/* JAGAT88 — 星系书架 hero（轨道书架环）+ Orbit Ilmu 轨道卡. 深空蓝黑 #0D1220 × 书灯金 #FFDF9E */
:root{
  --bg:#0D1220;--panel:#131B2E;--panel2:#1A2440;--text:#F4F0E4;--muted:#A9B0C8;
  --gold:#FFDF9E;--gold-deep:#C9A55C;--ink:#070B14;
  --glow:0 0 12px rgba(255,223,158,.4),0 0 26px rgba(255,223,158,.2);
  --grad-panel:linear-gradient(150deg,#1A2440 0%,#0D1220 100%);
  --font-h:'Merienda',cursive;--font-b:'Red Rose',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(--gold);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(13,18,32,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,223,158,.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:1.12rem;color:var(--text);white-space:nowrap;letter-spacing:.03em}
.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(--gold);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,#FFDF9E,#C9A55C);color:#070B14;box-shadow:var(--glow)}
.btn-secondary{background:transparent;color:var(--gold);border-color:rgba(255,223,158,.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(255,223,158,.4)}50%{box-shadow:0 0 22px rgba(255,223,158,.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(--gold);border-radius:2px}
.m-nav{display:none;background:var(--panel);border-bottom:1px solid rgba(255,223,158,.3)}
.m-nav-group{padding:10px 16px}
.m-nav-group h3{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--gold);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}
/* 星系书架 hero：轨道书架环 */
.galaxy-hero{padding:44px 0 6px;background:radial-gradient(60% 70% at 50% 0%,rgba(255,223,158,.12) 0%,rgba(13,18,32,0) 70%)}
.galaxy-head{text-align:center}
.galaxy-head h1{font-family:var(--font-h);font-weight:700;font-size:clamp(2.1rem,6.5vw,3.6rem);letter-spacing:.04em;text-shadow:0 2px 0 #6B5830,0 0 26px rgba(255,223,158,.45)}
.hero-sub{max-width:660px;margin:12px auto 20px;color:var(--muted)}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.galaxy-stage{position:relative;height:420px;max-width:640px;margin:20px auto 0;overflow:hidden}
.orbit{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);border:1px solid rgba(255,223,158,.3);border-radius:50%}
.orbit-1{width:32%;aspect-ratio:1;border-color:rgba(255,223,158,.45)}
.orbit-2{width:58%;aspect-ratio:1.05;border-style:dashed}
.orbit-3{width:84%;aspect-ratio:1.3;border-color:rgba(255,223,158,.16)}
.bk{position:absolute;width:14px;border-radius:3px 3px 2px 2px;background:linear-gradient(180deg,#FFE9BC,#C9A55C);box-shadow:0 0 10px rgba(255,223,158,.45),inset 0 -6px 0 rgba(7,11,20,.28);animation:bk-twinkle 4s ease-in-out infinite}
.bk-1{height:46px;left:18%;top:30%;transform:rotate(-8deg)}
.bk-2{height:36px;left:78%;top:26%;transform:rotate(7deg);animation-delay:.8s}
.bk-3{height:52px;left:12%;top:62%;transform:rotate(5deg);animation-delay:1.6s}
.bk-4{height:40px;left:82%;top:60%;transform:rotate(-6deg);animation-delay:2.4s}
.bk-5{height:34px;left:46%;top:12%;transform:rotate(3deg);animation-delay:1.1s}
.bk-6{height:44px;left:52%;top:78%;transform:rotate(-4deg);animation-delay:2s}
.bk-7{height:30px;left:33%;top:15%;transform:rotate(9deg);animation-delay:.4s}
.bk-8{height:38px;left:64%;top:80%;transform:rotate(6deg);animation-delay:2.8s}
@keyframes bk-twinkle{0%,100%{box-shadow:0 0 10px rgba(255,223,158,.45),inset 0 -6px 0 rgba(7,11,20,.28)}50%{box-shadow:0 0 22px rgba(255,223,158,.85),inset 0 -6px 0 rgba(7,11,20,.28)}}
.core{position:absolute;left:50%;top:50%;width:92px;height:92px;margin:-46px 0 0 -46px;border-radius:50%;background:radial-gradient(circle at 42% 38%,#FFF3D6 0%,#FFDF9E 38%,#B98F4E 100%);box-shadow:0 0 34px rgba(255,223,158,.65),0 0 90px rgba(255,223,158,.28);animation:core-breathe 4.5s ease-in-out infinite}
.core::after{content:"";position:absolute;inset:10px;border:1px dashed rgba(7,11,20,.5);border-radius:50%}
@keyframes core-breathe{0%,100%{box-shadow:0 0 34px rgba(255,223,158,.65),0 0 90px rgba(255,223,158,.28)}50%{box-shadow:0 0 46px rgba(255,223,158,.9),0 0 120px rgba(255,223,158,.4)}}
.comet-orbit{position:absolute;left:50%;top:50%;width:58%;aspect-ratio:1.05;margin-top:calc(-29% * 1.05 / 1);margin-left:-29%;animation:orbit-spin 24s linear infinite}
.comet{position:absolute;left:50%;top:0;width:12px;height:12px;margin-left:-6px;border-radius:50%;background:#FFF3D6;box-shadow:0 0 16px 5px rgba(255,223,158,.8)}
@keyframes orbit-spin{from{transform:rotate(0)}to{transform:rotate(360deg)}}
.stage-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:14px 0 4px}
.chip{font-size:.78rem;letter-spacing:.06em;color:var(--gold);border:1px solid rgba(255,223,158,.4);border-radius:99px;padding:3px 14px;background:rgba(13,18,32,.6)}
.chip-warm{color:#FFF0CC;border-color:#8A6B2A}
.section{padding:38px 0}
.section-alt{background:rgba(19,27,46,.55)}
.sec-title{font-family:var(--font-h);font-weight:700;font-size:1.5rem;margin-bottom:18px;text-align:center;line-height:1.35}
.sec-sub{color:var(--muted);text-align:center;max-width:680px;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(255,223,158,.35);border-radius:14px;padding:18px;color:var(--text);transition:border-color .15s,box-shadow .15s}
.glow-card:hover{border-color:var(--gold);box-shadow:var(--glow);text-decoration:none}
.glow-card h3{font-size:1.05rem;margin-bottom:6px;color:var(--gold)}
.glow-card p{color:var(--muted);font-size:.92rem}
.nc-icon{font-size:1.5rem;display:block;margin-bottom:8px}
/* Orbit Ilmu 知识轨道卡（特色板块） */
.orbit-grid{display:grid;gap:14px;grid-template-columns:1fr;margin-bottom:8px}
.orbit-card{background:var(--grad-panel);border:1px solid rgba(255,223,158,.35);border-radius:14px;overflow:hidden}
.orbit-bar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 14px;font-size:.7rem;letter-spacing:.16em;font-weight:700;color:var(--gold);background:rgba(7,11,20,.72);border-bottom:1px solid rgba(255,223,158,.25)}
.orbit-dot{width:8px;height:8px;border-radius:50%;background:#FFDF9E;flex:0 0 auto;animation:orbit-dot-pulse 1.6s ease-in-out infinite}
@keyframes orbit-dot-pulse{0%,100%{box-shadow:0 0 4px rgba(255,223,158,.9);opacity:1}50%{box-shadow:0 0 12px rgba(255,223,158,.9);opacity:.55}}
.orbit-card h3{font-family:var(--font-h);font-weight:700;font-size:1.14rem;color:var(--gold);padding:12px 16px 2px;line-height:1.4}
.orbit-card p{padding:0 16px;color:var(--muted);font-size:.9rem;margin:6px 0 12px}
.orbit-card .orbit-les{border-left:3px solid var(--gold);border-radius:0 8px 8px 0;background:rgba(255,223,158,.07);color:var(--text);font-size:.86rem;padding:8px 12px;margin:0 16px 14px}
.orbit-les strong{color:var(--gold)}
.trust-zone p{max-width:640px;margin:10px auto;color:var(--muted)}
.trust-zone .pill-18{margin:6px 0 12px}
.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(1.5rem,4.5vw,2.2rem);line-height:1.35}
.prose h2{font-family:var(--font-h);font-weight:700;font-size:1.35rem;margin:26px 0 10px;line-height:1.4}
.prose h3{font-size:1.08rem;font-weight:700;margin:20px 0 8px;color:var(--gold)}
.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(--gold)}
.edu-fig{margin:18px 0}
.edu-fig img{width:100%;height:auto;border-radius:12px;border:1px solid rgba(255,223,158,.35);box-shadow:0 0 18px rgba(255,223,158,.14)}
.edu-fig figcaption{font-size:.85rem;color:var(--muted);margin-top:8px;text-align:center}
.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:#0A0F1C;border:1px solid rgba(255,223,158,.4);border-radius:8px;padding:10px 12px;color:var(--text);font-family:var(--font-b)}
.quick-form input:focus{outline:none;border-color:var(--gold)}
.kamus-grid{display:grid;gap:10px;margin:14px 0}
.kamus-item{background:var(--grad-panel);border:1px solid rgba(255,223,158,.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(--gold)}
.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-weight:700;font-size:5rem;color:var(--gold);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(--gold)}
.site-footer{background:var(--panel);border-top:1px solid rgba(255,223,158,.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(--gold);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(--gold);text-decoration:none}
.pill-18{display:inline-block;border:1px solid var(--gold);color:var(--gold);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(255,223,158,.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(13,18,32,.92);backdrop-filter:blur(8px);border-top:1px solid rgba(255,223,158,.4)}
@media (max-width:767px){
  .header-in{gap:8px}
  .brand{font-size:.98rem}
  .brand .logo-mark{width:26px;height:26px}
  .header-cta{gap:6px}
  .header-cta .btn{padding:8px 13px;font-size:.85rem}
  .burger{padding:5px}
  .galaxy-stage{height:340px}
  .bk{width:11px}
  .bk-1{height:38px}.bk-3{height:44px}.bk-6{height:36px}
  .core{width:78px;height:78px;margin:-39px 0 0 -39px}
}
@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)}
  .orbit-grid{grid-template-columns:repeat(3,1fr)}
  .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(255,223,158,.5)}
  .float-cta .btn-block{width:auto}
}
@media (min-width:1024px){.grid-4{grid-template-columns:repeat(4,1fr)}.orbit-grid{grid-template-columns:repeat(5,1fr)}.orbit-card p{font-size:.84rem}}
@media (prefers-reduced-motion:reduce){.pulse,.bk,.core,.comet-orbit,.orbit-dot{animation:none}}

/* ===== Float CTA Jackpot v2 (2026-09-17): 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(255,223,158,.55)}50%{box-shadow:0 0 24px rgba(255,223,158,.95),0 0 40px rgba(201,165,92,.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}}