:root{
      --theme:#0B3D91;
      --theme-dark:#082d69;
      --ink:#172235;
      --muted:#667085;
      --line:#dfe5ee;
      --soft:#f3f6fa;
      --white:#fff;
      --accent:#c8953e;
      --shadow:0 16px 40px rgba(15,35,65,.10);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#f7f9fc;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;height:auto}
    button{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}

    .topbar{background:#10233f;color:#d9e3f1;font-size:13px}
    .topbar .container{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar-info{display:flex;gap:20px}
    .topbar a{color:#e8eef7}

    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
    .header-inner{min-height:76px;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:10px;min-width:190px;font-size:19px;font-weight:800;color:var(--theme)}
    .logo img{width:36px;height:36px;object-fit:contain}
    .main-nav{flex:1}
    .nav-list{display:flex;align-items:stretch;justify-content:center;gap:4px;padding:0;margin:0;list-style:none}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:6px;padding:26px 13px;color:#26364e;font-size:15px;white-space:nowrap}
    .nav-link:hover,.nav-link:focus-visible{color:var(--theme)}
    .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:100%;left:50%;transform:translateX(-50%);width:310px;padding:22px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease}
    .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;pointer-events:auto}
    .mega-heading{margin:0 0 12px;color:var(--theme);font-size:14px;font-weight:800}
    .mega-list,.broker-mini,.video-mini,.product-mini{display:grid;gap:8px}
    .mega-list a,.broker-mini a,.video-mini a,.product-mini a{display:block;padding:8px 10px;border-radius:5px;background:#f5f7fa;font-size:13px}
    .mega-list a:hover,.broker-mini a:hover,.video-mini a:hover,.product-mini a:hover{background:#e9f0fa;color:var(--theme)}
    .mega-list img{width:20px;height:20px;vertical-align:middle;object-fit:contain}
    .mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
    .mega-menu p{font-size:13px;color:var(--muted);margin:0 0 14px}
    .mega-footer{display:inline-flex;margin-top:16px;color:var(--theme);font-size:13px;font-weight:700}
    .header-btns{display:flex;align-items:center;gap:10px;white-space:nowrap}
    .member-btn,.open-btn{display:inline-flex;align-items:center;justify-content:center;padding:9px 13px;border-radius:4px;font-size:13px}
    .member-btn{border:1px solid var(--line);color:var(--theme)}
    .open-btn{background:var(--theme);color:#fff}
    .hamburger{display:none;width:42px;height:40px;padding:9px;border:1px solid var(--line);background:#fff;border-radius:4px;cursor:pointer}
    .hamburger span{display:block;height:2px;margin:5px 0;background:var(--theme);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(11,28,51,.48);opacity:0;visibility:hidden;z-index:30;transition:.2s}
    .drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(390px,88vw);background:#fff;z-index:31;transform:translateX(100%);transition:.25s ease;overflow:auto}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:12px;padding:19px 20px;border-bottom:1px solid var(--line);font-weight:800;color:var(--theme)}
    .drawer-head span{flex:1}
    .drawer-head a{padding:6px 10px;background:var(--theme);color:#fff;border-radius:4px;font-size:13px}
    .drawer-close{border:0;background:transparent;color:#536174;font-size:28px;line-height:1;cursor:pointer}
    .drawer-menu{padding:12px 20px 28px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid #edf0f4;background:transparent;text-align:left;color:var(--ink);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:5px 0 8px 15px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:8px 0;color:var(--muted);font-size:14px}

    .tag-page{padding:54px 0 80px}
    .tag-hero{position:relative;overflow:hidden;padding:42px 46px;background:linear-gradient(135deg,#0b3d91,#1b5ba5);color:#fff;border-radius:8px;box-shadow:var(--shadow)}
    .tag-hero:after{content:"";position:absolute;right:-90px;top:-120px;width:360px;height:360px;border:1px solid rgba(255,255,255,.22);border-radius:50%;box-shadow:0 0 0 28px rgba(255,255,255,.05),0 0 0 58px rgba(255,255,255,.04)}
    .tag-kicker{position:relative;z-index:1;margin:0 0 8px;color:#bfd5f2;font-size:13px;letter-spacing:1px}
    .tag-hero h1{position:relative;z-index:1;margin:0;font-size:clamp(28px,4vw,46px);line-height:1.25}
    .tag-hero p{position:relative;z-index:1;max-width:680px;margin:13px 0 0;color:#e1ebf8}
    .tag-count{position:absolute;right:46px;bottom:38px;z-index:1;padding:8px 14px;border:1px solid rgba(255,255,255,.35);border-radius:20px;color:#fff;font-size:13px}
    .tag-content{margin-top:32px}
    .tag-section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}
    .tag-section-head h2{margin:0;font-size:24px}
    .tag-section-head p{margin:0;color:var(--muted);font-size:14px}
    .tag-article-list{display:grid;gap:18px}
    .tag-article-card{display:grid;grid-template-columns:250px 1fr;gap:24px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:7px;box-shadow:0 6px 18px rgba(15,35,65,.04)}
    .tag-article-cover{aspect-ratio:16/10;overflow:hidden;background:#e8edf4;border-radius:5px}
    .tag-article-cover img{width:100%;height:100%;object-fit:cover}
    .tag-article-body{min-width:0}
    .tag-article-label{display:inline-block;margin-bottom:7px;color:var(--theme);font-size:12px;font-weight:700}
    .tag-article-title{margin:0 0 8px;font-size:20px;line-height:1.45}
    .tag-article-title a:hover{color:var(--theme)}
    .tag-article-summary{display:-webkit-box;overflow:hidden;margin:0 0 13px;color:var(--muted);-webkit-box-orient:vertical;-webkit-line-clamp:3}
    .tag-article-meta{display:flex;flex-wrap:wrap;gap:8px 18px;margin-bottom:12px;color:#788598;font-size:12px}
    .tag-article-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px;color:#657286;font-size:12px}
    .tag-article-tags a{padding:3px 8px;background:#f0f4f9;border-radius:3px}
    .tag-read{display:inline-flex;align-items:center;gap:7px;color:var(--theme);font-size:13px;font-weight:800}
    .tag-read:after{content:"→";font-size:17px}
    .pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:32px}
    .pagination a{min-width:36px;padding:7px 11px;border:1px solid var(--line);border-radius:4px;background:#fff;text-align:center;color:#536174;font-size:13px}
    .pagination a:hover,.pagination a.active{background:var(--theme);border-color:var(--theme);color:#fff}

    .footer{padding:52px 0 0;background:#10233f;color:#d4dfed}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:35px;padding-bottom:38px}
    .footer-brand{margin-bottom:12px;color:#fff;font-size:20px;font-weight:800}
    .footer p{margin:0 0 8px;color:#aebed1;font-size:13px}
    .footer h3{margin:0 0 15px;color:#fff;font-size:15px}
    .footer-grid a{display:block;margin:0 0 8px;color:#b9c8d9;font-size:13px}
    .footer-grid a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:17px 0;border-top:1px solid rgba(255,255,255,.14);color:#9fb0c5;font-size:12px}

    @media (max-width:960px){
      .main-nav{display:none}
      .header-btns .member-btn,.header-btns .open-btn{display:none}
      .hamburger{display:block}
      .header-inner{justify-content:space-between}
      .tag-article-card{grid-template-columns:210px 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:640px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{align-items:flex-start;flex-direction:column;gap:2px;padding:7px 0}
      .topbar-info{gap:12px;flex-wrap:wrap}
      .header-inner{min-height:66px}
      .logo{min-width:0;font-size:16px}
      .logo img{width:31px;height:31px}
      .tag-page{padding:28px 0 54px}
      .tag-hero{padding:30px 24px 72px}
      .tag-hero h1{font-size:31px}
      .tag-count{right:24px;bottom:25px}
      .tag-section-head{display:block}
      .tag-section-head p{margin-top:5px}
      .tag-article-card{display:block;padding:13px}
      .tag-article-cover{margin-bottom:15px}
      .tag-article-title{font-size:18px}
      .footer-grid{grid-template-columns:1fr;gap:24px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:5px}
    }