:root{--blue:#0B3D91;--ink:#111827;--muted:#64748b;--line:#e2e8f0;--paper:#f8fafc;--white:#fff}
    *{box-sizing:border-box}html,body{margin:0;padding:0;color:var(--ink);background:var(--paper);font-family:Arial,"Microsoft YaHei","微软雅黑",sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}button{font:inherit}.container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{background:#0b1220;color:#dbeafe;font-size:13px}.topbar-inner{height:36px;display:flex;align-items:center;justify-content:space-between}.topbar-info{display:flex;gap:20px}.topbar a:hover{color:#fff}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}.header-inner{height:76px;display:flex;align-items:center;gap:32px}.logo{display:flex;align-items:center;gap:10px;min-width:190px;font-weight:800;color:#0f172a}.logo img{width:34px;height:34px;object-fit:contain}.logo span{font-size:18px}.main-nav{flex:1}.nav-list{display:flex;align-items:center;justify-content:center;gap:4px;list-style:none;padding:0;margin:0}.nav-item{position:relative}.nav-link{display:block;padding:26px 14px;font-size:14px;color:#334155;white-space:nowrap}.nav-link:hover{color:var(--blue)}.has-arrow:after{content:"⌄";font-size:12px;margin-left:6px}.dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);visibility:hidden;opacity:0;pointer-events:none;background:#fff;border:1px solid var(--line);box-shadow:0 18px 45px #0f172a22;border-radius:0 0 14px 14px;padding:18px;transition:.2s;z-index:30}.dropdown-panel{width:290px}.dropdown-panel a{display:block;padding:9px 10px;border-radius:7px;font-size:14px}.dropdown-panel a:hover,.mega-card:hover{background:#eff6ff;color:var(--blue)}.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{visibility:visible;opacity:1;pointer-events:auto}.mega-heading{margin:0 0 13px;font-size:16px}.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.mega-card{display:flex;flex-direction:column;gap:3px;padding:12px;border:1px solid #edf2f7;border-radius:9px;font-size:13px}.mega-card small{color:var(--muted);font-size:11px}.mega-card img{width:25px;height:25px;object-fit:contain}.mega-footer{display:inline-block;margin-top:14px;color:var(--blue);font-size:13px;font-weight:700}.header-btns{display:flex;align-items:center;gap:12px;white-space:nowrap}.member-link{color:var(--blue);font-size:13px}.open-link{background:var(--blue);color:#fff;border-radius:5px;padding:8px 13px;font-size:13px}.hamburger{display:none;border:0;background:transparent;padding:6px;cursor:pointer}.hamburger span{display:block;width:23px;height:2px;background:#1e293b;margin:5px}
    .drawer-overlay{display:none;position:fixed;inset:0;background:#02061788;z-index:40}.drawer-overlay.open{display:block}.mobile-drawer{position:fixed;right:-360px;top:0;bottom:0;width:min(360px,88vw);background:#fff;z-index:41;transition:right .25s;overflow:auto}.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:700}.drawer-head a{color:var(--blue);font-size:13px;margin-left:auto;margin-right:18px}.drawer-close{border:0;background:none;font-size:28px;cursor:pointer}.drawer-menu{padding:12px 20px}.drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid #f1f5f9;background:none;text-align:left;color:#1e293b;cursor:pointer}.drawer-toggle:after{content:"＋";float:right;color:var(--blue)}.drawer-toggle.active:after{content:"－"}.drawer-submenu{display:none;padding:4px 0 8px 15px}.drawer-submenu.open{display:block}.drawer-submenu a{display:block;padding:8px 0;color:var(--muted);font-size:13px}
    .tag-page{padding:70px 0 90px;min-height:540px}.tag-hero{padding:42px 0;border-bottom:1px solid var(--line);text-align:center;background:#fff}.tag-kicker{margin:0;color:var(--blue);font-size:12px;letter-spacing:.16em;font-weight:700}.tag-page h1{margin:8px 0 10px;font-size:clamp(30px,5vw,56px);letter-spacing:-.04em}.tag-page .lead{margin:0 auto;color:var(--muted);max-width:680px}.tag-meta{display:flex;justify-content:center;gap:18px;margin-top:18px;color:#64748b;font-size:13px}.tag-content{padding-top:38px}.tag-content-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:18px}.tag-content-head h2{margin:0;font-size:22px}.tag-content-head span{color:var(--muted);font-size:13px}.tag-articles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.tag-article{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:.2s}.tag-article:hover{transform:translateY(-3px);box-shadow:0 12px 30px #0f172a12}.tag-article img{width:100%;height:170px;object-fit:cover;background:#e2e8f0}.tag-article-body{padding:18px}.tag-article-label{color:var(--blue);font-size:12px;font-weight:700}.tag-article h3{font-size:18px;line-height:1.4;margin:8px 0}.tag-article p{margin:0 0 13px;color:var(--muted);font-size:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.tag-article-info{display:flex;flex-wrap:wrap;gap:9px;color:#94a3b8;font-size:12px}.tag-article-cta{display:inline-block;margin-top:15px;color:var(--blue);font-size:13px;font-weight:700}.pagination{display:flex;justify-content:center;gap:8px;margin-top:36px}.pagination a{padding:8px 13px;border:1px solid var(--line);background:#fff;border-radius:6px;font-size:13px}.pagination a:hover,.pagination a.active{background:var(--blue);color:#fff;border-color:var(--blue)}
    .footer{background:#0b1220;color:#cbd5e1;padding:54px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}.footer-brand{font-size:20px;color:#fff;font-weight:800;margin-bottom:13px}.footer p{margin:7px 0;font-size:13px;color:#94a3b8}.footer h3{font-size:14px;color:#fff;margin:0 0 13px}.footer-grid a{display:block;color:#a9b8cc;font-size:13px;margin:7px 0}.footer-grid a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid #253247;margin-top:35px;padding-top:18px;color:#8190a5;font-size:12px}
    @media(max-width:980px){.main-nav{display:none}.header-inner{height:64px}.header-btns{margin-left:auto}.hamburger{display:block}.mega-menu{display:none}.tag-articles{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:600px){.container{width:min(100% - 28px,1180px)}.topbar-inner{height:auto;min-height:36px;gap:8px;padding:8px 0;align-items:flex-start}.topbar-info{flex-direction:column;gap:0;text-align:right}.logo{min-width:0}.logo span{font-size:15px}.member-link{display:none}.tag-page{padding:35px 0 60px}.tag-hero{padding:28px 0}.tag-content-head{display:block}.tag-content-head span{display:block;margin-top:5px}.tag-articles{grid-template-columns:1fr}.tag-article img{height:190px}.footer-grid{grid-template-columns:1fr;gap:24px}.footer-bottom{display:block}.footer-bottom span{display:block;margin:5px 0}.mega-grid{grid-template-columns:1fr}}