:root{
  --c-primary: #2563eb;
  --c-primary-dark: #2563eb;
  --font: 'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
}
/* ===== VoltEdge 睿电动力 · 发电机组 / 电力设备 / 动力系统 / 配电 ===== */
/* 深色科技站点：电光蓝 #2563eb + 荧光绿 #84cc16 + 近黑背景 #0b1120 + 面板 #131c31 */

:root{
  --c-primary:#2563eb;          /* 电光蓝 */
  --brand2:#84cc16;         /* 荧光绿 */
  --brand-light:#60a5fa;
  --green-light:#bef264;
  --grad:linear-gradient(120deg,#2563eb,#84cc16);
  --ink:#eef2ff;            /* 浅色正文 */
  --muted:#9aa6c4;          /* 次要文字 */
  --line:rgba(255,255,255,.08);   /* 描边 */
  --bg:#0b1120;             /* 近黑站点背景 */
  --surface:#131c31;        /* 面板 */
  --surface-2:#1a2740;      /* 浅一档面板 */
  --radius:16px;
  --shadow:0 12px 34px rgba(0,0,0,.45);
  --shadow-lg:0 26px 64px rgba(0,0,0,.6);
  --maxw:1200px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI","Microsoft YaHei",system-ui,-apple-system,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;font-size:15px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:.2s}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:999px;font-weight:600;font-size:14px;cursor:pointer;border:none;transition:.25s}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(37,99,235,.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(37,99,235,.5)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.6)}
.btn-line{background:transparent;color:var(--ink);border:1.5px solid var(--brand)}
.btn-line:hover{background:var(--brand);color:#fff}

.sec{padding:88px 0}
.sec-head{text-align:center;max-width:700px;margin:0 auto 54px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--green-light);background:rgba(132,204,22,.12);padding:6px 16px;border-radius:999px;margin-bottom:16px}
.sec-head h2{font-size:36px;line-height:1.25;letter-spacing:-.5px}
.sec-head p{color:var(--muted);margin-top:14px;font-size:16px}

/* ===== Header ===== */
.hdr{position:sticky;top:0;z-index:50;background:rgba(11,17,32,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:-.3px;color:#fff}
.logo .cn{color:#fff}.logo .en{color:var(--brand-light)}
.nav{display:flex;gap:6px}
.nav a{padding:10px 18px;border-radius:999px;font-weight:600;color:var(--muted)}
.nav a:hover{background:var(--surface-2);color:#fff}
.nav a.active{background:var(--grad);color:#fff}
.hdr .cta-mini{display:inline-flex}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:#fff;border-radius:2px}

/* ===== Hero ===== */
.hero{position:relative;background:var(--bg);color:var(--ink);overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;background:repeating-linear-gradient(115deg, rgba(37,99,235,.12) 0 2px, transparent 2px 28px)}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:
  radial-gradient(680px circle at 88% 16%, rgba(37,99,235,.32), transparent 55%),
  radial-gradient(560px circle at 6% 96%, rgba(132,204,22,.18), transparent 55%)}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding-top:80px;padding-bottom:88px}
.hero h1{font-size:52px;line-height:1.12;letter-spacing:-1px;font-weight:800}
.hero h1 .hl{background:linear-gradient(90deg,#60a5fa,#bef264);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:18px;color:#c3cce6;margin:22px 0 32px;max-width:520px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:34px;margin-top:46px}
.hero-stats .n{font-size:32px;font-weight:800;color:#fff}
.hero-stats .l{font-size:13px;color:var(--muted)}
.hero-visual{position:relative}
.hero-visual .frame{border-radius:22px;overflow:hidden;box-shadow:0 30px 70px rgba(0,0,0,.6);border:1px solid rgba(255,255,255,.12);clip-path:polygon(0 0,100% 0,100% 86%,92% 100%,0 100%)}
.hero-visual .frame img{aspect-ratio:4/3;object-fit:cover;width:100%}
.hero-visual .badge{position:absolute;left:-18px;bottom:30px;background:#eef2ff;color:#0b1120;border-radius:14px;padding:15px 19px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:12px}
.hero-visual .badge .dot{width:42px;height:42px;border-radius:12px;background:var(--grad);display:grid;place-items:center;color:#fff;flex:0 0 42px}
.hero-visual .badge b{display:block;font-size:17px;color:#0b1120}
.hero-visual .badge span{font-size:12px;color:#475569}

/* ===== Trust strip ===== */
.strip{background:var(--surface);border-bottom:1px solid var(--line)}
.strip .wrap{display:flex;flex-wrap:wrap;gap:14px 40px;justify-content:center;align-items:center;padding:26px 24px;color:var(--muted);font-weight:600}
.strip b{color:var(--green-light)}

/* ===== About preview ===== */
.about{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about .imgs{position:relative}
.about .imgs img{border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover;width:100%;border:1px solid var(--line)}
.about .imgs .exp{position:absolute;right:-18px;top:-18px;background:var(--grad);color:#fff;border-radius:14px;padding:18px 22px;text-align:center;box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.18)}
.about .imgs .exp b{font-size:30px;display:block}
.about .imgs .exp span{font-size:12px;opacity:.92}
.about h2{font-size:34px;letter-spacing:-.5px;margin-bottom:8px}
.about .lead{color:var(--muted);font-size:16px;margin:14px 0 24px}
.feat-list{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:28px}
.feat-list .it{display:flex;gap:12px;align-items:flex-start}
.feat-list .ic{flex:0 0 40px;height:40px;border-radius:10px;background:rgba(132,204,22,.14);color:var(--green-light);display:grid;place-items:center}
.feat-list b{font-size:15px;color:#fff}
.feat-list p{font-size:13px;color:var(--muted);margin-top:2px}

/* ===== Products grid ===== */
.products{background:linear-gradient(180deg,#0b1120,#10182b)}
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pcard{background:var(--surface);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);transition:.28s;clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,18px 100%,0 calc(100% - 18px))}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(37,99,235,.5)}
.pcard .ph{position:relative;overflow:hidden;aspect-ratio:16/11}
.pcard .ph img{width:100%;height:100%;object-fit:cover;transition:.4s}
.pcard:hover .ph img{transform:scale(1.06)}
.pcard .tag{position:absolute;left:14px;top:14px;background:rgba(37,99,235,.92);color:#fff;font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px}
.pcard .bd{padding:22px}
.pcard h3{font-size:19px;margin-bottom:8px;color:#fff}
.pcard p{font-size:14px;color:var(--muted);margin-bottom:16px;min-height:44px}
.pcard .more{color:var(--green-light);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.pcard .more:hover{gap:10px}

/* ===== Services / advantages ===== */
.serv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.scard{background:var(--surface);border-radius:var(--radius);padding:30px 24px;border:1px solid var(--line);box-shadow:var(--shadow);transition:.28s;text-align:left;position:relative;clip-path:polygon(0 0,calc(100% - 16px) 0,100% 16px,100% 100%,16px 100%,0 calc(100% - 16px))}
.scard:hover{transform:translateY(-6px);border-color:rgba(132,204,22,.5)}
.scard .ic{width:56px;height:56px;border-radius:14px;background:var(--grad);color:#fff;display:grid;place-items:center;margin-bottom:18px}
.scard h3{font-size:18px;margin-bottom:8px;color:#fff}
.scard p{font-size:14px;color:var(--muted)}
.scard .num{font-size:13px;font-weight:800;color:var(--brand-light);opacity:.6;margin-top:10px;display:block}

/* ===== Stats band ===== */
.band{background:var(--grad);color:#fff;position:relative;overflow:hidden}
.band::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg, rgba(255,255,255,.07) 0 2px, transparent 2px 30px)}
.band::after{content:"";position:absolute;inset:0;background:radial-gradient(700px circle at 80% 30%,rgba(255,255,255,.16),transparent 60%)}
.band .wrap{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:64px 24px;text-align:center}
.band .n{font-size:44px;font-weight:800}
.band .l{opacity:.9;margin-top:6px;font-size:15px}

/* ===== News ===== */
.ngrid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.ncard{background:var(--surface);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);transition:.28s;clip-path:polygon(0 0,100% 0,100% 100%,18px 100%,0 calc(100% - 18px))}
.ncard:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.ncard .ph{aspect-ratio:16/10;overflow:hidden}
.ncard .ph img{width:100%;height:100%;object-fit:cover;transition:.4s}
.ncard:hover .ph img{transform:scale(1.05)}
.ncard .bd{padding:24px}
.ncard .date{font-size:13px;color:var(--green-light);font-weight:700;margin-bottom:10px}
.ncard h3{font-size:18px;line-height:1.5;margin-bottom:10px;color:#fff}
.ncard p{font-size:14px;color:var(--muted)}

/* ===== CTA ===== */
.cta{padding:0 0 88px}
.cta .box{background:var(--grad);border-radius:24px;color:#fff;padding:60px;display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;overflow:hidden;box-shadow:var(--shadow-lg);clip-path:polygon(0 0,100% 0,100% 100%,28px 100%,0 calc(100% - 28px))}
.cta .box::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 2px,transparent 2px 32px),radial-gradient(500px circle at 90% 20%,rgba(255,255,255,.18),transparent 60%)}
.cta .box>*{position:relative;z-index:2}
.cta h2{font-size:32px;letter-spacing:-.5px}
.cta p{opacity:.9;margin-top:10px}

/* ===== Footer ===== */
.ftr{background:#070c17;color:var(--muted);padding:64px 0 28px;border-top:1px solid var(--line)}
.ftr .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;border-bottom:1px solid var(--line)}
.ftr .logo{color:#fff;margin-bottom:16px}
.ftr .logo .cn{color:#fff}.ftr .logo .en{color:var(--brand-light)}
.ftr p{font-size:14px;line-height:1.9}
.ftr h4{color:#fff;font-size:15px;margin-bottom:18px}
.ftr ul{list-style:none}
.ftr li{margin-bottom:10px;font-size:14px}
.ftr a:hover{color:#fff}
.ftr .contact-li{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;font-size:14px}
.ftr .copy{text-align:center;padding-top:24px;font-size:13px;color:#5b647e}

/* ===== Page hero (inner) ===== */
.phead{background:linear-gradient(120deg,#0b1120,#131c31);color:var(--ink);position:relative;overflow:hidden}
.phead::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(37,99,235,.10) 0 2px,transparent 2px 28px)}
.phead::after{content:"";position:absolute;inset:0;background:radial-gradient(600px circle at 85% 30%,rgba(37,99,235,.28),transparent 60%),radial-gradient(420px circle at 10% 110%,rgba(132,204,22,.14),transparent 60%)}
.phead .wrap{position:relative;z-index:2;padding:64px 24px 70px;text-align:center}
.phead h1{font-size:42px;letter-spacing:-.5px;color:#fff}
.phead .crumb{margin-top:14px;font-size:14px;color:var(--muted)}
.phead .crumb a:hover{color:#fff}

/* ===== About page extras ===== */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.vcard{background:var(--surface);border-radius:var(--radius);padding:32px;border:1px solid var(--line);box-shadow:var(--shadow);clip-path:polygon(0 0,calc(100% - 16px) 0,100% 16px,100% 100%,16px 100%,0 calc(100% - 16px))}
.vcard .ic{width:54px;height:54px;border-radius:14px;background:rgba(132,204,22,.14);color:var(--green-light);display:grid;place-items:center;margin-bottom:16px}
.vcard h3{font-size:19px;margin-bottom:10px;color:#fff}
.vcard p{color:var(--muted);font-size:14px}
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:36px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--line)}
.titem{position:relative;padding-bottom:34px}
.titem::before{content:"";position:absolute;left:-33px;top:4px;width:16px;height:16px;border-radius:50%;background:var(--grad);box-shadow:0 0 0 4px rgba(37,99,235,.18)}
.titem .y{font-weight:800;color:var(--brand-light);font-size:18px}
.titem h4{margin:4px 0;color:#fff}
.titem p{color:var(--muted);font-size:14px}

/* ===== Products page filter ===== */
.pfilter{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-bottom:44px}
.pfilter button{padding:10px 22px;border-radius:999px;border:1.5px solid var(--line);background:var(--surface);font-weight:600;color:var(--muted);cursor:pointer;transition:.2s}
.pfilter button.active,.pfilter button:hover{background:var(--grad);color:#fff;border-color:transparent}

/* ===== News page ===== */
.feature-news{display:grid;grid-template-columns:1.2fr 1fr;gap:0;margin-bottom:56px;background:var(--surface);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);clip-path:polygon(0 0,100% 0,100% 100%,24px 100%,0 calc(100% - 24px))}
.feature-news .ph{aspect-ratio:auto;min-height:340px}
.feature-news .ph img{width:100%;height:100%;object-fit:cover}
.feature-news .bd{padding:44px;display:flex;flex-direction:column;justify-content:center}
.feature-news .date{color:var(--green-light);font-weight:700;margin-bottom:14px}
.feature-news h2{font-size:28px;line-height:1.35;margin-bottom:16px;color:#fff}
.feature-news p{color:var(--muted);margin-bottom:24px}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:44px}
.cinfo .ic-row{display:flex;gap:16px;align-items:flex-start;margin-bottom:26px}
.cinfo .ic{flex:0 0 52px;height:52px;border-radius:14px;background:var(--grad);color:#fff;display:grid;place-items:center}
.cinfo b{display:block;font-size:16px;margin-bottom:2px;color:#fff}
.cinfo span{color:var(--muted);font-size:14px}
.cform{background:var(--surface);border-radius:var(--radius);padding:38px;box-shadow:var(--shadow);border:1px solid var(--line)}
.cform h3{font-size:22px;margin-bottom:6px;color:#fff}
.cform .sub{color:var(--muted);font-size:14px;margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:7px;color:#cdd6f0}
.field input,.field textarea{width:100%;padding:13px 16px;border:1.5px solid var(--line);border-radius:12px;font:inherit;font-size:14px;background:#0e1626;color:var(--ink);transition:.2s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);background:#0b1322;box-shadow:0 0 0 4px rgba(37,99,235,.18)}
.field textarea{resize:vertical;min-height:120px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.map-embed{border-radius:var(--radius);overflow:hidden;margin-top:44px;box-shadow:var(--shadow);border:1px solid var(--line);position:relative}
.map-embed img{width:100%;height:340px;object-fit:cover;filter:saturate(.9) brightness(.85)}
.map-embed::after{content:"睿电动力 · 位置示意";position:absolute;left:18px;bottom:16px;background:rgba(11,17,32,.75);color:#eef2ff;font-size:13px;font-weight:600;padding:7px 14px;border-radius:999px;border:1px solid var(--line)}
.form-note{font-size:13px;color:var(--muted);margin-top:12px;text-align:center}

/* ===== Responsive ===== */
@media(max-width:960px){
  .hero .wrap{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:40px}
  .about,.contact-grid,.feature-news{grid-template-columns:1fr}
  .feature-news .ph{min-height:240px}
  .pgrid,.ngrid,.serv-grid,.values{grid-template-columns:repeat(2,1fr)}
  .band .wrap{grid-template-columns:repeat(2,1fr);gap:36px}
  .feat-list{grid-template-columns:1fr}
  .cta .box{flex-direction:column;text-align:center;padding:44px 28px}
}
@media(max-width:640px){
  .nav{display:none;position:absolute;top:74px;left:0;right:0;background:var(--surface);flex-direction:column;padding:14px 20px;box-shadow:var(--shadow);border-bottom:1px solid var(--line)}
  .nav.open{display:flex}
  .nav a{width:100%}
  .burger{display:flex}
  .hdr .cta-mini{display:none}
  .sec{padding:60px 0}
  .sec-head h2{font-size:28px}
  .hero h1{font-size:32px}
  .pgrid,.ngrid,.serv-grid,.values{grid-template-columns:1fr}
  .band .wrap{grid-template-columns:repeat(2,1fr)}
  .hero-stats{gap:22px;flex-wrap:wrap}
  .cta .box{padding:36px 22px}
  .row2{grid-template-columns:1fr}
}

/* ===== CMS 共享：列表 / 详情 / 分页 / 表单 ===== */
.cms-page{padding:72px 0;}
.cms-page .container{max-width:1200px;margin:0 auto;padding:0 20px;}
.cms-page .cms-title{font-size:34px;font-weight:800;text-align:center;margin-bottom:8px;}
.cms-page .cms-subtitle{text-align:center;color:#888;margin-bottom:36px;}
.cms-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:26px;}
.cms-card{display:block;background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 8px 26px rgba(0,0,0,.07);transition:.25s;text-decoration:none;color:inherit;}
.cms-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(0,0,0,.12);}
.cms-card img{width:100%;height:200px;object-fit:cover;display:block;}
.cms-card h3{margin:0;padding:18px 18px 4px;font-size:18px;}
.cms-card p{padding:0 18px 18px;color:#777;font-size:14px;margin:0;}
.cms-detail{max-width:860px;margin:0 auto;padding:0 20px;}
.cms-detail img{max-width:100%;border-radius:14px;margin:18px 0;}
.cms-detail h1{font-size:34px;margin:10px 0 6px;}
.cms-detail .lead{color:#888;font-size:16px;}
.cms-content{line-height:1.9;color:#444;margin-top:18px;}
.cms-content img{max-width:100%;}
.cms-back{display:inline-block;margin:8px 0 18px;color:var(--c-primary,#e11d2e);text-decoration:none;font-weight:600;}
.cms-pager{margin:34px 0;text-align:center;}
.cms-pager a,.cms-pager span{padding:8px 14px;margin:0 3px;border-radius:8px;background:#fff;color:#444;text-decoration:none;box-shadow:0 2px 8px rgba(0,0,0,.06);}
.cms-pager .active{background:var(--c-primary,#e11d2e);color:#fff;}
.contact-form{max-width:640px;margin:18px auto 0;display:grid;gap:14px;}
.contact-form input,.contact-form textarea,.contact-form select{
  width:100%;padding:12px 14px;border:1px solid #e3e3e3;border-radius:10px;font-size:15px;font-family:inherit;}
.contact-form textarea{min-height:120px;resize:vertical;}
.btn-primary{background:var(--c-primary,#e11d2e);color:#fff;padding:12px 22px;border-radius:10px;font-weight:700;border:none;cursor:pointer;}
.form-alert{padding:12px 14px;border-radius:10px;margin-bottom:12px;font-size:14px;}
.form-alert-ok{background:#eafaf0;color:#1c7a43;}
.form-alert-err{background:#fdecea;color:#b42318;}
.form-alert-err ul{margin:6px 0 0;padding-left:18px;}
.ve-editable-bg{cursor:pointer;}