/* Charging Pile Repair - Dark Tech Style */
:root{--bg:#060a14;--bg2:#0d1424;--card:#131c2e;--card2:#1a2438;--acc:#00d4ff;--acc2:#2563eb;--acc3:#7c3aed;--txt:#e8edf5;--mut:#8294b0;--bd:rgba(0,212,255,.18);--glow:0 0 20px rgba(0,212,255,.15)}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei","Segoe UI",system-ui,sans-serif;background:var(--bg);color:var(--txt);line-height:1.6;overflow-x:hidden}
a{color:var(--acc);text-decoration:none;transition:color .3s}
a:hover{color:#5fe3ff}
img{max-width:100%}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.grid{display:grid;gap:24px}
.fade-in{opacity:0;transform:translateY(30px);animation:fi .8s ease forwards}
@keyframes fi{to{opacity:1;transform:translateY(0)}}
.delay1{animation-delay:.15s}.delay2{animation-delay:.3s}.delay3{animation-delay:.45s}.delay4{animation-delay:.6s}


/* Top Banner Image */
.top-banner{width:100%;max-height:220px;overflow:hidden;position:relative;z-index:99}
.top-banner img{width:100%;height:220px;object-fit:cover;display:block}
.top-banner::after{content:"";position:absolute;bottom:0;left:0;right:0;height:60px;background:linear-gradient(transparent,var(--bg));pointer-events:none}

/* Nav */
.nav{position:sticky;top:0;left:0;right:0;z-index:100;background:rgba(6,10,20,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--bd);transition:box-shadow .3s}
.nav .container{display:flex;align-items:center;justify-content:space-between;height:68px}
.nav-logo{font-size:22px;font-weight:800;letter-spacing:-.5px;color:var(--txt)}
.nav-logo span{color:var(--acc)}
.nav-links{display:flex;gap:32px;list-style:none}
.nav-links a{color:var(--mut);font-size:15px;font-weight:500;transition:color .3s}
.nav-links a:hover,.nav-links a.active{color:var(--acc)}
.nav-phone{font-size:14px;font-weight:700;color:var(--acc);white-space:nowrap}

/* Banner (sub-pages) */
.banner{background:linear-gradient(135deg,var(--bg2),var(--card));border-bottom:1px solid var(--bd);padding:80px 0 32px;text-align:center;position:relative;overflow:hidden}
.banner::before{content:"";position:absolute;top:-50%;left:-20%;width:60%;height:200%;background:radial-gradient(ellipse,rgba(0,212,255,.06),transparent 70%)}
.banner h1{font-size:36px;font-weight:800;margin-bottom:8px;position:relative}
.banner p{color:var(--mut);font-size:16px;position:relative}
.banner-nav{display:flex;justify-content:center;gap:24px;margin-top:20px;flex-wrap:wrap}
.banner-nav a{padding:8px 20px;border:1px solid var(--bd);border-radius:8px;font-size:14px;font-weight:500;transition:all .3s}
.banner-nav a:hover{background:rgba(0,212,255,.08);border-color:var(--acc);box-shadow:var(--glow)}

/* Hero */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;padding:60px 0 80px;background:radial-gradient(ellipse at top right,rgba(0,212,255,.08),transparent 60%),radial-gradient(ellipse at bottom left,rgba(124,58,237,.06),transparent 50%),var(--bg)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(0,212,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(0,212,255,.03) 1px,transparent 1px);background-size:50px 50px;mask:radial-gradient(ellipse at center,black,transparent 80%)}
.hero .container{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border:1px solid var(--bd);border-radius:20px;font-size:13px;color:var(--acc);margin-bottom:24px}
.hero h1{font-size:52px;font-weight:900;line-height:1.1;letter-spacing:-1px;margin-bottom:20px}
.hero h1 span{background:linear-gradient(135deg,var(--acc),var(--acc3));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p.lead{font-size:18px;color:var(--mut);margin-bottom:32px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:10px;font-size:16px;font-weight:700;transition:all .3s;cursor:pointer;border:none}
.btn-primary{background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff;box-shadow:0 4px 20px rgba(0,212,255,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 30px rgba(0,212,255,.45)}
.btn-outline{background:transparent;border:2px solid var(--bd);color:var(--txt)}
.btn-outline:hover{border-color:var(--acc);background:rgba(0,212,255,.05)}
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center}
.hero-card{background:linear-gradient(135deg,var(--card),var(--card2));border:1px solid var(--bd);border-radius:20px;padding:32px;width:100%;max-width:420px;box-shadow:var(--glow)}
.hero-card .stat{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.05)}
.hero-card .stat:last-child{border:none}
.hero-card .stat-label{color:var(--mut);font-size:14px}
.hero-card .stat-val{font-size:20px;font-weight:800;color:var(--acc)}

/* Section */
.section{padding:80px 0}
.section-alt{background:var(--bg2)}
.section-head{text-align:center;margin-bottom:48px}
.section-head h2{font-size:40px;font-weight:800;margin-bottom:12px}
.section-head h2 span{color:var(--acc)}
.section-head p{color:var(--mut);font-size:16px;max-width:600px;margin:0 auto}

/* Cards */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.card{background:var(--card);border:1px solid var(--bd);border-radius:14px;padding:28px;transition:all .3s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--acc),transparent);opacity:0;transition:opacity .3s}
.card:hover{transform:translateY(-4px);border-color:rgba(0,212,255,.4);box-shadow:var(--glow)}
.card:hover::before{opacity:1}
.card-icon{width:48px;height:48px;border-radius:12px;background:rgba(0,212,255,.1);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px;color:var(--acc)}
.card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.card p{color:var(--mut);font-size:14px}

/* List Links */
.link-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}
.link-item{display:block;padding:14px 18px;background:var(--card);border:1px solid var(--bd);border-radius:8px;font-size:14px;color:var(--txt);transition:all .3s;text-align:center}
.link-item:hover{background:rgba(0,212,255,.08);border-color:var(--acc);color:var(--acc);transform:translateY(-2px)}
.link-grid-cities{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:8px}
.city-link{display:block;padding:10px 14px;background:var(--card2);border:1px solid rgba(0,212,255,.1);border-radius:6px;font-size:13px;color:var(--mut);transition:all .25s;text-align:center}
.city-link:hover{background:rgba(0,212,255,.06);border-color:var(--acc);color:var(--acc)}

/* Table */
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--bd)}
.table th{color:var(--acc);font-size:14px;font-weight:600}
.table td{font-size:14px;color:var(--mut)}
.table tr:hover td{color:var(--txt)}

/* Contact */
.contact-box{background:linear-gradient(135deg,var(--card),var(--card2));border:1px solid var(--bd);border-radius:20px;padding:48px;text-align:center;box-shadow:var(--glow)}
.contact-phone{font-size:48px;font-weight:900;color:var(--acc);margin:16px 0}
.contact-sub{color:var(--mut);font-size:16px;margin-bottom:24px}
.contact-tags{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.contact-tag{padding:8px 20px;border:1px solid var(--bd);border-radius:20px;font-size:14px;color:var(--mut)}

/* Footer */
.footer{background:var(--bg2);border-top:1px solid var(--bd);padding:40px 0;text-align:center}
.footer p{color:var(--mut);font-size:13px}

/* Process Steps */
.steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px}
.step{text-align:center;padding:24px}
.step-num{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 12px;font-size:18px}
.step h4{font-size:16px;margin-bottom:6px}
.step p{font-size:13px;color:var(--mut)}

/* FAQ */
.faq-item{background:var(--card);border:1px solid var(--bd);border-radius:10px;padding:20px;margin-bottom:12px}
.faq-item h4{font-size:15px;color:var(--acc);margin-bottom:8px}
.faq-item p{font-size:14px;color:var(--mut)}

@media(max-width:768px){.hero .container{grid-template-columns:1fr}.hero h1{font-size:36px}.section-head h2{font-size:28px}}