/* =========================================================================
   职场外脑家族 · 产品站 共享样式
   设计语言：专业、克制、轻盈、可扩展
   品牌色：深蓝灰 #1A2530 / 科技蓝 #2E86AB / 暖金 #C9966B
   ========================================================================= */

/* ---------- 设计令牌 ---------- */
:root {
  /* 品牌色 */
  --brand-500: #1A2530;      /* 主色：深蓝灰 */
  --brand-900: #0F1720;      /* 更深，用于深色区 */
  --brand-accent: #2E86AB;   /* 强调：科技蓝 */
  --brand-accent-700: #236B8A;
  --brand-gold: #C9966B;     /* 暖金（职场外脑） */
  --brand-gold-700: #B17E52;

  /* 中性色 */
  --bg-100: #F7F8FA;         /* 页面背景 */
  --bg-white: #FFFFFF;       /* 卡片背景 */
  --text-900: #11181F;
  --text-800: #1A2530;
  --text-600: #5B6675;       /* 正文 */
  --text-400: #8A95A3;       /* 辅助 */
  --border: #EAECEF;
  --border-strong: #DDE1E6;

  /* 产品签名色 */
  --c-scribia: #1A2530;      /* 写 · 墨 */
  --c-scribia-soft: #F0F1F3;
  --c-temporia: #2E86AB;     /* 排 · 蓝 */
  --c-temporia-soft: #E8F4FD;
  --c-workbrain: #C9966B;    /* 忆 · 金 */
  --c-workbrain-soft: #FDF6EC;

  /* 圆角 / 阴影 */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --shadow-sm: 0 1px 2px rgba(16,24,40,.05);
  --shadow-md: 0 10px 30px rgba(16,24,40,.08);
  --shadow-lg: 0 24px 60px rgba(16,24,40,.12);

  /* 布局 */
  --maxw: 1180px;
  --nav-h: 66px;

  /* 字体 */
  --font-cn: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-en: "Inter", "Poppins", "PingFang SC", system-ui, -apple-system, sans-serif;

  --ease: cubic-bezier(.4, 0, .2, 1);
}

/* ---------- 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-cn);
  color: var(--text-800);
  background: var(--bg-100);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.2; font-weight: 700; letter-spacing: -.01em; color: var(--text-900); }
p { margin: 0; }
.en { font-family: var(--font-en); }

/* ---------- 布局工具 ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section--tight { padding: 72px 0; }
.center { text-align: center; }

/* ---------- 文案工具 ---------- */
.eyebrow {
  display: inline-flex; flex-direction: column; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--brand-accent);
  font-family: var(--font-en);
}
.eyebrow::after {
  content: ""; width: 28px; height: 3px; border-radius: 2px;
  background: var(--brand-accent);
}
.eyebrow--gold { color: var(--brand-gold-700); }
.eyebrow--gold::after { background: var(--brand-gold); }
.eyebrow--ink { color: var(--text-600); }
.eyebrow--ink::after { background: var(--text-400); }
.head--left .eyebrow { align-items: flex-start; }

.h-section { font-size: clamp(26px, 3.4vw, 40px); margin: 14px 0 0; }
.h-section .en { font-weight: 600; }
.lead {
  font-size: clamp(15px, 1.6vw, 18px); color: var(--text-600);
  max-width: 620px; margin: 16px auto 0;
}
.lead--left { margin-left: 0; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px; border-radius: 999px; font-size: 15px; font-weight: 600;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--brand-accent); color: #fff; box-shadow: 0 8px 20px rgba(46,134,171,.28); }
.btn-primary:hover { background: var(--brand-accent-700); transform: translateY(-2px); box-shadow: 0 12px 26px rgba(46,134,171,.34); }
.btn-dark { background: var(--brand-500); color: #fff; }
.btn-dark:hover { background: var(--brand-900); transform: translateY(-2px); }
.btn-ghost { background: #fff; color: var(--text-800); border: 1px solid var(--border-strong); }
.btn-ghost:hover { border-color: var(--brand-accent); color: var(--brand-accent); transform: translateY(-2px); }
.btn-gold { background: var(--brand-gold); color: #fff; box-shadow: 0 8px 20px rgba(201,150,107,.3); }
.btn-gold:hover { background: var(--brand-gold-700); transform: translateY(-2px); }

/* ---------- 导航 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  transition: background .3s var(--ease), box-shadow .3s var(--ease), backdrop-filter .3s var(--ease);
}
.nav__inner { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; }
.nav--scrolled {
  background: rgba(255,255,255,.72);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  box-shadow: 0 1px 0 rgba(16,24,40,.06);
}
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 700; font-size: 17px; color: var(--text-900); }
.brand__mark { width: 34px; height: 34px; border-radius: 10px; background: linear-gradient(135deg, var(--brand-500), var(--brand-accent)); display: grid; place-items: center; box-shadow: 0 4px 12px rgba(26,37,48,.25); overflow: hidden; }
.brand__mark img { width: 22px; height: 22px; object-fit: contain; display: block; }
.brand__text { display: flex; flex-direction: column; gap: 3px; line-height: 1.15; }
.brand__name { font-size: 16px; }
.brand__tagline { font-size: 12px; font-weight: 500; color: var(--text-400); letter-spacing: .02em; }

.nav__links { display: flex; align-items: center; gap: 6px; }
.nav__link { padding: 8px 14px; border-radius: 999px; font-size: 15px; color: var(--text-600); font-weight: 500; transition: color .2s, background .2s; }
.nav__link:hover { color: var(--text-900); background: rgba(16,24,40,.05); }
.nav__link.is-active { color: var(--text-900); background: rgba(16,24,40,.08); font-weight: 600; }
.nav__link--external { color: var(--text-400); font-size: 13px; }
.nav__cta { margin-left: 8px; }
.nav__burger { display: none; width: 40px; height: 40px; border-radius: 10px; align-items: center; justify-content: center; }
.nav__burger span { display: block; width: 20px; height: 2px; background: var(--text-800); position: relative; transition: .3s var(--ease); }
.nav__burger span::before, .nav__burger span::after { content: ""; position: absolute; left: 0; width: 20px; height: 2px; background: var(--text-800); transition: .3s var(--ease); }
.nav__burger span::before { top: -6px; }
.nav__burger span::after { top: 6px; }

/* 移动端抽屉 */
.drawer {
  position: fixed; inset: 0; z-index: 99; pointer-events: none;
  background: rgba(15,23,32,.4); opacity: 0; transition: opacity .3s var(--ease);
}
.drawer--open { opacity: 1; pointer-events: auto; }
.drawer__panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(82vw, 340px);
  background: #fff; padding: calc(var(--nav-h) + 16px) 24px 24px;
  transform: translateX(100%); transition: transform .32s var(--ease);
  display: flex; flex-direction: column; gap: 4px;
}
.drawer--open .drawer__panel { transform: translateX(0); }
.drawer__link { padding: 14px 8px; font-size: 17px; font-weight: 600; color: var(--text-800); border-bottom: 1px solid var(--border); }
.drawer__link--external { color: var(--text-400); font-weight: 500; font-size: 14px; font-family: var(--font-en); }
.drawer__divider { height: 1px; background: var(--border); margin: 14px 0; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: calc(var(--nav-h) + 84px) 0 72px; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero__bg::before {
  content: ""; position: absolute; top: -30%; left: 50%; transform: translateX(-50%);
  width: 900px; height: 600px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(46,134,171,.16), rgba(46,134,171,0) 70%);
  filter: blur(8px);
}
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(16,24,40,.035) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(16,24,40,.035) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(closest-side, #000, transparent 80%);
  mask-image: radial-gradient(closest-side, #000, transparent 80%);
}
.hero__inner { position: relative; z-index: 1; text-align: center; }
.hero h1 {
  font-size: clamp(34px, 5.4vw, 60px); margin: 18px auto 0; max-width: 16em;
  letter-spacing: -.02em;
}
.hero h1 .accent { color: var(--brand-accent); }
.hero h1 .gold { color: var(--brand-gold-700); }
.hero__sub { font-size: clamp(15px, 1.8vw, 19px); color: var(--text-600); max-width: 640px; margin: 22px auto 0; }
.hero__logos {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 14px; margin-bottom: 16px;
  font-size: clamp(13px, 1.4vw, 16px); font-weight: 500;
  letter-spacing: .18em; color: var(--text-600);
}
.hero__logos__word { position: relative; }
.hero__logos__sep {
  color: var(--border-strong); font-weight: 300; font-size: .9em;
  margin: 0 2px; user-select: none;
}
.hero__cta { margin-top: 34px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero__scroll { margin-top: 56px; color: var(--text-400); font-size: 13px; letter-spacing: .1em; font-family: var(--font-en); text-transform: uppercase; display: inline-flex; flex-direction: column; align-items: center; gap: 8px; }
.hero__scroll span.dot { width: 22px; height: 34px; border: 2px solid var(--border-strong); border-radius: 12px; position: relative; }
.hero__scroll span.dot::before { content: ""; position: absolute; left: 50%; top: 7px; width: 4px; height: 7px; border-radius: 2px; background: var(--brand-accent); transform: translateX(-50%); animation: scrolldot 1.6s var(--ease) infinite; }
@keyframes scrolldot { 0% { opacity: 0; top: 6px; } 40% { opacity: 1; } 80% { opacity: 0; top: 18px; } 100% { opacity: 0; } }

/* 家族闭环可视化（写·排·忆 连线） */
.loop { display: flex; align-items: center; justify-content: center; gap: 0; margin: 48px auto 0; flex-wrap: wrap; }
.loop__node {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  padding: 20px 26px; border-radius: var(--r-lg); background: #fff;
  border: 1px solid var(--border); box-shadow: var(--shadow-sm); min-width: 132px;
}
.loop__tag { width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center; overflow: hidden; }
.loop__tag--ink { background: var(--c-scribia-soft); }
.loop__tag--blue { background: var(--c-temporia-soft); }
.loop__tag--gold { background: var(--c-workbrain-soft); }
.loop__tag img { width: 34px; height: 34px; object-fit: contain; display: block; }
.loop__name { font-weight: 700; font-size: 15px; }
.loop__en { font-size: 12px; color: var(--text-400); font-family: var(--font-en); }
.loop__arrow { color: var(--border-strong); font-size: 26px; padding: 0 10px; }

/* ---------- 产品矩阵 ---------- */
.matrix { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.pcard {
  position: relative; background: var(--bg-white); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 34px 30px 30px; display: flex; flex-direction: column;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
  overflow: hidden;
}
.pcard::before { content: ""; position: absolute; left: 0; top: 0; height: 4px; width: 100%; opacity: 0; transition: opacity .25s var(--ease); }
.pcard--scribia::before { background: var(--c-scribia); }
.pcard--temporia::before { background: var(--c-temporia); }
.pcard--workbrain::before { background: var(--brand-gold); }
.pcard:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.pcard:hover::before { opacity: 1; }
.pcard__logo { width: 64px; height: 64px; border-radius: 16px; display: grid; place-items: center; box-shadow: var(--shadow-sm); }
.pcard--scribia .pcard__logo { background: var(--c-scribia-soft); }
.pcard--temporia .pcard__logo { background: var(--c-temporia-soft); }
.pcard--workbrain .pcard__logo { background: var(--c-workbrain-soft); }
.pcard__top { display: flex; align-items: flex-start; justify-content: space-between; }
.pcard__tag { padding: 5px 12px; border-radius: 999px; font-size: 12px; font-weight: 600; letter-spacing: .02em; }
.pcard--scribia .pcard__tag { color: var(--c-scribia); background: var(--c-scribia-soft); }
.pcard--temporia .pcard__tag { color: var(--c-temporia); background: var(--c-temporia-soft); }
.pcard--workbrain .pcard__tag { color: var(--brand-gold-700); background: var(--c-workbrain-soft); }
.pcard__name { font-size: 22px; margin-top: 22px; }
.pcard__name .en { font-weight: 600; color: var(--text-400); font-size: 14px; margin-left: 6px; }
.pcard__desc { color: var(--text-600); font-size: 14.5px; margin-top: 12px; flex: 1; }
.pcard__feats { list-style: none; padding: 0; margin: 18px 0 22px; display: flex; flex-direction: column; gap: 9px; }
.pcard__feats li { display: flex; align-items: center; gap: 9px; font-size: 13.5px; color: var(--text-600); }
.pcard__feats svg { width: 16px; height: 16px; flex: none; color: var(--brand-accent); }
.pcard--scribia .pcard__feats svg { color: var(--c-scribia); }
.pcard--workbrain .pcard__feats svg { color: var(--brand-gold-700); }
.pcard__btn { margin-top: auto; }

/* ---------- 闭环 / 家族联动 ---------- */
.flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 48px; }
.flow__step { background: #fff; border: 1px solid var(--border); border-radius: var(--r-md); padding: 28px 26px; position: relative; }
.flow__num { font-family: var(--font-en); font-size: 14px; font-weight: 700; color: var(--brand-accent); }
.flow__step h3 { font-size: 19px; margin: 10px 0 8px; }
.flow__step p { color: var(--text-600); font-size: 14.5px; }
.flow__step .chip { display: inline-block; margin-top: 14px; font-size: 12.5px; font-weight: 600; padding: 4px 11px; border-radius: 999px; }
.chip--ink { color: var(--c-scribia); background: var(--c-scribia-soft); }
.chip--blue { color: var(--c-temporia); background: var(--c-temporia-soft); }
.chip--gold { color: var(--brand-gold-700); background: var(--c-workbrain-soft); }

/* ---------- 信任区 ---------- */
.trust { background: var(--bg-white); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.trust__row { display: flex; justify-content: center; flex-wrap: wrap; gap: 18px 48px; }
.trust__item { display: flex; align-items: center; gap: 11px; font-size: 15px; color: var(--text-600); font-weight: 500; }
.trust__item svg { width: 22px; height: 22px; color: var(--brand-accent); flex: none; }

/* ---------- 通用区块标题 ---------- */
.head { text-align: center; }
.head--left { text-align: left; }
.head .eyebrow { margin: 0 auto; }
.head--left .eyebrow { margin-left: 0; }

/* ---------- 产品详情页 Hero ---------- */
.phero { position: relative; padding: calc(var(--nav-h) + 80px) 0 64px; overflow: hidden; }
.phero--scribia { background: radial-gradient(120% 90% at 80% -10%, var(--c-scribia-soft), transparent 55%); }
.phero--temporia { background: radial-gradient(120% 90% at 80% -10%, var(--c-temporia-soft), transparent 55%); }
.phero--workbrain { background: radial-gradient(120% 90% at 80% -10%, var(--c-workbrain-soft), transparent 55%); }
.phero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.phero__tag { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; font-size: 14px; }
.phero__tag .dot { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 16px; overflow: hidden; }
.phero__tag .dot img { width: 20px; height: 20px; object-fit: contain; display: block; }
.tag--ink .dot { background: var(--c-scribia); }
.tag--blue .dot { background: var(--c-temporia); }
.tag--gold .dot { background: var(--brand-gold); }
.phero h1 { font-size: clamp(32px, 4.4vw, 50px); margin-top: 18px; }
.phero h1 .en { font-weight: 600; color: var(--text-400); font-size: .52em; font-family: var(--font-en); }
.phero h1 .en--wide { font-size: .68em; letter-spacing: .04em; }  /* 4 字中文（职场外脑）字号略大，避免弱化 */
.phero__sub { font-size: clamp(15px, 1.7vw, 18px); color: var(--text-600); margin-top: 18px; max-width: 540px; }
.phero__slogan {
  font-size: clamp(18px, 2.2vw, 24px); font-weight: 600; color: var(--text-800);
  margin-top: 12px; letter-spacing: -.01em;
}
.phero--scribia .phero__slogan { color: var(--c-scribia); }
.phero--temporia .phero__slogan { color: var(--c-temporia); }
.phero--workbrain .phero__slogan { color: var(--brand-gold-700); }
.phero__cta { margin-top: 30px; display: flex; gap: 13px; flex-wrap: wrap; align-items: flex-start; }
.phero__meta { margin-top: 26px; display: flex; gap: 26px; flex-wrap: wrap; }
.phero__meta div { font-size: 13px; color: var(--text-400); }
.phero__meta strong { display: block; font-size: 18px; color: var(--text-800); font-family: var(--font-en); }

/* 产品视觉占位：去掉外框，内容直接贴在页面背景上 */
.pvisual { aspect-ratio: 4/3; position: relative; overflow: visible; }
.pvisual__bar { height: 12px; border-radius: 6px; background: var(--border); margin-bottom: 14px; opacity: .7; }
.pvisual__card { border: 1px solid var(--border); border-radius: 12px; padding: 16px; margin-bottom: 12px; }
.pvisual__line { height: 9px; border-radius: 5px; background: var(--bg-100); margin: 8px 0; }
.pvisual__line.w70 { width: 70%; } .pvisual__line.w50 { width: 50%; } .pvisual__line.w85 { width: 85%; }
.pvisual--scribia .pvisual__card { border-left: 3px solid var(--c-scribia); }
.pvisual--temporia .pvisual__card { border-left: 3px solid var(--c-temporia); }
.pvisual--workbrain .pvisual__card { border-left: 3px solid var(--brand-gold); }
.pvisual__check { width: 16px; height: 16px; border-radius: 5px; display: inline-block; margin-right: 8px; vertical-align: -3px; }
.pvisual--scribia .pvisual__check { background: var(--c-scribia); }
.pvisual--temporia .pvisual__check { background: var(--c-temporia); }
.pvisual--workbrain .pvisual__check { background: var(--brand-gold); }

/* 更饱满的产品界面 Mock（解决右侧空洞） */
.win { background: #fff; border: 1px solid var(--border); border-radius: var(--r-lg); box-shadow: 0 10px 40px rgba(16,24,40,.08); overflow: hidden; height: 100%; width: 100%; max-width: 520px; display: flex; flex-direction: column; }
.win__bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: var(--bg-100); border-bottom: 1px solid var(--border); }
.win__dot { width: 10px; height: 10px; border-radius: 50%; background: var(--border-strong); }
.win__dot:first-child { background: #FF5F57; }
.win__dot:nth-child(2) { background: #FFBD2E; }
.win__dot:nth-child(3) { background: #28C840; }
.win__title { margin-left: 8px; font-size: 12px; color: var(--text-400); font-family: var(--font-en); }
.win__body { flex: 1; display: grid; grid-template-columns: 1fr 1fr; }
.win__pane { padding: 18px; font-size: 12px; line-height: 1.7; }
.win__pane--md { background: #FAFBFC; border-right: 1px solid var(--border); font-family: var(--font-en); color: var(--text-600); }
.win__pane--preview { color: var(--text-700); }
.win__line { height: 10px; border-radius: 5px; background: var(--border); margin: 10px 0; }
.win__line--h1 { background: transparent; height: auto; font-size: 18px; font-weight: 700; color: var(--text-900); margin-bottom: 14px; }
.win__prev { height: 10px; border-radius: 5px; background: var(--border); margin: 10px 0; }
.win__prev--h1 { background: transparent; height: auto; font-size: 18px; font-weight: 700; color: var(--text-900); margin-bottom: 14px; }
.win__prev--li { position: relative; padding-left: 14px; }
.win__prev--li::before { content: ""; position: absolute; left: 0; top: 5px; width: 5px; height: 5px; border-radius: 50%; background: var(--c-scribia); }

.cal { background: #fff; border: 1px solid var(--border); border-radius: var(--r-lg); box-shadow: 0 10px 40px rgba(16,24,40,.08); padding: 22px; height: 100%; width: 100%; max-width: 520px; display: flex; flex-direction: column; }
.cal__head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.cal__month { font-weight: 700; font-size: 15px; color: var(--text-900); }
.cal__nav { color: var(--text-400); font-size: 14px; }
.cal__weekdays, .cal__days { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; text-align: center; font-size: 11px; }
.cal__weekdays { color: var(--text-400); margin-bottom: 8px; }
.cal__days { flex: 1; }
.cal__day { aspect-ratio: 1; border-radius: 8px; display: grid; place-items: center; color: var(--text-700); background: var(--bg-100); }
.cal__day--active { background: var(--c-temporia); color: #fff; font-weight: 700; }
.cal__day--check { position: relative; }
.cal__day--check::after { content: ""; position: absolute; bottom: 3px; width: 4px; height: 4px; border-radius: 50%; background: var(--c-temporia); }
.cal__tasks { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 8px; }
.cal__task { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-600); }
.cal__task .check { width: 14px; height: 14px; border-radius: 4px; background: var(--c-temporia); display: grid; place-items: center; }
.cal__task .check::after { content: ""; width: 5px; height: 8px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg); margin-bottom: 2px; }

.phone { background: #fff; border: 1px solid var(--border); border-radius: 28px; box-shadow: 0 10px 40px rgba(16,24,40,.08); padding: 18px; height: 100%; width: 100%; max-width: 320px; display: flex; flex-direction: column; }
.phone__bar { text-align: center; font-size: 12px; color: var(--text-400); margin-bottom: 14px; }
.phone__chat { display: flex; flex-direction: column; gap: 10px; margin-bottom: 18px; }
.bubble { padding: 10px 13px; border-radius: 14px; font-size: 12px; line-height: 1.55; max-width: 86%; }
.bubble--user { align-self: flex-end; background: var(--brand-gold); color: #fff; border-bottom-right-radius: 4px; }
.bubble--ai { align-self: flex-start; background: var(--c-workbrain-soft); color: var(--brand-gold-700); border-bottom-left-radius: 4px; }
.phone__report { background: var(--c-workbrain-soft); border-radius: 14px; padding: 14px; flex: 1; }
.report__title { font-weight: 700; font-size: 13px; color: var(--brand-gold-700); margin-bottom: 10px; }
.report__item { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-600); margin: 6px 0; }
.report__item::before { content: "✓"; color: var(--brand-gold); font-weight: 700; }

/* 轮播组件 */
.carousel { position: relative; width: 100%; height: 100%; overflow: hidden; border-radius: var(--r-lg); }
.carousel__track { display: flex; height: 100%; transition: transform .45s var(--ease); }
.carousel__slide { flex: 0 0 100%; height: 100%; display: grid; place-items: center; }
.carousel__dots { position: absolute; bottom: -28px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; z-index: 2; }
.carousel__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border-strong); cursor: pointer; transition: background .2s, transform .2s; }
.carousel__dot.is-active { background: var(--brand-accent); transform: scale(1.2); }
.pvisual--scribia .carousel__dot.is-active { background: var(--c-scribia); }
.pvisual--temporia .carousel__dot.is-active { background: var(--c-temporia); }
.pvisual--workbrain .carousel__dot.is-active { background: var(--brand-gold); }

/* 轮播中的二维码幻灯片 */
.qr-slide {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; gap: 14px;
  background: #fff; border: 1px solid var(--border); border-radius: var(--r-lg);
  box-shadow: 0 10px 40px rgba(16,24,40,.08);
  padding: 28px; width: 100%; max-width: 320px; height: 100%;
}
.qr-slide__img { width: 170px; height: 170px; border-radius: 14px; object-fit: contain; display: block; }
.qr-slide__cap { font-size: 14px; color: var(--text-500); line-height: 1.5; }
.qr-slide__cap strong { display: block; font-size: 16px; font-weight: 600; color: var(--text-800); margin-bottom: 2px; }

/* ---------- 痛点 / 特性 ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 48px; }
.feat {
  background: #fff; border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 28px 26px; transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.feat:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.feat__icon { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 16px; }
.feat__icon svg { width: 24px; height: 24px; }
.feat--ink .feat__icon { background: var(--c-scribia-soft); color: var(--c-scribia); }
.feat--blue .feat__icon { background: var(--c-temporia-soft); color: var(--c-temporia); }
.feat--gold .feat__icon { background: var(--c-workbrain-soft); color: var(--brand-gold-700); }
.feat h3 { font-size: 18px; }
.feat p { color: var(--text-600); font-size: 14.5px; margin-top: 8px; }

/* 双栏：痛点 vs 方案 */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 44px; }
.duo__col { border-radius: var(--r-md); padding: 30px 28px; background: #fff; border: 1px solid var(--border); }
.duo__col--sol { border-bottom: 4px solid var(--brand-accent); box-shadow: var(--shadow-sm); }
.duo__col h3 { font-size: 19px; margin-bottom: 16px; }
.duo__list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.duo__list li { display: flex; gap: 10px; font-size: 14.5px; line-height: 1.6; color: var(--text-600); }
.duo__list svg { width: 18px; height: 18px; flex: none; margin-top: 3px; }
.duo__col--prob .duo__list svg { color: var(--text-400); }
.duo__col--sol .duo__list svg { color: var(--brand-accent); }

/* ---------- 家族位置（cross-link） ---------- */
.family-card {
  display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center;
  background: #fff; border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 18px 22px; margin-top: 14px; transition: border-color .2s, transform .2s;
}
.family-card:hover { border-color: var(--brand-accent); transform: translateX(3px); }
.family-card__logo { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; }
.family-card--scribia .family-card__logo { background: var(--c-scribia-soft); }
.family-card--temporia .family-card__logo { background: var(--c-temporia-soft); }
.family-card--workbrain .family-card__logo { background: var(--c-workbrain-soft); }
.family-card__name { font-weight: 700; }
.family-card__name .en { color: var(--text-400); font-weight: 500; font-size: 13px; font-family: var(--font-en); }
.family-card__desc { font-size: 13.5px; color: var(--text-600); }
.family-card__go { color: var(--brand-accent); font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 5px; }
.family-card__go svg { width: 16px; height: 16px; }

/* ---------- 下载区 ---------- */
.download { background: var(--brand-500); color: #fff; border-radius: var(--r-xl); padding: 52px 48px; position: relative; overflow: hidden; }
.download::after { content: ""; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(closest-side, rgba(127,211,240,.25), transparent 70%); }
.download__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; position: relative; z-index: 1; }
.download h2 { color: #fff; font-size: clamp(24px, 3vw, 34px); }
.download p { color: rgba(255,255,255,.78); margin-top: 12px; font-size: 15px; }
.dl-btns { display: flex; flex-direction: column; gap: 14px; }
.dl-btn { display: flex; align-items: center; gap: 14px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.16); border-radius: 14px; padding: 16px 18px; transition: background .2s, transform .2s; }
.dl-btn:hover { background: rgba(255,255,255,.14); transform: translateY(-2px); }
.dl-btn__icon { width: 42px; height: 42px; border-radius: 11px; background: rgba(255,255,255,.12); display: grid; place-items: center; flex: none; }
.dl-btn__icon svg { width: 22px; height: 22px; color: #fff; }
.dl-btn__txt strong { display: block; font-size: 15px; }
.dl-btn__txt span { font-size: 12.5px; color: rgba(255,255,255,.6); }
.dl-note { margin-top: 18px; font-size: 13px; color: rgba(255,255,255,.62); display: flex; gap: 8px; align-items: flex-start; }
.dl-note svg { width: 16px; height: 16px; flex: none; margin-top: 2px; }

/* 扫码体验（职场外脑） */
.qr { background: #fff; border-radius: 18px; padding: 22px; width: 210px; text-align: center; color: var(--text-800); }
.qr__box { width: 150px; height: 150px; margin: 0 auto 12px; border-radius: 12px; border: 1px solid var(--border); display: grid; place-items: center; background:
  repeating-conic-gradient(#1A2530 0% 25%, #fff 0% 50%) 50% / 16px 16px; position: relative; overflow: hidden; }
.qr__box::after { content: "小程序码"; position: absolute; inset: 0; display: grid; place-items: center; background: rgba(255,255,255,.86); color: var(--text-400); font-size: 12px; }
.qr__cap { font-size: 13px; color: var(--text-600); }
.qr__cap strong { color: var(--text-800); display: block; font-size: 14px; }

/* Hero 内直接扫码卡片 */
.qr-card { background: #fff; border: 1px solid var(--border); border-radius: var(--r-lg); box-shadow: var(--shadow-lg); padding: 28px; text-align: center; max-width: 320px; margin: 0 auto; }
.qr-card__head { font-size: 13px; color: var(--text-400); margin-bottom: 16px; }
.qr-card__img { width: 200px; height: 200px; margin: 0 auto; border-radius: 14px; border: 1px solid var(--border); object-fit: contain; display: block; }
.qr-card__cap { margin-top: 16px; font-size: 14px; color: var(--text-600); }
.qr-card__cap strong { display: block; color: var(--text-900); font-size: 16px; margin-bottom: 4px; }

/* 真实图片资产 */
.pcard__logo-img { width: 46px; height: 46px; object-fit: contain; display: block; }
.family-card__logo-img { width: 30px; height: 30px; object-fit: contain; display: block; }
.qr__img { width: 150px; height: 150px; object-fit: contain; display: block; border-radius: 12px; }

/* ---------- 页脚 ---------- */
.footer { background: var(--brand-900); color: #C7D0DA; padding: 56px 0 30px; }
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 36px; }
.footer__brand { font-size: 18px; font-weight: 700; color: #fff; display: inline-flex; align-items: center; gap: 10px; }
.footer__brand .brand__mark { width: 30px; height: 30px; font-size: 14px; }
.footer__brand .brand__mark img { width: 20px; height: 20px; object-fit: contain; display: block; }
.footer__tag { margin-top: 14px; font-size: 14px; color: #9AA7B5; max-width: 320px; }
.footer__col h4 { color: #fff; font-size: 14px; letter-spacing: .04em; margin-bottom: 14px; font-family: var(--font-en); text-transform: uppercase; }
.footer__col a { display: block; padding: 6px 0; font-size: 14.5px; color: #9AA7B5; transition: color .2s; }
.footer__col a:hover { color: #fff; }
.footer__bottom { margin-top: 40px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 13px; color: #7E8B99; }
.footer__bottom a { color: #7E8B99; }
.footer__bottom a:hover { color: #fff; }

/* ---------- 滚动揭示动画 ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .phero__grid { grid-template-columns: 1fr; gap: 36px; }
  .pvisual { max-width: 540px; margin: 0 auto; }
  .download__grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .matrix { grid-template-columns: 1fr; max-width: 460px; margin-left: auto; margin-right: auto; }
  .feat-grid { grid-template-columns: 1fr 1fr; }
  .flow { grid-template-columns: 1fr; }
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .nav__cta { display: none; }
}
@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .hero { padding-top: calc(var(--nav-h) + 56px); }
  .feat-grid { grid-template-columns: 1fr; }
  .duo { grid-template-columns: 1fr; }
  .download { padding: 38px 26px; }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .loop__arrow { display: none; }
  .loop { gap: 12px; }
  .loop__node { min-width: 0; flex: 1; padding: 16px 10px; }
  .container { padding: 0 18px; }
}

/* 深色模式（尊重系统） */
@media (prefers-color-scheme: dark) {
  /* 产品站以浅色为主，这里仅微调护眼，不强转深色 */
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}