/* MPO300 — neon marquee hero + grid card flow. 深紫夜 #170F2B × 电光紫 #A855F7 */
:root{
  --bg:#0D0819;--panel:#170F2B;--panel2:#1E1440;--text:#F5F0FF;--muted:#B9A8E0;
  --neon:#A855F7;--cyan:#22D3EE;--glow:0 0 10px rgba(168,85,247,.5),0 0 22px rgba(168,85,247,.28);
  --glow-c:0 0 10px rgba(34,211,238,.45),0 0 22px rgba(34,211,238,.25);
  --grad-panel:linear-gradient(145deg,#170F2B 0%,#0D0819 100%);
  --font-h:'Space Grotesk',sans-serif;--font-b:'Outfit',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font-b);line-height:1.7;font-size:16px;
  background-image:radial-gradient(circle at 15% -10%,rgba(168,85,247,.18),transparent 42%),radial-gradient(circle at 90% 8%,rgba(34,211,238,.10),transparent 38%)}
img,svg{max-width:100%;vertical-align:middle}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 16px}
.container.narrow{max-width:840px}
.center{text-align:center}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(13,8,25,.9);backdrop-filter:blur(10px);border-bottom:1px solid rgba(168,85,247,.35)}
.header-in{display:flex;align-items:center;gap:14px;min-height:60px;flex-wrap:nowrap}
.brand{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-h);font-weight:700;font-size:1.25rem;color:var(--text);white-space:nowrap}
.brand:hover{text-decoration:none}
.nav-desktop{display:none;margin-left:auto;gap:18px}
.nav-desktop a{color:var(--muted);font-weight:500;font-size:.95rem}
.nav-desktop a:hover{color:var(--cyan);text-decoration:none}
.header-cta{display:flex;gap:8px;margin-left:auto}
.nav-desktop+.header-cta{margin-left:0}
/* buttons */
.btn{display:inline-block;padding:10px 20px;border-radius:10px;font-family:var(--font-h);font-weight:700;font-size:.95rem;cursor:pointer;border:1px solid transparent;transition:transform .15s}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,#A855F7,#7C3AED);color:#fff;box-shadow:var(--glow)}
.btn-secondary{background:transparent;color:var(--cyan);border-color:rgba(34,211,238,.55);box-shadow:var(--glow-c)}
.btn-block{display:block;width:100%;text-align:center}
.pulse{animation:pulse-glow 2s infinite}
@keyframes pulse-glow{0%,100%{box-shadow:0 0 8px rgba(168,85,247,.5)}50%{box-shadow:0 0 22px rgba(168,85,247,.9)}}
/* burger */
.nav-toggle{display:none}
.burger{display:flex;flex-direction:column;gap:4px;cursor:pointer;padding:6px;margin-left:4px}
.burger span{width:22px;height:2px;background:var(--cyan);border-radius:2px}
.m-nav{display:none;background:var(--panel);border-bottom:1px solid rgba(168,85,247,.3)}
.m-nav-group{padding:10px 16px}
.m-nav-group h3{font-family:var(--font-h);font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--neon);margin-bottom:6px}
.m-nav-group a{display:block;padding:6px 0;color:var(--text)}
.nav-toggle:checked~.m-nav{display:block}
/* hero + marquee */
.hero{position:relative;padding:0 0 44px;overflow:hidden}
.hero-marquee{overflow:hidden;border-bottom:1px solid rgba(168,85,247,.4);background:rgba(23,15,43,.7);padding:8px 0}
.marquee-track{display:flex;width:max-content;gap:42px;animation:marquee 18s linear infinite;font-family:var(--font-h);font-weight:700;font-size:.78rem;letter-spacing:.14em;color:var(--cyan);text-shadow:var(--glow-c);white-space:nowrap}
@keyframes marquee{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
.hero-in{text-align:center;padding-top:44px}
.hero h1{font-family:var(--font-h);font-size:clamp(2.4rem,7vw,4.2rem);letter-spacing:.06em;color:var(--text);text-shadow:var(--glow)}
.hero-sub{max-width:620px;margin:12px auto 22px;color:var(--muted)}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
/* sections */
.section{padding:40px 0}
.section-alt{background:rgba(23,15,43,.45)}
.sec-title{font-family:var(--font-h);font-size:1.5rem;margin-bottom:18px;text-align:center}
/* cards */
.grid-3,.grid-4{display:grid;gap:16px;grid-template-columns:1fr;margin-bottom:8px}
.neon-card{display:block;background:var(--grad-panel);border:1px solid rgba(168,85,247,.35);border-radius:14px;padding:18px;color:var(--text);transition:border-color .15s,box-shadow .15s}
.neon-card:hover{border-color:var(--cyan);box-shadow:var(--glow-c);text-decoration:none}
.neon-card h3{font-family:var(--font-h);font-size:1.05rem;margin-bottom:6px;color:var(--cyan)}
.neon-card p{color:var(--muted);font-size:.92rem}
.nc-icon{font-size:1.5rem;display:block;margin-bottom:8px}
.pay-grid .neon-card{padding:16px}
/* reward banner */
.reward-banner{display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap;background:linear-gradient(135deg,rgba(168,85,247,.22),rgba(34,211,238,.12));border:1px solid rgba(168,85,247,.5);border-radius:16px;padding:22px}
.reward-banner h2{font-family:var(--font-h);font-size:1.3rem;margin-bottom:4px}
.reward-banner p{color:var(--muted)}
/* kamus accordion */
.kamus-grid{display:grid;gap:10px;margin:14px 0}
.kamus-item{background:var(--grad-panel);border:1px solid rgba(168,85,247,.3);border-radius:10px;padding:0;overflow:hidden}
.kamus-item summary{cursor:pointer;padding:13px 16px;font-family:var(--font-h);font-weight:500;list-style:none;position:relative}
.kamus-item summary::-webkit-details-marker{display:none}
.kamus-item summary::after{content:"+";position:absolute;right:16px;color:var(--cyan)}
.kamus-item[open] summary::after{content:"−"}
.kamus-item p{padding:0 16px 14px;color:var(--muted);font-size:.95rem}
/* prose */
.page-head{padding-top:22px}
.page-head h1,.prose h1{font-family:var(--font-h);font-size:clamp(1.6rem,4.5vw,2.2rem);text-shadow:var(--glow)}
.prose h2{font-family:var(--font-h);font-size:1.35rem;margin:26px 0 10px;color:var(--text)}
.prose h3{font-family:var(--font-h);font-size:1.08rem;margin:20px 0 8px;color:var(--cyan)}
.prose p{margin:0 0 14px;color:var(--text)}
.prose ul,.prose ol{margin:0 0 14px 22px;color:var(--text)}
.prose li{margin-bottom:6px}
.prose .note{color:var(--muted);font-size:.9rem}
.steps li{margin-bottom:10px}
.steps li strong{color:var(--cyan)}
.link-more{font-family:var(--font-h);font-weight:700}
.quick-form{display:grid;gap:8px;max-width:360px;margin:12px 0}
.quick-form label{font-size:.85rem;color:var(--muted)}
.quick-form input{background:#0D0819;border:1px solid rgba(168,85,247,.4);border-radius:8px;padding:10px 12px;color:var(--text);font-family:var(--font-b)}
.quick-form input:focus{outline:none;border-color:var(--cyan)}
/* 404 */
.err-wrap{padding:70px 16px}
.err-code{font-family:var(--font-h);font-size:5rem;font-weight:700;color:var(--neon);text-shadow:var(--glow)}
.err-wrap .btn{margin:18px 0}
/* crumbs */
.crumbs{padding:12px 0 0;font-size:.82rem;color:var(--muted)}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.crumbs li+li::before{content:"›";margin-right:6px;color:var(--neon)}
/* footer */
.site-footer{background:var(--panel);border-top:1px solid rgba(168,85,247,.35);padding:36px 0 92px;margin-top:30px}
.foot-grid{display:grid;gap:24px;grid-template-columns:1fr}
.foot-brand p{color:var(--muted);font-size:.9rem;margin:10px 0}
.foot-col h3{font-family:var(--font-h);font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;color:var(--neon);margin-bottom:8px}
.foot-col a{display:block;color:var(--muted);padding:3px 0;font-size:.92rem}
.foot-col a:hover{color:var(--cyan);text-decoration:none}
.pill-18{display:inline-block;border:1px solid var(--cyan);color:var(--cyan);border-radius:999px;padding:2px 12px;font-weight:700;font-size:.85rem}
.foot-bottom{margin-top:24px;padding-top:16px;border-top:1px solid rgba(168,85,247,.25);color:var(--muted);font-size:.85rem}
/* float CTA */
.float-cta{position:fixed;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;text-align:center;z-index:60;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(13,8,25,.92);backdrop-filter:blur(8px);border-top:1px solid rgba(168,85,247,.4)}
/* breakpoints */
/* 闪烁强化：悬浮按钮 Masuk Situs */
.float-cta .btn-primary{position:relative;overflow:hidden;animation:float-flash 1.5s ease-in-out infinite}
.float-cta .btn-primary::after{content:"";position:absolute;top:0;left:-70%;width:45%;height:100%;background:linear-gradient(105deg,transparent,rgba(255,255,255,.55),transparent);transform:skewX(-20deg);animation:float-shine 2.6s linear infinite;pointer-events:none}
.float-cta .btn-primary::before{content:"\2726";position:absolute;top:0;right:5px;font-size:.72rem;line-height:1.4;color:#fff;text-shadow:0 0 8px var(--neon);animation:sparkle 1.2s ease-in-out infinite;pointer-events:none}
@keyframes float-flash{0%,100%{box-shadow:0 0 8px rgba(255,255,255,.35)}50%{box-shadow:0 0 20px rgba(255,255,255,.7),0 0 36px var(--neon);transform:translateY(-1px) scale(1.05)}}
@keyframes float-shine{0%{left:-70%}55%,100%{left:130%}}
@keyframes sparkle{0%,100%{opacity:.15;transform:scale(.7)}50%{opacity:1;transform:scale(1.2)}}
@media (prefers-reduced-motion:reduce){.float-cta .btn-primary,.float-cta .btn-primary::before,.float-cta .btn-primary::after{animation:none}}
.float-jackpot{font-family:var(--font-h);font-weight:700;color:var(--neon);font-size:1.05rem;letter-spacing:.02em;white-space:nowrap}

@media (min-width:768px){
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:2fr 1fr 1fr 1fr}
  .nav-desktop{display:flex}
  .header-cta{margin-left:0}
  .burger{display:none}
  .m-nav{display:none!important}
  .float-cta{border-radius:12px;border:1px solid rgba(168,85,247,.5)}
}
@media (min-width:1024px){
  .grid-4{grid-template-columns:repeat(4,1fr)}
  .kamus-grid{grid-template-columns:1fr 1fr}
}
@media (prefers-reduced-motion:reduce){
  .marquee-track{animation:none}
  .pulse{animation:none}
}