/* Trang tĩnh con (Bảo mật, Điều khoản): cùng token màu / phông với landing */
*{box-sizing:border-box}
body{margin:0;background:#e6ebf2;color:#171b21;font-family:"Be Vietnam Pro",system-ui,sans-serif;-webkit-font-smoothing:antialiased;text-wrap:pretty}
a{color:#C2187A;text-decoration:none}a:hover{color:#9a1261;text-decoration:underline}
:focus-visible{outline:2px solid #C2187A;outline-offset:2px}
.w{max-width:1200px;margin:0 auto;padding:0 clamp(16px,4vw,40px)}
nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.88);backdrop-filter:blur(12px);box-shadow:0 1px 0 #e3e8ef}
nav .w{display:flex;align-items:center;gap:16px;padding-top:12px;padding-bottom:12px}
.brand{display:flex;align-items:center;gap:10px;color:#171b21;margin-right:auto}.brand:hover{text-decoration:none;color:#171b21}
.brand b{font-size:18px;letter-spacing:-.02em}
.lg{width:36px;height:36px;border-radius:9px;background:linear-gradient(180deg,#fff,#f4f6f9);box-shadow:0 0 0 .5px rgba(23,27,33,.12),0 2px 6px rgba(30,50,80,.14);display:flex;align-items:center;justify-content:center}
.lg img{width:24px;height:24px;object-fit:contain}
.cta{height:40px;padding:0 16px;border-radius:10px;background:#C2187A;color:#fff;display:flex;align-items:center;font-size:14px;font-weight:600;box-shadow:0 6px 16px rgba(194,24,122,.25)}
.cta:hover{background:#9a1261;color:#fff;text-decoration:none}
.doc{max-width:820px;margin:40px auto 64px;background:#fff;border-radius:16px;box-shadow:0 1px 2px rgba(30,50,80,.05),0 6px 18px rgba(30,50,80,.06);padding:clamp(24px,5vw,56px);font-size:15.5px;line-height:1.7;color:#3d4652}
.doc h1{font-size:clamp(28px,4vw,38px);line-height:1.15;letter-spacing:-.03em;color:#171b21;margin:0 0 8px}
.doc .meta{color:#5b6675;font-size:14px;margin:0 0 28px}
.doc h2{font-size:20px;letter-spacing:-.01em;color:#171b21;margin:36px 0 10px}
.doc p{margin:0 0 14px}.doc ul{margin:0 0 14px;padding-left:22px}.doc li{margin:4px 0}
.doc b{color:#171b21;font-weight:600}
footer{background:#fff;box-shadow:0 -1px 0 #e3e8ef}
footer .w{display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;font-size:13px;color:#5b6675;padding-top:20px;padding-bottom:20px}
footer a{color:inherit}footer a:hover{color:#C2187A;text-decoration:none}
footer .brand b{font-size:15px}footer .lg{width:28px;height:28px;border-radius:7px}footer .lg img{width:19px;height:19px}
footer .by{color:#C4275D;font-weight:500;font-size:13px}
.ml{margin-left:auto}
@media (max-width:860px){.doc{margin:20px 16px 40px;width:auto}}
.doc h3{font-size:16px;color:#171b21;margin:22px 0 8px}