:root {
  color-scheme: light;
  --bg-top: #fff8fb;
  --bg-bottom: #eef9ff;
  --card: rgba(255, 255, 255, 0.94);
  --text: #664874;
  --muted: #8e789d;
  --line: #f4cade;
  --accent: #ff7fb0;
  --accent-2: #7ccfff;
  --accent-3: #ffd86f;
  --accent-soft: #ffe7f1;
  --danger: #d95f7a;
  --danger-soft: #fff0f4;
  --shadow: 0 24px 70px rgba(255, 143, 181, 0.18);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  overflow-x: hidden;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
}

.bg-orb {
  position: fixed;
  z-index: 0;
  border-radius: 999px;
  filter: blur(22px);
  opacity: 0.84;
  pointer-events: none;
  mix-blend-mode: screen;
  animation: floatOrb 8.2s cubic-bezier(0.42, 0, 0.2, 1) infinite;
}

.orb-pink {
  top: 60px;
  left: 8%;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(255, 189, 219, 0.9) 0%, rgba(255, 189, 219, 0.1) 68%, rgba(255, 189, 219, 0) 100%);
}

.orb-blue {
  top: 180px;
  right: 7%;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(176, 230, 255, 0.95) 0%, rgba(176, 230, 255, 0.08) 70%, rgba(176, 230, 255, 0) 100%);
  animation-duration: 9.4s;
  animation-delay: -2.6s;
}

.orb-yellow {
  bottom: 80px;
  left: 22%;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(255, 234, 159, 0.88) 0%, rgba(255, 234, 159, 0.08) 68%, rgba(255, 234, 159, 0) 100%);
  animation-duration: 10.8s;
  animation-delay: -4.2s;
}

body::before,
body::after {
  content: "";
  position: fixed;
  z-index: 0;
  width: 170px;
  height: 170px;
  border-radius: 28px;
  opacity: 0.22;
  pointer-events: none;
  image-rendering: pixelated;
  animation: floatPixel 10s ease-in-out infinite;
}

body::before {
  top: 76px;
  left: 36px;
  background:
    linear-gradient(90deg, transparent 45%, #ff9fc4 45% 55%, transparent 55%),
    linear-gradient(transparent 45%, #ff9fc4 45% 55%, transparent 55%),
    linear-gradient(90deg, transparent 10%, #7ccfff 10% 18%, transparent 18% 30%, #ffd86f 30% 38%, transparent 38% 62%, #ff9fc4 62% 70%, transparent 70%);
  background-size: 28px 28px, 28px 28px, 100% 100%;
  transform: rotate(-10deg);
}

body::after {
  right: 42px;
  bottom: 54px;
  background:
    linear-gradient(90deg, transparent 12%, #ffd86f 12% 24%, transparent 24% 36%, #ffb6d0 36% 48%, transparent 48% 60%, #91ddff 60% 72%, transparent 72%),
    linear-gradient(transparent 12%, #91ddff 12% 24%, transparent 24% 36%, #ffd86f 36% 48%, transparent 48% 60%, #ffb6d0 60% 72%, transparent 72%);
  background-size: 100% 100%, 100% 100%;
  transform: rotate(12deg);
  animation-duration: 12s;
  animation-delay: -2.5s;
}

.page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 26px;
}

.card {
  width: min(100%, 720px);
  position: relative;
  overflow: hidden;
  background: var(--card);
  border: 3px solid rgba(255, 255, 255, 0.82);
  border-radius: 38px;
  box-shadow: var(--shadow);
  padding: 34px 32px 26px;
  backdrop-filter: blur(10px);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 12% 14%, rgba(255, 219, 233, 0.85) 0, rgba(255, 219, 233, 0) 18%),
    radial-gradient(circle at 90% 16%, rgba(196, 238, 255, 0.82) 0, rgba(196, 238, 255, 0) 18%),
    radial-gradient(circle at 80% 86%, rgba(255, 237, 180, 0.72) 0, rgba(255, 237, 180, 0) 18%);
  pointer-events: none;
}

.pixel,
.hero,
.qr-panel,
.meta {
  position: relative;
  z-index: 1;
}

.pixel {
  position: absolute;
  opacity: 0.94;
  image-rendering: pixelated;
  animation: bobPixel 5.6s ease-in-out infinite;
}

.pixel-heart {
  top: 18px;
  right: 18px;
  width: 112px;
  height: 112px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(247, 251, 255, 0.98) 100%);
  box-shadow:
    0 10px 24px rgba(124, 207, 255, 0.18),
    0 0 0 4px rgba(255, 255, 255, 0.78);
}

.pixel-heart::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 18px;
  background-image:
    linear-gradient(rgba(126, 149, 171, 0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126, 149, 171, 0.2) 1px, transparent 1px),
    radial-gradient(circle, rgba(92, 114, 136, 0.68) 0 2px, transparent 2.6px),
    linear-gradient(transparent 0 10%, #b3835b 10% 22%, transparent 22% 30%, #b3835b 30% 40%, transparent 40%),
    linear-gradient(90deg, transparent 0 14%, #b3835b 14% 28%, transparent 28% 72%, #b3835b 72% 86%, transparent 86%),
    linear-gradient(transparent 26%, #f7e4cf 26% 70%, transparent 70%),
    linear-gradient(90deg, transparent 18%, #f7e4cf 18% 82%, transparent 82%),
    linear-gradient(transparent 48%, #2b2e36 48% 56%, transparent 56% 64%, #2b2e36 64% 72%, transparent 72%),
    linear-gradient(90deg, transparent 38%, #2b2e36 38% 46%, transparent 46% 54%, #2b2e36 54% 62%, transparent 62%),
    linear-gradient(transparent 66%, #f2a3b9 66% 72%, transparent 72%),
    linear-gradient(90deg, transparent 44%, #f2a3b9 44% 56%, transparent 56%),
    linear-gradient(transparent 74%, #ffffff 74% 82%, transparent 82%),
    linear-gradient(90deg, transparent 34%, #ffffff 34% 66%, transparent 66%);
  background-size:
    16px 16px,
    16px 16px,
    16px 16px,
    100% 100%,
    100% 100%,
    100% 100%,
    100% 100%,
    100% 100%,
    100% 100%,
    100% 100%,
    100% 100%,
    100% 100%,
    100% 100%;
  background-position: center;
  pointer-events: none;
}

.pixel-flower {
  left: 18px;
  bottom: 110px;
  width: 86px;
  height: 86px;
  animation-delay: -1.4s;
  background:
    radial-gradient(circle at 50% 50%, #ffd86f 0 15%, transparent 16%),
    radial-gradient(circle at 50% 22%, #91ddff 0 16%, transparent 17%),
    radial-gradient(circle at 22% 50%, #ffb6d0 0 16%, transparent 17%),
    radial-gradient(circle at 78% 50%, #ffb6d0 0 16%, transparent 17%),
    radial-gradient(circle at 50% 78%, #91ddff 0 16%, transparent 17%);
}

.hero {
  padding-right: 104px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  background: linear-gradient(90deg, #ffe2ef 0%, #fff3b8 100%);
  color: #c35c8f;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.04em;
  box-shadow: 0 8px 20px rgba(255, 157, 192, 0.16);
}

.badge::before {
  content: "●";
  color: #ff93bc;
  font-size: 12px;
}

h1 {
  margin: 16px 0 10px;
  font-size: clamp(34px, 5vw, 48px);
  line-height: 1.12;
  color: #6d4c7d;
  letter-spacing: 0.01em;
}

.lead {
  margin: 0;
  max-width: 520px;
  color: var(--muted);
  line-height: 1.8;
  font-size: 15px;
}

.qr-panel {
  margin-top: 22px;
  padding: 18px;
  border: 3px dashed #f4bfd5;
  border-radius: 30px;
  background: linear-gradient(180deg, rgba(255, 250, 252, 0.98) 0%, rgba(255, 245, 250, 0.98) 100%);
  box-shadow: inset 0 0 0 8px rgba(255, 244, 249, 0.95);
}

.qr-frame {
  display: grid;
  place-items: center;
  min-height: 380px;
  padding: 18px;
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.92);
  border: 3px solid rgba(247, 211, 228, 0.92);
  box-shadow:
    0 20px 34px rgba(255, 193, 219, 0.12),
    inset 0 0 0 6px rgba(255, 250, 252, 0.95);
}

.qr-image {
  width: min(100%, 328px);
  aspect-ratio: 1;
  object-fit: contain;
  border-radius: 20px;
  background: #fff;
  border: 8px solid #fff;
  box-shadow:
    0 18px 34px rgba(255, 177, 205, 0.24),
    0 0 0 4px rgba(255, 216, 239, 0.72);
  padding: 8px;
}

.status {
  color: var(--muted);
  text-align: center;
  line-height: 1.9;
  font-size: 16px;
  max-width: 360px;
}

.status::before {
  content: "拼豆加载中 · ";
  color: #ff8cb8;
  font-weight: 700;
}

.status-error {
  color: var(--danger);
  background: var(--danger-soft);
  padding: 18px 20px;
  border-radius: 18px;
  border: 2px solid #ffd4e1;
}

.status-error::before {
  content: "小提醒 · ";
  color: var(--danger);
}

.meta {
  margin-top: 18px;
  display: grid;
  gap: 10px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.64);
  border: 2px solid rgba(255, 230, 240, 0.82);
  border-radius: 22px;
  padding: 16px 18px;
  box-shadow: 0 10px 24px rgba(255, 227, 238, 0.24);
}

.meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.meta p {
  margin: 0;
  font-size: 14px;
}

.meta span {
  color: #6d4c7d;
  font-weight: 700;
}

.meta-highlight {
  font-size: 18px;
  line-height: 1.5;
}

.meta-highlight span {
  color: #5f4b85;
}

.meta-note {
  color: #a37f92;
}

code {
  font-family: Consolas, Monaco, monospace;
  background: #fff3f8;
  padding: 2px 6px;
  border-radius: 8px;
}

@keyframes floatOrb {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(0.9);
  }

  20% {
    transform: translate3d(34px, -30px, 0) scale(1.12);
  }

  45% {
    transform: translate3d(-26px, 22px, 0) scale(0.84);
  }

  70% {
    transform: translate3d(30px, 34px, 0) scale(1.16);
  }
}

@keyframes floatPixel {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  50% {
    transform: translateY(-10px) rotate(4deg);
  }
}

@keyframes bobPixel {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  50% {
    transform: translateY(-8px) rotate(3deg);
  }
}

@media (max-width: 640px) {
  body::before,
  body::after {
    width: 108px;
    height: 108px;
  }

  .bg-orb {
    filter: blur(18px);
    opacity: 0.82;
  }

  .orb-pink,
  .orb-blue,
  .orb-yellow {
    width: 160px;
    height: 160px;
  }

  .page {
    padding: 18px;
  }

  .card {
    padding: 24px 20px 22px;
    border-radius: 28px;
  }

  .hero {
    padding-right: 84px;
  }

  .pixel-heart {
    top: 12px;
    right: 12px;
    width: 86px;
    height: 86px;
  }

  .pixel-heart::before {
    background-size:
      12px 12px,
      12px 12px,
      12px 12px,
      100% 100%,
      100% 100%,
      100% 100%,
      100% 100%,
      100% 100%,
      100% 100%,
      100% 100%,
      100% 100%,
      100% 100%,
      100% 100%;
  }

  .pixel-flower {
    left: 8px;
    bottom: 126px;
    width: 70px;
    height: 70px;
  }

  h1 {
    font-size: 30px;
  }

  .lead,
  .status {
    font-size: 15px;
  }

  .qr-panel {
    padding: 16px;
    border-radius: 24px;
  }

  .qr-frame {
    min-height: 300px;
    padding: 14px;
    border-radius: 22px;
  }

  .qr-image {
    width: min(100%, 280px);
    border-radius: 18px;
  }

  .meta {
    padding: 16px;
  }

  .meta-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .meta-highlight {
    font-size: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .bg-orb,
  body::before,
  body::after,
  .pixel {
    animation: none;
  }
}