:root {
  --bg: #120f1d;
  --bg-soft: #1b1730;
  --card: rgba(22, 18, 40, 0.7);
  --card-strong: rgba(32, 24, 55, 0.82);
  --text: #f8f2ff;
  --muted: #d8c8ee;
  --accent: #ff8fb1;
  --gold: #ffd27d;
  --border: rgba(255, 255, 255, 0.14);
  --shadow: 0 24px 80px rgba(5, 2, 15, 0.38);
  --radius-lg: 32px;
  --radius-md: 22px;
  --radius-sm: 16px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Segoe UI Variable Display", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 143, 177, 0.18), transparent 28%),
    radial-gradient(circle at 85% 15%, rgba(142, 216, 255, 0.16), transparent 22%),
    linear-gradient(160deg, #110e1b 0%, #171327 48%, #090711 100%);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
textarea {
  font: inherit;
}

.page-shell {
  position: relative;
  overflow: hidden;
}

.section {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
  padding: 48px 0;
}

.section-heading {
  margin-bottom: 24px;
}

.section-heading h2 {
  margin: 10px 0 0;
  font-size: clamp(1.9rem, 3vw, 3rem);
}

.eyebrow {
  margin: 0;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  font-size: 0.8rem;
}

.hero {
  position: relative;
  width: min(var(--max-width), calc(100% - 40px));
  margin: 24px auto 0;
  padding: 24px 24px 52px;
  min-height: 92vh;
  border: 1px solid var(--border);
  border-radius: 40px;
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)),
    radial-gradient(circle at top, rgba(255, 95, 145, 0.18), transparent 35%),
    rgba(16, 13, 27, 0.85);
  backdrop-filter: blur(22px);
  box-shadow: var(--shadow);
}

.topbar {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.brand {
  letter-spacing: 0.26em;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.8);
}

.topbar-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.topbar-links a {
  color: rgba(255, 255, 255, 0.8);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 96px;
}

.hero h1 {
  margin: 12px 0 16px;
  max-width: 820px;
  font-size: clamp(3.3rem, 10vw, 7rem);
  line-height: 0.96;
}

.hero-subtitle {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.35rem);
  line-height: 1.8;
}

.hero-card-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.4fr;
  gap: 22px;
  margin-top: 36px;
}

.glass-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.highlight-card,
.countdown-card,
.letter-card,
.sticky-card {
  padding: 28px;
}

.label {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.92rem;
}

.big-number {
  margin: 8px 0 4px;
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 700;
  color: #fff2f7;
}

.muted {
  color: var(--muted);
}

.countdown-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 18px;
}

.countdown-grid div {
  padding: 18px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  text-align: center;
}

.countdown-grid span {
  display: block;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 700;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.music-hint {
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.95rem;
}

.button {
  appearance: none;
  border: none;
  border-radius: 999px;
  padding: 14px 24px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  color: #290815;
  background: linear-gradient(135deg, #ffd7e5, #ff89b0);
  box-shadow: 0 14px 36px rgba(255, 111, 157, 0.35);
}

.button.secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
}

.button.small {
  padding: 12px 18px;
}

.metric-grid,
.gallery-grid {
  display: grid;
  gap: 18px;
}

.metric-grid {
  grid-template-columns: repeat(2, 1fr);
}

.metric-card {
  padding: 24px;
  border-radius: var(--radius-md);
  background: var(--card-strong);
  border: 1px solid var(--border);
}

.metric-card strong {
  display: block;
  margin-top: 12px;
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: #fff0c9;
}

.timeline {
  position: relative;
  display: grid;
  gap: 18px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, rgba(255, 210, 125, 0.8), rgba(255, 143, 177, 0.2));
}

.timeline-item {
  position: relative;
  margin-left: 34px;
  padding: 24px;
  border-radius: var(--radius-md);
  background: var(--card);
  border: 1px solid var(--border);
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 30px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--accent));
  box-shadow: 0 0 0 8px rgba(255, 210, 125, 0.08);
}

.timeline-item h3,
.gallery-item h3 {
  margin: 10px 0;
  font-size: 1.18rem;
}

.timeline-date {
  color: var(--gold);
  font-size: 0.92rem;
}

.travel-map-layout {
  display: grid;
  grid-template-columns: 1.7fr 0.9fr;
  gap: 18px;
}

.map-card,
.province-card {
  padding: 26px;
}

.map-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}

.map-header h3,
.province-card h3 {
  margin: 8px 0 0;
  font-size: clamp(1.4rem, 3vw, 2rem);
}

.china-map {
  width: 100%;
  min-height: 560px;
  border-radius: 26px;
  background:
    radial-gradient(circle at top left, rgba(255, 143, 177, 0.1), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015));
}

.province-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.province-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.province-tag.active {
  color: #2c130d;
  background: linear-gradient(135deg, #ffd27d, #ff8fb1);
}

.gallery-grid {
  grid-template-columns: repeat(3, 1fr);
}

.gallery-item {
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid var(--border);
  background: var(--card);
}

.gallery-visual {
  display: grid;
  place-items: end start;
  min-height: 260px;
  padding: 20px;
  background-size: cover;
  background-position: center;
}

.gallery-tag {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(8, 6, 18, 0.48);
  backdrop-filter: blur(10px);
}

.gallery-content {
  padding: 20px;
}

.notes-layout {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 18px;
}

.letter-body {
  color: var(--muted);
  line-height: 1.9;
  white-space: pre-line;
}

.sticky-card textarea {
  width: 100%;
  margin: 14px 0 14px;
  padding: 16px 18px;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  resize: vertical;
}

.small-text {
  font-size: 0.9rem;
}

.wishlist {
  display: grid;
  gap: 14px;
}

.wishlist-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 20px 22px;
  border-radius: var(--radius-md);
  background: var(--card);
  border: 1px solid var(--border);
}

.wishlist-item .status {
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.84rem;
  color: #2c130d;
  background: linear-gradient(135deg, #ffd27d, #ff9c7d);
}

.wishlist-item .status.done {
  background: linear-gradient(135deg, #a9ffce, #86f0ff);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translate(-50%, 20px);
  padding: 14px 20px;
  border-radius: 999px;
  background: rgba(16, 13, 27, 0.9);
  border: 1px solid var(--border);
  color: var(--text);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.orbit,
.glow {
  position: absolute;
  pointer-events: none;
}

.orbit {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  animation: spin 22s linear infinite;
}

.orbit-one {
  top: 90px;
  right: -50px;
  width: 260px;
  height: 260px;
}

.orbit-two {
  left: -80px;
  bottom: 50px;
  width: 320px;
  height: 320px;
  animation-direction: reverse;
  animation-duration: 30s;
}

.glow {
  filter: blur(24px);
}

.glow-one {
  right: 120px;
  top: 160px;
  width: 120px;
  height: 120px;
  background: rgba(255, 95, 145, 0.35);
}

.glow-two {
  left: 40px;
  bottom: 120px;
  width: 160px;
  height: 160px;
  background: rgba(142, 216, 255, 0.18);
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 980px) {
  .hero-card-grid,
  .notes-layout,
  .metric-grid,
  .gallery-grid,
  .travel-map-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    padding-top: 72px;
  }
}

@media (max-width: 720px) {
  .section,
  .hero {
    width: min(var(--max-width), calc(100% - 24px));
  }

  .hero {
    padding: 18px 18px 36px;
    border-radius: 28px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .countdown-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .china-map {
    min-height: 420px;
  }

  .map-header {
    flex-direction: column;
  }

  .wishlist-item {
    grid-template-columns: 1fr;
    align-items: flex-start;
  }
}