:root{
  --navy:#0D1B3D;      /* deep navy */
  --navy-2:#162A57;
  --navy-3:#20386F;
  --gold:#F2B705;      /* bright gold */
  --gold-2:#FFD65C;
  --sky:#7FB7FF;
  --text:#EEF2FB;
  --muted:#AAB6D3;
  --line:rgba(242,183,5,.22);
  --good:#3DDC97;
  --bad:#FF7A6B;
  --head:"K2D",Tahoma,"Leelawadee UI",sans-serif;
  --body:"Niramit",Tahoma,"Leelawadee UI",sans-serif;
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--navy)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--navy);color:var(--text);font-family:var(--body);font-size:1.1rem;line-height:1.85}
img{max-width:100%;height:auto;display:block}
a{color:var(--gold-2)}
a:focus-visible,summary:focus-visible{outline:3px solid var(--sky);outline-offset:3px;border-radius:4px}
.wrap{width:min(1140px,100% - 2.5rem);margin-inline:auto}
.skip{position:absolute;left:-999px;top:0;background:var(--gold);color:var(--navy);padding:.5rem 1rem;z-index:10}
.skip:focus{left:1rem}

.tb{position:sticky;top:0;z-index:5;background:rgba(13,27,61,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.tb-in{display:flex;align-items:center;gap:1.5rem;min-height:62px}
.logo{font-family:var(--head);font-weight:700;font-size:1.3rem;color:#fff;text-decoration:none;display:flex;align-items:center;gap:.55rem}
.coin{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 35% 30%,var(--gold-2),var(--gold) 60%,#B07F00);color:var(--navy);font-weight:700;box-shadow:0 0 0 3px rgba(242,183,5,.25)}
.tb nav{display:flex;gap:1.3rem;margin-left:auto}
.tb nav a{color:var(--muted);text-decoration:none;font-size:.97rem}
.tb nav a:hover{color:var(--gold-2)}

.btn{display:inline-block;font-family:var(--head);font-weight:700;background:var(--gold);color:var(--navy);text-decoration:none;padding:.8rem 1.6rem;border-radius:999px;line-height:1.3;box-shadow:0 8px 22px rgba(242,183,5,.25);transition:transform .15s,background .15s}
.btn:hover{background:var(--gold-2);transform:translateY(-1px)}
.btn:active{transform:translateY(1px)}
.btn-line{background:transparent;color:var(--gold-2);box-shadow:inset 0 0 0 2px var(--gold)}
.btn-line:hover{background:rgba(242,183,5,.1)}
.btn-xs{padding:.4rem 1rem;font-size:.95rem;box-shadow:none}
.btn-full{display:block;text-align:center}
.mid{text-align:center;margin:1.75rem 0}

.top{padding:3.25rem 0 4.5rem;background:radial-gradient(ellipse 60% 70% at 80% 30%,rgba(127,183,255,.18),transparent 70%),radial-gradient(ellipse 40% 50% at 10% 80%,rgba(242,183,5,.12),transparent 70%),var(--navy);border-bottom:1px solid var(--line)}
.top-in{display:grid;grid-template-columns:1fr 1.05fr;gap:3rem;align-items:center}
.chip{display:inline-block;margin:0 0 1rem;font-family:var(--head);font-size:.88rem;padding:.25rem .9rem;border-radius:999px;background:rgba(242,183,5,.12);color:var(--gold-2);border:1px solid var(--line)}
.top h1{font-family:var(--head);font-weight:700;font-size:clamp(1.95rem,3.7vw,2.85rem);line-height:1.38;margin:0 0 1rem;color:#fff}
.sum{margin:0 0 1.6rem;color:var(--muted)}
.cta{display:flex;flex-wrap:wrap;gap:.9rem}
.mini{font-size:.86rem;color:#7F8CAD;margin-top:1.2rem}
.top-art{margin:0;position:relative}
.top-art img{border-radius:28px;box-shadow:0 30px 60px rgba(0,0,0,.45),0 0 0 1px var(--line)}
.pay{position:absolute;left:-1.5rem;bottom:-2rem;width:240px;background:#fff;color:var(--navy);border-radius:18px;padding:.85rem 1rem;box-shadow:0 18px 40px rgba(0,0,0,.4);animation:rise .8s cubic-bezier(.2,.8,.3,1.2) .2s both}
@keyframes rise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
.pay p{margin:0}
.pay-h{font-size:.78rem;color:#55617F;margin-bottom:.35rem!important}
.pay-r{display:flex;justify-content:space-between;align-items:baseline;padding:.25rem 0;border-top:1px dashed #D5DBEA;font-size:.88rem}
.pay-r s{color:#B23A2E;font-family:var(--head)}
.pay-r.win b{font-family:var(--head);font-size:1.35rem;color:#0E8A5A}

.art{max-width:46rem;margin-inline:auto;padding:3.5rem 0 4rem}
.art h2{font-family:var(--head);font-weight:700;font-size:clamp(1.45rem,2.5vw,1.9rem);line-height:1.5;margin:3.25rem 0 1rem;color:#fff;padding-left:1.1rem;border-left:4px solid var(--gold)}
.art h3{font-family:var(--head);font-weight:600;font-size:1.15rem;color:var(--gold-2);margin:1.4rem 0 .35rem}
.art p{margin:0 0 1.1rem}
.art b{color:#fff}

.pick{background:linear-gradient(150deg,var(--navy-3),var(--navy-2));border-radius:24px;padding:1.5rem;border:1px solid var(--line);box-shadow:0 20px 40px rgba(0,0,0,.3)}
.pick-hd{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;margin-bottom:1rem}
.pick-hd p{margin:0!important;font-family:var(--head);font-weight:600;font-size:1.15rem}
.pick-lg{display:inline-flex;padding:.55rem .9rem;border-radius:12px;background:var(--navy);border:1px solid var(--line)}
.pick-lg img{width:129px;height:30px}
.pick-ul{list-style:none;padding:0;margin:0 0 1.2rem;display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem}
.pick-ul li{background:rgba(13,27,61,.6);border-radius:14px;padding:.65rem .7rem;font-size:.88rem;color:var(--muted);line-height:1.5}
.pick-ul b{display:block;font-family:var(--head);font-size:1.15rem;color:var(--gold-2)}

.four,.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.8rem;margin:1.25rem 0}
.grid{grid-template-columns:repeat(3,1fr)}
.four div,.grid div{background:var(--navy-2);border-radius:18px;padding:1rem 1.1rem;border:1px solid var(--line)}
.four h3,.grid h3{margin:0 0 .3rem}
.four p,.grid p{margin:0;font-size:.95rem;color:var(--muted)}

.caps{list-style:none;padding:0;margin:1.25rem 0;display:grid;gap:.5rem}
.caps li{padding:.75rem 1rem .75rem 2.9rem;border-radius:14px;background:rgba(255,122,107,.1);border:1px solid rgba(255,122,107,.35);position:relative}
.caps li::before{content:"!";position:absolute;left:1rem;top:.8rem;width:1.3rem;height:1.3rem;border-radius:50%;background:var(--bad);color:var(--navy);font-weight:700;display:grid;place-items:center;font-size:.85rem;line-height:1}
.caps b{color:#FFB3A8}

.tbl{overflow-x:auto;margin:1.25rem 0 .75rem;border-radius:18px;background:var(--navy-2);border:1px solid var(--line)}
table{border-collapse:collapse;width:100%;min-width:560px;font-size:.97rem}
caption{text-align:left;padding:.8rem 1rem;font-family:var(--head);font-weight:600;color:var(--gold-2)}
th,td{padding:.7rem .9rem;text-align:left;vertical-align:top;border-top:1px solid var(--line)}
th{background:var(--navy-3);color:#fff;font-weight:500}
td.g{color:var(--good);font-weight:600;font-family:var(--head)}
td.r{color:var(--bad);font-weight:600;font-family:var(--head)}
.fn{font-size:.88rem;color:#7F8CAD}

.ph{margin:2.25rem 0;border-radius:24px;overflow:hidden;background:var(--navy-2);border:1px solid var(--line)}
.ph figcaption{padding:.7rem 1rem;font-size:.92rem;color:var(--muted)}

.flow{list-style:none;counter-reset:f;padding:0;margin:1.5rem 0}
.flow li{counter-increment:f;position:relative;padding:.1rem 0 1.15rem 3.5rem}
.flow li::before{content:counter(f);position:absolute;left:0;top:0;width:2.4rem;height:2.4rem;border-radius:50%;background:var(--gold);color:var(--navy);font-family:var(--head);font-weight:700;display:grid;place-items:center}
.flow li::after{content:"";position:absolute;left:1.15rem;top:2.6rem;bottom:.2rem;width:2px;background:var(--line)}
.flow li:last-child::after{display:none}
.flow b{display:block;font-family:var(--head);color:#fff}
.flow span{color:var(--muted)}

.faq details{background:var(--navy-2);border-radius:16px;margin-bottom:.5rem;border:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:.9rem 2.8rem .9rem 1.1rem;font-family:var(--head);font-weight:600;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:1.1rem;top:.65rem;font-size:1.5rem;color:var(--gold)}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 1.1rem 1rem;margin:0;color:var(--muted)}

.au{display:flex;gap:1.25rem;align-items:center;margin-top:3rem;padding:1.4rem;border-radius:24px;background:var(--navy-2);border:1px solid var(--line)}
.au-img{flex:none;width:96px;height:96px;border-radius:50%;object-fit:cover;border:3px solid var(--gold)}
.au-name{font-family:var(--head);font-weight:700;color:var(--gold-2);margin:0 0 .2rem!important;font-size:1.15rem}
.au p{margin:0;font-size:.97rem}

.ft{background:#081330;color:var(--muted);padding:2.5rem 0 5.5rem;font-size:.93rem;border-top:1px solid var(--line)}
.ft a{color:var(--gold-2)}
.ft .age b{display:inline-grid;place-items:center;width:2.6rem;height:2.6rem;border-radius:50%;background:var(--gold);color:var(--navy);margin-right:.5rem;font-family:var(--head)}
.ft .copy{opacity:.7}
.stk{display:none}

@media (max-width:560px){.au{flex-direction:column;align-items:flex-start}.au-img{width:80px;height:80px}.four{grid-template-columns:1fr}}
@media (max-width:900px){
  .tb nav{display:none}
  .tb .btn-xs{margin-left:auto}
  .top{padding:2rem 0 3.5rem}
  .top-in{grid-template-columns:1fr;gap:2.5rem}
  .pay{left:.5rem;width:215px}
  .pick-ul{grid-template-columns:repeat(2,1fr)}
  .grid{grid-template-columns:1fr 1fr}
  body{font-size:1.04rem}
  .stk{display:block;position:fixed;left:.75rem;right:.75rem;bottom:.75rem;z-index:6;text-align:center;font-family:var(--head);font-weight:700;background:var(--gold);color:var(--navy);text-decoration:none;padding:.9rem;border-radius:999px;box-shadow:0 10px 28px rgba(0,0,0,.45);padding-bottom:calc(.9rem + env(safe-area-inset-bottom,0px))}
}
@media (max-width:480px){.grid{grid-template-columns:1fr}}

/* table of contents */
.toc{margin:2rem 0 0;background:#162A57;border:1px solid rgba(242,183,5,.3);border-radius:14px}
.toc summary{cursor:pointer;list-style:none;padding:.85rem 1.1rem;font-weight:700;color:#F2B705;display:flex;justify-content:space-between;align-items:center}
.toc summary::-webkit-details-marker{display:none}
.toc summary::after{content:"▾";transition:transform .2s}
.toc[open] summary::after{transform:rotate(180deg)}
.toc ol{margin:0;padding:0 1.1rem 1rem 2.4rem;columns:2;column-gap:2rem;font-size:.97rem}
.toc li{break-inside:avoid;margin:.2rem 0;color:#AAB6D3}
.toc a{color:#EEF2FB;text-decoration:none}
.toc a:hover{color:#F2B705;text-decoration:underline}
h2[id]{scroll-margin-top:84px}
@media (max-width:640px){.toc ol{columns:1}}