/* 星幻服务器 · 全站样式 */

/* 标题字体：呆萌手写体（已按站内文字裁剪，仅 170KB） */
@font-face{
  font-family:"XingHuanTitle";
  src:url("fonts/shouxie.woff2") format("woff2");
  font-display:swap;
  font-weight:400;
}
/* 小标题字体：851 GBai 马克笔体（只裁了小标题用到的字，23KB） */
@font-face{
  font-family:"XingHuanMarker";
  src:url("fonts/marker.woff2") format("woff2");
  font-display:swap;
  font-weight:400;
}

:root{
  --bg:#04050c;
  --panel:rgba(20,21,44,.66);
  --line:rgba(140,160,255,.16);
  --line-strong:rgba(150,170,255,.32);
  --text:#ecedf9;
  --muted:#98a0c0;
  --cyan:#5fe3ff;
  --purple:#b482ff;
  --pink:#ff8ad4;
  --green:#7ef0a0;
  --yellow:#ffd479;
  --radius:18px;
  --shadow:0 18px 50px -18px rgba(0,0,0,.85);
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-title:"XingHuanTitle",var(--font-body);
  --font-marker:"XingHuanMarker",var(--font-title);
}

*{box-sizing:border-box}

html{scroll-behavior:smooth}

body{
  margin:0;
  min-height:100vh;
  color:var(--text);
  background:var(--bg);
  font-family:var(--font-body);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

::selection{background:rgba(95,227,255,.28);color:#fff}

/* ===== 动态星空背景 ===== */
.stars,
.nebula{
  position:fixed;
  inset:-12vmax;
  pointer-events:none;
  z-index:-2;
  will-change:transform, opacity;
}

/* 两层星点，各自闪烁 + 极缓慢漂移 */
.stars{
  background-image:
    radial-gradient(1.6px 1.6px at 12% 18%, rgba(255,255,255,.95), transparent 60%),
    radial-gradient(1px 1px at 32% 8%, rgba(255,255,255,.6), transparent 60%),
    radial-gradient(1.8px 1.8px at 68% 14%, rgba(190,225,255,.9), transparent 60%),
    radial-gradient(1px 1px at 88% 26%, rgba(255,255,255,.55), transparent 60%),
    radial-gradient(1.4px 1.4px at 46% 42%, rgba(255,255,255,.55), transparent 60%),
    radial-gradient(1.8px 1.8px at 78% 58%, rgba(220,200,255,.8), transparent 60%),
    radial-gradient(1px 1px at 22% 66%, rgba(255,255,255,.5), transparent 60%),
    radial-gradient(1.4px 1.4px at 58% 78%, rgba(255,255,255,.6), transparent 60%),
    radial-gradient(1px 1px at 8% 88%, rgba(255,255,255,.45), transparent 60%),
    radial-gradient(1.6px 1.6px at 92% 84%, rgba(255,255,255,.6), transparent 60%),
    radial-gradient(1px 1px at 40% 96%, rgba(255,255,255,.4), transparent 60%);
  animation:twinkle-a 7s ease-in-out infinite, drift-a 120s linear infinite;
}
.stars::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    radial-gradient(2px 2px at 5% 45%, rgba(160,220,255,.85), transparent 60%),
    radial-gradient(1.2px 1.2px at 26% 12%, rgba(255,255,255,.7), transparent 60%),
    radial-gradient(2.2px 2.2px at 52% 22%, rgba(255,180,240,.75), transparent 60%),
    radial-gradient(1.2px 1.2px at 72% 34%, rgba(255,255,255,.6), transparent 60%),
    radial-gradient(1.8px 1.8px at 94% 12%, rgba(180,200,255,.75), transparent 60%),
    radial-gradient(1.2px 1.2px at 36% 58%, rgba(255,255,255,.5), transparent 60%),
    radial-gradient(2px 2px at 64% 70%, rgba(150,235,255,.8), transparent 60%),
    radial-gradient(1.2px 1.2px at 82% 92%, rgba(255,255,255,.5), transparent 60%),
    radial-gradient(1.6px 1.6px at 16% 96%, rgba(200,190,255,.6), transparent 60%);
  animation:twinkle-b 10s ease-in-out infinite, drift-b 160s linear infinite;
}

/* ===== 流星雨 ===== */
.shooting{
  position:fixed;
  inset:0;
  z-index:-2;
  pointer-events:none;
  overflow:hidden;
}
.shooting span{
  --top:10%;
  --left:104%;
  --len:190px;
  --rot:-28deg;
  --dist:-135vw;
  --dur:6.5s;
  --delay:0s;
  position:absolute;
  top:var(--top);
  left:var(--left);
  width:var(--len);
  height:3px;
  border-radius:99px;
  background:linear-gradient(90deg,#ffffff 0%,rgba(235,248,255,.95) 12%,rgba(175,215,255,.6) 45%,rgba(150,140,255,.22) 72%,transparent 96%);
  box-shadow:0 0 10px rgba(190,225,255,.85),0 0 28px rgba(140,170,255,.45);
  filter:drop-shadow(0 0 6px rgba(175,220,255,.95));
  opacity:0;
  transform-origin:left center;
  animation:streak var(--dur) linear infinite;
  animation-delay:var(--delay);
  will-change:transform, opacity;
}

/* 6 颗流星，沿自身倾角斜向下坠落，错开位置 / 时长 / 延迟 */
.shooting span:nth-child(1){--top:4%;--left:108%;--len:210px;--rot:-26deg;--dist:-130vw;--dur:7.2s;--delay:.6s}
.shooting span:nth-child(2){--top:16%;--left:96%;--len:150px;--rot:-38deg;--dist:-125vw;--dur:5.2s;--delay:2.3s}
.shooting span:nth-child(3){--top:30%;--left:114%;--len:180px;--rot:-22deg;--dist:-140vw;--dur:6.4s;--delay:4.1s}
.shooting span:nth-child(4){--top:46%;--left:86%;--len:120px;--rot:-44deg;--dist:-120vw;--dur:4.6s;--delay:5.8s}
.shooting span:nth-child(5){--top:8%;--left:70%;--len:240px;--rot:-30deg;--dist:-140vw;--dur:8.6s;--delay:7.6s}
.shooting span:nth-child(6){--top:24%;--left:102%;--len:160px;--rot:-34deg;--dist:-135vw;--dur:5.8s;--delay:9.4s}

/* 位移发生在旋转后的局部坐标系里，所以轨迹与倾角永远一致，不会横着飘 */
@keyframes streak{
  0%{opacity:0;transform:rotate(var(--rot)) translate3d(0,0,0) scaleX(.5)}
  4%{opacity:1}
  12%{opacity:1;transform:rotate(var(--rot)) translate3d(calc(var(--dist) * .45),0,0) scaleX(1)}
  20%{opacity:.6}
  26%{opacity:0;transform:rotate(var(--rot)) translate3d(var(--dist),0,0) scaleX(1.05)}
  100%{opacity:0;transform:rotate(var(--rot)) translate3d(var(--dist),0,0) scaleX(1.05)}
}

@keyframes twinkle-a{
  0%,100%{opacity:.55}
  50%{opacity:.95}
}
@keyframes twinkle-b{
  0%,100%{opacity:.35}
  45%{opacity:.85}
  70%{opacity:.45}
}
@keyframes drift-a{
  from{transform:translate3d(0,0,0)}
  to{transform:translate3d(-24px,18px,0)}
}
@keyframes drift-b{
  from{transform:translate3d(0,0,0)}
  to{transform:translate3d(30px,-26px,0)}
}

/* 星云：底色 + 两团缓慢游走的极光 */
.nebula{
  background:
    radial-gradient(58% 42% at 14% -6%, rgba(122,84,255,.5), transparent 72%),
    radial-gradient(52% 40% at 88% 6%, rgba(38,190,255,.4), transparent 72%),
    radial-gradient(62% 46% at 50% 104%, rgba(255,96,190,.24), transparent 74%),
    linear-gradient(180deg,#0a0c22 0%,#060814 48%,#03040a 100%);
  z-index:-3;
}
.nebula::before,
.nebula::after{
  content:"";
  position:absolute;
  border-radius:50%;
  filter:blur(68px);
  opacity:.85;
  will-change:transform;
}
.nebula::before{
  width:46vmax;height:46vmax;
  left:-10vmax;top:-8vmax;
  background:radial-gradient(circle at 40% 40%, rgba(130,80,255,.85), rgba(60,40,140,.25) 55%, transparent 70%);
  animation:aurora-a 28s ease-in-out infinite alternate;
}
.nebula::after{
  width:40vmax;height:40vmax;
  right:-8vmax;top:16vmax;
  background:radial-gradient(circle at 50% 50%, rgba(40,210,255,.7), rgba(20,90,160,.2) 55%, transparent 70%);
  animation:aurora-b 34s ease-in-out infinite alternate;
}
@keyframes aurora-a{
  0%{transform:translate3d(0,0,0) scale(1)}
  50%{transform:translate3d(6vw,4vh,0) scale(1.12)}
  100%{transform:translate3d(-3vw,9vh,0) scale(1.04)}
}
@keyframes aurora-b{
  0%{transform:translate3d(0,0,0) scale(1.05)}
  50%{transform:translate3d(-7vw,6vh,0) scale(.95)}
  100%{transform:translate3d(4vw,-5vh,0) scale(1.15)}
}

/* 像素网格：淡淡的方块底纹，强化 MC 质感 */
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(140,170,255,.075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,170,255,.075) 1px, transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(circle at 50% 26%, rgba(0,0,0,.95), transparent 78%);
  mask-image:radial-gradient(circle at 50% 26%, rgba(0,0,0,.95), transparent 78%);
  animation:grid-fade 14s ease-in-out infinite;
}
@keyframes grid-fade{
  0%,100%{opacity:.55}
  50%{opacity:.9}
}

/* ===== 导航 ===== */
.nav{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  background:linear-gradient(180deg,rgba(6,7,16,.9),rgba(6,7,16,.68));
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1100px;
  margin:0 auto;
  padding:10px 20px;
  display:flex;
  align-items:center;
  gap:12px;
}
.brand{
  display:flex;
  align-items:center;
  gap:11px;
  text-decoration:none;
  color:var(--text);
  font-family:var(--font-title);
  font-size:22px;
  letter-spacing:.08em;
}
.brand img{
  width:52px;
  height:52px;
  object-fit:cover;
  border-radius:50%;
  -webkit-clip-path:circle(50% at 50% 50%);
  clip-path:circle(50% at 50% 50%);
  filter:drop-shadow(0 0 12px rgba(150,120,255,.55)) saturate(115%) contrast(105%);
  transition:transform .25s;
}
.brand:hover img{transform:scale(1.06)}
.nav-links{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:4px;
}
.nav-links a{
  color:var(--muted);
  text-decoration:none;
  font-family:var(--font-title);
  font-size:19px;
  letter-spacing:.06em;
  padding:7px 16px;
  border-radius:999px;
  transition:color .2s, background .2s, transform .2s;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-links a.active{
  color:#fff;
  background:linear-gradient(135deg,rgba(95,227,255,.2),rgba(180,130,255,.2));
  border:1px solid var(--line-strong);
}

/* ===== 通用 ===== */
.wrap{
  max-width:1100px;
  margin:0 auto;
  padding:0 20px;
}
.section{padding:64px 0}
.section-title{
  font-family:var(--font-title);
  font-weight:400;
  font-size:clamp(24px,3.2vw,32px);
  letter-spacing:.02em;
  margin:0 0 8px;
}
.section-sub{color:var(--muted);font-size:14.5px;margin:0 0 34px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  letter-spacing:.18em;
  color:var(--cyan);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;height:1px;
  background:linear-gradient(90deg,var(--cyan),transparent);
}

/* ===== 首屏 ===== */
.hero{
  position:relative;
  padding:82px 20px 40px;
  text-align:center;
}
.hero::before{
  content:"";
  position:absolute;
  left:50%;
  top:2%;
  width:min(760px,92vw);
  height:520px;
  transform:translateX(-50%);
  pointer-events:none;
  background:
    radial-gradient(ellipse 42% 46% at 50% 40%, rgba(120,150,255,.35), transparent 70%),
    radial-gradient(ellipse 26% 30% at 36% 52%, rgba(255,110,220,.22), transparent 72%),
    radial-gradient(ellipse 26% 30% at 64% 52%, rgba(80,230,255,.26), transparent 72%);
  filter:blur(18px);
  animation:breathe 9s ease-in-out infinite;
  z-index:1;
}
@keyframes breathe{
  0%,100%{opacity:.75;transform:translateX(-50%) scale(.97)}
  50%{opacity:1;transform:translateX(-50%) scale(1.05)}
}
.hero-inner{max-width:820px;margin:0 auto;position:relative;z-index:2}
.hero-logo{
  width:clamp(168px,25vw,236px);
  height:auto;
  object-fit:cover;
  border-radius:50%;
  -webkit-clip-path:circle(46% at 50% 50%);
  clip-path:circle(46% at 50% 50%);
  filter:drop-shadow(0 0 46px rgba(150,120,255,.65)) saturate(112%);
  animation:float 6s ease-in-out infinite;
}
@keyframes float{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-10px)}
}
.hero h1{
  margin:26px 0 10px;
  font-family:var(--font-title);
  font-weight:400;
  font-size:clamp(34px,6.4vw,62px);
  line-height:1.25;
  letter-spacing:.04em;
  background:linear-gradient(100deg,#ffffff 10%,var(--cyan) 45%,var(--purple) 75%,var(--pink) 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  text-shadow:0 0 40px rgba(120,150,255,.25);
}
.hero p.lead{
  color:var(--muted);
  font-size:clamp(15px,2vw,18px);
  margin:0 auto 34px;
  max-width:560px;
}

/* 地址卡片 */
.address{
  display:inline-flex;
  flex-direction:column;
  gap:8px;
  align-items:center;
  padding:18px 26px;
  border-radius:16px;
  border:1px solid var(--line-strong);
  background:linear-gradient(160deg,rgba(30,32,66,.85),rgba(12,13,28,.9));
  box-shadow:var(--shadow),0 0 60px -30px rgba(95,227,255,.6);
}
.address .label{font-size:12px;letter-spacing:.16em;color:var(--muted);text-transform:uppercase}
.address .ip{
  font-family:var(--font-title);
  font-size:clamp(20px,3.4vw,27px);
  font-weight:400;
  letter-spacing:.06em;
  color:var(--cyan);
  user-select:all;
  text-shadow:0 0 22px rgba(95,227,255,.45);
}
.address .copy{
  margin-top:2px;
  font-family:var(--font-marker);
  font-size:15px;
  letter-spacing:.04em;
  color:var(--muted);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius:999px;
  padding:5px 16px;
  cursor:pointer;
  transition:.2s;
}
.address .copy:hover{color:#fff;border-color:var(--line-strong);background:rgba(255,255,255,.1)}
.address .copy.done{color:var(--green);border-color:rgba(126,240,160,.5)}

.hero-actions{
  display:flex;
  gap:12px;
  justify-content:center;
  flex-wrap:wrap;
  margin-top:30px;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  text-decoration:none;
  font-family:var(--font-marker);
  font-size:18px;
  font-weight:400;
  letter-spacing:.05em;
  padding:12px 28px;
  border-radius:999px;
  border:1px solid transparent;
  cursor:pointer;
  transition:.22s;
  font-family:inherit;
}
.btn.primary{
  color:#080b18;
  background:linear-gradient(120deg,var(--cyan),#8fd8ff 45%,var(--purple));
  box-shadow:0 10px 30px -10px rgba(95,227,255,.55);
}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px -12px rgba(160,140,255,.7)}
.btn.ghost{
  color:var(--text);
  background:rgba(255,255,255,.05);
  border-color:var(--line);
}
.btn.ghost:hover{background:rgba(255,255,255,.1);border-color:var(--line-strong)}

/* ===== 卡片 ===== */
.card{
  position:relative;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 24px;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  overflow:hidden;
  transition:transform .25s, border-color .25s, box-shadow .25s;
}
.card::before{
  content:"";
  position:absolute;
  inset:0 0 auto;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(150,200,255,.55),transparent);
  opacity:.6;
}
.card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:0 22px 46px -24px rgba(120,140,255,.65);
}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rules-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:18px;align-items:start}
.rules-col{display:flex;flex-direction:column;gap:18px}

.card h3{
  margin:0 0 14px;
  font-family:var(--font-marker);
  font-size:20px;
  font-weight:400;
  display:flex;
  align-items:center;
  gap:10px;
  letter-spacing:.04em;
}
.chip{
  width:30px;height:30px;
  flex:0 0 30px;
  display:grid;
  place-items:center;
  border-radius:9px;
  font-size:15px;
  background:linear-gradient(140deg,rgba(95,227,255,.22),rgba(180,130,255,.22));
  border:1px solid var(--line-strong);
}
.card ul{margin:0;padding:0;list-style:none}
.card li{
  display:flex;
  gap:10px;
  font-size:14.8px;
  color:#d6d9ec;
  padding:7px 0;
}
.card li .dot{
  color:var(--green);
  flex:0 0 auto;
  font-size:13px;
  line-height:1.75;
}
.card li .dot.pink{color:var(--pink)}
.card li .dot.cyan{color:var(--cyan)}

/* ===== 游玩公约 ===== */
.page-head{
  padding:70px 20px 8px;
  text-align:center;
}
.page-head h1{
  margin:10px 0 12px;
  font-family:var(--font-title);
  font-weight:400;
  font-size:clamp(30px,5vw,48px);
  letter-spacing:.04em;
  background:linear-gradient(100deg,#fff,var(--cyan) 55%,var(--purple));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.page-head p{color:var(--muted);font-size:15px;margin:0 auto;max-width:660px}

.notice{
  margin:34px auto 0;
  max-width:760px;
  display:flex;
  gap:14px;
  align-items:flex-start;
  padding:18px 22px;
  border-radius:14px;
  border:1px solid rgba(255,212,121,.35);
  background:linear-gradient(140deg,rgba(70,55,20,.5),rgba(30,24,12,.5));
  color:#ffe9b8;
  font-size:14.5px;
  backdrop-filter:blur(8px);
}
.notice strong{color:var(--yellow)}

.rule-number{
  font-family:ui-monospace,Menlo,Consolas,monospace;
  color:var(--cyan);
  font-size:12.5px;
  opacity:.85;
  flex:0 0 auto;
  min-width:26px;
}

/* ===== 联系表单 ===== */
.contact-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:22px;
  align-items:start;
}
.form{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.field{display:flex;flex-direction:column;gap:8px}
.field span{font-size:13px;letter-spacing:.08em;color:var(--muted)}
.field input,
.field textarea{
  width:100%;
  padding:13px 16px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(9,10,22,.8);
  color:var(--text);
  font-size:15px;
  font-family:inherit;
  outline:none;
  transition:border-color .2s, box-shadow .2s;
}
.field input:focus,
.field textarea:focus{
  border-color:rgba(95,227,255,.6);
  box-shadow:0 0 0 3px rgba(95,227,255,.12);
}
.field textarea{resize:vertical;min-height:150px;line-height:1.7}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}

.verify-box{
  padding:14px 16px;
  border-radius:12px;
  border:1px dashed var(--line);
  background:rgba(10,11,24,.55);
  font-size:13.5px;
  color:var(--muted);
}
.verify-box .vrow{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.verify-box input[type=checkbox]{
  width:17px;height:17px;accent-color:#5fe3ff;cursor:pointer;
}
.verify-box .calc{
  display:inline-flex;align-items:center;gap:8px;
}
.verify-box .calc input{
  width:66px;
  text-align:center;
  padding:7px 8px;
  border-radius:8px;
  border:1px solid var(--line);
  background:rgba(9,10,22,.9);
  color:var(--text);
  font-family:ui-monospace,Menlo,monospace;
  outline:none;
}
.form-msg{
  min-height:20px;
  font-size:14px;
  margin:0;
}
.form-msg.ok{color:var(--green)}
.form-msg.err{color:#ff8f8f}

.side-info li{
  display:flex;
  gap:10px;
  align-items:baseline;
  color:#d6d9ec;
  font-size:14.8px;
  padding:6px 0;
}
.side-info a{color:var(--cyan);text-decoration:none;border-bottom:1px dashed rgba(95,227,255,.4)}
.side-info a:hover{border-bottom-color:var(--cyan)}

/* ===== 页脚 ===== */
.footer{
  margin-top:70px;
  border-top:1px solid var(--line);
  padding:34px 20px 60px;
  text-align:center;
  color:var(--muted);
  font-size:13.5px;
  background:linear-gradient(180deg,transparent,rgba(3,4,10,.55));
}
.footer .mail{
  display:inline-block;
  color:var(--cyan);
  text-decoration:none;
  font-family:ui-monospace,Menlo,monospace;
  margin-bottom:10px;
}
.footer .tiny{opacity:.6;font-size:12.5px;margin-top:8px}

/* ===== 交互动效 ===== */

/* 鼠标准星：跟随鼠标的方块选框（MC 方块高亮 + 科技瞄准框） */
.cursor-node{
  position:fixed;
  left:0;
  top:0;
  width:46px;
  height:46px;
  margin:-23px 0 0 -23px;
  pointer-events:none;
  z-index:70;
  opacity:0;
  transition:opacity .25s ease, width .24s ease, height .24s ease, margin .24s ease;
  will-change:transform;
}
.cursor-node.on{opacity:1}
/* 外框：极细的实线，像方块的选区边界 */
.cursor-node .frame{
  position:absolute;
  inset:0;
  border:1px solid rgba(120,230,255,.36);
  box-shadow:inset 0 0 30px rgba(70,190,255,.10), 0 0 24px rgba(70,190,255,.10);
  transition:border-color .24s, box-shadow .24s;
}
/* 外圈：缓慢旋转的虚线扫描环 */
.cursor-node .scan{
  position:absolute;
  inset:-9px;
  border:1px dashed rgba(130,225,255,.30);
  border-radius:50%;
  animation:spin 9s linear infinite;
  transition:border-color .24s;
}
@keyframes spin{from{transform:rotate(0)}to{transform:rotate(360deg)}}
/* 四角括号 */
.cursor-node .bracket{
  position:absolute;
  width:14px;
  height:14px;
  border:0 solid rgba(165,245,255,.92);
  filter:drop-shadow(0 0 5px rgba(110,220,255,.75));
  transition:border-color .24s;
}
.cursor-node .bracket.tl{top:-1px;left:-1px;border-top-width:2px;border-left-width:2px}
.cursor-node .bracket.tr{top:-1px;right:-1px;border-top-width:2px;border-right-width:2px}
.cursor-node .bracket.bl{bottom:-1px;left:-1px;border-bottom-width:2px;border-left-width:2px}
.cursor-node .bracket.br{bottom:-1px;right:-1px;border-bottom-width:2px;border-right-width:2px}
/* 中心十字 */
.cursor-node .cross-h{
  position:absolute;
  left:50%;
  top:50%;
  width:18px;
  height:1px;
  margin:-.5px 0 0 -9px;
  background:rgba(205,250,255,.9);
  box-shadow:0 0 9px rgba(120,230,255,.95);
  transition:background .24s, width .24s, margin .24s;
}
.cursor-node .cross-v{
  position:absolute;
  left:50%;
  top:50%;
  width:1px;
  height:18px;
  margin:-9px 0 0 -.5px;
  background:rgba(205,250,255,.9);
  box-shadow:0 0 9px rgba(120,230,255,.95);
  transition:background .24s, height .24s, margin .24s;
}

/* 悬停在可交互元素上：框收小、整体转为紫色、扫描环加速 */
.cursor-node.hot{
  width:32px;
  height:32px;
  margin:-16px 0 0 -16px;
}
.cursor-node.hot .frame{border-color:rgba(200,155,255,.55);box-shadow:inset 0 0 30px rgba(175,130,255,.16), 0 0 26px rgba(175,130,255,.20)}
.cursor-node.hot .scan{border-color:rgba(210,170,255,.45);animation-duration:2.6s}
.cursor-node.hot .bracket{border-color:rgba(228,200,255,.95);filter:drop-shadow(0 0 7px rgba(190,150,255,.85))}
.cursor-node.hot .cross-h,.cursor-node.hot .cross-v{background:rgba(240,220,255,.95);box-shadow:0 0 10px rgba(200,160,255,.95)}
.cursor-node.hot .cross-h{width:8px;margin:-.5px 0 0 -4px}
.cursor-node.hot .cross-v{height:8px;margin:-4px 0 0 -.5px}

/* 点击时的冲击环 */
.click-ring{
  position:fixed;
  width:40px;
  height:40px;
  margin:-20px 0 0 -20px;
  border-radius:50%;
  border:1px solid rgba(150,240,255,.8);
  pointer-events:none;
  z-index:69;
  animation:click-ring .55s ease-out forwards;
}
@keyframes click-ring{
  from{transform:scale(.4);opacity:.9}
  to{transform:scale(2.6);opacity:0}
}

/* 滚动进场：默认可见；进入视口时才播放一次上浮淡入（JS 失效也绝不空白） */
.reveal{opacity:1;transform:none}
.reveal.in{animation:rise .8s cubic-bezier(.2,.8,.2,1) both}
.reveal.in.d1{animation-delay:.1s}
.reveal.in.d2{animation-delay:.2s}
.reveal.in.d3{animation-delay:.3s}
@keyframes rise{
  from{opacity:0;transform:translateY(24px)}
  to{opacity:1;transform:none}
}

/* 卡片悬停时掠过一道高光 */
.card::after{
  content:"";
  position:absolute;
  top:-10%;
  left:-70%;
  width:50%;
  height:120%;
  background:linear-gradient(100deg,transparent,rgba(170,210,255,.13),transparent);
  transform:skewX(-18deg);
  transition:left .65s cubic-bezier(.3,.7,.2,1);
  pointer-events:none;
}
.card:hover::after{left:130%}

/* 按钮按下 / 悬停反馈 */
.btn{position:relative;overflow:hidden}
.btn:active{transform:scale(.96)}
/* 联系页的「发送」按钮：更大一号 */
#sendBtn{font-family:var(--font-marker);font-size:22px;letter-spacing:.14em}
.btn.primary:hover{filter:brightness(1.06)}
.btn.ghost:active{transform:scale(.97)}
.copy:active{transform:scale(.95)}

/* 点击水波纹 */
.ripple{
  position:absolute;
  border-radius:50%;
  transform:scale(0);
  background:rgba(255,255,255,.45);
  pointer-events:none;
  animation:ripple .6s ease-out forwards;
}
@keyframes ripple{
  to{transform:scale(2.6);opacity:0}
}

/* 轻提示 */
.toast{
  position:fixed;
  left:50%;
  bottom:34px;
  z-index:80;
  padding:11px 22px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(14,15,32,.92);
  color:#fff;
  font-size:14px;
  box-shadow:0 14px 40px -16px rgba(0,0,0,.9),0 0 26px -10px rgba(95,227,255,.7);
  backdrop-filter:blur(12px);
  opacity:0;
  transform:translate(-50%,18px);
  animation:toast-in .35s ease forwards, toast-out .35s ease 1.75s forwards;
}
@keyframes toast-in{
  to{opacity:1;transform:translate(-50%,0)}
}
@keyframes toast-out{
  to{opacity:0;transform:translate(-50%,14px)}
}

/* 导航链接悬停时轻微上浮 */
.nav-links a:hover{transform:translateY(-1px)}

/* ===== 响应式 ===== */
@media (max-width:860px){
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .rules-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .nav-inner{padding:9px 12px;gap:6px}
  .nav-links{gap:2px}
  .nav-links a{padding:6px 9px;font-size:15px}
  .brand{font-size:17px;gap:8px}
  .brand img{width:42px;height:42px}
  .section{padding:48px 0}
}
@media (max-width:520px){
  .nav-inner{padding:8px 10px}
  .nav-links a{padding:5px 7px;font-size:14px}
  .brand{font-size:16px;gap:7px}
  .brand img{width:38px;height:38px}
  .address{padding:14px 18px}
}

/* 尊重系统「减少动态效果」设置 */
@media (prefers-reduced-motion:reduce){
  .stars,.stars::after,.nebula::before,.nebula::after,.hero-logo,body::after,
  .shooting span,.pointer-glow,.toast,.cursor-node,.click-ring{
    animation:none !important;
  }
  .reveal,.reveal.in{opacity:1 !important;transform:none !important;animation:none !important}
  .shooting{display:none}
}