/* ==========================================================================
   C4.MONSTER — 公共样式
   所有页面共享。改这里，全站生效。
   ========================================================================== */

:root{
  --bg:#07070F;
  --bg-2:#0B0B16;
  --surface:rgba(14,14,28,.72);
  --surface-solid:#0E0E1C;
  --line:#1E1E3A;
  --line-2:#2A2A4E;
  --text:#E8E8F5;
  --muted:#A2A2C4;
  --dim:#6E6E96;
  --neon:#B14CFF;
  --neon-soft:#C9A8FF;
  --neon-deep:#7A3ED6;
  --cyan:#22E1FF;
  --magenta:#FF2E88;
  --ok:#3BE8A0;
  --radius:12px;
  --mono:"Cascadia Mono",Consolas,"SFMono-Regular",Menlo,monospace;
  --sans:system-ui,-apple-system,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0}
body{
  background:var(--bg); color:var(--text); font-family:var(--sans);
  font-size:15px; line-height:1.75; -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.02em}

/* ---------- 背景层 ---------- */
.bg-grid{
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(96,96,170,.13) 1px,transparent 1px),
    linear-gradient(90deg,rgba(96,96,170,.13) 1px,transparent 1px);
  background-size:40px 40px;
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 0%,rgba(0,0,0,.35) 55%,transparent 85%);
  mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 0%,rgba(0,0,0,.35) 55%,transparent 85%);
}
.bg-glow{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.bg-glow::before,.bg-glow::after{content:"";position:absolute;border-radius:50%}
.bg-glow::before{width:820px;height:820px;top:-420px;left:50%;transform:translateX(-56%);
  background:radial-gradient(circle,rgba(177,76,255,.30) 0%,rgba(177,76,255,.07) 45%,transparent 70%)}
.bg-glow::after{width:700px;height:700px;top:180px;left:-320px;
  background:radial-gradient(circle,rgba(34,225,255,.16) 0%,transparent 68%)}

.progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:60;background:transparent}
.progress i{display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--cyan),var(--neon),var(--magenta));
  box-shadow:0 0 14px rgba(177,76,255,.9)}

.wrap{position:relative;z-index:1}
.container{max-width:1200px;margin:0 auto;padding:0 28px}

/* ---------- 导航 ---------- */
.nav{
  position:sticky; top:0; z-index:50;
  background:rgba(7,7,15,.72); backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{max-width:1200px;margin:0 auto;padding:16px 28px;display:flex;align-items:center;gap:32px}
.logo{font-weight:700;font-size:16px;letter-spacing:.06em;color:#fff;
  text-shadow:0 0 18px rgba(177,76,255,.85);white-space:nowrap}
.logo em{font-style:normal;color:var(--cyan)}
.nav-links{display:flex;gap:26px;list-style:none;margin:0 0 0 auto;padding:0}
.nav-links a{font-size:14px;color:var(--muted);transition:color .2s,text-shadow .2s}
.nav-links a:hover,.nav-links a.active{color:#fff;text-shadow:0 0 14px rgba(34,225,255,.7)}
.nav-cta{
  margin-left:auto; font-size:13.5px; padding:10px 20px; border-radius:9px;
  border:1px solid var(--neon-deep); color:var(--neon-soft);
  background:rgba(177,76,255,.1); transition:.22s; white-space:nowrap;
}
.nav-cta:hover{background:rgba(177,76,255,.22);box-shadow:0 0 26px -6px rgba(177,76,255,.9)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 26px;border-radius:10px;font-size:14.5px;
  transition:transform .22s, box-shadow .22s, background .22s;cursor:pointer;
}
.btn-primary{
  background:linear-gradient(180deg,#C56CFF,#9B34F0); color:#0A0A14; font-weight:700;
  box-shadow:inset 0 0 0 1px #D9A9FF, 0 0 36px -10px rgba(177,76,255,.95);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:inset 0 0 0 1px #EBD8FF,0 0 54px -6px rgba(177,76,255,1)}
.btn-ghost{
  border:1px solid var(--line-2); color:var(--neon-soft); background:rgba(177,76,255,.06);
}
.btn-ghost:hover{border-color:var(--neon-deep);background:rgba(177,76,255,.15);transform:translateY(-2px)}
.btn-sm{padding:9px 17px;font-size:13px;border-radius:8px}

/* ---------- 通用文字 ---------- */
.eyebrow{
  font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--cyan);text-shadow:0 0 14px rgba(34,225,255,.6);margin:0 0 18px;
}
.grad{
  background:linear-gradient(100deg,#fff 0%,#C9A8FF 46%,#22E1FF 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lead{font-size:16px;color:var(--muted);max-width:56ch;margin:0}
.sec{padding:104px 0}
.sec-head{margin-bottom:52px;max-width:64ch}
.sec-head h2{font-size:clamp(26px,3.4vw,38px);line-height:1.24;margin:0 0 16px}
.sec-head p{color:var(--muted);margin:0}
.sec-tag{
  display:flex;align-items:center;gap:14px;margin:0 0 20px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--dim);
}
.sec-tag::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--line-2),transparent)}

/* ---------- 内页头部 ---------- */
.page-head{padding:76px 0 60px;border-bottom:1px solid var(--line)}
.page-head h1{font-size:clamp(30px,4.4vw,50px);line-height:1.16;letter-spacing:-.032em;margin:0 0 20px}
.page-head p{color:var(--muted);font-size:16px;max-width:62ch;margin:0}

/* ---------- 状态灯 ---------- */
.dot{
  width:7px;height:7px;border-radius:50%;background:var(--ok);flex:none;
  box-shadow:0 0 10px var(--ok);
}

/* ---------- Hero ---------- */
.hero{padding:88px 0 96px}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:64px;align-items:center}
.hero h1{font-size:clamp(34px,5.2vw,58px);line-height:1.12;letter-spacing:-.032em;margin:0 0 26px}
.hero .lead{font-size:16.5px;margin-bottom:34px}
.actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 状态面板 ---------- */
.panel{
  background:var(--surface); border:1px solid var(--line-2); border-radius:14px;
  backdrop-filter:blur(10px); overflow:hidden;
  box-shadow:0 0 0 1px rgba(177,76,255,.14), 0 40px 90px -40px rgba(177,76,255,.7);
}
.panel-bar{
  display:flex;align-items:center;gap:7px;padding:12px 16px;
  border-bottom:1px solid var(--line); background:rgba(10,10,22,.7);
}
.panel-bar i{width:9px;height:9px;border-radius:50%;background:#2E2E55;display:block}
.panel-bar em{
  font-family:var(--mono);font-size:11.5px;font-style:normal;color:var(--cyan);
  margin-left:10px;letter-spacing:.06em;
}
.nodes{padding:8px 16px 4px}
.node{display:flex;align-items:center;gap:14px;padding:13px 0;border-bottom:1px solid rgba(42,42,78,.5)}
.node:last-child{border-bottom:none}
.node .nm{font-family:var(--mono);font-size:11.5px;color:var(--muted);letter-spacing:.06em;width:96px;flex:none}
.node .bar{flex:1;height:4px;border-radius:99px;background:rgba(42,42,78,.85);overflow:hidden}
.node .bar span{
  display:block;height:100%;border-radius:99px;
  background:linear-gradient(90deg,var(--neon),var(--cyan));
  box-shadow:0 0 12px rgba(177,76,255,.85);
  animation:wave 3.4s ease-in-out infinite;
}
.node:nth-child(2) .bar span{animation-duration:4.1s;animation-delay:-.6s}
.node:nth-child(3) .bar span{animation-duration:3.7s;animation-delay:-1.4s}
.node:nth-child(4) .bar span{animation-duration:4.6s;animation-delay:-2.1s}
@keyframes wave{0%{width:58%}35%{width:88%}65%{width:68%}100%{width:58%}}
.node .ms{font-family:var(--mono);font-size:11.5px;color:var(--cyan);width:46px;text-align:right;flex:none}
.panel-foot{
  padding:12px 16px;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:11px;color:var(--dim);background:rgba(10,10,22,.6);
}

/* ---------- 关于 ---------- */
.manifest{display:grid;grid-template-columns:1.02fr .98fr;gap:60px;align-items:start}
.manifest h2{font-size:clamp(26px,3.8vw,42px);line-height:1.22;letter-spacing:-.028em;margin:0}
.manifest-body p{color:var(--muted);font-size:15.5px;margin:0 0 22px}
.manifest-body p:last-child{margin-bottom:0}
.manifest-body strong{color:var(--text);font-weight:600}
.badge{
  display:inline-flex;align-items:center;gap:10px;margin:0 0 30px;
  font-family:var(--mono);font-size:12px;letter-spacing:.14em;
  color:var(--neon-soft);border:1px solid var(--neon-deep);border-radius:99px;
  padding:8px 17px;background:rgba(177,76,255,.08);
  box-shadow:0 0 26px -10px rgba(177,76,255,.9);
}
.badge i{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);flex:none}

/* ---------- 记录 / 时间线 ---------- */
.log-wrap{max-width:780px}
.timeline{list-style:none;margin:0;padding:0 0 0 26px;position:relative}
.timeline::before{content:"";position:absolute;left:4px;top:9px;bottom:9px;width:1px;
  background:linear-gradient(180deg,var(--neon),rgba(34,225,255,.35),transparent)}
.timeline li{position:relative;padding:0 0 34px 0}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-26px;top:8px;width:9px;height:9px;border-radius:50%;
  background:var(--bg);border:1px solid var(--neon);box-shadow:0 0 12px rgba(177,76,255,.9);
}
.timeline .date{font-family:var(--mono);font-size:11.5px;color:var(--cyan);letter-spacing:.1em;display:block;margin-bottom:7px}
.timeline h4{font-size:15.5px;font-weight:600;margin:0 0 6px}
.timeline p{font-size:13.5px;color:var(--muted);margin:0}
.log-note{
  margin-top:44px;padding-top:26px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--dim);max-width:60ch;
}

/* ---------- 卡片栅格 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{
  background:var(--surface); border:1px solid var(--line-2); border-radius:14px;
  padding:26px 24px; transition:transform .25s, border-color .25s, box-shadow .25s;
}
.card:hover{
  transform:translateY(-4px); border-color:var(--neon-deep);
  box-shadow:0 0 0 1px rgba(177,76,255,.35), 0 26px 60px -30px rgba(177,76,255,.95);
}
.card .k{
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--magenta);display:block;margin-bottom:16px;
}
.card h3{font-size:18px;margin:0 0 12px}
.card p{font-size:14px;color:var(--muted);margin:0}
.card .idx2{
  font-family:var(--mono);font-size:12px;color:var(--dim);
  display:block;margin-bottom:18px;letter-spacing:.1em;
}
.card .list{
  display:block;margin-top:20px;padding-top:16px;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:11.5px;color:var(--cyan);letter-spacing:.06em;opacity:.85;
}

/* ---------- 流程三步 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{background:var(--surface);border:1px solid var(--line-2);border-radius:14px;padding:30px 26px}
.step .idx{
  font-family:var(--mono);font-size:13px;color:var(--bg);font-weight:700;
  width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(180deg,#C56CFF,#9B34F0);box-shadow:0 0 26px -6px rgba(177,76,255,.95);
  margin-bottom:22px;
}
.step h3{font-size:17px;margin:0 0 10px}
.step p{font-size:14px;color:var(--muted);margin:0}

/* ---------- 订阅 ---------- */
.subscribe{
  border:1px solid var(--line-2); border-radius:18px; padding:56px 48px;
  background:linear-gradient(180deg,rgba(23,12,40,.92),rgba(10,10,22,.92));
  box-shadow:0 0 0 1px rgba(177,76,255,.16), 0 50px 110px -50px rgba(177,76,255,.95);
  position:relative; overflow:hidden;
}
.subscribe::after{
  content:"";position:absolute;width:520px;height:520px;right:-190px;top:-260px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,225,255,.20),transparent 66%);pointer-events:none;
}
.subscribe h2{font-size:clamp(24px,3vw,32px);margin:0 0 14px}
.subscribe > p{color:var(--muted);margin:0 0 30px;max-width:52ch}
.form{display:flex;gap:12px;max-width:520px;position:relative;z-index:1;flex-wrap:wrap}
.form input{
  flex:1;min-width:220px;font-family:var(--mono);font-size:13.5px;padding:15px 18px;
  background:rgba(7,7,15,.8); border:1px solid var(--line-2); border-radius:10px;
  color:var(--text); outline:none; transition:border-color .2s, box-shadow .2s;
}
.form input::placeholder{color:var(--dim)}
.form input:focus{border-color:var(--neon-deep);box-shadow:0 0 24px -6px rgba(177,76,255,.85)}
.form .btn{border:none}
.tiny{font-family:var(--mono);font-size:11.5px;color:var(--dim);margin:18px 0 0;position:relative;z-index:1}

/* ---------- 页脚 ---------- */
footer{border-top:1px solid var(--line);padding:60px 0 40px;margin-top:104px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.foot-brand .logo{font-size:15px;margin-bottom:14px;display:block}
.foot-brand p{font-size:13.5px;color:var(--muted);margin:0;max-width:32ch}
.foot-col h5{
  font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--dim);margin:0 0 18px;font-weight:400;
}
.foot-col ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.foot-col a{font-size:13.5px;color:var(--muted);transition:color .2s}
.foot-col a:hover{color:var(--cyan)}
.foot-bottom{
  margin-top:52px;padding-top:26px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-family:var(--mono);font-size:11.5px;color:var(--dim);
}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .node .bar span{animation:none;width:76%}
}

/* ---------- 响应式 ---------- */
@media (max-width:1000px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .manifest{grid-template-columns:1fr;gap:34px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:760px){
  .sec{padding:72px 0}
  .hero{padding:56px 0 72px}
  .page-head{padding:52px 0 40px}
  .container{padding:0 20px}
  .nav-inner{padding:14px 20px;gap:18px}
  .nav-links{display:none}
  .grid-4,.grid-3,.grid-2,.steps,.entries{grid-template-columns:1fr}
  .subscribe{padding:38px 26px}
  .foot-grid{grid-template-columns:1fr}
  footer{margin-top:72px}
}

/* ---------- 入口卡（首页） ---------- */
.entries{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.entry{
  display:block;background:var(--surface);border:1px solid var(--line-2);border-radius:14px;
  padding:28px 24px;
  transition:transform .25s, border-color .25s, box-shadow .25s;
}
.entry .no{
  font-family:var(--mono);font-size:11.5px;color:var(--dim);
  letter-spacing:.12em;display:block;margin-bottom:22px;
}
.entry h3{font-size:17px;margin:0 0 10px}
.entry p{font-size:13.5px;color:var(--muted);margin:0 0 22px}
.entry .go{font-family:var(--mono);font-size:12px;color:var(--cyan);letter-spacing:.06em}
.entry:hover{
  transform:translateY(-4px);border-color:var(--neon-deep);
  box-shadow:0 0 0 1px rgba(177,76,255,.35), 0 26px 60px -30px rgba(177,76,255,.95);
}
.entry:hover .go{text-shadow:0 0 14px rgba(34,225,255,.8)}

/* ---------- 空状态 ---------- */
.empty{
  border:1px dashed var(--line-2);border-radius:14px;padding:44px 38px;
  background:rgba(11,11,22,.45);max-width:820px;
}
.empty h3{font-size:18px;margin:0 0 14px}
.empty p{font-size:14.5px;color:var(--muted);margin:0 0 16px}
.empty p:last-child{margin-bottom:0}

/* ---------- 规格列表 ---------- */
.spec-list{list-style:none;margin:0;padding:0;max-width:820px}
.spec-list li{
  display:flex;gap:22px;align-items:baseline;
  padding:15px 0;border-bottom:1px solid var(--line);
}
.spec-list li:last-child{border-bottom:none}
.spec-list .k2{
  font-family:var(--mono);font-size:11.5px;color:var(--cyan);
  letter-spacing:.1em;width:120px;flex:none;
}
.spec-list .v2{font-size:14px;color:var(--muted)}

/* ---------- 首屏：现在在做 ---------- */
.now-meta{
  font-family:var(--mono);font-size:12px;color:var(--dim);
  letter-spacing:.06em;margin:0 0 30px;
}

/* ---------- 最近列表（面板内） ---------- */
.recent{list-style:none;margin:0;padding:6px 16px}
.recent li{
  display:flex;gap:14px;align-items:baseline;
  padding:13px 0;border-bottom:1px solid rgba(42,42,78,.5);
}
.recent li:last-child{border-bottom:none}
.recent .d{
  font-family:var(--mono);font-size:11.5px;color:var(--cyan);
  letter-spacing:.06em;width:44px;flex:none;
}
.recent .t{font-size:13.5px;color:var(--muted)}

/* ---------- 入口卡（带数量） ---------- */
.entry-top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:22px}
.entry .no{margin-bottom:0}
.entry .qty{font-family:var(--mono);font-size:12px;color:var(--cyan);letter-spacing:.06em}

/* ---------- 纯文本联系行 ---------- */
.mail{
  margin:30px 0 0;font-family:var(--mono);font-size:14px;
  color:var(--dim);letter-spacing:.04em;
}

/* ---------- 无修饰清单 ---------- */
.plain{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.plain li{position:relative;padding-left:18px;font-size:14.5px;color:var(--muted)}
.plain li::before{
  content:"";position:absolute;left:0;top:11px;
  width:8px;height:1px;background:var(--cyan);
}

/* ---------- 404：裸页，只带品牌视觉 ---------- */
.nf{
  position:relative;min-height:100vh;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;padding:0 24px;
}
.nf::before{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:min(560px,88vw);height:min(560px,88vw);
  border:1px solid var(--line);border-radius:34px;pointer-events:none;
}
.nf-rule{position:relative;display:flex;align-items:center;gap:8px;margin:0 0 34px}
.nf-rule i{display:block;height:3px;border-radius:99px}
.nf-rule i:nth-child(1){width:34px;background:var(--neon);opacity:.4}
.nf-rule i:nth-child(2){width:12px;background:var(--cyan)}
.nf-rule i:nth-child(3){width:58px;background:var(--neon);opacity:.75}
.nf h1{
  position:relative;font-size:clamp(86px,17vw,168px);line-height:.9;
  letter-spacing:-.05em;margin:0 0 32px;
  filter:
    drop-shadow(2px 0 0 rgba(34,225,255,.45))
    drop-shadow(-2px 0 0 rgba(255,46,136,.35))
    drop-shadow(0 0 60px rgba(177,76,255,.5));
}
.nf p{position:relative;font-size:16px;color:var(--muted);margin:0 0 46px}
.nf a{
  position:relative;font-family:var(--mono);font-size:12.5px;letter-spacing:.14em;
  padding:13px 28px;border:1px solid var(--line-2);border-radius:9px;
  color:var(--neon-soft);background:rgba(177,76,255,.06);transition:.22s;
}
.nf a:hover{
  border-color:var(--neon-deep);background:rgba(177,76,255,.16);
  box-shadow:0 0 32px -6px rgba(177,76,255,.9);
}
@keyframes nf-breathe{0%,100%{opacity:1}50%{opacity:.86}}
@media (prefers-reduced-motion:no-preference){
  .nf h1{animation:nf-breathe 5s ease-in-out infinite}
}

/* ==========================================================================
   景深与动态（追加层：同特异性后定义生效）
   四层由远及近：网格 → 光晕 → 扫描带 → 光标光斑，位移幅度依次加大
   ========================================================================== */

/* 第 1 层｜远景：网格持续漂移，随鼠标反向位移（最近 → 动得最少） */
.bg-grid{
  inset:-60px;
  transform:translate3d(calc(var(--mx,0) * -16px), calc(var(--my,0) * -16px), 0);
  animation:grid-drift 14s linear infinite;
  will-change:background-position, transform;
}
@keyframes grid-drift{
  from{background-position:0 0}
  to{background-position:40px 40px}
}

/* 第 2 层｜中景：两团光晕各自缓慢漂移，整层随鼠标同向位移 */
.bg-glow{
  transform:translate3d(calc(var(--mx,0) * 26px), calc(var(--my,0) * 26px), 0);
  will-change:transform;
}
.bg-glow::before{
  left:calc(50% - 460px);
  transform:none;
  animation:glow-a 26s ease-in-out infinite;
}
.bg-glow::after{
  left:-320px;
  animation:glow-b 32s ease-in-out infinite;
}
@keyframes glow-a{
  0%,100%{transform:translate3d(0,0,0) scale(1)}
  50%{transform:translate3d(46px,34px,0) scale(1.08)}
}
@keyframes glow-b{
  0%,100%{transform:translate3d(0,0,0) scale(1)}
  50%{transform:translate3d(-38px,-28px,0) scale(1.1)}
}

/* 第 3 层｜扫描光带：自上而下循环扫过 */
.bg-scan{
  position:fixed;left:0;right:0;top:0;height:200px;z-index:0;pointer-events:none;
  background:linear-gradient(to bottom,
    transparent 0%,
    rgba(34,225,255,.05) 42%,
    rgba(34,225,255,.11) 50%,
    rgba(34,225,255,.05) 58%,
    transparent 100%);
  animation:scan-sweep 9s linear infinite;
  opacity:.75;
}
@keyframes scan-sweep{
  from{transform:translate3d(0,-200px,0)}
  to{transform:translate3d(0,100vh,0)}
}

/* 第 4 层｜光标光斑：跟手，带迟滞（最近 → 动得最多） */
.bg-cursor{
  position:fixed;left:0;top:0;width:380px;height:380px;border-radius:50%;
  z-index:0;pointer-events:none;
  background:radial-gradient(circle,rgba(177,76,255,.13) 0%,rgba(177,76,255,.045) 32%,transparent 62%);
  transform:translate3d(calc(var(--cx,50vw) - 190px), calc(var(--cy,50vh) - 190px), 0);
  transition:transform .28s cubic-bezier(.2,.7,.3,1);
  will-change:transform;
}

/* 首屏内容依序入场 */
@keyframes hero-in{
  from{opacity:0;transform:translate3d(0,26px,0)}
  to{opacity:1;transform:none}
}
.hero .actions{animation:hero-in .8s cubic-bezier(.2,.7,.3,1) .14s both}
.hero .mail{animation:hero-in .8s cubic-bezier(.2,.7,.3,1) .26s both}
.hero .panel{animation:hero-in .9s cubic-bezier(.2,.7,.3,1) .2s both}

/* 主标题：色差辉光 + 入场 */
.hero h1{
  animation:hero-in .8s cubic-bezier(.2,.7,.3,1) both;
  filter:
    drop-shadow(1.6px 0 0 rgba(34,225,255,.42))
    drop-shadow(-1.6px 0 0 rgba(255,46,136,.32))
    drop-shadow(0 0 52px rgba(177,76,255,.45));
}

/* 面板：悬停抬升 */
.panel{transition:transform .35s, box-shadow .35s}
.panel:hover{
  transform:translate3d(0,-4px,0);
  box-shadow:0 0 0 1px rgba(177,76,255,.32), 0 52px 110px -40px rgba(177,76,255,.92);
}

/* ==========================================================================
   404：层次与动态（信号丢失现场）
   由远及近：网格 → 光晕 → 光标光斑 → 旋转光环 → 容器方框 → 数字 → 刻度
   ========================================================================== */

/* 容器方框：缓慢脉动 */
.nf::before{animation:nf-frame 7s ease-in-out infinite}
@keyframes nf-frame{
  0%,100%{transform:translate(-50%,-50%) scale(1);border-color:var(--line)}
  50%{transform:translate(-50%,-50%) scale(1.025);border-color:rgba(177,76,255,.34)}
}

/* 旋转光环：雷达扫描弧 */
.nf::after{
  content:"";position:absolute;left:50%;top:50%;
  width:min(780px,92vw);height:min(780px,92vw);border-radius:50%;
  background:conic-gradient(from 0deg,
    rgba(34,225,255,0) 0deg,
    rgba(34,225,255,.5) 26deg,
    rgba(177,76,255,.3) 58deg,
    rgba(34,225,255,0) 96deg,
    transparent 360deg);
  -webkit-mask-image:radial-gradient(closest-side,transparent 97.6%,#000 98.6%);
  mask-image:radial-gradient(closest-side,transparent 97.6%,#000 98.6%);
  animation:nf-spin 18s linear infinite;
  pointer-events:none;opacity:.8;
}
@keyframes nf-spin{
  from{transform:translate(-50%,-50%) rotate(0deg)}
  to{transform:translate(-50%,-50%) rotate(360deg)}
}

/* 数字：跟鼠标同向位移（最近层） */
.nf-num{
  position:relative;
  transform:translate3d(calc(var(--mx,0) * 16px), calc(var(--my,0) * 16px), 0);
  transition:transform .3s cubic-bezier(.2,.7,.3,1);
  animation:nf-fade .9s ease-out both;
}
@keyframes nf-fade{from{opacity:0}to{opacity:1}}

/* 数字：呼吸 + 偶发故障抖动 */
.nf h1{animation:nf-breathe 5s ease-in-out infinite, nf-glitch 8s steps(1,end) infinite}
@keyframes nf-glitch{
  0%,84%,100%{transform:translate3d(0,0,0) skewX(0deg)}
  85%{transform:translate3d(-4px,1px,0) skewX(-1.4deg)}
  87%{transform:translate3d(3px,-2px,0) skewX(.9deg)}
  89%{transform:translate3d(-1px,1px,0) skewX(0deg)}
  91%{transform:translate3d(4px,0,0) skewX(-.5deg)}
  93%{transform:translate3d(0,0,0)}
}

/* 刻度：反向位移（远景） + 不规则闪烁 */
.nf-rule{
  transform:translate3d(calc(var(--mx,0) * -12px), calc(var(--my,0) * -12px), 0);
  transition:transform .3s cubic-bezier(.2,.7,.3,1);
  animation:nf-fade .7s ease-out both;
}
@keyframes nf-blink{
  0%,100%{opacity:.3}
  42%{opacity:.95}
  58%{opacity:.5}
}
.nf-rule i:nth-child(1){animation:nf-blink 2.6s ease-in-out infinite}
.nf-rule i:nth-child(2){animation:nf-blink 1.9s ease-in-out infinite .35s}
.nf-rule i:nth-child(3){animation:nf-blink 2.2s ease-in-out infinite .7s}

/* 文案与按钮：依次浮现 */
.nf p{animation:nf-fade 1s ease-out .15s both}
.nf a{animation:nf-fade 1s ease-out .28s both}

@media (prefers-reduced-motion:reduce){
  .bg-grid,.bg-glow,.bg-glow::before,.bg-glow::after{animation:none;transform:none}
  .bg-scan,.bg-cursor{display:none}
  .hero h1,.hero .actions,.hero .mail,.hero .panel{animation:none}
  .nf::before,.nf h1,.nf-num,.nf-rule,.nf-rule i,.nf p,.nf a{animation:none}
  .nf::after{display:none}
  .nf-num,.nf-rule{transform:none;transition:none}
}

/* ==========================================================================
   项目规格表
   ========================================================================== */
.spec-table{
  border:1px solid var(--line-2);border-radius:14px;overflow:hidden;
  background:var(--surface);max-width:1100px;
}
.spec-head,.spec-row{display:grid;grid-template-columns:1.45fr 1.45fr .8fr}
.spec-head{background:rgba(10,10,22,.72);border-bottom:1px solid var(--line-2)}
.spec-head span{
  padding:15px 22px;font-family:var(--mono);font-size:11px;
  letter-spacing:.18em;color:var(--dim);
}
.spec-row{border-bottom:1px solid var(--line);transition:background .25s}
.spec-row:last-child{border-bottom:none}
.spec-row:hover{background:rgba(177,76,255,.07)}
.spec-row > span{
  padding:20px 22px;font-size:14px;color:var(--muted);
  display:flex;align-items:center;gap:9px;
}
.spec-row .p-name{color:var(--text);font-weight:600;font-size:14.5px}
.spec-row .p-stack{font-family:var(--mono);font-size:12.5px}
.spec-row .p-state{
  font-family:var(--mono);font-size:12px;letter-spacing:.06em;
}
.p-state::before{
  content:"";width:6px;height:6px;border-radius:50%;flex:none;
  background:currentColor;box-shadow:0 0 10px currentColor;
}
.p-state.run{color:var(--ok)}
.p-state.wip{color:var(--neon-soft)}
.p-state.ship{color:var(--cyan)}
.p-state.done{color:var(--dim)}

/* ==========================================================================
   融合实验：归档编号 + 复制邮箱
   ========================================================================== */

/* 归档抬头：标签行 + 标题 + 右侧统计 */
.archive-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:34px;flex-wrap:wrap;
}
.archive-tag{
  display:block;font-family:var(--mono);font-size:11.5px;
  letter-spacing:.2em;color:var(--dim);margin-bottom:16px;
}
.archive-head h2{
  font-size:clamp(26px,3.4vw,38px);line-height:1.2;
  letter-spacing:-.02em;margin:0;
}
.archive-meta{
  font-family:var(--mono);font-size:12px;color:var(--muted);
  letter-spacing:.06em;padding-bottom:6px;
}

/* 表头中英双标 */
.spec-head em{
  font-style:normal;margin-left:9px;
  letter-spacing:.16em;opacity:.42;
}

/* 页脚：整行居中 */
.foot-line{
  margin:0;display:flex;align-items:center;justify-content:center;
  gap:14px;flex-wrap:wrap;
  font-family:var(--mono);font-size:12px;color:var(--dim);letter-spacing:.08em;
}
.foot-line a{transition:color .2s}
.foot-line a:hover{color:var(--cyan)}
.foot-line .dot-sep{opacity:.4}

/* 方向卡：大编号 + 名称 + 一句话 */
.dir-card{
  background:var(--surface);border:1px solid var(--line-2);border-radius:14px;
  padding:30px 26px;
  transition:transform .25s, border-color .25s, box-shadow .25s;
}
.dir-card:hover{
  transform:translateY(-4px);border-color:var(--neon-deep);
  box-shadow:0 0 0 1px rgba(177,76,255,.35), 0 26px 60px -30px rgba(177,76,255,.95);
}
.dir-card .no{
  display:block;font-family:var(--mono);font-size:28px;line-height:1;
  letter-spacing:-.03em;color:var(--neon-soft);opacity:.65;margin-bottom:24px;
}
.dir-card h3{font-size:19px;margin:0 0 10px}
.dir-card p{font-size:13.5px;line-height:1.72;color:var(--muted);margin:0}

/* ==========================================================================
   自定义指针：立体霓虹箭头（SVG data URI，热区在箭尖 4,2）
   立体感分层：投影 → 厚度侧面 → 纯色基面 → 斜向渐变受光面 → 霓虹描边 → 内缘高光
   ========================================================================== */
body{
  cursor:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 32 32"><defs><linearGradient id="a" x1="0" y1="0" x2="0.78" y2="1"><stop offset="0" stop-color="%23C79BFF" stop-opacity="0.95"/><stop offset="0.42" stop-color="%237558D6" stop-opacity="0.6"/><stop offset="1" stop-color="%23221046" stop-opacity="0.2"/></linearGradient></defs><path d="M4 2L4 21L10 15.5L13.5 25L17 23.5L13.5 14L19.5 14Z" fill="%23000000" opacity="0.5" transform="translate(1.8,1.8)"/><path d="M4 2L4 21L10 15.5L13.5 25L17 23.5L13.5 14L19.5 14Z" fill="%23140E26" transform="translate(1.2,1.2)"/><path d="M4 2L4 21L10 15.5L13.5 25L17 23.5L13.5 14L19.5 14Z" fill="%232E1F5E"/><path d="M4 2L4 21L10 15.5L13.5 25L17 23.5L13.5 14L19.5 14Z" fill="url(%23a)"/><path d="M4 2L4 21L10 15.5L13.5 25L17 23.5L13.5 14L19.5 14Z" fill="none" stroke="%23B14CFF" stroke-width="1.5" stroke-linejoin="round"/><path d="M6 5.2L6 17.4L9.4 14.2" fill="none" stroke="%23E4D4FF" stroke-width="1.1" stroke-linecap="round" opacity="0.85"/><circle cx="9.6" cy="10.4" r="1.4" fill="%2322E1FF"/></svg>') 4 2, default;
}
a,button,.btn,.copy-btn,.entry,label,summary{
  cursor:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 32 32"><defs><linearGradient id="b" x1="0" y1="0" x2="0.78" y2="1"><stop offset="0" stop-color="%238FF0FF" stop-opacity="0.95"/><stop offset="0.42" stop-color="%232FA8CC" stop-opacity="0.6"/><stop offset="1" stop-color="%23041A26" stop-opacity="0.2"/></linearGradient></defs><path d="M4 2L4 21L10 15.5L13.5 25L17 23.5L13.5 14L19.5 14Z" fill="%23000000" opacity="0.5" transform="translate(1.8,1.8)"/><path d="M4 2L4 21L10 15.5L13.5 25L17 23.5L13.5 14L19.5 14Z" fill="%2306202E" transform="translate(1.2,1.2)"/><path d="M4 2L4 21L10 15.5L13.5 25L17 23.5L13.5 14L19.5 14Z" fill="%23123A52"/><path d="M4 2L4 21L10 15.5L13.5 25L17 23.5L13.5 14L19.5 14Z" fill="url(%23b)"/><path d="M4 2L4 21L10 15.5L13.5 25L17 23.5L13.5 14L19.5 14Z" fill="none" stroke="%2322E1FF" stroke-width="1.5" stroke-linejoin="round"/><path d="M6 5.2L6 17.4L9.4 14.2" fill="none" stroke="%23CFF6FF" stroke-width="1.1" stroke-linecap="round" opacity="0.9"/><circle cx="9.6" cy="10.4" r="1.4" fill="%23B14CFF"/></svg>') 4 2, pointer;
}

/* ==========================================================================
   收尾题记：一句，居中，靠留白撑住
   ========================================================================== */
.creed{
  max-width:960px;margin:0 auto;padding:8px 0 26px;text-align:center;
}
.creed::before{
  content:"";display:block;width:76px;height:1px;margin:0 auto 48px;
  background:linear-gradient(90deg,transparent,var(--neon-soft),transparent);
}
.creed blockquote{
  margin:0;
  font-size:clamp(21px,3.1vw,33px);line-height:1.6;letter-spacing:.01em;
  color:var(--text);
  text-shadow:0 0 48px rgba(177,76,255,.4);
}
@media (max-width:880px){
  .creed{padding:4px 0 18px}
  .creed::before{margin:0 auto 34px}
}

/* 归档抬头右侧的“全部”入口 */
a.archive-meta{transition:color .2s}
a.archive-meta:hover{color:var(--cyan)}

/* 表格加编号列 */
.spec-head,.spec-row{grid-template-columns:.42fr 1.5fr 1.45fr .8fr}
.spec-row .p-no{
  font-family:var(--mono);font-size:12px;
  color:var(--neon-soft);letter-spacing:.06em;
}

/* 域名下的领域标记 */
.domains{
  margin:34px 0 0;font-family:var(--mono);font-size:12.5px;
  letter-spacing:.1em;color:var(--muted);
}
.domains b{font-weight:400;color:var(--dim);margin:0 8px}

@media (max-width:880px){
  .spec-head,.spec-row{grid-template-columns:1fr}
}

@media (max-width:880px){
  .spec-head{display:none}
  .spec-row{grid-template-columns:1fr}
  .spec-row > span{padding:4px 20px}
  .spec-row > span:first-child{padding-top:20px}
  .spec-row > span:last-child{padding-bottom:20px}
}