* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --primary: #1E5AFF; --primary-dark: #0F3FB8; --accent: #FF9E1B;
  --text: #1f2937; --text-light: #6b7280; --bg: #f8f9fb; --bg-section: #f3f5f8;
  --bg-cream: #faf7f0; --border: #e5e7eb; --shadow: 0 4px 12px rgba(0,0,0,0.06);
  --radius: 10px; --max: 1180px;
}
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif; color: var(--text); background: #fff; line-height: 1.7; font-size: 15px; }
a { color: var(--primary); text-decoration: none; transition: color .2s; } a:hover { color: var(--primary-dark); }
.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 880px; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { font-weight: 700; line-height: 1.3; }
.label { display: inline-block; color: var(--primary); font-size: 12px; letter-spacing: 4px; font-weight: 600; text-transform: uppercase; }

/* Header */
.header { position: sticky; top: 0; background: rgba(255,255,255,0.95); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); z-index: 100; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; color: var(--text); }
.logo-mark { width: 32px; height: 32px; border-radius: 6px; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 16px; }
.nav { display: flex; gap: 28px; } .nav a { color: var(--text); font-size: 14.5px; font-weight: 500; } .nav a:hover, .nav a.active { color: var(--primary); }
.menu-toggle { display: none; background: none; border: none; font-size: 24px; cursor: pointer; }

/* Hero */
.hero { padding: 96px 0 56px; background: linear-gradient(135deg, #f0f4ff 0%, #faf7f0 100%); text-align: center; }
.hero h1 { font-size: 44px; margin-bottom: 16px; letter-spacing: 1px; }
.hero h1 .accent { color: var(--primary); }
.hero .lead { color: var(--text-light); font-size: 17px; margin-bottom: 32px; }
.hero .actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

.btn { display: inline-block; padding: 12px 28px; border-radius: var(--radius); font-size: 15px; font-weight: 500; transition: all .2s; cursor: pointer; border: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-outline { border: 1.5px solid var(--primary); color: var(--primary); background: #fff; }
.btn-outline:hover { background: var(--primary); color: #fff; }

/* Section */
.section { padding: 72px 0; }
.section-gray { background: var(--bg-section); }
.section-cream { background: var(--bg-cream); }
.section-title { text-align: center; margin-bottom: 48px; }
.section-title h2 { font-size: 32px; margin: 8px 0 12px; }
.section-title p { color: var(--text-light); font-size: 16px; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-item { text-align: center; padding: 24px; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); }
.stat-item h3 { color: var(--primary); font-size: 30px; margin-bottom: 6px; }
.stat-item p { color: var(--text-light); font-size: 14px; }

/* Card */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.card { padding: 28px; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); transition: transform .2s; }
.card:hover { transform: translateY(-4px); }
.card-icon { width: 56px; height: 56px; border-radius: 12px; background: linear-gradient(135deg, var(--primary), #4078ff); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 22px; font-weight: 700; margin-bottom: 16px; }
.card h3 { font-size: 18px; margin-bottom: 10px; }
.card p { color: var(--text-light); font-size: 14px; }

/* Brand cards */
.brand-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.brand-card { display: flex; gap: 20px; padding: 28px; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); }
.brand-card.placeholder { opacity: 0.7; }
.brand-card .logo-mini { width: 64px; height: 64px; flex-shrink: 0; border-radius: 14px; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 26px; font-weight: 700; }
.brand-card .info h3 { font-size: 20px; margin-bottom: 6px; }
.brand-card .tag { display: inline-block; font-size: 12px; padding: 3px 10px; border-radius: 12px; background: #fff5e6; color: var(--accent); margin-bottom: 10px; }
.brand-card .info p { color: var(--text-light); font-size: 14px; margin-bottom: 8px; }
.brand-card .more { display: inline-block; color: var(--primary); font-weight: 500; font-size: 14px; }

/* Business grid */
.business-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.business-card { padding: 28px; background: #fff; border-radius: var(--radius); border: 1px solid var(--border); transition: all .2s; }
.business-card:hover { border-color: var(--primary); box-shadow: var(--shadow); transform: translateY(-2px); }
.business-card .icon { font-size: 32px; font-weight: 700; color: var(--primary); margin-bottom: 14px; }
.business-card h3 { font-size: 17px; margin-bottom: 8px; }
.business-card p { color: var(--text-light); font-size: 14px; line-height: 1.6; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.contact-info { display: flex; flex-direction: column; gap: 18px; }
.contact-item { display: flex; gap: 16px; padding: 20px; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); }
.contact-item .icon { font-size: 28px; }
.contact-item h4 { font-size: 15px; margin-bottom: 6px; }
.contact-item p { color: var(--text-light); font-size: 14px; }

/* Footer */
.footer { background: #1f2937; color: #cbd5e1; padding: 56px 0 0; margin-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; padding-bottom: 36px; }
.footer-col h5 { color: #fff; font-size: 15px; margin-bottom: 14px; font-weight: 600; }
.footer-col ul { list-style: none; } .footer-col ul li { padding: 5px 0; font-size: 14px; }
.footer-col a { color: #cbd5e1; } .footer-col a:hover { color: #fff; }
.footer-brand .desc { font-size: 13px; line-height: 1.7; margin-top: 14px; }
.footer-bottom { border-top: 1px solid #374151; padding: 20px 0; display: flex; justify-content: space-between; align-items: center; font-size: 13px; flex-wrap: wrap; gap: 12px; }
.footer-bottom .beian a { color: #93c5fd; margin-left: 8px; }

/* About */
.about-intro { font-size: 15.5px; line-height: 1.95; color: #374151; margin-bottom: 22px; }
.about-stats-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 32px 0; padding: 24px; background: var(--bg-section); border-radius: var(--radius); }
.about-stats-row .item { text-align: center; }
.about-stats-row .label { font-size: 13px; color: var(--text-light); letter-spacing: 2px; margin-bottom: 8px; }
.about-stats-row .value { font-size: 18px; font-weight: 700; color: var(--primary); }

/* Timeline */
.timeline { position: relative; max-width: 880px; margin: 0 auto; padding: 20px 0; }
.timeline::before { content: ''; position: absolute; left: 80px; top: 0; bottom: 0; width: 2px; background: var(--border); }
.timeline-item { position: relative; padding-left: 130px; margin-bottom: 32px; }
.timeline-item .year { position: absolute; left: 0; top: 0; width: 64px; font-weight: 700; color: var(--primary); font-size: 18px; }
.timeline-item h4 { font-size: 17px; margin-bottom: 6px; }
.timeline-item p { color: var(--text-light); font-size: 14px; }

/* Forms */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.form-control { width: 100%; padding: 11px 14px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; font-family: inherit; }
.form-control:focus { outline: none; border-color: var(--primary); }

/* Table */
.table { width: 100%; border-collapse: collapse; margin: 16px 0; background: #fff; box-shadow: var(--shadow); border-radius: var(--radius); overflow: hidden; }
.table th, .table td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14.5px; }
.table th { background: var(--bg-section); font-weight: 600; color: var(--text); width: 200px; }
.table tr:last-child td { border-bottom: 0; }

/* Mobile */
@media (max-width: 768px) {
  .nav { display: none; } .menu-toggle { display: block; }
  .grid-2, .grid-3, .grid-4, .brand-grid, .contact-grid { grid-template-columns: 1fr; }
  .business-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 30px; }
  .hero { padding: 56px 0 36px; }
}


/* Logo 图片（功127） */
.logo-img { height: 34px; width: auto; max-width: 120px; border-radius: 6px; display: block; }
.footer .logo-img { background: #fff; padding: 3px; }

/* 功269 · 联系我们页公司位置地图（iframe 嵌腾讯地图 URI 页，免 key；下方地址与导航为兜底） */
.contact-map { background:#fff; border-radius:var(--radius); box-shadow:var(--shadow); overflow:hidden; display:flex; flex-direction:column; }
.contact-map .map-frame { width:100%; height:340px; border:0; display:block; background:#eef2f7; }
.contact-map .map-info { padding:18px 20px; border-top:1px solid var(--border); }
.contact-map .map-addr { font-size:14px; color:#1f2937; margin-bottom:12px; line-height:1.6; }
.contact-map .map-actions { display:flex; gap:10px; flex-wrap:wrap; }
.contact-map .map-actions .btn { padding:9px 18px; font-size:14px; }
@media (max-width:768px){ .contact-map .map-frame { height:240px; } .contact-map .map-actions .btn { flex:1; text-align:center; } }