/* ===== Design Tokens ===== */
:root {
  --bg: #FFC93C;          /* 主背景 - 明黄（参考 SoulMate 海报） */
  --bg-2: #FFD966;        /* 次要背景 - 柔黄 */
  --paper: #FFF4D6;       /* 卡片 - 米黄 */
  --paper-2: #FBE9B7;     /* 卡片次层 */
  --ink: #1a1a1a;         /* 主文字 黑 */
  --ink-2: #3a3a36;       /* 次文字 */
  --ink-3: #6a6960;       /* 弱文字 */
  --line: #1a1a1a;        /* 描边 */
  --line-soft: rgba(26,26,26,.22);
  --accent: #2E7DC4;      /* 主蓝 - 胶囊（与黄色对比） */
  --accent-deep: #1F5C99;
  --accent-soft: #BFD9F2;
  --warm: #FF6B3D;        /* 暖橙红强调 - 海报中的红色弹簧线 */
  --warm-soft: #FFB199;
  --serif: 'Noto Serif SC', 'Source Han Serif SC', Georgia, serif;
  --sans: 'Inter', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --radius-pill: 999px;
  --radius-card: 14px;
  --shadow-sm: 0 2px 0 rgba(26,26,26,.08);
  --shadow-md: 0 8px 24px -8px rgba(0,0,0,.18);
  --shadow-lift: 0 16px 40px -12px rgba(0,0,0,.22);
  --max-w: 1280px;

  /* —— 糖果撞色（参考小红书黄色街拍 + 对话气泡插画） —— */
  --candy-mint:    #B8E6D2;   /* 薄荷绿 */
  --candy-mint-d:  #2F8A6A;
  --candy-sky:     #C8E0F4;   /* 天空蓝 */
  --candy-sky-d:   #2C6FB0;
  --candy-lilac:   #DCD0F0;   /* 淡紫 */
  --candy-lilac-d: #6E4FAE;
  --candy-coral:   #FFC4B8;   /* 糖果橘红 */
  --candy-coral-d: #C84A2C;
  --candy-lemon:   #FFE486;   /* 柠檬黄（比底色更亮） */
  --candy-lemon-d: #B07F00;
  --candy-rose:    #FFD4DD;   /* 樱花粉 */
  --candy-rose-d:  #C03A66;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
img { display: block; max-width: 100%; }

/* ===== Nav ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 22px 0;
  transition: backdrop-filter .3s, background .3s, box-shadow .3s;
}
.nav.scrolled {
  background: rgba(255, 201, 60, .82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line-soft);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: .02em;
}
.brand-dot {
  width: 10px; height: 10px;
  background: var(--ink);
  border-radius: 999px;
  box-shadow: 0 0 0 3px var(--bg), 0 0 0 4px var(--ink);
}
.nav.scrolled .brand-dot { box-shadow: 0 0 0 3px rgba(255,201,60,.82), 0 0 0 4px var(--ink); }
.nav-links { display: flex; gap: 18px; align-items: flex-start; }

.pill {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 600;
  font-size: 15px;
  padding: 12px 32px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform .25s ease, box-shadow .25s ease, background .25s;
  letter-spacing: .04em;
}
.pill:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--ink);
  background: var(--accent-soft);
}
.pill:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--ink);
}
.pill-plus {
  position: absolute;
  bottom: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px; height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1.2px solid var(--ink);
  font-size: 12px;
  background: var(--bg);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1;
}
.nav.scrolled .pill-plus { background: rgba(255,201,60,.92); }

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  padding: 160px 32px 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
  position: relative;
}
.hero-meta {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 12px;
  color: var(--ink-2);
  letter-spacing: .25em;
  text-transform: uppercase;
  margin-bottom: 28px;
  opacity: 0;
  animation: fadeUp .9s ease .1s forwards;
}
.meta-line { width: 36px; height: 1px; background: var(--ink-2); }
.hero-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(36px, 6vw, 76px);
  line-height: 1.35;
  letter-spacing: .04em;
  color: var(--ink);
  margin-bottom: 56px;
}
.hero-title.hero-title-single {
  font-size: clamp(28px, 4.4vw, 52px);
  line-height: 1.4;
  margin-bottom: 36px;
}
.hero-title.hero-title-single .line-2 { color: var(--ink); }
.hero-title .line-1, .hero-title .line-2 {
  display: block;
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp 1.1s cubic-bezier(.2,.8,.2,1) forwards;
}
.hero-title .line-1 { animation-delay: .3s; }
.hero-title .line-2 { animation-delay: .55s; color: var(--ink-2); }

.hero-illustration {
  position: relative;
  width: min(440px, 88vw);
  margin-top: 12px;
  opacity: 0;
  animation: fadeUp 1.2s ease .8s forwards;
}
.illu-card {
  background: var(--paper);
  border: 1.5px solid var(--ink);
  border-radius: 6px;
  padding: 28px;
  box-shadow: 6px 6px 0 var(--ink);
  transition: transform .5s ease;
}
.hero-illustration:hover .illu-card { transform: rotate(-1deg); }
.illu-img {
  width: 100%;
  height: auto;
  filter: contrast(1.05);
  mix-blend-mode: multiply;
}
.illu-tag {
  position: absolute;
  background: var(--paper);
  border: 1.2px solid var(--ink);
  border-radius: var(--radius-pill);
  padding: 6px 16px;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 13px;
  box-shadow: 2px 2px 0 var(--ink);
  animation: floatY 4s ease-in-out infinite;
}
.illu-tag-1 { top: 10%; left: -40px; transform: rotate(-8deg); animation-delay: 0s; }
.illu-tag-2 { top: 50%; right: -50px; transform: rotate(6deg); animation-delay: 1.2s; background: var(--accent-soft); }
.illu-tag-3 { bottom: 8%; left: -20px; transform: rotate(4deg); animation-delay: 2.4s; background: var(--warm-soft); }

.hero-scroll {
  margin-top: 60px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--ink-2);
  text-transform: uppercase;
  opacity: 0;
  animation: fadeUp 1s ease 1.4s forwards;
}
.scroll-dot { animation: scrollDot 2s ease-in-out infinite; }

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes floatY {
  0%, 100% { transform: translateY(0) rotate(var(--r, 0)); }
  50% { transform: translateY(-8px) rotate(var(--r, 0)); }
}
.illu-tag-1 { --r: -8deg; }
.illu-tag-2 { --r: 6deg; }
.illu-tag-3 { --r: 4deg; }
@keyframes scrollDot {
  0% { transform: translateY(0); opacity: 1; }
  60% { transform: translateY(8px); opacity: 0; }
  61% { transform: translateY(0); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}

/* ===== Section common ===== */
.section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 140px 32px 80px;
  position: relative;
}
.section-head {
  max-width: 760px;
  margin: 0 auto 64px;
  text-align: center;
}
.section-tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .35em;
  color: var(--ink-2);
  text-transform: uppercase;
  padding: 4px 0;
  border-top: 1px solid var(--ink-2);
  border-bottom: 1px solid var(--ink-2);
  margin-bottom: 24px;
}
.section-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(30px, 4.5vw, 52px);
  line-height: 1.35;
  margin-bottom: 20px;
  letter-spacing: .03em;
}
.section-desc {
  color: var(--ink-2);
  font-size: 16px;
  max-width: 600px;
  margin: 0 auto;
}
.section-desc a {
  border-bottom: 1px solid currentColor;
  transition: color .2s;
}
.section-desc a:hover { color: var(--accent-deep); }

/* ===== Pulse · 时间轴 ===== */
.section-pulse { background: linear-gradient(180deg, transparent 0%, rgba(245,241,234,.4) 50%, transparent 100%); }

/* 顶部工具条 */
.pulse-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
  padding: 14px 20px;
  background: var(--paper);
  border: 1.2px solid var(--ink);
  border-radius: var(--radius-pill);
  box-shadow: 3px 3px 0 var(--ink);
}
.pulse-filter { display: flex; gap: 8px; flex-wrap: wrap; }
.pulse-chip {
  padding: 6px 16px;
  background: transparent;
  border: 1.2px solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-2);
  transition: all .2s;
}
.pulse-chip:hover { background: var(--paper-2); color: var(--ink); }
.pulse-chip.active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.pulse-hint {
  font-size: 12px;
  color: var(--ink-3);
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--serif);
}
.pulse-hint .kbd {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 22px; height: 22px;
  padding: 0 6px;
  background: var(--bg-2);
  border: 1px solid var(--ink);
  border-radius: 5px;
  font-size: 11px;
  font-weight: 600;
  color: var(--ink);
  box-shadow: 1px 1px 0 var(--ink);
  font-family: var(--sans);
}
.pulse-hint .dot-sep { color: var(--ink-3); margin: 0 4px; }

/* AIHOT 入口链接 */
.pulse-aihot-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-2);
  background: var(--bg-2);
  border: 1px solid var(--line-soft);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: all .2s;
  flex-shrink: 0;
}
.pulse-aihot-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}
.pulse-aihot-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px; height: 20px;
  font-size: 13px;
  background: transparent;
  border-radius: 4px;
}

/* Pulse 工具栏左侧布局 */
.pulse-toolbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* Pulse 更新时间 */
.pulse-update-time {
  font-size: 11px;
  color: var(--ink-3);
  font-family: var(--sans);
  white-space: nowrap;
}

/* Pulse Loading */
.pulse-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 40px 20px;
  font-family: var(--serif);
  color: var(--ink-3);
  font-size: 14px;
}
.pulse-loading-spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--line-soft);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: pulse-spin .8s linear infinite;
}
@keyframes pulse-spin {
  to { transform: rotate(360deg); }
}

/* 信息流容器 */
.pulse-feed {
  margin-bottom: 50px;
  padding-left: 6px;
}

/* 时间轴主容器 */
.pulse-timeline {
  margin-bottom: 50px;
  padding-left: 6px;
}
.pulse-empty {
  text-align: center;
  padding: 80px 20px;
  font-family: var(--serif);
  color: var(--ink-3);
}

/* 日期分组 */
.pulse-day { margin-bottom: 36px; }
.pulse-day-head {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-left: 88px; /* 与时间列对齐 */
  margin-bottom: 16px;
}
.pulse-day-text {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .04em;
  position: relative;
  padding-left: 18px;
}
.pulse-day-text::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  width: 12px; height: 12px;
  background: var(--ink);
  border-radius: 999px;
  transform: translateY(-50%);
}
.pulse-day-count {
  font-size: 12px;
  color: var(--ink-3);
  background: var(--bg-2);
  padding: 3px 10px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-pill);
}
.pulse-day-line {
  flex: 1;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--ink-3) 0 4px, transparent 4px 10px);
  opacity: .5;
}

.pulse-items { display: flex; flex-direction: column; }

/* 单条时间轴项 */
.pulse-item {
  display: grid;
  grid-template-columns: 80px 36px 1fr;
  align-items: stretch;
  outline: none;
  position: relative;
  transition: opacity .4s ease, transform .4s ease;
}
.pulse-item:focus-visible .pulse-card-new { box-shadow: 6px 7px 0 var(--accent); }

/* 左侧时间 */
.pulse-time-col {
  padding-top: 22px;
  padding-right: 8px;
  text-align: right;
}
.pulse-time {
  font-family: 'Inter', var(--serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: .02em;
  display: inline-block;
  transition: transform .3s ease, color .3s ease;
}
.pulse-item.is-passed .pulse-time { color: var(--ink); }
.pulse-item:not(.is-passed) .pulse-time { color: var(--ink-3); }

/* 中间轴 */
.pulse-axis-col {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.pulse-dot {
  position: relative;
  z-index: 2;
  margin-top: 28px;
  width: 14px; height: 14px;
  border-radius: 999px;
  background: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: 0 0 0 4px var(--bg);
  cursor: pointer;
  transition: all .3s ease;
}
.pulse-dot:hover {
  transform: scale(1.35);
  background: var(--accent);
}
.pulse-item.is-passed .pulse-dot { background: var(--ink); }
.pulse-item.is-active .pulse-dot,
.pulse-item.is-focused .pulse-dot {
  background: var(--accent);
  transform: scale(1.25);
}
/* 最新一条：脉动光晕 */
.pulse-item.is-latest .pulse-dot {
  background: var(--warm);
  box-shadow: 0 0 0 4px var(--bg);
  animation: pulseDot 2.4s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { box-shadow: 0 0 0 4px var(--bg), 0 0 0 4px rgba(255,107,61,.0); }
  50%      { box-shadow: 0 0 0 4px var(--bg), 0 0 0 12px rgba(255,107,61,.18); }
}
.pulse-line {
  position: absolute;
  top: 0; bottom: 0; left: 50%;
  width: 1.6px;
  background: var(--ink);
  transform: translateX(-50%);
  opacity: .25;
  z-index: 1;
}
.pulse-item.is-passed .pulse-line { opacity: .9; }
/* 最后一条延伸到底但变虚线 */
.pulse-day .pulse-items > .pulse-item:last-child .pulse-line {
  background: repeating-linear-gradient(180deg, var(--ink) 0 4px, transparent 4px 8px);
  opacity: .6;
}

/* 右侧卡片 */
.pulse-card-col {
  padding: 6px 0 28px 18px;
}
.pulse-card-new {
  background: var(--paper);
  border: 1.2px solid var(--ink);
  border-radius: var(--radius-card);
  padding: 18px 22px 16px;
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform .25s ease, box-shadow .25s ease;
  position: relative;
}
.pulse-item:hover .pulse-card-new {
  transform: translate(-2px, -3px);
  box-shadow: 6px 7px 0 var(--ink);
}
.pulse-item.is-active .pulse-card-new {
  animation: cardFlash 1.2s ease;
}
@keyframes cardFlash {
  0%, 100% { background: var(--paper); }
  30%, 50% { background: #FFF8E0; }
}
.pulse-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.pulse-source-name {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px;
  color: var(--ink-2);
  font-weight: 500;
}
.pulse-source-dot {
  width: 7px; height: 7px;
  border-radius: 999px;
  display: inline-block;
}
.pulse-source-dot.s-paper { background: #d8e8c5; border: 1px solid #6a8a3f; }
.pulse-source-dot.s-official { background: var(--accent-soft); border: 1px solid var(--accent-deep); }
.pulse-source-dot.s-rss { background: var(--warm-soft); border: 1px solid var(--warm); }
.pulse-tag {
  font-size: 11px;
  padding: 2px 9px;
  border: 1px solid var(--ink);
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  letter-spacing: .04em;
  white-space: nowrap;
}
.pulse-tag.tag-model { background: var(--accent-soft); }
.pulse-tag.tag-product { background: var(--warm-soft); }
.pulse-tag.tag-research { background: #d8e8c5; }
.pulse-tag.tag-news { background: #f0d8e0; }
.pulse-score {
  margin-left: auto;
  font-size: 11.5px;
  color: var(--ink-2);
  background: var(--bg-2);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-soft);
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: .04em;
}
.pulse-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  font-size: 13px;
  color: var(--ink-2);
  border-radius: 50%;
  border: 1px solid var(--line-soft);
  text-decoration: none;
  transition: all .2s;
  margin-left: 4px;
  flex-shrink: 0;
}
.pulse-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(0,0,0,.04);
}
.pulse-title-new {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.45;
  color: var(--ink);
  margin-bottom: 8px;
}
.pulse-desc-new {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.7;
  /* 默认折叠：最多 2 行 */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: -webkit-line-clamp .3s;
}
.pulse-item.is-expanded .pulse-desc-new,
.pulse-item:hover .pulse-desc-new {
  -webkit-line-clamp: 99;
}
.pulse-why {
  margin-top: 12px;
  padding: 10px 14px;
  background: var(--bg-2);
  border-left: 3px solid var(--ink);
  border-radius: 0 8px 8px 0;
  font-size: 13px;
  color: var(--ink);
  line-height: 1.65;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height .35s ease, opacity .3s ease, margin-top .3s ease, padding .3s ease;
  padding-top: 0;
  padding-bottom: 0;
  margin-top: 0;
}
.pulse-item.is-expanded .pulse-why,
.pulse-item:hover .pulse-why {
  max-height: 200px;
  opacity: 1;
  padding-top: 10px;
  padding-bottom: 10px;
  margin-top: 12px;
}
.pulse-why-tag {
  display: inline-block;
  font-family: var(--serif);
  font-weight: 700;
  margin-right: 6px;
  color: var(--ink);
}
.pulse-why-text { color: var(--ink-2); }

.pulse-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 10px;
  padding: 4px 10px;
  font-size: 12px;
  color: var(--ink-3);
  font-family: var(--serif);
  border-radius: var(--radius-pill);
  transition: all .2s;
}
.pulse-toggle:hover {
  color: var(--ink);
  background: var(--bg-2);
}
.pulse-toggle-icon { transition: transform .25s ease; }
.pulse-item.is-expanded .pulse-toggle-icon { transform: rotate(180deg); }
.pulse-item.is-expanded .pulse-toggle-text::before { content: '收起'; }
.pulse-item.is-expanded .pulse-toggle-text { font-size: 0; }
.pulse-item.is-expanded .pulse-toggle-text::before { font-size: 12px; }

/* 渐入动画（覆盖 reveal 默认效果，让单项也有错落感） */
.pulse-day.reveal { opacity: 0; transform: translateY(20px); transition: opacity .8s ease, transform .8s ease; }
.pulse-day.reveal.in-view { opacity: 1; transform: translateY(0); }

.pulse-footer { text-align: center; }
.ghost-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px;
  border: 1.5px solid var(--ink);
  border-radius: var(--radius-pill);
  background: var(--paper);
  font-family: var(--serif);
  font-weight: 500;
  font-size: 14px;
  box-shadow: 3px 3px 0 var(--ink);
  transition: all .25s;
}
.ghost-btn:hover {
  background: var(--accent);
  transform: translate(-2px,-2px);
  box-shadow: 5px 5px 0 var(--ink);
}

/* ===== Lab ===== */
.lab-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 52px;
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
}
.lab-tab {
  position: relative;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  border-radius: 14px;
  padding: 22px 20px 20px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform .25s ease, box-shadow .25s ease, background-color .3s ease;
  cursor: pointer;
  overflow: hidden;
}
/* 卡片左下角的虚线装饰，模拟手账胶带 */
.lab-tab::before {
  content: '';
  position: absolute;
  left: 12px;
  bottom: 12px;
  right: 12px;
  height: 1px;
  background-image: linear-gradient(to right, var(--ink-3, #c2bcb1) 50%, transparent 50%);
  background-size: 6px 1px;
  background-repeat: repeat-x;
  opacity: .55;
  pointer-events: none;
}
/* 右上角小色块（未激活也有微弱色彩暗示） */
.lab-tab::after {
  content: '';
  position: absolute;
  top: -28px;
  right: -28px;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  opacity: .4;
  transition: transform .35s ease, opacity .25s ease;
  pointer-events: none;
}
.lab-tab[data-tab="words"]::after     { background: var(--candy-mint, #c8e8d0); }
.lab-tab[data-tab="map"]::after       { background: var(--candy-sky, #c5dbef); }
.lab-tab[data-tab="companies"]::after { background: var(--candy-lilac, #d8c8ec); }
.lab-tab[data-tab="content"]::after   { background: var(--candy-coral, #f3c5b3); }

.lab-tab:hover {
  transform: translate(-3px, -3px);
  box-shadow: 7px 7px 0 var(--ink);
}
.lab-tab:hover::after { transform: scale(1.4) rotate(15deg); opacity: .65; }
.lab-tab:hover .lab-tab-emoji { transform: rotate(-6deg) scale(1.05); }
.lab-tab:hover .lab-tab-arrow { transform: translateX(4px); opacity: 1; }

.lab-tab.active {
  transform: translate(-3px, -3px);
  box-shadow: 7px 7px 0 var(--ink);
}
.lab-tab[data-tab="words"].active     { background: var(--candy-mint, #c8e8d0); }
.lab-tab[data-tab="map"].active       { background: var(--candy-sky, #c5dbef); }
.lab-tab[data-tab="companies"].active { background: var(--candy-lilac, #d8c8ec); }
.lab-tab[data-tab="content"].active   { background: var(--candy-coral, #f3c5b3); }
.lab-tab.active::after { opacity: 0; }
.lab-tab.active .lab-tab-emoji { background: var(--paper, #fff); }

/* 图标方块 */
.lab-tab-emoji {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-2, #f5f1ea);
  border: 1.2px solid var(--ink);
  color: var(--ink, #1a1a1a);
  position: relative;
  z-index: 1;
  transition: transform .35s cubic-bezier(.2,.8,.3,1), background-color .3s ease;
}
.lab-tab-emoji svg {
  width: 26px;
  height: 26px;
}
/* 卡片正文 */
.lab-tab-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
  z-index: 1;
}
.lab-tab-kicker {
  font-family: var(--serif);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-2, #6b665d);
  opacity: .85;
}
.lab-tab.active .lab-tab-kicker { color: var(--ink, #1a1a1a); opacity: 1; }
.lab-tab-name {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink, #1a1a1a);
  letter-spacing: .02em;
}
.lab-tab-sub {
  font-size: 12.5px;
  color: var(--ink-2, #6b665d);
  line-height: 1.55;
  letter-spacing: .01em;
}
.lab-tab.active .lab-tab-sub { color: var(--ink, #1a1a1a); }
/* 右下角箭头 */
.lab-tab-arrow {
  position: absolute;
  right: 18px;
  bottom: 16px;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink, #1a1a1a);
  opacity: .55;
  transition: transform .25s ease, opacity .25s ease;
  z-index: 1;
}
.lab-tab.active .lab-tab-arrow { opacity: 1; }

/* 兼容旧 tab-num/tab-name/tab-sub（万一其它地方还在用） */
.tab-num {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
}
.tab-name {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
}
.tab-sub {
  font-size: 12px;
  color: var(--ink-2);
  letter-spacing: .04em;
}
.lab-tab.active .tab-sub { color: var(--ink); }

.lab-panels { position: relative; min-height: 400px; }
.lab-panel { display: none; animation: fadeIn .5s ease; }
.lab-panel.active { display: block; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Words */
.words-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.search-box {
  display: flex; align-items: center; gap: 10px;
  background: var(--paper);
  border: 1.2px solid var(--ink);
  border-radius: var(--radius-pill);
  padding: 10px 20px;
  flex: 1;
  max-width: 500px;
  box-shadow: 2px 2px 0 var(--ink);
}
.search-box input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  font-size: 14px;
  font-family: var(--sans);
}
.words-count {
  font-family: var(--serif);
  font-size: 13px;
  color: var(--ink-2);
}
/* ===== Words · 左右分栏：左词云 + 右详情小卡 ===== */
.words-split {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 28px;
  align-items: flex-start;
}

/* ===== Words · 词云（先扫一眼全貌） ===== */
.words-cloud-wrap {
  position: relative;
  background:
    radial-gradient(circle at 12% 18%, rgba(132, 209, 169, .22), transparent 55%),
    radial-gradient(circle at 92% 82%, rgba(140, 178, 232, .22), transparent 55%),
    var(--paper);
  border: 1.8px solid var(--ink);
  border-radius: 22px;
  padding: 28px 28px 22px;
  box-shadow: 5px 5px 0 var(--ink);
}
.words-cloud-head {
  display: flex;
  align-items: baseline;
  gap: 10px 18px;
  flex-wrap: wrap;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1.2px dashed var(--ink-3);
}
.words-cloud-kicker {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--ink);
  background: var(--candy-lemon);
  border: 1.2px solid var(--ink);
  border-radius: 999px;
  padding: 3px 12px;
}
.cloud-kicker-dot {
  width: 6px; height: 6px;
  background: var(--ink);
  border-radius: 50%;
  display: inline-block;
}
.words-cloud-title {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .5px;
}
.words-cloud-sub {
  font-family: var(--sans);
  font-size: 12.5px;
  color: var(--ink-3);
}

.words-cloud {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px 14px;
  padding: 6px 4px 2px;
  max-height: 60vh;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--ink-3) transparent;
}
.words-cloud::-webkit-scrollbar { width: 6px; }
.words-cloud::-webkit-scrollbar-thumb { background: var(--ink-3); border-radius: 999px; }

/* —— 单个词云按钮 —— */
.cloud-word {
  display: inline-flex;
  align-items: center;
  font-family: var(--serif);
  font-weight: 600;
  color: var(--ink);
  background: transparent;
  border: 1.4px solid transparent;
  border-radius: 999px;
  padding: 4px 12px;
  cursor: pointer;
  line-height: 1.25;
  transform: rotate(var(--rot, 0deg));
  transition: transform .2s, background .2s, color .2s, border-color .2s, box-shadow .2s;
  letter-spacing: .2px;
}
.cloud-word:hover {
  background: var(--paper);
  border-color: var(--ink);
  transform: rotate(0deg) translateY(-2px);
  box-shadow: 2px 2px 0 var(--ink);
}
.cloud-word.is-active {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
  transform: rotate(0deg) translateY(-1px);
  box-shadow: 3px 3px 0 var(--candy-coral-d, #d96b5a);
}

/* 4 档字号：明星词 → 极小词，逐级递减 */
.cloud-s1 { font-size: 26px; font-weight: 800; padding: 5px 14px; }
.cloud-s2 { font-size: 19px; font-weight: 700; padding: 4px 12px; }
.cloud-s3 { font-size: 15px; font-weight: 600; padding: 3px 10px; }
.cloud-s4 { font-size: 12.5px; font-weight: 500; padding: 3px 9px; color: var(--ink-2); }

/* 5 种糖果色：默认状态下用浅彩底色（hover 时变得更明显） */
.cloud-tone-mint  { color: var(--candy-mint-d,  #2f8f6a); }
.cloud-tone-sky   { color: var(--candy-sky-d,   #3a72c9); }
.cloud-tone-lilac { color: var(--candy-lilac-d, #7a55c9); }
.cloud-tone-coral { color: var(--candy-coral-d, #d96b5a); }
.cloud-tone-lemon { color: #b8870a; }
.cloud-tone-mint:hover  { background: var(--candy-mint);  color: var(--ink); }
.cloud-tone-sky:hover   { background: var(--candy-sky);   color: var(--ink); }
.cloud-tone-lilac:hover { background: var(--candy-lilac); color: var(--ink); }
.cloud-tone-coral:hover { background: var(--candy-coral); color: var(--ink); }
.cloud-tone-lemon:hover { background: var(--candy-lemon); color: var(--ink); }

@media (max-width: 720px) {
  .words-cloud-wrap { padding: 22px 18px 16px; border-radius: 18px; }
  .cloud-s1 { font-size: 24px; padding: 5px 13px; }
  .cloud-s2 { font-size: 18px; padding: 4px 11px; }
  .cloud-s3 { font-size: 14px; padding: 3px 9px; }
  .cloud-s4 { font-size: 12px; padding: 2px 8px; }
}

/* —— 词云底部小按钮（prev / shuffle / next） —— */
.words-cloud-foot {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1.2px dashed var(--ink-3);
}
.cloud-mini-btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--paper);
  border: 1.4px solid var(--ink);
  border-radius: 999px;
  padding: 6px 14px;
  font-family: var(--serif);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  box-shadow: 2px 2px 0 var(--ink);
  transition: transform .15s, box-shadow .15s, background .2s;
}
.cloud-mini-btn:hover {
  background: var(--candy-lemon);
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 var(--ink);
}
.cloud-mini-btn:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--ink);
}

/* ===== Words · 右侧详情小卡 ===== */
.word-detail-wrap {
  position: sticky;
  top: 92px;          /* 让右侧卡固定，左侧滚动也始终可见 */
  align-self: start;
}
.word-detail {
  position: relative;
  background: var(--paper);
  border: 1.8px solid var(--ink);
  border-radius: 22px;
  padding: 32px 26px 24px;
  min-height: 360px;
  box-shadow: 6px 6px 0 var(--ink);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform .35s cubic-bezier(.2,.8,.2,1), opacity .25s;
}
/* "投影边"——用 ::before 复用 .bubble-tone-* 的 --bubble-shadow */
.word-detail::before {
  content: '';
  position: absolute;
  inset: 8px -8px -8px 8px;
  border-radius: 22px;
  background: var(--bubble-shadow, var(--candy-mint));
  z-index: -1;
}

/* 进出场动画 */
.word-detail-wrap.is-leaving .word-detail {
  opacity: 0;
  transform: translateY(8px) rotate(-1deg);
}
.word-detail-wrap.is-entering .word-detail {
  animation: wdIn .38s cubic-bezier(.2,.8,.2,1);
}
@keyframes wdIn {
  from { opacity: 0; transform: translateY(-10px) rotate(1.5deg); }
  to   { opacity: 1; transform: translateY(0) rotate(0); }
}

/* 装饰：贴纸胶带 */
.word-detail-deco { pointer-events: none; }
.wd-tape {
  position: absolute;
  width: 78px; height: 18px;
  background: rgba(255, 200, 80, .55);
  border: 1px dashed rgba(0,0,0,.25);
  top: -10px;
}
.wd-tape-l { left: 24px; transform: rotate(-6deg); }
.wd-tape-r { right: 24px; transform: rotate(5deg); }

/* 大引号（继承 .bubble-quote 的样式，但调位置） */
.word-detail .bubble-quote {
  position: absolute;
  top: 14px; left: 22px;
  font-size: 78px;
  line-height: 1;
  color: var(--bubble-quote, var(--candy-mint-d));
  opacity: .85;
  font-family: Georgia, 'Noto Serif SC', serif;
  pointer-events: none;
  user-select: none;
}

/* meta 行：序号 + tag */
.word-detail-meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 22px;     /* 给左上角引号让位 */
  margin-bottom: 4px;
}
.word-detail-index {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--ink-3);
  background: rgba(255,255,255,.6);
  border: 1.2px solid var(--ink-3);
  border-radius: 999px;
  padding: 2px 10px;
}

/* 词名 */
.word-detail-name {
  font-family: var(--serif);
  font-size: 38px;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.1;
  margin: 4px 0 0;
  letter-spacing: .3px;
  word-break: break-word;
}
.word-detail-cn {
  font-family: var(--serif);
  font-size: 15px;
  color: var(--ink-2);
  margin-top: 2px;
}

/* "一句话" / "具体含义" 两段：marker 标签 + 段落 */
.word-detail-trans, .word-detail-desc {
  position: relative;
  background: rgba(255,255,255,.5);
  border: 1.4px dashed var(--ink-3);
  border-radius: 14px;
  padding: 14px 16px 14px 16px;
  margin-top: 6px;
}
.word-detail-trans { background: var(--bubble-tag-bg, rgba(255,255,255,.7)); border-style: solid; border-color: var(--ink); }
.wd-trans-marker, .wd-desc-marker {
  position: absolute;
  top: -10px; left: 12px;
  font-family: var(--sans);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 1.2px;
  background: var(--ink);
  color: #fff;
  border-radius: 999px;
  padding: 3px 10px;
}
.wd-desc-marker { background: var(--paper); color: var(--ink); border: 1.2px solid var(--ink); }

.word-detail-trans p {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.55;
  margin: 0;
}
.word-detail-desc p {
  font-family: var(--sans);
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.7;
  margin: 0;
}

/* 底部 hint + 下一个按钮 */
.word-detail-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 4px;
}
.wd-hint {
  font-family: var(--sans);
  font-size: 11.5px;
  color: var(--ink-3);
}
.word-detail .bubble-try {
  position: static;        /* 覆盖 .bubble-try 的 absolute 定位 */
}
.word-detail .bubble-try::after {
  display: none;           /* 详情卡里的"下一个"按钮不需要气泡尾巴 */
}

/* 响应式：桌面 → 平板（≤1024）→ 移动（≤720） */
@media (max-width: 1024px) {
  .words-split { grid-template-columns: 1fr; gap: 26px; }
  .word-detail-wrap { position: static; }
  .word-detail { min-height: auto; }
}
@media (max-width: 720px) {
  .word-detail { padding: 26px 20px 20px; box-shadow: 4px 4px 0 var(--ink); }
  .word-detail-name { font-size: 28px; }
  .word-detail-trans p { font-size: 15px; }
  .word-detail .bubble-quote { font-size: 60px; }
  .wd-tape { width: 60px; }
}

/* ===== Words · 对话气泡卡片网格（参考小红书黄色街拍 + 中午好对话卡） ===== */
.words-grid {
  display: block;
}

/* —— 顶部 greeting：圆脸 + 引述提示，给整个网格一个"开场" —— */
.bubbles-board { width: 100%; }
.bubbles-greeting {
  display: flex;
  align-items: center;
  gap: 18px;
  justify-content: center;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.bubbles-greeting-face {
  width: 88px; height: 88px;
  display: grid; place-items: center;
  background: var(--candy-lemon);
  border: 2px solid var(--ink);
  border-radius: 50%;
  box-shadow: 4px 4px 0 var(--ink);
  flex-shrink: 0;
  transform: rotate(-4deg);
}
.bubbles-greeting-face svg { display: block; }
.bubbles-greeting-text {
  display: flex; flex-direction: column; gap: 4px;
  font-family: var(--serif);
}
.bubbles-greeting-quote {
  font-size: 22px; font-weight: 700; color: var(--ink);
  letter-spacing: .5px;
}
.bubbles-greeting-sub {
  font-size: 13.5px; color: var(--ink-3);
  font-family: var(--sans);
}

/* —— 卡片网格 —— */
.bubbles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(248px, 1fr));
  gap: 22px 18px;
}

/* —— 单张气泡卡片 —— */
.bubble-card {
  position: relative;
  background: var(--paper);
  border: 1.8px solid var(--ink);
  border-radius: 22px;
  padding: 30px 20px 64px;          /* 底部留给「试试」气泡按钮 */
  min-height: 200px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform .28s cubic-bezier(.2,.8,.2,1), box-shadow .28s, background .25s;
  cursor: pointer;
  outline: none;
  /* 卡片自带一点活泼角度 */
  transform: rotate(var(--rot, -1.2deg));
}
.bubble-card:nth-child(2n)   { --rot:  1.4deg; }
.bubble-card:nth-child(3n)   { --rot: -.6deg; }
.bubble-card:nth-child(5n)   { --rot:  .9deg; }
.bubble-card:nth-child(7n)   { --rot: -1.6deg; }

.bubble-card::before {
  /* 描边外的浅彩"投影边"——形成图1卡片那种"双层描边"质感 */
  content: '';
  position: absolute;
  inset: 6px -6px -6px 6px;
  border-radius: 22px;
  background: var(--bubble-shadow, var(--candy-mint));
  z-index: -1;
  transition: inset .25s, background .25s;
}
.bubble-card:hover,
.bubble-card:focus-visible {
  transform: rotate(0deg) translate(-2px, -3px);
  box-shadow: 5px 5px 0 var(--ink);
}
.bubble-card:hover::before,
.bubble-card:focus-visible::before {
  inset: 8px -8px -8px 8px;
}

/* 大引号 */
.bubble-quote {
  position: absolute;
  top: 6px; left: 14px;
  font-family: Georgia, 'Noto Serif SC', serif;
  font-size: 56px;
  line-height: 1;
  color: var(--bubble-quote, var(--candy-mint-d));
  opacity: .85;
  pointer-events: none;
  user-select: none;
}

/* 头部：tag + 中文小注 */
.bubble-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 14px;
  gap: 8px;
  min-height: 22px;
}
.bubble-tag {
  display: inline-flex; align-items: center;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .5px;
  padding: 3px 10px;
  border: 1.2px solid var(--ink);
  border-radius: 999px;
  background: var(--bubble-tag-bg, #fff);
  color: var(--ink);
  white-space: nowrap;
}
.bubble-cn {
  font-size: 12px;
  color: var(--ink-3);
  font-family: var(--serif);
}

/* 词名 */
.bubble-name {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.2;
  margin: 4px 0 2px;
  word-break: break-word;
}

/* 一句话翻译——这是图1的"主台词" */
.bubble-trans {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.55;
  margin: 0;
  letter-spacing: .2px;
}

/* 详细解释（折叠） */
.bubble-desc {
  font-family: var(--sans);
  font-size: 12.5px;
  color: var(--ink-2);
  line-height: 1.55;
  margin: 4px 0 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height .35s ease, opacity .25s ease, margin .25s ease;
}
.bubble-card.is-open .bubble-desc {
  max-height: 240px;
  opacity: 1;
  margin-top: 8px;
}
.bubble-card.is-open {
  transform: rotate(0deg);
  box-shadow: 6px 6px 0 var(--ink);
  background: #fffbe9;
}
.bubble-card.is-open::before {
  inset: 8px -8px -8px 8px;
}

/* 底部黑色「试试」气泡按钮 */
.bubble-try {
  position: absolute;
  bottom: 14px; right: 14px;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px 7px 11px;
  background: var(--ink);
  color: #fff;
  border: none;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  box-shadow: 0 3px 0 rgba(0,0,0,.18);
  transition: transform .15s, background .2s;
  z-index: 2;
}
.bubble-try::after {
  /* 气泡的小尾巴 */
  content: '';
  position: absolute;
  left: 14px; bottom: -5px;
  width: 9px; height: 9px;
  background: var(--ink);
  border-radius: 0 0 0 4px;
  transform: rotate(45deg) skew(-6deg, -6deg);
}
.bubble-try:hover { transform: translateY(-1px); }
.bubble-try:active { transform: translateY(1px); box-shadow: 0 1px 0 rgba(0,0,0,.18); }
.bubble-try svg { color: #fff; }

/* —— 5 种糖果色调：背景"投影边" + 引号色 + tag 底色 —— */
.bubble-tone-mint   { --bubble-shadow: var(--candy-mint);   --bubble-quote: var(--candy-mint-d);   --bubble-tag-bg: #ECF7F1; }
.bubble-tone-sky    { --bubble-shadow: var(--candy-sky);    --bubble-quote: var(--candy-sky-d);    --bubble-tag-bg: #ECF3FA; }
.bubble-tone-lilac  { --bubble-shadow: var(--candy-lilac);  --bubble-quote: var(--candy-lilac-d);  --bubble-tag-bg: #F1ECFA; }
.bubble-tone-coral  { --bubble-shadow: var(--candy-coral);  --bubble-quote: var(--candy-coral-d);  --bubble-tag-bg: #FBEDE9; }
.bubble-tone-lemon  { --bubble-shadow: var(--candy-lemon);  --bubble-quote: var(--candy-lemon-d);  --bubble-tag-bg: #FFF4C5; }

/* 响应式 */
@media (max-width: 720px) {
  .bubbles-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 18px 14px; }
  .bubble-card { padding: 26px 16px 60px; min-height: 180px; }
  .bubble-name { font-size: 19px; }
  .bubble-trans { font-size: 14px; }
  .bubble-quote { font-size: 46px; }
  .bubbles-greeting-face { width: 72px; height: 72px; }
  .bubbles-greeting-quote { font-size: 18px; }
}

/* ===== Words · 旧版 词海 + 色卡 poster 双栏（保留以兼容） ===== */
.words-grid-legacy {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 32px;
  align-items: stretch;
}

/* ----- 左：词海 ----- */
.words-ocean-wrap {
  background:
    radial-gradient(circle at 0% 0%, rgba(255, 158, 44, .08), transparent 50%),
    radial-gradient(circle at 100% 100%, rgba(74, 137, 220, .06), transparent 60%),
    var(--paper);
  border: 1.4px solid var(--ink);
  border-radius: 16px;
  box-shadow: 5px 5px 0 var(--ink);
  padding: 22px 24px 18px;
  display: flex;
  flex-direction: column;
  min-height: 560px;
}
.words-ocean-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1.2px dashed var(--ink-3);
}
.words-ocean-tag {
  font-family: 'Inter', var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .2em;
  background: var(--ink);
  color: var(--warm);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}
.words-ocean-tip {
  font-family: var(--serif);
  font-size: 12.5px;
  color: var(--ink-3);
}
.words-ocean {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 4px 10px;
  padding: 12px 4px;
  overflow-y: auto;
  overflow-x: hidden;
  max-height: 540px;
  /* 滚动条美化 */
  scrollbar-width: thin;
  scrollbar-color: var(--ink-3) transparent;
}
.words-ocean::-webkit-scrollbar { width: 6px; }
.words-ocean::-webkit-scrollbar-track { background: transparent; }
.words-ocean::-webkit-scrollbar-thumb { background: var(--ink-3); border-radius: 3px; }

.ocean-word {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  font-family: 'Inter', var(--sans);
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  transition:
    color .25s,
    background .25s,
    border-color .25s,
    transform .35s cubic-bezier(.4,1.4,.6,1),
    opacity .25s;
  line-height: 1.3;
  white-space: nowrap;
  letter-spacing: -.005em;
}
.ocean-word:hover {
  background: var(--paper-2);
  border-color: var(--ink);
  opacity: 1 !important;
  transform: translateY(-2px) rotate(0deg) scale(1.06) !important;
  z-index: 2;
}
.ocean-word.is-active {
  background: var(--ink);
  color: var(--warm);
  border-color: var(--ink);
  opacity: 1 !important;
  font-weight: 700;
  box-shadow: 2px 2px 0 var(--ink-3);
  transform: translateY(-2px) rotate(0deg) scale(1.05) !important;
  z-index: 3;
}
.ocean-w-1 { font-weight: 400; }
.ocean-w-3 { font-weight: 600; }
.ocean-w-4 { font-weight: 700; }
.ocean-w-5 { font-weight: 800; }

/* tag → 词的颜色 */
.ocean-tag-agent    { color: #B86A00; }
.ocean-tag-model    { color: #2456A8; }
.ocean-tag-tech     { color: #4A36A8; }
.ocean-tag-create   { color: #B22F45; }
.ocean-tag-product  { color: #1B7A48; }
.ocean-tag-safety   { color: #B25022; }
.ocean-tag-eco      { color: #5C8523; }
.ocean-tag-infra    { color: #2C2C2C; }
.ocean-tag-industry { color: #8C2685; }
.ocean-tag-general  { color: var(--ink); }

/* 词海图例 */
.words-ocean-legend {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1.2px dashed var(--ink-3);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-family: var(--serif);
  font-size: 11.5px;
  color: var(--ink-3);
}
.words-ocean-legend span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.lg {
  width: 8px; height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.lg-agent    { background: #FFB23A; }
.lg-model    { background: #4A89DC; }
.lg-tech     { background: #7E5BEF; }
.lg-create   { background: #E94F64; }
.lg-product  { background: #2BB36A; }
.lg-safety   { background: #E67032; }
.lg-eco      { background: #7BAA3A; }
.lg-infra    { background: #2C2C2C; }
.lg-industry { background: #B43AA8; }

/* ----- 右：邮票徽章 poster ----- */
.words-poster-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding-top: 6px;
}
.poster-stack {
  position: relative;
  width: 100%;
  max-width: 340px;
  /* 上插画 + 下信息区 → 整屏可见 */
}
.poster-back {
  position: absolute;
  inset: 0;
  background: var(--paper);
  border: 1.4px solid var(--ink);
  border-radius: 28px;
  box-shadow: 4px 4px 0 var(--ink);
}
.poster-back-1 {
  transform: translate(8px, 10px) rotate(2deg);
  background: #FBF6E8;
}
.poster-back-2 {
  transform: translate(16px, 18px) rotate(3.6deg);
  background: #F4EFE0;
  opacity: .85;
}
.poster-front {
  position: relative;
  width: 100%;
  z-index: 2;
  transition: transform .45s cubic-bezier(.4,1.3,.5,1), opacity .25s;
}
.poster-front.is-leaving {
  transform: translateY(-14px) rotate(-1.2deg);
  opacity: 0;
}
.poster-front.is-entering {
  animation: poster-in .55s cubic-bezier(.3,1.4,.5,1) both;
}
@keyframes poster-in {
  0%   { transform: translateY(20px) rotate(2deg); opacity: 0; }
  60%  { opacity: 1; }
  100% { transform: translateY(0) rotate(0); opacity: 1; }
}

/* 整体卡片：纯色大圆角竖卡片（参考"全球指南"插画） */
.poster {
  width: 100%;
  background: var(--paper);
  border: 1.6px solid var(--ink);
  border-radius: 28px;
  box-shadow: 6px 6px 0 var(--ink);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  /* 内部不留白，让插画区直接占满上半 */
  padding: 0;
  gap: 0;
}

/* === 上：插画区（大块柔色） === */
.stamp {
  width: 100%;
  display: block;
  background: var(--p-bg);
  position: relative;
}
.stamp-paper {
  /* 不再用邮票锯齿 mask，改成纯色大圆角内部 */
  width: 100%;
  aspect-ratio: 1.7 / 1;
  position: relative;
  background: var(--p-bg);
  border-radius: 28px 28px 0 0;
  overflow: hidden;
}
.stamp-inner {
  position: relative;
  width: 100%;
  height: 100%;
  background: var(--p-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}
/* 主插画填充 */
.stamp-illu {
  width: 62%;
  height: 86%;
  position: relative;
  z-index: 2;
}
/* 顶部小英文标签（如 GLOBAL TRAVEL GUIDE 的位置感） */
.stamp-corner-tag {
  position: absolute;
  top: 16px;
  left: 18px;
  z-index: 3;
  font-family: 'Inter', var(--sans);
  font-weight: 700;
  font-size: 9.5px;
  letter-spacing: .22em;
  color: var(--p-deep);
  background: rgba(255, 255, 255, .55);
  padding: 4px 10px;
  border-radius: 999px;
  border: 1.4px solid var(--p-deep);
  text-transform: uppercase;
}
/* 兼容旧的 deco 元素：直接隐藏 */
.stamp-bg-deco { display: none; }

/* === 下：信息区（大粗体标题 + 描述 + chips） === */
.poster-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 20px 18px;
  background: var(--paper);
}
.poster-kicker {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', var(--sans);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--ink-3);
  text-transform: uppercase;
}
.poster-kicker-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  display: inline-block;
  border: 1.4px solid var(--ink);
}
.poster-kicker-cn {
  font-family: var(--serif);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--ink-2);
  background: var(--p-soft);
  border: 1px solid var(--p-deep);
  padding: 1px 8px;
  border-radius: 999px;
  margin-left: 2px;
  text-transform: none;
}
.poster-name {
  font-family: 'Inter', var(--sans);
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--ink);
  line-height: 1.0;
  margin: 6px 0 0;
  word-break: break-word;
}
.poster-cn {
  font-family: var(--serif);
  font-size: 13px;
  color: var(--ink-2);
  font-weight: 500;
  letter-spacing: .06em;
  margin-top: 2px;
}

/* 一句话 */
.poster-trans-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 10px;
  padding: 8px 12px;
  background: var(--p-soft);
  border: 1.4px solid var(--p-deep);
  border-radius: 10px;
  position: relative;
}
.poster-trans-row::before {
  content: '';
  position: absolute;
  left: 14px;
  top: -1.4px;
  width: 30%;
  height: 4px;
  background: var(--p-accent);
  border-radius: 0 0 4px 4px;
}
.poster-trans-label {
  flex-shrink: 0;
  font-family: var(--serif);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--p-deep);
  background: var(--paper);
  border: 1px solid var(--p-deep);
  border-radius: 4px;
  padding: 2px 6px;
  margin-top: 2px;
}
.poster-trans-text {
  font-family: var(--serif);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.45;
}

/* 详细解释 */
.poster-desc-block {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.poster-desc-label {
  font-family: 'Inter', var(--sans);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--ink-3);
  text-transform: uppercase;
}
.poster-desc {
  font-family: var(--serif);
  font-size: 12.5px;
  color: var(--ink-2);
  line-height: 1.55;
  margin: 0;
}

/* 关键词 chip */
.poster-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1.2px dashed var(--ink-3);
}
.poster-chip {
  font-family: 'Inter', var(--sans);
  font-size: 11px;
  font-weight: 600;
  color: var(--p-deep);
  background: var(--p-soft);
  padding: 3px 10px;
  border-radius: 999px;
  letter-spacing: .02em;
  border: 1px solid var(--p-deep);
}

/* 控制条 */
.poster-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}
.poster-ctrl {
  width: 38px; height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--paper);
  border: 1.2px solid var(--ink);
  border-radius: 50%;
  cursor: pointer;
  color: var(--ink);
  transition: all .2s;
  box-shadow: 2px 2px 0 var(--ink);
}
.poster-ctrl:hover {
  background: var(--ink);
  color: var(--warm);
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 var(--ink);
}
.poster-ctrl-shuffle {
  width: auto;
  border-radius: var(--radius-pill);
  padding: 0 16px;
  gap: 6px;
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 500;
}
.poster-progress {
  font-family: 'Inter', var(--sans);
  font-size: 13px;
  color: var(--ink-3);
  letter-spacing: .04em;
}
.poster-progress-sep { margin: 0 2px; opacity: .5; }
#poster-cur { color: var(--ink); font-weight: 700; }

/* 移动端：双栏改成上下；卡片缩小 */
@media (max-width: 920px) {
  .words-grid { grid-template-columns: 1fr; gap: 22px; }
  .words-ocean-wrap { min-height: 380px; }
  .words-ocean { max-height: 360px; }
  .poster-stack { max-width: 340px; margin: 0 auto; }
}
@media (max-width: 480px) {
  .words-ocean-tip { display: none; }
  .poster-stack { max-width: 300px; }
  .poster-name { font-size: 30px !important; }
}

.word-empty {
  grid-column: 1/-1;
  text-align: center;
  padding: 60px 20px;
  color: var(--ink-3);
  font-family: var(--serif);
}

/* ===== AI Map · 图谱式渲染 ===== */
.map-tree {
  background:
    radial-gradient(circle at 20% 0%, rgba(255, 158, 44, .08), transparent 50%),
    radial-gradient(circle at 80% 100%, rgba(74, 137, 220, .06), transparent 50%),
    var(--paper);
  border: 1.5px solid var(--ink);
  border-radius: 18px;
  padding: 44px 36px 36px;
  box-shadow: 6px 6px 0 var(--ink);
}
.map-canvas {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  position: relative;
}

/* 根节点 */
.map-root-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 4px;
}
.map-root {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 28px 14px 18px;
  background: var(--ink);
  color: var(--paper);
  border: 1.6px solid var(--ink);
  border-radius: 999px;
  box-shadow: 5px 5px 0 var(--warm);
  position: relative;
  z-index: 2;
}
.map-root-orb {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--warm);
  color: var(--ink);
  display: flex; align-items: center; justify-content: center;
  border: 1.6px solid var(--paper);
}
.map-root-orb svg { width: 26px; height: 26px; }
.map-root-text { display: flex; flex-direction: column; line-height: 1.2; }
.map-root-title {
  font-family: 'Inter', var(--sans);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.01em;
}
.map-root-sub {
  font-family: var(--serif);
  font-size: 12.5px;
  color: rgba(255, 244, 214, .7);
  margin-top: 2px;
}
.map-root-stem {
  display: block;
  width: 2px;
  height: 28px;
  background: var(--ink);
  position: relative;
}
.map-root-stem::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -2px;
  transform: translateX(-50%);
  width: 0; height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 7px solid var(--ink);
}

/* 两条主分支 */
.map-branches {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(0, 2.4fr);
  gap: 28px;
  margin-top: 6px;
}
.map-branch {
  background: var(--paper);
  border: 1.4px solid var(--ink);
  border-radius: 16px;
  padding: 22px 22px 24px;
  box-shadow: 4px 4px 0 var(--ink);
  position: relative;
}
.map-branch-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1.2px dashed var(--ink-3);
}
.map-branch-icon {
  width: 38px; height: 38px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 1.4px solid var(--ink);
}
.map-branch-icon svg { width: 22px; height: 22px; color: var(--ink); }
.map-branch-titles { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.map-branch-title {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}
.map-branch-sub {
  font-family: var(--serif);
  font-size: 12px;
  color: var(--ink-3);
}
.map-branch-old { background: #F2EFE8; }
.map-branch-old .map-branch-icon { background: #E0DBC8; }
.map-branch-new {
  background: linear-gradient(180deg, #FFF8E7 0%, var(--paper) 100%);
}
.map-branch-new .map-branch-icon {
  background: var(--warm);
}
.map-now-badge {
  align-self: flex-start;
  padding: 3px 10px;
  font-family: 'Inter', var(--sans);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .12em;
  background: var(--ink);
  color: var(--warm);
  border-radius: var(--radius-pill);
}

.map-branch-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.map-leaf {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--paper);
  border: 1.2px solid var(--ink);
  border-radius: var(--radius-pill);
  font-family: var(--serif);
  font-size: 13.5px;
  align-self: flex-start;
  box-shadow: 2px 2px 0 var(--ink);
}
.map-leaf-icon { display: inline-flex; }
.map-leaf-icon svg { width: 14px; height: 14px; color: var(--ink); }
.map-branch-note {
  margin-top: 4px;
  font-family: var(--serif);
  font-size: 12.5px;
  color: var(--ink-3);
  line-height: 1.6;
}

/* 关键链路 chain */
.map-chain {
  display: flex;
  align-items: stretch;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 22px;
  padding: 14px;
  background: var(--paper-2);
  border: 1.2px dashed var(--ink);
  border-radius: 12px;
}
.map-chain-node {
  flex: 1;
  min-width: 110px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 8px;
  background: var(--paper);
  border: 1.4px solid var(--ink);
  border-radius: 10px;
  position: relative;
  box-shadow: 2px 2px 0 var(--ink);
  transition: transform .2s;
}
.map-chain-node:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--ink); }
.map-chain-icon {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 1.2px solid var(--ink);
  background: var(--paper);
}
.map-chain-icon svg { width: 20px; height: 20px; color: var(--ink); }
.map-chain-name {
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  text-align: center;
  line-height: 1.3;
}
.map-chain-tone-a .map-chain-icon { background: #DCEAFB; }
.map-chain-tone-b .map-chain-icon { background: #E8E0FF; }
.map-chain-tone-c .map-chain-icon { background: #FFE7C2; }
.map-chain-tone-d .map-chain-icon { background: #D6F2E0; }
.map-chain-arrow {
  position: absolute;
  right: -19px;
  top: 50%;
  transform: translateY(-50%) rotate(-90deg);
  display: flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  background: var(--paper);
  border-radius: 50%;
  z-index: 1;
  color: var(--ink);
}

/* LLM 训练 pipeline */
.map-pipeline-wrap {
  margin-bottom: 22px;
}
.map-pipeline-label {
  display: inline-block;
  padding: 3px 12px;
  margin-bottom: 10px;
  font-family: 'Inter', var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--warm);
  border-radius: var(--radius-pill);
}
.map-pipeline {
  display: flex;
  align-items: stretch;
  gap: 6px;
  flex-wrap: wrap;
}
.map-step {
  flex: 1;
  min-width: 120px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--warm-soft);
  border: 1.2px solid var(--ink);
  border-radius: 10px;
  position: relative;
}
.map-step-num {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--warm);
  font-family: 'Inter', var(--sans);
  font-size: 11px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.map-step-icon { display: flex; }
.map-step-icon svg { width: 18px; height: 18px; color: var(--ink); }
.map-step-name {
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}
.map-step-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-3);
  flex-shrink: 0;
  width: 24px;
}

/* AI 对话时代 5 个产品 */
.map-chat-wrap {
  margin-bottom: 24px;
  padding: 18px 20px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 14px;
  position: relative;
  overflow: hidden;
}
.map-chat-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 0%, rgba(255, 158, 44, .25), transparent 60%);
  pointer-events: none;
}
.map-chat-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 14px;
  position: relative;
}
.map-chat-emoji { font-size: 18px; }
.map-chat-products {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  position: relative;
}
.map-product {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 6px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .15);
  border-radius: var(--radius-pill);
  transition: all .2s;
}
.map-product:hover {
  background: rgba(255, 255, 255, .15);
  transform: translateY(-2px);
}
.map-product-bubble {
  width: 26px; height: 26px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Inter', var(--sans);
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  border: 1.2px solid rgba(255,255,255,.4);
}
.map-product-name {
  font-family: var(--serif);
  font-size: 13px;
  color: var(--paper);
  font-weight: 500;
}

/* 现代 AI 主题卡区 */
.map-themes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}
.map-theme {
  padding: 18px;
  border: 1.4px solid var(--ink);
  border-radius: 14px;
  background: var(--paper);
  box-shadow: 3px 3px 0 var(--ink);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform .2s;
}
.map-theme:hover { transform: translate(-2px, -2px); box-shadow: 5px 5px 0 var(--ink); }
.map-theme-head {
  display: flex; align-items: center; gap: 10px;
}
.map-theme-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  border: 1.2px solid var(--ink);
}
.map-theme-icon svg { width: 20px; height: 20px; color: var(--ink); }
.map-theme-titles { display: flex; flex-direction: column; gap: 1px; }
.map-theme-title {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}
.map-theme-sub {
  font-family: var(--serif);
  font-size: 11.5px;
  color: var(--ink-3);
}
.map-theme-pink   { background: linear-gradient(180deg, #FFEDEF 0%, var(--paper) 70%); }
.map-theme-pink   .map-theme-icon { background: #FFD9DC; }
.map-theme-orange { background: linear-gradient(180deg, #FFF1DC 0%, var(--paper) 70%); }
.map-theme-orange .map-theme-icon { background: #FFE0B2; }
.map-theme-green  { background: linear-gradient(180deg, #E5F4EA 0%, var(--paper) 70%); }
.map-theme-green  .map-theme-icon { background: #C8EAD3; }

.map-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.map-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px 5px 8px;
  background: var(--paper);
  border: 1.1px solid var(--ink);
  border-radius: var(--radius-pill);
  font-family: var(--serif);
  font-size: 12px;
  color: var(--ink);
  transition: all .2s;
}
.map-chip:hover {
  background: var(--ink);
  color: var(--paper);
}
.map-chip:hover svg { color: var(--paper); }
.map-chip-icon { display: inline-flex; }
.map-chip-icon svg { width: 12px; height: 12px; color: var(--ink); }

.map-theme-foot {
  font-family: var(--serif);
  font-size: 12px;
  color: var(--ink-3);
  font-style: italic;
}

/* 图例 */
.map-legend {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--ink-3);
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: center;
}
.map-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--serif);
  font-size: 12px;
  color: var(--ink-3);
}
.map-legend-item .dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 1px solid var(--ink);
}
.dot-old { background: #E0DBC8; }
.dot-new { background: var(--warm); }
.dot-chain { background: #DCEAFB; }
.dot-product { background: #10A37F; }

/* 响应式 */
@media (max-width: 880px) {
  .map-tree { padding: 28px 16px 24px; }
  .map-branches { grid-template-columns: 1fr; gap: 18px; }
  .map-chain-arrow {
    position: static;
    transform: rotate(0);
    width: 100%;
    margin-top: -2px;
  }
  .map-chain { gap: 4px; }
  .map-chain-node { min-width: 100%; flex-direction: row; justify-content: flex-start; gap: 12px; }
  .map-chain-name { text-align: left; flex: 1; }
}

/* ============== Companies · 公司明信片墙 ============== */

/* === 顶部 Hero 横幅：「看看世界上有谁在做 AI」=== */
.biz-hero {
  position: relative;
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  padding: 26px 32px;
  margin-bottom: 0;
  background: linear-gradient(135deg, var(--paper) 0%, var(--paper-2) 100%);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius-card);
  box-shadow: 6px 6px 0 var(--ink);
  overflow: hidden;
}
/* 装饰：右上角细斜纹 */
.biz-hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 140px; height: 100%;
  background-image: repeating-linear-gradient(
    -45deg,
    transparent 0,
    transparent 7px,
    rgba(26,26,26,.05) 7px,
    rgba(26,26,26,.05) 8px
  );
  pointer-events: none;
}
/* 装饰：底部小波浪 */
.biz-hero::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 6px;
  background-image: linear-gradient(90deg,
    var(--ink) 0 12px, transparent 12px 24px,
    var(--ink) 24px 28px, transparent 28px 40px,
    var(--ink) 40px 60px, transparent 60px 72px
  );
  background-size: 72px 6px;
  opacity: .55;
  pointer-events: none;
}

.biz-hero-illu {
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}
.biz-hero-illu svg {
  width: 100%;
  height: 100%;
}

.biz-hero-text {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.biz-hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--ink-3);
  text-transform: uppercase;
}
.biz-hero-kicker-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent, #E8AD2C);
  border: 1px solid var(--ink);
}
.biz-hero-title {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.25;
  letter-spacing: .02em;
  margin: 2px 0 0;
}
.biz-hero-sub {
  font-family: var(--serif);
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.6;
  margin: 6px 0 0;
}

.biz-hero-meta {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 14px 22px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 14px;
  box-shadow: 3px 3px 0 var(--ink-3);
  min-width: 110px;
}
.biz-hero-meta-num {
  font-family: 'Inter', var(--sans);
  font-size: 38px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.02em;
}
.biz-hero-meta-label {
  font-family: var(--serif);
  font-size: 11px;
  margin-top: 4px;
  opacity: .85;
  letter-spacing: .04em;
}
.biz-hero-meta-flags {
  display: flex;
  gap: 6px;
  margin-top: 10px;
  font-size: 14px;
  filter: saturate(1.1);
}

/* === 横幅 → 筛选器之间的过渡桥接 === */
.biz-hero-bridge {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 14px 0 18px;
  padding: 0 8px;
}
.biz-hero-bridge-line {
  flex: 1;
  height: 1px;
  background: repeating-linear-gradient(
    to right,
    var(--ink-3) 0 4px,
    transparent 4px 8px
  );
  opacity: .7;
}
.biz-hero-bridge-tip {
  font-family: var(--serif);
  font-size: 12.5px;
  color: var(--ink-3);
  letter-spacing: .08em;
  white-space: nowrap;
  padding: 4px 12px;
  background: var(--paper-2);
  border: 1px solid var(--ink-3);
  border-radius: var(--radius-pill);
}

/* 响应式 */
@media (max-width: 980px) {
  .biz-hero {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 22px 20px;
    text-align: center;
  }
  .biz-hero-illu {
    width: 96px; height: 96px;
    margin: 0 auto;
  }
  .biz-hero-text { align-items: center; }
  .biz-hero-title { font-size: 22px; }
  .biz-hero-meta {
    flex-direction: row;
    gap: 14px;
    padding: 10px 16px;
  }
  .biz-hero-meta-label { margin-top: 0; }
  .biz-hero-meta-flags { margin-top: 0; }
}
@media (max-width: 640px) {
  .biz-hero { padding: 18px 16px; }
  .biz-hero-title { font-size: 19px; }
  .biz-hero-sub { font-size: 13px; }
  .biz-hero-meta-num { font-size: 30px; }
  .biz-hero-bridge-tip { font-size: 11.5px; padding: 3px 10px; }
}

.company-filter {
  display: flex; gap: 10px; flex-wrap: wrap;
  margin-bottom: 28px;
  justify-content: center;
}
.filter-chip {
  padding: 8px 20px;
  background: var(--paper);
  border: 1.2px solid var(--ink);
  border-radius: var(--radius-pill);
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 500;
  transition: all .2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.filter-chip:hover { background: var(--candy-lemon); transform: translateY(-1px); }
.filter-chip.active {
  background: var(--ink);
  color: var(--paper);
  box-shadow: 2px 2px 0 var(--ink-3);
}

/* 整个公司视角：左目录 + 右舞台 */
.company-grid {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 32px;
  align-items: stretch;
}

/* ---- 左：目录 ---- */
.biz-side {
  background:
    radial-gradient(circle at 0% 0%, rgba(255, 158, 44, .07), transparent 55%),
    var(--paper);
  border: 1.4px solid var(--ink);
  border-radius: 16px;
  box-shadow: 4px 4px 0 var(--ink);
  padding: 18px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-height: 720px;
}
.biz-side-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 0 6px 10px;
  border-bottom: 1.2px dashed var(--ink-3);
}
.biz-side-tag {
  font-family: 'Inter', var(--sans);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .25em;
  background: var(--ink);
  color: var(--warm);
  padding: 3px 8px;
  border-radius: 4px;
}
.biz-side-count {
  font-family: var(--serif);
  font-size: 11.5px;
  color: var(--ink-3);
}
.biz-side-list {
  flex: 1;
  overflow-y: auto;
  padding-right: 4px;
  scrollbar-width: thin;
  scrollbar-color: var(--ink-3) transparent;
}
.biz-side-list::-webkit-scrollbar { width: 5px; }
.biz-side-list::-webkit-scrollbar-thumb { background: var(--ink-3); border-radius: 3px; }
.biz-side-group { margin-bottom: 14px; }
.biz-side-group-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  margin-bottom: 6px;
  border-left: 3px solid var(--c-accent);
  background: linear-gradient(to right, rgba(0,0,0,.04), transparent);
  border-radius: 0 6px 6px 0;
}
.biz-side-group-flag { font-size: 16px; }
.biz-side-group-name {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 13px;
  color: var(--ink);
}
.biz-side-group-num {
  margin-left: auto;
  font-family: 'Inter', var(--sans);
  font-size: 10.5px;
  color: var(--ink-3);
  background: var(--paper-2);
  padding: 1px 6px;
  border-radius: 999px;
}
.biz-side-items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.biz-side-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-2);
  cursor: pointer;
  transition: all .2s;
  text-align: left;
}
.biz-side-item:hover {
  background: var(--c-soft, var(--paper-2));
  color: var(--ink);
  transform: translateX(2px);
}
.biz-side-item.is-active {
  background: var(--c-accent);
  color: #fff;
  font-weight: 700;
  border-color: var(--c-accent);
  box-shadow: 2px 2px 0 var(--ink);
  transform: translateX(2px);
}
.biz-side-item.is-active .biz-side-item-no { color: rgba(255,255,255,.6); }
.biz-side-item.is-active .biz-side-item-arrow { opacity: 1; transform: translateX(0); }
.biz-side-item-no {
  font-family: 'Inter', var(--sans);
  font-weight: 700;
  font-size: 10px;
  color: var(--ink-3);
  letter-spacing: .04em;
  width: 22px;
}
.biz-side-item-logo {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--logo-bg, var(--c-accent));
  color: var(--logo-fg, #fff);
  border: 1.2px solid var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.biz-side-item-logo .biz-logo-svg {
  width: 88%;
  height: 88%;
  display: block;
}
.biz-side-item.is-active .biz-side-item-logo {
  border-color: #fff;
  box-shadow: 0 0 0 1.5px rgba(255,255,255,.25);
}
.biz-side-item-name { flex: 1; }
.biz-side-item-arrow {
  opacity: 0;
  transform: translateX(-4px);
  transition: all .2s;
  font-size: 13px;
}
.biz-side-tip {
  padding: 8px 6px 0;
  border-top: 1.2px dashed var(--ink-3);
  font-family: var(--serif);
  font-size: 11px;
  color: var(--ink-3);
  text-align: center;
}
.kbd-mini {
  display: inline-block;
  padding: 1px 5px;
  border: 1px solid var(--ink-3);
  border-radius: 3px;
  font-family: 'Inter', var(--sans);
  font-size: 10px;
  margin: 0 1px;
}

/* ---- 右：舞台 + 球星卡 ---- */
.biz-stage {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 12px 0;
}
.biz-stage-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.biz-stage-shape {
  position: absolute;
  border-radius: 50%;
  opacity: .15;
}
.biz-stage-shape-1 {
  width: 220px; height: 220px;
  background: var(--accent);
  top: -40px; left: -30px;
}
.biz-stage-shape-2 {
  width: 180px; height: 180px;
  background: #4A89DC;
  bottom: -30px; right: -20px;
}
.biz-stage-shape-3 {
  width: 100px; height: 100px;
  background: #B22F45;
  top: 40%; right: 30%;
  opacity: .08;
}
.biz-stage-front {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 540px;
  transition: transform .45s cubic-bezier(.4,1.3,.5,1), opacity .25s;
}
.biz-stage-front.is-leaving {
  transform: translateY(-12px) rotate(-1deg);
  opacity: 0;
}
.biz-stage-front.is-entering {
  animation: biz-card-in .55s cubic-bezier(.3,1.4,.5,1) both;
}
@keyframes biz-card-in {
  0%   { transform: translateY(20px) rotate(2deg) scale(.96); opacity: 0; }
  60%  { opacity: 1; }
  100% { transform: translateY(0) rotate(0) scale(1); opacity: 1; }
}

/* ---- 球星卡本体 ---- */
.biz-card {
  position: relative;
  width: 100%;
  background:
    repeating-linear-gradient(135deg, rgba(0,0,0,.012) 0 2px, transparent 2px 6px),
    var(--paper);
  border: 1.6px solid var(--ink);
  border-radius: 22px;
  box-shadow: 6px 6px 0 var(--ink);
  padding: 22px 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow: hidden;
}
.biz-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 6px;
  background: linear-gradient(to right, var(--c-accent) 0%, var(--c-accent) 60%, var(--c-deep) 60%, var(--c-deep) 100%);
}
.biz-card::after {
  content: '';
  position: absolute;
  top: 14px; right: -30px;
  width: 120px; height: 22px;
  background: var(--c-accent);
  transform: rotate(35deg);
  opacity: .12;
}
.biz-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.biz-card-stamp {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 12px 4px 8px;
  background: var(--c-soft);
  border: 1.4px solid var(--c-deep);
  border-radius: 999px;
  font-family: 'Inter', var(--sans);
  font-size: 11px;
  font-weight: 700;
  color: var(--c-deep);
  letter-spacing: .12em;
}
.biz-card-flag { font-size: 16px; line-height: 1; }
.biz-card-no {
  font-family: 'Inter', var(--sans);
  font-size: 11px;
  font-weight: 700;
  color: var(--ink-3);
  letter-spacing: .15em;
  background: var(--paper-2);
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px dashed var(--ink-3);
}

/* hero 区：左 logo + 右标题 */
.biz-card-hero {
  display: flex;
  gap: 18px;
  align-items: stretch;
  padding: 4px 0 4px;
}
.biz-card-logo {
  position: relative;
  flex-shrink: 0;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  /* 使用公司专属品牌色（由 inline style 注入），兜底为地区色 */
  background: var(--logo-bg, var(--c-accent));
  color: var(--logo-fg, #fff);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Inter', var(--sans);
  font-weight: 900;
  font-size: 38px;
  letter-spacing: -.02em;
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  overflow: hidden;
}
.biz-card-logo-inner {
  position: relative;
  z-index: 2;
  width: 78%;
  height: 78%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.biz-card-logo-inner .biz-logo-svg {
  width: 100%;
  height: 100%;
  display: block;
}
.biz-card-logo-text {
  position: relative;
  z-index: 2;
  text-transform: uppercase;
}
.biz-card-logo-orbit {
  position: absolute;
  inset: -16px;
  width: calc(100% + 32px);
  height: calc(100% + 32px);
  color: var(--c-deep);
  opacity: .35;
  animation: biz-orbit 22s linear infinite;
}
@keyframes biz-orbit {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
.biz-card-title {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  min-width: 0;
}
.biz-card-name {
  font-family: 'Inter', var(--sans);
  font-weight: 900;
  font-size: 30px;
  color: var(--ink);
  line-height: 1.05;
  letter-spacing: -.02em;
  word-break: break-word;
}
.biz-card-slogan {
  font-family: var(--serif);
  font-size: 13.5px;
  color: var(--ink-2);
  font-style: italic;
  line-height: 1.4;
  margin-top: 2px;
}
.biz-card-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 8px;
}
.biz-card-chip {
  font-family: 'Inter', var(--sans);
  font-size: 10.5px;
  font-weight: 600;
  color: var(--c-deep);
  background: var(--c-soft);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--c-deep);
  letter-spacing: .02em;
}

/* TL;DR */
.biz-card-tldr {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  background: var(--paper-2);
  border-left: 4px solid var(--c-accent);
  border-radius: 0 10px 10px 0;
}
.biz-card-tldr-mark {
  flex-shrink: 0;
  font-family: 'Inter', var(--sans);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .14em;
  color: var(--c-deep);
  background: var(--paper);
  border: 1.2px solid var(--c-deep);
  padding: 2px 6px;
  border-radius: 3px;
  margin-top: 1px;
}
.biz-card-tldr p {
  margin: 0;
  font-family: var(--serif);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.5;
}

/* 字段格 */
.biz-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.biz-card-cell {
  background: var(--paper);
  border: 1.2px solid var(--ink);
  border-radius: 10px;
  padding: 9px 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
}
.biz-card-cell::before {
  content: '';
  position: absolute;
  top: 6px;
  right: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
}
.biz-card-cell-label {
  font-family: 'Inter', var(--sans);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--ink-3);
  text-transform: uppercase;
}
.biz-card-cell-value {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.3;
}
.biz-card-cell-posi {
  font-family: var(--serif);
  font-weight: 600;
}
.biz-pill {
  display: inline-block;
  padding: 2px 8px;
  background: var(--paper-2);
  border: 1px solid var(--ink-3);
  border-radius: 4px;
  font-size: 11.5px;
  font-weight: 600;
}
.biz-pill.is-product {
  background: var(--c-soft);
  border-color: var(--c-deep);
  color: var(--c-deep);
}
.biz-tag-source {
  display: inline-block;
  padding: 2px 10px;
  background: var(--ink);
  color: var(--warm);
  border-radius: 4px;
  font-family: 'Inter', var(--sans);
  font-size: 11.5px;
  font-weight: 700;
}

/* 卡片底部装饰 */
.biz-card-foot {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 6px;
  border-top: 1.2px dashed var(--ink-3);
}
.biz-card-foot-line {
  flex: 1;
  height: 1px;
  background: repeating-linear-gradient(to right, var(--ink-3) 0 4px, transparent 4px 8px);
}
.biz-card-foot-text {
  font-family: 'Inter', var(--sans);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: .3em;
  color: var(--ink-3);
}

/* 控制条 */
.biz-stage-controls {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 10px;
}
.biz-ctrl {
  width: 38px; height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--paper);
  border: 1.2px solid var(--ink);
  border-radius: 50%;
  cursor: pointer;
  color: var(--ink);
  transition: all .2s;
  box-shadow: 2px 2px 0 var(--ink);
}
.biz-ctrl:hover {
  background: var(--ink);
  color: var(--warm);
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 var(--ink);
}
.biz-ctrl-shuffle {
  width: auto;
  border-radius: var(--radius-pill);
  padding: 0 16px;
  gap: 6px;
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 500;
}
.company-empty {
  padding: 60px 24px;
  text-align: center;
  color: var(--ink-3);
  font-family: var(--serif);
}

/* 响应式 */
@media (max-width: 920px) {
  .company-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .biz-side { max-height: none; order: 2; }
  .biz-stage { order: 1; }
  .biz-side-list { max-height: 240px; }
}
@media (max-width: 560px) {
  .biz-card { padding: 18px 18px 16px; }
  .biz-card-hero { gap: 12px; }
  .biz-card-logo { width: 80px; height: 80px; font-size: 28px; }
  .biz-card-name { font-size: 24px; }
  .biz-card-grid { grid-template-columns: 1fr; }
}

/* Content view */
.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
}
.content-card {
  background: var(--paper);
  border: 1.2px solid var(--ink);
  border-radius: 12px;
  padding: 22px 22px 18px;
  box-shadow: 4px 4px 0 var(--ink);
  transition: all .25s;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.content-card:hover {
  transform: translate(-2px,-3px);
  box-shadow: 6px 7px 0 var(--ink);
}
.content-icon {
  font-size: 32px;
  width: 56px; height: 56px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent-soft);
  border: 1.2px solid var(--ink);
  border-radius: 12px;
}
.content-card.c-img .content-icon { background: var(--warm-soft); }
.content-card.c-video .content-icon { background: #d8e8c5; }
.content-card.c-audio .content-icon { background: #f0d8e0; }
.content-card.c-music .content-icon { background: #e0d4f0; }
.content-card.c-code .content-icon { background: #d4e8e8; }
.content-card.c-web .content-icon { background: var(--accent-soft); }
.content-card.c-ppt .content-icon { background: var(--warm-soft); }
.content-card.c-doc .content-icon { background: #d8e8c5; }
.content-card.c-agent .content-icon { background: #f0d8e0; }
.content-card.c-avatar .content-icon { background: #e0d4f0; }
.content-card.c-3d .content-icon { background: #d4e8e8; }
.content-tools {
  font-size: 12px;
  color: var(--ink-2);
  display: flex; flex-wrap: wrap; gap: 6px;
}
.content-tool-chip {
  padding: 2px 8px;
  background: var(--bg-2);
  border-radius: 6px;
  border: 1px solid var(--line-soft);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12.5px;
  color: var(--ink-2);
  text-decoration: none;
  transition: background .18s, border-color .18s, color .18s, transform .18s, box-shadow .18s;
}
.content-tool-chip.is-link {
  cursor: pointer;
  background: var(--paper, #fff);
  border-color: var(--ink-3, #c2bcb1);
  color: var(--ink, #1a1a1a);
}
.content-tool-chip.is-link .chip-arrow {
  opacity: .5;
  transition: transform .2s, opacity .2s;
}
.content-tool-chip.is-link:hover {
  background: var(--candy-lemon, #fff4d6);
  border-color: var(--ink, #1a1a1a);
  color: var(--ink, #1a1a1a);
  transform: translate(-1px, -1px);
  box-shadow: 2px 2px 0 var(--ink, #1a1a1a);
}
.content-tool-chip.is-link:hover .chip-arrow {
  opacity: 1;
  transform: translate(2px, -2px);
}
.content-tool-chip.is-link:active {
  transform: translate(1px, 1px);
  box-shadow: none;
}
.content-tool-chip.is-link:focus-visible {
  outline: 2px solid var(--ink, #1a1a1a);
  outline-offset: 2px;
}
.content-cat {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 17px;
}
.content-desc {
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.65;
}

/* ===== Insight ===== */
.insight-grid {
  display: flex;
  flex-direction: column;
  gap: 60px;
}
.insight-group {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.insight-group-head {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 4px;
}
.insight-group-num {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 600;
  color: var(--ink);
  background: var(--candy-mint, #d8e8c5);
  border: 1.5px solid var(--ink);
  border-radius: 12px;
  padding: 6px 16px;
  box-shadow: 3px 3px 0 var(--ink);
  flex-shrink: 0;
  letter-spacing: .04em;
}
.insight-group:nth-child(2) .insight-group-num {
  background: var(--candy-coral, #f3c5b3);
}
.insight-group-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex-shrink: 0;
}
.insight-group-title {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .02em;
}
.insight-group-sub {
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.6;
}
.insight-group-line {
  flex: 1;
  height: 1px;
  background-image: linear-gradient(to right, var(--ink-3, #c2bcb1) 50%, transparent 50%);
  background-size: 8px 1px;
  background-repeat: repeat-x;
  opacity: .6;
  min-width: 40px;
}
.insight-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 22px;
}
.insight-card {
  background: var(--paper);
  border: 1.2px solid var(--ink);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 4px 4px 0 var(--ink);
  transition: all .25s;
  display: flex;
  flex-direction: column;
}
.insight-card:hover {
  transform: translate(-3px,-4px);
  box-shadow: 7px 8px 0 var(--ink);
}
.insight-cover {
  height: 200px;
  background: linear-gradient(135deg, var(--accent-soft), var(--warm-soft));
  position: relative;
  display: flex; align-items: center; justify-content: center;
  border-bottom: 1.2px solid var(--ink);
  overflow: hidden;
}
.insight-cover::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 20% 30%, rgba(255,255,255,.5) 0%, transparent 30%),
    radial-gradient(circle at 80% 70%, rgba(255,255,255,.3) 0%, transparent 30%);
}
/* —— 课程卡封面：视频感 —— */
.insight-cover-course {
  height: 175px;
}
/* 真实封面图：铺满，作为整张卡的底图（课程卡 & 创作者卡通用） */
.insight-cover-course .insight-cover-img,
.insight-cover .insight-cover-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  z-index: 0;
  display: block;
  opacity: 0;
  transition: opacity 0.4s ease-out;
}
.insight-cover-course .insight-cover-img[src],
.insight-cover .insight-cover-img[src] {
  animation: coverFadeIn 0.5s ease-out forwards;
}
@keyframes coverFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
/* 有封面图时：移除底层渐变高光叠加，让封面图干净完整展示 */
.insight-cover-course.has-cover-image::before,
.insight-cover.has-cover-image::before {
  content: none;
}
.insight-card-course .insight-cover-emoji {
  position: absolute;
  left: 18px;
  bottom: 14px;
  font-size: 38px;
  z-index: 1;
  filter: drop-shadow(2px 2px 0 rgba(0,0,0,.08));
}
.insight-cover-play {
  position: relative;
  z-index: 2;
  width: 60px;
  height: 60px;
  border-radius: 999px;
  background: var(--paper);
  border: 2px solid var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 3px 3px 0 var(--ink);
  color: var(--ink);
  transition: transform .3s ease;
}
.insight-cover-play svg { width: 26px; height: 26px; margin-left: 3px; }
.insight-card-course:hover .insight-cover-play {
  transform: scale(1.08);
}
.insight-type-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--ink, #1a1a1a);
  color: var(--paper, #fff);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 600;
  z-index: 2;
  letter-spacing: .04em;
}
.insight-avatar {
  width: 90px; height: 90px;
  border-radius: 999px;
  background: var(--paper);
  border: 2px solid var(--ink);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 26px;
  color: var(--ink);
  position: relative;
  z-index: 1;
  box-shadow: 4px 4px 0 var(--ink);
}
.insight-platform {
  position: absolute;
  top: 14px; right: 14px;
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 600;
  z-index: 2;
}
.insight-body {
  padding: 20px 22px;
  display: flex; flex-direction: column; gap: 10px;
  flex: 1;
}
.insight-author {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-2, #6b665d);
}
.insight-name {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
}
.insight-tagline {
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.65;
  flex: 1;
}
.insight-meta-line {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--ink-2);
  padding: 6px 0;
  border-top: 1px dashed var(--line-soft, #d8d3c8);
  border-bottom: 1px dashed var(--line-soft, #d8d3c8);
}
.insight-duration {
  font-family: var(--serif);
  letter-spacing: .02em;
}
.insight-tags {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: 4px;
}
.insight-chip {
  font-size: 11px;
  padding: 3px 10px;
  background: var(--bg-2);
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-soft);
  color: var(--ink-2);
}
.insight-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 8px;
  padding: 8px 14px;
  background: var(--accent);
  border: 1.2px solid var(--ink);
  border-radius: var(--radius-pill);
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 600;
  align-self: flex-start;
  box-shadow: 2px 2px 0 var(--ink);
  transition: all .2s;
}
.insight-link:hover {
  transform: translate(-1px,-1px);
  box-shadow: 3px 3px 0 var(--ink);
}

/* ===== Footer ===== */
.site-footer {
  border-top: 1.5px dashed var(--ink);
  margin-top: 80px;
  padding: 60px 32px 40px;
  text-align: center;
  font-family: var(--serif);
  color: var(--ink-2);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.footer-brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 600;
  color: var(--ink);
  font-size: 15px;
}
.footer-quote {
  font-size: 14px;
  font-style: italic;
  color: var(--ink-3);
}
.footer-copy {
  font-size: 12px;
  color: var(--ink-3);
  margin-top: 4px;
  letter-spacing: .5px;
}

/* ===== Reveal animation on scroll ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s ease, transform 1s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .lab-tabs { grid-template-columns: repeat(2, 1fr); }
  .nav-links { gap: 10px; }
  .pill { padding: 10px 18px; font-size: 13px; }
}
@media (max-width: 640px) {
  .nav-inner { padding: 0 18px; }
  .brand-name { display: none; }
  .pill-text { font-size: 12.5px; }
  .pill { padding: 9px 14px; }
  .pill-plus { display: none; }
  .hero { padding: 130px 20px 60px; }
  .section { padding: 100px 20px 60px; }
  .illu-tag-1 { left: 0; }
  .illu-tag-2 { right: 0; }
  .lab-tabs { grid-template-columns: 1fr; }
  .map-tree { padding: 24px 18px; font-size: 13px; }
  .footer-brand .brand-dot { box-shadow: 0 0 0 3px var(--bg), 0 0 0 4px var(--ink); }

  /* Pulse 时间轴：小屏紧凑 */
  .pulse-item { grid-template-columns: 56px 24px 1fr; }
  .pulse-time { font-size: 16px; }
  .pulse-day-head { padding-left: 64px; }
  .pulse-day-text { font-size: 18px; }
  .pulse-card-col { padding-left: 12px; padding-bottom: 22px; }
  .pulse-card-new { padding: 14px 16px 12px; }
  .pulse-title-new { font-size: 16px; }
  .pulse-toolbar { padding: 12px 16px; border-radius: 18px; }
  .pulse-hint { display: none; }
}

/* ===== Illustrations - 手绘插画装饰 ===== */
/* 通用 SVG 容器 */
[data-illu] svg {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
}
[data-illu] svg * {
  vector-effect: non-scaling-stroke;
}

/* 给所有插画一个微微的"颗粒/手绘"质感（描边略柔） */
[data-illu] svg [stroke="#1a1a1a"] {
  stroke: #1f1f1f;
}

/* Hero 装饰：右上角纸飞机 + 左下角小花 */
.hero-deco {
  position: absolute;
  pointer-events: none;
  opacity: .85;
}
.hero-deco-plane {
  top: 100px;
  right: 6%;
  width: 140px;
  height: 90px;
  animation: floatY 6s ease-in-out infinite;
}
.hero-deco-sprout {
  bottom: 30px;
  left: 5%;
  width: 56px;
  height: 70px;
  opacity: .7;
  animation: floatY 5s ease-in-out infinite reverse;
}

@keyframes floatY {
  0%,100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(-2deg); }
}

/* Section head 与插画并列布局 */
.section-head-with-illu {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 48px;
  max-width: var(--max-w);
  margin: 0 auto 60px;
  padding-right: 0;
}
.section-head-with-illu.reverse {
  grid-template-columns: auto 1fr;
}
.section-head-with-illu .section-head-text {
  /* 让标题文本可以保持原宽度 */
  max-width: 720px;
}
.section-head-with-illu .section-illu {
  width: 200px;
  height: 200px;
  flex-shrink: 0;
  opacity: 0;
  transform: translateY(20px) rotate(-3deg);
  transition: opacity 1.1s ease .15s, transform 1.1s ease .15s;
}
.section-head-with-illu.in-view .section-illu,
.section-head-with-illu .section-illu.in-view {
  opacity: 1;
  transform: translateY(0) rotate(0deg);
}
/* 让 section-illu 跟随 section-head 的 reveal */
.section-head-with-illu.reveal .section-illu { opacity: 0; transform: translateY(20px) rotate(-3deg); }
.section-head-with-illu.reveal.in-view .section-illu { opacity: 1; transform: translateY(0) rotate(0deg); }

.section-illu:hover svg {
  animation: wiggle 1.2s ease-in-out;
}
@keyframes wiggle {
  0%,100% { transform: rotate(0deg); }
  25% { transform: rotate(-4deg); }
  75% { transform: rotate(4deg); }
}

/* Lab panel 内的插画提示行 */
.panel-illu-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
  padding: 18px 22px;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius-card);
  box-shadow: 4px 4px 0 var(--ink);
  max-width: 460px;
}
.panel-illu {
  display: block;
  width: 64px;
  height: 64px;
  flex-shrink: 0;
}
.panel-illu-tip {
  font-family: var(--serif);
  font-size: 15px;
  color: var(--ink);
  font-weight: 500;
  letter-spacing: .02em;
}

/* Footer 的小插画 */
.footer-illu {
  width: 100px;
  height: 100px;
  margin-bottom: 8px;
  opacity: .85;
}

/* 响应式：插画在小屏幕上隐藏或缩小 */
@media (max-width: 980px) {
  .section-head-with-illu {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .section-head-with-illu.reverse { grid-template-columns: 1fr; }
  .section-head-with-illu .section-illu {
    width: 140px;
    height: 140px;
    margin: 0 auto;
    order: 2;
  }
  .section-head-with-illu .section-head-text { order: 1; }
  .section-head-with-illu.reverse .section-illu { order: 1; }
  .section-head-with-illu.reverse .section-head-text { order: 2; }

  .hero-deco-plane { width: 100px; height: 60px; top: 90px; right: 4%; }
  .hero-deco-sprout { width: 40px; height: 50px; }
}
@media (max-width: 640px) {
  .panel-illu { width: 48px; height: 48px; }
  .panel-illu-tip { font-size: 13.5px; }
  .panel-illu-wrap { padding: 14px 16px; }
  .footer-illu { width: 80px; height: 80px; }
}

/* ===== 切换式路由（点击 Tab 切换 Section） ===== */
/* 隐藏 hidden 的 section，并禁掉它内部交互 */
[hidden] { display: none !important; }

/* section 进场动画：淡入 + 上滑 */
.section.is-entering,
.hero.is-entering {
  animation: pageEnter .55s cubic-bezier(.22,.94,.32,1.05) both;
}
@keyframes pageEnter {
  0%   { opacity: 0; transform: translateY(18px) scale(.995); filter: blur(4px); }
  60%  { opacity: 1; filter: blur(0); }
  100% { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
}

/* 子页面（pulse / lab / insight）切到顶部时，给一个最小高度，避免突变 */
#pulse.is-active,
#lab.is-active,
#insight.is-active {
  min-height: calc(100vh - 80px);
  padding-top: 130px; /* 留出 nav 空间 */
}

/* 导航 pill：激活态突出 */
.pill.active {
  background: var(--ink);
  color: var(--bg);
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 var(--warm);
}
.pill.active:hover {
  background: var(--ink);
  color: var(--bg);
  box-shadow: 5px 5px 0 var(--warm);
}
.pill.active .pill-plus {
  background: var(--warm);
  color: var(--ink);
  border-color: var(--ink);
}

/* Hero CTA（取代向下滚动） */
.hero-cta {
  margin-top: 40px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.hero-enter {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: var(--ink);
  color: var(--bg);
  font-family: var(--serif);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: .05em;
  border: 1.5px solid var(--ink);
  border-radius: var(--radius-pill);
  box-shadow: 5px 5px 0 var(--warm);
  transition: transform .25s ease, box-shadow .25s ease, background .25s;
}
.hero-enter:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--warm);
  background: var(--accent);
  color: var(--ink);
}
.hero-enter:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--warm);
}
.hero-enter svg { transition: transform .3s; }
.hero-enter:hover svg { transform: translateX(4px); }

.hero-enter-hint {
  font-family: var(--serif);
  font-size: 13px;
  color: var(--ink-3);
  letter-spacing: .02em;
}
.kbd-mini {
  display: inline-block;
  padding: 1px 8px;
  margin: 0 2px;
  background: var(--paper);
  border: 1px solid var(--ink);
  border-radius: 6px;
  font-size: 12px;
  color: var(--ink);
  font-weight: 600;
  font-family: var(--sans);
}

/* footer 在子页面也显示，但保持简洁；为子页面增加底部留白 */
#pulse.is-active + #lab,
#lab.is-active + #insight {
  /* 已 hidden，无需特殊处理 */
}

/* 进入子页面时，关掉 hero 的所有滚动相关装饰，避免抖动 */
.hero[hidden] ~ * { /* 占位 */ }

/* 移动端 active pill 调整 */
@media (max-width: 640px) {
  #pulse.is-active,
  #lab.is-active,
  #insight.is-active {
    padding-top: 100px;
  }
  .hero-cta { margin-top: 28px; }
  .hero-enter { padding: 14px 28px; font-size: 15px; }
  .hero-enter-hint { font-size: 12px; max-width: 80%; text-align: center; }
}

/* ===== 返回首页按钮（仅在子页面显示） ===== */
.nav-back {
  display: none;
  align-items: center;
  gap: 8px;
  margin-left: -8px;
  padding: 8px 16px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .04em;
  border: 1.5px solid var(--ink);
  border-radius: var(--radius-pill);
  box-shadow: 2px 2px 0 var(--ink);
  transition: transform .2s, box-shadow .2s, background .2s;
  cursor: pointer;
}
.nav-back:hover {
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 var(--ink);
  background: var(--bg-2);
}
.nav-back:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--ink);
}
.nav-back svg { transition: transform .25s; }
.nav-back:hover svg { transform: translateX(-3px); }

/* 子页面激活时显示返回按钮，并隐藏 brand-name（让出空间，但 logo 保留） */
body:has(#pulse.is-active) .nav-back,
body:has(#lab.is-active) .nav-back,
body:has(#insight.is-active) .nav-back {
  display: inline-flex;
  animation: pageEnter .35s ease both;
}
/* 兼容不支持 :has 的浏览器：用 JS 加 .show-back 类（见 main.js initRouter） */
.nav.show-back .nav-back { display: inline-flex; }

@media (max-width: 640px) {
  .nav-back span { display: none; }
  .nav-back { padding: 8px 12px; }
}

/* ===== Pulse · 今日强调 + 历史"显示更多" ===== */
/* 日期头：现在是普通区块（不再是按钮） */
.pulse-day-head {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-left: 88px;
  padding-top: 8px;
  padding-bottom: 8px;
  margin-bottom: 16px;
  border-radius: 8px;
}

/* TODAY 徽标 */
.pulse-day-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  background: var(--ink);
  color: var(--bg);
  font-family: 'Inter', var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  border-radius: var(--radius-pill);
  box-shadow: 2px 2px 0 var(--warm);
  flex-shrink: 0;
}

/* 今日组：日期文字加大 + 加色 */
.pulse-day.is-today .pulse-day-text {
  font-size: 26px;
  color: var(--ink);
}
.pulse-day.is-today .pulse-day-text::before {
  background: var(--warm);
  width: 14px;
  height: 14px;
  box-shadow: 0 0 0 4px rgba(255, 107, 61, .25);
  animation: todayPulse 2s ease-in-out infinite;
}
@keyframes todayPulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(255, 107, 61, .25); }
  50%      { box-shadow: 0 0 0 8px rgba(255, 107, 61, .12); }
}
.pulse-day.is-today .pulse-day-count {
  background: var(--warm);
  color: #fff;
  border-color: var(--warm);
  font-weight: 600;
}

/* 全部分组的 items 都是 flex 列布局（今日组 / 历史组都正常显示前 N 条） */
.pulse-day .pulse-items {
  display: flex;
  flex-direction: column;
}

/* 今日组的卡片增加一点存在感 */
.pulse-day.is-today .pulse-card-new {
  border-width: 2px;
  box-shadow: 5px 6px 0 var(--ink);
}

/* ===== 历史组「显示更多」折叠区 ===== */
/* 默认折叠：高度 0，透明，不可交互 */
.pulse-more {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .5s cubic-bezier(.22,.94,.32,1.05), opacity .35s;
  opacity: 0;
}
.pulse-more-inner {
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* 展开 */
.pulse-day.is-more-open .pulse-more {
  grid-template-rows: 1fr;
  opacity: 1;
}
.pulse-day.is-more-open .pulse-more-inner {
  overflow: visible;
}

/* 「查看剩余 N 条」按钮 */
.pulse-more-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 12px 0 18px;
  margin-left: 116px; /* 与卡片左缘对齐（time 80 + axis 36） */
  padding: 0;
  background: transparent;
  border: none;
  color: var(--ink-2);
  font-family: var(--serif);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: .04em;
  cursor: pointer;
  width: calc(100% - 116px - 32px);
  transition: color .2s;
}
.pulse-more-btn:hover { color: var(--ink); }
.pulse-more-btn:hover .pulse-more-icon { background: var(--warm); color: #fff; border-color: var(--warm); }

.pulse-more-line {
  flex: 1;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--ink-3) 0 4px, transparent 4px 10px);
  opacity: .45;
}
.pulse-more-text {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--paper);
  border: 1.2px solid var(--ink);
  border-radius: var(--radius-pill);
  box-shadow: 2px 2px 0 var(--ink);
  transition: transform .2s, box-shadow .2s, background .2s;
  white-space: nowrap;
}
.pulse-more-btn:hover .pulse-more-text {
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 var(--ink);
  background: var(--bg-2);
}
.pulse-more-btn:active .pulse-more-text {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--ink);
}
.pulse-more-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  border-radius: 999px;
  background: var(--bg-2);
  border: 1.2px solid var(--ink);
  color: var(--ink);
  transition: transform .35s ease, background .2s;
  flex-shrink: 0;
}
.pulse-day.is-more-open .pulse-more-icon { transform: rotate(180deg); background: var(--warm); color: #fff; border-color: var(--warm); }

/* 移动端适配 */
@media (max-width: 640px) {
  .pulse-day-head { padding-left: 64px !important; }
  .pulse-day.is-today .pulse-day-text { font-size: 20px; }
  .pulse-day-badge { font-size: 10px; padding: 2px 8px; }
  .pulse-more-btn {
    margin-left: 78px;
    width: calc(100% - 78px - 16px);
    font-size: 12.5px;
  }
}