:root{
      --theme:#0B3D91;
      --template-theme:{主题色};
      --theme-dark:#06265e;
      --theme-light:#eaf1fc;
      --forest:#173f35;
      --moss:#6f7f53;
      --cream:#f8f5eb;
      --ink:#17202d;
      --muted:#667085;
      --line:#e4e7ec;
      --white:#fff;
      --shadow:0 18px 45px rgba(11,61,145,.10);
      --radius:18px;
    }
    *{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;
    }
    body,button,input{font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button{color:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .topbar{
      min-height:38px;
      color:#dce8fb;
      background:var(--theme-dark);
      font-size:13px;
    }
    .topbar .container{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .topbar-info{display:flex;align-items:center;gap:22px}
    .topbar a{transition:color .2s ease}
    .topbar a:hover{color:#fff}
    .header{
      position:relative;
      z-index:50;
      background:rgba(255,255,255,.98);
      border-bottom:1px solid #e7ebf1;
      box-shadow:0 5px 20px rgba(16,24,40,.04);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:30px;
    }
    .logo{
      flex:0 0 auto;
      display:flex;
      align-items:center;
      gap:11px;
      max-width:220px;
      color:var(--theme-dark);
      font-size:20px;
      font-weight:800;
      letter-spacing:-.02em;
    }
    .logo img{
      width:42px;
      height:42px;
      border-radius:11px;
      object-fit:contain;
      background:#fff;
    }
    .logo span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .main-nav{margin-left:auto;align-self:stretch}
    .nav-list{
      height:100%;
      display:flex;
      align-items:stretch;
      gap:2px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .nav-item{
      position:relative;
      display:flex;
      align-items:stretch;
    }
    .nav-link{
      display:flex;
      align-items:center;
      padding:0 13px;
      color:#344054;
      font-size:15px;
      font-weight:650;
      white-space:nowrap;
      transition:color .2s ease,background .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:-4px 0 0 8px;
      border-right:1.5px solid currentColor;
      border-bottom:1.5px solid currentColor;
      transform:rotate(45deg);
    }
    .dropdown-panel,.mega-menu{
      position:absolute;
      top:100%;
      left:0;
      z-index:70;
      visibility:hidden;
      opacity:0;
      transform:translateY(8px);
      background:#fff;
      border:1px solid #e6eaf0;
      border-radius:0 0 16px 16px;
      box-shadow:0 22px 55px rgba(17,37,70,.16);
      transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
    }
    .dropdown-panel{
      width:320px;
      padding:20px;
    }
    .mega-menu{
      width:min(720px,75vw);
      padding:24px;
    }
    .nav-item:nth-last-child(-n+3) .mega-menu{left:auto;right:0}
    .nav-item:hover>.dropdown-panel,
    .nav-item:hover>.mega-menu,
    .nav-item:focus-within>.dropdown-panel,
    .nav-item:focus-within>.mega-menu{
      visibility:visible;
      opacity:1;
      transform:translateY(0);
    }
    .mega-grid{
      display:grid;
      grid-template-columns:minmax(0,1fr) minmax(0,1fr);
      gap:28px;
    }
    .mega-heading{
      margin:0 0 13px;
      color:var(--theme-dark);
      font-size:14px;
      font-weight:800;
      letter-spacing:.04em;
    }
    .mega-menu p:not(.mega-heading){
      margin:0 0 15px;
      color:var(--muted);
      font-size:14px;
    }
    .mega-list,.broker-mini,.video-mini,.product-mini{
      display:grid;
      gap:7px;
    }
    .mega-list a,.broker-mini a,.video-mini a,.product-mini a{
      min-width:0;
      padding:9px 10px;
      color:#344054;
      border-radius:9px;
      font-size:13px;
      line-height:1.45;
      transition:background .2s ease,color .2s ease;
    }
    .mega-list a:hover,.broker-mini a:hover,.video-mini a:hover,.product-mini a:hover{
      color:var(--theme);
      background:var(--theme-light);
    }
    .mega-list img{
      display:inline-block;
      width:22px;
      height:22px;
      margin-right:7px;
      object-fit:contain;
      vertical-align:middle;
    }
    .mega-list small,.broker-mini small,.video-mini small,.product-mini small{color:var(--muted)}
    .mega-footer{
      display:inline-flex;
      align-items:center;
      margin-top:14px;
      color:var(--theme);
      font-size:13px;
      font-weight:750;
    }
    .mega-footer::after{content:"→";margin-left:6px}
    .header-btns{
      flex:0 0 auto;
      display:flex;
      align-items:center;
      gap:9px;
    }
    .member-btn,.open-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:40px;
      padding:0 15px;
      border-radius:10px;
      font-size:14px;
      font-weight:700;
    }
    .member-btn{color:var(--theme);background:var(--theme-light)}
    .open-btn{color:#fff;background:var(--theme);box-shadow:0 9px 20px rgba(11,61,145,.2)}
    .hamburger{
      display:none;
      width:42px;
      height:42px;
      padding:9px;
      cursor:pointer;
      border:1px solid #d9e0e9;
      border-radius:10px;
      background:#fff;
    }
    .hamburger span{
      display:block;
      width:100%;
      height:2px;
      margin:4px 0;
      border-radius:2px;
      background:var(--theme-dark);
      transition:transform .2s ease,opacity .2s ease;
    }
    .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:80;
      visibility:hidden;
      opacity:0;
      background:rgba(4,16,35,.58);
      transition:opacity .25s ease,visibility .25s ease;
    }
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{
      position:fixed;
      top:0;
      right:0;
      z-index:90;
      width:min(390px,88vw);
      height:100%;
      overflow-y:auto;
      background:#fff;
      box-shadow:-18px 0 48px rgba(0,0,0,.18);
      transform:translateX(105%);
      transition:transform .28s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      min-height:72px;
      display:flex;
      align-items:center;
      gap:10px;
      padding:14px 18px;
      color:#fff;
      background:var(--theme-dark);
    }
    .drawer-head>span{margin-right:auto;font-weight:700}
    .drawer-head>a{
      padding:7px 11px;
      border:1px solid rgba(255,255,255,.35);
      border-radius:8px;
      font-size:13px;
    }
    .drawer-close{
      width:36px;
      height:36px;
      padding:0;
      color:#fff;
      cursor:pointer;
      border:0;
      background:transparent;
      font-size:30px;
      line-height:1;
    }
    .drawer-menu{padding:14px 18px 28px}
    .drawer-link,.drawer-toggle{
      width:100%;
      min-height:48px;
      display:flex;
      align-items:center;
      padding:10px 4px;
      border:0;
      border-bottom:1px solid #edf0f4;
      background:transparent;
      font-size:15px;
      font-weight:700;
      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-left:2px solid var(--theme-light);
    }
    .drawer-submenu.open{display:grid}
    .drawer-submenu a{
      padding:9px 8px;
      color:var(--muted);
      border-radius:7px;
      font-size:13px;
    }
    .drawer-submenu a:hover{color:var(--theme);background:var(--theme-light)}

    .video-page{min-height:680px}
    .video-page .video-masthead{
      position:relative;
      overflow:hidden;
      padding:78px 0 92px;
      color:#fff;
      background:
        radial-gradient(circle at 14% 20%,rgba(125,160,103,.32),transparent 30%),
        radial-gradient(circle at 84% 15%,rgba(255,255,255,.12),transparent 25%),
        linear-gradient(135deg,var(--forest),var(--theme-dark) 74%);
    }
    .video-page .video-masthead::after{
      content:"";
      position:absolute;
      right:-8%;
      bottom:-115px;
      width:620px;
      height:250px;
      border:1px solid rgba(255,255,255,.16);
      border-radius:50%;
      transform:rotate(-7deg);
    }
    .video-page .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:18px;
      padding:7px 12px;
      color:#eff5df;
      border:1px solid rgba(255,255,255,.2);
      border-radius:999px;
      background:rgba(255,255,255,.08);
      font-size:13px;
      font-weight:700;
    }
    .video-page .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:#b9d486;
      box-shadow:0 0 0 5px rgba(185,212,134,.15);
    }
    .video-page .video-masthead h1{
      max-width:800px;
      margin:0;
      font-size:clamp(36px,5vw,62px);
      line-height:1.12;
      letter-spacing:-.04em;
    }
    .video-page .video-masthead p{
      max-width:720px;
      margin:22px 0 0;
      color:#dce8e2;
      font-size:17px;
    }
    .video-page .category-wrap{
      position:relative;
      z-index:3;
      margin-top:-34px;
    }
    .video-page .category-panel{
      display:flex;
      align-items:center;
      gap:12px;
      overflow-x:auto;
      padding:18px;
      background:#fff;
      border:1px solid #e6eaf0;
      border-radius:16px;
      box-shadow:var(--shadow);
      scrollbar-width:thin;
    }
    .video-page .category-label{
      flex:0 0 auto;
      padding:8px 12px;
      color:var(--theme-dark);
      font-weight:800;
    }
    .video-page .category-panel a{
      flex:0 0 auto;
      padding:9px 15px;
      color:#475467;
      border:1px solid #e2e7ee;
      border-radius:999px;
      background:#fbfcfe;
      font-size:14px;
      font-weight:650;
      transition:all .2s ease;
    }
    .video-page .category-panel a:hover{
      color:#fff;
      border-color:var(--theme);
      background:var(--theme);
    }
    .video-page .video-content{padding:66px 0 88px}
    .video-page .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:28px;
    }
    .video-page .section-head h2{
      margin:0 0 5px;
      color:var(--theme-dark);
      font-size:30px;
      line-height:1.25;
    }
    .video-page .section-head p{margin:0;color:var(--muted)}
    .video-page .section-note{
      flex:0 0 auto;
      padding:8px 12px;
      color:var(--moss);
      border-radius:9px;
      background:#edf2e5;
      font-size:13px;
      font-weight:700;
    }
    .video-page .video-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:24px;
    }
    .video-page .video-card{
      min-width:0;
      overflow:hidden;
      background:#fff;
      border:1px solid #e5e9ef;
      border-radius:var(--radius);
      box-shadow:0 8px 24px rgba(16,24,40,.05);
      transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
    }
    .video-page .video-card:hover{
      transform:translateY(-5px);
      border-color:#c8d5e9;
      box-shadow:0 20px 42px rgba(11,61,145,.13);
    }
    .video-page .video-cover{
      position:relative;
      display:block;
      overflow:hidden;
      aspect-ratio:16/9;
      background:linear-gradient(135deg,#dfe8f5,#b9cbe5);
    }
    .video-page .video-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .35s ease;
    }
    .video-page .video-card:hover .video-cover img{transform:scale(1.04)}
    .video-page .play-button{
      position:absolute;
      top:50%;
      left:50%;
      width:54px;
      height:54px;
      display:grid;
      place-items:center;
      color:#fff;
      border:1px solid rgba(255,255,255,.7);
      border-radius:50%;
      background:rgba(11,61,145,.86);
      box-shadow:0 10px 25px rgba(0,0,0,.24);
      transform:translate(-50%,-50%);
    }
    .video-page .play-button::before{
      content:"";
      margin-left:4px;
      border-top:8px solid transparent;
      border-bottom:8px solid transparent;
      border-left:13px solid #fff;
    }
    .video-page .video-duration{
      position:absolute;
      right:10px;
      bottom:10px;
      padding:4px 8px;
      color:#fff;
      border-radius:6px;
      background:rgba(10,18,31,.82);
      font-size:12px;
      font-weight:700;
    }
    .video-page .video-card-body{padding:20px}
    .video-page .video-card-body h3{
      margin:0 0 10px;
      color:#182230;
      font-size:18px;
      line-height:1.45;
    }
    .video-page .video-card-body h3 a:hover{color:var(--theme)}
    .video-page .video-card-body p{
      display:-webkit-box;
      min-height:52px;
      margin:0 0 18px;
      overflow:hidden;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }
    .video-page .watch-link{
      display:inline-flex;
      align-items:center;
      color:var(--theme);
      font-size:14px;
      font-weight:800;
    }
    .video-page .watch-link::after{
      content:"→";
      margin-left:7px;
      transition:transform .2s ease;
    }
    .video-page .watch-link:hover::after{transform:translateX(4px)}
    .video-page .pagination{
      display:flex;
      flex-wrap:wrap;
      justify-content:center;
      gap:8px;
      margin-top:46px;
    }
    .video-page .pagination a{
      min-width:42px;
      min-height:42px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:8px 13px;
      color:#475467;
      border:1px solid #dfe4eb;
      border-radius:10px;
      background:#fff;
      font-size:14px;
      font-weight:700;
      transition:all .2s ease;
    }
    .video-page .pagination a:hover,
    .video-page .pagination a.active,
    .video-page .pagination a.current{
      color:#fff;
      border-color:var(--theme);
      background:var(--theme);
    }
    .video-page .learning-callout{
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      align-items:center;
      gap:30px;
      margin-top:70px;
      padding:34px 38px;
      color:#fff;
      border-radius:22px;
      background:linear-gradient(125deg,var(--theme-dark),var(--forest));
      box-shadow:var(--shadow);
    }
    .video-page .learning-callout h2{margin:0 0 8px;font-size:27px}
    .video-page .learning-callout p{margin:0;color:#d8e5e2}
    .video-page .learning-callout a{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:46px;
      padding:0 20px;
      color:var(--theme-dark);
      border-radius:11px;
      background:var(--cream);
      font-weight:800;
      white-space:nowrap;
    }

    .footer{
      color:#dce5f2;
      background:#071c3c;
    }
    .footer .container{padding-top:58px}
    .footer-grid{
      display:grid;
      grid-template-columns:1.45fr .8fr .9fr 1fr;
      gap:42px;
      padding-bottom:42px;
    }
    .footer-brand{
      margin-bottom:14px;
      color:#fff;
      font-size:23px;
      font-weight:850;
    }
    .footer h3{
      margin:0 0 17px;
      color:#fff;
      font-size:15px;
    }
    .footer p{margin:0 0 10px;color:#aebbd0;font-size:14px}
    .footer-grid>div>a{
      display:block;
      margin:0 0 10px;
      color:#b9c5d7;
      font-size:14px;
      transition:color .2s ease,transform .2s ease;
    }
    .footer-grid>div>a:hover{color:#fff;transform:translateX(3px)}
    .footer-bottom{
      min-height:68px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      color:#93a4bd;
      border-top:1px solid rgba(255,255,255,.1);
      font-size:13px;
    }

    @media (max-width:1080px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-inner{gap:16px}
      .header-btns{margin-left:auto}
      .video-page .video-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:720px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{padding:8px 0;align-items:flex-start;flex-direction:column;gap:3px}
      .topbar-info{gap:8px;flex-direction:column;align-items:flex-start}
      .header-inner{min-height:68px}
      .logo{max-width:170px;font-size:17px}
      .logo img{width:37px;height:37px}
      .member-btn{display:none}
      .open-btn{min-height:38px;padding:0 12px}
      .video-page .video-masthead{padding:58px 0 78px}
      .video-page .video-masthead h1{font-size:38px}
      .video-page .video-masthead p{font-size:15px}
      .video-page .category-wrap{margin-top:-26px}
      .video-page .category-panel{padding:13px}
      .video-page .video-content{padding:52px 0 68px}
      .video-page .section-head{align-items:flex-start;flex-direction:column;gap:12px}
      .video-page .section-head h2{font-size:25px}
      .video-page .video-grid{grid-template-columns:1fr}
      .video-page .learning-callout{
        grid-template-columns:1fr;
        padding:28px 24px;
      }
      .video-page .learning-callout a{justify-self:start}
      .footer-grid{grid-template-columns:1fr;gap:28px}
      .footer-bottom{padding:18px 0;align-items:flex-start;flex-direction:column}
    }
    @media (max-width:430px){
      .open-btn{display:none}
      .video-page .video-masthead h1{font-size:33px}
      .video-page .video-card-body{padding:17px}
    }