:root{--blue:#0B3D91;--ink:#172235;--muted:#667085;--line:#e5eaf1;--mist:#f5f7fa;--white:#fff;--green:#315c4c}
    *{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;color:var(--ink);background:#f7f9fb;line-height:1.7}a{color:inherit;text-decoration:none}.container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{background:#13233b;color:#dce6f4;font-size:13px}.topbar .container{min-height:36px;display:flex;align-items:center;justify-content:space-between}.topbar-links{display:flex;gap:22px}.topbar a{color:#dce6f4}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 4px 18px #182b4510}.header-inner{height:76px;display:flex;align-items:center;gap:34px}.logo{display:flex;align-items:center;gap:10px;min-width:190px;font-weight:800;color:var(--blue);font-size:20px}.logo img{width:38px;height:38px;object-fit:contain}.main-nav{flex:1}.nav-list{display:flex;align-items:center;justify-content:center;gap:5px;list-style:none;margin:0;padding:0}.nav-item{position:relative}.nav-link{display:block;padding:24px 13px;font-size:15px;white-space:nowrap}.nav-link:hover,.nav-link:focus{color:var(--blue)}.has-arrow:after{content:"⌄";font-size:12px;margin-left:6px;color:#8491a5}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% + 1px);left:50%;transform:translateX(-50%);width:300px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:0 0 12px 12px;box-shadow:0 18px 45px #1722351c;opacity:0;visibility:hidden;transition:.2s;z-index:30}.mega-menu{width:660px}.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:before,.mega-menu:before{content:"";position:absolute;left:0;right:0;top:-10px;height:10px}.dropdown-title,.mega-heading{margin:0 0 12px;font-size:16px;font-weight:800;color:var(--blue)}.dropdown-list{display:grid;gap:8px}.dropdown-list a{display:block;padding:7px 9px;border-radius:6px;font-size:14px}.dropdown-list a:hover{background:#eef4fc;color:var(--blue)}.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.mega-card{display:flex;flex-direction:column;gap:3px;padding:11px;border:1px solid var(--line);border-radius:9px;background:#fbfcfe}.mega-card:hover{border-color:#9db6dc;background:#f3f7fd}.mega-card img{width:32px;height:32px;object-fit:contain;margin-bottom:3px}.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;color:var(--blue);font-size:13px;font-weight:700}
    .header-btns{display:flex;align-items:center;gap:10px}.member-link{font-size:14px;color:var(--blue);font-weight:700}.open-account{padding:8px 15px;background:var(--blue);color:#fff;border-radius:6px;font-size:13px}.hamburger{display:none;border:0;background:none;padding:8px;cursor:pointer}.hamburger span{display:block;width:24px;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:#07132680;opacity:0;visibility:hidden;transition:.25s;z-index:50}.drawer-overlay.open{opacity:1;visibility:visible}.mobile-drawer{position:fixed;top:0;right:0;width:min(380px,88vw);height:100vh;background:#fff;z-index:51;transform:translateX(100%);transition:.3s;overflow:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-head{height:72px;display:flex;align-items:center;gap:16px;padding:0 20px;border-bottom:1px solid var(--line);font-weight:700;color:var(--blue)}.drawer-head a{margin-left:auto;color:var(--blue);font-size:14px}.drawer-close{border:0;background:none;font-size:28px;color:#718096;cursor:pointer}.drawer-menu{padding:12px 20px 30px}.drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid #edf0f4;background:none;text-align:left;font:inherit;color:var(--ink);cursor:pointer}.drawer-toggle:after{content:"＋";float:right;color:#8793a5}.drawer-toggle.active:after{content:"−"}.drawer-submenu{display:none;padding:3px 0 8px 14px;border-left:2px solid #d9e5f5}.drawer-submenu.open{display:block}.drawer-submenu a{display:block;padding:6px 0;color:var(--muted);font-size:14px}
    .category-page{padding:64px 0 85px}.page-heading{text-align:center;max-width:760px;margin:0 auto 42px}.eyebrow{display:inline-block;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:2px;margin-bottom:8px}.page-heading h1{margin:0 0 12px;font-size:clamp(30px,4vw,48px);line-height:1.2;color:#162b4b}.page-heading p{margin:0;color:var(--muted);font-size:16px}.article-list{display:grid;gap:20px;max-width:980px;margin:auto}.article-card{display:grid;grid-template-columns:300px 1fr;gap:25px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 8px 28px #182b4508;overflow:hidden}.article-card:hover{border-color:#a8bfdf;box-shadow:0 12px 32px #0b3d9114}.article-cover{min-height:210px;border-radius:10px;overflow:hidden;background:#e9eef4}.article-cover img{width:100%;height:100%;min-height:210px;display:block;object-fit:cover}.article-body{min-width:0;display:flex;flex-direction:column;align-items:flex-start}.article-category{font-size:12px;color:var(--blue);font-weight:800;background:#edf4fd;padding:3px 9px;border-radius:20px;margin-bottom:8px}.article-title{margin:0 0 8px;font-size:23px;line-height:1.4;color:#1b355a}.article-summary{margin:0 0 13px;color:#667085;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.article-meta{display:flex;flex-wrap:wrap;gap:12px;color:#8a95a5;font-size:12px;margin-top:auto}.article-tags{margin:12px 0 15px;display:flex;gap:7px;flex-wrap:wrap}.article-tags span{padding:3px 8px;background:#f1f4f7;color:#657186;border-radius:4px;font-size:12px}.read-more{color:var(--blue);font-size:14px;font-weight:800}.pagination{display:flex;justify-content:center;gap:8px;margin-top:38px;flex-wrap:wrap}.pagination a{min-width:34px;padding:5px 11px;text-align:center;border:1px solid var(--line);background:#fff;border-radius:5px;color:#536174}.pagination a:hover,.pagination a.active{background:var(--blue);border-color:var(--blue);color:#fff}
    .footer{background:#14243b;color:#cbd7e7;padding:52px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:35px}.footer h3{margin:0 0 15px;color:#fff;font-size:16px}.footer p{margin:5px 0;font-size:13px;color:#aebdd0}.footer-links{display:grid;gap:7px;font-size:13px}.footer-links a:hover{color:#fff}.footer-bottom{border-top:1px solid #ffffff1c;margin-top:38px;padding-top:18px;color:#8fa1b8;font-size:12px}
    @media(max-width:980px){.main-nav{display:none}.header-inner{justify-content:space-between}.hamburger{display:block}.member-link{display:none}.mega-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:700px){.container{width:min(100% - 28px,1180px)}.topbar .container{display:block;padding:7px 0}.topbar-links{gap:12px;flex-wrap:wrap}.header-inner{height:68px}.logo{min-width:0;font-size:17px}.logo img{width:32px;height:32px}.open-account{display:none}.category-page{padding:42px 0 60px}.page-heading{margin-bottom:28px}.page-heading h1{font-size:31px}.article-card{grid-template-columns:1fr;padding:13px;gap:15px}.article-cover,.article-cover img{min-height:180px;height:180px}.article-title{font-size:20px}.article-summary{-webkit-line-clamp:4}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}.footer{padding-top:38px}.footer-bottom{margin-top:28px}.drawer-head{height:66px}}
    @media(max-width:430px){.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}}