/* Trang chung dựng lại theo chuẩn trang chủ (02/11/2026): /gioi-thieu/, /chinh-sach/, 404.
   Chỉ dùng token của mayai-moi.css; mọi luật gói trong body.trang-* / body.error404 để khỏi đụng tệp khác. */

/* ---------- dùng chung ba trang ---------- */
body.error404 .m-phan { padding: clamp(36px, 4.5vw, 56px) 0; }
body.error404 .m-h2 { font-size: clamp(30px, 3.8vw, 44px); margin-top: 12px; }
:is(body.trang-gioi-thieu, body.trang-chinh-sach, body.error404) .tc-mo { padding: 28px 0 clamp(28px, 4vw, 44px); }
:is(body.trang-gioi-thieu, body.trang-chinh-sach, body.error404) .tc-h1 { font-family: var(--tieu-de); font-weight: 600; font-size: clamp(34px, 5.2vw, 60px); line-height: 1.12; letter-spacing: -.035em; margin: 14px 0 0; text-wrap: balance; overflow-wrap: break-word; }
:is(body.trang-gioi-thieu, body.trang-chinh-sach, body.error404) .tc-mo .m-mo-ta { margin: 14px auto 0; max-width: 640px; }
:is(body.trang-gioi-thieu, body.trang-chinh-sach) .tc-cuoi { margin-top: clamp(28px, 4vw, 44px); }
:is(body.trang-gioi-thieu, body.trang-chinh-sach) .tc-cuoi__nut { display: flex; gap: 10px; flex-wrap: wrap; position: relative; z-index: 1; }

/* ---------- /gioi-thieu/ ---------- */
body.trang-gioi-thieu .tg-chuyen { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(24px, 5vw, 64px); align-items: start; }
body.trang-gioi-thieu .tg-chuyen__chu p { margin: 0 0 14px; font-size: 16.5px; line-height: 1.75; color: var(--chu); }
body.trang-gioi-thieu .tg-chuyen__chu p:last-child { margin-bottom: 0; }

body.trang-gioi-thieu .tg-ba { margin-top: 26px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
body.trang-gioi-thieu .tg-ba article { padding: 22px; border: 1px solid var(--vien); border-radius: var(--bo); background: #fff; transition: border-color .15s; }
body.trang-gioi-thieu .tg-ba article:hover { border-color: var(--tim); }
body.trang-gioi-thieu .tg-ba__hinh { width: 48px; height: 48px; border-radius: 14px; background: var(--den); color: var(--chanh); display: flex; align-items: center; justify-content: center; }
body.trang-gioi-thieu .tg-ba__hinh svg { width: 26px; height: 26px; display: block; }
body.trang-gioi-thieu .tg-ba h3 { font-size: 19px; font-weight: 600; letter-spacing: -.02em; line-height: 1.3; margin: 14px 0 6px; }
body.trang-gioi-thieu .tg-ba p { margin: 0; font-size: 15px; line-height: 1.6; color: var(--chu); }

body.trang-gioi-thieu .tg-logo { display: grid; grid-template-columns: minmax(0, 220px) minmax(0, 1fr); gap: clamp(24px, 5vw, 64px); align-items: center; }
body.trang-gioi-thieu .tg-logo__hoa { width: 100%; max-width: 220px; aspect-ratio: 1; border-radius: 50%; background: #fff; border: 1px solid #F5DCB3; display: flex; align-items: center; justify-content: center; }
body.trang-gioi-thieu .tg-logo__hoa svg { width: 62%; display: block; }
body.trang-gioi-thieu .tg-logo__y { margin: 16px 0 0; font-size: 17px; line-height: 1.72; color: var(--chu); max-width: 620px; }

body.trang-gioi-thieu .tg-phap { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(24px, 5vw, 64px); align-items: start; }
body.trang-gioi-thieu .tg-phap__ghi { margin: 14px 0 0; font-size: 15px; color: var(--chu); }
body.trang-gioi-thieu .tg-phap__ghi a, body.trang-gioi-thieu .tg-phap__bang a { color: var(--tim-dam); text-decoration: underline; }
body.trang-gioi-thieu .tg-phap__bang { margin: 0; border: 1px solid var(--vien); border-radius: var(--bo); background: #fff; overflow: hidden; }
body.trang-gioi-thieu .tg-phap__bang div { display: grid; grid-template-columns: 140px minmax(0, 1fr); gap: 12px; padding: 12px 18px; border-top: 1px solid var(--vien); font-size: 15px; }
body.trang-gioi-thieu .tg-phap__bang div:first-child { border-top: 0; }
body.trang-gioi-thieu .tg-phap__bang dt { color: var(--nhat); }
body.trang-gioi-thieu .tg-phap__bang dd { margin: 0; color: var(--den); font-weight: 500; overflow-wrap: anywhere; }

/* ---------- /chinh-sach/ ---------- */
body.trang-chinh-sach .cs-luoi { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: clamp(24px, 4vw, 48px); align-items: start; }
body.trang-chinh-sach .cs-muc-luc { position: sticky; top: 96px; display: flex; flex-direction: column; gap: 2px; padding: 14px; border: 1px solid var(--vien); border-radius: var(--bo); background: #fff; }
body.trang-chinh-sach .cs-muc-luc b { font-size: 12px; font-weight: 600; letter-spacing: 1.2px; text-transform: uppercase; color: var(--nhat); padding: 2px 10px 8px; }
body.trang-chinh-sach .cs-muc-luc a { padding: 8px 10px; border-radius: 8px; font-size: 14.5px; line-height: 1.35; color: var(--chu); transition: background .15s, color .15s; }
body.trang-chinh-sach .cs-muc-luc a:hover { background: var(--tim-nhat); color: var(--den); }
body.trang-chinh-sach .cs-muc-luc a[aria-current] { background: var(--chanh); color: var(--den); font-weight: 600; }
body.trang-chinh-sach .cs-bai { max-width: 760px; display: grid; gap: 16px; }
body.trang-chinh-sach .cs-muc { background: #fff; border: 1px solid var(--vien); border-radius: var(--bo); padding: clamp(20px, 3.4vw, 34px); }
body.trang-chinh-sach .cs-muc h2 { font-family: var(--tieu-de); font-weight: 600; font-size: clamp(22px, 2.6vw, 28px); line-height: 1.25; letter-spacing: -.025em; margin: 0 0 14px; }
body.trang-chinh-sach .cs-muc > h2 + p { margin: -8px 0 16px; font-size: 14px; line-height: 1.6; color: var(--nhat); }
body.trang-chinh-sach .cs-muc > div { font-size: 15.5px; line-height: 1.75; color: var(--den); display: flex; flex-direction: column; gap: 12px; }
body.trang-chinh-sach .cs-muc > div p { margin: 0; }
body.trang-chinh-sach .cs-muc strong { font-weight: 600; }
body.trang-chinh-sach .cs-muc a, body.trang-chinh-sach .cs-hoi a { color: var(--tim-dam); text-decoration: underline; }
/* bảng "Thông tin chủ sở hữu website": khối div > div > div của trang tĩnh */
body.trang-chinh-sach .cs-muc > div > div { display: grid; grid-template-columns: 240px minmax(0, 1fr); border-top: 1px solid var(--vien); font-size: 15px; line-height: 1.55; }
body.trang-chinh-sach .cs-muc > div:has(> div) { gap: 0; border: 1px solid var(--vien); border-radius: 8px; overflow: hidden; }
body.trang-chinh-sach .cs-muc > div > div:first-child { border-top: 0; }
body.trang-chinh-sach .cs-muc > div > div > div { padding: 12px 16px; overflow-wrap: anywhere; }
body.trang-chinh-sach .cs-muc > div > div > div:first-child { color: var(--nhat); background: var(--nen-tim); }
body.trang-chinh-sach .cs-muc > div + p { margin: 16px 0 0; font-size: 14.5px; line-height: 1.7; color: var(--chu); }
body.trang-chinh-sach .cs-hoi { margin: 4px 0 0; font-size: 15px; color: var(--chu); }
body.trang-chinh-sach .cs-du-phong { padding-top: 28px; padding-bottom: 48px; }

/* ---------- 404 ---------- */
body.error404 .e4-mo { padding-bottom: clamp(48px, 7vw, 80px); }
body.error404 .e4-hoa { width: 72px; margin: 0 auto 18px; animation: e4-xoay 6s ease-in-out infinite; }
body.error404 .e4-hoa svg { width: 100%; display: block; }
@keyframes e4-xoay { 50% { transform: rotate(12deg) scale(1.04); } }
body.error404 .e4-loi { list-style: none; margin: 28px auto 0; padding: 0; max-width: 760px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
body.error404 .e4-loi li:last-child { grid-column: 1 / -1; }
body.error404 .e4-loi a { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 2px 14px; align-items: center; padding: 14px 16px; border: 1px solid var(--vien); border-radius: var(--bo); background: #fff; transition: border-color .15s, transform .15s; }
body.error404 .e4-loi a:hover { border-color: var(--tim); transform: translateY(-2px); }
body.error404 .e4-loi span { grid-row: span 2; width: 44px; height: 44px; border-radius: 12px; background: var(--den); color: var(--chanh); display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 700; }
body.error404 .e4-loi li:last-child span { background: var(--chanh); color: var(--den); }
body.error404 .e4-loi b { font-size: 16px; }
body.error404 .e4-loi small { font-size: 13.5px; line-height: 1.45; color: var(--chu); }

/* ---------- khổ nhỏ ---------- */
@media (max-width: 960px) {
	body.trang-gioi-thieu .tg-ba { grid-template-columns: minmax(0, 1fr); gap: 12px; }
	body.trang-gioi-thieu .tg-ba article { display: grid; grid-template-columns: 48px minmax(0, 1fr); gap: 2px 14px; padding: 16px 18px; }
	body.trang-gioi-thieu .tg-ba__hinh { grid-row: span 2; }
	body.trang-gioi-thieu .tg-ba h3 { margin: 0 0 4px; }
	body.trang-chinh-sach .cs-luoi { grid-template-columns: minmax(0, 1fr); gap: 16px; }
	/* mục lục thành hàng chip trượt ngang (chỉ trượt trong khung, trang không tràn) */
	body.trang-chinh-sach .cs-muc-luc { position: relative; top: auto; flex-direction: row; gap: 8px; padding: 0 0 4px; border: 0; background: none; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
	body.trang-chinh-sach .cs-muc-luc::-webkit-scrollbar { display: none; }
	body.trang-chinh-sach .cs-muc-luc b { display: none; }
	body.trang-chinh-sach .cs-muc-luc a { flex-shrink: 0; white-space: nowrap; border: 1px solid var(--vien); background: #fff; border-radius: 999px; padding: 7px 14px; font-size: 13.5px; }
	body.trang-chinh-sach .cs-bai { max-width: none; }
}
@media (max-width: 767px) {
	:is(body.trang-gioi-thieu, body.trang-chinh-sach, body.error404) .tc-mo { padding-top: 20px; }
	body.trang-gioi-thieu .tg-chuyen, body.trang-gioi-thieu .tg-phap { grid-template-columns: minmax(0, 1fr); gap: 16px; }
	body.trang-gioi-thieu .tg-chuyen__chu p { font-size: 15.5px; }
	body.trang-gioi-thieu .tg-logo { grid-template-columns: 96px minmax(0, 1fr); gap: 18px; align-items: start; }
	body.trang-gioi-thieu .tg-logo__y { font-size: 15.5px; }
	body.trang-chinh-sach .cs-muc > div > div { grid-template-columns: minmax(0, 1fr); }
	body.trang-chinh-sach .cs-muc > div > div > div:first-child { padding-bottom: 4px; font-size: 13px; }
	body.trang-chinh-sach .cs-muc > div > div > div:last-child { padding-top: 4px; }
	body.trang-chinh-sach .cs-muc > div { font-size: 15px; }
	body.error404 .e4-loi { grid-template-columns: minmax(0, 1fr); gap: 10px; }
}
@media (max-width: 480px) {
	body.trang-gioi-thieu .tg-logo { grid-template-columns: minmax(0, 1fr); }
	body.trang-gioi-thieu .tg-logo__hoa { max-width: 96px; }
	body.trang-gioi-thieu .tg-phap__bang div { grid-template-columns: minmax(0, 1fr); gap: 2px; padding: 10px 14px; }
	body.trang-gioi-thieu .tg-ba article { grid-template-columns: 40px minmax(0, 1fr); padding: 14px; }
	body.trang-gioi-thieu .tg-ba__hinh { width: 40px; height: 40px; border-radius: 12px; }
	body.trang-gioi-thieu .tg-ba__hinh svg { width: 22px; height: 22px; }
	:is(body.trang-gioi-thieu, body.trang-chinh-sach) .tc-cuoi__nut .m-nut { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
	body.error404 .e4-hoa { animation: none; }
}