/* Khoá Học – giao diện màu Facebook, đồng bộ với plugin Việc Làm
   Xanh #1877f2 (hành động chính), nền xám #f0f2f5, thẻ trắng bo góc, xanh lá (gọi điện), đỏ (HOT). */
:root{
	--kh-bg:#f0f2f5;--kh-paper:#fff;--kh-soft:#f0f2f5;
	--kh-line:#dadde1;--kh-line-d:#ced0d4;
	--kh-ink:#050505;--kh-mut:#65676b;
	--kh-red:#fa3e3e;--kh-red-d:#d93030;
	--kh-pri:#1877f2;--kh-pri-d:#166fe5;--kh-pri-bg:#e7f3ff;
	--kh-grn:#42b72a;--kh-grn-d:#36a420;--kh-gold:#f7b928;
	--kh-btn2:#e4e6eb;--kh-btn2-h:#d8dadf;
	--kh-shadow:0 1px 2px rgba(0,0,0,.12);--kh-shadow-h:0 2px 10px rgba(0,0,0,.18);
	--kh-font:Roboto,"Segoe UI",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
@keyframes khcgPulse{0%{box-shadow:0 0 0 0 rgba(229,38,38,.6)}70%{box-shadow:0 0 0 14px rgba(229,38,38,0)}100%{box-shadow:0 0 0 0 rgba(229,38,38,0)}}

.khcg-wrap,.khcg-single,.khcg-form,.khcg-search{font-family:var(--kh-font);color:var(--kh-ink);line-height:1.55;box-sizing:border-box;-webkit-font-smoothing:antialiased}
.khcg-wrap *,.khcg-single *,.khcg-form *,.khcg-search *{box-sizing:border-box}
.khcg-wrap{max-width:1100px;margin:0 auto;padding:22px 16px;background:var(--kh-bg)}
.khcg-wrap button,.khcg-wrap input,.khcg-wrap select,.khcg-wrap textarea,.khcg-form button,.khcg-form input,.khcg-form select,.khcg-form textarea,.khcg-search input,.khcg-search select,.khcg-search button,.khcg-single button{font-family:inherit}

.khcg-h1{font-size:26px;line-height:1.3;margin:0 0 6px;color:var(--kh-ink);font-weight:700}
.khcg-h2{font-size:18px;margin:0 0 12px;padding:0 0 10px;border-bottom:1px solid var(--kh-line);color:var(--kh-ink);font-weight:700}
.khcg-h3{font-size:15px;margin:14px 0 4px;color:var(--kh-ink);font-weight:700}
.khcg-list-head{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;margin-bottom:14px}
.khcg-desc{background:var(--kh-paper);border-radius:8px;box-shadow:var(--kh-shadow);padding:12px 14px;margin-bottom:12px;color:var(--kh-mut)}
.khcg-count{color:var(--kh-mut);margin:14px 0 10px;font-size:14px}.khcg-count strong{color:var(--kh-pri)}

/* Nút: phẳng, bo 6px như Facebook */
.khcg-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:40px;border:0;border-radius:6px;padding:9px 20px;font-weight:700;font-size:15px;line-height:1.2;color:#fff!important;background:var(--kh-pri);box-shadow:none;text-decoration:none!important;cursor:pointer;transition:background .12s,transform .06s}
.khcg-btn:hover{background:var(--kh-pri-d)}
.khcg-btn:active{transform:scale(.98)}
.khcg-btn:focus-visible,.khcg-call-btn:focus-visible,.khcg-callbar-btn:focus-visible{outline:2px solid var(--kh-pri);outline-offset:2px}
.khcg-btn-lg{min-height:48px;padding:12px 32px;font-size:17px}
.khcg-btn-sm{min-height:36px;padding:7px 14px;font-size:14px;background:var(--kh-btn2);color:var(--kh-ink)!important}
.khcg-btn-sm:hover{background:var(--kh-btn2-h)}
.khcg-btn-alt{background:var(--kh-btn2);color:var(--kh-ink)!important}
.khcg-btn-alt:hover{background:var(--kh-btn2-h)}
.khcg-btn-zalo{background:#0068ff}.khcg-btn-zalo:hover{background:#0057d9}
.khcg-btn-post{background:var(--kh-pri);color:#fff!important}

/* Tìm kiếm */
.khcg-search{display:flex;flex-wrap:wrap;gap:8px;background:var(--kh-paper);border-radius:8px;box-shadow:var(--kh-shadow);padding:12px}
.khcg-search input[type=search],.khcg-search select{flex:1 1 160px;min-width:0;width:100%;min-height:42px;padding:10px 16px;border:1px solid transparent;border-radius:999px;background:var(--kh-bg);color:var(--kh-ink);font-size:15px}
.khcg-search input[type=search]{flex:2 1 220px}
.khcg-search input:focus,.khcg-search select:focus{outline:0;border-color:var(--kh-pri);background:#fff;box-shadow:0 0 0 2px var(--kh-pri-bg)}
/* Widget "Tìm khoá học" (compact): 1 cột như widget Tìm việc làm, ô nhập vuông bo 6px có viền, nền trắng (không bo tròn) */
.khcg-search-compact{display:grid;grid-template-columns:1fr;gap:8px;background:transparent;box-shadow:none;border:0;border-radius:0;padding:0}
.khcg-search-compact input[type=search],.khcg-search-compact select{flex:none;width:100%;min-height:42px;padding:10px 12px;border:1px solid var(--kh-line-d);border-radius:6px;background:#fff;color:var(--kh-ink);font-size:15px;box-shadow:none}
.khcg-search-compact input[type=search]:focus,.khcg-search-compact select:focus{outline:0;border-color:var(--kh-pri);background:#fff;box-shadow:0 0 0 2px var(--kh-pri-bg)}
.khcg-search-compact .khcg-btn{width:100%}

/* Danh sách: thẻ trắng như bài đăng */
.khcg-list{display:flex;flex-direction:column;gap:10px}
.khcg-card{display:flex;gap:14px;align-items:flex-start;background:#fff;border-radius:8px;box-shadow:var(--kh-shadow);padding:14px;transition:box-shadow .15s}
.khcg-card:hover{box-shadow:var(--kh-shadow-h)}
.khcg-av{flex:0 0 46px;width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:20px;color:var(--kh-pri);background:var(--kh-pri-bg)}
.khcg-thumb{position:relative;flex:0 0 72px;width:72px;height:72px;border:1px solid var(--kh-line);border-radius:8px;overflow:hidden;background:var(--kh-soft);display:block}
.khcg-thumb-img{display:block;width:100%;height:100%;object-fit:cover}
.khcg-card-main{flex:1;min-width:0}
.khcg-card-title{margin:0 0 2px;font-size:17px;line-height:1.35;font-weight:700}
.khcg-card-title a{color:var(--kh-ink);text-decoration:none}.khcg-card-title a:hover{color:var(--kh-pri);text-decoration:none}
.khcg-card-co{color:var(--kh-mut);font-size:14px;margin-bottom:8px}
.khcg-chips{display:flex;flex-wrap:wrap;gap:6px}
.khcg-chip{background:var(--kh-btn2);color:#050505;border-radius:999px;padding:3px 11px;font-size:13px;font-weight:500}
.khcg-chip-pay{background:var(--kh-pri-bg);color:var(--kh-pri);font-weight:700}
.khcg-card-side{display:flex;flex-direction:column;align-items:flex-end;gap:8px;min-width:130px}
.khcg-ago{font-size:12px;color:var(--kh-mut)}
.khcg-stickers{display:flex;flex-wrap:wrap;gap:5px;justify-content:flex-end}

/* Nhãn: viên thuốc */
.khcg-st{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.4px;padding:3px 9px;border-radius:999px;color:#fff;background:var(--kh-pri);white-space:nowrap}
.khcg-st-hot{background:#f02849}
.khcg-st-new{background:var(--kh-grn-d)}
.khcg-st-hb{background:var(--kh-gold);color:#3b2a00}
.khcg-st-off{background:#8a8d91}

/* Phân trang */
.khcg-pager{margin:22px 0;text-align:center}
.khcg-pager .page-numbers{display:inline-block;min-width:38px;text-align:center;padding:7px 12px;margin:2px;border:0;border-radius:6px;background:var(--kh-btn2);color:var(--kh-ink);font-weight:600;text-decoration:none}
.khcg-pager a.page-numbers:hover{background:var(--kh-btn2-h);color:var(--kh-ink)}
.khcg-pager .current{background:var(--kh-pri);color:#fff}
.khcg-pager .dots{background:transparent}
.khcg-empty{background:#fff;border:1px dashed var(--kh-line-d);border-radius:8px;padding:30px;text-align:center;color:var(--kh-mut)}

/* Quảng cáo + hộp nội dung */
.khcg-ad{position:relative;background:#fff;border:1px solid var(--kh-line);border-radius:8px;padding:22px 10px 10px;text-align:center;overflow:hidden}
.khcg-ad-label{position:absolute;top:5px;left:10px;font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--kh-mut)}
.khcg-ad img{max-width:100%;height:auto}
.khcg-box{background:var(--kh-paper);border:0;border-radius:8px;box-shadow:var(--kh-shadow);padding:18px}

/* Trang chi tiết */
.khcg-single{container-type:inline-size;container-name:khs;margin:0 0 20px}
.khcg-notice-head{text-align:center;background:#fff;border-top:4px solid var(--kh-pri);border-radius:8px;box-shadow:var(--kh-shadow);padding:18px 16px;margin:0 0 16px}
.khcg-notice-tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:1.5px;color:var(--kh-pri);background:var(--kh-pri-bg);border-radius:999px;padding:3px 14px;margin-bottom:10px}
.khcg-notice-co{display:flex;align-items:center;justify-content:center;gap:12px;text-align:left}
.khcg-notice-co .khcg-stickers{justify-content:flex-start;margin-top:4px}
.khcg-cols{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:18px;align-items:start}
.khcg-main{display:flex;flex-direction:column;gap:14px}
.khcg-side{display:flex;flex-direction:column;gap:14px;position:sticky;top:20px}
.khcg-facts{display:grid;grid-template-columns:1fr 1fr;gap:12px 16px;margin:0}
.khcg-facts dt{font-size:12px;color:var(--kh-mut);text-transform:uppercase;letter-spacing:.5px}
.khcg-facts dd{margin:2px 0 0;font-weight:600}
.khcg-facts a{color:var(--kh-pri);text-decoration:none}.khcg-facts a:hover{text-decoration:underline}
.khcg-pay{color:var(--kh-pri);font-size:18px;font-weight:700}
.khcg-prose{line-height:1.75;overflow-wrap:anywhere;margin:0}
.khcg-prose img,.khcg-prose video,.khcg-prose embed,.khcg-prose object,.khcg-prose table{max-width:100%;height:auto}
.khcg-prose iframe{max-width:100%}
.khcg-prose ul,.khcg-prose ol{margin:0 0 12px;padding-left:22px}.khcg-prose h2,.khcg-prose h3,.khcg-prose h4,.khcg-prose h5,.khcg-prose h6{margin:16px 0 8px;line-height:1.35}
.khcg-warn{background:#fff8e1;border-left:4px solid var(--kh-gold);border-radius:6px;padding:10px 12px;font-size:14px;margin:0}
.khcg-related{margin-top:24px}
.khcg-related .khcg-h2{border:0;padding:0}

/* Hộp gọi tư vấn: nút xanh lá, có vòng sóng thu hút */
.khcg-call{text-align:center}
.khcg-call-title{font-weight:700;font-size:16px;margin-bottom:4px}
.khcg-call-name{color:var(--kh-mut);margin-bottom:4px}
.khcg-call small{display:block;color:var(--kh-mut);font-size:12px}
.khcg-call-btn{display:block;width:100%;border:0;cursor:pointer;background:#e52626;color:#fff!important;font-size:22px;font-weight:700;padding:14px 10px;border-radius:8px;text-decoration:none!important;margin:12px 0 8px;animation:khcgPulse 1.9s infinite;transition:background .12s}
.khcg-call-btn:hover{background:#c91e1e}
.khcg-call-btn::before{content:"☎ "}
.khcg-tap{display:block;font-style:normal;font-size:12px;font-weight:500;opacity:.9;margin-top:2px}
.khcg-call-trust{list-style:none;margin:12px 0 0;padding:10px 0 0;border-top:1px solid var(--kh-line);color:#4a4d52;font-size:13px;line-height:1.8;text-align:left}
.khcg-call-trust li::before{content:"✓ ";color:var(--kh-grn-d);font-weight:700}
.khcg-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.khcg-actions .khcg-btn{flex:1 1 100%}
.khcg-inline-phone{background:none;border:0;padding:0;margin:0;font:inherit;color:#e52626!important;font-weight:700;text-decoration:underline;cursor:pointer}
.khcg-inline-phone .khcg-tap{display:none}
.khcg-callbar{display:none}

/* Form đăng khoá học */
.khcg-form{max-width:820px;margin:0 auto}
.khcg-form fieldset{border:0;border-radius:8px;background:#fff;box-shadow:var(--kh-shadow);padding:16px;margin:0 0 16px;min-width:0}
.khcg-form legend{background:transparent;color:var(--kh-ink);padding:0 6px;font-weight:700;font-size:15px}
.khcg-f{display:block;font-weight:600;font-size:14px;margin-bottom:12px}
.khcg-f span{display:block}.khcg-f i{color:var(--kh-red);font-style:normal}
.khcg-form input[type=text],.khcg-form input[type=tel],.khcg-form input[type=email],.khcg-form input[type=url],.khcg-form input[type=number],.khcg-form input[type=date],.khcg-form select,.khcg-form textarea{display:block;width:100%;margin-top:5px;padding:10px 12px;border:1px solid var(--kh-line-d);border-radius:6px;font-size:15px;font-weight:400;background:#fff;color:var(--kh-ink)}
.khcg-form input:focus,.khcg-form select:focus,.khcg-form textarea:focus{outline:0;border-color:var(--kh-pri);box-shadow:0 0 0 2px var(--kh-pri-bg)}
.khcg-row{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}
.khcg-row3{grid-template-columns:1fr 1fr 1fr}
.khcg-rtef .wp-editor-wrap{max-width:100%;margin-top:5px}.khcg-rtef .mce-tinymce{border-color:var(--kh-line-d)!important}
.khcg-hint{color:var(--kh-mut);font-size:13px;margin:0 0 12px}
.khcg-hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.khcg-notice{border-radius:8px;padding:12px 16px;margin:0 auto 16px;max-width:820px;background:#fff;box-shadow:var(--kh-shadow)}
.khcg-ok{background:#ecf8e8;border-left:4px solid var(--kh-grn)}
.khcg-err{background:#ffebe9;border-left:4px solid var(--kh-red)}
.khcg-msg:empty{display:none}.khcg-msg .khcg-notice{margin-bottom:12px}
.khcg-et{display:block;color:var(--kh-red-d);font-weight:400;font-size:13px;margin-top:3px}
.khcg-bad input,.khcg-bad select,.khcg-bad textarea{border-color:var(--kh-red)!important;background:#fff8f8}
.khcg-count{margin:-6px 0 12px;font-size:12px;color:var(--kh-mut);text-align:right}.khcg-count-ok{color:var(--kh-grn-d)}
.khcg-btn[disabled]{opacity:.6;cursor:wait}
#khcg-form{scroll-margin-top:80px}

/* Thu hẹp theo bề rộng khung chứa (không phụ thuộc bề rộng màn hình) */
@container khs (max-width:760px){
	.khcg-cols{grid-template-columns:1fr}
	.khcg-side{position:static;order:-1}
	.khcg-facts{grid-template-columns:1fr}
}
@media(max-width:820px){
	.khcg-wrap{padding:14px 10px}
	.khcg-h1{font-size:21px}
	.khcg-card{flex-wrap:wrap}
	.khcg-card-side{flex-direction:row;align-items:center;justify-content:space-between;width:100%;min-width:0}
	.khcg-thumb{flex-basis:60px;width:60px;height:60px}
	.khcg-row,.khcg-row3{grid-template-columns:1fr}
	.khcg-has-call{padding-bottom:80px}
	.khcg-callbar{display:block;position:fixed;left:0;right:0;bottom:0;z-index:9999;padding:10px;background:#fff;border-top:1px solid var(--kh-line);box-shadow:0 -2px 8px rgba(0,0,0,.1)}
	.khcg-callbar-btn{display:block;width:100%;border:0;cursor:pointer;text-align:center;background:#e52626;color:#fff!important;font-weight:700;font-size:17px;padding:13px;border-radius:8px;text-decoration:none!important;animation:khcgPulse 1.9s infinite}
	.khcg-callbar-btn::before{content:"☎ "}
	.khcg-callbar-btn .khcg-tap{display:inline;margin-left:6px}
}
@media(prefers-reduced-motion:reduce){
	.khcg-call-btn,.khcg-callbar-btn,.khcg-btn,.khcg-card{animation:none!important;transition:none!important}
}

/* Nút Zalo (hiện sau khi bấm hiện số): viền đỏ, đi cùng nút gọi điện – giống plugin Việc làm */
.khcg-zalo{display:block;text-align:center;border:2px solid #e52626;color:#e52626!important;background:#fff;font-weight:700;font-size:17px;padding:10px;border-radius:8px;text-decoration:none!important;margin:0 0 8px}
.khcg-zalo:hover{background:#fff1f1}
.khcg-call .khcg-web{display:block;margin:0 0 4px;text-align:center}
.khcg-inline-phone+.khcg-zalo{display:inline;border:0;padding:0;margin:0 0 0 8px;background:none;font-size:inherit;text-decoration:underline!important}
.khcg-callbar.has-zalo{display:flex;gap:8px}
.khcg-callbar.has-zalo .khcg-callbar-btn{flex:1 1 60%;animation:none}
.khcg-callbar.has-zalo .khcg-zalo{flex:1 1 40%;margin:0;display:flex;align-items:center;justify-content:center;padding:0 8px}
@media(min-width:821px){.khcg-callbar.has-zalo{display:none}}