@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;600;700&display=swap');

:root {
  --primary: #0a5f7a;
  --primary-light: #0d7a9e;
  --primary-dark: #053d52;
  --accent: #1db5a3;
  --accent-gold: #c9a227;
  --text: #0f1c2e;
  --text-muted: #5a6b7d;
  --bg: #f4f8fb;
  --bg-alt: #eaf2f7;
  --white: #fff;
  --border: #dce6ef;
  --shadow-sm: 0 2px 8px rgba(10, 95, 122, 0.06);
  --shadow: 0 8px 32px rgba(10, 95, 122, 0.1);
  --shadow-lg: 0 20px 60px rgba(10, 95, 122, 0.14);
  --radius: 10px;
  --radius-lg: 16px;
  --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --header-h: 72px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  color: var(--text);
  line-height: 1.7;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }

img { max-width: 100%; height: auto; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

.top-bar {
  background: linear-gradient(90deg, var(--primary-dark), var(--primary));
  color: rgba(255, 255, 255, 0.9);
  font-size: 13px;
}

.top-bar-inner {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 28px;
  padding: 7px 24px;
}

.top-bar-inner span { display: flex; align-items: center; gap: 6px; }

.nav-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 24px;
  min-height: var(--header-h);
}

.logo { display: flex; align-items: center; flex-shrink: 0; }
.logo:hover { opacity: 0.85; }
.logo-img { height: 46px; width: auto; max-width: 200px; object-fit: contain; }

.nav-menu {
  display: flex;
  list-style: none;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.nav-menu a {
  padding: 8px 16px;
  border-radius: 8px;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  transition: all var(--transition);
  position: relative;
}

.nav-menu a:hover { background: rgba(10, 95, 122, 0.06); color: var(--primary); }

.nav-menu a.active {
  color: var(--primary);
  background: rgba(10, 95, 122, 0.08);
}

.nav-search { display: flex; gap: 0; flex-shrink: 0; }

.nav-search input {
  border: 1px solid var(--border);
  border-right: 0;
  padding: 9px 14px;
  border-radius: 8px 0 0 8px;
  width: 180px;
  font-size: 14px;
  font-family: inherit;
  background: var(--bg);
  transition: border-color var(--transition), background var(--transition);
}

.nav-search input:focus {
  outline: none;
  border-color: var(--primary-light);
  background: var(--white);
}

.nav-search button {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border: none;
  padding: 9px 16px;
  border-radius: 0 8px 8px 0;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  transition: opacity var(--transition);
}

.nav-search button:hover { opacity: 0.9; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  padding: 8px 12px;
  font-size: 22px;
  cursor: pointer;
  border-radius: 8px;
  color: var(--primary-dark);
  line-height: 1;
  margin-left: auto;
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #032a3a 0%, var(--primary-dark) 30%, var(--primary) 65%, #0e8f7f 100%);
}

.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(29, 181, 163, 0.25) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(201, 162, 39, 0.12) 0%, transparent 50%);
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.6;
}

.hero-content {
  position: relative;
  z-index: 1;
  color: #fff;
  padding: 80px 24px;
  max-width: 720px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  backdrop-filter: blur(4px);
}

.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 16px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.hero-slogan {
  font-size: clamp(1rem, 2vw, 1.2rem);
  opacity: 0.92;
  margin-bottom: 36px;
  line-height: 1.7;
  font-weight: 300;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
  font-family: inherit;
}

.btn-primary {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
  background: #f0faf8;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
  color: var(--primary-dark);
}

.btn-outline {
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(4px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}

/* ── Sections ── */
.section { padding: 80px 0; }
.section.bg-light { background: var(--bg); }
.section.bg-gradient { background: linear-gradient(180deg, var(--bg) 0%, var(--white) 100%); }

.section-head { text-align: center; margin-bottom: 48px; }
.section-head.left { text-align: left; }
.section-head.row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  text-align: left;
  gap: 16px;
}

.section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--primary-dark);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-head h2::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--primary-light));
  border-radius: 2px;
  margin-top: 10px;
}

.section-head.center h2::after,
.section-head:not(.left):not(.row) h2::after {
  margin-left: auto;
  margin-right: auto;
}

.section-sub {
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 8px;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 500;
}

.link-more {
  color: var(--primary);
  font-weight: 600;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}

.link-more:hover { gap: 8px; color: var(--accent); }

/* ── Focus cards ── */
.focus-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.focus-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: all var(--transition);
  color: inherit;
  display: block;
  position: relative;
  overflow: hidden;
}

.focus-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.focus-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow);
  transform: translateY(-6px);
}

.focus-card:hover::before { transform: scaleX(1); }

.focus-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(10, 95, 122, 0.08), rgba(29, 181, 163, 0.12));
  border-radius: 14px;
  font-size: 1.8rem;
  margin-bottom: 18px;
}

.focus-card h3 { font-size: 1.1rem; margin-bottom: 4px; color: var(--primary-dark); font-weight: 600; }
.focus-en { font-size: 11px; color: var(--accent); margin-bottom: 10px; letter-spacing: 0.5px; text-transform: uppercase; }
.focus-desc { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

/* ── About preview ── */
.two-col {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text {
  color: var(--text-muted);
  margin: 20px 0 24px;
  line-height: 1.9;
  font-size: 15px;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.stat-item {
  background: var(--white);
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
  border-radius: 4px 0 0 4px;
}

.stat-item:hover { box-shadow: var(--shadow-sm); transform: translateY(-2px); }

.stat-item strong {
  display: block;
  font-size: 1.15rem;
  color: var(--primary-dark);
  font-weight: 700;
  margin-bottom: 4px;
}

.stat-item span { font-size: 13px; color: var(--text-muted); }

.stat-item.highlight {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  border-color: transparent;
  color: #fff;
}

.stat-item.highlight::before { display: none; }
.stat-item.highlight strong { color: #fff; }
.stat-item.highlight span { color: rgba(255, 255, 255, 0.8); }

/* ── Products ── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.product-grid.small { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }

.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  color: inherit;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  box-shadow: var(--shadow);
  border-color: transparent;
  transform: translateY(-4px);
}

.product-img { aspect-ratio: 1; background: var(--bg-alt); overflow: hidden; }
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.product-card:hover .product-img img { transform: scale(1.05); }

.img-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 180px;
  color: #9ab;
  font-size: 14px;
  background: linear-gradient(135deg, #eef4f8, #e4edf4);
}

.img-placeholder.large { min-height: 320px; font-size: 16px; }

.product-info { padding: 18px; flex: 1; display: flex; flex-direction: column; }
.product-cat { font-size: 11px; color: var(--accent); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.product-info h3 { font-size: 15px; margin: 8px 0; line-height: 1.45; flex: 1; font-weight: 600; color: var(--text); }
.product-model { font-size: 13px; color: var(--text-muted); }
.product-price { margin-top: 10px; }
.product-price .market { text-decoration: line-through; color: #aaa; font-size: 13px; margin-right: 8px; }
.product-price .price { color: #d63b4a; font-weight: 700; font-size: 1.1rem; }
.product-price .consult { color: var(--primary); font-weight: 600; }
.product-price.large .price { font-size: 1.5rem; }

/* ── News ── */
.news-list { display: flex; flex-direction: column; gap: 0; }

.news-item {
  display: flex;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
  color: inherit;
  align-items: flex-start;
  transition: background var(--transition);
}

.news-item:first-child { padding-top: 0; }
.news-item:hover { background: rgba(10, 95, 122, 0.02); margin: 0 -16px; padding-left: 16px; padding-right: 16px; border-radius: var(--radius); }
.news-item:hover h3 { color: var(--primary); }

.news-date {
  flex-shrink: 0;
  width: 72px;
  text-align: center;
  background: linear-gradient(135deg, var(--bg), var(--bg-alt));
  border-radius: var(--radius);
  padding: 12px 8px;
  border: 1px solid var(--border);
}

.news-date .day { display: block; font-size: 1.6rem; font-weight: 700; color: var(--primary); line-height: 1; }
.news-date .ym { font-size: 12px; color: var(--text-muted); margin-top: 4px; display: block; }
.news-body h3 { font-size: 1.05rem; margin-bottom: 8px; font-weight: 600; transition: color var(--transition); }
.news-body p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

/* ── Page banner ── */
.page-banner {
  position: relative;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #0e8f7f 100%);
  color: #fff;
  padding: 64px 0;
  text-align: center;
  overflow: hidden;
}

.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 80% 20%, rgba(29, 181, 163, 0.2), transparent);
}

.page-banner .container { position: relative; z-index: 1; }
.page-banner h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); margin-bottom: 10px; font-weight: 700; }
.page-banner p { opacity: 0.88; font-size: 14px; letter-spacing: 2px; text-transform: uppercase; }

/* ── Products layout ── */
.products-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 36px;
  align-items: start;
}

.sidebar {
  background: var(--white);
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  position: sticky;
  top: calc(var(--header-h) + 16px);
}

.sidebar h3 { font-size: 15px; margin-bottom: 16px; color: var(--primary-dark); font-weight: 700; }
.cat-list { list-style: none; }
.cat-list a {
  display: block;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  transition: all var(--transition);
  margin-bottom: 2px;
}

.cat-list a:hover,
.cat-list a.active {
  background: linear-gradient(135deg, rgba(10, 95, 122, 0.08), rgba(29, 181, 163, 0.06));
  color: var(--primary);
  font-weight: 600;
}

.search-hint { color: var(--text-muted); margin-bottom: 20px; font-size: 14px; padding: 12px 16px; background: var(--bg); border-radius: 8px; }
.empty { grid-column: 1 / -1; text-align: center; padding: 64px 24px; color: var(--text-muted); }

.pagination {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: center;
  margin-top: 40px;
  flex-wrap: wrap;
}

.pagination a {
  padding: 10px 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-weight: 500;
  transition: all var(--transition);
}

.pagination a:hover { border-color: var(--primary); background: var(--bg); }

/* ── Product detail ── */
.breadcrumb { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }

.detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.detail-gallery img { border-radius: var(--radius-lg); border: 1px solid var(--border); }
.detail-info h1 { font-size: clamp(1.3rem, 3vw, 1.7rem); margin: 8px 0 12px; font-weight: 700; }
.detail-info .summary { color: var(--text-muted); margin: 16px 0; white-space: pre-line; line-height: 1.9; }

.detail-tabs h2 {
  font-size: 1.2rem;
  margin: 28px 0 14px;
  color: var(--primary-dark);
  border-bottom: 2px solid var(--primary);
  padding-bottom: 8px;
  display: inline-block;
  font-weight: 700;
}

.rich-content { line-height: 1.9; }
.rich-content p { margin-bottom: 14px; }
.rich-content img { max-width: 100%; height: auto; border-radius: var(--radius); margin: 14px 0; display: block; }
.imported-article img { max-width: 100%; height: auto; border-radius: var(--radius); margin: 16px auto; display: block; }
.imported-article blockquote { margin: 16px 0; padding: 14px 18px; background: var(--bg); border-left: 4px solid var(--primary); color: var(--text-muted); border-radius: 0 8px 8px 0; }
.rich-content img[style*="float"] { display: inline-block; margin: 8px 16px 8px 0; max-width: 48%; }
.rich-content ul, .rich-content ol { margin: 12px 0 12px 24px; }
.rich-content h2, .rich-content h3, .rich-content h4 { margin: 24px 0 12px; color: var(--primary-dark); font-weight: 700; }
.rich-content table { width: 100%; max-width: 560px; border-collapse: collapse; margin: 14px 0 20px; font-size: 14px; }
.rich-content th, .rich-content td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
.rich-content th { background: var(--bg); color: var(--primary-dark); font-weight: 600; }

.specs {
  background: var(--bg);
  padding: 18px;
  border-radius: var(--radius);
  white-space: pre-wrap;
  font-family: inherit;
  font-size: 14px;
  border: 1px solid var(--border);
}

.related-title { margin: 36px 0 20px; font-weight: 700; color: var(--primary-dark); }

/* ── About page ── */
.about-hero-text {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.9;
}

.about-stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 48px 0;
}

.about-stat-box {
  text-align: center;
  padding: 32px 20px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.about-stat-box:hover { box-shadow: var(--shadow); transform: translateY(-4px); }

.about-stat-box .num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}

.about-stat-box .label { font-size: 14px; color: var(--text-muted); }

.about-mission {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}

.mission-card {
  padding: 32px 28px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  position: relative;
  overflow: hidden;
}

.mission-card::after {
  content: "";
  position: absolute;
  right: -20px;
  bottom: -20px;
  width: 100px;
  height: 100px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50%;
}

.mission-card.accent { background: linear-gradient(135deg, #0e8f7f, var(--accent)); }
.mission-card.light { background: var(--white); color: var(--text); border: 1px solid var(--border); }
.mission-card.light h3 { color: var(--primary-dark); }
.mission-card.light p { color: var(--text-muted); }

.mission-card h3 { font-size: 1.1rem; margin-bottom: 12px; font-weight: 700; position: relative; z-index: 1; }
.mission-card p { font-size: 14px; line-height: 1.7; opacity: 0.92; position: relative; z-index: 1; }

.about-section-title {
  text-align: center;
  margin-bottom: 40px;
}

.about-section-title h2 {
  font-size: 1.6rem;
  color: var(--primary-dark);
  font-weight: 700;
  margin-bottom: 8px;
}

.about-section-title p { color: var(--text-muted); font-size: 14px; letter-spacing: 1px; text-transform: uppercase; }

.platform-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-bottom: 56px;
}

.platform-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all var(--transition);
}

.platform-card:hover { box-shadow: var(--shadow); border-color: transparent; }

.platform-card .platform-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border-radius: 10px;
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 16px;
}

.platform-card h3 { font-size: 1.15rem; color: var(--primary-dark); margin-bottom: 14px; font-weight: 700; }
.platform-card ul { list-style: none; margin: 0; }
.platform-card li {
  padding: 8px 0 8px 20px;
  position: relative;
  font-size: 14px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--bg);
}

.platform-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.platform-card li:last-child { border-bottom: none; }

.business-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-bottom: 56px;
}

.business-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  border-left: 4px solid var(--accent);
}

.business-card h3 { color: var(--primary-dark); margin-bottom: 16px; font-weight: 700; font-size: 1.1rem; }
.business-card ul { margin: 0 0 0 18px; }
.business-card li { font-size: 14px; color: var(--text-muted); margin-bottom: 8px; line-height: 1.6; }

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 56px;
}

.advantage-item {
  text-align: center;
  padding: 28px 20px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.advantage-item .adv-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(10, 95, 122, 0.1), rgba(29, 181, 163, 0.15));
  border-radius: 14px;
  font-size: 1.5rem;
}

.advantage-item h4 { font-size: 15px; color: var(--primary-dark); margin-bottom: 8px; font-weight: 600; }
.advantage-item p { font-size: 13px; color: var(--text-muted); line-height: 1.5; }

.location-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.location-card {
  padding: 32px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  border-radius: var(--radius-lg);
  color: #fff;
}

.location-card h3 { font-size: 1rem; margin-bottom: 12px; font-weight: 600; opacity: 0.85; }
.location-card p { font-size: 15px; line-height: 1.7; }

.about-cta {
  text-align: center;
  margin-top: 56px;
  padding: 48px;
  background: var(--bg);
  border-radius: var(--radius-lg);
}

.about-cta h3 { font-size: 1.3rem; color: var(--primary-dark); margin-bottom: 12px; font-weight: 700; }
.about-cta p { color: var(--text-muted); margin-bottom: 24px; }

.about-cta .btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
}

.about-cta .btn-primary:hover { color: #fff; opacity: 0.92; }

/* ── Contact ── */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.contact-card {
  background: var(--white);
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: all var(--transition);
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.contact-card:hover { box-shadow: var(--shadow-sm); border-color: transparent; }
.contact-card.full { grid-column: 1 / -1; }

.contact-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(10, 95, 122, 0.1), rgba(29, 181, 163, 0.12));
  border-radius: 12px;
  font-size: 1.3rem;
}

.contact-card h3 { font-size: 13px; color: var(--text-muted); margin-bottom: 6px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; }
.contact-value { font-size: 1.1rem; font-weight: 600; color: var(--primary-dark); line-height: 1.5; }
.contact-value a { color: var(--primary-dark); }
.contact-value a:hover { color: var(--accent); }
.contact-tip { color: var(--text-muted); font-size: 14px; text-align: center; padding: 20px; background: var(--bg); border-radius: var(--radius); }

/* ── Article ── */
.article h1 { font-size: clamp(1.4rem, 3vw, 1.85rem); margin: 16px 0; font-weight: 700; line-height: 1.35; }
.article-meta { color: var(--text-muted); font-size: 14px; margin-bottom: 28px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }

/* ── Footer ── */
.site-footer {
  background: linear-gradient(180deg, #0c1f2e 0%, #081520 100%);
  color: rgba(255, 255, 255, 0.75);
  margin-top: 0;
}

.footer-main { padding: 64px 0 40px; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr;
  gap: 48px;
}

.footer-col h4 { color: #fff; margin-bottom: 16px; font-size: 1rem; font-weight: 600; }
.footer-col p { line-height: 1.7; font-size: 14px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: rgba(255, 255, 255, 0.7); transition: color var(--transition); }
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
}

.footer-bottom a { color: rgba(255, 255, 255, 0.5); }
.footer-bottom a:hover { color: rgba(255, 255, 255, 0.8); }

/* ── Body scroll lock for mobile nav ── */
body.nav-open { overflow: hidden; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .focus-grid { grid-template-columns: repeat(2, 1fr); }
  .about-stats-row { grid-template-columns: repeat(2, 1fr); }
  .advantage-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --header-h: 60px; }

  .container { padding: 0 16px; }

  .top-bar-inner {
    justify-content: center;
    gap: 16px;
    padding: 6px 16px;
    font-size: 12px;
    flex-wrap: wrap;
  }

  .nav-inner {
    flex-wrap: wrap;
    padding: 10px 16px;
    min-height: auto;
    gap: 0;
  }

  .logo { order: 1; }
  .nav-toggle { display: block; order: 2; }

  .nav-menu {
    display: none;
    order: 4;
    width: 100%;
    flex-direction: column;
    gap: 2px;
    padding: 12px 0;
    border-top: 1px solid var(--border);
    margin-top: 10px;
  }

  .nav-menu.open { display: flex; }

  .nav-menu a {
    padding: 12px 16px;
    font-size: 16px;
    border-radius: 8px;
  }

  .nav-search {
    order: 5;
    width: 100%;
    margin-top: 8px;
    padding-bottom: 4px;
  }

  .nav-search input { flex: 1; width: auto; }

  .hero { min-height: 400px; }
  .hero-content { padding: 56px 16px; }

  .section { padding: 56px 0; }
  .section-head { margin-bottom: 32px; }
  .section-head.row { flex-direction: column; align-items: flex-start; gap: 8px; }

  .focus-grid { grid-template-columns: 1fr; gap: 16px; }
  .focus-card { padding: 24px 20px; }

  .two-col { grid-template-columns: 1fr; gap: 32px; }
  .about-stats { grid-template-columns: 1fr; }

  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .product-info { padding: 14px; }
  .product-info h3 { font-size: 14px; }

  .news-item { flex-direction: column; gap: 12px; padding: 20px 0; }
  .news-item:hover { margin: 0; padding-left: 0; padding-right: 0; }
  .news-date { width: auto; display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; }
  .news-date .day { font-size: 1.2rem; }
  .news-date .ym { margin-top: 0; }

  .page-banner { padding: 48px 0; }

  .products-layout,
  .detail-layout { grid-template-columns: 1fr; gap: 24px; }

  .sidebar { position: static; }

  .about-mission { grid-template-columns: 1fr; }
  .platform-grid,
  .business-grid,
  .location-grid { grid-template-columns: 1fr; }

  .about-stats-row { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .about-stat-box { padding: 24px 16px; }
  .about-stat-box .num { font-size: 1.5rem; }

  .advantage-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }

  .contact-grid { grid-template-columns: 1fr; }
  .contact-card { padding: 24px; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-main { padding: 48px 0 32px; }

  .rich-content img[style*="float"] { max-width: 100%; float: none !important; display: block; margin: 12px 0; }
}

@media (max-width: 480px) {
  .top-bar-inner span:last-child { display: none; }

  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; text-align: center; }

  .product-grid { grid-template-columns: 1fr; }

  .about-stats-row { grid-template-columns: 1fr 1fr; }
  .advantage-grid { grid-template-columns: 1fr; }

  .about-cta { padding: 32px 20px; }
  .platform-card,
  .business-card { padding: 24px 20px; }

  .btn { padding: 12px 24px; }
}
