/* Cyber Factory · 赛博工厂 — v4 "holographic void" theme
   深邃宇宙虚空底 · 全息光束 · 数据微粒 · 青→品红霓虹 */
:root{
  --bg:#020308; --card:rgba(10,17,35,.52); --line:rgba(110,150,255,.14);
  --cyan:#22d3ee; --magenta:#e879f9; --amber:#fbbf24;
  --text:#eef2ff; --dim:#8f9cc0; --good:#34d399; --bad:#f87171;
  --radius:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  min-height:100vh; line-height:1.65; font-weight:300;
}
#bg-canvas{position:fixed;inset:0;z-index:0;pointer-events:none}
body::after{
  content:""; position:fixed; inset:0; pointer-events:none; z-index:0;
  background:
    radial-gradient(700px 340px at 12% -4%, rgba(34,211,238,.10), transparent 65%),
    radial-gradient(760px 380px at 88% 6%, rgba(232,121,249,.09), transparent 65%),
    radial-gradient(900px 500px at 50% 108%, rgba(80,120,255,.06), transparent 70%);
}
a{color:var(--cyan);text-decoration:none}
button{font-family:inherit;cursor:pointer}
b,strong,h1,h2,h3{font-weight:600}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:14px;
  padding:10px 22px;background:rgba(2,3,8,.72);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:2px;white-space:nowrap;
  background:linear-gradient(90deg,var(--cyan),var(--magenta));
  -webkit-background-clip:text;background-clip:text;color:transparent;}
.logo img{width:34px;height:34px;border-radius:50%;
  box-shadow:0 0 14px rgba(34,211,238,.55),0 0 30px rgba(232,121,249,.25)}
.logo small{font-size:11px;color:var(--dim);-webkit-text-fill-color:var(--dim);letter-spacing:3px}
.nav-links{display:flex;gap:4px;margin-left:8px;flex-wrap:wrap}
.nav-links a{padding:8px 12px;border-radius:10px;color:var(--dim);font-size:14px;letter-spacing:1px}
.nav-links a:hover,.nav-links a.active{color:var(--text);background:rgba(40,60,120,.25)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.lang-btn{padding:7px 16px;border-radius:20px;font-size:13px;font-weight:600;letter-spacing:1px;
  color:#fff;backdrop-filter:blur(8px);
  background:linear-gradient(rgba(8,12,28,.92),rgba(8,12,28,.92)) padding-box,
             linear-gradient(90deg,var(--cyan),var(--magenta)) border-box;
  border:1px solid transparent;
  box-shadow:0 0 14px rgba(34,211,238,.35),0 0 28px rgba(232,121,249,.18);
  transition:.25s}
.lang-btn:hover{transform:translateY(-1px);
  box-shadow:0 0 22px rgba(34,211,238,.6),0 0 44px rgba(232,121,249,.32)}
.player-chip{display:none;align-items:center;gap:8px;background:rgba(16,26,51,.6);
  border:1px solid rgba(34,211,238,.5);padding:6px 12px;border-radius:20px;font-size:13px;color:var(--cyan)}
.player-chip.on{display:flex}
.player-chip b{color:var(--amber)}

/* ---------- layout ---------- */
.wrap{max-width:1080px;margin:0 auto;padding:28px 20px 80px;position:relative;z-index:1}
.view{display:none;animation:fade .35s ease}
.view.on{display:block}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
h1{font-size:34px;line-height:1.35;margin-bottom:12px;letter-spacing:3px}
h2{font-size:24px;margin:28px 0 12px;letter-spacing:2px}
h3{font-size:18px;margin:18px 0 8px;letter-spacing:1px}
p.dim{color:var(--dim)}
.grad{background:linear-gradient(90deg,var(--cyan),var(--magenta));
  -webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- hero ---------- */
.hero{text-align:center;padding:46px 16px 34px}
.hero-logo{width:190px;height:190px;border-radius:50%;margin:0 auto 22px;display:block;
  box-shadow:0 0 40px rgba(34,211,238,.35),0 0 90px rgba(232,121,249,.22),0 0 160px rgba(34,211,238,.12);
  animation:breathe 5s ease-in-out infinite}
@keyframes breathe{0%,100%{box-shadow:0 0 40px rgba(34,211,238,.35),0 0 90px rgba(232,121,249,.22),0 0 160px rgba(34,211,238,.12)}
  50%{box-shadow:0 0 60px rgba(34,211,238,.5),0 0 120px rgba(232,121,249,.32),0 0 200px rgba(34,211,238,.18)}}
.hero .tag{display:inline-block;border:1px solid rgba(34,211,238,.55);color:var(--cyan);
  padding:5px 18px;border-radius:20px;font-size:13px;margin-bottom:18px;letter-spacing:4px;
  background:rgba(34,211,238,.06)}
.hero h1{font-size:clamp(30px,5.5vw,54px)}
.hero p{color:var(--dim);max-width:640px;margin:14px auto 26px;font-size:16px}
.btn{display:inline-block;border:none;border-radius:12px;padding:13px 32px;font-size:16px;font-weight:600;letter-spacing:2px;
  background:linear-gradient(90deg,var(--cyan),var(--magenta));color:#04060d;transition:.25s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 36px rgba(34,211,238,.4),0 4px 18px rgba(232,121,249,.3)}
.btn.ghost{background:rgba(34,211,238,.05);border:1px solid rgba(34,211,238,.5);color:var(--cyan);margin-left:10px}
.btn.ghost:hover{box-shadow:0 8px 28px rgba(34,211,238,.25)}
.btn.small{padding:9px 20px;font-size:14px}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- cards / grids ---------- */
.grid{display:grid;gap:16px}
.grid.c2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid.c3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.grid.c4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  backdrop-filter:blur(14px);box-shadow:0 8px 40px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.04)}
.card:hover{border-color:rgba(34,211,238,.35)}
.card .icon{font-size:34px;margin-bottom:10px;filter:drop-shadow(0 0 8px rgba(34,211,238,.5))}
.card h3{margin:0 0 8px}
.card p{color:var(--dim);font-size:14px;margin-bottom:14px}
.steps{counter-reset:s;display:grid;gap:12px;margin-top:14px}
.step{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px 16px 58px;
  position:relative;backdrop-filter:blur(14px)}
.step::before{counter-increment:s;content:counter(s);position:absolute;left:16px;top:14px;width:30px;height:30px;
  border-radius:50%;background:linear-gradient(135deg,var(--cyan),var(--magenta));color:#04060d;
  font-weight:700;display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 16px rgba(34,211,238,.45)}
.step b{display:block;margin-bottom:4px;letter-spacing:1px}
.step span{color:var(--dim);font-size:14px}

/* ---------- forms ---------- */
.form{max-width:460px;margin:0 auto;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:30px;backdrop-filter:blur(14px)}
.form label{display:block;font-size:14px;color:var(--dim);margin:14px 0 6px;letter-spacing:1px}
.form input,.form select{width:100%;background:rgba(4,8,20,.7);border:1px solid var(--line);border-radius:12px;
  color:var(--text);padding:12px 14px;font-size:15px}
.form input:focus,.form select:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 1px var(--cyan),0 0 18px rgba(34,211,238,.2)}
.form .btn{width:100%;margin-top:22px}
.hint{font-size:13px;color:var(--dim);margin-top:14px;text-align:center}

/* ---------- dashboard ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin:18px 0}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;text-align:center;backdrop-filter:blur(14px)}
.stat .v{font-size:26px;font-weight:700;color:var(--amber);text-shadow:0 0 18px rgba(251,191,36,.4)}
.stat .v.cyan{color:var(--cyan);text-shadow:0 0 18px rgba(34,211,238,.4)}
.stat .v.green{color:var(--good);text-shadow:0 0 18px rgba(52,211,153,.4)}
.stat .k{font-size:12px;color:var(--dim);margin-top:4px;letter-spacing:1px}
.badge-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.badge{border:1px solid var(--line);border-radius:20px;padding:6px 14px;font-size:13px;color:var(--dim)}
.badge.got{border-color:rgba(251,191,36,.6);color:var(--amber);background:rgba(251,191,36,.07);
  box-shadow:0 0 12px rgba(251,191,36,.15)}

/* ---------- gesture lab ---------- */
.lab{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:860px){.lab{grid-template-columns:380px 1fr}}
.stage{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;text-align:center;position:relative;backdrop-filter:blur(14px)}
.stage svg{width:100%;max-width:300px;height:auto;filter:drop-shadow(0 0 24px rgba(34,211,238,.25))}
.g-name{font-size:22px;font-weight:600;margin:10px 0 4px;letter-spacing:2px}
.g-desc{color:var(--dim);font-size:14px;min-height:44px}
.gesture-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.city-group{margin-bottom:18px}
.city-group h4{font-size:14px;margin:0 0 10px;color:var(--text)}
.city-group h4::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;
  background:linear-gradient(90deg,var(--cyan),var(--magenta));margin-right:8px}
.city-group .g-card{cursor:default}
.city-group .g-card:hover{transform:none}
.g-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px;
  font-size:13px;cursor:pointer;text-align:center;transition:.2s;backdrop-filter:blur(10px)}
.g-card:hover{border-color:rgba(34,211,238,.5);transform:translateY(-2px)}
.g-card.sel{border-color:var(--cyan);box-shadow:0 0 0 1px var(--cyan),0 0 20px rgba(34,211,238,.25)}
.g-card b{display:block;font-size:14px;margin-bottom:4px}
.g-card span{color:var(--dim);font-size:12px}
.quiz-opts{display:grid;gap:10px;margin-top:16px}
.y-stage-icon{font-size:96px;text-align:center;padding:24px 0 8px;filter:drop-shadow(0 0 24px rgba(34,211,238,.35))}
.vision-stats{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:8px}
.v-stat{background:var(--glass);border:1px solid var(--line);border-radius:12px;padding:10px 20px;font-size:14px;color:var(--dim)}
.v-cat{margin:28px 0 12px;font-size:17px}
.vision-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.vision-card{background:var(--glass);border:1px solid var(--line);border-radius:14px;padding:18px 10px;text-align:center;cursor:pointer;transition:transform .2s,border-color .2s}
.vision-card:hover{transform:translateY(-3px);border-color:var(--cyan)}
.v-icon{font-size:38px}
.v-icon.big{font-size:56px;margin-bottom:6px}
.v-name{font-weight:700;margin:8px 0 8px;font-size:14px;min-height:40px;display:flex;align-items:center;justify-content:center}
.v-badge{display:inline-block;font-size:11px;padding:2px 12px;border-radius:20px;border:1px solid}
.st-live .v-badge{color:#4ade80;border-color:#4ade80}
.st-prep .v-badge{color:var(--cyan);border-color:var(--cyan)}
.st-future .v-badge{color:var(--dim);border-color:var(--dim)}
.v-modal{position:fixed;inset:0;background:rgba(0,0,0,.72);display:flex;align-items:center;justify-content:center;z-index:99;padding:20px}
.v-modal-box{background:#0d1420;border:1px solid var(--line);border-radius:16px;padding:30px 26px;max-width:430px;width:100%;text-align:center;position:relative}
.v-close{position:absolute;top:12px;right:16px;cursor:pointer;color:var(--dim);font-size:18px}
.auth-tabs{display:flex;gap:10px;justify-content:center;margin-bottom:22px}
.auth-tab{background:var(--glass);border:1px solid var(--line);color:var(--dim);border-radius:12px;padding:10px 40px;font-size:15px;cursor:pointer;transition:.2s}
.auth-tab.active{background:linear-gradient(90deg,var(--cyan),var(--magenta));color:#04060d;border-color:transparent;font-weight:700}
.auth-switch{display:block;text-align:center;margin-top:16px;font-size:13px;color:var(--cyan);cursor:pointer}
.ticker{margin:14px auto 0;max-width:1080px;width:calc(100% - 40px);border:1px solid rgba(34,211,238,.35);border-radius:12px;background:rgba(13,20,32,.72);backdrop-filter:blur(10px);box-shadow:0 0 24px rgba(34,211,238,.12),inset 0 0 18px rgba(34,211,238,.05);color:var(--text);overflow:hidden;white-space:nowrap;font-size:13px;position:relative;z-index:60;letter-spacing:.5px}
.ticker-track{display:inline-block;padding:9px 0;animation:tickmove 28s linear infinite;will-change:transform}
.tick-item{margin:0 28px}
.tick-warn{color:var(--amber);margin-right:8px}
@keyframes tickmove{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
.ticker:hover .ticker-track{animation-play-state:paused}
.alloc-row{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.alloc-row span{flex:0 0 220px;font-size:13px;color:var(--dim)}
.alloc-row .progress{flex:1;margin:0}
.alloc-row b{flex:0 0 48px;text-align:right;color:var(--amber)}
.phase{display:flex;gap:16px;align-items:flex-start;background:var(--card);border:1px solid var(--line);
  border-radius:14px;padding:14px 16px;margin-bottom:12px;backdrop-filter:blur(10px)}
.phase>div:first-child{flex:0 0 170px}
.phase-tag{font-weight:700;font-size:14px}
.phase-time{font-size:12px;color:var(--cyan);margin-top:4px}
.phase p{margin:0;font-size:13px;color:var(--dim);flex:1}
.quiz-opts button{background:rgba(4,8,20,.6);border:1px solid var(--line);border-radius:12px;color:var(--text);
  padding:13px;font-size:15px;text-align:left;transition:.2s}
.quiz-opts button:hover:not(:disabled){border-color:var(--cyan)}
.quiz-opts button.right{border-color:var(--good);background:rgba(52,211,153,.1)}
.quiz-opts button.wrong{border-color:var(--bad);background:rgba(248,113,113,.1)}
.quiz-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;color:var(--dim);font-size:14px}
.progress{height:8px;background:rgba(20,30,60,.6);border-radius:4px;overflow:hidden;margin:10px 0 18px}
.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cyan),var(--magenta));
  transition:.3s;box-shadow:0 0 12px rgba(34,211,238,.6)}
.result-box{text-align:center;padding:30px 10px}
.result-box .big{font-size:52px;margin-bottom:10px;filter:drop-shadow(0 0 16px rgba(232,121,249,.5))}

/* officer svg arms */
.arm{transition:transform .45s ease;transform-box:view-box}
.arm line,.arm circle{filter:drop-shadow(0 0 6px rgba(34,211,238,.8))}
.arm.swing{animation:swing 1.1s ease-in-out infinite}
@keyframes swing{0%,100%{transform:rotate(var(--a,0deg))}50%{transform:rotate(calc(var(--a,0deg) - 38deg))}}

/* ---------- sorting line ---------- */
.parcel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;max-width:520px;margin:0 auto;text-align:center;backdrop-filter:blur(14px);
  box-shadow:0 8px 40px rgba(0,0,0,.35)}
.barcode{height:74px;margin:6px auto 4px;max-width:340px;border-radius:6px;
  background:repeating-linear-gradient(90deg,#dfe6f5 0 3px,transparent 3px 7px,#dfe6f5 7px 8px,transparent 8px 14px);
  filter:blur(7px) contrast(.85);position:relative}
.barcode::after{content:"⚠";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:30px;filter:blur(0)}
.addr{font-size:19px;font-weight:600;margin:12px 0 2px;letter-spacing:1px}
.addr small{display:block;font-weight:300;color:var(--dim);font-size:13px;margin-top:4px}
.chutes{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:20px}
@media(min-width:640px){.chutes{grid-template-columns:repeat(4,1fr)}}
.chute{background:rgba(4,8,20,.6);border:1px solid rgba(110,150,255,.25);border-radius:14px;padding:18px 8px;
  color:var(--text);font-size:16px;font-weight:600;transition:.2s;letter-spacing:1px}
.chute small{display:block;font-weight:300;color:var(--dim);font-size:12px;margin-top:4px}
.chute:hover:not(:disabled){border-color:var(--cyan);transform:translateY(-2px);box-shadow:0 0 20px rgba(34,211,238,.25)}
.chute.right{border-color:var(--good);background:rgba(52,211,153,.1)}
.chute.wrong{border-color:var(--bad);background:rgba(248,113,113,.1)}
.timer{height:8px;background:rgba(20,30,60,.6);border-radius:4px;overflow:hidden;margin:14px 0 4px}
.timer i{display:block;height:100%;background:var(--amber);width:100%;box-shadow:0 0 12px rgba(251,191,36,.5)}
.score-line{display:flex;justify-content:space-between;color:var(--dim);font-size:14px;margin-bottom:6px}
.score-line b{color:var(--text)}

/* ---------- misc ---------- */
.notice{background:rgba(251,191,36,.06);border:1px solid rgba(251,191,36,.3);border-radius:14px;
  padding:14px 18px;font-size:14px;color:#fcd34d;margin:20px 0;backdrop-filter:blur(10px)}
.notice.cy{border-color:rgba(34,211,238,.3);background:rgba(34,211,238,.05);color:var(--cyan)}
footer{border-top:1px solid var(--line);margin-top:60px;padding:26px 20px;text-align:center;
  color:var(--dim);font-size:13px;position:relative;z-index:1;letter-spacing:1px}
.center{text-align:center}
.mt{margin-top:18px}.mb{margin-bottom:18px}
.kbd{background:rgba(20,30,60,.6);border:1px solid var(--line);border-radius:6px;padding:2px 8px;font-size:13px}

/* ---------- 站内弹窗（替代原生 alert/confirm） ---------- */
.modal-ov{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;
  background:rgba(2,6,16,.72);backdrop-filter:blur(6px);padding:20px}
.modal-card{max-width:420px;width:100%;background:rgba(10,16,32,.94);border:1px solid rgba(34,211,238,.4);
  border-radius:18px;padding:28px 26px 22px;box-shadow:0 0 40px rgba(34,211,238,.18),0 18px 60px rgba(0,0,0,.5);
  animation:modalIn .22s ease-out}
@keyframes modalIn{from{transform:translateY(12px) scale(.97);opacity:0}to{transform:none;opacity:1}}
.modal-msg{font-size:15px;line-height:1.7;color:var(--text);text-align:center;margin-bottom:22px;white-space:pre-line}
.modal-btns{display:flex;gap:12px;justify-content:center}
.modal-btns .btn{min-width:110px}