/* 3MBOLA — 半场线 hero + Lapangan 3x3 半场图卡. 夜沥青蓝黑 #0F1420 × 街球钠灯橙 #FF9E57 */
:root{
  --bg:#0F1420;--panel:#161D2E;--panel2:#1D2740;--text:#EAF0FA;--muted:#9AA7C4;
  --accent:#FF9E57;--accent-deep:#B5622A;--hl:#7FD1FF;--ink:#080B14;
  --glow:0 0 12px rgba(255,158,87,.4),0 0 26px rgba(255,158,87,.2);
  --grad-panel:linear-gradient(150deg,#1D2740 0%,#0F1420 100%);
  --font-h:'Dorsa',cursive;--font-b:'Dekko',cursive;
}
*{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:1.75;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(15,20,32,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,158,87,.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:1.35rem;color:var(--text);white-space:nowrap;letter-spacing:.08em}
.brand:hover{text-decoration:none}
.nav-desktop{display:none;margin-left:auto;gap:18px}
.nav-desktop a{color:var(--muted);font-weight:700;font-size:1.02rem}
.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:1rem;cursor:pointer;border:1px solid transparent;transition:transform .15s}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,#FF9E57,#E07A36);color:#0F1420;box-shadow:var(--glow)}
.btn-secondary{background:transparent;color:var(--accent);border-color:rgba(255,158,87,.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(255,158,87,.4)}50%{box-shadow:0 0 22px rgba(255,158,87,.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(255,158,87,.3)}
.m-nav-group{padding:10px 16px}
.m-nav-group h3{font-family:var(--font-h);font-weight:400;font-size:1rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:6px}
.m-nav-group a{display:block;padding:6px 0;color:var(--text)}
.nav-toggle:checked~.m-nav{display:block}
/* 半场线 hero */
.ct-hero{padding:44px 0 6px;background:radial-gradient(60% 70% at 50% 0%,rgba(255,158,87,.12) 0%,rgba(15,20,32,0) 70%)}
.ct-head{text-align:center}
.ct-head h1{font-family:var(--font-h);font-weight:400;font-size:clamp(2.3rem,7.5vw,4rem);letter-spacing:.1em;text-shadow:0 2px 0 #7A3E1C,0 0 26px rgba(255,158,87,.45)}
.hero-sub{max-width:680px;margin:12px auto 20px;color:var(--muted)}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.court-stage{max-width:580px;margin:24px auto 0;padding:0 10px}
.court-svg{display:block;width:100%;height:auto;border-radius:14px;box-shadow:0 14px 40px rgba(0,0,0,.45)}
.ct-arc{animation:ct-glow 3.8s ease-in-out infinite}
.ct-rim{animation:ct-rim 3.2s ease-in-out .6s infinite}
.ct-ball{transform-box:fill-box;transform-origin:center;animation:ct-bounce 1.5s cubic-bezier(.45,.05,.55,.95) infinite alternate}
.ct-shadow{transform-box:fill-box;transform-origin:center;animation:ct-shrink 1.5s cubic-bezier(.45,.05,.55,.95) infinite alternate}
@keyframes ct-glow{0%,100%{opacity:.9}50%{opacity:.42}}
@keyframes ct-rim{0%,100%{stroke:#FF9E57}50%{stroke:#FFC79E}}
@keyframes ct-bounce{from{transform:translateY(0)}to{transform:translateY(-56px)}}
@keyframes ct-shrink{from{transform:scaleX(1);opacity:.55}to{transform:scaleX(.55);opacity:.25}}
.stage-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:16px 0 4px}
.chip{font-size:.85rem;letter-spacing:.05em;color:var(--accent);border:1px solid rgba(255,158,87,.4);border-radius:99px;padding:3px 14px;background:rgba(15,20,32,.6)}
.chip-cool{color:#D8EFFF;border-color:#5683A8}
.section{padding:38px 0}
.section-alt{background:rgba(22,29,46,.55)}
.sec-title{font-family:var(--font-h);font-weight:400;font-size:1.7rem;letter-spacing:.06em;margin-bottom:18px;text-align:center}
.sec-sub{color:var(--muted);text-align:center;max-width:720px;margin:-8px auto 18px;font-size:.98rem}
.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(255,158,87,.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:1.08rem;margin-bottom:6px;color:var(--accent)}
.glow-card p{color:var(--muted);font-size:.95rem}
.nc-icon{font-size:1.5rem;display:block;margin-bottom:8px}
/* Lapangan 3x3 半场图卡（特色板块） */
.lz-grid{display:grid;gap:14px;grid-template-columns:1fr;margin-bottom:8px}
.lz-card{background:var(--grad-panel);border:1px solid rgba(255,158,87,.35);border-radius:14px;overflow:hidden}
.lz-bar{display:flex;align-items:center;gap:9px;padding:9px 14px;font-size:.7rem;letter-spacing:.16em;font-weight:700;color:var(--accent);background:rgba(8,11,20,.72);border-bottom:1px solid rgba(255,158,87,.25)}
.lz-dot{width:9px;height:9px;border-radius:50%;background:var(--ink);border:2px solid rgba(255,158,87,.55);flex:0 0 auto;animation:lz-glow 2.4s ease-in-out infinite}
@keyframes lz-glow{0%,100%{box-shadow:0 0 0 rgba(127,209,255,0)}50%{box-shadow:0 0 8px rgba(127,209,255,.6)}}
.lz-top{display:flex;align-items:center;gap:12px;padding:12px 14px 2px}
.lz-fig{width:64px;height:52px;flex:0 0 auto}
.lz-name{font-family:var(--font-h);font-weight:400;font-size:1.18rem;letter-spacing:.04em;color:var(--accent);line-height:1.25}
.lz-card p{padding:0 14px;color:var(--muted);font-size:.92rem;margin:8px 0 14px}
.lz-card .lz-les{border-left:3px solid var(--hl);border-radius:0 8px 8px 0;background:rgba(127,209,255,.07);color:var(--text);font-size:.88rem;padding:8px 12px}
.lz-les strong{color:var(--hl)}
.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(1.6rem,4.5vw,2.4rem);line-height:1.3;letter-spacing:.04em}
.prose h2{font-family:var(--font-h);font-weight:400;font-size:1.55rem;letter-spacing:.04em;margin:26px 0 10px;line-height:1.35}
.prose h3{font-size:1.12rem;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)}
.edu-fig{margin:18px 0}
.edu-fig img{width:100%;height:auto;border-radius:12px;border:1px solid rgba(255,158,87,.35);box-shadow:0 0 18px rgba(255,158,87,.14)}
.edu-fig figcaption{font-size:.88rem;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:.9rem;color:var(--muted)}
.quick-form input{background:#131A2A;border:1px solid rgba(255,158,87,.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(255,158,87,.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(--accent)}
.kamus-item[open] summary::after{content:"−"}
.kamus-item p{padding:0 16px 14px;color:var(--muted);font-size:.98rem}
.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:.85rem;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(255,158,87,.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:.92rem;margin:10px 0}
.foot-col h3{font-family:var(--font-h);font-weight:400;font-size:1.05rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}
.foot-col a{display:block;color:var(--muted);padding:3px 0;font-size:.95rem}
.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:.88rem}
.foot-bottom{margin-top:24px;padding-top:16px;border-top:1px solid rgba(255,158,87,.25);color:var(--muted);font-size:.88rem}
.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(15,20,32,.92);backdrop-filter:blur(8px);border-top:1px solid rgba(255,158,87,.4)}
@media (max-width:767px){
  .header-in{gap:8px}
  .brand{font-size:1.2rem}
  .brand .logo-mark{width:26px;height:26px}
  .header-cta{gap:6px}
  .header-cta .btn{padding:8px 13px;font-size:.9rem}
  .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)}
  .lz-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(255,158,87,.5)}
  .float-cta .btn-block{width:auto}
}
@media (min-width:1024px){.grid-4{grid-template-columns:repeat(4,1fr)}.lz-grid{grid-template-columns:repeat(5,1fr)}.lz-card p{font-size:.84rem}}
@media (prefers-reduced-motion:reduce){.pulse,.ct-arc,.ct-rim,.ct-ball,.ct-shadow,.lz-dot{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(255,215,80,.55)}50%{box-shadow:0 0 24px rgba(255,215,80,.95),0 0 40px rgba(255,158,87,.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}}