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

:root{
  --p:#6514ff;
  --p2:#bf00ff;
  --ink:#1c1726;
  --bg:#0d0914;
  --fg:#f2ecff;
  --mut:#b4a7ce;
  --glass:rgba(255,255,255,.055);
  --line:rgba(191,0,255,.26);
  --disp:"Anton","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --sans:"Epilogue","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --r:28px;
  --gut:clamp(18px,4vw,46px);
  --bar:calc(128px + env(safe-area-inset-bottom));
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg);-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding-bottom:var(--bar);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.7;
  color:var(--fg);
  overflow-x:hidden;
  background:
    radial-gradient(820px 560px at 94% -8%,rgba(101,20,255,.58),transparent 62%),
    radial-gradient(700px 520px at 0% 16%,rgba(191,0,255,.34),transparent 64%),
    linear-gradient(180deg,#0d0914 0%,#150e22 46%,#0d0914 100%);
  background-attachment:fixed;
}
body::before{
  content:"";
  position:fixed;
  inset:-25%;
  z-index:0;
  pointer-events:none;
  opacity:.14;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.75) 0 1px,transparent 1px 28px);
  animation:drift 22s linear infinite;
}
@keyframes drift{
  to{transform:translate3d(-56px,28px,0)}
}
p{margin:0}
img{max-width:100%}
hr{
  border:0;
  height:2px;
  margin:14px 0 18px;
  background:linear-gradient(90deg,var(--p2),var(--p),transparent);
}
a{color:#dcc6ff}
:focus-visible{outline:2px solid var(--p2);outline-offset:3px}

/* 顶部角落图标 */
.brand{
  position:fixed;
  top:14px;
  left:14px;
  z-index:60;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:48px;
  min-height:48px;
  padding:9px;
  border-radius:16px;
  border:1px solid var(--line);
  background:rgba(17,11,26,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  color:var(--fg);
  font-family:var(--disp);
  font-size:.95rem;
  letter-spacing:.02em;
  text-decoration:none;
}
.brand:hover{background:var(--p)}
.brand-img{width:28px;height:28px;display:block;object-fit:contain;border-radius:9px}

/* 底部固定条 */
.dock{
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:70;
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:10px 12px calc(10px + env(safe-area-inset-bottom));
  border-top:1px solid var(--line);
  background:rgba(14,9,22,.9);
  backdrop-filter:blur(18px) saturate(1.5);
  -webkit-backdrop-filter:blur(18px) saturate(1.5);
}
.dock-row{
  display:flex;
  gap:6px;
  margin:0;
  padding:2px;
  overflow-x:auto;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.dock-row::-webkit-scrollbar{display:none}
.dock-row a{
  display:inline-flex;
  align-items:center;
  gap:6px;
  flex:none;
  min-height:44px;
  padding:0 13px;
  border-radius:14px;
  color:var(--mut);
  font-size:.9rem;
  font-weight:600;
  text-decoration:none;
  white-space:nowrap;
  transition:background .24s ease,color .24s ease;
}
.dock-row a[hidden]{display:none}
.dock-row svg{width:11px;height:11px;flex:none;fill:currentColor}
.dock-row a:hover{background:rgba(191,0,255,.24);color:#fff}
.dock-row a[aria-current]{
  color:#fff;
  background:linear-gradient(90deg,var(--p),var(--p2));
}
.dock-search{display:flex;gap:6px;margin:0}
.dock-in{
  flex:1;
  min-width:0;
  min-height:44px;
  padding:0 13px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.07);
  color:var(--fg);
  font:inherit;
  font-size:.92rem;
}
.dock-in::placeholder{color:#8d80a6}
.dock-btn{
  min-height:44px;
  min-width:56px;
  border:0;
  border-radius:14px;
  background:linear-gradient(90deg,var(--p),var(--p2));
  color:#fff;
  font:inherit;
  font-weight:700;
  cursor:pointer;
  transition:filter .2s ease;
}
.dock-btn:hover{filter:brightness(1.15)}

/* 主区 */
main{position:relative;z-index:1}
.hero{
  position:relative;
  min-height:70svh;
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  justify-content:flex-end;
  gap:22px;
  text-align:right;
  padding:112px var(--gut) 56px;
  overflow:hidden;
}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:grayscale(1) contrast(1.15) brightness(.82);
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  background:
    linear-gradient(202deg,rgba(101,20,255,.84) 0%,rgba(28,23,38,.88) 56%,rgba(13,9,20,.96) 100%);
}
.hero h1,.hero-cta{position:relative;z-index:2}
.hero h1{
  margin:0;
  max-width:17ch;
  font-family:var(--disp);
  font-size:clamp(2.3rem,8vw,5.4rem);
  line-height:1.03;
  letter-spacing:.005em;
  text-shadow:0 8px 42px rgba(13,9,20,.75);
}
.hero-cta{
  display:inline-flex;
  align-items:center;
  min-height:48px;
  padding:0 26px;
  border-radius:999px;
  background:linear-gradient(90deg,var(--p),var(--p2));
  color:#fff;
  font-weight:700;
  letter-spacing:.06em;
  text-decoration:none;
  box-shadow:0 12px 30px rgba(101,20,255,.45);
  transition:transform .22s ease,box-shadow .22s ease;
}
.hero-cta:hover{transform:translateY(-3px);box-shadow:0 16px 38px rgba(191,0,255,.55)}
.slash{
  position:relative;
  z-index:1;
  height:46px;
  background:linear-gradient(90deg,var(--p),var(--p2) 65%,#8f5bff);
  clip-path:polygon(0 0,100% 0,100% 32%,0 100%);
}

.wrap{max-width:1200px;margin:0 auto;padding:56px var(--gut)}
.panel{display:grid;gap:48px;grid-template-columns:minmax(0,1fr)}
.panel > *{min-width:0}

.body{display:flex;flex-direction:column;gap:48px}
.body > section{
  background:var(--glass);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r);
  padding:28px 22px;
  backdrop-filter:blur(12px) saturate(1.2);
  -webkit-backdrop-filter:blur(12px) saturate(1.2);
  box-shadow:0 24px 60px -40px rgba(101,20,255,.9);
  scroll-margin-top:24px;
}
.body > section:nth-child(even){
  background:rgba(101,20,255,.12);
  border-color:rgba(191,0,255,.3);
}
.body h2{
  margin:0 0 14px;
  font-family:var(--disp);
  font-size:clamp(1.5rem,4.4vw,2.15rem);
  line-height:1.16;
  letter-spacing:.012em;
}
.body > section h2 + hr{margin-top:-2px}
.body h3{
  margin:1.5em 0 .5em;
  font-size:1.14rem;
  line-height:1.4;
  color:#fff;
}
.body p{margin:0 0 1em}
.body p:last-child{margin-bottom:0}
.body ul,.body ol{margin:0 0 1em;padding-left:1.25em}
.body li{margin:.35em 0}
.body a{color:#ddc8ff;text-decoration-color:rgba(191,0,255,.6);text-underline-offset:3px}
.body a:hover{color:#fff;background:rgba(191,0,255,.22)}
.body img{border-radius:18px;height:auto;display:block;margin:1em 0}
.body blockquote{
  margin:1.2em 0;
  padding:14px 18px;
  border-left:4px solid var(--p2);
  border-radius:0 18px 18px 0;
  background:rgba(191,0,255,.12);
}

/* 侧栏 */
.side{
  padding:22px 18px;
  border-radius:var(--r);
  border:1px solid var(--line);
  background:rgba(255,255,255,.07);
  backdrop-filter:blur(16px) saturate(1.3);
  -webkit-backdrop-filter:blur(16px) saturate(1.3);
  scroll-margin-top:24px;
}
.side h2{
  margin:0;
  font-family:var(--disp);
  font-size:1.05rem;
  letter-spacing:.14em;
}
.side-list{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:2px;
}
.side-list li{display:flex;align-items:center;gap:2px}
.side-list b{
  flex:none;
  width:26px;
  font-family:var(--disp);
  font-size:.78rem;
  letter-spacing:.1em;
  color:var(--p2);
}
.side-list a{
  display:flex;
  align-items:center;
  flex:1;
  min-height:42px;
  padding:0 10px;
  border-radius:12px;
  color:var(--mut);
  font-size:.93rem;
  text-decoration:none;
  transition:background .22s ease,color .22s ease;
}
.side-list a:hover{background:rgba(101,20,255,.32);color:#fff}

/* 页脚 */
footer{
  position:relative;
  z-index:1;
  margin-top:64px;
  padding:48px var(--gut) 40px;
  display:grid;
  gap:26px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(101,20,255,.18),rgba(13,9,20,.94));
}
.f-brand p{
  font-family:var(--disp);
  font-size:clamp(2.5rem,12vw,8.4rem);
  line-height:.92;
  letter-spacing:-.01em;
  background:linear-gradient(94deg,#ffffff,#c9a6ff 55%,var(--p2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  word-break:break-word;
}
.f-meta{
  display:flex;
  flex-wrap:wrap;
  gap:14px 24px;
  align-items:center;
  justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:20px;
}
.f-copy{font-size:.9rem;color:var(--mut);letter-spacing:.04em}
.f-links{display:flex;flex-wrap:wrap;gap:4px}
.f-links a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:0 11px;
  border-radius:11px;
  color:var(--mut);
  font-size:.9rem;
  text-decoration:none;
  transition:background .22s ease,color .22s ease;
}
.f-links a:hover{background:rgba(191,0,255,.26);color:#fff}

/* 入场 */
[data-rv]{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .5s ease,transform .5s ease;
  transition-delay:calc(var(--d,0) * 60ms);
}
[data-rv].in{opacity:1;transform:none}

@media (min-width:760px){
  .body > section{padding:40px 38px}
  .hero{padding-top:130px}
  .f-meta{padding-top:24px}
}

@media (min-width:980px){
  .panel{grid-template-columns:minmax(0,1fr) 286px;align-items:start}
  .side{position:sticky;top:26px}
  .dock{
    flex-direction:row;
    align-items:center;
    justify-content:center;
    gap:16px;
    left:26px;
    right:26px;
    bottom:20px;
    max-width:1120px;
    margin:0 auto;
    padding:10px 16px;
    border:1px solid var(--line);
    border-radius:999px;
  }
  .dock-row{flex:none}
  .dock-search{flex:none;width:230px}
  body{padding-bottom:calc(112px + env(safe-area-inset-bottom))}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  body::before{animation:none}
  [data-rv]{opacity:1;transform:none;transition:none}
  .hero-cta,.dock-row a,.side-list a,.f-links a{transition:none}
}

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