:root{
  --g100:#EEF5E8; --g200:#D9EACA; --g300:#A8D08D; --g400:#AFD596; --g600:#4C8C2B; --g700:#3D7222; --g800:#2E5E1A; --g900:#1F4210;
  --gold:#C9A24D; --gold-ink:#8A6E32;
  --white:#FFFFFF; --bg-xam:#F5F5F5; --ink:#2B2B2B; --ink-2:#4A4A4A; --muted:#5A5A5A;
  --danger:#B94444; --danger-bg:#F9EDED;
  --on-dark:#E4EFDA; --on-dark-2:#C9DDB8;
  --r:16px; --r-in:10px; --pill:999px;
  --f-head:"Montserrat","Segoe UI",system-ui,sans-serif;
  --f-body:"Inter","Segoe UI",system-ui,sans-serif;
  --sh:0 2px 16px rgba(44,94,26,.08);
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:12px}
html,body{background:var(--white);color:var(--ink)}
body{margin:0;font-family:var(--f-body);font-size:17px;line-height:1.6;overflow-x:hidden}
img{max-width:100%}
a{color:var(--g700)}
a:hover{color:var(--g800)}
b,strong{font-weight:600}
[hidden]{display:none!important}
h1,h2,h3{margin:0;font-family:var(--f-head);color:var(--g900)}
h2{font-weight:800;font-size:clamp(28px,3.2vw,40px);line-height:1.2}
h2.h2-nho{font-size:clamp(26px,3vw,36px)}
h3{font-size:19px;line-height:1.3}
p{margin:0}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.wrap-hep{max-width:860px}
.muted{color:var(--ink-2)}
.chu-thich{font-size:15px;color:var(--ink-2)}
.lede-nho{font-size:18px;color:var(--ink)}
.eyebrow{font-size:14px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--g700)}
.eyebrow-vang{font-size:15px;color:var(--gold)}
.eyebrow-xanh{color:var(--g400)}
.nho-hoa{font-size:13px;font-weight:600;letter-spacing:1px;text-transform:uppercase}
.vang-dam{font-weight:700;color:var(--gold-ink)}
.stack-12,.stack-14,.stack-20,.stack-24,.stack-32,.stack-40{display:flex;flex-direction:column}
.stack-12{gap:12px}.stack-14{gap:14px}.stack-20{gap:20px}.stack-24{gap:24px}.stack-32{gap:32px}.stack-40{gap:40px}
.sec{padding:88px 0}
.sec-trang{background:var(--white)}
.sec-xam{background:var(--bg-xam)}
.sec-xanh-nhat{background:var(--g100)}
.sec-toi{background:var(--g900);color:var(--white)}
.sec-lich{padding-bottom:40px}
.sec-hoi-dap{padding:48px 0 88px}
.sec-dau{display:flex;flex-direction:column;gap:12px;max-width:760px}
.ico{flex:0 0 22px;margin-top:3px}

/* Nút */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border-radius:var(--pill);
  font:700 16px var(--f-body);text-decoration:none;border:1.5px solid transparent;cursor:pointer;text-align:center}
.btn-nho{font-size:15px}
.btn-lon{min-height:56px;padding:0 32px;font-size:18px}
.btn-vang{background:var(--gold);color:var(--g900)}
.btn-vang:hover{color:var(--g900);filter:brightness(1.06)}
.btn-vien{border-color:rgba(255,255,255,.6);color:var(--white);font-weight:600;padding:0 28px}
.btn-vien:hover{color:var(--white);background:rgba(255,255,255,.1)}
.btn-xanh{background:var(--g700);color:var(--white)}
.btn-xanh:hover{color:var(--white);background:var(--g800)}
.btn:disabled{opacity:.6;cursor:progress}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--gold);outline-offset:2px}

/* Thanh trên */
.topbar{background:var(--g900);border-top:4px solid var(--gold)}
.topbar-in{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding-block:14px}
.logo{height:40px;width:auto;display:block}
.nav{display:flex;flex-wrap:wrap;align-items:center;gap:4px 20px;font-size:15px;font-weight:600}
.nav a{color:var(--white);text-decoration:none;display:inline-flex;align-items:center;min-height:44px}
.nav a.btn{color:var(--g900)}

/* Hero */
.hero{background:var(--g900);color:var(--white)}
.hero-in{display:flex;flex-wrap:wrap;align-items:center;gap:48px;padding-block:56px 72px}
.hero-chu{flex:999 1 520px;min-width:0;display:flex;flex-direction:column;gap:24px}
.hero h1{color:var(--white);font-weight:800;font-size:clamp(30px,4.4vw,52px);line-height:1.12;letter-spacing:-.5px}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:13px;font-weight:600;letter-spacing:1px;text-transform:uppercase;border-radius:var(--pill);padding:6px 14px}
.tag-sang{color:var(--g900);background:var(--g400)}
.tag-vien{color:var(--white);border:1px solid rgba(255,255,255,.4)}
.hero-lede{font-size:clamp(18px,1.6vw,21px);line-height:1.5;color:var(--on-dark);max-width:60ch}
.nut-hang{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.hero-ghi-chu{font-size:15px;color:var(--on-dark-2)}
.hero-anh{flex:1 1 300px;max-width:380px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.hero-anh img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:top;border-radius:var(--r);display:block;border:4px solid var(--gold)}
.hero-anh figcaption{display:flex;flex-direction:column;gap:2px}
.hero-anh strong{font-family:var(--f-head);font-size:18px}
.hero-anh figcaption span{font-size:14px;color:var(--on-dark-2)}

/* Dải nhanh */
.dai-nhanh{background:var(--g100);border-bottom:1px solid var(--g200)}
.dai-nhanh-in{display:flex;flex-wrap:wrap;gap:16px 40px;justify-content:space-between;padding-block:24px}
.qk{flex:1 1 220px;display:flex;gap:12px;align-items:center;color:var(--g700)}
.qk span{color:var(--ink)}

/* Thẻ, lưới */
.luoi{display:grid;gap:20px}
.luoi-240{grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr))}
.luoi-250{grid-template-columns:repeat(auto-fit,minmax(min(250px,100%),1fr))}
.luoi-340{grid-template-columns:repeat(auto-fit,minmax(min(340px,100%),1fr))}
.card{border-radius:var(--r);padding:28px;display:flex;flex-direction:column;gap:12px}
.card p{font-size:16px;color:var(--ink-2)}
.card-xam{background:var(--bg-xam);color:var(--g700)}
.card-trang{background:var(--white);gap:10px}
.so-lon{font-family:var(--f-head);font-weight:800;font-size:32px;color:var(--gold);line-height:1}
.so-lon.xanh{font-size:40px;color:var(--g700)}

/* Trước / sau */
.truoc-sau{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.truoc-sau figure{flex:1 1 300px;margin:0;display:flex;flex-direction:column;gap:8px}
.truoc-sau img{width:100%;height:auto;display:block;border-radius:var(--r);background:var(--white)}
.truoc-sau figcaption{font-size:15px;color:var(--ink-2)}
.truoc-sau figcaption strong{color:var(--ink)}
.mui-ten{flex:0 0 40px;margin:0 auto;color:var(--g700)}

/* Lộ trình */
.mods{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr));gap:16px}
.mod{border:1px solid var(--g200);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}
.mod-dau{background:var(--g800);color:var(--white);padding:18px 22px;display:flex;flex-direction:column;gap:2px}
.mod-dau .nho-hoa{color:var(--g400)}
.mod-dau strong{font-family:var(--f-head);font-size:20px}
.mod-than{padding:20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.mod-than p{font-size:16px;color:var(--ink-2)}
.mod-than .mod-hoi{font-style:italic;color:var(--g800);font-weight:600}
.mod-than .mod-ra{margin-top:auto;padding-top:12px;border-top:1px solid var(--g100);font-size:15px;color:var(--ink)}
.thang-ba{background:var(--g900);color:var(--white);border-radius:var(--r);padding:28px 32px;display:flex;flex-wrap:wrap;gap:16px 32px;align-items:center}
.thang-ba-dau{flex:1 1 200px;display:flex;flex-direction:column;gap:4px}
.thang-ba-dau .nho-hoa{color:var(--g400)}
.thang-ba-dau strong{font-family:var(--f-head);font-size:22px}
.thang-ba p{flex:999 1 420px;color:var(--on-dark)}

/* Ba con số */
.hai-cot{display:flex;flex-wrap:wrap;gap:40px;align-items:center;padding-block:0}
.sec-xanh-nhat .hai-cot{padding-block:0}
.cot-chu{flex:1 1 340px}
.so-luoi{flex:1 1 420px;display:flex;flex-wrap:wrap;gap:16px}
.so-the{flex:1 1 140px;background:var(--white);border-radius:var(--r);padding:24px;display:flex;flex-direction:column;gap:6px;text-align:center}
.so-the strong{font-size:17px}
.so-the span:last-child{font-size:15px;color:var(--ink-2)}
section[data-section="ba-con-so"]{padding:80px 0}

/* Người dẫn */
.nguoi-chinh{display:flex;flex-wrap:wrap;gap:40px;align-items:center}
.nguoi-chinh img{flex:0 1 320px;width:320px;max-width:100%;aspect-ratio:4/5;object-fit:cover;object-position:top;border-radius:var(--r);display:block}
.nguoi-chinh>div{flex:999 1 420px}
.doi-ngu{display:flex;flex-direction:column;gap:12px}
.doi-ngu h3{font-weight:800;font-size:clamp(22px,2.4vw,28px)}
.the-luoi{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr));gap:20px;margin-top:12px}
.the-nguoi{background:var(--white);border-radius:var(--r);padding:28px;display:flex;flex-direction:column;gap:14px}
.the-nguoi img{width:96px;height:96px;object-fit:cover;border-radius:var(--pill);display:block}
.the-ten{display:flex;flex-direction:column;gap:4px}
.the-ten strong{font-family:var(--f-head);font-weight:700;font-size:20px;color:var(--g900)}
.the-vai{font-size:16px;color:var(--ink)}
.the-module{font-size:14px;color:var(--muted)}

/* Phù hợp */
.hop{border-radius:var(--r);padding:32px;display:flex;flex-direction:column;gap:16px}
.hop h3{font-size:20px}
.hop-co{background:var(--g100)}
.hop-co .ico{color:var(--g700)}
.hop-khong{background:var(--bg-xam)}
.hop-khong h3{color:var(--ink)}
.hop-khong .ico{color:var(--muted)}
.ds{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.ds li{display:flex;gap:12px}
.ds-sang{gap:14px;color:var(--on-dark)}
.ds-sang strong{color:var(--white)}
.ds-sang .ico{color:var(--gold)}

/* Offer */
.sec-toi h2{color:var(--white)}
.offer-in{display:flex;flex-wrap:wrap;gap:40px;align-items:flex-start}
.offer-chu{flex:999 1 460px}
.offer-the{flex:1 1 320px;background:var(--white);color:var(--ink);border-radius:20px;padding:32px;display:flex;flex-direction:column;gap:18px;border-top:6px solid var(--gold)}
.offer-so{font-family:var(--f-head);font-size:36px;line-height:1.1;color:var(--g900)}
.offer-the p{color:var(--ink-2)}
.dl{margin:0;display:flex;flex-direction:column;gap:10px;font-size:16px}
.dl div{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--g100);padding-bottom:10px}
.dl div:last-child{border-bottom:0;padding-bottom:0}
.dl dt{color:var(--muted)}
.dl dd{margin:0;font-weight:700;text-align:right}

/* Lịch */
.bang-cuon{overflow-x:auto;border:1px solid var(--g200);border-radius:var(--r)}
table{width:100%;min-width:560px;border-collapse:collapse;font-size:16px}
th{background:var(--g100);text-align:left;padding:14px 20px}
td{padding:12px 20px;border-top:1px solid var(--g100)}

/* Hỏi đáp */
details{border:1px solid var(--g200);border-radius:12px;padding:18px 22px}
summary{font-weight:700;cursor:pointer;min-height:28px}
details p{margin-top:12px;color:var(--ink-2)}

/* Đăng ký */
.dk-in{display:flex;flex-wrap:wrap;gap:40px;align-items:flex-start}
.dk-chu{flex:1 1 320px}
.buoc-dk{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:16px}
.buoc-dk li{display:flex;gap:16px;align-items:flex-start}
.buoc-dk li>span:last-child{padding-top:7px}
.so-tron{flex:0 0 40px;height:40px;border-radius:var(--pill);background:var(--g900);color:var(--white);display:inline-flex;align-items:center;justify-content:center;font-weight:700}
.chu-thich a{display:inline-flex;align-items:center;min-height:44px}
.dk-form{flex:999 1 460px;min-width:0;background:var(--white);border-radius:20px;padding:32px;display:flex;flex-direction:column;gap:18px;box-shadow:var(--sh)}
.hang-2{display:flex;flex-wrap:wrap;gap:16px}
.hang-2>.row{flex:1 1 220px}
.row{display:flex;flex-direction:column;gap:8px;border:0;margin:0;padding:0;min-width:0}
.dk-form legend,.dk-form .lab{font-weight:600;font-size:15px;padding:0;margin-bottom:4px}
.opt-note{font-weight:400;color:var(--muted);font-size:14px}
.dk-form input[type=text],.dk-form input[type=tel],.dk-form input[type=email],.dk-form textarea{
  width:100%;min-height:48px;font:400 16px var(--f-body);color:var(--ink);background:var(--white);
  border:1.5px solid var(--g300);border-radius:var(--r-in);padding:10px 14px}
.dk-form textarea{min-height:96px;resize:vertical}
.opts{display:grid;gap:8px;grid-template-columns:minmax(0,1fr)}
.opt{display:flex;align-items:center;gap:10px;min-height:48px;padding:8px 14px;border:1.5px solid var(--g200);border-radius:var(--r-in);cursor:pointer;font-size:16px}
.opt input{width:22px;height:22px;flex:none;accent-color:var(--g700);margin:0}
.opt:has(input:checked){border-color:var(--g600);background:var(--g100)}
.consent{align-items:flex-start;background:var(--g100);border-color:transparent;font-size:14px;line-height:1.5;padding:14px}
.consent input{margin-top:2px}
.consent a{display:inline;min-height:0}
.them{border:0;border-top:1px solid var(--g100);border-radius:0;padding:14px 0 0}
.them summary{font-weight:600;color:var(--g700);display:flex;align-items:center;min-height:44px}
.them-than{display:flex;flex-direction:column;gap:18px;margin-top:12px}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-errors{color:var(--danger);background:var(--danger-bg);border-radius:var(--r-in);padding:12px 16px;font-size:14px}
.form-errors:empty{display:none}
.field-error{margin:0;color:var(--danger);font-size:14px}
[aria-invalid="true"]{border-color:var(--danger)!important}
.form-ghi-chu{font-size:14px;color:var(--muted);text-align:center}
.dk-form button[type=submit]{width:100%}

/* Chân trang */
.foot{background:var(--white);border-top:1px solid var(--g200)}
.foot-in{display:flex;flex-wrap:wrap;gap:16px 32px;align-items:center;justify-content:space-between;padding-block:32px;font-size:14px;color:var(--muted)}
.foot-chu{flex:1 1 360px;max-width:640px;display:flex;flex-direction:column;gap:6px}
.foot-chu a{display:inline-flex;align-items:center;min-height:44px}

/* Banner đồng ý cookie */
.consent-banner{position:fixed;left:16px;right:16px;bottom:16px;z-index:20;max-width:720px;margin-inline:auto;display:grid;gap:12px;
  background:var(--white);border:1px solid var(--g300);border-radius:var(--r-in);box-shadow:0 4px 24px rgba(31,66,16,.25);padding:16px;font-size:14px;line-height:1.5}
.consent-actions{display:flex;flex-wrap:wrap;gap:8px}
.consent-actions button{min-height:44px;min-width:96px;font:600 16px var(--f-body);border-radius:var(--pill);padding:8px 20px;cursor:pointer;
  border:1.5px solid var(--g700);background:var(--white);color:var(--g700)}
.consent-actions .primary{background:var(--g700);color:var(--white)}

/* Trang phụ (cảm ơn, chính sách) */
.simple{max-width:760px;margin:0 auto;padding:24px 16px 48px;display:block}
.simple .back{display:inline-flex;align-items:center;min-height:44px;margin-bottom:8px}
.simple h1{font-weight:800;font-size:clamp(28px,4vw,40px);line-height:1.2;margin:8px 0 16px}
.simple h2{font-size:22px;margin-top:28px;margin-bottom:8px}
.crumb{display:block;font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--g700)}
.lede{font-size:18px;line-height:1.5;color:var(--ink);max-width:64ch}
.plain{margin-block:8px 24px;padding-left:20px}
.plain li{margin-bottom:8px}
.buoc{counter-reset:b;list-style:none;padding:0;margin-block:16px;display:grid;gap:12px}
.buoc li{counter-increment:b;display:grid;grid-template-columns:44px minmax(0,1fr);gap:12px;align-items:start;background:var(--g100);border-radius:var(--r-in);padding:16px;font-size:16px}
.buoc li::before{content:counter(b);font-family:var(--f-head);font-size:22px;font-weight:800;color:var(--g700)}
.zalo-alt{margin:8px 0 24px}
.zalo-alt a{display:inline-flex;align-items:center;min-height:44px}
.simple p a{display:inline-flex;align-items:center;min-height:44px}

/* Điểm ngắt */
@media (min-width:600px){
  .opts-2{grid-template-columns:repeat(2,minmax(0,1fr))}
  .opts-3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .opts-4{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media (max-width:599px){
  .opts-4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .sec{padding:56px 0}
  .sec-hoi-dap{padding:32px 0 56px}
  .hero-in{padding-block:40px 48px;gap:32px}
  .topbar-in{justify-content:center}
  .nav{justify-content:center}
  .btn-lon{width:100%;padding:0 20px}
  .dk-form{padding:20px}
  .offer-the{padding:24px}
  .thang-ba{padding:24px 20px}
  .hop{padding:24px}
  .dl div{flex-direction:column;gap:2px}
  .dl dd{text-align:left}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.consent-banner,.topbar{display:none!important}}