:root{--theme:#0B3D91;--ink:#182536;--muted:#64748b;--line:#dbe3ec;--mist:#f4f7f9;--white:#fff}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:"Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.7}a{color:inherit;text-decoration:none}.container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{background:#172333;color:#dce6f0;font-size:13px}.topbar .container{min-height:36px;display:flex;align-items:center;justify-content:space-between}.topbar-links{display:flex;gap:22px}.topbar a:hover{color:#fff}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 4px 18px #1825360b}.header-inner{height:76px;display:flex;align-items:center;gap:35px}.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;white-space:nowrap;color:var(--theme)}.logo img{width:36px;height:36px;object-fit:contain}.main-nav{margin-left:auto}.nav-list{display:flex;align-items:stretch;gap:4px;list-style:none;margin:0;padding:0}.nav-item{position:relative}.nav-link{display:block;padding:25px 14px;font-size:15px;font-weight:600;white-space:nowrap}.nav-link:hover{color:var(--theme)}.has-arrow:after{content:"⌄";font-size:12px;margin-left:6px;color:#8492a2}
    .dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);opacity:0;visibility:hidden;pointer-events:none;background:#fff;border:1px solid var(--line);box-shadow:0 18px 40px #1825361c;border-radius:0 0 12px 12px;padding:20px;transition:.2s;z-index:30}.dropdown-panel{width:280px}.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;pointer-events:auto}.dropdown-title,.mega-heading{margin:0 0 12px;font-weight:800;color:var(--theme)}.dropdown-list{display:grid;gap:8px}.dropdown-list a{font-size:14px;padding:5px 0;border-bottom:1px solid #eef2f5}.dropdown-list a:hover{color:var(--theme)}.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.mega-card{display:grid;gap:3px;padding:12px;border:1px solid #e5ebf0;border-radius:9px;background:#fbfcfd}.mega-card img{width:34px;height:34px;object-fit:contain;margin-bottom:4px}.mega-card strong{font-size:14px}.mega-card small{font-size:11px;color:var(--muted);line-height:1.5}.mega-footer{display:block;margin-top:16px;padding-top:13px;border-top:1px solid var(--line);color:var(--theme);font-size:13px;font-weight:700}
    .header-btns{display:flex;align-items:center;gap:10px}.member-link{font-size:14px;color:var(--theme);font-weight:700}.open-account{background:var(--theme);color:#fff;border-radius:5px;padding:8px 15px;font-size:13px;font-weight:700}.hamburger{display:none;border:0;background:transparent;padding:8px;cursor:pointer}.hamburger span{display:block;width:23px;height:2px;background:var(--ink);margin:4px 0;transition:.2s}.hamburger.active span:nth-child(1){transform:translateY(6px) rotate(45deg)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
    .drawer-overlay{display:none;position:fixed;inset:0;background:#07111d99;z-index:40}.drawer-overlay.open{display:block}.mobile-drawer{position:fixed;right:0;top:0;width:min(370px,88vw);height:100vh;background:#fff;z-index:50;transform:translateX(105%);transition:.25s;overflow:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-head{height:70px;padding:18px 20px;display:flex;align-items:center;gap:16px;border-bottom:1px solid var(--line);font-weight:800}.drawer-head>a{margin-left:auto;color:var(--theme);font-size:14px}.drawer-close{border:0;background:transparent;font-size:30px;line-height:1;color:var(--muted);cursor:pointer}.drawer-menu{padding:12px 20px}.drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid #edf1f4;background:transparent;text-align:left;font:inherit;color:var(--ink);cursor:pointer}.drawer-toggle:after{content:"+";float:right;color:var(--theme);font-size:20px}.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:7px 0;font-size:14px;color:var(--muted)}
    .footer{margin-top:70px;padding:52px 0 20px;background:#172333;color:#dbe5ee}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:35px}.footer h3{margin:0 0 14px;color:#fff;font-size:16px}.footer p{margin:5px 0;font-size:13px;color:#aebdca}.footer-links{display:grid;gap:6px;font-size:13px}.footer-links a:hover{color:#fff}.footer-bottom{border-top:1px solid #ffffff1c;margin-top:35px;padding-top:18px;color:#9fb0bf;font-size:12px}
    .about-page{background:linear-gradient(180deg,#f4f7f9 0,#fff 430px)}.about-hero{padding:82px 0 70px;text-align:center;background:radial-gradient(circle at 50% 0,#dce9f7 0,transparent 48%)}.eyebrow{display:inline-block;color:var(--theme);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.about-hero h1{margin:12px auto 18px;font-size:clamp(34px,5vw,62px);line-height:1.2;max-width:850px}.about-hero p{max-width:680px;margin:auto;color:var(--muted);font-size:17px}.about-content{padding:65px 0}.section-heading{text-align:center;max-width:680px;margin:0 auto 35px}.section-heading h2{margin:0 0 10px;font-size:30px}.section-heading p{margin:0;color:var(--muted)}.about-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.about-card{padding:28px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 10px 25px #1825360a}.about-card .num{color:var(--theme);font-size:28px;font-weight:900}.about-card h3{margin:10px 0 8px;font-size:19px}.about-card p{margin:0;color:var(--muted);font-size:14px}.trust-band{margin-top:58px;padding:34px;border-radius:16px;background:var(--theme);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:25px}.trust-band h2{margin:0;font-size:25px}.trust-band p{margin:5px 0 0;color:#d9e7f8;font-size:14px}.trust-band a{flex:none;background:#fff;color:var(--theme);padding:10px 18px;border-radius:6px;font-weight:800;font-size:14px}
    @media(max-width:980px){.main-nav{display:none}.header-inner{justify-content:space-between}.hamburger{display:block}.member-link{display:none}.mega-menu{width:calc(100vw - 30px)}.about-cards{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:600px){.container{width:min(100% - 28px,1180px)}.topbar .container{display:block;padding:7px 0}.topbar-links{gap:12px;flex-wrap:wrap}.header-inner{height:66px}.logo{font-size:17px}.logo img{width:30px;height:30px}.open-account{padding:7px 11px}.about-hero{padding:58px 0 48px}.about-hero h1{font-size:38px}.about-hero p{font-size:15px}.about-content{padding:45px 0}.section-heading h2{font-size:25px}.about-cards{grid-template-columns:1fr}.trust-band{display:block;padding:25px}.trust-band a{display:inline-block;margin-top:18px}.footer{margin-top:45px}.footer-grid{grid-template-columns:1fr;gap:24px}}