/* ab07 - 深青 | 保安服务企业官网 */
:root {
  --ab-primary: #0f766e;
  --ab-primary-dark: #134e4a;
  --ab-accent: #f59e0b;
  --ab-accent2: #6366f1;
  --ab-bg: #f0fdfa;
  --ab-sub-bg: #ffffff;
  --ab-text: #1e293b;
  --ab-text-2: #475569;
  --ab-muted: #94a3b8;
  --ab-border: #e2e8f0;
}
* { box-sizing: border-box; }
body { font-family: "Microsoft YaHei","PingFang SC",Arial,sans-serif; color: var(--ab-text); margin: 0; background: var(--ab-bg); line-height: 1.6; }
a { color: var(--ab-primary); text-decoration: none; transition: .3s; }
a:hover { color: var(--ab-primary-dark); }

/* Header */
.ab-header { background: #fff; box-shadow: 0 2px 8px rgba(0,0,0,.06); position: sticky; top: 0; z-index: 999; }
.ab-header .navbar { padding: 14px 0; }
.ab-header .logo { display: flex; align-items: center; text-decoration: none; gap: 10px; }
.ab-header .logo-img { max-height: 48px; }
.ab-header .logo-text { font-size: 1.1rem; font-weight: 700; color: var(--ab-primary); }
.ab-header .navbar-nav .nav-link { color: var(--ab-text)!important; font-size: .92rem; font-weight: 500; padding: 10px 14px!important; transition: .3s; }
.ab-header .navbar-nav .nav-link:hover,.ab-header .navbar-nav .nav-link.active { color: var(--ab-primary)!important; }
.ab-header .navbar-nav .dropdown-menu { border: none; border-top: 3px solid var(--ab-primary); box-shadow: 0 6px 20px rgba(0,0,0,.1); }
.ab-header .navbar-nav .dropdown-item { font-size: .88rem; padding: 8px 18px; }
.ab-header .navbar-nav .dropdown-item:hover { background: var(--ab-primary); color: #fff; }

/* Hero Banner */
.ab-hero { position: relative; height: 480px; overflow: hidden; background: var(--ab-primary-dark); }
.ab-hero-bg { position: absolute; inset: 0; background: linear-gradient(135deg, var(--ab-primary-dark) 0%, var(--ab-primary) 50%, var(--ab-primary-dark) 100%); }
.ab-hero-bg::before { content:''; position: absolute; inset: 0; background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="80" height="80"><path d="M0,0 L80,80 M80,0 L0,80" stroke="rgba(255,255,255,.04)" stroke-width="1"/></svg>') repeat; }
.ab-hero-content { position: relative; z-index: 2; height: 100%; display: flex; align-items: center; }
.ab-hero h1 { color: #fff; font-size: 2.4rem; font-weight: 800; margin-bottom: 16px; text-shadow: 0 2px 8px rgba(0,0,0,.2); }
.ab-hero h1 strong { color: var(--ab-accent); }
.ab-hero p { color: rgba(255,255,255,.85); font-size: 1rem; max-width: 640px; margin-bottom: 28px; }
.ab-btn { display: inline-flex; align-items: center; padding: 12px 28px; border-radius: 4px; font-weight: 600; text-decoration: none; transition: .3s; }
.ab-btn-primary { background: var(--ab-accent); color: #fff; }
.ab-btn-primary:hover { opacity: .9; transform: translateY(-2px); color: #fff; }
.ab-btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.5); }
.ab-btn-ghost:hover { background: rgba(255,255,255,.1); color: #fff; }

/* Section */
.ab-section { padding: 60px 0; }
.ab-section.alt { background: var(--ab-sub-bg); }
.ab-section.dark { background: var(--ab-primary-dark); color: #fff; }
.ab-stitle { text-align: center; margin-bottom: 45px; }
.ab-stitle h2 { color: var(--ab-text); font-size: 1.8rem; font-weight: 700; margin: 0 0 10px; }
.ab-section.dark .ab-stitle h2 { color: #fff; }
.ab-stitle p { color: var(--ab-muted); font-size: .95rem; margin: 0; }
.ab-stitle::after { content:''; display: block; width: 50px; height: 3px; background: var(--ab-accent); margin: 14px auto 0; border-radius: 2px; }

/* News */
.ab-news-card { background: #fff; border-radius: 6px; overflow: hidden; border: 1px solid var(--ab-border); transition: .3s; height: 100%; }
.ab-news-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,.08); transform: translateY(-3px); }
.ab-news-card-img { height: 180px; background: linear-gradient(135deg, rgba(99,102,241,.08), rgba(139,92,246,.05)); display: flex; align-items: center; justify-content: center; }
.ab-news-card-img i { font-size: 3rem; color: var(--ab-primary); opacity: .3; }
.ab-news-card-body { padding: 18px; }
.ab-news-card-body h3 { font-size: 1rem; font-weight: 700; color: var(--ab-text); margin-bottom: 6px; }
.ab-news-card-body h3 a { color: var(--ab-text); }
.ab-news-card-body h3 a:hover { color: var(--ab-primary); }
.ab-news-card-body p { font-size: .85rem; color: var(--ab-muted); margin-bottom: 8px; }
.ab-news-card-body time { font-size: .8rem; color: var(--ab-accent); font-weight: 600; }

/* Business Cards */
.ab-biz { padding: 60px 0; background: var(--ab-bg); }
.ab-biz-slider { display: flex; flex-wrap: nowrap; gap: 16px; overflow-x: auto; padding: 0 1rem; scroll-snap-type: x mandatory; }
.ab-biz-slider::-webkit-scrollbar { display: none; }
.ab-biz-card { flex: 0 0 260px; background: #fff; border: 1px solid var(--ab-border); border-radius: 8px; padding: 28px 20px; text-align: center; transition: .3s; scroll-snap-align: start; }
.ab-biz-card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(0,0,0,.08); border-color: var(--ab-accent); }
.ab-biz-card i { font-size: 2.4rem; color: var(--ab-primary); margin-bottom: 14px; }
.ab-biz-card h4 { font-size: 1rem; font-weight: 700; color: var(--ab-text); margin-bottom: 8px; }
.ab-biz-card p { font-size: .85rem; color: var(--ab-text-2); margin: 0; }

/* About */
.ab-about { padding: 60px 0; background: var(--ab-sub-bg); }
.ab-about-img { border-radius: 8px; overflow: hidden; box-shadow: 0 12px 30px rgba(0,0,0,.08); }
.ab-about-img img { width: 100%; height: 340px; object-fit: cover; display: block; }
.ab-about-list { list-style: none; padding: 0; margin-top: 20px; }
.ab-about-list li { padding: 6px 0; color: var(--ab-text-2); position: relative; padding-left: 24px; }
.ab-about-list li::before { content: '✓'; position: absolute; left: 0; color: var(--ab-accent); font-weight: 700; }
.ab-about-num { background: linear-gradient(135deg, var(--ab-primary), var(--ab-primary-dark)); color: #fff; padding: 18px; border-radius: 6px; text-align: center; }
.ab-about-num strong { display: block; font-size: 1.8rem; color: var(--ab-accent); font-weight: 800; }
.ab-about-num span { font-size: .82rem; }

/* Stats */
.ab-stats { background: linear-gradient(135deg, var(--ab-primary-dark), var(--ab-primary)); padding: 50px 0; }
.ab-stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; max-width: 900px; margin: 0 auto; text-align: center; }
.ab-stats-item .num { font-size: 2.2rem; font-weight: 800; color: var(--ab-accent); }
.ab-stats-item .label { font-size: .85rem; color: rgba(255,255,255,.7); margin-top: 4px; }

/* Contact */
.ab-contact { padding: 60px 0; }
.ab-contact-info { background: linear-gradient(135deg, var(--ab-primary), var(--ab-primary-dark)); color: #fff; padding: 36px 28px; border-radius: 8px; height: 100%; }
.ab-contact-info h3 { color: #fff; font-size: 1.3rem; font-weight: 700; margin-bottom: 18px; padding-bottom: 12px; border-bottom: 2px solid var(--ab-accent); }
.ab-contact-info p { color: rgba(255,255,255,.85); margin-bottom: 12px; font-size: .9rem; }
.ab-contact-info i { color: var(--ab-accent); margin-right: 10px; width: 18px; }
.ab-form .form-control { border-radius: 4px; padding: 10px 14px; border: 1px solid #ddd; margin-bottom: 12px; font-size: .9rem; }
.ab-form .form-control:focus { border-color: var(--ab-primary); box-shadow: 0 0 0 .15rem #0f766e33; outline: none; }
.ab-form .btn-submit { background: var(--ab-primary); color: #fff; border: none; padding: 10px 28px; font-weight: 600; border-radius: 4px; transition: .3s; }
.ab-form .btn-submit:hover { background: var(--ab-primary-dark); }

/* Footer */
.ab-footer { background: #0f172a; color: rgba(255,255,255,.7); padding: 50px 0 0; }
.ab-footer h5 { color: #fff; font-size: .95rem; font-weight: 700; margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,.1); position: relative; }
.ab-footer h5::after { content:''; position: absolute; bottom: -1px; left: 0; width: 40px; height: 2px; background: var(--ab-accent); }
.ab-footer ul { list-style: none; padding: 0; }
.ab-footer ul li { padding: 4px 0; font-size: .85rem; }
.ab-footer a { color: rgba(255,255,255,.6); text-decoration: none; transition: .3s; }
.ab-footer a:hover { color: var(--ab-accent); }
.ab-footer .copy { border-top: 1px solid rgba(255,255,255,.08); padding: 18px 0; margin-top: 30px; text-align: center; font-size: .82rem; color: rgba(255,255,255,.4); }

/* Breadcrumb */
.ab-breadcrumb { background: var(--ab-sub-bg); padding: 12px 0; font-size: .85rem; }
.ab-breadcrumb a { color: var(--ab-text-2); text-decoration: none; }
.ab-breadcrumb a:hover { color: var(--ab-primary); }
.ab-breadcrumb span { color: var(--ab-accent); }

/* Pagination */
.ab-pagination { display: flex; justify-content: center; gap: 6px; margin-top: 30px; }
.ab-pagination a,.ab-pagination span { display: inline-block; padding: 8px 14px; background: #fff; border: 1px solid var(--ab-border); color: var(--ab-text-2); text-decoration: none; border-radius: 4px; font-size: .9rem; }
.ab-pagination a:hover,.ab-pagination .active { background: var(--ab-primary); color: #fff; border-color: var(--ab-primary); }

@media (max-width: 768px) {
  .ab-hero { height: 360px; }
  .ab-hero h1 { font-size: 1.5rem; }
  .ab-section { padding: 40px 0; }
  .ab-stats-grid { grid-template-columns: repeat(2,1fr); }
  .ab-biz-card { flex: 0 0 80%; }
}