:root{--navy:#1F3864;--navy2:#2a4a80;--bg:#f5f6f8;--line:#dde1e7;--ink:#1a1a1a}
*{box-sizing:border-box}
body{margin:0;font:16px/1.65 -apple-system,Segoe UI,Arial,sans-serif;background:#fff;color:var(--ink)}
.wrap{max-width:1040px;margin:0 auto;padding:0 24px}
header{border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
a.logo{font-size:19px;font-weight:700;color:var(--navy);letter-spacing:.2px;text-decoration:none}
a.logo span{color:#8aa0c8}
header nav a{color:#555;text-decoration:none;font-size:14px;margin-left:22px}
header nav a:hover{color:var(--navy)}
header nav a.go{color:var(--navy);font-weight:600}
main{max-width:760px;margin:0 auto;padding:40px 24px 56px}
.crumb{font-size:13px;color:#889;margin:0 0 18px}
.crumb a{color:#667;text-decoration:none}
.crumb a:hover{color:var(--navy)}
h1{font-size:32px;line-height:1.2;margin:0 0 14px;color:var(--navy);letter-spacing:-.4px}
.lede{font-size:17.5px;color:#444;margin:0 0 8px}
.updated{font-size:13px;color:#999;margin:0 0 26px}
h2{font-size:22px;color:var(--navy);margin:36px 0 12px;letter-spacing:-.2px}
p,li{font-size:15.5px;color:#333}
main a{color:var(--navy)}
ol.steps{list-style:none;counter-reset:s;padding:0;margin:22px 0}
ol.steps>li{counter-increment:s;position:relative;padding:0 0 22px 52px}
ol.steps>li::before{content:counter(s);position:absolute;left:0;top:0;width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:15px}
ol.steps h3{margin:4px 0 6px;font-size:16.5px;color:var(--navy)}
ol.steps p{margin:0 0 6px}
.ui{background:#eef1f6;border:1px solid var(--line);border-radius:4px;padding:0 6px;font-size:.92em;white-space:nowrap}
.tip{background:var(--bg);border-left:3px solid var(--navy);border-radius:0 8px 8px 0;padding:12px 16px;margin:20px 0;font-size:14.5px;color:#444}
.tip b{color:var(--navy)}
.cta{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:24px;margin:40px 0 8px}
.cta h2{margin:0 0 8px}
.cta p{margin:0 0 14px;font-size:15px;color:#555}
.cta a.btn{display:inline-block;background:var(--navy);color:#fff;text-decoration:none;font-weight:600;padding:11px 22px;border-radius:6px;font-size:15px}
.cta a.btn:hover{background:var(--navy2)}
.cta .fine{font-size:12.5px;color:#888;margin:10px 0 0}
.faq details{border-bottom:1px solid var(--line);padding:12px 0}
.faq summary{font-weight:600;color:var(--navy);cursor:pointer;font-size:15px}
.faq p{margin:10px 0 0;font-size:14.5px;color:#555}
.more{margin:34px 0 0;padding-top:18px;border-top:1px solid var(--line);font-size:14px}
.more b{display:block;margin-bottom:4px;color:var(--navy)}
.more a{display:block;margin:6px 0}
.note{font-size:13px;color:#888;margin-top:26px}
footer{border-top:1px solid var(--line);padding:26px 0;font-size:13px;color:#888}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
footer a{color:#667;text-decoration:none}
footer a:hover{color:var(--navy);text-decoration:underline}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:26px 0}
a.gcard{border:1px solid var(--line);border-radius:10px;padding:18px 20px;text-decoration:none;display:block}
a.gcard:hover{border-color:var(--navy);box-shadow:0 4px 18px rgba(31,56,100,.08)}
a.gcard h3{margin:0 0 6px;font-size:16px;color:var(--navy)}
a.gcard p{margin:0;font-size:13.5px;color:#666}
#swbtn{position:fixed;right:18px;bottom:18px;width:46px;height:46px;border-radius:50%;background:var(--navy);color:#fff;font-size:22px;font-weight:700;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 16px rgba(31,56,100,.35);z-index:60;user-select:none}
#swbtn:hover{background:var(--navy2)}
#swpanel{position:fixed;right:18px;bottom:76px;width:340px;max-width:calc(100vw - 36px);background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 40px rgba(31,56,100,.25);z-index:60;display:none;font-size:14px;overflow:hidden}
#swpanel .swhead{background:var(--navy);color:#fff;padding:11px 15px;font-weight:600;font-size:14.5px}
#swpanel .swbody{padding:13px 15px;max-height:min(440px,calc(100vh - 150px));overflow-y:auto}
#swpanel .swhint{margin:0 0 9px;font-size:12px;color:#888;line-height:1.45}
#swpanel textarea{width:100%;box-sizing:border-box;height:70px;padding:9px;border:1px solid var(--line);border-radius:6px;resize:none;font:inherit;font-size:14px}
#swpanel input{width:100%;box-sizing:border-box;padding:9px;margin-top:7px;border:1px solid var(--line);border-radius:6px;font:inherit;font-size:14px}
#swpanel .swsend{width:100%;padding:10px;margin-top:9px;background:var(--navy);color:#fff;border:none;border-radius:6px;cursor:pointer;font-weight:600;font-size:14px}
#swpanel .swsend:disabled{opacity:.6;cursor:default}
#swout{margin-top:10px}
#swout .swa{background:#f4f6fa;border:1px solid var(--line);border-radius:6px;padding:10px 12px;white-space:pre-wrap;font-size:13.5px}
#swout .swn{font-size:12px;color:#888;margin-top:6px}
#swout .swe{color:#b00}
@media(max-width:640px){
 .wrap{padding:0 16px}
 header nav a{margin-left:14px;font-size:13.5px}
 h1{font-size:26px}
 main{padding:28px 16px 44px}
 .cards{grid-template-columns:1fr}
 footer .wrap{flex-direction:column;gap:6px}
}