/* ============================================================
   TB688 (tb688-th.net) — design system
   โทเคนสี/ฟอนต์/จังหวะระยะ อ้างจากเว็บตัวอย่าง sbobetasia.click
   (Sarabun · ฟ้าหลัก #38bdf8 บน navy #0b1220 · พื้นหลังฟ้าอ่อน #e5f3ff)
   คลาสในไฟล์นี้คือสัญญาดีไซน์ที่ทุกหน้าต้องใช้ ห้ามคิดคลาสใหม่เอง
   ============================================================ */
:root{
  --bg:#e5f3ff; --surface:#ffffff; --ink:#111827; --head:#0b1220;
  --muted:#475569; --sky:#38bdf8; --sky-deep:#0ea5e9; --sky-ink:#021b20;
  --red:#ef4444; --line:rgba(2,6,23,.12); --line-soft:rgba(2,6,23,.07);
  --r-sm:10px; --r-md:16px; --r-lg:22px; --r-pill:999px;
  --shadow:0 12px 34px rgba(2,6,23,.09); --shadow-sky:0 12px 36px rgba(56,189,248,.22);
  --nav-h:64px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font-family:'Sarabun',system-ui,sans-serif;
  font-size:1rem;line-height:1.75;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--sky-deep);text-decoration:none}
a:hover{color:var(--sky-ink)}
h1,h2,h3,h4{color:var(--head);line-height:1.35;font-weight:800}
.container{width:min(1180px,92vw);margin-inline:auto}
section{padding:4.6rem 0}

/* ---------- ปุ่ม ---------- */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:700;font-size:1rem;
  padding:.72rem 1.6rem;border-radius:var(--r-pill);border:2px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease}
.btn-primary{background:var(--sky);color:var(--sky-ink);box-shadow:0 0 22px rgba(56,189,248,.55)}
.btn-primary:hover{background:var(--sky-deep);color:#fff;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.75)}
.btn-outline{border-color:var(--sky);color:var(--sky-deep);background:transparent}
.btn-outline:hover{background:var(--sky);color:var(--sky-ink)}
.btn-dark{background:var(--head);color:#fff}
.btn-dark:hover{background:#12213b;color:#fff;transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:#fff;color:var(--head)}
.btn-lg{padding:.9rem 2.1rem;font-size:1.06rem}
.btn-block{width:100%;justify-content:center}
.cta-row{display:flex;flex-wrap:wrap;gap:.85rem;align-items:center}

/* ---------- แถบข่าววิ่ง ---------- */
.marquee{background:var(--head);overflow:hidden;padding:.5rem 0}
.marquee-track{display:flex;white-space:nowrap;width:max-content;animation:tb-slide 42s linear infinite}
.marquee-track span{color:#fff;font-size:.9rem;padding:0 2.2rem;font-weight:500}
.marquee-track span b{color:var(--sky);font-weight:700}
@keyframes tb-slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- เมนูหลัก ---------- */
.topline{background:var(--head);color:rgba(255,255,255,.72);font-size:.84rem}
.topline .container{display:flex;justify-content:space-between;gap:1rem;padding:.35rem 0;flex-wrap:wrap}
.topline ul{display:flex;gap:1.2rem;list-style:none;flex-wrap:wrap}
.topline b{color:var(--sky)}
.nav-bar{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line);
  box-shadow:0 2px 14px rgba(2,6,23,.07)}
.nav-bar .container{width:min(1440px,94vw)}
.nav-inner{display:flex;align-items:center;gap:.6rem;min-height:var(--nav-h);flex-wrap:nowrap}
.brand{display:flex;align-items:center;flex:0 0 auto;gap:.6rem;font-weight:800;color:var(--head);font-size:1.22rem;letter-spacing:.02em}
.brand img{height:38px;width:auto}
.brand small{display:block;font-size:.58rem;letter-spacing:.22em;color:var(--sky-deep);font-weight:600}
.nav-menu{display:flex;flex-wrap:nowrap;gap:.05rem;list-style:none;margin-left:auto;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.nav-menu::-webkit-scrollbar{display:none}
.nav-menu a{display:block;padding:.44rem .5rem;border-radius:var(--r-sm);color:var(--head);
  font-weight:600;font-size:.9rem;white-space:nowrap;transition:background .18s,color .18s}
.nav-menu a:hover{background:var(--bg);color:var(--sky-deep)}
.nav-menu a[aria-current="page"]{background:var(--bg);color:var(--sky-deep)}
.nav-cta{display:flex;flex:0 0 auto;gap:.5rem;align-items:center}
.nav-cta .btn{padding:.55rem 1.2rem;font-size:.94rem}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:.35rem .6rem;font-size:1.4rem;color:var(--head);cursor:pointer}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--head);padding:5.4rem 0 4.6rem;color:#fff}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(1000px 520px at 88% -12%,rgba(56,189,248,.34),transparent 62%),
  radial-gradient(760px 460px at 4% 106%,rgba(14,165,233,.28),transparent 64%),
  linear-gradient(140deg,#0b1220 0%,#0c2340 52%,#0b3a5c 100%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:3rem;align-items:center}
.hero .kicker{display:inline-flex;align-items:center;gap:.5rem;background:rgba(56,189,248,.16);
  border:1px solid rgba(56,189,248,.42);color:var(--sky);font-size:.8rem;font-weight:700;
  letter-spacing:.08em;padding:.34rem 1rem;border-radius:var(--r-pill);margin-bottom:1.1rem}
.hero h1{color:#fff;font-size:clamp(1.95rem,4.6vw,3.15rem);margin-bottom:1rem;text-shadow:0 2px 22px rgba(0,0,0,.35)}
.hero h1 em{font-style:normal;color:var(--sky)}
.hero .lead{color:rgba(255,255,255,.83);font-size:1.1rem;max-width:34rem;margin-bottom:1.7rem}
.hero .trust{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.5rem}
.hero .trust span{display:inline-flex;align-items:center;gap:.4rem;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.88);font-size:.84rem;
  padding:.3rem .85rem;border-radius:var(--r-pill)}
.hero-visual{position:relative}
.hero-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);padding:1.5rem;backdrop-filter:blur(6px)}
.hero-card h3{color:#fff;font-size:1.1rem;margin-bottom:.9rem}
.board-row{display:flex;justify-content:space-between;align-items:center;gap:1rem;
  padding:.62rem .85rem;border-radius:var(--r-sm);background:rgba(255,255,255,.06);margin-bottom:.5rem}
.board-row span{color:rgba(255,255,255,.85);font-size:.93rem}
.board-row b{color:var(--sky);font-size:1rem}
.orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;pointer-events:none}
.orb-1{width:380px;height:380px;background:var(--sky);top:-130px;right:-70px;animation:tb-float 9s ease-in-out infinite}
.orb-2{width:260px;height:260px;background:var(--sky-deep);bottom:-80px;left:2%;animation:tb-float 11s ease-in-out infinite -3s}
@keyframes tb-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-26px)}}

/* ---------- หัวข้อ section ---------- */
.sec-head{max-width:44rem;margin-bottom:2.2rem}
.sec-head.center{margin-inline:auto;text-align:center}
.label{font-size:.76rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--sky-deep);margin-bottom:.45rem}
.sec-head h2{font-size:clamp(1.55rem,3.2vw,2.3rem);margin-bottom:.7rem;text-wrap:balance}
.sec-head p{color:var(--muted)}
.rule{width:56px;height:4px;border-radius:4px;background:var(--sky);margin:1rem 0 1.5rem}
.sec-head.center .rule{margin-inline:auto}
.on-surface{background:var(--surface)}

/* ---------- การ์ด/กริด ---------- */
.grid{display:grid;gap:1.3rem}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:1.6rem 1.4rem;height:100%}
.card-lift{transition:transform .22s ease,box-shadow .22s ease}
.card-lift:hover{transform:translateY(-6px);box-shadow:var(--shadow-sky)}
.tile{width:52px;height:52px;border-radius:14px;background:var(--bg);color:var(--sky-deep);
  display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:.9rem}
.card h3{font-size:1.12rem;margin-bottom:.45rem}
.card h4{font-size:1.02rem;margin-bottom:.4rem}
.card p{color:var(--muted);font-size:.95rem}
.card ul{color:var(--muted);font-size:.94rem;padding-left:1.15rem}
.card ul li{margin-bottom:.3rem}
.chip{display:inline-block;background:var(--bg);border:1px solid var(--line);color:var(--sky-deep);
  font-size:.8rem;font-weight:600;padding:.24rem .8rem;border-radius:var(--r-pill);margin:.2rem .18rem}
.badge-soft{display:inline-block;background:rgba(56,189,248,.16);border:1px solid rgba(56,189,248,.4);
  color:var(--sky-deep);font-size:.78rem;font-weight:700;padding:.22rem .8rem;border-radius:var(--r-pill);margin-bottom:.7rem}
.badge-red{display:inline-flex;align-items:center;gap:.4rem;background:var(--red);color:#fff;
  font-size:.76rem;font-weight:800;letter-spacing:.06em;padding:.26rem .75rem;border-radius:var(--r-pill)}
.dot{width:9px;height:9px;border-radius:50%;background:#fff;animation:tb-blink 1.1s ease-in-out infinite}
@keyframes tb-blink{0%,100%{opacity:1}50%{opacity:.2}}

/* ---------- โปรโมชั่นแบบสไลด์ ---------- */
.slides{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(300px,1fr);
  gap:1.1rem;overflow-x:auto;padding-bottom:.5rem;scroll-snap-type:x mandatory}
.slide{scroll-snap-align:start;border-radius:var(--r-lg);padding:1.9rem 1.7rem;min-height:190px;
  background:linear-gradient(125deg,var(--sky),var(--sky-deep));color:var(--sky-ink);
  display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}
.slide::after{content:"";position:absolute;width:190px;height:190px;border-radius:50%;
  background:rgba(255,255,255,.22);right:-56px;bottom:-70px}
.slide h3{color:var(--sky-ink);font-size:1.42rem;margin-bottom:.4rem}
.slide p{color:rgba(0,0,0,.68);font-size:.95rem;max-width:22rem}
.slide .tag{background:rgba(0,0,0,.16);color:var(--sky-ink);font-weight:700;font-size:.8rem;
  padding:.24rem .8rem;border-radius:var(--r-pill);align-self:flex-start;margin-bottom:.8rem}
.slide.dark{background:linear-gradient(125deg,#0b1220,#123055);color:#fff}
.slide.dark h3{color:#fff}
.slide.dark p{color:rgba(255,255,255,.78)}
.slide.dark .tag{background:rgba(56,189,248,.2);color:var(--sky)}

/* ---------- ขั้นตอน ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem;counter-reset:tb-step}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:1.5rem 1.3rem;position:relative}
.step::before{counter-increment:tb-step;content:counter(tb-step);display:flex;align-items:center;
  justify-content:center;width:46px;height:46px;border-radius:50%;background:var(--sky);color:var(--sky-ink);
  font-weight:800;font-size:1.2rem;margin-bottom:.9rem}
.step h3{font-size:1.05rem;margin-bottom:.35rem}
.step p{color:var(--muted);font-size:.93rem}

/* ---------- สปอตไลต์ ---------- */
.spotlight{background:var(--surface);border:2px solid rgba(56,189,248,.55);border-radius:var(--r-lg);
  padding:2rem;position:relative;box-shadow:var(--shadow-sky)}
.spotlight .badge-red{position:absolute;top:1.2rem;right:1.2rem}
.spotlight h3{font-size:1.45rem;margin-bottom:.7rem}
.spotlight p{color:var(--muted)}

/* ---------- ตาราง ---------- */
.table-wrap{overflow-x:auto;max-width:100%;border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface)}
table{width:100%;border-collapse:collapse;min-width:520px}
thead th{background:var(--sky);color:var(--sky-ink);font-weight:800;text-align:left;padding:.95rem 1.1rem;font-size:.96rem}
tbody td{padding:.85rem 1.1rem;border-top:1px solid var(--line-soft);font-size:.95rem;color:var(--ink);vertical-align:top}
tbody tr:nth-child(even){background:rgba(56,189,248,.05)}
td.yes{color:#0f766e;font-weight:600}
td.no{color:#b91c1c}

/* ---------- แพ็กเกจ ---------- */
.pkg{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:1.8rem 1.5rem;display:flex;flex-direction:column}
.pkg.feature{border-color:var(--sky);box-shadow:var(--shadow-sky)}
.pkg .price{font-size:2rem;font-weight:800;color:var(--head);margin:.4rem 0 .1rem}
.pkg .price small{font-size:.85rem;color:var(--muted);font-weight:600}
.pkg ul{list-style:none;margin:1rem 0 1.4rem;color:var(--muted);font-size:.94rem}
.pkg ul li{display:flex;gap:.5rem;margin-bottom:.45rem}
.pkg ul li::before{content:"\F26E";font-family:"bootstrap-icons";color:var(--sky-deep)}
.pkg .btn{margin-top:auto}

/* ---------- ช่องทางชำระเงิน ---------- */
.pay-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.9rem}
.pay{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:1.1rem .9rem;text-align:center;font-size:.92rem;font-weight:600;color:var(--head)}
.pay i{display:block;font-size:1.7rem;color:var(--sky-deep);margin-bottom:.4rem}

/* ---------- เสียงรีวิว ---------- */
.quote{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--sky);
  border-radius:var(--r-md);padding:1.4rem 1.3rem}
.quote p{color:var(--ink);font-size:.96rem;margin-bottom:.8rem}
.quote .who{display:flex;align-items:center;gap:.7rem}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--bg);color:var(--sky-deep);
  display:flex;align-items:center;justify-content:center;font-weight:800}
.quote .who b{display:block;font-size:.93rem;color:var(--head)}
.quote .who small{color:var(--muted);font-size:.82rem}

/* ---------- FAQ ---------- */
.faq{max-width:52rem;margin-inline:auto}
details{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:1rem 1.2rem;margin-bottom:.75rem}
details[open]{border-color:rgba(56,189,248,.5)}
summary{font-weight:700;color:var(--head);cursor:pointer;list-style:none;display:flex;
  justify-content:space-between;gap:1rem;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"\F282";font-family:"bootstrap-icons";color:var(--sky-deep);transition:transform .2s}
details[open] summary::after{transform:rotate(180deg)}
details .answer{padding-top:.75rem;color:var(--muted);font-size:.96rem}

/* ---------- หน้าซับ: หัวเรื่อง ---------- */
.page-head{background:var(--head);color:#fff;padding:3.4rem 0 3rem;position:relative;overflow:hidden}
.page-head::before{content:"";position:absolute;inset:0;background:
  radial-gradient(760px 360px at 90% -20%,rgba(56,189,248,.3),transparent 60%),
  linear-gradient(130deg,#0b1220,#0c2340)}
.page-head .container{position:relative;z-index:2;max-width:58rem}
.page-head h1{color:#fff;font-size:clamp(1.6rem,3.6vw,2.5rem);margin-bottom:.75rem}
.page-head p{color:rgba(255,255,255,.82);font-size:1.03rem;max-width:46rem}
.crumbs{display:flex;gap:.5rem;align-items:center;font-size:.85rem;color:rgba(255,255,255,.66);margin-bottom:1rem;flex-wrap:wrap}
.crumbs a{color:var(--sky)}
.crumbs a:hover{color:#fff}

/* ---------- หน้าซับ: เนื้อความ ---------- */
.article{max-width:62rem}
.article h2{font-size:clamp(1.35rem,2.6vw,1.85rem);margin:2.4rem 0 .8rem}
.article h2:first-child{margin-top:0}
.article h3{font-size:1.15rem;margin:1.7rem 0 .5rem}
.article p{color:var(--ink);margin-bottom:1rem}
.article ul,.article ol{color:var(--ink);margin:0 0 1.1rem 1.3rem}
.article li{margin-bottom:.4rem}
.article strong{color:var(--head)}
.aside{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--sky);
  border-radius:var(--r-md);padding:1.3rem 1.4rem;margin:1.6rem 0}
.aside h3{font-size:1.05rem;margin-bottom:.5rem}
.aside p{margin-bottom:.5rem;font-size:.96rem;color:var(--muted)}
.note{background:rgba(56,189,248,.1);border:1px dashed rgba(56,189,248,.5);border-radius:var(--r-md);
  padding:1.1rem 1.3rem;font-size:.95rem;color:var(--ink);margin:1.4rem 0}
.note b{color:var(--sky-ink)}
.kv{list-style:none;margin:0 0 1.2rem;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:.6rem}
.kv li{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:.7rem .9rem;font-size:.94rem;display:flex;justify-content:space-between;gap:.8rem}
.kv li b{color:var(--head)}
.two-col{display:grid;grid-template-columns:1.35fr .65fr;gap:2rem;align-items:start}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:1.4rem}
.side-card h3{font-size:1.05rem;margin-bottom:.6rem}
.side-card ul{list-style:none;padding:0}
.side-card li{margin-bottom:.5rem;font-size:.94rem}
.side-card li a{display:flex;gap:.5rem;align-items:center}

/* ---------- แบนเนอร์ปิดท้าย + footer ---------- */
.band{background:var(--head);color:#fff;text-align:center;position:relative;overflow:hidden}
.band::before{content:"";position:absolute;inset:0;background:
  radial-gradient(700px 320px at 50% 120%,rgba(56,189,248,.32),transparent 62%)}
.band .container{position:relative;z-index:2;max-width:44rem}
.band h2{color:#fff;font-size:clamp(1.5rem,3.2vw,2.15rem);margin-bottom:.9rem}
.band p{color:rgba(255,255,255,.8);margin-bottom:1.6rem}
.band .cta-row{justify-content:center}
footer.site{background:#080e1a;color:rgba(255,255,255,.68);padding:3.2rem 0 1.8rem;font-size:.92rem}
footer.site .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:2rem}
footer.site h4{color:#fff;font-size:1rem;margin-bottom:.9rem}
footer.site ul{list-style:none}
footer.site li{margin-bottom:.45rem}
footer.site a{color:rgba(255,255,255,.68)}
footer.site a:hover{color:var(--sky)}
.age{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;
  border-radius:50%;border:2px solid var(--sky);color:var(--sky);font-weight:800;margin-bottom:.8rem}
.legal{margin-top:2.4rem;border-top:1px solid rgba(255,255,255,.12);padding-top:1.3rem;font-size:.85rem}
.legal p{margin-bottom:.6rem}
.legal b{color:#fff}

/* ---------- แถบ CTA ลอย ---------- */
.sticky-bar{position:fixed;left:50%;transform:translateX(-50%);bottom:1rem;z-index:70;
  background:var(--head);color:#fff;border:1px solid rgba(255,255,255,.14);border-radius:var(--r-pill);
  padding:.6rem .7rem .6rem 1.3rem;display:flex;align-items:center;gap:.8rem;
  box-shadow:0 14px 34px rgba(2,6,23,.4)}
.sticky-bar .txt{font-size:.9rem;font-weight:600}
.sticky-bar .txt small{display:block;color:rgba(255,255,255,.6);font-weight:400;font-size:.76rem}
.sticky-bar .btn{padding:.5rem 1.1rem;font-size:.9rem}
body.is-top .sticky-bar{display:none}

/* ---------- จอเล็ก ---------- */
@media (max-width:1420px){
  .nav-menu a{padding:.4rem .38rem;font-size:.85rem}
  .brand small{display:none}
  .nav-cta .btn{padding:.5rem 1rem;font-size:.9rem}
}
@media (max-width:1024px){
  .g4,.steps,.pay-grid{grid-template-columns:repeat(2,1fr)}
  .hero-inner{grid-template-columns:1fr;gap:2.2rem}
  footer.site .cols{grid-template-columns:1fr 1fr}
  .two-col{grid-template-columns:1fr}
}
@media (max-width:820px){
  .burger{display:block;margin-left:auto}
  .brand img{height:32px}
  .brand{font-size:1.08rem}
  .brand small{display:none}
  .nav-cta .btn{padding:.45rem .85rem;font-size:.87rem}
  .nav-menu{display:none;position:absolute;left:0;right:0;top:100%;background:var(--surface);
    border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:.7rem 5vw 1rem;
    flex-direction:column;margin-left:0;overflow:visible}
  .nav-menu.open{display:flex}
  .nav-menu a{padding:.6rem .5rem}
  .nav-cta .btn-outline{display:none}
  .nav-bar{position:relative}
  section{padding:3.4rem 0}
  .g3,.g2{grid-template-columns:1fr}
  .slides{grid-auto-columns:minmax(260px,85vw)}
  .sticky-bar{left:.6rem;right:.6rem;transform:none;padding:.55rem .6rem .55rem 1rem}
  .sticky-bar .txt small{display:none}
}
@media (max-width:560px){
  .g4,.steps,.pay-grid,footer.site .cols{grid-template-columns:1fr 1fr}
  .kv{grid-template-columns:1fr}
  .sticky-bar .txt{display:none}
  .sticky-bar{justify-content:center}
  .hero .trust span{font-size:.8rem}
}