/* Design System · Desktop V1 — shared by every page and component. */
:root {
  color-scheme: light;
  --font-sans: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-serif: "Iowan Old Style", "Palatino Linotype", "Songti SC", SimSun, serif;
  --font-mono: "Courier New", monospace;
  --text-xs: .75rem; --text-sm: .875rem; --text-base: 1rem; --text-lg: 1.125rem;
  --text-xl: 1.5rem; --text-2xl: 2rem; --text-3xl: clamp(1.8rem,2.5vw,2.5rem);
  --text-display: clamp(1.1rem,1.55vw,1.5rem);
  --text-hero-caption: .875rem;
  --wordmark-weight: 700;
  --hero-slide-width: min(71vw, 1440px); --hero-slide-ratio: 16/9;
  --hero-slide-gap: clamp(1rem, 1.7vw, 2.5rem); --hero-neighbor-scale: .9;
  --hero-neighbor-opacity: .45; --carousel-duration: 850ms;
  --text-page-title: 1.5rem; --text-page-note: 1rem; --text-profile-name: 2.25rem;
  --page-hero-space: 2.5rem;
  --leading-body: 1.9; --leading-heading: 1.35;
  --paper: #f8f8f5; --ink: #242521; --muted: #71726b; --faint: #92938b;
  --line: #d9d9d2; --surface: #eeeee8; --surface-deep: #e0e1d9;
  --night: #20211f; --night-text: #eeeee7; --night-muted: #a1a29a; --night-line: #41423b;
  --space-1: .25rem; --space-2: .5rem; --space-3: .75rem; --space-4: 1rem;
  --space-5: 1.5rem; --space-6: 2rem; --space-7: 3rem; --space-8: 4rem;
  --space-9: 6rem; --space-10: 8rem; --space-11: 10rem;
  --container: 1440px; --gutter: clamp(1.5rem,4.8vw,5rem); --grid-gap: 2rem;
  --nav-height: 80px; --border: 1px solid var(--line); --radius: 0;
  --ease: cubic-bezier(.22,.61,.36,1); --duration-fast: 220ms; --duration: 550ms; --duration-slow: 1000ms;
  --transition: var(--duration) var(--ease);
  --map-land: #283138; --map-example: #384c59; --map-visited: #467897; --map-hover: #76b6d7;
  --map-sea: #182126; --map-border: #617581;
  --viewer-bg: #1b1c19; --viewer-text: #e8e9e0; --viewer-line: #3f4139;
  --viewer-muted: #a4a69b; --viewer-surface: #292b25; --viewer-faint: #8c8f80;
  --viewer-placeholder: #b5b8a9; --detail-rail: 320px; --viewer-rail: 330px;
  --hero-secondary: #c0c1b7; --glow: #dadacf;
  --coordinate-height: 640px; --coordinate-height-compact: 560px;
  --wordmark-size: 1.65rem; --wordmark-section-size: .65rem;
  --places-index-height: clamp(400px,43vw,690px);
  --map-index-highlight: #304c60;
  --places-heading-size: var(--text-lg); --places-heading-weight: 600;
  --regional-map-gap: var(--space-4); --regional-map-ratio: 500/540;
  --photo-card-ratio: 3/2;
  --coordinate-core-size: clamp(1.6rem,2.6vw,2.2rem);
  --coordinate-core-weight: 700;
  --nav-icon-size: 16px; --nav-icon-stroke: 1.25; --nav-icon-shift: 3px;
  --galaxy-blue: #b0c8dc; --galaxy-glow: #91b7d4;
  --galaxy-night: #182126; --galaxy-cloud: #213039; --galaxy-muted: #9aafc5;
  --galaxy-height: clamp(570px,calc(100svh - var(--nav-height) - 170px),840px);
  --galaxy-mobile-height: 1080px;

}
body.theme-dark {color-scheme:dark;--paper:var(--night);--ink:var(--night-text);--muted:var(--night-muted);--faint:#909188;--line:var(--night-line);--surface:#2b2c28;--surface-deep:#343630;}