/* =========================================================
   麦田风筝 CATCHER KITE · 官网样式
   色板严格遵循《官网 AI 建站文档 V2.0》第二节
   ========================================================= */

:root {
  /* 主色：蓝 → 紫渐变（WorkBuddy 同系） */
  --blue: #2F6BFF;
  --blue-d: #1E54E0;
  --blue-l: #6A8BFF;
  --violet: #7B5CFF;
  --grad: linear-gradient(120deg, #2F6BFF 0%, #5B5CFF 55%, #7B5CFF 100%);
  /* 兼容旧变量名，已全部指向蓝系 */
  --navy: #1E50E5;
  --navy-d: #1640C0;
  --navy-soft: #4F7BF0;
  /* 品牌暖色：仅作极少量点缀 */
  --gold: #C9A227;
  --gold-l: #E4C35A;
  --gold-text: #B07D12;
  --green: #1FA97F;
  /* 浅色画布 */
  --bg: #F6F8FC;
  --bg-soft: #EEF3FE;
  --white: #FFFFFF;
  --text: #0F1F3D;
  --text-2: #5A6B85;
  --line: #E6EAF2;
  --radius: 16px;
  --max: 1200px;
  --shadow-sm: 0 2px 10px rgba(30, 80, 229, .06);
  --shadow-md: 0 18px 40px rgba(30, 80, 229, .12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* 所有模块主体：可见内容区精确 1200px（1248 盒子 − 左右各 24px 内边距），窄屏自适应不超过 100% */
.wrap { width: 1248px; max-width: 100%; margin: 0 auto; padding: 0 24px; }

section { position: relative; }

/* ---------- 通用文字 ---------- */
.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--blue);
  text-transform: uppercase;
}
.eyebrow.on-dark { color: #CFE0FF; }

.title {
  margin: 14px 0 16px;
  font-size: clamp(27px, 3.1vw, 40px);
  line-height: 1.28;
  letter-spacing: -.02em;
  font-weight: 800;
}
.title .hl {
  background: linear-gradient(180deg, transparent 60%, rgba(47, 107, 255, .20) 60%);
  padding: 0 2px;
}
.lead {
  margin: 0;
  max-width: 760px;
  color: var(--text-2);
  font-size: 16.5px;
  line-height: 1.85;
}
.section-head { margin-bottom: 52px; }
.section-head.center { text-align: center; }
.section-head.center .lead { margin: 0 auto; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 48px;
  padding: 0 26px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .01em;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; }

.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 8px 20px rgba(47, 107, 255, .28); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(47, 107, 255, .38); }

.btn-gold { background: var(--grad); color: #fff; box-shadow: 0 8px 20px rgba(47, 107, 255, .28); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(47, 107, 255, .38); }

.btn-ghost { border-color: var(--line); color: var(--navy); background: #fff; }
.btn-ghost:hover { background: var(--bg-soft); border-color: var(--blue); }

.btn-outline { border-color: var(--line); background: #fff; color: var(--navy); }
.btn-outline:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); }

.btn-sm { height: 40px; padding: 0 18px; font-size: 14px; }
.btn-block { width: 100%; }

/* ---------- 导航 ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: 64px;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid rgba(229, 225, 216, .8);
  transition: background .3s ease, box-shadow .3s ease;
}
.nav.scrolled {
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 6px 20px rgba(18, 59, 109, .07);
}
.nav-in {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 10px; transition: transform .3s ease; }
.brand:hover { transform: translateY(-1px); }
.brand img { height: 32px; width: auto; }

.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a.nav-item {
  position: relative;
  padding: 8px 2px;
  font-size: 14px;
  font-weight: 400;
  color: var(--text-2);
  transition: color .25s ease;
}
.nav-links a.nav-item:hover { color: var(--blue); }
.nav-links a.nav-item.active { color: var(--navy); font-weight: 600; }
.nav-links a.nav-item.active::after {
  content: "";
  position: absolute;
  left: 2px; right: 2px; bottom: 2px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}

/* WorkBuddy 同款 letter-roll：hover 时整词逐字上滚，影子字从下方顶替 */
.letter-roll { display: inline-block; overflow: hidden; }
.letter-roll .sl {
  display: inline-block;
  transition: transform .4s cubic-bezier(.25, .46, .45, .94);
  text-shadow: 0 1.45em currentColor;
}
.nav-links a.nav-item:hover .sl,
.nav-links a.nav-item:focus-visible .sl { transform: translateY(-1.45em); }
.nav-cta {
  margin-left: 14px;
  height: 38px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: var(--navy);
  color: #fff !important;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .02em;
  transition: background .3s ease, transform .3s ease, box-shadow .3s ease;
}
.nav-cta:hover {
  background: #123BB8;
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(30, 80, 229, .22);
}
.nav-cta:active { transform: translateY(0); box-shadow: none; }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--navy);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* ---------- 首屏（浅色 · WorkBuddy 同款形式） ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 128px 0 92px;
  background:
    radial-gradient(120% 80% at 90% 4%, rgba(123, 92, 255, .14), rgba(123, 92, 255, 0) 55%),
    radial-gradient(90% 70% at 4% 0%, rgba(47, 107, 255, .16), rgba(47, 107, 255, 0) 60%),
    linear-gradient(180deg, #F6F8FC 0%, #FFFFFF 68%);
  color: var(--text);
}
.hero::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 200px;
  background: linear-gradient(180deg, rgba(246, 248, 252, 0), #F6F8FC);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  justify-items: center;
  text-align: center;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 14px 7px 10px;
  border: 1px solid rgba(47, 107, 255, .25);
  border-radius: 999px;
  background: rgba(47, 107, 255, .07);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: #2b56d6;
  font-weight: 600;
}
.hero-tag i {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 4px rgba(47, 107, 255, .16);
}
.hero h1 {
  margin: 22px 0 0;
  font-size: clamp(34px, 4.3vw, 58px);
  line-height: 1.16;
  letter-spacing: -.025em;
  font-weight: 800;
  color: var(--text);
}
.hero h1 .thin { font-weight: 400; color: var(--text-2); }
.hero .slogan {
  margin: 20px 0 0;
  font-size: clamp(19px, 2vw, 25px);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--blue);
}
.hero .hero-desc {
  margin: 16px auto 0;
  max-width: 560px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--text-2);
}
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 34px; }
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 34px;
  margin-top: 46px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.hero-stats .stat strong {
  display: block;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--text);
  line-height: 1.2;
}
.hero-stats .stat strong em {
  font-style: normal;
  color: var(--blue);
}
.hero-stats .stat span {
  font-size: 12.5px;
  color: var(--text-2);
  letter-spacing: .04em;
}

/* 上浮淡入：使用 backwards 填充，动画未完成时也不会出现空白 */
.anim-up { animation: up .8s cubic-bezier(.22, .7, .3, 1) backwards; }
.d1 { animation-delay: .05s; } .d2 { animation-delay: .14s; } .d3 { animation-delay: .24s; }
.d4 { animation-delay: .34s; } .d5 { animation-delay: .44s; } .d6 { animation-delay: .54s; }
@keyframes up {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 区块通用 ---------- */
.sec { padding: 104px 0; }
.sec.tight { padding: 84px 0; }
.sec.on-white { background: #fff; }
.sec.on-bg { background: var(--bg); }

/* ---------- 六大瓶颈 ---------- */
.pains {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.pain {
  position: relative;
  padding: 30px 28px 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  overflow: hidden;
}
.pain:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #d9d3c4; }
.pain .ico {
  width: 52px; height: 52px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: #F3F6FB;
  color: var(--navy);
  margin-bottom: 18px;
}
.pain .ico svg { width: 26px; height: 26px; }
.pain h3 {
  margin: 0 0 8px;
  font-size: 18.5px;
  font-weight: 700;
  letter-spacing: .01em;
}
.pain p { margin: 0; font-size: 14.5px; line-height: 1.8; color: var(--text-2); }
.pain .idx {
  position: absolute;
  top: 22px; right: 24px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  color: #C9C1AE;
}

/* ---------- 核心理念 ---------- */
.idea-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  align-items: stretch;
}
.idea-card {
  padding: 36px 34px 34px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: #fff;
  display: flex;
  flex-direction: column;
}
.idea-card.new {
  background: linear-gradient(165deg, #2F6BFF 0%, #4F5CFF 60%, #7B5CFF 100%);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 24px 50px rgba(47, 107, 255, .22);
}
.idea-card .tag {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--text-2);
}
.idea-card.new .tag { color: #CFE0FF; }
.idea-card h3 { margin: 12px 0 6px; font-size: 23px; letter-spacing: -.01em; }
.idea-card .sub { margin: 0 0 22px; font-size: 13.5px; color: var(--text-2); }
.idea-card.new .sub { color: rgba(255, 255, 255, .6); }
.idea-visual {
  margin: 0 0 24px;
  border-radius: 12px;
  background: #F7F8FA;
  padding: 18px;
}
.idea-card.new .idea-visual { background: rgba(255, 255, 255, .12); }
.idea-visual svg { width: 100%; height: auto; }
.idea-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.idea-list li {
  display: flex;
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.7;
  color: #3c4d66;
}
.idea-card.new .idea-list li { color: rgba(255, 255, 255, .82); }
.idea-list li i {
  flex: none;
  width: 5px; height: 5px;
  margin-top: 11px;
  border-radius: 50%;
  background: #C3CBD6;
}
.idea-card.new .idea-list li i { background: var(--gold-l); }

/* ---------- 五大模块（大图 · 切换） ---------- */
/* ---------- 五大模块（顶部横向切换 · 左大图右简介） ---------- */
.mod-showcase {
  display: flex;
  flex-direction: column;
  gap: 26px;
}
.mod-panels {
  display: grid;
  grid-template-columns: 2.05fr 1fr;
  gap: 28px;
  align-items: stretch;
}
.stage {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 220 / 130;
  background: #EDF2F9;
  border: 1px solid var(--line);
  box-shadow: 0 26px 64px rgba(20, 45, 100, .12);
}
.stage-art {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(1.035);
  transition: opacity .5s ease, transform .7s ease;
  pointer-events: none;
  box-sizing: border-box;
  padding: 15px;
}
.stage-art.active { opacity: 1; transform: none; }
.stage-art > svg { width: 100%; height: 100%; display: block; }

/* ---- 系统界面概念图（UI mockup） ---- */
.ui {
  position: relative;
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  background: #fff;
  border-radius: 13px;
  border: 1px solid #E6ECF7;
  box-shadow: 0 16px 34px rgba(20, 45, 100, .10);
  overflow: hidden;
  color: #16233B;
}
.ui-bar { display: flex; align-items: center; gap: 6px; padding: 8px 11px; border-bottom: 1px solid #EEF2F9; background: #FBFCFE; }
.ui-bar .dots { display: flex; gap: 4px; }
.ui-bar .dots i { width: 6px; height: 6px; border-radius: 50%; background: #D8DFEC; display: block; }
.ui-bar b { font-size: 11px; font-weight: 700; color: #22324c; margin-left: 4px; }
.ui-bar .ui-tag { margin-left: auto; font-size: 9px; font-weight: 600; color: #1E50E5; background: #EEF3FF; padding: 2px 8px; border-radius: 999px; }
.ui-body { flex: 1; padding: 10px 11px; overflow: hidden; }
.ui-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; }
.ui-kpi { position: relative; background: #F7F9FD; border: 1px solid #ECF1F9; border-radius: 8px; padding: 6px 8px 7px; }
.ui-kpi small { display: block; font-size: 8.5px; color: #8A97AD; margin-bottom: 1px; }
.ui-kpi b { font-size: 14px; font-weight: 800; letter-spacing: .01em; }
.ui-kpi .trend { position: absolute; right: 7px; top: 6px; font-size: 8px; color: #7C8AA0; }
.ui-kpi .trend.up { color: #15925B; }
.ui-grid2 { display: grid; grid-template-columns: 1.1fr 1fr; gap: 8px; margin-top: 8px; }
.ui-panel { background: #FBFCFE; border: 1px solid #EDF1F8; border-radius: 8px; padding: 7px 8px; }
.ui-panel-h { font-size: 8.5px; color: #7B89A0; margin-bottom: 5px; }
.ui-bars { display: flex; align-items: flex-end; gap: 4px; height: 52px; }
.ui-bars i { flex: 1; background: linear-gradient(180deg, #5B84F0, #1E50E5); border-radius: 3px 3px 1px 1px; opacity: .9; }
.ui-list { display: flex; flex-direction: column; gap: 5px; }
.ui-li { display: flex; align-items: center; gap: 6px; font-size: 9px; }
.ui-li .ava { width: 14px; height: 14px; border-radius: 50%; flex: none; }
.ava.a1 { background: #DCE7F5; }
.ava.a2 { background: #E7E0F5; }
.ava.a3 { background: #DDF0E7; }
.ui-li .nm { color: #2A3A54; font-weight: 600; }
.ui-li .meta { margin-left: auto; color: #93A0B4; font-size: 8px; }
.ui-li .amt { margin-left: auto; color: #15925B; font-weight: 700; font-size: 9px; }
/* —— 真实产品截图卡（根系面板：校友会小程序界面，已调成品牌蓝） —— */
.ui-shot {
  flex: 1;
  min-height: 0;
  position: relative;
  padding: 14px;
  background:
    radial-gradient(58% 55% at 28% 18%, rgba(47, 107, 255, .12), transparent 70%),
    radial-gradient(52% 58% at 76% 82%, rgba(123, 92, 255, .11), transparent 72%),
    linear-gradient(165deg, #f0f4ff, #fbfcff 58%, #f3f7ff);
}
.ui-shot img {
  position: absolute;
  inset: 14px;
  margin: auto;
  max-width: calc(100% - 28px);
  max-height: calc(100% - 28px);
  width: auto;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 14px 34px rgba(20, 45, 100, .18), 0 3px 10px rgba(20, 45, 100, .10);
}
/* —— 根系 · 校友管理系统：截图内容拆解重排，铺满面板 —— */
.ui-home { position: absolute; inset: 14px; display: flex; flex-direction: column; gap: 10px; min-height: 0; }
.uh-hero {
  flex: 0 0 auto;
  border-radius: 12px;
  padding: 13px 16px 14px;
  background: linear-gradient(130deg, #2F6BFF, #4A63FF 52%, #7B5CFF);
  color: #fff;
  box-shadow: 0 10px 26px rgba(47, 107, 255, .28);
}
.uh-top { display: flex; align-items: center; justify-content: space-between; }
.uh-top b { font-size: 15px; font-weight: 700; letter-spacing: .02em; }
.uh-top span { font-size: 11.5px; padding: 3px 10px; border-radius: 999px; background: rgba(255, 255, 255, .18); }
.uh-search { margin-top: 10px; height: 30px; display: flex; align-items: center; padding: 0 14px; border-radius: 999px; background: rgba(255, 255, 255, .92); color: #8A97B5; font-size: 12px; }
.uh-stats { margin-top: 12px; display: flex; gap: 30px; }
.uh-stats b { display: block; font-size: 22px; font-weight: 800; line-height: 1.15; }
.uh-stats small { font-size: 11px; opacity: .88; }
.uh-grid { flex: 1; min-height: 0; display: grid; grid-template-columns: repeat(4, 1fr); grid-template-rows: repeat(2, 1fr); gap: 10px; }
.uh-app {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  color: var(--blue); box-shadow: 0 4px 14px rgba(20, 45, 100, .06);
  transition: transform .2s ease, box-shadow .2s ease;
}
.uh-app:nth-child(2n) { color: var(--violet); }
.uh-app svg { width: 25px; height: 25px; }
.uh-app span { font-size: 13px; font-weight: 600; color: var(--text); }
.uh-app:hover { transform: translateY(-3px); box-shadow: 0 10px 22px rgba(20, 45, 100, .12); }
/* —— 起风 · 就业信息管理：同风格铺满布局 —— */
.uh-stats small i { font-style: normal; font-size: 10px; margin-left: 5px; padding: 1px 6px; border-radius: 999px; background: rgba(255, 255, 255, .18); }
.uh-stats small i.uw-up { background: rgba(126, 240, 180, .25); color: #B9F6D2; }
.uw-chart {
  flex: 1; min-height: 0; display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 14px 10px; box-shadow: 0 4px 14px rgba(20, 45, 100, .06);
}
.uw-chart-h { font-size: 12.5px; font-weight: 600; color: var(--text-2); }
.uw-svg { flex: 1; width: 100%; min-height: 0; margin-top: 8px; display: block; }
.uw-months { display: flex; justify-content: space-between; margin-top: 6px; font-size: 9.5px; color: #9AA7BF; }
.uw-bars {
  flex: 0 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 9px 20px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 13px 14px; box-shadow: 0 4px 14px rgba(20, 45, 100, .06);
}
.uw-bar { display: flex; align-items: center; gap: 8px; }
.uw-bar span { flex: 0 0 58px; font-size: 11.5px; color: var(--text-2); }
.uw-bar .track { flex: 1; height: 6px; border-radius: 999px; background: var(--bg-soft); overflow: hidden; }
.uw-bar .track i { display: block; height: 100%; border-radius: 999px; background: var(--grad); }
.uw-bar b { flex: 0 0 36px; text-align: right; font-size: 11.5px; font-weight: 700; color: var(--text); }
/* —— 市集 / 沃土 / 天际：同风格铺满布局 —— */
.uw-goods { flex: 1; min-height: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.uw-good { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; box-shadow: 0 4px 14px rgba(20, 45, 100, .06); }
.uw-good .thumb { flex: 1; min-height: 56px; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; color: #fff; background: var(--grad); }
.uw-good .gn { padding: 9px 10px 0; font-size: 12.5px; font-weight: 600; color: var(--text); }
.uw-good .gp { padding: 2px 10px 11px; font-size: 13.5px; font-weight: 800; color: var(--blue); }
.uw-foot { flex: 0 0 auto; display: flex; align-items: center; justify-content: space-between; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 11px 14px; font-size: 12.5px; color: var(--text-2); box-shadow: 0 4px 14px rgba(20, 45, 100, .06); }
.uw-foot i { font-style: normal; font-weight: 700; color: var(--blue); }
.uw-proj { flex: 0 0 auto; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 13px 14px; display: flex; flex-direction: column; gap: 11px; box-shadow: 0 4px 14px rgba(20, 45, 100, .06); }
.uw-prog { display: grid; grid-template-columns: 1fr auto; align-items: center; column-gap: 10px; font-size: 12px; color: var(--text-2); }
.uw-prog b { font-size: 12px; color: var(--text); }
.uw-prog .track { grid-column: 1 / -1; height: 7px; border-radius: 999px; background: var(--bg-soft); overflow: hidden; }
.uw-prog .track i { display: block; height: 100%; border-radius: 999px; background: var(--grad); }
.uw-recent { flex: 1; min-height: 0; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; box-shadow: 0 4px 14px rgba(20, 45, 100, .06); overflow: hidden; }
.uw-rh { font-size: 12.5px; font-weight: 600; color: var(--text-2); margin-bottom: 6px; }
.uw-li { display: flex; align-items: center; gap: 9px; padding: 7px 0; border-top: 1px dashed var(--line); }
.uw-li .ava { width: 26px; height: 26px; border-radius: 50%; flex: 0 0 auto; }
.uw-li .ava.a1 { background: var(--grad); }
.uw-li .ava.a2 { background: linear-gradient(135deg, #7B5CFF, #9B6BFF); }
.uw-li .ava.a3 { background: linear-gradient(135deg, #2E8B6D, #1E9E78); }
.uw-li .nm { flex: 1; font-size: 12.5px; color: var(--text); }
.uw-li .amt { font-size: 12.5px; font-weight: 700; color: var(--blue); }
.uw-graph { flex: 1; min-height: 0; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px 12px; box-shadow: 0 4px 14px rgba(20, 45, 100, .06); display: flex; flex-direction: column; }
.uw-graph-h { font-size: 11.5px; font-weight: 600; color: var(--text-2); margin-bottom: 2px; }
.uw-graph svg { flex: 1; width: 100%; min-height: 0; }
.uw-chat { flex: 0 0 auto; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 11px 14px; font-size: 12.5px; color: var(--text); box-shadow: 0 4px 14px rgba(20, 45, 100, .06); }
.uw-chat span { display: block; margin-top: 4px; font-size: 11.5px; color: var(--blue); }
.ui-area { width: 100%; height: 64px; display: block; }
.ui-products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.ui-prod { border: 1px solid #EDF1F8; border-radius: 8px; overflow: hidden; background: #fff; display: flex; flex-direction: column; }
.ui-prod .ph { height: 56px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 10px; font-weight: 700; letter-spacing: .05em; }
.ph.p1 { background: linear-gradient(135deg, #5B84F0, #1E50E5); }
.ph.p2 { background: linear-gradient(135deg, #E8C66A, #C9A227); }
.ph.p3 { background: linear-gradient(135deg, #5FBF98, #2E8B6D); }
.ui-prod .pname { font-size: 9px; color: #2A3A54; padding: 5px 7px 0; }
.ui-prod .pprice { font-size: 10px; font-weight: 800; color: #DE1F1F; padding: 1px 7px 6px; }
.ui-banner { margin-top: 8px; display: flex; align-items: center; justify-content: space-between; background: #F2F6FF; border: 1px solid #DDE7FB; border-radius: 8px; padding: 7px 10px; font-size: 9px; color: #3B4A63; }
.ui-banner i { font-style: normal; color: #1E50E5; font-weight: 700; }
.ui-donate { display: grid; grid-template-columns: 1fr 1.15fr; gap: 10px; }
.ui-donate small { font-size: 8.5px; color: #8A97AD; display: block; }
.ui-donate .big { display: block; font-size: 20px; font-weight: 800; color: #16233B; letter-spacing: .01em; margin: 1px 0 3px; }
.ui-donate .trend { font-size: 8.5px; color: #15925B; font-weight: 600; }
.ui-progress-wrap { display: flex; flex-direction: column; gap: 4px; justify-content: center; }
.ui-progress-h { display: flex; justify-content: space-between; font-size: 8.5px; color: #7B89A0; }
.ui-progress { height: 6px; background: #EDF1F8; border-radius: 999px; overflow: hidden; }
.ui-progress i { display: block; height: 100%; background: linear-gradient(90deg, #5B84F0, #1E50E5); border-radius: 999px; }
.ui-graph-wrap { position: relative; }
.ui-graph { width: 100%; height: 100%; display: block; }
.ui-chat { position: absolute; right: 6px; bottom: 6px; max-width: 190px; background: #fff; border: 1px solid #E3E9F4; box-shadow: 0 8px 18px rgba(20, 45, 100, .12); border-radius: 10px 10px 2px 10px; padding: 6px 9px; font-size: 9px; color: #2A3A54; line-height: 1.5; }
.ui-chat span { display: block; margin-top: 2px; color: #1E50E5; font-weight: 600; font-size: 8.5px; }


.switch {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(175px, 1fr));
  gap: 12px;
  position: relative;
  z-index: 3;
}
.switch-item {
  position: relative;
  display: grid;
  grid-template-columns: 30px 1fr;
  align-items: start;
  column-gap: 12px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.switch-item:hover { border-color: #cfd9ec; }
.switch-item:focus-visible { outline: 2px solid var(--navy); outline-offset: 2px; }
.switch-item.active {
  background: #F2F6FF;
  border-color: #c9d7f6;
  box-shadow: 0 12px 28px rgba(30, 80, 229, .10);
  z-index: 6;
}
.switch-item .no {
  font-size: 13px;
  font-weight: 800;
  color: #C4CEDF;
  line-height: 1.6;
}
.switch-item.active .no { color: var(--navy); }
.switch-item .sw-main { min-width: 0; }
.switch-item .kicker {
  display: block;
  font-size: 10px;
  letter-spacing: .2em;
  font-weight: 700;
  color: var(--gold-text);
  text-transform: uppercase;
  margin-bottom: 3px;
}
.switch-item .name {
  display: block;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.4;
}
.switch-item .name em {
  font-style: normal;
  font-weight: 400;
  font-size: 12.5px;
  color: var(--text-2);
  margin-left: 6px;
}
.switch-item .sw-arrow { display: none; }
/* 右侧简介面板：与大图等高、层叠切换，绝不推挤任何元素 */
.mod-panels > .stage { min-width: 0; }
.stage-caption {
  position: relative;
  min-height: 150px;
}
.sw-detail {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: #F2F6FF;
  border: 1px solid #c9d7f6;
  border-radius: 16px;
  box-sizing: border-box;
  padding: 30px 32px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s ease, visibility 0s linear .3s;
}
.sw-detail.active {
  opacity: 1;
  visibility: visible;
  transition: opacity .35s ease .08s, visibility 0s;
}
.sd-eyebrow {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--blue);
}
.sw-detail h3 {
  margin: 10px 0 12px;
  font-size: 24px;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--text);
}
.sd-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
}
.sd-list li {
  position: relative;
  padding-left: 14px;
  font-size: 13.5px;
  font-weight: 600;
  color: #2f4058;
}
.sd-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
}
.sd-btn { border-radius: 999px; }
.sd-btn svg { width: 15px; height: 15px; }
.sw-detail p { margin: 0 0 18px; font-size: 14px; line-height: 1.85; color: var(--text-2); }
.sw-detail .tags { display: flex; flex-wrap: wrap; gap: 6px; }
.sw-detail .tags span {
  font-size: 11.5px;
  padding: 3px 9px;
  border-radius: 999px;
  background: #fff;
  color: #55647a;
  border: 1px solid #E3E8F2;
}

.mod-more { margin-top: 40px; text-align: center; }

/* ---------- 五大模块 · 动感 ---------- */
/* 舞台轻微悬浮 */
@keyframes stageFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}
.stage { animation: stageFloat 7.5s ease-in-out infinite; }
.mod-showcase:hover .stage { animation-play-state: paused; }

/* 产品页 mockup 面板持续轻微悬浮，让屏幕“活”起来（错峰相位，避免整齐划一） */
.mod-fig .ui-home { animation: stageFloat 9s ease-in-out infinite; will-change: transform; }
.m-roots  .ui-home { animation-delay: 0s; }
.m-wind   .ui-home { animation-delay: -1.8s; }
.m-market .ui-home { animation-delay: -3.6s; }
.m-soil   .ui-home { animation-delay: -5.4s; }
.m-sky    .ui-home { animation-delay: -7.2s; }
@media (prefers-reduced-motion: reduce) {
  .mod-fig .ui-home { animation: none; }
}

/* 切换时 mockup 内部元素依次浮现 */
.stage-art .ui-kpi,
.stage-art .ui-li {
  opacity: 0;
  transform: translateY(9px);
  transition: opacity .45s ease, transform .5s cubic-bezier(.22, .7, .3, 1);
}
.stage-art .ui-bars i {
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform .65s cubic-bezier(.22, .7, .3, 1);
}
.stage-art.active .ui-kpi { opacity: 1; transform: none; }
.stage-art.active .ui-li { opacity: 1; transform: none; }
.stage-art.active .ui-bars i { transform: scaleY(1); }
.stage-art.active .ui-kpi:nth-child(1) { transition-delay: .10s; }
.stage-art.active .ui-kpi:nth-child(2) { transition-delay: .20s; }
.stage-art.active .ui-kpi:nth-child(3) { transition-delay: .30s; }
.stage-art.active .ui-li:nth-child(1) { transition-delay: .22s; }
.stage-art.active .ui-li:nth-child(2) { transition-delay: .34s; }
.stage-art.active .ui-li:nth-child(3) { transition-delay: .46s; }
.stage-art.active .ui-bars i:nth-child(1) { transition-delay: .12s; }
.stage-art.active .ui-bars i:nth-child(2) { transition-delay: .18s; }
.stage-art.active .ui-bars i:nth-child(3) { transition-delay: .24s; }
.stage-art.active .ui-bars i:nth-child(4) { transition-delay: .30s; }
.stage-art.active .ui-bars i:nth-child(5) { transition-delay: .36s; }
.stage-art.active .ui-bars i:nth-child(6) { transition-delay: .42s; }
.stage-art.active .ui-bars i:nth-child(7) { transition-delay: .48s; }
.stage-art.active .ui-bars i:nth-child(8) { transition-delay: .54s; }

/* 自动轮播进度条（激活项底部） */
.switch-item::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: -1px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--blue), #7B5CFF);
  transform: scaleX(0);
  transform-origin: left;
  opacity: 0;
}
.switch-item.active::after {
  opacity: 1;
  animation: swProgress var(--sw-duration, 5s) linear forwards;
}
@keyframes swProgress {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}
.mod-showcase.autoplay-paused .switch-item.active::after { animation-play-state: paused; }

/* 非激活项轻微后撤，增强切换层次 */
.switch-item { transition: transform .3s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease; }
.switch-item:not(.active):hover { transform: translateY(-3px); }

/* ---------- 双向价值 ---------- */
.value-sec { background: #fff; }
.value-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.value-card {
  padding: 34px 34px 30px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: #FBFAF6;
}
.value-card h3 {
  margin: 0 0 4px;
  font-size: 21px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.value-card h3 .dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--navy);
}
.value-card.alt h3 .dot { background: var(--green); }
.value-card .who {
  margin: 0 0 24px;
  font-size: 13px;
  color: var(--text-2);
  letter-spacing: .04em;
}
.value-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.value-item {
  padding: 14px 16px;
  background: #fff;
  border: 1px solid #EDEAE2;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  color: #2f4058;
  display: flex;
  align-items: center;
  gap: 9px;
  transition: transform .2s ease, border-color .2s ease;
}
.value-item:hover { transform: translateY(-2px); border-color: #d8d2c3; }
.value-item i {
  flex: none;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
}
.value-card.alt .value-item i { background: var(--green); }
.value-note {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px dashed #E3DFD4;
  font-size: 13.5px;
  color: var(--text-2);
}

/* ---------- 合作院校 ---------- */
.schools-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.school {
  padding: 30px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: transform .22s ease, box-shadow .22s ease;
  position: relative;
}
.school:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.school .crest {
  display: block;
  width: 58px; height: 58px;
  border-radius: 50%;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 2px 10px rgba(30, 80, 229, .08);
  padding: 5px;
  margin-bottom: 16px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.school:hover .crest {
  transform: scale(1.08) rotate(-3deg);
  box-shadow: 0 6px 18px rgba(30, 80, 229, .16);
}
.school b { display: block; font-size: 15.5px; line-height: 1.5; letter-spacing: .01em; }
.school span {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-2);
  letter-spacing: .04em;
}

/* ---------- 底部 CTA（蓝色渐变高亮带） ---------- */
.cta {
  position: relative;
  overflow: hidden;
  padding: 104px 0 110px;
  background: linear-gradient(120deg, #2F6BFF 0%, #4F5CFF 52%, #7B5CFF 100%);
  color: #fff;
  text-align: center;
}
.cta .bg-art {
  position: absolute;
  inset: auto 0 0 0;
  width: 100%;
  height: auto;
  opacity: .55;
  pointer-events: none;
}
.cta .wrap { position: relative; z-index: 2; }
.cta h2 {
  margin: 16px 0 14px;
  font-size: clamp(26px, 3.2vw, 42px);
  letter-spacing: -.02em;
  line-height: 1.25;
}
.cta p { margin: 0 auto; max-width: 620px; color: rgba(255, 255, 255, .68); font-size: 15.5px; }
.cta .hero-actions { justify-content: center; margin-top: 34px; }
.cta .mini {
  margin-top: 26px;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: rgba(255, 255, 255, .45);
}

/* ---------- 页脚（浅色） ---------- */
.footer {
  background: #FFFFFF;
  color: var(--text-2);
  padding: 64px 0 28px;
  font-size: 14px;
  border-top: 1px solid var(--line);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line);
}
.footer .f-brand img { height: 40px; width: auto; margin-bottom: 18px; }
.footer .f-slogan {
  font-size: 15px;
  color: var(--text);
  font-weight: 600;
  letter-spacing: .02em;
  margin: 0 0 10px;
}
.footer .f-desc { margin: 0; font-size: 13px; line-height: 1.9; color: var(--text-2); max-width: 280px; }
.footer h4 {
  margin: 4px 0 16px;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--text);
  font-weight: 700;
}
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer ul a { font-size: 13.5px; color: var(--text-2); transition: color .2s ease; }
.footer ul a:hover { color: var(--blue); }
.footer .contact li { line-height: 1.8; font-size: 13.5px; color: var(--text-2); }
.footer .contact b { color: var(--text); font-weight: 600; letter-spacing: .02em; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 22px;
  font-size: 12.5px;
  color: #9AA6BC;
}

/* ---------- 预约弹窗 ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal.open { display: flex; }
.modal-mask {
  position: absolute;
  inset: 0;
  background: rgba(6, 18, 36, .62);
  backdrop-filter: blur(4px);
  animation: fade .25s ease;
}
@keyframes fade { from { opacity: 0; } }
.modal-card {
  position: relative;
  z-index: 2;
  width: min(560px, 100%);
  max-height: calc(100vh - 48px);
  overflow: auto;
  background: #fff;
  border-radius: 20px;
  padding: 34px 34px 30px;
  box-shadow: 0 30px 80px rgba(6, 18, 36, .4);
  animation: pop .32s cubic-bezier(.2, .8, .3, 1);
}
@keyframes pop { from { opacity: 0; transform: translateY(16px) scale(.98); } }
.modal-x {
  position: absolute;
  top: 16px; right: 16px;
  width: 34px; height: 34px;
  border: none;
  border-radius: 50%;
  background: #F2F3F0;
  color: #5A6B85;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  transition: background .2s ease;
}
.modal-x:hover { background: #E7E4DB; }
.modal-head h3 { margin: 10px 0 8px; font-size: 24px; letter-spacing: -.01em; }
.modal-head p { margin: 0 0 24px; font-size: 14px; color: var(--text-2); }

.form { display: grid; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form label {
  display: grid;
  gap: 7px;
  font-size: 13px;
  font-weight: 600;
  color: #3a4a61;
}
.form label em { color: #C0392B; font-style: normal; }
.form input, .form select, .form textarea {
  width: 100%;
  padding: 11px 13px;
  font-family: inherit;
  font-size: 14.5px;
  color: var(--text);
  background: #FCFBF8;
  border: 1px solid #E2DED3;
  border-radius: 8px;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
  outline: none;
}
.form textarea { resize: vertical; min-height: 84px; }
.form input:focus, .form select:focus, .form textarea:focus {
  border-color: var(--navy);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(18, 59, 109, .1);
}
.form .btn { margin-top: 6px; }
.form-tip { margin: 2px 0 0; font-size: 11.5px; color: #96A0B0; text-align: center; }

.form-done { text-align: center; padding: 26px 4px 10px; }
.form-done .ok {
  width: 58px; height: 58px;
  margin: 0 auto 18px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(46, 139, 109, .12);
  color: var(--green);
}
.form-done h4 { margin: 0 0 10px; font-size: 21px; }
.form-done p { margin: 0 auto 22px; font-size: 14px; color: var(--text-2); max-width: 340px; }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 34px;
  z-index: 300;
  transform: translate(-50%, 20px);
  padding: 12px 22px;
  border-radius: 999px;
  background: rgba(11, 36, 71, .94);
  color: #fff;
  font-size: 13.5px;
  letter-spacing: .03em;
  box-shadow: 0 12px 30px rgba(6, 18, 36, .3);
  opacity: 0;
  pointer-events: none;
  transition: opacity .28s ease, transform .28s ease;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* 卡片光斑跟随 + 3D 倾斜，已统一移至文件末尾「首页全局动感」区块 */

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1100px) {
    .mod-showcase { gap: 30px; }
  .footer-top { grid-template-columns: 1.4fr 1fr 1fr; row-gap: 36px; }
}

@media (max-width: 940px) {
  .mod-panels { grid-template-columns: 1fr; }
  .stage { width: 100%; max-width: 100%; }
  /* 窄屏：简介卡改为流式文档流，随内容自然撑高 */
  .stage-caption { min-height: 0; }
  .sw-detail { position: static; display: none; }
  .sw-detail.active { display: flex; }
  .hero { padding: 116px 0 72px; }
  .hero .hero-desc { max-width: 100%; }
  .pains { grid-template-columns: repeat(2, 1fr); }
  .schools-grid { grid-template-columns: repeat(2, 1fr); }
  .value-grid { grid-template-columns: 1fr; }
  .idea-grid { grid-template-columns: 1fr; }
      .sec { padding: 80px 0; }

  .nav-links {
    position: fixed;
    top: 64px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 14px 18px 22px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 30px rgba(18, 59, 109, .1);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .22s ease, transform .22s ease;
  }
  .nav-links.open { opacity: 1; transform: none; pointer-events: auto; }
  .nav-links a.nav-item { padding: 12px 8px; font-size: 15px; }
  .nav-links a.nav-item.active::after { left: 8px; right: auto; width: 18px; bottom: 6px; }
  .nav-cta { margin: 10px 0 0; justify-content: center; height: 44px; }
  .nav-toggle { display: inline-flex; }
}

@media (max-width: 720px) {
  .switch-item { padding: 12px 14px; column-gap: 10px; }
  .wrap { padding: 0 18px; }
  .hero { padding-top: 104px; }
  .hero h1 { font-size: 31px; }
  .hero .slogan { font-size: 18px; }
  .hero-actions .btn { flex: 1; min-width: 140px; }
  .hero-stats { gap: 22px; }
  .hero-stats .stat { min-width: 44%; }
  .hero-stats .stat strong { font-size: 22px; }
  .pains { grid-template-columns: 1fr; }
      .schools-grid { grid-template-columns: 1fr; }
  .value-list { grid-template-columns: 1fr; }
  .idea-card, .value-card { padding: 26px 22px; }
  .sec { padding: 64px 0; }
  .section-head { margin-bottom: 34px; }
  .form-row { grid-template-columns: 1fr; }
  .modal-card { padding: 28px 20px 24px; border-radius: 16px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .cta { padding: 76px 0 84px; }
}

@media (max-width: 460px) {
  .footer-top { grid-template-columns: 1fr; }
  .brand img { height: 27px; }
}

/* =========================================================
   首页全局动感（2026-10-19 增强）
   目标：整页持续“活”，且鼠标经过有反馈
   ========================================================= */

/* —— 滚动进入浮现 —— */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s cubic-bezier(.22, .7, .3, 1), transform .7s cubic-bezier(.22, .7, .3, 1);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .07s; }
.reveal[data-d="2"] { transition-delay: .14s; }
.reveal[data-d="3"] { transition-delay: .21s; }
.reveal[data-d="4"] { transition-delay: .28s; }
.reveal[data-d="5"] { transition-delay: .35s; }
.reveal[data-d="6"] { transition-delay: .42s; }

/* 模块图 / 文案：横向滑入（alt 布局自动反向） */
.reveal.from-left { transform: translateX(-36px); }
.reveal.from-right { transform: translateX(36px); }
.reveal.from-left.in,
.reveal.from-right.in { transform: none; }

/* 产品页模块卡：悬停微抬升，强化可交互的“动感”（保留 reveal 的渐显过渡） */
.sec .mod-fig {
  transition: opacity .7s cubic-bezier(.22, .7, .3, 1), transform .7s cubic-bezier(.22, .7, .3, 1), box-shadow .35s ease;
}
.sec .mod-fig:hover {
  transform: translateY(-6px);
  box-shadow: 0 34px 82px rgba(20, 45, 100, .18);
}

/* CTA 背景等距立方体：三组错峰轻浮动 */
.cta .bg-art .cf { animation: ctaCube 7.5s ease-in-out infinite; }
.cta .bg-art .cf.d2 { animation-delay: -2.5s; }
.cta .bg-art .cf.d3 { animation-delay: -5s; }
@keyframes ctaCube {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}
@media (prefers-reduced-motion: reduce) {
  .cta .bg-art .cf { animation: none; }
}

/* 六大瓶颈：掉落进场（幅度小，带轻微回弹） */
.pains .pain.reveal {
  transform: translateY(-18px);
  transition-duration: .6s;
  transition-timing-function: cubic-bezier(.3, 1.35, .45, 1);
}

/* —— 区块标题动感：眉标滑入 + 标题升起去模糊 + 高亮划过 —— */
.section-head.reveal .eyebrow {
  opacity: 0;
  transform: translateX(-18px);
  letter-spacing: .5em;
  transition:
    opacity .5s ease .05s,
    transform .55s cubic-bezier(.22, .9, .35, 1) .05s,
    letter-spacing .7s cubic-bezier(.22, .9, .35, 1) .05s;
}
.section-head.reveal.in .eyebrow {
  opacity: 1;
  transform: none;
  letter-spacing: .2em;
}
.section-head.reveal .title {
  opacity: 0;
  transform: translateY(18px);
  filter: blur(7px);
  transition:
    opacity .55s ease .12s,
    transform .65s cubic-bezier(.22, .9, .35, 1) .12s,
    filter .6s ease .12s;
}
.section-head.reveal.in .title {
  opacity: 1;
  transform: none;
  filter: blur(0);
}
.section-head.reveal .title .hl {
  background-repeat: no-repeat;
  background-size: 0% 100%;
  transition: background-size .85s cubic-bezier(.25, .9, .3, 1) .5s;
}
.section-head.reveal.in .title .hl {
  background-size: 100% 100%;
}
/* 副标题紧随其后淡入 */
.section-head.reveal .lead {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .5s ease .28s, transform .55s cubic-bezier(.22, .9, .35, 1) .28s;
}
.section-head.reveal.in .lead {
  opacity: 1;
  transform: none;
}

/* —— Hero：柔光融入背景（参考 workbuddy 的环境光：常态柔光打底 + 悬停跟随光斑）—— */
.hero { isolation: isolate; }
.hero-glow {
  position: absolute;
  inset: -12% -8% auto -8%;
  height: 120%;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(58% 52% at 50% 36%, rgba(47, 107, 255, .20), transparent 70%),
    radial-gradient(46% 42% at 71% 27%, rgba(123, 92, 255, .16), transparent 72%),
    radial-gradient(48% 48% at 27% 66%, rgba(47, 107, 255, .11), transparent 72%);
  filter: blur(8px);
  transform: translateZ(0);
  animation: heroDrift 26s ease-in-out infinite;
}
.hero-glow::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(440px circle at var(--mx, 50%) var(--my, 30%), rgba(123, 92, 255, .22), transparent 60%);
  opacity: 0;
  transition: opacity .6s ease;
}
.hero:hover .hero-glow::after { opacity: 1; }
@keyframes heroDrift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(-18px, 12px) scale(1.03); }
}

/* Hero 标签脉冲 */
.hero-tag i { animation: tagPulse 2.4s ease-in-out infinite; }
@keyframes tagPulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(47, 107, 255, .18); }
  50% { box-shadow: 0 0 0 8px rgba(47, 107, 255, .05); transform: scale(1.18); }
}

/* Hero 数字悬浮 */
.hero-stats .stat { transition: transform .25s ease; }
.hero-stats .stat:hover { transform: translateY(-3px); }

/* =========================================================
   内页通用（2026-10-19）：产品/AI/方案/文档/联系 五页共用
   ========================================================= */

/* ---------- 内页顶部横幅 ---------- */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: 152px 0 72px;
  text-align: center;
  background:
    radial-gradient(90% 70% at 88% 4%, rgba(123, 92, 255, .13), rgba(123, 92, 255, 0) 55%),
    radial-gradient(80% 60% at 6% 0%, rgba(47, 107, 255, .15), rgba(47, 107, 255, 0) 60%),
    linear-gradient(180deg, #F6F8FC 0%, #FFFFFF 72%);
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 120px;
  background: linear-gradient(180deg, rgba(246, 248, 252, 0), #F6F8FC);
  pointer-events: none;
}
.page-hero h1 {
  position: relative;
  z-index: 2;
  margin: 16px 0 18px;
  font-size: clamp(30px, 3.8vw, 50px);
  line-height: 1.22;
  letter-spacing: -.025em;
  font-weight: 800;
}
.page-hero h1 .hl {
  background: linear-gradient(180deg, transparent 60%, rgba(47, 107, 255, .20) 60%);
  padding: 0 2px;
}
.page-hero .lead { position: relative; z-index: 2; margin: 0 auto; }
.page-hero .ph-actions {
  position: relative;
  z-index: 2;
  margin-top: 30px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- 页内锚点导航（吸顶） ---------- */
.anchor-nav {
  position: sticky;
  top: 64px;
  z-index: 40;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.anchor-nav .wrap {
  display: flex;
  gap: 4px;
  padding-top: 10px;
  padding-bottom: 10px;
  overflow-x: auto;
  scrollbar-width: none;
}
.anchor-nav .wrap::-webkit-scrollbar { display: none; }
.anchor-nav a {
  white-space: nowrap;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-2);
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: color .2s ease, background .2s ease, border-color .2s ease;
}
.anchor-nav a:hover {
  color: var(--blue);
  background: var(--bg-soft);
  border-color: #D8E3FB;
}

/* ---------- 产品模块：左图右要点 / 交替 ---------- */
.mod-block {
  display: grid;
  grid-template-columns: 1.12fr 1fr;
  gap: 48px;
  align-items: center;
}
.mod-block + .mod-block { margin-top: 96px; }
.mod-block.alt .mod-fig { order: 2; }
.mod-fig {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 26px 64px rgba(20, 45, 100, .12);
  background: #EDF2F9;
  aspect-ratio: 16 / 10;
  min-width: 0;
}
/* 产品页：整幅成图替换手绘面板（成图 3:2，卡片同比） */
.mod-fig.has-img { aspect-ratio: 3 / 2; }
.mod-fig .mod-img { display: block; width: 100%; height: 100%; object-fit: cover; }

.mod-copy .eyebrow { margin-bottom: 12px; }
.mod-copy h2 {
  margin: 0 0 14px;
  font-size: clamp(23px, 2.4vw, 31px);
  line-height: 1.3;
  letter-spacing: -.02em;
  font-weight: 800;
}
.mod-copy .mod-lead {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-2);
}
.mod-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.mod-tags li {
  position: relative;
  padding: 12px 14px 12px 32px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  color: #2f4058;
}
.mod-tags li::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 19px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
  transform-origin: center;
  animation: tagDot 2.8s ease-in-out infinite;
}
/* 模块要点卡：滚动进场错峰 + 蓝点呼吸 + 悬停微抬，呼应模块图的“动感” */
.mod-tags li {
  opacity: 0;
  transform: translateY(10px) scale(.98);
  transition: opacity .5s ease, transform .55s cubic-bezier(.22, .7, .3, 1), box-shadow .3s ease, border-color .3s ease;
  will-change: opacity, transform;
}
.mod-copy.in .mod-tags li { opacity: 1; transform: none; }
.mod-copy.in .mod-tags li:nth-child(1) { transition-delay: .10s; }
.mod-copy.in .mod-tags li:nth-child(2) { transition-delay: .18s; }
.mod-copy.in .mod-tags li:nth-child(3) { transition-delay: .26s; }
.mod-copy.in .mod-tags li:nth-child(4) { transition-delay: .34s; }
.mod-copy.in .mod-tags li:nth-child(5) { transition-delay: .42s; }
.mod-copy.in .mod-tags li:nth-child(6) { transition-delay: .50s; }
.mod-copy.in .mod-tags li:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(20, 45, 100, .14);
  border-color: var(--blue);
}
@keyframes tagDot {
  0%, 100% { transform: scale(1); opacity: .85; }
  50% { transform: scale(1.4); opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .mod-tags li { opacity: 1 !important; transform: none !important; transition: none; }
  .mod-tags li::before { animation: none; }
}

/* 电子校友卡：手机概念图 */
.phone-mock {
  width: min(232px, 62%);
  margin: 0 auto;
  aspect-ratio: 9 / 16.5;
  background: linear-gradient(180deg, #F3F6FB, #E9EFF9);
  border: 8px solid #fff;
  border-radius: 30px;
  box-shadow: 0 24px 54px rgba(20, 45, 100, .18);
  padding: 26px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}
.phone-mock::before {
  content: "";
  position: absolute;
  top: 10px; left: 50%;
  transform: translateX(-50%);
  width: 62px; height: 5px;
  border-radius: 999px;
  background: #D4DCE8;
}
.alumni-card {
  border-radius: 14px;
  padding: 14px 14px 16px;
  background: linear-gradient(135deg, #2F6BFF, #1E50E5 60%, #1640C0);
  color: #fff;
  box-shadow: 0 14px 28px rgba(30, 80, 229, .28);
}
.alumni-card .ac-school {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  letter-spacing: .08em;
  color: rgba(255, 255, 255, .75);
}
.alumni-card .ac-school::before {
  content: "";
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--gold);
}
.alumni-card b {
  display: block;
  margin: 8px 0 2px;
  font-size: 17px;
  letter-spacing: .04em;
}
.alumni-card .ac-no {
  font-size: 9.5px;
  letter-spacing: .14em;
  color: rgba(255, 255, 255, .6);
}
.alumni-card .ac-perks {
  display: flex;
  gap: 5px;
  margin-top: 12px;
}
.alumni-card .ac-perks i {
  font-style: normal;
  font-size: 9px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .18);
  border: 1px solid rgba(255, 255, 255, .28);
}
.phone-apps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.phone-apps i {
  aspect-ratio: 1;
  border-radius: 10px;
  background: #fff;
  border: 1px solid #E3E9F4;
  box-shadow: 0 3px 8px rgba(20, 45, 100, .06);
}
.phone-apps i:nth-child(1) { background: linear-gradient(135deg, #DCE7F5, #C4D6F2); }
.phone-apps i:nth-child(2) { background: linear-gradient(135deg, #F3E9C8, #E4C35A); }
.phone-apps i:nth-child(3) { background: linear-gradient(135deg, #D9F0E5, #9BD9C0); }
.phone-apps i:nth-child(4) { background: linear-gradient(135deg, #E7E0F5, #C9BDF0); }
.phone-hint {
  margin-top: auto;
  text-align: center;
  font-size: 9.5px;
  letter-spacing: .06em;
  color: #8A97AD;
}

/* ---------- 技术架构（五层） ---------- */
.arch {
  display: grid;
  gap: 10px;
  max-width: 860px;
  margin: 0 auto;
}
.arch-layer {
  display: grid;
  grid-template-columns: 54px 130px 1fr;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.arch-layer:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.arch-layer .arch-no {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .1em;
  color: #C4CEDF;
}
.arch-layer b { font-size: 16px; font-weight: 700; color: var(--text); }
.arch-layer em {
  font-style: normal;
  font-size: 13.5px;
  color: var(--text-2);
  letter-spacing: .02em;
}
.arch-layer.l5 { background: linear-gradient(90deg, #F2F6FF, #fff); border-color: #c9d7f6; }
.arch-layer.l5 .arch-no { color: var(--navy); }
.arch-layer.l4 .arch-no { color: var(--blue); }
.arch-layer.l3 .arch-no { color: var(--violet); }
.arch-layer.l2 .arch-no { color: var(--gold-text); }
.arch-layer.l1 .arch-no { color: var(--green); }

/* ---------- 部署优势 ---------- */
.deploy-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 44px;
  align-items: center;
}
.deploy-shield {
  border-radius: 20px;
  background: linear-gradient(160deg, #1E50E5, #7B5CFF);
  padding: 44px 36px;
  text-align: center;
  color: #fff;
  box-shadow: 0 26px 60px rgba(47, 107, 255, .25);
}
.deploy-shield svg { width: 84px; height: 84px; margin: 0 auto 18px; }
.deploy-shield b { display: block; font-size: 19px; letter-spacing: .02em; }
.deploy-shield span { display: block; margin-top: 8px; font-size: 13px; color: rgba(255, 255, 255, .68); }

/* ---------- SaaS 对比表 ---------- */
.cmp-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}
.cmp-table th, .cmp-table td {
  padding: 17px 20px;
  text-align: left;
  font-size: 14.5px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.cmp-table tr:last-child th, .cmp-table tr:last-child td { border-bottom: none; }
.cmp-table thead th {
  background: #F7F9FD;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: .02em;
}
.cmp-table thead th:last-child { color: var(--blue); }
.cmp-table tbody th {
  font-weight: 600;
  color: var(--text);
  width: 150px;
}
.cmp-table td { color: var(--text-2); }
.cmp-table td:last-child { color: #2f4058; font-weight: 600; background: #F7FAFF; }
.cmp-table .td-no::before {
  content: "✕";
  color: #C0392B;
  font-weight: 700;
  margin-right: 7px;
}
.cmp-table .td-yes::before {
  content: "✓";
  color: var(--green);
  font-weight: 700;
  margin-right: 7px;
}

/* ---------- AI 智能体卡片 ---------- */
.agent-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.agent-card {
  padding: 30px 28px 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.agent-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #cfd9ec; }
.agent-card .ico {
  width: 54px; height: 54px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, #EDF3FF, #E4E9FD);
  color: var(--navy);
  margin-bottom: 18px;
}
.agent-card .ico svg { width: 27px; height: 27px; }
.agent-card h3 { margin: 0 0 8px; font-size: 17.5px; letter-spacing: .01em; }
.agent-card h3 em {
  display: block;
  font-style: normal;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold-text);
  margin-bottom: 4px;
}
.agent-card p { margin: 0; font-size: 14px; line-height: 1.8; color: var(--text-2); }

/* 多语言条 */
.lang-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px 22px;
  padding: 26px 30px;
  border-radius: 20px;
  background: linear-gradient(120deg, #2F6BFF 0%, #4F5CFF 55%, #7B5CFF 100%);
  color: #fff;
  box-shadow: 0 22px 50px rgba(47, 107, 255, .22);
}
.lang-strip .ls-label {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
}
.lang-strip .ls-label small {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: rgba(255, 255, 255, .65);
  margin-top: 2px;
}
.lang-strip .ls-langs { display: flex; gap: 10px; flex-wrap: wrap; }
.lang-strip .ls-langs i {
  font-style: normal;
  font-size: 14px;
  font-weight: 700;
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .16);
  border: 1px solid rgba(255, 255, 255, .3);
}

/* ---------- 解决方案：共生飞轮 ---------- */
.flywheel {
  display: grid;
  place-items: center;
  max-width: 560px;
  margin: 0 auto;
}
.flywheel svg { width: 100%; height: auto; }
/* 金色弧线沿环缓缓转动，象征飞轮在转（reduced-motion 下由全局规则降级） */
.flywheel .fw-arc {
  transform-box: view-box;
  transform-origin: 170px 170px;
  animation: fwSpin 26s linear infinite;
}
@keyframes fwSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* —— 共生飞轮 · 炫酷动效 —— */
.flywheel .fw-orbit,
.flywheel .fw-orbit-back,
.flywheel .fw-flow,
.flywheel .fw-core-ring,
.flywheel .fw-comet {
  transform-box: view-box;
  transform-origin: 170px 170px;
}
.flywheel .fw-orbit { animation: fwSpin 38s linear infinite; }
.flywheel .fw-orbit-back { animation: fwSpin 64s linear infinite reverse; }
.flywheel .fw-comet { animation: fwSpin 13s linear infinite; }
.flywheel .fw-core-ring { animation: fwSpin 20s linear infinite reverse; }
.flywheel .fw-flow { animation: fwFlow 4.5s linear infinite; }
@keyframes fwFlow { to { stroke-dashoffset: -92.68; } }

.flywheel .fw-breathe,
.flywheel .fw-core-halo {
  transform-box: fill-box;
  transform-origin: center;
}
.flywheel .fw-breathe { animation: fwBreathe 5.5s ease-in-out infinite; }
.flywheel .fw-core-halo { animation: fwBreathe 4.2s ease-in-out infinite; }
@keyframes fwBreathe {
  0%, 100% { transform: scale(1); opacity: .68; }
  50% { transform: scale(1.07); opacity: 1; }
}

.flywheel .fw-node .fw-ping {
  transform-box: fill-box;
  transform-origin: center;
  opacity: 0;
  animation: fwPing 3.6s ease-out infinite;
}
@keyframes fwPing {
  0% { opacity: .45; transform: scale(1); }
  70%, 100% { opacity: 0; transform: scale(2.05); }
}
.flywheel .fw-nodes .fw-node:nth-child(1) .fw-ping { animation-delay: 0s; }
.flywheel .fw-nodes .fw-node:nth-child(2) .fw-ping { animation-delay: .45s; }
.flywheel .fw-nodes .fw-node:nth-child(3) .fw-ping { animation-delay: .9s; }
.flywheel .fw-nodes .fw-node:nth-child(4) .fw-ping { animation-delay: 1.35s; }
.flywheel .fw-nodes .fw-node:nth-child(5) .fw-ping { animation-delay: 1.8s; }
.flywheel .fw-nodes .fw-node:nth-child(6) .fw-ping { animation-delay: 2.25s; }
.flywheel .fw-nodes .fw-node:nth-child(7) .fw-ping { animation-delay: 2.7s; }
.flywheel .fw-nodes .fw-node:nth-child(8) .fw-ping { animation-delay: 3.15s; }

.flywheel .fw-node .fw-node-glow { opacity: .3; transition: opacity .35s ease; }
.flywheel .fw-node .fw-node-ring {
  transform-box: fill-box;
  transform-origin: center;
  transition: transform .3s cubic-bezier(.22, .7, .3, 1), stroke .3s ease;
}
.flywheel .fw-node:hover .fw-node-ring { transform: scale(1.16); stroke: #7B5CFF; }
.flywheel .fw-node:hover .fw-node-glow { opacity: 1; }

@media (prefers-reduced-motion: reduce) {
  .flywheel svg * { animation: none !important; }
}

/* 角色方案 */
.role-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.role-card {
  padding: 26px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  transition: transform .22s ease, box-shadow .22s ease;
}
.role-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.role-card .ico {
  width: 46px; height: 46px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: #F3F6FB;
  color: var(--navy);
  margin-bottom: 14px;
}
.role-card .ico svg { width: 23px; height: 23px; }
.role-card h3 { margin: 0 0 7px; font-size: 16.5px; }
.role-card p { margin: 0; font-size: 13.5px; line-height: 1.75; color: var(--text-2); }

/* 多终端 */
.term-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}
.term-card {
  padding: 22px 16px;
  text-align: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: transform .22s ease, box-shadow .22s ease;
}
.term-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.term-card .ico {
  width: 44px; height: 44px;
  margin: 0 auto 12px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: #F3F6FB;
  color: var(--navy);
}
.term-card .ico svg { width: 22px; height: 22px; }
.term-card b { font-size: 14px; }
.term-card span { display: block; margin-top: 4px; font-size: 12px; color: var(--text-2); }

/* 三期实施路径 */
.phase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: end;
}
.phase-card {
  padding: 28px 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  position: relative;
  transition: transform .22s ease, box-shadow .22s ease;
}
.phase-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
/* 阶梯错落：一期低、三期高 */
.phase-card.p1 { margin-bottom: 46px; }
.phase-card.p2 { margin-bottom: 23px; }
.phase-card .ph-no {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: .18em;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.phase-card.p1 .ph-no { background: #EAF6F0; color: #17805F; }
.phase-card.p2 .ph-no { background: #F7F0DC; color: #A07E10; }
.phase-card.p3 .ph-no { background: #EAF0FE; color: #1E50E5; }
.phase-card h3 { margin: 0 0 8px; font-size: 18.5px; }
.phase-card p { margin: 0 0 14px; font-size: 13.5px; color: var(--text-2); line-height: 1.75; }
.phase-card .ph-mods { display: flex; flex-wrap: wrap; gap: 6px; }
.phase-card .ph-mods i {
  font-style: normal;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 11px;
  border-radius: 999px;
  background: #F2F6FF;
  border: 1px solid #DDE7FB;
  color: #3B4A63;
}

/* ---------- 文档中心 ---------- */
.doc-list { display: grid; gap: 16px; }
.doc-item {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  align-items: center;
  gap: 20px;
  padding: 24px 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.doc-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: #cfd9ec; }
.doc-item .di-ico {
  width: 54px; height: 54px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: #F3F6FB;
  color: var(--navy);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: .04em;
}
.doc-item h3 { margin: 0 0 5px; font-size: 16.5px; }
.doc-item p { margin: 0; font-size: 13px; color: var(--text-2); }
.doc-item .di-meta {
  display: inline-block;
  margin-top: 6px;
  font-size: 11.5px;
  letter-spacing: .06em;
  color: #9AA6BC;
}

/* FAQ 折叠 */
.faq { display: grid; gap: 12px; max-width: 860px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.faq-item[open] { border-color: #c9d7f6; box-shadow: 0 10px 26px rgba(30, 80, 229, .08); }
.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 19px 22px;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--text);
  transition: color .2s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  flex: none;
  margin-left: auto;
  width: 10px; height: 10px;
  border-right: 2px solid #9AA6BC;
  border-bottom: 2px solid #9AA6BC;
  transform: rotate(45deg);
  transition: transform .25s ease, border-color .25s ease;
}
.faq-item[open] summary::after { transform: rotate(-135deg); border-color: var(--blue); }
.faq-item summary:hover { color: var(--blue); }
.faq-item summary .fq-no {
  flex: none;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  color: var(--blue);
}
.faq-item .faq-a {
  padding: 0 22px 20px 52px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-2);
}
.faq-item .faq-a b { color: var(--text); }

/* ---------- 联系我们 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 40px;
  align-items: start;
}
.contact-info { display: grid; gap: 16px; }
.ci-card {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  align-items: center;
  padding: 22px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.ci-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.ci-card .ico {
  width: 48px; height: 48px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: #F3F6FB;
  color: var(--navy);
}
.ci-card .ico svg { width: 22px; height: 22px; }
.ci-card small {
  display: block;
  font-size: 12px;
  letter-spacing: .1em;
  color: #9AA6BC;
  margin-bottom: 3px;
}
.ci-card b { font-size: 16px; color: var(--text); letter-spacing: .02em; }
.ci-card span { font-size: 13.5px; line-height: 1.7; color: var(--text-2); }
.contact-form-card {
  padding: 34px 34px 30px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: 0 22px 54px rgba(20, 45, 100, .10);
}
.contact-form-card h3 { margin: 0 0 6px; font-size: 22px; }
.contact-form-card > p { margin: 0 0 22px; font-size: 14px; color: var(--text-2); }

/* ---------- 内页响应式 ---------- */
/* 锚点跳转时给吸顶导航留出高度，避免目标区块顶部被盖住 */
section[id], .contact-form-card[id] { scroll-margin-top: 124px; }
@media (max-width: 940px) {
  .mod-block { grid-template-columns: 1fr; gap: 28px; }
  .mod-block + .mod-block { margin-top: 64px; }
  .mod-block.alt .mod-fig { order: 0; }
  .deploy-grid { grid-template-columns: 1fr; gap: 28px; }
  .agent-grid, .role-grid { grid-template-columns: 1fr 1fr; }
  .term-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .anchor-nav { top: 56px; }
}
@media (max-width: 720px) {
  .page-hero { padding: 128px 0 56px; }
  .mod-tags { grid-template-columns: 1fr; }
  .agent-grid, .role-grid, .term-grid, .phase-grid { grid-template-columns: 1fr; }
  .phase-card { padding: 22px 20px; }
  .doc-item { grid-template-columns: 48px 1fr; }
  .doc-item .di-ico { width: 44px; height: 44px; }
  .doc-item .btn { grid-column: 2; justify-self: start; }
  .arch-layer { grid-template-columns: 40px 1fr; row-gap: 4px; }
  .arch-layer em { grid-column: 2; }
  .cmp-table th, .cmp-table td { padding: 13px 14px; font-size: 13.5px; }
  .cmp-table tbody th { width: 96px; }
  .faq-item summary { font-size: 14.5px; padding: 16px 18px; }
  .faq-item .faq-a { padding: 0 18px 18px 18px; }
  .contact-form-card { padding: 26px 20px 22px; }
}
.hero-stats .stat strong em { display: inline-block; transition: color .25s ease, transform .25s ease; }
.hero-stats .stat:hover strong em { color: var(--violet); transform: scale(1.1); }

/* —— 理念区循环流动 —— */
.idea-card.new .idea-visual .flow {
  stroke-dasharray: 5 7;
  animation: dash 2.4s linear infinite;
}
@keyframes dash { to { stroke-dashoffset: -24; } }

/* —— 按钮 hover 光泽扫过 —— */
.btn { position: relative; overflow: hidden; }
.btn::after {
  content: "";
  position: absolute;
  top: 0; left: -120%;
  width: 55%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .4), transparent);
  transform: skewX(-18deg);
  transition: left .6s ease;
  pointer-events: none;
}
.btn:hover::after { left: 130%; }

/* —— 导航项 hover 下划线（WorkBuddy 同款：scaleX + 原点翻转，进从左入、出向右出） —— */
.nav-links a.nav-item::before {
  content: "";
  position: absolute;
  left: 2px; right: 2px; bottom: 2px;
  height: 2px;
  background: var(--blue);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .3s cubic-bezier(.4, 0, .2, 1);
}
.nav-links a.nav-item:not(.active):hover::before { transform: scaleX(1); transform-origin: left; }

/* —— 页脚链接下划线 —— */
.footer ul a { position: relative; display: inline-block; }
.footer ul a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 1px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.footer ul a:hover::after { transform: scaleX(1); }

/* —— 卡片：鼠标光斑 + 温和 3D 倾斜 —— */
.pain, .idea-card, .value-card, .school, .value-item { position: relative; }
.pain::before, .idea-card::before, .value-card::before, .school::before, .value-item::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  z-index: 1;
  background: radial-gradient(240px circle at var(--mx, 50%) var(--my, 50%), rgba(47, 107, 255, .13), transparent 68%);
  opacity: 0;
  transition: opacity .3s ease;
}
.pain:hover::before, .idea-card:hover::before, .value-card:hover::before, .school:hover::before, .value-item:hover::before { opacity: 1; }

.pain, .idea-card, .value-card, .school {
  transition: transform .25s ease, box-shadow .22s ease, border-color .22s ease;
}
.pain:hover, .idea-card:hover, .value-card:hover, .school:hover {
  transform: perspective(900px) rotateX(var(--ry, 0deg)) rotateY(var(--rx, 0deg)) translateY(-4px);
}

/* —— CTA 麦田线随风轻摆 —— */
.cta .bg-art { transform-origin: bottom center; animation: ctaSway 7s ease-in-out infinite; }
@keyframes ctaSway {
  0%, 100% { transform: rotate(-0.7deg) translateX(-5px); }
  50% { transform: rotate(0.7deg) translateX(5px); }
}

/* =========================================================
   Hero 标题动效（2026-10-19）：逐字入场 + slogan 流光
   ========================================================= */
.ht-main { display: inline-block; }
.ht-main i {
  font-style: normal;
  display: inline-block;
  animation: charUp .75s cubic-bezier(.25, 1.2, .4, 1) backwards;
}
.ht-main i:nth-child(1) { animation-delay: .08s; }
.ht-main i:nth-child(2) { animation-delay: .17s; }
.ht-main i:nth-child(3) { animation-delay: .26s; }
.ht-main i:nth-child(4) { animation-delay: .35s; }
.ht-sub { display: inline-block; animation: charUp .8s cubic-bezier(.22, .7, .3, 1) .52s backwards; }

/* —— 品牌 mark 化为背景水印：融入 hero 背景，不再作为实体图形与导航重复 —— */
.hero-mark {
  position: absolute;
  right: -8%;
  top: 50%;
  transform: translateY(-50%);
  width: min(44vw, 520px);
  z-index: 0;
  pointer-events: none;
  opacity: .10;
  -webkit-mask-image: radial-gradient(closest-side at 50% 50%, #000 36%, rgba(0, 0, 0, .72) 60%, rgba(0, 0, 0, .26) 82%, transparent 100%);
  mask-image: radial-gradient(closest-side at 50% 50%, #000 36%, rgba(0, 0, 0, .72) 60%, rgba(0, 0, 0, .26) 82%, transparent 100%);
  animation: markDrift 30s ease-in-out infinite;
}
.hero-mark img { width: 100%; height: auto; display: block; filter: saturate(1.05); }
@keyframes markDrift {
  0%, 100% { transform: translateY(-50%) translateX(0) rotate(0deg) scale(1); }
  50%      { transform: translateY(-50%) translateX(-14px) rotate(-1.6deg) scale(1.02); }
}
@media (max-width: 720px) {
  .hero-mark {
    right: auto;
    left: 50%;
    width: 74vw;
    opacity: .07;
    transform: translateY(-50%) translateX(-50%);
  }
  @keyframes markDrift {
    0%, 100% { transform: translateY(-50%) translateX(-50%) rotate(0deg) scale(1); }
    50%      { transform: translateY(-50%) translateX(-50%) translateY(-10px) rotate(-1.6deg) scale(1.02); }
  }
}

@keyframes charUp {
  from { opacity: 0; transform: translateY(28px) rotate(2.5deg); filter: blur(7px); }
  to { opacity: 1; transform: none; filter: blur(0); }
}

/* slogan：入场后叠加常驻金蓝流光（渐变文字 + 背景位移动画） */
.hero .slogan.anim-up {
  animation:
    up .8s cubic-bezier(.22, .7, .3, 1) .24s backwards,
    sloganShimmer 6s ease-in-out 1.8s infinite;
  background: linear-gradient(90deg,
    var(--blue) 0%, var(--blue) 36%,
    #D9B54A 50%,
    var(--blue) 64%, var(--blue) 100%);
  background-size: 220% 100%;
  background-repeat: no-repeat;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
@keyframes sloganShimmer {
  0%, 100% { background-position: 100% 0; }
  50% { background-position: 0% 0; }
}

/* =========================================================
   响应式 / 无障碍（保留）
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001s !important; animation-delay: 0s !important; transition-duration: .001s !important; }
}

/* =========================================================
   子页面共用样式（产品介绍 / AI智能体 / 解决方案 / 文档中心 / 联系我们）
   严格复用 :root 蓝系令牌，与首页同一套组件语言
   ========================================================= */

/* —— 子页横幅 + 面包屑 —— */
.page-hero { position: relative; padding: 128px 0 60px; overflow: hidden; }
.page-hero::before {
  content: ""; position: absolute; inset: -40% -10% auto -10%; height: 460px;
  background: radial-gradient(60% 120% at 20% 0%, rgba(47,107,255,.12), transparent 60%),
              radial-gradient(50% 120% at 92% 10%, rgba(123,92,255,.12), transparent 60%);
  z-index: 0;
}
.page-hero .wrap { position: relative; z-index: 1; }
.crumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-2); margin-bottom: 18px; }
.crumb a { color: var(--text-2); transition: color .2s; }
.crumb a:hover { color: var(--blue); }
.crumb .sep { opacity: .5; }
.page-hero h1 { font-size: clamp(30px, 4.4vw, 46px); line-height: 1.18; margin: 6px 0 16px; font-weight: 800; letter-spacing: -.01em; }
.page-hero h1 .hl { color: var(--navy); }
.page-hero .lead { max-width: 720px; font-size: 17px; }

/* —— 概念图占位（AI 生成概念图，后续可替换为真实产品截图） —— */
.concept {
  position: relative; border-radius: var(--radius); overflow: hidden;
  min-height: 280px; display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(120% 140% at 12% 8%, rgba(47,107,255,.10), transparent 55%),
    radial-gradient(120% 140% at 92% 96%, rgba(123,92,255,.10), transparent 55%),
    linear-gradient(135deg, #EEF3FE 0%, #E6ECFB 100%);
  border: 1px solid var(--line);
}
.concept::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(30,80,229,.06) 1px, transparent 1px);
  background-size: 18px 18px; opacity: .6;
}
.concept .c-ico { position: relative; z-index: 1; width: 92px; height: 92px; color: var(--navy); opacity: .9; }
.concept .c-ico svg { width: 100%; height: 100%; }
.concept .c-tag {
  position: absolute; left: 14px; bottom: 12px; z-index: 2;
  font-size: 12px; color: var(--text-2);
  background: rgba(255,255,255,.7); padding: 4px 10px; border-radius: 999px;
  backdrop-filter: blur(4px); border: 1px solid rgba(255,255,255,.6);
}
.concept.tall { min-height: 360px; }
.concept.sm { min-height: 200px; }

/* —— 图文交替行（产品介绍页每模块） —— */
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 52px 0; }
.feature + .feature { border-top: 1px dashed var(--line); }
.feature.flip .concept { order: 2; }
.feature .feat-copy h3 { font-size: 27px; margin: 10px 0 12px; line-height: 1.3; }
.feature .feat-copy .kicker { display: inline-block; font-size: 13px; font-weight: 600; color: var(--navy); letter-spacing: .04em; }
.feature .feat-copy p { color: var(--text-2); margin: 0 0 6px; }
.feat-tags { list-style: none; margin: 18px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.feat-tags li {
  font-size: 13.5px; color: var(--text); background: #fff; border: 1px solid var(--line);
  border-radius: 999px; padding: 6px 14px; display: inline-flex; align-items: center; gap: 7px;
}
.feat-tags li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }
.feat-cta { margin-top: 22px; }

/* —— 通用卡片网格 —— */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-ico {
  width: 48px; height: 48px; border-radius: 13px; display: grid; place-items: center;
  background: var(--bg-soft); color: var(--navy); margin-bottom: 16px;
}
.card-ico svg { width: 24px; height: 24px; }
.card h3 { font-size: 18px; margin: 0 0 8px; }
.card p { margin: 0; font-size: 14.5px; color: var(--text-2); line-height: 1.7; }
.card .kicker { font-size: 12.5px; font-weight: 600; color: var(--navy); letter-spacing: .03em; }
.card .no {
  float: right; font-size: 13px; font-weight: 700; color: var(--text-2);
  background: var(--bg-soft); width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center;
}

/* —— 共生飞轮 / 环形图容器 —— */
.flywheel { display: flex; justify-content: center; padding: 10px 0; }
.flywheel svg { width: min(440px, 100%); height: auto; }
.phase {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: ph;
}
.phase-item { position: relative; border: 1px solid var(--line); background: #fff; border-radius: var(--radius); padding: 28px 26px 26px; }
.phase-item .ph-no {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; color: #fff;
  background: var(--grad); border-radius: 999px; padding: 5px 14px; margin-bottom: 14px;
}
.phase-item h3 { font-size: 19px; margin: 0 0 8px; }
.phase-item p { margin: 0; font-size: 14.5px; color: var(--text-2); }
.phase-item ul { margin: 14px 0 0; padding-left: 18px; color: var(--text-2); font-size: 14px; }
.phase-item ul li { margin: 4px 0; }

/* —— FAQ 折叠 —— */
.faq { max-width: 880px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 20px 4px; font-size: 17px; font-weight: 600; color: var(--text);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .mk {
  flex: 0 0 auto; width: 24px; height: 24px; border-radius: 50%; border: 1px solid var(--line);
  display: grid; place-items: center; color: var(--navy); transition: transform .25s ease, background .2s ease;
}
.faq details[open] summary .mk { background: var(--navy); color: #fff; transform: rotate(45deg); }
.faq .ans { padding: 0 4px 22px; color: var(--text-2); font-size: 15px; line-height: 1.8; max-width: 760px; }

/* —— 文档 / 资料卡 —— */
.doc-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.doc-card {
  display: flex; align-items: center; gap: 18px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px; transition: transform .2s ease, box-shadow .2s ease;
}
.doc-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.doc-card .doc-ico {
  flex: 0 0 auto; width: 52px; height: 52px; border-radius: 12px; display: grid; place-items: center;
  background: var(--bg-soft); color: var(--navy);
}
.doc-card .doc-ico svg { width: 26px; height: 26px; }
.doc-card .doc-meta { flex: 1; min-width: 0; }
.doc-card .doc-meta h3 { font-size: 16.5px; margin: 0 0 4px; }
.doc-card .doc-meta p { margin: 0; font-size: 13px; color: var(--text-2); }

/* —— 联系我们 —— */
.contact-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; align-items: start; }
.contact-info { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; }
.contact-info .ci-row { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.contact-info .ci-row:last-child { border-bottom: 0; }
.contact-info .ci-ico { flex: 0 0 auto; width: 40px; height: 40px; border-radius: 10px; background: var(--bg-soft); color: var(--navy); display: grid; place-items: center; }
.contact-info .ci-ico svg { width: 20px; height: 20px; }
.contact-info .ci-row b { display: block; font-size: 14px; color: var(--text-2); font-weight: 500; margin-bottom: 3px; }
.contact-info .ci-row span, .contact-info .ci-row a { font-size: 15.5px; color: var(--text); font-weight: 600; }
.contact-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; }

/* —— 对比表 —— */
.compare { width: 100%; border-collapse: collapse; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.compare th, .compare td { padding: 16px 20px; text-align: left; font-size: 15px; border-bottom: 1px solid var(--line); }
.compare thead th { background: var(--bg-soft); font-size: 14px; color: var(--text-2); font-weight: 600; }
.compare thead th.col-platform { color: var(--navy); font-weight: 700; }
.compare tbody tr:last-child td { border-bottom: 0; }
.compare td:first-child { font-weight: 600; color: var(--text); }
.compare .col-saas { color: var(--text-2); }
.compare .col-platform { color: var(--navy); font-weight: 600; }

/* —— 数据条 —— */
.stat-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.stat-card .num { font-size: 34px; font-weight: 800; color: var(--navy); line-height: 1.1; }
.stat-card .num em { font-style: normal; font-size: 18px; color: var(--gold-text); margin-left: 4px; }
.stat-card .lab { margin-top: 8px; font-size: 14px; color: var(--text-2); }

/* —— 子页窄屏适配 —— */
@media (max-width: 860px) {
  .feature { grid-template-columns: 1fr; gap: 24px; padding: 36px 0; }
  .feature.flip .concept { order: 0; }
  .grid-2, .grid-3, .doc-list { grid-template-columns: 1fr; }
  .phase { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .concept, .concept.tall { min-height: 220px; }
}