:root{--blue:#0B3D91;--ink:#20252d;--muted:#697386;--cream:#f7f2e9;--line:#e5e8ee;--coral:#f1765c;--white:#fff}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#fbfaf7;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.65}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{background:#1e2733;color:#dce4ef;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:#fff}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
    .header-inner{height:76px;display:flex;align-items:center;gap:28px}
    .logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;white-space:nowrap;color:var(--blue)}
    .logo img{width:35px;height:35px;object-fit:contain}
    .main-nav{flex:1}
    .nav-list{display:flex;align-items:center;justify-content:center;gap:4px;padding:0;margin:0;list-style:none}
    .nav-item{position:relative}
    .nav-link{display:block;padding:27px 14px;font-size:14px;font-weight:650;white-space:nowrap}
    .nav-link:hover,.nav-link:focus{color:var(--blue)}
    .has-arrow:after{content:"⌄";font-size:12px;margin-left:6px;color:#8b93a1}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% + 1px);left:50%;transform:translateX(-50%) translateY(8px);width:310px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:0 0 14px 14px;box-shadow:0 18px 45px #1e27331c;opacity:0;visibility:hidden;transition:.2s;z-index:30}
    .mega-menu{width:690px}
    .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:translateX(-50%) translateY(0)}
    .dropdown-panel:before,.mega-menu:before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
    .dropdown-inner>a:not(.mega-footer),.mega-links a{display:block;padding:9px 12px;border-radius:8px;font-size:14px}
    .dropdown-inner>a:hover,.mega-links a:hover{background:#f1f5fb;color:var(--blue)}
    .mega-inner{padding:5px}
    .mega-heading{margin:4px 8px 10px;color:var(--blue);font-size:13px;font-weight:800}
    .mega-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
    .mega-card{display:flex;gap:9px;min-width:0;padding:9px;border:1px solid #edf0f4;border-radius:10px}
    .mega-card:hover{border-color:#b9c9e4;background:#f7faff}
    .mega-card img{width:36px;height:36px;object-fit:cover;border-radius:7px;flex:none}
    .mega-card span{min-width:0}
    .mega-card strong,.mega-card small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .mega-card strong{font-size:13px}
    .mega-card small{font-size:11px;color:var(--muted)}
    .mega-columns{display:grid;grid-template-columns:145px 1fr;gap:14px}
    .mega-footer{display:block;margin-top:10px;padding:9px 12px;background:var(--blue);color:#fff;border-radius:8px;text-align:center;font-size:13px}
    .header-btns{display:flex;align-items:center;gap:9px}
    .member-btn,.open-btn{padding:8px 13px;border-radius:7px;font-size:13px;font-weight:700}
    .member-btn{color:var(--blue);border:1px solid #cfdaeb}
    .open-btn{background:var(--blue);color:#fff}
    .hamburger{display:none;border:0;background:transparent;padding:8px;cursor:pointer}
    .hamburger span{display:block;width:23px;height:2px;margin:5px;background:var(--ink);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{display:none}
    .mobile-drawer{position:fixed;right:0;top:0;bottom:0;width:min(360px,88vw);background:#fff;z-index:60;transform:translateX(100%);transition:.25s;box-shadow:-15px 0 40px #1113;overflow:auto}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-overlay.open{display:block;position:fixed;inset:0;background:#17233399;z-index:50}
    .drawer-head{height:70px;padding:0 20px;display:flex;align-items:center;gap:15px;border-bottom:1px solid var(--line)}
    .drawer-head strong{margin-right:auto;color:var(--blue)}
    .drawer-head a{padding:7px 12px;background:var(--blue);color:#fff;border-radius:6px;font-size:13px}
    .drawer-close{border:0;background:none;font-size:28px;color:#687386;cursor:pointer}
    .drawer-menu{padding:12px 20px 30px}
    .drawer-link,.drawer-toggle{width:100%;display:block;padding:13px 3px;background:none;border:0;border-bottom:1px solid #eef0f3;text-align:left;font:inherit;font-size:15px;cursor:pointer}
    .drawer-toggle:after{content:"＋";float:right;color:#8b93a1}
    .drawer-toggle.active:after{content:"－"}
    .drawer-submenu{display:none;padding:4px 0 8px 14px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:8px 0;color:var(--muted);font-size:14px}
    .footer{margin-top:70px;background:#202a36;color:#c8d0db}
    .footer .logo{color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:35px;padding:50px 0 38px}
    .footer h3{margin:0 0 15px;color:#fff;font-size:15px}
    .footer p{margin:11px 0;font-size:13px;color:#aeb9c6}
    .footer-grid>div:not(.footer-brand)>a{display:block;margin:8px 0;color:#c8d0db;font-size:13px}
    .footer-grid>div:not(.footer-brand)>a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-top:1px solid #ffffff18;color:#94a2b2;font-size:12px}
    .category-page{padding:0 0 30px}
    .page-hero{padding:66px 0 54px;background:linear-gradient(135deg,#fff4ed 0%,#fff 55%,#edf3fb 100%);border-bottom:1px solid #eee}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-size:13px;font-weight:800;letter-spacing:1px}
    .eyebrow:before{content:"";width:24px;height:3px;border-radius:5px;background:var(--coral)}
    .page-hero h1{max-width:750px;margin:14px 0 12px;font-size:clamp(30px,5vw,54px);line-height:1.15;letter-spacing:-1px}
    .page-hero p{max-width:700px;margin:0;color:var(--muted);font-size:16px}
    .content-wrap{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:34px;padding-top:42px}
    .section-title{display:flex;align-items:end;justify-content:space-between;margin-bottom:18px}
    .section-title h2{margin:0;font-size:24px}
    .section-title span{color:var(--muted);font-size:13px}
    .article-list{display:grid;gap:18px}
    .article-card{display:grid;grid-template-columns:270px minmax(0,1fr);min-height:205px;background:#fff;border:1px solid #e9ebef;border-radius:14px;overflow:hidden;box-shadow:0 8px 24px #26334808;transition:.2s}
    .article-card:hover{transform:translateY(-3px);box-shadow:0 13px 30px #26334814;border-color:#cad7e9}
    .article-cover{height:100%;min-height:205px;background:#edf1f6}
    .article-cover img{width:100%;height:100%;object-fit:cover}
    .article-body{display:flex;flex-direction:column;padding:20px 22px}
    .article-category{display:inline-block;margin-bottom:8px;color:var(--coral);font-size:12px;font-weight:800}
    .article-body h3{margin:0 0 9px;font-size:19px;line-height:1.4}
    .article-summary{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden;margin:0;color:var(--muted);font-size:14px}
    .article-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:auto;padding-top:14px;color:#8993a2;font-size:12px}
    .article-tags{margin-top:10px;color:var(--blue);font-size:12px}
    .read-more{align-self:flex-start;margin-top:12px;color:var(--blue);font-size:13px;font-weight:800}
    .read-more:after{content:" →"}
    .sidebar-card{margin-bottom:20px;padding:22px;background:#fff;border:1px solid #e7eaf0;border-radius:14px}
    .sidebar-card h3{margin:0 0 15px;font-size:17px}
    .sidebar-card p{margin:0;color:var(--muted);font-size:13px}
    .side-links a{display:block;padding:11px 0;border-bottom:1px solid #edf0f3;font-size:14px}
    .side-links a:last-child{border-bottom:0}
    .side-links a:hover{color:var(--blue)}
    .trust-box{background:var(--blue);color:#fff;border-radius:14px;padding:23px}
    .trust-box h3{margin-top:0}
    .trust-box p{color:#dbe7fa}
    .trust-box a{display:inline-block;margin-top:10px;padding:9px 13px;background:#fff;color:var(--blue);border-radius:7px;font-size:13px;font-weight:700}
    .pagination{display:flex;justify-content:center;gap:8px;margin-top:32px}
    .pagination a{min-width:36px;padding:7px 11px;border:1px solid #dbe1ea;border-radius:7px;text-align:center;font-size:13px;background:#fff}
    .pagination a:hover,.pagination a.current,.pagination a.active{background:var(--blue);color:#fff;border-color:var(--blue)}
    @media(max-width:980px){
      .nav-link{padding-left:8px;padding-right:8px}
      .header-inner{gap:12px}
      .member-btn{display:none}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:760px){
      .container{width:min(100% - 28px,600px)}
      .topbar .container{height:auto;min-height:36px;padding:7px 0;align-items:flex-start;gap:6px}
      .topbar-links{gap:8px;flex-direction:column}
      .main-nav{display:none}
      .header-inner{height:65px}
      .header-btns{margin-left:auto}
      .hamburger{display:block}
      .open-btn{padding:8px 10px}
      .page-hero{padding:45px 0 38px}
      .content-wrap{display:block;padding-top:28px}
      .sidebar{margin-top:28px}
      .article-card{grid-template-columns:1fr}
      .article-cover{height:190px;min-height:190px}
      .article-body{min-height:245px}
      .footer-grid{grid-template-columns:1fr;gap:24px;padding:35px 0 25px}
      .footer-bottom{display:block;line-height:2}
    }