:root{--theme:#0B3D91;--ink:#172033;--muted:#667085;--line:#dfe5ee;--paper:#f7f9fc;--white:#fff;--shadow:0 16px 40px rgba(20,42,78,.10);--radius:14px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:#fff;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}
button{font:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.skip-link{position:absolute;left:-9999px;top:10px;z-index:1000;padding:8px 14px;background:var(--theme);color:#fff}
.skip-link:focus{left:10px}
.topbar{background:#10213f;color:#dbe7fb;font-size:13px}
.topbar-inner{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.topbar a{color:#fff;margin-left:18px}
.header{position:relative;z-index:30;background:#fff;border-bottom:1px solid var(--line)}
.header-inner{min-height:76px;display:flex;align-items:center;gap:28px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;white-space:nowrap;color:var(--theme)}
.logo img{width:38px;height:38px;object-fit:contain}
.logo span{font-size:19px}
.main-nav{margin-left:auto}
.nav-list{display:flex;align-items:stretch;gap:4px;list-style:none;margin:0;padding:0}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;min-height:76px;padding:0 14px;font-size:15px;font-weight:600;color:#26344b}
.nav-link:hover,.nav-link:focus{color:var(--theme)}
.has-arrow:after{content:"";width:6px;height:6px;margin:0 0 3px 8px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg)}
.dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;opacity:0;visibility:hidden;transform:translate(-50%,8px);transition:.2s ease;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:0 0 14px 14px}
.dropdown-panel{width:260px;padding:12px}
.dropdown-panel a{display:block;padding:10px 12px;border-bottom:1px solid #edf0f5;font-size:14px}
.dropdown-panel a:last-child{border-bottom:0}
.dropdown-panel .dropdown-more,.mega-footer{color:var(--theme);font-weight:700}
.mega-menu{width:560px;overflow:hidden}
.mega-wide{width:min(850px,calc(100vw - 40px))}
.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:translate(-50%,0)}
.nav-item>.dropdown-panel:before,.nav-item>.mega-menu:before{content:"";position:absolute;left:0;right:0;top:-14px;height:14px}
.mega-inner{padding:22px}
.mega-heading{display:flex;justify-content:space-between;align-items:baseline;gap:18px;margin-bottom:16px}
.mega-heading strong{font-size:17px;color:var(--theme)}
.mega-heading span{font-size:12px;color:var(--muted)}
.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.mega-card{min-width:0;padding:12px;border:1px solid #e8edf4;border-radius:10px;background:#fbfcfe}
.mega-card:hover{border-color:#a9bddc;background:#f3f7fd}
.mega-card img{width:38px;height:38px;object-fit:contain;margin-bottom:8px}
.mega-card strong{display:block;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mega-card p{margin:5px 0 0;color:var(--muted);font-size:12px;line-height:1.5}
.mega-meta{display:flex;flex-wrap:wrap;gap:5px 10px;color:#718096;font-size:11px;margin-top:7px}
.mega-categories{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 16px}
.mega-categories a{padding:4px 10px;border-radius:20px;background:#eef4fc;color:var(--theme);font-size:12px}
.mega-footer{display:block;padding:13px 22px;border-top:1px solid var(--line);background:#f8fbff;font-size:13px}
.header-btns{display:flex;align-items:center;gap:12px}
.open-account{padding:9px 14px;border-radius:7px;background:var(--theme);color:#fff;font-size:13px;font-weight:700}
.hamburger{display:none;border:0;background:transparent;padding:8px;cursor:pointer}
.hamburger span{display:block;width:23px;height:2px;margin:4px 0;background:var(--ink);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:rgba(11,26,50,.48);z-index:80}
.mobile-drawer{position:fixed;top:0;right:-360px;width:min(360px,88vw);height:100vh;z-index:90;background:#fff;transition:right .25s ease;overflow:auto;box-shadow:-12px 0 35px rgba(0,0,0,.15)}
.mobile-drawer.open{right:0}
.drawer-overlay.open{display:block}
.drawer-head{display:flex;align-items:center;gap:12px;padding:18px;border-bottom:1px solid var(--line);color:var(--theme);font-weight:700}
.drawer-head>a{margin-left:auto;padding:6px 10px;border-radius:5px;background:var(--theme);color:#fff;font-size:13px}
.drawer-close{border:0;background:transparent;font-size:28px;line-height:1;color:#67748a;cursor:pointer}
.drawer-menu{padding:8px 18px 30px}
.drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 0;border:0;border-bottom:1px solid #edf0f5;background:transparent;text-align:left;color:var(--ink);font-size:15px;cursor:pointer}
.drawer-toggle:after{content:"+";float:right;color:var(--theme);font-size:19px}
.drawer-toggle.active:after{content:"−"}
.drawer-submenu{display:none;padding:4px 0 8px 14px}
.drawer-submenu.open{display:block}
.drawer-submenu a{display:block;padding:8px 0;color:var(--muted);font-size:14px}
body.drawer-locked{overflow:hidden}
.tag-index-page{min-height:560px;background:linear-gradient(180deg,#f7f9fc 0,#fff 60%)}
.tag-index-page .page-hero{padding:76px 0 48px;text-align:center}
.tag-index-page .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--theme);font-size:13px;font-weight:800;letter-spacing:.12em}
.tag-index-page .eyebrow:before{content:"";width:28px;height:2px;background:var(--theme)}
.tag-index-page h1{margin:15px 0 10px;font-size:clamp(32px,5vw,54px);line-height:1.15;letter-spacing:-.04em}
.tag-index-page .intro{max-width:650px;margin:0 auto;color:var(--muted);font-size:16px}
.tag-index-page .tag-section{padding:0 0 88px}
.tag-index-page .section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}
.tag-index-page .section-head h2{margin:0;font-size:22px}
.tag-index-page .section-head p{margin:0;color:var(--muted);font-size:13px}
.tag-cloud{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;padding:38px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow)}
.tag-cloud a{display:inline-flex;align-items:center;gap:8px;padding:11px 17px;border:1px solid #d8e1ef;border-radius:999px;background:#f8fbff;color:#24436f;font-size:15px;transition:.2s ease}
.tag-cloud a:nth-child(3n){font-size:18px}
.tag-cloud a:nth-child(4n){background:#fff5f2;border-color:#f0c8be;color:#a64232}
.tag-cloud a:nth-child(5n){font-size:13px;background:#f1f6ec;border-color:#d2e4c4;color:#416b35}
.tag-cloud a:hover{transform:translateY(-3px);background:var(--theme);border-color:var(--theme);color:#fff}
.tag-cloud em{font-style:normal;font-size:11px;opacity:.7}
.footer{background:#101d34;color:#c8d2e2}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:42px;padding:55px 0 42px}
.footer .logo{color:#fff}
.footer .logo img{filter:brightness(0) invert(1)}
.footer-brand p{max-width:300px;margin:18px 0 0;color:#9eacc1;font-size:13px}
.footer h2{margin:0 0 16px;color:#fff;font-size:15px}
.footer-links,.footer-contact{display:flex;flex-direction:column;gap:9px;font-size:13px}
.footer-links a,.footer-contact a{color:#aebbd0}
.footer-links a:hover,.footer-contact a:hover{color:#fff}
.social-link{color:#aebbd0}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-top:1px solid rgba(255,255,255,.12);color:#91a0b7;font-size:12px}
.footer-bottom-links{display:flex;gap:18px}
@media(max-width:980px){
  .main-nav{display:none}
  .hamburger{display:block}
  .header-btns{margin-left:auto}
  .footer-main{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:620px){
  .container{width:min(100% - 28px,1180px)}
  .topbar-inner{padding:8px 0;align-items:flex-start;flex-direction:column;gap:2px}
  .topbar a{margin:0 14px 0 0}
  .header-inner{min-height:66px}
  .logo span{font-size:16px}
  .open-account{display:none}
  .tag-index-page .page-hero{padding:54px 0 34px}
  .tag-index-page .tag-section{padding-bottom:58px}
  .tag-cloud{padding:24px 16px;gap:10px}
  .tag-cloud a{padding:9px 12px;font-size:13px}
  .tag-cloud a:nth-child(3n){font-size:15px}
  .footer-main{grid-template-columns:1fr;gap:28px;padding:40px 0 30px}
  .footer-bottom{flex-direction:column}
}