:root{--ink:#112d47;--blue:#0878c9;--muted:#6b8091;--line:#dce5eb;--paper:#f5f8fa}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.7 Inter,"Microsoft YaHei",sans-serif}header,main,footer{max-width:1120px;margin:auto}header{height:82px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}a{color:inherit;text-decoration:none}.brand{font-size:21px;font-weight:800}.brand small,.eyebrow,small{color:var(--blue)}nav{display:flex;gap:22px;font-size:14px;color:var(--muted)}main{min-height:calc(100vh - 160px)}.hero{padding:108px 0 96px;max-width:850px}.hero>p,.eyebrow{letter-spacing:.12em;font-size:12px;font-weight:700}.hero h1,.page-head h1,.detail h1,.form h1{font-size:57px;letter-spacing:-.06em;line-height:1.15;margin:15px 0 24px}.hero em{display:block;color:var(--blue);font-style:normal}.hero span{display:block;color:var(--muted);max-width:670px;font-size:19px}.hero div{display:flex;gap:25px;align-items:center;margin-top:32px}.button,button{display:inline-block;background:var(--blue);color:#fff;border:0;border-radius:3px;padding:11px 18px;font:inherit;cursor:pointer}section{padding:70px 0}h2{font-size:36px;letter-spacing:-.04em;margin:8px 0 28px}.grid,.notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid article,.notice-grid article,.detail,.form{background:#fff;border:1px solid var(--line);padding:26px}.grid b,.notice-grid h3{font-size:20px}.grid p,.notice-grid p,.detail p{color:var(--muted)}.dark{background:#102b43;color:#fff;margin:0 calc((1120px - 100vw)/2);padding-left:max(calc((100vw - 1120px)/2),20px);padding-right:max(calc((100vw - 1120px)/2),20px)}.dark .grid article{background:#183b59;border-color:#315675}.latest{display:flex;align-items:end;justify-content:space-between;padding-bottom:28px}.page-head{padding:76px 0 32px}.detail,.form{max-width:760px;margin:72px 0}.detail p{white-space:pre-wrap}.form{display:grid;gap:14px}.form label{display:grid;gap:5px;color:var(--muted)}input,textarea,select{padding:10px;border:1px solid var(--line);font:inherit}footer{padding:28px 0;border-top:1px solid var(--line);color:var(--muted);font-size:13px}.flash{padding:12px;background:#fff0d4}@media(max-width:700px){header,main,footer{margin-left:20px;margin-right:20px}nav{gap:10px;font-size:12px}.hero{padding:70px 0}.hero h1,.page-head h1{font-size:40px}.grid,.notice-grid{grid-template-columns:1fr}.dark{margin:0 -20px;padding-left:20px;padding-right:20px}}

/* Public portal shell */
.portal-site{overflow-x:hidden}.portal-header{position:relative}.portal-header .brand{display:flex;align-items:center;gap:11px}.portal-header .brand img{width:38px;height:38px}.portal-header .brand span{display:grid;gap:1px}.portal-header .brand b{font-size:17px;letter-spacing:.02em}.portal-header .brand small{color:#7990a0;font-size:7px;letter-spacing:.11em}.portal-nav{align-items:center}.portal-nav a{transition:color .18s ease}.portal-nav a:hover{color:#0878c9}.portal-nav .portal-entry{color:#fff;background:#0d729d;border-radius:99px;padding:7px 13px}.portal-mobile-menu{display:none}.portal-footer{display:flex;align-items:center;justify-content:space-between;gap:20px}.portal-footer small{color:#8aa0ae}.portal-main{min-width:0}.portal-main .detail h1{overflow-wrap:anywhere}.portal-main input,.portal-main textarea,.portal-main select{max-width:100%}

@media(max-width:760px){
  .portal-header,.portal-main,.portal-footer{margin-left:16px;margin-right:16px}
  .portal-header{height:70px}
  .portal-header .brand img{width:35px;height:35px}
  .portal-header .brand b{font-size:15px}
  .portal-nav{display:none}
  .portal-mobile-menu{display:block;position:relative;z-index:30}
  .portal-mobile-menu summary{width:42px;height:42px;display:grid;place-content:center;gap:6px;border:1px solid #cfdae1;border-radius:50%;cursor:pointer;list-style:none}
  .portal-mobile-menu summary::-webkit-details-marker{display:none}
  .portal-mobile-menu summary i{display:block;width:16px;height:1px;background:#36556c}
  .portal-mobile-menu[open] summary{background:#102d45;border-color:#102d45}
  .portal-mobile-menu[open] summary i{background:#fff}
  .portal-mobile-menu nav{position:absolute;top:50px;right:0;width:min(292px,calc(100vw - 32px));padding:13px;display:grid;gap:0;color:#d6e4ed;background:#0b2941;border:1px solid #1d455f;border-radius:15px;box-shadow:0 20px 50px rgba(8,29,47,.28)}
  .portal-mobile-menu nav a{padding:13px 11px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #1b415a;font-size:13px}
  .portal-mobile-menu nav a:last-child{border-bottom:0}
  .portal-mobile-menu nav span{color:#55bab9;font:9px ui-monospace,monospace}
  .portal-main .page-head{padding:52px 0 25px}
  .portal-main .page-head h1,.portal-main .detail h1,.portal-main .form h1{font-size:34px;line-height:1.2}
  .portal-main .detail,.portal-main .form{width:100%;margin:38px 0;padding:22px;border-radius:10px}
  .portal-footer{align-items:flex-start;flex-direction:column;gap:4px;padding:22px 0}
}

/* Brand disclosure */
.notice-detail{max-width:900px;margin:72px auto}.notice-detail>small{font-size:11px;letter-spacing:.08em}.notice-detail>p{font-size:15px;line-height:2}.brand-declaration{margin:30px 0 14px;padding:27px 30px;display:flex;align-items:center;gap:20px;color:#fff;background:linear-gradient(120deg,#092840,#0b566c);border-radius:14px;box-shadow:0 18px 45px rgba(11,47,70,.16)}.brand-declaration img{width:76px;height:76px;padding:8px;background:#fff;border-radius:20px}.brand-declaration span{display:grid;gap:3px}.brand-declaration b{font-size:25px;letter-spacing:.04em}.brand-declaration small{color:#75d4d0;font:9px/1.5 ui-monospace,monospace;letter-spacing:.14em}.brand-name-standard{margin:0 0 30px;display:grid;grid-template-columns:1fr 2fr 1fr;border:1px solid #d9e5ea;border-radius:12px;overflow:hidden;background:#f8fbfc}.brand-name-standard div{min-width:0;padding:15px 17px;border-right:1px solid #d9e5ea}.brand-name-standard div:last-child{border-right:0}.brand-name-standard dt{color:#778c9a;font-size:9px;letter-spacing:.1em}.brand-name-standard dd{margin:5px 0 0;color:#183a51;font-size:13px;font-weight:700;overflow-wrap:anywhere}.notice-back{display:inline-flex;margin-top:12px;color:#117b91;font-weight:650}
@media(max-width:760px){.portal-main .notice-detail{margin:38px auto}.brand-declaration{margin:23px 0 12px;padding:21px 19px;gap:14px;border-radius:12px}.brand-declaration img{width:58px;height:58px;border-radius:15px}.brand-declaration b{font-size:18px}.brand-declaration small{font-size:7px;letter-spacing:.08em}.brand-name-standard{grid-template-columns:1fr;margin-bottom:23px}.brand-name-standard div{padding:12px 14px;border-right:0;border-bottom:1px solid #d9e5ea}.brand-name-standard div:last-child{border-bottom:0}.brand-name-standard dd{font-size:12px}.notice-detail>p{font-size:14px;line-height:1.9}}