/* Hugo House – giao diện dùng chung cho toàn bộ website */
:root{
  color-scheme: light;
  --text:#3f4449;
  --heading:#1d4852;
  --blue:#275c69;
  --blue-deep:#1b4550;
  --gold:#f7d146;
  --teal:#2f7a74;
  --teal-deep:#275c69;
  --teal-soft:#f4fafa;
  --cream:#FFF8EB;
  --cream-line:#F3E6C8;
  --teal-line:#d9eeec;
  --footer:#1f4a55;
  --footer-text:#D5D5D5;
  --grey-bg:#F6F6F6;
  --bg:#FFFFFF;
  --card:#FFFFFF;
  --line:#e9ecef;
}
/* Website giữ tông sáng theo nhận diện của trường ở mọi chế độ hiển thị */
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){ --bg:#FFFFFF; --card:#FFFFFF; } }
:root[data-theme="dark"]{ --bg:#FFFFFF; --card:#FFFFFF; }

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
html,body{margin:0;padding:0;}
body{background:var(--bg);color:var(--text);font-family:Montserrat, sans-serif;font-size:15px;line-height:1.65;overflow-x:hidden;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;}
h1,h2,h3,h4,p{margin:0;}
section,[id]{scroll-margin-top:90px;}
.container{max-width:1170px;margin:0 auto;padding:0 15px;}

/* tiêu đề */
.head{position:relative;padding-bottom:22px;margin-bottom:8px;}
.head::after{content:"";position:absolute;left:0;bottom:0;width:80px;height:4px;border-radius:2px;background:var(--gold);}
.head.center{text-align:center;}
.head.center::after{left:50%;transform:translateX(-50%);}
.accent{font-family:'Dancing Script',cursive;font-weight:700;font-size:26px;line-height:1.2;color:var(--blue);display:block;margin-bottom:4px;}
.h2{font-family:'Baloo 2',Montserrat,sans-serif;font-size:34px;line-height:1.2;font-weight:800;color:var(--heading);text-wrap:balance;}
.lead{font-size:17px;line-height:1.7;}
.prose p{font-size:16px;line-height:1.75;margin-top:14px;}
.prose p:first-child{margin-top:0;}
.prose h3{font-size:21px;line-height:1.35;font-weight:700;color:var(--heading);margin-top:26px;}
.prose ul{margin:12px 0 0;padding:0;list-style:none;display:grid;gap:8px;}
.prose li{position:relative;padding-left:26px;font-size:16px;line-height:1.6;}
.prose li::before{content:"";position:absolute;left:4px;top:9px;width:9px;height:9px;border-radius:50%;background:var(--teal);}
.prose blockquote{margin:20px 0;padding:16px 20px;border-left:4px solid var(--gold);background:#fffbea;border-radius:0 10px 10px 0;font-style:italic;color:var(--heading);}
.sec{padding:70px 0;}
.sec.grey{background:var(--grey-bg);}
.sec.soft{background:var(--cream);}

/* nút */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:14px;line-height:1;padding:14px 22px;border-radius:999px;text-transform:uppercase;letter-spacing:.02em;transition:background .2s,border-color .2s,color .2s;border:0;cursor:pointer;font-family:inherit;}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 4px 12px rgba(33,150,243,.3);}
.btn-primary:hover{background:var(--blue-deep);}
.btn-ghost{background:#fff;color:var(--heading);border:1.5px solid #d6dce1;}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue);}
.btn svg{width:16px;height:16px;fill:currentColor;flex:none;}
.ctas{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- HEADER ---------- */
.topbar{height:40px;background:#26343f;color:#fff;font-size:13px;}
.home .topbar{background:rgba(0,0,0,.28);}
.topbar .container{height:40px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar .hl{display:flex;gap:22px;align-items:center;}
.topbar .hl a{display:flex;align-items:center;gap:6px;white-space:nowrap;}
.topbar .hl a b{font-weight:700;}
.topbar svg{width:13px;height:13px;fill:#fff;flex:none;}
.site-header{position:sticky;top:0;z-index:40;background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.06);}
.home .site-header{position:absolute;left:0;right:0;background:none;box-shadow:none;}
.header-main{height:80px;}
.header-main .container{height:80px;display:flex;align-items:center;gap:18px;}
.logo{flex:none;}
.logo img{width:84px;height:70px;}
nav.menu{display:flex;align-items:center;margin-left:auto;}
nav.menu > a,nav.menu .dd > a{display:flex;align-items:center;gap:4px;font-size:14px;font-weight:700;text-transform:uppercase;color:#4a5560;padding:30px 10px;white-space:nowrap;transition:color .2s;}
nav.menu a:hover,nav.menu a.on{color:var(--blue);}
.home .site-header nav.menu > a,.home .site-header nav.menu .dd > a{color:#fff;}
.home .site-header nav.menu > a:hover,.home .site-header nav.menu .dd > a:hover{color:var(--gold);}
nav.menu .dd{position:relative;}
nav.menu .dd > a svg{width:8px;height:8px;fill:currentColor;}
nav.menu .dd .sub{display:none;position:absolute;top:100%;left:0;min-width:250px;background:#fff;border-radius:10px;box-shadow:0 12px 30px rgba(0,0,0,.14);padding:6px;z-index:5;}
nav.menu .dd:hover .sub,nav.menu .dd:focus-within .sub{display:block;}
nav.menu .dd .sub a{display:block;padding:10px 12px;border-radius:8px;font-size:14px;font-weight:600;color:var(--heading);text-transform:none;}
nav.menu .dd .sub a span{display:block;font-size:12px;font-weight:500;color:#6b7278;}
nav.menu .dd .sub a:hover{background:var(--teal-soft);color:var(--teal-deep);}
.head-cta{flex:none;padding:11px 16px;font-size:13px;}
.btn-primary.head-cta{background:var(--gold);color:var(--heading);box-shadow:0 4px 14px rgba(217,168,0,.35);}
.btn-primary.head-cta:hover{background:#f2c418;color:var(--heading);}
.menu-toggle{display:none;background:none;border:0;margin-left:auto;cursor:pointer;padding:8px;}
.menu-toggle svg{width:26px;height:26px;fill:#444;}
.home .site-header .menu-toggle svg{fill:#fff;}
.sticky{position:fixed;top:0;left:0;right:0;z-index:60;background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.1);transform:translateY(-110%);transition:transform .3s;}
.sticky.show{transform:none;}

/* ---------- ĐẦU TRANG CON ---------- */
.page-hero{background:var(--cream);border-bottom:1px solid var(--cream-line);}
.page-hero .container{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;padding-top:44px;padding-bottom:44px;}
.crumb{font-size:13px;color:#6b7278;margin-bottom:10px;}
.crumb a{color:var(--teal-deep);font-weight:600;}
.page-hero h1{font-size:38px;line-height:1.2;font-weight:800;color:var(--heading);text-wrap:balance;}
.page-hero .lead{margin-top:14px;}
.page-hero .ctas{margin-top:22px;}
.page-hero .ph{border-radius:18px;overflow:hidden;box-shadow:0 14px 40px rgba(20,40,60,.16);aspect-ratio:4/3;}
.page-hero .ph img{width:100%;height:100%;object-fit:cover;}
.subnav{position:sticky;top:80px;z-index:30;background:#fff;border-bottom:1px solid var(--line);}
.subnav .container{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding-top:10px;padding-bottom:10px;}
.subnav a{flex:none;font-size:14px;font-weight:600;color:var(--heading);padding:8px 14px;border-radius:999px;background:#f3f5f7;white-space:nowrap;}
.subnav a:hover{background:var(--teal);color:#fff;}

/* ---------- BỐ CỤC CHUNG ---------- */
.two{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.two.top{align-items:start;}
.two .ph{border-radius:16px;overflow:hidden;box-shadow:0 8px 28px rgba(20,40,60,.1);}
.two .ph img{width:100%;height:100%;object-fit:cover;}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px;}
.cards.four{grid-template-columns:repeat(4,1fr);}
.cards.two-col{grid-template-columns:repeat(2,1fr);}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:0 4px 18px rgba(20,40,60,.05);}
.card .ic{width:46px;height:46px;border-radius:12px;background:var(--teal-soft);display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.card .ic svg{width:24px;height:24px;fill:var(--teal);}
.card h3{font-size:18px;line-height:1.35;font-weight:700;color:var(--heading);margin-bottom:8px;}
.card p{font-size:15px;line-height:1.65;}
.card.img{padding:0;overflow:hidden;}
.card.img img{width:100%;aspect-ratio:3/2;object-fit:cover;}
.card.img .cb{padding:20px 22px 24px;}
.photos{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:210px;gap:12px;margin-top:36px;}
.photos figure{margin:0;position:relative;border-radius:12px;overflow:hidden;}
.photos figure.w2{grid-column:span 2;}
.photos figure.h2{grid-row:span 2;}
.photos img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.photos figure:hover img{transform:scale(1.04);}
.photos.three{grid-template-columns:repeat(3,1fr);grid-auto-rows:260px;}
.photos figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 12px 10px;background:linear-gradient(transparent,rgba(0,0,0,.7));color:#fff;font-size:13px;font-weight:600;}
.facts{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-top:18px;}
.fact{background:var(--teal-soft);border:1px solid var(--teal-line);border-radius:10px;padding:12px 10px;text-align:center;}
.fact .num{font-size:20px;line-height:1.15;font-weight:800;color:var(--teal);}
.fact .lbl{font-size:13px;line-height:1.4;color:var(--heading);margin-top:6px;}
.facts.four{grid-template-columns:repeat(4,1fr);}
.facts.four .fact{padding:18px 12px;}
.facts.four .num{font-size:24px;}
table.menu-table{width:100%;border-collapse:separate;border-spacing:0;margin-top:30px;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;font-size:14px;}
.menu-table th{background:var(--teal);color:#fff;font-weight:700;padding:12px;text-align:left;}
.menu-table td{padding:12px;border-top:1px solid var(--line);vertical-align:top;line-height:1.55;}
.menu-table td:first-child{font-weight:700;color:var(--heading);background:var(--teal-soft);white-space:nowrap;}
.table-wrap{overflow-x:auto;}
details.letter{margin-top:22px;border:1px solid var(--line);border-radius:14px;background:#fff;}
details.letter summary{cursor:pointer;padding:18px 22px;font-weight:700;color:var(--heading);font-size:17px;list-style:none;display:flex;justify-content:space-between;align-items:center;}
details.letter summary::after{content:"+";font-size:22px;color:var(--teal);}
details.letter[open] summary::after{content:"–";}
details.letter .prose{padding:0 22px 22px;}

/* ---------- ẢNH ĐẦU TRANG CHỦ ---------- */
.hero{position:relative;width:100%;aspect-ratio:1440/640;overflow:hidden;background:#dfe7ea;}
.hero > img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;}
.hero > img.on{opacity:1;z-index:1;animation:kb 5.5s ease-out forwards;}
.hero > img.on:nth-of-type(even){animation-name:kb2;}
.hero .fx{position:absolute;inset:0;z-index:2;pointer-events:none;overflow:hidden;}
@keyframes kb{from{transform:scale(1) translate(0,0)}to{transform:scale(1.07) translate(-1%,-.6%)}}
@keyframes kb2{from{transform:scale(1) translate(0,0)}to{transform:scale(1.07) translate(1%,.6%)}}
.hero .hnav{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:48px;height:48px;border-radius:50%;border:0;background:rgba(255,255,255,.28);color:#fff;font-size:34px;line-height:44px;cursor:pointer;backdrop-filter:blur(4px);opacity:0;transition:opacity .3s,background .3s;}
.hero:hover .hnav{opacity:1;}
.hero .hnav:hover{background:rgba(255,255,255,.5);}
.hero .hnav.prev{left:22px;}.hero .hnav.next{right:22px;}
.hero::after{z-index:2;content:"";position:absolute;left:0;right:0;top:0;height:160px;background:linear-gradient(rgba(0,0,0,.35),transparent);pointer-events:none;}
.hero .dots{position:absolute;left:50%;bottom:60px;transform:translateX(-50%);display:flex;gap:8px;z-index:3;}
.hero .dots button{width:34px;height:4px;border-radius:3px;border:0;padding:0;background:rgba(255,255,255,.45);cursor:pointer;overflow:hidden;position:relative;}
.hero .dots button i{position:absolute;left:0;top:0;bottom:0;width:0;background:#fff;}
.hero .dots button.on i{animation:bar 5s linear forwards;}
.hero.paused .dots button.on i{animation-play-state:paused;}
@keyframes bar{to{width:100%}}
/* Dải ảnh chạy */
.moments{padding:56px 0 64px;overflow:hidden;}
.marquee{margin-top:30px;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);}
.marquee .track{display:flex;gap:16px;width:max-content;animation:marq 70s linear infinite;}
.marquee:hover .track{animation-play-state:paused;}
.marquee img{height:220px;width:auto;aspect-ratio:3/2;object-fit:cover;border-radius:16px;box-shadow:0 8px 22px rgba(20,40,60,.12);transition:transform .35s;}
.marquee img:hover{transform:scale(1.04) rotate(-.6deg);}
@keyframes marq{to{transform:translateX(-50%)}}
.card,.cc,.post,.quote{transition:transform .3s ease,box-shadow .3s ease;}
.card:hover,.cc:hover,.post:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(20,40,60,.14);}
/* Hiện dần khi cuộn */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s ease,box-shadow .3s ease;}
.rv.in{opacity:1;transform:none;}
.rv.in:is(.card,.cc,.post):hover{transform:translateY(-4px);}
@media (prefers-reduced-motion:reduce){.hero img.on{animation:none}.marquee .track{animation:none}.rv{opacity:1;transform:none;transition:none}.hero .dots button.on i{animation:none;width:100%}}
.welcome{position:relative;z-index:5;margin-top:-30px;}
.welcome .container{max-width:1060px;}
.welcome-card{background:var(--card);border-radius:14px;box-shadow:0 12px 40px rgba(20,40,60,.14);padding:22px 30px;display:grid;grid-template-columns:1.4fr 1fr;gap:26px;align-items:center;}
.welcome .accent{font-size:21px;margin-bottom:0;}
.welcome h1{font-size:27px;line-height:1.2;font-weight:800;color:var(--heading);margin:2px 0 10px;text-wrap:balance;}
.welcome .sub{font-size:14.5px;line-height:1.6;}
.welcome .sub b{color:var(--heading);}
.welcome .ctas{justify-content:flex-end;}

/* ---------- LƯỚI ẢNH TRANG CHỦ ---------- */
.gallery{position:relative;width:100%;aspect-ratio:1110/947;margin-top:36px;}
.gallery .g{position:absolute;overflow:hidden;border-radius:10px;}
.gallery .g img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.gallery .g:hover img{transform:scale(1.04);}
.gallery .cap{position:absolute;left:0;right:0;bottom:0;padding:34px 16px 14px;background:linear-gradient(transparent,rgba(0,0,0,.72));color:#fff;font-size:14px;line-height:1.35;}
.gallery .cap b{display:block;font-size:17px;font-weight:800;text-transform:uppercase;letter-spacing:.01em;}
.tree img{width:100%;max-width:500px;margin:0 auto;}
.checks{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:10px;}
.checks li{font-size:16px;line-height:1.5;color:var(--heading);padding:12px 14px 12px 44px;position:relative;background:#f7fbfd;border-radius:10px;}
.checks li svg{position:absolute;left:14px;top:14px;width:18px;height:18px;fill:var(--blue);}
.pills{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px;}
.pills span{font-size:13px;font-weight:600;color:var(--teal-deep);background:#e6f5f4;border-radius:999px;padding:6px 12px;}

/* ---------- THẺ 3 TRƯỜNG ---------- */
.campus{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px;}
.cc{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 4px 18px rgba(20,40,60,.06);}
.cc .cimg{aspect-ratio:16/9;overflow:hidden;}
.cc .cimg img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.cc:hover .cimg img{transform:scale(1.04);}
.cc .top{background:var(--teal);color:#fff;padding:16px 22px;}
.cc .top .city{font-size:12px;letter-spacing:.08em;text-transform:uppercase;opacity:.85;}
.cc .top h3{font-size:19px;line-height:1.3;font-weight:700;margin-top:2px;}
.cc .body{padding:18px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.line{display:flex;gap:10px;font-size:14px;line-height:1.5;}
.line svg{width:16px;height:16px;fill:var(--teal);flex:none;margin-top:3px;}
.line a{color:var(--heading);font-weight:600;}
.cc .acts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:auto;padding-top:10px;}
.cc .acts a,.cc .acts button{display:flex;flex-direction:column;align-items:center;gap:4px;font:700 12px Montserrat,sans-serif;color:var(--heading);border:1px solid var(--line);border-radius:10px;padding:10px 4px;background:#fff;cursor:pointer;transition:border-color .2s,color .2s;}
.cc .acts a:hover{border-color:var(--blue);color:var(--blue);}
.cc .acts svg{width:20px;height:20px;fill:currentColor;}
.cc .more{display:block;text-align:center;margin-top:10px;font-weight:700;font-size:14px;color:var(--blue);}

/* ---------- ĐẶT LỊCH ---------- */
.visit{background:var(--teal);position:relative;overflow:hidden;padding:60px 0;}
.visit .inner{position:relative;display:grid;grid-template-columns:1fr 420px;gap:40px;align-items:center;}
.visit .well{background:#fff;border-radius:18px;box-shadow:0 10px 30px rgba(0,0,0,.18);padding:36px 40px;position:relative;z-index:2;}
.visit .well h2{font-size:28px;line-height:1.25;font-weight:800;color:var(--heading);}
.visit .well h2 span{color:var(--blue);}
.visit .well p{margin-top:12px;font-size:15px;}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0 22px;}
.steps div{background:var(--teal-soft);border-radius:10px;padding:12px;font-size:13px;line-height:1.4;color:var(--heading);}
.steps b{display:block;color:var(--teal);font-size:18px;font-weight:800;}
.visit .photo{border-radius:18px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.18);position:relative;z-index:2;}
.visit .photo img{width:100%;aspect-ratio:1;object-fit:cover;}
.cloud{position:absolute;background:#fff;border-radius:200px;box-shadow:inset 9px -7px 0 0 #f7e7eb;animation:drift linear infinite;opacity:.9;}
.cloud::before,.cloud::after{content:"";position:absolute;background:#fff;border-radius:50%;}
.cloud::before{width:44%;height:180%;left:12%;top:-100%;}
.cloud::after{width:30%;height:120%;right:14%;top:-60%;}
@keyframes drift{from{transform:translateX(-300px);}to{transform:translateX(1800px);}}
@media (prefers-reduced-motion: reduce){.cloud{animation:none;}}
.sun{position:absolute;left:-10px;top:-70px;width:110px;height:110px;z-index:3;}

/* ---------- CẢM NHẬN ---------- */
.testi{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:40px;}
.quote{margin:0;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:26px 28px 22px;box-shadow:0 4px 18px rgba(20,40,60,.06);display:flex;flex-direction:column;}
.quote .stars{color:var(--gold);letter-spacing:2px;font-size:16px;}
.quote blockquote{margin:10px 0 18px;font-size:16px;line-height:1.6;color:var(--heading);}
.quote .who{display:flex;align-items:center;gap:12px;margin-top:auto;}
.quote .av{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:15px;flex:none;}
.quote .name{font-weight:700;color:var(--heading);font-size:15px;line-height:1.3;}
.quote .src{font-size:13px;color:#6b7278;}
.note-center{text-align:center;margin-top:22px;font-size:14px;}
.note-center a{color:var(--blue);font-weight:600;}

/* ---------- TIN TỨC ---------- */
.news-top{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;}
.news-top > a{color:var(--blue);font-weight:700;font-size:14px;white-space:nowrap;margin-bottom:26px;}
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:34px;}
.post{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.07);display:flex;flex-direction:column;}
.post img{width:100%;aspect-ratio:3/2;object-fit:cover;}
.post .pc{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1;}
.post .cat{font-size:12px;font-weight:700;color:var(--blue);text-transform:uppercase;letter-spacing:.03em;}
.post .pt{display:block;font-size:17px;line-height:1.35;font-weight:700;color:var(--heading);margin:6px 0 4px;}
.post .pt:hover{color:var(--blue);}
.post .meta{font-size:12px;color:#9aa1a7;}
.post .pb{margin-top:10px;font-size:14px;line-height:1.6;}
.post .rm{margin-top:auto;padding-top:12px;font-size:13px;font-weight:700;color:var(--blue);}

/* ---------- FORM ---------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px;box-shadow:0 8px 28px rgba(20,40,60,.08);}
.form-card h2{font-size:24px;font-weight:800;color:var(--heading);}
.form-card .hint{font-size:14px;margin-top:6px;}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px;}
.fgrid .full{grid-column:1/-1;}
.field label{display:block;font-size:13px;font-weight:700;color:var(--heading);margin-bottom:6px;}
.field label em{color:#e0443e;font-style:normal;}
.field input,.field select,.field textarea{width:100%;font:15px Montserrat,sans-serif;color:var(--heading);border:1.5px solid #d6dce1;border-radius:8px;padding:11px 12px;background:#fff;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(33,150,243,.15);}
.field textarea{min-height:90px;resize:vertical;}
.chips{display:flex;flex-wrap:wrap;gap:8px;}
.chips label{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;border:1.5px solid #d6dce1;border-radius:999px;padding:7px 12px;margin:0;cursor:pointer;color:var(--heading);}
.chips input{width:auto;margin:0;}
.form-card .btn{margin-top:20px;width:100%;}
.form-ok{display:none;margin-top:16px;background:#e8f7ef;color:#11884a;border-radius:10px;padding:14px 16px;font-weight:600;font-size:14px;}
.form-ok.show{display:block;}
.form-err{display:none;margin-top:16px;background:#fdecec;color:#b42318;border-radius:10px;padding:14px 16px;font-weight:600;font-size:14px;}
.form-err.show{display:block;}
.linklike{background:none;border:0;padding:0;font:inherit;color:inherit;text-decoration:underline;cursor:pointer;}
.form-card .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;}
.form-card{position:relative;}
button[type=submit][disabled]{opacity:.6;cursor:wait;}
.privacy{font-size:12px;color:#6b7278;margin-top:10px;text-align:center;}

.toys{height:150px;background:url(../img/footer-bg.png) no-repeat center bottom / 1895px auto;}

/* ---------- FOOTER ---------- */
footer{background:var(--footer);color:var(--footer-text);}
.foot{display:grid;grid-template-columns:1.1fr 1.3fr .8fr 1.1fr;gap:34px;padding:64px 15px 48px;}
.foot .logo-w{width:130px;height:auto;}
.foot .desc{font-size:14px;line-height:1.6;margin-top:18px;}
.foot h4{font-size:17px;font-weight:700;color:#fff;text-transform:uppercase;letter-spacing:.04em;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:16px;}
.foot .cp{margin-bottom:14px;font-size:14px;line-height:1.55;}
.foot .cp b{color:#fff;display:block;}
.foot .cp b a:hover{color:var(--gold);}
.foot .cp a{color:#fff;font-weight:600;}
.foot .links a{display:block;font-size:14px;margin-bottom:10px;}
.foot .links a:hover,.foot .media a:hover{color:#fff;}
.foot .media .tag{font-size:11px;font-weight:700;color:#6cb8f6;text-transform:uppercase;}
.foot .media a{display:block;font-size:14px;line-height:1.45;color:#fff;margin:2px 0 4px;}
.foot .media .meta{font-size:12px;color:#9fb0be;margin-bottom:16px;}
.foot .soc{display:flex;gap:10px;margin-top:18px;}
.foot .soc a,.foot .soc button{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;border:0;cursor:pointer;}
.foot .soc svg{width:16px;height:16px;fill:#fff;}
.copyright{border-top:1px solid rgba(255,255,255,.1);}
.copyright .container{display:flex;justify-content:space-between;gap:12px;padding:22px 15px;font-size:13px;}

/* ---------- CHỌN TRƯỜNG (Gọi / Zalo) ---------- */
.dock{display:none;}
.dock-panel{display:none;}
.dock-panel.open{display:block;position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);width:380px;max-width:calc(100% - 20px);z-index:81;background:#fff;border-radius:14px;box-shadow:0 20px 60px rgba(0,0,0,.28);padding:8px;}
.dock-panel .ttl{font-size:13px;color:#6b7278;padding:8px 10px 4px;}
.dock-panel a{display:flex;justify-content:space-between;align-items:center;padding:13px 10px;border-top:1px solid #f0f0f0;font-weight:700;color:var(--heading);font-size:15px;}
.dock-panel a:hover{color:var(--blue);}
.dock-panel a span{font-weight:500;color:#6b7278;font-size:13px;}
.chooser-bg{display:none;position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:79;}
.chooser-bg.open{display:block;}

/* ---------- MÀN HÌNH VỪA ---------- */
@media (max-width:1180px){
  nav.menu > a,nav.menu .dd > a{padding:30px 7px;font-size:13px;}
  .facts{grid-template-columns:repeat(3,1fr);}
  .foot{grid-template-columns:1fr 1fr;}
  .cards.four{grid-template-columns:repeat(2,1fr);}
}
/* ---------- ĐIỆN THOẠI / MÁY TÍNH BẢNG ---------- */
@media (max-width:900px){
  body{padding-bottom:64px;}
  .topbar{display:none;}
  .header-main,.header-main .container{height:64px;}
  .logo img{width:58px;height:48px;}
  nav.menu,.head-cta{display:none;}
  .menu-toggle{display:block;}
  body.menu-open .site-header nav.menu{display:flex;position:fixed;top:64px;left:0;right:0;bottom:0;overflow-y:auto;flex-direction:column;align-items:stretch;background:#fff;box-shadow:0 8px 16px rgba(0,0,0,.12);padding:4px 0 80px;margin:0;z-index:70;}
  body.menu-open .site-header nav.menu > a,body.menu-open .site-header nav.menu .dd > a{color:#444;padding:14px 20px;border-bottom:1px solid #eee;}
  body.menu-open nav.menu .dd .sub{display:none;position:static;box-shadow:none;padding:0 0 6px 14px;border-bottom:1px solid #eee;min-width:0;}
  body.menu-open nav.menu .dd.open .sub{display:block;}
  body.menu-open nav.menu .dd:hover .sub,body.menu-open nav.menu .dd:focus-within .sub{display:none;}
  body.menu-open nav.menu .dd.open:hover .sub,body.menu-open nav.menu .dd.open:focus-within .sub{display:block;}
  body.menu-open nav.menu .dd > a{justify-content:space-between;}
  body.menu-open nav.menu .dd > a svg{display:block;width:12px;height:12px;transition:transform .25s;}
  body.menu-open nav.menu .dd.open > a svg{transform:rotate(180deg);}
  .subnav{top:64px;}
  .sec{padding:48px 0;}
  .h2{font-size:25px;}
  .accent{font-size:22px;}
  .page-hero .container{grid-template-columns:1fr;gap:24px;padding-top:28px;padding-bottom:30px;}
  .page-hero h1{font-size:28px;}
  .two{grid-template-columns:1fr;gap:26px;}
  .two .ph{order:-1;}
  .cards,.cards.four,.cards.two-col,.campus,.testi,.news{grid-template-columns:1fr;}
  .photos{grid-template-columns:1fr 1fr;grid-auto-rows:150px;gap:8px;}
  .photos figure.w2{grid-column:span 2;}
  .photos.three{grid-template-columns:1fr;grid-auto-rows:220px;}
  .facts{grid-template-columns:1fr 1fr;gap:10px;}
  .facts.four{grid-template-columns:1fr 1fr;}
  .fact .num{font-size:18px;}
  .hero{aspect-ratio:auto;height:max(260px,56vw);}
  .hero .dots{bottom:52px;}
  .hero .hnav{display:none;}
  .marquee img{height:150px;}
  .moments{padding:40px 0 44px;}
  .welcome{margin-top:-34px;}
  .welcome-card{grid-template-columns:1fr;padding:16px 18px;gap:0;}
  .welcome .accent{font-size:18px;}
  .welcome h1{font-size:22px;margin:0 0 4px;}
  .welcome .sub{font-size:14px;}
  .welcome .ctas{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px;}
  .welcome .ctas .btn{padding:11px 8px;font-size:12.5px;justify-content:center;white-space:nowrap;min-width:0;}
  .welcome .ctas .btn svg{width:16px;height:16px;}
  .welcome .ctas .lg{display:none;}
  .welcome .facts{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:10px;margin:14px 0 0;padding:0 0 6px;scrollbar-width:none;}
  .welcome .facts::-webkit-scrollbar{display:none;}
  .welcome .fact{flex:0 0 40%;scroll-snap-align:start;padding:12px 8px;}
  .tree img{max-width:260px;}
  .gallery{aspect-ratio:auto;display:grid;grid-template-columns:1fr 1fr;gap:8px;}
  .gallery .g{position:relative;aspect-ratio:1;width:auto!important;height:auto!important;left:auto!important;top:auto!important;}
  .gallery .cap{padding:24px 10px 10px;font-size:12px;}
  .gallery .cap b{font-size:13px;}
  .visit{padding:40px 0;}
  .visit .inner{grid-template-columns:1fr;}
  .visit .well{padding:26px 20px;}
  .steps{grid-template-columns:1fr;}
  .visit .photo,.sun,.cloud{display:none;}
  .news-top{flex-direction:column;align-items:flex-start;gap:0;}
  .news-top > a{margin-bottom:0;}
  .fgrid{grid-template-columns:1fr;}
  .form-card{padding:22px 18px;}
  .toys{height:90px;background-size:1100px auto;}
  .foot{grid-template-columns:1fr;padding:44px 15px 30px;}
  .copyright .container{flex-direction:column;}
  .dock{display:grid;grid-template-columns:1fr 1fr 1.3fr;position:fixed;left:0;right:0;bottom:0;z-index:80;background:#fff;box-shadow:0 -4px 16px rgba(0,0,0,.12);height:64px;padding:8px 10px;gap:8px;}
  .dock button,.dock a{display:flex;align-items:center;justify-content:center;gap:6px;border-radius:10px;font:700 14px Montserrat,sans-serif;border:0;cursor:pointer;white-space:nowrap;text-align:center;}
  .dock .call{background:#e8f7ef;color:#11884a;}
  .dock .zalo{background:#e7f1ff;color:#0068ff;}
  .dock .book{background:var(--blue);color:#fff;}
  .dock svg{width:18px;height:18px;fill:currentColor;}
  .dock-panel.open{left:10px;right:10px;top:auto;bottom:74px;transform:none;width:auto;max-width:none;}
  table.menu-table{font-size:13px;min-width:720px;}
}

/* ---------- NÚT LIÊN HỆ NỔI (máy tính) ---------- */
.fab{position:fixed;right:24px;bottom:24px;z-index:75;display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.fab-btn{display:flex;align-items:center;gap:8px;height:52px;padding:0 20px 0 16px;border-radius:999px;border:0;cursor:pointer;background:var(--teal);color:#fff;font:700 14px Montserrat,sans-serif;box-shadow:0 8px 24px rgba(0,111,105,.35);transition:background .2s;}
.fab-btn:hover{background:var(--teal-deep);}
.fab-btn svg{width:22px;height:22px;fill:#fff;display:block;}
.fab-btn em{font-style:normal;}
.fab-btn .i-close{display:none;}
.fab.open .fab-btn .i-open{display:none;}
.fab.open .fab-btn .i-close{display:block;}
.fab-menu{background:#fff;border-radius:14px;box-shadow:0 14px 40px rgba(0,0,0,.2);padding:6px;min-width:230px;}
.fab-menu[hidden]{display:none;}
.fab-menu a,.fab-menu button{display:flex;align-items:center;gap:12px;width:100%;padding:12px 12px;border:0;background:none;border-radius:10px;cursor:pointer;font:600 14px Montserrat,sans-serif;color:var(--heading);text-align:left;}
.fab-menu a:hover,.fab-menu button:hover{background:var(--teal-soft);}
.fab-menu svg{width:22px;height:22px;flex:none;}
.fab-menu [data-kind="zalo"] svg{fill:#0068ff;}
.fab-menu a svg{fill:#0084ff;}
.fab-menu [data-kind="call"] svg{fill:#11884a;}
@media (max-width:900px){ .fab{display:none;} }

/* ---------- CHỖ CẦN BỔ SUNG (bản xem trước) ---------- */
.todo{background:#fff3c4;border:1px dashed #d9a800;color:#7a5a00;border-radius:4px;padding:0 5px;font-weight:600;font-style:normal;}

/* ---------- LỊCH MỘT NGÀY ---------- */
.days{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:36px;}
.day{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 24px 14px;box-shadow:0 4px 18px rgba(20,40,60,.05);}
.day h3{font-size:19px;font-weight:800;color:var(--heading);}
.day .sub{font-size:13px;color:#6b7278;margin:2px 0 14px;}
.tl{list-style:none;margin:0;padding:0;}
.tl li{display:grid;grid-template-columns:112px 1fr;gap:12px;padding:10px 0;border-top:1px solid #f0f2f4;font-size:14.5px;line-height:1.5;}
.tl li:first-child{border-top:0;}
.tl time{font-weight:800;color:var(--teal);white-space:nowrap;}
.tl b{color:var(--heading);}
.tl li.en time{color:var(--blue);}

/* ---------- CÂU HỎI THƯỜNG GẶP ---------- */
.faq{margin-top:30px;display:grid;gap:12px;}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;}
.faq summary{cursor:pointer;list-style:none;padding:16px 20px;font-weight:700;color:var(--heading);font-size:16px;display:flex;justify-content:space-between;gap:16px;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";color:var(--teal);font-size:22px;line-height:1;}
.faq details[open] summary::after{content:"–";}
.faq .a{padding:0 20px 18px;font-size:15px;line-height:1.7;}

/* ---------- CON SỐ ---------- */
.numbers{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:34px;}
.numbers div{text-align:center;padding:22px 12px;border-radius:14px;background:#fff;border:1px solid var(--teal-line);}
.numbers b{display:block;font-size:34px;line-height:1.1;font-weight:800;color:var(--teal);}
.numbers span{display:block;margin-top:6px;font-size:14px;color:var(--heading);}

/* ---------- SỰ KIỆN / ƯU ĐÃI ---------- */
.promo{display:grid;grid-template-columns:auto 1fr auto;gap:22px;align-items:center;background:linear-gradient(120deg,#fff8dc,#fff);border:1.5px solid #f2d27a;border-radius:16px;padding:22px 26px;}
.promo .tag{background:var(--gold);color:#3a2c00;font-weight:800;font-size:12px;text-transform:uppercase;letter-spacing:.05em;border-radius:999px;padding:6px 12px;white-space:nowrap;}
.promo h3{font-size:19px;font-weight:800;color:var(--heading);}
.promo p{font-size:14.5px;margin-top:4px;}

/* ---------- CHỮ KÝ HIỆU TRƯỞNG ---------- */
.sign{display:flex;align-items:center;gap:16px;margin-top:26px;padding-top:20px;border-top:1px solid var(--line);}
.sign .av{width:72px;height:72px;border-radius:50%;background:var(--teal-soft);border:2px dashed #d9a800;display:flex;align-items:center;justify-content:center;font-size:11px;color:#7a5a00;text-align:center;flex:none;}
.sign .n{font-weight:800;color:var(--heading);}
.sign .r{font-size:14px;color:#6b7278;}

/* ---------- BÀI VIẾT ---------- */
.article{max-width:820px;margin:0 auto;}
.article .meta{font-size:13px;color:#6b7278;margin-top:10px;}
.toc{background:var(--teal-soft);border:1px solid var(--teal-line);border-radius:14px;padding:18px 22px;margin:26px 0;}
.toc b{color:var(--heading);}
.toc ol{margin:10px 0 0;padding-left:20px;display:grid;gap:6px;}
.toc a{color:var(--teal-deep);font-weight:600;}
.article h2{font-size:26px;line-height:1.3;font-weight:800;color:var(--heading);margin-top:40px;scroll-margin-top:90px;}
.article figure{margin:22px 0;}
.article figure img{border-radius:14px;width:100%;}
.article figcaption{font-size:13px;color:#6b7278;margin-top:8px;text-align:center;}
.article .ctabox{background:var(--teal);color:#fff;border-radius:16px;padding:26px;margin-top:36px;}
.article .ctabox h3{color:#fff;font-size:21px;font-weight:800;}
.article .ctabox p{color:#e6f5f4;margin-top:8px;}
.article .ctabox .ctas{margin-top:16px;}
.guides{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:30px;}

@media (max-width:900px){
  .days,.guides{grid-template-columns:1fr;}
  .tl li{grid-template-columns:96px 1fr;}
  .numbers{grid-template-columns:1fr 1fr;}
  .numbers b{font-size:26px;}
  .promo{grid-template-columns:1fr;gap:12px;padding:20px;}
  .article h2{font-size:22px;}
}
.prose .tl li{padding-left:0;}
.prose .tl li::before{display:none;}
.prose .tl{margin:0;display:block;}
.numbers .todo{font-size:14px;line-height:1.4;display:inline-block;}
.principal{display:grid;grid-template-columns:140px 1fr;gap:28px;align-items:center;margin-top:26px;background:var(--cream);border:1px solid var(--cream-line);border-radius:18px;padding:28px;}
.principal .pav{width:140px;height:140px;border-radius:50%;background:#fff;border:2px dashed #d9a800;display:flex;align-items:center;justify-content:center;text-align:center;font-size:13px;color:#7a5a00;}
.principal blockquote{margin:0;font-size:17px;line-height:1.7;color:var(--heading);font-style:italic;}
.principal .n{margin-top:14px;font-weight:800;color:var(--heading);}
.principal .r{font-size:14px;color:#6b7278;}
.principal .draft{margin-top:10px;font-size:13px;}
@media (max-width:900px){.principal{grid-template-columns:1fr;justify-items:start;padding:22px;}.principal .pav{width:96px;height:96px;font-size:11px;}}

/* Nhận diện thương hiệu: tiêu đề chữ tròn, xanh đậm và vàng như logo */
h1,.welcome h1,.page-hero h1,.article h1{font-family:'Baloo 2',Montserrat,sans-serif;font-weight:800;letter-spacing:-.01em;}
.accent{color:var(--teal);}
.head .h2::after,.head.center .h2::after{background:var(--gold);}
.numbers b,.fact .num{font-family:'Baloo 2',Montserrat,sans-serif;}
.visit .well h2 span{color:var(--gold);}
/* Dải xanh thương hiệu (giống trang cơ sở cũ): nền xanh đậm, tiêu đề vàng */
.brand-band{background:var(--blue);color:#e6eef0;}
.brand-band .h2{color:var(--gold);}
.brand-band .accent{color:#cfe6e4;}
.brand-band .numbers>div{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.16);}
.brand-band .numbers b{color:var(--gold);}
.brand-band .numbers span{color:#e6eef0;}
/* Viết hoa chữ cái đầu của các dòng mô tả dưới con số */
.numbers span::first-letter,.fact .lbl::first-letter{text-transform:uppercase;}

/* ---------- Ngôn ngữ, mạng xã hội, đánh giá Google ---------- */
.topbar .tb-r{display:flex;align-items:center;gap:16px;white-space:nowrap;}
.topbar .lang-sw{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border:1px solid rgba(255,255,255,.35);border-radius:99px;font-weight:600;}
.topbar .lang-sw:hover{background:rgba(255,255,255,.12);}
nav.menu > a.m-only{display:none;}
@media (max-width:900px){ body.menu-open .site-header nav.menu > a.m-only{display:flex;} }
.follow{display:grid;gap:10px;margin-top:16px;width:100%;max-width:300px;}
.follow .fr{display:flex;align-items:center;gap:8px;}
.follow .fr b{flex:1;text-align:left;color:var(--heading);font-size:15px;}
.follow .fr a{width:38px;height:38px;border-radius:50%;background:var(--teal-soft);display:flex;align-items:center;justify-content:center;transition:background .2s;}
.follow .fr a:hover{background:var(--gold);}
.follow .fr svg{width:17px;height:17px;fill:var(--teal-deep);}
.reviews{display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:28px;text-align:center;}
.reviews > span{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--heading);font-size:15px;}
.reviews > span svg{width:18px;height:18px;fill:var(--teal);}
.reviews > div{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;}
.reviews .btn{padding:10px 18px;font-size:14px;}
.btn svg{flex:none;}
/* Trang tiếng Anh */
.en-nav a{font-size:14px;}
.site-header .lang-inline{display:inline-flex;align-items:center;gap:5px;font-weight:700;font-size:13px;color:var(--teal-deep);border:1px solid var(--line);border-radius:99px;padding:6px 12px;margin-left:12px;white-space:nowrap;}
.site-header .lang-inline svg{width:14px;height:14px;fill:currentColor;}
.en-campus .body .line a{color:var(--blue);font-weight:600;}
@media (max-width:900px){ .site-header .lang-inline{margin-left:auto;margin-right:6px;} .site-header .lang-inline ~ .menu-toggle{margin-left:0;} }
.en-hero img{display:block;width:100%;height:clamp(240px,46vw,600px);object-fit:cover;}
/* Trang chủ trên máy tính: ảnh đầu trang tràn màn hình, khung chào hiện khi cuộn xuống */
.hero .scroll-hint{display:none;}
@media (min-width:901px){
  .home .hero{aspect-ratio:auto;height:100vh;min-height:560px;max-height:1100px;}
  .home .hero .dots{bottom:34px;}
  .home .welcome-card{opacity:0;transform:translateY(40px);transition:opacity .6s ease,transform .6s ease;}
  .home.scrolled .welcome-card{opacity:1;transform:none;}
  .home .hero .scroll-hint{display:flex;position:absolute;left:50%;bottom:62px;transform:translateX(-50%);z-index:3;width:40px;height:40px;border-radius:50%;border:0;background:rgba(255,255,255,.25);align-items:center;justify-content:center;cursor:pointer;animation:hint 1.8s ease-in-out infinite;transition:opacity .4s;}
  .home .hero .scroll-hint svg{width:18px;height:18px;fill:#fff;}
  .home.scrolled .hero .scroll-hint{opacity:0;pointer-events:none;}
}
@keyframes hint{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}
@media (prefers-reduced-motion:reduce){.home .welcome-card{transition:none}.home .hero .scroll-hint{animation:none}}
/* Nút lên đầu trang – chỉ trên máy tính, nằm trên nút Liên hệ */
.to-top{position:fixed;right:30px;bottom:94px;z-index:74;width:46px;height:46px;border-radius:50%;border:0;background:#fff;box-shadow:0 6px 18px rgba(20,40,60,.18);display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .3s,transform .3s,background .2s;}
.to-top.show{opacity:1;transform:none;pointer-events:auto;}
.to-top:hover{background:var(--gold);}
.to-top svg{width:22px;height:22px;fill:var(--teal-deep);}
.fab.open ~ .to-top,.to-top:has(+ .fab.open){opacity:0;pointer-events:none;}
@media (max-width:900px){ .to-top{display:none;} }
/* Chia sẻ bài viết */
.share{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:34px 0 8px;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.share > span{font-weight:700;color:var(--heading);margin-right:6px;font-size:15px;}
.share .sh{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:99px;border:1px solid var(--line);background:#fff;font:inherit;font-size:14px;font-weight:600;color:var(--heading);cursor:pointer;text-decoration:none;transition:background .2s,border-color .2s;}
.share .sh b{font-weight:600;}
.share .sh svg{width:16px;height:16px;fill:currentColor;flex:none;}
.share .sh.fb{color:#1877f2;} .share .sh.zl{color:#0068ff;}
.share .sh:hover{background:var(--teal-soft);border-color:var(--teal-soft);}
.share .sh.done{background:var(--teal);color:#fff;border-color:var(--teal);}
.slot-note{font-size:12.5px;color:#6b7680;margin-top:-4px;line-height:1.5;}
.share .sh[hidden]{display:none;}
/* Video dọc */
.vids{display:flex;justify-content:center;gap:22px;margin-top:34px;}
.vid{flex:0 0 260px;margin:0;}
.vid .vbox{position:relative;aspect-ratio:9/16;border-radius:18px;overflow:hidden;background:#e6f1f0;box-shadow:0 10px 30px rgba(20,40,60,.16);}
.vid video{width:100%;height:100%;object-fit:cover;display:block;}
.vid .vplay{position:absolute;inset:0;margin:auto;width:66px;height:66px;border-radius:50%;border:0;background:rgba(255,255,255,.92);display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 6px 20px rgba(0,0,0,.25);transition:transform .2s;}
.vid .vplay:hover{transform:scale(1.08);}
.vid .vplay svg{width:30px;height:30px;fill:var(--teal-deep);margin-left:4px;}
.vid.playing .vplay{display:none;}
.vid figcaption{margin-top:12px;font-size:13px;color:#6b7680;line-height:1.45;}
.vid figcaption b{display:block;font-size:15px;color:var(--heading);}
h3.vh{margin-top:44px;font-size:20px;color:var(--heading);}
.vh + .vids{margin-top:16px;justify-content:flex-start;}
@media (max-width:900px){
  .vids{justify-content:flex-start;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding-left:16px;gap:14px;margin-left:-16px;margin-right:-16px;padding:0 16px 8px;scrollbar-width:none;}
  .vids::-webkit-scrollbar{display:none;}
  .vid{flex:0 0 62%;scroll-snap-align:start;}
}
/* Mạng xã hội nổi – chỉ trên điện thoại */
.soc-float{display:none;}
@media (max-width:900px){
  .soc-float{display:flex;flex-direction:column;gap:10px;position:fixed;right:12px;bottom:92px;z-index:65;transform:translateX(calc(100% + 20px));opacity:0;transition:transform .5s cubic-bezier(.2,.8,.2,1),opacity .4s;pointer-events:none;}
  .soc-float.show{transform:none;opacity:1;pointer-events:auto;}
  .soc-float .sf{width:46px;height:46px;border-radius:50%;border:0;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(0,0,0,.2);cursor:pointer;}
  .soc-float .sf svg{width:21px;height:21px;fill:#fff;}
  .soc-float .fb{background:#1877f2;}
  .soc-float .tt{background:#111;}
  .soc-float .ig{background:radial-gradient(circle at 30% 107%,#fdf497 0%,#fd5949 45%,#d6249f 60%,#285AEB 90%);}
  .soc-float .sf:nth-child(2){transition-delay:.06s;} 
}
@media (max-width:900px) and (prefers-reduced-motion:reduce){.soc-float{transition:opacity .2s;}}
.vwide{max-width:880px;margin:36px auto 0;}
.vid.wide{margin:0;}
.vid.wide .vbox{aspect-ratio:16/9;}
.vid.wide figcaption{text-align:center;}
/* Ảnh chân dung cô Hiệu trưởng */
@media (min-width:901px){.principal{grid-template-columns:160px 1fr;}}
.principal .pav.photo{width:160px;height:160px;border:4px solid #fff;box-shadow:0 0 0 2px var(--teal),0 10px 24px rgba(20,60,70,.18);overflow:hidden;background:#fff;}
.principal .pav.photo img{width:100%;height:100%;object-fit:cover;display:block;}
@media (max-width:900px){.principal{grid-template-columns:1fr;justify-items:center;text-align:center;}.principal .pav.photo{width:120px;height:120px;}}
.prose ul.checks{padding-left:0;}.prose ul.checks li{padding-left:44px;list-style:none;}.prose ul.checks li::before{content:none;display:none;}