/* ============================================================
   ZHONGYI CLEANROOM - Wiskind-layout, cleanroom-blue theme
   (layout reference: jinghuaban.com 万事达洁净; color: cleanroom blue)
   - background: white / #f2f2f2 / #f7f7f7
   - text: #333 headings, #555 body, #999 secondary
   - accent: #0E86D4 (cleanroom blue), dark navy #0F2A44
   - font: Inter + Microsoft YaHei fallback
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #ffffff;
  --bg-alt: #f7f7f7;
  --bg-gray: #f2f2f2;
  --text: #333333;
  --text-2: #555555;
  --text-3: #999999;
  --blue: #0E86D4;
  --blue-hover: #0A6FB8;
  --blue-light: #E6F3FC;
  --navy: #0F2A44;
  --navy-2: #163A5E;
  --border: #e1e1e1;
  --border-strong: #d2d2d7;
  --green: #34c759;
  --wa: #25d366;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.10);
  --radius: 8px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  color: var(--text-2); line-height: 1.7; font-size: 15px;
  -webkit-font-smoothing: antialiased;
  /* soft ambient gradient behind everything */
  background-color: #f7fafd;
  background-image:
    radial-gradient(1200px 500px at 12% -5%, rgba(14, 134, 212, 0.10), transparent 60%),
    radial-gradient(1000px 460px at 90% 8%, rgba(22, 50, 79, 0.08), transparent 55%),
    radial-gradient(900px 500px at 50% 110%, rgba(14, 134, 212, 0.06), transparent 60%);
}
img { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; transition: color .2s; }
a:hover { color: var(--blue-hover); }
ul { list-style: none; }
.container { width: min(1180px, 92%); margin: 0 auto; }

/* ---------- Top bar ---------- */
.topbar { background: var(--navy); color: #aab8c6; font-size: 13px; padding: 7px 0; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 6px; }
.topbar a { color: #d5e2ee; }
.topbar a:hover { color: #6ec1f5; }
.topbar .socials a { margin-left: 12px; color: #8fa3b5; }
.topbar .socials a:hover { color: #6ec1f5; }

/* ---------- Header ---------- */
.site-header { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; }
.site-header .container { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-img { width: 46px; height: 46px; object-fit: contain; }
.logo-text { line-height: 1.15; }
.logo-text .name { font-size: 21px; font-weight: 800; letter-spacing: 0.5px; color: var(--text); }
.logo-text .sub { font-size: 10px; color: var(--text-3); letter-spacing: 1.8px; text-transform: uppercase; }

.header-right { display: flex; align-items: center; gap: 16px; }
.btn-pill {
  display: inline-block; padding: 9px 22px; border-radius: 4px;
  background: var(--blue); color: #fff; font-size: 13.5px; font-weight: 600;
  border: 0; cursor: pointer; transition: background .2s;
}
.btn-pill:hover { background: var(--blue-hover); color: #fff; }

.main-nav ul { display: flex; gap: 30px; }
.main-nav a { color: var(--text-2); font-weight: 500; font-size: 14.5px; padding: 6px 0; border-bottom: 2px solid transparent; position: relative; transition: color .25s; }
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 2px; width: 100%;
  background: linear-gradient(90deg, #0E86D4, #2FA3E8, #0E86D4);
  background-size: 200% 100%;
  transform: scaleX(0); transform-origin: left; transition: transform .3s ease;
}
.main-nav a:hover { color: var(--blue); }
.main-nav a:hover::after { transform: scaleX(1); animation: navShine 2s linear infinite; }
.main-nav a.active { color: var(--blue); border-bottom-color: var(--blue); }
@keyframes navShine { 0% { background-position: 0% 0; } 100% { background-position: 200% 0; } }
.nav-toggle { display: none; background: none; border: 0; font-size: 24px; color: var(--text); cursor: pointer; }

/* ---------- Hero (full-screen slider, wiskind layout) ---------- */
.hero { position: relative; background: var(--bg); overflow: hidden; min-height: 82vh; }
.slide { position: absolute; inset: 0; display: flex; align-items: center; opacity: 0; visibility: hidden; transition: opacity .9s ease, visibility .9s; }
.slide.active { opacity: 1; visibility: visible; }
.slide .bg {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center;
}
.slide .bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,28,48,0.72) 0%, rgba(8,28,48,0.45) 55%, rgba(8,28,48,0.15) 100%); }
.slide .container { position: relative; z-index: 2; color: #fff; }
.slide .eyebrow-hero { color: #5cc0f0; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; font-size: 13px; margin-bottom: 14px; }
.slide h1 { font-size: 50px; line-height: 1.12; margin: 0 0 18px; font-weight: 800; letter-spacing: -0.5px; color: #fff; max-width: 760px; }
.slide h1 span {
  background: linear-gradient(90deg, #5cc0f0 0%, #8fd8ff 50%, #5cc0f0 100%);
  background-size: 200% auto;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  animation: gradSlide 4s linear infinite;
}
.slide p { font-size: 18px; color: rgba(255,255,255,0.88); margin: 0 0 32px; max-width: 620px; }
.slide .ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.hero .dots { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; z-index: 3; }
.hero .dots button { width: 10px; height: 10px; border: 0; border-radius: 50%; background: rgba(255,255,255,0.5); cursor: pointer; transition: all .2s; }
.hero .dots button.active { background: var(--blue); width: 26px; border-radius: 5px; }

.btn { display: inline-block; padding: 13px 30px; border-radius: 4px; font-weight: 600; font-size: 15px; border: 1px solid transparent; cursor: pointer; transition: all .2s; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-hover); color: #fff; }
.btn-outline { border-color: #fff; color: #fff; background: transparent; }
.btn-outline:hover { background: #fff; color: var(--navy); }
.btn-ghost { border-color: var(--blue); color: var(--blue); background: transparent; }
.btn-ghost:hover { background: var(--blue); color: #fff; }
.btn-dark { background: var(--navy); color: #fff; }
.btn-dark:hover { background: var(--navy-2); color: #fff; }

/* ---------- Section headings (wiskind layout) ---------- */
.section { padding: 76px 0; }
.section.gray { background: var(--bg-alt); }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 46px; }
.section-head .eyebrow { color: var(--blue); font-weight: 700; letter-spacing: 3px; text-transform: uppercase; font-size: 12.5px; margin-bottom: 10px; }
.section-head h2 { font-size: 36px; letter-spacing: -0.5px; color: var(--text); margin-bottom: 12px; font-weight: 800; }
.section-head p { color: var(--text-2); font-size: 16px; }

/* ---------- Visual polish: gradient titles, badges, buttons, image hover ---------- */
.section-head .eyebrow,
.hot-head .eyebrow {
  display: inline-block;
  background: linear-gradient(120deg, #0e86d4 0%, #0aa2c0 100%);
  color: #fff; padding: 5px 16px; border-radius: 980px; letter-spacing: 2.5px;
  font-size: 11px; font-weight: 700; text-transform: uppercase; margin-bottom: 14px;
}
.section-head h2,
.hot-head h2,
.about-band h2,
.inquiry h2,
body.page-minimal .gallery + div h2,
body.page-minimal .core-info h4 {
  color: #16324f;
  -webkit-text-fill-color: #16324f;
}
.btn-primary, .btn-pill {
  background: linear-gradient(120deg, #0a6fb8 0%, #0e86d4 60%, #0aa2c0 100%);
  box-shadow: 0 6px 18px rgba(14, 134, 212, 0.30);
  position: relative; overflow: hidden;
}
.btn-primary::after, .btn-pill::after {
  content: ""; position: absolute; top: 0; left: -60%; width: 40%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.35), transparent);
  transform: skewX(-20deg); transition: left .5s ease;
}
.btn-primary:hover::after, .btn-pill:hover::after { left: 120%; }
.btn-primary:hover, .btn-pill:hover {
  background: linear-gradient(120deg, #0960a1 0%, #0a6fb8 60%, #0e86d4 100%);
  box-shadow: 0 8px 22px rgba(14, 134, 212, 0.42);
}
.stats-band .stat b {
  background: linear-gradient(120deg, #7fd4ff 0%, #5cc0f0 60%, #a8e2ff 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.card .thumb img, .sol-card .sol-img img, .news-card .n-img, .media-box img {
  transition: transform .5s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.card:hover .thumb img, .sol-card:hover .sol-img img, .news-card:hover .n-img img, .media-box:hover img {
  transform: scale(1.06);
}
.card .thumb, .sol-card .sol-img, .news-card .n-img, .media-box { overflow: hidden; }
.adv .ico {
  background: linear-gradient(135deg, #e6f3fc, #d5edfb);
  box-shadow: inset 0 0 0 1px rgba(14, 134, 212, 0.10);
}
.class-pill b {
  background: linear-gradient(120deg, #0a6fb8, #0aa2c0);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.card, .adv, .sol-card, .news-card, .step {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}
.card:hover, .adv:hover, .sol-card:hover, .news-card:hover {
  box-shadow: 0 16px 40px rgba(14, 134, 212, 0.14);
}

/* ---------- Blue accents woven into light sections ---------- */
.cta-banner {
  background: linear-gradient(120deg, #081c30 0%, #0f2a44 45%, #1d4e80 80%, #0e86d4 130%);
  color: #fff; padding: 52px 0; position: relative; overflow: hidden;
}
.cta-banner::after {
  content: ""; position: absolute; inset: 0; opacity: .5; pointer-events: none;
  background: radial-gradient(600px 300px at 85% -20%, rgba(14,134,212,0.5), transparent 60%);
}
.cta-banner .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; position: relative; z-index: 1; }
.cta-banner h2 { color: #fff; font-size: 30px; letter-spacing: -0.5px; margin-bottom: 8px; font-weight: 800; }
.cta-banner p { color: #cfe2f5; max-width: 560px; }
.cta-banner .btn { font-size: 16px; padding: 15px 36px; }

/* ---------- Section tint backgrounds (soft gradient transitions) ---------- */
/* soft gradient transitions between sections (fade from white, wide blend) */
.section.gray, .section.inquiry {
  background: linear-gradient(180deg, #ffffff 0%, #f0f6fc 160px, #e7f1fa calc(100% - 160px), #ffffff 100%);
}
.section.tint {
  background: linear-gradient(180deg, #ffffff 0%, #e9f3fb 160px, #d9e9f8 calc(100% - 160px), #ffffff 100%);
}
.section.tint-2 {
  background: linear-gradient(180deg, #ffffff 0%, #eef5fc 160px, #e3eef9 calc(100% - 160px), #ffffff 100%);
}
.hot.tint {
  background: linear-gradient(180deg, #ffffff 0%, #e9f3fb 160px, #d9e9f8 calc(100% - 160px), #ffffff 100%);
}

/* ---------- Stats band (deep navy) ---------- */
.stats-band { background: var(--navy); color: #fff; padding: 54px 0; }
.stats-band .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
.stats-band .stat b {
  display: block; font-size: 44px; font-weight: 800; letter-spacing: -1px; line-height: 1.1;
  background: linear-gradient(90deg, #5cc0f0 0%, #8fd8ff 50%, #5cc0f0 100%);
  background-size: 200% auto;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  animation: gradSlide 4s linear infinite;
}
.stats-band .stat span { font-size: 14px; color: #aab8c6; letter-spacing: 1px; }
.stats-band .stat i { display: block; font-style: normal; font-size: 12px; color: #7c8fa3; margin-top: 4px; }

/* ---------- About band (media + text) ---------- */
.about-band { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 52px; align-items: center; }
.about-band h2 { font-size: 34px; letter-spacing: -0.5px; color: var(--text); margin-bottom: 16px; font-weight: 800; }
.about-band p { color: var(--text-2); margin-bottom: 14px; }
.about-band .stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 24px; }
.about-band .stat { background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; text-align: center; }
.about-band .stat b { display: block; font-size: 26px; color: var(--blue); font-weight: 800; letter-spacing: -0.5px; }
.about-band .stat span { font-size: 13px; color: var(--text-2); }
.media-box {
  aspect-ratio: 16/10; background: linear-gradient(135deg, #dbe9f5, #f2f7fb);
  border: 1px solid var(--border); border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-3); font-size: 14px; text-align: center; padding: 20px; position: relative; overflow: hidden;
}
.media-box .play {
  width: 64px; height: 64px; border-radius: 50%; background: var(--blue); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 22px;
  box-shadow: 0 6px 20px rgba(14,134,212,0.45); position: absolute; z-index: 2;
}
.media-box .play::after { content: ""; position: absolute; inset: -6px; border-radius: 50%; border: 2px solid var(--blue); opacity: .5; animation: pulse 2s infinite; }
@keyframes pulse { 0% { transform: scale(1); opacity: .5; } 70% { transform: scale(1.25); opacity: 0; } 100% { opacity: 0; } }

/* ---------- Industry solutions cards ---------- */
.sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.sol-card {
  position: relative; border-radius: var(--radius); overflow: hidden; display: block;
  background: var(--bg-alt); border: 1px solid var(--border); min-height: 320px;
  transition: all .25s;
}
.sol-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--blue); }
.sol-card .sol-img { aspect-ratio: 16/10; background: linear-gradient(135deg, #dbe9f5, #f2f7fb); display: flex; align-items: center; justify-content: center; color: var(--text-3); font-size: 13px; }
.sol-card .sol-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.sol-card .sol-body { padding: 22px; }
.sol-card .sol-body .no { font-size: 13px; font-weight: 700; color: var(--blue); letter-spacing: 2px; margin-bottom: 6px; }
.sol-card .sol-body h3 { font-size: 19px; color: var(--text); margin-bottom: 8px; font-weight: 700; }
.sol-card .sol-body p { font-size: 14px; color: var(--text-2); }
.sol-card .sol-body .more { margin-top: 10px; font-weight: 600; font-size: 14px; display: inline-block; }

/* ---------- Product tabs / hot products ---------- */
.hot { background: var(--bg); padding: 76px 0; }
.hot-head { text-align: center; margin-bottom: 36px; }
.hot-head .eyebrow { color: #fff; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; font-size: 12.5px; margin-bottom: 10px; }
.hot-head h2 { font-size: 36px; letter-spacing: -0.5px; color: var(--text); margin: 0 0 12px; font-weight: 800; }
.hot-head p { color: var(--text-2); font-size: 16px; }
.hot-tabs { display: flex; justify-content: center; gap: 0; flex-wrap: wrap; margin-bottom: 40px; border-bottom: 2px solid var(--border); width: fit-content; margin-left: auto; margin-right: auto; }
.hot-tab {
  padding: 10px 26px; border: 0; border-bottom: 3px solid transparent; margin-bottom: -2px;
  background: transparent; color: var(--text-2); font-weight: 600; cursor: pointer; font-size: 15px;
  transition: all .2s;
}
.hot-tab:hover { color: var(--blue); }
.hot-tab.active { color: var(--blue); border-bottom-color: var(--blue); }
.hot-panel { display: none; }
.hot-panel.active { display: block; }
.hot-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ---------- Cards ---------- */
.card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: all .25s; display: flex; flex-direction: column; }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--blue); }
.card .thumb { aspect-ratio: 4/3; background: #ffffff; display: flex; align-items: center; justify-content: center; color: var(--text-3); font-size: 13px; text-align: center; padding: 12px; }
.card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.card .body { padding: 18px; display: flex; flex-direction: column; flex: 1; }
.card h3 { font-size: 16.5px; color: var(--text); margin-bottom: 8px; font-weight: 700; letter-spacing: -0.2px; background: linear-gradient(120deg, #16324F 0%, #0E86D4 55%, #2FA3E8 100%); background-size: 200% auto; -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; transition: background-position .4s ease; }
.card:hover h3 { background-position: 100% center; }
.card p { font-size: 13.5px; color: var(--text-2); flex: 1; }
.card .more { margin-top: 12px; font-weight: 600; font-size: 14px; }
.card .badge { display: inline-block; align-self: flex-start; background: var(--blue-light); color: var(--blue); font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 3px; margin-bottom: 8px; letter-spacing: 0.3px; }

/* ---------- Advantages ---------- */
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.adv { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; transition: all .25s; }
.adv:hover { border-color: var(--blue); box-shadow: var(--shadow); }
.adv .ico { width: 48px; height: 48px; border-radius: 8px; margin-bottom: 16px; background: var(--blue-light); color: var(--blue); font-size: 22px; display: flex; align-items: center; justify-content: center; }
.adv h3 { font-size: 17px; color: var(--text); margin-bottom: 8px; font-weight: 700; }
.adv p { font-size: 14px; color: var(--text-2); }

/* ---------- Numbered process steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
.step { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 24px; position: relative; transition: all .25s; }
.step:hover { border-color: var(--blue); }
.step::before { counter-increment: step; content: counter(step, decimal-leading-zero); font-size: 34px; font-weight: 800; letter-spacing: -1px; color: #c4e4f8; display: block; margin-bottom: 10px; }
.step h3 { font-size: 16.5px; color: var(--text); margin-bottom: 6px; font-weight: 700; }
.step p { font-size: 13.5px; color: var(--text-2); }

/* ---------- ISO class pills ---------- */
.class-strip { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.class-pill { background: #fff; border: 1px solid var(--border); border-radius: 6px; padding: 12px 26px; text-align: center; transition: all .2s; }
.class-pill:hover { border-color: var(--blue); }
.class-pill b { display: block; font-size: 20px; color: var(--blue); font-weight: 800; }
.class-pill span { font-size: 12px; color: var(--text-2); }

/* ---------- Core material chips (wiskind 更多选择 style) ---------- */
.core-strip { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.core-chip {
  position: relative;
  background: var(--bg-alt); border: 1px solid var(--border); border-radius: 6px;
  padding: 14px 24px; text-align: center; transition: all .2s; cursor: default;
}
.core-chip:hover { border-color: var(--blue); background: var(--blue-light); }
.core-chip b { display: block; font-size: 15px; color: var(--text); font-weight: 700; }
.core-chip span { font-size: 11.5px; color: var(--text-3); }
.core-chip .tip {
  display: none; position: absolute; left: 50%; top: calc(100% + 14px); transform: translateX(-50%);
  width: 220px; background: var(--navy); color: #fff; font-size: 12px; line-height: 1.55;
  padding: 10px 12px; border-radius: 6px; z-index: 999; text-align: left; white-space: normal;
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}
.core-chip .tip::after {
  content: ""; position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%);
  border: 6px solid transparent; border-bottom-color: var(--navy);
}
.core-chip:hover .tip { display: none; } /* tooltip disabled — details shown in the side info panel */

/* ---------- Core material layout: chips left, info panel right ---------- */
.core-layout { display: grid; grid-template-columns: 1.45fr 1fr; gap: 28px; align-items: start; margin-bottom: 20px; }
.core-left { min-width: 0; }
.core-info {
  position: sticky; top: 96px;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow); min-height: 160px;
}
.core-info h4 { color: var(--text); font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.core-info p { color: var(--text-2); font-size: 14px; line-height: 1.7; }
@media (max-width: 1000px) {
  .core-layout { grid-template-columns: 1fr; }
  .core-info { position: static; margin-bottom: 20px; }
}

/* ---------- Clients ---------- */
.client-strip { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }
.client-logo { width: 155px; height: 62px; background: #fff; border: 1px solid var(--border); border-radius: 6px; display: flex; align-items: center; justify-content: center; color: var(--text-3); font-size: 13px; font-weight: 600; text-align: center; padding: 6px; transition: all .2s; }
.client-logo:hover { border-color: var(--blue); color: var(--blue); }

/* ---------- News / cases cards ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: all .25s; display: block; }
.news-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--blue); }
.news-card .n-img { aspect-ratio: 16/9; background: linear-gradient(135deg, #dbe9f5, #f2f7fb); display: flex; align-items: center; justify-content: center; color: var(--text-3); font-size: 12px; }
.news-card .n-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.news-card .n-body { padding: 18px; }
.news-card .n-date { font-size: 12px; color: var(--text-3); margin-bottom: 6px; }
.news-card h3 { font-size: 16px; color: var(--text); font-weight: 700; margin-bottom: 8px; line-height: 1.45; }
.news-card p { font-size: 13.5px; color: var(--text-2); }

/* ---------- Inquiry ---------- */
.inquiry { background: var(--bg-alt); }
.inquiry .container { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.inquiry h2 { font-size: 34px; letter-spacing: -0.5px; color: var(--text); margin-bottom: 16px; font-weight: 800; }
.inquiry p { color: var(--text-2); margin-bottom: 22px; }
.inquiry .contact-list li { padding: 9px 0; border-bottom: 1px solid var(--border); color: var(--text-2); }
.inquiry .contact-list b { color: var(--text); }
.form { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 30px; color: var(--text); box-shadow: var(--shadow); }
.form h3 { color: var(--text); margin-bottom: 16px; font-size: 20px; letter-spacing: -0.4px; }
.form label { display: block; font-size: 13px; font-weight: 600; margin: 12px 0 5px; color: var(--text-2); }
.form input, .form textarea { width: 100%; padding: 11px 14px; border: 1px solid var(--border-strong); border-radius: 6px; font-size: 14.5px; font-family: inherit; color: var(--text); background: #fff; transition: all .2s; }
.form input:focus, .form textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-light); }
.form textarea { min-height: 90px; resize: vertical; }
.form .btn { margin-top: 18px; width: 100%; }

/* ---------- Spec table ---------- */
.spec-table { width: 100%; border-collapse: collapse; margin: 16px 0 24px; font-size: 14px; }
.spec-table th, .spec-table td { border-bottom: 1px solid var(--border); padding: 12px 14px; text-align: left; }
.spec-table th { background: var(--bg-alt); color: var(--text); font-weight: 700; }
.spec-table tr:hover td { background: var(--bg-alt); }

/* ---------- Product detail ---------- */
.prod-detail { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: start; }
.gallery { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.gallery .main { aspect-ratio: 4/3; background: linear-gradient(135deg, #dbe9f5, #f2f7fb); display: flex; align-items: center; justify-content: center; color: var(--text-3); text-align: center; padding: 0; }
.gallery .main img { width: 100%; height: 100%; object-fit: contain; }
.gallery .thumbs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; padding: 10px; background: #fff; }
.gallery .thumbs .t { position: relative; aspect-ratio: 4/3; border: 1px solid var(--border); border-radius: 6px; background: linear-gradient(135deg, #e4eff8, #f4f8fc); display: flex; align-items: center; justify-content: center; font-size: 10px; color: var(--text-3); cursor: pointer; text-align: center; padding: 0; overflow: hidden; }
.gallery .thumbs .t img { width: 100%; height: 100%; object-fit: cover; display: block; }
.gallery .thumbs .t.active { border-color: var(--blue); box-shadow: 0 0 0 2px var(--blue-light); }

/* ---------- Sub-product photo groups (machine-made series) ---------- */
.sub-gallery { border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; margin-bottom: 16px; background: #fff; }
.sub-gallery h4 { font-size: 14px; color: var(--text); margin-bottom: 10px; font-weight: 700; }
.sub-gallery .sub-thumbs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.sub-gallery .sub-thumbs img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); }
.sub-gallery .thumb-placeholder { aspect-ratio: 4/3; border: 1px dashed var(--border-strong); border-radius: 6px; display: flex; align-items: center; justify-content: center; color: var(--text-3); font-size: 12px; background: var(--bg-alt); text-align: center; padding: 8px; }

/* ---------- Carousel (product photos) ---------- */
.carousel { position: relative; overflow: hidden; border-radius: 8px; border: 1px solid var(--border); background: #f2f2f2; }
.carousel-track { display: flex; transition: transform .5s cubic-bezier(0.22, 0.61, 0.36, 1); }
.carousel-track img { width: 100%; flex: 0 0 100%; aspect-ratio: 4/3; object-fit: contain; display: block; }
.carousel-prev, .carousel-next {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  width: 34px; height: 34px; border-radius: 50%; border: 0; cursor: pointer;
  background: rgba(0, 0, 0, 0.45); color: #fff; font-size: 20px; line-height: 1;
  display: flex; align-items: center; justify-content: center; transition: background .2s;
}
.carousel-prev:hover, .carousel-next:hover { background: rgba(0, 0, 0, 0.7); }
.carousel-prev { left: 10px; }
.carousel-next { right: 10px; }
.carousel-dots { position: absolute; bottom: 10px; left: 0; right: 0; display: flex; justify-content: center; gap: 6px; z-index: 5; }
.carousel-dots .dot { width: 8px; height: 8px; border-radius: 50%; border: 0; padding: 0; background: rgba(255, 255, 255, 0.6); cursor: pointer; transition: all .2s; }
.carousel-dots .dot.active { background: #fff; transform: scale(1.2); }
.carousel-thumbs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 10px; }
.carousel-thumbs .cthumb { padding: 0; border: 2px solid var(--border); border-radius: 6px; overflow: hidden; cursor: pointer; background: #fff; transition: border-color .2s; }
.carousel-thumbs .cthumb:hover { border-color: var(--text-3); }
.carousel-thumbs .cthumb.active { border-color: var(--blue); }
.carousel-thumbs .cthumb img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; }

.tick-list li { padding: 6px 0; color: var(--text-2); font-size: 15px; }
.tick-list b { color: var(--text); }

/* ---------- FAQ accordion ---------- */
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: 8px; margin-bottom: 12px; overflow: hidden; background: #fff; }
.faq-q { padding: 17px 20px; font-weight: 600; color: var(--text); cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-size: 15.5px; }
.faq-q:hover { color: var(--blue); }
.faq-q::after { content: "+"; font-size: 20px; color: var(--text-3); font-weight: 400; }
.faq-item.open .faq-q::after { content: "−"; }
.faq-a { display: none; padding: 0 20px 18px; color: var(--text-2); font-size: 14.5px; }
.faq-item.open .faq-a { display: block; }

/* ---------- QC / project timeline ---------- */
.timeline { position: relative; max-width: 860px; margin: 0 auto; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 0; bottom: 0; width: 2px; background: var(--border-strong); border-radius: 2px; }
.tl-item { position: relative; margin-bottom: 26px; }
.tl-item::before { content: ""; position: absolute; left: -27px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--blue); border: 3px solid #fff; box-shadow: 0 0 0 2px var(--blue); }
.tl-item h4 { color: var(--text); margin-bottom: 4px; font-weight: 700; }
.tl-item p { color: var(--text-2); font-size: 14.5px; }

/* ---------- Footer (dark navy) ---------- */
.site-footer { background: var(--navy); color: #93a7ba; padding: 60px 0 0; font-size: 14px; }
.site-footer .container { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr 1.3fr; gap: 32px; padding-bottom: 36px; }
.site-footer h4 { color: #fff; font-size: 13px; margin-bottom: 12px; letter-spacing: 1.5px; text-transform: uppercase; }
.site-footer a { color: #93a7ba; }
.site-footer a:hover { color: #5cc0f0; }
.site-footer li { padding: 4px 0; }
.site-footer p { line-height: 1.8; }
.footer-bottom { border-top: 1px solid #24466b; padding: 18px 0; font-size: 12.5px; text-align: center; color: #7c8fa3; }
.footer-bottom a { color: #8fa3b5; }

/* ---------- Floating bottom bar ---------- */
.float-bar {
  position: fixed; left: 50%; bottom: 14px; transform: translateX(-50%); z-index: 150;
  background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(16px);
  border: 1px solid var(--border); border-radius: 6px; overflow: hidden;
  box-shadow: var(--shadow); display: flex;
}
.float-bar a { color: var(--text-2); padding: 10px 22px; font-weight: 600; font-size: 13.5px; display: flex; align-items: center; gap: 7px; border-right: 1px solid var(--border); }
.float-bar a:last-child { border-right: 0; }
.float-bar a:hover { color: var(--blue); background: var(--bg-alt); }

/* ---------- AI chat widget ---------- */
.chat-btn {
  position: fixed; right: 22px; bottom: 86px; z-index: 200;
  width: 60px; height: 60px; border-radius: 50%;
  background: var(--blue); color: #fff; border: 0; cursor: pointer; font-size: 13px; font-weight: 700;
  box-shadow: 0 6px 20px rgba(14,134,212,0.45); display: flex; align-items: center; justify-content: center;
  transition: transform .2s;
}
.chat-btn:hover { transform: scale(1.06); }
.chat-btn .pulse { position: absolute; inset: -4px; border-radius: 50%; border: 2px solid var(--blue); opacity: .5; animation: pulse 2s infinite; }

.chat-box {
  position: fixed; right: 22px; bottom: 158px; z-index: 210; width: 370px; max-width: calc(100vw - 40px);
  background: #fff; border-radius: 12px; box-shadow: 0 18px 50px rgba(0,0,0,0.22);
  display: none; flex-direction: column; overflow: hidden; height: 500px; max-height: 70vh;
}
.chat-box.open { display: flex; animation: fadeIn .25s ease; }
.chat-head { background: var(--navy); color: #fff; padding: 14px 18px; display: flex; justify-content: space-between; align-items: center; }
.chat-head b { font-size: 15px; }
.chat-head span { font-size: 11px; color: #8fa3b5; display: block; }
.chat-head .close { background: none; border: 0; color: #fff; font-size: 20px; cursor: pointer; }
.chat-msgs { flex: 1; overflow-y: auto; padding: 16px; background: var(--bg-alt); display: flex; flex-direction: column; gap: 10px; }
.msg { max-width: 84%; padding: 11px 14px; border-radius: 12px; font-size: 14px; line-height: 1.5; }
.msg.bot { background: #fff; border: 1px solid var(--border); align-self: flex-start; border-bottom-left-radius: 4px; }
.msg.user { background: var(--blue); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; }
.msg.typing { color: var(--text-3); font-style: italic; }
.chat-input { display: flex; border-top: 1px solid var(--border); padding: 12px; gap: 8px; background: #fff; }
.chat-input input { flex: 1; padding: 10px 16px; border: 1px solid var(--border-strong); border-radius: 6px; font-size: 14px; }
.chat-input input:focus { outline: none; border-color: var(--blue); }
.chat-input button { padding: 10px 20px; border: 0; border-radius: 6px; background: var(--blue); color: #fff; font-weight: 600; cursor: pointer; }
.chat-input button:hover { background: var(--blue-hover); }

/* ---------- WhatsApp float ---------- */
.wa-float {
  position: fixed; right: 26px; bottom: 22px; z-index: 200;
  width: 58px; height: 58px; border-radius: 50%;
  background: var(--wa); color: #fff; font-size: 26px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 18px rgba(37,211,102,0.45);
  transition: transform .2s;
}
.wa-float:hover { transform: scale(1.06); color: #fff; }

/* ---------- Page hero (deep navy fading softly to white, vertical) ---------- */
.page-hero {
  background: linear-gradient(180deg, #081c30 0%, #0f2a44 22%, #174a76 40%, #1e7fc0 56%, #5fb4ee 70%, #aed8f7 82%, #e4f1fb 92%, #ffffff 100%);
  border-bottom: 0;
  padding: 76px 0 150px; color: #fff;
}
.page-hero h1 { font-size: 42px; letter-spacing: -0.5px; color: #fff; margin-bottom: 12px; font-weight: 800; }
.page-hero p { color: #c4d6e8; max-width: 680px; font-size: 16.5px; }
.breadcrumb { font-size: 13px; color: #9db1c6; margin-bottom: 20px; }
.breadcrumb a { color: #dce9f5; }
.breadcrumb a:hover { color: #7fd4ff; }
body.page-minimal .page-hero h1 { color: #fff; -webkit-text-fill-color: #fff; }

/* ---------- Apple-minimal override (product detail page) ----------
   Keeps the blue only at the very top (page hero) and on key links/buttons.
   Everything else becomes white / light gray / black like Apple's site. */
body.page-minimal .card { border-color: var(--border); }
body.page-minimal .card:hover { border-color: var(--border-strong); box-shadow: 0 12px 34px rgba(0,0,0,0.09); transform: translateY(-2px); }
body.page-minimal .card .badge { background: var(--bg-alt); color: var(--text-2); }
body.page-minimal .core-chip { background: #fff; }
body.page-minimal .core-chip:hover { border-color: var(--border-strong); background: var(--bg-alt); }
body.page-minimal .core-chip .tip { background: #1d1d1f; }
body.page-minimal .core-chip .tip::after { border-bottom-color: #1d1d1f; }
body.page-minimal .spec-table th { background: var(--bg-alt); }
body.page-minimal .spec-table tr:hover td { background: #fafafa; }
body.page-minimal .class-pill:hover { border-color: var(--border-strong); }
body.page-minimal .gallery .thumbs .t.active { border-color: var(--text); box-shadow: 0 0 0 2px var(--bg-alt); }
body.page-minimal .gallery .thumbs .t:hover { border-color: var(--text-3); }
body.page-minimal .adv:hover { border-color: var(--border-strong); box-shadow: 0 10px 30px rgba(0,0,0,0.07); }
body.page-minimal .adv .ico { background: var(--bg-alt); color: var(--text-2); }
body.page-minimal .step:hover { border-color: var(--border-strong); }
body.page-minimal .sol-card:hover { border-color: var(--border-strong); box-shadow: 0 14px 36px rgba(0,0,0,0.10); }
body.page-minimal .news-card:hover { border-color: var(--border-strong); }
body.page-minimal .stat b { color: var(--text); }
body.page-minimal .page-hero h1 { font-size: 40px; letter-spacing: -0.6px; }

/* ---------- Scroll reveal animations (Apple-style fade-up) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(32px) scale(0.98);
  filter: blur(3px);
  transition: opacity .75s cubic-bezier(0.22, 0.61, 0.36, 1),
              transform .75s cubic-bezier(0.22, 0.61, 0.36, 1),
              filter .75s cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: opacity, transform, filter;
}
.reveal.in-view { opacity: 1; transform: none; filter: none; }

/* Gradient headline text on section heads */
.section-head h2 {
  background: linear-gradient(120deg, #16324F 0%, #0E86D4 45%, #2FA3E8 100%);
  background-size: 200% auto;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  animation: gradSlide 7s ease infinite;
}
h2.sec-title {
  background: linear-gradient(120deg, #16324F 0%, #0E86D4 45%, #2FA3E8 100%);
  background-size: 200% auto;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  animation: gradSlide 7s ease infinite;
}
@keyframes gradSlide {
  0% { background-position: 0% center; }
  50% { background-position: 100% center; }
  100% { background-position: 0% center; }
}
body.page-minimal .section-head h2 { background: none; -webkit-text-fill-color: var(--text); color: var(--text); }

/* Image reveal: subtle zoom-in when cards appear */
.reveal.in-view .thumb img,
.reveal.in-view img { animation: imgZoom 1s cubic-bezier(0.22, 0.61, 0.36, 1) both; }
@keyframes imgZoom {
  from { transform: scale(1.06); opacity: .85; }
  to { transform: scale(1); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; filter: none; transition: none; }
  .section-head h2 { animation: none; }
}

@media (max-width: 1000px) {
  .hot-grid, .adv-grid, .steps, .sol-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-band .container { grid-template-columns: repeat(2, 1fr); }
  .site-footer .container { grid-template-columns: 1fr 1fr; }
  .prod-detail, .about-band, .inquiry .container { grid-template-columns: 1fr; }
  .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--border); box-shadow: var(--shadow); }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 0; }
  .main-nav a { display: block; padding: 14px 6%; border-bottom: 1px solid var(--border); }
  .nav-toggle { display: block; }
  .float-bar a { padding: 10px 14px; font-size: 12px; }
  .slide h1 { font-size: 36px; }
}
@media (max-width: 620px) {
  .hot-grid, .adv-grid, .steps, .sol-grid, .news-grid { grid-template-columns: 1fr; }
  .stats-band .container { grid-template-columns: 1fr 1fr; gap: 20px; }
  .hero { min-height: 64vh; }
  .slide h1 { font-size: 28px; }
  .section { padding: 56px 0; }
  .section-head h2, .about-band h2, .hot-head h2 { font-size: 28px; }
  .page-hero { padding: 56px 0 44px; }
  .page-hero h1 { font-size: 30px; }
  .logo-img { width: 40px; height: 40px; }
  .logo-text .name { font-size: 19px; }
  .logo-text .sub { font-size: 9px; }
}

/* ---------- Blue top accent on cards (last so it wins) ---------- */
.card, .adv, .sol-card, .news-card, .step { border-top: 3px solid #0e86d4; }
.section.tint .card, .section.tint-2 .card { border-top-color: #0a6fb8; }
.hot.tint .card { border-top-color: #0a6fb8; }

/* ---------- Dark blocks stay solid dark (text must stay readable) ---------- */
.stats-band { background: var(--navy); }
.cta-banner {
  background: linear-gradient(120deg, #081c30 0%, #0f2a44 45%, #1d4e80 80%, #0e86d4 130%);
}

/* ---------- Content layering ---------- */
.particle-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; display: block; }
section > .container, .hot > .container,
.site-footer > .container, .site-footer .footer-bottom,
.stats-band > .container { position: relative; z-index: 1; }
.hero .particle-canvas,
.stats-band .particle-canvas,
.cta-banner .particle-canvas,
.site-footer .particle-canvas { z-index: 1; }
.hero .slide { z-index: 0; }
.hero .slide .container { z-index: 2; }

/* ---------- Icon hover interaction: swing + white-to-blue ---------- */
.adv .ico {
  transition: background .35s ease, box-shadow .35s ease, transform .35s ease;
}
.adv:hover .ico {
  background: linear-gradient(135deg, #0e86d4 0%, #0aa2c0 100%);
  box-shadow: 0 8px 22px rgba(14, 134, 212, 0.45);
  transform-origin: 50% 0%;
  animation: iconSwing .65s ease;
}
@keyframes iconSwing {
  0%   { transform: rotate(0deg); }
  25%  { transform: rotate(-14deg); }
  50%  { transform: rotate(9deg); }
  75%  { transform: rotate(-5deg); }
  100% { transform: rotate(0deg); }
}
.step:hover .step::before { color: #0e86d4; }
.adv:hover h3 { color: #0a6fb8; }
.sol-card:hover .sol-body .no { color: #0a6fb8; }
.news-card:hover h3 { color: #0a6fb8; }
.core-chip:hover b { color: #0a6fb8; }
.class-pill:hover b { color: #0a6fb8; }

/* October 2026 usability improvements */
.skip-link{position:fixed;left:16px;top:-100px;background:#fff;color:#102d48;padding:12px;z-index:9999}.skip-link:focus{top:12px}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #f5a623;outline-offset:4px}
.hero .hero-heading{font-size:clamp(32px,4.5vw,68px);line-height:1.1;font-weight:800;color:#fff;margin:0 0 24px}.hero .hero-heading span{color:#4cc7ff}
.float-bar button{border:0;background:none;color:inherit;cursor:pointer;font:inherit;padding:14px 18px}
.form-note{font-size:13px;line-height:1.6;color:var(--text-2)}.inquiry-status:empty{display:none}.inquiry-status{margin-top:20px;padding-top:18px;border-top:1px solid #c6d7e5}.inquiry-status .btn{margin:8px 8px 0 0}.inquiry-status textarea{width:100%;margin:10px 0}
.product-guide{position:fixed;right:20px;bottom:85px;width:min(390px,calc(100vw - 32px));max-height:75vh;overflow:auto;background:#fff;border:1px solid #d7e4ed;border-radius:16px;padding:26px;box-shadow:0 12px 48px #0d243444;z-index:3000}.product-guide[hidden]{display:none}.product-guide h2{font-size:24px}.product-guide>a{display:block;padding:10px 0}.product-guide p{font-size:14px;line-height:1.7;margin:14px 0}.guide-close{float:right;border:0;background:none;font-size:28px;cursor:pointer}
@media(max-width:768px){.float-bar{display:flex;justify-content:center;bottom:0;width:100%;right:0;left:0}.float-bar a,.float-bar button{padding:12px 18px}.site-footer{padding-bottom:85px}.hero .hero-heading{font-size:34px}.inquiry-status .btn{width:100%;text-align:center}.stats-band .stat b{font-size:27px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.reveal{opacity:1!important;transform:none!important}}

.application-thumb{background:linear-gradient(135deg,#102d48,#256493);color:#fff;display:grid;place-items:center;font-size:22px;font-weight:700}.application-note{padding:24px;background:#eaf4fc;border-radius:12px}
.about-band > *, .prod-detail > *, .inquiry .container > * { min-width:0; }
.stats { grid-template-columns:repeat(3,minmax(0,1fr)); gap:12px; }
.stats .stat b { font-size:clamp(20px,3vw,32px); overflow-wrap:anywhere; }
@media(max-width:768px){.float-bar{transform:none;max-width:100%;box-sizing:border-box}.site-header .header-right .btn-pill{white-space:nowrap;font-size:12px;padding:12px}.logo-text .sub{max-width:135px}.stats .stat span{font-size:11px}}

.form-trap{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}

.hero-product{position:absolute;z-index:2;right:6%;top:50%;transform:translateY(-50%);width:32%;max-width:440px;background:#fff;padding:20px;border-radius:18px;box-shadow:0 20px 70px #0004}.hero-product img{display:block;width:100%;height:auto}.hero-product span{display:block;color:#183750;text-align:center;font-size:13px;padding-top:12px}.slide.active:has(.hero-product) .container{padding-right:44%}@media(max-width:1000px){.hero-product{display:none}.slide.active:has(.hero-product) .container{padding-right:24px}}@media(max-width:768px){.hot-grid,.adv-grid,.steps,.sol-grid,.news-grid{grid-template-columns:minmax(0,1fr)!important}.spec-table{display:block;overflow-x:auto;max-width:100%}}