:root{--primary:#0052CC;--primary-dark:#003D99;--primary-light:#E8F0FE;--accent:#00B8D9;--accent2:#36B37E;--dark:#172B4D;--gray:#5E6C84;--light:#F4F7FF;--white:#FFFFFF;--shadow:0 4px 24px rgba(0,82,204,.1);--shadow-lg:0 12px 48px rgba(0,82,204,.15)}
    *{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}
    body{font-family:'Inter',sans-serif;color:var(--dark);line-height:1.7;overflow-x:hidden}
    h1,h2,h3{font-family:'Merriweather',serif;line-height:1.3}
    a{text-decoration:none;color:inherit}
    #navbar{position:fixed;top:0;width:100%;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid #E8EFF9}
    .nav-inner{max-width:1280px;margin:0 auto;padding:0 32px;display:flex;align-items:center;justify-content:space-between;height:72px}
    .nav-logo{display:flex;align-items:center;gap:10px}
    .nav-logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:10px;display:flex;align-items:center;justify-content:center;color:white;font-weight:900;font-size:18px;flex-shrink:0}
    .nav-logo-text{font-size:20px;font-weight:800;color:var(--primary);letter-spacing:-.5px}
    .nav-logo-text span{color:var(--accent)}
    .nav-links{display:flex;gap:6px;list-style:none;align-items:center}
    .nav-links a{color:var(--gray);font-size:14px;font-weight:500;padding:8px 14px;border-radius:8px;transition:all .2s;display:block}
    .nav-links a:hover,.nav-links a.active{color:var(--primary);background:var(--primary-light)}
    .nav-cta{background:var(--primary)!important;color:white!important;border-radius:8px!important;font-weight:700}
    .nav-cta:hover{background:var(--primary-dark)!important}
    .nav-toggle{display:none;background:none;border:none;font-size:24px;color:var(--primary);cursor:pointer}
    .page-hero{padding:120px 32px 60px;background:linear-gradient(160deg,#E8F0FE,#F4F7FF);border-bottom:1px solid #E8EFF9}
    .page-hero-inner{max-width:1280px;margin:0 auto}
    .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--gray);margin-bottom:16px}
    .breadcrumb a{color:var(--primary);font-weight:500}
    .page-hero h1{font-size:clamp(28px,4vw,46px);color:var(--dark);margin-bottom:12px}
    .page-hero p{font-size:16px;color:var(--gray);max-width:640px}
    .section{padding:80px 32px}
    .container{max-width:1280px;margin:0 auto}
    .section-label{display:inline-flex;align-items:center;gap:6px;background:var(--primary-light);color:var(--primary);font-size:11px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;padding:6px 14px;border-radius:100px;margin-bottom:12px}
    .section-title{font-size:clamp(24px,3.5vw,38px);color:var(--dark);margin-bottom:12px}
    .section-sub{font-size:16px;color:var(--gray);max-width:640px;margin-bottom:48px;line-height:1.8}
    .news-layout{display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:start}
    .news-articles{display:flex;flex-direction:column;gap:28px}
    .news-article{background:white;border-radius:20px;overflow:hidden;box-shadow:var(--shadow);border:1px solid #E8EFF9;transition:all .3s;display:grid;grid-template-columns:220px 1fr}
    .news-article:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
    .news-article-img{position:relative;height:100%;min-height:200px;background:linear-gradient(135deg,#E8F0FE,#D0E9FF);display:flex;align-items:center;justify-content:center;font-size:48px;color:var(--primary);flex-shrink:0;overflow:hidden}
    .news-article-img>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}
    .news-article-img>.fas{position:relative;z-index:0}
    .news-article-body{padding:28px;display:flex;flex-direction:column;justify-content:center}
    .news-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--gray);margin-bottom:12px;flex-wrap:wrap}
    .news-cat{background:var(--primary-light);color:var(--primary);padding:3px 12px;border-radius:100px;font-weight:700;font-size:11px}
    .news-cat.award{background:#FFF3E0;color:#E65100}
    .news-cat.expo{background:#E8F5E9;color:#2E7D32}
    .news-cat.company{background:#E3F2FD;color:#1565C0}
    .news-cat.tech{background:#F3E5F5;color:#6A1B9A}
    .news-article h2{font-family:'Inter',sans-serif;font-size:18px;font-weight:700;color:var(--dark);margin-bottom:10px;line-height:1.4}
    .news-article h2 a{color:inherit;text-decoration:none}
    .news-article h2 a:hover{color:var(--primary)}
    a.news-article-img{text-decoration:none;color:var(--primary);display:flex;align-items:center;justify-content:center}
    .news-article p{font-size:14px;color:var(--gray);line-height:1.7;margin-bottom:14px}
    .news-article-meta{font-size:12px;color:var(--gray);margin-top:auto;padding-top:12px;border-top:1px solid #E8EFF9;display:flex;justify-content:space-between;align-items:center}
    .news-link{color:var(--primary);font-size:13px;font-weight:700;display:inline-flex;align-items:center;gap:6px}
    .news-link:hover{gap:10px}
    /* SIDEBAR */
    .sidebar{position:sticky;top:90px;display:flex;flex-direction:column;gap:24px}
    .sidebar-card{background:white;border-radius:20px;padding:24px;box-shadow:var(--shadow);border:1px solid #E8EFF9}
    .sidebar-card h3{font-family:'Inter',sans-serif;font-size:15px;font-weight:700;margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--primary-light)}
    .sidebar-cats{display:flex;flex-direction:column;gap:8px}
    .sidebar-cat{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-radius:10px;transition:all .2s;cursor:pointer;font-size:14px;font-weight:500;color:var(--gray)}
    .sidebar-cat:hover,.sidebar-cat.active{background:var(--primary-light);color:var(--primary)}
    .sidebar-cat span{background:white;font-size:11px;padding:2px 8px;border-radius:100px}
    .sidebar-news{display:flex;flex-direction:column;gap:14px}
    .sidebar-news-item{display:flex;gap:12px;align-items:flex-start;cursor:pointer}
    .sidebar-news-item .icon{position:relative;width:40px;height:40px;background:var(--primary-light);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;color:var(--primary);overflow:hidden}
    .sidebar-news-item .icon img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}
    .sidebar-news-item .icon .fas{position:relative;z-index:0}
    .sidebar-news-item h4{font-family:'Inter',sans-serif;font-size:13px;font-weight:600;color:var(--dark);line-height:1.4;margin-bottom:4px}
    .sidebar-news-item span{font-size:11px;color:var(--gray)}
    .sidebar-cta{background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:20px;padding:24px;color:white;text-align:center}
    .sidebar-cta h3{font-family:'Inter',sans-serif;font-size:15px;font-weight:700;margin-bottom:8px;border:none;padding:0;color:white}
    .sidebar-cta p{font-size:13px;opacity:.8;margin-bottom:16px;line-height:1.6}
    .sidebar-cta a{display:inline-flex;align-items:center;gap:6px;background:white;color:var(--primary);padding:10px 20px;border-radius:8px;font-size:13px;font-weight:700;transition:all .2s}
    .sidebar-cta a:hover{transform:translateY(-2px)}
    .sidebar-news-item{text-decoration:none;color:inherit}
    .bbt-news-pagination{margin-top:28px}
    .bbt-news-pagination ul{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0;align-items:center}
    .bbt-news-pagination li span,.bbt-news-pagination a{display:inline-flex;align-items:center;min-width:36px;justify-content:center;padding:8px 12px;border-radius:8px;font-size:13px;font-weight:600}
    .bbt-news-pagination a{background:var(--primary-light);color:var(--primary);text-decoration:none}
    .bbt-news-pagination a:hover{background:var(--primary);color:white}
    .bbt-news-pagination span.page-numbers.current{background:var(--primary);color:white;border-radius:8px}
    .bbt-news-pagination .page-numbers.dots{background:transparent;color:var(--gray)}
    .news-empty{color:var(--gray);padding:24px}
    .bbt-news-single{padding-bottom:40px}
    .bbt-news-content{font-size:15px;line-height:1.85;color:var(--gray)}
    .bbt-news-content p{margin-bottom:1.1em}
    .bbt-news-content img,.bbt-news-figure img{max-width:100%;height:auto}
    .bbt-news-figure{margin:0;padding:0}
    .bbt-news-hero{margin:0 0 1.25em;padding:0}
    .bbt-news-hero img{max-width:100%;height:auto;border-radius:12px;display:block}
    .bbt-news-content .bbt-news-body-en{font-family:'Inter',sans-serif;line-height:1.85}
    .bbt-news-content .bbt-news-source-cn{font-family:'Microsoft YaHei','PingFang SC','Noto Sans SC',sans-serif;line-height:1.9}
    .bbt-news-content h2,.bbt-news-content h3{font-family:'Inter',sans-serif;color:var(--dark);margin:1.2em 0 .6em}
    .bbt-news-pages{margin-top:24px;font-size:14px;color:var(--gray)}
    /* TIMELINE */
    .timeline-section{background:var(--light)}
    .timeline{position:relative;max-width:800px;margin:0 auto;padding-left:40px}
    .timeline::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(to bottom,var(--primary),var(--accent));border-radius:2px}
    .timeline-item{position:relative;margin-bottom:40px}
    .timeline-item::before{content:'';position:absolute;left:-46px;top:6px;width:14px;height:14px;background:var(--primary);border-radius:50%;border:3px solid white;box-shadow:0 0 0 3px var(--primary)}
    .timeline-year{font-size:12px;font-weight:700;color:var(--primary);letter-spacing:1px;text-transform:uppercase;margin-bottom:6px}
    .timeline-item h3{font-family:'Inter',sans-serif;font-size:17px;font-weight:700;color:var(--dark);margin-bottom:6px}
    .timeline-item p{font-size:14px;color:var(--gray);line-height:1.7}
    footer{background:#0D1B2A;color:rgba(255,255,255,.5);padding:60px 32px 28px}
    .footer-inner{max-width:1280px;margin:0 auto}
    .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px}
    .footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
    .footer-logo-icon{width:34px;height:34px;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:8px;display:flex;align-items:center;justify-content:center;color:white;font-weight:900;font-size:14px}
    .footer-logo-text{font-size:17px;font-weight:800;color:white}
    .footer-brand p{font-size:13px;line-height:1.7;max-width:260px}
    .footer-col h4{color:white;font-size:12px;font-weight:700;margin-bottom:14px;text-transform:uppercase;letter-spacing:1px}
    .footer-col ul{list-style:none;display:flex;flex-direction:column;gap:9px}
    .footer-col ul li a{color:rgba(255,255,255,.4);font-size:13px;transition:color .2s}
    .footer-col ul li a:hover{color:white}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.07);padding-top:20px;display:flex;justify-content:space-between;font-size:12px;align-items:center}
    .footer-bottom a{color:rgba(255,255,255,.3);text-decoration:none}
    .footer-bottom a:hover{color:rgba(255,255,255,.7)}
    @media(max-width:968px){
      .news-layout{grid-template-columns:1fr}
      .news-article{grid-template-columns:1fr}
      .news-article-img{min-height:180px}
      .sidebar{position:static}
      .footer-grid{grid-template-columns:1fr 1fr}
      .nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:white;flex-direction:column;padding:16px;box-shadow:var(--shadow);border-radius:0 0 16px 16px}
      .nav-links.active{display:flex}
      .nav-toggle{display:block}
      .footer-bottom{flex-direction:column;gap:8px;text-align:center}
    }