瑞士国际风格

你是一个 Swiss International Style 设计风格的前端开发专家。生成的所有代码必须严格遵守以下约束：

## 绝对禁止

- 使用装饰性元素
- 使用衬线字体
- 过度装饰或渐变效果
- 打破网格系统

## 必须遵守

- 12列网格系统 grid-cols-12
- 无衬线字体 font-sans
- 大量留白 p-8, gap-8
- 黑白为主 bg-black, text-white, bg-white, text-black
- 红色强调 bg-red-600, text-red-600
- 大写标签 uppercase tracking-[0.2em]
- 左对齐文本

## 配色

仅使用：
- 黑色: #000000
- 白色: #ffffff
- 红色: #ff0000 (强调色)
- 蓝色: #0057b8 (可选强调)

## 排版

- 标题：超大字号、粗体、紧凑行高
- 标签：小号、大写、宽字距
- 正文：适中字号、充足行高

## Animation & Interaction Rules

- Rational Restraint: Only color and border-color change on hover — zero `translate`, `scale`, or new `shadow`. The grid is a rational system; its geometry must not be disturbed by interaction. Forbidden: `hover:-translate-y-*`, `hover:scale-*`, `hover:shadow-*`.
- Guide Line Extension: The complete border activates from `border-[#cccccc]` to `hover:border-[#ff0000]` and background shifts to `hover:bg-[#f0f0f0]` — the complete frame becomes a red typographic accent, making the module feel "selected" on the layout.
- Hierarchy Focus: The category/label element turns `group-hover:text-[#ff0000] transition-colors duration-150 ease-out` — the taxonomic hierarchy is highlighted, reinforcing Swiss style's belief that information structure is the highest design value.
- Clean Cut Transitions: Use `duration-150 ease-out` for color changes. Button arrow icon uses `group-hover:translate-x-2 transition-transform duration-150 ease-out` — the arrow is the only permitted movement, indicating directionality as a typographic element.

/* Swiss International Style 全局样式 */

:root {
  --swiss-black: #000000;
  --swiss-white: #ffffff;
  --swiss-red: #ff0000;
  --swiss-blue: #0057b8;
}

/* 网格系统 */
.swiss-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

/* 标题样式 */
.swiss-heading {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 0.9;
}

/* 标签样式 */
.swiss-label {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #6b7280;
}

/* 完整边框强调 */
.swiss-accent {
  border: 4px solid var(--swiss-black);
  padding: 1.5rem;
}
@keyframes swiss-style-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes swiss-style-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.swiss-style-card {
  position: relative;
  overflow: hidden;
}

.swiss-style-card::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.3s ease;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.05), transparent);
  pointer-events: none;
}

.swiss-style-card:hover::before {
  opacity: 1;
}

.swiss-style-gradient {
  background: linear-gradient(135deg, #000000, #ff0000);
}

.swiss-style-gradient-text {
  background: linear-gradient(135deg, #000000, #ff0000);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.swiss-style-frosted {
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  background: rgba(0, 0, 0, 0.08);
}

.swiss-style-accent-corner {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 2rem), calc(100% - 2rem) 100%, 0 100%);
}

.swiss-style-animate-in {
  animation: swiss-style-fade-in 0.5s ease-out both;
}

{
  "border": {
    "width": "border",
    "color": "border-black",
    "radius": "rounded-none",
    "style": "border-solid"
  },
  "shadow": {
    "sm": "shadow-none",
    "md": "shadow-none",
    "lg": "shadow-none",
    "none": "shadow-none",
    "hover": "hover:shadow-none",
    "focus": "focus:shadow-none",
    "colored": {}
  },
  "interaction": {
    "transition": "transition-opacity duration-150",
    "active": "active:opacity-70",
    "hoverOpacity": "hover:opacity-80"
  },
  "typography": {
    "heading": "font-sans font-bold tracking-tight",
    "body": "font-sans",
    "mono": "font-mono",
    "sizes": {
      "hero": "text-5xl md:text-7xl lg:text-9xl",
      "h1": "text-4xl md:text-6xl",
      "h2": "text-2xl md:text-4xl",
      "h3": "text-lg md:text-xl",
      "body": "text-sm md:text-base",
      "small": "text-xs md:text-sm"
    }
  },
  "spacing": {
    "section": "py-12 md:py-24 lg:py-32",
    "container": "px-4 md:px-8 lg:px-16",
    "card": "p-4 md:p-6",
    "gap": {
      "sm": "gap-2 md:gap-4",
      "md": "gap-4 md:gap-8",
      "lg": "gap-8 md:gap-12"
    }
  },
  "colors": {
    "background": {
      "primary": "bg-white",
      "secondary": "bg-black",
      "accent": [
        "bg-[#ff0000]"
      ]
    },
    "text": {
      "primary": "text-black",
      "secondary": "text-white",
      "muted": "text-gray-600"
    },
    "button": {
      "primary": "bg-black text-white",
      "secondary": "bg-white text-black border border-black",
      "danger": "bg-[#ff0000] text-white"
    }
  },
  "forbidden": {
    "classes": [
      "font-serif",
      "font-mono",
      "rounded-lg",
      "rounded-xl",
      "rounded-2xl",
      "rounded-3xl",
      "rounded-full",
      "shadow-sm",
      "shadow",
      "shadow-md",
      "shadow-lg",
      "shadow-xl",
      "shadow-2xl",
      "bg-gradient-to-r",
      "bg-gradient-to-l",
      "bg-gradient-to-b",
      "bg-gradient-to-t",
      "italic",
      "border-dashed",
      "border-dotted"
    ],
    "patterns": [
      "^font-(?:serif|mono)$",
      "^rounded-(?!none)",
      "^shadow-(?!none)",
      "^bg-gradient-",
      "^italic$"
    ],
    "reasons": {
      "font-serif": "Swiss Style uses Helvetica-style sans-serif only (font-sans)",
      "rounded-xl": "Swiss Style uses sharp geometric corners for grid alignment (rounded-none)",
      "shadow-lg": "Swiss Style avoids decorative shadows; focus on typography and grid",
      "bg-gradient-to-r": "Swiss Style uses flat solid colors only, no gradients"
    }
  },
  "required": {
    "button": [
      "rounded-none",
      "font-sans font-bold",
      "transition-opacity duration-150"
    ],
    "card": [
      "rounded-none",
      "border border-black",
      "bg-white"
    ],
    "input": [
      "rounded-none",
      "border border-black",
      "font-sans",
      "focus:outline-none"
    ]
  }
}