:root{
      --theme:#0B3D91;
      --theme-dark:#082b67;
      --ink:#172033;
      --muted:#6b7280;
      --line:#e5e9f0;
      --soft:#f5f7fb;
      --white:#fff;
      --shadow:0 16px 45px rgba(20,40,80,.09);
      --radius:16px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#fff;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.7}
    body.drawer-locked{overflow:hidden}
    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:#f3f6fb;color:#627087;font-size:13px;border-bottom:1px solid #e7ebf2}
    .topbar-inner{height:100%;display:flex;align-items:center;justify-content:space-between}
    .topbar-contact{display:flex;align-items:center;gap:12px}
    .topbar a:hover{color:var(--theme)}

    .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:28px}
    .logo{display:inline-flex;align-items:center;gap:10px;min-width:max-content;color:var(--theme);font-size:19px;font-weight:800}
    .logo img{width:38px;height:38px;object-fit:contain}
    .main-nav{flex:1}
    .nav-list{display:flex;justify-content:center;align-items:stretch;gap:3px;list-style:none;padding:0;margin:0}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:5px;padding:27px 14px;color:#29354a;font-size:14px;white-space:nowrap}
    .nav-link:hover,.nav-link:focus{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: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 14px 14px;box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease}
    .mega-menu{width:700px}
    .mega-brokers{width:820px}
    .mega-videos,.mega-products{width:900px}
    .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;transform:translateX(-50%) translateY(0)}
    .dropdown-panel:before,.mega-menu:before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
    .dropdown-title,.mega-title{margin:0 0 13px;color:var(--theme);font-size:14px;font-weight:800}
    .dropdown-articles{display:grid;gap:8px}
    .dropdown-articles a{font-size:13px;color:#3e4a5d;padding:7px 0;border-bottom:1px solid #eef1f5}
    .dropdown-articles a:hover{color:var(--theme)}
    .dropdown-more,.mega-footer{display:inline-flex;margin-top:15px;color:var(--theme);font-size:13px;font-weight:700}
    .mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .mega-card{display:block;padding:12px;border:1px solid #e8edf4;border-radius:10px;background:#fbfcfe;transition:.2s}
    .mega-card:hover{border-color:#9db3d8;transform:translateY(-2px)}
    .mega-card-logo{display:flex;align-items:center;gap:8px;min-height:30px}
    .mega-card-logo img{width:28px;height:28px;object-fit:contain}
    .mega-card strong,.mega-video-title,.mega-product-title{display:block;font-size:13px;color:#24314a}
    .mega-card p{font-size:12px;line-height:1.5;color:#738096;margin:8px 0 0}
    .mega-card-meta{display:flex;flex-wrap:wrap;gap:7px;color:#778398;font-size:11px;margin-top:8px}
    .mega-video-cover,.mega-product-cover{width:100%;height:78px;border-radius:7px;object-fit:cover;margin-bottom:8px}
    .mega-tool-icon{width:30px!important;height:30px!important}
    .mega-layout{display:grid;grid-template-columns:150px 1fr;gap:18px}
    .mega-categories{border-right:1px solid var(--line);padding-right:15px}
    .mega-categories a{display:block;padding:5px 0;color:#526078;font-size:12px}
    .mega-categories a:hover{color:var(--theme)}

    .header-btns{display:flex;align-items:center;gap:10px;min-width:max-content}
    .header-member{color:var(--theme);font-size:13px;font-weight:700}
    .header-open{padding:9px 15px;color:#fff;background:var(--theme);border-radius:7px;font-size:13px}
    .header-open:hover{background:var(--theme-dark)}
    .hamburger{display:none;width:40px;height:40px;padding:9px;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer}
    .hamburger span{display:block;height:2px;margin:5px 0;background:var(--theme);transition:.2s}
    .hamburger.active span:first-child{transform:translateY(7px) rotate(45deg)}
    .hamburger.active span:nth-child(2){opacity:0}
    .hamburger.active span:last-child{transform:translateY(-7px) rotate(-45deg)}

    .drawer-overlay{position:fixed;inset:0;background:rgba(9,22,47,.45);opacity:0;visibility:hidden;z-index:40;transition:.25s}
    .drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(380px,88vw);background:#fff;z-index:41;transform:translateX(100%);transition:.28s;overflow:auto;box-shadow:-15px 0 35px rgba(0,0,0,.15)}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:15px;padding: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);color:#fff;border-radius:6px;font-size:13px}
    .drawer-close{border:0;background:transparent;color:#667085;font-size:28px;line-height:1;cursor:pointer}
    .drawer-menu{padding:12px 20px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 0;text-align:left;border:0;border-bottom:1px solid #edf0f4;background:transparent;color:#253249;font-size:15px;cursor:pointer}
    .drawer-toggle:after{content:"+";float:right;color:var(--theme);font-size:20px}
    .drawer-toggle.active:after{content:"−"}
    .drawer-submenu{display:none;padding:6px 0 7px 14px;background:#f8fafe}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:8px 0;color:#607089;font-size:13px}

    .tag-page{padding:62px 0 86px;background:linear-gradient(180deg,#f7f9fd 0,#fff 42%)}
    .tag-heading{text-align:center;max-width:760px;margin:0 auto 38px}
    .tag-eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--theme);font-size:13px;font-weight:700;letter-spacing:.08em}
    .tag-eyebrow:before{content:"";width:24px;height:2px;background:var(--theme)}
    .tag-heading h1{margin:13px 0 10px;font-size:clamp(28px,4vw,44px);line-height:1.25;color:#172945}
    .tag-heading p{margin:0;color:var(--muted);font-size:15px}
    .tag-summary{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px;padding:18px 22px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 8px 25px rgba(24,50,90,.05)}
    .tag-summary strong{font-size:18px;color:#243653}
    .tag-summary span{color:#758196;font-size:14px}
    .tag-articles{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:15px;box-shadow:0 8px 25px rgba(24,50,90,.045);transition:.2s}
    .tag-article-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#c0cee3}
    .tag-article-cover{height:170px;overflow:hidden;border-radius:10px;background:#e9eef6}
    .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}
    .tag-article-label{display:inline-flex;width:max-content;padding:3px 9px;margin-bottom:8px;border-radius:20px;background:#edf3fc;color:var(--theme);font-size:12px}
    .tag-article-body h2{margin:0 0 8px;font-size:21px;line-height:1.4;color:#1d2d49}
    .tag-article-body h2 a:hover{color:var(--theme)}
    .tag-article-summary{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden;margin:0;color:#68768b;font-size:14px;line-height:1.8}
    .tag-article-meta{display:flex;flex-wrap:wrap;gap:13px;margin-top:auto;padding-top:13px;color:#8893a4;font-size:12px}
    .tag-article-tags{margin-top:9px;color:#61718a;font-size:12px}
    .tag-read{display:inline-flex;align-items:center;gap:6px;width:max-content;margin-top:12px;color:var(--theme);font-size:13px;font-weight:700}
    .tag-read:after{content:"→";font-size:16px;transition:.2s}
    .tag-read:hover:after{transform:translateX(4px)}
    .pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:38px}
    .pagination a{min-width:38px;padding:8px 12px;text-align:center;border:1px solid var(--line);border-radius:7px;color:#5e6b80;background:#fff;font-size:13px}
    .pagination a:hover,.pagination a.active{border-color:var(--theme);background:var(--theme);color:#fff}

    .footer{background:#111b2d;color:#aeb9ca}
    .footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:42px;padding:52px 0 42px}
    .footer .logo{color:#fff;margin-bottom:15px}
    .footer .logo img{filter:brightness(0) invert(1)}
    .footer-brand p{max-width:330px;margin:0;color:#9ba8bc;font-size:13px;line-height:1.9}
    .footer-social{margin-top:18px}
    .footer-social a{color:#d5e1f4;font-size:13px}
    .footer h3{margin:5px 0 16px;color:#fff;font-size:15px}
    .footer-links,.footer-contact{display:grid;gap:9px}
    .footer-links a,.footer-contact a{color:#aeb9ca;font-size:13px}
    .footer-links a:hover,.footer-contact a:hover,.footer-social a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-top:1px solid rgba(255,255,255,.1);font-size:12px;color:#8997ab}
    .footer-bottom-links{display:flex;gap:18px}
    .footer-bottom a:hover{color:#fff}

    @media (max-width:980px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-inner{justify-content:space-between}
      .footer-main{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:640px){
      .container{width:min(100% - 28px,1180px)}
      .topbar{height:auto;padding:9px 0}
      .topbar-inner{align-items:flex-start;gap:5px;flex-direction:column}
      .header-inner{min-height:66px;gap:12px}
      .logo{font-size:16px}
      .logo img{width:32px;height:32px}
      .header-member{display:none}
      .tag-page{padding:42px 0 60px}
      .tag-heading{margin-bottom:26px}
      .tag-heading h1{font-size:30px}
      .tag-summary{align-items:flex-start;flex-direction:column;gap:5px}
      .tag-article-card{grid-template-columns:1fr;gap:15px;padding:14px}
      .tag-article-cover{height:190px}
      .tag-article-body h2{font-size:19px}
      .tag-article-meta{margin-top:10px}
      .footer-main{grid-template-columns:1fr;gap:28px;padding:38px 0 30px}
      .footer-bottom{align-items:flex-start;flex-direction:column}
    }