:root{--theme:#0B3D91;--ink:#14243a;--muted:#64748b;--line:#dbe5f0;--mist:#eef5fb;--white:#fff;--shadow:0 18px 50px rgba(20,48,82,.1)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:#f7faff;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:0 auto}
.topbar{background:#0d2342;color:#d9e8f7;font-size:13px}
.topbar .container{height:36px;display:flex;align-items:center;justify-content:space-between}
.topbar a{color:#fff}
.header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
.header-inner{height:76px;display:flex;align-items:center;gap:30px}
.logo{display:flex;align-items:center;gap:10px;min-width:190px;font-weight:800;color:var(--theme);font-size:19px}
.logo img{width:35px;height:35px;object-fit:contain}
.main-nav{flex:1}
.nav-list{display:flex;align-items:center;justify-content:center;gap:3px;list-style:none;margin:0;padding:0}
.nav-list>li{position:relative}
.nav-link{display:block;padding:25px 13px;color:#334155;font-size:14px;white-space:nowrap}
.nav-link:hover,.nav-link:focus{color:var(--theme)}
.has-arrow:after{content:"";display:inline-block;width:6px;height:6px;margin:0 0 3px 7px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg)}
.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);border-radius:0 0 14px 14px;box-shadow:var(--shadow);padding:20px;transition:.2s;z-index:30}
.dropdown-panel{width:290px}
.mega-menu{width:620px}
.nav-list>li:after{content:"";position:absolute;left:0;right:0;top:100%;height:12px}
.nav-list>li:hover .dropdown-panel,.nav-list>li:focus-within .dropdown-panel,.nav-list>li:hover .mega-menu,.nav-list>li:focus-within .mega-menu{opacity:1;visibility:visible;pointer-events:auto}
.drop-title,.mega-title{margin:0 0 12px;color:var(--theme);font-weight:800}
.drop-item{display:block;padding:8px 0;border-bottom:1px solid #edf2f7;font-size:14px}
.mega-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.mega-card{display:block;padding:12px;border:1px solid var(--line);border-radius:10px;background:#fbfdff}
.mega-card:hover{border-color:var(--theme);background:#f1f6fc}
.mega-card img{float:left;width:30px;height:30px;object-fit:contain;margin-right:9px}
.mega-card strong{display:block;font-size:14px}
.mega-card small{display:block;clear:both;padding-top:4px;color:var(--muted);font-size:11px;line-height:1.5}
.mega-footer{display:inline-block;margin-top:14px;color:var(--theme);font-size:13px;font-weight:700;margin-right:12px}
.header-btns{display:flex;align-items:center;gap:13px;white-space:nowrap;font-size:13px}
.open-account{padding:8px 15px;border-radius:8px;background:var(--theme);color:#fff}
.hamburger{display:none;border:0;background:none;padding:8px;cursor:pointer}
.hamburger span{display:block;width:24px;height:2px;background:var(--theme);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(9,25,48,.48);z-index:40}
.drawer-overlay.open{display:block}
.mobile-drawer{position:fixed;right:0;top:0;width:min(380px,88vw);height:100vh;background:#fff;z-index:41;transform:translateX(105%);transition:.25s;overflow: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:14px;padding:20px;border-bottom:1px solid var(--line);font-weight:700;color:var(--theme)}
.drawer-head a{margin-left:auto;padding:6px 12px;border-radius:6px;background:var(--theme);color:#fff;font-size:13px}
.drawer-close{border:0;background:none;font-size:28px;color:var(--muted);cursor:pointer}
.drawer-menu{padding:12px 20px 40px}
.drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid #edf2f7;background:none;text-align:left;color:var(--ink);font:inherit;cursor:pointer}
.drawer-toggle:after{content:"＋";float:right;color:var(--theme)}
.drawer-toggle.active:after{content:"－"}
.drawer-submenu{display:none;padding:4px 0 8px 14px;background:#f7faff}
.drawer-submenu.open{display:block}
.drawer-submenu a{display:block;padding:7px 0;color:var(--muted);font-size:14px}
.footer{margin-top:70px;background:#0d2342;color:#cad8e8;padding:48px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}
.footer h3,.footer h4{margin:0 0 15px;color:#fff}
.footer h3{font-size:21px}
.footer h4{font-size:15px}
.footer p{margin:6px 0;font-size:13px}
.footer-grid>div>a{display:block;margin:7px 0;color:#cad8e8;font-size:13px}
.footer-grid>div>a:hover{color:#fff}
.footer-bottom{margin-top:35px;padding:18px 0;border-top:1px solid rgba(255,255,255,.15);font-size:12px;color:#9eb2c8}
.about-page{overflow:hidden}
.about-hero{padding:82px 0 70px;background:linear-gradient(135deg,#eaf3fb 0%,#fff 60%);border-bottom:1px solid var(--line)}
.about-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--theme);font-weight:800;font-size:13px;letter-spacing:.08em}
.about-kicker:before{content:"";width:28px;height:2px;background:var(--theme)}
.about-hero h1{max-width:760px;margin:18px 0 15px;font-size:clamp(36px,5vw,66px);line-height:1.14;letter-spacing:-.04em}
.about-hero p{max-width:700px;color:var(--muted);font-size:17px;margin:0}
.about-statbar{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:48px;border:1px solid var(--line);background:var(--line);border-radius:14px;overflow:hidden}
.about-stat{background:#fff;padding:20px 22px}
.about-stat strong{display:block;color:var(--theme);font-size:28px;line-height:1.2}
.about-stat span{font-size:13px;color:var(--muted)}
.about-section{padding:76px 0}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:30px}
.section-heading h2{margin:0;font-size:32px;line-height:1.25}
.section-heading p{max-width:530px;margin:0;color:var(--muted);font-size:14px}
.story-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:55px;align-items:start}
.story-copy p{margin:0 0 18px;color:#52657b}
.story-note{padding:25px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--theme);border-radius:12px;box-shadow:var(--shadow)}
.story-note strong{display:block;color:var(--theme);margin-bottom:8px}
.story-note p{margin:0;color:var(--muted);font-size:14px}
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.value-card{min-height:205px;padding:25px;background:#fff;border:1px solid var(--line);border-radius:14px;transition:.2s}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#a9c3e2}
.value-icon{display:grid;place-items:center;width:43px;height:43px;border-radius:12px;background:#e9f2fc;color:var(--theme);font-size:21px;font-weight:800}
.value-card h3{margin:19px 0 8px;font-size:18px}
.value-card p{margin:0;color:var(--muted);font-size:14px}
.timeline{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:25px;padding-top:28px}
.timeline:before{content:"";position:absolute;left:0;right:0;top:45px;height:1px;background:#b9cde3}
.timeline-item{position:relative;padding-top:45px}
.timeline-dot{position:absolute;top:35px;left:0;width:20px;height:20px;background:#fff;border:5px solid var(--theme);border-radius:50%;z-index:1}
.timeline-item strong{display:block;color:var(--theme);font-size:14px}
.timeline-item h3{margin:8px 0;color:var(--ink);font-size:18px}
.timeline-item p{margin:0;color:var(--muted);font-size:14px}
.about-cta{padding:45px;border-radius:18px;background:var(--theme);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:25px}
.about-cta h2{margin:0 0 7px;font-size:27px}
.about-cta p{margin:0;color:#d7e5f6;font-size:14px}
.about-cta a{flex:none;padding:12px 22px;border-radius:8px;background:#fff;color:var(--theme);font-weight:700}
@media(max-width:980px){
.main-nav{display:none}.hamburger{display:block}.header-inner{justify-content:space-between}.header-btns{margin-left:auto}
.footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:700px){
.container{width:min(100% - 28px,1180px)}
.topbar .container{height:auto;min-height:36px;padding:7px 0;display:block}.topbar .contact{display:block}
.logo{min-width:0}.logo span{max-width:125px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.header-inner{height:66px;gap:10px}.header-btns>span{display:none}.open-account{padding:7px 10px}
.about-hero{padding:55px 0 45px}.about-hero h1{font-size:39px}.about-hero p{font-size:15px}
.about-statbar{grid-template-columns:repeat(2,1fr);margin-top:32px}.about-stat{padding:16px}
.about-stat strong{font-size:23px}.about-section{padding:52px 0}.section-heading{display:block}.section-heading h2{font-size:27px;margin-bottom:12px}
.story-grid,.values-grid,.timeline{grid-template-columns:1fr;gap:18px}.timeline{padding-top:0}.timeline:before{left:9px;top:0;bottom:0;width:1px;height:auto}.timeline-item{padding:0 0 20px 38px}.timeline-dot{left:0;top:0}
.about-cta{display:block;padding:28px}.about-cta a{display:inline-block;margin-top:22px}
.footer{margin-top:45px;padding-top:35px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}
}