:root{--theme:#0B3D91;--ink:#172033;--muted:#667085;--cream:#f7f4ed;--line:#e6e9ef;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fbfcfe;font-family:"Microsoft YaHei","PingFang 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:#101827;color:#dbe5f4;font-size:13px}.topbar-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}.topbar p{margin:0}.topbar-contact{display:flex;gap:22px}.topbar-contact a:hover{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:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:800;white-space:nowrap;color:var(--ink)}.logo img{width:34px;height:34px;object-fit:contain}.main-nav{flex:1}.nav-list{display:flex;align-items:stretch;justify-content:center;gap:3px;list-style:none;margin:0;padding:0}.nav-item{position:relative}.nav-link{display:flex;align-items:center;height:76px;padding:0 14px;font-size:15px;font-weight:600}.has-arrow:after{content:"";width:6px;height:6px;margin-left:8px;border-right:1px solid;border-bottom:1px solid;transform:rotate(45deg) translateY(-2px)}.nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--theme)}
.dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;width:300px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:0 0 14px 14px;box-shadow:0 18px 45px #1720331c;opacity:0;visibility:hidden;transform:translate(-50%,8px);transition:.2s}.mega-menu{width:650px}.mega-menu-wide{width:820px}.nav-item:before{content:"";position:absolute;left:0;right:0;top:100%;height:12px}.nav-item:hover>.dropdown-panel,.nav-item:hover>.mega-menu,.nav-item:focus-within>.dropdown-panel,.nav-item:focus-within>.mega-menu{opacity:1;visibility:visible;transform:translate(-50%,0)}.dropdown-title,.mega-head{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:14px}.dropdown-title span,.mega-head strong{font-size:16px}.dropdown-title a,.mega-footer{color:var(--theme);font-size:13px}.dropdown-article{display:block;padding:9px 0;border-top:1px solid var(--line);font-size:14px}.dropdown-article:hover{color:var(--theme)}.mega-head{display:block}.mega-head span{display:block;color:var(--muted);font-size:12px}.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 var(--line);border-radius:10px;background:#fbfcfe}.mega-card img{width:38px;height:38px;object-fit:contain;flex:none}.mega-card-body{min-width:0}.mega-card strong,.mega-card p,.mega-card small{display:block;overflow:hidden}.mega-card strong{font-size:13px;white-space:nowrap;text-overflow:ellipsis}.mega-card small,.mega-card p{margin:2px 0;color:var(--muted);font-size:11px;line-height:1.5}.mega-card p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.mega-categories{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 15px}.mega-categories a{padding:4px 10px;border-radius:20px;background:#eef3fb;color:var(--theme);font-size:12px}.mega-footer{display:block;margin-top:16px;padding-top:13px;border-top:1px solid var(--line);font-weight:700}
.header-btns{display:flex;align-items:center;gap:12px}.member-entry{font-size:13px;color:var(--theme);font-weight:700}.account-entry{padding:8px 15px;border-radius:8px;background:var(--theme);color:#fff;font-size:13px}.hamburger{display:none;border:0;background:none;padding:8px;cursor:pointer}.hamburger span{display:block;width:24px;height:2px;margin:5px 0;background:var(--ink);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:#07101c80;z-index:40}.drawer-overlay.open{display:block}.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(390px,88vw);padding:20px;background:#fff;z-index:41;transform:translateX(105%);transition:.25s;overflow:auto;box-shadow:-15px 0 40px #0002}.mobile-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);font-weight:700}.drawer-head a{padding:5px 12px;background:var(--theme);color:#fff;border-radius:6px;font-size:13px}.drawer-close{border:0;background:none;font-size:28px;cursor:pointer}.drawer-menu{padding:12px 0}.drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 4px;border:0;border-bottom:1px solid var(--line);background:none;text-align:left;font:inherit;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 16px}.drawer-submenu.open{display:block}.drawer-submenu a{display:block;padding:8px 0;color:var(--muted);font-size:14px}
.about-page{padding-bottom:70px}.about-hero{padding:86px 0 78px;background:linear-gradient(135deg,#eef4ff 0%,#fff 58%,#fff4e8 100%);text-align:center}.eyebrow{display:inline-block;padding:6px 13px;border-radius:20px;background:#dce8fb;color:var(--theme);font-size:13px;font-weight:700}.about-hero h1{max-width:820px;margin:20px auto 14px;font-size:clamp(34px,5vw,62px);line-height:1.15;letter-spacing:-2px}.about-hero p{max-width:680px;margin:0 auto;color:var(--muted);font-size:18px}.about-actions{display:flex;justify-content:center;gap:12px;margin-top:28px}.button{display:inline-block;padding:12px 22px;border-radius:8px;background:var(--theme);color:#fff;font-weight:700}.button.secondary{background:#fff;color:var(--theme);border:1px solid #b9cbea}.section-heading{text-align:center;margin:70px auto 30px}.section-heading h2{margin:0 0 8px;font-size:32px}.section-heading p{margin:0;color:var(--muted)}.about-story{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:stretch}.story-card,.value-card,.timeline-card,.trust-panel{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 12px 30px #1720330a}.story-card{padding:32px}.story-card h2{margin:0 0 15px;font-size:27px}.story-card p{color:var(--muted)}.story-note{margin-top:24px;padding:18px;border-left:4px solid var(--theme);background:#f3f7fd;color:var(--ink)}.timeline{display:grid;gap:14px}.timeline-card{position:relative;padding:20px 22px 20px 70px}.timeline-card b{position:absolute;left:20px;top:20px;color:var(--theme);font-size:17px}.timeline-card h3{margin:0;font-size:17px}.timeline-card p{margin:5px 0 0;color:var(--muted);font-size:14px}.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.value-card{padding:25px}.value-icon{display:grid;place-items:center;width:42px;height:42px;margin-bottom:15px;border-radius:12px;background:var(--theme);color:#fff;font-weight:800}.value-card h3{margin:0 0 7px}.value-card p{margin:0;color:var(--muted);font-size:14px}.trust-panel{display:flex;justify-content:space-between;align-items:center;gap:25px;padding:30px;margin-top:70px;background:#102b5b;color:#fff}.trust-panel h2{margin:0 0 7px}.trust-panel p{margin:0;color:#d7e2f5}.trust-panel .button{background:#fff;color:var(--theme);white-space:nowrap}
.footer{padding:56px 0 20px;background:#101827;color:#d5deeb}.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer .logo{color:#fff}.footer-brand p{max-width:330px;color:#9eacc0;font-size:13px}.footer h3{margin:4px 0 14px;color:#fff;font-size:15px}.footer-links{display:grid;gap:8px;color:#aebbd0;font-size:13px}.footer-links a:hover,.footer-contact a:hover{color:#fff}.footer-social{color:#9eacc0;font-size:13px}.footer-contact{display:grid;gap:4px;color:#9eacc0;font-size:13px}.footer-contact a{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:15px;margin-top:42px;padding-top:18px;border-top:1px solid #ffffff1a;color:#8f9db1;font-size:12px}.footer-bottom-links{display:flex;gap:18px}
@media(max-width:900px){.main-nav{display:none}.header-inner{height:66px}.hamburger{display:block}.account-entry,.member-entry{display:none}.mega-grid{grid-template-columns:repeat(2,1fr)}.about-story{grid-template-columns:1fr}.footer-main{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.container{width:min(100% - 28px,1180px)}.topbar-inner{padding:8px 0;display:block}.topbar-contact{margin-top:3px;gap:13px}.about-hero{padding:58px 0}.about-hero h1{letter-spacing:-1px}.about-hero p{font-size:16px}.about-actions{flex-direction:column;align-items:stretch}.section-heading{margin-top:48px}.value-grid{grid-template-columns:1fr}.trust-panel{display:block;margin-top:48px}.trust-panel .button{margin-top:20px}.footer-main{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom-links{margin-top:10px;flex-wrap:wrap}.mega-menu,.dropdown-panel{display:none}}