/* ========== Reset & Base ========== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg-primary: #05050a;
  --bg-secondary: #0a0a12;
  --bg-card: rgba(255,255,255,0.03);
  --bg-glass: rgba(255,255,255,0.05);
  --border-subtle: rgba(255,255,255,0.08);
  --border-glow: rgba(0,240,255,0.2);
  --text-primary: #ffffff;
  --text-secondary: rgba(255,255,255,0.7);
  --text-muted: rgba(255,255,255,0.45);
  --neon-cyan: #00f0ff;
  --neon-blue: #0066ff;
  --neon-purple: #7c3aed;
  --neon-pink: #ec4899;
  --accent: #00f0ff;
  --success: #10b981;
  --warning: #f59e0b;
  --max-width: 1200px;
  --section-gap: 100px;
  --radius-pill: 100px;
  --radius-card: 16px;
  --radius-badge: 6px;
  --radius-btn: 12px;
  --radius-lg-card: 24px;
  --shadow-glow: 0 0 40px rgba(0,240,255,0.15);
  --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-elevated: 0 25px 50px -12px rgba(0,0,0,0.5);
  --gradient-cyan: linear-gradient(135deg, #00f0ff 0%, #0066ff 100%);
  --gradient-purple: linear-gradient(135deg, #0066ff 0%, #7c3aed 100%);
  --gradient-hero: radial-gradient(ellipse at 50% 0%, rgba(0,102,255,0.25) 0%, rgba(0,240,255,0.1) 30%, transparent 60%);
  --gradient-text: linear-gradient(135deg, #ffffff 0%, #00f0ff 50%, #7c3aed 100%);
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg-primary);
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 15px;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: all 0.3s ease; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

.section { padding: var(--section-gap) 0; position: relative; }
.section--alt { background: var(--bg-secondary); }

.section-header { text-align: center; max-width: 760px; margin: 0 auto 64px; }
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.15em;
  color: var(--neon-cyan); text-transform: uppercase;
  margin-bottom: 16px; padding: 8px 16px;
  background: rgba(0,240,255,0.08); border: 1px solid rgba(0,240,255,0.2);
  border-radius: var(--radius-pill);
}
.section-label::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--neon-cyan); box-shadow: 0 0 8px var(--neon-cyan);
}
.section-title {
  font-size: 44px; line-height: 1.1; letter-spacing: -0.03em;
  font-weight: 700; color: var(--text-primary); margin-bottom: 20px;
}
.section-subtitle { font-size: 17px; color: var(--text-muted); line-height: 1.7; }

h1, h2, h3, h4, h5, h6 { color: var(--text-primary); font-weight: 600; }
p { color: var(--text-secondary); }

.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-mono { font-family: 'Roboto Mono', 'JetBrains Mono', 'IBM Plex Mono', monospace; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; font-family: inherit; font-weight: 600; font-size: 14px;
  border-radius: var(--radius-btn); padding: 14px 24px; cursor: pointer;
  border: none; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap; letter-spacing: 0.02em; position: relative; overflow: hidden;
}
.btn::before {
  content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: translateX(-100%); transition: transform 0.6s ease;
}
.btn:hover::before { transform: translateX(100%); }
.btn--fill {
  background: var(--gradient-cyan); color: #000;
  box-shadow: 0 0 20px rgba(0,240,255,0.3), 0 0 40px rgba(0,102,255,0.2);
}
.btn--fill:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 0 30px rgba(0,240,255,0.5), 0 0 60px rgba(0,102,255,0.3);
}
.btn--fill.magnetic,
.btn--ghost.magnetic { transition: transform 0.15s ease; }
.btn--outline {
  background: transparent; color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}
.btn--outline:hover {
  border-color: var(--neon-cyan); color: var(--neon-cyan);
  box-shadow: 0 0 20px rgba(0,240,255,0.15); transform: translateY(-2px);
}
.btn--ghost {
  background: rgba(0,240,255,0.05); color: var(--neon-cyan);
  border: 1px solid rgba(0,240,255,0.25);
}
.btn--ghost:hover {
  background: rgba(0,240,255,0.12); box-shadow: 0 0 30px rgba(0,240,255,0.25);
  transform: translateY(-2px);
}
.btn--wechat {
  background: linear-gradient(135deg, #07c160 0%, #059c4d 100%);
  color: var(--text-primary); box-shadow: 0 0 20px rgba(7,193,96,0.3);
}
.btn--wechat:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 0 30px rgba(7,193,96,0.5);
}
.btn--lg { padding: 16px 32px; font-size: 15px; }

.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(5,5,10,0.75);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all 0.3s ease;
}
.navbar.scrolled {
  background: rgba(5,5,10,0.92);
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}
.navbar__inner {
  max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
  height: 72px; display: flex; align-items: center; justify-content: space-between;
}
.navbar__logo { display: flex; align-items: center; transition: transform 0.3s ease; }
.navbar__logo:hover { transform: scale(1.02); }
.navbar__logo img { height: 38px; width: auto; display: block; filter: drop-shadow(0 0 8px rgba(0,240,255,0.3)); }
.navbar__links { display: flex; align-items: center; gap: 8px; }
.navbar__link {
  font-size: 14px; font-weight: 500; color: var(--text-secondary);
  padding: 10px 18px; border-radius: var(--radius-pill);
  transition: all 0.3s ease; letter-spacing: 0.02em;
  position: relative;
}
.navbar__link::after {
  content: ''; position: absolute; bottom: 4px; left: 50%;
  width: 0; height: 2px; background: var(--gradient-cyan);
  transition: all 0.3s ease; transform: translateX(-50%);
  border-radius: 2px;
}
.navbar__link:hover {
  color: var(--text-primary); background: rgba(0,240,255,0.08);
}
.navbar__link:hover::after { width: 24px; }
.navbar__link.active {
  color: var(--neon-cyan); background: rgba(0,240,255,0.1);
  font-weight: 600;
}
.navbar__link.active::after { width: 24px; }
.navbar__actions { display: flex; align-items: center; gap: 12px; }
.navbar__toggle { display: none; background: none; border: none; font-size: 24px; color: var(--text-primary); cursor: pointer; }
.hero {
  position: relative; min-height: 100vh; padding: 180px 0 120px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-primary);
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(0,102,255,0.2) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(124,58,237,0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 0%, rgba(0,240,255,0.12) 0%, transparent 60%);
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 2; max-width: 900px; margin: 0 auto; padding: 0 24px; text-align: center; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(0,240,255,0.08); border: 1px solid rgba(0,240,255,0.25);
  border-radius: var(--radius-pill); padding: 8px 20px;
  font-size: 13px; font-weight: 500; color: var(--neon-cyan);
  margin-bottom: 28px; letter-spacing: 0.05em;
  box-shadow: 0 0 20px rgba(0,240,255,0.1);
}
.hero__badge-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--neon-cyan); box-shadow: 0 0 12px var(--neon-cyan); animation: pulse 2s infinite; }
.hero__title {
  font-size: 64px; line-height: 1.08; letter-spacing: -0.03em;
  font-weight: 700; color: var(--text-primary); margin-bottom: 24px;
}
.hero__subtitle { font-size: 18px; color: var(--text-muted); line-height: 1.8; max-width: 680px; margin: 0 auto 40px; }
.hero__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero__stats {
  display: flex; justify-content: center; gap: 64px; margin-top: 72px;
  flex-wrap: wrap;
}
.hero__stat { text-align: center; position: relative; padding: 0 24px; }
.hero__stat::before {
  content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 1px; height: 40px; background: linear-gradient(to bottom, transparent, var(--border-subtle), transparent);
}
.hero__stat:first-child::before { display: none; }
.hero__stat-num { font-size: 44px; font-weight: 700; color: var(--text-primary); letter-spacing: -0.02em; }
.hero__stat-label { font-size: 13px; color: var(--text-muted); margin-top: 8px; letter-spacing: 0.1em; text-transform: uppercase; }

.hero-3d {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 100%; height: 100%; pointer-events: none; z-index: 1;
}
.hero-3d__ring {
  position: absolute; top: 50%; left: 50%;
  width: 600px; height: 600px;
  border: 1px solid rgba(0,240,255,0.15);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: rotate 20s linear infinite;
}
.hero-3d__ring::before {
  content: ''; position: absolute; inset: 40px;
  border: 1px solid rgba(0,102,255,0.1);
  border-radius: 50%;
}
.hero-3d__ring::after {
  content: ''; position: absolute; inset: 80px;
  border: 1px solid rgba(124,58,237,0.08);
  border-radius: 50%;
}
.hero-3d__glow {
  position: absolute; top: 50%; left: 50%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,102,255,0.2) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  animation: float 6s ease-in-out infinite;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 32px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative; overflow: hidden;
}
.card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,240,255,0.05) 0%, transparent 50%);
  opacity: 0; transition: opacity 0.4s ease;
}
.card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 0 40px rgba(0,240,255,0.1), var(--shadow-card);
  transform: translateY(-6px);
}
.card:hover::before { opacity: 1; }
.card--lg {
  border-radius: var(--radius-lg-card);
  padding: 48px;
  background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
}

.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg-card);
  padding: 40px 32px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex; flex-direction: column;
  position: relative; overflow: hidden;
  transform-style: preserve-3d; perspective: 1000px;
}
.product-card::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(0,240,255,0.1), transparent 40%);
  opacity: 0; transition: opacity 0.3s ease; pointer-events: none;
}
.product-card:hover::after { opacity: 1; }
.product-card:hover,
.product-card.tilting {
  border-color: var(--border-glow);
  box-shadow: 0 0 50px rgba(0,240,255,0.12), var(--shadow-elevated);
}
.product-card__icon {
  width: 64px; height: 64px; border-radius: var(--radius-card);
  background: linear-gradient(135deg, rgba(0,240,255,0.15) 0%, rgba(0,102,255,0.15) 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; color: var(--neon-cyan); margin-bottom: 24px;
  border: 1px solid rgba(0,240,255,0.2);
  box-shadow: 0 0 20px rgba(0,240,255,0.1);
}
.product-card__title { font-size: 20px; font-weight: 600; color: var(--text-primary); margin-bottom: 12px; }
.product-card__desc { font-size: 14px; color: var(--text-muted); line-height: 1.7; flex: 1; margin-bottom: 20px; }
.product-card__link { font-size: 14px; font-weight: 600; color: var(--neon-cyan); display: inline-flex; align-items: center; gap: 6px; }
.product-card__link:hover { color: var(--text-primary); gap: 10px; }

.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-intro__text h2 { font-size: 40px; line-height: 1.15; letter-spacing: -0.02em; margin-bottom: 24px; color: var(--text-primary); }
.about-intro__text p { font-size: 16px; color: var(--text-muted); line-height: 1.8; margin-bottom: 20px; }
.about-intro .card--lg { background: linear-gradient(135deg, rgba(0,102,255,0.08) 0%, rgba(124,58,237,0.05) 100%); }
.about-intro .hero__stat-num { font-size: 42px; color: var(--neon-cyan); }

.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg-card);
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  transform-style: preserve-3d; perspective: 1000px;
}
.case-card::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(500px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(0,240,255,0.08), transparent 40%);
  opacity: 0; transition: opacity 0.3s ease; pointer-events: none;
}
.case-card:hover::after { opacity: 1; }
.case-card:hover,
.case-card.tilting {
  border-color: var(--border-glow);
  box-shadow: 0 0 40px rgba(0,240,255,0.1), var(--shadow-elevated);
}
.case-card__cover {
  width: 56px; height: 56px; border-radius: var(--radius-card);
  background: linear-gradient(135deg, rgba(0,240,255,0.15) 0%, rgba(0,102,255,0.15) 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; color: var(--neon-cyan); margin: 28px 28px 0;
  border: 1px solid rgba(0,240,255,0.2);
}
.case-card__body { padding: 24px 28px 28px; }
.case-card__tag, .tag {
  display: inline-block; font-size: 12px; font-weight: 500;
  color: var(--neon-cyan); background: rgba(0,240,255,0.08);
  border: 1px solid rgba(0,240,255,0.2);
  border-radius: var(--radius-pill); padding: 4px 12px;
}
.case-card__tag { font-size: 11px; font-weight: 600; margin-bottom: 14px; letter-spacing: 0.05em; }
.case-card__title { font-size: 18px; font-weight: 600; color: var(--text-primary); margin-bottom: 10px; }
.case-card__desc { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 18px; }
.case-card__link { font-size: 14px; font-weight: 600; color: var(--neon-cyan); display: inline-flex; align-items: center; gap: 6px; }
.case-card__link:hover { color: var(--text-primary); gap: 10px; }

.client-logos { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 48px; }
.client-logo { font-size: 20px; font-weight: 600; color: var(--text-muted); opacity: 0.6; transition: all 0.3s; filter: grayscale(100%); }
.client-logo:hover { opacity: 1; color: var(--neon-cyan); filter: grayscale(0%); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info__item { display: flex; gap: 16px; margin-bottom: 28px; }
.contact-info__icon {
  width: 48px; height: 48px; border-radius: var(--radius-card);
  background: linear-gradient(135deg, rgba(0,240,255,0.15) 0%, rgba(0,102,255,0.15) 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; color: var(--neon-cyan); flex-shrink: 0;
  border: 1px solid rgba(0,240,255,0.2);
}
.contact-info__label { font-size: 12px; color: var(--text-muted); margin-bottom: 4px; letter-spacing: 0.05em; }
.contact-info__value { font-size: 15px; color: var(--text-primary); font-weight: 500; }
.contact-form {
  background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg-card);
  padding: 40px;
  box-shadow: var(--shadow-card);
}
.form-group { margin-bottom: 24px; }
.form-label { display: block; font-size: 14px; font-weight: 500; color: var(--text-primary); margin-bottom: 10px; }
.form-input, .form-textarea {
  width: 100%; background: rgba(0,0,0,0.3);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-input); padding: 15px;
  font-family: inherit; font-size: 14px; color: var(--text-primary);
  transition: all 0.3s ease;
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
.form-input:focus, .form-textarea:focus {
  outline: none; border-color: var(--neon-cyan);
  box-shadow: 0 0 20px rgba(0,240,255,0.15);
}
.form-textarea { min-height: 120px; resize: vertical; }

.social-links { display: flex; gap: 12px; }
.social-link {
  width: 44px; height: 44px; border-radius: var(--radius-card);
  background: rgba(0,240,255,0.08);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: var(--neon-cyan);
  transition: all 0.3s ease; border: 1px solid rgba(0,240,255,0.2);
}
.social-link:hover { background: var(--neon-cyan); color: #000; box-shadow: 0 0 20px rgba(0,240,255,0.4); }

.footer { background: var(--bg-secondary); color: var(--text-muted); padding: 80px 0 32px; border-top: 1px solid var(--border-subtle); }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 56px; }
.footer__brand-name { font-size: 20px; font-weight: 700; color: var(--text-primary); margin-bottom: 16px; }
.footer__brand-desc { font-size: 14px; line-height: 1.7; max-width: 320px; color: var(--text-muted); }
.footer__col-title { font-size: 14px; font-weight: 600; color: var(--text-primary); margin-bottom: 20px; letter-spacing: 0.05em; }
.footer__col a { display: block; font-size: 14px; color: var(--text-muted); padding: 6px 0; transition: all 0.3s; }
.footer__col a:hover { color: var(--neon-cyan); transform: translateX(4px); }
.footer__bottom { border-top: 1px solid var(--border-subtle); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--text-muted); flex-wrap: wrap; gap: 12px; }
.footer__bottom-links { display: flex; gap: 24px; }
.footer__bottom-links a { color: var(--text-muted); }
.footer__bottom-links a:hover { color: var(--neon-cyan); }
.footer__brand .social-links { margin-top: 20px; }

.detail-hero {
  padding: 160px 0 80px;
  background: var(--bg-secondary);
  text-align: center;
  position: relative; overflow: hidden;
}
.detail-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(0,102,255,0.15) 0%, transparent 60%);
  pointer-events: none;
}
.detail-hero__inner { position: relative; z-index: 1; }
.detail-hero__label {
  display: inline-block; font-size: 12px; font-weight: 600;
  color: var(--neon-cyan); background: rgba(0,240,255,0.08);
  border: 1px solid rgba(0,240,255,0.2);
  border-radius: var(--radius-pill); padding: 6px 14px; margin-bottom: 20px;
}
.detail-hero__title { font-size: 44px; line-height: 1.1; letter-spacing: -0.02em; font-weight: 700; color: var(--text-primary); margin-bottom: 20px; }
.detail-hero__subtitle { font-size: 17px; color: var(--text-muted); max-width: 640px; margin: 0 auto; }

.detail-body { max-width: 800px; margin: 0 auto; padding: 80px 24px; }
.detail-body h2 { font-size: 24px; font-weight: 600; color: var(--text-primary); margin: 48px 0 20px; }
.detail-body h2:first-child { margin-top: 0; }
.detail-body p { font-size: 16px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 20px; }
.detail-body ul { margin: 20px 0; }
.detail-body ul li { font-size: 16px; color: var(--text-secondary); line-height: 1.8; padding-left: 28px; position: relative; margin-bottom: 12px; }
.detail-body ul li::before { content: ''; position: absolute; left: 0; top: 11px; width: 8px; height: 8px; border-radius: 50%; background: var(--gradient-cyan); box-shadow: 0 0 10px var(--neon-cyan); }

.detail-nav { display: flex; justify-content: space-between; margin-top: 56px; padding-top: 32px; border-top: 1px solid var(--border-subtle); }
.detail-nav a { font-size: 14px; color: var(--neon-cyan); font-weight: 600; display: inline-flex; align-items: center; gap: 8px; }
.detail-nav a:hover { color: var(--text-primary); gap: 12px; }

.breadcrumb { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-muted); margin-bottom: 24px; justify-content: center; }
.breadcrumb a { color: var(--neon-cyan); }
.breadcrumb a:hover { text-decoration: underline; }

.list-header {
  padding: 160px 0 64px;
  background: var(--bg-secondary);
  text-align: center;
  position: relative; overflow: hidden;
}
.list-header::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(0,102,255,0.15) 0%, transparent 60%);
  pointer-events: none;
}
.list-header__inner { position: relative; z-index: 1; }
.list-header__title { font-size: 44px; line-height: 1.1; letter-spacing: -0.02em; font-weight: 700; color: var(--text-primary); margin-bottom: 20px; }
.list-header__subtitle { font-size: 17px; color: var(--text-muted); max-width: 640px; margin: 0 auto; }

.cta-section {
  background: linear-gradient(135deg, rgba(0,102,255,0.1) 0%, rgba(124,58,237,0.1) 100%);
  border: 1px solid rgba(0,240,255,0.15);
  border-radius: var(--radius-lg-card);
  padding: 72px;
  text-align: center; margin: 0 auto;
  max-width: 1100px;
  position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(0,240,255,0.1) 0%, transparent 60%);
  pointer-events: none;
}
.cta-section__inner { position: relative; z-index: 1; }
.cta-section h2 { font-size: 36px; font-weight: 700; color: var(--text-primary); margin-bottom: 20px; }
.cta-section p { font-size: 17px; color: var(--text-muted); margin-bottom: 36px; }
.cta-section .hero__actions { justify-content: center; }
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 12px var(--neon-cyan); }
  50% { opacity: 0.6; box-shadow: 0 0 4px var(--neon-cyan); }
}
@keyframes rotate {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}
@keyframes float {
  0%, 100% { transform: translate(-50%, -50%) translateY(0); }
  50% { transform: translate(-50%, -50%) translateY(-20px); }
}

.fade-in { animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
.fade-in-trigger { opacity: 0; transform: translateY(40px); }
.fade-in-trigger.fade-in { opacity: 1; transform: translateY(0); }

.glow-text { text-shadow: 0 0 40px rgba(0,240,255,0.3); }
.glow-cyan { box-shadow: 0 0 30px rgba(0,240,255,0.2); }
.glow-blue { box-shadow: 0 0 30px rgba(0,102,255,0.2); }

.tech-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,240,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,240,255,0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}

.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-20 { margin-bottom: 20px; }
.mb-24 { margin-bottom: 24px; }
.mb-28 { margin-bottom: 28px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }
.mx-auto { margin-left: auto; margin-right: auto; }
.max-w-600 { max-width: 600px; }
.flex-wrap { flex-wrap: wrap; }
.gap-8 { gap: 8px; }
.text-cyan { color: var(--neon-cyan); }
.text-primary { color: var(--text-primary); }
.text-muted { color: var(--text-muted); }
.text-white { color: #fff; }
.fs-13 { font-size: 13px; }
.fs-14 { font-size: 14px; }
.fs-16 { font-size: 16px; }
.fs-18 { font-size: 18px; }
.fs-20 { font-size: 20px; }
.fs-22 { font-size: 22px; }
.fs-28 { font-size: 28px; }
.fs-32 { font-size: 32px; }
.fs-64 { font-size: 64px; }
.fw-500 { font-weight: 500; }
.lh-17 { line-height: 1.7; }
.block { display: block; }
.w-full { width: 100%; }
.cursor-pointer { cursor: pointer; }

.detail-hero-card {
  margin-bottom: 48px;
  background: var(--bg-secondary);
  text-align: center;
  padding: 48px;
}
.detail-hero-card__icon { font-size: 64px; color: var(--neon-cyan); margin-bottom: 24px; }
.detail-hero-card__title { font-size: 28px; color: var(--text-primary); margin-bottom: 12px; }
.detail-hero-card__desc { font-size: 16px; color: var(--text-muted); max-width: 600px; margin: 0 auto; }
.detail-hero-card--compact { padding: 40px; }

.quote-block {
  font-style: italic;
  color: var(--text-muted);
  border-left: 3px solid var(--neon-cyan);
  padding-left: 20px;
  margin: 24px 0;
}

.wechat-promo {
  background: linear-gradient(135deg, #07c160 0%, #06ad56 100%);
  border-radius: var(--radius-lg-card);
  padding: 32px;
  margin-bottom: 32px;
  color: white;
  box-shadow: 0 10px 40px rgba(7,193,96,0.25);
}
.wechat-promo__header { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.wechat-promo__icon {
  width: 56px; height: 56px; border-radius: var(--radius-card);
  background: rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
}
.wechat-promo__title { color: white; font-size: 20px; margin-bottom: 4px; }
.wechat-promo__subtitle { color: rgba(255,255,255,0.85); font-size: 14px; }
.wechat-promo__desc { color: rgba(255,255,255,0.9); font-size: 14px; line-height: 1.7; margin-bottom: 20px; }
.wechat-promo__btn { background: white; color: #07c160; font-weight: 600; width: 100%; }
.wechat-promo__btn:hover { background: #f0f0f0; color: #07c160; }

.map-card { padding: 0; overflow: hidden; }
.map-placeholder {
  width: 100%;
  aspect-ratio: 21 / 9;
  background: linear-gradient(135deg, rgba(0,102,255,0.1) 0%, rgba(124,58,237,0.1) 100%);
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 16px;
  border: 1px solid var(--border-subtle);
}
.map-placeholder__icon { font-size: 64px; color: var(--neon-cyan); }
.map-placeholder__title { font-size: 18px; color: var(--text-primary); font-weight: 500; }
.map-placeholder__subtitle { font-size: 14px; color: var(--text-muted); }

.tag-cloud { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }

.detail-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.detail-stats .hero__stat-num { font-size: 32px; }

@media (max-width: 968px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .about-intro { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .hero__title { font-size: 48px; }
  .section-title { font-size: 36px; }
  .hero-3d__ring { width: 400px; height: 400px; }
}

@media (max-width: 768px) {
  .navbar__links { display: none; }
  .navbar__toggle { display: block; }
  .navbar__links.open {
    display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0;
    background: rgba(5,5,10,0.98); padding: 20px; gap: 4px;
    border-bottom: 1px solid var(--border-subtle);
  }
  .navbar__links.open .navbar__link { padding: 14px 18px; width: 100%; border-radius: var(--radius-card); }
  .navbar__actions { display: none; }
  .navbar__actions.mobile-show { display: flex; flex-direction: column; position: absolute; top: auto; bottom: -100px; left: 0; right: 0; background: rgba(5,5,10,0.98); padding: 20px; gap: 8px; border-bottom: 1px solid var(--border-subtle); }

  .hero { padding: 140px 0 80px; min-height: auto; }
  .hero__title { font-size: 36px; }
  .hero__subtitle { font-size: 16px; }
  .hero__stats { gap: 32px; margin-top: 48px; }
  .hero__stat { padding: 0 16px; }
  .hero__stat-num { font-size: 32px; }

  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .section-title { font-size: 30px; }
  .card--lg { padding: 32px 24px; }
  .product-card { padding: 32px 24px; }
  .contact-form { padding: 28px; }
  .cta-section { padding: 48px 24px; }
  .cta-section h2 { font-size: 26px; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .detail-body { padding: 48px 16px; }
  .detail-body p, .detail-body ul li { font-size: 15px; }
  .list-header__title, .detail-hero__title { font-size: 32px; }
  .container { padding: 0 16px; }
  .detail-stats { grid-template-columns: repeat(2, 1fr); }
  .detail-hero-card, .detail-hero-card--compact { padding: 32px 24px; }
}
