* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
    background: #f5f0eb;
    color: #333;
    min-height: 100vh;
}

h1 { font-size: clamp(1.4rem, 5vw, 2rem); color: #4a3728; }

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: #888;
    font-size: 0.82rem;
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.2s;
}
.back-link:hover { color: #4a3728; }