*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,"Microsoft YaHei",sans-serif;color:#2c3e50;background:#f5f5f5;line-height:1.6}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto}
.container{width:92%;max-width:1200px;margin:0 auto}

/* Top Notice */
.top-notice{background:#1a73e8;color:#fff;padding:8px 0;font-size:13px}
.top-notice .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.top-notice .welcome{color:rgba(255,255,255,0.85)}

/* Header */
.header{background:#fff;padding:15px 0;border-bottom:3px solid #1a73e8}
.header .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px}
.logo-icon{width:50px;height:50px;background:linear-gradient(135deg,#1a73e8,#0d47a1);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:bold;color:#fff}
.logo-text h1{font-size:20px;color:#2c3e50}
.logo-text p{font-size:12px;color:#95a5a6}
.header-contact{text-align:right}
.header-contact .phone{font-size:18px;font-weight:bold;color:#e74c3c}
.header-contact .hours{font-size:12px;color:#95a5a6;margin-top:2px}

/* Nav */
.nav{background:#1a73e8;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,0.15)}
.nav .container{display:flex;gap:0}
.nav-item{padding:12px 20px;color:rgba(255,255,255,0.85);font-size:14px;transition:all .3s;display:block}
.nav-item:hover{color:#fff;background:rgba(255,255,255,0.12)}
.nav-item.active{color:#fff;background:rgba(255,255,255,0.15);font-weight:bold}

/* Page Title */
.page-title{background:linear-gradient(135deg,#1a73e8,#0d47a1);color:#fff;padding:35px 0;text-align:center}
.page-title h1{font-size:28px;margin-bottom:6px}
.page-title p{font-size:14px;opacity:0.85}

/* Banner */
.banner{position:relative;height:420px;overflow:hidden}
.banner-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1s}
.banner-slide.active{opacity:1}
.banner-slide::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,115,232,0.85) 0%,rgba(13,71,161,0.7) 100%)}
.banner-content{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;color:#fff;padding:20px;z-index:2}
.banner-content h2{font-size:36px;margin-bottom:15px;text-shadow:0 2px 10px rgba(0,0,0,0.3)}
.banner-content p{font-size:18px;margin-bottom:25px;opacity:0.9}
.banner-btns{display:flex;gap:15px;flex-wrap:wrap;justify-content:center}
.banner-btns a{padding:12px 30px;border-radius:50px;font-size:15px;font-weight:600;transition:all .3s}
.banner-btns .primary{background:#fff;color:#1a73e8}
.banner-btns .primary:hover{transform:translateY(-2px);box-shadow:0 4px 15px rgba(0,0,0,0.2)}
.banner-btns .secondary{background:rgba(255,255,255,0.2);color:#fff;border:2px solid rgba(255,255,255,0.5)}
.banner-btns .secondary:hover{background:rgba(255,255,255,0.3)}
.banner-arrow{position:absolute;top:50%;transform:translateY(-50%);width:50px;height:50px;background:rgba(255,255,255,0.2);border:none;border-radius:50%;color:#fff;font-size:24px;cursor:pointer;transition:all .3s;z-index:10}
.banner-arrow:hover{background:rgba(255,255,255,0.4)}
.banner-arrow.prev{left:20px}
.banner-arrow.next{right:20px}
.banner-dots{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:10}
.banner-dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,0.4);cursor:pointer;transition:all .3s}
.banner-dot.active{background:#fff}

/* Stats Bar */
.stats-bar{background:#fff;padding:30px 0;border-bottom:1px solid #eee}
.stats-bar .container{display:flex;justify-content:space-around;flex-wrap:wrap;gap:15px}
.stat-item{text-align:center;min-width:120px}
.stat-num{font-size:32px;font-weight:bold;color:#1a73e8}
.stat-num small{font-size:18px;color:#e74c3c}
.stat-label{font-size:14px;color:#7f8c8d;margin-top:4px}

/* Sections */
.section{padding:50px 0}
.section-header{text-align:center;margin-bottom:40px}
.section-header h2{font-size:28px;color:#2c3e50;margin-bottom:8px}
.section-header h2 span{display:block;font-size:13px;color:#95a5a6;letter-spacing:3px;font-weight:400;margin-top:4px}
.section-header p{color:#7f8c8d;font-size:15px}

/* Cards */
.card{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,0.05)}
.card-header{background:#f8f9fa;padding:15px 20px;font-weight:bold;color:#2c3e50;font-size:16px;display:flex;justify-content:space-between;align-items:center}
.card-header small{font-size:11px;color:#95a5a6;font-weight:400;letter-spacing:1px}
.card-body{padding:20px}

/* Advantages */
.advantages{background:#fff}
.advantages-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:20px}
.advantage-card{background:#f8f9ff;border-radius:12px;padding:28px;text-align:center;transition:all .3s;border:1px solid #e8eaf6}
.advantage-card:hover{transform:translateY(-4px);box-shadow:0 8px 25px rgba(26,115,232,0.1)}
.advantage-icon{font-size:40px;margin-bottom:14px}
.advantage-card h3{font-size:18px;color:#2c3e50;margin-bottom:10px}
.advantage-card p{font-size:14px;color:#7f8c8d;line-height:1.8;text-align:left}

/* Services */
.services{background:#f8f9ff}
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:20px}
.service-card{background:#fff;border-radius:12px;padding:28px;text-align:center;transition:all .3s;border:1px solid #e8eaf6}
.service-card:hover{transform:translateY(-4px);box-shadow:0 8px 25px rgba(26,115,232,0.1)}
.service-card .icon{font-size:40px;margin-bottom:14px}
.service-card h3{font-size:18px;color:#2c3e50;margin-bottom:10px}
.service-card p{font-size:14px;color:#7f8c8d;line-height:1.8}

/* Cases */
.cases{background:#fff}
.cases-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:20px}
.case-card{background:#f8f9ff;border-radius:12px;overflow:hidden;transition:all .3s;cursor:pointer;border:1px solid #e8eaf6}
.case-card:hover{transform:translateY(-4px);box-shadow:0 8px 25px rgba(0,0,0,0.1)}
.case-img{width:100%;height:200px;background-size:cover;background-position:center;position:relative}
.case-tag{position:absolute;top:12px;left:12px;background:#1a73e8;color:#fff;padding:3px 12px;border-radius:20px;font-size:12px}
.case-info{padding:18px}
.case-info h4{font-size:17px;color:#2c3e50;margin-bottom:6px}
.case-info p{font-size:13px;color:#7f8c8d;margin-bottom:8px}
.case-meta{font-size:12px;color:#95a5a6}

/* News + Sidebar (dual column) */
.dual-column{background:#fff}
.dual-column .container{display:grid;grid-template-columns:1fr 320px;gap:30px}
.news-list{max-width:100%}
.news-item{display:flex;gap:15px;padding:12px 0;border-bottom:1px solid #eee;align-items:center}
.news-date{flex-shrink:0;text-align:center;width:50px}
.news-date .day{display:block;font-size:22px;font-weight:bold;color:#1a73e8}
.news-date .month{font-size:11px;color:#95a5a6}
.news-info{flex:1;display:flex;justify-content:space-between;align-items:center}
.news-info a{font-size:14px;color:#2c3e50;transition:color .3s}
.news-info a:hover{color:#1a73e8}
.news-info .category{font-size:11px;color:#95a5a6;padding:2px 10px;background:#f0f0f0;border-radius:10px}

/* Sidebar widgets */
.sidebar{display:flex;flex-direction:column;gap:20px}
.sidebar-menu a{display:block;padding:12px 18px;border-bottom:1px solid #f0f0f0;color:#2c3e50;font-size:14px;transition:all .3s}
.sidebar-menu a:hover{background:#f8f9ff;color:#1a73e8;padding-left:22px}
.sidebar-contact{padding:20px}
.sidebar-contact strong{display:block;font-size:16px;color:#2c3e50;margin-bottom:15px}
.sidebar-contact p{font-size:14px;color:#555;margin-bottom:8px}
.sidebar-contact .btn{display:inline-block;margin-top:15px;padding:10px 20px;background:linear-gradient(135deg,#1a73e8,#0d47a1);color:#fff;border-radius:8px;font-size:14px;font-weight:600}

/* Contact */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:25px}
.contact-info-box{background:#fff;border-radius:12px;padding:30px;box-shadow:0 2px 10px rgba(0,0,0,0.05)}
.contact-info-box h3{font-size:20px;color:#2c3e50;margin-bottom:20px;padding-bottom:10px;border-bottom:2px solid #1a73e8}
.contact-info-box p{font-size:14px;color:#555;margin-bottom:10px;line-height:1.8}

/* FAQ */
.faq-item{background:#fff;border-radius:10px;padding:20px 24px;margin-bottom:12px;box-shadow:0 2px 10px rgba(0,0,0,0.05)}
.faq-item h3{font-size:16px;color:#1a73e8;margin-bottom:8px}
.faq-item p{font-size:14px;color:#666;line-height:1.8}

/* News detail */
.news-detail{max-width:800px;margin:0 auto;background:#fff;border-radius:12px;padding:30px;box-shadow:0 2px 10px rgba(0,0,0,0.05)}

/* Detail content */
.detail-content{font-size:15px;color:#555;line-height:2}

/* Buttons */
.more-btn{display:inline-block;margin-top:25px;padding:10px 28px;background:linear-gradient(135deg,#1a73e8,#0d47a1);color:#fff;border-radius:50px;font-size:14px;font-weight:600;transition:all .3s}
.more-btn:hover{transform:translateY(-2px);box-shadow:0 4px 15px rgba(26,115,232,0.3)}

/* Footer */
.footer{background:#1a73e8;color:#fff;padding:40px 0 20px}
.footer .container{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:25px;margin-bottom:20px}
.footer h4{font-size:16px;margin-bottom:14px;padding-bottom:6px;border-bottom:1px solid rgba(255,255,255,0.2)}
.footer p,.footer a{font-size:13px;color:rgba(255,255,255,0.75);line-height:2}
.footer a:hover{color:#fff}
.footer ul{list-style:none}
.footer-bottom{text-align:center;padding-top:15px;border-top:1px solid rgba(255,255,255,0.15);font-size:12px;color:rgba(255,255,255,0.5)}

/* Fixed sidebar */
.sidebar-fixed{position:fixed;right:20px;bottom:100px;z-index:99;display:flex;flex-direction:column;gap:8px}
.sidebar-btn{width:45px;height:45px;background:linear-gradient(135deg,#1a73e8,#0d47a1);color:#fff;border:none;border-radius:50%;font-size:18px;cursor:pointer;transition:all .3s;box-shadow:0 3px 10px rgba(0,0,0,0.2);display:flex;align-items:center;justify-content:center}
.sidebar-btn:hover{background:#e74c3c;transform:scale(1.1)}

/* Utilities */
.highlight{color:#e74c3c;font-weight:bold}

/* Page Banner (for subpages) */
.page-banner{background:linear-gradient(135deg,#1a73e8,#0d47a1);color:#fff;padding:60px 0;text-align:center}
.page-banner h1{font-size:36px;margin-bottom:10px}
.page-banner p{font-size:16px;opacity:0.85}

/* Responsive */
@media(max-width:768px){
  .header .container{flex-direction:column;gap:10px;text-align:center}
  .header-contact{text-align:center}
  .nav .container{flex-wrap:wrap;justify-content:center}
  .nav-item{padding:10px 14px;font-size:13px}
  .banner{height:300px}
  .banner-content h2{font-size:24px}
  .banner-content p{font-size:14px}
  .section{padding:35px 0}
  .dual-column .container{grid-template-columns:1fr}
  .advantages-grid,.cases-grid,.services-grid{grid-template-columns:1fr}
  .stat-item{min-width:45%}
  .sidebar-fixed{right:10px;bottom:70px}
  .sidebar-btn{width:40px;height:40px;font-size:15px}
}
@media(max-width:480px){
  .nav{overflow-x:auto}
  .nav .container{flex-wrap:nowrap}
  .nav-item{padding:8px 10px;font-size:12px;white-space:nowrap}
  .banner{height:240px}
  .banner-content h2{font-size:20px}
}