:root{--theme:#0B3D91;--ink:#152238;--muted:#667085;--line:#e5eaf1;--bg:#f5f7fb;--white:#fff}
*{box-sizing:border-box}
html,body{margin:0;padding:0;color:var(--ink);background:var(--bg);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif}
a{color:inherit;text-decoration:none}
.container{width:min(1180px,calc(100% - 32px));margin:auto}
.topbar{height:36px;background:#101c32;color:#dbe5f4;font-size:12px}
.topbar .container{height:100%;display:flex;align-items:center;justify-content:space-between}
.topbar a{margin-left:20px;color:#dbe5f4}
.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:188px;font-weight:800;font-size:18px;color:var(--theme)}
.logo img{width:36px;height:36px;object-fit:contain}
.main-nav{flex:1}
.nav-list{display:flex;align-items:center;gap:4px;list-style:none;padding:0;margin:0}
.nav-item{position:relative}
.nav-link{display:block;padding:29px 13px;font-size:14px;white-space:nowrap}
.nav-link:hover{color:var(--theme)}
.has-arrow:after{content:"⌄";font-size:12px;margin-left:6px}
.dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);width:310px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:0 0 12px 12px;box-shadow:0 16px 34px #1522381c;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}
.mega-menu{width:560px}
.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;pointer-events:auto}
.panel-title{margin:0 0 13px;font-size:15px;font-weight:800;color:var(--theme)}
.panel-list{display:grid;gap:8px}
.panel-list a{display:block;padding:7px 0;border-bottom:1px solid #f0f2f6;font-size:13px}
.mega-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.mega-card{display:flex;flex-direction:column;gap:5px;min-height:76px;padding:12px;border:1px solid var(--line);border-radius:9px;background:#fbfcfe}
.mega-card:hover{border-color:var(--theme);background:#f3f7ff}
.mega-card img{width:24px;height:24px;object-fit:contain}
.mega-card strong{font-size:13px}
.mega-card small{font-size:11px;color:var(--muted);line-height:1.45}
.mega-footer{display:block;margin-top:15px;padding-top:12px;border-top:1px solid var(--line);color:var(--theme);font-size:13px;font-weight:700}
.header-btns{display:flex;align-items:center;gap:10px;white-space:nowrap}
.member,.open-account{padding:9px 13px;border-radius:6px;font-size:13px}
.member{color:var(--theme);border:1px solid #cdd9ec}
.open-account{color:#fff;background:var(--theme)}
.hamburger{display:none;border:0;background:none;padding:7px;cursor:pointer}
.hamburger span{display:block;width:22px;height:2px;margin:4px 0;background:var(--ink);transition:.2s}
.drawer-overlay{display:none}
.mobile-drawer{display:none}

.category-page{padding:54px 0 76px}
.page-heading{text-align:center;margin-bottom:34px}
.page-heading .eyebrow{display:inline-block;color:var(--theme);font-size:13px;font-weight:700;letter-spacing:2px;margin-bottom:10px}
.page-heading h1{margin:0;font-size:clamp(28px,4vw,44px);line-height:1.2}
.page-heading p{max-width:700px;margin:15px auto 0;color:var(--muted);font-size:15px;line-height:1.8}
.article-list{display:grid;gap:20px}
.article-card{display:grid;grid-template-columns:300px minmax(0,1fr);gap:24px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 8px 22px #1d35570a}
.article-cover{height:205px;overflow:hidden;border-radius:10px;background:#e8edf5}
.article-cover img{width:100%;height:100%;display:block;object-fit:cover}
.article-body{min-width:0;padding:3px 4px}
.article-category{display:inline-block;color:var(--theme);background:#edf3ff;padding:5px 9px;border-radius:4px;font-size:12px;margin-bottom:10px}
.article-body h2{margin:0 0 10px;font-size:21px;line-height:1.45}
.article-body h2 a:hover{color:var(--theme)}
.article-summary{margin:0 0 15px;color:#5f6b7a;font-size:14px;line-height:1.8;display:block;min-height:50px}
.article-meta{display:flex;flex-wrap:wrap;gap:14px;color:#7a8492;font-size:12px;margin-bottom:15px}
.article-tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:15px}
.article-tags span{padding:4px 8px;background:#f3f5f8;border-radius:4px;color:#667085;font-size:11px}
.read-more{display:inline-flex;align-items:center;color:var(--theme);font-size:13px;font-weight:700}
.read-more:after{content:"→";margin-left:7px}
.pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:36px}
.pagination a{min-width:34px;padding:9px 12px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:5px;font-size:13px}
.pagination a:hover,.pagination a.active{color:#fff;background:var(--theme);border-color:var(--theme)}

.footer{background:#101c32;color:#cbd5e1;padding:48px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:34px}
.footer-brand img{width:38px;height:38px;object-fit:contain;vertical-align:middle;margin-right:8px}
.footer-brand strong{color:#fff;font-size:17px}
.footer p{font-size:12px;line-height:1.8;color:#9eacc0}
.footer h3{margin:0 0 16px;color:#fff;font-size:14px}
.footer-grid>div:not(.footer-brand) a{display:block;margin:0 0 10px;font-size:12px;color:#b9c7d8}
.footer-grid a:hover{color:#fff}
.footer-bottom{margin-top:36px;padding:18px 0;border-top:1px solid #2a3950;color:#8d9bb0;font-size:12px}

@media(max-width:900px){
 .main-nav{display:none}.header-inner{height:66px}.header-btns{margin-left:auto}.member{display:none}.hamburger{display:block}
 .mobile-drawer{display:block;position:fixed;z-index:40;top:0;right:-340px;width:min(340px,88vw);height:100vh;overflow:auto;background:#fff;transition:right .25s;box-shadow:-12px 0 30px #0002}
 .mobile-drawer.open{right:0}.drawer-overlay{position:fixed;z-index:35;inset:0;background:#07132699;opacity:0;visibility:hidden;transition:.25s}
 .drawer-overlay.open{display:block;opacity:1;visibility:visible}
 .drawer-head{display:flex;align-items:center;gap:18px;padding:20px;border-bottom:1px solid var(--line);font-weight:700}
 .drawer-head a{margin-left:auto;color:var(--theme);font-size:13px}.drawer-close{border:0;background:none;font-size:28px;color:#697586;cursor:pointer}
 .drawer-menu{padding:10px 20px}.drawer-link,.drawer-toggle{display:block;width:100%;padding:15px 0;border:0;border-bottom:1px solid #edf0f4;background:none;text-align:left;font-size:14px;color:var(--ink)}
 .drawer-toggle{cursor:pointer}.drawer-toggle:after{content:"＋";float:right;color:#8a94a3}.drawer-toggle.active:after{content:"－"}
 .drawer-submenu{display:none;padding:5px 0 8px 14px}.drawer-submenu.open{display:block}.drawer-submenu a{display:block;padding:9px 0;color:#667085;font-size:13px}
 .article-card{grid-template-columns:220px minmax(0,1fr);gap:18px}.article-cover{height:190px}.footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
 .topbar{height:auto;padding:8px 0}.topbar .container{display:block;line-height:1.8}.topbar a{margin:0 14px 0 0}
 .logo{min-width:0;font-size:16px}.open-account{display:none}.category-page{padding:38px 0 55px}.page-heading{margin-bottom:24px}
 .article-card{display:block;padding:13px}.article-cover{height:190px;margin-bottom:15px}.article-body h2{font-size:18px}.article-summary{min-height:0}
 .footer-grid{grid-template-columns:1fr;gap:25px}.footer{padding-top:35px}
}