:root{
      --theme:#0B3D91;
      --ink:#132238;
      --muted:#65738a;
      --line:#e5eaf1;
      --soft:#f5f8fc;
      --white:#fff;
      --accent:#14a39b;
      --shadow:0 16px 45px rgba(25,48,79,.10);
      --radius:16px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#fff;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC",Arial,sans-serif;line-height:1.6}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}

    .topbar{background:#0f1c30;color:#b9c6d8;font-size:13px}
    .topbar-inner{min-height:36px;display:flex;justify-content:space-between;align-items:center;gap:20px}
    .topbar-contact{display:flex;gap:22px}
    .topbar a:hover{color:#fff}

    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
    .header-inner{min-height:76px;display:flex;align-items:center;gap:30px}
    .logo{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-weight:800;color:var(--ink);font-size:19px}
    .logo img{width:34px;height:34px;object-fit:contain}
    .main-nav{flex:1}
    .nav-list{display:flex;justify-content:center;align-items:center;gap:4px;padding:0;margin:0;list-style:none}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:6px;padding:26px 13px;color:#34425a;font-size:14px;font-weight:650;white-space:nowrap}
    .nav-link:hover{color:var(--theme)}
    .has-arrow:after{content:"";width:6px;height:6px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg);margin-top:-4px}
    .header-btns{display:flex;align-items:center;gap:10px;white-space:nowrap}
    .account-entry{font-size:14px;color:var(--theme);font-weight:700}
    .open-account{padding:10px 17px;border-radius:8px;background:var(--theme);color:#fff;font-size:14px;font-weight:700}
    .open-account:hover{background:#082b68}
    .hamburger{display:none;border:0;background:transparent;width:42px;height:42px;padding:9px;cursor:pointer}
    .hamburger span{display:block;height:2px;background:var(--ink);margin:5px 0;transition:.2s}

    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% - 1px);left:50%;transform:translateX(-50%) translateY(8px);width:340px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:0 0 14px 14px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:.2s;z-index:30}
    .mega-menu{width:430px}
    .mega-menu-wide{width:min(760px,80vw)}
    .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:translateX(-50%) translateY(0)}
    .dropdown-panel:before,.mega-menu:before{content:"";position:absolute;top:-12px;left:0;right:0;height:12px}
    .dropdown-title,.mega-head{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:15px}
    .dropdown-title span,.mega-head strong{font-size:16px}
    .dropdown-title a,.mega-head span{font-size:12px;color:var(--theme)}
    .dropdown-article{display:flex;gap:10px;padding:10px 0;border-top:1px solid var(--line);align-items:center}
    .dropdown-article img{width:54px;height:42px;object-fit:cover;border-radius:6px}
    .dropdown-article strong{font-size:13px;line-height:1.4}
    .mega-head{display:block}
    .mega-head span{display:block;margin-top:3px;color:var(--muted)}
    .mega-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
    .mega-card{padding:12px;border:1px solid var(--line);border-radius:10px;background:#fbfcfe;transition:.2s}
    .mega-card:hover{border-color:#9fb5d8;transform:translateY(-2px)}
    .mega-card-top{display:flex;align-items:center;gap:9px}
    .mega-card-top img,.mega-product>img{width:30px;height:30px;object-fit:contain;border-radius:6px}
    .mega-card strong{font-size:13px}
    .mega-card p{font-size:12px;color:var(--muted);margin:7px 0 0;line-height:1.45}
    .broker-rating,.mega-duration{display:block;font-size:11px;color:var(--accent)}
    .mega-stats{display:flex;flex-wrap:wrap;gap:8px;margin-top:9px;color:var(--muted);font-size:11px}
    .mega-video>img{width:100%;height:78px;object-fit:cover;border-radius:7px;margin-bottom:8px}
    .mega-categories{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:14px}
    .mega-categories a{font-size:12px;padding:5px 9px;background:var(--soft);border-radius:20px;color:var(--theme)}
    .mega-footer{display:block;margin-top:15px;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--theme);font-weight:700}

    .drawer-overlay{display:none}
    .mobile-drawer{display:none}

    .tools-page{background:linear-gradient(180deg,#f7faff 0,#fff 400px);padding-bottom:80px}
    .tools-hero{padding:74px 0 54px;text-align:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--theme);font-weight:800;letter-spacing:.08em;font-size:12px;text-transform:uppercase}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--accent)}
    .tools-hero h1{font-size:clamp(34px,5vw,60px);line-height:1.12;margin:16px auto 18px;letter-spacing:-.04em}
    .tools-hero p{max-width:680px;margin:0 auto;color:var(--muted);font-size:17px}
    .tools-toolbar{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:24px}
    .tools-toolbar h2{font-size:25px;margin:0}
    .tools-toolbar p{margin:4px 0 0;color:var(--muted);font-size:14px}
    .tools-filter{display:flex;gap:8px;flex-wrap:wrap}
    .tools-filter span{padding:7px 13px;border:1px solid var(--line);border-radius:30px;background:#fff;color:var(--muted);font-size:13px}
    .tools-filter span:first-child{background:#eaf1fc;border-color:#c9d9f2;color:var(--theme);font-weight:700}
    .tools-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .tool-card{display:flex;flex-direction:column;min-height:230px;padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 5px 20px rgba(30,57,93,.045);transition:.25s}
    .tool-card:hover{transform:translateY(-5px);border-color:#a9bfdf;box-shadow:var(--shadow)}
    .tool-icon{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;background:#edf3fc;margin-bottom:18px}
    .tool-icon img{width:34px;height:34px;object-fit:contain}
    .tool-card h3{font-size:19px;margin:0 0 8px}
    .tool-card p{font-size:14px;color:var(--muted);margin:0;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}
    .tool-card-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:auto;padding-top:20px}
    .tool-card-footer span{color:#8793a5;font-size:12px}
    .tool-link{color:var(--theme);font-size:13px;font-weight:800}
    .tool-link:after{content:" →";transition:.2s}
    .tool-card:hover .tool-link:after{padding-left:4px}
    .tools-cta{margin-top:54px;padding:34px 40px;border-radius:18px;background:var(--theme);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:30px}
    .tools-cta h2{margin:0 0 6px;font-size:25px}
    .tools-cta p{margin:0;color:#d7e3f6;font-size:14px}
    .tools-cta a{display:inline-block;padding:12px 20px;background:#fff;color:var(--theme);border-radius:8px;font-weight:800;white-space:nowrap}

    .footer{background:#0d192b;color:#c2cede}
    .footer-main{padding:58px 0 46px}
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:42px}
    .footer .logo{color:#fff;margin-bottom:17px}
    .footer-brand p{max-width:350px;color:#93a2b8;font-size:13px;margin:0 0 18px}
    .footer-contact{display:grid;gap:7px;font-size:13px}
    .footer-social{margin-top:16px;font-size:13px;color:#dce6f4}
    .footer h3{font-size:15px;color:#fff;margin:3px 0 16px}
    .footer-links{display:grid;gap:9px;font-size:13px}
    .footer-links a{color:#99a9bf}
    .footer-links a:hover{color:#fff}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0}
    .footer-bottom-inner{display:flex;justify-content:space-between;gap:20px;color:#8291a7;font-size:12px}

    @media(max-width:1120px){
      .main-nav{display:none}
      .hamburger{display:block}
      .mobile-drawer{display:block;position:fixed;z-index:50;top:0;right:0;width:min(390px,88vw);height:100vh;background:#fff;transform:translateX(100%);transition:.25s;overflow:auto;box-shadow:-18px 0 45px rgba(0,0,0,.18)}
      .mobile-drawer.open{transform:translateX(0)}
      .drawer-overlay{display:block;position:fixed;inset:0;background:rgba(8,20,39,.45);opacity:0;visibility:hidden;transition:.25s;z-index:45}
      .drawer-overlay.open{opacity:1;visibility:visible}
      .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:22px;border-bottom:1px solid var(--line);font-weight:800}
      .drawer-head>a{padding:7px 12px;border-radius:6px;background:var(--theme);color:#fff;font-size:13px}
      .drawer-close{border:0;background:transparent;color:var(--ink);font-size:28px;line-height:1;cursor:pointer}
      .drawer-menu{padding:12px 22px 35px}
      .drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 0;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--ink);text-align:left;font-weight:700;cursor:pointer}
      .drawer-toggle:after{content:"+";float:right;color:var(--theme);font-size:18px}
      .drawer-toggle.active:after{content:"−"}
      .drawer-submenu{display:none;padding:5px 0 8px 15px}
      .drawer-submenu.open{display:block}
      .drawer-submenu a{display:block;padding:8px 0;color:var(--muted);font-size:14px}
    }
    @media(max-width:760px){
      .container{width:min(100% - 28px,1180px)}
      .topbar-inner{padding:8px 0;align-items:flex-start}
      .topbar-contact{gap:10px;flex-direction:column;text-align:right}
      .header-inner{min-height:66px;gap:10px}
      .account-entry{display:none}
      .open-account{padding:8px 11px;font-size:12px}
      .tools-hero{padding:53px 0 40px}
      .tools-hero p{font-size:15px}
      .tools-toolbar{display:block}
      .tools-filter{margin-top:16px}
      .tools-grid{grid-template-columns:1fr}
      .tool-card{min-height:205px}
      .tools-cta{display:block;padding:28px 24px}
      .tools-cta a{display:inline-block;margin-top:20px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom-inner{display:block}
      .footer-bottom-inner span{display:block;margin:4px 0}
    }
    @media(max-width:430px){
      .topbar-welcome{font-size:11px}
      .topbar-contact{font-size:11px}
      .footer-grid{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
    }