*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Microsoft YaHei','PingFang SC',Helvetica,Arial,sans-serif;color:#333;line-height:1.6;background:#fff}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* HEADER */
.header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(0,0,0,.7);transition:background .3s}
.header.scrolled{background:rgba(0,0,0,.95)}
.header-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:70px}
.logo-text{color:#ffbc00;font-size:30px;font-weight:400;letter-spacing:1px;font-family:'Microsoft YaHei',sans-serif}
.nav-list{display:flex}
.nav-item a{display:block;padding:0 20px;color:rgba(255,255,255,.85);font-size:14px;line-height:70px;transition:color .3s,background .3s}
.nav-item a:hover,.nav-item.active a{color:#fff;background:rgba(255,255,255,.1)}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:5px}
.nav-toggle span{width:25px;height:2px;background:#fff}

/* HERO BANNER */
.hero-banner{position:relative;width:100%;height:100vh;min-height:600px;overflow:hidden}
.slide{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;transition:opacity 1.5s;background-size:cover;background-position:center;display:flex;align-items:center}
.slide.active{opacity:1}
.slide-overlay{position:absolute;inset:0;background:rgba(0,0,0,.35)}
.slide-content{position:relative;z-index:2;max-width:1200px;margin:0 auto;padding:0 60px;color:#fff;width:100%}
.slide-sub{font-size:16px;letter-spacing:4px;text-transform:uppercase;color:rgba(255,255,255,.7);margin-bottom:12px;font-weight:300}
.slide-title{font-size:46px;font-weight:700;line-height:1.2;margin-bottom:18px;max-width:700px}
.slide-tpl{font-size:14px;letter-spacing:6px;color:rgba(255,255,255,.5);margin-bottom:8px}
.slide-line{color:rgba(255,255,255,.3);margin-bottom:20px;font-size:14px}
.slide-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:580px}
.slider-controls{position:absolute;top:50%;left:0;right:0;transform:translateY(-50%);display:flex;justify-content:space-between;padding:0 15px;z-index:10;pointer-events:none}
.slider-prev,.slider-next{width:48px;height:48px;border:1px solid rgba(255,255,255,.3);background:rgba(0,0,0,.25);color:#fff;font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;pointer-events:all;border-radius:0;transition:background .3s}
.slider-prev:hover,.slider-next:hover{background:rgba(255,188,0,.6)}
.slider-dots{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:10}
.dot{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,.35);cursor:pointer;transition:background .3s}
.dot.active{background:#ffbc00}

/* SECTIONS */
.section{padding:90px 0}
.row-2col{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.row-2col.reverse{direction:rtl}
.row-2col.reverse>*{direction:ltr}
.col-img img{width:100%;border-radius:2px}
.label{font-size:14px;letter-spacing:3px;text-transform:uppercase;color:#ffbc00;margin-bottom:12px;font-weight:500}
.col-text h2{font-size:26px;font-weight:700;line-height:1.4;margin-bottom:18px;color:#222}
.col-text .desc{font-size:14px;line-height:2;color:#666;margin-bottom:28px}
.btn-more{display:inline-block;padding:10px 28px;border:1px solid #333;color:#333;font-size:12px;letter-spacing:3px;transition:all .3s}
.btn-more:hover{background:#333;color:#fff}
.btn-more.light{border-color:rgba(255,255,255,.7);color:#fff}
.btn-more.light:hover{background:#fff;color:#333}
.col-text.light h2{color:#fff}
.col-text.light .desc{color:rgba(255,255,255,.7)}

/* SEC HOLO */
.sec-holo{background:#fff}

/* SEC IMMERSIVE */
.sec-immersive{background:#f7f8fa}
.sec-header{text-align:center;margin-bottom:55px}
.sec-header h2{font-size:30px;font-weight:700;color:#222;margin-bottom:8px}
.sec-header h3{font-size:17px;font-weight:400;color:#666;margin-bottom:16px}
.sec-header p{font-size:14px;color:#999;max-width:680px;margin:0 auto;line-height:1.8}
.stats-row{display:grid;grid-template-columns:1fr 1fr;gap:35px}
.stat-card{background:#fff;padding:38px;border-radius:3px;box-shadow:0 8px 30px rgba(0,0,0,.06)}
.stat-card:hover{box-shadow:0 14px 40px rgba(0,0,0,.1)}
.stat-num{font-size:46px;font-weight:700;color:#ffbc00;margin-bottom:16px;line-height:1}
.stat-unit{font-size:18px}
.stat-card p{font-size:13px;line-height:1.9;color:#777}

/* SEC INTEL */
.sec-intel{background:#1a1a2e;background-size:cover;background-position:center;position:relative}
.sec-intel::before{content:'';position:absolute;inset:0;background:rgba(10,10,30,.7)}
.sec-intel .container{position:relative;z-index:2}

/* SEC FEATURES */
.sec-features{background:#fff;padding:70px 0}
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feat-card{text-align:center;transition:transform .3s}
.feat-card:hover{transform:translateY(-4px)}
.feat-img{width:100%;height:210px;overflow:hidden;border-radius:6px;margin-bottom:16px;background:#f5f5f5}
.feat-img img{width:100%;height:100%;object-fit:cover}
.feat-card h4{font-size:14px;font-weight:500;color:#333}

/* SEC NEWS */
.sec-news{background:#f7f8fa;padding:70px 0}
.news-row{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.news-card{display:block;background:#fff;border-radius:3px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.05);transition:transform .3s,box-shadow .3s}
.news-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.1)}
.news-img{height:220px;overflow:hidden}
.news-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.news-card:hover .news-img img{transform:scale(1.04)}
.news-body{padding:22px}
.news-body h3{font-size:16px;font-weight:600;color:#222;margin-bottom:6px;line-height:1.5}
.news-date{font-size:12px;color:#aaa;display:block;margin-bottom:10px}
.news-body p{font-size:13px;color:#888;line-height:1.8}

/* FOOTER */
.footer{background:#1a1a2e;color:#fff}
.footer-main{padding:45px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:35px;align-items:start}
.footer-brand{display:flex;flex-direction:column;gap:10px}
.footer-logo-img{height:auto;max-width:200px;border-radius:3px}
.footer-brand p{font-size:13px;color:rgba(255,255,255,.55);line-height:1.5}
.footer-col p{font-size:13px;color:rgba(255,255,255,.65);line-height:1.8}
.footer-col strong{color:#fff}
.footer-bottom{padding:18px 0;text-align:center}
.footer-bottom p{font-size:12px;color:rgba(255,255,255,.4);line-height:1.8}
.footer-bottom a{color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:#ffbc00}

/* COOKIE */
.cookie-bar{position:fixed;bottom:0;left:0;width:100%;background:rgba(20,20,40,.94);padding:14px 28px;display:flex;align-items:center;justify-content:center;gap:18px;z-index:9999;transition:transform .4s}
.cookie-bar.hidden{transform:translateY(100%)}
.cookie-bar span{font-size:13px;color:rgba(255,255,255,.75)}
.cookie-bar a{color:#ffbc00;text-decoration:underline}
#cookieOk{padding:7px 22px;background:#ffbc00;color:#222;border:none;font-size:13px;cursor:pointer;border-radius:2px;font-weight:500}
#cookieOk:hover{background:#e6a800}

/* RESPONSIVE */
@media(max-width:768px){
  .nav{position:fixed;top:70px;left:0;width:100%;background:rgba(0,0,0,.95);transform:translateY(-100%);opacity:0;transition:transform .3s,opacity .3s;pointer-events:none}
  .nav.active{transform:translateY(0);opacity:1;pointer-events:all}
  .nav-list{flex-direction:column}
  .nav-item a{line-height:48px;padding:0 28px;border-bottom:1px solid rgba(255,255,255,.06)}
  .nav-toggle{display:flex}
  .row-2col,.stats-row,.news-row,.footer-grid{grid-template-columns:1fr}
  .row-2col.reverse{direction:ltr}
  .feat-grid{grid-template-columns:1fr 1fr}
  .slide-title{font-size:28px}
  .slide-content{padding:0 24px}
  .logo-text{font-size:20px}
  .cookie-bar{flex-direction:column;text-align:center;gap:8px}
}
@media(max-width:480px){
  .feat-grid{grid-template-columns:1fr}
  .slide-title{font-size:22px}
}

/* FLOATING SERVICE BAR (right side) */
.float-service{position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:999;display:flex;flex-direction:column;gap:1px}
.float-service a{display:flex;align-items:center;justify-content:center;width:48px;height:48px;background:#ffbc00;color:#222;font-size:20px;transition:background .3s;text-decoration:none;position:relative}
.float-service a:hover{background:#e6a800}
.float-service a .tip{position:absolute;right:56px;top:50%;transform:translateY(-50%);background:#333;color:#fff;font-size:12px;padding:6px 12px;border-radius:3px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .3s}
.float-service a:hover .tip{opacity:1}
.float-service svg{width:22px;height:22px;fill:currentColor}

/* MOBILE BOTTOM NAV */
.mobile-bottom-nav{display:none;position:fixed;bottom:0;left:0;width:100%;background:#fff;box-shadow:0 -2px 10px rgba(0,0,0,.1);z-index:998;padding:8px 0}
.mobile-bottom-nav ul{display:flex;justify-content:space-around;align-items:center}
.mobile-bottom-nav li{text-align:center}
.mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;gap:3px;color:#666;font-size:11px;text-decoration:none}
.mobile-bottom-nav svg{width:22px;height:22px;fill:#666}
@media(max-width:768px){
  .mobile-bottom-nav{display:block}
  .float-service{display:none}
  .cookie-bar{bottom:56px}
}