/* ================================================================
   前哨减振技术 — Precision Vibration Isolation
   Aesthetic: Technical Blueprint / Industrial Precision
   ================================================================ */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,500;0,9..40,700;1,9..40,400&family=IBM+Plex+Mono:wght@400;600&display=swap');

:root {
  --primary: #0a1628;
  --primary-mid: #132744;
  --primary-light: #1b3a5c;
  --secondary: #2a7de1;
  --accent: #d4a843;
  --accent-dim: rgba(212,168,67,.12);
  --bg: #f0f2f5;
  --bg-warm: #f7f6f3;
  --text: #1a2332;
  --text-mid: #4a5568;
  --text-light: #718096;
  --border: #dfe4ea;
  --border-light: #edf0f4;
  --white: #ffffff;
  --radius: 4px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 3px rgba(10,22,40,.06);
  --shadow: 0 4px 16px rgba(10,22,40,.08);
  --shadow-hover: 0 12px 40px rgba(10,22,40,.14);
  --nav-h: 64px;
  --mono: 'IBM Plex Mono', 'Menlo', monospace;
  --sans: 'DM Sans', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
ul,ol { list-style: none; }
body {
  font-family: var(--sans);
  color: var(--text);
  background: var(--white);
  font-size: 14px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { text-decoration: none; color: inherit; transition: color .2s ease; }
img { max-width: 100%; display: block; }

/* ========== NAV ========== */
.site-header {
  background: var(--primary);
  position: sticky; top: 0; z-index: 1000;
  border-bottom: 1px solid rgba(212,168,67,.15);
}
.nav-inner {
  max-width: 1400px; margin: 0 auto; padding: 0 40px;
  display: flex; align-items: center; height: var(--nav-h); gap: 32px;
}
.nav-logo img { height: 36px; filter: brightness(0) invert(1); }
.nav-logo span { color: #fff !important; font-family: var(--sans); letter-spacing: .5px; }
.nav-links { display: flex; gap: 0; flex: 1; }
.nav-links > a, .nav-item > a {
  padding: 8px 16px; font-size: 13.5px; font-weight: 500;
  color: rgba(255,255,255,.7); letter-spacing: .3px;
  transition: color .2s, background .2s; border-radius: var(--radius);
}
.nav-links > a:hover, .nav-links > a.active,
.nav-item > a:hover, .nav-item > a.active {
  color: #fff; background: rgba(255,255,255,.08);
}
.nav-right { display: flex; align-items: center; gap: 20px; }
.nav-search {
  display: flex; border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius); overflow: hidden;
  background: rgba(255,255,255,.05); transition: border-color .2s;
}
.nav-search:focus-within { border-color: var(--accent); }
.nav-search input {
  border: none; outline: none; padding: 6px 14px; font-size: 12px;
  width: 140px; background: transparent; color: #fff; font-family: var(--sans);
}
.nav-search input::placeholder { color: rgba(255,255,255,.35); }
.nav-search button {
  background: var(--accent); border: none; color: var(--primary);
  padding: 6px 14px; cursor: pointer; font-size: 12px; font-weight: 600;
  font-family: var(--sans); transition: background .2s;
}
.nav-search button:hover { background: #c49a3a; }
.nav-phone {
  font-size: 13px; font-weight: 600; color: var(--accent);
  white-space: nowrap; letter-spacing: .8px; font-family: var(--mono);
}
.nav-contact-icons { display: flex; align-items: center; gap: 12px; }
.nav-contact-item {
  display: flex; align-items: center; gap: 6px;
  background: none; border: none; cursor: pointer;
  color: var(--accent); font-size: 13px; font-family: var(--mono);
  font-weight: 600; letter-spacing: .5px; padding: 4px 8px;
  border-radius: var(--radius); transition: background .2s;
}
.nav-contact-item:hover { background: rgba(255,255,255,.08); }
.nav-contact-item svg { flex-shrink: 0; opacity: .8; }

/* MOBILE NAV */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { width: 20px; height: 2px; background: rgba(255,255,255,.8); border-radius: 1px; transition: .3s; }
.mobile-menu { display: none; background: var(--primary); padding: 8px 40px 20px; }
.mobile-menu a {
  display: block; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.06);
  font-size: 14px; color: rgba(255,255,255,.7); letter-spacing: .3px;
}
.mobile-menu a:hover { color: var(--accent); }
.mobile-menu.open { display: block; }

/* MEGA DROPDOWN */
.nav-item { position: relative; display: flex; align-items: center; }
.nav-item:hover .mega-menu { display: flex; }
.mega-menu {
  display: none; position: absolute; top: 100%; left: -80px;
  background: var(--white); border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  box-shadow: 0 20px 60px rgba(10,22,40,.18); min-width: 700px;
  padding: 28px 32px; gap: 24px; flex-wrap: wrap; z-index: 2000;
  border-top: 2px solid var(--accent);
}
.mega-col { min-width: 130px; max-width: 180px; }
.mega-col h4 {
  font-size: 12px; font-weight: 700; color: var(--primary);
  margin-bottom: 10px; padding-bottom: 8px;
  border-bottom: 1px solid var(--border); text-transform: uppercase; letter-spacing: .5px;
}
.mega-col h4 a:hover { color: var(--secondary); }
.mega-col a {
  display: block; font-size: 12px; color: var(--text-light);
  padding: 3px 0; transition: color .15s, padding-left .15s;
}
.mega-col a:hover { color: var(--secondary); padding-left: 6px; }

/* ========== FOOTER ========== */
.site-footer { background: var(--primary); color: rgba(255,255,255,.75); border-top: 1px solid rgba(212,168,67,.1); }
.footer-inner {
  max-width: 1400px; margin: 0 auto; padding: 56px 40px 36px;
  display: grid; grid-template-columns: 2fr 1fr 1fr 2fr; gap: 48px;
}
.footer-col h4 {
  color: var(--accent); font-size: 12px; font-weight: 700;
  margin-bottom: 20px; padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  text-transform: uppercase; letter-spacing: 1.5px; font-family: var(--sans);
}
.footer-col p, .footer-col li { font-size: 13px; line-height: 2.2; }
.footer-col a { transition: color .2s; }
.footer-col a:hover { color: var(--accent); }
.footer-form input, .footer-form textarea {
  width: 100%; background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius);
  padding: 8px 12px; color: #fff; font-size: 13px; margin-bottom: 8px;
  outline: none; transition: border-color .2s; font-family: var(--sans);
}
.footer-form input:focus, .footer-form textarea:focus { border-color: var(--accent); }
.footer-form textarea { height: 68px; resize: none; }
.footer-form button {
  background: var(--accent); color: var(--primary); border: none;
  padding: 8px 24px; border-radius: var(--radius); cursor: pointer;
  font-size: 12px; font-weight: 700; letter-spacing: .5px;
  text-transform: uppercase; transition: all .2s; font-family: var(--sans);
}
.footer-form button:hover { background: #c49a3a; }
.footer-copy {
  border-top: 1px solid rgba(255,255,255,.06); text-align: center;
  padding: 18px 40px; font-size: 11px; color: rgba(255,255,255,.3);
  letter-spacing: .3px;
}
.footer-copy a { color: rgba(255,255,255,.3); }
.footer-copy a:hover { color: var(--accent); }

/* ========== FLASH ========== */
.flash-msg {
  background: #d4edda; color: #155724; padding: 12px 24px;
  border-radius: var(--radius); margin: 16px auto; max-width: 1400px;
  font-size: 13px; border-left: 3px solid #28a745;
}

/* ========== HERO BANNER (旧站风格) ========== */
.hero-wrap { background: var(--bg); }
.hero-inner { width: 100%; position: relative; height: 600px; }
.hero-swiper { width: 100%; height: 600px; position: relative; z-index: 1; }
.hero-swiper .swiper-slide img { width: 100%; height: 100%; object-fit: cover; }
.swiper-pagination-bullet { background: rgba(255,255,255,.5) !important; }
.swiper-pagination-bullet-active { background: var(--accent) !important; }
.banner-placeholder {
  width: 100%; height: 524px;
  background: linear-gradient(160deg, var(--primary) 0%, var(--primary-mid) 40%, var(--primary-light) 100%);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 28px; font-weight: 700; letter-spacing: 6px;
  font-family: var(--sans);
}

/* Hero Category Nav Overlay */
.hero-cat-nav {
  position: absolute; left: 0; top: 0; z-index: 5;
  width: 220px; height: 100%;
  background: rgba(10,22,40,.75);
  backdrop-filter: blur(6px);
}
.hero-cat-list { padding: 0; margin: 0; height: 100%; overflow-y: auto; }
.hero-cat-list dd { position: relative; }
.hero-cat-list dd > a {
  display: block; padding: 0 16px; line-height: 47px;
  color: rgba(255,255,255,.9); font-size: 14px; font-weight: 500;
  letter-spacing: .5px; white-space: nowrap; overflow: hidden;
  text-overflow: ellipsis; transition: background .15s;
}
.hero-cat-list dd > a:hover { background: var(--secondary); color: #fff; }
.hero-cat-arrow {
  float: right; font-style: normal; font-size: 18px;
  color: rgba(255,255,255,.4); line-height: 47px;
}
.hero-cat-list dd > a:hover .hero-cat-arrow { color: #fff; }

/* Subcategory flyout */
.hero-cat-sub {
  display: none; position: absolute; left: 220px; top: 0;
  min-width: 400px; min-height: 100%; background: var(--white);
  box-shadow: 8px 0 24px rgba(10,22,40,.1);
  padding: 20px 24px; z-index: 10;
  column-count: 2; column-gap: 16px;
}
.hero-cat-list dd:hover .hero-cat-sub { display: block; }
.hero-cat-sub a {
  display: block; padding: 6px 0; font-size: 13px;
  color: var(--text-mid); transition: color .15s;
  break-inside: avoid;
}
.hero-cat-sub a:hover { color: var(--secondary); }

/* ========== SECTION ========== */
.section { max-width: 1400px; margin: 0 auto; padding: 72px 40px; }
.section-title {
  font-size: 24px; font-weight: 700; color: var(--primary);
  margin-bottom: 48px; text-align: center; letter-spacing: 1px;
}
.section-title::after {
  content: ''; display: block; width: 32px; height: 2px;
  background: var(--accent); margin: 14px auto 0;
}

/* ========== STATS BAR ========== */
.stats-bar {
  background: #1e3a5f;
  color: #fff; padding: 28px 0;
}
.stats-inner {
  max-width: 1400px; margin: 0 auto; padding: 0 40px;
  display: flex; justify-content: space-around;
}
.stat-item { text-align: center; position: relative; padding: 0 32px; }
.stat-item + .stat-item::before {
  content: ''; position: absolute; left: 0; top: 10%; height: 80%;
  width: 1px; background: rgba(255,255,255,.1);
}
.stat-num {
  font-size: 32px; font-weight: 700; color: var(--accent);
  display: block; line-height: 1.1; font-family: var(--mono);
}
.stat-unit { font-size: 11px; color: rgba(255,255,255,.5); margin-left: 2px; font-family: var(--mono); }
.stat-label {
  display: block; font-size: 11px; color: rgba(255,255,255,.45);
  margin-top: 6px; letter-spacing: .5px;
}

/* ========== HOME CATEGORY GRID ========== */
.home-cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.home-cat-card {
  border-radius: var(--radius-lg); overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease;
  display: flex; flex-direction: column;
  background: var(--white); box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}
.home-cat-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: transparent; }
.home-cat-img {
  height: 200px; overflow: hidden; background: var(--bg);
  position: relative;
}
.home-cat-img::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 80px; background: linear-gradient(transparent, rgba(10,22,40,.5));
}
.home-cat-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.home-cat-card:hover .home-cat-img img { transform: scale(1.06); }
.home-cat-body { padding: 20px; }
.home-cat-body h3 { font-size: 15px; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.home-cat-body p { font-size: 12.5px; color: var(--text-light); line-height: 1.7; }

/* ========== BUTTONS ========== */
.btn-more {
  color: var(--secondary); font-size: 13px;
  border: 1px solid var(--secondary); padding: 9px 24px;
  border-radius: var(--radius); transition: all .2s; font-weight: 500;
  letter-spacing: .3px;
}
.btn-more:hover { background: var(--secondary); color: #fff; }
.btn-primary {
  background: var(--accent); color: var(--primary);
  font-size: 13px; padding: 9px 28px; border-radius: var(--radius);
  transition: all .2s; font-weight: 700; letter-spacing: .3px;
}
.btn-primary:hover { background: #c49a3a; }

/* ========== HOME ABOUT ========== */
.home-about { background: var(--bg-warm); padding: 72px 0; }
.home-about-inner {
  max-width: 1400px; margin: 0 auto; padding: 0 40px;
  display: grid; grid-template-columns: 1.6fr 1fr; gap: 64px; align-items: start;
}
.home-about-text h2 {
  font-size: 24px; color: var(--primary); margin-bottom: 20px; font-weight: 700;
}
.home-about-text h2::after {
  content: ''; display: block; width: 32px; height: 2px;
  background: var(--accent); margin-top: 14px;
}
.home-about-text p { font-size: 14px; line-height: 2; color: var(--text-mid); margin-top: 16px; }
.home-about-contact {
  background: var(--white); border-radius: var(--radius-lg); padding: 32px;
  box-shadow: var(--shadow); border-left: 3px solid var(--accent);
}
.home-about-contact h3 { font-size: 16px; color: var(--primary); margin-bottom: 20px; font-weight: 700; }
.home-about-contact p { font-size: 13px; line-height: 2.2; color: var(--text-mid); }

/* ========== PRODUCT SECTIONS (products page) ========== */
.cp-section { margin-bottom: 40px; }
.cp-top {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px; border-bottom: 1px solid var(--border); padding-bottom: 12px;
}
.cp-top h3 {
  font-size: 16px; font-weight: 700; color: var(--primary);
  position: relative; padding-left: 14px;
}
.cp-top h3::before {
  content: ''; position: absolute; left: 0; top: 2px; bottom: 2px;
  width: 3px; background: var(--accent); border-radius: 1px;
}
.cp-top h3 a:hover { color: var(--secondary); }
.cp-more { font-size: 12px; color: var(--secondary); font-weight: 500; letter-spacing: .3px; }
.cp-more:hover { text-decoration: underline; }
.cp-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.cp-item {
  border-radius: var(--radius-lg); overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease;
  text-align: center; background: var(--white);
  box-shadow: var(--shadow-sm); border: 1px solid var(--border-light);
}
.cp-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); border-color: transparent; }
.cp-img {
  height: 170px; background: var(--bg);
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.cp-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.cp-item:hover .cp-img img { transform: scale(1.05); }
.cp-item p { font-size: 12.5px; padding: 12px 10px; line-height: 1.4; color: var(--text); font-weight: 500; }

/* ========== PRODUCT GRID ========== */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.product-card {
  border-radius: var(--radius-lg); overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease;
  background: var(--white); box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}
.product-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); border-color: transparent; }
.product-card .card-img {
  height: 200px; overflow: hidden; background: var(--bg);
  display: flex; align-items: center; justify-content: center;
}
.product-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.product-card:hover .card-img img { transform: scale(1.04); }
.product-card .card-body { padding: 14px 16px; }
.product-card .card-body h4 {
  font-size: 13px; font-weight: 600; margin-bottom: 6px;
  line-height: 1.5; color: var(--primary);
}
.product-card .card-body span { font-size: 11px; color: var(--secondary); font-weight: 500; }

/* ========== CATEGORY GRID ========== */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.cat-card {
  background: var(--bg); border-radius: var(--radius-lg); padding: 28px 20px;
  text-align: center; transition: all .3s ease; cursor: pointer;
  border: 1px solid transparent;
}
.cat-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); background: var(--white); border-color: var(--border-light); }
.cat-card h3 { font-size: 15px; color: var(--primary); margin-top: 12px; font-weight: 600; }

/* ========== PRODUCTS PAGE ========== */
.products-layout { display: flex; gap: 28px; max-width: 1400px; margin: 0 auto; padding: 32px 40px; }
.sidebar { width: 230px; flex-shrink: 0; }
.sidebar h3 {
  font-size: 13px; font-weight: 700; color: #fff; padding: 12px 16px;
  background: var(--primary); border-radius: var(--radius) var(--radius) 0 0;
  letter-spacing: .5px;
}
.sidebar ul {
  border: 1px solid var(--border); border-top: none;
  border-radius: 0 0 var(--radius) var(--radius); background: var(--white);
}
.sidebar ul li a {
  display: block; padding: 10px 16px; font-size: 12.5px;
  border-bottom: 1px solid var(--border-light); transition: all .15s;
}
.sidebar ul li a:hover, .sidebar ul li a.active {
  background: var(--accent-dim); color: var(--primary); padding-left: 20px;
}
.sidebar ul li:last-child a { border-bottom: none; }
.sidebar .sub-list { padding-left: 12px; background: var(--bg); }
.sidebar .sub-list a { font-size: 12px; color: var(--text-light); }
.products-main { flex: 1; min-width: 0; }
.products-main h2 { font-size: 18px; color: var(--primary); margin-bottom: 24px; font-weight: 700; }

/* ========== ABOUT ========== */
.about-content { max-width: 860px; margin: 0 auto; line-height: 2; font-size: 14.5px; }
.about-content h2 { font-size: 20px; color: var(--primary); margin-bottom: 20px; }
.about-info { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 32px; }
.about-info-item {
  background: var(--bg); padding: 22px; border-radius: var(--radius-lg);
  border-left: 3px solid var(--accent);
}
.about-info-item label { font-size: 11px; color: var(--text-light); display: block; margin-bottom: 4px; text-transform: uppercase; letter-spacing: .5px; }
.about-info-item span { font-size: 15px; font-weight: 700; color: var(--primary); }

/* ========== CASES ========== */
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.case-card {
  border-radius: var(--radius-lg); overflow: hidden;
  transition: all .3s ease; background: var(--white);
  box-shadow: var(--shadow-sm); border: 1px solid var(--border-light);
}
.case-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); border-color: transparent; }
.case-card .case-img { height: 190px; background: var(--bg); overflow: hidden; }
.case-card .case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.case-card:hover .case-img img { transform: scale(1.04); }
.case-card .case-body { padding: 18px; }
.case-card .case-body h3 { font-size: 14px; font-weight: 600; margin-bottom: 8px; color: var(--primary); }
.case-card .case-body p { font-size: 12.5px; color: var(--text-light); line-height: 1.7; }

/* ========== PARTNERS ========== */
.partners-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.partner-item {
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 20px; display: flex; align-items: center; justify-content: center;
  height: 96px; transition: all .3s ease; background: var(--white);
}
.partner-item:hover { box-shadow: var(--shadow); transform: translateY(-2px); border-color: var(--accent); }
.partner-item img { max-height: 56px; object-fit: contain; filter: grayscale(.3); transition: filter .3s; }
.partner-item:hover img { filter: grayscale(0); }

/* ========== CONTACT ========== */
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; max-width: 960px; margin: 0 auto; }
.contact-info h2 { font-size: 18px; color: var(--primary); margin-bottom: 24px; }
.contact-info li { display: flex; gap: 12px; margin-bottom: 14px; font-size: 13.5px; line-height: 1.7; }
.contact-info li strong { color: var(--primary); min-width: 48px; }
.contact-form h2 { font-size: 18px; color: var(--primary); margin-bottom: 24px; }
.contact-form input, .contact-form textarea {
  width: 100%; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px 14px; font-size: 13px; margin-bottom: 10px;
  outline: none; transition: border-color .2s, box-shadow .2s; font-family: var(--sans);
}
.contact-form input:focus, .contact-form textarea:focus {
  border-color: var(--secondary); box-shadow: 0 0 0 3px rgba(42,125,225,.08);
}
.contact-form textarea { height: 110px; resize: none; }
.contact-form button {
  background: var(--primary); color: #fff; border: none;
  padding: 10px 32px; border-radius: var(--radius); cursor: pointer;
  font-size: 13px; font-weight: 600; transition: background .2s; font-family: var(--sans);
}
.contact-form button:hover { background: var(--primary-light); }

/* ========== PRODUCT DETAIL ========== */
.detail-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
  max-width: 1200px; margin: 0 auto; padding: 40px 40px;
}
.detail-img img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.detail-info h1 { font-size: 22px; color: var(--primary); margin-bottom: 16px; font-weight: 700; }
.detail-info .detail-desc { font-size: 13.5px; line-height: 2; color: var(--text-mid); }
.detail-html { max-width: 1200px; margin: 0 auto; padding: 0 40px 48px; line-height: 2; font-size: 14px; }
.detail-html img { border-radius: var(--radius); margin: 12px 0; }

/* ========== BREADCRUMB ========== */
.breadcrumb {
  max-width: 1400px; margin: 0 auto; padding: 14px 40px;
  font-size: 12px; color: var(--text-light); letter-spacing: .2px;
}
.breadcrumb a { color: var(--text-light); }
.breadcrumb a:hover { color: var(--secondary); }
.breadcrumb span { margin: 0 6px; opacity: .5; }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .cp-grid { grid-template-columns: repeat(3, 1fr); }
  .home-cat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  :root { --nav-h: 56px; }
  .nav-links, .nav-search, .nav-phone { display: none; }
  .hamburger { display: flex; margin-left: auto; }
  .nav-inner { padding: 0 20px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .cp-grid { grid-template-columns: repeat(2, 1fr); }
  .home-cat-grid { grid-template-columns: 1fr; }
  .home-about-inner { grid-template-columns: 1fr; gap: 24px; }
  .stats-inner { flex-wrap: wrap; gap: 20px; justify-content: center; }
  .stat-item + .stat-item::before { display: none; }
  .cases-grid { grid-template-columns: 1fr; }
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-layout { grid-template-columns: 1fr; }
  .detail-layout { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; padding: 40px 20px 24px; }
  .products-layout { flex-direction: column; padding: 24px 20px; }
  .sidebar { width: 100%; }
  .about-info { grid-template-columns: 1fr; }
  .hero-inner, .hero-swiper, .banner-placeholder { height: 280px; }
  .hero-cat-nav { display: none; }
  .section { padding: 40px 20px; }
  .section-title { font-size: 20px; margin-bottom: 32px; }
}
@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-num { font-size: 28px; }
  .cp-grid { grid-template-columns: 1fr; }
}