/* ==========================================================================
   TB688.ONLINE — stylesheet
   Palette: gold / crimson on near-black. Layout pattern inspired by classic
   Thai casino landing pages (marquee + hero + content sections + sticky CTA).
   ========================================================================== */
:root{
  --bg:#07090d;
  --bg-alt:#0a0e15;
  --surface:#0e141d;
  --card:#121a25;
  --text:#e6ecf5;
  --heading:#ffffff;
  --muted:#93a1b5;
  --primary:#ffb020;
  --primary-soft:rgba(255,176,32,.12);
  --on-primary:#1a1200;
  --accent:#ff3b5c;
  --accent-soft:rgba(255,59,92,.12);
  --border:rgba(255,255,255,.10);
  --border-strong:rgba(255,255,255,.18);
  --radius:14px;
  --shadow:0 18px 48px rgba(0,0,0,.55);
  --maxw:1200px;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"Sarabun","Noto Sans Thai","Thonburi","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent);}
h1,h2,h3,h4,h5,h6{color:var(--heading);font-weight:800;line-height:1.35;}
h1{font-size:clamp(2rem,4.4vw,3.2rem);}
h2{font-size:clamp(1.5rem,3vw,2.2rem);}
h3{font-size:clamp(1.15rem,2vw,1.45rem);}
p{margin-bottom:1.05rem;}
ul,ol{margin:0 0 1.1rem 1.25rem;}
li{margin-bottom:.4rem;}
strong{color:var(--heading);}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}
.text-center{text-align:center;}
.mb-0{margin-bottom:0;}

/* ---------- icon helper (inline SVG sprite) ---------- */
.ico{width:1em;height:1em;display:inline-block;vertical-align:-.14em;fill:currentColor;}

/* ---------- marquee ---------- */
.marquee-wrap{background:var(--surface);border-bottom:1px solid var(--border);padding:7px 0;overflow:hidden;}
.marquee-track{display:flex;width:max-content;animation:marq 42s linear infinite;}
.marquee-wrap:hover .marquee-track{animation-play-state:paused;}
.marquee-item{white-space:nowrap;padding:0 30px;font-size:.86rem;color:var(--text);}
.marquee-item span{color:var(--primary);font-weight:700;}
.marquee-item .up{color:#3ddc84;}
@keyframes marq{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ---------- navbar ---------- */
.site-nav{position:sticky;top:0;z-index:900;background:rgba(9,13,19,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);}
.nav-inner{display:flex;align-items:center;gap:18px;min-height:66px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:1.35rem;letter-spacing:.5px;color:var(--heading);}
.brand img{height:40px;width:auto;}
.brand .dot{color:var(--accent);}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;flex-wrap:wrap;}
.nav-links a{color:var(--text);font-weight:600;font-size:.94rem;padding:8px 12px;border-radius:8px;}
.nav-links a:hover,.nav-links a.active{color:var(--primary);background:var(--primary-soft);}
.nav-actions{display:flex;gap:8px;align-items:center;margin-left:8px;}
.btn{border:0;cursor:pointer;font-family:inherit;font-weight:700;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-align:center;}
.btn-sm{padding:9px 16px;font-size:.9rem;}
.btn-login{border:1px solid var(--border-strong);color:var(--text);background:transparent;}
.btn-login:hover{border-color:var(--primary);color:var(--primary);}
.btn-reg{background:var(--primary);color:var(--on-primary);box-shadow:0 6px 20px rgba(255,176,32,.28);}
.btn-reg:hover{color:var(--on-primary);filter:brightness(1.08);transform:translateY(-1px);}
.nav-toggle{display:none;background:transparent;border:1px solid var(--border-strong);color:var(--text);border-radius:8px;padding:8px 11px;font-size:1.1rem;cursor:pointer;margin-left:auto;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 520px at 12% -10%,rgba(255,176,32,.16),transparent 62%),radial-gradient(900px 480px at 92% 8%,rgba(255,59,92,.14),transparent 60%),var(--bg);border-bottom:1px solid var(--border);}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(circle at 50% 30%,#000 20%,transparent 78%);pointer-events:none;}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:64px 0 68px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--accent-soft);border:1px solid rgba(255,59,92,.40);color:#ff8095;font-size:.82rem;font-weight:700;padding:5px 14px;border-radius:999px;margin-bottom:18px;}
.hero h1{margin-bottom:18px;}
.grad{background:linear-gradient(92deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.hero-lead{color:var(--muted);font-size:1.06rem;max-width:56ch;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px;}
.btn-lg{padding:15px 30px;font-size:1.03rem;border-radius:12px;}
.btn-ghost{border:2px solid var(--primary);color:var(--primary);background:transparent;}
.btn-ghost:hover{background:var(--primary);color:var(--on-primary);}
.hero-stats{display:flex;flex-wrap:wrap;gap:10px 34px;}
.hero-stat .num{font-size:1.5rem;font-weight:900;color:var(--primary);line-height:1.2;}
.hero-stat .lbl{font-size:.78rem;color:var(--muted);}
.hero-figure{position:relative;}
.hero-figure img{border-radius:18px;border:1px solid var(--border-strong);box-shadow:var(--shadow);width:100%;}
.hero-figure .float-chip{position:absolute;left:-14px;bottom:22px;background:rgba(10,14,21,.94);border:1px solid var(--border-strong);border-radius:12px;padding:10px 16px;font-size:.84rem;font-weight:700;color:var(--heading);box-shadow:var(--shadow);}
.hero-figure .float-chip b{color:#3ddc84;}

/* ---------- festival strip ---------- */
.festival{background:linear-gradient(100deg,var(--primary),#ff7a2f 55%,var(--accent));color:#1a1200;padding:20px 0;}
.festival .container{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.festival h3{color:#1a1200;font-size:1.2rem;margin-bottom:2px;}
.festival p{color:rgba(26,18,0,.82);margin:0;font-size:.94rem;font-weight:600;}
.btn-dark{background:#14100a;color:#ffd479;padding:12px 26px;border-radius:999px;font-weight:800;}
.btn-dark:hover{color:#fff;background:#000;}

/* ---------- stat bar ---------- */
.statbar{background:var(--surface);border-bottom:1px solid var(--border);padding:34px 0;}
.statbar-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;text-align:center;}
.statbar .s-num{font-size:1.55rem;font-weight:900;color:var(--primary);line-height:1.2;}
.statbar .s-lbl{font-size:.78rem;color:var(--muted);}
.statbar .s-ico{font-size:1.25rem;color:var(--accent);margin-bottom:4px;}

/* ---------- sections ---------- */
.section{padding:66px 0;}
.section.alt{background:var(--bg-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-head{max-width:760px;margin:0 auto 34px;text-align:center;}
.section-head h2{margin-bottom:10px;}
.section-head .lead{color:var(--muted);margin:0;}
.rule{width:58px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--primary),var(--accent));margin:14px auto 18px;}

/* ---------- grids ---------- */
.grid{display:grid;gap:18px;}
.g-2{grid-template-columns:repeat(2,1fr);}
.g-3{grid-template-columns:repeat(3,1fr);}
.g-4{grid-template-columns:repeat(4,1fr);}
.g-5{grid-template-columns:repeat(5,1fr);}

/* ---------- cards ---------- */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px 20px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;}
.card:hover{transform:translateY(-4px);border-color:rgba(255,176,32,.45);box-shadow:0 12px 32px rgba(0,0,0,.45);}
.card .c-ico{width:48px;height:48px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:1.35rem;margin-bottom:14px;}
.card h3,.card h4{font-size:1.05rem;margin-bottom:8px;}
.card p{color:var(--muted);font-size:.92rem;margin:0;}
a.card{display:block;color:inherit;}
a.card:hover{color:inherit;}

/* game tile with image */
.tile{overflow:hidden;border-radius:var(--radius);border:1px solid var(--border);background:var(--card);display:block;transition:transform .2s ease,border-color .2s ease;}
.tile:hover{transform:translateY(-4px);border-color:rgba(255,176,32,.5);}
.tile img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.tile .tile-body{padding:16px 18px;}
.tile h3{font-size:1rem;margin-bottom:6px;color:var(--heading);}
.tile .tile-desc{color:var(--muted);font-size:.88rem;margin:0;}

/* sport card */
.sport{border:1px solid var(--border);border-radius:var(--radius);background:var(--card);overflow:hidden;}
.sport .sport-head{padding:16px 18px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;gap:10px;align-items:flex-start;}
.sport .sport-head h4{font-size:.98rem;margin:0;}
.sport .sport-head .muted{font-size:.82rem;color:var(--muted);}
.live{background:var(--accent);color:#fff;font-size:.7rem;font-weight:800;padding:3px 9px;border-radius:999px;letter-spacing:.4px;}
.odds{display:flex;gap:8px;padding:14px 16px;}
.odds button{flex:1;background:var(--accent-soft);border:1px solid rgba(255,59,92,.30);color:#ff8095;border-radius:9px;padding:7px 4px;font-family:inherit;font-weight:800;font-size:.86rem;cursor:pointer;transition:.18s;}
.odds button small{display:block;font-weight:500;font-size:.72rem;color:var(--muted);}
.odds button:hover{background:var(--accent);color:#fff;}

/* payment */
.pay{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:18px 12px;text-align:center;}
.pay .p-ico{font-size:1.6rem;color:var(--primary);margin-bottom:6px;}
.pay .p-name{font-weight:700;font-size:.88rem;color:var(--heading);}
.pay .p-tag{font-size:.72rem;color:var(--muted);}

/* price / vip */
.price{position:relative;background:var(--card);border:1px solid var(--border);border-radius:18px;padding:32px 24px;text-align:center;}
.price.best{border-color:var(--primary);box-shadow:0 0 34px rgba(255,176,32,.18);}
.price .tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(90deg,var(--primary),var(--accent));color:#1a1200;font-size:.74rem;font-weight:800;padding:4px 18px;border-radius:999px;white-space:nowrap;}
.price .tier{color:var(--muted);font-size:.88rem;font-weight:700;}
.price .amount{font-size:2.3rem;font-weight:900;color:var(--primary);line-height:1.15;}
.price .per{color:var(--muted);font-size:.8rem;margin-bottom:18px;}
.price ul{list-style:none;margin:0 0 22px;text-align:left;}
.price ul li{font-size:.9rem;padding:7px 0;border-bottom:1px solid var(--border);color:var(--text);}
.price ul li:last-child{border-bottom:0;}
.price ul li::before{content:"✓";color:var(--primary);font-weight:900;margin-right:8px;}
.price .btn{width:100%;padding:11px;}

/* table */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);margin:22px 0 26px;}
table.data{width:100%;border-collapse:collapse;min-width:560px;font-size:.92rem;}
table.data th,table.data td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border);}
table.data th{background:rgba(255,255,255,.04);color:var(--primary);font-weight:800;font-size:.86rem;letter-spacing:.2px;white-space:nowrap;}
table.data tr:last-child td{border-bottom:0;}
table.data tbody tr:hover{background:rgba(255,176,32,.05);}

/* article body */
.article{max-width:none;}
.article h2{margin:34px 0 12px;padding-left:14px;border-left:4px solid var(--primary);}
.article h3{margin:26px 0 10px;color:var(--primary);}
.article p{font-size:1.02rem;color:var(--text);}
.article ul li,.article ol li{font-size:1.01rem;}
.article a{text-decoration:underline;text-underline-offset:3px;}
.article-img{border-radius:var(--radius);border:1px solid var(--border-strong);margin:26px 0;width:100%;}
.article figure{margin:26px 0;}
.article figcaption{color:var(--muted);font-size:.84rem;text-align:center;margin-top:8px;}

/* toc */
.toc{background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--primary);border-radius:12px;padding:20px 24px;margin:26px 0 30px;}
.toc .toc-title{font-weight:800;color:var(--heading);margin-bottom:10px;font-size:1.02rem;}
.toc ul{list-style:none;margin:0;column-gap:26px;}
.toc li{margin:0 0 6px;}
.toc a{font-size:.96rem;font-weight:600;}

/* feature list */
.checklist{list-style:none;margin:0 0 22px;}
.checklist li{position:relative;padding-left:30px;margin-bottom:10px;font-size:1rem;}
.checklist li::before{content:"✓";position:absolute;left:0;top:0;color:var(--primary);font-weight:900;}

/* steps */
.steps{counter-reset:st;display:grid;gap:14px;margin:22px 0 28px;}
.step{position:relative;padding:16px 18px 16px 62px;background:var(--card);border:1px solid var(--border);border-radius:12px;}
.step::before{counter-increment:st;content:counter(st);position:absolute;left:16px;top:15px;width:32px;height:32px;border-radius:50%;background:var(--primary);color:var(--on-primary);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:.95rem;}
.step h4{font-size:1rem;margin-bottom:4px;}
.step .step-desc{color:var(--muted);font-size:.9rem;margin:0;}

/* FAQ */
.faq{border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--card);margin-bottom:10px;}
.faq summary{cursor:pointer;list-style:none;padding:16px 46px 16px 18px;font-weight:700;color:var(--heading);font-size:1rem;position:relative;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";position:absolute;right:18px;top:13px;color:var(--primary);font-weight:900;font-size:1.3rem;}
.faq[open] summary::after{content:"–";}
.faq[open] summary{color:var(--primary);}
.faq .faq-answer{padding:0 18px 16px;color:var(--text);font-size:.96rem;}
.faq .faq-answer p{margin:0;}

/* testimonial */
.quote{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px;}
.quote .stars{color:var(--primary);font-size:.9rem;margin-bottom:10px;letter-spacing:2px;}
.quote .txt{font-size:.95rem;color:var(--text);margin-bottom:14px;}
.quote .who{display:flex;align-items:center;gap:10px;}
.quote .av{width:38px;height:38px;border-radius:50%;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:900;}
.quote .who .nm{font-weight:700;font-size:.9rem;color:var(--heading);}
.quote .who .ct{font-size:.78rem;color:var(--muted);}

/* notice */
.notice{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;}
.notice h3{font-size:1.02rem;margin-bottom:8px;}
.notice p{color:var(--muted);font-size:.93rem;margin:0;}

/* article footer note */
.article-note{margin-top:30px;padding-top:18px;border-top:1px solid var(--border);color:var(--muted);font-size:.82rem;}
.article-note strong{color:var(--text);}

/* related links */
.related{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;margin:30px 0;}
.related h3{font-size:1rem;margin-bottom:10px;}
.related ul{list-style:none;margin:0;display:flex;flex-wrap:wrap;gap:8px 20px;}
.related li{margin:0;}
.related a{font-weight:600;font-size:.94rem;}

/* CTA band */
.cta-band{background:linear-gradient(120deg,rgba(255,176,32,.14),rgba(255,59,92,.12));border:1px solid var(--border-strong);border-radius:18px;padding:34px 30px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.cta-band h3{font-size:1.35rem;margin-bottom:4px;}
.cta-band p{color:var(--muted);margin:0;font-size:.95rem;}

/* footer */
.site-footer{background:var(--surface);border-top:1px solid var(--border);padding:50px 0 0;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{color:var(--muted);font-size:.9rem;}
.footer-col h4{font-size:.92rem;letter-spacing:.6px;text-transform:uppercase;color:var(--primary);margin-bottom:12px;}
.footer-col ul{list-style:none;margin:0;}
.footer-col li{margin-bottom:8px;}
.footer-col a{color:var(--muted);font-size:.9rem;}
.footer-col a:hover{color:var(--primary);}
.footer-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px;}
.footer-tags span{background:rgba(255,255,255,.05);border:1px solid var(--border);color:var(--muted);font-size:.74rem;padding:3px 10px;border-radius:999px;}
.footer-bottom{margin-top:34px;border-top:1px solid var(--border);padding:18px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:.8rem;}
.footer-bottom a{color:var(--muted);}

/* sticky mobile CTA */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:950;display:none;gap:10px;padding:10px 14px;background:rgba(7,9,13,.96);border-top:1px solid var(--border-strong);backdrop-filter:blur(8px);}
.sticky-cta .btn{flex:1;padding:13px;}
body{padding-bottom:0;}

/* scroll top */
.to-top{position:fixed;right:18px;bottom:84px;z-index:940;width:44px;height:44px;border-radius:50%;border:1px solid var(--border-strong);background:var(--card);color:var(--primary);font-size:1.1rem;cursor:pointer;opacity:0;pointer-events:none;transition:.25s;}
.to-top.show{opacity:1;pointer-events:auto;}

/* responsive */
@media(max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:34px;padding:48px 0 54px;}
  .hero-figure{order:-1;}
  .g-4,.g-5{grid-template-columns:repeat(2,1fr);}
  .statbar-grid{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .nav-toggle{display:inline-flex;}
  .nav-links{display:none;width:100%;flex-direction:column;align-items:stretch;padding:10px 0 14px;}
  .nav-links.open{display:flex;}
  .nav-actions{width:100%;margin:0 0 12px;}
  .nav-actions .btn{flex:1;}
  .nav-inner{flex-wrap:wrap;padding:8px 0;}
}
@media(max-width:720px){
  .section{padding:48px 0;}
  .g-2,.g-3{grid-template-columns:1fr;}
  .hero-stats{gap:10px 22px;}
  .festival .container{justify-content:center;text-align:center;}
  .cta-band{padding:26px 20px;text-align:center;justify-content:center;}
  .sticky-cta{display:flex;}
  body{padding-bottom:70px;}
  .to-top{bottom:84px;}
  .footer-grid{grid-template-columns:1fr;}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;}
}