/* IDN33 — 节点网 hero（network nodes 纯 CSS）+ 路由链卡片流. 节点青黑 #0A1E1B × 节点绿 #43D9AD */
:root{
  --bg:#0A1E1B;--panel:#0F2B26;--panel2:#143731;--text:#E8FFF7;--muted:#9BCDBE;
  --accent:#43D9AD;--accent-soft:#1E6B55;--ink:#04100E;
  --glow:0 0 12px rgba(67,217,173,.4),0 0 26px rgba(67,217,173,.2);
  --grad-panel:linear-gradient(150deg,#143731 0%,#0A1E1B 100%);
  --font-h:'Quantico',sans-serif;--font-b:'Yantramanav',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(--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(10,30,27,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(67,217,173,.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:700;font-size:1.15rem;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: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,#43D9AD,#1FA98A);color:#04100E;box-shadow:var(--glow)}
.btn-secondary{background:transparent;color:var(--accent);border-color:rgba(67,217,173,.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(67,217,173,.4)}50%{box-shadow:0 0 22px rgba(67,217,173,.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(67,217,173,.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}
/* 节点网 hero（network nodes，纯 CSS：节点+连线+数据包光点巡游） */
.net-hero{padding:44px 0 6px;background:radial-gradient(60% 70% at 50% 0%,rgba(67,217,173,.13) 0%,rgba(10,30,27,0) 70%)}
.net-head{text-align:center}
.net-head h1{font-family:var(--font-h);font-weight:700;font-size:clamp(2.2rem,6.5vw,3.6rem);letter-spacing:.12em;text-shadow:0 2px 0 #1E6B55,0 0 26px rgba(67,217,173,.5)}
.hero-sub{max-width:640px;margin:12px auto 20px;color:var(--muted)}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.net-stage{position:relative;width:100%;max-width:640px;aspect-ratio:2/1;margin:26px auto 0;overflow:hidden;background:rgba(4,16,14,.55);border:1px solid rgba(67,217,173,.25);border-radius:16px;
  background-image:linear-gradient(rgba(67,217,173,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(67,217,173,.05) 1px,transparent 1px);background-size:32px 32px}
.link{position:absolute;display:block;height:2px;border-radius:2px;background:linear-gradient(90deg,rgba(67,217,173,.45),rgba(67,217,173,.12));transform-origin:0 50%;z-index:1}
.link::after{content:"";position:absolute;top:50%;left:-4px;width:6px;height:6px;margin-top:-3px;border-radius:50%;background:#9CFFE1;box-shadow:0 0 8px #43D9AD,0 0 16px rgba(67,217,173,.85);animation:packet 3.2s linear infinite}
.l1{left:6%;top:68%;width:24.8%;transform:rotate(-43.4deg)}
.l2{left:24%;top:34%;width:24.4%;transform:rotate(35deg)}
.l3{left:24%;top:34%;width:17.8%;transform:rotate(-38.2deg)}
.l4{left:44%;top:62%;width:25.5%;transform:rotate(-45deg)}
.l5{left:62%;top:26%;width:23.4%;transform:rotate(39.8deg)}
.l6{left:80%;top:56%;width:21.6%;transform:rotate(-56.3deg)}
.l7{left:6%;top:68%;width:38.1%;transform:rotate(-4.5deg)}
.l8{left:44%;top:62%;width:28.6%;transform:rotate(24.8deg)}
.l9{left:70%;top:86%;width:18%;transform:rotate(-56.3deg)}
.l10{left:38%;top:12%;width:25%;transform:rotate(16.3deg)}
.l11{left:16%;top:14%;width:12.8%;transform:rotate(51.3deg)}
.l1::after{animation-duration:3.2s}
.l2::after{animation-duration:4.3s;animation-delay:.5s}
.l3::after{animation-duration:2.7s;animation-delay:1.1s}
.l4::after{animation-duration:3.8s;animation-delay:.2s}
.l5::after{animation-duration:4.1s;animation-delay:1.6s}
.l6::after{animation-duration:3s;animation-delay:.9s}
.l7::after{animation-duration:5s;animation-delay:.3s}
.l8::after{animation-duration:4.6s;animation-delay:1.3s}
.l9::after{animation-duration:2.9s;animation-delay:.7s}
.l10::after{animation-duration:3.6s;animation-delay:1.9s}
.l11::after{animation-duration:2.5s;animation-delay:.4s}
@keyframes packet{0%{left:-4px;opacity:0}8%{opacity:1}92%{opacity:1}100%{left:calc(100% - 2px);opacity:0}}
.node{position:absolute;display:block;width:12px;height:12px;border-radius:50%;background:#43D9AD;box-shadow:0 0 10px rgba(67,217,173,.9);transform:translate(-50%,-50%);z-index:2;animation:node-pulse 3s ease-in-out infinite}
.node::after{content:"";position:absolute;inset:-6px;border:1px solid rgba(67,217,173,.45);border-radius:50%;animation:node-ring 3s ease-out infinite}
.node-lg{width:16px;height:16px;border:2px solid #061512}
.n1{left:6%;top:68%}
.n2{left:24%;top:34%;animation-delay:.4s}
.n3{left:44%;top:62%;animation-delay:.8s}
.n4{left:62%;top:26%;animation-delay:1.2s}
.n5{left:80%;top:56%;animation-delay:.2s}
.n6{left:38%;top:12%;animation-delay:1.5s}
.n7{left:92%;top:20%;animation-delay:.9s}
.n8{left:70%;top:86%;animation-delay:1.8s}
.n9{left:16%;top:14%;animation-delay:.6s}
@keyframes node-pulse{0%,100%{box-shadow:0 0 6px rgba(67,217,173,.7)}50%{box-shadow:0 0 20px rgba(67,217,173,1)}}
@keyframes node-ring{0%{transform:scale(.8);opacity:.9}100%{transform:scale(2.1);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(67,217,173,.4);border-radius:99px;padding:3px 14px;background:rgba(10,30,27,.6)}
.chip-mint{color:#D8FFF2;border-color:rgba(67,217,173,.65)}
.section{padding:38px 0}
.section-alt{background:rgba(15,43,38,.55)}
.sec-title{font-family:var(--font-h);font-weight:700;font-size:1.5rem;margin-bottom:18px;text-align:center;letter-spacing:.03em}
.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}
.glow-card{display:block;background:var(--grad-panel);border:1px solid rgba(67,217,173,.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}
/* Peta Jalur Koneksi 路由节点链特色板块（ILUSTRASI） */
.illus-pill{display:inline-block;vertical-align:middle;margin-left:8px;background:rgba(67,217,173,.14);border:1px solid rgba(67,217,173,.5);color:var(--accent);font-size:.7rem;letter-spacing:.1em;border-radius:99px;padding:2px 10px;font-weight:700;font-family:var(--font-b)}
.rc-grid{display:grid;gap:26px;grid-template-columns:1fr}
.rc-step{position:relative;background:var(--grad-panel);border:1px solid rgba(67,217,173,.35);border-radius:12px;padding:14px 16px 14px 62px;transition:border-color .15s}
.rc-step:hover{border-color:var(--accent)}
.rc-num{position:absolute;left:14px;top:16px;width:34px;height:34px;border-radius:50%;background:rgba(4,16,14,.85);border:1px solid var(--accent);color:var(--accent);display:flex;align-items:center;justify-content:center;font-family:var(--font-h);font-weight:700;font-size:1rem;box-shadow:0 0 10px rgba(67,217,173,.35)}
.rc-step h3{font-size:1rem;color:var(--accent);margin-bottom:4px}
.rc-step p{font-size:.9rem;color:var(--muted)}
.rc-step:not(:last-child)::after{content:"↓";position:absolute;left:26px;bottom:-22px;color:var(--accent);font-size:1.1rem;animation:rc-flow 1.6s ease-in-out infinite}
@keyframes rc-flow{0%,100%{opacity:.35;transform:translateY(-2px)}50%{opacity:1;transform:translateY(2px)}}
.rc-return{display:flex;align-items:flex-start;gap:10px;margin-top:18px;border:1px dashed rgba(67,217,173,.5);border-radius:12px;padding:12px 16px;color:var(--muted);font-size:.9rem;background:rgba(4,16,14,.45)}
.rc-return .illus-pill{margin:2px 0 0;flex:0 0 auto}
.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(10,30,27,.55);border:1px solid rgba(67,217,173,.35)}
.flow-step strong{color:var(--accent)}
.flow-end{border:1px dashed rgba(67,217,173,.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:700;font-size:clamp(1.5rem,4.5vw,2.2rem);line-height:1.3;letter-spacing:.02em}
.prose h2{font-family:var(--font-h);font-weight:700;font-size:1.35rem;margin:26px 0 10px;line-height:1.35;letter-spacing:.02em}
.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)}
.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:#071815;border:1px solid rgba(67,217,173,.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(67,217,173,.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);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(67,217,173,.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(67,217,173,.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(10,30,27,.92);backdrop-filter:blur(8px);border-top:1px solid rgba(67,217,173,.4)}
@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)}
  .rc-grid{grid-template-columns:repeat(5,1fr);gap:18px}
  .rc-step{padding:16px 12px;text-align:center;min-height:170px}
  .rc-num{position:static;margin:0 auto 10px}
  .rc-step:not(:last-child)::after{content:"▸";left:auto;right:-15px;top:50%;bottom:auto;transform:translateY(-50%)}
  .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(67,217,173,.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,.node,.node::after,.link::after,.rc-step:not(:last-child)::after{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(67,217,173,.55)}50%{box-shadow:0 0 24px rgba(67,217,173,.95),0 0 40px rgba(30,150,115,.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}}