:root{
      --primary:#0B3D91;
      --primary-dark:#082b68;
      --ink:#12213d;
      --muted:#6f7e98;
      --line:#e4eaf3;
      --soft:#f4f7fb;
      --white:#fff;
      --shadow:0 18px 48px rgba(17,45,91,.10);
      --radius:18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#f7f9fd;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .topbar{background:#071d43;color:#dbe7fb;font-size:13px}
    .topbar .container{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .topbar a{margin-left:20px;color:#dbe7fb}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
    .header-inner{height:78px;display:flex;align-items:center;gap:34px}
    .logo{display:flex;align-items:center;gap:10px;min-width:190px;color:var(--primary);font-weight:800;font-size:19px}
    .logo img{width:36px;height:36px;object-fit:contain}
    .main-nav{flex:1}
    .nav-list{display:flex;align-items:center;justify-content:center;gap:4px;list-style:none;margin:0;padding:0}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:5px;padding:26px 14px;font-size:15px;white-space:nowrap}
    .nav-link:hover{color:var(--primary)}
    .has-arrow:after{content:"⌄";font-size:13px;color:#8390a5}
    .dropdown-panel,.mega-menu{position:absolute;left:50%;top:calc(100% + 1px);transform:translateX(-50%) translateY(8px);opacity:0;visibility:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);transition:.2s ease;z-index:30}
    .dropdown-panel{width:250px;padding:12px;border-radius:12px}
    .dropdown-panel a{display:block;padding:9px 12px;font-size:14px;border-radius:8px}
    .dropdown-panel a:hover{background:var(--soft);color:var(--primary)}
    .mega-menu{width:720px;padding:22px;border-radius:16px}
    .nav-item:hover>.mega-menu,.nav-item:focus-within>.mega-menu,.nav-item:hover>.dropdown-panel,.nav-item:focus-within>.dropdown-panel{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
    .mega-grid{display:grid;grid-template-columns:190px 1fr;gap:22px}
    .mega-grid h4{margin:0 0 8px;color:var(--primary);font-size:16px}
    .mega-grid p{margin:0 0 12px;font-size:13px;color:var(--muted)}
    .mega-grid>div:first-child>a:not(.mega-footer){font-size:13px;color:var(--primary)}
    .mega-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}
    .mega-card{display:block;padding:11px 12px;border:1px solid var(--line);border-radius:10px;background:#fbfcff}
    .mega-card:hover{border-color:#9cb9e9;background:#f2f6ff}
    .mega-card img{width:22px;height:22px;object-fit:contain;margin-bottom:4px}
    .mega-card b{display:block;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .mega-card small{display:block;color:var(--muted);font-size:11px;line-height:1.5;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .mega-footer{display:block;margin-top:17px;padding-top:13px;border-top:1px solid var(--line);font-size:13px;color:var(--primary);font-weight:700}
    .header-btns{display:flex;align-items:center;gap:12px;white-space:nowrap}
    .member-btn{font-size:13px;color:var(--primary);font-weight:700}
    .open-btn{padding:8px 15px;color:#fff;background:var(--primary);border-radius:8px;font-size:13px}
    .open-btn:hover{background:var(--primary-dark)}
    .hamburger{display:none;border:0;background:transparent;padding:7px;cursor:pointer}
    .hamburger span{display:block;width:23px;height:2px;background:var(--ink);margin:5px 0;transition:.2s}
    .mobile-drawer{position:fixed;right:-360px;top:0;width:min(350px,88vw);height:100vh;background:#fff;z-index:60;transition:right .25s ease;box-shadow:-15px 0 40px rgba(3,22,57,.18);overflow:auto}
    .mobile-drawer.open{right:0}
    .drawer-overlay{position:fixed;inset:0;background:rgba(4,18,43,.46);opacity:0;visibility:hidden;z-index:55;transition:.2s}
    .drawer-overlay.open{opacity:1;visibility:visible}
    .drawer-head{display:flex;align-items:center;gap:14px;padding:20px;border-bottom:1px solid var(--line);font-weight:700;color:var(--primary)}
    .drawer-head a{margin-left:auto;font-size:13px}
    .drawer-close{border:0;background:transparent;font-size:28px;color:#68758b;cursor:pointer;line-height:1}
    .drawer-menu{padding:12px 20px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid #edf1f7;background:transparent;text-align:left;font:inherit;color:var(--ink);cursor:pointer}
    .drawer-toggle:after{content:"＋";float:right;color:var(--muted)}
    .drawer-toggle.active:after{content:"－"}
    .drawer-submenu{display:none;padding:5px 0 8px 16px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:7px 0;color:var(--muted);font-size:13px}
    .footer{margin-top:70px;background:#081d40;color:#c8d5e9}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:38px;padding:55px 0 42px}
    .footer h4{margin:0 0 16px;color:#fff;font-size:15px}
    .footer-brand strong{display:block;color:#fff;font-size:21px;margin-bottom:12px}
    .footer p{margin:7px 0;font-size:13px;color:#aebed6}
    .footer-grid>div:not(.footer-brand) a{display:block;color:#aebed6;font-size:13px;margin:7px 0}
    .footer-grid a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);padding:18px 0;font-size:12px;color:#94a8c5}
    .tag-page{padding:58px 0 0}
    .tag-hero{position:relative;overflow:hidden;padding:42px 48px;border-radius:24px;background:linear-gradient(120deg,#071d43,#0B3D91 62%,#246bd0);color:#fff;box-shadow:var(--shadow)}
    .tag-hero:after{content:"";position:absolute;width:250px;height:250px;right:7%;top:-100px;border:1px solid rgba(255,255,255,.2);border-radius:50%;box-shadow:0 0 0 28px rgba(255,255,255,.04),0 0 0 58px rgba(255,255,255,.035)}
    .tag-kicker{position:relative;z-index:1;margin:0 0 8px;color:#bcd6ff;font-size:13px;letter-spacing:2px}
    .tag-hero h1{position:relative;z-index:1;margin:0;font-size:clamp(30px,4vw,48px);line-height:1.2}
    .tag-hero p{position:relative;z-index:1;max-width:680px;margin:15px 0 0;color:#d9e7ff;font-size:15px}
    .tag-meta{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
    .tag-meta span{padding:5px 11px;border:1px solid rgba(255,255,255,.25);border-radius:99px;font-size:12px}
    .tag-content{margin-top:30px}
    .tag-toolbar{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:18px}
    .tag-toolbar h2{margin:0;font-size:23px}
    .tag-toolbar small{color:var(--muted)}
    .tag-article-list{display:grid;gap:18px}
    .tag-article-card{display:grid;grid-template-columns:245px 1fr;gap:24px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 8px 25px rgba(20,52,100,.045)}
    .tag-article-card:hover{border-color:#b5cbed;box-shadow:var(--shadow)}
    .tag-article-card img{width:245px;height:165px;object-fit:cover;border-radius:12px;background:#eaf0f8}
    .article-body{min-width:0;display:flex;flex-direction:column}
    .article-label{color:var(--primary);font-size:12px;font-weight:700;margin-bottom:4px}
    .article-body h3{margin:0;font-size:20px;line-height:1.4}
    .article-body h3 a:hover{color:var(--primary)}
    .article-summary{margin:9px 0;color:#697891;font-size:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
    .article-info{display:flex;flex-wrap:wrap;gap:12px;margin-top:auto;color:#8995a8;font-size:12px}
    .article-tags{margin-top:9px;color:var(--primary);font-size:12px}
    .article-cta{display:inline-flex;align-items:center;gap:5px;margin-top:12px;color:var(--primary);font-size:13px;font-weight:700}
    .article-cta:after{content:"→";transition:.2s}
    .article-cta:hover:after{transform:translateX(4px)}
    .pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin:34px 0 0}
    .pagination a{min-width:36px;padding:6px 11px;text-align:center;border:1px solid var(--line);border-radius:8px;background:#fff;color:#687894;font-size:13px}
    .pagination a:hover,.pagination a.active{background:var(--primary);border-color:var(--primary);color:#fff}
    @media(max-width:1000px){
      .main-nav{display:none}
      .header-inner{justify-content:space-between}
      .hamburger{display:block}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:640px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{padding:8px 0;display:block;line-height:1.8}
      .topbar a{margin-left:12px}
      .header-inner{height:68px;gap:10px}
      .logo{min-width:0;font-size:16px}
      .logo img{width:31px;height:31px}
      .member-btn{display:none}
      .tag-page{padding-top:28px}
      .tag-hero{padding:30px 23px;border-radius:18px}
      .tag-hero h1{font-size:32px}
      .tag-article-card{grid-template-columns:1fr;gap:14px;padding:14px}
      .tag-article-card img{width:100%;height:190px}
      .article-body h3{font-size:18px}
      .footer-grid{grid-template-columns:1fr;gap:25px;padding:38px 0 30px}
      .footer-bottom{display:block;line-height:2}
    }