/* Shared base styles for the openzhicheng fun pages.
   Echoes the homepage palette but stands on its own (mobile-first, narrow column). */

:root {
    --bg-color: #F7F9FC;      /* same soft grey as homepage (style.css) */
    --card-bg: #FFFFFF;
    --text-color: #333333;
    --text-light: #8a8a86;
    --accent-text: #2E8B57;   /* homepage sea green */
    --accent-hover: #1f6b42;
    --hairline: rgba(0, 0, 0, 0.08);
    --radius: 12px;
    --font-family: 'Lora', monospace; /* Same font stack as the homepage. */
}

* { box-sizing: border-box; }

body {
    margin: 0;
    padding: 0;
    background: var(--bg-color);
    color: var(--text-color);
    font: 17px/1.6 var(--font-family);
    -webkit-font-smoothing: antialiased;
}

.page {
    max-width: 680px;
    margin: 0 auto;
    padding: 2.5rem 1.25rem 4rem;
}


/* Keep the hub footer near the viewport bottom, even with a short card list. */
.fun-hub {
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.fun-hub .fun-list {
    width: 100%;
    flex: 1;
}

.fun-hub .fun-footer { width: 100%; }

h1 {
    font-size: 1.9rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 0.35rem;
}

h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 2.25rem 0 0.75rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--hairline);
}

p { margin: 0 0 1rem; }

a { color: var(--accent-text); text-decoration: none; }
a:hover { color: var(--accent-hover); }

.subtitle { color: var(--text-light); margin-bottom: 2rem; }

.back-link {
    display: inline-block;
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}
.back-link:hover { color: var(--accent-text); }

/* Card list used by the hub */
.fun-list {
    list-style: none;
    margin: 1.75rem 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.fun-list a.card {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--hairline);
    border-radius: var(--radius);
    padding: 1rem 1.15rem;
    color: var(--text-color);
    transition: border-color 0.15s ease, transform 0.15s ease;
}
.fun-list a.card:hover {
    border-color: var(--accent-text);
    transform: translateY(-1px);
}

.card .emoji {
    width: 44px;
    height: 44px;
    object-fit: contain;
    flex-shrink: 0;
    filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.12));
}
.card .card-title { font-weight: 600; }
.card .card-desc {
    color: var(--text-light);
    font-size: 0.92rem;
    margin-top: 0.1rem;
}

footer.fun-footer {
    margin-top: 3.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--hairline);
    color: var(--text-light);
    font-size: 0.9rem;
}

@media print {
    .back-link, footer.fun-footer { display: none; }
    body { background: #fff; }
}