:root{
      --primary:#0B3D91;
      --primary-deep:#082d6b;
      --cyan:#19c7d8;
      --ink:#14213d;
      --muted:#667085;
      --line:#dfe6f1;
      --soft:#f3f6fb;
      --white:#fff;
      --shadow:0 18px 45px rgba(11,61,145,.10);
      --radius:18px;
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:#f7f9fc;
      font-family:"PingFang SC","Microsoft YaHei",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(var(--container),calc(100% - 40px));margin:0 auto}

    .topbar{
      background:#071d49;
      color:#dbe8ff;
      font-size:13px;
    }
    .topbar-inner{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .topbar-links{display:flex;align-items:center;gap:20px}
    .topbar a{color:#dbe8ff;transition:color .2s}
    .topbar a:hover{color:var(--cyan)}

    .header{
      position:relative;
      z-index:20;
      background:rgba(255,255,255,.96);
      border-bottom:1px solid #e8edf5;
      box-shadow:0 4px 18px rgba(15,36,75,.04);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:28px;
    }
    .logo{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      gap:9px;
      color:var(--primary);
      font-weight:800;
      letter-spacing:.02em;
      white-space:nowrap;
    }
    .logo img{
      width:30px;
      height:30px;
      object-fit:contain;
      border-radius:8px;
    }
    .logo-mark{
      width:34px;
      height:34px;
      display:inline-grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--cyan));
      border-radius:10px;
      font-size:12px;
      font-weight:900;
    }
    .main-nav{margin-left:auto}
    .nav-list{
      display:flex;
      align-items:stretch;
      gap:4px;
      list-style:none;
      margin:0;
      padding:0;
    }
    .nav-item{position:relative}
    .nav-link{
      min-height:78px;
      display:flex;
      align-items:center;
      padding:0 14px;
      color:#253454;
      font-size:15px;
      font-weight:600;
      white-space:nowrap;
      transition:color .2s,background .2s;
    }
    .nav-link:hover,.nav-link:focus-visible{
      color:var(--primary);
      background:#f3f7ff;
    }
    .nav-item:has(.mega-menu)>.nav-link::after,
    .nav-item:has(.dropdown-panel)>.nav-link::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%;
      z-index:30;
      opacity:0;
      visibility:hidden;
      transform:translate(-50%,8px);
      transition:opacity .2s,visibility .2s,transform .2s;
      background:#fff;
      border:1px solid #e1e8f2;
      border-radius:0 0 18px 18px;
      box-shadow:0 22px 48px rgba(7,29,73,.16);
    }
    .dropdown-panel{width:310px;padding:22px}
    .mega-menu{width:650px;padding:25px}
    .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::before,.mega-menu::before{
      content:"";
      position:absolute;
      left:0;
      right:0;
      top:-12px;
      height:12px;
    }
    .menu-heading{
      margin:0 0 13px;
      color:var(--primary);
      font-size:14px;
      letter-spacing:.04em;
    }
    .menu-list{list-style:none;margin:0;padding:0}
    .menu-list li+li{border-top:1px solid #edf1f6}
    .menu-list a{
      display:flex;
      align-items:center;
      gap:8px;
      min-height:39px;
      color:#41516f;
      font-size:13px;
    }
    .menu-list a:hover{color:var(--primary)}
    .mega-grid{display:grid;grid-template-columns:1.3fr .9fr;gap:30px}
    .broker-mega-card,.video-mega-card{
      display:flex;
      align-items:center;
      gap:10px;
      padding:9px 0;
      border-top:1px solid #edf1f6;
    }
    .broker-mega-card img{
      width:38px;height:38px;object-fit:contain;border-radius:9px;background:#f4f7fb;
    }
    .video-mega-card img{
      width:78px;height:46px;object-fit:cover;border-radius:8px;background:#eef3fa;
    }
    .broker-mega-card span,.video-mega-card span{min-width:0}
    .mega-title{
      display:block;
      overflow:hidden;
      color:#233352;
      font-size:13px;
      white-space:nowrap;
      text-overflow:ellipsis;
    }
    .mega-meta{
      display:block;
      color:#8290a7;
      font-size:11px;
      line-height:1.55;
    }
    .menu-list img{
      width:20px;
      height:20px;
      object-fit:contain;
      display:inline-block;
      vertical-align:middle;
    }
    .header-btns{
      display:flex;
      align-items:center;
      gap:13px;
      color:var(--primary);
      font-size:13px;
      font-weight:700;
      white-space:nowrap;
    }
    .account-link{
      padding:9px 15px;
      color:#fff;
      background:var(--primary);
      border-radius:999px;
      transition:background .2s,transform .2s;
    }
    .account-link:hover{background:var(--primary-deep);transform:translateY(-1px)}
    .hamburger{
      display:none;
      width:42px;
      height:42px;
      padding:9px;
      border:1px solid #dbe4f1;
      border-radius:10px;
      background:#fff;
      cursor:pointer;
    }
    .hamburger span{
      display:block;
      width:22px;
      height:2px;
      margin:4px auto;
      background:var(--primary);
      transition:transform .2s,opacity .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(4,18,48,.52);
      opacity:0;
      visibility:hidden;
      transition:opacity .25s,visibility .25s;
    }
    .drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{
      position:fixed;
      top:0;
      right:0;
      bottom:0;
      z-index:50;
      width:min(380px,88vw);
      padding:20px;
      overflow:auto;
      background:#fff;
      box-shadow:-15px 0 40px rgba(4,18,48,.18);
      transform:translateX(100%);
      transition:transform .28s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      display:flex;
      align-items:center;
      gap:13px;
      min-height:48px;
      padding-bottom:16px;
      border-bottom:1px solid var(--line);
      color:var(--primary);
      font-weight:700;
    }
    .drawer-head>a{
      margin-left:auto;
      padding:7px 13px;
      color:#fff;
      background:var(--primary);
      border-radius:999px;
      font-size:13px;
    }
    .drawer-close{
      width:36px;
      height:36px;
      border:1px solid var(--line);
      border-radius:9px;
      color:var(--primary);
      background:#fff;
      font-size:24px;
      line-height:1;
      cursor:pointer;
    }
    .drawer-menu{padding:12px 0 30px}
    .drawer-link,.drawer-toggle{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      min-height:48px;
      padding:0 4px;
      border:0;
      border-bottom:1px solid #edf1f6;
      color:#263653;
      background:transparent;
      text-align:left;
      font-size:15px;
      cursor:pointer;
    }
    .drawer-toggle::after{
      content:"+";
      color:#7d8aa0;
      font-size:20px;
      font-weight:300;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      display:none;
      padding:4px 0 8px 16px;
      background:#f7f9fc;
      border-radius:10px;
    }
    .drawer-submenu.open{display:block}
    .drawer-submenu a{
      display:block;
      padding:7px 5px;
      color:#66748a;
      font-size:13px;
    }

    .category-page{padding:62px 0 84px}
    .page-intro{
      position:relative;
      overflow:hidden;
      padding:46px clamp(24px,5vw,68px);
      color:#fff;
      background:
        radial-gradient(circle at 84% 18%,rgba(25,199,216,.34),transparent 27%),
        linear-gradient(135deg,#082d6b,#0B3D91 54%,#124ca7);
      border-radius:28px;
      box-shadow:var(--shadow);
    }
    .page-intro::after{
      content:"";
      position:absolute;
      right:-80px;
      bottom:-120px;
      width:300px;
      height:300px;
      border:1px solid rgba(255,255,255,.18);
      border-radius:50%;
      box-shadow:0 0 0 28px rgba(255,255,255,.04),0 0 0 58px rgba(255,255,255,.03);
    }
    .eyebrow{
      position:relative;
      z-index:1;
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin:0 0 13px;
      color:#a9f6fb;
      font-size:13px;
      font-weight:700;
      letter-spacing:.1em;
    }
    .eyebrow::before{
      content:"";
      width:25px;
      height:2px;
      background:var(--cyan);
    }
    .page-intro h1{
      position:relative;
      z-index:1;
      max-width:700px;
      margin:0 0 13px;
      font-size:clamp(32px,5vw,56px);
      line-height:1.16;
      letter-spacing:-.04em;
    }
    .page-intro p{
      position:relative;
      z-index:1;
      max-width:700px;
      margin:0;
      color:#dceaff;
      font-size:16px;
    }
    .content-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 285px;
      gap:30px;
      align-items:start;
      margin-top:36px;
    }
    .article-list{display:grid;gap:20px}
    .article-card{
      display:grid;
      grid-template-columns:290px minmax(0,1fr);
      min-width:0;
      overflow:hidden;
      background:#fff;
      border:1px solid #e6ebf3;
      border-radius:18px;
      box-shadow:0 8px 24px rgba(20,45,92,.05);
      transition:transform .22s,box-shadow .22s,border-color .22s;
    }
    .article-card:hover{
      transform:translateY(-3px);
      border-color:#c7d9f5;
      box-shadow:0 16px 34px rgba(11,61,145,.12);
    }
    .article-cover{
      min-height:220px;
      background:#edf3fb;
    }
    .article-cover img{width:100%;height:100%;min-height:220px;object-fit:cover}
    .article-body{
      min-width:0;
      padding:24px 26px 22px;
    }
    .article-category{
      display:inline-block;
      margin-bottom:9px;
      padding:4px 10px;
      color:var(--primary);
      background:#eaf2ff;
      border-radius:999px;
      font-size:12px;
      font-weight:700;
    }
    .article-title{
      margin:0 0 10px;
      color:#172744;
      font-size:22px;
      line-height:1.4;
    }
    .article-title a:hover{color:var(--primary)}
    .article-summary{
      display:-webkit-box;
      overflow:hidden;
      margin:0 0 17px;
      color:#68768d;
      font-size:14px;
      line-height:1.8;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:3;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px 15px;
      color:#8995a8;
      font-size:12px;
    }
    .article-meta span+span::before{
      content:"·";
      margin-right:15px;
      color:#c1cada;
    }
    .article-tags{
      display:flex;
      flex-wrap:wrap;
      gap:7px;
      margin-top:14px;
    }
    .article-tags a{
      padding:4px 9px;
      color:#5d7193;
      background:#f2f5f9;
      border-radius:6px;
      font-size:12px;
    }
    .article-tags a:hover{color:var(--primary);background:#eaf2ff}
    .read-more{
      display:inline-flex;
      align-items:center;
      gap:7px;
      margin-top:17px;
      color:var(--primary);
      font-size:13px;
      font-weight:800;
    }
    .read-more::after{content:"→";font-size:17px;transition:transform .2s}
    .read-more:hover::after{transform:translateX(4px)}
    .sidebar{
      position:sticky;
      top:20px;
      display:grid;
      gap:20px;
    }
    .side-card{
      padding:23px;
      background:#fff;
      border:1px solid #e6ebf3;
      border-radius:18px;
      box-shadow:0 8px 24px rgba(20,45,92,.05);
    }
    .side-card h2{
      margin:0 0 15px;
      color:#192b4c;
      font-size:18px;
    }
    .side-card p{margin:0;color:#738096;font-size:13px;line-height:1.8}
    .side-links{list-style:none;margin:0;padding:0}
    .side-links li+li{border-top:1px solid #edf1f6}
    .side-links a{
      display:flex;
      justify-content:space-between;
      gap:10px;
      padding:12px 0;
      color:#51627d;
      font-size:13px;
    }
    .side-links a::after{content:"›";color:var(--cyan);font-size:18px;line-height:1}
    .side-links a:hover{color:var(--primary)}
    .side-highlight{
      color:#fff;
      background:linear-gradient(145deg,#0b3d91,#09285d);
    }
    .side-highlight h2{color:#fff}
    .side-highlight p{color:#c8dbf7}
    .side-button{
      display:inline-block;
      margin-top:18px;
      padding:9px 15px;
      color:var(--primary);
      background:#fff;
      border-radius:999px;
      font-size:13px;
      font-weight:700;
    }
    .pagination{
      display:flex;
      flex-wrap:wrap;
      justify-content:center;
      gap:8px;
      margin-top:35px;
    }
    .pagination a{
      min-width:38px;
      height:38px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:0 12px;
      color:#62718a;
      background:#fff;
      border:1px solid #e0e7f1;
      border-radius:9px;
      font-size:13px;
    }
    .pagination a:hover,.pagination a.active{
      color:#fff;
      background:var(--primary);
      border-color:var(--primary);
    }

    .footer{
      color:#c7d5ee;
      background:#071a3e;
    }
    .footer-main{
      display:grid;
      grid-template-columns:1.5fr 1fr 1.15fr 1fr;
      gap:35px;
      padding:52px 0 45px;
    }
    .footer h3{
      margin:0 0 15px;
      color:#fff;
      font-size:15px;
    }
    .footer-brand>span{
      display:block;
      margin-bottom:12px;
      color:#fff;
      font-size:20px;
      font-weight:800;
    }
    .footer-brand p{max-width:300px;margin:0;color:#9fb1d0;font-size:13px;line-height:1.9}
    .footer-links{list-style:none;margin:0;padding:0}
    .footer-links li+li{margin-top:8px}
    .footer-links a,.footer-contact a,.footer-contact span{
      color:#aebeda;
      font-size:13px;
    }
    .footer-links a:hover,.footer-contact a:hover{color:var(--cyan)}
    .footer-contact{display:grid;gap:9px}
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.1);
      color:#879abd;
      font-size:12px;
    }
    .footer-bottom-inner{
      min-height:58px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }

    @media (max-width:1050px){
      .header-inner{gap:15px}
      .nav-link{padding:0 8px;font-size:14px}
      .header-btns{gap:8px}
      .mega-menu{width:590px}
      .content-layout{grid-template-columns:minmax(0,1fr) 250px}
      .article-card{grid-template-columns:245px minmax(0,1fr)}
    }
    @media (max-width:820px){
      .container{width:min(var(--container),calc(100% - 28px))}
      .topbar-inner{min-height:36px;font-size:11px}
      .topbar-links{gap:10px}
      .main-nav{display:none}
      .header-inner{min-height:68px}
      .header-btns{margin-left:auto}
      .hamburger{display:block}
      .content-layout{grid-template-columns:1fr}
      .sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-main{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
    }
    @media (max-width:600px){
      .topbar-inner{align-items:flex-start;flex-direction:column;justify-content:center;gap:0;padding:7px 0}
      .topbar-links{display:none}
      .logo>span:last-child{max-width:145px;overflow:hidden;text-overflow:ellipsis}
      .header-btns>span{display:none}
      .page-intro{padding:35px 24px;border-radius:20px}
      .category-page{padding:34px 0 58px}
      .page-intro h1{font-size:34px}
      .page-intro p{font-size:14px}
      .article-card{display:block}
      .article-cover,.article-cover img{height:205px;min-height:205px}
      .article-body{padding:20px}
      .article-title{font-size:19px}
      .article-summary{-webkit-line-clamp:4}
      .sidebar{grid-template-columns:1fr}
      .footer-main{grid-template-columns:1fr;padding:38px 0 32px}
      .footer-bottom-inner{align-items:flex-start;flex-direction:column;justify-content:center;padding:13px 0}
    }