/* ==========================================================================
   峰源科技 · APP 层 v12 · 实时演示区 + 控制台 + 麻将/棋牌屏内元件
   全部动画只跑 transform / opacity,不触发布局重排
   ========================================================================== */

/* ---------- 1. 演示区外壳 ---------- */
.zk-demo{position:relative;margin-top:38px;border-radius:20px;overflow:hidden;
  border:1px solid rgba(255,255,255,.11);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.012))}
.zk-demo::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--zk-a),transparent);opacity:.6}
.zk-demo-hd{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;
  padding:16px 20px;border-bottom:1px solid rgba(255,255,255,.085)}
.zk-demo-hd h3{margin:0;font-size:1rem;font-weight:750;letter-spacing:-.015em}
.zk-demo-hd p{margin:0;font-size:.76rem;color:rgba(255,255,255,.46)}
.zk-demo-live{display:inline-flex;align-items:center;gap:7px;height:24px;padding:0 11px;
  border-radius:999px;font-size:.68rem;font-weight:800;letter-spacing:.1em;
  color:#4ade80;border:1px solid rgba(74,222,128,.34);background:rgba(74,222,128,.09)}
.zk-demo-live i{width:6px;height:6px;border-radius:50%;background:currentColor;
  animation:zk-demo-pulse 1.7s ease-out infinite}
@keyframes zk-demo-pulse{0%{box-shadow:0 0 0 0 rgba(74,222,128,.6)}
  70%{box-shadow:0 0 0 7px rgba(74,222,128,0)}100%{box-shadow:0 0 0 0 rgba(74,222,128,0)}}
.zk-demo-chip{display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;
  font-size:.68rem;font-weight:700;color:rgba(255,255,255,.62);
  border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.035)}
.zk-demo-hd .sp{margin-left:auto}

.zk-demo-body{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,.85fr)}
@media (max-width:1000px){.zk-demo-body{grid-template-columns:1fr}}

/* ---------- 2. 舞台 ---------- */
.zk-demo-stage{position:relative;padding:16px;overflow:hidden;
  background:
    radial-gradient(60% 60% at 50% 0%,rgba(34,211,197,.09),transparent 66%),
    radial-gradient(50% 50% at 100% 100%,rgba(59,130,246,.08),transparent 62%),
    rgba(4,7,13,.6)}
.zk-demo-stage canvas{display:block;width:100%;height:auto;border-radius:14px;
  background:#04120c;box-shadow:0 30px 60px -40px rgba(0,0,0,.95),
    inset 0 0 0 1px rgba(255,255,255,.07)}
.zk-demo-stage canvas.zk-cv-felt{background:#061a12}
.zk-demo-stage canvas.zk-cv-wood{background:#120a06}
.zk-demo-hud{position:absolute;left:26px;top:26px;display:flex;flex-direction:column;gap:6px;
  pointer-events:none}
.zk-demo-hud span{display:inline-flex;align-items:center;gap:7px;align-self:flex-start;
  height:25px;padding:0 11px;border-radius:999px;font-size:.68rem;font-weight:750;
  color:rgba(255,255,255,.9);background:rgba(4,8,14,.62);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,.14)}
.zk-demo-hud b{color:var(--zk-a);font-weight:800}
.zk-demo-tip{position:absolute;right:26px;bottom:26px;font-size:.68rem;font-weight:650;
  color:rgba(255,255,255,.55);background:rgba(4,8,14,.62);border:1px solid rgba(255,255,255,.12);
  border-radius:999px;padding:6px 12px;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  pointer-events:none;transition:opacity .3s}

/* ---------- 3. 控制台侧栏 ---------- */
.zk-demo-side{display:flex;flex-direction:column;gap:10px;padding:16px 18px;
  border-left:1px solid rgba(255,255,255,.085);background:rgba(255,255,255,.016)}
@media (max-width:1000px){.zk-demo-side{border-left:0;border-top:1px solid rgba(255,255,255,.085)}}
.zk-demo-side h4{margin:0 0 2px;font-size:.72rem;font-weight:800;letter-spacing:.12em;
  text-transform:uppercase;color:rgba(255,255,255,.44)}
.zk-ctl{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:12px;
  border:1px solid rgba(255,255,255,.085);background:rgba(255,255,255,.028);
  cursor:pointer;transition:border-color .22s,background .22s,transform .22s;
  text-align:left;font:inherit;color:inherit;width:100%}
.zk-ctl:hover{border-color:rgba(255,255,255,.2);transform:translateX(2px)}
.zk-ctl.on{border-color:rgba(34,211,197,.4);background:rgba(34,211,197,.075)}
.zk-ctl-sw{position:relative;flex:none;width:36px;height:20px;border-radius:999px;
  background:rgba(255,255,255,.14);transition:background .26s}
.zk-ctl-sw::after{content:"";position:absolute;top:2.5px;left:2.5px;width:15px;height:15px;
  border-radius:50%;background:#fff;transition:transform .26s cubic-bezier(.3,.8,.3,1)}
.zk-ctl.on .zk-ctl-sw{background:linear-gradient(135deg,var(--zk-a),var(--zk-a2))}
.zk-ctl.on .zk-ctl-sw::after{transform:translateX(16px)}
.zk-ctl-txt{min-width:0}
.zk-ctl-txt b{display:block;font-size:.8rem;font-weight:700}
.zk-ctl-txt i{display:block;font-style:normal;font-size:.7rem;color:rgba(255,255,255,.46);margin-top:3px}
.zk-ctl-k{display:inline-flex;align-items:center;height:18px;padding:0 7px;border-radius:999px;
  font-size:.6rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;
  background:rgba(255,255,255,.1);color:rgba(255,255,255,.68)}
.zk-ctl.on .zk-ctl-k{background:rgba(34,211,197,.24);color:#9af3e6}

/* ---------- 4. 可控项清单(表格) ---------- */
.zk-demo-foot{border-top:1px solid rgba(255,255,255,.085);padding:18px 20px 22px}
.zk-demo-foot h4{margin:0 0 12px;font-size:.86rem;font-weight:750}
.zk-ctltable{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
@media (max-width:860px){.zk-ctltable{grid-template-columns:1fr}}
.zk-ctlrow{display:flex;gap:11px;padding:12px 14px;border-radius:13px;
  border:1px solid rgba(255,255,255,.078);background:rgba(255,255,255,.022);
  transition:border-color .22s,background .22s}
.zk-ctlrow:hover{border-color:rgba(255,255,255,.18);background:rgba(255,255,255,.045)}
.zk-ctlrow .n{flex:none;width:26px;height:26px;border-radius:9px;display:grid;place-items:center;
  font-size:.68rem;font-weight:800;color:#04121a;
  background:linear-gradient(135deg,var(--zk-a),var(--zk-a2))}
.zk-ctlrow .t{min-width:0}
.zk-ctlrow .t b{display:block;font-size:.83rem;font-weight:700}
.zk-ctlrow .t p{margin-top:4px;font-size:.755rem;line-height:1.62;color:rgba(255,255,255,.55)}
.zk-ctlrow .t em{display:inline-block;font-style:normal;margin-top:6px;margin-right:6px;
  font-size:.66rem;font-weight:700;padding:3px 8px;border-radius:999px;
  background:rgba(255,255,255,.07);color:rgba(255,255,255,.6)}

/* ---------- 5. 麻将 / 棋牌 屏内元件 ---------- */
.zkm-tiles{display:flex;gap:3px}
.zkm-tile{position:relative;flex:none;width:15px;height:21px;border-radius:3.5px;
  background:linear-gradient(180deg,#fdfdf7,#e6e6d8);border:1px solid rgba(0,0,0,.16);
  box-shadow:0 2px 0 rgba(0,0,0,.28);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:1px;color:#1b2b1f;
  font-size:7px;font-weight:800;line-height:1}
.zkm-tile em{font-style:normal;font-size:5.5px;font-weight:700;opacity:.72}
.zkm-tile.honor{color:#123a2a}
.zkm-tile.red{color:#b3202a}
.zkm-tile.back{background:linear-gradient(160deg,#1e9e6a,#0d6b46);border-color:rgba(0,0,0,.2)}
.zkm-tile.back::after{content:"";width:7px;height:9px;border-radius:2px;
  background:rgba(255,255,255,.26)}
.zkm-tile.sm{width:11px;height:16px;border-radius:3px;font-size:5.5px}
.zkm-tile.lg{width:19px;height:26px;font-size:8.5px;border-radius:4px}
.zkm-seat{display:flex;align-items:center;gap:6px;padding:5px 7px;border-radius:9px;
  background:rgba(0,0,0,.28);border:1px solid rgba(255,255,255,.075)}
.zkm-seat b{font-size:9px;font-weight:750}
.zkm-seat span{font-size:8px;color:rgba(255,255,255,.5)}
.zkm-seat .dot{width:5px;height:5px;border-radius:50%;background:#4ade80;flex:none}
.zkm-seat.turn{border-color:rgba(52,211,153,.5);background:rgba(52,211,153,.1)}
.zkm-tabletop{position:relative;border-radius:13px;padding:10px;overflow:hidden;
  background:radial-gradient(120% 100% at 50% 0%,#0e3a28,#08251a 68%,#061c14);
  border:1px solid rgba(255,255,255,.075)}
.zkm-tabletop::after{content:"";position:absolute;left:50%;top:50%;width:74px;height:74px;
  transform:translate(-50%,-50%) rotate(45deg);border-radius:14px;
  border:1px dashed rgba(212,175,55,.3)}
.zkm-pot{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);text-align:center}
.zkm-pot b{display:block;font-size:12px;font-weight:800;color:#f5d061}
.zkm-pot span{font-size:7px;color:rgba(255,255,255,.5)}
.zkm-bet{display:inline-flex;align-items:center;gap:4px;font-size:8.5px;font-weight:750}
.zkm-chip{width:13px;height:13px;border-radius:50%;flex:none;
  background:radial-gradient(circle at 35% 30%,#fff3c4,#d4a017 62%,#8a6410);
  border:1.5px dashed rgba(255,255,255,.5)}
.zkm-chip.b{background:radial-gradient(circle at 35% 30%,#cfe6ff,#3b82f6 62%,#1a4fa0)}
.zkm-chip.r{background:radial-gradient(circle at 35% 30%,#ffd9d4,#ef4444 62%,#8f1d1d)}
.zkm-cards{display:flex;gap:3px}
.zkm-card{position:relative;flex:none;width:16px;height:23px;border-radius:3.5px;
  background:linear-gradient(160deg,#fff,#e9e9ee);border:1px solid rgba(0,0,0,.16);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  font-size:7.5px;font-weight:800;color:#16181d;line-height:1;box-shadow:0 2px 0 rgba(0,0,0,.24)}
.zkm-card.red{color:#c0202b}
.zkm-card.back{background:linear-gradient(160deg,#1f4fd8,#122b7a);border-color:rgba(0,0,0,.22)}
.zkm-card.back::after{content:"";width:8px;height:11px;border-radius:2px;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.34) 0 2px,transparent 2px 4px)}
.zkm-bar{display:flex;align-items:flex-end;gap:2px;height:26px}
.zkm-bar i{width:5px;border-radius:2px 2px 0 0;background:linear-gradient(180deg,var(--zk-a),var(--zk-a2));opacity:.85}