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

:root{
  --ink:#0d0d0d;
  --ink2:#121016;
  --purple:#8000ff;
  --pink:#ff00ff;
  --fg:#ece7f4;
  --dim:#a294bb;
  --line:rgba(128,0,255,.34);
  --line2:rgba(255,0,255,.22);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --serif:"EB Garamond","Songti SC","SimSun",Georgia,serif;
  --sans:"Lato",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --pad:clamp(16px,4vw,44px);
  --stick:152px;
}

*,*::before,*::after{box-sizing:border-box}
html{background:var(--ink);scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  overflow-x:clip;
  background:
    radial-gradient(900px 520px at 92% -8%,rgba(255,0,255,.14),transparent 62%),
    radial-gradient(760px 480px at 4% 12%,rgba(128,0,255,.18),transparent 60%),
    var(--ink);
  color:var(--fg);
  font-family:var(--sans);
  font-size:17px;
  font-weight:300;
  line-height:1.75;
  letter-spacing:.01em;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:70;
  pointer-events:none;
  background:repeating-linear-gradient(to bottom,rgba(255,255,255,.03) 0 1px,transparent 1px 3px);
  mix-blend-mode:screen;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--pink);text-decoration:none;border-bottom:1px dotted rgba(255,0,255,.45)}
a:hover,a:focus-visible{color:#fff;border-bottom-color:#fff}
:focus-visible{outline:2px solid var(--pink);outline-offset:2px}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.2;letter-spacing:.01em}
p{margin:0 0 1.05em}

.gridwash{
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(128,0,255,.09) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(128,0,255,.07) 1px,transparent 1px);
  background-size:80px 80px;
  mask-image:radial-gradient(90% 70% at 50% 0%,#000 20%,transparent 85%);
}

/* ---------- 顶部：细条 / 品牌行 / 菜单行 ---------- */
.top{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(13,13,13,.93);
  backdrop-filter:blur(9px);
  border-bottom:1px solid var(--line);
}
.ticker{
  margin:0;
  padding:7px var(--pad);
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.42em;
  text-transform:uppercase;
  text-align:center;
  color:#160016;
  background:linear-gradient(90deg,var(--purple),var(--pink) 55%,var(--purple));
  text-shadow:0 1px 0 rgba(255,255,255,.25);
}
.brandrow{padding:10px var(--pad) 6px}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  border-bottom:0;
  color:var(--fg);
  font-family:var(--serif);
  font-size:clamp(1.25rem,3.6vw,1.6rem);
  font-weight:600;
  letter-spacing:.04em;
  min-height:40px;
}
.brand .mark{
  display:inline-grid;
  place-items:center;
  width:34px;
  height:34px;
  color:var(--pink);
  border:1px solid var(--line2);
  box-shadow:0 0 14px rgba(255,0,255,.45) inset,0 0 10px rgba(128,0,255,.35);
  font-size:16px;
}
.brand:hover .brandname,.brand:focus-visible .brandname{
  text-shadow:0 0 12px var(--pink),0 0 26px rgba(255,0,255,.6);
}
.menu{border-top:1px solid var(--line2)}
.menu ol{
  display:flex;
  flex-wrap:wrap;
  margin:0;
  padding:0 var(--pad) 6px;
  list-style:none;
  counter-reset:m;
}
.menu li{margin:0}
.menu a{
  display:flex;
  align-items:center;
  min-height:42px;
  padding:6px 13px;
  border-bottom:0;
  color:var(--dim);
  font-family:var(--mono);
  font-size:14px;
  letter-spacing:.08em;
  transition:color .18s,background .18s,transform .18s;
}
.menu a::before{
  content:counter(m,decimal-leading-zero);
  counter-increment:m;
  margin-right:7px;
  color:rgba(255,0,255,.55);
  font-size:11px;
}
.menu a:hover,.menu a:focus-visible{
  color:#fff;
  background:linear-gradient(180deg,rgba(128,0,255,.28),rgba(255,0,255,.16));
  transform:translateY(-1px);
  text-shadow:0 0 10px var(--pink);
}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;
  min-height:100vh;
  min-height:100svh;
  display:flex;
  align-items:flex-start;
  padding:calc(var(--stick) + 40px) var(--pad) 110px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:92px;
  background:linear-gradient(100deg,rgba(128,0,255,.55),rgba(255,0,255,.25) 60%,transparent);
  clip-path:polygon(0 100%,100% 8%,100% 100%);
  pointer-events:none;
}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media .shot{
  position:absolute;
  width:38%;
  max-width:400px;
  height:auto;
  object-fit:cover;
  border:1px solid rgba(255,0,255,.5);
  box-shadow:0 0 0 6px rgba(13,13,13,.55),0 0 40px rgba(128,0,255,.4);
  filter:saturate(1.15) contrast(1.05);
}
.hero-media .a{top:26%;left:2%;transform:rotate(-2.6deg)}
.hero-media .b{bottom:9%;left:21%;width:25%;transform:rotate(2.2deg);opacity:.9}
.hero-copy{
  position:relative;
  z-index:1;
  margin-left:auto;
  max-width:660px;
  text-align:right;
}
.hero-copy h1{
  margin:0 0 18px;
  font-size:clamp(2.1rem,7vw,4.4rem);
  color:#fff;
  text-shadow:0 0 18px rgba(255,0,255,.7),0 0 46px rgba(128,0,255,.6);
  animation:flicker 5.5s steps(1,end) infinite;
}
.hero-desc{
  margin:0 auto 22px;
  max-width:52ch;
  color:var(--dim);
  font-size:clamp(1rem,2.1vw,1.1rem);
}
.hero-more{
  margin:0;
  font-family:var(--mono);
  font-size:18px;
  letter-spacing:.4em;
  color:var(--pink);
  animation:drop 2.2s ease-in-out infinite;
}
@keyframes flicker{
  0%,96%,100%{opacity:1;transform:none}
  97%{opacity:.86;transform:skewX(-1.4deg)}
  98%{opacity:1;transform:skewX(1.2deg)}
}
@keyframes drop{
  0%,100%{transform:translateY(0);opacity:.55}
  50%{transform:translateY(7px);opacity:1}
}

/* ---------- 主栅格 ---------- */
.shell{
  display:grid;
  grid-template-columns:255px minmax(0,1fr);
  gap:clamp(20px,4vw,56px);
  max-width:1240px;
  margin:0 auto;
  padding:clamp(34px,6vw,72px) var(--pad) clamp(48px,7vw,90px);
  align-items:start;
}
.rail{
  position:sticky;
  top:calc(var(--stick) + 18px);
  display:grid;
  gap:18px;
}
.rail-block{
  padding:14px 16px 16px;
  background:linear-gradient(180deg,rgba(128,0,255,.12),rgba(13,13,13,.6));
  border:1px solid var(--line);
  box-shadow:0 0 26px rgba(128,0,255,.16) inset;
}
.rail-h{
  margin:0 0 10px;
  font-family:var(--mono);
  font-size:12px;
  font-weight:400;
  letter-spacing:.28em;
  color:var(--dim);
  text-transform:uppercase;
}
.rail-h span{
  display:inline-block;
  padding-bottom:4px;
  border-bottom:1px solid var(--line2);
}
.rail-list{
  margin:0;
  padding:0;
  list-style:none;
  counter-reset:r;
}
.rail-list a{
  display:flex;
  align-items:center;
  gap:8px;
  min-height:40px;
  padding:5px 0;
  border-bottom:0;
  color:var(--dim);
  font-size:15px;
  transition:color .16s,padding-left .16s;
}
.rail-list a::before{
  content:counter(r,decimal-leading-zero);
  counter-increment:r;
  font-family:var(--mono);
  font-size:11px;
  color:rgba(255,0,255,.6);
}
.rail-list a:hover,.rail-list a:focus-visible{
  color:#fff;
  padding-left:5px;
  text-shadow:0 0 10px var(--pink);
}
.rail-top{
  display:flex;
  align-items:center;
  min-height:40px;
  padding:4px 0;
  border-bottom:0;
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:.1em;
  color:var(--pink);
}

/* ---------- 正文 ---------- */
.doc{min-width:0;max-width:74ch}
.doc-head{margin-bottom:28px}
.doc-head h1{
  margin:0 0 12px;
  font-size:clamp(1.85rem,4.6vw,2.9rem);
  color:#fff;
  text-shadow:0 0 16px rgba(255,0,255,.55);
}
.doc-desc{color:var(--dim);margin:0}
.doc > div{
  scroll-margin-top:calc(var(--stick) + 24px);
  padding-top:26px;
  margin-top:38px;
  border-top:1px dashed var(--line);
}
.doc > div:first-of-type{border-top:0;padding-top:0;margin-top:0}
.doc h2{
  margin:0 0 16px;
  font-size:clamp(1.4rem,3.4vw,2rem);
  color:#fff;
}
.doc h2 span{
  position:relative;
  text-shadow:0 0 14px rgba(128,0,255,.65);
}
.doc h2 span::before{
  content:"";
  display:inline-block;
  width:9px;
  height:9px;
  margin-right:12px;
  vertical-align:middle;
  background:var(--pink);
  transform:rotate(45deg);
  box-shadow:0 0 12px var(--pink);
}
.doc h3{
  margin:26px 0 12px;
  font-size:clamp(1.15rem,2.6vw,1.45rem);
  color:#f2ecfb;
}
.doc h3 span{color:#fff}
.doc p,.doc li{font-size:1.0625rem;line-height:1.8}
.doc ul,.doc ol{padding-left:1.3em;margin:0 0 1.1em}
.doc li{margin-bottom:.45em}
.doc li::marker{color:var(--pink)}
.doc blockquote{
  margin:1.2em 0;
  padding:12px 18px;
  border-left:3px solid var(--pink);
  background:rgba(128,0,255,.1);
  color:#f4eefb;
}
.doc blockquote p:last-child{margin-bottom:0}
.doc strong{color:#fff;font-weight:700}
.doc time{
  display:inline-block;
  padding:2px 9px;
  border:1px solid var(--line2);
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.12em;
  color:var(--pink);
}
.doc img{
  border:1px solid var(--line);
  box-shadow:0 0 0 5px rgba(13,13,13,.55),0 0 26px rgba(128,0,255,.3);
  margin:1.2em 0;
}
.doc table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:1rem}
.doc th,.doc td{border:1px solid var(--line);padding:9px 11px;text-align:left}
.doc th{background:rgba(128,0,255,.16);color:#fff}

/* ---------- 页脚 ---------- */
.foot{
  margin-top:20px;
  padding:clamp(30px,5vw,56px) var(--pad) 20px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(128,0,255,.1),transparent 40%),var(--ink2);
}
.foot-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:clamp(16px,3vw,34px);
  max-width:1180px;
  margin:0 auto 30px;
}
.fcol{margin:0}
.fcol dt{
  margin-bottom:12px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.28em;
  color:rgba(255,0,255,.75);
  text-transform:uppercase;
}
.fcol dd{margin:0;color:var(--dim);font-size:15px}
.fcol dd a{
  display:flex;
  align-items:center;
  min-height:40px;
  border-bottom:0;
  color:var(--dim);
  transition:color .16s,transform .16s;
}
.fcol dd a:hover,.fcol dd a:focus-visible{color:#fff;transform:translateX(3px)}
.foot-h{
  margin:0 0 12px;
  font-family:var(--mono);
  font-size:12px;
  font-weight:400;
  letter-spacing:.28em;
  color:rgba(255,0,255,.75);
  text-transform:uppercase;
}
.subform{display:grid;gap:8px}
.subform input{
  min-height:44px;
  padding:8px 12px;
  background:rgba(13,13,13,.85);
  border:1px solid var(--line);
  border-radius:0;
  color:var(--fg);
  font-family:var(--mono);
  font-size:15px;
}
.subform input::placeholder{color:#7a6d90}
.subform button{
  min-height:44px;
  padding:8px 12px;
  border:1px solid var(--pink);
  border-radius:0;
  background:linear-gradient(90deg,rgba(128,0,255,.85),rgba(255,0,255,.65));
  color:#fff;
  font-family:var(--mono);
  font-size:14px;
  letter-spacing:.22em;
  cursor:pointer;
  transition:box-shadow .18s,transform .18s;
}
.subform button:hover{box-shadow:0 0 20px rgba(255,0,255,.65);transform:translateY(-1px)}
.foot-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 18px;
  max-width:1180px;
  margin:0 auto;
  padding-top:16px;
  border-top:1px solid rgba(128,0,255,.2);
}
.copy{margin:0;font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:#8375a0}
.foot-links{display:flex;gap:16px;margin:0;padding:0;list-style:none}
.foot-links a{
  display:flex;
  align-items:center;
  min-height:40px;
  border-bottom:0;
  font-family:var(--mono);
  font-size:13px;
  color:var(--dim);
}
.foot-links a:hover{color:var(--pink)}

/* ---------- 滚动揭示 ---------- */
.has-motion .doc > div,
.has-motion .rail-block,
.has-motion .foot-grid > *{
  opacity:0;
  transform:translateY(16px) skewX(-1.1deg);
  transition:opacity .5s ease,transform .5s ease;
}
.has-motion .in{opacity:1;transform:none}

/* ---------- 断点 ---------- */
@media (max-width:900px){
  :root{--stick:212px}
  .shell{grid-template-columns:minmax(0,1fr)}
  .rail{position:static;grid-template-columns:1fr 1fr;order:-1}
  .doc{max-width:none}
  .foot-grid{grid-template-columns:1fr 1fr}
  .hero-media .shot{width:44%}
  .hero-media .a{top:auto;bottom:16%;left:0}
  .hero-media .b{bottom:9%;left:40%;width:32%}
}
@media (max-width:620px){
  :root{--stick:236px}
  body{font-size:16px}
  .ticker{letter-spacing:.3em;font-size:11px}
  .hero{padding-top:calc(var(--stick) + 26px);padding-bottom:96px}
  .hero-copy{max-width:none}
  .hero-copy h1{font-size:clamp(1.95rem,9vw,2.6rem)}
  .rail{grid-template-columns:1fr}
  .doc > div{padding-top:20px;margin-top:28px}
  .foot-grid{grid-template-columns:1fr}
  .foot-bar{flex-direction:column;align-items:flex-start}
  .menu a{font-size:13px;padding:6px 10px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .hero-copy h1,.hero-more{animation:none}
  .has-motion .doc > div,
  .has-motion .rail-block,
  .has-motion .foot-grid > *{opacity:1;transform:none;transition:none}
}

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