:root {
  --bg: #090b14;
  --bg-deep: #05070e;
  --surface: rgba(19, 20, 35, 0.74);
  --surface-strong: rgba(28, 24, 42, 0.9);
  --line: rgba(235, 217, 226, 0.15);
  --text: #f5f1f8;
  --muted: rgba(245, 239, 248, 0.78);
  --soft: rgba(245, 239, 248, 0.56);
  --accent: #f2d4dc;
  --accent-cool: #ced7ff;
  --shadow: 0 34px 80px rgba(0, 0, 0, 0.38);
  --radius: 28px;
  --content-width: 72rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background:
    radial-gradient(circle at 15% 18%, rgba(255, 200, 220, 0.13), transparent 22%),
    radial-gradient(circle at 82% 16%, rgba(158, 177, 255, 0.1), transparent 24%),
    radial-gradient(circle at 50% 108%, rgba(255, 219, 230, 0.09), transparent 26%),
    linear-gradient(180deg, #0d0e18 0%, #090b14 42%, #06070d 100%);
  overflow-x: hidden;
}

img {
  display: block;
  width: 100%;
}

a,
button {
  color: inherit;
}

code {
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  font-family: "Consolas", "SFMono-Regular", monospace;
  font-size: 0.92em;
}

.page-shell {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
}

.page-shell::before {
  content: "";
  position: fixed;
  top: -18rem;
  right: -11rem;
  width: 34rem;
  height: 34rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 216, 228, 0.14), transparent 64%);
  filter: blur(18px);
  pointer-events: none;
  z-index: 0;
}

.content,
.site-footer {
  position: relative;
  z-index: 1;
}

.star-field,
.atmosphere {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.star-field {
  z-index: 0;
  overflow: hidden;
}

.star {
  position: absolute;
  width: var(--size);
  height: var(--size);
  left: var(--left);
  top: var(--top);
  border-radius: 50%;
  background: rgba(255, 245, 248, var(--alpha));
  box-shadow: 0 0 12px rgba(255, 225, 235, 0.24);
  animation:
    twinkle var(--twinkle-duration) ease-in-out infinite,
    drift var(--drift-duration) ease-in-out infinite;
  animation-delay: var(--delay);
}

.atmosphere {
  filter: blur(16px);
  opacity: 0.74;
}

.atmosphere-one {
  background:
    radial-gradient(circle at 18% 18%, rgba(214, 133, 167, 0.18), transparent 18%),
    radial-gradient(circle at 75% 30%, rgba(173, 198, 255, 0.08), transparent 20%);
}

.atmosphere-two {
  background:
    radial-gradient(circle at 50% 82%, rgba(130, 154, 228, 0.12), transparent 22%),
    radial-gradient(circle at 80% 88%, rgba(255, 203, 220, 0.08), transparent 18%);
}

.content {
  width: min(calc(100% - 2rem), var(--content-width));
  margin: 0 auto;
  padding: 1.25rem 0 0;
}

.hero,
.gallery-section,
.final-message,
.site-footer {
  padding-left: 0.35rem;
  padding-right: 0.35rem;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-content: center;
  gap: 1rem;
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.hero > * {
  position: relative;
  z-index: 1;
}

.hero::after {
  content: "";
  position: absolute;
  right: -2.8rem;
  top: 50%;
  width: min(72vw, 27rem);
  aspect-ratio: 1;
  border: 1px solid rgba(244, 216, 225, 0.14);
  border-radius: 50%;
  background:
    radial-gradient(circle at 38% 36%, rgba(255, 220, 231, 0.13), transparent 54%),
    radial-gradient(circle at 70% 72%, rgba(206, 216, 255, 0.09), transparent 32%);
  box-shadow:
    inset 0 0 60px rgba(255, 225, 235, 0.04),
    0 0 90px rgba(142, 155, 255, 0.05);
  transform: translateY(-50%);
  pointer-events: none;
}

.eyebrow,
.section-label,
.memory-number,
.carousel-label {
  margin: 0;
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  color: var(--soft);
}

.hero h1,
.section-intro h2,
.slide-copy h3,
.closing-signature {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", "Songti SC", "STSong", "Noto Serif SC", serif;
  font-weight: 600;
}

.hero h1 {
  font-size: clamp(3.2rem, 18vw, 7rem);
  line-height: 0.98;
  text-shadow: 0 0 24px rgba(255, 227, 235, 0.08);
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .hero h1 {
    background: linear-gradient(180deg, #ffffff 8%, #f7d7df 54%, #dae2ff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}

.hero-names {
  margin: -0.4rem 0 0;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-size: 0.82rem;
  color: rgba(244, 231, 239, 0.72);
}

.hero-names span {
  opacity: 0.72;
}

.hero-subtitle {
  margin: 0;
  max-width: 32rem;
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--muted);
}

.hero-note {
  margin: 0;
  max-width: 34rem;
  line-height: 1.95;
  color: var(--soft);
}

.hero-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  margin-top: 0.5rem;
  padding: 0.95rem 1.3rem;
  border: 1px solid rgba(244, 224, 232, 0.2);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255, 228, 236, 0.09), rgba(205, 217, 255, 0.05));
  text-decoration: none;
  box-shadow: 0 10px 30px rgba(8, 10, 18, 0.28);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease,
    box-shadow 180ms ease;
  backdrop-filter: blur(8px);
}

.hero-link:hover,
.hero-link:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(244, 224, 232, 0.3);
  background: linear-gradient(180deg, rgba(255, 229, 237, 0.12), rgba(205, 217, 255, 0.08));
  box-shadow: 0 14px 34px rgba(8, 10, 18, 0.32);
}

.gallery-section {
  padding-bottom: 5.5rem;
}

.section-intro {
  max-width: 42rem;
  margin-bottom: 1.5rem;
}

.section-intro h2 {
  margin-top: 0.7rem;
  font-size: clamp(2.2rem, 10vw, 4.4rem);
  line-height: 1.05;
}

.section-copy {
  margin: 0.95rem 0 0;
  line-height: 1.95;
  color: var(--muted);
}

.memory-carousel {
  position: relative;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  background:
    linear-gradient(145deg, rgba(39, 28, 44, 0.56), rgba(17, 20, 34, 0.22) 36%, transparent 72%),
    linear-gradient(180deg, rgba(21, 23, 40, 0.88), rgba(11, 16, 28, 0.78)),
    var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.memory-carousel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 221, 231, 0.05), transparent 45%, rgba(206, 216, 255, 0.06));
  pointer-events: none;
}

.carousel-stage {
  position: relative;
  aspect-ratio: 4 / 5;
  min-height: 27rem;
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
}

.carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(0.975);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
  pointer-events: none;
}

.carousel-slide.is-active {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

.slide-image,
.slide-image img {
  width: 100%;
  height: 100%;
}

.slide-image {
  position: relative;
}

.slide-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 10, 18, 0.04) 16%, rgba(7, 10, 18, 0.26) 64%, rgba(7, 10, 18, 0.75) 100%),
    radial-gradient(circle at 50% 12%, rgba(255, 255, 255, 0.12), transparent 26%);
}

.slide-image img {
  object-fit: cover;
}

.slide-copy {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  padding: 1.25rem 1.15rem 1.2rem;
}

.slide-copy h3 {
  margin-top: 0.4rem;
  font-size: clamp(1.8rem, 8vw, 2.8rem);
  line-height: 1.08;
}

.slide-copy p:last-child {
  margin: 0.65rem 0 0;
  max-width: 30rem;
  line-height: 1.85;
  color: var(--muted);
}

.carousel-panel {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.carousel-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.carousel-index {
  margin: 0;
  font-size: 0.98rem;
  color: var(--muted);
}

.carousel-controls {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.75rem;
  align-items: center;
}

.carousel-arrow {
  width: 2.8rem;
  height: 2.8rem;
  padding: 0;
  border: 1px solid rgba(244, 224, 232, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  font-size: 1.55rem;
  line-height: 1;
  cursor: pointer;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease;
}

.carousel-arrow:hover,
.carousel-arrow:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(244, 224, 232, 0.3);
  background: rgba(255, 255, 255, 0.08);
}

.carousel-dots {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.42rem;
}

.carousel-dot {
  width: 0.7rem;
  height: 0.7rem;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  cursor: pointer;
  transition:
    width 220ms ease,
    background-color 220ms ease,
    transform 220ms ease;
}

.carousel-dot:hover,
.carousel-dot:focus-visible {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.36);
}

.carousel-dot.is-active {
  width: 1.9rem;
  background: linear-gradient(90deg, rgba(242, 212, 220, 0.95), rgba(206, 215, 255, 0.9));
}

.final-message {
  max-width: 44rem;
  padding-top: 0.25rem;
  padding-bottom: 5rem;
}

.closing-text {
  margin: 0.85rem 0 0;
  line-height: 2;
  color: var(--muted);
}

.closing-signature {
  margin: 1.25rem 0 0;
  font-size: 1.9rem;
  letter-spacing: 0.06em;
  color: rgba(247, 224, 232, 0.92);
}

.site-footer {
  width: min(calc(100% - 2rem), var(--content-width));
  margin: 0 auto;
  padding-top: 0;
  padding-bottom: 2.25rem;
  color: var(--soft);
}

.site-footer p {
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(224, 232, 255, 0.08);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes twinkle {
  0%,
  100% {
    opacity: 0.24;
  }

  50% {
    opacity: 1;
  }
}

@keyframes drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }

  50% {
    transform: translate3d(0, -10px, 0);
  }
}

@media (min-width: 700px) {
  .content {
    width: min(calc(100% - 3rem), var(--content-width));
  }

  .hero,
  .gallery-section,
  .final-message,
  .site-footer {
    padding-left: 0;
    padding-right: 0;
  }

  .carousel-stage {
    aspect-ratio: 16 / 10;
    min-height: 34rem;
  }

  .slide-copy {
    padding: 1.5rem 1.45rem 1.35rem;
  }

  .carousel-panel {
    grid-template-columns: auto 1fr;
    align-items: center;
  }

  .carousel-status {
    align-items: flex-end;
    flex-direction: column;
    justify-content: center;
    min-width: 7rem;
  }
}

@media (min-width: 980px) {
  .content {
    padding-top: 0;
  }

  .hero {
    min-height: 100vh;
  }

  .hero::after {
    right: 0;
  }

  .carousel-stage {
    min-height: 39rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal,
  .reveal.is-visible,
  .star,
  .hero-link,
  .carousel-slide,
  .carousel-arrow,
  .carousel-dot {
    transition: none;
    animation: none;
    transform: none;
  }

  .reveal,
  .reveal.is-visible {
    opacity: 1;
  }
}