:root{
  --primary:#0B3D91;
  --ink:#172033;
  --muted:#667085;
  --line:#e5e9f0;
  --paper:#f6f8fb;
  --white:#fff;
  --shadow:0 18px 45px rgba(21,39,72,.10);
  --radius:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.65}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.topbar{background:#111c31;color:#dce6f7;font-size:13px}
.topbar .container{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.topbar a{margin-left:20px;color:#dce6f7}
.header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
.header-inner{min-height:76px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;white-space:nowrap;color:var(--primary)}
.logo img{width:38px;height:38px;object-fit:contain}
.main-nav{margin-left:auto}
.nav-list{display:flex;align-items:stretch;gap:2px;list-style:none;padding:0;margin:0}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;min-height:76px;padding:0 14px;font-size:14px;font-weight:600;color:#344054;white-space:nowrap}
.nav-link:hover,.nav-link:focus{color:var(--primary)}
.has-arrow:after{content:"";width:6px;height:6px;margin:0 0 4px 8px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg)}
.dropdown-panel,.mega-menu{position:absolute;top:calc(100% + 1px);left:50%;transform:translateX(-50%) translateY(8px);width:245px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:0 0 14px 14px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:.2s ease}
.dropdown-panel:before,.mega-menu:before{content:"";position:absolute;left:0;right:0;top:-10px;height:10px}
.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;transform:translateX(-50%) translateY(0)}
.dropdown-panel a{display:block;padding:9px 11px;border-radius:8px;font-size:13px}
.dropdown-panel a:hover{background:#eef4ff;color:var(--primary)}
.mega-menu{width:min(720px,calc(100vw - 32px));padding:18px}
.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.mega-card{display:block;padding:10px;border:1px solid var(--line);border-radius:12px;background:#fbfcfe;transition:.2s}
.mega-card:hover{border-color:#9db7e9;transform:translateY(-2px)}
.mega-card img{width:100%;height:70px;object-fit:cover;border-radius:8px;background:#edf2fa;margin-bottom:8px}
.mega-card strong{display:block;font-size:13px;margin-bottom:4px}
.mega-card small{display:block;color:var(--muted);font-size:11px;line-height:1.5}
.mega-footer{display:inline-block;margin-top:14px;margin-right:8px;padding:8px 13px;border-radius:8px;background:#eef4ff;color:var(--primary);font-size:12px}
.product-menu{width:min(760px,calc(100vw - 32px))}
.header-btns{display:flex;align-items:center;gap:9px}
.member-entry,.open-account{padding:9px 13px;border-radius:8px;font-size:13px;white-space:nowrap}
.member-entry{color:var(--primary);border:1px solid #bfd0ee}
.open-account{background:var(--primary);color:#fff}
.hamburger{display:none;border:0;background:transparent;width:42px;height:42px;padding:9px;cursor:pointer}
.hamburger span{display:block;height:2px;background:var(--ink);margin:5px 0;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{position:fixed;inset:0;background:rgba(9,21,43,.45);opacity:0;visibility:hidden;z-index:40;transition:.2s}
.drawer-overlay.open{opacity:1;visibility:visible}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(360px,88vw);background:#fff;z-index:41;transform:translateX(100%);transition:.25s;overflow:auto;box-shadow:-10px 0 30px rgba(0,0,0,.15)}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;gap:10px;padding:19px 20px;border-bottom:1px solid var(--line);font-weight:700;color:var(--primary)}
.drawer-head>a{margin-left:auto;padding:7px 12px;border-radius:7px;background:var(--primary);color:#fff;font-size:13px}
.drawer-close{border:0;background:transparent;font-size:28px;color:#667085;cursor:pointer;line-height:1}
.drawer-menu{padding:10px 18px 30px}
.drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 2px;border:0;border-bottom:1px solid #edf0f5;background:transparent;text-align:left;font-size:15px;color:var(--ink);cursor:pointer}
.drawer-toggle:after{content:"+";float:right;color:var(--primary);font-size:19px}
.drawer-toggle.active:after{content:"−"}
.drawer-submenu{max-height:0;overflow:hidden;transition:max-height .25s;padding-left:15px}
.drawer-submenu.open{max-height:500px}
.drawer-submenu a{display:block;padding:9px 2px;color:var(--muted);font-size:13px}
.footer{margin-top:70px;background:#111c31;color:#dce6f7}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.15fr;gap:35px;padding:48px 0 38px}
.footer h3{margin:0 0 13px;color:#fff;font-size:20px}
.footer h4{margin:0 0 13px;color:#fff;font-size:15px}
.footer p{margin:7px 0;color:#aebbd0;font-size:13px}
.footer-grid>div>a{display:block;margin:7px 0;color:#aebbd0;font-size:13px}
.footer-grid>div>a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:15px;padding:18px 0;border-top:1px solid rgba(255,255,255,.12);color:#93a3bc;font-size:12px}

.category-page{padding:54px 0 0}
.category-heading{text-align:center;max-width:760px;margin:0 auto 38px}
.category-heading .eyebrow{display:inline-block;color:var(--primary);font-weight:700;font-size:13px;letter-spacing:.12em;margin-bottom:10px}
.category-heading h1{margin:0 0 13px;font-size:clamp(30px,4vw,48px);line-height:1.2;color:#152644}
.category-heading p{margin:0;color:var(--muted);font-size:15px}
.article-list{display:grid;gap:20px}
.article-card{display:grid;grid-template-columns:300px minmax(0,1fr);gap:24px;padding:18px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 24px rgba(29,48,82,.05);transition:.2s}
.article-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#bfd0ee}
.article-cover{height:205px;overflow:hidden;border-radius:11px;background:#e9eef7}
.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-kicker{display:inline-flex;align-items:center;padding:4px 9px;border-radius:20px;background:#eef4ff;color:var(--primary);font-size:12px;margin-bottom:9px}
.article-body h2{margin:0 0 9px;font-size:21px;line-height:1.4;color:#152644}
.article-body h2 a:hover{color:var(--primary)}
.article-summary{margin:0 0 14px;color:#667085;font-size:14px;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}
.article-meta{display:flex;flex-wrap:wrap;gap:8px 17px;color:#7b8799;font-size:12px;margin-top:auto;padding-top:7px}
.article-tags{margin-top:10px;color:#68758a;font-size:12px}
.article-tags strong{color:#475467;margin-right:5px}
.article-cta{display:inline-flex;margin-top:15px;padding:8px 14px;border:1px solid #bfd0ee;color:var(--primary);border-radius:8px;font-size:13px;font-weight:700}
.article-cta:hover{background:var(--primary);color:#fff}
.pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin:36px 0 0}
.pagination a{min-width:36px;padding:7px 11px;text-align:center;border:1px solid var(--line);border-radius:8px;background:#fff;color:#536174;font-size:13px}
.pagination a:hover,.pagination a.current,.pagination a.active{background:var(--primary);border-color:var(--primary);color:#fff}
.category-note{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px;padding:17px 20px;border-left:4px solid var(--primary);background:#eef4ff;color:#475467;border-radius:0 10px 10px 0;font-size:14px}
.category-note strong{color:#152644;white-space:nowrap}
@media(max-width:1050px){
  .main-nav{display:none}
  .header-btns{margin-left:auto}
  .hamburger{display:block}
}
@media(max-width:700px){
  .container{width:min(100% - 28px,1180px)}
  .topbar .container{align-items:flex-start;flex-direction:column;gap:2px;padding:8px 0}
  .topbar a{margin:0 15px 0 0}
  .header-inner{min-height:66px;gap:10px}
  .logo{font-size:16px}
  .logo img{width:32px;height:32px}
  .member-entry{display:none}
  .open-account{padding:8px 10px;font-size:12px}
  .category-page{padding-top:34px}
  .category-heading{margin-bottom:27px}
  .category-heading h1{font-size:31px}
  .category-heading p{font-size:14px}
  .category-note{align-items:flex-start;flex-direction:column;gap:5px;padding:14px}
  .article-card{grid-template-columns:1fr;gap:15px;padding:13px}
  .article-cover{height:190px}
  .article-body h2{font-size:19px}
  .article-summary{-webkit-line-clamp:4}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px 18px;padding:35px 0 28px}
  .footer-bottom{flex-direction:column}
}
@media(max-width:430px){
  .footer-grid{grid-template-columns:1fr}
}