:root{--blue:#0B3D91;--deep:#071a35;--ice:#eaf5ff;--line:#d9e5f2;--muted:#65748b;--white:#fff}
    *{box-sizing:border-box}html,body{margin:0;padding:0;color:var(--deep);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;background:#f5f9fd;line-height:1.6}a{color:inherit;text-decoration:none}.container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{background:#06152b;color:#cbd9ec;font-size:13px}.topbar-inner{min-height:36px;display:flex;align-items:center;justify-content:space-between}.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);box-shadow:0 4px 18px #0b3d9110}.header-inner{height:76px;display:flex;align-items:center;gap:30px}.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--blue);white-space:nowrap}.logo img{width:36px;height:36px;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:block;padding:26px 13px;font-size:15px;font-weight:600;white-space:nowrap}.nav-link:hover{color:var(--blue)}.has-arrow:after{content:"⌄";font-size:12px;margin-left:5px;color:#7690ad}
    .dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);width:310px;background:#fff;border:1px solid var(--line);border-radius:0 0 14px 14px;box-shadow:0 16px 35px #092c5420;padding:20px;opacity:0;visibility:hidden;transition:.2s;z-index:30}.mega-menu{width:720px}.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}.dropdown-panel:before,.mega-menu:before{content:"";position:absolute;top:-12px;left:0;right:0;height:12px}
    .mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.panel-title{margin:0 0 12px;color:var(--blue);font-size:15px}.panel-list{display:grid;gap:8px}.panel-list a{font-size:13px;color:#53657c}.panel-list a:hover{color:var(--blue)}.mega-card{display:flex;gap:10px;padding:8px;border-radius:9px}.mega-card:hover{background:var(--ice)}.mega-card img{width:40px;height:40px;object-fit:cover;border-radius:8px;background:#edf4fb}.mega-card span{min-width:0;display:grid}.mega-card strong{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mega-card small{font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mega-footer{display:block;margin-top:15px;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--blue);font-weight:700}
    .header-btns{display:flex;align-items:center;gap:10px;white-space:nowrap}.member-btn,.open-account{padding:9px 14px;border-radius:7px;font-size:13px}.member-btn{color:var(--blue);border:1px solid #b9cde6}.open-account{background:var(--blue);color:#fff}.hamburger{display:none;border:0;background:none;padding:7px;cursor:pointer}.hamburger span{display:block;width:22px;height:2px;margin:4px 0;background:var(--deep);transition:.2s}.hamburger.active span:nth-child(1){transform:translateY(6px) rotate(45deg)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
    .drawer-overlay{display:none;position:fixed;inset:0;background:#03132999;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:.25s;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(--blue);font-weight:700}.drawer-head a{margin-left:auto;background:var(--blue);color:#fff;padding:6px 12px;border-radius:5px;font-size:13px}.drawer-close{border:0;background:none;font-size:27px;color:#64748b;cursor:pointer}.drawer-menu{padding:12px 20px}.drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;text-align:left;border:0;background:none;border-bottom:1px solid #edf2f7;font-size:15px;font-family:inherit;color:var(--deep);cursor:pointer}.drawer-toggle:after{content:"＋";float:right;color:var(--blue)}.drawer-toggle.active:after{content:"－"}.drawer-submenu{display:none;padding:4px 0 8px 16px}.drawer-submenu.open{display:grid}.drawer-submenu a{padding:7px 0;color:var(--muted);font-size:13px}
    .article-page{padding:52px 0 80px}.article-layout{display:grid;grid-template-columns:minmax(0,800px) 290px;gap:32px;align-items:start}.article-main,.article-side{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 10px 28px #0b3d9109}.article-main{padding:38px 44px}.article-kicker{display:inline-block;padding:5px 11px;background:var(--ice);color:var(--blue);border-radius:30px;font-size:13px;font-weight:700}.article-title{font-size:clamp(28px,4vw,44px);line-height:1.25;margin:17px 0 14px;color:var(--deep)}.article-meta{display:flex;flex-wrap:wrap;gap:16px;padding-bottom:22px;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}.article-cover{width:100%;max-height:410px;object-fit:cover;border-radius:12px;margin:26px 0}.article-content{min-width:0;max-width:100%;overflow-x:auto;font-size:16px;color:#30435c}.article-content img,.article-content table{max-width:100%;height:auto}.article-content h2,.article-content h3{color:var(--deep);margin-top:30px}.article-content a{color:var(--blue);text-decoration:underline}.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px;padding-top:20px;border-top:1px solid var(--line)}.article-tags a{padding:4px 10px;color:var(--blue);background:var(--ice);border-radius:20px;font-size:12px}.article-nav{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:28px}.article-nav a{padding:15px;background:#f3f8fd;border-radius:10px;font-size:13px}.article-nav a:last-child{text-align:right}.article-side{padding:23px;position:sticky;top:20px}.side-title{margin:0 0 16px;font-size:18px;color:var(--blue)}.side-card{display:block;padding:13px 0;border-bottom:1px solid var(--line)}.side-card strong{display:block;font-size:14px;line-height:1.5}.side-card small{color:var(--muted);font-size:12px}.like-title{margin:0 0 14px;font-size:20px;color:var(--deep)}.like-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:35px}.like-card{background:#fff;border:1px solid var(--line);padding:18px;border-radius:12px}.like-card h3{font-size:15px;margin:0 0 8px}.like-card p{font-size:13px;color:var(--muted);margin:0}
    .footer{background:#06152b;color:#c8d5e7;padding:48px 0 0}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer strong{color:#fff;font-size:20px}.footer h3{color:#fff;font-size:15px;margin:0 0 14px}.footer p{font-size:13px;color:#9fb1c9}.footer a{display:block;font-size:13px;color:#aebed2;margin:7px 0}.footer a:hover{color:#fff}.footer-bottom{margin-top:35px;padding:18px 0;border-top:1px solid #ffffff18;color:#8fa4bf;font-size:12px}
    @media(max-width:980px){.main-nav{display:none}.hamburger{display:block}.header-btns{margin-left:auto}.mega-grid{grid-template-columns:1fr}.article-layout{grid-template-columns:1fr}.article-side{position:static}.like-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:600px){.container{width:min(100% - 28px,1180px)}.topbar-inner{padding:8px 0;display:block}.topbar-contact{gap:12px;margin-top:3px}.header-inner{height:66px}.member-btn,.open-account{display:none}.article-page{padding:28px 0 55px}.article-main{padding:24px 18px}.article-title{font-size:29px}.article-nav{grid-template-columns:1fr}.article-nav a:last-child{text-align:left}.like-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}.footer-brand{grid-column:1/-1}}