/* ============================================================
   走过 · 首页 v4 —— Noomo 视觉语言 × 原版内容骨架
   独立成套（首页不加载 style.css）：
   · 色彩旅程：淡紫晨光(首屏) → 粉橙黎明(行迹) → 深夜蓝(看板/页脚)
   · WebGL 天空+凤凰在底层(#gl)，GPU 流体拖尾在顶层(#fluid)
   · 大字楷书 × Instrument Serif italic × Inter
   ============================================================ */

:root {
  --ink: #2a2342;
  --ink-soft: rgba(42, 35, 66, 0.64);
  --ink-faint: rgba(42, 35, 66, 0.42);
  --moon: #f2efff;
  --moon-soft: rgba(242, 239, 255, 0.62);
  --moon-faint: rgba(242, 239, 255, 0.34);
  --night: #070918;

  --iris-a: #a78bfa;
  --iris-b: #f49ac1;
  --iris-c: #ffb88a;
  --iris-grad: linear-gradient(108deg, var(--iris-a) 8%, var(--iris-b) 52%, var(--iris-c) 95%);

  --glass: rgba(255, 255, 255, 0.36);
  --glass-border: rgba(255, 255, 255, 0.62);
  --glass-night: rgba(22, 26, 58, 0.42);
  --glass-night-border: rgba(242, 239, 255, 0.16);

  --max-width: 1280px;
  --gutter-x: clamp(1.5rem, 5vw, 7rem);

  --font-sans:
    'Inter', system-ui, -apple-system, 'Segoe UI', Roboto,
    'PingFang SC', 'Microsoft YaHei', 'Source Han Sans SC', 'Noto Sans CJK SC', sans-serif;
  --font-display:
    'Instrument Serif',
    'Inter', system-ui, -apple-system, 'Segoe UI', Roboto,
    'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-kai:
    'LXGW WenKai', 'Kaiti SC', 'STKaiti', 'KaiTi', 'BiauKai',
    'PingFang SC', 'Microsoft YaHei', serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scrollbar-width: thin;
  scrollbar-color: rgba(130, 115, 200, 0.4) transparent;
}
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

body {
  background: #e9e3fa;
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img, video { max-width: 100%; display: block; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

.serif {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-synthesis: none;
}
.nowrap { white-space: nowrap; }
.m-only { display: none; }
@media (max-width: 760px) { .m-only { display: inline; } }

::selection { background: rgba(167, 139, 250, 0.35); color: var(--ink); }
:focus-visible { outline: 2px solid var(--iris-a); outline-offset: 3px; border-radius: 4px; }

/* ============ 底层画布 / 顶层流体 / 颗粒 ============ */
#gl {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  display: block;
}
#fluid {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  /* 必须高于 .grain(z95, mix-blend-mode) 和 #preloader(z200, clip-path)：
     这类特效层若叠在透明 WebGL 层之上，部分 Chromium 合成路径会让
     WebGL 层整层不上屏（实测踩坑两次）。只允许 #cursor(z300) 在其上。 */
  z-index: 260;
  pointer-events: none;
}
.grain {
  position: fixed;
  inset: 0;
  z-index: 95;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}
/* WebGL 不可用时的纯 CSS 渐变兜底 */
body.no-gl #gl { display: none; }
body.no-gl::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, #ece6fb 0%, #ecd3e2 30%, #ffdfc2 52%, #6f5fb0 76%, #0a0c22 92%, #070918 100%);
}

/* ============ 预加载器 ============ */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(120% 90% at 50% 8%, #f4eefb 0%, #e5dcf8 46%, #d2c4f0 100%);
  transition: clip-path 1.1s cubic-bezier(0.76, 0, 0.24, 1);
  clip-path: inset(0 0 0 0);
}
#preloader.is-leaving { clip-path: inset(0 0 100% 0); pointer-events: none; }
.pre-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.35rem;
  text-align: center;
  padding: 0 2rem;
}
.pre-mark {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.55em;
  text-indent: 0.55em;
  color: var(--ink);
}
.pre-sub {
  display: block;
  margin-top: 0.45rem;
  font-size: 1.05rem;
  color: var(--ink-soft);
}
.pre-counter {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(4.5rem, 14vw, 8.5rem);
  line-height: 1;
  color: var(--ink);
}
.pre-counter small { font-size: 0.35em; opacity: 0.5; }
.pre-bar {
  width: min(300px, 60vw);
  height: 1px;
  background: rgba(42, 35, 66, 0.16);
  border-radius: 1px;
  overflow: hidden;
}
#pre-bar-fill { display: block; height: 100%; width: 0%; background: var(--iris-grad); }
.pre-start {
  margin-top: 0.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 2.6rem;
  border: 1px solid rgba(42, 35, 66, 0.4);
  border-radius: 99px;
  font-size: 0.95rem;
  letter-spacing: 0.28em;
  text-indent: 0.28em;
  color: var(--ink);
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: opacity 0.7s ease, transform 0.7s ease,
    background-color 0.35s ease, color 0.35s ease, border-color 0.35s ease;
}
#preloader.is-ready .pre-start { opacity: 1; transform: none; pointer-events: auto; }
.pre-start:hover { background: var(--ink); color: #efe9fb; border-color: var(--ink); }
.pre-start-spark { font-size: 0.85em; animation: spark-spin 4s linear infinite; }
@keyframes spark-spin { to { transform: rotate(360deg); } }

/* ============ 自定义光标 / 声音开关 ============ */
#cursor { position: fixed; inset: 0; z-index: 300; pointer-events: none; }
.cursor-dot, .cursor-ring {
  position: absolute;
  top: 0; left: 0;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  will-change: transform;
}
.cursor-dot { width: 6px; height: 6px; background: var(--ui-ink, var(--ink)); transition: background-color 0.5s ease; }
.cursor-ring {
  width: 36px; height: 36px;
  border: 1px solid var(--ui-ink, var(--ink));
  opacity: 0.4;
  transition: width 0.3s ease, height 0.3s ease, opacity 0.3s ease, border-color 0.5s ease;
}
body.cursor-hover .cursor-ring { width: 58px; height: 58px; opacity: 0.9; }
body[data-skin='dark'] { --ui-ink: var(--moon); }
body[data-skin='light'] { --ui-ink: var(--ink); }
@media (pointer: coarse) { #cursor { display: none; } }

.sound-toggle {
  position: fixed;
  left: clamp(1.1rem, 3vw, 2.2rem);
  bottom: calc(clamp(1.1rem, 3vw, 2.2rem) + env(safe-area-inset-bottom, 0px));
  z-index: 285;
  width: 50px; height: 50px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--ui-ink, var(--ink));
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  transition: opacity 0.6s ease 0.2s, transform 0.6s ease 0.2s, background-color 0.5s ease, border-color 0.5s ease;
}
body.started .sound-toggle { opacity: 1; transform: none; pointer-events: auto; }
body[data-skin='dark'] .sound-toggle { background: var(--glass-night); border-color: var(--glass-night-border); }

/* 鼠标流体特效开关（仅主页；状态写 localStorage 全站通用） */
.fluid-toggle {
  position: fixed;
  left: calc(clamp(1.1rem, 3vw, 2.2rem) + 62px);
  bottom: calc(clamp(1.1rem, 3vw, 2.2rem) + env(safe-area-inset-bottom, 0px));
  z-index: 285;
  height: 50px;
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0 1.1rem; border-radius: 99px;
  background: var(--glass); border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  color: var(--ui-ink, var(--ink));
  font-size: 0.82rem; letter-spacing: 0.14em;
  opacity: 0; transform: translateY(14px); pointer-events: none;
  transition: opacity 0.6s ease 0.3s, transform 0.6s ease 0.3s, background-color 0.5s ease, border-color 0.5s ease;
}
body.started .fluid-toggle { opacity: 1; transform: none; pointer-events: auto; }
body[data-skin='dark'] .fluid-toggle { background: var(--glass-night); border-color: var(--glass-night-border); }
.fluid-toggle-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--iris-a); box-shadow: 0 0 9px var(--iris-a);
  transition: opacity 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}
.fluid-toggle[aria-pressed='false'] .fluid-toggle-dot { background: var(--ink-faint); box-shadow: none; opacity: 0.5; }
@media (pointer: coarse) {
  .fluid-toggle {
    left: calc(clamp(1.1rem, 3vw, 2.2rem) + 58px);
    height: 46px;
    padding: 0 0.9rem;
  }
}
.sound-bars { display: flex; align-items: flex-end; gap: 3px; height: 15px; }
.sound-bars i { width: 2px; height: 4px; border-radius: 1px; background: currentColor; }
.sound-toggle.is-on .sound-bars i { animation: bar-dance 1.1s ease-in-out infinite alternate; }
.sound-toggle.is-on .sound-bars i:nth-child(2) { animation-delay: 0.15s; }
.sound-toggle.is-on .sound-bars i:nth-child(3) { animation-delay: 0.3s; }
.sound-toggle.is-on .sound-bars i:nth-child(4) { animation-delay: 0.45s; }
.sound-toggle.is-on .sound-bars i:nth-child(5) { animation-delay: 0.6s; }
@keyframes bar-dance { from { height: 4px; } to { height: 14px; } }

/* ============ 导航 ============ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 280;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.3rem var(--gutter-x);
  color: var(--ui-ink, var(--ink));
  opacity: 0;
  transform: translateY(-12px);
  pointer-events: none;
  transition: color 0.6s ease, opacity 0.7s ease, transform 0.7s ease;
}
body.started .navbar { opacity: 1; transform: none; pointer-events: auto; }
.logo-mark {
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.42em;
}
.navbar-links { display: flex; align-items: center; gap: 0.85rem; }
.navbar-links .dot { opacity: 0.45; }
.navbar-links a {
  position: relative;
  font-size: 0.92rem;
  letter-spacing: 0.16em;
  padding: 0.2rem 0;
  opacity: 0.85;
  transition: opacity 0.25s ease;
}
.navbar-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%; bottom: -2px;
  height: 1px;
  background: currentColor;
  transition: right 0.35s cubic-bezier(0.19, 1, 0.22, 1);
}
.navbar-links a:hover { opacity: 1; }
.navbar-links a:hover::after { right: 0; }

/* ============ 通用版式 ============ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter-x);
}
section { position: relative; z-index: 1; padding: clamp(5rem, 11vh, 8.5rem) 0; }

.section-eyebrow {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 1.1rem;
}
.section-eyebrow::before {
  content: '';
  display: inline-block;
  width: 1.6rem;
  height: 1px;
  background: var(--iris-grad);
  vertical-align: middle;
  margin-right: 0.7rem;
}
.section-title {
  font-family: var(--font-kai);
  font-weight: 400;
  font-size: clamp(2.1rem, 5.2vw, 3.9rem);
  line-height: 1.2;
  color: var(--ink);
  letter-spacing: 0.01em;
}
.section-title .serif {
  background: var(--iris-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding-right: 0.06em;
}
.section-subtitle {
  margin-top: 1rem;
  max-width: 36em;
  font-size: clamp(0.92rem, 1.5vw, 1.02rem);
  color: var(--ink-soft);
}

/* ============ Reveal（script.js 驱动） ============ */
@media (prefers-reduced-motion: no-preference) {
  .reveal,
  .reveal-stagger > * {
    opacity: 0;
    transform: translateY(46px);
    filter: blur(10px);
    transition:
      opacity 1.1s cubic-bezier(0.19, 1, 0.22, 1),
      transform 1.1s cubic-bezier(0.19, 1, 0.22, 1),
      filter 1.1s cubic-bezier(0.19, 1, 0.22, 1);
  }
  .reveal.in-view,
  .reveal-stagger.in-view > * { opacity: 1; transform: none; filter: blur(0); }
  .reveal-stagger.in-view > *:nth-child(2) { transition-delay: 0.1s; }
  .reveal-stagger.in-view > *:nth-child(3) { transition-delay: 0.2s; }
  .reveal-stagger.in-view > *:nth-child(4) { transition-delay: 0.3s; }
  .reveal-stagger.in-view > *:nth-child(5) { transition-delay: 0.4s; }
}

/* ============ Hero ============ */
.hero {
  position: relative;
  z-index: 270;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: clamp(6.5rem, 14vh, 9rem) var(--gutter-x) clamp(4rem, 9vh, 6rem);
  max-width: none;
  margin: 0 auto;
  overflow: clip;
}
.hero-content {
  position: relative;
  z-index: 3;
  width: min(47vw, 680px);
  margin-left: max(0px, calc((100vw - var(--max-width)) / 2));
}
.hero-eyebrow-deco {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1.6rem;
  font-size: 1.12rem;
  color: var(--ink-soft);
}
.hero-deco-line { width: 2.6rem; height: 1px; background: var(--iris-grad); }
.hero-title {
  font-family: var(--font-kai);
  font-weight: 400;
  font-size: clamp(2.6rem, 6vw, 5.2rem);
  line-height: 1.18;
  color: var(--ink);
  letter-spacing: 0.01em;
}
.hero-em {
  position: relative;
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 400;
  background: var(--iris-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding: 0 0.04em;
  filter: drop-shadow(0 4px 26px rgba(167, 139, 250, 0.35));
}
.hero-cta { display: flex; gap: 0.9rem; margin-top: 2.2rem; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.92rem 2rem;
  border-radius: 99px;
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  transition: transform 0.35s cubic-bezier(0.19, 1, 0.22, 1),
    background-color 0.35s ease, color 0.35s ease,
    border-color 0.35s ease, box-shadow 0.35s ease;
  will-change: transform;
}
.btn-primary {
  background: var(--ink);
  color: #f1ecfb;
  border: 1px solid var(--ink);
  box-shadow: 0 14px 36px rgba(42, 35, 66, 0.28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 20px 44px rgba(42, 35, 66, 0.34); }
.btn-checkin {
  background: var(--glass);
  border: 1px solid rgba(42, 35, 66, 0.32);
  color: var(--ink);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn-checkin:hover { transform: translateY(-2px); background: rgba(255, 255, 255, 0.55); }

/* 首屏粒子宇宙：照片只存在于点击后的发现时刻。 */
.hero-photo { margin: 0; }
.hero-universe {
  position: absolute;
  z-index: 1;
  top: 1vh;
  right: -3vw;
  bottom: -2vh;
  left: 24vw;
  width: auto;
  isolation: isolate;
  transform: none;
}
.photo-universe-shell {
  position: relative;
  width: 100%;
  height: 100%;
  background: transparent;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.photo-universe-shell.is-ready,
.photo-universe-shell.is-fallback { opacity: 1; }
#photo-universe-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  outline: none;
  touch-action: manipulation;
  cursor: crosshair;
  background: transparent;
}
#photo-universe-canvas.is-over-galaxy { cursor: pointer; }
.universe-click-burst {
  position: absolute;
  z-index: 3;
  width: 10px;
  height: 10px;
  border: 1px solid rgba(255, 244, 231, .94);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  box-shadow: 0 0 20px rgba(221, 191, 255, .9), 0 0 42px rgba(255, 177, 140, .55);
  animation: universe-discovery .72s cubic-bezier(.16, 1, .3, 1) forwards;
}
.universe-click-burst::before,
.universe-click-burst::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  background: rgba(255, 244, 231, .9);
  transform: translate(-50%, -50%);
}
.universe-click-burst::before { width: 76px; height: 1px; }
.universe-click-burst::after { width: 1px; height: 76px; }
@keyframes universe-discovery {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(.25) rotate(0); }
  24% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(2.2) rotate(22deg); }
}
.photo-universe-caption {
  position: absolute;
  right: 9%;
  bottom: 8%;
  display: flex;
  align-items: center;
  gap: .85rem;
  white-space: nowrap;
  font: 600 .61rem/1 var(--font-sans);
  letter-spacing: .19em;
  color: rgba(42, 35, 66, .58);
  text-transform: uppercase;
  pointer-events: none;
}
.photo-universe-caption::before {
  content: '';
  width: 34px;
  height: 1px;
  background: linear-gradient(90deg, transparent, #a78bfa, #f49ac1);
}
.photo-universe-count { color: rgba(42, 35, 66, .82); }
.photo-universe-shell.is-complete .photo-universe-caption { color: rgba(42, 35, 66, .82); }

body.universe-open { overflow: hidden; }
.universe-lightbox {
  position: fixed;
  inset: 0;
  z-index: 2147483100;
  background: #070716;
}
.universe-lightbox[hidden] { display: none; }
.universe-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 48%, rgba(114, 72, 155, .38), transparent 45%),
    radial-gradient(ellipse at 63% 30%, rgba(231, 121, 181, .12), transparent 34%),
    rgba(7, 7, 22, .985);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}
.universe-lightbox-stars {
  position: absolute;
  inset: 0;
  opacity: .62;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 13% 19%, rgba(255,255,255,.7) 0 1px, transparent 1.6px),
    radial-gradient(circle at 76% 24%, rgba(211,190,255,.8) 0 1px, transparent 1.8px),
    radial-gradient(circle at 88% 72%, rgba(255,190,159,.65) 0 1px, transparent 1.7px),
    radial-gradient(circle at 28% 81%, rgba(255,255,255,.55) 0 1px, transparent 1.5px);
  background-size: 173px 157px, 229px 211px, 191px 233px, 257px 179px;
  animation: lightbox-stars 24s linear infinite alternate;
}
@keyframes lightbox-stars { to { transform: translate3d(12px, -9px, 0); opacity: .82; } }
.universe-lightbox-stage {
  position: absolute;
  inset: max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
  display: flex;
  align-items: center;
  justify-content: center;
}
.universe-lightbox-figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  transform: translateY(18px) scale(.97);
  opacity: 0;
  transition: transform .7s cubic-bezier(.16, 1, .3, 1), opacity .45s ease;
}
.universe-lightbox.is-open .universe-lightbox-figure { transform: none; opacity: 1; }
.universe-lightbox-image-wrap {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 8px;
  background: #0a0918;
  box-shadow: 0 34px 110px rgba(0,0,0,.68), 0 0 0 1px rgba(255,255,255,.14);
}
.universe-lightbox-image-wrap::before {
  content: '';
  position: absolute;
  inset: 10%;
  z-index: -1;
  background: radial-gradient(ellipse, rgba(181, 145, 255, .34), rgba(236, 134, 186, .13) 46%, transparent 72%);
  filter: blur(48px);
}
.universe-lightbox-image-wrap img {
  display: block;
  max-width: min(82vw, 1220px);
  max-height: 79vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 8px;
  opacity: 1;
  transform: scale(1);
  transition: opacity .3s ease, transform .45s ease;
}
.universe-lightbox-figure img.is-loading { opacity: .12; transform: scale(.975); }
.universe-lightbox-figure figcaption {
  display: flex;
  align-items: baseline;
  gap: 1.1rem;
  color: rgba(242, 239, 255, .52);
  font-size: .68rem;
  letter-spacing: .17em;
  text-transform: uppercase;
}
.universe-lightbox-figure figcaption strong {
  color: #f4efff;
  font-family: var(--font-kai);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: .28em;
}
.universe-lightbox-kicker { color: #d6c3ff; }
.universe-lightbox-close {
  position: absolute;
  top: clamp(.4rem, 2vw, 1.4rem);
  right: clamp(.4rem, 2vw, 1.4rem);
  z-index: 2;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.08);
  color: #f4efff;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  cursor: pointer;
  font-size: 1.7rem;
  line-height: 1;
  transition: background .25s ease, transform .25s ease;
}
.universe-lightbox-close:hover { background: rgba(167,139,250,.24); transform: scale(1.06); }
/* ============ 打卡入口 banner ============ */
#checkin-entry { padding-top: 0; }
.checkin-banner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1.5rem;
  padding: clamp(1.8rem, 4vw, 2.8rem) clamp(1.6rem, 4vw, 3rem);
  border-radius: 26px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 22px 60px rgba(96, 76, 170, 0.16);
  overflow: hidden;
  transition: transform 0.5s cubic-bezier(0.19, 1, 0.22, 1), box-shadow 0.5s ease;
}
.checkin-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.55) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.9s ease;
  pointer-events: none;
}
.checkin-banner:hover { transform: translateY(-6px); box-shadow: 0 30px 76px rgba(96, 76, 170, 0.24); }
.checkin-banner:hover::before { transform: translateX(120%); }
.checkin-banner-title {
  font-family: var(--font-kai);
  font-weight: 400;
  font-size: clamp(1.5rem, 3.2vw, 2.3rem);
  color: var(--ink);
  margin: 0.2rem 0 0.6rem;
}
.checkin-banner-sub { max-width: 34em; font-size: 0.95rem; color: var(--ink-soft); }
.checkin-banner-cta {
  display: inline-block;
  margin-top: 1.1rem;
  font-size: 0.92rem;
  letter-spacing: 0.12em;
  color: var(--ink);
  border-bottom: 1px solid rgba(42, 35, 66, 0.4);
  padding-bottom: 2px;
  transition: border-color 0.3s ease;
}
.checkin-banner:hover .checkin-banner-cta { border-color: var(--ink); }
.checkin-banner-art { position: relative; width: 130px; height: 130px; }
.cb-emoji {
  position: absolute;
  font-size: 1.5rem;
  filter: drop-shadow(0 4px 10px rgba(96, 76, 170, 0.25));
  animation: cb-float 5s ease-in-out infinite;
}
.cb-emoji-1 { top: 4%; left: 8%; animation-delay: 0s; }
.cb-emoji-2 { top: 38%; right: 2%; animation-delay: 0.7s; }
.cb-emoji-3 { bottom: 6%; left: 16%; animation-delay: 1.4s; }
.cb-emoji-4 { top: 4%; right: 26%; animation-delay: 2.1s; }
.cb-emoji-5 { bottom: 26%; right: 38%; animation-delay: 2.8s; }
@keyframes cb-float {
  0%, 100% { transform: translateY(0) rotate(-3deg); }
  50% { transform: translateY(-9px) rotate(4deg); }
}

/* ============ 行迹卡片 ============ */
.trip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr));
  gap: clamp(1rem, 2.5vw, 1.8rem);
  margin-top: clamp(2rem, 5vh, 3.2rem);
}
.trip-card {
  position: relative;
  display: block;
  border-radius: 24px;
  overflow: hidden;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 18px 52px rgba(96, 76, 170, 0.14);
  transition: transform 0.5s cubic-bezier(0.19, 1, 0.22, 1), box-shadow 0.5s ease;
  will-change: transform;
}
.trip-card:hover { transform: translateY(-8px); box-shadow: 0 30px 72px rgba(96, 76, 170, 0.24); }
.trip-card-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(70% 60% at 80% 0%, rgba(255, 184, 138, 0.22), transparent 65%),
    radial-gradient(60% 50% at 10% 100%, rgba(167, 139, 250, 0.18), transparent 65%);
  opacity: 0.9;
  transition: opacity 0.5s ease;
}
.trip-card:hover .trip-card-bg { opacity: 1; }
.trip-card-content { position: relative; padding: clamp(1.6rem, 3.4vw, 2.4rem); }
.trip-card-content-center {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 17rem;
}
.trip-card-meta {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
}
.trip-card-meta .dot { opacity: 0.5; }
.trip-card-title {
  font-family: var(--font-kai);
  font-weight: 400;
  font-size: clamp(1.65rem, 3vw, 2.25rem);
  color: var(--ink);
  margin: 0.85rem 0 0.7rem;
}
.trip-card-summary { font-size: 0.95rem; color: var(--ink-soft); max-width: 30em; }
.trip-card-footer {
  margin-top: 1.6rem;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  color: var(--ink);
}
.trip-card-footer span {
  border-bottom: 1px solid rgba(42, 35, 66, 0.35);
  padding-bottom: 2px;
  transition: border-color 0.3s ease;
}
.trip-card:hover .trip-card-footer span { border-color: var(--ink); }

/* 行程卡两个入口：回忆 / 攻略 */
.trip-card-actions { display: flex; gap: 1.1rem; margin-top: 2rem; flex-wrap: wrap; }
.trip-card-btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 7.2rem; min-height: 3rem; padding: 0.78rem 1.7rem; border-radius: 999px;
  font-size: 0.96rem; font-weight: 500; letter-spacing: 0.16em;
  line-height: 1; overflow: hidden; background-clip: border-box;
  transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1),
    background-color 0.35s ease, color 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
  will-change: transform;
}
.trip-card-btn-primary {
  background: var(--iris-grad); color: #fff; border: 0;
  box-shadow: 0 14px 34px rgba(167, 139, 250, 0.36);
}
.trip-card-btn-primary:hover { transform: translateY(-3px); box-shadow: 0 22px 48px rgba(167, 139, 250, 0.5); }
.trip-card-btn-ghost {
  background: rgba(255, 255, 255, 0.32); color: var(--ink);
  border: 1px solid rgba(42, 35, 66, 0.28);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.trip-card-btn-ghost:hover { transform: translateY(-3px); background: rgba(255, 255, 255, 0.62); border-color: rgba(42, 35, 66, 0.55); }
.trip-card-soon {
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.82rem 1.4rem; border-radius: 99px;
  font-size: 0.88rem; letter-spacing: 0.14em; color: var(--ink-faint);
  border: 1px dashed rgba(42, 35, 66, 0.26);
}
@media (max-width: 480px) { .trip-card-btn { flex: 1; } }

.trip-card-placeholder { opacity: 0.55; cursor: default; }
.trip-card-placeholder:hover { transform: none; box-shadow: 0 18px 52px rgba(96, 76, 170, 0.14); }
.trip-card-placeholder-text {
  font-family: var(--font-kai);
  font-size: 1.1rem;
  letter-spacing: 0.2em;
  color: var(--ink-soft);
}

/* ============ 看板（入夜章） ============ */
#dashboard { padding-bottom: clamp(3rem, 7vh, 5rem); }
#dashboard .section-eyebrow,
#dashboard .section-subtitle { color: var(--moon-soft); }
#dashboard .section-title { color: var(--moon); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(0.9rem, 2vw, 1.5rem);
  margin-top: clamp(2rem, 5vh, 3rem);
}
.stat-card {
  padding: 1.5rem 1.4rem 1.35rem;
  border-radius: 20px;
  background: var(--glass-night);
  border: 1px solid var(--glass-night-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  text-align: left;
  transition: transform 0.45s cubic-bezier(0.19, 1, 0.22, 1), border-color 0.45s ease;
}
.stat-card:hover { transform: translateY(-5px); border-color: rgba(167, 139, 250, 0.4); }
.stat-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.26em;
  color: var(--moon-faint);
  text-transform: uppercase;
}
.stat-number {
  margin: 0.55rem 0 0.4rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(2.6rem, 5.5vw, 4.2rem);
  line-height: 1;
}
.stat-number b {
  font-weight: 400;
  background: linear-gradient(160deg, #ffffff 8%, #cdbcf7 55%, #a78bfa 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 4px 22px rgba(167, 139, 250, 0.4));
}
.stat-number small {
  font-family: var(--font-sans);
  font-style: normal;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--moon-soft);
  margin-left: 0.35rem;
}
.stat-foot { font-size: 0.8rem; color: var(--moon-faint); }

/* 地图 + 侧卡 */
.dashboard-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1rem, 2.4vw, 1.8rem);
  margin-top: clamp(1.2rem, 3vh, 2rem);
}
.dash-map-card,
.dash-trip-card,
.dash-next-card {
  border-radius: 22px;
  background: var(--glass-night);
  border: 1px solid var(--glass-night-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 1.5rem;
  transition: border-color 0.45s ease;
}
.dash-map-card:hover,
.dash-trip-card:hover,
.dash-next-card:hover { border-color: rgba(167, 139, 250, 0.35); }
.dash-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.dash-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--moon-faint);
}
.dash-pill {
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--moon);
  padding: 0.3rem 0.85rem;
  border-radius: 99px;
  border: 1px solid rgba(167, 139, 250, 0.4);
  background: rgba(167, 139, 250, 0.12);
}
.map-stage { border-radius: 14px; overflow: hidden; }
.map-svg { display: block; width: 100%; height: auto; }
.pulse-ring { animation: pulse 2.4s ease-out infinite; transform-origin: center; }
@keyframes pulse {
  0% { transform: scale(0.6); opacity: 0.9; }
  70% { transform: scale(3.4); opacity: 0; }
  100% { transform: scale(3.4); opacity: 0; }
}
.map-legend {
  display: flex;
  gap: 1.4rem;
  margin-top: 1rem;
  font-size: 0.78rem;
  color: var(--moon-faint);
}
.legend-item { display: inline-flex; align-items: center; gap: 0.45rem; }
.legend-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--iris-a);
  box-shadow: 0 0 10px rgba(167, 139, 250, 0.8);
}
.legend-dot.legend-pending { background: transparent; border: 1px solid var(--moon-faint); box-shadow: none; }

.dash-side { display: flex; flex-direction: column; gap: clamp(1rem, 2.4vw, 1.8rem); }
.dash-trip-card, .dash-next-card { flex: 1; }
.dash-trip-title, .dash-next-title {
  font-family: var(--font-kai);
  font-weight: 400;
  font-size: clamp(1.4rem, 2.4vw, 1.8rem);
  color: var(--moon);
  margin: 0.6rem 0 0.5rem;
}
.dash-trip-title .serif, .dash-next-title .serif {
  background: var(--iris-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.dash-trip-meta { font-size: 0.82rem; color: var(--moon-soft); margin-bottom: 0.9rem; }
.dash-trip-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag {
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  padding: 0.32rem 0.8rem;
  border-radius: 99px;
  border: 1px solid rgba(242, 239, 255, 0.22);
  color: var(--moon-soft);
}
.tag.good { border-color: rgba(167, 139, 250, 0.45); color: #cdbcf7; background: rgba(167, 139, 250, 0.1); }
.dash-trip-link {
  display: inline-block;
  margin-top: 1.1rem;
  font-size: 0.88rem;
  letter-spacing: 0.1em;
  color: var(--moon);
  border-bottom: 1px solid rgba(242, 239, 255, 0.35);
  padding-bottom: 2px;
  transition: border-color 0.3s ease;
}
.dash-trip-link:hover { border-color: var(--moon); }
.dash-next-body { font-size: 0.9rem; color: var(--moon-soft); margin-top: 0.4rem; }
.dash-next-progress { margin-top: 1.2rem; display: flex; align-items: center; gap: 0.8rem; }
.dash-progress-bar {
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: rgba(242, 239, 255, 0.12);
  overflow: hidden;
}
.dash-progress-bar span {
  display: block;
  height: 100%;
  border-radius: 2px;
  background: var(--iris-grad);
  box-shadow: 0 0 12px rgba(167, 139, 250, 0.7);
}
.dash-progress-label { font-size: 0.76rem; letter-spacing: 0.1em; color: var(--moon-faint); }

/* ============ 页脚 ============ */
.footer {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 2.2rem var(--gutter-x) calc(2.2rem + env(safe-area-inset-bottom, 0px));
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--moon-faint);
}
.footer::before {
  content: '';
  position: absolute;
  top: 0; left: var(--gutter-x); right: var(--gutter-x);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(167, 139, 250, 0.5), rgba(244, 154, 193, 0.5), transparent);
}
.footer-links { display: flex; gap: 1.4rem; }
.footer-links a { opacity: 0.75; transition: opacity 0.25s ease; }
.footer-links a:hover { opacity: 1; }

/* ============ 响应式 ============ */
@media (max-width: 980px) {
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dashboard-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .hero {
    display: flex;
    align-items: flex-start;
    text-align: center;
    min-height: 100svh;
    padding-top: 6.35rem;
    padding-bottom: 2rem;
  }
  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: none;
    margin: 0;
  }
  .hero-universe {
    top: 35vh;
    right: -18vw;
    bottom: -2vh;
    left: -18vw;
    width: auto;
  }
  .photo-universe-caption {
    right: 50%;
    bottom: 12.5%;
    transform: translateX(50%);
    gap: .55rem;
    font-size: .54rem;
  }
  .photo-universe-caption::before { width: 20px; }
  .photo-universe-caption span:last-child { display: none; }
  .universe-lightbox-figure { gap: .95rem; }
  .universe-lightbox-image-wrap img { max-width: 92vw; max-height: 72vh; border-radius: 6px; }
  .universe-lightbox-image-wrap { border-radius: 6px; }
  .universe-lightbox-figure figcaption { flex-direction: column; align-items: center; gap: .45rem; }
  .universe-lightbox-figure figcaption strong { order: -1; }
  .universe-lightbox-close { width: 44px; height: 44px; }
  .checkin-banner { grid-template-columns: 1fr; }
  .checkin-banner-art { display: none; }
  .navbar { padding: 1.05rem 1.2rem; }
  .navbar-links a { font-size: 0.85rem; letter-spacing: 0.1em; }
  section { padding: 3.6rem 0; }
  .footer { flex-direction: column; gap: 0.6rem; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  .photo-universe-shell,
  #photo-universe-canvas,
  .universe-lightbox,
  .universe-lightbox-figure { transition: none; }
  .universe-lightbox-stars { animation: none; }
}

/* ============ 弱动效 ============ */
@media (prefers-reduced-motion: reduce) {
  .pulse-ring, .cb-emoji, .pre-start-spark { animation: none !important; }
  .reveal, .reveal-stagger > * { opacity: 1 !important; transform: none !important; filter: none !important; }
}