/* LJO777 — 字母积木 hero（字母块拼名）+ Blok Nama 命名积木卡. 深紫李 #1B1226 × 泡泡糖粉 #FFA9E0 */
:root{
  --bg:#1B1226;--panel:#241935;--panel2:#2D1F42;--text:#F6EEFA;--muted:#C0AED4;
  --accent:#FFA9E0;--accent-deep:#E07BB8;--line:#FFD98F;--ink:#120A1C;
  --glow:0 0 12px rgba(255,169,224,.4),0 0 26px rgba(255,169,224,.2);
  --grad-panel:linear-gradient(150deg,#2D1F42 0%,#1B1226 100%);
  --font-h:'Felipa',cursive;--font-b:'Eczar',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(27,18,38,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,169,224,.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:1.3rem;color:var(--text);white-space:nowrap;letter-spacing:.06em}
.brand:hover{text-decoration:none}
.nav-desktop{display:none;margin-left:auto;gap:18px}
.nav-desktop a{color:var(--muted);font-weight:400;font-size:1.05rem;letter-spacing:.04em}
.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:600;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,#FFA9E0,#E07BB8);color:#2A1240;box-shadow:var(--glow)}
.btn-secondary{background:transparent;color:var(--accent);border-color:rgba(255,169,224,.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(255,169,224,.4)}50%{box-shadow:0 0 22px rgba(255,169,224,.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(255,169,224,.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}
/* 字母积木 hero（字母块拼名 L·J·O·7·7·7） */
.nama-hero{padding:44px 0 6px;background:radial-gradient(60% 70% at 50% 0%,rgba(255,169,224,.13) 0%,rgba(27,18,38,0) 70%)}
.nama-head{text-align:center}
.nama-head h1{font-family:var(--font-h);font-weight:400;font-size:clamp(2.4rem,7.5vw,4rem);letter-spacing:.1em;text-shadow:0 2px 0 #7A3F66,0 0 26px rgba(255,169,224,.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}
.block-stage{position:relative;height:260px;max-width:600px;margin:26px auto 0;overflow:hidden}
.block-glow{position:absolute;left:8%;right:8%;top:8%;bottom:6%;background:radial-gradient(52% 62% at 50% 45%,rgba(255,169,224,.28) 0%,rgba(255,169,224,.08) 58%,rgba(27,18,38,0) 100%);animation:glow-breathe 4.5s ease-in-out infinite}
@keyframes glow-breathe{0%,100%{opacity:1}50%{opacity:.65}}
.block-row{position:absolute;inset:0;display:flex;align-items:flex-end;justify-content:center;gap:10px;padding:0 8px 14px}
.blk{position:relative;width:64px;height:64px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-family:var(--font-h);font-size:2.1rem;line-height:1;color:#2A1240;background:linear-gradient(160deg,#FFC9EC 0%,#FFA9E0 55%,#E07BB8 100%);box-shadow:inset 0 -6px 0 rgba(42,18,64,.22),0 10px 22px rgba(0,0,0,.35),0 0 18px rgba(255,169,224,.3);animation:blk-bob 5s ease-in-out infinite}
.blk::before{content:"";position:absolute;top:-7px;left:14px;width:14px;height:8px;border-radius:5px 5px 2px 2px;background:#FFD8F1;box-shadow:22px 0 0 #FFD8F1}
.blk-lg{width:72px;height:72px;font-size:2.4rem}
.blk-num{color:#FFA9E0;background:linear-gradient(160deg,#3A2A55 0%,#2D1F42 60%,#241935 100%);border:1px solid rgba(255,169,224,.5);box-shadow:inset 0 -6px 0 rgba(0,0,0,.3),0 10px 22px rgba(0,0,0,.35),0 0 16px rgba(255,169,224,.22)}
.blk-num::before{background:#4A3568;box-shadow:22px 0 0 #4A3568}
.b1{margin-bottom:30px;animation-delay:0s}
.b2{margin-bottom:58px;animation-delay:.5s}
.b3{margin-bottom:18px;animation-delay:1s}
.b4{margin-bottom:46px;animation-delay:1.5s}
.b5{margin-bottom:8px;animation-delay:2s}
.b6{margin-bottom:36px;animation-delay:2.5s}
@keyframes blk-bob{0%,100%{transform:translateY(0) rotate(-1.5deg)}50%{transform:translateY(-12px) rotate(1.5deg)}}
.stage-floor{position:absolute;left:4%;right:4%;bottom:0;height:10px;border-radius:99px;background:repeating-linear-gradient(90deg,#3A2A55 0 30px,#1B1226 30px 40px);box-shadow:0 4px 0 #0E0816}
.stage-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:16px 0 4px}
.chip{font-size:.78rem;letter-spacing:.06em;color:var(--accent);border:1px solid rgba(255,169,224,.4);border-radius:99px;padding:3px 14px;background:rgba(27,18,38,.6)}
.chip-warm{color:#FFF0D2;border-color:#8A6B4A}
.section{padding:38px 0}
.section-alt{background:rgba(36,25,53,.55)}
.sec-title{font-family:var(--font-h);font-weight:400;font-size:1.65rem;margin-bottom:18px;text-align:center;letter-spacing:.05em}
.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(255,169,224,.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}
/* Blok Nama 命名积木卡（特色板块） */
.bn-grid{display:grid;gap:16px;grid-template-columns:1fr;margin-bottom:16px}
.bn-card{background:var(--grad-panel);border:1px solid rgba(255,169,224,.35);border-radius:14px;padding:16px}
.bn-top{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.bn-badge{flex:0 0 auto;position:relative;width:46px;height:46px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-family:var(--font-h);font-size:1.5rem;color:#2A1240;background:linear-gradient(160deg,#FFC9EC 0%,#FFA9E0 55%,#E07BB8 100%);box-shadow:inset 0 -4px 0 rgba(42,18,64,.22)}
.bn-badge::before{content:"";position:absolute;top:-6px;left:9px;width:11px;height:7px;border-radius:5px 5px 2px 2px;background:#FFD8F1;box-shadow:17px 0 0 #FFD8F1}
.bn-badge-warn{color:var(--accent);background:linear-gradient(160deg,#3A2A55 0%,#2D1F42 100%);border:1px solid rgba(255,169,224,.5)}
.bn-badge-warn::before{background:#4A3568;box-shadow:17px 0 0 #4A3568}
.bn-name{font-family:var(--font-h);font-weight:400;font-size:1.3rem;color:var(--accent);line-height:1.2}
.bn-role{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:2px;font-weight:700}
.bn-wis{font-size:.9rem;margin-bottom:8px}
.bn-tip{border-left:3px solid var(--line);border-radius:0 10px 10px 0;background:rgba(255,217,143,.07);color:var(--muted);font-size:.86rem;padding:8px 12px}
.bn-tip strong{color:var(--line)}
.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:400;font-size:clamp(1.7rem,5vw,2.6rem);line-height:1.25;letter-spacing:.04em}
.prose h2{font-family:var(--font-h);font-weight:400;font-size:1.55rem;margin:26px 0 10px;line-height:1.3;letter-spacing:.04em}
.prose h3{font-size:1.08rem;font-weight:600;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)}
.edu-fig{margin:18px 0}
.edu-fig img{width:100%;height:auto;border-radius:12px;border:1px solid rgba(255,169,224,.35);box-shadow:0 0 18px rgba(255,169,224,.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:#160D22;border:1px solid rgba(255,169,224,.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(255,169,224,.3);border-radius:10px;overflow:hidden}
.kamus-item summary{cursor:pointer;padding:13px 16px;font-weight:600;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:5.5rem;color:var(--accent);text-shadow:var(--glow);letter-spacing:.08em}
.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(255,169,224,.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(255,169,224,.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(27,18,38,.92);backdrop-filter:blur(8px);border-top:1px solid rgba(255,169,224,.4)}
@media (max-width:767px){
  .header-in{gap:8px}
  .brand{font-size:1.15rem}
  .brand .logo-mark{width:26px;height:26px}
  .header-cta{gap:6px}
  .header-cta .btn{padding:8px 13px;font-size:.85rem}
  .burger{padding:5px}
  .blk{width:48px;height:48px;font-size:1.6rem;border-radius:10px}
  .blk-lg{width:54px;height:54px;font-size:1.85rem}
  .blk::before{left:10px;box-shadow:17px 0 0 #FFD8F1}
  .block-row{gap:7px}
  .b2{margin-bottom:44px}
  .b4{margin-bottom:36px}
}
@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)}
  .bn-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(255,169,224,.5)}
  .float-cta .btn-block{width:auto}
}
@media (min-width:1024px){.grid-4{grid-template-columns:repeat(4,1fr)}.bn-grid{grid-template-columns:repeat(3,1fr)}.bn-card .bn-wis{font-size:.86rem}}
@media (prefers-reduced-motion:reduce){.pulse,.blk,.block-glow{animation:none}}

/* ===== Float CTA Jackpot v2 (2026-09-16): 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(255,169,224,.55)}50%{box-shadow:0 0 24px rgba(255,169,224,.95),0 0 40px rgba(224,123,184,.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}}