/* ============================================
   濮阳中龙燃控设备有限公司 - 官方网站
   GEO Optimized | Semantic HTML5 | Responsive
   Professional Industrial Design — No Emoji
   ============================================ */

:root {
  --primary: #1a3a5c;
  --primary-light: #2a5a8c;
  --accent: #e85d24;
  --accent-light: #ff7b45;
  --dark: #0d1b2a;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-600: #64748b;
  --gray-800: #1e293b;
  --white: #ffffff;
  --shadow: 0 4px 24px rgba(0,0,0,.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,.12);
  --radius: 8px;
  --max-width: 1200px;
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ---- Typography ---- */
h1,h2,h3,h4 { color: var(--dark); line-height:1.3; }
h1 { font-size:2.4rem; font-weight:800; letter-spacing:-0.5px; }
h2 { font-size:1.8rem; font-weight:700; margin-bottom:1rem; }
h3 { font-size:1.25rem; font-weight:600; }
p { margin-bottom:1rem; color: var(--gray-600); }

/* ---- Layout ---- */
.container { max-width:var(--max-width); margin:0 auto; padding:0 24px; }
section { padding:80px 0; }
.section-header { text-align:center; margin-bottom:48px; }
.section-header .subtitle {
  display:inline-block;
  background: #fff3ed;
  color: var(--accent);
  font-weight:600;
  font-size:.82rem;
  padding:4px 16px;
  border-radius:20px;
  margin-bottom:12px;
  letter-spacing:2px;
  text-transform:uppercase;
}
.section-header h2 { margin-bottom:8px; }
.section-header .line {
  width:60px; height:3px; background:var(--accent);
  margin:0 auto; border-radius:2px;
}

/* ---- Inline SVG Icons ---- */
.icon-sm {
  display:inline-block; width:20px; height:20px;
  vertical-align:middle; margin-right:6px;
  background-repeat:no-repeat; background-position:center;
  background-size:contain;
}
.icon-md {
  display:inline-block; width:28px; height:28px;
  vertical-align:middle; margin-right:8px;
  background-repeat:no-repeat; background-position:center;
  background-size:contain;
}
.icon-lg {
  display:block; width:44px; height:44px;
  margin-bottom:16px;
  background-repeat:no-repeat; background-position:center;
  background-size:contain;
}

/* SVG icon backgrounds (data URIs) */
.icon-phone    { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e85d24' stroke-width='2'%3E%3Cpath d='M22 16.92v3a2 2 0 01-2.18 2 19.79 19.79 0 01-8.63-3.07 19.5 19.5 0 01-6-6A19.79 19.79 0 012.12 4.18 2 2 0 014.11 2h3a2 2 0 012 1.72c.127.96.361 1.903.7 2.81a2 2 0 01-.45 2.11L8.09 9.91a16 16 0 006 6l1.27-1.27a2 2 0 012.11-.45c.907.339 1.85.573 2.81.7A2 2 0 0122 16.92z'/%3E%3C/svg%3E"); }
.icon-email    { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e85d24' stroke-width='2'%3E%3Cpath d='M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z'/%3E%3Cpolyline points='22,6 12,13 2,6'/%3E%3C/svg%3E"); }
.icon-location { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e85d24' stroke-width='2'%3E%3Cpath d='M21 10c0 7-9 13-9 13s-9-6-9-13a9 9 0 0118 0z'/%3E%3Ccircle cx='12' cy='10' r='3'/%3E%3C/svg%3E"); }
.icon-company  { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e85d24' stroke-width='2'%3E%3Crect x='4' y='2' width='16' height='20' rx='1'/%3E%3Cline x1='9' y1='6' x2='9' y2='10'/%3E%3Cline x1='15' y1='6' x2='15' y2='10'/%3E%3Cline x1='9' y1='14' x2='9' y2='18'/%3E%3Cline x1='15' y1='14' x2='15' y2='18'/%3E%3Cline x1='4' y1='22' x2='20' y2='22'/%3E%3C/svg%3E"); }
.icon-person   { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e85d24' stroke-width='2'%3E%3Cpath d='M20 21v-2a4 4 0 00-4-4H8a4 4 0 00-4 4v2'/%3E%3Ccircle cx='12' cy='7' r='4'/%3E%3C/svg%3E"); }
.icon-bank     { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e85d24' stroke-width='2'%3E%3Crect x='2' y='5' width='20' height='14' rx='2'/%3E%3Cline x1='2' y1='10' x2='22' y2='10'/%3E%3C/svg%3E"); }
.icon-credential { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e85d24' stroke-width='2'%3E%3Cpath d='M14 2H6a2 2 0 00-2 2v16a2 2 0 002 2h12a2 2 0 002-2V8z'/%3E%3Cpolyline points='14 2 14 8 20 8'/%3E%3Cline x1='16' y1='13' x2='8' y2='13'/%3E%3Cline x1='16' y1='17' x2='8' y2='17'/%3E%3C/svg%3E"); }

/* Card icon variants */
.icon-fire     { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23e85d24' stroke='%23e85d24' stroke-width='1'%3E%3Cpath d='M8.5 14.5A2.5 2.5 0 0011 12c0-1.38-.5-2-1-3-1.07-2.14-.22-4.79 0-6 .07-.36.3-.67.6-.82.35-.18.8-.13 1.1.17C14.87 5.35 17 9.5 15 14c-.55 1.27-1.95 2-3.5 2-1.5 0-2.5-.73-3-1.5z'/%3E%3C/svg%3E"); }
.icon-spark    { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e85d24' stroke-width='2'%3E%3Cpolygon points='13 2 3 14 12 14 11 22 21 10 12 10 13 2'/%3E%3C/svg%3E"); }
.icon-check    { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232a5a8c' stroke-width='2.5'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E"); }
.icon-tool     { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232a5a8c' stroke-width='2'%3E%3Cpath d='M14.7 6.3a1 1 0 000 1.4l1.6 1.6a1 1 0 001.4 0l3.77-3.77a6 6 0 01-7.94 7.94l-6.91 6.91a2.12 2.12 0 01-3-3l6.91-6.91a6 6 0 017.94-7.94l-3.76 3.76z'/%3E%3C/svg%3E"); }
.icon-shield   { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232a5a8c' stroke-width='2'%3E%3Cpath d='M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z'/%3E%3C/svg%3E"); }
.icon-target   { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e85d24' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Ccircle cx='12' cy='12' r='6'/%3E%3Ccircle cx='12' cy='12' r='2'/%3E%3C/svg%3E"); }
.icon-graduate { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232a5a8c' stroke-width='2'%3E%3Cpath d='M22 10v6M2 10l10-5 10 5-10 5z'/%3E%3Cpath d='M6 12v5c0 2 3 3 6 3s6-1 6-3v-5'/%3E%3C/svg%3E"); }
.icon-refresh  { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e85d24' stroke-width='2'%3E%3Cpolyline points='23 4 23 10 17 10'/%3E%3Cpath d='M20.49 15a9 9 0 11-2.12-9.36L23 10'/%3E%3C/svg%3E"); }
.icon-search   { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232a5a8c' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E"); }
.icon-clock    { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e85d24' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpolyline points='12 6 12 12 16 14'/%3E%3C/svg%3E"); }
.icon-system   { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232a5a8c' stroke-width='2'%3E%3Crect x='2' y='3' width='20' height='14' rx='2'/%3E%3Cline x1='8' y1='21' x2='16' y2='21'/%3E%3Cline x1='12' y1='17' x2='12' y2='21'/%3E%3C/svg%3E"); }
.icon-crane    { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232a5a8c' stroke-width='2'%3E%3Cpath d='M4 20h16'/%3E%3Cpath d='M8 20V10'/%3E%3Cpath d='M4 10h8'/%3E%3Ccircle cx='8' cy='8' r='2'/%3E%3C/svg%3E"); }
.icon-comm     { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232a5a8c' stroke-width='2'%3E%3Cpath d='M22 12h-4l-3 9L9 3l-3 9H2'/%3E%3C/svg%3E"); }
.icon-cog      { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232a5a8c' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3Cpath d='M19.4 15a1.65 1.65 0 00.33 1.82l.06.06a2 2 0 010 2.83 2 2 0 01-2.83 0l-.06-.06a1.65 1.65 0 00-1.82-.33 1.65 1.65 0 00-1 1.51V21a2 2 0 01-2 2 2 2 0 01-2-2v-.09A1.65 1.65 0 009 19.4a1.65 1.65 0 00-1.82.33l-.06.06a2 2 0 01-2.83 0 2 2 0 010-2.83l.06-.06A1.65 1.65 0 004.68 15a1.65 1.65 0 00-1.51-1H3a2 2 0 01-2-2 2 2 0 012-2h.09A1.65 1.65 0 004.6 9a1.65 1.65 0 00-.33-1.82l-.06-.06a2 2 0 010-2.83 2 2 0 012.83 0l.06.06A1.65 1.65 0 009 4.68a1.65 1.65 0 001-1.51V3a2 2 0 012-2 2 2 0 012 2v.09a1.65 1.65 0 001 1.51 1.65 1.65 0 001.82-.33l.06-.06a2 2 0 012.83 0 2 2 0 010 2.83l-.06.06A1.65 1.65 0 0019.4 9a1.65 1.65 0 001.51 1H21a2 2 0 012 2 2 2 0 01-2 2h-.09a1.65 1.65 0 00-1.51 1z'/%3E%3C/svg%3E"); }
.icon-lightbulb { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e85d24' stroke-width='2'%3E%3Cpath d='M9 18h6'/%3E%3Cpath d='M10 22h4'/%3E%3Cpath d='M15.09 14c.18-.98.65-1.74 1.41-2.5A4.65 4.65 0 0018 8 6 6 0 006 8c0 1 .23 2.23 1.5 3.5A4.61 4.61 0 018.91 14'/%3E%3C/svg%3E"); }
.icon-doc      { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231a3a5c' stroke-width='1.8'%3E%3Cpath d='M14 2H6a2 2 0 00-2 2v16a2 2 0 002 2h12a2 2 0 002-2V8z'/%3E%3Cpolyline points='14 2 14 8 20 8'/%3E%3Cline x1='16' y1='13' x2='8' y2='13'/%3E%3Cline x1='16' y1='17' x2='8' y2='17'/%3E%3C/svg%3E"); }

/* ---- Navigation ---- */
.nav {
  position:fixed; top:0; left:0; right:0; z-index:1000;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow .3s;
}
.nav.scrolled { box-shadow: var(--shadow); }
.nav .container {
  display:flex; align-items:center; justify-content:space-between;
  height:72px;
}
.nav-logo { display:flex; align-items:center; gap:12px; text-decoration:none; }
.nav-logo img { height:44px; width:auto; }
.nav-logo span { font-weight:700; font-size:1.1rem; color:var(--dark); }
.nav-links { display:flex; gap:32px; list-style:none; }
.nav-links a {
  text-decoration:none; color:var(--gray-600);
  font-size:.92rem; font-weight:500;
  transition:color .2s; position:relative;
}
.nav-links a::after {
  content:''; position:absolute; bottom:-4px; left:0;
  width:0; height:2px; background:var(--accent);
  transition:width .3s;
}
.nav-links a:hover, .nav-links a.active { color:var(--accent); }
.nav-links a:hover::after, .nav-links a.active::after { width:100%; }
.nav-toggle { display:none; background:none; border:none; font-size:1.5rem; cursor:pointer; color:var(--dark); }

/* ---- Navigation Dropdown ---- */
.nav-dropdown { position:relative; }
.nav-dropdown > a { display:flex; align-items:center; gap:4px; }
.dropdown-arrow { font-size:.65rem; transition:transform .2s; }
.nav-dropdown:hover .dropdown-arrow { transform:rotate(180deg); }
.dropdown-menu {
  position:absolute; top:100%; left:50%; transform:translateX(-50%);
  min-width:180px; background:var(--white);
  border:1px solid var(--gray-200); border-radius:8px;
  box-shadow:0 8px 32px rgba(0,0,0,.12);
  padding:8px 0; list-style:none;
  opacity:0; visibility:hidden;
  transition:opacity .2s, visibility .2s, transform .2s;
  transform:translateX(-50%) translateY(-8px);
  z-index:1001;
}
.nav-dropdown:hover .dropdown-menu,
.nav-dropdown.open .dropdown-menu {
  opacity:1; visibility:visible;
  transform:translateX(-50%) translateY(0);
}
.dropdown-menu li { margin:0; }
.dropdown-menu a {
  display:block; padding:10px 20px; color:var(--gray-600);
  font-size:.85rem; white-space:nowrap;
  transition:background .15s, color .15s;
}
.dropdown-menu a:hover { background:var(--gray-50); color:var(--accent); }
/* Mobile dropdown */
@media (max-width: 900px) {
  .dropdown-menu {
    position:static; transform:none; box-shadow:none;
    border:none; padding:0 0 0 16px;
    opacity:1; visibility:visible;
    display:none;
  }
  .nav-dropdown.open .dropdown-menu { display:block; }
  .nav-dropdown > a { justify-content:space-between; }
}

/* ---- Hero ---- */
.hero {
  margin-top:72px;
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 50%, #1a4a6e 100%);
  color: var(--white);
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute;
  top: -50%; right: -20%; width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(232,93,36,.15) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: ''; position: absolute;
  bottom: -30%; left: -10%; width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,.03) 0%, transparent 70%);
  border-radius: 50%;
}
.hero .container { position:relative; z-index:1; }
.hero h1 { color:var(--white); font-size:3rem; margin-bottom:16px; }
.hero h1 span { color:var(--accent-light); }
.hero .hero-desc { color:rgba(255,255,255,.75); font-size:1.15rem; max-width:620px; margin-bottom:32px; line-height:1.8; }
.hero-stats { display:flex; gap:40px; flex-wrap:wrap; margin-bottom:40px; }
.hero-stat { text-align:center; }
.hero-stat .num { font-size:2.2rem; font-weight:800; color:var(--accent-light); display:block; }
.hero-stat .label { font-size:.85rem; color:rgba(255,255,255,.6); margin-top:4px; }
.btn {
  display:inline-block; padding:14px 36px; border-radius:6px;
  font-weight:600; font-size:.95rem; text-decoration:none;
  transition: all .3s; cursor:pointer; border:none;
}
.btn-primary { background:var(--accent); color:#fff; }
.btn-primary:hover { background:var(--accent-light); transform:translateY(-2px); box-shadow:0 8px 24px rgba(232,93,36,.35); }
.btn-outline { border:2px solid rgba(255,255,255,.3); color:#fff; margin-left:12px; }
.btn-outline:hover { border-color:#fff; background:rgba(255,255,255,.08); }
.btn-query {
  display:inline-block; padding:4px 10px; border-radius:4px;
  font-size:.8rem; font-weight:600; text-decoration:none;
  border:1.5px solid var(--primary); color:var(--primary);
  background:var(--white); white-space:nowrap;
  transition: all .2s;
}
.btn-query:hover { background:var(--primary); color:#fff; }

/* ---- Cards ---- */
.card-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(280px, 1fr)); gap:24px; }
.card {
  background:var(--white); border-radius:var(--radius);
  padding:32px 28px; box-shadow:var(--shadow);
  transition:transform .3s, box-shadow .3s;
  border:1px solid var(--gray-200);
}
.card:hover { transform:translateY(-4px); box-shadow:var(--shadow-lg); }
.card-icon {
  width:52px; height:52px; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:16px;
}
.card-icon.blue  { background:#e8f4fd; }
.card-icon.orange { background:#fff3ed; }
.card-icon.green { background:#eaf7ee; }
.card h3 { margin-bottom:8px; }
.card p { font-size:.92rem; margin-bottom:0; }

/* ---- Product Card ---- */
.product-card {
  background:var(--white); border-radius:var(--radius);
  overflow:hidden; box-shadow:var(--shadow);
  border:1px solid var(--gray-200);
  transition:transform .3s, box-shadow .3s;
}
.product-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-lg); }
.product-card img { width:100%; height:220px; object-fit:contain; background:var(--gray-50); padding:12px; }
.product-card .body { padding:24px; }
.product-card h3 { font-size:1.05rem; margin-bottom:8px; }
.product-card .params { font-size:.82rem; color:var(--gray-600); margin-bottom:12px; }
.product-card .params span { display:inline-block; background:var(--gray-100); padding:2px 10px; border-radius:4px; margin:2px 4px 2px 0; }
.product-card .patent { font-size:.78rem; color:var(--accent); font-weight:600; }

/* ---- Case Card ---- */
.case-card {
  background:var(--white); border-radius:var(--radius);
  padding:28px; box-shadow:var(--shadow);
  border-left:4px solid var(--accent);
}
.case-card h3 { margin-bottom:6px; }
.case-card .client { font-size:.85rem; color:var(--accent); font-weight:600; margin-bottom:8px; }
.case-card p { font-size:.9rem; }

/* ---- Stats Bar ---- */
.stats-bar {
  background:var(--primary);
  padding:48px 0;
}
.stats-bar .container { display:flex; justify-content:space-around; flex-wrap:wrap; gap:24px; }
.stat-item { text-align:center; }
.stat-item .num { font-size:2.5rem; font-weight:800; color:var(--accent-light); }
.stat-item .label { color:rgba(255,255,255,.7); font-size:.9rem; margin-top:4px; }

/* ---- Client Tag Grid ---- */
.client-grid { display:flex; flex-wrap:wrap; gap:16px; justify-content:center; }
.client-tag {
  background:var(--gray-50); border:1px solid var(--gray-200);
  padding:12px 20px; border-radius:var(--radius);
  font-size:.85rem; font-weight:500; color:var(--gray-600);
  transition:all .2s;
}
.client-tag:hover { border-color:var(--accent); color:var(--accent); }

/* ---- Page Banner ---- */
.page-banner {
  margin-top:72px;
  background: linear-gradient(135deg, var(--dark), var(--primary));
  color:var(--white);
  padding:60px 0;
  text-align:center;
}
.page-banner h1 { color:var(--white); font-size:2.4rem; }
.page-banner .breadcrumb { color:rgba(255,255,255,.6); font-size:.88rem; margin-top:8px; }
.page-banner .breadcrumb a { color:rgba(255,255,255,.8); text-decoration:none; }
.page-banner .breadcrumb a:hover { color:var(--accent-light); }

/* ---- Footer ---- */
.footer {
  background:var(--dark);
  color:rgba(255,255,255,.6);
  padding:60px 0 30px;
}
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; margin-bottom:40px; }
.footer h4 { color:var(--white); margin-bottom:16px; font-size:1rem; }
.footer p, .footer a { font-size:.88rem; color:rgba(255,255,255,.5); text-decoration:none; line-height:2; }
.footer a:hover { color:var(--accent-light); }
.footer-bottom {
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:24px; text-align:center; font-size:.82rem;
}

/* ---- Contact Section ---- */
.contact-grid { display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:start; }
.contact-info .item {
  display:flex; gap:12px; margin-bottom:20px; align-items:flex-start;
  padding:12px; border-radius:6px; transition:background .2s;
}
.contact-info .item:hover { background:var(--gray-50); }
.contact-info .item .icon-wrap {
  min-width:40px; width:40px; height:40px;
  background:#fff3ed; border-radius:8px;
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
}
.contact-info .item strong { display:block; color:var(--dark); font-size:.92rem; }
.contact-info .item span { font-size:.85rem; color:var(--gray-600); }

/* ---- FAQ ---- */
.faq-item {
  border-bottom:1px solid var(--gray-200);
  padding:20px 0;
}
.faq-item h3 { font-size:1.05rem; cursor:pointer; display:flex; justify-content:space-between; align-items:center; }
.faq-item h3::after {
  content:'+';
  font-size:1.4rem; font-weight:300;
  color:var(--accent);
  width:24px; height:24px;
  display:flex; align-items:center; justify-content:center;
  border:1px solid var(--gray-300);
  border-radius:4px;
  flex-shrink:0; margin-left:12px;
}
.faq-item p { font-size:.92rem; margin-top:8px; display:none; }
.faq-item.open h3::after { content:'\2212'; }
.faq-item.open p { display:block; }

/* ---- Cert Grid ---- */
.cert-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(240px,1fr)); gap:20px; }
.cert-card {
  background:var(--gray-50); border:1px solid var(--gray-200);
  border-radius:var(--radius); padding:24px; text-align:center;
  transition:transform .2s;
}
.cert-card:hover { transform:translateY(-2px); box-shadow:var(--shadow); }
.cert-card .cert-icon { width:40px; height:40px; margin:0 auto 12px; background-size:contain; background-repeat:no-repeat; background-position:center; }
.cert-card .name { font-weight:700; color:var(--dark); margin-bottom:4px; }
.cert-card .detail { font-size:.82rem; color:var(--gray-600); }

/* ---- Team Grid ---- */
.team-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(200px,1fr)); gap:20px; }
.team-card {
  background:var(--white); border:1px solid var(--gray-200);
  border-radius:var(--radius); padding:24px; text-align:center;
  transition:transform .2s;
}
.team-card:hover { transform:translateY(-2px); box-shadow:var(--shadow); }
.team-card .name { font-weight:700; color:var(--dark); }
.team-card .role { font-size:.82rem; color:var(--accent); font-weight:500; margin:4px 0; }
.team-card .exp { font-size:.8rem; color:var(--gray-600); }

/* ---- Timeline ---- */
.timeline { position:relative; padding-left:30px; }
.timeline::before { content:''; position:absolute; left:8px; top:0; bottom:0; width:2px; background:var(--gray-200); }
.timeline-item { position:relative; margin-bottom:32px; }
.timeline-item::before { content:''; position:absolute; left:-26px; top:4px; width:10px; height:10px; border-radius:50%; background:var(--accent); border:2px solid var(--white); box-shadow:0 0 0 3px var(--accent); }
.timeline-item .year { font-weight:700; color:var(--accent); }
.timeline-item h4 { margin:4px 0; }

/* ---- Service Flow ---- */
.flow-steps {
  display:flex; flex-wrap:wrap; gap:8px; justify-content:center;
  max-width:950px; margin:0 auto;
}
.flow-step {
  background:var(--white); padding:20px 18px; border-radius:var(--radius);
  text-align:center; min-width:100px; box-shadow:var(--shadow);
  border:1px solid var(--gray-200);
  flex:0 1 auto;
}
.flow-step .step-num {
  width:28px; height:28px; margin:0 auto 8px;
  background:var(--accent); color:var(--white);
  border-radius:50%; font-size:.8rem; font-weight:700;
  display:flex; align-items:center; justify-content:center;
}
.flow-step strong { font-size:.82rem; color:var(--dark); }
.flow-arrow {
  display:flex; align-items:center; color:var(--accent);
  font-size:1.2rem; font-weight:300; padding:0 2px;
}

/* ---- Form ---- */
.form-group { margin-bottom:16px; }
.form-label { display:block; margin-bottom:6px; font-weight:600; color:var(--dark); font-size:.9rem; }
.form-input, .form-select, .form-textarea {
  width:100%; padding:12px; border:1px solid var(--gray-300);
  border-radius:6px; font-size:.95rem; font-family:inherit;
  transition:border-color .2s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline:none; border-color:var(--accent); box-shadow:0 0 0 3px rgba(232,93,36,.1);
}
.form-textarea { resize:vertical; }

/* ---- CTA Section ---- */
.cta-section {
  background:var(--primary);
  text-align:center;
  padding:60px 0;
}
.cta-section h2 { color:var(--white); }
.cta-section p { color:rgba(255,255,255,.7); font-size:1.1rem; margin-bottom:24px; }
.cta-section .btn-outline { margin-left:12px; }

/* ---- Status Badge ---- */
.status-ok {
  display:inline-block; width:8px; height:8px;
  background:#16a34a; border-radius:50%;
  margin-right:4px;
}

/* ---- Table ---- */
.info-table { width:100%; border-collapse:collapse; }
.info-table td { padding:12px 16px; }
.info-table td:first-child { font-weight:600; color:var(--dark); width:150px; font-size:.9rem; }
.info-table tr { border-bottom:1px solid var(--gray-200); }
.info-table tr:last-child { border-bottom:none; }

/* ---- Product Detail Grid ---- */
.product-detail-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:start;
}
.product-detail-grid img {
  width:100%; height:auto;
  border-radius:var(--radius);
  box-shadow:var(--shadow-lg);
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .nav-links { display:none; position:absolute; top:72px; left:0; right:0; background:var(--white); flex-direction:column; padding:24px; gap:16px; border-bottom:1px solid var(--gray-200); }
  .nav-links.open { display:flex; }
  .nav-toggle { display:block; }
  .hero h1 { font-size:2rem; }
  .hero-stats { gap:20px; }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .contact-grid { grid-template-columns:1fr; }
  .product-detail-grid { grid-template-columns:1fr; }
  .page-banner h1 { font-size:1.8rem; }
  .flow-steps { gap:4px; }
  .flow-step { min-width:80px; padding:14px 10px; }
}
@media (max-width: 480px) {
  .hero h1 { font-size:1.6rem; }
  .hero-stats { gap:16px; }
  .hero-stat .num { font-size:1.6rem; }
  section { padding:48px 0; }
  .footer-grid { grid-template-columns:1fr; }
}