:root{--blue:#0B3D91;--ink:#101827;--muted:#64748b;--line:#e5eaf1;--soft:#f5f8fc;--green:#19a974}
    *{box-sizing:border-box}html,body{margin:0;padding:0;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;background:#f7f9fc}a{color:inherit;text-decoration:none}.container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{background:#091426;color:#cbd5e1;font-size:13px}.topbar .container{height:38px;display:flex;align-items:center;justify-content:space-between}.topbar a{margin-left:20px;color:#dbeafe}
    .header{height:76px;background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:20}.header-inner{height:100%;display:flex;align-items:center;gap:30px}.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--blue);white-space:nowrap}.logo img{width:34px;height:34px;object-fit:contain}
    .main-nav{flex:1}.nav-list{display:flex;justify-content:center;align-items:stretch;gap:4px;padding:0;margin:0;list-style:none}.nav-item{position:relative}.nav-link{display:block;padding:29px 13px;font-size:14px;white-space:nowrap}.nav-link:hover{color:var(--blue)}.has-arrow:after{content:"⌄";font-size:11px;margin-left:5px;color:#94a3b8}
    .dropdown-panel,.mega-menu{display:none;position:absolute;top:calc(100% - 1px);left:50%;transform:translateX(-50%);width:330px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:0 0 12px 12px;box-shadow:0 18px 38px #14213d1c}.mega-menu{width:650px}.nav-item:hover .dropdown-panel,.nav-item:focus-within .dropdown-panel,.nav-item:hover .mega-menu,.nav-item:focus-within .mega-menu{display:block}.dropdown-panel:before,.mega-menu:before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}.drop-title,.mega-title{font-weight:800;font-size:15px;margin-bottom:13px}.drop-list{display:grid;gap:9px}.drop-list a{font-size:13px;color:#475569}.drop-list a:hover{color:var(--blue)}.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.mega-card{display:flex;flex-direction:column;gap:5px;padding:11px;border:1px solid var(--line);border-radius:9px;background:#fbfdff}.mega-card:hover{border-color:#9bb6e7;background:#f4f8ff}.mega-card img{width:28px;height:28px;object-fit:contain}.mega-card strong{font-size:13px}.mega-card small{font-size:11px;line-height:1.45;color:var(--muted)}.mega-footer{display:block;margin-top:16px;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--blue);font-weight:700}
    .header-btns{display:flex;align-items:center;gap:9px;white-space:nowrap}.member-btn,.open-btn{font-size:13px;padding:9px 12px;border-radius:7px}.member-btn{color:var(--blue);border:1px solid #cbdaf1}.open-btn{background:var(--blue);color:#fff}.hamburger{display:none;border:0;background:transparent;padding:8px;cursor:pointer}.hamburger span{display:block;width:23px;height:2px;margin:4px 0;background:#0f172a;transition:.2s}
    .drawer-overlay{display:none;position:fixed;inset:0;background:#06112699;z-index:40}.drawer-overlay.open{display:block}.mobile-drawer{position:fixed;top:0;right:-360px;width:min(350px,88vw);height:100vh;overflow:auto;background:#fff;z-index:50;transition:right .25s ease;box-shadow:-12px 0 35px #07152b30}.mobile-drawer.open{right:0}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:20px;border-bottom:1px solid var(--line);font-weight:800}.drawer-head a{color:var(--blue);font-size:14px;margin-left:auto;margin-right:18px}.drawer-close{font-size:25px;border:0;background:none;color:#64748b;cursor:pointer}.drawer-menu{padding:12px 20px 30px}.drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 0;border:0;border-bottom:1px solid #edf1f6;background:none;text-align:left;font:inherit;font-size:15px}.drawer-toggle{cursor:pointer}.drawer-toggle:after{content:"＋";float:right;color:#94a3b8}.drawer-toggle.active:after{content:"－"}.drawer-submenu{display:none;padding:4px 0 8px 14px}.drawer-submenu.open{display:block}.drawer-submenu a{display:block;color:#64748b;font-size:13px;padding:9px 0}
    .category-page{padding:48px 0 72px}.page-heading{text-align:center;margin-bottom:34px}.eyebrow{display:inline-block;color:var(--blue);background:#eaf1ff;border-radius:30px;padding:7px 14px;font-size:12px;font-weight:700;letter-spacing:.08em}.page-heading h1{font-size:36px;line-height:1.25;margin:15px 0 12px}.page-heading p{max-width:700px;margin:0 auto;color:var(--muted);line-height:1.8;font-size:15px}
    .category-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:30px;align-items:start}.article-list{display:grid;gap:18px}.article-card{display:grid;grid-template-columns:285px minmax(0,1fr);gap:22px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:0 8px 24px #23395d08;transition:transform .2s,box-shadow .2s}.article-card:hover{transform:translateY(-2px);box-shadow:0 14px 30px #23395d13}.article-cover{width:100%;height:190px;object-fit:cover;border-radius:9px;background:#dce5f2}.article-body{min-width:0;display:flex;flex-direction:column}.article-category{color:var(--blue);font-size:12px;font-weight:700;margin:3px 0 10px}.article-card h2{font-size:20px;line-height:1.45;margin:0 0 9px}.article-card h2 a:hover{color:var(--blue)}.article-summary{color:#64748b;font-size:14px;line-height:1.8;margin:0 0 12px;display:block}.article-meta{display:flex;flex-wrap:wrap;gap:8px 15px;color:#8995a7;font-size:12px;margin-top:auto;padding-top:8px}.article-tags{color:var(--blue)}.read-more{align-self:flex-start;color:var(--blue);font-weight:700;font-size:13px;margin-top:14px}.read-more:after{content:" →";font-size:16px}
    .side-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}.side-card+.side-card{margin-top:18px}.side-card h2{font-size:17px;margin:0 0 16px}.side-card p{color:var(--muted);font-size:13px;line-height:1.8}.side-links{display:grid;gap:12px}.side-links a{font-size:13px;color:#475569;padding-bottom:11px;border-bottom:1px solid #edf1f5}.side-links a:hover{color:var(--blue)}
    .pagination{display:flex;justify-content:center;gap:7px;flex-wrap:wrap;margin-top:32px}.pagination a{min-width:34px;padding:9px 11px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:7px;font-size:13px}.pagination a:hover,.pagination a.active{background:var(--blue);border-color:var(--blue);color:#fff}
    .footer{background:#091426;color:#cbd5e1;padding:48px 0 20px}.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px}.footer-brand strong{font-size:20px;color:#fff}.footer p{font-size:13px;line-height:1.8;color:#94a3b8}.footer h3{color:#fff;font-size:14px;margin:0 0 16px}.footer-grid>div:not(.footer-brand) a,.footer-grid>div:not(.footer-brand) span{display:block;font-size:13px;color:#94a3b8;margin:0 0 11px}.footer-grid a:hover{color:#fff}.footer-bottom{border-top:1px solid #233149;margin-top:34px;padding-top:18px;display:flex;justify-content:space-between;gap:18px;color:#718096;font-size:12px;line-height:1.6}
    @media(max-width:950px){.main-nav{display:none}.header-inner{justify-content:space-between}.hamburger{display:block}.member-btn{display:none}.category-layout{grid-template-columns:1fr}.side-column{display:grid;grid-template-columns:1fr 1fr;gap:18px}.side-card+.side-card{margin-top:0}.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;gap:5px;align-items:flex-start;flex-direction:column;padding:8px 0}.topbar a{margin-left:12px}.header{height:66px}.logo{font-size:16px}.logo img{width:29px;height:29px}.open-btn{padding:8px 10px}.category-page{padding:32px 0 50px}.page-heading h1{font-size:29px}.article-card{grid-template-columns:1fr;gap:14px}.article-cover{height:190px}.article-card h2{font-size:18px}.side-column{display:block}.side-card+.side-card{margin-top:18px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px 18px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}.mega-grid{grid-template-columns:1fr 1fr}}