/* MPO1212 — 翻牌钟 flip-clock hero + 卡片流. 深湖青 #10262B × 柠黄 #FFDD57 */
:root{
  --bg:#0B1A1E;--panel:#10262B;--panel2:#16333A;--text:#E8F1F2;--muted:#9DB8BC;
  --neon:#FFDD57;--ice:#E8F1F2;--glow:0 0 12px rgba(255,221,87,.38),0 0 26px rgba(255,221,87,.18);
  --grad-panel:linear-gradient(150deg,#16333A 0%,#0B1A1E 100%);
  --font-h:'Yeseva One',serif;--font-b:'Bitter',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(--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(11,26,30,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,221,87,.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:400;font-size:1.2rem;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-family:var(--font-b);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,#FFDD57,#F0C24B);color:#10262B;box-shadow:var(--glow)}
.btn-secondary{background:transparent;color:var(--neon);border-color:rgba(255,221,87,.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(255,221,87,.4)}50%{box-shadow:0 0 22px rgba(255,221,87,.8)}}
.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(255,221,87,.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:700}
.m-nav-group a{display:block;padding:6px 0;color:var(--text)}
.nav-toggle:checked~.m-nav{display:block}
/* flip-clock hero */
.flip-hero{padding:44px 0 10px}
.flip-panel{display:flex;flex-direction:column;background:var(--grad-panel);border:1px solid rgba(255,221,87,.5);border-radius:18px;overflow:hidden;box-shadow:var(--glow)}
.flip-head{padding:36px 24px;text-align:center}
.flip-clock{display:inline-flex;align-items:center;gap:6px;margin-bottom:14px}
.flip-digit{display:inline-flex;align-items:center;justify-content:center;width:52px;height:72px;border-radius:10px;background:linear-gradient(180deg,#1B3F47 0%,#16333A 48%,#0E2227 52%,#122B31 100%);border:1px solid rgba(255,221,87,.45);color:var(--neon);font-family:var(--font-h);font-size:2.6rem;line-height:1;position:relative;box-shadow:inset 0 -6px 14px rgba(0,0,0,.4),0 0 14px rgba(255,221,87,.15)}
.flip-digit::after{content:"";position:absolute;left:6px;right:6px;top:50%;height:2px;background:rgba(11,26,30,.9)}
.flip-colon{color:var(--neon);font-family:var(--font-h);font-size:2.2rem;margin:0 2px;text-shadow:var(--glow)}
.flip-head h1{font-family:var(--font-h);font-size:clamp(2.2rem,6.5vw,3.6rem);letter-spacing:.04em}
.hero-sub{max-width:600px;margin:12px auto 20px;color:var(--muted)}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.flip-side{padding:10px 0 14px}
.side-row{display:flex;align-items:center;gap:12px;padding:9px 22px}
.side-label{font-size:.78rem;letter-spacing:.14em;color:var(--muted);width:96px;flex:none;text-transform:uppercase}
.side-dots{display:flex;gap:5px;flex:1}
.side-dots i{width:26px;height:8px;border-radius:99px;background:rgba(255,221,87,.15)}
.side-dots i.on{background:linear-gradient(90deg,#FFDD57,#F0C24B)}
.side-val{font-size:.8rem;color:var(--neon);flex:none}
.side-on .side-label{width:auto}
.side-on .side-toggle{margin-left:auto;font-size:.78rem;color:#10262B;background:var(--neon);border-radius:99px;padding:2px 12px;font-weight:700}
.section{padding:38px 0}
.section-alt{background:rgba(16,38,43,.55)}
.sec-title{font-family:var(--font-h);font-size:1.5rem;margin-bottom:8px;text-align:center;font-weight:400}
.sec-sub{color:var(--muted);text-align:center;margin-bottom:18px;font-size:.92rem}
.tag-ilustrasi{display:inline-block;border:1px dashed rgba(255,221,87,.6);color:var(--neon);font-size:.72rem;letter-spacing:.1em;padding:1px 10px;border-radius:6px}
.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(255,221,87,.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-family:var(--font-h);font-size:1.05rem;margin-bottom:6px;color:var(--neon);font-weight:400}
.glow-card p{color:var(--muted);font-size:.92rem}
.nc-icon{font-size:1.5rem;display:block;margin-bottom:8px}
/* 12:12 rhythm timeline */
.timeline{padding:22px}
.tl-row{display:flex;gap:14px;align-items:flex-start;padding:10px 0;position:relative}
.tl-row+.tl-row{border-top:1px solid rgba(255,221,87,.18)}
.tl-time{font-family:var(--font-h);color:var(--neon);min-width:64px;font-size:1rem}
.tl-dot{width:10px;height:10px;border-radius:50%;background:rgba(255,221,87,.4);border:2px solid var(--neon);flex:none;margin-top:8px}
.tl-dot-hot{background:var(--neon);box-shadow:var(--glow)}
.tl-body{color:var(--muted);font-size:.95rem}
.tl-body strong{color:var(--text)}
/* flow cards */
.flow{margin:16px 0;padding:20px;display:block}
.flow>*{border-radius:10px;padding:11px 14px;margin-bottom:9px;font-size:.95rem;background:rgba(11,26,30,.55);border:1px solid rgba(255,221,87,.35)}
.flow-step strong{color:var(--neon)}
.flow-end{border:1px dashed rgba(255,221,87,.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-size:clamp(1.6rem,4.5vw,2.2rem);font-weight:400}
.prose h2{font-family:var(--font-h);font-size:1.35rem;margin:26px 0 10px;font-weight:400}
.prose h3{font-size:1.08rem;font-weight:700;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:#0B1A1E;border:1px solid rgba(255,221,87,.4);border-radius:8px;padding:10px 12px;color:var(--text);font-family:var(--font-b)}
.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(255,221,87,.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(--neon)}
.kamus-item[open] summary::after{content:"−"}
.kamus-item p{padding:0 16px 14px;color:var(--muted);font-size:.95rem}
.err-wrap{padding:60px 16px}
.err-clock{margin-bottom:18px}
.err-wrap .flip-digit{width:44px;height:62px;font-size:2.1rem}
.err-wrap .flip-colon{font-size:1.8rem}
.err-wrap h2{font-family:var(--font-h);font-weight:400}
.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(255,221,87,.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:700}
.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:700;font-size:.85rem}
.foot-bottom{margin-top:24px;padding-top:16px;border-top:1px solid rgba(255,221,87,.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(11,26,30,.92);backdrop-filter:blur(8px);border-top:1px solid rgba(255,221,87,.4)}
@media (min-width:768px){
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .flip-panel{flex-direction:row}
  .flip-head{flex:1;text-align:left;display:flex;flex-direction:column;justify-content:center}
  .flip-clock{margin-left:0}
  .hero-cta{justify-content:flex-start}
  .flip-side{min-width:320px;display:flex;flex-direction:column;justify-content:center;border-left:1px solid rgba(255,221,87,.35)}
  .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{left:auto;right:18px;bottom:18px;border-radius:12px;border:1px solid rgba(255,221,87,.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{animation:none}}