:root { font-family: system-ui, -apple-system, "Noto Sans TC", sans-serif; }
body { margin: 0; background: #fafafa; }
.container { max-width: 760px; margin: 24px auto; padding: 0 16px; }
h1 { margin: 0 0 16px; }
.card { background: #fff; border: 1px solid #eee; border-radius: 12px; padding: 14px; display: grid; gap: 10px; }
textarea { min-height: 90px; padding: 10px; border-radius: 10px; border: 1px solid #ddd; resize: vertical; }
button { padding: 10px 12px; border-radius: 10px; border: 0; background: #111; color: #fff; cursor: pointer; }
.post { margin-top: 12px; background: #fff; border: 1px solid #eee; border-radius: 12px; padding: 12px; }
.meta { color: #666; font-size: 12px; margin-top: 6px; }
img { max-width: 100%; border-radius: 10px; display: block; margin-top: 10px; }