/* Kiểu chung cho trang /privacy và /terms (lấy từ chinh-sach.html cũ) */
:root {
      color-scheme: dark;
      --night: #1a110b; --wood: #2c1c10; --line: #4a2f1c;
      --lacquer: #b8442f; --gold: #f2c14e; --cream: #fff1cf; --mute: #cdb795; --jade: #7fb79a;
      --f-display: "Baloo 2", "Be Vietnam Pro", system-ui, sans-serif;
      --f-body: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", sans-serif;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 72px; }
    body {
      margin: 0; background: var(--night); color: var(--cream);
      font: 400 16px/1.7 var(--f-body);
      padding: env(safe-area-inset-top, 0px) 0 env(safe-area-inset-bottom, 0px);
    }
    a { color: var(--gold); }
    a:focus-visible, button:focus-visible { outline: 2px solid var(--cream); outline-offset: 2px; }
    .top {
      position: sticky; top: 0; z-index: 2;
      background: rgba(26, 17, 11, .94); backdrop-filter: blur(6px);
      border-bottom: 1px solid var(--line);
    }
    .top-in, main, footer {
      max-width: 760px; margin: 0 auto;
      padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px));
    }
    .top-in { display: flex; align-items: center; gap: 14px; padding-block: 10px; overflow-x: auto; white-space: nowrap; scrollbar-width: none; }
    .top-in::-webkit-scrollbar { display: none; }
    .brand { font: 800 20px var(--f-display); color: var(--cream); text-decoration: none; flex: none; }
    .brand span { color: var(--gold); }
    .top nav { display: flex; gap: 4px; }
    .top nav a { color: var(--mute); text-decoration: none; font-size: 14px; font-weight: 600; padding: 6px 10px; border-radius: 99px; }
    .top nav a:hover { color: var(--cream); background: var(--wood); }
    main { padding-block: 28px 40px; }
    h1, h2 { font-family: var(--f-display); line-height: 1.2; text-wrap: balance; }
    h1 { font-size: clamp(30px, 7vw, 42px); margin: 0 0 6px; }
    h2 { font-size: 26px; color: var(--gold); margin: 48px 0 8px; padding-top: 8px; border-top: 1px solid var(--line); }
    h3 { font-size: 17px; margin: 24px 0 4px; }
    p, li { max-width: 68ch; }
    p { margin: 8px 0; }
    ul, ol { padding-left: 22px; margin: 8px 0; }
    li { margin: 4px 0; }
    .meta { color: var(--mute); font-size: 14px; margin: 0; }
    .summary {
      margin: 22px 0 0; padding: 16px 18px; border-radius: 14px;
      background: var(--wood); border: 1px solid var(--line);
    }
    .summary b { color: var(--gold); }
    .summary ul { margin: 6px 0 0; }
    .table { overflow-x: auto; margin: 10px 0; }
    table { border-collapse: collapse; width: 100%; min-width: 520px; font-size: 14.5px; }
    th, td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
    th { color: var(--mute); font-weight: 700; font-size: 13px; letter-spacing: .04em; text-transform: uppercase; }
    td:first-child { font-weight: 600; white-space: nowrap; }
    .note { border-left: 3px solid var(--jade); padding: 4px 0 4px 14px; color: var(--mute); }
    .warn { border-left: 3px solid var(--lacquer); padding: 4px 0 4px 14px; }
    code { font: 600 14px ui-monospace, Consolas, monospace; color: var(--gold); }
    footer { padding-block: 24px 40px; color: var(--mute); font-size: 14px; border-top: 1px solid var(--line); }
    .back { display: inline-block; margin-top: 10px; padding: 10px 18px; border-radius: 99px; background: var(--lacquer); color: var(--cream); font-weight: 700; text-decoration: none; }
.lang { display:flex; gap:6px; margin-left:auto; flex:none }
.lang a { color: var(--mute); text-decoration:none; font-size:13px; font-weight:700; padding:5px 10px; border-radius:99px; border:1px solid var(--line) }
.lang a[aria-current] { color: var(--night); background: var(--gold); border-color: var(--gold) }
.ph { background: rgba(242,193,78,.15); color: var(--gold); padding: 0 4px; border-radius: 4px }