:root{
      --theme:#0B3D91;
      --ink:#172033;
      --muted:#687386;
      --line:#e5eaf1;
      --soft:#f5f7fb;
      --white:#fff;
      --shadow:0 18px 55px rgba(18,35,66,.10);
      --radius:18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","PingFang TC",Arial,sans-serif;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:auto}

    .topbar{background:#111b2c;color:#dbe5f3;font-size:13px}
    .topbar-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar-contact{display:flex;gap:20px}
    .topbar a:hover{color:#fff}

    .header{position:relative;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}
    .header-inner{min-height:76px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:10px;min-width:190px;color:var(--ink);font-weight:800;font-size:18px}
    .logo img{width:36px;height:36px;object-fit:contain}
    .main-nav{margin-left:auto}
    .nav-list{display:flex;align-items:center;gap:3px;padding:0;margin:0;list-style:none}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:6px;padding:25px 13px;font-size:14px;white-space:nowrap}
    .nav-link:hover,.nav-link:focus{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}
    .dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translate(-50%,8px);width:290px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:0 0 16px 16px;box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease}
    .mega-menu{width:570px}
    .nav-item:after{content:"";position:absolute;left:0;right:0;top:100%;height:12px}
    .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;pointer-events:auto;transform:translate(-50%,0)}
    .dropdown-list{display:grid;gap:4px}
    .dropdown-list a,.mega-links a{display:block;padding:8px 10px;border-radius:8px;font-size:14px}
    .dropdown-list a:hover,.mega-links a:hover{background:var(--soft);color:var(--theme)}
    .mega-heading{margin:0 0 12px;color:var(--theme);font-size:14px}
    .mega-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}
    .mega-card{display:flex;gap:9px;align-items:center;padding:9px;border:1px solid var(--line);border-radius:11px;font-size:12px;min-width:0}
    .mega-card:hover{border-color:var(--theme);background:#f8faff}
    .mega-card img{width:34px;height:34px;object-fit:cover;border-radius:8px;flex:none}
    .mega-card strong,.mega-card span span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .mega-card strong{font-size:12px}
    .mega-card span span{color:var(--muted);font-size:11px}
    .mega-links{display:grid;grid-template-columns:repeat(2,1fr)}
    .mega-footer{display:block;margin-top:15px;padding-top:13px;border-top:1px solid var(--line);font-size:13px;color:var(--theme);font-weight:700}
    .header-btns{display:flex;align-items:center;gap:10px;margin-left:4px}
    .member-btn{font-size:13px;color:var(--theme);white-space:nowrap}
    .open-btn{padding:8px 15px;border-radius:9px;background:var(--theme);color:#fff;font-size:13px;font-weight:700;white-space:nowrap}
    .open-btn:hover{background:#082d6c}
    .hamburger{display:none;width:42px;height:40px;border:1px solid var(--line);border-radius:9px;background:#fff;cursor:pointer;padding:9px}
    .hamburger span{display:block;height:2px;background:var(--ink);margin:5px 0;transition:.2s}
    .hamburger.active span:first-child{transform:translateY(7px) rotate(45deg)}
    .hamburger.active span:nth-child(2){opacity:0}
    .hamburger.active span:last-child{transform:translateY(-7px) rotate(-45deg)}

    .drawer-overlay{display:none;position:fixed;inset:0;background:rgba(6,15,30,.5);z-index:40}
    .drawer-overlay.open{display:block}
    .mobile-drawer{position:fixed;z-index:50;top:0;right:0;width:min(390px,88vw);height:100vh;background:#fff;transform:translateX(100%);transition:.25s ease;overflow-y:auto;box-shadow:-15px 0 40px rgba(0,0,0,.15)}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:13px;padding:20px;border-bottom:1px solid var(--line);font-weight:800}
    .drawer-head span{margin-right:auto}
    .drawer-head a{padding:6px 11px;background:var(--theme);color:#fff;border-radius:7px;font-size:13px}
    .drawer-close{border:0;background:none;font-size:28px;line-height:1;cursor:pointer;color:var(--muted)}
    .drawer-menu{padding:10px 20px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 2px;border:0;border-bottom:1px solid var(--line);background:none;text-align:left;color:var(--ink);font-size:15px;cursor:pointer}
    .drawer-toggle:after{content:"+";float:right;color:var(--muted);font-size:20px;line-height:1}
    .drawer-toggle.active{color:var(--theme)}
    .drawer-toggle.active:after{content:"−"}
    .drawer-submenu{display:none;padding:5px 0 7px 15px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:7px 0;color:var(--muted);font-size:14px}

    .about-page{padding-bottom:80px}
    .about-hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#eef4ff 0%,#fff 58%);padding:86px 0 75px}
    .about-hero:before,.about-hero:after{content:"";position:absolute;border-radius:50%;filter:blur(2px);pointer-events:none}
    .about-hero:before{width:360px;height:360px;right:-120px;top:-130px;background:rgba(11,61,145,.12)}
    .about-hero:after{width:220px;height:220px;left:-80px;bottom:-100px;background:rgba(79,137,220,.13)}
    .about-hero-inner{position:relative;z-index:1;text-align:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--theme);font-weight:800;font-size:13px;letter-spacing:.08em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--theme)}
    .about-hero h1{max-width:760px;margin:16px auto 13px;font-size:clamp(34px,5vw,62px);line-height:1.16;letter-spacing:-.04em}
    .about-hero p{max-width:650px;margin:0 auto;color:var(--muted);font-size:17px}
    .about-hero-meta{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:28px}
    .about-hero-meta span{padding:8px 14px;border:1px solid #d7e1f1;border-radius:999px;background:rgba(255,255,255,.7);font-size:13px;color:#41536c}
    .section{padding:78px 0}
    .section-heading{max-width:680px;margin-bottom:34px}
    .section-heading.center{text-align:center;margin-left:auto;margin-right:auto}
    .section-heading h2{margin:10px 0 10px;font-size:clamp(26px,3.3vw,40px);line-height:1.25}
    .section-heading p{margin:0;color:var(--muted)}
    .story-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:center}
    .story-copy p{color:var(--muted);margin:0 0 17px}
    .story-copy strong{color:var(--ink)}
    .story-panel{padding:28px;background:#101d34;color:#fff;border-radius:24px;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .story-panel:after{content:"";position:absolute;width:180px;height:180px;right:-55px;bottom:-75px;border:28px solid rgba(94,158,255,.25);border-radius:50%}
    .story-panel h3{position:relative;z-index:1;margin:0 0 22px;font-size:21px}
    .story-stat{position:relative;z-index:1;display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .story-stat div{padding:15px 0;border-top:1px solid rgba(255,255,255,.18)}
    .story-stat b{display:block;font-size:27px;color:#a9cbff;line-height:1.2}
    .story-stat span{font-size:12px;color:#c5d0df}
    .values-section{background:var(--soft)}
    .value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .value-card{padding:27px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.2s}
    .value-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bed0ec}
    .value-icon{width:44px;height:44px;display:grid;place-items:center;border-radius:13px;background:#e8f0ff;color:var(--theme);font-size:21px;font-weight:800}
    .value-card h3{margin:19px 0 8px;font-size:19px}
    .value-card p{margin:0;color:var(--muted);font-size:14px}
    .timeline{position:relative;max-width:850px;margin:0 auto}
    .timeline:before{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;background:#dce5f3;transform:translateX(-50%)}
    .timeline-item{position:relative;width:50%;padding:0 38px 35px}
    .timeline-item:nth-child(even){margin-left:50%}
    .timeline-item:before{content:"";position:absolute;top:7px;right:-7px;width:12px;height:12px;background:var(--theme);border:4px solid #e8f0ff;border-radius:50%;box-sizing:content-box}
    .timeline-item:nth-child(even):before{left:-7px;right:auto}
    .timeline-year{font-weight:800;color:var(--theme);font-size:14px}
    .timeline-item h3{margin:5px 0 5px;font-size:18px}
    .timeline-item p{margin:0;color:var(--muted);font-size:14px}
    .about-cta{padding:50px 20px;text-align:center;background:linear-gradient(135deg,#0b3d91,#162b55);color:#fff;border-radius:24px}
    .about-cta h2{margin:0 0 8px;font-size:30px}
    .about-cta p{margin:0 auto 22px;color:#d8e5f8}
    .cta-link{display:inline-block;padding:11px 22px;background:#fff;color:var(--theme);font-weight:800;border-radius:9px}
    .footer{background:#101a2c;color:#dce5f1;padding:58px 0 0}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:38px;padding-bottom:42px}
    .footer-brand strong{font-size:20px;color:#fff}
    .footer p{color:#aebbd0;font-size:13px;margin:12px 0}
    .footer h3{margin:0 0 14px;color:#fff;font-size:15px}
    .footer-grid>div:not(.footer-brand) a,.footer-grid>div:not(.footer-brand)>span{display:block;margin:7px 0;color:#aebbd0;font-size:13px}
    .footer a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;color:#91a1b8;font-size:12px}

    @media(max-width:1050px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-btns{margin-left:auto}
      .story-grid{grid-template-columns:1fr}
      .story-panel{max-width:650px}
    }
    @media(max-width:700px){
      .container{width:min(100% - 28px,1180px)}
      .topbar-inner{padding:8px 0;align-items:flex-start;flex-direction:column;gap:2px}
      .topbar-contact{gap:12px;flex-wrap:wrap}
      .header-inner{min-height:66px;gap:10px}
      .logo{min-width:0;font-size:16px}
      .logo img{width:32px;height:32px}
      .member-btn{display:none}
      .about-hero{padding:62px 0 56px}
      .about-hero p{font-size:15px}
      .section{padding:55px 0}
      .value-grid{grid-template-columns:1fr}
      .timeline:before{left:8px;transform:none}
      .timeline-item,.timeline-item:nth-child(even){width:100%;margin-left:0;padding:0 0 28px 34px}
      .timeline-item:before,.timeline-item:nth-child(even):before{left:1px;right:auto}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{flex-direction:column;gap:5px}
    }
    @media(max-width:430px){
      .open-btn{display:none}
      .footer-grid{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
    }