/* KUAT4D — barbell lift hero + Rutinitas Atlet 训练环. 力量棕 #251A10 × 举重橙 #FF9F1C */
:root{
  --bg:#251A10;--panel:#332414;--panel2:#3F2D19;--text:#FCF2DE;--muted:#C9A67C;
  --acc:#FF9F1C;--acc-soft:#FFC46B;--acc-deep:#C77400;--cream:#FFF0DC;--ink:#140D05;
  --glow:0 0 12px rgba(255,159,28,.42),0 0 28px rgba(255,159,28,.18);
  --grad-panel:linear-gradient(150deg,#3F2D19 0%,#251A10 100%);
  --font-h:'Black Ops One',system-ui,sans-serif;--font-b:'Barlow Semi Condensed',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(--acc);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(37,26,16,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,159,28,.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:1.05rem;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(--acc);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,#FFC46B,#FF9F1C);color:#140D05;box-shadow:var(--glow)}
.btn-secondary{background:transparent;color:var(--acc);border-color:rgba(255,159,28,.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(255,159,28,.4)}50%{box-shadow:0 0 22px rgba(255,159,28,.85)}}
.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(--acc);border-radius:2px}
.m-nav{display:none;background:var(--panel);border-bottom:1px solid rgba(255,159,28,.3)}
.m-nav-group{padding:10px 16px}
.m-nav-group h3{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--acc);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}
/* ===== barbell lift hero ===== */
.bb-hero{padding:44px 0 6px;background:radial-gradient(60% 70% at 50% 0%,rgba(255,159,28,.13) 0%,rgba(37,26,16,0) 70%)}
.bb-head{text-align:center}
.bb-head h1{font-family:var(--font-h);font-weight:400;font-size:clamp(1.9rem,6vw,3.4rem);letter-spacing:.03em;line-height:1.25;text-shadow:0 2px 0 #C77400,0 0 26px rgba(255,159,28,.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}
.bb-stage{position:relative;height:250px;max-width:560px;margin:26px auto 0;overflow:hidden}
.bb-glow{position:absolute;left:12%;right:12%;top:8%;bottom:6%;background:radial-gradient(52% 62% at 50% 46%,rgba(255,159,28,.28) 0%,rgba(255,159,28,.08) 58%,rgba(37,26,16,0) 100%);z-index:0}
.bb-arc{position:absolute;left:2%;right:2%;top:2%;height:96%;border:2px dashed rgba(255,159,28,.42);border-radius:50%;border-bottom-color:transparent;border-left-color:transparent;border-right-color:transparent;z-index:1}
.bb-dot{position:absolute;left:2%;top:80%;width:11px;height:11px;border-radius:50%;background:var(--acc-soft);box-shadow:0 0 10px rgba(255,196,107,.9);z-index:2;animation:bb-travel 4.4s cubic-bezier(.4,.1,.6,.9) infinite}
@keyframes bb-travel{
  0%{left:3%;top:82%;opacity:0}
  8%{opacity:1}
  26%{left:22%;top:44%}
  50%{left:50%;top:16%}
  74%{left:78%;top:44%}
  92%{left:97%;top:82%;opacity:1}
  100%{left:97%;top:82%;opacity:0}
}
.bb-shadow{position:absolute;left:50%;bottom:26px;width:min(250px,72%);height:16px;transform:translateX(-50%);background:radial-gradient(50% 50% at 50% 50%,rgba(0,0,0,.55),rgba(0,0,0,0) 70%);z-index:2;animation:bb-shadow 3.8s ease-in-out infinite}
@keyframes bb-shadow{0%,100%{transform:translateX(-50%) scaleX(1);opacity:1}45%,60%{transform:translateX(-50%) scaleX(.72);opacity:.55}}
.bb-lift{position:absolute;left:50%;bottom:40px;width:min(320px,82%);height:128px;transform:translateX(-50%);z-index:3;animation:bb-lift 3.8s ease-in-out infinite}
@keyframes bb-lift{0%,100%{transform:translate(-50%,0)}45%,60%{transform:translate(-50%,-32px)}}
.bb-bar{position:absolute;left:0;right:0;top:60px;height:9px;border-radius:5px;background:linear-gradient(180deg,#FFF0DC,#C9A67C 55%,#8F7050);box-shadow:0 2px 6px rgba(0,0,0,.5)}
.bb-bar::after{content:"";position:absolute;left:37%;right:37%;top:2px;bottom:2px;background:repeating-linear-gradient(90deg,rgba(20,13,5,.4) 0 3px,transparent 3px 6px);border-radius:4px}
.bb-pl{position:absolute;border-radius:7px;background:linear-gradient(180deg,#FFC46B 0%,#FF9F1C 48%,#C77400 100%);box-shadow:inset 0 0 0 3px rgba(37,26,16,.35),0 2px 8px rgba(0,0,0,.4)}
.bb-pl::before{content:"";position:absolute;left:50%;top:8px;bottom:8px;width:5px;margin-left:-2.5px;border-radius:3px;background:rgba(37,26,16,.5)}
.bb-pl-a1{left:0;top:14px;width:24px;height:100px}
.bb-pl-a2{left:27px;top:32px;width:15px;height:64px}
.bb-pl-b1{right:0;top:14px;width:24px;height:100px}
.bb-pl-b2{right:27px;top:32px;width:15px;height:64px}
.bb-col{position:absolute;top:57px;width:7px;height:36px;background:#8F7050;border-radius:3px}
.bb-col-l{left:46px}
.bb-col-r{right:46px}
.bb-floor{position:absolute;left:6%;right:6%;bottom:20px;height:14px;border-radius:8px;background:repeating-linear-gradient(90deg,#4A3319 0 34px,#3A2712 34px 46px);box-shadow:0 4px 0 #120B04,inset 0 2px 0 rgba(255,240,222,.16);z-index:1}
.bb-chalk{position:absolute;bottom:52px;width:44px;height:44px;border-radius:50%;background:radial-gradient(circle,rgba(255,240,222,.35),rgba(255,240,222,0) 70%);opacity:0;z-index:2;animation:chalk 3.8s ease-in-out infinite}
.bb-chalk-l{left:16%}
.bb-chalk-r{right:16%;animation-delay:.05s}
@keyframes chalk{0%,6%{opacity:.9;transform:scale(.7)}22%{opacity:0;transform:scale(1.5)}100%{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(--acc);border:1px solid rgba(255,159,28,.4);border-radius:99px;padding:3px 14px;background:rgba(37,26,16,.6)}
.chip-warm{color:#FFE9C4;border-color:#C77400}
.section{padding:38px 0}
.section-alt{background:rgba(51,36,20,.55)}
.sec-title{font-family:var(--font-h);font-weight:400;font-size:1.5rem;margin-bottom:18px;text-align:center;line-height:1.4}
.sec-sub{color:var(--muted);text-align:center;max-width:660px;margin:-8px auto 18px;font-size:.92rem}
.grid-2,.grid-3,.grid-4{display:grid;gap:16px;grid-template-columns:1fr;margin-bottom:8px}
.lift-card{display:block;background:var(--grad-panel);border:1px solid rgba(255,159,28,.35);border-radius:14px;padding:18px;color:var(--text);transition:border-color .15s,box-shadow .15s}
.lift-card:hover{border-color:var(--acc);box-shadow:var(--glow);text-decoration:none}
.lift-card h3{font-size:1.05rem;margin-bottom:6px;color:var(--acc)}
.lift-card p{color:var(--muted);font-size:.92rem}
.nc-icon{font-size:1.5rem;display:block;margin-bottom:8px}
/* ===== Rutinitas Atlet 训练环（ILUSTRASI） ===== */
.rt-head{display:flex;flex-direction:column;align-items:center;gap:12px;margin-bottom:18px}
.rt-cycle{position:relative;width:112px;height:112px;border-radius:50%;background:rgba(37,26,16,.78);border:1px solid rgba(255,159,28,.4);display:flex;align-items:center;justify-content:center}
.rt-cycle::before{content:"";position:absolute;inset:7px;border:2px dashed rgba(255,159,28,.75);border-radius:50%;animation:rt-spin 16s linear infinite}
.rt-cycle span{position:relative;font-family:var(--font-h);font-size:.72rem;color:var(--acc);text-align:center;line-height:1.5;letter-spacing:.06em}
@keyframes rt-spin{to{transform:rotate(360deg)}}
.rt-illus{font-size:.78rem;letter-spacing:.05em;color:#FFE9C4;border:1px dashed rgba(255,159,28,.6);border-radius:99px;padding:4px 16px;background:rgba(20,13,5,.5)}
.rt-grid{display:grid;gap:16px;grid-template-columns:1fr;margin-bottom:18px}
.rt-card{background:var(--grad-panel);border:1px solid rgba(255,159,28,.35);border-top:3px solid var(--acc);border-radius:14px;padding:18px;position:relative}
.rt-num{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background:rgba(37,26,16,.85);border:2px solid var(--acc);color:var(--acc);font-family:var(--font-h);font-size:1.05rem;margin-bottom:10px}
.rt-name{font-family:var(--font-h);font-weight:400;font-size:1.1rem;color:var(--acc);margin-bottom:4px}
.rt-chip{display:inline-block;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--cream);border:1px solid rgba(255,196,107,.5);border-radius:99px;padding:1px 10px;margin-bottom:10px;background:rgba(20,13,5,.5)}
.rt-card p{color:var(--muted);font-size:.92rem}
.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(37,26,16,.55);border:1px solid rgba(255,159,28,.35)}
.flow-step strong{color:var(--acc)}
.flow-end{border:1px dashed rgba(255,159,28,.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(--acc)}
.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(--acc)}
.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:#251A10;border:1px solid rgba(255,159,28,.4);border-radius:8px;padding:10px 12px;color:var(--text);font-family:var(--font-b)}
.quick-form input:focus{outline:none;border-color:var(--acc)}
.acc-grid{display:grid;gap:10px;margin:14px 0}
.acc-item{background:var(--grad-panel);border:1px solid rgba(255,159,28,.3);border-radius:10px;overflow:hidden}
.acc-item summary{cursor:pointer;padding:13px 16px;font-weight:700;list-style:none;position:relative}
.acc-item summary::-webkit-details-marker{display:none}
.acc-item summary::after{content:"+";position:absolute;right:16px;color:var(--acc)}
.acc-item[open] summary::after{content:"−"}
.acc-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(--acc);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(--acc)}
.site-footer{background:var(--panel);border-top:1px solid rgba(255,159,28,.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(--acc);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(--acc);text-decoration:none}
.pill-18{display:inline-block;border:1px solid var(--acc);color:var(--acc);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(255,159,28,.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(37,26,16,.92);backdrop-filter:blur(8px);border-top:1px solid rgba(255,159,28,.4)}
@media (max-width:767px){
  .header-in{gap:8px}
  .brand{font-size:.95rem}
  .brand .logo-mark{width:26px;height:26px}
  .header-cta{gap:6px}
  .header-cta .btn{padding:8px 13px;font-size:.85rem}
  .burger{padding:5px}
  .bb-stage{height:225px}
}
@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)}
  .rt-grid{grid-template-columns:repeat(4,1fr)}
  .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(255,159,28,.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,.bb-lift,.bb-dot,.bb-shadow,.bb-chalk,.rt-cycle::before{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}}