/* KENANGAN4D — 拍立得相册 hero（polaroid stack）+ Ingatan vs Catatan 对照卡. 相册褐灰 #25201A × 老照片粉 #E8B4BC */
:root{
  --bg:#25201A;--panel:#2E2820;--panel2:#3A322A;--text:#F5EDE3;--muted:#B9A995;
  --pink:#E8B4BC;--pink-deep:#C98E9A;--pink-soft:#8D6B72;--paper:#F2E9DC;--ink:#191410;
  --glow:0 0 12px rgba(232,180,188,.4),0 0 26px rgba(232,180,188,.2);
  --grad-panel:linear-gradient(150deg,#3A322A 0%,#25201A 100%);
  --font-h:'Gelasio',Georgia,serif;--font-b:'Average Sans',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(--pink);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(37,32,26,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(232,180,188,.3)}
.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:1.1rem;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(--pink);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,#E8B4BC,#C98E9A);color:#25201A;box-shadow:var(--glow)}
.btn-secondary{background:transparent;color:var(--pink);border-color:rgba(232,180,188,.5)}
.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(232,180,188,.4)}50%{box-shadow:0 0 22px rgba(232,180,188,.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(--pink);border-radius:2px}
.m-nav{display:none;background:var(--panel);border-bottom:1px solid rgba(232,180,188,.28)}
.m-nav-group{padding:10px 16px}
.m-nav-group h3{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--pink);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}
/* ===== 拍立得相册 hero ===== */
.album-hero{padding:44px 0 8px;background:radial-gradient(60% 70% at 50% 0%,rgba(232,180,188,.13) 0%,rgba(37,32,26,0) 70%)}
.album-head{text-align:center}
.album-head h1{font-family:var(--font-h);font-weight:700;font-size:clamp(2.1rem,6.5vw,3.5rem);letter-spacing:.02em;text-shadow:0 2px 0 #8D6B72,0 0 26px rgba(232,180,188,.45)}
.hero-sub{max-width:640px;margin:12px auto 20px;color:var(--muted)}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.polaroid-stack{position:relative;height:252px;max-width:420px;margin:26px auto 0}
.pol{position:absolute;width:168px;height:196px;background:var(--paper);border-radius:4px;box-shadow:0 14px 30px rgba(0,0,0,.55);padding:11px 11px 0;display:flex;flex-direction:column}
.pol::before{content:"";position:absolute;left:50%;top:-10px;width:64px;height:20px;margin-left:-32px;background:rgba(226,186,194,.62);border:1px solid rgba(201,142,154,.4);transform:rotate(-4deg);box-shadow:0 2px 4px rgba(0,0,0,.18)}
.pol-photo{flex:1;border-radius:2px;box-shadow:inset 0 0 18px rgba(25,20,16,.45);position:relative;overflow:hidden}
.pol-photo::after{content:"";position:absolute;right:10%;top:8%;width:26%;height:26%;border-radius:50%;background:radial-gradient(circle,rgba(245,237,227,.75) 0%,rgba(232,180,188,.35) 60%,rgba(232,180,188,0) 100%)}
.pa{background:linear-gradient(168deg,#6E5245 0%,#A97F72 52%,#E8B4BC 100%)}
.pb{background:linear-gradient(168deg,#4A4038 0%,#8D6B72 48%,#D9A7B0 100%)}
.pc{background:linear-gradient(168deg,#7A5A62 0%,#B98A93 55%,#F0CFD4 100%)}
.pol-cap{height:38px;display:flex;align-items:center;justify-content:center;font-family:var(--font-h);font-style:italic;color:#6B564B;font-size:.85rem}
.pol-a{left:0;top:8px;transform:rotate(-8deg);animation:pol-float-a 6.5s ease-in-out infinite}
.pol-b{right:0;top:4px;transform:rotate(7deg);animation:pol-float-b 7.5s ease-in-out .6s infinite}
.pol-c{left:50%;margin-left:-84px;top:26px;transform:rotate(-1.5deg);animation:pol-float-c 8s ease-in-out .3s infinite;z-index:2}
@keyframes pol-float-a{0%,100%{transform:rotate(-8deg) translateY(0)}50%{transform:rotate(-7.4deg) translateY(-7px)}}
@keyframes pol-float-b{0%,100%{transform:rotate(7deg) translateY(0)}50%{transform:rotate(6.4deg) translateY(-6px)}}
@keyframes pol-float-c{0%,100%{transform:rotate(-1.5deg) translateY(0)}50%{transform:rotate(-1deg) 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(--pink);border:1px solid rgba(232,180,188,.4);border-radius:99px;padding:3px 14px;background:rgba(37,32,26,.6)}
.chip-warm{color:#F7E3E7;border-color:var(--pink-soft)}
.section{padding:38px 0}
.section-alt{background:rgba(46,40,32,.55)}
.sec-title{font-family:var(--font-h);font-weight:700;font-size:1.5rem;margin-bottom:18px;text-align:center}
.sec-sub{color:var(--muted);text-align:center;max-width:640px;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(232,180,188,.32);border-radius:14px;padding:18px;color:var(--text);transition:border-color .15s,box-shadow .15s}
.glow-card:hover{border-color:var(--pink);box-shadow:var(--glow);text-decoration:none}
.glow-card h3{font-size:1.05rem;margin-bottom:6px;color:var(--pink);font-family:var(--font-h)}
.glow-card p{color:var(--muted);font-size:.92rem}
.nc-icon{font-size:1.5rem;display:block;margin-bottom:8px}
/* ===== Ingatan vs Catatan 对照拍立得 ===== */
.vs-grid{display:grid;gap:18px;grid-template-columns:1fr;margin:18px 0}
.vs-card{background:var(--paper);border-radius:8px;padding:14px 14px 12px;color:#4A3E34;box-shadow:0 12px 26px rgba(0,0,0,.5);position:relative}
.vs-mem{transform:rotate(-1.2deg)}
.vs-rec{transform:rotate(1.2deg)}
.vs-card::before{content:"";position:absolute;left:50%;top:-10px;width:80px;height:22px;margin-left:-40px;background:rgba(226,186,194,.6);border:1px solid rgba(201,142,154,.4);transform:rotate(-3deg)}
.vs-label{display:inline-block;margin-bottom:10px;font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#8D6B72;border:1px solid #C98E9A;border-radius:99px;padding:2px 12px;background:rgba(232,180,188,.18)}
.vs-photo{border-radius:3px;padding:16px 15px;min-height:112px;margin-bottom:12px;box-shadow:inset 0 0 22px rgba(25,20,16,.28)}
.vs-photo h3{font-family:var(--font-h);font-size:1.18rem;line-height:1.35;margin-bottom:6px}
.vs-photo p{font-size:.92rem}
.vs-photo-mem{background:linear-gradient(160deg,rgba(240,207,212,.92) 0%,rgba(201,142,154,.9) 100%);color:#4A3038}
.vs-photo-rec{background:repeating-linear-gradient(180deg,#241E18 0 26px,#2E2820 26px 27px);color:#F5EDE3}
.vs-photo-rec h3{color:#E8B4BC}
.vs-photo-rec p{color:#CBBBA8}
.vs-list{margin:0 0 4px 20px;font-size:.93rem;line-height:1.6}
.vs-list li{margin-bottom:5px}
.illus-note{max-width:680px;margin:0 auto;color:var(--muted);font-size:.88rem;text-align:center}
.illus-tag{display:inline-block;border:1px solid var(--pink);color:var(--pink);border-radius:6px;padding:1px 10px;font-weight:700;font-size:.72rem;letter-spacing:.1em;margin-right:8px;background:rgba(37,32,26,.6)}
/* 精选 */
.feat-card{position:relative;padding-top:22px}
.feat-no{position:absolute;top:12px;right:16px;font-family:var(--font-h);font-style:italic;font-size:1.6rem;color:rgba(232,180,188,.28);font-weight:700}
.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:1.3}
.prose h2{font-family:var(--font-h);font-weight:700;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(--pink);font-family:var(--font-h)}
.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(--pink)}
.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:#25201A;border:1px solid rgba(232,180,188,.38);border-radius:8px;padding:10px 12px;color:var(--text);font-family:var(--font-b)}
.quick-form input:focus{outline:none;border-color:var(--pink)}
.kamus-grid{display:grid;gap:10px;margin:14px 0}
.kamus-item{background:var(--grad-panel);border:1px solid rgba(232,180,188,.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(--pink)}
.kamus-item[open] summary::after{content:"−"}
.kamus-item p{padding:0 16px 14px;color:var(--muted);font-size:.95rem}
/* 404 空白拍立得 */
.err-wrap{padding:60px 16px}
.err-pol{width:150px;height:172px;background:var(--paper);border-radius:4px;box-shadow:0 14px 30px rgba(0,0,0,.5);margin:0 auto 18px;padding:12px 12px 0;transform:rotate(-3deg);position:relative}
.err-pol::before{content:"";position:absolute;left:50%;top:-10px;width:60px;height:20px;margin-left:-30px;background:rgba(226,186,194,.6);border:1px solid rgba(201,142,154,.4);transform:rotate(-4deg)}
.err-photo{display:block;height:96px;border:2px dashed rgba(141,107,114,.55);border-radius:2px;background:repeating-linear-gradient(45deg,rgba(232,180,188,.12) 0 10px,rgba(232,180,188,.04) 10px 20px)}
.err-code{font-family:var(--font-h);font-weight:700;font-size:4.2rem;color:var(--pink);text-shadow:var(--glow);line-height:1.1}
.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(--pink)}
.site-footer{background:var(--panel);border-top:1px solid rgba(232,180,188,.3);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(--pink);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(--pink);text-decoration:none}
.pill-18{display:inline-block;border:1px solid var(--pink);color:var(--pink);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(232,180,188,.22);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(37,32,26,.92);backdrop-filter:blur(8px);border-top:1px solid rgba(232,180,188,.38)}
@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}
}
@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)}
  .vs-grid{grid-template-columns:repeat(2,1fr)}
  .polaroid-stack{height:288px;max-width:560px}
  .pol{width:212px;height:244px;padding:13px 13px 0}
  .pol-cap{height:44px;font-size:.95rem}
  .pol-a{top:12px}
  .pol-b{top:6px}
  .pol-c{margin-left:-106px;top:30px}
  .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(232,180,188,.45)}
  .float-cta .btn-block{width:auto}
}
@media (min-width:1024px){.grid-4{grid-template-columns:repeat(4,1fr)}}
@media (prefers-reduced-motion:reduce){.pulse,.pol,.err-pol{animation:none}}

/* ===== Float CTA Jackpot v2 (2026-09-13): 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(255,215,80,.55)}50%{box-shadow:0 0 24px rgba(255,215,80,.95),0 0 40px rgba(255,180,40,.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}}