淡出下滑

{
  "slug": "fade-out-down",
  "name": "淡出下滑",
  "nameEn": "Fade Out Down",
  "description": "元素向下滑动并逐渐消失，最常见的退场动画之一。",
  "descriptionEn": "Element fades out while sliding downward. One of the most common exit animations.",
  "category": "exit",
  "tags": [
    "fade",
    "slide",
    "exit",
    "unmount"
  ],
  "trigger": "manual",
  "difficulty": "beginner",
  "duration": "400ms",
  "easing": "cubic-bezier(0.4, 0, 1, 1)",
  "cssProperties": [
    "opacity",
    "transform"
  ],
  "isGPUAccelerated": true,
  "previewBg": "light",
  "keywords": [
    "fade out",
    "slide down",
    "exit",
    "leave",
    "unmount animation"
  ],
  "useCases": [
    "Modal dismiss",
    "Toast notification exit",
    "Dropdown close",
    "Card removal"
  ],
  "relatedAnimations": [
    "fade-in-up",
    "fade-in-down"
  ],
  "recommendedStyles": [
    "glassmorphism",
    "minimalist-flat",
    "soft-ui"
  ],
  "codeSnippets": [
    {
      "label": "CSS Keyframes",
      "language": "css",
      "code": "@keyframes fade-out-down {\n  from {\n    opacity: 1;\n    transform: translateY(0);\n  }\n  to {\n    opacity: 0;\n    transform: translateY(20px);\n  }\n}\n\n.fade-out-down {\n  --sk-duration: 400ms;\n  --sk-delay: 0ms;\n  --sk-ease: cubic-bezier(0.4, 0, 1, 1);\n  will-change: transform, opacity;\n  animation: fade-out-down var(--sk-duration) var(--sk-ease) var(--sk-delay) both;\n}\n\n@media (prefers-reduced-motion: reduce) {\n  .fade-out-down {\n    animation: none;\n    opacity: 0;\n    transform: none;\n  }\n}"
    },
    {
      "label": "Tailwind CSS",
      "language": "css",
      "code": "/* Add to your global CSS or Tailwind v4 theme */\n@keyframes fade-out-down {\n  from {\n    opacity: 1;\n    transform: translateY(0);\n  }\n  to {\n    opacity: 0;\n    transform: translateY(20px);\n  }\n}\n\n@utility animate-fade-out-down {\n  --sk-duration: 400ms;\n  --sk-delay: 0ms;\n  --sk-ease: cubic-bezier(0.4, 0, 1, 1);\n  will-change: transform, opacity;\n  animation: fade-out-down var(--sk-duration) var(--sk-ease) var(--sk-delay) both;\n}\n\n@media (prefers-reduced-motion: reduce) {\n  .fade-out-down {\n    animation: none;\n    opacity: 0;\n    transform: none;\n  }\n}"
    },
    {
      "label": "Framer Motion",
      "language": "tsx",
      "code": "import { motion } from \"framer-motion\";\n\n// Tip: respect user's motion preferences\n// import { useReducedMotion } from \"framer-motion\";\n// const reduced = useReducedMotion();\n// Use reduced ? { opacity: 0 } : { opacity: 0, y: 20 } for exit\n\n<motion.div\n  initial={{ opacity: 1, y: 0 }}\n  exit={{ opacity: 0, y: 20 }}\n  transition={{ duration: 0.4, ease: [0.4, 0, 1, 1] }}\n>\n  Content\n</motion.div>"
    }
  ]
}