/* ============================================================
   HAX EAS — Public Website Design System
   参照 user-management 配色: 清新、科技感
   字体: 苹果系统字体, 兼容英文
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  /* 主色: 科技蓝 */
  --accent: #2aa8f2;
  --accent-2: #3563d9;
  --accent-3: #12c8a8;
  --accent-gradient: linear-gradient(135deg, #2aa8f2 0%, #3563d9 100%);
  --accent-gradient-soft: linear-gradient(135deg, rgba(42,168,242,.12) 0%, rgba(53,99,217,.12) 100%);

  /* 背景 */
  --bg: #eef3fb;
  --bg-2: #f6f9fe;
  --bg-3: #ffffff;
  --bg-dark: #0f1729;
  --bg-dark-2: #1a2540;

  /* 文字 */
  --txt: #1c2740;
  --txt-dim: #5b6789;
  --txt-mute: #97a1bd;
  --txt-light: #ffffff;

  /* 状态 */
  --ok: #17b98a;
  --warn: #f5a623;
  --danger: #f0506e;

  /* 边框/线条 */
  --line: rgba(80,120,200,.14);
  --line-strong: rgba(56,150,230,.35);

  /* 玻璃态 */
  --glass: rgba(255,255,255,.72);
  --glass-strong: rgba(255,255,255,.88);
  --glass-border: rgba(255,255,255,.6);
  --glass-shadow: 0 8px 32px rgba(31,38,135,.07);

  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(28,39,64,.06);
  --shadow: 0 4px 20px rgba(28,39,64,.08);
  --shadow-lg: 0 12px 40px rgba(28,39,64,.12);
  --shadow-xl: 0 20px 60px rgba(28,39,64,.16);
  --glow: 0 6px 18px rgba(42,168,242,.28);

  /* 圆角 */
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* 间距 */
  --container: 1280px;
  --header-h: 72px;

  /* 字体 */
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
    "Helvetica Neue", "Inter", "Segoe UI", "Roboto", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "SF Mono", ui-monospace, "Roboto Mono", "Menlo", monospace;

  /* 过渡 */
  --t-fast: .18s cubic-bezier(.4,0,.2,1);
  --t: .3s cubic-bezier(.4,0,.2,1);
  --t-slow: .5s cubic-bezier(.4,0,.2,1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  color: var(--txt);
  background: var(--bg-2);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern" 1, "liga" 1, "calt" 1;
  letter-spacing: .1px;
  overflow-x: hidden;
}

a { color: var(--accent-2); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--accent); }

img { max-width: 100%; height: auto; display: block; }

ul, ol { list-style: none; }

button, input, textarea, select {
  font-family: inherit; font-size: inherit; color: inherit;
  border: none; outline: none; background: none;
}

button { cursor: pointer; }

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: rgba(90,130,220,.25); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: rgba(90,130,220,.4); }
::-webkit-scrollbar-track { background: transparent; }

/* ---------- Layout ---------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 80px 0; }
.section--tight { padding: 48px 0; }
.section--dark { background: var(--bg-dark); color: var(--txt-light); }
.section--gradient { background: var(--accent-gradient-soft); }

.text-center { text-align: center; }

/* ---------- Typography ---------- */
.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--txt);
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: -.5px;
}

.section-subtitle {
  text-align: center;
  color: var(--txt-dim);
  font-size: 1.05rem;
  margin-bottom: 48px;
}

.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--accent-gradient);
  border-radius: 3px;
  margin: 14px auto 0;
}

.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .95rem;
  transition: all var(--t);
  white-space: nowrap;
  cursor: pointer;
}

.btn--primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: var(--glow);
}
.btn--primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(42,168,242,.38);
}

.btn--ghost {
  background: var(--glass);
  color: var(--accent-2);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover {
  background: var(--glass-strong);
  color: var(--accent);
  border-color: var(--accent);
}

.btn--outline {
  background: transparent;
  color: var(--accent-2);
  border: 1.5px solid var(--line-strong);
}
.btn--outline:hover {
  border-color: var(--accent);
  background: var(--accent-gradient-soft);
}

.btn--lg { padding: 15px 36px; font-size: 1rem; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: var(--glass-strong);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--line);
  transition: all var(--t);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
  background: rgba(255,255,255,.95);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--txt);
  letter-spacing: -.5px;
}
.logo:hover { color: var(--txt); }
.logo-mark {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  box-shadow: var(--glow);
  flex-shrink: 0;
}

/* Navigation */
.main-nav { display: flex; align-items: center; gap: 4px; }

.main-nav > li > a {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  color: var(--txt);
  font-weight: 500;
  font-size: .95rem;
  border-radius: var(--radius-sm);
  transition: all var(--t-fast);
}

.main-nav > li > a:hover,
.main-nav > li > a.active {
  color: var(--accent);
  background: var(--accent-gradient-soft);
}

.main-nav > li { position: relative; }

.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 200px;
  background: var(--glass-strong);
  backdrop-filter: blur(20px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--t);
}

.main-nav > li:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown a {
  display: block;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  color: var(--txt-dim);
  font-size: .9rem;
  transition: all var(--t-fast);
}
.dropdown a:hover { color: var(--accent); background: var(--accent-gradient-soft); }

.header-right { display: flex; align-items: center; gap: 16px; }

.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;
  background: var(--accent-gradient-soft);
  color: var(--accent-2);
  font-size: .85rem;
  font-weight: 600;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.menu-toggle span {
  width: 24px; height: 2px;
  background: var(--txt);
  border-radius: 2px;
  transition: all var(--t);
}
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero / Banner ---------- */
.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg-dark);
  color: #fff;
  padding-top: var(--header-h);
}

.hero-slider {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  transition: opacity 1s ease;
}
.hero-slide.active { opacity: 1; }

.hero-slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.hero-slide-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15,23,41,.85) 0%, rgba(15,23,41,.5) 50%, rgba(15,23,41,.3) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
}

.hero-slide .hero-content { opacity: 0; transform: translateY(30px); }
.hero-slide.active .hero-content {
  opacity: 1; transform: translateY(0);
  transition: all .8s ease .3s;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -1px;
}
.hero p {
  font-size: 1.2rem;
  color: rgba(255,255,255,.8);
  margin-bottom: 32px;
}
.hero-dots {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
}
.hero-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,.3);
  cursor: pointer;
  transition: all var(--t);
}
.hero-dot.active {
  width: 32px;
  border-radius: 5px;
  background: var(--accent);
}

/* ---------- Cards / Panels ---------- */
.card {
  background: var(--bg-3);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: all var(--t);
  border: 1px solid var(--line);
  overflow: hidden;
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.glass-panel {
  background: var(--glass);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
}

/* ---------- Product Grid ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--bg-3);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line);
  transition: all var(--t);
  cursor: pointer;
}
.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}
.product-card-img {
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--bg);
  position: relative;
}
.product-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow);
}
.product-card:hover .product-card-img img { transform: scale(1.06); }

.product-card-body { padding: 18px 20px 22px; }
.product-card-title {
  font-size: .95rem;
  font-weight: 600;
  color: var(--txt);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-card-summary {
  font-size: .85rem;
  color: var(--txt-mute);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-tag {
  position: absolute;
  top: 12px; left: 12px;
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--glass-strong);
  backdrop-filter: blur(8px);
  color: var(--accent-2);
  font-size: .75rem;
  font-weight: 600;
}

/* ---------- Category Tabs ---------- */
.category-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}
.category-tab {
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  background: var(--bg-3);
  border: 1px solid var(--line);
  color: var(--txt-dim);
  font-weight: 500;
  font-size: .9rem;
  cursor: pointer;
  transition: all var(--t-fast);
}
.category-tab:hover { border-color: var(--line-strong); color: var(--accent-2); }
.category-tab.active {
  background: var(--accent-gradient);
  border-color: transparent;
  color: #fff;
  box-shadow: var(--glow);
}

/* ---------- News List ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 28px;
}
.news-card {
  background: var(--bg-3);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line);
  transition: all var(--t);
}
.news-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.news-card-img { aspect-ratio: 16/9; overflow: hidden; }
.news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow); }
.news-card:hover .news-card-img img { transform: scale(1.05); }
.news-card-body { padding: 20px 22px 24px; }
.news-card-date { font-size: .8rem; color: var(--accent); font-weight: 600; margin-bottom: 8px; }
.news-card-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--txt);
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card-summary {
  font-size: .88rem;
  color: var(--txt-mute);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- Honor Gallery ---------- */
.honor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.honor-card {
  background: var(--bg-3);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line);
  transition: all var(--t);
  text-align: center;
}
.honor-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.honor-card img { width: 100%; aspect-ratio: 3/4; object-fit: cover; }
.honor-card-body { padding: 14px 16px; }
.honor-card-title { font-size: .88rem; color: var(--txt-dim); font-weight: 500; }

/* ---------- About Section ---------- */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-img img { width: 100%; }
.about-text h2 { font-size: 2rem; font-weight: 700; margin-bottom: 20px; }
.about-text p { color: var(--txt-dim); margin-bottom: 16px; line-height: 1.8; }

/* ---------- Factory Gallery ---------- */
.factory-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.factory-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}
.factory-item img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow); }
.factory-item:hover img { transform: scale(1.08); }
.factory-item-label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 16px;
  background: linear-gradient(transparent, rgba(15,23,41,.8));
  color: #fff;
  font-weight: 600;
  font-size: .9rem;
}

/* ---------- Project Showcase ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}
.project-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all var(--t);
}
.project-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.project-card img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow); }
.project-card:hover img { transform: scale(1.06); }
.project-card-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  background: linear-gradient(transparent 40%, rgba(15,23,41,.85));
  color: #fff;
}
.project-card-title { font-size: 1.1rem; font-weight: 600; }

/* ---------- Contact / Form ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.contact-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
}
.contact-info-icon {
  width: 48px; height: 48px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: var(--accent-gradient-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--accent-2);
}
.contact-info-label { font-size: .8rem; color: var(--txt-mute); margin-bottom: 4px; }
.contact-info-value { font-weight: 600; color: var(--txt); }

.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: .88rem; color: var(--txt-dim); margin-bottom: 8px; font-weight: 500; }
.form-input, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-3);
  font-size: .95rem;
  transition: all var(--t-fast);
}
.form-input:focus, .form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(42,168,242,.12);
}
.form-textarea { resize: vertical; min-height: 120px; }

/* ---------- Stats Bar ---------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-item .stat-value {
  font-size: 2.8rem;
  font-weight: 800;
  font-family: var(--font-mono);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}
.stat-item .stat-label { color: rgba(255,255,255,.7); margin-top: 8px; font-size: .95rem; }

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  padding: calc(var(--header-h) + 60px) 0 40px;
  background: var(--bg-dark);
  color: #fff;
  text-align: center;
}
.breadcrumb h1 { font-size: 2.4rem; font-weight: 800; margin-bottom: 12px; }
.breadcrumb-nav { display: flex; justify-content: center; gap: 8px; color: rgba(255,255,255,.6); font-size: .9rem; }
.breadcrumb-nav a { color: rgba(255,255,255,.8); }
.breadcrumb-nav a:hover { color: var(--accent); }

/* ---------- Pagination ---------- */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}
.page-link {
  min-width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--bg-3);
  border: 1px solid var(--line);
  color: var(--txt-dim);
  font-weight: 500;
  font-size: .9rem;
  cursor: pointer;
  transition: all var(--t-fast);
}
.page-link:hover { border-color: var(--accent); color: var(--accent); }
.page-link.active { background: var(--accent-gradient); color: #fff; border-color: transparent; }

/* ---------- Product Detail ---------- */
.product-detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.gallery-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 1;
  background: var(--bg);
}
.gallery-main img { width: 100%; height: 100%; object-fit: contain; }
.gallery-thumbs {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  overflow-x: auto;
  padding-bottom: 4px;
}
.gallery-thumb {
  width: 80px; height: 80px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 2px solid var(--line);
  cursor: pointer;
  transition: all var(--t-fast);
}
.gallery-thumb.active, .gallery-thumb:hover { border-color: var(--accent); }
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }

.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th, .spec-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-size: .92rem;
}
.spec-table th { width: 200px; color: var(--txt-mute); font-weight: 500; background: var(--bg); }
.spec-table td { color: var(--txt); }

.feature-list { display: flex; flex-direction: column; gap: 12px; margin-top: 16px; }
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--txt-dim);
  font-size: .95rem;
}
.feature-list li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

/* ---------- Article (News Detail) ---------- */
.article-header { text-align: center; margin-bottom: 40px; }
.article-title { font-size: 2rem; font-weight: 700; margin-bottom: 16px; }
.article-meta { display: flex; justify-content: center; gap: 20px; color: var(--txt-mute); font-size: .88rem; }
.article-content { max-width: 800px; margin: 0 auto; line-height: 1.9; color: var(--txt-dim); }
.article-content p { margin-bottom: 16px; }
.article-content img { border-radius: var(--radius); margin: 24px 0; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,.7);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand h3 { color: #fff; font-size: 1.3rem; margin-bottom: 16px; }
.footer-brand p { font-size: .9rem; line-height: 1.8; }
.footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; font-weight: 600; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: rgba(255,255,255,.6); font-size: .9rem; }
.footer-col ul li a:hover { color: var(--accent); }
.footer-contact-item { display: flex; gap: 10px; margin-bottom: 14px; font-size: .88rem; }
.footer-contact-item span:first-child { color: var(--accent); }

.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.6);
  font-size: 1.1rem;
  transition: all var(--t-fast);
}
.footer-social a:hover { background: var(--accent-gradient); color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .85rem;
}
.footer-bottom a { color: rgba(255,255,255,.5); }

/* ---------- Floating Widgets ---------- */
.float-widgets {
  position: fixed;
  right: 20px;
  bottom: 40px;
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.float-btn {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--bg-3);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-2);
  font-size: 1.2rem;
  cursor: pointer;
  transition: all var(--t-fast);
  border: 1px solid var(--line);
}
.float-btn:hover { background: var(--accent-gradient); color: #fff; transform: scale(1.1); }
.float-btn--top { opacity: 0; visibility: hidden; }
.float-btn--top.show { opacity: 1; visibility: visible; }

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in-up { animation: fadeInUp .6s ease forwards; }

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-layout, .contact-layout, .product-detail-layout { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: 1fr 1fr; gap: 24px; }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section-title { font-size: 1.6rem; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  .hero { min-height: 480px; }

  .menu-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    bottom: 0;
    background: var(--bg-3);
    flex-direction: column;
    align-items: stretch;
    padding: 24px;
    gap: 4px;
    transform: translateX(100%);
    transition: transform var(--t);
    overflow-y: auto;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav > li > a { padding: 14px 16px; font-size: 1rem; }
  .dropdown {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    background: var(--bg);
    border: none;
    padding: 0 0 0 16px;
    display: none;
  }
  .main-nav > li.expanded .dropdown { display: block; }

  .product-grid, .news-grid, .project-grid { grid-template-columns: 1fr; }
  .honor-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; }
  .stats-bar { grid-template-columns: 1fr 1fr; }
  .stat-item .stat-value { font-size: 2rem; }
  .breadcrumb h1 { font-size: 1.8rem; }
  .lang-switch { display: none; }
}

@media (max-width: 480px) {
  .honor-grid { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: 1fr; }
  .container { padding: 0 16px; }
}