/* complay official site — brand: navy #0F212E, purple #6c5ce7 → teal #00cec9 */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --navy: #0F212E; --navy-2: #122A40; --ink: #0B1B29;
  --purple: #6c5ce7; --teal: #00cec9;
  --text: #EAF3F8; --muted: rgba(234,243,248,.66); --faint: rgba(234,243,248,.45);
  --card: rgba(255,255,255,.045); --line: rgba(255,255,255,.09);
  --grad: linear-gradient(90deg, var(--purple), var(--teal));
  --radius: 16px;
}
html { scroll-behavior: smooth; }
body { background: var(--navy); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; line-height: 1.65; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
::selection { background: rgba(108,92,231,.55); }
a { color: inherit; }
img { display: block; max-width: 100%; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* scroll progress */
.progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; background: var(--grad); z-index: 60; }

/* top bar */
.topbar { display: flex; align-items: center; justify-content: center; gap: 7px; padding: 8px 14px; background: linear-gradient(90deg, rgba(108,92,231,.28), rgba(0,206,201,.22)); font-size: 12px; color: #DCEBFF; text-align: center; }
.topbar svg { width: 15px; height: 15px; flex: none; }
.topbar a { color: #fff; font-weight: 700; white-space: nowrap; text-decoration: underline; text-underline-offset: 3px; }

/* header */
.site-header { position: sticky; top: 0; z-index: 50; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 20px; background: rgba(15,33,46,.88); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid transparent; transition: box-shadow .3s, border-color .3s; }
.site-header.scrolled { border-bottom-color: var(--line); box-shadow: 0 10px 30px rgba(0,0,0,.35); }
.site-header .logo { height: 26px; width: auto; }
.main-nav { display: none; gap: 26px; }
.main-nav a { color: var(--muted); text-decoration: none; font-size: 14.5px; font-weight: 600; transition: color .2s; }
.main-nav a:hover { color: #fff; }
.hdr-actions { display: flex; align-items: center; gap: 10px; }
.lang-btn { background: rgba(255,255,255,.07); border: 1px solid var(--line); color: var(--text); border-radius: 999px; padding: 6px 13px; font-size: 13px; font-weight: 700; cursor: pointer; transition: background .2s; }
.lang-btn:hover { background: rgba(255,255,255,.14); }
.lang-sel { background: rgba(255,255,255,.07); border: 1px solid var(--line); color: var(--text); border-radius: 999px; padding: 6px 10px; font-size: 13px; font-weight: 700; font-family: inherit; cursor: pointer; transition: background .2s; }
.lang-sel:hover { background: rgba(255,255,255,.14); }
.lang-sel option { color: #12212e; background: #fff; font-weight: 600; }

/* buttons */
.btn { display: inline-block; text-decoration: none; font-weight: 800; font-size: 15.5px; padding: 13px 26px; border-radius: 999px; transition: transform .18s, box-shadow .18s, background .18s; }
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 8px 26px rgba(0,206,201,.25); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(108,92,231,.4); }
.btn-ghost { background: rgba(255,255,255,.06); color: var(--text); border: 1px solid rgba(255,255,255,.16); }
.btn-ghost:hover { background: rgba(255,255,255,.12); transform: translateY(-2px); }
.btn-light { background: #fff; color: #20304A; box-shadow: 0 10px 26px rgba(0,0,0,.25); }
.btn-light:hover { transform: translateY(-2px); }
.btn-sm { padding: 8px 18px; font-size: 14px; }

/* hero */
.hero { position: relative; overflow: hidden; padding: 44px 0 8px; text-align: center; background: radial-gradient(120% 90% at 50% 0%, #17334E 0%, var(--navy) 62%); }
.hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 44px 44px; mask-image: radial-gradient(75% 60% at 50% 32%, #000 30%, transparent 78%); -webkit-mask-image: radial-gradient(75% 60% at 50% 32%, #000 30%, transparent 78%); }
.hero-glow { position: absolute; top: -130px; left: 50%; transform: translateX(-50%); width: 560px; height: 340px; background: radial-gradient(closest-side, rgba(108,92,231,.4), rgba(0,206,201,.12), transparent); filter: blur(12px); pointer-events: none; }
.hero-inner { position: relative; }
.hero-logo { width: min(400px, 76vw); margin: 6px auto 2px; animation: breathe 5.5s ease-in-out infinite; }
@keyframes breathe { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
.hero-tag { font-size: 12.5px; letter-spacing: 4.5px; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 20px; }
.hero h1 { font-size: clamp(29px, 6.4vw, 46px); line-height: 1.25; font-weight: 900; letter-spacing: .5px; }
.hero-sub { color: var(--muted); font-size: clamp(14.5px, 3.6vw, 17px); max-width: 640px; margin: 16px auto 0; }
.hero-cta { display: flex; flex-direction: column; gap: 11px; align-items: center; margin-top: 26px; }
.hero-note { margin-top: 15px; font-size: 12.5px; color: var(--faint); letter-spacing: .4px; }

/* stats */
.stats { display: flex; margin: 34px auto 0; max-width: 720px; background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 20px 6px; backdrop-filter: blur(8px); box-shadow: 0 22px 44px rgba(0,0,0,.32); }
.stat { flex: 1; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat-num { font-size: clamp(23px, 5.6vw, 32px); font-weight: 900; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-label { font-size: 12.5px; color: var(--muted); margin-top: 3px; }
.stats-note { font-size: 12px; color: var(--faint); margin: 13px 0 30px; }

/* marquee */
.marquee { overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 12px 0; background: rgba(255,255,255,.02); }
.marquee-track { display: flex; gap: 26px; width: max-content; animation: mq 30s linear infinite; font-size: 13.5px; font-weight: 700; letter-spacing: 2.5px; color: rgba(234,243,248,.55); white-space: nowrap; }
.marquee-track svg { color: var(--teal); flex: none; align-self: center; }
@keyframes mq { to { transform: translateX(-50%); } }

/* sections */
.section { padding: 46px 0; }
.section.alt-a { background: var(--navy-2); }
.band-purple { background: linear-gradient(135deg, #2A2350 0%, #3B2A6B 55%, #173F52 100%); }
.band-teal { background: linear-gradient(120deg, #0C2B33, #10394A); }
.kicker { font-size: 12px; font-weight: 800; letter-spacing: 3.5px; color: var(--teal); text-transform: uppercase; margin-bottom: 10px; }
.kicker.light { color: #9DF3EF; }
.section h2 { font-size: clamp(22px, 5.2vw, 32px); line-height: 1.35; font-weight: 900; max-width: 640px; }
.sec-sub { color: var(--muted); font-size: 15px; margin-top: 11px; max-width: 640px; }
.sec-sub.light { color: rgba(255,255,255,.78); }

/* reveal on scroll */
.rv { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.25,1); }
.rv.in { opacity: 1; transform: none; }

/* games rail */
.rail-wrap { position: relative; margin-top: 24px; }
.rail { display: flex; gap: 14px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 6px 2px 14px; scrollbar-width: none; cursor: grab; }
.rail::-webkit-scrollbar { display: none; }
.rail.dragging { cursor: grabbing; scroll-snap-type: none; }
.gcard { flex: 0 0 158px; scroll-snap-align: start; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; text-decoration: none; transition: transform .25s, border-color .25s, box-shadow .25s; }
.gcard:hover { transform: translateY(-6px); border-color: rgba(0,206,201,.5); box-shadow: 0 18px 34px rgba(0,0,0,.35); }
.gcard img { width: 100%; aspect-ratio: 4/3; object-fit: cover; background: #0A1826; }
.gcard-body { padding: 11px 13px 13px; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.gcard-name { font-weight: 800; font-size: 15px; }
.gtag { font-size: 10.5px; font-weight: 800; padding: 3px 8px; border-radius: 999px; background: rgba(108,92,231,.25); color: #C9C2FF; white-space: nowrap; }
.rail-arrow { display: none; position: absolute; top: 38%; width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line); background: rgba(11,27,41,.85); color: #fff; font-size: 22px; line-height: 1; cursor: pointer; z-index: 3; transition: background .2s, transform .2s; }
.rail-arrow:hover { background: rgba(108,92,231,.6); transform: scale(1.08); }
.rail-prev { left: -14px; } .rail-next { right: -14px; }
.rail-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 2px; }
.dots { display: flex; gap: 6px; }
.dots i { width: 7px; height: 7px; border-radius: 99px; background: rgba(255,255,255,.22); transition: all .3s; }
.dots i.on { width: 22px; background: var(--grad); }
.rail-hint { font-size: 12px; color: var(--faint); }
.games-more { margin-top: 16px; font-size: 14px; color: var(--muted); }
.games-more a { color: var(--teal); font-weight: 800; text-decoration: none; }
.games-more a:hover { text-decoration: underline; }

/* grids / cards */
.grid { display: grid; gap: 14px; margin-top: 24px; }
.grid-4 { grid-template-columns: 1fr; }
.cat, .feat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; transition: transform .25s, border-color .25s; }
.cat:hover, .feat:hover { transform: translateY(-4px); border-color: rgba(108,92,231,.5); }
.cat h3, .feat h3 { font-size: 16.5px; font-weight: 800; margin-bottom: 7px; }
.cat p, .feat p { font-size: 13.5px; color: var(--muted); }
.feat-ico { width: 42px; height: 42px; border-radius: 12px; background: linear-gradient(135deg, rgba(108,92,231,.35), rgba(0,206,201,.25)); display: flex; align-items: center; justify-content: center; margin-bottom: 13px; color: #B7AEFF; }
.feat-ico svg { width: 22px; height: 22px; }

/* steps */
.steps { margin-top: 26px; display: grid; gap: 14px; }
.step { display: flex; gap: 15px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.13); border-radius: var(--radius); padding: 19px; }
.steps-light .step { background: var(--card); border-color: var(--line); }
.step-num { flex: none; width: 40px; height: 40px; border-radius: 50%; background: var(--grad); color: #fff; font-weight: 900; font-size: 17px; display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 20px rgba(0,0,0,.3); }
.step h3 { font-size: 16px; font-weight: 800; margin-bottom: 4px; }
.step p { font-size: 13.5px; color: var(--muted); }
.band-purple .step p { color: rgba(255,255,255,.75); }
.fair-more { margin-top: 20px; font-size: 14px; color: rgba(255,255,255,.8); max-width: 720px; }
.band-purple .btn-light { margin-top: 20px; }

/* EGC */
.egc-wrap { display: grid; gap: 26px; }
.coins { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; align-content: center; }
.coin { background: rgba(255,255,255,.05); border: 1px solid var(--line); border-radius: 14px; padding: 15px 6px 11px; text-align: center; transition: transform .2s, border-color .2s; }
.coin:hover { transform: translateY(-4px); border-color: rgba(0,206,201,.55); }
.coin img { width: 38px; height: 38px; margin: 0 auto 7px; }
.coin span { font-size: 12.5px; font-weight: 800; letter-spacing: 1px; }
.egc-note { margin-top: 14px; font-size: 14px; color: var(--muted); max-width: 560px; }

/* about */
.about-wrap { display: grid; gap: 24px; }
.about-text p { color: var(--muted); font-size: 15px; margin-top: 14px; max-width: 600px; }
.chips { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 20px; }
.chip { font-size: 12.5px; font-weight: 700; padding: 7px 14px; border-radius: 999px; border: 1px solid rgba(0,206,201,.4); color: #9DF3EF; background: rgba(0,206,201,.07); }
.about-img { border-radius: 20px; border: 1px solid var(--line); box-shadow: 0 24px 48px rgba(0,0,0,.35); width: 100%; }

/* community + cta */
.community { text-align: center; background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 30px 22px; }
.community h3 { font-size: 20px; font-weight: 900; }
.community p { color: var(--muted); font-size: 14.5px; max-width: 620px; margin: 10px auto 20px; }
.cta-band { background: linear-gradient(92deg, var(--purple), var(--teal)); padding: 46px 0; text-align: center; }
.cta-band h2 { font-size: clamp(24px, 5.6vw, 34px); font-weight: 900; color: #fff; }
.cta-band p { color: rgba(255,255,255,.85); margin: 9px 0 22px; font-size: 15px; }

/* FAQ */
.faq-list { margin-top: 22px; display: grid; gap: 11px; }
.faq { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; }
.faq summary { font-weight: 800; font-size: 15px; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; width: 18px; height: 18px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300cec9' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E") center/contain no-repeat; transition: transform .3s; flex: none; }
.faq[open ] summary::after { transform: rotate(45deg); }
.faq p { color: var(--muted); font-size: 14px; margin-top: 10px; }

/* footer */
.site-footer { background: var(--ink); padding: 40px 0 26px; }
.foot-grid { display: grid; gap: 28px; }
.foot-brand img { height: 30px; width: auto; }
.foot-brand p { color: var(--faint); font-size: 13.5px; margin-top: 12px; max-width: 300px; }
.foot-col h4 { font-size: 13px; letter-spacing: 2px; color: var(--faint); margin-bottom: 13px; text-transform: uppercase; }
.foot-col a { display: block; color: var(--muted); text-decoration: none; font-size: 14.5px; padding: 4px 0; transition: color .2s; }
.foot-col a:hover { color: #fff; }
.foot-base { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; border-top: 1px solid var(--line); margin-top: 30px; padding-top: 18px; font-size: 12.5px; color: var(--faint); }
.adult { border: 1.5px solid #E0506B; color: #FF8296; border-radius: 7px; padding: 1px 7px; font-weight: 900; font-size: 12px; }

/* back to top */
.to-top { position: fixed; right: 18px; bottom: 22px; width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--line); background: rgba(11,27,41,.9); color: #fff; font-size: 19px; cursor: pointer; opacity: 0; pointer-events: none; transform: translateY(12px); transition: all .3s; z-index: 55; box-shadow: 0 12px 26px rgba(0,0,0,.4); }
.to-top.show { opacity: 1; pointer-events: auto; transform: none; }
.to-top:hover { background: rgba(108,92,231,.75); }

:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }

/* desktop */
@media (min-width: 720px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .hero-cta { flex-direction: row; justify-content: center; }
  .coins { grid-template-columns: repeat(6, 1fr); }
  .foot-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}
@media (min-width: 1024px) {
  .main-nav { display: flex; }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .egc-wrap { grid-template-columns: 1.2fr .8fr; align-items: center; }
  .coins { grid-template-columns: repeat(3, 1fr); }
  .about-wrap { grid-template-columns: 1fr 1fr; align-items: center; }
  .faq-list { grid-template-columns: 1fr 1fr; align-items: start; }
  .rail-arrow { display: block; }
  .gcard { flex-basis: 196px; }
  .section { padding: 64px 0; }
  .hero { padding-top: 64px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
  .rv { opacity: 1; transform: none; }
}