/* ==========================================================================
   XINLAN (SINLIVE) HYPER-FUTURISTIC CYBERPUNK & NEON TECH STYLESHEET
   Style Vision: Hyper-Tech / Sci-Fi Hologram / Apple Vision Pro / Neon Glow
   Color Tokens:
     #070D1D Ultra Deep Space Void
     #00FFC2 Hyper Neon Emerald Green (激光青绿)
     #0075FF Hyper Electric Cyber Blue (电光极蓝)
     #9D00FF Laser Neon Purple (霓虹电紫)
     #FFD600 Cyber Amber Gold (赛博日光金)
   ========================================================================== */

:root {
  --bg-dark: #070D1D;
  --bg-card: rgba(13, 25, 48, 0.75);
  --bg-card-hover: rgba(20, 38, 72, 0.9);
  --border-color: rgba(0, 255, 194, 0.25);
  --border-highlight: #00FFC2;
  
  --neon-green: #00FFC2;
  --neon-green-glow: rgba(0, 255, 194, 0.65);
  --cyber-blue: #0075FF;
  --cyber-blue-glow: rgba(0, 117, 255, 0.65);
  --laser-purple: #9D00FF;
  --laser-purple-glow: rgba(157, 0, 255, 0.65);
  --cyber-gold: #FFD600;
  
  --cloud-white: #FFFFFF;
  --text-muted: #D1D5DB;
  --text-dim: #9CA3AF;
  
  --font-family: 'Plus Jakarta Sans', 'Noto Sans SC', 'Fira Code', system-ui, sans-serif;
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --radius-full: 9999px;
  
  --shadow-neon-green: 0 0 25px rgba(0, 255, 194, 0.5), 0 0 50px rgba(0, 255, 194, 0.25);
  --shadow-neon-blue: 0 0 25px rgba(0, 117, 255, 0.5), 0 0 50px rgba(0, 117, 255, 0.25);
  --shadow-neon-purple: 0 0 25px rgba(157, 0, 255, 0.5), 0 0 50px rgba(157, 0, 255, 0.25);
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Reset & Cyber Matrix Grid Canvas */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-family);
  background-color: var(--bg-dark);
  color: var(--cloud-white);
  overflow-x: hidden;
}

body {
  position: relative;
  line-height: 1.7;
  min-height: 100vh;
}

/* Sci-Fi Scanning Grid Background */
.grid-background {
  position: fixed;
  inset: 0;
  background-image: 
    radial-gradient(circle at 50% 50%, rgba(0, 255, 194, 0.08) 0%, transparent 60%),
    linear-gradient(rgba(0, 255, 194, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 117, 255, 0.07) 1px, transparent 1px);
  background-size: 100% 100%, 45px 45px, 45px 45px;
  z-index: -3;
  pointer-events: none;
}

.grid-background::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent 0%, var(--neon-green) 50%, transparent 100%);
  box-shadow: 0 0 25px var(--neon-green), 0 0 50px var(--neon-green);
  opacity: 0.7;
  animation: radarScan 8s linear infinite;
}

@keyframes radarScan {
  0% { transform: translateY(0); }
  100% { transform: translateY(100vh); }
}

/* Particle Canvas */
#particle-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: -2;
  pointer-events: none;
}

/* Glow Orbs */
.glow-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(130px);
  z-index: -1;
  pointer-events: none;
  opacity: 0.75;
  animation: orbFloat 18s infinite alternate ease-in-out;
}

.orb-1 { top: -20%; left: -15%; width: 70vw; height: 70vw; background: radial-gradient(circle, rgba(0, 117, 255, 0.55) 0%, rgba(7, 13, 29, 0) 70%); }
.orb-2 { top: 25%; right: -20%; width: 65vw; height: 65vw; background: radial-gradient(circle, rgba(0, 255, 194, 0.5) 0%, rgba(7, 13, 29, 0) 70%); }
.orb-3 { bottom: -20%; left: 15%; width: 60vw; height: 60vw; background: radial-gradient(circle, rgba(157, 0, 255, 0.45) 0%, rgba(7, 13, 29, 0) 70%); }

@keyframes orbFloat {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(90px, 70px) scale(1.2); }
}

/* FADE-UP ANIMATION */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1), transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Container & Typography */
.container {
  width: 100%;
  max-width: 1260px;
  margin: 0 auto;
  padding: 0 1.75rem;
}

.gradient-text {
  background: linear-gradient(135deg, #FFFFFF 0%, #38BDF8 35%, var(--neon-green) 70%, #C084FC 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 25px rgba(0, 255, 194, 0.5));
}

.text-center { text-align: center; }

/* Kicker Pills */
.kicker-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.45rem 1.25rem;
  border-radius: var(--radius-full);
  background: rgba(0, 255, 194, 0.12);
  border: 1px solid var(--neon-green);
  font-family: 'Fira Code', monospace;
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--neon-green);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1.1rem;
  box-shadow: 0 0 25px var(--neon-green-glow);
}

.hero-kicker-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1.35rem;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, rgba(0, 117, 255, 0.3), rgba(0, 255, 194, 0.3));
  border: 1px solid var(--neon-green);
  font-family: 'Fira Code', monospace;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--neon-green);
  margin-bottom: 1.2rem;
  box-shadow: 0 0 30px var(--neon-green-glow);
  animation: pulseGlow 2.5s infinite alternate;
}

@keyframes pulseGlow {
  0% { box-shadow: 0 0 20px var(--neon-green-glow); }
  100% { box-shadow: 0 0 40px var(--neon-green-glow), 0 0 20px var(--laser-purple-glow); }
}

.pulse-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--neon-green);
  box-shadow: 0 0 15px var(--neon-green);
  animation: dotPulse 1.5s infinite;
}

@keyframes dotPulse {
  0% { transform: scale(0.8); opacity: 0.6; }
  50% { transform: scale(1.4); opacity: 1; }
  100% { transform: scale(0.8); opacity: 0.6; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.85rem 2rem;
  font-size: 0.95rem;
  font-weight: 800;
  border-radius: var(--radius-full);
  text-decoration: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--transition-fast);
  border: 1px solid transparent;
  text-transform: uppercase;
}

.btn::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.6), transparent);
  transform: rotate(45deg) translateY(-100%);
  transition: transform 0.6s ease-in-out;
}

.btn:hover::before { transform: rotate(45deg) translateY(100%); }

.btn-primary { background: linear-gradient(135deg, var(--neon-green) 0%, var(--cyber-blue) 100%); color: #070D1D; font-weight: 900; box-shadow: 0 0 35px var(--neon-green-glow); border: 1px solid var(--neon-green); }
.btn-primary:hover { transform: translateY(-4px) scale(1.03); box-shadow: 0 0 55px var(--neon-green); }

.btn-secondary { background: rgba(13, 25, 48, 0.85); color: var(--cloud-white); border: 1px solid var(--border-highlight); backdrop-filter: blur(28px); }
.btn-secondary:hover { background: rgba(0, 255, 194, 0.15); border-color: var(--neon-green); box-shadow: 0 0 40px var(--neon-green-glow); transform: translateY(-4px) scale(1.03); }

.btn-glow { background: linear-gradient(135deg, var(--neon-green) 0%, var(--laser-purple) 100%); color: #FFFFFF; font-weight: 900; box-shadow: 0 0 40px var(--laser-purple-glow); border: 1px solid var(--neon-green); }
.btn-glow:hover { box-shadow: 0 0 65px var(--neon-green); transform: translateY(-4px) scale(1.03); }

.btn-outline { background: rgba(7, 13, 29, 0.7); color: var(--cloud-white); border: 1px solid rgba(0, 255, 194, 0.4); }
.btn-outline:hover { color: var(--cloud-white); border-color: var(--neon-green); background: rgba(0, 255, 194, 0.2); box-shadow: 0 0 30px var(--neon-green-glow); }

.btn-lg { padding: 1.05rem 2.5rem; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* NAVBAR */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 84px;
  z-index: 100;
  background: rgba(7, 13, 29, 0.88);
  backdrop-filter: blur(35px) saturate(220%);
  border-bottom: 1px solid rgba(0, 255, 194, 0.25);
  box-shadow: 0 10px 40px rgba(0,0,0,0.8);
}

.nav-container { display: flex; align-items: center; justify-content: space-between; height: 100%; max-width: 1260px; margin: 0 auto; padding: 0 1.75rem; }
.brand { display: flex; align-items: center; gap: 1rem; }

.brand-logo-wrapper { width: 50px; height: 50px; border-radius: 16px; background: rgba(255, 255, 255, 0.98); padding: 6px; display: flex; align-items: center; justify-content: center; box-shadow: 0 0 35px var(--neon-green-glow); transition: var(--transition-fast); }
.brand-logo-wrapper:hover { transform: scale(1.1); box-shadow: 0 0 50px var(--neon-green-glow); }
.brand-logo-img { width: 100%; height: 100%; object-fit: contain; }

.brand-text { display: flex; flex-direction: column; }
.brand-name-group { display: flex; align-items: baseline; gap: 0.6rem; }
.brand-cn { font-weight: 900; font-size: 1.45rem; color: var(--cloud-white); }
.brand-en { font-weight: 800; font-size: 1rem; color: var(--neon-green); letter-spacing: 1px; }
.brand-sub { font-size: 0.72rem; color: var(--text-muted); font-family: 'Fira Code', monospace; }

.nav-links { display: flex; gap: 1.6rem; }
.nav-link { color: var(--text-muted); text-decoration: none; font-weight: 700; font-size: 0.92rem; transition: var(--transition-fast); position: relative; padding: 0.5rem 0; }
.nav-link:hover { color: var(--cloud-white); text-shadow: 0 0 15px var(--neon-green); }
.nav-link.active { color: var(--neon-green) !important; font-weight: 900; text-shadow: 0 0 20px var(--neon-green-glow); }
.nav-link.active::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--neon-green), var(--cyber-blue)) !important; border-radius: var(--radius-full); box-shadow: 0 0 20px var(--neon-green); }

.mobile-toggle { display: none; background: none; border: none; color: var(--cloud-white); font-size: 1.5rem; cursor: pointer; }

/* HERO SECTION */
.hero-section { padding: 104px 0 20px; position: relative; min-height: calc(100vh - 84px); display: flex; flex-direction: column; justify-content: space-between; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 3rem; align-items: center; margin-bottom: 1.5rem; }
.hero-title { font-size: 2.7rem; font-weight: 900; line-height: 1.3; letter-spacing: -1px; margin-bottom: 1.2rem; }
.hero-title-sub { display: inline-block; font-size: 2.2rem; white-space: nowrap; color: #FFFFFF; font-weight: 900; }
.hero-desc { font-size: 1.05rem; color: var(--text-muted); line-height: 1.8; margin-bottom: 1.9rem; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; margin-bottom: 1.9rem; }

.stat-card { background: var(--bg-card); border: 1px solid var(--border-color); border-top: 2px solid var(--neon-green); backdrop-filter: blur(30px); padding: 1.1rem 0.9rem; border-radius: var(--radius-md); box-shadow: 0 15px 40px rgba(0,0,0,0.6); transition: var(--transition-smooth); text-align: center; }
.stat-card:hover { border-color: var(--neon-green); transform: translateY(-5px); box-shadow: 0 0 35px var(--neon-green-glow); }
.stat-num { font-size: 2.25rem; font-weight: 900; color: #FFFFFF; }
.stat-unit { font-size: 1.25rem; font-weight: 900; color: var(--neon-green); }
.stat-label { display: block; font-size: 0.78rem; font-weight: 700; color: var(--text-muted); margin-top: 0.25rem; }

.hero-cta-group { display: flex; align-items: center; gap: 1.3rem; }
.hero-visual-card { position: relative; display: flex; justify-content: center; perspective: 1000px; }

.visual-frame { position: relative; border-radius: var(--radius-lg); overflow: hidden; border: 2px solid var(--neon-green); box-shadow: 0 0 75px var(--neon-green-glow); animation: robotFloat 7.5s ease-in-out infinite alternate; transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1); max-width: 420px; }
@keyframes robotFloat { 0% { transform: translateY(0) rotate(1deg); } 100% { transform: translateY(-16px) rotate(-1deg); } }
.hero-img { width: 100%; height: auto; display: block; object-fit: cover; }
.visual-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(7, 13, 29, 0) 45%, rgba(7, 13, 29, 0.92) 100%); pointer-events: none; }

.visual-badge { position: absolute; padding: 0.5rem 1.15rem; border-radius: var(--radius-full); background: rgba(7, 13, 29, 0.92); border: 1px solid var(--neon-green); backdrop-filter: blur(24px); font-family: 'Fira Code', monospace; font-size: 0.82rem; font-weight: 800; color: var(--neon-green); display: flex; align-items: center; gap: 0.55rem; box-shadow: 0 0 25px var(--neon-green-glow); }
.visual-badge.top-right { top: 18px; right: 18px; color: var(--neon-green); }
.visual-badge.bottom-left { bottom: 18px; left: 18px; color: var(--cyber-blue); border-color: var(--cyber-blue); }

.hero-ticker-wrapper { width: 100%; margin-top: 0.5rem; margin-bottom: 1.8rem; }
.ticker-box { background: rgba(13, 25, 48, 0.9); border: 1px solid var(--neon-green); border-radius: var(--radius-md); padding: 0.8rem 1.35rem; display: flex; align-items: center; gap: 1.3rem; backdrop-filter: blur(30px); box-shadow: 0 0 35px rgba(0, 255, 194, 0.35); overflow: hidden; }
.ticker-badge { font-family: 'Fira Code', monospace; font-size: 0.8rem; font-weight: 900; color: var(--neon-green); background: rgba(0, 255, 194, 0.2); padding: 0.4rem 0.9rem; border-radius: 6px; border: 1px solid var(--neon-green); display: flex; align-items: center; gap: 0.5rem; }
.ticker-content { flex: 1; overflow: hidden; position: relative; }
.ticker-track { display: flex; gap: 3.5rem; white-space: nowrap; animation: marqueeScroll 26s linear infinite; font-family: 'Fira Code', monospace; font-size: 0.85rem; color: var(--cloud-white); }
.ticker-track:hover { animation-play-state: paused; }
.ticker-track span { display: inline-flex; align-items: center; gap: 0.6rem; }
.text-green { color: var(--neon-green); }
.text-blue { color: var(--cyber-blue); }
.text-purple { color: #C084FC; }
.text-yellow { color: var(--cyber-gold); }
.text-cyan { color: #38BDF8; }

.hero-bottom-strip { width: 100%; margin-top: 0; background: rgba(13, 25, 48, 0.7); border: 1px solid rgba(0, 255, 194, 0.3); border-radius: var(--radius-md); padding: 0.95rem 1.6rem; backdrop-filter: blur(25px); }
.strip-grid { display: flex; align-items: center; justify-content: space-around; flex-wrap: wrap; gap: 1.4rem; }
.strip-item { display: flex; align-items: center; gap: 0.6rem; font-size: 0.88rem; font-weight: 800; color: var(--cloud-white); }
.strip-item i { font-size: 1.2rem; color: var(--cyber-blue); }

/* SECTIONS COMMON */
.section { padding: 110px 0; position: relative; }
.glass-section { background: linear-gradient(180deg, rgba(13, 25, 48, 0.7) 0%, rgba(7, 13, 29, 0.98) 100%); border-top: 1px solid rgba(0, 255, 194, 0.25); border-bottom: 1px solid rgba(0, 255, 194, 0.25); }
.section-header { text-align: center; max-width: 780px; margin: 0 auto 4rem; }
.section-header h2 { font-size: 2.65rem; font-weight: 900; margin-bottom: 1rem; color: var(--cloud-white); }
.section-header p { color: var(--text-muted); font-size: 1.05rem; }

/* AI AGENT HUB */
.flagship-agent-card { background: linear-gradient(135deg, rgba(13, 25, 48, 0.95), rgba(0, 255, 194, 0.2)); border: 2px solid var(--neon-green); border-radius: var(--radius-lg); padding: 3rem; position: relative; backdrop-filter: blur(35px); box-shadow: 0 0 65px var(--neon-green-glow); transition: var(--transition-smooth); }
.flagship-agent-card:hover { transform: translateY(-6px); box-shadow: 0 0 85px var(--neon-green-glow); }
.flagship-badge { position: absolute; top: 24px; right: 28px; padding: 0.45rem 1.25rem; border-radius: var(--radius-full); background: rgba(0, 255, 194, 0.25); border: 1px solid var(--neon-green); font-family: 'Fira Code', monospace; font-size: 0.85rem; font-weight: 900; color: var(--neon-green); }

.flagship-3col-grid { display: grid; grid-template-columns: 1.1fr 1fr 1.1fr; gap: 2.2rem; align-items: stretch; }
.flagship-col { display: flex; flex-direction: column; justify-content: space-between; }
.flagship-img-box { position: relative; border-radius: var(--radius-md); overflow: hidden; border: 2px solid var(--neon-green); box-shadow: 0 0 35px var(--neon-green-glow); height: 100%; min-height: 240px; }
.flagship-img { width: 100%; height: 100%; object-fit: cover; display: block; }
.flagship-img-badge { position: absolute; bottom: 12px; left: 12px; padding: 0.35rem 0.85rem; border-radius: var(--radius-full); background: rgba(7, 13, 29, 0.9); border: 1px solid var(--neon-green); font-family: 'Fira Code', monospace; font-size: 0.75rem; font-weight: 800; color: var(--neon-green); }

.flagship-code-box { height: 100%; display: flex; flex-direction: column; margin-bottom: 0; }
.flagship-features { display: flex; flex-direction: column; gap: 0.6rem; margin-top: 1.2rem; }
.flagship-features span { font-size: 0.85rem; font-weight: 800; color: var(--neon-green); background: rgba(0, 255, 194, 0.15); padding: 0.4rem 0.9rem; border-radius: var(--radius-full); border: 1px solid var(--neon-green); width: fit-content; }

/* 4 MATRIX AGENTS */
.agent-matrix-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2.4rem; }
.employee-card { background: var(--bg-card); border: 1px solid rgba(0, 255, 194, 0.3); border-top: 3px solid var(--neon-green); border-radius: var(--radius-md); padding: 2.5rem; position: relative; backdrop-filter: blur(35px); transition: var(--transition-smooth); display: flex; flex-direction: column; justify-content: space-between; height: 100%; }
.employee-card:hover { transform: translateY(-8px); border-color: var(--neon-green); box-shadow: 0 0 50px var(--neon-green-glow); }
.employee-card.emp-nursing { border-top: 3px solid var(--cyber-blue); }
.employee-card.emp-health { border-top: 3px solid var(--laser-purple); }
.employee-card.emp-service { border-top: 3px solid var(--cyber-gold); }
.employee-card.emp-devops { border-top: 3px solid var(--cyber-blue); }

.employee-card .emp-code-box { height: 140px; overflow: hidden; margin-top: 1.2rem; margin-bottom: 1.2rem; }
.emp-badge { position: absolute; top: 24px; right: 24px; padding: 0.35rem 0.95rem; border-radius: var(--radius-full); background: rgba(0, 255, 194, 0.2); border: 1px solid var(--neon-green); font-family: 'Fira Code', monospace; font-size: 0.78rem; font-weight: 800; color: var(--neon-green); }

.emp-header { display: flex; align-items: center; gap: 1.4rem; margin-bottom: 1.2rem; }
.emp-icon { width: 60px; height: 60px; border-radius: 18px; background: linear-gradient(135deg, rgba(0, 117, 255, 0.35), rgba(0, 255, 194, 0.35)); border: 1px solid var(--neon-green); display: flex; align-items: center; justify-content: center; font-size: 1.75rem; color: var(--neon-green); box-shadow: 0 0 25px var(--neon-green-glow); }
.emp-header h3 { font-size: 1.35rem; font-weight: 900; color: #FFFFFF; }
.emp-sub { font-size: 0.8rem; color: #38BDF8; font-weight: 800; font-family: 'Fira Code', monospace; }
.emp-desc { font-size: 0.95rem; color: var(--text-muted); line-height: 1.75; }

.emp-code-box { background: rgba(5, 10, 22, 0.95); border: 1px solid rgba(0, 255, 194, 0.3); border-radius: var(--radius-sm); padding: 1.1rem 1.3rem; box-shadow: inset 0 0 20px rgba(0,0,0,0.8); }
.mac-window-dots { display: flex; align-items: center; gap: 8px; margin-bottom: 0.75rem; padding-bottom: 0.55rem; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.mac-window-dots .dot { width: 11px; height: 11px; border-radius: 50%; }
.dot-red { background: #ff5f56; } .dot-yellow { background: #ffbd2e; } .dot-green { background: #27c93f; }
.code-title { font-size: 0.78rem; font-weight: 800; color: #38BDF8; margin-left: auto; font-family: 'Fira Code', monospace; }
.emp-code-box pre { font-family: 'Fira Code', monospace; font-size: 0.8rem; color: #A7F3D0; line-height: 1.65; white-space: pre-wrap; word-break: break-all; }
.emp-footer { font-size: 0.88rem; font-weight: 800; color: var(--neon-green); display: flex; align-items: center; gap: 0.55rem; padding-top: 0.9rem; border-top: 1px solid rgba(255, 255, 255, 0.12); }

/* SPOTLIGHT DUAL GRID */
.spotlight-dual-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2.5rem; align-items: stretch; }
.feature-spotlight-card { background: var(--bg-card); border: 1px solid rgba(0, 255, 194, 0.35); border-radius: var(--radius-lg); padding: 2.2rem; display: flex; flex-direction: column; justify-content: space-between; backdrop-filter: blur(30px); transition: var(--transition-smooth); }
.feature-spotlight-card:hover { transform: translateY(-7px); border-color: var(--neon-green); box-shadow: 0 0 50px var(--neon-green-glow); }
.spotlight-text h2 { font-size: 1.6rem; font-weight: 900; margin-bottom: 0.8rem; color: #FFFFFF; }
.spotlight-text p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; margin-bottom: 1.3rem; }

/* 1:1 左右交替图文并茂网格 */
.spotlight-split-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 3.5rem;
  align-items: center;
  background: var(--bg-card);
  border: 1.5px solid rgba(0, 255, 194, 0.35);
  border-radius: var(--radius-lg);
  padding: 3rem 3.5rem;
  backdrop-filter: blur(35px);
  box-shadow: 0 0 55px var(--neon-green-glow);
  transition: var(--transition-smooth);
}

.spotlight-split-grid:hover {
  transform: translateY(-6px);
  border-color: var(--neon-green);
  box-shadow: 0 0 75px var(--neon-green-glow);
}

.spotlight-split-grid.reverse-order { grid-template-columns: 1.15fr 1fr; }

.split-text-col h2 { font-size: 2.1rem; font-weight: 900; margin-bottom: 1.1rem; color: #FFFFFF; line-height: 1.3; }
.split-text-col p { font-size: 1.02rem; color: var(--text-muted); line-height: 1.8; margin-bottom: 1.6rem; }
.split-feature-list { list-style: none; display: flex; flex-direction: column; gap: 0.85rem; }
.split-feature-list li { font-size: 0.95rem; color: var(--cloud-white); display: flex; align-items: center; gap: 0.75rem; font-weight: 700; }

/* 全息科技浮空面板 */
.holo-window-frame {
  background: rgba(5, 10, 22, 0.95);
  border: 1.5px solid var(--neon-green);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 0 45px var(--neon-green-glow);
  position: relative;
  transition: var(--transition-smooth);
}

.holo-window-frame:hover { transform: translateY(-5px) scale(1.02); box-shadow: 0 0 75px var(--neon-green-glow); }
.holo-header { background: rgba(3, 7, 16, 0.95); border-bottom: 1px solid rgba(0, 255, 194, 0.25); padding: 0.65rem 1.2rem; display: flex; align-items: center; justify-content: space-between; }
.holo-status-text { font-family: 'Fira Code', monospace; font-size: 0.75rem; font-weight: 800; color: var(--neon-green); display: flex; align-items: center; gap: 0.45rem; }
.holo-body { position: relative; overflow: hidden; height: 270px; }
.holo-img { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; filter: contrast(1.05) saturate(1.1); transition: var(--transition-smooth); }
.holo-window-frame:hover .holo-img { transform: scale(1.05); }

.holo-laser-scanner { position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, transparent 0%, var(--neon-green) 50%, transparent 100%); box-shadow: 0 0 15px var(--neon-green), 0 0 30px var(--neon-green); opacity: 0.8; animation: holoScan 4s linear infinite; pointer-events: none; }
@keyframes holoScan { 0% { transform: translateY(0); } 100% { transform: translateY(270px); } }

.holo-corner { position: absolute; width: 12px; height: 12px; border: 2px solid var(--neon-green); pointer-events: none; z-index: 5; }
.corner-tl { top: 8px; left: 8px; border-right: none; border-bottom: none; }
.corner-tr { top: 8px; right: 8px; border-left: none; border-bottom: none; }
.corner-bl { bottom: 8px; left: 8px; border-right: none; border-top: none; }
.corner-br { bottom: 8px; right: 8px; border-left: none; border-top: none; }

/* DUAL ENGINE ARCHITECTURE BOXES */
.arch-dual-grid { display: grid; grid-template-columns: 1fr auto 1fr; gap: 2.4rem; align-items: center; }
.engine-box { background: var(--bg-card); border: 1px solid rgba(0, 255, 194, 0.35); border-top: 3px solid var(--neon-green); border-radius: var(--radius-lg); padding: 2.8rem 2.4rem; backdrop-filter: blur(35px); transition: var(--transition-smooth); }
.engine-box.im-engine { border-top: 3px solid var(--cyber-blue); }
.engine-box.agent-engine { border-top: 3px solid var(--neon-green); box-shadow: 0 0 45px var(--neon-green-glow); }
.engine-box:hover { transform: translateY(-7px); border-color: var(--neon-green); }
.engine-header { display: flex; align-items: center; gap: 1.4rem; margin-bottom: 2rem; }
.engine-header i { font-size: 2.7rem; color: var(--neon-green); }
.engine-box.im-engine .engine-header i { color: var(--cyber-blue); }
.engine-header h3 { font-size: 1.5rem; font-weight: 900; color: #FFFFFF; }
.engine-sub { font-size: 0.82rem; color: var(--text-muted); font-family: 'Fira Code', monospace; }
.engine-features { list-style: none; display: flex; flex-direction: column; gap: 1.2rem; }
.engine-features li { font-size: 0.98rem; color: var(--cloud-white); line-height: 1.7; }
.engine-features i { color: var(--neon-green); margin-right: 0.6rem; }
.engine-connector { display: flex; flex-direction: column; align-items: center; gap: 0.6rem; }
.connector-line { width: 2px; height: 70px; background: linear-gradient(180deg, var(--cyber-blue), var(--neon-green)); }
.connector-badge { padding: 0.5rem 1.1rem; border-radius: var(--radius-full); background: var(--bg-card); border: 1px solid var(--neon-green); font-size: 0.82rem; font-weight: 900; color: var(--neon-green); }

/* AUDIENCE CARDS GRID */
.audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.4rem; }
.audience-card { background: var(--bg-card); border: 1px solid rgba(0, 255, 194, 0.3); border-radius: var(--radius-md); padding: 2.6rem 2.2rem; position: relative; cursor: pointer; backdrop-filter: blur(30px); transition: var(--transition-smooth); }
.audience-card:hover { transform: translateY(-7px); border-color: var(--neon-green); box-shadow: 0 0 40px var(--neon-green-glow); }
.audience-card.active-aud-card { border: 2px solid var(--neon-green) !important; box-shadow: 0 0 60px var(--neon-green-glow) !important; background: linear-gradient(180deg, rgba(0, 255, 194, 0.25) 0%, rgba(13, 25, 48, 0.98) 100%) !important; transform: translateY(-9px) scale(1.03) !important; }
.aud-icon { font-size: 2.5rem; color: var(--cyber-blue); margin-bottom: 1.2rem; }
.aud-tag { font-size: 0.82rem; font-weight: 900; color: var(--neon-green); font-family: 'Fira Code', monospace; display: block; margin-bottom: 0.65rem; }
.audience-card h3 { font-size: 1.35rem; font-weight: 900; margin-bottom: 0.9rem; color: #FFFFFF; }
.audience-card p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; margin-bottom: 1.4rem; }
.aud-bullets { list-style: none; display: flex; flex-direction: column; gap: 0.7rem; }
.aud-bullets li { font-size: 0.9rem; color: var(--cloud-white); display: flex; align-items: flex-start; gap: 0.6rem; }
.aud-bullets i { color: var(--neon-green); margin-top: 0.25rem; }

/* ADVANTAGES GRID */
.advantages-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.8rem; }
.adv-card { background: var(--bg-card); border: 1px solid rgba(0, 255, 194, 0.3); border-radius: var(--radius-md); padding: 2.4rem 1.8rem; position: relative; display: flex; flex-direction: column; justify-content: space-between; transition: var(--transition-fast); }
.adv-card:hover { border-color: var(--neon-green); transform: translateY(-6px); box-shadow: 0 0 40px var(--neon-green-glow); }
.adv-number { font-size: 2.4rem; font-weight: 900; color: rgba(0, 255, 194, 0.35); margin-bottom: 0.9rem; font-family: 'Fira Code', monospace; }
.adv-card h3 { font-size: 1.2rem; font-weight: 900; margin-bottom: 0.8rem; color: #FFFFFF; }
.adv-card p { font-size: 0.92rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 1.3rem; }
.adv-code-snippet { font-family: 'Fira Code', monospace; font-size: 0.75rem; font-weight: 800; color: var(--neon-green); background: rgba(5, 10, 22, 0.8); border: 1px solid var(--neon-green); padding: 0.45rem 0.8rem; border-radius: 6px; margin-top: auto; }

/* ROADMAP TIMELINE */
.roadmap-timeline-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.8rem; position: relative; }
.timeline-node { background: var(--bg-card); border: 1px solid rgba(0, 255, 194, 0.3); border-radius: var(--radius-md); padding: 2.1rem 1.6rem; position: relative; display: flex; flex-direction: column; justify-content: space-between; transition: var(--transition-smooth); }
.timeline-node:hover { transform: translateY(-7px); border-color: var(--neon-green); box-shadow: 0 0 35px var(--neon-green-glow); }
.timeline-node.current-node { border-top: 3px solid var(--neon-green); box-shadow: 0 0 35px var(--neon-green-glow); }
.timeline-node.active-node { border-top: 3px solid var(--cyber-blue); }
.node-tag { font-family: 'Fira Code', monospace; font-size: 0.78rem; font-weight: 900; padding: 0.4rem 0.75rem; border-radius: var(--radius-full); display: inline-block; margin-bottom: 0.95rem; width: fit-content; }
.node-tag.current { background: rgba(0, 255, 194, 0.25); color: var(--neon-green); border: 1px solid var(--neon-green); }
.node-tag.in-progress { background: rgba(0, 117, 255, 0.25); color: #38BDF8; border: 1px solid var(--cyber-blue); }
.node-tag.future { background: rgba(157, 0, 255, 0.25); color: #C084FC; border: 1px solid var(--laser-purple); }
.node-tag.vision { background: rgba(254, 215, 170, 0.25); color: var(--cyber-gold); border: 1px solid var(--cyber-gold); }
.timeline-node h3 { font-size: 1.2rem; font-weight: 900; margin-bottom: 0.7rem; color: #FFFFFF; }
.timeline-node p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 1.4rem; }
.node-badge { font-size: 0.8rem; font-weight: 800; color: var(--text-dim); display: flex; align-items: center; gap: 0.5rem; }
.timeline-node.current-node .node-badge { color: var(--neon-green); }

/* CORE TEAM GRID */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.4rem; }
.team-card { background: var(--bg-card); border: 1px solid rgba(0, 255, 194, 0.3); border-radius: var(--radius-md); padding: 2.7rem 2.2rem; backdrop-filter: blur(30px); transition: var(--transition-smooth); display: flex; flex-direction: column; align-items: center; text-align: center; }
.team-card:hover { transform: translateY(-9px); border-color: var(--neon-green); box-shadow: 0 0 50px var(--neon-green-glow); }
.team-avatar-box { width: 76px; height: 76px; border-radius: 24px; background: linear-gradient(135deg, rgba(0, 117, 255, 0.35), rgba(0, 255, 194, 0.35)); border: 2px solid var(--neon-green); display: flex; align-items: center; justify-content: center; font-size: 2.3rem; color: var(--neon-green); margin-bottom: 1.4rem; box-shadow: 0 0 35px var(--neon-green-glow); }
.team-card h3 { font-size: 1.35rem; font-weight: 900; color: #FFFFFF; margin-bottom: 0.4rem; }
.team-role { font-size: 0.82rem; font-weight: 800; color: #38BDF8; font-family: 'Fira Code', monospace; margin-bottom: 1.1rem; display: block; }
.team-desc { font-size: 0.95rem; color: var(--text-muted); line-height: 1.75; margin-bottom: 1.5rem; }
.team-tags { display: flex; gap: 0.65rem; flex-wrap: wrap; justify-content: center; margin-top: auto; }
.team-tags span { font-size: 0.78rem; font-weight: 800; color: var(--neon-green); background: rgba(0, 255, 194, 0.15); padding: 0.35rem 0.85rem; border-radius: var(--radius-full); border: 1px solid var(--neon-green); }

/* IMPACT DUAL GRID */
.impact-dual-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; }
.impact-card { background: var(--bg-card); border: 1px solid rgba(0, 255, 194, 0.35); border-radius: var(--radius-md); padding: 2.6rem 2.2rem; backdrop-filter: blur(30px); transition: var(--transition-smooth); }
.impact-card.commercial-card { border-top: 3px solid var(--cyber-blue); }
.impact-card.social-card { border-top: 3px solid var(--neon-green); }
.impact-card:hover { transform: translateY(-7px); border-color: var(--neon-green); box-shadow: 0 0 50px var(--neon-green-glow); }
.impact-header { display: flex; align-items: center; gap: 1.3rem; margin-bottom: 2rem; padding-bottom: 1rem; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.impact-header i { font-size: 2.5rem; }
.impact-header h3 { font-size: 1.4rem; font-weight: 900; color: #FFFFFF; }
.impact-sub { font-size: 0.8rem; color: var(--text-dim); font-family: 'Fira Code', monospace; }

.impact-block-list { display: flex; flex-direction: column; gap: 1.4rem; }
.impact-item { background: rgba(5, 10, 22, 0.65); border: 1px solid rgba(0, 255, 194, 0.2); padding: 1.25rem 1.4rem; border-radius: var(--radius-sm); transition: var(--transition-fast); }
.impact-item:hover { border-color: var(--neon-green); background: rgba(0, 255, 194, 0.08); }
.impact-title { font-size: 1.05rem; font-weight: 900; color: var(--cloud-white); display: flex; align-items: center; gap: 0.65rem; margin-bottom: 0.45rem; }
.impact-title i { font-size: 1.1rem; }
.impact-text { font-size: 0.92rem; color: var(--text-muted); line-height: 1.7; }

/* FUSION ARENA TERMINAL */
.scenario-tabs { display: flex; justify-content: center; gap: 1.2rem; flex-wrap: wrap; margin-bottom: 3rem; }
.tab-btn { display: flex; align-items: center; gap: 0.7rem; padding: 0.95rem 1.9rem; border-radius: var(--radius-full); background: var(--bg-card); border: 1px solid rgba(0, 255, 194, 0.3); color: var(--text-muted); font-weight: 700; font-size: 0.95rem; cursor: pointer; transition: var(--transition-fast); }
.tab-btn:hover { color: var(--cloud-white); border-color: var(--neon-green); }
.tab-btn.active { background: linear-gradient(135deg, var(--neon-green) 0%, var(--cyber-blue) 100%) !important; color: #070D1D !important; font-weight: 900 !important; border-color: var(--neon-green) !important; box-shadow: 0 0 50px var(--neon-green-glow) !important; transform: translateY(-3px); }

.arena-grid { display: grid; grid-template-columns: 1fr auto 1fr; gap: 1.8rem; align-items: stretch; }

.arena-vs-badge { display: flex; align-items: center; justify-content: center; position: relative; }
.arena-vs-badge span {
  width: 62px; height: 62px; border-radius: 50%;
  background: linear-gradient(135deg, var(--neon-green), var(--cyber-blue));
  color: #070D1D; font-weight: 900; font-size: 1.45rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 45px var(--neon-green-glow);
  position: relative; z-index: 2;
  animation: laserBadgePulse 2s infinite alternate;
}

@keyframes laserBadgePulse {
  0% { transform: scale(1); box-shadow: 0 0 30px var(--neon-green-glow); }
  100% { transform: scale(1.12); box-shadow: 0 0 65px var(--neon-green-glow), 0 0 30px var(--laser-purple-glow); }
}

.terminal-card { background: rgba(5, 10, 22, 0.96); border-radius: var(--radius-md); border: 1px solid rgba(0, 255, 194, 0.35); display: flex; flex-direction: column; height: 520px; overflow: hidden; box-shadow: 0 30px 65px rgba(0,0,0,0.8); backdrop-filter: blur(35px); position: relative; }
.terminal-card.traditional { border-top: 3px solid var(--cyber-blue); }
.terminal-card.agent { border-top: 3px solid var(--neon-green); box-shadow: 0 0 55px var(--neon-green-glow); }

.terminal-header { padding: 1rem 1.4rem; background: rgba(3, 7, 16, 0.95); border-bottom: 1px solid rgba(0, 255, 194, 0.2); display: flex; align-items: center; justify-content: space-between; }
.terminal-badge { font-size: 0.9rem; font-weight: 900; display: flex; align-items: center; gap: 0.6rem; font-family: 'Fira Code', monospace; }
.badge-old { color: #38BDF8; }
.badge-new { color: var(--neon-green); }

.status-indicator { font-size: 0.8rem; font-weight: 800; display: flex; align-items: center; gap: 0.5rem; font-family: 'Fira Code', monospace; }
.status-indicator.online { color: var(--neon-green); }

.chat-viewport { flex: 1; padding: 1.5rem; overflow-y: auto; display: flex; flex-direction: column; gap: 1.3rem; }

.chat-msg { display: flex; flex-direction: column; max-width: 88%; font-size: 0.95rem; animation: msgSlideUp 0.45s cubic-bezier(0.16, 1, 0.3, 1) forwards; opacity: 0; }

@keyframes msgSlideUp {
  0% { opacity: 0; transform: translateY(20px) scale(0.96); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

.chat-msg.user { align-self: flex-end; }
.chat-msg.bot { align-self: flex-start; }
.chat-msg .sender-name { font-size: 0.75rem; color: var(--text-dim); margin-bottom: 0.3rem; font-weight: 700; font-family: 'Fira Code', monospace; }
.chat-msg.user .sender-name { align-self: flex-end; }

.msg-bubble { padding: 0.9rem 1.25rem; border-radius: var(--radius-sm); line-height: 1.7; word-break: break-word; font-size: 0.95rem; position: relative; }
.chat-msg.user .msg-bubble { background: linear-gradient(135deg, var(--cyber-blue), #0284c7); color: #fff; border-bottom-right-radius: 2px; }
.chat-msg.bot .msg-bubble { background: rgba(255, 255, 255, 0.1); border: 1px solid var(--border-color); color: var(--cloud-white); border-bottom-left-radius: 2px; }
.chat-msg.bot.agent-reply .msg-bubble { background: rgba(0, 255, 194, 0.18); border: 1px solid var(--neon-green); color: #ECFDF5; box-shadow: 0 0 30px var(--neon-green-glow); }

.typing-cursor { display: inline-block; width: 8px; height: 16px; background: var(--neon-green); margin-left: 4px; vertical-align: middle; animation: cursorBlink 0.8s infinite; }
@keyframes cursorBlink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.reasoning-tag { display: inline-flex; align-items: center; gap: 0.55rem; font-family: 'Fira Code', monospace; font-size: 0.78rem; font-weight: 800; background: rgba(0, 255, 194, 0.25); color: var(--neon-green); padding: 0.35rem 0.8rem; border-radius: 6px; margin-bottom: 0.6rem; border: 1px solid var(--neon-green); animation: cotBreathing 2s infinite alternate; }
@keyframes cotBreathing { 0% { box-shadow: 0 0 10px var(--neon-green-glow); } 100% { box-shadow: 0 0 25px var(--neon-green-glow), 0 0 15px var(--cyber-blue-glow); } }

.terminal-footer { padding: 1rem 1.4rem; background: rgba(3, 7, 16, 0.9); border-top: 1px solid rgba(0, 255, 194, 0.2); display: flex; justify-between: space-between; }
.metric-item { display: flex; flex-direction: column; }
.metric-title { font-size: 0.75rem; color: var(--text-dim); font-family: 'Fira Code', monospace; }
.metric-val { font-weight: 900; font-size: 0.92rem; font-family: 'Fira Code', monospace; }
.metric-item.success .metric-val { color: var(--neon-green); }
.arena-action { text-align: center; margin-top: 2.4rem; }

/* CALCULATOR SECTION */
.calculator-box { display: grid; grid-template-columns: 1fr 1fr; gap: 3.8rem; background: var(--bg-card); border: 2px solid var(--neon-green); border-radius: var(--radius-lg); padding: 3.5rem; box-shadow: 0 0 75px var(--neon-green-glow); backdrop-filter: blur(35px); }
.calc-inputs { display: flex; flex-direction: column; gap: 2.4rem; }
.calc-control { display: flex; flex-direction: column; gap: 0.85rem; }
.control-header { display: flex; justify-content: space-between; align-items: center; }
.control-header label { font-weight: 800; font-size: 1.02rem; color: #FFFFFF; display: flex; align-items: center; gap: 0.6rem; }
.calc-val { font-weight: 900; color: var(--neon-green); font-size: 1.25rem; font-family: 'Fira Code', monospace; }
input[type=range] { -webkit-appearance: none; width: 100%; background: rgba(0, 255, 194, 0.2); height: 9px; border-radius: 5px; outline: none; }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 24px; height: 24px; border-radius: 50%; background: var(--neon-green); cursor: pointer; box-shadow: 0 0 20px var(--neon-green); transition: transform 0.1s; }
input[type=range]::-webkit-slider-thumb:hover { transform: scale(1.25); }
.calc-results { display: flex; flex-direction: column; gap: 1.8rem; justify-content: center; }
.primary-result { background: linear-gradient(135deg, rgba(0, 117, 255, 0.3), rgba(0, 255, 194, 0.3)); border: 1px solid var(--neon-green); border-radius: var(--radius-md); padding: 2.4rem; text-align: center; box-shadow: 0 0 35px var(--neon-green-glow); }
.res-title { font-size: 0.95rem; color: var(--text-muted); font-weight: 700; }
.res-amount { font-size: 3.6rem; font-weight: 900; color: #FFFFFF; margin: 0.7rem 0; }
.res-amount small { font-size: 1.15rem; color: var(--neon-green); }
.res-note { font-size: 0.88rem; color: var(--neon-green); font-weight: 800; }
.result-sub-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.sub-result { background: rgba(5, 10, 22, 0.7); border: 1px solid var(--border-color); padding: 1.4rem; border-radius: var(--radius-sm); text-align: center; }
.sub-title { font-size: 0.85rem; color: var(--text-dim); display: block; font-family: 'Fira Code', monospace; }
.sub-val { font-size: 1.55rem; font-weight: 900; color: #FFFFFF; margin-top: 0.4rem; display: block; font-family: 'Fira Code', monospace; }

/* FOOTER */
.footer { background: #040814; border-top: 1px solid var(--neon-green); padding: 90px 0 50px; }
.footer-content { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 4.5rem; margin-bottom: 4.5rem; }
.footer-brand p { color: var(--text-muted); font-size: 0.95rem; margin-top: 1.2rem; max-width: 380px; }
.footer-links-group h4 { font-size: 1.1rem; font-weight: 900; margin-bottom: 1.4rem; color: #FFFFFF; }
.footer-links-group ul { list-style: none; display: flex; flex-direction: column; gap: 0.85rem; }
.footer-links-group a { color: var(--text-muted); text-decoration: none; font-size: 0.95rem; transition: var(--transition-fast); }
.footer-links-group a:hover { color: var(--neon-green); }
.footer-bottom { text-align: center; padding-top: 2.4rem; border-top: 1px solid rgba(255, 255, 255, 0.1); color: var(--text-dim); font-size: 0.9rem; font-family: 'Fira Code', monospace; }

/* ==========================================================================
   H5 移动端（窄屏设备 768px & 480px）终极全面响应式美化重构
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .flagship-3col-grid { grid-template-columns: 1fr; gap: 1.8rem; }
  .agent-matrix-grid { grid-template-columns: 1fr; }
  .spotlight-dual-grid { grid-template-columns: 1fr; }
  .spotlight-split-grid { grid-template-columns: 1fr !important; padding: 2rem; gap: 2rem; }
  .spotlight-split-grid.reverse-order { grid-template-columns: 1fr !important; }
  .arch-dual-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .engine-connector { flex-direction: row; height: auto; margin: 0.5rem 0; }
  .connector-line { width: 40px; height: 2px; }
  .audience-grid { grid-template-columns: 1fr; }
  .advantages-grid { grid-template-columns: 1fr 1fr; }
  .roadmap-timeline-grid { grid-template-columns: 1fr 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .impact-dual-grid { grid-template-columns: 1fr; }
  .arena-grid { grid-template-columns: 1fr; }
  .arena-vs-badge { margin: 0.8rem 0; }
  .calculator-box { grid-template-columns: 1fr; padding: 2.2rem; }
  .footer-content { grid-template-columns: 1fr; gap: 2.2rem; }
}

@media (max-width: 768px) {
  /* 1. 移动端 Navbar & 抽屉菜单 */
  .navbar { height: 72px; }
  .nav-container { padding: 0 1.25rem; }
  .brand-logo-wrapper { width: 42px; height: 42px; padding: 4px; }
  .brand-cn { font-size: 1.25rem; }
  .brand-en { font-size: 0.88rem; }
  .brand-sub { display: none; }
  .nav-actions .btn-glow { display: none; } /* 移动端隐藏冗余按钮 */

  .nav-links {
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: rgba(7, 13, 29, 0.98);
    backdrop-filter: blur(35px) saturate(220%);
    flex-direction: column;
    padding: 1.8rem 1.5rem;
    gap: 1.2rem;
    transform: translateY(-150%);
    transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
    border-bottom: 2px solid var(--neon-green);
    box-shadow: 0 20px 50px rgba(0,0,0,0.9);
  }
  .nav-links.mobile-open { transform: translateY(0); }
  .mobile-toggle { display: block; }

  /* 2. Hero 移动端优化 */
  .hero-section { padding-top: 88px; padding-bottom: 20px; min-height: auto; }
  .hero-title { font-size: 1.95rem; letter-spacing: -0.5px; line-height: 1.25; margin-bottom: 1rem; }
  .hero-title-sub { font-size: 1.35rem; white-space: normal; }
  .hero-desc { font-size: 0.92rem; line-height: 1.7; margin-bottom: 1.5rem; }
  
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 0.6rem; }
  .stat-card { padding: 0.75rem 0.4rem; border-radius: var(--radius-sm); }
  .stat-num { font-size: 1.45rem; }
  .stat-unit { font-size: 0.9rem; }
  .stat-label { font-size: 0.68rem; margin-top: 0.15rem; }

  .hero-cta-group { flex-direction: column; width: 100%; gap: 0.85rem; }
  .hero-cta-group .btn { width: 100%; padding: 0.85rem 1.5rem; font-size: 0.9rem; }

  .visual-frame { max-width: 100%; border-radius: var(--radius-md); }
  .visual-badge { padding: 0.35rem 0.8rem; font-size: 0.72rem; }

  .ticker-box { padding: 0.6rem 0.9rem; gap: 0.75rem; }
  .ticker-badge { font-size: 0.72rem; padding: 0.3rem 0.6rem; }
  .ticker-track { font-size: 0.78rem; gap: 2rem; }

  .strip-grid { gap: 0.8rem; justify-content: center; }
  .strip-item { font-size: 0.78rem; }

  /* 3. Section 通用与 AI Agent Hub 移动端 */
  .section { padding: 75px 0; }
  .section-header { margin-bottom: 2.5rem; padding: 0 0.5rem; }
  .section-header h2 { font-size: 1.75rem; line-height: 1.3; }
  .section-header p { font-size: 0.92rem; }

  .flagship-agent-card { padding: 1.6rem 1.2rem; border-radius: var(--radius-md); }
  .flagship-badge { position: relative; top: 0; right: 0; margin-bottom: 1.2rem; display: inline-block; font-size: 0.75rem; }
  .flagship-3col-grid { gap: 1.4rem; }
  .emp-header h3 { font-size: 1.2rem; }
  .emp-sub { font-size: 0.75rem; }
  .flagship-features span { font-size: 0.78rem; padding: 0.3rem 0.7rem; }
  .flagship-img-box { min-height: 180px; max-height: 200px; }

  .employee-card { padding: 1.5rem 1.25rem; border-radius: var(--radius-md); }
  .emp-badge { position: relative; top: 0; right: 0; margin-bottom: 1rem; display: inline-block; font-size: 0.72rem; }
  .emp-header { gap: 1rem; }
  .emp-icon { width: 48px; height: 48px; font-size: 1.35rem; border-radius: 12px; }
  .employee-card .emp-code-box { height: auto; max-height: 150px; padding: 0.85rem; }
  .emp-code-box pre { font-size: 0.72rem; }

  /* 4. 1:1 Split 网格移动端优化 */
  .spotlight-split-grid { padding: 1.5rem 1.2rem; border-radius: var(--radius-md); }
  .split-text-col h2 { font-size: 1.45rem; }
  .split-text-col p { font-size: 0.9rem; margin-bottom: 1.2rem; }
  .split-feature-list li { font-size: 0.85rem; }

  .holo-body { height: 180px !important; }
  .holo-header { padding: 0.5rem 0.85rem; }
  .holo-status-text { font-size: 0.7rem; }

  /* 5. 架构与演练台移动端 */
  .engine-box { padding: 1.6rem 1.25rem; border-radius: var(--radius-md); }
  .engine-header { gap: 1rem; margin-bottom: 1.2rem; }
  .engine-header i { font-size: 2rem; }
  .engine-header h3 { font-size: 1.25rem; }
  .engine-features li { font-size: 0.88rem; }

  .audience-card { padding: 1.6rem 1.25rem; }
  .advantages-grid { grid-template-columns: 1fr; gap: 1.2rem; }
  .adv-card { padding: 1.6rem 1.25rem; }
  .adv-number { font-size: 1.8rem; }

  .scenario-tabs { gap: 0.6rem; margin-bottom: 1.8rem; }
  .tab-btn { padding: 0.65rem 1.1rem; font-size: 0.82rem; }

  .terminal-card { height: 380px; }
  .terminal-header { padding: 0.75rem 1rem; }
  .terminal-badge { font-size: 0.8rem; }
  .chat-viewport { padding: 1rem; gap: 0.9rem; }
  .msg-bubble { padding: 0.75rem 1rem; font-size: 0.85rem; }

  .roadmap-timeline-grid { grid-template-columns: 1fr; gap: 1.2rem; }
  .timeline-node { padding: 1.5rem 1.2rem; }

  .team-card { padding: 1.8rem 1.25rem; }
  .team-avatar-box { width: 62px; height: 62px; font-size: 1.8rem; }

  /* 6. Calculator & Impact 移动端 */
  .calculator-box { padding: 1.5rem 1.25rem; border-radius: var(--radius-md); }
  .calc-inputs { gap: 1.5rem; }
  .control-header label { font-size: 0.88rem; }
  .calc-val { font-size: 1.05rem; }
  .primary-result { padding: 1.5rem 1rem; }
  .res-amount { font-size: 2.2rem; }
  .res-amount small { font-size: 0.95rem; }
  .sub-val { font-size: 1.25rem; }

  .impact-card { padding: 1.5rem 1.25rem; }
  .impact-header h3 { font-size: 1.2rem; }
  .impact-item { padding: 0.95rem 1rem; }
  .impact-title { font-size: 0.95rem; }
  .impact-text { font-size: 0.85rem; }

  .footer { padding: 50px 0 30px; }
  .footer-content { gap: 2rem; margin-bottom: 2.5rem; }
  .footer-bottom { font-size: 0.78rem; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.65rem; }
  .hero-stats { grid-template-columns: 1fr; gap: 0.5rem; }
  .stat-card { padding: 0.6rem; }
  .stat-num { font-size: 1.6rem; }
  .section-header h2 { font-size: 1.45rem; }
  .btn-lg { padding: 0.8rem 1.6rem; font-size: 0.85rem; }
  .terminal-card { height: 340px; }
}