:root{
      --primary:#0B3D91;
      --primary-dark:#082e6d;
      --magenta:#c21875;
      --ink:#172033;
      --muted:#718096;
      --line:#e6eaf0;
      --bg:#f5f7fa;
      --card:#fff;
      --shadow:0 12px 32px rgba(21,35,58,.08);
      --radius:18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}

    .topbar{background:#10213e;color:#d8e2f2;font-size:13px}
    .topbar .container{height:36px;display:flex;align-items:center;justify-content:space-between}
    .topbar-links{display:flex;gap:22px}
    .topbar a{color:#d8e2f2;transition:.2s}
    .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:30px}
    .logo{display:flex;align-items:center;gap:10px;min-width:190px;color:var(--primary);font-weight:800;font-size:18px}
    .logo img{width:36px;height:36px;object-fit:contain;border-radius:9px}
    .main-nav{flex:1}
    .nav-list{display:flex;align-items:center;justify-content:center;gap:4px;padding:0;margin:0;list-style:none}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:5px;padding:25px 13px;color:#29354a;font-size:14px;white-space:nowrap}
    .nav-link:hover{color:var(--primary)}
    .has-arrow:after{content:"";width:6px;height:6px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg) translateY(-2px)}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% - 1px);left:50%;transform:translateX(-50%) translateY(8px);width:330px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:0 0 16px 16px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:.22s;pointer-events:none}
    .mega-menu{width:680px}
    .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);pointer-events:auto}
    .dropdown-panel:before,.mega-menu:before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
    .drop-title,.mega-title{font-weight:800;color:var(--primary);margin:0 0 12px;font-size:15px}
    .drop-list{display:grid;gap:9px}
    .drop-list a{display:block;color:#4b5870;font-size:13px}
    .drop-list a:hover{color:var(--magenta)}
    .mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
    .mega-items{display:grid;gap:9px}
    .mega-card{display:flex;align-items:center;gap:10px;padding:7px;border-radius:10px}
    .mega-card:hover{background:#f4f7fb}
    .mega-card img{width:34px;height:34px;border-radius:8px;object-fit:cover;background:#edf1f6}
    .mega-card span{min-width:0;display:grid;gap:1px}
    .mega-card strong{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .mega-card small{font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .mega-footer{display:inline-block;margin-top:16px;padding-top:12px;border-top:1px solid var(--line);width:100%;color:var(--primary);font-size:13px;font-weight:700}
    .header-btns{display:flex;align-items:center;gap:10px}
    .member-link{font-size:13px;color:var(--primary);font-weight:700}
    .open-account{background:var(--primary);color:#fff;padding:9px 15px;border-radius:8px;font-size:13px}
    .open-account:hover{background:var(--primary-dark)}
    .hamburger{display:none;width:40px;height:38px;padding:8px;border:1px solid var(--line);background:#fff;border-radius:8px;cursor:pointer}
    .hamburger span{display:block;height:2px;background:var(--primary);margin:4px 0;transition:.2s}
    .hamburger.active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
    .hamburger.active span:nth-child(2){opacity:0}
    .hamburger.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

    .drawer-overlay{position:fixed;inset:0;background:rgba(12,25,47,.48);opacity:0;visibility:hidden;transition:.25s;z-index:40}
    .drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{position:fixed;right:0;top:0;bottom:0;width:min(390px,88vw);background:#fff;z-index:41;transform:translateX(100%);transition:.28s;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:800;color:var(--primary)}
    .drawer-head>a{margin-left:auto;color:var(--magenta);font-size:14px}
    .drawer-close{border:0;background:transparent;color:#7b8798;font-size:28px;cursor:pointer}
    .drawer-menu{padding:12px 20px 30px}
    .drawer-link,.drawer-toggle{width:100%;display:block;padding:14px 0;border:0;border-bottom:1px solid #edf0f4;background:none;text-align:left;color:#25334b;font-size:15px;cursor:pointer}
    .drawer-toggle:after{content:"+";float:right;color:var(--primary);font-size:19px}
    .drawer-toggle.active:after{content:"−"}
    .drawer-submenu{display:none;padding:5px 0 7px 15px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:8px 0;color:#69778c;font-size:13px}

    .tag-page{padding:50px 0 76px}
    .tag-hero{position:relative;overflow:hidden;padding:42px 48px;border-radius:24px;background:linear-gradient(135deg,#fff 0%,#f2f5fb 58%,#fcecf6 100%);border:1px solid #e8ebf2}
    .tag-hero:after{content:"";position:absolute;width:240px;height:240px;right:-70px;top:-80px;border-radius:50%;background:rgba(194,24,117,.09)}
    .eyebrow{position:relative;z-index:1;color:var(--magenta);font-size:13px;font-weight:800;letter-spacing:.12em}
    .tag-hero h1{position:relative;z-index:1;margin:9px 0 8px;font-size:clamp(28px,4vw,46px);line-height:1.2;color:#17233d}
    .tag-hero p{position:relative;z-index:1;margin:0;max-width:720px;color:var(--muted);font-size:15px}
    .tag-count{display:inline-flex;align-items:center;gap:8px;margin-top:20px;padding:7px 13px;border-radius:99px;background:#fff;color:var(--primary);font-size:13px;font-weight:700;box-shadow:0 6px 18px rgba(25,44,77,.07)}
    .tag-content{margin-top:30px}
    .section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}
    .section-heading h2{margin:0;font-size:24px;color:#17233d}
    .section-heading span{color:var(--muted);font-size:13px}
    .tag-article-list{display:grid;gap:16px}
    .tag-article-card{display:grid;grid-template-columns:250px 1fr;gap:22px;padding:16px;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:0 5px 18px rgba(30,44,70,.04);transition:.2s}
    .tag-article-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .tag-article-cover{height:170px;overflow:hidden;border-radius:12px;background:#edf1f6}
    .tag-article-cover img{width:100%;height:100%;object-fit:cover;transition:.3s}
    .tag-article-card:hover .tag-article-cover img{transform:scale(1.04)}
    .tag-article-body{min-width:0;display:flex;flex-direction:column;align-items:flex-start}
    .article-label{display:inline-block;margin-bottom:7px;padding:3px 9px;border-radius:5px;background:#fce8f2;color:var(--magenta);font-size:11px}
    .tag-article-body h3{margin:0 0 7px;font-size:20px;line-height:1.45;color:#1e2b43}
    .tag-article-body h3 a:hover{color:var(--primary)}
    .tag-article-summary{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;margin:0;color:#68758a;font-size:14px}
    .article-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:auto;padding-top:14px;color:#8994a4;font-size:12px}
    .article-meta span+span:before{content:"·";margin-right:12px;color:#c2c9d3}
    .article-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:11px;color:var(--primary);font-size:12px}
    .article-tags span{padding:3px 8px;border-radius:4px;background:#f0f4fa}
    .read-link{margin-top:12px;color:var(--primary);font-size:13px;font-weight:800}
    .read-link:hover{color:var(--magenta)}
    .pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:32px}
    .pagination a{min-width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;padding:0 10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:#5e6d82;font-size:13px}
    .pagination a:hover,.pagination a.active{background:var(--primary);border-color:var(--primary);color:#fff}

    .footer{background:#111d33;color:#b9c5d7;padding:48px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
    .footer strong{display:block;color:#fff;font-size:18px;margin-bottom:12px}
    .footer h3{margin:0 0 13px;color:#fff;font-size:15px}
    .footer p{margin:7px 0;font-size:13px;line-height:1.8}
    .footer-grid>div:not(.footer-brand) a{display:block;margin:7px 0;color:#b9c5d7;font-size:13px}
    .footer-grid a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:#8492a8}

    @media(max-width:980px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-btns{margin-left:auto}
      .mega-menu{width:min(680px,calc(100vw - 40px))}
    }
    @media(max-width:680px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{height:auto;min-height:38px;padding:7px 0;align-items:flex-start;gap:5px;flex-direction:column}
      .topbar-links{gap:12px}
      .header-inner{height:68px;gap:10px}
      .logo{min-width:0;font-size:16px}
      .logo img{width:31px;height:31px}
      .member-link{display:none}
      .tag-page{padding:25px 0 50px}
      .tag-hero{padding:30px 24px;border-radius:18px}
      .tag-hero h1{font-size:31px}
      .tag-article-card{grid-template-columns:1fr;gap:14px;padding:12px}
      .tag-article-cover{height:190px}
      .tag-article-body{padding:0 5px 7px}
      .tag-article-body h3{font-size:18px}
      .article-meta{margin-top:8px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px 18px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{flex-direction:column;gap:7px}
    }
    @media(max-width:420px){
      .open-account{display:none}
      .footer-grid{grid-template-columns:1fr}
    }