:root{
      --theme:#0B3D91;
      --ink:#172033;
      --muted:#667085;
      --line:#e5eaf2;
      --soft:#f5f8fc;
      --white:#fff;
      --shadow:0 16px 45px rgba(17,42,81,.09);
      --radius:16px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#fff;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.65}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{background:#081b3e;color:#dce8ff;font-size:13px}
    .topbar-inner{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar-contact{display:flex;gap:20px}
    .topbar a:hover{color:#fff}
    .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:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-weight:800;color:#10264e}
    .logo img{width:38px;height:38px;object-fit:contain}
    .logo span{font-size:18px}
    .main-nav{margin-left:auto}
    .nav-list{display:flex;align-items:stretch;gap:4px;padding:0;margin:0;list-style:none}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:5px;height:78px;padding:0 14px;font-size:15px;font-weight:600}
    .nav-link:hover,.nav-link:focus{color:var(--theme)}
    .has-arrow:after{content:"";width:6px;height:6px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg);margin-top:-4px}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% + 1px);left:50%;transform:translate(-50%,8px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:0 0 16px 16px}
    .dropdown-panel{width:280px;padding:14px}
    .dropdown-panel a{display:block;padding:10px 12px;border-radius:8px;font-size:14px}
    .dropdown-panel a:hover{background:var(--soft);color:var(--theme)}
    .dropdown-footer,.mega-footer{border-top:1px solid var(--line);margin-top:10px;padding-top:12px!important;color:var(--theme)!important;font-weight:700}
    .mega-menu{width:760px;padding:22px}
    .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;pointer-events:auto;transform:translate(-50%,0)}
    .mega-menu:before{content:"";position:absolute;left:0;right:0;top:-14px;height:14px}
    .mega-title-row{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:16px}
    .mega-title-row strong{font-size:17px}
    .mega-title-row span{color:var(--muted);font-size:12px}
    .mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .mega-card{display:block;padding:13px;border:1px solid var(--line);border-radius:12px;background:#fff;transition:.2s}
    .mega-card:hover{border-color:#a8c1e9;transform:translateY(-2px)}
    .mega-card-head{display:flex;align-items:center;gap:9px;min-height:32px}
    .mega-card-head img{width:30px;height:30px;object-fit:contain;border-radius:6px}
    .mega-card strong{font-size:13px}
    .mega-card p{margin:8px 0 0;color:var(--muted);font-size:12px;line-height:1.5}
    .mega-meta{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px;color:var(--muted);font-size:11px}
    .rating{display:block;color:#d08b13;font-size:11px;font-weight:400}
    .video-card>img,.product-card>img{width:100%;height:72px;object-fit:cover;border-radius:8px;margin-bottom:9px}
    .category-links{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
    .category-links a{padding:5px 10px;border-radius:99px;background:var(--soft);font-size:12px}
    .category-links a:hover{background:#dce9fb;color:var(--theme)}
    .header-btns{display:flex;align-items:center;gap:11px}
    .member-entry{font-size:13px;color:var(--theme);font-weight:700}
    .account-entry{padding:9px 14px;background:var(--theme);color:#fff;border-radius:8px;font-size:13px}
    .hamburger{display:none;width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px;cursor:pointer}
    .hamburger span{height:2px;background:var(--theme);display:block;margin:5px 0;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;background:rgba(4,17,39,.48);opacity:0;visibility:hidden;z-index:40;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:100vh;background:#fff;transform:translateX(105%);transition:.28s;overflow:auto}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:14px;padding:22px;border-bottom:1px solid var(--line);color:var(--theme);font-weight:700}
    .drawer-head>a{margin-left:auto;color:var(--theme)}
    .drawer-close{border:0;background:transparent;font-size:30px;line-height:1;color:#667085;cursor:pointer}
    .drawer-menu{padding:12px 20px 30px}
    .drawer-link,.drawer-toggle{width:100%;display:block;padding:14px 4px;text-align:left;background:none;border:0;border-bottom:1px solid #edf0f5;font-weight:600;color:var(--ink);cursor:pointer}
    .drawer-toggle:after{content:"+";float:right;color:var(--theme);font-size:20px;line-height:1}
    .drawer-toggle.active:after{content:"−"}
    .drawer-submenu{display:none;padding:5px 12px;background:var(--soft);border-radius:8px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:9px 0;color:var(--muted);font-size:14px}
    .footer{background:#0a1934;color:#d7e1f4;margin-top:70px}
    .footer .logo{color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1.15fr;gap:40px;padding:52px 0 38px}
    .footer-brand p{max-width:330px;color:#aabbd6;font-size:13px}
    .footer h3{margin:0 0 15px;color:#fff;font-size:15px}
    .footer-links{display:grid;gap:8px;font-size:13px;color:#aabbd6}
    .footer-links a:hover,.footer-contact a:hover{color:#fff}
    .footer-contact{display:grid;gap:8px;font-size:13px;color:#aabbd6}
    .social-entry{color:#8fb6f2}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;display:flex;justify-content:space-between;gap:20px;color:#91a5c2;font-size:12px}
    .risk-note{text-align:right}
    .tag-page{background:linear-gradient(180deg,#f5f8fc 0,#fff 420px);padding:55px 0 20px;min-height:520px}
    .tag-hero{text-align:center;max-width:760px;margin:0 auto 34px}
    .tag-kicker{display:inline-flex;padding:5px 13px;border-radius:99px;background:#e5eefc;color:var(--theme);font-size:13px;font-weight:700}
    .tag-hero h1{margin:14px 0 8px;font-size:clamp(30px,5vw,48px);letter-spacing:-1px;color:#10264e}
    .tag-hero p{margin:0;color:var(--muted);font-size:15px}
    .tag-count{margin-top:13px;color:#8090a8;font-size:13px}
    .tag-content{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:28px;align-items:start}
    .tag-list{display:grid;gap:16px}
    .tag-article-card{display:grid;grid-template-columns:230px minmax(0,1fr);gap:20px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 24px rgba(24,55,100,.045);transition:.2s}
    .tag-article-card:hover{border-color:#b4c9e9;transform:translateY(-2px)}
    .tag-article-card>img{width:230px;height:154px;object-fit:cover;border-radius:11px;background:#eaf0f8}
    .tag-article-card h2{margin:3px 0 7px;font-size:19px;line-height:1.4;color:#142d5b}
    .article-label{font-size:12px;color:var(--theme);font-weight:700}
    .tag-article-card p{margin:0 0 10px;color:var(--muted);font-size:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
    .article-meta{display:flex;flex-wrap:wrap;gap:12px;color:#8996a9;font-size:12px}
    .article-tags{margin-top:9px;color:#54729e;font-size:12px}
    .read-link{display:inline-block;margin-top:11px;color:var(--theme);font-size:13px;font-weight:700}
    .tag-sidebar{padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 25px rgba(24,55,100,.05)}
    .tag-sidebar h2{margin:0 0 15px;font-size:17px}
    .tag-sidebar p{font-size:13px;color:var(--muted);margin:0 0 17px}
    .side-links{display:flex;flex-wrap:wrap;gap:8px}
    .side-links a{padding:7px 10px;background:var(--soft);border-radius:7px;color:#48617f;font-size:12px}
    .side-links a:hover{background:#e3edfc;color:var(--theme)}
    .pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin:34px 0 10px}
    .pagination a{min-width:36px;text-align:center;padding:7px 11px;border:1px solid var(--line);border-radius:7px;color:#526681;font-size:13px}
    .pagination a:hover,.pagination a.current,.pagination a.active{background:var(--theme);border-color:var(--theme);color:#fff}
    .drawer-locked{overflow:hidden}
    @media(max-width:1050px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-btns{margin-left:auto}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:760px){
      .container{width:min(100% - 28px,620px)}
      .topbar-inner{padding:8px 0;align-items:flex-start;flex-direction:column;gap:2px}
      .topbar-contact{gap:12px;flex-wrap:wrap}
      .header-inner{height:68px;gap:10px}
      .account-entry,.member-entry{display:none}
      .tag-page{padding-top:35px}
      .tag-content{grid-template-columns:1fr}
      .tag-sidebar{order:-1}
      .tag-article-card{grid-template-columns:1fr;gap:13px}
      .tag-article-card>img{width:100%;height:190px}
      .tag-article-card h2{font-size:18px}
      .footer-grid{grid-template-columns:1fr;gap:27px;padding:38px 0 28px}
      .footer-bottom{display:block}
      .risk-note{text-align:left;margin-top:9px}
    }