/* ===== Design Tokens ===== */
:root {
  /* ---- Brand colors (deep navy — premium B2B) ---- */
  --blue: #1e40af;
  --blue-dark: #1e3a8a;
  --blue-darker: #172554;
  --blue-deeper: #0f172a;
  --blue-light: #e0e7ff;
  --blue-subtle: #eef2ff;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --accent-light: #fef3c7;
  --accent-subtle: #fffbeb;
  --green: #25d366;
  --green-dark: #1da851;
  --red: #ef4444;

  /* ---- Semantic colors ---- */
  --text: #0f172a;
  --text-light: #64748b;
  --text-muted: #94a3b8;
  --bg: #ffffff;
  --bg-subtle: #f8fafc;
  --bg-muted: #f1f5f9;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --white: #ffffff;

  /* ---- Gradients ---- */
  --gradient-blue: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
  --gradient-warm: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
  --gradient-hero: linear-gradient(135deg, rgba(15,23,42,.95) 0%, rgba(30,58,138,.85) 100%);

  /* ---- RGB helpers (for rgba usage) ---- */
  --brand-blue-rgb: 30, 64, 175;
  --brand-amber-rgb: 245, 158, 11;
  --brand-navy-rgb: 15, 23, 42;
  --black-rgb: 0, 0, 0;
  --white-rgb: 255, 255, 255;

  /* ---- Shadows ---- */
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,.1);
  --shadow-xl: 0 20px 60px rgba(0,0,0,.12);
  --shadow-card-hover: 0 20px 60px rgba(30,64,175,.1), 0 8px 24px rgba(30,64,175,.06);

  /* ---- Spacing scale (4px grid) ---- */
  --space-1: 4px;  --space-2: 8px;  --space-3: 12px;  --space-4: 16px;
  --space-5: 20px; --space-6: 24px; --space-8: 32px;  --space-10: 40px;
  --space-12: 48px; --space-16: 64px;

  /* ---- Border radius ---- */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  /* ---- Typography ---- */
  --font: 'Inter', -apple-system, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'Oswald', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

  /* ---- Type Scale ---- */
  --text-hero: clamp(36px, 5vw, 60px);
  --text-h1: clamp(28px, 4vw, 44px);
  --text-h2: clamp(22px, 3vw, 32px);
  --text-h3: 18px;
  --text-h4: 15px;
  --text-body: 15px;
  --text-sm: 13px;
  --text-xs: 12px;
  --text-oe: 12px;
  --text-btn: 14px;

  /* ===== Hero 配置 =====
     三种模式：video | slideshow | static
     实际由 JS 变量 heroConfig.mode 控制
     ============================================================ */
  --hero-mode: static;
  --hero-video: none;
  --hero-poster: none;
  --hero-slides: url('hero-slide-1.svg'), url('hero-slide-2.svg'), url('hero-slide-3.svg');
  --hero-slide-interval: 4;
  --hero-bg: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="1600" height="900" viewBox="0 0 1600 900"><rect fill="%231e40af" width="1600" height="900"/><circle fill="%231e3a8a" cx="1200" cy="200" r="400"/><circle fill="%233b82f6" cx="300" cy="700" r="250"/></svg>');
  --campaign-badge-text: "";
  --campaign-badge-bg: #ef4444;
  --color-green-accent: #16a34a;
  --color-purple-accent: #7c3aed;
  --color-green-light: #f0fdf4;
  --color-purple-light: #faf5ff;
  --color-teal: #10b981;
  --color-teal-dark: #059669;
  --color-violet: #8b5cf6;
  --color-violet-dark: #6d28d9;
  --color-orange: #ea580c;
  --amber-light: #fbbf24;
  --orange: #f97316;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); line-height: 1.6; background: var(--white); }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; border-radius: 2px; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; } }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Typography ===== */
.h1 { font-size: clamp(28px, 4vw, 44px); font-weight: 800; line-height: 1.15; }
.h2 { font-size: clamp(22px, 3vw, 32px); font-weight: 700; line-height: 1.2; }
.h3 { font-size: 18px; font-weight: 600; line-height: 1.3; }
.h4 { font-size: 15px; font-weight: 600; }
.body-sm { font-size: 13px; color: var(--text-light); line-height: 1.6; }
.text-hero { font-size: var(--text-hero); font-weight: 800; line-height: 1.05; }
.text-oe { font-size: var(--text-oe); font-weight: 600; font-family: var(--font-mono); letter-spacing: .3px; color: var(--blue); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: 8px;
  font-size: 14px; font-weight: 600;
  transition: all .2s; cursor: pointer; border: none; font-family: var(--font);
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: var(--blue-dark); box-shadow: 0 4px 12px rgba(30,64,175,.3); }
.btn-white { background: var(--white); color: var(--blue); }
.btn-white:hover { background: var(--blue-subtle); box-shadow: 0 4px 12px rgba(0,0,0,.15); }
.btn-outline-light { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,.4); }
.btn-outline-light:hover { border-color: var(--white); background: rgba(255,255,255,.1); }
.btn-outline { background: transparent; color: var(--text); border: 2px solid var(--border); }
.btn-outline:hover { border-color: var(--blue); color: var(--blue); }
.btn-wa { background: var(--green); color: var(--white); }
.btn-wa:hover { background: var(--green-dark); box-shadow: 0 4px 12px rgba(37,211,102,.35); }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-block { width: 100%; justify-content: center; }

/* ===== Breadcrumb ===== */
.breadcrumb { padding: 12px 0; font-size: 13px; color: var(--text-light); }
.breadcrumb a { color: var(--blue); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { margin: 0 6px; color: var(--text-muted); }

/* ===== Section ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--blue-subtle); }
.section-alt2 { background: var(--bg); }
.section-header { text-align: center; margin-bottom: 52px; }
.section-header .h2 { margin-bottom: 10px; }
.section-header .h2::after {
  content: ''; display: block; width: 48px; height: 3px;
  background: var(--gradient-blue); margin: 12px auto 0; border-radius: 2px;
}
.section-header p { color: var(--text-light); max-width: 560px; margin: 0 auto; font-size: 15px; }
.section-header .h2.no-line::after { display: none; }
.section-divider { height: 4px; background: linear-gradient(90deg, var(--blue), var(--accent), var(--blue)); opacity: .15; }

/* ===== Top Bar ===== */
.top-bar { background: var(--blue); color: var(--white); font-size: 15px; padding: 8px 0; }
.top-bar .container { display: flex; justify-content: space-between; align-items: center; }
.top-bar a { color: rgba(255,255,255,.8); margin-left: 20px; }
.top-bar a:hover { color: var(--white); }
.lang-switcher { display: inline-flex; align-items: center; gap: 2px; margin-left: 16px; }
.lang-btn { cursor: pointer; padding: 2px 8px; font-size: 15px; font-weight: 600; color: rgba(255,255,255,.6); transition: color .2s; user-select: none; }
.lang-btn:hover { color: var(--white); }
.lang-btn.active { color: var(--white); }
.lang-sep { color: rgba(255,255,255,.3); font-size: 15px; }

/* ===== Header / Nav ===== */
.header {
  background: var(--white); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
  transition: background .3s, box-shadow .3s, backdrop-filter .3s;
}
.header-scrolled {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 8px rgba(0,0,0,.06);
  border-bottom-color: transparent;
}
.header .container { display: flex; align-items: center; justify-content: space-between; height: 72px; padding-left: 20px; }

/* Logo — [CMS IMG] 替换 logo 图片 */
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-img { width: 56px; height: 48px; border-radius: 8px; object-fit: contain; }
.logo-text { font-size: 26px; font-weight: 800; line-height: 1.15; letter-spacing: -0.3px; }
.logo-text small { display: block; font-size: 12px; font-weight: 400; color: #93c5fd; letter-spacing: .5px; margin-top: 2px; }

.nav { display: flex; align-items: center; gap: 6px; }
.nav > a {
  font-size: 14px; font-weight: 500; color: var(--text); transition: color .2s;
  text-decoration: none; padding: 8px 12px; border-radius: 6px; position: relative;
}
.nav > a::after {
  content: ''; position: absolute; bottom: 0; left: 12px; right: 12px;
  height: 2px; background: var(--blue); border-radius: 1px;
  transform: scaleX(0); transition: transform .2s;
}
.nav > a:hover, .nav > a.active { color: var(--blue); }
.nav > a:hover::after, .nav > a.active::after { transform: scaleX(1); }

/* Dropdown wrapper */
.nav-dd { position: relative; }

/* Dropdown trigger */
.nav-dd-trigger {
  display: flex; align-items: center; gap: 4px;
  padding: 8px 12px; font-size: 14px; font-weight: 500;
  color: var(--text); text-decoration: none; border-radius: 6px;
  cursor: pointer; transition: color .15s; white-space: nowrap;
}
.nav-dd-trigger:hover { color: var(--blue); }
.nav-dd-trigger .dd-arrow { transition: transform .2s; }
.nav-dd:hover .nav-dd-trigger .dd-arrow { transform: rotate(180deg); }

/* Dropdown menu */
.nav-dd-menu {
  position: absolute; top: calc(100% + 12px); left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--white); border: 1px solid var(--border);
  border-radius: 12px; box-shadow: 0 12px 40px rgba(0,0,0,.1);
  opacity: 0; pointer-events: none; transition: all .2s ease;
  z-index: 200;
}
/* Invisible hover bridge — fills the 12px gap so mouse doesn't lose focus */
.nav-dd-menu::before {
  content: ''; position: absolute;
  top: -12px; left: 0; right: 0; height: 12px;
}
.nav-dd:hover .nav-dd-menu {
  opacity: 1; pointer-events: auto; transform: translateX(-50%) translateY(0);
}

/* Products mega dropdown */
.nav-dd-products {
  display: flex; gap: 0; padding: 20px; width: 560px;
}
.nav-dd-col { flex: 1; padding: 0 16px; border-right: 1px solid var(--border); }
.nav-dd-col:last-child { border-right: none; }
.nav-dd-col h4 {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .6px; color: var(--text-light); margin-bottom: 10px;
}
.nav-dd-col a {
  display: block; padding: 5px 0; font-size: 13px; font-weight: 500;
  color: var(--text); text-decoration: none; transition: color .15s;
}
.nav-dd-col a:hover { color: var(--blue); }

/* Catalog brand dropdown */
.nav-dd-brands {
  width: 380px; padding: 12px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px;
}
.nav-dd-brands a {
  display: block; padding: 6px 8px; font-size: 12px; font-weight: 500;
  color: var(--text); text-decoration: none; border-radius: 6px;
  text-align: center; transition: all .15s;
}
.nav-dd-brands a:hover { background: var(--blue-subtle); color: var(--blue); }
.nav-dd-brands .nav-dd-viewall {
  grid-column: 1 / -1; text-align: center; font-size: 12px;
  font-weight: 600; color: var(--blue) !important; padding: 8px;
  border-top: 1px solid var(--border); margin-top: 4px; border-radius: 0;
}

/* Cart Button */
.cart-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 16px; border: none; border-radius: 8px;
  font-size: 14px; font-weight: 600; cursor: pointer;
  background: var(--blue); color: var(--white);
  font-family: var(--font); transition: background .2s, transform .15s;
}
.cart-btn:hover { background: var(--blue-dark); transform: translateY(-1px); }
.cart-count {
  background: var(--white); color: var(--blue); border-radius: 50%;
  width: 20px; height: 20px; font-size: 11px; display: flex;
  align-items: center; justify-content: center; font-weight: 700;
}

.mobile-toggle {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; background: none; border: none; padding: 4px;
}
.mobile-toggle span {
  width: 22px; height: 2px; background: var(--text);
  border-radius: 2px; transition: all .2s;
}

/* ===== Hero ===== */
.hero {
  padding: 80px 0 60px; position: relative; overflow: hidden; color: var(--white);
  background: var(--gradient-hero), var(--hero-bg);
  background-size: cover; background-position: center;
  min-height: 90vh;
  display: flex; align-items: center;
}

/* Hero 装饰性浮动元素 */
.hero-shapes { position: absolute; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.hero-shape {
  position: absolute; border-radius: 50%; opacity: .08;
  animation: heroFloat 20s ease-in-out infinite;
}
.hero-shape:nth-child(1) {
  width: 500px; height: 500px; background: var(--accent);
  top: -100px; right: -100px; animation-delay: 0s;
}
.hero-shape:nth-child(2) {
  width: 300px; height: 300px; background: #fff;
  bottom: -50px; left: -50px; animation-delay: -7s;
}
.hero-shape:nth-child(3) {
  width: 150px; height: 150px; background: var(--accent);
  top: 40%; left: 20%; animation-delay: -14s;
}
@keyframes heroFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -30px) scale(1.05); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(20px, 30px) scale(1.02); }
}

/* Hero 斜线装饰分割 */
.hero-accent-bar {
  position: absolute; bottom: 0; left: 0; right: 0; height: 6px; z-index: 1;
  background: linear-gradient(90deg, var(--accent), var(--blue-light), var(--accent));
}

/* Video 背景层 — 默认隐藏，JS 根据 --hero-mode 启用 */
.hero-video-wrap {
  display: none;
  position: absolute; inset: 0; z-index: 0;
  overflow: hidden; background: var(--blue-dark);
}
.hero-video-wrap video {
  width: 100%; height: 100%; object-fit: cover;
}
/* 视频上方渐变遮罩 — 保证文字始终可读 */
.hero-video-overlay {
  position: absolute; inset: 0;
  background: var(--gradient-hero);
}

.hero .container { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 32px; }
.hero-content { max-width: 720px; }
.hero h1,
.hero-title { font-size: clamp(32px, 5vw, 54px); font-weight: 800; line-height: 1.08; margin-bottom: 20px; }
.hero-title span {
  display: inline-block;
  opacity: 0;
  transform: translateY(20px);
  animation: heroFadeIn .8s ease forwards;
}
.hero-title span:nth-child(1) { animation-delay: .2s; }
.hero-title span:nth-child(2) { animation-delay: .4s; }
.hero-title span:nth-child(3) { animation-delay: .6s; }
.hero-highlight {
  color: #fbbf24; font-weight: 900;
  text-shadow: 0 0 60px rgba(251,191,36,.3), 0 0 120px rgba(251,191,36,.1);
  position: relative;
  display: inline-block;
}
.hero-highlight::after {
  content: ''; position: absolute; bottom: 4px; left: 0; right: 0;
  height: 4px; background: linear-gradient(90deg, #f59e0b, transparent);
  border-radius: 2px;
}
.hero h1 span:not(.hero-highlight) { color: rgba(255,255,255,.6); font-weight: 400; font-size: 0.7em; display: block; margin-top: 8px; }
.hero p { font-size: 17px; line-height: 1.7; color: rgba(255,255,255,.7); margin-bottom: 36px; max-width: 600px; margin-left: auto; margin-right: auto; }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.btn-accent { background: linear-gradient(135deg, var(--accent), var(--orange)); color: var(--white); box-shadow: 0 4px 16px rgba(var(--brand-amber-rgb),.35); }
.btn-accent:hover { background: linear-gradient(135deg, var(--accent-dark), var(--color-orange)); box-shadow: 0 6px 20px rgba(var(--brand-amber-rgb),.4); transform: translateY(-2px); }
.icon-svg { width: 18px; height: 18px; vertical-align: middle; flex-shrink: 0; }
.icon-svg-sm { width: 14px; height: 14px; vertical-align: middle; flex-shrink: 0; }
.hero-trust {
  display: flex; gap: 16px; margin-top: 36px; flex-wrap: wrap; justify-content: center;
}
.trust-badge {
  background: rgba(255,255,255,.08); border-radius: 20px;
  padding: 6px 16px; font-size: 13px; color: rgba(255,255,255,.8);
  display: inline-flex; align-items: center; gap: 6px;
  backdrop-filter: blur(4px);
  transition: background .2s;
}
.trust-badge:hover { background: rgba(255,255,255,.12); }

/* 活动推广标签 — --campaign-badge-text 为空时不显示 */
.campaign-badge {
  display: none;
  position: absolute; top: 24px; left: 50%; transform: translateX(-50%); z-index: 2;
  background: var(--campaign-badge-bg, #ef4444); color: #fff;
  padding: 8px 24px; border-radius: 24px; font-size: 14px; font-weight: 700;
  letter-spacing: .5px; white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0,0,0,.2);
}
.campaign-badge.show { display: block; }

/* 轮播图背景层 */
/* 轮播图背景层 — 默认隐藏 (Swiper) */
.hero-slideshow-wrap {
  display: none;
  position: absolute; inset: 0; z-index: 0;
  overflow: hidden; background: var(--blue-dark);
}
.hero-slideshow-wrap .swiper-slide {
  background-size: cover; background-position: center;
}
.hero-slideshow-wrap .swiper-pagination-bullet {
  background: rgba(255,255,255,.5); opacity: 1; width: 10px; height: 10px;
}
.hero-slideshow-wrap .swiper-pagination-bullet-active {
  background: #fff;
}

/* Hero badge */
.hero-badge {
  display: inline-block;
  background: rgba(251,191,36,.15);
  color: #fbbf24;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
  border: 1px solid rgba(251,191,36,.25);
  letter-spacing: .5px;
}

/* ===== Hero Promo Module ===== */
.hero-promo {
  width: 100%;
  max-width: 400px;
  flex-shrink: 0;
}
.hero-promo-default {
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 16px;
  padding: 24px;
  transition: all .3s;
}
.hero-promo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.hero-promo-label {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  letter-spacing: .3px;
}
.hero-promo-badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .6px;
  padding: 4px 12px;
  border-radius: 12px;
  background: rgba(251,191,36,.2);
  color: #fbbf24;
  border: 1px solid rgba(251,191,36,.25);
}
.hero-promo-product {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  margin-bottom: 10px;
  border-radius: 10px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.06);
  transition: all .25s;
  cursor: pointer;
}
.hero-promo-product:last-child { margin-bottom: 0; }
.hero-promo-product:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.15);
  transform: translateX(4px);
}
.hero-promo-thumb {
  width: 80px; height: 80px;
  border-radius: 8px;
  background: rgba(255,255,255,.08);
  flex-shrink: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-promo-thumb img {
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 6px;
  transition: transform .3s;
}
.hero-promo-product:hover .hero-promo-thumb img {
  transform: scale(1.08);
}
.hero-promo-thumb .thumb-placeholder {
  font-size: 10px;
  color: rgba(255,255,255,.3);
  text-align: center;
  padding: 4px;
}
.hero-promo-info {
  flex: 1;
  min-width: 0;
}
.hero-promo-info .promo-name {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.hero-promo-info .promo-oe {
  font-size: 12px;
  font-weight: 500;
  color: rgba(255,255,255,.5);
  margin-top: 2px;
  letter-spacing: .2px;
}
.hero-promo-add {
  flex-shrink: 0;
  background: var(--gradient-warm);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 700;
  font-family: var(--font);
  cursor: pointer;
  transition: all .2s;
  white-space: nowrap;
  line-height: 1.4;
}
.hero-promo-add:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(245,158,11,.35);
}
.hero-promo-promo {
  border-radius: 16px;
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border: 1px solid rgba(255,255,255,.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.hero-promo-promo > * { position: relative; z-index: 1; }
.hero-promo-promo .promo-title {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 8px;
}
.hero-promo-promo .promo-desc {
  font-size: 13px;
  line-height: 1.6;
  opacity: .85;
  margin-bottom: 16px;
}
.hero-promo-promo .promo-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font);
  border: none;
  cursor: pointer;
  transition: all .2s;
  align-self: flex-start;
  background: #fff;
  color: var(--text);
}
.hero-promo-promo .promo-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,.2);
}
@media (min-width: 969px) {
  .hero-promo { max-width: 420px; }
}
@media (max-width: 968px) {
  .hero-promo { max-width: 480px; }
}
@media (max-width: 600px) {
  .hero-promo { max-width: 100%; }
  .hero-promo-default { padding: 16px; }
  .hero-promo-product { padding: 8px 10px; gap: 10px; }
  .hero-promo-thumb { width: 64px; height: 64px; }
  .hero-promo-info .promo-name { font-size: 12px; }
  .hero-promo-promo { padding: 20px 16px; min-height: 140px; }
  .hero-promo-promo .promo-title { font-size: 16px; }
}

/* ===== Stats Bar ===== */
.stats-bar {
  background: var(--white); border-bottom: 1px solid var(--border);
  padding: 40px 0;
}
.stats-bar .container { display: grid; grid-template-columns: repeat(4,1fr); }
.stat-item { text-align: center; padding: 8px 0; position: relative; }
.stat-item + .stat-item::before {
  content: ''; position: absolute; left: 0; top: 20%; height: 60%; width: 1px;
  background: linear-gradient(180deg, transparent, var(--border), transparent);
}
.stat-num { font-size: 36px; font-weight: 800; color: var(--blue-dark); line-height: 1.2; }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; text-transform: uppercase; letter-spacing: 1px; font-weight: 600; }

/* ===== Product Detail Modal ===== */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 2000;
  opacity: 0; pointer-events: none; transition: opacity .3s; backdrop-filter: blur(4px);
}
.modal-overlay.open { opacity: 1; pointer-events: auto; }
.modal-box {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%,-50%) scale(.95);
  background: var(--white); border-radius: var(--radius-lg); max-width: 520px; width: 90%;
  max-height: 80vh; overflow-y: auto; z-index: 2001;
  opacity: 0; pointer-events: none; transition: all .3s;
  box-shadow: 0 24px 80px rgba(0,0,0,.2);
}
.modal-box.open { opacity: 1; pointer-events: auto; transform: translate(-50%,-50%) scale(1); }
.modal-close {
  position: absolute; top: 12px; right: 12px; width: 32px; height: 32px;
  border: none; background: var(--bg-muted); border-radius: 50%; cursor: pointer;
  display: flex; align-items: center; justify-content: center; color: var(--text-light);
  font-size: 18px; transition: all .2s; z-index: 1;
}
.modal-close:hover { background: var(--border); color: var(--text); }

/* Checkout form */
.form-input {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 14px; font-family: inherit;
  background: var(--white); color: var(--text); transition: border-color .2s;
}
.form-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px rgba(201,168,76,.15); }
.modal-body { padding: 40px 32px 32px; }
.modal-body .oe-badge {
  display: inline-block; background: var(--blue-light); color: var(--blue);
  font-weight: 700; font-size: 12px; padding: 3px 10px; border-radius: 4px;
  margin-bottom: 12px; letter-spacing: .3px;
}
.modal-body h2 { font-size: 22px; margin-bottom: 8px; }
.modal-body .modal-desc { color: var(--text-light); font-size: 14px; line-height: 1.6; margin-bottom: 20px; }
.modal-info { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 24px; }
.modal-info-item.full-width { grid-column: 1 / -1; }
.modal-info-item {
  background: var(--bg-subtle); border-radius: 8px; padding: 12px 14px;
  border: 1px solid var(--border-light);
}
.modal-info-item .label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 2px; }
.modal-info-item .value { font-weight: 600; font-size: 14px; color: var(--text); }
.modal-actions { display: flex; gap: 10px; }
.modal-actions .btn { flex: 1; justify-content: center; }

/* ===== Modal Image Container ===== */
.modal-img-wrap, .modal-img {
  width: 100%; aspect-ratio: 3/2; background: var(--bg-muted); border-radius: 8px;
  overflow: hidden; margin-bottom: 16px; display: flex; align-items: center; justify-content: center;
}
.modal-img-wrap img, .modal-img svg { width: 100%; height: 100%; display: block; }

/* ===== Modal Quantity Input ===== */
.modal-qty {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px; padding: 12px 14px; background: var(--bg-subtle);
  border-radius: 8px; border: 1px solid var(--border-light);
}
.modal-qty label { font-size: 13px; font-weight: 600; color: var(--text); }
.qty-control { display: flex; align-items: center; gap: 0; }
.qty-btn {
  width: 36px; height: 36px; border: 1px solid var(--border); background: var(--white);
  color: var(--text); font-size: 18px; font-weight: 600; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s; user-select: none;
}
.qty-btn:first-child { border-radius: 6px 0 0 6px; }
.qty-btn:last-child { border-radius: 0 6px 6px 0; }
.qty-btn:hover { background: var(--bg-muted); }
.qty-control input[type="number"] {
  width: 56px; height: 36px; border: 1px solid var(--border); border-left: none; border-right: none;
  text-align: center; font-size: 15px; font-weight: 600; color: var(--text);
  -moz-appearance: textfield; outline: none;
}
.qty-control input[type="number"]::-webkit-inner-spin-button,
.qty-control input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }

/* ===== Vehicle Fitment Search ===== */
.s-fitment { background: var(--bg-subtle); }
.search-card {
  background: var(--white); border-radius: var(--radius-md); padding: 36px;
  box-shadow: 0 4px 24px rgba(0,0,0,.04); max-width: 820px; margin: 0 auto;
  border: 1px solid var(--border);
}
.search-row { display: flex; gap: 12px; align-items: end; flex-wrap: wrap; }
.search-field { flex: 1; min-width: 160px; }
.search-btn-wrap { display: flex; align-items: end; margin-left: auto; }
.search-field label { display: block; font-size: 11px; font-weight: 600; color: var(--text-light); margin-bottom: 4px; text-transform: uppercase; letter-spacing: .5px; }
.search-field select, .search-field input {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 6px;
  font-size: 14px; background: var(--white); color: var(--text); font-family: var(--font);
}
.search-field select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(30,64,175,.1); }

.search-result { margin-top: 20px; display: none; }
.search-result h4 { margin-bottom: 12px; font-size: 15px; }
.search-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; background: var(--bg-muted); border-radius: 8px; margin-bottom: 8px;
}
.search-item .oe-tag { color: var(--blue); font-weight: 600; font-size: 12px; }
.search-item .btn { flex-shrink: 0; }
.search-item-info { flex: 1; cursor: pointer; padding-right: 12px; transition: opacity .2s; }
.search-item-info:hover { opacity: .7; }
.search-item-info strong::after {
  content: ''; display: inline-block; width: 12px; height: 12px;
  margin-left: 6px; vertical-align: middle;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M15 3h6v6M9 21H3v-6M21 3l-7 7M3 21l7-7'/%3E%3C/svg%3E") center/contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M15 3h6v6M9 21H3v-6M21 3l-7 7M3 21l7-7'/%3E%3C/svg%3E") center/contain no-repeat;
  opacity: .4;
}

/* ===== Search Loading Spinner ===== */
.search-loading {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 36px 0;
  gap: 12px;
  color: var(--text-light);
  font-size: 14px;
}
.search-loading.active {
  display: flex;
}
.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== Search Result Count ===== */
.search-count {
  text-align: center;
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 12px;
  padding: 6px 12px;
  background: var(--blue-subtle);
  border-radius: 6px;
  display: inline-block;
  width: 100%;
}

/* ===== Product Categories ===== */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.cat-card {
  border: 1px solid var(--border); border-radius: var(--radius-md); padding: 36px 24px 32px;
  text-align: center; transition: all .3s; cursor: pointer; display: block; color: inherit;
}
.cat-card:hover { border-color: var(--blue); box-shadow: 0 12px 36px rgba(30,64,175,.12); transform: translateY(-4px); }

/* [CMS IMG] 分类图标 */
.cat-icon { width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 14px; overflow: hidden; }
.cat-icon img { width: 100%; height: 100%; object-fit: contain; }
.cat-card .h3 { margin-bottom: 8px; color: var(--text); }
.cat-card p { font-size: 13px; color: var(--text-light); }

/* ===== Featured Products ===== */
.s-products { background: var(--bg-subtle); }
.prod-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.prod-card {
  background: var(--white); border-radius: var(--radius-md); border: 1px solid var(--border);
  overflow: hidden; transition: all .35s;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
  position: relative;
}
.prod-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--accent));
  opacity: 0; transition: opacity .35s;
  z-index: 1;
}
.prod-card:hover {
  box-shadow: 0 20px 60px rgba(30,64,175,.1), 0 8px 24px rgba(30,64,175,.06);
  transform: translateY(-6px);
  border-color: transparent;
}
.prod-card:hover::before { opacity: 1; }
/* [CMS IMG] 产品图片 600x450px 白底图 */
.prod-img {
  width: 100%; aspect-ratio: 4/3; background: var(--bg-muted); overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.prod-img img { width: 100%; height: 100%; object-fit: contain; padding: 24px; transition: transform .5s cubic-bezier(.25,.46,.45,.94); }
.prod-card:hover .prod-img img { transform: scale(1.08); }
.prod-info { padding: 20px 22px 22px; }
.prod-info .h3 { font-size: 15px; margin-bottom: 4px; }
.prod-info .oe-code { font-size: 12px; color: var(--blue); font-weight: 600; margin-bottom: 4px; letter-spacing: .3px; }
.prod-info p { font-size: 13px; color: var(--text-light); margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.prod-actions { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.prod-actions .btn { white-space: nowrap; }

/* ===== Brands (Industrial Precision Theme) ===== */
.s-brands {
  background: var(--blue-deeper);
  position: relative;
  overflow: hidden;
}
.s-brands .section-header p { color: rgba(255,255,255,.5); }
.s-brands::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 30% 0%, rgba(59,130,246,.08) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 100%, rgba(245,158,11,.05) 0%, transparent 50%);
  pointer-events: none;
}
.s-brands-bg {
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}
.s-brands-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}
.s-brands-glow {
  position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, rgba(59,130,246,.1) 0%, transparent 70%);
  pointer-events: none;
}
.brands-eyebrow {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.brands-h2 { color: rgba(255,255,255,.95); font-family: 'Oswald', sans-serif; font-weight: 600; letter-spacing: .5px; }
.brands-highlight {
  color: #fbbf24;
  position: relative;
}
.brands-highlight::after {
  content: ''; position: absolute; bottom: 2px; left: 0; right: 0;
  height: 3px; background: var(--accent); opacity: .5; border-radius: 2px;
}
.s-brands .section-header .h2::after {
  background: linear-gradient(90deg, var(--accent), var(--blue-light));
}
.brands-grid { display: grid; grid-template-columns: repeat(6,1fr); gap: 12px; }
.brand-card {
  text-align: center; cursor: pointer; position: relative;
  transition: transform .3s;
  padding: 0; border: none; background: transparent; border-radius: 0;
}
.brand-card:hover { transform: translateY(-4px); box-shadow: none; background: transparent; }
.brand-card-inner {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-md);
  padding: 18px 12px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: all .3s;
  height: 100%;
}
.brand-card:hover .brand-card-inner {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.15);
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
}
.brand-card .brand-logo { height: 44px; display: flex; align-items: center; justify-content: center; margin-bottom: 10px; color: rgba(255,255,255,.75); transition: transform .3s; }
.brand-card .brand-logo img { max-height: 100%; max-width: 100%; object-fit: contain; transition: transform .3s ease, opacity .3s ease; opacity: .9; }
.brand-card:hover .brand-logo img { transform: scale(1.08); opacity: 1; }
.brand-card:hover .brand-logo svg { transform: scale(1.08); opacity: 1; }
.brand-card .brand-logo svg { transition: transform .3s ease, opacity .3s ease; }
.brand-card .name { font-size: 13px; font-weight: 600; color: rgba(255,255,255,.9); }
.brand-card .count { font-size: 11px; color: rgba(255,255,255,.4); margin-top: 2px; }
.brand-card:hover .brand-card-inner .name { color: #fff; }
.brand-card:hover .brand-card-inner .count { color: var(--accent); }
.brands-footer {
  text-align: center;
  margin-top: 12px;
  padding: 16px;
}

/* ===== Why Us (Bento Grid) ===== */
.s-why { background: linear-gradient(135deg, var(--blue-deeper) 0%, var(--blue-dark) 50%, var(--blue) 100%); color: var(--white); }
.s-why .section-header .h2 { color: var(--white); }
.s-why .section-header p { color: rgba(255,255,255,.7); }
.why-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.why-item {
  background: rgba(255,255,255,.06); backdrop-filter: blur(8px);
  border-radius: 16px; padding: 32px 24px; text-align: center;
  border: 1px solid rgba(255,255,255,.08);
  transition: all .3s;
}
.why-item:hover { background: rgba(255,255,255,.1); transform: translateY(-3px); border-color: rgba(255,255,255,.15); }
.why-item:first-child { grid-column: 1 / -1; display: grid; grid-template-columns: auto 1fr; gap: 24px; align-items: center; text-align: left; padding: 28px 32px; }
.why-item:first-child .why-num { font-size: 48px; margin-bottom: 0; }
.why-item:first-child .h3 { margin-bottom: 4px; }
.why-num { font-size: 32px; font-weight: 800; margin-bottom: 8px; line-height: 1.1; background: var(--gradient-warm); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.why-item .h3 { margin-bottom: 6px; }
.why-item p { font-size: 13px; color: rgba(255,255,255,.65); line-height: 1.6; }

/* ===== How to Order ===== */
.s-process { background: var(--bg-subtle); }
.process-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.process-step {
  text-align: center; padding: 32px 20px; border-radius: var(--radius-md);
  transition: all .3s; border: 1px solid var(--border);
  background: var(--white);
}
.process-step:hover { box-shadow: 0 12px 36px rgba(0,0,0,.06); transform: translateY(-4px); border-color: var(--blue-light); }
.process-num {
  width: 54px; height: 54px; margin: 0 auto 18px;
  background: var(--gradient-blue); color: var(--white); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 700; box-shadow: 0 6px 16px rgba(30,64,175,.25);
  transition: transform .3s;
}
.process-step:hover .process-num { transform: scale(1.08); }
.process-step:nth-child(2) .process-num { background: var(--gradient-warm); box-shadow: 0 6px 16px rgba(245,158,11,.25); }
.process-step:nth-child(3) .process-num { background: linear-gradient(135deg, var(--color-teal), var(--color-teal-dark)); box-shadow: 0 6px 16px rgba(16,185,129,.25); }
.process-step:nth-child(4) .process-num { background: linear-gradient(135deg, var(--color-violet), var(--color-violet-dark)); box-shadow: 0 6px 16px rgba(139,92,246,.25); }
.process-step .h3 { margin-bottom: 8px; }
.process-step p { font-size: 13px; color: var(--text-light); line-height: 1.6; }

/* ===== CTA ===== */
.s-cta { text-align: center; padding: 80px 0; background: linear-gradient(135deg, var(--blue-deeper) 0%, var(--blue-dark) 50%, var(--blue) 100%); color: var(--white); position: relative; overflow: hidden; }
.s-cta::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(245,158,11,.12) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 50%, rgba(255,255,255,.05) 0%, transparent 50%);
}
.s-cta .container { position: relative; z-index: 1; }
.s-cta .h2 { margin-bottom: 8px; color: var(--white); }
.s-cta p { color: rgba(255,255,255,.7); margin-bottom: 28px; font-size: 15px; max-width: 600px; margin-left: auto; margin-right: auto; }
.s-cta .btn-accent { box-shadow: 0 6px 24px rgba(245,158,11,.4); }

/* ===== Footer ===== */
.footer { background: var(--blue-deeper); color: rgba(255,255,255,.7); padding: 56px 0 32px; }
.footer .container { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; }
.footer h4 { color: var(--white); font-size: 14px; margin-bottom: 16px; }
.footer a { color: rgba(255,255,255,.55); display: block; margin-bottom: 8px; font-size: 13px; transition: color .2s; }
.footer a:hover { color: var(--white); }
.footer .desc { font-size: 13px; line-height: 1.7; margin-bottom: 16px; }
.footer .contact { font-size: 13px; color: rgba(255,255,255,.45); line-height: 1.8; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08); margin-top: 40px; padding-top: 20px;
  display: flex; justify-content: space-between; font-size: 12px; color: rgba(255,255,255,.3);
}

/* ===== Inquiry Cart Panel ===== */
.cart-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 200; }
.cart-overlay.open { display: block; }
.cart-panel {
  position: fixed; top: 0; right: -440px; width: 420px; height: 100%;
  background: var(--white); z-index: 201; transition: right .3s ease;
  display: flex; flex-direction: column; box-shadow: -4px 0 24px rgba(0,0,0,.12);
}
.cart-panel.open { right: 0; }
.cart-header { display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; border-bottom: 1px solid var(--border); }
.cart-header .h3 { font-size: 17px; }
.cart-close { background: none; border: none; font-size: 22px; cursor: pointer; color: var(--text-light); padding: 4px; }
.cart-items { flex: 1; overflow-y: auto; padding: 16px 24px; }
.cart-empty { text-align: center; padding: 48px 0; color: var(--text-light); font-size: 14px; }
.cart-item { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.cart-item-thumb { width: 52px; height: 52px; background: var(--bg-muted); border-radius: 6px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 10px; color: var(--text-light); overflow: hidden; }
.cart-item-thumb img { width: 100%; height: 100%; object-fit: contain; }
.cart-item-info { flex: 1; }
.cart-item-info h4 { font-size: 13px; font-weight: 600; margin-bottom: 2px; }
.cart-item-info .oe { font-size: 11px; color: var(--blue); }
.cart-qty-wrap { display: flex; align-items: center; gap: 6px; }
.cart-qty-btn {
  width: 26px; height: 26px; border: 1px solid var(--border); border-radius: 5px;
  background: var(--white); color: var(--text); font-size: 14px; font-weight: 600;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background .15s; user-select: none; padding: 0; line-height: 1;
}
.cart-qty-btn:hover { background: var(--bg-muted); }
.cart-qty-input {
  width: 44px; height: 26px; border: 1px solid var(--border); border-radius: 5px;
  text-align: center; font-size: 12px; font-weight: 600; color: var(--text);
  font-family: var(--font); -moz-appearance: textfield; outline: none;
}
.cart-qty-input::-webkit-inner-spin-button,
.cart-qty-input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.cart-qty-input:focus { border-color: var(--blue); box-shadow: 0 0 0 2px rgba(30,64,175,.1); }
.cart-qty { display: inline-block; background: var(--blue); color: #fff; font-size: 11px; font-weight: 700; min-width: 22px; text-align: center; padding: 1px 4px; border-radius: 4px; vertical-align: middle; }
.cart-item-del { background: none; border: none; color: #ef4444; font-size: 16px; cursor: pointer; padding: 4px; align-self: flex-start; }
.cart-footer { padding: 16px 24px 24px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 8px; }

/* ===== WhatsApp Float ===== */
.wa-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 99;
  width: 54px; height: 54px; background: var(--green); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,.35); transition: transform .2s;
}
.wa-float:hover { transform: scale(1.08); }

/* ===== Toast ===== */
.toast {
  position: fixed; bottom: 100px; right: 24px; z-index: 300;
  background: var(--blue-deeper); color: var(--white); padding: 12px 20px;
  border-radius: 8px; font-size: 14px;
  opacity: 0; transform: translateY(20px); transition: all .3s; pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }

@media (min-width: 969px) {
  .hero .container {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    text-align: left;
  }
  .hero-content {
    text-align: left;
    flex: 1;
    max-width: 680px;
  }
  .hero-content .hero-btns {
    justify-content: flex-start;
  }
  .hero-content .hero-trust {
    justify-content: flex-start;
  }
  .hero-content p {
    margin-left: 0;
    margin-right: 0;
  }
}

/* ===== Animation Keyframes ===== */

/* Hero title staggered fade-in */
@keyframes heroFadeIn {
  to { opacity: 1; transform: translateY(0); }
}

/* Section divider gradient slide */
@keyframes dividerSlide {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.section-divider {
  background-size: 200% 100%;
  animation: dividerSlide 4s linear infinite;
}

/* Brands section glow pulse */
@keyframes glowPulse {
  0%, 100% { opacity: .6; transform: translateX(-50%) scale(1); }
  50% { opacity: 1; transform: translateX(-50%) scale(1.1); }
}

.s-brands-glow {
  animation: glowPulse 6s ease-in-out infinite;
}

/* ===== Responsive ===== */
@media (max-width: 968px) {
  .hero p { margin: 0 auto 32px; }
  .cat-grid { grid-template-columns: repeat(2,1fr); }
  .prod-grid { grid-template-columns: repeat(2,1fr); }
  .brands-grid { grid-template-columns: repeat(3,1fr); }
  .why-grid { grid-template-columns: repeat(2,1fr); }
  .process-grid { grid-template-columns: repeat(2,1fr); }
  .footer .container { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 600px) {
  .nav > a, .nav-dd-trigger, .nav .cart-btn { display: none; }
  .mobile-toggle { display: flex; }
  .header.mobile-open .nav { display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0; background: var(--white); padding: 16px 24px; border-bottom: 1px solid var(--border); box-shadow: 0 8px 24px rgba(0,0,0,.08); z-index: 99; }
  .header.mobile-open .nav > a,
  .header.mobile-open .nav-dd-trigger,
  .header.mobile-open .nav .cart-btn { display: flex; }
  .header.mobile-open .nav > a { padding: 10px 0; font-size: 15px; }
  .header.mobile-open .nav > a::after { display: none; }
  .header.mobile-open .nav-dd { display: flex; flex-direction: column; width: 100%; }
  .header.mobile-open .nav-dd-trigger { padding: 10px 0; }
  .header.mobile-open .nav-dd-menu { position: static; transform: none; opacity: 1; pointer-events: auto; box-shadow: none; border: none; padding: 0 0 8px 12px; width: 100%; transition: none; }
  .header.mobile-open .nav-dd-products { flex-direction: column; gap: 12px; padding: 12px 0; }
  .header.mobile-open .nav-dd-col { border-right: none; padding: 0; }
  .header.mobile-open .nav-dd-brands { grid-template-columns: repeat(3, 1fr); padding: 8px 0; }
  .header.mobile-open .mobile-toggle span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
  .header.mobile-open .mobile-toggle span:nth-child(2) { opacity: 0; }
  .header.mobile-open .mobile-toggle span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }
  .stats-bar .container { grid-template-columns: repeat(2,1fr); row-gap: 12px; }
  .stat-item { border-right: none; }
  .search-row { flex-direction: column; }
  .cat-grid { grid-template-columns: 1fr; }
  .prod-grid { grid-template-columns: 1fr; }
  .brands-grid { grid-template-columns: repeat(2,1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .why-item:first-child { grid-column: 1; grid-template-columns: 1fr; text-align: center; }
  .process-grid { grid-template-columns: 1fr; }
  .footer .container { grid-template-columns: 1fr; gap: 24px; }
  .cart-panel { width: 100%; right: -100%; }
  .hero { padding: 60px 0 80px; }
  .section { padding: 48px 0; }
}
@media (max-width: 375px) {
  .container { padding: 0 16px; }
  .hero h1 { font-size: 24px; }
  .hero { padding: 40px 0 60px; min-height: auto; }
  .stat-num { font-size: 22px; }
  .search-field { min-width: 100%; }
  .brands-grid { grid-template-columns: repeat(2,1fr); gap: 8px; }
  .brand-card-inner { padding: 12px 8px; }
  .why-item { padding: 24px 16px; }
  .why-item:first-child { padding: 20px; }
  .why-num { font-size: 28px; }
  .footer .container { gap: 16px; }
  .footer { padding: 40px 0 24px; }
  .cart-btn span:not(.cart-count) { display: none; }
}

/* ===== Certifications ===== */
.certs-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; max-width: 720px; margin: 0 auto; }
.cert-card { display: flex; align-items: center; gap: 24px; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 24px; transition: all .3s; }
.cert-card:hover { box-shadow: 0 8px 32px rgba(0,0,0,.06); transform: translateY(-2px); }
.cert-img { width: 100px; height: 100px; flex-shrink: 0; border-radius: 8px; overflow: hidden; background: var(--bg-muted); display: flex; align-items: center; justify-content: center; }
.cert-img img { width: 100%; height: 100%; object-fit: contain; }
.cert-info .h3 { margin-bottom: 4px; font-size: 16px; }
.cert-info p { font-size: 13px; color: var(--text-light); margin: 0; }
@media (max-width: 768px) { .certs-grid { grid-template-columns: 1fr; } .cert-card { flex-direction: column; text-align: center; } }