/* ============================================================
   轻数智能官网 · 全局样式
   设计语言：深色科技风 · 主色蓝紫渐变 · 简洁专业
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
  --bg-base: #0a0c14;
  --bg-card: #111827;
  --bg-card-hover: #1a2236;
  --bg-alt: #0d1117;
  --border: rgba(255,255,255,0.08);
  --border-light: rgba(255,255,255,0.12);

  --blue: #3b82f6;
  --blue-light: #60a5fa;
  --purple: #8b5cf6;
  --teal: #14b8a6;
  --gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  --gradient-text: linear-gradient(135deg, #60a5fa 0%, #a78bfa 60%, #34d399 100%);

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.25s ease;

  --nav-h: 64px;
  --container: 1160px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", "Segoe UI", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; }

/* ---------- Utility ---------- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section { padding: 96px 0; }
.bg-dark-alt { background: var(--bg-alt); }

.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-light);
  background: rgba(59,130,246,0.12);
  border: 1px solid rgba(59,130,246,0.25);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 16px;
  color: var(--text-primary);
}
.section-title-left {
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
  color: var(--text-primary);
}
.section-sub {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 56px;
  text-align: center;
}

/* ---------- Buttons ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient);
  color: #fff;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  transition: opacity var(--transition), transform var(--transition);
  box-shadow: 0 4px 24px rgba(59,130,246,0.35);
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1.5px solid var(--border-light);
  color: var(--text-primary);
  padding: 13px 28px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  transition: border-color var(--transition), background var(--transition);
}
.btn-outline:hover { border-color: var(--blue-light); background: rgba(59,130,246,0.08); }
.btn-lg { padding: 16px 36px; font-size: 16px; }
.btn-full { width: 100%; justify-content: center; }
.btn-nav {
  display: inline-flex;
  align-items: center;
  background: var(--gradient);
  color: #fff;
  padding: 8px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  transition: opacity var(--transition);
  white-space: nowrap;
}
.btn-nav:hover { opacity: 0.85; }

/* ---------- NAV ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  height: var(--nav-h);
  background: rgba(10, 12, 20, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.nav.scrolled { background: rgba(10,12,20,0.98); }
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}
.logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 2px;
}
.logo-mark {
  font-size: 20px;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.logo-sub {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-secondary);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--text-primary);
  background: rgba(255,255,255,0.07);
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 12px 24px 20px;
  background: rgba(10,12,20,0.98);
  border-top: 1px solid var(--border);
}
.mobile-menu a {
  font-size: 15px;
  color: var(--text-secondary);
  padding: 10px 0;
}
.mobile-menu a:hover { color: var(--text-primary); }
.btn-mobile {
  display: inline-block;
  background: var(--gradient);
  color: #fff !important;
  padding: 12px 0;
  border-radius: var(--radius);
  font-weight: 600;
  text-align: center;
  margin-top: 8px;
}

/* ---------- HERO BACKGROUND ---------- */
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,130,246,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
}
.glow-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #3b82f6, transparent 70%);
  top: -200px; left: -100px;
}
.glow-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #8b5cf6, transparent 70%);
  top: 100px; right: -50px;
  opacity: 0.25;
}

/* ---------- HERO (HOME) ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-h) + 60px) 24px 80px;
  text-align: center;
  overflow: hidden;
}
.hero-content { position: relative; z-index: 1; }
.hero-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-light);
  background: rgba(59,130,246,0.12);
  border: 1px solid rgba(59,130,246,0.3);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
}
.hero-title {
  font-size: clamp(40px, 7vw, 76px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.hero-desc {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}
.hero-stats {
  display: flex;
  gap: 0;
  justify-content: center;
  flex-wrap: wrap;
  align-items: center;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 40px;
  gap: 32px;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
}
.stat-num em { font-size: 16px; font-style: normal; color: var(--text-secondary); }
.stat-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }
.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 12px;
  z-index: 1;
  animation: fadeInUp 1s 1.5s both;
}
.scroll-arrow {
  width: 20px; height: 20px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
  animation: bounce 1.5s infinite;
}
@keyframes bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(4px); }
}

/* ---------- PAGE HERO ---------- */
.page-hero {
  position: relative;
  padding: calc(var(--nav-h) + 80px) 24px 80px;
  text-align: center;
  overflow: hidden;
}
.page-hero-sm { padding: calc(var(--nav-h) + 60px) 24px 60px; }
.page-hero .container { position: relative; z-index: 1; }
.page-hero-title {
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.page-hero-desc {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ---------- PAIN ---------- */
.pain { text-align: center; }
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.pain-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: left;
  transition: border-color var(--transition), transform var(--transition);
}
.pain-card:hover { border-color: var(--border-light); transform: translateY(-4px); }
.pain-icon { font-size: 36px; margin-bottom: 16px; }
.pain-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.pain-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* ---------- SOLUTION ---------- */
.solution { text-align: center; }
.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.solution-card {
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: left;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition);
}
.solution-card:hover { transform: translateY(-4px); }
.card-blue { background: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(59,130,246,0.05)); border: 1px solid rgba(59,130,246,0.25); }
.card-purple { background: linear-gradient(135deg, rgba(139,92,246,0.15), rgba(139,92,246,0.05)); border: 1px solid rgba(139,92,246,0.25); }
.card-teal { background: linear-gradient(135deg, rgba(20,184,166,0.15), rgba(20,184,166,0.05)); border: 1px solid rgba(20,184,166,0.25); }
.sol-num { font-size: 48px; font-weight: 800; opacity: 0.15; line-height: 1; margin-bottom: 16px; }
.solution-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.solution-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.75; }

/* ---------- VALUE ---------- */
.value { text-align: center; }
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
  align-items: start;
}
.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: left;
  transition: border-color var(--transition), transform var(--transition);
}
.value-card-center {
  border-color: rgba(59,130,246,0.3);
  background: rgba(59,130,246,0.07);
}
.value-card:hover { border-color: var(--border-light); transform: translateY(-4px); }
.value-icon { font-size: 32px; margin-bottom: 16px; }
.value-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 14px; }
.value-card li { font-size: 14px; color: var(--text-secondary); padding: 5px 0; padding-left: 16px; position: relative; }
.value-card li::before { content: "·"; position: absolute; left: 0; color: var(--blue-light); font-size: 18px; line-height: 1.3; }

/* ---------- MILESTONES ---------- */
.milestones { text-align: center; }
.milestone-track {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-top: 56px;
  flex-wrap: wrap;
}
.milestone-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 200px;
}
.ms-dot {
  width: 16px; height: 16px;
  background: var(--blue);
  border-radius: 50%;
  box-shadow: 0 0 20px var(--blue);
  flex-shrink: 0;
}
.ms-dot-2 { background: var(--purple); box-shadow: 0 0 20px var(--purple); }
.ms-dot-3 { background: var(--teal); box-shadow: 0 0 20px var(--teal); }
.milestone-line { flex: 1; height: 1px; background: var(--border-light); min-width: 60px; max-width: 120px; }
.ms-time { font-size: 14px; font-weight: 700; color: var(--blue-light); }
.ms-text { font-size: 14px; color: var(--text-secondary); text-align: center; line-height: 1.6; }

/* ---------- HONORS ---------- */
.honors { text-align: center; }
.honor-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 48px;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}
.honor-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 28px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: left;
  transition: border-color var(--transition), color var(--transition);
}
.honor-card:hover { border-color: rgba(59,130,246,0.4); color: var(--text-primary); }

/* ---------- CTA SECTION ---------- */
.cta-section { padding: 64px 0; }
.cta-box {
  background: linear-gradient(135deg, rgba(59,130,246,0.1), rgba(139,92,246,0.1));
  border: 1px solid rgba(139,92,246,0.25);
  border-radius: var(--radius-lg);
  padding: 72px 48px;
  text-align: center;
}
.cta-box h2 { font-size: clamp(24px, 3.5vw, 38px); font-weight: 700; margin-bottom: 12px; }
.cta-box p { font-size: 17px; color: var(--text-secondary); margin-bottom: 36px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- FOOTER ---------- */
.footer { border-top: 1px solid var(--border); padding-top: 64px; }
.footer-inner {
  display: flex;
  gap: 64px;
  padding-bottom: 48px;
  flex-wrap: wrap;
}
.footer-brand {
  flex: 1;
  min-width: 220px;
}
.footer-brand .logo-mark { font-size: 22px; font-weight: 800; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.footer-brand .logo-sub { font-size: 20px; font-weight: 700; color: var(--text-secondary); }
.footer-brand p { font-size: 13px; color: var(--text-muted); margin-top: 12px; line-height: 1.7; }
.footer-links {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col-title { font-size: 13px; font-weight: 700; color: var(--text-primary); letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 4px; }
.footer-col a { font-size: 14px; color: var(--text-muted); transition: color var(--transition); }
.footer-col a:hover { color: var(--text-primary); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 24px;
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- PRODUCT PAGE: ARCHITECTURE ---------- */
.arch-wrap {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 800px;
  margin: 48px auto 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}
.arch-layer {
  padding: 24px 32px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 24px;
  transition: background var(--transition);
}
.arch-layer:last-child { border-bottom: none; }
.arch-layer:hover { background: rgba(255,255,255,0.03); }
.layer-1 { background: rgba(59,130,246,0.1); }
.layer-2 { background: rgba(139,92,246,0.08); }
.layer-3 { background: rgba(20,184,166,0.06); }
.layer-4 { background: rgba(255,255,255,0.03); }
.layer-tag {
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--blue-light);
  background: rgba(59,130,246,0.15);
  border: 1px solid rgba(59,130,246,0.3);
  padding: 3px 10px;
  border-radius: 100px;
  width: 72px;
  text-align: center;
}
.layer-title { font-size: 16px; font-weight: 700; width: 140px; flex-shrink: 0; }
.layer-desc { font-size: 14px; color: var(--text-secondary); }

/* ---------- PRODUCT PAGE: IP FLOW ---------- */
.ip-flow {
  display: flex;
  gap: 0;
  margin-top: 48px;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
}
.ip-step {
  flex: 1;
  min-width: 200px;
  max-width: 240px;
  text-align: center;
  padding: 28px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition);
}
.ip-step:hover { border-color: var(--border-light); }
.ip-icon { font-size: 36px; margin-bottom: 14px; }
.ip-step h3 { font-size: 16px; font-weight: 700; margin-bottom: 10px; }
.ip-step p { font-size: 13px; color: var(--text-secondary); line-height: 1.65; }
.ip-arrow {
  display: flex;
  align-items: center;
  font-size: 20px;
  color: var(--text-muted);
  padding: 0 8px;
  padding-top: 48px;
}

/* ---------- PRODUCT PAGE: PRICING ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
  align-items: start;
}
.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
}
.pricing-featured {
  border-color: rgba(59,130,246,0.4);
  background: rgba(59,130,246,0.07);
  transform: scale(1.03);
}
.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 16px;
  border-radius: 100px;
  white-space: nowrap;
}
.pricing-type { font-size: 13px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 8px; }
.pricing-price { font-size: 36px; font-weight: 800; color: var(--text-primary); line-height: 1; }
.pricing-price span { font-size: 18px; color: var(--text-secondary); }
.pricing-unit { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }
.pricing-list { margin-bottom: 28px; display: flex; flex-direction: column; gap: 10px; }
.pricing-list li { font-size: 14px; color: var(--text-secondary); }

/* ---------- PRODUCT PAGE: TECH ---------- */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 48px;
}
.tech-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: border-color var(--transition), color var(--transition);
}
.tech-item:hover { border-color: rgba(59,130,246,0.4); color: var(--text-primary); }

/* ---------- ABOUT PAGE ---------- */
.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-text p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}
.about-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
}
.metric-num { font-size: 36px; font-weight: 800; color: var(--text-primary); line-height: 1.1; margin-bottom: 6px; }
.metric-num em { font-size: 16px; font-style: normal; color: var(--text-secondary); }
.metric-label { font-size: 13px; color: var(--text-muted); }

/* TEAM */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: border-color var(--transition), transform var(--transition);
}
.team-card:hover { border-color: var(--border-light); transform: translateY(-4px); }
.team-avatar {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.team-name { font-size: 17px; font-weight: 700; margin-bottom: 4px; }
.team-role { font-size: 12px; font-weight: 600; color: var(--blue-light); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 12px; }
.team-bio { font-size: 13px; color: var(--text-secondary); line-height: 1.7; }

/* HONOR LIST */
.honor-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 760px;
  margin: 48px auto 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.honor-item {
  display: flex;
  gap: 28px;
  padding: 28px 32px;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
  transition: background var(--transition);
}
.honor-item:last-child { border-bottom: none; }
.honor-item:hover { background: rgba(255,255,255,0.02); }
.honor-num { font-size: 24px; font-weight: 800; color: rgba(59,130,246,0.3); flex-shrink: 0; width: 40px; }
.honor-content h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.honor-content p { font-size: 13px; color: var(--text-secondary); }

/* ROADMAP TABLE */
.roadmap-table-wrap {
  margin-top: 48px;
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.roadmap-table {
  width: 100%;
  border-collapse: collapse;
}
.roadmap-table th {
  background: rgba(59,130,246,0.1);
  padding: 16px 20px;
  font-size: 13px;
  font-weight: 700;
  color: var(--blue-light);
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.roadmap-table td {
  padding: 16px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}
.roadmap-table tr:last-child td { border-bottom: none; }
.row-highlight td { background: rgba(59,130,246,0.05); color: var(--text-primary); }
.roadmap-table td:first-child { font-weight: 700; color: var(--text-primary); }

/* ---------- CONTACT PAGE ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 56px;
  align-items: start;
}
.contact-form-wrap h2 { font-size: 28px; font-weight: 700; margin-bottom: 8px; }
.contact-form-sub { font-size: 15px; color: var(--text-secondary); margin-bottom: 36px; }
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--text-secondary); }
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 14px;
  color: var(--text-primary);
  font-family: inherit;
  transition: border-color var(--transition);
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--blue); }
.form-group select option { background: var(--bg-card); color: var(--text-primary); }
.btn-submit { margin-top: 4px; }
.form-note { font-size: 12px; color: var(--text-muted); text-align: center; }
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.contact-info-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.contact-info-card p { font-size: 14px; color: var(--text-secondary); }
.contact-info-card a { color: var(--blue-light); }
.contact-info-card a:hover { text-decoration: underline; }
.wechat-card { text-align: center; }
.wechat-qr { margin: 16px auto; }
.qr-placeholder {
  width: 140px;
  height: 140px;
  background: var(--bg-base);
  border: 2px dashed var(--border-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
}
.qr-inner { font-size: 12px; color: var(--text-muted); text-align: center; line-height: 1.8; }
.wechat-hint { font-size: 12px; color: var(--text-muted); margin-top: 8px; }
.contact-tags { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px 24px; }
.contact-tag-title { font-size: 13px; font-weight: 700; color: var(--text-secondary); margin-bottom: 12px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags span { font-size: 12px; color: var(--blue-light); background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.2); padding: 4px 12px; border-radius: 100px; }

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse-ring {
  0%, 100% { box-shadow: 0 0 0 0 rgba(59,130,246,0.3); }
  50% { box-shadow: 0 0 0 12px rgba(59,130,246,0); }
}
.fade-in { animation: fadeInUp 0.7s ease both; }

/* ---------- HERO PILL ROW ---------- */
.hero-pill-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 28px;
}
.hero-pill {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border-light);
  padding: 6px 18px;
  border-radius: 100px;
}

/* ---------- HERO IMAGE STRIP ---------- */
.hero-img-strip {
  width: 100%;
  max-width: 900px;
  margin: 48px auto 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 32px 80px rgba(0,0,0,0.5);
  position: relative;
  z-index: 1;
}
.hero-img-strip img {
  width: 100%;
  display: block;
}
.hero-img-placeholder {
  width: 100%;
  aspect-ratio: 16/7;
  background: linear-gradient(135deg, rgba(59,130,246,0.15) 0%, rgba(139,92,246,0.15) 50%, rgba(20,184,166,0.1) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  color: var(--text-muted);
}
.hero-img-placeholder .img-icon { font-size: 48px; opacity: 0.4; }
.hero-img-placeholder .img-text { font-size: 13px; opacity: 0.5; }

/* ---------- SECTION IMAGE ---------- */
.section-img-wrap {
  margin: 48px 0 -16px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.section-img-wrap img { width: 100%; display: block; }
.section-img-placeholder {
  width: 100%;
  aspect-ratio: 16/6;
  background: linear-gradient(135deg, rgba(59,130,246,0.1), rgba(139,92,246,0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 14px;
  gap: 10px;
}

/* ---------- PRODUCT FORM CARDS ---------- */
.form-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  transition: border-color var(--transition), transform var(--transition);
}
.form-card:hover { border-color: var(--border-light); transform: translateY(-4px); }
.form-card-b {
  border-color: rgba(59,130,246,0.35);
  background: linear-gradient(160deg, rgba(59,130,246,0.1) 0%, rgba(139,92,246,0.06) 100%);
}
.form-card-market { border-color: rgba(20,184,166,0.25); }
.form-card-api { border-color: rgba(245,158,11,0.2); }
.form-card-badge {
  position: absolute;
  top: -12px;
  right: 28px;
  background: var(--gradient);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 16px;
  border-radius: 100px;
}
.form-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}
.form-card-icon {
  width: 52px; height: 52px;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}
.form-card-type { font-size: 11px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 2px; }
.form-card-name { font-size: 20px; font-weight: 800; color: var(--text-primary); }
.form-card-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.75; margin-bottom: 20px; }
.form-card-feats {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}
.form-card-feats li { font-size: 13px; color: var(--text-secondary); }
.form-card-price {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.form-card-price span { font-size: 14px; font-weight: 400; color: var(--text-muted); }

/* ---------- CORE FEATURES GRID ---------- */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.feat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: border-color var(--transition), transform var(--transition);
}
.feat-card:hover { border-color: rgba(59,130,246,0.3); transform: translateY(-4px); }
.feat-icon { font-size: 32px; margin-bottom: 16px; }
.feat-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.feat-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.75; }

/* ---------- ARCH VISUAL (RINGS) ---------- */
.arch-visual-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-top: 48px;
}
.arch-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.arch-ring {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  padding: 28px;
  text-align: center;
}
.ring-4 {
  width: 360px; height: 360px;
  background: rgba(59,130,246,0.06);
  border: 1.5px solid rgba(59,130,246,0.2);
  animation: pulse-ring 4s ease-in-out infinite;
}
.ring-3 {
  width: 280px; height: 280px;
  background: rgba(139,92,246,0.07);
  border: 1.5px solid rgba(139,92,246,0.25);
}
.ring-2 {
  width: 200px; height: 200px;
  background: rgba(20,184,166,0.08);
  border: 1.5px solid rgba(20,184,166,0.3);
}
.ring-1 {
  width: 110px; height: 110px;
  background: rgba(59,130,246,0.2);
  border: 2px solid rgba(59,130,246,0.5);
  animation: pulse-ring 2s ease-in-out infinite;
}
.ring-label {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  white-space: nowrap;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.ring-label-center {
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 11px;
  color: var(--blue-light);
  white-space: nowrap;
}
.arch-desc-list { display: flex; flex-direction: column; gap: 24px; }
.arch-desc-item { display: flex; gap: 16px; align-items: flex-start; }
.arch-desc-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 5px;
}
.dot-1 { background: var(--blue); box-shadow: 0 0 10px var(--blue); }
.dot-2 { background: var(--teal); box-shadow: 0 0 10px var(--teal); }
.dot-3 { background: var(--purple); box-shadow: 0 0 10px var(--purple); }
.dot-4 { background: rgba(148,163,184,0.7); }
.arch-desc-title { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.arch-desc-list p { font-size: 13px; color: var(--text-secondary); line-height: 1.7; }

/* ---------- IP DETAIL LAYOUT ---------- */
.ip-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  margin-top: 48px;
  align-items: start;
}
.ip-flow-v { display: flex; flex-direction: column; gap: 0; }
.ip-step-v {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}
.ip-step-v:last-child { border-bottom: none; }
.ip-step-num {
  flex-shrink: 0;
  width: 32px; height: 32px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  color: #fff;
  margin-top: 2px;
}
.ip-step-content h3 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.ip-step-content p { font-size: 13px; color: var(--text-secondary); line-height: 1.7; }

/* ---------- IP SHOWCASE CARD ---------- */
.ip-showcase-card {
  background: var(--bg-card);
  border: 1px solid rgba(59,130,246,0.3);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: sticky;
  top: 80px;
}
.showcase-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--blue-light);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.showcase-tree { display: flex; flex-direction: column; gap: 12px; margin-bottom: 20px; }
.tree-root {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  padding: 10px 14px;
  background: rgba(59,130,246,0.1);
  border-radius: var(--radius);
  border-left: 3px solid var(--blue);
}
.tree-branches { display: flex; flex-direction: column; gap: 10px; padding-left: 16px; }
.tree-branch { display: flex; flex-direction: column; gap: 6px; }
.branch-node {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  padding: 7px 12px;
  background: rgba(139,92,246,0.08);
  border-radius: var(--radius);
  border-left: 2px solid var(--purple);
}
.branch-children {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-left: 12px;
}
.branch-children span {
  font-size: 11px;
  color: var(--text-muted);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 100px;
}
.showcase-meta { display: flex; flex-wrap: wrap; gap: 8px; }
.meta-tag {
  font-size: 12px;
  color: var(--teal);
  background: rgba(20,184,166,0.1);
  border: 1px solid rgba(20,184,166,0.25);
  padding: 4px 12px;
  border-radius: 100px;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .pain-grid, .solution-grid, .value-grid { grid-template-columns: 1fr; max-width: 560px; margin-left: auto; margin-right: auto; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin-left: auto; margin-right: auto; }
  .pricing-featured { transform: none; }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .about-intro-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-cards { grid-template-columns: 1fr; max-width: 560px; margin-left: auto; margin-right: auto; }
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .arch-visual-wrap { grid-template-columns: 1fr; }
  .arch-visual { display: none; }
  .ip-detail-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-links, .btn-nav { display: none; }
  .hamburger { display: flex; }
  .mobile-menu.open { display: flex; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { width: 60px; height: 1px; }
  .milestone-track { flex-direction: column; gap: 24px; }
  .milestone-line { width: 1px; height: 40px; }
  .honor-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }
  .about-metrics { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .ip-flow { flex-direction: column; align-items: center; }
  .ip-arrow { transform: rotate(90deg); padding: 0; }
  .section { padding: 64px 0; }
  .arch-layer { flex-direction: column; align-items: flex-start; gap: 8px; }
  .layer-title { width: auto; }
  .footer-inner { flex-direction: column; gap: 40px; }
  .feat-grid { grid-template-columns: 1fr; }
  .hero-pill-row { gap: 8px; }
  .hero-pill { font-size: 12px; }
}