@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;700&family=Orbitron:wght@400;500;600;700;800;900&display=swap');

*{margin:0;padding:0;box-sizing:border-box}
:root{
    --bg-primary:#060a12;
    --bg-secondary:#0c1220;
    --bg-card:rgba(12,18,32,0.85);
    --bg-glass:rgba(255,255,255,0.02);
    --border-glow:rgba(56,189,248,0.12);
    --border-bright:rgba(56,189,248,0.3);
    --cyan:#38bdf8;
    --cyan-dim:#0ea5e9;
    --cyan-glow:rgba(56,189,248,0.5);
    --purple:#a855f7;
    --purple-glow:rgba(168,85,247,0.4);
    --green:#22c55e;
    --green-glow:rgba(34,197,94,0.4);
    --orange:#f97316;
    --red:#ef4444;
    --geely-blue:#0055d4;
    --geely-glow:rgba(0,85,212,0.4);
    --text-primary:#f1f5f9;
    --text-secondary:#94a3b8;
    --text-muted:#475569;
    --gradient-main:linear-gradient(135deg,#0ea5e9,#a855f7);
    --gradient-geely:linear-gradient(135deg,#0055d4,#38bdf8);
}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden}
a{text-decoration:none;color:inherit}
.mono{font-family:'JetBrains Mono',monospace}
.orbitron{font-family:'Orbitron',sans-serif}

/* 全局网格背景 */
body::before{
    content:'';position:fixed;top:0;left:0;width:100%;height:100%;
    background-image:
        linear-gradient(rgba(56,189,248,0.03) 1px,transparent 1px),
        linear-gradient(90deg,rgba(56,189,248,0.03) 1px,transparent 1px);
    background-size:60px 60px;z-index:0;pointer-events:none;
}
body::after{
    content:'';position:fixed;top:0;left:0;width:100%;height:100%;
    background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(56,189,248,0.008) 2px,rgba(56,189,248,0.008) 4px);
    z-index:0;pointer-events:none;animation:scanline 8s linear infinite;
}
@keyframes scanline{0%{transform:translateY(0)}100%{transform:translateY(4px)}}

#particles{position:fixed;top:0;left:0;width:100%;height:100%;z-index:0;pointer-events:none}

/* 导航 */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:16px 0;transition:all .3s}
.nav.scrolled{background:rgba(6,10,18,0.92);backdrop-filter:blur(24px);border-bottom:1px solid var(--border-glow);padding:10px 0}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:12px}
.logo-mark{width:42px;height:42px;border-radius:10px;background:var(--gradient-geely);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:18px;color:#fff;box-shadow:0 0 24px var(--geely-glow),0 0 48px rgba(0,85,212,0.2);animation:logo-pulse 3s ease-in-out infinite}
@keyframes logo-pulse{0%,100%{box-shadow:0 0 24px var(--geely-glow),0 0 48px rgba(0,85,212,0.2)}50%{box-shadow:0 0 32px var(--geely-glow),0 0 64px rgba(0,85,212,0.3)}}
.logo-text{font-size:20px;font-weight:700;background:var(--gradient-geely);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.logo-text span{font-size:11px;font-weight:400;-webkit-text-fill-color:var(--text-muted);display:block;margin-top:-2px;font-family:'Orbitron',sans-serif;letter-spacing:2px}
.nav-links{display:flex;gap:4px;list-style:none;align-items:center}
.nav-links>li{position:relative}
.nav-links>li>a{font-size:14px;color:var(--text-secondary);font-weight:500;transition:all .3s;position:relative;padding:8px 14px;border-radius:8px;display:block}
.nav-links>li>a:hover,.nav-links>li>a.active{color:var(--cyan);text-shadow:0 0 12px var(--cyan-glow);background:rgba(56,189,248,0.05)}
.nav-links>li>a.active::after{content:'';position:absolute;bottom:2px;left:14px;right:14px;height:2px;background:var(--cyan);box-shadow:0 0 8px var(--cyan-glow);border-radius:1px}
/* 下拉菜单 */
.nav-dropdown{display:none;position:absolute;top:100%;left:0;min-width:200px;background:rgba(12,18,32,0.98);border:1px solid var(--border-glow);border-radius:10px;padding:8px;backdrop-filter:blur(20px);box-shadow:0 12px 40px rgba(0,0,0,0.4);z-index:100}
.nav-links>li:hover .nav-dropdown{display:block}
.nav-dropdown a{display:block;padding:10px 14px;font-size:13px;color:var(--text-secondary);border-radius:6px;transition:all .2s}
.nav-dropdown a:hover{color:var(--cyan);background:rgba(56,189,248,0.08)}
.nav-cta{background:var(--gradient-geely);color:#fff;padding:8px 22px;border-radius:8px;font-size:13px;font-weight:600;transition:all .3s;box-shadow:0 0 20px var(--geely-glow)}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 0 32px var(--geely-glow)}
.mobile-toggle{display:none;color:var(--text-primary);font-size:24px;cursor:pointer}

/* Hero */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;padding:120px 24px 80px;z-index:1}
.hero-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;width:100%}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(0,85,212,0.08);border:1px solid rgba(0,85,212,0.2);border-radius:100px;padding:6px 20px 6px 8px;font-size:13px;color:var(--cyan);margin-bottom:32px;backdrop-filter:blur(10px)}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green-glow);animation:pulse-dot 2s infinite}
@keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:.4}}
.hero h1{font-size:clamp(36px,5vw,64px);font-weight:800;line-height:1.1;margin-bottom:24px;letter-spacing:-1px}
.hero h1 .gradient{background:var(--gradient-geely);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero p{font-size:17px;color:var(--text-secondary);max-width:500px;margin-bottom:40px;line-height:1.8}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.btn{padding:14px 32px;border-radius:12px;font-size:15px;font-weight:600;transition:all .3s;cursor:pointer;border:none;display:inline-flex;align-items:center;gap:8px}
.btn-primary{background:var(--gradient-geely);color:#fff;box-shadow:0 0 30px var(--geely-glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 48px var(--geely-glow)}
.btn-ghost{background:transparent;color:var(--text-primary);border:1px solid var(--border-glow)}
.btn-ghost:hover{border-color:var(--cyan);background:rgba(56,189,248,0.05);box-shadow:0 0 20px rgba(56,189,248,0.1)}
.btn-sm{padding:10px 22px;font-size:13px;border-radius:8px}

/* Hero右侧 - 车机仪表盘 */
.hero-dashboard{
    position:relative;width:100%;max-width:480px;aspect-ratio:16/9;
    background:linear-gradient(135deg,rgba(12,18,32,0.9),rgba(6,10,18,0.95));
    border:1px solid var(--border-bright);border-radius:20px;
    box-shadow:0 0 40px rgba(0,85,212,0.15),inset 0 0 60px rgba(0,85,212,0.05);
    overflow:hidden;
}
.hero-dashboard::before{content:'ECARX';position:absolute;top:12px;left:20px;font-family:'Orbitron',sans-serif;font-size:10px;letter-spacing:4px;color:rgba(56,189,248,0.3)}
.hero-dashboard::after{content:'GEELY';position:absolute;top:12px;right:20px;font-family:'Orbitron',sans-serif;font-size:10px;letter-spacing:4px;color:rgba(0,85,212,0.3)}
.hud-container{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:85%;height:75%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px}
.hud-speed{font-family:'Orbitron',sans-serif;font-size:72px;font-weight:900;background:var(--gradient-geely);-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1;text-shadow:0 0 40px var(--geely-glow)}
.hud-unit{font-family:'Orbitron',sans-serif;font-size:12px;color:rgba(56,189,248,0.5);letter-spacing:6px}
.hud-bar{width:80%;height:4px;background:rgba(56,189,248,0.1);border-radius:2px;margin-top:8px;overflow:hidden;position:relative}
.hud-bar-fill{height:100%;background:var(--gradient-geely);border-radius:2px;animation:bar-fill 3s ease-in-out infinite alternate;box-shadow:0 0 12px var(--cyan-glow)}
@keyframes bar-fill{0%{width:30%}100%{width:85%}}
.hud-info{display:flex;gap:24px;margin-top:8px}
.hud-item{text-align:center}
.hud-item-val{font-family:'Orbitron',sans-serif;font-size:16px;font-weight:700;color:var(--cyan)}
.hud-item-label{font-size:9px;color:var(--text-muted);letter-spacing:2px;font-family:'Orbitron',sans-serif}
.corner-deco{position:absolute;width:20px;height:20px;border-color:rgba(0,85,212,0.3);border-style:solid;border-width:0}
.corner-deco.tl{top:8px;left:8px;border-top-width:1px;border-left-width:1px;border-radius:2px 0 0 0}
.corner-deco.tr{top:8px;right:8px;border-top-width:1px;border-right-width:1px;border-radius:0 2px 0 0}
.corner-deco.bl{bottom:8px;left:8px;border-bottom-width:1px;border-left-width:1px;border-radius:0 0 0 2px}
.corner-deco.br{bottom:8px;right:8px;border-bottom-width:1px;border-right-width:1px;border-radius:0 0 2px 0}
.gauge-svg{position:absolute;bottom:0;left:50%;transform:translateX(-50%);opacity:0.3}
.turn-signals{position:absolute;bottom:16px;display:flex;gap:40px}
.turn-signal{width:16px;height:16px;border-radius:3px;background:rgba(34,197,94,0.15);border:1px solid rgba(34,197,94,0.3);transition:all .3s}
.turn-signal.active{background:rgba(34,197,94,0.6);box-shadow:0 0 12px var(--green-glow)}
.turn-signal.left.active{animation:blink-left 1s infinite}
.turn-signal.right.active{animation:blink-right 1s infinite 0.5s}
@keyframes blink-left{0%,100%{opacity:1}50%{opacity:0.2}}
@keyframes blink-right{0%,100%{opacity:1}50%{opacity:0.2}}

/* 数据条 */
.stats-bar{position:relative;z-index:1;border-top:1px solid var(--border-glow);border-bottom:1px solid var(--border-glow);background:rgba(0,85,212,0.03);backdrop-filter:blur(20px)}
.stats-inner{max-width:1000px;margin:0 auto;padding:36px 24px;display:flex;justify-content:center;gap:48px;flex-wrap:wrap}
.stat{text-align:center;position:relative}
.stat-gauge{width:80px;height:80px;margin:0 auto 8px;position:relative}
.stat-gauge svg{width:100%;height:100%;transform:rotate(-90deg)}
.stat-gauge circle{fill:none;stroke-width:3;stroke-linecap:round}
.stat-gauge .bg{stroke:rgba(56,189,248,0.08)}
.stat-gauge .fg{stroke:url(#gaugeGrad);stroke-dasharray:220;animation:gauge-draw 2s ease-out forwards}
@keyframes gauge-draw{from{stroke-dashoffset:220}to{stroke-dashoffset:44}}
.stat-gauge .val{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-family:'Orbitron',sans-serif;font-size:16px;font-weight:700;color:var(--cyan)}
.stat-label{font-size:11px;color:var(--text-muted);letter-spacing:2px;font-family:'Orbitron',sans-serif;text-transform:uppercase}

/* 通用Section */
section{padding:100px 24px;position:relative;z-index:1}
.container{max-width:1200px;margin:0 auto}
.section-label{font-size:12px;font-weight:600;color:var(--cyan);text-transform:uppercase;letter-spacing:4px;margin-bottom:12px;font-family:'Orbitron',sans-serif}
.section-title{font-size:clamp(28px,4vw,42px);font-weight:800;margin-bottom:16px;letter-spacing:-0.5px}
.section-desc{color:var(--text-secondary);font-size:16px;max-width:560px}

/* 面包屑 */
.breadcrumb{position:relative;z-index:1;padding:100px 24px 0;max-width:1200px;margin:0 auto;font-size:13px;color:var(--text-muted)}
.breadcrumb a{color:var(--text-secondary);transition:color .2s}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb .sep{margin:0 8px;color:var(--text-muted)}

/* 产品网格 */
.products-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:24px;margin-top:48px}
.product-card{background:var(--bg-card);border:1px solid var(--border-glow);border-radius:16px;overflow:hidden;transition:all .4s;position:relative;backdrop-filter:blur(10px)}
.product-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-geely);opacity:0;transition:opacity .4s}
.product-card:hover{transform:translateY(-6px);border-color:rgba(0,85,212,0.4);box-shadow:0 12px 48px rgba(0,85,212,0.15),0 0 0 1px rgba(0,85,212,0.2)}
.product-card:hover::before{opacity:1}
.product-header{padding:28px 28px 0;display:flex;align-items:flex-start;justify-content:space-between}
.product-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:28px}
.product-icon.e01{background:rgba(56,189,248,0.1);border:1px solid rgba(56,189,248,0.2)}
.product-icon.e02{background:rgba(168,85,247,0.1);border:1px solid rgba(168,85,247,0.2)}
.product-icon.phone{background:rgba(34,197,94,0.1);border:1px solid rgba(34,197,94,0.2)}
.product-icon.pc{background:rgba(249,115,22,0.1);border:1px solid rgba(249,115,22,0.2)}
.product-icon.tool{background:rgba(239,68,68,0.1);border:1px solid rgba(239,68,68,0.2)}
.product-icon.sys{background:rgba(0,85,212,0.1);border:1px solid rgba(0,85,212,0.2)}
.product-tag{font-size:11px;font-weight:600;padding:4px 10px;border-radius:6px;text-transform:uppercase;letter-spacing:0.5px;font-family:'Orbitron',sans-serif}
.product-tag.e01{background:rgba(56,189,248,0.1);color:var(--cyan)}
.product-tag.e02{background:rgba(168,85,247,0.1);color:var(--purple)}
.product-tag.phone{background:rgba(34,197,94,0.1);color:var(--green)}
.product-tag.pc{background:rgba(249,115,22,0.1);color:var(--orange)}
.product-tag.tool{background:rgba(239,68,68,0.1);color:var(--red)}
.product-tag.sys{background:rgba(0,85,212,0.1);color:var(--cyan-dim)}
.product-body{padding:20px 28px 28px}
.product-body h3{font-size:20px;font-weight:700;margin-bottom:8px}
.product-body p{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-bottom:16px}
.product-specs{list-style:none;display:flex;flex-direction:column;gap:8px}
.product-specs li{font-size:13px;color:var(--text-secondary);display:flex;align-items:center;gap:10px}
.product-specs li::before{content:'';width:6px;height:6px;border-radius:50%;flex-shrink:0}
.product-specs li:nth-child(1)::before{background:var(--cyan);box-shadow:0 0 6px var(--cyan-glow)}
.product-specs li:nth-child(2)::before{background:var(--purple);box-shadow:0 0 6px var(--purple-glow)}
.product-specs li:nth-child(3)::before{background:var(--green);box-shadow:0 0 6px var(--green-glow)}
.product-specs li:nth-child(4)::before{background:var(--orange);box-shadow:0 0 6px rgba(249,115,22,0.5)}

/* 产品详情页 */
.detail-hero{position:relative;z-index:1;padding:120px 24px 60px}
.detail-hero-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.detail-icon-big{width:80px;height:80px;border-radius:20px;display:flex;align-items:center;justify-content:center;font-size:40px;margin-bottom:24px}
.detail-title{font-size:clamp(28px,4vw,48px);font-weight:800;margin-bottom:16px;letter-spacing:-0.5px}
.detail-desc{font-size:16px;color:var(--text-secondary);line-height:1.8;margin-bottom:32px;max-width:500px}
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px}
.feature-item{background:var(--bg-card);border:1px solid var(--border-glow);border-radius:12px;padding:20px;transition:all .3s}
.feature-item:hover{border-color:rgba(0,85,212,0.3);box-shadow:0 0 20px rgba(0,85,212,0.08)}
.feature-item h4{font-size:14px;font-weight:600;margin-bottom:6px;color:var(--text-primary)}
.feature-item p{font-size:13px;color:var(--text-secondary);line-height:1.6}
.feature-item .feat-icon{font-size:24px;margin-bottom:8px}
.platform-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(0,85,212,0.08);border:1px solid rgba(0,85,212,0.2);border-radius:8px;padding:6px 14px;font-size:12px;color:var(--cyan);font-weight:500}

/* 核心优势 */
.arch-section{background:var(--bg-secondary);border-top:1px solid var(--border-glow);border-bottom:1px solid var(--border-glow)}
.arch-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:48px;align-items:center}
.arch-list{display:flex;flex-direction:column;gap:20px}
.arch-item{display:flex;gap:16px;align-items:flex-start;padding:20px;background:rgba(0,85,212,0.04);border:1px solid var(--border-glow);border-radius:12px;backdrop-filter:blur(10px);transition:all .3s}
.arch-item:hover{border-color:rgba(0,85,212,0.3);background:rgba(0,85,212,0.08);box-shadow:0 0 20px rgba(0,85,212,0.08)}
.arch-item-icon{width:44px;height:44px;border-radius:10px;background:var(--gradient-geely);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;box-shadow:0 0 16px var(--geely-glow)}
.arch-item h4{font-size:15px;font-weight:600;margin-bottom:4px}
.arch-item p{font-size:13px;color:var(--text-secondary)}
.arch-visual{position:relative;height:400px;display:flex;align-items:center;justify-content:center}
.arch-ring{position:absolute;border-radius:50%;display:flex;align-items:center;justify-content:center}
.arch-ring-1{width:350px;height:350px;border:1px solid rgba(0,85,212,0.15);animation:spin-slow 30s linear infinite}
.arch-ring-2{width:250px;height:250px;border:1px dashed rgba(168,85,247,0.12);animation:spin-slow 20s linear infinite reverse}
.arch-ring-3{width:150px;height:150px;border:1px solid rgba(56,189,248,0.12);animation:spin-slow 15s linear infinite}
.arch-center{width:80px;height:80px;border-radius:50%;background:var(--gradient-geely);display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:900;color:#fff;box-shadow:0 0 40px var(--geely-glow);z-index:2;font-family:'Orbitron',sans-serif}
.arch-node{position:absolute;width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:18px;background:var(--bg-secondary);border:1px solid rgba(0,85,212,0.2);transition:all .3s}
.arch-node:hover{border-color:var(--cyan);box-shadow:0 0 20px var(--cyan-glow)}
@keyframes spin-slow{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}

/* 适配车型 */
.cars-cloud{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:48px}
.car-chip{background:rgba(0,85,212,0.06);border:1px solid rgba(0,85,212,0.15);padding:10px 20px;border-radius:10px;font-size:14px;color:var(--text-secondary);transition:all .3s;font-weight:500}
.car-chip:hover{color:var(--cyan);border-color:rgba(0,85,212,0.4);box-shadow:0 0 24px rgba(0,85,212,0.15);transform:translateY(-2px)}

/* 车型平台分组 */
.platform-group{margin-top:48px}
.platform-group h3{font-size:20px;font-weight:700;margin-bottom:20px;display:flex;align-items:center;gap:12px}
.platform-group h3 .badge{font-size:11px;padding:4px 10px;border-radius:6px;font-weight:600;font-family:'Orbitron',sans-serif}
.car-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
.car-item{background:rgba(0,85,212,0.04);border:1px solid var(--border-glow);border-radius:10px;padding:16px;text-align:center;transition:all .3s}
.car-item:hover{border-color:rgba(0,85,212,0.3);transform:translateY(-2px);box-shadow:0 4px 20px rgba(0,85,212,0.1)}
.car-item .car-name{font-size:14px;font-weight:500;margin-bottom:4px}
.car-item .car-detail{font-size:11px;color:var(--text-muted)}

/* FAQ */
.faq-list{max-width:800px;margin:48px auto 0;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--bg-card);border:1px solid var(--border-glow);border-radius:12px;overflow:hidden;transition:all .3s}
.faq-item:hover{border-color:rgba(0,85,212,0.3)}
.faq-q{padding:20px 24px;font-size:15px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;transition:background .2s}
.faq-q:hover{background:rgba(0,85,212,0.04)}
.faq-q .arrow{transition:transform .3s;font-size:12px;color:var(--cyan)}
.faq-item.open .faq-q .arrow{transform:rotate(180deg)}
.faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:all .3s;font-size:14px;color:var(--text-secondary);line-height:1.8}
.faq-item.open .faq-a{padding:0 24px 20px;max-height:500px}

/* 笔记列表 */
.notes-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:24px;margin-top:48px}
.note-card{background:var(--bg-card);border:1px solid var(--border-glow);border-radius:16px;overflow:hidden;transition:all .4s}
.note-card:hover{transform:translateY(-4px);border-color:rgba(0,85,212,0.3);box-shadow:0 8px 32px rgba(0,85,212,0.12)}
.note-cover{height:180px;background:linear-gradient(135deg,rgba(0,85,212,0.1),rgba(56,189,248,0.05));display:flex;align-items:center;justify-content:center;font-size:48px;border-bottom:1px solid var(--border-glow)}
.note-body{padding:24px}
.note-body h3{font-size:17px;font-weight:700;margin-bottom:10px}
.note-body p{font-size:13px;color:var(--text-secondary);line-height:1.7;margin-bottom:12px}
.note-meta{font-size:11px;color:var(--text-muted);display:flex;gap:16px}
.note-tag{font-size:11px;padding:3px 8px;border-radius:4px;background:rgba(56,189,248,0.08);color:var(--cyan);font-weight:500}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:700px;margin:48px auto 0}
.contact-card{background:var(--bg-card);border:1px solid var(--border-glow);border-radius:16px;padding:40px;text-align:center;transition:all .3s;backdrop-filter:blur(10px)}
.contact-card:hover{border-color:rgba(0,85,212,0.3);box-shadow:0 0 24px rgba(0,85,212,0.1)}
.contact-icon{font-size:40px;margin-bottom:16px}
.contact-card h3{font-size:18px;font-weight:600;margin-bottom:8px}
.contact-card p{color:var(--text-muted);font-size:13px;margin-bottom:8px}
.contact-highlight{font-size:22px;font-weight:700;background:var(--gradient-geely);-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-family:'Orbitron',sans-serif;letter-spacing:2px}
.qr-box{width:140px;height:140px;background:rgba(0,85,212,0.04);border:1px dashed rgba(0,85,212,0.2);border-radius:12px;margin:12px auto 0;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:12px}

/* 页面内CTA */
.page-cta{position:relative;z-index:1;text-align:center;padding:80px 24px;background:linear-gradient(180deg,transparent,rgba(0,85,212,0.04));border-top:1px solid var(--border-glow)}
.page-cta h2{font-size:28px;font-weight:800;margin-bottom:12px}
.page-cta p{color:var(--text-secondary);margin-bottom:32px}

/* Footer */
footer{position:relative;z-index:1;border-top:1px solid var(--border-glow);background:var(--bg-primary);padding:48px 24px 24px}
.footer-inner{max-width:1200px;margin:0 auto}
.footer-top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:32px;margin-bottom:32px}
.footer-brand .name{font-size:18px;font-weight:700;background:var(--gradient-geely);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:8px}
.footer-brand p{font-size:13px;color:var(--text-muted);max-width:280px;line-height:1.7}
.footer-col h4{font-size:12px;font-weight:600;color:var(--text-secondary);margin-bottom:12px;text-transform:uppercase;letter-spacing:2px;font-family:'Orbitron',sans-serif}
.footer-col a{display:block;font-size:13px;color:var(--text-muted);padding:3px 0;transition:all .3s}
.footer-col a:hover{color:var(--cyan);text-shadow:0 0 8px rgba(56,189,248,0.3)}
.footer-bottom{border-top:1px solid var(--border-glow);padding-top:20px;text-align:center;font-size:12px;color:var(--text-muted)}

/* 关于页 */
.about-content{max-width:800px;margin:0 auto}
.about-content h3{font-size:20px;font-weight:700;margin:32px 0 16px;color:var(--text-primary)}
.about-content p{font-size:15px;color:var(--text-secondary);line-height:2;margin-bottom:16px}
.timeline{position:relative;padding-left:32px;margin-top:32px;border-left:2px solid rgba(0,85,212,0.2)}
.timeline-item{position:relative;margin-bottom:32px}
.timeline-item::before{content:'';position:absolute;left:-37px;top:4px;width:12px;height:12px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan-glow)}
.timeline-item .time{font-size:12px;color:var(--cyan);font-family:'Orbitron',sans-serif;margin-bottom:4px;letter-spacing:1px}
.timeline-item h4{font-size:16px;font-weight:600;margin-bottom:4px}
.timeline-item p{font-size:13px;color:var(--text-secondary);line-height:1.7}

/* 响应式 */
@media(max-width:768px){
    .nav-links{display:none}
    .mobile-toggle{display:block}
    .hero-inner{grid-template-columns:1fr;text-align:center}
    .hero p{margin-left:auto;margin-right:auto}
    .hero-btns{justify-content:center}
    .hero-dashboard{display:none}
    .hero h1{font-size:32px}
    .hero p{font-size:15px}
    .products-grid{grid-template-columns:1fr}
    .arch-grid{grid-template-columns:1fr}
    .arch-visual{display:none}
    .contact-grid{grid-template-columns:1fr}
    .detail-hero-inner{grid-template-columns:1fr}
    .feature-grid{grid-template-columns:1fr}
    .dl-item{flex-direction:column;gap:12px;text-align:center}
    .stats-inner{gap:20px}
    .stat-gauge{width:60px;height:60px}
    .stat-gauge .val{font-size:13px}
    .stat-label{font-size:9px}
    .footer-top{flex-direction:column}
}

/* 滚动条 */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg-primary)}
::-webkit-scrollbar-thumb{background:rgba(0,85,212,0.2);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--cyan-dim)}

/* 滚动显示动画 */
.fade-up{opacity:0;transform:translateY(30px);transition:opacity .6s,transform .6s}
.fade-up.visible{opacity:1;transform:translateY(0)}

/* 内容页段落 */
.content-section{position:relative;z-index:1;padding:60px 24px}
.content-section .container{max-width:800px}
.content-card{background:var(--bg-card);border:1px solid var(--border-glow);border-radius:16px;padding:32px;margin-top:24px;backdrop-filter:blur(10px)}