:root {
  --teal-950: #052f2d;
  --teal-900: #073f3c;
  --teal-800: #0a5651;
  --teal-700: #0d716a;
  --teal-600: #168b82;
  --teal-100: #cfe9e2;
  --teal-50: #edf8f5;
  --coral: #e98479;
  --gold: #c48b2e;
  --paper: #fffdf8;
  --ink: #173b3a;
  --muted: #6e8581;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  padding: 34px 18px 64px;
  background:
    radial-gradient(900px 600px at 12% 0%, #d9f0e9, transparent 62%),
    radial-gradient(800px 500px at 100% 10%, #ffe7dc, transparent 55%),
    #eef7f3;
}

button {
  font: inherit;
  color: inherit;
  border: 0;
  cursor: pointer;
}

.poster-tools {
  position: fixed;
  z-index: 20;
  top: 18px;
  right: 18px;
  display: flex;
  gap: 7px;
  align-items: center;
}

.poster-tools a,
.poster-tools button {
  padding: 9px 13px;
  border: 1px solid rgba(7, 63, 60, 0.12);
  border-radius: 10px;
  color: var(--teal-800);
  font-size: 11px;
  font-weight: 600;
  text-decoration: none;
  background: rgba(255, 253, 248, 0.92);
  box-shadow: 0 10px 25px -18px rgba(5, 47, 45, 0.5);
  backdrop-filter: blur(10px);
}

.poster-tools button {
  color: #fff;
  background: var(--teal-700);
}

.poster-page {
  position: relative;
  overflow: hidden;
  width: min(210mm, calc(100vw - 36px));
  min-height: min(297mm, calc((100vw - 36px) * 1.4143));
  margin: 0 auto;
  padding: 11mm 12mm 9mm;
  border-radius: 8px;
  background:
    radial-gradient(70mm 55mm at 100% 0%, rgba(255, 225, 207, 0.7), transparent 70%),
    radial-gradient(90mm 65mm at 0% 100%, rgba(195, 235, 225, 0.62), transparent 70%),
    linear-gradient(155deg, #f7fcfa 0%, #fffdf8 46%, #fff8f0 100%);
  box-shadow: 0 40px 90px -38px rgba(5, 47, 45, 0.48);
}

.poster-page::before {
  content: "";
  position: absolute;
  z-index: 3;
  inset: 6mm;
  border: 1px solid rgba(8, 86, 81, 0.12);
  border-radius: 2px;
  pointer-events: none;
}

.poster-page::after {
  content: "";
  position: absolute;
  z-index: 0;
  right: -38mm;
  bottom: 25mm;
  width: 100mm;
  height: 100mm;
  border: 1px solid rgba(14, 113, 106, 0.08);
  border-radius: 50%;
  box-shadow:
    0 0 0 12mm rgba(14, 113, 106, 0.025),
    0 0 0 24mm rgba(14, 113, 106, 0.018);
}

.poster-art {
  position: absolute;
  z-index: 0;
  right: -8%;
  bottom: 30mm;
  left: -8%;
  height: 86mm;
  opacity: 0.16;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, transparent, #000 24%, #000 86%, transparent);
}

.poster-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
}

.poster-orbit {
  position: absolute;
  z-index: 0;
  border: 1px dashed rgba(12, 113, 106, 0.13);
  border-radius: 50%;
  pointer-events: none;
}

.poster-orbit-a {
  top: 20mm;
  right: -25mm;
  width: 75mm;
  height: 75mm;
}

.poster-orbit-b {
  top: 32mm;
  right: -12mm;
  width: 48mm;
  height: 48mm;
}

.poster-header,
.poster-copy,
.poster-dates,
.scan-card,
.poster-benefits,
.poster-footer {
  position: relative;
  z-index: 2;
}

.poster-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8mm;
  padding-bottom: 6mm;
  border-bottom: 1px solid rgba(8, 86, 81, 0.12);
}

.poster-brand {
  display: flex;
  align-items: center;
  gap: 3mm;
}

.poster-brand-mark {
  display: grid;
  width: 11mm;
  height: 11mm;
  place-items: center;
  border-radius: 3.2mm;
  color: #fff;
  background: linear-gradient(145deg, var(--teal-600), var(--teal-900));
  box-shadow: 0 3mm 7mm -4mm rgba(5, 47, 45, 0.65);
}

.poster-brand-mark svg {
  width: 7mm;
  height: 7mm;
  fill: currentColor;
}

.poster-brand-mark .brand-cross {
  fill: var(--teal-700);
}

.poster-brand strong,
.poster-brand small {
  display: block;
}

.poster-brand strong {
  color: var(--teal-900);
  font-family: "Songti SC", "STSong", serif;
  font-size: 4.2mm;
  letter-spacing: 0.06em;
}

.poster-brand small {
  margin-top: 1mm;
  color: #839b96;
  font-size: 2.25mm;
  letter-spacing: 0.1em;
}

.poster-edition {
  color: #89a09b;
  font-size: 2.15mm;
  font-weight: 600;
  letter-spacing: 0.22em;
}

.poster-copy {
  padding: 11mm 0 8mm;
}

.poster-eyebrow {
  margin: 0 0 3mm;
  color: var(--teal-600);
  font-size: 2.8mm;
  font-weight: 700;
  letter-spacing: 0.3em;
}

.poster-copy h1 {
  margin: 0;
  color: var(--teal-900);
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  font-size: 13.5mm;
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: 0.035em;
}

.poster-lead {
  margin: 4mm 0 0;
  color: #647e79;
  font-size: 3.1mm;
  line-height: 1.7;
}

.poster-dates {
  padding: 6mm;
  border: 1px solid rgba(9, 91, 85, 0.12);
  border-radius: 5mm;
  background: rgba(255, 255, 255, 0.66);
  box-shadow: 0 5mm 16mm -12mm rgba(5, 47, 45, 0.35);
}

.date-heading {
  display: flex;
  align-items: center;
  gap: 3mm;
  margin-bottom: 4mm;
}

.date-heading span {
  color: var(--teal-800);
  font-size: 2.6mm;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.date-heading i {
  flex: 1;
  height: 1px;
  background: rgba(9, 91, 85, 0.12);
}

.date-heading small {
  color: #94a7a3;
  font-size: 2.2mm;
  letter-spacing: 0.14em;
}

.date-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 2.5mm;
}

.date-list span {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5mm;
  min-height: 13mm;
  border: 1px solid #d8e9e4;
  border-radius: 3.5mm;
  background: #fff;
}

.date-list b {
  color: var(--teal-800);
  font-family: "Songti SC", "STSong", serif;
  font-size: 6.2mm;
  line-height: 1;
}

.date-list small {
  color: #8ba09b;
  font-size: 2.15mm;
}

.time-range {
  margin: 3.5mm 0 0;
  color: #79908c;
  font-size: 2.35mm;
  line-height: 1.5;
  text-align: center;
}

.scan-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 58mm;
  gap: 9mm;
  align-items: center;
  margin: 8mm 0;
  padding: 7mm;
  border-radius: 6mm;
  color: #f4fffc;
  background:
    radial-gradient(62mm 52mm at 88% 0%, rgba(255, 212, 184, 0.24), transparent 70%),
    radial-gradient(70mm 50mm at 0% 100%, rgba(105, 207, 188, 0.22), transparent 70%),
    linear-gradient(135deg, #073f3c 0%, #0b5a55 52%, #237c74 100%);
  box-shadow: 0 10mm 24mm -16mm rgba(5, 57, 54, 0.7);
}

.scan-kicker {
  margin: 0 0 2.5mm;
  color: #9ad9cd;
  font-size: 2.2mm;
  font-weight: 700;
  letter-spacing: 0.28em;
}

.scan-copy h2 {
  margin: 0 0 4mm;
  font-family: "Songti SC", "STSong", serif;
  font-size: 6.2mm;
  letter-spacing: 0.03em;
}

.scan-steps {
  display: flex;
  flex-direction: column;
  gap: 2.2mm;
  margin: 0;
  padding: 0;
  list-style: none;
}

.scan-steps li {
  display: flex;
  align-items: center;
  gap: 2.5mm;
  color: rgba(239, 255, 251, 0.87);
  font-size: 2.8mm;
}

.scan-steps b {
  display: grid;
  width: 5mm;
  height: 5mm;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  color: #b9ece3;
  font-size: 2.1mm;
  background: rgba(255, 255, 255, 0.08);
}

.capacity-note {
  margin: 4mm 0 0;
  padding-top: 3.5mm;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #f6d6aa;
  font-size: 2.45mm;
  letter-spacing: 0.04em;
}

.qr-frame {
  position: relative;
  display: grid;
  width: 58mm;
  height: 58mm;
  padding: 4mm;
  place-items: center;
  border-radius: 5mm;
  background: #fff;
  box-shadow: 0 6mm 14mm -8mm rgba(0, 27, 25, 0.6);
}

.qr-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.qr-corner {
  position: absolute;
  width: 5mm;
  height: 5mm;
  border-color: var(--coral);
  border-style: solid;
}

.qr-corner-a {
  top: 1mm;
  left: 1mm;
  border-width: 0.6mm 0 0 0.6mm;
  border-top-left-radius: 2mm;
}

.qr-corner-b {
  top: 1mm;
  right: 1mm;
  border-width: 0.6mm 0.6mm 0 0;
  border-top-right-radius: 2mm;
}

.qr-corner-c {
  bottom: 1mm;
  left: 1mm;
  border-width: 0 0 0.6mm 0.6mm;
  border-bottom-left-radius: 2mm;
}

.qr-corner-d {
  right: 1mm;
  bottom: 1mm;
  border-width: 0 0.6mm 0.6mm 0;
  border-bottom-right-radius: 2mm;
}

.poster-benefits {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 3mm;
}

.poster-benefits article {
  display: flex;
  align-items: center;
  gap: 3mm;
  min-width: 0;
  padding: 3.5mm;
  border: 1px solid #e3ede9;
  border-radius: 4mm;
  background: rgba(255, 255, 255, 0.72);
}

.benefit-icon {
  display: grid;
  flex: none;
  width: 9mm;
  height: 9mm;
  place-items: center;
  border-radius: 50%;
  color: var(--teal-700);
  background: var(--teal-50);
}

.benefit-icon svg {
  width: 5.2mm;
  height: 5.2mm;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.poster-benefits strong,
.poster-benefits small {
  display: block;
}

.poster-benefits strong {
  color: var(--teal-900);
  font-size: 2.7mm;
  font-weight: 650;
}

.poster-benefits small {
  margin-top: 1mm;
  color: #839a96;
  font-size: 2.05mm;
  line-height: 1.5;
}

.poster-footer {
  display: flex;
  align-items: center;
  gap: 3mm;
  margin-top: 8mm;
  color: #8ea19d;
  font-size: 2.1mm;
}

.poster-footer p {
  margin: 0;
  white-space: nowrap;
}

.poster-footer strong {
  max-width: 70mm;
  overflow: hidden;
  color: var(--teal-700);
  font-size: 1.9mm;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.footer-line {
  flex: 1;
  height: 1px;
  background: rgba(8, 86, 81, 0.1);
}

@media (max-width: 700px) {
  body {
    padding: 70px 10px 32px;
  }

  .poster-tools {
    top: 12px;
    right: 12px;
    left: 12px;
    justify-content: flex-end;
  }

  .poster-page {
    width: 100%;
    min-height: 0;
    padding: 8mm;
    border-radius: 5px;
  }

  .poster-page::before {
    inset: 3.5mm;
  }

  .poster-edition {
    font-size: 1.6mm;
  }

  .poster-copy {
    padding: 8mm 0 6mm;
  }

  .poster-copy h1 {
    font-size: 10.5mm;
  }

  .scan-card {
    grid-template-columns: minmax(0, 1fr) 38mm;
    gap: 5mm;
    margin: 6mm 0;
    padding: 5mm;
  }

  .qr-frame {
    width: 38mm;
    height: 38mm;
    padding: 2.5mm;
  }

  .scan-copy h2 {
    font-size: 4.5mm;
  }

  .scan-kicker {
    font-size: 1.8mm;
  }

  .scan-steps li {
    font-size: 2.3mm;
  }

  .capacity-note {
    font-size: 2mm;
  }

  .poster-benefits {
    grid-template-columns: 1fr;
  }

  .poster-benefits article {
    padding: 2.5mm 3mm;
  }

  .poster-footer {
    flex-wrap: wrap;
    row-gap: 2mm;
    margin-top: 6mm;
  }

  .poster-footer p {
    width: 100%;
  }

  .footer-line {
    display: none;
  }
}

@media print {
  @page {
    size: A4 portrait;
    margin: 0;
  }

  body {
    padding: 0;
    background: #fff;
  }

  .poster-tools {
    display: none !important;
  }

  .poster-page {
    width: 210mm;
    height: 297mm;
    min-height: 0;
    margin: 0;
    padding: 11mm 12mm 9mm;
    border-radius: 0;
    box-shadow: none;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }
}