:root{--theme:#0B3D91;--ink:#142238;--muted:#667085;--line:#e5eaf1;--soft:#f5f8fc;--white:#fff;--shadow:0 14px 38px rgba(18,44,82,.10)}
    *{box-sizing:border-box}html,body{margin:0;padding:0;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;background:#fff}body.drawer-locked{overflow:hidden}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{background:#0e1b2f;color:#c8d3e2;font-size:13px}.topbar-inner{height:36px;display:flex;align-items:center;justify-content:space-between}.topbar-contact{display:flex;gap:22px}.topbar a:hover{color:#fff}
    .header{height:76px;background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:20}.header-inner{height:76px;display:flex;align-items:center;gap:38px}.logo{display:flex;align-items:center;gap:10px;font-weight:800;white-space:nowrap;color:var(--ink)}.logo img{width:34px;height:34px;object-fit:contain}.logo span{font-size:18px}.main-nav{margin-left:auto}.nav-list{list-style:none;padding:0;margin:0;display:flex;align-items:center;gap:4px}.nav-item{position:relative}.nav-link{display:block;padding:29px 13px;font-size:14px;color:#344054;white-space:nowrap}.nav-link:hover,.nav-link:focus{color:var(--theme)}.has-arrow:after{content:"";display:inline-block;width:6px;height:6px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg);margin:0 0 3px 7px}.dropdown-panel,.mega-menu{position:absolute;left:50%;top:100%;transform:translateX(-50%);padding-top:10px;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.dropdown-panel{width:310px}.mega-menu{width:780px}.nav-item:hover>.dropdown-panel,.nav-item:hover>.mega-menu,.nav-item:focus-within>.dropdown-panel,.nav-item:focus-within>.mega-menu{opacity:1;visibility:visible;pointer-events:auto}.dropdown-panel:before,.mega-menu:before{content:"";position:absolute;top:0;left:0;right:0;height:12px}.dropdown-shell,.mega-shell{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:22px}.dropdown-title,.mega-title{margin:0 0 14px;font-size:13px;color:var(--theme);font-weight:700}.dropdown-list{display:grid;gap:11px}.dropdown-list a,.mega-category-links a{font-size:14px;color:#475467}.dropdown-list a:hover,.mega-category-links a:hover{color:var(--theme)}.mega-layout{display:grid;grid-template-columns:175px 1fr;gap:26px}.mega-category-links{display:grid;gap:12px}.mega-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.mega-card{display:flex;gap:10px;padding:10px;border:1px solid #edf0f5;border-radius:10px;min-width:0}.mega-card:hover{border-color:#adc2e5;background:#f8fbff}.mega-card img{width:34px;height:34px;object-fit:contain;flex:none}.mega-card strong{display:block;font-size:13px;margin-bottom:5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mega-card span{font-size:11px;color:#667085;line-height:1.55}.mega-stats{display:flex!important;flex-wrap:wrap;gap:3px 8px}.mega-summary{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px}.mega-footer{display:block;border-top:1px solid var(--line);margin-top:18px;padding-top:15px;color:var(--theme);font-size:13px;font-weight:700}
    .header-btns{display:flex;align-items:center;gap:14px;font-size:13px;white-space:nowrap}.header-btns>a{border:1px solid #c8d5e8;color:var(--theme);padding:9px 14px;border-radius:7px}.header-btns>a:hover{background:#edf4ff}.hamburger{display:none;border:0;background:none;padding:8px;cursor:pointer}.hamburger span{width:23px;height:2px;background:var(--ink);display:block;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{position:fixed;inset:0;background:rgba(7,20,40,.52);opacity:0;visibility:hidden;z-index:40;transition:.2s}.drawer-overlay.open{opacity:1;visibility:visible}.mobile-drawer{position:fixed;z-index:41;right:-360px;top:0;bottom:0;width:min(360px,88vw);background:#fff;transition:.25s;overflow:auto}.mobile-drawer.open{right:0}.drawer-head{height:72px;padding:0 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:16px;font-weight:700}.drawer-head>a{margin-left:auto;color:var(--theme);font-size:14px}.drawer-close{font-size:28px;line-height:1;border:0;background:none;color:#667085;cursor:pointer}.drawer-menu{padding:10px 20px 35px}.drawer-link,.drawer-toggle{width:100%;display:block;padding:15px 0;border:0;border-bottom:1px solid #edf0f4;background:none;text-align:left;font-size:15px;color:var(--ink);cursor:pointer}.drawer-toggle:after{content:"+";float:right;color:#98a2b3}.drawer-toggle.active{color:var(--theme)}.drawer-toggle.active:after{content:"−"}.drawer-submenu{display:none;padding:5px 0 8px 14px}.drawer-submenu.open{display:grid}.drawer-submenu a{padding:9px 0;color:#667085;font-size:14px}
    .footer{margin-top:70px;background:#101d30;color:#bec9d8}.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:42px;padding:52px 0 42px}.footer .logo{color:#fff}.footer-brand p{font-size:13px;line-height:1.9;max-width:310px;color:#aebacc}.footer h3{color:#fff;font-size:15px;margin:4px 0 18px}.footer-links{display:grid;gap:11px;font-size:13px}.footer-links a:hover{color:#fff}.footer-contact{display:grid;gap:12px;font-size:13px;line-height:1.7}.footer-contact a{color:#dbe5f2}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;display:flex;justify-content:space-between;gap:15px;font-size:12px;color:#8e9db2}
    .productlist-main{padding:52px 0 10px;background:linear-gradient(180deg,#f7faff 0,#fff 420px)}.page-heading{text-align:center;max-width:730px;margin:0 auto 38px}.eyebrow{color:var(--theme);font-size:13px;font-weight:700;letter-spacing:.12em;margin:0 0 12px}.page-heading h1{font-size:clamp(30px,4vw,46px);line-height:1.2;margin:0 0 15px;color:#10213c}.page-heading p{margin:0;color:var(--muted);line-height:1.85;font-size:15px}.category-strip{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin:0 auto 38px}.category-strip a{border:1px solid #d9e2ef;background:#fff;padding:10px 18px;border-radius:30px;font-size:13px;color:#536174;transition:.2s}.category-strip a:hover,.category-strip a.active{background:var(--theme);border-color:var(--theme);color:#fff}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.product-card{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden;box-shadow:0 5px 20px rgba(15,40,75,.045);display:flex;flex-direction:column;min-width:0;transition:.2s}.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#b8cbe7}.product-cover{height:190px;background:#eef4fb;display:flex;align-items:center;justify-content:center;overflow:hidden}.product-cover img{width:100%;height:100%;object-fit:cover}.product-card-body{padding:21px;display:flex;flex-direction:column;flex:1}.product-card h2{font-size:19px;line-height:1.4;margin:0 0 10px;color:#172b4d}.product-summary{font-size:14px;color:#667085;line-height:1.8;margin:0 0 17px;min-height:50px}.product-meta{display:flex;justify-content:space-between;gap:10px;color:#8a96a8;font-size:12px;border-top:1px solid #edf0f4;padding-top:14px;margin-top:auto}.product-more{display:inline-flex;margin-top:17px;color:var(--theme);font-size:13px;font-weight:700;align-items:center;gap:6px}.product-more:after{content:"→";font-size:17px}.pagination{display:flex;justify-content:center;gap:8px;margin:42px 0 4px;flex-wrap:wrap}.pagination a{min-width:36px;height:36px;padding:0 12px;border:1px solid #d9e2ef;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;color:#536174;font-size:13px;background:#fff}.pagination a:hover,.pagination a.active{background:var(--theme);color:#fff;border-color:var(--theme)}
    @media(max-width:1120px){.main-nav{display:none}.header-inner{justify-content:space-between}.header-btns{margin-left:auto}.hamburger{display:block}.footer-main{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:720px){.container{width:min(100% - 28px,1180px)}.topbar-inner{height:auto;min-height:36px;padding:8px 0;gap:8px;align-items:flex-start}.topbar-contact{gap:10px;flex-direction:column;text-align:right}.header,.header-inner{height:66px}.header-inner{gap:10px}.logo span{font-size:16px}.header-btns{gap:7px}.header-btns>a{padding:8px 10px}.productlist-main{padding-top:38px}.page-heading{margin-bottom:28px}.page-heading h1{font-size:31px}.category-strip{justify-content:flex-start}.category-strip a{padding:8px 13px}.product-grid{grid-template-columns:1fr;gap:16px}.product-cover{height:180px}.footer-main{grid-template-columns:1fr;gap:28px;padding:38px 0}.footer-bottom{display:block;line-height:2}.footer-bottom span{display:block}.mega-menu,.dropdown-panel{display:none}}