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

:root{
  --bg:#0d0d0d;
  --vi:#8000ff;
  --mg:#ff00ff;
  --txt:#ece7f7;
  --dim:#b2a7c9;
  --faint:#8d82a6;
  --line:rgba(128,0,255,.34);
  --line2:rgba(255,0,255,.3);
  --mono:ui-monospace,SFMono-Regular,"DejaVu Sans Mono",Menlo,Consolas,monospace;
  --serif:"Newsreader",Georgia,"Songti SC","Times New Roman",serif;
  --sans:"Roboto","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
}

*{box-sizing:border-box}

html{
  font-size:17px;
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:var(--sans);
  font-size:1rem;
  line-height:1.75;
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:9000;
  pointer-events:none;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.05) 0 1px,transparent 1px 4px);
  opacity:.55;
  mix-blend-mode:screen;
}

a{color:inherit;text-decoration:none}

img{max-width:100%;height:auto;display:block}

::selection{background:var(--mg);color:#0d0d0d}

/* 顶部细条 */
.ticker{
  background:linear-gradient(90deg,var(--vi),var(--mg) 70%,#ff4dff);
  color:#0d0d0d;
  font-family:var(--mono);
  font-size:.95rem;
  letter-spacing:.14em;
  overflow:hidden;
  border-bottom:1px solid var(--mg);
}
.ticker-track{
  display:flex;
  gap:3rem;
  width:max-content;
  padding:.3rem 1rem;
  white-space:nowrap;
  animation:slide 28s linear infinite;
}
@keyframes slide{
  from{transform:translateX(0)}
  to{transform:translateX(-50%)}
}

/* 头部 */
.site-head{
  position:sticky;
  top:0;
  z-index:70;
  background:rgba(13,13,13,.95);
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.idrow{
  display:flex;
  align-items:center;
  padding:.65rem clamp(1rem,4vw,2.5rem);
  border-bottom:1px dashed rgba(255,0,255,.22);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:.65rem;
  min-height:44px;
  font-family:var(--serif);
  font-size:1.4rem;
  letter-spacing:.06em;
  color:#fff;
  text-shadow:0 0 14px rgba(255,0,255,.65);
}
.brand .mark{
  width:36px;
  height:36px;
  flex:0 0 auto;
  border:1px solid var(--mg);
  object-fit:cover;
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
  display:block;
}
.pillbar{
  display:flex;
  gap:.5rem;
  padding:.55rem clamp(1rem,4vw,2.5rem);
  overflow-x:auto;
  scrollbar-width:none;
}
.pillbar::-webkit-scrollbar{display:none}
.pill{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  min-height:42px;
  padding:.3rem .95rem;
  font-family:var(--mono);
  font-size:.95rem;
  letter-spacing:.03em;
  color:#d6cbec;
  border:1px solid var(--line);
  background:rgba(128,0,255,.08);
  clip-path:polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px);
  transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.pill:hover,.pill:focus-visible,.pill.is-on{
  color:#fff;
  background:rgba(255,0,255,.2);
  box-shadow:inset 0 0 0 1px var(--mg),0 0 16px rgba(255,0,255,.35);
  transform:translateY(-1px);
  outline:none;
}

/* 主区 */
main{display:block}

.hero{
  position:relative;
  max-width:1240px;
  margin:0 auto;
  min-height:45vh;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:1.5rem;
  text-align:center;
  padding:clamp(2.2rem,6vw,3.6rem) clamp(1rem,4vw,2.5rem) clamp(3.2rem,8vw,5rem);
  clip-path:polygon(0 0,100% 0,100% 93%,0 100%);
  background:
    radial-gradient(circle at 78% 8%,rgba(255,0,255,.16),transparent 55%),
    radial-gradient(circle at 12% 92%,rgba(128,0,255,.22),transparent 58%);
}
.hero::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--mg),transparent);
}
.hero-copy{display:flex;flex-direction:column;align-items:center;gap:1rem}
.hero h1{
  margin:0;
  font-family:var(--serif);
  font-weight:600;
  font-size:clamp(1.9rem,6.4vw,3.5rem);
  line-height:1.18;
  letter-spacing:.01em;
  color:#fff;
  text-shadow:0 0 20px rgba(255,0,255,.55);
  animation:glitch 7s steps(1) infinite;
}
@keyframes glitch{
  0%,90%,100%{transform:none}
  91%{transform:skewX(-4deg) translateX(-2px);text-shadow:-3px 0 var(--mg),3px 0 var(--vi)}
  94%{transform:skewX(3deg) translateX(2px);text-shadow:3px 0 var(--mg),-3px 0 var(--vi)}
  97%{transform:none}
}
.lede{
  margin:0;
  max-width:46ch;
  color:var(--dim);
  font-size:1.02rem;
  line-height:1.8;
}
.hero-art{
  position:relative;
  margin:0;
  width:100%;
  max-width:820px;
  min-height:110px;
  border:1px solid var(--line2);
  background:linear-gradient(120deg,rgba(128,0,255,.16),rgba(255,0,255,.1));
  clip-path:polygon(0 0,100% 0,100% calc(100% - 16px),calc(100% - 16px) 100%,0 100%);
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
}
.hero-art .hero-img{width:100%;height:auto;object-fit:cover}
.hud-corner{
  position:absolute;
  top:.5rem;
  left:.5rem;
  width:16px;
  height:16px;
  border-left:2px solid var(--mg);
  border-top:2px solid var(--mg);
}
.slash{
  position:absolute;
  right:-10%;
  bottom:-30px;
  width:70%;
  height:64px;
  background:linear-gradient(90deg,rgba(255,0,255,.28),rgba(128,0,255,0));
  transform:skewY(-2.4deg);
  pointer-events:none;
}

/* 内容 + 侧栏 */
.bench{
  max-width:1240px;
  margin:0 auto;
  display:grid;
  grid-template-columns:minmax(0,1fr) 18rem;
  gap:clamp(1.5rem,4vw,3rem);
  padding:0 clamp(1rem,4vw,2.5rem) clamp(3rem,7vw,4.5rem);
  align-items:start;
}
.stream{min-width:0}

.stream section{
  position:relative;
  padding:clamp(1.5rem,4vw,2.4rem) 0;
  border-top:1px solid rgba(128,0,255,.2);
  scroll-margin-top:10rem;
}
.stream section:first-child{border-top:0;padding-top:0}
.stream section::before{
  content:"";
  position:absolute;
  top:-1px;
  left:0;
  width:64px;
  height:2px;
  background:var(--mg);
}
.stream section:first-child::before{display:none}

.stream h2{
  margin:0 0 .2rem;
  font-family:var(--serif);
  font-weight:600;
  font-size:clamp(1.45rem,3.4vw,2rem);
  line-height:1.3;
  color:#fff;
  letter-spacing:.02em;
}
.stream h3{
  margin:1.6rem 0 .5rem;
  font-family:var(--mono);
  font-size:1.02rem;
  font-weight:500;
  letter-spacing:.06em;
  color:var(--mg);
  text-transform:none;
}
.stream p{margin:0 0 1rem;max-width:66ch}
.stream ul,.stream ol{margin:0 0 1.2rem;padding-left:1.3rem;max-width:66ch}
.stream li{margin-bottom:.45rem}
.stream li::marker{color:var(--mg)}
.stream strong{color:#fff;font-weight:600;text-shadow:0 0 10px rgba(255,0,255,.4)}
.stream a{
  color:#f0d4ff;
  border-bottom:1px solid rgba(255,0,255,.5);
  padding-bottom:1px;
}
.stream a:hover{background:rgba(255,0,255,.18);color:#fff}
.stream figure{margin:1.2rem 0;padding:0}
.stream figure img{border:1px solid var(--line)}
.stream blockquote{
  margin:1.2rem 0;
  padding:.7rem 1rem;
  border-left:2px solid var(--mg);
  background:rgba(128,0,255,.1);
  color:var(--dim);
}

hr{
  border:0;
  height:2px;
  margin:.85rem 0 1.3rem;
  background:linear-gradient(90deg,var(--mg),var(--vi) 45%,rgba(128,0,255,0));
}

/* 侧栏 */
.rail{
  position:sticky;
  top:10rem;
  padding-left:1.1rem;
  border-left:1px solid var(--line);
  font-family:var(--mono);
  font-size:.95rem;
}
.rail h2{
  margin:0 0 .2rem;
  font-family:var(--serif);
  font-weight:600;
  font-size:1.15rem;
  color:#fff;
  letter-spacing:.05em;
}
.rail hr{height:1px;margin:.7rem 0 1rem;background:linear-gradient(90deg,var(--vi),transparent)}
.rail ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.rail a{
  display:flex;
  align-items:center;
  min-height:42px;
  padding:.25rem .2rem;
  color:#c3b7dc;
  border-bottom:1px dashed rgba(255,0,255,.16);
  transition:color .18s ease,padding-left .18s ease,background .18s ease;
}
.rail a:hover,.rail a:focus-visible{
  color:#fff;
  padding-left:.55rem;
  background:rgba(255,0,255,.1);
  outline:none;
}

/* 页脚 */
.site-foot{
  margin-top:1.5rem;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(128,0,255,.14),transparent 70%);
}
.f-row{
  max-width:1240px;
  margin:0 auto;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:clamp(1rem,4vw,2.5rem);
  padding:clamp(1.6rem,4vw,2.4rem) clamp(1rem,4vw,2.5rem) 1.4rem;
}
.f-brand{
  font-family:var(--serif);
  font-size:clamp(2rem,6.5vw,3.6rem);
  line-height:.95;
  letter-spacing:-.01em;
  color:transparent;
  -webkit-text-stroke:1px rgba(255,0,255,.8);
  white-space:nowrap;
  text-shadow:0 0 24px rgba(255,0,255,.25);
}
.f-nav dl{
  display:grid;
  grid-template-columns:auto auto;
  gap:.15rem 1.5rem;
  margin:0;
  font-family:var(--mono);
  font-size:.95rem;
}
.f-nav dt{margin:0}
.f-nav dd{
  margin:0 0 .3rem;
  font-size:.95rem;
  color:var(--faint);
}
.f-nav a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  color:#d3c8ea;
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.f-nav a:hover,.f-nav a:focus-visible{color:#fff;border-bottom-color:var(--mg);outline:none}
.f-meta{
  font-family:var(--mono);
  font-size:.95rem;
  color:var(--faint);
  text-align:right;
}
.f-meta .copy{margin:0 0 .4rem}
.f-meta .top{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:0 .7rem;
  color:#e6d9ff;
  border:1px solid var(--line2);
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
}
.f-meta .top:hover{background:rgba(255,0,255,.18);color:#fff}

/* 断点 */
@media (max-width:960px){
  .bench{grid-template-columns:minmax(0,1fr)}
  .rail{
    position:static;
    border-left:0;
    border-top:1px solid var(--line);
    padding:.2rem 0 0;
  }
  .rail ul{flex-direction:row;flex-wrap:wrap;gap:.2rem .5rem}
  .rail a{border-bottom:0;padding:.2rem .6rem;border:1px solid var(--line)}
  .rail hr{background:linear-gradient(90deg,var(--vi),transparent)}
}

@media (max-width:760px){
  .f-row{flex-direction:column;align-items:flex-start}
  .f-meta{text-align:left}
  .f-brand{font-size:clamp(1.9rem,10vw,2.8rem)}
  .hero{min-height:auto;padding-top:1.8rem}
  .stream section{scroll-margin-top:9rem}
  .slash{display:none}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .ticker-track,.hero h1{animation:none}
  .pill,.rail a,.f-nav a,.f-meta .top{transition:none}
}

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