:root{--blue:#0B3D91;--ink:#172033;--muted:#667085;--line:#e6eaf0;--paper:#f7f9fc;--white:#fff;--accent:#d84b3f}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","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:0 auto}
.topbar{background:#101828;color:#cbd5e1;font-size:13px}
.topbar .container{min-height:36px;display:flex;align-items:center;justify-content:space-between}
.topbar a{color:#e5edf8;margin-left:20px}
.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:flex;align-items:center;gap:10px;min-width:180px;color:var(--blue);font-size:19px;font-weight:800}
.logo img{width:34px;height:34px;object-fit:contain}
.main-nav{flex:1}
.nav-list{display:flex;align-items:stretch;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:26px 13px;font-size:14px;font-weight:600;white-space:nowrap}
.has-arrow:after{content:"";width:6px;height:6px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg) translateY(-2px)}
.nav-item:hover>.dropdown-panel,.nav-item:focus-within>.dropdown-panel,.nav-item:hover>.mega-menu,.nav-item:focus-within>.mega-menu{display:block}
.dropdown-panel,.mega-menu{display:none;position:absolute;top:100%;left:50%;transform:translateX(-50%);width:330px;padding:16px;background:#fff;border:1px solid var(--line);box-shadow:0 18px 45px #15294b1f;border-radius:0 0 12px 12px}
.dropdown-panel:before,.mega-menu:before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
.dropdown-panel>a:not(.mega-footer){display:flex;flex-direction:column;padding:10px;border-bottom:1px solid var(--line)}
.dropdown-panel small,.mega-card small{color:var(--muted);font-size:12px}
.mega-menu{width:650px}
.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}
.mega-card,.mega-grid>a:not(.mega-card){padding:12px;border:1px solid var(--line);border-radius:9px;display:flex;flex-direction:column;gap:5px;font-size:13px;background:#fbfcfe}
.mega-card img{width:28px;height:28px;object-fit:contain}
.mega-card:hover,.mega-grid>a:hover{border-color:var(--blue);background:#f2f6ff}
.mega-footer{display:block;margin-top:13px;padding-top:12px;border-top:1px solid var(--line);color:var(--blue);font-weight:700;font-size:13px}
.header-btns{display:flex;align-items:center;gap:9px;white-space:nowrap}
.member-btn{color:var(--blue);font-size:13px;font-weight:700}
.account-btn{background:var(--blue);color:#fff;border-radius:5px;padding:9px 15px;font-size:13px}
.hamburger{display:none;border:0;background:none;padding:8px;cursor:pointer}
.hamburger span{display:block;width:23px;height:2px;background:var(--ink);margin:4px 0;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:#0b183866;z-index:40}
.drawer-overlay.open{display:block}
.mobile-drawer{position:fixed;z-index:50;top:0;right:0;width:min(380px,88%);height:100vh;background:#fff;transform:translateX(105%);transition:transform .25s ease;overflow:auto;box-shadow:-15px 0 40px #15294b26}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;gap:18px;padding:20px;border-bottom:1px solid var(--line)}
.drawer-head strong{flex:1;color:var(--blue)}
.drawer-head a{color:var(--blue);font-weight:700}
.drawer-close{border:0;background:none;font-size:28px;line-height:1;cursor:pointer;color:var(--muted)}
.drawer-menu{padding:10px 20px 35px}
.drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 0;border:0;border-bottom:1px solid var(--line);background:none;text-align:left;font:inherit;color:var(--ink);cursor:pointer}
.drawer-toggle:after{content:"＋";float:right;color:var(--blue)}
.drawer-toggle.active:after{content:"－"}
.drawer-submenu{display:none;padding:5px 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:#101828;color:#b9c4d5}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding:52px 0 40px}
.footer-brand{color:#fff;font-size:21px;font-weight:800;margin-bottom:14px}
.footer h3{color:#fff;font-size:15px;margin:0 0 14px}
.footer p{margin:7px 0;font-size:13px}
.footer-grid>div>a{display:block;color:#b9c4d5;font-size:13px;margin:7px 0}
.footer-grid>div>a:hover{color:#fff}
.footer-bottom{border-top:1px solid #ffffff1c;padding:20px 0;font-size:12px;color:#8491a5}
.list-hero{padding:70px 0 45px;background:linear-gradient(135deg,#eef4ff,#fff)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em}
.eyebrow:before{content:"";width:28px;height:2px;background:var(--accent)}
.list-hero h1{max-width:780px;margin:17px 0 12px;font-size:clamp(32px,5vw,58px);line-height:1.13;letter-spacing:-.04em}
.list-hero p{max-width:700px;margin:0;color:var(--muted);font-size:16px}
.category-page .container{position:relative}
.article-list{padding:48px 0 10px}
.list-toolbar{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:23px}
.list-toolbar h2{margin:0;font-size:24px}
.list-toolbar p{margin:0;color:var(--muted);font-size:14px}
.article-card{display:grid;grid-template-columns:300px 1fr;gap:25px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:15px;margin-bottom:18px;box-shadow:0 7px 20px #15294b08}
.article-cover{height:205px;border-radius:9px;overflow:hidden;background:#e9eef6}
.article-cover img{width:100%;height:100%;object-fit:cover}
.article-body{min-width:0;display:flex;flex-direction:column;align-items:flex-start}
.article-label{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.08em}
.article-title{margin:8px 0 7px;font-size:21px;line-height:1.35}
.article-title:hover{color:var(--blue)}
.article-summary{margin:0;color:#596579;font-size:14px;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}
.article-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:13px;color:#7a8698;font-size:12px}
.article-tags{margin-top:11px;color:var(--blue);font-size:12px}
.read-more{margin-top:auto;padding-top:14px;color:var(--blue);font-size:13px;font-weight:800}
.pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;padding:35px 0}
.pagination a{min-width:34px;padding:6px 10px;border:1px solid var(--line);border-radius:5px;background:#fff;text-align:center;color:var(--muted);font-size:13px}
.pagination a.active,.pagination a:hover{background:var(--blue);border-color:var(--blue);color:#fff}
@media(max-width:980px){
 .main-nav{display:none}.hamburger{display:block}.header-inner{justify-content:space-between}.header-btns{margin-left:auto}
 .member-btn{display:none}.footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:620px){
 .container{width:min(100% - 28px,1180px)}.topbar .container{display:block;padding:8px 0}.topbar .contact{display:block}.topbar a{margin:0 14px 0 0}
 .header-inner{min-height:65px;gap:10px}.logo{min-width:0;font-size:16px}.logo img{width:29px;height:29px}.account-btn{padding:8px 10px}
 .list-hero{padding:48px 0 35px}.list-hero h1{font-size:36px}.list-hero p{font-size:14px}
 .list-toolbar{display:block}.list-toolbar h2{margin-bottom:5px}.article-card{display:block;padding:11px}.article-cover{height:190px}.article-body{padding:13px 4px 4px}.article-title{font-size:19px}.read-more{margin-top:0}
 .footer-grid{grid-template-columns:1fr;gap:25px;padding:38px 0 28px}.mega-menu,.dropdown-panel{display:none!important}
}