@import url('https://fonts.googleapis.com/css2?family=Exo+2:wght@300;400;500;600;700&family=Orbitron:wght@400;500;600;700&display=swap');

*,*::before,*::after{box-sizing:border-box}

:root{
  --neon:#80ff00;
  --neon2:#00ff00;
  --ink:#1f2617;
  --bg:#0d1109;
  --txt:#eaffd8;
  --dim:#a9c196;
  --line:rgba(128,255,0,.34);
  --glass:rgba(31,38,23,.55);
  --r:28px;
}

html{
  scroll-behavior:smooth;
  scroll-padding-bottom:130px;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  padding:0 0 120px;
  min-height:100vh;
  overflow-x:hidden;
  color:var(--txt);
  font-family:'Exo 2',"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.72;
  background:
    radial-gradient(62vw 42vw at 92% -6%,rgba(128,255,0,.24),transparent 70%),
    radial-gradient(52vw 40vw at -12% 34%,rgba(0,255,0,.15),transparent 72%),
    radial-gradient(40vw 30vw at 60% 104%,rgba(128,255,0,.12),transparent 70%),
    var(--bg);
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.5;
  mix-blend-mode:screen;
  background:repeating-linear-gradient(180deg,rgba(128,255,0,.09) 0 1px,transparent 1px 4px);
}

.top,.tape,.hero,main,footer,footer div,.card,.paper{position:relative}
.top,.tape,.hero,main,footer{z-index:1}

h1,h2,h3,p,ol,ul{margin:0}
img{display:block;max-width:100%;height:auto}

/* 顶栏 */
.top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:12px 14px;
  border-bottom:2px dashed var(--line);
}

.brandmark{
  font-family:'Orbitron',"PingFang SC",system-ui,sans-serif;
  font-weight:800;
  font-size:15px;
  letter-spacing:.08em;
  color:var(--neon);
  transform:rotate(-2deg);
  text-shadow:2px 2px 0 rgba(0,0,0,.5);
  padding-left:2px;
  white-space:nowrap;
}

.finder{
  display:flex;
  align-items:center;
  gap:6px;
  padding:4px 5px 4px 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--glass);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}

.finder input{
  width:clamp(70px,30vw,168px);
  min-height:38px;
  border:0;
  background:transparent;
  color:var(--txt);
  font:inherit;
  font-size:16px;
  outline:none;
}

.finder input::placeholder{color:#93ab80}

.finder button{
  min-height:38px;
  padding:0 15px;
  border:0;
  border-radius:999px;
  background:var(--neon);
  color:var(--ink);
  font:inherit;
  font-size:16px;
  font-weight:800;
  cursor:pointer;
}

.finder button:hover{background:var(--neon2)}
.finder.no{animation:shake .32s ease}

/* 跑马灯 */
.tape{
  overflow:hidden;
  padding:5px 0;
  border-bottom:1px solid var(--line);
  background:linear-gradient(90deg,rgba(128,255,0,.18),rgba(0,255,0,.04));
}

.tape-track{
  display:flex;
  align-items:center;
  gap:14px;
  width:max-content;
  font-family:'Orbitron',"PingFang SC",system-ui,sans-serif;
  font-weight:700;
  font-size:13px;
  letter-spacing:.22em;
  color:var(--neon);
  animation:slide 20s linear infinite;
}

.tape-track b{color:var(--neon2)}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* 首屏 */
.hero{
  position:relative;
  overflow:hidden;
  min-height:45vh;
  display:grid;
  align-content:start;
  gap:14px;
  padding:20px 16px 24px;
}

.hero-num{
  position:absolute;
  top:-6px;
  right:2px;
  z-index:1;
  font-family:'Orbitron',sans-serif;
  font-weight:700;
  line-height:.9;
  font-size:clamp(74px,23vw,186px);
  color:transparent;
  -webkit-text-stroke:1px rgba(128,255,0,.5);
  pointer-events:none;
  animation:jitter 7s ease-in-out infinite;
}

.hero-txt{position:relative;z-index:2}

.hero h1{
  font-size:clamp(1.9rem,7.4vw,3.5rem);
  line-height:1.06;
  font-weight:800;
  letter-spacing:-.015em;
  margin-bottom:10px;
  text-shadow:2px 3px 0 rgba(128,255,0,.28);
}

.hero-sub{
  max-width:48ch;
  margin-bottom:16px;
  color:#d3ecc0;
  font-size:16px;
}

.cta{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 22px;
  border-radius:999px;
  background:var(--neon);
  color:var(--ink);
  font-weight:800;
  font-size:16px;
  text-decoration:none;
  transform:rotate(-2deg);
  box-shadow:4px 4px 0 rgba(0,255,0,.4);
  transition:transform .18s ease,box-shadow .18s ease;
}

.cta:hover{transform:rotate(-2deg) translate(-2px,-3px);box-shadow:7px 8px 0 rgba(0,255,0,.45)}

.hero-media img{
  width:100%;
  height:clamp(118px,23vh,238px);
  object-fit:cover;
  border-radius:var(--r);
  border:1px solid var(--line);
  filter:saturate(1.5) contrast(1.06);
}

.hero-blank{
  height:clamp(118px,23vh,238px);
  border-radius:var(--r);
  border:1px solid var(--line);
  background:repeating-linear-gradient(45deg,rgba(128,255,0,.16) 0 10px,transparent 10px 21px);
}

/* 主体 */
main{
  display:grid;
  grid-template-columns:224px minmax(0,1fr);
  gap:16px;
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:16px 16px 36px;
}

aside{
  display:grid;
  gap:14px;
  align-content:start;
}

.card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:14px 12px 16px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transform:rotate(-1.4deg);
  transition:transform .2s ease;
}

.card:hover{transform:rotate(0)}

h2>span,h3>span{
  display:inline-block;
  padding-bottom:2px;
  border-bottom:2px solid var(--neon);
}

aside h2{
  font-size:15px;
  letter-spacing:.06em;
  margin-bottom:10px;
}

aside ol{list-style:none;padding:0;display:grid;gap:2px}

aside a{
  display:flex;
  align-items:center;
  min-height:41px;
  padding:0 8px;
  border-left:3px solid transparent;
  border-radius:0 12px 12px 0;
  color:var(--txt);
  font-size:15px;
  text-decoration:none;
  transition:background .16s ease,color .16s ease;
}

aside a:hover,aside a:focus-visible{
  background:rgba(128,255,0,.14);
  border-left-color:var(--neon);
  color:var(--neon);
}

.up-mini{
  margin-top:8px;
  justify-content:center;
  border:1px dashed var(--line);
  border-radius:999px;
  color:var(--neon);
}

/* 正文纸片 */
.paper{
  background:rgba(31,38,23,.52);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:20px 18px 30px;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:0 26px 60px -34px rgba(128,255,0,.65);
  overflow:hidden;
}

.paper > div{
  padding:24px 0 8px;
  border-top:1px dashed rgba(128,255,0,.3);
  scroll-margin-top:20px;
}

.paper > div:first-child{border-top:0;padding-top:2px}

.paper h2{
  font-size:clamp(1.24rem,4vw,1.72rem);
  line-height:1.26;
  margin-bottom:12px;
  letter-spacing:-.01em;
}

.paper h3{font-size:1.08rem;line-height:1.35;margin:18px 0 8px}

.paper p{margin-bottom:14px}
.paper ul,.paper ol{margin:0 0 16px;padding-left:1.3em}
.paper li{margin-bottom:6px}
.paper a{color:var(--neon2);text-underline-offset:3px}
.paper a:hover{background:rgba(0,255,0,.14)}
.paper img{margin:14px 0;border-radius:20px;border:1px solid var(--line)}
.paper strong{color:var(--neon)}

.paper blockquote{
  margin:16px 0;
  padding:12px 16px;
  border-left:4px solid var(--neon);
  border-radius:0 18px 18px 0;
  background:rgba(128,255,0,.09);
}

.paper hr{border:0;border-top:1px dashed var(--line);margin:20px 0}
.paper table{width:100%;border-collapse:collapse;font-size:16px}
.paper th,.paper td{border:1px solid var(--line);padding:8px 10px;text-align:left}
.paper code{font-family:ui-monospace,monospace;font-size:15px}

/* 页脚 */
footer.base{
  display:grid;
  gap:18px;
  grid-template-columns:1.5fr 1fr 1fr;
  width:calc(100% - 32px);
  max-width:1180px;
  margin:0 auto 34px;
  padding:20px 18px 16px;
  border:1px solid var(--line);
  border-radius:var(--r);
  background:rgba(31,38,23,.6);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}

footer.base h2{font-size:15px;letter-spacing:.06em;margin-bottom:12px}

.ft-word{
  font-family:'Orbitron',"PingFang SC",system-ui,sans-serif;
  font-weight:800;
  font-size:clamp(1.5rem,6vw,2.4rem);
  line-height:1.05;
  color:var(--neon);
  margin-bottom:14px;
  word-break:break-word;
}

.btn-big{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 20px;
  border-radius:999px;
  background:var(--neon);
  color:var(--ink);
  font-weight:800;
  text-decoration:none;
  transform:rotate(-2deg);
}

.btn-big:hover{background:var(--neon2)}

.ft-map ol{list-style:none;padding:0;display:grid;gap:2px}
.ft-map a{
  display:flex;
  align-items:center;
  min-height:41px;
  color:var(--txt);
  font-size:15px;
  text-decoration:none;
  border-bottom:1px solid rgba(128,255,0,.12);
}
.ft-map a:hover{color:var(--neon)}

.up{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:58px;
  height:58px;
  border:2px solid var(--neon);
  border-radius:50%;
  color:var(--neon);
  font-size:22px;
  text-decoration:none;
  transition:transform .18s ease,background .18s ease;
}
.up:hover{background:rgba(128,255,0,.16);transform:translateY(-3px)}

.copy{
  grid-column:1/-1;
  padding-top:12px;
  border-top:1px dashed var(--line);
  text-align:center;
  font-size:14px;
  color:var(--dim);
}

/* 底部固定条 */
.dock{
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:100;
  padding:6px 8px calc(6px + env(safe-area-inset-bottom));
  border-top:1px solid var(--line);
  background:rgba(13,17,9,.88);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}

.dock ol{
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:2px;
  max-width:1180px;
  margin:0 auto;
  padding:0;
}

.dock a{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:7px;
  min-height:44px;
  padding:0 10px;
  border-radius:999px;
  color:var(--txt);
  font-size:15px;
  text-decoration:none;
  transition:background .16s ease,color .16s ease;
}

.dock a::before{
  content:"";
  flex:none;
  width:6px;
  height:6px;
  background:var(--neon);
  border-radius:1px;
  transform:rotate(45deg);
}

.dock a:hover,.dock a:focus-visible{background:rgba(128,255,0,.16);color:var(--neon)}

.dock-brand a{
  padding:0 15px;
  background:var(--neon);
  color:var(--ink);
  font-family:'Orbitron',"PingFang SC",system-ui,sans-serif;
  font-weight:800;
  letter-spacing:.04em;
  transform:rotate(-2deg);
}
.dock-brand a::before{display:none}
.dock-brand a:hover,.dock-brand a:focus-visible{background:var(--neon2);color:var(--ink)}

@keyframes jitter{
  0%,100%{transform:translate(0,0) rotate(0)}
  25%{transform:translate(-3px,2px) rotate(-1.2deg)}
  50%{transform:translate(2px,-2px) rotate(1deg)}
  75%{transform:translate(-1px,-3px) rotate(-.6deg)}
}

@keyframes shake{
  0%,100%{transform:translateX(0)}
  25%{transform:translateX(-5px)}
  50%{transform:translateX(5px)}
  75%{transform:translateX(-3px)}
}

/* 移动端 */
@media (max-width:860px){
  body{padding-bottom:132px}
  main{grid-template-columns:minmax(0,1fr);gap:14px;padding:12px 14px 30px}
  aside{order:2}
  .card{transform:rotate(-.8deg)}
  footer.base{grid-template-columns:minmax(0,1fr);gap:16px}
  .dock ol{display:grid;grid-template-columns:repeat(4,1fr);gap:2px}
  .dock a{font-size:14px;padding:0 6px}
  .dock a::before{width:5px;height:5px}
  .hero{padding:16px 14px 20px;min-height:44vh}
  .paper{padding:16px 14px 24px}
}

@media (max-width:420px){
  body{font-size:16px}
  .brandmark{font-size:13px;letter-spacing:.04em}
  .finder input{width:clamp(60px,26vw,110px)}
  .hero-num{font-size:70px;right:-4px}
  .copy{font-size:13px}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

button[aria-expanded]{min-width:44px;min-height:44px}