/* 文字頁（私隱政策、使用條款、老師專頁）共用樣式 */
.page { max-width: 760px; margin: 0 auto; line-height: 1.85; }
.page h1 { font-size: 1.8rem; margin: 8px 0 4px; }
.page h2 { font-size: 1.25rem; margin: 28px 0 8px; }
.page h3 { font-size: 1.05rem; margin: 18px 0 4px; }
.page p, .page li { font-size: 1.02rem; }
.page .muted { color: var(--muted); }
.page .lead { font-size: 1.12rem; }
.page a { color: var(--secondary); }
.page .btn { display: inline-block; text-decoration: none; color: #fff; margin: 6px 0; }
.page table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 12px; overflow: hidden; }
.page th, .page td { text-align: left; padding: 8px 12px; border-bottom: 1px solid #e6edf5; vertical-align: top; }
.page th { background: #f4f8fc; }
.page-links { margin-top: 32px; text-align: center; }
.page-back { display: grid; place-items: center; text-decoration: none; }
.page-title { font-weight: 700; font-size: 1.15rem; }
.card-box { background: var(--card); border-radius: var(--radius); padding: 14px 18px; box-shadow: var(--shadow); margin: 12px 0; }
.idea-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.idea-grid .card-box { margin: 0; }
.idea-grid h3 { margin-top: 0; }
.qr-box { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.qr-box img { width: 160px; height: 160px; border-radius: 12px; background: #fff; padding: 8px; box-shadow: var(--shadow); }