/* ============================================================
   CNMIBO — Export Site Design System
   Brand: deep blue #16418C · accent red #E60012
   ============================================================ */
:root {
  --blue: #16418C;
  --blue-d: #0E2E64;
  --blue-xd: #081C3E;
  --blue-l: #2C63C4;
  --red: #E60012;
  --ink: #1B2534;
  --ink-2: #4A5568;
  --ink-3: #8693A7;
  --line: #E3E8F0;
  --bg: #FFFFFF;
  --bg-soft: #F4F7FB;
  --bg-tint: #EAF0F9;
  --ok: #1E9E6A;
  --shadow-1: 0 2px 10px rgba(13, 38, 76, .07);
  --shadow-2: 0 14px 40px rgba(13, 38, 76, .13);
  --radius: 12px;
  --radius-s: 8px;
  --wrap: 1200px;
  --header-h: 76px;
  --font: "Inter", "Segoe UI", "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.65; font-size: 16px; }
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* ---------- top utility bar ---------- */
.topbar { background: var(--blue-xd); color: #C8D6EE; font-size: 13px; }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 38px; gap: 16px; }
.topbar strong { color: #fff; font-weight: 600; }
.topbar a { color: #fff; }
.topbar a:hover { color: #9EC1FF; }
.topbar-links { display: flex; gap: 18px; align-items: center; }

/* ---------- header ---------- */
.site-header { position: sticky; top: 0; z-index: 200; background: rgba(255,255,255,.96); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; gap: 28px; height: var(--header-h); }
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-mark { height: 40px; width: auto; }
.main-nav { display: flex; gap: 4px; margin-left: auto; }
.main-nav > li { position: relative; }
.main-nav > li > a { display: flex; align-items: center; gap: 5px; padding: 10px 14px; font-weight: 600; font-size: 15px; color: var(--ink); border-radius: 8px; transition: color .2s; }
.main-nav > li > a::after { content: ""; width: 7px; height: 7px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg) translateY(-2px); opacity: .45; }
.main-nav > li > a:hover, .main-nav > li.active > a { color: var(--blue); }
.main-nav > li > a.nosub::after { display: none; }
.dropdown { position: absolute; top: calc(100% + 6px); left: 0; min-width: 260px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-2); padding: 8px; opacity: 0; visibility: hidden; transform: translateY(8px); transition: all .22s ease; }
.main-nav li:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown a { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px; font-size: 14.5px; color: var(--ink-2); }
.dropdown a:hover { background: var(--bg-tint); color: var(--blue); }
.dropdown a span { font-size: 12px; color: var(--ink-3); }
.header-cta { flex-shrink: 0; }
.menu-btn { display: none; margin-left: auto; background: none; border: 1.5px solid var(--line); border-radius: 8px; width: 44px; height: 40px; cursor: pointer; color: var(--ink); font-size: 20px; line-height: 1; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 26px; border-radius: 9px; font-weight: 700; font-size: 15px; border: 2px solid transparent; cursor: pointer; transition: all .2s; line-height: 1.2; }
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: #C50010; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(230,0,18,.28); }
.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: var(--blue-d); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(22,65,140,.28); }
.btn-ghost { border-color: rgba(255,255,255,.55); color: #fff; }
.btn-ghost:hover { background: #fff; color: var(--blue); }
.btn-outline { border-color: var(--blue); color: var(--blue); background: #fff; }
.btn-outline:hover { background: var(--blue); color: #fff; }
.btn-lg { padding: 15px 34px; font-size: 16px; }
.btn-sm { padding: 8px 16px; font-size: 13.5px; border-radius: 7px; }

/* ---------- hero ---------- */
.hero { position: relative; background: radial-gradient(1100px 520px at 78% -10%, #1D5AC4 0%, transparent 60%), linear-gradient(135deg, var(--blue-xd) 0%, var(--blue-d) 55%, #123A80 100%); color: #fff; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px); background-size: 44px 44px; pointer-events: none; }
.hero-inner { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; padding: 84px 0 92px; }
.hero-kicker { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.22); padding: 7px 14px; border-radius: 100px; font-size: 13.5px; letter-spacing: .04em; margin-bottom: 22px; color: #CFE0FF; }
.hero-kicker b { color: #FFD3D6; }
.hero h1 { font-size: clamp(34px, 4.6vw, 56px); line-height: 1.12; font-weight: 800; letter-spacing: -.015em; }
.hero h1 em { font-style: normal; color: #7FA8F5; }
.hero p.lead { margin: 20px 0 30px; font-size: 17.5px; color: #C3D3EE; max-width: 560px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-visual { position: relative; text-align: center; }
.hero-visual .orb { position: absolute; inset: -8% -6%; background: radial-gradient(closest-side, rgba(88,141,255,.35), transparent 72%); filter: blur(6px); }
.hero-visual img { position: relative; max-height: 430px; width: auto; margin: 0 auto; border-radius: 20px; box-shadow: 0 30px 80px rgba(0,0,0,.45); border: 1px solid rgba(255,255,255,.14); }
.hero-visual .float-tag { position: absolute; background: rgba(255,255,255,.97); color: var(--ink); border-radius: 12px; padding: 10px 16px; font-size: 13.5px; font-weight: 700; box-shadow: var(--shadow-2); display: flex; align-items: center; gap: 9px; }
.float-tag .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px rgba(30,158,106,.18); }
.float-tag small { display: block; font-weight: 500; color: var(--ink-3); font-size: 11.5px; }
.ft-1 { top: 8%; left: 2%; animation: float 5.5s ease-in-out infinite; }
.ft-2 { bottom: 12%; right: 0; animation: float 6.5s ease-in-out .8s infinite; }
@keyframes float { 0%,100% { transform: translateY(0);} 50% { transform: translateY(-11px);} }

/* trust strip under hero */
.trustbar { background: #fff; border-bottom: 1px solid var(--line); }
.trustbar .wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; padding: 22px 24px; }
.trust-item { display: flex; align-items: center; gap: 13px; }
.trust-item .ic { width: 42px; height: 42px; border-radius: 10px; background: var(--bg-tint); display: grid; place-items: center; color: var(--blue); flex-shrink: 0; }
.trust-item b { display: block; font-size: 15px; color: var(--ink); }
.trust-item span { font-size: 13px; color: var(--ink-3); }

/* ---------- sections ---------- */
.section { padding: 84px 0; }
.section.soft { background: var(--bg-soft); }
.section-head { max-width: 680px; margin: 0 auto 48px; text-align: center; }
.eyebrow { display: inline-block; color: var(--red); font-weight: 800; letter-spacing: .14em; text-transform: uppercase; font-size: 13px; margin-bottom: 12px; }
.section-head h2 { font-size: clamp(26px, 3.2vw, 38px); font-weight: 800; letter-spacing: -.01em; color: var(--ink); }
.section-head p { margin-top: 14px; color: var(--ink-2); font-size: 16.5px; }

/* family cards */
.family-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.family-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all .25s; display: flex; flex-direction: column; }
.family-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); border-color: #BFD2F0; }
.family-card .ph { background: linear-gradient(160deg, var(--bg-tint), #fff); padding: 18px; aspect-ratio: 1/1; position: relative; }
.family-card .ph img { position: absolute; inset: 18px; width: calc(100% - 36px); height: calc(100% - 36px); object-fit: contain; }
.family-card h3 { font-size: 16px; padding: 16px 18px 4px; color: var(--ink); }
.family-card p { font-size: 13.5px; color: var(--ink-2); padding: 6px 18px 16px; flex: 1; }
.family-card .more { display: block; padding: 0 18px 18px; color: var(--blue); font-weight: 700; font-size: 14px; }

/* product grid */
.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.prod-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all .25s; display: flex; flex-direction: column; }
.prod-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); }
.prod-card .ph { aspect-ratio: 1/1; background: #fff; padding: 14px; border-bottom: 1px solid var(--line); position: relative; }
.prod-card .ph img { position: absolute; inset: 14px; width: calc(100% - 28px); height: calc(100% - 28px); object-fit: contain; transition: transform .3s; }
.prod-card:hover .ph img { transform: scale(1.05); }
.prod-card .bd { padding: 16px 18px 18px; display: flex; flex-direction: column; flex: 1; }
.prod-card .cat { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--blue); }
.prod-card h3 { font-size: 15.5px; margin: 6px 0 8px; color: var(--ink); line-height: 1.4; }
.prod-card p { font-size: 13.5px; color: var(--ink-2); flex: 1; }
.prod-card .row { margin-top: 14px; display: flex; align-items: center; justify-content: space-between; }
.prod-card .row a { color: var(--blue); font-weight: 700; font-size: 14px; }
.prod-card .row a.btn { color: #fff; font-size: 13.5px; }

/* filter chips */
.chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 36px; }
.chip { padding: 9px 20px; border-radius: 100px; border: 1.5px solid var(--line); background: #fff; font-weight: 600; font-size: 14px; color: var(--ink-2); cursor: pointer; transition: all .2s; }
.chip:hover { border-color: var(--blue); color: var(--blue); }
.chip.on { background: var(--blue); border-color: var(--blue); color: #fff; }

/* stats band */
.stats-band { background: linear-gradient(120deg, var(--blue-d), var(--blue)); color: #fff; }
.stats-band .wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 54px 24px; text-align: center; }
.stat b { font-size: clamp(30px, 3.4vw, 44px); font-weight: 800; letter-spacing: -.01em; }
.stat b i { font-style: normal; color: #9EC1FF; }
.stat span { display: block; margin-top: 6px; color: #B9CDF0; font-size: 14.5px; }

/* solutions */
.sol-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.sol-card { position: relative; border-radius: var(--radius); overflow: hidden; min-height: 260px; display: flex; align-items: flex-end; box-shadow: var(--shadow-1); }
.sol-card img.bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.sol-card:hover img.bg { transform: scale(1.06); }
.sol-card .veil { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8,28,62,.06) 20%, rgba(8,28,62,.88) 100%); }
.sol-card .bd { position: relative; padding: 26px; color: #fff; }
.sol-card h3 { font-size: 21px; margin-bottom: 8px; }
.sol-card p { font-size: 14.5px; color: #D6E2F5; margin-bottom: 10px; }
.sol-card .prods { font-size: 12.5px; color: #9EC1FF; font-weight: 600; }

/* why us */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.why-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; transition: all .25s; }
.why-card:hover { box-shadow: var(--shadow-2); transform: translateY(-4px); }
.why-card .num { font-size: 13px; font-weight: 800; color: var(--red); letter-spacing: .1em; }
.why-card h3 { font-size: 18px; margin: 8px 0 10px; color: var(--ink); }
.why-card p { font-size: 14px; color: var(--ink-2); }

/* split feature (about preview) */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split .media { position: relative; }
.split .media img { border-radius: var(--radius); box-shadow: var(--shadow-2); width: 100%; object-fit: cover; }
.split .media .badge { position: absolute; right: -14px; bottom: -14px; background: var(--red); color: #fff; border-radius: 14px; padding: 16px 22px; font-weight: 800; font-size: 15px; box-shadow: 0 14px 30px rgba(230,0,18,.35); text-align: center; }
.split .media .badge small { display: block; font-weight: 600; font-size: 11.5px; opacity: .85; }
.checklist { margin-top: 20px; display: grid; gap: 12px; }
.checklist li { display: flex; gap: 11px; align-items: flex-start; color: var(--ink-2); font-size: 15px; }
.checklist li::before { content: "✓"; flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%; background: var(--bg-tint); color: var(--blue); font-weight: 800; font-size: 13px; display: grid; place-items: center; margin-top: 2px; }

/* timeline */
.timeline { position: relative; max-width: 760px; margin: 0 auto; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.tl-item { position: relative; padding: 0 0 30px 26px; }
.tl-item::before { content: ""; position: absolute; left: -30px; top: 5px; width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 4px solid var(--blue); }
.tl-item b { color: var(--blue); font-size: 19px; }
.tl-item p { color: var(--ink-2); margin-top: 4px; font-size: 15px; }

/* certifications */
.cert-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.cert-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-s); padding: 22px 12px; text-align: center; transition: all .22s; }
.cert-card:hover { border-color: var(--blue); box-shadow: var(--shadow-1); }
.cert-card .mark { width: 46px; height: 46px; margin: 0 auto 10px; border-radius: 50%; background: var(--bg-tint); color: var(--blue); display: grid; place-items: center; font-weight: 800; font-size: 13px; }
.cert-card b { font-size: 14.5px; color: var(--ink); }
.cert-card span { display: block; font-size: 12px; color: var(--ink-3); margin-top: 3px; }

/* news */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all .25s; display: flex; flex-direction: column; }
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-2); }
.news-card .ph { aspect-ratio: 16/9; overflow: hidden; background: var(--bg-tint); }
.news-card .ph img { width: 100%; height: 100%; object-fit: cover; }
.news-card .bd { padding: 20px 22px 22px; flex: 1; display: flex; flex-direction: column; }
.news-card .meta { font-size: 12.5px; color: var(--ink-3); display: flex; gap: 10px; margin-bottom: 8px; }
.news-card .meta b { color: var(--red); }
.news-card h3 { font-size: 17px; line-height: 1.45; color: var(--ink); flex: 1; }
.news-card .more { margin-top: 14px; color: var(--blue); font-weight: 700; font-size: 14px; }

/* CTA band */
.cta-band { background: linear-gradient(120deg, var(--blue-xd), var(--blue-d)); color: #fff; text-align: center; position: relative; overflow: hidden; }
.cta-band::before { content: ""; position: absolute; inset: 0; background: radial-gradient(700px 300px at 50% 120%, rgba(88,141,255,.4), transparent 70%); }
.cta-band .wrap { position: relative; padding: 72px 24px; }
.cta-band h2 { font-size: clamp(26px, 3.4vw, 40px); font-weight: 800; }
.cta-band p { margin: 14px auto 28px; color: #C3D3EE; max-width: 620px; font-size: 16.5px; }

/* ---------- page hero (inner pages) ---------- */
.page-hero { background: linear-gradient(120deg, var(--blue-xd), var(--blue-d) 70%, #123A80); color: #fff; padding: 64px 0 56px; position: relative; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px); background-size: 44px 44px; }
.page-hero .wrap { position: relative; }
.crumbs { font-size: 13.5px; color: #9DB4DD; margin-bottom: 14px; }
.crumbs a:hover { color: #fff; }
.page-hero h1 { font-size: clamp(30px, 4vw, 44px); font-weight: 800; letter-spacing: -.01em; }
.page-hero p { margin-top: 12px; color: #C3D3EE; max-width: 640px; font-size: 16.5px; }

/* ---------- product detail ---------- */
.pd-layout { display: grid; grid-template-columns: 460px 1fr; gap: 52px; align-items: start; }
.pd-gallery { position: sticky; top: calc(var(--header-h) + 20px); }
.pd-gallery .main-ph { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; display: grid; place-items: center; }
.pd-gallery .main-ph img { max-height: 420px; object-fit: contain; }
.pd-title .cat { color: var(--red); font-weight: 800; text-transform: uppercase; letter-spacing: .1em; font-size: 12.5px; }
.pd-title h1 { font-size: clamp(24px, 2.8vw, 34px); font-weight: 800; margin: 8px 0 12px; color: var(--ink); }
.pd-title .blurb { font-size: 16.5px; color: var(--ink-2); }
.pd-feats { margin: 22px 0; display: grid; gap: 10px; }
.pd-feats li { display: flex; gap: 10px; color: var(--ink-2); font-size: 15px; }
.pd-feats li::before { content: "✓"; flex-shrink: 0; width: 21px; height: 21px; border-radius: 50%; background: var(--bg-tint); color: var(--blue); font-weight: 800; font-size: 12.5px; display: grid; place-items: center; margin-top: 2px; }
.pd-cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 26px 0; }
.spec-table { width: 100%; border-collapse: collapse; margin-top: 16px; background: #fff; border-radius: var(--radius-s); overflow: hidden; box-shadow: var(--shadow-1); }
.spec-table caption { text-align: left; font-weight: 800; font-size: 17px; padding: 4px 0 12px; color: var(--ink); }
.spec-table th, .spec-table td { text-align: left; padding: 12px 18px; border-bottom: 1px solid var(--line); font-size: 14.5px; }
.spec-table th { width: 220px; background: var(--bg-soft); color: var(--ink-2); font-weight: 600; }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }
.pd-apps { margin-top: 18px; background: var(--bg-tint); border-radius: var(--radius-s); padding: 18px 22px; font-size: 15px; color: var(--ink-2); }
.pd-apps b { color: var(--ink); }
.related { margin-top: 72px; }

/* ---------- contact ---------- */
.ct-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; }
.info-list { display: grid; gap: 6px; }
.info-item { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.info-item .ic { width: 46px; height: 46px; flex-shrink: 0; border-radius: 11px; background: var(--bg-tint); color: var(--blue); display: grid; place-items: center; }
.info-item b { display: block; font-size: 15.5px; color: var(--ink); }
.info-item span, .info-item a { font-size: 14.5px; color: var(--ink-2); }
.info-item a:hover { color: var(--blue); }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-1); padding: 34px; }
.form-card h3 { font-size: 21px; margin-bottom: 6px; }
.form-card > p { color: var(--ink-2); font-size: 14.5px; margin-bottom: 22px; }
.f-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.f-field { display: flex; flex-direction: column; gap: 6px; }
.f-field.full { grid-column: 1 / -1; }
.f-field label { font-size: 13.5px; font-weight: 700; color: var(--ink); }
.f-field label i { color: var(--red); font-style: normal; }
.f-field input, .f-field textarea, .f-field select { border: 1.5px solid var(--line); border-radius: 8px; padding: 11px 14px; font-size: 14.5px; font-family: inherit; color: var(--ink); background: #fff; transition: border .2s; }
.f-field input:focus, .f-field textarea:focus, .f-field select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(22,65,140,.12); }
.f-field.err input, .f-field.err textarea { border-color: var(--red); }
.f-field .msg { font-size: 12.5px; color: var(--red); display: none; }
.f-field.err .msg { display: block; }
.form-ok { display: none; background: #E8F7F0; border: 1px solid #BCE6D2; color: #17714B; padding: 13px 16px; border-radius: 8px; font-size: 14.5px; margin-bottom: 18px; }
.form-ok.show { display: block; }

/* map strip */
.map-strip { margin-top: 64px; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-1); position: relative; background: var(--bg-tint); }
.map-strip .ph { height: 320px; background: linear-gradient(140deg, var(--bg-tint), #DCE7F6); display: grid; place-items: center; position: relative; overflow: hidden; }
.map-strip .ph svg { width: 100%; height: 100%; }
.map-strip .pin-card { position: absolute; left: 28px; bottom: 28px; background: #fff; border-radius: var(--radius-s); box-shadow: var(--shadow-2); padding: 16px 20px; font-size: 14px; color: var(--ink-2); max-width: 420px; }
.map-strip .pin-card b { color: var(--ink); display: block; margin-bottom: 3px; }

/* ---------- article ---------- */
.art-layout { display: grid; grid-template-columns: 1fr 300px; gap: 52px; align-items: start; max-width: 1100px; }
.art-body h1 { font-size: clamp(26px, 3.2vw, 36px); font-weight: 800; line-height: 1.25; color: var(--ink); }
.art-body .meta { color: var(--ink-3); font-size: 14px; margin: 14px 0 26px; }
.art-body p { color: var(--ink-2); font-size: 16px; margin-bottom: 18px; }
.art-side { position: sticky; top: calc(var(--header-h) + 20px); }
.toc-card { background: var(--bg-soft); border-radius: var(--radius); padding: 22px; }
.toc-card b { display: block; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 12px; }
.toc-card a { display: block; padding: 7px 0; font-size: 14.5px; color: var(--ink-2); border-left: 2px solid transparent; padding-left: 12px; }
.toc-card a:hover { color: var(--blue); border-color: var(--blue); }
.side-card { margin-top: 20px; background: linear-gradient(140deg, var(--blue-d), var(--blue)); color: #fff; border-radius: var(--radius); padding: 24px; }
.side-card b { font-size: 16.5px; display: block; margin-bottom: 6px; }
.side-card p { font-size: 13.5px; color: #C3D3EE; margin-bottom: 14px; }

/* ---------- footer ---------- */
.site-footer { background: var(--blue-xd); color: #9DB0CE; font-size: 14.5px; }
.footer-main { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding: 64px 0 48px; }
.footer-main h4 { color: #fff; font-size: 15.5px; margin-bottom: 16px; letter-spacing: .02em; }
.footer-main p { margin: 10px 0; }
.footer-main a:hover { color: #fff; }
.f-links li { margin: 9px 0; }
.f-contact li { display: flex; gap: 10px; margin: 11px 0; align-items: flex-start; }
.f-contact .ic { color: #7FA8F5; flex-shrink: 0; margin-top: 2px; }
.footer-base { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; }
.footer-base .wrap { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: 13px; color: #6E82A6; }

/* floating whatsapp */
.float-wa { position: fixed; right: 22px; bottom: 26px; z-index: 300; width: 58px; height: 58px; border-radius: 50%; background: #25D366; color: #fff; display: grid; place-items: center; box-shadow: 0 12px 30px rgba(37,211,102,.45); transition: transform .2s; }
.float-wa:hover { transform: scale(1.08); }
.float-wa svg { width: 30px; height: 30px; }

/* reveal animation */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* noscript */
.no-js .reveal { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .family-grid { grid-template-columns: repeat(3, 1fr); }
  .prod-grid { grid-template-columns: repeat(3, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
  .pd-layout { grid-template-columns: 1fr; }
  .pd-gallery { position: static; }
}
@media (max-width: 860px) {
  .main-nav { display: none; position: absolute; top: var(--header-h); left: 0; right: 0; background: #fff; flex-direction: column; padding: 12px 20px 20px; gap: 2px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow-2); }
  .main-nav.open { display: flex; }
  .main-nav > li > a { padding: 13px 8px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 6px 16px; min-width: 0; display: none; }
  .main-nav li:hover .dropdown { display: block; }
  .header-cta { display: none; }
  .menu-btn { display: block; }
  .hero-inner { grid-template-columns: 1fr; padding: 56px 0 64px; text-align: center; }
  .hero p.lead { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-visual { max-width: 480px; margin: 0 auto; }
  .ct-layout, .sol-grid, .art-layout { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .trustbar .wrap { grid-template-columns: repeat(2, 1fr); }
  .stats-band .wrap { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .topbar .wrap { justify-content: center; }
  .topbar-links { display: none; }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .family-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .prod-grid { grid-template-columns: 1fr; }
  .family-grid { grid-template-columns: 1fr 1fr; }
  .f-grid { grid-template-columns: 1fr; }
  .why-grid, .cert-grid { grid-template-columns: 1fr 1fr; }
  .footer-main { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
}

/* ---------- FAQ (native details, crawlable) ---------- */
.faq-section .section-head p { color: var(--ink-2); margin-top: 8px; }
.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-s, 10px);
  background: #fff;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
}
.faq-item[open] { border-color: rgba(22,65,140,.28); box-shadow: var(--shadow-1); }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 17px 54px 17px 22px;
  font-weight: 700;
  font-size: 15.5px;
  color: var(--ink);
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 400;
  line-height: 1;
  color: var(--blue);
  transition: transform .2s;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item summary:hover { color: var(--blue); }
.faq-a { padding: 0 22px 19px; color: var(--ink-2); line-height: 1.72; font-size: 15px; }
.faq-a p { margin: 0; }
.crumbs span { color: var(--ink-2); }

/* ---------- Certificates detail (quality page) ---------- */
.cert-card p { margin: 10px 0 0; font-size: 13.5px; line-height: 1.65; color: var(--ink-2); font-weight: 400; }
.cert-note { margin-top: 22px; font-size: 14px; color: var(--ink-2); text-align: center; }

/* ---------- Trust strip (case studies) ---------- */
.trust-item {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-s, 10px);
  padding: 20px 22px;
}
.trust-item b { display: block; font-size: 26px; font-weight: 500; color: var(--blue); line-height: 1.1; }
.trust-item span { display: block; margin-top: 6px; font-size: 13px; color: var(--ink-2); line-height: 1.5; }

/* ---------- Case studies ---------- */
.case { margin-bottom: 84px; }
.case:last-of-type { margin-bottom: 0; }
.case-facts { margin: 18px 0 0; display: grid; gap: 14px; }
.case-facts > div { display: grid; grid-template-columns: 108px 1fr; gap: 14px; align-items: baseline; }
.case-facts dt {
  font-size: 12px; font-weight: 500; letter-spacing: 1.2px; text-transform: uppercase;
  color: var(--blue); padding-top: 2px;
}
.case-facts dd { margin: 0; font-size: 14.5px; line-height: 1.65; color: var(--ink-2); }
.case-prods { margin-top: 20px; font-size: 13.5px; color: var(--ink-2); }
.case-prods a { color: var(--blue); font-weight: 500; text-decoration: none; border-bottom: 1px solid rgba(22,65,140,.25); }
.case-prods a:hover { border-bottom-color: var(--blue); }
@media (max-width: 700px) {
  .split { grid-template-columns: 1fr; gap: 32px; }
  .trust-strip { grid-template-columns: 1fr 1fr !important; }
  .case-facts > div { grid-template-columns: 1fr; gap: 4px; }
  .case { margin-bottom: 64px; }
}

/* ---------- RFQ handoff (mailto + WhatsApp dual channel) ---------- */
.form-handoff {
  margin-top: 14px;
  border: 1px solid rgba(22,65,140,.30);
  border-radius: 10px;
  background: #f4f8fd;
  padding: 16px 18px;
}
.form-handoff b { display: block; font-size: 15px; color: var(--blue); margin-bottom: 6px; }
.form-handoff p { font-size: 13.5px; color: var(--ink-2); line-height: 1.6; margin: 0 0 10px; }
.form-handoff p a { color: var(--blue); font-weight: 500; }
.form-handoff textarea {
  width: 100%;
  font-family: ui-monospace, Consolas, monospace;
  font-size: 12.5px; line-height: 1.55;
  border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 12px; resize: vertical;
  background: #fff; color: var(--ink);
}
.handoff-btns { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }

/* ================= Visual polish v2 ================= */

/* --- Hero: stronger presence --- */
.hero-visual img { max-height: 500px; border-radius: 24px; }
.hero-visual .orb { inset: -12% -10%; background: radial-gradient(closest-side, rgba(96,150,255,.45), rgba(96,150,255,.12) 55%, transparent 75%); filter: blur(10px); animation: orbPulse 7s ease-in-out infinite; }
@keyframes orbPulse { 0%,100% { opacity:.85; transform:scale(1);} 50% { opacity:1; transform:scale(1.05);} }
.hero::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 120px; background: linear-gradient(180deg, transparent, rgba(8,27,58,.55)); pointer-events: none; }
.hero-inner { position: relative; z-index: 1; }
.float-tag.ft-3 { top: 46%; left: -3%; animation: float 7s ease-in-out .4s infinite; }
.float-tag svg { color: var(--blue); flex-shrink: 0; }
.ft-3 { border-left: 3px solid var(--red); }

/* --- Section rhythm --- */
.section.soft { background: linear-gradient(180deg, #F2F7FD 0%, #FAFCFF 100%); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; }
.eyebrow::before { content: ""; width: 18px; height: 3px; border-radius: 2px; background: var(--red); }
.section-head h2 { letter-spacing: -.01em; }

/* --- Product cards --- */
.prod-card { transition: transform .25s, box-shadow .25s, border-color .25s; }
.prod-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-2); border-color: #BFD2F0; }
.prod-card .ph { background: linear-gradient(165deg, #EAF2FB 0%, #FBFDFF 75%); }
.prod-card .ph::after { content: ""; position: absolute; inset: 0; background: radial-gradient(120% 90% at 50% 8%, rgba(255,255,255,.65), transparent 55%); pointer-events: none; }
.prod-card:hover .ph img { transform: scale(1.07); }

/* --- Family cards --- */
.family-card .ph img { transition: transform .35s ease; }
.family-card:hover .ph img { transform: scale(1.06); }

/* --- Solution cards (home grid) --- */
.sol-card { overflow: hidden; }
.sol-card img.bg { transition: transform .5s ease; }
.sol-card:hover img.bg { transform: scale(1.06); }

/* --- News cards --- */
.news-card { transition: transform .25s, box-shadow .25s; }
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-2); }

/* --- Why cards: icon chips --- */
.why-card .ic { width: 46px; height: 46px; border-radius: 12px; background: linear-gradient(150deg, #EAF2FC, #F8FBFF); border: 1px solid #DCE7F6; display: grid; place-items: center; color: var(--blue); margin-bottom: 16px; }
.why-card h3 { margin-top: 0; }

/* --- Stats band: subtle top hairline glow --- */
.stats-band { position: relative; }
.stats-band::before { content: ""; position: absolute; top: 0; left: 10%; right: 10%; height: 1px; background: linear-gradient(90deg, transparent, rgba(255,255,255,.45), transparent); }

/* --- Trustbar items hover --- */
.trust-item { transition: transform .2s; }
.trust-item:hover { transform: translateY(-2px); }

/* ================= v3 — Official-site style homepage ================= */

/* --- Full-bleed photo hero slider --- */
.hero-slider { position: relative; height: clamp(540px, 76vh, 680px); overflow: hidden; background: var(--blue-xd); }
.hero-slider .slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .9s ease, visibility .9s; }
.hero-slider .slide.on { opacity: 1; visibility: visible; z-index: 1; }
.hero-slider .slide .bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-slider .slide.on .bg { animation: kenburns 8s ease-out forwards; }
@keyframes kenburns { from { transform: scale(1.07); } to { transform: scale(1); } }
.hero-slider .shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6,18,40,.86) 0%, rgba(6,18,40,.55) 48%, rgba(6,18,40,.12) 100%); }
.hero-slider .slide-con { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; justify-content: center; max-width: 1240px; }
.hero-slider .slide-kicker { display: inline-flex; align-items: center; gap: 8px; width: fit-content; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.25); padding: 7px 15px; border-radius: 100px; font-size: 13.5px; letter-spacing: .04em; color: #D5E2FA; backdrop-filter: blur(4px); }
.hero-slider .slide-kicker b { color: #FFD3D6; }
.hero-slider h1, .hero-slider .slide-h { margin-top: 22px; font-size: clamp(34px, 4.6vw, 58px); line-height: 1.1; font-weight: 800; letter-spacing: -.015em; color: #fff; max-width: 640px; text-shadow: 0 2px 22px rgba(0,0,0,.35); }
.hero-slider h1 em, .hero-slider .slide-h em { font-style: normal; color: #8FB4FF; }
.hero-slider .lead { margin: 20px 0 30px; font-size: 17.5px; color: #CBD9F2; max-width: 560px; text-shadow: 0 1px 12px rgba(0,0,0,.4); }
.hero-slider .slide-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* arrows */
.sl-arrow { position: absolute; z-index: 3; top: 50%; transform: translateY(-50%); width: 48px; height: 48px; border-radius: 50%; border: 1px solid rgba(255,255,255,.35); background: rgba(10,25,50,.35); color: #fff; font-size: 26px; line-height: 1; cursor: pointer; display: grid; place-items: center; transition: all .2s; backdrop-filter: blur(3px); }
.sl-arrow:hover { background: rgba(255,255,255,.92); color: var(--blue); border-color: transparent; }
.sl-arrow.prev { left: 22px; }
.sl-arrow.next { right: 22px; }

/* dots */
.sl-dots { position: absolute; z-index: 3; left: 0; right: 0; bottom: 26px; display: flex; justify-content: center; gap: 10px; }
.sl-dot { width: 10px; height: 10px; border-radius: 100px; border: 0; padding: 0; background: rgba(255,255,255,.45); cursor: pointer; transition: all .3s; }
.sl-dot.on { width: 30px; background: #fff; }

/* --- Product cards: official centered style --- */
.prod-card .bd { text-align: center; align-items: center; }
.prod-card .cat { letter-spacing: .12em; }
.prod-card .row { justify-content: center; gap: 16px; }
.prod-card .row a:first-child { border-bottom: 1px solid rgba(22,65,140,.25); padding-bottom: 1px; }
.prod-card .row a:first-child:hover { border-bottom-color: var(--blue); }

/* --- Industry application cards (official 3-col photo cards) --- */
.app-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.app-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all .28s; display: flex; flex-direction: column; }
.app-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); border-color: #BFD2F0; }
.app-card .ph { display: block; aspect-ratio: 16/10; overflow: hidden; background: var(--bg-tint); position: relative; }
.app-card .ph img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.app-card:hover .ph img { transform: scale(1.06); }
.app-card .bd { display: flex; flex-direction: column; flex: 1; padding: 20px 22px 22px; }
.app-card h3 { font-size: 17.5px; color: var(--ink); line-height: 1.35; }
.app-card p { margin-top: 8px; font-size: 14px; color: var(--ink-2); line-height: 1.6; flex: 1; }
.app-card .more { margin-top: 14px; color: var(--blue); font-weight: 700; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.app-card .more i { font-style: normal; transition: transform .25s; }
.app-card:hover .more i { transform: translateX(4px); }

/* --- About band (official: text + factory photo with floating stat chips) --- */
.about-band { background: linear-gradient(180deg, #F1F5FA 0%, #F8FAFD 100%); padding: 92px 0; }
.about-inner { display: grid; grid-template-columns: 1fr 1.15fr; gap: 60px; align-items: center; }
.about-txt h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 800; letter-spacing: -.01em; color: var(--ink); margin-top: 4px; }
.about-txt > p { margin-top: 16px; color: var(--ink-2); font-size: 16px; }
.about-media { position: relative; }
.about-media > img { width: 100%; border-radius: 16px; box-shadow: var(--shadow-2); aspect-ratio: 16/10; object-fit: cover; }
.stat-chip { position: absolute; background: rgba(255,255,255,.97); border-radius: 12px; box-shadow: var(--shadow-2); padding: 14px 20px; text-align: left; min-width: 150px; border: 1px solid rgba(227,232,240,.8); }
.stat-chip b { display: block; font-size: 27px; font-weight: 800; color: var(--blue); letter-spacing: -.01em; line-height: 1.1; }
.stat-chip b i { font-style: normal; font-size: 17px; color: var(--blue-l); }
.stat-chip span { display: block; margin-top: 3px; font-size: 12.5px; color: var(--ink-3); }
.sc1 { top: 7%; right: -34px; }
.sc2 { top: 42%; right: -16px; }
.sc3 { bottom: 7%; right: 4%; }
@media (max-width: 1200px) { .sc1 { right: -8px; } .sc2 { right: 0; } }

/* --- responsive --- */
@media (max-width: 1080px) {
  .app-grid { grid-template-columns: repeat(2, 1fr); }
  .about-inner { grid-template-columns: 1fr; gap: 72px; }
  .about-media { max-width: 640px; margin: 0 auto; }
}
@media (max-width: 860px) {
  .hero-slider { height: auto; min-height: 0; }
  .hero-slider .slide { position: absolute; }
  .hero-slider .slide.on { position: relative; }
  .hero-slider .slide-con { padding: 64px 24px 84px; }
  .hero-slider h1, .hero-slider .slide-h { max-width: none; }
  .sl-arrow { display: none; }
  .about-band { padding: 64px 0; }
}
@media (max-width: 560px) {
  .app-grid { grid-template-columns: 1fr; }
  .stat-chip { position: static; display: inline-block; margin: 10px 8px 0 0; }
  .about-media > img { margin-bottom: 2px; }
}

/* ================= v4 — Motion & transitions ================= */
:root { --ease-out: cubic-bezier(.22,.61,.36,1); }

/* --- scroll reveal: smoother, with stagger support --- */
.reveal { transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); will-change: opacity, transform; }
.reveal.in { opacity: 1; transform: none; }
.reveal-l { transform: translateX(-34px); }
.reveal-r { transform: translateX(34px); }
.reveal-s { transform: translateY(18px) scale(.97); }

/* --- hero slide content entrance (restarts on each slide) --- */
@keyframes heroIn { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: none; } }
.hero-slider .slide.on .slide-kicker { animation: heroIn .7s var(--ease-out) .05s both; }
.hero-slider .slide.on h1,
.hero-slider .slide.on .slide-h { animation: heroIn .85s var(--ease-out) .14s both; }
.hero-slider .slide.on .lead { animation: heroIn .85s var(--ease-out) .26s both; }
.hero-slider .slide.on .slide-actions { animation: heroIn .85s var(--ease-out) .38s both; }
.hero-slider .slide.on .bg { animation: kenburns 8s ease-out both; }

/* --- about stat chips: pop in when section enters view --- */
@keyframes chipIn { from { opacity: 0; transform: translateY(16px) scale(.94); } to { opacity: 1; transform: none; } }
.about-media .stat-chip { opacity: 0; }
.about-media.in .stat-chip { animation: chipIn .65s var(--ease-out) both; }
.about-media.in .sc1 { animation-delay: .25s; }
.about-media.in .sc2 { animation-delay: .38s; }
.about-media.in .sc3 { animation-delay: .51s; }
.stat-chip b .n { display: inline-block; font-variant-numeric: tabular-nums; }

/* --- media reveal: image settles in --- */
@keyframes imgIn { from { opacity: 0; transform: scale(1.04); } to { opacity: 1; transform: none; } }
.about-media.in > img { animation: imgIn .9s var(--ease-out) both; }

/* --- header: elevation on scroll --- */
.site-header { transition: box-shadow .35s ease, background .35s ease; }
.site-header.scrolled { box-shadow: 0 8px 26px rgba(13,38,76,.09); background: rgba(255,255,255,.985); }

/* --- nav underline grow --- */
.main-nav > li > a { position: relative; }
.main-nav > li > a::before { content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px; height: 2px; border-radius: 2px; background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform .28s var(--ease-out); }
.main-nav > li > a:hover::before, .main-nav > li.active > a::before { transform: scaleX(1); }
.main-nav > li > a.nosub::before, .main-nav > li > a::after { pointer-events: none; }

/* --- buttons: icon nudge --- */
.btn svg { transition: transform .25s var(--ease-out); }
.btn:hover svg { transform: translateX(3px); }
.btn-ghost:hover svg { transform: translateX(3px); }

/* --- cards: smoother hover easing --- */
.prod-card, .app-card, .news-card, .why-card, .family-card { transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out), border-color .35s var(--ease-out); }

/* --- trust bar icons subtle pulse on hover --- */
.trust-item .ic { transition: background .3s, color .3s, transform .3s var(--ease-out); }
.trust-item:hover .ic { background: var(--blue); color: #fff; transform: translateY(-2px) scale(1.04); }

/* --- respect reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-delay: 0ms !important; transition-duration: .001ms !important; }
  .reveal, .about-media .stat-chip { opacity: 1 !important; transform: none !important; }
}

/* no-JS fallback: chips must stay visible without the observer */
.no-js .about-media .stat-chip { opacity: 1; }

/* ================= v5 — Buyer facts & guides (SEO/AI extraction) ================= */
.buyer-facts { margin: 26px 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-soft); padding: 22px 24px; }
.buyer-facts > b { display: block; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; color: var(--blue); margin-bottom: 12px; }
.facts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 30px; }
.facts-grid > div { display: grid; grid-template-columns: 106px 1fr; gap: 10px; align-items: baseline; padding: 6px 0; border-bottom: 1px dashed var(--line); }
.facts-grid dt { font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-3); }
.facts-grid dd { margin: 0; font-size: 13.5px; color: var(--ink-2); line-height: 1.55; }
.facts-note { margin-top: 12px; font-size: 12.5px; color: var(--ink-3); }
.pd-guides { margin-top: 24px; display: grid; gap: 10px; }
.pd-guides > b { font-size: 14px; text-transform: uppercase; letter-spacing: .08em; color: var(--blue); margin-bottom: 2px; }
.pd-guides a { display: flex; justify-content: space-between; align-items: center; gap: 10px; border: 1px solid var(--line); border-radius: 10px; padding: 13px 16px; font-weight: 600; font-size: 14.5px; color: var(--ink); transition: border-color .2s, color .2s, box-shadow .2s; }
.pd-guides a:hover { border-color: var(--blue); color: var(--blue); box-shadow: var(--shadow-1); }
.pd-guides a i { font-style: normal; color: var(--blue); transition: transform .2s; }
.pd-guides a:hover i { transform: translateX(3px); }

/* article body: headings & lists inside long-form guides */
.art-body h2 { font-size: 21px; font-weight: 800; color: var(--ink); margin: 30px 0 12px; letter-spacing: -.01em; }
.art-body ul { margin: 0 0 18px; padding-left: 22px; list-style: disc; color: var(--ink-2); }
.art-body ul li { margin: 8px 0; font-size: 15.5px; line-height: 1.7; }
.art-body li b { color: var(--ink); }
.art-body a { color: var(--blue); font-weight: 600; border-bottom: 1px solid rgba(22,65,140,.25); }
.art-body a:hover { border-bottom-color: var(--blue); }
@media (max-width: 700px) { .facts-grid { grid-template-columns: 1fr; } }

/* ================= v6 — Engineering support page ================= */
.svc-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-1); }
.svc-table caption { text-align: left; font-weight: 800; font-size: 17px; padding: 4px 0 12px; color: var(--ink); }
.svc-table th, .svc-table td { text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--line); font-size: 14px; vertical-align: top; }
.svc-table thead th { background: var(--blue); color: #fff; font-weight: 700; font-size: 13px; letter-spacing: .03em; white-space: nowrap; }
.svc-table tbody td:first-child { font-weight: 700; color: var(--ink); }
.svc-table tbody tr:nth-child(even) { background: var(--bg-soft); }
.svc-table tbody tr:last-child td { border-bottom: 0; }
.svc-table td:last-child { font-weight: 700; color: var(--blue); white-space: nowrap; }
@media (max-width: 760px) { .svc-table thead { display: none; } .svc-table td { display: block; border-bottom: 0; padding: 4px 16px; } .svc-table tbody tr { display: block; padding: 10px 0; border-bottom: 1px solid var(--line); } .svc-table td:last-child { white-space: normal; } }

/* ---------- v7: AI chat assistant ---------- */
.ai-chat-btn { position: fixed; right: 22px; bottom: 96px; z-index: 301; width: 58px; height: 58px; border-radius: 50%; border: 0; background: var(--blue); color: #fff; display: grid; place-items: center; cursor: pointer; box-shadow: 0 12px 30px rgba(22,65,140,.45); transition: transform .2s var(--ease-out, ease), background .2s; }
.ai-chat-btn:hover { transform: scale(1.08); }
.ai-chat-btn .ic-close { display: none; }
.ai-chat-btn.open .ic-open { display: none; }
.ai-chat-btn.open .ic-close { display: block; }
.ai-chat-dot { position: absolute; top: 3px; right: 3px; width: 12px; height: 12px; border-radius: 50%; background: #E5484D; border: 2px solid #fff; opacity: 0; transform: scale(0); transition: opacity .3s, transform .3s var(--ease-out, ease); }
.ai-chat-dot.show { opacity: 1; transform: scale(1); }
.ai-chat-panel { position: fixed; right: 22px; bottom: 166px; z-index: 301; width: 372px; max-width: calc(100vw - 24px); height: min(560px, calc(100vh - 190px)); display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 24px 60px rgba(15,35,70,.22); overflow: hidden; opacity: 0; transform: translateY(14px) scale(.98); pointer-events: none; transition: opacity .25s var(--ease-out, ease), transform .25s var(--ease-out, ease); }
.ai-chat-panel.open { opacity: 1; transform: none; pointer-events: auto; }
.ai-chat-head { display: flex; align-items: center; gap: 11px; padding: 14px 16px; background: var(--blue); color: #fff; flex: 0 0 auto; }
.ai-chat-avatar { width: 38px; height: 38px; border-radius: 11px; background: rgba(255,255,255,.16); display: grid; place-items: center; flex: 0 0 auto; }
.ai-chat-head strong { display: block; font-size: 15px; letter-spacing: .01em; }
.ai-chat-status { display: flex; align-items: center; gap: 6px; font-size: 11.5px; opacity: .85; }
.ai-chat-status i { width: 7px; height: 7px; border-radius: 50%; background: #4ade80; display: inline-block; }
.ai-chat-body { flex: 1 1 auto; overflow-y: auto; padding: 16px 14px; display: flex; flex-direction: column; gap: 10px; background: var(--bg-soft, #f6f8fb); scroll-behavior: smooth; }
.ai-msg { max-width: 86%; padding: 10px 14px; border-radius: 14px; font-size: 14px; line-height: 1.55; }
.ai-msg.bot { align-self: flex-start; background: #fff; border: 1px solid var(--line); border-bottom-left-radius: 4px; color: var(--ink); }
.ai-msg.bot a { color: var(--blue); }
.ai-msg.user { align-self: flex-end; background: var(--blue); color: #fff; border-bottom-right-radius: 4px; overflow-wrap: anywhere; }
.ai-msg.bot b { color: var(--ink); }
.ai-typing { display: flex; gap: 4px; align-items: center; padding: 13px 16px; }
.ai-typing span { width: 7px; height: 7px; border-radius: 50%; background: #b6c2d4; animation: aiBlink 1.2s infinite; }
.ai-typing span:nth-child(2) { animation-delay: .2s; }
.ai-typing span:nth-child(3) { animation-delay: .4s; }
@keyframes aiBlink { 0%, 60%, 100% { opacity: .35; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-3px); } }
.ai-chat-foot { flex: 0 0 auto; padding: 10px 12px 12px; background: #fff; border-top: 1px solid var(--line); }
.ai-chat-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 9px; }
.ai-chip { border: 1px solid var(--blue); color: var(--blue); background: #fff; font: inherit; font-size: 12.5px; font-weight: 600; padding: 5px 11px; border-radius: 999px; cursor: pointer; transition: background .15s, color .15s; }
.ai-chip:hover { background: var(--blue); color: #fff; }
.ai-chat-form { display: flex; gap: 8px; }
.ai-chat-form input { flex: 1; border: 1px solid var(--line); border-radius: 10px; padding: 10px 13px; font: inherit; font-size: 14px; outline: none; transition: border-color .15s, box-shadow .15s; }
.ai-chat-form input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(22,65,140,.12); }
.ai-chat-form button { width: 42px; border: 0; border-radius: 10px; background: var(--blue); color: #fff; display: grid; place-items: center; cursor: pointer; transition: background .15s; }
.ai-chat-form button:hover { background: #0f3273; }
.ai-chat-note { margin-top: 8px; font-size: 11px; color: #8593a8; text-align: center; }
.ai-chat-note a { color: #8593a8; text-decoration: underline; }
.ai-lead-actions { display: flex; gap: 8px; margin-top: 9px; flex-wrap: wrap; }
.ai-lead-actions a { flex: 1 1 130px; text-align: center; padding: 8px 10px; border-radius: 9px; font-size: 13px; font-weight: 700; text-decoration: none; }
.ai-lead-actions a:first-child { background: #25D366; color: #fff; }
.ai-lead-actions a:last-child { background: #fff; color: var(--blue); border: 1px solid var(--blue); }
@media (max-width: 640px) {
  .ai-chat-btn { right: 16px; bottom: 88px; }
  .ai-chat-panel { right: 12px; left: 12px; bottom: 156px; width: auto; height: min(520px, calc(100vh - 180px)); }
}
@media (prefers-reduced-motion: reduce) {
  .ai-chat-panel, .ai-chat-dot, .ai-chat-btn { transition: none; }
  .ai-typing span { animation: none; }
}

/* ---------- v8: at brand logo ---------- */
.brand-mark.at-logo { height: 38px; max-width: 100%; }
@media (max-width: 760px) { .brand-mark.at-logo { height: 32px; } }

/* ---------- v9: at brand on product pages & about ---------- */
.pd-brand { display: inline-flex; align-items: center; gap: 9px; padding: 7px 14px 7px 10px; background: rgba(23,165,172,.09); border: 1px solid rgba(23,165,172,.28); border-radius: 999px; margin-bottom: 14px; }
.pd-brand img { height: 19px; width: auto; max-width: none; display: block; }
.pd-brand span { font-size: 12.5px; letter-spacing: .02em; color: #0E7E84; font-weight: 600; }
.pd-brand b { color: #0E7E84; }
.at-chip { display: inline-block; vertical-align: middle; margin-left: 8px; padding: 2px 9px; border-radius: 999px; background: rgba(23,165,172,.12); color: #0E7E84; font-size: 12px; font-weight: 700; letter-spacing: .02em; }
.brand-story { display: grid; grid-template-columns: 320px 1fr; gap: 56px; align-items: center; }
.brand-visual { background: var(--bg-soft, #f6f8fb); border: 1px solid var(--line); border-radius: 20px; padding: 40px 34px 26px; text-align: center; }
.brand-visual img { width: 100%; max-width: 250px; height: auto; display: block; margin: 0 auto 18px; }
.brand-visual-cap { display: block; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: #8593a8; }
@media (max-width: 900px) {
  .brand-story { grid-template-columns: 1fr; gap: 28px; }
  .brand-visual { max-width: 340px; margin: 0 auto; }
}

/* ---------- v10: chat product spec cards (data from the product catalogue) ---------- */
.ai-msg.bot.has-spec { max-width: 100%; width: 100%; padding: 12px 12px 11px; }
.ai-spec { margin-top: 2px; }
.ai-spec-h { font-size: 13px; font-weight: 800; color: var(--ink); line-height: 1.35; margin-bottom: 8px; }
.ai-spec-t { width: 100%; border-collapse: collapse; font-size: 12px; table-layout: fixed; }
.ai-spec-t th, .ai-spec-t td { padding: 5px 6px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.ai-spec-t th { width: 41%; color: #64748b; font-weight: 600; }
.ai-spec-t td { color: var(--ink); font-weight: 600; overflow-wrap: anywhere; }
.ai-spec-t tr:last-child th, .ai-spec-t tr:last-child td { border-bottom: 0; }
.ai-spec-more { margin-top: 3px; }
.ai-spec-more summary { cursor: pointer; font-size: 12px; font-weight: 700; color: var(--blue); padding: 6px 0; list-style: none; }
.ai-spec-more summary::-webkit-details-marker { display: none; }
.ai-spec-more summary::before { content: "+ "; }
.ai-spec-more[open] summary::before { content: "– "; }
.ai-spec-link { display: inline-block; margin-top: 7px; font-size: 12px; font-weight: 700; color: var(--blue); text-decoration: none; }
.ai-spec-link:hover { text-decoration: underline; }
.ai-spec-list { display: flex; flex-direction: column; gap: 1px; margin-top: 6px; }
.ai-spec-row { display: block; padding: 7px 8px; border-radius: 8px; text-decoration: none; color: var(--ink); transition: background .15s; }
.ai-spec-row:hover { background: #eef3fb; }
.ai-spec-row b { display: block; font-size: 12.5px; }
.ai-spec-row span { display: block; font-size: 11.5px; color: #64748b; margin-top: 1px; }
.ai-spec-note { margin: 9px 0 0; font-size: 12.5px; line-height: 1.5; color: #475569; }