:root{--theme:#0B3D91;--ink:#10233f;--muted:#68758a;--line:#e5eaf2;--bg:#f5f8fc;--card:#fff;--accent:#19c37d}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);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:#071a35;color:#b9c7da;font-size:13px}
    .topbar .container{height:36px;display:flex;align-items:center;justify-content:space-between}
    .topbar strong{color:#fff;font-weight:600}
    .topbar a{margin-left:22px;color:#dce8f9}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
    .header-inner{height:78px;display:flex;align-items:center;gap:34px}
    .logo{display:flex;align-items:center;gap:10px;color:var(--theme);font-size:19px;font-weight:800;white-space:nowrap}
    .logo img{width:34px;height:34px;object-fit:contain}
    .main-nav{flex:1}
    .nav-list{display:flex;align-items:stretch;justify-content:center;gap:4px;margin:0;padding:0;list-style:none}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;height:78px;padding:0 15px;font-size:15px;color:#273854;white-space:nowrap}
    .nav-link:hover,.nav-link:focus{color:var(--theme)}
    .has-arrow:after{content:"";width:6px;height:6px;margin:0 0 3px 8px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg)}
    .dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translate(-50%,8px);visibility:hidden;opacity:0;background:#fff;border:1px solid var(--line);box-shadow:0 18px 45px rgba(19,42,76,.14);transition:.2s;z-index:30}
    .dropdown-panel{width:230px;padding:12px}
    .dropdown-panel a{display:block;padding:8px 12px;border-radius:6px;font-size:14px}
    .dropdown-panel a:hover{background:#f0f5fc;color:var(--theme)}
    .mega-menu{width:650px;padding:22px}
    .nav-item:hover .dropdown-panel,.nav-item:focus-within .dropdown-panel,.nav-item:hover .mega-menu,.nav-item:focus-within .mega-menu{visibility:visible;opacity:1;transform:translate(-50%,0)}
    .mega-menu:before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
    .mega-title{margin:0 0 12px;color:var(--theme);font-size:14px;font-weight:700}
    .mega-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
    .mega-card{display:flex;gap:10px;min-height:58px;padding:9px;border-radius:8px;background:#f7f9fc}
    .mega-card:hover{background:#edf4ff}
    .mega-card img{width:40px;height:40px;object-fit:contain;border-radius:6px}
    .mega-card span{min-width:0;font-size:12px;color:var(--muted);line-height:1.5}
    .mega-card b{display:block;color:var(--ink);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .mega-links{display:flex;flex-wrap:wrap;gap:8px}
    .mega-links a{padding:5px 11px;border:1px solid var(--line);border-radius:20px;font-size:12px}
    .mega-links a:hover{border-color:var(--theme);color:var(--theme)}
    .mega-footer{display:block;margin-top:18px;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:12px;white-space:nowrap}
    .header-btns>a:first-child{color:var(--theme);font-size:14px}
    .account-btn{padding:9px 16px;border-radius:6px;background:var(--theme);color:#fff!important;font-size:14px}
    .hamburger{display:none;width:40px;height:38px;border:1px solid var(--line);border-radius:6px;background:#fff;padding:8px;cursor:pointer}
    .hamburger span{display:block;height:2px;margin:4px 0;background:var(--theme);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:rgba(2,15,35,.52);z-index:50}
    .drawer-overlay.open{display:block}
    .mobile-drawer{position:fixed;top:0;right:-360px;width:min(360px,88vw);height:100vh;overflow:auto;background:#fff;z-index:60;transition:right .25s;box-shadow:-12px 0 35px rgba(0,0,0,.16)}
    .mobile-drawer.open{right:0}
    .drawer-head{display:flex;align-items:center;gap:16px;padding:20px;border-bottom:1px solid var(--line);font-weight:700}
    .drawer-head span{flex:1}
    .drawer-head a{padding:5px 12px;border-radius:5px;background:var(--theme);color:#fff;font-size:13px}
    .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 var(--line);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 15px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:7px 0;color:var(--muted);font-size:14px}
    .footer{margin-top:70px;background:#081a35;color:#aebdd1}
    .footer .container{padding:48px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:35px}
    .footer h3{margin:0 0 12px;color:#fff;font-size:20px}
    .footer h4{margin:0 0 14px;color:#fff;font-size:15px}
    .footer p{margin:6px 0;font-size:13px}
    .footer-grid>div:not(:first-child) a{display:block;margin:6px 0;color:#b9c7da;font-size:13px}
    .footer-grid a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:35px;padding-top:18px;border-top:1px solid rgba(255,255,255,.13);font-size:12px;color:#8192aa}
    .category-page{padding:58px 0 10px}
    .page-heading{text-align:center;max-width:720px;margin:0 auto 38px}
    .eyebrow{display:inline-block;margin-bottom:8px;color:var(--theme);font-size:13px;font-weight:700;letter-spacing:2px}
    .page-heading h1{margin:0;color:#102b52;font-size:clamp(30px,4vw,46px);line-height:1.25}
    .page-heading p{margin:16px 0 0;color:var(--muted);font-size:15px}
    .article-list{display:grid;gap:18px}
    .article-card{display:grid;grid-template-columns:300px 1fr;gap:25px;min-height:210px;padding:18px;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:0 7px 22px rgba(31,61,100,.05);transition:.2s}
    .article-card:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(31,61,100,.1)}
    .article-cover{height:174px;overflow:hidden;border-radius:8px;background:#eaf0f8}
    .article-cover img{width:100%;height:100%;object-fit:cover}
    .article-body{min-width:0;display:flex;flex-direction:column;align-items:flex-start}
    .article-channel{display:inline-block;margin-bottom:6px;color:var(--theme);font-size:12px;font-weight:700}
    .article-body h2{margin:0 0 8px;font-size:21px;line-height:1.4;color:#172f51}
    .article-body h2 a:hover{color:var(--theme)}
    .article-summary{display:-webkit-box;overflow:hidden;margin:0;color:var(--muted);font-size:14px;line-height:1.75;-webkit-box-orient:vertical;-webkit-line-clamp:3}
    .article-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:auto;padding-top:13px;color:#8793a4;font-size:12px}
    .article-tags{margin-top:9px;color:var(--theme);font-size:12px}
    .read-more{margin-top:10px;color:var(--theme);font-size:13px;font-weight:700}
    .pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:34px}
    .pagination a{min-width:34px;padding:6px 11px;border:1px solid var(--line);border-radius:5px;background:#fff;text-align:center;color:var(--muted);font-size:13px}
    .pagination a:hover,.pagination a.current,.pagination a.active{border-color:var(--theme);background:var(--theme);color:#fff}
    @media(max-width:960px){.main-nav{display:none}.hamburger{display:block}.header-btns{margin-left:auto}.nav-list{display:none}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:620px){.container{width:min(100% - 28px,1180px)}.topbar .container{height:auto;min-height:38px;padding:7px 0;gap:8px;align-items:flex-start;flex-direction:column}.topbar a{margin-left:12px}.header-inner{height:66px;gap:12px}.account-btn,.header-btns>a:first-child{display:none}.category-page{padding-top:38px}.article-card{grid-template-columns:1fr;padding:13px;gap:15px}.article-cover{height:190px}.article-body h2{font-size:18px}.article-meta{margin-top:10px}.footer{margin-top:45px}.footer .container{padding-top:35px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px 18px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}}