/* SATU38 — 单一聚光 hero（单束聚光） + Kanal Fokus 专注通道卡. 深墨夜蓝 #0E181E × 暖烛光金 #FFD98A */
:root{
  --bg:#0E181E;--panel:#152430;--panel2:#1B3140;--text:#F0EDE2;--muted:#A6B6B1;
  --accent:#FFD98A;--accent-deep:#C9A45C;--line:#8FD0E8;--ink:#060D12;
  --glow:0 0 12px rgba(255,217,138,.4),0 0 26px rgba(255,217,138,.2);
  --grad-panel:linear-gradient(150deg,#1B3140 0%,#0E181E 100%);
  --font-h:'Flavors',cursive;--font-b:'Esteban',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(14,24,30,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,217,138,.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:.04em}
.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,#FFD98A,#C9A45C);color:#060D12;box-shadow:var(--glow)}
.btn-secondary{background:transparent;color:var(--accent);border-color:rgba(255,217,138,.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(255,217,138,.4)}50%{box-shadow:0 0 22px rgba(255,217,138,.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(255,217,138,.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}
/* 单一聚光 hero：单束聚光 */
.satu-hero{padding:44px 0 6px;background:radial-gradient(60% 70% at 50% 0%,rgba(255,217,138,.1) 0%,rgba(14,24,30,0) 70%)}
.satu-head{text-align:center}
.satu-head h1{font-family:var(--font-h);font-weight:400;font-size:clamp(2.2rem,7vw,3.8rem);letter-spacing:.05em;text-shadow:0 2px 0 #6B5326,0 0 26px rgba(255,217,138,.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}
.spot-stage{position:relative;height:280px;max-width:560px;margin:26px auto 0;overflow:hidden}
.rig{position:absolute;left:50%;top:0;transform:translateX(-50%);z-index:3}
.rig::before{content:"";display:block;width:2px;height:15px;margin:0 auto;background:rgba(255,217,138,.5)}
.lamp{display:block;width:64px;height:20px;border-radius:8px 8px 4px 4px;background:linear-gradient(180deg,#243644,#152430);border:1px solid rgba(255,217,138,.55);box-shadow:0 2px 10px rgba(255,217,138,.25)}
.lamp::after{content:"";display:block;width:40px;height:5px;margin:3px auto 0;border-radius:99px;background:var(--accent);box-shadow:0 0 12px rgba(255,217,138,.9);animation:lamp-glow 4s ease-in-out infinite}
.beam{position:absolute;left:50%;top:35px;width:235px;height:228px;transform:translateX(-50%);background:linear-gradient(180deg,rgba(255,217,138,.48) 0%,rgba(255,217,138,.2) 55%,rgba(255,217,138,0) 100%);clip-path:polygon(41% 0,59% 0,100% 100%,0 100%);filter:blur(1px);animation:beam-breathe 4.5s ease-in-out infinite;z-index:1}
.pool{position:absolute;left:50%;bottom:10px;width:250px;height:36px;transform:translateX(-50%);background:radial-gradient(50% 50% at 50% 50%,rgba(255,217,138,.5),rgba(255,217,138,0) 70%);border-radius:50%;z-index:2;animation:pool-pulse 4.5s ease-in-out infinite}
.focus-orb{position:absolute;left:50%;bottom:24px;width:58px;height:58px;margin-left:-29px;border-radius:50%;background:radial-gradient(circle at 34% 30%,#FFF3D6,#FFD98A 55%,#C9A45C 100%);box-shadow:0 0 24px rgba(255,217,138,.75),0 0 60px rgba(255,217,138,.3);display:flex;align-items:center;justify-content:center;z-index:3;animation:orb-float 5s ease-in-out infinite}
.focus-orb span{font-family:var(--font-h);font-size:1.7rem;color:#0A141B;line-height:1}
.dust{position:absolute;border-radius:50%;background:rgba(255,233,190,.85);z-index:2}
.d1{left:47%;bottom:80px;width:4px;height:4px;animation:dust-rise 6s linear infinite}
.d2{left:53%;bottom:120px;width:3px;height:3px;animation:dust-rise 7.5s linear 1.2s infinite}
.d3{left:44.5%;bottom:150px;width:2.5px;height:2.5px;animation:dust-rise 8s linear 2.4s infinite}
.d4{left:55%;bottom:60px;width:3.5px;height:3.5px;animation:dust-rise 6.8s linear .6s infinite}
.noise{position:absolute;border-radius:6px;background:rgba(143,208,232,.13);border:1px solid rgba(143,208,232,.22);z-index:1}
.n1{left:10%;bottom:60px;width:34px;height:34px;transform:rotate(12deg)}
.n2{right:12%;bottom:100px;width:28px;height:28px;border-radius:50%}
.n3{left:18%;bottom:170px;width:20px;height:20px;transform:rotate(-18deg);border-radius:4px}
.floor{position:absolute;left:4%;right:4%;bottom:0;height:12px;border-radius:99px;background:repeating-linear-gradient(90deg,#1E3140 0 30px,#0E181E 30px 42px);box-shadow:0 4px 0 #050B10;z-index:4}
@keyframes beam-breathe{0%,100%{opacity:1}50%{opacity:.72}}
@keyframes pool-pulse{0%,100%{opacity:1}50%{opacity:.7}}
@keyframes lamp-glow{0%,100%{box-shadow:0 0 12px rgba(255,217,138,.9)}50%{box-shadow:0 0 26px rgba(255,217,138,.55)}}
@keyframes orb-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes dust-rise{0%{transform:translateY(0);opacity:0}12%{opacity:.9}85%{opacity:.5}100%{transform:translateY(-170px);opacity:0}}
.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(255,217,138,.4);border-radius:99px;padding:3px 14px;background:rgba(14,24,30,.6)}
.chip-warm{color:#EAF6FA;border-color:#4C7787}
.section{padding:38px 0}
.section-alt{background:rgba(21,36,48,.55)}
.sec-title{font-family:var(--font-h);font-weight:400;font-size:1.55rem;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(255,217,138,.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}
/* Kanal Fokus 专注通道卡（特色板块） */
.kf-grid{display:grid;gap:14px;grid-template-columns:1fr;margin-bottom:8px}
.kf-card{background:var(--grad-panel);border:1px solid rgba(255,217,138,.35);border-radius:14px;overflow:hidden}
.kf-bar{display:flex;align-items:center;gap:8px;padding:8px 14px;font-size:.7rem;letter-spacing:.16em;font-weight:700;color:var(--accent);background:rgba(6,13,18,.72);border-bottom:1px solid rgba(255,217,138,.25)}
.kf-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px rgba(255,217,138,.9);flex:0 0 auto;animation:kf-blink 1.4s ease-in-out infinite}
.kf-card h3{font-family:var(--font-h);font-weight:400;font-size:1.2rem;color:var(--accent);padding:12px 16px 2px}
.kf-card p{padding:0 16px;color:var(--muted);font-size:.9rem;margin:6px 0 14px}
.kf-card .kf-les{border-left:3px solid var(--accent);border-radius:0 8px 8px 0;background:rgba(255,217,138,.07);color:var(--text);font-size:.86rem;padding:8px 12px;margin:0 16px 14px}
.kf-les strong{color:var(--accent)}
.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(1.5rem,4.5vw,2.3rem);line-height:1.3}
.prose h2{font-family:var(--font-h);font-weight:400;font-size:1.4rem;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)}
.edu-fig{margin:18px 0}
.edu-fig img{width:100%;height:auto;border-radius:12px;border:1px solid rgba(255,217,138,.35);box-shadow:0 0 18px rgba(255,217,138,.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:#0B161C;border:1px solid rgba(255,217,138,.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(255,217,138,.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:.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(255,217,138,.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(255,217,138,.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(14,24,30,.92);backdrop-filter:blur(8px);border-top:1px solid rgba(255,217,138,.4)}
@media (max-width:767px){
  .header-in{gap:8px}
  .brand{font-size:1rem}
  .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)}
  .kf-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(255,217,138,.5)}
  .float-cta .btn-block{width:auto}
}
@media (min-width:1024px){.grid-4{grid-template-columns:repeat(4,1fr)}.kf-grid{grid-template-columns:repeat(5,1fr)}.kf-card p{font-size:.84rem}}
@media (prefers-reduced-motion:reduce){.pulse,.lamp::after,.beam,.pool,.focus-orb,.dust,.kf-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(255,217,138,.55)}50%{box-shadow:0 0 24px rgba(255,217,138,.95),0 0 40px rgba(201,164,92,.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}}
@keyframes kf-blink{0%,100%{opacity:1}50%{opacity:.5}}