:root{
  --dam:#0b2545;--xanh:#1d5fd1;--xanh2:#4f8cff;--nhat:#eef4ff;--nhat2:#dbe7ff;--ngoc:#12b5a5;--cam:#ff7a1a;
  --chu:#13213a;--phu:#5b6b85;--vien:#e1e8f4;--trang:#fff;--nen:#f7f9fd;
  --bong:0 24px 60px -32px rgba(11,37,69,.45);--bong-n:0 8px 24px -14px rgba(11,37,69,.35);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:90px;overflow-x:clip}
body{font-family:"Be Vietnam Pro",system-ui,sans-serif;color:var(--chu);background:var(--trang);line-height:1.6;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.khung{max-width:1180px;margin:0 auto;padding:0 20px}
section{padding:80px 0}
.nhan{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--xanh);background:var(--nhat);border-radius:999px;padding:6px 14px}
h2{font-size:clamp(26px,3.6vw,40px);line-height:1.32;font-weight:800;letter-spacing:-.02em;margin:14px 0 12px;color:var(--dam)}
h2 em{font-style:normal;color:var(--xanh)}
.dan{color:var(--phu);font-size:17px;max-width:680px}
.giua{text-align:center}.giua .dan{margin:0 auto}
.nut{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 24px;border-radius:14px;font-weight:700;font-size:15.5px;white-space:nowrap;transition:transform .15s,box-shadow .2s,background .2s}
.nut:hover{transform:translateY(-2px)}
.nut svg{width:19px;height:19px;flex:none}
.nut-cam{background:linear-gradient(180deg,#ff8f3a,#f26a0c);color:#fff;box-shadow:0 12px 28px -12px rgba(242,106,12,.8)}
.nut-xanh{background:var(--xanh);color:#fff;box-shadow:0 12px 28px -14px rgba(29,95,209,.9)}
.nut-vien{border:1.5px solid var(--nhat2);color:var(--dam);background:#fff}
.nut-zalo{background:#0068ff;color:#fff}
.nen{background:var(--nen)}

/* đầu trang */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--vien)}
.dau{display:flex;align-items:center;justify-content:space-between;height:70px;gap:16px}
.hieu{display:flex;align-items:center;gap:11px}
.hieu svg{width:40px;height:40px;flex:none}
.hieu b{display:block;font-size:17px;font-weight:800;color:var(--dam);line-height:1.15}
.hieu small{display:block;font-size:11.5px;color:var(--phu);letter-spacing:.02em}
.dau nav{display:flex;gap:4px}
.dau nav a{font-size:14.5px;font-weight:600;color:var(--phu);padding:8px 13px;border-radius:10px;transition:.2s}
.dau nav a:hover{color:var(--dam);background:var(--nhat)}
.dau nav a.on{color:var(--xanh);background:var(--nhat)}
.dau .nut{padding:10px 18px;font-size:14.5px}

/* hero trang chủ */
.hero{position:relative;overflow:hidden;padding:64px 0 72px;background:radial-gradient(900px 520px at 88% 10%,#dfeaff 0,transparent 60%),linear-gradient(180deg,#fff,var(--nen))}
.hero-g{display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:center;position:relative}
.hero h1{font-size:clamp(34px,5.2vw,58px);line-height:1.4;font-weight:800;letter-spacing:-.015em;color:var(--dam);margin:18px 0 16px}
.hero h1 em{font-style:normal;padding-bottom:.08em;background:linear-gradient(90deg,var(--xanh),var(--ngoc));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .dan{font-size:18px;margin-bottom:26px}
.hero .cta{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:30px}
.tin{display:flex;gap:26px;flex-wrap:wrap}
.tin b{display:block;font-size:26px;font-weight:800;color:var(--dam);line-height:1.1}
.tin span{font-size:13px;color:var(--phu)}
.hero-anh{position:relative}
.hero-anh .khung-anh{border-radius:28px;overflow:hidden;box-shadow:var(--bong);aspect-ratio:4/4.5;background:var(--nhat)}
.hero-anh .khung-anh img{width:100%;height:100%;object-fit:cover;object-position:center 20%}
.hero-anh .song{position:absolute;inset:-30px -40px auto auto;width:180px;opacity:.9;pointer-events:none}
.the-noi{position:absolute;background:#fff;border-radius:18px;box-shadow:var(--bong);padding:12px 16px;display:flex;align-items:center;gap:12px}
.the-noi i{font-style:normal;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-size:20px;background:var(--nhat);flex:none}
.the-noi b{display:block;font-size:14.5px;color:var(--dam);line-height:1.25}
.the-noi small{display:block;font-size:12.5px;color:var(--phu);line-height:1.3}
.the-noi.t1{left:-34px;bottom:52px;max-width:270px}
.the-noi.t2{right:-18px;top:28px}

/* dải chứng nhận */
.dai-cn{background:var(--dam);color:#fff;padding:22px 0}
.dai-cn .khung{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.dai-cn div{display:flex;align-items:center;gap:10px;font-size:14.5px;color:#c9d6ee}
.dai-cn b{color:#fff}
.dai-cn i{font-style:normal;font-size:20px}

/* thế mạnh */
.tm-g{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px}
.tm{background:#fff;border:1px solid var(--vien);border-radius:22px;padding:26px 22px;transition:.25s;position:relative;overflow:hidden}
.tm:hover{transform:translateY(-5px);box-shadow:var(--bong)}
.tm .so-tt{position:absolute;right:16px;top:10px;font-size:54px;font-weight:800;color:var(--nhat);line-height:1}
.tm i{font-style:normal;width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,var(--xanh),var(--ngoc));color:#fff;display:grid;place-items:center;font-size:26px;margin-bottom:16px;position:relative}
.tm h3{font-size:18px;color:var(--dam);margin-bottom:8px;position:relative}
.tm p{font-size:14.5px;color:var(--phu);position:relative}

/* dịch vụ */
.dv-g{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:36px}
.dv{border-radius:22px;overflow:hidden;background:#fff;border:1px solid var(--vien);display:flex;flex-direction:column;transition:.25s}
.dv:hover{box-shadow:var(--bong)}
.dv img{width:100%;aspect-ratio:4/3;object-fit:cover}
.dv div{padding:16px 18px 18px}
.dv h3{font-size:17px;color:var(--dam);margin-bottom:6px}
.dv p{font-size:14px;color:var(--phu)}
.dv.chinh{border:2px solid var(--xanh)}
.dv .nhan-nho{display:inline-block;font-size:11.5px;font-weight:800;color:#fff;background:var(--xanh);border-radius:6px;padding:2px 8px;margin-bottom:8px;letter-spacing:.04em}

/* trước sau */
.ts-g{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:36px}
.ts-g button{border-radius:18px;overflow:hidden;background:#0b1a30;aspect-ratio:1;position:relative;box-shadow:var(--bong-n)}
.ts-g img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.ts-g button:hover img{transform:scale(1.04)}
.ts-g span{position:absolute;left:0;right:0;bottom:0;padding:26px 12px 10px;background:linear-gradient(transparent,rgba(5,14,30,.85));color:#fff;font-size:13px;font-weight:600;text-align:left}
.ghi-chu{font-size:13px;color:var(--phu);margin-top:14px}

/* dấu hiệu */
.dh-g{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center;margin-top:10px}
.dh-anh{border-radius:24px;overflow:hidden;box-shadow:var(--bong);aspect-ratio:3/4;max-height:560px}
.dh-anh img{width:100%;height:100%;object-fit:cover}
.dh-l{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:24px 0}
.dh-l li{background:#fff;border:1px solid var(--vien);border-radius:16px;padding:14px 16px;display:flex;gap:12px;align-items:flex-start;font-size:15px}
.dh-l li b{flex:none;width:28px;height:28px;border-radius:50%;background:var(--nhat);color:var(--xanh);display:grid;place-items:center;font-size:14px}

/* video */
.vd-g{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-top:34px}
.vd{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:9/16;background:#0b1a30;box-shadow:var(--bong-n)}
.vd img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.vd:hover img{transform:scale(1.05)}
.vd::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(5,14,30,.9))}
.vd .xem-l{position:absolute;left:10px;top:10px;z-index:1;background:rgba(0,0,0,.55);color:#fff;font-size:12px;font-weight:700;padding:3px 9px;border-radius:999px;display:flex;align-items:center;gap:5px}
.vd .tieu{position:absolute;left:10px;right:10px;bottom:10px;z-index:1;color:#fff;font-size:12.5px;font-weight:600;line-height:1.35;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.vd .chay{position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);z-index:1;width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.9);display:grid;place-items:center;opacity:0;transition:.25s}
.vd:hover .chay{opacity:1}
.vd .chay svg{width:20px;height:20px;color:var(--dam);margin-left:3px}

/* đầu trang con */
.trang-dau{background:radial-gradient(700px 300px at 90% 0,#dfeaff,transparent 70%),linear-gradient(180deg,#fff,var(--nen));padding:48px 0 44px;border-bottom:1px solid var(--vien)}
.trang-dau .vt{font-size:13.5px;color:var(--phu)}.trang-dau .vt a:hover{color:var(--xanh)}
.trang-dau h1{font-size:clamp(30px,4.6vw,48px);font-weight:800;line-height:1.3;letter-spacing:-.015em;color:var(--dam);margin:12px 0 10px}
.trang-dau h1 em{font-style:normal;color:var(--xanh)}
.trang-dau p{color:var(--phu);font-size:17px;max-width:720px}

/* bảng mức độ */
.md-g{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:32px}
.md{border-radius:20px;padding:20px;background:#fff;border:1px solid var(--vien);border-top:5px solid var(--c)}
.md b{display:block;font-size:24px;font-weight:800;color:var(--c)}
.md h3{font-size:16px;color:var(--dam);margin:4px 0 6px}
.md p{font-size:14px;color:var(--phu)}
.buoc{list-style:none;counter-reset:b;display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:34px;position:relative}
.buoc li{counter-increment:b;background:#fff;border:1px solid var(--vien);border-radius:20px;padding:20px 18px;position:relative}
.buoc li::before{content:counter(b);display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--xanh),var(--ngoc));color:#fff;font-weight:800;margin-bottom:12px}
.buoc b{display:block;font-size:16px;color:var(--dam);line-height:1.3}
.buoc small{display:block;font-size:13.5px;color:var(--phu);margin-top:6px;line-height:1.5}
.ht-g{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
.ht{background:#fff;border:1px solid var(--vien);border-radius:20px;padding:22px}
.ht i{font-style:normal;font-size:28px}
.ht h3{font-size:17px;color:var(--dam);margin:10px 0 6px}
.ht p{font-size:14.5px;color:var(--phu)}
.thiet-bi{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:30px}
.thiet-bi button{background:#fff;border:1px solid var(--vien);border-radius:18px;overflow:hidden;text-align:left}
.thiet-bi img{width:100%;aspect-ratio:4/3;object-fit:cover}
.thiet-bi div{padding:12px 14px}
.thiet-bi b{display:block;font-size:15px;color:var(--dam)}
.thiet-bi small{font-size:13px;color:var(--phu)}

/* bác sĩ */
.hs-g{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:start}
.hs-anh{position:sticky;top:100px}
.hs-anh img{border-radius:26px;box-shadow:var(--bong);width:100%;aspect-ratio:4/4.6;object-fit:cover;object-position:center 20%}
.hs-anh .ky{margin-top:14px;font-size:14px;color:var(--phu)}
.bang{display:grid;gap:10px;margin:22px 0}
.bang div{display:grid;grid-template-columns:28px 1fr;gap:12px;align-items:start;font-size:15.5px}
.bang i{font-style:normal;font-size:18px}
.mtg{list-style:none;position:relative;margin:26px 0 0;padding-left:34px}
.mtg::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--nhat2)}
.mtg li{position:relative;margin-bottom:20px}
.mtg li::before{content:"";position:absolute;left:-33px;top:5px;width:16px;height:16px;border-radius:50%;background:#fff;border:4px solid var(--xanh)}
.mtg small{font-weight:800;color:var(--xanh);font-size:13px;letter-spacing:.04em}
.mtg b{display:block;font-size:16px;color:var(--dam)}
.mtg p{font-size:14.5px;color:var(--phu)}
.ssol{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:30px}
.ssol button{border-radius:20px;overflow:hidden;box-shadow:var(--bong-n);background:#fff}
.ssol img{width:100%;aspect-ratio:4/3.4;object-fit:cover;object-position:top}
.ws-g{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
.ws{background:#fff;border:1px solid var(--vien);border-radius:20px;overflow:hidden;display:flex;flex-direction:column}
.ws button{aspect-ratio:16/10;overflow:hidden;background:var(--nhat)}
.ws img{width:100%;height:100%;object-fit:cover;object-position:top}
.ws div{padding:14px 16px 16px}
.ws small{font-weight:800;color:var(--xanh);font-size:12.5px}
.ws b{display:block;font-size:15.5px;color:var(--dam);line-height:1.35;margin:2px 0 4px}
.ws p{font-size:13.5px;color:var(--phu)}
.luoi{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:26px;grid-auto-flow:dense}
.luoi button{border-radius:16px;overflow:hidden;aspect-ratio:1;background:var(--nhat);position:relative}
.luoi button.to{grid-column:span 2;grid-row:span 2}
.luoi img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.luoi button:hover img{transform:scale(1.05)}
.luoi span{position:absolute;left:0;right:0;bottom:0;padding:22px 10px 8px;background:linear-gradient(transparent,rgba(5,14,30,.8));color:#fff;font-size:12.5px;font-weight:600;text-align:left}
.loi-khen{background:linear-gradient(135deg,var(--dam),#13366a);color:#fff;border-radius:26px;padding:34px;display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:center;margin-top:40px}
.loi-khen q{font-size:clamp(18px,2.4vw,24px);font-weight:600;line-height:1.45;display:block;quotes:"“" "”"}
.loi-khen small{display:block;margin-top:10px;color:#a9bde0;font-size:14px}
.loi-khen .ngoac{font-size:80px;line-height:.6;color:var(--xanh2);font-weight:800}

/* liên hệ */
.lien-he{background:linear-gradient(135deg,var(--dam),#0f3a73);color:#fff;position:relative;overflow:hidden}
.lien-he::after{content:"";position:absolute;right:-120px;top:-120px;width:460px;height:460px;border-radius:50%;border:2px solid rgba(255,255,255,.07);box-shadow:0 0 0 60px rgba(255,255,255,.025)}
.lh-g{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;position:relative;z-index:1}
.lien-he h2{color:#fff}.lien-he h2 em{color:#8fd8ff}
.lien-he .dan{color:#bcd0ee}
.lh-l{display:grid;gap:12px;margin-top:26px}
.lh-l a,.lh-l div{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:14px 16px;transition:.2s}
.lh-l a:hover{background:rgba(255,255,255,.13)}
.lh-l i{flex:none;width:44px;height:44px;border-radius:12px;background:rgba(143,216,255,.15);color:#8fd8ff;display:grid;place-items:center;font-style:normal}
.lh-l i svg{width:21px;height:21px}
.lh-l small{display:block;font-size:12.5px;color:#9fb6da}
.lh-l b{font-size:16.5px}
.lh-the{background:#fff;color:var(--chu);border-radius:24px;padding:28px;box-shadow:0 30px 60px -30px rgba(0,0,0,.6)}
.lh-the h3{font-size:21px;color:var(--dam)}
.lh-the p{color:var(--phu);font-size:14.5px;margin:6px 0 18px}
.lh-the .nut{width:100%;margin-bottom:10px}

footer{background:#06162b;color:#8ea3c4;font-size:13.5px;text-align:center;padding:26px 20px 100px;line-height:1.7}
footer b{color:#fff}
.mien-tru{font-size:12.5px;color:#6f86ab;max-width:760px;margin:8px auto 0}

/* thanh dưới */
.thanh{display:none}

/* xem ảnh */
.xem{position:fixed;inset:0;z-index:100;background:rgba(4,12,26,.95);display:none;align-items:center;justify-content:center;padding:56px 64px}
.xem.mo{display:flex}
.xem img{max-width:100%;max-height:100%;border-radius:10px}
.xem p{position:absolute;left:0;right:0;bottom:14px;text-align:center;color:#d5e2f5;font-size:14px;padding:0 70px}
.xem button{position:absolute;color:#fff;width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.12);font-size:26px;display:grid;place-items:center}
.xem .x{top:14px;right:14px}.xem .tr{left:12px;top:50%;transform:translateY(-50%)}.xem .ph{right:12px;top:50%;transform:translateY(-50%)}

.rv{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.rv.vao{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

@media (max-width:1060px){
  .tm-g,.dv-g{grid-template-columns:1fr 1fr}
  .vd-g{grid-template-columns:repeat(4,1fr)}
  .buoc{grid-template-columns:1fr 1fr}
  .md-g{grid-template-columns:1fr 1fr}
  .thiet-bi{grid-template-columns:1fr 1fr}
}
@media (max-width:960px){
  .dau{flex-wrap:wrap;height:auto;padding-top:10px}
  .dau nav{order:3;width:calc(100% + 40px);margin:8px -20px 0;padding:0 6px;justify-content:space-between;border-top:1px solid var(--vien);gap:0}
  .dau nav a{flex:1 1 auto;text-align:center;border-radius:0;padding:11px 2px 10px;font-size:14px;border-bottom:2.5px solid transparent;background:none!important;white-space:nowrap}
  .dau nav a.on{border-bottom-color:var(--xanh);font-weight:700}
  html{scroll-padding-top:130px}
  .hero-g,.dh-g,.hs-g,.lh-g{grid-template-columns:1fr;gap:34px}
  .hero-anh{max-width:460px}
  .the-noi.t1{left:12px;bottom:-20px}.the-noi.t2{right:12px;top:-14px}
  .hs-anh{position:static;max-width:420px}
  .ts-g{grid-template-columns:1fr 1fr}
  .ws-g{grid-template-columns:1fr 1fr}
  .ht-g{grid-template-columns:1fr}
}
@media (max-width:640px){
  section{padding:54px 0}
  .khung{padding:0 16px}
  .dau nav{width:calc(100% + 32px);margin:8px -16px 0;padding:0 2px}
  .dau nav a{font-size:13px}
  .dau .nut{display:none}
  .hieu b{font-size:15.5px}.hieu small{font-size:10.5px}.hieu svg{width:34px;height:34px}
  .hero{padding:30px 0 56px}
  .hero .dan{font-size:16px}
  .hero .cta .nut{flex:1}
  .tin{gap:16px}.tin b{font-size:21px}
  .the-noi.t1{max-width:230px;padding:10px 12px}
  .dai-cn .khung{justify-content:flex-start;gap:10px 18px}.dai-cn div{font-size:13.5px}
  .tm-g{grid-template-columns:1fr;gap:12px;margin-top:26px}
  .tm{padding:18px;display:grid;grid-template-columns:48px 1fr;gap:4px 14px}.tm i{width:48px;height:48px;font-size:22px;margin:0;grid-row:span 2}.tm h3{margin:0}
  .dv-g{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;margin:24px -16px 0;padding:0 16px 6px;scrollbar-width:none}
  .dv{flex:none;width:72vw;scroll-snap-align:start}
  .ts-g{gap:8px}
  .dh-l{grid-template-columns:1fr}
  .vd-g{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;margin:24px -16px 0;padding:0 16px 6px;scrollbar-width:none}
  .vd{flex:none;width:42vw;scroll-snap-align:start}
  .vd .chay{opacity:1;width:40px;height:40px}
  .md-g{grid-template-columns:1fr 1fr;gap:10px}.md{padding:14px}.md b{font-size:20px}
  .buoc{grid-template-columns:1fr;gap:10px}.buoc li{display:grid;grid-template-columns:40px 1fr;gap:14px;padding:14px 16px}.buoc li::before{margin:0}
  .thiet-bi{gap:10px}
  .ws-g{grid-template-columns:1fr}
  .ssol{grid-template-columns:1fr}
  .luoi{grid-template-columns:1fr 1fr;gap:6px}
  .loi-khen{grid-template-columns:1fr;padding:24px}.loi-khen .ngoac{display:none}
  .trang-dau{padding:28px 0 26px}.trang-dau p{font-size:15.5px}
  .thanh{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:60;background:rgba(255,255,255,.97);border-top:1px solid var(--vien);padding:8px 10px calc(8px + env(safe-area-inset-bottom));box-shadow:0 -10px 30px -18px rgba(0,0,0,.35)}
  .thanh a{display:flex;align-items:center;justify-content:center;gap:7px;border-radius:12px;padding:12px 6px;font-weight:700;font-size:14.5px}
  .thanh svg{width:18px;height:18px}
  .xem{padding:50px 8px 70px}.xem .tr,.xem .ph{top:auto;bottom:10px;transform:none}
}