/* CHUNSE pill nav — 奶油胶囊 + 深棕橙激活（对齐参考站） */

:root {
  --gn-warm: #9a5230;
  --gn-warm-soft: #b05f38;
  --gn-foam: #f7f3ee;
  --gn-ink: #2a241e;
  --gn-muted: #6b635b;
  --gn-veil: #faf7f2;
  --gn-bar: rgba(247, 243, 238, 0.94);
  --gn-seam: rgba(42, 36, 30, 0.06);
  --gn-glow: rgba(42, 36, 30, 0.1);
}

/* 只藏站点顶栏，不要误伤页面内的 <header>（联系页抬头等） */
body.gn-ready #root > div > header,
body.gn-ready #root header.sticky,
body.gn-ready #root header.fixed,
body.gn-ready #root header[class*="sticky"],
body.gn-ready #root header[class*="fixed"] {
  visibility: hidden !important;
  pointer-events: none !important;
  height: 0 !important;
  min-height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  overflow: hidden !important;
  opacity: 0 !important;
}

/* 样片暗房页：隐藏全站顶栏，避免与「样片库」返回条重复 */
body.sample-viewer-open .gn-root,
body.sample-viewer-open #root header,
.gn-root.is-hidden {
  visibility: hidden !important;
  pointer-events: none !important;
  opacity: 0 !important;
}

.gn-root {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 80;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem clamp(1rem, 3vw, 1.75rem);
  pointer-events: none;
  background: transparent;
  border-bottom: 1px solid transparent;
  box-shadow: none;
  transition:
    background-color 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

/* 离开 hero：顶栏尽量轻，主体是中间奶油胶囊 */
.gn-root:not(.is-overlay) {
  background: color-mix(in srgb, var(--gn-foam) 72%, transparent);
  border-bottom-color: transparent;
  box-shadow: none;
  backdrop-filter: blur(10px) saturate(1.05);
  -webkit-backdrop-filter: blur(10px) saturate(1.05);
}

.gn-root > * {
  pointer-events: auto;
}

.gn-brand {
  display: inline-flex;
  align-items: center;
  height: 44px;
  text-decoration: none;
  color: #1e1a17 !important;
  opacity: 1;
  z-index: 2;
}

.gn-brand-text {
  font-family: "Libre Bodoni", "Cormorant Infant", Georgia, serif;
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: 0.18em;
  padding-right: 0.18em;
  line-height: 1;
  text-transform: uppercase;
  user-select: none;
  color: inherit;
}

.gn-root.is-overlay .gn-brand {
  color: #f4efe6 !important;
}

.gn-root.is-overlay .gn-brand-text {
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.35);
}

.gn-brand-img {
  display: block;
  height: 32px;
  width: auto;
}

.gn-root.is-overlay .gn-brand-img {
  filter: drop-shadow(0 1px 8px rgba(0, 0, 0, 0.35));
}

.gn-brand:hover,
.gn-brand:focus-visible {
  outline: none;
}

.gn-shell {
  justify-self: center;
  min-width: 0;
  max-width: 100%;
}

.gooey-nav-container {
  position: relative;
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  min-width: 0;
  padding: 0.28rem 0.38rem;
  border-radius: 999px;
  background: var(--gn-veil);
  border: 1px solid var(--gn-seam);
  box-shadow:
    0 8px 24px rgba(42, 36, 30, 0.1),
    0 2px 6px rgba(42, 36, 30, 0.04);
  backdrop-filter: blur(12px) saturate(1.05);
  -webkit-backdrop-filter: blur(12px) saturate(1.05);
}

/* 首屏也保持奶油胶囊，不反成深色条 */
.gn-root.is-overlay .gooey-nav-container,
.gn-root:not(.is-overlay) .gooey-nav-container {
  background: var(--gn-veil);
  border-color: var(--gn-seam);
  box-shadow:
    0 8px 24px rgba(42, 36, 30, 0.1),
    0 2px 6px rgba(42, 36, 30, 0.04);
}

.gooey-nav-container nav {
  display: flex;
  position: relative;
}

/* Sliding active pill — transform driven 1:1 with scroll when .is-scroll-sync */
.gn-active-pill {
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 0;
  border-radius: 100vw;
  background: linear-gradient(180deg, var(--gn-warm-soft) 0%, var(--gn-warm) 100%);
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  will-change: transform, width, height;
  transform: translate3d(0, 0, 0);
  transition: none;
  box-shadow: 0 4px 12px rgba(154, 82, 48, 0.28);
}

.gn-active-pill.is-ready {
  opacity: 1;
}

/* Discrete jumps (secondary pages / layout): soft slide, not instant */
.gn-active-pill.is-animating {
  transition:
    transform 0.72s cubic-bezier(0.16, 1, 0.3, 1),
    width 0.72s cubic-bezier(0.16, 1, 0.3, 1),
    height 0.72s cubic-bezier(0.16, 1, 0.3, 1);
}

.gn-root.is-overlay .gn-active-pill {
  background: linear-gradient(180deg, var(--gn-warm-soft) 0%, var(--gn-warm) 100%);
}

@media (prefers-reduced-motion: reduce) {
  .gn-active-pill.is-animating {
    transition-duration: 0.01ms;
  }
}

.gooey-nav-container nav ul {
  display: flex;
  gap: 0.1rem;
  list-style: none;
  padding: 0;
  margin: 0;
  position: relative;
  z-index: 1;
}

.gooey-nav-container nav ul li {
  border-radius: 100vw;
  position: relative;
  cursor: pointer;
  color: var(--gn-muted);
  transition: color 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

.gn-root.is-overlay .gooey-nav-container nav ul li {
  color: var(--gn-muted);
}

.gooey-nav-container nav ul li a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.52em 1em;
  /* 抵消 letter-spacing 在末字后多出的空隙，避免高亮胶囊视觉偏右 */
  margin-inline-end: -0.04em;
  color: inherit;
  font-family: "Public Sans", "Noto Sans SC", system-ui, sans-serif;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  z-index: 1;
}

.gooey-nav-container nav ul li:focus-within:has(:focus-visible) {
  outline: 2px solid var(--gn-warm);
  outline-offset: 2px;
}

.gooey-nav-container nav ul li.active {
  color: #fff;
}

.gn-root.is-overlay .gooey-nav-container nav ul li.active {
  color: #fff;
}

.gn-utils {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 0.4rem;
}

.gn-utils-mobile {
  display: none;
}

.gn-util {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  padding: 0 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--gn-seam);
  background: rgba(255, 248, 242, 0.94);
  color: var(--gn-ink);
  font-family: "Public Sans", "Noto Sans SC", system-ui, sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  cursor: pointer;
}

.gn-root.is-overlay .gn-util {
  background: rgba(250, 247, 242, 0.94);
  border-color: var(--gn-seam);
  color: var(--gn-ink);
}

/* 切换遮罩：盖住首页轮播，避免切页时闪一帧 hero */
#gn-leave-veil {
  position: fixed;
  inset: 0;
  z-index: 70;
  background: transparent;
  opacity: 0;
  pointer-events: none;
}

#gn-leave-veil.is-on {
  opacity: 1;
  pointer-events: auto;
}

html.gn-leaving #root {
  visibility: hidden !important;
  pointer-events: none !important;
}

html.gn-leaving .gn-root {
  opacity: 1 !important;
  pointer-events: auto !important;
  visibility: visible !important;
}

.gn-burger {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--gn-seam);
  background: rgba(255, 248, 242, 0.94);
  color: var(--gn-ink);
  cursor: pointer;
  transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.gn-root.is-overlay .gn-burger {
  background: rgba(250, 247, 242, 0.94);
  border-color: var(--gn-seam);
  color: var(--gn-ink);
}

.gn-burger-lines {
  display: block;
  width: 16px;
  height: 1.5px;
  margin: 0 auto;
  background: currentColor;
  box-shadow: 0 -5px 0 currentColor, 0 5px 0 currentColor;
}

/* 中等宽度：先收紧胶囊，避免品牌/导航/EN 互相挤压 */
@media (max-width: 1180px) and (min-width: 1101px) {
  .gn-root {
    gap: 0.55rem;
    padding-inline: 0.85rem;
  }

  .gn-brand-text {
    font-size: 0.95rem;
    letter-spacing: 0.12em;
  }

  .gooey-nav-container {
    padding: 0.22rem 0.28rem;
  }

  .gooey-nav-container nav ul li a {
    padding: 0.48em 0.72em;
    font-size: 0.75rem;
  }

  .gn-util {
    height: 34px;
    padding: 0 0.7rem;
    font-size: 0.68rem;
  }
}

/* ≤1100：改汉堡菜单，避免桌面胶囊横向溢出 */
@media (max-width: 1100px) {
  .gn-root {
    grid-template-columns: auto auto 1fr;
  }

  .gn-shell {
    display: none;
    position: absolute;
    top: calc(100% - 0.2rem);
    left: 50%;
    transform: translateX(-50%);
    width: min(92vw, 420px);
  }

  .gn-root.is-open .gn-shell {
    display: block;
  }

  .gooey-nav-container {
    width: 100%;
    border-radius: 1.25rem;
  }

  .gooey-nav-container nav,
  .gooey-nav-container nav ul {
    width: 100%;
    flex-direction: column;
  }

  .gooey-nav-container nav ul li a {
    width: 100%;
    justify-content: flex-start;
    white-space: normal;
  }

  .gn-burger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    justify-self: end;
  }

  .gn-utils-desktop {
    display: none;
  }

  .gn-root.is-open .gn-utils-mobile {
    display: flex;
    justify-content: flex-end;
    margin-top: 0.55rem;
  }
}