:root{--主题色:#0B3D91;--深蓝:#08295f;--银色:#dce5f1;--浅底:#f5f8fc;--墨色:#17233b;--边框:#dbe4ef;--阴影:0 18px 50px rgba(8,41,95,.10)}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--墨色);background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","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(--深蓝);color:#dce8fa;font-size:13px}.topbar-inner{height:38px;display:flex;align-items:center;justify-content:space-between}.topbar-contact{display:flex;gap:22px}.topbar a{color:#fff}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--边框)}.header-inner{height:78px;display:flex;align-items:center;gap:34px}.logo{display:flex;align-items:center;gap:10px;white-space:nowrap;font-weight:800;color:var(--深蓝);font-size:18px}.logo img{width:38px;height:38px;object-fit:contain}.main-nav{flex:1}.nav-list{display:flex;justify-content:center;align-items:center;gap:4px;margin:0;padding:0;list-style:none}.nav-item{position:relative}.nav-link{display:block;padding:26px 14px;font-weight:600;color:#263653;font-size:15px}.nav-link:hover,.nav-link:focus{color:var(--主题色)}.has-arrow:after{content:"⌄";font-size:12px;margin-left:6px;color:#8b9ab0}.header-btns{display:flex;align-items:center;gap:12px}.open-account{background:var(--主题色);color:#fff;border-radius:6px;padding:9px 17px;font-size:14px;font-weight:700}.hamburger{display:none;width:42px;height:38px;border:1px solid var(--边框);background:#fff;border-radius:6px;padding:8px;cursor:pointer}.hamburger span{display:block;height:2px;background:var(--深蓝);margin:4px 0;transition:.2s}
    .dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);opacity:0;visibility:hidden;transition:.2s;background:#fff;border:1px solid var(--边框);box-shadow:var(--阴影);z-index:30}.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{width:320px;padding:20px}.dropdown-title{margin:0 0 10px;color:var(--深蓝);font-weight:800}.news-link{display:block;padding:8px 0;border-bottom:1px solid #edf1f6;font-size:14px}.dropdown-footer,.mega-footer{display:flex;justify-content:space-between;color:var(--主题色);font-weight:700;font-size:13px;margin-top:12px}.mega-menu{width:min(900px,calc(100vw - 30px));padding:22px}.mega-layout{display:grid;grid-template-columns:190px 1fr;gap:25px}.mega-side{border-right:1px solid var(--边框);padding-right:20px}.mega-side h3{margin:0 0 8px;color:var(--深蓝);font-size:17px}.mega-side p{margin:0;color:#718096;font-size:13px}.mega-categories{display:grid;gap:5px;margin-top:16px}.mega-categories a{font-size:13px;color:var(--主题色)}.mega-head{display:flex;justify-content:space-between;align-items:center}.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}.mega-card{min-width:0;border:1px solid var(--边框);padding:11px;border-radius:8px;background:#fff}.mega-card img{width:38px;height:38px;object-fit:contain;margin-bottom:7px}.mega-card strong{display:block;font-size:13px;color:var(--深蓝);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mega-card p{margin:4px 0 0;color:#75839a;font-size:12px;line-height:1.5}.mega-meta{display:flex;flex-wrap:wrap;gap:5px 9px;margin-top:6px;color:#76859b;font-size:11px}
    .drawer-overlay{display:none}.mobile-drawer{display:none}.footer{margin-top:70px;background:#091d42;color:#c9d5e8}.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px;padding:48px 0 38px}.footer .logo{color:#fff}.footer .logo img{background:#fff;border-radius:5px}.footer h3{margin:0 0 14px;color:#fff;font-size:15px}.footer-brand p{max-width:330px;color:#aebed5;font-size:13px}.footer-links,.footer-contact{display:grid;gap:8px;font-size:13px}.footer a:hover{color:#fff}.footer-social{margin-top:15px}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;padding:18px 0;font-size:12px;color:#93a7c4}
    .article-page{padding:52px 0 20px;background:linear-gradient(180deg,#f7faff 0,#fff 360px)}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:35px;align-items:start}.article-main{background:#fff;border:1px solid var(--边框);border-radius:14px;padding:38px 46px;box-shadow:0 12px 35px rgba(8,41,95,.05);min-width:0}.article-kicker{color:var(--主题色);font-weight:800;font-size:13px;letter-spacing:.08em}.article-title{font-size:clamp(28px,4vw,44px);line-height:1.25;color:var(--深蓝);margin:12px 0 18px}.article-meta{display:flex;flex-wrap:wrap;gap:18px;color:#78879d;border-bottom:1px solid var(--边框);padding-bottom:20px;font-size:13px}.article-content{min-width:0;max-width:100%;overflow-x:auto;padding-top:28px;font-size:16px;color:#35445c}.article-content img,.article-content table{max-width:100%;height:auto}.article-content h2,.article-content h3{color:var(--深蓝);line-height:1.4;margin-top:30px}.article-content blockquote{margin:24px 0;padding:18px 22px;border-left:4px solid var(--主题色);background:#f2f6fc;color:#52627a}.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:30px;padding-top:20px;border-top:1px solid var(--边框)}.article-tags a{border:1px solid #cdd9e8;border-radius:20px;padding:4px 12px;color:var(--主题色);font-size:13px}.article-side{display:grid;gap:18px}.side-card{background:#fff;border:1px solid var(--边框);border-radius:12px;padding:22px}.side-card h2{font-size:18px;color:var(--深蓝);margin:0 0 14px}.article-nav a{display:block;padding:12px 0;border-bottom:1px solid #edf1f6;color:#52627a;font-size:14px}.like-article{padding:12px 0;border-bottom:1px solid #edf1f6}.like-article strong{display:block;color:var(--深蓝);font-size:14px}.like-article small{color:#8996a8}.article-bottom-nav{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:28px}.article-bottom-nav a{border:1px solid var(--边框);border-radius:8px;padding:14px;color:var(--主题色);font-size:14px}.article-bottom-nav a:last-child{text-align:right}.eyebrow{color:#72839c;font-size:12px;display:block;margin-bottom:4px}
    @media(max-width:900px){.main-nav{display:none}.header-inner{height:68px}.header-btns{margin-left:auto}.hamburger{display:block}.mega-menu{position:fixed;top:106px;left:15px;right:15px;width:auto;transform:none}.mega-layout{grid-template-columns:1fr}.mega-side{border:0;border-bottom:1px solid var(--边框);padding:0 0 14px}.mega-grid{grid-template-columns:repeat(2,1fr)}.mobile-drawer{display:block;position:fixed;z-index:50;top:0;right:-340px;width:min(340px,90vw);height:100vh;background:#fff;overflow:auto;transition:.25s;box-shadow:-8px 0 30px rgba(0,0,0,.18)}.mobile-drawer.open{right:0}.drawer-overlay{display:block;position:fixed;inset:0;background:rgba(3,16,38,.5);opacity:0;visibility:hidden;z-index:45;transition:.25s}.drawer-overlay.open{opacity:1;visibility:visible}.drawer-head{display:flex;align-items:center;gap:14px;padding:18px;border-bottom:1px solid var(--边框);color:var(--主题色);font-weight:700}.drawer-head>a{margin-left:auto;color:var(--主题色)}.drawer-close{font-size:27px;border:0;background:none;color:#66758c;cursor:pointer}.drawer-menu{padding:12px 18px}.drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;text-align:left;border:0;border-bottom:1px solid #edf1f6;background:none;color:var(--深蓝);font-size:15px}.drawer-toggle{cursor:pointer;font-weight:600}.drawer-toggle:after{content:"＋";float:right}.drawer-toggle.active:after{content:"－"}.drawer-submenu{display:none;padding:5px 0 8px 15px}.drawer-submenu.open{display:block}.drawer-submenu a{display:block;padding:8px 0;color:#64748b;font-size:14px}.footer-main{grid-template-columns:1fr 1fr;gap:28px}.article-layout{grid-template-columns:1fr}.article-side{grid-template-columns:1fr 1fr}.article-main{padding:28px 22px}}
    @media(max-width:560px){.container{width:min(100% - 28px,1180px)}.topbar-inner{height:auto;padding:7px 0;display:block}.topbar-contact{gap:12px;flex-wrap:wrap}.open-account{display:none}.mega-grid{grid-template-columns:1fr}.footer-main{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}.article-page{padding-top:28px}.article-side{grid-template-columns:1fr}.article-bottom-nav{grid-template-columns:1fr}.article-bottom-nav a:last-child{text-align:left}}