:root{
  --pink:#ff4f93;--pink-d:#e0306f;--pink-l:#ffe3ee;
  --blue:#2f9bff;--blue-d:#1673d4;--blue-l:#e0f1ff;
  --ink:#1f2a44;--muted:#5d6985;--bg:#fffafc;--white:#fff;
  --grad:linear-gradient(135deg,var(--pink),var(--blue));
  --shadow:0 10px 30px rgba(47,155,255,.15);
  --r:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Prompt','Sarabun',system-ui,-apple-system,'Segoe UI',sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;font-size:16px}
img{max-width:100%;display:block}
a{color:var(--blue-d);text-decoration:none}
a:hover{color:var(--pink-d)}
.container{width:min(1120px,92%);margin:0 auto}

/* header */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--pink-l)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.2rem;color:var(--ink)}
.logo-mark{width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:700}
.logo small{display:block;font-size:.65rem;font-weight:400;color:var(--muted);line-height:1}
nav ul{list-style:none;display:flex;gap:6px}
nav a{display:block;padding:8px 16px;border-radius:999px;color:var(--ink);font-weight:500}
nav a:hover,nav a.active{background:var(--grad);color:#fff}
#menu-toggle,.menu-btn{display:none}

/* hero */
.hero{background:linear-gradient(135deg,var(--pink-l),var(--blue-l));padding:70px 0}
.hero .container{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.badge{display:inline-block;background:#fff;color:var(--pink-d);padding:4px 16px;border-radius:999px;font-size:.85rem;font-weight:600;box-shadow:var(--shadow);margin-bottom:14px}
h1{font-size:clamp(1.9rem,4vw,3rem);line-height:1.25;margin-bottom:16px}
h1 span,.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);margin-bottom:24px}
.btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 28px;border-radius:999px;font-weight:600;border:2px solid transparent;cursor:pointer;font-family:inherit;font-size:1rem}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{color:#fff;transform:translateY(-2px)}
.btn-outline{border-color:var(--pink);color:var(--pink-d);background:#fff}
.btn-outline:hover{background:var(--pink);color:#fff}
.img-frame{border-radius:28px;overflow:hidden;box-shadow:var(--shadow);background:var(--grad);aspect-ratio:4/3}
.img-frame img{width:100%;height:100%;object-fit:cover}

/* sections */
section{padding:72px 0}
.alt{background:#fff}
.sec-head{text-align:center;max-width:720px;margin:0 auto 44px}
.sec-head h2{font-size:clamp(1.5rem,3vw,2.1rem);margin-bottom:10px}
.sec-head p{color:var(--muted)}
.sec-head::after{content:"";display:block;width:70px;height:4px;border-radius:4px;background:var(--grad);margin:16px auto 0}
.grid{display:grid;gap:24px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--pink-l);transition:.25s}
.card:hover{transform:translateY(-5px)}
.card .thumb{aspect-ratio:16/10;background:var(--grad)}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .body{padding:22px}
.card h3{margin-bottom:8px;font-size:1.15rem}
.card p{color:var(--muted);font-size:.95rem}
.icon{width:54px;height:54px;border-radius:16px;background:var(--grad);display:grid;place-items:center;font-size:1.6rem;margin-bottom:14px}
.feature{padding:26px;text-align:center}
.feature .icon{margin:0 auto 14px}

.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split h2{font-size:clamp(1.5rem,3vw,2rem);margin-bottom:14px}
.split p{color:var(--muted);margin-bottom:12px}
.checks{list-style:none;margin-top:12px}
.checks li{padding-left:30px;position:relative;margin-bottom:8px}
.checks li::before{content:"✓";position:absolute;left:0;top:2px;width:22px;height:22px;border-radius:50%;background:var(--grad);color:#fff;font-size:.8rem;display:grid;place-items:center}

.stats{background:var(--grad);color:#fff;padding:48px 0}
.stats .grid{text-align:center}
.stats b{display:block;font-size:2rem}
.stats h2{text-align:center;margin-bottom:18px;font-size:1.3rem}
.chips{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.chips span{background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.55);padding:8px 22px;border-radius:999px;font-weight:600}
table.info{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
table.info th,table.info td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--pink-l);vertical-align:top}
table.info th{width:32%;background:var(--blue-l);font-weight:600}
table.info tr:last-child th,table.info tr:last-child td{border-bottom:0}
.form-note{font-size:.85rem;color:var(--muted);margin-top:10px}
.updated{color:var(--muted);font-size:.9rem;margin-bottom:10px}
.checkline{display:flex;gap:10px;align-items:flex-start;margin-bottom:16px;font-size:.92rem}
.checkline input{width:auto;margin:6px 0 0}
.mt{margin-top:24px}
.notice{background:var(--blue-l);border-left:5px solid var(--blue);padding:18px 22px;border-radius:12px;color:var(--ink);font-size:.95rem}

.steps{counter-reset:s}
.step{position:relative;padding:26px 22px 22px;background:#fff;border-radius:var(--r);box-shadow:var(--shadow);border:1px solid var(--blue-l)}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:-16px;left:20px;width:36px;height:36px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:700}
.step h3{margin-bottom:6px;font-size:1.05rem}
.step p{color:var(--muted);font-size:.93rem}

.cta{background:linear-gradient(135deg,var(--pink-l),var(--blue-l));text-align:center}
.cta h2{margin-bottom:10px}
.cta p{color:var(--muted);margin-bottom:22px}

/* page banner */
.page-banner{background:linear-gradient(135deg,var(--pink-l),var(--blue-l));padding:54px 0;text-align:center}
.page-banner h1{margin-bottom:8px}
.page-banner p{color:var(--muted)}

/* contact */
.info-list{list-style:none}
.info-list li{display:flex;gap:14px;margin-bottom:18px}
.info-list .ic{flex:none;width:44px;height:44px;border-radius:12px;background:var(--grad);display:grid;place-items:center;font-size:1.2rem}
.info-list b{display:block}
form{background:#fff;padding:30px;border-radius:var(--r);box-shadow:var(--shadow);border:1px solid var(--pink-l)}
label{display:block;font-weight:500;margin:0 0 6px}
input,textarea,select{width:100%;padding:12px 14px;border:2px solid var(--blue-l);border-radius:12px;font-family:inherit;font-size:1rem;margin-bottom:16px;background:#fff}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--pink)}
textarea{min-height:130px;resize:vertical}

/* privacy */
.doc{max-width:860px;margin:0 auto;background:#fff;padding:40px;border-radius:var(--r);box-shadow:var(--shadow)}
.doc h2{font-size:1.3rem;margin:28px 0 8px;color:var(--pink-d)}
.doc p,.doc li{color:var(--muted)}
.doc ul{margin:8px 0 8px 22px}

/* footer */
footer{background:#1f2a44;color:#c9d3ea;padding:52px 0 20px}
footer .grid{grid-template-columns:1.4fr 1fr 1.2fr;margin-bottom:30px}
footer h4{color:#fff;margin-bottom:12px}
footer a{color:#c9d3ea}
footer a:hover{color:var(--pink)}
footer ul{list-style:none}
footer li{margin-bottom:6px}
.copy{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;text-align:center;font-size:.9rem}

@media(max-width:900px){
  .hero .container,.split{grid-template-columns:1fr}
  .g3,.g4{grid-template-columns:repeat(2,1fr)}
  footer .grid{grid-template-columns:1fr}
  .menu-btn{display:block;font-size:1.7rem;cursor:pointer;padding:4px 10px}
  nav{position:absolute;top:68px;left:0;right:0;background:#fff;display:none;border-bottom:1px solid var(--pink-l)}
  nav ul{flex-direction:column;padding:12px 4%}
  #menu-toggle:checked ~ nav{display:block}
}
@media(max-width:600px){
  .g2,.g3,.g4{grid-template-columns:1fr}
  section{padding:52px 0}
  .doc{padding:24px}
}