/* Màu lấy từ logo Khánh Hằng: hồng phấn #f6baba, hồng #c8747e, hồng đậm #8a424e. Muốn đổi tông thì sửa các biến ở dòng :root. */
:root{--paper:#fdf7f6;--surface:#fff;--blush:#fbeaeb;--ink:#2b1b1f;--ink-2:#54393f;--ink-3:#7b5f65;--line:#efd9da;--rose:#c8747e;--rose-ink:#8a424e;--rose-deep:#6f303b;--deep:#3d1b23;--on-deep:#fdeeee;--on-deep-2:#dcbfc2;--gold:linear-gradient(100deg,#f6baba,#c8747e 45%,#8a424e);--serif:"Newsreader","Iowan Old Style",Georgia,"Times New Roman",serif;--sans:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--gut:clamp(1.125rem,4.5vw,2.5rem);--band:clamp(3rem,7vw,5.5rem);--r:8px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1rem/1.65 var(--sans)}
::selection{background:#f4c6ca;color:var(--ink)}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-underline-offset:.2em}
:focus-visible{outline:2px solid var(--rose-ink);outline-offset:2px}
[id]{scroll-margin-top:6.5rem}
h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em;text-wrap:balance}
h1{font-size:clamp(2.2rem,5.5vw,3.6rem)}
h2{font-size:clamp(1.6rem,3.2vw,2.2rem)}
h3{font-size:1.3rem}
p{margin:0 0 1em}
.wrap{max-width:70rem;margin:0 auto;padding:0 var(--gut)}
.skip{position:absolute;left:-999px}
.skip:focus{left:1rem;top:1rem;background:#fff;padding:.5rem 1rem;z-index:9}
.eyebrow{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--rose-ink);font-weight:500;margin:0 0 1rem}
.lead{font-size:1.1rem;color:var(--ink-2);max-width:40rem}
.note{color:var(--ink-3);font-size:.9rem}
.gap{margin-top:2rem}
.btn{display:inline-block;background:var(--rose-ink);color:#fff;padding:.7rem 1.25rem;border-radius:var(--r);text-decoration:none;font-weight:500;font-size:.95rem;border:1px solid var(--rose-ink);white-space:nowrap;transition:background .2s,border-color .2s}
.btn:hover{background:var(--rose-deep);border-color:var(--rose-deep)}
.btn.ghost{background:transparent;color:var(--rose-ink);border-color:var(--rose)}
.btn.ghost:hover{background:var(--blush);border-color:var(--rose-ink)}
.more{display:inline-block;margin-top:1.75rem;color:var(--rose-ink);font-weight:500}

.hd{position:sticky;top:0;z-index:5;background:rgba(253,247,246,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hd::before{content:"";display:block;height:3px;background:var(--gold)}
.hd-in{display:flex;align-items:center;gap:1.25rem;min-height:4.25rem}
.brand{display:flex;align-items:center;gap:.65rem;text-decoration:none;margin-right:auto;flex-shrink:0}
.brand img{width:44px;height:44px;object-fit:contain;mix-blend-mode:multiply}
.brand b{display:block;font:500 1.3rem/1.1 var(--serif)}
.brand small{display:block;font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);white-space:nowrap}
.hd nav{display:flex;gap:1.35rem;font-size:.93rem}
.hd nav a{text-decoration:none;color:var(--ink-2);padding:.4rem 0;border-bottom:1px solid transparent;white-space:nowrap}
.hd nav a:hover,.hd nav a[aria-current]{color:var(--rose-ink);border-color:var(--rose)}

section{padding:var(--band) 0}
.alt{background:var(--surface);border-block:1px solid var(--line)}
.page-hd{padding-bottom:0}
.hero{padding:clamp(2rem,6vw,4.5rem) 0 var(--band);background:radial-gradient(48rem 26rem at 88% -10%,#f9dcde,rgba(249,220,222,0) 70%),linear-gradient(#fcefee,var(--paper) 80%)}
.hero-in{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:clamp(2rem,4vw,3.5rem);align-items:center}
.hero-mark{margin:0;justify-self:center;background:#fff;border:1px solid var(--line);border-radius:50%;padding:clamp(1.5rem,3.5vw,3rem);width:min(21rem,100%);aspect-ratio:1}
.hero-mark img{width:100%;height:100%;object-fit:contain}
.cta{display:flex;flex-wrap:wrap;gap:.75rem;margin:1.75rem 0 0}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;border-top:1px solid var(--line);margin-top:clamp(2rem,5vw,3.5rem);padding-top:1.5rem}
.facts b{display:block;font:500 1.2rem var(--serif);margin-bottom:.2rem;color:var(--rose-ink)}
.facts span{color:var(--ink-2);font-size:.95rem}

/* Khung ảnh tự chuyển ở đầu trang chủ (banner.js điều khiển). Ảnh và chú thích xếp chồng trong cùng một ô lưới nên chiều cao không nhảy. */
.show{min-width:0}
.frames,.caps{display:grid;grid-template-columns:minmax(0,1fr)}
.frames{grid-template-rows:minmax(0,1fr);aspect-ratio:3/2;border-radius:16px;overflow:hidden;background:var(--blush);box-shadow:0 0 0 1px var(--line),0 28px 50px -30px rgba(138,66,78,.55)}
.slide,.cap{grid-area:1/1;min-width:0;margin:0;opacity:0;visibility:hidden;transition:opacity .9s ease,visibility 0s .9s}
.slide.on,.cap.on{opacity:1;visibility:visible;transition:opacity .9s ease}
.slide{min-height:0;overflow:hidden}
.slide img{width:100%;height:100%;object-fit:cover}
.slide.on>img:first-child{animation:drift 7s ease-out both}
.slide.duo{display:grid;grid-template:minmax(0,1fr)/44% minmax(0,1fr);background:#fff}
.slide.duo img:first-child{object-position:50% 12%}
.slide.duo img:last-child{object-fit:contain;padding:11%;position:relative;background:#fff}
.caps{margin-top:.85rem}
.show.js .caps{margin-top:.2rem}
.cap{font-size:.92rem;line-height:1.5;color:var(--ink-2)}
.cap b{font-weight:600;color:var(--rose-ink);margin-right:.5em}
.cap small{display:block;margin-top:.3rem;font-size:.78rem;color:var(--ink-3)}
.show-nav{display:none;align-items:center;gap:.4rem;margin-top:.6rem}
.show.js .show-nav{display:flex}
.show-nav button{border:0;background:none;padding:0;cursor:pointer;color:var(--rose-ink);font:inherit}
.dots{display:flex;margin-right:auto}
.dots button{height:1.75rem;padding:0 .2rem;display:grid;place-items:center}
.dots i{display:block;position:relative;overflow:hidden;width:.5rem;height:.5rem;border-radius:99px;background:#e9c5c9;transition:width .3s}
.dots [aria-current] i{width:2.25rem}
.dots [aria-current] i::after{content:"";position:absolute;inset:0;background:var(--rose-ink);transform-origin:left}
.show.run .dots [aria-current] i::after{animation:fill var(--ms,5s) linear both}
.show-nav .pp,.show-nav .prev,.show-nav .next{width:2rem;height:2rem;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;background:var(--surface);transition:background .2s,border-color .2s}
.show-nav .pp:hover,.show-nav .prev:hover,.show-nav .next:hover{background:var(--blush);border-color:var(--rose)}
.show-nav svg{width:.7rem;height:.7rem;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.show-nav .pp svg{fill:currentColor;stroke:none}
@keyframes drift{from{transform:scale(1.05)}to{transform:none}}
@keyframes fill{from{transform:scaleX(0)}to{transform:none}}

.doc{display:grid;grid-template-columns:minmax(0,20rem) 1fr;gap:clamp(1.5rem,5vw,4rem);align-items:start}
.doc img{border-radius:var(--r);aspect-ratio:4/5;object-fit:cover;width:100%;background:var(--blush)}
.kv{margin:1.5rem 0 0;border-top:1px solid var(--line)}
.kv div{display:grid;grid-template-columns:8.5rem 1fr;gap:1rem;padding:.8rem 0;border-bottom:1px solid var(--line)}
.kv.wide{max-width:52rem;margin-top:2rem}
.kv.wide div{grid-template-columns:13rem 1fr}
.kv dt{font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);padding-top:.25rem}
.kv dd{margin:0}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(17rem,1fr));gap:1.25rem;margin-top:2rem}
.grid.first{margin-top:0}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:1.4rem 1.5rem}
.card h3{margin-bottom:.6rem}
.card ul{margin:0;padding-left:1.1rem;color:var(--ink-2);font-size:.95rem}
.card li{margin:.35rem 0}
.card li::marker{color:var(--rose)}
.card.link{display:block;text-decoration:none;transition:border-color .2s,box-shadow .2s,transform .2s}
.card.link:hover{border-color:var(--rose);box-shadow:0 16px 30px -24px rgba(138,66,78,.6);transform:translateY(-2px)}
.card.link p{color:var(--ink-2);margin:0}
.card.link .more{margin-top:.9rem}

.steps{list-style:none;margin:2rem 0 0;padding:0;counter-reset:s;max-width:48rem}
.steps li{counter-increment:s;display:grid;grid-template-columns:3.5rem 1fr;gap:1rem;padding:1.1rem 0;border-top:1px solid var(--line)}
.steps li::before{content:counter(s,decimal-leading-zero);font:400 1.5rem/1.2 var(--serif);color:var(--rose)}
.steps b{display:block;font-weight:600}
.steps span{color:var(--ink-2)}

.two{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,5vw,4rem);margin-top:1.5rem}
table{border-collapse:collapse;width:100%;max-width:26rem}
th,td{text-align:left;padding:.6rem .75rem .6rem 0;border-bottom:1px solid var(--line);font-weight:400}
td{text-align:right;padding-right:0;white-space:nowrap}
.tel{font:400 1.5rem/1.3 var(--serif)}
.tel a{color:var(--rose-ink);text-decoration-color:var(--rose)}

.callout{background:var(--blush);border:1px solid var(--line);border-left:3px solid var(--rose);padding:1rem 1.25rem;border-radius:var(--r);margin:1.75rem 0 0;max-width:46rem}
.callout p:last-child{margin:0}
.list-h{font-size:1.4rem;margin:2.25rem 0 .75rem}
.list-h:first-child{margin-top:0}
.list{margin:0;padding:0;list-style:none;border-top:1px solid var(--line);max-width:52rem}
.list li{display:flex;gap:1rem;padding:.6rem 0;border-bottom:1px solid var(--line)}
.list code{font:400 .82rem/2 var(--sans);color:var(--rose-ink);flex:0 0 2.5rem}
.list .gia{margin-left:auto;text-align:right;white-space:nowrap;font-weight:500;font-variant-numeric:tabular-nums}
.list .gia small{display:block;font-size:.76rem;font-weight:400;color:var(--ink-3)}
.list+.note{margin-top:1.5rem}

.docs{display:grid;grid-template-columns:repeat(auto-fill,minmax(15rem,1fr));gap:1.5rem;margin-top:2rem}
.docs figure{margin:0}
.docs a{display:block;border:1px solid var(--line);background:#fff;border-radius:var(--r);overflow:hidden}
.docs a:hover{border-color:var(--rose)}
.docs img{width:100%;aspect-ratio:3/4;object-fit:contain}
.docs figcaption{margin-top:.6rem;font-weight:500}

.prose{max-width:44rem}
.prose h2{font-size:1.5rem;margin-top:2rem}
.prose h2:first-child{margin-top:0}
.prose li{margin:.35rem 0}
.prose li::marker{color:var(--rose)}
.crumb{font-size:.9rem;color:var(--ink-3);margin-bottom:1.25rem}

.ft{background:var(--deep);color:var(--on-deep-2);padding:0 0 2rem;font-size:.93rem}
.ft::before{content:"";display:block;height:3px;background:var(--gold);margin-bottom:3.5rem}
.ft-in{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2.5rem}
.ft h2{font-size:1.4rem;color:var(--on-deep)}
.ft h3{font:500 .76rem var(--sans);letter-spacing:.12em;text-transform:uppercase;color:#f3b3b9;margin-bottom:.8rem}
.ft a{color:var(--on-deep)}
.ft ul{list-style:none;margin:0;padding:0}
.ft li{margin:.4rem 0}
.legal{border-top:1px solid #5b2d37;margin:2.5rem 0 0;padding-top:1.25rem;font-size:.82rem}
.legal+.legal{border:0;margin:0;padding-top:.5rem}

@media(max-width:68rem){
.hd-in{flex-wrap:wrap;padding-top:.6rem;row-gap:.25rem}
.hd nav{order:3;width:100%;overflow-x:auto;gap:1.25rem;padding-bottom:.3rem}
.hd .btn{padding:.5rem .9rem;font-size:.88rem}
}
/* Màn hình hẹp: khung ảnh nằm ngay dưới tiêu đề, trước đoạn giới thiệu. */
@media(max-width:60rem){
.hero-in{grid-template-columns:minmax(0,1fr);gap:0}
.hero-in>div:first-child{display:contents}
.hero-in .eyebrow{order:1}
.hero-in h1{order:2}
.show{order:3;margin:.75rem 0 1.75rem;max-width:40rem}
.hero-in .lead{order:4}
.hero-in .cta{order:5}
.hero-mark{order:3;justify-self:start;width:9.5rem;padding:1.25rem;margin:.5rem 0 1.5rem}
}
@media(max-width:48rem){
.hd-in{gap:.75rem}
.brand img{width:38px;height:38px}
.brand{flex-shrink:1}
.brand small{max-width:9.5rem;line-height:1.35;letter-spacing:.06em;white-space:normal}
.frames{border-radius:12px}
.facts,.doc,.two,.ft-in{grid-template-columns:1fr}
.facts{gap:1rem}
.doc img{max-width:15rem}
.kv div,.kv.wide div{grid-template-columns:1fr;gap:.15rem}
.steps li{grid-template-columns:2.5rem 1fr}
}
@media(prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
.slide,.slide.on,.cap,.cap.on,.card.link,.btn{transition:none}
.slide.on>img:first-child,.show.run .dots [aria-current] i::after{animation:none}
}
/* 20/10/2026: nhãn nhóm bài, ô "Ghi nhớ nhanh", khối Sở Y tế */
.card .tag{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--rose-ink);font-weight:500;margin:0 0 .5rem}
.chips{display:flex;flex-wrap:wrap;gap:.5rem;margin:1.25rem 0 0}
.chips a{border:1px solid var(--line);background:var(--surface);border-radius:99px;padding:.35rem .9rem;font-size:.9rem;text-decoration:none;color:var(--rose-ink)}
.chips a:hover{background:var(--blush)}
.ghi-nho{margin:0 0 2rem;padding:1.25rem 1.25rem 1.4rem;background:var(--blush);border:1px solid var(--line);border-radius:var(--r)}
.ghi-nho figcaption{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--rose-ink);font-weight:500;margin:0 0 1rem}
.ghi-nho ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(9.5rem,1fr));gap:1rem}
.ghi-nho li{margin:0;display:flex;flex-direction:column;gap:.6rem;font-size:.95rem;line-height:1.4;color:var(--ink-2)}
.ic{width:3.6rem;height:3.6rem;padding:.7rem;background:var(--surface);border-radius:50%;fill:none;stroke:var(--rose-ink);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;box-shadow:0 0 0 1px var(--line)}
.syt{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:2rem;align-items:start}
.syt-links{list-style:none;margin:1.5rem 0 0;padding:0;display:grid;gap:1rem}
.syt-links li{display:flex;flex-direction:column;gap:.15rem}
.syt-links a{color:var(--rose-ink);font-weight:500}
.syt-links span{color:var(--ink-3);font-size:.95rem}
.hot ul{list-style:none;padding:0;margin:0 0 1rem}
.hot li{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;padding:.6rem 0;border-bottom:1px solid var(--line);margin:0}
.hot li a{font-weight:600;color:var(--rose-ink);white-space:nowrap;font-variant-numeric:tabular-nums;text-decoration:none}
@media (max-width:760px){.syt{grid-template-columns:1fr}}
/* 21/10/2026: khung đánh giá Google ở trang chủ */
.danh-gia{margin-top:clamp(2rem,5vw,3rem);display:grid;grid-template-columns:minmax(0,1fr) auto;gap:1.5rem 2.5rem;align-items:center;background:var(--blush);border:1px solid var(--line);border-left:3px solid var(--rose);border-radius:var(--r);padding:clamp(1.25rem,3vw,2rem)}
.danh-gia h2{font-size:clamp(1.35rem,2.6vw,1.75rem);margin:0 0 .5rem}
.danh-gia p{margin:0;color:var(--ink-2);max-width:40rem}
.danh-gia .cta{margin-top:1.25rem;display:flex;flex-wrap:wrap;gap:.75rem}
.danh-gia .sao{color:#e3a008;font-size:1.35rem;letter-spacing:.15em;margin-bottom:.35rem}
.qr{display:flex;flex-direction:column;align-items:center;gap:.4rem;text-decoration:none;color:var(--ink-3);font-size:.85rem}
.qr svg{width:9.5rem;height:9.5rem;background:#fff;border-radius:6px;box-shadow:0 0 0 1px var(--line)}
@media (max-width:48rem){.danh-gia{grid-template-columns:1fr}.qr{justify-self:start}}