:root{
  --c-primary: #7c8597;
  --c-primary-dark: #7c8597;
  --font: 'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
}
:root{
  --bg:#0e1626;          /* 深空背景 */
  --panel:#162032;        /* 面板 */
  --silver:#9ca3af;      /* 主色银铝 */
  --silver-deep:#6b7280; /* 按钮（配白字） */
  --silver-hi:#d1d5db;   /* 高光 */
  --title:#f3f6fb;        /* 标题近白 */
  --body:#a9b4c4;         /* 正文 */
  --line:#263244;         /* 细银边/分隔 */
  --line-soft:rgba(156,163,175,.18);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Segoe UI","Microsoft YaHei",system-ui,sans-serif;background:var(--bg);color:var(--body);line-height:1.75;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.wrap{width:min(1180px,92vw);margin:0 auto}

/* ===== header ===== */
.hdr{position:sticky;top:0;z-index:50;background:rgba(14,22,38,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:12px;color:var(--title);font-weight:800;font-size:20px;letter-spacing:.5px}
.logo small{display:block;font-size:11px;font-weight:500;color:var(--silver);letter-spacing:2px}
.nav{display:flex;gap:4px;align-items:center}
.nav a{padding:9px 16px;border-radius:8px;color:var(--body);font-size:15px;font-weight:600;transition:.2s;border-bottom:2px solid transparent}
.nav a:hover{color:var(--title);background:rgba(156,163,175,.08)}
.nav a.active{color:var(--title);background:rgba(156,163,175,.12);border-bottom-color:var(--silver)}
.burger{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:8px}
.burger span{width:24px;height:3px;background:var(--silver);border-radius:2px;display:block}

/* ===== hero (不对称双栏 55% / 45%) ===== */
.hero{padding:66px 0 72px;background:
  radial-gradient(1100px 420px at 88% -12%,rgba(156,163,175,.14),transparent),
  linear-gradient(180deg,#0c1322,#0e1626)}
.hero .grid{display:grid;grid-template-columns:55% 45%;gap:46px;align-items:center}
.eyebrow{display:inline-block;color:var(--silver);font-weight:700;letter-spacing:3px;font-size:13px;text-transform:uppercase;margin-bottom:16px}
.hero h1{font-size:46px;line-height:1.14;color:var(--title);margin-bottom:18px;letter-spacing:.5px}
.hero p.lead{font-size:17px;color:var(--body);max-width:540px;margin-bottom:30px}
.btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 28px;border-radius:10px;font-weight:700;font-size:15px;transition:.22s;cursor:pointer}
.btn.primary{background:var(--silver-deep);color:#ffffff;border:1px solid var(--silver-deep)}
.btn.primary:hover{background:#7c8597;border-color:#7c8597}
.btn.ghost{border:2px solid var(--silver);color:var(--silver)}
.btn.ghost:hover{background:var(--silver);color:#0e1626}
.hero-fig{position:relative}
.hero-fig img{width:100%;height:400px;object-fit:cover;border-radius:16px;border:1px solid var(--line);box-shadow:0 24px 60px rgba(0,0,0,.5);filter:brightness(.92) contrast(1.05)}
/* 斜向银色高光条（伪元素 linear-gradient 斜切） */
.hero-fig::after{content:"";position:absolute;left:-25%;top:30%;width:150%;height:64px;
  background:linear-gradient(90deg,transparent,rgba(209,213,219,.55),transparent);
  transform:rotate(-24deg);transform-origin:center;pointer-events:none;border-radius:4px}
.hero-fig::before{content:"";position:absolute;inset:-14px -14px auto auto;width:120px;height:120px;
  border:1px solid var(--silver);border-radius:18px;z-index:-1;opacity:.5}
.badge{position:absolute;left:-16px;bottom:26px;background:var(--panel);color:var(--title);
  padding:12px 18px;border-radius:12px;font-weight:700;border:1px solid var(--line);box-shadow:0 12px 34px rgba(0,0,0,.5)}
.badge b{color:var(--silver-hi);font-size:22px}

/* ===== strip ===== */
.strip{background:var(--panel);border-block:1px solid var(--line);padding:18px 0}
.strip .wrap{display:flex;justify-content:space-around;flex-wrap:wrap;gap:14px;text-align:center}
.strip div{font-size:14px;color:var(--body)}
.strip b{color:var(--silver-hi);font-size:18px;display:block}

/* ===== section ===== */
.sec{padding:66px 0}
.sec.tint{background:linear-gradient(180deg,#101a2c,#0e1626)}
.sec-head{text-align:center;max-width:700px;margin:0 auto 42px}
.sec-head .eyebrow{margin-bottom:8px}
.sec-head h2{font-size:32px;color:var(--title);margin-bottom:10px;letter-spacing:.5px}
.sec-head p{color:var(--body)}

/* ===== about preview ===== */
.about .grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
.about img{width:100%;height:380px;object-fit:cover;border-radius:16px;border:1px solid var(--line);box-shadow:0 18px 46px rgba(0,0,0,.45);filter:brightness(.95)}
.feat{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:24px}
.feat div{display:flex;gap:12px;align-items:flex-start;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.feat svg{flex:none;width:30px;height:30px;color:var(--silver)}
.feat b{display:block;color:var(--title);font-size:15px}
.feat span{font-size:13.5px;color:var(--body)}
.about h2.ink{font-size:28px;color:var(--title);margin-bottom:12px}
.about p.muted{color:var(--body)}

/* ===== products: 悬浮金属卡 ===== */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.pcard{position:relative;background:linear-gradient(158deg,#1a2638,#121b2a);border:1px solid var(--line);
  border-radius:14px;overflow:hidden;transition:.26s}
/* 顶部斜高光 */
.pcard::before{content:"";position:absolute;top:0;left:0;right:0;height:46px;
  background:linear-gradient(125deg,rgba(209,213,219,.20),transparent 62%);pointer-events:none;z-index:2}
/* 细银边描边 */
.pcard::after{content:"";position:absolute;inset:0;border-radius:14px;
  box-shadow:inset 0 0 0 1px rgba(156,163,175,.10);pointer-events:none;z-index:2}
.pcard:hover{transform:translateY(-9px);border-color:var(--silver);
  box-shadow:0 22px 48px rgba(0,0,0,.5),0 0 22px rgba(156,163,175,.18)}
.pcard img{width:100%;height:210px;object-fit:cover;border-bottom:1px solid var(--line);filter:brightness(.94)}
.pcard .body{padding:18px 20px}
.pcard .tag{font-size:12px;color:var(--silver);font-weight:700;letter-spacing:1.5px;text-transform:uppercase}
.pcard h3{font-size:18px;color:var(--title);margin:6px 0 8px}
.pcard p{font-size:14px;color:var(--body)}
.pcard .spec{margin-top:10px;font-size:12.5px;color:var(--silver-hi);border-top:1px dashed var(--line);padding-top:10px}

/* ===== services / 优势 ===== */
.sgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.scard{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:28px 22px;text-align:center;transition:.24s}
.scard:hover{border-color:var(--silver);transform:translateY(-5px)}
.scard .ic{width:58px;height:58px;margin:0 auto 14px;border-radius:14px;
  background:linear-gradient(150deg,#1d2a3e,#141d2c);border:1px solid var(--line);
  color:var(--silver);display:flex;align-items:center;justify-content:center}
.scard .ic svg{width:30px;height:30px}
.scard h3{font-size:17px;color:var(--title);margin-bottom:6px}
.scard p{font-size:14px;color:var(--body)}

/* ===== stats band ===== */
.band{background:linear-gradient(120deg,#162032,#0e1626);border-block:1px solid var(--line);padding:56px 0}
.band .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.band .num{font-size:42px;font-weight:800;color:var(--silver-hi);letter-spacing:1px}
.band .lab{color:var(--body);font-size:14px;margin-top:6px}

/* ===== news ===== */
.ngrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ncard{background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.24s}
.ncard:hover{transform:translateY(-6px);border-color:var(--silver);box-shadow:0 18px 40px rgba(0,0,0,.45)}
.ncard img{width:100%;height:188px;object-fit:cover;border-bottom:1px solid var(--line);filter:brightness(.94)}
.ncard .body{padding:16px 18px}
.ncard .date{font-size:12px;color:var(--silver);font-weight:700;letter-spacing:1px}
.ncard h3{font-size:16px;color:var(--title);margin:6px 0;line-height:1.45}
.ncard p{font-size:13px;color:var(--body)}
/* 特色大图 */
.nfeature{display:grid;grid-template-columns:1.25fr 1fr;gap:0;background:var(--panel);
  border:1px solid var(--line);border-radius:16px;overflow:hidden;margin-bottom:30px}
.nfeature img{width:100%;height:100%;min-height:300px;object-fit:cover;filter:brightness(.92)}
.nfeature .body{padding:34px 32px;display:flex;flex-direction:column;justify-content:center}
.nfeature .date{color:var(--silver);font-weight:700;letter-spacing:1px;font-size:13px}
.nfeature h3{font-size:26px;color:var(--title);margin:10px 0 14px;line-height:1.3}
.nfeature p{color:var(--body)}

/* ===== cta ===== */
.cta{background:linear-gradient(120deg,#162032,#0e1626);border-top:1px solid var(--line);text-align:center;padding:58px 0}
.cta h2{font-size:30px;color:var(--title);margin-bottom:10px}
.cta p{margin-bottom:24px;color:var(--body)}
.cta .btn.ghost{border-color:var(--silver);color:var(--silver)}
.cta .btn.ghost:hover{background:var(--silver);color:#0e1626}

/* ===== footer ===== */
.ftr{background:#0a1019;border-top:1px solid var(--line);color:var(--body);padding:54px 0 22px}
.ftr .grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:30px}
.ftr h4{color:var(--title);font-size:16px;margin-bottom:14px}
.ftr a{color:var(--body);font-size:14px;display:block;padding:4px 0;transition:.2s}
.ftr a:hover{color:var(--silver-hi)}
.ftr p{font-size:14px;line-height:1.85}
.ftr .brand{display:flex;align-items:center;gap:10px;color:var(--title);font-weight:800;font-size:20px;margin-bottom:12px}
.ftr .bottom{border-top:1px solid var(--line);margin-top:30px;padding-top:16px;font-size:13px;color:#6f7c8e;text-align:center}

/* ===== page head ===== */
.phead{background:linear-gradient(120deg,#162032,#0c1322);border-bottom:1px solid var(--line);color:var(--title);padding:54px 0}
.phead .eyebrow{color:var(--silver)}
.phead h1{font-size:34px;margin:8px 0;letter-spacing:.5px}
.phead .crumb{font-size:13px;color:var(--body)}
.phead .crumb a{color:var(--silver)}

/* ===== values ===== */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.vcard{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:26px;border-top:3px solid var(--silver)}
.vcard h3{color:var(--title);margin-bottom:8px}
.vcard p{color:var(--body);font-size:14px}

/* ===== timeline ===== */
.timeline{position:relative;margin:30px 0 0;padding-left:28px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--line)}
.tl{position:relative;padding:0 0 26px 22px}
.tl::before{content:"";position:absolute;left:-26px;top:4px;width:16px;height:16px;border-radius:50%;
  background:var(--silver);border:3px solid var(--bg);box-shadow:0 0 0 2px var(--silver)}
.tl .yr{font-weight:800;color:var(--silver-hi);font-size:17px}
.tl p{color:var(--body);font-size:14px}

/* ===== product filter ===== */
.pfilter{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:36px}
.pfilter button{border:1px solid var(--silver);background:transparent;color:var(--silver);
  padding:9px 20px;border-radius:30px;font-weight:600;cursor:pointer;transition:.2s}
.pfilter button:hover{background:rgba(156,163,175,.10)}
.pfilter button.on{background:var(--silver);color:#0e1626}

/* ===== contact ===== */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:42px}
.cinfo{display:grid;gap:16px}
.cinfo .ci{display:flex;gap:14px;align-items:flex-start;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.cinfo svg{width:26px;height:26px;color:var(--silver);flex:none}
.cinfo b{display:block;color:var(--title);font-size:15px}
.cinfo span{font-size:14px;color:var(--body)}
.cform{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px}
.cform h3{color:var(--title);margin-bottom:18px}
.cform label{display:block;font-size:14px;font-weight:600;color:var(--title);margin:12px 0 6px}
.cform input,.cform textarea{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:9px;
  font-size:14px;font-family:inherit;background:#0e1626;color:var(--title)}
.cform input:focus,.cform textarea:focus{outline:none;border-color:var(--silver)}
.cform input::placeholder,.cform textarea::placeholder{color:#5e6b7d}
.cform button{margin-top:18px;width:100%;background:var(--silver-deep);color:#fff;border:1px solid var(--silver-deep);
  padding:13px;border-radius:10px;font-weight:700;font-size:15px;cursor:pointer}
.cform button:hover{background:#7c8597;border-color:#7c8597}
.map{margin-top:18px;border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.map img{width:100%;height:220px;object-fit:cover;filter:brightness(.8) saturate(.85)}
.ok{display:none;background:rgba(156,163,175,.12);color:var(--silver-hi);border:1px solid var(--silver);
  padding:12px 16px;border-radius:10px;margin-top:14px;font-weight:600}

/* ===== responsive ===== */
@media(max-width:960px){
  .hero .grid,.about .grid,.contact-grid{grid-template-columns:1fr;gap:30px}
  .hero-fig img{height:320px}
  .pgrid,.ngrid,.values{grid-template-columns:repeat(2,1fr)}
  .sgrid,.band .grid{grid-template-columns:repeat(2,1fr)}
  .ftr .grid{grid-template-columns:1fr 1fr}
  .nfeature{grid-template-columns:1fr}
  .nfeature img{min-height:220px}
  .hero h1{font-size:36px}
  .nav{position:absolute;top:72px;left:0;right:0;background:#0a1019;flex-direction:column;padding:14px;gap:4px;display:none;border-bottom:1px solid var(--line)}
  .nav.open{display:flex}
  .burger{display:flex}
}
@media(max-width:640px){
  .pgrid,.ngrid,.values,.sgrid,.band .grid,.ftr .grid{grid-template-columns:1fr}
  .feat{grid-template-columns:1fr}
  .hero h1{font-size:30px}
  .sec-head h2{font-size:26px}
  .nfeature h3{font-size:21px}
}

/* ===== 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;}