/* Giao diện website (dùng chung cho mọi mẫu, màu lấy từ --p, --a, --d). */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;font-size:16px;line-height:1.6;color:#0f172a;background:#fff;--soft:#f6f8fb;--line:#e5e9f0;--mut:#5b6678;--r:16px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid color-mix(in srgb,var(--p) 45%,transparent);outline-offset:2px}
.wrap{width:min(1180px,100% - 32px);margin:0 auto}
.wrap.narrow{width:min(820px,100% - 32px)}
.full{width:100%}
.center{text-align:center}
.h1{font-size:clamp(28px,4vw,44px);line-height:1.15;font-weight:800;letter-spacing:-.025em}
.h2{font-size:clamp(24px,3vw,36px);line-height:1.2;font-weight:800;letter-spacing:-.02em}
.h3{font-size:20px;font-weight:700;margin-bottom:10px}
.lead{color:var(--mut);font-size:17px;margin-top:10px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--p);margin-bottom:8px}
.sec-head{margin-bottom:34px}
.sec-head.center{text-align:center;max-width:720px;margin-left:auto;margin-right:auto}
.more{margin-top:28px}
.empty{padding:28px;border:2px dashed var(--line);border-radius:14px;text-align:center;color:var(--mut)}
.empty-big b{display:block;font-size:96px;font-weight:800;color:var(--p);line-height:1}
.empty-big .btn{margin-top:20px}

/* Nút */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:12px;border:2px solid var(--p);background:var(--p);color:#fff;font-weight:700;font-size:15px;cursor:pointer;transition:transform .18s,box-shadow .18s,background .18s,color .18s;white-space:nowrap}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 24px -12px color-mix(in srgb,var(--p) 70%,#000)}
.btn:active{transform:none;box-shadow:none}
.btn:disabled{opacity:.6;pointer-events:none}
.btn-lg{height:52px;padding:0 28px;font-size:16px;border-radius:14px}
.btn-sm{height:36px;padding:0 14px;font-size:14px;border-radius:10px}
.btn-ghost{background:transparent;color:var(--p)}
.btn-ghost:hover{background:color-mix(in srgb,var(--p) 8%,#fff)}
.btn-light{background:#fff;color:var(--d);border-color:#fff}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.pill{display:inline-flex;padding:6px 14px;border-radius:999px;background:color-mix(in srgb,var(--p) 12%,#fff);color:var(--p);font-weight:700;font-size:13px;margin-bottom:16px}

/* Thanh thông báo, đầu trang */
.ann{position:relative;background:var(--d);color:#fff;text-align:center;font-size:14px;padding:9px 44px}
.ann button{position:absolute;right:8px;top:50%;transform:translateY(-50%);border:0;background:none;color:#fff;font-size:22px;cursor:pointer;opacity:.8}
.hd{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .25s}
.hd.scrolled{box-shadow:0 10px 30px -20px rgba(15,23,42,.35)}
.hd-in{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:flex;align-items:center;gap:10px;min-width:0}
.logo-ic{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:color-mix(in srgb,var(--p) 12%,#fff);font-size:22px;flex-shrink:0}
.logo b{display:block;font-size:18px;font-weight:800;letter-spacing:-.01em;line-height:1.2}
.logo small{display:block;font-size:12px;color:var(--mut);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{padding:8px 12px;border-radius:10px;font-weight:600;font-size:15px;color:#334155}
.nav a:hover,.nav a.on{color:var(--p);background:color-mix(in srgb,var(--p) 8%,#fff)}
.nav .nav-m{display:none}
.hd-act{display:flex;align-items:center;gap:10px}
.hd-phone{display:flex;align-items:center;gap:6px;font-size:14px;color:#334155}
.hd-phone b{font-weight:700}
.cart-btn{position:relative;display:grid;place-items:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--line)}
.cart-btn i,.mbar i{position:absolute;top:-6px;right:-6px;min-width:20px;height:20px;padding:0 5px;border-radius:10px;background:var(--a);color:#fff;font-size:11px;font-style:normal;font-weight:700;display:grid;place-items:center}
.cart-btn i:empty,.cart-btn i[data-zero]{display:none}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:4px}
.burger span{display:block;width:18px;height:2px;background:#0f172a;border-radius:2px;transition:transform .25s,opacity .25s}
@media (max-width:1080px){.hd-phone{display:none}}
@media (max-width:900px){
  .burger{display:flex}
  .nav{position:fixed;inset:72px 0 auto 0;flex-direction:column;background:#fff;padding:12px 16px 20px;border-bottom:1px solid var(--line);box-shadow:0 20px 30px -20px #0004;transform:translateY(-12px);opacity:0;pointer-events:none;transition:.25s}
  .nav.open{transform:none;opacity:1;pointer-events:auto}
  .nav a{padding:12px}
  .nav .nav-m{display:block}
  .hd-cta{display:none}
  body.menu-open .burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  body.menu-open .burger span:nth-child(2){opacity:0}
  body.menu-open .burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
}

/* Khu */
.sx{position:relative}
.pad-none{padding:0}.pad-sm{padding:28px 0}.pad-md{padding:52px 0}.pad-lg{padding:84px 0}
@media (max-width:720px){.pad-lg{padding:56px 0}.pad-md{padding:40px 0}.hide-m{display:none!important}}
.bg-soft{background:var(--soft)}
.bg-primary{background:var(--p);color:#fff}
.bg-accent{background:linear-gradient(135deg,var(--a),color-mix(in srgb,var(--a) 60%,var(--p)));color:#fff}
.bg-dark{background:var(--d);color:#fff}
.bg-primary .lead,.bg-dark .lead,.bg-accent .lead{color:rgba(255,255,255,.85)}
.bg-primary .eyebrow,.bg-dark .eyebrow,.bg-accent .eyebrow{color:rgba(255,255,255,.8)}
.bg-primary .btn:not(.btn-light),.bg-accent .btn:not(.btn-light){background:#fff;color:var(--d);border-color:#fff}
.bg-dark .btn:not(.btn-light):not(.btn-ghost){background:var(--a);border-color:var(--a)}

/* Banner */
.hero{position:relative;overflow:hidden}
.hero h1{font-size:clamp(32px,5vw,56px);line-height:1.08;font-weight:800;letter-spacing:-.03em}
.hero p{font-size:18px;color:var(--mut);margin-top:16px;max-width:620px}
.hero-split{padding:72px 0;background:radial-gradient(900px 420px at 90% -10%,color-mix(in srgb,var(--p) 18%,#fff),transparent 60%),radial-gradient(700px 360px at -10% 30%,color-mix(in srgb,var(--a) 12%,#fff),transparent 60%)}
.hero-grid{display:grid;gap:48px;align-items:center}
@media (min-width:960px){.hero-grid{grid-template-columns:1.05fr .95fr}}
.hero-img img{width:100%;border-radius:24px;box-shadow:0 40px 80px -40px rgba(15,23,42,.5);animation:float 7s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-10px)}}
.hero-image{min-height:min(78vh,680px);display:flex;align-items:center;background:var(--d) center/cover no-repeat;color:#fff;padding:80px 0}
.hero-image p{color:rgba(255,255,255,.88)}
.hero-image .pill{background:rgba(255,255,255,.18);color:#fff}
.hero-image .btn-ghost{color:#fff;border-color:#fff}
.hero-image .btn-ghost:hover{background:rgba(255,255,255,.12)}
.hero-center{padding:96px 0;text-align:center;background:linear-gradient(180deg,color-mix(in srgb,var(--p) 10%,#fff),#fff)}
.hero-center p{margin-left:auto;margin-right:auto}.hero-center .btns{justify-content:center}

/* Slider */
.slider{position:relative;height:min(70vh,560px);background:var(--d);overflow:hidden}
.slide{position:absolute;inset:0;display:flex;align-items:center;background:center/cover no-repeat;opacity:0;transition:opacity .9s;color:#fff}
.slide.on{opacity:1}
.slide-tx{max-width:620px}
.slide-tx>*{opacity:0;transform:translateY(20px);transition:.7s}
.slide.on .slide-tx>*{opacity:1;transform:none}
.slide.on .slide-tx>:nth-child(2){transition-delay:.15s}.slide.on .slide-tx>:nth-child(3){transition-delay:.3s}
.slide h2{font-size:clamp(30px,5vw,56px);font-weight:800;line-height:1.1;letter-spacing:-.03em}
.slide p{font-size:18px;margin:14px 0 24px;opacity:.9}
.dots{position:absolute;left:0;right:0;bottom:22px;display:flex;justify-content:center;gap:8px}
.dots button{width:10px;height:10px;border-radius:6px;border:0;background:rgba(255,255,255,.5);cursor:pointer;transition:.3s;padding:0}
.dots button.on{width:28px;background:#fff}

/* Lưới, thẻ */
.grid{display:grid;gap:24px}
@media (min-width:640px){.g-2,.g-3,.g-4{grid-template-columns:repeat(2,1fr)}}
@media (min-width:980px){.g-3{grid-template-columns:repeat(3,1fr)}.g-4{grid-template-columns:repeat(4,1fr)}}
.feat{display:flex;gap:14px;align-items:flex-start;padding:22px;border-radius:var(--r);background:#fff;border:1px solid var(--line);transition:transform .25s,box-shadow .25s}
.feat:hover{transform:translateY(-4px);box-shadow:0 22px 40px -28px rgba(15,23,42,.35)}
.feat-ic{display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:color-mix(in srgb,var(--p) 10%,#fff);font-size:24px;flex-shrink:0}
.feat h3{font-size:16px;font-weight:700}.feat p{font-size:14px;color:var(--mut);margin-top:4px}
.bg-primary .feat,.bg-dark .feat{color:#0f172a}
.sx.pad-sm .feat{border:0;background:transparent;padding:10px 0}
.bg-soft.pad-sm .feat{background:transparent}

.cards .card,.car .card{height:100%}
.card{display:flex;flex-direction:column;border-radius:var(--r);background:#fff;border:1px solid var(--line);overflow:hidden;transition:transform .25s,box-shadow .25s;color:#0f172a}
.card:hover{transform:translateY(-5px);box-shadow:0 26px 46px -30px rgba(15,23,42,.45)}
.card-img{position:relative;display:block;aspect-ratio:4/3;overflow:hidden;background:var(--soft)}
.flow-cart .card-img{aspect-ratio:1}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.card:hover .card-img img{transform:scale(1.06)}
.badge{position:absolute;top:12px;left:12px;padding:4px 10px;border-radius:999px;background:var(--a);color:#fff;font-size:12px;font-weight:700}
.card-body{display:flex;flex-direction:column;gap:6px;padding:16px 18px 18px;flex:1}
.card-meta{font-size:12.5px;color:var(--p);font-weight:600}
.card h3{font-size:16.5px;font-weight:700;line-height:1.35}
.card p{font-size:14px;color:var(--mut);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:10px}
.price b{font-size:18px;font-weight:800;color:var(--a)}.price s{font-size:13px;color:#94a3b8;margin-left:6px}.price .free{color:var(--p)}
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:-10px 0 28px}
.chips button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 16px;font-weight:600;font-size:14px;cursor:pointer;transition:.2s}
.chips button.on{background:var(--p);color:#fff;border-color:var(--p)}
.card.hide{display:none}

/* Trượt ngang */
.car{position:relative}
.car-track{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 72px)/4);gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding:4px}
.car-track::-webkit-scrollbar{display:none}
.car-track>*{scroll-snap-align:start}
@media (max-width:980px){.car-track{grid-auto-columns:calc((100% - 24px)/2)}}
@media (max-width:560px){.car-track{grid-auto-columns:80%}}
.car-nav{position:absolute;top:40%;z-index:2;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:26px;line-height:1;cursor:pointer;box-shadow:0 8px 20px -10px #0005;color:#0f172a}
.car-nav.prev{left:-18px}.car-nav.next{right:-18px}
.car-nav:hover{background:var(--p);color:#fff}
@media (max-width:720px){.car-nav{display:none}}

/* Ảnh + chữ */
.mt{display:grid;gap:44px;align-items:center}
@media (min-width:900px){.mt{grid-template-columns:1fr 1fr}.mt-r .mt-img{order:2}}
.mt-img{overflow:hidden;border-radius:22px}
.mt-img img{width:100%;transition:transform .6s}
.mt-img:hover img{transform:scale(1.03)}
.prose{color:#334155;font-size:16.5px}
.prose>*+*{margin-top:14px}
.prose ul,.prose ol{padding-left:22px}
.prose li+li{margin-top:6px}
.prose h3{font-size:20px;color:#0f172a;margin-top:22px}
.prose img{border-radius:12px}
.prose a{color:var(--p);text-decoration:underline}
.bg-primary .prose,.bg-dark .prose{color:rgba(255,255,255,.9)}
.mt .prose{margin-top:14px}

/* Số liệu, bước, giá */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:20px;text-align:center}
.stat b{display:block;font-size:clamp(32px,4vw,46px);font-weight:800;letter-spacing:-.03em;line-height:1.1}
.stat span{opacity:.8}
.steps{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));counter-reset:s}
.step{position:relative;padding:24px;border-radius:var(--r);background:#fff;border:1px solid var(--line)}
.step span{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--p);color:#fff;font-weight:800;margin-bottom:14px}
.step h3{font-size:17px;font-weight:700}.step p{font-size:14.5px;color:var(--mut);margin-top:4px}
.plans{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));align-items:stretch}
.plan{position:relative;display:flex;flex-direction:column;padding:30px 26px;border-radius:20px;background:#fff;border:1px solid var(--line);color:#0f172a}
.plan.hot{border:2px solid var(--p);box-shadow:0 30px 60px -36px color-mix(in srgb,var(--p) 80%,#000);transform:translateY(-6px)}
.plan-tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--p);color:#fff;font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px}
.plan h3{font-size:18px;font-weight:700}
.plan-price{margin:12px 0 18px}.plan-price b{font-size:30px;font-weight:800;letter-spacing:-.02em}.plan-price span{color:var(--mut)}
.plan ul{list-style:none;padding:0;margin:0 0 24px;display:grid;gap:10px;flex:1}
.plan li::before{content:'✓';color:#16a34a;font-weight:800;margin-right:8px}

/* Đếm ngược, CTA, mã giảm giá */
.cd{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cd p{opacity:.9;margin-top:6px}
.cd-box{display:flex;gap:10px}
.cd-box div{min-width:76px;padding:12px 8px;border-radius:14px;background:rgba(255,255,255,.16);text-align:center;backdrop-filter:blur(4px)}
.cd-box b{display:block;font-size:30px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.1}
.cd-box span{font-size:12px;opacity:.85}
.bg-white .cd-box div,.bg-soft .cd-box div{background:var(--d);color:#fff}
@media (max-width:560px){.cd-box div{min-width:0;flex:1}}
.cta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta p{opacity:.88;margin-top:8px;max-width:640px}
.bg-white .cta,.bg-soft .cta{padding:40px;border-radius:24px;background:var(--d);color:#fff}
.coupon{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;padding:22px 26px;border:2px dashed var(--p);border-radius:20px;background:color-mix(in srgb,var(--p) 6%,#fff);color:#0f172a}
.coupon b{display:block;font-size:22px;font-weight:800;color:var(--p)}
.coupon-r{display:flex;gap:10px;align-items:center}
.coupon code{padding:8px 16px;border-radius:10px;background:#fff;border:1px solid var(--line);font-size:18px;font-weight:800;letter-spacing:.08em}

/* Đánh giá, đội ngũ, hỏi đáp */
.quote{margin:0;display:flex;flex-direction:column;gap:14px;padding:26px;border-radius:var(--r);background:#fff;border:1px solid var(--line);color:#0f172a;transition:transform .25s,box-shadow .25s}
.quote:hover{transform:translateY(-4px);box-shadow:0 22px 40px -28px rgba(15,23,42,.35)}
.stars{color:#f59e0b;letter-spacing:2px}.stars i{color:#e2e8f0;font-style:normal}
.quote blockquote{margin:0;font-size:15.5px;flex:1}
.quote figcaption{display:flex;gap:12px;align-items:center}
.quote small{display:block;color:var(--mut);font-size:13px}
.avatar{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:color-mix(in srgb,var(--p) 15%,#fff);color:var(--p);font-weight:800;flex-shrink:0}
.avatar.lg{width:110px;height:110px;font-size:36px;margin:0 auto 14px}
.member{text-align:center;padding:26px 18px;border-radius:var(--r);background:#fff;border:1px solid var(--line);color:#0f172a;transition:transform .25s}
.member:hover{transform:translateY(-4px)}
.member img{width:110px;height:110px;border-radius:50%;object-fit:cover;margin:0 auto 14px}
.member h3{font-size:16.5px;font-weight:700}.member small{color:var(--p);font-weight:600}.member p{font-size:14px;color:var(--mut);margin-top:8px}
.faq{display:grid;gap:12px;max-width:820px;margin:0 auto}
.faq details{border:1px solid var(--line);border-radius:14px;background:#fff;color:#0f172a;overflow:hidden}
.faq summary{list-style:none;cursor:pointer;padding:18px 52px 18px 20px;font-weight:700;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:22px;color:var(--p);transition:transform .25s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq details p{padding:0 20px 18px;color:var(--mut);animation:in .35s}
@keyframes in{from{opacity:0;transform:translateY(-6px)}}

/* Tin tức */
.post{display:flex;flex-direction:column;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:#fff;color:#0f172a;transition:transform .25s,box-shadow .25s}
.post:hover{transform:translateY(-4px);box-shadow:0 22px 40px -28px rgba(15,23,42,.4)}
.post-img{aspect-ratio:16/9;overflow:hidden;background:var(--soft)}.post-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}.post:hover .post-img img{transform:scale(1.05)}
.post-body{display:flex;flex-direction:column;gap:6px;padding:16px 18px 20px}
.post time{font-size:13px;color:var(--mut)}.post b{font-size:17px;line-height:1.4}.post-body>span{font-size:14px;color:var(--mut)}
.article time{color:var(--mut);font-size:14px}.article .h1{margin:8px 0 12px}.article .cover{width:100%;border-radius:18px;margin:24px 0}
.crumbs{font-size:14px;color:var(--mut);margin-bottom:20px}.crumbs a:hover{color:var(--p)}

/* Thư viện, video, liên hệ */
.gallery{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.gal{display:block;overflow:hidden;border-radius:14px;aspect-ratio:4/3}
.gal img{width:100%;height:100%;object-fit:cover;transition:transform .6s}.gal:hover img{transform:scale(1.07)}
.video{position:relative;padding-top:56.25%;border-radius:18px;overflow:hidden;background:#000}.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.contact{display:grid;gap:36px;align-items:start}
@media (min-width:900px){.contact{grid-template-columns:1fr 1.2fr}}
.contact-list{list-style:none;padding:0;margin:0 0 20px;display:grid;gap:16px}
.contact-list li{display:flex;gap:14px;align-items:flex-start}
.contact-list li>span{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:color-mix(in srgb,var(--p) 10%,#fff);font-size:20px;flex-shrink:0}
.contact-list small{display:block;color:var(--mut)}
.map iframe{width:100%;height:380px;border:0;border-radius:18px}
.chat-inline{display:flex;gap:10px;flex-wrap:wrap}
.chat-inline a{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:var(--c);color:#fff;font-size:14px;font-weight:600}
.chat-inline em{font-style:normal}.chat-inline span{display:none}
.news{display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.news p{opacity:.85;margin-top:6px}
.news-form{display:flex;gap:10px;flex:1;max-width:460px}
.news-form input[type=email]{flex:1;height:52px;border-radius:14px;border:0;padding:0 16px;color:#0f172a}

/* Biểu mẫu */
.form-wrap{max-width:860px;margin:0 auto}
.form{padding:30px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:0 30px 60px -44px rgba(15,23,42,.45);color:#0f172a}
.form .h2,.form .h3{color:#0f172a}
.bg-primary .form-wrap>.sec-head,.bg-dark .form-wrap>.sec-head{color:#fff}
.fields{display:grid;gap:16px;margin-bottom:20px}
@media (min-width:640px){.fields{grid-template-columns:1fr 1fr}.fld.wide{grid-column:1/-1}}
.fld{display:grid;gap:6px;font-size:14px;font-weight:600;color:#334155}
.fld i{color:#dc2626;font-style:normal}
.fld input,.fld select,.fld textarea,.coupon-in input{width:100%;min-height:48px;padding:10px 14px;border-radius:12px;border:1.5px solid var(--line);background:#fff;font-weight:400;font-size:15px;transition:border-color .2s,box-shadow .2s}
.fld textarea{resize:vertical}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:0;border-color:var(--p);box-shadow:0 0 0 4px color-mix(in srgb,var(--p) 14%,transparent)}
.fld.err input,.fld.err select,.fld.err textarea{border-color:#dc2626;box-shadow:0 0 0 4px #dc262620}
.form .btn{width:100%}
.form-note{font-size:13px;color:var(--mut);margin-top:10px;text-align:center}
.form-msg{margin-top:12px;padding:12px 14px;border-radius:12px;background:#fef2f2;color:#b91c1c;font-size:14px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.total{display:flex;align-items:baseline;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:14px 16px;border-radius:14px;background:var(--soft);margin-bottom:16px}
.total b{font-size:24px;font-weight:800;color:var(--a)}.total small{color:var(--mut);width:100%}

/* Chi tiết */
.detail{display:grid;gap:44px;align-items:start}
@media (min-width:900px){.detail{grid-template-columns:1.1fr 1fr}}
.d-img{position:relative;border-radius:24px;overflow:hidden;background:var(--soft)}
.d-img img{width:100%;aspect-ratio:4/3;object-fit:cover}
.flow-cart .d-img img{aspect-ratio:1}
.d-info .h1{margin-bottom:8px}
.d-price{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin:20px 0}
.d-price b{font-size:34px;font-weight:800;color:var(--a);letter-spacing:-.02em}.d-price s{color:#94a3b8;font-size:18px}.d-price .badge{position:static}.d-price small{color:var(--mut)}
.d-meta{list-style:none;padding:0;margin:20px 0;display:grid;gap:0;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.d-meta li{display:flex;justify-content:space-between;gap:12px;padding:12px 16px;font-size:15px}
.d-meta li+li{border-top:1px solid var(--line)}.d-meta span{color:var(--mut)}
.d-trust{list-style:none;padding:0;margin:20px 0 0;color:#15803d;font-size:14px;display:grid;gap:6px}
.buy-opts{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px}
.buy-opts .fld{min-width:140px}
.qty{display:flex;border:1.5px solid var(--line);border-radius:12px;overflow:hidden;width:max-content}
.qty button{width:44px;border:0;background:var(--soft);font-size:20px;cursor:pointer}
.qty input{width:56px;border:0;text-align:center;min-height:46px;-moz-appearance:textfield}
.qty input::-webkit-inner-spin-button{-webkit-appearance:none}
.card-like{padding:30px;border-radius:20px;background:#fff;border:1px solid var(--line)}

/* Giỏ hàng & thanh toán */
.checkout{display:grid;gap:28px;align-items:start;margin-top:24px}
@media (min-width:980px){.checkout{grid-template-columns:1.2fr 1fr}.co-form{position:sticky;top:96px}}
.cart-row{display:grid;grid-template-columns:72px 1fr auto;gap:14px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}
.cart-row img{width:72px;height:72px;border-radius:12px;object-fit:cover}
.cart-row b{display:block;font-size:15px}.cart-row small{color:var(--mut)}
.cart-row .qty input{min-height:36px;width:44px}.cart-row .qty button{width:34px}
.cart-row .rm{border:0;background:none;color:#dc2626;cursor:pointer;font-size:13px;margin-top:6px}
.cart-empty{padding:40px;text-align:center;border:2px dashed var(--line);border-radius:18px}
.cart-empty .btn{margin-top:14px;width:auto}
.coupon-in{display:flex;gap:8px;margin-bottom:16px}
.coupon-in .btn{width:auto}
.pay{display:grid;gap:10px;margin-bottom:16px}
.radio{display:flex;gap:10px;align-items:center;padding:14px;border:1.5px solid var(--line);border-radius:12px;cursor:pointer;font-size:15px}
.radio:has(input:checked){border-color:var(--p);background:color-mix(in srgb,var(--p) 6%,#fff)}
.radio input{accent-color:var(--p);width:18px;height:18px}
.sum{display:grid;gap:8px;padding:16px;border-radius:14px;background:var(--soft);margin-bottom:16px;font-size:15px}
.sum div{display:flex;justify-content:space-between}.sum .tot{font-size:20px;font-weight:800;padding-top:8px;border-top:1px dashed #cbd5e1}.sum .tot b{color:var(--a)}

/* Theo dõi đơn */
.track{padding:30px;border-radius:24px;border:1px solid var(--line);background:#fff;box-shadow:0 30px 60px -44px rgba(15,23,42,.4)}
.track-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:22px}
.track-head small{color:var(--mut);font-weight:600}.track-head p{color:var(--mut);font-size:14px}
.st{display:inline-flex;padding:6px 12px;border-radius:999px;font-size:13px;font-weight:700;white-space:nowrap}
.st-amber{background:#fef3c7;color:#92400e}.st-blue{background:#dbeafe;color:#1e40af}.st-green{background:#dcfce7;color:#166534}.st-violet{background:#ede9fe;color:#5b21b6}.st-gray{background:#f1f5f9;color:#475569}.st-red{background:#fee2e2;color:#991b1b}
.track-steps{list-style:none;padding:0;margin:0 0 24px;display:flex;gap:6px}
.track-steps li{flex:1;text-align:center;font-size:13px;color:var(--mut);position:relative}
.track-steps li span{display:grid;place-items:center;width:34px;height:34px;margin:0 auto 6px;border-radius:50%;background:var(--soft);font-weight:700;position:relative;z-index:1}
.track-steps li::before{content:'';position:absolute;top:17px;left:-50%;right:50%;height:3px;background:var(--soft)}
.track-steps li:first-child::before{display:none}
.track-steps li.on{color:#0f172a;font-weight:600}.track-steps li.on span{background:var(--p);color:#fff}.track-steps li.on::before{background:var(--p)}
.track-items{width:100%;border-collapse:collapse;margin-bottom:20px;font-size:15px}
.track-items td{padding:10px 0;border-bottom:1px solid var(--line)}.track-items .r{text-align:right}.track-items .tot td{font-weight:800;font-size:18px;border:0}
.timeline{list-style:none;padding:0;margin:0;display:grid;gap:14px;border-left:2px solid var(--line);padding-left:18px}
.timeline li{position:relative}.timeline li::before{content:'';position:absolute;left:-25px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--p)}
.timeline time{display:block;font-size:13px;color:var(--mut)}.timeline p{font-size:14px;color:#334155}
.bank{display:flex;gap:18px;align-items:center;flex-wrap:wrap;padding:18px;border-radius:16px;background:color-mix(in srgb,var(--p) 6%,#fff);border:1px solid color-mix(in srgb,var(--p) 25%,#fff);margin:0 0 20px;text-align:left}
.bank img{width:150px;border-radius:12px;background:#fff}
.bank ul{list-style:none;padding:0;margin:8px 0 0;font-size:14.5px;display:grid;gap:4px}

/* Chân trang */
.ft{background:#0b1220;color:#cbd5e1;padding:64px 0 0;margin-top:0}
.ft-grid{display:grid;gap:32px}
@media (min-width:900px){.ft-grid{grid-template-columns:1.4fr 1fr 1fr 1.4fr}}
.ft .logo b{color:#fff}.ft .logo-ic{background:rgba(255,255,255,.08)}
.ft p{margin:14px 0;font-size:14.5px;max-width:320px}
.ft h4{color:#fff;font-size:15px;margin:0 0 14px}
.ft ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;font-size:14.5px}
.ft a:hover{color:#fff}
.ft-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:44px;padding:20px 0;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:#94a3b8}

/* Nút chat nổi & thanh mobile */
.chat{position:fixed;right:18px;bottom:22px;z-index:60;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.chat a{position:relative;display:flex;align-items:center}
.chat a span{display:grid;place-items:center;width:52px;height:52px;border-radius:50%;background:var(--c);color:#fff;font-size:22px;box-shadow:0 10px 24px -8px rgba(0,0,0,.4);transition:transform .2s}
.chat a:hover span{transform:scale(1.08)}
.chat a:first-child span{animation:ring 1.8s infinite}
@keyframes ring{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--c) 60%,transparent)}80%,100%{box-shadow:0 0 0 16px transparent}}
.chat em{position:absolute;right:62px;white-space:nowrap;font-style:normal;font-size:13px;font-weight:600;background:#0f172a;color:#fff;padding:6px 10px;border-radius:8px;opacity:0;pointer-events:none;transition:.2s}
.chat a:hover em{opacity:1}
.zalo{font-size:12px;font-weight:800;font-family:Arial,sans-serif}
.totop{width:42px;height:42px;border-radius:50%;border:0;background:#334155;color:#fff;font-size:18px;cursor:pointer;opacity:0;pointer-events:none;transition:.25s}
body.scrolled .totop{opacity:1;pointer-events:auto}
.mbar{display:none}
@media (max-width:720px){
  .mbar{position:fixed;left:0;right:0;bottom:0;z-index:55;display:flex;background:#fff;border-top:1px solid var(--line);box-shadow:0 -10px 30px -20px #0006;padding-bottom:env(safe-area-inset-bottom)}
  .mbar a{position:relative;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;height:60px;font-size:11.5px;font-weight:600;color:#334155}
  .mbar a span{font-size:18px;line-height:1}.mbar .zalo{color:#0068ff;font-size:13px}
  .mbar a.main{background:var(--a);color:#fff}
  .mbar i{top:4px;right:calc(50% - 26px)}
  body{padding-bottom:60px}
  .chat{bottom:76px}.chat a:not(:first-child){display:none}
}

/* Hộp thoại, thông báo nhỏ */
.modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:16px;background:rgba(2,6,23,.55);animation:fade .2s}
.modal[hidden]{display:none}
@keyframes fade{from{opacity:0}}
.modal-box{position:relative;width:min(520px,100%);max-height:calc(100vh - 32px);overflow:auto;border-radius:24px;background:#fff;padding:32px;animation:pop .3s cubic-bezier(.2,1.3,.4,1)}
@keyframes pop{from{transform:translateY(20px) scale(.95);opacity:0}}
.modal-x{position:absolute;top:12px;right:12px;width:36px;height:36px;border-radius:50%;border:0;background:var(--soft);font-size:22px;cursor:pointer}
.ok-ic{display:grid;place-items:center;width:72px;height:72px;margin:0 auto 16px;border-radius:50%;background:#dcfce7;color:#16a34a;font-size:36px;animation:pop .45s cubic-bezier(.2,1.5,.4,1)}
.ok-code{display:inline-block;margin:10px 0;padding:8px 16px;border-radius:12px;background:var(--soft);font-weight:800;font-size:22px;letter-spacing:.04em}
.modal .btns{justify-content:center}
.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);z-index:120;background:#0f172a;color:#fff;padding:12px 18px;border-radius:12px;font-size:14.5px;box-shadow:0 20px 40px -20px #0008;animation:pop .3s}
.lightbox{position:fixed;inset:0;z-index:110;background:rgba(2,6,23,.9);display:grid;place-items:center;padding:20px;cursor:zoom-out;animation:fade .2s}
.lightbox img{max-height:90vh;border-radius:12px}

/* Hiệu ứng xuất hiện */
.js [data-anim]{opacity:0;transition:opacity .8s cubic-bezier(.2,.65,.3,1),transform .8s cubic-bezier(.2,.65,.3,1)}
.js [data-anim=up]{transform:translateY(32px)}
.js [data-anim=zoom]{transform:scale(.95)}
.js [data-anim].in{opacity:1;transform:none}
.js [data-anim] .grid>*,.js [data-anim] .steps>*,.js [data-anim] .plans>*{opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}
.js [data-anim].in .grid>*,.js [data-anim].in .steps>*,.js [data-anim].in .plans>*{opacity:1;transform:none}
.js [data-anim].in .grid>:nth-child(2),.js [data-anim].in .steps>:nth-child(2),.js [data-anim].in .plans>:nth-child(2){transition-delay:.1s}
.js [data-anim].in .grid>:nth-child(3),.js [data-anim].in .steps>:nth-child(3),.js [data-anim].in .plans>:nth-child(3){transition-delay:.2s}
.js [data-anim].in .grid>:nth-child(4),.js [data-anim].in .steps>:nth-child(4){transition-delay:.3s}
.js [data-anim].in .grid>:nth-child(n+5){transition-delay:.4s}
.js [data-anim].done .grid>*,.js [data-anim].done .steps>*,.js [data-anim].done .plans>*{transition:transform .25s,box-shadow .25s;transition-delay:0s}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.js [data-anim],.js [data-anim] *{opacity:1!important;transform:none!important;transition:none!important;animation:none!important}}

/* Trình dựng (xem trước) */
.bx{position:relative;outline:2px solid transparent;outline-offset:-2px;transition:outline-color .15s}
.bx:hover{outline-color:color-mix(in srgb,var(--p) 55%,transparent)}
.bx.sel{outline:3px solid var(--p)}
.bx-bar{position:absolute;top:8px;right:8px;z-index:20;display:none;align-items:center;gap:2px;padding:4px;border-radius:10px;background:#0f172a;color:#fff;font-size:12.5px;box-shadow:0 10px 24px -10px #000}
.bx:hover .bx-bar,.bx.sel .bx-bar{display:flex}
.bx-bar b{padding:0 8px;font-weight:600}
.bx-bar button,.bx-handle{width:28px;height:28px;border:0;border-radius:7px;background:transparent;color:#fff;cursor:pointer;display:grid;place-items:center;font-size:14px}
.bx-bar button:hover{background:rgba(255,255,255,.15)}
.bx-handle{cursor:grab;font-size:16px}
.bx-ghost{opacity:.35}
.builder-mode [data-anim]{opacity:1!important;transform:none!important}
.builder-mode .chat,.builder-mode .mbar{display:none}