:root{
  --theme:#0B3D91;
  --ink:#10233f;
  --muted:#687891;
  --line:#dce5f0;
  --pale:#f2f6fb;
  --white:#fff;
  --shadow:0 18px 48px rgba(16,43,82,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:#f7faff;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(1180px,calc(100% - 40px));margin:auto}


.topbar{background:#092c69;color:#dfeaff;font-size:13px}
.topbar .container{height:36px;display:flex;align-items:center;justify-content:space-between}
.topbar a{color:#fff}
.contact{opacity:.9}


.header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
.header-inner{height:76px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:10px;white-space:nowrap;font-weight:800;color:var(--theme);font-size:19px}
.logo img{width:35px;height:35px;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-list>li{position:relative}
.nav-link{display:flex;align-items:center;padding:26px 13px;font-size:14px;color:#273b59;white-space:nowrap}
.nav-link:hover,.nav-link:focus{color:var(--theme)}
.has-arrow:after{content:"";width:6px;height:6px;margin:0 0 3px 8px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg)}
.dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translate(-50%,8px);opacity:0;visibility:hidden;pointer-events:none;background:#fff;border:1px solid var(--line);border-radius:0 0 14px 14px;box-shadow:var(--shadow);transition:.2s ease;z-index:30}
.dropdown-panel{width:290px;padding:18px}
.mega-menu{width:650px;padding:22px}
.nav-list>li:hover>.dropdown-panel,.nav-list>li:focus-within>.dropdown-panel,
.nav-list>li:hover>.mega-menu,.nav-list>li:focus-within>.mega-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,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;color:var(--theme);font-size:15px;font-weight:800}
.drop-item{display:block;padding:8px 4px;border-bottom:1px solid #eef3f8;font-size:13px}
.drop-item:hover{color:var(--theme)}
.mega-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.mega-card{display:grid;grid-template-columns:34px 1fr;column-gap:9px;padding:12px;border:1px solid #e7edf5;border-radius:10px;background:#fbfdff}
.mega-card:hover{border-color:#9ab4d9;background:#f5f8fd}
.mega-card img{width:30px;height:30px;object-fit:contain;grid-row:span 2}
.mega-card strong{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mega-card small{grid-column:2;color:var(--muted);font-size:11px;line-height:1.5}
.mega-footer{display:inline-block;margin:15px 12px 0 0;color:var(--theme);font-size:13px;font-weight:700}

.header-btns{display:flex;align-items:center;gap:13px;white-space:nowrap;font-size:13px}
.open-account{background:var(--theme);color:#fff;border-radius:7px;padding:8px 15px}
.hamburger{display:none;width:40px;height:38px;border:1px solid var(--line);border-radius:7px;background:#fff;cursor:pointer;padding:8px}
.hamburger span{display:block;height:2px;margin:4px 0;background:var(--theme);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(7,27,57,.48);opacity:0;visibility:hidden;transition:.25s;z-index:40}
.drawer-overlay.open{opacity:1;visibility:visible}
.mobile-drawer{position:fixed;top:0;right:0;width:min(390px,88vw);height:100vh;background:#fff;transform:translateX(100%);transition:.3s;z-index:41;overflow:auto}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;gap:13px;padding:20px;border-bottom:1px solid var(--line);color:var(--theme);font-weight:800}
.drawer-head>a{margin-left:auto;background:var(--theme);color:#fff;padding:5px 12px;border-radius:5px;font-size:13px}
.drawer-close{border:0;background:transparent;font-size:28px;color:var(--muted);cursor:pointer}
.drawer-menu{padding:12px 20px 30px}
.drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid #edf1f6;background:transparent;text-align:left;color:var(--ink);font:inherit;cursor:pointer}
.drawer-toggle:after{content:"+";float:right;color:var(--theme);font-size:20px}
.drawer-toggle.active:after{content:"−"}
.drawer-submenu{display:none;padding:4px 0 8px 15px}
.drawer-submenu.open{display:block}
.drawer-submenu a{display:block;padding:8px 0;color:var(--muted);font-size:14px}


.tag-index-page{padding:72px 0 92px;min-height:600px}
.tag-index-page .page-heading{text-align:center;max-width:700px;margin:0 auto 42px}
.tag-index-page .eyebrow{display:inline-block;color:var(--theme);background:#e7effb;border-radius:999px;padding:5px 14px;font-size:13px;font-weight:700}
.tag-index-page h1{margin:15px 0 10px;font-size:clamp(30px,5vw,48px);letter-spacing:-1px}
.tag-index-page .lead{margin:0;color:var(--muted);font-size:16px}
.tag-cloud-panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:var(--shadow)}
.tag-cloud{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:14px 16px}
.tag-cloud a{display:inline-flex;align-items:center;gap:7px;border:1px solid #cbd9eb;border-radius:999px;padding:10px 17px;background:#f8fbff;color:#24466f;transition:.2s}
.tag-cloud a:hover{background:var(--theme);border-color:var(--theme);color:#fff;transform:translateY(-2px)}
.tag-cloud .count{font-size:12px;color:#8091a9}
.tag-cloud a:hover .count{color:#dfeaff}
.tag-tip{margin:30px 0 0;padding:18px 20px;border-left:3px solid var(--theme);background:#f3f7fc;color:var(--muted);font-size:14px}
.tag-index-page .tag-actions{display:flex;justify-content:center;gap:12px;margin-top:30px}
.tag-actions a{border:1px solid var(--theme);border-radius:7px;padding:9px 18px;color:var(--theme);font-size:14px}
.tag-actions a.primary{background:var(--theme);color:#fff}


.footer{background:#0b2348;color:#c9d6e8;padding:52px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}
.footer h3,.footer h4{color:#fff;margin:0 0 15px}
.footer h3{font-size:20px}
.footer h4{font-size:14px}
.footer p{margin:7px 0;font-size:13px}
.footer-grid a{display:block;color:#c9d6e8;font-size:13px;margin:7px 0}
.footer-grid a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:35px;padding-top:18px;text-align:center;font-size:12px;color:#9db0c9}


@media(max-width:980px){
  .main-nav{display:none}
  .header-btns{margin-left:auto}
  .hamburger{display:block}
}
@media(max-width:680px){
  .container{width:min(100% - 28px,1180px)}
  .topbar .container{height:auto;min-height:36px;padding:7px 0;display:block}
  .contact{display:block}
  .header-inner{height:66px}
  .header-btns>span{display:none}
  .mega-menu{width:min(90vw,650px)}
  .tag-index-page{padding:48px 0 65px}
  .tag-cloud-panel{padding:22px 16px}
  .tag-cloud{gap:10px}
  .tag-cloud a{padding:8px 12px;font-size:13px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
}
@media(max-width:430px){
  .footer-grid{grid-template-columns:1fr}
  .open-account{padding:7px 10px}
}