/* ============================================================
   NEO HOME — 首页专用版式
   ============================================================ */

/* ---------- HERO ---------- */
.nx-hero{
  position:relative;min-height:clamp(560px,88vh,860px);
  display:flex;align-items:center;overflow:hidden;
  border-bottom:1px solid var(--nx-line);
}
.nx-hero-bg{position:absolute;inset:0;z-index:0}
.nx-hero-media{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:.55;filter:saturate(.95) contrast(1.08) brightness(.95);
}
.nx-hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(7,10,16,.72) 0%,rgba(7,10,16,.55) 45%,rgba(7,10,16,.96) 100%),
    radial-gradient(1100px 620px at 78% 30%,rgba(34,211,238,.22),transparent 62%),
    radial-gradient(760px 500px at 10% 80%,rgba(255,138,61,.16),transparent 65%);
}
.nx-hero-grid{
  position:absolute;inset:0;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
                    linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(circle at 50% 40%,#000 0%,transparent 72%);
}
.nx-hero-inner{position:relative;z-index:2;width:100%;padding-top:clamp(72px,10vh,140px);padding-bottom:clamp(56px,8vh,96px)}
.nx-hero h1{
  font-size:clamp(34px,5.6vw,76px);line-height:1.02;letter-spacing:-.035em;max-width:19ch;
  color:#fff;margin-top:18px;
}
.nx-hero h1 .nx-grad{
  background:linear-gradient(100deg,var(--nx-accent) 0%,#7ef0ff 40%,var(--nx-accent-2) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.nx-hero-desc{
  margin-top:22px;max-width:56ch;color:#b9c7dc;font-size:clamp(15px,1.25vw,18px);line-height:1.7;
}
.nx-hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.nx-hero-facts{
  display:flex;flex-wrap:wrap;gap:clamp(20px,4vw,64px);margin-top:clamp(36px,5vh,64px);
  padding-top:26px;border-top:1px solid rgba(255,255,255,.12);
}
.nx-fact b{display:block;font-size:clamp(22px,2.4vw,34px);color:#fff;letter-spacing:-.03em}
.nx-fact b i{font-style:normal;color:var(--nx-accent)}
.nx-fact b em{font-style:normal;color:var(--nx-accent)}
.nx-fact span{display:block;margin-top:6px;font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--nx-dim)}

/* 飘带 / 分类轨道 */
.nx-rail{
  display:flex;gap:12px;overflow-x:auto;padding:22px clamp(16px,3vw,40px);
  border-bottom:1px solid var(--nx-line);scrollbar-width:none;
}
.nx-rail::-webkit-scrollbar{display:none}
.nx-chip{
  display:inline-flex;align-items:center;gap:10px;white-space:nowrap;
  padding:12px 20px;border-radius:999px;border:1px solid var(--nx-line);
  background:rgba(255,255,255,.03);color:var(--nx-muted);font-size:14px;font-weight:600;
  text-decoration:none;transition:.3s var(--nx-ease);
}
.nx-chip:hover{color:#fff;border-color:rgba(34,211,238,.5);background:rgba(34,211,238,.1);transform:translateY(-2px)}
.nx-chip .dot{width:6px;height:6px;border-radius:50%;background:var(--nx-accent)}

/* ---------- 产品网格 ---------- */
.nx-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.nx-grid{display:grid;gap:clamp(14px,1.4vw,22px);margin-top:clamp(28px,3vw,44px)}
.nx-grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.nx-grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:1100px){.nx-grid-4{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:820px){.nx-grid-4,.nx-grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.nx-grid-4,.nx-grid-3{grid-template-columns:1fr}}

.nx-prod{display:flex;flex-direction:column;text-decoration:none;height:100%}
.nx-prod-media{
  position:relative;aspect-ratio:4/3;overflow:hidden;border-radius:var(--nx-radius-sm);
  background:radial-gradient(circle at 50% 40%,rgba(34,211,238,.16),rgba(255,255,255,.02) 70%);
  border:1px solid var(--nx-line);
}
.nx-prod-media img{
  width:100%;height:100%;object-fit:contain;padding:12%;
  transition:transform .6s var(--nx-ease);
}
.nx-prod:hover .nx-prod-media img{transform:scale(1.07)}
.nx-prod-body{padding:16px 4px 0;display:flex;flex-direction:column;gap:10px;flex:1}
.nx-prod-title{font-size:16px;line-height:1.5;color:#fff;font-weight:600;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.nx-prod-meta{margin-top:auto;padding-top:10px;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:#9db1cc;display:flex;align-items:center;gap:8px}
.nx-prod-meta .arrow{transition:transform .35s var(--nx-ease);color:var(--nx-accent)}
.nx-prod:hover .arrow{transform:translateX(4px)}

/* ---------- 数据带 ---------- */
.nx-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--nx-line);
  border:1px solid var(--nx-line);border-radius:var(--nx-radius);overflow:hidden;
}
.nx-stat{background:linear-gradient(180deg,#0d141e,#0a1017);padding:clamp(22px,2.6vw,38px)}
.nx-stat b{display:block;font-size:clamp(26px,3vw,42px);color:#fff;letter-spacing:-.03em}
.nx-stat b em{font-style:normal;color:var(--nx-accent)}
.nx-stat span{display:block;margin-top:8px;font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--nx-dim)}
@media(max-width:820px){.nx-stats{grid-template-columns:repeat(2,1fr)}}

/* ---------- 视频墙 ---------- */
.nx-videos{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(280px,1fr);gap:18px;overflow-x:auto;padding-bottom:10px;scroll-snap-type:x mandatory}
.nx-video{scroll-snap-align:start;text-decoration:none;position:relative;border-radius:var(--nx-radius);overflow:hidden;border:1px solid var(--nx-line);background:#0c121a}
.nx-video img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .6s var(--nx-ease)}
.nx-video:hover img{transform:scale(1.05)}
.nx-video .play{
  position:absolute;inset:0;display:grid;place-items:center;
  background:linear-gradient(180deg,rgba(7,10,16,.15),rgba(7,10,16,.75));
}
.nx-video .play span{
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  background:rgba(34,211,238,.9);color:#04141a;font-size:18px;
  box-shadow:0 10px 30px -8px rgba(34,211,238,.7);
  transition:transform .4s var(--nx-ease);
}
.nx-video:hover .play span{transform:scale(1.12)}
.nx-video-title{
  position:absolute;left:0;right:0;bottom:0;padding:14px 16px;font-size:13.5px;color:#dfe8f5;
  background:linear-gradient(180deg,transparent,rgba(7,10,16,.9));
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}

/* ---------- 工序链 ---------- */
.nx-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:36px}
.nx-step{padding:26px;border-radius:var(--nx-radius);border:1px solid var(--nx-line);background:rgba(255,255,255,.03);position:relative;overflow:hidden}
.nx-step::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--nx-accent),transparent)}
.nx-step h4{font-size:16px;color:#fff}
.nx-step p{margin:10px 0 0;color:var(--nx-muted);font-size:14px;line-height:1.65}
.nx-step .no{position:absolute;right:18px;top:14px;font-size:12px;color:var(--nx-dim);letter-spacing:.14em}
@media(max-width:900px){.nx-flow{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.nx-flow{grid-template-columns:1fr}}

/* ---------- 认证带 ---------- */
.nx-marquee{overflow:hidden;border-top:1px solid var(--nx-line);border-bottom:1px solid var(--nx-line);padding:22px 0}
.nx-marquee-track{display:flex;gap:48px;width:max-content;animation:nx-scroll 34s linear infinite}
.nx-marquee-track span{color:var(--nx-dim);font-size:13px;letter-spacing:.16em;text-transform:uppercase;white-space:nowrap}
@keyframes nx-scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.nx-marquee-track{animation:none}}

/* ---------- CTA ---------- */
.nx-cta{
  position:relative;overflow:hidden;border-radius:calc(var(--nx-radius) + 6px);
  padding:clamp(36px,5vw,72px);border:1px solid var(--nx-line);
  background:
    radial-gradient(900px 400px at 85% 15%,rgba(34,211,238,.20),transparent 60%),
    radial-gradient(700px 380px at 8% 90%,rgba(255,138,61,.16),transparent 62%),
    linear-gradient(180deg,#0d1520,#0a0f16);
}
.nx-cta h2{font-size:clamp(26px,3.4vw,44px);line-height:1.1;max-width:24ch;color:#fff}
.nx-cta p{margin:16px 0 0;color:var(--nx-muted);max-width:56ch}