/* PSA English Camp — khuôn V3 «mực đen & vàng» (06/11/2026): chữ tiêu đề mực đen ánh xanh, vàng làm nhấn, xanh rừng chỉ còn ở nền tối và logo
   Dấu ấn: khung vòm kiểu cửa nhà cổ Hội An · viền vàng mảnh · đèn lồng lấp lánh ở hero · thẻ học phí như thiệp mời */
:root{
  --ivory:#faf7ef; --paper:#fffdf8; --sand:#f1e8d6;
  --ink:#141c18; --muted:#4f5a54;
  --green:#176d02; --forest:#0b1d15; --forest-2:#12291f;
  --gold:#c9a24e; --gold-soft:#e6cf94; --gold-ink:#8a6b22; --gold-deep:#a8822f; --sun:#f6b12a;
  --gold-grad:linear-gradient(100deg,#b8892f 0%,#f3dc9b 38%,#c9a24e 55%,#f6e3ad 72%,#b8892f 100%);
  --serif:"Playfair Display",Georgia,"Times New Roman",serif;
  --sans:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
  --r:4px; --wrap:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);font-size:17px;line-height:1.7;color:var(--ink);background:var(--ivory);overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
ul,ol{list-style:none}
h1,h2,h3{text-wrap:balance;font-family:var(--serif);font-weight:600;line-height:1.18;letter-spacing:-.01em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* chữ vàng ánh kim */
.foil{background:var(--gold-grad);background-size:220% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;font-style:italic;animation:foil 7s ease-in-out infinite}
@keyframes foil{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}

.eyebrow{font-size:13px;font-weight:600;letter-spacing:.26em;text-transform:uppercase;color:var(--gold-ink)}
.intl .eyebrow,.contact-left .eyebrow{color:var(--gold-soft)}
[id]{scroll-margin-top:96px}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.lead{font-size:18px;color:var(--muted);max-width:60ch}

/* nút */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 30px;border-radius:999px;font:600 15px/1 var(--sans);letter-spacing:.04em;text-decoration:none;cursor:pointer;border:1px solid transparent;transition:transform .25s,box-shadow .25s,background .25s,color .25s}
.btn-gold{background:var(--gold-grad);background-size:200% 100%;color:var(--ink);box-shadow:0 10px 30px -12px rgba(201,162,78,.8)}
.btn-gold:hover{transform:translateY(-2px);background-position:100% 50%}
.btn-ghost{border-color:rgba(230,207,148,.6);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.btn-line{border-color:var(--ink);color:var(--ink)}
.btn-line:hover{background:var(--ink);color:#fff}

/* thanh bản mẫu */
.preview-bar{background:#2b2b2b;color:#ddd;font-size:12.5px;padding:6px 0;text-align:center}
.preview-bar strong{color:var(--gold-soft);margin-right:8px}

/* đầu trang: trong suốt trên hero, đổi nền khi cuộn */
.site-head{position:sticky;top:0;z-index:50;transition:background .35s,box-shadow .35s}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:78px}
.site-head.on-hero{background:transparent;margin-bottom:-78px}
.site-head.on-hero .brand,.site-head.on-hero .nav a:not(.btn),.site-head.on-hero .menu-toggle{color:#fff}
.site-head.scrolled{background:rgba(250,247,239,.96);backdrop-filter:blur(10px);box-shadow:0 1px 0 rgba(201,162,78,.35)}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand img{width:44px;height:44px}
.brand b{display:block;font-family:var(--serif);font-size:20px;font-weight:600;line-height:1.1}
.brand small{display:block;font-size:11.5px;letter-spacing:.26em;opacity:.8}
.nav{display:flex;align-items:center;gap:30px}
.nav a:not(.btn){font-size:14px;letter-spacing:.04em;text-decoration:none;color:var(--ink);position:relative;padding:12px 0}
.nav a:not(.btn)::after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:1px;background:var(--gold);transition:right .3s}
.nav a:not(.btn):hover::after{right:0}
.nav .btn{min-height:44px;padding:0 22px;font-size:14px}
.menu-toggle{display:none;min-height:44px;background:none;border:1px solid currentColor;border-radius:999px;padding:8px 18px;font:600 13px var(--sans);letter-spacing:.1em;color:var(--ink)}

/* HERO */
.hero{position:relative;min-height:max(100svh,75vw);display:flex;align-items:flex-start;color:#fff;overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-2}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 72%;animation:kb 26s ease-out both}
@keyframes kb{from{transform:scale(1.08)}to{transform:scale(1)}}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,rgba(8,20,14,.86) 0%,rgba(8,20,14,.55) 48%,rgba(8,20,14,.12) 100%),linear-gradient(180deg,rgba(8,20,14,.35) 0%,transparent 45%,rgba(8,20,14,.5) 100%)}
.hero-frame{position:absolute;inset:24px;border:1px solid rgba(230,207,148,.45);pointer-events:none;z-index:-1}
.hero-frame::before,.hero-frame::after{content:"";position:absolute;width:26px;height:26px;border:1px solid var(--gold-soft)}
.hero-frame::before{top:-6px;left:-6px;border-right:0;border-bottom:0}
.hero-frame::after{bottom:-6px;right:-6px;border-left:0;border-top:0}
.hero-inner{text-align:left;padding:124px 24px 60px;max-width:var(--wrap);width:100%;margin:0 auto}
.hero-inner>*{max-width:700px}
.crest{display:inline-flex;align-items:center;gap:14px;margin-bottom:28px;font-size:12px;letter-spacing:.34em;text-transform:uppercase;color:var(--gold-soft)}
.crest img{width:64px;height:64px;filter:drop-shadow(0 6px 22px rgba(216,178,92,.45))}
.crest i{display:block;width:44px;height:1px;background:linear-gradient(90deg,transparent,var(--gold-soft))}
.crest i:last-child{transform:scaleX(-1)}
.hero h1{font-size:clamp(38px,4.8vw,64px);font-weight:600;line-height:1.08;margin-bottom:26px;text-shadow:0 2px 30px rgba(0,0,0,.25)}
.hero h1 .foil{font-weight:500;padding-right:.08em}
.hero .lead{color:rgba(255,255,255,.9);margin:0 0 32px;font-size:18px;max-width:36em}
.hero-cta{display:flex;gap:14px;justify-content:flex-start;flex-wrap:wrap}
.hero-note{margin-top:28px;font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.72)}
.hero-cap{position:absolute;right:44px;bottom:40px;font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.6)}
.scroll-cue{position:absolute;left:50%;bottom:34px;width:1px;height:54px;background:linear-gradient(var(--gold-soft),transparent);animation:cue 2.4s ease-in-out infinite}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* đèn lồng lấp lánh */
.lanterns{position:absolute;inset:0;z-index:-1;pointer-events:none}
.lanterns span{position:absolute;bottom:-20px;width:var(--s,6px);height:var(--s,6px);border-radius:50%;background:radial-gradient(circle,#fff3c4 0%,#f6b12a 45%,rgba(246,177,42,0) 72%);box-shadow:0 0 14px 4px rgba(246,177,42,.35);opacity:0;animation:rise var(--d,16s) linear var(--w,0s) infinite}
@keyframes rise{0%{transform:translate3d(0,0,0);opacity:0}12%{opacity:.9}50%{transform:translate3d(var(--x,20px),-55vh,0);opacity:.75}88%{opacity:.5}100%{transform:translate3d(calc(var(--x,20px)*-1),-110vh,0);opacity:0}}

/* hoa văn ngăn mục */
.orn{display:flex;align-items:center;justify-content:center;gap:16px;color:var(--gold);margin:0 auto 22px}
.orn::before,.orn::after{content:"";height:1px;width:64px;background:linear-gradient(90deg,transparent,var(--gold))}
.orn::after{transform:scaleX(-1)}
.orn svg{width:22px;height:22px}

/* dải con số */
.facts{background:var(--forest);color:#fff;position:relative}
.facts::before,.facts::after{content:"";position:absolute;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--gold),transparent)}
.facts::before{top:8px}.facts::after{bottom:8px}
.facts ul{max-width:var(--wrap);margin:0 auto;display:grid;grid-template-columns:repeat(5,1fr);padding:54px 24px}
.facts li{text-align:center;padding:0 18px;position:relative}
.facts li+li::before{content:"";position:absolute;left:0;top:12%;bottom:12%;width:1px;background:rgba(230,207,148,.28)}
.facts b{display:block;font-family:var(--serif);font-weight:500;font-size:46px;line-height:1.1;margin-bottom:10px}
.facts span{font-size:13.5px;line-height:1.55;color:rgba(255,255,255,.7)}

/* khung mục */
.sec{padding:120px 0}
.sec-head{text-align:center;max-width:780px;margin:0 auto 64px}
.sec-head .eyebrow{margin-bottom:14px}
.sec-head h2{font-size:clamp(32px,4.2vw,52px);margin-bottom:20px;color:var(--ink)}
.sec-head h2 em{font-style:italic;color:var(--gold-deep);font-weight:500}
.intl .sec-head h2 em{color:var(--gold-soft)}
.sec-head .lead{margin:0 auto}
.sec-alt{background:var(--paper)}
.sec-sand{background:var(--sand)}

/* hành trình: ảnh sân bay + câu dẫn */
.journey-sec{padding:110px 0 40px}
.journey{display:grid;grid-template-columns:6fr 5fr;gap:72px;align-items:center}
.journey blockquote{font-family:var(--serif);font-size:clamp(24px,2.6vw,34px);line-height:1.38;color:var(--ink);margin:18px 0 22px}
.journey blockquote em{color:var(--gold-deep);font-weight:500}
.journey-note{font-size:15px;color:var(--muted);padding-left:18px;border-left:1px solid var(--gold)}
.frame-off{position:relative}
.frame-off img{border-radius:var(--r);width:100%;aspect-ratio:4/3;object-fit:cover}
.frame-off::before{content:"";position:absolute;inset:-18px 18px 18px -18px;border:1px solid var(--gold);border-radius:var(--r);z-index:-1}

/* ba trụ — ảnh khung vòm */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.pillar{text-align:center}
.arch{position:relative;border-radius:999px 999px var(--r) var(--r);overflow:hidden;aspect-ratio:3/4;margin-bottom:30px;box-shadow:0 30px 60px -36px rgba(14,42,30,.55)}
.arch::after{content:"";position:absolute;inset:10px;border:1px solid rgba(255,255,255,.55);border-radius:999px 999px 2px 2px;pointer-events:none}
.arch img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s cubic-bezier(.2,.7,.2,1)}
.pillar:hover .arch img{transform:scale(1.06)}
.pillar .num{display:block;font-family:var(--serif);font-style:italic;font-size:22px;color:var(--gold-deep);margin-bottom:6px}
.pillar h3{font-size:26px;color:var(--ink);margin-bottom:16px}
.pillar ul{display:grid;gap:8px;font-size:15.5px;color:var(--muted);max-width:30ch;margin:0 auto}
.pillar li::before{content:"";display:inline-block;width:14px;height:1px;background:var(--gold);margin-right:10px;vertical-align:middle}

/* một ngày: bảng dòng thời gian gọn trong 1 màn hình
   máy tính: 5 cột ngang trên 1 đường kẻ vàng · điện thoại: 5 hàng dọc, ảnh vuông nhỏ */
.day-sec{padding:48px 0}
.day-sec .sec-head{margin-bottom:26px}
.day-sec .sec-head .eyebrow{margin-bottom:8px}
.day-sec .sec-head h2{font-size:clamp(28px,3vw,40px);margin-bottom:8px}
.dt{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:0;border:1px solid rgba(201,162,78,.35);border-radius:var(--r);background:var(--paper)}
.dt::before{content:"";position:absolute;left:10%;right:10%;top:29px;height:1px;background:var(--gold)}
.dt li{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;padding:22px 16px 20px}
.dt li+li{border-left:1px solid rgba(201,162,78,.25)}
.dt-dot{position:relative;z-index:1;width:15px;height:15px;border-radius:50%;background:var(--paper);border:1px solid var(--gold);box-shadow:0 0 0 5px var(--paper);margin-bottom:12px}
.dt li:hover .dt-dot{background:var(--gold)}
.dt img{width:96px;height:96px;object-fit:cover;border-radius:50%;margin-bottom:12px;box-shadow:0 0 0 1px var(--gold),0 0 0 5px var(--paper),0 0 0 6px rgba(201,162,78,.45)}
.dt-t{display:block;font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--gold-ink);font-weight:600;margin-bottom:4px}
.dt h3{font-size:19px;color:var(--ink);margin-bottom:6px}
.dt p{font-size:14px;line-height:1.55;color:var(--muted);max-width:22ch}

/* chăm sóc */
.care{display:grid;grid-template-columns:6fr 5fr;gap:80px;align-items:center}
.care .sec-head{text-align:left;margin:0 0 40px}
.care-list{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid rgba(201,162,78,.4)}
.care-item{padding:24px 24px 24px 0;border-bottom:1px solid rgba(201,162,78,.4)}
.care-item:nth-child(odd){border-right:1px solid rgba(201,162,78,.4)}
.care-item:nth-child(even){padding-left:24px;padding-right:0}
.care-item b{display:block;font-family:var(--serif);font-size:19px;font-weight:600;color:var(--ink);margin-bottom:4px}
.care-item span{font-size:15px;color:var(--muted)}
.care-media{position:relative}
.care-media img{border-radius:999px 999px var(--r) var(--r);aspect-ratio:4/5;object-fit:cover;width:100%}
.seal{position:absolute;left:-36px;bottom:40px;width:132px;height:132px;border-radius:50%;background:var(--forest);color:var(--gold-soft);display:grid;place-items:center;text-align:center;font-size:11px;letter-spacing:.18em;text-transform:uppercase;line-height:1.5;box-shadow:0 20px 40px -20px rgba(0,0,0,.5);border:1px solid var(--gold)}
.seal b{display:block;font-family:var(--serif);font-size:34px;letter-spacing:0;color:#fff;font-weight:500;text-transform:none}

/* học phí — thiệp mời */
.fees{display:grid;grid-template-columns:5fr 6fr;gap:80px;align-items:center}
.fees .sec-head{text-align:left;margin:0 0 30px}
.invite{position:relative;background:var(--paper);padding:56px 52px 44px;border-radius:var(--r);box-shadow:0 40px 80px -50px rgba(14,42,30,.6)}
.invite::before{content:"";position:absolute;inset:12px;border:1px solid var(--gold);pointer-events:none}
.invite::after{content:"";position:absolute;inset:17px;border:1px solid rgba(201,162,78,.35);pointer-events:none}
.invite-top{text-align:center;margin-bottom:26px}
.invite-top img{width:46px;height:46px;margin:0 auto 10px}
.invite-top p{font-size:12px;letter-spacing:.28em;text-transform:uppercase;color:var(--gold-ink)}
.invite-top h3{font-size:30px;color:var(--ink);font-style:italic;font-weight:500}
.fee-table{width:100%;border-collapse:collapse;position:relative}
.fee-table th{font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);font-weight:600;text-align:left;padding:0 0 10px}
.fee-table th:last-child,.fee-table td:last-child{text-align:right}
.fee-table td{padding:16px 0;border-top:1px dotted rgba(201,162,78,.7);font-family:var(--serif);font-size:22px;color:var(--ink)}
.fee-table td:last-child{font-size:24px;font-weight:600}
.fee-table tr.feat td{color:var(--green)}
.fee-table .tag{display:inline-block;margin-left:10px;font:600 11px/1 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--ink);background:var(--gold-soft);padding:5px 8px;border-radius:999px;vertical-align:4px}
.fee-notes{margin-top:18px;padding-top:18px;border-top:1px solid rgba(201,162,78,.5);font-size:14px;color:var(--muted);display:grid;gap:4px;position:relative}
.callout{display:flex;flex-direction:column;gap:6px;margin-top:8px}
.callout b{font-family:var(--serif);font-size:22px;color:var(--ink)}
.callout span{color:var(--muted)}
.callout .btn{align-self:flex-start;margin-top:14px}

/* quốc tế */
.intl{background:var(--forest);color:#fff;position:relative;overflow:hidden}
.intl .wrap{display:grid;grid-template-columns:5fr 6fr;gap:80px;align-items:center}
.intl .sec-head{text-align:left;margin:0}
.intl .sec-head h2{color:#fff}
.intl .sec-head p:not(.eyebrow){color:rgba(255,255,255,.78)}
.flags{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0 30px}
.flags span{border:1px solid rgba(230,207,148,.5);border-radius:999px;padding:8px 16px;font-size:13px;letter-spacing:.08em;color:var(--gold-soft)}
.intl-media .ph{position:relative}
.intl-media img{border-radius:var(--r);width:100%;aspect-ratio:4/3;object-fit:cover}
.intl-media .ph::after{content:"";position:absolute;inset:14px;border:1px solid rgba(255,255,255,.5);border-radius:2px;pointer-events:none}
.intl-media figcaption{margin-top:12px;font-size:13px;color:rgba(255,255,255,.6)}

/* dải chữ chạy */
.marquee{overflow:hidden;border-block:1px solid rgba(201,162,78,.45);background:var(--ivory);padding:22px 0}
.marquee div{display:flex;gap:48px;width:max-content;animation:mq 40s linear infinite;font-family:var(--serif);font-style:italic;font-size:30px;color:var(--ink);white-space:nowrap}
.marquee span::after{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--gold);margin-left:48px;vertical-align:middle}
@keyframes mq{to{transform:translateX(-50%)}}

/* ảnh */
.gallery{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:150px;gap:16px}
.gallery figure{position:relative;overflow:hidden;border-radius:var(--r)}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s cubic-bezier(.2,.7,.2,1)}
.gallery figure:hover img{transform:scale(1.05)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:30px 18px 14px;font-size:13px;letter-spacing:.06em;color:#fff;background:linear-gradient(transparent,rgba(14,42,30,.75))}
.g-a{grid-column:span 7;grid-row:span 3}
.g-b{grid-column:span 5;grid-row:span 2}
.g-c{grid-column:span 5;grid-row:span 2}
.g-d{grid-column:span 4;grid-row:span 2}
.g-e{grid-column:span 3;grid-row:span 2}

/* hỏi đáp */
.faq{max-width:860px;margin:0 auto;border-top:1px solid rgba(201,162,78,.5)}
.faq details{border-bottom:1px solid rgba(201,162,78,.5)}
.faq summary{cursor:pointer;list-style:none;padding:26px 50px 26px 0;font-family:var(--serif);font-size:21px;color:var(--ink);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);font:300 30px var(--sans);color:var(--gold-deep);transition:transform .3s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq p{padding:0 50px 26px 0;color:var(--muted)}

/* cầu nối */
.bridge{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:36px 40px;border:1px solid rgba(201,162,78,.55);border-radius:var(--r);background:var(--paper)}
.bridge>div{display:flex;flex-direction:column;gap:6px}
.bridge h3{font-size:22px;color:var(--ink)}
.bridge p{color:var(--muted);font-size:15.5px}

/* form */
.contact-sec{background:linear-gradient(180deg,var(--ivory) 0,var(--ivory) 30%,var(--forest) 30%,var(--forest) 100%);padding-bottom:0}
.contact{display:grid;grid-template-columns:5fr 6fr;gap:0;background:var(--paper);border-radius:var(--r);box-shadow:0 50px 90px -50px rgba(0,0,0,.55);overflow:hidden}
.contact-left{position:relative;padding:56px 48px;color:#fff;background:linear-gradient(180deg,rgba(14,42,30,.7),rgba(14,42,30,.95)),var(--img) center/cover}
.contact-left .eyebrow{color:var(--gold-soft);margin-bottom:14px}
.contact-left h2{font-size:clamp(28px,3vw,40px);margin-bottom:16px}
.contact-left .lead{color:rgba(255,255,255,.8);font-size:16px}
.contact-ways{display:grid;gap:14px;margin-top:34px}
.contact-ways a{display:block;text-decoration:none;padding:14px 0;border-top:1px solid rgba(230,207,148,.3)}
.contact-ways small{display:block;font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--gold-soft)}
.contact-ways b{font-family:var(--serif);font-size:24px;font-weight:500}
.lead-form{padding:56px 48px;display:grid;grid-template-columns:1fr 1fr;gap:22px 20px;align-content:start}
.field{display:flex;flex-direction:column;gap:8px}
.field.full,.consent,.form-done{grid-column:1/-1}
.field label{font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:600}
.field input,.field select,.field textarea{font:16px var(--sans);color:var(--ink);background:transparent;border:0;border-bottom:1px solid rgba(27,42,34,.25);padding:10px 0;border-radius:0;outline:none;transition:border-color .25s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--gold)}
.field textarea{min-height:80px;resize:vertical}
.hp{position:absolute;left:-9999px}
.consent{display:flex;gap:12px;font-size:13.5px;color:var(--muted);line-height:1.55}
.consent input{margin-top:4px;accent-color:var(--ink)}
.lead-form .btn{width:100%}
.form-done{background:var(--sand);padding:14px 16px;border-radius:var(--r);font-size:14px}

/* chân trang */
.site-foot{background:var(--forest);color:rgba(255,255,255,.72);padding:100px 0 40px;font-size:14.5px}
.site-foot .cols{display:grid;grid-template-columns:2fr 1fr 1.3fr;gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(230,207,148,.25)}
.foot-brand{display:flex;gap:18px}
.foot-brand img{width:56px;height:56px;flex:none}
.site-foot h3{font-family:var(--sans);font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--gold-soft);margin-bottom:14px}
.site-foot ul{display:grid;gap:8px}
.site-foot a{text-decoration:none;display:inline-block;padding:10px 0;margin:-6px 0}
.site-foot a:hover{color:#fff}
.legal{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:24px;font-size:13px}

.float-cta{display:none}

/* hiện dần khi cuộn */
.js .reveal{opacity:0;transform:translateY(28px);transition:opacity 1s ease,transform 1s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}

@media (max-width:980px){
  .nav{position:fixed;inset:78px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:var(--paper);padding:8px 24px 24px;box-shadow:0 20px 40px -20px rgba(0,0,0,.3);display:none}
  .nav.open{display:flex}
  .nav a:not(.btn){color:var(--ink)!important;padding:14px 0;border-bottom:1px solid rgba(201,162,78,.3)}
  .nav .btn{margin-top:16px}
  .menu-toggle{display:block}
  .journey,.care,.fees,.intl .wrap{grid-template-columns:1fr;gap:48px}
  .dt li{padding:22px 10px 20px}
  .dt img{width:88px;height:88px}
  .dt h3{font-size:17px}
  .dt p{font-size:13.5px}
  .pillars{grid-template-columns:1fr;gap:56px;max-width:440px;margin:0 auto}
  .facts ul{grid-template-columns:repeat(2,1fr);row-gap:34px}
  .facts li:nth-child(odd)::before{display:none}
  .facts li:last-child{grid-column:1/-1}
  .facts li:last-child::before{display:none}
  .contact{grid-template-columns:1fr}
  .seal{left:auto;right:14px;bottom:-30px}
}
@media (max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .sec{padding:68px 0}
  .sec-head{margin-bottom:36px}
  .hero{display:block;min-height:0;background:var(--forest)}
  .hero-bg{position:relative;aspect-ratio:4/3;z-index:0}
  .hero-bg img{object-position:center 60%}
  .hero::before{display:none}
  .hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,20,14,.6) 0,transparent 32%)}
  .hero-frame{display:none}
  .lanterns{display:none}
  .hero-inner{padding:34px 16px 44px;text-align:center}
  .hero-inner>*{max-width:none}
  .hero-cta{justify-content:center}
  .site-head .wrap{height:64px}
  .site-head.on-hero{margin-bottom:-64px}
  .nav{inset:64px 0 auto 0}
  .brand img{width:38px;height:38px}
  .brand b{font-size:18px}
  .pillar{text-align:left}
  .pillar ul{margin:0;max-width:none}
  .arch{aspect-ratio:1/1;margin-bottom:22px}
  .pillars{gap:44px}
  .scroll-cue{display:none}
  .hero h1{font-size:38px}
  .hero .lead{font-size:16.5px}
  .hero-cta .btn{width:100%}
  .hero-cap{display:none}
  .crest i{width:26px}
  .facts ul{padding:44px 16px}
  .facts b{font-size:36px}
  .facts li{padding:0 8px}
  .care-list{grid-template-columns:1fr}
  .care-item,.care-item:nth-child(even){padding:20px 0;border-right:0}
  .care-item:nth-child(odd){border-right:0}
  .frame-off::before{inset:-10px 10px 10px -10px}
  .day-sec{padding:24px 0 20px}
  .day-sec .sec-head{margin-bottom:12px}
  .day-sec .sec-head .eyebrow{margin-bottom:6px}
  .day-sec .sec-head h2{font-size:25px;margin-bottom:0}
  .day-sec .lead{display:none}
  .dt{grid-template-columns:1fr;border:0;background:none}
  .dt::before{left:7px;right:auto;top:30px;bottom:30px;width:1px;height:auto}
  .dt li{display:grid;grid-template-columns:15px 56px 1fr;align-items:center;column-gap:12px;text-align:left;padding:6px 0}
  .dt li+li{border-left:0;border-top:1px solid rgba(201,162,78,.22)}
  .dt-dot{margin:0;box-shadow:0 0 0 4px var(--paper)}
  .dt img{width:56px;height:56px;margin:0;border-radius:var(--r);box-shadow:none}
  .dt-t{font-size:11px;margin-bottom:1px}
  .dt h3{font-size:16px;margin-bottom:0}
  .dt p{font-size:13.5px;line-height:1.35;max-width:none}
  .journey-sec{padding:84px 0 20px}
  .invite{padding:44px 26px 32px}
  .fee-table td{font-size:18px}
  .fee-table td:last-child{font-size:19px}
  .fee-table .tag{display:block;margin:6px 0 0;width:max-content}
  .gallery{grid-template-columns:1fr 1fr;grid-auto-rows:140px;gap:10px}
  .g-a{grid-column:1/-1;grid-row:span 2}
  .g-b,.g-c,.g-d,.g-e{grid-column:span 1;grid-row:span 1}
  .marquee div{font-size:22px}
  .bridge{flex-direction:column;align-items:flex-start;padding:28px 22px}
  .contact-left,.lead-form{padding:40px 22px}
  .lead-form{grid-template-columns:1fr}
  .site-foot{padding-bottom:110px}
  .site-foot .cols{grid-template-columns:1fr}
  .float-cta{display:grid;grid-template-columns:1fr 1fr;gap:8px;position:fixed;left:12px;right:12px;bottom:12px;z-index:60}
  .float-cta a{display:flex;align-items:center;justify-content:center;min-height:50px;border-radius:999px;font-weight:600;font-size:15px;text-decoration:none}
  .float-cta .z{background:var(--forest);color:#fff;border:1px solid var(--gold)}
  .float-cta .c{background:var(--gold-grad);color:var(--ink)}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js .reveal{opacity:1;transform:none}
  .lanterns{display:none}
}
.site-head.on-hero.scrolled .brand,.site-head.on-hero.scrolled .menu-toggle{color:var(--ink)}
.site-head.on-hero.scrolled .nav a:not(.btn){color:var(--ink)}
.nw{white-space:nowrap}
@media (max-width:640px){
  .crest{flex-direction:column;gap:10px}
  .crest i{display:none}
  .float-cta{opacity:0;pointer-events:none;transform:translateY(24px);transition:opacity .35s,transform .35s}
  .float-cta.show{opacity:1;pointer-events:auto;transform:none}
  .float-cta.off{opacity:0;pointer-events:none}
}

/* ===== Trang con (07/11/2026): đầu trang nền sáng, đầu mục tối có ảnh, khối dùng lại ===== */
.site-head.solid{background:rgba(250,247,239,.96);backdrop-filter:blur(10px);box-shadow:0 1px 0 rgba(201,162,78,.35)}
.nav a[aria-current="page"]::after{right:0}
.foot-name{font-family:var(--serif);font-size:24px;color:#fff;margin-bottom:8px}
.contact-ways b.mail{font-size:16px;font-family:var(--sans)}
.site-foot .cols{grid-template-columns:1.7fr 1fr 1fr 1.2fr}
.contact-sec{padding-top:72px}
.bridge-sec{padding:72px 0 0}
.more{text-align:center;margin-top:44px}
.more a,.text-link{font-weight:600;font-size:15px;letter-spacing:.03em;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--gold);padding:12px 0 4px}
.more a::after,.text-link::after{content:"  →";color:var(--gold-deep)}
.more a:hover,.text-link:hover{color:var(--gold-ink)}
.more-left{text-align:left;margin-top:28px}

.page-hero{position:relative;background:var(--forest);color:#fff;overflow:hidden}
.page-hero::before,.page-hero::after{content:"";position:absolute;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--gold),transparent)}
.page-hero::before{top:8px}.page-hero::after{bottom:8px}
.page-hero .wrap{display:grid;grid-template-columns:6fr 5fr;gap:64px;align-items:center;padding-top:64px;padding-bottom:72px}
.page-hero.no-img .wrap{grid-template-columns:1fr;max-width:900px;text-align:center}
.page-hero.no-img .lead{margin:0 auto}
.page-hero.no-img .hero-cta{justify-content:center}
.crumbs{font-size:13px;color:rgba(255,255,255,.62);margin-bottom:22px;letter-spacing:.04em}
.crumbs a{text-decoration:none;padding:10px 0;color:var(--gold-soft)}
.crumbs span{margin:0 8px}
.page-hero h1{font-size:clamp(34px,4.2vw,56px);line-height:1.12;margin-bottom:20px}
.page-hero h1 em{font-style:italic;font-weight:500;color:var(--gold-soft)}
.page-hero .lead{color:rgba(255,255,255,.84);margin-bottom:30px}
.page-hero .eyebrow{color:var(--gold-soft);margin-bottom:12px}
.ph-img{position:relative}
.ph-img img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:999px 999px var(--r) var(--r)}
.ph-img::after{content:"";position:absolute;inset:12px;border:1px solid rgba(255,255,255,.5);border-radius:999px 999px 2px 2px;pointer-events:none}
.ph-img figcaption{margin-top:12px;font-size:13px;color:rgba(255,255,255,.6);text-align:right}

.split{display:grid;grid-template-columns:6fr 5fr;gap:72px;align-items:center}
.split.rev>:first-child{order:2}
.split .sec-head{text-align:left;margin:0 0 26px}
.split p+p{margin-top:14px}
.split .text p{color:var(--muted)}
.ticks{display:grid;gap:12px;margin-top:22px}
.ticks li{position:relative;padding-left:28px;color:var(--ink)}
.ticks li::before{content:"";position:absolute;left:0;top:.72em;width:16px;height:1px;background:var(--gold)}
.split + .split{margin-top:110px}

.pair{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.pair .invite{height:100%}

.trips{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.trip img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:999px 999px var(--r) var(--r);margin-bottom:18px}
.trip h3{font-size:21px;margin-bottom:6px}
.trip p{font-size:15px;color:var(--muted)}
.also{margin-top:40px;text-align:center;color:var(--muted);font-size:15.5px;max-width:70ch;margin-left:auto;margin-right:auto}

.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card{background:var(--paper);border:1px solid rgba(201,162,78,.45);border-radius:var(--r);padding:34px 30px}
.card .num{display:block;font-family:var(--serif);font-style:italic;font-size:20px;color:var(--gold-deep);margin-bottom:8px}
.card h3{font-size:22px;margin-bottom:10px}
.card p{font-size:15.5px;color:var(--muted)}
.cards4{grid-template-columns:repeat(4,1fr);gap:22px}
.cards4 .card{padding:28px 24px}

.next{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.next a{display:flex;flex-direction:column;gap:6px;text-decoration:none;padding:28px 28px 30px;border:1px solid rgba(201,162,78,.55);border-radius:var(--r);background:var(--paper);transition:border-color .25s,transform .25s}
.next a:hover{border-color:var(--gold-deep);transform:translateY(-2px)}
.next small{font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--gold-ink);font-weight:600}
.next b{font-family:var(--serif);font-size:22px;font-weight:600}
.next span{font-size:15px;color:var(--muted)}

.faq-group+.faq-group{margin-top:64px}
.faq-group h2{font-size:clamp(24px,2.4vw,30px);max-width:860px;margin:0 auto 14px}

.album{columns:3 300px;column-gap:16px}
.album figure{break-inside:avoid;margin-bottom:16px;position:relative;overflow:hidden;border-radius:var(--r)}
.album img{width:100%}
.album figcaption{position:absolute;left:0;right:0;bottom:0;padding:30px 16px 12px;font-size:13px;color:#fff;background:linear-gradient(transparent,rgba(14,42,30,.78))}

.prose{max-width:760px;margin:0 auto}
.prose h2{font-size:26px;margin:44px 0 12px}
.prose h2:first-child{margin-top:0}
.prose p,.prose li{color:var(--muted)}
.prose ul{display:grid;gap:8px;margin:12px 0}
.prose li{position:relative;padding-left:24px}
.prose li::before{content:"";position:absolute;left:0;top:.75em;width:12px;height:1px;background:var(--gold)}
.prose a{color:var(--ink);text-decoration-color:var(--gold)}

@media (max-width:1180px){
  .nav{gap:20px}
  .nav a:not(.btn){font-size:13.5px}
  .brand small{display:none}
}
@media (max-width:980px){
  .page-hero .wrap,.split,.pair{grid-template-columns:1fr;gap:44px}
  .split.rev>:first-child{order:0}
  .trips{grid-template-columns:repeat(2,1fr)}
  .cards3,.cards4,.next{grid-template-columns:1fr 1fr}
  .site-foot .cols{grid-template-columns:1fr 1fr}
  .brand small{display:block}
}
@media (max-width:640px){
  .page-hero .wrap{padding-top:36px;padding-bottom:48px;gap:32px}
  .page-hero h1{font-size:32px}
  .page-hero .hero-cta .btn{width:100%}
  .split + .split{margin-top:68px}
  .trips{gap:18px}
  .trip img{aspect-ratio:1/1;border-radius:var(--r)}
  .trip h3{font-size:18px}
  .trip p{font-size:14px}
  .cards3,.cards4,.next{grid-template-columns:1fr}
  .card{padding:26px 22px}
  .album{columns:2;column-gap:10px}
  .album figure{margin-bottom:10px}
  .album figcaption{font-size:12px;padding:24px 10px 8px}
  .contact-sec{padding-top:56px}
  .bridge-sec{padding-top:56px}
  .site-foot .cols{grid-template-columns:1fr}
  .more{margin-top:32px}
}
a.card{display:block;text-decoration:none;transition:border-color .25s,transform .25s}
a.card:hover{border-color:var(--gold-deep);transform:translateY(-2px)}
.card h3.mail-h{font-family:var(--sans);font-size:16px;font-weight:600;overflow-wrap:anywhere}
.fee-table.plain td{font-size:19px}
.fee-table.plain{margin-bottom:18px}
.more a{display:inline-block;padding:14px 0 6px}
.crumbs a{display:inline-block;padding:12px 0}
.brand{min-height:44px}
.nav a{white-space:nowrap}
@media (min-width:981px) and (max-width:1080px){.nav{gap:14px}.nav a:not(.btn){font-size:13px}.nav .btn{padding:0 16px}}
.legal span{line-height:1.6}

/* ===== Khuôn C «sang mà sáng» (CEO chốt 06/11/2026): A học B. Đè lên phần trên; có chân chỉ ở tiêu đề lớn và câu trích,
   chữ thân 18px, nền sáng, chỉ hero + form là mảng tối, bảng và form đọc rõ ===== */
:root{
  --ivory:#fdfbf7; --paper:#ffffff; --sand:#f6efe0;
  --ink:#141c18; --muted:#3f4a44;
  --gold-ink:#7d5f1c; --gold-deep:#8f6c22;
  --gold-grad-dark:linear-gradient(100deg,#7d5f1c 0%,#b8892f 45%,#8f6c22 100%);
  --wrap:1160px;
}
body{font-size:18px;line-height:1.7;background:var(--ivory)}
.lead{font-size:19px;max-width:62ch;color:var(--muted)}

/* chữ: có chân chỉ ở tiêu đề lớn và câu trích; mọi thứ đọc nhanh dùng không chân */
h3,.pillar h3,.dt h3,.care-item b,.callout b,.bridge h3,.invite-top h3,.foot-name,.contact-ways b,.faq summary,.brand b{font-family:var(--sans)}
h3{font-weight:600;letter-spacing:0;line-height:1.35}
.sec-head h2{font-size:clamp(32px,4vw,48px)}
.sec-head h2 em,.journey blockquote em,.pillar .num{color:var(--gold-deep)}
.eyebrow{color:var(--gold-ink)}
.pillar .num{font-family:var(--sans);font-style:normal;font-size:13px;letter-spacing:.2em;text-transform:uppercase;font-weight:600}

/* nút: giữ viên thuốc vàng, thêm viền đậm để nổi trên nền sáng; nút phụ viền mực */
.btn{min-height:52px;font-size:16px}
.btn-gold{border:1px solid rgba(143,108,34,.55);box-shadow:0 8px 24px -12px rgba(143,108,34,.7)}
.btn-line{border-width:1.5px}
.nav a:not(.btn){font-size:15px}

/* hero: để ảnh sáng hơn, chữ vẫn đọc được nhờ lớp tối dồn về bên trái */
.hero::before{background:linear-gradient(100deg,rgba(8,20,14,.82) 0%,rgba(8,20,14,.48) 46%,rgba(8,20,14,.08) 100%),linear-gradient(180deg,rgba(8,20,14,.28) 0%,transparent 40%,rgba(8,20,14,.42) 100%)}
.hero .lead{font-size:19px;color:rgba(255,255,255,.94)}
.hero h1{font-size:clamp(40px,4.9vw,62px)}

/* dải con số: sáng, kẻ vàng mảnh, số có chân mực đen (thay nền rừng tối) */
.facts{background:var(--paper);color:var(--ink);border-top:1px solid rgba(201,162,78,.45);border-bottom:1px solid rgba(201,162,78,.45)}
.facts::before,.facts::after{display:none}
.facts b,.facts .foil{background:var(--gold-grad-dark);background-size:220% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;font-size:44px}
.facts span{color:var(--muted);font-size:14.5px}
.facts li+li::before{background:rgba(201,162,78,.4)}

/* khung mục: ít đệm hơn một chút, nền trắng xen kem nhạt */
.sec{padding:104px 0}
.sec-alt{background:var(--paper)}
.sec-sand{background:var(--sand)}
.journey blockquote{font-size:clamp(23px,2.4vw,31px);line-height:1.42}
.journey-note{font-size:16px}

/* ba trụ: giữ vòm, chữ không chân, danh sách to và đậm hơn */
.pillar h3{font-size:23px;margin-bottom:12px}
.pillar ul{font-size:16.5px;color:var(--muted);max-width:32ch}
.arch{box-shadow:0 24px 48px -32px rgba(14,42,30,.45)}

/* một ngày */
.dt h3{font-size:18px}
.dt p{font-size:14.5px;color:var(--muted)}
.dt-t{color:var(--gold-ink)}

/* chăm sóc */
.care-item b{font-size:18px}
.care-item span{font-size:15.5px;color:var(--muted)}

/* thiệp học phí: giữ khung, bảng đọc như bảng — chữ không chân, hàng tiêu đề, số đậm căn phải */
.invite{padding:48px 44px 40px}
.invite-top h3{font-family:var(--serif);font-size:30px}
.fee-table th{font-size:12.5px;color:var(--ink);background:var(--sand);padding:10px 12px;letter-spacing:.14em}
.fee-table td{font-family:var(--sans);font-size:18px;padding:15px 12px;border-top:1px solid rgba(201,162,78,.35)}
.fee-table td:last-child{font-size:19px;font-weight:600;font-variant-numeric:tabular-nums}
.fee-table tr:nth-child(even) td{background:rgba(246,239,224,.45)}
.fee-notes{font-size:14.5px;color:var(--muted)}
.callout b{font-size:21px}

/* lớp quốc tế: nền trắng kẻ vàng thay nền rừng tối (bớt 1 mảng tối; không trùng màu với thiệp học phí ngay trên) */
.intl{background:var(--paper);color:var(--ink);border-top:1px solid rgba(201,162,78,.4);border-bottom:1px solid rgba(201,162,78,.4)}
.intl .sec-head h2{color:var(--ink)}
.intl .sec-head h2 em{color:var(--gold-deep)}
.intl .sec-head p:not(.eyebrow){color:var(--muted)}
.intl .eyebrow{color:var(--gold-ink)}
.flags span{border-color:rgba(143,108,34,.55);color:var(--ink)}
.intl-media .ph::after{border-color:rgba(201,162,78,.7)}
.intl-media figcaption{color:var(--muted)}
.intl .btn-ghost{border-color:var(--ink);color:var(--ink)}
.intl .btn-ghost:hover{background:var(--ink);color:#fff}

/* dải chữ chạy: nhẹ hơn */
.marquee{background:var(--paper)}
.marquee div{font-size:26px;color:var(--gold-deep)}

/* hỏi đáp: câu hỏi không chân, đậm, dễ quét; trả lời rộng hơn */
.faq summary{font-size:18.5px;font-weight:600;padding:22px 50px 22px 0}
.faq p{font-size:17px;color:var(--muted)}

/* cầu nối */
.bridge h3{font-size:20px}
.bridge p{font-size:16px}

/* form: mảng tối thứ hai, ô nhập có viền rõ (học B) */
.field input,.field select,.field textarea{border:1px solid rgba(20,28,24,.22);border-radius:6px;padding:12px 14px;background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--gold-deep);box-shadow:0 0 0 3px rgba(201,162,78,.25)}
.field label{color:var(--ink);letter-spacing:.1em;font-size:12.5px}
.consent{font-size:14px}
.contact-ways b{font-size:20px;font-weight:600}

/* chân trang */
.site-foot{font-size:15px;color:rgba(255,255,255,.8)}

/* hiện dần nhanh hơn để trang cảm giác nhẹ */
.js .reveal{transform:translateY(16px);transition:opacity .55s ease,transform .55s ease}

@media (max-width:980px){
  .pillar ul{max-width:none}
}
@media (max-width:640px){
  body{font-size:17px}
  .lead{font-size:17.5px}
  .sec{padding:64px 0}
  /* điện thoại: khối chữ hero trên nền kem sáng thay nền rừng, chữ mực đen, vàng ánh kim đậm */
  .hero{background:var(--ivory);color:var(--ink)}
  /* đầu trang điện thoại: nền kem đặc, chữ mực (không đè chữ trắng lên ảnh) */
  .site-head.on-hero{background:rgba(253,251,247,.97);margin-bottom:0}
  .site-head.on-hero .brand,.site-head.on-hero .menu-toggle{color:var(--ink)}
  .hero-bg::after{display:none}
  .hero-inner{padding:30px 16px 40px}
  .crest{color:var(--gold-ink)}
  .crest img{filter:none}
  .hero h1{font-size:36px;text-shadow:none}
  .hero h1 .foil{background:var(--gold-grad-dark);background-size:220% 100%;-webkit-background-clip:text;background-clip:text;color:transparent}
  .hero .lead{color:var(--muted);font-size:17.5px}
  .hero .btn-ghost{border-color:var(--ink);color:var(--ink)}
  .hero-note{color:var(--muted)}
  .facts b,.facts .foil{font-size:34px}
  .pillar h3{font-size:21px}
  .invite{padding:36px 22px 30px}
  .fee-table td{font-size:17px}
  .fee-table td:last-child{font-size:18px}
  .faq summary{font-size:17px}
}
/* trang con theo khuôn C */
.next b{font-family:var(--sans);font-size:20px}
.card .num{font-family:var(--sans);font-style:normal;font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;font-weight:600;color:var(--gold-ink)}
.card h3{font-size:21px}
.card p,.trip p{font-size:16px}
.trip h3{font-size:20px}
.prose p,.prose li{font-size:17.5px}
.crumbs{font-size:13.5px}
.faq-group h2{font-size:clamp(26px,2.6vw,32px)}
@media (max-width:640px){
  /* đầu trang con trên điện thoại: nền sáng như hero trang chủ, chỉ giữ hai kẻ vàng */
  .page-hero{background:var(--ivory);color:var(--ink)}
  .page-hero .crumbs{color:var(--muted)}
  .page-hero .crumbs a{color:var(--gold-ink)}
  .page-hero h1 em{color:var(--gold-deep)}
  .page-hero .lead{color:var(--muted)}
  .page-hero .eyebrow{color:var(--gold-ink)}
  .page-hero .btn-ghost{border-color:var(--ink);color:var(--ink)}
  .ph-img::after{border-color:rgba(201,162,78,.6)}
  .ph-img figcaption{color:var(--muted)}
}

.form-note{font-size:14.5px;color:var(--muted);margin-top:12px}
.form-note a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--gold)}
#lead-form-gr{display:block}
#lead-form-gr getresponse-form{display:block;width:100%}

/* Ảnh trong bài cẩm nang (09/11/2026) */
.bai-anh{margin:28px 0}
.bai-anh img{display:block;width:100%;height:auto;border-radius:var(--r)}
.bai-anh.doc{max-width:480px;margin-left:auto;margin-right:auto}
.bai-anh figcaption{margin-top:8px;font-size:15px;line-height:1.5;color:var(--muted)}
.bai-anh-dau{margin-top:0}
/* ===== Sửa giao diện 09/11/2026: khung hero, ảnh bìa, chân trang, nút liên hệ tròn ===== */
@media (min-width:641px){
  .hero{min-height:clamp(600px,88svh,820px)}
  .hero-bg img{object-position:center 62%}
  .hero-frame{inset:100px 24px 24px}
  .hero-inner{padding-top:150px}
}
.site-foot{padding:56px 0 32px}
.site-foot .cols{padding-bottom:28px}

/* Nút liên hệ tròn (thay thanh hai nút cũ) */
.float-cta.lhn{position:fixed;left:auto;right:24px;bottom:24px;z-index:70;display:flex;flex-direction:column;align-items:flex-end;gap:12px;opacity:1;pointer-events:auto;transform:none;transition:opacity .3s,transform .3s}
.float-cta.lhn.off:not(.mo){opacity:0;pointer-events:none;transform:translateY(16px)}
.lhn-hang{display:flex;align-items:center;gap:12px}
.lhn-nhan{background:var(--forest);color:#fff;font-size:15px;font-weight:500;padding:10px 16px;border-radius:999px;border:1px solid rgba(230,207,148,.5);box-shadow:0 10px 26px -12px rgba(8,20,14,.6);white-space:nowrap}
.lhn.mo .lhn-nhan{display:none}
.lhn-nut{position:relative;width:64px;height:64px;border-radius:50%;border:1px solid var(--gold-deep);background:var(--gold-grad);color:var(--forest);display:grid;place-items:center;cursor:pointer;box-shadow:0 12px 28px -10px rgba(8,20,14,.55);transition:transform .2s}
.lhn-nut::after{content:"";position:absolute;inset:-6px;border-radius:50%;border:1px solid rgba(201,162,78,.6);pointer-events:none}
.lhn-nut:hover{transform:translateY(-2px)}
.lhn-nut:focus-visible{outline:2px solid var(--gold);outline-offset:6px}
.lhn-nut .lhn-dong,.lhn.mo .lhn-nut .lhn-mo{display:none}
.lhn.mo .lhn-nut .lhn-dong{display:block}
.lhn-menu{width:300px;background:var(--paper);border:1px solid rgba(201,162,78,.45);border-radius:var(--r);padding:8px;box-shadow:0 24px 50px -20px rgba(8,20,14,.45)}
.lhn-menu[hidden]{display:none}
.lhn-tieu-de{font-size:12.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-ink);padding:10px 14px 6px;margin:0}
.lhn-menu a{display:flex;flex-direction:column;justify-content:center;min-height:52px;padding:8px 14px;border-radius:4px;text-decoration:none}
.lhn-menu a+a{border-top:1px solid rgba(201,162,78,.25)}
.lhn-menu a b{font-size:16px;font-weight:600;color:var(--ink)}
.lhn-menu a span{font-size:14.5px;color:var(--muted)}
.lhn-menu a:hover{background:var(--sand)}
.lhn-menu a.lhn-form{background:var(--forest);margin-top:6px;border-top:0}
.lhn-menu a.lhn-form b{color:#fff}.lhn-menu a.lhn-form span{color:var(--gold-soft)}
@media (max-width:640px){
  .float-cta.lhn{right:16px;bottom:16px;left:auto;display:flex}
  .lhn-nhan{display:none}
  .lhn-nut{width:56px;height:56px}
  .lhn-menu{width:min(320px,calc(100vw - 32px))}
  /* Chân trang gọn trên điện thoại: giữ tên, liên hệ, đơn vị tổ chức */
  .site-foot{padding:32px 0 96px;font-size:14.5px}
  .site-foot .cols{grid-template-columns:1fr;gap:16px;padding-bottom:16px}
  .site-foot .cols>div:not(.foot-brand):not(:last-child){display:none}
  .foot-brand img{width:44px;height:44px}
  .foot-brand p:not(.foot-name){display:none}
  .foot-name{margin:8px 0 0}
  .site-foot .cols>div:last-child h3{display:none}
  .site-foot .cols>div:last-child ul{display:flex;flex-wrap:wrap;gap:4px 18px}
  .legal{padding-top:14px;font-size:12.5px}
}
@media (prefers-reduced-motion:reduce){.float-cta.lhn,.lhn-nut{transition:none}}
/* ===== Bài cẩm nang 3 cột (09/11/2026): mục lục trái, bài giữa, bài khác phải ===== */
.bai-khung{display:grid;grid-template-columns:minmax(0,1fr)}
.bai-anh-o,.bai-khung .muc-luc,.bai-phai{width:100%;max-width:760px;margin-left:auto;margin-right:auto}
.bai-anh-o .bai-anh{margin-bottom:24px}
.muc-luc{border:1px solid rgba(201,162,78,.45);border-radius:var(--r);background:var(--paper);margin-bottom:36px}
.muc-luc summary{list-style:none;cursor:pointer;min-height:52px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 18px;font-weight:600;font-size:16px;color:var(--ink)}
.muc-luc summary::-webkit-details-marker{display:none}
.muc-luc summary::after{content:"+";font-size:24px;font-weight:400;line-height:1;color:var(--gold-deep);transition:transform .2s}
.muc-luc[open] summary::after{transform:rotate(45deg)}
.muc-luc ol{list-style:none;counter-reset:ml;margin:0;padding:0 18px 12px}
.muc-luc li{counter-increment:ml}
.muc-luc a{display:flex;align-items:baseline;gap:10px;min-height:44px;padding:10px 0;border-top:1px solid rgba(201,162,78,.22);text-decoration:none;color:var(--muted);font-size:16px;line-height:1.45}
.muc-luc a::before{content:counter(ml,decimal-leading-zero);flex:none;min-width:22px;font-size:12.5px;font-weight:600;letter-spacing:.06em;color:var(--gold-ink)}
.muc-luc a:hover,.muc-luc a.dang-doc{color:var(--ink)}
.muc-luc a.dang-doc{font-weight:600}
.prose h2[id]{scroll-margin-top:100px}
.bai-phai{display:grid;gap:24px;margin-top:56px}
.bk-nhan{margin:0 0 8px;font-size:12.5px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-ink)}
.bai-khac{border-top:1px solid rgba(201,162,78,.45);padding-top:24px}
.bk-the{display:grid;grid-template-columns:112px minmax(0,1fr);gap:14px;align-items:center;padding:12px 0;border-bottom:1px solid rgba(201,162,78,.25);text-decoration:none;color:var(--ink)}
.bk-the img{width:112px;height:75px;object-fit:cover;border-radius:var(--r)}
.bk-the span{font-size:16px;font-weight:600;line-height:1.4}
.bk-the:hover span{color:var(--gold-deep)}
.bk-tat-ca{display:inline-flex;align-items:center;min-height:44px;margin-top:6px;font-weight:600;color:var(--ink);text-decoration-color:var(--gold);text-underline-offset:4px}
.bk-psa{background:var(--sand);border:1px solid rgba(201,162,78,.45);border-radius:var(--r);padding:24px}
.bk-psa p:not(.bk-nhan){margin:0 0 16px;font-size:15.5px;line-height:1.6;color:var(--muted)}
.bk-psa .btn{width:100%}
@media (min-width:1180px){
  .wrap.bai-khung{max-width:1360px;grid-template-columns:230px minmax(0,1fr) 260px;grid-template-areas:"trai anh phai" "trai bai phai";column-gap:56px;align-items:start}
  .bai-anh-o{grid-area:anh;max-width:none}
  .bai-khung>.prose{grid-area:bai;max-width:none;margin:0}
  .bai-trai{grid-area:trai;grid-row:1/3;align-self:stretch}
  .bai-phai{grid-area:phai;grid-row:1/3;align-self:start;position:sticky;top:104px;margin-top:0}
  .bai-trai .muc-luc{position:sticky;top:104px;max-height:calc(100vh - 128px);overflow:auto;margin:0;border:0;background:none}
  .muc-luc summary{pointer-events:none;min-height:0;padding:0 0 10px;font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-ink)}
  .muc-luc summary::after{display:none}
  .muc-luc ol{padding:0;border-left:1px solid rgba(201,162,78,.35)}
  .muc-luc a{min-height:0;padding:8px 0 8px 14px;margin-left:-1px;border-top:0;border-left:2px solid transparent;font-size:15px}
  .muc-luc a.dang-doc{border-left-color:var(--gold-deep)}
  .bk-the{grid-template-columns:84px minmax(0,1fr);gap:12px}
  .bk-the img{width:84px;height:56px}
  .bk-the span{font-size:15px}
}
/* Thu khoảng trống giữa khối liên hệ và chân trang */
.contact-sec{padding-bottom:40px}
@media (max-width:640px){.contact-sec{padding-bottom:28px}}
.lhn-menu{text-align:left}.lhn-menu a{align-items:flex-start}

/* ===== Nút liên hệ dạng cột nút tròn (09/11/2026, thay bảng bật mở) ===== */
.float-cta.lhn{right:24px;bottom:28px;gap:12px;align-items:center}
.lhn-n{position:relative;width:52px;height:52px;border-radius:50%;display:grid;place-items:center;text-decoration:none;box-shadow:0 10px 24px -10px rgba(8,20,14,.55);transition:transform .2s}
.lhn-n:hover{transform:translateY(-2px)}
.lhn-n:focus-visible{outline:2px solid var(--gold);outline-offset:4px}
.lhn-goi,.lhn-mail{background:var(--forest);color:var(--gold-soft);border:1px solid rgba(230,207,148,.55)}
.lhn-zalo{display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--paper);color:var(--forest);border:1px solid var(--gold);line-height:1}
.lhn-zalo b{font-size:13px;font-weight:600}
.lhn-zalo i{font-style:normal;font-size:11px;font-weight:600;letter-spacing:.06em;color:var(--gold-ink);margin-top:3px}
.lhn-tv{width:60px;height:60px;background:var(--gold-grad);color:var(--forest);border:1px solid var(--gold-deep)}
.lhn-tv::after{content:"";position:absolute;inset:-6px;border-radius:50%;border:1px solid rgba(201,162,78,.6);pointer-events:none}
.lhn-tip{position:absolute;right:calc(100% + 14px);top:50%;transform:translateY(-50%);background:var(--forest);color:#fff;font-size:14.5px;font-weight:500;white-space:nowrap;padding:8px 14px;border-radius:999px;border:1px solid rgba(230,207,148,.45);opacity:0;pointer-events:none;transition:opacity .2s}
.lhn-n:hover .lhn-tip,.lhn-n:focus-visible .lhn-tip{opacity:1}
@media (max-width:640px){
  .float-cta.lhn{right:12px;bottom:14px;gap:10px}
  .lhn-n{width:46px;height:46px}
  .lhn-tv{width:54px;height:54px}
  .lhn-mail,.lhn-tip{display:none}
}

/* Lưới ảnh trang chủ: xếp kín 5 hàng, không còn ô trống */
@media (min-width:641px){
  .g-a{grid-area:1/1/4/8}
  .g-b{grid-area:1/8/3/13}
  .g-c{grid-area:3/8/6/13}
  .g-d{grid-area:4/1/6/5}
  .g-e{grid-area:4/5/6/8}
}
@media (max-width:640px){
  .float-cta.lhn .lhn-n{display:grid;min-height:0;font-size:inherit}
  .float-cta.lhn .lhn-zalo{display:flex}
  .float-cta.lhn .lhn-mail{display:none}
}
/* ===== Trang trại hè nước ngoài và khối cầu nối (bản nháp 09/11/2026) ===== */
.sec.bridge-sec{padding:40px 0 0}
.sec.bridge-sec+.sec:not(.contact-sec){padding-top:64px}
main>.sec.bridge-sec:last-child{padding-bottom:64px}
.bridge{padding:28px 36px}
.bang-so-o{max-width:960px;margin:0 auto;overflow-x:auto;border:1px solid rgba(201,162,78,.45);border-radius:var(--r);background:var(--paper)}
.bang-so{width:100%;min-width:600px;border-collapse:collapse;font-size:16px}
.bang-so th,.bang-so td{padding:14px 18px;text-align:left;vertical-align:top;border-top:1px solid rgba(201,162,78,.3);line-height:1.5}
.bang-so thead th{border-top:0;background:var(--sand);font-size:12.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--ink)}
.bang-so tbody th{font-weight:600;color:var(--ink);width:22%}
.bang-so td{color:var(--muted)}
.bang-so tbody tr:nth-child(even){background:rgba(246,239,224,.45)}
.bang-so a{color:var(--ink);text-decoration-color:var(--gold)}
.next.next-4{grid-template-columns:repeat(4,1fr)}
.next a em{margin-top:auto;padding-top:14px;font-style:normal;font-size:14.5px;font-weight:600;color:var(--gold-ink)}
@media (max-width:980px){.next.next-4{grid-template-columns:1fr 1fr}}
@media (max-width:640px){
  .sec.bridge-sec{padding-top:28px}
  .bridge{padding:24px 20px}
  .next.next-4{grid-template-columns:1fr}
  .bang-so th,.bang-so td{padding:12px 14px}
}
.page-hero .hero-cta{margin-top:28px;justify-content:center}

@media (max-width:640px){
  .bang-so-o{overflow:visible}
  .bang-so{min-width:0}
  .bang-so thead{display:none}
  .bang-so,.bang-so tbody,.bang-so tr,.bang-so th,.bang-so td{display:block;width:auto}
  .bang-so tr{padding:14px 16px;border-top:1px solid rgba(201,162,78,.3)}
  .bang-so tbody tr:first-child{border-top:0}
  .bang-so th,.bang-so td{border:0;padding:4px 0}
  .bang-so tbody th{width:auto;padding-bottom:6px}
  .bang-so td::before{content:attr(data-nhan);display:block;font-size:12.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-ink)}
}
/* Thẻ 4 nước có cờ (bản nháp 09/11/2026) */
.next a.the-nuoc{overflow:hidden}
.the-nuoc .co{display:flex;align-items:center;margin:-28px -28px 18px;padding:22px 28px;background:var(--sand);border-bottom:1px solid rgba(201,162,78,.45)}
.the-nuoc .co img{width:60px;height:40px;object-fit:cover;border-radius:3px;box-shadow:0 0 0 1px rgba(20,28,24,.12),0 8px 16px -10px rgba(8,20,14,.55)}
.next a.the-nuoc>span:not(.co){margin-bottom:20px}
.next a.the-nuoc em{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;margin-top:auto;padding:10px 20px;min-height:44px;border:1.5px solid var(--ink);border-radius:999px;color:var(--ink);font-size:15px;font-style:normal;font-weight:600;transition:background .2s,color .2s}
.next a.the-nuoc em i{font-style:normal;transition:transform .2s}
.next a.the-nuoc:hover em{background:var(--ink);color:#fff}
.next a.the-nuoc:hover em i{transform:translateX(3px)}

/* Bảng so sánh trên điện thoại: mỗi tiêu chí một thẻ, hai cột Hội An | Nước ngoài */
@media (max-width:640px){
  .bang-so-o{border:0;background:none;overflow:visible}
  .bang-so tbody{display:grid;gap:12px}
  .bang-so tr,.bang-so tbody tr:first-child{display:grid;grid-template-columns:1fr 1fr;padding:0;border:1px solid rgba(201,162,78,.45);border-radius:var(--r);overflow:hidden}
  .bang-so tbody tr:nth-child(n){background:var(--paper)}
  .bang-so tbody th{grid-column:1/-1;padding:10px 14px;background:var(--sand);font-size:15.5px}
  .bang-so td{padding:12px 14px;font-size:15.5px;line-height:1.45}
  .bang-so td+td{border-left:1px solid rgba(201,162,78,.3)}
  .bang-so td::before{margin-bottom:6px;font-size:11.5px;letter-spacing:.1em}
}
/* Mục bài mới từ Eduphil trên trang trại hè nước ngoài (bản nháp 09/11/2026) */
.bk-edu-luoi{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.bk-edu{display:flex;flex-direction:column;gap:12px;padding:24px 26px;background:var(--paper);border:1px solid rgba(201,162,78,.55);border-radius:var(--r);text-decoration:none;color:var(--ink);transition:border-color .25s,transform .25s}
.bk-edu:hover{border-color:var(--gold-deep);transform:translateY(-2px)}
.bk-edu-dau{display:flex;align-items:center;gap:10px}
.bk-edu-dau img{width:36px;height:24px;object-fit:cover;border-radius:2px;box-shadow:0 0 0 1px rgba(20,28,24,.12)}
.bk-edu-dau small{font-size:12px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-ink)}
.bk-edu-dau time{margin-left:auto;font-size:14px;color:var(--muted)}
.bk-edu b{font-size:18px;font-weight:600;line-height:1.4}
.bk-edu em{margin-top:auto;font-style:normal;font-size:15px;font-weight:600;color:var(--gold-ink)}
.bk-edu em i{font-style:normal;display:inline-block;transition:transform .2s}
.bk-edu:hover em i{transform:translateX(3px)}
.bk-edu-them{text-align:center;margin-top:36px}
@media (max-width:980px){.bk-edu-luoi{grid-template-columns:1fr 1fr}}
@media (max-width:640px){
  .bk-edu-luoi{grid-template-columns:1fr;gap:12px}
  .bk-edu{padding:18px 18px;gap:8px}
  .bk-edu b{font-size:17px}
  .bk-edu-them .btn{width:100%}
}
/* Ảnh bìa trên thẻ bài Eduphil */
.bk-edu-anh{display:block;width:calc(100% + 52px);max-width:none;height:auto;aspect-ratio:3/2;object-fit:cover;margin:-24px -26px 6px;border-bottom:1px solid rgba(201,162,78,.35)}
@media (max-width:640px){.bk-edu-anh{width:calc(100% + 36px);margin:-18px -18px 4px}}
/* Khối câu nói mẫu, bảng trong bài, chỗ cần bổ sung (09/11/2026) */
.noi-mau{margin:18px 0 26px;padding:14px 18px;background:var(--paper);border-left:3px solid var(--gold);border-radius:0 var(--r) var(--r) 0}
.prose .noi-mau p{margin:0;color:var(--ink)}
.prose .noi-mau p:first-child{color:var(--muted)}
.prose .noi-mau p+p{margin-top:8px}
.noi-mau span{display:inline-block;min-width:82px;margin-right:6px;font-size:12.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-ink)}
.bang-bai{width:100%;margin:18px 0 22px;border-collapse:collapse;font-size:16px;background:var(--paper);border:1px solid rgba(201,162,78,.45)}
.bang-bai th,.bang-bai td{padding:11px 14px;text-align:left;vertical-align:top;border-top:1px solid rgba(201,162,78,.3);line-height:1.5}
.bang-bai thead th{background:var(--sand);font-size:12.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink);border-top:0}
.bang-bai td{color:var(--muted)}
.bang-bai td:first-child{color:var(--ink);font-weight:600;white-space:nowrap}
.prose p.can-bo-sung{padding:12px 16px;background:#fff4d6;border:1px dashed var(--gold-deep);border-radius:var(--r);color:var(--ink)}
.prose>p+p{margin-top:14px}
@media (max-width:640px){
  .noi-mau span{display:block;margin-bottom:2px}
  .bang-bai{font-size:15px}
  .bang-bai th,.bang-bai td{padding:10px 10px}
  .bang-bai td:first-child{white-space:normal}
}
.prose h3{margin-top:26px}

/* Anh bia sach giao trinh: giu nguyen ti le, khong cat */
.frame-off.sach img{aspect-ratio:auto;object-fit:contain;background:#fff}
.sach-cap{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:22px 0 18px}
.sach-cap div{border:1px solid var(--line,#e6dcc4);border-radius:var(--r);padding:14px 12px;text-align:center}
.sach-cap b{display:block;font-size:22px;color:var(--gold-deep)}
.sach-cap span{display:block;font-size:15px;line-height:1.35}
@media (max-width:420px){.sach-cap{gap:8px}.sach-cap div{padding:12px 6px}.sach-cap span{font-size:14px}}

/* 5 hoat dong cuoi tuan: hang cuoi luon can giua, khong de o trong lech */
.trips.trips-5{display:flex;flex-wrap:wrap;justify-content:center;gap:28px 22px}
.trips.trips-5>.trip{width:calc((100% - 88px)/5)}
@media (max-width:980px){.trips.trips-5{gap:24px 18px}.trips.trips-5>.trip{width:calc((100% - 36px)/3)}}
@media (max-width:600px){.trips.trips-5{gap:20px 14px}.trips.trips-5>.trip{width:calc((100% - 14px)/2)}}

/* Dien thoai: gom cot nut lien he vao 1 nut, bam moi bung ra (khong de cot nut de len chu) */
.lhn-bat{display:none}
@media (max-width:640px){
  .float-cta.lhn .lhn-bat{display:grid;place-items:center;width:54px;height:54px;padding:0;cursor:pointer;background:var(--gold-grad);color:var(--forest);border:1px solid var(--gold-deep);font:inherit}
  .float-cta.lhn .lhn-bat::after{content:"";position:absolute;inset:-6px;border-radius:50%;border:1px solid rgba(201,162,78,.6);pointer-events:none}
  .float-cta.lhn:not(.mo) .lhn-n:not(.lhn-bat){display:none}
  .float-cta.lhn.mo .lhn-tv{width:46px;height:46px}
  .lhn-bat .lhn-i-dong,.float-cta.lhn.mo .lhn-bat .lhn-i-mo{display:none}
  .float-cta.lhn.mo .lhn-bat .lhn-i-dong{display:block}
  .float-cta.lhn.mo .lhn-bat{background:var(--forest);color:var(--gold-soft);border-color:rgba(230,207,148,.55)}
}

/* Menu sổ xuống: Trại hè Hội An */
.nav-dd{position:relative;display:flex;align-items:center;gap:2px}
.dd-nut{background:none;border:0;color:inherit;padding:0;width:28px;height:44px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}
.site-head.on-hero:not(.scrolled) .dd-nut{color:#fff}
.dd-nut svg{transition:transform .25s}
.nav-dd.mo .dd-nut svg{transform:rotate(180deg)}
.dd-menu{display:none}
.dd-menu a{display:block;white-space:nowrap}
@media (min-width:981px){
  .dd-menu{position:absolute;top:100%;left:-18px;min-width:250px;background:var(--paper);border:1px solid rgba(201,162,78,.35);border-radius:var(--r);box-shadow:0 18px 40px -18px rgba(0,0,0,.28);padding:8px 0;z-index:60}
  .nav-dd:hover .dd-menu,.nav-dd:focus-within .dd-menu,.nav-dd.mo .dd-menu{display:block}
  .nav-dd:hover .dd-nut svg{transform:rotate(180deg)}
  .nav .dd-menu a:not(.btn){color:var(--ink)!important;padding:11px 20px;font-size:14px}
  .nav .dd-menu a:not(.btn)::after{display:none}
  .nav .dd-menu a:hover,.nav .dd-menu a[aria-current="page"]{background:rgba(201,162,78,.12);color:var(--gold-ink)!important}
}
@media (max-width:980px){
  .nav-dd{flex-wrap:wrap;border-bottom:1px solid rgba(201,162,78,.3)}
  .nav-dd>a:not(.btn){flex:1;border-bottom:0}
  .dd-nut{width:48px;height:48px;color:var(--ink)!important}
  .nav-dd.mo .dd-menu{display:block;width:100%;padding:0 0 8px 16px;border-left:2px solid var(--gold);margin:0 0 12px}
  .nav .dd-menu a:not(.btn){padding:12px 0;border-bottom:0;font-size:15px}
}
@media (max-width:980px){.nav.open{max-height:calc(100vh - 64px);overflow-y:auto;overscroll-behavior:contain}}

/* Sơ đồ mới 10/11: nhiều menu sổ xuống, chân trang 5 cột, chuyên mục cẩm nang */
.nav a.dang-o::after{right:0}
.the-cm .num{font-size:16px}
.the-cm h3,.the-bai h3{font-size:21px}
.card.the-cm,.card.the-bai{text-decoration:none;color:inherit;transition:border-color .2s,box-shadow .2s}
.card.the-cm:hover,.card.the-bai:hover{border-color:var(--gold);box-shadow:0 14px 30px -18px rgba(0,0,0,.25)}
.cm-gioi-thieu{padding-bottom:0}
.cm-gioi-thieu .prose p{font-size:17px}
.cm-khac{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;margin-top:40px;font-size:15px}
.cm-khac span{color:var(--muted);margin-right:4px}
.cm-khac a{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border:1px solid rgba(201,162,78,.5);border-radius:999px;text-decoration:none;color:var(--ink)}
.cm-khac a:hover{background:rgba(201,162,78,.12)}
.tim-bai{max-width:520px;margin:0 auto 32px;display:flex;flex-direction:column;gap:8px}
.tim-bai label{font-size:14px;letter-spacing:.06em;color:var(--muted)}
.tim-bai input{min-height:48px;padding:0 16px;font:16px var(--sans);border:1px solid rgba(201,162,78,.6);border-radius:var(--r);background:#fff;color:var(--ink)}
.tim-bai input:focus{outline:2px solid var(--gold);outline-offset:1px}
.the-bai[hidden]{display:none}
.khong-thay{text-align:center;color:var(--muted)}
.bai-ky{font-size:15px;color:var(--muted)}
@media (min-width:981px){.nav .dd-menu a:not(.btn){white-space:nowrap}}

/* Link nội bộ theo sơ đồ 10/11 */
.bk-psa .bk-ban{display:flex;align-items:center;min-height:44px;margin:4px 0 12px;color:var(--gold-ink);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.cam-nang-home .cn-tat-ca{text-align:center;margin-top:32px}
.theo-tuoi .next a small,.cam-nang-home .next a small{letter-spacing:.08em}

/* 11/11: lưới chuyên mục theo số mục, thẻ kỹ năng có ảnh */
.cm-ds .cards3{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
@media (max-width:980px){.cm-ds .cards3{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.cm-ds .cards3{grid-template-columns:1fr}}
.trips.ky-nang .num{display:block;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold-deep);margin-bottom:6px}
@media (max-width:980px){.trips.ky-nang{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.trips.ky-nang{grid-template-columns:1fr}.trips.ky-nang .trip img{aspect-ratio:4/3}}
@media (min-width:981px) and (max-width:1180px){.nav{gap:14px}.nav a:not(.btn){font-size:13.5px}.dd-nut{width:20px}.nav .btn{padding:0 16px}.nav-dd{gap:0}}
@media (min-width:981px) and (max-width:1080px){.nav{gap:11px}.nav a:not(.btn){font-size:13px}.brand b{font-size:17px}}
/* 5 chuyên mục: không để ô lẻ lệch */
.cam-nang-home .next.next-4{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
@media (max-width:980px){.cam-nang-home .next.next-4,.cm-ds .cards3{display:flex;flex-wrap:wrap;justify-content:center}.cam-nang-home .next.next-4>a,.cm-ds .cards3>.card{flex:0 1 calc(50% - 14px)}}
@media (max-width:640px){.cam-nang-home .next.next-4>a,.cm-ds .cards3>.card{flex-basis:100%}}
/* Bài cẩm nang chuẩn mới (mẫu 10/11/2026): ô trả lời nhanh, dòng kiểm duyệt, chỗ chờ bổ sung */
.tra-loi-nhanh{margin:0 0 18px;padding:16px 20px;background:var(--sand);border-radius:var(--r);border:1px solid rgba(201,162,78,.45)}
.prose .tra-loi-nhanh p{margin:0;color:var(--ink)}
.prose .tra-loi-nhanh .tln-nhan{margin-bottom:6px;font-size:12.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-ink)}
.prose .bai-kiem-duyet{margin:0 0 22px;font-size:14px;color:var(--muted)}
mark.can-bo-sung{background:#fff3b0;color:#5a4300;padding:1px 4px;border-radius:3px}
.can-bo-sung-o{margin:14px 0 22px;padding:12px 16px;border:2px dashed #d9b84a;border-radius:var(--r)}
.prose .can-bo-sung-o p{margin:0}
.bang-bai.bang-chu td:first-child{white-space:normal;font-weight:500;width:44%}