:root{
      --primary:#0B3D91;
      --primary-dark:#062760;
      --primary-light:#eaf1ff;
      --accent:#d7aa45;
      --ink:#14213d;
      --muted:#64748b;
      --line:#dce5f2;
      --surface:#ffffff;
      --soft:#f4f7fb;
      --danger:#c73737;
      --shadow:0 18px 48px rgba(15,39,82,.12);
      --radius:18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:#fff;
      font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;
      line-height:1.65;
      -webkit-font-smoothing:antialiased;
    }
    body.drawer-locked{overflow:hidden}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}

    .topbar{
      color:#dce8ff;
      background:#061b42;
      border-bottom:1px solid rgba(255,255,255,.1);
      font-size:13px;
    }
    .topbar-inner{
      min-height:36px;
      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(14,38,77,.05);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:24px;
    }
    .logo{
      min-width:0;
      display:inline-flex;
      align-items:center;
      gap:11px;
      color:var(--primary-dark);
      font-size:20px;
      font-weight:800;
      letter-spacing:.01em;
    }
    .logo img{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:10px;
    }
    .logo span{white-space:nowrap}
    .main-nav{margin-left:auto}
    .nav-list{
      display:flex;
      align-items:stretch;
      gap:2px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .nav-item{position:relative}
    .nav-link{
      min-height:78px;
      padding:0 12px;
      display:flex;
      align-items:center;
      gap:6px;
      color:#24334f;
      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(--primary);
      background:var(--primary-light);
    }
    .has-arrow::after{
      content:"";
      width:6px;
      height:6px;
      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(-1px,-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 18px 18px;
      box-shadow:var(--shadow);
      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:-10px;
      height:10px;
    }
    .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:350px;padding:20px}
    .dropdown-title,.mega-heading{
      margin:0 0 13px;
      color:var(--primary-dark);
      font-size:14px;
      font-weight:800;
    }
    .dropdown-list{display:grid;gap:5px}
    .dropdown-article{
      padding:9px 10px;
      overflow:hidden;
      color:#384760;
      border-radius:9px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .dropdown-article:hover{color:var(--primary);background:var(--primary-light)}
    .dropdown-footer,.mega-footer{
      margin-top:14px;
      padding-top:13px;
      display:block;
      color:var(--primary);
      border-top:1px solid var(--line);
      font-size:13px;
      font-weight:750;
    }
    .mega-menu{
      width:min(940px,calc(100vw - 48px));
      padding:22px;
    }
    .nav-item:nth-last-child(-n+3) .mega-menu{
      left:auto;
      right:-120px;
      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-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:#41506a;
      background:var(--soft);
      border-radius:9px;
    }
    .mega-categories a:hover{color:#fff;background:var(--primary)}
    .mega-card{
      min-width:0;
      padding:13px;
      display:block;
      background:#f8faff;
      border:1px solid #e7edf7;
      border-radius:12px;
      transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
    }
    .mega-card:hover{
      transform:translateY(-2px);
      border-color:#b9ccef;
      box-shadow:0 9px 22px rgba(11,61,145,.1);
    }
    .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 34px;
      object-fit:contain;
      border-radius:8px;
      background:#fff;
    }
    .mega-name{
      display:block;
      overflow:hidden;
      color:#1d2d49;
      font-size:14px;
      font-weight:800;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-stats{
      margin-top:10px;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:6px;
      color:var(--muted);
      font-size:11px;
    }
    .mega-stats span{display:flex;flex-direction:column}
    .mega-stats strong{color:#253552;font-size:12px}
    .mega-summary{
      margin:8px 0 0;
      display:-webkit-box;
      overflow:hidden;
      color:var(--muted);
      font-size:12px;
      line-height:1.6;
      -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;
    }
    .video-meta,.product-meta{
      margin-top:8px;
      display:flex;
      justify-content:space-between;
      gap:8px;
      color:#728098;
      font-size:11px;
    }
    .header-btns{
      display:flex;
      align-items:center;
      gap:9px;
      white-space:nowrap;
    }
    .header-btns>a,.account-open{
      padding:9px 15px;
      color:var(--primary);
      border:1px solid #c8d7ef;
      border-radius:10px;
      font-size:14px;
      font-weight:750;
    }
    .header-btns .account-open{
      color:#fff;
      background:var(--primary);
      border-color:var(--primary);
    }
    .hamburger{
      width:42px;
      height:42px;
      padding:9px;
      display:none;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:5px;
      cursor:pointer;
      background:#fff;
      border:1px solid var(--line);
      border-radius:10px;
    }
    .hamburger span{
      width:20px;
      height:2px;
      background:var(--primary-dark);
      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:90;
      visibility:hidden;
      opacity:0;
      background:rgba(3,14,35,.62);
      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:100;
      width:min(390px,90vw);
      overflow-y:auto;
      background:#fff;
      box-shadow:-20px 0 50px rgba(0,0,0,.18);
      transform:translateX(105%);
      transition:transform .28s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      min-height:70px;
      padding:12px 16px;
      display:flex;
      align-items:center;
      gap:9px;
      color:#fff;
      background:var(--primary-dark);
    }
    .drawer-head>a{
      padding:7px 10px;
      border:1px solid rgba(255,255,255,.3);
      border-radius:8px;
      font-size:13px;
    }
    .drawer-close{
      width:38px;
      height:38px;
      margin-left:auto;
      color:#fff;
      cursor:pointer;
      background:transparent;
      border:0;
      font-size:30px;
      line-height:1;
    }
    .drawer-menu{padding:12px 16px 30px}
    .drawer-link,.drawer-toggle{
      width:100%;
      padding:14px 5px;
      display:block;
      color:#223451;
      text-align:left;
      cursor:pointer;
      background:none;
      border:0;
      border-bottom:1px solid var(--line);
      font-weight:750;
    }
    .drawer-toggle{
      position:relative;
      padding-right:30px;
    }
    .drawer-toggle::after{
      content:"+";
      position:absolute;
      right:6px;
      color:var(--primary);
      font-size:20px;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      max-height:0;
      overflow:hidden;
      background:var(--soft);
      transition:max-height .3s ease;
    }
    .drawer-submenu.open{max-height:720px}
    .drawer-submenu a{
      padding:10px 14px;
      display:block;
      color:#4b5c76;
      border-bottom:1px solid #e5ebf4;
      font-size:14px;
    }
    .drawer-submenu a:hover{color:var(--primary);background:#fff}

    .tools-page{
      min-height:650px;
      background:linear-gradient(180deg,#eff5ff 0,#fff 390px);
    }
    .tools-page .tools-hero{
      position:relative;
      padding:78px 0 62px;
      overflow:hidden;
      text-align:center;
      background:
        radial-gradient(circle at 18% 18%,rgba(215,170,69,.18),transparent 24%),
        radial-gradient(circle at 82% 26%,rgba(11,61,145,.15),transparent 28%);
    }
    .tools-page .tools-hero::before,
    .tools-page .tools-hero::after{
      content:"";
      position:absolute;
      border:1px solid rgba(11,61,145,.12);
      border-radius:50%;
    }
    .tools-page .tools-hero::before{width:260px;height:260px;left:-90px;top:-105px}
    .tools-page .tools-hero::after{width:330px;height:330px;right:-150px;bottom:-210px}
    .tools-page .eyebrow{
      margin:0 0 14px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary);
      font-size:13px;
      font-weight:800;
      letter-spacing:.12em;
    }
    .tools-page .eyebrow::before,.tools-page .eyebrow::after{
      content:"";
      width:28px;
      height:1px;
      background:var(--accent);
    }
    .tools-page .tools-hero h1{
      max-width:820px;
      margin:0 auto;
      color:#09285f;
      font-size:clamp(34px,5vw,62px);
      line-height:1.16;
      letter-spacing:-.035em;
    }
    .tools-page .tools-hero p{
      max-width:760px;
      margin:20px auto 0;
      color:#52637e;
      font-size:17px;
    }
    .tools-page .hero-actions{
      margin-top:28px;
      display:flex;
      justify-content:center;
      flex-wrap:wrap;
      gap:12px;
    }
    .tools-page .primary-action,.tools-page .secondary-action{
      min-width:150px;
      padding:12px 20px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:11px;
      font-weight:800;
      transition:transform .2s ease,box-shadow .2s ease;
    }
    .tools-page .primary-action{
      color:#fff;
      background:var(--primary);
      box-shadow:0 10px 24px rgba(11,61,145,.24);
    }
    .tools-page .secondary-action{
      color:var(--primary);
      background:#fff;
      border:1px solid #c7d5eb;
    }
    .tools-page .primary-action:hover,.tools-page .secondary-action:hover{transform:translateY(-2px)}
    .tools-page .tool-benefits{
      position:relative;
      z-index:2;
      margin-top:-26px;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      background:#fff;
      border:1px solid var(--line);
      border-radius:18px;
      box-shadow:var(--shadow);
    }
    .tools-page .benefit-item{
      padding:24px;
      display:flex;
      gap:14px;
      align-items:flex-start;
    }
    .tools-page .benefit-item+.benefit-item{border-left:1px solid var(--line)}
    .tools-page .benefit-icon{
      width:42px;
      height:42px;
      flex:0 0 42px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(145deg,var(--primary),#2563b9);
      border-radius:12px;
      font-weight:900;
    }
    .tools-page .benefit-item h2{margin:0 0 4px;font-size:16px}
    .tools-page .benefit-item p{margin:0;color:var(--muted);font-size:13px}
    .tools-page .tools-section{padding:76px 0}
    .tools-page .section-head{
      margin-bottom:30px;
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:30px;
    }
    .tools-page .section-kicker{
      margin:0 0 5px;
      color:var(--primary);
      font-size:13px;
      font-weight:850;
    }
    .tools-page .section-head h2{
      margin:0;
      color:#102a55;
      font-size:clamp(27px,4vw,40px);
      line-height:1.25;
    }
    .tools-page .section-head>p{
      max-width:470px;
      margin:0;
      color:var(--muted);
    }
    .tools-page .tool-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:20px;
    }
    .tools-page .tool-card{
      min-width:0;
      min-height:270px;
      padding:25px;
      display:flex;
      flex-direction:column;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:0 8px 25px rgba(18,48,92,.06);
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
    }
    .tools-page .tool-card:hover{
      transform:translateY(-5px);
      border-color:#aec4e8;
      box-shadow:0 18px 38px rgba(11,61,145,.13);
    }
    .tools-page .tool-card-head{
      display:flex;
      align-items:center;
      gap:15px;
    }
    .tools-page .tool-icon{
      width:58px;
      height:58px;
      flex:0 0 58px;
      padding:10px;
      display:grid;
      place-items:center;
      background:var(--primary-light);
      border:1px solid #d6e2f6;
      border-radius:16px;
    }
    .tools-page .tool-icon img{
      width:100%;
      height:100%;
      object-fit:contain;
    }
    .tools-page .tool-type{
      margin:0 0 2px;
      color:#8a6a24;
      font-size:12px;
      font-weight:850;
    }
    .tools-page .tool-card h3{
      margin:0;
      overflow-wrap:anywhere;
      color:#172b4d;
      font-size:19px;
      line-height:1.35;
    }
    .tools-page .tool-summary{
      margin:19px 0 22px;
      display:-webkit-box;
      overflow:hidden;
      color:#61718a;
      line-height:1.8;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:3;
    }
    .tools-page .tool-entry{
      margin-top:auto;
      padding-top:15px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      color:var(--primary);
      border-top:1px solid #edf1f6;
      font-size:14px;
      font-weight:850;
    }
    .tools-page .tool-entry::after{
      content:"→";
      width:30px;
      height:30px;
      display:grid;
      place-items:center;
      color:#fff;
      background:var(--primary);
      border-radius:50%;
      transition:transform .2s ease;
    }
    .tools-page .tool-card:hover .tool-entry::after{transform:translateX(3px)}
    .tools-page .workflow-section{
      padding:70px 0;
      background:#081f49;
      color:#fff;
    }
    .tools-page .workflow-section .section-kicker{color:#e3bd66}
    .tools-page .workflow-section h2{margin:0;font-size:clamp(27px,4vw,40px)}
    .tools-page .workflow-intro{max-width:680px;margin:12px 0 0;color:#c6d4eb}
    .tools-page .workflow-grid{
      margin-top:34px;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      counter-reset:step;
    }
    .tools-page .workflow-card{
      position:relative;
      padding:24px 20px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.14);
      border-radius:16px;
      counter-increment:step;
    }
    .tools-page .workflow-card::before{
      content:"0" counter(step);
      display:block;
      color:#e3bd66;
      font-size:12px;
      font-weight:900;
      letter-spacing:.12em;
    }
    .tools-page .workflow-card h3{margin:12px 0 6px;font-size:17px}
    .tools-page .workflow-card p{margin:0;color:#b9c9e1;font-size:14px}
    .tools-page .notice-section{padding:70px 0}
    .tools-page .notice-box{
      padding:34px;
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      align-items:center;
      gap:34px;
      background:linear-gradient(135deg,#edf4ff,#fffaf0);
      border:1px solid #d9e3f1;
      border-radius:22px;
    }
    .tools-page .notice-box h2{margin:0 0 8px;color:#102a55;font-size:27px}
    .tools-page .notice-box p{max-width:760px;margin:0;color:#5d6d85}
    .tools-page .notice-box a{
      padding:12px 20px;
      color:#fff;
      background:var(--primary);
      border-radius:10px;
      font-weight:800;
      white-space:nowrap;
    }

    .footer{
      color:#c7d3e8;
      background:#061735;
    }
    .footer-main{
      padding:60px 0 42px;
      display:grid;
      grid-template-columns:1.6fr 1fr 1fr 1fr;
      gap:42px;
    }
    .footer .logo{color:#fff}
    .footer-brand p{
      max-width:430px;
      margin:20px 0;
      color:#aabbd5;
      font-size:14px;
    }
    .footer-social a{
      display:inline-flex;
      padding:8px 12px;
      color:#fff;
      border:1px solid rgba(255,255,255,.18);
      border-radius:8px;
      font-size:13px;
    }
    .footer-title{
      margin:4px 0 17px;
      color:#fff;
      font-size:16px;
    }
    .footer-links,.footer-contact{display:grid;gap:10px}
    .footer-links a,.footer-contact a{color:#b9c8df;font-size:14px}
    .footer-links a:hover,.footer-contact a:hover{color:#fff}
    .footer-contact span{color:#7489a9;font-size:12px}
    .footer-bottom{
      min-height:70px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      color:#8194b1;
      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-btns{margin-left:auto}
      .tools-page .tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:820px){
      .container{width:min(100% - 28px,1180px)}
      .topbar-welcome{display:none}
      .topbar-inner{justify-content:flex-end}
      .tools-page .tools-hero{padding:58px 0 52px}
      .tools-page .tool-benefits{grid-template-columns:1fr}
      .tools-page .benefit-item+.benefit-item{border-left:0;border-top:1px solid var(--line)}
      .tools-page .section-head{align-items:flex-start;flex-direction:column;gap:12px}
      .tools-page .workflow-grid{grid-template-columns:repeat(2,1fr)}
      .tools-page .notice-box{grid-template-columns:1fr}
      .tools-page .notice-box a{justify-self:start}
      .footer-main{grid-template-columns:1fr 1fr}
    }
    @media (max-width:580px){
      .topbar-contact{width:100%;justify-content:space-between;gap:8px}
      .topbar-contact a{font-size:11px}
      .header-inner{min-height:68px}
      .logo{font-size:17px}
      .logo img{width:36px;height:36px}
      .header-btns>a{display:none}
      .tools-page .tools-hero h1{font-size:34px}
      .tools-page .tools-hero p{font-size:15px}
      .tools-page .hero-actions{flex-direction:column}
      .tools-page .primary-action,.tools-page .secondary-action{width:100%}
      .tools-page .tools-section{padding:58px 0}
      .tools-page .tool-grid{grid-template-columns:1fr}
      .tools-page .workflow-grid{grid-template-columns:1fr}
      .tools-page .notice-box{padding:25px}
      .footer-main{grid-template-columns:1fr;gap:30px}
      .footer-bottom{padding:18px 0;align-items:flex-start;flex-direction:column}
    }