/* ===== 穆垚科技 site-v2 极简深色科技风 ===== */
:root{
  --bg:#070a12; --bg2:#0b1020; --panel:#0e1526; --panel2:#111a30;
  --line:rgba(120,160,220,.14); --txt:#e8eef9; --muted:#9fb0cc;
  --cyan:#2dd4ff; --violet:#7c6cff; --grad:linear-gradient(120deg,#2dd4ff,#7c6cff);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--txt);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px}

/* NAV */
.nav{position:sticky;top:0;z-index:50;background:rgba(7,10,18,.82);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-weight:800;font-size:20px;letter-spacing:.5px;color:var(--txt)}
.logo b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;gap:34px;font-size:15px;color:var(--muted)}
.nav-links a:hover{color:var(--txt)}
.nav-cta{padding:9px 18px;border:1px solid var(--line);border-radius:999px;font-size:14px;color:var(--txt);transition:.2s}
.nav-cta:hover{border-color:var(--cyan);color:var(--cyan)}

/* HERO */
.hero{position:relative;padding:120px 0 96px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;
  background:radial-gradient(700px 380px at 78% 8%,rgba(45,212,255,.16),transparent 60%),
             radial-gradient(620px 360px at 12% 92%,rgba(124,108,255,.16),transparent 60%);}
.hero .wrap{position:relative}
.tag{display:inline-block;font-size:13px;color:var(--cyan);border:1px solid var(--line);
  padding:5px 14px;border-radius:999px;margin-bottom:22px;letter-spacing:1px}
.hero h1{font-size:54px;line-height:1.18;font-weight:800;letter-spacing:.5px;max-width:15em}
.hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{margin-top:22px;font-size:18px;color:var(--muted);max-width:36em}
.hero-btns{margin-top:38px;display:flex;gap:16px;flex-wrap:wrap}
.btn{padding:14px 28px;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer;display:inline-block;transition:.2s}
.btn-primary{background:var(--grad);color:#04101c}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{border:1px solid var(--line);color:var(--txt)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}

/* SECTION */
section{padding:84px 0}
.sec-head{margin-bottom:46px}
.sec-kicker{font-size:13px;letter-spacing:2px;color:var(--cyan);text-transform:uppercase}
.sec-title{font-size:34px;font-weight:800;margin-top:10px}
.sec-desc{color:var(--muted);margin-top:12px;max-width:42em}

/* ABOUT + STATS */
.about-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center}
.about-text p{color:var(--muted);font-size:16px}
.about-text b{color:var(--txt)}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px}
.stat .num{font-size:30px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .lab{color:var(--muted);font-size:14px;margin-top:4px;line-height:1.4}

/* SERVICES */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);
  border-radius:18px;padding:30px;transition:.25s}
.svc:hover{transform:translateY(-4px);border-color:rgba(45,212,255,.5);box-shadow:0 14px 40px rgba(45,212,255,.12)}
.svc .ic{width:46px;height:46px;border-radius:12px;background:var(--grad);opacity:.9;margin-bottom:18px}
.svc h3{font-size:20px;margin-bottom:10px}
.svc p{color:var(--muted);font-size:15px}
.svc .more{display:inline-block;margin-top:16px;color:var(--cyan);font-size:14px}
.svc-detail{padding:18px 0 8px;border-top:1px solid var(--line);margin-top:18px}
.svc-detail ul{list-style:none;display:grid;gap:10px}
.svc-detail li{color:var(--muted);font-size:15px;padding-left:22px;position:relative}
.svc-detail li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--grad)}
.svc-detail li b{color:var(--txt)}

/* CASES */
.case-row{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:26px;transition:.25s}
.case:hover{border-color:rgba(45,212,255,.4)}
.case .t{font-size:17px;font-weight:700;margin-bottom:8px}
.case .d{color:var(--muted);font-size:14px}
.case .tagline{display:inline-block;font-size:12px;color:var(--cyan);border:1px solid var(--line);padding:3px 10px;border-radius:999px;margin-bottom:12px}

/* CTA */
.cta{background:linear-gradient(120deg,rgba(45,212,255,.12),rgba(124,108,255,.12));
  border:1px solid var(--line);border-radius:22px;padding:56px;text-align:center;margin:0 0 84px}
.cta h2{font-size:30px;font-weight:800}
.cta p{color:var(--muted);margin-top:12px}
.cta .phone{margin-top:24px;font-size:22px;font-weight:800;color:var(--cyan)}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-info .row{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.contact-info .row .k{color:var(--muted);min-width:84px}
.contact-info .row .v{color:var(--txt)}
.contact-info .row .v a{color:var(--cyan)}
.info-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:32px}
.info-card h3{font-size:20px;margin-bottom:14px}
.info-card p{color:var(--muted);font-size:15px;margin-bottom:18px}
.info-card .big{font-size:26px;font-weight:800;color:var(--cyan)}

/* FOOTER */
.footer{border-top:1px solid var(--line);padding:46px 0 30px;margin-top:20px}
.foot-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
.foot-logo{font-weight:800;font-size:20px;margin-bottom:12px}
.footer address{color:var(--muted);font-size:14px;line-height:1.7;font-style:normal}
.foot-links{display:flex;flex-direction:column;gap:10px;font-size:14px}
.foot-links a{color:var(--muted)}
.foot-links a:hover{color:var(--txt)}
.foot-title{color:var(--txt);font-weight:700;margin-bottom:4px;font-size:14px}
.foot-copy{margin-top:34px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:13px}
.foot-copy a{color:var(--cyan)}

/* ARTICLE LIST (news) */
.post-list{display:grid;gap:18px}
.post-item{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:26px;transition:.2s}
.post-item:hover{border-color:rgba(45,212,255,.4)}
.post-item h3{font-size:20px;margin-bottom:10px}
.post-item h3 a:hover{color:var(--cyan)}
.post-item .ex{color:var(--muted);font-size:15px;margin-bottom:12px}
.post-item .meta{color:var(--muted);font-size:13px;display:flex;gap:16px;flex-wrap:wrap}
.post-item .cat{color:var(--cyan)}

/* ARTICLE DETAIL */
.post{max-width:820px;margin:0 auto}
.post-head{text-align:center;padding:90px 0 36px}
.post-head .tag{margin-bottom:16px}
.post-head h1{font-size:38px;font-weight:800;line-height:1.25}
.post-head .meta{color:var(--muted);font-size:14px;margin-top:16px}
.post-body{font-size:17px;line-height:1.85;color:#d4dded}
.post-body h2{font-size:26px;margin:38px 0 14px;color:var(--txt)}
.post-body h3{font-size:20px;margin:28px 0 10px;color:var(--txt)}
.post-body p{margin:14px 0}
.post-body ul,.post-body ol{margin:14px 0 14px 22px;color:#d4dded}
.post-body li{margin:8px 0}
.post-body strong{color:var(--txt)}
.post-body blockquote{margin:20px 0;padding:14px 20px;border-left:3px solid var(--cyan);
  background:var(--panel);border-radius:0 10px 10px 0;color:var(--muted)}
.post-nav{display:flex;justify-content:space-between;gap:16px;margin:48px 0 20px;flex-wrap:wrap}
.post-nav a{padding:12px 18px;border:1px solid var(--line);border-radius:12px;color:var(--muted);font-size:14px}
.post-nav a:hover{border-color:var(--cyan);color:var(--cyan)}

@media(max-width:860px){
  .hero h1{font-size:34px}
  .nav-inner{flex-wrap:wrap;height:auto;padding:12px 0;row-gap:8px}
  .nav-links{order:3;width:100%;justify-content:center;gap:18px;font-size:13px}
  .nav-cta{font-size:13px;padding:7px 14px}
  .about-grid,.svc-grid,.case-row,.contact-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .cta{padding:36px 22px}
  .foot-inner{grid-template-columns:1fr;gap:24px}
  .sec-title{font-size:28px}
  .post-head h1{font-size:28px}
}