/* NIXI Autoparts replica - custom stylesheet v2 (matched to live site) */
:root {
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --blue-50: #eff6ff;
  --navy: #16233f;
  --navy-2: #0f1b33;
  --ink: #0f172a;
  --gray-900: #111827;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --gray-50: #f9fafb;
  --green: #059669;
  --wa: #25d366;
  --wc: #07c160;
  --shadow-lg: 0 10px 40px rgba(15, 23, 42, .08);
  --shadow-xl: 0 20px 60px rgba(15, 23, 42, .12);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, 'Segoe UI', sans-serif;
  color: var(--gray-900);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: 14px; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
@media (min-width: 1024px) { .container { padding: 0 40px; } }

/* ===== kickers / titles ===== */
.kicker {
  display: block;
  font-size: 11px; font-weight: 800; letter-spacing: .18em;
  text-transform: uppercase; color: var(--blue); margin-bottom: 12px;
}
.section-title { font-size: clamp(26px, 3.4vw, 38px); font-weight: 700; letter-spacing: -.02em; line-height: 1.2; color: var(--gray-900); }
.section-sub { color: var(--gray-500); font-size: 14.5px; margin-top: 12px; }
.center { text-align: center; }
.center .section-sub { max-width: 560px; margin-left: auto; margin-right: auto; }
.section { padding: 76px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 44px; flex-wrap: wrap; }

/* ===== buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .12em;
  padding: 13px 28px; border-radius: 999px; transition: all .25s; white-space: nowrap;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 8px 24px rgba(37, 99, 235, .18); }
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-1px); }
.btn-ghost { border: 1.5px solid var(--gray-200); color: var(--gray-700); background: #fff; }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn-sm { padding: 11px 24px; font-size: 11px; }
.btn-quote {
  border: 1.5px solid var(--gray-200); color: var(--blue); background: #fff;
  border-radius: 10px; font-size: 12.5px; font-weight: 700; padding: 11px 0;
  width: 100%; text-align: center; text-transform: none; letter-spacing: 0; transition: all .2s;
}
.btn-quote:hover { background: var(--blue); border-color: var(--blue); color: #fff; }
.link-blue { color: var(--blue); font-weight: 700; font-size: 13px; }
.link-blue:hover { text-decoration: underline; }

/* ===== header ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: #fff; border-bottom: 1px solid var(--gray-100);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
.logo img { height: 36px; width: auto; object-fit: contain; }
.main-nav { display: none; align-items: center; gap: 32px; }
@media (min-width: 980px) { .main-nav { display: flex; } }
.main-nav a {
  font-size: 12.5px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .1em; color: var(--gray-700); transition: color .2s;
}
.main-nav a:hover, .main-nav a.active { color: var(--blue); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.lang-switch {
  display: none; align-items: center; gap: 6px; font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em; color: var(--gray-700);
}
.lang-switch svg { width: 16px; height: 16px; }
.lang-switch .chev { width: 12px; height: 12px; }
@media (min-width: 980px) { .lang-switch { display: inline-flex; } }
.header-cta { display: none; }
@media (min-width: 980px) { .header-cta { display: inline-flex; } }
.hamburger { display: flex; flex-direction: column; gap: 5px; padding: 8px; }
.hamburger span { width: 22px; height: 2px; background: var(--gray-600); border-radius: 2px; }
@media (min-width: 980px) { .hamburger { display: none; } }
.mobile-nav { display: none; background: #fff; border-top: 1px solid var(--gray-100); padding: 24px; }
.mobile-nav.open { display: block; }
.mobile-nav a:not(.btn) {
  display: block; padding: 12px 0; font-size: 13px; font-weight: 800;
  text-transform: uppercase; letter-spacing: .12em; color: var(--gray-700);
}

/* ===== heroes ===== */
.hero, .page-hero { position: relative; overflow: hidden; background: linear-gradient(105deg, #101c38 0%, #16233f 55%, #1d3a6e 100%); }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .3; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(13,22,44,.92) 15%, rgba(13,22,44,.6) 55%, rgba(29,58,110,.45));
}
.hero-inner { position: relative; padding: 96px 0 104px; text-align: center; max-width: 820px; margin: 0 auto; }
.hero-kicker {
  display: inline-block; font-size: 11px; font-weight: 800; letter-spacing: .2em;
  text-transform: uppercase; color: #93c5fd; margin-bottom: 24px;
}
.hero h1 { color: #fff; font-size: clamp(34px, 5vw, 58px); font-weight: 700; letter-spacing: -.02em; line-height: 1.12; }
.hero h1 .accent { color: #4f8dff; }
.hero p { color: #cbd5e1; font-size: 15.5px; margin: 22px auto 30px; max-width: 540px; line-height: 1.75; }
.hero-badges { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-bottom: 30px; }
.hero-badge {
  font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .14em;
  color: #e2e8f0; border: 1px solid rgba(255,255,255,.3); background: rgba(255,255,255,.08);
  padding: 9px 20px; border-radius: 999px;
}
.page-hero-inner { position: relative; padding: 72px 0; text-align: center; }
.page-hero-inner .kicker { color: #93c5fd; }
.page-hero h1 { color: #fff; font-size: clamp(30px, 4.2vw, 48px); font-weight: 700; letter-spacing: -.02em; }
.page-hero .sub { color: #cbd5e1; margin-top: 14px; font-size: 15px; font-weight: 500; }
.page-hero.blue { background: #1e40af; }
.page-hero.blue .hero-bg { display: none; }

/* ===== brand strip ===== */
.brand-strip { background: var(--gray-50); border-bottom: 1px solid var(--gray-100); padding: 52px 0; }
.brand-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(112px, 1fr)); gap: 10px; margin-top: 36px; }
.brand-card {
  background: #fff; border: 1px solid var(--gray-100); border-radius: 10px;
  padding: 14px 8px; display: flex; flex-direction: column; align-items: center; gap: 9px;
  transition: all .25s; 
}
.brand-card:hover { filter: none; opacity: 1; transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.brand-card img { width: 36px; height: 36px; object-fit: contain; }
.brand-card span { font-size: 9.5px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--gray-600); text-align: center; line-height: 1.3; }

/* ===== category photo cards ===== */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 900px) { .cat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .cat-grid { grid-template-columns: 1fr; } }
.cat-card {
  position: relative; border-radius: 16px; overflow: hidden; aspect-ratio: 16/10;
  background: var(--navy); display: block;
}
.cat-card img { width: 100%; height: 100%; object-fit: cover; opacity: .82; transition: transform .5s, opacity .3s; }
.cat-card:hover img { transform: scale(1.06); opacity: .95; }
.cat-card::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(13,22,44,.05) 40%, rgba(13,22,44,.85));
}
.cat-label {
  position: absolute; left: 22px; bottom: 18px; z-index: 2; color: #fff;
}
.cat-label h3 { font-size: 16.5px; font-weight: 700; }
.cat-label span { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: #93c5fd; }

/* ===== info blocks ===== */
.info-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: 44px; }
@media (max-width: 1000px) { .info-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .info-grid { grid-template-columns: 1fr; } }
.info-block { border: 1px solid var(--gray-200); border-radius: 12px; padding: 20px 18px; background: #fff; }
.info-block h4 { font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; color: var(--gray-900); margin-bottom: 8px; }
.info-block p { font-size: 12.5px; color: var(--gray-500); line-height: 1.6; }

/* ===== numbered rows (trader & factory) ===== */
.num-rows { display: flex; flex-direction: column; }
.num-row { display: flex; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--gray-100); align-items: flex-start; }
.num-row:last-child { border-bottom: none; }
.num-row .no { font-size: 12px; font-weight: 900; color: var(--blue); letter-spacing: .1em; margin-top: 3px; min-width: 44px; }
.num-row h3 { font-size: 16px; font-weight: 700; margin-bottom: 5px; }
.num-row p { font-size: 13.5px; color: var(--gray-500); line-height: 1.65; }

/* ===== product cards ===== */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 1000px) { .prod-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .prod-grid { grid-template-columns: 1fr; } }
.prod-card {
  border: 1px solid var(--gray-200); border-radius: 14px; background: #fff;
  overflow: hidden; transition: all .3s; display: flex; flex-direction: column;
}
.prod-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); }
.prod-img { position: relative; aspect-ratio: 4/3; background: var(--gray-50); overflow: hidden; display: block; }
.prod-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.prod-card:hover .prod-img img { transform: scale(1.05); }
.prod-brand-chip {
  position: absolute; top: 12px; left: 12px; background: var(--navy); color: #fff;
  border-radius: 6px; padding: 4px 9px; display: flex; align-items: center; gap: 6px;
  font-size: 9.5px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
}
.prod-brand-chip img { width: 16px; height: 16px; object-fit: contain; background: #fff; border-radius: 3px; padding: 1px; }
.prod-body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.prod-body h3 { font-size: 15.5px; font-weight: 700; line-height: 1.4; }
.prod-model { font-size: 12.5px; color: var(--gray-500); font-weight: 500; }
.prod-meta { display: flex; align-items: center; justify-content: space-between; font-size: 11.5px; margin: 6px 0 4px; }
.part-num { color: var(--gray-400); font-weight: 600; letter-spacing: .02em; font-size: 11px; }
.stock-badge {
  font-size: 10.5px; font-weight: 700; color: var(--green);
  display: inline-flex; align-items: center; gap: 4px;
}
.stock-badge.made { color: #d97706; }

/* ===== steps ===== */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 26px; }
@media (max-width: 1000px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
.step { text-align: center; }
.step .step-dot {
  width: 54px; height: 54px; border-radius: 50%; background: var(--blue); color: #fff;
  font-size: 18px; font-weight: 800; display: flex; align-items: center; justify-content: center;
  margin: 0 auto 18px; box-shadow: 0 8px 20px rgba(37,99,235,.3);
}
.step h4 { font-size: 14.5px; font-weight: 700; margin-bottom: 8px; }
.step p { font-size: 12.5px; color: var(--gray-500); line-height: 1.65; }
/* dark variant (services workflow) */
.steps-dark .step .step-dot { display: none; }
.steps-dark .step { text-align: left; }
.steps-dark { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; position: relative; }
.steps-dark .ghost {
  font-size: clamp(48px, 6vw, 84px); font-weight: 700; letter-spacing: -.03em;
  color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.22); display: block; margin-bottom: 10px; line-height: 1;
}
.steps-dark h4 { color: #fff; font-size: 14.5px; }
.steps-dark p { color: #8fa3c4; font-size: 12.5px; }

/* ===== stats bands ===== */
.stats-band { background: var(--blue); border-radius: 0; padding: 64px 32px; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; text-align: center; max-width: 1080px; margin: 44px auto 0; }
@media (max-width: 800px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
.stat .val { font-size: clamp(34px, 4vw, 50px); font-weight: 700; color: #fff; letter-spacing: -.02em; }
.stat .lbl { font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .16em; color: #bfdbfe; margin-top: 8px; }
.stats-navy { background: var(--navy-2); padding: 48px 32px; }
.stats-navy .stat .val { color: #4f8dff; }

/* ===== CTA band ===== */
.cta-band { background: var(--navy-2); padding: 80px 32px; text-align: center; }
.cta-band h2 { color: #fff; font-size: clamp(26px, 3.4vw, 40px); font-weight: 700; margin-bottom: 12px; }
.cta-band p { color: #8fa3c4; font-size: 14.5px; margin-bottom: 32px; }

/* ===== split ===== */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 40px; } }
.split-img { border-radius: 18px; overflow: hidden; box-shadow: var(--shadow-xl); position: relative; }
.split-img img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; }
.split-img .overlay-card {
  position: absolute; left: -24px; bottom: 32px; background: var(--blue); color: #fff;
  border-radius: 14px; padding: 20px 24px; box-shadow: var(--shadow-xl); max-width: 260px;
}
.split-img .overlay-card .val { font-size: 34px; font-weight: 700; letter-spacing: -.02em; }
.split-img .overlay-card .lbl { font-size: 11.5px; color: #bfdbfe; margin-top: 5px; line-height: 1.5; }

/* ===== trio cards (services / about) ===== */
.trio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 900px) { .trio-grid { grid-template-columns: 1fr; } }
.trio-card {
  border: 1px solid var(--gray-200); border-radius: 14px; padding: 30px 28px;
  background: #fff; transition: all .3s; position: relative;
}
.trio-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.trio-card.hl { border-color: var(--blue); box-shadow: 0 10px 30px rgba(37,99,235,.12); }
.pop-flag {
  position: absolute; top: -11px; left: 26px; background: var(--blue); color: #fff;
  font-size: 9px; font-weight: 900; text-transform: uppercase; letter-spacing: .12em;
  padding: 4px 12px; border-radius: 999px;
}
.trio-icon {
  width: 46px; height: 46px; border-radius: 12px; display: flex; align-items: center;
  justify-content: center; margin-bottom: 20px; font-size: 20px;
}
.trio-icon.blue { background: #dbeafe; color: var(--blue); }
.trio-icon.green { background: #d1fae5; color: var(--green); }
.trio-icon.purple { background: #ede9fe; color: #7c3aed; }
.trio-card h3 { font-size: 16.5px; font-weight: 700; margin-bottom: 9px; }
.trio-card > p { font-size: 13px; color: var(--gray-500); line-height: 1.7; margin-bottom: 16px; }
.check-list { display: flex; flex-direction: column; gap: 9px; margin-bottom: 20px; }
.check-list li { font-size: 12.5px; color: var(--gray-600); display: flex; gap: 8px; align-items: center; }
.check-list li::before { content: "✓"; color: var(--green); font-weight: 900; font-size: 12px; }

/* ===== link matrix ===== */
.matrix-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 40px; }
@media (max-width: 900px) { .matrix-grid { grid-template-columns: repeat(2, 1fr); } }
.matrix-grid a {
  border: 1px solid var(--gray-200); border-radius: 10px; padding: 15px 18px;
  font-size: 12.5px; font-weight: 600; color: var(--gray-700); background: #fff;
  transition: all .2s; display: flex; align-items: center; min-height: 52px;
}
.matrix-grid a:hover { border-color: var(--blue); color: var(--blue); box-shadow: var(--shadow-lg); }

/* ===== logistics cards ===== */
.log-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 44px; }
@media (max-width: 800px) { .log-grid { grid-template-columns: 1fr; } }
.log-card { border: 1px solid var(--gray-200); border-radius: 14px; background: #fff; display: flex; overflow: hidden; }
.log-card .thumb { width: 130px; flex-shrink: 0; background: #dbeafe; display: flex; align-items: center; justify-content: center; font-size: 40px; }
.log-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.log-body { padding: 24px 26px; flex: 1; }
.log-body h3 { font-size: 16px; font-weight: 700; margin-bottom: 14px; }
.log-row { display: flex; gap: 28px; }
.log-cell .k { font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; color: var(--gray-400); margin-bottom: 3px; }
.log-cell .v { font-size: 14.5px; font-weight: 700; color: var(--gray-900); }

/* ===== about ===== */
.about-stats-band { background: var(--navy-2); padding: 52px 32px; }
.about-stats-band .stats-grid { grid-template-columns: repeat(3, 1fr); margin-top: 0; }
.vision-band {
  background: linear-gradient(120deg, #1e3a8a, #2563eb); border-radius: 18px;
  padding: 56px 52px; color: #fff;
}
.vision-band .kicker { color: #bfdbfe; }
.vision-band h2 { font-size: clamp(22px, 2.6vw, 32px); font-weight: 700; max-width: 680px; margin-bottom: 26px; line-height: 1.4; }
.warehouse-wrap { max-width: 560px; margin: 0 auto; }
.warehouse-wrap img { border-radius: 14px; aspect-ratio: 16/10; object-fit: cover; width: 100%; background: var(--gray-100); }
.warehouse-cap { text-align: center; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .14em; color: var(--gray-400); margin-top: 14px; }

/* ===== catalog ===== */
.catalog-layout { display: grid; grid-template-columns: 250px 1fr; gap: 44px; align-items: start; }
@media (max-width: 980px) { .catalog-layout { grid-template-columns: 1fr; } }
.side-title { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; margin-bottom: 18px; }
.side-title svg { width: 17px; height: 17px; stroke: var(--blue); }
.side-search { position: relative; margin-bottom: 26px; }
.side-search input {
  width: 100%; padding: 11px 14px 11px 38px; border: 1px solid var(--gray-200);
  border-radius: 8px; font-size: 13px; outline: none; background: var(--gray-50);
}
.side-search input:focus { border-color: var(--blue); background: #fff; }
.side-search svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); width: 15px; height: 15px; stroke: var(--gray-400); }
.side-label { font-size: 10.5px; font-weight: 800; text-transform: uppercase; letter-spacing: .14em; color: var(--gray-400); margin: 22px 0 12px; }
.side-list { display: flex; flex-direction: column; gap: 4px; max-height: 300px; overflow-y: auto; }
.side-item {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12.5px; font-weight: 600; color: var(--gray-600);
  padding: 9px 13px; border-radius: 8px; cursor: pointer; transition: all .15s;
}
.side-item:hover { background: var(--gray-50); color: var(--gray-900); }
.side-item.active { background: var(--blue); color: #fff; }
.side-item .chev { font-size: 11px; opacity: .7; }
.reset-btn {
  width: 100%; margin-top: 26px; border: 1px solid var(--gray-200); border-radius: 8px;
  padding: 12px; font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase;
  color: var(--gray-500); background: #fff; transition: all .2s;
}
.reset-btn:hover { border-color: var(--gray-400); color: var(--gray-700); }
.catalog-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 26px; }
.catalog-head h1 { font-size: 30px; font-weight: 700; letter-spacing: -.02em; }
.catalog-head .count { font-size: 13px; color: var(--gray-500); margin-top: 6px; }
.catalog-head .count b { color: var(--blue); }
.view-toggle { border: 1px solid var(--gray-200); border-radius: 8px; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; color: var(--gray-500); }
.view-toggle svg { width: 18px; height: 18px; }
.pager { display: flex; gap: 8px; justify-content: center; margin-top: 44px; }
.pager button {
  min-width: 38px; height: 38px; border-radius: 8px; border: 1px solid var(--gray-200);
  font-size: 13px; font-weight: 700; color: var(--gray-600); background: #fff; transition: all .2s;
}
.pager button.active { background: var(--blue); border-color: var(--blue); color: #fff; }
.pager button:hover:not(.active):not(:disabled) { border-color: var(--gray-400); }
.pager button:disabled { opacity: .4; cursor: default; }

/* ===== product detail ===== */
.pd-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 52px; align-items: start; }
@media (max-width: 900px) { .pd-grid { grid-template-columns: 1fr; } }
.pd-img { border-radius: 16px; overflow: hidden; border: 1px solid var(--gray-200); background: var(--gray-50); }
.pd-img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.pd-info h1 { font-size: clamp(23px, 3vw, 32px); font-weight: 700; letter-spacing: -.02em; line-height: 1.25; }
.pd-sub { color: var(--gray-500); font-size: 14.5px; margin: 10px 0 20px; }
.pd-sub b { color: var(--gray-900); }
.pd-tags { display: flex; gap: 10px; margin-bottom: 22px; flex-wrap: wrap; }
.pd-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 24px 0; }
.spec-cell { background: var(--gray-50); border: 1px solid var(--gray-100); border-radius: 10px; padding: 13px 15px; }
.spec-cell .k { font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; color: var(--gray-400); margin-bottom: 4px; }
.spec-cell .v { font-size: 13.5px; font-weight: 700; color: var(--gray-900); }
.pd-section { border-top: 1px solid var(--gray-100); padding: 20px 0; }
.pd-section h3 { font-size: 11.5px; font-weight: 800; text-transform: uppercase; letter-spacing: .14em; color: var(--gray-900); margin-bottom: 9px; }
.pd-section p { font-size: 13.5px; color: var(--gray-600); line-height: 1.75; }
.pd-regions { display: flex; gap: 8px; flex-wrap: wrap; }
.tag {
  font-size: 10px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
  padding: 5px 11px; border-radius: 6px; background: var(--gray-100); color: var(--gray-600);
}
.tag.blue { background: var(--blue-50); color: var(--blue); }
.pd-cta { display: flex; gap: 12px; margin-top: 24px; }

/* ===== contact ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 40px; align-items: start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-card { border: 1px solid var(--gray-100); border-radius: 14px; padding: 30px 28px; box-shadow: var(--shadow-lg); }
.contact-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 22px; }
.cc-row { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 20px; }
.cc-row:last-child { margin-bottom: 0; }
.cc-row .ic {
  width: 38px; height: 38px; border-radius: 10px; background: var(--blue-50);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 16px;
}
.cc-row h4 { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--gray-400); margin-bottom: 4px; }
.cc-row .v { font-size: 14.5px; font-weight: 700; color: var(--gray-900); line-height: 1.55; }
.cc-row .v a { color: inherit; }
.cc-row .note { font-size: 11.5px; color: var(--gray-500); font-weight: 500; margin-top: 2px; }
.form-card { border: 1px solid var(--gray-100); border-radius: 14px; padding: 36px; box-shadow: var(--shadow-lg); }
.form-card h2 { font-size: 21px; font-weight: 700; margin-bottom: 20px; }
.info-banner {
  display: flex; gap: 12px; align-items: flex-start; background: var(--blue-50);
  border-radius: 10px; padding: 15px 17px; margin-bottom: 24px;
}
.info-banner .ic { color: var(--blue); font-size: 16px; margin-top: 1px; }
.info-banner b { display: block; font-size: 12.5px; color: var(--blue-dark); }
.info-banner span { font-size: 12px; color: var(--gray-600); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
.form-field { display: flex; flex-direction: column; gap: 7px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 12.5px; font-weight: 600; color: var(--gray-700); }
.form-field input, .form-field select, .form-field textarea {
  padding: 12px 14px; border: 1px solid var(--gray-300); border-radius: 8px;
  outline: none; transition: border .2s; background: #fff; font-size: 13.5px;
}
.form-field input::placeholder, .form-field textarea::placeholder { color: var(--gray-400); }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--blue); }
.form-field textarea { min-height: 110px; resize: vertical; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } .form-card { padding: 26px; } }
.btn-send { background: var(--blue); color: #fff; border-radius: 8px; font-size: 14.5px; font-weight: 700; padding: 15px; width: 100%; margin-top: 24px; text-transform: none; letter-spacing: 0; transition: background .2s; }
.btn-send:hover { background: var(--blue-dark); }
.form-ok { display: none; text-align: center; padding: 30px 0 10px; }
.form-ok .tick { width: 56px; height: 56px; border-radius: 50%; background: #d1fae5; color: var(--green); font-size: 26px; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; }

/* ===== news ===== */
.news-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.news-card { border: 1px solid var(--gray-200); border-radius: 14px; overflow: hidden; transition: all .3s; }
.news-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.news-card .thumb { aspect-ratio: 16/9; overflow: hidden; background: var(--gray-100); }
.news-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-card .body { padding: 24px; }
.news-card .date { font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--blue); margin-bottom: 10px; }
.news-card h3 { font-size: 16.5px; font-weight: 700; line-height: 1.4; margin-bottom: 10px; }
.news-card p { font-size: 13px; color: var(--gray-500); line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* ===== footer ===== */
.site-footer { background: var(--navy-2); color: #8fa3c4; padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1.4fr 1.2fr; gap: 48px; padding-bottom: 52px; }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 {
  color: #fff; font-size: 12px; font-weight: 800; letter-spacing: .18em;
  text-transform: uppercase; margin-bottom: 22px;
}
.footer-grid ul { display: flex; flex-direction: column; gap: 13px; }
.footer-grid ul a { font-size: 13px; color: #8fa3c4; transition: color .2s; }
.footer-grid ul a:hover { color: #4f8dff; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; line-height: 1.6; }
.footer-contact .ic { flex-shrink: 0; margin-top: 1px; }
.footer-contact .ic.wa { color: var(--wa); }
.footer-contact .ic.wc { color: var(--wc); }
.wc-id { color: #4f8dff; font-weight: 600; }
.social-row { display: flex; gap: 18px; margin-top: 24px; }
.social-row a { color: #64748b; transition: color .2s; }
.social-row a:hover { color: #fff; }
.social-row svg { width: 17px; height: 17px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.07); padding: 24px 0; text-align: center; }
.footer-bottom p { font-size: 11px; font-weight: 700; letter-spacing: .12em; color: #64748b; }

/* ===== floating buttons / to top ===== */
.float-btns { position: fixed; right: 22px; bottom: 96px; display: flex; flex-direction: column; gap: 12px; z-index: 95; }
.float-btn {
  width: 46px; height: 46px; border-radius: 50%; color: #fff;
  display: flex; align-items: center; justify-content: center; position: relative;
  box-shadow: 0 8px 22px rgba(15,23,42,.25); transition: transform .2s;
}
.float-btn:hover { transform: scale(1.08); }
.float-btn svg { width: 24px; height: 24px; }
.float-btn.wechat { background: var(--wc); }
.float-btn.whatsapp { background: var(--wa); }
.float-pop {
  position: absolute; right: 56px; top: 50%; transform: translateY(-50%);
  background: var(--navy-2); color: #fff; font-size: 11.5px; font-weight: 600;
  padding: 8px 13px; border-radius: 8px; white-space: nowrap;
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
.float-btn:hover .float-pop { opacity: 1; }
.to-top {
  position: fixed; right: 26px; bottom: 30px; width: 46px; height: 46px;
  border-radius: 50%; background: var(--blue); color: #fff; font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 30px rgba(37,99,235,.35);
  opacity: 0; pointer-events: none; transition: all .3s; z-index: 94;
}
.to-top.show { opacity: 1; pointer-events: auto; }

/* ===== back to catalog link ===== */
.back-link { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--gray-500); display: inline-flex; gap: 6px; align-items: center; }
.back-link:hover { color: var(--blue); }

/* ===== product detail v2 (matches live) ===== */
.breadcrumb { font-size: 12.5px; color: var(--gray-400); margin-bottom: 22px; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.breadcrumb a { color: var(--gray-500); font-weight: 600; }
.breadcrumb a:hover { color: var(--blue); }
.pd-card {
  border: 1px solid var(--gray-200); border-radius: 16px; background: #fff;
  display: grid; grid-template-columns: 1fr 1fr; gap: 36px; padding: 32px;
}
@media (max-width: 800px) { .pd-card { grid-template-columns: 1fr; } }
.pd-media { border-radius: 12px; overflow: hidden; background: var(--gray-50); }
.pd-media img { width: 100%; height: auto; aspect-ratio: 4/3; object-fit: cover; }
.pd-chips { display: flex; gap: 10px; align-items: center; margin-bottom: 16px; }
.cert-badge {
  font-size: 9.5px; font-weight: 800; letter-spacing: .1em; color: var(--blue);
  background: var(--blue-50); padding: 5px 11px; border-radius: 999px;
}
.pd-info h1 { font-size: clamp(22px, 2.6vw, 30px); font-weight: 700; letter-spacing: -.02em; line-height: 1.25; margin-bottom: 20px; }
.pd-kv { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 11px 0; border-bottom: 1px solid var(--gray-100); }
.pd-kv .k { font-size: 12.5px; color: var(--gray-400); }
.pd-kv .v { font-size: 13.5px; font-weight: 700; color: var(--gray-900); text-align: right; }
.pd-kv .v.green { color: var(--green); }
.pd-kv .v.blue { color: var(--blue); }
.pd-btns { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }
.btn-wa { background: #16a34a; color: #fff; border-radius: 999px; }
.btn-wa:hover { background: #15803d; }
.pd-duo { display: grid; grid-template-columns: 1fr 1.15fr; gap: 22px; margin-top: 26px; }
@media (max-width: 800px) { .pd-duo { grid-template-columns: 1fr; } }
.pd-desc { background: var(--gray-50); border: 1px solid var(--gray-100); border-radius: 14px; padding: 26px 28px; }
.pd-desc-label { display: flex; align-items: center; gap: 8px; font-size: 11px; font-weight: 800; letter-spacing: .12em; color: var(--gray-500); margin-bottom: 14px; }
.pd-desc-label .ic { color: var(--blue); font-size: 14px; }
.pd-desc p { font-size: 13.5px; color: var(--gray-600); line-height: 1.75; }
.pd-logi { background: var(--navy-2); border-radius: 14px; padding: 26px 28px; color: #cbd5e1; }
.pd-logi h3 { color: #fff; font-size: 17px; font-weight: 700; margin-bottom: 12px; }
.pd-logi p { font-size: 12.5px; line-height: 1.75; color: #8fa3c4; }
.pd-tech { border: 1px solid var(--gray-200); border-radius: 16px; background: #fff; padding: 30px 32px; margin-top: 26px; }
.pd-tech h2 { font-size: 19px; font-weight: 700; margin-bottom: 20px; }
.pd-tech-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 700px) { .pd-tech-grid { grid-template-columns: 1fr; } }
.pd-tech .spec-cell { background: var(--gray-50); }
.spec-cell .v.plain { font-weight: 500; font-size: 12.5px; color: var(--gray-600); line-height: 1.65; }

/* ============================================================
   POLISH LAYER v3 — 微交互 / 动效 / 细节精修
   ============================================================ */

/* --- 全局细节 --- */
::selection { background: rgba(37, 99, 235, .18); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--gray-50); }
::-webkit-scrollbar-thumb { background: #c7cdd8; border-radius: 6px; border: 2px solid var(--gray-50); }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }
html { -webkit-tap-highlight-color: transparent; }
body { animation: pageIn .5s ease both; }
@keyframes pageIn { from { opacity: 0; } to { opacity: 1; } }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 4px; }
img { transition: filter .3s; }

/* --- 滚动渐显 --- */
.rv { opacity: 0; transform: translateY(26px); transition: opacity .8s cubic-bezier(.16,1,.3,1), transform .8s cubic-bezier(.16,1,.3,1); will-change: opacity, transform; }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; transition: none; } body { animation: none; } }

/* --- 图片渐显 --- */
.js-img { opacity: 0; transition: opacity .7s ease; }
.js-img.loaded { opacity: 1; }

/* --- header --- */
.site-header { transition: box-shadow .3s, background .3s; }
.site-header.scrolled { box-shadow: 0 6px 24px rgba(15, 23, 42, .07); }
.main-nav a { position: relative; }
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: -7px; width: 100%; height: 2px;
  background: var(--blue); border-radius: 2px;
  transform: scaleX(0); transform-origin: left; transition: transform .3s cubic-bezier(.16,1,.3,1);
}
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }
.lang-switch { transition: color .2s; border-radius: 8px; padding: 6px 10px; }
.lang-switch:hover { color: var(--blue); background: var(--blue-50); }
.hamburger { border-radius: 8px; transition: background .2s; }
.hamburger:hover { background: var(--gray-100); }
.mobile-nav { transform-origin: top; animation: menuIn .3s ease; }
@keyframes menuIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
.mobile-nav a:not(.btn) { border-bottom: 1px solid var(--gray-50); }

/* --- 按钮 --- */
.btn { position: relative; overflow: hidden; }
.btn:active { transform: scale(.97); }
.btn-primary::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, transparent 30%, rgba(255,255,255,.25) 50%, transparent 70%);
  transform: translateX(-120%); transition: transform .6s;
}
.btn-primary:hover::after { transform: translateX(120%); }
.btn-ghost { transition: border-color .25s, color .25s, box-shadow .25s, transform .2s; }
.btn-ghost:hover { box-shadow: 0 6px 18px rgba(37, 99, 235, .1); }

/* --- hero --- */
.hero-bg::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background-image: radial-gradient(rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 26px 26px;
}
.hero-inner > * { animation: heroUp .9s cubic-bezier(.16,1,.3,1) both; }
.hero-inner > *:nth-child(2) { animation-delay: .1s; }
.hero-inner > *:nth-child(3) { animation-delay: .2s; }
.hero-inner > *:nth-child(4) { animation-delay: .3s; }
.hero-inner > *:nth-child(5) { animation-delay: .4s; }
@keyframes heroUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: none; } }
.hero-badge { transition: border-color .25s, background .25s, transform .25s; }
.hero-badge:hover { border-color: #60a5fa; background: rgba(96,165,250,.15); transform: translateY(-2px); }
.page-hero-inner > * { animation: heroUp .8s cubic-bezier(.16,1,.3,1) both; }
.page-hero-inner > *:nth-child(2) { animation-delay: .1s; }
.page-hero-inner > *:nth-child(3) { animation-delay: .2s; }

/* --- 品牌卡 --- */
.brand-card { cursor: pointer; }
.brand-card img { transition: transform .3s; }
.brand-card:hover img { transform: scale(1.12); }

/* --- 分类卡 --- */
.cat-card .cat-label { transition: transform .35s cubic-bezier(.16,1,.3,1); }
.cat-card:hover .cat-label { transform: translateY(-4px); }
.cat-card::after { transition: opacity .35s; }
.cat-card:hover::after { opacity: .75; }

/* --- 商品卡 --- */
.prod-card { transition: transform .35s cubic-bezier(.16,1,.3,1), box-shadow .35s, border-color .35s; }
.prod-card:hover .prod-model { color: var(--gray-700); }
.prod-body h3 a { background-image: linear-gradient(var(--blue), var(--blue)); background-size: 0 1.5px; background-repeat: no-repeat; background-position: 0 100%; transition: background-size .35s; padding-bottom: 2px; }
.prod-card:hover .prod-body h3 a { background-size: 100% 1.5px; }
.btn-quote { position: relative; overflow: hidden; }
.btn-quote::after {
  content: ""; position: absolute; inset: 0; background: var(--blue);
  transform: translateY(100%); transition: transform .3s cubic-bezier(.16,1,.3,1); z-index: -1;
}
.btn-quote { z-index: 0; }
.btn-quote:hover { color: #fff; border-color: var(--blue); }
.btn-quote:hover::after { transform: translateY(0); }

/* --- 步骤连接线 --- */
.steps { position: relative; }
.steps:not(.steps-dark)::before {
  content: ""; position: absolute; top: 27px; left: 10%; right: 10%;
  border-top: 2px dashed #bfdbfe; z-index: 0;
}
.steps:not(.steps-dark) .step { position: relative; z-index: 1; }
.step .step-dot { transition: transform .3s, box-shadow .3s; }
.step:hover .step-dot { transform: scale(1.1); box-shadow: 0 12px 28px rgba(37,99,235,.4); }

/* --- 数字滚动 --- */
.stat .val { font-variant-numeric: tabular-nums; }

/* --- info blocks --- */
.info-block { transition: transform .3s, box-shadow .3s, border-color .3s; }
.info-block:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: #bfdbfe; }
.info-block h4 { transition: color .25s; }
.info-block:hover h4 { color: var(--blue); }

/* --- num rows --- */
.num-row { transition: padding-left .3s cubic-bezier(.16,1,.3,1); }
.num-row:hover { padding-left: 8px; }
.num-row .no { transition: letter-spacing .3s; }
.num-row:hover .no { letter-spacing: .18em; }

/* --- trio cards --- */
.trio-icon { transition: transform .3s; }
.trio-card:hover .trio-icon { transform: scale(1.08) rotate(-4deg); }

/* --- matrix --- */
.matrix-grid a { transition: border-color .2s, color .2s, box-shadow .25s, transform .2s; }
.matrix-grid a:hover { transform: translateY(-2px); }

/* --- 表单 --- */
.form-field input, .form-field select, .form-field textarea { transition: border-color .2s, box-shadow .2s; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { box-shadow: 0 0 0 3px rgba(37, 99, 235, .12); }
.btn-send { transition: background .2s, transform .15s, box-shadow .25s; }
.btn-send:hover { box-shadow: 0 10px 26px rgba(37,99,235,.3); }
.btn-send:active { transform: scale(.99); }

/* --- 侧栏 --- */
.side-item .chev { transition: transform .2s; }
.side-item:hover .chev { transform: translateX(3px); }
.side-item.active .chev { transform: rotate(90deg); }
.side-search input { transition: border-color .2s, background .2s, box-shadow .2s; }
.side-search input:focus { box-shadow: 0 0 0 3px rgba(37,99,235,.1); }

/* --- pager --- */
.pager button { transition: all .2s; }
.pager button:hover:not(.active):not(:disabled) { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

/* --- footer --- */
.footer-grid ul a { position: relative; width: fit-content; }
.footer-grid ul a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; width: 100%; height: 1px;
  background: #4f8dff; transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.footer-grid ul a:hover::after { transform: scaleX(1); }
.social-row a { transition: color .25s, transform .25s; display: inline-flex; }
.social-row a:hover { transform: translateY(-3px); }

/* --- 浮动按钮 --- */
.float-btn.wechat::before, .float-btn.whatsapp::before {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  border: 2px solid currentColor; opacity: .5;
  animation: pulse 2.4s ease-out infinite;
}
.float-btn.whatsapp::before { animation-delay: 1.2s; }
@keyframes pulse {
  0% { transform: scale(1); opacity: .45; }
  70% { transform: scale(1.55); opacity: 0; }
  100% { transform: scale(1.55); opacity: 0; }
}
.float-pop { font-family: ui-monospace, Consolas, monospace; }
.to-top { transition: opacity .3s, transform .3s, background .2s; }
.to-top:hover { background: var(--blue-dark); transform: translateY(-3px); }

/* --- vision / cta bands --- */
.vision-band, .stats-band { position: relative; overflow: hidden; }
.vision-band::before, .stats-band::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.09) 1px, transparent 1px);
  background-size: 24px 24px; pointer-events: none;
}
.vision-band > *, .stats-band > * { position: relative; z-index: 1; }

/* --- catalog 卡片阴影层次 --- */
.prod-card::after {
  content: ""; position: absolute; inset: 0; border-radius: 14px;
  box-shadow: inset 0 0 0 1px rgba(37,99,235,0); transition: box-shadow .3s; pointer-events: none;
}
.prod-card:hover::after { box-shadow: inset 0 0 0 1px rgba(37,99,235,.25); }
.prod-card { position: relative; }

/* --- 详情页 --- */
.pd-card, .pd-tech, .pd-desc, .pd-logi { animation: heroUp .7s cubic-bezier(.16,1,.3,1) both; }
.pd-duo { animation-delay: .12s; }
.pd-tech { animation-delay: .2s; }
.pd-logi { background: linear-gradient(135deg, var(--navy-2), #1d3a6e); }

/* --- news --- */
.news-card { transition: transform .35s cubic-bezier(.16,1,.3,1), box-shadow .35s; }
.news-card .thumb img { transition: transform .5s; }
.news-card:hover .thumb img { transform: scale(1.05); }

/* ---------- pagination ---------- */
.pager { margin-top: 44px; }
.pager ul.page-numbers {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.pager ul.page-numbers li { display: inline-flex; }
.pager ul.page-numbers a.page-numbers,
.pager ul.page-numbers span.page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 13px;
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  background: #fff;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}
.pager ul.page-numbers a.page-numbers:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-50);
}
.pager ul.page-numbers span.page-numbers.current {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
  font-weight: 600;
}
.pager ul.page-numbers span.page-numbers.dots {
  border-color: transparent;
  background: none;
  color: var(--gray-400);
}