:root{--primary:#0B3D91;--ink:#10233f;--muted:#64748b;--ice:#eef6ff;--line:#dbe7f3;--white:#fff;--shadow:0 16px 45px rgba(11,61,145,.10)}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#f6faff;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}
    button{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{background:#071b36;color:#dcecff;font-size:13px}
    .topbar .container{min-height:36px;display:flex;align-items:center;justify-content:space-between}
    .topbar-info{display:flex;gap:22px}
    .topbar a{color:#dcecff}
    .header{position:relative;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(15,46,86,.05)}
    .header-inner{height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:10px;min-width:190px;color:var(--primary);font-size:20px;font-weight:800}
    .logo img{width:38px;height:38px;object-fit:contain}
    .main-nav{flex:1}
    .nav-list{display:flex;align-items:stretch;justify-content:center;gap:3px;list-style:none;margin:0;padding:0}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;height:78px;padding:0 14px;font-size:15px;font-weight:700;white-space:nowrap}
    .nav-link:hover,.nav-link:focus{color:var(--primary)}
    .has-arrow:after{content:"";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%;transform:translate(-50%,10px);width:250px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:0 0 14px 14px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:.2s;z-index:30}
    .dropdown-panel:before,.mega-menu:before{content:"";position:absolute;left:0;right:0;height:12px;top:-12px}
    .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 a,.mega-links a{display:block;padding:8px 5px;border-bottom:1px solid #edf2f7;color:#334155;font-size:14px}
    .dropdown-panel a:hover,.mega-links a:hover{color:var(--primary)}
    .mega-menu{width:650px;padding:22px}
    .mega-title{color:var(--primary);font-weight:800;font-size:15px;margin-bottom:12px}
    .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 #e5edf7;border-radius:10px;background:#fbfdff}
    .mega-card:hover{border-color:#a8c7ed;background:#f1f7ff}
    .mega-card img{width:42px;height:42px;border-radius:8px;object-fit:cover;background:#e8f1fb}
    .mega-card span{min-width:0}
    .mega-card strong,.mega-card small{display:block;overflow:hidden;text-overflow:ellipsis}
    .mega-card strong{font-size:13px;white-space:nowrap}
    .mega-card small{margin-top:3px;color:var(--muted);font-size:11px;line-height:1.5}
    .mega-footer{display:block;margin-top:17px;padding-top:13px;border-top:1px solid var(--line);color:var(--primary);font-weight:700;font-size:13px}
    .header-btns{display:flex;align-items:center;gap:10px;white-space:nowrap}
    .member-link{color:var(--primary);font-size:14px;font-weight:700}
    .open-account{padding:9px 15px;border-radius:8px;background:var(--primary);color:#fff;font-size:14px;font-weight:700}
    .hamburger{display:none;width:40px;height:38px;padding:8px;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer}
    .hamburger span{display:block;height:2px;margin:4px 0;background:var(--primary);transition:.2s}
    .hamburger.active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
    .hamburger.active span:nth-child(2){opacity:0}
    .hamburger.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
    .drawer-overlay{position:fixed;inset:0;background:rgba(4,20,42,.5);opacity:0;visibility:hidden;transition:.25s;z-index:50}
    .drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{position:fixed;top:0;right:0;width:min(390px,88vw);height:100vh;overflow:auto;background:#fff;transform:translateX(100%);transition:.25s;z-index:51;box-shadow:-10px 0 30px rgba(0,0,0,.12)}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:14px;padding:20px;border-bottom:1px solid var(--line);color:var(--primary);font-weight:800}
    .drawer-head>a{margin-left:auto;color:var(--primary)}
    .drawer-close{border:0;background:none;font-size:29px;line-height:1;color:#64748b;cursor:pointer}
    .drawer-menu{padding:12px 20px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid #edf2f7;background:none;text-align:left;color:var(--ink);font-weight:700;cursor:pointer}
    .drawer-submenu{display:none;padding:4px 0 8px 15px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:8px 0;color:#64748b;font-size:14px}
    .drawer-toggle:after{content:"+";float:right;color:var(--primary);font-size:18px}
    .drawer-toggle.active:after{content:"−"}
    .footer{margin-top:70px;background:#071b36;color:#d9e8f8}
    .footer .container{padding:48px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand{display:flex;align-items:center;gap:9px;color:#fff;font-size:20px;font-weight:800}
    .footer-brand img{width:36px;height:36px;object-fit:contain}
    .footer p{margin:17px 0 0;color:#a9bfd8;font-size:14px;line-height:1.9}
    .footer h3{margin:0 0 14px;color:#fff;font-size:16px}
    .footer-links{display:flex;flex-direction:column;gap:7px;color:#a9bfd8;font-size:14px}
    .footer-links a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:38px;padding-top:18px;border-top:1px solid rgba(255,255,255,.15);color:#91abc5;font-size:12px}
    .tag-page{padding:68px 0 10px}
    .tag-hero{text-align:center;padding:34px 20px 40px;border-radius:24px;background:linear-gradient(135deg,#eaf4ff,#fff);border:1px solid #d8e8f8}
    .tag-kicker{display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border-radius:999px;background:#dcecff;color:var(--primary);font-size:13px;font-weight:800}
    .tag-kicker:before{content:"#";font-size:18px}
    .tag-hero h1{margin:16px 0 8px;color:#071b36;font-size:clamp(30px,5vw,52px);line-height:1.2}
    .tag-hero p{margin:0;color:var(--muted);font-size:15px}
    .tag-count{display:inline-block;margin-top:17px;color:var(--primary);font-size:14px;font-weight:700}
    .tag-content{margin-top:35px}
    .tag-content-title{display:flex;justify-content:space-between;align-items:end;margin-bottom:18px}
    .tag-content-title h2{margin:0;font-size:24px}
    .tag-content-title 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:150px 1fr;min-height:170px;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:0 8px 25px rgba(16,35,63,.05);transition:.2s}
    .tag-article-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#a9c9ef}
    .tag-article-card>img{width:150px;height:100%;min-height:170px;object-fit:cover;background:#e8f1fb}
    .tag-article-body{display:flex;flex-direction:column;padding:17px}
    .tag-label{color:var(--primary);font-size:12px;font-weight:800}
    .tag-article-body h3{margin:7px 0 6px;font-size:17px;line-height:1.45}
    .tag-article-body p{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;margin:0;color:var(--muted);font-size:13px;line-height:1.65}
    .tag-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:12px;color:#8293a8;font-size:12px}
    .tag-meta a{color:var(--primary)}
    .tag-read{margin-top:11px;color:var(--primary);font-size:13px;font-weight:800}
    .pagination{display:flex;justify-content:center;gap:8px;margin-top:34px;flex-wrap:wrap}
    .pagination a{min-width:36px;padding:6px 11px;text-align:center;border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--primary);font-size:13px}
    .pagination a:hover,.pagination a.active{background:var(--primary);border-color:var(--primary);color:#fff}
    @media(max-width:1050px){
      .header-inner{gap:12px}.logo{min-width:150px}.nav-link{padding:0 8px;font-size:14px}.member-link{display:none}
    }
    @media(max-width:820px){
      .topbar .container{padding:7px 0;align-items:flex-start}.topbar-info{gap:10px;flex-direction:column;line-height:1.3}
      .header-inner{height:68px}.main-nav{display:none}.hamburger{display:block}.open-account{display:none}.header-btns{margin-left:auto}
      .footer-grid{grid-template-columns:repeat(2,1fr)}.tag-article-list{grid-template-columns:1fr}
      .mega-menu{display:none}
    }
    @media(max-width:520px){
      .container{width:min(100% - 28px,1180px)}.topbar{font-size:11px}.topbar-info{font-size:11px}
      .tag-page{padding-top:35px}.tag-hero{padding:28px 15px 32px}.tag-hero h1{font-size:34px}
      .tag-article-card{grid-template-columns:110px 1fr}.tag-article-card>img{width:110px;min-height:155px}
      .tag-article-body{padding:12px}.tag-article-body h3{font-size:15px}.tag-article-body p{font-size:12px}
      .footer-grid{grid-template-columns:1fr;gap:25px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
    }