:root{
      --theme:#0B3D91;
      --ink:#172033;
      --muted:#687386;
      --line:#e7ebf2;
      --paper:#f6f8fb;
      --white:#fff;
      --accent:#d69b35;
      --shadow:0 16px 45px rgba(20,39,75,.09);
      --radius:16px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7}
    body.drawer-lock{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{background:#101a2d;color:#cbd4e3;font-size:13px}
    .topbar-inner{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar-contact{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{min-height:76px;display:flex;align-items:center;gap:28px}
    .logo{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-size:19px;font-weight:800;color:var(--theme)}
    .logo img{width:38px;height:38px;object-fit:contain}
    .main-nav{margin-left:auto}
    .nav-list{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:6px;padding:26px 13px;font-size:15px;font-weight:600;color:#263248;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%);visibility:hidden;opacity:0;pointer-events:none;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);transition:.2s ease;z-index:30}
    .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;pointer-events:auto}
    .dropdown-panel{width:330px;padding:22px;border-radius:0 0 14px 14px}
    .dropdown-title{font-weight:800;margin:0 0 12px;color:var(--theme)}
    .dropdown-list{display:grid;gap:8px}
    .dropdown-list a{font-size:14px;border-bottom:1px solid var(--line);padding-bottom:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .dropdown-list a:hover{color:var(--theme)}
    .dropdown-more,.mega-footer{display:flex;justify-content:space-between;align-items:center;margin-top:16px;padding-top:13px;border-top:1px solid var(--line);color:var(--theme);font-weight:700;font-size:13px}
    .mega-menu{width:min(920px,calc(100vw - 30px));padding:24px;border-radius:0 0 18px 18px}
    .mega-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:17px}
    .mega-head strong{font-size:17px;color:var(--theme)}
    .mega-head span{font-size:12px;color:var(--muted)}
    .mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .mega-card{min-width:0;border:1px solid var(--line);border-radius:12px;padding:12px;background:#fff;transition:.2s}
    .mega-card:hover{border-color:#9bb1d7;transform:translateY(-2px)}
    .mega-card img{width:34px;height:34px;object-fit:contain;margin-bottom:8px}
    .mega-card img.cover{width:100%;height:72px;object-fit:cover;border-radius:8px}
    .mega-card strong{display:block;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .mega-card p{margin:5px 0 0;color:var(--muted);font-size:12px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .mega-meta{display:flex;flex-wrap:wrap;gap:5px 10px;color:var(--muted);font-size:11px;margin-top:8px}
    .mega-categories{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
    .mega-categories a{padding:5px 10px;background:#f1f5fb;border-radius:99px;color:var(--theme);font-size:12px}
    .mega-categories a:hover{background:#dfe9f8}
    .header-btns{display:flex;align-items:center;gap:12px}
    .member-entry{font-size:14px;color:var(--theme);font-weight:700}
    .account-entry{background:var(--theme);color:#fff;padding:8px 17px;border-radius:8px;font-size:14px;font-weight:700}
    .account-entry:hover{background:#092d6b}
    .hamburger{display:none;width:42px;height:40px;border:1px solid var(--line);background:#fff;border-radius:8px;padding:9px;cursor:pointer}
    .hamburger span{display:block;height:2px;background:var(--theme);margin:5px 0;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(5,13,28,.55);opacity:0;visibility:hidden;transition:.2s;z-index:70}
    .drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{position:fixed;top:0;right:0;width:min(390px,88vw);height:100vh;background:#fff;transform:translateX(100%);transition:.28s ease;z-index:80;overflow:auto}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:14px;padding:20px;border-bottom:1px solid var(--line);color:var(--theme);font-weight:800}
    .drawer-head a{margin-left:auto;background:var(--theme);color:#fff;border-radius:7px;padding:5px 12px;font-size:13px}
    .drawer-close{width:32px;height:32px;border:0;background:#f0f3f8;border-radius:50%;font-size:23px;line-height:1;color:var(--ink);cursor:pointer}
    .drawer-menu{padding:12px 20px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 0;border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left;color:var(--ink);font-weight:700;cursor:pointer}
    .drawer-toggle:after{content:"＋";float:right;color:var(--theme)}
    .drawer-toggle.active:after{content:"−"}
    .drawer-submenu{display:none;padding:7px 12px;background:#f6f8fb;border-radius:8px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:8px 0;color:var(--muted);font-size:14px}
    .drawer-submenu a:hover{color:var(--theme)}
    .footer{background:#101a2d;color:#c9d3e3;margin-top:70px}
    .footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:38px;padding:48px 0}
    .footer .logo{color:#fff;margin-bottom:16px}
    .footer .logo img{background:#fff;border-radius:7px}
    .footer-brand p{max-width:330px;margin:0;color:#aebbd0;font-size:13px}
    .footer h3{margin:0 0 15px;color:#fff;font-size:15px}
    .footer-links,.footer-contact{display:grid;gap:9px;font-size:13px}
    .footer a:hover{color:#fff}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12)}
    .footer-bottom-inner{min-height:52px;display:flex;align-items:center;justify-content:space-between;gap:20px;color:#91a1ba;font-size:12px}
    .article-page{padding:46px 0 0}
    .article-breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:9px;color:var(--muted);font-size:13px;margin-bottom:24px}
    .article-breadcrumb a:hover{color:var(--theme)}
    .article-layout{display:grid;grid-template-columns:minmax(0,820px) 280px;gap:34px;align-items:start}
    .article-card-main{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 28px rgba(30,52,90,.04);overflow:hidden}
    .article-head{padding:34px 42px 24px;border-bottom:1px solid var(--line)}
    .article-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--theme);font-size:13px;font-weight:800;margin-bottom:12px}
    .article-kicker:before{content:"";width:22px;height:3px;background:var(--accent);border-radius:3px}
    .article-title{margin:0;color:#111b2f;font-size:clamp(28px,4vw,42px);line-height:1.28;letter-spacing:-.02em}
    .article-meta{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:18px;color:var(--muted);font-size:13px}
    .article-meta span{display:inline-flex;align-items:center;gap:5px}
    .article-cover{width:100%;max-height:420px;object-fit:cover;background:#edf2f8}
    .article-content{min-width:0;max-width:100%;overflow-x:auto;padding:34px 42px 42px;color:#354055;font-size:16px}
    .article-content img,.article-content video,.article-content table{max-width:100%;height:auto}
    .article-content h2,.article-content h3{color:#162643;line-height:1.4;margin:30px 0 14px}
    .article-content h2{font-size:25px;border-left:4px solid var(--theme);padding-left:12px}
    .article-content h3{font-size:20px}
    .article-content p{margin:0 0 18px}
    .article-content a{color:var(--theme);text-decoration:underline}
    .article-content blockquote{margin:22px 0;padding:16px 20px;background:#f3f7fd;border-left:4px solid var(--accent);color:#52627a}
    .article-content ul,.article-content ol{padding-left:25px}
    .article-tags{display:flex;flex-wrap:wrap;gap:8px;padding:0 42px 30px}
    .article-tags a{padding:5px 12px;background:#f1f5fb;color:var(--theme);border-radius:99px;font-size:12px}
    .article-tags a:hover{background:#dfe9f8}
    .article-pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:24px 42px;border-top:1px solid var(--line);background:#fbfcfe}
    .pager-item{min-width:0}
    .pager-item.next{text-align:right}
    .pager-label{display:block;color:var(--muted);font-size:12px;margin-bottom:5px}
    .pager-title{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--theme);font-weight:700}
    .article-side{display:grid;gap:18px}
    .side-box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
    .side-box h2{font-size:17px;color:#172642;margin:0 0 15px;padding-bottom:12px;border-bottom:2px solid #edf1f7}
    .side-list{display:grid;gap:13px}
    .side-list a{display:block;font-size:14px;line-height:1.5}
    .side-list a:hover{color:var(--theme)}
    .side-list small{display:block;color:var(--muted);font-size:11px;margin-top:4px}
    .article-like{margin-top:32px}
    .like-title{font-size:22px;color:#172642;margin:0 0 18px}
    .like-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .like-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:17px;transition:.2s}
    .like-card:hover{border-color:#a5b9dc;transform:translateY(-2px)}
    .like-card h3{font-size:15px;line-height:1.5;margin:0 0 8px}
    .like-card p{font-size:12px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .like-card time{display:block;color:#8b96a8;font-size:11px;margin-top:10px}
    @media (max-width:1020px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-btns{margin-left:auto}
      .article-layout{grid-template-columns:minmax(0,1fr)}
      .article-side{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:720px){
      .container{width:min(100% - 28px,1180px)}
      .topbar-inner{padding:7px 0;align-items:flex-start}
      .topbar-contact{gap:8px;flex-direction:column;text-align:right}
      .header-inner{min-height:66px;gap:10px}
      .member-entry{display:none}
      .account-entry{padding:7px 11px;font-size:12px}
      .mega-grid{grid-template-columns:1fr 1fr}
      .article-page{padding-top:26px}
      .article-head{padding:25px 22px 20px}
      .article-title{font-size:29px}
      .article-content{padding:25px 22px 30px;font-size:15px}
      .article-tags{padding:0 22px 24px}
      .article-pager{padding:19px 22px;grid-template-columns:1fr}
      .pager-item.next{text-align:left}
      .article-side{grid-template-columns:1fr}
      .like-grid{grid-template-columns:1fr}
      .footer-main{grid-template-columns:1fr 1fr;gap:28px 20px;padding:35px 0}
      .footer-brand{grid-column:1/-1}
      .footer-bottom-inner{padding:13px 0;align-items:flex-start;flex-direction:column;gap:4px}
    }
    @media (max-width:430px){
      .topbar{font-size:11px}
      .topbar-contact a:first-child{display:none}
      .mega-grid{grid-template-columns:1fr}
      .footer-main{grid-template-columns:1fr}
    }