:root{
  --bg:#060304;--wine:#1d0809;--wine2:#350d10;--gold:#f4c33f;--gold2:#ffdf78;--red:#d83624;--red2:#7e1715;--ink:#16181d;--muted:#697080;--cream:#fffdf8;--line:#ead9b4;--shadow:0 16px 46px rgba(0,0,0,.35);--sub:https://mahjong333.abginitiative.com/
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-width:320px;background:#050203;color:#fff;font-family:Arial,Helvetica,sans-serif;overflow-x:hidden;padding-bottom:86px}
body::before{content:"";position:fixed;inset:0;z-index:-3;background:#050203 url('../img/bg-lightning.svg') center top/cover fixed no-repeat}
body::after{content:"";position:fixed;inset:0;z-index:-2;background:linear-gradient(90deg,rgba(0,0,0,.45),transparent 22%,transparent 78%,rgba(0,0,0,.48));pointer-events:none}
a{color:inherit}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.site-header{background:#11111b;border-bottom:1px solid rgba(245,193,55,.22);position:relative;z-index:5}.brand-row{height:82px;display:grid;place-items:center}.brand{display:block;width:240px;line-height:0}.brand img{display:block;width:100%;height:auto}.search-strip{height:46px;margin:0;border:2px solid var(--gold);background:#fff;border-radius:9px;display:grid;grid-template-columns:1fr 54px;overflow:hidden}.search-strip input{border:0;outline:0;padding:0 18px;font-size:15px;color:#24242a;background:#fff}.search-strip button{border:0;background:linear-gradient(#a51a17,#74100f);color:#fff;font-size:24px;cursor:pointer}.keyword-nav{min-height:70px;display:flex;justify-content:center;align-items:center;gap:18px;padding:10px 16px;overflow-x:auto;scrollbar-width:none}.keyword-nav::-webkit-scrollbar{display:none}.keyword-nav a{flex:0 0 auto;text-decoration:none;color:#fff;font-size:10px;font-weight:800;text-align:center;display:grid;justify-items:center;gap:4px;letter-spacing:.15px}.keyword-nav img{width:30px;height:30px;border-radius:50%;object-fit:cover;box-shadow:0 0 0 2px rgba(255,210,84,.4)}
.main-wrap{width:min(100% - 28px,1040px);margin:0 auto;padding:28px 0 42px}.hero-section{margin-bottom:28px}.hero-top-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0 0 24px}.hero-top-btn{height:46px;border-radius:11px;display:flex;align-items:center;justify-content:center;text-decoration:none;font-weight:900;font-size:16px;color:#211204;background:linear-gradient(#ffe46d,#f3b31b);border:1px solid #ffe991;box-shadow:0 5px 18px rgba(245,184,34,.35),inset 0 1px #fff7c8}.hero-top-btn.register{background:linear-gradient(#ffde59,#edaa14)}.product-layout{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(330px,.92fr);gap:30px;align-items:start}.product-gallery{display:grid;grid-template-columns:76px 1fr;gap:12px}.thumbs{display:grid;gap:10px;align-content:start}.thumb{border:2px solid rgba(255,207,82,.45);border-radius:8px;overflow:hidden;opacity:.64;background:#120708}.thumb.active{opacity:1;border-color:var(--gold)}.thumb img{display:block;width:100%;aspect-ratio:1;object-fit:cover}.main-banner{display:block;border-radius:12px;overflow:hidden;line-height:0;border:1px solid rgba(255,221,115,.7);box-shadow:0 16px 38px rgba(0,0,0,.48)}.main-banner img{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:cover}.product-info{padding:8px 0;color:#fff;text-shadow:0 2px 6px rgba(0,0,0,.55)}.product-info h1{margin:0 0 18px;color:#ffd22d;font-size:28px;line-height:1.08}.price{font-size:31px;font-weight:900;color:#ffd22d;margin:0 0 16px}.product-info p{font-size:14px;line-height:1.5;font-weight:700;max-width:440px}.product-actions{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:26px 0 16px}.product-actions a{height:46px;display:flex;align-items:center;justify-content:center;border-radius:9px;text-decoration:none;color:#231405;font-weight:900;background:linear-gradient(#ffe666,#efb217);border:1px solid #fff0a7;box-shadow:0 6px 18px rgba(246,185,29,.24)}.support-line{font-size:12px;color:#f5d9a7;opacity:.82}
.section-card{background:#fff;color:var(--ink);border-radius:10px;box-shadow:var(--shadow);padding:30px 26px;margin:0 auto 26px;border-top:2px solid var(--gold)}.section-card h2{margin:0 0 24px;font-size:20px;padding-bottom:14px;border-bottom:1px solid #ecdbae}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-grid article{border:1px solid #ddd8cf;border-left:3px solid #e2b63e;background:#fff;padding:18px;border-radius:8px;min-height:158px;box-shadow:0 3px 9px rgba(0,0,0,.07)}.review-grid h3{margin:0 0 10px;font-size:14px;padding-left:22px;position:relative}.review-grid h3::before{content:"♟";position:absolute;left:0;color:#c77d09}.review-grid p{margin:0;font-size:12.5px;line-height:1.62;color:#4e535d;font-style:italic}.faq-card h2{text-align:center;font-size:23px}.faq-card details{border:1px solid #dddde1;border-radius:8px;background:#fff;margin:0 0 16px;padding:0 18px}.faq-card summary{cursor:pointer;list-style:none;padding:19px 0;font-weight:700;font-size:14px}.faq-card summary::-webkit-details-marker{display:none}.faq-card summary::before{content:"Q.";font-weight:900;margin-right:12px;color:#111}.faq-card details p{margin:0;padding:0 0 20px 33px;font-size:13px;line-height:1.65;color:#535b69}.faq-card details p::before{content:"A.";font-weight:900;margin-left:-33px;margin-right:13px;color:#687183}.notice-strip{background:#fff;color:#121212;border-radius:8px;border:2px solid #f2c440;padding:11px 16px;margin:0 0 22px;font-size:12px;box-shadow:0 8px 24px rgba(0,0,0,.18)}.notice-strip span{color:#cb231d;margin-right:10px}.advantage-card{display:grid;grid-template-columns:1.3fr repeat(3,1fr);align-items:center;background:linear-gradient(135deg,#4a0e12,#8f1d19 55%,#c56b12);padding:28px 30px;border-radius:6px;margin-bottom:26px;box-shadow:var(--shadow);border:1px solid rgba(255,215,100,.45)}.advantage-card h2{margin:0;color:#fff;font-size:28px;line-height:1.08;text-align:center}.advantage-item{text-align:center;color:#fff}.advantage-item strong{display:block;font-size:13px;margin-bottom:8px}.stars{color:#ffd642;letter-spacing:2px;font-size:18px}.advantage-item small{display:block;font-size:10px;margin-top:4px}.article-card{position:relative;background:#fff;color:#14171b;border-radius:10px;padding:26px 26px 28px;margin-bottom:28px;box-shadow:var(--shadow);border-top:2px solid var(--gold)}.article-card h2{margin:0 74px 12px 0;color:#b4271f;font-size:20px;line-height:1.25}.article-card p{font-size:13px;line-height:1.65;margin:10px 0}.article-badge{position:absolute;right:26px;top:-28px;width:66px;height:66px;border-radius:50%;background:#fff;padding:5px;box-shadow:0 5px 16px rgba(0,0,0,.22);border:3px solid #f2c248}.site-footer{width:min(100% - 28px,1040px);margin:0 auto 110px;padding:28px 18px 8px;border-top:1px solid rgba(255,215,107,.25);text-align:center;color:#d3c6b4}.footer-logo{display:block;width:220px;margin:0 auto 12px}.footer-logo img{width:100%;height:auto}.site-footer p{margin:5px 0;font-size:12px}.sticky-nav{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:50;width:min(calc(100% - 34px),980px);height:58px;border-radius:16px;background:linear-gradient(#f9d83a,#e7b410);border:1px solid #ffe977;display:grid;grid-template-columns:repeat(5,1fr);gap:8px;padding:8px;box-shadow:0 12px 32px rgba(0,0,0,.45),0 0 26px rgba(250,196,43,.22)}.sticky-nav a{min-width:0;border-radius:12px;background:#fff8da;text-decoration:none;color:#171717;font-size:11px;font-weight:900;display:flex;align-items:center;justify-content:center;gap:6px;white-space:nowrap}.sticky-nav a.main{background:#fff1b8}.sticky-nav span{color:#c31e18;font-size:9px}
@media(max-width:900px){.main-wrap{width:min(100% - 20px,760px)}.product-layout{grid-template-columns:1fr}.product-gallery{width:min(100%,590px);margin:0 auto}.product-info{text-align:center}.product-info p{margin-left:auto;margin-right:auto}.review-grid{grid-template-columns:repeat(2,1fr)}.advantage-card{grid-template-columns:1fr 1fr;gap:22px}.advantage-card h2{grid-column:1/-1}.keyword-nav{justify-content:flex-start}}
@media(max-width:620px){body{padding-bottom:76px}.brand-row{height:68px}.brand{width:205px}.search-strip{height:42px}.keyword-nav{min-height:62px;gap:14px;padding:8px 10px}.keyword-nav a{font-size:9px}.keyword-nav img{width:26px;height:26px}.main-wrap{padding-top:18px}.hero-top-actions{gap:8px;margin-bottom:14px}.hero-top-btn{height:42px;font-size:14px}.product-gallery{grid-template-columns:54px 1fr;gap:8px}.thumbs{gap:7px}.product-info h1{font-size:23px}.price{font-size:26px}.product-info p{font-size:13px}.product-actions{margin-top:18px}.section-card{padding:22px 15px}.review-grid{grid-template-columns:1fr;gap:12px}.review-grid article{min-height:0}.faq-card details{padding:0 13px}.faq-card summary{font-size:13px}.faq-card details p{font-size:12.5px}.advantage-card{grid-template-columns:1fr;padding:22px 16px}.advantage-card h2{font-size:24px}.article-card{padding:24px 16px}.article-card h2{font-size:18px;margin-right:58px}.article-badge{right:14px;width:56px;height:56px;top:-22px}.sticky-nav{bottom:8px;width:calc(100% - 12px);height:58px;gap:4px;padding:6px;border-radius:13px}.sticky-nav a{font-size:8.5px;gap:3px}.sticky-nav a:nth-child(4){font-size:7.5px}.site-footer{margin-bottom:88px}}
@media(max-width:390px){.product-gallery{grid-template-columns:46px 1fr}.product-info h1{font-size:21px}.sticky-nav a{font-size:8px}.sticky-nav a:nth-child(4){font-size:7px}}

/* v2.1 - subtle hover/focus interactions for clickable UI */
.brand,
.keyword-nav a,
.hero-top-btn,
.main-banner,
.product-actions a,
.footer-logo,
.sticky-nav a,
.search-strip button{
  transition:transform .18s ease,filter .18s ease,box-shadow .18s ease,border-color .18s ease,background .18s ease,color .18s ease;
}

@media (hover:hover) and (pointer:fine){
  .brand:hover{
    transform:translateY(-2px) scale(1.015);
    filter:drop-shadow(0 7px 14px rgba(245,195,63,.22)) brightness(1.05);
  }

  .keyword-nav a:hover{
    color:var(--gold2);
    transform:translateY(-2px);
  }
  .keyword-nav a:hover img{
    filter:brightness(1.08) saturate(1.08);
    box-shadow:0 0 0 2px rgba(255,224,120,.78),0 0 15px rgba(244,195,63,.28);
  }

  .hero-top-btn:hover,
  .product-actions a:hover{
    transform:translateY(-2px);
    filter:brightness(1.06) saturate(1.03);
    box-shadow:0 9px 24px rgba(245,184,34,.42),inset 0 1px #fff9da,0 0 14px rgba(255,215,70,.18);
  }

  .main-banner:hover{
    transform:translateY(-2px) scale(1.006);
    filter:brightness(1.025);
    border-color:rgba(255,228,135,.95);
    box-shadow:0 19px 44px rgba(0,0,0,.52),0 0 22px rgba(244,195,63,.16);
  }

  .footer-logo:hover{
    transform:translateY(-2px) scale(1.015);
    filter:brightness(1.05) drop-shadow(0 6px 12px rgba(244,195,63,.16));
  }

  .sticky-nav a:hover{
    transform:translateY(-2px);
    color:#7b160f;
    background:#fff3bd;
    box-shadow:0 6px 14px rgba(93,20,12,.18),0 0 10px rgba(255,227,112,.32);
  }
  .sticky-nav a.main:hover{
    background:#ffe88b;
    box-shadow:0 6px 15px rgba(93,20,12,.22),0 0 13px rgba(255,210,64,.38);
  }

  .search-strip button:hover{
    transform:scale(1.03);
    filter:brightness(1.1);
    background:linear-gradient(#c72a22,#87120f);
  }
}

.brand:focus-visible,
.keyword-nav a:focus-visible,
.hero-top-btn:focus-visible,
.main-banner:focus-visible,
.product-actions a:focus-visible,
.footer-logo:focus-visible,
.sticky-nav a:focus-visible,
.search-strip button:focus-visible{
  outline:2px solid var(--gold2);
  outline-offset:3px;
}

@media (prefers-reduced-motion:reduce){
  .brand,
  .keyword-nav a,
  .hero-top-btn,
  .main-banner,
  .product-actions a,
  .footer-logo,
  .sticky-nav a,
  .search-strip button{
    transition:none;
  }
}