:root{--theme:#0B3D91;--ink:#071225;--ink-2:#0e1d35;--text:#26364d;--muted:#718096;--line:#dce5ef;--soft:#f3f7fb;--accent:#18c8ff;--white:#fff;--shadow:0 18px 50px rgba(7,18,37,.12)}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--text);background:#f7faff;font:14px/1.7 Arial,"Microsoft YaHei","PingFang SC",sans-serif}
    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:var(--ink);color:#c5d2e4;font-size:12px}
    .topbar-inner{height:36px;display:flex;align-items:center;justify-content:space-between}
    .topbar-links{display:flex;gap:22px}.topbar a{color:#d8e5f5}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid #e8eef5}
    .header-inner{height:78px;display:flex;align-items:center;gap:32px}
    .logo{display:flex;align-items:center;gap:11px;min-width:190px;color:var(--ink);font-size:18px;font-weight:800;white-space:nowrap}
    .logo img{width:34px;height:34px;object-fit:contain}
    .main-nav{flex:1;height:100%}.nav-list{height:100%;display:flex;align-items:center;justify-content:center;gap:3px;list-style:none;margin:0;padding:0}
    .nav-item{height:100%;position:relative}.nav-link{height:100%;display:flex;align-items:center;padding:0 14px;color:#30435d;font-weight:600;white-space:nowrap}
    .nav-link:hover,.nav-link:focus-visible{color:var(--theme)}
    .has-arrow:after{content:"";width:6px;height:6px;margin-left:8px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px)}
    .dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);opacity:0;visibility:hidden;pointer-events:none;background:#fff;border:1px solid #e4ebf3;box-shadow:var(--shadow);transition:.2s;z-index:30}
    .dropdown-panel{width:270px;padding:18px}.dropdown-title,.mega-heading{margin-bottom:10px;color:var(--ink);font-weight:800}
    .dropdown-panel a{display:block;padding:7px 0;border-bottom:1px solid #edf2f7;color:#53657b;font-size:13px}
    .dropdown-panel a:last-child{color:var(--theme);border:0;font-weight:700}
    .mega-menu{width:720px;padding:25px}.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.mega-list{display:grid;gap:7px}
    .mega-list>a{display:flex;align-items:center;gap:10px;padding:7px;border-radius:6px}.mega-list>a:hover{background:var(--soft)}
    .mega-list img{width:32px;height:32px;object-fit:contain;border-radius:5px;background:#f1f5f9}
    .mega-item-title,.mega-item-meta{display:block}.mega-item-title{font-size:13px;color:var(--ink);font-weight:700}.mega-item-meta{color:var(--muted);font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:245px}
    .mega-categories{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.mega-categories a,.mega-tools span{padding:7px 10px;border:1px solid #e4ebf3;color:#52657b;border-radius:4px;font-size:12px}
    .mega-tools{display:flex;flex-wrap:wrap;gap:7px;margin:18px 0}.mega-footer{display:inline-block;color:var(--theme);font-weight:700;font-size:13px}
    .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}
    .nav-item:after{content:"";position:absolute;left:0;right:0;top:100%;height:14px}
    .header-btns{display:flex;align-items:center;gap:12px;white-space:nowrap}.member-link{color:var(--theme);font-weight:700}.account-btn{padding:9px 15px;border-radius:4px;background:var(--theme);color:#fff;font-weight:700}
    .hamburger{display:none;width:42px;height:40px;padding:9px;border:1px solid #dce5ef;background:#fff;border-radius:4px;cursor:pointer}.hamburger span{display:block;height:2px;margin:5px 0;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{position:fixed;inset:0;background:rgba(2,10,23,.56);opacity:0;visibility:hidden;transition:.25s;z-index:40}.drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{position:fixed;top:0;right:0;width:min(360px,88vw);height:100vh;background:#fff;transform:translateX(100%);transition:.25s;z-index:41;overflow:auto}.mobile-drawer.open{transform:translateX(0)}
    .drawer-head{height:70px;display:flex;align-items:center;gap:18px;padding:0 20px;border-bottom:1px solid var(--line);color:var(--ink);font-weight:800}.drawer-head a{margin-left:auto;color:var(--theme)}.drawer-close{border:0;background:transparent;color:#66768b;font-size:28px;line-height:1;cursor:pointer}
    .drawer-menu{padding:12px 20px 30px}.drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 0;border:0;border-bottom:1px solid #edf2f7;background:none;text-align:left;color:var(--ink);font-weight:700;cursor:pointer}.drawer-toggle:after{content:"+";float:right;color:var(--theme);font-size:18px}.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:7px 0;color:var(--muted);font-size:13px}
    .tag-page{padding-bottom:75px}.tag-hero{padding:74px 0 62px;background:linear-gradient(135deg,#071225 0%,#0B3D91 68%,#116b9f 100%);color:#fff}.tag-hero-inner{max-width:820px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#8de6ff;font-size:12px;font-weight:800;letter-spacing:1px}.eyebrow:before{content:"";width:24px;height:2px;background:var(--accent)}
    .tag-hero h1{margin:14px 0 8px;font-size:clamp(34px,5vw,58px);line-height:1.15;color:#fff}.tag-hero p{max-width:680px;margin:0;color:#c8d7e9;font-size:16px}
    .tag-summary{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}.tag-summary span{padding:7px 13px;border:1px solid rgba(255,255,255,.25);border-radius:20px;color:#dbeafe;background:rgba(255,255,255,.08)}
    .tag-content{padding-top:42px}.tag-toolbar{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:20px}.tag-toolbar h2{margin:0;color:var(--ink);font-size:24px}.tag-toolbar p{margin:3px 0 0;color:var(--muted)}
    .tag-filter{padding:9px 13px;border:1px solid var(--line);border-radius:4px;background:#fff;color:var(--theme);font-weight:700}
    .tag-articles{display:grid;gap:18px}.tag-article{display:grid;grid-template-columns:260px 1fr;background:#fff;border:1px solid #e4ebf3;border-radius:8px;overflow:hidden;box-shadow:0 7px 22px rgba(23,53,91,.05);transition:.2s}.tag-article:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
    .tag-article-cover{min-height:180px;background:#dce8f4}.tag-article-cover img{width:100%;height:100%;object-fit:cover}.tag-article-body{padding:22px 25px}.tag-article-meta{display:flex;flex-wrap:wrap;gap:12px;color:#7b8b9e;font-size:12px}.tag-article h3{margin:8px 0;color:var(--ink);font-size:20px;line-height:1.35}.tag-article-summary{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden;margin:0 0 13px;color:#63748a}.tag-article-foot{display:flex;align-items:center;justify-content:space-between;gap:12px}.article-tags{display:flex;flex-wrap:wrap;gap:6px;color:var(--theme);font-size:12px}.article-tags span{padding:3px 8px;background:#eef5ff;border-radius:3px}.read-link{color:var(--theme);font-weight:800;white-space:nowrap}
    .pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:34px}.pagination a{min-width:35px;padding:6px 11px;text-align:center;border:1px solid var(--line);border-radius:4px;background:#fff;color:#52657b}.pagination a.active,.pagination a:hover{border-color:var(--theme);background:var(--theme);color:#fff}
    .footer{padding:54px 0 20px;background:var(--ink);color:#9eafc4}.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.1fr;gap:35px}.footer-brand img{width:38px;height:38px;object-fit:contain}.footer h3{margin:10px 0;color:#fff;font-size:18px}.footer h4{margin:0 0 14px;color:#fff}.footer p{max-width:285px;margin:0;line-height:1.8}.footer-links,.footer-contact{display:grid;gap:8px}.footer-links a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:38px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:12px}
    @media(max-width:980px){.main-nav{display:none}.header-inner{justify-content:space-between}.header-btns{margin-left:auto}.hamburger{display:block}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:640px){.container{width:min(100% - 28px,1180px)}.topbar-inner{height:auto;min-height:36px;padding:7px 0;align-items:flex-start;gap:8px}.topbar-links{gap:10px;flex-wrap:wrap;justify-content:flex-end}.logo{min-width:0;font-size:16px}.member-link{display:none}.account-btn{padding:8px 10px;font-size:12px}.tag-hero{padding:52px 0 46px}.tag-hero h1{font-size:38px}.tag-hero p{font-size:14px}.tag-toolbar{display:block}.tag-filter{display:inline-block;margin-top:15px}.tag-article{display:block}.tag-article-cover{height:190px;min-height:0}.tag-article-body{padding:18px}.tag-article h3{font-size:18px}.tag-article-foot{align-items:flex-end}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}