:root{
      --theme:#0B3D91;
      --ink:#10233f;
      --muted:#667085;
      --line:#e5eaf2;
      --soft:#f5f8fc;
      --gold:#c7963d;
      --white:#fff;
      --shadow:0 18px 50px rgba(16,35,63,.10);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#f7f9fc;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:#081a35;color:#cbd7e8;font-size:13px}
    .topbar .container{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar a{color:#fff}
    .topbar-links{display:flex;gap:22px}
    .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:28px}
    .logo{display:flex;align-items:center;gap:10px;min-width:190px;font-size:18px;font-weight:800;color:var(--theme)}
    .logo img{width:38px;height:38px;object-fit:contain}
    .main-nav{flex:1}
    .nav-list{display:flex;align-items:stretch;justify-content:center;gap:2px;list-style:none;margin:0;padding:0}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;height:76px;padding:0 15px;font-size:15px;font-weight:600;white-space:nowrap}
    .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:0 0 4px 8px}
    .dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);width:280px;padding:15px;background:#fff;border:1px solid var(--line);border-radius:0 0 12px 12px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:.2s}
    .mega-menu{width:690px}
    .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}
    .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 var(--line);font-size:14px}
    .dropdown-panel>a:hover,.mega-card:hover{color:var(--theme);background:var(--soft)}
    .mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
    .mega-card{display:flex;gap:9px;min-height:72px;padding:10px;border:1px solid var(--line);border-radius:9px;font-size:13px;transition:.2s}
    .mega-card img{width:32px;height:32px;object-fit:contain;flex:none}
    .mega-card span{display:flex;flex-direction:column;gap:2px}
    .mega-card strong{font-size:13px}
    .mega-card small{display:block;color:var(--muted);font-size:11px;line-height:1.45}
    .mega-footer{display:block;margin-top:13px;padding-top:11px;border-top:1px solid var(--line);color:var(--theme);font-size:13px;font-weight:700}
    .header-btns{display:flex;align-items:center;gap:10px;white-space:nowrap}
    .member-link{color:var(--theme);font-size:14px;font-weight:700}
    .open-account{padding:9px 15px;background:var(--theme);color:#fff;border-radius:6px;font-size:13px;font-weight:700}
    .hamburger{display:none;width:40px;height:38px;padding:8px;border:1px solid var(--line);border-radius:6px;background:#fff;cursor:pointer}
    .hamburger span{display:block;width:22px;height:2px;margin:4px auto;background:var(--ink);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{display:none;position:fixed;inset:0;background:rgba(2,12,28,.5);z-index:40}
    .drawer-overlay.open{display:block}
    .mobile-drawer{position:fixed;right:0;top:0;bottom:0;width:min(390px,88vw);background:#fff;z-index:50;transform:translateX(100%);transition:.25s;overflow:auto}
    .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:700;color:var(--theme)}
    .drawer-head>a{margin-left:auto;padding:6px 12px;background:var(--theme);color:#fff;border-radius:5px;font-size:13px}
    .drawer-close{border:0;background:none;font-size:28px;line-height:1;color:var(--muted);cursor:pointer}
    .drawer-menu{padding:10px 20px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid var(--line);background:none;text-align:left;font:inherit;cursor:pointer}
    .drawer-toggle:after{content:"+";float:right;color:var(--muted);font-size:20px}
    .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:14px}
    .footer{margin-top:70px;padding:48px 0 18px;background:#081a35;color:#c7d3e4}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:35px}
    .footer-brand strong{display:block;color:#fff;font-size:20px;margin-bottom:12px}
    .footer p{margin:5px 0;color:#aebed3;font-size:13px}
    .footer h3{margin:0 0 13px;color:#fff;font-size:15px}
    .footer-grid>div:not(.footer-brand) a{display:block;margin:5px 0;color:#c7d3e4;font-size:13px}
    .footer-grid a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:35px;padding-top:17px;border-top:1px solid rgba(255,255,255,.14);color:#91a4bd;font-size:12px}

    .category-page{padding:0 0 20px}
    .category-hero{padding:70px 0 58px;background:linear-gradient(135deg,#edf4ff 0%,#fff 55%,#f4f7fb 100%);border-bottom:1px solid var(--line)}
    .category-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--theme);font-size:13px;font-weight:800;letter-spacing:.08em}
    .category-kicker:before{content:"";width:24px;height:2px;background:var(--gold)}
    .category-hero h1{margin:13px 0 12px;font-size:clamp(32px,5vw,54px);line-height:1.2;letter-spacing:-.04em}
    .category-hero p{max-width:690px;margin:0;color:var(--muted);font-size:16px}
    .category-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}
    .category-meta span{padding:7px 13px;border:1px solid #d8e2f0;border-radius:30px;background:#fff;color:#52647d;font-size:13px}
    .article-list-section{padding:48px 0}
    .section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}
    .section-heading h2{margin:0;font-size:25px}
    .section-heading p{margin:0;color:var(--muted);font-size:13px}
    .article-list{display:grid;gap:18px}
    .article-card{display:grid;grid-template-columns:310px minmax(0,1fr);gap:25px;padding:17px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 7px 22px rgba(25,53,91,.045);transition:.2s}
    .article-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .article-cover{height:205px;overflow:hidden;border-radius:9px;background:#dce6f4}
    .article-cover img{width:100%;height:100%;object-fit:cover;transition:.35s}
    .article-card:hover .article-cover img{transform:scale(1.04)}
    .article-body{min-width:0;display:flex;flex-direction:column;align-items:flex-start}
    .article-label{color:var(--theme);font-size:12px;font-weight:800;letter-spacing:.06em}
    .article-body h3{margin:7px 0 8px;font-size:21px;line-height:1.4}
    .article-body h3 a:hover{color:var(--theme)}
    .article-summary{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden;margin:0;color:#637188;font-size:14px}
    .article-info{display:flex;flex-wrap:wrap;gap:12px;margin-top:13px;color:#8490a1;font-size:12px}
    .article-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px;color:#62718a;font-size:12px}
    .article-tags span{padding:3px 8px;background:#f0f4fa;border-radius:4px}
    .read-more{margin-top:auto;padding-top:12px;color:var(--theme);font-size:13px;font-weight:800}
    .read-more:after{content:" →";color:var(--gold)}
    .pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:35px}
    .pagination a{min-width:36px;padding:6px 11px;border:1px solid var(--line);border-radius:5px;background:#fff;text-align:center;color:#53647c;font-size:13px}
    .pagination a:hover,.pagination a.current,.pagination a.active{background:var(--theme);border-color:var(--theme);color:#fff}
    .empty-note{padding:35px;background:#fff;border:1px dashed #cbd7e6;border-radius:12px;color:var(--muted);text-align:center}

    @media(max-width:1050px){
      .nav-link{padding:0 9px;font-size:14px}
      .logo{min-width:160px}
      .mega-menu{width:620px}
    }
    @media(max-width:820px){
      .topbar .container{padding:8px 0;align-items:flex-start;flex-direction:column;gap:2px}
      .topbar-links{gap:12px;flex-wrap:wrap}
      .header-inner{min-height:66px}
      .main-nav{display:none}
      .header-btns{margin-left:auto}
      .member-link,.open-account{display:none}
      .hamburger{display:block}
      .article-card{grid-template-columns:230px minmax(0,1fr);gap:17px}
      .article-cover{height:180px}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:560px){
      .container{width:min(100% - 28px,1180px)}
      .category-hero{padding:48px 0 40px}
      .category-hero h1{font-size:35px}
      .article-list-section{padding:32px 0}
      .section-heading{display:block}
      .section-heading p{margin-top:5px}
      .article-card{display:block;padding:12px}
      .article-cover{height:190px;margin-bottom:14px}
      .article-body h3{font-size:18px}
      .article-summary{-webkit-line-clamp:4}
      .read-more{margin-top:4px}
      .footer-grid{grid-template-columns:1fr;gap:24px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:5px}
    }