:root{--navy:#123047;--teal:#0f7c86;--teal2:#e6f4f4;--rose:#c4687a;--rose2:#fbeef1;--text:#1f2a33;--muted:#5c6b77;--line:#e3e8ec;--bg:#ffffff;--soft:#f6f9fa}
*{box-sizing:border-box}
html,body{overflow-x:hidden;max-width:100%}
html{scroll-behavior:smooth}
body{margin:0;font:16px/1.6 "Segoe UI",Roboto,Arial,sans-serif;color:var(--text);background:var(--bg)}
a{color:var(--teal)}
img{max-width:100%;display:block}
.wrap{max-width:1080px;margin:auto;padding:0 18px}
header.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(6px)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;height:62px}
.brand{font-weight:700;color:var(--navy);text-decoration:none;line-height:1.2}
.brand small{display:block;font-weight:400;color:var(--muted);font-size:12.5px}
nav a{color:var(--navy);text-decoration:none;margin-left:18px;font-size:15px}
nav a:hover{color:var(--teal)}
@media(max-width:820px){nav .hide-m{display:none}}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:999px;font-weight:600;text-decoration:none;border:0;cursor:pointer;font-size:16px;transition:transform .08s,filter .15s}
.btn:hover{filter:brightness(1.06)}.btn:active{transform:translateY(1px)}
.btn-main{background:var(--teal);color:#fff}
.btn-rose{background:var(--rose);color:#fff}
.btn-line{background:#fff;color:var(--navy);border:1.5px solid var(--line)}
.hero{background:linear-gradient(135deg,var(--teal2),#fff 55%,var(--rose2));padding:46px 0 30px}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:30px;align-items:center}
@media(max-width:820px){.hero .wrap{grid-template-columns:minmax(0,1fr)}.hero .photo{order:-1;max-width:320px;margin:0 auto}}
.eyebrow{display:inline-block;background:#fff;border:1px solid var(--line);color:var(--teal);font-weight:600;font-size:13px;padding:4px 12px;border-radius:999px}
h1{overflow-wrap:anywhere;font-size:clamp(26px,4.4vw,42px);line-height:1.2;color:var(--navy);margin:12px 0 10px}
.lead{font-size:18px;color:var(--muted);margin:0 0 20px}
.actions{display:flex;flex-wrap:wrap;gap:10px}
/* Khung ảnh bác sĩ: vuông, cân giữa cột, nền chuyển màu nhẹ, chú thích căn giữa */
.photo{width:100%;max-width:380px;margin:0 0 0 auto;border-radius:24px;overflow:hidden;background:#fff;
  box-shadow:0 18px 40px rgba(18,48,71,.12);border:1px solid var(--line)}
.photo .pic{aspect-ratio:1/1;background:#fff;overflow:hidden}
.photo .pic img{width:100%;height:100%;object-fit:cover;object-position:center top}
.photo figcaption{padding:14px 18px 16px;text-align:center;border-top:1px solid var(--line)}
.photo figcaption b{color:var(--navy);display:block;font-size:17px;margin-bottom:2px}
.photo figcaption span{display:block;color:var(--teal);font-size:14px;font-weight:600;line-height:1.45;text-wrap:balance}
.trust{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:26px}
@media(max-width:820px){.trust{grid-template-columns:repeat(2,minmax(0,1fr))}}
.trust div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px;font-size:14px;color:var(--muted)}
.trust b{display:block;color:var(--navy);font-size:15px}
section{padding:52px 0}
section.alt{background:var(--soft)}
h2{font-size:clamp(23px,3vw,30px);color:var(--navy);margin:0 0 8px}
.sub{color:var(--muted);margin:0 0 24px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr));gap:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}
.card h3{margin:0 0 6px;color:var(--navy);font-size:18px}
.card p{margin:0 0 12px;color:var(--muted);font-size:15px}
.card a{font-weight:600;text-decoration:none}
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(220px,100%),1fr));gap:16px}
.steps div{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 18px 18px 64px;position:relative}
.steps div:before{counter-increment:s;content:counter(s);position:absolute;left:18px;top:18px;width:34px;height:34px;border-radius:50%;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:700}
.steps b{color:var(--navy)}
.note{background:var(--rose2);border-left:4px solid var(--rose);padding:12px 16px;border-radius:8px;color:#5a3640;font-size:14.5px;margin-top:20px}
details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px}
summary{cursor:pointer;font-weight:600;color:var(--navy)}
details p{color:var(--muted);margin:10px 0 0}
.book{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;align-items:start}
@media(max-width:820px){.book{grid-template-columns:minmax(0,1fr)}}
form{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 10px 30px rgba(18,48,71,.06)}
label{display:block;font-weight:600;font-size:14.5px;color:var(--navy);margin:12px 0 6px}
input,select,textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--teal)}
textarea{min-height:80px;resize:vertical}
.consent{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:13.5px;color:var(--muted)}
.consent input{width:auto;margin-top:4px}
.hp{position:absolute;left:-9999px}
.msg{margin-top:12px;font-size:14.5px}
.msg.err{color:#b3261e}
.contact-list{list-style:none;padding:0;margin:0}
.contact-list li{padding:10px 0;border-bottom:1px solid var(--line)}
.contact-list b{color:var(--navy)}
.qrbox{display:flex;gap:16px;align-items:center;margin-top:18px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px}
.qrbox img{width:150px;height:150px;flex:none;border-radius:8px}
.qrbox div{font-size:14px;color:var(--muted)}
.qrbox div>b:first-child{display:block;color:var(--navy);font-size:16px;margin-bottom:4px}
@media(max-width:420px){.qrbox{flex-direction:column;text-align:center}}
footer{background:var(--navy);color:#c9d6df;padding:34px 0 90px;font-size:14px}
footer a{color:#fff}
footer .wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:20px}
@media(max-width:820px){footer .wrap{grid-template-columns:1fr}}
.disclaimer{font-size:12.5px;color:#97a8b5;margin-top:10px}
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:30;display:none;background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(0,0,0,.08)}
.mbar a{flex:1;text-align:center;padding:12px 4px;font-weight:600;text-decoration:none;font-size:15px}
.mbar a+a{border-left:1px solid var(--line)}
@media(max-width:820px){.mbar{display:flex}}
.center{text-align:center}
.thank{min-height:70vh;display:grid;place-items:center;padding:40px 0}
.thank .box{max-width:560px;text-align:center}
.tick{width:72px;height:72px;border-radius:50%;background:var(--teal2);color:var(--teal);display:grid;place-items:center;font-size:38px;margin:0 auto 16px}
.policy h2{font-size:21px;margin-top:28px}
.policy p,.policy li{color:#3b4852}