:root{
      --theme:#0B3D91;
      --theme-deep:#082b68;
      --ink:#17243d;
      --muted:#68758b;
      --line:#dfe6f0;
      --paper:#f4f7fb;
      --white:#fff;
      --shadow:0 18px 45px rgba(19,48,91,.12);
      --radius:18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","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{
      color:#dce9ff;
      background:#071d43;
      font-size:13px;
    }
    .topbar .container{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .topbar a{margin-left:20px;color:#eef5ff}

    .header{
      position:relative;
      z-index:20;
      background:rgba(255,255,255,.97);
      border-bottom:1px solid var(--line);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:30px;
    }
    .logo{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      gap:10px;
      color:var(--theme-deep);
      font-size:20px;
      font-weight:800;
      white-space:nowrap;
    }
    .logo img{
      width:38px;
      height:38px;
      object-fit:contain;
      border-radius:10px;
    }
    .main-nav{flex:1}
    .nav-list{
      display:flex;
      justify-content:center;
      align-items:center;
      gap:4px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .nav-item{position:relative}
    .nav-link{
      display:flex;
      align-items:center;
      min-height:78px;
      padding:0 14px;
      color:#30415f;
      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;
      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%) translateY(8px);
      width:260px;
      padding:16px;
      opacity:0;
      visibility:hidden;
      pointer-events:none;
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 16px 16px;
      box-shadow:var(--shadow);
      transition:.2s ease;
    }
    .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;
      color:#40516e;
      border-radius:8px;
      font-size:14px;
    }
    .dropdown-panel a:hover{background:#eef4ff;color:var(--theme)}
    .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;
      pointer-events:auto;
      transform:translateX(-50%) translateY(0);
    }
    .mega-menu{width:min(720px,calc(100vw - 32px))}
    .mega-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
    }
    .mega-card{
      display:flex;
      min-height:108px;
      flex-direction:column;
      gap:4px;
      padding:12px;
      background:#f6f9fe;
      border:1px solid #e7edf7;
      border-radius:12px;
      transition:.2s ease;
    }
    .mega-card:hover{
      border-color:#adc7f0;
      background:#edf4ff;
      transform:translateY(-2px);
    }
    .mega-card img{
      width:30px;
      height:30px;
      object-fit:contain;
      border-radius:7px;
      margin-bottom:3px;
    }
    .mega-card strong{
      color:var(--ink);
      font-size:13px;
      line-height:1.35;
    }
    .mega-card small{
      color:var(--muted);
      font-size:11px;
      line-height:1.45;
    }
    .mega-footer{
      display:block;
      margin-top:14px;
      padding-top:12px;
      color:var(--theme);
      text-align:center;
      font-weight:700;
      border-top:1px solid var(--line);
      font-size:13px;
    }
    .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;
      color:#fff;
      background:var(--theme);
      border-radius:9px;
      font-size:13px;
      font-weight:700;
    }
    .open-account:hover{background:var(--theme-deep)}
    .hamburger{
      display:none;
      width:42px;
      height:42px;
      padding:9px;
      border:1px solid var(--line);
      border-radius:9px;
      background:#fff;
      cursor:pointer;
    }
    .hamburger span{
      display:block;
      width:22px;
      height:2px;
      margin:4px auto;
      background:var(--theme);
      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(5,20,47,.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:50;
      width:min(390px,88vw);
      overflow:auto;
      background:#fff;
      box-shadow:-20px 0 45px rgba(0,0,0,.16);
      transform:translateX(100%);
      transition:.25s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      display:flex;
      align-items:center;
      gap:15px;
      padding:20px;
      color:#fff;
      background:var(--theme);
      font-weight:700;
    }
    .drawer-head>a{margin-left:auto;color:#fff}
    .drawer-close{
      width:32px;
      height:32px;
      border:0;
      color:#fff;
      background:transparent;
      font-size:28px;
      line-height:1;
      cursor:pointer;
    }
    .drawer-menu{padding:12px 20px 30px}
    .drawer-link,.drawer-toggle{
      display:block;
      width:100%;
      padding:14px 0;
      color:var(--ink);
      background:none;
      border:0;
      border-bottom:1px solid var(--line);
      text-align:left;
      font:inherit;
      cursor:pointer;
    }
    .drawer-toggle:after{
      content:"+";
      float:right;
      color:var(--theme);
      font-size:20px;
    }
    .drawer-toggle.active:after{content:"−"}
    .drawer-submenu{
      display:none;
      padding:5px 0 8px 15px;
      border-bottom:1px solid var(--line);
    }
    .drawer-submenu.open{display:block}
    .drawer-submenu a{
      display:block;
      padding:8px 0;
      color:var(--muted);
      font-size:14px;
    }

    .category-page{padding:62px 0 80px}
    .category-hero{
      position:relative;
      overflow:hidden;
      padding:45px clamp(24px,5vw,70px);
      color:#fff;
      background:
        radial-gradient(circle at 85% 20%,rgba(124,177,255,.32),transparent 28%),
        linear-gradient(135deg,#09295e,#0B3D91 58%,#2b68b5);
      border-radius:26px;
      box-shadow:var(--shadow);
    }
    .category-hero:after{
      content:"";
      position:absolute;
      right:7%;
      bottom:-100px;
      width:280px;
      height:280px;
      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 56px rgba(255,255,255,.03);
    }
    .eyebrow{
      position:relative;
      z-index:1;
      display:inline-flex;
      padding:5px 12px;
      color:#d9e9ff;
      border:1px solid rgba(255,255,255,.35);
      border-radius:99px;
      font-size:13px;
    }
    .category-hero h1{
      position:relative;
      z-index:1;
      max-width:700px;
      margin:14px 0 8px;
      font-size:clamp(30px,4vw,50px);
      line-height:1.2;
    }
    .category-hero p{
      position:relative;
      z-index:1;
      max-width:680px;
      margin:0;
      color:#dce9ff;
      font-size:16px;
    }
    .category-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 280px;
      gap:28px;
      margin-top:34px;
      align-items:start;
    }
    .article-list{display:grid;gap:18px}
    .article-card{
      display:grid;
      grid-template-columns:270px minmax(0,1fr);
      gap:22px;
      padding:18px;
      background:#fff;
      border:1px solid #e5ebf4;
      border-radius:var(--radius);
      box-shadow:0 8px 26px rgba(25,56,100,.06);
      transition:.2s ease;
    }
    .article-card:hover{
      border-color:#b6caf0;
      box-shadow:var(--shadow);
      transform:translateY(-2px);
    }
    .article-cover{
      min-height:190px;
      overflow:hidden;
      border-radius:13px;
      background:#dbe7f8;
    }
    .article-cover img{
      width:100%;
      height:100%;
      min-height:190px;
      object-fit:cover;
    }
    .article-body{min-width:0}
    .article-label{
      display:inline-block;
      margin-bottom:7px;
      padding:3px 9px;
      color:var(--theme);
      background:#edf4ff;
      border-radius:99px;
      font-size:12px;
      font-weight:700;
    }
    .article-body h2{
      margin:0 0 9px;
      color:#152b53;
      font-size:21px;
      line-height:1.4;
    }
    .article-summary{
      display:-webkit-box;
      overflow:hidden;
      margin:0 0 14px;
      color:var(--muted);
      -webkit-box-orient:vertical;
      -webkit-line-clamp:3;
      line-clamp:3;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px 16px;
      margin-bottom:12px;
      color:#8290a5;
      font-size:12px;
    }
    .article-tags{
      margin-bottom:14px;
      color:#71809a;
      font-size:12px;
    }
    .article-cta{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--theme);
      font-size:14px;
      font-weight:800;
    }
    .article-cta:after{content:"→";font-size:18px}
    .sidebar{
      position:sticky;
      top:20px;
      display:grid;
      gap:18px;
    }
    .side-card{
      padding:22px;
      background:#fff;
      border:1px solid #e5ebf4;
      border-radius:var(--radius);
      box-shadow:0 8px 26px rgba(25,56,100,.06);
    }
    .side-card h3{
      margin:0 0 12px;
      color:#18335e;
      font-size:18px;
    }
    .side-card p{margin:0;color:var(--muted);font-size:14px}
    .side-links{display:grid;gap:8px}
    .side-links a{
      display:flex;
      justify-content:space-between;
      padding:9px 0;
      color:#40516e;
      border-bottom:1px solid #edf0f5;
      font-size:14px;
    }
    .side-links a:after{content:"›";color:var(--theme)}
    .risk-note{
      color:#6d7890;
      background:#f7f9fc;
      font-size:13px;
    }
    .pagination{
      display:flex;
      justify-content:center;
      flex-wrap:wrap;
      gap:8px;
      margin-top:28px;
    }
    .pagination a{
      min-width:38px;
      padding:7px 12px;
      color:#4f607b;
      background:#fff;
      border:1px solid var(--line);
      border-radius:8px;
      text-align:center;
      font-size:13px;
    }
    .pagination a.active,.pagination a:hover{
      color:#fff;
      background:var(--theme);
      border-color:var(--theme);
    }

    .footer{
      color:#d4e0f2;
      background:#081a38;
    }
    .footer .container{padding-top:48px}
    .footer-grid{
      display:grid;
      grid-template-columns:1.5fr 1fr 1fr 1.1fr;
      gap:35px;
      padding-bottom:38px;
    }
    .footer h3{
      margin:0 0 13px;
      color:#fff;
      font-size:15px;
    }
    .footer-brand strong{color:#fff;font-size:20px}
    .footer p{margin:8px 0;color:#aebed6;font-size:13px}
    .footer-grid>div:not(.footer-brand) a{
      display:block;
      padding:3px 0;
      color:#afc0d9;
      font-size:13px;
    }
    .footer-grid a:hover{color:#fff}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding:17px 0;
      border-top:1px solid rgba(255,255,255,.12);
      color:#91a5c2;
      font-size:12px;
    }

    @media (max-width:1000px){
      .main-nav{display:none}
      .hamburger{display:block}
      .category-layout{grid-template-columns:1fr}
      .sidebar{position:static;grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:700px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{align-items:flex-start;flex-direction:column;gap:0;padding:8px 0}
      .topbar a{margin:0 14px 0 0}
      .header-inner{min-height:68px;gap:12px}
      .member-link{display:none}
      .open-account{padding:8px 11px;font-size:12px}
      .category-page{padding:28px 0 55px}
      .category-hero{padding:32px 24px;border-radius:20px}
      .category-hero h1{font-size:32px}
      .category-hero p{font-size:14px}
      .article-card{grid-template-columns:1fr;gap:16px;padding:14px}
      .article-cover,.article-cover img{min-height:190px;height:190px}
      .article-body h2{font-size:19px}
      .sidebar{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{align-items:flex-start;flex-direction:column;gap:6px}
    }
    @media (max-width:430px){
      .logo span{max-width:130px;overflow:hidden;text-overflow:ellipsis}
      .footer-grid{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
      .mega-grid{grid-template-columns:1fr 1fr}
    }