*{margin:0;padding:0;box-sizing:border-box}
:root{
  --black:#080810;
  --dark:#0d0d18;
  --card:#131320;
  --card2:#1a1a2e;
  --border:#ffffff0f;
  --border2:#ffffff18;
  --orange:#ff5c1a;
  --orange2:#ff8c42;
  --cyan:#00e5ff;
  --cyan2:#00b8d9;
  --white:#ffffff;
  --gray:#9090a8;
  --gray2:#606078;
  --green:#00e676;
}
html{scroll-behavior:smooth;font-size:18px}
body{
  background:var(--black);
  color:var(--white);
  font-family:'Noto Sans SC','Space Grotesk',sans-serif;
  overflow-x:hidden;
  cursor:none;
}

/* 自定义光标 */
.cursor{
  position:fixed;width:8px;height:8px;
  background:var(--cyan);border-radius:50%;
  pointer-events:none;z-index:99999;
  transform:translate(-50%,-50%);
  transition:transform .1s,background .2s;
  mix-blend-mode:screen;
}
.cursor-ring{
  position:fixed;width:36px;height:36px;
  border:1px solid rgba(0,229,255,.4);
  border-radius:50%;pointer-events:none;z-index:99998;
  transform:translate(-50%,-50%);
  transition:transform .15s ease,width .2s,height .2s,border-color .2s;
}
.cursor.active{transform:translate(-50%,-50%) scale(2.5);background:var(--orange)}
.cursor-ring.active{width:20px;height:20px;border-color:var(--orange)}

/* 粒子画布 */
#particles-canvas{
  position:fixed;top:0;left:0;width:100%;height:100%;
  pointer-events:none;z-index:0;opacity:.5;
}

/* 进度条 */
.scroll-progress{
  position:fixed;top:0;left:0;height:2px;
  background:linear-gradient(90deg,var(--orange),var(--cyan));
  z-index:10000;width:0;transition:width .1s;
}

/* 导航 */
nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  padding:0;transition:all .4s ease;
}
.nav-inner{
  width:100%;max-width:1920px;margin:0 auto;
  padding:24px 80px;
  display:flex;align-items:center;justify-content:space-between;
  transition:padding .4s,background .4s;
}
nav.shrunk .nav-inner{
  padding:14px 80px;
  background:rgba(8,8,16,.92);
  backdrop-filter:blur(24px);
  border-bottom:1px solid var(--border2);
}
.logo{display:flex;align-items:center;gap:14px;text-decoration:none}
.logo-mark{
  width:44px;height:44px;
  background:linear-gradient(135deg,var(--orange),var(--orange2));
  clip-path:polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%);
  display:flex;align-items:center;justify-content:center;
  font-family:'Orbitron',sans-serif;font-weight:900;font-size:16px;color:#000;
  transition:transform .3s;
}
.logo:hover .logo-mark{transform:rotate(30deg)}
.logo-words{display:flex;flex-direction:column}
.logo-cn{font-size:18px;font-weight:700;letter-spacing:3px;line-height:1.1}
.logo-en{font-size:10px;letter-spacing:5px;color:var(--gray);text-transform:uppercase}
.nav-links{display:flex;gap:40px;list-style:none;align-items:center}
.nav-links a{
  color:var(--gray);font-size:15px;letter-spacing:2px;text-transform:uppercase;
  text-decoration:none;transition:color .3s;position:relative;padding-bottom:4px;
}
.nav-links a::after{
  content:'';position:absolute;bottom:0;left:0;width:0;height:1px;
  background:var(--cyan);transition:width .3s;
}
.nav-links a:hover{color:var(--white)}
.nav-links a:hover::after{width:100%}
.nav-links a.active{color:var(--white)}
.nav-links a.active::after{width:100%}
.nav-btn{
  padding:12px 32px;border:1px solid var(--orange);
  color:var(--orange);background:transparent;
  font-size:14px;letter-spacing:2px;text-transform:uppercase;
  cursor:pointer;transition:all .3s;font-family:inherit;
  text-decoration:none;
  position:relative;overflow:hidden;
}
.nav-btn::before{
  content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;
  background:var(--orange);transition:left .3s;z-index:-1;
}
.nav-btn:hover{color:#000}
.nav-btn:hover::before{left:0}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.hamburger span{width:22px;height:1.5px;background:var(--white);transition:all .3s;display:block}

/* Hero Section */
.hero{
  min-height:100vh;display:flex;align-items:center;
  position:relative;overflow:hidden;
  padding:80px 0;
}
.hero-bg-lines{
  position:absolute;inset:0;overflow:hidden;pointer-events:none;
}
.hero-bg-lines::before{
  content:'';position:absolute;
  width:800px;height:800px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,92,26,.12) 0%,transparent 70%);
  top:-200px;right:-100px;
  animation:breathe 8s ease-in-out infinite;
}
.hero-bg-lines::after{
  content:'';position:absolute;
  width:600px;height:600px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(0,229,255,.08) 0%,transparent 70%);
  bottom:-100px;left:100px;
  animation:breathe 10s ease-in-out infinite reverse;
}
@keyframes breathe{
  0%,100%{transform:scale(1);opacity:.6}
  50%{transform:scale(1.2);opacity:1}
}
.hero-content{
  width:100%;max-width:1920px;margin:0 auto;padding:0 80px;
  display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;
  position:relative;z-index:2;
}
.hero-left{}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 18px;
  border:1px solid rgba(0,229,255,.25);
  background:rgba(0,229,255,.05);
  font-size:13px;letter-spacing:4px;color:var(--cyan);text-transform:uppercase;
  margin-bottom:36px;
}
.hero-eyebrow .dot{
  width:6px;height:6px;background:var(--cyan);border-radius:50%;
  animation:blink 2s ease-in-out infinite;
}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.2}}
.hero-h1{
  font-size:clamp(56px,6vw,108px);
  font-weight:900;line-height:1.0;
  letter-spacing:-2px;margin-bottom:28px;
}
.hero-h1 em{
  display:block;font-style:normal;
  background:linear-gradient(135deg,var(--orange) 0%,var(--orange2) 40%,#ffcc00 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.hero-desc{
  font-size:22px;color:var(--gray);line-height:1.8;
  max-width:580px;margin-bottom:48px;
  font-weight:300;
}
.hero-ctas{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:64px}
.cta-main{
  display:inline-flex;align-items:center;gap:12px;
  padding:18px 48px;
  background:linear-gradient(135deg,var(--orange),var(--orange2));
  color:#000;font-size:15px;font-weight:700;letter-spacing:2px;text-transform:uppercase;
  text-decoration:none;border:none;cursor:pointer;
  transition:transform .3s,box-shadow .3s;font-family:inherit;
  clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,12px 100%,0 calc(100% - 12px));
}
.cta-main:hover{transform:translateY(-3px);box-shadow:0 12px 40px rgba(255,92,26,.4)}
.cta-ghost{
  display:inline-flex;align-items:center;gap:12px;
  padding:17px 48px;background:transparent;
  color:var(--white);font-size:15px;font-weight:500;letter-spacing:2px;text-transform:uppercase;
  text-decoration:none;border:1px solid var(--border2);cursor:pointer;
  transition:border-color .3s,color .3s;font-family:inherit;
}
.cta-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.hero-numbers{
  display:flex;gap:48px;padding-top:32px;
  border-top:1px solid var(--border);
}
.hero-num-item{}
.hero-num-val{
  font-family:'Orbitron',sans-serif;
  font-size:52px;font-weight:700;
  color:var(--cyan);line-height:1;
}
.hero-num-val sup{font-size:18px;vertical-align:super}
.hero-num-label{font-size:13px;color:var(--gray2);letter-spacing:2px;text-transform:uppercase;margin-top:8px}

/* Hero 右侧视觉 */
.hero-right{position:relative;display:flex;align-items:center;justify-content:center}
.hero-visual{
  position:relative;width:100%;max-width:520px;aspect-ratio:1;
}
.orbit{
  position:absolute;border-radius:50%;border:1px solid;
  top:50%;left:50%;transform:translate(-50%,-50%);
}
.orbit-1{
  width:100%;height:100%;
  border-color:rgba(255,92,26,.15);
  animation:orbit-rot 25s linear infinite;
}
.orbit-2{
  width:78%;height:78%;
  border-color:rgba(0,229,255,.12);
  animation:orbit-rot 18s linear infinite reverse;
}
.orbit-3{
  width:56%;height:56%;
  border-color:rgba(255,92,26,.08);
  animation:orbit-rot 12s linear infinite;
}
@keyframes orbit-rot{from{transform:translate(-50%,-50%) rotate(0)}to{transform:translate(-50%,-50%) rotate(360deg)}}
.orbit-1::before,.orbit-2::before,.orbit-3::before{
  content:'';position:absolute;top:-3px;left:50%;
  width:6px;height:6px;background:var(--orange);border-radius:50%;
  transform:translateX(-50%);
  box-shadow:0 0 12px var(--orange);
}
.orbit-2::before{background:var(--cyan);box-shadow:0 0 12px var(--cyan);top:auto;bottom:-3px}
.hero-center-box{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:44%;aspect-ratio:1;
  background:linear-gradient(135deg,#1a1a2e,#0d0d18);
  border:1px solid var(--border2);
  display:flex;align-items:center;justify-content:center;flex-direction:column;gap:8px;
  clip-path:polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%);
}
.hero-center-box .icon{font-size:40px}
.hero-center-box .label{font-size:10px;letter-spacing:3px;color:var(--gray);text-transform:uppercase}
.hero-float-tags{position:absolute;pointer-events:none}
.float-tag{
  position:absolute;padding:8px 16px;
  background:rgba(13,13,24,.9);border:1px solid var(--border2);
  font-size:11px;letter-spacing:2px;text-transform:uppercase;
  white-space:nowrap;
  animation:float-y 4s ease-in-out infinite;
}
.float-tag.t1{top:8%;left:-10%;border-left:2px solid var(--orange);color:var(--orange);animation-delay:0s}
.float-tag.t2{top:30%;right:-15%;border-left:2px solid var(--cyan);color:var(--cyan);animation-delay:1.5s}
.float-tag.t3{bottom:20%;left:-5%;border-left:2px solid var(--green);color:var(--green);animation-delay:.8s}
@keyframes float-y{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* 通用 Section */
.section{padding:140px 0;position:relative}
.section-inner{width:100%;max-width:1920px;margin:0 auto;padding:0 80px;position:relative;z-index:2}
.section-label{
  font-size:13px;letter-spacing:5px;text-transform:uppercase;color:var(--cyan);
  display:flex;align-items:center;gap:12px;margin-bottom:20px;
}
.section-label::before{content:'';width:50px;height:1px;background:var(--cyan);opacity:.5}
.section-title{
  font-size:clamp(36px,4vw,64px);font-weight:700;
  line-height:1.15;margin-bottom:24px;
}
.section-desc{font-size:20px;color:var(--gray);max-width:700px;line-height:1.8;font-weight:300}

/* Mission / Brand Story */
.mission-section{background:var(--dark)}
.mission-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:120px;align-items:start;padding-top:20px}
.mission-text{}
.mission-quote{
  font-size:clamp(26px,2.5vw,44px);font-weight:300;line-height:1.6;
  color:var(--white);margin:40px 0;
  padding-left:36px;
  border-left:3px solid var(--orange);
}
.mission-quote strong{font-weight:700;color:var(--orange)}
.mission-body{color:var(--gray);font-size:18px;line-height:1.9;font-weight:300}
.mission-body p{margin-bottom:20px}
.mission-values{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--border);margin-top:60px}
.mv-item{
  background:var(--dark);padding:40px 32px;text-align:center;
  transition:background .3s;
}
.mv-item:hover{background:var(--card2)}
.mv-icon{font-size:32px;margin-bottom:12px}
.mv-title{font-size:16px;font-weight:600;margin-bottom:10px}
.mv-desc{font-size:15px;color:var(--gray);line-height:1.7}
.mission-visual{position:sticky;top:120px}
.mission-vis-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.vis-card{
  padding:48px 36px;background:var(--card);border:1px solid var(--border);
  position:relative;overflow:hidden;
  transition:transform .4s,border-color .4s;
}
.vis-card::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(255,92,26,.05),transparent);
  opacity:0;transition:opacity .4s;
}
.vis-card:hover{transform:translateY(-6px);border-color:var(--border2)}
.vis-card:hover::before{opacity:1}
.vis-card.large{grid-column:span 2}
.vis-num{
  font-family:'Orbitron',sans-serif;
  font-size:64px;font-weight:700;color:var(--orange);line-height:1;
}
.vis-num .unit{font-size:22px;color:var(--gray2)}
.vis-label{font-size:12px;color:var(--gray);margin-top:10px;letter-spacing:2px;text-transform:uppercase}
.vis-bar{
  margin-top:16px;height:3px;background:var(--border);border-radius:2px;overflow:hidden;
}
.vis-bar-fill{height:100%;background:linear-gradient(90deg,var(--orange),var(--cyan));width:0;transition:width 1.2s ease .3s}

/* CTA */
.cta-section{
  background:linear-gradient(135deg,var(--dark) 0%,rgba(255,92,26,.08) 50%,var(--dark) 100%);
  text-align:center;padding:160px 0;
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
}
.cta-title{font-size:clamp(40px,4.5vw,72px);font-weight:700;margin-bottom:24px}
.cta-title span{color:var(--orange)}
.cta-sub{font-size:20px;color:var(--gray);margin-bottom:56px;font-weight:300}

/* Footer */
footer{
  padding:80px 0 40px;border-top:1px solid var(--border);
}
.footer-inner{width:100%;max-width:1920px;margin:0 auto;padding:0 80px}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:60px;margin-bottom:60px}
.footer-brand p{color:var(--gray2);font-size:16px;line-height:1.8;margin-top:24px;font-weight:300}
.footer-socials{display:flex;gap:12px;margin-top:24px}
.footer-social-btn{
  width:40px;height:40px;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;color:var(--gray2);cursor:pointer;
  transition:border-color .3s,color .3s;background:transparent;
}
.footer-social-btn:hover{border-color:var(--orange);color:var(--orange)}
.footer-col h5{font-size:12px;letter-spacing:3px;text-transform:uppercase;color:var(--white);margin-bottom:24px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.footer-col a{color:var(--gray2);text-decoration:none;font-size:15px;transition:color .3s}
.footer-col a:hover{color:var(--orange)}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:40px;border-top:1px solid var(--border);
  color:var(--gray2);font-size:13px;
}
.footer-bottom-links{display:flex;gap:24px}
.footer-bottom-links a{color:var(--gray2);text-decoration:none;transition:color .3s}
.footer-bottom-links a:hover{color:var(--orange)}

/* 移动端弹出菜单 */
.mobile-nav{
  display:none;position:fixed;inset:0;z-index:999;
  background:rgba(8,8,16,.97);backdrop-filter:blur(20px);
  flex-direction:column;align-items:center;justify-content:center;gap:32px;
}
.mobile-nav.open{display:flex}
.mobile-nav a{
  font-size:clamp(24px,5vw,36px);font-weight:700;letter-spacing:3px;text-transform:uppercase;
  color:var(--white);text-decoration:none;transition:color .3s;
}
.mobile-nav a:hover{color:var(--orange)}
.mobile-nav a.active{color:var(--orange)}
.mobile-close{
  position:absolute;top:24px;right:24px;
  width:48px;height:48px;border:1px solid var(--border2);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;cursor:pointer;color:var(--white);background:transparent;
}

/* 滚动动画 */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:.1s}
.reveal-delay-2{transition-delay:.2s}
.reveal-delay-3{transition-delay:.3s}
.reveal-delay-4{transition-delay:.4s}

/* 响应式 */
@media(max-width:1200px){
  .hero-content{grid-template-columns:1fr;gap:60px}
  .hero-right{display:none}
  .mission-grid{grid-template-columns:1fr;gap:60px}
  .mission-visual{position:static}
  .contact-grid{grid-template-columns:1fr;gap:48px}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-inner{padding:18px 24px}
  nav.shrunk .nav-inner{padding:12px 24px}
  .nav-links,.nav-btn{display:none}
  .hamburger{display:flex}
  .section-inner{padding:0 24px}
  .hero-content{padding:0 24px}
  .hero-h1{font-size:40px}
  .hero-numbers{gap:28px}
  .hero-num-val{font-size:30px}
  .footer-inner{padding:0 24px}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:16px;text-align:center}
  .mission-values{grid-template-columns:1fr}
}
@media(max-width:480px){
  .hero-ctas{flex-direction:column}
  .cta-main,.cta-ghost{justify-content:center}
}

/* ===== 产品页专用 ===== */

/* 产品线总览 */
.products-section{background:var(--black)}
.product-cats{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:60px}
.cat-btn{
  padding:12px 28px;border:1px solid var(--border2);
  color:var(--gray);font-size:14px;letter-spacing:2px;text-transform:uppercase;
  cursor:pointer;background:transparent;font-family:inherit;
  transition:all .3s;
}
.cat-btn.active,.cat-btn:hover{
  border-color:var(--orange);color:var(--orange);background:rgba(255,92,26,.06);
}

/* 摩托车手机支架 — 主力产品 */
.moto-section{background:var(--dark)}
.moto-intro{
  display:grid;grid-template-columns:1fr 1fr;gap:100px;
  align-items:center;margin-bottom:100px;
}
.moto-series{margin-top:20px}
.series-tabs{display:flex;gap:0;margin-bottom:48px;border-bottom:1px solid var(--border)}
.series-tab{
  padding:18px 36px;font-size:15px;letter-spacing:2px;text-transform:uppercase;
  color:var(--gray);cursor:pointer;border-bottom:2px solid transparent;
  transition:all .3s;margin-bottom:-1px;background:transparent;border-left:none;border-right:none;border-top:none;
  font-family:inherit;
}
.series-tab.active{color:var(--white);border-bottom-color:var(--orange)}
.series-tab:hover:not(.active){color:var(--gray2);border-bottom-color:var(--border2)}

.series-panel{display:none;animation:fadeUp .4s ease}
.series-panel.active{display:block}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}

/* 产品卡片网格 */
.products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border)}
.product-card{
  background:var(--card);padding:44px 36px;
  position:relative;overflow:hidden;cursor:pointer;
  transition:background .3s;
}
.product-card::after{
  content:'';position:absolute;bottom:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--orange),var(--cyan));
  transform:scaleX(0);transform-origin:left;transition:transform .4s;
}
.product-card:hover{background:var(--card2)}
.product-card:hover::after{transform:scaleX(1)}
.pc-badge{
  display:inline-block;padding:4px 10px;
  font-size:12px;letter-spacing:2px;text-transform:uppercase;
  margin-bottom:24px;
}
.pc-badge.flagship{background:rgba(255,92,26,.12);color:var(--orange);border:1px solid rgba(255,92,26,.25)}
.pc-badge.profit{background:rgba(0,229,255,.08);color:var(--cyan);border:1px solid rgba(0,229,255,.2)}
.pc-badge.main{background:rgba(0,230,118,.08);color:var(--green);border:1px solid rgba(0,230,118,.2)}
.pc-badge.lead{background:rgba(144,144,168,.08);color:var(--gray);border:1px solid var(--border2)}
.pc-icon{font-size:36px;margin-bottom:16px}
.pc-name{font-size:22px;font-weight:600;margin-bottom:10px;line-height:1.3}
.pc-price{
  font-family:'Orbitron',sans-serif;font-size:32px;font-weight:700;
  color:var(--orange);margin:16px 0;
}
.pc-price .currency{font-size:14px;vertical-align:super;color:var(--orange2)}
.pc-price .unit{font-size:13px;color:var(--gray2);font-family:'Noto Sans SC',sans-serif;font-weight:400;margin-left:4px}
.pc-variants{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.pc-variant{
  padding:5px 10px;background:var(--black);
  font-size:11px;color:var(--gray);border:1px solid var(--border);
}
/* 产品卡片真实图片 */
.pc-image{
  width:100%;
  height:180px;
  margin-bottom:16px;
  border-radius:8px;
  overflow:hidden;
  background:var(--dark);
  display:flex;
  align-items:center;
  justify-content:center;
}
.pc-image img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.product-card:hover .pc-image img{transform:scale(1.04)}

/* 全品类图片 */
.cat-img{
  width:100%;
  height:160px;
  margin-bottom:20px;
  border-radius:8px;
  overflow:hidden;
  background:var(--dark);
}
.cat-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.allcat-card:hover .cat-img img{transform:scale(1.04)}

/* Hero 背景大图 */
.hero-bg-image{
  position:absolute;top:0;left:0;
  width:100%;height:100%;
  z-index:0;
  pointer-events:none;
}
.hero-bg-image img{
  width:100%;height:100%;
  object-fit:cover;
  opacity:.25;
  filter:saturate(0.6);
}

/* 联系页背景大图 */
.contact-bg-image{
  position:absolute;top:0;left:0;
  width:100%;height:100%;
  z-index:0;
  pointer-events:none;
}
.contact-bg-image img{
  width:100%;height:100%;
  object-fit:cover;
  opacity:.2;
  filter:saturate(0.5);
}

.pc-arrow{
  position:absolute;bottom:20px;right:24px;
  width:36px;height:36px;border:1px solid var(--border2);
  display:flex;align-items:center;justify-content:center;
  color:var(--gray);font-size:16px;
  transition:all .3s;
}
.product-card:hover .pc-arrow{border-color:var(--orange);color:var(--orange);transform:translate(2px,-2px)}

/* 三重减震技术区 */
.tech-section{
  background:var(--black);
  position:relative;overflow:hidden;
}
.tech-section::before{
  content:'';position:absolute;
  width:900px;height:900px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,229,255,.04) 0%,transparent 60%);
  top:50%;left:50%;transform:translate(-50%,-50%);
  pointer-events:none;
}
.tech-header{text-align:center;margin-bottom:80px}
.tech-header .section-label{justify-content:center}
.tech-header .section-label::before{display:none}
.tech-layers{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:1px;background:var(--border);
  margin-bottom:80px;
}
.tech-layer{
  background:var(--card);padding:64px 52px;
  position:relative;overflow:hidden;
  transition:background .4s,transform .4s;
}
.tech-layer:hover{background:var(--card2);transform:translateY(-4px)}
.tl-num{
  font-family:'Orbitron',sans-serif;
  font-size:80px;font-weight:900;
  color:rgba(255,255,255,.03);
  position:absolute;top:20px;right:24px;line-height:1;
}
.tl-icon{
  width:80px;height:80px;
  background:var(--black);border:1px solid var(--border2);
  display:flex;align-items:center;justify-content:center;
  font-size:40px;margin-bottom:28px;
  clip-path:polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%);
  transition:box-shadow .3s;
}
.tech-layer:hover .tl-icon{box-shadow:0 0 30px rgba(255,92,26,.3)}
.tl-tag{
  font-size:10px;letter-spacing:3px;text-transform:uppercase;
  color:var(--orange);margin-bottom:12px;
}
.tl-name{font-size:30px;font-weight:700;margin-bottom:18px}
.tl-desc{color:var(--gray);font-size:17px;line-height:1.8;margin-bottom:32px;font-weight:300}
.tl-specs{display:flex;flex-direction:column;gap:12px}
.tl-spec{
  display:flex;justify-content:space-between;align-items:center;
  padding:10px 14px;background:var(--black);border-left:2px solid var(--border2);
  font-size:13px;
}
.tl-spec-label{color:var(--gray)}
.tl-spec-value{color:var(--cyan);font-family:'Space Grotesk',monospace;font-size:12px}

/* 频率带图示 */
.freq-section{background:var(--dark);padding:80px 0;}
.freq-inner{width:100%;max-width:1920px;margin:0 auto;padding:0 80px}
.freq-chart{
  position:relative;
  background:var(--card);border:1px solid var(--border);
  padding:60px 60px 80px;margin-top:48px;
  overflow:hidden;
}
.freq-bars{
  display:flex;align-items:flex-end;justify-content:center;
  gap:6px;height:160px;
}
.fbar{
  flex:1;max-width:60px;
  background:linear-gradient(180deg,var(--cyan),rgba(0,229,255,.1));
  border-radius:3px 3px 0 0;
  position:relative;cursor:pointer;
  transition:opacity .3s;min-width:24px;
}
.fbar:hover{opacity:.7}
.fbar .fbar-label{
  position:absolute;bottom:-32px;left:50%;transform:translateX(-50%);
  font-size:10px;color:var(--gray2);white-space:nowrap;
}
.freq-layer-labels{
  display:flex;justify-content:space-between;
  margin-top:56px;padding-top:20px;border-top:1px solid var(--border);
}
.fll-item{text-align:center}
.fll-color{
  height:3px;margin-bottom:10px;
  border-radius:2px;
}
.fll-name{font-size:12px;color:var(--gray);letter-spacing:1px}
.fll-range{font-size:11px;color:var(--gray2);margin-top:4px}

/* 全品类 */
.allcats-section{background:var(--dark)}
.allcats-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;margin-top:60px;
}
.allcat-card{
  background:var(--card);border:1px solid var(--border);
  padding:52px 44px;
  position:relative;overflow:hidden;cursor:pointer;
  transition:border-color .4s,transform .4s;
  text-decoration:none;color:inherit;display:block;
}
.allcat-card:hover{border-color:var(--border2);transform:translateY(-6px)}
.allcat-icon{font-size:44px;margin-bottom:20px;display:flex;align-items:center;justify-content:center}
.allcat-icon img{width:52px;height:52px;object-fit:cover;border-radius:10px;margin-bottom:0}
.allcat-name{font-size:26px;font-weight:600;margin-bottom:12px}
.allcat-desc{font-size:16px;color:var(--gray);line-height:1.7;margin-bottom:28px}
.allcat-products{display:flex;flex-wrap:wrap;gap:6px}
.allcat-tag{
  padding:5px 12px;background:var(--black);
  font-size:11px;color:var(--gray);border:1px solid var(--border);
}
.allcat-arrow{
  position:absolute;top:32px;right:32px;
  font-size:20px;color:var(--gray2);transition:color .3s,transform .3s;
}
.allcat-card:hover .allcat-arrow{color:var(--orange);transform:translate(4px,-4px)}

/* 适配车型 */
.bikes-section{background:var(--black)}
.bikes-scroll{
  display:flex;gap:20px;overflow-x:auto;padding-bottom:24px;
  scrollbar-width:thin;scrollbar-color:var(--border) transparent;
  margin-top:60px;
}
.bikes-scroll::-webkit-scrollbar{height:3px}
.bikes-scroll::-webkit-scrollbar-track{background:transparent}
.bikes-scroll::-webkit-scrollbar-thumb{background:var(--border2)}
.bike-chip{
  flex-shrink:0;padding:28px 36px;
  background:var(--card);border:1px solid var(--border);
  min-width:220px;cursor:pointer;
  transition:border-color .3s,background .3s;
}
.bike-chip:hover{border-color:var(--orange);background:var(--card2)}
.bike-brand{font-size:10px;letter-spacing:3px;text-transform:uppercase;color:var(--orange);margin-bottom:8px}
.bike-model{font-size:18px;font-weight:600}
.bike-status{margin-top:10px;font-size:11px;color:var(--cyan)}

@media(max-width:1200px){
  .moto-intro{grid-template-columns:1fr}
  .allcats-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .products-grid{grid-template-columns:1fr 1fr}
  .tech-layers{grid-template-columns:1fr}
  .allcats-grid{grid-template-columns:1fr}
  .freq-inner{padding:0 24px}
  .freq-chart{padding:40px 24px 60px}
}
@media(max-width:480px){
  .products-grid{grid-template-columns:1fr}
}

/* ===== 联系页专用 ===== */

/* Contact */
.contact-section{background:var(--dark)}
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:80px;align-items:start}
.contact-methods{display:flex;flex-direction:column;gap:16px;margin-top:40px}
.contact-method{
  display:flex;gap:20px;align-items:center;
  padding:20px 24px;background:var(--card);border:1px solid var(--border);
  transition:border-color .3s;cursor:pointer;
}
.contact-method:hover{border-color:var(--border2)}
.cm-icon{
  width:48px;height:48px;background:rgba(255,92,26,.1);
  display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0;
}
.cm-label{font-size:13px;letter-spacing:2px;text-transform:uppercase;color:var(--gray);margin-bottom:6px}
.cm-value{font-size:18px;font-weight:500}
.contact-form{
  background:var(--card);border:1px solid var(--border);padding:56px 60px;
}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:13px;letter-spacing:2px;text-transform:uppercase;color:var(--gray);margin-bottom:12px}
.form-group input,.form-group textarea,.form-group select{
  width:100%;padding:16px 20px;
  background:var(--black);border:1px solid var(--border);
  color:var(--white);font-size:17px;font-family:inherit;
  transition:border-color .3s;
}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{
  outline:none;border-color:var(--orange);
}
.form-group textarea{resize:vertical;min-height:140px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-submit{
  width:100%;padding:18px;
  background:linear-gradient(135deg,var(--orange),var(--orange2));
  color:#000;font-size:15px;font-weight:700;letter-spacing:2px;text-transform:uppercase;
  border:none;cursor:pointer;font-family:inherit;
  transition:opacity .3s,transform .3s;
}
.form-submit:hover{opacity:.9;transform:translateY(-2px)}

@media(max-width:768px){
  .form-row{grid-template-columns:1fr}
  .contact-form{padding:28px 24px}
}