:root{--theme:#0B3D91;--ink:#172033;--muted:#667085;--line:#e5e7eb;--bg:#f5f7fb;--gold:#c9973e}
    *{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--bg);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.7}a{color:inherit;text-decoration:none}.container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{background:#101828;color:#d0d5dd;font-size:13px}.topbar .container{display:flex;justify-content:space-between;gap:20px;padding:8px 0}.topbar a{margin-left:22px;color:#f2f4f7}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}.header-inner{height:76px;display:flex;align-items:center;gap:35px}.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--theme);white-space:nowrap}.logo img{width:38px;height:38px;object-fit:contain}.main-nav{flex:1}.nav-list{display:flex;justify-content:center;gap:4px;list-style:none;margin:0;padding:0}.nav-item{position:relative}.nav-link{display:block;padding:25px 13px;font-size:15px;font-weight:600;white-space:nowrap}.nav-link:hover,.nav-link:focus{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%) translateY(8px);width:320px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:0 0 12px 12px;box-shadow:0 18px 40px #1018281c;opacity:0;visibility:hidden;transition:.2s}.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{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}.dropdown-panel a:not(.mega-footer),.mega-links a{display:block;padding:7px 0;border-bottom:1px solid #f0f2f5;font-size:14px}.mega-title{margin:0 0 12px;color:var(--theme);font-weight:800}.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.mega-card{display:block;padding:10px;border:1px solid var(--line);border-radius:8px;background:#fafbfc}.mega-card img{width:34px;height:34px;object-fit:contain;display:block;margin-bottom:5px}.mega-card strong{display:block;font-size:13px}.mega-card small{display:block;color:var(--muted);font-size:11px;line-height:1.45}.mega-footer{display:block;margin-top:16px;padding-top:12px;border-top:1px solid var(--line);color:var(--theme);font-weight:700;font-size:13px}
    .header-btns{display:flex;align-items:center;gap:10px;white-space:nowrap}.member-link{color:var(--theme);font-size:14px}.open-account{padding:9px 15px;background:var(--theme);color:#fff;border-radius:6px;font-size:14px}.hamburger{display:none;border:0;background:transparent;padding:8px;cursor:pointer}.hamburger span{display:block;width:24px;height:2px;margin:5px;background:var(--ink);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{display:none}.mobile-drawer{display:none}
    .article-page{padding:42px 0 72px}.article-wrap{max-width:900px;margin:auto;background:#fff;border:1px solid var(--line);border-radius:16px;padding:clamp(24px,5vw,58px);box-shadow:0 12px 30px #1018280b}.article-breadcrumb{color:var(--muted);font-size:13px;margin-bottom:22px}.article-breadcrumb a{color:var(--theme)}.article-title{font-size:clamp(30px,5vw,48px);line-height:1.25;margin:0 0 18px;color:#111827}.article-meta{display:flex;flex-wrap:wrap;gap:16px;color:var(--muted);font-size:14px;padding-bottom:22px;border-bottom:1px solid var(--line)}.article-cover{width:100%;max-height:460px;object-fit:cover;border-radius:12px;margin:28px 0}.article-body{min-width:0;max-width:100%;overflow-x:auto;font-size:16px;color:#344054}.article-body img,.article-body table{max-width:100%}.article-body h2,.article-body h3{color:#172033;margin-top:30px}.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin:28px 0}.article-tags a{padding:4px 11px;border-radius:99px;background:#edf3ff;color:var(--theme);font-size:13px}.article-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:38px;padding-top:24px;border-top:1px solid var(--line)}.article-nav a{padding:16px;background:#f8fafc;border-radius:10px;color:var(--theme)}.article-nav strong{display:block;color:var(--muted);font-size:12px}.like-title{margin:50px 0 16px}.like-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.like-card{padding:16px;border:1px solid var(--line);border-radius:10px;background:#fff}.like-card h3{font-size:16px;margin:0 0 8px;line-height:1.45}.like-card p{color:var(--muted);font-size:13px;margin:0}
    .footer{background:#101828;color:#cbd5e1;padding:48px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:32px}.footer h3,.footer h4{color:#fff;margin:0 0 14px}.footer h3{font-size:21px}.footer h4{font-size:15px}.footer p{font-size:13px;margin:8px 0;color:#98a2b3}.footer-grid>div>a{display:block;color:#cbd5e1;font-size:13px;margin:6px 0}.social-links{display:flex;gap:15px;margin-top:16px}.social-links a{color:#d9a441;font-size:13px}.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid #344054;margin-top:34px;padding-top:18px;color:#98a2b3;font-size:12px}
    @media(max-width:900px){.main-nav{display:none}.header-inner{height:66px}.header-btns{margin-left:auto}.member-link{display:none}.hamburger{display:block}.mobile-drawer{display:block;position:fixed;z-index:40;top:0;right:-360px;width:min(360px,88vw);height:100vh;overflow:auto;background:#fff;transition:right .25s;box-shadow:-10px 0 30px #0002}.mobile-drawer.open{right:0}.drawer-overlay{display:block;position:fixed;z-index:35;inset:0;background:#10182880;opacity:0;visibility:hidden;transition:.25s}.drawer-overlay.open{opacity:1;visibility:visible}.drawer-head{display:flex;align-items:center;gap:14px;padding:20px;border-bottom:1px solid var(--line);font-weight:700}.drawer-head>a{margin-left:auto;color:var(--theme)}.drawer-close{border:0;background:transparent;font-size:28px;line-height:1;cursor:pointer}.drawer-menu{padding:10px 20px}.drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid #eef0f3;background:transparent;text-align:left;font:inherit;color:var(--ink)}.drawer-toggle:after{content:"＋";float:right;color:var(--theme)}.drawer-toggle.active:after{content:"－"}.drawer-submenu{display:none;padding:5px 0 8px 15px}.drawer-submenu.open{display:block}.drawer-submenu a{display:block;padding:7px 0;color:var(--muted);font-size:14px}.mega-menu,.dropdown-panel{display:none}.footer-grid{grid-template-columns:1fr 1fr}.article-page{padding-top:24px}}
    @media(max-width:560px){.container{width:min(100% - 28px,1180px)}.topbar .container{display:block}.topbar .container>span{display:block}.topbar a{margin:0 14px 0 0}.open-account{padding:7px 10px}.article-wrap{padding:22px 18px}.article-title{font-size:30px}.article-nav,.like-list,.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}}