:root{
  /* ============================ 换肤区 ============================ */
  /* 换行业时改这几行即可整站换色（值为 RGB 分量，便于做透明度） */
  --brand-rgb: 16, 185, 129;     /* 主能量色：青绿 */
  --accent-rgb: 56, 189, 248;    /* 辅助高亮：电光蓝 */
  --deep-rgb: 8, 17, 33;         /* 深空底色 */
  --deep2-rgb: 14, 26, 46;       /* 深空次级 */
  /* =============================================================== */

  --brand: rgb(var(--brand-rgb));
  --brand-d: #0a9d6e;
  --accent: rgb(var(--accent-rgb));
  --deep: rgb(var(--deep-rgb));
  --deep-2: rgb(var(--deep2-rgb));
  --panel: #0f1f38;              /* 卡片面板底 */
  --panel-2: #13294a;            /* 卡片悬浮底 */
  --line: rgba(255,255,255,.09); /* 暗背景分隔线 */
  --line-2: rgba(255,255,255,.16);
  --ink: #eaf2ff;                /* 主文字（亮） */
  --text: #aebbd0;               /* 正文 */
  --muted: #6f8099;              /* 次要文字 */
  --grid: rgba(var(--brand-rgb), .07); /* 网格线 */
  --glow: 0 0 0 1px rgba(var(--brand-rgb),.0), 0 18px 50px -12px rgba(var(--brand-rgb),.45);
  --grad: linear-gradient(135deg, var(--accent), var(--brand) 60%, var(--brand-d));
  --grad-text: linear-gradient(120deg, var(--accent), var(--brand));
  --r: 4px;                      /* 主圆角：极小，呈现“工程精密”感 */
  --r-lg: 8px;
  --w: 1280px;
  --ease: cubic-bezier(.2,.7,.3,1);
  --head-h: 76px;
  --font: "HarmonyOS Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  --mono: "JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font:15px/1.75 var(--font);
  color:var(--text);
  background:var(--deep);
  overflow-x:hidden;
  /* 全站细网格 + 顶部能量光晕 */
  background-image:
    radial-gradient(900px 500px at 80% -10%, rgba(var(--brand-rgb),.18), transparent 60%),
    radial-gradient(700px 400px at 0% 0%, rgba(var(--accent-rgb),.10), transparent 55%),
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size:auto,auto,46px 46px,46px 46px;
  background-attachment:fixed;
}
ul,ol,li{list-style:none}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
img{display:block;max-width:100%;border:0}
h1,h2,h3,h4,h5,h6{font-weight:700;color:var(--ink);line-height:1.25;letter-spacing:.2px}
input,textarea,select,button{font-family:inherit;font-size:inherit;outline:none;border:none;background:none;color:inherit}
button{cursor:pointer}
table{border-collapse:collapse;border-spacing:0}
svg{display:block}
::selection{background:var(--brand);color:#04130d}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:rgba(var(--brand-rgb),.5);border-radius:0}
::-webkit-scrollbar-track{background:var(--deep-2)}

.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.visually-hidden:focus{position:fixed;top:10px;left:10px;width:auto;height:auto;padding:10px 16px;clip:auto;background:var(--brand);color:#04130d;z-index:99999}

/* ============ 布局容器 ============ */
.ct{width:92%;max-width:var(--w);margin:0 auto}
.sec{padding:104px 0;position:relative}
.sec-sm{padding:72px 0}

/* ============ 区块标题（左对齐工程感 + 编号） ============ */
.shead{margin-bottom:52px;max-width:760px}
.shead .tag{display:inline-flex;align-items:center;gap:8px;font:600 12px/1 var(--mono);letter-spacing:2px;color:var(--brand);text-transform:uppercase;margin-bottom:18px}
.shead .tag::before{content:"";width:26px;height:1px;background:var(--brand)}
.shead h2{font-size:42px;letter-spacing:-.5px;color:var(--ink)}
.shead h2 em{font-style:normal;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.shead p{margin-top:18px;color:var(--muted);font-size:16px}
.shead.center{margin-left:auto;margin-right:auto;text-align:center}
.shead.center .tag::before{display:none}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;gap:10px;height:50px;padding:0 28px;border-radius:var(--r);font-size:15px;font-weight:600;letter-spacing:.3px;transition:all .3s var(--ease);white-space:nowrap;position:relative;overflow:hidden}
.btn svg{width:17px;height:17px;transition:transform .3s var(--ease)}
.btn-primary{background:var(--grad);color:#04130d}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--glow)}
.btn-primary:hover svg{transform:translateX(4px)}
.btn-line{border:1px solid var(--line-2);color:var(--ink)}
.btn-line:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}

/* ============ 顶部导航 ============ */
.hd{position:fixed;top:0;left:0;width:100%;height:var(--head-h);z-index:1000;display:flex;align-items:center;transition:background .35s var(--ease),box-shadow .35s,border-color .35s;border-bottom:1px solid transparent}
.hd.scrolled{background:rgba(8,17,33,.82);backdrop-filter:saturate(160%) blur(14px);-webkit-backdrop-filter:saturate(160%) blur(14px);border-bottom-color:var(--line)}
.hd .ct{display:flex;align-items:center;justify-content:space-between;max-width:1400px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:21px;color:var(--ink);letter-spacing:.5px}
.logo img{height:42px;width:auto;display:block;object-fit:contain}
.logo .mark{width:34px;height:34px;border-radius:var(--r);background:var(--grad);display:grid;place-items:center;color:#04130d;flex:0 0 auto;box-shadow:var(--glow)}
.logo .mark svg{width:20px;height:20px}
.logo b{color:var(--brand)}
.nav{display:flex;align-items:center;gap:4px}
.nav>li{position:relative}
.nav>li>a{display:flex;align-items:center;height:var(--head-h);padding:0 18px;font-size:15px;font-weight:500;color:var(--text);position:relative}
.nav>li>a::after{content:"";position:absolute;left:18px;right:18px;bottom:22px;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.nav>li:hover>a,.nav>li.active>a{color:var(--ink)}
.nav>li:hover>a::after,.nav>li.active>a::after{transform:scaleX(1)}
.nav .sub{position:absolute;top:100%;left:0;min-width:180px;background:var(--panel);border:1px solid var(--line);padding:8px;opacity:0;visibility:hidden;transform:translateY(10px);transition:.3s var(--ease);box-shadow:0 30px 60px -20px rgba(0,0,0,.7)}
.nav>li:hover .sub{opacity:1;visibility:visible;transform:translateY(0)}
.nav .sub li a{display:block;padding:10px 14px;font-size:14px;color:var(--text);border-radius:var(--r)}
.nav .sub li a:hover{background:rgba(var(--brand-rgb),.12);color:var(--brand)}
.sub-toggle{display:none}
.hd-tools{display:flex;align-items:center;gap:16px}
.hd-tel{display:flex;align-items:center;gap:8px;font:700 16px/1 var(--mono);color:var(--ink)}
.hd-tel svg{width:18px;height:18px;color:var(--brand)}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line-2);border-radius:var(--r);place-items:center;color:var(--ink)}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor}
.nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}

/* ============ Hero ============ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:calc(var(--head-h) + 40px) 0 60px;overflow:hidden}
.hero-inner{max-width:860px}
.hero .kicker{display:inline-flex;align-items:center;gap:10px;padding:7px 16px;border:1px solid var(--line-2);border-radius:var(--r-pill,999px);font:600 12px/1 var(--mono);letter-spacing:1.5px;color:var(--brand);text-transform:uppercase;margin-bottom:28px;background:rgba(var(--brand-rgb),.06)}
.hero .kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(var(--brand-rgb),.25)}
.hero h1{font-size:68px;line-height:1.08;letter-spacing:-1.5px;color:var(--ink)}
.hero h1 em{font-style:normal;display:block;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero .lead{margin:28px 0 38px;font-size:18px;color:var(--text);max-width:600px}
.hero-acts{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{margin-top:64px;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.hero-stats li{background:var(--deep);padding:26px 24px}
.hero-stats .n{font:800 40px/1 var(--mono);background:var(--grad-text);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-stats .n i{font-style:normal;font-size:20px}
.hero-stats p{margin-top:8px;font-size:13px;color:var(--muted);letter-spacing:.5px}
.hero-orbit{position:absolute;right:-180px;top:50%;transform:translateY(-50%);width:680px;height:680px;border-radius:50%;border:1px solid var(--line);pointer-events:none}
.hero-orbit::before,.hero-orbit::after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(var(--brand-rgb),.18)}
.hero-orbit::before{inset:80px}
.hero-orbit::after{inset:200px;border-color:rgba(var(--accent-rgb),.18)}
.hero-orbit .core{position:absolute;inset:0;margin:auto;width:160px;height:160px;border-radius:50%;background:radial-gradient(circle,rgba(var(--brand-rgb),.55),transparent 70%);filter:blur(8px)}

/* ============ 通用：暗卡片 ============ */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);transition:.35s var(--ease);position:relative;overflow:hidden}
.card:hover{border-color:rgba(var(--brand-rgb),.5);transform:translateY(-4px);background:var(--panel-2)}

/* ============ 解决方案/产品网格 ============ */
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sol{padding:34px 30px}
.sol .ico{width:56px;height:56px;border-radius:var(--r);background:rgba(var(--brand-rgb),.12);border:1px solid rgba(var(--brand-rgb),.25);display:grid;place-items:center;color:var(--brand);margin-bottom:24px}
.sol .ico svg{width:26px;height:26px}
.sol .idx{position:absolute;top:24px;right:26px;font:700 13px/1 var(--mono);color:var(--muted)}
.sol h3{font-size:21px;margin-bottom:12px}
.sol p{font-size:14.5px;color:var(--text)}
.sol .arrow{margin-top:22px;display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand)}
.sol .arrow svg{width:16px;height:16px;transition:transform .3s}
.sol:hover .arrow svg{transform:translateX(5px)}
.sol::after{content:"";position:absolute;left:0;top:0;width:100%;height:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.sol:hover::after{transform:scaleX(1)}

/* ============ 产品列表卡片 ============ */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.prod{display:block}
.prod .pic{aspect-ratio:4/3;background:var(--deep-2);overflow:hidden;position:relative}
.prod .pic img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.prod:hover .pic img{transform:scale(1.06)}
.prod .pic .badge{position:absolute;top:14px;left:14px;padding:5px 12px;background:rgba(8,17,33,.7);backdrop-filter:blur(6px);border:1px solid var(--line-2);font:600 11px/1 var(--mono);letter-spacing:1px;color:var(--brand)}
.prod .info{padding:22px 24px}
.prod .info h3{font-size:18px;margin-bottom:8px}
.prod .info .spec{font:500 13px/1.6 var(--mono);color:var(--muted)}
.prod .info .go{margin-top:18px;display:flex;align-items:center;justify-content:space-between;padding-top:16px;border-top:1px solid var(--line)}
.prod .info .go span{font-size:13px;color:var(--text)}
.prod .info .go svg{width:18px;height:18px;color:var(--brand);transition:transform .3s}
.prod:hover .info .go svg{transform:translateX(4px)}

/* ============ 数据带 ============ */
.metrics{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(var(--brand-rgb),.05),transparent)}
.metrics .ct{display:grid;grid-template-columns:repeat(4,1fr)}
.metrics li{padding:54px 28px;border-left:1px solid var(--line)}
.metrics li:first-child{border-left:0}
.metrics .n{font:800 48px/1 var(--mono);color:var(--ink)}
.metrics .n em{font-style:normal;color:var(--brand)}
.metrics p{margin-top:12px;color:var(--muted);font-size:14px}

/* ============ 关于 split ============ */
.about-split{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.about-vis{position:relative;aspect-ratio:1/1;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--deep-2)}
.about-vis img{width:100%;height:100%;object-fit:cover;opacity:.9}
.about-vis .chip{position:absolute;left:24px;bottom:24px;right:24px;background:rgba(8,17,33,.78);backdrop-filter:blur(8px);border:1px solid var(--line);padding:22px 24px;border-radius:var(--r)}
.about-vis .chip b{display:block;font:800 28px/1 var(--mono);color:var(--brand)}
.about-vis .chip span{font-size:13px;color:var(--text)}
.about-list{margin-top:30px;display:grid;gap:14px}
.about-list li{display:flex;gap:14px;align-items:flex-start;font-size:15px;color:var(--text)}
.about-list svg{width:22px;height:22px;color:var(--brand);flex:0 0 auto;margin-top:2px}

/* ============ 荣誉资质 ============ */
.honor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.honor-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px;transition:.3s var(--ease)}
.honor-item:hover{border-color:rgba(var(--brand-rgb),.5);transform:translateY(-4px)}
.honor-pic{aspect-ratio:4/3;border-radius:var(--r);overflow:hidden;background:var(--deep-2);display:flex;align-items:center;justify-content:center}
.honor-pic img{width:100%;height:100%;object-fit:contain;padding:8px}
.honor-item h3{margin-top:14px;font-size:15px;font-weight:600;color:var(--ink);text-align:center;line-height:1.5}
@media(max-width:900px){.honor-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:540px){.honor-grid{grid-template-columns:1fr}}

/* ============ 发展历程时间轴 ============ */
.timeline{position:relative;margin-top:10px;padding-left:0}
.timeline::before{content:"";position:absolute;left:120px;top:8px;bottom:8px;width:1px;background:var(--line)}
.tl-item{position:relative;display:grid;grid-template-columns:120px 1fr;gap:36px;padding:18px 0}
.tl-year{text-align:right;font:800 26px/1 var(--mono);color:var(--brand)}
.tl-body{position:relative;padding-left:30px}
.tl-body::before{content:"";position:absolute;left:-6px;top:6px;width:11px;height:11px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(var(--brand-rgb),.18)}
.tl-body p{color:var(--text);font-size:15px;line-height:1.8}
@media(max-width:640px){.timeline::before{left:8px}.tl-item{grid-template-columns:1fr;gap:6px;padding-left:32px}.tl-year{text-align:left}.tl-body{padding-left:0}.tl-body::before{left:-32px}}

/* ============ 合作伙伴 ============ */
.partner-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.partner-item{aspect-ratio:3/2;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);display:flex;align-items:center;justify-content:center;padding:16px;transition:.3s var(--ease)}
.partner-item:hover{border-color:rgba(var(--brand-rgb),.5);background:var(--panel-2)}
.partner-item img{max-width:100%;max-height:100%;object-fit:contain;filter:grayscale(1) brightness(1.6);opacity:.7;transition:.3s var(--ease)}
.partner-item:hover img{filter:none;opacity:1}
@media(max-width:900px){.partner-grid{grid-template-columns:repeat(4,1fr)}}
@media(max-width:540px){.partner-grid{grid-template-columns:repeat(3,1fr)}}

/* ============ 案例 ============ */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.case{display:block;position:relative;aspect-ratio:16/10;overflow:hidden;border-radius:var(--r-lg)}
.case img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.case:hover img{transform:scale(1.05)}
.case .ov{position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,17,33,.92) 0%,rgba(8,17,33,.1) 60%);display:flex;flex-direction:column;justify-content:flex-end;padding:30px}
.case .cat{font:600 12px/1 var(--mono);letter-spacing:1px;color:var(--brand);margin-bottom:10px}
.case h3{font-size:22px;color:#fff}

/* ============ 新闻 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news{padding:30px 28px;display:flex;flex-direction:column;height:100%}
.news time{font:600 13px/1 var(--mono);color:var(--brand);letter-spacing:1px}
.news h3{font-size:18px;margin:16px 0 12px}
.news p{font-size:14px;color:var(--muted);flex:1}
.news .rd{margin-top:20px;font-size:13px;color:var(--text);display:inline-flex;align-items:center;gap:8px}
.news .rd svg{width:15px;height:15px;color:var(--brand)}

/* ============ CTA 带 ============ */
.cta{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--r-lg);padding:64px 56px;text-align:center;background:linear-gradient(135deg,var(--panel),var(--deep-2))}
.cta::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 50% 0%,rgba(var(--brand-rgb),.22),transparent 70%)}
.cta>*{position:relative}
.cta h2{font-size:38px;letter-spacing:-.5px}
.cta p{margin:16px auto 32px;color:var(--text);max-width:560px}
.cta .acts{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ============ 页脚 ============ */
.ft{border-top:1px solid var(--line);background:var(--deep-2);padding:70px 0 0}
.ft-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:54px;border-bottom:1px solid var(--line)}
.ft-brand .logo{margin-bottom:20px}
.ft-brand p{font-size:14px;color:var(--muted);max-width:300px}
.ft-col h4{font-size:14px;color:var(--ink);margin-bottom:20px;letter-spacing:.5px}
.ft-col ul{display:grid;gap:12px}
.ft-col a{font-size:14px;color:var(--text)}
.ft-col a:hover{color:var(--brand)}
.ft-contact li{font-size:14px;color:var(--text);display:flex;gap:10px;margin-bottom:14px}
.ft-contact svg{width:17px;height:17px;color:var(--brand);flex:0 0 auto;margin-top:3px}
.ft-bottom{padding:24px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--muted)}
.ft-bottom a{color:var(--muted)}.ft-bottom a:hover{color:var(--brand)}

/* ============ 内页 banner ============ */
.pbanner{position:relative;padding:calc(var(--head-h) + 80px) 0 70px;border-bottom:1px solid var(--line);overflow:hidden}
.pbanner::before{content:"";position:absolute;right:-100px;top:-100px;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(var(--brand-rgb),.18),transparent 65%)}
.pbanner .tag{font:600 12px/1 var(--mono);letter-spacing:2px;color:var(--brand);text-transform:uppercase}
.pbanner h1{font-size:52px;letter-spacing:-1px;margin:18px 0 16px;color:var(--ink)}
.crumb{font-size:13px;color:var(--muted)}
.crumb a:hover{color:var(--brand)}

/* ============ 内页布局 ============ */
.inmain{padding:80px 0}
.list-layout{display:grid;grid-template-columns:260px 1fr;gap:40px;align-items:start}
.list-layout.rev{grid-template-columns:1fr 300px}
.side-box{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--panel);overflow:hidden;margin-bottom:24px}
.side-box h3{padding:20px 22px;font-size:16px;border-bottom:1px solid var(--line)}
.side-cat a{display:flex;align-items:center;justify-content:space-between;padding:14px 22px;font-size:14.5px;color:var(--text);border-bottom:1px solid var(--line)}
.side-cat a:last-child{border-bottom:0}
.side-cat a:hover,.side-cat a.on{background:rgba(var(--brand-rgb),.1);color:var(--brand)}
.side-cat a svg{width:15px;height:15px;opacity:.6}
.side-tree .lv2{font-weight:600;color:var(--ink)}
.side-sub{border-bottom:1px solid var(--line)}
.side-sub:last-child{border-bottom:0}
.side-sub .lv3{padding:11px 22px 11px 38px;font-size:13.5px;color:var(--muted);position:relative}
.side-sub .lv3::before{content:"";position:absolute;left:24px;top:50%;width:6px;height:1px;background:var(--line-2);transform:translateY(-50%)}
.side-sub .lv3:hover,.side-sub .lv3.on{color:var(--brand);background:rgba(var(--brand-rgb),.07)}

/* ============ 文章详情 ============ */
.article{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--panel);padding:46px}
.article h1{font-size:32px;letter-spacing:-.5px;margin-bottom:18px}
.article .meta{display:flex;gap:22px;padding-bottom:24px;margin-bottom:28px;border-bottom:1px solid var(--line);font:500 13px/1 var(--mono);color:var(--muted)}
.article .meta span{display:flex;align-items:center;gap:7px}
.article .meta svg{width:15px;height:15px;color:var(--brand)}
.article-body{color:var(--text);font-size:15.5px;line-height:1.9}
.article-body p{margin:0 0 18px}
.article-body h2,.article-body h3{color:var(--ink);margin:30px 0 14px}
.article-body img{border-radius:var(--r);margin:20px 0}
.prenext{margin-top:36px;padding-top:26px;border-top:1px solid var(--line);display:grid;gap:12px}
.prenext a,.prenext span{font-size:14px;color:var(--text)}
.prenext a:hover{color:var(--brand)}

/* ============ 图集列表 ============ */
.img-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.img-item{display:block;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--panel);transition:.35s var(--ease)}
.img-item:hover{border-color:rgba(var(--brand-rgb),.5);transform:translateY(-4px)}
.img-item .pic{aspect-ratio:4/3;overflow:hidden;background:var(--deep-2)}
.img-item .pic img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.img-item:hover .pic img{transform:scale(1.06)}
.img-item h3{font-size:16px;padding:18px 20px;color:var(--ink)}
@media(max-width:980px){.img-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.img-grid{grid-template-columns:1fr}}

/* ============ 图集相册 / 下载列表 ============ */
.album{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:8px}
.album img{width:100%;border:1px solid var(--line);border-radius:var(--r)}
@media(max-width:640px){.album{grid-template-columns:1fr}}
.dl-list{display:grid;gap:14px}
.dl-item{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 26px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--panel);transition:.3s var(--ease)}
.dl-item:hover{border-color:rgba(var(--brand-rgb),.5)}
.dl-item h3{font-size:17px;color:var(--ink)}
.dl-item .dl-meta{font:500 13px/1 var(--mono);color:var(--muted);margin-top:8px}
.dl-item .dl-btn{flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 20px;background:var(--grad);color:#04130d;border-radius:var(--r);font-weight:600;font-size:14px}
.dl-item .dl-btn svg{width:16px;height:16px}
@media(max-width:640px){.dl-item{flex-direction:column;align-items:flex-start}}

/* ============ 招聘列表 ============ */
.job-list{display:grid;gap:14px}
.job-item{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;padding:26px 30px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--panel);transition:.3s var(--ease)}
.job-item:hover{border-color:rgba(var(--brand-rgb),.5);transform:translateY(-3px)}
.job-item h3{font-size:19px;color:var(--ink);margin-bottom:10px}
.job-item .job-tags{display:flex;gap:10px;flex-wrap:wrap;font:500 13px/1 var(--mono);color:var(--muted)}
.job-item .job-tags span{display:inline-flex;align-items:center;gap:6px}
.job-item .job-go{flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--brand);font-weight:600}
.job-item .job-go svg{width:16px;height:16px;transition:transform .3s}
.job-item:hover .job-go svg{transform:translateX(4px)}
@media(max-width:640px){.job-item{grid-template-columns:1fr}}

/* ============ 留言页 ============ */
.gb-wrap{max-width:1040px;margin:0 auto;display:grid;grid-template-columns:340px 1fr;gap:30px;align-items:start}
.gb-info{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--panel);padding:40px}
.gb-contact{display:grid;gap:22px}
.gb-contact li{display:flex;align-items:flex-start;gap:14px}
.gb-contact .gb-ico{flex:0 0 auto;width:40px;height:40px;border-radius:var(--r);background:rgba(var(--brand-rgb),.12);display:grid;place-items:center}
.gb-contact .gb-ico svg{width:18px;height:18px;color:var(--brand)}
.gb-contact b{display:block;font-size:13px;color:var(--muted);font-weight:500;margin-bottom:4px}
.gb-contact span{font-size:15px;color:var(--ink);word-break:break-all}
@media(max-width:860px){.gb-wrap{grid-template-columns:1fr}}

/* ============ 新闻行式列表 ============ */
.nlist{display:grid;gap:18px}
.nrow{display:grid;grid-template-columns:280px 1fr;gap:28px;padding:24px;align-items:center}
.nrow .pic{aspect-ratio:16/10;overflow:hidden;border-radius:var(--r)}
.nrow .pic img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.nrow:hover .pic img{transform:scale(1.06)}
.nrow time{font:600 13px/1 var(--mono);color:var(--brand);letter-spacing:1px}
.nrow h3{font-size:21px;margin:12px 0 10px}
.nrow p{font-size:14.5px;color:var(--muted)}
.nrow .rd{margin-top:16px;display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text)}
.nrow .rd svg{width:15px;height:15px;color:var(--brand)}
@media(max-width:640px){.nrow{grid-template-columns:1fr;gap:16px}}

/* ============ 分页 ============ */
.pager{margin-top:48px;display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.pager a{min-width:42px;height:42px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--r);font:600 14px/1 var(--mono);color:var(--text);transition:all .25s var(--ease)}
/* 可点击页码 hover */
.pager a[href]:hover{background:rgba(var(--brand-rgb),.12);border-color:var(--brand);color:var(--brand)}
/* 当前页焦点高亮（EyouCMS 当前页结构为 a.pnnumN，N 为页码） */
.pager a[class*="pnnum"]{background:var(--brand);border-color:var(--brand);color:#04130d;box-shadow:0 6px 18px -6px rgba(var(--brand-rgb),.6);cursor:default}
/* 禁用态：无 href 的“首页/上一页”等 */
.pager a:not([href]):not([class*="pnnum"]){opacity:.4;cursor:not-allowed}

/* ============ 联系 ============ */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:40px}
.contact-card{padding:34px 30px}
.contact-card .ico{width:50px;height:50px;border-radius:var(--r);background:rgba(var(--brand-rgb),.12);border:1px solid rgba(var(--brand-rgb),.25);display:grid;place-items:center;color:var(--brand);margin-bottom:20px}
.contact-card .ico svg{width:23px;height:23px}
.contact-card h3{font-size:15px;color:var(--muted);font-weight:500;margin-bottom:8px}
.contact-card p{font:700 18px/1.4 var(--mono);color:var(--ink);word-break:break-all}
.form-wrap{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--panel);padding:40px}
.form-wrap .frow{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
.form-wrap label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px}
.form-wrap input,.form-wrap textarea{width:100%;height:48px;padding:0 16px;background:var(--deep-2);border:1px solid var(--line);border-radius:var(--r);color:var(--ink);transition:border-color .25s}
.form-wrap textarea{height:120px;padding:14px 16px;resize:vertical}
.form-wrap input:focus,.form-wrap textarea:focus{border-color:var(--brand)}
.form-wrap .full{grid-column:1/-1}

/* ============ 顶栏搜索按钮 ============ */
.tool-btn{width:42px;height:42px;border:1px solid var(--line-2);border-radius:var(--r);display:grid;place-items:center;color:var(--ink);transition:.25s var(--ease)}
.tool-btn:hover{border-color:var(--brand);color:var(--brand)}
.tool-btn svg{width:18px;height:18px}

/* ============ 搜索弹层 ============ */
.search-pop{position:fixed;top:0;left:0;width:100%;height:100%;z-index:2000;background:rgba(8,17,33,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:.3s var(--ease)}
.search-pop.open{opacity:1;visibility:visible}
.search-pop form{display:flex;width:92%;max-width:680px;border-bottom:2px solid var(--brand)}
.search-pop input{flex:1;height:64px;font-size:22px;color:var(--ink);background:transparent}
.search-pop button[type=submit]{width:64px;height:64px;display:grid;place-items:center;color:var(--brand)}
.search-pop button[type=submit] svg{width:26px;height:26px}
.search-close{position:absolute;top:30px;right:36px;width:48px;height:48px;font-size:34px;line-height:1;color:var(--muted);border:1px solid var(--line);border-radius:var(--r)}
.search-close:hover{color:var(--brand);border-color:var(--brand)}

/* ============ 侧边快捷工具 ============ */
.side-tools{position:fixed;right:20px;bottom:36px;z-index:900;display:flex;flex-direction:column;gap:10px}
.side-tools a{position:relative;width:48px;height:48px;display:grid;place-items:center;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);color:var(--text);transition:.25s var(--ease)}
.side-tools a:hover{background:var(--brand);border-color:var(--brand);color:#04130d}
.side-tools a svg{width:22px;height:22px}
.side-tools .tel-pop{position:absolute;right:58px;top:50%;transform:translateY(-50%);white-space:nowrap;padding:8px 14px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);font:700 15px/1 var(--mono);color:var(--brand);opacity:0;visibility:hidden;transition:.25s var(--ease)}
.side-tools .st-tel:hover .tel-pop{opacity:1;visibility:visible;color:var(--brand)}
#backTop{opacity:0;visibility:hidden}
#backTop.show{opacity:1;visibility:visible}

/* ============ 滚动出现动效 ============ */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .hero h1{font-size:54px}
  .hero-orbit{display:none}
  .shead h2{font-size:34px}
}
@media (max-width:980px){
  .nav,.hd-tel{display:none}
  .nav-toggle{display:grid}
  .nav.mobile-open>li{border-bottom:1px solid var(--line);position:relative}
  .nav.mobile-open>li:last-child{border-bottom:0}
  .nav.mobile-open>li>a{height:auto;padding:15px 16px;font-size:16px}
  .nav.mobile-open>li>a::after{display:none}
  .nav.mobile-open .sub-toggle{display:grid;position:absolute;top:0;right:0;width:54px;height:51px;place-items:center;background:transparent;border:0;border-left:1px solid var(--line);color:var(--text)}
  .nav.mobile-open .sub-toggle svg{width:18px;height:18px;transition:transform .3s ease}
  .nav.mobile-open>li.open .sub-toggle{color:var(--brand)}
  .nav.mobile-open>li.open .sub-toggle svg{transform:rotate(180deg)}
  .nav.mobile-open .sub{position:static;opacity:1;visibility:visible;transform:none;min-width:0;width:100%;background:rgba(var(--brand-rgb),.05);border:0;box-shadow:none;display:none;padding:0}
  .nav.mobile-open>li.open .sub{display:block;border-top:1px solid var(--line);padding:4px 0}
  .nav.mobile-open .sub li a{padding:12px 16px 12px 32px;font-size:14.5px;position:relative}
  .nav.mobile-open .sub li a::before{content:"–";position:absolute;left:16px;color:var(--muted)}
  .sol-grid,.prod-grid,.news-grid,.contact-grid{grid-template-columns:repeat(2,1fr)}
  .metrics .ct{grid-template-columns:repeat(2,1fr)}
  .metrics li:nth-child(-n+2){border-top:0}
  .metrics li:nth-child(odd){border-left:0}
  .about-split{grid-template-columns:1fr;gap:40px}
  .list-layout,.list-layout.rev{grid-template-columns:1fr}
  .ft-top{grid-template-columns:1fr 1fr;gap:32px}
  .case-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  .sec{padding:72px 0}
  .hero{padding-top:calc(var(--head-h) + 24px)}
  .hero h1{font-size:38px;letter-spacing:-.5px}
  .hero .lead{font-size:16px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .sol-grid,.prod-grid,.news-grid,.contact-grid,.form-wrap .frow{grid-template-columns:1fr}
  .metrics .ct{grid-template-columns:1fr}
  .metrics li{border-left:0;border-top:1px solid var(--line);padding:34px 20px}
  .metrics li:first-child{border-top:0}
  .shead h2{font-size:28px}
  .pbanner h1{font-size:34px}
  .article{padding:26px}
  .cta{padding:44px 24px}
  .cta h2{font-size:26px}
  .ft-top{grid-template-columns:1fr}
}

/* 联系我们·公司信息板 */
.contact-side{display:flex}
.contact-board{width:100%;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--panel);padding:40px;display:flex;flex-direction:column}
.cb-list{display:grid;gap:18px;margin-bottom:24px}
.cb-list li{display:flex;flex-direction:column;gap:6px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.cb-list li:last-child{border-bottom:0;padding-bottom:0}
.cb-k{font-size:13px;color:var(--muted)}
.cb-v{font-size:16px;color:var(--ink);word-break:break-all}
.cb-tip{margin-top:auto;font-size:13.5px;line-height:1.8;color:var(--muted)}

/* 首页·常见问题 */
.idx-faq{max-width:900px;margin:0 auto;display:grid;gap:14px}
.idx-faq-item{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--panel);overflow:hidden;transition:border-color .3s ease}
.idx-faq-item.on{border-color:var(--brand)}
.idx-faq-q{display:flex;align-items:center;gap:14px;padding:20px 24px;cursor:pointer;user-select:none}
.idx-faq-mark{flex:0 0 auto;width:30px;height:30px;border-radius:var(--r);background:var(--grad);color:#04130d;font:800 14px/30px var(--mono);text-align:center}
.idx-faq-q h3{flex:1;font-size:16px;font-weight:600;color:var(--ink);margin:0;line-height:1.5}
.idx-faq-arrow{flex:0 0 auto;width:12px;height:12px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);transition:transform .3s ease;margin-top:-4px}
.idx-faq-item.on .idx-faq-arrow{transform:rotate(-135deg);margin-top:3px;border-color:var(--brand)}
.idx-faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.idx-faq-item.on .idx-faq-a{max-height:500px}
.idx-faq-a-in{padding:0 24px 22px 68px;font-size:14.5px;line-height:1.8;color:var(--text)}
@media(max-width:600px){.idx-faq-q{padding:16px}.idx-faq-a-in{padding:0 16px 18px 16px}}

/* 产品详情·左侧图集切换 */
.pdt-gallery{display:flex;flex-direction:column;gap:14px}
.pdt-stage{position:relative;aspect-ratio:4/3;background:var(--deep-2);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;display:flex;align-items:center;justify-content:center}
.pdt-stage img{width:100%;height:100%;object-fit:cover;display:block;transition:opacity .3s ease}
.pdt-thumbs{display:flex;gap:12px;flex-wrap:wrap}
.pdt-thumb{position:relative;width:84px;height:84px;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;cursor:pointer;flex:0 0 auto;transition:border-color .25s ease,transform .25s ease;opacity:.7}
.pdt-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.pdt-thumb:hover{opacity:1;transform:translateY(-2px)}
.pdt-thumb.active{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand);opacity:1}
@media (max-width:768px){
  .pdt-thumb{width:64px;height:64px}
}
/* 视频列表 */
.vid-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.vid-item{display:block;background:var(--card,#fff);border:1px solid rgba(0,0,0,.06);border-radius:14px;overflow:hidden;text-decoration:none;transition:transform .35s ease,box-shadow .35s ease}
.vid-item:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(0,0,0,.12)}
.vid-item .pic{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:#0c1622}
.vid-item .pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.vid-item:hover .pic img{transform:scale(1.06)}
.vid-item .play-ico{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:64px;height:64px;border-radius:50%;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;transition:background .3s ease}
.vid-item .play-ico svg{width:30px;height:30px;color:#fff;margin-left:3px}
.vid-item:hover .play-ico{background:var(--brand,#16a34a)}
.vid-item h3{font-size:18px;color:var(--ink,#1b2733);font-weight:600;margin:0;padding:18px 20px;line-height:1.5}
.mvp-modal{position:fixed;inset:0;z-index:9999;display:none}
.mvp-modal.show{display:block}
.mvp-mask{position:absolute;inset:0;background:rgba(8,15,24,.82)}
.mvp-box{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:min(900px,92vw)}
.mvp-close{position:absolute;right:-6px;top:-44px;width:38px;height:38px;line-height:36px;text-align:center;font-size:28px;color:#fff;text-decoration:none;border-radius:50%;background:rgba(255,255,255,.12)}
.mvp-close:hover{background:rgba(255,255,255,.25)}
.mvp-title{color:#fff;font-size:18px;margin-bottom:12px}
.mvp-video{width:100%;max-height:72vh;background:#000;border-radius:10px;display:block}
@media (max-width:992px){.vid-grid{grid-template-columns:repeat(2,1fr);gap:18px}}
@media (max-width:600px){.vid-grid{grid-template-columns:1fr}.vid-item .play-ico{width:54px;height:54px}}
/* 视频内页 */
.vid-player{width:100%;max-width:960px;margin:0 auto 28px;background:#000;border-radius:14px;overflow:hidden;box-shadow:0 18px 40px rgba(0,0,0,.18)}
.vid-player video{width:100%;display:block;background:#000;aspect-ratio:16/9}
.vid-novideo{width:100%;max-width:960px;margin:0 auto 28px;aspect-ratio:16/9;border-radius:14px;background:#0c1622 center/cover no-repeat;display:flex;align-items:center;justify-content:center;color:#9fb0c0;font-size:16px}
/* faq */
.faq-wrap{max-width:920px;margin:0 auto;display:grid;gap:16px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--panel);overflow:hidden;transition:border-color .3s ease}
.faq-item.on{border-color:var(--brand)}
.faq-q{display:flex;align-items:center;gap:16px;padding:22px 26px;cursor:pointer;user-select:none}
.faq-mark{flex:0 0 auto;width:32px;height:32px;border-radius:var(--r);background:var(--grad);color:#04130d;font:800 15px/32px var(--mono);text-align:center}
.faq-q h3{flex:1;font-size:17px;font-weight:600;color:var(--ink);margin:0;line-height:1.5}
.faq-arrow{flex:0 0 auto;width:14px;height:14px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);transition:transform .3s ease;margin-top:-4px}
.faq-item.on .faq-arrow{transform:rotate(-135deg);margin-top:4px;border-color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-item.on .faq-a{max-height:600px}
.faq-a-in{padding:0 26px 24px 74px;font-size:15px;line-height:1.85;color:var(--text)}
@media(max-width:600px){.faq-q{padding:18px 18px}.faq-a-in{padding:0 18px 20px 18px}}