:root{
      --primary:#0B3D91;
      --primary-dark:#082d6b;
      --ink:#12213d;
      --muted:#65728a;
      --line:#e3e9f2;
      --surface:#f5f8fc;
      --white:#fff;
      --shadow:0 14px 36px rgba(16,45,94,.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}
    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:#f3f6fa;border-bottom:1px solid var(--line);color:#6b7890;font-size:13px}
    .topbar .container{height:36px;display:flex;align-items:center;justify-content:space-between}
    .topbar-links{display:flex;gap:22px}
    .topbar a:hover{color:var(--primary)}

    .header{position:relative;z-index:30;background:#fff;border-bottom:1px solid var(--line)}
    .header-inner{height:76px;display:flex;align-items:center;gap:36px}
    .logo{display:inline-flex;align-items:center;gap:10px;color:var(--primary);font-weight:800;font-size:19px;white-space:nowrap}
    .logo img{width:34px;height:34px;object-fit:contain}
    .main-nav{flex:1}
    .nav-list{display:flex;align-items:center;justify-content:center;gap:4px;list-style:none;margin:0;padding:0}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:5px;padding:25px 14px;color:#33415b;font-size:14px;white-space:nowrap}
    .nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--primary)}
    .arrow{width:6px;height:6px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg);margin-top:-3px}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% + 1px);left:50%;transform:translateX(-50%);visibility:hidden;opacity:0;pointer-events:none;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);transition:.2s ease;z-index:40}
    .dropdown-panel{width:280px;padding:14px;border-radius:0 0 12px 12px}
    .dropdown-panel a{display:block;padding:9px 10px;border-radius:7px;font-size:13px}
    .dropdown-panel a:hover{background:var(--surface);color:var(--primary)}
    .mega-menu{width:760px;padding:22px 24px;border-radius:0 0 16px 16px}
    .nav-item:hover>.dropdown-panel,.nav-item:hover>.mega-menu,.nav-item:focus-within>.dropdown-panel,.nav-item:focus-within>.mega-menu{visibility:visible;opacity:1;pointer-events:auto}
    .mega-menu:before{content:"";position:absolute;left:0;right:0;top:-14px;height:14px}
    .mega-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:28px}
    .mega-title{margin:0 0 12px;color:var(--primary);font-size:13px;font-weight:800}
    .mega-list{display:grid;gap:7px}
    .mega-list a{display:block;padding:5px 7px;border-radius:7px;font-size:13px;color:#4b5971}
    .mega-list a:hover{background:var(--surface);color:var(--primary)}
    .mega-list small{display:block;color:#8a95a7;font-size:11px;line-height:1.4}
    .mega-broker,.mega-video{display:flex;gap:9px;align-items:center;padding:7px;border-radius:8px}
    .mega-broker:hover,.mega-video:hover{background:var(--surface)}
    .mega-broker img,.mega-video img{width:30px;height:30px;object-fit:cover;border-radius:6px}
    .mega-broker strong,.mega-video strong{display:block;font-size:12px}
    .mega-broker small,.mega-video small{display:block;color:#8792a4;font-size:10px}
    .mega-footer{display:block;margin-top:17px;padding-top:13px;border-top:1px solid var(--line);color:var(--primary);font-size:13px;font-weight:700}
    .header-btns{display:flex;align-items:center;gap:10px}
    .member-entry{color:var(--primary);font-size:13px;font-weight:700}
    .open-account{background:var(--primary);color:#fff;padding:8px 16px;border-radius:7px;font-size:13px}
    .open-account:hover{background:var(--primary-dark)}
    .hamburger{display:none;width:40px;height:38px;border:1px solid var(--line);background:#fff;border-radius:7px;padding:8px;cursor:pointer}
    .hamburger span{display:block;height:2px;background:var(--primary);margin:4px 0;transition:.2s}

    .drawer-overlay{display:none;position:fixed;inset:0;background:rgba(8,26,56,.42);z-index:50}
    .drawer-overlay.open{display:block}
    .mobile-drawer{position:fixed;right:0;top:0;bottom:0;width:min(360px,88vw);background:#fff;z-index:51;transform:translateX(100%);transition:.28s ease;overflow:auto}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{height:70px;display:flex;align-items:center;gap:15px;padding:0 20px;border-bottom:1px solid var(--line);color:var(--primary);font-weight:700}
    .drawer-head a{margin-left:auto;background:var(--primary);padding:6px 13px;border-radius:6px;color:#fff;font-size:12px}
    .drawer-close{border:0;background:none;color:#53627a;font-size:28px;line-height:1;cursor:pointer}
    .drawer-menu{padding:12px 20px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid var(--line);background:none;text-align:left;color:#263650;font-size:14px;cursor:pointer}
    .drawer-toggle:after{content:"+";float:right;color:var(--primary);font-size:18px}
    .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:7px 0;color:#65728a;font-size:13px}

    .category-page{padding:58px 0 80px;background:linear-gradient(180deg,#f7faff 0,#fff 430px)}
    .category-hero{text-align:center;max-width:760px;margin:0 auto 40px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--primary)}
    .category-hero h1{margin:13px 0 12px;font-size:clamp(30px,4vw,48px);line-height:1.2;color:#102a56}
    .category-hero p{margin:0;color:var(--muted);font-size:15px}
    .category-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:30px;align-items:start}
    .article-list{display:grid;gap:18px}
    .article-card{display:grid;grid-template-columns:280px minmax(0,1fr);gap:22px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 7px 22px rgba(16,45,94,.045);transition:.2s ease}
    .article-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#c8d7ed}
    .article-cover{height:190px;border-radius:11px;overflow:hidden;background:#e9eff8}
    .article-cover img{width:100%;height:100%;object-fit:cover}
    .article-body{min-width:0;display:flex;flex-direction:column}
    .article-channel{display:inline-block;width:max-content;margin-bottom:7px;color:var(--primary);background:#edf3ff;border-radius:20px;padding:3px 9px;font-size:11px}
    .article-title{margin:0 0 8px;font-size:21px;line-height:1.4;color:#152c53}
    .article-title a:hover{color:var(--primary)}
    .article-summary{margin:0 0 12px;color:#68758b;font-size:13px;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}
    .article-meta{display:flex;flex-wrap:wrap;gap:9px 15px;color:#8994a5;font-size:12px;margin-top:auto}
    .article-tags{margin-top:10px;color:#6c7890;font-size:12px}
    .article-tags strong{color:#465571;font-weight:600}
    .read-more{display:inline-flex;align-items:center;gap:5px;width:max-content;margin-top:12px;color:var(--primary);font-size:13px;font-weight:700}
    .read-more:after{content:"→";transition:.2s}
    .read-more:hover:after{transform:translateX(4px)}
    .side-panel{position:sticky;top:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 7px 22px rgba(16,45,94,.045)}
    .side-panel h2{margin:0 0 14px;font-size:18px;color:#193661}
    .side-panel p{margin:0 0 17px;color:var(--muted);font-size:13px}
    .side-links{display:grid;gap:9px}
    .side-links a{display:flex;justify-content:space-between;padding:10px 11px;background:var(--surface);border-radius:8px;color:#475774;font-size:13px}
    .side-links a:after{content:"›";color:var(--primary);font-size:18px;line-height:1}
    .side-links a:hover{background:#eaf1ff;color:var(--primary)}
    .pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:7px;margin-top:38px}
    .pagination a{min-width:35px;padding:6px 10px;border:1px solid var(--line);border-radius:7px;text-align:center;color:#5b6980;font-size:13px}
    .pagination a:hover,.pagination a.active{background:var(--primary);border-color:var(--primary);color:#fff}

    .footer{background:#0d1e3b;color:#b7c4d9}
    .footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px;padding:48px 0 42px}
    .footer .logo{color:#fff;margin-bottom:16px}
    .footer-brand p{max-width:270px;margin:0;color:#9eacc2;font-size:13px}
    .footer h3{margin:2px 0 15px;color:#fff;font-size:14px}
    .footer-links,.footer-contact{display:grid;gap:8px;font-size:13px}
    .footer-links a:hover,.footer-contact a:hover{color:#fff}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:17px 0;color:#8d9cb4;font-size:12px}

    @media (max-width:980px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-inner{justify-content:space-between}
      .category-layout{grid-template-columns:1fr}
      .side-panel{position:static}
      .footer-main{grid-template-columns:1fr 1fr}
    }
    @media (max-width:640px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{height:auto;min-height:36px;padding:7px 0;align-items:flex-start;gap:8px}
      .topbar-links{gap:8px;flex-direction:column;text-align:right}
      .header-inner{height:66px;gap:10px}
      .member-entry{display:none}
      .open-account{padding:7px 10px}
      .category-page{padding:38px 0 55px}
      .category-hero{margin-bottom:28px}
      .category-hero h1{font-size:31px}
      .article-card{grid-template-columns:1fr;gap:15px;padding:13px}
      .article-cover{height:190px}
      .article-title{font-size:19px}
      .footer-main{grid-template-columns:1fr;gap:28px;padding:36px 0}
    }