:root{
      --primary:#0B3D91;
      --primary-dark:#072b68;
      --primary-soft:#eaf1fc;
      --accent:#d99f32;
      --ink:#152033;
      --muted:#667085;
      --line:#e3e8f1;
      --surface:#ffffff;
      --surface-alt:#f5f7fb;
      --success:#168466;
      --shadow:0 16px 42px rgba(11,61,145,.10);
      --radius:18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--surface-alt);
      font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",Arial,sans-serif;
      line-height:1.7;
      overflow-x:hidden;
    }
    body,button,input,textarea,select{font:inherit}
    img{max-width:100%;height:auto}
    a{color:inherit;text-decoration:none}
    button{color:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin-inline:auto}

    .topbar{
      color:#dce8fb;
      background:var(--primary-dark);
      font-size:13px;
    }
    .topbar .container{
      min-height:36px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .topbar-links{display:flex;align-items:center;gap:20px}
    .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 var(--line);
      box-shadow:0 4px 18px rgba(21,32,51,.04);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:24px;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:10px;
      min-width:0;
      color:var(--primary);
      font-weight:900;
      letter-spacing:.01em;
    }
    .logo img{
      width:42px;
      height:42px;
      object-fit:contain;
      flex:0 0 auto;
    }
    .logo span{
      max-width:190px;
      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:center;
    }
    .nav-link{
      height:100%;
      display:flex;
      align-items:center;
      padding:0 12px;
      color:#26344b;
      font-size:15px;
      font-weight:700;
      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-soft);
    }
    .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);
    }
    .dropdown-panel,.mega-menu{
      position:absolute;
      top:100%;
      right:0;
      visibility:hidden;
      opacity:0;
      transform:translateY(8px);
      pointer-events:none;
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 16px 16px;
      box-shadow:0 24px 52px rgba(12,32,66,.16);
      transition:opacity .18s ease,transform .18s ease,visibility .18s;
    }
    .dropdown-panel::before,.mega-menu::before{
      content:"";
      position:absolute;
      right:0;
      bottom:100%;
      left:0;
      height:10px;
    }
    .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:none;
      pointer-events:auto;
    }
    .dropdown-panel{
      width:310px;
      padding:12px;
    }
    .dropdown-panel a{
      display:block;
      padding:10px 12px;
      border-radius:9px;
      color:#34435a;
      font-size:14px;
    }
    .dropdown-panel a:hover{color:var(--primary);background:var(--primary-soft)}
    .mega-menu{
      width:min(700px,88vw);
      padding:22px;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:24px;
    }
    .nav-item:nth-last-child(-n+3) .mega-menu{right:0}
    .mega-column{min-width:0}
    .mega-title{
      margin:0 0 12px;
      color:var(--primary);
      font-size:14px;
      letter-spacing:.04em;
    }
    .mega-column>a:not(.mega-broker-card):not(.mega-video-card):not(.mega-product-card):not(.mega-footer){
      display:block;
      padding:9px 10px;
      border-radius:9px;
      color:#40506a;
      font-size:14px;
    }
    .mega-column>a:hover{background:var(--primary-soft);color:var(--primary)}
    .mega-broker-card,.mega-video-card,.mega-product-card{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
      padding:8px;
      border-radius:10px;
    }
    .mega-broker-card img,.mega-video-card img,.mega-product-card img{
      width:46px;
      height:40px;
      flex:0 0 auto;
      object-fit:contain;
      border-radius:8px;
      background:#f3f6fa;
    }
    .mega-video-card img{object-fit:cover}
    .mega-broker-card span,.mega-video-card span,.mega-product-card span{
      min-width:0;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .mega-card-meta{
      color:var(--muted);
      font-size:12px;
    }
    .mega-footer{
      display:block;
      margin-top:10px;
      padding:10px 12px;
      color:#fff;
      background:var(--primary);
      border-radius:9px;
      text-align:center;
      font-size:14px;
      font-weight:800;
    }
    .header-btns{
      display:flex;
      align-items:center;
      gap:9px;
      flex:0 0 auto;
    }
    .member-btn,.account-btn{
      display:inline-flex;
      min-height:40px;
      align-items:center;
      justify-content:center;
      padding:8px 15px;
      border-radius:10px;
      font-size:14px;
      font-weight:800;
    }
    .member-btn{color:var(--primary);border:1px solid #b9c9e4}
    .account-btn{color:#fff;background:var(--primary);box-shadow:0 8px 18px rgba(11,61,145,.18)}
    .hamburger{
      width:42px;
      height:42px;
      display:none;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:5px;
      padding:0;
      border:1px solid var(--line);
      border-radius:10px;
      background:#fff;
      cursor:pointer;
    }
    .hamburger span{
      width:19px;
      height:2px;
      background:var(--ink);
      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(8,19,38,.58);
      transition:opacity .25s ease,visibility .25s;
    }
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{
      position:fixed;
      z-index:100;
      top:0;
      right:0;
      width:min(390px,92vw);
      height:100dvh;
      overflow-y:auto;
      background:#fff;
      box-shadow:-22px 0 50px rgba(5,19,43,.22);
      transform:translateX(105%);
      transition:transform .25s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      min-height:70px;
      display:flex;
      align-items:center;
      gap:12px;
      padding:14px 18px;
      color:#fff;
      background:var(--primary);
    }
    .drawer-head>a{
      padding:7px 11px;
      border:1px solid rgba(255,255,255,.45);
      border-radius:8px;
      font-size:14px;
      font-weight:800;
    }
    .drawer-close{
      width:38px;
      height:38px;
      margin-left:auto;
      padding:0;
      color:#fff;
      background:transparent;
      border:0;
      font-size:31px;
      line-height:1;
      cursor:pointer;
    }
    .drawer-menu{padding:14px 18px 28px}
    .drawer-link,.drawer-toggle{
      width:100%;
      min-height:49px;
      display:flex;
      align-items:center;
      padding:10px 4px;
      color:#25344b;
      background:transparent;
      border:0;
      border-bottom:1px solid var(--line);
      font-weight:800;
      text-align:left;
      cursor:pointer;
    }
    .drawer-toggle::after{
      content:"+";
      margin-left:auto;
      color:var(--primary);
      font-size:21px;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      display:none;
      padding:7px 0 9px 14px;
      border-bottom:1px solid var(--line);
    }
    .drawer-submenu.open{display:block}
    .drawer-submenu a{
      display:block;
      padding:8px 8px;
      color:var(--muted);
      border-radius:7px;
      font-size:14px;
    }
    .drawer-submenu a:hover{color:var(--primary);background:var(--primary-soft)}

    .tool-detail-page{min-width:0}
    .tool-detail-page .page-hero{
      position:relative;
      overflow:hidden;
      padding:64px 0 78px;
      color:#fff;
      background:
        radial-gradient(circle at 15% 10%,rgba(255,255,255,.14),transparent 28%),
        radial-gradient(circle at 85% 85%,rgba(217,159,50,.18),transparent 30%),
        linear-gradient(135deg,var(--primary-dark),var(--primary));
    }
    .tool-detail-page .page-hero::after{
      content:"";
      position:absolute;
      right:-80px;
      bottom:-135px;
      width:340px;
      height:340px;
      border:55px solid rgba(255,255,255,.06);
      border-radius:50%;
    }
    .tool-detail-page .breadcrumb{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:9px;
      margin-bottom:28px;
      color:#d8e5fb;
      font-size:14px;
    }
    .tool-detail-page .breadcrumb a:hover{color:#fff;text-decoration:underline}
    .tool-detail-page .tool-heading{
      position:relative;
      z-index:1;
      max-width:880px;
      text-align:center;
      margin-inline:auto;
    }
    .tool-detail-page .tool-icon{
      width:82px;
      height:82px;
      display:grid;
      place-items:center;
      margin:0 auto 20px;
      padding:14px;
      background:#fff;
      border:1px solid rgba(255,255,255,.55);
      border-radius:22px;
      box-shadow:0 18px 38px rgba(0,0,0,.18);
    }
    .tool-detail-page .tool-icon img{width:100%;height:100%;object-fit:contain}
    .tool-detail-page .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:12px;
      padding:6px 13px;
      color:#fff;
      background:rgba(255,255,255,.13);
      border:1px solid rgba(255,255,255,.2);
      border-radius:999px;
      font-size:13px;
      font-weight:800;
    }
    .tool-detail-page h1{
      margin:0;
      font-size:clamp(34px,5vw,58px);
      line-height:1.18;
      letter-spacing:-.03em;
    }
    .tool-detail-page .lead{
      max-width:760px;
      margin:20px auto 0;
      color:#e8f0fd;
      font-size:18px;
    }
    .tool-detail-page .tool-meta{
      display:flex;
      flex-wrap:wrap;
      justify-content:center;
      gap:10px 22px;
      margin-top:24px;
      color:#dbe7fa;
      font-size:14px;
    }
    .tool-detail-page .detail-wrap{
      position:relative;
      z-index:2;
      display:grid;
      grid-template-columns:minmax(0,1fr) 330px;
      gap:28px;
      align-items:start;
      margin-top:-34px;
      padding-bottom:76px;
    }
    .tool-detail-page .tool-content,
    .tool-detail-page .side-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .tool-detail-page .tool-content{
      min-width:0;
      max-width:100%;
      overflow-x:auto;
      padding:clamp(24px,4vw,46px);
    }
    .tool-detail-page .tool-content-head{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:26px;
      padding-bottom:18px;
      border-bottom:1px solid var(--line);
    }
    .tool-detail-page .tool-content-head span{
      width:38px;
      height:38px;
      display:grid;
      place-items:center;
      color:#fff;
      background:var(--primary);
      border-radius:11px;
      font-weight:900;
    }
    .tool-detail-page .tool-content-head h2{margin:0;font-size:24px}
    .tool-detail-page .tool-body{
      min-width:0;
      max-width:100%;
      overflow-x:auto;
      color:#344054;
      font-size:16px;
    }
    .tool-detail-page .tool-body h2,
    .tool-detail-page .tool-body h3,
    .tool-detail-page .tool-body h4{
      color:var(--ink);
      line-height:1.35;
    }
    .tool-detail-page .tool-body h2{margin:36px 0 14px;font-size:27px}
    .tool-detail-page .tool-body h3{margin:28px 0 12px;font-size:22px}
    .tool-detail-page .tool-body p{margin:0 0 18px}
    .tool-detail-page .tool-body a{color:var(--primary);text-decoration:underline}
    .tool-detail-page .tool-body img,
    .tool-detail-page .tool-body video,
    .tool-detail-page .tool-body iframe{
      max-width:100%;
      border-radius:12px;
    }
    .tool-detail-page .tool-body table{
      width:100%;
      max-width:100%;
      border-collapse:collapse;
    }
    .tool-detail-page .tool-body th,
    .tool-detail-page .tool-body td{
      padding:11px;
      border:1px solid var(--line);
      text-align:left;
    }
    .tool-detail-page .tool-body pre{
      max-width:100%;
      overflow-x:auto;
      padding:18px;
      color:#eaf2ff;
      background:#101a2d;
      border-radius:12px;
    }
    .tool-detail-page .tool-notice{
      display:flex;
      gap:13px;
      margin-top:34px;
      padding:18px;
      color:#6a4b11;
      background:#fff8e7;
      border:1px solid #f0dba9;
      border-radius:12px;
      font-size:14px;
    }
    .tool-detail-page .tool-notice strong{flex:0 0 auto}
    .tool-detail-page .detail-sidebar{
      display:grid;
      gap:20px;
      position:sticky;
      top:24px;
    }
    .tool-detail-page .side-card{padding:22px}
    .tool-detail-page .side-card h2{
      margin:0 0 16px;
      color:var(--primary);
      font-size:19px;
    }
    .tool-detail-page .info-list{
      display:grid;
      gap:0;
      margin:0;
    }
    .tool-detail-page .info-row{
      display:flex;
      justify-content:space-between;
      gap:14px;
      padding:11px 0;
      border-bottom:1px solid var(--line);
      font-size:14px;
    }
    .tool-detail-page .info-row:last-child{border-bottom:0}
    .tool-detail-page .info-row dt{color:var(--muted)}
    .tool-detail-page .info-row dd{
      margin:0;
      color:var(--ink);
      font-weight:800;
      text-align:right;
    }
    .tool-detail-page .related-tools{display:grid;gap:10px}
    .tool-detail-page .related-tool{
      display:grid;
      grid-template-columns:48px minmax(0,1fr);
      gap:11px;
      align-items:center;
      padding:10px;
      border:1px solid var(--line);
      border-radius:12px;
      transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
    }
    .tool-detail-page .related-tool:hover{
      transform:translateY(-2px);
      border-color:#adc1e3;
      box-shadow:0 9px 20px rgba(11,61,145,.09);
    }
    .tool-detail-page .related-tool img{
      width:48px;
      height:48px;
      object-fit:contain;
      padding:7px;
      background:var(--primary-soft);
      border-radius:10px;
    }
    .tool-detail-page .related-tool strong{
      display:block;
      overflow:hidden;
      color:#24324a;
      text-overflow:ellipsis;
      white-space:nowrap;
      font-size:14px;
    }
    .tool-detail-page .related-tool p{
      display:-webkit-box;
      overflow:hidden;
      margin:3px 0 0;
      color:var(--muted);
      font-size:12px;
      line-height:1.5;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }
    .tool-detail-page .side-action{
      display:block;
      margin-top:16px;
      padding:11px 14px;
      color:#fff;
      background:var(--primary);
      border-radius:10px;
      text-align:center;
      font-weight:800;
    }

    .footer{
      color:#d9e3f3;
      background:#091a36;
    }
    .footer .container{padding-top:56px;padding-bottom:24px}
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr 1fr 1fr 1fr;
      gap:42px;
    }
    .footer .logo{color:#fff}
    .footer-brand p{
      max-width:390px;
      margin:18px 0 0;
      color:#aebbd0;
      font-size:14px;
    }
    .footer h3{
      margin:0 0 17px;
      color:#fff;
      font-size:16px;
    }
    .footer-links{display:grid;gap:9px}
    .footer-links a{
      color:#afbdd1;
      font-size:14px;
      transition:color .2s ease,transform .2s ease;
    }
    .footer-links a:hover{color:#fff;transform:translateX(2px)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:24px;
      margin-top:42px;
      padding-top:20px;
      color:#8f9db4;
      border-top:1px solid rgba(255,255,255,.12);
      font-size:13px;
    }

    @media (max-width:1120px){
      .main-nav{display:none}
      .hamburger{display:flex}
      .header-btns{margin-left:auto}
      .footer-grid{grid-template-columns:1.3fr 1fr 1fr}
      .footer-grid>div:last-child{grid-column:2/4}
    }
    @media (max-width:850px){
      .tool-detail-page .page-hero{padding:48px 0 65px}
      .tool-detail-page .detail-wrap{grid-template-columns:1fr}
      .tool-detail-page .detail-sidebar{position:static;grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:last-child{grid-column:auto}
    }
    @media (max-width:640px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{
        min-height:42px;
        align-items:flex-start;
        flex-direction:column;
        justify-content:center;
        gap:1px;
        padding-block:6px;
      }
      .topbar-links{flex-wrap:wrap;gap:2px 14px}
      .header-inner{min-height:68px;gap:12px}
      .logo img{width:37px;height:37px}
      .logo span{max-width:125px;font-size:14px}
      .member-btn{display:none}
      .account-btn{min-height:38px;padding:7px 11px;font-size:13px}
      .hamburger{width:39px;height:39px}
      .tool-detail-page .page-hero{padding:38px 0 60px}
      .tool-detail-page .breadcrumb{margin-bottom:22px}
      .tool-detail-page .tool-icon{width:68px;height:68px;border-radius:18px}
      .tool-detail-page h1{font-size:32px}
      .tool-detail-page .lead{font-size:16px}
      .tool-detail-page .tool-meta{align-items:center;flex-direction:column;gap:4px}
      .tool-detail-page .detail-wrap{margin-top:-24px;padding-bottom:52px}
      .tool-detail-page .tool-content{padding:23px 18px}
      .tool-detail-page .tool-content-head h2{font-size:21px}
      .tool-detail-page .detail-sidebar{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr;gap:30px}
      .footer-bottom{align-items:flex-start;flex-direction:column;gap:8px}
    }