:root {
  --ink: #171815;
  --muted: #686a63;
  --paper: #f5f0e8;
  --surface: #fffdf9;
  --green: #32ce77;
  --green-dark: #153f2b;
  --line: rgba(23, 24, 21, 0.14);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  -webkit-tap-highlight-color: transparent;
}

.page-shell {
  width: min(940px, calc(100% - 40px));
  margin: 0 auto;
  padding: 24px 0 36px;
}

.site-header {
  display: flex;
  min-height: 48px;
  align-items: center;
  margin-bottom: 22px;
}

.brand {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 780;
  letter-spacing: 0.12em;
  text-decoration: none;
}

.brand-mark {
  display: block;
  width: 34px;
  height: 34px;
}

.invite-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
}

.invite-content {
  padding: 52px 58px 36px;
}

.invite-copy {
  max-width: 760px;
  margin: 0 auto;
}

.guest-identity {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}

.guest-portrait {
  display: block;
  width: 68px;
  height: 68px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #ebe7df;
  object-fit: cover;
}

.guest-role,
.guest-name {
  margin: 0;
}

.guest-role {
  color: var(--muted);
  font-size: 11px;
  font-weight: 740;
  letter-spacing: 0.06em;
}

.guest-name {
  margin-top: 3px;
  font-family:
    "Songti SC", "STSong", "Noto Serif CJK SC", Georgia, serif;
  font-size: 25px;
  font-weight: 720;
  letter-spacing: -0.025em;
}

h1 {
  max-width: 760px;
  margin: 0 0 24px;
  font-family:
    "Songti SC", "STSong", "Noto Serif CJK SC", Georgia, serif;
  font-size: clamp(36px, 5.2vw, 58px);
  font-weight: 730;
  letter-spacing: -0.045em;
  line-height: 1.13;
}

h1 span {
  position: relative;
  z-index: 0;
  white-space: nowrap;
}

h1 span::after {
  position: absolute;
  z-index: -1;
  right: -0.04em;
  bottom: 0.07em;
  left: -0.04em;
  height: 0.24em;
  border-radius: 999px;
  background: rgba(50, 206, 119, 0.35);
  content: "";
}

.lead {
  max-width: 680px;
  margin: 0;
  color: #41423d;
  font-size: 18px;
  line-height: 1.72;
}

.lead strong {
  color: var(--ink);
  font-weight: 750;
}

.experience-summary {
  max-width: 680px;
  margin: 22px 0 0;
  border-top: 1px solid var(--line);
  padding-top: 18px;
  color: #4f514b;
  font-size: 14px;
  line-height: 1.75;
}

.experience-summary strong {
  color: var(--ink);
  font-weight: 760;
}

.experience-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  margin-left: 8px;
  border-bottom: 1px solid rgba(21, 63, 43, 0.32);
  color: var(--green-dark);
  font-weight: 730;
  text-decoration: none;
}

.experience-link:hover {
  border-color: var(--green-dark);
}

.status-notice {
  max-width: 680px;
  margin: 22px 0 0;
  border: 1px solid rgba(21, 63, 43, 0.18);
  border-radius: 12px;
  padding: 13px 15px;
  background: rgba(50, 206, 119, 0.1);
  color: var(--green-dark);
  font-size: 14px;
  line-height: 1.6;
}

.actions {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 26px;
}

.primary-button {
  display: inline-flex;
  min-height: 56px;
  align-items: center;
  justify-content: center;
  gap: 38px;
  border-radius: 999px;
  padding: 0 26px 0 30px;
  background: var(--ink);
  color: white;
  font-size: 16px;
  font-weight: 760;
  text-decoration: none;
  transition:
    transform 160ms ease,
    background 160ms ease;
}

.primary-button:hover {
  transform: translateY(-2px);
  background: #252720;
}

.primary-button:active {
  transform: translateY(0);
}

.primary-button span {
  font-size: 22px;
  font-weight: 400;
}

.primary-button[aria-disabled="true"] {
  pointer-events: none;
  opacity: 0.48;
}

.member-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  border-bottom: 1px solid rgba(23, 24, 21, 0.35);
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  transition:
    border-color 160ms ease,
    color 160ms ease;
}

.member-link:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.next-step {
  max-width: 680px;
  margin: 14px 0 0;
  color: #77786f;
  font-size: 12px;
  line-height: 1.6;
}

.cover-wrap {
  padding: 0 12px 12px;
}

.cover-link {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 16px;
  color: white;
  text-decoration: none;
}

.cover-link:focus-visible,
.brand:focus-visible,
.primary-button:focus-visible,
.experience-link:focus-visible,
.member-link:focus-visible {
  outline: 3px solid rgba(21, 63, 43, 0.42);
  outline-offset: 3px;
}

.event-cover {
  display: block;
  width: 100%;
  height: auto;
  transition:
    filter 160ms ease,
    transform 160ms ease;
}

.cover-link:hover .event-cover {
  filter: brightness(0.96);
  transform: scale(1.002);
}

.cover-link-label {
  position: absolute;
  right: 12px;
  bottom: 12px;
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 7px;
  border-radius: 999px;
  padding: 0 15px;
  background: rgba(23, 24, 21, 0.86);
  color: white;
  font-size: 13px;
  font-weight: 720;
}

.cover-link-label > span {
  font-size: 18px;
}

.fine-print {
  margin: 16px 0 0;
  color: #77786f;
  font-size: 12px;
  text-align: center;
}

@media (max-width: 850px) {
  .page-shell {
    width: min(100% - 24px, 680px);
    padding-top: 14px;
  }

  .site-header {
    margin-bottom: 12px;
  }

  .invite-card {
    border-radius: 20px;
  }

  .invite-content {
    padding: 34px 28px 28px;
  }

  h1 {
    font-size: clamp(34px, 9.2vw, 46px);
  }

  .lead {
    font-size: 16px;
    line-height: 1.68;
  }

  .cover-wrap {
    padding: 0 8px 8px;
  }
}

@media (max-width: 520px) {
  .page-shell {
    width: calc(100% - 20px);
  }

  .brand {
    font-size: 11px;
  }

  .brand-mark {
    width: 31px;
    height: 31px;
  }

  .invite-content {
    padding: 26px 20px 22px;
  }

  .guest-identity {
    gap: 12px;
    margin-bottom: 19px;
  }

  .guest-portrait {
    width: 60px;
    height: 60px;
  }

  .guest-name {
    font-size: 22px;
  }

  h1 {
    margin-bottom: 20px;
    font-size: clamp(31px, 9vw, 37px);
    line-height: 1.15;
  }

  h1 br {
    display: none;
  }

  .experience-summary {
    margin-top: 18px;
    padding-top: 15px;
    font-size: 13px;
  }

  .experience-link {
    margin-left: 0;
  }

  .actions {
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
    margin-top: 22px;
  }

  .primary-button {
    width: 100%;
  }

  .member-link {
    align-self: center;
  }

  .next-step {
    margin-top: 10px;
    text-align: center;
  }

  .cover-link-label {
    right: 8px;
    bottom: 8px;
    min-height: 40px;
    padding: 0 12px;
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}