:root{--green:#23764A;--green-2:#4FA36E;--pink:#E0668A;--pink-l:#F6AFC1;--gold:#E0A526;--gold-t:#B9820F;--jade:#E4F4EA;--ivory:#FFF8EC;--ink:#1F2A24;--muted:#5B6B61;--line:#DCEBE1}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:130px}
body{margin:0;font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6;font-size:17px;padding-bottom:calc(76px + env(safe-area-inset-bottom,0px))}
img,svg{max-width:100%}
h1,h2,h3{font-family:Lora,Georgia,"Times New Roman",serif;color:var(--green);line-height:1.25;margin:0 0 .5em}
h1{font-size:clamp(28px,7vw,44px)} h2{font-size:clamp(24px,5.5vw,34px)} h3{font-size:20px}
a{color:var(--green)}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
section{padding:56px 0}
.bg-jade{background:var(--jade)} .bg-ivory{background:var(--ivory)}
/* đầu trang */
header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0px)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
header .logo svg{height:46px;width:auto;display:block}
header .hcall{display:none;font-weight:600;text-decoration:none;background:var(--green);color:#fff;padding:10px 18px;border-radius:999px}
/* mở đầu */
.hero{background:linear-gradient(180deg,var(--jade),#fff);padding:44px 0 36px}
.hero .grid{display:grid;gap:28px;align-items:center}
.hero p.lead{font-size:19px;color:var(--muted);margin:0 0 20px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 24px;padding:0;list-style:none}
.chips li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-weight:500;font-size:15px}
.cta{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;text-decoration:none;border-radius:14px;padding:15px 22px;font-size:17px;border:0;cursor:pointer}
.btn-zalo{background:var(--green);color:#fff} .btn-call{background:#fff;color:var(--green);border:2px solid var(--green)}
.hero .note{font-size:14px;color:var(--muted);margin-top:12px}
/* trước / sau */
.ba{position:relative;aspect-ratio:3/4;border-radius:18px;overflow:hidden;box-shadow:0 10px 30px rgba(35,118,74,.15);background:#ddd;user-select:none}
.ba .img{position:absolute;inset:0;display:flex;align-items:flex-end;justify-content:flex-start;padding:14px;font-weight:700;color:#fff;font-size:15px}
.ba .before{background:linear-gradient(135deg,#8c7a5b,#c9b48a 55%,#a89468);filter:sepia(.6)}
.ba .after{background:linear-gradient(135deg,#f5d3dc,#e4f4ea 60%,#fff8ec);color:var(--green);clip-path:inset(0 0 0 50%);justify-content:flex-end}
.ba .bar{position:absolute;top:0;bottom:0;left:50%;width:3px;background:#fff;box-shadow:0 0 6px rgba(0,0,0,.3);pointer-events:none}
.ba .knob{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:44px;height:44px;border-radius:50%;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.25);display:flex;align-items:center;justify-content:center;color:var(--green);font-weight:700;pointer-events:none}
.ba input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.ba .tag{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.9);color:var(--green);font-size:13px;padding:4px 10px;border-radius:999px;font-weight:600}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.gallery .ba{aspect-ratio:4/5}
.ba .img.has{background-size:cover;background-position:center top;filter:none;text-shadow:0 1px 3px rgba(0,0,0,.6);color:#fff}
.ba .tag{white-space:nowrap;max-width:calc(100% - 20px);overflow:hidden;text-overflow:ellipsis}
.gallery .tag{top:8px;left:8px;padding:3px 9px}
@media (max-width:600px){.gallery .tag{font-size:11px;padding:2px 8px;top:6px;left:6px}}
.ky-uc{max-width:760px}
.mau-note{font-size:13px;color:var(--muted);margin-top:14px;line-height:1.5}

.gallery .img{font-size:13px;padding:10px}
.gallery .tag{font-size:12px}
.placeholder-note{font-size:14px;color:var(--gold-t);margin-top:12px}
/* bảng giá */
.prices{display:grid;gap:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}
.card.feat{border:2px solid var(--pink);position:relative}
.card.feat::before{content:"Được chọn nhiều nhất";position:absolute;top:-13px;left:20px;background:var(--pink);color:#fff;font-size:13px;font-weight:600;padding:3px 12px;border-radius:999px}
.card .price{font-family:Lora,serif;font-size:30px;color:var(--green);font-weight:700;margin:4px 0 8px}
.card ul{margin:0;padding-left:20px;color:var(--muted)}
.extra{margin-top:18px;background:#fff;border-radius:14px;padding:16px 18px;border:1px dashed var(--gold)}
.extra p{margin:4px 0}
/* quy trình */
.steps{display:grid;gap:14px;counter-reset:s;list-style:none;padding:0;margin:0}
.steps li{background:#fff;border-radius:16px;padding:18px 18px 18px 70px;position:relative;border:1px solid var(--line)}
.steps li::before{counter-increment:s;content:counter(s);position:absolute;left:18px;top:18px;width:36px;height:36px;border-radius:50%;background:var(--pink);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center}
.steps b{display:block;color:var(--green)}
/* cam kết */
.promise{display:grid;gap:14px}
.promise div{background:#fff;border-radius:16px;padding:20px;border-left:5px solid var(--gold)}
.promise b{color:var(--green);font-size:18px}
/* hỏi đáp */
details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 18px;margin-bottom:10px}
summary{font-weight:600;cursor:pointer;color:var(--green);list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";float:right;font-size:22px;line-height:1}
details[open] summary::after{content:"–"}
details p{margin:10px 0 0;color:var(--muted)}
/* chân trang */
footer{background:var(--green);color:#EAF6EF;padding:40px 0 30px;font-size:15px}
footer a{color:#fff} footer h3{color:#fff}
footer .icon svg{width:64px;height:64px;background:var(--jade);border-radius:50%;padding:6px}
/* thanh liên hệ cố định */
.sticky{position:fixed;left:0;right:0;bottom:0;z-index:30;display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:10px 12px calc(10px + env(safe-area-inset-bottom,0px));background:rgba(255,255,255,.97);border-top:1px solid var(--line);box-shadow:0 -4px 16px rgba(0,0,0,.06)}
.sticky .btn{padding:13px 10px}
@media(min-width:820px){
 body{padding-bottom:0} .sticky{display:none} header .hcall{display:inline-block}
 .hero .grid{grid-template-columns:1.15fr .85fr} .prices{grid-template-columns:repeat(3,1fr)}
 .gallery{grid-template-columns:repeat(3,1fr)} .steps{grid-template-columns:repeat(4,1fr)} .steps li{padding:64px 18px 18px}
 .promise{grid-template-columns:repeat(3,1fr)}.promise.four{grid-template-columns:repeat(2,1fr)} .memory{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
}
.hero .fulllogo svg{height:112px;width:auto;display:block;margin:0 0 18px}
.quick{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:64px;z-index:15}
.quick .wrap{display:flex;gap:8px;overflow-x:auto;padding-top:10px;padding-bottom:10px;scrollbar-width:none}
.quick a{flex:0 0 auto;text-decoration:none;font-weight:600;font-size:15px;color:var(--green);background:var(--jade);padding:8px 14px;border-radius:999px}
.kicker{color:var(--gold-t);font-weight:600;margin:-4px 0 12px}
ul.fix{margin:0 0 14px;padding-left:20px;color:var(--ink)}
.phale-h{margin:26px 0 4px;font-family:Lora,serif;color:var(--green)}.phale{display:grid;grid-template-columns:1fr;gap:14px;margin-top:12px}.phale figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}.phale img{width:100%;height:auto;display:block}.phale figcaption{padding:10px 12px;font-size:14px;color:var(--muted)}.phale-note{font-size:13px;color:var(--muted);margin:8px 0 0}@media (min-width:720px){.phale{grid-template-columns:repeat(2,1fr);max-width:820px}}
/* trang hướng dẫn */
.crumb{font-size:14px;color:var(--muted);margin:18px 0 6px}.crumb a{color:var(--muted)}
article{max-width:760px;margin:0 auto;padding:8px 20px 40px}
article h1{font-size:clamp(26px,6vw,38px);margin-top:8px}
article .sum{font-size:19px;color:var(--muted)}
article h2{font-size:clamp(22px,5vw,28px);margin-top:1.6em}
article ul,article ol{padding-left:22px} article li{margin:6px 0}
article table{width:100%;border-collapse:collapse;margin:14px 0;font-size:16px}
article th,article td{border:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}
article th{background:var(--jade);color:var(--green)}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0}
.pair figure{margin:0}.pair img{width:100%;height:auto;border-radius:14px;display:block}
.pair figcaption{font-size:14px;color:var(--muted);text-align:center;margin-top:4px}
.cta-box{background:var(--jade);border-radius:18px;padding:22px;margin:28px 0;text-align:center}
.cta-box p{margin:0 0 12px;font-weight:600;color:var(--green)}
.cta-box .btn{margin:4px}
.related{border-top:1px solid var(--line);margin-top:30px;padding-top:16px}
.related a{display:block;margin:8px 0}
.note{font-size:14px;color:var(--muted)}