/* ============================================================
   BS COMTEC — V2 VISUAL SYSTEM 「Deep-Space Industrial」
   Layer over style.css — loaded after, overrides via :root vars
   Design: deep navy canvas / electric blue + cyan accents /
   gold CTA / blueprint grid textures / staggered reveals
   ============================================================ */

/* ===== 1. COLOR SYSTEM OVERRIDE（全站换血核心） ===== */
:root{
  --navy:#050C1C;
  --navy-light:#0A1730;
  --navy-mid:#0E1F3D;
  --deep:#050C1C;
  --deep-light:#0A1730;
  --deep-mid:#0E1F3D;
  --blue:#0B7BFF;
  --blue-dark:#0057D8;
  --cyan:#00D9FF;
  --gold:#FFB800;
  --gold-dark:#E09E00;
  --blue-glow:rgba(11,123,255,.14);
  --blue-glow-strong:rgba(0,217,255,.28);
  --white:#FFFFFF;
  --ink:#0B1526;
  --grad-hero:linear-gradient(160deg,#050C1C 0%,#0A1B38 45%,#0B2A55 100%);
  --grad-blue:linear-gradient(135deg,#0B7BFF 0%,#00D9FF 100%);
  --grad-gold:linear-gradient(135deg,#FFB800 0%,#FF8A00 100%);
  --shadow-card:0 20px 60px -15px rgba(5,12,28,.18);
  --shadow-glow:0 0 40px rgba(0,217,255,.35);
  --ease-out:cubic-bezier(.22,1,.36,1);
  --font-display:'Sora',sans-serif;
  --font-mono:'IBM Plex Mono',ui-monospace,monospace;
}

/* ===== 2. GLOBAL FOUNDATION ===== */
html{scroll-behavior:smooth}
body{
  font-family:'DM Sans',sans-serif;
  background:var(--navy);
  color:#16233B;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--cyan);color:var(--navy)}
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:var(--navy)}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--blue),var(--cyan));border-radius:6px}

h1,h2,h3,h4,h5,h6{font-family:var(--font-display);letter-spacing:-.01em}
.container{max-width:1280px}

/* Blueprint texture utility（蓝图网格纹理） */
.bp-grid{position:relative}
.bp-grid::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(0,217,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,217,255,.05) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(ellipse 90% 80% at 50% 40%,#000 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 90% 80% at 50% 40%,#000 30%,transparent 75%);
}
/* Fine noise overlay（噪点质感） */
.noise::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.06'/%3E%3C/svg%3E");
}

/* ===== 3. TOPBAR & NAVBAR ===== */
.topbar{
  background:rgba(5,12,28,.92);
  border-bottom:1px solid rgba(0,217,255,.12);
  position:relative;z-index:1001;
}
.topbar .container{display:flex;justify-content:space-between;align-items:center}
.topbar-left span{color:rgba(255,255,255,.72);font-size:.82rem;letter-spacing:.02em}
.topbar-left a{color:rgba(255,255,255,.85)}
.topbar-left a:hover{color:var(--cyan)}
.lang-switch{color:var(--cyan);font-family:var(--font-mono);font-size:.78rem;letter-spacing:.12em}

.navbar{
  background:rgba(5,12,28,.78);
  backdrop-filter:blur(18px) saturate(1.4);
  -webkit-backdrop-filter:blur(18px) saturate(1.4);
  border-bottom:1px solid rgba(255,255,255,.07);
  position:sticky;top:0;z-index:1000;
  transition:background .4s,box-shadow .4s;
}
.navbar.scrolled{background:rgba(5,12,28,.94);box-shadow:0 12px 40px rgba(0,0,0,.45)}
.nav-logo{color:#fff !important;font-weight:800;font-size:1.3rem;letter-spacing:.02em}
.nav-logo .logo-icon{
  background:var(--grad-blue);
  color:#fff;border-radius:8px;width:38px;height:38px;
  display:flex;align-items:center;justify-content:center;
  font-size:.95rem;box-shadow:0 0 22px rgba(0,217,255,.45);
}
.nav-logo span{background:linear-gradient(90deg,var(--cyan),var(--blue));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

.nav-menu > li > a{color:rgba(255,255,255,.82) !important;font-weight:500;position:relative;padding:26px 30px;font-size:17px}
.nav-menu > li > a::after{
  content:"";position:absolute;left:0;bottom:18px;width:0;height:2px;
  background:var(--grad-blue);transition:width .35s var(--ease-out);border-radius:2px;
}
.nav-menu > li > a:hover::after,.nav-menu > li > a.active::after{width:100%}
.nav-menu > li > a:hover,.nav-menu > li > a.active{color:#fff !important}

.dropdown{
  background:rgba(8,18,38,.97) !important;
  border:1px solid rgba(0,217,255,.15);
  box-shadow:0 30px 80px rgba(0,0,0,.6),0 0 30px rgba(0,217,255,.08) !important;
  border-radius:16px;backdrop-filter:blur(20px);
}
.dropdown-item{border-radius:12px;transition:background .25s}
.dropdown-item:hover{background:rgba(0,217,255,.08)}
.dd-icon{
  background:rgba(0,217,255,.1);border:1px solid rgba(0,217,255,.2);
  border-radius:10px;color:var(--cyan) !important;
}
.dd-text h4{color:#fff}
.dd-text p{color:rgba(255,255,255,.5)}

.btn-quote{
  background:var(--grad-gold) !important;color:#1A1200 !important;
  font-weight:700;border:none;border-radius:10px;
  box-shadow:0 8px 28px rgba(255,184,0,.35);
  transition:transform .3s var(--ease-out),box-shadow .3s;
}
.btn-quote:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(255,184,0,.5)}

.hamburger span{background:#fff}

/* ===== 4. HERO — Deep-Space Command Deck ===== */
.hero{
  position:relative;
  background:var(--grad-hero);
  overflow:hidden;
  padding:120px 0 60px;
  min-height:auto;
}
.hero-bg-photo{position:absolute;inset:0;z-index:0;opacity:.34}
.hero-bg-photo img{width:100%;height:100%;object-fit:cover;object-position:center 30%;filter:saturate(.75) contrast(1.08)}
.hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(180deg,rgba(5,12,28,.55) 0%,rgba(5,12,28,.35) 40%,var(--navy) 96%),
    radial-gradient(ellipse 60% 50% at 75% 30%,rgba(0,217,255,.14),transparent 65%),
    radial-gradient(ellipse 50% 40% at 15% 70%,rgba(11,123,255,.16),transparent 60%);
}
.hero-grid{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background-image:
    linear-gradient(rgba(0,217,255,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,217,255,.055) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(ellipse 85% 75% at 50% 35%,#000 25%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 85% 75% at 50% 35%,#000 25%,transparent 78%);
  animation:gridDrift 26s linear infinite;
}
@keyframes gridDrift{from{background-position:0 0,0 0}to{background-position:52px 0,0 52px}}
.hero-orb{border-radius:50%;filter:blur(90px);opacity:.5;z-index:1;position:absolute}
.hero-orb-1{width:560px;height:560px;background:radial-gradient(circle,rgba(0,217,255,.32),transparent 70%);top:-160px;right:-120px;animation:orbFloat 11s ease-in-out infinite}
.hero-orb-2{width:480px;height:480px;background:radial-gradient(circle,rgba(11,123,255,.35),transparent 70%);bottom:-140px;left:-140px;animation:orbFloat 14s ease-in-out infinite reverse}
@keyframes orbFloat{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(30px,-24px) scale(1.06)}}
/* 扫光 */
.hero-sweep{
  position:absolute;z-index:2;top:0;left:-30%;width:24%;height:100%;pointer-events:none;
  background:linear-gradient(100deg,transparent,rgba(0,217,255,.09) 45%,rgba(255,255,255,.13) 50%,rgba(0,217,255,.09) 55%,transparent);
  transform:skewX(-16deg);
  animation:heroSweep 7.5s ease-in-out infinite;
}
@keyframes heroSweep{0%{left:-35%}45%,100%{left:135%}}
.hero .container{position:relative;z-index:3}

.hero-badge{
  background:rgba(0,217,255,.07);
  border:1px solid rgba(0,217,255,.3);
  color:#BFE9FF;backdrop-filter:blur(8px);
  font-family:var(--font-mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;
  padding:9px 18px;border-radius:100px;
  box-shadow:inset 0 0 24px rgba(0,217,255,.06);
}
.hero-badge .dot{
  width:8px;height:8px;border-radius:50%;background:#22E58F;
  box-shadow:0 0 0 0 rgba(34,229,143,.6);animation:pulseDot 2s infinite;
}
@keyframes pulseDot{0%{box-shadow:0 0 0 0 rgba(34,229,143,.55)}70%{box-shadow:0 0 0 10px rgba(34,229,143,0)}100%{box-shadow:0 0 0 0 rgba(34,229,143,0)}}

.hero h1{
  font-size:clamp(2.5rem,5.2vw,4.3rem);
  font-weight:800;line-height:1.08;color:#fff;
  letter-spacing:-.025em;max-width:820px;
  text-shadow:0 4px 40px rgba(0,0,0,.5);
}
.hero h1 .highlight{
  background:linear-gradient(92deg,var(--cyan) 10%,#4DB8FF 55%,var(--blue) 95%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  font-style:normal;position:relative;
}
.hero-sub{
  color:rgba(214,232,255,.82);font-size:1.13rem;line-height:1.75;
  max-width:640px;font-weight:400;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}

.btn-primary{
  background:var(--grad-blue);color:#fff;font-weight:700;
  border-radius:12px;padding:16px 34px;letter-spacing:.02em;
  box-shadow:0 10px 34px rgba(11,123,255,.42),inset 0 1px 0 rgba(255,255,255,.28);
  position:relative;overflow:hidden;
  transition:transform .32s var(--ease-out),box-shadow .32s;
}
.btn-primary::after{
  content:"";position:absolute;top:0;left:-80%;width:50%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.35),transparent);
  transform:skewX(-20deg);transition:left .6s var(--ease-out);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 48px rgba(0,217,255,.5)}
.btn-primary:hover::after{left:130%}

.btn-secondary{
  background:rgba(255,255,255,.06);color:#fff;font-weight:600;
  border:1px solid rgba(255,255,255,.35);border-radius:12px;padding:16px 34px;
  backdrop-filter:blur(8px);
  transition:all .32s var(--ease-out);
}
.btn-secondary:hover{
  background:rgba(255,255,255,.13);border-color:var(--cyan);color:var(--cyan);
  transform:translateY(-3px);box-shadow:0 12px 36px rgba(0,217,255,.22);
}

/* Hero stats — 毛玻璃数据卡 */
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  margin-top:64px;padding:0;
}
.hero-stat{
  background:rgba(10,23,48,.55);
  border:1px solid rgba(0,217,255,.14);
  border-radius:16px;padding:22px 26px;
  backdrop-filter:blur(14px);
  position:relative;overflow:hidden;
  transition:transform .35s var(--ease-out),border-color .35s;
}
.hero-stat::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--grad-blue);opacity:.75;
}
.hero-stat:hover{transform:translateY(-5px);border-color:rgba(0,217,255,.4)}
.hero-stat .num{
  font-size:clamp(1.9rem,3vw,2.6rem);font-weight:800;
  background:linear-gradient(90deg,#fff,var(--cyan));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  font-family:var(--font-display);
}
.hero-stat .label{
  color:rgba(255,255,255,.6);font-size:.82rem;letter-spacing:.08em;
  text-transform:uppercase;margin-top:6px;font-family:var(--font-mono);
}

/* ===== 5. BRAND BAR — 无缝跑马灯 ===== */
.brand-bar{
  background:linear-gradient(180deg,var(--navy) 0%,var(--navy-light) 100%);
  border-top:1px solid rgba(0,217,255,.1);
  border-bottom:1px solid rgba(0,217,255,.1);
  padding:34px 0;position:relative;overflow:hidden;
}
.brand-bar-title{
  text-align:center;font-family:var(--font-mono);font-size:.72rem;
  letter-spacing:.32em;text-transform:uppercase;
  color:rgba(0,217,255,.65);margin-bottom:22px;
}
.brand-marquee{overflow:hidden;width:100%;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.brand-bar-inner{
  display:flex;gap:76px;align-items:center;
  width:max-content;animation:marquee 30s linear infinite;
}
.brand-bar:hover .brand-bar-inner{animation-play-state:paused}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.brand-logo{
  font-family:var(--font-display);font-size:1.6rem;font-weight:800;
  color:#F5F7FA;letter-spacing:.22em;white-space:nowrap;
  transition:color .3s,text-shadow .3s,transform .3s;cursor:pointer;
  text-shadow:0 0 20px rgba(0,217,255,.18);text-decoration:none;display:inline-block;
}
.brand-logo:hover,.brand-logo:focus-visible{transform:translateY(-2px)}
.b-vertiv:hover,.b-vertiv:focus-visible{color:#FF2E4D;text-shadow:0 0 28px rgba(228,0,43,.8),0 0 60px rgba(228,0,43,.35)}
.b-huawei:hover,.b-huawei:focus-visible{color:#FF3B5C;text-shadow:0 0 28px rgba(207,10,44,.8),0 0 60px rgba(207,10,44,.35)}
.b-delta:hover,.b-delta:focus-visible{color:#FF4D4D;text-shadow:0 0 28px rgba(230,0,18,.8),0 0 60px rgba(230,0,18,.35)}
.b-eltek:hover,.b-eltek:focus-visible{color:#2EE56B;text-shadow:0 0 28px rgba(0,150,57,.85),0 0 60px rgba(0,150,57,.35)}
.b-santak:hover,.b-santak:focus-visible{color:#FF5A5F;text-shadow:0 0 28px rgba(215,25,32,.8),0 0 60px rgba(215,25,32,.35)}
.b-zte:hover,.b-zte:focus-visible{color:#2E8FFF;text-shadow:0 0 28px rgba(0,87,168,.9),0 0 60px rgba(0,87,168,.4)}

/* ===== 6. SECTION HEADERS ===== */
.section-label{
  font-family:var(--font-mono);font-size:.76rem;font-weight:500;
  letter-spacing:.3em;text-transform:uppercase;color:var(--blue);
  display:inline-flex;align-items:center;gap:12px;
}
.section-label::before{content:"";width:34px;height:1px;background:var(--grad-blue)}
.section-title{font-size:clamp(1.9rem,3.6vw,3rem);font-weight:800;letter-spacing:-.02em;line-height:1.15}
.section-subtitle{color:#5B6B85;font-size:1.05rem;max-width:640px;margin:14px auto 0;line-height:1.7}

/* ===== 7. PRODUCT CARDS — Homepage（白区重绘） ===== */
.products{background:linear-gradient(180deg,#F5F8FC 0%,#FFFFFF 100%);position:relative;padding:96px 0}
.products::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:
    linear-gradient(rgba(11,123,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(11,123,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 0%,#000,transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 0%,#000,transparent 80%);
}
.products .container{position:relative}

.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.product-card{
  background:#fff;border:1px solid rgba(11,123,255,.1);
  border-radius:20px;overflow:hidden;
  box-shadow:0 6px 24px rgba(5,12,28,.06);
  transition:transform .45s var(--ease-out),box-shadow .45s,border-color .45s;
  position:relative;
}
.product-card::before{
  content:"";position:absolute;inset:0;border-radius:20px;padding:1px;
  background:linear-gradient(135deg,var(--cyan),var(--blue) 50%,transparent 75%);
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  opacity:0;transition:opacity .45s;pointer-events:none;z-index:2;
}
.product-card:hover{transform:translateY(-10px);box-shadow:0 30px 70px -18px rgba(11,123,255,.35)}
.product-card:hover::before{opacity:1}

.product-card-img{
  position:relative;overflow:hidden;background:#F2F6FB;
  aspect-ratio:16/10;
}
.product-card-img img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .8s var(--ease-out);
}
.product-card:hover .product-card-img img{transform:scale(1.07)}
.product-card-img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(5,12,28,.12));
  opacity:0;transition:opacity .45s;
}
.product-card:hover .product-card-img::after{opacity:1}

.product-card-body{padding:26px 26px 28px;position:relative}
.brand-tag{
  display:inline-block;font-family:var(--font-mono);font-size:.66rem;
  letter-spacing:.16em;font-weight:600;color:var(--blue);
  background:rgba(11,123,255,.08);border:1px solid rgba(11,123,255,.22);
  padding:5px 12px;border-radius:6px;margin-bottom:14px;
}
.brand-tag-vertiv{color:#E21836;border-color:rgba(226,24,54,.25);background:rgba(226,24,54,.05)}
.brand-tag-huawei{color:#C7000B;border-color:rgba(199,0,11,.25);background:rgba(199,0,11,.05)}
.brand-tag-delta{color:#005BAC;border-color:rgba(0,91,172,.25);background:rgba(0,91,172,.05)}
.brand-tag-eltek{color:#00945E;border-color:rgba(0,148,94,.25);background:rgba(0,148,94,.05)}
.product-card-body h3{font-size:1.3rem;font-weight:700;margin-bottom:6px;color:var(--ink)}
.product-card-body .spec{
  font-family:var(--font-mono);font-size:.78rem;color:var(--blue);
  letter-spacing:.04em;margin-bottom:12px;
}
.product-card-body p{color:#5B6B85;font-size:.93rem;line-height:1.65;margin-bottom:18px}
.card-link{
  color:var(--blue);font-weight:700;font-size:.92rem;
  display:inline-flex;align-items:center;gap:6px;
  transition:gap .3s var(--ease-out),color .3s;
}
.card-link:hover{gap:12px;color:var(--cyan)}

/* ===== 8. WHY US — 深色毛玻璃板块 ===== */
.why-us{
  background:var(--grad-hero);position:relative;overflow:hidden;
  padding:100px 0;
}
.why-us::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(0,217,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,217,255,.05) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(ellipse 80% 70% at 50% 50%,#000 20%,transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 50%,#000 20%,transparent 80%);
}
.why-us .container{position:relative}
.why-us .section-label{color:var(--cyan)}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:52px}
.why-card{
  background:rgba(10,23,48,.55);
  border:1px solid rgba(0,217,255,.13);
  border-radius:18px;padding:34px 28px;
  backdrop-filter:blur(14px);
  transition:transform .4s var(--ease-out),border-color .4s,box-shadow .4s;
  position:relative;overflow:hidden;
}
.why-card::before{
  content:"";position:absolute;top:-60%;left:-60%;width:120%;height:120%;
  background:radial-gradient(circle,rgba(0,217,255,.12),transparent 60%);
  opacity:0;transition:opacity .5s;
}
.why-card:hover{transform:translateY(-8px);border-color:rgba(0,217,255,.4);box-shadow:0 24px 60px rgba(0,0,0,.4)}
.why-card:hover::before{opacity:1}
.why-icon{
  width:56px;height:56px;border-radius:14px;
  background:rgba(0,217,255,.1);border:1px solid rgba(0,217,255,.25);
  display:flex;align-items:center;justify-content:center;
  font-size:1.5rem;margin-bottom:20px;
  box-shadow:inset 0 0 20px rgba(0,217,255,.08);
}
.why-card h3{color:#fff;font-size:1.12rem;margin-bottom:10px}
.why-card p{color:rgba(214,232,255,.6);font-size:.9rem;line-height:1.65}

/* ===== 9. GLOBAL / REGIONS ===== */
.global{background:var(--navy);padding:96px 0;position:relative;overflow:hidden}
.global::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background:radial-gradient(ellipse 55% 45% at 50% 110%,rgba(11,123,255,.22),transparent 70%);
}
.global .container{position:relative}
.regions-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:52px}
.region-card{
  background:rgba(10,23,48,.5);border:1px solid rgba(255,255,255,.08);
  border-radius:16px;padding:30px 26px;text-align:left;
  transition:all .4s var(--ease-out);position:relative;overflow:hidden;
}
.region-card::after{
  content:"";position:absolute;bottom:0;left:0;width:0;height:2px;
  background:var(--grad-blue);transition:width .45s var(--ease-out);
}
.region-card:hover{transform:translateY(-6px);border-color:rgba(0,217,255,.3)}
.region-card:hover::after{width:100%}
.region-icon{font-size:1.7rem;margin-bottom:16px}
.region-card h4{color:#fff;font-size:1.02rem;margin-bottom:8px;font-weight:700}
.region-card p{color:rgba(214,232,255,.55);font-size:.85rem;line-height:1.6}

/* ===== 10. INDUSTRIES（白区） ===== */
.industries{background:#fff;padding:96px 0;position:relative}
.industries-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:52px}
.industry-card{
  border:1px solid rgba(11,123,255,.12);border-radius:18px;
  padding:34px 28px;background:linear-gradient(180deg,#FBFDFF,#F4F8FD);
  transition:all .4s var(--ease-out);position:relative;overflow:hidden;
}
.industry-card:hover{
  transform:translateY(-8px);border-color:rgba(11,123,255,.35);
  box-shadow:0 24px 60px -18px rgba(11,123,255,.3);
}
.industry-icon{
  width:54px;height:54px;border-radius:14px;
  background:var(--grad-blue);color:#fff;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;box-shadow:0 8px 24px rgba(11,123,255,.35);
}
.industry-icon svg{width:26px;height:26px}
.industry-card h3{font-size:1.08rem;margin-bottom:10px;color:var(--ink)}
.industry-card p{color:#5B6B85;font-size:.88rem;line-height:1.65}

/* ===== 11. CTA — 收官大卡 ===== */
.cta{padding:0 0 96px;background:var(--navy);position:relative}
.cta .container{position:relative}
.cta-inner{
  position:relative;border-radius:28px;overflow:hidden;
  background:var(--grad-hero);
  border:1px solid rgba(0,217,255,.18);
  padding:74px 60px;text-align:center;
  box-shadow:0 40px 100px -30px rgba(11,123,255,.4);
}
.cta-inner::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(0,217,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,217,255,.06) 1px,transparent 1px);
  background-size:46px 46px;
  mask-image:radial-gradient(ellipse 70% 90% at 50% 0%,#000,transparent 85%);
  -webkit-mask-image:radial-gradient(ellipse 70% 90% at 50% 0%,#000,transparent 85%);
}
.cta-inner::after{
  content:"";position:absolute;top:-140px;left:50%;transform:translateX(-50%);
  width:620px;height:280px;border-radius:50%;
  background:radial-gradient(ellipse,rgba(0,217,255,.22),transparent 68%);
  filter:blur(40px);pointer-events:none;
}
.cta-inner > *{position:relative;z-index:1}
.cta .section-label{color:var(--cyan)}
.cta h2{color:#fff;font-size:clamp(1.9rem,3.4vw,2.8rem);font-weight:800;margin:14px 0}
.cta p{color:rgba(214,232,255,.72);max-width:600px;margin:0 auto 34px;line-height:1.7}
.cta .cta-buttons .btn-primary{background:var(--grad-gold);color:#1A1200;box-shadow:0 12px 40px rgba(255,184,0,.4)}
.cta .cta-buttons .btn-primary:hover{box-shadow:0 18px 54px rgba(255,184,0,.55)}
.cta-contact-item{background:rgba(10,23,48,.55);border:1px solid rgba(0,217,255,.14);border-radius:14px}
.cta-contact-item a{color:#fff;font-weight:600}
.cta-contact-item a:hover{color:var(--cyan)}

/* ===== 12. FOOTER ===== */
.footer{background:#040913;border-top:1px solid rgba(0,217,255,.1);position:relative}
.footer::before{
  content:"";position:absolute;top:0;left:10%;right:10%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,217,255,.5),transparent);
}
.footer-brand,.footer h4{color:#fff}
.footer-grid a,.footer p{color:rgba(255,255,255,.55) !important;transition:color .3s}
.footer a:hover{color:var(--cyan) !important}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);color:rgba(255,255,255,.35)}

/* ===== 13. PAGE BANNER（内页头图） ===== */
.page-banner{
  background:var(--grad-hero);position:relative;overflow:hidden;
  padding:76px 0 66px;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(0,217,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,217,255,.05) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(ellipse 80% 90% at 30% 0%,#000,transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse 80% 90% at 30% 0%,#000,transparent 80%);
}
.page-banner::after{
  content:"";position:absolute;top:-120px;right:-80px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(0,217,255,.16),transparent 65%);
  filter:blur(50px);
}
.page-banner .container{position:relative;z-index:1}
.page-banner h1,.page-banner .breadcrumb + h1{color:#fff;font-size:clamp(2rem,4vw,3rem);font-weight:800}
.breadcrumb{color:rgba(255,255,255,.5);font-family:var(--font-mono);font-size:.8rem;letter-spacing:.06em}
.breadcrumb a{color:var(--cyan)}

/* ===== 14. PRODUCTS PAGE — 分类锚点导航条 ===== */
.cat-nav{
  background:rgba(5,12,28,.96);border-bottom:1px solid rgba(0,217,255,.14);
  position:sticky;top:74px;z-index:900;backdrop-filter:blur(16px);
}
.cat-nav-link{
  color:rgba(255,255,255,.65) !important;font-family:var(--font-mono);
  font-size:.8rem;letter-spacing:.06em;padding:16px 20px;
  border-bottom:2px solid transparent;transition:all .3s;white-space:nowrap;
}
.cat-nav-link:hover{color:var(--cyan) !important;background:rgba(0,217,255,.05)}
.cat-nav-link.active{color:var(--cyan) !important;border-bottom-color:var(--cyan)}

/* 产品分区（左图右列表 → 深色精装卡） */
.product-section{padding:78px 0;background:#fff}
.product-section:nth-child(even){background:#F5F8FC}
.product-block{
  display:grid;grid-template-columns:0.9fr 1.4fr;gap:48px;align-items:center;
  background:linear-gradient(135deg,#0A1730,#0E2246);
  border-radius:24px;padding:44px;position:relative;overflow:hidden;
  border:1px solid rgba(0,217,255,.12);
  box-shadow:0 30px 80px -25px rgba(5,12,28,.4);
}
.product-block::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(0,217,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,217,255,.04) 1px,transparent 1px);
  background-size:40px 40px;
  mask-image:radial-gradient(ellipse 60% 80% at 20% 50%,#000,transparent 85%);
  -webkit-mask-image:radial-gradient(ellipse 60% 80% at 20% 50%,#000,transparent 85%);
}
.product-block.reverse{grid-template-columns:1.4fr 0.9fr}
.product-img-wrap{position:relative;z-index:1}
.product-img-wrap img{
  border-radius:16px;width:100%;
  box-shadow:0 24px 60px rgba(0,0,0,.5);
  transition:transform .5s var(--ease-out);
}
.product-block:hover .product-img-wrap img{transform:scale(1.025)}
.product-content{position:relative;z-index:1}
.product-content h2,.product-content h3{color:#fff;font-size:1.7rem;font-weight:800;margin-bottom:6px}
.product-desc{color:rgba(214,232,255,.6) !important;font-size:.98rem;line-height:1.7;margin-bottom:18px}
.brand-tags .brand-tag{
  background:rgba(255,255,255,.06);border-color:rgba(0,217,255,.25);color:#9BE2FF;
}
.product-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:6px}
.product-list-item{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.09);
  border-radius:12px;padding:14px 16px;
  display:flex;align-items:center;gap:12px;
  transition:all .3s var(--ease-out);position:relative;
}
.product-list-item:hover{
  background:rgba(0,217,255,.09);border-color:rgba(0,217,255,.35);
  transform:translateX(5px);
}
.pli-icon{
  width:34px;height:34px;border-radius:9px;flex-shrink:0;
  background:rgba(0,217,255,.1);border:1px solid rgba(0,217,255,.22);
  display:flex;align-items:center;justify-content:center;font-size:.95rem;
}
.product-list-item span:first-of-type{color:#fff;font-weight:600;font-size:.92rem}
.pli-spec{color:var(--cyan);font-family:var(--font-mono);font-size:.74rem;margin-left:auto}

/* ===== 15. MISC COMPONENTS ===== */
.back-top{
  background:var(--grad-blue);box-shadow:0 10px 30px rgba(11,123,255,.4);
  opacity:0;visibility:hidden;transition:all .4s;
}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{transform:translateY(-4px)}

/* 浮动 WhatsApp 式按钮（右下角黄色） → 金色统一 */
a[href*="wa.me"],a[href*="whatsapp"]{z-index:998}

/* fade-up 增强 */
.fade-up{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease-out),transform .9s var(--ease-out)}
.fade-up.visible{opacity:1;transform:translateY(0)}
.fade-up-delay-1{transition-delay:.1s}
.fade-up-delay-2{transition-delay:.2s}
.fade-up-delay-3{transition-delay:.3s}
.fade-up-delay-4{transition-delay:.42s}
.fade-up-delay-5{transition-delay:.54s}

/* ===== 16. RESPONSIVE ===== */
@media(max-width:1080px){
  .why-grid,.regions-grid,.industries-grid{grid-template-columns:repeat(2,1fr)}
  .products-grid{grid-template-columns:repeat(2,1fr)}
  .product-block,.product-block.reverse{grid-template-columns:1fr;gap:26px;padding:30px}
}
@media(max-width:760px){
  .hero{padding:88px 0 40px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:12px}
  .products-grid{grid-template-columns:1fr}
  .why-grid,.regions-grid,.industries-grid{grid-template-columns:1fr}
  .product-list{grid-template-columns:1fr}
  .cta-inner{padding:48px 24px}
  .cat-nav{top:64px}
}

/* ===== Brand carousel links & homepage link additions (brand_carousel task) ===== */
a.brand-tag{display:inline-block;text-decoration:none}
.product-card{position:relative}
.card-link::after{content:"";position:absolute;inset:0;z-index:1}
.product-card .brand-tag-link{position:relative;z-index:2}
.industry-title-link{color:inherit;text-decoration:none;transition:color .3s}
.industry-title-link:hover{color:var(--blue,#0B7BFF)}