/* SGO777 — 霓虹招牌 hero + 卡片流. 复古棕 #231407 × 霓虹黄 #FFCB47, Monoton+Poppins */
:root{
  --bg:#1A0D04;--panel:#231407;--panel2:#2E1A08;--text:#F7EEDC;--muted:#C9AE85;
  --neon:#FFCB47;--glow:0 0 12px rgba(255,203,71,.45),0 0 28px rgba(255,203,71,.22);
  --grad-panel:linear-gradient(150deg,#2E1A08 0%,#1A0D04 100%);
  --font-h:'Poppins',sans-serif;--font-d:'Monoton',cursive;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font-h);line-height:1.7;font-size:16px}
img,svg{max-width:100%;vertical-align:middle}
a{color:var(--neon);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(26,13,4,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,203,71,.35)}
.header-in{display:flex;align-items:center;gap:14px;min-height:60px}
.brand{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:1.15rem;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(--neon);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-weight:600;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,#FFCB47,#E5A82E);color:#231407;box-shadow:var(--glow)}
.btn-secondary{background:transparent;color:var(--neon);border-color:rgba(255,203,71,.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(255,203,71,.4)}50%{box-shadow:0 0 22px rgba(255,203,71,.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(--neon);border-radius:2px}
.m-nav{display:none;background:var(--panel);border-bottom:1px solid rgba(255,203,71,.3)}
.m-nav-group{padding:10px 16px}
.m-nav-group h3{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--neon);margin-bottom:6px;font-weight:600}
.m-nav-group a{display:block;padding:6px 0;color:var(--text)}
.nav-toggle:checked~.m-nav{display:block}
/* neon sign hero */
.neon-hero{padding:46px 0 8px}
.sign-frame{position:relative;border:2px solid rgba(255,203,71,.7);border-radius:22px;padding:40px 22px 34px;background:var(--grad-panel);box-shadow:var(--glow),inset 0 0 30px rgba(255,203,71,.06)}
.sign-frame::before{content:"";position:absolute;inset:8px;border:1px solid rgba(255,203,71,.35);border-radius:15px;pointer-events:none}
.rivet{position:absolute;width:7px;height:7px;border-radius:50%;background:var(--neon);box-shadow:0 0 6px rgba(255,203,71,.8)}
.rivet.tl{top:16px;left:16px}.rivet.tr{top:16px;right:16px}.rivet.bl{bottom:16px;left:16px}.rivet.br{bottom:16px;right:16px}
.sign-tag{font-size:.72rem;letter-spacing:.35em;color:var(--muted);text-transform:uppercase;text-align:center;margin-bottom:10px}
.neon-title,.sign-frame h1{font-family:var(--font-d);font-weight:400;font-size:clamp(2.6rem,11vw,5rem);text-align:center;color:#FFE29A;letter-spacing:.06em;text-shadow:0 0 8px rgba(255,203,71,.9),0 0 26px rgba(255,203,71,.55),0 0 60px rgba(255,203,71,.3);animation:neon-flicker 5.5s infinite}
@keyframes neon-flicker{0%,100%{opacity:1}92%{opacity:1}93%{opacity:.55}94%{opacity:1}96%{opacity:.7}97%{opacity:1}}
.hero-sub{max-width:560px;margin:14px auto 22px;color:var(--muted);text-align:center}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.neon-tube{height:4px;margin:26px auto 0;max-width:520px;border-radius:99px;background:linear-gradient(90deg,transparent,#FFCB47 30%,#FFF3C9 50%,#FFCB47 70%,transparent);box-shadow:0 0 14px rgba(255,203,71,.7)}
.section{padding:38px 0}
.section-alt{background:rgba(35,20,7,.55)}
.sec-title{font-size:1.5rem;margin-bottom:18px;text-align:center;font-weight:700}
.sec-note{text-align:center;color:var(--muted);font-size:.85rem;margin:-12px 0 16px}
.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(255,203,71,.35);border-radius:14px;padding:18px;color:var(--text);transition:border-color .15s,box-shadow .15s}
.glow-card:hover{border-color:var(--neon);box-shadow:var(--glow);text-decoration:none}
.glow-card h3{font-size:1.05rem;margin-bottom:6px;color:var(--neon);font-weight:600}
.glow-card p{color:var(--muted);font-size:.92rem}
.nc-icon{font-size:1.5rem;display:block;margin-bottom:8px}
/* reel anatomy */
.reel-anatomy{display:grid;gap:16px;grid-template-columns:1fr;margin-top:14px}
.reel-part{background:var(--grad-panel);border:1px solid rgba(255,203,71,.35);border-radius:14px;padding:18px;text-align:center}
.reel-part h3{color:var(--neon);font-size:1rem;margin:12px 0 6px;font-weight:600}
.reel-part p{color:var(--muted);font-size:.92rem}
.drum{position:relative;height:150px;overflow:hidden;border:3px solid #6B4A1F;border-radius:10px;background:linear-gradient(180deg,#3A2210,#231407)}
.symbol-strip{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:6px 0}
.symbol-strip span{font-size:.78rem;letter-spacing:.2em;color:#E8D5AE;font-weight:600}
.symbol-strip .seven{color:var(--neon);text-shadow:0 0 10px rgba(255,203,71,.8);font-size:1rem}
.drum-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(26,13,4,.85),transparent 25%,transparent 75%,rgba(26,13,4,.85))}
.ratchet{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;padding:14px 0}
.ratchet i{width:14px;height:34px;background:linear-gradient(180deg,#FFCB47,#8A6420);clip-path:polygon(50% 0,100% 28%,100% 100%,0 100%,0 28%);border-radius:2px}
.paywin{display:flex;gap:8px;justify-content:center;padding:12px 0}
.pw-cell{width:52px;height:52px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;border:2px solid rgba(255,203,71,.45);border-radius:9px;background:rgba(26,13,4,.6)}
.pw-hit{border-color:var(--neon);color:var(--neon);font-weight:700;box-shadow:var(--glow)}
/* chrono band */
.chrono{display:flex;gap:12px;overflow-x:auto;padding:6px 2px 14px;scrollbar-width:thin}
.chrono-node{flex:0 0 168px;display:flex;flex-direction:column;gap:6px;background:var(--grad-panel);border:1px solid rgba(255,203,71,.4);border-radius:12px;padding:14px;color:var(--text)}
.chrono-node:hover{border-color:var(--neon);box-shadow:var(--glow);text-decoration:none}
.chrono-year{font-family:var(--font-d);font-weight:400;font-size:1.35rem;color:var(--neon);text-shadow:0 0 12px rgba(255,203,71,.6)}
.chrono-cap{font-size:.8rem;color:var(--muted)}
.prose .note{color:var(--muted);font-size:.9rem}
.page-head{padding-top:22px}
.page-head h1,.prose h1{font-size:clamp(1.6rem,4.5vw,2.2rem);font-weight:700}
.prose h2{font-size:1.35rem;margin:26px 0 10px;font-weight:700}
.prose h3{font-size:1.08rem;font-weight:600;margin:20px 0 8px;color:var(--neon)}
.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(--neon)}
.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:#1A0D04;border:1px solid rgba(255,203,71,.4);border-radius:8px;padding:10px 12px;color:var(--text);font-family:var(--font-h)}
.quick-form input:focus{outline:none;border-color:var(--neon)}
.kamus-grid{display:grid;gap:10px;margin:14px 0}
.kamus-item{background:var(--grad-panel);border:1px solid rgba(255,203,71,.3);border-radius:10px;overflow:hidden}
.kamus-item summary{cursor:pointer;padding:13px 16px;font-weight:600;list-style:none;position:relative}
.kamus-item summary::-webkit-details-marker{display:none}
.kamus-item summary::after{content:"+";position:absolute;right:16px;color:var(--neon)}
.kamus-item[open] summary::after{content:"−"}
.kamus-item p{padding:0 16px 14px;color:var(--muted);font-size:.95rem}
.err-wrap{padding:70px 16px}
.err-code{font-family:var(--font-d);font-weight:400;font-size:5rem;color:var(--neon);text-shadow:0 0 12px rgba(255,203,71,.7),0 0 30px rgba(255,203,71,.4)}
.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(--neon)}
.site-footer{background:var(--panel);border-top:1px solid rgba(255,203,71,.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(--neon);margin-bottom:8px;font-weight:600}
.foot-col a{display:block;color:var(--muted);padding:3px 0;font-size:.92rem}
.foot-col a:hover{color:var(--neon);text-decoration:none}
.pill-18{display:inline-block;border:1px solid var(--neon);color:var(--neon);border-radius:999px;padding:2px 12px;font-weight:600;font-size:.85rem}
.foot-bottom{margin-top:24px;padding-top:16px;border-top:1px solid rgba(255,203,71,.25);color:var(--muted);font-size:.85rem}
.float-cta{position:fixed;left:0;right:0;bottom:calc(12px + env(safe-area-inset-bottom));z-index:60;display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;text-align:center;width:max-content;max-width:calc(100vw - 24px);margin:0 auto;padding:10px 16px;background:rgba(26,13,4,.95);backdrop-filter:blur(8px);border:1px solid rgba(255,203,71,.5);border-radius:14px;box-shadow:0 8px 28px rgba(0,0,0,.5),var(--glow)}
.float-jackpot{font-family:var(--font-h);font-weight:700;color:var(--neon);font-size:1.05rem;letter-spacing:.02em;white-space:nowrap}
.float-cta .btn{white-space:nowrap;animation:cta-blink 1.6s ease-in-out infinite}
@keyframes cta-blink{0%,100%{box-shadow:0 0 8px rgba(255,203,71,.45),0 0 20px rgba(255,203,71,.18);transform:scale(1)}50%{box-shadow:0 0 16px rgba(255,203,71,.95),0 0 36px rgba(255,203,71,.45);transform:scale(1.04)}}
@media (min-width:768px){
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .reel-anatomy{grid-template-columns:repeat(3,1fr)}
  .sign-frame{padding:56px 32px}
  .chrono-node{flex:0 0 180px}
  .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}
}
@media (min-width:1024px){.grid-4{grid-template-columns:repeat(4,1fr)}}
@media (prefers-reduced-motion:reduce){.pulse,.neon-title,.sign-frame h1,.float-cta .btn{animation:none}}