/* ========================================
   NAVTEK - Maritime Communication Solutions
   Complete Frontend Stylesheet
   ======================================== */

/* ======== Reset & Base ======== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Segoe UI','Helvetica Neue',Arial,sans-serif;line-height:1.6;color:#333;background:#fff;padding-top:70px}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ======== Utilities ======== */
.section-padding{padding:80px 0}
.bg-light{background:#f8f9fb}
.mt-40{margin-top:40px}
.text-center{text-align:center}
.section-label{display:inline-block;font-size:13px;font-weight:700;color:#0066cc;text-transform:uppercase;letter-spacing:2px;margin-bottom:8px}
.section-title{font-size:36px;font-weight:700;color:#0a2a5e;margin-bottom:12px}
.section-subtitle{font-size:17px;color:#666;max-width:600px;margin:0 auto}
.section-header{text-align:center;margin-bottom:56px}

/* ======== Header ======== */
.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,0.98);box-shadow:0 2px 20px rgba(0,0,0,0.08)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:70px}
.header-logo{font-size:28px;font-weight:800;color:#0a2a5e;letter-spacing:2px}
.header-logo span{color:#0066cc}

/* Nav */
.header-nav{display:flex;align-items:center;height:100%}
.nav-item{position:relative;height:100%;display:flex;align-items:center}
.nav-link{font-size:13px;font-weight:600;color:#333;padding:0 14px;display:flex;align-items:center;height:100%;white-space:nowrap;border-bottom:3px solid transparent;transition:all .3s;text-transform:uppercase;letter-spacing:.5px;cursor:pointer}
.nav-link:hover,.nav-link.active{color:#0066cc;border-bottom-color:#0066cc}
.dropdown-arrow{font-size:9px;margin-left:4px;transition:transform .3s}
.nav-item.dropdown-open .dropdown-arrow{transform:rotate(180deg)}
.nav-item:hover .nav-link{color:#0066cc}

/* Dropdown */
.dropdown-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);background:#fff;min-width:220px;border-radius:0 0 8px 8px;box-shadow:0 12px 40px rgba(0,0,0,.12);opacity:0;visibility:hidden;transition:all .25s;padding:10px 0;border-top:3px solid #0066cc;z-index:999}
.dropdown-menu.wide{min-width:280px}
.nav-item.dropdown-open .dropdown-menu{opacity:1;visibility:visible}
.dropdown-item{display:block;padding:10px 24px;font-size:13px;color:#444;transition:all .2s;white-space:nowrap;font-weight:500}
.dropdown-item:hover{color:#0066cc;background:#f0f6ff;padding-left:28px}

.header-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:10px}
.header-toggle span{display:block;width:25px;height:2px;background:#0a2a5e;transition:.3s}

@media (max-width:768px){
  .header-nav{position:fixed;top:70px;left:0;right:0;background:#fff;flex-direction:column;padding:0;box-shadow:0 4px 12px rgba(0,0,0,.1);display:none;max-height:calc(100vh - 70px);overflow-y:auto}
  .header-nav.open{display:flex}
  .nav-item{flex-direction:column;height:auto;border-bottom:1px solid #eee}
  .nav-link{padding:14px 20px;width:100%;justify-content:space-between;height:auto;border-bottom:none;cursor:pointer}
  .nav-link:hover,.nav-link.active{background:#f0f6ff;border-bottom:none}
  .dropdown-menu{position:static;transform:none;box-shadow:none;border-top:none;border-radius:0;min-width:auto;opacity:1;visibility:visible;display:none;background:#f8f9fb;padding:0}
  .nav-item.dropdown-open .dropdown-menu{display:block}
  .dropdown-item{padding:12px 20px 12px 40px;font-size:13px;border-top:1px solid #eee}
  .header-toggle{display:flex}
  .header .container{height:60px}
  body{padding-top:60px}
}

/* ======== Header Search ======== */
.header-search{position:relative;display:flex;align-items:center}
.search-toggle{background:none;border:none;cursor:pointer;padding:8px;color:#333;transition:color .2s;display:flex;align-items:center;z-index:1002}
.search-toggle:hover{color:#0066cc}
.search-drop{position:absolute;top:calc(100% + 4px);right:-8px;width:420px;background:#fff;border-radius:10px;box-shadow:0 12px 48px rgba(0,0,0,.18);opacity:0;visibility:hidden;transform:translateY(-4px);transition:all .2s;z-index:1001;overflow:hidden}
.search-drop.open{opacity:1;visibility:visible;transform:translateY(0)}
.search-bar{display:flex;align-items:center;padding:12px 16px;border-bottom:1px solid #eee}
.search-bar svg{flex-shrink:0;margin-right:10px}
.search-field{flex:1;border:none;outline:none;font-size:15px;color:#333;background:transparent;min-width:0}
.search-field::placeholder{color:#aaa}
.search-close{background:none;border:none;font-size:22px;color:#999;cursor:pointer;line-height:1;padding:0 0 0 8px;transition:color .2s;flex-shrink:0}
.search-close:hover{color:#333}
.search-results{max-height:380px;overflow-y:auto;background:#fff}
.search-empty,.search-loading{padding:28px 20px;text-align:center;color:#999;font-size:13px}
.search-loading{color:#0066cc}
.search-item{display:flex;align-items:flex-start;padding:12px 16px;border-bottom:1px solid #f2f2f2;cursor:pointer;transition:background .12s;gap:12px}
.search-item:last-child{border-bottom:none}
.search-item:hover{background:#f0f6ff}
.search-item .si-icon{flex-shrink:0;margin-top:1px}
.search-item .si-body{flex:1;min-width:0}
.search-item .si-title{font-size:14px;font-weight:600;color:#0a2a5e;margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.search-item .si-desc{font-size:12px;color:#888;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.search-item .si-badge{display:inline-block;font-size:10px;font-weight:600;padding:2px 7px;border-radius:3px;margin-top:3px;text-transform:uppercase}
.si-badge-service{background:#e6f0ff;color:#0066cc}
.si-badge-product{background:#fff3e0;color:#e65100}
.si-badge-datasheet{background:#e8f5e9;color:#2e7d32}
.highlight{color:#0066cc;font-weight:700}

@media (max-width:768px){
  .header-search{margin-right:6px}
  .search-drop{position:fixed;top:60px;left:0;right:0;width:auto;transform:none;border-radius:0;box-shadow:0 8px 24px rgba(0,0,0,.15);max-height:50vh}
  .search-results{max-height: calc(50vh - 48px)}
  .search-toggle{padding:12px}
}

/* ======== Buttons ======== */
.btn{padding:14px 32px;border-radius:6px;font-size:15px;font-weight:600;cursor:pointer;transition:all .3s;display:inline-flex;align-items:center;gap:8px;text-align:center;border:none;line-height:1.4}
.btn:disabled{opacity:.6;cursor:not-allowed}
.btn-primary{background:#0066cc;color:#fff;border:2px solid #0066cc}
.btn-primary:hover{background:#0052a3;border-color:#0052a3;transform:translateY(-1px)}
.btn-outline{background:transparent;color:#0066cc;border:2px solid #0066cc}
.btn-outline:hover{background:#0066cc;color:#fff}
.btn-outline-light{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.5)}
.btn-outline-light:hover{background:#fff;color:#0a2a5e;border-color:#fff}
.btn-danger{background:#dc3545;color:#fff;border:2px solid #dc3545}
.btn-danger:hover{background:#c82333}
.btn-success{background:#25D366;color:#fff}
.btn-block{display:flex;width:100%;justify-content:center}
.btn-sm{padding:10px 22px;font-size:14px}
.btn-lg{padding:16px 40px;font-size:17px}

/* ======== Banner Carousel (Homepage) ======== */
.banner-section{position:relative;min-height:480px;overflow:hidden;background:#0a2a5e}
.banner-swiper{width:100%;height:480px}
.banner-slide-bg{height:480px;background-size:cover;background-position:center;background-repeat:no-repeat}
.banner-overlay{height:100%;background:linear-gradient(180deg,rgba(10,42,94,.5) 0%,rgba(10,42,94,.3) 50%,rgba(10,42,94,.65) 100%);display:flex;align-items:flex-end}
.banner-overlay .container{padding-bottom:72px}
.banner-caption{max-width:700px}
.banner-caption h2{font-size:38px;font-weight:800;color:#fff;margin-bottom:10px;text-shadow:0 2px 12px rgba(0,0,0,.3);letter-spacing:1px}
.banner-caption p{font-size:17px;color:rgba(255,255,255,.85);line-height:1.7;text-shadow:0 1px 6px rgba(0,0,0,.25)}
.banner-swiper .swiper-pagination-bullet{width:12px;height:12px;background:#fff;opacity:.5;transition:all .3s}
.banner-swiper .swiper-pagination-bullet-active{opacity:1;background:#0066cc;width:28px;border-radius:6px}
.banner-swiper .swiper-button-prev,.banner-swiper .swiper-button-next{color:#fff;opacity:.7;transition:opacity .3s;width:48px;height:48px;background:rgba(0,0,0,.25);border-radius:50%;backdrop-filter:blur(4px)}
.banner-swiper .swiper-button-prev:hover,.banner-swiper .swiper-button-next:hover{opacity:1;background:rgba(0,0,0,.4)}
.banner-swiper .swiper-button-prev:after,.banner-swiper .swiper-button-next:after{font-size:18px;font-weight:700}
.banner-swiper .swiper-pagination{bottom:24px}

@media (max-width:768px){
  .banner-section,.banner-swiper,.banner-slide-bg{min-height:380px;height:380px}
  .banner-caption h2{font-size:26px}
  .banner-caption p{font-size:15px}
  .banner-overlay .container{padding-bottom:60px}
  .banner-swiper .swiper-button-prev,.banner-swiper .swiper-button-next{display:none}
}

/* ======== Hero Dual Cards (Fallback when no banners) ======== */
.hero-section{position:relative;min-height:500px;display:flex;align-items:center;background:linear-gradient(135deg,#0a2a5e 0%,#0d3b7a 30%,#0052a3 70%,#0066cc 100%)}
.hero-section::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse at 30% 80%,rgba(0,102,204,.25) 0%,transparent 50%),radial-gradient(circle at 80% 20%,rgba(255,255,255,.04) 0%,transparent 40%);z-index:0}
.hero-section .container{position:relative;z-index:1}
.hero-dual-cards{display:flex;gap:40px;align-items:stretch;padding:40px 0}
.hero-card{flex:1;border-radius:16px;padding:48px 40px;color:#fff;position:relative;overflow:hidden;transition:transform .3s,box-shadow .3s;cursor:pointer}
.hero-card:hover{transform:translateY(-6px);box-shadow:0 20px 60px rgba(0,0,0,.25)}
.hero-card-icon{margin-bottom:20px}
.hero-card-icon svg{color:rgba(255,255,255,.9)}
.hero-card h2{font-size:24px;font-weight:700;margin-bottom:12px;letter-spacing:1px}
.hero-card p{font-size:15px;opacity:.85;margin-bottom:24px;line-height:1.7}
.hero-card .btn{font-size:14px}

@media (max-width:768px){
  .hero-dual-cards{flex-direction:column;gap:20px;padding:20px 0}
  .hero-card{padding:32px 24px}
  .hero-card h2{font-size:20px}
}

/* ======== Service Scope Grid ======== */
.service-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:28px}
.service-grid-card{background:#fff;border-radius:12px;padding:36px 28px;box-shadow:0 4px 24px rgba(0,0,0,.06);transition:all .3s;border:1px solid #eee;text-align:center}
.service-grid-card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(0,0,0,.12);border-color:#0066cc}
.service-card-icon{width:60px;height:60px;margin:0 auto 20px;background:linear-gradient(135deg,#e6f0ff,#cce0ff);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;color:#0066cc;overflow:hidden}
.service-card-icon img{width:100%;height:100%;object-fit:cover}
.service-grid-card h3{font-size:18px;font-weight:700;color:#0a2a5e;margin-bottom:10px}
.service-grid-card p{font-size:14px;color:#666;line-height:1.6;margin-bottom:16px}
.service-card-link{font-size:14px;font-weight:600;color:#0066cc;display:inline-flex;align-items:center;gap:4px}
.service-card-link:hover{color:#0052a3}

/* ======== About Section (Homepage) ======== */
.about-flex{display:flex;align-items:center;gap:60px}
.about-image{flex:1}
.about-image-placeholder{width:100%;min-height:320px;background:linear-gradient(135deg,#e6f0ff,#cce0ff);border-radius:16px;display:flex;align-items:center;justify-content:center}
.about-img{width:100%;max-height:400px;object-fit:cover;border-radius:16px;display:block}
.about-content{flex:1}
.about-text{color:#555;font-size:15px;line-height:1.8;margin:24px 0}
.about-text p{margin-bottom:14px}
.about-stats{display:flex;gap:32px;margin:28px 0}
.stat-item{text-align:center}
.stat-number{display:block;font-size:32px;font-weight:800;color:#0066cc;line-height:1.2}
.stat-label{font-size:13px;color:#888;text-transform:uppercase;letter-spacing:.5px}
@media (max-width:768px){
  .about-flex{flex-direction:column;gap:32px}
  .about-stats{justify-content:center}
}

/* ======== Advantages Grid ======== */
.advantages-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.advantage-card{background:#fff;border-radius:12px;padding:36px 28px;box-shadow:0 4px 20px rgba(0,0,0,.06);border:1px solid #eee;transition:all .3s}
.advantage-card:hover{transform:translateY(-4px);box-shadow:0 8px 32px rgba(0,0,0,.1)}
.advantage-icon{width:52px;height:52px;background:linear-gradient(135deg,#e6f0ff,#cce0ff);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;color:#0066cc;margin-bottom:16px}
.advantage-card h4{font-size:16px;font-weight:700;color:#0a2a5e;margin-bottom:8px}
.advantage-card p{font-size:13px;color:#666;line-height:1.7}
@media (max-width:768px){
  .advantages-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:480px){
  .advantages-grid{grid-template-columns:1fr}
}

/* ======== Partners ======== */
.partners-grid{display:flex;justify-content:center;align-items:center;gap:48px;flex-wrap:wrap}
.partner-item{opacity:.5;transition:all .35s;filter:grayscale(100%)}
.partner-item:hover{opacity:1;filter:grayscale(0);transform:scale(1.05)}
.partner-item img{height:48px;width:auto}
.partner-name{padding:8px 20px;background:#e6f0ff;border-radius:6px;font-size:14px;font-weight:600;color:#0066cc;white-space:nowrap}

/* ======== Contact Section ======== */
.contact-flex{display:flex;gap:60px;align-items:flex-start}
.contact-info{flex:1}
.contact-info-item{display:flex;align-items:flex-start;gap:16px;margin-bottom:28px}
.contact-info-icon{width:44px;height:44px;background:#e6f0ff;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-info-item strong{display:block;font-size:14px;color:#0a2a5e;margin-bottom:2px}
.contact-info-item p{font-size:14px;color:#666}
.contact-social{margin-top:20px}
.social-link{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:8px;font-size:13px;font-weight:600;transition:all .3s}
.social-link.whatsapp{background:#dcf8c6;color:#075e54}
.social-link.whatsapp:hover{background:#c8f0b0}
.urgent-cta-box{background:#fff3cd;border:1px solid #ffc107;border-radius:12px;padding:20px;margin-top:24px}
.urgent-cta-box h4{font-size:15px;color:#856404;margin-bottom:6px}
.urgent-cta-box p{font-size:13px;color:#997404;margin-bottom:12px}

.contact-form-wrapper{flex:1}
.contact-form{background:#fff;padding:36px;border-radius:12px;box-shadow:0 4px 24px rgba(0,0,0,.08);border:1px solid #eee}
.contact-form h3{font-size:20px;font-weight:700;color:#0a2a5e;margin-bottom:24px}
.form-row{display:flex;gap:16px}
.form-group{flex:1;margin-bottom:20px}
.form-group label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:#333}
.form-group input,.form-group textarea{width:100%;padding:12px 16px;border:1px solid #ddd;border-radius:8px;font-size:14px;font-family:inherit;transition:border .3s;background:#fafbfc}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:#0066cc;background:#fff}
.form-group textarea{resize:vertical;min-height:120px}
.form-hint{display:block;margin-top:4px;font-size:12px;color:#888;line-height:1.4}
.form-message{margin-top:12px;font-size:14px;display:none}
.form-message.success{display:block;color:#28a745}
.form-message.error{display:block;color:#dc3545}
@media (max-width:768px){
  .contact-flex{flex-direction:column;gap:40px}
  .form-row{flex-direction:column;gap:0}
}

/* ======== Page Hero (Inner Pages) ======== */
.page-hero{padding:120px 0 60px;text-align:center;color:#fff;position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse at center,rgba(255,255,255,.05) 0%,transparent 70%);z-index:0}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{font-size:42px;font-weight:800;margin-bottom:12px}
.page-hero p{font-size:17px;opacity:.85;max-width:500px;margin:0 auto}
@media (max-width:768px){
  .page-hero{padding:100px 0 48px}
  .page-hero h1{font-size:32px}
}

/* Breadcrumbs */
.breadcrumbs{font-size:13px;opacity:.7;margin-bottom:16px}
.breadcrumbs a{opacity:.8;transition:opacity .3s}
.breadcrumbs a:hover{opacity:1;text-decoration:underline}

/* ======== Detail Page ======== */
.detail-hero{padding:80px 0 40px;text-align:left;background:linear-gradient(135deg,#0a2a5e,#1a5276)}
.detail-hero .hero-subtitle{font-size:16px;opacity:.8;margin-top:8px}
.detail-content{padding-top:48px}
.detail-layout{display:flex;gap:48px}
.detail-body{flex:1;min-width:0}
.detail-description{font-size:15px;color:#444;line-height:1.9}
.detail-description p{margin-bottom:16px}
.detail-cta{background:linear-gradient(135deg,#e6f0ff,#f0f6ff);border-radius:12px;padding:32px;margin-top:40px}
.detail-cta h3{font-size:20px;color:#0a2a5e;margin-bottom:8px}
.detail-cta p{color:#555;margin-bottom:20px}
.detail-cta-buttons{display:flex;gap:12px;flex-wrap:wrap}
.detail-sidebar{width:280px;flex-shrink:0}
.sidebar-card{background:#fff;border-radius:12px;padding:24px;margin-bottom:20px;box-shadow:0 4px 20px rgba(0,0,0,.06);border:1px solid #eee}
.sidebar-card h4{font-size:16px;font-weight:700;color:#0a2a5e;margin-bottom:16px}
.sidebar-nav li{margin-bottom:4px}
.sidebar-nav a{display:block;padding:10px 14px;font-size:14px;color:#555;border-radius:6px;transition:all .2s}
.sidebar-nav a:hover,.sidebar-nav a.active{background:#e6f0ff;color:#0066cc;font-weight:600}
.urgent-card{background:linear-gradient(135deg,#dc3545,#c82333);color:#fff}
.urgent-card h4{color:#fff}
.urgent-card p{font-size:13px;opacity:.9;margin-bottom:12px}
@media (max-width:992px){
  .detail-layout{flex-direction:column}
  .detail-sidebar{width:100%}
}

/* ======== Network Pages ======== */
.network-intro{text-align:center;max-width:750px;margin:0 auto 56px}
.network-intro h2{font-size:32px;color:#0a2a5e;margin-bottom:16px}
.network-intro p{font-size:16px;color:#555;line-height:1.8}
.office-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px}
.office-card{background:#fff;border-radius:12px;padding:32px 28px;box-shadow:0 4px 20px rgba(0,0,0,.06);border:1px solid #eee;transition:all .3s}
.office-card:hover{transform:translateY(-4px);box-shadow:0 8px 32px rgba(0,0,0,.1)}
.office-icon{margin-bottom:16px}
.office-card h3{font-size:18px;font-weight:700;color:#0a2a5e;margin-bottom:8px}
.office-card .badge{display:inline-block;font-size:11px;padding:2px 10px;border-radius:12px;font-weight:600;margin-left:6px}
.badge{background:#0066cc;color:#fff}
.network-stats-bar{display:flex;justify-content:center;gap:64px;margin-top:56px;padding:32px 0;border-top:1px solid #e0e0e0}
.network-stats-bar .stat{text-align:center}
.stat-num{display:block;font-size:36px;font-weight:800;color:#0066cc;line-height:1.2}

/* ======== Global Network Regions ======== */
.region-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.region-card{background:#fff;border-radius:12px;padding:28px;box-shadow:0 4px 20px rgba(0,0,0,.06);border:1px solid #eee}
.region-card h3{font-size:16px;font-weight:700;color:#0a2a5e;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid #0066cc}
.region-card ul li{font-size:13px;color:#555;padding:6px 0;border-bottom:1px solid #f5f5f5}
.region-card ul li:last-child{border-bottom:none}
@media (max-width:992px){
  .region-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:480px){
  .region-grid{grid-template-columns:1fr}
}

/* ======== Urgent Support ======== */
.urgent-hero{background:linear-gradient(135deg,#8b0000,#dc3545)}
.urgent-badge{display:inline-block;font-size:12px;font-weight:800;padding:4px 16px;border-radius:20px;background:rgba(255,255,255,.2);margin-bottom:16px;letter-spacing:1px}
.urgent-grid{display:flex;gap:40px;align-items:stretch}
.urgent-contact-card{flex:1;background:linear-gradient(135deg,#0a2a5e,#0d3b7a);border-radius:16px;padding:40px;color:#fff}
.urgent-contact-card h2{font-size:22px;margin-bottom:24px}
.urgent-contact-list{margin-bottom:8px}
.urgent-contact-item{margin-bottom:20px}
.urgent-contact-item strong{display:block;font-size:12px;text-transform:uppercase;letter-spacing:1px;opacity:.7;margin-bottom:4px}
.urgent-contact-item a,.urgent-contact-item span{font-size:18px;font-weight:600}
.urgent-phone{font-size:24px!important}
.urgent-info-card{flex:1;background:#fff;border-radius:16px;padding:40px;box-shadow:0 4px 24px rgba(0,0,0,.08)}
.urgent-info-card h3{font-size:20px;color:#0a2a5e;margin-bottom:20px}
.urgent-services-list li{padding:12px 0;font-size:15px;color:#333;border-bottom:1px solid #f0f0f0;display:flex;align-items:center;gap:10px}
.urgent-services-list li::before{content:'\2713';color:#28a745;font-weight:700;font-size:15px}
.urgent-note{margin-top:24px;padding:20px;background:#f8f9fb;border-radius:10px;border-left:4px solid #ffc107}
.urgent-note p{font-size:14px;color:#666;line-height:1.7}
@media (max-width:768px){
  .urgent-grid{flex-direction:column}
}

/* ======== Datasheet Grid ======== */
.datasheet-intro{text-align:center;max-width:600px;margin:0 auto 48px;font-size:15px;color:#666;line-height:1.7}
.datasheet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.datasheet-brand-card{border-radius:12px;overflow:hidden;cursor:pointer;transition:all .3s}
.brand-card-inner{background:#fff;border:1px solid #eee;border-radius:12px;padding:36px 28px;text-align:center;transition:all .3s;box-shadow:0 4px 20px rgba(0,0,0,.04)}
.datasheet-brand-card:hover .brand-card-inner{transform:translateY(-4px);box-shadow:0 12px 36px rgba(0,0,0,.1);border-color:#0066cc}
.brand-icon{margin-bottom:20px}
.brand-card-inner h3{font-size:18px;font-weight:700;color:#0a2a5e;margin-bottom:8px}
.brand-card-inner p{font-size:13px;color:#888;margin-bottom:16px}
.brand-link{font-size:14px;font-weight:600;color:#0066cc}
.datasheet-note{text-align:center;margin-top:40px;font-size:14px;color:#888}
.datasheet-note a{color:#0066cc;text-decoration:underline}

/* ======== About Full Page ======== */
.about-full-content{max-width:800px;margin:0 auto}
.about-full-content p{font-size:16px;color:#444;line-height:1.9;margin-bottom:16px}
.about-stats-full{display:flex;justify-content:center;gap:48px;flex-wrap:wrap}
.stat-card{text-align:center;padding:24px 32px;background:#fff;border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.06);border:1px solid #eee}
.about-offices h3{font-size:20px;color:#0a2a5e;margin-bottom:16px}
.office-list li{padding:12px 0;font-size:15px;color:#444;border-bottom:1px solid #eee}
.office-list li:last-child{border-bottom:none}
.office-list strong{color:#0a2a5e}

/* ======== Footer ======== */
.footer{background:#0a1f3d;color:rgba(255,255,255,.75);padding:64px 0 24px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;margin-bottom:48px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;text-transform:uppercase;letter-spacing:.5px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:13px;color:rgba(255,255,255,.6);transition:color .3s}
.footer-col ul li a:hover{color:#0066cc}
.footer-logo{font-size:24px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:1px}
.footer-logo span{color:#0066cc}
.footer-about p{font-size:13px;line-height:1.8;margin-bottom:18px}
.footer-contact-info div{display:flex;align-items:center;gap:8px;font-size:13px;margin-bottom:10px;color:rgba(255,255,255,.6)}
.footer-contact-info svg{flex-shrink:0;opacity:.6}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);font-size:13px}
.footer-bottom-links a{color:rgba(255,255,255,.5);margin-left:20px;transition:color .3s}
.footer-bottom-links a:hover{color:#0066cc}
@media (max-width:992px){
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:480px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px;text-align:center}
}

/* ======== Newsletter ======== */
.newsletter-form{display:flex;border-radius:8px;overflow:hidden;border:1px solid rgba(255,255,255,.2);margin-top:4px}
.newsletter-form input{flex:1;padding:12px 16px;border:none;font-size:13px;background:rgba(255,255,255,.08);color:#fff;outline:none;font-family:inherit}
.newsletter-form input::placeholder{color:rgba(255,255,255,.4)}
.newsletter-form button{padding:12px 16px;background:#0066cc;border:none;color:#fff;cursor:pointer;transition:background .3s;display:flex;align-items:center}
.newsletter-form button:hover{background:#0052a3}

/* ======== Datasheet Brand Sections ======== */
.brand-section{scroll-margin-top:110px}
.brand-section h2{border-bottom:3px solid #0066cc;padding-bottom:12px;margin-bottom:24px;font-size:22px;color:#1a1a2e}
.brand-section h2 span{color:#888;font-size:14px;font-weight:400;margin-left:8px}
.brand-quick-nav a:hover{background:#0066cc!important;color:#fff!important}
.datasheet-empty{padding:24px 28px;background:#f8f9fb;border-radius:10px;color:#666;font-size:14px;text-align:center}
@media (max-width:768px){
  .brand-section{scroll-margin-top:80px}
  .brand-quick-nav{gap:6px}
  .brand-quick-nav a{font-size:12px;padding:5px 12px}
}

/* ======== Product Features ======== */
.product-features{margin-top:32px}
.product-features h3{font-size:22px;color:#0a2a5e;margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid #e8e8e8}
.features-grid{color:#444;font-size:15px;line-height:1.8}
.features-grid ul{padding-left:20px}
.features-grid li{margin-bottom:8px;position:relative}
.features-grid li::before{content:'\2713';color:#0066cc;font-weight:700;margin-right:8px}

/* ======== Animations ======== */
.fade-up{opacity:0;transform:translateY(30px);transition:all .6s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}

/* ======== Products Grid (5 Main Products) ======== */
.products-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:30px;
  margin-top:20px;
}
.product-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border-radius:12px;
  overflow:hidden;
  box-shadow:0 2px 20px rgba(0,0,0,.06);
  transition:all .3s ease;
}
.product-card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(0,0,0,.12)}

/* 有图时：图片 240px 固定高度 */
.product-card-img{overflow:hidden;background:#f0f4f8;flex-shrink:0}
.product-card-img img{width:100%;height:240px;object-fit:cover;display:block;transition:transform .3s}
.product-card:hover .product-card-img img{transform:scale(1.05)}

/* 信息区域：flex 撑满剩余高度，按钮自动贴底 */
.product-card-info{
  padding:28px 24px 24px;
  display:flex;
  flex-direction:column;
  flex:1;
  min-height:200px;
  border-top:1px solid #f0f0f0;
}
.product-card-info h3{
  font-size:18px;
  color:#1a1a2e;
  margin-bottom:10px;
  flex-shrink:0;
  line-height:1.4;
}
.product-card-desc{
  color:#666;
  font-size:14px;
  line-height:1.7;
  margin-bottom:0;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
  flex:1;
}
.product-card .btn{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  margin-top:16px;
  align-self:flex-start;
  flex-shrink:0;
  padding:8px 18px;
  border:1.5px solid #2471a3;
  border-radius:6px;
  color:#2471a3;
  background:transparent;
  transition:all .25s ease;
}
.product-card .btn span{transition:transform .2s}
.product-card .btn:hover{background:#2471a3;color:#fff}
.product-card .btn:hover span{transform:translateX(4px)}

/* 响应式 */
@media (max-width:1024px){
  .products-grid{grid-template-columns:repeat(2, 1fr);gap:24px}
}
@media (max-width:640px){
  .products-grid{grid-template-columns:1fr;gap:20px}
}

/* ======== Product Detail Page ======== */
.detail-hero .breadcrumbs{padding:6px 0;margin-bottom:12px;font-size:14px}
.detail-hero .breadcrumbs a{color:rgba(255,255,255,.7);text-decoration:none}
.detail-hero .breadcrumbs a:hover{color:#fff;text-decoration:underline}
.detail-hero .breadcrumbs span{color:#fff}
.hero-subtitle{color:rgba(255,255,255,.85);font-size:16px;max-width:700px;margin-top:8px;line-height:1.6}

.detail-layout{display:flex;gap:40px;align-items:flex-start}
.detail-body{flex:1;min-width:0}
.detail-sidebar{width:300px;flex-shrink:0}

/* Product Top: Gallery Left / Info Right */
.product-top{display:flex;gap:56px;align-items:flex-start;margin-bottom:48px}
.product-gallery-col{width:55%;max-width:640px;flex-shrink:0}
.product-info-col{flex:1;min-width:0}

/* Product Carousel */
.product-carousel{position:relative;background:#f0f4f8;border-radius:12px;overflow:hidden}
.carousel-viewport{overflow:hidden}
.carousel-track{display:flex;transition:transform .5s ease}
.carousel-slide{min-width:100%}
.carousel-slide img{width:100%;height:auto;display:block;max-height:500px;object-fit:contain}
.carousel-btn{position:absolute;top:50%;transform:translateY(-50%);z-index:5;background:rgba(0,0,0,.35);color:#fff;border:none;width:44px;height:44px;border-radius:50%;font-size:20px;cursor:pointer;transition:background .3s;display:flex;align-items:center;justify-content:center}
.carousel-btn:hover{background:rgba(0,0,0,.6)}
.carousel-prev{left:12px}
.carousel-next{right:12px}
.carousel-dots{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);display:flex;gap:8px}
.dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.5);cursor:pointer;transition:background .3s}
.dot.active{background:#0066cc}

/* Product Info */
.product-title{font-size:36px;font-weight:700;color:#1a1a2e;margin-bottom:10px;line-height:1.2}
.product-subtitle{font-size:16px;color:#666;margin-bottom:24px;line-height:1.6}
.product-description{font-size:15px;line-height:1.9;color:#444;margin-bottom:32px}
.product-description p{margin-bottom:16px}
.product-description img{max-width:100%;height:auto;border-radius:8px}

/* Scenarios Gallery */
.scenarios-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.scenario-card{border-radius:12px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.08);transition:transform .3s,box-shadow .3s}
.scenario-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(0,0,0,.12)}
.scenario-img-wrapper{height:220px;overflow:hidden}
.scenario-img-wrapper img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.scenario-card:hover .scenario-img-wrapper img{transform:scale(1.05)}

/* Recommend Section */
.recommend-section{margin-top:60px;padding-top:48px;border-top:1px solid #eee}
.recommend-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.recommend-card{display:block;border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.06);transition:transform .3s,box-shadow .3s}
.recommend-card:hover{transform:translateY(-4px);box-shadow:0 8px 28px rgba(0,0,0,.12)}
.recommend-img{height:180px;overflow:hidden;background:#f0f4f8}
.recommend-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.recommend-card:hover .recommend-img img{transform:scale(1.06)}
.recommend-info{padding:14px 16px}
.recommend-info h4{font-size:14px;font-weight:600;color:#1a1a2e;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
@media(max-width:768px){.recommend-grid{grid-template-columns:repeat(2,1fr)}.scenarios-gallery{grid-template-columns:1fr}}

/* Product Tabs */
.product-tabs{margin-bottom:32px}
.tab-headers{display:flex;gap:0;border-bottom:2px solid #e8e8e8;margin-bottom:24px}
.tab-btn{background:0 0;border:none;padding:12px 28px;cursor:pointer;font-size:15px;font-weight:600;color:#888;position:relative;transition:color .3s;font-family:inherit}
.tab-btn.active{color:#0066cc}
.tab-btn.active::after{content:'';position:absolute;bottom:-2px;left:0;right:0;height:2px;background:#0066cc}
.tab-panel{display:none}
.tab-panel.active{display:block}
.detail-description{font-size:15px;line-height:1.9;color:#444}
.detail-description p{margin-bottom:16px}
.detail-description h2,.detail-description h3,.detail-description h4{margin:24px 0 14px;color:#1a1a2e}
.detail-description h2:first-child,.detail-description h3:first-child,.detail-description h4:first-child{margin-top:0}
.detail-description table{width:100%;border-collapse:collapse;margin:16px 0;background:#fff}
.detail-description table th,.detail-description table td{padding:12px 16px;border:1px solid #e8e8e8;text-align:left;font-size:14px;vertical-align:top}
.detail-description table thead th{background:#f8f9fb;font-weight:600;color:#1a1a2e}
.detail-description table tbody tr:nth-child(odd) td{background:#fcfcfd}

/* Specs Table */
.specs-table-wrapper{overflow-x:auto}
.specs-table-wrapper table{width:100%;border-collapse:collapse}
.specs-table-wrapper td, .specs-table-wrapper th{padding:12px 16px;border:1px solid #e8e8e8;text-align:left;font-size:14px}
.specs-table-wrapper th{background:#f8f9fb;font-weight:600;color:#1a1a2e;width:30%}
.specs-table-wrapper tr:nth-child(odd) td{background:#fcfcfd}

/* Detail CTA */
.detail-cta{background:linear-gradient(135deg,#f0f6ff,#e8f0fe);border-radius:12px;padding:32px;text-align:center;margin-bottom:24px}
.detail-cta h3{font-size:20px;color:#1a1a2e;margin-bottom:8px}
.detail-cta p{color:#666;margin-bottom:20px;font-size:14px}
.detail-cta-buttons{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* Sub Items Section */
.sub-items-section{margin:40px 0 0}
.sub-items-section h3{font-size:20px;font-weight:700;color:#0a2a5e;margin-bottom:20px}
.sub-items-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.sub-item-card{background:#fff;border-radius:10px;box-shadow:0 2px 12px rgba(0,0,0,.05);border:1px solid #eee;transition:box-shadow .2s,transform .2s;overflow:hidden}
.sub-item-card:hover{box-shadow:0 4px 18px rgba(0,0,0,.1);transform:translateY(-2px)}
.sub-item-link{display:block;text-decoration:none;color:inherit;padding:20px 24px}
.sub-item-link:hover{color:inherit}
.sub-item-link .btn{display:inline-block;margin-top:14px}
.sub-item-img{margin:-20px -24px 16px -24px;overflow:hidden;border-radius:10px 10px 0 0}
.sub-item-img img{width:100%;height:180px;object-fit:cover;display:block}
.sub-item-body h3{font-size:16px;font-weight:700;color:#222;margin-bottom:6px}
.sub-item-subtitle{font-size:13px;color:#0066cc;margin-bottom:8px;font-weight:500}
.sub-item-desc{font-size:13px;color:#666;line-height:1.6}

/* Upcoming Soon Placeholder */
.upcoming-placeholder{text-align:center;padding:60px 20px;background:#f9fafb;border-radius:14px;border:2px dashed #ddd}
.upcoming-badge{max-width:480px;margin:0 auto}
.upcoming-icon{font-size:48px;margin-bottom:16px}
.upcoming-badge h3{font-size:22px;color:#888;margin-bottom:12px;font-weight:600}
.upcoming-badge p{font-size:14px;color:#aaa;line-height:1.7}
.upcoming-badge a{color:#0066cc}

/* Clean Upcoming Only (menu products) */
.upcoming-only-section{padding:120px 20px;text-align:center;min-height:50vh;display:flex;align-items:center;justify-content:center}
.upcoming-only-section .upcoming-badge h2{font-size:36px;color:#1a5276;font-weight:700}

/* Share Section */
.share-section{display:flex;align-items:center;gap:12px;padding:20px 0;border-top:1px solid #f0f0f0;flex-wrap:wrap}
.share-section span{color:#888;font-size:14px}
.share-link{padding:6px 16px;border-radius:6px;font-size:13px;text-decoration:none;transition:all .2s}
.share-link.fb{background:#1877f2;color:#fff}
.share-link.tw{background:#1da1f2;color:#fff}
.share-link.wa{background:#25d366;color:#fff}
.share-link:hover{opacity:.85;transform:translateY(-2px)}

/* Sidebar */
.sidebar-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 2px 12px rgba(0,0,0,.05);margin-bottom:20px}
.sidebar-card h4{font-size:16px;color:#1a1a2e;margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid #f0f0f0}
.sidebar-card p{color:#666;font-size:13px;margin-bottom:14px}
.sidebar-products{display:flex;flex-direction:column;gap:8px}
.sidebar-product-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;text-decoration:none;color:#333;font-size:14px;transition:all .2s}
.sidebar-product-item:hover{background:#f0f6ff}
.sidebar-product-item.active{background:#e6f0ff;color:#0066cc;font-weight:600}
.sidebar-product-thumb{width:40px;height:40px;border-radius:6px;object-fit:cover;background:#f0f4f8}

.btn-outline-light{border:1px solid #d0d0d0;background:#fff;color:#555;padding:6px 16px;border-radius:6px;font-size:13px;text-decoration:none;transition:all .2s;display:inline-block}
.btn-outline-light:hover{border-color:#0066cc;color:#0066cc}

/* Empty State */
.empty-state{padding:80px 20px;text-align:center}
.empty-state p{color:#888;font-size:16px}
.empty-state a{color:#0066cc;text-decoration:underline}

/* ======== Responsive Detail ======== */
@media (max-width:992px){
  .detail-layout{flex-direction:column}
  .detail-sidebar{width:100%}
  .product-top{flex-direction:column;gap:32px}
  .product-gallery-col{width:100%;max-width:none}
  .product-title{font-size:28px}
}
@media (max-width:768px){
  .detail-cta{padding:24px 16px}
  .detail-cta-buttons{flex-direction:column}
  .tab-headers{overflow-x:auto;gap:4px}
  .tab-btn{padding:10px 18px;font-size:14px;white-space:nowrap}
  .gallery-thumb{width:64px;height:64px}
  .product-title{font-size:24px}
}

/* ======== Service Scope Items ======== */
.service-block{margin-bottom:48px}
.service-block-title{font-size:22px;font-weight:700;color:#0a2a5e;margin-bottom:12px;padding-bottom:10px;border-bottom:2px solid #0066cc;display:inline-block}
.service-block-desc{color:#666;font-size:15px;line-height:1.7;margin-bottom:24px}
.service-items-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:24px}
.service-item-card{background:#fff;border:1px solid #e8ecf1;border-radius:12px;padding:24px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;transition:all .3s ease}
.service-item-card:hover{box-shadow:0 8px 24px rgba(0,0,0,.08);border-color:#0066cc;transform:translateY(-4px)}
.service-item-card a,.service-item-inner{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;height:100%;text-decoration:none;color:inherit}
.service-item-card img{max-width:100%;height:auto;max-height:80px;object-fit:contain;margin-bottom:12px}
.service-item-card p{font-size:14px;font-weight:600;color:#333;margin:0}
.service-empty{padding:40px 20px;background:#f8f9fb;border-radius:12px;text-align:center;color:#888;font-size:15px}
.service-empty-state{text-align:center;padding:80px 20px;background:#f8f9fb;border-radius:16px;margin:40px 0}
.service-empty-state h3{font-size:28px;color:#0a2a5e;margin-bottom:16px}
.service-empty-state p{color:#666;font-size:16px;margin-bottom:24px;max-width:560px;margin-left:auto;margin-right:auto}

@media (max-width:1024px){
  .service-items-grid{grid-template-columns:repeat(3, 1fr)}
}
@media (max-width:768px){
  .service-items-grid{grid-template-columns:repeat(2, 1fr);gap:16px}
  .service-block-title{font-size:20px}
}
@media (max-width:480px){
  .service-items-grid{grid-template-columns:1fr}
}