:root{--primary:#0B3D91;--deep:#071b3a;--ice:#eef7ff;--silver:#dbe8f4;--text:#17304f;--muted:#66809d;--line:#d9e6f2;--white:#fff}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#f5f9fd;color:var(--text);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}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{background:var(--deep);color:#dcecff;font-size:13px}
    .topbar-inner{height:38px;display:flex;align-items:center;justify-content:space-between}
    .topbar-contact{display:flex;gap:22px}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
    .header-inner{height:76px;display:flex;align-items:center;gap:34px}
    .logo{display:flex;align-items:center;gap:10px;min-width:190px;color:var(--deep);font-size:20px;font-weight:800}
    .logo img{width:34px;height:34px;object-fit:contain}
    .main-nav{flex:1}
    .nav-list{display:flex;align-items:center;justify-content:center;gap:4px;list-style:none;margin:0;padding:0}
    .nav-item{position:relative}
    .nav-link{display:block;padding:25px 15px;color:#2b4968;font-size:15px;white-space:nowrap}
    .nav-link:hover{color:var(--primary)}
    .has-arrow:after{content:"⌄";font-size:12px;margin-left:6px;color:#7d97b1}
    .dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);width:390px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:0 0 16px 16px;box-shadow:0 18px 40px #092d5918;opacity:0;visibility:hidden;transition:.2s}
    .mega-menu{width:720px}
    .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}
    .dropdown-panel:before,.mega-menu:before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
    .mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}
    .panel-title{font-size:15px;color:var(--deep);margin:0 0 13px}
    .panel-list{display:grid;gap:9px;color:var(--muted);font-size:14px}
    .panel-list a:hover,.footer a:hover{color:var(--primary)}
    .mega-card{display:flex;gap:10px;padding:8px 0;border-bottom:1px solid #edf3f8}
    .mega-card img{width:36px;height:36px;border-radius:8px;object-fit:cover;background:var(--ice)}
    .mega-card span{display:grid;gap:1px;min-width:0}
    .mega-card strong{font-size:13px;color:var(--deep)}
    .mega-card small{font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .mega-footer{display:block;margin-top:18px;padding-top:13px;border-top:1px solid var(--line);color:var(--primary);font-size:13px}
    .header-btns{display:flex;align-items:center;gap:10px}
    .member-btn,.open-account{padding:8px 13px;border-radius:8px;font-size:13px}
    .member-btn{color:var(--primary);border:1px solid #b8cfe8}
    .open-account{background:var(--primary);color:#fff}
    .hamburger{display:none;border:0;background:none;padding:7px;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{display:none;position:fixed;inset:0;background:#061a33a8;z-index:40}
    .drawer-overlay.open{display:block}
    .mobile-drawer{position:fixed;right:-360px;top:0;bottom:0;width:min(360px,88vw);background:#fff;z-index:50;transition:.3s;overflow:auto;box-shadow:-10px 0 30px #0002}
    .mobile-drawer.open{right:0}
    .drawer-head{display:flex;align-items:center;gap:15px;padding:21px;border-bottom:1px solid var(--line);color:var(--deep);font-weight:700}
    .drawer-head span{flex:1}
    .drawer-head a{color:var(--primary);font-size:14px}
    .drawer-close{border:0;background:none;font-size:27px;color:var(--muted);cursor:pointer}
    .drawer-menu{padding:10px 20px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid #edf3f8;background:none;text-align:left;color:var(--text);font-size:15px}
    .drawer-toggle{cursor:pointer}
    .drawer-toggle:after{content:"＋";float:right;color:var(--muted)}
    .drawer-toggle.active:after{content:"－"}
    .drawer-submenu{display:none;padding:4px 0 8px 15px}
    .drawer-submenu.open{display:grid}
    .drawer-submenu a{padding:7px 0;color:var(--muted);font-size:14px}
    .footer{margin-top:70px;background:var(--deep);color:#b9cde2;padding:52px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:38px}
    .footer-brand strong{display:block;color:#fff;font-size:21px;margin-bottom:12px}
    .footer p{margin:7px 0;font-size:13px}
    .footer h3{color:#fff;font-size:15px;margin:0 0 14px}
    .footer-grid>div:not(.footer-brand) a{display:block;margin:7px 0;font-size:13px}
    .footer-bottom{margin-top:38px;padding-top:18px;border-top:1px solid #ffffff22;text-align:center;font-size:12px}
    .about-page{padding-bottom:5px}
    .about-hero{padding:82px 0 72px;text-align:center;background:linear-gradient(145deg,#eaf6ff,#fff 55%,#dcecff);border-bottom:1px solid var(--line)}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--primary);font-size:13px;font-weight:700;letter-spacing:2px}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--primary)}
    .about-hero h1{max-width:780px;margin:18px auto 15px;color:var(--deep);font-size:clamp(32px,5vw,58px);line-height:1.18;letter-spacing:-1px}
    .about-hero p{max-width:680px;margin:auto;color:var(--muted);font-size:17px}
    .about-wrap{padding:68px 0}
    .section-heading{text-align:center;margin-bottom:36px}
    .section-heading h2{margin:0 0 10px;color:var(--deep);font-size:32px}
    .section-heading p{margin:0;color:var(--muted)}
    .mission-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .mission-card{padding:28px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 10px 28px #174d7d0b}
    .mission-icon{display:grid;place-items:center;width:45px;height:45px;border-radius:13px;background:var(--ice);color:var(--primary);font-size:22px;margin-bottom:17px}
    .mission-card h3{margin:0 0 8px;color:var(--deep);font-size:18px}
    .mission-card p{margin:0;color:var(--muted);font-size:14px}
    .story{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;margin-top:80px}
    .story h2{margin:0 0 16px;color:var(--deep);font-size:32px}
    .story p{color:var(--muted);font-size:15px}
    .story-panel{padding:30px;border-radius:22px;background:linear-gradient(145deg,var(--deep),#0b3d91);color:#fff;box-shadow:0 20px 45px #0b3d9130}
    .story-panel h3{margin:0 0 20px;font-size:21px}
    .story-stat{display:flex;justify-content:space-between;gap:15px;padding:15px 0;border-top:1px solid #ffffff30}
    .story-stat strong{font-size:25px;color:#fff}
    .story-stat span{color:#c9ddf1;font-size:13px}
    .trust{margin-top:80px;padding:38px;border:1px solid var(--line);border-radius:20px;background:#fff;text-align:center}
    .trust h2{margin:0 0 12px;color:var(--deep)}
    .trust p{margin:0 auto 23px;max-width:700px;color:var(--muted)}
    .trust-links{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}
    .trust-links a{padding:10px 18px;border:1px solid #c5d8ea;border-radius:30px;color:var(--primary);font-size:14px}
    @media(max-width:980px){
      .main-nav{display:none}.hamburger{display:block}.header-inner{height:68px}.logo{min-width:0}.header-btns{margin-left:auto}.member-btn{display:none}
      .footer-grid{grid-template-columns:repeat(2,1fr)}.story{gap:28px}
    }
    @media(max-width:640px){
      .container{width:min(100% - 28px,1180px)}.topbar-inner{height:auto;padding:8px 0;display:block}.topbar-contact{gap:12px;margin-top:3px}
      .open-account{display:none}.about-hero{padding:58px 0}.about-hero p{font-size:15px}.about-wrap{padding:45px 0}.mission-grid,.story{grid-template-columns:1fr}.story{margin-top:48px}.trust{margin-top:48px;padding:25px 18px}.footer{margin-top:40px;padding-top:38px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}
    }