:root{--theme:#0B3D91;--ink:#162235;--muted:#667085;--line:#dfe5ee;--soft:#f5f8fc;--white:#fff}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC",Arial,sans-serif;background:#fff;line-height:1.7}
    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:#111d2e;color:#d8e3f2;font-size:13px}
    .topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:36px}
    .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:78px;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:10px;min-width:max-content;font-weight:800;color:var(--ink)}
    .logo img{width:35px;height:35px;object-fit:contain}
    .logo span{font-size:18px}
    .main-nav{margin-left:auto}
    .nav-list{display:flex;align-items:center;gap:4px;list-style:none;padding:0;margin:0}
    .nav-item{position:relative}
    .nav-link{display:block;padding:27px 13px;font-size:14px;font-weight:650;white-space:nowrap}
    .nav-link:hover,.nav-link:focus{color:var(--theme)}
    .has-arrow:after{content:"⌄";font-size:12px;margin-left:6px;color:#8b98aa}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% + 1px);left:50%;transform:translateX(-50%) translateY(8px);width:330px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:0 0 14px 14px;box-shadow:0 18px 40px #16223518;opacity:0;visibility:hidden;transition:.2s;z-index:30}
    .mega-menu-wide{width:min(850px,90vw)}
    .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;left:0;right:0;height:12px;top:-12px}
    .dropdown-title,.mega-head{display:flex;justify-content:space-between;gap:15px;align-items:flex-start;margin-bottom:14px}
    .dropdown-title span,.mega-head strong{font-weight:800}
    .dropdown-title a,.mega-head span{font-size:12px;color:var(--theme)}
    .mega-head{display:block}
    .mega-head span{display:block;margin-top:3px;color:var(--muted)}
    .dropdown-article{display:grid;grid-template-columns:58px 1fr;gap:10px;padding:9px 0;border-top:1px solid var(--line);font-size:13px}
    .dropdown-article img{width:58px;height:45px;object-fit:cover;border-radius:6px}
    .mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
    .mega-card{display:block;padding:11px;border:1px solid var(--line);border-radius:9px;background:#fbfcfe;font-size:12px}
    .mega-card:hover{border-color:var(--theme);box-shadow:0 5px 15px #0b3d9112}
    .mega-card-top{display:flex;align-items:center;gap:8px}
    .mega-card-top img{width:27px;height:27px;object-fit:contain;border-radius:5px}
    .mega-card strong{font-size:12px}
    .mega-card p{margin:7px 0 0;color:var(--muted);line-height:1.5}
    .broker-rating,.mega-duration{display:block;color:var(--theme);font-size:11px}
    .mega-stats{display:flex;flex-wrap:wrap;gap:7px;margin-top:9px;color:var(--muted);font-size:10px}
    .mega-video img,.mega-product>img{width:100%;height:65px;object-fit:cover;border-radius:6px;margin-bottom:7px}
    .mega-categories{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:14px}
    .mega-categories a{padding:5px 9px;border-radius:30px;background:#eef3fa;color:var(--theme);font-size:11px}
    .mega-footer{display:block;margin-top:15px;padding-top:12px;border-top:1px solid var(--line);color:var(--theme);font-size:13px;font-weight:700}
    .header-btns{display:flex;align-items:center;gap:10px}
    .account-entry{font-size:13px;color:var(--theme);white-space:nowrap}
    .open-account{background:var(--theme);color:#fff;padding:9px 15px;border-radius:6px;font-size:13px;font-weight:700}
    .hamburger{display:none;border:0;background:transparent;padding:8px;cursor:pointer}
    .hamburger span{display:block;width:24px;height:2px;margin:5px 0;background:var(--ink);transition:.2s}
    .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;background:#07111dcc;opacity:0;visibility:hidden;transition:.25s;z-index:50}
    .drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{position:fixed;top:0;right:0;width:min(390px,88vw);height:100vh;background:#fff;transform:translateX(100%);transition:.3s;z-index:51;overflow:auto}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:12px;padding:22px;border-bottom:1px solid var(--line);font-weight:800}
    .drawer-head>a{margin-left:auto;color:var(--theme)}
    .drawer-close{border:0;background:transparent;font-size:28px;line-height:1;cursor:pointer;color:var(--muted)}
    .drawer-menu{padding:12px 22px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left;color:var(--ink);font-size:15px;font-weight:700;cursor:pointer}
    .drawer-toggle:after{content:"＋";float:right;color:var(--muted)}
    .drawer-toggle.active:after{content:"－"}
    .drawer-submenu{max-height:0;overflow:hidden;transition:.25s;padding-left:14px}
    .drawer-submenu.open{max-height:600px;padding-top:5px;padding-bottom:5px}
    .drawer-submenu a{display:block;padding:7px 0;color:var(--muted);font-size:14px}
    .drawer-submenu a:hover{color:var(--theme)}
    .footer{background:#101b2b;color:#dce5f0}
    .footer-main{padding:58px 0 42px}
    .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
    .footer .logo{color:#fff;margin-bottom:18px}
    .footer-brand p{max-width:360px;color:#aebdce;font-size:14px;margin:0 0 18px}
    .footer-contact{display:grid;gap:4px;font-size:13px;color:#c3d0df}
    .footer-social{margin-top:16px;color:#8fb2df}
    .footer h3{margin:0 0 15px;color:#fff;font-size:15px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{font-size:13px;color:#aebdce}
    .footer-links a:hover{color:#fff}
    .footer-bottom{border-top:1px solid #2d3a4c;padding:17px 0;color:#98a9bb;font-size:12px}
    .footer-bottom-inner{display:flex;justify-content:space-between;gap:20px}
    .about-page{background:#fff}
    .about-hero{padding:85px 0 72px;background:linear-gradient(135deg,#eff5fc 0%,#fff 58%);border-bottom:1px solid var(--line)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--theme);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:27px;height:2px;background:var(--theme)}
    .about-hero h1{max-width:800px;margin:18px 0 17px;font-size:clamp(36px,5vw,66px);line-height:1.12;letter-spacing:-.04em}
    .about-hero p{max-width:690px;margin:0;color:var(--muted);font-size:18px}
    .about-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .button-primary,.button-secondary{display:inline-flex;align-items:center;justify-content:center;padding:12px 19px;border-radius:6px;font-weight:750;font-size:14px}
    .button-primary{background:var(--theme);color:#fff}
    .button-secondary{border:1px solid #b8c7d9;color:var(--theme);background:#fff}
    .about-section{padding:78px 0}
    .section-heading{max-width:680px;margin-bottom:34px}
    .section-heading h2{margin:9px 0 11px;font-size:clamp(27px,3.5vw,43px);line-height:1.2}
    .section-heading p{margin:0;color:var(--muted)}
    .about-intro{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center}
    .about-intro-copy p{color:var(--muted);margin:0 0 16px}
    .about-note{padding:28px;background:#f7f9fc;border-left:4px solid var(--theme);border-radius:0 12px 12px 0}
    .about-note strong{display:block;font-size:25px;line-height:1.3;margin-bottom:10px}
    .about-note span{font-size:14px;color:var(--muted)}
    .principles{background:var(--soft)}
    .principle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .principle-card{padding:27px;background:#fff;border:1px solid var(--line);border-radius:12px}
    .principle-index{color:var(--theme);font-weight:800;font-size:13px}
    .principle-card h3{font-size:19px;margin:14px 0 8px}
    .principle-card p{color:var(--muted);font-size:14px;margin:0}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #bfcbd9}
    .timeline-item{position:relative;padding:25px 20px 0 0}
    .timeline-item:before{content:"";position:absolute;width:11px;height:11px;border:3px solid #fff;background:var(--theme);border-radius:50%;top:-8px;left:0;box-shadow:0 0 0 1px var(--theme)}
    .timeline-item strong{display:block;color:var(--theme);font-size:14px}
    .timeline-item h3{font-size:17px;margin:10px 0 7px}
    .timeline-item p{font-size:13px;color:var(--muted);margin:0}
    .about-cta{padding:58px 0;background:var(--theme);color:#fff}
    .about-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .about-cta h2{font-size:32px;line-height:1.25;margin:0 0 8px}
    .about-cta p{margin:0;color:#cbdcf3}
    .about-cta .button-secondary{border-color:#a8c4e8;color:#fff;background:transparent}
    @media(max-width:1120px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-btns{margin-left:auto}
      .footer-grid{grid-template-columns:1.5fr 1fr 1fr}
      .footer-grid>div:last-child{grid-column:2}
    }
    @media(max-width:760px){
      .container{width:min(100% - 28px,620px)}
      .topbar-inner{padding:7px 0;display:block}
      .topbar-contact{margin-top:3px;gap:12px;font-size:12px}
      .account-entry{display:none}
      .open-account{padding:8px 11px}
      .about-hero{padding:58px 0 52px}
      .about-hero p{font-size:16px}
      .about-intro,.principle-grid{grid-template-columns:1fr}
      .about-section{padding:55px 0}
      .timeline{grid-template-columns:1fr 1fr;gap:22px 12px}
      .timeline-item{padding-top:20px}
      .about-cta-inner{display:block}
      .about-cta .button-secondary{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px 20px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .footer-grid>div:last-child{grid-column:auto}
      .footer-bottom-inner{display:block}
      .footer-bottom-inner span+span{display:block;margin-top:5px}
      .mega-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:430px){
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:last-child{grid-column:auto}
      .timeline{grid-template-columns:1fr}
      .header-inner{gap:10px}
      .logo span{font-size:16px}
    }