/* 时光全球 · 场景导航 index.shiguangglobal.com */

:root {
  --bg: #080d18;
  --bg-elevated: rgba(18, 26, 42, 0.72);
  --ink: #eef2f8;
  --ink-2: #a8b4c8;
  --muted: #6b7a92;
  --line: rgba(148, 163, 184, 0.14);
  --line-strong: rgba(148, 163, 184, 0.28);
  --accent: #6b9fff;
  --glow: rgba(107, 159, 255, 0.12);
  --font: "Noto Sans SC", "PingFang SC", sans-serif;
  --font-display: "Outfit", "Noto Sans SC", sans-serif;
  --max: 1080px;
  --gutter: clamp(20px, 4vw, 40px);
  --radius: 18px;
  --radius-sm: 12px;

  --supermarket: #2aab96;
  --supermarket-glow: rgba(46, 171, 150, 0.18);
  --campus: #1d6fff;
  --campus-glow: rgba(29, 111, 255, 0.18);
  --hospital: #0d7ea5;
  --hospital-glow: rgba(13, 126, 165, 0.18);
  --park: #c49a3c;
  --park-glow: rgba(196, 154, 60, 0.16);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

.atmosphere {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(107, 159, 255, 0.14), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 80%, rgba(124, 58, 237, 0.08), transparent 50%),
    radial-gradient(ellipse 50% 35% at 0% 60%, rgba(46, 171, 150, 0.06), transparent 45%);
  z-index: 0;
}

.grid-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black, transparent 75%);
  z-index: 0;
}

.page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.site-header {
  padding: 28px var(--gutter) 0;
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.brand-text strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.brand-text span {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-top: 2px;
}

.header-note {
  font-size: 0.82rem;
  color: var(--muted);
  text-align: right;
}

/* Main */
main {
  flex: 1;
  padding: 48px var(--gutter) 64px;
}

.hero {
  max-width: var(--max);
  margin: 0 auto 56px;
  text-align: center;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--bg-elevated);
  backdrop-filter: blur(12px);
  font-size: 0.78rem;
  color: var(--ink-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.kicker::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}

.hero p {
  max-width: 36em;
  margin: 0 auto;
  font-size: 1.05rem;
  color: var(--ink-2);
}

/* Sections */
.section {
  max-width: var(--max);
  margin: 0 auto 48px;
}

.section-head {
  margin-bottom: 20px;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 6px;
  letter-spacing: 0.02em;
}

.section-head p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

/* Cards */
.card-grid {
  display: grid;
  gap: 16px;
}

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

.card-grid--one {
  grid-template-columns: 1fr;
}

.scene-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  backdrop-filter: blur(16px);
  transition:
    border-color 0.25s ease,
    transform 0.25s ease,
    box-shadow 0.25s ease;
  overflow: hidden;
}

.scene-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--card-accent, var(--accent));
  opacity: 0.85;
}

.scene-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, var(--card-glow, var(--glow)), transparent 65%);
  pointer-events: none;
  opacity: 0.6;
}

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

.scene-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.35);
}

.scene-card[data-scene="supermarket"] {
  --card-accent: var(--supermarket);
  --card-glow: var(--supermarket-glow);
}

.scene-card[data-scene="campus"] {
  --card-accent: var(--campus);
  --card-glow: var(--campus-glow);
}

.scene-card[data-scene="hospital"] {
  --card-accent: var(--hospital);
  --card-glow: var(--hospital-glow);
}

.scene-card[data-scene="park"] {
  --card-accent: var(--park);
  --card-glow: var(--park-glow);
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.card-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--card-accent, var(--accent));
}

.card-arrow {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink-2);
  transition:
    background 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease;
}

.scene-card:hover .card-arrow {
  background: var(--card-accent, var(--accent));
  border-color: transparent;
  color: #fff;
}

.scene-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
  line-height: 1.3;
}

.scene-card .card-desc {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-2);
  flex: 1;
}

.scene-card .card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.scene-card .card-tags span {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: rgba(0, 0, 0, 0.2);
}

/* Park wide card */
.scene-card--wide {
  flex-direction: row;
  align-items: center;
  gap: 24px;
  padding: 28px 32px;
}

.scene-card--wide .card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.scene-card--wide .card-arrow {
  align-self: center;
}

/* Traits */
.traits {
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px 32px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(12, 18, 30, 0.6);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: center;
}

.trait strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.trait span {
  font-size: 0.82rem;
  color: var(--muted);
}

/* Footer */
.site-footer {
  padding: 32px var(--gutter) 40px;
  border-top: 1px solid var(--line);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
}

.footer-links a:hover {
  color: var(--ink-2);
}

/* Responsive */
@media (max-width: 900px) {
  .card-grid--three {
    grid-template-columns: 1fr;
  }

  .scene-card--wide {
    flex-direction: column;
    align-items: stretch;
  }

  .scene-card--wide .card-arrow {
    align-self: flex-end;
  }

  .traits {
    grid-template-columns: 1fr;
    gap: 20px;
    text-align: left;
  }

  .header-note {
    display: none;
  }
}

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

  .scene-card {
    transition: none;
  }

  .scene-card:hover {
    transform: none;
  }
}