius: 999px; padding: 8px 20px 8px 8px; cursor: pointer;
  font: inherit; text-align: left; box-shadow: 0 18px 40px -14px rgba(26, 16, 70, .55);
  transform: translateY(120px); opacity: 0; transition: transform .35s ease, opacity .35s ease;
}
.chat-trigger.show { transform: none; opacity: 1; }
.chat-trigger:hover { background: var(--purple-600); }
.chat-faces { display: flex; }
.chat-faces img { width: 38px; height: 38px; border-radius: 50%; object-fit: cover; object-position: center top; border: 2px solid var(--deep); background: var(--purple); }
.chat-faces img + img { margin-left: -12px; }
.chat-trigger b { display: block; font-size: .95rem; font-weight: 800; line-height: 1.3; }
.chat-trigger small { display: block; font-size: .76rem; color: #B9B1DE; line-height: 1.4; }
.chat-dot { position: absolute; left: 36px; top: 6px; width: 10px; height: 10px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 2px var(--deep); }
.chat-bubble {
  position: fixed; right: 24px; bottom: 96px; z-index: 90; max-width: 260px; background: var(--surface); color: var(--ink);
  border-radius: 16px 16px 4px 16px; padding: 12px 16px; font-size: .88rem; font-weight: 600; line-height: 1.6;
  box-shadow: 0 18px 40px -16px rgba(60, 30, 180, .45); opacity: 0; transform: translateY(8px); pointer-events: none; transition: all .3s;
}
.chat-bubble.show { opacity: 1; transform: none; pointer-events: auto; cursor: pointer; }

.chat-scrim { position: fixed; inset: 0; z-index: 110; background: rgba(23, 18, 58, .4); opacity: 0; pointer-events: none; transition: opacity .25s; }
.chat-panel {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 111; width: min(440px, 100%); background: var(--bg); overflow-y: auto;
  transform: translateX(100%); transition: transform .3s ease; display: flex; flex-direction: column;
}
.chat-open .chat-scrim { opacity: 1; pointer-events: auto; }
.chat-open .chat-panel { transform: none; }
.chat-head { background: var(--deep); color: #fff; padding: 28px 28px 24px; position: relative; }
.chat-close { position: absolute; right: 16px; top: 14px; width: 36px; height: 36px; border-radius: 10px; border: 0; background: rgba(255, 255, 255, .1); color: #fff; font-size: 1.3rem; cursor: pointer; }
.chat-head .chat-faces img { width: 46px; height: 46px; }
.chat-head h3 { margin-top: 16px; font-size: 1.45rem; font-weight: 900; line-height: 1.35; }
.chat-head p { margin-top: 8px; font-size: .9rem; color: #C4BDE6; line-height: 1.7; }
.chat-promise { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 14px; font-size: .82rem; font-weight: 700; color: var(--lime); }
.chat-promise span::before { content: "✓ "; }
.chat-body { padding: 24px 28px 32px; flex: 1; }
.chat-step-label { font-size: .78rem; font-weight: 800; letter-spacing: .06em; color: var(--purple); margin-bottom: 10px; }
.chat-q { font-size: 1.05rem; font-weight: 800; margin-bottom: 12px; }
.chat-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chat-chips label { position: relative; }
.chat-chips input { position: absolute; opacity: 0; pointer-events: none; }
.chat-chips span { display: inline-block; padding: 9px 14px; border-radius: 10px; border: 1.5px solid var(--line-2); background: var(--surface); font-size: .9rem; font-weight: 700; color: var(--ink-2); cursor: pointer; }
.chat-chips input:checked + span { border-color: var(--purple); background: var(--purple-50); color: var(--purple); }
.chat-chips input:focus-visible + span { outline: 2px solid var(--purple); outline-offset: 2px; }
.chat-field { margin-top: 18px; }
.chat-field label { display: block; font-size: .9rem; font-weight: 800; margin-bottom: 8px; }
.chat-field input { width: 100%; font: inherit; font-size: 1rem; padding: 12px 14px; border-radius: 12px; border: 1.5px solid var(--line-2); background: var(--surface); color: var(--ink); }
.chat-field input:focus { outline: none; border-color: var(--purple); }
.chat-more[hidden] { display: none; }
.chat-err { margin-top: 12px; color: #D43C86; font-size: .84rem; font-weight: 700; }
.chat-submit { width: 100%; justify-content: center; margin-top: 22px; }
.chat-note { margin-top: 12px; font-size: .8rem; color: var(--ink-3); line-height: 1.7; text-align: center; }
.chat-proof { margin-top: 26px; padding-top: 20px; border-top: 1px solid var(--line); font-size: .86rem; color: var(--ink-2); line-height: 1.75; }
.chat-proof a { color: var(--purple); font-weight: 800; text-decoration: none; }
.chat-step[hidden] { display: none; }
.chat-field textarea { width: 100%; font: inherit; font-size: 1rem; padding: 12px 14px; border-radius: 12px; border: 1.5px solid var(--line-2); background: var(--surface); color: var(--ink); resize: vertical; }
.chat-field textarea:focus { outline: none; border-color: var(--purple); }
.chat-nav { display: flex; gap: 10px; margin-top: 22px; }
.chat-nav .cta-button { flex: 1; justify-content: center; }
.chat-nav #chat-back { flex: 0 0 auto; }
.chat-nav .cta-button[disabled] { opacity: .45; cursor: not-allowed; }
.slot-days { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 6px; margin-bottom: 14px; }
.slot-days button, .slot-grid button { font: inherit; cursor: pointer; border: 1.5px solid var(--line-2); background: var(--surface); color: var(--ink-2); border-radius: 12px; }
.slot-days button { flex: none; padding: 8px 14px; text-align: center; line-height: 1.35; }
.slot-days b { display: block; font-size: .92rem; }
.slot-days small { font-size: .76rem; color: var(--ink-3); }
.slot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.slot-grid button { padding: 10px 0; font-weight: 800; font-size: .95rem; }
.slot-days button.on, .slot-grid button.on { border-color: var(--purple); background: var(--purple); color: #fff; }
.slot-days button.on small { color: var(--purple-100); }
.chat-when { font-size: 1.15rem; font-weight: 900; color: var(--purple) !important; margin-bottom: 8px; }
.chat-meet { display: block; margin-top: 12px; padding: 12px 14px; border-radius: 12px; background: var(--purple-50); color: var(--purple); font-weight: 800; word-break: break-all; text-decoration: none; }
.chat-done h4 { font-size: 1.3rem; font-weight: 900; line-height: 1.4; margin-bottom: 10px; }
.chat-done p { color: var(--ink-2); font-size: .95rem; line-height: 1.8; }
.chat-done .cta-button { margin-top: 20px; }

/* 手机：底部固定两个按钮，主按钮报名、次按钮咨询 */
.m-bar { display: none; }
@media (max-width: 640px) {
  .chat-trigger, .chat-bubble { display: none; }
  .m-bar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 90; display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom)); background: rgba(246, 243, 255, .96); border-top: 1px solid var(--line);
    -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); transform: translateY(110%); transition: transform .3s;
  }
  .m-bar.show { transform: none; }
  .m-bar .cta-button { width: 100%; justify-content: center; padding: 12px 10px; font-size: .92rem; }
  body.has-mbar footer { padding-bottom: 96px; }
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1100px) {
  .stage-grid { grid-template-columns: repeat(3, 1fr); }
  .flow-line { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 32px; }
  .flow-line::before { display: none; }
  .coach-line { grid-template-columns: repeat(3, 1fr); row-gap: 32px; }
  .coach-line::before { display: none; }
  .lens-grid { grid-template-columns: repeat(3, 1fr); }
  .team-grid { grid-template-columns: 1fr; }
  .support-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-path, .format-card { max-width: 560px; margin: 24px 0 8px; }
  .guest-grid { grid-template-columns: 1fr 1fr; }
  .chair-gradient-grid, .mentor-grid, .goal-cards, .story-teasers { grid-template-columns: 1fr 1fr; }
  .deliv-grid { grid-template-columns: 1fr 1fr; }
  .method-row5 { grid-template-columns: repeat(3, 1fr); }
  .apply-grid { grid-template-columns: 1fr; }
  .story { grid-template-columns: 1fr; }
  .turns ol { grid-template-columns: 1fr; gap: 20px; }
  .course-stage { grid-template-columns: 1fr; }
  .output-grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav-links { position: absolute; top: var(--nav-h); left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 2px; background: var(--bg); border-bottom: 1px solid var(--line); padding: 12px 24px 24px; }
  nav.open .nav-links { display: flex; }
  .nav-links > a, .nav-dropdown-trigger { padding: 14px 12px; font-size: 1rem; border-radius: 12px; }
  .nav-dropdown-trigger::after, .nav-dropdown::before { display: none; }
  .nav-dropdown-menu { position: static; transform: none; opacity: 1; visibility: visible; min-width: 0; box-shadow: none; border: 0; background: transparent; padding: 0 0 0 12px; }
  .nav-dropdown:hover .nav-dropdown-menu { transform: none; }
  .nav-links > a.nav-cta { margin: 12px 0 0; padding: 14px 22px; }
  .split-section, #faq .container { grid-template-columns: 1fr; }
  #faq .section-header { position: static; margin-bottom: 32px; }
  .feature-list { grid-template-columns: 1fr; }
  .growth { grid-template-columns: 1fr; gap: 10px; }
  .g-step { flex-direction: row; align-items: stretch; }
  .g-card { min-height: 0 !important; flex: 1; }
  .g-riser { order: -1; height: auto !important; width: 56px; margin: 0 10px 0 0; align-items: center; justify-content: center; padding: 0; font-size: 1.1rem; }
  .growth-axis { display: none; }
  .stage-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  body { font-size: 15px; }
  .container, .nav-inner { padding: 0 18px; }
  .logo-sub { display: none; }
  :root { --announce-h: 64px; }
  .announce { font-size: .82rem; padding: 10px 16px; }
  .announce a { display: inline-block; margin: 2px 0 0 6px; }
  .chair-gradient-grid, .mentor-grid, .goal-cards, .deliv-grid, .story-teasers, .stage-grid { grid-template-columns: 1fr; }
  .hero-path::before { width: 80px; height: 80px; right: -10px; top: -30px; }
  .support-grid, .guest-grid { grid-template-columns: 1fr; }
  .g-riser { width: 44px; }
  .hero-strip .hero-tags .tag { flex-basis: 100%; border-right: 0; border-bottom: 1px solid var(--line); padding: 16px 20px; }
  .hero-strip .hero-tags .tag:last-child { border-bottom: 0; }
  .hero-stats > div { padding: 0 14px; }
  .hero-cta-group .cta-button, .cta-btn-group .cta-button { width: 100%; }
  .method-row5 { grid-template-columns: 1fr 1fr; }
  .formula-bar { border-radius: var(--radius); padding: 16px 18px; }
  .hept-label { font-size: 13px; }
  .bwr-desc { padding-left: 0; }
  .story-row, .info-list div { grid-template-columns: 1fr; gap: 2px; }
  .flow-line { grid-template-columns: 1fr; row-gap: 0; }
  .flow-line li:not(:last-child)::after { content: ""; position: absolute; left: 21px; top: 44px; bottom: 0; width: 2px; background: var(--purple-100); }
  .flow-line li:last-child { padding-bottom: 0; }
  .flow-line li { display: grid; grid-template-columns: 44px minmax(0, 1fr); column-gap: 16px; padding-bottom: 22px; }
  .flow-line li > :not(.flow-no) { grid-column: 2; }
  .flow-no { grid-row: span 3; margin-bottom: 0; }
  .flow-line b { margin: 2px 0 8px; }
  .hero-facts { flex-direction: column; gap: 10px; }
  .ifyou-grid, .relay-grid { grid-template-columns: 1fr; }
  .course-pre { flex-direction: column; align-items: flex-start; gap: 10px; }
  .coach-line { grid-template-columns: 1fr; row-gap: 0; }
  .coach-line li { display: grid; grid-template-columns: 48px minmax(0, 1fr); column-gap: 16px; row-gap: 4px; padding-bottom: 24px; }
  .coach-line li > :not(.coach-no) { grid-column: 2; }
  .coach-line li .coach-who { justify-self: start; }
  .coach-no { grid-row: span 3; margin-bottom: 0; }
  .lens-grid { grid-template-columns: 1fr 1fr; }
  .lens:last-child { grid-column: span 2; }
  .founders { grid-template-columns: 1fr; gap: 28px; }
  .founder { display: grid; grid-template-columns: 96px minmax(0, 1fr); column-gap: 16px; }
  .founder img { grid-row: span 3; margin-bottom: 0; }
  .accordion-body { padding-right: 0; }
  .footer-top, .footer-bottom { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { transition-duration: .01ms !important; }
}

/* 创业实战营的价值：三层 */
.value-list { display: grid; gap: 18px; }
.value-row { background: var(--surface); border-radius: 28px; padding: clamp(24px, 3.4vw, 40px); display: grid; grid-template-columns: minmax(0, 300px) minmax(0, 1fr); gap: clamp(20px, 4vw, 56px); align-items: start; }
.vr-num { display: block; font-size: 2.6rem; font-weight: 900; line-height: 1; letter-spacing: -.03em; color: var(--purple); }
.vr-kicker { display: block; margin-top: 14px; font-size: .8rem; font-weight: 800; letter-spacing: .08em; color: var(--ink-3); }
.vr-head h3 { font-size: 1.4rem; font-weight: 900; line-height: 1.45; margin: 6px 0 12px; }
.vr-head p { font-size: .95rem; color: var(--ink-2); line-height: 1.85; }
.vr-items { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.vr-item { background: var(--bg); border-radius: 18px; padding: 18px 20px; }
.vr-item h4 { font-size: 1rem; font-weight: 800; line-height: 1.5; margin-bottom: 6px; }
.vr-item p { font-size: .9rem; color: var(--ink-2); line-height: 1.75; }
.vr-item .vr-school { color: var(--ink-3); font-size: .86rem; margin-bottom: 8px; }
.vr-item .vr-case { color: var(--ink); }
.vr-item .vr-case::before { content: "营里 → "; font-weight: 800; color: var(--purple); }
.value-row:nth-child(2) { background: var(--pink-50); }
.value-row:nth-child(2) .vr-num { color: var(--pink); }
.value-row:nth-child(2) .vr-item { background: var(--surface); }
.value-row:nth-child(3) .vr-num { color: var(--deep); }
@media (max-width: 860px) { .value-row { grid-template-columns: 1fr; } }