/* ============================================
   GT2.AI - Global Style System
   现代科技感 AI 品牌官网
   ============================================ */

/* ---------- Google Fonts Import ---------- */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Noto+Sans+SC:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ---------- CSS Variables ---------- */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --accent-cyan: #00d4ff;
  --accent-blue: #6366f1;
  --accent-purple: #a855f7;
  --accent-pink: #ec4899;
  --accent-green: #10b981;
  --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #6366f1 50%, #a855f7 100%);
  --gradient-text: linear-gradient(135deg, #00d4ff, #a855f7);
  --text-primary: #f0f0f5;
  --text-secondary: #8b8b9e;
  --text-muted: #5a5a6e;
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Noto Sans SC', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --nav-height: 80px;
  --container-max: 1200px;
  --section-padding: 120px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
::selection { background: rgba(99, 102, 241, 0.3); color: #fff; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: linear-gradient(var(--accent-cyan), var(--accent-purple)); border-radius: 3px; }

/* ---------- Utility ---------- */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.8rem;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--accent-cyan); margin-bottom: 16px;
}
.section-label::before {
  content: ''; width: 24px; height: 1px; background: var(--accent-cyan);
}
.section-title {
  font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700; line-height: 1.2; margin-bottom: 20px;
}
.section-desc { font-size: 1.1rem; color: var(--text-secondary); max-width: 600px; line-height: 1.8; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-header .section-desc { margin: 0 auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 36px; border-radius: 12px;
  font-family: var(--font-body); font-size: 1rem; font-weight: 600;
  cursor: pointer; transition: all 0.4s var(--ease-out);
  position: relative; overflow: hidden; border: none;
}
.btn-primary {
  background: var(--gradient-primary); color: #fff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.35);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 40px rgba(99, 102, 241, 0.5), 0 0 60px rgba(0, 212, 255, 0.15);
}
.btn-outline {
  background: transparent; color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.15); backdrop-filter: blur(10px);
}
.btn-outline:hover {
  border-color: var(--accent-cyan); color: var(--accent-cyan);
  background: rgba(0, 212, 255, 0.05); transform: translateY(-3px);
}

/* ---------- Background Effects ---------- */
.bg-orbs {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 0; overflow: hidden;
}
.bg-orb {
  position: absolute; border-radius: 50%;
  filter: blur(100px); opacity: 0.15;
  animation: float 20s ease-in-out infinite;
}
.bg-orb-1 { width: 600px; height: 600px; background: var(--accent-cyan); top: -200px; right: -100px; animation-delay: 0s; }
.bg-orb-2 { width: 500px; height: 500px; background: var(--accent-purple); bottom: -150px; left: -100px; animation-delay: -7s; }
.bg-orb-3 { width: 400px; height: 400px; background: var(--accent-blue); top: 50%; left: 50%; animation-delay: -14s; }

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(50px, -80px) scale(1.1); }
  50% { transform: translate(-30px, 60px) scale(0.95); }
  75% { transform: translate(80px, 30px) scale(1.05); }
}

.bg-grid {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px; pointer-events: none; z-index: 0;
}

.content-wrapper { position: relative; z-index: 2; }

.section { padding: var(--section-padding) 0; position: relative; }

/* ---------- Scroll Animations ---------- */
.animate-on-scroll {
  opacity: 0; transform: translateY(40px);
  transition: all 0.8s var(--ease-out);
}
.animate-on-scroll.animated { opacity: 1; transform: translateY(0); }
.animate-on-scroll.delay-1 { transition-delay: 0.1s; }
.animate-on-scroll.delay-2 { transition-delay: 0.2s; }
.animate-on-scroll.delay-3 { transition-delay: 0.3s; }
.animate-on-scroll.delay-4 { transition-delay: 0.4s; }

@keyframes fadeInUp { from{opacity:0;transform:translateY(40px)} to{opacity:1;transform:translateY(0)} }
@keyframes scaleIn { from{opacity:0;transform:scale(0.9)} to{opacity:1;transform:scale(1)} }
@keyframes pulse-glow {
  0%,100%{box-shadow:0 0 20px rgba(0,212,255,0.2)}
  50%{box-shadow:0 0 40px rgba(0,212,255,0.4),0 0 80px rgba(168,85,247,0.15)}
}
@keyframes rotate-slow { from{transform:rotate(0deg)} to{transform:rotate(360deg)} }

/* ========== NAVBAR ========== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-height);
  display: flex; align-items: center; z-index: 1000;
  transition: all 0.4s var(--ease-out); background: transparent;
}
.navbar.scrolled {
  background: rgba(10,10,15,0.85); backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }

.nav-logo { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); font-size: 1.6rem; font-weight: 800; letter-spacing: 2px; }
.nav-logo .logo-icon {
  width: 42px; height: 42px; background: var(--gradient-primary);
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; font-weight: 900; color: #fff;
  box-shadow: 0 4px 20px rgba(99,102,241,0.4);
}
.nav-logo span { background: var(--gradient-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

.nav-links { display: flex; align-items: center; gap: 36px; list-style: none; }
.nav-links a {
  font-size: 0.92rem; font-weight: 500; color: var(--text-secondary);
  position: relative; padding: 4px 0; transition: color 0.3s;
}
.nav-links a::after {
  content:''; position:absolute; bottom:-2px; left:0; width:0; height:2px;
  background: var(--gradient-primary); transition: width 0.3s var(--ease-out);
}
.nav-links a:hover, .nav-links a.active { color: var(--text-primary); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-toggle { display: none; flex-direction: column; gap: 6px; cursor: pointer; background: none; border: none; padding: 8px; }
.nav-toggle span { width: 26px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: all 0.3s; }
.nav-toggle.active span:nth-child(1){ transform:rotate(45deg) translate(5px,6px); }
.nav-toggle.active span:nth-child(2){ opacity:0; }
.nav-toggle.active span:nth-child(3){ transform:rotate(-45deg) translate(5px,-6px); }

@media(max-width:900px){
  .nav-toggle{display:flex;}
  .nav-links{
    position:fixed; top:var(--nav-height); left:0; right:0; bottom:0;
    background:rgba(10,10,15,97%); backdrop-filter:blur(30px);
    flex-direction:column; justify-content:center; align-items:center; gap:28px;
    transform:translateX(100%); transition:transform 0.4s var(--ease-out);
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links a{font-size:1.3rem;}
}

/* ========== HERO ========== */
.hero { min-height:100vh; display:flex; align-items:center; padding-top:var(--nav-height); position:relative; overflow:hidden; }
.hero-container{
  max-width:var(--container-max); margin:0 auto; padding:0 24px;
  display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center;
}
.hero-badge{
  display:inline-flex; align-items:center; gap:8px; padding:8px 20px;
  background:rgba(0,212,255,0.08); border:1px solid rgba(0,212,255,0.2);
  border-radius:100px; font-family:var(--font-mono); font-size:0.82rem; color:var(--accent-cyan);
  margin-bottom:28px; backdrop-filter:blur(10px);
  animation:fadeInUp 0.8s var(--ease-out) both;
}
.pulse-dot{width:8px;height:8px;background:var(--accent-cyan);border-radius:50%;animation:pulse-glow 2s infinite;}
.hero-title{
  font-family:var(--font-display); font-size:clamp(2.6rem,5.5vw,4.2rem);
  font-weight:800; line-height:1.1; margin-bottom:24px; letter-spacing:-0.03em;
  animation:fadeInUp 0.8s var(--ease-out) 0.15s both;
}
.hero-desc{
  font-size:1.15rem; color:var(--text-secondary); line-height:1.8;
  margin-bottom:40px; max-width:520px;
  animation:fadeInUp 0.8s var(--ease-out) 0.3s both;
}
.hero-actions{display:flex;gap:16px;margin-bottom:56px;animation:fadeInUp 0.8s var(--ease-out) 0.45s both;}
.hero-stats{display:flex;gap:48px;animation:fadeInUp 0.8s var(--ease-out) 0.6s both;}
.hero-stat-value{font-family:var(--font-display);font-size:2rem;font-weight:700;background:var(--gradient-text);-webkit-background-clip:text;-webkit-text-fill-color:transparent;}
.hero-stat-label{font-size:0.85rem;color:var(--text-muted);margin-top:4px;}

/* Hero Visual */
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;animation:scaleIn 1s var(--ease-out) 0.3s both;}

/* ---- Hero Hexagon Network Visual ---- */
.hero-hex-container{position:relative;width:480px;height:480px;}
.hex-outer-ring{
  position:absolute;top:10px;left:10px;right:10px;bottom:10px;border-radius:50%;
  border:1px dashed rgba(0,212,255,0.12);animation:rotate-slow 40s linear infinite;
}
.hex-outer-ring::before{
  content:'';position:absolute;top:20px;left:20px;right:20px;bottom:20px;border-radius:50%;
  border:1px dashed rgba(168,85,247,0.08);animation:rotate-slow 30s linear infinite reverse;
}
.hex-beams{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;}
.beam-line{animation:beam-dash 3s linear infinite;}
@keyframes beam-dash{to{stroke-dashoffset:-40;}}
.hex-core{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:100px;height:100px;display:flex;align-items:center;justify-content:center;z-index:5;
}
.hex-core-svg{width:100%;height:100%;animation:pulse-core 3s ease-in-out infinite;}
@keyframes pulse-core{0%,100%{transform:scale(1);opacity:1;}50%{transform:scale(1.08);opacity:0.85;}}
.hex-core-pulse{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:160px;height:160px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,212,255,0.08) 0%,transparent 70%);
  animation:pulse-glow 3s ease-in-out infinite;z-index:-1;
}
@keyframes pulse-glow{0%,100%{transform:translate(-50%,-50%) scale(1);opacity:1;}50%{transform:translate(-50%,-50%) scale(1.3);opacity:0.5;}}
.hex-node{
  position:absolute;display:flex;flex-direction:column;align-items:center;gap:8px;z-index:4;
  animation:node-float 5s ease-in-out infinite;
}
.hex-node-inner{
  width:56px;height:56px;border-radius:14px;
  background:rgba(18,18,26,0.95);border:1.5px solid var(--node-color);
  box-shadow:0 0 20px color-mix(in srgb,var(--node-color) 30%,transparent),0 4px 16px rgba(0,0,0,0.4);
  display:flex;align-items:center;justify-content:center;transition:all 0.4s var(--ease-out);
  backdrop-filter:blur(8px);
}
.hex-node-inner svg{width:26px;height:26px;color:var(--node-color);}
.hex-node-inner:hover{transform:scale(1.15);box-shadow:0 0 30px color-mix(in srgb,var(--node-color) 50%,transparent);}
.hex-node-label{
  font-size:0.72rem;font-weight:600;color:var(--text-secondary);white-space:nowrap;
  background:rgba(10,10,15,0.8);padding:3px 10px;border-radius:20px;border:1px solid rgba(255,255,255,0.06);
  opacity:0;transform:translateY(4px);transition:all 0.4s var(--ease-out);pointer-events:none;
}
.hex-node:hover .hex-node-label{opacity:1;transform:translateY(0);}

/* Hex node positions (radius ~170) */
.hn-1{top:0;left:50%;transform:translateX(-50%);animation-delay:0s;}      /* ScienceClaw - top */
.hn-2{top:70px;right:5px;animation-delay:-0.8s;}                         /* AI建站 - top-right */
.hn-3{bottom:70px;right:5px;animation-delay:-1.6s;}                      /* AI小程序 - bottom-right */
.hn-4{bottom:0;left:50%;transform:translateX(-50%);animation-delay:-2.4s;} /* AI SaaS - bottom */
.hn-5{bottom:70px;left:5px;animation-delay:-3.2s;}                       /* AI建模 - bottom-left */
.hn-6{top:70px;left:5px;animation-delay:-4.0s;}                          /* AI Agent - top-left */

@keyframes node-float{0%,100%{transform:translateY(0);}50%{transform:translateY(-8px);}}

/* Responsive */
@media(max-width:1024px){
  .hero-hex-container{width:340px;height:340px;}
  .hex-node-inner{width:46px;height:46px;border-radius:12px;}
  .hex-node-inner svg{width:20px;height:20px;}
  .hex-core{width:70px;height:70px;}
  .hex-core-pulse{width:120px;height:120px;}
  .hex-node-label{font-size:0.65rem;}
  .hn-2{top:50px;right:0;}
  .hn-3{bottom:50px;right:0;}
  .hn-5{bottom:50px;left:0;}
  .hn-6{top:50px;left:0;}
}
@media(max-width:640px){
  .hero-hex-container{width:280px;height:280px;}
  .hex-node-inner{width:38px;height:38px;border-radius:10px;}
  .hex-node-inner svg{width:16px;height:16px;}
  .hex-core{width:56px;height:56px;}
  .hex-core-pulse{width:90px;height:90px;}
  .hex-node-label{display:none;}
  .hn-2{top:35px;right:-5px;}
  .hn-3{bottom:35px;right:-5px;}
  .hn-5{bottom:35px;left:-5px;}
  .hn-6{top:35px;left:-5px;}
}

@media(max-width:1024px){
  .hero-container{grid-template-columns:1fr;text-align:center;gap:48px;padding-top:60px;}
  .hero-desc{margin-left:auto;margin-right:auto;}
  .hero-actions{justify-content:center;} .hero-stats{justify-content:center;}
  .hero-globe-container{width:340px;height:340px;}
  .floating-icon{width:46px;height:46px;font-size:1.2rem;}
}
@media(max-width:640px){
  .hero-stats{gap:28px;flex-wrap:wrap;}
  .hero-globe-container{width:280px;height:280px;}
}

/* ========== CORE POSITIONING ========== */
.core-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:20px;}
.core-card{
  background:var(--bg-card);border:1px solid rgba(255,255,255,0.06);border-radius:20px;
  padding:40px 32px;text-align:center;position:relative;overflow:hidden;
  transition:all 0.4s var(--ease-out);
}
.core-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--core-color,var(--accent-cyan)),transparent);
  opacity:0;transition:opacity 0.4s;
}
.core-card:hover{transform:translateY(-8px);background:var(--bg-card-hover);border-color:rgba(255,255,255,0.1);}
.core-card:hover::before{opacity:1;}

.core-icon{
  width:72px;height:72px;margin:0 auto 24px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,0.03);border-radius:18px;border:1px solid rgba(255,255,255,0.06);
  transition:all 0.4s;
}
.core-card:hover .core-icon{transform:scale(1.08);border-color:rgba(255,255,255,0.12);}
.core-icon svg{width:48px;height:48px;}

.core-title{font-family:var(--font-display);font-size:1.25rem;font-weight:700;margin-bottom:12px;color:var(--text-primary);}
.core-desc{color:var(--text-secondary);font-size:0.93rem;line-height:1.7;margin-bottom:20px;}
.core-link{display:inline-flex;align-items:center;gap:6px;font-size:0.88rem;font-weight:600;color:var(--accent-cyan);transition:gap 0.3s;}
.core-link:hover{gap:12px;}

@media(max-width:1024px){
  .core-grid{grid-template-columns:1fr;gap:24px;max-width:480px;margin-left:auto;margin-right:auto;}
}
@media(max-width:640px){
  .core-card{padding:32px 24px;}
  .core-icon{width:60px;height:60px;}
  .core-icon svg{width:40px;height:40px;}
}

/* ========== SERVICES ========== */
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:28px;}
.service-card{
  background:var(--bg-card);border:1px solid rgba(255,255,255,0.06);border-radius:24px;
  padding:44px 36px;position:relative;overflow:hidden;transition:all 0.5s var(--ease-out);cursor:default;
}
.service-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;opacity:0;transition:opacity 0.5s;}
.service-card:hover{transform:translateY(-10px);background:var(--bg-card-hover);border-color:rgba(255,255,255,0.1);box-shadow:0 20px 60px rgba(0,0,0,0.3),0 0 40px rgba(0,212,255,0.04);}
.service-card:hover::before{opacity:1;}
.sc-1::before{background:linear-gradient(90deg,#00d4ff,#6366f1);}
.sc-2::before{background:linear-gradient(90deg,#a855f7,#ec4899);}
.sc-3::before{background:linear-gradient(90deg,#6366f1,#00d4ff);}
.sc-4::before{background:linear-gradient(90deg,#ec4899,#f97316);}
.sc-5::before{background:linear-gradient(90deg,#10b981,#06b6f4);}
.sc-0::before{background:linear-gradient(90deg,#f59e0b,#f97316);border-top:3px solid #f59e0b;}

.service-icon{width:68px;height:68px;border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:1.8rem;margin-bottom:24px;}
.si-1{background:rgba(0,212,255,0.1);color:var(--accent-cyan);}
.si-2{background:rgba(168,85,247,0.1);color:var(--accent-purple);}
.si-3{background:rgba(99,102,241,0.1);color:var(--accent-blue);}
.si-4{background:rgba(236,72,153,0.1);color:var(--accent-pink);}
.si-5{background:rgba(16,185,129,0.1);color:var(--accent-green);}
.si-0{background:rgba(245,158,11,0.15);color:#f59e0b;border:2px solid rgba(245,158,11,0.3);}

.service-card h3{font-family:var(--font-display);font-size:1.3rem;font-weight:700;margin-bottom:12px;}
.service-card p{color:var(--text-secondary);font-size:0.95rem;line-height:1.7;margin-bottom:24px;}
.service-link{display:inline-flex;align-items:center;gap:8px;font-size:0.9rem;font-weight:600;color:var(--accent-cyan);transition:gap 0.3s;}
.service-link:hover{gap:14px;}

/* ========== FEATURES ========== */
.features-showcase{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.feature-terminal{
  background:rgba(18,18,26,0.95);border:1px solid rgba(255,255,255,0.08);
  border-radius:16px;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,0.4);
}
.terminal-header{display:flex;align-items:center;gap:8px;padding:14px 18px;background:rgba(0,0,0,0.3);border-bottom:1px solid rgba(255,255,255,0.05);}
.terminal-dot{width:12px;height:12px;border-radius:50%;}
.td-red{background:#ff5f57;} .td-yellow{background:#febc2e;} .td-green{background:#28c840;}
.terminal-title{flex:1;text-align:center;font-family:var(--font-mono);font-size:0.82rem;color:var(--text-muted);}
.terminal-body{padding:24px;font-family:var(--font-mono);font-size:0.84rem;line-height:1.8;color:var(--text-secondary);}

.tc{color:var(--accent-cyan);} .tp{color:var(--accent-purple);}
.tf{color:var(--text-muted);} .to{color:var(--text-muted);} .ts{color:#28c840;}
.tcursr{display:inline-block;width:8px;height:16px;background:var(--accent-cyan);animation:blink 1s step-end infinite;vertical-align:middle;margin-left:4px;}
@keyframes blink{0%,100%{opacity:1;}50%{opacity:0;}}

.feature-list{display:flex;flex-direction:column;gap:28px;}
.feature-item{display:flex;gap:20px;align-items:flex-start;padding:24px;border-radius:16px;transition:all 0.3s;border:1px solid transparent;}
.feature-item:hover{background:var(--bg-card);border-color:rgba(255,255,255,0.06);}
.feature-num{flex-shrink:0;width:44px;height:44px;border-radius:12px;background:rgba(0,212,255,0.08);border:1px solid rgba(0,212,255,0.15);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-size:0.9rem;font-weight:700;color:var(--accent-cyan);}
.feature-info h4{font-size:1.1rem;font-weight:600;margin-bottom:6px;}
.feature-info p{font-size:0.92rem;color:var(--text-secondary);line-height:1.6;}

@media(max-width:900px){.features-showcase{grid-template-columns:1fr;gap:48px;} .feature-visual{order:-1;}}

/* ========== STATS BAR ========== */
.stats-bar{background:var(--bg-secondary);border-top:1px solid rgba(255,255,255,0.05);border-bottom:1px solid rgba(255,255,255,0.05);padding:64px 0;position:relative;}
.stats-bar::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,rgba(0,212,255,0.3),rgba(168,85,247,0.3));}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;text-align:center;}
.stat-item:not(:last-child)::after{content:'';position:absolute;right:-20px;top:50%;transform:translateY(-50%);height:40px;width:1px;background:rgba(255,255,255,0.06);}
.stat-number{font-family:var(--font-display);font-size:clamp(2rem,3vw,2.8rem);font-weight:800;background:var(--gradient-text);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:8px;}
.stat-label{font-size:0.92rem;color:var(--text-secondary);}
.stat-item{position:relative;}
@media(max-width:768px){.stats-grid{grid-template-columns:repeat(2,1fr);gap:32px;} .stat-item:not(:last-child)::after{display:none;}}

/* ========== PROCESS ========== */
.process-timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.process-timeline::before{content:'';position:absolute;top:56px;left:12%;right:12%;height:1px;background:linear-gradient(90deg,var(--accent-cyan),var(--accent-blue),var(--accent-purple),var(--accent-pink));opacity:0.2;}
.process-step{text-align:center;position:relative;}
.process-step-num{width:56px;height:56px;border-radius:50%;background:var(--bg-secondary);border:2px solid rgba(255,255,255,0.1);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-family:var(--font-display);font-size:1.1rem;font-weight:700;color:var(--accent-cyan);position:relative;z-index:2;transition:all 0.4s;}
.process-step:hover .process-step-num{background:var(--gradient-primary);border-color:transparent;color:#fff;box-shadow:0 0 30px rgba(99,102,241,0.4);transform:scale(1.1);}
.process-step h4{font-size:1.05rem;font-weight:600;margin-bottom:8px;}
.process-step p{font-size:0.88rem;color:var(--text-secondary);line-height:1.6;}
@media(max-width:900px){.process-timeline{grid-template-columns:repeat(2,1fr);} .process-timeline::before{display:none;}}
@media(max-width:520px){.process-timeline{grid-template-columns:1fr;max-width:300px;margin:0 auto;}}

/* ========== CTA ========== */
.cta-section{text-align:center;padding:100px 0;position:relative;}
.cta-box{background:linear-gradient(135deg,rgba(0,212,255,0.06),rgba(168,85,247,0.08));border:1px solid rgba(255,255,255,0.08);border-radius:32px;padding:80px 48px;position:relative;overflow:hidden;}
.cta-box::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:400px;height:1px;background:var(--gradient-primary);opacity:0.5;}
.cta-title{font-family:var(--font-display);font-size:clamp(1.8rem,3.5vw,2.8rem);font-weight:800;margin-bottom:16px;}
.cta-desc{font-size:1.1rem;color:var(--text-secondary);margin-bottom:36px;max-width:540px;margin-left:auto;margin-right:auto;}

/* ========== FOOTER ========== */
.footer{background:var(--bg-secondary);border-top:1px solid rgba(255,255,255,0.05);padding:80px 0 40px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:56px;}
.footer-brand{max-width:320px;}
.footer-brand .nav-logo{margin-bottom:16px;}
.footer-brand p{color:var(--text-secondary);font-size:0.92rem;line-height:1.7;margin-bottom:20px;}
.footer-social{display:flex;gap:12px;}
.footer-social a{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.08);display:flex;align-items:center;justify-content:center;font-size:1.1rem;transition:all 0.3s;}
.footer-social a:hover{background:rgba(0,212,255,0.1);border-color:rgba(0,212,255,0.3);transform:translateY(-3px);}
.footer-col h4{font-size:0.95rem;font-weight:600;margin-bottom:20px;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:12px;}
.footer-col a{color:var(--text-secondary);font-size:0.9rem;transition:color 0.3s;}
.footer-col a:hover{color:var(--accent-cyan);}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.05);padding-top:28px;display:flex;justify-content:space-between;align-items:center;font-size:0.85rem;color:var(--text-muted);}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;} .footer-brand{grid-column:span 2;}}
@media(max-width:520px){.footer-grid{grid-template-columns:1fr;} .footer-brand{grid-column:span 1;} .footer-bottom{flex-direction:column;gap:12px;text-align:center;}}

/* ========== PAGE HEADER (inner pages) ========== */
.page-header{padding:180px 0 80px;text-align:center;position:relative;overflow:hidden;}
.page-header .section-title{font-size:clamp(2.4rem,4vw,3.5rem);margin-bottom:20px;}
.page-header .section-desc{margin:0 auto;font-size:1.1rem;}

/* ========== SERVICE DETAIL PAGE ========== */
.service-detail{padding:80px 0;}
.sd-hero{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;margin-bottom:80px;}
.sd-hero-content h1{font-family:var(--font-display);font-size:clamp(2rem,3.5vw,2.8rem);font-weight:800;margin-bottom:20px;line-height:1.2;}
.sd-hero-content>p{font-size:1.1rem;color:var(--text-secondary);line-height:1.8;margin-bottom:32px;}
.sd-feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.sd-feature-item{display:flex;align-items:center;gap:12px;padding:16px;background:var(--bg-card);border-radius:12px;border:1px solid rgba(255,255,255,0.04);}
.sd-feature-icon{width:40px;height:40px;border-radius:10px;background:rgba(0,212,255,0.1);display:flex;align-items:center;justify-content:center;color:var(--accent-cyan);font-size:1.1rem;flex-shrink:0;}
.sd-feature-item span{font-size:0.93rem;font-weight:500;}

.sd-demo-panel{max-width:480px;width:100%;background:rgba(18,18,26,0.95);border:1px solid rgba(255,255,255,0.08);border-radius:20px;overflow:hidden;box-shadow:0 24px 80px rgba(0,0,0,0.4);}
.sd-demo-preview{aspect-ratio:16/10;background:linear-gradient(135deg,rgba(0,212,255,0.08),rgba(168,85,247,0.06));display:flex;align-items:center;justify-content:center;font-size:3rem;position:relative;overflow:hidden;}
.sd-demo-bar{padding:16px 20px;display:flex;align-items:center;gap:12px;border-top:1px solid rgba(255,255,255,0.05);}
.bar-item{flex:1;height:8px;border-radius:4px;background:rgba(255,255,255,0.05);position:relative;overflow:hidden;}
.bar-fill{position:absolute;top:0;left:0;height:100%;border-radius:4px;animation:bar-grow 3s ease-in-out infinite;}
.bar-item:nth-child(1) .bar-fill{width:90%;background:var(--gradient-primary);}
.bar-item:nth-child(2) .bar-fill{width:75%;background:linear-gradient(90deg,#a855f7,#ec4899);animation-delay:0.5s;}
.bar-item:nth-child(3) .bar-fill{width:85%;background:linear-gradient(90deg,#28c840,#00d4ff);animation-delay:1s;}
@keyframes bar-grow{0%,100%{opacity:1;}50%{opacity:0.6;}}

@media(max-width:900px){.sd-hero{grid-template-columns:1fr;text-align:center;} .sd-hero-content>p{margin:0 auto;max-width:520px;} .sd-feature-grid{max-width:520px;margin:0 auto;}}

.detail-section{margin-bottom:80px;}
.capability-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;}
.capability-card{padding:32px;background:var(--bg-card);border:1px solid rgba(255,255,255,0.06);border-radius:20px;transition:all 0.4s var(--ease-out);}
.capability-card:hover{transform:translateY(-6px);border-color:rgba(255,255,255,0.1);box-shadow:0 16px 48px rgba(0,0,0,0.2);}
.capability-card .cap-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:18px;}
.capability-card h4{font-size:1.08rem;font-weight:600;margin-bottom:10px;}
.capability-card p{font-size:0.9rem;color:var(--text-secondary);line-height:1.65;}

/* Pricing */
.pricing-table{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:28px;max-width:1000px;margin:0 auto;}
.price-card{background:var(--bg-card);border:1px solid rgba(255,255,255,0.06);border-radius:24px;padding:40px 36px;position:relative;overflow:hidden;transition:all 0.4s var(--ease-out);}
.price-card.featured{border-color:rgba(0,212,255,0.3);background:rgba(0,212,255,0.03);}
.price-card.featured::before{content:'推荐';position:absolute;top:16px;right:24px;padding:4px 14px;background:var(--gradient-primary);border-radius:100px;font-size:0.78rem;font-weight:600;color:#fff;}
.price-card:hover{transform:translateY(-6px);}
.plan-name{font-family:var(--font-display);font-size:1.15rem;font-weight:700;margin-bottom:8px;}
.plan-desc{font-size:0.88rem;color:var(--text-secondary);margin-bottom:24px;}
.plan-price{font-family:var(--font-display);font-size:2.8rem;font-weight:800;margin-bottom:8px;}
.plan-price-note{font-size:0.85rem;color:var(--text-muted);margin-bottom:28px;}
.price-card ul{list-style:none;display:flex;flex-direction:column;gap:12px;margin-bottom:32px;}
.price-card li{display:flex;align-items:center;gap:10px;font-size:0.92rem;color:var(--text-secondary);}
.check{color:#28c840;font-size:1.1rem;flex-shrink:0;}

/* FAQ */
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{background:var(--bg-card);border:1px solid rgba(255,255,255,0.06);border-radius:16px;overflow:hidden;transition:all 0.3s;}
.faq-question{width:100%;padding:22px 28px;display:flex;justify-content:space-between;align-items:center;background:none;border:none;color:var(--text-primary);font-size:1rem;font-weight:600;font-family:var(--font-body);cursor:pointer;text-align:left;transition:color 0.3s;}
.faq-question:hover{color:var(--accent-cyan);}
.faq-q-icon{width:24px;height:24px;border-radius:6px;background:rgba(255,255,255,0.05);display:flex;align-items:center;justify-content:center;font-size:1.1rem;transition:all 0.3s;flex-shrink:0;}
.faq-item.open .faq-q-icon{background:rgba(0,212,255,0.15);color:var(--accent-cyan);transform:rotate(45deg);}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.4s var(--ease-out);}
.faq-answer-inner{padding:0 28px 22px;color:var(--text-secondary);font-size:0.94rem;line-height:1.75;}
.faq-item.open{border-color:rgba(0,212,255,0.15);}
.faq-item.open .faq-answer{max-height:300px;}

/* ========== AI Agent 特殊样式 ========== */
.cap-icon.si-agent{background:rgba(16,185,129,0.1);color:#10b981;}

/* ========== ABOUT PAGE ========== */
.about-intro{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;margin-bottom:100px;}
.about-img-placeholder{width:100%;aspect-ratio:4/3;background:var(--bg-card);border:1px solid rgba(255,255,255,0.06);border-radius:24px;display:flex;align-items:center;justify-content:center;font-size:4rem;position:relative;overflow:hidden;}
.about-img-placeholder::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(0,212,255,0.05),rgba(168,85,247,0.08));}
.about-values{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-bottom:80px;}
.value-card{padding:36px;background:var(--bg-card);border:1px solid rgba(255,255,255,0.06);border-radius:20px;text-align:center;transition:all 0.4s var(--ease-out);}
.value-card:hover{transform:translateY(-6px);border-color:rgba(255,255,255,0.1);}
.value-icon{font-size:2.4rem;margin-bottom:16px;}
.value-card h4{font-size:1.1rem;font-weight:600;margin-bottom:10px;}
.value-card p{font-size:0.9rem;color:var(--text-secondary);line-height:1.65;}
.team-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:28px;}
.team-card{text-align:center;padding:36px 24px;background:var(--bg-card);border:1px solid rgba(255,255,255,0.06);border-radius:20px;transition:all 0.4s var(--ease-out);}
.team-card:hover{transform:translateY(-6px);border-color:rgba(255,255,255,0.1);}
.team-avatar{width:96px;height:96px;border-radius:50%;margin:0 auto 20px;background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;font-size:2.2rem;font-family:var(--font-display);font-weight:700;color:#fff;border:2px solid rgba(255,255,255,0.1);}
.team-card h4{font-size:1.05rem;font-weight:600;margin-bottom:4px;}
.role{font-size:0.88rem;color:var(--accent-cyan);margin-bottom:12px;}
.team-card p{font-size:0.87rem;color:var(--text-secondary);line-height:1.6;}
@media(max-width:768px){.about-intro{grid-template-columns:1fr;gap:48px;} .about-values{grid-template-columns:1fr;}}

/* ========== CONTACT PAGE ========== */
.contact-layout{display:grid;grid-template-columns:1fr 1.2fr;gap:60px;align-items:start;}
.contact-info{padding:40px 0;}
.contact-info h2{font-family:var(--font-display);font-size:1.6rem;font-weight:700;margin-bottom:16px;}
.contact-info > p{color:var(--text-secondary);font-size:0.98rem;line-height:1.7;margin-bottom:32px;}
.contact-methods{display:flex;flex-direction:column;gap:20px;margin-bottom:36px;}
.contact-method{display:flex;align-items:center;gap:16px;padding:16px 20px;background:var(--bg-card);border-radius:14px;border:1px solid rgba(255,255,255,0.04);transition:all 0.3s;}
.contact-method:hover{border-color:rgba(0,212,255,0.2);}
.cm-icon{width:44px;height:44px;border-radius:12px;background:rgba(0,212,255,0.08);display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:var(--accent-cyan);flex-shrink:0;}
.cm-label{font-size:0.82rem;color:var(--text-muted);}
.cm-value{font-size:0.96rem;font-weight:500;}

.contact-form{background:var(--bg-card);border:1px solid rgba(255,255,255,0.06);border-radius:24px;padding:44px;}
.form-group{margin-bottom:24px;}
.form-group label{display:block;font-size:0.9rem;font-weight:500;margin-bottom:8px;color:var(--text-secondary);}
.form-group input,
.form-group textarea,
.form-group select{
  width:100%;padding:14px 18px;background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.08);
  border-radius:12px;color:var(--text-primary);font-family:var(--font-body);
  font-size:0.95rem;outline:none;transition:border-color 0.3s;
}
.form-group input:focus,
.form-group textarea:focus{border-color:var(--accent-cyan);}
.form-group textarea{min-height:140px;resize:vertical;}
@media(max-width:900px){.contact-layout{grid-template-columns:1fr;}}

/* ============================================
   AI Agent - 物流供应链板块专用样式
   ============================================ */

/* ---- Agent Badge ---- */
.agent-badge {
  display:inline-block;padding:6px 16px;background:linear-gradient(135deg,rgba(16,185,129,0.15),rgba(6,182,212,0.1));
  border:1px solid rgba(16,185,129,0.25);border-radius:20px;font-size:0.8rem;
  font-weight:600;color:#10b981;letter-spacing:0.5px;margin-bottom:18px;
}
.agent-hero-desc{font-size:1.05rem;line-height:1.8;color:var(--text-secondary);max-width:700px;}
.logistics-tag{
  display:inline-block;padding:3px 10px;background:rgba(16,185,129,0.08);border:1px solid rgba(16,185,129,0.15);
  border-radius:6px;font-size:0.72rem;color:#10b981;font-weight:500;
}

/* ---- 痛点冲击区 ---- */
.pain-shock-section{padding:80px 0;position:relative;}
.pain-shock-section::before{
  content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:90%;max-width:1100px;height:1px;background:linear-gradient(90deg,transparent,rgba(239,68,68,0.4),transparent);
}
.pain-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px;
}
.pain-card{
  background:var(--bg-card);border:1px solid rgba(255,255,255,0.06);border-radius:16px;
  padding:28px 24px;transition:all 0.3s ease;position:relative;overflow:hidden;
}
.pain-card:hover{border-color:rgba(239,68,68,0.3);background:var(--bg-card-hover);transform:translateY(-4px);}
.pain-card::after{
  content:'';position:absolute;top:0;left:0;width:4px;height:100%;
  background:linear-gradient(180deg,#ef4444,#f97316);
}
.pain-number{
  font-family:var(--font-display);font-size:2rem;font-weight:800;
  background:linear-gradient(135deg,#ef4444,#f97316);-webkit-background-clip:text;-webkit-text-fill-color:transparent;
  margin-bottom:8px;
}
.pain-title{font-size:1rem;font-weight:700;color:var(--text-primary);margin-bottom:12px;}
.pain-now{
  font-size:0.85rem;color:var(--text-muted);line-height:1.7;margin-bottom:10px;
  padding:10px 14px;background:rgba(239,68,68,0.06);border-radius:8px;border-left:3px solid #ef4444;
}
.pain-after{
  font-size:0.85rem;color:#10b981;line-height:1.7;
  padding:10px 14px;background:rgba(16,185,129,0.06);border-radius:8px;border-left:3px solid #10b981;
}

/* ---- Agent 业务线 ---- */
.agent-business-line{margin-bottom:36px;}
.abl-header{
  display:flex;align-items:center;gap:16px;padding:18px 22px;
  background:linear-gradient(135deg,rgba(16,185,129,0.05),rgba(6,182,212,0.03));
  border:1px solid rgba(16,185,129,0.12);border-radius:14px;margin-bottom:16px;
  flex-wrap:wrap;
}
.abl-icon{font-size:2rem;}
.abl-info h3{font-size:1.15rem;font-weight:700;color:var(--text-primary);margin-bottom:2px;}
.abl-info p{font-size:0.85rem;color:var(--text-muted);}
.abl-roi{
  margin-left:auto;font-size:0.8rem;font-weight:700;color:var(--accent-green);
  padding:4px 14px;background:rgba(16,185,129,0.1);border-radius:20px;white-space:nowrap;
}
.abl-roi-highlight{
  color:#f59e0b;background:rgba(245,158,11,0.12);
}

/* ---- Agent Mini Cards ---- */
.agent-cards-row{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px;
}
.agent-mini-card{
  background:var(--bg-card);border:1px solid rgba(255,255,255,0.06);border-radius:12px;
  padding:18px 20px;transition:all 0.3s ease;position:relative;overflow:hidden;
}
.agent-mini-card:hover{border-color:rgba(16,185,129,0.3);background:var(--bg-card-hover);transform:translateY(-2px);}
.agent-mini-card.amc-hot{
  border-color:rgba(245,158,11,0.2);
  background:linear-gradient(135deg,rgba(245,158,11,0.04),rgba(16,185,129,0.02));
}
.agent-mini-card.amc-hot:hover{border-color:rgba(245,158,11,0.5);}
.agent-mini-card.amc-hot::before{
  content:'🔥';position:absolute;top:10px;right:12px;font-size:0.9rem;
}
.agent-mini-card.amc-star::before{
  content:'⭐';position:absolute;top:10px;right:12px;font-size:0.9rem;
}
.amc-name{
  font-size:0.92rem;font-weight:700;color:var(--text-primary);margin-bottom:6px;
  padding-right:30px;
}
.amc-desc{
  font-size:0.82rem;color:var(--text-secondary);line-height:1.65;margin-bottom:10px;
}
.amc-metrics{
  display:flex;gap:8px;flex-wrap:wrap;
}
.amc-metric{
  font-size:0.75rem;padding:3px 10px;border-radius:6px;
  background:rgba(16,185,129,0.07);color:#10b981;font-weight:600;
}

/* ---- ROI Dashboard ---- */
.roi-dashboard-section{padding:70px 0;}
.roi-big-numbers{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:32px;
}
.rbn-card{
  background:var(--bg-card);border:1px solid rgba(255,255,255,0.06);border-radius:16px;
  padding:28px 24px;text-align:center;transition:all 0.3s ease;
}
.rbn-card:hover{border-color:rgba(16,185,129,0.3);transform:translateY(-3px);}
.rbn-card.rbn-highlight{
  border-color:rgba(16,185,129,0.2);
  background:linear-gradient(135deg,rgba(16,185,129,0.05),rgba(6,182,212,0.03));
}
.rbn-icon{font-size:2.2rem;margin-bottom:10px;}
.rbn-value{
  font-family:var(--font-display);font-size:clamp(1.8rem,3vw,2.4rem);font-weight:800;
  background:linear-gradient(135deg,#10b981,#06b6f4);-webkit-background-clip:text;-webkit-text-fill-color:transparent;
  line-height:1.2;margin-bottom:6px;
}
.rbn-unit{font-size:0.9rem;font-weight:500;}
.rbn-label{font-size:0.95rem;font-weight:600;color:var(--text-primary);margin-bottom:4px;}
.rbn-source{font-size:0.78rem;color:var(--text-muted);}

/* ---- Roadmap ---- */
.roadmap-section{padding:60px 0;}
.roadmap-timeline{
  display:flex;align-items:flex-start;gap:12px;margin-top:32px;flex-wrap:wrap;
  justify-content:center;
}
.roadmap-phase{
  flex:1;min-width:240px;max-width:320px;
  background:var(--bg-card);border:1px solid rgba(255,255,255,0.06);border-radius:16px;
  padding:24px 20px;transition:all 0.3s ease;text-align:left;
}
.roadmap-phase:hover{transform:translateY(-4px);}
.rp-phase1{border-top:3px solid #f59e0b;}
.rp-phase2{border-top:3px solid #10b981;}
.rp-phase3{border-top:3px solid #6366f1;}
.rp-badge{
  display:inline-block;padding:3px 12px;border-radius:6px;font-size:0.75rem;font-weight:700;
  color:#fff;background:var(--accent-green);
}
.rp-phase1 .rp-badge{background:#f59e0b;color:#000;}
.rp-phase2 .rp-badge{background:#10b981;}
.rp-phase3 .rp-badge{background:#6366f1;}
.rp-period{font-size:0.8rem;color:var(--text-muted);margin:6px 0 4px;}
.rp-title{font-size:1.1rem;font-weight:700;color:var(--text-primary);margin-bottom:10px;}
.rp-agents{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px;}
.rp-agent-tag{
  font-size:0.72rem;padding:3px 10px;border-radius:6px;
  background:rgba(99,102,241,0.08);color:var(--text-secondary);border:1px solid rgba(99,102,241,0.15);
}
.rp-agent-tag.rp-hot{
  background:rgba(245,158,11,0.1);color:#f59e0b;border-color:rgba(245,158,11,0.25);
}
.rp-agent-tag.rp-star{
  background:rgba(16,185,129,0.1);color:#10b981;border-color:rgba(16,185,129,0.25);
}
.rp-goal{font-size:0.82rem;color:var(--text-secondary);line-height:1.6;
  padding-top:10px;border-top:1px solid rgba(255,255,255,0.05);
}
.roadmap-arrow{
  font-size:1.8rem;color:var(--text-muted);padding-top:50px;flex-shrink:0;font-weight:300;
}

/* ---- Why GT2.AI ---- */
.why-gt2-section{padding:60px 0;}
.why-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:32px;
}
.why-card{
  background:var(--bg-card);border:1px solid rgba(255,255,255,0.06);border-radius:16px;
  padding:28px 22px;transition:all 0.3s ease;
}
.why-card:hover{border-color:rgba(16,185,129,0.3);transform:translateY(-3px);}
.why-num{
  font-family:var(--font-display);font-size:1.6rem;font-weight:800;
  background:linear-gradient(135deg,#10b981,#06b6f4);-webkit-background-clip:text;-webkit-text-fill-color:transparent;
  margin-bottom:10px;
}
.why-title{font-size:1rem;font-weight:700;color:var(--text-primary);margin-bottom:8px;}
.why-desc{font-size:0.85rem;color:var(--text-secondary);line-height:1.7;}

/* ---- Agent CTA ---- */
.agent-cta-section{padding:40px 0 60px;}

/* ===== Responsive for Agent Section ===== */
@media(max-width:1024px){
  .pain-grid{grid-template-columns:repeat(2,1fr);}
  .roi-big-numbers{grid-template-columns:repeat(2,1fr);}
  .why-grid{grid-template-columns:repeat(2,1fr);}
  .agent-cards-row{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));}
}
@media(max-width:640px){
  .pain-grid{grid-template-columns:1fr;}
  .roi-big-numbers{grid-template-columns:1fr;}
  .why-grid{grid-template-columns:1fr;}
  .abl-header{flex-direction:column;align-items:flex-start;gap:10px;}
  .abl-roi{margin-left:0;margin-top:4px;}
  .agent-cards-row{grid-template-columns:1fr;}
  .roadmap-timeline{flex-direction:column;align-items:center;}
  .roadmap-arrow{transform:rotate(90deg);padding:10px 0;}
  .roadmap-phase{min-width:100%;max-width:100%;}
  .pain-shock-section{padding:50px 0;}
  .roi-dashboard-section{padding:40px 0;}
  .roadmap-section{padding:40px 0;}
  .why-gt2-section{padding:40px 0;}
}

/* ========== RESPONSIVE OVERRIDES ========== */
@media(max-width:640px){.btn{padding:14px 28px;font-size:0.92rem;} .section{padding:80px 0;} .cta-box{padding:48px 24px;}}

/* ===== AI Agent Generic Styles (Services Page) ===== */

/* Agent tag (replaces logistics-tag) */
.agent-tag{
  display:inline-block;padding:4px 12px;border-radius:20px;
  font-size:0.75rem;font-weight:600;
  background:rgba(16,185,129,0.1);color:#10b981;
  border:1px solid rgba(16,185,129,0.2);
}

/* Capabilities section */
.agent-capabilities-section{padding:60px 0;}

/* Industry Solutions */
.industry-solutions-section{padding:60px 0;background:rgba(0,0,0,0.15);}
.industry-solution-block{
  background:var(--bg-card);border:1px solid rgba(255,255,255,0.06);
  border-radius:16px;padding:28px 24px;margin-bottom:28px;
  transition:all 0.3s ease;
}
.industry-solution-block:hover{border-color:rgba(16,185,129,0.3);transform:translateY(-3px);}
.isb-header{
  display:flex;align-items:center;gap:16px;margin-bottom:20px;
  flex-wrap:wrap;
}
.isb-icon{
  width:48px;height:48px;border-radius:12px;
  background:linear-gradient(135deg,rgba(16,185,129,0.12),rgba(6,182,212,0.08));
  display:flex;align-items:center;justify-content:center;
  font-size:1.5rem;flex-shrink:0;
}
.isb-info{flex:1;min-width:200px;}
.isb-info h3{font-size:1.15rem;font-weight:700;color:var(--text-primary);margin-bottom:4px;}
.isb-info p{font-size:0.85rem;color:var(--text-secondary);margin:0;}
.isb-roi{
  padding:4px 14px;border-radius:8px;font-size:0.78rem;font-weight:700;
  background:rgba(16,185,129,0.1);color:#10b981;
  white-space:nowrap;
}
.isb-agents{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));
  gap:14px;margin-bottom:16px;
}
.isb-agent-card{
  background:rgba(16,185,129,0.04);border:1px solid rgba(16,185,129,0.1);
  border-radius:12px;padding:16px 14px;
  transition:all 0.25s ease;
}
.isb-agent-card:hover{background:rgba(16,185,129,0.08);border-color:rgba(16,185,129,0.2);}
.isb-agent-name{font-size:0.88rem;font-weight:700;color:var(--accent-green);margin-bottom:6px;}
.isb-agent-desc{font-size:0.8rem;color:var(--text-secondary);line-height:1.5;margin:0;}
.isb-link{text-align:right;margin-top:8px;}
.isb-link a{color:var(--accent-green);text-decoration:none;font-size:0.88rem;font-weight:600;}
.isb-link a:hover{text-decoration:underline;}

/* ===== Responsive for Industry Solutions ===== */
@media(max-width:1024px){
  .isb-agents{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));}
}
@media(max-width:640px){
  .industry-solution-block{padding:20px 16px;}
  .isb-header{flex-direction:column;align-items:flex-start;gap:10px;}
  .isb-roi{margin-left:0;margin-top:4px;}
  .isb-agents{grid-template-columns:1fr;}
}

/* ===== Side WeChat Customer Service ===== */
.side-contact{position:fixed;right:24px;bottom:100px;z-index:9999;display:flex;flex-direction:column;align-items:flex-end;gap:12px;}
.side-contact-btn{
  width:56px;height:56px;border-radius:50%;
  background:linear-gradient(135deg,#07c160 0%,#05a350 100%);
  border:none;box-shadow:0 4px 20px rgba(7,193,96,0.35);
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  color:#fff;transition:all 0.3s var(--ease-out);position:relative;
}
.side-contact-btn:hover{transform:translateY(-4px) scale(1.05);box-shadow:0 8px 30px rgba(7,193,96,0.5);}
.side-contact-btn svg{width:28px;height:28px;}
.side-contact-tooltip{
  position:absolute;right:66px;top:50%;transform:translateY(-50%);
  background:rgba(0,0,0,0.8);color:#fff;padding:6px 12px;border-radius:8px;
  font-size:0.82rem;white-space:nowrap;opacity:0;pointer-events:none;
  transition:opacity 0.25s ease;
}
.side-contact-btn:hover .side-contact-tooltip{opacity:1;}
.side-contact-panel{
  position:absolute;bottom:70px;right:0;
  width:280px;background:var(--bg-secondary);
  border:1px solid rgba(255,255,255,0.08);border-radius:16px;
  box-shadow:0 20px 60px rgba(0,0,0,0.5);
  transform:translateY(12px) scale(0.95);opacity:0;pointer-events:none;
  transition:all 0.35s var(--ease-out);overflow:hidden;
}
.side-contact-panel.open{transform:translateY(0) scale(1);opacity:1;pointer-events:auto;}
.side-contact-header{
  display:flex;justify-content:space-between;align-items:center;
  padding:14px 18px;border-bottom:1px solid rgba(255,255,255,0.06);
}
.side-contact-header span{font-size:0.95rem;font-weight:600;color:var(--text-primary);}
.side-contact-close{
  background:none;border:none;color:var(--text-muted);font-size:1.5rem;
  cursor:pointer;line-height:1;padding:0;width:28px;height:28px;
  display:flex;align-items:center;justify-content:center;border-radius:6px;
  transition:all 0.2s ease;
}
.side-contact-close:hover{background:rgba(255,255,255,0.08);color:var(--text-primary);}
.side-contact-body{padding:20px;text-align:center;}
.side-contact-qr{width:180px;height:180px;border-radius:12px;margin-bottom:14px;object-fit:cover;}
.side-contact-hint{font-size:0.95rem;color:var(--text-primary);font-weight:500;margin-bottom:4px;}
.side-contact-subhint{font-size:0.8rem;color:var(--text-muted);margin:0;}
/* Pulse animation for button */
@keyframes sideContactPulse{
  0%{box-shadow:0 0 0 0 rgba(7,193,96,0.5);}
  70%{box-shadow:0 0 0 14px rgba(7,193,96,0);}
  100%{box-shadow:0 0 0 0 rgba(7,193,96,0);}
}
@keyframes pulse-bar{
  0%,100%{opacity:1;}
  50%{opacity:0.65;}
}
.side-contact-btn.pulse{animation:sideContactPulse 2.5s infinite;}
/* Responsive */
@media(max-width:640px){
  .side-contact{right:16px;bottom:80px;}
  .side-contact-panel{width:260px;}
  .side-contact-qr{width:160px;height:160px;}
}