:root{
      --theme:#0B3D91;
      --theme-dark:#082b68;
      --theme-light:#eaf1fb;
      --ink:#172033;
      --muted:#68748a;
      --line:#dfe6ef;
      --paper:#f7f9fc;
      --white:#fff;
      --shadow:0 16px 45px rgba(16,42,79,.09);
      --radius:16px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      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{
      color:#dbe8fb;
      background:#071a3c;
      font-size:13px;
    }
    .topbar-inner{
      min-height:36px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .topbar-contact{display:flex;gap:22px}
    .topbar a{color:#dbe8fb}
    .topbar a:hover{color:#fff}

    .header{
      position:relative;
      z-index:20;
      background:#fff;
      border-bottom:1px solid var(--line);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:30px;
    }
    .logo{
      display:inline-flex;
      flex:0 0 auto;
      align-items:center;
      gap:10px;
      color:var(--theme-dark);
      font-size:19px;
      font-weight:800;
      white-space:nowrap;
    }
    .logo img{
      width:38px;
      height:38px;
      object-fit:contain;
    }
    .main-nav{margin-left:auto}
    .nav-list{
      display:flex;
      align-items:center;
      gap:4px;
      list-style:none;
      padding:0;
      margin:0;
    }
    .nav-item{position:relative}
    .nav-link{
      display:flex;
      align-items:center;
      min-height:78px;
      padding:0 14px;
      color:#27344b;
      font-size:15px;
      font-weight:600;
      white-space:nowrap;
    }
    .nav-link:hover{color:var(--theme)}
    .has-arrow:after{
      content:"";
      width:6px;
      height:6px;
      margin:0 0 3px 8px;
      border-right:1px solid currentColor;
      border-bottom:1px solid currentColor;
      transform:rotate(45deg);
    }
    .dropdown-panel,.mega-menu{
      position:absolute;
      top:calc(100% - 1px);
      left:50%;
      display:none;
      width:290px;
      padding:18px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 14px 14px;
      box-shadow:var(--shadow);
      transform:translateX(-50%);
    }
    .mega-menu{width:760px;padding:22px}
    .nav-item:hover>.dropdown-panel,
    .nav-item:focus-within>.dropdown-panel,
    .nav-item:hover>.mega-menu,
    .nav-item:focus-within>.mega-menu{display:block}
    .dropdown-panel:before,.mega-menu:before{
      content:"";
      position:absolute;
      top:-12px;
      left:0;
      right:0;
      height:12px;
    }
    .dropdown-panel>a:not(.dropdown-footer){
      display:block;
      padding:9px 5px;
      border-bottom:1px solid #edf1f5;
      font-size:14px;
    }
    .dropdown-panel>a:hover{color:var(--theme);padding-left:10px}
    .dropdown-footer,.mega-footer{
      display:block;
      margin-top:13px;
      color:var(--theme);
      font-size:13px;
      font-weight:700;
    }
    .mega-title-row{
      display:flex;
      align-items:baseline;
      justify-content:space-between;
      gap:15px;
      margin-bottom:15px;
    }
    .mega-title-row strong{font-size:17px;color:var(--theme-dark)}
    .mega-title-row span{color:var(--muted);font-size:12px}
    .mega-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
    }
    .mega-card{
      min-width:0;
      padding:12px;
      border:1px solid #e7edf5;
      border-radius:11px;
      background:#fbfcfe;
      transition:.2s ease;
    }
    .mega-card:hover{
      border-color:#a6c0e4;
      transform:translateY(-2px);
      box-shadow:0 7px 18px rgba(11,61,145,.08);
    }
    .mega-card-head{display:flex;align-items:center;gap:9px}
    .mega-card-head img{
      width:30px;height:30px;object-fit:contain;border-radius:6px;
    }
    .mega-card strong{display:block;font-size:13px}
    .mega-card p{
      margin:7px 0 0;
      color:var(--muted);
      font-size:12px;
      line-height:1.5;
    }
    .rating{display:block;color:#e29a28;font-size:11px}
    .mega-meta{
      display:flex;
      flex-wrap:wrap;
      gap:7px;
      margin-top:9px;
      color:#68778b;
      font-size:11px;
    }
    .video-card>img,.product-card>img{
      width:100%;
      height:68px;
      object-fit:cover;
      border-radius:7px;
      margin-bottom:8px;
    }
    .category-links{
      display:flex;
      flex-wrap:wrap;
      gap:7px;
      margin-bottom:14px;
    }
    .category-links a{
      padding:4px 9px;
      color:var(--theme);
      background:var(--theme-light);
      border-radius:20px;
      font-size:12px;
    }
    .header-btns{
      display:flex;
      align-items:center;
      gap:12px;
      white-space:nowrap;
    }
    .member-entry{
      color:var(--theme);
      font-size:14px;
      font-weight:700;
    }
    .account-entry{
      padding:8px 15px;
      color:#fff;
      background:var(--theme);
      border-radius:7px;
      font-size:13px;
      font-weight:700;
    }
    .account-entry:hover{background:var(--theme-dark)}
    .hamburger{
      display:none;
      width:42px;
      height:42px;
      padding:9px;
      border:1px solid var(--line);
      border-radius:8px;
      background:#fff;
      cursor:pointer;
    }
    .hamburger span{
      display:block;
      width:22px;
      height:2px;
      margin:4px auto;
      background:var(--theme-dark);
      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;
      z-index:80;
      display:none;
      background:rgba(5,18,42,.55);
    }
    .drawer-overlay.open{display:block}
    .mobile-drawer{
      position:fixed;
      top:0;
      right:0;
      bottom:0;
      z-index:90;
      width:min(390px,88vw);
      overflow-y:auto;
      background:#fff;
      box-shadow:-12px 0 35px rgba(5,22,50,.2);
      transform:translateX(105%);
      transition:transform .25s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      display:flex;
      align-items:center;
      gap:14px;
      min-height:70px;
      padding:15px 20px;
      color:#fff;
      background:var(--theme-dark);
      font-weight:700;
    }
    .drawer-head>a{margin-left:auto;color:#fff}
    .drawer-close{
      width:32px;height:32px;
      border:1px solid rgba(255,255,255,.45);
      border-radius:50%;
      color:#fff;background:transparent;
      cursor:pointer;font-size:22px;line-height:1;
    }
    .drawer-menu{padding:15px 20px 30px}
    .drawer-link,.drawer-toggle{
      display:block;
      width:100%;
      padding:13px 0;
      border:0;
      border-bottom:1px solid #edf0f5;
      color:var(--ink);
      background:none;
      text-align:left;
      cursor:pointer;
      font-size:15px;
      font-weight:600;
    }
    .drawer-toggle:after{
      content:"+";
      float:right;
      color:var(--theme);
      font-size:20px;
      line-height:1;
    }
    .drawer-toggle.active:after{content:"−"}
    .drawer-submenu{
      display:none;
      padding:5px 0 8px 14px;
      border-bottom:1px solid #edf0f5;
    }
    .drawer-submenu.open{display:block}
    .drawer-submenu a{
      display:block;
      padding:7px 0;
      color:var(--muted);
      font-size:14px;
    }
    .drawer-submenu a:hover{color:var(--theme)}

    .tag-index-page{
      min-height:520px;
      padding:70px 0 100px;
      background:
        radial-gradient(circle at 10% 10%,rgba(11,61,145,.08),transparent 28%),
        linear-gradient(180deg,#f7faff 0%,#f7f9fc 100%);
    }
    .tag-hero{
      max-width:760px;
      margin:0 auto 38px;
      text-align:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:13px;
      color:var(--theme);
      font-size:13px;
      font-weight:800;
      letter-spacing:.16em;
    }
    .eyebrow:before,.eyebrow:after{
      content:"";
      width:24px;
      height:1px;
      background:#9db5d8;
    }
    .tag-hero h1{
      margin:0;
      color:#10244a;
      font-size:clamp(32px,5vw,54px);
      line-height:1.2;
      letter-spacing:-.04em;
    }
    .tag-hero p{
      max-width:630px;
      margin:17px auto 0;
      color:var(--muted);
      font-size:16px;
    }
    .tag-cloud-panel{
      padding:34px;
      border:1px solid #e1e9f3;
      border-radius:22px;
      background:#fff;
      box-shadow:var(--shadow);
    }
    .panel-heading{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:15px;
      padding-bottom:19px;
      border-bottom:1px solid var(--line);
    }
    .panel-heading h2{
      margin:0;
      color:#132d5c;
      font-size:22px;
    }
    .panel-heading span{
      color:var(--muted);
      font-size:13px;
    }
    .tag-cloud{
      display:flex;
      align-items:center;
      justify-content:center;
      flex-wrap:wrap;
      gap:13px 15px;
      padding:38px 18px 26px;
    }
    .tag-cloud a{
      display:inline-flex;
      align-items:center;
      min-height:42px;
      padding:7px 17px;
      border:1px solid #ccdaec;
      border-radius:30px;
      color:#27518a;
      background:#f5f8fd;
      font-size:14px;
      transition:.2s ease;
    }
    .tag-cloud a:nth-child(3n){font-size:18px;color:var(--theme-dark);background:#eaf2ff}
    .tag-cloud a:nth-child(4n){font-size:15px;color:#176d72;background:#effafa;border-color:#c9e8e8}
    .tag-cloud a:nth-child(5n){font-size:20px;font-weight:700;color:#fff;background:var(--theme)}
    .tag-cloud a:hover{
      color:#fff;
      background:var(--theme-dark);
      border-color:var(--theme-dark);
      transform:translateY(-3px);
      box-shadow:0 8px 17px rgba(11,61,145,.2);
    }
    .tag-index-note{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:15px;
      margin-top:20px;
    }
    .tag-index-note div{
      padding:18px;
      border-radius:13px;
      background:#f6f9fd;
    }
    .tag-index-note strong{display:block;color:var(--theme-dark);font-size:15px}
    .tag-index-note span{display:block;margin-top:4px;color:var(--muted);font-size:13px}

    .footer{
      padding:56px 0 20px;
      color:#c8d4e7;
      background:#081b3d;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.5fr 1fr 1fr 1.15fr;
      gap:40px;
    }
    .footer .logo{color:#fff}
    .footer h3{
      margin:2px 0 15px;
      color:#fff;
      font-size:15px;
    }
    .footer-brand p{
      max-width:310px;
      margin:18px 0 0;
      color:#aebed6;
      font-size:13px;
      line-height:1.8;
    }
    .footer-links,.footer-contact{
      display:flex;
      flex-direction:column;
      align-items:flex-start;
      gap:8px;
      color:#aebed6;
      font-size:13px;
    }
    .footer a:hover{color:#fff}
    .social-entry{margin-top:7px;color:#8db7f0!important}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:25px;
      margin-top:42px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.13);
      color:#8fa3c1;
      font-size:12px;
    }
    .risk-note{max-width:600px;text-align:right}

    @media (max-width:1050px){
      .header-inner{gap:15px}
      .main-nav{margin-left:auto}
      .nav-link{padding:0 8px;font-size:14px}
      .member-entry{display:none}
      .mega-menu{width:690px}
    }
    @media (max-width:800px){
      .container{width:min(100% - 30px,620px)}
      .topbar-inner{min-height:42px;align-items:flex-start;flex-direction:column;justify-content:center;gap:0}
      .topbar-contact{display:none}
      .header-inner{min-height:68px}
      .main-nav{display:none}
      .header-btns{margin-left:auto}
      .hamburger{display:block}
      .account-entry{padding:7px 12px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-bottom{flex-direction:column;gap:8px}
      .risk-note{text-align:left}
      .tag-index-page{padding:50px 0 70px}
      .tag-cloud-panel{padding:22px 16px}
      .panel-heading{align-items:flex-start;flex-direction:column;gap:4px}
      .tag-cloud{padding:28px 2px 18px;gap:10px}
      .tag-cloud a:nth-child(5n){font-size:17px}
      .tag-index-note{grid-template-columns:1fr}
    }
    @media (max-width:480px){
      .logo span{max-width:145px;overflow:hidden;text-overflow:ellipsis}
      .footer-grid{grid-template-columns:1fr}
      .tag-hero h1{font-size:34px}
      .tag-hero p{font-size:14px}
      .tag-cloud a{padding:6px 12px;font-size:13px}
      .tag-cloud a:nth-child(3n),.tag-cloud a:nth-child(4n){font-size:14px}
      .tag-cloud a:nth-child(5n){font-size:16px}
    }
    body.drawer-locked{overflow:hidden}