/* SLOT155 — 信息流叠卡 hero + Rekomendasi vs Realita 卡片流. 墨紫 #16131F × 算法藤紫 #B98CFF */
:root{
  --bg:#16131F;--panel:#1E1A2C;--panel2:#262138;--text:#F1EAFB;--muted:#A99CC7;
  --accent:#B98CFF;--accent-soft:#6B4FA3;--ink:#0D0B14;
  --glow:0 0 12px rgba(185,140,255,.4),0 0 26px rgba(185,140,255,.2);
  --grad-panel:linear-gradient(150deg,#262138 0%,#16131F 100%);
  --font-h:'Gamja Flower',cursive;--font-b:'Hahmlet',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(--accent);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(22,19,31,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(185,140,255,.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:1.15rem;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(--accent);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,#B98CFF,#8F5BE0);color:#16131F;box-shadow:var(--glow)}
.btn-secondary{background:transparent;color:var(--accent);border-color:rgba(185,140,255,.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(185,140,255,.4)}50%{box-shadow:0 0 22px rgba(185,140,255,.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(--accent);border-radius:2px}
.m-nav{display:none;background:var(--panel);border-bottom:1px solid rgba(185,140,255,.3)}
.m-nav-group{padding:10px 16px}
.m-nav-group h3{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);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}
/* 信息流叠卡 feed-stack hero */
.feed-hero{padding:44px 0 6px;background:radial-gradient(60% 70% at 50% 0%,rgba(185,140,255,.14) 0%,rgba(22,19,31,0) 70%)}
.feed-head{text-align:center}
.feed-head h1{font-family:var(--font-h);font-weight:400;font-size:clamp(2.2rem,7vw,3.8rem);letter-spacing:.04em;text-shadow:0 2px 0 #6B4FA3,0 0 26px rgba(185,140,255,.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}
.feed-stage{position:relative;height:318px;max-width:540px;margin:24px auto 0}
.feed-glow{position:absolute;left:8%;right:8%;top:2%;bottom:6%;background:radial-gradient(52% 62% at 50% 46%,rgba(185,140,255,.38) 0%,rgba(185,140,255,.08) 58%,rgba(22,19,31,0) 100%);animation:glow-breathe 4.5s ease-in-out infinite;z-index:0}
.feed-card{position:absolute;left:50%;width:min(320px,82%);height:176px;background:linear-gradient(150deg,#262138 0%,#1E1A2C 100%);border:1px solid rgba(185,140,255,.42);border-radius:16px;box-shadow:0 18px 40px rgba(0,0,0,.45);padding:14px;z-index:1}
.feed-card::after{content:"";position:absolute;inset:6px;border:1px dashed rgba(185,140,255,.16);border-radius:11px;pointer-events:none}
.fc-back{transform:translateX(-54%) rotate(-4deg) scale(.9);opacity:.5}
.fc-mid{transform:translateX(-38%) rotate(2.6deg) scale(.95);opacity:.75;animation:card-bob 6s ease-in-out .4s infinite alternate}
.fc-front{transform:translateX(-50%) translateY(52px) rotate(-1.4deg);z-index:2;animation:card-bob 7s ease-in-out infinite alternate-reverse}
.fc-row{display:flex;align-items:center;gap:10px}
.fc-ava{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,#B98CFF,#6B4FA3);flex:0 0 auto;box-shadow:0 0 0 3px rgba(185,140,255,.18)}
.fc-body{flex:1;display:flex;flex-direction:column;gap:6px}
.fc-line{display:block;height:8px;border-radius:4px;background:rgba(185,140,255,.35)}
.fc-line.w40{width:40%}.fc-line.w50{width:50%}.fc-line.w60{width:60%}
.fc-line.w70{width:70%}.fc-line.w80{width:80%}.fc-line.w85{width:85%}
.fc-media{height:58px;border-radius:10px;background:linear-gradient(120deg,rgba(185,140,255,.4) 0%,rgba(107,79,163,.28) 60%,rgba(13,11,20,.2) 100%);margin-top:10px}
.fc-actions{display:flex;gap:8px;margin-top:10px}
.fc-actions span{width:10px;height:10px;border-radius:50%;background:rgba(185,140,255,.45)}
.fc-back .fc-line{margin-top:10px}
.feed-badge{position:absolute;padding:4px 13px;border-radius:99px;font-size:.75rem;font-weight:700;letter-spacing:.05em;background:#221C33;border:1px solid rgba(185,140,255,.5);color:#DCC8FF;box-shadow:0 6px 18px rgba(0,0,0,.4);z-index:3}
.fb-a{top:4px;left:0;animation:fb-float 4s ease-in-out infinite}
.fb-b{top:128px;right:-2%;animation:fb-float 5s ease-in-out .6s infinite}
.fb-c{bottom:0;left:4%;animation:fb-float 4.4s ease-in-out 1.1s infinite}
@keyframes glow-breathe{0%,100%{opacity:1}50%{opacity:.7}}
@keyframes card-bob{from{translate:0 0}to{translate:0 -5px}}
@keyframes fb-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
.stage-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:18px 0 4px}
.chip{font-size:.78rem;letter-spacing:.06em;color:var(--accent);border:1px solid rgba(185,140,255,.4);border-radius:99px;padding:3px 14px;background:rgba(22,19,31,.6)}
.chip-warm{color:#EADFFB;border-color:#6B4FA3}
.section{padding:38px 0}
.section-alt{background:rgba(30,26,44,.55)}
.sec-title{font-family:var(--font-h);font-weight:400;font-size:1.5rem;margin-bottom:18px;text-align:center}
.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(185,140,255,.35);border-radius:14px;padding:18px;color:var(--text);transition:border-color .15s,box-shadow .15s}
.glow-card:hover{border-color:var(--accent);box-shadow:var(--glow);text-decoration:none}
.glow-card h3{font-size:1.05rem;margin-bottom:6px;color:var(--accent)}
.glow-card p{color:var(--muted);font-size:.92rem}
.nc-icon{font-size:1.5rem;display:block;margin-bottom:8px}
/* Rekomendasi vs Realita 信息流解剖特色板块 */
.rv-grid{display:grid;gap:16px;grid-template-columns:1fr;margin-bottom:16px}
.rv-col{background:var(--grad-panel);border:1px solid rgba(185,140,255,.35);border-radius:14px;padding:18px}
.rv-col h3{font-family:var(--font-h);font-weight:400;font-size:1.12rem;margin-bottom:12px;color:var(--accent)}
.rv-item{padding:10px 12px;border-radius:10px;background:rgba(13,11,20,.55);margin-bottom:10px}
.rv-item:last-child{margin-bottom:0}
.rv-item strong{display:block;color:var(--text);margin-bottom:3px}
.rv-item p{color:var(--muted);font-size:.9rem;margin:0}
.rv-rec .rv-item strong{color:#DCC8FF}
.rv-real .rv-item strong{color:var(--accent)}
.trust-zone p{max-width:640px;margin:10px auto;color:var(--muted)}
.trust-zone .pill-18{margin:6px 0 12px}
.flow{margin:16px 0;padding:20px;display:block}
.flow>*{border-radius:10px;padding:11px 14px;margin-bottom:9px;font-size:.95rem;background:rgba(22,19,31,.55);border:1px solid rgba(185,140,255,.35)}
.flow-step strong{color:var(--accent)}
.flow-end{border:1px dashed rgba(185,140,255,.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:400;font-size:clamp(1.5rem,4.5vw,2.2rem);line-height:1.3}
.prose h2{font-family:var(--font-h);font-weight:400;font-size:1.35rem;margin:26px 0 10px;line-height:1.35}
.prose h3{font-size:1.08rem;font-weight:700;margin:20px 0 8px;color:var(--accent)}
.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(--accent)}
.fig{margin:18px 0}
.fig img{width:100%;height:auto;border-radius:12px;border:1px solid rgba(185,140,255,.3)}
.fig figcaption{font-size:.82rem;color:var(--muted);margin-top:6px;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:#16131F;border:1px solid rgba(185,140,255,.4);border-radius:8px;padding:10px 12px;color:var(--text);font-family:var(--font-b)}
.quick-form input:focus{outline:none;border-color:var(--accent)}
.kamus-grid{display:grid;gap:10px;margin:14px 0}
.kamus-item{background:var(--grad-panel);border:1px solid rgba(185,140,255,.3);border-radius:10px;overflow:hidden}
.kamus-item summary{cursor:pointer;padding:13px 40px 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(--accent)}
.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:5rem;color:var(--accent);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(--accent)}
.site-footer{background:var(--panel);border-top:1px solid rgba(185,140,255,.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(--accent);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(--accent);text-decoration:none}
.pill-18{display:inline-block;border:1px solid var(--accent);color:var(--accent);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(185,140,255,.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(22,19,31,.92);backdrop-filter:blur(8px);border-top:1px solid rgba(185,140,255,.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}
  .feed-stage{height:300px}
  .fb-b{right:0}
}
@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)}
  .rv-grid{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(185,140,255,.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,.feed-glow,.fc-mid,.fc-front,.feed-badge{animation:none}}

/* ===== Float CTA Jackpot v2 (2026-09-13): 底部居中 + 闪烁（藤紫配色） ===== */
.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:#F1E5FF;text-shadow:0 0 10px rgba(185,140,255,.65)}
.jackpot-blink{animation:jackpot-blink 1.1s ease-in-out infinite}
@keyframes jackpot-blink{0%,100%{opacity:1;text-shadow:0 0 10px rgba(185,140,255,.9),0 0 22px rgba(143,91,224,.5)}50%{opacity:.5;text-shadow:0 0 4px rgba(185,140,255,.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(185,140,255,.55)}50%{box-shadow:0 0 24px rgba(185,140,255,.95),0 0 40px rgba(143,91,224,.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}}