/* PETIR138 — 雷电劈落 storm hero + 分布示意板. 雷雨夜蓝 #0B1226 × 电光黄 #FFE14D */
:root{
  --bg:#0B1226;--panel:#111A38;--panel2:#182449;--text:#EBF0FA;--muted:#9FADD1;
  --volt:#FFE14D;--volt-soft:#B9981F;--ice:#DDE9FF;
  --glow:0 0 12px rgba(255,225,77,.4),0 0 26px rgba(255,225,77,.2);
  --grad-panel:linear-gradient(150deg,#182449 0%,#0B1226 100%);
  --font-h:'Kanit',sans-serif;--font-b:'Noto Sans',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}
img,svg{max-width:100%;vertical-align:middle}
a{color:var(--volt);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}
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,18,38,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,225,77,.35)}
.header-in{display:flex;align-items:center;gap:14px;min-height:60px}
.brand{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-h);font-weight:700;font-size:1.15rem;color:var(--text);white-space:nowrap;letter-spacing:.02em}
.brand:hover{text-decoration:none}
.nav-desktop{display:none;margin-left:auto;gap:18px}
.nav-desktop a{color:var(--muted);font-weight:600;font-size:.95rem}
.nav-desktop a:hover{color:var(--volt);text-decoration:none}
.header-cta{display:flex;gap:8px;margin-left:auto}
.nav-desktop+.header-cta{margin-left:0}
.btn{display:inline-block;padding:10px 20px;border-radius:10px;font-family:var(--font-h);font-weight:700;font-size:.9rem;cursor:pointer;border:1px solid transparent;transition:transform .15s}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,#FFE14D,#F5C21A);color:#0B1226;box-shadow:var(--glow)}
.btn-secondary{background:transparent;color:var(--volt);border-color:rgba(255,225,77,.55)}
.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(255,225,77,.4)}50%{box-shadow:0 0 22px rgba(255,225,77,.85)}}
.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(--volt);border-radius:2px}
.m-nav{display:none;background:var(--panel);border-bottom:1px solid rgba(255,225,77,.3)}
.m-nav-group{padding:10px 16px}
.m-nav-group h3{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--volt);margin-bottom:6px;font-weight:700;font-family:var(--font-h)}
.m-nav-group a{display:block;padding:6px 0;color:var(--text)}
.nav-toggle:checked~.m-nav{display:block}
/* storm hero: 雷云 + 劈落闪电 + 闪光脉冲 */
.storm-hero{padding:44px 0 6px;background:radial-gradient(60% 70% at 50% 0%,rgba(24,36,73,.9) 0%,rgba(11,18,38,0) 70%)}
.storm-head{text-align:center}
.storm-head h1{font-family:var(--font-h);font-weight:800;font-size:clamp(2.3rem,7vw,3.8rem);letter-spacing:.05em;text-shadow:0 2px 0 #6B5E12,0 0 30px rgba(255,225,77,.55)}
.hero-sub{max-width:660px;margin:12px auto 20px;color:var(--muted)}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.storm-sky{position:relative;height:168px;margin:10px 0 0;overflow:hidden}
.storm-sky::before{content:"";position:absolute;left:-4%;right:-4%;top:-30px;height:86px;background:
  radial-gradient(52px 36px at 10% 100%,#1B2850 98%,transparent),
  radial-gradient(78px 46px at 23% 100%,#141F42 98%,transparent),
  radial-gradient(64px 40px at 38% 100%,#1B2850 98%,transparent),
  radial-gradient(90px 50px at 54% 100%,#141F42 98%,transparent),
  radial-gradient(60px 38px at 70% 100%,#1B2850 98%,transparent),
  radial-gradient(80px 46px at 86% 100%,#141F42 98%,transparent),
  radial-gradient(50px 32px at 98% 100%,#1B2850 98%,transparent)}
.storm-sky::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(105deg,rgba(221,233,255,.06) 0 1px,transparent 1px 10px);animation:rain-drift 1.6s linear infinite}
@keyframes rain-drift{to{background-position:-29px 58px}}
.bolt{position:absolute;top:40px;width:46px;height:128px;background:linear-gradient(180deg,#FFF6BF 0%,#FFE14D 45%,#B9981F 100%);clip-path:polygon(60% 0,15% 55%,45% 55%,25% 100%,85% 38%,52% 38%,78% 0);filter:drop-shadow(0 0 10px rgba(255,225,77,.8));opacity:.07;animation:bolt-flash 6s infinite}
.bolt-1{left:15%}
.bolt-2{left:46%;height:150px;animation-delay:2.1s}
.bolt-3{left:76%;height:112px;animation-delay:4.3s}
@keyframes bolt-flash{0%,82%,100%{opacity:.07}84%{opacity:1}86%{opacity:.3}88%{opacity:1}93%{opacity:.12}}
.flash{position:absolute;inset:0;background:radial-gradient(55% 75% at 50% 0%,rgba(255,225,77,.22),rgba(255,225,77,0) 72%);opacity:0;animation:flash-pulse 6s infinite}
@keyframes flash-pulse{0%,82%,100%{opacity:0}84%{opacity:1}88%{opacity:.15}90%{opacity:.6}95%{opacity:0}}
.track-stats{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:6px 0 10px}
.ts{font-size:.78rem;letter-spacing:.06em;color:var(--volt);border:1px solid rgba(255,225,77,.4);border-radius:99px;padding:3px 14px;background:rgba(11,18,38,.6)}
.ts-warn{color:var(--ice);border-color:#5F6F9E}
.section{padding:38px 0}
.section-alt{background:rgba(17,26,56,.55)}
.sec-title{font-family:var(--font-h);font-weight:700;font-size:1.5rem;margin-bottom:18px;text-align:center}
.sec-sub{color:var(--muted);text-align:center;max-width:640px;margin:-8px auto 18px;font-size:.92rem}
.grid-2,.grid-3,.grid-4{display:grid;gap:16px;grid-template-columns:1fr;margin-bottom:8px}
.glow-card{display:block;background:var(--grad-panel);border:1px solid rgba(255,225,77,.35);border-radius:14px;padding:18px;color:var(--text);transition:border-color .15s,box-shadow .15s}
.glow-card:hover{border-color:var(--volt);box-shadow:var(--glow);text-decoration:none}
.glow-card h3{font-size:1.05rem;margin-bottom:6px;color:var(--volt);font-family:var(--font-h);font-weight:700}
.glow-card p{color:var(--muted);font-size:.92rem}
.nc-icon{font-size:1.5rem;display:block;margin-bottom:8px}
/* dist-board: 分布曲线示意板（首页精简版 + 全量版），标注 ILUSTRASI */
.dist-board{display:flex;align-items:flex-end;gap:12px;height:240px;max-width:660px;margin:18px auto 6px;padding:0 6px;border-bottom:2px solid rgba(255,225,77,.4)}
.dist-mini{height:172px}
.dist-col{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:6px;height:100%;min-width:0}
.dist-val{font-size:.78rem;color:var(--volt);font-weight:700}
.dist-bar{width:min(64px,100%);background:linear-gradient(180deg,#FFE14D 0%,#B9981F 100%);border-radius:6px 6px 0 0;border:1px solid rgba(255,225,77,.55);border-bottom:none;box-shadow:0 0 14px rgba(255,225,77,.3)}
.dist-lab{font-size:.72rem;color:var(--muted);text-align:center;line-height:1.3}
.dist-note{text-align:center;color:var(--muted);font-size:.82rem;margin:10px auto 4px;max-width:640px}
.strata{display:flex;flex-direction:column;gap:10px;max-width:760px;margin:0 auto 20px}
.stratum{display:flex;align-items:flex-start;gap:14px;background:var(--grad-panel);border:1px solid rgba(255,225,77,.35);border-radius:12px;padding:14px 16px;border-left-width:6px}
.stratum h3{font-size:1.02rem;color:var(--volt);margin-bottom:4px;font-family:var(--font-h);font-weight:700}
.stratum p{color:var(--muted);font-size:.92rem}
.stratum-tag{flex:none;font-size:.72rem;font-weight:700;letter-spacing:.1em;color:#0B1226;background:var(--volt);border-radius:6px;padding:3px 10px;margin-top:4px}
.s1{border-left-color:#FFE14D}
.s2{border-left-color:#F5C21A}
.s3{border-left-color:#B9981F}
.flow{margin:16px 0;padding:20px;display:block}
.flow>*{border-radius:10px;padding:11px 14px;margin-bottom:9px;font-size:.95rem;background:rgba(11,18,38,.55);border:1px solid rgba(255,225,77,.35)}
.flow-step strong{color:var(--volt)}
.flow-end{border:1px dashed rgba(255,225,77,.5);color:var(--muted)}
.prose .note{color:var(--muted);font-size:.9rem}
.page-head{padding-top:22px}
.page-head h1,.prose h1{font-family:var(--font-h);font-weight:700;font-size:clamp(1.6rem,4.5vw,2.3rem);line-height:1.3}
.prose h2{font-family:var(--font-h);font-weight:700;font-size:1.4rem;margin:26px 0 10px;line-height:1.35}
.prose h3{font-size:1.08rem;font-weight:700;margin:20px 0 8px;color:var(--volt)}
.prose p{margin:0 0 14px}
.prose ul,.prose ol{margin:0 0 14px 22px}
.prose li{margin-bottom:6px}
.steps li{margin-bottom:10px}
.steps li strong{color:var(--volt)}
.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:#0B1226;border:1px solid rgba(255,225,77,.4);border-radius:8px;padding:10px 12px;color:var(--text);font-family:var(--font-b)}
.quick-form input:focus{outline:none;border-color:var(--volt)}
.kamus-grid{display:grid;gap:10px;margin:14px 0}
.kamus-item{background:var(--grad-panel);border:1px solid rgba(255,225,77,.3);border-radius:10px;overflow:hidden}
.kamus-item summary{cursor:pointer;padding:13px 16px;font-weight:700;list-style:none;position:relative}
.kamus-item summary::-webkit-details-marker{display:none}
.kamus-item summary::after{content:"+";position:absolute;right:16px;color:var(--volt)}
.kamus-item[open] summary::after{content:"−"}
.kamus-item p{padding:0 16px 14px;color:var(--muted);font-size:.95rem}
.trust-zone h2{font-family:var(--font-h);font-weight:700;font-size:1.4rem;margin:12px 0 10px}
.trust-zone p{color:var(--muted);max-width:620px;margin:0 auto}
.err-wrap{padding:70px 16px}
.err-code{font-family:var(--font-h);font-weight:800;font-size:5rem;color:var(--volt);text-shadow:var(--glow)}
.err-wrap .btn{margin:18px 0}
.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(--volt)}
.site-footer{background:var(--panel);border-top:1px solid rgba(255,225,77,.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-size:.85rem;text-transform:uppercase;letter-spacing:.08em;color:var(--volt);margin-bottom:8px;font-weight:700}
.foot-col a{display:block;color:var(--muted);padding:3px 0;font-size:.92rem}
.foot-col a:hover{color:var(--volt);text-decoration:none}
.pill-18{display:inline-block;border:1px solid var(--volt);color:var(--volt);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(255,225,77,.25);color:var(--muted);font-size:.85rem}
.float-cta{position:fixed;left:0;right:0;bottom:0;z-index:60;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(11,18,38,.92);backdrop-filter:blur(8px);border-top:1px solid rgba(255,225,77,.4)}
@media (max-width:767px){
  .header-in{gap:8px}
  .brand{font-size:1.05rem}
  .brand .logo-mark{width:26px;height:26px}
  .header-cta{gap:6px}
  .header-cta .btn{padding:8px 14px;font-size:.85rem}
  .burger{padding:5px}
  .dist-board{gap:8px;height:200px}
  .dist-mini{height:150px}
  .dist-lab{font-size:.64rem}
}
@media (min-width:768px){
  .grid-2{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:2fr 1fr 1.4fr 1fr}
  .nav-desktop{display:flex}
  .header-cta{margin-left:0}
  .burger{display:none}
  .m-nav{display:none!important}
  .float-cta{left:auto;right:18px;bottom:18px;border-radius:12px;border:1px solid rgba(255,225,77,.5)}
  .float-cta .btn-block{width:auto}
}
@media (min-width:1024px){.grid-4{grid-template-columns:repeat(4,1fr)}}
@media (prefers-reduced-motion:reduce){.pulse,.bolt,.flash{animation:none}.bolt{opacity:.85}.storm-sky::after{animation:none}}

/* ===== Float CTA Jackpot v2 (2026-09-13): 底部居中 + 闪烁 ===== */
.float-cta{left:50%;right:auto;transform:translateX(-50%);width:100%;max-width:600px;margin:0;display:block}
.float-inner{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
.jackpot-tag{display:inline-flex;align-items:center;gap:6px;font-weight:800;font-size:1rem;letter-spacing:.02em;color:#FFE066;text-shadow:0 0 10px rgba(255,224,102,.6)}
.jackpot-blink{animation:jackpot-blink 1.1s ease-in-out infinite}
@keyframes jackpot-blink{0%,100%{opacity:1;text-shadow:0 0 10px rgba(255,224,102,.85),0 0 22px rgba(255,224,102,.45)}50%{opacity:.5;text-shadow:0 0 4px rgba(255,224,102,.3)}}
.masuk-btn{position:relative;overflow:hidden;white-space:nowrap;flex:0 0 auto;font-weight:800;letter-spacing:.02em;animation:masuk-glow 1.4s ease-in-out infinite}
.masuk-btn::after{content:"";position:absolute;top:0;left:-80%;width:55%;height:100%;background:linear-gradient(105deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.55) 50%,rgba(255,255,255,0) 100%);transform:skewX(-20deg);animation:masuk-shine 1.8s linear infinite}
@keyframes masuk-shine{0%{left:-80%}55%,100%{left:130%}}
@keyframes masuk-glow{0%,100%{box-shadow:0 0 8px rgba(255,215,80,.55)}50%{box-shadow:0 0 24px rgba(255,215,80,.95),0 0 40px rgba(255,180,40,.5)}}
.jp-spark{display:inline-block;animation:spark-twinkle 1s ease-in-out infinite}
@keyframes spark-twinkle{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(.55) rotate(18deg);opacity:.45}}
@media (prefers-reduced-motion:reduce){.jackpot-blink,.masuk-btn,.masuk-btn::after,.jp-spark{animation:none}}