/* ============ Reset & Base ============ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:#070b1a;color:#e6edf7;line-height:1.7;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
:root{
  --blue:#2f5cff;--cyan:#00c2a8;--purple:#7b5cff;
  --g1:linear-gradient(135deg,#2f5cff 0%,#00c2a8 100%);
  --g2:linear-gradient(135deg,#7b5cff 0%,#2f5cff 100%);
  --card:rgba(255,255,255,.04);--line:rgba(255,255,255,.08);
}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
section{padding:96px 0;position:relative}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:3px;color:var(--cyan);
  text-transform:uppercase;margin-bottom:14px;font-weight:600}
.h2{font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.25;margin-bottom:16px}
.h2 .hl{background:var(--g1);-webkit-background-clip:text;background-clip:text;color:transparent}
.sub{color:#aab4c5;font-size:16px;max-width:720px;margin:0 auto 48px}
/* ============ Nav ============ */
nav{position:fixed;top:0;left:0;right:0;z-index:100;backdrop-filter:blur(14px);
  background:rgba(7,11,26,.72);border-bottom:1px solid var(--line)}
.nav-in{max-width:1200px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between}
.logo{font-size:22px;font-weight:900;letter-spacing:1px;display:flex;align-items:center;gap:9px}
.logo .dot{width:26px;height:26px;border-radius:8px;background:var(--g1);
  display:inline-block;box-shadow:0 4px 18px rgba(47,92,255,.5)}
.links{display:flex;gap:28px}
.links a{font-size:14px;color:#c9d2e2;position:relative;transition:.25s;font-weight:500}
.links a:hover{color:#fff}
.links a.active{color:#fff}
.links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-7px;height:2px;background:var(--g1);border-radius:2px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;
  border:none;cursor:pointer;border-radius:10px;transition:.3s;font-size:14px;white-space:nowrap}
.btn-primary{background:var(--g1);color:#fff;padding:11px 22px;box-shadow:0 8px 24px rgba(47,92,255,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(47,92,255,.5)}
.btn-ghost{background:transparent;color:#e6edf7;border:1px solid var(--line);padding:10px 20px}
.btn-ghost:hover{border-color:var(--blue);color:#fff}
.menu-btn{display:none;background:none;border:none;color:#fff;font-size:26px;cursor:pointer}
/* ============ Hero ============ */
.hero{padding:150px 0 100px;overflow:hidden;position:relative}
.hero::before{content:"";position:absolute;inset:0;
  background:radial-gradient(900px 500px at 80% 10%,rgba(47,92,255,.28),transparent 60%),
  radial-gradient(700px 460px at 10% 60%,rgba(0,194,168,.18),transparent 60%);z-index:0}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(34px,4.6vw,58px);font-weight:900;line-height:1.15;margin-bottom:22px}
.hero h1 .grad{background:var(--g1);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:#b7c0d2;font-size:17px;margin-bottom:30px;max-width:540px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.hero-stats{display:flex;gap:34px;flex-wrap:wrap}
.hs{text-align:left}
.hs .num{font-size:30px;font-weight:900;background:var(--g1);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.hs .lab{font-size:12.5px;color:#97a2b5;margin-top:6px;letter-spacing:.5px}
.hero-card{position:relative;border-radius:26px;overflow:hidden;border:1px solid var(--line);
  background:rgba(15,21,42,.6);box-shadow:0 30px 80px rgba(0,0,0,.45)}
.hero-card img{width:100%;height:auto;display:block}
.hero-card .badge{position:absolute;top:18px;left:18px;background:rgba(7,11,26,.72);
  backdrop-filter:blur(6px);border:1px solid var(--line);color:#fff;font-size:12px;
  padding:7px 13px;border-radius:20px;font-weight:600}
/* ============ Stats Banner ============ */
.stats{background:linear-gradient(180deg,rgba(47,92,255,.08),transparent);padding:64px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;text-align:center}
.stat .n{font-size:clamp(30px,3.6vw,46px);font-weight:900;background:var(--g1);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.stat .l{color:#aab4c5;font-size:14.5px;margin-top:8px}
/* ============ Section head ============ */
.head{text-align:center;margin-bottom:52px}
.head .h2{max-width:820px;margin-left:auto;margin-right:auto}
/* ============ Product Matrix ============ */
.matrix{background:rgba(255,255,255,.015)}
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:20px}
.pcard{position:relative;background:var(--card);border:1px solid var(--line);border-radius:18px;
  padding:26px 22px;transition:.35s;overflow:hidden;display:flex;flex-direction:column;height:100%}
.pcard:hover{transform:translateY(-6px);border-color:rgba(47,92,255,.5);
  box-shadow:0 18px 50px rgba(47,92,255,.22)}
.pcard .ico{width:46px;height:46px;border-radius:12px;background:var(--g1);display:flex;
  align-items:center;justify-content:center;font-size:21px;margin-bottom:16px;color:#fff;font-weight:900;flex-shrink:0}
.pcard h3{font-size:17px;font-weight:800;margin-bottom:8px;line-height:1.35}
.pcard p{font-size:13px;color:#9aa4b6;line-height:1.6;margin-top:auto}
/* ============ Nine-in-One ============ */
.nine{position:relative}
.nine::before{content:"";position:absolute;inset:0;
  background:radial-gradient(800px 400px at 50% 0%,rgba(0,194,168,.12),transparent 60%)}
.nwrap{position:relative}
.nmain{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin-bottom:44px}
.nmain img{border-radius:22px;border:1px solid var(--line);box-shadow:0 24px 70px rgba(0,0,0,.4)}
.ntext h3{font-size:24px;font-weight:800;margin:14px 0 10px}
.ntext p{color:#aab4c5;font-size:15px}
.nlist{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}
.nitem{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 8px;text-align:center;transition:.3s}
.nitem:hover{border-color:rgba(0,194,168,.5);transform:translateY(-4px)}
.nitem .ic{font-size:22px;margin-bottom:6px}
.nitem .t{font-size:13px;font-weight:700}
.nitem .d{font-size:11px;color:#8d97aa;margin-top:3px}
.nflow{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:8px}
.nf{flex:1;min-width:150px;background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:18px;text-align:center}
.nf .t{font-weight:800;font-size:15px;margin-bottom:6px}
.nf .d{font-size:12.5px;color:#97a2b5}
.narr{color:var(--cyan);font-size:22px;font-weight:900}
/* ============ Tags ============ */
.tagssec{padding:72px 0}
.tgrid{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:1000px;margin:0 auto}
.tchip{background:var(--card);border:1px solid var(--line);color:#d7dfee;font-size:13.5px;
  padding:10px 18px;border-radius:30px;transition:.25s}
.tchip:hover{border-color:var(--blue);color:#fff;background:rgba(47,92,255,.18)}
/* ============ Loop ============ */
.loopsec{position:relative;overflow:hidden}
.loopwrap{position:relative;border-radius:24px;overflow:hidden;border:1px solid var(--line);
  background:#0b1124}
.loopwrap img{width:100%;height:auto}
.loopcap{position:absolute;left:34px;bottom:30px;right:34px;color:#fff;
  text-shadow:0 2px 18px rgba(0,0,0,.5)}
.loopcap h3{font-size:24px;font-weight:900;margin-bottom:6px}
.loopcap p{font-size:14px;opacity:.92}
/* ============ Tech highlight ============ */
.tech{padding:72px 0}
.tgrid2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.tcard{position:relative;background:var(--card);border:1px solid var(--line);border-radius:20px;
  overflow:hidden;transition:.35s}
.tcard:hover{border-color:rgba(47,92,255,.5);transform:translateY(-5px);
  box-shadow:0 20px 60px rgba(47,92,255,.25)}
.tcard img{width:100%;height:auto;display:block}
.tcard .tc-body{padding:22px 24px 24px}
.tcard .tc-body h4{font-size:18px;font-weight:800;margin-bottom:8px}
.tcard .tc-body p{font-size:13.5px;color:#9aa4b6;line-height:1.6}
.tcard .tc-tag{position:absolute;top:16px;left:16px;background:rgba(7,11,26,.72);
  backdrop-filter:blur(6px);border:1px solid var(--line);color:#fff;font-size:12px;
  padding:6px 12px;border-radius:18px;font-weight:600}
/* ============ Qualification ============ */
.qual{padding-top:72px}
.qgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.qcard{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px 20px;transition:.3s;position:relative;overflow:hidden}
.qcard:hover{border-color:rgba(123,92,255,.5);transform:translateY(-4px)}
.qcard .qico{font-size:24px;margin-bottom:12px}
.qcard h4{font-size:15.5px;font-weight:800;margin-bottom:8px;line-height:1.4}
.qcard .qid{font-size:12px;color:var(--cyan);background:rgba(0,194,168,.1);border:1px solid rgba(0,194,168,.25);
  padding:3px 9px;border-radius:6px;display:inline-block;margin-top:6px;font-family:ui-monospace,monospace}
.qcard .qdesc{font-size:12.5px;color:#97a2b5;margin-top:8px;line-height:1.55}
/* ============ Contact ============ */
.contact{background:rgba(255,255,255,.015)}
.cwrap{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.cinfo{background:linear-gradient(160deg,rgba(47,92,255,.18),rgba(123,92,255,.12));
  border:1px solid var(--line);border-radius:22px;padding:36px}
.cinfo h3{font-size:24px;font-weight:900;margin-bottom:8px}
.cinfo .ci-sub{color:#b7c0d2;font-size:14px;margin-bottom:24px}
.crow{display:flex;align-items:flex-start;gap:14px;margin-bottom:18px;color:#d7dfee;font-size:14.5px}
.crow .ci{width:40px;height:40px;border-radius:11px;background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.cform{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:32px}
.cform h4{font-size:19px;font-weight:800;margin-bottom:20px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.frow.full{grid-template-columns:1fr}
.finput{width:100%;background:rgba(255,255,255,.04);border:1px solid var(--line);color:#fff;
  border-radius:11px;padding:13px 14px;font-size:14px;outline:none;transition:.25s;font-family:inherit}
.finput:focus{border-color:var(--blue);background:rgba(47,92,255,.08)}
.finput::placeholder{color:#6f7a8d}
select.finput{appearance:auto}
.cform button{width:100%;margin-top:6px;padding:14px;border-radius:11px;font-size:15px}
.note{font-size:12px;color:#7d8698;margin-top:12px;text-align:center}
 
/* ============ Reveal ============ */
.reveal{opacity:0;transform:translateY(28px);transition:.8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
/* ============ Top button ============ */
.topbtn{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;
  background:var(--g1);color:#fff;border:none;font-size:20px;cursor:pointer;display:none;
  box-shadow:0 10px 26px rgba(47,92,255,.45);z-index:99;transition:.3s}
.topbtn.show{display:flex;align-items:center;justify-content:center}
.topbtn:hover{transform:translateY(-3px)}
/* ============ Responsive ============ */
@media(max-width:1100px){
  .qgrid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:960px){
  .hero-grid,.nmain,.cwrap{grid-template-columns:1fr;gap:34px}
  .tgrid2{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:22px}
}
@media(max-width:640px){
  section{padding:68px 0}
  .hero{padding:120px 0 70px}
  .links{display:none;position:absolute;top:62px;left:0;right:0;flex-direction:column;gap:0;
    background:rgba(7,11,26,.99);border-bottom:1px solid var(--line);padding:8px 0}
  .links.open{display:flex}
  .links a{padding:13px 24px}
  .links a.active::after{display:none}
  .menu-btn{display:block}
  .pgrid{grid-template-columns:repeat(2,1fr);gap:14px}
  /* nlist 不写，继承上方repeat(3,1fr)，手机端一行三列 */
  .qgrid{grid-template-columns:repeat(2,1fr);gap:14px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .frow{grid-template-columns:1fr}
  .nflow{flex-direction:column;gap:6px}
  .narr{transform:rotate(90deg);margin:2px 0}
}
/* 极窄手机回退2列 */
@media(max-width:400px){
  .nlist{
    grid-template-columns:repeat(2,1fr);
    gap:10px;
  }
}
/* 超小屏幕回退1列 */
@media(max-width:360px){
  .pgrid,.qgrid{
    grid-template-columns:1fr;
  }
}