/* Layout: 暗色电影式长页。全屏英雄（菱形网格神经元画布）→ 数字文化 → AI素养课程 → 家园入口 → 数字身份 → 产业飞轮 → 联系。单一暗色主题，由设计决定。 */
:root{
  color-scheme:dark;
  --bg:#05080C; --panel:#0B1219; --ink:#EAF1F7; --muted:#8FA1B3; --line:#1B2733;
  --gold:#FFC21A; --gold-ink:#241A00; --cyan:#38D6FF; --ok:#4FD68C; --warn:#FFB454; --plan:#7C8DA0;
  --f-disp:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  --f-body:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  --f-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-weight:300;font-size:16px;line-height:1.8;margin:0;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--bg)}
a{color:var(--cyan)}
h1,h2,h3,p{margin:0}
.wrap{max-width:1180px;margin:0 auto}
.full{margin:0 calc(-1*max(16px,env(safe-area-inset-left,0px)));padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.mono{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.mono b{color:var(--gold);font-weight:500}
h1{font-family:var(--f-disp);font-weight:800;font-size:clamp(2.2rem,7.2vw,5.6rem);line-height:1.12;letter-spacing:-.01em;text-wrap:balance}
h2{font-family:var(--f-disp);font-weight:600;font-size:clamp(1.6rem,4.2vw,3rem);line-height:1.22;text-wrap:balance}
h3{font-weight:700;font-size:1.15rem}
.lead{color:var(--muted);font-size:clamp(1rem,1.6vw,1.2rem);max-width:36em;margin-top:20px}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

/* nav */
header.top{position:fixed;top:env(safe-area-inset-top,0px);left:0;right:0;z-index:50;background:rgba(5,8,12,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
  padding:0 max(16px,env(safe-area-inset-left,0px))}
.bar{max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:18px;min-height:56px}
.brand{font-family:var(--f-disp);font-weight:800;font-size:.95rem;letter-spacing:.08em;color:var(--ink);text-decoration:none;display:flex;gap:10px;align-items:center;white-space:nowrap}
nav{display:flex;gap:2px;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none}
nav a{color:var(--muted);text-decoration:none;padding:6px 12px;font-size:.9rem;white-space:nowrap}
nav a:hover{color:var(--ink)}
.enter{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.1em;text-decoration:none;color:var(--gold-ink);background:var(--gold);padding:8px 14px;white-space:nowrap;font-weight:500}

/* hero */
.hero{position:relative;min-height:min(100svh,880px);display:flex;align-items:flex-end;overflow:hidden;border-bottom:1px solid var(--line)}
#cv{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero .wrap{position:relative;padding-block:120px 64px;width:100%;pointer-events:none}
.hero .wrap *{pointer-events:auto}
.hero h1 em{font-style:normal;color:var(--gold)}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.btn{display:inline-block;font:inherit;font-family:var(--f-mono);font-size:.82rem;letter-spacing:.1em;padding:14px 26px;text-decoration:none;cursor:pointer;border:1px solid var(--ink);background:transparent;color:var(--ink)}
.btn.gold{background:var(--gold);border-color:var(--gold);color:var(--gold-ink);font-weight:500}
.btn:hover{filter:brightness(1.12)}
.tick{position:absolute;right:max(16px,env(safe-area-inset-right,0px));top:92px;text-align:right;line-height:1.6;pointer-events:none}

section.s{padding-block:112px;border-bottom:1px solid var(--line)}
.s .head{display:grid;gap:14px;margin-bottom:56px}
.tag{display:inline-block;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.1em;padding:2px 8px;border:1px solid currentColor;white-space:nowrap}
.t-live{color:var(--ok)}.t-build{color:var(--warn)}.t-plan{color:var(--plan)}.t-pend{color:var(--cyan)}

/* culture */
.cult{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}
.cult>div{padding:32px 26px 36px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-width:0}
.cult .k{font-family:var(--f-disp);font-size:2.4rem;font-weight:800;color:var(--gold);line-height:1;margin-bottom:18px}
.cult p{color:var(--muted);font-size:.95rem;margin-top:8px}
.mark{display:flex;gap:28px;align-items:center;flex-wrap:wrap;margin-top:48px;padding:28px;border:1px solid var(--line);background:var(--panel)}
.mark svg{width:120px;height:120px;flex:none}
.mark p{color:var(--muted);flex:1;min-width:240px}

/* spiral */
.edu{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
#sp{width:100%;max-width:460px;height:auto;display:block;margin:0 auto}
#sp .path{fill:none;stroke:var(--line);stroke-width:2}
#sp .done{fill:none;stroke:var(--gold);stroke-width:2.5}
#sp .node{cursor:pointer}
#sp .node circle{fill:var(--bg);stroke:var(--muted);stroke-width:2;transition:all .2s}
#sp .node text{fill:var(--muted);font:500 11px var(--f-mono);text-anchor:middle}
#sp .node.on circle{fill:var(--gold);stroke:var(--gold)}
#sp .node.on text{fill:var(--gold)}
#sp .ctr{fill:var(--muted);font:400 10px var(--f-mono);text-anchor:middle;letter-spacing:.1em}
.stages{display:flex;gap:0;flex-wrap:wrap;border:1px solid var(--line);margin-bottom:24px}
.stages button{flex:1 1 auto;font:inherit;font-size:.9rem;color:var(--muted);background:transparent;border:0;border-right:1px solid var(--line);padding:12px 8px;cursor:pointer;min-width:0}
.stages button:last-child{border-right:0}
.stages button[aria-selected="true"]{background:var(--gold);color:var(--gold-ink);font-weight:700}
.panel h3{font-family:var(--f-disp);font-size:1.5rem;font-weight:600;margin:10px 0 6px}
.panel ul{padding-left:1.1em;margin:14px 0 0;color:var(--muted)}
.panel li{margin-top:6px}
.un{columns:2;column-gap:24px;margin:8px 0 0;padding-left:1.4em;color:var(--muted);font-size:.93rem}.un li{margin-top:2px;break-inside:avoid}
.loop{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
.loop span{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.08em;border:1px solid var(--line);padding:4px 10px;color:var(--ink)}
.note{border-left:3px solid var(--gold);padding:8px 0 8px 18px;margin-top:28px;color:var(--muted);font-size:.93rem;max-width:60em}

/* home entry */
.home{position:relative;overflow:hidden;background:radial-gradient(900px 400px at 85% 30%,rgba(56,214,255,.14),transparent 70%),var(--panel)}
.rooms{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin-top:48px}
.rooms>div{background:var(--bg);padding:20px;min-width:0}
.rooms h3{font-size:1rem;margin:8px 0 4px}.rooms p{color:var(--muted);font-size:.88rem;line-height:1.6}
.linkrow{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}

/* web3 */
.w3{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.card{border:1px solid var(--line);background:var(--panel);padding:26px;min-width:0}
.card p{color:var(--muted);font-size:.95rem;margin-top:8px}
.rail{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0;margin-top:24px}
.red{border:1px solid var(--warn);padding:20px 24px;margin-top:32px;color:var(--ink);background:rgba(255,180,84,.06)}
.red b{color:var(--warn)}

/* flywheel */
.fw{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:56px;align-items:center}
#fw{width:100%;max-width:440px;height:auto;display:block;margin:0 auto}
#fw .ring{fill:none;stroke:var(--line);stroke-width:2}
#fw .arc{fill:none;stroke:var(--gold);stroke-width:2.5;stroke-dasharray:4 8;animation:spin 30s linear infinite;transform-origin:220px 220px}
#fw .n circle{fill:var(--panel);stroke:var(--gold);stroke-width:2}
#fw .n text{fill:var(--ink);font:500 13px var(--f-body);text-anchor:middle}
#fw .c{fill:var(--gold);font:800 13px var(--f-disp);text-anchor:middle}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){#fw .arc{animation:none}}
.chain{list-style:none;padding:0;margin:0;display:grid;gap:0;border-top:1px solid var(--line)}
.chain li{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.chain b{font-family:var(--f-mono);font-size:.78rem;letter-spacing:.1em;color:var(--gold);font-weight:500}
.chain span{color:var(--muted)}

/* contact */
.ct{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px}
form{display:grid;gap:16px}
label{display:grid;gap:6px;font-size:.88rem;color:var(--muted)}
input,textarea,select{font:inherit;font-weight:400;padding:12px 14px;border:1px solid var(--line);background:var(--panel);color:var(--ink);width:100%;border-radius:0}
.msg{font-size:.9rem;margin-top:12px;min-height:1.5em}
dl.ent{margin:0;display:grid;gap:0;border-top:1px solid var(--line)}
dl.ent div{display:grid;grid-template-columns:120px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
dl.ent dt{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.08em;color:var(--muted)}
dl.ent dd{margin:0}
.ph{background:rgba(56,214,255,.14);color:var(--cyan);padding:0 6px;font-family:var(--f-mono);font-size:.85em}
.copy{font:inherit;font-size:.78rem;margin-left:8px;padding:2px 10px;border:1px solid var(--line);background:var(--panel);color:var(--ink);cursor:pointer}
.draft{background:var(--gold);color:var(--gold-ink);font-size:.82rem;text-align:center;padding:6px 12px;position:relative;z-index:5;margin-top:57px;font-weight:500}
footer{padding-block:32px 48px;color:var(--muted);font-size:.88rem}
footer .wrap{display:flex;gap:16px 40px;justify-content:space-between;flex-wrap:wrap}

@media (max-width:860px){.edu,.fw,.ct{grid-template-columns:1fr;gap:40px}.tick{display:none}section.s{padding-block:80px}.chain li{grid-template-columns:1fr;gap:2px}dl.ent div{grid-template-columns:1fr;gap:0}}

/* brand assets */
.brand .mk{height:26px;width:auto;aspect-ratio:783/1464;flex:none}
.brand .cn{font-family:var(--f-body);font-weight:700;letter-spacing:.06em;font-size:1rem}
.brand .en{font-family:var(--f-disp);font-weight:600;font-size:.72rem;letter-spacing:.14em;color:var(--muted)}
.mascot{position:absolute;right:max(24px,4vw);bottom:0;height:clamp(340px,64vh,660px);width:auto;z-index:1;pointer-events:none;filter:drop-shadow(0 18px 40px rgba(0,0,0,.55))}
.s .head.hf{grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:end}
.hf .fig{height:clamp(240px,32vw,400px);width:auto;display:block}
.mark .lg{width:64px;height:auto;aspect-ratio:783/1464;flex:none}
.mark img.mx{height:170px;width:auto;flex:none}
.sw{display:flex;gap:14px;flex-wrap:wrap;margin-top:14px}
.sw i{display:inline-flex;align-items:center;gap:8px;font-style:normal;font-family:var(--f-mono);font-size:.7rem;letter-spacing:.06em;color:var(--muted)}
.sw i::before{content:"";width:16px;height:16px;background:var(--c);border:1px solid var(--line)}
.foot-mk{display:inline-flex;align-items:center;gap:10px}
.foot-mk svg{height:28px;width:auto;aspect-ratio:783/1464}
@media (max-width:860px){.mascot{display:none}.s .head.hf{grid-template-columns:1fr}.hf .fig{height:220px;justify-self:start}}

.camp{margin:48px 0 8px}
.cmap{position:relative;border:1px solid var(--line);background:#000;overflow:hidden}
.cmap img{display:block;width:100%;height:auto}
.cmap .dot{position:absolute;width:26px;height:26px;margin:-13px 0 0 -13px;border-radius:50%;border:2px solid var(--gold);background:rgba(255,194,26,.18);cursor:pointer;padding:0;transition:transform .2s,background .2s}
.cmap .dot::after{content:"";position:absolute;inset:7px;border-radius:50%;background:var(--gold)}
.cmap .dot:hover,.cmap .dot[aria-pressed="true"]{transform:scale(1.35);background:rgba(255,194,26,.45)}
.ctog{position:absolute;top:10px;right:10px;display:flex;border:1px solid var(--line);background:rgba(5,8,12,.8)}
.ctog button{font:inherit;font-size:.8rem;color:var(--muted);background:transparent;border:0;padding:6px 12px;cursor:pointer}
.ctog button[aria-pressed="true"]{background:var(--gold);color:var(--gold-ink);font-weight:700}
.czone{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}
.czone button{font:inherit;font-size:.85rem;color:var(--muted);background:var(--panel);border:1px solid var(--line);padding:7px 12px;cursor:pointer}
.czone button[aria-pressed="true"]{border-color:var(--gold);color:var(--ink)}
.cpanel{border:1px solid var(--line);background:var(--panel);padding:20px 22px;min-height:132px}
.cpanel h3{margin:8px 0 6px;font-family:var(--f-disp);font-size:1.25rem}
.cpanel p{margin:4px 0;color:var(--muted);font-size:.95rem;line-height:1.7}
.cnote{margin-top:12px;font-size:.8rem;color:var(--muted)}
.cflow{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:28px 0 8px}
@media(max-width:700px){.cflow{grid-template-columns:1fr}.cmap .dot{width:22px;height:22px;margin:-11px 0 0 -11px}.cmap .dot::after{inset:6px}}

nav a[aria-current]{color:var(--gold)}
.skip:focus{left:16px!important;top:8px;z-index:70;background:var(--gold);color:var(--gold-ink);padding:6px 12px}
.faq{border-bottom:1px solid var(--line);padding:14px 0}.faq summary{cursor:pointer}.faq p{color:var(--muted);margin-top:8px}
form a{color:var(--cyan)}

/* PINO site simulation entry: scoped to Zaolihu field */
.camp-map-shell{position:relative}.sim-entry{position:absolute;right:18px;top:18px;width:280px;z-index:3;border-radius:8px;background:rgba(5,8,12,.88);border:1px solid rgba(255,255,255,.18);overflow:hidden;box-shadow:0 10px 30px #0005}.sim-entry>a{display:block;color:inherit;text-decoration:none}.sim-entry img{display:block;width:100%;height:auto;aspect-ratio:8/5;object-fit:cover}.sim-entry h3{font-size:18px;margin:8px 14px}.sim-entry p{font-size:13px;line-height:1.6;margin:8px 14px}.sim-entry small{display:block;margin:8px 14px;color:#ffc928}.sim-entry-link{display:inline-block;margin:12px 0;color:#34c27a;font-weight:700;text-decoration:underline;text-underline-offset:4px}.sim-entry .sim-entry-link{margin:8px 14px 14px}@media(max-width:820px){.sim-entry{position:static;width:100%;margin-top:14px}.sim-entry img{aspect-ratio:16/7}.camp-map-shell{width:100%}}