/* ============================================================
   STRIPMED — Shared Stylesheet
   Inspired by diatrust.cn: clean white, professional steel-blue,
   card-based layout, minimal decoration
   ============================================================ */

/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: #2C3E50;
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── TOKENS ──
   单一强调色：钢蓝（Steel Blue）。中性色：Slate 灰阶。
   不再使用第二、第三强调色（青绿/琥珀已并入钢蓝）。 */
:root {
  /* ── 品牌三色（取自商标与产品包装）──
     蓝 = 主色/企业色（斯瑞医用 · 酒精线）
     红 = STRICT® 标识色 / 碘伏线 / 关键强调（点睛，不铺面）
     绿 = 生理盐水线 / 安全·合规语义 */
  --blue:       #1A6BA3;   /* 主色 */
  --blue-dark:  #0D4E7A;
  --blue-light: #EBF4FB;
  --blue-mid:   #3A85BE;
  --red:        #C8102E;   /* STRICT® 品牌红 */
  --red-dark:   #A50C25;
  --red-light:  #FCEDEF;
  --green:      #2E8B3D;   /* 盐水线 / 医疗绿 */
  --green-dark: #226B2E;
  --green-light:#EAF6EC;
  --accent:     #1A6BA3;
  /* 兼容旧引用 */
  --teal:       #2E8B3D;   /* 旧 teal -> 医疗绿 */
  --amber:      #1A6BA3;
  --amber-dark: #0D4E7A;
  --navy:       #0D2B45;
  --white:      #FFFFFF;
  --gray-50:    #F8FAFC;
  --gray-100:   #F1F5F9;
  --gray-200:   #E2E8F0;
  --gray-300:   #CBD5E1;
  --gray-500:   #64748B;
  --gray-700:   #334155;
  --text:       #1E293B;
  --shadow-sm:  0 1px 3px rgba(13,43,69,.06), 0 1px 2px rgba(13,43,69,.05);
  --shadow-md:  0 6px 20px rgba(13,43,69,.08);
  --shadow-lg:  0 12px 36px rgba(13,43,69,.10);
  --radius:     10px;
  --radius-lg:  14px;
}

/* ── CONTAINER ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 900px; margin: 0 auto; padding: 0 24px; }

/* ── TYPOGRAPHY ── */
h1 { font-size: clamp(28px, 4vw, 46px); font-weight: 800; line-height: 1.15; letter-spacing: -0.5px; }
h2 { font-size: clamp(22px, 3vw, 34px); font-weight: 700; line-height: 1.25; letter-spacing: -0.3px; }
h3 { font-size: clamp(18px, 2.5vw, 22px); font-weight: 700; line-height: 1.3; }
h4 { font-size: 16px; font-weight: 600; line-height: 1.4; }
p  { font-size: 15px; color: var(--gray-500); line-height: 1.75; }
.eyebrow {
  font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--blue); margin-bottom: 8px;
  display: block;
}
.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 { color: var(--navy); margin-bottom: 12px; }
.section-header p { max-width: 580px; margin: 0 auto; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 12px 24px; border-radius: 8px;
  font-size: 14px; font-weight: 600; cursor: pointer;
  border: none; transition: all .2s; white-space: nowrap;
  min-height: 44px;
}
.btn-primary { background: var(--amber); color: #fff; }
.btn-primary:hover { background: var(--amber-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: var(--blue-dark); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--blue); border: 1.5px solid var(--blue); }
.btn-outline:hover { background: var(--blue-light); }
.btn-outline-white { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.5); }
.btn-outline-white:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn-white { background: #fff; color: var(--amber); }
.btn-white:hover { background: var(--gray-100); }
.btn-wa { background: #25D366; color: #fff; }
.btn-wa:hover { filter: brightness(1.08); }
.btn-lg { padding: 14px 32px; font-size: 15px; }
.btn-sm { padding: 8px 16px; font-size: 13px; }

/* ── BADGES ── */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px; border-radius: 6px; font-size: 11px; font-weight: 700; }
.badge-ce  { background: #EBF4FB; color: var(--blue); }
.badge-iso { background: var(--gray-100); color: var(--gray-700); }
.badge-gmp { background: var(--gray-100); color: var(--gray-700); }
.badge-oem { background: #EBF4FB; color: var(--blue); }

/* ── SECTIONS ── */
.section { padding: 72px 0; }
.section-alt { background: var(--gray-50); }
.section-navy { background: var(--navy); }

/* ── CARDS ── */
.card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow .25s, transform .25s, border-color .25s;
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--blue);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  position: sticky; top: 0; z-index: 1000;
  box-shadow: 0 1px 8px rgba(0,0,0,.06);
}
.nav-inner {
  display: flex; align-items: center;
  height: 64px; gap: 0;
}
/* Logo */
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0; margin-right: 32px;
}
.nav-logo-mark {
  width: 34px; height: 34px;
  background: var(--blue);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
}
.nav-logo-mark svg { width: 20px; height: 20px; fill: #fff; }
.nav-logo-text {
  font-size: 19px; font-weight: 800;
  color: var(--navy); letter-spacing: -0.5px;
}
.nav-logo-text span { color: var(--amber); }
/* 真实注册商标 */
.nav-logo-img { height: 30px; width: auto; display: block; }
/* STRICT® 品牌红字 */
.strict { color: var(--red); font-weight: 700; }
/* 产品线分类色 */
.line-blue  { color: var(--blue); }
.line-red   { color: var(--red); }
.line-green { color: var(--green); }
.bar-blue  { border-top: 3px solid var(--blue); }
.bar-red   { border-top: 3px solid var(--red); }
.bar-green { border-top: 3px solid var(--green); }
/* Links */
.nav-links {
  display: flex; align-items: center; gap: 2px;
  flex: 1;
}
.nav-links a {
  font-size: 14px; font-weight: 500; color: var(--gray-700);
  padding: 8px 14px; border-radius: 6px; transition: .18s;
}
.nav-links a:hover, .nav-links a.active { color: var(--blue); background: var(--blue-light); }
/* Right */
.nav-right { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.nav-lang { font-size: 13px; color: var(--gray-500); cursor: pointer; padding: 5px 10px; border: 1px solid var(--gray-300); border-radius: 5px; transition: .2s; }
.nav-lang:hover { border-color: var(--blue); color: var(--blue); }
/* Language dropdown */
.lang-select { position: relative; }
.lang-trigger {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 13px; font-weight: 500; color: var(--gray-700);
  cursor: pointer; padding: 6px 10px;
  border: 1px solid var(--gray-300); border-radius: 6px;
  background: #fff; transition: .2s; min-height: 36px;
}
.lang-trigger:hover { border-color: var(--blue); color: var(--blue); }
.lang-trigger svg { width: 15px; height: 15px; fill: currentColor; }
.lang-trigger .caret { width: 9px; height: 9px; transition: transform .2s; }
.lang-select.open .lang-trigger .caret { transform: rotate(180deg); }
.lang-menu {
  position: absolute; top: calc(100% + 6px); right: 0;
  background: #fff; border: 1px solid var(--gray-200);
  border-radius: 10px; box-shadow: var(--shadow-md);
  min-width: 150px; padding: 6px; z-index: 1100;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .18s, transform .18s, visibility .18s;
}
.lang-select.open .lang-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-menu a {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 12px; font-size: 13px; color: var(--gray-700);
  border-radius: 7px; transition: .15s; cursor: pointer;
}
.lang-menu a:hover { background: var(--blue-light); color: var(--blue); }
.lang-menu a.active { background: var(--blue-light); color: var(--blue); font-weight: 600; }
.lang-menu a .flag { font-size: 15px; }
.nav-cta { background: var(--amber); color: #fff; font-size: 13px; font-weight: 600; padding: 9px 18px; border-radius: 7px; white-space: nowrap; transition: .2s; }
.nav-cta:hover { background: var(--amber-dark); }
/* Hamburger */
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; margin-left: auto; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--navy); border-radius: 2px; transition: .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
/* Mobile drawer */
.nav-drawer {
  display: none;
  position: fixed; top: 64px; left: 0; right: 0; bottom: 0;
  background: #fff; z-index: 999;
  padding: 24px;
  overflow-y: auto;
  border-top: 1px solid var(--gray-200);
  flex-direction: column; gap: 4px;
}
.nav-drawer.open { display: flex; }
.nav-drawer a {
  font-size: 16px; font-weight: 500; color: var(--navy);
  padding: 14px 16px; border-radius: 8px; border-bottom: 1px solid var(--gray-100);
}
.nav-drawer a:hover { background: var(--blue-light); color: var(--blue); }
.nav-drawer .drawer-cta {
  margin-top: 16px; background: var(--amber); color: #fff;
  text-align: center; border-radius: 8px; font-weight: 600;
  border-bottom: none; font-size: 15px;
}
.drawer-lang { margin-top: 18px; border-top: 1px solid var(--gray-200); padding-top: 16px; }
.drawer-lang-title { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--gray-500); margin-bottom: 10px; }
.drawer-lang-row { display: flex; gap: 8px; flex-wrap: wrap; }
.drawer-lang-row a {
  flex: 0 0 auto; padding: 8px 14px; font-size: 14px; font-weight: 500;
  border: 1px solid var(--gray-300); border-radius: 20px; color: var(--gray-700);
  background: #fff; border-bottom: 1px solid var(--gray-300);
}
.drawer-lang-row a.active { background: var(--blue); color: #fff; border-color: var(--blue); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: linear-gradient(150deg, var(--navy) 0%, #113A5E 55%, #1A6BA3 100%);
  padding: 72px 0 64px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; right: -120px; top: -120px;
  width: 700px; height: 700px; border-radius: 50%;
  background: radial-gradient(circle, rgba(26,107,163,.25) 0%, transparent 65%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 440px;
  gap: 56px; align-items: center;
  position: relative;
}
.hero-label {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 20px; padding: 5px 14px;
  font-size: 12px; font-weight: 600; color: rgba(255,255,255,.9);
  margin-bottom: 18px;
}
.hero-label svg { width: 13px; height: 13px; fill: #7DD3F8; }
.hero h1 { color: #fff; margin-bottom: 16px; }
.hero h1 em { color: #7DD3F8; font-style: normal; }
.hero-sub { font-size: 17px; color: rgba(255,255,255,.75); margin-bottom: 30px; max-width: 500px; line-height: 1.7; }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }
/* Hero 整图（文案已做进图内）+ CTA 叠加在图片上 */
.hero-banner { background: #e9eef3; }
.hero-banner-inner { max-width: 1280px; margin: 0 auto; position: relative; }
.hero-banner-inner img { width: 100%; display: block; }
.hero-banner-cta {
  position: absolute; left: 7.5%; top: 70%;
  display: flex; gap: 12px; flex-wrap: wrap;
}
.hero-banner-cta .btn { box-shadow: 0 6px 18px rgba(13,43,69,.18); }
@media (max-width: 768px) {
  /* 手机：图片缩小，CTA 改放图下方居中，避免遮挡 */
  .hero-banner-cta { position: static; padding: 14px 16px; justify-content: center; }
  .hero-banner-cta .btn { flex: 1; justify-content: center; min-width: 140px; }
}
/* Hero 真实图片主视觉 */
.hero-visual { border-radius: var(--radius-lg); aspect-ratio: 4 / 3; box-shadow: 0 18px 50px rgba(0,0,0,.30); border: 1px solid rgba(255,255,255,.12); }
.hero-visual img { width: 100%; height: 100%; object-fit: cover; }
/* Hero product grid (legacy) */
.hero-prods { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.hero-prod {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius); padding: 18px 14px; text-align: center;
  backdrop-filter: blur(8px); transition: .2s;
}
.hero-prod:hover { background: rgba(255,255,255,.18); transform: translateY(-2px); }
.hero-prod-icon {
  width: 48px; height: 48px; border-radius: 10px;
  margin: 0 auto 10px; display: flex; align-items: center; justify-content: center;
}
.hero-prod h4 { font-size: 13px; font-weight: 600; color: #fff; margin-bottom: 3px; }
.hero-prod p  { font-size: 11px; color: rgba(255,255,255,.55); }

/* ============================================================
   TRUST BAR
   ============================================================ */
.trust-bar {
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  padding: 0;
}
.trust-bar-inner {
  display: flex; align-items: stretch;
  border-left: 1px solid var(--gray-200);
}
.trust-item {
  flex: 1; display: flex; align-items: center; gap: 12px;
  padding: 16px 20px;
  border-right: 1px solid var(--gray-200);
}
.trust-icon {
  width: 36px; height: 36px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.trust-icon svg { width: 18px; height: 18px; }
.ti-blue  { background: #EBF4FB; }
.ti-blue svg  { fill: var(--blue); }
.ti-green { background: #EBF4FB; }
.ti-green svg { fill: var(--blue); }
.ti-amber { background: #EBF4FB; }
.ti-amber svg { fill: var(--blue); }
.trust-item strong { font-size: 13px; font-weight: 700; color: var(--navy); display: block; line-height: 1.2; }
.trust-item span   { font-size: 11px; color: var(--gray-500); }

/* ============================================================
   PRODUCT CARDS
   ============================================================ */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.products-grid.cols-4 { grid-template-columns: repeat(4, 1fr); gap: 18px; }
.products-grid.cols-4 .prod-img { height: 150px; }
.products-grid.cols-4 .prod-body { padding: 16px; }
.products-grid.cols-4 .prod-body h3 { font-size: 15px; }
.products-grid.cols-4 .prod-body p { font-size: 12px; }
.prod-card { display: block; }
.prod-img {
  height: 200px;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden; background: var(--gray-100);
}
.prod-img svg { width: 72px; height: 72px; opacity: .7; }
.prod-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
/* 通用真实图片容器 */
.media { overflow: hidden; background: var(--gray-100); }
.media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.prod-body { padding: 20px; }
.prod-body h3 { font-size: 16px; color: var(--navy); margin-bottom: 8px; }
.prod-body p  { font-size: 13px; color: var(--gray-500); margin-bottom: 14px; line-height: 1.55; }
.prod-badges { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.prod-link { font-size: 13px; font-weight: 600; color: var(--blue); display: flex; align-items: center; gap: 4px; }
.prod-link svg { width: 13px; height: 13px; fill: var(--blue); transition: .2s; }
.prod-card:hover .prod-link svg { transform: translateX(3px); }

/* ============================================================
   STATS
   ============================================================ */
.stats-band { background: var(--navy); padding: 48px 0; }
.stats-grid  { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.stat-item { text-align: center; padding: 24px 16px; border-right: 1px solid rgba(255,255,255,.1); }
.stat-item:last-child { border: none; }
.stat-num { font-size: clamp(32px, 4vw, 48px); font-weight: 800; color: #fff; line-height: 1; }
.stat-num em { color: var(--amber); font-style: normal; }
.stat-lbl { font-size: 13px; color: rgba(255,255,255,.55); margin-top: 6px; }

/* ============================================================
   WHY CHOOSE US
   ============================================================ */
.why-highlights { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 44px; }
.why-hl { background: #fff; border: 1px solid var(--gray-200); border-top: 3px solid var(--blue); border-radius: 12px; padding: 22px 18px; text-align: center; box-shadow: var(--shadow-sm); }
.why-hl-num { font-size: 38px; font-weight: 800; color: var(--navy); line-height: 1; letter-spacing: -1px; }
.why-hl-num em { color: var(--amber); font-style: normal; font-size: 26px; }
.why-hl-lbl { font-size: 13px; color: var(--gray-500); margin-top: 8px; line-height: 1.4; }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.why-item { display: flex; gap: 16px; }
.why-icon {
  width: 48px; height: 48px; flex-shrink: 0;
  background: var(--blue-light); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
}
.why-icon svg { width: 24px; height: 24px; fill: var(--blue); }
.why-item h4 { color: var(--navy); margin-bottom: 6px; }
.why-item p  { font-size: 13px; line-height: 1.6; }

/* ============================================================
   CERTIFICATIONS BANNER
   ============================================================ */
.cert-banner {
  background: linear-gradient(135deg, var(--navy), #113A5E);
  padding: 64px 0;
}
.cert-banner-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
}
.cert-banner h2 { color: #fff; margin-bottom: 12px; }
.cert-banner p  { color: rgba(255,255,255,.7); margin-bottom: 24px; }
.cert-cards-2x2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.cert-card-sm {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius); padding: 16px;
  display: flex; align-items: center; gap: 12px;
}
.cert-card-sm-icon {
  width: 44px; height: 44px; border-radius: 8px;
  background: rgba(255,255,255,.15);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.cert-card-sm-icon svg { width: 22px; height: 22px; fill: #fff; }
.cert-card-sm h4 { font-size: 13px; font-weight: 700; color: #fff; margin-bottom: 2px; }
.cert-card-sm p  { font-size: 11px; color: rgba(255,255,255,.6); }

/* ============================================================
   OEM SECTION
   ============================================================ */
.oem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.oem-steps { display: flex; flex-direction: column; }
.oem-step { display: flex; gap: 18px; }
.oem-step-num {
  width: 38px; height: 38px; flex-shrink: 0;
  background: var(--blue); color: #fff;
  border-radius: 50%; font-size: 15px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.oem-step h4 { color: var(--navy); margin-bottom: 4px; }
.oem-step p  { font-size: 13px; color: var(--gray-500); line-height: 1.55; }
.oem-connector { width: 2px; height: 24px; background: var(--gray-200); margin-left: 18px; }
.oem-right h2 { color: var(--navy); margin-bottom: 12px; }
.oem-right p  { margin-bottom: 20px; }
.oem-feat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 24px; }
.oem-feat {
  background: var(--gray-50); border: 1px solid var(--gray-200);
  border-radius: 7px; padding: 12px;
  font-size: 13px; font-weight: 500; color: var(--navy);
  display: flex; align-items: center; gap: 8px;
}
.oem-feat svg { width: 15px; height: 15px; fill: var(--teal); flex-shrink: 0; }

/* ============================================================
   BLOG CARDS
   ============================================================ */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.blog-card { display: block; }
.blog-img-band { height: 148px; display: flex; align-items: center; justify-content: center; font-size: 44px; font-weight: 800; letter-spacing: -3px; }
.blog-body { padding: 18px; background: #fff; }
.blog-cat { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--blue); margin-bottom: 7px; display: block; }
.blog-body h3 { font-size: 14px; font-weight: 700; color: var(--navy); line-height: 1.45; margin-bottom: 8px; }
.blog-body p  { font-size: 12px; color: var(--gray-500); line-height: 1.55; }
.blog-foot { display: flex; justify-content: space-between; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--gray-200); font-size: 11px; }
.blog-date { color: var(--gray-500); }
.blog-read { color: var(--blue); font-weight: 600; }

/* ============================================================
   CTA BAND
   ============================================================ */
.cta-band { background: linear-gradient(90deg, var(--amber), #C55F00); padding: 64px 0; text-align: center; }
.cta-band h2 { color: #fff; margin-bottom: 10px; }
.cta-band p  { color: rgba(255,255,255,.85); margin-bottom: 28px; font-size: 16px; }
.cta-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: #07192E; padding: 60px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; margin-bottom: 48px; }
.footer-brand-name { font-size: 20px; font-weight: 800; color: #fff; margin-bottom: 12px; }
.footer-brand-name span { color: var(--amber); }
.footer-brand-desc { font-size: 13px; color: rgba(255,255,255,.5); line-height: 1.7; margin-bottom: 18px; }
.footer-certs { display: flex; gap: 8px; flex-wrap: wrap; }
.footer-cert { font-size: 11px; font-weight: 600; padding: 4px 9px; border-radius: 5px; background: rgba(255,255,255,.08); color: rgba(255,255,255,.6); border: 1px solid rgba(255,255,255,.12); }
.footer-col h4 { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: rgba(255,255,255,.5); margin-bottom: 14px; }
.footer-col a { display: block; font-size: 13px; color: rgba(255,255,255,.55); margin-bottom: 9px; transition: .2s; }
.footer-col a:hover { color: #fff; }
.footer-contact-row { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 10px; font-size: 13px; color: rgba(255,255,255,.55); }
.footer-contact-row svg { width: 14px; height: 14px; fill: var(--amber); flex-shrink: 0; margin-top: 2px; }
.footer-divider { border: none; border-top: 1px solid rgba(255,255,255,.08); margin-bottom: 24px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-copyright { font-size: 12px; color: rgba(255,255,255,.35); }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { font-size: 12px; color: rgba(255,255,255,.35); transition: .2s; }
.footer-bottom-links a:hover { color: rgba(255,255,255,.65); }

/* ============================================================
   FLOATING WHATSAPP
   ============================================================ */
.float-wa {
  position: fixed; bottom: 24px; right: 24px; z-index: 999;
  width: 52px; height: 52px; border-radius: 50%;
  background: #25D366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.4);
  transition: transform .2s, box-shadow .2s;
}
.float-wa:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(37,211,102,.5); }
.float-wa svg { width: 26px; height: 26px; fill: #fff; }

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb { background: var(--gray-50); border-bottom: 1px solid var(--gray-200); padding: 11px 0; }
.breadcrumb-inner { display: flex; gap: 8px; align-items: center; font-size: 13px; color: var(--gray-500); }
.breadcrumb-inner a { color: var(--blue); }
.breadcrumb-inner a:hover { text-decoration: underline; }

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  background: linear-gradient(135deg, var(--navy), #113A5E);
  padding: 52px 0; text-align: center;
}
.page-hero h1 { color: #fff; margin-bottom: 10px; }
.page-hero p  { color: rgba(255,255,255,.72); max-width: 540px; margin: 0 auto; }

/* ============================================================
   FORMS
   ============================================================ */
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--navy); }
.form-control {
  border: 1px solid var(--gray-300); border-radius: 8px;
  padding: 11px 14px; font-size: 14px; font-family: inherit;
  color: var(--text); background: #fff; outline: none;
  transition: border-color .2s, box-shadow .2s; width: 100%;
  min-height: 44px;
}
.form-control:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(26,107,163,.12); }
textarea.form-control { resize: vertical; min-height: 90px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-note { font-size: 12px; color: var(--gray-500); text-align: center; margin-top: 8px; }

/* ============================================================
   PRODUCT DETAIL
   ============================================================ */
.product-layout {
  display: grid; grid-template-columns: 1fr 380px;
  gap: 56px; align-items: start; padding: 48px 0;
}
.prod-sticky { position: sticky; top: 80px; }
.prod-main-img {
  height: 380px; border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px; position: relative; overflow: hidden;
}
.prod-reg-badge {
  position: absolute; bottom: 14px; right: 14px;
  background: rgba(26,107,163,.15); border: 1px solid rgba(26,107,163,.3);
  padding: 5px 11px; border-radius: 5px; font-size: 11px; font-weight: 600;
  color: var(--blue);
}
.thumb-row { display: flex; gap: 10px; }
.thumb {
  width: 76px; height: 76px; border-radius: 8px;
  border: 2px solid var(--gray-200); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  background: var(--gray-50); transition: .2s;
}
.thumb:hover, .thumb.active { border-color: var(--blue); }
.thumb svg { width: 32px; height: 32px; fill: var(--gray-300); }
/* Sticky buy box */
.buy-box {
  background: #fff; border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg); padding: 24px;
  box-shadow: var(--shadow-sm);
}
.buy-box-name { font-size: 22px; font-weight: 800; color: var(--navy); margin-bottom: 6px; }
.buy-box-sub  { font-size: 14px; color: var(--gray-500); margin-bottom: 14px; }
.buy-box-certs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 18px; }
.key-specs { background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: 10px; padding: 16px; margin-bottom: 16px; }
.key-spec-row { display: flex; justify-content: space-between; padding: 7px 0; border-bottom: 1px solid var(--gray-200); font-size: 13px; }
.key-spec-row:last-child { border: none; padding-bottom: 0; }
.key-spec-row .k { color: var(--gray-500); }
.key-spec-row .v { color: var(--navy); font-weight: 600; }
/* Tabs */
.tabs { display: flex; flex-wrap: wrap; gap: 2px; border-bottom: 2px solid var(--gray-200); margin-bottom: 28px; }
.tab { padding: 11px 18px; font-size: 14px; font-weight: 600; color: var(--gray-500); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -2px; transition: .2s; white-space: nowrap; }
.tab:hover { color: var(--blue); }
.tab.active { color: var(--blue); border-bottom-color: var(--blue); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
/* Spec table */
.spec-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.spec-table th { background: var(--navy); color: #fff; padding: 10px 14px; text-align: left; font-weight: 600; }
.spec-table td { padding: 10px 14px; border-bottom: 1px solid var(--gray-200); vertical-align: top; }
.spec-table tr:nth-child(even) td { background: var(--gray-50); }
/* FAQ */
.faq-item { border: 1px solid var(--gray-200); border-radius: 10px; margin-bottom: 10px; overflow: hidden; }
.faq-q { padding: 15px 18px; font-size: 14px; font-weight: 600; color: var(--navy); cursor: pointer; display: flex; justify-content: space-between; align-items: center; background: #fff; }
.faq-q:hover { background: var(--gray-50); }
.faq-q .ic { font-size: 18px; color: var(--gray-300); transition: .3s; }
.faq-q.open .ic { transform: rotate(45deg); color: var(--blue); }
.faq-a { padding: 0 18px 14px; font-size: 13px; color: var(--gray-500); line-height: 1.7; background: var(--gray-50); display: none; }
.faq-a.show { display: block; }

/* ============================================================
   PRODUCTS PAGE
   ============================================================ */
.products-layout-pg {
  display: grid; grid-template-columns: 220px 1fr;
  gap: 36px; align-items: start;
}
.sidebar-sticky { position: sticky; top: 80px; }
.sidebar-menu-title { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--gray-500); margin-bottom: 10px; }
.sidebar-links { margin-bottom: 24px; }
.sidebar-links a { display: block; padding: 9px 12px; font-size: 13px; font-weight: 500; color: var(--gray-700); border-radius: 7px; margin-bottom: 3px; transition: .18s; }
.sidebar-links a:hover, .sidebar-links a.active { background: var(--blue-light); color: var(--blue); font-weight: 600; }
.prod-list-item {
  display: grid; grid-template-columns: 260px 1fr;
  border: 1px solid var(--gray-200); border-radius: var(--radius-lg);
  overflow: hidden; margin-bottom: 20px; transition: .25s;
  background: #fff;
}
.prod-list-item:hover { box-shadow: var(--shadow-lg); border-color: var(--blue); transform: translateY(-2px); }
.prod-list-img { display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 8px; padding: 24px; }
.prod-list-img svg { width: 72px; height: 72px; }
.prod-list-img span { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--gray-500); }
.prod-list-body { padding: 24px 28px; }
.prod-list-body h2 { font-size: 20px; color: var(--navy); margin-bottom: 8px; }
.prod-list-body p  { font-size: 14px; color: var(--gray-500); line-height: 1.65; margin-bottom: 14px; }
.prod-spec-pills { display: flex; gap: 7px; flex-wrap: wrap; margin-bottom: 16px; }
.spec-pill { background: var(--gray-100); border: 1px solid var(--gray-200); border-radius: 5px; padding: 3px 9px; font-size: 12px; color: var(--gray-700); }
.prod-list-actions { display: flex; gap: 10px; }
/* Product line sections */
.pline-section { margin-bottom: 52px; scroll-margin-top: 80px; }
.pline-header { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; padding-bottom: 16px; border-bottom: 2px solid var(--gray-200); flex-wrap: wrap; }
.pline-icon { width: 52px; height: 52px; border-radius: 12px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.pline-icon svg { width: 28px; height: 28px; fill: #fff; }
.pline-titles { flex: 1; min-width: 200px; }
.pline-titles h2 { font-size: 24px; color: var(--navy); letter-spacing: -.3px; }
.pline-titles p { font-size: 13px; color: var(--gray-500); margin-top: 3px; }
.pline-count { font-size: 12px; font-weight: 700; padding: 5px 12px; border-radius: 20px; background: var(--blue-light); color: var(--blue); white-space: nowrap; }
.pcard-foot { display: flex; gap: 8px; margin-top: 4px; }
.pcard-foot .btn { flex: 1; }
@media (max-width: 768px) {
  .pline-header { gap: 12px; }
  .pline-icon { width: 44px; height: 44px; }
  .pline-titles h2 { font-size: 20px; }
  .pcard-foot { flex-direction: column; }
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-layout {
  display: grid; grid-template-columns: 1fr 380px;
  gap: 48px; align-items: start;
}
.contact-card {
  background: var(--gray-50); border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg); padding: 22px; margin-bottom: 14px;
}
.contact-card h3 { font-size: 14px; font-weight: 700; color: var(--navy); margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.contact-card h3 svg { width: 16px; height: 16px; fill: var(--blue); }
.contact-row { display: flex; gap: 10px; margin-bottom: 9px; font-size: 13px; color: var(--gray-500); }
.contact-row svg { width: 14px; height: 14px; fill: var(--amber); flex-shrink: 0; margin-top: 2px; }
.wa-card-link {
  display: flex; align-items: center; gap: 14px;
  background: linear-gradient(135deg, #064E3B, #059669);
  border-radius: var(--radius-lg); padding: 20px 22px; margin-bottom: 14px;
  transition: transform .2s;
}
.wa-card-link:hover { transform: translateY(-2px); }
.wa-icon { width: 44px; height: 44px; background: rgba(255,255,255,.15); border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.wa-icon svg { width: 24px; height: 24px; fill: #fff; }
.wa-card-link h4 { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 2px; }
.wa-card-link p  { font-size: 12px; color: rgba(255,255,255,.7); }
.hours-card { background: var(--navy); border-radius: var(--radius-lg); padding: 22px; }
.hours-card h3 { font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: rgba(255,255,255,.5); font-weight: 700; margin-bottom: 12px; }
.hours-row { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 7px; }
.hours-row .day { color: rgba(255,255,255,.55); }
.hours-row .time { color: #fff; font-weight: 600; }
.response-badge { margin-top: 14px; background: rgba(232,114,12,.2); border: 1px solid rgba(232,114,12,.4); border-radius: 7px; padding: 10px 14px; font-size: 13px; font-weight: 600; color: var(--amber); text-align: center; }
.form-card { background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow-sm); }
.form-card h2 { font-size: 20px; font-weight: 800; color: var(--navy); margin-bottom: 6px; }
.form-card .form-sub { font-size: 13px; color: var(--gray-500); margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--gray-200); }
.form-promise { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 14px; }
.promise-item { font-size: 12px; color: var(--gray-500); display: flex; align-items: center; gap: 5px; }
.promise-item svg { width: 12px; height: 12px; fill: var(--teal); }
.success-box { display: none; background: #F0FFF4; border: 2px solid #9AE6B4; border-radius: 12px; padding: 24px; text-align: center; }
.success-box h3 { font-size: 17px; font-weight: 700; color: #276749; margin-bottom: 7px; }

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.timeline-wrap { position: relative; padding-left: 28px; }
.timeline-wrap::before { content: ''; position: absolute; left: 8px; top: 4px; bottom: 4px; width: 2px; background: var(--gray-200); }
.tl-item { position: relative; margin-bottom: 26px; }
.tl-dot { position: absolute; left: -20px; top: 3px; width: 12px; height: 12px; border-radius: 50%; background: var(--blue); border: 3px solid #fff; box-shadow: 0 0 0 1.5px var(--blue); }
.tl-year { font-size: 12px; font-weight: 700; color: var(--blue); margin-bottom: 3px; }
.tl-item h4 { font-size: 14px; font-weight: 700; color: var(--navy); margin-bottom: 3px; }
.tl-item p  { font-size: 13px; color: var(--gray-500); line-height: 1.55; }
.factory-grid-pg { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.factory-card { border: 1px solid var(--gray-200); border-radius: var(--radius); overflow: hidden; background: #fff; transition: .25s; }
.factory-card:hover { box-shadow: var(--shadow-lg); border-color: var(--blue); transform: translateY(-2px); }
.factory-card-img { height: 220px; display: flex; align-items: center; justify-content: center; font-size: 48px; background: var(--gray-100); }
.factory-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.factory-card-body { padding: 18px 20px; }
.factory-card-body h4 { font-size: 16px; font-weight: 700; color: var(--navy); margin-bottom: 5px; }
.factory-card-body p  { font-size: 13px; color: var(--gray-500); line-height: 1.5; }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.value-card { background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius-lg); padding: 24px; text-align: center; }
.value-icon { width: 52px; height: 52px; border-radius: 10px; background: var(--blue-light); margin: 0 auto 14px; display: flex; align-items: center; justify-content: center; }
.value-icon svg { width: 26px; height: 26px; fill: var(--blue); }
.value-card h4 { color: var(--navy); margin-bottom: 8px; }
.value-card p  { font-size: 13px; line-height: 1.6; }

/* ============================================================
   CERTIFICATIONS PAGE
   ============================================================ */
.cert-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.cert-detail-card { border: 1px solid var(--gray-200); border-radius: var(--radius-lg); overflow: hidden; }
.cert-detail-header { padding: 18px 20px; display: flex; align-items: center; gap: 14px; }
.cert-detail-icon { width: 50px; height: 50px; border-radius: 10px; background: rgba(255,255,255,.2); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.cert-detail-icon svg { width: 26px; height: 26px; fill: #fff; }
.cert-detail-header h3 { font-size: 16px; font-weight: 700; color: #fff; }
.cert-detail-header p  { font-size: 11px; color: rgba(255,255,255,.7); }
.cert-detail-body { padding: 18px 20px; }
.cert-row { display: flex; justify-content: space-between; align-items: flex-start; padding: 7px 0; border-bottom: 1px solid var(--gray-200); font-size: 13px; }
.cert-row:last-child { border: none; }
.cert-row .k { color: var(--gray-500); min-width: 130px; }
.cert-row .v { color: var(--navy); font-weight: 600; text-align: right; }
.cert-process-grid { display: grid; grid-template-columns: 1fr 28px 1fr 28px 1fr 28px 1fr; gap: 0; align-items: start; }
.cert-process-step { text-align: center; }
.cert-process-num { width: 44px; height: 44px; border-radius: 50%; background: var(--blue); color: #fff; font-size: 16px; font-weight: 800; display: flex; align-items: center; justify-content: center; margin: 0 auto 12px; }
.cert-process-step h4 { font-size: 14px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.cert-process-step p  { font-size: 12px; color: var(--gray-500); line-height: 1.55; }
.cert-process-arrow { padding-top: 22px; font-size: 20px; color: var(--gray-300); text-align: center; }

/* ============================================================
   BLOG PAGE
   ============================================================ */
.filter-bar { background: #fff; border-bottom: 1px solid var(--gray-200); padding: 12px 0; position: sticky; top: 64px; z-index: 50; }
.filter-inner { display: flex; gap: 7px; align-items: center; flex-wrap: wrap; overflow-x: auto; }
.filter-label { font-size: 12px; font-weight: 600; color: var(--gray-500); margin-right: 4px; white-space: nowrap; }
.filter-btn { padding: 6px 14px; border-radius: 18px; font-size: 12px; font-weight: 500; border: 1px solid var(--gray-300); background: #fff; color: var(--gray-700); cursor: pointer; transition: .18s; white-space: nowrap; min-height: 34px; }
.filter-btn:hover { background: var(--blue-light); border-color: var(--blue); color: var(--blue); }
.filter-btn.active { background: var(--blue); border-color: var(--blue); color: #fff; }
.blog-featured {
  display: grid; grid-template-columns: 1fr 1fr;
  border: 1px solid var(--gray-200); border-radius: var(--radius-lg);
  overflow: hidden; margin-bottom: 36px; transition: .2s;
  text-decoration: none;
}
.blog-featured:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.blog-feat-img { height: 300px; display: flex; align-items: center; justify-content: center; font-size: 60px; font-weight: 800; letter-spacing: -4px; }
.blog-feat-body { padding: 32px; display: flex; flex-direction: column; justify-content: center; background: #fff; }
.blog-feat-body h2 { font-size: 22px; color: var(--navy); line-height: 1.35; margin-bottom: 10px; }
.blog-feat-body p  { font-size: 14px; color: var(--gray-500); line-height: 1.65; margin-bottom: 18px; }
.newsletter-box { background: var(--navy); border-radius: var(--radius-lg); padding: 36px; text-align: center; margin: 40px 0; }
.newsletter-box h3 { font-size: 20px; font-weight: 800; color: #fff; margin-bottom: 7px; }
.newsletter-box p  { color: rgba(255,255,255,.65); margin-bottom: 20px; }
.nl-form { display: flex; gap: 10px; max-width: 420px; margin: 0 auto; }
.nl-form input { flex: 1; border: 1px solid rgba(255,255,255,.25); border-radius: 8px; padding: 11px 14px; font-size: 14px; background: rgba(255,255,255,.1); color: #fff; font-family: inherit; outline: none; min-height: 44px; }
.nl-form input::placeholder { color: rgba(255,255,255,.45); }
.nl-form input:focus { border-color: rgba(255,255,255,.55); }
.nl-form button { min-height: 44px; }

/* ============================================================
   OEM PAGE
   ============================================================ */
.oem-hero { background: linear-gradient(150deg, var(--navy), #0D4E7A); padding: 72px 0; position: relative; overflow: hidden; }
.oem-hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.oem-feats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; }
.oem-hero-feat { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18); border-radius: var(--radius); padding: 16px; display: flex; gap: 10px; align-items: flex-start; }
.oem-hero-feat svg { width: 16px; height: 16px; fill: var(--amber); flex-shrink: 0; margin-top: 2px; }
.oem-hero-feat h4 { font-size: 13px; font-weight: 700; color: #fff; margin-bottom: 2px; }
.oem-hero-feat p  { font-size: 11px; color: rgba(255,255,255,.6); line-height: 1.4; }
.oem-process-grid { display: grid; grid-template-columns: 1fr 32px 1fr 32px 1fr 32px 1fr; gap: 0; align-items: start; }
.oem-step-card { background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius-lg); padding: 22px; text-align: center; }
.oem-step-num-pg { width: 44px; height: 44px; border-radius: 50%; background: var(--blue); color: #fff; font-size: 16px; font-weight: 800; display: flex; align-items: center; justify-content: center; margin: 0 auto 12px; }
.oem-step-card h4 { font-size: 14px; font-weight: 700; color: var(--navy); margin-bottom: 7px; }
.oem-step-card p  { font-size: 12px; color: var(--gray-500); line-height: 1.55; }
.oem-duration { font-size: 11px; font-weight: 600; color: var(--teal); margin-top: 8px; background: #E6FFF8; border-radius: 4px; padding: 2px 7px; display: inline-block; }
.oem-arrow { font-size: 20px; color: var(--gray-300); display: flex; align-items: center; justify-content: center; padding-top: 22px; }
.oem-products-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.oem-products-table th { background: var(--navy); color: #fff; padding: 10px 14px; text-align: left; font-weight: 600; }
.oem-products-table td { padding: 10px 14px; border-bottom: 1px solid var(--gray-200); }
.oem-products-table tr:nth-child(even) td { background: var(--gray-50); }
.check { color: var(--teal); font-weight: 700; }

/* ============================================================
   RESPONSIVE — TABLET (≤1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .hero-grid       { grid-template-columns: 1fr; }
  .hero-prods      { grid-template-columns: repeat(4, 1fr); }
  .hero            { padding: 52px 0 44px; }
  .hero h1         { font-size: 36px; }
  .hero-sub        { font-size: 16px; }
  .footer-grid     { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cert-banner-grid { grid-template-columns: 1fr; gap: 32px; }
  .oem-grid        { grid-template-columns: 1fr; }
  .products-grid   { grid-template-columns: repeat(2, 1fr); }
  .products-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .blog-grid       { grid-template-columns: repeat(2, 1fr); }
  .why-grid        { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .why-highlights  { grid-template-columns: repeat(2, 1fr); }
  .stats-grid      { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .stat-item:nth-child(3) { border-top: 1px solid rgba(255,255,255,.1); }
  .trust-bar-inner { flex-wrap: wrap; }
  .trust-item      { flex: 0 0 50%; border-bottom: 1px solid var(--gray-200); }
  .product-layout  { grid-template-columns: 1fr; }
  .prod-sticky     { position: static; }
  .contact-layout  { grid-template-columns: 1fr; }
  .cert-detail-grid { grid-template-columns: 1fr; }
  .cert-process-grid { grid-template-columns: 1fr; gap: 12px; }
  .cert-process-arrow { display: none; }
  .oem-hero-grid   { grid-template-columns: 1fr; }
  .oem-process-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .oem-arrow       { display: none; }
  .blog-featured   { grid-template-columns: 1fr; }
  .blog-feat-img   { height: 200px; }
  .products-layout-pg { grid-template-columns: 1fr; }
  .sidebar-sticky  { position: static; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
  .sidebar-links   { display: flex; gap: 6px; margin-bottom: 0; }
  .sidebar-links a { padding: 6px 12px; white-space: nowrap; }
  .sidebar-cert-box { display: none; }
  .prod-list-item  { grid-template-columns: 200px 1fr; }
  .values-grid     { grid-template-columns: 1fr; }
  .factory-grid-pg { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   RESPONSIVE — MOBILE (≤768px)
   ============================================================ */
@media (max-width: 768px) {
  /* Nav */
  .nav-links, .nav-right { display: none; }
  .nav-toggle { display: flex; }
  .nav-inner  { padding: 0 16px; }
  .container, .container-sm { padding: 0 16px; }

  /* Hero */
  .hero { padding: 40px 0 36px; }
  .hero-prods { grid-template-columns: repeat(2, 1fr); }
  .hero-btns  { flex-direction: column; }
  .hero-btns .btn { width: 100%; justify-content: center; }

  /* Trust bar */
  .trust-bar-inner { flex-direction: column; border: none; }
  .trust-item { flex: 1 0 100%; border-right: none; border-bottom: 1px solid var(--gray-200); padding: 14px 16px; }

  /* Sections */
  .section { padding: 48px 0; }
  .section-header { margin-bottom: 32px; }

  /* Grids → 1 col */
  .products-grid,
  .blog-grid,
  .why-grid,
  .cert-detail-grid,
  .values-grid,
  .factory-grid-pg { grid-template-columns: 1fr; }
  .products-grid.cols-4 { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .products-grid.cols-4 .prod-body { padding: 14px; }
  .why-highlights { grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 32px; }
  .why-hl { padding: 18px 12px; }
  .why-hl-num { font-size: 30px; }
  .why-hl-num em { font-size: 20px; }
  .why-hl-lbl { font-size: 12px; }

  /* Stats */
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-item  { border-right: none; border-bottom: 1px solid rgba(255,255,255,.1); padding: 18px 12px; }
  .stat-item:nth-last-child(-n+2) { border-bottom: none; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .footer-bottom-links { justify-content: center; }

  /* OEM process */
  .oem-process-grid { grid-template-columns: 1fr; }
  .oem-feats-grid   { grid-template-columns: 1fr; }

  /* Product list */
  .prod-list-item { grid-template-columns: 1fr; }
  .prod-list-img  { height: 160px; }
  .prod-list-actions { flex-direction: column; }
  .prod-list-actions .btn { width: 100%; justify-content: center; }

  /* Forms */
  .form-row { grid-template-columns: 1fr; }

  /* Product detail */
  .product-layout { display: flex; flex-direction: column; gap: 24px; padding: 24px 0; }
  .prod-sticky { order: -1; position: static; }
  .buy-box { padding: 20px; }
  .buy-box-name { font-size: 20px; }
  .prod-main-img { height: 220px; }
  .prod-main-img svg { width: 90px !important; height: 90px !important; }
  .prod-reg-badge { font-size: 10px; padding: 4px 8px; left: 12px; right: 12px; bottom: 12px; text-align: center; }
  .thumb { width: 60px; height: 60px; }
  .product-layout div[style*="margin-top:44px"] { margin-top: 20px !important; }
  .spec-table th, .spec-table td { padding: 9px 10px; font-size: 12px; }
  .buy-box-certs { gap: 5px; }

  /* Blog featured */
  .blog-featured { grid-template-columns: 1fr; }
  .blog-feat-img { height: 170px; }

  /* Cert process */
  .cert-process-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .cert-process-arrow { display: none; }

  /* OEM table scroll */
  .oem-products-table { font-size: 12px; }
  .table-scroll { overflow-x: auto; }

  /* Misc */
  .tabs { flex-wrap: nowrap; overflow-x: auto; overflow-y: hidden; padding-bottom: 2px; }
  .tab  { font-size: 13px; padding: 10px 14px; }
  .nl-form { flex-direction: column; }
  .nl-form input, .nl-form button { width: 100%; }
  .cert-cards-2x2 { grid-template-columns: 1fr; }
  .hero-label { font-size: 11px; }
  .oem-feat-grid { grid-template-columns: 1fr; }
  .contact-layout > *:last-child { order: -1; }

  /* Products page */
  .products-layout-pg { grid-template-columns: 1fr; gap: 0; }
  /* Let the 1fr grid column shrink to viewport (grid items default to min-width:auto,
     which otherwise lets long content push the column wider than the screen) */
  .products-layout-pg, .products-layout-pg > * { min-width: 0; }
  .pline-header { flex-wrap: wrap; }
  .pline-titles { min-width: 0; flex-basis: 100%; }
  .pline-titles h2, .pline-titles p { overflow-wrap: anywhere; }

  /* Product-line nav → sticky full-bleed bar under the header */
  .sidebar-sticky {
    display: block; position: sticky; top: 64px; z-index: 900;
    margin: 0 -16px 18px; padding: 9px 16px; width: auto;
    background: rgba(255,255,255,.96); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: 0 3px 10px rgba(13,43,69,.06);
  }
  .sidebar-menu-title { display: none; }
  .sidebar-links {
    display: flex; gap: 8px; margin-bottom: 0;
    overflow-x: auto; -webkit-overflow-scrolling: touch;
    padding-bottom: 2px; scrollbar-width: none;
  }
  .sidebar-links::-webkit-scrollbar { display: none; }
  .sidebar-links a {
    flex: 0 0 auto; padding: 8px 15px; white-space: nowrap;
    border: 1px solid var(--gray-300); border-radius: 20px;
    font-size: 13px; font-weight: 600; background: #fff; color: var(--gray-700);
    margin-bottom: 0;
  }
  .sidebar-links a.active { background: var(--blue); color: #fff; border-color: var(--blue); }
  .sidebar-cert-box { display: none; }

  /* Offset anchor jumps so titles clear header + sticky nav bar */
  .pline-section { scroll-margin-top: 124px; margin-bottom: 32px; }

  /* Vertical product cards (image on top, info below) — same as About facility cards */
  .products-layout-pg .products-grid { grid-template-columns: 1fr; gap: 16px; }
  .products-layout-pg .prod-card { display: block; width: 100%; }
  .products-layout-pg .prod-card .prod-img { height: 190px; border-radius: 0; }
  .products-layout-pg .prod-card .prod-img svg { width: 56px; height: 56px; }
  .products-layout-pg .prod-card .prod-body { padding: 16px; min-width: 0; }
  .products-layout-pg .prod-card .prod-body h3 { font-size: 16px; line-height: 1.3; margin-bottom: 8px; }
  .products-layout-pg .prod-card .prod-body p { display: block; font-size: 13px; margin-bottom: 12px; }
  .products-layout-pg .prod-card .prod-spec-pills { gap: 6px; margin-bottom: 12px; }
  .products-layout-pg .prod-card .spec-pill { font-size: 11px; padding: 3px 8px; word-break: break-word; }
  .products-layout-pg .prod-card .prod-badges { gap: 6px; flex-wrap: wrap; }
}

/* ============================================================
   UTILITY
   ============================================================ */
.text-center { text-align: center; }
.mt-4  { margin-top: 16px; }
.mt-6  { margin-top: 24px; }
.mt-8  { margin-top: 32px; }
.mt-12 { margin-top: 48px; }
.mb-4  { margin-bottom: 16px; }
.mb-6  { margin-bottom: 24px; }
.d-flex { display: flex; }
.gap-3  { gap: 12px; }
.gap-4  { gap: 16px; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
@media (max-width: 768px) { .two-col { grid-template-columns: 1fr; gap: 28px; } }