:root{--theme:#0B3D91;--ink:#172033;--muted:#667085;--line:#e6eaf0;--bg:#f5f7fb;--white:#fff;--accent:#c99738}
    *{box-sizing:border-box}html,body{margin:0;padding:0;color:var(--ink);background:var(--bg);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{background:#101827;color:#cbd5e1;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{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:20}.header-inner{height:78px;display:flex;align-items:center;gap:32px}.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;white-space:nowrap;color:var(--theme)}.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:27px 13px;font-size:15px;white-space:nowrap}.nav-link:hover{color:var(--theme)}.has-arrow:after{content:"⌄";font-size:12px;margin-left:6px;color:#8791a1}.header-btns{display:flex;align-items:center;gap:13px}.member-entry{color:var(--theme);font-weight:700;font-size:14px}.account-entry{background:var(--theme);color:#fff;padding:9px 16px;border-radius:5px;font-size:14px}.hamburger{display:none;border:0;background:transparent;padding:7px;cursor:pointer}.hamburger span{display:block;width:24px;height:2px;background:#182230;margin:5px 0;transition:.2s}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% - 1px);left:50%;transform:translateX(-50%);background:#fff;border:1px solid var(--line);box-shadow:0 18px 45px #14213d1c;border-radius:0 0 10px 10px;padding:22px;opacity:0;visibility:hidden;transition:.18s;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{opacity:1;visibility:visible}.dropdown-panel{width:330px}.dropdown-title,.mega-head strong{display:block;margin:0 0 4px;color:var(--theme);font-size:16px}.dropdown-list{display:grid;gap:8px;padding:12px 0}.dropdown-list a{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dropdown-list a:hover,.mega-categories a:hover{color:var(--theme)}.dropdown-more,.mega-footer{border-top:1px solid var(--line);padding-top:12px;display:flex;justify-content:space-between;color:var(--theme);font-size:13px}.mega-menu{width:760px}.mega-head{display:flex;align-items:baseline;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:13px;margin-bottom:14px}.mega-head span{font-size:12px;color:var(--muted)}.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.mega-card{border:1px solid var(--line);border-radius:8px;padding:11px;min-width:0;background:#fff}.mega-card:hover{border-color:#adc0e3;box-shadow:0 5px 16px #0b3d9112}.mega-card img{width:34px;height:34px;object-fit:contain;margin-bottom:7px}.mega-card img.cover{width:100%;height:76px;object-fit:cover;border-radius:5px}.mega-card strong{display:block;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mega-card p{font-size:12px;color:var(--muted);margin:4px 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.mega-meta{display:flex;flex-wrap:wrap;gap:8px;color:#7c8798;font-size:11px;margin-top:5px}.mega-categories{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 15px}.mega-categories a{background:#f0f4fa;padding:4px 10px;border-radius:20px;font-size:12px}.mega-products{width:800px}.mega-tools{width:700px}
    .mobile-drawer{position:fixed;right:-360px;top:0;width:min(360px,88vw);height:100vh;background:#fff;z-index:60;transition:right .25s;box-shadow:-12px 0 35px #10182824;overflow:auto}.mobile-drawer.open{right:0}.drawer-overlay{position:fixed;inset:0;background:#0b122699;opacity:0;visibility:hidden;z-index:50;transition:.2s}.drawer-overlay.open{opacity:1;visibility:visible}.drawer-head{height:72px;padding:0 20px;display:flex;align-items:center;gap:16px;border-bottom:1px solid var(--line);color:var(--theme);font-weight:700}.drawer-head a{margin-left:auto;background:var(--theme);color:#fff;padding:6px 13px;border-radius:4px;font-size:13px}.drawer-close{background:none;border:0;font-size:28px;color:#64748b;cursor:pointer}.drawer-menu{padding:12px 20px 30px}.drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 4px;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(--theme)}.drawer-toggle.active:after{content:"－"}.drawer-submenu{display:none;padding:5px 0 8px 15px}.drawer-submenu.open{display:block}.drawer-submenu a{display:block;padding:8px 0;color:var(--muted);font-size:14px}
    .tag-page{padding:48px 0 76px;min-height:560px}.tag-heading{text-align:center;margin-bottom:30px}.eyebrow{color:var(--theme);font-size:13px;font-weight:700;letter-spacing:2px}.tag-heading h1{font-size:clamp(28px,4vw,46px);margin:8px 0;color:#111c32}.tag-heading p{margin:0 auto;color:var(--muted);max-width:650px}.tag-summary{display:flex;justify-content:center;gap:12px;margin-top:16px;color:#65738a;font-size:14px}.tag-summary b{color:var(--theme)}.tag-content{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px}.tag-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.tag-article{display:grid;grid-template-columns:180px 1fr;gap:17px;padding:15px;border:1px solid var(--line);border-radius:10px;background:#fff;transition:.2s}.tag-article:hover{transform:translateY(-3px);box-shadow:0 10px 24px #16213d12;border-color:#bdcceb}.tag-article img{width:180px;height:122px;object-fit:cover;border-radius:7px;background:#e9eef6}.tag-article h2{font-size:17px;line-height:1.45;margin:5px 0 7px;color:#17233a}.tag-article h2 a:hover{color:var(--theme)}.article-label{display:inline-block;font-size:11px;color:var(--theme);background:#edf3ff;padding:3px 8px;border-radius:3px}.tag-article p{font-size:13px;color:#687589;margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.article-meta{display:flex;flex-wrap:wrap;gap:10px;color:#8a95a5;font-size:11px}.read-link{display:inline-block;color:var(--theme);font-size:13px;font-weight:700;margin-top:9px}.pagination{display:flex;justify-content:center;gap:7px;margin-top:30px;flex-wrap:wrap}.pagination a{padding:7px 13px;background:#f0f3f8;border-radius:5px;color:#59677b;font-size:13px}.pagination a.active,.pagination a:hover{background:var(--theme);color:#fff}
    .footer{background:#111b2c;color:#b7c2d3}.footer-main{display:grid;grid-template-columns:1.45fr 1fr 1fr 1.1fr;gap:38px;padding:52px 0 42px}.footer .logo{color:#fff}.footer-brand p{font-size:13px;max-width:300px;color:#9eabbf}.footer h3{font-size:15px;color:#fff;margin:3px 0 15px}.footer-links{display:grid;gap:8px;font-size:13px}.footer-links a:hover,.footer-contact a:hover{color:#fff}.footer-contact{display:grid;gap:8px;font-size:13px}.footer-social{color:#9eabbf}.footer-bottom{border-top:1px solid #29354a;font-size:12px;color:#8997ac}.footer-bottom-inner{display:flex;justify-content:space-between;gap:15px;padding:17px 0}
    @media(max-width:1000px){.main-nav{display:none}.hamburger{display:block}.header-inner{justify-content:space-between}.header-btns{margin-left:auto}.footer-main{grid-template-columns:repeat(2,1fr)}.mega-menu{display:none}}
    @media(max-width:680px){.container{width:min(100% - 28px,1180px)}.topbar-inner{padding:8px 0;align-items:flex-start;gap:8px}.topbar-contact{gap:8px;flex-direction:column;text-align:right}.header-inner{height:66px;gap:10px}.member-entry{display:none}.account-entry{padding:7px 10px}.tag-page{padding:32px 0 50px}.tag-content{padding:13px}.tag-list{grid-template-columns:1fr}.tag-article{grid-template-columns:105px 1fr;gap:12px;padding:11px}.tag-article img{width:105px;height:90px}.tag-article h2{font-size:15px;margin-top:4px}.tag-article p{-webkit-line-clamp:2;font-size:12px}.article-meta{gap:6px;font-size:10px}.footer-main{grid-template-columns:1fr;gap:25px;padding:35px 0}.footer-bottom-inner{display:block;line-height:2}.footer-bottom-inner span{display:block}}