/* ============================================
   模板 8: keji - 科技未来
   风格:深空黑+霓虹蓝紫、点阵网格、玻璃拟态
   适配:深圳、海淀、合肥、绵阳等科创城市
   ============================================ */
:root {
  --c-bg: #06080F;
  --c-bg-alt: #0E1320;
  --c-card: rgba(255,255,255,0.03);
  --c-text: #E8EAF0;
  --c-text-2: #A0A8B8;
  --c-text-3: #6B7388;
  --c-accent: #00E0FF;
  --c-accent-2: #8B5CF6;
  --c-accent-3: #FF3D8B;
  --c-border: rgba(0,224,255,0.15);
  --c-grad-1: linear-gradient(135deg, #00E0FF 0%, #8B5CF6 100%);
  --c-grad-2: linear-gradient(135deg, #8B5CF6 0%, #FF3D8B 100%);
  --c-glass: rgba(0,224,255,0.06);
  --font-body: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans CN","Noto Sans SC",-apple-system,BlinkMacSystemFont,sans-serif;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { font-size:16px; -webkit-font-smoothing:antialiased; scroll-behavior:smooth; }
body { font-family:var(--font-body); background:var(--c-bg); color:var(--c-text); line-height:1.75; overflow-x:hidden; }
a { color:inherit; text-decoration:none; }
img { max-width:100%; display:block; }
.container { max-width:1280px; margin:0 auto; padding:0 24px; }

/* Hero with tech grid */
.kj-hero { position:relative; min-height:90vh; display:flex; flex-direction:column; background:radial-gradient(ellipse 80% 50% at 50% 0%, rgba(0,224,255,0.15), transparent 60%), radial-gradient(ellipse 60% 40% at 80% 80%, rgba(139,92,246,0.15), transparent 60%), var(--c-bg); overflow:hidden; }
.kj-hero::before { content:""; position:absolute; inset:0; background-image:linear-gradient(rgba(0,224,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(0,224,255,0.04) 1px, transparent 1px); background-size:50px 50px; pointer-events:none; }
.kj-hero::after { content:""; position:absolute; top:30%; right:-10%; width:40vw; height:40vw; background:radial-gradient(circle, rgba(0,224,255,0.12), transparent 60%); filter:blur(40px); pointer-events:none; }
.kj-glow { position:absolute; bottom:20%; left:-5%; width:30vw; height:30vw; background:radial-gradient(circle, rgba(139,92,246,0.18), transparent 60%); filter:blur(40px); pointer-events:none; }
.kj-nav { padding:24px 0; position:relative; z-index:5; }
.kj-nav-inner { display:flex; justify-content:space-between; align-items:center; }
.kj-logo { display:flex; align-items:center; gap:10px; font-size:20px; font-weight:700; }
.kj-logo-ic { width:40px; height:40px; border-radius:10px; background:var(--c-grad-1); color:#06080F; display:flex; align-items:center; justify-content:center; font-weight:800; box-shadow:0 0 24px rgba(0,224,255,0.4); }
.kj-logo span.tag { font-size:14px; color:var(--c-text-2); font-weight:400; padding-left:10px; margin-left:6px; border-left:1px solid var(--c-border); }
.kj-nav-links { display:flex; gap:28px; list-style:none; font-size:14px; }
.kj-nav-links a { color:var(--c-text-2); }
.kj-nav-links a:hover, .kj-nav-links a.cta { color:var(--c-accent); }
.kj-hero-body { flex:1; display:flex; align-items:center; padding:60px 0 80px; position:relative; z-index:3; }
.kj-eyebrow { display:inline-flex; align-items:center; gap:10px; padding:6px 16px; background:var(--c-glass); border:1px solid var(--c-border); border-radius:6px; font-size:12px; color:var(--c-accent); margin-bottom:24px; font-weight:600; letter-spacing:1px; backdrop-filter:blur(10px); }
.kj-eyebrow::before { content:""; width:6px; height:6px; border-radius:50%; background:var(--c-accent); box-shadow:0 0 12px var(--c-accent); animation:pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:0.4; } }
.kj-title { font-size:clamp(36px, 5.5vw, 64px); font-weight:800; line-height:1.15; margin-bottom:24px; letter-spacing:-1px; }
.kj-title em { font-style:normal; background:var(--c-grad-1); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.kj-sub { font-size:17px; color:var(--c-text-2); max-width:760px; margin-bottom:36px; }
.kj-actions { display:flex; gap:16px; flex-wrap:wrap; }
.kj-btn { display:inline-flex; align-items:center; gap:8px; padding:14px 28px; border-radius:8px; font-size:15px; font-weight:600; transition:all .25s; cursor:pointer; }
.kj-btn-pri { background:var(--c-grad-1); color:#06080F; box-shadow:0 8px 24px rgba(0,224,255,0.3); }
.kj-btn-pri:hover { transform:translateY(-2px); box-shadow:0 14px 32px rgba(0,224,255,0.45); }
.kj-btn-ghost { background:var(--c-glass); border:1px solid var(--c-border); color:var(--c-text); backdrop-filter:blur(10px); }
.kj-stats { display:grid; grid-template-columns:repeat(4, 1fr); gap:24px; margin-top:64px; padding:28px; background:var(--c-card); border:1px solid var(--c-border); border-radius:16px; backdrop-filter:blur(20px); }
.kj-stat-num { font-size:38px; font-weight:800; background:var(--c-grad-1); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.kj-stat-num small { font-size:16px; }
.kj-stat-lbl { font-size:13px; color:var(--c-text-2); margin-top:4px; }

/* Section */
.kj-sec { padding:96px 0; position:relative; }
.kj-sec-alt { background:var(--c-bg-alt); }
.kj-head { text-align:center; margin-bottom:64px; }
.kj-eye { display:inline-block; font-size:12px; letter-spacing:3px; color:var(--c-accent); margin-bottom:12px; font-weight:700; }
.kj-h2 { font-size:clamp(28px, 3.5vw, 42px); font-weight:800; margin-bottom:16px; }
.kj-h2 em { font-style:normal; background:var(--c-grad-1); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.kj-desc { font-size:16px; color:var(--c-text-2); max-width:700px; margin:0 auto; }

/* Cards */
.kj-grid { display:grid; grid-template-columns:repeat(3, 1fr); gap:24px; }
.kj-card { background:var(--c-card); border:1px solid var(--c-border); border-radius:14px; padding:32px; transition:all .3s; backdrop-filter:blur(20px); position:relative; overflow:hidden; }
.kj-card::before { content:""; position:absolute; top:0; left:0; right:0; height:1px; background:linear-gradient(90deg, transparent, var(--c-accent), transparent); opacity:0; transition:opacity .3s; }
.kj-card:hover { transform:translateY(-4px); border-color:rgba(0,224,255,0.4); box-shadow:0 16px 40px rgba(0,224,255,0.1); }
.kj-card:hover::before { opacity:1; }
.kj-card-icon { width:52px; height:52px; border-radius:12px; background:var(--c-glass); border:1px solid var(--c-border); color:var(--c-accent); display:flex; align-items:center; justify-content:center; margin-bottom:20px; }
.kj-card h3 { font-size:20px; margin-bottom:12px; }
.kj-card p { font-size:14px; color:var(--c-text-2); }
.kj-tags { display:flex; flex-wrap:wrap; gap:6px; margin-top:16px; }
.kj-tags li { list-style:none; font-size:11px; padding:3px 10px; background:var(--c-glass); border:1px solid var(--c-border); color:var(--c-accent); border-radius:999px; }

/* Strength */
.kj-strength { display:grid; grid-template-columns:repeat(6, 1fr); gap:12px; margin-bottom:48px; }
.kj-strength-i { text-align:center; padding:28px 8px; background:var(--c-card); border:1px solid var(--c-border); border-radius:12px; backdrop-filter:blur(20px); }
.kj-strength-n { font-size:30px; font-weight:800; background:var(--c-grad-1); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.kj-strength-s { font-size:12px; color:var(--c-text-2); margin-top:4px; }
.kj-strength-l { font-size:11px; color:var(--c-text-3); margin-top:8px; }

/* Cases */
.kj-cases { display:grid; grid-template-columns:repeat(2, 1fr); gap:24px; }
.kj-case { background:var(--c-card); border:1px solid var(--c-border); border-radius:14px; overflow:hidden; transition:all .3s; }
.kj-case:hover { transform:translateY(-4px); border-color:rgba(0,224,255,0.4); }
.kj-case-cover { height:200px; position:relative; background:linear-gradient(135deg, #0E1320, #8B5CF6); }
.kj-case-cover::before { content:""; position:absolute; inset:0; background:radial-gradient(circle at top right, rgba(0,224,255,0.3), transparent 50%), repeating-linear-gradient(90deg, transparent 0, transparent 19px, rgba(0,224,255,0.1) 20px), repeating-linear-gradient(0deg, transparent 0, transparent 19px, rgba(0,224,255,0.1) 20px); }
.kj-case-tag { position:absolute; top:18px; left:18px; padding:4px 14px; background:rgba(6,8,15,0.7); border:1px solid var(--c-border); border-radius:999px; font-size:12px; color:var(--c-accent); z-index:2; font-weight:600; backdrop-filter:blur(10px); }
.kj-case-body { padding:24px; }
.kj-case h4 { font-size:18px; margin-bottom:8px; }
.kj-case p { font-size:13px; color:var(--c-text-2); }

/* FAQ */
.kj-faq { max-width:880px; margin:0 auto; }
.kj-faq-i { background:var(--c-card); border:1px solid var(--c-border); border-radius:12px; margin-bottom:12px; padding:22px 26px; backdrop-filter:blur(20px); }
.kj-faq-i summary { list-style:none; cursor:pointer; display:flex; justify-content:space-between; align-items:center; font-size:16px; font-weight:600; }
.kj-faq-i summary::-webkit-details-marker { display:none; }
.kj-faq-i p { margin-top:14px; padding-top:14px; border-top:1px solid var(--c-border); font-size:14px; color:var(--c-text-2); }
.kj-faq-i summary::after { content:"+"; font-size:22px; color:var(--c-accent); }

/* Contact */
.kj-contact { display:grid; grid-template-columns:repeat(3, 1fr); gap:20px; }
.kj-contact-i { padding:32px; background:var(--c-card); border:1px solid var(--c-border); border-radius:14px; text-align:center; backdrop-filter:blur(20px); }
.kj-contact-i .ic { width:48px; height:48px; margin:0 auto 16px; border-radius:12px; background:var(--c-grad-1); color:#06080F; display:flex; align-items:center; justify-content:center; box-shadow:0 0 24px rgba(0,224,255,0.3); }
.kj-contact-i .lb { font-size:13px; color:var(--c-text-3); }
.kj-contact-i .vl { font-size:18px; font-weight:700; margin:8px 0; }
.kj-contact-i .tp { font-size:12px; color:var(--c-text-3); }

/* Footer */
.kj-foot { background:#03050A; color:#A0A8B8; padding:64px 0 24px; border-top:1px solid var(--c-border); }
.kj-foot h4 { font-size:14px; color:var(--c-accent); margin-bottom:16px; }
.kj-foot ul { list-style:none; }
.kj-foot li { font-size:13px; color:#6B7388; margin-bottom:8px; }
.kj-foot a:hover { color:var(--c-accent); }
.kj-foot-main { display:grid; grid-template-columns:1.5fr 1fr 1fr 1fr; gap:48px; margin-bottom:48px; }
.kj-foot-brand p { font-size:13px; color:#6B7388; margin-top:12px; }
.kj-foot-cities { padding:32px 0; border-top:1px solid var(--c-border); border-bottom:1px solid var(--c-border); }
.kj-foot-cities h5 { font-size:13px; color:var(--c-accent); margin-bottom:16px; }
.kj-foot-cities-grid { display:grid; grid-template-columns:repeat(10, 1fr); gap:8px 16px; }
.kj-foot-cities-grid a { font-size:12px; color:#6B7388; }
.kj-foot-bot { padding-top:24px; text-align:center; font-size:12px; color:#4A5266; }

@media (max-width: 980px) {
  .kj-grid, .kj-cases, .kj-contact { grid-template-columns:1fr; }
  .kj-strength { grid-template-columns:repeat(2, 1fr); }
  .kj-foot-main { grid-template-columns:1fr 1fr; }
  .kj-foot-cities-grid { grid-template-columns:repeat(4, 1fr); }
  .kj-nav-links { display:none; }
  .kj-stats { grid-template-columns:repeat(2, 1fr); }
}