:root{
      --theme:#0B3D91;
      --ink:#182438;
      --muted:#68758a;
      --line:#dfe5ee;
      --paper:#f7f9fc;
      --white:#fff;
      --shadow:0 12px 36px rgba(20,45,84,.09);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#f4f7fb;font-family:"Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.65}
    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:#102746;color:#d9e5f6;font-size:13px}
    .topbar .container{height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar a{color:#fff}
    .header{position:relative;z-index:30;background:#fff;border-bottom:1px solid var(--line)}
    .header-inner{height:76px;display:flex;align-items:center;gap:34px}
    .logo{display:flex;align-items:center;gap:10px;color:var(--theme);font-size:20px;font-weight:800;white-space:nowrap}
    .logo img{width:34px;height:34px;object-fit:contain}
    .main-nav{flex:1}
    .nav-list{display:flex;align-items:stretch;justify-content:center;gap:4px;margin:0;padding:0;list-style:none}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;height:76px;padding:0 14px;color:#35445b;font-size:15px;white-space:nowrap}
    .nav-link:hover,.nav-link:focus{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:100%;left:50%;width:300px;padding:20px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translate(-50%,8px);transition:.2s;z-index:20}
    .mega-menu{width:620px}
    .nav-item:after{content:"";position:absolute;left:0;right:0;top:100%;height:12px}
    .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:translate(-50%,0)}
    .menu-title{margin:0 0 12px;color:var(--theme);font-size:14px;font-weight:800}
    .menu-list{display:grid;gap:8px}
    .menu-list a{display:block;padding:5px 0;color:#48566b;font-size:14px;border-bottom:1px solid #edf0f5}
    .menu-list a:hover{color:var(--theme)}
    .mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
    .mega-card{min-width:0;padding:12px;background:#f7f9fc;border:1px solid #e8edf4;font-size:13px}
    .mega-card:hover{border-color:#9eb3d7;background:#eef4fc}
    .mega-card img{width:30px;height:30px;object-fit:contain;margin-bottom:7px}
    .mega-card b{font-size:13px}
    .mega-card small{color:var(--muted);line-height:1.5}
    .mega-footer{display:block;margin-top:16px;padding-top:12px;border-top:1px solid var(--line);color:var(--theme);font-weight:700;font-size:13px}
    .header-btns{display:flex;align-items:center;gap:10px;white-space:nowrap}
    .member,.open-account{display:inline-flex;align-items:center;justify-content:center;height:36px;padding:0 14px;border:1px solid var(--theme);font-size:13px}
    .member{color:var(--theme)}
    .open-account{color:#fff;background:var(--theme)}
    .hamburger{display:none;width:40px;height:40px;padding:8px;border:1px solid var(--line);background:#fff;cursor:pointer}
    .hamburger span{display:block;width:21px;height:2px;margin:4px auto;background:var(--theme);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{display:none;position:fixed;inset:0;background:rgba(10,27,52,.48);z-index:50}
    .drawer-overlay.open{display:block}
    .mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(360px,88vw);padding:20px;background:#fff;box-shadow:-14px 0 40px rgba(0,0,0,.16);transform:translateX(100%);transition:.25s;z-index:51;overflow:auto}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:10px;padding-bottom:18px;border-bottom:1px solid var(--line);font-weight:800}
    .drawer-head span{flex:1}
    .drawer-head a{padding:6px 12px;background:var(--theme);color:#fff;font-size:13px}
    .drawer-close{width:32px;height:32px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:22px;line-height:1;cursor:pointer}
    .drawer-menu{padding:12px 0}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid #edf0f5;background:none;color:var(--ink);text-align:left;font-size:15px;cursor:pointer}
    .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:4px 0 8px 16px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:8px 0;color:var(--muted);font-size:14px}

    .tag-index-page{min-height:620px;padding:72px 0 92px;background:linear-gradient(180deg,#f7f9fc 0%,#fff 100%)}
    .tag-index-head{text-align:center;max-width:720px;margin:0 auto 42px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 12px;color:var(--theme);font-size:13px;font-weight:800;letter-spacing:2px}
    .eyebrow:before,.eyebrow:after{content:"";width:28px;height:1px;background:#9eb3d7}
    .tag-index-head h1{margin:0;color:#172944;font-size:clamp(30px,5vw,48px);line-height:1.2;letter-spacing:0}
    .tag-index-head p{margin:17px 0 0;color:var(--muted);font-size:16px}
    .tag-cloud-panel{padding:38px 42px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
    .tag-cloud{display:flex;align-items:center;justify-content:center;gap:13px 15px;flex-wrap:wrap}
    .tag-cloud a{display:inline-flex;align-items:center;min-height:42px;padding:7px 17px;border:1px solid #cbd7e8;color:#38516f;background:#fbfcfe;font-size:14px;transition:.2s}
    .tag-cloud a:nth-child(3n){font-size:17px;color:var(--theme);border-color:#9eb3d7}
    .tag-cloud a:nth-child(5n){font-size:15px;background:#eef4fc}
    .tag-cloud a:hover{background:var(--theme);border-color:var(--theme);color:#fff;transform:translateY(-2px)}
    .tag-index-note{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:30px;padding:20px 24px;background:#f1f5fa;border-left:4px solid var(--theme)}
    .tag-index-note strong{font-size:16px}
    .tag-index-note span{color:var(--muted);font-size:14px}
    .tag-index-note a{color:var(--theme);font-weight:700;white-space:nowrap}

    .footer{padding:52px 0 22px;background:#102746;color:#dce6f4}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
    .footer h3{margin:0 0 15px;color:#fff;font-size:16px}
    .footer p{margin:0 0 12px;color:#aebed4;font-size:13px}
    .footer a{display:block;margin:8px 0;color:#b9c9dd;font-size:13px}
    .footer a:hover{color:#fff}
    .footer-bottom{margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.16);color:#9eb0c7;font-size:12px}

    @media (max-width:900px){
      .main-nav{display:none}
      .header-btns .member,.header-btns .open-account{display:none}
      .hamburger{display:block}
      .header-inner{height:68px;justify-content:space-between}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:640px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{height:auto;min-height:38px;padding:8px 0;align-items:flex-start;flex-direction:column;gap:2px}
      .tag-index-page{padding:50px 0 66px}
      .tag-cloud-panel{padding:25px 17px}
      .tag-cloud{gap:10px}
      .tag-cloud a{padding:6px 12px;font-size:13px}
      .tag-cloud a:nth-child(3n){font-size:15px}
      .tag-index-note{align-items:flex-start;flex-direction:column;padding:17px}
      .footer-grid{grid-template-columns:1fr;gap:24px}
    }