/* Giao diện chung của mọi trang bán hàng dựng từ dữ liệu (trang mẫu + trang thật của khách) */
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--fb),'Be Vietnam Pro',system-ui,sans-serif;line-height:1.65;font-size:16px}
h1,h2,h3{font-family:var(--fh),Georgia,serif;line-height:1.2;margin:0;text-wrap:balance}
img{max-width:100%}
.wrap{max-width:1080px;margin:0 auto;padding-inline:16px}
.kho-bar{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;justify-content:space-between;background:#16161d;color:#f3f1ec;font:600 13.5px/1.4 system-ui,sans-serif;padding:9px 16px}
.kho-bar a{color:#f3f1ec;text-decoration:none}
.kho-bar .gia{color:#ffd36b}
.kho-bar .dk{background:#ffd36b;color:#1d1606;border-radius:999px;padding:7px 14px;font-weight:800}
.thu .kho-bar,.thu .float{display:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 26px;border-radius:var(--r);background:var(--p);color:var(--on);font-weight:700;text-decoration:none;border:0;font:inherit;font-weight:700;cursor:pointer}
section{padding-block:60px}
.sec-t{text-align:center;margin-bottom:30px}.sec-t h2{font-size:clamp(1.7rem,5vw,2.5rem)}
.nhan{display:inline-block;font-size:.8rem;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;background:var(--p);color:var(--on);padding:6px 14px;border-radius:999px;margin-bottom:16px}
.hero{background:linear-gradient(160deg,var(--bg2),var(--bg));padding-block:56px 64px}
.hero .in{display:grid;gap:32px;align-items:center}
.hero h1{font-size:clamp(2rem,6vw,3.3rem)}
.hero p{color:var(--muted);font-size:1.1rem;max-width:34em}
.hero .nut{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.hinh{aspect-ratio:1/1;max-width:100%;border-radius:calc(var(--r)*1.4);background:radial-gradient(circle at 30% 25%,var(--p2),var(--p));display:grid;place-items:center;font-size:clamp(5rem,18vw,9rem);box-shadow:0 30px 60px -25px var(--p);position:relative;overflow:hidden}
.hinh img.that{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.hinh small{position:absolute;bottom:12px;left:0;right:0;text-align:center;font:600 12px system-ui;color:#fff;opacity:.85}
.hero.giua{text-align:center}.hero.giua p{margin-inline:auto}.hero.giua .nut{justify-content:center}.hero.giua .hinh{display:none}
@media(min-width:780px){.hero.chia .in{grid-template-columns:1.25fr 1fr}.hero.sach .in{grid-template-columns:1fr 1.2fr}}
.hero.sach .bia{aspect-ratio:3/4;max-width:300px;width:100%;margin-inline:auto;border-radius:4px 14px 14px 4px;background:linear-gradient(135deg,var(--p),var(--ink));color:#fff;display:flex;flex-direction:column;justify-content:space-between;padding:30px 24px;box-shadow:-10px 18px 40px -12px rgba(0,0,0,.45),inset 8px 0 0 rgba(255,255,255,.12);position:relative;overflow:hidden}
.hero.sach .bia b{font-family:var(--fh),serif;font-size:2.2rem;line-height:1.1}
.hero.sach .bia span{font-size:3.5rem}
.hero.sach .bia img.that{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.luoi{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
.the{background:var(--card);border-radius:var(--r);padding:24px;box-shadow:0 12px 30px -16px rgba(0,0,0,.18)}
.the .ic{font-size:2.2rem}.the .ic img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:calc(var(--r)*.7);display:block}
.the h3{font-size:1.2rem;margin:.4em 0 .3em}.the p{margin:0;color:var(--muted);font-size:.95rem}
.gia{font-weight:800;color:var(--p);font-size:1.25rem;margin-top:12px}
.gia s{color:var(--muted);font-weight:400;font-size:.9rem;margin-left:6px}
.buoc{counter-reset:b}.buoc .the{position:relative;padding-top:52px}
.buoc .the::before{counter-increment:b;content:counter(b);position:absolute;top:18px;left:24px;width:28px;height:28px;border-radius:50%;background:var(--p);color:var(--on);display:grid;place-items:center;font-weight:800;font-size:.9rem}
.nen2{background:var(--bg2)}
.cn{font-style:italic}.cn b{display:block;font-style:normal;margin-top:10px;color:var(--p)}
.hd details{background:var(--card);border-radius:var(--r);padding:16px 20px;margin-bottom:10px;box-shadow:0 6px 18px -12px rgba(0,0,0,.2)}
.hd summary{font-weight:700;cursor:pointer}
.gt{display:grid;gap:24px;align-items:center;max-width:860px;margin:auto}
@media(min-width:700px){.gt{grid-template-columns:220px 1fr}}
.gt .hinh{max-width:220px;font-size:6rem}
.dn{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.dn div{background:var(--ink);color:var(--bg);border-radius:var(--r);min-width:84px;padding:16px 10px;text-align:center}
.dn b{display:block;font-size:2rem;font-variant-numeric:tabular-nums}
.ml{max-width:640px;margin:auto;padding:0;list-style:none;counter-reset:m}
.ml li{counter-increment:m;display:flex;gap:16px;padding:14px 0;border-bottom:1px solid var(--bg2);font-size:1.08rem}
.ml li::before{content:counter(m,decimal-leading-zero);color:var(--p);font-weight:800;font-variant-numeric:tabular-nums}
.trich{max-width:680px;margin:auto;font-family:var(--fh),serif;font-size:1.45rem;line-height:1.5;text-align:center;color:var(--ink)}
.ts{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:700px;margin:auto}
.ts .the{text-align:center}.ts .o{aspect-ratio:4/3;border-radius:calc(var(--r)*.7);margin-bottom:12px;background:linear-gradient(135deg,#b9b0a8,#8d837b)}
.ts .the:last-child .o{background:linear-gradient(135deg,var(--p2),#fff3ea)}
.form{max-width:560px;margin:auto;background:var(--card);border-radius:var(--r);padding:28px;box-shadow:0 20px 50px -24px rgba(0,0,0,.3);display:grid;gap:12px}
.form input,.form textarea{font:inherit;padding:13px 14px;border-radius:calc(var(--r)*.6 + 4px);border:1.5px solid var(--bg2);background:var(--bg);color:var(--ink)}
.form .ok{display:none;text-align:center;color:var(--p);font-weight:700}
.form .loi-f{color:#c0392b;font-weight:600;font-size:.9rem;min-height:1em}
footer{background:var(--ink);color:var(--bg);padding:34px 16px;text-align:center;font-size:.92rem}
footer a{color:var(--bg)}
.mau-note{font:600 12px system-ui;opacity:.7;margin-top:8px}
.float{position:fixed;right:14px;bottom:calc(14px + env(safe-area-inset-bottom,0px));z-index:40;background:#ffd36b;color:#1d1606;text-decoration:none;font:800 14px system-ui;border-radius:999px;padding:13px 18px;box-shadow:0 10px 24px rgba(0,0,0,.25)}
.float.lh{background:var(--p);color:var(--on)}
.loi{padding:80px 16px;text-align:center;font-family:system-ui}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}