/* ===========================================================
   小万 AI · 万企云旗下 AI 员工平台 — v2 LIGHT
   Design tokens: 白底 + 沉稳科技青 + 电光蓝
   风格关键词：现代浅色 SaaS · Stripe/Linear 感 · 数据呼吸感
   =========================================================== */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, select { font: inherit; color: inherit; background: none; border: 0; }
ul { list-style: none; padding: 0; margin: 0; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 700; line-height: 1.2; }
p { margin: 0; }
em { font-style: italic; }

/* ---------- Tokens (LIGHT) ---------- */
:root {
  --bg:           #FFFFFF;
  --bg-2:         #F7F9FC;
  --bg-card:      #FFFFFF;
  --bg-card-2:    #F1F5F9;
  --border:       #E5E7EB;
  --border-strong:rgba(15, 23, 42, 0.10);
  --border-soft:  rgba(15, 23, 42, 0.05);

  --text:         #0F172A;
  --text-2:       #475569;
  --text-3:       #94A3B8;

  --accent:       #00B894;
  --accent-soft:  rgba(0, 184, 148, 0.10);
  --accent-2:     #2563EB;
  --warn:         #DC2626;
  --ok:           #10B981;

  --grad-1:       linear-gradient(135deg, #00B894 0%, #2563EB 100%);
  --grad-2:       linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
  --grad-soft:    linear-gradient(180deg, #F0FDF4 0%, #FFFFFF 100%);
  --grad-blue:    linear-gradient(135deg, rgba(0,184,148,0.06) 0%, rgba(37,99,235,0.06) 100%);

  --radius-sm:    8px;
  --radius:       14px;
  --radius-lg:    22px;

  --shadow-sm:    0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-card:  0 1px 2px rgba(15, 23, 42, 0.04), 0 6px 20px rgba(15, 23, 42, 0.06);
  --shadow-card-hover: 0 4px 8px rgba(15, 23, 42, 0.06), 0 16px 40px rgba(15, 23, 42, 0.08);
  --shadow-glow:  0 10px 36px rgba(0, 184, 148, 0.18);

  --container:    1240px;
  --gutter:       24px;
  --section-y:    clamp(72px, 10vw, 120px);
}

.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero-glow {
  position: absolute;
  width: 70vw;
  height: 70vw;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.5;
}
.hero-glow--a { top: -22%; left: -15%; background: radial-gradient(circle, rgba(0, 184, 148, 0.32) 0%, transparent 65%); }
.hero-glow--b { bottom: -25%; right: -15%; background: radial-gradient(circle, rgba(37, 99, 235, 0.22) 0%, transparent 65%); opacity: 0.55; }

.hero-deco {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.hero-deco--ring-1 {
  width: 560px; height: 560px;
  top: -180px; right: -160px;
  border: 1px solid rgba(0, 184, 148, 0.20);
  background: radial-gradient(circle at center, rgba(0, 184, 148, 0.05) 0%, transparent 70%);
}
.hero-deco--ring-2 {
  width: 340px; height: 340px;
  bottom: -110px; left: 4%;
  border: 1px solid rgba(37, 99, 235, 0.22);
}
.hero-deco--ring-3 {
  width: 180px; height: 180px;
  top: 28%; left: 46%;
  border: 1px solid rgba(15, 23, 42, 0.10);
  border-style: dashed;
}

.hero-line {
  position: absolute;
  left: 0; right: 0;
  top: 38%;
  height: 1px;
  background: linear-gradient(to right, transparent 0%, rgba(15, 23, 42, 0.18) 50%, transparent 100%);
}

.hero-chip {
  position: absolute;
  top: 14%;
  right: 4%;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--text-2);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
  white-space: nowrap;
}
.hero-chip--alt {
  top: auto;
  bottom: 22%;
  right: 6%;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
}
.hero-chip-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
.hero-chip-dot--blue {
  background: var(--accent-2);
  box-shadow: 0 0 8px var(--accent-2);
  animation: none;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.on { opacity: 1; transform: none; }

/* ---------- Buttons ---------- */
.btn-primary, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, color 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad-1);
  color: #FFFFFF;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 14px 40px rgba(0, 184, 148, 0.30); }
.btn-ghost {
  background: #FFFFFF;
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-lg { height: 52px; padding: 0 28px; font-size: 15px; }

/* ===========================================================
   Header / Nav
   =========================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark { width: 140px; height: 32px; display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-weight: 700; letter-spacing: 0.02em; color: var(--text); font-size: 15px; }
.brand-text small { color: var(--text-3); font-size: 11px; letter-spacing: 0.06em; }

.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  font-size: 14px;
  color: var(--text-2);
  position: relative;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -8px;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.25s, left 0.25s;
}
.nav-links a:hover::after { width: 24px; left: calc(50% - 12px); }

.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #FFFFFF;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--text); border-radius: 2px; }

/* ===========================================================
   Hero
   =========================================================== */
.hero {
  position: relative;
  padding: clamp(28px, 4vw, 56px) 0 0;
  overflow: hidden;
  background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 60%);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 60px;
  align-items: center;
  z-index: 1;
}

.eyebrow {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.12em;
  font-weight: 700;
  margin-bottom: 28px;
}

.hero-title {
  font-size: clamp(48px, 6.5vw, 84px);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 24px;
}
.hero-title .accent {
  background: var(--grad-1);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  font-size: clamp(15px, 1.2vw, 18px);
  color: var(--text-2);
  line-height: 1.75;
  max-width: 540px;
  margin-bottom: 36px;
}

.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 36px; }

.hero-points {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  color: var(--text-2);
}
.hero-points li { display: flex; align-items: center; gap: 10px; }
.hero-points .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(0, 184, 148, 0.5);
}

/* Hero right: AI 平台示意图（浅色版） */
.hero-art {
  position: relative;
  aspect-ratio: 6/5;
  max-width: 600px;
  margin-left: auto;
}
.art-lines { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.art-card {
  position: absolute;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-size: 13px;
  box-shadow: var(--shadow-card);
}
.art-card--core {
  top: 38%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 230px;
  background: #FFFFFF;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft), var(--shadow-card);
  z-index: 2;
}
.art-card-title { font-weight: 700; color: var(--text); font-size: 14px; margin-bottom: 4px; }
.art-card-meta { font-size: 11px; color: var(--text-3); margin-bottom: 10px; font-family: "JetBrains Mono", monospace; }
.art-card-rows { display: flex; flex-direction: column; gap: 6px; }
.art-row {
  display: flex; justify-content: space-between; align-items: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--text-2);
}
.art-row em { font-style: normal; font-size: 10px; padding: 1px 5px; border-radius: 3px; }
.art-row em.up { color: var(--ok); background: rgba(16, 185, 129, 0.10); }

.art-card--node {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 12px;
}
.art-card--node .art-emoji { font-size: 14px; }
.art-card--node.n1 { top: 8%; left: 0; }
.art-card--node.n2 { top: 8%; right: 0; }
.art-card--node.n3 { top: 46%; left: -8%; }
.art-card--node.n4 { top: 46%; right: -8%; }
.art-card--node.n5 { bottom: 6%; left: 50%; transform: translateX(-50%); }

/* Hero 横幅滚动 */
.hero-marquee {
  margin-top: clamp(28px, 4vw, 48px);
  padding: 16px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  background: #F8FAFC;
}
.marquee-track {
  display: inline-flex;
  gap: 32px;
  font-size: 13px;
  color: var(--text-3);
  letter-spacing: 0.08em;
  white-space: nowrap;
  animation: marquee 28s linear infinite;
}
.marquee-track span { display: inline-block; }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ===========================================================
   Section common
   =========================================================== */
section { padding: var(--section-y) 0; position: relative; }
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px;
}
.section-eyebrow {
  display: inline-block;
  margin-bottom: 18px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
}
.section-title {
  font-size: clamp(32px, 4.2vw, 52px);
  line-height: 1.15;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}
.section-title em {
  background: var(--grad-1);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: italic;
}
.section-sub {
  color: var(--text-2);
  font-size: 16px;
  line-height: 1.75;
  max-width: 640px;
  margin: 0 auto;
}

/* ===========================================================
   Trust bar
   =========================================================== */
.trust-bar { padding: 56px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: #F8FAFC; }
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}
.stat { text-align: center; padding: 20px; }
.stat-num {
  font-family: "JetBrains Mono", monospace;
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 700;
  background: var(--grad-1);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.stat-label { color: var(--text-2); font-size: 13px; letter-spacing: 0.06em; margin-top: 6px; }

.logo-strip {
  display: flex; flex-direction: column; align-items: center; gap: 18px;
}
.logo-strip-label {
  font-size: 12px; letter-spacing: 0.16em; color: var(--text-3);
}
.logo-grid {
  display: grid; grid-template-columns: repeat(8, 1fr); gap: 14px;
  width: 100%;
}
.logo-cell {
  height: 52px;
  display: flex; align-items: center; justify-content: center;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-3);
  font-size: 11px;
  letter-spacing: 0.08em;
  transition: border-color 0.2s, color 0.2s;
}
.logo-cell:hover { border-color: var(--accent); color: var(--text-2); }

/* ===========================================================
   Six employees
   =========================================================== */
.six-employees { background: #FFFFFF; }
.card-grid--6 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.emp-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 26px 24px;
  position: relative;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}
.emp-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-card-hover);
}
.emp-card--featured {
  background: linear-gradient(180deg, #FFFFFF 0%, #F0FDF4 100%);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft), var(--shadow-card);
}
.emp-card-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 18px;
}
.emp-num {
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  color: var(--text-3);
  letter-spacing: 0.18em;
}
.emp-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent-soft);
}
.emp-card--featured .emp-icon {
  background: var(--grad-1); color: #FFFFFF; border-color: transparent;
}
.emp-flag {
  position: absolute; top: 16px; left: 50%;
  transform: translate(-50%, -50%);
  padding: 3px 12px; border-radius: 999px;
  background: var(--accent); color: #FFFFFF;
  font-size: 11px; font-weight: 700; letter-spacing: 0.06em;
  font-family: "JetBrains Mono", monospace;
}
.emp-title {
  font-size: 22px; color: var(--text); margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.emp-tag { color: var(--text-2); font-size: 14px; margin-bottom: 18px; line-height: 1.5; }
.emp-points {
  display: flex; flex-direction: column; gap: 9px;
  margin-bottom: 24px;
  flex-grow: 1;
}
.emp-points li {
  position: relative;
  padding-left: 18px;
  color: var(--text-2);
  font-size: 13.5px;
  line-height: 1.6;
}
.emp-points li::before {
  content: '';
  position: absolute;
  left: 0; top: 9px;
  width: 6px; height: 6px;
  background: var(--accent); border-radius: 50%;
  opacity: 0.7;
}
.emp-foot {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 18px;
  border-top: 1px dashed var(--border);
}
.emp-price {
  font-family: "JetBrains Mono", monospace;
  font-weight: 700; color: var(--text);
  font-size: 17px;
}
.emp-price small { font-size: 12px; color: var(--text-3); font-weight: 400; }
.emp-price small:first-of-type { margin-right: 2px; }
.emp-link {
  color: var(--accent); font-size: 13px; font-weight: 600;
  transition: gap 0.2s;
}

.combo-bar {
  margin-top: 36px;
  padding: 20px 28px;
  background: linear-gradient(135deg, #FFFFFF 0%, #F0FDF4 100%);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  display: flex; align-items: center; gap: 18px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--text-2);
}
.combo-icon { font-size: 22px; }
.combo-bar strong { color: var(--accent); font-family: "JetBrains Mono", monospace; }
.combo-bar .btn-ghost { margin-left: auto; padding: 0 16px; height: 36px; font-size: 13px; }

/* Services grid (复用 emp-card 样式，仅定义 grid) */
.serv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.emp-points strong { color: var(--accent); font-family: "JetBrains Mono", monospace; font-weight: 600; }
.section-sub strong { color: var(--text); font-weight: 600; }

/* ===========================================================
   Platform
   =========================================================== */
.platform { background: #F8FAFC; }
.platform-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
}
.platform-illu {
  position: relative;
  padding: 28px;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow-card);
}
.layer {
  position: relative;
  padding: 18px 22px;
  background: #F8FAFC;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.layer-tag {
  position: absolute;
  top: -10px;
  left: 18px;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--accent);
  background: #FFFFFF;
  padding: 2px 10px;
  border-radius: 999px;
  border: 1px solid var(--accent);
}
.agent-bubbles { display: flex; flex-wrap: wrap; gap: 8px; }
.agent-bubbles span {
  padding: 6px 12px;
  background: var(--accent-soft);
  border: 1px solid rgba(0, 184, 148, 0.30);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text);
}
.orch { color: var(--text-2); font-size: 14px; }
.layer--core { background: linear-gradient(180deg, rgba(0,184,148,0.06), rgba(0,184,148,0.02)); border-color: var(--accent); }
.core-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.core-grid span {
  text-align: center;
  padding: 10px 4px;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-2);
}
.model-row { font-family: "JetBrains Mono", monospace; font-size: 13px; color: var(--text-2); }

.platform-features { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.pfeat {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-shadow: var(--shadow-sm);
}
.pfeat:hover { border-color: var(--accent); box-shadow: var(--shadow-card); }
.pfeat-icon {
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent-soft);
  color: var(--accent); border-radius: 10px;
  margin-bottom: 14px;
}
.pfeat-icon svg { width: 22px; height: 22px; }
.pfeat h4 { font-size: 16px; color: var(--text); margin-bottom: 6px; }
.pfeat p { color: var(--text-2); font-size: 14px; line-height: 1.6; }

/* ===========================================================
   Scenarios
   =========================================================== */
.scenarios { background: #FFFFFF; }
.scen-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.scen-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px 28px;
  position: relative;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  box-shadow: var(--shadow-sm);
}
.scen-card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: var(--shadow-card-hover); }
.scen-card--hot { background: linear-gradient(180deg, #FFFFFF 0%, #F0FDF4 100%); border-color: var(--accent); }
.scen-num {
  font-family: "Space Grotesk", serif;
  font-style: italic;
  font-size: 72px;
  font-weight: 700;
  background: var(--grad-1);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
  margin-bottom: 18px;
  display: inline-block;
}
.scen-card h3 { font-size: 22px; color: var(--text); margin-bottom: 18px; }
.scen-card ul { display: flex; flex-direction: column; gap: 10px; margin-bottom: 22px; }
.scen-card li {
  position: relative; padding-left: 18px;
  color: var(--text-2); font-size: 14px; line-height: 1.55;
}
.scen-card li::before {
  content: ''; position: absolute; left: 0; top: 8px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
}
.scen-mix {
  display: inline-block;
  padding: 6px 14px;
  background: var(--accent-soft);
  border: 1px solid rgba(0, 184, 148, 0.30);
  border-radius: 999px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.06em;
}

/* ===========================================================
   Cases
   =========================================================== */
.cases { background: #F8FAFC; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex; flex-direction: column; gap: 22px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s, transform 0.3s;
}
.case-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px); }
.case-quote {
  font-size: 17px;
  color: var(--text);
  line-height: 1.55;
  font-style: italic;
  flex-grow: 1;
}
.case-card--alt .case-quote::before { content: '"'; color: var(--accent); }
.case-meta { display: flex; align-items: center; gap: 12px; padding-top: 18px; border-top: 1px dashed var(--border); }
.case-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--grad-1); color: #FFFFFF; font-weight: 700;
  font-family: "Inter", sans-serif;
}
.case-meta strong { display: block; color: var(--text); font-size: 14px; }
.case-meta small { color: var(--text-3); font-size: 12px; }
.case-numbers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; padding-top: 16px; border-top: 1px dashed var(--border); }
.case-numbers b {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 20px;
  color: var(--accent); font-weight: 700;
}
.case-numbers small { color: var(--text-3); font-size: 11px; letter-spacing: 0.06em; }

/* ===========================================================
   Pricing
   =========================================================== */
.pricing { background: #FFFFFF; }
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-bottom: 48px;
}
.price-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  box-shadow: var(--shadow-sm);
}
.price-card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: var(--shadow-card-hover); }
.price-card--featured {
  background: linear-gradient(180deg, #FFFFFF 0%, #F0FDF4 100%);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft), var(--shadow-card);
}
.price-card h4 { font-size: 18px; color: var(--text); margin-bottom: 18px; }
.price-big {
  font-family: "JetBrains Mono", monospace;
  color: var(--text);
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.price-big small { font-size: 14px; color: var(--text-3); font-weight: 400; }
.price-big small:first-of-type { margin-right: 2px; }
.price-card ul { display: flex; flex-direction: column; gap: 8px; }
.price-card li {
  position: relative; padding-left: 22px;
  color: var(--text-2); font-size: 13.5px;
}
.price-card li::before {
  content: '✓'; color: var(--accent); position: absolute; left: 0; top: 0;
  font-weight: 700;
}

.addon {
  padding: 32px;
  background: #F8FAFC;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.addon h4 { font-size: 16px; color: var(--text); margin-bottom: 20px; }
.addon-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.addon-cell {
  padding: 14px 18px;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13.5px;
  color: var(--text-2);
}
.addon-cell--cta {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

/* ===========================================================
   FAQ
   =========================================================== */
.faq { background: #F8FAFC; }
.faq-inner { max-width: 880px; margin: 0 auto; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-shadow: var(--shadow-sm);
}
.faq-item:hover, .faq-item.open { border-color: rgba(0, 184, 148, 0.50); box-shadow: var(--shadow-card); }
.faq-q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px;
  text-align: left;
  color: var(--text); font-size: 16px; font-weight: 600;
}
.faq-arrow {
  position: relative; width: 16px; height: 16px;
  flex-shrink: 0;
}
.faq-arrow::before, .faq-arrow::after {
  content: ''; position: absolute; background: var(--text-2);
  transition: transform 0.3s;
}
.faq-arrow::before { left: 0; top: 50%; width: 16px; height: 2px; margin-top: -1px; }
.faq-arrow::after { left: 50%; top: 0; width: 2px; height: 16px; margin-left: -1px; }
.open .faq-arrow::after { transform: rotate(90deg); opacity: 0; }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height 0.3s ease;
  color: var(--text-2);
}
.open .faq-a { max-height: 320px; }
.faq-a p { padding: 0 24px 22px; line-height: 1.7; font-size: 14px; }

/* ===========================================================
   CTA section
   =========================================================== */
.cta-section { background: #FFFFFF; }
.cta-card {
  background: var(--grad-blue);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.cta-card::before {
  content: '';
  position: absolute;
  top: -50%; left: -10%;
  width: 120%; height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(0, 184, 148, 0.14) 0%, transparent 50%);
  pointer-events: none;
}
.cta-eyebrow {
  position: relative;
  display: inline-block;
  margin-bottom: 18px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--accent);
}
.cta-card h2 {
  position: relative;
  font-size: clamp(32px, 4vw, 44px);
  margin-bottom: 14px;
  color: var(--text);
}
.cta-card h2 em {
  background: var(--grad-1);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.cta-card p {
  position: relative;
  color: var(--text-2);
  margin-bottom: 28px;
  font-size: 15px;
}
.cta-form {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 1.2fr 1fr auto;
  gap: 10px;
  margin-bottom: 14px;
}
.cta-form input, .cta-form select {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0 16px;
  height: 50px;
  font-size: 14px;
  color: var(--text);
  outline: none;
}
.cta-form input::placeholder { color: var(--text-3); }
.cta-form select { appearance: none; background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>"); background-repeat: no-repeat; background-position: right 16px center; padding-right: 36px; }
.cta-form input:focus, .cta-form select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.cta-ok {
  display: none; padding: 14px 0; font-size: 14px; color: var(--ok);
}
.cta-ok.on { display: block; }
.cta-foot {
  position: relative;
  display: block;
  color: var(--text-3);
  font-size: 12px;
  letter-spacing: 0.04em;
}

/* ===========================================================
   Footer (light → 浅色卡片)
   =========================================================== */
.site-footer {
  background: #F8FAFC;
  padding: 64px 0 28px;
  border-top: 1px solid var(--border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 36px;
}
.footer-brand strong { display: block; color: var(--text); font-size: 16px; margin-top: 8px; }
.footer-brand small { color: var(--text-3); font-size: 12px; letter-spacing: 0.08em; }
.footer-brand p { margin-top: 12px; color: var(--text-2); font-size: 13px; line-height: 1.7; max-width: 240px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h5 { color: var(--text); font-size: 13px; margin-bottom: 6px; letter-spacing: 0.04em; font-weight: 700; }
.footer-col a { color: var(--text-2); font-size: 13px; transition: color 0.2s; }
.footer-col a:hover { color: var(--accent); }

.footer-meta {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; flex-wrap: wrap;
  color: var(--text-3); font-size: 12px;
}
.footer-meta a:hover { color: var(--accent); }

/* ===========================================================
   Responsive
   =========================================================== */
@media (max-width: 980px) {
  .nav-links { display: none; }
  .nav-actions .btn-ghost, .nav-actions .btn-primary { display: none; }
  .nav-toggle { display: flex; }

  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-art { max-width: 480px; margin: 0 auto; }

  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .logo-grid { grid-template-columns: repeat(4, 1fr); }

  .card-grid--6, .scen-grid, .case-grid, .price-grid, .serv-grid { grid-template-columns: 1fr 1fr; }
  .platform-grid { grid-template-columns: 1fr; gap: 32px; }
  .platform-features { grid-template-columns: 1fr 1fr; }
  .addon-grid { grid-template-columns: repeat(2, 1fr); }

  .cta-form { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  :root { --gutter: 18px; }
  .nav-inner { gap: 12px; }
  .nav-actions .btn-primary { display: none; }

  .stat-grid { grid-template-columns: 1fr 1fr; }
  .logo-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid--6, .scen-grid, .case-grid, .price-grid, .serv-grid,
  .platform-features, .footer-grid { grid-template-columns: 1fr; }
  .addon-grid { grid-template-columns: 1fr; }

  .hero-title { font-size: 42px; }
  .section-title { font-size: 30px; }

  .cta-card { padding: 40px 22px; }
}

/* Mobile menu open state */
@media (max-width: 980px) {
  .nav-open .nav-links {
    display: flex;
    position: absolute;
    top: 68px; left: 0; right: 0;
    flex-direction: column;
    background: #FFFFFF;
    border-bottom: 1px solid var(--border);
    padding: 20px var(--gutter);
    gap: 18px;
  }
}

/* ===========================================================
   Horiz Scroll Showcase 局部样式（公共部分之上）
   =========================================================== */

/* Panel 左侧 meta chip 云 */
.horiz-meta {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px;
}
.horiz-meta-item {
  display: inline-block;
  padding: 4px 12px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--text-2);
  background: #F1F5F9;
  border: 1px solid var(--border);
  border-radius: 999px;
}
.horiz-stat-num em.count { font-style: normal; }

/* 顶部自动滚动进度条 */
.horiz-progress {
  position: relative;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: 3px;
}
.horiz-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #00B894, #2563EB);
  border-radius: 999px;
  transition: width 0.4s linear;
}

/* ============ Code Block 通用 ============ */
.exec-code, .integ-code {
  margin: 0;
  background: #0F172A;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid #1E293B;
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.10);
}
.exec-code header, .integ-code header {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px;
  background: #1E293B;
  color: #94A3B8;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  border-bottom: 1px solid #1E293B;
}
.exec-code-dots, .integ-code-dots {
  display: inline-flex; gap: 5px;
}
.exec-code-dots i, .integ-code-dots i {
  width: 10px; height: 10px; border-radius: 50%;
}
.exec-code-dots i:nth-child(1), .integ-code-dots i:nth-child(1) { background: #FF6B6B; }
.exec-code-dots i:nth-child(2), .integ-code-dots i:nth-child(2) { background: #FFD93D; }
.exec-code-dots i:nth-child(3), .integ-code-dots i:nth-child(3) { background: #6BCB77; }
.exec-code-name { font-weight: 700; color: #E2E8F0; }
.exec-code-lang, .integ-code-lang { margin-left: auto; opacity: 0.7; }
.exec-code pre, .integ-code pre {
  margin: 0;
  padding: 14px 18px;
  overflow: auto;
  font-family: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11.5px;
  line-height: 1.55;
  color: #E2E8F0;
  max-height: 260px;
}
.exec-code pre::-webkit-scrollbar, .integ-code pre::-webkit-scrollbar { width: 8px; height: 6px; }
.exec-code pre::-webkit-scrollbar-thumb, .integ-code pre::-webkit-scrollbar-thumb { background: #475569; border-radius: 999px; }
.exec-code pre::-webkit-scrollbar-track, .integ-code pre::-webkit-scrollbar-track { background: rgba(255,255,255,0.04); }
.exec-code code, .integ-code code {
  display: block; white-space: pre; font-family: inherit;
}

/* 手写语法高亮 token */
.tk-cm  { color: #64748B; font-style: italic; }
.tk-key { color: #93C5FD; }
.tk-var { color: #FDE68A; }
.tk-str { color: #86EFAC; }
.tk-fn  { color: #C4B5FD; }
.tk-bool{ color: #FDA4AF; }

/* ===========================================================
   Panel 01 — 任务与执行 · Hub-and-Spoke + 代码
   =========================================================== */
.exec-hub {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 14px;
  height: 180px;
  margin-bottom: 14px;
  padding: 8px;
}
.exec-lines {
  position: absolute;
  inset: 8px;
  width: calc(100% - 16px);
  height: calc(100% - 16px);
  pointer-events: none;
  z-index: 0;
}
.exec-lines line {
  stroke: rgba(0, 184, 148, 0.30);
  stroke-width: 1.4;
  stroke-dasharray: 4 4;
  animation: execLineFlow 6s linear infinite;
}
.exec-lines line:nth-child(2) { animation-delay: -1.5s; }
.exec-lines line:nth-child(3) { animation-delay: -3s; }
.exec-lines line:nth-child(4) { animation-delay: -4.5s; }
@keyframes execLineFlow { to { stroke-dashoffset: -80; } }

.exec-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 90px; height: 90px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00B894, #2563EB);
  color: #fff;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  box-shadow: 0 0 0 6px var(--accent-soft), 0 12px 28px rgba(0, 184, 148, 0.30);
  z-index: 2;
}
.exec-center strong { font-size: 13px; font-weight: 700; }
.exec-center small { font-size: 9px; opacity: 0.85; font-family: "JetBrains Mono", monospace; }
.exec-center-pulse {
  position: absolute; inset: -6px; border-radius: 50%;
  border: 2px solid var(--accent);
  animation: centerPulse 2.2s ease-out infinite;
  opacity: 0;
}
@keyframes centerPulse {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.6); opacity: 0; }
}

.exec-agent {
  position: relative;
  z-index: 1;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px 10px;
  font-size: 11.5px;
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; gap: 3px;
}
.exec-agent strong { color: var(--text); font-size: 12px; }
.exec-agent small { color: var(--text-3); font-size: 10px; font-family: "JetBrains Mono", monospace; }
.exec-agent-emoji { font-size: 16px; }
.exec-agent-bar {
  display: block;
  height: 4px; border-radius: 999px;
  background: var(--bg-2);
  overflow: hidden;
  margin-top: 2px;
}
.exec-agent-bar i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #00B894, #2563EB);
  border-radius: inherit;
}

/* ===========================================================
   Panel 02 — 感知与认知 · 多模态流
   =========================================================== */
.sense-flow {
  display: flex; flex-direction: column;
  gap: 12px;
}
.sense-inputs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.sense-input {
  display: flex; flex-direction: column; gap: 6px;
  font-size: 11px;
  color: var(--text-2);
  text-align: center;
}
.sense-thumb {
  position: relative;
  aspect-ratio: 1;
  background: linear-gradient(135deg, #F8FAFC, #FFFFFF);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s;
}
.sense-input:hover .sense-thumb { transform: translateY(-3px); border-color: var(--accent); }

.sense-img-mock {
  position: absolute; inset: 12px;
  background: linear-gradient(135deg, #93C5FD, #C4B5FD 50%, #FBCFE8);
  border-radius: 6px;
}
.sense-img-mock::before {
  content: ''; position: absolute; left: 10%; top: 20%;
  width: 30%; height: 30%; border-radius: 50%;
  background: rgba(255, 255, 255, 0.7);
}
.sense-img-mock::after {
  content: ''; position: absolute; right: 0; bottom: 0;
  width: 100%; height: 60%;
  background: linear-gradient(135deg, rgba(255,255,255,0.5), transparent);
  border-radius: 50% 0 0 0;
}

.sense-wave { width: 100%; height: 60%; color: var(--accent); margin-top: 25%; }
.sense-wave path { stroke-dasharray: 80; animation: waveDraw 3s linear infinite; }
@keyframes waveDraw { to { stroke-dashoffset: -160; } }

.sense-video-mock {
  position: absolute; inset: 14px;
  background: linear-gradient(135deg, #1F2937, #374151);
  border-radius: 6px;
}
.sense-video-mock::before {
  content: ''; position: absolute; left: 0; right: 0; top: 50%; height: 4px;
  background: rgba(255, 255, 255, 0.08);
}
.sense-video-play {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 26px; height: 26px; border-radius: 50%;
  background: rgba(255,255,255,0.9);
  color: #0F172A;
  font-size: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  padding-left: 2px;
}

.sense-doc-mock {
  position: absolute; inset: 14px;
  display: flex; flex-direction: column; gap: 6px;
  padding: 4px 0;
}
.sense-doc-mock i {
  display: block; height: 4px;
  background: linear-gradient(90deg, var(--text-3), transparent);
  border-radius: 2px;
  opacity: 0.5;
}
.sense-doc-mock i:nth-child(1) { width: 80%; opacity: 0.8; }
.sense-doc-mock i:nth-child(2) { width: 95%; }
.sense-doc-mock i:nth-child(3) { width: 70%; }
.sense-doc-mock i:nth-child(4) { width: 88%; }
.sense-doc-mock i:nth-child(5) { width: 60%; opacity: 0.6; }

/* 流向中央的 4 个动画箭头 */
.sense-arrows {
  position: relative;
  height: 40px;
  margin: -2px 0;
}
.sense-arrows .sense-arr {
  position: absolute;
  top: 50%; left: 18%; right: 18%;
  height: 2px;
  background: linear-gradient(90deg, rgba(0, 184, 148, 0.6), transparent);
  transform: translateY(-50%);
}
.sense-arrows .sense-arr-dot {
  position: absolute;
  left: 50%; top: 50%;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--accent);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 12px var(--accent);
}

/* 中央感知模型 */
.sense-core {
  position: relative;
  padding: 18px 22px;
  background: linear-gradient(135deg, #00B894, #2563EB);
  color: #FFFFFF;
  border-radius: 14px;
  text-align: center;
  display: flex; flex-direction: column; gap: 4px;
  box-shadow: 0 12px 28px rgba(0, 184, 148, 0.30);
  overflow: hidden;
}
.sense-core strong { font-size: 16px; font-weight: 700; }
.sense-core small { font-size: 11px; opacity: 0.85; font-family: "JetBrains Mono", monospace; }
.sense-core-pulse {
  position: absolute; inset: -4px;
  border-radius: inherit;
  border: 2px solid rgba(255, 255, 255, 0.5);
  animation: centerPulse 2.4s ease-out infinite;
}

/* 输出 chips */
.sense-outputs {
  display: flex; flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}
.sense-out-chip {
  padding: 6px 14px;
  background: var(--accent-soft);
  border: 1px solid rgba(0, 184, 148, 0.30);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  transition: transform 0.2s;
}
.sense-out-chip:hover { transform: translateY(-2px); }

/* ===========================================================
   Panel 03 — 知识与检索 · 本体图谱 + 三路召回
   =========================================================== */
.kg-graph {
  position: relative;
  padding: 14px 0;
  margin-bottom: 16px;
  background: linear-gradient(180deg, #F7FAFC, #FFFFFF);
  border: 1px dashed var(--border);
  border-radius: 14px;
}
.kg-svg { width: 100%; height: auto; display: block; }
.kg-node circle {
  fill: #FFFFFF;
  stroke: var(--accent);
  stroke-width: 2;
  transition: fill 0.3s;
}
.kg-node circle:hover { fill: var(--accent-soft); }
.kg-node text {
  font-size: 13px;
  font-weight: 600;
  fill: var(--text);
  text-anchor: middle;
  dominant-baseline: middle;
  pointer-events: none;
}
.kg-node--core circle {
  fill: var(--accent);
  stroke: var(--accent);
}
.kg-node--core text { fill: #FFFFFF; }
.kg-edge {
  stroke: rgba(0, 184, 148, 0.55);
  stroke-width: 1.5;
  stroke-dasharray: 4 3;
  animation: edgeDash 8s linear infinite;
}
@keyframes edgeDash { to { stroke-dashoffset: -100; } }
.kg-rel {
  font-family: "JetBrains Mono", monospace;
  font-size: 9px;
  fill: var(--text-3);
  text-anchor: middle;
}

.recall-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.recall-col {
  background: #F8FAFC;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
}
.recall-col header {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.recall-dot {
  display: inline-block;
  width: 8px; height: 8px; border-radius: 50%;
}
.recall-dot--k { background: #FF6B35; }
.recall-dot--v { background: #2563EB; }
.recall-dot--g { background: #00B894; }
.recall-col ul { display: flex; flex-direction: column; gap: 6px; }
.recall-col li {
  position: relative; padding: 6px 0 6px 14px;
  font-size: 11.5px; color: var(--text-2);
  line-height: 1.4;
  border-bottom: 1px dashed var(--border);
}
.recall-col li:last-child { border-bottom: none; }
.recall-col li i {
  position: absolute; left: 0; top: 11px;
  width: 6px; height: 6px; border-radius: 50%;
  background: currentColor; opacity: 0.5;
}
.recall-col:nth-child(1) li i { color: #FF6B35; }
.recall-col:nth-child(2) li i { color: #2563EB; }
.recall-col:nth-child(3) li i { color: #00B894; }

/* ===========================================================
   Panel 04 — 集成与对接 · 流程画布 + SDK + 图标墙
   =========================================================== */
.integ-flow {
  display: flex; align-items: center; gap: 6px;
  padding: 14px;
  background: #F8FAFC;
  border: 1px solid var(--border);
  border-radius: 14px;
  margin-bottom: 16px;
  overflow-x: auto;
}
.integ-flow::-webkit-scrollbar { display: none; }
.integ-node {
  flex-shrink: 0;
  background: #FFFFFF;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  display: flex; flex-direction: column; gap: 3px;
  font-size: 11.5px;
  position: relative;
  box-shadow: var(--shadow-sm);
}
.integ-node strong { color: var(--text); font-weight: 700; }
.integ-node small { color: var(--text-3); font-family: "JetBrains Mono", monospace; font-size: 9px; }
.integ-node--start { border-color: var(--accent); }
.integ-node--branch { border-color: #FF6B35; border-style: dashed; }
.integ-node--end { border-color: #2563EB; }
.integ-node-dot {
  position: absolute; top: -5px; left: -5px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent); border: 2px solid #FFFFFF;
}
.integ-node-dot--green { background: #3DDC97; }
.integ-node-dot--orange { background: #FF6B35; }
.integ-node-dot--blue { background: #2563EB; }

.integ-arrow {
  flex-shrink: 0;
  position: relative;
  width: 28px; height: 2px;
  background: linear-gradient(90deg, var(--text-3), transparent);
}
.integ-arrow i {
  position: absolute; right: 0; top: -3px;
  width: 0; height: 0;
  border-left: 6px solid var(--text-3);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
}

/* SDK tabs */
.integ-tabs {
  display: inline-flex;
  background: #1E293B;
  border-radius: 12px 12px 0 0;
  padding: 4px 6px 0;
  margin-bottom: -1px;
  position: relative; z-index: 1;
}
.integ-tab {
  padding: 7px 14px;
  background: transparent;
  color: #94A3B8;
  border: 0;
  border-radius: 8px 8px 0 0;
  font-size: 12px;
  font-family: "JetBrains Mono", monospace;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.integ-tab:hover { color: #E2E8F0; }
.integ-tab.on {
  background: #0F172A;
  color: var(--accent);
  font-weight: 700;
}

/* 接入图标墙 */
.integ-icons {
  margin-top: 16px;
  padding: 14px 16px;
  background: #F8FAFC;
  border: 1px solid var(--border);
  border-radius: 12px;
}
.integ-icons-label {
  display: block;
  font-size: 11px;
  color: var(--text-3);
  font-family: "JetBrains Mono", monospace;
  margin-bottom: 10px;
  letter-spacing: 0.06em;
}
.integ-icons-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}
.integ-icons-grid span {
  padding: 6px 10px;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 11px;
  color: var(--text-2);
  text-align: center;
  transition: border-color 0.2s, color 0.2s, transform 0.2s;
}
.integ-icons-grid span:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ===========================================================
   Panel 05 — 安全与合规 · 徽章墙 + 审计时间线
   =========================================================== */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}
.cert-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 12px;
  text-align: center;
  display: flex; flex-direction: column; gap: 4px;
  align-items: center;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  box-shadow: var(--shadow-sm);
}
.cert-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: var(--shadow-card-hover);
}
.cert-icon {
  font-size: 24px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--accent-soft);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 4px;
}
.cert-card strong {
  font-size: 12.5px;
  color: var(--text);
  font-weight: 700;
}
.cert-card small {
  font-size: 10px;
  color: var(--text-3);
  font-family: "JetBrains Mono", monospace;
}

.audit-timeline {
  background: #0F172A;
  border-radius: 14px;
  padding: 16px;
  color: #E2E8F0;
}
.audit-timeline header {
  display: flex; flex-direction: column; gap: 2px;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid #1E293B;
}
.audit-timeline header strong { color: #00B894; font-size: 13px; }
.audit-timeline header small { font-size: 11px; color: #94A3B8; }

.audit-list {
  display: flex; flex-direction: column; gap: 10px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11.5px;
}
.audit-list li {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 4px 12px;
}
.audit-t {
  color: #64748B;
  font-weight: 600;
}
.audit-w {
  display: flex; align-items: center; gap: 8px;
  color: #CBD5E1;
  flex-wrap: wrap;
}
.audit-w span {
  display: inline-block;
  padding: 2px 8px;
  background: rgba(255, 107, 53, 0.10);
  color: #FFB088;
  border-radius: 4px;
  font-size: 10.5px;
  letter-spacing: 0.04em;
}
.audit-w em {
  font-style: normal;
  color: #E2E8F0;
}
.audit-warn--blue { background: rgba(74, 158, 255, 0.10) !important; color: #93C5FD !important; }
.audit-warn--green { background: rgba(61, 220, 151, 0.10) !important; color: #86EFAC !important; }
.audit-meta {
  grid-column: 2;
  color: #64748B;
  font-size: 10.5px;
}

/* ===========================================================
   Panel 转场特效 + content-visibility 性能护栏
   =========================================================== */
.horiz-panel {
  transition: opacity 0.45s ease, transform 0.45s ease;
}
.horiz-panel.is-past   { opacity: 0.35; }
.horiz-panel.is-future { opacity: 0.35; }

@media (min-width: 981px) {
  /* off-screen panel 内容不渲染，节省首屏 + 减少重绘 */
  .horiz-panel {
    content-visibility: auto;
    contain-intrinsic-size: 600px 480px;
  }
}
@media (max-width: 980px) {
  .horiz-panel.is-past, .horiz-panel.is-future { opacity: 1; }
}

/* count animation（resp. 数字在 viewport 时才计数） */
.horiz-stat-num em.count { display: inline-block; }

/* ===========================================================
   响应式补充
   =========================================================== */
@media (max-width: 980px) {
  .exec-hub { height: 200px; }
  .recall-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .sense-inputs { grid-template-columns: repeat(2, 1fr); }
  .integ-icons-grid { grid-template-columns: repeat(3, 1fr); }
  .kg-graph { padding: 8px; }
}
@media (max-width: 640px) {
  .horiz-panel-inner { padding: 26px 18px; min-height: auto; }
  .exec-hub { height: 180px; }
  .exec-center { width: 76px; height: 76px; }
  .exec-agent { padding: 8px 10px; font-size: 11px; }
  .recall-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr 1fr; }
  .integ-flow { flex-wrap: wrap; }
  .integ-icons-grid { grid-template-columns: repeat(2, 1fr); }
}

/* prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .marquee-track, .exec-lines line, .kg-edge, .sense-wave path { animation: none !important; }
  .horiz-panel { transition: none !important; opacity: 1 !important; transform: none !important; }
}

/* ===========================================================
   Horiz Scroll Showcase — 小万智脑 5 层能力
   =========================================================== */
.platform { background: linear-gradient(180deg, #FFFFFF 0%, #F7FAFC 100%); }

.horiz-hint {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.08em;
  font-weight: 600;
  font-family: "JetBrains Mono", monospace;
}

.horiz-rail {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
  margin-top: 48px;
}
.horiz-rail::-webkit-scrollbar { display: none; }

.horiz-panel {
  flex: 0 0 100%;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  padding: 12px var(--gutter);
  box-sizing: border-box;
}
.horiz-panel-inner {
  display: grid;
  grid-template-columns: 38% 1fr;
  gap: 56px;
  max-width: 1200px;
  margin: 0 auto;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 48px 48px;
  min-height: 480px;
  box-shadow: var(--shadow-card);
}

.horiz-num {
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--text-3);
  display: inline-block;
  margin-bottom: 18px;
}
.horiz-title {
  font-size: clamp(34px, 3.6vw, 48px);
  color: var(--text);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin-bottom: 14px;
}
.horiz-tag {
  font-size: 16px;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 16px;
  padding-left: 14px;
  border-left: 3px solid var(--accent);
}
.horiz-desc {
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.75;
  margin-bottom: 32px;
  max-width: 380px;
}

.horiz-stat {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 22px;
  background: linear-gradient(135deg, #F0FDF4 0%, #FFFFFF 100%);
  border: 1px solid var(--accent);
  border-radius: 14px;
  box-shadow: 0 0 0 4px var(--accent-soft);
  max-width: 420px;
}
.horiz-stat-num {
  font-family: "JetBrains Mono", monospace;
  font-size: 38px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.horiz-stat-num small {
  font-size: 18px;
  color: var(--accent);
  font-weight: 700;
  margin-left: 4px;
}
.horiz-stat-desc {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.55;
}

.horiz-points {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 12px 0;
}
.horiz-points li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--border);
}
.horiz-points li:last-child { border-bottom: none; }
.horiz-points li b {
  font-size: 16px;
  color: var(--text);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
}
.horiz-points li b::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  margin-right: 10px;
  box-shadow: 0 0 8px var(--accent);
}
.horiz-points li span {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.65;
  padding-left: 16px;
}

.horiz-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 32px 0 8px;
}
.horiz-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #FFFFFF;
  border: 1px solid var(--border);
  color: var(--text-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s, color 0.2s, transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
}
.horiz-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: scale(1.05);
  box-shadow: var(--shadow-card);
}
.horiz-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}
.horiz-dots {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.horiz-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  border: 0;
  padding: 0;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s, width 0.25s;
}
.horiz-dot:hover { background: var(--text-3); }
.horiz-dot.on {
  background: var(--accent);
  width: 28px;
  border-radius: 999px;
}

/* Responsive: tablet+以下变垂直滚动 */
@media (max-width: 980px) {
  .horiz-panel-inner { grid-template-columns: 1fr; gap: 28px; padding: 32px 26px; min-height: auto; }
  .horiz-rail {
    flex-direction: column;
    overflow-x: visible;
    scroll-snap-type: none;
  }
  .horiz-panel { flex: 0 0 auto; padding: 12px 0; scroll-snap-align: none; }
  .horiz-stat { max-width: none; }
}
@media (max-width: 640px) {
  .horiz-panel-inner { padding: 28px 22px; }
  .horiz-title { font-size: 30px; }
  .horiz-stat-num { font-size: 30px; }
}