:root{--主题色:#0B3D91;--苔绿:#526b57;--岩灰:#3f4845;--雾白:#f3f5f1;--墨色:#202724;--线色:#d7ded6;--容器:1180px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--墨色);background:#f7f8f5;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.7}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(var(--容器),calc(100% - 40px));margin:auto}
    .topbar{background:var(--墨色);color:#dce5df;font-size:13px}.topbar .container{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}.topbar a{margin-left:20px;color:#dce5df}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid #e5e9e3}.header-inner{min-height:76px;display:flex;align-items:center;gap:30px}.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;white-space:nowrap;color:var(--苔绿)}.logo img{width:34px;height:34px;object-fit:contain}.main-nav{margin-left:auto}.nav-list{display:flex;align-items:stretch;gap:4px;list-style:none;padding:0;margin:0}.nav-item{position:relative}.nav-link{display:flex;align-items:center;padding:25px 13px;font-size:14px;white-space:nowrap}.has-arrow:after{content:"⌄";font-size:13px;margin-left:6px;color:#758078}.dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);width:310px;padding:20px;background:#fff;border:1px solid #e4e9e3;border-radius:0 0 12px 12px;box-shadow:0 18px 45px #26332b20;opacity:0;visibility:hidden;transition:.2s;z-index:30}.mega-menu{width:620px}.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}.drop-title,.mega-title{margin:0 0 12px;font-weight:800;color:var(--苔绿);font-size:15px}.drop-link{display:block;padding:7px 0;border-bottom:1px solid #edf0ec;font-size:13px}.drop-link small{display:block;color:#849087}.mega-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.mega-card{display:flex;gap:9px;padding:9px;border:1px solid #e7ece7;border-radius:8px;background:#fbfcfa}.mega-card img{width:35px;height:35px;object-fit:contain;flex:none}.mega-card strong,.mega-card small{display:block}.mega-card strong{font-size:13px}.mega-card small{font-size:11px;color:#78827b;line-height:1.5}.mega-footer{display:block;margin-top:15px;padding-top:12px;border-top:1px solid #e6ebe5;color:var(--主题色);font-size:13px;font-weight:700}.header-btns{display:flex;align-items:center;gap:9px}.member-btn,.open-btn{padding:8px 13px;border-radius:5px;font-size:13px}.member-btn{color:var(--苔绿);border:1px solid #bdc9bd}.open-btn{background:var(--主题色);color:#fff}.hamburger{display:none;border:0;background:none;padding:8px;cursor:pointer}.hamburger span{display:block;width:23px;height:2px;background:var(--墨色);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{display:none}.mobile-drawer{display:none}
    .category-page{padding:64px 0 90px}.category-intro{text-align:center;max-width:760px;margin:0 auto 44px}.category-kicker{color:var(--苔绿);font-size:13px;font-weight:700;letter-spacing:2px}.category-intro h1{font-size:clamp(30px,4vw,48px);line-height:1.2;margin:10px 0 16px;color:var(--墨色)}.category-intro p{margin:0;color:#68746b;font-size:16px}.article-list{display:grid;gap:22px;max-width:1020px;margin:0 auto}.article-card{display:grid;grid-template-columns:300px 1fr;background:#fff;border:1px solid #e2e8e1;border-radius:14px;overflow:hidden;box-shadow:0 7px 20px #3242380b}.article-cover{min-height:220px;background:#e3e9e2}.article-cover img{width:100%;height:100%;min-height:220px;object-fit:cover}.article-body{padding:25px 28px}.article-label{display:inline-block;color:var(--苔绿);font-size:12px;font-weight:700;background:#edf3ed;padding:3px 9px;border-radius:20px}.article-body h2{font-size:23px;line-height:1.4;margin:12px 0 9px}.article-body h2 a:hover{color:var(--主题色)}.article-summary{color:#657169;margin:0 0 15px;display:block;min-height:54px;font-size:14px}.article-meta{display:flex;flex-wrap:wrap;gap:12px;color:#89938b;font-size:12px;border-top:1px solid #edf0ec;padding-top:13px}.article-tags{margin-top:10px;color:#68766b;font-size:12px}.read-link{display:inline-block;margin-top:15px;color:var(--主题色);font-weight:700;font-size:13px}.pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:42px}.pagination a{min-width:36px;padding:6px 11px;text-align:center;border:1px solid #d4ddd3;border-radius:5px;background:#fff;font-size:13px}.pagination a.active,.pagination a:hover{background:var(--苔绿);color:#fff;border-color:var(--苔绿)}
    .footer{background:var(--墨色);color:#cbd5ce;padding:55px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer h3,.footer h4{color:#fff;margin:0 0 15px}.footer h3{font-size:21px}.footer h4{font-size:14px}.footer p{margin:6px 0;color:#aebbb2;font-size:13px}.footer-grid>div>a{display:block;color:#aebbb2;font-size:13px;margin:6px 0}.footer-grid a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #46524a;margin-top:35px;padding-top:18px;color:#8f9d94;font-size:12px}
    @media(max-width:980px){.main-nav{display:none}.header-btns{margin-left:auto}.hamburger{display:block}.member-btn{display:none}.mega-menu{width:min(620px,calc(100vw - 40px))}.mobile-drawer{display:block;position:fixed;z-index:60;top:0;right:0;width:min(360px,88vw);height:100vh;background:#fff;transform:translateX(105%);transition:.25s;overflow:auto;box-shadow:-15px 0 35px #17251c20}.mobile-drawer.open{transform:translateX(0)}.drawer-overlay{display:block;position:fixed;inset:0;background:#15201980;opacity:0;visibility:hidden;z-index:50;transition:.25s}.drawer-overlay.open{opacity:1;visibility:visible}.drawer-head{display:flex;align-items:center;gap:13px;padding:20px;border-bottom:1px solid #e6ebe6;font-weight:700}.drawer-head>a{margin-left:auto;background:var(--主题色);color:#fff;padding:5px 10px;border-radius:4px;font-size:12px}.drawer-close{border:0;background:none;font-size:27px;color:#68746b;cursor:pointer}.drawer-menu{padding:10px 20px}.drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;text-align:left;border:0;border-bottom:1px solid #edf0ec;background:none;font:inherit;color:var(--墨色);cursor:pointer}.drawer-toggle:after{content:"＋";float:right;color:#859087}.drawer-toggle.active:after{content:"－"}.drawer-submenu{display:none;padding:5px 0 8px 16px}.drawer-submenu.open{display:block}.drawer-submenu a{display:block;padding:8px 0;color:#667269;font-size:13px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:620px){.container{width:min(100% - 28px,var(--容器))}.topbar .container{display:block;padding:7px 0}.topbar .container>span{display:block}.topbar a{margin:0 14px 0 0}.header-inner{min-height:65px}.logo{font-size:16px}.open-btn{display:none}.category-page{padding:45px 0 65px}.category-intro{margin-bottom:30px}.category-intro h1{font-size:32px}.article-card{display:block}.article-cover,.article-cover img{min-height:190px;height:190px}.article-body{padding:20px}.article-body h2{font-size:20px}.footer-grid{grid-template-columns:1fr;gap:24px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}.mega-grid{grid-template-columns:1fr}}