/* Trang Chính sách bảo mật & Điều khoản sử dụng – cùng màu với website */
:root {
  --brand: #0f9d76; --brand-d: #0b7d5e; --brand-l: #e4f5ef;
  --ink: #14201b; --muted: #5c6b64; --line: #e3e8e5; --bg: #f6f8f7; --card: #fff;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; font: 16px/1.7 Inter, Roboto, 'Helvetica Neue', Arial, sans-serif; color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { color: var(--brand-d); }
.top { position: sticky; top: 0; z-index: 5; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.top .in { max-width: 860px; margin: 0 auto; padding: 0 20px; height: 60px; display: flex; align-items: center; gap: 1rem; }
.brand { display: flex; align-items: center; gap: .55rem; font-weight: 800; font-size: 19px; color: var(--ink); text-decoration: none; }
.brand i { width: 30px; height: 30px; border-radius: 9px; background: var(--brand); color: #fff; display: grid; place-items: center; font-style: normal; font-size: 17px; }
.top nav { margin-left: auto; display: flex; gap: 1.1rem; font-size: 14px; font-weight: 600; }
.top nav a { color: var(--muted); text-decoration: none; }
.top nav a.on, .top nav a:hover { color: var(--brand-d); }
main { max-width: 860px; margin: 0 auto; padding: 32px 20px 64px; }
.doc { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 36px 40px; box-shadow: 0 1px 2px rgba(16,40,30,.05); }
h1 { font-size: 30px; line-height: 1.25; margin: 0 0 .3rem; letter-spacing: -.02em; }
.meta { color: var(--muted); font-size: 14px; margin: 0 0 1.4rem; }
.lead { background: var(--brand-l); border-radius: 12px; padding: 14px 18px; margin: 0 0 1.6rem; }
.toc { border: 1px solid var(--line); border-radius: 12px; padding: 12px 18px; margin: 0 0 1.8rem; font-size: 15px; }
.toc b { display: block; margin-bottom: .2rem; }
.toc ol { margin: 0; padding-left: 1.3rem; columns: 2; column-gap: 2rem; }
.toc a { text-decoration: none; }
h2 { font-size: 20px; margin: 2rem 0 .6rem; padding-top: .2rem; letter-spacing: -.01em; }
h3 { font-size: 16px; margin: 1.2rem 0 .4rem; }
p, li { margin: .45rem 0; }
ul, ol { padding-left: 1.3rem; }
table { width: 100%; border-collapse: collapse; margin: .8rem 0; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: .55rem .7rem; border: 1px solid var(--line); }
th { background: var(--bg); font-weight: 600; }
.note { color: var(--muted); font-size: 14px; }
.contact-box { border: 1px solid var(--line); border-radius: 12px; padding: 12px 18px; }
.contact-box p { margin: .25rem 0; }
footer { text-align: center; color: var(--muted); font-size: 14px; padding: 0 20px 40px; }
footer a { margin: 0 .5rem; }
@media (max-width: 640px) {
  .doc { padding: 22px 18px; border-radius: 14px; }
  h1 { font-size: 24px; }
  .toc ol { columns: 1; }
  .top nav { gap: .8rem; font-size: 13px; }
  .top nav .hide-sm { display: none; }
  table { font-size: 14px; }
  th, td { padding: .45rem .5rem; }
}
@media print { .top, footer, .toc { display: none; } .doc { border: 0; box-shadow: none; padding: 0; } }