/* Hallmark · macrostructure: Workbench · tone: utilitarian · genre: modern-minimal
 * theme: custom (vibe: "industrial navy, precise, enterprise") · studied: no
 * paper: oklch(98.5% 0.008 255) · accent: oklch(32% 0.12 265) · display: Noto Serif SC · body: Noto Sans SC
 * axes: light / classical-serif / cool · nav: N1b · footer: Ft5 Statement
 * enrichment: E1 product captures · audience: 对外销售 · use: 电话咨询/客服/下载
 */

:root {
  /* Brand navy from 司徽 #000080 — hex fallbacks for browsers without oklch */
  --color-accent: #000080;
  --color-accent-strong: #000066;
  --color-accent-soft: #e8eaf5;
  --color-accent-mid: #3344aa;

  --color-paper: #f8f9fc;
  --color-paper-2: #f0f2f7;
  --color-paper-3: #e4e8f0;
  --color-ink: #1a2340;
  --color-ink-2: #3a4560;
  --color-ink-3: #6b7280;
  --color-line: #dde1ea;
  --color-focus: #3344aa;
  --color-on-accent: #f8f9fc;
  --color-hero-ink: #f8f9fc;
  --color-hero-muted: #c8cdd8;

  /* Modern color space (overrides hex when supported) */
  --color-accent: oklch(32% 0.12 265);
  --color-accent-strong: oklch(26% 0.11 265);
  --color-accent-soft: oklch(94% 0.03 265);
  --color-accent-mid: oklch(48% 0.14 265);
  --color-paper: oklch(98.5% 0.008 255);
  --color-paper-2: oklch(96.5% 0.012 255);
  --color-paper-3: oklch(93% 0.016 255);
  --color-ink: oklch(22% 0.03 265);
  --color-ink-2: oklch(38% 0.025 265);
  --color-ink-3: oklch(55% 0.02 265);
  --color-line: oklch(88% 0.015 255);
  --color-focus: oklch(48% 0.14 265);
  --color-on-accent: oklch(98% 0.01 255);
  --color-hero-ink: oklch(98% 0.01 255);
  --color-hero-muted: oklch(88% 0.02 255);

  --font-display: "Noto Serif SC", "Songti SC", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", sans-serif;
  --font-outlier: "Noto Serif SC", "Songti SC", serif;

  --text-display: clamp(2.75rem, 5vw + 1rem, 4.5rem);
  --text-display-s: clamp(2rem, 3vw + 0.75rem, 3rem);
  --text-4xl: clamp(1.75rem, 2vw + 0.75rem, 2.25rem);
  --text-3xl: 1.75rem;
  --text-2xl: 1.375rem;
  --text-xl: 1.125rem;
  --text-lg: 1.0625rem;
  --text-base: 1rem;
  --text-sm: 0.875rem;
  --text-xs: 0.75rem;

  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 8rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --rule: 1px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.55, 0, 1, 0.45);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast: 150ms;
  --dur-med: 280ms;
  --dur-slow: 500ms;

  --shadow-frame: 0 20px 50px oklch(22% 0.03 265 / 0.12);
  --max: 72rem;
  --nav-h: 4.25rem;
}