/* ===================================================================
 * matte · 哑光 · 设计令牌
 * 气质:内敛、高级、无光泽、低饱和、静奢
 * 适合:高端生活方式/家居/美妆/独立品牌
 * =================================================================== */
:root {
  --color-primary: #4A4A52;            /* 哑光深灰,无光泽 */
  --color-primary-soft: rgba(74, 74, 82, 0.08);
  --color-secondary: #8C8C95;          /* 中灰 */

  --color-bg: #EDEBE8;                /* 暖灰白,纸质哑光底 */
  --color-card: #F5F3F0;
  --color-border: #D8D4CE;

  --color-text: #2E2E33;
  --color-text-secondary: #6B6B73;
  --color-text-muted: #9C9CA3;
  --color-text-disabled: #C4C4CA;
  --color-text-inverse: #F5F3F0;

  --color-success: #6B8E6B;
  --color-warning: #B89968;
  --color-error: #9C5A5A;
  --color-info: #5A7A8C;

  --font-heading: 'Inter', 'PingFang SC', sans-serif;  /* 无衬线,克制 */
  --font-body: 'Inter', 'PingFang SC', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --font-size-xs: 0.75rem; --font-size-sm: 0.875rem; --font-size-base: 1rem;
  --font-size-lg: 1.25rem; --font-size-xl: 1.75rem; --font-size-2xl: 2.5rem; --font-size-3xl: 3.75rem;

  --font-weight-regular: 300; --font-weight-medium: 400; --font-weight-semibold: 500; --font-weight-bold: 600;

  --line-height-tight: 1.2; --line-height-normal: 1.7; --line-height-relaxed: 1.85;
  --letter-spacing-tight: -0.01em; --letter-spacing-normal: 0; --letter-spacing-wide: 0.2em;

  --space-page-x: 32px; --space-section: 100px; --space-card-pad: 36px;

  --radius-none: 0; --radius-sm: 4px; --radius-md: 8px; --radius-lg: 12px; --radius-full: 9999px;
  --border-width-thin: 1px; --border-width-normal: 1px;

  /* 哑光阴影:极淡,无光泽,几乎无 */
  --shadow-sm: 0 1px 3px rgba(46,46,51,0.04);
  --shadow-md: 0 2px 8px rgba(46,46,51,0.06);
  --shadow-lg: 0 8px 24px rgba(46,46,51,0.08);

  --motion-duration-fast: 200ms; --motion-duration-normal: 400ms; --motion-duration-slow: 700ms;
  --motion-easing-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --motion-easing-decelerate: cubic-bezier(0, 0, 0.2, 1);
  --motion-easing-spring: cubic-bezier(0.4, 0, 0.2, 1);

  --container-max: 1100px; --ratio-card: 4 / 5;
  --color-code-bg: #2E2E33; --color-code-text: #EDEBE8;
}