/* SABI4D — 时间轴 hero + 章节卡片流. 墨蓝黑 #141824 × 薄荷青 #7EF0D4 */
:root{
  --bg:#0B0E16;--panel:#141824;--panel2:#1B2130;--text:#E9FBF6;--muted:#9FB4C7;
  --neon:#7EF0D4;--soft:#C8F7EA;--glow:0 0 12px rgba(126,240,212,.4),0 0 26px rgba(126,240,212,.2);
  --grad-panel:linear-gradient(150deg,#1B2130 0%,#0B0E16 100%);
  --font-h:'Playfair Display',serif;--font-b:'Epilogue',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(--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(11,14,22,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(126,240,212,.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:1.2rem;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:.95rem;cursor:pointer;border:1px solid transparent;transition:transform .15s}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,#7EF0D4,#4ED4B4);color:#0B3527;box-shadow:var(--glow)}
.btn-secondary{background:transparent;color:var(--neon);border-color:rgba(126,240,212,.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(126,240,212,.4)}50%{box-shadow:0 0 22px rgba(126,240,212,.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(126,240,212,.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}
/* timeline hero */
.timeline-hero{padding:40px 0 8px}
.tl-band{display:flex;align-items:center;gap:0;padding:10px 16px;border-top:1px solid rgba(126,240,212,.35);border-bottom:1px solid rgba(126,240,212,.35);background:rgba(20,24,36,.6);overflow-x:auto}
.tl-node{flex:1;text-align:center;font-family:var(--font-h);font-size:.85rem;letter-spacing:.18em;color:var(--muted);position:relative;padding:2px 0}
.tl-node:not(:last-child)::after{content:"";position:absolute;right:-4px;top:50%;width:8px;height:8px;border-top:1px solid rgba(126,240,212,.6);border-right:1px solid rgba(126,240,212,.6);transform:translateY(-50%) rotate(45deg)}
.hero-in{text-align:center;padding:34px 16px 42px}
.hero h1{font-family:var(--font-h);font-size:clamp(2.6rem,7vw,4.2rem);letter-spacing:.06em;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}
.section{padding:38px 0}
.section-alt{background:rgba(20,24,36,.55)}
.sec-title{font-family:var(--font-h);font-size:1.6rem;margin-bottom:18px;text-align:center}
.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(126,240,212,.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:1.1rem;margin-bottom:6px;color:var(--neon)}
.glow-card p{color:var(--muted);font-size:.92rem}
.nc-icon{font-size:1.5rem;display:block;margin-bottom:8px}
/* timeline (article) */
.timeline{position:relative;margin:18px 0 18px 8px;padding-left:26px;border-left:2px solid rgba(126,240,212,.5)}
.t-item{position:relative;margin-bottom:20px}
.t-item::before{content:"";position:absolute;left:-33px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--bg);border:2px solid var(--neon);box-shadow:var(--glow)}
.t-era{display:block;font-family:var(--font-h);font-size:1.08rem;color:var(--neon);margin-bottom:4px}
.t-item p{color:var(--muted);font-size:.95rem}
/* flow/checklist */
.flow{margin:16px 0;padding:20px;display:block}
.flow>*{border-radius:10px;padding:11px 14px;margin-bottom:9px;font-size:.95rem;background:rgba(11,14,22,.55);border:1px solid rgba(126,240,212,.35)}
.flow-step strong{color:var(--neon)}
.flow-end{border:1px dashed rgba(126,240,212,.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(1.7rem,4.5vw,2.3rem)}
.prose h2{font-family:var(--font-h);font-size:1.45rem;margin:26px 0 10px}
.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:#0B0E16;border:1px solid rgba(126,240,212,.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(126,240,212,.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:70px 16px}
.err-code{font-family:var(--font-h);font-size:5.2rem;color:var(--neon);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(--neon)}
.site-footer{background:var(--panel);border-top:1px solid rgba(126,240,212,.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(126,240,212,.25);color:var(--muted);font-size:.85rem}
.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(11,14,22,.92);backdrop-filter:blur(8px);border-top:1px solid rgba(126,240,212,.4)}
/* 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(126,240,212,.5)}
}
@media (min-width:1024px){.grid-4{grid-template-columns:repeat(4,1fr)}}
@media (prefers-reduced-motion:reduce){.pulse{animation:none}}