/* ============================================
   微点科技 — 暗黑科技炫酷风
   主色: 霓虹青 #00d4ff | 紫 #7c3aed | 底色: #06060d
   ============================================ */

/* === CSS Variables === */
:root {
  --bg-primary: #06060d;
  --bg-secondary: #0c0c1a;
  --bg-card: rgba(255,255,255,0.03);
  --bg-card-hover: rgba(255,255,255,0.06);
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(0,212,255,0.3);
  --text-primary: #e8e8f0;
  --text-secondary: #9ca3b8;
  --text-muted: #5c6378;
  --accent-cyan: #00d4ff;
  --accent-purple: #7c3aed;
  --accent-pink: #ec4899;
  --accent-glow-cyan: 0 0 20px rgba(0,212,255,0.3), 0 0 60px rgba(0,212,255,0.1);
  --accent-glow-purple: 0 0 20px rgba(124,58,237,0.3), 0 0 60px rgba(124,58,237,0.1);
  --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --radius: 1rem;
  --radius-lg: 1.5rem;
  --transition: 0.3s cubic-bezier(0.16,1,0.3,1);
}

/* === Reset & Base === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* === Animated Tech Grid Background === */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: -2;
  background:
    linear-gradient(180deg, rgba(0,212,255,0.03) 0%, transparent 30%),
    linear-gradient(180deg, transparent 60%, rgba(124,58,237,0.04) 100%),
    var(--bg-primary);
}

body::after {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: -1;
  opacity: 0.4;
  background-image:
    linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridShift 20s linear infinite;
}

@keyframes gridShift {
  0% { background-position: 0 0, 0 0; }
  100% { background-position: 60px 60px, 60px 60px; }
}

/* === Orbit Decoration === */
.orbit-ring {
  position: fixed;
  border-radius: 50%;
  border: 1px solid rgba(0,212,255,0.06);
  pointer-events: none;
  z-index: -1;
  animation: orbitSpin 30s linear infinite;
}
.orbit-ring:nth-child(1) {
  width: 800px; height: 800px;
  top: -200px; right: -300px;
  animation-direction: normal;
}
.orbit-ring:nth-child(2) {
  width: 600px; height: 600px;
  bottom: -200px; left: -200px;
  border-color: rgba(124,58,237,0.06);
  animation-direction: reverse;
  animation-duration: 25s;
}

@keyframes orbitSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* === Glow Orbs === */
.glow-orb {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
  filter: blur(120px);
  opacity: 0.15;
}
.glow-orb-cyan {
  width: 500px; height: 500px;
  top: -10%; right: -5%;
  background: var(--accent-cyan);
  animation: orbFloat 8s ease-in-out infinite alternate;
}
.glow-orb-purple {
  width: 400px; height: 400px;
  bottom: 10%; left: -5%;
  background: var(--accent-purple);
  animation: orbFloat 10s ease-in-out infinite alternate-reverse;
}

@keyframes orbFloat {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(30px, -20px) scale(1.1); }
}

a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
button{cursor:pointer;font:inherit;border:none;background:none}
h1,h2,h3,h4{line-height:1.2;font-weight:700;font-family:var(--font-heading)}
h1{font-size:clamp(2.5rem,5vw,4.5rem);letter-spacing:-0.03em}
h2{font-size:clamp(2rem,4vw,3rem);letter-spacing:-0.02em}
h3{font-size:clamp(1.25rem,2.5vw,1.75rem)}
p{margin-bottom:1rem;max-width:65ch}
.container{max-width:1280px;margin:0 auto;padding:0 1.5rem}

/* === Typography === */
.text-accent{color:var(--accent-cyan)}
.text-purple{color:var(--accent-purple)}
.text-muted{color:var(--text-secondary)}
.text-glow{
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* === Buttons === */
.btn{
  display:inline-flex;align-items:center;gap:0.5rem;
  padding:0.75rem 1.75rem;border-radius:0.75rem;
  font-weight:600;font-size:1rem;
  transition:all var(--transition);
  cursor:pointer;border:none;
  white-space:nowrap;
  position:relative;
  overflow:hidden;
}
.btn:active{transform:scale(0.98)}
.btn-primary{
  background: linear-gradient(135deg, var(--accent-cyan), #0099cc);
  color: #fff;
  box-shadow: 0 4px 20px rgba(0,212,255,0.35);
}
.btn-primary:hover{
  box-shadow: 0 6px 30px rgba(0,212,255,0.5), 0 0 60px rgba(0,212,255,0.15);
  transform:translateY(-2px);
}
.btn-primary::after{
  content:'';
  position:absolute;top:0;left:-100%;
  width:100%;height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,0.15),transparent);
  transition:left 0.5s;
}
.btn-primary:hover::after{left:100%}
.btn-outline{
  border:2px solid rgba(0,212,255,0.3);
  color:var(--accent-cyan);
  background: transparent;
}
.btn-outline:hover{
  border-color:var(--accent-cyan);
  box-shadow: var(--accent-glow-cyan);
  background: rgba(0,212,255,0.05);
}
.btn-lg{padding:1rem 2.5rem;font-size:1.125rem;border-radius:1rem}
.btn-sm{padding:0.5rem 1rem;font-size:0.875rem;border-radius:0.5rem}

/* === Navigation === */
.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(6,6,13,0.85);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(255,255,255,0.06);
  transition:all var(--transition);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:1rem 1.5rem;max-width:1280px;margin:0 auto;
}
.nav-logo{
  font-family:var(--font-heading);
  font-size:1.5rem;font-weight:800;letter-spacing:-0.02em;
  color:var(--text-primary);
}
.nav-logo span{
  background:linear-gradient(135deg,var(--accent-cyan),var(--accent-purple));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.nav-links{display:flex;gap:2rem;align-items:center}
.nav-links a{
  font-size:0.9375rem;font-weight:500;color:var(--text-secondary);
  transition:color 0.2s;position:relative;
}
.nav-links a:hover{color:var(--accent-cyan)}
.nav-links a.active{
  color:var(--accent-cyan);
}
.nav-links a.active::after{
  content:'';position:absolute;bottom:-4px;left:0;right:0;
  height:2px;background:linear-gradient(90deg,var(--accent-cyan),var(--accent-purple));
  border-radius:1px;
}
.nav-mobile-toggle{
  display:none;width:44px;height:44px;
  align-items:center;justify-content:center;
  border-radius:0.5rem;color:var(--text-secondary);
}

@media(max-width:768px){
  .nav-links{display:none;position:fixed;top:72px;left:0;right:0;
    background:rgba(6,6,13,0.95);flex-direction:column;gap:1rem;
    padding:1.5rem;border-bottom:1px solid var(--border);
    backdrop-filter:blur(20px);
  }
  .nav-links.open{display:flex}
  .nav-mobile-toggle{display:flex}
}

/* === Hero Section === */
.hero{
  padding:7rem 1.5rem 5rem;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.hero-badge{
  display:inline-block;padding:0.5rem 1.5rem;
  background:rgba(0,212,255,0.08);
  border:1px solid rgba(0,212,255,0.15);
  color:var(--accent-cyan);
  border-radius:2rem;font-size:0.875rem;font-weight:600;
  margin-bottom:1.5rem;letter-spacing:0.03em;
  animation:badgePulse 3s ease-in-out infinite;
}
@keyframes badgePulse{
  0%,100%{box-shadow:0 0 0 0 rgba(0,212,255,0.2)}
  50%{box-shadow:0 0 0 8px rgba(0,212,255,0)}
}
.hero h1{position:relative;margin-bottom:1.5rem}
.hero h1 .highlight{
  background:linear-gradient(135deg,var(--accent-cyan),var(--accent-purple),var(--accent-pink));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  animation:gradientShift 4s ease infinite;
  background-size:200% 200%;
}
@keyframes gradientShift{
  0%{background-position:0% 50%}
  50%{background-position:100% 50%}
  100%{background-position:0% 50%}
}
.hero p{
  font-size:1.25rem;color:var(--text-secondary);margin:0 auto 2.5rem;
  max-width:620px;position:relative;line-height:1.8;
}
.hero-actions{
  display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;position:relative;
}
.hero-visual{
  margin-top:4rem;
  max-width:900px;
  margin-left:auto;margin-right:auto;
  position:relative;
}
.hero-dashboard{
  width:100%;
  background:linear-gradient(135deg,rgba(255,255,255,0.03),rgba(0,212,255,0.03));
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:2rem;
  backdrop-filter:blur(10px);
  position:relative;
  overflow:hidden;
}
.hero-dashboard::before{
  content:'';
  position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:60%;height:1px;
  background:linear-gradient(90deg,transparent,var(--accent-cyan),var(--accent-purple),transparent);
}
.dash-row{
  display:flex;gap:1.5rem;flex-wrap:wrap;margin-top:1.5rem;
}
.dash-card{
  flex:1;min-width:150px;
  background:rgba(255,255,255,0.02);
  border:1px solid var(--border);
  border-radius:1rem;
  padding:1.5rem 1rem;
  text-align:center;
}
.dash-card .val{
  font-family:var(--font-heading);
  font-weight:800;font-size:1.75rem;
  background:linear-gradient(135deg,var(--accent-cyan),var(--accent-purple));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.dash-card .lbl{color:var(--text-muted);font-size:0.8125rem;margin-top:0.25rem}
.dash-chart{
  margin-top:1.5rem;
  display:flex;align-items:flex-end;gap:0.5rem;
  height:100px;padding:0 1rem;
}
.dash-bar{
  flex:1;border-radius:4px 4px 0 0;
  transition:height 0.5s ease;
}
.dash-bar:nth-child(odd){background:linear-gradient(180deg,var(--accent-cyan),transparent)}
.dash-bar:nth-child(even){background:linear-gradient(180deg,var(--accent-purple),transparent)}

@media(max-width:768px){
  .hero{padding:4rem 1.5rem 3rem}
  .hero h1{font-size:2rem}
  .hero p{font-size:1rem}
  .dash-row{flex-direction:column}
}

/* === Section === */
.section{padding:6rem 1.5rem;position:relative}
.section-label{
  text-transform:uppercase;letter-spacing:0.12em;font-size:0.8rem;
  color:var(--accent-cyan);font-weight:600;margin-bottom:1rem;
}
.section h2{margin-bottom:1rem}
.section-desc{color:var(--text-secondary);max-width:600px;margin-bottom:3rem;font-size:1.125rem}

@media(max-width:768px){
  .section{padding:3rem 1.5rem}
}

/* === Service Cards === */
.services-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;
}
.service-card{
  background:var(--bg-card);
  border-radius:var(--radius-lg);padding:2rem;
  border:1px solid var(--border);
  transition:all var(--transition);
  position:relative;
  overflow:hidden;
}
.service-card::before{
  content:'';
  position:absolute;top:0;left:0;right:0;
  height:2px;
  background:linear-gradient(90deg,transparent,var(--accent-cyan),var(--accent-purple),transparent);
  opacity:0;
  transition:opacity var(--transition);
}
.service-card:hover{
  transform:translateY(-4px);
  border-color:var(--border-hover);
  box-shadow:0 20px 40px rgba(0,0,0,0.3),0 0 80px rgba(0,212,255,0.05);
  background:var(--bg-card-hover);
}
.service-card:hover::before{opacity:1}
.service-icon{
  width:56px;height:56px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(0,212,255,0.1),rgba(124,58,237,0.1));
  border-radius:1rem;margin-bottom:1.25rem;color:var(--accent-cyan);
  border:1px solid rgba(0,212,255,0.15);
}
.service-icon svg{width:28px;height:28px}
.service-card h3{margin-bottom:0.75rem;color:var(--text-primary)}
.service-card p{color:var(--text-secondary);font-size:0.9375rem}

@media(max-width:768px){
  .services-grid{grid-template-columns:1fr}
}

/* === Stats Section === */
.stats-section{
  padding:4rem 1.5rem;
  position:relative;
}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;
  text-align:center;
}
.stat-item{
  padding:2rem 1rem;
  background:var(--bg-card);
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  transition:all var(--transition);
  position:relative;
  overflow:hidden;
}
.stat-item::after{
  content:'';
  position:absolute;
  width:80px;height:80px;
  border-radius:50%;
  background:var(--accent-cyan);
  filter:blur(60px);
  opacity:0;
  top:50%;left:50%;
  transform:translate(-50%,-50%);
  transition:opacity 0.5s;
}
.stat-item:hover::after{opacity:0.08}
.stat-item:hover{
  border-color:var(--border-hover);
  transform:translateY(-2px);
}
.stat-number{
  font-family:var(--font-heading);
  font-size:2.75rem;font-weight:800;
  background:linear-gradient(135deg,var(--accent-cyan),var(--accent-purple));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  line-height:1.2;
}
.stat-label{color:var(--text-secondary);font-size:0.9375rem;margin-top:0.5rem}
.stat-icon{color:var(--accent-cyan);opacity:0.3;margin-bottom:1rem}

@media(max-width:768px){
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:1rem}
  .stat-number{font-size:2rem}
}

/* === Case Studies === */
.cases-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:2rem;
}
.case-card{
  background:var(--bg-card);
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border);
  transition:all var(--transition);
}
.case-card:hover{
  transform:translateY(-4px);
  border-color:var(--border-hover);
  box-shadow:0 20px 50px rgba(0,0,0,0.4);
}
.case-image{
  height:220px;
  background:linear-gradient(135deg,rgba(0,212,255,0.1),rgba(124,58,237,0.1));
  display:flex;align-items:center;justify-content:center;
  position:relative;overflow:hidden;
}
.case-image::before{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 50%,rgba(6,6,13,0.6) 100%);
}
.case-image svg{width:64px;height:64px;opacity:0.4;color:var(--accent-cyan)}
.case-image .case-img-label{
  position:absolute;bottom:1rem;left:1.5rem;
  font-family:var(--font-heading);font-weight:700;font-size:1.25rem;
  color:var(--text-primary);
  text-shadow:0 2px 10px rgba(0,0,0,0.5);
}
.case-body{padding:1.75rem}
.case-body h3{margin-bottom:0.5rem}
.case-body p{color:var(--text-secondary);font-size:0.9375rem;margin-bottom:1.25rem}
.case-meta{display:flex;gap:1rem;font-size:0.8125rem;color:var(--text-muted);flex-wrap:wrap}
.case-tag{
  display:inline-block;padding:0.3rem 0.875rem;
  background:rgba(0,212,255,0.08);color:var(--accent-cyan);
  border-radius:1rem;font-size:0.75rem;font-weight:600;
  border:1px solid rgba(0,212,255,0.12);
  margin-bottom:0.75rem;
}

@media(max-width:768px){
  .cases-grid{grid-template-columns:1fr}
}

/* === CTA Section === */
.cta-section{
  background:linear-gradient(135deg,var(--bg-secondary),rgba(0,212,255,0.02));
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:5rem 1.5rem;text-align:center;
  margin:3rem 1.5rem;
  position:relative;
  overflow:hidden;
}
.cta-section::before{
  content:'';
  position:absolute;top:-50%;left:-50%;width:200%;height:200%;
  background:radial-gradient(ellipse at 30% 50%,rgba(0,212,255,0.06) 0%,transparent 50%),
             radial-gradient(ellipse at 70% 50%,rgba(124,58,237,0.06) 0%,transparent 50%);
}
.cta-section h2{color:var(--text-primary);margin-bottom:1rem;position:relative}
.cta-section p{color:var(--text-secondary);margin:0 auto 2rem;position:relative}
.cta-section .btn-primary{
  position:relative;
}

@media(max-width:768px){
  .cta-section{padding:3rem 1.5rem;margin:2rem 1rem;border-radius:1.25rem}
}

/* === Footer === */
.footer{
  background:var(--bg-secondary);
  border-top:1px solid var(--border);
  padding:5rem 1.5rem 2rem;
  position:relative;
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;
  gap:3rem;max-width:1280px;margin:0 auto;
}
.footer h4{color:var(--text-primary);margin-bottom:1.25rem;font-size:1rem}
.footer p,.footer a{font-size:0.875rem;line-height:2;color:var(--text-secondary)}
.footer a:hover{color:var(--accent-cyan)}
.footer a{transition:color 0.2s}
.footer-bottom{
  max-width:1280px;margin:3rem auto 0;padding-top:2rem;
  border-top:1px solid var(--border);
  font-size:0.8125rem;color:var(--text-muted);
}

@media(max-width:768px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:2rem}
}
@media(max-width:480px){
  .footer-grid{grid-template-columns:1fr}
}

/* === Page Header === */
.page-header{
  padding:5rem 1.5rem 2rem;text-align:center;
  position:relative;
  background:linear-gradient(180deg,rgba(0,212,255,0.04) 0%,transparent 100%);
}
.page-header h1{
  font-size:2.75rem;margin-bottom:0.75rem;
  background:linear-gradient(135deg,var(--accent-cyan),var(--accent-purple));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.page-header p{color:var(--text-secondary);max-width:500px;margin:0 auto}

/* === Blog Grid === */
.blog-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;
  padding:2rem 1.5rem 5rem;max-width:1280px;margin:0 auto;
}
.blog-card{
  background:var(--bg-card);
  border-radius:1.25rem;overflow:hidden;
  border:1px solid var(--border);
  transition:all var(--transition);
  display:block;
}
.blog-card:hover{
  transform:translateY(-4px);
  border-color:var(--border-hover);
  box-shadow:0 20px 40px rgba(0,0,0,0.3),0 0 60px rgba(0,212,255,0.05);
}
.blog-card-image{
  height:200px;
  background:linear-gradient(135deg,rgba(0,212,255,0.08),rgba(124,58,237,0.08));
  display:flex;align-items:center;justify-content:center;
  position:relative;overflow:hidden;
}
.blog-card-image img{width:100%;height:100%;object-fit:cover;display:block;}
.blog-card-image::after{
  content:'';
  position:absolute;bottom:0;left:0;right:0;
  height:60px;
  background:linear-gradient(transparent,var(--bg-card));
  pointer-events:none;
}
.blog-card-body{padding:1.5rem}
.blog-card-body h3{
  font-size:1.125rem;margin:0.5rem 0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;color:var(--text-primary);
}
.blog-card-body p{
  color:var(--text-secondary);font-size:0.875rem;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;
  overflow:hidden;margin-bottom:1rem;
}
.blog-card-meta{
  display:flex;justify-content:space-between;align-items:center;
  font-size:0.8125rem;color:var(--text-muted);
}
.blog-tag{
  padding:0.25rem 0.75rem;
  background:rgba(0,212,255,0.08);color:var(--accent-cyan);
  border-radius:1rem;font-size:0.75rem;font-weight:600;
  border:1px solid rgba(0,212,255,0.12);
}

@media(max-width:768px){
  .blog-grid{grid-template-columns:1fr}
  .page-header h1{font-size:2rem}
}

/* === Blog Post === */
.article{
  max-width:760px;margin:0 auto;padding:3rem 1.5rem 5rem;
}
.article-meta{
  display:flex;gap:1rem;align-items:center;margin-bottom:1.5rem;
  font-size:0.875rem;color:var(--text-secondary);flex-wrap:wrap;
}
.article h1{
  font-size:2.5rem;margin-bottom:1.5rem;line-height:1.3;
}
.article-intro{
  font-size:1.25rem;color:var(--text-secondary);margin-bottom:2.5rem;
  padding-bottom:2rem;border-bottom:1px solid var(--border);
  line-height:1.8;
}
.article-content{line-height:1.95}
.article-content h2{
  font-size:1.5rem;margin:2.5rem 0 1rem;color:var(--text-primary);
}
.article-content h3{
  font-size:1.2rem;margin:2rem 0 0.75rem;color:var(--text-primary);
}
.article-content p{margin-bottom:1.25rem;color:var(--text-secondary)}
.article-content ul,.article-content ol{
  margin:1rem 0 1.5rem 1.5rem;color:var(--text-secondary);
}
.article-content li{margin-bottom:0.5rem}
.article-content blockquote{
  border-left:3px solid var(--accent-cyan);padding:1rem 1.5rem;
  margin:2rem 0;background:var(--bg-card);border-radius:0 0.75rem 0.75rem 0;
  color:var(--text-secondary);font-style:italic;
  border-right:1px solid var(--border);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.article-cta{
  margin-top:3rem;padding:2rem;
  background:linear-gradient(135deg,rgba(0,212,255,0.03),rgba(124,58,237,0.03));
  border-radius:1rem;border:1px solid var(--border);
  text-align:center;
}
.article-cta h3{color:var(--text-primary);margin-bottom:1rem}

@media(max-width:768px){
  .article h1{font-size:1.75rem}
  .article-intro{font-size:1.125rem}
}

/* === Contact Page === */
.contact-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:4rem;
  max-width:1050px;margin:3rem auto 5rem;padding:0 1.5rem;
}
.contact-info h2{
  margin-bottom:1rem;
  background:linear-gradient(135deg,var(--accent-cyan),var(--accent-purple));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.contact-info p{color:var(--text-secondary);margin-bottom:2.5rem}
.contact-detail{
  display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem;
  padding:1rem 1.25rem;
  background:var(--bg-card);
  border-radius:0.75rem;
  border:1px solid var(--border);
  transition:all var(--transition);
}
.contact-detail:hover{
  border-color:var(--border-hover);
  box-shadow:var(--accent-glow-cyan);
}
.contact-detail svg{color:var(--accent-cyan);flex-shrink:0}
.contact-detail span{color:var(--text-primary);font-weight:500}
.contact-form{
  background:var(--bg-card);
  border-radius:var(--radius-lg);padding:2.5rem;
  border:1px solid var(--border);
  backdrop-filter:blur(10px);
}
.form-group{margin-bottom:1.5rem}
.form-group label{
  display:block;font-weight:600;margin-bottom:0.5rem;
  font-size:0.9375rem;color:var(--text-primary);
}
.form-group input,.form-group textarea,.form-group select{
  width:100%;padding:0.875rem 1rem;
  border:1px solid var(--border);
  border-radius:0.75rem;font:inherit;font-size:16px;
  transition:all var(--transition);
  background:rgba(255,255,255,0.03);
  color:var(--text-primary);
}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{
  outline:none;border-color:var(--accent-cyan);
  box-shadow:0 0 0 3px rgba(0,212,255,0.1),0 0 20px rgba(0,212,255,0.1);
  background:rgba(255,255,255,0.05);
}
.form-group textarea{resize:vertical;min-height:130px}
.form-group select option{background:var(--bg-secondary);color:var(--text-primary)}
.form-group select{appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2300d4ff' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 1rem center;
  padding-right:2.5rem;
}

@media(max-width:768px){
  .contact-grid{grid-template-columns:1fr;gap:2rem}
  .contact-form{padding:1.5rem}
}

/* === Breadcrumb === */
.breadcrumb{
  display:flex;gap:0.5rem;align-items:center;
  font-size:0.875rem;color:var(--text-muted);margin-bottom:1rem;
}
.breadcrumb a{color:var(--text-secondary)}
.breadcrumb a:hover{color:var(--accent-cyan)}
.breadcrumb span{color:var(--text-primary)}

/* === Skeleton Loading === */
.skeleton{
  background:linear-gradient(90deg,rgba(255,255,255,0.03) 25%,rgba(255,255,255,0.06) 50%,rgba(255,255,255,0.03) 75%);
  background-size:200% 100%;animation:skeleton-loading 1.5s infinite;
  border-radius:0.5rem;
}
@keyframes skeleton-loading{
  0%{background-position:200% 0}100%{background-position:-200% 0}
}

/* === Empty State === */
.empty-state{
  text-align:center;padding:4rem 2rem;color:var(--text-muted);
}
.empty-state svg{margin-bottom:1rem;opacity:0.3}

/* === Toast Notification === */
.toast{
  position:fixed;bottom:2rem;left:50%;transform:translateX(-50%);
  background:rgba(0,0,0,0.9);
  border:1px solid rgba(0,212,255,0.3);
  color:var(--text-primary);
  padding:0.75rem 1.5rem;
  border-radius:0.75rem;
  font-size:0.875rem;
  z-index:200;
  opacity:0;
  pointer-events:none;
  transition:opacity 0.3s;
  backdrop-filter:blur(10px);
}
.toast.show{opacity:1}
.toast.success{border-color:rgba(0,212,255,0.5);color:var(--accent-cyan)}

/* === Animations === */
@media(prefers-reduced-motion:no-preference){
  .fade-in{
    opacity:0;transform:translateY(20px);
    animation:fadeInUp 0.6s cubic-bezier(0.16,1,0.3,1) forwards;
  }
  .fade-in:nth-child(2){animation-delay:0.1s}
  .fade-in:nth-child(3){animation-delay:0.2s}
  .fade-in:nth-child(4){animation-delay:0.3s}
}
@keyframes fadeInUp{
  to{opacity:1;transform:translateY(0)}
}

/* === Floating particles (decorative) === */
.particle{
  position:fixed;pointer-events:none;z-index:-1;
  border-radius:50%;
  animation:floatUp linear infinite;
  opacity:0;
}
@keyframes floatUp{
  0%{opacity:0;transform:translateY(100vh) scale(0)}
  10%{opacity:0.3}
  90%{opacity:0.3}
  100%{opacity:0;transform:translateY(-10vh) scale(1)}
}

/* === Print === */
@media print{
  .nav,.footer,.cta-section,button,body::before,body::after,.orbit-ring,.glow-orb,.particle{display:none!important}
  body{background:#fff;color:#000}
}

/* === Tech Line Divider === */
.tech-divider{
  display:flex;align-items:center;gap:1rem;margin:2rem 0;
  color:var(--text-muted);font-size:0.8125rem;
  text-transform:uppercase;letter-spacing:0.12em;
}
.tech-divider::before,.tech-divider::after{
  content:'';flex:1;height:1px;
  background:linear-gradient(90deg,transparent,var(--border),transparent);
}

/* === Today Share Page === */
.today-hero{
  max-width:1280px;margin:0 auto;padding:3rem 1.5rem 2rem;
}
.today-hero .hero-badge{
  margin-bottom:1rem;
}
.today-hero h1{
  font-size:clamp(2rem,5vw,3.5rem);
  margin-bottom:1rem;
  line-height:1.15;
}
.today-hero p{
  color:var(--text-secondary);font-size:1.125rem;
  max-width:640px;line-height:1.8;
}
.today-meta{
  display:flex;gap:1rem;align-items:center;flex-wrap:wrap;
  margin-top:1.5rem;color:var(--text-muted);font-size:0.875rem;
}
.today-featured{
  max-width:1280px;margin:0 auto 4rem;padding:0 1.5rem;
}
.featured-card{
  display:grid;grid-template-columns:1.1fr 0.9fr;gap:2rem;
  background:linear-gradient(135deg,rgba(0,212,255,0.04),rgba(124,58,237,0.04));
  border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;transition:all var(--transition);
}
.featured-card:hover{
  border-color:var(--border-hover);
  box-shadow:0 20px 60px rgba(0,0,0,0.4),0 0 80px rgba(0,212,255,0.06);
}
.featured-card-image{
  min-height:280px;
  background:linear-gradient(135deg,rgba(0,212,255,0.08),rgba(124,58,237,0.12));
  display:flex;align-items:center;justify-content:center;
  position:relative;overflow:hidden;
}
.featured-card-image img{width:100%;height:100%;object-fit:cover;position:absolute;top:0;left:0;}
.featured-card-image svg{color:var(--accent-cyan);opacity:0.3;z-index:1}
.featured-card-image::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,transparent 40%,rgba(0,212,255,0.05));
  pointer-events:none;
}
.featured-card-body{
  padding:2.5rem;display:flex;flex-direction:column;justify-content:center;
}
.featured-card-body .today-tag{
  align-self:flex-start;margin-bottom:1rem;
}
.featured-card-body h2{
  font-size:1.75rem;margin-bottom:1rem;line-height:1.3;
}
.featured-card-body p{
  color:var(--text-secondary);line-height:1.8;margin-bottom:1.5rem;
}
.keyword-cloud{
  display:flex;flex-wrap:wrap;gap:0.5rem;margin-top:1.5rem;
}
.keyword-tag{
  padding:0.375rem 0.875rem;
  background:rgba(124,58,237,0.08);
  border:1px solid rgba(124,58,237,0.2);
  color:var(--accent-purple);
  border-radius:2rem;font-size:0.8125rem;font-weight:500;
}
.keyword-tag.cyan{
  background:rgba(0,212,255,0.08);
  border-color:rgba(0,212,255,0.2);
  color:var(--accent-cyan);
}
.today-section{
  max-width:1280px;margin:0 auto;padding:0 1.5rem 5rem;
}
.today-filters{
  display:flex;gap:0.75rem;flex-wrap:wrap;margin-bottom:2rem;
}
.filter-btn{
  padding:0.5rem 1rem;
  background:var(--bg-card);border:1px solid var(--border);
  color:var(--text-secondary);border-radius:2rem;
  font-size:0.875rem;font-weight:500;cursor:pointer;
  transition:all var(--transition);
}
.filter-btn:hover,.filter-btn.active{
  background:rgba(0,212,255,0.1);border-color:var(--accent-cyan);
  color:var(--accent-cyan);
}
.today-list{
  display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;
}
.today-list .blog-card{display:flex;flex-direction:column;}
.today-empty{
  grid-column:1 / -1;text-align:center;padding:4rem 2rem;
  color:var(--text-muted);
}
@media(max-width:768px){
  .featured-card{grid-template-columns:1fr;}
  .featured-card-image{min-height:180px;}
  .today-list{grid-template-columns:1fr;}
}

/* === QR Contact Card === */
.qr-card{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:2.5rem;text-align:center;
  backdrop-filter:blur(10px);transition:all var(--transition);
}
.qr-card:hover{
  border-color:var(--border-hover);
  box-shadow:0 20px 40px rgba(0,0,0,0.3),0 0 60px rgba(0,212,255,0.05);
}
.qr-card img{
  max-width:260px;margin:0 auto 1.5rem;border-radius:1rem;
  border:1px solid var(--border);
  box-shadow:0 10px 30px rgba(0,0,0,0.3);
}
.qr-card h3{margin-bottom:0.5rem}
.qr-card p{color:var(--text-secondary);margin-bottom:1.5rem}
.qr-badge{
  display:inline-flex;align-items:center;gap:0.5rem;
  padding:0.5rem 1rem;background:rgba(0,212,255,0.08);
  border:1px solid rgba(0,212,255,0.15);color:var(--accent-cyan);
  border-radius:2rem;font-size:0.875rem;font-weight:600;
}

/* === Blog Refresh === */
.blog-hero{
  max-width:1280px;margin:0 auto;padding:3rem 1.5rem 2rem;
}
.blog-hero h1{font-size:clamp(2rem,5vw,3.5rem);margin-bottom:1rem}
.blog-hero p{color:var(--text-secondary);font-size:1.125rem;max-width:640px}
.blog-featured{
  max-width:1280px;margin:0 auto 3rem;padding:0 1.5rem;
}
.blog-toolbar{
  max-width:1280px;margin:0 auto 2rem;padding:0 1.5rem;
  display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;
}
.blog-toolbar h3{font-size:1.125rem;color:var(--text-primary)}
.rss-link{
  display:inline-flex;align-items:center;gap:0.5rem;
  color:var(--text-muted);font-size:0.875rem;
  transition:color 0.2s;
}
.rss-link:hover{color:var(--accent-cyan)}

/* === Nav highlight for new page === */
.nav-links a .nav-new{
  font-size:0.625rem;padding:0.125rem 0.375rem;
  background:rgba(0,212,255,0.15);color:var(--accent-cyan);
  border-radius:1rem;margin-left:0.25rem;vertical-align:middle;
}

/* === FAQ 折叠区（SEO 核心） === */
.faq-section{background:transparent}
.faq-list{margin-top:32px;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:var(--transition)}
.faq-item[open]{border-color:var(--border-hover)}
.faq-item summary{cursor:pointer;padding:18px 22px;font-weight:600;font-size:16px;list-style:none;display:flex;justify-content:space-between;align-items:center;color:var(--text-primary)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';font-size:24px;color:var(--accent-cyan);font-weight:400;line-height:1}
.faq-item[open] summary::after{content:'\2212'}
.faq-answer{padding:0 22px 20px;color:var(--text-secondary);line-height:1.9;font-size:15px}
.faq-answer p{margin:0 0 10px}
.faq-answer p:last-child{margin-bottom:0}

/* === 深度解读段落 === */
.deep-block{background:rgba(0,212,255,0.03);border:1px solid rgba(0,212,255,0.12);border-radius:var(--radius-lg);padding:32px;margin-top:32px}
.deep-block p{color:var(--text-secondary);line-height:2;font-size:15.5px;margin:0 0 14px}
.deep-block p:last-child{margin-bottom:0}
.deep-block strong{color:var(--accent-cyan);font-weight:600}