/* ============================================================
   Norstar — merged stylesheet
   合并自 style-blue.css + v3.css + v4.css（保持原 link 顺序，层叠行为不变）
   ============================================================ */

/* ====================== begin: style-blue.css ====================== */
/* ============================================================
   Norstar Technology — Corporate Website
   Design language: refined minimal / biometric-tech
   Pure white canvas · ink typography · brand red accent
   Fonts: Sora (display), Manrope (body), JetBrains Mono (mono)
   ============================================================ */

/* ---------- Tokens ---------- */
:root{
  --white:#ffffff;
  --ink:#0b0f14;
  --ink-2:#3c4552;
  --gray:#69727e;
  --line:#e7eaee;
  --soft:#f4f6f8;
  --blue:#1990ff;
  --blue-rgb:25,144,255;
  --blue-deep:#0a3a7a;
  --blue-soft:#e8f4ff;
  --radius:18px;
  --radius-lg:26px;
  --shadow-sm:0 1px 2px rgba(11,15,20,.05);
  --shadow-md:0 10px 30px rgba(11,15,20,.08);
  --shadow-lg:0 24px 60px rgba(11,15,20,.12);
  --font-display:"Poppins",-apple-system,"Segoe UI",sans-serif;
  --font-body:"Poppins",-apple-system,"Segoe UI",sans-serif;
  --font-mono:"Poppins",Consolas,monospace;
  --header-h:76px;
  --container:1240px;
  --ease:cubic-bezier(.22,.61,.21,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--white);
  font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
  position:relative;
}
/* Faint biometric-grade dot alignment matrix overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(circle at 50% 50%, transparent 0, transparent 2px, rgba(25,144,255,0.015) 3px, transparent 4px);
  background-size: 16px 16px;
  opacity: 0.85;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:none}
::selection{background:var(--blue);color:#fff}
.container{width:min(var(--container),calc(100% - 48px));margin-inline:auto}
@media(max-width:640px){.container{width:calc(100% - 40px)}}

/* ---------- Typography ---------- */
h1,h2,h3,h4{font-family:var(--font-display);font-weight:650;letter-spacing:-.022em;line-height:1.12}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;
  color:var(--blue);
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--blue);border-radius:2px}
.section-head{max-width:720px;margin-bottom:56px}
.section-head h2{font-size:clamp(30px,4vw,46px);margin-top:16px}
.section-head p{color:var(--gray);margin-top:16px;font-size:17px;max-width:60ch}
.section{padding:104px 0}
@media(max-width:768px){.section{padding:72px 0}.section-head{margin-bottom:40px}}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:52px;padding:0 28px;border-radius:999px;
  font-family:var(--font-display);font-weight:600;font-size:15px;letter-spacing:.01em;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .25s,color .25s,border-color .25s;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;transition:transform .35s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-solid{background:var(--ink);color:#fff}
.btn-solid:hover{background:var(--blue);box-shadow:0 12px 26px rgba(25,144,255,.32)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-deep);box-shadow:0 12px 26px rgba(25,144,255,.32)}
.btn-ghost{border:1.5px solid var(--line);color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:var(--ink);box-shadow:var(--shadow-sm)}
.btn-sm{height:44px;padding:0 22px;font-size:14px}

/* ---------- Header ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;height:var(--header-h);
  background:rgba(255,255,255,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s,box-shadow .3s;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow-sm)}
.header-inner{height:var(--header-h);display:flex;align-items:center;gap:32px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{width:36px;height:36px;border-radius:11px;background:var(--blue);display:grid;place-items:center;color:#fff;transition:background .3s}
.brand:hover .brand-mark{background:var(--blue-deep)}
.brand-mark svg{width:22px;height:22px}
.brand-word{font-family:var(--font-display);font-weight:750;font-size:19px;letter-spacing:.06em}
.brand-word span{color:var(--blue)}

.main-nav{margin-left:auto}
.main-nav>ul{display:flex;align-items:center;gap:2px}
.main-nav>ul>li{position:relative}
.main-nav>ul>li>a{
  display:flex;align-items:center;gap:5px;height:44px;padding:0 12px;border-radius:999px;
  font-weight:650;font-size:14px;color:var(--ink-2);
  transition:color .2s,background .2s;
}
.main-nav>ul>li>a:hover{color:var(--ink);background:var(--soft)}
.main-nav>ul>li.active>a{color:var(--blue);background:var(--blue-soft)}
.has-drop>a::after{
  content:"";width:7px;height:7px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;
  transform:rotate(45deg) translateY(-2.5px);margin-left:5px;transition:transform .25s var(--ease);
}
.has-drop:hover>a::after{transform:rotate(225deg) translateY(0.5px)}

/* ---------- Mega Menu (desktop) ---------- */
.main-nav {
  position: static;
}
.main-nav > ul {
  position: static;
}
.has-drop {
  position: static !important; /* Forces the mega menu to align to the header container */
}
.main-nav > ul > li.has-drop {
  height: var(--header-h);
  display: flex;
  align-items: center;
}
.company-drop-trigger {
  position: relative !important; /* Re-enable relative positioning for the company dropdown */
}
.mega-menu {
  position: absolute;
  top: var(--header-h);
  left: 0;
  width: 100%;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 20px 50px rgba(11, 15, 20, 0.08);
  padding: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s;
  z-index: 99;
  pointer-events: auto; /* 整条菜单可悬停：隐藏时 visibility:hidden 已保证不可命中 */
}
.has-drop:hover .mega-menu,
.has-drop:focus-within .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.mega-menu-container {
  pointer-events: auto;
  display: grid;
  grid-template-columns: 320px 1fr;
  min-height: 440px;
  width: min(var(--container), calc(100% - 48px));
  margin-inline: auto;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
}
.mega-menu-sidebar {
  background: var(--soft);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-right: 1px solid var(--line);
}
.mega-menu-tab-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-radius: 12px;
  width: 100%;
  text-align: left;
  transition: background 0.25s, transform 0.25s, color 0.25s;
  color: var(--ink-2);
  text-decoration: none;
  cursor: pointer;
}
.mega-menu-tab-btn svg {
  width: 24px;
  height: 24px;
  color: var(--gray);
  transition: color 0.25s, transform 0.25s;
  flex-shrink: 0;
}
.mega-menu-tab-btn h4 {
  font-size: 16px;
  font-weight: 750;
  margin: 0;
  line-height: 1.2;
}
.mega-menu-tab-btn p {
  font-size: 12px;
  color: var(--gray);
  margin-top: 3px;
  line-height: 1.3;
  display: none;
}
.mega-menu-tab-btn:hover,
.mega-menu-tab-btn.active {
  background: var(--white);
  color: var(--blue);
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}
.mega-menu-tab-btn:hover svg,
.mega-menu-tab-btn.active svg {
  color: var(--blue);
  transform: scale(1.05);
}

.mega-menu-content {
  padding: 36px 44px;
  position: relative;
  background: var(--white);
}
.mega-menu-pane {
  display: none;
  grid-template-columns: 1fr 280px;
  gap: 40px;
  height: 100%;
  animation: megaFadeIn 0.35s var(--ease) forwards;
}
.mega-menu-pane.active {
  display: grid;
}
@keyframes megaFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.mega-menu-pane-links {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.mega-menu-pane-title {
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}
.mega-menu-pane-title h3 {
  font-size: 20px;
  font-weight: 750;
  color: var(--ink);
  letter-spacing: -0.015em;
}
.mega-menu-pane-title p {
  font-size: 13.5px;
  color: var(--gray);
  margin-top: 4px;
  line-height: 1.45;
}
.mega-menu-grid-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px 24px;
  margin-top: 6px;
}
.mega-menu-grid-links li a {
  display: flex;
  flex-direction: column;
  padding: 8px 10px;
  border-radius: 10px;
  transition: transform 0.25s, color 0.25s, background 0.25s;
}
.mega-menu-grid-links li a:hover {
  transform: translateX(4px);
  background: var(--blue-soft);
}
.mega-menu-grid-links li a span.model-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-2);
  transition: color 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
}
.mega-menu-grid-links li a:hover span.model-name {
  color: var(--blue);
}
.mega-menu-grid-links li a span.model-desc {
  font-size: 12.5px;
  color: var(--gray);
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Spotlight Card in Mega Menu */
.mega-menu-spotlight {
  background: var(--soft);
  border-radius: 18px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border: 1px solid rgba(11, 15, 20, 0.03);
}
.mega-menu-spotlight.scenario-text {
  justify-content: flex-start;
  gap: 10px;
  padding: 18px;
}
.mega-menu-spotlight.scenario-text .spotlight-thumb {
  aspect-ratio: 2 / 1;
  border-radius: 12px;
  background: #fff;
  margin-bottom: 2px;
}
.mega-menu-spotlight.scenario-text .spotlight-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.mega-menu-spotlight.scenario-text h5 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.mega-menu-spotlight.scenario-text p {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.5;
}
.spotlight-tag {
  display: inline-block;
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  background: var(--blue-soft);
  padding: 4px 10px;
  border-radius: 99px;
  align-self: flex-start;
}
.spotlight-thumb {
  aspect-ratio: 16 / 10;
  background: #ffffff;
  border-radius: 12px;
  display: grid;
  place-items: center;
  padding: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.spotlight-thumb img {
  display: block;
  width: 100%;
  object-fit: contain;
  transition: transform 0.4s var(--ease);
}
.mega-menu-spotlight:hover .spotlight-thumb img {
  transform: scale(1.06);
}
.mega-menu-spotlight h5 {
  font-size: 13.5px;
  font-weight: 750;
  color: var(--ink);
  font-family: var(--font-display);
}
.mega-menu-spotlight p {
  font-size: 11px;
  color: var(--gray);
  line-height: 1.45;
}
.mega-menu-spotlight a {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: auto;
}
.mega-menu-spotlight a:hover {
  text-decoration: underline;
}

/* Dual image column in product mega menu */
.mega-menu-pane {
  grid-template-columns: 1fr 320px;
}
.mega-menu-visuals {
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
}

/* Company dropdown */
.main-nav > ul > li.has-drop {
  position: relative;
}
.company-drop {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  right: auto;
  transform: translateX(-50%);
  width: 520px;
  max-width: calc(100vw - 60px);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 80px rgba(11, 15, 20, .14), 0 12px 36px rgba(11, 15, 20, .08);
  padding: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .22s, visibility .22s, transform .22s var(--ease);
  z-index: 80;
}
.company-drop::before {
  content: "";
  position: absolute;
  top: -14px;
  left: 0;
  width: 100%;
  height: 14px;
  background: transparent;
}
.main-nav > ul > li.has-drop:hover .company-drop,
.main-nav > ul > li.has-drop:focus-within .company-drop {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.company-drop-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.company-drop-links a {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 14px;
  border-radius: 10px;
  transition: background .2s, color .2s;
}
.company-drop-links a:hover {
  background: var(--blue-soft);
  color: var(--blue);
}
.cd-title {
  font-size: 14.5px;
  font-weight: 700;
}
.cd-sub {
  font-size: 12px;
  color: var(--gray);
}
.company-drop-links a:hover .cd-sub { color: var(--blue); opacity: .75; }
.company-drop-spotlight img {
  width: 100%;
  height: 130px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 12px;
}
.company-drop-spotlight h5 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
}
.company-drop-spotlight p {
  font-size: 12.5px;
  color: var(--gray);
  line-height: 1.45;
  margin-top: 4px;
}

.header-cta{flex-shrink:0}
.burger{display:none;width:44px;height:44px;border-radius:12px;flex-direction:column;align-items:center;justify-content:center;gap:6px}
.burger span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:transform .3s var(--ease),opacity .2s}
.nav-open .burger span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-open .burger span:nth-child(2){opacity:0}
.nav-open .burger span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* Mobile nav drawer */
.mobile-nav{
  position:fixed;inset:var(--header-h) 0 0 0;z-index:99;background:#fff;
  padding:28px 24px 40px;overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity .35s var(--ease),transform .35s var(--ease),visibility .35s;
}
.nav-open .mobile-nav{opacity:1;visibility:visible;transform:none}
.mobile-nav a.m-link{
  display:block;padding:16px 4px;font-family:var(--font-display);font-weight:650;font-size:22px;
  border-bottom:1px solid var(--line);letter-spacing:-.01em;
}
.mobile-nav a.m-link.active{color:var(--blue)}
.mobile-nav .m-sub{padding:6px 0 14px}
.mobile-nav .m-sub a{display:block;padding:9px 6px;font-size:15px;font-weight:600;color:var(--gray)}
.mobile-nav .btn{margin-top:22px;width:100%}
@media(max-width:1024px){
  .main-nav,.header-cta{display:none}
  .burger{display:flex;margin-left:auto}
}

/* ---------- Hero (home) ---------- */
.tech-grid{
  background-image: radial-gradient(rgba(11, 15, 20, 0.05) 1px, transparent 1px);
  background-size: 24px 24px;
}
.hero{
  position:relative;padding:calc(var(--header-h) + 76px) 0 90px;overflow:hidden;
}
.hero::before{ /* faint ridge texture, fingerprint-inspired */
  content:"";position:absolute;right:-180px;top:-160px;width:640px;height:640px;border-radius:50%;
  background:repeating-radial-gradient(circle at center,transparent 0 21px,var(--line) 21px 22.5px);
  opacity:.55;pointer-events:none;
  -webkit-mask-image:radial-gradient(circle,#000 30%,transparent 72%);
          mask-image:radial-gradient(circle,#000 30%,transparent 72%);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative}
.hero h1{
  font-size:clamp(42px,5.6vw,74px);font-weight:750;letter-spacing:-.035em;line-height:1.04;
  margin:26px 0 24px;
}
.hero h1 .accent{color:var(--blue)}
.hero h1 .stroke{
  color:transparent;-webkit-text-stroke:1.6px var(--ink);
}
.hero-sub{font-size:18px;color:var(--gray);max-width:52ch}
.hero-actions{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}
.hero-stats{display:flex;gap:48px;margin-top:48px;padding-top:32px;border-top:1px solid var(--line)}
.hero-stats > div{display:flex;flex-direction:column;align-items:flex-start}
.hero-stats b{font-family:var(--font-display);font-size:clamp(40px,4.6vw,52px);font-weight:750;letter-spacing:-.03em;line-height:1;color:var(--ink);display:inline-flex;align-items:flex-start}
.hero-stats b::after{content:"+";font-style:normal;color:var(--blue);font-size:.55em;margin-left:2px;transform:translateY(4px);font-weight:700}
.hero-stats > div:nth-child(3) b::after{display:none}
.hero-stats span{font-size:14px;color:var(--gray);font-weight:500;margin-top:8px;display:block}
/* ---------- Hero Background Overlay & Orb ---------- */
.hero {
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}
.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(25, 144, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(25, 144, 255, 0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 40%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 40%, transparent 85%);
}
.hero-orb {
  position: absolute;
  top: -100px;
  right: -100px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(25, 144, 255, 0.12) 0%, transparent 65%);
  filter: blur(40px);
}

/* ---------- Biometric Hero Badge (replica) ---------- */
.hero-badge-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 420px;
}
.biometric-badge {
  position: relative;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--blue-rgb), 0.05) 0%, transparent 70%);
  display: flex;
  justify-content: center;
  align-items: center;
}
.tech-ring-outer {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px dashed rgba(var(--blue-rgb), 0.25);
  animation: rotateRing 150s linear infinite;
}
.tech-ring-inner {
  position: absolute;
  inset: 20px;
  border-radius: 50%;
  border: 1.5px solid rgba(var(--blue-rgb), 0.15);
  border-top-color: var(--blue);
  animation: rotateRing 120s linear infinite reverse;
}
.fingerprint-core {
  position: relative;
  width: 240px;
  height: 240px;
  background: transparent;
  border-radius: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}
.fingerprint-core .core-label {
  font-size: 0.75rem;
  color: var(--blue);
  font-weight: 700;
  margin-top: 10px;
  letter-spacing: 0.5px;
}
.fingerprint-core .core-sub {
  font-size: 0.65rem;
  color: var(--gray);
  margin-top: 2px;
  font-weight: 500;
}
.fp-svg {
  width: 145px;
  height: 145px;
  object-fit: contain;
  display: block;
  animation: icon-float 15s ease-in-out infinite;
}
@keyframes icon-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.scan-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
  box-shadow: 0 0 12px rgba(var(--blue-rgb), 0.35);
  animation: scanMove 16s ease-in-out infinite;
  z-index: 10;
}
.badge-tag {
  position: absolute;
  background: #ffffff;
  padding: 8px 14px;
  border-radius: 30px;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--blue-deep);
  box-shadow: 0 8px 20px rgba(11, 15, 20, 0.06), 0 0 0 1px rgba(var(--blue-rgb), 0.1);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.badge-tag .dot {
  width: 8px;
  height: 8px;
  background-color: #10b981;
  border-radius: 50%;
}
.badge-tag .tag-model {
  color: var(--blue);
  font-weight: 800;
}
.tag-top-left { top: 30px; left: 10px; }
.tag-top-right { top: 60px; right: 0px; }
.tag-bottom-left { bottom: 50px; left: -10px; }
.tag-bottom-right { bottom: 20px; right: 20px; }
@keyframes rotateRing {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes scanMove {
  0%, 100% { top: 10%; opacity: 0; }
  15%, 85% { opacity: 1; }
  50% { top: 85%; }
}

/* ---------- High-Tech Biometric Chip Stage ---------- */
.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
}
.chip-stage {
  position: relative;
  width: 400px;
  height: 400px;
  display: grid;
  place-items: center;
}
@media(max-width: 480px) {
  .chip-stage {
    width: 290px;
    height: 290px;
  }
}
.chip-halo {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(25, 144, 255, 0.22) 0%, transparent 60%);
  filter: blur(18px);
  animation: pulse-halo 3.2s ease-in-out infinite;
}
.chip-halo::before {
  content: '';
  position: absolute;
  inset: 15%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(25, 144, 255, 0.18) 0%, transparent 55%);
  filter: blur(8px);
  animation: pulse-halo 3.2s ease-in-out .8s infinite reverse;
}
@keyframes pulse-halo {
  0%, 100% { transform: scale(1); opacity: 0.65; }
  50% { transform: scale(1.14); opacity: 1; }
}
.chip-core {
  position: relative;
  width: 280px;
  height: 280px;
  border-radius: 24px;
  background: linear-gradient(145deg, #ffffff, var(--soft));
  border: 1.5px solid var(--line);
  box-shadow: 
    0 25px 60px -20px rgba(25, 144, 255, 0.22),
    0 0 0 1px rgba(25, 144, 255, 0.04) inset;
  display: grid;
  place-items: center;
  animation: chip-float 6s ease-in-out infinite;
}
@media(max-width: 480px) {
  .chip-core {
    width: 210px;
    height: 210px;
  }
}
@keyframes chip-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.chip-svg {
  width: 200px;
  height: 200px;
}
@media(max-width: 480px) {
  .chip-svg {
    width: 150px;
    height: 150px;
  }
}
.fp-path {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  animation: fp-draw 2.4s var(--ease) var(--d,0s) forwards,
             fp-pulse 2.8s ease-in-out 3s infinite;
  opacity: 0.95;
}
@keyframes fp-draw {
  to { stroke-dashoffset: 0; }
}
@keyframes fp-pulse {
  0%, 100% { opacity: 0.95; }
  50% { opacity: 0.55; }
}
.chip-label {
  position: absolute;
  bottom: 0px;
  left: 45%;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: var(--shadow-sm);
  z-index: 4;
}
.chip-label.animate-scale-in {
  animation: scaleInAnim 0.7s cubic-bezier(0.16, 1, 0.3, 1) both, chipLabelFloat 3s ease-in-out 1.2s infinite;
}
@keyframes chipLabelFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-6px) scale(1); }
}
.chip-label span {
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--blue);
  font-weight: 750;
  letter-spacing: -0.01em;
}
.chip-label small {
  font-size: 9.5px;
  color: var(--gray);
  margin-top: 2px;
}
.chip-ping {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 0 rgba(25, 144, 255, 0.4);
  animation: chip-ping-anim 2.4s ease-out infinite;
  z-index: 5;
}
.chip-ping.p1 {
  top: 24%;
  right: 22%;
}
.chip-ping.p2 {
  bottom: 26%;
  left: 18%;
  animation-delay: 1.2s;
}
@keyframes chip-ping-anim {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(25, 144, 255, 0.55); }
  70% { transform: scale(1.25); box-shadow: 0 0 0 20px rgba(25, 144, 255, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 20px rgba(25, 144, 255, 0); }
}
@keyframes scan-beam {
  0%, 100% { transform: translateY(-70px); opacity: 0; }
  15% { opacity: 0.85; }
  50% { transform: translateY(70px); opacity: 0.85; }
  85% { opacity: 0.85; }
}

.hero-badge {
  position: absolute;
  left: -130px;
  top: 130px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  padding: 16px 20px;
  display: flex;
  gap: 14px;
  align-items: center;
}
.hero-badge .dot,
.hero-certs-list .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 5px var(--blue-soft);
  animation: pulse-dot 2.4s infinite;
  padding: 0;
  border: none;
  position: static;
  flex-shrink: 0;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 5px var(--blue-soft); }
  50% { box-shadow: 0 0 0 9px rgba(25, 144, 255, 0.08); }
}
.hero-badge b {
  font-family: var(--font-display);
  font-size: 14.5px;
  display: block;
  letter-spacing: -0.01em;
}
.hero-badge span {
  font-size: 12px;
  color: var(--gray);
}
.hero-certs-list {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-certs-list span {
  position: absolute;
  pointer-events: auto;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 10px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  color: var(--blue-deep);
  box-shadow: var(--shadow-sm);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
  will-change: transform;
  animation: heroFloat 5s ease-in-out infinite;
  transition: color .25s var(--ease), background-color .25s var(--ease),
              border-color .25s var(--ease), box-shadow .25s var(--ease),
              scale .25s var(--ease);
}
.hero-certs-list span:hover {
  color: var(--blue);
  background: var(--blue-soft);
  border-color: var(--blue-soft);
  scale: 1.07;
}
/* 上下浮动走独立的 translate 属性，鼠标视差由 JS 写 transform，两者叠加互不冲突 */
@keyframes heroFloat {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -10px; }
}
.cert-iso { top: -2%; left: 5%; animation-delay: -0.4s; }
.cert-mps { top: 10%; right: -6%; animation-delay: -1.7s; animation-duration: 5.6s; }
.cert-fcc { bottom: 10%; right: -2%; animation-delay: -2.9s; animation-duration: 4.7s; }
.cert-hightech { bottom: 8%; left: 5%; animation-delay: -3.8s; animation-duration: 5.4s; }
/* 入场动画 animate-scale-in 期间由该类接管 transform 通道，入场结束移除后浮动生效 */
.hero-badge {
  will-change: transform;
  animation: heroFloat 6.5s ease-in-out -2.5s infinite;
}
@media(max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-badge{left: auto;bottom: -60px;top: auto;}
  .hero-certs-list span{font-size:10px;padding:4px 8px}
  .hero-stats{gap:28px;flex-wrap:wrap}
}

/* ---------- Category strip ---------- */
.cat-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:-8px}
.cat-card{
  border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px 22px;background:#fff;
  display:flex;flex-direction:column;gap:10px;position:relative;overflow:hidden;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .3s;
}
.cat-card::after{
  content:"";position:absolute;inset:auto 0 0 0;height:3px;background:var(--blue);
  transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease);
}
.cat-card:hover{box-shadow:var(--shadow-md);border-color:transparent}
.cat-card:hover::after{transform:scaleX(1)}
.cat-card .ico{width:46px;height:46px;border-radius:13px;background:var(--blue-soft);display:grid;place-items:center;font-size:22px}
.cat-card h3{font-size:16.5px;letter-spacing:-.01em}
.cat-card p{font-size:13px;color:var(--gray);line-height:1.55}
.cat-card .cnt{font-size:12px;font-weight:800;color:var(--blue);letter-spacing:.08em;text-transform:uppercase}
@media(max-width:1080px){.cat-strip{grid-template-columns:repeat(3,1fr)}}
@media(max-width:680px){.cat-strip{grid-template-columns:repeat(2,1fr)}}
@media(max-width:460px){.cat-strip{grid-template-columns:1fr}}

/* ---------- Product cards ---------- */
.pro-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media(max-width:1080px){.pro-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.pro-grid{grid-template-columns:repeat(2,1fr);gap:16px}}
@media(max-width:460px){.pro-grid{grid-template-columns:1fr}}

.pro-card{
  border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .3s;
}
.pro-card:hover{box-shadow:var(--shadow-md);border-color:transparent}
.pro-card .thumb{
  background:var(--soft);display:grid;place-items:center;padding:8px;overflow:hidden;
  position:relative;
}
.pro-card .thumb::after{
  content:"";position:absolute;top:-4px;left:0;width:100%;height:3px;
  background:linear-gradient(90deg,transparent,var(--blue),transparent);
  box-shadow:0 0 8px var(--blue);
  opacity:0;z-index:5;
  pointer-events:none;
}
.pro-card:hover .thumb::after{
  animation:scan-sweep 2.2s cubic-bezier(.445,.05,.55,.95) 1;
  opacity:0.85;
}
@keyframes scan-sweep{
  0%{top:-4%;}
  50%{top:104%;}
  100%{top:-4%;}
}
.pro-card .thumb img{
  display:block;width:100%;height:auto;aspect-ratio:1/1;object-fit:contain;
  transition:transform .55s var(--ease);
}
.pro-card:hover .thumb img{transform:scale(1.06)}
.pro-card .body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.pro-card .model{
  font-family:var(--font-display);font-weight:750;font-size:17px;letter-spacing:.02em;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.pro-card .model .arrow{
  width:30px;height:30px;border-radius:50%;border:1.5px solid var(--line);display:grid;place-items:center;flex-shrink:0;
  transition:background .25s,border-color .25s,transform .35s var(--ease);
}
.pro-card .model .arrow svg{width:13px;height:13px}
.pro-card:hover .model .arrow{background:var(--blue);border-color:var(--blue);color:#fff;transform:rotate(45deg)}
.pro-card h3{font-size:14px;font-weight:600;color:var(--gray);line-height:1.45;letter-spacing:0;font-family:var(--font-body)}
.pro-card .tag{
  margin-top:auto;padding-top:10px;font-size:11.5px;font-weight:800;letter-spacing:.1em;
  text-transform:uppercase;color:var(--blue);
}

/* Tabs (home products) */
.tabs-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:40px}
.tab-btn{
  height:46px;padding:0 22px;border-radius:999px;border:1.5px solid var(--line);
  font-family:var(--font-display);font-weight:600;font-size:14.5px;color:var(--ink-2);background:#fff;
  transition:all .3s var(--ease);
}
.tab-btn:hover{
  border-color:var(--blue);
  color:var(--blue);
  background:var(--blue-soft);
  transform:translateY(-2px);
}
.tab-btn.on{
  background:var(--blue);
  border-color:var(--blue);
  color:#fff;
  box-shadow:0 8px 18px rgba(25,144,255,.24);
}
.tab-btn.on:hover{
  background:var(--blue-deep);
  border-color:var(--blue-deep);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 10px 22px rgba(25,144,255,.32);
}
.tab-panel{display:none;animation:fadeUp .5s var(--ease)}
.tab-panel.on{display:block}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* Filter chips (products page) */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;position:sticky;top:var(--header-h);z-index:20;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);padding:18px 0;margin-bottom:14px}
.pro-card.hide{display:none}

/* ---------- About band ---------- */
.about-band{display:grid;grid-template-columns:.92fr 1.08fr;gap:64px;align-items:center}
.about-band .visual{position:relative}
.about-band .visual img{border-radius:var(--radius-lg);box-shadow:var(--shadow-md);width:100%;min-height:360px;object-fit:cover;display:block}
.about-band .exp-chip{
  position:absolute;right:-20px;bottom:-24px;background:var(--ink);color:#fff;border-radius:18px;
  padding:22px 26px;box-shadow:var(--shadow-lg);
}
.about-band .exp-chip b{font-family:var(--font-display);font-size:40px;font-weight:750;letter-spacing:-.03em;line-height:1;display:inline-flex;align-items:flex-start}
.about-band .exp-chip b::after{content:"+";font-style:normal;color:var(--blue);font-size:.55em;margin-left:2px;transform:translateY(4px);font-weight:700}
.about-band .exp-chip span{font-size:13px;color:#aeb6c2;display:block;margin-top:6px;max-width:150px}
.about-band h2{font-size:clamp(28px,3.6vw,42px);margin:16px 0 20px}
.about-band p.lead{color:var(--gray);font-size:16.5px}
.check-list{margin-top:28px;display:grid;gap:14px}
.check-list li{display:flex;gap:13px;align-items:flex-start;font-weight:600;font-size:15.5px}
.check-list li::before{
  content:"";flex-shrink:0;width:22px;height:22px;margin-top:2px;border-radius:50%;
  background:var(--blue-soft) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%231990ff" stroke-width="3.2" stroke-linecap="round" stroke-linejoin="round"><path d="M5 13l4 4 10-10"/></svg>') center/12px no-repeat;
}
@media(max-width:920px){
  .about-band{grid-template-columns:1fr;gap:56px}
  .about-band .exp-chip{right:10px;bottom:-20px}
}

/* ---------- Why us ---------- */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.why-card{
  background:var(--soft);border-radius:var(--radius);padding:34px 28px;position:relative;overflow:hidden;
  transition:background .3s,transform .4s var(--ease);
}
.why-card:hover{background:var(--blue-soft);box-shadow:var(--shadow-sm)}
.why-card .num{
  font-family:var(--font-display);font-weight:750;font-size:15px;color:var(--blue);letter-spacing:.1em;
}
.why-card h3{font-size:19px;margin:18px 0 12px;letter-spacing:-.01em}
.why-card p{font-size:14.5px;color:var(--gray)}
.why-card .ico{position:absolute;right:18px;top:20px;font-size:30px;opacity:.16}
@media(max-width:1000px){.why-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:540px){.why-grid{grid-template-columns:1fr}}

/* ---------- Cert strip ---------- */
.cert-row{display:flex;gap:16px;flex-wrap:wrap}
.cert-pill{
  flex:1;min-width:170px;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;text-align:center;transition:border-color .3s,box-shadow .3s,transform .35s var(--ease);
}
.cert-pill:hover{border-color:var(--blue);box-shadow:var(--shadow-sm)}
.cert-pill b{font-family:var(--font-display);font-size:18px;letter-spacing:.03em;display:block}
.cert-pill span{font-size:12.5px;color:var(--gray)}

/* ---------- Certifications block (aratek-style) ---------- */
.cert-block{margin-top:8px}
.cert-block-head{max-width:680px;margin-bottom:30px}
.cert-block-head h3{font-size:clamp(24px,3vw,34px);font-weight:750;letter-spacing:-.02em;margin:10px 0 8px}
.cert-block-head p{font-size:15px;color:var(--gray);line-height:1.5}
.cert-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
@media(max-width:960px){.cert-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.cert-grid{grid-template-columns:1fr}}
.cert-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 26px;display:flex;flex-direction:column;align-items:flex-start;gap:14px;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .3s;
}
.cert-card:hover{box-shadow:var(--shadow-md);border-color:var(--blue)}
.cert-seal{
  width:64px;height:64px;display:grid;place-items:center;color:var(--blue);
  background:var(--blue-soft);border-radius:18px;flex-shrink:0;
  transition:transform .4s var(--ease),background .3s,color .3s;
}
.cert-card:hover .cert-seal{transform:scale(1.08) rotate(-3deg);background:var(--blue);color:#fff}
.cert-seal svg{width:48px;height:48px}
.cert-seal-fbi{color:#1a4b8c;background:#eaf1fb}
.cert-seal-iso{color:#0a7d3b;background:#e8f6ee}
.cert-seal-mps{color:#b3261e;background:#fdecea}
.cert-seal-fcc{color:#5b3bb8;background:#efeaf8}
.cert-seal-ht{color:#c77700;background:#fdf2e0}
.cert-seal-ip{color:var(--blue);background:var(--blue-soft)}
.cert-card h4{font-family:var(--font-display);font-size:17.5px;font-weight:750;letter-spacing:-.01em;color:var(--ink)}
.cert-card p{font-size:13.5px;color:var(--gray);line-height:1.5}

/* ---------- Certificate scroll strip ---------- */
.cert-strip-wrap{
  overflow:hidden;width:100%;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
}
.cert-strip-track{
  display:flex;gap:16px;width:max-content;
  animation:certStripScroll 40s linear infinite;
  will-change:transform;
}
.cert-strip-track:hover{animation-play-state:paused}
.cert-strip-item{
  width:200px;height:260px;flex-shrink:0;
  border-radius:14px;overflow:hidden;
  border:1px solid var(--line);background:#fff;
  box-shadow:0 4px 16px rgba(11,15,20,.06);
  transition:transform .3s var(--ease),box-shadow .3s;
}
.cert-strip-item:hover{box-shadow:var(--shadow-md)}
.cert-strip-item img{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .5s var(--ease);
}
.cert-strip-item:hover img{transform:scale(1.05)}
@keyframes certStripScroll{
  from{transform:translateX(0)}
  to{transform:translateX(-50%)}
}
@media(prefers-reduced-motion:reduce){
  .cert-strip-track{animation:none}
  .cert-strip-wrap{overflow-x:auto}
}

/* ---------- News ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);background:#fff;
}
.news-card:hover{box-shadow:var(--shadow-md)}
.news-card .thumb{aspect-ratio:16/9.6;overflow:hidden;background:var(--soft)}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.news-card:hover .thumb img{transform:scale(1.05)}
.news-card .body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-card .meta{font-size:12.5px;color:var(--gray);display:flex;gap:10px;align-items:center}
.news-card .meta em{font-style:normal;color:var(--blue);font-weight:800;letter-spacing:.08em;text-transform:uppercase;font-size:11.5px}
.news-card h3{font-size:17.5px;line-height:1.4;letter-spacing:-.01em}
.news-card p{font-size:14px;color:var(--gray);flex:1}
.news-card .more{font-weight:700;font-size:14px;color:var(--blue);display:inline-flex;gap:8px;align-items:center}
@media(max-width:920px){.news-grid{grid-template-columns:1fr}}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--ink);border-radius:var(--radius-lg);color:#fff;
  padding:72px 64px;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;right:-140px;top:-140px;width:460px;height:460px;border-radius:50%;
  background:repeating-radial-gradient(circle at center,transparent 0 19px,rgba(255,255,255,.07) 19px 20.5px);
  -webkit-mask-image:radial-gradient(circle,#000 30%,transparent 74%);mask-image:radial-gradient(circle,#000 30%,transparent 74%);
}
.cta-band h2{font-size:clamp(26px,3.4vw,40px);max-width:560px;position:relative}
.cta-band p{color:#a9b1bd;margin-top:14px;max-width:52ch;position:relative}
.cta-band .btn-blue{position:relative}
@media(max-width:640px){.cta-band{padding:52px 32px}}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{
  padding:calc(var(--header-h) + 72px) 0 64px;border-bottom:1px solid var(--line);
  position:relative;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:repeating-radial-gradient(circle at center,transparent 0 20px,var(--line) 20px 21.5px);opacity:.5;
  -webkit-mask-image:radial-gradient(circle,#000 20%,transparent 74%);mask-image:radial-gradient(circle,#000 20%,transparent 74%);
}
.page-hero .crumbs{font-size:13px;color:var(--gray);display:flex;gap:8px;margin-bottom:22px;position:relative}
.page-hero .crumbs a:hover{color:var(--blue)}
.page-hero h1{font-size:clamp(36px,5vw,60px);font-weight:750;letter-spacing:-.032em;position:relative}
.page-hero p.sub{margin-top:18px;color:var(--gray);font-size:17px;max-width:64ch;position:relative}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:34px;display:grid;gap:38px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:var(--line)}
.tl-item{position:relative}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:5px;width:20px;height:20px;border-radius:50%;
  background:#fff;border:2px solid var(--blue);box-shadow:0 0 0 5px var(--blue-soft);
}
.tl-item b{font-family:var(--font-display);font-size:21px;color:var(--blue);letter-spacing:.02em;display:block;margin-bottom:5px}
.tl-item p{color:var(--ink-2);font-size:15px;max-width:64ch}
.timeline-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px 72px}
@media(max-width:820px){.timeline-grid{grid-template-columns:1fr}}

/* ---------- Solutions / services ---------- */
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sol-card{
  border:1px solid var(--line);border-radius:var(--radius);padding:36px 30px;background:#fff;
  display:flex;flex-direction:column;gap:14px;position:relative;overflow:hidden;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .3s;
}
.sol-card:hover{box-shadow:var(--shadow-md);border-color:transparent}
.sol-card .ico{
  width:54px;height:54px;border-radius:15px;background:var(--ink);color:#fff;display:grid;place-items:center;
  transition:background .3s;
}
.sol-card:hover .ico{background:var(--blue)}
.sol-card .ico svg{width:26px;height:26px}
.sol-card h3{font-size:20px;letter-spacing:-.01em}
.sol-card p{font-size:14.5px;color:var(--gray);flex:1}
.sol-card ul{display:grid;gap:8px;border-top:1px dashed var(--line);padding-top:16px}
.sol-card ul li{font-size:13.5px;font-weight:600;color:var(--ink-2);display:flex;gap:9px;align-items:baseline}
.sol-card ul li::before{content:"-";color:var(--blue);font-weight:800}
@media(max-width:960px){.sol-grid{grid-template-columns:1fr}}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:step}
.step{padding:34px 28px 30px;border-left:1px solid var(--line);position:relative}
.step:first-child{border-left:none;padding-left:0}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-family:var(--font-display);font-weight:750;font-size:44px;letter-spacing:-.04em;
  color:transparent;-webkit-text-stroke:1.3px var(--blue);display:block;margin-bottom:16px;
}
.step h4{font-size:17px;margin-bottom:9px}
.step p{font-size:14px;color:var(--gray)}
@media(max-width:860px){
  .steps{grid-template-columns:1fr;gap:28px}
  .step{border-left:none;padding:0 0 0 0;border-top:1px solid var(--line);padding-top:26px}
  .step:first-child{border-top:none;padding-top:0}
}

.industry-row{display:flex;gap:14px;flex-wrap:wrap}
.industry-chip{
  padding:13px 24px;border:1.5px solid var(--line);border-radius:999px;font-weight:650;font-size:14.5px;color:var(--ink-2);
  transition:all .25s var(--ease);
}
.industry-chip:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-soft)}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:start}
@media(max-width:920px){.contact-grid{grid-template-columns:1fr}}
.info-list{display:grid;gap:16px}
.info-item{
  border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;display:flex;gap:18px;align-items:flex-start;
  transition:border-color .3s,box-shadow .3s;
}
.info-item:hover{border-color:var(--blue);box-shadow:var(--shadow-sm)}
.info-item .ico{
  width:46px;height:46px;border-radius:13px;background:var(--blue-soft);color:var(--blue);
  display:grid;place-items:center;flex-shrink:0;
}
.info-item .ico svg{width:22px;height:22px}
.info-item b{font-family:var(--font-display);font-size:15px;display:block;margin-bottom:3px;letter-spacing:.01em}
.info-item span{font-size:14.5px;color:var(--gray);line-height:1.6}
.info-item a:hover{color:var(--blue)}

.form-card{
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:42px;background:#fff;box-shadow:var(--shadow-sm);
}
.form-card h3{font-size:24px;margin-bottom:8px}
.form-card>p{color:var(--gray);font-size:14.5px;margin-bottom:28px}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:560px){.f-row{grid-template-columns:1fr}}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:750;letter-spacing:.04em;margin-bottom:8px;color:var(--ink-2)}
.field input,.field select,.field textarea{
  width:100%;border:1.5px solid var(--line);border-radius:12px;padding:13px 16px;font-size:15px;background:#fff;
  transition:border-color .2s,box-shadow .2s;outline:none;
}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px var(--blue-soft)}
.form-note{font-size:12.5px;color:var(--gray);margin-top:14px}
.form-success{
  display:none;background:var(--blue-soft);border:1px solid #c9d6ff;color:var(--blue-deep);
  border-radius:12px;padding:14px 18px;font-size:14.5px;font-weight:650;margin-bottom:20px;
}
.form-success.show{display:block}

.map-band{
  margin-top:64px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  background:var(--soft);min-height:280px;display:grid;place-items:center;position:relative;
}
.map-band .pin{text-align:center;color:var(--gray)}
.map-band .pin .ico{font-size:40px;color:var(--blue);display:block;margin-bottom:8px}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#c6ccd6;margin-top:110px}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:48px;padding:76px 0 56px;
}
.site-footer .brand-word{color:#fff}
.site-footer .brand-mark{background:#fff;color:var(--ink)}
.footer-brand p{font-size:14px;color:#8b93a1;margin-top:20px;max-width:34ch;line-height:1.7}
.footer-col h4{
  color:#fff;font-size:13px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;margin-bottom:22px;
}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14.5px;color:#9aa2b0;transition:color .2s,padding-left .25s}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-contact li{display:flex;gap:12px;font-size:14.5px;color:#9aa2b0;line-height:1.6}
.footer-contact li svg{width:18px;height:18px;flex-shrink:0;margin-top:3px;color:var(--blue)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);padding:24px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#707885;
}
.footer-bottom a:hover{color:#fff}
@media(max-width:960px){.footer-top{grid-template-columns:1fr 1fr;gap:40px}}
@media(max-width:560px){.footer-top{grid-template-columns:1fr}}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}
.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- Hero entrance animations (CozyPaws-style) ---------- */
@keyframes wordPop {
  0%   { opacity: 0; transform: translateY(60px) scale(0.7) rotate(-4deg); filter: blur(8px); }
  60%  { opacity: 1; transform: translateY(-6px) scale(1.08) rotate(1deg); filter: blur(0); }
  100% { opacity: 1; transform: translateY(0) scale(1) rotate(0); filter: blur(0); }
}
@keyframes fadeUpAnim {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInAnim {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes slideUpAnim {
  from { opacity: 0; transform: translateY(60px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideInLeftAnim {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes slideInRightAnim {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes textRevealAnim {
  from { opacity: 0; transform: translateY(40px) skewY(3deg); filter: blur(4px); }
  to   { opacity: 1; transform: translateY(0) skewY(0); filter: blur(0); }
}
@keyframes scaleInAnim {
  from { opacity: 0; transform: scale(0.85); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes photoRevealAnim {
  from { opacity: 0; transform: translateY(80px) scale(1.02); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.animate-word-pop {
  display: inline-block;
  opacity: 0;
  animation: wordPop 0.9s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}
.hero h1 .animate-word-pop { margin-right: 0.25em; }
.animate-fade-up    { animation: fadeUpAnim 0.8s cubic-bezier(0.16, 1, 0.3, 1) both; }
.animate-fade-in    { animation: fadeInAnim 0.6s ease-out both; }
.animate-slide-up   { animation: slideUpAnim 0.9s cubic-bezier(0.16, 1, 0.3, 1) both; }
.animate-slide-in-left  { animation: slideInLeftAnim 0.8s cubic-bezier(0.16, 1, 0.3, 1) both; }
.animate-slide-in-right { animation: slideInRightAnim 0.8s cubic-bezier(0.16, 1, 0.3, 1) both; }
.animate-text-reveal { animation: textRevealAnim 1s cubic-bezier(0.16, 1, 0.3, 1) both; }
.animate-scale-in   { animation: scaleInAnim 0.7s cubic-bezier(0.16, 1, 0.3, 1) both; }
.animate-photo-reveal { animation: photoRevealAnim 1.1s cubic-bezier(0.16, 1, 0.3, 1) both; }

.anim-delay-100  { animation-delay: 0.1s; }
.anim-delay-200  { animation-delay: 0.2s; }
.anim-delay-300  { animation-delay: 0.3s; }
.anim-delay-400  { animation-delay: 0.4s; }
.anim-delay-500  { animation-delay: 0.5s; }
.anim-delay-600  { animation-delay: 0.6s; }
.anim-delay-700  { animation-delay: 0.7s; }
.anim-delay-800  { animation-delay: 0.8s; }
.anim-delay-900  { animation-delay: 0.9s; }
.anim-delay-1000 { animation-delay: 1.0s; }
.anim-delay-1100 { animation-delay: 1.1s; }
.anim-delay-1200 { animation-delay: 1.2s; }

@media(prefers-reduced-motion:reduce){
  .animate-word-pop,.animate-fade-up,.animate-fade-in,.animate-slide-up,
  .animate-slide-in-left,.animate-slide-in-right,.animate-text-reveal,
  .animate-scale-in,.animate-photo-reveal,.hero-certs-list span,.hero-badge{animation:none!important;opacity:1!important;transform:none!important;filter:none!important}
}

/* ---------- Product Finder Modal (80% viewport) ---------- */
.finder-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(11, 15, 20, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s, visibility 0.35s;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.finder-backdrop.open {
  opacity: 1;
  visibility: visible;
}
.finder-modal {
  width: min(1120px, 92vw);
  height: min(760px, 92vh);
  max-height: 100%;
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  transform: scale(0.96) translateY(10px);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s;
  overflow: hidden;
}
.finder-backdrop.open .finder-modal {
  transform: scale(1) translateY(0);
  opacity: 1;
}
.finder-modal-header {
  position: relative;
  padding: 28px 32px 22px;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  background: #ffffff;
}
.finder-modal-header h3 {
  font-size: 20px;
  font-weight: 750;
  color: var(--ink);
  letter-spacing: -0.015em;
}
.finder-modal-header p {
  font-size: 13px;
  color: var(--gray);
  margin-top: 4px;
}
.finder-progress {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--soft);
}
.finder-progress > span {
  display: block;
  height: 100%;
  background: var(--blue);
  transition: width 0.4s var(--ease);
}
.finder-close {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--soft);
  color: var(--ink);
  display: grid;
  place-items: center;
  transition: background 0.2s, transform 0.2s;
}
.finder-close:hover {
  background: var(--line);
  transform: scale(1.05);
}
.finder-close svg {
  width: 17px;
  height: 17px;
}
.finder-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 32px;
  display: flex;
  flex-direction: column;
}
.finder-step {
  display: none;
  flex-direction: column;
  height: 100%;
}
.finder-step.active {
  display: flex;
}
.finder-step h4 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 750;
  color: var(--ink);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.finder-step > p {
  font-size: 14.5px;
  color: var(--gray);
  margin-bottom: 28px;
}
.finder-opts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}
@media(max-width: 720px) {
  .finder-opts { grid-template-columns: repeat(2, 1fr); }
  .finder-modal { width: 100%; height: 100%; border-radius: 0; }
}
@media(max-width: 520px) {
  .finder-opts { grid-template-columns: 1fr; }
}
.finder-opt {
  border: 1.5px solid var(--line);
  border-radius: 16px;
  padding: 0;
  text-align: left;
  background: #ffffff;
  cursor: pointer;
  overflow: hidden;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.finder-opt:hover {
  border-color: var(--blue);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}
.finder-opt-thumb {
  display: block;
  width: 100%;
  height: 120px;
  overflow: hidden;
  background: var(--soft);
  position: relative;
}
.finder-opt-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s var(--ease);
}
.finder-opt:hover .finder-opt-thumb img { transform: scale(1.07); }
.finder-opt-ico {
  display: grid;
  place-items: center;
  width: 100%;
  height: 120px;
  background: var(--blue-soft);
  color: var(--blue);
}
.finder-opt-ico svg {
  width: 40px;
  height: 40px;
}
.finder-opt-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px 18px;
}
.finder-opt-label {
  font-size: 14.5px;
  font-weight: 750;
  color: var(--ink);
  line-height: 1.3;
}
.finder-opt small {
  font-size: 12.5px;
  color: var(--gray);
  line-height: 1.5;
}
.finder-opt.selected {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-soft);
}
.finder-opt.selected .finder-opt-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(214, 47, 47, 0.12);
}
.finder-opt svg {
  width: 26px;
  height: 26px;
  color: var(--blue);
}
.finder-nav {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.finder-nav button {
  height: 44px;
  padding: 0 24px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: 0.2s;
}
.finder-prev {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-2);
}
.finder-prev:hover { background: var(--soft); }
.finder-next, .finder-finish {
  background: var(--blue);
  border: 1px solid var(--blue);
  color: #ffffff;
}
.finder-next:disabled, .finder-finish:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.finder-next:not(:disabled):hover, .finder-finish:not(:disabled):hover {
  background: var(--blue-deep);
}

/* Finder results */
.finder-results-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 750;
  color: var(--ink);
  margin-bottom: 20px;
}
.finder-results-title span {
  color: var(--blue);
}
.finder-results-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  overflow-y: auto;
  padding-top:5px;
}
@media(max-width: 720px) {
  .finder-results-list { grid-template-columns: 1fr; }
}
.finder-result-item {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  display: flex;
  gap: 14px;
  align-items: center;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
  text-decoration: none;
}
.finder-result-item:hover {
  border-color: var(--blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.finder-result-thumb {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  background: var(--soft);
  display: grid;
  place-items: center;
  padding: 6px;
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid var(--line);
}
.finder-result-thumb img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
}
.finder-result-info {
  flex: 1;
  min-width: 0;
}
.finder-result-meta {
  display: flex;
  gap: 8px;
  align-items: center;
}
.finder-result-cat {
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--blue);
}
.finder-result-cert {
  font-size: 9px;
  font-weight: 750;
  background: var(--blue-soft);
  color: var(--blue-deep);
  padding: 1px 6px;
  border-radius: 4px;
}
.finder-result-title {
  font-size: 14px;
  font-weight: 750;
  color: var(--ink);
  margin-top: 4px;
  line-height: 1.35;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.finder-result-model {
  font-size: 12px;
  color: var(--gray);
  margin-top: 2px;
}
.finder-result-arrow {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--gray);
  display: grid;
  place-items: center;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  flex-shrink: 0;
}
.finder-result-arrow svg {
  width: 13px;
  height: 13px;
  transition: transform 0.25s;
}
.finder-result-item:hover .finder-result-arrow {
  background: var(--blue);
  border-color: var(--blue);
  color: #ffffff;
}
.finder-result-item:hover .finder-result-arrow svg {
  transform: translateX(2px);
}
.finder-no-results {
  text-align: center;
  padding: 50px 20px;
  color: var(--gray);
}
.finder-no-results svg {
  width: 44px;
  height: 44px;
  margin-bottom: 14px;
  color: var(--gray);
  opacity: 0.4;
}
.finder-no-results p {
  font-size: 14px;
  font-weight: 600;
}

/* ---------- Bento Grid Categories & Selector ---------- */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px;
}
@media(max-width: 960px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media(max-width: 640px) {
  .bento-grid {
    grid-template-columns: 1fr;
  }
}
.bento-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 34px;
  background: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 290px;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.3s;
}
.bento-card[data-href] { cursor: pointer; }
.bento-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--blue);
}
.bento-card-2col {
  grid-column: span 2;
}
@media(max-width: 960px) {
  .bento-card-2col {
    grid-column: span 2;
  }
}
@media(max-width: 640px) {
  .bento-card-2col {
    grid-column: span 1;
  }
}

.bento-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
}
.bento-card-title h3 {
  font-size: 21px;
  font-weight: 750;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.bento-card-title p {
  font-size: 13.5px;
  color: var(--gray);
  margin-top: 6px;
  line-height: 1.45;
  max-width: 44ch;
}
.bento-card-ico {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--blue-soft);
  color: var(--blue);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  transition: background 0.3s, color 0.3s, transform 0.3s;
}
.bento-card:hover .bento-card-ico {
  background: var(--blue);
  color: #ffffff;
  transform: scale(1.05);
}
.bento-card-ico svg {
  width: 28px;
  height: 28px;
}

.bento-card-body {
  margin-top: 28px;
}
.bento-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.bento-tag {
  font-size: 11px;
  font-weight: 750;
  background: var(--soft);
  color: var(--ink-2);
  padding: 5px 12px;
  border-radius: 99px;
  transition: background 0.2s, color 0.2s;
}
.bento-card:hover .bento-tag {
  background: var(--blue-soft);
  color: var(--blue);
}

.bento-models-list {
  display: flex;
  gap: 16px;
  border-top: 1px dashed var(--line);
  padding-top: 18px;
  flex-wrap: wrap;
}
.bento-model-link {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-2);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color 0.2s, transform 0.2s;
}
.bento-model-link::after {
  content: "\2192";
  transition: transform 0.25s;
}
.bento-model-link:hover {
  color: var(--blue);
}
.bento-model-link:hover::after {
  transform: translateX(3px);
}

/* Product Finder Entry */
.finder-entry {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 24px;
  margin-bottom: 48px;
}
@media(max-width: 760px) {
  .finder-entry {
    flex-direction: column;
    align-items: stretch;
    padding: 24px;
    gap: 18px;
  }
}
.finder-entry-copy h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 750;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}
.finder-entry-copy p {
  font-size: 14px;
  color: var(--gray);
  max-width: 52ch;
}
.finder-entry .btn-blue {
  height: 48px;
  padding: 0 26px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.finder-entry .btn-blue svg {
  width: 18px;
  height: 18px;
}

/* Trust bar */
.trustbar {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
  padding: 26px 0;
}
.trustbar .container {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}
.trustbar-label {
  font-size: 11px;
  color: var(--gray);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
}
.trustbar-logos {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
}
.trustbar-logos span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--ink-2);
  letter-spacing: 0.02em;
  opacity: 0.7;
  transition: 0.25s;
}
.trustbar-logos span:hover { opacity: 1; color: var(--blue); }

/* Solutions grid */
.sol-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.sol-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s, border-color 0.3s;
}
.sol-card:hover {
  transform: translateY(-5px);
  border-color: var(--blue);
  box-shadow: var(--shadow-md);
}
.sol-lg {
  grid-column: span 2;
  display: flex;
  flex-direction: column;
}
.sol-tag {
  display: inline-flex;
  width: fit-content;
  font-size: 11px;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--blue);
  background: var(--blue-soft);
  padding: 6px 12px;
  border-radius: 99px;
  margin-bottom: 16px;
}
.sol-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 750;
  color: var(--ink);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.sol-card p {
  font-size: 14.5px;
  color: var(--gray);
  line-height: 1.6;
  margin-bottom: 18px;
}
.sol-card ul {
  list-style: none;
  margin-top: auto;
  margin-bottom: 18px;
}
.sol-card ul li {
  font-size: 14px;
  color: var(--ink-2);
  padding-left: 20px;
  position: relative;
  margin-bottom: 8px;
}
.sol-card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
}
.sol-link {
  font-size: 14px;
  font-weight: 700;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.sol-link::after { content: "\2192"; transition: transform 0.25s; }
.sol-link:hover::after { transform: translateX(4px); }
@media(max-width: 960px) {
  .sol-grid { grid-template-columns: 1fr 1fr; }
  .sol-lg { grid-column: span 2; }
}
@media(max-width: 640px) {
  .sol-grid { grid-template-columns: 1fr; }
  .sol-lg { grid-column: span 1; }
}

/* ---------- Bento Light Grid (Solutions) ---------- */
.bento-section{background:var(--soft);padding:96px 0}
.bento-head{max-width:760px;margin-bottom:40px}
.bento-head h2{
  font-family:var(--font-display);font-size:clamp(32px,5vw,56px);font-weight:800;
  letter-spacing:-.03em;line-height:1;color:var(--ink);
}
.bento-head p{
  margin-top:12px;font-size:clamp(16px,2vw,24px);font-weight:500;line-height:1.4;
  background:linear-gradient(to bottom right,var(--ink),rgba(11,15,20,.25));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;
}
.bento-grid{
  display:grid;grid-template-columns:1fr;gap:16px;
}
@media(min-width:1024px){
  .bento-grid{grid-template-columns:repeat(6,1fr);grid-template-rows:repeat(2,1fr);gap:16px}
}
.bento-cell{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  border-radius:12px;background:#fff;
  border:1px solid var(--line);
  box-shadow:0 -20px 80px -20px rgba(25,144,255,.06) inset;
  transition:transform .4s var(--ease),border-color .3s,box-shadow .3s;
  min-height:420px;
}
.bento-cell:hover{border-color:rgba(25,144,255,.3);box-shadow:var(--shadow-md)}
@media(min-width:1024px){
  .bento-cell{min-height:auto}
  .bento-span-3{grid-column:span 3}
  .bento-span-2{grid-column:span 2}
  .bento-radius-tl{border-top-left-radius:32px}
  .bento-radius-tr{border-top-right-radius:32px}
  .bento-radius-bl{border-bottom-left-radius:32px}
  .bento-radius-br{border-bottom-right-radius:32px}
}
.bento-graphic{
  position:relative;height:18rem;flex-shrink:0;overflow:hidden;
}
.bento-graphic img{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .6s var(--ease);
}
.bento-cell:hover .bento-graphic img{transform:scale(1.06)}
.bento-body{
  position:relative;z-index:2;margin-top:-90px;padding:20px 24px 22px;
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  background:rgba(255,255,255,.65);
  min-height:11rem;
}
.bento-eyebrow{
  font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;
  color:var(--blue);display:block;margin-bottom:6px;
}
.bento-body h3{
  font-family:var(--font-display);font-size:26px;font-weight:700;color:var(--ink);
  letter-spacing:-.01em;line-height:1.2;
}
.bento-body p{
  margin-top:8px;font-size:16px;line-height:1.55;color:var(--gray);max-width:560px;
}
@media(max-width:1023px){
  .bento-cell:first-child{border-top-left-radius:32px;border-top-right-radius:32px}
  .bento-cell:last-child{border-bottom-left-radius:32px;border-bottom-right-radius:32px}
}
@media(prefers-reduced-motion:reduce){
  .bento-cell:hover{transform:none}
  .bento-cell:hover .bento-graphic img{transform:none}
}

/* Case studies grid */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.case-card {
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s, border-color 0.3s;
}
.case-card:hover {
  transform: translateY(-5px);
  border-color: var(--blue);
  box-shadow: var(--shadow-md);
}
.case-meta {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.case-tag {
  font-size: 11px;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--blue);
  background: var(--blue-soft);
  padding: 5px 10px;
  border-radius: 99px;
}
.case-loc {
  font-size: 12px;
  color: var(--gray);
  font-weight: 600;
}
.case-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 750;
  color: var(--ink);
  margin-bottom: 10px;
  line-height: 1.3;
}
.case-card > p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.6;
  margin-bottom: 20px;
}
.case-stats {
  display: flex;
  gap: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  margin-bottom: 22px;
}
.case-stats > div { display: flex; flex-direction: column; }
.case-stats b {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 750;
  color: var(--ink);
  line-height: 1;
}
.case-stats span {
  font-size: 12px;
  color: var(--gray);
  margin-top: 4px;
}
.case-link {
  font-size: 14px;
  font-weight: 700;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.case-link::after { content: "\2192"; transition: transform 0.25s; }
.case-link:hover::after { transform: translateX(4px); }
@media(max-width: 960px) {
  .case-grid { grid-template-columns: 1fr 1fr; }
}
@media(max-width: 640px) {
  .case-grid { grid-template-columns: 1fr; }
}

/* ---------- Category pages ---------- */
.cat-scenario-grid,
.cat-feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cat-case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.cat-products-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }

.cat-scenario-card,
.cat-feature-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  background: #fff;
  transition: border-color .3s, box-shadow .3s, transform .3s;
}
.cat-scenario-card:hover,
.cat-feature-card:hover { border-color: var(--blue); box-shadow: var(--shadow-md); }

.cat-scenario-ico,
.cat-feature-ico {
  width: 48px; height: 48px;
  border-radius: 14px;
  background: var(--blue-soft);
  color: var(--blue);
  display: grid; place-items: center;
  margin-bottom: 18px;
}
.cat-scenario-ico svg,
.cat-feature-ico svg { width: 24px; height: 24px; }

.cat-scenario-card h3,
.cat-feature-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.cat-scenario-card p,
.cat-feature-card p { color: var(--gray); font-size: 14px; line-height: 1.55; }

.cat-case-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  transition: box-shadow .3s, transform .3s;
}
.cat-case-card:hover { box-shadow: var(--shadow-md); }
.cat-case-img { height: 100%; min-height: 240px; }
.cat-case-img img { width: 100%; height: 100%; object-fit: cover; }
.cat-case-body { padding: 32px; }
.cat-case-stat { display: flex; align-items: baseline; gap: 8px; margin-bottom: 14px; }
.cat-case-stat b { font-family: var(--font-display); font-size: 36px; font-weight: 750; color: var(--blue); letter-spacing: -.03em; }
.cat-case-stat span { font-size: 13px; color: var(--gray); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.cat-case-body h3 { font-family: var(--font-display); font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.cat-case-body p { color: var(--gray); font-size: 14.5px; line-height: 1.55; }

.cat-product-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.cat-product-card:hover { box-shadow: var(--shadow-md); border-color: var(--blue); }
.cat-product-thumb { height: 200px; background: var(--soft); display: grid; place-items: center; }
.cat-product-thumb img { max-height: 90%; max-width: 90%; object-fit: contain; }
.cat-product-body { padding: 26px; display: flex; flex-direction: column; flex: 1; min-width: 0; }
.cat-product-body .tag { align-self: flex-start; }
.cat-product-body h3 { font-family: var(--font-display); font-size: 20px; font-weight: 700; margin: 12px 0 6px; }
.cat-product-body p { color: var(--gray); font-size: 14px; line-height: 1.5; flex: 1; min-width: 0; word-break: break-word; }
.cat-product-link {
  margin-top: 18px;
  font-size: 14px;
  font-weight: 700;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.cat-product-link svg { width: 14px; height: 14px; }

@media(max-width: 960px) {
  .cat-scenario-grid,
  .cat-feature-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-case-card { grid-template-columns: 1fr; }
  .cat-case-img { min-height: 200px; }
  .cat-products-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media(max-width: 640px) {
  .cat-scenario-grid,
  .cat-feature-grid,
  .cat-products-grid { grid-template-columns: minmax(0, 1fr); }
}

/* Category hero */
.cat-hero {
  padding-bottom: 110px;
  overflow: hidden;
}
.cat-hero-layout {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: center;
}
.cat-hero-text h1 {
  font-size: clamp(42px, 5.6vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.035em;
}
.cat-hero-text .sub {
  font-size: 18px;
  max-width: 50ch;
  margin-top: 22px;
  color: var(--gray);
}
.cat-hero-cta {
  margin-top: 36px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.cat-hero-visual {
  position: relative;
}
.cat-hero-img {
  position: relative;
  z-index: 2;
  background: #fff;
  border-radius: 24px;
  padding: 36px;
  box-shadow: 0 32px 80px rgba(11, 15, 20, .12), 0 12px 30px rgba(11, 15, 20, .06);
  border: 1px solid var(--line);
  animation: catHeroFloat 6s ease-in-out infinite;
}
.cat-hero-img img {
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: contain;
  display: block;
}
.cat-hero-visual::before {
  content: "";
  position: absolute;
  top: -24px; right: -24px; bottom: 24px; left: 24px;
  background: var(--blue-soft);
  border-radius: 30px;
  z-index: 0;
  opacity: .75;
}
@keyframes catHeroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* Category scenarios split */
.cat-scenarios {
  padding: 110px 0;
}
.cat-scenarios .section-head,
.cat-features .section-head,
#cat-cases .section-head,
#cat-products .section-head { margin-bottom: 56px; }
.cat-scenario-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.cat-scenario-visual {
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
  aspect-ratio: 4 / 3;
  position: relative;
}
.cat-scenario-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(25,144,255,.05), transparent 50%);
  pointer-events: none;
}
.cat-scenario-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.cat-scenario-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.cat-scenario-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.cat-scenario-item:hover {
  transform: translateY(-4px);
  border-color: var(--blue);
  box-shadow: var(--shadow-md);
}
.cat-scenario-item .cat-scenario-ico {
  flex-shrink: 0;
  margin-bottom: 0;
}
.cat-scenario-item h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 4px;
}
.cat-scenario-item p {
  color: var(--gray);
  font-size: 14px;
  line-height: 1.55;
}

/* Category features */
.cat-features {
  background: var(--soft);
  padding: 110px 0;
}

/* Stronger product hover */
.cat-product-card:hover .cat-product-thumb img { transform: scale(1.05); }
.cat-product-thumb img { transition: transform .4s var(--ease); }

@media(max-width: 640px) {
  .cat-scenario-grid,
  .cat-feature-grid,
  .cat-products-grid { grid-template-columns: 1fr; }
  .cat-hero-layout,
  .cat-scenario-split { grid-template-columns: 1fr; }
  .cat-hero-img { padding: 24px; }
  .cat-hero-visual::before { display: none; }
}

@media(max-width: 960px) {
  .cat-hero-layout,
  .cat-scenario-split { grid-template-columns: 1fr; gap: 42px; }
  .cat-hero { padding-bottom: 70px; }
}
/* ---------- Bento hover interactions ---------- */
.bento-arrow{position:absolute;top:16px;right:16px;width:26px;height:26px;color:#fff;z-index:3;filter:drop-shadow(0 2px 4px rgba(0,0,0,.3));transition:transform .5s var(--ease);pointer-events:none}
.bento-cell:hover .bento-arrow{transform:rotate(-45deg)}

/* ---------- Bento heading letter animation ---------- */
.bento-body h3.sc-heading{font-size:0;line-height:1;margin:0}
.sc-letter{display:inline-block;height:32px;overflow:hidden;vertical-align:top}
.sc-letter-track{display:flex;flex-direction:column;min-width:4px;transition:transform .5s var(--ease)}
.bento-cell:hover .sc-letter-track{transform:translateY(-50%)}
.sc-letter-item{display:block;height:32px;line-height:32px;font-size:26px;font-weight:700;color:currentColor}

/* ================= Mega-menu "View All Products" link ================= */
.mega-menu-sidebar { justify-content: flex-start; }
.mega-menu-view-all {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; width: 100%;
  margin-top: 14px; padding: 14px 16px;
  border-top: 1px solid var(--line);
  border-radius: 10px;
  font-size: 14px; font-weight: 700; color: var(--blue);
  text-decoration: none; background: transparent;
  transition: background .25s, transform .25s;
}
.mega-menu-view-all svg { width: 18px; height: 18px; transition: transform .25s var(--ease); }
.mega-menu-view-all:hover { background: var(--blue-soft); transform: translateX(4px); }
.mega-menu-view-all:hover svg { transform: translateX(3px); }

/* ================= Pagination ================= */
.pager {
  display: flex; align-items: center; justify-content: center;
  gap: 8px; flex-wrap: wrap;
  margin-top: 56px; padding-top: 36px;
  border-top: 1px solid var(--line);
}
.pager-btn {
  min-width: 44px; height: 44px; padding: 0 14px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: 12px;
  background: var(--white); color: var(--ink-2);
  font-size: 15px; font-weight: 600; font-family: inherit;
  cursor: pointer; text-decoration: none;
  transition: all .2s var(--ease);
}
.pager-btn:hover:not(:disabled):not(.on) {
  border-color: var(--blue); color: var(--blue); background: var(--blue-soft);
}
.pager-btn.on {
  background: var(--blue); border-color: var(--blue); color: #fff;
  box-shadow: 0 8px 20px rgba(25,144,255,.28);
}
.pager-btn:disabled { opacity: .4; cursor: not-allowed; }
.pager-btn svg { width: 18px; height: 18px; }
.pager-ellipsis { padding: 0 6px; color: var(--gray); font-weight: 700; }
.pager-info { width: 100%; text-align: center; color: var(--gray); font-size: 14px; margin-bottom: 4px; }

/* ================= Category list page ================= */
.cat-list-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap; margin-bottom: 32px;
}
.cat-list-count { color: var(--gray); font-size: 15px; }
.cat-list-count b { color: var(--ink); }

/* ================= Detail pages ================= */
.detail-hero { padding: 64px 0 40px; background: var(--soft); border-bottom: 1px solid var(--line); }
.detail-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.detail-gallery { position: sticky; top: 100px; }
.detail-main-img {
  border-radius: var(--radius-lg); overflow: hidden;
  background: #fff; border: 1px solid var(--line);
  box-shadow: var(--shadow-md); aspect-ratio: 4/3;
}
.detail-main-img img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.detail-thumbs { display: flex; gap: 12px; margin-top: 14px; flex-wrap: wrap; }
.detail-thumb {
  width: 84px; height: 64px; border-radius: 10px; overflow: hidden;
  border: 2px solid var(--line); background: #fff; cursor: pointer;
  transition: border-color .2s;
}
.detail-thumb img { width: 100%; height: 100%; object-fit: contain; }
.detail-thumb:hover, .detail-thumb.on { border-color: var(--blue); }
.detail-eyebrow { color: var(--blue); font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.detail-title { font-size: clamp(28px, 3.4vw, 44px); line-height: 1.1; font-weight: 800; margin: 14px 0 18px; letter-spacing: -.02em; }
.detail-lead { font-size: 18px; color: var(--ink-2); line-height: 1.6; margin-bottom: 28px; }
.detail-specs {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 26px; margin-bottom: 28px;
}
.detail-specs h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--gray); margin: 0 0 14px; font-weight: 700; }
.detail-spec-row { display: flex; justify-content: space-between; gap: 16px; padding: 11px 0; border-bottom: 1px dashed var(--line); font-size: 15px; }
.detail-spec-row:last-child { border-bottom: none; }
.detail-spec-row .k { color: var(--gray); }
.detail-spec-row .v { color: var(--ink); font-weight: 600; text-align: right; }
.detail-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.detail-body { padding: 64px 0; }
.detail-body-grid { display: grid; grid-template-columns: 220px 1fr; gap: 56px; align-items: start; }
.detail-toc { position: sticky; top: 100px; }
.detail-toc h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--gray); margin: 0 0 14px; font-weight: 700; }
.detail-toc a { display: block; padding: 8px 0; color: var(--ink-2); text-decoration: none; font-size: 15px; border-left: 2px solid var(--line); padding-left: 14px; transition: all .2s; }
.detail-toc a:hover, .detail-toc a.on { color: var(--blue); border-color: var(--blue); }
.detail-prose { max-width: 760px; }
.detail-prose h2 { font-size: 26px; font-weight: 800; margin: 48px 0 16px; letter-spacing: -.01em; }
.detail-prose h2:first-child { margin-top: 0; }
.detail-prose h3 { font-size: 19px; font-weight: 700; margin: 28px 0 12px; }
.detail-prose p { color: var(--ink-2); line-height: 1.75; margin: 0 0 18px; font-size: 16px; }
.detail-prose ul { padding-left: 20px; margin: 0 0 18px; }
.detail-prose li { color: var(--ink-2); line-height: 1.7; margin-bottom: 8px; }
.detail-prose img { border-radius: var(--radius); margin: 24px 0; width: 100%; }
.detail-feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin: 28px 0; }
.detail-feature-card { background: var(--soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.detail-feature-card h4 { font-size: 16px; font-weight: 700; margin: 0 0 8px; }
.detail-feature-card p { font-size: 14px; margin: 0; color: var(--gray); line-height: 1.6; }

/* News / case detail variants */
.news-detail-hero { padding: 72px 0 40px; background: var(--soft); border-bottom: 1px solid var(--line); }
.news-detail-meta { display: flex; gap: 16px; align-items: center; color: var(--gray); font-size: 14px; margin-bottom: 18px; }
.news-detail-meta em { font-style: normal; color: var(--blue); font-weight: 700; }
.news-detail-cover { border-radius: var(--radius-lg); overflow: hidden; margin: 40px 0 0; box-shadow: var(--shadow-md); }
.news-detail-cover img { width: 100%; display: block; }
.news-detail-wrap { max-width: 820px; margin: 0 auto; }
.case-detail-hero { padding: 72px 0 48px; background: var(--soft); border-bottom: 1px solid var(--line); }
.case-detail-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-top: 32px; }
.case-detail-stat { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; text-align: center; }
.case-detail-stat b { display: block; font-size: 34px; font-weight: 800; color: var(--blue); }
.case-detail-stat span { color: var(--gray); font-size: 14px; }

@media(max-width: 960px) {
  .detail-layout, .detail-body-grid { grid-template-columns: 1fr; gap: 32px; }
  .detail-gallery, .detail-toc { position: static; }
  .detail-feature-grid, .case-detail-stats { grid-template-columns: 1fr; }
}

/* ======================= begin: v3.css ============================ */
/* ============================================================
   Norstar v3 — Enterprise Biometric Design System
   Inspired by Aratek.co: High-trust, conversion-focused B2B hardware UX.
   Extends and refines assets/css/style-blue.css
   ============================================================ */

:root {
  --v3-navy: #0a192f;
  --v3-navy-deep: #060e1d;
  --v3-blue: #1990ff;
  --v3-blue-hover: #096dd9;
  --v3-blue-light: #e8f4ff;
  --v3-blue-subtle: #f0f7ff;
  --v3-dark: #0f172a;
  --v3-slate-900: #0f172a;
  --v3-slate-800: #1e293b;
  --v3-slate-700: #334155;
  --v3-slate-600: #475569;
  --v3-slate-500: #64748b;
  --v3-slate-400: #94a3b8;
  --v3-slate-300: #cbd5e1;
  --v3-slate-200: #e2e8f0;
  --v3-slate-100: #f1f5f9;
  --v3-slate-50: #f8fafc;
  --v3-border: #e2e8f0;
  --v3-border-subtle: #edf2f7;
  --v3-card-bg: #ffffff;
  --v3-shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --v3-shadow-sm: 0 2px 6px rgba(15, 23, 42, 0.06);
  --v3-shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --v3-shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
  --v3-radius-sm: 6px;
  --v3-radius-md: 10px;
  --v3-radius-lg: 16px;
  --v3-radius-xl: 24px;
  --v3-font-sans: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --v3-font-mono: "JetBrains Mono", Consolas, monospace;
}

/* Base resets & tweaks */
body {
  color: var(--v3-slate-800);
  background-color: #ffffff;
  -webkit-font-smoothing: antialiased;
}

/* Accessibility focus */
:focus-visible {
  outline: 2px solid var(--v3-blue);
  outline-offset: 3px;
}

/* Page Hero — Aratek Enterprise Style */
.v3-hero {
  position: relative;
  background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
  border-bottom: 1px solid var(--v3-border);
  padding: calc(var(--header-h) + 48px) 0 48px;
  overflow: hidden;
}

.v3-hero-pattern {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(25, 144, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(25, 144, 255, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
}

.v3-crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--v3-slate-500);
  margin-bottom: 16px;
}

.v3-crumbs a {
  color: var(--v3-slate-500);
  text-decoration: none;
  transition: color 0.2s;
}

.v3-crumbs a:hover {
  color: var(--v3-blue);
}

.v3-crumbs .sep {
  color: var(--v3-slate-300);
}

.v3-crumbs .here {
  color: var(--v3-slate-800);
  font-weight: 500;
}

.v3-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 9999px;
  background: var(--v3-blue-light);
  color: var(--v3-blue);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.v3-hero-title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--v3-navy);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  max-width: 820px;
}

.v3-hero-lead {
  font-size: clamp(16px, 1.8vw, 19px);
  color: var(--v3-slate-600);
  line-height: 1.6;
  max-width: 760px;
  margin-bottom: 32px;
}

/* Metric ribbon (spec band) */
.v3-spec-band {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--v3-border);
}

.v3-spec-cell {
  display: flex;
  flex-direction: column;
}

.v3-spec-cell .k {
  font-size: 12px;
  text-transform: uppercase;
  color: var(--v3-slate-500);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.v3-spec-cell .v {
  font-size: 18px;
  font-weight: 700;
  color: var(--v3-navy);
}

.v3-spec-cell .v.mono {
  font-family: var(--v3-font-mono);
  font-size: 15px;
}

/* ============================================================
   PRODUCT FINDER (Filter System)
   ============================================================ */
.v3-finder-wrap {
  background: #ffffff;
  border: 1px solid var(--v3-border);
  border-radius: var(--v3-radius-lg);
  padding: 24px;
  box-shadow: var(--v3-shadow-sm);
  margin-bottom: 36px;
}

.v3-finder-top {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.v3-cat-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.v3-pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 9999px;
  font-size: 14px;
  font-weight: 500;
  background: var(--v3-slate-100);
  color: var(--v3-slate-700);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.v3-pill-btn:hover {
  background: #e9eef5;
  color: var(--v3-navy);
}

.v3-pill-btn.active {
  background: var(--v3-blue);
  color: #ffffff;
  border-color: var(--v3-blue);
  box-shadow: 0 4px 12px rgba(25, 144, 255, 0.25);
}

.v3-pill-btn .badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.08);
}

.v3-pill-btn.active .badge {
  background: rgba(255, 255, 255, 0.25);
  color: #ffffff;
}

/* Search bar inside finder */
.v3-search-bar {
  position: relative;
  min-width: 260px;
  flex: 1;
  max-width: 380px;
}

.v3-search-bar svg {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--v3-slate-400);
  pointer-events: none;
}

.v3-search-input {
  width: 100%;
  height: 42px;
  padding: 8px 16px 8px 42px;
  border-radius: var(--v3-radius-md);
  border: 1px solid var(--v3-border);
  background: var(--v3-slate-50);
  font-size: 14px;
  color: var(--v3-slate-800);
  outline: none;
  transition: all 0.2s ease;
}

.v3-search-input:focus {
  background: #ffffff;
  border-color: var(--v3-blue);
  box-shadow: 0 0 0 3px rgba(25, 144, 255, 0.15);
}

/* Multi-attribute dropdowns row */
.v3-filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--v3-border-subtle);
}

.v3-select-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.v3-select-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--v3-slate-500);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.v3-select {
  height: 40px;
  padding: 6px 12px;
  border-radius: var(--v3-radius-sm);
  border: 1px solid var(--v3-border);
  background: #ffffff;
  font-size: 13.5px;
  color: var(--v3-slate-700);
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s;
}

.v3-select:focus {
  border-color: var(--v3-blue);
}

/* Active tags bar */
.v3-active-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--v3-border);
}

.v3-tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  background: var(--v3-blue-light);
  color: var(--v3-blue-hover);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
}

.v3-tag-chip button {
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  display: inline-flex;
  padding: 0;
  font-size: 14px;
  line-height: 1;
}

.v3-clear-btn {
  background: none;
  border: none;
  color: var(--v3-slate-500);
  font-size: 12px;
  cursor: pointer;
  text-decoration: underline;
  padding: 4px 8px;
}

.v3-clear-btn:hover {
  color: #ef4444;
}

/* Result count status */
.v3-results-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  font-size: 14px;
  color: var(--v3-slate-600);
}

.v3-results-count {
  font-weight: 600;
  color: var(--v3-navy);
}

/* ============================================================
   PRODUCT CARD GRID
   ============================================================ */
.v3-prod-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

@media (max-width: 1200px) {
  .v3-prod-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 860px) {
  .v3-prod-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 540px) {
  .v3-prod-grid {
    grid-template-columns: 1fr;
  }
}

.v3-card {
  position: relative;
  background: #ffffff;
  border: 1px solid var(--v3-border);
  border-radius: var(--v3-radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--v3-shadow-xs);
  text-decoration: none;
  color: inherit;
}

.v3-card:hover {
  transform: translateY(-4px);
  border-color: rgba(25, 144, 255, 0.4);
  box-shadow: 0 16px 32px rgba(11, 15, 20, 0.09);
}

.v3-card-thumb {
  position: relative;
  background: #f8fafc;
  padding: 32px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 220px;
  border-bottom: 1px solid var(--v3-border-subtle);
  overflow: hidden;
}

.v3-card-thumb img {
  max-width: 85%;
  max-height: 160px;
  object-fit: contain;
  transition: transform 0.4s ease;
}

.v3-card:hover .v3-card-thumb img {
  transform: scale(1.06);
}

.v3-card-badges {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  z-index: 2;
}

.v3-chip {
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(15, 23, 42, 0.12);
  color: var(--v3-slate-700);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.v3-chip.blue {
  background: rgba(25, 144, 255, 0.1);
  border-color: rgba(25, 144, 255, 0.3);
  color: var(--v3-blue-hover);
}

.v3-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.v3-card-model {
  font-family: var(--v3-font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--v3-blue);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.v3-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--v3-navy);
  line-height: 1.35;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.v3-card-desc {
  font-size: 13px;
  color: var(--v3-slate-500);
  line-height: 1.5;
  margin-bottom: 16px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.v3-card-footer {
  display: flex;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--v3-border-subtle);
}

.v3-btn-subtle {
  flex: 1;
  text-align: center;
  padding: 8px 12px;
  border-radius: var(--v3-radius-sm);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--v3-blue);
  background: var(--v3-blue-light);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

.v3-btn-subtle:hover {
  background: var(--v3-blue);
  color: #ffffff;
}

.v3-btn-quote {
  padding: 8px 12px;
  border-radius: var(--v3-radius-sm);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--v3-slate-700);
  background: var(--v3-slate-100);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

.v3-btn-quote:hover {
  background: var(--v3-slate-200);
  color: var(--v3-navy);
}

/* Empty state */
.v3-empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 64px 20px;
  background: var(--v3-slate-50);
  border-radius: var(--v3-radius-lg);
  border: 1px dashed var(--v3-border);
}

.v3-empty-state h3 {
  font-size: 20px;
  color: var(--v3-navy);
  margin-bottom: 8px;
}

.v3-empty-state p {
  color: var(--v3-slate-500);
  margin-bottom: 20px;
}

/* ============================================================
   PRODUCT DETAIL PAGE
   ============================================================ */
.v3-detail-hero {
  padding: calc(var(--header-h) + 40px) 0 60px;
  background: #ffffff;
  border-bottom: 1px solid var(--v3-border);
}

.v3-detail-grid {
  display: grid;
  grid-template-columns: 0.7fr 1fr;
  gap: 48px;
  align-items: start;
}

@media (max-width: 960px) {
  .v3-detail-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.v3-detail-gallery {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  background: var(--v3-slate-50);
  border: 1px solid var(--v3-border);
  border-radius: var(--v3-radius-lg);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 420px;
}

.v3-detail-gallery img {
  max-width: 90%;
  max-height: 340px;
  object-fit: contain;
}

.v3-detail-info {
  display: flex;
  flex-direction: column;
}

.v3-detail-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.v3-detail-model {
  font-family: var(--v3-font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--v3-blue);
  margin-bottom: 8px;
}

.v3-detail-title {
  font-size: clamp(28px, 3vw, 36px);
  font-weight: 700;
  color: var(--v3-navy);
  line-height: 1.25;
  margin-bottom: 16px;
}

.v3-detail-desc {
  font-size: 16px;
  color: var(--v3-slate-600);
  line-height: 1.6;
  margin-bottom: 24px;
}

.v3-detail-highlights {
  margin-bottom: 32px;
  padding: 20px;
  background: var(--v3-slate-50);
  border-radius: var(--v3-radius-md);
  border-left: 3px solid var(--v3-blue);
}

.v3-detail-highlights h4 {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--v3-navy);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.v3-detail-highlights ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.v3-detail-highlights li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 14px;
  color: var(--v3-slate-700);
}

.v3-detail-highlights li::before {
  content: "✓";
  color: var(--v3-blue);
  font-weight: bold;
}

.v3-detail-actions {
  display: flex;
  flex-wrap: nowrap;
  gap: 12px;
  margin-top: 8px;
}

/* Specifications Table */
.v3-section {
  padding: 64px 0;
}

.v3-section-alt {
  background: var(--v3-slate-50);
  border-top: 1px solid var(--v3-border);
  border-bottom: 1px solid var(--v3-border);
}

.v3-spec-table-wrap {
  background: #ffffff;
  border: 1px solid var(--v3-border);
  border-radius: var(--v3-radius-lg);
  overflow: hidden;
  box-shadow: var(--v3-shadow-xs);
}

.v3-spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.v3-spec-table th,
.v3-spec-table td {
  padding: 14px 20px;
  text-align: left;
}

.v3-spec-table th {
  background: #f8fafc;
  color: var(--v3-slate-500);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--v3-border);
}

.v3-spec-table td {
  border-bottom: 1px solid var(--v3-border-subtle);
  color: var(--v3-slate-800);
}

.v3-spec-table tr:last-child td {
  border-bottom: none;
}

.v3-spec-table tr:nth-child(even) td {
  background: #fbfcfe;
}

.v3-spec-table .spec-k {
  font-weight: 600;
  color: var(--v3-navy);
  width: 32%;
}

/* ============================================================
   B2B INQUIRY & RFQ MODAL
   ============================================================ */
.v3-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
}

.v3-modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.v3-modal-card {
  background: #ffffff;
  width: 100%;
  max-width: 620px;
  border-radius: var(--v3-radius-xl);
  box-shadow: var(--v3-shadow-lg);
  overflow: hidden;
  transform: translateY(20px) scale(0.97);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.v3-modal-backdrop.open .v3-modal-card {
  transform: translateY(0) scale(1);
}

.v3-modal-head {
  padding: 24px 28px;
  background: var(--v3-navy);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.v3-modal-head h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 0;
  color: #ffffff;
}

.v3-modal-head p {
  font-size: 13px;
  color: var(--v3-slate-400);
  margin: 4px 0 0;
}

.v3-modal-close {
  background: none;
  border: none;
  color: #ffffff;
  opacity: 0.7;
  cursor: pointer;
  padding: 6px;
  font-size: 22px;
  line-height: 1;
  transition: opacity 0.2s;
}

.v3-modal-close:hover {
  opacity: 1;
}

.v3-modal-body {
  padding: 28px;
  overflow-y: auto;
}

.v3-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.v3-form-col-2 {
  grid-column: 1 / -1;
}

.v3-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.v3-form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--v3-slate-700);
}

.v3-form-input,
.v3-form-select,
.v3-form-textarea {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--v3-radius-sm);
  border: 1px solid var(--v3-border);
  font-size: 14px;
  color: var(--v3-slate-800);
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.v3-form-input:focus,
.v3-form-select:focus,
.v3-form-textarea:focus {
  border-color: var(--v3-blue);
  box-shadow: 0 0 0 3px rgba(25, 144, 255, 0.12);
}

.v3-form-textarea {
  resize: vertical;
  min-height: 90px;
}

.v3-form-help {
  font-size: 12px;
  color: var(--v3-slate-400);
}

.v3-submit-btn {
  width: 100%;
  height: 48px;
  border-radius: var(--v3-radius-sm);
  background: var(--v3-blue);
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  transition: background 0.2s;
}

.v3-submit-btn:hover {
  background: var(--v3-blue-hover);
}

.v3-form-alert {
  padding: 14px;
  border-radius: var(--v3-radius-sm);
  background: #ecfdf5;
  border: 1px solid #10b981;
  color: #065f46;
  font-size: 13.5px;
  margin-bottom: 16px;
  display: none;
}

/* ============================================================
   SOLUTIONS PAGE STYLING
   ============================================================ */
.v3-sol-card {
  background: #ffffff;
  border: 1px solid var(--v3-border);
  border-radius: var(--v3-radius-lg);
  padding: 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 32px;
  box-shadow: var(--v3-shadow-xs);
}

@media (max-width: 860px) {
  .v3-sol-card {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 24px;
  }
}

.v3-sol-card.reverse {
  direction: rtl;
}

.v3-sol-card.reverse > * {
  direction: ltr;
}

.v3-sol-visual {
  border-radius: var(--v3-radius-md);
  overflow: hidden;
  background: #f1f5f9;
}

.v3-sol-visual img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
}

.v3-sol-copy h3 {
  font-size: 26px;
  font-weight: 700;
  color: var(--v3-navy);
  margin-bottom: 14px;
}

.v3-sol-copy p {
  color: var(--v3-slate-600);
  line-height: 1.6;
  margin-bottom: 20px;
}

.v3-sol-copy ul {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.v3-sol-copy li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
  color: var(--v3-slate-700);
}

.v3-sol-copy li svg {
  width: 18px;
  height: 18px;
  color: var(--v3-blue);
  flex-shrink: 0;
}

/* 4-Step Process Bar */
.v3-process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 36px;
}

@media (max-width: 900px) {
  .v3-process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .v3-process-grid {
    grid-template-columns: 1fr;
  }
}

.v3-process-step {
  background: #ffffff;
  border: 1px solid var(--v3-border);
  border-radius: var(--v3-radius-md);
  padding: 24px;
  position: relative;
}

.v3-process-step .num {
  font-family: var(--v3-font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--v3-blue);
  margin-bottom: 8px;
}

.v3-process-step h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--v3-navy);
  margin-bottom: 10px;
}

.v3-process-step p {
  font-size: 13.5px;
  color: var(--v3-slate-600);
  line-height: 1.5;
  margin: 0;
}

/* ============================================================
   CASE STUDIES & NEWS
   ============================================================ */
.v3-case-card {
  background: #ffffff;
  border: 1px solid var(--v3-border);
  border-radius: var(--v3-radius-lg);
  padding: 32px;
  box-shadow: var(--v3-shadow-xs);
  display: flex;
  flex-direction: column;
  transition: all 0.25s ease;
}

.v3-case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--v3-shadow-md);
  border-color: rgba(25, 144, 255, 0.4);
}

.v3-case-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.v3-case-tag {
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--v3-blue);
  letter-spacing: 0.05em;
}

.v3-case-loc {
  font-size: 12px;
  color: var(--v3-slate-400);
}

.v3-case-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--v3-navy);
  line-height: 1.35;
  margin-bottom: 12px;
}

.v3-case-desc {
  font-size: 14px;
  color: var(--v3-slate-600);
  line-height: 1.6;
  margin-bottom: 24px;
  flex: 1;
}

.v3-case-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 16px;
  background: var(--v3-slate-50);
  border-radius: var(--v3-radius-md);
  margin-bottom: 20px;
}

.v3-case-stats div b {
  display: block;
  font-size: 18px;
  font-weight: 800;
  color: var(--v3-navy);
}

.v3-case-stats div span {
  font-size: 11.5px;
  color: var(--v3-slate-500);
}

/* News rows */
.v3-news-row {
  display: flex;
  gap: 24px;
  padding: 24px;
  border-bottom: 1px solid var(--v3-border);
  align-items: center;
  text-decoration: none;
  color: inherit;
  transition: background 0.2s;
}

.v3-news-row:hover {
  background: var(--v3-slate-50);
}

.v3-news-date {
  font-family: var(--v3-font-mono);
  font-size: 13px;
  color: var(--v3-slate-400);
  min-width: 100px;
}

.v3-news-info {
  flex: 1;
}

.v3-news-info h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--v3-navy);
  margin-bottom: 6px;
}

.v3-news-info p {
  font-size: 14px;
  color: var(--v3-slate-600);
  margin: 0;
  line-height: 1.5;
}

.v3-news-arrow {
  color: var(--v3-blue);
  transition: transform 0.2s;
}

.v3-news-row:hover .v3-news-arrow {
  transform: translateX(4px);
}

/* ============================================================
   RESPONSIVE UTILITIES
   ============================================================ */
@media (max-width: 768px) {
  .v3-finder-top {
    flex-direction: column;
    align-items: stretch;
  }
  .v3-search-bar {
    max-width: 100%;
  }
  .v3-news-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .v3-case-stats {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}


/* ============================================================
   ARATEK-STYLE ENHANCEMENTS: Gallery, Specs Table, Series Rail & News
   ============================================================ */

/* ---------- Multi-Image Gallery ---------- */
.v3-gallery-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: sticky;
  top: calc(var(--header-h) + 24px);
  min-width: 0;
}

.v3-gallery-main {
  background: #fcfcfa;
  border: 1px solid var(--v3-border);
  border-radius: var(--v3-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding:12px;
  aspect-ratio: 1 / 1;
  width: 100%;
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s;
}

/* 大图左右切换按钮 */
/* 大图左右切换按钮：PC 端 hover 大图区才显示，触屏/窄屏常显 */
.v3-gal-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--v3-border);
  color: var(--v3-navy);
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.14);
  opacity: 0;
  visibility: hidden;
  transition: background 0.2s, color 0.2s, border-color 0.2s, opacity 0.25s, visibility 0.25s;
  z-index: 6;
}

.v3-gallery-main:hover .v3-gal-nav,
.v3-gallery-main:focus-within .v3-gal-nav {
  opacity: 1;
  visibility: visible;
}

/* 触屏设备与窄屏没有 hover，常驻显示 */
@media (hover: none), (max-width: 960px) {
  .v3-gal-nav {
    opacity: 1;
    visibility: visible;
  }
}

.v3-gal-nav:hover {
  background: var(--v3-blue);
  border-color: var(--v3-blue);
  color: #fff;
}

.v3-gal-nav.prev { left: 10px; }
.v3-gal-nav.next { right: 10px; }
.v3-gal-nav svg { width: 16px; height: 16px; }

.v3-gallery-main:hover {
  border-color: rgba(25, 144, 255, 0.4);
}

.v3-gallery-main img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: var(--v3-radius-lg);
  transition: opacity 0.3s ease, transform 0.4s ease;
}

.v3-gallery-main img.fade-out {
  opacity: 0;
  transform: scale(0.97);
}

.v3-gallery-thumbs {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  scroll-behavior: smooth;
  padding-bottom: 4px;
  scrollbar-width: thin;
  flex: 1;
  min-width: 0;
}

/* 缩略图条左右按钮 */
.v3-thumbs-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.v3-thumbs-nav {
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--v3-border);
  color: var(--v3-navy);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.v3-thumbs-nav:hover {
  background: var(--v3-blue);
  border-color: var(--v3-blue);
  color: #fff;
}

.v3-thumbs-nav svg { width: 14px; height: 14px; }

.v3-thumb-btn {
  background: #f8fafc;
  border: 2px solid var(--v3-border);
  border-radius: var(--v3-radius-md);
  padding: 8px;
  flex: 0 0 auto;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.v3-thumb-btn img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 6px;
  transition: transform 0.2s;
}

.v3-thumb-btn:hover {
  border-color: var(--v3-slate-400);
  background: #ffffff;
}

.v3-thumb-btn.active {
  border-color: var(--v3-blue);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(25, 144, 255, 0.18);
}

.v3-thumb-btn.active img {
  transform: scale(1.05);
}

/* ---------- Categorized Technical Specs Tabs & Tables ---------- */
.v3-specs-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 36px;
}

.v3-specs-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.v3-spec-tab-btn {
  padding: 8px 18px;
  border-radius: 9999px;
  font-size: 13.5px;
  font-weight: 600;
  background: #ffffff;
  color: var(--v3-slate-600);
  border: 1px solid var(--v3-border);
  cursor: pointer;
  transition: all 0.2s;
}

.v3-spec-tab-btn:hover {
  background: var(--v3-slate-50);
  color: var(--v3-navy);
}

.v3-spec-tab-btn.active {
  background: var(--v3-navy);
  color: #ffffff;
  border-color: var(--v3-navy);
  box-shadow: 0 4px 12px rgba(10, 25, 47, 0.15);
}

.v3-spec-group {
  margin-bottom: 28px;
  background: #ffffff;
  border: 1px solid var(--v3-border);
  border-radius: var(--v3-radius-lg);
  overflow: hidden;
  box-shadow: var(--v3-shadow-xs);
  transition: all 0.25s ease;
}

.v3-spec-group-title {
  padding: 14px 24px;
  background: #f8fafc;
  border-bottom: 1px solid var(--v3-border);
  font-size: 15px;
  font-weight: 700;
  color: var(--v3-navy);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.v3-spec-group-title span.count {
  font-size: 11px;
  font-family: var(--v3-font-mono);
  color: var(--v3-blue);
  background: var(--v3-blue-light);
  padding: 2px 8px;
  border-radius: 4px;
}

/* ---------- V2-Style Sticky Series Index Rail Layout ---------- */
.v3-rail-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  align-items: start;
}

@media (max-width: 1024px) {
  .v3-rail-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .v3-rail {
    position: static !important;
    top: auto !important;
  }
}

.v3-rail {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  background: #ffffff;
  border: 1px solid var(--v3-border);
  border-radius: var(--v3-radius-lg);
  padding: 20px;
  box-shadow: var(--v3-shadow-xs);
}

.v3-rail-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--v3-slate-400);
  letter-spacing: 0.08em;
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--v3-border-subtle);
}

.v3-rail-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.v3-rail-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: var(--v3-radius-sm);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--v3-slate-700);
  text-decoration: none;
  transition: all 0.2s;
}

.v3-rail-link:hover {
  background: var(--v3-slate-50);
  color: var(--v3-blue);
}

.v3-rail-link.active {
  background: var(--v3-blue-light);
  color: var(--v3-blue-hover);
  font-weight: 600;
}

.v3-rail-link .count {
  font-family: var(--v3-font-mono);
  font-size: 11.5px;
  color: var(--v3-slate-400);
}

.v3-rail-link.active .count {
  color: var(--v3-blue);
  font-weight: 700;
}

.v3-rail-cta {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--v3-border);
  font-size: 12.5px;
  color: var(--v3-slate-500);
  line-height: 1.5;
}

.v3-rail-cta a {
  color: var(--v3-blue);
  font-weight: 600;
  text-decoration: underline;
}

/* Series Block on products.html */
.v3-series-block {
  margin-bottom: 64px;
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.v3-series-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--v3-navy);
}

.v3-series-header h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--v3-navy);
  margin: 0 0 6px;
}

.v3-series-header p {
  color: var(--v3-slate-600);
  font-size: 14.5px;
  margin: 0;
  max-width: 680px;
}

.v3-series-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.v3-series-chip {
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  background: var(--v3-slate-100);
  color: var(--v3-slate-700);
  border-radius: 9999px;
}

/* Group Comparison Guide Cards */
.v3-cmp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px;
}

@media (max-width: 860px) {
  .v3-cmp-grid {
    grid-template-columns: 1fr;
  }
}

.v3-cmp-card {
  background: #ffffff;
  border: 1px solid var(--v3-border);
  border-radius: var(--v3-radius-lg);
  padding: 28px;
  box-shadow: var(--v3-shadow-xs);
  display: flex;
  flex-direction: column;
}

.v3-cmp-card .idx {
  font-family: var(--v3-font-mono);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--v3-blue);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.v3-cmp-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--v3-navy);
  margin-bottom: 10px;
}

.v3-cmp-card p {
  font-size: 13.5px;
  color: var(--v3-slate-600);
  line-height: 1.5;
  margin-bottom: 16px;
  flex: 1;
}

.v3-cmp-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.v3-cmp-card li {
  font-size: 13px;
  color: var(--v3-slate-700);
  display: flex;
  align-items: center;
  gap: 6px;
}

.v3-cmp-card li::before {
  content: •;
  color: var(--v3-blue);
  font-size: 16px;
}

/* ---------- Rich News Grid & Cards ---------- */
.v3-news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

@media (max-width: 960px) {
  .v3-news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .v3-news-grid {
    grid-template-columns: 1fr;
  }
}

.v3-news-card {
  background: #ffffff;
  border: 1px solid var(--v3-border);
  border-radius: var(--v3-radius-lg);
  overflow: hidden;
  box-shadow: var(--v3-shadow-xs);
  display: flex;
  flex-direction: column;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  color: inherit;
}

.v3-news-card:hover {
  transform: translateY(-4px);
  border-color: rgba(25, 144, 255, 0.4);
  box-shadow: var(--v3-shadow-md);
}

.v3-news-thumb {
  position: relative;
  height: 200px;
  overflow: hidden;
  background: #f1f5f9;
}

.v3-news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.v3-news-card:hover .v3-news-thumb img {
  transform: scale(1.05);
}

.v3-news-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.v3-news-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.v3-news-cat {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--v3-blue);
  letter-spacing: 0.05em;
  background: var(--v3-blue-light);
  padding: 3px 8px;
  border-radius: 4px;
}

.v3-news-time {
  font-family: var(--v3-font-mono);
  font-size: 12px;
  color: var(--v3-slate-400);
}

.v3-news-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--v3-navy);
  line-height: 1.4;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.v3-news-excerpt {
  font-size: 13.5px;
  color: var(--v3-slate-600);
  line-height: 1.6;
  margin-bottom: 16px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.v3-news-readmore {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--v3-blue);
  margin-top: auto;
}

.v3-news-card:hover .v3-news-readmore {
  color: var(--v3-blue-hover);
}

/* ---------- News Detail Page ---------- */
.v3-article-wrap {
  max-width: 820px;
  margin: 0 auto;
}

.v3-article-header {
  margin-bottom: 32px;
}

.v3-article-title {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  color: var(--v3-navy);
  line-height: 1.25;
  margin: 16px 0;
}

.v3-article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13.5px;
  color: var(--v3-slate-500);
  padding-bottom: 20px;
  border-bottom: 1px solid var(--v3-border);
}

.v3-article-featured-img {
  width: 100%;
  max-height: 440px;
  object-fit: cover;
  border-radius: var(--v3-radius-lg);
  margin-bottom: 36px;
  box-shadow: var(--v3-shadow-md);
}

.v3-article-content {
  font-size: 16px;
  line-height: 1.8;
  color: var(--v3-slate-700);
}

.v3-article-content p {
  margin-bottom: 24px;
}

.v3-article-quote {
  padding: 24px 32px;
  margin: 36px 0;
  background: var(--v3-slate-50);
  border-left: 4px solid var(--v3-blue);
  border-radius: 0 var(--v3-radius-md) var(--v3-radius-md) 0;
  font-size: 18px;
  font-style: italic;
  color: var(--v3-navy);
  line-height: 1.6;
}

.v3-article-footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--v3-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}


/* ---------- Root products.html card style & 3-col enforcement ---------- */
.v3-series-block .pro-grid,
.v3-rail-layout .pro-grid,
.v3-prod-grid,
.pro-grid {
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  gap: 22px !important;
}

@media (max-width: 1080px) {
  .v3-series-block .pro-grid,
  .v3-rail-layout .pro-grid,
  .v3-prod-grid,
  .pro-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 18px !important;
  }
}

@media (max-width: 600px) {
  .v3-series-block .pro-grid,
  .v3-rail-layout .pro-grid,
  .v3-prod-grid,
  .pro-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
}

/* Ensure .pro-card matches root products.html */
.pro-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .3s;
}

.pro-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.pro-card .thumb {
  background: var(--soft);
  display: grid;
  place-items: center;
  padding: 8px;
  overflow: hidden;
  position: relative;
}

.pro-card .thumb::after {
  content: '';
  position: absolute;
  top: -4px;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
  box-shadow: 0 0 8px var(--blue);
  opacity: 0;
  z-index: 5;
  pointer-events: none;
}

.pro-card:hover .thumb::after {
  animation: scan-sweep 2.2s cubic-bezier(.445, .05, .55, .95) 1;
  opacity: 0.85;
}

.pro-card .thumb img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1/1;
  object-fit: contain;
  border-radius: 12px;
  transition: transform .55s var(--ease);
}

.pro-card:hover .thumb img {
  transform: scale(1.06);
}

.pro-card .body {
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.pro-card .model {
  font-family: var(--font-display);
  font-weight: 750;
  font-size: 17px;
  letter-spacing: .02em;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--ink);
}

.pro-card .model .arrow {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1.5px solid var(--line);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  transition: background .25s, border-color .25s, transform .35s var(--ease);
  color: var(--ink-2);
}

.pro-card .model .arrow svg {
  width: 13px;
  height: 13px;
}

.pro-card:hover .model .arrow {
  background: var(--blue);
  border-color: var(--blue);
  color: #ffffff;
  transform: rotate(45deg);
}

.pro-card h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray);
  line-height: 1.45;
  letter-spacing: 0;
  font-family: var(--font-body);
  margin: 0;
}

.pro-card .tag {
  margin-top: auto;
  padding-top: 10px;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--blue);
}

/* ---------- Compact mega-menu Application / Spotlight column ---------- */
/* Stronger bottom separation between dropdown and page content */
.mega-menu {
  box-shadow: 0 24px 60px rgba(11, 15, 20, 0.18), 0 8px 16px rgba(11, 15, 20, 0.08) !important;
  border-bottom: 1px solid var(--line) !important;
}
.mega-menu::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(25, 144, 255, 0.35), transparent);
  pointer-events: none;
}

.mega-menu-content {
  padding: 28px 34px !important;
}

.mega-menu-pane {
  grid-template-columns: 1fr 230px !important;
  gap: 28px !important;
}

.mega-menu-visuals {
  gap: 10px !important;
}

.mega-menu-spotlight,
.mega-menu-spotlight.scenario-text {
  padding: 10px 12px !important;
  border-radius: 12px !important;
  gap: 7px !important;
}

.mega-menu-spotlight .spotlight-tag {
  font-size: 8px !important;
  padding: 2px 6px !important;
}

.mega-menu-spotlight .spotlight-thumb,
.mega-menu-spotlight.scenario-text .spotlight-thumb {
  aspect-ratio: auto !important;
  border-radius: 8px !important;
  padding: 5px !important;
}

.mega-menu-spotlight.scenario-text h5 {
  font-size: 12px !important;
}

.mega-menu-spotlight h5 {
  font-size: 11.5px !important;
}

.mega-menu-spotlight a {
  font-size: 11px !important;
  margin-top: 2px !important;
}

/* Also shrink the pane title description for a cleaner header */
.mega-menu-pane-title p {
  font-size: 11px !important;
  line-height: 1.35 !important;
}

/* ======================= begin: v4.css ============================ */
/* ============================================================
   Norstar v4 — Motion Layer
   Scroll-reveal, char-split titles, counters, button text-flow,
   mega-menu product preview, hero parallax, filter/tab transitions.
   All effects use transform/opacity only; never blocks first paint.
   Everything is gated behind a prefers-reduced-motion media query.
   ============================================================ */

/* ------------------------------------------------------------
   0a. Reserve scrollbar gutter so toggling body overflow:hidden
   (mega-menu / RFQ modal) never causes horizontal layout shift.
   No effect on overlay-scrollbar platforms (macOS/iOS default).
   ----------------------------------------------------------- */
html {
  scrollbar-gutter: stable;
}

/* ------------------------------------------------------------
   0. Reduced-motion master switch
   ------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto !important; }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
    scroll-behavior: auto !important;
  }
  .v4-char { transform: none !important; opacity: 1 !important; }
  .v4-split .v4-char { opacity: 1 !important; transform: none !important; }
  .v4-hero-shift { transform: none !important; opacity: 1 !important; }
  .v4-fade-swap { animation: none !important; opacity: 1 !important; transform: none !important; }
}

/* ------------------------------------------------------------
   1. Scroll-reveal primitives (extend style-blue .reveal)
   Hidden state only when the motion layer is active (html.v4-js),
   so content is never obscured if JS is blocked/disabled.
   ------------------------------------------------------------ */
html.v4-js .v4-rv {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}
html.v4-js .v4-rv.v4-in {
  opacity: 1;
  transform: none;
}

/* Stagger helper (delay handled per-child via inline --v4-d to keep CSS lean) */
[data-v4-stagger] > .v4-rv,
[data-v4-stagger] > * .v4-rv {
  transition-delay: var(--v4-d, 0s);
}

/* ------------------------------------------------------------
   3. Char-split headline cascade (h2 key-title reveal)
   ------------------------------------------------------------ */
html.v4-js .v4-split .v4-char {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.42em);
  transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--v4-char-d, 0s);
  will-change: opacity, transform;
}
html.v4-js .v4-split.v4-in .v4-char {
  opacity: 1;
  transform: none;
}

/* ------------------------------------------------------------
   4. Button double-layer text-flow (pure CSS, uses data-text)
   Only applied to plain-text buttons (no inner svg) via .v4-flow-btn
   ------------------------------------------------------------ */
.v4-flow-btn {
  position: relative;
  overflow: hidden;
}
.v4-flow-btn .v4-flow-inner {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  transition: transform 0.5s cubic-bezier(0.22, 0.8, 0.3, 1),
              opacity 0.4s cubic-bezier(0.22, 0.8, 0.3, 1);
  will-change: transform, opacity;
}
.v4-flow-btn::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  transform: translateY(112%);
  opacity: 0;
  transition: transform 0.5s cubic-bezier(0.22, 0.8, 0.3, 1),
              opacity 0.4s cubic-bezier(0.22, 0.8, 0.3, 1);
  will-change: transform, opacity;
  color: inherit;
  font: inherit;
}
.v4-flow-btn:hover .v4-flow-inner {
  transform: translateY(-112%);
  opacity: 0;
}
.v4-flow-btn:hover::after {
  transform: translateY(0);
  opacity: 1;
}

/* Icon variant of .v4-flow-btn: same vertical roll, but the incoming
   ::after layer shows an icon glyph (background-image) instead of the
   data-text label. Pick the glyph with a .v4-ico-* class. */
.v4-flow-btn.v4-flow-ico::after {
  content: "";
  background-position: center;
  background-repeat: no-repeat;
  background-size: 16px 16px;
}
.v4-flow-ico.v4-ico-li::after { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' width='16' height='16' fill='%230b0f14'%3E%3Cpath d='M20.447 20.452h-3.554v-5.569c0-1.328-.027-3.037-1.852-3.037-1.853 0-2.136 1.445-2.136 2.939v5.667H9.351V9h3.414v1.561h.046c.477-.9 1.637-1.85 3.37-1.85 3.601 0 4.267 2.37 4.267 5.455v6.286zM5.337 7.433c-1.144 0-2.063-.926-2.063-2.065 0-1.138.92-2.063 2.063-2.063 1.14 0 2.064.925 2.064 2.063 0 1.139-.925 2.065-2.064 2.065zm1.782 13.019H3.555V9h3.564v11.452zM22.225 0H1.771C.792 0 0 .774 0 1.729v20.542C0 23.227.792 24 1.771 24h20.451C23.2 24 24 23.227 24 22.271V1.729C24 .774 23.2 0 22.222 0h.003z'/%3E%3C/svg%3E"); }
.v4-flow-ico.v4-ico-x::after { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' width='16' height='16' fill='%230b0f14'%3E%3Cpath d='M18.901 1.153h3.68l-8.04 9.19L24 22.846h-7.406l-5.8-7.584-6.638 7.584H.474l8.6-9.83L0 1.154h7.594l5.243 6.932ZM17.61 20.644h2.039L6.486 3.24H4.298Z'/%3E%3C/svg%3E"); }
.v4-flow-ico.v4-ico-fb::after { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' width='16' height='16' fill='%230b0f14'%3E%3Cpath d='M24 12.073c0-6.627-5.373-12-12-12s-12 5.373-12 12c0 5.99 4.388 10.954 10.125 11.854v-8.385H7.078v-3.47h3.047V9.43c0-3.007 1.792-4.669 4.533-4.669 1.312 0 2.686.235 2.686.235v2.953H15.83c-1.491 0-1.956.925-1.956 1.874v2.25h3.328l-.532 3.47h-2.796v8.385C19.612 23.027 24 18.062 24 12.073z'/%3E%3C/svg%3E"); }

/* ------------------------------------------------------------
   5. Mega-menu product thumbnail preview (0.3s fade-in per pane)
   ------------------------------------------------------------ */
.mega-menu-visuals .mega-menu-spotlight {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.mega-menu-pane.active .mega-menu-visuals .mega-menu-spotlight {
  opacity: 1;
  transform: none;
}
.mega-menu-pane.active .mega-menu-visuals .mega-menu-spotlight:nth-child(2) {
  transition-delay: 0.08s;
}

/* ------------------------------------------------------------
   6. Hero background parallax sink / fade-out
   ------------------------------------------------------------ */
.v4-hero-shift {
  will-change: transform, opacity;
}

/* ------------------------------------------------------------
   7. Filter / spec-tab swap transition (0.25s fade + slide)
   ------------------------------------------------------------ */
.v4-fade-swap {
  animation: v4SwapIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) both;
}
@keyframes v4SwapIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

/* Card re-entry when a filter re-shows it */
.v4-swap-reveal {
  animation: v4SwapReveal 0.55s cubic-bezier(0.16, 1, 0.3, 1) both;
}
@keyframes v4SwapReveal {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}

/* News / spec tab groups get stagger per row */
[data-v4-stagger] { --v4-d: 0s; }

/* ------------------------------------------------------------
   8. Index product grid — 4 columns per row
   Overrides v3.css 3-col default for the #products section.
   ------------------------------------------------------------ */
#products .pro-grid,
#v3-cat-recommended.pro-grid,
#v3-cat-recommended .pro-grid {
  grid-template-columns: repeat(4, 1fr) !important;
}
@media (max-width: 1080px) {
  #products .pro-grid,
  #v3-cat-recommended.pro-grid,
  #v3-cat-recommended .pro-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}
@media (max-width: 600px) {
  #products .pro-grid,
  #v3-cat-recommended.pro-grid,
  #v3-cat-recommended .pro-grid {
    grid-template-columns: 1fr !important;
  }
}

/* ------------------------------------------------------------
   9. Homepage product panels — horizontal scroll, 4 per view
   ------------------------------------------------------------ */
#products .pro-scroll {
  display: grid !important;
  grid-template-columns: none !important;
  grid-auto-flow: column !important;
  grid-auto-columns: calc((100% - 66px) / 4) !important;
  overflow-x: auto !important;
  scroll-snap-type: x mandatory;
  padding-bottom: 8px;
  scrollbar-width: none;
}
#products .pro-scroll::-webkit-scrollbar { display: none; }
#products .pro-scroll .pro-card { scroll-snap-align: start; }
@media (max-width: 1080px) {
  #products .pro-scroll { grid-auto-columns: calc((100% - 18px) / 2) !important; }
}
@media (max-width: 600px) {
  #products .pro-scroll { grid-auto-columns: 78% !important; }
}

/* Per-series subtle text link under homepage panels */
.pro-more-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--v3-slate-600, #475569);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease;
}
.pro-more-link:hover { color: var(--v3-blue, #1990ff); }
.pro-more-link svg { width: 14px; height: 14px; }

/* Series page featured grid — 4 columns */
.v3-featured-grid {
  display: grid !important;
  grid-template-columns: repeat(4, 1fr) !important;
  gap: 22px !important;
}
@media (max-width: 1080px) {
  .v3-featured-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 18px !important; }
}
@media (max-width: 600px) {
  .v3-featured-grid { grid-template-columns: 1fr !important; }
}

/* Cover page series block — view-all CTA card (9th slot): split layout */
.pro-card-more {
  display: flex !important;
  flex-direction: column;
  padding: 0 !important;
  overflow: hidden;
  background: #fff !important;
}
.pro-card-more .more-top {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 26px 20px;
  text-align: center;
}
.pro-card-more .more-k {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--v3-slate-600, #475569);
}
.pro-card-more h3 { color: var(--v3-navy, #0a192f) !important; font-size: 20px !important; margin: 0; }
.pro-card-more .more-count { font-size: 13px; color: var(--v3-slate-600, #475569); }
.pro-card-more .more-bottom {
  background: var(--v3-navy, #0a192f);
  padding: 13px 16px;
  display: flex;
  justify-content: center;
  transition: background 0.25s ease;
}
.pro-card-more .more-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 9px 18px;
  border-radius: 999px;
  border: 1.5px solid transparent;
  transition: all 0.25s ease;
}
.pro-card-more .more-cta svg { width: 14px; height: 14px; }
.pro-card-more:hover .more-bottom { background: #10233f; }
.pro-card-more:hover .more-cta { transform: translateX(3px); box-shadow: 0 6px 14px rgba(0, 0, 0, 0.28);border: 1.5px solid rgba(255, 255, 255, 0.55); }

/* XunRui pager — pill style matching site buttons */
ul.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
ul.pagination li a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 16px;
  border: 1px solid var(--v3-border, #e2e8f0);
  border-radius: 999px;
  background: #fff;
  color: var(--ink, #0b0f14);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}
ul.pagination li a:hover { border-color: var(--v3-blue, #1990ff); color: var(--v3-blue, #1990ff); }
ul.pagination li.active a { background: var(--v3-blue, #1990ff); border-color: var(--v3-blue, #1990ff); color: #fff; }