:root{color-scheme:dark;font-family:Inter,Arial,sans-serif;background:#101114;color:#f0f1f3}
*{box-sizing:border-box}body{margin:0}a{color:inherit}header,main{max-width:960px;margin:0 auto}
header{display:flex;align-items:center;justify-content:space-between;padding:24px 8px;border-bottom:1px solid #31343c}
strong{font-size:19px;letter-spacing:.02em}header a{font-size:14px;color:#d9dce3}main{padding:58px 8px 64px}
.intro{max-width:590px;margin-bottom:32px}h1{font-size:clamp(36px,7vw,60px);line-height:1.05;margin:0 0 16px;letter-spacing:-.05em}
p{line-height:1.55;color:#b9bdc7;margin:0 0 12px}section{overflow:hidden;border:1px solid #373a42;background:#181a20;border-radius:16px}
.mailhead,.message,.body{padding:20px 22px}.mailhead{display:flex;gap:14px;align-items:center;justify-content:space-between}
h2,h3{margin:0}h2{font-size:19px}h3{font-size:17px}.message,.body{border-top:1px solid #373a42}
.body{background:#14161b}.body p:last-child{margin-bottom:0}summary p{font-size:14px;margin:4px 0 0}
button{border:1px solid #555a69;color:#f0f1f3;background:#292c34;padding:10px 14px;border-radius:9px;font:inherit;cursor:pointer}
button:hover{background:#373b47}summary{cursor:pointer}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid #d4e2ff;outline-offset:4px}
.status{font-size:14px;padding:4px 22px 8px}.address{overflow-wrap:anywhere}footer{margin-top:20px;font-size:14px}
@media (max-width:990px){header,main{margin:0 20px}}@media (max-width:480px){.mailhead,.message,.body{padding:16px}main{padding-top:42px}}