:root{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#23445f;background:#f7fbff}
*{box-sizing:border-box}
body{margin:0;background:linear-gradient(155deg,#f0f9ff,#fff 34%);line-height:1.85}
a{color:#2388d9;text-decoration:none}
a:hover{text-decoration:underline}
.back-link{display:inline-block;margin:24px max(24px,calc((100vw - 820px)/2));font-size:14px;font-weight:700}
v-app,v-content,v-container{display:block}
v-container{max-width:820px;margin:0 auto;padding:20px 24px 70px}
.text-h4{font-size:clamp(30px,5vw,40px);line-height:1.3;letter-spacing:-.04em;font-weight:800;color:#163858}
.text-h6{font-size:19px;font-weight:760;color:#1a4c70;line-height:1.5;margin-top:30px}
.text-muted{font-size:15px;color:#566f83;line-height:1.9}
.text-muted strong{color:#274c68}
.text-center{text-align:center}
.my-4{margin-top:18px;margin-bottom:18px}
.mb-4{margin-bottom:15px}
.mb-10{margin-bottom:35px}
.mt-2{margin-top:7px}
.mt-10{margin-top:35px}
.pb-10{padding-bottom:30px}
.text-body-2{font-size:13px}
@media(max-width:600px){v-container{padding-inline:18px}.back-link{margin-inline:18px}.text-muted{font-size:14px}}