:root{
      --theme:#0B3D91;
      --template-theme:{主题色};
      --theme-dark:#072a65;
      --theme-light:#eaf1ff;
      --ink:#142033;
      --muted:#64748b;
      --line:#e2e8f0;
      --surface:#ffffff;
      --page:#f5f7fb;
      --danger:#b4232f;
      --gold:#c99a32;
      --radius:16px;
      --shadow:0 16px 44px rgba(15,34,67,.10);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--page);
      font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;
      line-height:1.7;
      -webkit-font-smoothing:antialiased;
    }
    body.drawer-locked{overflow:hidden}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    button{color:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}

    .topbar{
      color:#dce8ff;
      background:#071a38;
      border-bottom:1px solid rgba(255,255,255,.09);
      font-size:13px;
    }
    .topbar-inner{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .topbar-contact{display:flex;align-items:center;gap:20px}
    .topbar-contact a{transition:color .2s ease}
    .topbar-contact a:hover{color:#fff}

    .header{
      position:relative;
      z-index:50;
      background:rgba(255,255,255,.98);
      border-bottom:1px solid var(--line);
      box-shadow:0 5px 20px rgba(13,40,79,.05);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:26px;
    }
    .logo{
      min-width:0;
      display:inline-flex;
      align-items:center;
      gap:11px;
      font-weight:800;
      color:#0a2f70;
      letter-spacing:.01em;
    }
    .logo img{
      width:42px;
      height:42px;
      border-radius:11px;
      object-fit:contain;
      background:#fff;
    }
    .logo span{
      max-width:190px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .main-nav{margin-left:auto;height:78px}
    .nav-list{
      height:100%;
      display:flex;
      align-items:stretch;
      gap:3px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .nav-item{
      position:relative;
      display:flex;
      align-items:center;
    }
    .nav-link{
      position:relative;
      display:flex;
      align-items:center;
      min-height:44px;
      padding:0 12px;
      color:#26364d;
      border-radius:9px;
      font-size:15px;
      font-weight:700;
      white-space:nowrap;
      transition:background .2s ease,color .2s ease;
    }
    .nav-link:hover,
    .nav-item:focus-within>.nav-link{
      color:var(--theme);
      background:var(--theme-light);
    }
    .has-arrow::after{
      content:"";
      width:6px;
      height:6px;
      margin-left:7px;
      border-right:1.5px solid currentColor;
      border-bottom:1.5px solid currentColor;
      transform:rotate(45deg) translateY(-2px);
      transition:transform .2s ease;
    }
    .nav-item:hover>.has-arrow::after,
    .nav-item:focus-within>.has-arrow::after{
      transform:rotate(225deg) translate(-2px,-1px);
    }
    .dropdown-panel,
    .mega-menu{
      position:absolute;
      top:100%;
      left:50%;
      z-index:60;
      visibility:hidden;
      opacity:0;
      transform:translate(-50%,10px);
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 16px 16px;
      box-shadow:0 24px 55px rgba(9,31,69,.18);
      pointer-events:none;
      transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
    }
    .dropdown-panel::before,
    .mega-menu::before{
      content:"";
      position:absolute;
      left:0;
      right:0;
      top:-12px;
      height:12px;
    }
    .nav-item:hover>.dropdown-panel,
    .nav-item:focus-within>.dropdown-panel,
    .nav-item:hover>.mega-menu,
    .nav-item:focus-within>.mega-menu{
      visibility:visible;
      opacity:1;
      transform:translate(-50%,0);
      pointer-events:auto;
    }
    .dropdown-panel{width:340px;padding:20px}
    .dropdown-title,
    .mega-heading{
      margin:0 0 12px;
      color:#17345f;
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
    }
    .dropdown-list{display:grid;gap:5px}
    .dropdown-article{
      padding:9px 10px;
      color:#34445c;
      border-radius:8px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .dropdown-article:hover{color:var(--theme);background:var(--theme-light)}
    .dropdown-footer,
    .mega-footer{
      display:flex;
      justify-content:center;
      margin-top:15px;
      padding:10px 14px;
      color:#fff;
      background:var(--theme);
      border-radius:9px;
      font-weight:700;
    }
    .mega-menu{
      width:min(920px,calc(100vw - 44px));
      padding:23px;
    }
    .nav-item:nth-last-child(-n+3) .mega-menu{
      left:auto;
      right:-100px;
      transform:translateY(10px);
    }
    .nav-item:nth-last-child(-n+3):hover>.mega-menu,
    .nav-item:nth-last-child(-n+3):focus-within>.mega-menu{
      transform:translateY(0);
    }
    .mega-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
    }
    .mega-card{
      min-width:0;
      display:block;
      padding:13px;
      color:#334155;
      background:#f8fafc;
      border:1px solid #e8edf5;
      border-radius:12px;
      transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
    }
    .mega-card:hover{
      transform:translateY(-2px);
      border-color:#b9caea;
      box-shadow:0 10px 22px rgba(11,61,145,.09);
    }
    .mega-broker-head,
    .mega-tool-head{
      display:flex;
      align-items:center;
      gap:9px;
    }
    .mega-broker-head img,
    .mega-tool-head img{
      width:34px;
      height:34px;
      flex:0 0 auto;
      object-fit:contain;
      border-radius:8px;
      background:#fff;
    }
    .mega-name{
      display:block;
      color:#172b4d;
      font-size:14px;
      font-weight:800;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-stats{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:7px;
      margin-top:11px;
    }
    .mega-stats span{
      display:flex;
      flex-direction:column;
      color:#718096;
      font-size:11px;
    }
    .mega-stats strong{color:#26364d;font-size:12px}
    .mega-layout{
      display:grid;
      grid-template-columns:190px minmax(0,1fr);
      gap:22px;
    }
    .mega-categories{display:grid;gap:7px}
    .mega-categories a{
      padding:8px 10px;
      color:#43536b;
      background:#f6f8fc;
      border-radius:8px;
    }
    .mega-categories a:hover{color:var(--theme);background:var(--theme-light)}
    .mega-summary{
      display:-webkit-box;
      margin:7px 0 0;
      overflow:hidden;
      color:#64748b;
      font-size:12px;
      line-height:1.55;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }
    .video-card>img,
    .product-mega-card>img{
      width:100%;
      height:82px;
      margin-bottom:9px;
      object-fit:cover;
      border-radius:8px;
      background:#e9eef6;
    }
    .video-meta,
    .product-meta{
      display:flex;
      justify-content:space-between;
      gap:8px;
      margin-top:8px;
      color:#718096;
      font-size:11px;
    }

    .header-btns{
      display:flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
    }
    .header-btns>a,
    .header-btns>*:not(.hamburger){
      white-space:nowrap;
    }
    .account-open{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:40px;
      padding:0 17px;
      color:#fff;
      background:var(--theme);
      border-radius:9px;
      font-weight:800;
      box-shadow:0 8px 18px rgba(11,61,145,.18);
    }
    .account-open:hover{background:var(--theme-dark)}
    .hamburger{
      width:42px;
      height:42px;
      display:none;
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
      padding:0;
      background:#fff;
      border:1px solid var(--line);
      border-radius:10px;
      cursor:pointer;
    }
    .hamburger span{
      width:19px;
      height:2px;
      background:#17345f;
      border-radius:2px;
      transition:transform .2s ease,opacity .2s ease;
    }
    .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;
      z-index:89;
      visibility:hidden;
      opacity:0;
      background:rgba(3,14,32,.62);
      backdrop-filter:blur(3px);
      transition:opacity .25s ease,visibility .25s ease;
    }
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{
      position:fixed;
      top:0;
      right:0;
      bottom:0;
      z-index:90;
      width:min(390px,90vw);
      overflow-y:auto;
      background:#fff;
      box-shadow:-20px 0 45px rgba(0,0,0,.2);
      transform:translateX(105%);
      transition:transform .28s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      min-height:74px;
      display:flex;
      align-items:center;
      gap:10px;
      padding:14px 18px;
      color:#fff;
      background:#071a38;
    }
    .drawer-head>a{
      padding:7px 11px;
      border:1px solid rgba(255,255,255,.25);
      border-radius:8px;
      font-weight:700;
    }
    .drawer-close{
      width:38px;
      height:38px;
      margin-left:auto;
      color:#fff;
      background:rgba(255,255,255,.1);
      border:0;
      border-radius:9px;
      font-size:27px;
      line-height:1;
      cursor:pointer;
    }
    .drawer-menu{padding:12px 18px 28px}
    .drawer-link,
    .drawer-toggle{
      width:100%;
      min-height:48px;
      display:flex;
      align-items:center;
      padding:0 8px;
      color:#1e304b;
      background:transparent;
      border:0;
      border-bottom:1px solid #edf0f5;
      font-weight:800;
      text-align:left;
      cursor:pointer;
    }
    .drawer-toggle{justify-content:space-between}
    .drawer-toggle::after{
      content:"+";
      color:var(--theme);
      font-size:21px;
      font-weight:400;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      display:none;
      padding:7px 0 10px 13px;
      border-bottom:1px solid #edf0f5;
    }
    .drawer-submenu.open{display:grid}
    .drawer-submenu a{
      padding:8px 10px;
      color:#5c6b80;
      border-left:2px solid #dbe5f5;
    }
    .drawer-submenu a:hover{color:var(--theme);background:var(--theme-light)}

    .article-page{
      min-width:0;
      padding:30px 0 76px;
    }
    .article-page .breadcrumb{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:22px;
      color:#718096;
      font-size:14px;
    }
    .article-page .breadcrumb a:hover{color:var(--theme)}
    .article-page .breadcrumb span[aria-hidden="true"]{color:#a7b0be}
    .article-page .article-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 310px;
      align-items:start;
      gap:28px;
    }
    .article-page .article-shell{
      min-width:0;
      overflow:hidden;
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:20px;
      box-shadow:var(--shadow);
    }
    .article-page .article-header{
      position:relative;
      padding:44px 48px 31px;
      background:
        radial-gradient(circle at 88% 10%,rgba(201,154,50,.16),transparent 28%),
        linear-gradient(145deg,#071a38,#0b3d91);
      color:#fff;
    }
    .article-page .article-header::after{
      content:"";
      position:absolute;
      left:48px;
      bottom:0;
      width:76px;
      height:4px;
      background:var(--gold);
      border-radius:4px 4px 0 0;
    }
    .article-page .article-kicker{
      display:inline-flex;
      align-items:center;
      margin-bottom:14px;
      padding:5px 11px;
      color:#ffe5a7;
      background:rgba(201,154,50,.13);
      border:1px solid rgba(255,218,128,.3);
      border-radius:999px;
      font-size:13px;
      font-weight:800;
    }
    .article-page .article-title{
      max-width:900px;
      margin:0;
      font-size:clamp(30px,4vw,48px);
      line-height:1.23;
      letter-spacing:-.02em;
    }
    .article-page .article-meta{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px 20px;
      margin-top:21px;
      color:#dce8ff;
      font-size:14px;
    }
    .article-page .article-meta span{
      display:inline-flex;
      align-items:center;
      gap:6px;
    }
    .article-page .article-meta span::before{
      content:"";
      width:6px;
      height:6px;
      background:#dfb652;
      border-radius:50%;
    }
    .article-page .article-body{
      min-width:0;
      max-width:100%;
      overflow-x:auto;
      padding:40px 48px 44px;
      color:#26364d;
      font-size:17px;
      line-height:1.9;
    }
    .article-page .article-body>*:first-child{margin-top:0}
    .article-page .article-body>*:last-child{margin-bottom:0}
    .article-page .article-body h2,
    .article-page .article-body h3,
    .article-page .article-body h4{
      color:#132a4c;
      line-height:1.4;
      scroll-margin-top:24px;
    }
    .article-page .article-body h2{
      margin:36px 0 15px;
      padding-left:13px;
      border-left:4px solid var(--theme);
      font-size:27px;
    }
    .article-page .article-body h3{margin:30px 0 12px;font-size:22px}
    .article-page .article-body p{margin:0 0 20px}
    .article-page .article-body a{
      color:var(--theme);
      text-decoration:underline;
      text-underline-offset:3px;
    }
    .article-page .article-body img,
    .article-page .article-body video,
    .article-page .article-body iframe{
      max-width:100%;
      height:auto;
      border-radius:13px;
    }
    .article-page .article-body table{
      width:100%;
      max-width:100%;
      border-collapse:collapse;
    }
    .article-page .article-body th,
    .article-page .article-body td{
      padding:11px 13px;
      border:1px solid var(--line);
      text-align:left;
    }
    .article-page .article-body blockquote{
      margin:25px 0;
      padding:18px 22px;
      color:#324866;
      background:#f1f5fb;
      border-left:4px solid var(--gold);
      border-radius:0 12px 12px 0;
    }
    .article-page .article-body pre{
      max-width:100%;
      overflow-x:auto;
      padding:18px;
      color:#d9e7ff;
      background:#071a38;
      border-radius:12px;
    }
    .article-page .article-tags{
      display:flex;
      align-items:flex-start;
      flex-wrap:wrap;
      gap:9px;
      padding:0 48px 34px;
    }
    .article-page .article-tags-label{
      color:#4d5f78;
      font-weight:800;
    }
    .article-page .article-tags a{
      display:inline-flex;
      padding:5px 11px;
      color:var(--theme);
      background:var(--theme-light);
      border:1px solid #ccdaf2;
      border-radius:999px;
      font-size:13px;
    }
    .article-page .article-navigation{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      padding:27px 48px 43px;
      border-top:1px solid var(--line);
    }
    .article-page .article-navigation a{
      min-width:0;
      padding:15px 17px;
      background:#f8fafc;
      border:1px solid var(--line);
      border-radius:12px;
      transition:border-color .2s ease,transform .2s ease;
    }
    .article-page .article-navigation a:hover{
      transform:translateY(-2px);
      border-color:#9db5dd;
    }
    .article-page .article-navigation small{
      display:block;
      margin-bottom:4px;
      color:#77869b;
    }
    .article-page .article-navigation strong{
      display:block;
      color:#203653;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .article-page .article-navigation .next{text-align:right}

    .article-page .article-sidebar{
      position:sticky;
      top:24px;
      display:grid;
      gap:20px;
    }
    .article-page .sidebar-card{
      overflow:hidden;
      background:#fff;
      border:1px solid var(--line);
      border-radius:17px;
      box-shadow:0 12px 34px rgba(15,34,67,.07);
    }
    .article-page .sidebar-title{
      margin:0;
      padding:18px 20px;
      color:#fff;
      background:#0b3d91;
      font-size:18px;
    }
    .article-page .article-guide{
      padding:18px 20px;
      color:#52627a;
      font-size:14px;
    }
    .article-page .article-guide p{margin:0 0 12px}
    .article-page .article-guide a{
      display:flex;
      justify-content:center;
      padding:10px 13px;
      color:#fff;
      background:var(--theme);
      border-radius:9px;
      font-weight:800;
    }
    .article-page .related-list{display:grid;padding:7px 18px 14px}
    .article-page .related-item{
      display:grid;
      grid-template-columns:76px minmax(0,1fr);
      gap:11px;
      padding:12px 0;
      border-bottom:1px solid var(--line);
    }
    .article-page .related-item:last-child{border-bottom:0}
    .article-page .related-item img{
      width:76px;
      height:62px;
      object-fit:cover;
      border-radius:8px;
      background:#edf1f7;
    }
    .article-page .related-copy{min-width:0}
    .article-page .related-copy strong{
      display:-webkit-box;
      overflow:hidden;
      color:#263953;
      font-size:14px;
      line-height:1.5;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }
    .article-page .related-copy span{
      display:block;
      margin-top:5px;
      color:#8290a3;
      font-size:12px;
    }
    .article-page .related-item:hover strong{color:var(--theme)}
    .article-page .risk-note{
      padding:20px;
      color:#7c3d1d;
      background:#fff8eb;
      border:1px solid #f0d7a4;
      border-radius:17px;
      font-size:13px;
    }
    .article-page .risk-note strong{
      display:block;
      margin-bottom:5px;
      color:#9a4b22;
      font-size:15px;
    }

    .footer{
      color:#cbd6e8;
      background:#071a38;
      border-top:4px solid var(--theme);
    }
    .footer-main{
      display:grid;
      grid-template-columns:1.45fr 1fr 1fr 1fr;
      gap:42px;
      padding:56px 0 42px;
    }
    .footer .logo{color:#fff}
    .footer .logo img{background:#fff}
    .footer-brand p{
      max-width:430px;
      margin:18px 0;
      color:#9fb0c8;
      font-size:14px;
    }
    .footer-social a{
      display:inline-flex;
      padding:8px 12px;
      color:#fff;
      border:1px solid rgba(255,255,255,.2);
      border-radius:8px;
    }
    .footer-title{
      margin:0 0 16px;
      color:#fff;
      font-size:16px;
    }
    .footer-links,
    .footer-contact{display:grid;gap:9px}
    .footer-links a,
    .footer-contact a{
      color:#aebcd1;
      font-size:14px;
    }
    .footer-links a:hover,
    .footer-contact a:hover{color:#fff}
    .footer-contact span{
      color:#7287a5;
      font-size:12px;
    }
    .footer-bottom{
      min-height:70px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      color:#8497b2;
      border-top:1px solid rgba(255,255,255,.1);
      font-size:13px;
    }
    .footer-bottom-links{display:flex;gap:18px}
    .footer-bottom-links a:hover{color:#fff}

    @media (max-width:1100px){
      .main-nav{display:none}
      .hamburger{display:flex}
      .header-inner{min-height:70px}
      .header-btns{margin-left:auto}
      .article-page .article-layout{grid-template-columns:minmax(0,1fr) 285px}
    }
    @media (max-width:850px){
      .article-page .article-layout{grid-template-columns:1fr}
      .article-page .article-sidebar{position:static;grid-template-columns:1fr 1fr}
      .article-page .sidebar-card:first-child{grid-column:1/-1}
      .footer-main{grid-template-columns:1fr 1fr}
    }
    @media (max-width:640px){
      .container{width:min(100% - 28px,1180px)}
      .topbar-inner{
        min-height:52px;
        align-items:flex-start;
        flex-direction:column;
        justify-content:center;
        gap:1px;
      }
      .topbar-contact{gap:7px 14px;flex-wrap:wrap}
      .header-inner{gap:10px}
      .header .logo span{max-width:120px}
      .header-btns>*:not(.hamburger):not(.account-open){display:none}
      .account-open{min-height:38px;padding:0 12px}
      .article-page{padding-top:20px}
      .article-page .article-header{padding:31px 23px 26px}
      .article-page .article-header::after{left:23px}
      .article-page .article-title{font-size:29px}
      .article-page .article-body{padding:29px 23px 33px;font-size:16px}
      .article-page .article-body h2{font-size:23px}
      .article-page .article-tags{padding:0 23px 27px}
      .article-page .article-navigation{
        grid-template-columns:1fr;
        padding:23px;
      }
      .article-page .article-navigation .next{text-align:left}
      .article-page .article-sidebar{grid-template-columns:1fr}
      .article-page .sidebar-card:first-child{grid-column:auto}
      .footer-main{grid-template-columns:1fr;gap:30px;padding:44px 0 34px}
      .footer-bottom{
        align-items:flex-start;
        flex-direction:column;
        justify-content:center;
        padding:20px 0;
      }
    }