:root{
      --theme:#0B3D91;
      --deep:#071a35;
      --ink:#10233f;
      --muted:#60708a;
      --ice:#eef6ff;
      --line:#dbe7f5;
      --white:#fff;
      --shadow:0 18px 50px rgba(12,48,94,.12);
      --radius:18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#f7fbff;font-family:"PingFang SC","Microsoft YaHei",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}
    .topbar{background:var(--deep);color:#d9e8fb;font-size:13px}
    .topbar .container{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar-info{display:flex;align-items:center;gap:22px}
    .topbar a{color:#d9e8fb}
    .topbar a:hover{color:#fff}
    .header{position:relative;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 5px 22px rgba(15,54,96,.05)}
    .header-inner{min-height:76px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:10px;flex:none;color:var(--deep);font-size:20px;font-weight:800;letter-spacing:.02em}
    .logo img{width:38px;height:38px;object-fit:contain}
    .main-nav{margin-left:auto}
    .nav-list{list-style:none;padding:0;margin:0;display:flex;align-items:stretch;gap:4px}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;min-height:76px;padding:0 13px;color:#263b5a;font-size:15px;white-space:nowrap}
    .nav-link:hover,.nav-link:focus{color:var(--theme)}
    .has-arrow:after{content:"";width:6px;height:6px;margin:0 0 4px 8px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg)}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% + 1px);left:50%;transform:translate(-50%,8px);width:260px;padding:15px;background:#fff;border:1px solid var(--line);border-radius:0 0 15px 15px;box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease}
    .dropdown-panel:before,.mega-menu:before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
    .dropdown-panel a{display:block;padding:9px 10px;border-radius:8px;font-size:14px}
    .dropdown-panel a:hover{background:var(--ice);color:var(--theme)}
    .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)}
    .mega-menu{width:650px;left:50%;padding:22px}
    .mega-title{font-size:14px;font-weight:800;color:var(--deep);margin-bottom:12px}
    .mega-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
    .mega-card{display:flex;gap:10px;min-width:0;padding:10px;border:1px solid #e4edf7;border-radius:12px;background:#fbfdff}
    .mega-card:hover{border-color:#a9c8eb;background:var(--ice)}
    .mega-card img{width:42px;height:42px;object-fit:contain;border-radius:8px;background:#fff;flex:none}
    .mega-card span{min-width:0}
    .mega-card strong,.mega-card small{display:block;overflow:hidden;text-overflow:ellipsis}
    .mega-card strong{font-size:13px;white-space:nowrap}
    .mega-card small{color:var(--muted);font-size:11px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
    .mega-links{display:flex;flex-wrap:wrap;gap:8px}
    .mega-links a{padding:6px 10px;background:var(--ice);border-radius:99px;color:var(--theme);font-size:12px}
    .mega-footer{display:block;margin-top:16px;color:var(--theme);font-size:13px;font-weight:700}
    .header-btns{display:flex;align-items:center;gap:10px;flex:none}
    .member-link{color:var(--theme);font-size:13px;font-weight:700}
    .open-account{padding:8px 15px;background:var(--theme);color:#fff;border-radius:9px;font-size:13px}
    .open-account:hover{background:#082e70}
    .hamburger{display:none;border:0;background:transparent;padding:8px;cursor:pointer}
    .hamburger span{display:block;width:23px;height:2px;background:var(--deep);margin:5px 0;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:rgba(3,17,35,.5);opacity:0;visibility:hidden;z-index:40;transition:.25s}
    .drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{position:fixed;top:0;right:0;width:min(370px,88vw);height:100vh;overflow:auto;background:#fff;z-index:41;transform:translateX(100%);transition:.28s ease;box-shadow:-15px 0 40px rgba(0,0,0,.16)}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:15px;padding:21px;border-bottom:1px solid var(--line);font-weight:800;color:var(--deep)}
    .drawer-head>a{margin-left:auto;color:var(--theme);font-size:14px}
    .drawer-close{border:0;background:#edf4fc;color:var(--deep);width:32px;height:32px;border-radius:50%;font-size:22px;line-height:1;cursor:pointer}
    .drawer-menu{padding:12px 21px 35px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid #edf2f8;background:none;text-align:left;color:var(--ink);font-size:15px;cursor:pointer}
    .drawer-toggle:after{content:"+";float:right;color:var(--theme);font-size:20px;line-height:1}
    .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:8px 0;color:var(--muted);font-size:13px}
    .footer{margin-top:80px;background:var(--deep);color:#c3d4e9}
    .footer .container{padding:55px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.1fr;gap:36px}
    .footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:19px;font-weight:800}
    .footer-brand img{width:36px;height:36px;object-fit:contain}
    .footer p{margin:17px 0 0;color:#9eb3ce;font-size:13px;max-width:300px}
    .footer h3{margin:0 0 16px;color:#fff;font-size:15px}
    .footer-links{display:flex;flex-direction:column;gap:8px;font-size:13px}
    .footer-links a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:42px;padding-top:18px;border-top:1px solid rgba(220,237,255,.16);font-size:12px;color:#91a9c6}
    .about-page{padding-bottom:5px}
    .about-hero{position:relative;overflow:hidden;padding:84px 0 105px;background:linear-gradient(135deg,#071a35 0%,#0b3d91 55%,#529bd0 100%);color:#fff}
    .about-hero:before,.about-hero:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.18);border-radius:50%;pointer-events:none}
    .about-hero:before{width:540px;height:540px;right:-150px;top:-245px}
    .about-hero:after{width:420px;height:420px;left:-190px;bottom:-250px}
    .about-hero .container{position:relative;z-index:1;text-align:center}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;padding:6px 13px;border:1px solid rgba(255,255,255,.3);border-radius:99px;color:#d9eeff;font-size:13px}
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:#8ee5ff;box-shadow:0 0 0 5px rgba(142,229,255,.16)}
    .about-hero h1{margin:20px auto 13px;font-size:clamp(34px,5vw,62px);line-height:1.18;letter-spacing:-.04em}
    .about-hero p{max-width:700px;margin:0 auto;color:#d9eaff;font-size:17px}
    .about-hero-actions{display:flex;justify-content:center;gap:12px;margin-top:29px;flex-wrap:wrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 20px;border-radius:10px;border:1px solid transparent;font-size:14px;font-weight:700}
    .btn-primary{background:#fff;color:var(--theme)}
    .btn-outline{border-color:rgba(255,255,255,.5);color:#fff}
    .about-section{padding:75px 0 0}
    .section-heading{text-align:center;max-width:680px;margin:0 auto 36px}
    .section-heading .kicker{color:var(--theme);font-size:13px;font-weight:800;letter-spacing:.14em}
    .section-heading h2{margin:8px 0 10px;font-size:clamp(26px,3vw,38px);color:var(--deep);line-height:1.3}
    .section-heading p{margin:0;color:var(--muted);font-size:15px}
    .about-intro{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:stretch}
    .intro-card,.trust-card,.value-card,.timeline-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 10px 35px rgba(19,59,103,.06)}
    .intro-card{padding:32px}
    .intro-card h3{margin:0 0 15px;font-size:24px;color:var(--deep)}
    .intro-card p{margin:0 0 13px;color:#52647d;font-size:15px}
    .intro-mark{display:flex;align-items:center;justify-content:center;min-height:300px;padding:30px;background:linear-gradient(145deg,#e8f4ff,#fff);border-radius:var(--radius);border:1px solid #d4e8fa}
    .orbit{width:205px;height:205px;border:1px solid #9cc5eb;border-radius:50%;display:grid;place-items:center;position:relative}
    .orbit:before,.orbit:after{content:"";position:absolute;border:1px dashed #72a9dc;border-radius:50%}
    .orbit:before{inset:25px;transform:rotate(55deg)}
    .orbit:after{inset:47px;transform:rotate(-55deg)}
    .orbit-core{width:82px;height:82px;display:grid;place-items:center;border-radius:50%;background:var(--theme);color:#fff;text-align:center;font-size:13px;font-weight:800;box-shadow:0 10px 25px rgba(11,61,145,.3);z-index:1}
    .orbit-dot{position:absolute;width:13px;height:13px;border-radius:50%;background:#69c8e8;border:3px solid #fff;box-shadow:0 0 0 1px #6fa8d9}
    .dot-a{top:8px;left:94px}.dot-b{right:16px;top:93px}.dot-c{bottom:18px;left:47px}.dot-d{left:14px;top:58px}
    .value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .value-card{padding:25px}
    .value-icon{width:44px;height:44px;display:grid;place-items:center;border-radius:12px;background:var(--ice);color:var(--theme);font-weight:900;font-size:20px}
    .value-card h3{margin:17px 0 7px;color:var(--deep);font-size:18px}
    .value-card p{margin:0;color:var(--muted);font-size:14px}
    .trust-panel{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:20px}
    .trust-card{padding:22px;text-align:center}
    .trust-card strong{display:block;color:var(--theme);font-size:27px;line-height:1.2}
    .trust-card span{display:block;margin-top:6px;color:var(--muted);font-size:13px}
    .timeline{position:relative;max-width:850px;margin:0 auto}
    .timeline:before{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:#c1d8ef;transform:translateX(-50%)}
    .timeline-card{position:relative;width:calc(50% - 28px);padding:20px 23px;margin:0 0 22px}
    .timeline-card:nth-child(even){margin-left:calc(50% + 28px)}
    .timeline-card:before{content:"";position:absolute;top:25px;width:11px;height:11px;border:3px solid #fff;border-radius:50%;background:var(--theme);box-shadow:0 0 0 1px #9ec2e7}
    .timeline-card:nth-child(odd):before{right:-36px}
    .timeline-card:nth-child(even):before{left:-36px}
    .timeline-card strong{color:var(--theme);font-size:13px}
    .timeline-card h3{margin:5px 0 5px;color:var(--deep);font-size:17px}
    .timeline-card p{margin:0;color:var(--muted);font-size:13px}
    .about-cta{margin-top:75px;padding:48px 30px;border-radius:var(--radius);background:linear-gradient(115deg,#e9f5ff,#fff);border:1px solid #cce2f7;text-align:center}
    .about-cta h2{margin:0 0 10px;color:var(--deep);font-size:28px}
    .about-cta p{margin:0 auto 22px;color:var(--muted);font-size:14px}
    .about-cta .btn-primary{background:var(--theme);color:#fff}
    @media(max-width:1050px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-btns{margin-left:auto}
      .about-intro{grid-template-columns:1fr}
    }
    @media(max-width:700px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{padding:7px 0;align-items:flex-start}
      .topbar-info{flex-direction:column;align-items:flex-end;gap:0}
      .topbar{font-size:11px}
      .member-link{display:none}
      .open-account{padding:7px 11px;font-size:12px}
      .about-hero{padding:62px 0 75px}
      .about-hero p{font-size:15px}
      .about-section{padding-top:55px}
      .intro-card{padding:24px}
      .value-grid,.trust-panel{grid-template-columns:1fr}
      .trust-panel{gap:10px}
      .timeline:before{left:7px}
      .timeline-card,.timeline-card:nth-child(even){width:calc(100% - 33px);margin-left:33px}
      .timeline-card:nth-child(odd):before,.timeline-card:nth-child(even):before{left:-32px;right:auto}
      .footer{margin-top:55px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px 18px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .footer-bottom{flex-direction:column;gap:5px}
    }
    @media(max-width:430px){
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .logo span{font-size:17px}
      .about-hero h1{font-size:36px}
    }