:root{
      --theme:#0B3D91;
      --theme-dark:#082d6b;
      --ink:#172b4d;
      --muted:#6d7b91;
      --line:#e4eaf2;
      --bg:#f5f8fc;
      --white:#fff;
      --shadow:0 16px 40px rgba(18,48,91,.1);
      --radius:16px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .topbar{background:#102a50;color:#d9e6f8;font-size:13px}
    .topbar .container{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar-links{display:flex;gap:22px}
    .topbar a:hover{color:#fff}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
    .header-inner{min-height:76px;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:10px;min-width:190px;color:var(--theme);font-size:20px;font-weight:800;white-space:nowrap}
    .logo img{width:38px;height:38px;object-fit:contain;border-radius:10px}
    .main-nav{flex:1}
    .nav-list{display:flex;align-items:center;justify-content:center;gap:5px;margin:0;padding:0;list-style:none}
    .nav-item{position:relative}
    .nav-link{display:block;padding:25px 14px;color:#263c5b;font-size:15px;font-weight:600;white-space:nowrap}
    .nav-link:hover,.nav-link:focus{color:var(--theme)}
    .has-arrow:after{content:"";display:inline-block;width:6px;height:6px;margin:0 0 3px 8px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg)}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% - 1px);left:50%;width:300px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:0 0 16px 16px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translate(-50%,8px);transition:.22s ease}
    .mega-menu{width:min(720px,calc(100vw - 32px))}
    .nav-item:hover .dropdown-panel,.nav-item:focus-within .dropdown-panel,.nav-item:hover .mega-menu,.nav-item:focus-within .mega-menu{opacity:1;visibility:visible;transform:translate(-50%,0)}
    .dropdown-panel:before,.mega-menu:before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
    .dropdown-panel>a{display:block;padding:9px 10px;border-bottom:1px solid #edf1f6;font-size:14px}
    .dropdown-panel>a:hover,.mega-links a:hover{color:var(--theme);background:#f3f7fd}
    .mega-section-title{margin:0 0 12px;color:var(--theme);font-weight:800;font-size:14px}
    .mega-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
    .mega-card{display:flex;gap:10px;min-width:0;padding:10px;border:1px solid #edf1f6;border-radius:12px;background:#fbfcfe}
    .mega-card:hover{border-color:#a9c2e8;background:#f3f7fd}
    .mega-card img{width:38px;height:38px;object-fit:cover;border-radius:9px;background:#eaf1fb;flex:0 0 auto}
    .mega-card span{min-width:0}
    .mega-card strong,.mega-card small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .mega-card strong{font-size:13px;color:var(--ink)}
    .mega-card small{font-size:11px;color:var(--muted);line-height:1.5}
    .mega-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
    .mega-links a{padding:6px 10px;border-radius:8px;background:#f2f6fb;color:#385579;font-size:12px}
    .header-btns{display:flex;align-items:center;gap:14px}
    .member-btn{padding:9px 15px;border-radius:9px;background:var(--theme);color:#fff;font-size:13px;font-weight:700}
    .member-btn:hover{background:var(--theme-dark)}
    .hamburger{display:none;width:42px;height:42px;padding:9px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer}
    .hamburger span{display:block;height:2px;margin:5px 0;background:var(--theme);transition:.2s}
    .hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
    .hamburger.active span:nth-child(2){opacity:0}
    .hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
    .drawer-overlay{position:fixed;inset:0;z-index:40;background:rgba(8,28,55,.48);opacity:0;visibility:hidden;transition:.25s}
    .drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{position:fixed;z-index:41;top:0;right:0;width:min(390px,88vw);height:100%;overflow:auto;background:#fff;transform:translateX(100%);transition:.28s ease;box-shadow:-10px 0 35px rgba(0,0,0,.16)}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:14px;padding:20px;border-bottom:1px solid var(--line);font-weight:800;color:var(--theme)}
    .drawer-head a{margin-left:auto;padding:6px 12px;border-radius:7px;background:#edf3fb;color:var(--theme);font-size:13px}
    .drawer-close{border:0;background:none;color:var(--muted);font-size:28px;line-height:1;cursor:pointer}
    .drawer-menu{padding:12px 20px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 0;border:0;border-bottom:1px solid #edf1f6;background:none;text-align:left;color:var(--ink);font-weight:700;cursor:pointer}
    .drawer-toggle:after{content:"+";float:right;color:var(--theme);font-size:20px;font-weight:400}
    .drawer-toggle.active:after{content:"−"}
    .drawer-submenu{max-height:0;overflow:hidden;padding-left:14px;transition:max-height .25s ease}
    .drawer-submenu.open{max-height:600px}
    .drawer-submenu a{display:block;padding:9px 0;color:var(--muted);font-size:14px}
    .footer{margin-top:70px;background:#102a50;color:#c5d4e8}
    .footer .container{padding:50px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
    .footer-brand strong{display:block;margin-bottom:12px;color:#fff;font-size:20px}
    .footer h3{margin:0 0 13px;color:#fff;font-size:15px}
    .footer p{margin:0;color:#aebfd5;font-size:13px}
    .footer-grid>div>a{display:block;margin:7px 0;color:#c5d4e8;font-size:13px}
    .footer-grid>div>a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:40px;padding-top:18px;border-top:1px solid rgba(255,255,255,.15);font-size:12px;color:#9eb2cb}
    .tag-page{padding:0 0 20px}
    .tag-hero{padding:70px 0 52px;background:linear-gradient(135deg,#edf4ff 0%,#fff 58%,#eef7ff 100%);border-bottom:1px solid #e2eaf5;text-align:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:12px;padding:6px 12px;border-radius:99px;background:#dfeafb;color:var(--theme);font-size:13px;font-weight:700}
    .eyebrow:before{content:"#";font-size:18px}
    .tag-hero h1{margin:0;color:#102a50;font-size:clamp(30px,5vw,52px);line-height:1.2}
    .tag-hero p{max-width:660px;margin:16px auto 0;color:var(--muted);font-size:15px}
    .tag-content{padding:42px 0}
    .tag-summary{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px}
    .tag-summary h2{margin:0;font-size:22px;color:var(--ink)}
    .tag-summary span{color:var(--muted);font-size:14px}
    .tag-article-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .tag-article-card{display:grid;grid-template-columns:170px 1fr;min-height:170px;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 22px rgba(22,52,92,.05);transition:.2s}
    .tag-article-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#b7cbed}
    .tag-article-card img{width:100%;height:100%;min-height:170px;object-fit:cover;background:#eaf1fb}
    .tag-article-body{padding:18px}
    .tag-article-body h3{margin:0 0 8px;font-size:17px;line-height:1.45;color:var(--ink)}
    .tag-article-body h3 a:hover{color:var(--theme)}
    .tag-article-body p{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden;margin:0 0 12px;color:var(--muted);font-size:13px}
    .article-meta{display:flex;flex-wrap:wrap;gap:8px 14px;color:#8997aa;font-size:12px}
    .article-tag{display:inline-block;margin-top:12px;padding:3px 8px;border-radius:6px;background:#f0f5fc;color:var(--theme);font-size:11px}
    .pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:34px}
    .pagination a{min-width:36px;padding:6px 11px;border:1px solid var(--line);border-radius:8px;background:#fff;color:#536681;text-align:center;font-size:13px}
    .pagination a:hover,.pagination a.active{border-color:var(--theme);background:var(--theme);color:#fff}
    @media (max-width:980px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-inner{justify-content:space-between}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
      .tag-article-list{grid-template-columns:1fr}
    }
    @media (max-width:600px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{align-items:flex-start;flex-direction:column;gap:2px;padding:8px 0}
      .topbar-links{gap:12px;flex-wrap:wrap}
      .logo{min-width:auto;font-size:17px}
      .logo img{width:32px;height:32px}
      .member-btn{display:none}
      .tag-hero{padding:48px 0 38px}
      .tag-content{padding:28px 0}
      .tag-summary{align-items:flex-start;flex-direction:column;gap:5px}
      .tag-article-card{grid-template-columns:110px 1fr;min-height:140px}
      .tag-article-card img{min-height:140px}
      .tag-article-body{padding:13px}
      .tag-article-body h3{font-size:15px}
      .tag-article-body p{-webkit-line-clamp:2;font-size:12px}
      .article-meta{gap:5px 8px;font-size:11px}
      .footer-grid{grid-template-columns:1fr;gap:25px}
      .footer-bottom{align-items:flex-start;flex-direction:column;gap:7px}
    }