:root{
      --theme:#0B3D91;
      --theme-dark:#062862;
      --theme-soft:#eaf1ff;
      --cyan:#0b7f82;
      --pink:#ff4fa3;
      --ink:#101827;
      --muted:#647084;
      --line:#dfe5ee;
      --surface:#fff;
      --page:#f4f7fb;
      --radius:18px;
      --shadow:0 16px 45px rgba(11,61,145,.1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--page);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.65}
    body.drawer-locked{overflow:hidden}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .topbar{background:#071327;color:#dce7fa;font-size:13px}
    .topbar-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .topbar-contact{display:flex;gap:22px}
    .topbar-contact a:hover{color:#fff}
    .header{position:relative;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 5px 22px rgba(16,24,39,.05)}
    .header-inner{height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:inline-flex;align-items:center;gap:10px;min-width:max-content;font-weight:800;color:var(--theme);font-size:19px}
    .logo img{width:42px;height:42px;object-fit:contain;border-radius:10px}
    .main-nav{margin-left:auto;height:100%}
    .nav-list{height:100%;display:flex;align-items:center;gap:3px;margin:0;padding:0;list-style:none}
    .nav-item{height:100%;display:flex;align-items:center;position:relative}
    .nav-link{display:flex;align-items:center;height:100%;padding:0 13px;font-size:15px;font-weight:700;color:#243148;white-space:nowrap}
    .nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--theme)}
    .has-arrow:after{content:"";width:6px;height:6px;margin-left:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px)}
    .dropdown-panel,.mega-menu{position:absolute;top:100%;visibility:hidden;opacity:0;transform:translateY(8px);pointer-events:none;transition:.2s ease;background:#fff;border:1px solid var(--line);box-shadow:0 20px 55px rgba(11,27,57,.15)}
    .dropdown-panel:before,.mega-menu:before{content:"";position:absolute;left:0;right:0;top:-10px;height:10px}
    .nav-item:hover>.dropdown-panel,.nav-item:focus-within>.dropdown-panel,.nav-item:hover>.mega-menu,.nav-item:focus-within>.mega-menu{visibility:visible;opacity:1;transform:none;pointer-events:auto}
    .dropdown-panel{left:0;width:300px;padding:12px;border-radius:0 0 15px 15px}
    .dropdown-panel>a{display:block;padding:10px 12px;border-radius:9px;font-size:14px}
    .dropdown-panel>a:hover{background:var(--theme-soft);color:var(--theme)}
    .dropdown-panel .dropdown-all{margin-top:7px;border-top:1px solid var(--line);border-radius:0;color:var(--theme);font-weight:800}
    .mega-menu{position:fixed;top:116px;left:50%;width:min(1120px,calc(100vw - 40px));max-height:calc(100vh - 140px);overflow:auto;transform:translate(-50%,8px);padding:24px;border-radius:0 0 20px 20px}
    .nav-item:hover>.mega-menu,.nav-item:focus-within>.mega-menu{transform:translate(-50%,0)}
    .mega-title{margin:0 0 14px;color:var(--theme);font-size:14px;font-weight:900;letter-spacing:.05em}
    .mega-grid{display:grid;gap:12px}
    .mega-grid-6{grid-template-columns:repeat(3,1fr)}
    .mega-grid-3{grid-template-columns:repeat(3,1fr)}
    .mega-card{min-width:0;display:flex;align-items:center;gap:12px;padding:12px;background:#f7f9fc;border:1px solid #edf0f5;border-radius:13px;transition:.2s}
    .mega-card:hover{border-color:#a9bee4;background:var(--theme-soft);transform:translateY(-2px)}
    .mega-card img{width:50px;height:50px;flex:0 0 50px;object-fit:cover;border-radius:10px;background:#fff}
    .mega-card span{display:grid;min-width:0}
    .mega-card strong,.mega-card small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .mega-card strong{font-size:14px}
    .mega-card small{color:var(--muted);font-size:12px}
    .mega-video-card{align-items:flex-start}
    .mega-video-card img{width:86px;flex-basis:86px}
    .mega-tool-card img{object-fit:contain}
    .mega-split{display:grid;grid-template-columns:220px 1fr;gap:26px}
    .mega-categories{display:grid;gap:7px}
    .mega-categories a{padding:9px 11px;background:#f7f9fc;border-radius:8px;font-size:14px}
    .mega-categories a:hover{background:var(--theme-soft);color:var(--theme)}
    .mega-footer{display:block;margin-top:18px;padding-top:14px;border-top:1px solid var(--line);color:var(--theme);font-weight:800;text-align:right}
    .header-btns{display:flex;align-items:center;gap:9px;white-space:nowrap}
    .header-account{display:inline-flex;align-items:center}
    .header-open{padding:10px 16px;border-radius:10px;background:var(--theme);color:#fff;font-weight:800;box-shadow:0 8px 20px rgba(11,61,145,.2)}
    .header-open:hover{background:var(--theme-dark)}
    .hamburger{display:none;width:42px;height:42px;padding:9px;border:0;border-radius:10px;background:#eef3fb;cursor:pointer}
    .hamburger span{display:block;width:23px;height:2px;margin:5px auto;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;z-index:90;background:rgba(4,12,27,.62);visibility:hidden;opacity:0;transition:.25s}
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{position:fixed;z-index:100;top:0;right:0;width:min(390px,90vw);height:100dvh;background:#fff;box-shadow:-20px 0 55px rgba(0,0,0,.18);transform:translateX(102%);transition:.28s ease;overflow-y:auto}
    .mobile-drawer.open{transform:none}
    .drawer-head{min-height:72px;display:flex;align-items:center;gap:13px;padding:14px 18px;border-bottom:1px solid var(--line)}
    .drawer-head>a{padding:8px 13px;background:var(--theme);color:#fff;border-radius:8px;font-weight:700}
    .drawer-close{margin-left:auto;width:40px;height:40px;border:0;background:#eef2f7;border-radius:50%;font-size:27px;line-height:1;cursor:pointer}
    .drawer-menu{padding:14px 18px 30px}
    .drawer-link,.drawer-toggle{width:100%;display:flex;align-items:center;padding:13px 5px;border:0;border-bottom:1px solid var(--line);background:none;color:var(--ink);font-weight:800;text-align:left;cursor:pointer}
    .drawer-toggle:after{content:"＋";margin-left:auto;color:var(--theme)}
    .drawer-toggle.active:after{content:"－"}
    .drawer-submenu{display:none;padding:8px 0 8px 14px;border-left:2px solid #c9d7ef}
    .drawer-submenu.open{display:grid}
    .drawer-submenu a{padding:8px 9px;color:var(--muted);font-size:14px}
    .drawer-submenu a:hover{color:var(--theme);background:var(--theme-soft)}
    .tag-page{min-height:640px}
    .tag-page .tag-hero{position:relative;overflow:hidden;padding:72px 0 66px;background:linear-gradient(135deg,#061326 0%,#0b3d91 58%,#075c65 100%);color:#fff}
    .tag-page .tag-hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 18% 20%,rgba(255,79,163,.28),transparent 28%),radial-gradient(circle at 82% 70%,rgba(22,220,211,.18),transparent 30%)}
    .tag-page .tag-hero-inner{position:relative;text-align:center}
    .tag-page .eyebrow{display:inline-flex;padding:7px 13px;border:1px solid rgba(255,255,255,.28);border-radius:999px;background:rgba(255,255,255,.08);font-size:13px;font-weight:800}
    .tag-page h1{margin:17px 0 10px;font-size:clamp(34px,6vw,62px);line-height:1.12}
    .tag-page .tag-intro{max-width:720px;margin:0 auto;color:#dce8ff;font-size:17px}
    .tag-page .tag-count{display:inline-flex;align-items:center;gap:8px;margin-top:24px;padding:10px 17px;border-radius:12px;background:#fff;color:var(--theme);font-weight:900}
    .tag-page .content-area{padding:55px 0 78px}
    .tag-page .section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}
    .tag-page .section-head h2{margin:0;font-size:28px}
    .tag-page .section-head p{margin:4px 0 0;color:var(--muted)}
    .tag-page .tag-index-link{padding:10px 14px;border:1px solid #b9c8e2;border-radius:10px;color:var(--theme);font-weight:800}
    .tag-page .article-list{display:grid;gap:20px}
    .tag-page .article-card{display:grid;grid-template-columns:290px minmax(0,1fr);overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 10px 30px rgba(21,42,77,.06);transition:.22s}
    .tag-page .article-card:hover{transform:translateY(-3px);border-color:#afc3e6;box-shadow:var(--shadow)}
    .tag-page .article-cover{min-height:235px;background:#dfe8f6;overflow:hidden}
    .tag-page .article-cover img{width:100%;height:100%;object-fit:cover;transition:.35s}
    .tag-page .article-card:hover .article-cover img{transform:scale(1.035)}
    .tag-page .article-body{min-width:0;display:flex;flex-direction:column;padding:25px 27px}
    .tag-page .article-label{align-self:flex-start;padding:5px 10px;border-radius:999px;background:#eaf1ff;color:var(--theme);font-size:12px;font-weight:900}
    .tag-page .article-title{margin:12px 0 8px;font-size:22px;line-height:1.38}
    .tag-page .article-title a:hover{color:var(--theme)}
    .tag-page .article-summary{display:-webkit-box;overflow:hidden;margin:0;color:#596579;-webkit-line-clamp:3;-webkit-box-orient:vertical}
    .tag-page .article-meta{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:16px;color:#778196;font-size:13px}
    .tag-page .article-tags{margin-top:9px;color:var(--cyan);font-size:13px;overflow-wrap:anywhere}
    .tag-page .article-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:auto;padding-top:17px}
    .tag-page .read-more{color:var(--theme);font-weight:900}
    .tag-page .read-more:hover{color:var(--pink)}
    .tag-page .pagination{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:38px}
    .tag-page .pagination a{min-width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 13px;border:1px solid var(--line);border-radius:10px;background:#fff;color:#38445a;font-weight:700}
    .tag-page .pagination a:hover,.tag-page .pagination a.active,.tag-page .pagination a.current{border-color:var(--theme);background:var(--theme);color:#fff}
    .tag-page .tag-cta{margin-top:45px;padding:30px;border-radius:20px;background:linear-gradient(110deg,#081a38,#0b3d91);color:#fff;text-align:center}
    .tag-page .tag-cta h2{margin:0 0 7px}
    .tag-page .tag-cta p{margin:0 0 18px;color:#dbe7fb}
    .tag-page .tag-cta a{display:inline-flex;padding:11px 18px;border-radius:10px;background:#fff;color:var(--theme);font-weight:900}
    .footer{background:#071327;color:#cbd7ea}
    .footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:42px;padding:58px 0 38px}
    .footer .logo{color:#fff}
    .footer-brand p{max-width:430px;color:#9eacc1;font-size:14px}
    .footer-search{display:inline-block;margin-top:8px;color:#7ed9df;font-size:14px}
    .footer h3{margin:4px 0 16px;color:#fff;font-size:16px}
    .footer-links,.footer-contact{display:grid;gap:9px}
    .footer-links a,.footer-contact a{color:#aebbd0;font-size:14px}
    .footer-links a:hover,.footer-contact a:hover{color:#fff}
    .footer-social{color:#aebbd0;font-size:14px;overflow-wrap:anywhere}
    .footer-bottom{display:flex;justify-content:space-between;gap:25px;padding:22px 0;border-top:1px solid rgba(255,255,255,.1);color:#8594aa;font-size:12px}
    .risk-note{max-width:690px;text-align:right}
    @media (max-width:1080px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-inner{height:70px}
      .header-btns{margin-left:auto}
      .footer-main{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:760px){
      .container{width:min(100% - 28px,1180px)}
      .topbar-inner{padding:8px 0;align-items:flex-start;flex-direction:column;gap:3px}
      .topbar-contact{flex-wrap:wrap;gap:4px 16px}
      .header-account{display:none}
      .header-open{padding:8px 12px}
      .logo span{font-size:16px}
      .tag-page .tag-hero{padding:52px 0}
      .tag-page .article-card{grid-template-columns:1fr}
      .tag-page .article-cover{min-height:210px;max-height:260px}
      .tag-page .article-body{padding:21px}
      .tag-page .section-head{align-items:flex-start;flex-direction:column}
      .footer-main{grid-template-columns:1fr;gap:28px}
      .footer-bottom{flex-direction:column}
      .risk-note{text-align:left}
    }
    @media (max-width:430px){
      .header-btns{gap:6px}
      .header-open{font-size:13px}
      .logo img{width:37px;height:37px}
      .tag-page .article-title{font-size:19px}
      .tag-page .article-bottom{align-items:flex-start;flex-direction:column}
    }