/* ============ 变量 ============ */
:root{
  --ink:#06080B;
  --panel:#0E1219;
  --panel-2:#141A22;
  --panel-3:#1A212B;
  --line:rgba(255,255,255,.075);
  --line-2:rgba(255,255,255,.14);
  --text:#EDF1F6;
  --dim:#98A2B0;
  --mute:#66707E;
  --amber:#F5B02E;
  --cyan:#62D0EC;
  --max:1240px;
  --bar-h:58px;
  --r:14px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,p,dl,ul{margin:0}
ul{padding:0;list-style:none}
::selection{background:rgba(245,176,46,.28)}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px}

/* ============ 背景 ============ */
.bg{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.bg-grid{
  position:absolute;inset:-2px;
  background-image:
    linear-gradient(to right,rgba(255,255,255,.032) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(255,255,255,.032) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(ellipse 78% 62% at 50% 8%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 78% 62% at 50% 8%,#000 30%,transparent 78%);
}
.bg-glow{
  position:absolute;left:50%;top:-18%;
  width:min(1080px,110vw);height:62vh;
  transform:translateX(-50%);
  background:radial-gradient(ellipse at center,rgba(245,176,46,.13),transparent 66%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:1;pointer-events:none;
  opacity:.035;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============ 顶栏 ============ */
.bar{
  position:fixed;left:0;right:0;top:0;z-index:20;
  height:var(--bar-h);
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;
  padding:0 20px;
  border-bottom:1px solid transparent;
  background:rgba(6,8,11,.72);
  transition:border-color .2s,background .2s;
}
.bar.is-stuck{border-bottom-color:var(--line);background:rgba(6,8,11,.94)}
@supports (backdrop-filter:blur(6px)){
  .bar.is-stuck{background:rgba(6,8,11,.8);backdrop-filter:blur(10px)}
}
.brand{display:flex;align-items:center;gap:9px;min-width:0}
.brand-mark{
  width:9px;height:9px;border-radius:50%;
  background:var(--amber);
  box-shadow:0 0 0 1px rgba(245,176,46,.4),0 0 16px rgba(245,176,46,.5);
  flex:0 0 auto;
}
.brand-name{font-size:14.5px;font-weight:650;letter-spacing:.01em;white-space:nowrap}
.bar-nav{display:flex;align-items:center;gap:2px}
.bar-nav a{
  padding:7px 11px;border-radius:8px;
  font-size:13px;color:var(--dim);
  transition:color .18s,background .18s;
  white-space:nowrap;
}
.bar-nav a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.bar-nav a.is-game{color:var(--amber)}
.bar-nav a.is-game:hover{background:rgba(245,176,46,.1)}

/* ============ Hero ============ */
.hero{
  position:relative;z-index:2;
  max-width:var(--max);margin:0 auto;
  padding:calc(var(--bar-h) + 34px) 20px 44px;
  display:flex;flex-direction:column;
}
.hero-copy{order:1;min-width:0}
.hero-stage{
  order:2;
  position:relative;
  height:min(72vw,420px);
  margin-top:8px;
}

.hero-avatar{margin-bottom:16px}
.hero-avatar img{
  width:56px;height:56px;border-radius:50%;
  object-fit:cover;border:1px solid var(--line-2);
}
.hero-kicker{
  display:flex;align-items:center;gap:10px;
  font-size:12.5px;letter-spacing:.06em;
  color:var(--amber);text-transform:none;
}
.k-line{width:22px;height:1px;background:var(--amber);opacity:.7;flex:0 0 auto}
.hero-name{
  margin:14px 0 0;
  font-size:clamp(44px,7.4vw,84px);
  line-height:.94;
  font-weight:800;
  letter-spacing:-.035em;
}
.hero-bio{
  margin-top:18px;
  max-width:32em;
  font-size:16.5px;line-height:1.72;
  color:var(--dim);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 20px;
  border-radius:11px;
  font-size:14px;font-weight:600;letter-spacing:.01em;
  transition:transform .16s,background .18s,border-color .18s,color .18s;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-solid{background:var(--amber);color:#0B0803;border:1px solid var(--amber)}
.btn-solid:hover{background:#FFC145;border-color:#FFC145}
.btn-ghost{background:rgba(255,255,255,.035);color:var(--text);border:1px solid var(--line-2)}
.btn-ghost:hover{background:rgba(255,255,255,.085);border-color:rgba(255,255,255,.24)}
.btn-sm{min-height:38px;padding:0 14px;font-size:13px;border-radius:9px}

.hero-stats{
  display:flex;gap:0;
  margin-top:32px;
  border-top:1px solid var(--line);
  padding-top:18px;
}
.hero-stats > div{
  padding-right:26px;margin-right:26px;
  border-right:1px solid var(--line);
  min-width:66px;
}
.hero-stats > div:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-stats dt{
  font-size:10.5px;letter-spacing:.14em;color:var(--mute);
  margin-bottom:5px;
}
.hero-stats dd{
  margin:0;
  font-size:24px;font-weight:700;line-height:1;
  font-variant-numeric:tabular-nums;
  color:var(--text);
}

.hero-contacts{
  display:flex;flex-wrap:wrap;
  gap:8px 22px;
  margin-top:26px;
}
.hero-contacts li{min-width:0}
.hero-contacts a,.hero-contacts button{
  display:flex;flex-direction:column;gap:2px;
  padding:0;text-align:left;
  transition:opacity .18s;
}
.hero-contacts a:hover,.hero-contacts button:hover{opacity:.72}
.hc-label{font-size:10.5px;letter-spacing:.12em;color:var(--mute)}
.hc-value{font-size:13.5px;color:var(--dim);word-break:break-all}

/* 3D 舞台内部 */
.stage-ring{
  position:absolute;left:50%;top:calc(50% - 12px);
  height:min(70vw,330px);width:auto;aspect-ratio:1;
  transform:translate(-50%,-50%);
  border:1px dashed rgba(255,255,255,.1);
  border-radius:50%;
  pointer-events:none;
}
#orb{position:absolute;inset:0 0 24px 0;width:100%;height:auto;display:block}
.stage-tip{
  position:absolute;left:0;right:0;bottom:0;
  text-align:center;
  font-size:11px;letter-spacing:.1em;color:var(--mute);
  pointer-events:none;white-space:nowrap;
}
.stage-fallback{display:none}

/* ============ 区块 ============ */
main{position:relative;z-index:2;max-width:var(--max);margin:0 auto;padding:0 20px}
.sec{padding:46px 0 8px;border-top:1px solid var(--line);margin-top:34px}
.sec-head{
  display:flex;align-items:baseline;justify-content:space-between;
  gap:16px;margin-bottom:22px;
}
.sec-head h2{
  font-size:clamp(21px,2.4vw,27px);
  font-weight:750;letter-spacing:-.015em;
}
.sec-note{font-size:12.5px;color:var(--mute);text-align:right;flex:0 0 auto}
.empty{font-size:14px;color:var(--mute);padding:18px 0}

/* 卡片 */
.grid-wide{display:grid;grid-template-columns:1fr;gap:12px}
.grid-tiles{display:grid;grid-template-columns:1fr;gap:10px}

.card{
  position:relative;display:flex;align-items:flex-start;gap:13px;
  padding:18px;
  border:1px solid var(--line);
  border-radius:var(--r);
  background:linear-gradient(180deg,rgba(255,255,255,.028),rgba(255,255,255,0));
  background-color:var(--panel);
  text-align:left;
  transition:border-color .18s,background-color .18s,transform .18s;
  min-width:0;
  overflow:hidden;
}
.card:hover{
  border-color:rgba(255,255,255,.2);
  background-color:var(--panel-2);
  transform:translateY(-2px);
}
.card::after{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:hsl(var(--hue) 62% 56%);
  opacity:.55;
}
.card:hover::after{opacity:1}

.card-ico{
  flex:0 0 auto;
  width:42px;height:42px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:hsl(var(--hue) 40% 16%);
  color:hsl(var(--hue) 66% 78%);
  font-size:15px;font-weight:700;
  overflow:hidden;
}
.card-ico img{width:100%;height:100%;object-fit:cover}
.card-ico .dot{width:11px;height:11px;border-radius:50%}
.card-ico em{font-style:normal}

.card-main{display:flex;flex-direction:column;gap:4px;min-width:0;flex:1 1 auto}
.card-name{
  font-size:16px;font-weight:650;letter-spacing:-.01em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.card-desc{
  font-size:13px;line-height:1.5;color:var(--dim);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-arrow{
  width:16px;height:16px;flex:0 0 auto;
  color:var(--mute);
  margin-left:2px;
  transition:color .18s,transform .18s;
}
.card:hover .card-arrow{color:var(--amber);transform:translate(2px,-2px)}
.card-hint{
  position:absolute;right:16px;bottom:14px;
  font-size:10.5px;letter-spacing:.06em;color:var(--mute);
}

.card-wide{min-height:96px;padding:20px;align-items:center}
.card-wide .card-ico{width:46px;height:46px;border-radius:12px;font-size:17px}
.card-wide .card-name{font-size:17.5px}

.card-tile{padding:14px;align-items:center;gap:11px;border-radius:12px}
.card-tile .card-ico{width:36px;height:36px;border-radius:9px;font-size:13px}
.card-tile .card-name{font-size:14.5px;font-weight:600}
.card-tile .card-desc{font-size:12px;line-height:1.45;color:var(--mute);-webkit-line-clamp:1}
.card-tile .card-hint{right:12px;bottom:10px}

/* 筛选 */
.filter{
  display:flex;align-items:center;gap:9px;
  max-width:380px;
  padding:0 13px;
  height:42px;
  margin-bottom:16px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--panel);
  transition:border-color .18s,background .18s;
}
.filter:focus-within{border-color:rgba(245,176,46,.5);background:var(--panel-2)}
.filter svg{width:16px;height:16px;color:var(--mute);flex:0 0 auto}
.filter input{
  flex:1 1 auto;min-width:0;height:100%;
  border:0;background:none;color:var(--text);
  font-size:15px;outline:none;
}
.filter input::placeholder{color:var(--mute)}
.filter-empty{font-size:13.5px;color:var(--mute);padding:8px 2px}

/* 联系渠道 */
.contact-list{display:flex;flex-direction:column;gap:1px;border-top:1px solid var(--line)}
.contact{
  display:grid;
  grid-template-columns:44px 1fr auto;
  align-items:center;gap:14px;
  padding:15px 4px;
  border-bottom:1px solid var(--line);
  transition:background .18s;
}
.contact:hover{background:rgba(255,255,255,.022)}
.c-ico{
  width:40px;height:40px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:hsl(var(--hue) 38% 16%);
  color:hsl(var(--hue) 66% 76%);
  font-size:13px;font-weight:700;
}
.c-body{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 12px;min-width:0}
.c-name{font-size:15.5px;font-weight:600}
.c-value{font-size:14px;color:var(--text);word-break:break-all}
.c-note{font-size:12.5px;color:var(--mute);flex-basis:100%}
.c-actions{display:flex;gap:8px}
.c-btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:36px;padding:0 14px;
  border:1px solid var(--line-2);border-radius:9px;
  font-size:13px;color:var(--dim);
  transition:border-color .18s,color .18s,background .18s;
  white-space:nowrap;
}
.c-btn:hover{border-color:rgba(245,176,46,.55);color:var(--amber);background:rgba(245,176,46,.06)}

/* 游戏区 */
.play-grid{display:grid;grid-template-columns:1fr;gap:12px}
.play-card{
  position:relative;overflow:hidden;
  display:grid;
  grid-template-columns:1fr auto;
  align-items:center;gap:14px;
  padding:22px 20px;
  border:1px solid var(--line);
  border-radius:16px;
  background:var(--panel);
  text-align:left;
  transition:border-color .2s,background-color .2s,transform .2s;
}
.play-card:hover{border-color:rgba(245,176,46,.4);background-color:var(--panel-2);transform:translateY(-2px)}
.pc-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.pc-title{font-size:19px;font-weight:700;letter-spacing:-.015em}
.pc-desc{font-size:13.5px;line-height:1.6;color:var(--dim);max-width:30em}
.pc-cta{
  display:inline-flex;align-items:center;gap:7px;
  margin-top:6px;
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
  color:var(--amber);
}
.pc-cta svg{width:15px;height:15px;transition:transform .18s}
.play-card:hover .pc-cta svg{transform:translateX(3px)}
.pc-peek{
  width:clamp(84px,22vw,132px);
  aspect-ratio:1;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(255,255,255,.018);
  border:1px solid var(--line);
  flex:0 0 auto;
}
.pc-peek svg{width:88%;height:88%}
.peek-sn circle{fill:#62D0EC}

/* ============ 页脚 ============ */
.foot{
  position:relative;z-index:2;
  max-width:var(--max);margin:64px auto 0;
  padding:22px 20px 40px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:12.5px;color:var(--mute);
}
.foot-dot{opacity:.5}
.foot-admin{
  margin-left:auto;
  padding:6px 12px;border:1px solid var(--line);border-radius:8px;
  color:var(--dim);transition:border-color .18s,color .18s;
}
.foot-admin:hover{border-color:var(--line-2);color:var(--text)}

/* ============ 弹层 ============ */
.dlg{
  width:min(94vw,600px);
  max-height:92vh;
  padding:0;border:1px solid var(--line-2);
  border-radius:18px;
  background:var(--panel);
  color:var(--text);
  overflow:hidden;
  box-shadow:0 30px 80px rgba(0,0,0,.6);
}
.dlg::backdrop{background:rgba(4,6,9,.82)}
.dlg:focus{outline:none}
.dlg[open]{animation:dlg-in .18s ease-out}
@keyframes dlg-in{from{transform:translateY(8px) scale(.985)}}
.dlg-inner{padding:18px 18px 20px;display:flex;flex-direction:column;gap:14px}
.dlg-head{display:flex;align-items:center;gap:12px}
.dlg-title{font-size:16px;font-weight:700;letter-spacing:-.01em}
.dlg-note{
  font-size:12.5px;color:var(--dim);
  margin-left:auto;
}
.dlg-note b{font-variant-numeric:tabular-nums;color:var(--text);font-weight:700}
.dlg-close{
  width:34px;height:34px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  color:var(--dim);font-size:19px;line-height:1;
  transition:border-color .18s,color .18s,background .18s;
  flex:0 0 auto;
}
.dlg-close:hover{border-color:var(--line-2);color:var(--text);background:rgba(255,255,255,.06)}
.dlg-foot{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.dlg-hint{font-size:11.5px;color:var(--mute);margin-left:auto;letter-spacing:.02em}

/* 五子棋 */
.gm-wrap{
  position:relative;
  width:100%;
  display:flex;justify-content:center;
}
#gmCanvas{
  display:block;width:100%;max-width:460px;aspect-ratio:1;
  border-radius:12px;
  border:1px solid var(--line);
  background:#0B1017;
  touch-action:manipulation;
  cursor:crosshair;
}

/* 贪吃蛇 */
.sn-wrap{position:relative;width:100%;max-width:380px;margin:0 auto}
#snCanvas{
  display:block;width:100%;aspect-ratio:1;
  border-radius:12px;
  border:1px solid var(--line);
  background:#0B1017;
  touch-action:none;
}
.sn-over{
  position:absolute;inset:0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  border-radius:12px;
  background:rgba(6,8,11,.88);
  font-size:14px;font-weight:600;
}
.sn-over[hidden]{display:none}

/* toast */
.toast{
  position:fixed;left:50%;bottom:26px;z-index:40;
  transform:translate(-50%,12px);
  padding:10px 18px;border-radius:999px;
  background:rgba(20,26,34,.97);
  border:1px solid var(--line-2);
  color:var(--text);font-size:13px;
  opacity:0;pointer-events:none;
  transition:opacity .2s,transform .2s;
  max-width:86vw;text-align:center;
}
.toast.is-on{opacity:1;transform:translate(-50%,0)}

/* ============ 断点 ============ */
@media (min-width:640px){
  .grid-tiles{grid-template-columns:repeat(2,minmax(0,1fr))}
  .play-grid{grid-template-columns:1fr}
}

@media (min-width:860px){
  .grid-tiles{grid-template-columns:repeat(3,minmax(0,1fr))}
}

@media (min-width:980px){
  .hero{
    display:grid;
    grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);
    align-items:center;
    gap:40px;
    padding:calc(var(--bar-h) + 46px) 20px 34px;
    min-height:80svh;
  }
  .hero-copy{order:1}
  .hero-stage{order:2;height:clamp(340px,52vh,520px);margin-top:0}
  .stage-tip{bottom:6px}
  .hero-name{font-size:clamp(56px,5.4vw,84px)}
  .sec{padding:60px 0 10px;margin-top:44px}
  .sec-head{margin-bottom:26px}
  .grid-wide{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
  .grid-tiles{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
  .play-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .play-card{padding:26px 24px}
}

@media (min-width:1240px){
  .grid-tiles{grid-template-columns:repeat(4,minmax(0,1fr))}
}

@media (max-width:519px){
  .bar{padding:0 16px}
  .bar-nav a{padding:6px 8px;font-size:12.5px}
  .hero{padding-top:calc(var(--bar-h) + 24px)}
  .hero-bio{font-size:15.5px}
  .hero-stats > div{padding-right:18px;margin-right:18px;min-width:56px}
  .hero-stats dd{font-size:21px}
  .contact{grid-template-columns:38px 1fr;gap:12px;padding:14px 2px}
  .c-ico{width:36px;height:36px}
  .c-actions{grid-column:1/-1;justify-content:flex-end}
  .pc-peek{display:none}
  .play-card{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.001ms!important;animation-duration:.001ms!important}
}