/* Kieu dang cho CAC TRANG CONG KHAI (/ho-tro, /quyen-rieng-tu).
 *
 * 🔴 KHONG dung chung `style.css` cua ung dung, va do la co y. Tep kia nang,
 * gan voi bo cuc cua man quan tri, va moi lan doi giao dien app la mot lan co
 * the lam vo mot trang ma NGUOI XET DUYET CUA APPLE dang mo. Trang cong khai
 * phai dung yen duoc hang thang ma khong ai cham vao.
 *
 * ⚠ Khong nap phong chu tu Google Fonts: nguoi xet duyet co the mo trang tu mot
 * duong mang bat ky, va mot trang trang tinh vi doi phong chu la mot trang
 * hong. Dung phong he thong - co san, tuc thi, o moi may.
 */
:root {
  --muc: #0f172a; --nhat: #475569; --mo: #94a3b8;
  --vien: #e2e8f0; --nen: #f8fafc; --nhan: #2563eb;
}
* { box-sizing: border-box; }
body {
  margin: 0; padding: 0 20px 64px;
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
  color: var(--muc); background: #fff;
  -webkit-text-size-adjust: 100%;
}
.bao { max-width: 720px; margin: 0 auto; }
header { padding: 40px 0 28px; border-bottom: 1px solid var(--vien); margin-bottom: 32px; }
.ten-app { font-size: 28px; font-weight: 700; letter-spacing: -0.02em; margin: 0 0 6px; }
.phu { color: var(--nhat); margin: 0; }
h2 { font-size: 20px; font-weight: 650; margin: 40px 0 12px; letter-spacing: -0.01em; }
h3 { font-size: 16px; font-weight: 650; margin: 24px 0 8px; }
p, li { color: #1e293b; }
ul { padding-left: 22px; }
li { margin: 6px 0; }
a { color: var(--nhan); }
.hop {
  background: var(--nen); border: 1px solid var(--vien);
  border-radius: 12px; padding: 20px 22px; margin: 20px 0;
}
.hop p:first-child { margin-top: 0; }
.hop p:last-child { margin-bottom: 0; }
.lienhe { display: grid; grid-template-columns: 120px 1fr; gap: 8px 16px; margin: 0; }
.lienhe dt { color: var(--nhat); }
.lienhe dd { margin: 0; font-weight: 550; }
table { border-collapse: collapse; width: 100%; margin: 16px 0; font-size: 15px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--vien); vertical-align: top; }
th { color: var(--nhat); font-weight: 600; }
/* Khoi tieng Anh: nguoi xet duyet cua Apple doc tieng Anh. De ho phai dich mot
 * trang tieng Viet la them mot ly do de ho khong hieu app lam gi. */
.en { border-top: 1px solid var(--vien); margin-top: 48px; padding-top: 8px; }
.en h2:first-of-type { margin-top: 24px; }
footer {
  margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--vien);
  color: var(--mo); font-size: 14px;
}
footer a { color: var(--nhat); }
@media (max-width: 520px) {
  .ten-app { font-size: 24px; }
  .lienhe { grid-template-columns: 1fr; gap: 2px 0; }
  .lienhe dd { margin-bottom: 10px; }
}