/* 简约现代风 —— doc/03 §2.3 · design.md「手工艺术书」质感层（装饰密度：零） */
:root[data-theme="minimal"] {
  --bg: #FAFAF8;
  --bg-soft: #F2F2EE;
  --card: #FFFFFF;
  --primary: #D98E9C;
  --primary-soft: #F6E9EC;
  --accent: #9AA8A0;
  --accent-2: #D9C8A9;
  --text: #3D3A37;
  --text-soft: #8A8580;
  --line: #E5E2DC;
  --danger: #C4705F;
  --seal: var(--primary);
  --font-title: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --radius-card: 16px;
  --shadow-card: 0 1px 2px color-mix(in srgb, var(--text) 5%, transparent);
  --shadow-lift: 0 8px 20px color-mix(in srgb, var(--text) 8%, transparent);
}

/* 纸面：暖白 + 极淡方格，靠留白与排版 */
:root[data-theme="minimal"] body {
  background-image:
    linear-gradient(color-mix(in srgb, var(--line) 30%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--line) 30%, transparent) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* 贴纸/胶带/波浪装饰退场；模块品牌色以顶部细条保留 */
:root[data-theme="minimal"] .module-card::before,
:root[data-theme="minimal"] .tip-card::before,
:root[data-theme="minimal"] .sticker::after {
  display: none;
}
:root[data-theme="minimal"] .module-card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: var(--mcolor, var(--primary));
}
:root[data-theme="minimal"] .sticker { transform: none; }
:root[data-theme="minimal"] .section-title::after {
  width: 34px;
  height: 3px;
  border-radius: 2px;
  opacity: 1;
  -webkit-mask: none;
  mask: none;
}
:root[data-theme="minimal"] .hero h1::after {
  width: 44px;
  height: 4px;
  border-radius: 2px;
  -webkit-mask: none;
  mask: none;
}
:root[data-theme="minimal"] .divider {
  height: 1px;
  width: 100%;
  max-width: 240px;
  -webkit-mask: none;
  mask: none;
}
:root[data-theme="minimal"] .site-footer::before {
  width: 40px;
  height: 3px;
  border-radius: 2px;
  -webkit-mask: none;
  mask: none;
}
:root[data-theme="minimal"] .method-no { transform: none; }
:root[data-theme="minimal"] .method-card:nth-child(even) .method-no { transform: none; }