:root{
  --ink:#12161c; --ink2:#1b222b; --steel:#2a3441;
  --line:rgba(255,255,255,.10);
  --paper:#0c0f13;
  --txt:#e9edf2; --dim:#9aa6b4;
  --amber:#ff8a1f; --amber2:#ffb545;
  --radius:14px;
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--paper);color:var(--txt);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  line-height:1.75;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{width:min(var(--maxw),92vw);margin:0 auto;}

/* ---------- 顶栏 ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(12,15,19,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:28px;height:66px;}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:.06em;font-size:17px;}
.logo .mark{
  width:30px;height:30px;border-radius:8px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--amber),#ff5a00);
  display:grid;place-items:center;color:#1a1000;font-size:15px;font-weight:900;
}
.nav .links{display:flex;gap:22px;margin-left:auto;font-size:14px;color:var(--dim);}
.nav .links a:hover{color:var(--amber2);}
.nav .tel{
  font-size:14px;font-weight:700;color:var(--amber2);white-space:nowrap;
  border:1px solid rgba(255,138,31,.45);border-radius:999px;padding:6px 14px;
}
@media(max-width:820px){.nav .links{display:none;}}

/* ---------- 首屏 ---------- */
.hero{position:relative;overflow:hidden;padding:92px 0 76px;border-bottom:1px solid var(--line);}
.hero::before{
  content:"";position:absolute;inset:-30% -10% auto -10%;height:120%;
  background:
    radial-gradient(46% 60% at 18% 12%,rgba(255,138,31,.20),transparent 70%),
    radial-gradient(40% 55% at 82% 0%,rgba(70,130,255,.16),transparent 72%);
  pointer-events:none;
}
.hero .inner{position:relative;}
.kicker{
  display:inline-block;font-size:12px;letter-spacing:.42em;text-transform:uppercase;
  color:var(--amber2);border:1px solid rgba(255,138,31,.4);border-radius:999px;
  padding:6px 14px 6px 16px;margin-bottom:26px;
}
h1{font-size:clamp(34px,5.4vw,62px);line-height:1.15;font-weight:900;letter-spacing:-.01em;}
h1 em{font-style:normal;color:var(--amber);}
.hero p.lead{margin-top:22px;max-width:44ch;color:var(--dim);font-size:clamp(15px,1.5vw,17px);}
.hero .btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.btn{
  display:inline-flex;align-items:center;gap:9px;border-radius:999px;padding:13px 24px;
  font-size:14px;font-weight:700;letter-spacing:.04em;transition:.25s;cursor:pointer;border:0;
}
.btn.p{background:linear-gradient(135deg,var(--amber),#ff5f00);color:#160c00;}
.btn.p:hover{transform:translateY(-2px);box-shadow:0 12px 28px -12px rgba(255,138,31,.9);}
.btn.g{background:transparent;color:var(--txt);border:1px solid var(--line);}
.btn.g:hover{border-color:rgba(255,138,31,.6);color:var(--amber2);}

/* 数字条 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:58px;}
.stats div{border-left:2px solid rgba(255,138,31,.55);padding-left:14px;}
.stats b{display:block;font-size:clamp(20px,2.4vw,28px);font-weight:900;letter-spacing:-.01em;}
.stats span{font-size:13px;color:var(--dim);}
@media(max-width:720px){.stats{grid-template-columns:repeat(2,1fr);row-gap:22px;}}

/* ---------- 板块 ---------- */
section{padding:78px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:38px;}
.sec-head h2{font-size:clamp(24px,3vw,34px);font-weight:900;letter-spacing:-.01em;}
.sec-head p{color:var(--dim);font-size:14px;max-width:48ch;}
.num{font-size:12px;letter-spacing:.4em;color:var(--amber);text-transform:uppercase;margin-bottom:10px;}

.grid5{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px;}
.card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.012));
  border:1px solid var(--line);border-radius:var(--radius);transition:.3s;
}
.card:hover{transform:translateY(-4px);border-color:rgba(255,138,31,.45);box-shadow:0 24px 46px -30px #000;}
/* 模型图占位 */
.ph{
  position:relative;aspect-ratio:16/10;background:
    repeating-linear-gradient(45deg,rgba(255,255,255,.028) 0 12px,transparent 12px 24px),
    linear-gradient(160deg,#1a212a,#0f141a);
  border-bottom:1px solid var(--line);
  display:grid;place-items:center;text-align:center;color:#5d6a79;font-size:13px;letter-spacing:.2em;
}
.ph::after{
  content:"模型图待放 · 建议 1600×1000 透明底 PNG";
  position:absolute;bottom:10px;left:0;right:0;font-size:11px;letter-spacing:.12em;color:#4a5563;
}
.ph .kx{font-size:30px;color:#3b4756;letter-spacing:.1em;}
.card .body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1;}
.card .tag{font-size:11px;letter-spacing:.28em;color:var(--amber);text-transform:uppercase;}
.card h3{font-size:19px;font-weight:800;letter-spacing:.01em;}
.card p{font-size:13.5px;color:var(--dim);}
.card .go{
  margin-top:auto;padding-top:16px;font-size:13px;font-weight:700;color:var(--amber2);
  display:flex;align-items:center;gap:7px;letter-spacing:.08em;
}
.card:hover .go{gap:12px;}

/* ---------- 联系 ---------- */
.contact{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(255,138,31,.05),transparent 60%);}
.cbox{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:start;}
@media(max-width:860px){.cbox{grid-template-columns:1fr;}}
.citem{display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed rgba(255,255,255,.12);}
.citem:last-child{border-bottom:0;}
.citem .ico{
  width:40px;height:40px;flex:0 0 auto;border-radius:11px;display:grid;place-items:center;
  background:rgba(255,138,31,.13);color:var(--amber2);font-size:17px;
}
.citem b{display:block;font-size:12px;letter-spacing:.24em;color:#7d8a99;text-transform:uppercase;margin-bottom:3px;}
.citem .v{font-size:17px;font-weight:700;letter-spacing:.02em;word-break:break-all;}
.citem .v a:hover{color:var(--amber2);}
.note{font-size:12.5px;color:#6f7b8a;margin-top:14px;line-height:1.9;}

/* ---------- 页脚 ---------- */
footer{padding:34px 0 44px;border-top:1px solid var(--line);color:#65707d;font-size:12.5px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;}
footer a:hover{color:var(--amber2);}

/* ---------- 分页 ---------- */
.crumb{font-size:13px;color:var(--dim);padding-top:26px;}
.crumb a:hover{color:var(--amber2);}
.crumb span{opacity:.5;margin:0 8px;}
.phead{padding:26px 0 10px;}
.phead h1{font-size:clamp(28px,4.4vw,46px);}
.phead .lead{margin-top:18px;max-width:60ch;color:var(--dim);font-size:15px;}

.model{
  display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;margin-bottom:26px;background:rgba(255,255,255,.02);
}
@media(max-width:860px){.model{grid-template-columns:1fr;}}
.model .left{padding:24px;display:flex;flex-direction:column;gap:14px;}
.model .mname{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;}
.model .mname h3{font-size:21px;font-weight:800;}
.model .mname .code{font-size:12px;letter-spacing:.2em;color:var(--amber);}
.specs{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px 18px;margin-top:2px;}
.specs div{border-left:2px solid rgba(255,255,255,.12);padding-left:10px;}
.specs b{display:block;font-size:11px;letter-spacing:.16em;color:#7d8a99;font-weight:600;}
.specs span{font-size:14px;}
.model .desc{font-size:13.5px;color:var(--dim);}
.price{
  margin-top:auto;display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  border-top:1px dashed rgba(255,255,255,.12);padding-top:16px;
}
.price .lbl{font-size:11px;letter-spacing:.24em;color:#7d8a99;text-transform:uppercase;}
.price .val{font-size:22px;font-weight:900;color:var(--amber2);letter-spacing:.02em;}
.price .val small{font-size:12px;font-weight:500;color:#8a97a6;margin-left:6px;letter-spacing:.06em;}
.price .ask{margin-left:auto;font-size:12.5px;color:#8a97a6;}

.video{
  position:relative;background:#0a0d11;border-left:1px solid var(--line);
  display:grid;place-items:center;text-align:center;color:#5d6a79;min-height:280px;
}
@media(max-width:860px){.video{border-left:0;border-top:1px solid var(--line);}}
.video .play{
  width:58px;height:58px;border-radius:50%;display:grid;place-items:center;
  border:1.5px solid rgba(255,255,255,.22);color:#93a1b1;font-size:20px;margin:0 auto 14px;
}
.video .vt{font-size:13px;letter-spacing:.14em;}
.video .vs{font-size:11.5px;color:#4d5866;margin-top:8px;letter-spacing:.06em;}

/* CTA 条 */
.cta{
  margin:56px 0 0;border:1px solid rgba(255,138,31,.35);border-radius:var(--radius);
  background:linear-gradient(120deg,rgba(255,138,31,.12),rgba(255,138,31,.02));
  padding:26px 28px;display:flex;align-items:center;gap:20px;flex-wrap:wrap;justify-content:space-between;
}
.cta h3{font-size:19px;font-weight:800;}
.cta p{font-size:13px;color:var(--dim);margin-top:6px;}

.empty{padding:60px 0;color:var(--dim);font-size:14px;}

/* ---------- 客户现场视频 ---------- */
.vgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;}
.vcard{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#0a0d11;}
.vcard .vid{position:relative;aspect-ratio:16/9;display:grid;place-items:center;text-align:center;color:#5d6a79;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.02) 0 12px,transparent 12px 24px),#0c1015;}
.vcard .vid .play{width:50px;height:50px;border-radius:50%;display:grid;place-items:center;
  border:1.5px solid rgba(255,255,255,.2);color:#93a1b1;font-size:17px;margin:0 auto 10px;}
.vcard .cap{padding:14px 16px 16px;}
.vcard .cap h4{font-size:14.5px;font-weight:700;}
.vcard .cap p{font-size:12.5px;color:#7d8a99;margin-top:4px;}
.vcard video{width:100%;display:block;}

/* ---------- 厂房环境 ---------- */
.factory{padding-top:0;}
.gal{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;}
.gitem{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#0a0d11;transition:.3s;}
.gitem:hover{transform:translateY(-4px);border-color:rgba(255,138,31,.45);box-shadow:0 24px 46px -30px #000;}
.gitem .ph{aspect-ratio:4/3;border-bottom:1px solid var(--line);}
.gal .ph::after{content:"厂房照片待放 · 建议 1600×1200 JPG";}
.gitem .ph .kx{font-size:20px;letter-spacing:.16em;}
.gcap{padding:13px 16px 15px;font-size:13px;color:var(--dim);letter-spacing:.04em;}
.factxt{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:22px;}
.fitem{border-left:2px solid var(--amber);padding:2px 0 2px 14px;}
.fitem b{display:block;font-size:14.5px;letter-spacing:.04em;}
.fitem span{display:block;margin-top:6px;font-size:13px;color:var(--dim);line-height:1.85;}