:root{
      --theme:#0B3D91;
      --ink:#142238;
      --muted:#68758a;
      --line:#dce3ec;
      --soft:#f4f7fb;
      --white:#fff;
      --orange:#ef6c35;
      --shadow:0 16px 42px rgba(19,42,76,.1);
      --radius:16px;
    }
    *{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:1.65}
    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{height:38px;background:#eef2f7;color:#637084;font-size:13px}
    .topbar .container{height:100%;display:flex;align-items:center;justify-content:space-between}
    .topbar-links{display:flex;gap:22px}
    .topbar a:hover{color:var(--theme)}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid #e7edf4}
    .header-inner{height:78px;display:flex;align-items:center;gap:34px}
    .logo{display:flex;align-items:center;gap:10px;min-width:190px;color:var(--theme);font-weight:800;font-size:19px}
    .logo img{width:34px;height:34px;object-fit:contain}
    .main-nav{flex:1;height:100%}
    .nav-list{height:100%;display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
    .nav-item{position:relative;height:100%;display:flex;align-items:center}
    .nav-link{display:flex;align-items:center;height:100%;padding:0 15px;font-size:15px;font-weight:600;white-space:nowrap}
    .nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--theme)}
    .has-arrow:after{content:"";width:6px;height:6px;margin-left:8px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg) translateY(-2px)}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% - 1px);left:50%;transform:translateX(-50%);visibility:hidden;opacity:0;pointer-events:none;background:#fff;border:1px solid #e1e8f1;border-radius:0 0 14px 14px;box-shadow:0 18px 38px rgba(20,40,70,.14);transition:.2s ease}
    .dropdown-panel{width:270px;padding:12px}
    .dropdown-panel a{display:block;padding:10px 12px;border-radius:8px;font-size:14px}
    .dropdown-panel a:hover{background:var(--soft);color:var(--theme)}
    .mega-menu{width:650px;padding:20px}
    .nav-item:hover>.mega-menu,.nav-item:focus-within>.mega-menu,.nav-item:hover>.dropdown-panel,.nav-item:focus-within>.dropdown-panel{visibility:visible;opacity:1;pointer-events:auto}
    .mega-menu:before,.dropdown-panel:before{content:"";position:absolute;top:-14px;left:0;right:0;height:14px}
    .mega-title{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:12px;margin-bottom:14px;border-bottom:1px solid var(--line);font-size:14px;font-weight:800}
    .mega-title a{color:var(--theme);font-size:12px}
    .mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
    .mega-card{min-width:0;padding:12px;border:1px solid #e6ebf2;border-radius:11px;background:#fbfcfe}
    .mega-card:hover{border-color:#a7bad5;background:#f4f7fb}
    .mega-card img{width:28px;height:28px;object-fit:contain;margin-bottom:7px}
    .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:4px;color:var(--muted);font-size:11px;line-height:1.45}
    .mega-footer{display:block;margin-top:16px;padding-top:13px;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{font-size:13px;color:var(--theme);font-weight:700}
    .open-account{padding:9px 16px;color:#fff;background:var(--theme);border-radius:8px;font-size:13px;font-weight:700}
    .open-account:hover{background:#082e70}
    .hamburger{display:none;width:42px;height:38px;padding:8px;border:1px solid var(--line);background:#fff;border-radius:8px;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{position:fixed;inset:0;z-index:40;background:rgba(9,22,42,.45);opacity:0;visibility:hidden;transition:.25s}
    .drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{position:fixed;top:0;right:0;bottom:0;z-index:41;width:min(390px,88%);padding-bottom:20px;overflow:auto;background:#fff;transform:translateX(105%);transition:.28s ease;box-shadow:-18px 0 42px rgba(0,0,0,.15)}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:15px;padding:20px;border-bottom:1px solid var(--line)}
    .drawer-head strong{flex:1;color:var(--theme)}
    .drawer-head a{padding:7px 12px;border-radius:6px;background:var(--theme);color:#fff;font-size:13px}
    .drawer-close{border:0;background:none;font-size:28px;line-height:1;color:var(--muted);cursor:pointer}
    .drawer-menu{padding:12px 20px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 2px;border:0;border-bottom:1px solid #edf0f4;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:15px;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;padding:52px 0 20px;background:#172337;color:#c3ccda}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
    .footer-brand{margin-bottom:12px;color:#fff;font-size:20px;font-weight:800}
    .footer p{margin:7px 0;color:#9eabbd;font-size:13px}
    .footer h3{margin:0 0 14px;color:#fff;font-size:15px}
    .footer-grid a{display:block;margin:8px 0;color:#aeb9c9;font-size:13px}
    .footer-grid 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,.13);font-size:12px;color:#8f9caf}
    .category-page{padding:0 0 20px}
    .category-hero{padding:64px 0 42px;background:linear-gradient(135deg,#edf2f8 0%,#fff 55%,#f8eee9 100%);border-bottom:1px solid #e4eaf1}
    .category-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--orange);font-size:13px;font-weight:800;letter-spacing:.08em}
    .category-kicker:before{content:"";width:28px;height:3px;background:var(--orange);border-radius:3px}
    .category-hero h1{max-width:760px;margin:13px 0 10px;color:#152b4b;font-size:clamp(30px,4vw,50px);line-height:1.2;letter-spacing:-.03em}
    .category-hero p{max-width:700px;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 12px;border:1px solid #d8e1ec;border-radius:30px;background:rgba(255,255,255,.7);color:#53657d;font-size:12px}
    .article-list-wrap{padding:44px 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;color:#172d4d}
    .section-heading p{margin:0;color:var(--muted);font-size:13px}
    .article-list{display:grid;gap:18px}
    .article-card{display:grid;grid-template-columns:300px minmax(0,1fr);gap:24px;min-width:0;padding:17px;border:1px solid #e1e8f0;border-radius:var(--radius);background:#fff;box-shadow:0 7px 22px rgba(25,48,80,.045);transition:.2s}
    .article-card:hover{transform:translateY(-2px);border-color:#adc0d9;box-shadow:var(--shadow)}
    .article-cover{height:190px;overflow:hidden;border-radius:11px;background:#e9eef5}
    .article-cover img{width:100%;height:100%;object-fit:cover;transition:.3s}
    .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-category{display:inline-block;margin-bottom:8px;color:var(--orange);font-size:12px;font-weight:800}
    .article-title{margin:0 0 8px;color:#182f50;font-size:21px;line-height:1.35}
    .article-title a:hover{color:var(--theme)}
    .article-summary{display:-webkit-box;overflow:hidden;margin:0;color:#67768a;font-size:14px;line-height:1.75;-webkit-box-orient:vertical;-webkit-line-clamp:3}
    .article-info{display:flex;flex-wrap:wrap;gap:12px;margin-top:13px;color:#8793a2;font-size:12px}
    .article-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:11px}
    .article-tags span{padding:3px 8px;border-radius:5px;background:#f1f4f8;color:#66758a;font-size:11px}
    .read-more{display:inline-flex;align-items:center;gap:6px;margin-top:15px;color:var(--theme);font-size:13px;font-weight:800}
    .read-more:after{content:"→";font-size:17px;transition:.2s}
    .read-more:hover:after{transform:translateX(4px)}
    .pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:34px}
    .pagination a{min-width:36px;padding:7px 11px;border:1px solid #dbe3ed;border-radius:7px;background:#fff;text-align:center;color:#596a80;font-size:13px}
    .pagination a:hover,.pagination a.active{border-color:var(--theme);background:var(--theme);color:#fff}
    @media(max-width:1050px){
      .header-inner{gap:15px}
      .logo{min-width:150px}
      .nav-link{padding:0 9px;font-size:14px}
      .member-link{display:none}
    }
    @media(max-width:820px){
      .topbar{height:auto;padding:8px 0}
      .topbar .container{align-items:flex-start;gap:7px;flex-direction:column}
      .topbar-links{gap:15px}
      .header-inner{height:68px}
      .main-nav{display:none}
      .hamburger{display:block}
      .mega-menu{display:none}
      .category-hero{padding:42px 0 34px}
      .article-card{grid-template-columns:220px minmax(0,1fr);gap:17px}
      .article-cover{height:170px}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:580px){
      .container{width:min(100% - 28px,1180px)}
      .open-account{display:none}
      .category-hero h1{font-size:31px}
      .category-hero p{font-size:14px}
      .article-list-wrap{padding:30px 0}
      .section-heading{display:block}
      .section-heading p{margin-top:5px}
      .article-card{display:block;padding:12px}
      .article-cover{height:190px;margin-bottom:15px}
      .article-title{font-size:19px}
      .article-summary{-webkit-line-clamp:4}
      .footer{margin-top:42px;padding-top:38px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px 18px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .footer-bottom{display:block;line-height:1.8}
      .footer-bottom span{display:block}
    }