:root{--primary:#0B3D91;--primary-dark:#082d6b;--ink:#17243b;--muted:#66748a;--line:#dce5ef;--soft:#f4f8fc;--accent:#f28c28;--white:#fff;--shadow:0 18px 50px rgba(11,61,145,.12)}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",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:0 auto}
    .skip-link{position:absolute;left:-9999px;top:8px;padding:8px 14px;background:var(--primary);color:#fff;z-index:1000}
    .skip-link:focus{left:12px}
    .topbar{background:#082b62;color:#cddbf0;font-size:13px}
    .topbar-inner{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar-contact{display:flex;gap:22px}
    .topbar a:hover{color:#fff}
    .header{position:relative;z-index:50;background:#fff;border-bottom:1px solid #e8eef5}
    .header-inner{min-height:78px;display:flex;align-items:center;gap:34px}
    .logo{display:inline-flex;align-items:center;gap:10px;color:var(--primary);font-size:19px;font-weight:800;white-space:nowrap}
    .logo img{width:38px;height:38px;object-fit:contain}
    .main-nav{flex:1}
    .nav-list{display:flex;justify-content:center;align-items:stretch;gap:4px;margin:0;padding:0;list-style:none}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:6px;height:78px;padding:0 15px;font-size:15px;font-weight:600;color:#283950}
    .nav-link:hover,.nav-link:focus-visible{color:var(--primary)}
    .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)}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% - 1px);left:50%;transform:translateX(-50%);visibility:hidden;opacity:0;pointer-events:none;background:#fff;border:1px solid #e1eaf4;border-radius:0 0 14px 14px;box-shadow:0 20px 45px rgba(20,47,86,.16);transition:.2s ease}
    .dropdown-panel{width:300px;padding:18px}
    .mega-menu{width:min(790px,calc(100vw - 40px));padding:22px}
    .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;pointer-events:auto}
    .dropdown-panel:before,.mega-menu:before{content:"";position:absolute;left:0;right:0;top:-14px;height:14px}
    .dropdown-title,.mega-heading{margin-bottom:14px}
    .dropdown-title{font-weight:800;color:var(--primary)}
    .mega-heading{display:flex;flex-direction:column;gap:3px}
    .mega-heading strong{font-size:17px;color:var(--primary)}
    .mega-heading span{font-size:13px;color:var(--muted)}
    .dropdown-article{display:block;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px}
    .dropdown-article:hover,.dropdown-more:hover{color:var(--primary)}
    .dropdown-more,.mega-footer{display:block;margin-top:14px;color:var(--primary);font-size:14px;font-weight:700}
    .mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
    .mega-card{display:flex;gap:9px;min-width:0;padding:10px;border:1px solid #e6edf5;border-radius:10px;background:#fbfdff}
    .mega-card:hover{border-color:#a9c3e7;background:#f4f8fd}
    .mega-card>img{width:38px;height:38px;object-fit:contain;flex:0 0 38px}
    .mega-card-content{min-width:0;display:flex;flex-direction:column;gap:3px}
    .mega-card-content strong{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .mega-card-content p{margin:0;color:var(--muted);font-size:11px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .mega-card-meta{display:flex;flex-wrap:wrap;gap:4px 8px;color:#718095;font-size:10px}
    .mega-categories{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 16px}
    .mega-categories a{padding:5px 10px;background:#eef5fc;border-radius:99px;color:var(--primary);font-size:12px}
    .header-btns{display:flex;align-items:center;gap:13px;white-space:nowrap}
    .header-btns>a,.drawer-head>a{padding:8px 16px;border-radius:7px;background:var(--primary);color:#fff;font-size:13px;font-weight:700}
    .header-btns>a:hover,.drawer-head>a:hover{background:var(--primary-dark)}
    .header-btns>.member-entry{padding:0;background:none;color:var(--primary)}
    .hamburger{display:none;width:42px;height:40px;padding:8px;border:1px solid #d8e3ef;background:#fff;border-radius:8px;cursor:pointer}
    .hamburger span{display:block;height:2px;margin:5px 0;background:var(--primary);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{display:none;position:fixed;inset:0;background:rgba(5,22,47,.48);z-index:80}
    .drawer-overlay.open{display:block}
    .mobile-drawer{position:fixed;top:0;right:0;width:min(390px,88vw);height:100vh;overflow:auto;background:#fff;z-index:90;transform:translateX(105%);transition:transform .25s ease;box-shadow:-15px 0 40px rgba(0,0,0,.18)}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:10px;padding:18px;border-bottom:1px solid var(--line)}
    .drawer-head>:first-child{margin-right:auto}
    .drawer-close{width:34px;height:34px;border:0;background:#edf3f9;color:var(--primary);border-radius:50%;font-size:24px;line-height:1;cursor:pointer}
    .drawer-menu{padding:10px 18px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 2px;border:0;border-bottom:1px solid #edf1f5;background:none;text-align:left;color:var(--ink);font-weight:700;cursor:pointer}
    .drawer-toggle:after{content:"+";float:right;color:var(--primary);font-size:20px;font-weight:400}
    .drawer-toggle.active:after{content:"−"}
    .drawer-submenu{display:none;padding:4px 0 8px 15px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:8px 0;color:var(--muted);font-size:14px}
    .drawer-submenu a:hover{color:var(--primary)}
    body.drawer-locked{overflow:hidden}
    .about-page{overflow:hidden}
    .about-hero{padding:76px 0 70px;background:linear-gradient(135deg,#f2f7fd 0%,#fff 54%,#f6f0e7 100%);position:relative}
    .about-hero:after{content:"";position:absolute;width:300px;height:300px;right:7%;top:28px;border:1px solid rgba(11,61,145,.12);border-radius:50%;box-shadow:0 0 0 28px rgba(11,61,145,.035),0 0 0 58px rgba(11,61,145,.025)}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--primary);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--accent)}
    .about-hero h1{position:relative;z-index:1;max-width:740px;margin:16px 0 18px;font-size:clamp(36px,5vw,64px);line-height:1.14;letter-spacing:-.04em}
    .about-hero p{position:relative;z-index:1;max-width:640px;margin:0;color:var(--muted);font-size:18px}
    .hero-facts{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
    .hero-facts span{padding:9px 14px;border:1px solid #d6e2ef;border-radius:99px;background:rgba(255,255,255,.75);color:#42536b;font-size:13px}
    .about-section{padding:82px 0}
    .about-section.soft{background:var(--soft)}
    .section-heading{max-width:690px;margin-bottom:36px}
    .section-heading h2{margin:10px 0 12px;font-size:clamp(28px,4vw,42px);line-height:1.25}
    .section-heading p{margin:0;color:var(--muted);font-size:16px}
    .story-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:58px;align-items:start}
    .story-copy p{margin:0 0 18px;color:#526277}
    .story-quote{margin:0;padding:28px;border-left:4px solid var(--accent);border-radius:0 14px 14px 0;background:#fff;box-shadow:var(--shadow);font-size:21px;font-weight:700;line-height:1.55;color:var(--primary)}
    .story-quote cite{display:block;margin-top:16px;color:var(--muted);font-size:13px;font-style:normal;font-weight:400}
    .value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .value-card{padding:28px 24px;background:#fff;border:1px solid #e3ebf4;border-radius:16px;box-shadow:0 8px 26px rgba(26,57,96,.05)}
    .value-icon{display:grid;place-items:center;width:46px;height:46px;margin-bottom:20px;border-radius:12px;background:#e8f1fb;color:var(--primary);font-size:20px;font-weight:800}
    .value-card h3{margin:0 0 9px;font-size:19px}
    .value-card p{margin:0;color:var(--muted);font-size:14px}
    .timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
    .timeline:before{content:"";position:absolute;left:6%;right:6%;top:22px;height:2px;background:#c9d9eb}
    .timeline-item{position:relative;padding-top:55px}
    .timeline-item:before{content:"";position:absolute;top:14px;left:0;width:17px;height:17px;border:5px solid #fff;border-radius:50%;background:var(--accent);box-shadow:0 0 0 2px var(--accent)}
    .timeline-item strong{display:block;margin-bottom:8px;color:var(--primary);font-size:20px}
    .timeline-item h3{margin:0 0 7px;font-size:17px}
    .timeline-item p{margin:0;color:var(--muted);font-size:14px}
    .trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .trust-item{padding:22px;border:1px solid #dce7f1;border-radius:14px;background:#fff}
    .trust-item strong{display:block;margin-bottom:7px;color:var(--primary);font-size:17px}
    .trust-item span{color:var(--muted);font-size:13px}
    .about-cta{padding:66px 0;background:var(--primary);color:#fff}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta-inner h2{margin:0 0 8px;font-size:32px}
    .cta-inner p{margin:0;color:#cbdaf0}
    .cta-actions{display:flex;flex-wrap:wrap;gap:11px}
    .cta-actions a{padding:12px 20px;border:1px solid rgba(255,255,255,.38);border-radius:8px;color:#fff;font-weight:700}
    .cta-actions a:first-child{border-color:var(--accent);background:var(--accent)}
    .footer{background:#0b1c35;color:#b7c5d9}
    .footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:42px;padding:58px 0 42px}
    .footer .logo{color:#fff;margin-bottom:17px}
    .footer-brand p{max-width:330px;margin:0;color:#93a6c0;font-size:13px}
    .footer h3{margin:4px 0 16px;color:#fff;font-size:15px}
    .footer-links{display:flex;flex-direction:column;gap:8px;font-size:13px}
    .footer-links a:hover,.footer-contact a:hover{color:#fff}
    .footer-contact{display:flex;flex-direction:column;gap:8px;font-size:13px}
    .footer-social{display:flex;flex-direction:column;gap:5px;margin-top:10px}
    .footer-social strong{color:#fff;font-size:13px}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:19px 0;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:#8da0ba}
    .footer-bottom-links{display:flex;gap:18px}
    @media(max-width:1050px){
      .header-inner{gap:15px}.nav-link{padding:0 9px}.header-btns{gap:7px}
      .mega-menu{width:min(720px,calc(100vw - 30px))}
    }
    @media(max-width:820px){
      .container{width:min(100% - 30px,620px)}
      .topbar-inner{padding:8px 0;align-items:flex-start}.topbar-contact{gap:10px;flex-direction:column}
      .header-inner{min-height:68px}.main-nav{display:none}.header-btns{margin-left:auto}.hamburger{display:block}
      .about-hero{padding:58px 0}.about-hero:after{right:-120px;top:30px}.about-hero p{font-size:16px}
      .story-grid{grid-template-columns:1fr;gap:28px}.value-grid{grid-template-columns:1fr}
      .timeline{grid-template-columns:1fr 1fr;gap:30px}.timeline:before{display:none}
      .trust-grid{grid-template-columns:1fr 1fr}.cta-inner{align-items:flex-start;flex-direction:column}
      .footer-main{grid-template-columns:1fr 1fr;gap:30px}
    }
    @media(max-width:520px){
      .topbar{font-size:12px}.topbar-inner{display:block}.topbar-contact{display:flex;flex-direction:row;flex-wrap:wrap;margin-top:3px}
      .about-hero h1{font-size:38px}.about-section{padding:58px 0}.section-heading{margin-bottom:25px}
      .timeline,.trust-grid{grid-template-columns:1fr}.footer-main{grid-template-columns:1fr;gap:25px;padding:40px 0 30px}
      .footer-bottom{display:block}.footer-bottom-links{margin-top:9px;display:block}.footer-bottom-links span{display:block;margin-top:4px}
      .cta-inner h2{font-size:27px}
    }