:root {
  color-scheme: light dark;
  --paper: #f4efe7;
  --paper-deep: #ebe3d7;
  --surface: #fcf8f1;
  --surface-muted: #f0e9de;
  --ink: #211e1a;
  --ink-soft: #625b51;
  --ink-faint: #91887b;
  --line: rgba(33, 30, 26, 0.12);
  --line-strong: rgba(33, 30, 26, 0.22);
  --shadow-soft: 0 18px 46px -32px rgba(45, 38, 30, 0.28);
  --shadow-lift: 0 26px 58px -30px rgba(45, 38, 30, 0.34);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 11px;
  --max-width: 1480px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", system-ui, sans-serif;
  --font-display: "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", "SimSun", serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #141210;
    --paper-deep: #0f0e0c;
    --surface: #1b1916;
    --surface-muted: #221f1b;
    --ink: #f1ece3;
    --ink-soft: #bcb3a6;
    --ink-faint: #8e8579;
    --line: rgba(241, 236, 227, 0.13);
    --line-strong: rgba(241, 236, 227, 0.26);
    --shadow-soft: 0 18px 46px -32px rgba(0, 0, 0, 0.62);
    --shadow-lift: 0 26px 58px -30px rgba(0, 0, 0, 0.72);
  }
}

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

html {
  background: var(--paper);
  scrollbar-color: var(--ink-faint) transparent;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100dvb;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--ink);
  color: var(--paper);
}

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

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

a {
  color: inherit;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.gallery-page {
  max-inline-size: var(--max-width);
  margin-inline: auto;
  padding: clamp(28px, 5vw, 76px) clamp(18px, 3.6vw, 56px) 110px;
}

.product-gallery {
  columns: 1;
  column-gap: clamp(20px, 2.4vw, 34px);
}

@media (min-width: 620px) {
  .product-gallery {
    columns: 2 260px;
  }
}

@media (min-width: 980px) {
  .product-gallery {
    columns: 3 280px;
  }
}

@media (min-width: 1320px) {
  .product-gallery {
    columns: 4 280px;
  }
}

.product-tile {
  display: block;
  break-inside: avoid;
  margin-block-end: clamp(30px, 3.8vw, 54px);
  text-decoration: none;
  color: inherit;
}

.product-tile__media {
  display: block;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.product-tile__media img {
  inline-size: 100%;
  block-size: auto;
  transition: transform 900ms var(--ease-out), filter 900ms var(--ease-out);
}

.product-tile__title {
  display: block;
  margin-block-start: 15px;
  padding-inline: 3px;
  font-family: var(--font-display);
  font-size: clamp(1rem, 0.72vw + 0.82rem, 1.22rem);
  font-weight: 500;
  line-height: 1.55;
  letter-spacing: 0.01em;
  text-wrap: balance;
}

@media (hover: hover) {
  .product-tile:hover .product-tile__media img {
    transform: scale(1.018);
    filter: saturate(0.97);
  }

  .product-tile:hover .product-tile__title {
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 5px;
  }
}

.empty-gallery {
  min-block-size: 62dvb;
  display: grid;
  place-content: center;
  text-align: center;
  gap: 8px;
}

.empty-gallery__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.empty-gallery__hint {
  margin: 0;
  color: var(--ink-faint);
  font-size: 0.94rem;
}

.product-page {
  inline-size: min(100% - 32px, 1080px);
  margin-inline: auto;
  padding-block: clamp(44px, 6vw, 88px) 120px;
}

.product-page__title {
  margin: 0 auto clamp(34px, 4vw, 56px);
  max-inline-size: 26ch;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 2.2vw + 0.7rem, 2.75rem);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0.01em;
  text-align: center;
  text-wrap: balance;
}

.product-images {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(14px, 2vw, 26px);
}

.product-images img {
  inline-size: auto;
  max-inline-size: 100%;
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.error-page {
  min-block-size: 100dvb;
  display: grid;
  place-content: center;
  justify-items: center;
  text-align: center;
  gap: 12px;
  padding: 32px;
}

.error-page__code {
  margin: 0;
  font-family: var(--font-display);
  font-size: 5rem;
  line-height: 1;
  color: var(--ink-faint);
}

.error-page__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2vw, 2rem);
  font-weight: 500;
}

.error-page__link {
  margin-block-start: 10px;
  color: var(--ink-soft);
  text-underline-offset: 5px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

}