:root { color-scheme: light; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #10254d; background: #f4f5f7; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; }
.topbar { background: #ad0024; color: #fff; padding: 22px clamp(20px, 5vw, 64px); }
.brand { display: flex; align-items: center; gap: 16px; font-size: 20px; font-weight: 600; }
.brand-mark { display: grid; place-items: center; width: 52px; height: 52px; flex-shrink: 0; border-radius: 13px; background: #fff; color: #ad0024; font: 36px Georgia, serif; }
main { width: min(760px, calc(100% - 40px)); margin: clamp(32px, 9vh, 96px) auto 30px; }
.test-card { overflow: hidden; border: 1px solid #dce1e9; border-radius: 22px; background: #fff; box-shadow: 0 12px 40px rgb(16 37 77 / 5%); }
.card-heading { display: flex; align-items: center; gap: 11px; padding: 22px 32px; background: #10254d; color: #fff; font-size: 15px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #fff; flex-shrink: 0; }
.card-content { padding: clamp(28px, 6vw, 54px); }
.domain { margin: 0 0 18px; color: #59677e; font-size: 12px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; overflow-wrap: anywhere; }
h1 { margin: 0 0 20px; font: 400 clamp(38px, 7vw, 58px)/1.15 Georgia, "Times New Roman", serif; }
.message { margin: 0; color: #59677e; font-size: 17px; line-height: 1.7; }
dl { margin: 36px 0 0; padding-top: 20px; border-top: 1px solid #e5e8ee; }
dl div { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; padding: 9px 0; font-size: 14px; }
dt { color: #59677e; }
dd { margin: 0; font-weight: 600; }
footer { margin-top: 24px; text-align: center; color: #59677e; font-size: 13px; }
footer span { padding: 0 8px; }
@media (max-width: 420px) { .brand { font-size: 17px; } .card-heading { padding: 20px 24px; } }