:root{
      --theme:#0B3D91;
      --theme-dark:#082b67;
      --magenta:#c21870;
      --ink:#172033;
      --muted:#667085;
      --line:#e5e9f0;
      --soft:#f4f6fa;
      --white:#fff;
      --shadow:0 16px 42px rgba(19,36,67,.09);
      --radius:16px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#f7f8fb;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.6}
    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{height:38px;background:#101b32;color:#dbe5f6;font-size:13px}
    .topbar-inner{height:38px;display:flex;align-items:center;justify-content:space-between}
    .topbar-contact{display:flex;gap:22px}
    .topbar a{color:#dbe5f6}

    .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:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-weight:800;color:var(--theme);font-size:18px}
    .logo img{width:34px;height:34px;object-fit:contain;border-radius:9px}
    .main-nav{margin-left:auto}
    .nav-list{display:flex;align-items:stretch;gap:4px;list-style:none;margin:0;padding:0}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;height:76px;padding:0 13px;font-size:14px;font-weight:600;color:#303b50;white-space:nowrap}
    .nav-link:hover,.nav-link.active{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:calc(100% + 1px);left:50%;transform:translateX(-50%);width:270px;background:#fff;border:1px solid var(--line);border-radius:0 0 15px 15px;box-shadow:var(--shadow);padding:18px;opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease}
    .mega-menu-wide{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;pointer-events:auto}
    .dropdown-panel:before,.mega-menu:before{content:"";position:absolute;left:0;right:0;top:-10px;height:10px}
    .dropdown-panel>a{display:block;padding:9px 10px;border-bottom:1px solid var(--line);font-size:13px}
    .dropdown-panel>a:last-child{color:var(--theme);font-weight:700;border-bottom:0}
    .mega-head{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:14px}
    .mega-head strong{font-size:16px}
    .mega-head span{color:var(--muted);font-size:12px}
    .mega-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
    .mega-card{display:flex;gap:9px;padding:9px;border:1px solid var(--line);border-radius:10px;min-width:0}
    .mega-card:hover{border-color:#a9bddf;background:#f7faff}
    .mega-card>img{width:38px;height:38px;object-fit:cover;border-radius:8px;background:#edf2fa;flex:none}
    .mega-card-body{min-width:0}
    .mega-card-body strong,.mega-card-body p,.mega-card-body small{display:block;overflow:hidden;text-overflow:ellipsis}
    .mega-card-body strong{font-size:12px;white-space:nowrap}
    .mega-card-body p{margin:2px 0;color:var(--muted);font-size:11px;white-space:nowrap}
    .mega-card-body small{color:#73809a;font-size:10px;white-space:nowrap}
    .mega-category-list{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:14px}
    .mega-category-list a{padding:4px 9px;background:#f1f5fb;border-radius:20px;font-size:11px;color:var(--theme)}
    .mega-footer{display:block;margin-top:14px;padding-top:12px;border-top:1px solid var(--line);color:var(--theme);font-size:13px;font-weight:700}

    .header-btns{display:flex;align-items:center;gap:13px}
    .member-entry{font-size:13px;color:var(--theme);font-weight:700}
    .account-entry{padding:8px 15px;border-radius:9px;background:var(--theme);color:#fff;font-size:13px;font-weight:700}
    .hamburger{display:none;border:0;background:transparent;padding:7px;cursor:pointer}
    .hamburger span{display:block;width:23px;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{display:none;position:fixed;inset:0;background:rgba(12,23,45,.5);z-index:40}
    .drawer-overlay.open{display:block}
    .mobile-drawer{position:fixed;right:0;top:0;bottom:0;width:min(390px,88vw);z-index:50;background:#fff;transform:translateX(100%);transition:.25s ease;overflow:auto;box-shadow:-15px 0 40px rgba(0,0,0,.15)}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:15px;padding:19px 20px;border-bottom:1px solid var(--line);color:var(--theme);font-weight:700}
    .drawer-head>a{margin-left:auto;padding:6px 12px;background:var(--theme);border-radius:7px;color:#fff;font-size:12px}
    .drawer-close{border:0;background:transparent;font-size:27px;line-height:1;cursor:pointer;color:#667085}
    .drawer-menu{padding:12px 20px 28px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 2px;border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left;font-size:15px;color:var(--ink);cursor:pointer}
    .drawer-toggle:after{content:"+";float:right;color:var(--theme);font-size:19px}
    .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:8px 0;color:var(--muted);font-size:13px}

    .tag-page{padding:54px 0 78px;background:linear-gradient(180deg,#fff 0,#f7f8fb 38%,#f7f8fb 100%)}
    .tag-hero{text-align:center;max-width:760px;margin:0 auto 35px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:30px;background:#f9e9f2;color:var(--magenta);font-size:12px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--magenta)}
    .tag-hero h1{margin:17px 0 10px;color:#15213a;font-size:clamp(30px,5vw,50px);line-height:1.16;letter-spacing:-.03em}
    .tag-hero p{margin:0 auto;color:var(--muted);font-size:15px}
    .tag-meta{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:19px}
    .tag-meta span{padding:6px 12px;background:#fff;border:1px solid var(--line);border-radius:20px;color:#59667d;font-size:12px}
    .tag-meta strong{color:var(--theme)}
    .tag-filter{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:0 auto 23px;padding:17px 20px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 5px 18px rgba(19,36,67,.04)}
    .tag-filter strong{font-size:15px}
    .tag-filter span{color:var(--muted);font-size:13px}
    .tag-article-list{display:grid;gap:18px}
    .tag-article-card{display:grid;grid-template-columns:260px minmax(0,1fr);gap:22px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 6px 20px rgba(19,36,67,.04);transition:.2s ease}
    .tag-article-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#b9c9e4}
    .tag-article-cover{height:185px;overflow:hidden;border-radius:11px;background:#e9eef6}
    .tag-article-cover img{width:100%;height:100%;object-fit:cover;transition:.3s ease}
    .tag-article-card:hover .tag-article-cover img{transform:scale(1.04)}
    .tag-article-body{min-width:0;padding:3px 7px 3px 0}
    .article-label{display:inline-block;margin-bottom:8px;color:var(--magenta);font-size:12px;font-weight:800}
    .tag-article-body h2{margin:0 0 8px;font-size:21px;line-height:1.35}
    .tag-article-body h2 a:hover{color:var(--theme)}
    .tag-article-summary{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:0 0 13px;color:#667085;font-size:14px}
    .article-info{display:flex;align-items:center;flex-wrap:wrap;gap:7px 15px;color:#8993a5;font-size:12px}
    .article-info span{white-space:nowrap}
    .article-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:13px}
    .article-tags span{padding:3px 8px;background:#f1f4f9;border-radius:5px;color:#65738a;font-size:11px}
    .read-link{display:inline-flex;margin-top:13px;color:var(--theme);font-size:13px;font-weight:800}
    .read-link:after{content:"→";margin-left:6px}
    .pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:34px}
    .pagination a{min-width:35px;padding:7px 11px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:8px;color:#59667d;font-size:13px}
    .pagination a:hover,.pagination a.active{background:var(--theme);border-color:var(--theme);color:#fff}
    .tag-empty{padding:50px;background:#fff;border:1px solid var(--line);border-radius:16px;text-align:center;color:var(--muted)}

    .footer{background:#101b32;color:#cbd5e6}
    .footer-main{display:grid;grid-template-columns:1.45fr 1fr 1fr 1fr;gap:42px;padding:54px 0 42px}
    .footer .logo{color:#fff}
    .footer .logo img{background:#fff}
    .footer-brand p{max-width:330px;margin:17px 0;color:#9eabc0;font-size:13px}
    .footer-social{color:#dce7f7;font-size:13px}
    .footer-column h3{margin:4px 0 15px;color:#fff;font-size:15px}
    .footer-links{display:grid;gap:9px}
    .footer-links a,.footer-contact{color:#9eabc0;font-size:13px}
    .footer-links a:hover,.footer-contact a:hover{color:#fff}
    .footer-contact{display:grid;gap:12px}
    .footer-contact span{color:#71809a;font-size:12px}
    .footer-contact a{color:#cbd5e6}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-top:1px solid rgba(255,255,255,.1);color:#71809a;font-size:12px}

    @media (max-width:980px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-inner{justify-content:space-between}
      .header-btns{margin-left:auto}
      .footer-main{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:640px){
      .container{width:min(100% - 28px,1180px)}
      .topbar{height:auto}
      .topbar-inner{height:auto;min-height:38px;gap:10px;padding:7px 0}
      .topbar-contact{gap:10px;flex-wrap:wrap;justify-content:flex-end;font-size:11px}
      .topbar-inner>span{font-size:11px}
      .header-inner{height:66px}
      .logo{font-size:16px}
      .logo img{width:30px;height:30px}
      .member-entry{display:none}
      .account-entry{padding:7px 10px;font-size:12px}
      .tag-page{padding:38px 0 58px}
      .tag-hero{margin-bottom:27px}
      .tag-hero h1{font-size:34px}
      .tag-filter{align-items:flex-start;flex-direction:column;gap:4px;padding:15px}
      .tag-article-card{grid-template-columns:1fr;gap:14px;padding:12px}
      .tag-article-cover{height:190px}
      .tag-article-body{padding:0 3px 5px}
      .tag-article-body h2{font-size:19px}
      .footer-main{grid-template-columns:1fr;gap:26px;padding:38px 0 30px}
      .footer-bottom{align-items:flex-start;flex-direction:column;gap:7px}
    }