/* Bé Vui Học: trang giới thiệu (templates/be_vui_hoc*.html) */
.bvh-preview{background:#fff1a8;color:#5c4400;text-align:center;font:600 13px/1.4 inherit;padding:6px 12px}
.bvh-hero{padding:56px 0 40px;background:radial-gradient(800px 400px at 10% 0%,#e7f5ff,transparent 70%),radial-gradient(700px 380px at 100% 10%,#fff0f6,transparent 70%),linear-gradient(180deg,#f8fbff,#fff)}
.bvh-hero-in{display:grid;grid-template-columns:1fr 1.15fr;gap:40px;align-items:center}
.bvh-tag{display:inline-block;font-size:13px;font-weight:700;color:#1864ab;background:#e7f5ff;padding:4px 12px;border-radius:999px}
.bvh-hero h1{font-size:clamp(30px,4.6vw,48px);line-height:1.12;letter-spacing:-.02em;margin:14px 0 14px}
.bvh-logo{display:block;font-family:"Baloo 2",system-ui,sans-serif;font-weight:800;font-size:1.25em;line-height:1.05;background:linear-gradient(90deg,#ff6b6b,#fab005,#40c057,#228be6,#7950f2);-webkit-background-clip:text;background-clip:text;color:transparent}
.bvh-hero .lead{font-size:18px;color:var(--ink-2);margin:0 0 20px}
.bvh-cta{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 18px}
.btn.bvh-go{background:#fd7e14;color:#fff;box-shadow:0 6px 0 #d9480f;font-size:18px;border-radius:14px}
.btn.bvh-go:hover{background:#ff922b}
.bvh-ticks{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:6px 16px;font-size:15px;font-weight:600;color:var(--ink-2)}
.bvh-ticks li::before{content:"✓";color:#2f9e44;font-weight:800;margin-right:8px}
.bvh-shot{margin:0;border-radius:20px;overflow:hidden;box-shadow:0 24px 48px -24px rgba(16,40,90,.35),0 0 0 1px rgba(0,0,0,.05);background:#fff}
.bvh-shot img{display:block;width:100%;height:auto}
.bvh-shot figcaption{font-size:14px;color:var(--muted);padding:10px 14px}
.bvh-shot-main{transform:rotate(1deg)}
.bvh-nums{border-block:1px solid var(--line);background:#fff}
.bvh-nums .wrap{display:grid;grid-template-columns:repeat(4,1fr);text-align:center;padding-block:22px}
.bvh-nums b{display:block;font-family:"Baloo 2",system-ui,sans-serif;font-size:36px;line-height:1.1;color:#fd7e14}
.bvh-nums span{font-size:14px;color:var(--muted);font-weight:600}
.bvh-sec{padding:56px 0}
.bvh-sec h2,.bvh-end h2{font-size:clamp(25px,3.4vw,34px);letter-spacing:-.02em;margin:0 0 10px}
.bvh-sub{color:var(--muted);margin:0 0 24px}
.bvh-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.bvh-card{border-radius:20px;padding:20px;background:var(--c,#f1f3f5)}
.bvh-card i{font-style:normal;font-size:34px;line-height:1}
.bvh-card h3{font-size:17px;margin:10px 0 6px}
.bvh-card p{font-size:14.5px;line-height:1.55;margin:0;color:var(--ink-2)}
.c1{--c:#fff0f6}.c2{--c:#fff4e6}.c3{--c:#e7f5ff}.c4{--c:#ebfbee}.c5{--c:#f3f0ff}.c6{--c:#e6fcf5}.c7{--c:#fff9db}.c8{--c:#f8f0fc}
.bvh-shots3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:32px}
.bvh-fun{background:linear-gradient(180deg,#f3f0ff,#fff)}
.bvh-split{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:center}
.bvh-split.rev{grid-template-columns:1.1fr 1fr}
.bvh-list{padding-left:0;list-style:none;margin:16px 0 0}
.bvh-list li{position:relative;padding-left:28px;margin:0 0 12px;color:var(--ink-2)}
.bvh-list li::before{content:"★";position:absolute;left:0;color:#fab005}
.bvh-steps{padding-left:22px}.bvh-steps li{margin:0 0 12px;color:var(--ink-2)}
.bvh-faq details{border:1px solid var(--line);border-radius:14px;padding:4px 18px;margin:0 0 10px;background:#fff}
.bvh-faq summary{cursor:pointer;font-weight:700;padding:12px 0;list-style:none}
.bvh-faq summary::after{content:"+";float:right;color:var(--muted);font-size:20px;line-height:1}
.bvh-faq details[open] summary::after{content:"–"}
.bvh-faq p{margin:0 0 14px;color:var(--ink-2)}
.bvh-end{padding:56px 0 72px;text-align:center;background:radial-gradient(600px 300px at 50% 0%,#fff4e6,transparent 70%)}
.bvh-end p{color:var(--ink-2)}
.bvh-who{margin-top:26px;font-size:14.5px;color:var(--muted)!important}
.bvh-cr h1{font-size:clamp(26px,4vw,36px);margin:8px 0 12px}
.bvh-cr h2{font-size:22px;margin:30px 0 8px}
.bvh-cr ul{padding-left:20px}.bvh-cr li{margin:0 0 6px;font-size:15px}
.bvh-crt{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
.bvh-crt table{border-collapse:collapse;width:100%;font-size:14px}
.bvh-crt th,.bvh-crt td{text-align:left;padding:7px 10px;border-bottom:1px solid var(--line)}
.bvh-crt th{background:var(--surface-2)}
@media (max-width:900px){
  .bvh-hero-in,.bvh-split,.bvh-split.rev{grid-template-columns:1fr;gap:28px}
  .bvh-split.rev>figure{order:2}
  .bvh-grid{grid-template-columns:1fr 1fr}
  .bvh-shots3{grid-template-columns:1fr}
  .bvh-nums .wrap{grid-template-columns:1fr 1fr;gap:14px}
  .bvh-shot-main{transform:none}
}
@media (max-width:480px){.bvh-grid{grid-template-columns:1fr}.bvh-ticks{grid-template-columns:1fr}.bvh-hero{padding-top:32px}}
/* Điểm nổi bật (2026-10-12) */
.bvh-hlgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.bvh-hlcard{display:flex;gap:14px;align-items:flex-start;border-radius:20px;padding:20px;background:#f1f3f5}
.bvh-hlcard i{font-style:normal;font-size:34px;line-height:1;flex:none}
.bvh-hlcard h3{font-size:17px;margin:0 0 6px}
.bvh-hlcard p{font-size:14.5px;line-height:1.55;margin:0;color:var(--ink-2)}
.bvh-hlcard.main{grid-column:1/-1;background:#e7f5ff;display:grid;grid-template-columns:auto 1fr minmax(0,1.1fr);align-items:center}
.bvh-hlcard.main h3{font-size:20px}
.bvh-hlcard.main .bvh-shot{margin:0}
@media (max-width:760px){.bvh-hlgrid{grid-template-columns:1fr}.bvh-hlcard.main{grid-template-columns:auto 1fr}.bvh-hlcard.main .bvh-shot{grid-column:1/-1}}
.bvh-cafe-in{display:grid;grid-template-columns:1fr 260px;gap:32px;align-items:center}
.bvh-cafe-in img{width:100%;height:auto;border-radius:20px;border:1px solid var(--line);background:#fff}
.bvh-cafe-in p{color:var(--ink-2)}
.bvh-cafe-acc{font-weight:700;font-size:15px}
@media (max-width:640px){.bvh-cafe-in{grid-template-columns:1fr}.bvh-cafe-in img{max-width:260px;justify-self:center}}
.bvh-share{margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}
.bvh-share p{margin:0 0 12px;font-size:15px}
.bvh-share-btns{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.bvh-share-btns .btn{background:#fff;border:1px solid var(--line);color:var(--ink)}
.bvh-share-btns [hidden]{display:none!important}