/* Giao diện "Học viện" — trang con (23/10/2026). Tự viết: bố cục/tỉ lệ theo các trang con của mẫu Echooling
   (băng tiêu đề + breadcrumb, cột phải dạng thẻ, thẻ khóa học, blog, giới thiệu, liên hệ, giảng viên, sự kiện, đăng nhập/đăng ký).
   Không dùng mã/ảnh/icon/phông của mẫu. Màu theo biến của layout: --ac (nhấn), --ac-d, --ac-s, --ink. Tiền tố lớp: acp- */
:root{--acp-gray:#f2f4f9;--acp-line:#e8ecf0;--acp-shadow:0 20px 40px rgba(15,18,22,.08);--acp-shadow-s:0 1px 2px rgba(15,18,22,.1);
  --acp-b1:var(--ac-d);--acp-b2:var(--ac)}
@supports (color:color-mix(in srgb,red,blue)){:root{--acp-b1:color-mix(in srgb,var(--ac) 48%,#04113d);--acp-b2:color-mix(in srgb,var(--ac) 88%,#0a1a5c)}}
.ac .acp-sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.ac .acp-i{flex:none;display:inline-block;vertical-align:middle}

/* ---------- băng tiêu đề ---------- */
.ac .acp-banner{position:relative;overflow:hidden;color:#fff;min-height:300px;display:flex;align-items:center;text-align:center;isolation:isolate;
  background:radial-gradient(120% 90% at 100% 0%,rgba(255,255,255,.10) 0 32%,transparent 32.4%),radial-gradient(80% 140% at 0% 100%,rgba(255,255,255,.08) 0 34%,transparent 34.4%),
  radial-gradient(60% 120% at 70% 120%,rgba(255,255,255,.06) 0 40%,transparent 40.4%),linear-gradient(110deg,var(--acp-b1) 0%,var(--acp-b2) 100%)}
.ac .acp-banner__in{position:relative;z-index:2;width:100%;padding-top:56px;padding-bottom:56px}
.ac .acp-banner h1{color:#fff;font-size:clamp(34px,4.2vw,60px);line-height:1.05;font-weight:700;margin:0 auto 16px;max-width:960px;letter-spacing:-.01em}
.ac .acp-banner__intro{margin:-4px auto 14px;max-width:680px;opacity:.88;font-size:17px}
.ac .acp-crumb{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;font-size:16px}
.ac .acp-crumb a,.ac .acp-crumb span{color:#fff;opacity:.82;display:inline-flex;align-items:center}
.ac .acp-crumb span[aria-current]{opacity:1}
.ac .acp-crumb a:hover{opacity:1;text-decoration:underline}
.ac .acp-crumb a::after{content:"";width:6px;height:6px;border-radius:50%;background:#fff;margin:0 10px 0 12px;opacity:.9}
.ac .acp-banner--photo{min-height:440px;background:var(--acp-b1) var(--acp-photo) center/cover no-repeat}
.ac .acp-banner--photo::before{content:"";position:absolute;inset:0;z-index:0;background:linear-gradient(90deg,var(--acp-b1) 0%,rgba(4,17,61,.55) 48%,rgba(4,17,61,.18) 100%)}
.ac .acp-banner--photo::after{content:"";position:absolute;inset:0;z-index:0;background:rgba(6,10,24,.22)}
.ac .acp-banner--single{text-align:left;min-height:470px}
.ac .acp-banner--single::before{background:linear-gradient(90deg,var(--acp-b1) 0%,rgba(4,12,40,.72) 42%,rgba(4,12,40,.2) 100%)}
.ac .acp-banner--single h1{margin:14px 0 18px;max-width:760px;font-size:clamp(32px,3.9vw,56px)}
.ac .acp-pill{display:inline-block;background:var(--ac);color:#fff;font-size:13px;font-weight:700;line-height:1;padding:7px 11px;border-radius:4px}
.ac .acp-banner__meta{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px 30px;font-size:15px;font-weight:600}
.ac .acp-banner__meta li{display:flex;align-items:center;gap:8px;color:#fff;opacity:.95}
/* họa tiết tự vẽ */
.ac .acp-deco{position:absolute;z-index:1;pointer-events:none}
.ac .acp-deco--dots{left:12%;top:28%;width:8px;height:66px;background:radial-gradient(circle,rgba(255,255,255,.75) 1.4px,transparent 1.8px) 0 0/8px 8px}
.ac .acp-deco--spark{left:23%;top:58%;width:40px;height:40px}
.ac .acp-deco--spark svg{width:100%;height:100%}
.ac .acp-deco--ring{right:24.5%;top:30%;width:22px;height:22px;border-radius:50%;border:2.5px solid #3fd8a8;box-shadow:inset 0 0 0 4px transparent,inset 0 0 0 6.5px #3fd8a8;opacity:.9}
.ac .acp-deco--hatch{right:16%;top:50%;width:46px;height:40px;opacity:.9;transform:rotate(-30deg);background:repeating-linear-gradient(90deg,#ffc83d 0 2px,transparent 2px 7px);-webkit-mask:radial-gradient(circle,#000 1.6px,transparent 2px) 0 0/7px 7px;mask:radial-gradient(circle,#000 1.6px,transparent 2px) 0 0/7px 7px}
.ac .acp-deco--circles{left:58%;bottom:28px;display:flex;gap:16px;align-items:flex-end}
.ac .acp-deco--circles i{display:block;width:62px;height:62px;border-radius:50%;border:1.5px solid rgba(255,255,255,.22)}
.ac .acp-deco--circles i+i{width:38px;height:38px;margin-bottom:12px}
.ac .acp-banner--single .acp-deco--dots{left:auto;right:auto;left:calc(50% - 600px + 380px);top:22%}
.ac .acp-banner--single .acp-deco--spark{left:calc(50% - 600px + 8px);top:auto;bottom:16%}
.ac .acp-banner--single .acp-deco--ring{right:26%;top:22%}
.ac .acp-banner--single .acp-deco--hatch{right:16%;top:40%}

/* ---------- khung trang ---------- */
.ac .acp-sec{padding:110px 0}
.ac .acp-sec--flat{padding:0 0 90px}
.ac .acp-sec--gray{background:var(--acp-gray)}
.ac .acp-two{display:grid;grid-template-columns:minmax(0,1fr) 386px;gap:56px;align-items:start}
.ac .acp-main{min-width:0}
.ac .acp-h{font-size:26px;font-weight:700;color:var(--ink);margin:0 0 18px}
.ac .acp-h3{font-size:20px;font-weight:700;color:var(--ink);margin:30px 0 14px}
.ac .acp-sub{margin:-8px 0 22px;color:var(--muted);font-size:15px;font-weight:600}
.ac .acp-related-h{margin-top:70px;font-size:22px}
.ac .acp-lead{font-size:18px;line-height:1.7;color:var(--text)}
.ac .acp-eyebrow{display:block;color:var(--ac);font-weight:600;font-size:15px;margin-bottom:10px}
.ac .acp-emptybox{text-align:center;background:var(--acp-gray);border-radius:10px;padding:56px 24px}
.ac .acp-emptybox h2{font-size:26px}
.ac .acp-emptybox p{margin:0 0 20px}
.ac .acp-more{display:inline-flex;align-items:center;gap:6px;color:var(--ink);font-weight:700;font-size:15px}
.ac .acp-more:hover{color:var(--ac)}
.ac .acp-btn-line{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:10px 26px;border:2px solid rgba(15,18,22,.1);border-radius:6px;color:var(--ink)!important;font-weight:700;font-size:16px;background:#fff;transition:border-color .2s,color .2s,background .2s}
.ac .acp-btn-line:hover{border-color:var(--ac);color:var(--ac)!important}
.ac .acp-btn-line--sm{min-height:42px;padding:8px 20px;font-size:15px}
.ac .acp-btn-line--full{display:flex;width:100%}
.ac .acp-badge{position:absolute;z-index:1;display:inline-flex;align-items:center;gap:5px;background:var(--ac);color:#fff;font-size:12px;font-weight:600;line-height:1;padding:6px 9px;border-radius:4px;max-width:calc(100% - 40px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ac .acp-badge--lv{left:20px;top:18px}
.ac .acp-badge--r{right:20px;top:18px}
.ac .acp-meta{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px 22px;font-size:14px;color:#777}
.ac .acp-meta li{display:flex;align-items:center;gap:6px;min-width:0}
.ac .acp-meta__long{flex:1 1 140px}
.ac .acp-meta__long span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ac .acp-ava{flex:none;width:52px;height:52px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:800;font-size:18px;background:linear-gradient(135deg,hsl(var(--h,210) 62% 56%),hsl(calc(var(--h,210) + 35) 62% 44%))}
.ac .acp-ava--xl{width:120px;height:120px;font-size:38px;border:5px solid #fff;box-shadow:0 10px 30px rgba(15,18,22,.1)}

/* ---------- thanh công cụ danh sách ---------- */
.ac .acp-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:30px}
.ac .acp-bar__l{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.ac .acp-views{display:inline-flex;box-shadow:var(--acp-shadow-s);border-radius:4px;background:#fff}
.ac .acp-views a{width:42px;height:38px;display:grid;place-items:center;color:#5b5f64}
.ac .acp-views a+a{border-left:1px solid var(--acp-line)}
.ac .acp-views a.is-on,.ac .acp-views a:hover{color:var(--ac)}
.ac .acp-views a.is-on{background:var(--acp-gray)}
.ac .acp-found{margin:0;font-size:15px;font-weight:600;color:#5c5c68}
.ac .acp-found b{color:var(--ink)}
.ac .acp-found a{color:var(--ac)}
.ac .acp-found--top{margin-bottom:26px}
.ac .acp-select{position:relative;display:inline-flex;align-items:center}
.ac .acp-select select{appearance:none;-webkit-appearance:none;min-width:220px;height:42px;padding:0 40px 0 16px;border:0;border-radius:6px;background:#fff;box-shadow:var(--acp-shadow-s);font:inherit;font-size:15px;font-weight:600;color:#5c5c68;cursor:pointer}
.ac .acp-select .acp-i{position:absolute;right:14px;pointer-events:none;color:#5c5c68}

/* ---------- thẻ khóa học ---------- */
.ac .acp-courses{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 24px}
.ac .acp-courses--list{grid-template-columns:1fr;gap:24px}
.ac .acp-course{position:relative;display:flex;flex-direction:column;background:#fff;border-radius:6px;box-shadow:var(--acp-shadow-s);overflow:hidden;transition:box-shadow .3s,transform .3s}
.ac .acp-course:hover{box-shadow:0 20px 40px rgba(1,11,60,.1);transform:translateY(-4px)}
.ac .acp-course__img{position:relative;display:block;aspect-ratio:416/246;overflow:hidden;background:var(--acp-gray)}
.ac .acp-course__img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.ac .acp-course:hover .acp-course__img img{transform:scale(1.05)}
.ac .acp-course__art{position:absolute;inset:0;display:grid;place-items:center;font-size:46px;font-weight:800;color:#fff;background:linear-gradient(135deg,hsl(var(--h) 66% 56%),hsl(calc(var(--h) + 40) 66% 42%))}
.ac .acp-course__body{display:flex;flex-direction:column;flex:1;min-width:0;padding:26px 28px 18px}
.ac .acp-course h3{font-size:18px;line-height:1.45;font-weight:700;margin:0 0 14px}
.ac .acp-course h3 a{color:var(--ink)}
.ac .acp-course h3 a:hover{color:var(--ac)}
.ac .acp-course__cat{display:block;color:var(--ac);font-size:14px;font-weight:600;margin-bottom:6px}
.ac .acp-course__foot{margin-top:auto;padding-top:13px;border-top:1px solid #eee;display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:14px;color:#777;margin-top:16px}
.ac .acp-course__foot-l{display:flex;align-items:center;gap:6px;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.ac .acp-price{color:var(--ink);font-size:16px;font-weight:700;white-space:nowrap}
.ac .acp-price del{color:#9aa0a8;font-weight:400;font-size:13px;margin-right:6px}
.ac .acp-course--list{flex-direction:row}
.ac .acp-course--list .acp-course__img{flex:0 0 50%;aspect-ratio:auto;min-height:254px}
.ac .acp-course--list .acp-course__img img{position:absolute;inset:0}
.ac .acp-course--list .acp-badge--lv{left:auto;right:20px}
.ac .acp-course--list .acp-course__body{padding:30px 32px 22px}
.ac .acp-course--list h3{font-size:20px}
.ac .acp-course--list .acp-price{font-size:19px}
.ac .acp-courses--2{grid-template-columns:repeat(2,minmax(0,1fr))}

/* ---------- phân trang ---------- */
.ac .acp-pager{display:flex;justify-content:center;align-items:center;gap:10px;margin-top:50px;flex-wrap:wrap}
.ac .acp-pager a,.ac .acp-pager span{width:40px;height:40px;display:grid;place-items:center;border-radius:50%;background:#fff;box-shadow:var(--acp-shadow-s);font-size:16px;font-weight:600;color:#5b5f64}
.ac .acp-pager a:hover{color:var(--ac)}
.ac .acp-pager .is-on{background:var(--ac);color:#fff;box-shadow:none}
.ac .acp-pager .acp-pager__gap{box-shadow:none;background:none}

/* ---------- cột phải ---------- */
.ac .acp-side{background:#fff;box-shadow:var(--acp-shadow);border-radius:6px;min-width:0}
.ac .acp-side--sticky{position:sticky;top:100px;background:none;box-shadow:none;display:grid;gap:24px}
.ac .acp-side--sticky>.acp-widget{background:#fff;box-shadow:var(--acp-shadow);border-radius:6px;border-bottom:0}
.ac .acp-widget{padding:35px;border-bottom:1px solid var(--acp-line)}
.ac .acp-widget:last-child{border-bottom:0}
.ac .acp-widget h3{font-size:20px;font-weight:600;color:var(--ink);margin:0 0 20px;line-height:1.2}
.ac .acp-widget p{margin:0 0 16px;font-size:15px}
.ac .acp-search{position:relative;display:flex}
.ac .acp-search input{width:100%;height:50px;border:0;border-radius:6px;background:var(--acp-gray);padding:0 52px 0 18px;font:inherit;font-size:15px;color:var(--ink)}
.ac .acp-search input:focus{outline:2px solid var(--ac);outline-offset:0}
.ac .acp-search button{position:absolute;right:0;top:0;width:50px;height:50px;border:0;background:none;color:var(--ink);cursor:pointer;display:grid;place-items:center}
.ac .acp-search button:hover{color:var(--ac)}
.ac .acp-checks{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.ac .acp-checks a{display:flex;align-items:center;gap:12px;padding:5px 0;font-size:15px;color:#5b5f64}
.ac .acp-checks a i{flex:none;width:18px;height:18px;border:1px solid #cfd4dc;border-radius:3px;background:#fff;position:relative;transition:background .15s,border-color .15s}
.ac .acp-checks--round a i{border-radius:50%}
.ac .acp-checks a:hover{color:var(--ac)}
.ac .acp-checks a.is-on{color:var(--ink);font-weight:600}
.ac .acp-checks a.is-on i{background:var(--ac);border-color:var(--ac)}
.ac .acp-checks a.is-on i::after{content:"";position:absolute;left:5px;top:1.5px;width:5px;height:10px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}
.ac .acp-checks small{color:#9aa0a8;font-size:14px}
.ac .acp-mini{list-style:none;margin:0;padding:0;display:grid;gap:18px}
.ac .acp-mini a{display:flex;gap:16px;align-items:center}
.ac .acp-mini__img{flex:none;width:88px;height:88px;border-radius:4px;overflow:hidden;background:var(--acp-gray)}
.ac .acp-mini__img img{width:100%;height:100%;object-fit:cover}
.ac .acp-mini__img b{display:grid;place-items:center;width:100%;height:100%;color:#fff;font-size:24px;background:linear-gradient(135deg,hsl(var(--h) 66% 56%),hsl(calc(var(--h) + 40) 66% 42%))}
.ac .acp-mini em{display:block;font-style:normal;color:var(--ink);font-weight:600;font-size:15px;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ac .acp-mini a:hover em{color:var(--ac)}
.ac .acp-mini b{display:block;color:var(--ink);font-size:16px;margin-top:4px}
.ac .acp-mini small{display:flex;align-items:center;gap:6px;color:#5b5f64;font-size:14px;margin-top:6px}
.ac .acp-cats{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.ac .acp-cats a{display:flex;justify-content:space-between;gap:12px;font-size:15px;color:#5b5f64}
.ac .acp-cats a:hover,.ac .acp-cats a.is-on{color:var(--ac)}
.ac .acp-tags{display:flex;flex-wrap:wrap;gap:10px}
.ac .acp-tags a{background:var(--acp-gray);color:#5b5f64;font-size:13px;font-weight:600;padding:6px 14px;border-radius:4px}
.ac .acp-tags a:hover{background:var(--ac);color:#fff}
.ac .acp-widget--cta{background:linear-gradient(135deg,var(--acp-gray),#fff)}

/* ---------- chi tiết khóa học ---------- */
.ac .acp-tabs{display:flex;flex-wrap:wrap;gap:4px;background:var(--acp-gray);border-radius:6px;padding:8px;margin-bottom:46px}
.ac .acp-tabs button{border:0;background:none;font:inherit;font-size:15px;font-weight:600;color:#5b5f64;padding:16px 26px;border-radius:6px;cursor:pointer}
.ac .acp-tabs button:hover{color:var(--ink)}
.ac .acp-tabs button.is-on{background:#fff;color:var(--ink);box-shadow:0 2px 6px rgba(15,18,22,.1)}
.ac .acp-panel[hidden]{display:none}
.ac .acp-prose{font-size:17px;line-height:1.75;color:var(--text);overflow-wrap:anywhere}
.ac .acp-prose>*:first-child{margin-top:0}
.ac .acp-prose p{margin:0 0 1.1em}
.ac .acp-prose h2{font-size:28px;margin:1.6em 0 .6em;color:var(--ink)}
.ac .acp-prose h3{font-size:22px;margin:1.5em 0 .5em;color:var(--ink)}
.ac .acp-prose img{border-radius:6px;height:auto;margin:1.6em 0}
.ac .acp-prose a{color:var(--ac);text-decoration:underline}
.ac .acp-prose strong{color:var(--ink)}
.ac .acp-prose ul{list-style:none;padding:0;margin:0 0 1.3em}
.ac .acp-prose ul li{position:relative;padding-left:36px;margin:0 0 12px}
.ac .acp-prose ul li::before{content:"";position:absolute;left:0;top:4px;width:22px;height:22px;border-radius:50%;background:var(--ac-s)}
.ac .acp-prose ul li::after{content:"";position:absolute;left:8px;top:9px;width:5px;height:9px;border:solid var(--ac);border-width:0 2px 2px 0;transform:rotate(45deg)}
.ac .acp-prose ol{padding-left:1.3em;margin:0 0 1.3em}
.ac .acp-prose ol li{margin-bottom:8px}
.ac .acp-prose blockquote{position:relative;margin:40px 0 50px;padding:36px 40px;color:var(--ink);font-size:22px;line-height:1.55;border-radius:6px;box-shadow:-3px 0 0 var(--ac),0 20px 40px rgba(15,18,22,.1);overflow:hidden}
.ac .acp-prose blockquote::after{content:"\201D";position:absolute;right:34px;bottom:-62px;font-size:180px;line-height:1;font-weight:800;color:rgba(15,18,22,.06);font-family:Georgia,serif}
.ac .acp-prose blockquote p:last-child{margin:0}
.ac .acp-prose table{width:100%;border-collapse:collapse;margin:0 0 1.4em;font-size:15px;display:block;overflow-x:auto}
.ac .acp-prose th,.ac .acp-prose td{border:1px solid var(--acp-line);padding:10px 12px;text-align:left;vertical-align:top}
.ac .acp-prose th{background:var(--acp-gray);color:var(--ink)}
.ac .acp-prose--narrow{max-width:860px;margin:0 auto}
.ac .acp-video{width:100%;border-radius:8px;margin:28px 0 6px;background:#000}
.ac .acp-box{margin-top:34px;padding:30px 32px;border:1px solid var(--acp-line);border-radius:8px}
.ac .acp-box .acp-h3{margin-top:0}
.ac .acp-ticks{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.ac .acp-ticks--2{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 28px}
.ac .acp-ticks li{position:relative;padding-left:34px;font-size:16px;color:var(--text);line-height:1.5}
.ac .acp-ticks li::before{content:"";position:absolute;left:0;top:1px;width:22px;height:22px;border-radius:50%;background:var(--ac-s)}
.ac .acp-ticks li::after{content:"";position:absolute;left:8px;top:6px;width:5px;height:9px;border:solid var(--ac);border-width:0 2px 2px 0;transform:rotate(45deg)}
.ac .acp-outline{display:grid;gap:14px}
.ac .acp-part{border:1px solid var(--acp-line);border-radius:8px;background:#fff;overflow:hidden}
.ac .acp-part summary{list-style:none;display:flex;align-items:center;gap:14px;padding:18px 22px;cursor:pointer;font-weight:700;color:var(--ink);font-size:17px}
.ac .acp-part summary::-webkit-details-marker{display:none}
.ac .acp-part summary span{flex:1;min-width:0}
.ac .acp-part summary small{color:var(--muted);font-weight:600;font-size:14px;white-space:nowrap}
.ac .acp-part summary .acp-i{transition:transform .2s;color:var(--muted)}
.ac .acp-part[open] summary{background:var(--acp-gray)}
.ac .acp-part[open] summary .acp-i{transform:rotate(180deg)}
.ac .acp-part__body{padding:6px 22px 14px}
.ac .acp-child{margin-top:8px;padding-left:14px;border-left:2px solid var(--acp-line)}
.ac .acp-child h4{font-size:15px;margin:12px 0 4px;color:var(--ink)}
.ac .acp-unit{display:flex;align-items:center;gap:14px;padding:12px 0;border-bottom:1px dashed var(--acp-line);font-size:15px}
.ac .acp-unit:last-child{border-bottom:0}
.ac .acp-unit__ic{flex:none;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--ac-s);color:var(--ac)}
.ac .acp-unit__ic svg{width:18px;height:18px}
.ac .acp-unit__ic .sf-svg-secondary,.ac .acp-unit__ic .sf-svg-tertiary{display:none}
.ac .acp-unit__name{flex:1;min-width:0;color:var(--ink)}
.ac .acp-unit__go{flex:none;display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:700;color:var(--ac);border:1.5px solid var(--ac);border-radius:50px;padding:5px 12px}
.ac .acp-unit__go:hover{background:var(--ac);color:#fff}
.ac .acp-unit__lock{flex:none;color:#a5abb3}
.ac .acp-teacher{display:flex;gap:20px;align-items:flex-start;padding:26px;border:1px solid var(--acp-line);border-radius:8px}
.ac .acp-teacher p{margin:0;font-size:17px}
.ac .acp-buy{padding:30px 32px}
.ac .acp-buy__price{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px;padding-bottom:22px;margin:-4px 0 6px;border-bottom:1px solid var(--acp-line)}
.ac .acp-buy__price b{font-size:30px;line-height:1.1;color:var(--ac);font-weight:700}
.ac .acp-buy__price del{color:#9aa0a8;font-size:16px}
.ac .acp-off{background:rgba(210,9,60,.1);color:#d2093c;font-size:13px;font-weight:700;padding:3px 8px;border-radius:4px}
.ac .acp-facts{list-style:none;margin:0 0 24px;padding:0}
.ac .acp-facts li{display:flex;align-items:center;gap:10px;padding:13px 0;border-bottom:1px solid var(--acp-line);font-size:15px}
.ac .acp-facts li .acp-i{color:var(--ink)}
.ac .acp-facts li span{color:var(--ink);white-space:nowrap}
.ac .acp-facts li b{margin-left:auto;text-align:right;font-weight:400;color:#5b5f64;min-width:0;overflow-wrap:anywhere}
.ac .acp-buy__btn{width:100%;border-radius:6px}
.ac .acp-buy .acp-btn-line{width:100%;margin-top:12px}
.ac .acp-share{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:22px;font-size:15px;font-weight:700;color:var(--ink)}
.ac .acp-share button{width:44px;height:44px;border-radius:50%;border:1px solid var(--acp-line);background:#fff;color:var(--ac);display:grid;place-items:center;cursor:pointer;box-shadow:var(--acp-shadow-s);transition:background .2s,color .2s}
.ac .acp-share button:hover,.ac .acp-share button.is-solid{background:var(--ac);color:#fff;border-color:var(--ac)}
.ac .acp-share button.is-done{background:#16a34a;color:#fff;border-color:#16a34a}

/* ---------- blog ---------- */
.ac .acp-entry{background:#fff;border-radius:6px;box-shadow:0 20px 40px rgba(15,18,22,.06),var(--acp-shadow-s);overflow:hidden;margin-bottom:50px}
.ac .acp-entry__img{position:relative;display:block;aspect-ratio:856/444;overflow:hidden;background:var(--acp-gray)}
.ac .acp-entry__img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.ac .acp-entry:hover .acp-entry__img img{transform:scale(1.04)}
.ac .acp-entry__body{padding:30px 40px 40px}
.ac .acp-entry h2{font-size:30px;line-height:1.3;margin:14px 0 16px}
.ac .acp-entry h2 a{color:var(--ink)}
.ac .acp-entry h2 a:hover{color:var(--ac)}
.ac .acp-entry p{margin:0 0 28px;font-size:16px;max-width:620px}
.ac .acp-entry__foot{display:flex;justify-content:space-between;align-items:center;gap:16px}
.ac .acp-article__foot{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin-top:40px;padding:26px 0;border-top:1px solid var(--acp-line)}
.ac .acp-article__tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.ac .acp-article__tags b{color:var(--ink);margin-right:8px}
.ac .acp-article__tags a{background:var(--acp-gray);color:#5b5f64;font-size:13px;font-weight:600;padding:5px 16px;border-radius:4px}
.ac .acp-article__tags a:hover{background:var(--ac);color:#fff}
.ac .acp-article__foot .acp-share{margin:0}
.ac .acp-postnav{display:flex;justify-content:space-between;gap:20px;padding:26px 0;border-top:1px solid var(--acp-line);border-bottom:1px solid var(--acp-line);margin-top:20px}
.ac .acp-postnav a{display:flex;align-items:center;gap:14px;color:var(--ink);font-weight:700;max-width:48%}
.ac .acp-postnav a span{min-width:0}
.ac .acp-postnav small{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:#5b5f64;font-weight:600}
.ac .acp-postnav i{flex:none;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;box-shadow:var(--acp-shadow-s)}
.ac .acp-postnav a:hover i{background:var(--ac);color:#fff}
.ac .acp-postnav__n{text-align:right;margin-left:auto}
.ac .acp-rposts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.ac .acp-rpost{background:#fff;border-radius:6px;overflow:hidden;box-shadow:var(--acp-shadow-s)}
.ac .acp-rpost__img{position:relative;display:block;aspect-ratio:270/135;background:var(--acp-gray)}
.ac .acp-rpost__img img{width:100%;height:100%;object-fit:cover}
.ac .acp-rpost__img .acp-badge{top:12px;right:12px}
.ac .acp-rpost>div{padding:18px 22px 22px}
.ac .acp-rpost em{display:block;font-style:normal;color:var(--ac);font-size:14px;margin-bottom:4px}
.ac .acp-rpost h3{font-size:17px;line-height:1.35;margin:0}
.ac .acp-rpost h3 a{color:var(--ink)}
.ac .acp-rpost h3 a:hover{color:var(--ac)}

/* ---------- giới thiệu ---------- */
.ac .acp-welcome__in{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:80px;align-items:center}
.ac .acp-collage{position:relative;aspect-ratio:600/580;max-width:620px}
.ac .acp-collage img{position:absolute;object-fit:cover;box-shadow:0 20px 40px rgba(15,18,22,.12)}
.ac .acp-collage__a{left:4%;top:5%;width:61%;height:60%;border-radius:2px}
.ac .acp-collage__b{right:0;bottom:0;width:61%;height:52%;border:10px solid #fff;border-radius:2px}
.ac .acp-collage__badge{position:absolute;left:57%;top:24%;width:120px;height:120px;border-radius:50%;background:#fff;display:grid;place-items:center;box-shadow:0 10px 30px rgba(15,18,22,.14);z-index:2;padding:20px}
.ac .acp-collage__badge img{position:static;box-shadow:none;width:100%;height:100%;object-fit:contain}
.ac .acp-collage__wave{position:absolute;left:12%;top:0;width:44px;height:10px;background:repeating-linear-gradient(135deg,transparent 0 3px,#3fd8a8 3px 5px,transparent 5px 8px)}
.ac .acp-collage__dots{position:absolute;left:-2%;top:56%;width:20px;height:90px;background:radial-gradient(circle,var(--ink) 1.5px,transparent 2px) 0 0/10px 10px;opacity:.5}
.ac .acp-collage__dot{position:absolute;left:-2%;top:70%;width:58px;height:58px;border-radius:50%;background:#1cc489;z-index:1;opacity:.92}
.ac .acp-collage__ring{position:absolute;left:62%;bottom:-24px;width:60px;height:60px;border-radius:50%;border:6px solid var(--ac-s);border-top-color:transparent;transform:rotate(45deg)}
.ac .acp-welcome__text h2{font-size:clamp(32px,3.2vw,46px);line-height:1.18;margin-bottom:22px}
.ac .acp-welcome__text h2 em{display:block}
.ac .acp-welcome__text .acp-lead{margin:0 0 18px}
.ac .acp-q{font-size:15px;color:var(--ink);margin:0 0 26px;padding-bottom:26px;border-bottom:1px solid var(--acp-line)}
.ac .acp-q a{color:var(--ac);font-weight:700;text-decoration:underline}
.ac .acp-welcome__text .acp-ticks{margin-bottom:34px}
.ac .acp-welcome__act{display:flex;align-items:center;gap:30px;flex-wrap:wrap}
.ac .acp-support{display:flex;align-items:center;gap:12px}
.ac .acp-support i{width:46px;height:46px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center}
.ac .acp-support small{display:block;font-size:13px;color:#5b5f64}
.ac .acp-support a{color:var(--ink);font-weight:700;font-size:16px}
.ac .acp-band{margin:0 0 0;position:relative}
.ac .acp-band__bg{background:var(--acp-gray);border-radius:10px;margin:0 32px;padding:80px 0 170px}
.ac .acp-head{text-align:center;max-width:680px;margin:0 auto}
.ac .acp-head h2{font-size:clamp(30px,3vw,44px);line-height:1.25;margin:0}
.ac .acp-head.is-center{margin-bottom:50px}
.ac .acp-feats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;margin-top:-120px;position:relative;padding:0 30px}
.ac .acp-feat{background:#fff;border-radius:10px;padding:40px 36px 36px;box-shadow:0 20px 40px rgba(15,18,22,.08)}
.ac .acp-feat__ic{width:72px;height:72px;margin:-76px 0 26px;border-radius:50%;background:#fff;box-shadow:0 10px 30px rgba(15,18,22,.1);display:grid;place-items:center;color:var(--ac)}
.ac .acp-feat h3{font-size:20px;margin-bottom:12px}
.ac .acp-feat p{font-size:16px;margin:0 0 18px}
.ac .acp-crew__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:50px 24px}
.ac .acp-crew__head{grid-column:span 2;align-self:center}
.ac .acp-crew__head h2{font-size:clamp(30px,3vw,42px);line-height:1.2;margin:0 0 16px}
.ac .acp-crew__m{display:flex;flex-direction:column;align-items:center;text-align:center;padding:30px 10px;border-radius:10px;transition:box-shadow .3s,background .3s}
.ac .acp-crew__m:hover{background:#fff;box-shadow:0 30px 40px rgba(1,11,60,.06)}
.ac .acp-crew__m b{margin-top:16px;font-size:19px;color:var(--ink)}
.ac .acp-crew__m small{font-size:15px;color:#5b5f64}
.ac .acp-voices{background:#f7f8fb}
.ac .acp-voices__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.ac .acp-voice{margin:0;display:flex;flex-direction:column}
.ac .acp-voice blockquote{margin:0 0 26px;background:#fff;border-radius:8px;padding:30px;font-size:17px;line-height:1.7;color:#5b5f64;box-shadow:var(--acp-shadow-s);position:relative;flex:1}
.ac .acp-voice blockquote::after{content:"";position:absolute;left:34px;bottom:-9px;width:18px;height:18px;background:#fff;transform:rotate(45deg);box-shadow:2px 2px 2px rgba(15,18,22,.05)}
.ac .acp-voice figcaption{display:flex;align-items:center;gap:14px;padding-left:16px}
.ac .acp-voice figcaption .acp-ava{width:44px;height:44px;font-size:15px}
.ac .acp-voice b{display:block;color:var(--ink);font-size:17px}
.ac .acp-voice small{color:#5b5f64;font-size:14px}
.ac .acp-counts{padding:70px 0 0}
.ac .acp-counts__row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--acp-line);border-bottom:1px solid var(--acp-line)}
.ac .acp-count{display:flex;align-items:center;justify-content:center;gap:16px;padding:30px 12px}
.ac .acp-count+.acp-count{border-left:1px solid var(--acp-line)}
.ac .acp-count i{color:var(--ac)}
.ac .acp-count b{display:block;font-size:42px;line-height:1;color:var(--ink)}
.ac .acp-count small{display:block;font-size:13px;text-transform:uppercase;letter-spacing:.02em;color:#5b5f64;margin-top:6px}
.ac .acp-ctawrap{padding:90px 0 110px}
.ac .acp-cta{position:relative;overflow:hidden;display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap;padding:52px 56px;border-radius:6px;color:#fff;
  background:radial-gradient(60% 140% at 72% 120%,rgba(255,255,255,.12) 0 40%,transparent 40.5%),radial-gradient(40% 120% at 100% 0%,rgba(255,255,255,.1) 0 45%,transparent 45.5%),linear-gradient(110deg,var(--acp-b1),var(--acp-b2))}
.ac .acp-cta::after{content:"";position:absolute;right:18%;bottom:14px;width:60px;height:46px;background:radial-gradient(circle,rgba(255,255,255,.55) 1.5px,transparent 2px) 0 0/10px 10px}
.ac .acp-cta h2{color:#fff;font-size:clamp(26px,2.6vw,38px);line-height:1.2;margin:0 0 8px;max-width:640px}
.ac .acp-cta h2 em{color:#fff}
.ac .acp-cta p{margin:0;opacity:.88;max-width:620px}
.ac .acp-cta__btn{position:relative;z-index:1;display:inline-flex;align-items:center;gap:8px;border:2px solid rgba(255,255,255,.7);color:#fff!important;font-weight:700;padding:12px 26px;border-radius:6px;transition:background .2s,color .2s}
.ac .acp-cta__btn:hover{background:#fff;color:var(--ink)!important}

/* ---------- liên hệ ---------- */
.ac .acp-contact{display:grid;grid-template-columns:minmax(0,416px) minmax(0,1fr);gap:70px;align-items:start}
.ac .acp-addr{list-style:none;margin:0;padding:40px 36px 6px;border-radius:10px;background:linear-gradient(139deg,var(--acp-gray) 0%,rgba(242,244,249,0) 64%)}
.ac .acp-addr li{display:flex;gap:24px;padding-bottom:34px}
.ac .acp-addr i{flex:none;width:56px;height:56px;border-radius:50%;background:#fff;color:var(--ac);display:grid;place-items:center;box-shadow:0 10px 30px rgba(15,18,22,.1)}
.ac .acp-addr div{font-size:16px;line-height:1.55;color:#4d5765;min-width:0;overflow-wrap:anywhere}
.ac .acp-addr b{display:block;font-size:20px;color:var(--ink);margin:4px 0 8px}
.ac .acp-addr a{display:block;color:var(--ink)}
.ac .acp-addr a:hover{color:var(--ac)}
.ac .acp-contact__form h2{font-size:clamp(28px,2.6vw,36px);line-height:1.3;margin:0 0 30px}
.ac .acp-form{display:grid;grid-template-columns:1fr 1fr;gap:22px 24px;margin-bottom:24px}
.ac .acp-form input,.ac .acp-form textarea{width:100%;border:0;border-radius:4px;background:var(--acp-gray);padding:0 20px;height:56px;font:inherit;font-size:15px;color:var(--ink)}
.ac .acp-form textarea{grid-column:1/-1;height:auto;min-height:160px;padding:16px 20px;resize:vertical}
.ac .acp-form input:focus,.ac .acp-form textarea:focus{outline:2px solid var(--ac);outline-offset:0;background:#fff}
.ac .acp-form__act{grid-column:1/-1;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.ac .acp-form__act small{color:var(--muted);font-size:14px}
.ac .acp-form .ac-btn{border-radius:6px}
.ac .acp-map{display:block;width:100%;height:480px;border:0;border-radius:10px;margin-top:90px;filter:saturate(.9)}

/* ---------- giảng viên ---------- */
.ac .acp-people{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:40px 24px}
.ac .acp-people--sm{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.ac .acp-person{display:block;color:inherit}
.ac .acp-person__img{position:relative;display:grid;place-items:center;aspect-ratio:306/454;border-radius:4px;overflow:hidden;
  background:radial-gradient(70% 50% at 50% 38%,hsl(var(--h) 70% 92%) 0 60%,transparent 61%),linear-gradient(180deg,#f4f5f8,hsl(var(--h) 35% 90%))}
.ac .acp-person__img b{width:46%;aspect-ratio:1;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:clamp(28px,3vw,46px);font-weight:800;background:linear-gradient(135deg,hsl(var(--h) 62% 56%),hsl(calc(var(--h) + 35) 62% 42%));box-shadow:0 14px 30px hsla(var(--h),60%,40%,.28);transform:translateY(-10%)}
.ac .acp-person__img::after{content:"";position:absolute;left:18%;right:18%;bottom:-8%;height:34%;border-radius:50% 50% 0 0;background:hsl(var(--h) 40% 80%);opacity:.6}
.ac .acp-person__hover{position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;justify-content:flex-end;gap:14px;padding:26px;color:#fff;font-size:16px;line-height:1.45;
  background:linear-gradient(180deg,rgba(15,18,22,0) 40%,rgba(15,18,22,.9) 92%);opacity:0;transform:translateY(30px);transition:opacity .4s,transform .4s}
.ac .acp-person__hover em{display:inline-flex;align-items:center;gap:6px;font-style:normal;font-weight:700;color:#fff}
.ac .acp-person:hover .acp-person__hover,.ac .acp-person:focus-visible .acp-person__hover{opacity:1;transform:none}
.ac .acp-person__txt{display:block;text-align:center;margin-top:20px}
.ac .acp-person__txt b{display:block;font-size:20px;color:var(--ink)}
.ac .acp-person:hover .acp-person__txt b{color:var(--ac)}
.ac .acp-person__txt small{display:block;font-size:16px;color:#5b5f64}
.ac .acp-people--sm .acp-person__img{aspect-ratio:1}
.ac .acp-people--sm .acp-person__txt b{font-size:17px}
.ac .acp-people--sm .acp-person__txt small{font-size:14px}
.ac .acp-teach{padding:0 0 110px}
.ac .acp-teach__in{display:flex;align-items:center;gap:30px;padding:44px 50px;border-radius:10px;background:var(--acp-gray)}
.ac .acp-teach__in>i{flex:none;width:80px;height:80px;border-radius:50%;background:#fff;color:var(--ac);display:grid;place-items:center;box-shadow:0 10px 30px rgba(15,18,22,.08)}
.ac .acp-teach__in>div{flex:1;min-width:0}
.ac .acp-teach__in h2{font-size:28px;margin:0 0 6px}
.ac .acp-teach__in p{margin:0}
.ac .acp-profile{display:grid;grid-template-columns:356px minmax(0,1fr);gap:84px;align-items:start}
.ac .acp-profile__side{position:sticky;top:100px}
.ac .acp-person__img--static{aspect-ratio:356/370}
.ac .acp-profile__btn{width:100%;margin-top:16px;border-radius:6px;min-height:44px}
.ac .acp-profile__facts{list-style:none;margin:0 0 30px;padding:0 0 30px;border-bottom:1px solid #e8eaf0;display:flex;flex-wrap:wrap;gap:18px 60px}
.ac .acp-profile__facts li{font-size:16px;line-height:1.5}
.ac .acp-profile__facts b{display:block;color:var(--ink);font-weight:600}
.ac .acp-profile__facts em{display:block;font-style:normal;color:#5b5f64}
.ac .acp-profile__facts a:hover{color:var(--ac)}
.ac .acp-pstats{display:flex;gap:24px;margin:30px 0 0}
.ac .acp-pstats>div{display:flex;align-items:center;gap:20px;padding:28px 32px;border:1px solid var(--acp-line);border-radius:6px;min-width:260px}
.ac .acp-pstats i{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;box-shadow:0 10px 24px rgba(15,18,22,.1);color:var(--ac)}
.ac .acp-pstats b{display:block;font-size:36px;line-height:1;color:var(--ink)}
.ac .acp-pstats small{color:#5b5f64;font-size:15px}

/* ---------- sự kiện ---------- */
.ac .acp-evgrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:25px 24px}
.ac .acp-evcard{display:flex;flex-direction:column;background:#fff;border-radius:4px;padding:28px 32px 40px;transition:box-shadow .3s,transform .3s}
.ac .acp-evcard:hover{box-shadow:0 20px 40px rgba(1,11,60,.08);transform:translateY(-4px)}
.ac .acp-evcard__date{font-size:16px;line-height:1.25;color:#4d5765}
.ac .acp-evcard__date b{display:block;font-size:50px;line-height:1.24;font-weight:700;color:var(--ac)}
.ac .acp-evcard__date b.is-text{font-size:26px}
.ac .acp-evcard__time{margin:26px 0 6px;color:var(--ac);font-size:15px;line-height:1.4}
.ac .acp-evcard h3{font-size:20px;line-height:1.25;font-weight:600;margin:0 0 20px}
.ac .acp-evcard h3 a{color:var(--ink)}
.ac .acp-evcard h3 a:hover{color:var(--ac)}
.ac .acp-evcard__place{display:flex;align-items:center;gap:8px;margin:0 0 24px;font-size:15px;color:#4d5765;margin-top:auto}
.ac .acp-evcard .acp-btn-line{border-color:rgba(15,18,22,.1)}
.ac .acp-evcard.is-past{opacity:.7}
.ac .acp-evcard.is-past .acp-evcard__date b{color:#9aa0a8}
.ac .acp-countdown{display:flex;align-items:center;gap:26px;margin:30px 0;padding:26px 30px;border-radius:8px;background:var(--acp-gray)}
.ac .acp-countdown>div{flex:none;width:96px;height:96px;border-radius:50%;background:#fff;display:grid;place-content:center;text-align:center;box-shadow:0 10px 30px rgba(15,18,22,.08)}
.ac .acp-countdown>div b{font-size:34px;line-height:1;color:var(--ac)}
.ac .acp-countdown>div small{font-size:12px;color:#5b5f64;font-weight:600}
.ac .acp-countdown p{margin:0;font-size:17px}
.ac .acp-countdown.is-past>div b{color:#9aa0a8}
.ac .acp-evfacts{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.ac .acp-evfacts li{display:flex;gap:16px;align-items:flex-start;padding:22px;border:1px solid var(--acp-line);border-radius:8px;color:var(--ink);font-weight:600;font-size:16px;line-height:1.45}
.ac .acp-evfacts i{flex:none;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--ac-s);color:var(--ac)}
.ac .acp-evfacts small{display:block;font-weight:400;color:#5b5f64;font-size:14px;margin-bottom:2px}
.ac .acp-evlist{display:grid;gap:14px}
.ac .acp-evrow{display:flex;align-items:center;gap:22px;padding:18px 24px;border-radius:6px;background:#fff;box-shadow:var(--acp-shadow-s);color:var(--ink);transition:box-shadow .3s}
.ac .acp-evrow:hover{box-shadow:0 20px 40px rgba(1,11,60,.08)}
.ac .acp-evrow>span:nth-child(2){flex:1;min-width:0}
.ac .acp-evrow b{display:block;font-size:17px}
.ac .acp-evrow small{display:flex;align-items:center;gap:6px;color:#5b5f64;font-size:14px}
.ac .acp-evrow__d{flex:none;width:70px;text-align:center;border-right:1px solid var(--acp-line);padding-right:16px}
.ac .acp-evrow__d b{font-size:30px;line-height:1;color:var(--ac)}
.ac .acp-evrow__d b.is-text{font-size:14px}
.ac .acp-evrow__d small{display:block;font-size:12px}
.ac .acp-evrow>.acp-i{color:var(--ac)}
.ac .acp-dl{padding:30px 32px}
.ac .acp-dl div{margin-bottom:22px;font-size:15px;color:#5b5f64}
.ac .acp-dl div:last-child{margin-bottom:0}
.ac .acp-dl b{display:block;color:var(--ink);font-size:16px;margin-bottom:4px}
.ac .acp-dl a{color:#5b5f64}
.ac .acp-dl a:hover{color:var(--ac)}

/* ---------- đăng ký / kích hoạt / quên mật khẩu (storefront/auth trong .ac-inner) ---------- */
#main:has(> .ac-inner > .sf-auth){background:var(--acp-gray);position:relative;overflow:hidden}
.ac-inner:has(> .sf-auth){position:relative;padding:120px 20px 130px;max-width:none}
.ac-inner:has(> .sf-auth)::before{content:"";position:absolute;left:calc(50% - 340px);top:150px;width:8px;height:66px;background:radial-gradient(circle,var(--ac) 1.4px,transparent 1.8px) 0 0/8px 8px;opacity:.55}
.ac-inner:has(> .sf-auth)::after{content:"";position:absolute;right:calc(50% - 400px);top:300px;width:24px;height:24px;border-radius:50%;border:2.5px solid #1cc489;box-shadow:inset 0 0 0 4px transparent,inset 0 0 0 6.5px #1cc489}
.ac-inner .sf-auth{position:relative;z-index:1;max-width:470px;margin:0 auto;padding:50px;background:#fff;border:0;border-radius:10px;box-shadow:0 40px 60px rgba(15,18,22,.08);font-size:16px}
.ac-inner .sf-auth h1{text-align:center;font-size:30px;font-weight:700;margin:0 0 30px;color:var(--ink);letter-spacing:0}
.ac-inner .sf-auth .sf-field-block{margin:0 0 22px}
.ac-inner .sf-auth .sf-label{display:block;font-size:15px;font-weight:600;color:var(--ink);margin:0 0 10px}
.ac-inner .sf-auth .sf-field{width:100%;height:52px;border:0;border-radius:4px;background:var(--acp-gray);padding:0 20px;font:inherit;font-size:15px;color:var(--ink);box-shadow:none}
.ac-inner .sf-auth .sf-field:focus{outline:2px solid var(--ac);outline-offset:0;background:#fff}
.ac-inner .sf-auth .sf-btn{display:flex;width:100%;align-items:center;justify-content:center;gap:8px;min-height:52px;margin-top:8px;border:0;border-radius:4px;background:var(--ac);color:#fff;font:inherit;font-weight:700;font-size:16px;cursor:pointer;box-shadow:none;transition:background .2s}
.ac-inner .sf-auth .sf-btn::after{content:"\2192";font-weight:700}
.ac-inner .sf-auth .sf-btn:hover{background:var(--ac-d)}
.ac-inner .sf-auth .sf-btn.sf-quiet{background:#fff;color:var(--ink);border:2px solid rgba(15,18,22,.1)}
.ac-inner .sf-auth .sf-divider{display:flex;align-items:center;gap:12px;margin:28px 0 18px;border:0;height:auto;background:none;color:#9aa0a8;font-size:13px}
.ac-inner .sf-auth .sf-divider::before,.ac-inner .sf-auth .sf-divider::after{content:"";flex:1;border-top:1px dashed #cfd4dc}
.ac-inner .sf-auth>a:not(.sf-btn){display:block;text-align:center;color:var(--ac);font-weight:600;font-size:15px}
.ac-inner .sf-auth>a:not(.sf-btn):hover{text-decoration:underline}
.ac-inner .sf-auth .sf-alert{border-radius:6px;padding:14px 16px;background:var(--acp-gray);border:0;color:var(--ink);text-align:center}
.ac-inner .sf-auth .sf-muted,.ac-inner .sf-auth>p{text-align:center;color:#5b5f64}

/* ---------- màn hình nhỏ ---------- */
@media (max-width:1199px){
  .ac .acp-two{grid-template-columns:minmax(0,1fr) 330px;gap:36px}
  .ac .acp-evgrid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .ac .acp-welcome__in{gap:50px}
  .ac .acp-profile{grid-template-columns:300px minmax(0,1fr);gap:50px}
  .ac .acp-deco--circles{display:none}
}
@media (max-width:991px){
  .ac .acp-sec{padding:80px 0}
  .ac .acp-two{grid-template-columns:1fr;gap:50px}
  .ac .acp-side--sticky{position:static}
  .ac .acp-welcome__in,.ac .acp-contact{grid-template-columns:1fr;gap:50px}
  .ac .acp-collage{margin:0 auto;width:100%}
  .ac .acp-people{grid-template-columns:repeat(3,minmax(0,1fr))}
  .ac .acp-feats{grid-template-columns:1fr;max-width:560px;margin-left:auto;margin-right:auto;gap:60px;padding:0}
  .ac .acp-band__bg{margin:0 16px}
  .ac .acp-crew__grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .ac .acp-crew__head{grid-column:1/-1;text-align:center}
  .ac .acp-voices__grid{grid-template-columns:1fr;max-width:640px;margin:0 auto}
  .ac .acp-counts__row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ac .acp-count:nth-child(3){border-left:0}
  .ac .acp-count:nth-child(n+3){border-top:1px solid var(--acp-line)}
  .ac .acp-profile{grid-template-columns:1fr}
  .ac .acp-profile__side{position:static;max-width:356px}
  .ac .acp-rposts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ac .acp-deco--hatch,.ac .acp-deco--ring{display:none}
}
@media (max-width:767px){
  .ac .acp-banner{min-height:230px}
  .ac .acp-banner--photo{min-height:340px}
  .ac .acp-banner--single{min-height:380px}
  .ac .acp-banner__in{padding-top:44px;padding-bottom:44px}
  .ac .acp-deco--dots{left:6%}
  .ac .acp-deco--spark{left:8%;top:auto;bottom:12%}
  .ac .acp-sec{padding:60px 0}
  .ac .acp-courses,.ac .acp-courses--2{grid-template-columns:1fr}
  .ac .acp-course--list{flex-direction:column}
  .ac .acp-course--list .acp-course__img{flex:none;aspect-ratio:416/246;min-height:0}
  .ac .acp-course--list .acp-badge--lv{right:auto;left:20px}
  .ac .acp-evgrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .ac .acp-evcard{padding:24px 22px 28px}
  .ac .acp-people,.ac .acp-people--sm{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 16px}
  .ac .acp-crew__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 12px}
  .ac .acp-entry__body{padding:24px 22px 28px}
  .ac .acp-entry h2{font-size:24px}
  .ac .acp-tabs{margin-bottom:32px}
  .ac .acp-tabs button{padding:12px 16px;flex:1 1 auto}
  .ac .acp-ticks--2{grid-template-columns:1fr}
  .ac .acp-form{grid-template-columns:1fr}
  .ac .acp-addr{padding:30px 22px 4px}
  .ac .acp-addr li{gap:16px}
  .ac .acp-map{height:340px;margin-top:60px}
  .ac .acp-teach{padding-bottom:70px}
  .ac .acp-teach__in{flex-direction:column;text-align:center;padding:36px 24px}
  .ac .acp-cta{padding:36px 26px}
  .ac .acp-postnav{flex-direction:column}
  .ac .acp-postnav a{max-width:none}
  .ac .acp-rposts{grid-template-columns:1fr}
  .ac .acp-widget{padding:28px 24px}
  .ac .acp-buy{padding:26px 22px}
  .ac .acp-select select{min-width:0;width:100%}
  .ac .acp-sort,.ac .acp-select{width:100%}
  .ac-inner:has(> .sf-auth){padding:60px 16px 80px}
  .ac-inner .sf-auth{padding:34px 22px}
  .ac-inner:has(> .sf-auth)::before,.ac-inner:has(> .sf-auth)::after{display:none}
}
@media (max-width:479px){
  .ac .acp-evgrid{grid-template-columns:1fr}
  .ac .acp-counts__row{grid-template-columns:1fr}
  .ac .acp-count+.acp-count{border-left:0;border-top:1px solid var(--acp-line)}
  .ac .acp-countdown{flex-direction:column;text-align:center}
}

/* 23/10/2026: kiểu "Lưới toàn trang, bộ lọc phía trên" (trang Courses của mẫu Echooling) */
.ac .acp-full .acp-main{min-width:0}
.ac .acp-filterbar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:22px 26px;margin-bottom:34px;background:var(--acp-gray,#f3f4f8);border-radius:8px}
.ac .acp-filterbar__t{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:17px;color:var(--ink);margin-right:6px}
.ac .acp-filterbar .acp-select select{min-width:200px}
.ac .acp-filterbar__q{margin-left:auto;display:flex;align-items:center;min-width:240px;flex:0 1 300px}
.ac .acp-filterbar__q input{flex:1;min-width:0;height:42px;background:#fff;box-shadow:var(--acp-shadow-s)}
.ac .acp-filterbar__q button{height:42px;width:46px}
.ac .acp-courses--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.ac .acp-sec--tight{padding-top:0}
.ac .acp-strip{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:28px 34px;border-radius:10px;background:var(--ac-s);border:1px solid var(--ac-s)}
.ac .acp-strip h3{margin:0 0 4px;font-size:22px;color:var(--ink)}
.ac .acp-strip p{margin:0;color:#5b5f64}
@media (max-width:1199px){.ac .acp-courses--3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:767px){
  .ac .acp-filterbar{padding:18px;gap:10px}
  .ac .acp-filterbar .acp-select{flex:1 1 100%}
  .ac .acp-filterbar .acp-select select{width:100%;min-width:0}
  .ac .acp-filterbar__q{margin-left:0;flex:1 1 100%;min-width:0}
  .ac .acp-courses--3{grid-template-columns:1fr}
}

/* 26/10/2026: lượt khớp số đo trang mẫu Echooling cho nhóm "academy" (university, online, distance, archive, skills, coach, campus).
   Chỉ áp cho body.ac-fam-academy — các nhóm khác (kingster, dotlife, edupress, tiengtrung) giữ nguyên quy tắc ở trên + CSS riêng của nhóm. */
.ac.ac-fam-academy .acp-banner h1{line-height:1;margin-bottom:15px}
.ac.ac-fam-academy .acp-banner--single h1{font-size:clamp(32px,4.2vw,60px);line-height:1;margin:0 0 15px;max-width:820px}
.ac.ac-fam-academy .acp-banner--single .acp-pill{font-size:14px;font-weight:600;line-height:17px;padding:2px 10px 5px;margin-bottom:12px}
.ac.ac-fam-academy .acp-banner__meta{gap:10px 40px;font-size:16px;font-weight:400}
@media (min-width:992px){
  .ac.ac-fam-academy .acp-banner--photo,.ac.ac-fam-academy .acp-banner--single{min-height:525px}
  .ac.ac-fam-academy .acp-banner--single .acp-banner__in{padding-bottom:50px}
}
/* danh sách khóa học */
.ac.ac-fam-academy .acp-sec:has(>.acp-full){background:#f5f5f5;padding-bottom:110px}
.ac.ac-fam-academy .acp-filterbar{background:#fff;border-radius:6px;padding:15px 20px;margin-bottom:50px;box-shadow:0 1px 2px rgba(15,18,22,.1);gap:15px}
.ac.ac-fam-academy .acp-filterbar__t{font-size:16px;font-weight:400;color:#0f1216;margin-right:auto}
.ac.ac-fam-academy .acp-filterbar .acp-select select{background:#f2f4f9;box-shadow:none;height:45px;min-width:225px;font-weight:500;color:#5c5c68}
.ac.ac-fam-academy .acp-filterbar__q{margin-left:0;flex:0 1 225px;min-width:200px}
.ac.ac-fam-academy .acp-filterbar__q input{height:45px;background:#f2f4f9;box-shadow:none}
.ac.ac-fam-academy .acp-filterbar__q button{height:45px}
.ac.ac-fam-academy .acp-full .acp-bar{margin-bottom:20px}
.ac.ac-fam-academy .acp-full .acp-found{font-size:16px;font-weight:400;color:#5b5f64}
.ac.ac-fam-academy .acp-full .acp-course{border-radius:10px;box-shadow:none}
.ac.ac-fam-academy .acp-courses{row-gap:25px}
.ac.ac-fam-academy .acp-course__img{aspect-ratio:416/247}
.ac.ac-fam-academy .acp-course__body{padding:30px 38px 20px 35px}
.ac.ac-fam-academy .acp-course h3{font-size:18px;line-height:26px;margin:6px 0 15px}
.ac.ac-fam-academy .acp-meta{gap:6px 30px}
.ac.ac-fam-academy .acp-course__foot{padding-top:12px}
.ac.ac-fam-academy .acp-price{font-size:15px}
.ac.ac-fam-academy .acp-course--list .acp-course__body{padding:30px 32px 22px}
.ac.ac-fam-academy .acp-course--list h3{font-size:20px}
.ac.ac-fam-academy .acp-course--list .acp-price{font-size:20px;font-weight:600}
.ac.ac-fam-academy .acp-checks{gap:0}
.ac.ac-fam-academy .acp-checks a{padding:4px 0;font-size:16px}
.ac.ac-fam-academy .acp-widget h3{color:#0f1216;margin-bottom:22px}
/* chi tiết khóa học */
.ac.ac-fam-academy .acp-tabs{padding:10px 8px;gap:16px;margin-bottom:50px}
.ac.ac-fam-academy .acp-tabs button{font-size:14px;line-height:18px;padding:19px 25px}
.ac.ac-fam-academy .acp-tabs button.is-on{box-shadow:0 6px 10px rgba(15,18,22,.1);color:#0f1216}
.ac.ac-fam-academy .acp-panel>.acp-h{font-weight:600;color:#0f1216;margin-bottom:20px}
.ac.ac-fam-academy .acp-panel .acp-prose{font-size:16px;line-height:1.7;color:#4b4b57}
.ac.ac-fam-academy .acp-panel .acp-prose p{margin-bottom:26px}
.ac.ac-fam-academy .acp-buy{padding:25px 40px 30px}
.ac.ac-fam-academy .acp-facts li{padding:10px 0;font-size:16px}
.ac.ac-fam-academy .acp-related-h{font-size:20px;margin:90px 0 26px}
/* blog */
.ac.ac-fam-academy .acp-entry{margin-bottom:60px;box-shadow:0 1px 2px rgba(15,18,22,.14)}
.ac.ac-fam-academy .acp-entry__body{padding:40px}
.ac.ac-fam-academy .acp-entry .acp-meta{font-size:15px;font-weight:500;color:#737383;gap:6px 25px}
.ac.ac-fam-academy .acp-entry h2{font-size:34px;line-height:40px;font-weight:600;margin:12px 0 24px}
.ac.ac-fam-academy .acp-entry h2 a{color:#0f1216}
.ac.ac-fam-academy .acp-entry h2 a:hover{color:var(--ac)}
.ac.ac-fam-academy .acp-entry p{font-size:16px;line-height:1.7;color:#55575c;margin-bottom:30px;max-width:none}
.ac.ac-fam-academy .acp-entry .acp-btn-line{min-height:52px;padding:12px 35px;font-size:16px;font-weight:600;border-color:rgba(0,48,110,.1)}
.ac.ac-fam-academy .acp-article .acp-prose{font-size:18px;line-height:28px}
.ac.ac-fam-academy .acp-article .acp-prose p{margin-bottom:40px}
.ac.ac-fam-academy .acp-article .acp-prose h2{font-size:34px;line-height:43px;font-weight:600;color:#0f1216;margin:0 0 26px}
.ac.ac-fam-academy .acp-article .acp-prose h3{font-size:28px;line-height:1.3;font-weight:600;color:#0f1216;margin:0 0 22px}
.ac.ac-fam-academy .acp-article .acp-prose blockquote{font-size:24px;line-height:34px;padding:38px 40px 40px;margin:40px 0 60px;color:#0f1216}
.ac.ac-fam-academy .acp-article .acp-prose ul li{font-size:16px;line-height:27px;color:#0f1216;margin:20px 0}
.ac.ac-fam-academy .acp-article__foot{padding:30px 0 25px}
/* giới thiệu */
.ac.ac-fam-academy .acp-welcome__text h2{font-size:clamp(32px,3.5vw,50px);line-height:1.08;font-weight:700;margin-bottom:26px}
.ac.ac-fam-academy .acp-welcome__text .acp-lead{font-size:20px;line-height:30px;color:#777;margin-bottom:26px}
.ac.ac-fam-academy .acp-q{font-size:16px;line-height:26px;color:#777;padding-bottom:44px;margin-bottom:38px;border-bottom-color:#eaeaea}
.ac.ac-fam-academy .acp-welcome__act{margin-top:40px}
.ac.ac-fam-academy .acp-welcome__act .acp-btn-line{min-height:56px;padding:14px 35px;font-size:16px;font-weight:600;border-color:rgba(0,48,110,.1)}
.ac.ac-fam-academy .acp-support small{font-size:14px;color:#999}
.ac.ac-fam-academy .acp-support a{font-size:18px}
.ac.ac-fam-academy .acp-head h2,.ac.ac-fam-academy .acp-crew__head h2{font-weight:700;line-height:1.2}
.ac.ac-fam-academy .acp-head .acp-eyebrow,.ac.ac-fam-academy .acp-crew__head .acp-eyebrow{font-size:16px}
/* liên hệ */
.ac.ac-fam-academy .acp-contact__form h2{font-size:clamp(28px,2.6vw,34px);line-height:42px;font-weight:700;color:#0f1216;margin-bottom:41px}
.ac.ac-fam-academy .acp-form .ac-btn{min-height:55px;padding:14px 38px;font-weight:600}
.ac.ac-fam-academy .acp-addr b{font-size:20px;line-height:24px;font-weight:600;color:#0f1216;margin:0 0 8px}
.ac.ac-fam-academy .acp-addr div{line-height:24px}
.ac.ac-fam-academy .acp-addr li{padding-bottom:35px}
/* sự kiện */
.ac.ac-fam-academy .acp-evcard{padding:25px 32px 42px}
.ac.ac-fam-academy .acp-evcard__date{line-height:20px}
.ac.ac-fam-academy .acp-evcard__date b{line-height:62px}
.ac.ac-fam-academy .acp-evcard__time{margin:28px 0 4px;font-size:16px;line-height:22px}
.ac.ac-fam-academy .acp-evcard h3{line-height:25px;margin:0}
.ac.ac-fam-academy .acp-evcard__place{margin:24px 0;font-size:16px}
.ac.ac-fam-academy .acp-evcard .acp-btn-line{min-height:43px;padding:8px 35px 7px;font-size:16px;font-weight:600;border-color:rgba(0,48,110,.1)}
@media (max-width:767px){
  .ac.ac-fam-academy .acp-entry__body{padding:24px 22px 28px}
  .ac.ac-fam-academy .acp-entry h2{font-size:24px;line-height:1.3}
  .ac.ac-fam-academy .acp-tabs{gap:6px;margin-bottom:32px}
  .ac.ac-fam-academy .acp-tabs button{padding:12px 16px}
  .ac.ac-fam-academy .acp-course__body{padding:24px 22px 18px}
  .ac.ac-fam-academy .acp-filterbar .acp-select select{min-width:0}
  .ac.ac-fam-academy .acp-filterbar__q{flex:1 1 100%}
  .ac.ac-fam-academy .acp-article .acp-prose{font-size:17px;line-height:1.7}
  .ac.ac-fam-academy .acp-article .acp-prose h2{font-size:26px;line-height:1.3}
  .ac.ac-fam-academy .acp-article .acp-prose blockquote{font-size:20px;line-height:1.5;padding:28px 24px}
  .ac.ac-fam-academy .acp-welcome__text .acp-lead{font-size:18px;line-height:1.6}
}