/* =========================================================
   Vườn Khai Tâm · chinh.css
   Nguồn chuẩn màu, chữ: thiet-ke/bang-phong-cach.html
   Thiết kế cho điện thoại 360px trước, rồi mở rộng cho máy tính.
   ========================================================= */

/* ---------- Font tự lưu trữ (chỉ tải bộ ký tự cần dùng) ---------- */
@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/be-vietnam-pro-vietnamese-400-normal.woff2) format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/be-vietnam-pro-latin-ext-400-normal.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/be-vietnam-pro-latin-400-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Be Vietnam Pro';font-style:italic;font-weight:400;font-display:swap;src:url(/assets/fonts/be-vietnam-pro-vietnamese-400-italic.woff2) format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:'Be Vietnam Pro';font-style:italic;font-weight:400;font-display:swap;src:url(/assets/fonts/be-vietnam-pro-latin-ext-400-italic.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Be Vietnam Pro';font-style:italic;font-weight:400;font-display:swap;src:url(/assets/fonts/be-vietnam-pro-latin-400-italic.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:600;font-display:swap;src:url(/assets/fonts/be-vietnam-pro-vietnamese-600-normal.woff2) format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:600;font-display:swap;src:url(/assets/fonts/be-vietnam-pro-latin-ext-600-normal.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:600;font-display:swap;src:url(/assets/fonts/be-vietnam-pro-latin-600-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Cormorant Garamond';font-style:normal;font-weight:600;font-display:swap;src:url(/assets/fonts/cormorant-garamond-vietnamese-600-normal.woff2) format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:'Cormorant Garamond';font-style:normal;font-weight:600;font-display:swap;src:url(/assets/fonts/cormorant-garamond-latin-ext-600-normal.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Cormorant Garamond';font-style:normal;font-weight:600;font-display:swap;src:url(/assets/fonts/cormorant-garamond-latin-600-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

/* ---------- Màu & kích thước theo vai trò ---------- */
:root{
  --rung-sau:#1A3D2B; --muc:#263127; --muc-nhat:#5B6457;
  --la-truong-thanh:#3A6B35; --la-non:#8DB255; --than-mam:#5E8C3A;
  --ma-non:#E4EFCF; --suong-som:#EFF4E6; --giay:#F8F5EE; --giay-trang:#FDFCF8; --vien:#E3DDCD;
  --dat-nau:#8B7355; --go:#6E5638; --nang-mai:#DEB952; --canh-bao:#B23A2E;
  --nhan-chame-nen:#E4EFCF;  --nhan-chame-chu:#2F5A2B;
  --nhan-truyen-nen:#F1E8DA; --nhan-truyen-chu:#6E5638;
  --nhan-hoc-nen:#DDEFE3;    --nhan-hoc-chu:#1A3D2B;
  --nhan-nhatky-nen:#F6ECCB; --nhan-nhatky-chu:#6B5418;
  --nen-cau-hoi:#FBF4E2;
  --font-tieu-de:'Cormorant Garamond','Lora',Georgia,serif;
  --font-than:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
  --bo-goc:12px; --rong-noi-dung:680px; --rong-khung:1080px;
  --cao-thanh-day:64px;
}

/* ---------- Nền tảng ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--giay);color:var(--muc);font:400 17px/1.7 var(--font-than);overflow-wrap:break-word;
  padding-bottom:calc(var(--cao-thanh-day) + env(safe-area-inset-bottom))}
img{max-width:100%;height:auto;display:block}
a{color:var(--la-truong-thanh);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{color:var(--rung-sau)}
:focus-visible{outline:3px solid var(--la-truong-thanh);outline-offset:2px;border-radius:4px}
main:focus{outline:none}
h1,h2,h3{font-family:var(--font-tieu-de);font-weight:600;color:var(--rung-sau);line-height:1.25;margin:1.6em 0 .5em}
h1{font-size:clamp(30px,7.5vw,38px);margin-top:.3em}
h2{font-size:24px}
h3{font-size:21px}
p,ul,ol{margin:0 0 1em}
strong,b{font-weight:600}
.an-chu{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
[hidden]{display:none!important}
.phu{color:var(--muc-nhat);font-size:15px}
.mo-ta-lon{font-size:17px;color:var(--muc-nhat);max-width:62ch}
.trong{padding:24px;background:var(--giay-trang);border:1px dashed var(--vien);border-radius:var(--bo-goc);color:var(--muc-nhat)}

.khung{max-width:var(--rong-khung);margin:0 auto;padding:0 16px}
.khung-hep{max-width:calc(var(--rong-noi-dung) + 32px);margin:0 auto;padding:0 16px}

.bo-qua{position:absolute;left:8px;top:-60px;z-index:100;background:var(--rung-sau);color:#fff;padding:10px 16px;border-radius:8px}
.bo-qua:focus{top:8px;color:#fff}

/* ---------- Nút ---------- */
.nut{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:8px 18px;border-radius:10px;
  background:var(--la-truong-thanh);color:#fff;border:1.5px solid var(--la-truong-thanh);font:600 16px/1.3 var(--font-than);text-decoration:none;cursor:pointer}
.nut:hover{background:var(--rung-sau);border-color:var(--rung-sau);color:#fff}
.nut-vien{background:transparent;color:var(--la-truong-thanh)}
.nut-vien:hover{background:var(--suong-som);color:var(--rung-sau)}

/* ---------- Nhãn ---------- */
.cac-nhan{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 8px}
.nhan,.nhan-tuoi{display:inline-block;font-size:13px;line-height:1.5;padding:3px 10px;border-radius:999px}
.nhan{font-weight:600}
.nhan-chame,.nhan-hieu-qua{background:var(--nhan-chame-nen);color:var(--nhan-chame-chu)}
.nhan-truyen,.nhan-chua-hieu-qua{background:var(--nhan-truyen-nen);color:var(--nhan-truyen-chu)}
.nhan-hoc{background:var(--nhan-hoc-nen);color:var(--nhan-hoc-chu)}
.nhan-nhatky,.nhan-dang-thu{background:var(--nhan-nhatky-nen);color:var(--nhan-nhatky-chu)}
.nhan-tuoi{background:var(--giay-trang);border:1px solid var(--vien);color:var(--muc-nhat)}

/* ---------- Đầu trang ---------- */
.dau-trang{background:var(--giay);border-bottom:1px solid var(--vien);position:relative;z-index:20}
.dau-trang-trong{max-width:var(--rong-khung);margin:0 auto;padding:8px 8px 8px 16px;display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:60px}
.logo-ngang{display:flex;align-items:center;gap:10px;text-decoration:none;min-height:44px}
.logo-hinh{width:42px;height:44px}
.logo-chu{font-family:var(--font-tieu-de);font-weight:600;font-size:23px;letter-spacing:.03em;color:var(--rung-sau);line-height:1;white-space:nowrap}
.logo-vuon{font-weight:500;color:var(--muc-nhat)}
.menu-ngang{display:none}
.nut-menu{display:grid;place-items:center;width:44px;height:44px;border:0;border-radius:10px;background:transparent;color:var(--rung-sau);cursor:pointer}
.nut-menu:hover{background:var(--suong-som)}
.menu-day-du{border-top:1px solid var(--vien);background:var(--giay-trang);box-shadow:0 12px 24px rgba(26,61,43,.12)}
.menu-day-du ul{list-style:none;margin:0 auto;padding:8px 16px 16px;max-width:var(--rong-khung);display:grid;grid-template-columns:1fr 1fr;gap:2px 12px}
.menu-day-du a{display:flex;align-items:center;min-height:44px;padding:4px 8px;border-radius:8px;color:var(--rung-sau);text-decoration:none}
.menu-day-du a:hover,.menu-day-du a[aria-current]{background:var(--suong-som)}
.menu-day-du a[aria-current]{font-weight:600}

/* ---------- Thanh điều hướng đáy (điện thoại) ---------- */
.thanh-day{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;justify-content:space-around;
  background:var(--giay-trang);border-top:1px solid var(--vien);padding:4px 4px env(safe-area-inset-bottom)}
.thanh-day a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;min-height:56px;
  font-size:12px;line-height:1.2;color:var(--muc-nhat);text-decoration:none;border-radius:10px}
.thanh-day a[aria-current]{color:var(--la-truong-thanh);font-weight:600}
.thanh-day a[aria-current] svg{background:var(--ma-non);border-radius:999px;width:44px;padding:0 10px}

/* ---------- Chân trang ---------- */
.chan-trang{background:var(--rung-sau);color:var(--ma-non);margin-top:64px;padding:40px 0 32px;font-size:15px}
.chan-trang a{color:#fff}
.chan-trang a:hover{color:var(--ma-non)}
.chan-trang :focus-visible{outline-color:var(--nang-mai)}
.chan-trang-dau{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.logo-kem{width:72px;height:75px}
.chan-trang-ten{font-family:var(--font-tieu-de);font-size:26px;font-weight:600;color:#fff;margin:0;line-height:1.2}
.chan-trang-khau-hieu{margin:0;color:var(--ma-non)}
.chan-trang-link{list-style:none;padding:0;margin:0 0 20px;display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.chan-trang-link a{display:flex;align-items:center;min-height:44px;text-decoration:none}
.chan-trang-ban-quyen{margin:0;opacity:.9}

/* ---------- Trang chủ ---------- */
.chao{background:linear-gradient(170deg,var(--suong-som) 0%,var(--giay) 70%);border-bottom:1px solid var(--vien);padding:24px 0 28px}
.chao-trong{display:flex;flex-direction:column;align-items:center;text-align:center}
.chao-logo{width:132px;height:auto;margin-bottom:4px}
.chao-khau-hieu{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--go);font-weight:600;margin:8px 0 0}
.chao h1{font-size:clamp(28px,7.5vw,42px);margin:.2em 0 .4em}
.chao .mo-ta-lon{margin-left:auto;margin-right:auto}
.chon-tuoi-hoi{font-size:24px;margin:1em 0 .5em}
.chon-tuoi{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:10px;width:100%;max-width:520px}
.nut-tuoi{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:64px;padding:8px;border-radius:var(--bo-goc);
  background:var(--giay-trang);border:1.5px solid var(--la-truong-thanh);color:var(--rung-sau);text-decoration:none;line-height:1.3}
.nut-tuoi:hover{background:var(--ma-non);color:var(--rung-sau)}
.nut-tuoi-so{font-weight:600;font-size:18px}
.nut-tuoi-nhom{font-size:13px;color:var(--muc-nhat)}
.khu{margin-top:40px}
.khu>h2{margin:0 0 16px}
.hai-cot{display:grid;gap:0 24px}
.link-xem-them{display:inline-flex;align-items:center;min-height:44px;font-weight:600}
.ds-chu-de{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.ds-chu-de a{display:inline-flex;align-items:center;min-height:44px;padding:6px 16px;border-radius:999px;background:var(--ma-non);color:var(--nhan-chame-chu);text-decoration:none;font-size:15px;font-weight:600}
.ds-chu-de a:hover{background:var(--suong-som);color:var(--rung-sau)}
.hop-nhan-bai{background:var(--suong-som);border-radius:var(--bo-goc);padding:20px}

/* ---------- Thẻ bài ---------- */
.luoi-the{display:grid;gap:16px;grid-template-columns:1fr}
.the-bai{position:relative;display:flex;flex-direction:column;background:var(--giay-trang);border:1px solid var(--vien);border-radius:14px;overflow:hidden}
.the-bai:hover{border-color:var(--dat-nau)}
.the-bai:focus-within{outline:3px solid var(--la-truong-thanh);outline-offset:2px}
.the-bai-anh{width:100%;aspect-ratio:3/2;object-fit:cover;background:var(--suong-som)}
.anh-tam{background:url(/assets/logo/logo-hinh-192.webp) center/auto 70% no-repeat,linear-gradient(160deg,var(--suong-som) 0%,var(--ma-non) 55%,var(--nhan-truyen-nen) 100%)}
.the-bai-than{padding:12px 14px 14px;display:flex;flex-direction:column;flex:1}
.the-bai-tieu-de{font-size:22px;margin:4px 0 6px;line-height:1.25}
.the-bai-tieu-de a{color:var(--rung-sau);text-decoration:none}
/* Cả thẻ bấm được, nhưng chỉ tiêu đề là liên kết (dễ dùng cho trình đọc màn hình) */
.the-bai-tieu-de a::after{content:"";position:absolute;inset:0}
.the-bai-tieu-de a:focus-visible{outline:none}
.the-bai-mo-ta{font-size:15px;line-height:1.55;color:var(--muc-nhat);margin:0 0 8px}
.the-bai-thong-tin{font-size:13px;color:var(--muc-nhat);margin:auto 0 0}

/* ---------- Danh sách, lọc ---------- */
.dau-danh-sach{padding:16px 0 8px}
.dau-danh-sach h1{margin-top:.2em}
.bo-loc{margin:8px 0 20px}
.hang-loc{display:flex;gap:8px;overflow-x:auto;padding:4px 2px 8px;scrollbar-width:thin;align-items:center}
.hang-loc-ten{font-size:13px;font-weight:600;color:var(--muc-nhat);flex:none}
.nut-loc{flex:none;min-height:44px;padding:6px 14px;border-radius:999px;border:1px solid var(--vien);background:var(--giay-trang);color:var(--muc);font:400 15px/1.2 var(--font-than);cursor:pointer}
.nut-loc[aria-pressed="true"]{background:var(--la-truong-thanh);border-color:var(--la-truong-thanh);color:#fff;font-weight:600}
.ket-qua-loc{font-size:14px;color:var(--muc-nhat);margin:4px 0 0}
.ds-bo-truyen{padding-left:20px}
.ds-bo-truyen li{margin-bottom:8px}
.ds-bo-truyen a{font-weight:600}
.luoi-o{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.o-muc{background:var(--giay-trang);border:1px solid var(--vien);border-radius:14px;padding:16px}
.o-muc-ten{margin:0 0 6px;font-size:24px}
.o-muc-ten a{color:var(--rung-sau);text-decoration:none}
.o-muc p{margin:0 0 6px;font-size:15px}

/* ---------- Trang bài ---------- */
.bai{padding-top:12px}
.vi-tri ol{list-style:none;display:flex;flex-wrap:wrap;padding:0;margin:0 0 8px;font-size:14px;color:var(--muc-nhat)}
.vi-tri li+li::before{content:"›";margin:0 8px;color:var(--muc-nhat)}
.vi-tri a{color:var(--muc-nhat);display:inline-block;padding:10px 0}
.bai-mau{background:var(--nhan-nhatky-nen);color:var(--nhan-nhatky-chu);border-radius:10px;padding:10px 14px;font-size:15px}
.ky-dau-de{font-size:15px;color:var(--muc-nhat);margin:4px 0 0}
.bai-tieu-de{margin:.2em 0 .3em}
.dong-thong-tin{font-size:14px;color:var(--muc-nhat);margin:0 0 20px}
.dong-thong-tin a{color:var(--muc-nhat)}
.anh-bia{margin:0 0 20px}
.anh-bia img{width:100%;border-radius:var(--bo-goc)}
.noi-dung{margin:0 0 24px}
.noi-dung h2{font-size:26px;margin:1.5em 0 .4em}
.noi-dung h3{font-size:22px;margin:1.3em 0 .3em}
.noi-dung ul,.noi-dung ol{padding-left:1.4em}
.noi-dung li{margin-bottom:.4em}
.noi-dung blockquote{margin:1.2em 0;padding:4px 0 4px 18px;border-left:4px solid var(--la-non);color:var(--muc-nhat);font-style:italic}
.noi-dung hr{border:0;border-top:1px solid var(--vien);margin:2em 0}
.noi-dung img,.noi-dung picture img{border-radius:10px;margin:1em auto}
.noi-dung table{border-collapse:collapse;width:100%;font-size:15px;margin:1em 0;display:block;overflow-x:auto}
.noi-dung th,.noi-dung td{border:1px solid var(--vien);padding:6px 10px;text-align:left;vertical-align:top}
.noi-dung th{background:var(--suong-som)}
.noi-dung-truyen{font-size:18px;line-height:1.8}
.giai-doan{font-size:15px;color:var(--muc-nhat)}

/* ---------- Hộp ---------- */
.hop{border-radius:var(--bo-goc);padding:14px 16px;margin:0 0 20px;font-size:16px}
.hop-tom-tat,.hop-thong-tin,.hop-loi-ngo,.hop-nguon{background:var(--suong-som)}
.tieu-de-hop{font-size:22px;margin:0 0 6px}
.hop ul,.hop ol{margin:0;padding-left:1.3em}
.hop li{margin-bottom:.35em}
.hop p:last-child{margin-bottom:0}
.hop-thong-tin dl{margin:0;display:grid;gap:6px}
.hop-thong-tin dl div{display:grid;grid-template-columns:7.5em 1fr;gap:8px}
.hop-thong-tin dt{font-weight:600;color:var(--rung-sau)}
.hop-thong-tin dd{margin:0}
.hop-cau-hoi{background:var(--nen-cau-hoi);border:1.5px dashed var(--nang-mai);margin-top:28px}
.hop-ghi-chu{font-size:15px;color:var(--muc-nhat)}
.tang-cau-hoi{font-family:var(--font-than);font-size:15px;font-weight:600;color:var(--go);text-transform:uppercase;letter-spacing:.05em;margin:14px 0 4px}
.dong-ke{display:none}
.the-tiep-noi{background:var(--giay-trang);border:1px solid var(--vien);border-left:4px solid var(--la-truong-thanh);border-radius:var(--bo-goc);padding:14px 16px;margin:0 0 20px}
.the-tiep-noi-nhan{font-size:13px;font-weight:600;color:var(--go);text-transform:uppercase;letter-spacing:.05em;margin:0 0 2px}
.the-tiep-noi a{font-weight:600;font-size:18px}
.the-tiep-noi p:last-child{font-size:15px;color:var(--muc-nhat);margin:4px 0 0}
.luu-y-cha-me,.ghi-chu-nhat-ky{font-size:15px;color:var(--muc-nhat);border-top:1px solid var(--vien);padding-top:14px}
.truyen-lien-quan{font-size:16px}
.nguon-in{display:none}

/* ---------- Kỳ trước / sau ---------- */
.ky-truoc-sau{display:grid;grid-template-columns:1fr auto 1fr;gap:8px;align-items:center;margin:0 0 20px}
.ky-truoc-sau a{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:6px 12px;border-radius:10px;
  border:1px solid var(--vien);background:var(--giay-trang);text-decoration:none;font-weight:600;font-size:15px}
.ky-truoc{justify-self:start}
.ky-sau{justify-self:end}
.ky-muc-luc{justify-self:center}
.ds-ky{padding-left:0;list-style:none;margin:0 0 16px}
.ds-ky li{border-bottom:1px solid var(--vien);padding:8px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 12px;align-items:center}
.ds-ky a{display:inline-flex;gap:8px;min-height:44px;align-items:center;font-weight:600;text-decoration:none}
.ds-ky-so{color:var(--go)}

/* ---------- Chia sẻ, In ---------- */
.chia-se{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:24px 0}
.chia-se-bao{font-size:14px;color:var(--la-truong-thanh)}
.khu-nut-in{margin:16px 0 0}
.lien-quan{margin-top:24px}
.lien-quan>h2{margin:0 0 16px}

/* ---------- Video ---------- */
.video{position:relative;margin:0 0 20px;aspect-ratio:16/9;border-radius:var(--bo-goc);overflow:hidden;background:var(--rung-sau)}
.video-nut,.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-nut img{width:100%;height:100%;object-fit:cover;margin:0;border-radius:0}
.video-play{position:absolute;inset:0;display:grid;place-items:center}
.video-nut:hover .video-play path:first-child{fill-opacity:1}

/* ---------- Trang tĩnh, tủ sách, liên hệ, tìm kiếm ---------- */
.trang-tinh{padding-top:12px}
.ds-lien-he{list-style:none;padding:0}
.ds-lien-he li{display:flex;flex-direction:column;padding:12px 0;border-bottom:1px solid var(--vien)}
.ds-lien-he a{font-weight:600;min-height:44px;display:inline-flex;align-items:center}
.luoi-sach{display:grid;gap:16px;margin-top:8px}
.the-sach{display:grid;grid-template-columns:96px 1fr;gap:14px;background:var(--giay-trang);border:1px solid var(--vien);border-radius:14px;padding:14px}
.the-sach-anh{width:96px;aspect-ratio:2/3;object-fit:cover;border-radius:8px}
.the-sach .anh-tam{background-size:auto 55%,auto}
.the-sach-ten{font-size:22px;margin:4px 0 6px}
.the-sach p{font-size:15px}
.o-tim{margin:8px 0 20px}
.o-tim label{display:block;font-weight:600;margin-bottom:6px}
.o-tim-hang{display:flex;gap:8px}
.o-tim input{flex:1;min-width:0;min-height:48px;padding:8px 14px;border:1.5px solid var(--vien);border-radius:10px;background:var(--giay-trang);font:400 17px/1.4 var(--font-than);color:var(--muc)}
.o-tim input:focus{border-color:var(--la-truong-thanh);outline:none;box-shadow:0 0 0 3px var(--ma-non)}
.thu-font-to{font-size:40px}

/* ---------- Màn hình rộng ---------- */
@media (min-width:600px){
  .luoi-the{grid-template-columns:1fr 1fr}
  .the-noi-bat .the-bai{flex-direction:row}
  .the-noi-bat .the-bai-anh{width:50%;aspect-ratio:3/2}
  .the-noi-bat .the-bai-than{padding:20px 24px}
  .the-noi-bat .the-bai-tieu-de{font-size:28px}
  .chon-tuoi{grid-template-columns:repeat(4,1fr)}
  .luoi-o{grid-template-columns:1fr 1fr}
  .the-sach{grid-template-columns:140px 1fr}
  .the-sach-anh{width:140px}
  .menu-day-du ul{grid-template-columns:repeat(3,1fr)}
}
@media (min-width:768px){
  body{font-size:18px;padding-bottom:0}
  .thanh-day{display:none}
  .menu-ngang{display:block}
  .menu-ngang ul{list-style:none;display:flex;align-items:center;gap:2px;margin:0;padding:0}
  .menu-ngang a{display:flex;align-items:center;min-height:44px;padding:4px 10px;border-radius:8px;color:var(--rung-sau);text-decoration:none;font-size:15px;white-space:nowrap}
  .menu-ngang a:hover{background:var(--suong-som)}
  .menu-ngang a[aria-current]{font-weight:600;box-shadow:inset 0 -2px 0 var(--la-non)}
  .menu-tim{width:44px;justify-content:center}
  .chi-may-lon{display:none}
  .dau-trang-trong{padding:10px 16px;gap:16px}
  .logo-hinh{width:52px;height:54px}
  .logo-chu{font-size:26px}
  .chao{padding:40px 0 44px}
  .chao-trong{flex-direction:row;text-align:left;gap:40px;align-items:center}
  .chao-logo{width:180px;flex:none}
  .chao .mo-ta-lon{margin-left:0}
  .hai-cot{grid-template-columns:1fr 1fr}
  .noi-dung-truyen{font-size:19px}
  .chan-trang-link{grid-template-columns:repeat(4,auto);justify-content:start}
  h1{font-size:clamp(32px,4vw,40px)}
}
@media (min-width:960px){
  .luoi-the{grid-template-columns:repeat(3,1fr)}
  .chi-may-lon{display:list-item}
  .luoi-o{grid-template-columns:repeat(4,1fr)}
}

/* Tắt hiệu ứng chuyển động khi người dùng yêu cầu */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}