:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #8b8b8b;
  color: #1d1d1d;
}

* { box-sizing: border-box; }

html, body { margin: 0; min-height: 100%; }

body {
  min-height: 100vh;
  background: #8b8b8b;
  display: flex;
  justify-content: center;
}

.phone-shell {
  width: 100%;
  max-width: 430px;
  min-height: 100vh;
  padding: max(16px, env(safe-area-inset-top)) 20px max(28px, env(safe-area-inset-bottom));
  background: #b90000;
  position: relative;
  overflow: hidden;
}

.hero { color: #fff; padding: 26px 10px 94px; }

.brand-mark {
  width: 56px;
  height: 56px;
  border-radius: 6px;
  margin: 0 auto 29px;
  padding-top: 6px;
  background: #e74b2e;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  line-height: 1;
  box-shadow: 0 2px 4px rgb(0 0 0 / 12%);
}

.brand-top { font-size: 22px; font-weight: 800; letter-spacing: -1px; }
.brand-name { font-size: 7px; font-weight: 800; letter-spacing: .2px; margin-top: 2px; }
.brand-sub { font-size: 6px; letter-spacing: .4px; margin-top: 3px; }

.eyebrow { margin: 0 0 12px; font-size: 10px; font-weight: 700; letter-spacing: .3px; }
.hero h1 { margin: 0; font-size: clamp(28px, 7.5vw, 34px); line-height: 1.35; letter-spacing: -.5px; }
.hero-copy { margin: 14px 0 0; font-size: 13px; line-height: 1.7; opacity: .92; }

.entry-card {
  margin: 0 0 8px;
  padding: 20px 12px 19px;
  border-radius: 16px;
  background: #fff;
  color: #202020;
  box-shadow: 0 8px 20px rgb(101 0 0 / 18%);
}

.entry-card h2 { margin: 0 0 9px; font-size: 16px; font-weight: 700; }
.entry-card p { margin: 0 0 15px; color: #777; font-size: 11px; line-height: 1.5; }

.entry-button {
  width: 100%;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: filter .15s ease, transform .15s ease;
}
.entry-button + .entry-button { margin-top: 10px; }
.entry-button:hover { filter: brightness(.96); }
.entry-button:active { transform: translateY(1px); }
.entry-button-primary { background: #fa1010; color: #fff; }
.entry-button-secondary { border: 1px solid #fa1010; color: #e60000; background: #fff; }
.arrow { position: absolute; right: 15px; font-size: 22px; font-weight: 400; line-height: 1; }

.agreement { margin: 0; text-align: center; color: rgb(255 255 255 / 86%); font-size: 10px; line-height: 1.6; }
.agreement a { color: inherit; text-underline-offset: 2px; }

@media (min-width: 600px) {
  body { padding: 28px 0; }
  .phone-shell { min-height: 720px; border-radius: 2px; }
}

@media (max-width: 360px) {
  .phone-shell { padding-left: 16px; padding-right: 16px; }
  .hero { padding-bottom: 66px; }
  .hero h1 { font-size: 27px; }
}